Die-casting forming mold of music gift box baseplate

The invention discloses a die-casting forming mold of a music gift box baseplate, comprising an upper plate (2) and a lower plate (6), an upper mold cylinder (12) and gear boxes (3). The gear boxes (3) are fixed at the top of the upper plate (2), and a plurality of thread pins (5) which can stretches into music gift box baseplate cavities (4) are connected in the gear boxes (3) in a rotary manner.The front ends of the thread pins (5) are positioned on thread holes (1) of the music gift box baseplate. The upper mold cylinder (12) is connected with the side of the upper plate (2), and a pistonrod (11) of the upper mold cylinder (12) is simultaneously connected with the thread pins (5) in the gear boxes (3) by a transmission mechanism. After adopting the above structure, the thread holes can be directly formed after die-casting forming, thus greatly increasing the production efficiency. Meanwhile, the position tolerance between the thread holes is ensured, thus improving the tone quality effect ...

Preparation method for polishing powder used for high performance devices such as liquid crystal display

The invention discloses a preparation method for polishing powder used for high performance devices such as liquid crystal display, which is characterized in that polishing powder microscopic morphology is polyhedral spherical shape, the corner angle of the particle with the above morphology is standard and uniform, scratch is not generated during a polishing process, the polyhedral structural powder has controllable morphology; the particle size distribution is uniform, average volume particle size D50 by a laser diffraction method is 0.7-2.0mum, specific surface area is 1.0-3.5m<2>/g; the dispersibility and suspensibility are good, potential of Zeta is -47mV, the polished surface is shine and neat, no scratch is generated on the surface; the cleaning performance and grinding speed of the product are better than that of certain product on market; the method comprises the following steps: adding cerous carbonate, lanthanum cerium carbonate or lanthanum cerium carbonate praseodymium in a ...

Line connector provided with spring arc extinguishing device

The invention discloses a line connector provided with a spring arc extinguishing device. The line connector comprises an arc extinguishing tube, a pressure relief cap and a fuse, wherein the upper end of the arc extinguishing tube is connected with an upper contact; the pressure relief cap is connected with the upper end of the upper contact; the lower end of the arc extinguishing tube is connected with a spring seat; through holes communicated with the arc extinguishing tube are formed in the spring seat and the upper contact respectively; a spring and a sliding contact are sleeved on an outer wall of the arc extinguishing tube; the spring is located between the spring seat and the sliding contact; a fuse fixing device is arranged on the sliding contact; the upper end of the fuse is laminated and fixed with the upper end of the upper contact by the pressure relief cap; the lower end of the fuse downwards and sequentially penetrates through the upper contact, the arc extinguishing tube ...

Low dropout linear regulator without external capacitor

The invention discloses a low dropout linear regulator without an external capacitor and belongs to the technical field of integrated circuits. The low dropout linear regulator comprises an operational amplifier, an error amplifier, an output MOS (metal oxide semiconductor) tube and a voltage peak detection circuit, a first input end of the operational amplifier and a first input end of the error amplifier are connected with reference voltage respectively, a second input end of the error amplifier is connected with an output end of the operational amplifier, a grid electrode of the output MOS tube is connected with an output end of the error amplifier, a source electrode of the output MOS tube is connected with a positive input end of a power source, and an input end of the voltage peak detection circuit is connected with a drain electrode of the output MOS tube while an output end of the same is connected with a second input end of the operational amplifier. The low dropout linear regulator ...

Single-column all-insulation line connector

The invention discloses a single-column all-insulation line connector which comprises a fuse, an arc extinguishing tube and a cylindrical insulator, wherein an upper static contact and lower static contacts are arranged at the upper part and the lower part of an inner cavity of the insulator respectively, and penetrate through an upper wiring terminal and a lower wiring terminal on a wall of the insulator to extend outside the insulator; a mounting bracket is arranged in the middle of the insulator; the lower end of the insulator is connected with a rear cover; the arc extinguishing tube is arranged in the inner cavity of the cylindrical insulator; the upper end of the arc extinguishing tube is connected with an upper connector; an upper moving contact is connected above the upper connector; the lower end of the arc extinguishing tube is connected with a lower connector; an outer wall of the arc extinguishing tube is sleeved with an arc extinguishing spring and a lower moving contact; the ...

Special built-in insulating part for fixed gap overvoltage protector

The invention discloses a special built-in insulating part for a fixed gap overvoltage protector. The special built-in insulating part comprises an insulator and an insert with a wide top and a narrow bottom, the insulator is arranged in the top of the insulator, the upper portion of the insert is cylindrical, the lower portion of the insert is a multi-faceted column, an annular groove is formed in the middle section of the multi-faceted column, a counter bore is formed in the upper end of the insert, and an internal thread is arranged on the inner wall of the counter bore. The special built-in insulating part has the advantages that the insulating part is closely connected on a support of the overvoltage protector in a threaded manner through a screw and avoids the conditions that bottom insulation is damaged and the like as a past built-in insulator with insufficient strength easily fractures, is not connected in place and leaks water after seal test.

Plastic catalytic degradation device based on intelligent control system

The invention discloses a plastic catalytic degradation device based on an intelligent control system. A light source tracking energy supply assembly forms a light tracking energy supply structure for supplying energy to a plastic catalytic degradation top cover assembly; a set of complete internal pressure induction type plastic catalytic degradation barrel structure is formed between the plastic catalytic degradation bottom barrel assembly and the plastic catalytic degradation top cover assembly, when the internal pressure of a plastic catalytic degradation barrel is increased, the internal pressure jacks up a second inner sealing piston at the moment, an electric connection contact plate at the top of a second jacking sliding rod slides towards the top of a resistance rod at the moment, and a second inner sealing piston is jacked up. The resistance value, actually connected into a circuit, of the resistance rod is decreased, the input currents of the first conveying motor, the second ...

Auxiliary device for overhauling wind driven generator

The invention belongs to the technical field of wind power generation, and particularly relates to a wind driven generator maintenance auxiliary device which comprises a sleeving part, clamping parts are arranged on the two sides of the sleeving part, a pay-off part is fixedly connected to the top ends of the clamping parts, and a bottom end receiver is fixedly connected to the bottom ends of the clamping parts. And the sleeving part comprises a sleeving shell, torsion parts are fixedly connected to the two sides of the surface of the sleeving shell, and detection parts are evenly arranged on the inner wall of the sleeving shell. The device can replace manual operation to knock and overhaul the tower body part, sound generated by knocking is received through the internal voiceprint collector, whether the internal structure of the tower body goes wrong or not is judged, the biggest characteristic is that the falling risk generated when the tower body is knocked in a manual suspension mode ...

Rare earth polishing powder and production method thereof

The invention discloses rare earth polishing powder and a production method thereof. As an abrasive substance, the polishing powder comprises CeO2, La2O3 and Pr6O11. The total rare earth oxides (TREO) are above 90wt%. Meanwhile, in the TREO of the 877-3 rare earth polishing powder, CeO2 accounts for 70-80%, La2O3 19-29%, Pr6O11 0.05-2% and Nd2O3 less than 0.2%. To ensure necessary polishing speed, fluorine element which has chemical action is added to the wet synthesis process and initial shaping of product granularity is controlled, so that the obtained 877-3 rare earth polishing powder can be used for fast producing polished surface with good polishing effect.

Arc core-pulling device of die-casting mould

The invention discloses an arc core-pulling device of a die-casting mould, which comprises a guide rail (2), a moving oil cylinder (1), a rack (10), gear groups (9) which are positioned on a gear seat(3) and mutually engaged, a connecting block (6) and an arc slide block (4) which is matched with an arc inner hole of a casting, wherein the rack (10) is matched with the guide rail (2) in a slide mode and detachably connected with a piston rod of the moving oil cylinder (1); the gear groups (9) are engaged with the rack (10); and one end of the connecting block (6) is fixedly connected with thegear groups (9), while the other end is fixed connected with the arc slide block (4). After the structure of the arc core-pulling device is adopted, because an arc motion is changed into a linear motion, the mechanical motion avoids larger error caused by manual operations so as to ensure that the size precision of a molded casting is higher. Meanwhile, all the motions of the arc slide block aredriven ...

Temporary storage loading position plate taking positioning mechanism

The invention discloses a temporary storage loading position plate taking and positioning mechanism which is installed behind a carrier plate temporary storage mechanism and comprises a plate taking assembly, a plate patting platform and a plate patting assembly, the plate taking assembly places a carrier plate on a temporary storage loading position in the carrier plate temporary storage mechanism on the plate patting platform, the plate patting assembly patts the two sides of the carrier plate on the plate patting platform, and the plate patting assembly is used for patting the carrier plate on the plate patting platform. And the carrier plate is positioned in the middle of the plate beating platform. According to the temporary storage loading position plate taking and positioning mechanism provided by the invention, the loading plates on the temporary storage loading positions in the loading plate temporary storage mechanism can be automatically taken and positioned, so that the subsequent ...

Visual identification device for light gas

The invention discloses a light gas visual identification device, and relates to the technical field of transformer protection equipment. Comprising a gas relay, observation glass arranged right in front of the gas relay and a controller, white fluorescent powder is sprayed on the surface of the observation glass, the sprayed white fluorescent powder forms scales, a plurality of supporting frames are fixed to the front face of the gas relay, a mounting frame is fixed to the end of each supporting frame, and a lifting mechanism is arranged in the middle of each mounting frame. The lifting mechanism comprises a mounting block and a limiting rod. The gas relay is provided with the lifting mechanism, the LED lamp, scales made of silver light powder and the controller, the change of the liquid level can be observed through the camera on the outer side of the gas relay, in order to prevent recognition errors caused by liquid refraction, a worker can control the lifting mechanism through the controller ...

影像显示器的数位播放电路与播放方法

The present invention aims at lowering the power consumption of computer system unit. The display is provided with one digital playback circuit and this makes it possible for the display to play back video and audio files directly and alone even if the computer system unit is in off state. The present invention makes the user capable of obtaining different playback interface to reduce the powerconsumption and the loss in working time of the computer system unit.

Method for extracting titanium from schreyerite waste residues

The invention relates to the technical field of comprehensive utilization of metallurgical resources, and provides a method for extracting titanium from schreyerite waste residues, which comprises the following steps: modifying and oxidizing titanium residues, recovering iron, vanadium and titanium in the schreyerite waste residues by alkaline leaching and acid leaching processes, removing impurities such as Mg, Mn and the like in the schreyerite waste residues, and realizing that the vanadium leaching rate is up to more than 90% after alkaline leaching. Titanium is extracted after acid leaching, and the content of obtained TiO2 can reach 98 wt.% or above.

Permanent magnet electric suspension centering guide system

The invention provides a permanent magnet electric suspension centering guide system, and relates to the technical field of permanent magnet electric magnetic suspension systems, the permanent magnet electric suspension centering guide system comprises an induction track and a suspension device, through holes are formed in the induction track, the through holes comprise a first through hole and a second through hole, and the first through hole and the second through hole are symmetrically formed in the two sides of the induction track; the first through hole and the second through hole both penetrate through the induction track; a first through hole and a second through hole are symmetrically formed in the two sides of the suspension device, the suspension device comprises at least one permanent magnet, the two ends of each permanent magnet are located on the two sides of the induction track, every two adjacent permanent magnets make contact with each other to form a permanent magnet array ...

Blend station extracting device

The utility model relates to a blend station extracting device, wherein blend station extracting device includes reclaimer system (2), connects material system (3) and control system (4), and reclaimer system is arranged in taking out the material from the agitator that blendes the station (1), connects material system and reclaimer system to be connected to receive and to save the material that reclaimer system took out, control system be used for according to the user in advance or the interim instruction of setting for in real time to reclaimer system and/or connect the material system to control. The utility model discloses a blend station extracting device is through setting up reclaimer system, meet material system and control system, makes the user can be in advance or set up the instruction temporarily in control system to the realization is to mixing and stirring the station produced mixture function of gathering in real time, thereby can gather different mixtures constantly,that ...

Railway wagon vehicle path calculation method and system based on path rule

The invention relates to a railway wagon vehicle path calculation method and system based on a path rule, and the method comprises the following steps: obtaining a preset specific path rule which is a path formulated according to a preset specific requirement based on a departure domain and an arrival domain of a passing line; acquiring a starting station and an arrival station of the truck; according to the starting station and the arrival station, an original path is determined, and the original path is the shortest passing route of the truck from the starting station to the arrival station; and according to a specific path rule, adjusting the original path into a passing path conforming to the specific path rule to obtain a target path. The problems that an existing railway traffic flow path article is not strong in application, and the traffic flow path cannot be deduced according to the article are solved.

Method for preparing hard carbon material based on aromatized petroleum asphalt and application of hard carbon material

The invention relates to a method for preparing a hard carbon material based on aromatized petroleum asphalt and application of the hard carbon material. The method comprises the following steps: carrying out ball milling on petroleum asphalt in a ball mill to obtain petroleum asphalt powder; 2, 3-dichloro-5, 6-dicyano-1, 4-benzoquinone and an acetic acid solvent are added into the obtained petroleum asphalt powder, the solid-liquid mass ratio is (1: 5)-(5: 1), the mixture is put into a ball mill to be mixed for 1 h, and mixed slurry is obtained; carrying out an aromatization reaction at 80-160 DEG C in an inert atmosphere for 2-24 h to obtain aromatized petroleum asphalt; the high-temperature carbonization temperature is 800-1600 DEG C, and the carbonization time is 2-12 hours, so as to obtain the hard carbon material. According to the method, saturated components and low-polymerization-degree aromatic components in the petroleum asphalt are converted into high-polymerization-degree aromatic ...

Technology for machining automobile engine end cover

The invention relates to a technology for machining an automobile engine end cover, and belongs to the technical field of alloy materials. The machining technology comprises the following steps that firstly, aluminum alloy of the automobile engine end cover is smelted into molten aluminum, the molten aluminum is stirred evenly, and then degassing and refining are carried out; secondly, a die-casting die is preheated and coated, a mold core is inserted into the die-casting die, a die-casting die cavity is filled with the refined molten aluminum at a high speed, forming is achieved under the high pressure, and a casting is obtained through die sinking and core drawing; thirdly, the obtained casting is cleaned, a charge handle and burrs are removed, and then the shot blasting and electrophoresis coating are carried out in sequence; fourthly, the casting on which the electrophoresis coating is carried out is turned, remachined and drilled in sequence, and then the automobile engine end cover ...

Suspension body structure, permanent magnet electric suspension system thereof and gap calculation method

The invention provides a suspension body structure, a permanent magnet electric suspension system thereof and a gap calculation method. Relates to the technical field of magnetic suspension. The induction structure is movably connected with the Halbach permanent magnet array, when the Halbach permanent magnet array vibrates, relative displacement is generated between the induction structure and the Halbach permanent magnet array, and magnetic induction lines of magnetic fields at the two ends of the Halbach permanent magnet array are cut; the induction structure induces and generates an induced magnetic field which is opposite to the magnetic field direction of the two end parts of the Halbach permanent magnet array. The technical problem that an electric suspension system lacks damping and needs to be additionally provided with a damping magnet is solved, and the utilization rate of the vehicle-mounted magnet of the permanent magnet electric suspension system is increased.

Herbal tea with functions of clearing heat and relieving inflammation or fever and preparation method

The invention provides herbal tea with functions of clearing heat and relieving inflammation or fever and a preparation method, and relates to the food processing field. The herbal tea comprises 10-20% of dark plum, 30-35% of chrysanthemum, 12-20% of cucumber, 10-15% of grapefruit, 2-5% of apple, 25-40% of dandelion and 3-6% of honey. Uncomfortable feelings of people caused by high temperature and hot weather in summer are relieved by adding the substances with functions of clearing heat and relieving inflammation or fever, namely, the dark drum, the chrysanthemum, the cucumber, the grapefruit, the apple and the dandelion.

A anchor clamps for four -axis machine tool

The utility model provides an anchor clamps for four -axis machine tool belongs to the annex technical field of lathe. This an anchor clamps for four -axis machine tool includes: the foundatin plate has a columniform clamping part at one side of foundatin plate protrusion, has a step portion at the opposite side protrusion of foundatin plate, anti - terminal surface detains that establish in step portion and the work piece supports and leans on on the foundatin plate, the fixed orifices has been seted up on the foundatin plate, the locating pin, a plurality of locating pin links firmly perpendicularly on the foundatin plate, pressing plates, set up the elongated slot that runs through the clamp plate on the clamp plate, the fastener runs through elongated slot and spiro union to fixed orifices, and the locating pin inserts and locating hole and fix a position the work piece, clamp plate straining work piece to foundatin plate. The utility model has the advantages of the clamping is convenient ...

Power consumption switching control circuit

The invention discloses a power consumption switching control circuit. The structure of the power consumption switching control circuit is that a first current mirror passes through a first switch and a first resistor which are sequentially in series connection to be connected to the ground, one end of a second switch is connected to a second current mirror, and the other end of the second switch is connected with the first switch and the public end of a first resistor. The first switch and the public end of the first resistor pass through a first capacitor and then are connected to the ground, and the first switch and the public end of the first resistor are connected with the input end of a voltage judgment module. The output end of the voltage judgment module is connected with the input end of a starting module and the input end of a delay module respectively. The first output end of the starting module outputs control signals of the second switch, and the second output end of the starting ...

Bracket for single-column and all-insulated line connector

The invention discloses a bracket for a single-column and all-insulated line connector. The bracket for the single-column and all-insulated line connector comprises a mounting frame, wherein the lower surface of the mounting frame is fitted with the horizontal part of an on-site angle iron bracket, and is clamped and fixed through a bolt A; an anti-rotation accessory is arranged between the mounting frame and the angle iron bracket; the anti-rotation accessory is a metal plate of which the middle part is provided with a long circle-shaped hole; folded edges are arranged at the edge parts of the metal plate; the metal plate and the folded edges are fitted with the surface of the angle iron bracket; a through hole and a threaded hole which are communicated with the long circle-shaped hole respectively are formed in the mounting frame; after the screwed end of the bolt A penetrates through the through hole and the long circle-shaped hole, the screwed end of the bolt A penetrates through the ...

2-oxazoline derivant and preparation method thereof

Exterior-wall fireproof coating and preparation method thereof

The invention relates to an exterior-wall fireproof coating and a preparation method thereof. The exterior-wall fireproof coating comprises the following raw materials in percentage by weight: 25-45% of resin, 4-9% of ammonium polyphosphate, 3-9% of an adhesive, 2-5% of rosin water, 2-7% of benzene, 2-7% of methyl isopropyl ketone, 5-8% of ethyl acetate, 4-9% of an inorganic pigment, 2-6% of metaboric acid, 2-5% of polyaniline, 4-8% of a dryer, 3-5% of a fire retardant and 4-7% of a thickening agent. The exterior-wall fireproof coating is high in fire resistance, can be applied to the exterior walls of buildings, is excellent in fireproof effect, excellent in adhesion effect, low in possibility of fading and low in cost, and is suitable for extensive industrial production.

Benzoxazine resin/ionic liquid compositions

The invention relates to benzoxazine resin/ionic liquid compositions. The benzoxazine resin/ionic liquid compositions are compositions prepared from benzoxazine resins and imidazolium ionic liquids. The compositions which have a low curing temperature can be used in many fields of paints, thermosetting plastics, matrix resins of composite materials and the like.

Mould of automobile -used part of die -casting

The utility model provides a mould of automobile -used part of die -casting belongs to mould technical field. This mould of automobile -used part of die -casting includes the cover half device, dynamic simulation device, the side mechanism of loosing core, the cover half device includes the cover half frame, the cover half core, the cover half latch segment, with inserting that the cover half frame links to each other, dynamic simulation device includes the movable mould frame, the movable mould core, side first side that the mechanism includes the slant setting two seconds sides that mechanism and symmetry the set up mechanism of loosing core of loosing core of loosing core, first side is loosed core the mechanism and include two first layerings and the first slider that can slide between two first layering, insert on the first slider and be equipped with first slider core, second side is loosed core the mechanism and is included the clutch blocks, two second layerings and second slider ...

Watchdog circuit

The invention relates to a watchdog circuit in the technical field of power electronics, which comprises a frequency division module, an up counter, a watchdog reset threshold register, a watchdog state register, a watchdog control register and a watchdog operation register, a watchdog verifies whether a program flies or not, besides conventional dog feeding total time overtime judgment, a dog feeding type flag bit, a dog feeding ID and standard interval time are added. The watchdog circuit detects more abnormal program execution conditions, because the time interval of each dog feeding and the sequential logic of the dog feeding need to be detected during dog feeding operation, when the program does not run to the condition that the program cannot run out and only runs to the wrong place to execute the program, the watchdog circuit can be used for detecting the time interval of the dog feeding and the sequential logic of the dog feeding. It is also possible to detect abnormities through ...

Automatic driving fault processing method and automatic driving system

The invention provides an automatic driving fault processing method and an automatic driving system. The method comprises the following steps: receiving a vehicle control instruction and a first running state sent by a microprocessor; obtaining a first detection result according to the vehicle control instruction and the first operation state in combination with a first preset fault detection mechanism; and executing a corresponding fault processing method according to the first detection result. According to the invention, fault detection is carried out on the microprocessor through the received vehicle control instruction and the first operation state sent by the microprocessor in combination with the first preset fault detection mechanism, so that a corresponding fault processing method is determined according to whether the microprocessor has a fault or not to control safe parking of the vehicle; and the safety and the reliability of automatic driving are improved.

Asphalt mixing plant and cleaning system thereof

The invention discloses a cleaning system which is used for cleaning a material gate (3) of an asphalt mixing plant, and comprises a lytic agent branch for providing an asphalt lytic agent and a spray nozzle (2) which is opposite to the material gate (3), as well as a gas supply branch for providing compressed gas, and an outlet of the gas supply branch and the outlet of the lytic agent branch are connected with an inlet of the spray nozzle (2). The cleaning system has high cleaning efficiency and convenient operation and can reduce the asphalt cleaning cost. The invention further provides the asphalt mixing plant comprising the cleaning system, and the utilization of the asphalt mixing plant can improve the quality of asphalt mixture, lead the production to be safer and realize higher reliability.

Disease resistance improving Chinese herbal medicine sheep feed and preparation method thereof

The present invention relates to the technical field of livestock feed and discloses a preparation method of a disease resistance improving Chinese herbal medicine sheep feed. The sheep feed comprises the following components in parts by weight: 40-120 parts of soybean meal, 30-60 parts of wheat bran, 30-60 parts of rice bran, 10-30 parts of pear residue, 10-20 parts of grape residue, 2-6 parts of edible salt and 1-10 parts of Chinese herbal medicine additives. The preparation method mainly includes the steps of Chinese herbal medicine additive preparation and raw material fermentation. The beneficial effects of the sheep feed are that the sheep feed has good palatability and is nutritious, the added Chinese herb medicine can effectively improve the disease resistance of sheep and prevent the occurrence of various diseases; and at the same time the feed is added with a variety of Chinese herbal medicines which can promote the growth of sheep and has very good effects. The produced sheep ...

Pin disc type friction-corrosion multi-environment coupling experiment device and method

The invention provides a pin disc type friction-corrosion multi-environment coupling experiment device and method, and the device comprises a corrosion environment unit which comprises a box body and a corrosion medium located in the box body; the electrochemical unit comprises an electrochemical work station, a working electrode located in the box body, an auxiliary electrode with one end inserted into the box body and a reference electrode with one end inserted into the box body, and the working electrode, the auxiliary electrode and the reference electrode are all connected with the electrochemical work station; the friction and wear unit comprises a rotating unit and a normal force loading unit, one end of the rotating unit is connected with a sample and extends into one side in the box body, one end of the normal force loading unit is connected with a friction pair and extends into the other side in the box body, and the other end of the normal force loading unit is connected with ...

Anchor clamps of rotatory centre gripping

The utility model provides an anchor clamps of rotatory centre gripping belongs to the annex technical field of lathe. It has been solved current anchor clamps and has used inconvenient problem. This anchor clamps of rotatory centre gripping includes: the fixed plate, has seted up a plurality of slide hole on the fixed plate perpendicularly, corresponded the regulation hole of seting up perpendicular to slide hole on the lateral wall of fixed plate, install in the regulation hole and adjust the round pin, the sliding shaft, the sliding shaft cunning is established in slide hole, has seted up the sliding tray on the outer peripheral face of sliding shaft, it injects in the sliding tray to adjust the tip of round pin, the guide, the guide links firmly on the fixed plate, the sliding plate, the sliding plate cunning is established in the guide, the sliding shaft is installed on the sliding plate, the sliding plate slides and drives the sliding shaft along the guide and removes along the axis ...

Workpiece appearance defect detection method, electronic equipment and storage medium

The invention relates to the field of machine vision detection, in particular to a workpiece appearance defect detection method, electronic equipment and a storage medium, and the method comprises the following steps: photographing a workpiece on a production line in real time, carrying out global data collection, covering the size of the whole workpiece, and obtaining a whole image of the workpiece to be detected; carrying out defect detection on the global necessary detection items by using a contour matching detection algorithm operated in a CPU (Central Processing Unit); carrying out local data acquisition through a multi-angle camera to obtain a local image of the to-be-detected workpiece, and carrying out defect detection on the local necessary detection item and the local selective detection item by using a defect target detection algorithm running in a GPU (Graphics Processing Unit); and the detected data possibly having the stamping defects are re-checked and detected again through ...

High-temperature air sterilizer

The invention discloses a high-temperature air disinfector, and belongs to the technical field of high-temperature air disinfection, the high-temperature air disinfector comprises a high-temperature air disinfector body and a fan, the high-temperature air disinfector body comprises a shell, a waste heat recovery unit and a heating disinfection unit, the waste heat recovery unit comprises a heat exchange column with a hollow structure, a vertical heat exchange pipe and foam metal, the heat exchange column body is placed in the shell and is concentric, an air inlet channel is formed between the shell and the heat exchange column body, an air outlet channel is formed in the heat exchange column body, the air inlet channel and the air outlet channel are communicated with each other, the heat exchange pipes are evenly arranged on the side face of the heat exchange column body in a radial mode and connected with the shell, and the air outlet channel is filled with the foam metal to improve the ...

Roller type linear sliding rail

The invention provides a roller type linear sliding rail which comprises a rail, a sliding block arranged on the rail in a sleeving mode and end cover units arranged at the two ends of the sliding block, one end cover unit comprises a first cover plate, a second cover plate, an open type end cover and an outer end cover, the first cover plate is provided with a plurality of through holes communicated with a non-load channel, and the second cover plate is provided with a plurality of through holes communicated with the non-load channel. The first cover plate is provided with a through hole, the second cover plate is arranged on the first cover plate and is provided with a through hole communicated with the through hole, the open type end cover is arranged at one end of the sliding block and is provided with a through hole communicated with the through hole, and the through hole is sealed by the outer end cover, so that the plurality of rolling parts flow back. The through hole of the open ...

Reinforced fixing support apparatus

The invention provides a reinforcing fixing support device which includes a L shape body, a rectangle convex bar, a convex structure and a fold-fin. The L shape body also includes a first plane and a second plane, the second plane connects with the first plane for forming a bend angle. The rectangle convex bar locates on the first plane, the convex structure projects on the bend angle. The fold-fin locates on two sides of the first plane and the second plane, and are perpendicular to the first plane and the second plane respectively.

Track inspection method, device and equipment based on deep learning and medium

The invention relates to the technical field of track inspection, in particular to a track inspection method and device based on deep learning, equipment and a medium, and the method comprises the following steps: obtaining a track 2D image and a fastener 3D image in real time, and carrying out the preprocessing; identifying the track 2D image, screening out a suspected foreign matter picture, carrying out secondary classification identification by using a track detection model, determining a final foreign matter picture, and obtaining a related position; using the fastener detection model to classify and identify the fastener 3D image, outputting a candidate positioning area, and outputting a final fastener positioning coordinate; the position where the fastener is located is cut, the fastener classification condition is output after detection is conducted through the fastener detection model, and when the fastener detection condition is classified to be normal, gap value measurement is ...

Semiconductor packaging method

A semiconductor packaging method comprises the following steps: forming a rewiring structure on one side of a first carrier plate; forming a sacrificial protective film on one side, deviating from the first carrier plate, of the rewiring structure; the first carrier plate and the rewiring structure are peeled off; providing a second support plate, wherein the bearing area of the second support plate is larger than that of the first support plate; bonding one side, deviating from the sacrificial protective film, of the rewiring structure on the second carrier plate; then, stripping the sacrificial protective film and the rewiring structure; then, arranging a chip on one side, deviating from the second carrier plate, of the re-wiring structure; forming a plastic packaging layer for packaging the chip and the surface of the side wall of the rewiring structure, wherein the plastic packaging layer does not package the surface of the side wall of the second carrier plate; and then, stripping ...

Ecological pigeon feed and preparation method thereof

The present invention discloses an ecological pigeon feed and a preparation method thereof, and relates to the technical field feed of feed formulation and processing. The ecological pigeon feed consists of the following raw materials in parts by weight: 5-25 parts of pear residue, 5 to 35 parts of grape residue, 2-10 parts of oat, 5-15 parts of green bean, 5-20 parts of sorghum, 5-20 parts of soybean meal, 10-45 parts of corn, 5-25 parts of wheat bran, 5-10 parts of castor beans, 5-15 parts of trchosanthes kiriowii seed kernels, 1-5 parts of hawthorn, 0.5-4 parts of pericarpium citri reticulatae viride, 1-3 parts of celosia cristata, 1-4 parts of shrimp powder, 1-4 parts of ajowan, 1-5 parts of momordica grosvenori, 1-6 parts of aloe, 0.5-5 parts of orange peel, 1-2 parts of skullcap, 1-2 parts of eggshell powder, 0.5-1 part of angelica, 0.5-1 part of glehnia littoralis, 0.5-2 parts of selenium yeast, 0.5-1 part of glycine zinc, 1-10 parts of salt and 3-5 parts of bentonite. The preparation ...

Temperature is mixed with expanding foam solution automatic blending feeding device

The utility model discloses a temperature is mixed with expanding foam solution automatic blending feeding device, including the automatic supply unit (1) of water, the automatic supply unit (2) of foamer and expanding foam solution memory cell (3), the automatic supply unit (1) of water and foamer automatic supply unit (2) communicate with expanding foam solution memory cell (3) respectively, according to the settlement proportion to expanding foam solution memory cell (3) fluming water and foamer, stirring misce bene in expanding foam solution memory cell (3). Water passes through the flow and sets for the supply of valve realization precise and quantitative, and the foamer passes through variable frequency pump realization precise and quantitative to be supplied with, and then mixes with foam asphalt production facility self feeding high quality expanding foam solution for warm, realizes that the continual and steady high quality of various pitch homoenergetics foams, solves the great ...

Single molecule immunoassay detection method

The invention discloses a novel single-molecule immunoassay detection method, which is a single-molecule immunoassay method for performing warm dissociation and enrichment under a specific enzyme treatment condition. The detection method comprises a series of operation steps of activation of the inner wall of a container, preparation of a non-magnetic microsphere-capture antibody, preparation of a detection antibody-magnetic microsphere, preparation of magnetic microsphere-target-non-magnetic microsphere, nucleic acid double-chain dissociation and enrichment under mild conditions, reporter collection, signal detection and the like. Compared with an existing detection method, the method has a series of advantages of reducing statistical errors, improving the detection sensitivity, shortening the reaction time, reducing the detection limit and the like, and the stability and the operation repeatability of a detection system are improved.

Automatic equipment identification (AEI) method and AEI system

The invention relates to an automatic equipment identification (AEI) method and an AEI system. The AEI method includes the following steps: monitoring tag information carrying a train number and sent by a train radio frequency identification (RFID) tag, and starting a camera device to take an image of the area on a train where a train number is located; after positioning a character zone in the image and splitting the character zone from the image, identifying the train number in the character zone; comparing the identified train number and the train number sent by the RFID tag, sending data indicating the train number to an external preset address if the identified train number is identical to the train number sent by the RFID tag, and sending an alarm message if the identified train number is not identical to the train number sent by the RFID tag. The invention adopting the technical scheme has the advantages that the automatic image identification method and the RFID tag identification ...

Lamp capable of being quickly locked and grounded for conduction

The utility model discloses a rapid locking and grounding conduction lamp, which comprises a bracket, two locking parts, two grounding parts, two grounding parts and a grounding part, wherein the edges of the two side walls of the bracket are convexly arranged along the axial direction of the side walls to form two symmetrically arranged clamping edges; the surface cover is matched with the structure of the support and covers the opening of the support, and at least one through hole is formed in the surface cover; one end of the locking assembly penetrates through the through hole and is arranged on the surface cover in a protruding mode, the other end of the locking assembly is arranged in the containing cavity, and the locking assembly rotates under the action of external force to enablethe two ends of the locking assembly to be clamped with the two clamping edges of the support correspondingly, so that the surface cover and the support are connected into a whole; the lighting assembly ...

Photoexcitation three-dimensional imaging device and manufacturing method thereof

The invention provides a photoexcitation stereo imaging device and a manufacturing method thereof, and relates to the technical field of projection stereo imaging equipment. The manufacturing method comprises the following steps: preparing a graphene film on a metal substrate, and stripping the metal substrate to obtain a single-layer graphene film; a layer of adhesive is laid on a single-layer graphene film, then a quantum dot particle array is laid, gaps among quantum dot particles are filled with the adhesive after the quantum dot particles are solidified, an ultraviolet lamp is adopted for irradiation, finally, the single-layer graphene film is laid on the upper layer of the quantum dot particles, and the single-layer graphene film and the quantum dot particle array are laid repeatedly and circularly. The gel array containing the quantum dot particles is obtained. The invention prepares a high-quality stereo projection'screen ', the'screen' is a transparent cube filled with nano-scale ...

Power frequency light-emitting diode illuminating lamp

The invention relates to a power-frequency light-emitting diode (LED) light, which belongs to the technical field of LED lights. The power-frequency LED light is characterized in that a decompression coupling capacitance C is connected with the positive pole of a power-frequency AC power supply; the negative pole of the decompression coupling capacitance C is eclectically connected with the positive pole of a rectifying diode D1 and the negative pole of a rectifying diode D2, and the rectifying diodes D1 and D2 are connected in parallel; the negative pole of the rectifying diode D1 is connected with the series circuit of a LED D51-D5N, and the positive pole of the rectifying diode D2 is connected with the series circuit of a LED D61-D6N, forming a parallel structure of the two LED series circuits; the negative pole of a LED D5N and the positive pole of a LED D6N are simultaneously connected in series with a resistor R2 and an inductor L and then connected with the negative pole of the AC ...

Built-in machine vision measurement and control system

The invention relates to an embedded machine vision observing and controlling system, which comprises a DSP, an FPGA for controlling image acquisition, a CCD acquisition module, an SDRAM memory for storing images, a memory operation system, a FLASH memory for configuring information and application programs, and an Ethernet interface, wherein the CCD acquisition module is connected with the FPGA which is respectively connected with the SDRAM memory and the DSP through an EMIF bus; the DSP is respectively connected with the SDRAM memory and the FLASH memory through the EMIF bus and connected with the Ethernet interface through an EMAC; and the Ethernet interface is connected with a PC or an intelligent terminal through a router. The embedded machine vision observing and controlling system has the advantages that the embedded machine vision observing and controlling system adopts a DSP and FPGA processor integrated mode, can realize equalization treatment of the burden and improve the treatment ...

High-safety single column fully insulated line connector

The invention discloses a high-safety single column fully insulated line connector. The high-safety single column fully insulated line connector comprises a fuse, an arc extinction tube and a tubular insulator. The upper portion and the lower portion of a cavity of the insulator are respectively provided with an upper static contact and a lower static contact. The upper static contact and the lower static contact respectively extend outside the insulator through an upper terminal and a lower terminal which penetrate through the wall of the insulator. The middle portion of the insulator is provided with a mounting bracket and the lower end of the mounting bracket is connected to a rear cover. The arc extinction tube is arranged in the cavity of the tubular insulator, the upper end of the arc extinction tube is connected to an upper connector, the top of the upper connector is connected to an upper moving contact, the lower end of the arc extinction tube is also connected to a lower connector ...

Preparation method of lanthanum oxide low in calcium by removing calcium chemically

The invention discloses a preparation method of lanthanum oxide low in calcium by removing calcium chemically. The lanthanum oxide low in calcium is prepared by controlling the precipitation reaction condition, taking lanthanum chloride solution as a raw material and oxalic acid as the precipitating agent, and controlling the main factors affecting the content of CaO in lanthanum oxide such as feed liquid concentration, precipitation time and the like by controlling the process engineering condition of precipitation. The content of CaO in lanthanum oxide prepared by oxalic acid precipitation is less than 0.01%, and the extraction production line of calcium is eliminated, thereby meeting requirements of different customers and significantly lowering production costs.

Tobacco stores cabinet tail band torque control's device

The utility model provides a tobacco stores cabinet tail band torque control's device, includes motor, terminal box, speed reducer, speed reducer mounting panel, driving sprocket, the utility model discloses a flange formula mounting structure installs the motor reducer on the speed reducer mounting panel, and the motor adopts synchronous permanent magnetism electron motor, is equipped with network control module and speed adjusting device on synchronous permanent magnetism electron motor, synchronous permanent magnetism electron gear motor, speed reducer, driving sprocket are connected according to the preface after adopting synchronous permanent magnetism electron motor to the motor. The utility model discloses can realize terminal moment and phase control the accurate control of supplying with the electric current to can accomplish when the output torque signal feedback is unusual that the electric current produces the abnormal signal feedback, motor control system cuts off current output ...

Shell separation device

The invention provides a shell separating device which comprises two cross beams hinged to each other. The locking device is connected with the cross beam, and the locking device is provided with a locking block and an expansion body; the dismounting device is provided with an ejector rod and a fixing bolt; the locking device is used for being fixedly connected with the front shell, and the fixing bolt is used for being connected with the rear shell. The two cross beams are hinged, the locking device and the dismounting device are arranged, the locking device is provided with the locking block and the expansion body, the dismounting device is provided with the ejector rod and the fixing bolt, the locking device is used for being fixedly connected with the front shell, and the fixing bolt is used for being connected with the rear shell, so that the front shell is jacked through the locking device, and the dismounting device is connected with the rear shell; the front shell and the locking ...

Reinforced fixing support apparatus

The invention provides a reinforcing fixing support device which includes a L shape body, a rectangle convex bar, a convex structure and a fold-fin. The L shape body also includes a first plane and a second plane, the second plane connects with the first plane for forming a bend angle. The rectangle convex bar locates on the first plane, the convex structure projects on the bend angle. The fold-fin locates on two sides of the first plane and the second plane, and are perpendicular to the first plane and the second plane respectively.

Multifunctional biological organic and inorganic blended fertilizer and its production process

The invention relates to an organic fertilizer and its productive technique, which belong organic fertilizer and its productive technical field. Its characteristics is: the content of N+P2O5=K2Oí¦6%,that of organic substanceí¦30%; nitrogen; beneficial microbe bacterium power whose nitrogen contentí¦46%, 2 3 whose P2O5 contentí¦14%, 4 : 5 whose K2O contentí¦50%; Its productive technique is: mix and sir -make particle- dry- cool-package multi-functional biological organic-inorganic compound fertilizerinorganic nutrition, organic substanceeffective germs í¦20,000,000,000 / portion, organic substance content í¦25%.

2-oxazoline derivant and preparation method thereof

The invention discloses a 2-oxazoline derivative and a preparation method thereof. With a propargyl functional group, the related 2-oxazoline derivative can be heated for self crosslinking and solidifying and can also be co-polymerized and crosslinked with other thermosetting resins. Furthermore, the derivative can be used as thermosetting resin or for modifying other thermosetting resin.

A multistation anchor clamps for machining center

The utility model provides a multistation anchor clamps for machining center belongs to the annex technical field of lathe. This a multistation anchor clamps for machining center includes: the bottom plate, clamping mechanism, clamping mechanism installs on the bottom plate, positive locating plate, positive locating plate links firmly on the bottom plate, the both sides of positive locating plate are equipped with the locating pin that links firmly on the bottom plate, the work piece is placed on positive locating plate and the locating pin is inserted and is established in the locating hole that corresponds on the work piece, the clamping mechanism centre gripping is in the flange portion of work piece, the antidirection finding board, the antidirection finding board links firmly on the bottom plate, installs the center post on the antidirection finding board, is equipped with the spacing post that links firmly on the bottom plate in the both sides of antidirection finding board, workpiece ...

Door opener of hot aggregate

The utility model discloses a door opener of hot aggregate, including opening the door mechanism's cover, set up a plurality of bin gates on the mechanism's cover that opens the door, bin gate on -off mechanism to and be located the aggregate weighing hopper of bin gate below, left and right both sides bin gate passes through bin gate on -off mechanism to symmetrical blowing in the middle of the aggregate weighing hopper, left bin gate clockwise rotation under bin gate on -off mechanism drives open, the right side bin gate is anticlockwise rotary open under bin gate on -off mechanism drives. The utility model discloses the mechanism design that opens the door that will hot aggregate for central symmetry blowing form, makes the hot aggregate of falling in the aggregate weighing hopper be in its center, reduces the material and flows down the in -process to the transverse impact of aggregate weighing hopper, effectively improves the precision of weighing of hot aggregate. Simultaneously the ...

Intelligent control method, system and equipment of active heat dissipation device and medium

The invention provides an intelligent control method, system and equipment of an active heat dissipation device and a medium, which are applied to the technical field of adaptive temperature control and comprise the following steps: step 1, acquiring state data of a monitored main body in real time through a monitoring sensor and transmitting the state data into an intelligent control system; 2, invalid data in the state data are filtered through an intelligent algorithm model, and regulation and control parameters are output through effective data reasoning; 3, the power of the cooling fan is controlled in real time according to the regulation and control parameters in the step 2, and therefore the rotating speed of the cooling fan is adjusted; and 4, working state data of each chip in the monitored main body after the regulation and control parameters in the step 2 are executed are calculated, and the working state data are input into an intelligent control system for optimizing the control ...

Clamping apparatus

The utility model provides a clamping apparatus belongs to the annex technical field of lathe. This clamping apparatus includes: the sliding shaft, the sliding shaft is " 7 " font, the sliding shaft includes the sliding part, fixes at the clamping part of sliding part one end and the connecting portion that outwards extend from the sliding part other end, has seted up the sliding tray on the outer peripheral face of sliding part, the sliding tray includes preceding tip, back tip, connects the rotating part of preceding tip and back tip, preceding tip and back tip all are on a parallel with the axis of sliding shaft, a bearing, the bearing housing is established on connecting portion and is supported and lean on on the sliding part, the locking piece, locking piece locking bearing to connecting portion. The utility model has the advantages of the clamping is convenient, stability is good.

Transmitter transmitter

The invention discloses an explainer transmitter which comprises a transmitter body and a frame, the transmitter body is detachably embedded in the frame, a sliding groove is formed in the frame, a sliding block corresponding to the sliding groove is arranged on the transmitter body, and a limiting assembly is arranged on the frame and used for blocking and limiting the transmitter body; a prompting assembly is arranged on the frame and used for prompting a transmitter generation range where the receiver is separated from the transmitter, the prompting assembly comprises a signal detector and an alarm, the signal detector is in signal connection with the alarm, and the signal detector is in signal connection with the receiver; a shell is arranged at the bottom of the frame, a charging source is arranged in the shell, the charging source is connected with a charging connector, and the charging connector extends to the inner side of the frame and can be in butt joint with a charging port ...

Installation tool for 10-kilovolt bare conductor emergency treatment insulating sheath

The invention provides an installation tool for a 10-kilovolt bare conductor emergency treatment insulating sheath. According to the structure of the installation tool, a clamp comprises a left part and a right part, the upper ends of the two parts are each provided with a positioning iron strip, the lower portion of the left part and the lower portion of the right part overlap, the upper end of a pull rod is located between the lower portion of the left part and the lower portion of the right part, a pin A is arranged at the upper end of the pull rod, a pin D is arranged at the upper end of a supporting block, the lower end of the supporting block is connected with the upper end of a support, the lower end of the support is connected to the upper end of an operating rod in a sleeving mode, a spring is arranged in the middle of the pull rod, the lower portion of the pull rod is located in the support, a groove C is formed in the lower portion of the pull rod, a pin E is arranged in the ...

Die-casting forming mold of music gift box baseplate

The invention discloses a die-casting forming mold of a music gift box baseplate, comprising an upper plate (2) and a lower plate (6), an upper mold cylinder (12) and gear boxes (3). The gear boxes (3) are fixed at the top of the upper plate (2), and a plurality of thread pins (5) which can stretches into music gift box baseplate cavities (4) are connected in the gear boxes (3) in a rotary manner. The front ends of the thread pins (5) are positioned on thread holes (1) of the music gift box baseplate. The upper mold cylinder (12) is connected with the side of the upper plate (2), and a pistonrod (11) of the upper mold cylinder (12) is simultaneously connected with the thread pins (5) in the gear boxes (3) by a transmission mechanism. After adopting the above structure, the thread holes can be directly formed after die-casting forming, thus greatly increasing the production efficiency. Meanwhile, the position tolerance between the thread holes is ensured, thus improving the tone quality ...

Organic fertilizer and its production process

The invention relates to an organic fertilizer and its productive technique, which belong organic fertilizer and its productive technical field. Its characteristics is: the content of N+P2O5=K2Oí¦6%,that of organic substanceí¦30%; nitrogen; urea power whose nitrogen contentí¦46%, phosphor phosphor whose P2O5 contentí¦14%, kalium: potassium sulfate whose K2O contentí¦50%; according to the mess ratio, urea :4-6%, phosphor:14-16%, potassium sulfate :3-5%, humic acid (whose organic contentí¦55%) :49-51%, expanding chicken manure (whose organic contentí¦30%):14-16%, high calcium clay :10-12%. Its productive technique is: mix and sir -make particle- dry- cool-package. The invention has the advantages: (1) any nutrition the plants need; (2) scientific dispensation ; (3) can reduce alkalinity and salinity of soil; (4) can be used as basic fertilizer ; (5) wide range of application; (6) has high productivity and increased quality; (6) no harm to the public.

Bearing defect detecting technique based on embedded-type machine vision

The invention provides a bearing defect detecting technique based on embedded-type machine vision, which carries out on-line detection on defects of the bearing by using an embedded-type machine vision detecting and controlling machine and PC machine configuration interface software. The detection technique mainly comprises positive optical bearing surface defect detection technique, positive optical bearing concave surface defect detection technique, backlight bearing concave surface defect detection technique and side light bearing surface defect detection technique, wherein the positive optical bearing surface defect detection technique is used for detecting scratch, rusty spots, black rust and outer guide angle on the surface of the bearing; the positive optical bearing concave surface defect detection technique is used for detecting whether a bearing bracket has hollows; the backlight bearing concave surface defect detection technique is used for detecting whether the bearing hasmissing ...

Automobile generator end cover and preparation method thereof

The invention specifically relates to an automobile generator end cover and a preparation method thereof, belonging to the technical field of alloy materials. The generator end cover comprises the following constituent elements in percentage by mass: 0.10-0.40% of Mg, 3.20-3.80% of Cu, 0.20-0.60% of Zn, 0.40-0.75% of Fe, 0.25-0.45% of Mn, 0.01-0.03% of Sr, 6.00-7.00% of Si, 0.10-0.20% of Ti, 0.10-0.25% of Ni and the balance of aluminum and inevitable impurities. The invention also provides a method for preparing the automobile generator end cover, which comprises the following steps: batching, smelting, deslagging, refining, performing die casting, and performing heat treatment to obtain the finished product. According to the invention, the preparation method of the automobile generator end cover is simple and feasible; and the obtained automobile generator end cover has favorable hardness, strength and other comprehensive properties and good heat dispersion.

Improved generation die casting die

The utility model provides an improved generation die casting die belongs to mould technical field. This improved generation die casting die includes cover half device, dynamic simulation device, the mechanism of loosing core, and the cover half device includes cover half frame, cover half core, the movable mould frame that dynamic simulation device is frameed shift and is moved including the relative cover half of ability is equipped with the movable mould core in the movable mould frame, it includes first oblique guide pillar, the oblique guide pillar of second, hydro -cylinder and three take -up housing to loose core the mechanism, and the both sides of each take -up housing are divided equally and do not are equipped with the slider, and three take -up housing is the horizontal second take -up housing that sets up of first take -up housing, level, the vertical third take -up housing that sets up of level that the horizontal tilt set up respectively, and first oblique guide pillar passes ...

Smoke treatment device

The utility model discloses a smoke treatment device, including flue gas collecting system, induced draft system and flue gas conveying system, the flue gas collecting system is by the flue gas collecting flue to and a mouthful constitution is collected to a plurality of flue gases that distribute on the flue gas collecting flue, induced draft system is the draught fan, and induced draft system's air intake and flue gas collecting flue are connected, and induced draft system's air outlet is connected to flue gas conveying system. The utility model discloses the emission of harmful flue gases such as job site glance coal can significantly reduce to realized the protection that the site work personnel are healthy, and to the protection of environment. Flue gas conveying system adopts the tee bend valve, and is optional to the mode of processing of flue gas, one, introduce drying drum with the flue gas, postcombustion carries out, and burning tail gas draws the dirt pipe through drying drum ...

Autoclaved aerated concrete block made of gold tailings and its production process

The invention relates to gold tail mine concrete block and its productive technique, which belongs to wall material for building and productive technical field. Its characteristics is that the main raw material for making concrete block includes slag, cement, burnt lime, aluminum powder and water, and their mess ratio is: slag 60~70%, cement-6~10%, burnt lime-20~30% aluminum powder -0.01~0.05% and the water content can be changed according to the requirement of gold tail slime density. The invention can reach the purposes of environmental protection, energy saving, using the waste, increasing the building's quality and assuring people's health, it can use waste slag completely, with good resistance to coldness and without radioactive harm, can be compound with mortar so that solve the problem of wall surface falling down.

Navigation path planning method based on artificial intelligence

The invention relates to the technical field of artificial intelligence robot route planning, in particular to a navigation route planning method based on artificial intelligence, and the method comprises the following steps: S100, before starting navigation, constructing a global 2d environment; s200, the scanned 2d composition is subjected to rasterization processing; s300, when the sensor with the ratio of the head part to the body part of the robot senses that an object approaches and stays for more than a time b, the head part and the body part are automatically turned to the side where the object is located, and an LCD screen on a robot body is lightened; s400, exhibitions and places in the museum are displayed; s500, planning a path according to the destination selected by the tourist; s600, performing algorithm operation through an evaluation function, and planning an optimal path; s700, the planned path is displayed, and the tourist is guided to the destination, the A * algorithm ...

Preparation method of large-proportion praseodymium oxide

The invention discloses a preparation method of large-proportion praseodymium oxide. In the process, the large-proportion praseodymium oxide is prepared by controlling the precipitation reaction condition, taking praseodymium chloride solution as a raw material, taking ammonium bicarbonate as the precipitating agent, and controlling the main factors affecting the proportion of praseodymium oxide such as precipitation temperature, feed liquid concentration, precipitation time and the like by controlling the process engineering condition of precipitation. The carbonate prepared by ammonium bicarbonate solution can be directly washed without aging, simultaneously the prepared carbonate has high density, large proportion, large particles, fast clarification and good filter performance, and the loose oxide of the carbonate after calcined decomposition has large proportion. The process flow is short, the purity of praseodymium oxide is greater than or equal to 99.9%, and the yield coefficient ...

Chain turn circular arc transition guide device is carried in steep angle area of feeding machine

The utility model provides a chain turn circular arc transition guide device is carried in steep angle area of feeding machine, the utility model discloses a steep angle area curb plate (1), drive arrangement (2), transmission shaft (3), go up caterpillar track of a tractor (4), down caterpillar track of a tractor (5), circular arc transition guide rail (6), carry horizontal segment curb plate (14), a slope section curb plate (15) under chain (13), the steep angle area, wherein go up caterpillar track of a tractor (4), descend caterpillar track of a tractor (5) to fix curb plate (1) inboard about steep angle area respectively, provide moving trajectory for carrying chain (13), closed circulation and transport chain (13) that are two sections crooked forms are connected through outside transmission shaft (3) and angle area curb plate (1) suddenly drive arrangement (2), circular arc transition guide rail (6) is fixed in horizontal segment curb plate (14) the inboard and upper and lower caterpillar ...

Preparation method and application of battery negative electrode carbon material

The invention relates to a preparation method and application of a battery negative electrode carbon material, and the preparation method of the battery negative electrode carbon material provided by the invention comprises the following steps: dissolving asphalt powder and a polymer material in a triethyl phosphate solution according to a weight ratio of 100: (1-10) in a solid-liquid mass ratio of 1: (2-5), and then putting the mixture into a ball mill for wet milling and co-dissolving to obtain a mixture; mixed slurry is obtained; the polymer material is one or more of a fluorine-containing polymer, an oxygen-containing aromatic hydrocarbon polymer and an oxygen-containing polysaccharide polymer. According to the thermal bonding eutectic melting method, asphalt can be directly used as a main precursor to prepare various carbon materials in a targeted manner, and the carbon materials are applied to various battery systems; the carbon material manufactured according to the invention can ...

Temperature control method, device and system for lubricating oil of transmission test bed

The invention provides a transmission test bed lubricating oil temperature control method, device and system. The transmission test bed lubricating oil temperature control method comprises the following steps: acquiring a preset transmission lubricating oil temperature; the gearbox lubricating oil temperature collected by a lubricating oil temperature sensor at the current moment is obtained; a control signal is generated according to the preset gearbox lubricating oil temperature and the gearbox lubricating oil temperature at the current moment; and the control signal is sent to a lubricating oil temperature adjusting device, so that the lubricating oil temperature adjusting device adjusts the temperature of lubricating oil according to the control signal. According to the lubricating oil temperature control method for the transmission test bed, the oil temperature of the automatic transmission is accurately and automatically controlled, and the test requirements of the automatic transmission ...

Digital playback circuit and playback method for image display

Built-in machine vision measurement and control system

The invention relates to an embedded machine vision observing and controlling system, which comprises a DSP, an FPGA for controlling image acquisition, a CCD acquisition module, an SDRAM memory for storing images, a memory operation system, a FLASH memory for configuring information and application programs, and an Ethernet interface, wherein the CCD acquisition module is connected with the FPGA which is respectively connected with the SDRAM memory and the DSP through an EMIF bus; the DSP is respectively connected with the SDRAM memory and the FLASH memory through the EMIF bus and connected with the Ethernet interface through an EMAC; and the Ethernet interface is connected with a PC or an intelligent terminal through a router. The embedded machine vision observing and controlling system has the advantages that the embedded machine vision observing and controlling system adopts a DSP and FPGA processor integrated mode, can realize equalization treatment of the burden and improve the treatment ...

Preparation method of reductive thermal conversion derived easy-to-recover Co-C catalyst and application in preparation of hexamethylenediamine

The invention discloses a preparation method of a reductive thermal conversion derived easy-to-recover Co-C catalyst and application of the catalyst in preparation of hexamethylenediamine. Specifically, a metal salt coordination precursor with uniform phase components and a regular structure is formed by metal ion salt and a carbon-based material under a certain condition, and thermal reduction is carried out in a specific atmosphere and a specific heating program to derive a Co-C catalyst with metal nanoparticles coated with a carbon shell; by controlling the heating rate and the reduction thermal conversion temperature, the size-controllable preparation of the catalyst particles can be realized. The catalyst is applied to the adiponitrile hydrogenation process, and according to the method, in part of embodiments, the conversion rate of adiponitrile can reach 100% at most under mild reaction conditions, and the selectivity of hexamethylenediamine can reach 90%. The catalyst preparation ...

Linear sliding rail with air injection dust removal device

The invention provides a linear sliding rail with an air injection dust removal device. The linear sliding rail comprises a sliding rail body, a sliding block and the air injection dust removal device. The air injection dust removal device comprises a sleeve rail part which is arranged on the sliding rail in a surrounding mode. The air inlet is communicated with an air pressure source; the main runner is communicated with the air inlet hole; the plurality of secondary runners are communicated with the main runner; each secondary flow channel is sequentially configured from small to large according to the distance from the air inlet hole to the flow carrying surface of the secondary flow channel; and the flow outlet channel is annularly arranged on the sleeve rail part and is communicated with each secondary flow channel. Therefore, the sliding rail is completely and uniformly dedusted all around.

Electric heating and drying drum for spinning

The invention provides an electric heating and drying drum for spinning. The electric heating and drying drum comprises a drum body and heating pipes, wherein one end, the center of which is connected with a connecting shaft, of the drum body is sealed; the other end, the center of which is connected with a rotating shaft, of the drum body is sealed by a cover plate; the drum body is internally provided with an inner cavity; the side wall of the drum body is internally wound with the heating pipes; a controller is arranged on the inner side of the cover plate; the controller is connected with the heating pipes; the controller is connected with the outside through an electric connecting wire which penetrates through the rotating shafts. According to the electric heating and drying drum provided by the invention, an electric heating technology is combined with the drum, so that fabrics are dried during transmission of the drum, and the energy consumption is greatly reduced; the electric heating ...

Internal insulating device for fixed gap overvoltage protector

The invention discloses an internal insulating device for a fixed gap overvoltage protector and relates to insulation equipment for overvoltage protectors. The internal insulating device is characterized in that an arrester mandrel is formed by connecting an upper electrode, a resistor disc, a middle electrode and an insulator sequentially from top to bottom; the outside of the arrester mandrel is covered with a composite sheath; a discharge ball I is horizontally mounted on the middle electrode; the insulator is mounted on a non-slip support; a discharge ball II coaxial with the discharge ball I is horizontally mounted on the non-slip support; an insert is arranged in the top of the insulator and is bid end up; the upper portion of the insert is cylindrical, and the lower portion of the insert is a polygonal post; the middle of the polygonal post is provided with a circular groove; the upper end of the insert is provided with a counterbore; the inner wall of the counterbore is provided ...

Preparation method and application of hard carbon material

The invention relates to a preparation method and application of a hard carbon material, and the preparation method of the hard carbon material provided by the invention comprises the following steps: carrying out ball milling on asphalt in a mechanical ball mill to obtain asphalt powder with the particle size of 100-500 meshes; the obtained asphalt powder is put into a plasma ball mill for pretreatment, and doped asphalt powder is obtained; according to the pretreatment method, the ball milling rotating speed is 900-1500 rpm, and the ball milling time is 1-6 h; the obtained doped asphalt powder is subjected to high-temperature carbonization in an argon atmosphere, the hard carbon material is obtained, the carbonization temperature is 1000-1500 DEG C, and the carbonization time is 2-6 h. According to the method, plasma ball milling is adopted for doping pretreatment of preparing the hard carbon from the asphalt, and doping elements and doping amount can be regulated and controlled by regulating ...

Vehicle communication method and device, electronic equipment and storage medium

The invention relates to a vehicle communication method and device, electronic equipment and a storage medium, and the method comprises the steps: obtaining first data and a vehicle type of a current vehicle, the first data being communication data uploaded by the current vehicle; calling a first conversion relation model matched with the current vehicle model, wherein the first conversion relation model is a conversion model of a pre-stored communication data representation form; and converting the representation form of the first data into a first representation form according to the first conversion relation model, wherein the first representation form is a data form which can be identified and used by the application software. Through the pre-stored conversion relation models corresponding to the different vehicle types, the representation forms of the communication data of the different vehicle types are converted into the data forms which can be identified and used by the application ...

10-kilovolt bare conductor emergency treatment insulating sheath

The invention provides a 10-kilovolt bare conductor emergency treatment insulating sheath. The 10-kilovolt bare conductor emergency treatment insulating sheath is characterized by comprising a compound insulation jacket, symmetric notches and a die cavity, wherein the compound insulation jacket is in an arc shape, the left end and the right end of the compound insulation jacket are each provided with one symmetric notch, the die cavity is located in the compound insulation jacket, an N-pole magnet is installed in the left symmetric notch, and an S-pole magnet is arranged in the right symmetric notch. The 10-kilovolt bare conductor emergency treatment insulating sheath has the advantages that the 10-kilovolt bare conductor emergency treatment insulating sheath is additionally arranged on a 10-kilovolt line across or nearby a pond, so that even if a fishing pole (or a fishing line) makes contact with the power line, the fishing pole (or the fishing line) is prevented from making direct contact ...

Take disconnector fixed interval overvoltage protection device

The utility model discloses a take the fixed interval overvoltage protection device of disconnector, arrester that its structure has a insulated wire is through insulation support and antiskid fall installing support and the hookup of insulator circuit cross arm, the arrester leads through insulating copper and connects puncture larynx hoop, puncture larynx hoop and the built on stilts insulated wire hookup of 10kV, the built -in insulator of lower part installation arrester of taking the insulated wire arrester, establish right discharge electrode base between the built -in insulator of arrester and arrester, the right side discharge electrode be connected with right discharge electrode base, the lower part of the built -in insulator of arrester links to each other with the one end of disconnector, the other end of disconnector is through naked copper wire and the antiskid installing support that falls, insulation support's B fixed orifices hookup. The advantage: discharge gap exempts ...

Cylinder bag deduster blowback ash removal control apparatus and method thereof

The invention discloses a cylinder bag deduster blowback ash removal control apparatus and a method thereof. The apparatus comprises a control system, a dedusting box body, cylinder blowback mechanisms arranged in the dedusting box body, and control units; and the quantity of the control units is 2 or more, each of the control units contains one or more cylinder blowback mechanisms in the dedusting box body, and the cylinder blowback mechanism in the control units are connected with the control system. The method is characterized in that the cylinder blowback mechanisms are divided into above two control units, the control units start one by one according to an order assigned by the control system, and the order is not the tandem arrangement order of the control units, but a selective saltatory order. The control unit close to the air inlet end of the dedusting box body can be controlled by the system to start several times within an ash removal cycle period, so too early failure of a filter ...

Rare earth polishing powder and preparation method thereof

The invention discloses rare earth polishing powder and a preparation method thereof. The polishing powder comprises cerium oxide CeO2 and lanthanum oxide La2O3, wherein the total rare earth amount TREO is over 90 weight percent; and meanwhile, the cerium oxide CeO2 accounts for 75 to 80 percent and the lanthanum oxide La2O3 accounts for 20 to 25 percent of the total rare earth amount TREO of 739-2 type rare earth polishing powder. In order to ensure necessary grinding velocity, a fluorine F element having chemical action is added in a wet synthesis process and the initial forming of product granularity is controlled to make the grinding velocity higher and reduce the damage to a grinding surface.

Bactrian camel milk production character related gene EVX2 and application thereof as molecular marker

The invention belongs to the technical field of biology, and particularly relates to a bactrian camel milk production character related gene EVX2 and application thereof as a molecular marker. According to the molecular marker, 162 bactrian camels are subjected to genome re-sequencing by utilizing a next-generation sequencing technology, and the molecular marker related to high/low non-fat solid rate in the bactrian camel milk in the EVX2 gene is identified by carrying out whole-genome association analysis on the non-fat solid rate character of the camels. When the marker is located at a 48754135bp site of a chromosome 5, Cgt occurs; a single base mutation (g.48754135Cgt; a) the mutation site can improve the non-fat solid rate of camel milk, and molecular marker-assisted selection can be carried out aiming at the camel non-fat solid rate character of bactrian camels by utilizing the marker.

Hard carbon material applied to sodium ion battery and preparation method of hard carbon material

The invention relates to a hard carbon material applied to a sodium ion battery and a preparation method thereof.The hard carbon material is prepared by mixing a biomass material and asphalt according to the mass ratio of 10: 1-1: 10 and then conducting carbonization, the specific surface area of the hard carbon material is 4-6 m < 2 >/g, the pore size is 6-8 nm, and the lattice spacing is 0.385-0.39 nm; the mixing method is a mechanical mixing method or a chemical mixing method; the mechanical mixing method is an acoustic resonance mixing method; the chemical mixing method is an acetic acid/methylimidazole composite solvent co-melting method. According to the technical scheme provided by the invention, the hard carbon material produced by mixing a specific biomass material with asphalt can provide high initial capacity, high first-circle coulombic efficiency and strong capacity stability when being applied to the sodium ion battery.

High school's natural sciences mathematics drafting instrument

The utility model provides a high school's natural sciences mathematics drafting instrument, belong to high school natural sciences field, this drafting instrument includes the ruler, scale no. 1 has on the ruler, it has the auxiliary scale to slip on the ruler, one of ruler is served and has been linked firmly the mounting bar, the upper end of mounting bar has spacing hole, the spacing downthehole mounting that has, the mounting includes magnetism post and fixed head, the spring has between fixed head and the magnetism post, the telescopic link has between mounting bar upper end and the auxiliary scale, the auxiliary scale upper end has the chalk hole, the auxiliary scale lower extreme has fixed subassembly, fixed subassembly is including being the fixed block that arc and magnetic material made, the one end of fixed block articulates at the auxiliary scale lower extreme, the other end of fixed block can adsorb on the ruler, the ruler bottom has linked firmly and has been the semicircular ...

Preparation method of high efficient rare-earth paint drier

The invention discloses a preparation method of efficient rare-earth paint drier, taking isooctanoic acid, sodium hydroxide, lanthanum cerium solution, 200# solvent oil, water and corresponding auxiliary agent as main raw materials to prepare the efficient rare-earth paint drier, controlling the concentration of organic acid, the concentration and saponification rate and saponification time of the saponification agent, the extraction time and the addition quantity of auxiliary agent to ensure that the drier can reach set metal content and optimized drying performance. The results show that all technical indexes of the rare-earth drier prepared by the method can reach the national standard, satisfy application requirements of various paints, and overcome the shortage that the sample plate of the rare-earth drier in white alkyd ready mixed paint gets dark. The content of metal of the rare-earth paint drier prepared by the method is 4% to 10%, and the appearance is clean and transparent, no ...

Bactrian camel milk fat percentage related gene CARD11 and application thereof as molecular marker

The invention belongs to the technical field of biology, and particularly relates to a bactrian camel milk fat rate related gene CARD11 and application of the bactrian camel milk fat rate related gene CARD11 as a molecular marker. The invention discloses a gene CARD11 related to the milk production character of a bactrian camel, a breeding method for auxiliary selection by using a single nucleotide polymorphism (SNP) of the gene CARD11 as a molecular marker, and application of the gene CARD11. According to the invention, the site of the CARD11 gene related to high/low butter-fat percentage in the lactation character of the bactrian camel is found through research for the first time, and a candidate gene is provided for breeding a bactrian camel variety with excellent character and improving the quality of camel milk. According to the molecular marker, 162 bactrian camels are subjected to genome re-sequencing by utilizing a next-generation sequencing technology, and the molecular marker ...

Transient enhancement circuit applicable to low dropout regulator

The invention discloses a transient enhancement circuit applicable to a low dropout regulator, and belongs to the technical field of integrated circuits. The transient enhancement circuit is a closed-loop control circuit comprising a buffer, an output voltage transient change induction circuit and output MOS (metal oxide transistor) tubes. An input end of the buffer is used as an input end of the transient enhancement circuit, and an input end of the output voltage transient change induction circuit is used as an output end of the transient enhancement circuit. The transient enhancement circuit has the advantages that the low dropout regulator which is free of external capacitors and is adaptive to load change can be implemented by the aid of the transient enhancement circuit, currents of the output MOS tubes of the transient enhancement circuit can be mirrored into control signals of grid electrodes of the output MOS tubes by the aid of a current mirroring circuit principle, and accordingly ...

Bag-type dust collector for dust purification of asphalt station

The invention discloses a bag-type dust collector for dust purification of an asphalt station, which comprises a filter box, a plurality of filter bags are arranged in the filter box, a vertical pipe is arranged at the top of each filter bag, an exhaust hole located in an exhaust box is formed in each vertical pipe, the top end of each vertical pipe is communicated with an elastic corrugated pipe, the top end of each elastic corrugated pipe is communicated with a blowing branch pipe, and the blowing branch pipes are communicated with a blowing pipe. A Venturi tube moving up and down is arranged at the top of an inner cavity of the vertical tube, the Venturi tube is located above the exhaust hole during flue gas filtration, and the Venturi tube moves downwards to block the exhaust hole during reverse blowing and ash removal. The venturi tube is movably arranged in the vertical tube, the exhaust hole located below the venturi tube is formed in the vertical tube so that filtered flue gas can ...

Special insulation rod for single-column and all-insulated line connector

The invention discloses a special insulation rod for a single-column and all-insulated line connector. The special insulation rod for the single-column and all-insulated line connector comprises a handling rod, wherein the top part of the handling rod is connected with a line connector head; a concave and benched line connector sleeve is arranged at the top part of the line connector; the upper part of the inner chamber of the line connector is coaxially connected with an insulating sleeve; an arc-shaped limiting stopper, facing the center of a circle, is arranged on the inner wall of the insulating sleeve; the lower surface of the arc-shaped limiting stopper is an inclined plane. According to the special insulation rod for the single-column and all-insulated line connector, inspection, repair and maintenance are facilitated for operation staff; the working efficiency and the safety are improved; the popularization and application of the single-column and all-insulated line connector are ...

Potassium sulfate composite fertilizer and its production process

The invention relates to an organic fertilizer and its productive technique, which belong organic fertilizer and its productive technical field. Its characteristics is: the content of N+P2O5=K2Oí¦6%,that of organic substanceí¦30%; nitrogen; dispensation power whose nitrogen contentí¦46%, alkalinity and salinity harden whose P2O5 contentí¦14%, basic fertilizer and additional fertilizer : 5 whose K2O contentí¦50%; Its productive technique is: mix and sir -make particle- dry- cool-package.Its technological characteristics includes: (1) scientific dispensation, the N.P.K elements content í¦25% and its character is stable; (2)can reduce alkalinity and salinity of soil, so that prevent soil harden ; (3) can be used as basic fertilizer and additional fertilizer ; (4) wide range of application; (5) has remarkable effect to the agricultural products, increases their quality and period for staring is prolonged; (6) never contain any harmful content, with high productivity, effect and outstanding ...

Foundation pit excavation construction supporting method

The invention provides a foundation pit excavation construction supporting construction method which comprises the following steps that S1, a fence is arranged, a site is leveled, and a foundation pit is excavated in a preset area; s2, concrete is sprayed in a net mode while the side slope is excavated; s3, constructing a fender post, measuring and setting out a site in advance, pressing a pile casing into a set area, drilling the set area to form a hole, and installing a pre-woven reinforcement cage into the hole; s4, a crown beam and a concrete support are constructed, center lines and side lines of the crown beam and the concrete support are defined through surveying and setting out, then a set area is excavated, a formwork is erected after excavation, and concrete is poured; s5, latticed columns are constructed in the foundation pit; s6, concrete is sprayed to the construction face, and anchor rods are installed; s7, the plate rib type anchor rod retaining wall is constructed; and S8 ...

Bearing defect detecting technique based on embedded-type machine vision

The invention provides a bearing defect detecting technique based on embedded-type machine vision, which carries out on-line detection on defects of the bearing by using an embedded-type machine vision detecting and controlling machine and PC machine configuration interface software. The detection technique mainly comprises positive optical bearing surface defect detection technique, positive optical bearing concave surface defect detection technique, backlight bearing concave surface defect detection technique and side light bearing surface defect detection technique, wherein the positive optical bearing surface defect detection technique is used for detecting scratch, rusty spots, black rust and outer guide angle on the surface of the bearing; the positive optical bearing concave surface defect detection technique is used for detecting whether a bearing bracket has hollows; the backlight bearing concave surface defect detection technique is used for detecting whether the bearing has missing ...

A mould that is used for large -scale car starter motor shell of die -casting

The utility model provides a mould that is used for large -scale car starter motor shell of die -casting belongs to mould technical field. Originally, the mould that is used for large -scale car starter motor shell includes the cover half device, dynamic simulation device and two sides mechanism of loosing core, the cover half device includes the cover half frame, the cover half core, dynamic simulation device includes the movable mould frame, the movable mould core, the side is loosed core the mechanism and is included oblique guide pillar, the layering, the slider core and can be on the layering gliding slider, the guide pillar passes the slider to one side, the cover half core is close to the top of movable mould core one end and has seted up the 5th recess, first through -hole has been seted up to the movable mould in -core, wear to be equipped with the principal mode core that can partial stretch into the 5th recess in the first through -hole, be equipped with the several times core ...

Wind turbine maintenance auxiliary device

The present invention belongs to a wind turbine maintenance auxiliary device, including a sleeve joint component part, two sides of the sleeve joint component parts are provided with clamping component parts, the top end of the clamping component part is fixedly connected to a placing wire component part, the sleeve joint component part includes a sleeve joint shell, two sides of the surface of the sleeve joint shells are fixedly connected to torsion component parts. The device can that the internal vocal print collector receives the sound generated by the knocking to judge whether there is a problem in the internal structure of the tower body, it eliminates the risk of falling when the man-made suspension knocks on the tower, then, the bad phenomenon of falling objects from height is avoided.

Training method and prediction method for diagenetic parameter prediction model based on artificial intelligence algorithm

The present disclosure provides a training method and a prediction method for a diagenetic parameter prediction model based on an artificial intelligence algorithm, which includes: obtaining a plurality of diagenesis samples each including diagenetic condition parameters and an actual diagenetic parameter evolved therefrom; constructing an initial diagenetic parameter prediction model based on the diagenesis samples and a total dimension of the diagenetic condition parameters; and training the initial diagenetic parameter prediction model with the diagenesis samples so as to obtain a trained diagenetic parameter prediction model. The present disclosure can obtain a diagenetic parameter prediction model by training with the existing diagenesis samples, thereby solving problems of large amount of calculation, high uncertainty and large deviations in the prediction of the diagenetic parameters, which leads to a low evaluation accuracy of reservoirs and limits the oil and gas exploration.