Using method of GIS product inspection instrument

The invention discloses a use method of a GIS product inspection instrument, and the method comprises the following steps: placing a GI product in a fixed seat at the right side, driving the fixed seat to move through a sliding rail disposed on a fixed frame, enabling the fixed seat to be close to the right side of a detector, placing another GI product in a fixed seat at the left side, and enabling the other GI product to be close to the right side of the detector; the sliding rail arranged on the fixing frame drives the fixing base to move so that the fixing base can be close to the left side of the detector, and after the detector is connected with two GI products, the electrical performance experiment of the GI products is completed through partial discharge of the detector. Through the driving slide rail and the driven slide rail, the fixed seats on the two sides of the detector can maintain the position of a unified center line in the process of moving close to the detector, so that ...

MULTI-LOAD-MODE FROST HEAVE TESTER FOR UNSATURATED SOIL AND METHOD FOR_TESTING AMOUNT OF FROST HEAVE

Ab str act The present invention discloses a multi-load-mode frost heave tester for unsaturated soil and a method for testing the amount of frost heave. The frost heave tester includes a sample storage system, a load control system, a humidity control system, a temperature control system and a thermotank, where the sample storage system includes a sample cylinder and a temperature-controlled plate, a gas inlet being formed at the bottom end of the sample cylinder, a liquid inlet and a liquid outlet being formed at the top of the cavity, the temperature-controlled plate being arranged in the top end of the sample cylinder, and the sample cylinder being placed in the thermotank; the load control system includes a counter-force frame and a load control mechanism, the load control mechanism being arranged in the counter-force frame and connected to the temperature-controlled plate, and the counter-force frame erecting in the thermotank. Date Recue/Date Received 2020-08-14 ...

Point cloud entropy coding method and device, point cloud entropy decoding method and device, equipment and readable storage medium

The invention discloses a point cloud entropy coding method and device, a point cloud entropy decoding method and device, equipment and a readable storage medium, relates to the technical field of point cloud coding and decoding, and aims to improve the point cloud compression performance. The method comprises the following steps: acquiring a transformation coefficient of a to-be-coded point cloud frame; determining a target coding mode according to the transformation coefficient; performing entropy coding on the to-be-coded point cloud frame by using the target coding mode; wherein the transformation coefficient comprises a direct current (DC) coefficient and an alternating current (AC) coefficient; at least part of the DC coefficients and/or the AC coefficients are independently arranged according to color channels. According to the embodiment of the invention, the point cloud compression performance can be improved.

Method for replacing steel wire rope of crown block winding drum

The invention discloses a method for replacing a steel wire rope of a crown block winding drum, which comprises the following steps of: a, preparing auxiliary tools which comprise a workbench, a traction cone, a steel wire corrugated hose and an iron wire; b, releasing one end of the old steel wire rope; c, connecting and fastening the ends of the old steel wire rope and the new steel wire rope by using an auxiliary tool; d, hoisting and fixing one end of the new steel wire rope; e, the other end of the new steel wire rope is hoisted and fixed; f, unloading the old steel wire rope; j, a new steel wire rope is wound around the winding drum; the ends of the new and old steel wire ropes are connected and fastened together through the steel wire corrugated hose and the iron wire by means of the workbench and the traction cone, and the new and old steel wire ropes of the winding drum are replaced in the mode that the old steel wire ropes drive the new steel wire ropes; the method is fast and ...

Terminal data processing method and device

The invention belongs to the field of data processing, and particularly relates to a terminal data processing method and device.According to the terminal data processing method and device, test software is added and has the automatic processing capacity on received data by being connected with a terminal, automatic framing reading, automatic message analysis and data table generation can be achieved, and the test result is clear at a glance; the problems that in the prior art, manual data analysis is needed, consumed time is too long, problems are not easy to find, and testing efficiency and quality cannot be guaranteed are solved.

Ultralow-temperature bearing lubricating grease composition and preparation method thereof

The invention relates to an ultralow-temperature bearing lubricating grease composition and a preparation method thereof. The ultralow-temperature bearing lubricating grease composition comprises 10-20% of a thickener namely lithium 12-hydroxystearate-lithium stearate complex soap, 75-85% of base oil, 0.5-4.0% of an additive (a) namely arylamine and/or phenol antioxidant, 0.5-1.5% of an additive (b) namely a sulfonate rust inhibitor and 0.5-2% of an additive (c) namely a phosphorus antiwear additive. The ultralow-temperature bearing lubricating grease composition comprises the following steps: adding stearic acid into the thickener to react, and adding 12-hydroxystearic acid to react; and adding 1/2-2/3 of base oil into a reaction kettle, heating to 185-205 DEG C while stirring, adding the rest of base oil, cooling, adding the antioxidant, continuously stirring, naturally cooling to 70-80 DEG C, adding the rust inhibitor and antiwear additive, stirring uniformly, carrying out after-treatment ...

Fourier single-pixel imaging reconstruction method based on coordination of time domain and frequency domain

The invention discloses a Fourier single-pixel imaging reconstruction method based on coordination of a time domain and a frequency domain, and the method comprises a collection process and a reconstruction process, the collection process comprises the steps: carrying out the coding of a detected target through a Fourier substrate pattern in a set sampling mode, obtaining a light intensity value through a single-pixel detector, and carrying out the reconstruction of the light intensity value; and obtaining a Fourier coefficient corresponding to the spatial frequency according to the light intensity value so as to obtain an under-sampling Fourier spectrum of the target. After the target is acquired through the experimental device, a target image is reconstructed from the acquired under-sampling Fourier spectrum by adopting a reconstruction method based on coordination of a time domain and a frequency domain. According to the reconstruction method, the time domain information and the frequency ...

Multi-hole-site and multi-direction automatic screw machine

The invention provides a multi-hole-site multi-face automatic screw machine which comprises a machine table and a workpiece fixing structure, a locking mechanism and a screw supply mechanism which are arranged on the machine table, after a workpiece is fed to a jig, a third air cylinder drives a liftable rotating rod, so that a rotating block drives a pressing block to press the workpiece, a fourth air cylinder drives a telescopic frame, and the telescopic frame is driven by a third air cylinder to drive the screw supply mechanism to rotate. The attaching alignment device is arranged on the base, so that the attaching alignment device attaches the adsorbed part to the corresponding position of the workpiece, workpiece fixing and workpiece and part attaching are achieved, meanwhile, the overturning plate is driven to rotate through the first air cylinder and the second air cylinder, then the overturning plate is limited through the limiting structure, rotating overturning of the workpiece ...

Ticket printer possessing function for reading and writing electronic tickets

A ticket printer with real/write function of electronic bill sets radio frequency identification reader/writer formed by host board and induction antenna as well as antenna support in ticket printer. It is featured as connecting host board to control computer for realizing read/write control on data of electronic bill, connecting induction antenna to host board for carrying out data read/write on electronic bill, erecting antenna support on ticket printer fro using it to support induction antenna.

Two spiral guide rod type fishing vessels of excessive wobbling of claw prevent to lead

The utility model relates to a two spiral guide rod type fishing vessels of excessive wobbling of claw prevent to lead, including a main shaft, pair spiral guide rod, a slider and one lead the claw, wherein should lead the claw fixes on this slider, this slider is fixed on the main shaft, this couple spiral guide rod has seted up on the surface two kinds of thread guide slots of levogyration and dextrorotation, should lead the claw gos deep into in this guide slot, thereby this couple spiral guide rod rotates under power drive and promotes to lead claw along this guide slot removal, thereby it realizes straight reciprocating motion to drive this main shaft through this slider, wherein, this slider has a cylindrical mounting hole, should lead the claw includes a claw and a cylindrical waist, should lead this cylindrical waist of claw installs in this mounting hole, its claw extends to in this couple spiral guide rod's the guide slot from this slider bottom, this cylindrical mounting hole ...

Anaesthetic mask with high sealing performance

The invention relates to the technical field of medical instruments, in particular to a high-sealing anaesthetic mask which comprises a mounting table arranged on the front side of an operating table, a mask positioning assembly is arranged on the mounting table and comprises a mounting box, a first positioning structure, a second positioning structure and a third positioning structure, and the first positioning structure comprises a rotating plate; the second positioning structure comprises an electric push rod, the third positioning structure comprises a threaded rod with the right end rotationally connected with the right inner wall of the outer box, the threaded rod is sleeved with a mask adsorption structure, an inner groove is formed in the portion, close to the front end, in the operating bed, a fixing sleeve is arranged in the inner groove, an insertion hole is formed in the side wall of the fixing sleeve, and a mask fixing structure is arranged in the inner groove. When in use, ...

Fusible plug structure, mounting method thereof and air conditioner with fusible plug structure

The invention relates to the technical field of air conditioners, and discloses a fusible plug structure, a mounting method thereof and an air conditioner with the fusible plug structure. The fusible plug structure comprises a fusible plug body and a fusible plug seat, one end of the fusible plug seat is hermetically connected with the fusible plug body, and the other end of the fusible plug seat is hermetically connected with a copper pipe. By the aid of the structure, the fusible plug body is completely and effectively connected with the fusible plug seat, one copper pipe is added and can be directly welded on a part to be mounted in assembled, so that the fusible plug body is not easily damaged, normal detection tests of products cannot be affected, assembly efficiency is improved, the fusible plug seat, the fusible plug body and the copper pipe are hermetically connected, and sealing performance is ensured. The mounting method of the fusible plug structure includes the steps: firstly ...

Lubricating grease composition for water pump bearing of automobile and preparation method thereof

The invention provides a lubricating grease composition for a water pump bearing of an automobile and a preparation method thereof. The lubricating grease composition is prepared from the following components in percentage by weight: (1) 5-18% of a thickening agent which is compound lithium soap; (2) 75-90% of base oil; and (3) 2-7% of an additive which comprises (a) 1-2.5% of an amine antioxidant; (b) 1-3% of an organic sulfide and/or organic phosphide antiwear agent; and (c) 0.5-2% of a triazole and/or tetrahydroglyoxaline antirust agent. The lubricating grease produced by the composition has a relatively high dropping point and good mechanical stability, thereby facilitating use of the lubricating grease under a high-temperature environment while ensuring non-drainage so as to play a good sealing effect. The composition has good wear-resisting and carrying capacities. Through an experiment on a four-ball method wear tester, the maximum non-seizure load PB and the sintering load PD are ...

Preparation method of nanometer zinc sulfide by taking ethylene waste lye as raw material

The invention refers to a preparation method of nanometer zinc sulfide by taking ethylene waste lye as raw material, relating to the technical field of sulfide. The preparation method comprises the following steps of: obtaining a material A containing Na2S by the ethylene waste lye which is processed by oil removing and caustification pretreatment with a physical and chemical method; obtaining a material B from a suspension of ZnO solid powder formed by mixing ZnO solid powder and the distilled water, and dispersing by supersonic oscillations; obtaining nanometer zinc sulfide powder with the average grain size of 104 nm by washing and drying the solid phase products obtained by separating after the chemical reaction of the material B and the material A. In the method, the processed ethylene waste lye is taken as the low-price material which is directly reacted with zinc oxide pre-dispersed by ultrasonic wave to obtain the nanometer zinc sulfide and simultaneously is repeatedly used as the ...

Gating safety circuit for rail traffic vehicle

The invention provides a gating safety circuit for a rail transit vehicle, which can effectively solve the problems that the computing power resource of a processor of a gating device is occupied and the processor is unreliable after being disturbed in the prior art, and has higher reliability. The system is connected with a door controller, the door controller is connected with an execution mechanism, and the system comprises a first logic module, a second logic module and a third logic module which are connected in sequence; wherein the first logic module is configured to generate a first intermediate signal Y1 based on a gate permission signal and a zero speed signal input to the gate controller; the second logic module is configured to generate a second intermediate signal Y2 based on a locking in-place signal and a closing in-place signal input to the door controller and the first intermediate signal Y1; and the third logic module is configured to generate a high-level effective action ...

Catering positioning system and positioning method thereof based on RFID technique

The invention discloses a catering positioning system and a catering positioning method based on an RFID technique, wherein the catering positioning system comprises a system database, a number plate, a table-top card reader and a dining-table reader-writer; an RFID electronic label is encapsulated inside the number plate, and a unique code is arranged in the label; the table-top card reader is an RFID reader-writer and can identify data embedded in the RFID electronic label correctly and write new data into the RFID electronic label; and the dining-table reader-writer is an RFID reader-writer, is connected with the system database in real time and has a unique identification number in the system database. The system can save the meal time of a costumer, promote the satisfaction of customer and the total image of a restaurant, enable the restaurant to receive more customers within the same time, improve the service efficiency, the place-setting rate and the business turnover of the restaurant ...

Water planting controller

The utility model discloses a water planting controller, including the culture plate body, the culture plate body includes the culture dish, and a support, the lamp body, the inlet tube, pressure sensor, the solenoid valve, light intensity sensor, the outer wall of culture dish is provided with the control box, be provided with control assembly in the control box, wireless transmission module with control assembly electric connection, wireless transmission module and host computer communication connection, control assembly respectively with pressure sensor, light intensity sensor, solenoid valve electric connection, be provided with in the control box and extend to the outer heat absorption box of control box, be provided with endothermic water in the heat absorption box, the top of heat absorption box is provided with the relief valve, the relief valve includes the bleed pipe with heat absorption box inner chamber intercommunication, the top activity of bleed pipe is provided with the ...

Mine mining roadway continuous supporting device

The invention discloses a continuous supporting device for a mine mining roadway, and relates to the technical field of mine mining roadway supporting. The device specifically comprises a crawler-type moving trolley walking in a mining roadway, the top of the crawler-type moving trolley is sequentially and fixedly connected with a supporting rack and a mesh belt supporting frame, a mesh belt coil is rotationally installed at the top of the mesh belt supporting frame, and a plurality of supporting oil cylinders are installed at the top of the supporting rack; a lifting rack is installed between the tops of the supporting oil cylinders, and a guide sliding plate is installed on the top of the lifting rack. According to continuous laying operation, the protective net belt is anchored through the net belt fixing anchor rods, the roadway support is connected through the net belt fixing anchor rods and the protective net belt, the supporting range is enlarged, the tensioning degree of the protective ...

Compound titanium-based bearing grease composition and preparation method thereof

The invention relates to a compound titanium-based bearing grease composition and a preparation method thereof. The bearing grease composition comprises the following components by weight percent: (1) 7% to 18% of thickening agent, 78% to 90% of base oil, 1.0% of water and 1.5% to 3.5% of additive, wherein the additive comprises (a) 0.5% to 1.5% of aromatic amine and/or phenolic antioxidant, (b) 0.5% to 1.0% of extreme pressure antiwear agent and (c) 0.5% to 1.0% of organic carboxylic acid salt and/or organic amine antirust agent. The preparation method comprises the following steps: firstly, adding one third of base oil into a reaction kettle and preheating to 60 DEG C, adding stearic acid and benzoic acid and heating to 80 DEG C to 130 DEG C, adding titanium isopropoxide and saponifying within 1 to 2 hours; adding 1.0% of water and then heating to the highest refining temperature of 210 DEG C; adding the rest of base oil, cooling, adding the antioxidant, naturally cooling to 85 DEG C, ...

Shape correcting device and forming method of curved arc vacuum chamber

The invention relates to the technical field of particle accelerators, and discloses a shape righting device and a forming method of an arc bending vacuum chamber. The shape righting device comprises a pressure applying inner die, a shaping outer die and an extrusion component, the shaping outer die is provided with a shaping face, and the pressure applying inner die is sleeved with the shaping outer die; a shape correcting gap for a machined part to pass through is formed between the shaping outer die and the pressure applying inner die; the extrusion component comprises a driving assembly used for extruding the pressure applying inner mold so that the pressure applying inner mold can deform and eject the machined part to be tightly pressed on the shaping face to generate deformation. When the pressure applying inner die is extruded, the whole pressure applying inner die is stressed and deformed, when the extrusion force of the extrusion component is gradually increased, the pressure applying ...

Manufacturing method of ultrathin-wall metal lining vacuum chamber

The invention relates to a manufacturing method of an ultra-thin-wall metal lining vacuum chamber. The manufacturing method comprises the following steps of part machining, wherein a vacuum chamber mold is placed on a stand to machine the ultra-thin-wall vacuum chamber of a half structure; the metal lining is manufactured through 3D printing, and the flange is machined through a numerical control machining center; surface purification: cleaning and drying the semi-structured ultrathin-wall vacuum chamber, the metal lining and the flange in an organic solvent cleaning and ultrasonic cleaning manner; assembling: putting a plurality of metal linings between the two semi-structured ultrathin-wall vacuum chambers, and clamping the two separated semi-structured ultrathin-wall vacuum chambers by adopting a plurality of clamps; welding: welding the two ultra-thin wall vacuum chambers which are clamped by the clamp and have the half structures; the two machined flanges are welded to the two ends ...

Water-draining and anti-seepage method for high-water-content dredged mud storage yard cofferdam space

The invention discloses a water-draining and anti-seepage method for high-water-content dredged mud storage yard cofferdam space. The method includes the following steps that (1), a side wall water-draining and anti-seepage composite body is manufactured, geotechnical cloth and a filter screen are connected to the two faces of a plastic seal film in a heated mode, a plurality of non-adhesion strips are arranged at intervals when the filter screen and the seal film are connected in the heated mode, the portion, with a certain length, of the filter screen is reserved in the non-adhesion strip area perpendicular to the length direction of the non-adhesion strips to form a tube bag, and a porous permeable plate is inserted in the tube bag to form the side wall water draining anti-seepage composite body; (2) the side wall water-draining and anti-seepage composite body obtained in the step (1) is laid along the side wall of a cofferdam, and rivets are arranged on the porous permeable plate to ...

Processing method of wire outlet clamp

The machining method comprises the specific steps that S1, feeding is conducted, specifically, a copper plate material is clamped by the clamping end of a machining tool; s2, a multi-axis moving unit of the machining machine tool drives a machining tool below the multi-axis moving unit to machine a plurality of holes in the front face of the copper plate material, and the copper plate is chamfered through the machining tool; s3, the copper plate material is turned over, and slotting marking is conducted on one end of the copper plate material; s4, the copper plate material is erected through the clamping end of the machining tool, and an R20 semicircular hole is formed through the machining tool; s5, tinning the surface; and S6, after the copper plate material is processed into a wire outlet clamp, assembling the wire outlet clamp with a wire outlet clamp cover through a screw. Compared with the prior art, the method has the advantages that the materials do not need to be taken down from ...

Two low limbs radiography pipes

The utility model provides a two low limbs radiography pipes, characterized by, include: the input tube, the input contrast medium, the connecting piece has three route at least, wherein, at least one route with the input tube is connected, and two at least routes are connected with the output tube respectively, the output tube, through low limbs are inputed with the contrast medium of input tube to the connecting piece, wherein, the one end of input tube and output tube all is connected to connecting piece, the other end all are connected with luer connector. Two low limbs radiography pipes has a plurality of output tubes, and the contrast medium can carry out the radiography to the many places of two low limbs simultaneously through a plurality of output tubes for contrast medium distribution in human is balanced, and the radiography is effectual and the radiography is rapid.

Impact-resistant modified polyvinyl chloride tube material and preparation process thereof

The invention discloses an impact-resistant modified polyvinyl chloride tube material, which is prepared from the following components in part by weight: 100 parts of polyvinyl chloride resin, 0.4 to 4.0 parts of stabilizing agent, 2 to 8 parts of toughening agent, 2 to 8 parts of rigid particles, 0.5 to 3.0 parts of processing aid, 1.1 to 2.5 parts of lubricant, 0.05 to 0.5 part of antioxidant, 0.03 to 3 parts of coloring agent and 0 to 5 parts of filling agent. A preparation process for the tube material comprises the following steps: mixing the components uniformly in a high-speed mixer, extruding the mixture to form the tube material by using a double-host single-screw extruder after the components are mixed uniformly in a cooling mixer, and modularizing, vacuuming and cooling-molding the tube material; and cutting and packing the tube material with fixed length. The impact-resistant modified polyvinyl chloride tube material uses a method of cooperative toughening of the toughening ...

Secondary steam-jet pump body for VD refining furnace vacuum system

The invention discloses a two-stage steam jet pump body for a VD refining furnace vacuum system, which comprises an expansion section and a contraction section, the expansion section and the contraction section are trumpet-shaped and wide-mouth-shaped, the expansion section and the contraction section are oppositely arranged, and a middle conduction section is detachably connected between the expansion section and the contraction section. A plurality of middle conducting sections are arranged between the expansion section and the contraction section and are communicated with the expansion section and the contraction section, and the plurality of middle conducting sections are connected with one another through connecting flanges; each connecting flange is provided with a positioning device, the connecting flanges are fixed through connecting bolts, the positioning devices are positioning pins or laser positioners, sealing materials are matched with the connecting flange combination faces ...

Gate drive circuit, display panel and display device

The embodiment of the invention provides a gate drive circuit, a display panel and a display device.The gate drive circuit comprises multiple rows of cascaded shifting register units, the first input end of the (N + 1) th row of shifting register units is connected to the output end of the Nth row of shifting register units, and the second input end of the (N + 1) th row of shifting register units is connected to the output end of the Nth row of shifting register units; the second input end of the (N + 1) th row of shift register units is connected to the output end of the (N + 2) th row of shift register units, and each shift register unit comprises a first input circuit connected to a first high-level signal end, a first control signal end and a first input end; the second input circuit is connected to a second high-level signal end, a second control signal end, the first node and a second input end; the first control circuit is connected to the first clock signal end, the first node ...

Using method of index plate

The invention discloses a use method of an index plate, the index plate is provided with N holes, and the use method specifically comprises the following steps: on the index plate with the number of holes being N, a hole counting fork is rotated to enable a first hole counting arm to correspond to the position of an index bolt, at the moment, n holes are exposed on the index plate between the first hole counting arm and a second hole counting arm, N is greater than n, and n is greater than n; after the indexing bolt is rotated by M revolutions, the second hole counting arm is rotated, so that the second hole counting arm corresponds to the position of the indexing bolt, and the hole counting fork is rotated, so that the position of the first hole counting arm corresponds to the position of the indexing bolt; according to the index plate assembly installed on the rotary table, when the index plate rotates, the rotary table body is driven to rotate through the worm gear pair, so that the ...

Underwater ghost imaging system based on Bessel beam

The invention discloses an underwater ghost imaging system based on Bessel beams. The underwater ghost imaging system comprises an adjustable light source, a collimation optical lens group, an axicon, a first convergent lens, a light modulation device, a second convergent lens, a light intensity detector and a computer. According to the invention, the axicon is utilized to convert the initially incident Gaussian beam into the zero-order Bessel beam with non-diffraction and self-recovery characteristics, the zero-order Bessel beam is applied to the underwater ghost imaging technology, and the influence of diffraction effect and medium scattering can be reduced. Compared with an underwater ghost imaging method adopting Gaussian beams at present, the underwater ghost imaging method has the advantages that the structure is simple, flexible adjustment can be achieved, meanwhile, the underwater ghost imaging method can be combined with various existing optimization algorithms, the signal-to-noise ...

Connection type porous rubber slipmat

The utility model discloses a connection type porous rubber slipmat, including the slipmat body, slipmat body surface sets up octagon arch and auxiliary drainage hole, set up main wash port in the octagon arch, the adjacent both sides in slipmat body surface set up the connecting strip, and it corresponds adjacent both sides back and sets up mounting groove, it is protruding that the connecting strip surface sets up cylindrical installation, cylindrical installation is protruding corresponding with mounting groove. The utility model provides a connection type porous rubber slipmat adopts simple and convenient effectual mosaic structure, is the extension of the porous pad of ordinary small size, and the border adopts connection structure, carries out the head and the tail concatenation to keep the continuity, conical arch and protruding platform are adopted to the bottom, have certain clearance between wash port and the ground, are convenient for leak, and be hydrophobic, novel structure ...

Television starting method and associated equipment

The invention provides a television starting method and associated equipment. By means of an MCU, a television is controlled to be started, the reliability of the television can be improved when the television is started, and therefore the starting performance of the television is improved. The method includes the steps that the MCU determines whether a first pulse signal is received, wherein the first pulse signal is used for indicating a CPU to be powered up; if it is determined that the first pulse signal is received, GPIO is drawn high so that the CPU can be powered up; a second pulse signal is generated, wherein the second pulse signal is used for indicating the television to be started; the second pulse signal is sent to the CPU, a starting program is operated after the CPU is powered up to start the television. The television starting method and the associated equipment are suitable for the technical field of electronic information.

Preparation method of nanometer zinc sulfide by taking ethylene waste lye as raw material

The invention refers to a preparation method of nanometer zinc sulfide by taking ethylene waste lye as raw material, relating to the technical field of sulfide. The preparation method comprises the following steps of: obtaining a material A containing Na2S by the ethylene waste lye which is processed by oil removing and caustification pretreatment with a physical and chemical method; obtaining a material B from a suspension of ZnO solid powder formed by mixing ZnO solid powder and the distilled water, and dispersing by supersonic oscillations; obtaining nanometer zinc sulfide powder with the average grain size of 104 nm by washing and drying the solid phase products obtained by separating after the chemical reaction of the material B and the material A. In the method, the processed ethylene waste lye is taken as the low-price material which is directly reacted with zinc oxide pre-dispersed by ultrasonic wave to obtain the nanometer zinc sulfide and simultaneously is repeatedly used asthe ...

Recycling treatment system for VOCs waste gas treatment

The invention discloses a recovery treatment system for VOCs waste gas treatment. The recovery treatment system comprises a methanol recovery tank area; the water washing tower is communicated with the methanol recovery tank area, and a variable frequency fan is arranged at the gas inlet end of the water washing tower and is used for introducing methanol waste gas into the water washing tower; the air cooler is communicated with the exhaust end of the water washing tower and is used for dehydrating the methanol steam; the activated carbon adsorption device is communicated with one end of the air cooler, and the activated carbon adsorption device can perform activated carbon adsorption on the dehydrated and separated methanol steam; and the discharge pipe is arranged at the exhaust end of the activated carbon adsorption device and is used for directly discharging the purified gas into the atmosphere.

Lubricating grease composition with stable consistency and preparation method thereof

The invention relates to the technical field of lubricating grease, in particular to a lubricating grease composition with stable consistency and a preparation method thereof. According to the lubricating grease composition, fatty acid strontium, polyurea and fatty acid calcium serve as thickening agents, and the lubricating grease composition comprises 6-11 wt% of fatty acid strontium, 3-6 wt% of polyurea and 1-5 wt% of fatty acid calcium. According to the lubricating grease composition disclosed by the invention, a specific amount of fatty acid metal salt and polyurea are used as thickening agents, so that the lubricating grease composition with excellent high-temperature consistency stability and excellent lubricating performance can be prepared.

Water quality detection circuit and water quality analyzer

The invention belongs to the technical field of analysis and detection, and particularly relates to a water quality detection circuit and a water quality analyzer. The water quality detection circuit is used for detecting chlorophyll in water and comprises a single chip microcomputer; the light source control circuit unit comprises a light source constant-current driving circuit module and a light source, and the light source constant-current driving circuit module is used for driving the light source; the light source feedback circuit unit is used for feeding back the intensity change of the light source to the singlechip; the single-chip microcomputer adjusts the driving voltage of the light source according to the feedback intensity change of the light source, so that the luminous intensity of the light source is in a target interval; and the fluorescence detection circuit unit is used for detecting fluorescence generated after the light source irradiates the to-be-detected sample and ...

Manufacturing method of titanium alloy thin-wall reinforcing rib extremely-high vacuum chamber

The invention discloses a manufacturing method of a titanium alloy thin-wall reinforcing rib extremely-high vacuum chamber. The manufacturing method comprises the following steps that titanium alloy powder is spread on the surface of a base material, SLM forming is carried out according to a 3D printing model, and a thin-wall vacuum cavity is formed in the surface of the base material; separating from the base material after annealing heat treatment; the titanium alloy thin-wall reinforcing rib extremely-high vacuum chamber is obtained according to the step 1) or the step 2): 1) flanges at two ends of a thin-wall vacuum chamber are processed; and (2) a flange is machined at one end of each thin-wall vacuum chamber, and then the multiple sections of thin-wall vacuum chambers are welded. The reinforcing ribs and the thin wall are integrally formed through printing, and the problems that multiple welding seams exist between traditional thin-wall reinforcing ribs and thin walls, extremely-high ...

Ticket printer possessing function for reading and writing electronic tickets

Working mode switching method, memory controller and memory storage device

The invention discloses a working mode switching method, a memory controller and a memory storage device. The working mode switching method includes that: receiving at least one access instruction from a host system and judging whether the access instruction conforms to a predefined format; if the at least one access instruction conforms to the predefined format, switching the working mode of the memory storage device to a second mode from a first mode. The access instruction comprises a first write instruction which comprises write character strings, and the write character strings indicate the memory storage device to carry out an operation corresponding to the write character strings. The working mode switching method switches the working mode of the memory storage device through judging the format of the access instruction, the working mode switching manner is simplified, and the working mode switching error rate is lowered.

Method for verifying compiler by graph isomorphism

The invention discloses a method for verifying a compiler by graph isomorphism. A device comprises a source program to be processed and the compiler, wherein the source program is transformed into a target program by the compiler. A decompiler is built in a selected environment, the target program is decompiled into a comparison program by the decompiler, semantic consistency between the comparison program and the source program is verified, and isomorphism judgment is performed after relevant node information of control flow graphs of the source program and the comparison program are respectively built on the basis, so that whether the compiler is secure or not is judged. Security of the compiler is verified by judging whether the control flow graphs of the comparison program and the source program are isomorphic or not. By the method, a decompiled code and a source code are directly semantically compared, incomplete verification caused by information loss of the source code in the verifying ...

Electric precipitation pipeline plugging device

The utility model discloses an electric dust removal pipeline plugging device which comprises an inlet pipeline used for being communicated with an inlet of a dust remover and a plugging device used for plugging the inlet pipeline, the inlet pipeline is provided with a cut-off opening, the inlet pipeline located on the left side of the cut-off opening is provided with a first flange, and the inlet pipeline located on the right side of the cut-off opening is provided with a second flange. The first flange and the second flange are detachably connected, and when the first flange and the second flange are separated, the plugging device can be inserted into the cut-off opening. When the dust remover needs to be overhauled, the first flange and the second flange can be detached, and then the plugging device is inserted into the cut-off opening to ensure that the plugging device effectively plugs the inlet pipeline, so that the connectivity between the flue and the interior of the dust remover ...

Automatic collecting and intelligent marking equipment for hatching eggs

The invention discloses hatching egg automatic collecting and intelligent marking equipment which comprises an egg laying box device, a breeding poultry recognition device, a hatching egg recognition control device, a hatching egg conveying device, a hatching egg marking device, a breeding poultry repelling device, a hatching egg collecting device and a monitoring computer. Information signals recognized in the breeding poultry recognition device, the hatching egg recognition control device and the hatching egg marking device can be recognized and transmitted through the monitoring computer. According to the invention, egg laying data of breeding poultry can be automatically recorded and monitored, and hatching eggs laid by breeding poultry individuals can be accurately collected and marked. The system is scientific in design, reasonable in layout and high in automation degree, provides advanced technology and equipment for breeding poultry individual breeding research, improves breeding ...

Vacuum chamber structure with ultrathin wall and metal lining

The invention relates to a vacuum chamber structure with an ultrathin wall and a metal lining. The vacuum chamber structure comprises a first buckle plate, a second buckle plate and a plurality of lining structures, the first buckle plate and the second buckle plate are buckled to form a cylinder structure with a built-in cavity; a plurality of limiting pressing strip assemblies are arranged on the inner wall of a barrel structure formed by the first buckle plate and the second buckle plate and arranged at intervals in the length direction of the barrel structure, and each limiting pressing strip assembly comprises a plurality of limiting pressing strip units. The multiple limiting pressing strip units are arranged in the circumferential direction of the inner wall of the barrel structure. The multiple lining structures are arranged in a cavity formed by the first buckle plate and the second buckle plate, and the multiple lining structures and the multiple sets of limiting pressing strip ...

Cellphone stand

The utility model belongs to the technical field of mobile phone fixing device, disclose cellphone stand, include: left branch brace (1), right branch brace (2), lower support arm (3), supporting seat(4), left linked arm (5), right linked arm (6), left sliding tray (7), right slide groove (8), time sliding tray (9), last guide way (11) and last round pin post (12) still include spring (10). The utility model discloses can automatic adaptation centre gripping the cell -phone of different geomeries.

Intelligent grounding box monitoring system

The invention discloses an intelligent grounding box monitoring system which comprises a grounding box connected with a cable, a partial discharge monitoring module is arranged in the grounding box, and a detection probe of the partial discharge monitoring module is connected with an external cable; the grounding box further comprises a protective layer circulation monitoring module, an external detection probe of the protective layer circulation monitoring module is also connected with an external cable, an optical fiber temperature monitoring module is further arranged in the grounding box, and the vibration detection module is used for monitoring the condition of the grounding box and giving an alarm after detecting vibration of the grounding box. According to the device, when a box door of a grounding box is opened, vibrates or inclines, a vibration detection module can detect vibration, so that a signal is transmitted to an upper computer module through a data transmission module, ...

Fishing vessel and ultra -thin major structure thereof

The utility model relates to a fishing vessel and ultra -thin major structure thereof, wherein the fishing vessel includes a main part, installs at a ray of wheel of this main part front end and install a drive mechanism who rotates and do concertina movement at inside this line wheel of drive of main part, and this drive mechanism includes a slider, a double helix guide arm and a guiding axle, its characterized in that, this main part rear end is provided with a back trim, and the outward appearance curved surface of this back trim is the envelope surface who is done with this slider of cladding, this double helix guide arm and this guiding axle. Because the outward appearance curved surface of trim is the envelope surface who is done with this slider of cladding, this double helix guide arm and this guiding axle thereafter, therefore the main part rear end is the main spare part of hugging closely transmission structure, unnecessary protruding portion on between almost having no time, ...

Waterproof construction and fishing vessel

The utility model relates to a water structure, including a first surface and a second surface, the contactless all is provided with a waterproof material layer to this first surface on this first surface and this second surface with this second surface is relative for between unable this first surface of infiltration of hydrone and this second surface. During a fishing vessel can be applied to to this waterproof construction, this fishing vessel included a main part and a ray of shell, and this line shell facies is rotatory to this main part, and in this line shell and this main part matched with position, this line shell surface all scribbles one deck waterproof material layer with this main part surface for the hydrone plays good waterproof effect inside can't getting into the main part through the contact gap of this line shell and this main part.

Diaphragm spring automatic quenching line double-station discharge mechanical device

The invention provides a diaphragm spring automatic quenching line double-station discharge mechanical device comprising a furnace delivery table, a traveling roller table and a pressure quenching machine, wherein the furnace delivery table is a conveying mechanism for conveying diaphragm spring workpieces; the right end of an air cylinder rod flange on the traveling roller table is in threaded connection with an air cylinder rod, and the left end of the air cylinder rod flange is connected with a traveling roller table dragging frame; an oil cylinder flange of a pressure quenching oil cylinder on the pressure quenching machine is tightly connected with an upper cross beam of the pressure quenching machine, and an oil cylinder rod is connected with a pressure quenching mold through a flange. Compared with the prior art, the diaphragm spring automatic quenching line double-station discharge mechanical device disclosed by the invention is ingenious in equipment structure, short in process ...

Online economic evaluation method for intelligent greenhouse

The invention discloses an online economic evaluation method for an intelligent greenhouse. The greenhouse environment and soil are detected in real time and an alarm signal is sent out when the environment becomes abnormal, so that the staff can obtain information of the greenhouse environment in real time and deal with the environmental issues. A wireless sensor network transmits data information to a big-data-based cloud server, so that the staff inquires environmental data information of all time nodes in the greenhouse conveniently; according to the real-time data information of the greenhouse and inherent information of the greenhouse, economic evaluation on greenhouse crop is carried out; and a crop life cycle is adjusted based on an economic evaluation result to realize economic value maximization of the greenhouse crop.

Bar extrusion method

The invention discloses a bar extrusion method. The bar extrusion method comprises the specific steps that S1, manual adjustment is conducted; s11, turning on a power switch of the extruder; s12, the main cylinder and the punch are made to move to the upper limiting position; s13, the product to be treated and the punch are smeared with lubricating oil; s14, a to-be-treated product is placed in a cavity, and then a main cylinder descending button is clicked; s15, when the punch makes contact with the to-be-treated product, the position where extrusion starts is the slow limiting position, and the position where the punch extrudes the to-be-treated product to be completely formed is the lower limiting position; s16, the extruded product is taken out; and S2, the machine is switched into an automatic operation mode, and automatic extrusion forming of the product is achieved. According to the method, the extruder is adjusted in a one-time manual mode, the shape and specification of the to-be-treated ...

Improvement-based KNN (K Nearest Neighbor) text classification method

The invention provides an improvement-based KNN (K Nearest Neighbor) text classification method. The method comprises the following steps: preprocessing a training text, computing the feature vector of each training sample, and constructing a feature vector spatial model of a training set; defining a density and a distance, defining a density and a distance, defining a whole sample space into a plurality of spherical regions and outliers according to types, and storing as a training set library; during testing, judging whether a text to be tested falls into a certain spherical region, judging the type of the text to be tested according to a corresponding mark number, otherwise, using the outliers and the center point of each sphere as a training set library, calling a KNN algorithm, and judging the type of the text to be tested. By adopting the method provided by the invention, the classification speed, classification accuracy and data skew sensitivity are considered. The method can be ...

TiZrV-Al magnetron sputtering target material and preparation method thereof

The invention discloses a TiZrV-Al magnetron sputtering target material and a preparation method of the TiZrV-Al magnetron sputtering target material. The TiZrV-Al magnetron sputtering target material comprises a lining pipe and one or more sections of TiZrV-Al target material bodies arranged outside the lining pipe. The preparation method of the TiZrV-Al magnetron sputtering target material comprises the following steps: filling TiZrV-Al powder into an annular cavity between a graphite mold and a pure titanium lining pipe in a mold; the graphite mold and the two ends of the pure titanium lining pipe are matched with graphite plates; the mold is degassed and then placed in an inert atmosphere to be fired, and a target material blank is obtained; the pure titanium lining pipe is taken out of the mold, the inner wall of the blank is turned, and a TiZrV-Al target material is obtained; and arranging one or more sections of TiZrV-Al target materials on the lining tube to obtain the TiZrV-Al ...

Impact-resistant modified polyvinyl chloride tube material and preparation process thereof

The invention discloses an impact-resistant modified polyvinyl chloride tube material, which is prepared from the following components in part by weight: 100 parts of polyvinyl chloride resin, 0.4 to 4.0 parts of stabilizing agent, 2 to 8 parts of toughening agent, 2 to 8 parts of rigid particles, 0.5 to 3.0 parts of processing aid, 1.1 to 2.5 parts of lubricant, 0.05 to 0.5 part of antioxidant, 0.03 to 3 parts of coloring agent and 0 to 5 parts of filling agent. A preparation process for the tube material comprises the following steps: mixing the components uniformly in a high-speed mixer, extruding the mixture to form the tube material by using a double-host single-screw extruder after the components are mixed uniformly in a cooling mixer, and modularizing, vacuuming and cooling-moldingthe tube material; and cutting and packing the tube material with fixed length. The impact-resistant modified polyvinyl chloride tube material uses a method of cooperative toughening of the toughening agent ...

Hydraulic leveling internal climbing type sliding and lifting formwork device for deep shaft

A hydraulic leveling internal climbing type sliding and lifting formwork device for a deep shaft relates to the technical field of internal climbing type sliding and lifting formworks and structurally comprises a truss, a lifting frame, a formwork, a hydraulic jack and a supporting rod, the formwork is arranged on the periphery of the outer side of the truss, the lifting frame is fixedly arranged on the inner side of the periphery of the truss, the lifting frame comprises a supporting column and a supporting plate, and the supporting column is fixedly connected with the supporting plate. A supporting plate is arranged at the top of the supporting column, a hydraulic jack is arranged on the supporting plate, a supporting rod is arranged in a through hole of the hydraulic jack, the lower end of the supporting rod penetrates through the supporting plate, and the upper end of the supporting rod penetrates through the through hole of the hydraulic jack. The device has the beneficial effects ...

Hybrid port cluster connector structure

The invention discloses a mixed port cluster connector structure which comprises a flange outer shell, coaxial port assemblies arranged on the flange outer shell can be freely combined and are not limited in position, the number of the coaxial port assemblies can be two or more than two, and the flange outer shell is provided with a sealing shielding gasket. A boss matched with a system panel is arranged on the front face of the flange outer shell, at least one first center through hole and at least one second center through hole are formed in the positions, located on the boss, of the flange outer shell, and a plurality of micro ports are formed in the cluster and can achieve mixed section parameters of a single module. According to the multi-port multi-port module, the design requirements of a complex PCB system can be met, the models of the multiple micro ports are different, each micro port has independent use frequency, power and mechanical parameters, butt joint of the multiple ports ...

Aquatic organism monitoring system, method and device and storage medium

The embodiment of the invention provides an aquatic organism monitoring system and method, and the method comprises the steps: obtaining the sensing data of a to-be-monitored water body, the sensing data is collected based on aquatic organism monitoring units disposed at a plurality of preset points in the to-be-monitored water body, the sensing data at least comprises image data, and the image data comprises a water surface image and an underwater image; based on the sensing data, the estimated number of aquatic organisms is determined, and the aquatic organisms at least comprise plankton, self-swimming organisms and benthic organisms; determining a plurality of degradation degrees based on the estimated number of aquatic organisms, the plurality of degradation degrees including a first degradation degree and a second degradation degree, the first degradation degree including an aquatic organism diversity degradation degree, and the second degradation degree including an aquatic organism ...

Take line wheel of rosette and rosette fixed structure thereof

The utility model relates to a take line wheel of rosette and rosette fixed structure thereof, this line wheel of taking the rosette is including a ray of wheel lip, line wheel skirt section relative with this line wheel lip position and be located this line wheel lip and this line and take turns the concave part that is used for bearing the fishing line between the skirt section, wherein, this line wheel skirt section is provided with a rosette, this rosette encircles on the surface in this line wheel skirt section, and the edge that is close to this line wheel skirt section, this rosette is fixed through a fixed structure and is taken turns to at this line. The utility model provides a line wheel of taking the rosette has more beautiful outward appearance, can improve the pleasing to the eye image of whole of fishing vessel, and especially the problem that the rosette is difficult to to fix has been solved through a pair of barb structure well to its rosette fixed structure.

Lake ecology monitoring management method and system

The embodiment of the invention provides a lake ecology monitoring management method and system. The management method comprises the following steps: acquiring lake characteristics of a monitored lake and monitoring data of multiple dimensions; determining a plurality of risk values of the monitored lake based on the lake characteristics and the monitoring data of the plurality of dimensions; and generating early warning information based on the plurality of risk values, and sending a prompt to the user and executing the manual intervention scheme.

Round billet length control method and device, electronic equipment and storage medium

The invention is suitable for the technical field of round billet length control, and provides a round billet length control method and device, electronic equipment and a storage medium. The method comprises the steps that the type and continuous casting information of a round billet are obtained; determining an initial shrinkage coefficient according to the type of the round billet, and determining an influence factor according to the continuous casting information; determining the cutting length of the round billet according to the initial shrinkage coefficient and the influence factor; and according to the cutting length, a cutting machine is controlled to cut the peeled round billet, so that the length of the cooled round billet is within a preset length range. According to the method, the cutting length of the round billet (hot billet) can be accurately determined, so that after the round billet is cut based on the cutting length, the length of the cooled round billet (cold billet) ...

Index plate

The invention discloses an index plate which comprises a first index plate body, the first index plate body is provided with holes which equally divide the circumference into all integers from 2 to 66 and all numbers which can be exactly divided by 2, 3 and 5 from 67 to 132 by 360 degrees, the number of the holes of the first index plate body is 34, 37, 38, 39, 41, 43, 44, 50, 52, 56 and 61, the holes form a hole ring, and a through hole is formed in the middle of the first index plate body. Four threaded holes used for fixing are formed in the position, located on the outer side of the through hole, of the first index plate, the first index plate is fixedly connected with a hole counting fork through screws, the middle of the hole counting fork is in a ring shape, and two rotatable fork arms extending outwards are arranged on the edge of the ring shape. When the dividing plate is used, the needed dividing plate is installed through the screw, then the hole counting fork is installed, the ...

Compound double-wall corrugated pipe and preparation process thereof

The invention discloses a compound double-wall corrugated pipe, which is prepared from the following components in part by weight: 100 parts of mixture of polythene and polypropylene, 3-10 parts of coupling agent, 3-10 parts of rigid particle, 2-6 parts of master batch, 2-6 parts of blue batch and 3-9 parts of defoaming agent. The preparation process comprises the following steps of: evenly mixing the components in a high-speed mixer; after evenly mixing in a cold mixer, extruding tubes by using a double-host single screw extruder; modulizing, vacuumizing and cooling the tubes to form; and fixing the length and cutting and packaging the tubes. With the blending and the modification of polypropylene and polythene and the use of the rigid particles, the compound double-wall corrugated pipe well solves the problem of strong and unyielding balance, i.e. the tubes has higher toughness while having high annular rigidity. The tubes are made of completely non-toxic raw material and have good sanitary ...

Parallel test device and method of multiple network protocols

The invention discloses a parallel test device and method of multiple network protocols. The parallel test device comprises an online running part and an offline part. The online running part is composed of a client module, a server and a detector module which are sequentially connected, and the offline part is an offline configuration tool module. The client module provides a real-time interaction interface, and logs, messages and event of a historical unloading module which are located in the server are inquired through a network and displayed; the server is composed of a communication agent module and the historical unloading module, test points from a detector are converted into the data format required by the citect by the communication agent module to be used by the citect, and meanwhile, the logs, the messages and the events are submitted to the historical unloading module through a self-definition protocol; the detector module transmits original messages of a tested object or the ...

TiZrCo vacuum getter film and preparation method and application thereof

The invention discloses a TiZrCo vacuum getter film as well as a preparation method and application thereof. The invention provides a TiZrCo getter film which comprises the following components in percentage by atomic number (Atomic./%): 42% < = Ti < = 46%, 42% < = Zr < = 46%, and 8% < = Co < = 16%. The TiZrCo vacuum getter film provided by the invention has the advantages of high activation temperature, large saturated suction capacity, multiple activatable times, strong adhesive force, high pumping speed and the like, can be applied to an HIAF titanium alloy lining extremely-high vacuum chamber, and meets the requirements of an HIAF extremely-high vacuum system.

Display device control method and display device

The invention provides a control method of a display device, and relates to the field of display, in particular to the technical field of thin film transistor display. According to the specific implementation scheme, in response to a to-be-displayed image with a preset shape, a display area, used for displaying the to-be-displayed image, of the display device is determined; and based on the pixel data of the to-be-displayed image, writing signals are applied to pixel driving circuits of a plurality of pixel units in the display area so as to control the pixel units in the display area to display the pixel data of the to-be-displayed image, wherein the write-in signal comprises a source electrode driving signal and a common voltage signal; a voltage difference value between the source electrode driving signal and the common voltage signal is greater than or equal to a display switching voltage threshold value of the pixel unit. The invention further provides a display device.

Fishing vessel and line shell thereof

The utility model relates to a fishing vessel and line shell thereof, the fishing vessel includes a main part, install at the line of this main part one end wheel and install a ray of shell in this main part, this line shell is used for installing a parabola subassembly, play the effect of receiving the line, wherein, this line shell includes an inserts and a rosette, this inserts has a cylindrical hollow structure, be used for cup jointing and take turns to at this line, this inserts includes a pair of lateral wall portion, be provided with a location axle at this respectively to lateral wall portion top, the both ends that this location axle is used for installing this parabola subassembly, this rosette passes through the screw fixation on this inserts. This line shell is split type line shell, and it includes inserts and rosette two parts, and this rosette plays the effect that improves the fishing vessel outward appearance, and in addition, application respectively can be realized to ...

Cryogenic treatment device and cryogenic treatment method for reversible rotation and transformation of workpiece

The invention provides a cryogenic treatment device and a cryogenic treatment method for reversible rotation and transformation of a workpiece. The cryogenic treatment device comprises an intelligent control part, a workpiece rotating part and a low-temperature nitrogen treatment part which are connected into a whole, wherein the intelligent control part comprises an intelligent program control driver; the workpiece rotating part comprises the workpiece, a variable frequency motor, a coupler and a rotary tray; the low-temperature nitrogen treatment part comprises an ultralow temperature electromagnetic valve, a special flow sensor, a vaporizer, an exhaust electromagnetic valve and an axial flow fan; the cryogenic treatment method adopts an intelligent control way. Compared with the prior art, the cryogenic treatment device and the cryogenic treatment method for reversible rotation and transformation of the workpiece have the advantages of intelligent flow control, numerical controlled reversible ...

Profiled plate roof construction method and structure

The invention relates to the technical field of building roof construction, in particular to a profiled plate roof construction method and structure. A rotatable lifting platform is arranged on a construction site, a manufactured conveying support is fixed to the rotatable lifting platform, and a tile press is fixed to the rotatable lifting platform; and the direction and the angle of the output contour plate of the tile press are adjusted through the movable lifting platform, so that the direction of the output contour plate of the tile press is approximately the same as the extension direction of the roof net rack, and the tile pressing thrust of the tile press is utilized to quickly convey the pressed tiles to the mounting position and cut off and form the pressed tiles at a time after the pressed tiles are in place. According to the construction method, the steps of segmenting the profiled encaustic tiles, carrying for the second time, hoisting and transporting to the construction position ...

Up-down chamfering cutter

The invention discloses a vertical chamfering cutter which comprises a cutter body and a cutter handle which are of an integrated structure. A plurality of groups of cutting edges are arranged at the cutter body and are used for cutting chamfers on a workpiece, and at least two groups of cutting edges are arranged close to each other, so that close upper and lower chamfers can be cut on the workpiece; by means of the first cutting edge and the second cutting edge which are arranged close to each other, concave upper and lower chamfers can be cut on a workpiece at a time so as to improve the cutting precision of the upper and lower chamfers, meanwhile, a single chamfer can be cut through the independently-arranged third cutting edge, and the chamfering cutter can meet the requirement for cutting more chamfers; the guide groove and the chip guide groove which are integrated are formed, a cutting face can be cooled more quickly through cooling liquid, deformation of the cutting face of a workpiece ...

Improve two spiral guide rod type fishing vessels of feeling

The utility model relates to an improve two spiral guide rod type fishing vessels of feeling, including a main shaft, pair spiral guide rod, a slider and one lead the claw, wherein should lead the claw fixes on this slider, this slider is fixed on the main shaft, this couple spiral guide rod has seted up on the surface two kinds of thread guide slots of levogyration and dextrorotation, should lead the claw gos deep into in this guide slot, thereby this couple spiral guide rod rotates under power drive and promotes to lead claw along this guide slot removal, thereby it realizes straight reciprocating motion to drive this main shaft through this slider, wherein, should lead has a predetermined gap between this couple spiral guide rod surface bottom claw and this guide slot, this predetermined gap is 0.01~2 millimeter.

An identifying and controlling system of slaughter production line and its identifying method

Method and device allowing television to have access to MTP mode externally-connected device

The invention provides a method and device allowing a television to have access to an MTP mode externally-connected device. According to the method and device, the television is allowed to have access to the MTP mode externally-connected device and the user experience is improved. The method comprises the steps that whether the MTP mode externally-connected device is connected to the television or not is detected; if the MTP mode externally-connected device is connected to the television, the MTP mode externally-connected device is hung on a first hanging point inside the television, so that upper-layer applications inside the television have access to the MTP mode externally-connected device through the method that the upper-layer applications have access to the first hanging point. The method and device allowing the television to have access to the MTP mode externally-connected device are suitable for the technical field of electronic information.

Portable steel structure high-cup-rim foundation operation platform

The utility model discloses a convenient steel structure high cup mouth foundation operation platform, which comprises two bottom rods, and is characterized in that the tops of the two bottom rods are fixedly connected with a plurality of pedal rods at equal intervals, so that a worker can better carry out standing construction, the tops of the two bottom rods are fixedly connected with vertical rods, the tops of the vertical rods are fixedly connected with top rods, and the top rods are fixedly connected with the bottom rods. The utility model has the beneficial effects that the device is compact in structure and strong in practicability, the whole device is formed by welding reinforcing steel bars, the overall strength of the device is conveniently increased, the device is not easy to damage and can be repeatedly used, the device can be better connected with external building facilities through the connecting clamping rod, the device is suitable for different angles, and the use is convenient ...

Modularized multi-level information management system

The invention discloses a modular multi-level information management system, which belongs to the technical field of data information storage, and comprises a bottom layer database, a middle layer database, a high layer database, an input module, a classification module, a search module, a navigation module, an identity recognition module and a system program module, and the system program module controls the classification module to classify the information and coordinates the search module to search the data in the cloud database according to the search vocabularies input by the input module, so that the information search range of the system is narrowed, the search speed is increased, and the search efficiency is improved. And the navigation module sorts the searched data according to the characteristics of the user, displays the sorted information and provides an index function for the user, so that the efficiency is improved and the pertinence is enhanced when the user uses the system ...

Method for preparing trehalose through enzymatic synthesis

The invention provides a method for preparing trehalose through enzymatic synthesis. The method comprises the following steps: (1) preparing enzyme liquid of trehalose synthase and a substrate maltose solution, wherein the enzyme activity of the enzyme liquid of trehalose synthase is 1500-2000 U/ml, and the mass concentration of the substrate maltose solution is 10%; (2) feeding the enzyme liquid and the maltose solution into a reaction kettle by using a peristaltic pump, and controlling the feeding speed; (3) detecting the ratio of maltose and trehalose and the contents of byproducts such as glucose and the like in a reaction system in the process of reaction; and (4) reacting for 15-20h until the trehalose content of a synthesized product is 80% or more, then ending the reaction, wherein the trehalose conversion rate is 70% or more. The method disclosed by the invention is implemented based on a pilot scale fermentation level, realizes the low-cost, short-cycle and high-conversion continuous ...

Method for controlling stepless adjustment of water-source screw unit

The invention discloses a method for controlling the stepless adjustment of a water-source screw unit, which belongs to the technical field of air-conditioning refrigeration. The method is implemented by carrying out pulse control on a loading valve or an unloading valve according to the measurement on the temperature t of discharged water performed by using a NTC (negative temperature coefficient) temperature measuring head. The method comprises the following steps: (1) startup: a main compressor is started for providing a sustained pulse for the loading valve, so that the main compressor carries out rapid loading; (2) loading: a controller transmits a loading pulse to the loading valve so as to carry out system loading, and accumulates the loading time; (3) keeping: the compressor does not carry out loading and lightening actions; (4) lightening: the controller transmits a lightening pulse to the loading valve so as to carry out system lightening, and accumulates the lightening time; ...

Thread detection device and crack detection method for drilling tool

The invention belongs to the technical field of detection appliances, in particular relates to a thread detection device and a crack detection method for a drilling tool. The method is characterized by comprising the following steps that: firstly, an eddy current coil at the crest of a probe framework is tightly attached to the surface of the thread root of the detected drilling tool; secondly, the probe framework performs circumferential scanning and multi-coil detection along the thread rotating direction of the detected drilling tool; and finally, the eddy current coil outputs a detection result to an eddy current detection instrument in a form of an electrical signal, and the eddy current detection instrument displays the detection result, wherein the eddy current coils are uniformly distributed on a probe, the detection coverage rate can reach 100 percent by rotating for q circles, q is equal to N/n, N refers to the number of teeth, and n refers to the number of the eddy current coils ...

Plastic recycling, sorting and cleaning device

The invention relates to the technical field of automatic sorting equipment, in particular to a plastic recycling, sorting and cleaning device. Comprising a feeding shell, a sorting disc is rotationally connected to the interior of the feeding shell, a plurality of discharging openings are formed in the sorting disc, an upper end conveying disc is fixedly connected to the interior of the feeding shell, a plurality of sorting holes are formed in the upper end conveying disc, an upper end conveying groove is formed in the upper end conveying disc, and screening holes are formed in the upper end conveying groove; an upper end discharging hole matched with the upper end conveying groove is formed in the feeding shell, and an upper end discharging groove is fixedly connected to the upper end discharging hole; the problems that recycled plastic bottles are different in size and inconvenient to sort, and follow-up treatment is affected are effectively solved; oil stains are attached to the outer ...

Method for producing nano graphite field emission vacuum electronic cathode

The invention belongs to the field of vacuum electronic element and device production and a method for producing field emission microwave vacuum electronic cathode by using a nano graphite material. The method comprises: processing industrial expanded graphite sheets at high temperature to produce wormlike expanded graphite; processing the wormlike expanded graphite with solution of concentrated sulfuric acid and potassium permanganate to produce nano graphite sheets; washing the nano graphite sheets to remove acid and purifying the nano graphite sheets by using ultrasonic waves and centrifugation; filtering and drying the nano graphite sheets and forming a film; rolling up the film to produce a nano graphite cylinder; and subjecting the nano graphite column to calcining and post treatment to obtain the nano graphite cylindrical cathode. The method has the characteristics that: the production process is simple, reliable, low in energy consumption and high in production efficiency; the produced ...

Suspension type big -arch shelter spouts medicine device and control system thereof

The utility model discloses a suspension type big -arch shelter spouts the medicine device, including setting up the steel wire track in the big -arch shelter, the steel wire track includes two mutual parallel arrangement's steel wire track rope, be connected with running gear on the steel wire track rope, the running gear lower extreme is connected with and spouts the medicine subassembly. This application spout the medicine device with running gear with spout the medicine subassembly and hang on the steel wire track spraying that can realize the pesticide under the prerequisite of not occupying the big -arch shelter cultivated area, comparatively equitable, the double track design of steel wire track rope simultaneously makes device stability more, can ground engaging wheel through the walking motor, realized the mechanization of operation, the medicine sprays to drive through pesticide spraying pump has realized the automation of spouting the medicine, has reduced artifical intensity ...

Lubricant for new energy automobile power battery cooling system controller valve

The invention relates to a lubricant for a new energy automobile power battery cooling system controller valve. The lubricant comprises the following components in parts by weight: 3-6 parts of a thickening agent, 50-70 parts of base oil, 30-50 parts of a solid lubricant, 0.5-2.0 parts of an antirust agent and 0.2-1.0 part of a surface modifier. The lubricant composition disclosed by the invention has outstanding anti-rust performance, oxidation resistance, wear resistance and low friction coefficient, also has excellent compatibility with a rubber sealing element, can effectively solve the problem of abnormal noise of a valve controller of a power battery cooling system of a new energy automobile, obviously reduces wear, improves the operation efficiency of the controller, prevents leakage of a cooling liquid, and improves the service life of the valve controller of the power battery cooling system of the new energy automobile. And the use temperature range is-40-200 DEG C, and the lubricating ...

Egg quality nondestructive testing and grading packaging device

The invention discloses an egg quality nondestructive testing and grading packaging device which comprises a light detection mechanism, the light detection mechanism is in transmission connection with a weighing and grading mechanism, the weighing and grading mechanism comprises a conveying chain frame in transmission connection with the light detection mechanism, a conveying chain is installed in the conveying chain frame, and the conveying chain is in transmission connection with a packaging mechanism. The packaging mechanism comprises a plurality of egg conveying belts, the ends, away from the conveying chains, of the egg conveying belts are in transmission connection with egg loading and unloading mechanisms, and egg support conveying belts are arranged at the bottoms of the egg loading and unloading mechanisms and are in transmission connection with egg support machines. According to the invention, mechanical operation of nondestructive testing, grading and packaging of the poultry ...

Preparation device and preparation method of polyurea thickening agent powder

The invention relates to the technical field of polyurea lubricating grease preparation devices and processes, in particular to a preparation device and a preparation method of polyurea thickening agent powder, the equipment comprises a spray reaction system, a solvent separation system and a solvent recovery system; the solvent separation system comprises a hot air conveying device and a cyclone separation device; the solvent recovery system is arranged at the top of the cyclone separation device; the hot air conveying device blows a polyurea thickening agent prepared by the spray reaction system into the cyclone separation device, and a solvent enters the solvent recovery system after being evaporated. According to the preparation device and method of the polyurea thickening agent powder, the problems that in the preparation process of the prefabricated polyurea thickening agent powder, stirring is difficult, solvent evaporation is not thorough, soap powder is caked, and use is affected ...

Single grafted seedling cutting and conveying device

The invention discloses a grafted seedling single-plant cutting and conveying device which comprises a portal frame, a seedling tray and seedling conveying mechanism is arranged in the portal frame and comprises a seedling tray conveying belt and a seedling falling conveying belt, a seedling tray positioning mechanism is fixedly connected to the seedling tray conveying belt, and a cutting mechanism is fixedly connected to the end, close to the seedling falling conveying belt, of the seedling tray conveying belt. A seedling conveying mechanism is arranged on the portal frame and is in transmission connection with a seedling clamping and lifting mechanism. According to the vegetable seedling cutting device, a single vegetable seedling can be quickly and accurately positioned, clamped, fixed, cut, dropped and conveyed in sequence, the cutting success rate is increased, a large amount of manual operation is replaced, and therefore the production efficiency of line production in the cutting ...

Fine cotton fixed structure of glass

The utility model relates to an insulation material technical field especially relates to a fine cotton fixed structure of glass, including panel, the fine cotton of glass, sheetmetal, needle bar and block, the one end vertical fixation of needle bar is in in the one side of sheetmetal, the another side of sheetmetal is fixed in the one side of panel, the glass is hugged closely by fine cotton the panel is fixed with the one side of sheetmetal, the needle bar is kept away from the one end of sheetmetal is passed in proper order and is stretched out the fine cotton of glass the block, and with block fixed connection. The beneficial effects of the utility model are that: the utility model discloses a sheetmetal of fixing on the panel is fixed with the one end of needle bar, then the needle bar passes glass fine cotton and block back and block fixed connection in proper order to fix the fine cotton of glass on the panel, fixed mode is simple, and simple to operate has avoided through adding ...

Fusible air conditioner of tieing structure and being equipped with this fusible bolt structure

The utility model relates to an air conditioner technical field discloses a fusible air conditioner of tieing structure and being equipped with this fusible bolt structure. Fusible bolt structure includes fusible bolt body and fusible bolt seat, the one end and the fusible bolt body sealing connection of fusible bolt seat, and other end sealing connection has the copper pipe. This structure is connected fusible bolt body and fusible bolt seat completely, adds a bronze medal pipe simultaneously, can be directly during the assembly with the copper sealing of tube to treat the installed part on, and do not destroy fusible bolts body, do not influence the normal testing of product yet, improve assembly efficiency, equal sealing connection, assurance leakproofness are managed to fusible bolt seat and fusible bolt body and copper. Its installation method is earlier with fusible bolt body and the fusible other end sealing connection who ties the seat, being connected with the other end of copper ...

Porous rubber slipmat

The utility model discloses a porous rubber slipmat, including the rubber pad body, rubber pad body surface sets up the octagon arch, rubber pad body surface sets up the echelonment border all around, octagon arch middle part sets up main wash port, rubber pad body surface still sets up auxiliary drainage hole, rubber pad body back auxiliary drainage hole sets up the rectangle arch all around, the rubber pad body back sets up protruding platform all around. The utility model provides a porous rubber slipmat, rubber pad body set up main auxiliary drainage hole, the rectangle is protruding and protruding platform, and ten fens excellences of drainage effect are discharged through the wash port very easily to waste water during the washing, the octagon arch that rubber pad body surface set up has good massage effect to human foot, is of value to the healthy of people, in addition, the slipmat adopts rubber materials, and it is convenient to rinse, has wherein added anti -aging, mould proof ...

Transformer abnormal sound detection method, system and device and storage medium

The embodiment of the invention provides a transformer abnormal sound detection method, system and device and a storage medium, and relates to the technical field of deep learning. The method comprises the following steps: acquiring operation audio data of transformer equipment; cutting the running audio data to form a plurality of segments of audio data sets with preset lengths, and inputting the audio data sets into a pre-trained abnormal sound detection model for identification; and if abnormal sound is detected, giving an alarm. Recognition detection is carried out through the pre-constructed and trained abnormal sound detection model, and the accuracy is good. And the problem of insufficient abnormal sound data is solved by using the limited abnormal data to carry out data expansion. Only the sound pickup and the cloud computing device need to be installed, an analysis result can be obtained by transmitting the data to the cloud device for processing through the audio transmission ...

Automobile EPS steering gear worm and gear lubricating grease composition and application thereof

The invention relates to the technical field of lubricating grease, in particular to an automobile EPS steering gear worm and gear lubricating grease composition and application thereof. The lubricating grease composition provided by the invention comprises the following components in parts by weight: 77-85 parts of base oil, 6-9 parts of a thickening agent, 8-12 parts of a solid lubricant and 0.5-2.0 parts of oxidized polyethlene wax, wherein the thickening agent is a mixture of 12-hydroxy lithium stearate soap and lithium isostearate soap. The lubricating grease composition provided by the invention has excellent anti-wear and anti-friction properties and a relatively low friction coefficient, can effectively prevent abnormal sound and stick-slip phenomena, has good low-temperature startability, mechanical stability and water and rust resistance, and completely meets various lubricating property requirements of worm gears and worms of automobile EPS steering gears.

High-performance deep sea tuna seine ship

The invention relates to a high-performance deep sea tuna seine ship, comprising a ship body (1); the tail of the ship body (1) is provided with a tail shaft (2) provided with a propeller (3); the high-performance deep sea tuna seine ship is characterized in that the head part of the ship body (1) is provided with a ball nose bow (4) extending forwards; the ball nose ball (4) is positioned below the waterline at the head part of the ship body and is in a flat streamline shape. Head waves generated by the ball nose bow with such a shape and the making wakes of the main ship body can generate favorable disturbance to reduce the wave-making resistance components of the whole ship, the pressure difference resistance components of the head part of the ship can be effectively reduced by the flat streamline shape, energy conversation and emission reduction are realized, the deep sea tuna seine fishing operation efficiency is improved, and the sustainable development of the marine fishery is promoted ...

GIS product inspection instrument

A GIS product inspection instrument disclosed by the present invention comprises at least two GIS product mounting seats, an inspection assembly and a base, each GIS product mounting seat comprises a mounting bin, a mounting seat positioning piece and a mounting seat sliding piece, the mounting seat positioning piece and the mounting seat sliding piece are used for realizing the movement and positioning of the mounting bin, and the inspection assembly comprises an inspection moving piece and an inspection positioning piece. The inspection moving part and the inspection positioning part are used for moving and positioning the inspection assembly, the base comprises a base positioning part and a base sliding part, and the base positioning part and the base sliding part are used for providing places for moving and positioning the GIS product mounting seat and the inspection assembly; through the opposite movement of the GIS product mounting seats, the GIS product is automatically moved to ...

Bottom ash conveying chain box body structure of electrostatic dust collector and using method of bottom ash conveying chain box body structure

The invention discloses a bottom ash conveying chain box structure of an electrostatic dust collector and a using method of the bottom ash conveying chain box structure. The bottom ash conveying chain box structure of the electrostatic dust collector comprises a box body and a box movable bottom plate. One end of the box body is open, the box body movable bottom plate is arranged at the open end of the box body and can completely seal the open end of the box body, and an ash conveying chain guide rail is arranged on the box body movable bottom plate and located on the side, close to the box body, of the box body movable bottom plate; the box main body and the box movable bottom plate are connected through a bottom plate rotating joint connecting pin shaft, and the side, away from the box main body, of the box movable bottom plate is connected with a driving shaft of a bottom plate driving air cylinder. The dust conveying chain box body structure of the electrostatic dust collector is simple ...

Full-automatic multi-channel feces turning and raking system

The utility model discloses a full-automatic multi-channel feces plowing and raking system which is characterized in that a plurality of groups of longitudinal rails are transversely and fixedly arranged on a bed body, transverse rails are fixedly arranged on the bed body corresponding to the front sides of the longitudinal rails, the longitudinal rails are communicated with the transverse rails, a main console is arranged on the bed body, and a plowing and raking machine is controlled by the main console to plow and walk on the longitudinal rails. A storage battery is arranged on the raking machine, a transverse moving frame is arranged on the transverse rail and matched with the raking machine in shape, a cleaning bin is arranged at the position, corresponding to the tail of the longitudinal rail on the left side, of the bed body, a charging pile is arranged at the position, corresponding to the front side of the right side end of the transverse rail, of the bed body, and the charging ...

MCU online upgrading system and method, electronic equipment and storage medium

The invention discloses an MCU online upgrading system and method, electronic equipment and a storage medium. The MCU online upgrading system comprises an online upgrading cloud server and an offline programmer, and the offline programmer is connected with the online upgrading cloud server through an SIM network; the on-line upgrading cloud server is used for managing executable files of the single chip microcomputer and managing file downloading and upgrading authority of the programmer, and the on-line upgrading cloud server and the off-line programmer are connected through a TCPSocket (Transmission Control Protocol Socket); the offline programmer comprises an SIM (Subscriber Identity Module) network service module; the SIM network service module is used for being connected with an online upgrading cloud server through an SIM network and synchronizing upgrading permission and upgrading file downloading from the online upgrading cloud server. According to the MCU online upgrading system ...

Decoding method and device

The embodiment of the invention provides a decoding method and device, relates to the field of electronic technique and aims to improve the accuracy rate of triggering of an infrared remote controller. The decoding method comprises the following steps: in a first state of a first pulse signal corresponding to the period of a first preset threshold, starting a first counter, wherein the first state comprises the rising edge or the falling edge of the first pulse signal, and the first pulse signal is sent by control equipment; in a second state of the first pulse signal, closing the first counter, wherein the second state is opposite to and adjacent with the first state; if the value of the first counter is less than or equal to a second preset threshold, or the value of the first counter is greater than the second preset threshold and less than or equal to the first preset threshold, decoding the first pulse signal.

Motor support of outdoor machine of air conditioner

Tech. scheme for sealing oi reservoir for transformer

A sealing technique for oil reservoir of transformer features that inertial gas (such as argon) under one atmosphere pressure is used to isolate oil from ambient atmosphere and gas bag. It has high sealing effect to prevent transformer oil from deteriorating or ageing.

Battery pack box body and battery pack

The invention discloses a battery pack box body and a battery pack. A box main body of the battery pack box body is provided with a containing cavity used for containing the single batteries, the box main body is further provided with a first overflowing opening, and the containing cavity is communicated with the inflow channel or the outflow channel through the first overflowing opening. The heat exchange fluid is introduced into the accommodating cavity from the flow inlet channel so as to exchange heat with the single batteries, and the heat exchange fluid is discharged through the flow outlet channel. The driving piece of the driving assembly is configured to be capable of driving the connecting piece to drive the linkage pieces to rotate through movement of the driving piece, and then the linkage pieces drive the corresponding louver boards to rotate so as to adjust the flow passing area of the first flow passing opening. According to the battery pack, the air inlet amount or the air ...

Water quality monitoring circuit and water quality analyzer

The invention relates to a water quality monitoring circuit and a water quality analyzer, the water quality monitoring circuit is used for monitoring coliforms in water, and the water quality monitoring circuit comprises a colorimetric light source control circuit unit used for controlling stable output of a colorimetric light source by using gain adjustment; the ultraviolet light source control circuit unit is used for controlling stable output of the ultraviolet light source by utilizing gain adjustment; the colorimetric detection circuit unit is used for detecting a target light signal emitted after the colorimetric light source irradiates the coliform culture tank and converting the target light signal into a first voltage signal; the fluorescence detection circuit unit is used for detecting a fluorescence signal generated after the ultraviolet light source irradiates the coliform culture tank and converting the fluorescence signal into a second voltage signal; and the ADC data acquisition ...

V type evaporimeter and contain its air conditioner

The utility model relates to a V type evaporimeter and contain its air conditioner, its V type evaporimeter include first heat transfer part, second heat transfer part, the one end in first heat transfer part is connected with the mode of angularity to second heat transfer part, and both form V type structure, include still that anti cold congeals the water structure, anti cold congeals the water structure and includes baffle and first sponge, the baffle sets up on the outside of concatenation department of first heat transfer part and second heat transfer part, first sponge sets up on the baffle is close to one side of concatenation department. The beneficial effects of the utility model are that: the utility model provides a current V type evaporimeter cause the comdenstion water to gather and is blown the technical problem to indoor side by return air two heat exchanger concatenations department. The baffle can play and block the comdenstion water that is brought by return air and blow ...

Compound pipe longitudinal joint automatic weld equipment

The utility model provides a compound pipe longitudinal joint automatic weld equipment, relates to welding technique field, concretely relates to compound pipe longitudinal joint automatic weld equipment. It is main including rush -harvesting and rush -planting moving mechanism, control system, welding source, welding frock. Welder moving mechanism comprises moving platform, two welder of the left and right sides and cross balladeur train, and two welder are equipped with respective thread feeding mechanism and welding source respectively. Control system lies in welding frock left side, and two welding source connect control system. The welding frock is including welding the symmetrical strutting arrangement in front and back, lower strutting arrangement, supporting dabber, pneumatic key closing device and accurate shifting sledge. This welding equipment can satisfy diameter 200 -500mm, and length is 1800mm, thickness and presss from both sides tightly for 4 -7mm's the compound pipe longitudinal ...

Dredging tail water treatment device, system and method

The embodiment of the invention provides a desilting tail water treatment device, system and method. The device comprises a micro-sand reinforced clarifier, a gas-water-solid three-phase flow diffuse air dissolver and an air floatation tank, the micro-sand reinforced clarifier comprises a coagulating basin, a feeding basin, a curing basin, a sedimentation basin and a micro-sand circulating and sludge discharging system; the sedimentation tank comprises a water collecting tank; the water collecting tank is connected with the air floatation tank; the gas-water-solid three-phase flow diffuse gas dissolving device comprises a liquid inlet pipe, a gas inlet pipe, a gas dissolving pump, a mixing pipe, a pressure gas dissolving tank, an output pipe and a bubble releaser; the bubble releaser is arranged in the air floatation tank; a liquid inlet of the dissolved air pump is connected with the liquid inlet pipe, and an air inlet is connected with the air inlet pipe; the gas inlet pipe is provided ...

Multi-load-mode frost heave tester for unsaturated soil and method for_testing amount of frost heave

Ab str act The present invention discloses a multi-load-mode frost heave tester for unsaturated soil and a method for testing the amount of frost heave. The frost heave tester includes a sample storage system, a load control system, a humidity control system, a temperature control system and a thermotank, where the sample storage system includes a sample cylinder and a temperature-controlled plate, a gas inlet being formed at the bottom end of the sample cylinder, a liquid inlet and a liquid outlet being formed at the top of the cavity, the temperature-controlled plate being arranged in the top end of the sample cylinder, and the sample cylinder being placed in the thermotank; the load control system includes a counter-force frame and a load control mechanism, the load control mechanism being arranged in the counter-force frame and connected to the temperature-controlled plate, and the counter-force frame erecting in the thermotank. Date Recue/Date Received 2020-08-14