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壁灯（105）

MULTI-FUNCTIONAL GOLF TRAVEL SUITCASE

Disclosed is a multi-functional golf travel suitcase, comprising an accommodating assembly (10) and a walking assembly (20), wherein the walking assembly (20) is mounted on the accommodating assembly (10). The accommodating assembly (10) comprises a base (11) and a suitcase body (12), the base (11) is provided at the bottom part of the suitcase body (12), and rollers (111) are provided on two sides of the base (11). The walking assembly (20) comprises a cover plate (21), a support member (22) and a walking member (23), wherein the cover plate (21) is movably connected with the suitcase body (12), the support member (22) is movably provided between the cover plate (21) and the suitcase body (12), and the walking member (23) is detachably provided at the bottom part of the cover plate (21).

可伸缩防水手机盒

硅胶敷脸冰格

壁灯（103）

硅胶炸锅盘

Ultrasonic vibration cleaning device for twisting and connecting drum wheel of cigarette making machine

The invention discloses an ultrasonic vibration cleaning device for a twisting and connecting drum wheel of a cigarette making machine. The ultrasonic vibration cleaning device comprises an inner side plate, an outer side plate, a cleaning brush, a motor transmission assembly and a lifting assembly, the motor transmission assembly comprises a servo motor, a transmission gear assembly, a synchronous cog belt, a sliding bearing and a brush shaft, the transmission gear assembly comprises a driving gear and a driven gear, an output shaft of the servo motor is sleeved with the driving gear, the outer end of the brush shaft is sleeved with the driven gear, and the driving gear and the driven gear are connected through the synchronous cog belt; the lifting assembly comprises a base, an air cylinder and an air cylinder pull rod, the base is arranged at the bottoms of the inner side plate and the outer side plate, the air cylinder is arranged below the base, and the air cylinder pull rod is arranged ...

POLYMER COMPOSITE FILM AND PREPARATION METHOD THEREFOR AND LITHIUM ION BATTERY COMPRISING SAME

A polymer composite film and a preparation method therefor, and a lithium ion battery comprising the same. The polymer composite film comprises a polymer base film; the polymer base film comprises a first surface and a second surface which are disposed opposite to each other; the polymer composite film further comprises: a first ceramic layer, a first heat-resistant fiber layer, and a first bonding layer, which are sequentially disposed, from inside out, on the first surface of the polymer base film; the material of the first heat-resistant fiber layer contains both a first polymer material and a second polymer material, the first polymer material being a heat-resistant polymer having a melting point above 180℃; the melting point of the second polymer material is lower than that of the first polymer material, and the second polymer material has a liquid absorption rate of 40% or above in an electrolyte at 25℃, an error thereof being ±5%. Employing the first polymer material and the second ...

POLYMER COMPOSITE FILM, PREPARATION METHOD THEREFOR, AND LITHIUM-ION BATTERY

Disclosed are a polymer composite film, a preparation method therefor, and a lithium-ion battery comprising the same. The polymer composite film comprises a porous basement film and a heat-resistant layer covering on at least one side surface of the porous basement film, the heat-resistant layer comprises multiple sub heat resistant layers sequentially stacked, and the hole closing temperature of each sub heat-resistant layer in a direction from the inside to the outside gradually increases. Each sub heat-resistant layer comprises a first heat-resistant polymer material and/or a second heat-resistant polymer material and separately has a fiber network structure. The melting point of the first heat-resistant polymer material is not less than 200ºC, and the melting point of the second heat-resistant polymer material is not less than 100ºC.

SINGLE CELL, POWER BATTERY PACK, AND ELECTRIC VEHICLE

A single cell, a power battery pack, and an electric vehicle. The single cell comprises: a cell body, the cell body having a length L, a width H, and a thickness D. The length L of the cell body is greater than the width H, the width H of the cell body is greater than the thickness D, and the length L of the cell body is greater than 600 mm; the length L and the width H of the cell body satisfy: L/H=4-21.

POWER BATTERY PACK AND ELECTRIC VEHICLE

A power battery pack and an electric vehicle. The power battery pack is fixed on the electric vehicle and is used for providing power for the electric vehicle. The power battery pack comprises a pack body and multiple single batteries provided in the pack body; each single battery has the length of L0, the width of H0, and the thickness of D0; at least one single battery satisfies that: L0>H0≥D0, and the length direction of the single battery extends along the width direction of the vehicle body of the electric vehicle, and in the width direction of the electric vehicle, the sum of the length L0 of the single battery and the size W of the vehicle body of the electric vehicle in the width direction satisfy that: 46%≤L/W≤76%; or, at least one single battery satisfies that: L0>H0≥D0, and the length direction of the single battery extends along the length direction of the vehicle body of the electric vehicle, and in the length direction of the electric vehicle, the sum of the length L0 of the ...

BATTERY SEPARATOR AND LITHIUM ION BATTERY AND PREPARATION METHOD OF SAME

The present disclosure relates to the field of lithium ion batteries, and wherein a battery separator and a lithium ion battery and a preparation method of the same are disclosed. The battery separator comprises a porous base membrane and an adhesive layer attached on at least one side surface of the porous base membrane, the adhesive layer containing an acrylate crosslinked polymer and a styrene-acrylate crosslinked copolymer and/or a vinylidene fluoride-hexafluoropropylene copolymer, and having a porosity of 40-65%.

Lifting type transportation equipment of sand box for casting

The invention discloses lifting type transportation equipment for a casting sand box, and relates to the technical field of sand box transportation, the lifting type transportation equipment comprises a base, a platform is arranged above the base, an adjusting mechanism is arranged above the platform, and the adjusting mechanism comprises a square groove, a conveying belt support, a first sliding rod and two servo motors; the square groove is formed in the upper surface of the platform, four electric push rods are fixedly connected to the inner wall of the square groove, the conveying belt support is fixedly connected with the telescopic ends of the four electric push rods, and an output rotating shaft of each servo motor is fixedly connected with a rotating rod. According to the sand box transportation device, through mutual cooperation of the adjusting mechanism and the platform, when a sand box is transported, comprehensive protection is conducted through the sealing cover and the four ...

POWER BATTERY PACK AND ELECTRIC VEHICLE

A power battery pack and an electric vehicle. The power battery pack comprises: a pack body; and a plurality of battery cells, the plurality of battery cells being directly arranged side by side within the pack body. The battery cells extend from a first side of the pack body to a second side of the pack body, the first side and the second side are provided opposite each other, the first side of the pack body is provided with a first side wall, and the second side of the pack body is provided with a second side wall. One ends of the battery cells are supported by the first side wall, and the other ends of the battery cells are supported by the second side wall.

Gel system capable of quickly gelling under high-temperature and high-salt conditions and preparation method of gel system

The invention provides a gel system capable of rapidly gelling under high-temperature and high-salt conditions and a preparation method of the gel system, and relates to the technical field of oilfield chemistry, and the gel system is composed of a low-molecular-weight phenolic prepolymer, polyethylene glycol, a polymer and a saline water system. The gel system capable of rapidly forming gel can rapidly form gel in a short time, and thoroughly solves the problem that the gel in a high-temperature and high-salt fracture-cavity oil reservoir is diluted by formation water, so that the gel is poor in strength or is not formed. The product adapts to oil reservoirs with the formation temperature being 150 DEG C or below and the mineralization degree being larger than 20 * 10 < 4 > mg/L.

POLYMER MEMBRANE AND PREPARATION METHOD THEREFOR AND APPLICATION THEREOF, AND LITHIUM ION BATTERY

Disclosed are a polymer membrane and a preparation method therefor and a lithium ion battery comprising the polymer membrane. The polymer membrane includes a porous substrate, a hydrophilic blocking layer, and a porous polar polymer bonding layer; the hydrophilic blocking layer is disposed on at least one surface of the porous substrate, and the hydrophilic blocking layer is disposed on the surface of the hydrophilic blocking layer away from the porous substrate.

BATTERY SYSTEM AND ELECTRIC AUTOMOBILE

A battery system and an electric automobile, the battery system comprising at least one series circuit; provided in the series circuit are a pouch cell and at least one first single battery which is in series connection with the pouch cell, and provided on the first single battery is a current interrupt device; the current interrupt device of the first single battery is used to interrupt the internal current of the first single battery when an abnormality occurs in at least one from among the pouch cell and the first single battery.

Foldable handcart of baby

... 本实用新型涉及一种婴儿折叠式手推车。该实用新型的婴儿折叠式手推车包括手把管、前脚管、车架及装在车架上的轮子，手把管两端分别通过可折叠的第一关节与前脚管连接；前脚管通过可折叠的第二关节与车架连接；车架与轮子之间通过可折叠的第三关节连接。操作中，只需按下手把管上的按钮并向前推动手把管可实现手把管、前脚管及车架间的连续折叠，按下第三关节上的按钮，并通过简单的拉与旋转的动作，即可实现车轮与车架之间的折叠。该实用新型结构简单，折叠后体积较小，且操作与携带便捷。 ...

Compact shelving moving method and device based on current control, electronic equipment and medium

The invention relates to the field of automatic control technologies, in particular to a compact shelving moving method and device based on current control, electronic equipment and a medium. The compact shelving moving method based on current control is executed by electronic equipment, the electronic equipment is connected with a driving device, the driving device is used for controlling each goods shelf to move under the driving of driving current, and the method comprises the steps that when an archive taking and placing instruction is received, the goods shelf where archives are to be placed or located is determined, determining the shelf as a target shelf, wherein the file taking and placing instruction is used for representing an instruction input when the user wants to check or place the file; based on the target goods shelf, determining to-be-moved goods shelves corresponding to the target goods shelf and to-be-moved positions corresponding to the to-be-moved goods shelves; and ...

POLYMER SEPARATOR, PREPARATION METHOD THEREFOR AND USE THEREOF, AND LITHIUM-ION BATTERY AND PREPARATION METHOD THEREFOR

Disclosed are a polymer separator and a preparation method therefor, and a lithium-ion battery containing the polymer separator and a preparation method therefor, wherein the polymer separator contains a porous substrate, a hydrophilic block layer and a porous polar polymer bonding layer, the hydrophilic block layer is provided between the porous substrate and the porous polar polymer bonding layer, and a pore wall of the porous polar polymer bonding layer has a nodule structure.

Exoskeleton transmission mode adopting gear four-bar mechanism

The invention relates to an exoskeleton transmission mode adopting a gear four-bar mechanism. The exoskeleton transmission mode comprises a thigh mechanism and a shank mechanism. The thigh mechanism comprises a thigh telescopic rod, a thigh driving motor, a thigh rod and a transmission gear set, the thigh telescopic rod is connected to the upper portion of the thigh rod in a sleeving mode, the transmission gear set is arranged on the outer side of the thigh rod and comprises a transmission small gear and a transmission large gear, and the transmission small gear is connected with the thigh driving motor; a transmission bull gear is meshed below the transmission pinion, and a fisheye bearing is fixedly connected to the surface of the transmission bull gear. The mechanism has the beneficial effects that the transmission pinion transmits kinetic energy of the thigh driving motor to the transmission bull gear, so that the transmission bull gear replaces a driving link in traditional four-link ...

BATTERY CELL, BATTERY MODULE AND AUTOMOBILE

A battery cell (100) comprises a housing (3), a cover plate (4), a terminal post (5) and an electrode core. The housing (3) comprises an opening (32) that is covered by the cover plate (4). The terminal post (5) is electrically connected to the electrode core and extends through the cover plate (4). The electrode core comprises an expansion end (11) provided with a terminal post fitting region (112) and an expansion region (111). The terminal post fitting region (112) is recessed with respect to the expansion region (111) to form a terminal post installation space. The terminal post (5) is at least partially disposed in the terminal post installation space. The cover plate (4) comprises a first plate member (41) covering a top surface of the expansion region (111), a second plate member (42) covering the terminal post fitting region (112) and a third plate member (43) connecting the first plate member (41) to the second plate member (42).

DUAL-GLASS PHOTOVOLTAIC CELL MODULE

A dual-glass photovoltaic cell module, comprising: a body (1), said body (1) comprising a first glass layer (11), a first encapsulation layer (12), a cell group layer (13), a second encapsulation layer (14), and a second glass layer (15) arranged in a sequential stack, the outer edges of the first glass layer (11) and the second glass layer (15) extending past the outer edges of the cell group layer (13); a layer of reflective coating being disposed on the second glass layer (15); an end sealing block, said end sealing block being arranged between the first glass layer (11) and the second glass layer (15) at the outer periphery of the first encapsulation layer (12), the cell group layer (13), and the second encapsulation layer (14); a rim (6) encapsulating the outer perimeter of the body (1), said rim (6) having a notch (60); and a junction box (4) being disposed at the notch (60).

DATA READING METHOD, DATA PROCESSING METHOD, AND RELATED STORAGE DEVICE

A data reading method and a storage device, which can improve the snapshot reading efficiency and the snapshot reading stability. The method comprises: receiving a data reading instruction, the data reading instruction comprising a volume identifier and a starting address (S401); determining a data block identifier according to the starting address (S402); determining an identifier of a snapshot volume where to-be-read data is located according to the volume identifier, the data block identifier and a preset correspondence, the preset correspondence comprising a correspondence among volume identifiers, data block identifiers and snapshot volumes identifiers (S403); and reading the to-be-read data from the snapshot volume corresponding to the determined snapshot volume identifier (S404). Also disclosed are a data processing method and the storage device for implementing the data processing method.

Treatment system and treatment process for water-based ink cleaning wastewater

The invention discloses a treatment system and a treatment process for water-based ink cleaning wastewater. The water-based ink cleaning wastewater treatment system comprises an air flotation reactor, a water outlet of the air flotation reactor is connected with a water inlet of a coagulation reactor, a water outlet of the coagulation reactor is connected with a water inlet of a solid-liquid separator, a filtrate outlet of the solid-liquid separator is connected with a water inlet of reduced pressure distillation equipment, and a water outlet of the reduced pressure distillation equipment is connected with a water outlet of the water-based ink cleaning wastewater. A distillation water outlet of the reduced pressure distillation equipment is connected with a water inlet of the pervaporation equipment, a thin liquid outlet of the pervaporation equipment is connected with a water inlet of the reverse osmosis membrane equipment, and a reverse osmosis produced water outlet of the reverse osmosis ...

Distribution network automation terminal pole-climbing-free operation and maintenance device

The invention discloses a distribution network automation terminal pole-climbing-free operation and maintenance device, and the device comprises a mechanical claw mechanism which comprises a clamping assembly, a tension assembly disposed at one end of the clamping assembly, and a tensioning assembly connected with the tension assembly; the adjusting mechanism comprises a sliding rod assembly connected with the tensioning assembly, a sliding control assembly arranged on one side of the sliding rod assembly, a fixing assembly arranged in the sliding rod assembly, a sliding shell connected with the sliding rod assembly and a handle assembly connected with the sliding shell. Operation and maintenance workers can adjust the height of the climbing-free rod according to actual conditions, the mechanical claw mechanism can be controlled to be opened by pressing a pressure handle through the handheld end, meanwhile, the telescopic mechanism is locked, the high-altitude operation frequency is reduced ...

Service configuration method and system based on Tomcat, terminal and storage medium

The invention relates to a Tomcat-based service configuration method and system, a terminal and a storage medium, and belongs to the technical field of computers, and the method comprises the following steps: obtaining a target software program; establishing a data interface according to the target software program; and generating result data according to the successfully established data interface. Therefore, when the system platform has the requirement for replacing the software program, the corresponding target software program can be matched for the system platform and replaced, so that the expenditure caused by respectively establishing the software program in a plurality of system platforms can be avoided, and the method has the effect of reducing the cost of cross-platform multiplexing of the software program.

INSTALLATION BLOCK, SOLAR CELL ASSEMBLY AND SOLAR PHOTOVOLTAIC PLANT SYSTEM

An installation block (2) which is used for installing a solar cell assembly (1) and a bracket cross beam (4), comprising an assembly fixing part (21), a cross beam installing part (22) and a locating piece (23), wherein the assembly fixing part (21) is suitable to be installed on a back surface of the solar cell assembly (1); the cross beam installing part (22) is connected to the assembly fixing part (21), and is suitable to be installed on the bracket cross beam (4); and the locating piece (23) is arranged on the assembly fixing part (21) or the cross beam installing part (22), and the locating piece (23) is suitable for cooperating with the bracket cross beam (4) to conduct locating, so as to locate the installation block (2) on the bracket cross beam (4). Also provided are a solar cell assembly (1) and a solar photovoltaic plant system.

Novel vibration discharging device

The utility model discloses a novel vibration blanking device, which relates to the technical field of mechanical vibration blanking and comprises a fixing device, a vibration device, a discharging device, a first blanking mechanism and a second blanking mechanism. The upper surface of the vibration device is connected with the lower surface of the discharging device, the second discharging mechanism is arranged on the upper surface of the discharging device, and the first discharging mechanism is arranged on the upper surface of the second discharging mechanism. Vibration blanking operation of the whole device is achieved through the vibration device, meanwhile, the blanking mechanism is provided with the segmented blanking bins, the vibration effect of the vibration device is improved, the phenomenon that materials are affected by moisture, and consequently a cone part of a blanking opening is blocked is effectively avoided, the workload of workers for cleaning blocked materials is reduced ...

PHOTOVOLTAIC CELL MODULE

A photovoltaic cell module, comprising: a transparent upper cover plate (11), a first liquid silica gel encapsulation layer (12), a cell group layer (13), a second liquid silica gel encapsulation layer (14), and a back plate (15) arranged in a sequential stack, the outer edges of the transparent upper cover plate (11) and the back plate (15) extending past the outer edges of the first liquid silica gel encapsulation layer (12), the cell group layer (13), and the second liquid silica gel encapsulation layer (14), and an end sealing block being (3) arranged between the transparent upper cover plate (11) and the back plate, the end sealing block (3) being positioned at the outer periphery of the first liquid silica gel encapsulation layer (12), the cell group layer (13), and the second liquid silica gel encapsulation layer (14).

BATTERY PACK, VEHICLE, AND ENERGY STORAGE DEVICE

Disclosed are a battery pack, a vehicle, and an energy storage device. The battery pack comprises a battery array and a support, wherein the battery array comprises several single batteries; each of the single batteries has a first size, which is the maximum value of the distance between two parallel planes for virtually clamping the single battery; and at least one of the single batteries satisfies: 600 mm ≤ the first size ≤ 2500 mm. The battery pack further comprises a shell, and an electrode core located in the shell; and the shell is provided with a support area, through which the single batteries are connected in butt-joint with the support and are supported on the support. The support is connected in butt-joint with the support area to support the single batteries.

Cold continuous rolling process

The invention discloses a cold continuous rolling process, and relates to the technical field of strip steel production. The cold continuous rolling technology comprises the steps that steel coils are welded, and the two adjacent steel coils are connected into strip steel; the welded strip steel is stretched in the sequential connection direction of the steel coils, and oxide on the surface of the stretched strip steel is removed; removing an oxide layer on the surface of the strip steel in a physical mode of spraying mixed mortar on the surface of the strip steel, wherein the mixed mortar is a mixed solution of steel grit, water and a water-based antirust agent; trimming the strip steel to a preset width and rolling the strip steel to a preset thickness; and coiling to obtain the coiled material. According to the process, the purpose of removing the oxide scale on the surface of the strip steel can be achieved without using acid liquor and acid regeneration treatment, environmental pollution ...

Electromagnetic voltage transformer neutral point inrush current suppression method

The invention discloses a neutral point inrush current suppression method for an electromagnetic voltage transformer, and belongs to the technical field of excitation inrush current limiting methods. The method comprises the following steps: S1, dividing an electromagnetic voltage transformer based on a YNy0 connection method into a neutral point ungrounded system and a neutral point grounded system; s2, aiming at a neutral point ungrounded system, analyzing a three-phase simultaneous closing strategy and a voltage transformer neutral point excitation surge current condition under a strategy of closing two phases first and then closing a third phase; s3, aiming at the neutral point grounding system, analyzing the excitation surge current condition of the neutral point of the voltage transformer under the sequential closing strategy; s4, summarizing and concluding the change rule of the closing magnetic flux by combining the analysis results in S2 and S3; s5, based on the rule obtained in ...

POLYMER MEMBRANE, MANUFACTURING METHOD THEREFOR, AND LITHIUM-ION BATTERY

A polymer membrane, a manufacturing method therefor, and a lithium-ion battery comprising the polymer membrane. The polymer membrane comprises a porous substrate, a hydrophilic blocking layer provided on at least one surface of the porous substrate, and a porous polar polymer bonding layer provided on the surface of the hydrophilic blocking layer away from the porous substrate, the hydrophilic blocking layer comprising an adhesive agent and hydrophilic inorganic particles, and the porous polar polymer bonding layer comprising a polar polymer.

DUAL-GLASS PHOTOVOLTAIC CELL MODULE AND RIM FOR SAME

A dual-glass photovoltaic cell module and rim (6) for same. The rim (6) is a sealing strip bent to form an integral rim, said rim (6) forming a frame structure, the cross-section of the rim (6) having a U-shaped groove (61).

EVACUATION INDUCTION SYSTEM FOR TUNNEL

An evacuation induction system for a tunnel, comprising LED evacuation induction lamps distributed along a tunnel, a visibility sensor for measuring the visibility in the tunnel, a control apparatus for adjusting the brightness of the LED evacuation induction lamps according to the visibility obtained by measurement and determining an allowable maximum vehicle speed in the tunnel under the conditions of the measured visibility, an LED display for displaying the allowable maximum vehicle speed, a first electronic eye and a second electronic eye which are used for monitoring the vehicle speed in the tunnel, and a communication apparatus for realizing data communications with various devices and realizing communications with a local traffic system network. The purposes of adjusting and monitoring the visibility in a tunnel and controlling the operating speed of a vehicle according to the visibility in the tunnel can be realized, thereby being beneficial to reducing the occurrence probability ...

Underground supporting and anchoring equipment and method for building construction

The building construction underground supporting and anchoring equipment comprises a prefabricated pipe, the prefabricated pipe penetrates through the side wall of a foundation pit, a limiting mechanism is arranged on the left side of the prefabricated pipe, and the limiting mechanism comprises a top plate, a reinforcing plate and a positioning plate. A sealing sleeve and a limiting strip can limit the two ends of a guide pipe correspondingly, the mounting position of the guide pipe can be limited, an auxiliary strip and an annular pipe can assist in position adjustment of a supporting strip, the pouring area in a foundation pit is increased, adjustment of a first supporting rod can be guided through a top plate and a guide plate, and the construction efficiency is improved. The contact area of the side wall of the foundation pit is increased through the positioning plate and the inserting rod, the supporting effect can be improved, deformation of the foundation pit can be reduced, meanwhile ...

Composition for pavement crack grouting repair, pavement crack grouting repair material and preparation method of pavement crack grouting repair material

The invention provides a composition for pavement crack grouting repair, a pavement crack grouting repair material and a preparation method of the pavement crack grouting repair material. The grouting repair composition comprises 25-55 parts by weight of coal gangue, 5-35 parts by weight of red mud, 30-40 parts by weight of slag, 10-30 parts by weight of bentonite, 18-22 parts by weight of an alkali activator, 0.1-0.5 part by weight of plastic foam and 2-5 parts by weight of cationic emulsified asphalt, wherein the total amount of the coal gangue, the red mud, the slag and the bentonite is 100 parts by weight. The grouting repair material is prepared by mixing the composition for grouting repair with water, and the water-binder ratio is 0.4-0.5. Under the cooperation of the coal gangue, the red mud, the slag, the bentonite, the foamed plastic and the cationic emulsified asphalt, the grouting repair material is green, energy-saving, safe and environment-friendly, and the performance of the ...

RECYCLING METHOD FOR HIGH-SALT SALTY MUD CONTAINING SODIUM CHLORIDE AND SODIUM SULFATE

Provided is a recycling method for a high-salt salty mud containing sodium chloride and sodium sulfate. The method comprises: sequentially carrying out a Fenton-like treatment and a chlorine dioxide treatment to oxidize a salty mud solution in two stages, and then replacing the sodium salt with an ammonium salt to prepare sodium carbonate and a mixed ammonium salt. According to the method, a multi-stage oxidation treatment is adopted, components containing sodium chloride, sodium sulfate, etc. are effectively utilized, organic matter and heavy metals in the high-salt salty mud are fundamentally removed, recycling of the salty mud is realized, the landfill disposal costs are saved, good economic benefits are generated, and good environmental benefits are also generated.

BATTERY PACK AND ELECTRIC VEHICLE

A battery pack and an electric vehicle. The battery pack comprises: a pack body; and a plurality of battery cells, the plurality of battery cells being provided within the pack body. The sum V1 of the volumes of the plurality of battery cells and the volume V2 of the battery pack satisfy V1/V2 ≥ 55%. The battery pack has a first direction and a second direction perpendicular to each other, the longitudinal direction of the battery cells is along the first direction of the battery pack, and the plurality of battery cells are arranged along the second direction of the battery pack. Each battery cell comprises a cell body, and the length of the cell body is 400-2500 mm.

SOLAR BATTERY SUPPORT AND SQUARE SOLAR BATTERY

Provided are a solar battery support and a square solar battery, said solar battery support comprising: a support post (10); a bearing housing (20), said bearing housing (20) being disposed on the upper end of the support post (10); on the bearing housing (20) is disposed a plurality of sand removal holes (2012) running through the side wall of the bearing housing (20); a bearing (30), said bearing (30) being rotatably disposed on the bearing housing (20); a through-hole (300) is provided on said bearing (30) and runs laterally through the bearing (30); and a rotating shaft (40), said rotating shaft (40) being fitted inside the through-hole (300) and said rotating shaft (40) rotating concomitantly with the bearing (30).

WELDING RETAINER AND WELDING PLATE

Provided is a welding retainer (1), comprising a substrate (11) and at least two fixing plates (12) provided on the substrate (11), wherein there are at least two oppositely arranged fixing plates (12) among the at least two fixing plates (12), so as to form at least one accommodation region (13) for accommodating a welding protection sleeve (2); for any one of the accommodation regions (13), at least one elastic arm (121) is provided on at least one of the fixing plates (12) forming the accommodation region (13), and the first elastic arm (121) is bent towards the accommodation region (13) in a natural state; a top end, facing away from the substrate (11), of the fixing plate (12) is further provided with a stopper (122); and when the welding protection sleeve (2) is mounted inside the accommodation region (13), the first elastic arm (121) is elastically deformed and fixes the welding protection sleeve (2) inside the accommodation region (13) by means of an elastic action force, and the ...

CFD (Computational Fluid Dynamics) intelligent simulation optimization method for axial fan

The invention discloses an axial flow fan CFD intelligent simulation optimization method, which comprises the following steps: firstly, formulating a CFD simulation calculation program, secondly, formulating a parameterized model, establishing intelligent connection between the parameterized model and the CFD simulation calculation program, and establishing an optimization platform, the platform automatically generates a new axial flow fan model according to the pre-established parameterized model by changing parameter setting, and the optimization platform is used for optimizing the CFD simulation calculation program according to the new axial flow fan model. Meanwhile, a CFD simulation calculation program is called to analyze and calculate a new axial flow fan model, after a calculation result is obtained, parameters are continuously optimized and improved, so that an automatic optimization cycle is formed, and then the optimal design obtained at the stage is automatically output after ...

FLAME-RETARDANT PACKAGE AND LITHIUM-ION BATTERY THEREOF

Provided is a flame-retardant package, comprising a package wall and a flame-retardant material wrapped in the package wall; the package wall comprises an outer membrane having a seal and insoluble in an electrolyte and a sealing membrane strip for sealing the seal; the package wall can keep the structure stable at the temperature less than 100°C to wrap the flame-retardant material in the package wall, and the sealing membrane strip can be softened and ruptured at 100-170°C, so that the package wall is ruptured and the flame-retardant material in the package wall is released out of the package wall. Also provided are a preparation method for the flame-retardant package and a lithium-ion battery containing the flame-retardant package. The lithium-ion battery can release the flame-retardant material in the lithium battery prior to thermal runaway, greatly reducing occurrence of safety accidents.

POWER BATTERY PACK AND ELECTRIC VEHICLE

A power battery pack and an electric vehicle, the power battery pack comprising: a pack body, an accommodating space being defined in the pack body, and at least one width direction beam or length direction beam being arranged in the pack body, the width direction beam extending along the direction of width of the power battery pack, and the length direction beam extending along the direction of length of the power battery pack, and the accommodating space being divided into a plurality of accommodating cavities by the width direction beam or the length direction beam; and a plurality of single cell batteries, the plurality of single cell batteries being disposed in the pack body and being directly arranged in the accommodating cavities, at least one single cell battery being arranged in each accommodating cavity to form a battery array. The power battery pack in the embodiments of the present application has the advantages of a high degree of space utilisation, high energy density, strong ...

BATTERY PACK, VEHICLE, AND ENERGY STORAGE DEVICE

A battery pack, a vehicle, and an energy storage device. The battery pack comprises a battery array and a support member; the battery array comprises a plurality of single cells, the single cells have a first size, and the first size is the maximum value of the distance between two parallel planes virtually clamping the single cell; at least one single cell satisfies the following conditions: the first size is greater than or equal to 600 mm and less than or equal to 2500 mm, and the single cell is supported on the support member; the normal direction of the two parallel planes corresponding to the first size is a Q direction; a battery placement area is formed in the battery pack, and the battery array is located in the battery placement area; the single cell extends from one side of the battery placement area to the other side of the battery placement area in the Q direction.

POLYMER COMPOSITE FILM AND PREPARATION METHOD THEREFOR AND LITHIUM ION BATTERY COMPRISING THE POLYMER COMPOSITE FILM

A polymer composite film and a preparation method therefor and a lithium ion battery using the polymer composite film. The polymer composite film comprises a porous base film and a heat-resistant fiber layer covering on at least one side surface of the porous base film; the material of the heat-resistant fiber layer contains a first high polymer material and a second high polymer material simultaneously; the first high polymer material is a heat-resistant high polymer material having a melting point higher than 180℃; and the second high polymer material has a melting point lower than that of the first high polymer material, and the second high polymer material, in electrolyte solution at 25℃, has an electrolyte uptake of greater than 40% with an error of ±5%. The first high polymer material and the second high polymer material are used to form the heat-resistant fiber layer, so that transport of lithium ions cannot be blocked; therefore, the ionic conductivity of the polymer composite film ...

LITHIUM ION BATTERY SEPARATOR AND PREPARATION METHOD THEREFOR, AND LITHIUM ION BATTERY

A lithium ion battery separator, comprising a porous base membrane and a heat resistant layer covering the surface of at least one side of the porous base membrane, the heat resistant layer containing a heat resistant polymer and inorganic nanoparticles, and the heat resistant layer having a fibrous mesh structure. Also disclosed is a preparation method for the lithium ion battery separator, and a lithium ion battery comprising the battery separator. The preparation method for the present lithium ion battery separator is simple, and the obtained lithium ion battery separator is flexible, stable under high temperatures, and has a low rate of thermal contraction and good mechanical strength in high temperatures.

Communication method and device

The invention relates to a communication method and device. A mobility management network element receives first request information from a terminal device, the first request information being used for requesting a first service, or being attachment request information or registration request information of the terminal device. And when the first request information belongs to the first type of information, the original receiving network element of the first type of information is a faulty mobile management network element, and the mobile management network element processes the first request information according to a flow control strategy of the first type of information. According to the embodiment of the invention, the mobility management network element can carry out flow control on the first type of information, the first type of information comprises information which should be processed by the failed mobility management network element, in this way, the influence on the user can ...

Communication protocol conversion method and device

The invention provides a communication protocol conversion method and device. The method comprises the following steps: running a first protocol process to poll data points in a first protocol point table; based on the first feature data of the first data point and a first communication protocol corresponding to the first protocol process, sending an acquisition command to a first bottom-end device corresponding to the first protocol point table; receiving and storing a variable value which is returned by the first bottom-end equipment in response to the acquisition command and corresponds to an acquisition path in the first characteristic data; running a second protocol process to poll data points in the second protocol point table; and based on second feature data of the second data point and a second communication protocol corresponding to the second protocol process, sending a variable value corresponding to an acquisition path in the second feature data to first main control equipment ...

BATTERY PACK, VEHICLE AND ENERGY STORAGE DEVICE

A battery pack, a vehicle, and an energy storage device, the battery pack comprising: a battery pack housing and a plurality of rectangular cells. The battery pack housing has a first direction and a second direction perpendicular to the first direction; the size of the battery pack along the first direction is greater than or equal to 600 mm, and at least one rectangular battery accommodating unit is formed in the battery pack housing; the plurality of rectangular cells are arranged along the second direction in the rectangular battery accommodating unit; the rectangular cells extend along the first direction, and each rectangular battery accommodating unit is internally provided in the first direction with one rectangular cell; the thickness of the rectangular cells is D, the length is L, and the height is H; the size of the battery pack along the first direction is greater than or equal to L; the length direction of at least one rectangular cell extends along the first direction from ...

Magnetron sputtering coating device

The invention relates to a magnetron sputtering coating device. The magnetron sputtering coating device comprises an outer shell; the inner barrel body is arranged in the outer shell body, a working cavity is defined by the outer wall of the inner barrel body and the inner wall of the outer shell body, and the working cavity is used for containing a base plate; the first mounting part is connected with the inner cylinder body, the first mounting part is arranged in a sunken mode towards the inner wall direction of the inner cylinder body relative to the working cavity, the first mounting part is provided with a first mounting cavity, the first mounting cavity is communicated with the working cavity, and in the working state, the first mounting cavity is in a vacuum state; and the first target material is arranged in the first mounting cavity. The working cavity and the first mounting cavity are communicated and are in a vacuum state, and one side of the inner wall of the inner barrel can ...

Inorganic gel for water shutoff of carbonate reservoir and preparation method of inorganic gel

The invention discloses inorganic gel for water shutoff of a carbonate reservoir and a preparation method of the inorganic gel, and belongs to the technical field of water shutoff of oil and gas field development. Wherein the inorganic gel comprises the following components in percentage by mass: 35-40% of a main agent, 5-10% of a suspending agent, 5-10% of a main exciting agent, 1-5% of an auxiliary exciting agent and the balance of water, and the main agent is fly ash; the suspending agent is an inorganic suspending agent; the main exciting agent is any one of chlorine salt, alkali and sulfate; the auxiliary exciting agent is sodium sulfite. The preparation method of the inorganic gel comprises the following steps: adding the exciting agent, the suspending agent and the auxiliary exciting agent into the distilled water according to the ratio, and stirring to uniformly disperse and completely dissolve the water-soluble chemical reagent; and adding the main agent, uniformly stirring and ...

Method for evaluating paraffin inhibition capability of paraffin inhibitor

The invention discloses a paraffin inhibition capability evaluation method for a paraffin inhibitor. The method comprises the following steps: acquiring a crude oil sample and a test sample obtained by adding a to-be-detected paraffin inhibitor into an original sample; after wax in the crude oil sample and the test sample is completely melted, monitoring the heat enthalpy value change states of the two samples in the heat release process; identifying a wax precipitation point of the test sample according to the enthalpy value change state of the test sample, and calculating a wax precipitation enthalpy change value of the test sample based on the wax precipitation point; and calculating the paraffin inhibition rate of the paraffin inhibitor to be detected according to the paraffin precipitation enthalpy change value of the test sample in combination with the enthalpy value change state of the crude oil sample. The paraffin inhibition capability evaluation result calculated by the method ...

Reaction process for two-stage hydrolysis of dimethyl dichlorosilane concentrated acid

The invention belongs to the field of dimethyl dichlorosilane concentrated acid hydrolysis reaction in the organic silicon industry, and particularly relates to a dimethyl dichlorosilane concentrated acid two-stage hydrolysis reaction process. The process comprises the following specific steps: carrying out hydrolysis primary reaction on dimethyldichlorosilane, circulating saturated hydrochloric acid and water, and adding an auxiliary agent; purifying and drying, enabling the purified siloxane to enter a second-stage reactor, and carrying out second-stage reaction; after the second-stage reaction is finished, performing oil-water separation on the mixture, and enabling hydrolysate to enter a washing section to obtain a final product. The dimethyl dichlorosilane provided by the invention is subjected to two-stage hydrolysis reaction, so that the content of chlorine-based end caps in the generated hydrolysate is greatly reduced, the acid content is low, and the quality of the hydrolysate ...

LEACHING DEVICE CAPABLE OF STIRRING AT BOTTOM

A leaching device capable of stirring at the bottom, and belonging to the technical field of leaching devices. Said leaching device is characterized by: comprising a plurality of leaching bins (15) arranged side by side and a screw conveyor (16); lower parts of the plurality of leaching bins (15) are communicated, the screw conveyor (16) is provided at the lower parts of the leaching bins (15) and is provided across all the leaching bins (15), the screw conveyor (16) is connected to a power device for driving the rotation thereof, and the upper part of each leaching bin (15) is provided with an overflow hole (2), each overflow hole (2) being connected, through an overflow pipe (3), to a delivery pump (5), an output end of the delivery pump (5) being in communication, through a counter flow pipe (9), with the leaching bin (15) at the front side in the delivery direction of the screw conveyor (16). The screw conveyor of the present leaching device capable of stirring at the bottom is provided ...

Batch configuration method

The invention relates to the technical field of system configuration, in particular to a batch configuration method. The batch configuration method comprises the following steps: initializing a target system; a user uses the online editor to modify parameters through the front end, the user does not need to input an execution command through command driving, operation is easy, and the requirement for the user is lowered. The modified data is sent to the server, and the server processes the data and then sends the data to the Redis module; the Redis module realizes high concurrency, and the agent program obtains data of middleware or a configuration file of a target system through the Redis module; and executing the corresponding command in the target system. According to the method, the position of a configuration file does not need to be fixed in advance, the front end can provide all common scene templates by self-checking the paths of all files needing to be modified, only a small number ...

Agrobacterium rhizogenes-mediated soybean cotyledon efficient genetic transformation method and used hair root infection assisting agent

The invention belongs to the technical field of biology and modern agriculture. The formula of the hair root infection assisting agent comprises 3.0 g/L to 3.5 g/L of a B5 culture medium, 28 g/L to 32 g/L of saccharose, 3.8 g/L to 4.0 g/L of MES, 38 mg/L to 42 mg/L of acetosyringone, 1.5 mg/L to 1.8 mg/L of 6-BA, 0.02 mg/L to 0.03 mg/L of gibberellin and 100 ml/L of a surfactant Silwet L-77, and the pH value of the hair root infection assisting agent is 5.4. The invention also discloses an agrobacterium rhizogenes-mediated soybean hairy root induction transformation method by using the rooting infection assisting agent. The method comprises the following steps: disinfecting and germinating soybean seeds; resuspending the agrobacterium rhizogenes of the target expression plasmid in the rooting-assisted infection agent to obtain an agrobacterium rhizogenes-assisted infection solution; performing infection; co-culture is performed; screening positive roots.

Industrial internet identifier analysis authentication interface and method

The invention provides an industrial internet identification analysis authentication interface and method, and relates to the technical field of identification analysis. The authentication interface is arranged between the secondary node and the enterprise node and is used for managing, analyzing and counting all enterprise node identification registration data; a plurality of authentication interfaces can be in butt joint with one secondary node upwards, and one authentication interface can be in butt joint with a plurality of enterprise nodes downwards. The authentication interface is connected with the second-level node upwards and complies with a second-level node interface protocol, and is connected with the enterprise node downwards and complies with the second-level node interface protocol. Through the authentication interface, identification quantity application, identification registration template application, identification registration application and identification analysis ...

Neutral point inrush current suppression device for electromagnetic voltage transformer

The invention relates to the technical field of inrush current suppression devices, and discloses an electromagnetic voltage transformer neutral point inrush current suppression device which comprises a shell and a plurality of current-sensitive resistors, a fixing frame is fixedly connected to the interior of the shell, the plurality of current-sensitive resistors are uniformly fixed in the fixing frame, a rectangular rod is arranged at the upper end of the fixing frame, and the rectangular rod is fixedly connected with the shell. A connecting mechanism is installed on the rod wall of the rectangular rod and used for rapidly connecting any current-sensitive resistor into a circuit, openings are formed in the two opposite sides of the shell, and side plates are connected to the openings. According to the neutral point inrush current suppression device for the electromagnetic voltage transformer, when the current sensitive resistor in the inrush current suppression device is damaged, the ...

Water surface detection device

The invention discloses a water surface detection device. The device comprises a ship body; the system further comprises side-scan sonar bodies arranged on the two sides of the ship body, the ship body is provided with a synchronous driving assembly, the side-scan sonar bodies are fixedly connected to the two sides of the synchronous driving assembly, and the synchronous driving assembly controls the side-scan sonar bodies to stretch out of the water pouring face. Fixed wings are arranged on the two sides of the side-scan sonar body and fixedly connected to the two sides of the side-scan sonar body through reinforcing assemblies. The synchronous driving assembly is arranged on the ship body, the side-scan sonar bodies are installed on the two sides of the synchronous driving assembly, the synchronous driving assembly controls the side-scan sonar bodies to synchronously stretch out towards the two sides of the ship body, the fixed wings are arranged on the two sides of the side-scan sonar ...

Brush direct current motor control method

The invention relates to a motor control method, in particular to a brush direct-current motor control method, a drive circuit of a brush direct-current motor adopts an H-bridge circuit, the H-bridge circuit is provided with four switching tubes, and the two ends of the motor of the brush direct-current motor have three voltage states which are respectively 0, 1, 2, 3, 4, 5, 6, 7, 7, 8, 8, 9, 10, 11, 12, 12, 13, 14, 16, 17, 17, 17, 17, 17, 17, 17, the control method comprises the steps of establishing a brush direct current motor model, controlling gain optimization, designing a generalized proportional-integral disturbance observer based on a predetermined time sliding mode reaching law, controlling current and the like, by designing the predetermined time sliding mode reaching law, it is guaranteed that a control system converges within fixed time, the convergence speed is high, and the control precision is high. The current control precision is relatively high, and meanwhile, model parameters ...

Control method and device suitable for medical instrument carrying system

The invention provides a control method and device suitable for a medical instrument carrying system. The method comprises the steps that carrying videos of a carrier carrying medical instruments at different angles within a preset historical time period are obtained; screening all the carrying videos, extracting each frame of image in the screened carrying videos according to a time sequence, calculating gravity center information of the medical instrument and carrying posture information of a carrier in each frame of image after extraction, and carrying out carrying score marking on each frame of image; constructing a carrying scoring model, and predicting a carrying score at the current moment by using the carrying scoring model; and identifying text information on the carrying image at the current moment, determining a risk control level according to the text information and the carrying score at the current moment, and performing corresponding warning processing according to the risk ...

Vertical assembling and horizontal overturning device

The invention discloses a vertical assembling and horizontal overturning device, belongs to the field of hoisting overturning equipment, and aims to solve the problem that an existing liquid engine is difficult to overturn to a horizontal state. According to the vertical assembling and horizontal overturning device, the rotating piece is detachably connected with the connecting piece, the connecting piece can rotate relative to the rotating piece, and under the condition that the liquid engine is in the vertical state, the mass center of a whole formed by the liquid engine and the connecting piece is higher than the rotating connecting position of the connecting piece and the rotating piece; and the liquid engine and the connecting piece can rotate relative to the rotating piece under the influence of self gravity, so that the liquid engine completes the operation of rotating from a vertical state to a horizontal state.

Inrush current active protection system

The invention discloses an inrush current active protection system which comprises an environment information acquisition module, a current acquisition module, a voltage acquisition module, an in-cabinet image acquisition module, a cabinet body information acquisition module, a data receiving module, a data processing module, a master control module, a closing suppression controller, an inrush current suppression device and an information sending module. The environment information acquisition module is used for acquiring environment information of an installation cabinet where the parallel capacitor bank is located, and the environment information comprises in-cabinet environment information and external environment information; the current acquisition module is used for acquiring current information of an environment where the parallel capacitor bank is located. According to the invention, the inrush current at the moment of inputting the capacitor bank can be limited, the damage of the ...

Stepped hydration super-early-strength material for steam-cured concrete product

The invention belongs to the technical field of application of steam-cured concrete products, and relates to a cascade hydration super-early-strength material for a steam-cured concrete product. The invention relates to a water-based drilling fluid which comprises the following components in parts by weight: 10-30 parts of sodium silicate, 20-40 parts of calcium nitrate, 1-10 parts of sodium hydroxide, 5-20 parts of microbeads, 5-20 parts of silica fume, 20-70 parts of deionized water, and 1-10 parts of a defoaming agent, a dispersing agent and a stabilizing agent based on the total mass. According to the invention, micro-nano hydrated calcium silicate is prepared by using a coprecipitation method, and micro-beads and silica fume are taken as carriers and are combined with hydrated calcium silicate to form a child-master batch by adjusting the pH value and surface tension of a liquid phase, so that the preparation of the cascade hydrated super-early-strength material is realized.

Hot-dip galvanized steel pipe and continuous production method thereof

The invention discloses a hot-dip galvanized steel pipe and a continuous production method thereof, and relates to the technical field of hot-dip galvanized steel pipe manufacturing. The continuous production method comprises the following steps: performing decoiling and welding treatment on a hot-rolled coil to form hot-rolled strip steel; performing acid-free descaling treatment on the hot-rolled strip steel to remove oxide skin on the surface of the hot-rolled strip steel; performing heat treatment on the hot-rolled strip steel to obtain the performance of a finished product; the hot-rolled strip steel is galvanized, so that a plating layer is formed on the surface of the hot-rolled strip steel; the hot-rolled strip steel is subjected to striping treatment, and a pipe manufacturing raw material is formed; welding the pipe-making raw material and supplementing zinc to a welding seam to form a pipe; and the pipe is subjected to slitting treatment to form the hot-dip galvanized steel pipe ...

Pure electric mixer truck

The utility model relates to the technical field of concrete mixers, in particular to a pure electric mixer, which comprises a main frame, an auxiliary frame, a mixing tank, a cab, an upper driving system, a chassis driving system and a power battery. The motor direct-drive speed reducer is adopted to drive the stirring tank, so that the problems that a hydraulic pump and a hydraulic motor used by the stirring tank are low in utilization rate, energy-saving and environment-friendly, and high in cost consumption are solved. According to the utility model, the control unit and the cooling unit are intensively mounted by utilizing the spatial positions of the hydraulic pump and the hydraulic motor, so that the problems of overlong cooling pipeline, complex control circuit, small available space and the like are solved.

Line selection judgment method of station profile distributed line selection device

The invention relates to the technical field of fault line selection of a power distribution network, and discloses a line selection judgment method of a station exterior distributed line selection device, which comprises the following steps of: acquiring current information of each outgoing line and bus by using a power grid sensor acquisition system arranged outside a station, and establishing a typical fault sample; after a typical fault sample space is formed, a zero-sequence network diagram is listed through current information collected by a power grid sensor collection system, a circuit equation is listed according to the zero-sequence network diagram, adiabatic equivalence is conducted on the circuit equation according to the service principle, and finally sequence parameters for displaying the phase change development trend of the system are solved. According to the line selection judgment method of the station appearance distributed line selection device, the problem of uncertainty ...

Aircraft engine fire extinguishing bottle distribution pipeline test system and method

The invention discloses an aircraft engine fire extinguishing bottle distribution pipeline test system, which comprises a test bottle and a fire extinguishing system arranged on an aircraft, and further comprises a test tool, the test bottle is connected with the fire extinguishing system through the test tool, a fire extinguishing jet orifice of the fire extinguishing system is blocked, and whether the fire extinguishing system is normal or not is displayed on the test tool. Whether the fire extinguishing system is blocked or/and leaks or not can be judged according to the collected pressure data.

Communication method and communication device

The embodiment of the invention provides a communication method and a communication device. The method comprises: a mobility management network element sends a request message to a network slice selection function network element, the request message being used for requesting slice information, the slice information being used for indicating slices supported by the network element, and/or a slice mapping relationship between a home public land mobile network supported by the network element and a visited public land mobile network; and the mobility management network element receives a response message for the request message sent by the network slice selection function network element, wherein the response message is used for indicating the slice information. According to the technical scheme, the mobility management network element does not need to request the network slice to select the function network element when slice information is needed every time, and therefore impact on the ...

Bridge expansion joint anchoring device and using method thereof

The invention discloses a bridge expansion joint anchoring device and a using method thereof.The bridge expansion joint anchoring device comprises an expansion joint arranged between two bridge roadbeds, and anchoring plates are arranged on the left side and the right side of an inner cavity of the expansion joint correspondingly. According to the bridge expansion joint anchoring device and the using method thereof, the upper adjusting plate and the lower adjusting plate move close to each other or away from each other under the cooperation of the anchoring plates and the elastic expansion pieces through rotation of the two-way threaded rod, and when the upper adjusting plate and the lower adjusting plate move close to each other, the two anchoring plates are tightly limited in an expansion joint; the connection stability between the anchoring plate and the bridge subgrade is guaranteed under the arrangement of the pouring piece while the tight contact between the anchoring plate and the ...

Integrated device with signal communication, rim lubrication and troubleshooting functions and bogie

The utility model discloses an integrated device with signal communication, rim lubrication and troubleshooting functions and a bogie, and relates to the technical field of auxiliary devices of railway vehicle bogies. The integrated device comprises signal equipment, a rim lubrication device, a troubleshooting device formed by integrally casting E-grade steel, a rim lubrication device mounting bracket and a signal equipment mounting interface, the bogie comprises a framework and the integrated device with the functions of signal communication, rim lubrication and troubleshooting. The utility model has the advantages of light weight, simple structure, small occupied space, low cost, good functionality, no welding structure and higher strength.

Riser-free casting process for large-tonnage clamping force thick large-section injection molding machine template casting

The invention discloses a dead-head-free casting process of a large-tonnage mold locking force thick large-section injection molding machine template casting, which comprises the following steps: S1, placing chillers at thick wall parts of an ejection hole and a mounting surface, and adjusting a temperature field; s2, a high-temperature slow pouring method is adopted, and feeding is conducted through a pouring system; and S3, during molding, a vibration motor is fixed to a sand box to vibrate and compact, the casting strength is improved, and the tensile strength value is controlled to be 1.0 MPa or above. Different from a conventional casting process, four large exothermic risers are omitted, the yield of the casting process is increased to 90% from 75%, and the polishing and cleaning workload of castings is greatly reduced. By means of the process, the shrinkage porosity defect of the internal structure of a casting is overcome, the poor structure of the riser neck is overcome, meanwhile ...

Distributed wide-area synchronous current sensor

The invention relates to the technical field of sensor installation, and discloses a distributed wide-area synchronous current sensor, which comprises a shell and an electronic circuit board, and is characterized in that the shell comprises a first shell and a second shell, and a connecting plate is slidably connected between the side walls of the first shell and the second shell; a screw rod sequentially penetrates through the inner cavities of the first shell and the second shell from bottom to top, the outer wall of the screw rod is in threaded connection with a screw sleeve, and the outer wall of the screw sleeve is provided with a fixing assembly used for assisting in pressing a wire. According to the synchronous current sensor for the distributed wide area, the force applied to the outer surface of the electric wire is reduced as much as possible while the electric wire is propped against and fixed by arranging the fixing assembly, so that the force on the outer surface of the electric ...

Multi-keyword searchable encryption method with verifiable ciphertext retrieval result

The invention belongs to the technical field of information security, and particularly relates to a ciphertext retrieval result verifiable multi-keyword searchable encryption method, which comprises the following steps: a data client generates a pseudo-random function, a keyword dictionary and a key set, and encrypts a target plaintext document to obtain a ciphertext document; the data client sequentially generates a plaintext index vector, a corresponding ciphertext index vector and a verification label, establishes a relationship between the plaintext index vector, the corresponding ciphertext index vector and the verification label, and uploads the relationship to the cloud server; the search client generates a plaintext search trap door vector, a corresponding ciphertext trap door vector and an authorization label, and sends the ciphertext trap door vector to the cloud server; the cloud server returns the ciphertext document meeting the requirement and the verification tag thereof to ...

Cross-contract vulnerability detection method, system and equipment

The invention relates to the technical field of network security, in particular to a cross-contract vulnerability detection method, system and equipment, which statically abstracts main information of a smart contract, acquires a candidate attack pair sequence capable of specifying an attack direction, combines the candidate attack pair sequence with an aggressive template contract to generate an attack contract, and detects a cross-contract vulnerability. According to the method, the intelligent contract is dynamically attacked by using the attack contract, the cross-contract vulnerability in the intelligent contract is detected according to different attack results, and the detection method can effectively detect whether the re-entry vulnerability or the entrusted call vulnerability exists in the intelligent contract. Experimental results show that the detection method has the advantages of high accuracy, high comprehensive evaluation rate, zero false alarm rate and low time overhead.

Spinning buckle type sensor and measuring method

The invention discloses a rotary buckle type sensor and a measuring method, and relates to the technical field of sensors. A rotary cover of the rotary buckle type sensor is connected with the take-up wheel through arc-shaped end face teeth, one-way transmission can be achieved, and the rope is wound into the take-up wheel. The screw cap and the elastic body are connected through the triangular end face teeth to form one-way transmission. The outer surface of the elastic body is provided with a V-shaped resistance strain gauge used for receiving torque change caused by deformation of the elastic body. The power supply module and the signal acquisition and processing module in the base are connected with the V-shaped resistance strain gauges to form a full-bridge circuit, and the resistance variable quantity of the strain gauges is converted into bridge strain voltage of the full-bridge circuit to be output. An inertial measurement unit is further arranged in the base and used for measuring ...

Overvoltage active suppression protection system

The invention discloses an overvoltage active suppression protection system, which belongs to the field of overvoltage protection systems, and comprises a three-phase power grid, A, B and C three-phase circuits of the three-phase power grid are respectively provided with a parallel compensation capacitor and a series reactor, the two ends of the reactor are bridged with an SCLP protection module, and the SCLP protection module is connected with an information acquisition module. The three information acquisition modules are jointly connected with an analysis module, the analysis module is connected with a master control module and a preset value input module, and the master control module is connected with an early warning module; the SCLP protection module comprises an overcurrent protection module and a zinc oxide valve plate which are connected in series; the information acquisition module comprises an over-current protection module image information acquisition unit, a porcelain insulation ...

Device and method for preparing dimethyldichlorosilane by reforming chlorosilane low-boiling-point substance

The invention discloses a device and a method for preparing dimethyldichlorosilane by reforming low-boiling-point substances of chlorosilane. The device comprises a feeding tank, a three-stage heat exchanger, a reforming reactor, an air condenser I, a reforming rectifying tower, an air condenser II and a reflux tank, the feeding tank is sequentially connected with the third-stage heat exchanger and the reforming reactor through a pipeline; the reforming reactor is sequentially connected with the third-stage heat exchanger, the air condenser I and the reforming rectifying tower through pipelines; the top of the reforming rectifying tower is sequentially connected with an air condenser II and a return tank through pipelines, and the return tank is connected with the reforming rectifying tower through a pipeline to form a return system. According to the invention, unavailable or low-price low-boiling-point chlorosilane is utilized to produce high-value recoverable chlorosilane, so that the ...

Method for purifying siloxane by using hydrocarbon compound

The invention belongs to the field of organic silicon hydrolysate purification, and particularly relates to a method for purifying siloxane by using hydrocarbon compounds. Materials enter a product heat exchanger from a light component removal tower feeding tank through a light component removal tower feeding pump for preheating, then enter a light component removal tower feeding preheater for secondary preheating and then enter a light component removal tower, the materials are rectified through a light component removal tower reboiler, light components are condensed from the tower top through a light component removal tower top condenser to a light component removal tower return tank, and the light components are condensed through a light component removal tower top condenser. And adding an auxiliary agent heptane into a reflux tank of the light component removal tower, discharging the separated acid and water into an acid discharging tank, and carrying out reflux purification on hydrolysate ...

Water-based waste solvent treatment system and method

The invention discloses a water-based waste solvent treatment system and method. The system comprises a coagulation reaction device, a reduced pressure distillation device, an automatic control valve and a membrane separation module which are sequentially connected in the conveying direction of a water-based waste solvent, the membrane separation module comprises a pervaporation module and a reverse osmosis module; the automatic control valve can be switched between a state that the automatic control valve is communicated with a liquid inlet of the pervaporation module and a state that the automatic control valve is communicated with a water inlet of the reverse osmosis module, and is used for enabling distillation products to enter a first treatment mode and a second treatment mode respectively. The water-based waste solvent treatment system provided by the invention can realize two processes of one set of equipment, realizes equipment function expandability, reduces equipment replacement ...

Johnson criterion-based laser interference effect simulation evaluation method

The invention relates to a Johnson criterion-based laser interference effect simulation evaluation method. Comprising the steps that a system model of a non-cooperative photoelectric imaging system is established, and the system model at least comprises the imaging resolution, the distance of a detection target and the size of the detection target; calculating the number of pixels before laser interference according to the imaging resolution, the distance of the detection target and the size of the detection target; calculating a laser interference influence coefficient; calculating the number of pixels after laser interference according to the number of pixels before laser interference and the laser interference influence coefficient; according to the number of the pixels before laser interference and the number of the pixels after laser interference, the laser interference effect is calculated, and the Johnson criterion is used for conducting simulation evaluation on the laser interference ...

Low-resilience sprayed concrete, wet spraying system and construction technology

The invention discloses a low-resilience shotcrete and wet spraying system and a construction technology, and belongs to the technical field of tunnel shotcrete construction.The construction technology comprises the steps that a powdery accelerator is added into a dry powder accelerator adding device and conveyed into a second mixing cavity at a sprayer through an air compressor; and the initial concrete mixture is unloaded into a concrete pumping device and conveyed into a first mixing cavity, the initial concrete mixture is conveyed into a second mixing cavity through an air compressor to be mixed with a dry powder accelerator, and then the mixture is sprayed to the sprayed face of the tunnel through a spray head. By means of the pneumatic conveying device, homogenized pneumatic conveying of the dry powder accelerator is achieved, adverse effects of moisture in a conventional liquid accelerator on the setting and hardening speed and the bonding strength of the sprayed concrete are avoided ...

Soot blower operation process simulation fault diagnosis method and system

The embodiment of the invention provides a soot blower operation process simulation fault diagnosis method and system, and the method comprises the steps: obtaining the operation time of a soot blower; the whole operation process of the soot blower is simulated according to the operation time of the soot blower, whether the abnormal condition that the backing time of the soot blower is not enough, the backing time is too long or the soot blower is jammed and overloaded is judged, and if the abnormal condition occurs, a fault signal is output. The soot blower can be effectively prevented from being stopped in the middle state due to signal faults, and pipe wall blowing damage caused by long-time steam admission of the soot blower is prevented.

Database adaptation method and system, terminal equipment and storage medium

The invention relates to the technical field of databases, in particular to a database adaptation method and system, terminal equipment and a storage medium. The method comprises the following steps: acquiring a current configuration file; reading a current configuration file, and generating corresponding driving information; if the drive information is successfully analyzed, acquiring and connecting a corresponding database type; analyzing the database type to obtain corresponding connection information; according to the processing requirement of the current to-be-processed data, judging whether connection information exists in the historical connection record or not; if the connection information exists in the historical connection record, switching to a corresponding target database according to the connection information; and if the connection information does not exist in the historical connection record, obtaining preset configuration information corresponding to the database type ...

Form-removal-free novel steel bar truss floor support plate and construction structure and construction method thereof

The invention discloses a novel formwork-removal-free steel bar truss floor support plate and a construction structure and a construction method of the novel formwork-removal-free steel bar truss floor support plate. The steel bar truss floor support plate comprises a bottom die steel plate, a plurality of groups of web member steel bars which are transversely arranged at intervals are arranged on the bottom die steel plate, each group of web member steel bars comprises two web member steel bars which are symmetrically arranged in a splayed shape, and an upper chord steel bar which is transversely arranged is connected between the upper parts of the two web member steel bars of each group; the lower portions of the two web member steel bars in each set are connected with lower chord steel bars arranged in the transverse direction. The construction structure comprises the novel formwork-removal-free steel bar truss floor support plate and further comprises a longitudinally-arranged beam ...

Underwater wiring sealing device and method for hydraulic grabbing beam monitoring system of hydropower station

The underwater wiring sealing device comprises a flange joint, a water pressure-resistant socket, a plug and a composite sealing joint, the flange joint is connected and sealed with the water pressure-resistant socket, the composite sealing joint is connected and sealed with the water pressure-resistant socket, the plug is located in the water pressure-resistant socket, and the composite sealing joint is located in the water pressure-resistant socket. The two ends of the plug are respectively connected with a cable and a signal cable which are connected with the assembly, and the outer layer of the signal cable is pressed and sealed by a conical O-shaped ring and a conical pressure pad of the composite sealing joint. The connection point between the cable and the plug, the connection point between the water pressure resistant socket and the plug and the connection between the signal cable and the plug are located in the three different isolation cavities respectively, when sealing of one ...

Transformer fault type classification method based on knowledge distillation

The invention discloses a transformer fault type classification method based on knowledge distillation. The method comprises the following steps: acquiring historical data of measured gas content from an oil chromatography of a transformer, and marking the gas content and a fault type; training a teacher network according to the historical data, and constructing a student network; training a student network by using dark knowledge output by the teacher network and the historical data; and inputting the oil chromatography gas content data of the transformer into the student network, and completing fault type classification through the student network. According to the transformer fault rapid fault type classification method based on knowledge distillation, the calculation speed is high, the fault type classification result can be rapidly obtained according to the oil chromatography gas content data under the action of a student network, and a foundation and basis are provided for on-line ...

Tail water pipe moving trolley in railway tail water culvert

The tail water pipe moving trolley in the railway tail water culvert comprises a plurality of double-wheel universal wheels and a plurality of supporting grooves, every two adjacent supporting grooves are hinged through a connecting rod, the bottom of each supporting groove is fixedly connected with the corresponding double-wheel universal wheel, and a binding belt for binding a tail water pipe is arranged at a groove end opening of each supporting groove. The tail water pipe is placed in the grooves of the multiple supporting grooves, the tail water pipe is moved through the universal rolling wheels, time and labor are saved, supporting is stable and reliable, safety is high, the tail water pipe is bound through the binding belts, fixing is more stable, and sliding caused by the gradient in the moving process is avoided.

Satellite emergency measurement and control risk assessment method based on historical data

The invention discloses a satellite emergency measurement and control risk assessment method based on historical data, and the method comprises the steps: firstly obtaining the historical measurement and control data of a satellite and measurement and control equipment, and extracting the parameters of a to-be-executed emergency measurement and control event; comparing the key parameters of the emergency measurement and control event with the hard constraint conditions, and judging whether the event has performability or not; calculating subitem risk index values of the emergency measurement and control event according to the historical measurement and control data and the emergency measurement and control event parameters; determining sub-item risk index weights by adopting a subjective and objective comprehensive weighting method, and calculating a comprehensive risk assessment value of the emergency measurement and control event; and according to the sub-item index value and the comprehensive ...

Binder for 3D printing and preparation method thereof

The present invention relates to the technical field of casting auxiliary materials, and provides a 3D printing binder, which comprises, by mass, 0.5-3% of a polyol, 3-8% of a polymeric monomer, 0.5-5% of a modifier, 0.01-0.1% of an initiator, 30-50% of water, 20-40% of an alcohol solvent, 12-25% of an ether solvent, and 0.01-0.5% of an organic acid, wherein the polyol is liquid polyethylene glycol with a low polymerization degree, the initiator is a water-soluble azo initiator, the modifier is polyvinyl butyral with a low polymerization degree, and the polymeric monomer is 1-vinyl-2-pyrrolidone. The problems that in the prior art, an adhesive for 3D printing powder is low in bonding strength and short in storage period, and the strength of a printed blank is reduced after being placed for a period of time are solved, the strength of the adhesive is obviously improved, the adhesive has the advantages of being high in bonding strength, long in storage time, high in blank strength and the ...

Hard disk handle assembly

The invention relates to a hard disk handle assembly, which comprises a hard disk bracket and a hard disk handle, the hard disk bracket is provided with a dismounting port for moving a hard disk, the hard disk handle comprises a cover body for connecting the hard disk and two rotating bodies rotatably arranged on the cover body, and the cover body is detachably matched with the inner wall of the dismounting port. And when the cover body is mounted in the disassembly and assembly opening and the two rotating bodies rotate oppositely, at least one rotating body is extruded on the hard disk bracket, so that the cover body is separated from the disassembly and assembly opening. The disassembly process of the hard disk is more labor-saving.

Novel carrying assistance exoskeleton

The invention relates to a novel carrying assisting exoskeleton which comprises an upper limb part, a back frame and a lower limb part. The upper limb part comprises a first shoulder connecting piece, a second shoulder connecting piece, an upper limb auxiliary spring, a first big arm connecting piece and a third big arm connecting piece; one end of the first shoulder connecting piece is fixedly connected with the back frame, and the other end is connected with the second shoulder connecting piece through a bearing; the second shoulder connecting piece is connected with the first large arm connecting piece through a bearing; the first large arm connecting piece is fixedly connected with a second large arm connecting piece, and the other end of the second large arm connecting piece is connected with a third large arm connecting piece through a bearing. The robot has the beneficial effects that three degrees of freedom are set through the bearing connecting structure, the upper limb assisting ...

110KV basin-type insulator with optical fiber temperature measurement function and preparation method of 110KV basin-type insulator

The invention relates to a basin-type insulator and a preparation method thereof, in particular to a 110KV basin-type insulator with an optical fiber temperature measurement function and a preparation method thereof, which are used for solving the problems that in the prior art, temperature monitoring is carried out by preassembling infrared temperature measurement equipment on a shell, so that on-site large-scale implementation is not suitable, and the cost is low. And the actual conductor temperature cannot be accurately measured in real time. According to the 110KV basin-type insulator with the optical fiber temperature measurement function, one metal conductor in the basin-type insulator is connected with the temperature measurement end of the temperature measurement optical fiber, so that the internal temperature of the basin-type insulator is monitored; the surface of the temperature measuring optical fiber is subjected to texturing treatment, so that the bonding area of the temperature ...

Method and device for constructing environment based on virtualization technology, and storage medium

The invention relates to a method and a device for constructing an environment based on a virtualization technology and a storage medium, and the method comprises the steps that a front end uses an AntV-X6 framework to realize network atlas drawing, and sends a network atlas to background service in a json data format; and after the background service receives the data, environment construction is realized through a json parser, a command factory, a container workshop or a virtual locomotive workshop, an encryption module, an SDN, an agent and the like. The method is simple to install and deploy, simple to operate and low in learning cost; and the problems of repeated recovery of application resources, long overall environment deployment time and high complexity are solved, and the error-tolerant rate and efficiency are effectively improved.

Semi-active exoskeleton robot adopting gear four-bar mechanism for transmission

The invention relates to a semi-active exoskeleton robot adopting a gear four-bar mechanism for transmission. The semi-active exoskeleton robot comprises a back frame mechanism, a hip joint connecting mechanism, a thigh mechanism, a shank mechanism and an ankle joint mechanism. An inertia measurement unit is arranged on the outer side of the back frame mechanism, and a thigh gyroscope and a shank gyroscope are arranged on the thigh mechanism and the shank mechanism respectively. The device has the beneficial effects that the thigh driving motor is connected with the transmission pinion, the transmission pinion is connected with the transmission bull gear, the fisheye bearing is mounted on the transmission bull gear, main components are intensively arranged at the thigh root and close to the gravity center of a human body, upward movement of the driving motor is achieved, and the rotational inertia of the thigh driving motor relative to the human body is greatly reduced; a driving link in ...

Recycling system and treatment method for rectification tail gas in organic silicon production process

The invention discloses a recovery system and a treatment method for rectification tail gas in an organic silicon production process, and the recovery system comprises a tail gas heat exchanger, a tail gas absorption tower, a tail gas absorption tower circulating pump, a circulating liquid cooler, a tail gas compressor buffer tank, a tail gas compressor and a purification tower, the tail gas absorption tower is sequentially connected with a tail gas absorption tower circulating pump, an outlet of the tail gas absorption tower circulating pump is respectively connected with a circulating liquid cooler and a purification tower liquid phase, the circulating liquid cooler is connected with the tail gas absorption tower, and the tail gas absorption tower is connected with a shell pass inlet of a tail gas heat exchanger; a tail gas heat exchanger shell pass outlet is sequentially connected with a tail gas compressor buffer tank, a tail gas compressor inlet and a purification tower. Crude monomers ...

Anti-blocking jacking oil supply pipeline system

The invention provides an anti-blocking jacking oil supply pipeline system, and relates to the technical field of thermal power plant units. The system comprises a main oil tank, the main oil tank is connected with a jacking oil inlet pipeline arranged at the front end of a jacking oil pump through a lubricating oil pipeline and a lubricating oil pump, an oil ejector is arranged in the main oil tank and communicated with the lubricating oil pipeline, an oil purification device is connected to the outside of the main oil tank, and an inlet of the oil purification device is communicated with the main oil tank through a pipeline; an outlet of the oil purification device is connected to the top of the main oil tank, the top shaft oil inlet pipeline is connected with an inlet of the oil purification device through a backflow pipeline, and a backflow valve is arranged on the backflow pipeline. According to the system, the backflow pipeline can be communicated before the unit stops running, so ...