838results about How to "Reasonable layout" patented technology

The invention belongs to the technical field of water quality remote sensing monitoring, and particularly relates to a sky-ground remote sensing integrated lake and reservoir water quality parameter quantitative inversion method. Qualitative inversion is carried out on water quality parameters through medium-high resolution satellite remote sensing images, and ground sampling points are reasonably arranged. And carrying out ground and air collaborative operation, including on-site water body sampling and unmanned aerial vehicle flight, so as to ensure the consistency of sampled water quality parameters and unmanned aerial vehicle image spectral characteristics. The sampling point water body sample is sent to a laboratory to be tested, and measured data are obtained. An unmanned aerial vehicle image is subjected to preprocessing including splicing and radiation correction, and a reflectivity image map is obtained. Water vector data are extracted by using an unmanned aerial vehicle image, a remote sensing quantitative inversion model of water quality parameters is established, and the model is analyzed and optimized through an optimal wave band combination. And in combination with the unmanned aerial vehicle image, the inversion model and the water body vector data, obtaining a water quality parameter quantitative inversion result and spatial distribution characteristics in the lake and reservoir range. The method can improve ground sampling rationality and time coordination of lake and reservoir water quality monitoring, and supports long-term high-precision dynamic monitoring.

The invention relates to a humanoid robot lower limb structure and a robot. The lower limb structure comprises a hip unit, a thigh unit, a shank unit and a foot unit. The hip unit comprises a hip seat body, a first joint structure, a thigh swing drive, a thigh rotation drive and a thigh side-sway drive; the first joint structure comprises a first movable seat and a second movable seat; the thigh swing drive is mounted on the inner side of the hip seat body, and an output rotating shaft of the thigh swing drive is connected with the first movable seat; the thigh rotation drive is fixedly connected with the second movable seat, and an output rotating shaft of the thigh rotation drive is connected with the upper end of the thigh unit; the thigh side-sway drive is fixedly connected with the first movable seat, and an output rotating shaft of the thigh side-sway drive is connected with the second movable seat; the axial direction of a rotating shaft driven by thigh swing is parallel to the first direction; the axial direction of a rotating shaft of the thigh side-sway drive is perpendicular to the first direction; the axial direction of the rotating shaft of the thigh rotation drive is perpendicular to the first direction and the axial direction of the rotating shaft of the thigh side-sway drive.

The invention discloses an H-shaped steel automatic welding roller way conveying system. Comprising a lower wing plate feeding line, a web feeding line, an upper wing plate feeding line, a lower wing plate and web assembly line, a T-shaped steel assembly welding straightening blanking transition line, a T-shaped steel assembly welding straightening blanking line, a web lifting turnover line, a T-shaped steel upper wing plate assembly line, an H-shaped steel assembly welding straightening blanking transition line and an H-shaped steel assembly welding straightening blanking line which are arranged in parallel in the same direction. The lower wing plate feeding line, the lower wing plate web assembling line, the T-shaped steel assembling, welding and correcting discharging line, the web feeding line, the upper wing plate feeding line, the T-shaped steel upper wing plate assembling line and the H-shaped steel assembling, welding and correcting discharging line are each composed of a plurality of roller bed units. The web lifting turnover line is composed of a plurality of lifting roller bed units; and the T-shaped steel assembling, welding and straightening blanking transition line and the H-shaped steel assembling, welding and straightening blanking transition line are respectively composed of a plurality of transition roller bed units. The problems that an existing H-shaped steel welding production line is high in labor intensity and low in efficiency, and safety factors exist in a working site can be solved.

The invention discloses a notebook computer cooling system with a liquid cooling assisting function. The notebook computer cooling system comprises a notebook computer end and a liquid cooling assisting end. The notebook computer end comprises a first liquid input interface, a second liquid output interface and the like; the liquid cooling auxiliary end comprises a liquid cooling auxiliary body, a first auxiliary buckle, a second auxiliary buckle and the like. The notebook computer end is further provided with a CPU heat dissipation closed area, a graphics card heat dissipation closed area and the like. The liquid cooling auxiliary body comprises a first transverse bar layer, a second metal pipe layer and the like. According to the system, the notebook computer can be correspondingly kept light and thin while the system has good heat dissipation performance, and the requirements of a user for high performance and portability are met.

The invention relates to a vehicle-mounted refrigerator with an ice making function, which comprises a main refrigerator body, a refrigerating inner container capable of placing food and drink is arranged in the main refrigerator body, an auxiliary refrigerator body is connected to the outer side of the main refrigerator body, the main refrigerator body and the auxiliary refrigerator body are fixedly connected through an assembling mechanism, and an electric appliance cavity is formed between the main refrigerator body and the auxiliary refrigerator body. A refrigeration mechanism and an ice maker are arranged in the electric appliance cavity, the ice maker and the refrigeration mechanism are sequentially distributed from top to bottom, the ice maker and the refrigeration mechanism are communicated through a pipeline, the ice maker can better utilize the space position above the refrigeration mechanism, and the vehicle-mounted refrigerator can have the effects of making ice blocks and cooling the storage cavity at the same time; the overall layout is relatively reasonable, more space positions can be saved, and use by a user is facilitated.

The invention relates to a spot welding fixing device for automatic longitudinal adjustment, which comprises a group of walking end beams which are symmetrically arranged, each walking end beam is provided with a group of upright posts, a main cross beam is arranged between the two walking end beams, and the main cross beam is connected with the upright posts in an up-and-down movable manner through a longitudinal adjustment device; a visual camera, a laser position sensor, a longitudinal bone adsorption device and a longitudinal bone pressing device are installed below the main cross beam, and the longitudinal bone pressing device is used for pressing a longitudinal bone so that the longitudinal bone can be attached to the panel; the longitudinal adjusting device is arranged on the inner side of the stand column and connected with the longitudinal adjusting electric push cylinder, and the longitudinal adjusting device is pushed by the longitudinal adjusting electric push cylinder to be used for adjusting the position and the angle of the longitudinal; the automatic electric welding robots are installed on the two sides of the main cross beam through linear guide rails. In the using process, the positions and the angles of the longitudinal ribs are automatically adjusted according to different incoming material positions, then the longitudinal ribs and the panel are fixed in a spot welding mode through a welding trolley, and therefore the welding efficiency of plane segmentation is greatly improved.

The invention relates to the technical field of engine oil filters, in particular to a multistage filtering engine oil filter which comprises a shell, a filter paper frame is coaxially arranged in the shell, the surface of the filter paper frame is coaxially sleeved with a rough filtering inner sleeve, and the surface of the rough filtering inner sleeve is movably sleeved with a rough filtering outer sleeve capable of moving up and down. First filter holes for rough filtration are uniformly distributed in the surfaces of the rough filtration inner sleeve and the rough filtration outer sleeve, the rough filtration outer sleeve moves up and down to enable the first filter holes in the rough filtration outer sleeve and the first filter holes in the rough filtration inner sleeve to be in a staggered closed state, a lower opening is formed in the lower end of the shell, and a collecting cover is coaxially mounted at the lower end of the shell; the invention aims to solve the problem that after the bypass valve of the engine oil filter is opened, impurities attached to filter paper are easily separated from the filter paper and flow to the positions of all oil-consuming parts of an engine through the bypass valve along with engine oil.

The utility model discloses a robot pre-encapsulation full-weighing system which comprises a nest box conveying line, a nest separating device and a nest returning device, wherein the nest separating device and the nest returning device are respectively positioned at two ends of the nest box conveying line; a first bottle body transfer manipulator, a second bottle body transfer manipulator and a third bottle body transfer manipulator are sequentially arranged on one side of the nest box conveying line in the conveying direction of the nest box conveying line, and a filling and weighing device is arranged between the first bottle body transfer manipulator and the second bottle body transfer manipulator. And a sealing device is arranged between the second bottle body transfer manipulator and the third bottle body transfer manipulator. The robot pre-filling and full-weighing system has the advantages of being convenient to take and load nests of bottle bodies, reasonable in overall layout, high in production efficiency and the like.

The invention provides an emergency electric seawater desalination box for a ship. The emergency electric seawater desalination box comprises a box body assembly, a membrane assembly, a battery assembly, a pump motor assembly, an electric control box assembly, a fixing frame assembly and the like, the box body assembly is connected with the fixing frame assembly through screws. The membrane assembly, the battery assembly and the like are connected with the fixing frame assembly through clamping grooves or screws, so that each assembly is prevented from being damaged during shaking or carrying; the battery assembly drives all the electric appliance assemblies to operate through the electric control box. A shock pad is mounted below the pump motor assembly, so that the motor is prevented from being damaged by excessive vibration; electric energy is adopted as an energy source for seawater desalination, and a rechargeable battery is installed to get rid of the rigid need for a continuous power supply, so that the emergency use requirements on the sea and in the field are met; the membrane device is arranged in a three-section tandem manner in a limited space, so that the energy consumption and the size of the device are reduced while the water yield is high; all the components are connected through the fixing support, all the components are reasonable in layout, and the device is high in stability, small in overall size and high in carrying convenience.

The invention relates to the technical field of laying and erecting line assemblies, in particular to a combined color steel corrugated cable bridge which comprises a cable installation bottom frame, the top of the cable installation bottom frame is movably sleeved with an assembly top plate, a transverse moving frame is arranged at the bottom of the assembly top plate, and L-shaped bent plates are arranged on the two sides of the assembly top plate. A circular clamping strip is arranged at the bottom of the L-shaped bending plate, corresponding cables can be quickly and accurately found during equipment maintenance, troubleshooting or line reconstruction, the working efficiency is improved, different cables can be distinguished through marks or colors, after being fixed in a cable bridge, the cables are more convenient to identify and manage, and the cable bridge is more convenient to use. The method is particularly important for a large-scale project or a complex electrical system, misoperation and potential safety hazards can be reduced, and meanwhile, the cable can be effectively prevented from being influenced by external environments such as dust, moisture and corrosion. The cable bridge is usually made of corrosion-resistant, waterproof and dustproof materials, and reliable protection can be provided for the cable.

The utility model relates to the technical field of automobile transmission assembly, in particular to a heavy transmission assembly line. The assembly line comprises a final assembly production line, a split charging line and a transfer mechanism, the final assembly production line comprises a conveying line, a plurality of final assembly stations are arranged on the conveying line, a final assembly tray is connected to the conveying line, and a first turnover machine is arranged on the final assembly tray. The sub-packaging lines are located on one side of the conveying line, the multiple sub-packaging lines are arranged in the conveying direction of the conveying line, and second turnover machines are arranged on part of the sub-packaging lines. By means of the assembly line, after part of parts of the transmission are assembled on the split charging line, the parts assembled on the split charging line are transferred to the final assembly station through the transfer mechanism to be assembled. And manual operation is replaced by mechanical operation for overturning and transferring the parts of the heavy transmission, so that the labor intensity is reduced. In addition, the split charging line and the general assembly line are reasonably arranged, so that line production and mutual cooperation of workers among stations are facilitated, and the production efficiency is improved.

The invention discloses a clustered electric heating type low-temperature reboiler, and relates to the field of low-temperature liquid heating equipment, the clustered electric heating type low-temperature reboiler comprises a rectifying tower, a plurality of liquid storage cylinders and a plurality of electric heating wire fixing assemblies, the bottom of the rectifying tower is provided with the plurality of liquid storage cylinders, and the plurality of electric heating wire fixing assemblies are detachably connected to the liquid storage cylinders; specifically, the electric heating wire fixing assembly comprises an annular body defined by two semi-annular bodies, the opposite ends of the two semi-annular bodies are hinged together, the other opposite ends of the two semi-annular bodies are connected together in a clamped mode, the annular body is arranged on the first groove of the liquid storage cylinder in a sleeved mode, a cavity is formed in each semi-annular body, and an electric heating wire is arranged in each cavity in a penetrating mode. The reboiler is ingenious in conception and reasonable in layout, the electric heating element is convenient to disassemble and replace through improvement of the electric heating wire fixing assembly, normal and efficient work of the reboiler is guaranteed, and the problem that in the prior art, an electric heater is inconvenient to disassemble when fixedly connected is solved.

The utility model discloses a multi-specification rope embroidering device which comprises a base frame, a rope embroidering assembly which is matched with the base frame in a sliding manner and is provided with the rope embroidering assembly, a first driving structure for driving a looping head of a rope embroidering mechanism entering a working position, and a first sliding driving structure for driving the corresponding rope embroidering mechanism to slide to the working position, the second sliding driving structure is used for driving the first driving structure to enter a driving position, so that the driving shaft is matched with or separated from the transmission shaft of the corresponding rope embroidering mechanism entering the working position, and the second transmission assembly is used for transmitting power of the driving shaft to the transmission shaft of the corresponding rope embroidering mechanism entering the working position. And finally, the looping head is driven to work through transmission of the first transmission assembly. The multi-specification rope embroidering device is reasonable in layout and compact in structure, at most three motors and one air pressure push rod are arranged, and the multi-specification rope embroidering device with at least three colors or more than four colors can be arranged. Compared with an existing device structure, the number of motors is reduced, the structure is greatly simplified, use is reliable, and use cost is reduced.

The utility model provides a wafer clamping jaw base and a wafer clamping jaw, and belongs to the technical field of semiconductors. In order to solve the problem that the wafer carrying mode is limited due to the fact that the types of wafer clamping jaws are difficult to switch, the wafer clamping jaw base comprises a base body, a wafer clamping mechanism and a vacuum control mechanism, and one end of the base body is provided with an installation area used for installing a lifting type clamping jaw body or a vacuum suction type clamping jaw body. The wafer clamping mechanism and the vacuum control mechanism are arranged close to the mounting area; the wafer clamping mechanism is used for being matched with the lifting type clamping jaw body to clamp a wafer, the vacuum control mechanism is used for being matched with the vacuum suction type clamping jaw body to suck the wafer, the vacuum control mechanism comprises a first air channel and a second air channel, and the first air channel and the second air channel are arranged on the two sides of the wafer locking mechanism respectively and penetrate through the mounting area. The wafer clamping jaw can be matched with a lifting type clamping jaw body and a vacuum suction type clamping jaw body at the same time, so that switching of the two types of wafer clamping jaws is achieved, and the flexibility of a wafer carrying mode is improved.

The utility model discloses a photovoltaic module packing line feeding device. The device comprises an elevator, a guide module arranged in the middle of the elevator, a photovoltaic module feeding placement area defined by the guide module, and a transfer mechanism located on the right side of the guide module. The conveying trolley is located above the transferring mechanism and is driven by the transferring mechanism to move left and right; the conveying module is fixed on the conveying trolley and is used for conveying the photovoltaic module on the lifting machine to a packaging conveying line on the right side; when the conveying trolley drives the conveying module to move leftwards, the conveying module can stretch into the elevator to receive the photovoltaic module lifted by the elevator and convey the photovoltaic module rightwards, and when the conveying trolley drives the conveying module to move rightwards, the conveying module communicates with a packaging conveying line. The automatic conveying and feeding device is reasonable in layout, capable of saving space, capable of achieving automatic conveying and feeding of the photovoltaic module packing line, stable in conveying and high in conveying efficiency.

The invention discloses an array server configuration method suitable for AIPC and a server, and relates to the field of server configuration.The method comprises the steps that calculation demand characteristics of a target application scene are obtained, and the calculation demand characteristics comprise the single-machine calculation power demand, the network interconnection demand and the storage capacity demand; calculating the number of target computing power modules according to the single-machine computing power demand, and calculating the number of target storage modules according to the storage capacity demand; constructing a server topology model according to the calculation demand characteristics, and calculating an estimated flow of data transmission between modules in the server topology model according to the server topology model; according to the number of the target computing power modules, the number of the target storage modules and the estimated flow, a server layout mode comprising the computing power modules, the storage modules and the network switching module is determined in a server topology model, and by implementing the method, the resource allocation balance of the array server can be improved.

The utility model provides an underwater robot for bridge detection, which relates to the technical field of bridge detection, and comprises a robot main body, a floating component for providing floating force is arranged at the upper part of the robot main body; the propeller set comprises two side propellers and two tail propellers, the two side propellers are located on the front face of the robot body, and the two tail propellers are located at the same end of the buoyancy assembly and symmetrically arranged front and back; and the two symmetrical walking mechanisms are arranged on the robot main body through mounting structural members. The beneficial effects of the utility model are that through the reasonable layout of the propeller group and the cooperative work of the propellers at the two sides and the tail part, accurate water surface positioning and movement are realized, and the robot is ensured to smoothly approach and fit a pile foundation from the water surface; the posture of the whole machine does not need to be adjusted when the pile foundation is close to the pile foundation, and the pile foundation can be directly adsorbed and attached through the propellers on the two sides; a tensioning mechanism in the walking mechanism has self-adaptability, and an elastic support is matched with a connecting frame connected in a sliding mode.

The utility model discloses an oyster breeding platform driven by wave energy, which comprises a platform body (1), and is characterized in that the platform body (1) comprises a plurality of hollow shells (2) which are parallel to one another, the adjacent hollow shells (2) are connected through a plurality of cross beams (3), a plurality of groups of support frames (4) are arranged on the platform body (1), a rotating cage (5) is rotatably supported on the support frames (4), and the rotating cage (5) is connected with the hollow shells (2) through the cross beams (3). The platform body (1) is further provided with a plurality of Solter type nodding duck mechanisms (6), the output end of each Solter type nodding duck mechanism (6) is connected with a rotating shaft of one rotating cage (5) through a belt wheel transmission pair, and the four corners of the platform body (1) are further connected with floating barrels (8) through ropes (7) respectively.

The invention relates to the technical field of mechanical equipment, in particular to a dry ice cleaning machine which comprises a feeding mechanism, a cleaning mechanism, a discharging mechanism and a conveying line, the feeding mechanism and the discharging mechanism are arranged at the two ends of the conveying line in the X-axis direction, and the cleaning mechanism is arranged between the feeding mechanism and the discharging mechanism. Comprising a dry ice machine, a spraying assembly and a waste adsorption assembly, the spraying assembly and the waste adsorption assembly are oppositely arranged on the two sides of a conveying line in the Y-axis direction, so that the spraying assembly is used for spraying dry ice to blow off a to-be-removed part of a workpiece and enable the to-be-removed part to form waste, and the waste adsorption assembly is used for adsorbing the waste in a negative pressure suction mode. And particularly, for a welding tip of a pin of an electronic plug connector, the tip is removed through dry ice to realize cleaning of the workpiece, so that the phenomenon that the product performance is influenced due to breakage in the subsequent use process can be prevented, and the reliability of the product is improved.

The invention provides a website layout method and device based on spatial clustering analysis and electronic equipment, and relates to the field of website layout, and the method comprises the steps: determining the types of all target products according to historical sales volume data, carrying out the grid processing of a target hot spot region, determining each sub-grid region, and carrying out the grid processing of the target hot spot region; calculating a variance value between the grid clustering center and a standard grid clustering center, and analyzing and processing the sub-grid regions by using kernel density to obtain an aggregation region; and adjusting the sales volume of each target product by using the variance value and the aggregation region to obtain the adjusted sales volume of each target product, determining the order quantity of the target products according to the target POI, determining the fishing net region with the maximum order quantity as a target network point, and determining the product configuration quantity of each target product. According to the method, store layout site selection, product selection and product quantity configuration can be realized, spatial distribution of store site selection factors is evaluated by adopting spatial clustering, the order quantity of a fishing net area is calculated, and a more reasonable network layout is given.

The utility model discloses a door machine used multifunctional button control box with a lock, comprising a box body and a cover body which are oppositely arranged front and back, the cover body and the box body are matched to form an installation chamber inside, the box body is used for being in butt joint with a wall surface, and a display panel, a logic function panel, a button panel and a self-locking switch are arranged in the installation chamber. The display panel and the button panel are arranged on the left side and the right side respectively and detachably connected with the cover body, the logic function panel is located on the rear side of the button panel and detachably connected with the cover body, the button panel, the logic function panel and the display panel form a staggered layer structure, and the self-locking switch is arranged below the display panel and detachably connected with the cover body. The self-locking switch is used for enabling the button box to be in a locking state and the keys not to be correspondingly controlled, the overall structural layout of the control box is reasonable, space utilization is more sufficient, the button box can be in the locking state and the keys not to be correspondingly controlled due to the arrangement of the self-locking switch, and therefore the risk that equipment is started by mistakenly touching the keys is avoided.

The utility model relates to the field of power grid switch cabinets, in particular to a low-voltage cabinet of a high-capacity photovoltaic box-type substation. A low-voltage cabinet of a large-capacity photovoltaic box-type substation comprises a cabinet body and a low-voltage distribution box connected with the cabinet body, the cabinet body is divided into an upper layer and a lower layer through a lower busbar, the cabinet body comprises a main cabinet and an auxiliary cabinet which are movably connected, a frame circuit breaker is installed on the upper layer of the main cabinet, and a plurality of lower-row molded case circuit breakers are arranged on the lower layer of the main cabinet. The plurality of lower-row molded case circuit breakers extend to the lower layer of the auxiliary cabinet and are sequentially arranged at intervals, the upper layer of the auxiliary cabinet is provided with a plurality of upper-row molded case circuit breakers and an upper busbar, and the upper layer of the auxiliary cabinet is also provided with a UPS (Uninterrupted Power Supply) system; according to the utility model, by designing the installation cross arms and the installation plates, various components are reasonably arranged in a limited space, and the molded case circuit breakers are divided into an upper row and a lower row for installation according to a multi-outgoing-line loop layout, so that the overall dimension of the whole low-voltage cabinet is reduced.

The invention provides an enamelling machine for mold painting, which comprises a painting workbench, a support frame arranged below the painting workbench, a guide wheel assembly arranged at the front end of the painting workbench, two rows of painting molds arranged above the painting workbench, painting nozzles arranged in the painting molds, the painting nozzles fixed on nozzle fixing clamping holes, and a plurality of nozzles fixed on the painting workbench. A wire body is arranged right in front of the painting nozzle, a paint liquid connecting pipe is arranged on the rear side of the painting nozzle, and a backflow mechanism is arranged below a paint liquid backflow conveying pipe; by arranging the two rows of painting molds, painting operation can be conducted on a plurality of wire bodies at the same time, and the production efficiency is greatly improved; the painting nozzles are fixed on the nozzle fixing clamping holes, so that paint liquid can be uniformly sprayed on the line body, and the painting quality and uniformity are improved; and the paint liquid backflow hole is formed in the bottom of the painting mold, and is matched with the paint liquid backflow conveying pipe and the backflow mechanism, so that redundant paint liquid can be recycled, the waste of the paint liquid is reduced, and the production cost is reduced.

The invention discloses a somatosensory control bionic mechanical arm device and a control method, and belongs to the technical field of industrial mechanical arms. The device comprises a base platform, a positioning mechanism, an execution mechanism, a steering engine power device, a tendon rope transmission device and an execution locking device, a steering engine is adopted to drive a protection execution terminal to move, tendon rope transmission realizes bending and swinging of the execution mechanism, and the execution locking device is integrated with an electromagnet to improve the load capacity and the execution stability. An elastic recovery rope and a guide technology guarantee self-adaptive extension of the actuating mechanism, a cross beam reinforces and improves the strength of a positioning mechanism, and a limiting chute guarantees reasonable angle of a rotating shaft. According to the control method, action information is collected through the bending sensor and the pose sensor, and precise control over the manipulator is achieved in combination with inverse kinematics analysis and closed-loop control. The mechanical arm solves the problems that a traditional mechanical arm is large in weight, high in inertia and insufficient in positioning precision, and is reasonable in layout, convenient to maintain and suitable for high-precision and high-flexibility operation scenes.

The utility model discloses a dual-motor driving system which comprises a first motor and a second motor which are vertically arranged, the first motor and the second motor are close to each other, motor shafts of the first motor and the second motor are arranged in a back-to-back mode, and the motor shaft of the first motor is in transmission connection with a first output shaft through a first transmission assembly. A motor shaft of the second motor is in transmission connection with a second output shaft through a second transmission assembly, the first output shaft and the second output shaft are coaxial, and the distance between the first output shaft and the motor shaft of the first motor is equal to the distance between the second output shaft and the motor shaft of the second motor. The utility model has the advantages that: the layout is reasonable, the radial arrangement of the first motor and the second motor can greatly reduce the axial size, reduce the occupied arrangement space of the chassis structure, and can give consideration to the dynamic property and economical efficiency of the whole vehicle to the greatest extent. According to the design, the requirement for the space of the whole vehicle is low, and wide applicability is achieved.

The utility model discloses a charger with a telescopic line, which is characterized in that a telescopic line structure and the charger are combined into an integrated structure, so that a data line can stretch out or retract, the data line can be retracted into the telescopic line structure to be stored when the charger is not used, and the situations that the data line is in a mess and other articles are dragged out together when the data line is taken are avoided. The telescopic line structure is erected at the position, above the corresponding circuit board, in the charger, so that the telescopic line structure and elements in the charger form an up-down adjacent distribution structure, the layout is reasonable, and the situation that the charger abnormally heats due to the unreasonable layout of the internal structure of the charger is avoided.

The invention provides an energy storage PCS arcing test system. The energy storage PCS arcing test system comprises a cabinet body and a panel arranged on the cabinet body. The positive electrode arcing interface unit, the negative electrode arcing interface unit and the battery arcing interface unit are electrically connected with the PCS arcing testing device, and the positive electrode arcing interface unit, the negative electrode arcing interface unit and the battery arcing interface unit are arranged on the panel; a decoupling circuit testing device, a first interface unit and a second interface unit, the decoupling circuit testing device is located in the cabinet body, and the first interface unit and the second interface unit are arranged on the panel; and the arc discharge generation part is used for generating an arc, and the positive electrode arc discharge interface unit, the negative electrode arc discharge interface unit and the battery arc discharge interface unit share the arc discharge generation part. According to the energy storage PCS arcing test system of the technical scheme of the invention, components for detecting positive arcing, negative arcing and battery pack arcing are reasonably arranged, and detection requirements of different scenes can be met.

The invention discloses a door lock which comprises a lock body, a main spring bolt, a driving gear, a driving seat and a grip seat are arranged on the lock body, the main spring bolt is in transmission connection with the driving gear, the grip seat is sleeved with a transmission gear meshed with the driving gear, and the driving seat is in sliding fit with the lock body. A driving motor, a first driven gear, a lifting gear, a damper and a second driven gear are arranged on the driving seat, the second driven gear is meshed with the driving gear, the first driven gear is meshed with the driving motor, a lifting groove is formed in the first driven gear, and a lifting boss inserted into the lifting groove is arranged on the lifting gear; matching teeth and a reset spring are arranged between the first driven gear and the second driven gear, and the damper is meshed with the lifting gear. A pressure spring is arranged between the lock body and the driving seat; an abutting flange is arranged on the peripheral wall of the grip base. The clutch device is simple in structure, rapid in clutch operation response, reliable in transmission structure use and good in use effect.

The invention discloses a screw assembling device for an automatic battery stack production line, which comprises a shell and is characterized in that an X-axis locking air cylinder distributed along the Y-axis direction is arranged in the shell, an X-axis locking pin is arranged at the working end of the X-axis locking air cylinder, an X-axis supporting plate is arranged in the shell, an X-axis locking pin is arranged at the working end of the X-axis locking air cylinder, and an X-axis locking pin is arranged at the working end of the X-axis supporting plate. An X-axis moving frame is connected to the X-axis supporting plate in a sliding mode through an X-axis sliding rail and sliding block mechanism, the X-axis moving frame is composed of an X-axis plate and a Y-axis plate which are connected with each other and perpendicularly distributed, a first positioning hole is formed in the X-axis plate, the X-axis locking pin is matched with the first positioning hole, and the Y-axis locking pin is matched with the Y-axis plate. The Y-axis plate is slidably connected with the Y-axis moving frame through a Y-axis sliding rail and sliding block mechanism, a Y-axis locking air cylinder distributed in the X-axis direction is arranged on the Y-axis moving frame, a Y-axis locking pin is arranged at the working end of the Y-axis locking air cylinder, and second positioning holes matched with the Y-axis locking pin are formed in the Y-axis moving frame and the Y-axis plate.

The invention belongs to the technical field of railway wagon air braking, and discloses a railway wagon air braking modular assembling device which comprises an L-shaped hanging seat, a module hanging bracket and an air braking assembly, the air braking assembly comprises an auxiliary air cylinder, a double-chamber air cylinder, a pressure limiting valve and a 120 valve, the pressure limiting valve is installed on the module hanging bracket through an air path body, and the module hanging bracket is provided with an installation opening. The front side and the rear side of the module hanging bracket are provided with installation lapping plates, the L-shaped hanging seat and the installation lapping plates are vertically and mutually hooked and connected through bolts, and an upper longitudinal air cavity, a lower longitudinal air cavity and a vertical air cavity are formed in the air path body, the inner end of the lower longitudinal air cavity is communicated with two lower connectors on the left side of the pressure limiting valve, the inner end of the lower longitudinal air cavity on the front section penetrates leftwards to form a transverse air cavity, and the air brake integrated modular installation device has the advantages that air brake integrated modular installation is achieved, the space utilization rate is high, the structures are linked with one another, the working environment is improved, installation is easy and rapid, and cost is reduced.