52results about How to "Optimize assembly process" patented technology

The invention discloses an assembly geometric digital twin modeling and pose calculation method based on deep learning, and belongs to the technical field of precision mechanical system modeling. Comprising the following steps: firstly, selecting a small number of product key contact surfaces for point cloud measurement; secondly, performing redundancy removal, expansion and arrangement on the data by adopting an up-sampling / down-sampling and data enhancement method; then, an assembly data set is established through assembly pose parameter calculation and data enhancement; then training a neural network by using a deep learning technology, and establishing a geometric distribution error and assembly pose mapping model; according to the method, part surface geometric distribution errors and assembly pose errors in an assembly body are considered, a geometric digital twin model with complete and accurate error information is established, and a model basis is provided for product precision prediction, product assembly process optimization, product assembly visualization and product quality improvement; and the method is suitable for precision mechanical products with high precision and large-batch production requirements.

The invention provides a high-reliability servo actuating device which comprises an actuator body, the outer end of a piston rod of the actuator body penetrates out of a connecting part at a port of the actuator body, a locking plate and a limiting thread sleeve are arranged on the outer side of the connecting part, and the locking plate can move in the length direction of the connecting part. A first limiting nut is further connected to the connecting position of the outer end of the piston rod and the connecting base in a screwed mode, an emergency centering groove is formed in the position, corresponding to the piston cavity, of the inner wall of a shell of the actuator body, an emergency centering opening is formed in the surface of the shell, and the emergency centering groove is communicated with the emergency centering opening through a centering channel arranged in the side wall of the shell. The device has the beneficial effects that the stroke is adjustable through the limiting screw sleeve and the locking plate; high-pressure oil can be led out of the shell through the emergency centering groove, and the requirement for the opening degree of a vector nozzle of an engine can be met.

The invention provides an optical system. The optical system comprises a lens barrel, a lens group and at least one spacer, the lens group and the spacer are arranged in the lens barrel, the lens group is composed of five lenses, and the five lenses are the first lens, the second lens, the third lens, the fourth lens and the fifth lens; the at least one distance piece comprises a second distance piece, a third distance piece and a fourth distance piece; f3 / (EP2 + CT3) is greater than or equal to-3.23 and less than or equal to-3.05; f4 / EP34 is more than or equal to-17.45 and less than or equal to-13.71. The problem that a five-piece optical system in the prior art meets the requirement for imaging size control, and consequently the assembling stability is poor is solved.

The invention belongs to the technical field of materials, and relates to a preparation method of a fluorinion-induced manganese oxide composite material and application of the fluorinion-induced manganese oxide composite material as a positive electrode material in an aqueous magnesium ion capacitor. The preparation method comprises the following steps: firstly, preparing a MnO2 precursor from a positive electrode through a hydrothermal method, and annealing to obtain a pure-phase MnO2 nanoflower structure; the preparation method comprises the following steps: preparing MnO2 nanoflowers, adding the prepared MnO2 nanoflowers into polyethylene glycol, adding manganese chloride, potassium fluoride and polyvinylpyrrolidone, carrying out ultrasonic dispersion for 30 minutes, continuously stirring for 1 hour, and transferring the obtained mixed solution into a Teflon reaction kettle for hydrothermal reaction to obtain the MnO2 / Mn2O3 / KMnF3 composite material. The composite material is used as a positive electrode and activated carbon is used as a negative electrode to assemble a water-based magnesium ion capacitor device, and the water-based magnesium ion capacitor device can reach relatively high specific capacitance after an electrochemical test. According to the invention, a hydrothermal method is adopted for synthesis, the process is simple, the material cost is low, and the material is non-toxic and harmless, so that the capacitor has high practical application value and is expected to become a novel green energy storage device.

The invention relates to a drive motor left elastic support assembly and a suspension system, the drive motor left elastic support assembly comprises a suspension support, the suspension support comprises an outer sleeve and a metal plate support fixedly connected with the outer sleeve, the metal plate support is provided with an arc groove matched with the outer wall face of the outer sleeve, and the outer sleeve is located in the arc groove and connected with the metal plate support in a welded mode; and the soft cushion assembly is pressed in the outer sleeve in an interference manner and comprises an inner sleeve and a rubber body positioned in the inner sleeve, an inner framework is connected in the rubber body, and a fork arm with one end protruding out of the outer sleeve is pressed in the inner framework in an interference manner. According to the suspension support, the metal plate support is connected with the outer sleeve in a welded mode, the metal plate support is welded to the outer sleeve for structural design, and the modal and strength requirements of the suspension support are met. The cushion assembly is provided with the rubber body located between the inner framework and the inner sleeve, vibration and impact transmitted to the suspension support by the fork arm are buffered by adjusting the structure of the rubber body and configuring proper rubber hardness, and durability and reliability of the whole vehicle are improved.

The invention discloses an imaging system and an imaging method based on low-light sub-pixel dislocation sampling, which are used for solving the technical problem that the image resolution is easy to degrade due to under-sampling during the sampling of the existing image enhanced ICCD or ICMOS camera. The imaging system comprises a sampling unit, a rotary table and an upper computer, wherein a TDI-ICMOS camera in the lighting unit is formed by coupling an image intensifier and a TDI-CMOS detector, n rows of photosensitive channels which are distributed in parallel are arranged in the TDI-CMOS detector, and every two adjacent rows of photosensitive channels are sequentially staggered by # imgabs 0 # pixels in the row direction and are sequentially spaced by # imgabs 1 # pixels in the TDI push-broom direction; the rotary table is used for installing a camera, and the upper computer carries out fusion enhancement on images. According to the TDI-ICMOS camera, n low-light push-broom images with sub-pixel relative displacement can be obtained only by using a push-broom imaging mode under the cooperation of the turntable, so that a foundation is laid for fusing, enhancing and improving the signal-to-noise ratio and MTF (Modulation Transfer Function).

The present invention belongs to the field of camera sensor technology, and discloses a suspended image sensor fixing structure and a camera module using the structure, which is used to be arranged in the camera module to realize the sensor suspension and movement, including an OIS base and a spring body; the spring body is fixed in the camera module and connected to the OIS base by at least three spring wires; the spring body and the spring wire are both elastic. By using a resin plug-in to connect the coil and the image sensor to a metal plate, the integrity can be improved and the height of the entire camera module can be reduced; at the same time, the metal plate and the OIS spring wire are firmly connected, and it also has a conductive effect between the substrate of the image sensor and the OIS coil, which optimizes and improves the assembly method of the motor.

The invention discloses a positive-pressure explosion-proof MW-level conductive slip ring for an offshore oil and gas exploitation platform, and relates to the technical field of offshore oil and gas exploitation, and the slip ring comprises a main body frame, a main shaft, a ring sheet assembly, a purging control box, a cable bridge, a two-way sleeve, a main support bearing, and an auxiliary slewing bearing. The main shaft is mounted in the main body frame through a main supporting bearing and an auxiliary slewing bearing; the ring sheet assembly is stacked and mounted above the main shaft by adopting insulators, so that stable rotating transmission of MW-level power signals in an ocean vibration environment is ensured; the two-way sleeve is based on an inner and outer side double-cable bridge connection structure, and reliable through-wall transmission of high-voltage power signals can be achieved; the purging control box is mounted on a side cover plate of the main body frame in a wall-mounted manner, so that certain positive pressure on the inner side of the slip ring is ensured, the marine environment is effectively prevented from corroding the internal structure of the slip ring, and positive pressure type explosion prevention of the conductive slip ring is realized; the positive-pressure explosion-proof MW-level conductive slip ring for the offshore oil and gas exploitation platform has the advantages of being large in transmission power, high in environmental adaptability, high in reliability and the like.

The utility model discloses a novel automobile charging seat drainage nozzle connecting device, including quick joint and drainage nozzle joint, the drainage nozzle joint is inclinedly connected in the bottom of quick joint, when quick joint horizontal direction is established, the projection angle of the central axis of drainage nozzle joint and quick joint central axis on vertical plane is -30 degrees, the projection angle of the central axis of drainage nozzle joint and quick joint central axis on horizontal plane is 15 degrees or -15 degrees, the top of quick joint is formed with the clamping slot, the inside of clamping slot is formed with the drainage groove, the inner chamber of drainage groove is linked together with drainage nozzle joint inner chamber, the inner wall of clamping slot is equipped with the buckle structure symmetrically, the rubber pad with drainage hole is located in the clamping slot, the rubber pad is laid on the brim of drainage groove 4, and the drainage hole is linked together with the drainage groove. The utility model discloses simple structure, and it is easy to operate, improves the stability of connection and production efficiency, ensures that the drainage is smooth and efficient, and reduces the water accumulation residual.

The present invention provides a profile for quick assembly, the profile extends along its length direction and is hollow, the cross section of the profile is Y-shaped, and has two bifurcated parts perpendicular to each other, and an extension part extending from the connection part of the two bifurcated parts in a direction away from the bifurcated parts, and the two bifurcated parts each have a first inner cavity and a second inner cavity. The present invention can effectively simplify the current project construction management process and technology in exhibition construction engineering.

The utility model relates to the technical field of lamps, and provides a color temperature adjustable bulb which comprises a shell, a lampshade, a light source plate, an adjusting switch and a toggle switch. The lampshade is arranged at one end of the shell, the light source plate is arranged in the shell, a receding opening is formed in the light source plate, the adjusting switch is arranged on the light-emitting face of the light source plate relative to the receding opening, the adjusting switch is provided with an adjusting handle used for switching gears, and the adjusting handle is arranged in a protruding mode towards the receding opening. The toggle switch comprises a toggle piece and a toggle rod, the toggle piece is located on one side of the backlight face of the light source plate and arranged on the outer side wall of the shell in a sliding mode, one end of the toggle rod is arranged on the toggle piece, and the other end of the toggle rod penetrates through the receding opening to be arranged on the adjusting handle. Therefore, a driving power supply is saved, extra cost does not need to be increased to position the aluminum substrate, and the assembly process from production and processing of parts to production of finished products is greatly optimized. And the production and processing cost of each link is considerably saved, and good practicability is achieved.

This invention provides a sealing structure and assembly method, belonging to the field of mechanical seal technology. It includes: a container body; a cap fixed to the end of the container body, with a predetermined interval between the container body and the cap; a sealing ring fixedly connected to the cap; and a sealing retaining ring fixedly connected to the container body. The end of the sealing retaining ring contacts the end of the sealing ring, and the sealing ring is fixed inside the predetermined interval via the sealing retaining ring. By adopting the technical solution of this invention, the manufacturing difficulty of the cap is reduced, the structural shape of the sidewall connection part of the cap is simplified, assembly is easy, the performance of rotating containers is improved, and good assembly processability, sealing performance, structural stability, and reliability can be achieved simultaneously.

The invention relates to a driving motor left bracket and a suspension system, and belongs to the technical field of electric automobile suspension systems, the driving motor left bracket comprises a supporting plate, the supporting plate comprises a step-shaped structure formed by connecting a flat plate and a vertical plate, the step-shaped structure comprises a first step and a second step, and the first step is higher than the second step; a first assembly hole is formed in a flat plate of the first step, and a positioning hole is formed in a vertical plate of the first step; one end of the supporting plate is fixedly connected to the lower surface of the flat plate of the second step, the other end of the supporting plate protrudes out of the vertical plate of the first step in the horizontal direction and is provided with a second assembly hole, and the opening direction of the second assembly hole is the same as that of the positioning hole. According to the left bracket of the driving motor, bolts are installed through the positioning holes in the vertical plate of the first step for positioning, the assembling holes and the nut holes can be aligned conveniently, the assembling difficulty is lowered, and the assembling manufacturability is improved. The supporting plate can decompose the bearing reaction borne by the bracket, and the working reliability of the bracket is improved.

The utility model discloses a sealed bearing box type track wheel set and a track comprising the wheel set. The sealed bearing box type track wheel set comprises a wheel assembly, a first inner side sealing plate, a first inner side sealing plate, a first bearing, a second bearing, a first bearing box, a second bearing box, a first outer side sealing plate, a second outer side sealing plate and a shaft sleeve. According to the utility model, the structural form of the bearing box is optimized, and an open type is adopted, so that manufacturing and processing are simpler; the structural form and the assembly process of the outer side sealing plate are optimized, single-plate blanking machining is adopted, and manufacturing and machining are easy; the bearing box and the bearing box are assembled in a transition fit mode, the set screws are pressed, and the tedious bolt installation procedure is omitted; installation is convenient and operation is easy.

This invention provides an integrated biological sample collection and testing device, relating to the field of biological sample collection technology. The container body contains a liquid-containing cavity, a test strip holder mounting cavity, and a drainage channel. A sealing membrane is provided between the distal end of the liquid-containing cavity and the drainage channel. A sampling rod is inserted into the liquid-containing cavity, with a blade at the distal end and a limiting block connected to the proximal end. A sealing structure is provided on the outer wall. The limiting block is positioned on the inner wall of the container lid via a first positioning structure. The container lid seals the proximal side of the container body and is further positioned on the container body via a second positioning structure, so that the blade of the sampling rod is suspended near the proximal end of the sealing membrane. This invention enables dry and wet separation, effectively improving the convenience and stability of the device during carrying, storage, and transportation. It facilitates rapid on-site testing, improves the accuracy and reliability of test results, and is simple in structure and easy to operate.

This utility model relates to a damping hinge structure and computer equipment, including a monitor front cover, a damping hinge, and a monitor rear cover. The monitor front cover is assembled with the monitor and detachably connected to the monitor rear cover. The damping hinge includes a central shaft and two cable guide slots. The central shaft is assembled with the monitor front cover, and the two cable guide slots are located at both ends of the central shaft. Each cable guide slot includes a nut mounting slot and a semi-open cylinder for assembling cables. Threaded connecting rods are provided at both ends of the central shaft, passing through the nut mounting slots and connecting to damping adjustment nuts. The cable guide slots are fixedly connected to the monitor bracket, and their semi-open cylinders have cable passage openings. This application, while allowing adjustment of the monitor angle, also enables cable routing within the device and allows the use of thicker cables without increasing the size of the monitor hinge connection. Furthermore, this application improves assembly manufacturability and after-sales maintainability, reducing manufacturing and after-sales costs.

The battery cover plate comprises a cover plate body, a mounting structure and a pole, the cover plate body is provided with a pole mounting hole, the pole is provided with a cylindrical pole table part, the pole is mounted in the pole mounting hole through the mounting structure, and the pole is provided with a circular welding hole penetrating through the pole. According to the battery cover plate, the post platform part of the post is in the cylinder shape, which is equivalent to a traditional square post, and when the battery cover plate is processed based on a lathe, the circular post does not need to be further processed into the square and cylindrical post platform part, so that the waste of processing materials can be reduced. According to the application, the circular welding hole is formed in the pole, and when the cylindrical punching table is formed by punching on the switching piece, the side wall of the circular welding hole and the cylindrical punching table of the switching piece can be welded, so that the welding position of the switching piece and the pole is located in the middle of the pole, and the waste of battery space caused by welding of the switching piece and the pole can be reduced.

The utility model relates to an air source supply device for a vehicle, the air source supply device comprises a pneumatic valve block, a motor, an air compressor, a plurality of electromagnetic valves and an electronic controller, the motor is arranged on one side surface of the pneumatic valve block, and the electronic controller is arranged on the other side surface of the pneumatic valve block; the air compressor is arranged in a middle groove of the pneumatic valve block; a plurality of containing grooves are formed in the side, facing the electronic controller, of the pneumatic valve block, each containing groove comprises a small-diameter round hole and a large-diameter round hole, the small-diameter round holes and the large-diameter round holes form an inverted-T-shaped hole, the electromagnetic valves are arranged in the containing grooves, and coils of the electromagnetic valves are arranged in the large-diameter round holes. And the plurality of electromagnetic valves are electrically connected with the electronic controller. The electromagnetic valve is arranged in the inverted-T-shaped hole of the pneumatic valve block, so that the pneumatic valve block and the electronic controller are connected in a face-to-face mode, the assembly process is simple and convenient, and working hours are saved.

The present invention relates to a hybrid vehicle transmission device, the device comprising: a planetary gear coupling mechanism comprising a single planet row and a double planet row, the single planet row comprising a first sun gear, a first planet gear, a first planet carrier, and a first gear ring, and the double planet row comprising a second sun gear, an inner planet gear, an outer planet gear, a second planet carrier, and a second gear ring; an input shaft is used as a first transmission shaft, two sun gears are connected to the rotor shaft of a second motor after being connected to form a second transmission shaft, two planet carriers are connected to form a third transmission shaft, the first gear ring is connected to the rotor shaft of the first motor to form a fourth transmission shaft, and the second gear ring constitutes an output shaft; the input shaft is connected to an output end of an engine through a torsional damper; one end of a first brake is connected to the first motor, and the other end is connected to a gearbox housing; one end of a second brake is connected to the second motor, and the other end is connected to a gearbox housing. By using various embodiments in the present application, the device structure can be optimized and the transmission efficiency can be improved.

The utility model discloses a middle partition plate assembly and an air conditioner outdoor unit. The middle partition plate assembly comprises a middle partition plate and an electric control box mounting plate. The middle partition plate assembly is used for the air conditioner outdoor unit, the air conditioner outdoor unit comprises a shell, the middle partition plate is arranged in the shell and used for dividing the space in the shell into a fan cavity and a compressor cavity, a mounting opening and a wire passing opening are formed in the middle partition plate, and the wire passing opening is located below the mounting opening and communicates with the mounting opening; the electric control box mounting plate is arranged at the mounting opening, at least one of the two sides, in the thickness direction of the middle partition plate, of the lower end of the electric control box mounting plate is provided with a folded edge, the folded edge is supported on the lower edge of the mounting opening, at least part of the folded edge is located on the side, away from the fan cavity, of the middle partition plate, and the folded edge is arranged opposite to the wire passing opening in the vertical direction. According to the middle partition plate assembly, wires can penetrate through the middle partition plate assembly conveniently, installation is easy, the assembling efficiency is high, rain and water can be shielded, the stability and safety of the air conditioner outdoor unit are improved, and meanwhile the assembling and production cost is reduced.

An integrated and optimized drawer adjustment structure includes a movable slide and a side panel. The side panel is made of a metal material and is provided with a flat side surface. The side surface extends downward and is integrally bent or separately provided with a support portion. A front connection device is provided below the support portion. The front connection device includes a bracket. The bracket is located below the support portion and is provided with a front buckle and an up and down adjustment component. A notch portion is provided at the front of the movable slide, and its front end abuts against the bracket. The front buckle is elastically movable on the bracket, and is mutually buckled or separated with the notch portion when elastically movable, so as to realize a detachable mating connection between the movable slide and the side panel. The up and down adjustment component is movably arranged on the bracket, and drives the side panel to move up and down relative to the movable slide when movable, so as to realize the up and down position adjustment between the movable slide and the side panel. The present invention has strong practicality through the improvement of the above structure.

The utility model discloses an energy storage converter and energy storage equipment. The energy storage converter comprises a shell and a starting structure. The shell comprises a main body and a side plate, a containing groove is formed in the side of the main body, and the side plate is detachably arranged on the main body and used for opening and closing the containing groove; the side plate is detachably connected with the main body through the starting structure, the starting structure comprises a locking piece and a starting piece, the locking piece is arranged on the main body, the starting piece is located on the inner side of the side plate and connected with the side plate, the starting piece is used for being locked with or unlocked from the locking piece, and when the starting piece is pressed, the starting piece and the locking piece move relatively, so that when the starting piece and the locking piece are unlocked, the starting piece is unlocked. The side plate can slide relative to the body to open and close the containing groove. And the side plates can be conveniently disassembled and assembled on the main body in a sliding manner, so that the side plates are mounted more smoothly, and the risk that the shell is damaged due to conventional disassembly and assembly of the side plates can be prevented.

The present invention discloses a coffee machine, comprising: a housing, having a first installation cavity, the first installation cavity is provided with a first opening, the first opening is opened and closed by a detachable cover plate; a bracket, having a second installation cavity, the bracket is detachably installed in the first installation cavity, the second installation cavity has a second opening; a main body, detachably installed in the second installation cavity, the main body has a brewing cavity, the two ends of the brewing cavity are respectively provided with a water inlet and a water outlet, and the side of the brewing cavity has a feed inlet for coffee powder to enter; the main body can enter and exit the first opening and the second opening; a first sealing plate and a first power source, the first sealing plate is movably installed in the main body, the first sealing plate can open and close the water inlet, the first power source is installed on the bracket, and the first power source drives the first sealing plate to move; a water outlet sealing plate assembly is installed on the bracket, the output end of the water outlet sealing plate assembly can slide in the brewing cavity, and the water outlet sealing plate assembly has a water outlet channel. The above scheme can simplify the structure of the coffee machine.

The invention relates to the technical field of vehicle heat management, in particular to a cold and hot channel coupled intelligent heat pump control system which comprises an air conditioning system refrigerant loop, a power cooling loop and a battery heat management loop. The air conditioning system refrigerant loop comprises an external condenser, an external condenser expansion valve, a Chiller expansion valve, a Chiller, an electric compressor, a gas-liquid separator, a refrigerant four-way valve, a throttling valve, an evaporator, an evaporator expansion valve and an internal condenser which are sequentially connected. According to the intelligent heat pump control system with coupled cold and hot channels, a high-temperature and high-pressure gaseous refrigerant is subjected to two refrigerant processes in a heat pump mode, a lower enthalpy value can be achieved, an inlet and an outlet of an external condenser have a larger enthalpy difference, and therefore the heat absorption capacity of the external condenser is improved; and the air outlet temperature of the air conditioning box can be greatly increased through two times of temperature rise.

The utility model discloses a miniature loudspeaker which comprises a magnetic circuit assembly, a voice coil, a vibrating diaphragm, an FPC assembly and a top plate. The vibrating diaphragm comprises an outer ring body, an inner ring body and an arched part connected between the outer ring body and the inner ring body; the FPC assembly is connected with the vibrating diaphragm and comprises an annular outer ring part, a middle ring part connected with the outer ring part and an inner ring part connected with the middle ring part, the outer ring part, the middle ring part and the inner ring part are each composed of a multi-layer structure, and the number of layers of the middle ring part is smaller than that of the outer ring part and larger than that of the inner ring part; the top plate is connected with the FPC assembly and the vibrating diaphragm and seals the inner ring body. According to the utility model, the overall FPC assembly design effectively ensures the realization of hardness, compliance, quality and process, so that the condition of mass production is met.

The utility model discloses an environment-friendly gas insulated circuit breaker with uniform electric field distribution, which relates to the technical field of environment-friendly gas insulated circuit breakers and comprises a circuit breaker shell, a permanent magnet mechanism is arranged in the circuit breaker shell and used for quick assembly, and the permanent magnet mechanism comprises a manual opening assembly, a permanent magnet and a permanent magnet, the assembling assembly is arranged in the circuit breaker shell, the side plate is in lap joint with a boss of the top plate in a lock catch mode, the top plate is in lap joint with a boss of the upper isolation knife holder in a lock catch mode, and the isolation baffle is installed on the top of the top plate in a sliding mode. The vacuum arc-extinguishing chamber insulation baffle plate and the side plate are installed together through the tenons on the two sides and the mortises formed in the side plate, no metal piece can be seen from the appearance of the whole switch insulation plate, the overall weight is reduced, the assembly process is simpler and more convenient, and the production cost is reduced only by carrying out tenon-and-mortise lap joint according to a drawing. And permanent damage to the insulating plate due to a traditional bolt fixing mode is avoided.

The invention discloses a novel auxiliary tool for clutch assembly assembling, and relates to the technical field of clutch assembly assembling, the novel auxiliary tool comprises a first mounting plate, and the bottom of the first mounting plate is detachably connected with a second mounting plate through a mounting mechanism; and the side wall of the first mounting plate is connected with two symmetrically arranged first moving blocks through a first moving mechanism. According to the novel auxiliary tool for assembling the clutch assembly, manual carrying is replaced with lifting of the lifting appliance, the quality problems that parts fall off and oil seals are scratched in the original manual carrying process are solved, the labor intensity of workers is reduced, and the quality and the production efficiency are improved; the assembly process is optimized, original single assembly assembly is improved into clutch assembly combined assembly on line, the operation time of personnel is shortened, and the working efficiency is improved; the press-fitting mode is optimized, the bolt tightening force of the pneumatic wrench is converted into thrust, manual press-fitting is replaced, labor intensity is lowered, potential safety hazards existing in manual press-fitting are eliminated, and production efficiency is improved.

The utility model discloses a small-sized rapid air bypass switch, which comprises an insulating shell and an insulating cover body which are fixedly connected through a bolt, one side of the insulating cover body is fixedly connected with a cable fixing head, a static copper bar and a soft copper bar are arranged in the insulating shell, and a manual opening mechanism and a pulse electromagnetic limiting mechanism which are vertically distributed are arranged in the insulating shell. One end of the static copper bar is fixedly connected with the insulating shell, the soft copper bar is fixedly connected with the manual opening mechanism, and the other ends of the static copper bar and the soft copper bar extend out of the insulating shell. The bypass switch has the advantages that the overall closing operation speed is high, the service life is long, damage is not prone to occurring, the number of parts used for the bypass switch is greatly reduced, the mechanical structure is simple, the assembly process is convenient, the production cost of the bypass switch is reduced, the mechanical structure between the parts is more stable, the service life of the bypass switch is effectively guaranteed, and the service life of the bypass switch is prolonged. And meanwhile, the use reliability of the bypass switch is ensured.

This utility model relates to a pouch battery cutting device, including a platform supporting the pouch battery. An upper cutter and a lower cutter are respectively arranged on opposite sides of the platform. The upper and lower cutters move relative to each other to cut the tabs or packaging material of the pouch battery. The cutting device further includes: a pressure plate disposed above the platform; multiple elastic connecting devices disposed at the four corners of the pressure plate, the pressure plate being connected to a mounting bracket via the elastic connecting devices, and the upper cutter mounted on the mounting bracket; at least one set of limiting devices disposed on opposite sides of the pressure plate to limit the travel displacement between the pressure plate and the mounting bracket; and a drive cylinder with its drive shaft connected to the pressure plate for lifting and resetting the pressure plate. This application can improve the cutting accuracy and quality of pouch batteries, reduce vibration during cutting, extend the service life of the cutter, and reduce production costs.

The utility model discloses a novel lathe bed structure, which relates to the technical field of horizontal machining centers and comprises a Z-axis lathe bed base, a Z-axis sliding rail is arranged on the upper end face of the Z-axis lathe bed base, and a transverse frame mounting seat is arranged on the rear side of the upper end of the Z-axis lathe bed base. According to the novel lathe bed structure, the Z-axis lathe bed base, the transverse frame installation base, the X-axis lathe bed transverse frame and the like are arranged, the lathe bed structure is composed of the Z-axis lathe bed base and the X-axis lathe bed transverse frame, and the guide rail straightness of the Z-axis lathe bed base and the guide rail straightness of the X-axis lathe bed transverse frame can be guaranteed through grinding machining and micro-scraping; the perpendicularity can be adjusted through the left adjusting block and the right adjusting block on the rear portion of the transverse frame installation base, after the perpendicularity is adjusted to the required index, the perpendicularity is pressed through the left wedge-shaped pressing block and the right wedge-shaped pressing block, then the connecting screws are fastened, the rigidity after connection is guaranteed, the perpendicularity of the X axis and the Z axis can be rapidly controlled to be about 5 micrometers according to the adjusting mode, and finally the assembling technology is optimized. And the assembling efficiency and the assembling precision are improved.