39results about How to "Improve interchangeability" patented technology

The invention discloses a biomedicine standardized cubesat platform and a working method, and relates to the technical field of space.The biomedicine standardized cubesat platform adopts a 3U cubesat framework, the top layer of the 3U cubesat framework is provided with a satellite bus module, the middle layer of the 3U cubesat framework is provided with an energy and environmental control life support module, and the bottom layer of the 3U cubesat framework is provided with a biological experiment module; the satellite bus module is in bidirectional communication with the energy and environment control life support module and the biological experiment module through data interfaces. The satellite bus module further communicates with a ground station; the energy and environment control and life support module supplies energy to the satellite bus module and the biological experiment module through electrical interfaces, and provides oxygen supply, water supply and environment regulation and control support for the biological experiment module through a fluid transmission channel. Through a standardized and modularized cubesat structure, the functions of biological sample culture, environment regulation and control, real-time monitoring, data return and the like are integrated, and a low-cost and quick-response technical support is provided for space life science experiments.

The application discloses a dual-redundancy steering engine control system for a UAV and a configuration method, comprising M steering engine controllers and N steering engines; the M steering engine controllers are connected with a flight pipe computer through a bus; each of the steering engine controllers has n channels and is connected with n steering engines; N>n, N>=M; the steering engines comprise dual-redundancy linear steering engines, dual-redundancy rotary steering engines, single-redundancy linear steering engines and single-redundancy rotary steering engines; wherein the dual-redundancy linear steering engines are connected with one channel of two different steering engine controllers respectively, the dual-redundancy rotary steering engines are connected with one channel of two different steering engine controllers respectively, and the single-redundancy linear steering engines and the single-redundancy rotary steering engines are connected with one channel of corresponding steering engine controllers. The dual-redundancy isosmorphism design is adopted, the two redundancies do not interact, work independently, the structure is simple, and the reliability is high.

A kind of circular cargo hatch cover assembly's set of devices, it includes base assembly, positioning insert, bolt connection seat positioning plate assembly, each positioning insert is arranged on base assembly, the center line of front, middle, rear positioning insert is located on the same straight line;Middle positioning insert two sides are equipped with the positioning slot of circular cargo hatch cover assembly's folding vertical plate and the pin shaft hole of connecting folding vertical plate;Bolt connection seat positioning plate assembly two ends are respectively with middle, rear positioning insert detachably fixed connection, bolt connection seat positioning plate assembly includes positioning plate and connecting seat, connecting seat is detachably arranged above positioning plate, positioning plate is provided with the clamping plate for the bolt mounting seat positioning of circular cargo hatch cover assembly.Using the set of devices can position each spare part of circular cargo hatch cover assembly, improve the assembly efficiency and assembly quality of circular cargo hatch cover assembly, ensure workpiece consistency, interchangeability is good, the circular cargo hatch cover assembly after assembly is opened flexible and good sealing.

The utility model discloses a beating type walnut shelling machine, which is used for shelling walnuts and consists of an integral mechanism, a shell breaking device, a material distributing device and a power device. The principle of the shell breaking device is based on a crank-link mechanism, a motor transmits torque to a shell breaking mechanism through a driving shaft, and up-down beating and shell breaking are achieved; meanwhile, the driving shaft drives the driven shaft to rotate through the transmission chain, the driven shaft is connected with the grooved wheel mechanism, the material distribution disc rotates synchronously and intermittently, feeding, beating and material sweeping are completed, and kernels are swept out through the rotating disc and fall into a recycling bin. The problems that the walnut shell breaking process is complex, the processing cost is high, industrial shell breaking extrusion is uneven, small workshops and homes are inconvenient, and the kernel yield is low are solved. The device is of a pure mechanical structure, operation is easy and convenient, repair and maintenance are convenient, and the technology and maintenance cost is reduced; and the mechanism is simple in transmission and high in hull breaking precision, and can bring certain economic benefits.

This utility model discloses a novel ventilated floor for grain storage and a grain storage facility. The novel ventilated floor comprises several floor panels, each rectangular in shape, which can be interlocked. Each floor panel contains a ventilation cavity, and ventilation holes communicating with the ventilation cavity are provided on all four sides of the floor panel. Multiple air outlets communicating with the ventilation cavity are provided on the top surface of the floor panel. This utility model embodiment ensures good ventilation performance while improving the convenience and safety of operations within the storage facility.

The utility model relates to the technical field of sealing pipe, and disclose a new energy automobile battery cooling plate connecting sealing pipe structure, including the connecting seat of installation at the cooling liquid import and export department of battery cooling plate, the opening end of connecting seat is equipped with fixed pipe, and the opening end of fixed pipe is connected with infusion pipe through connecting pipe, the one end of connecting pipe away from infusion pipe extends to fixed pipe and is equipped with sealing joint, and the inner wall of one end of fixed pipe close to connecting seat has spherical surface, and the free end of sealing joint is ball head and is close to spherical surface, the one end of sealing joint close to connecting pipe is sealedly connected with the inner wall of fixed pipe through sealing washer, and the outer periphery of connecting pipe is fixedly equipped with fixed ring, the utility model discloses triple sealing mechanism of spherical surface sealing, sealing washer sealing combination mechanical locking, compared with traditional screw connection, can effectively reduce the leakage rate of cooling liquid, thereby satisfying the sealing requirement of high pressure cooling liquid environment.

The utility model relates to the technical field of LNG (Liquefied Natural Gas) storage tanks, and discloses a hot corner protection device of an LNG storage tank, the LNG storage tank comprises an inner tank and an outer tank, and an annular accommodating space is arranged between the inner tank and the outer tank; the hot corner protection device is mounted in the accommodating space; the hot corner protection device comprises a first mounting seat, a second mounting seat and a wall plate; the first mounting seat and the second mounting seat are mounted at the top end and the bottom end of the accommodating space respectively; the number of the wall plates is multiple, the multiple wall plates are arranged in the circumferential direction of the containing space, and any two adjacent wall plates are tightly and fixedly connected. The wall plate is vertically arranged, and the two ends of the wall plate are connected with the first mounting base and the second mounting base correspondingly. According to the structure, complex typesetting design is omitted, the installation and design process is simplified, and the assembly difficulty is reduced. And the hot corner protection wall consists of a plurality of equal-width wall plates, so that the plate interchangeability is good, and the plate utilization rate is improved.

The invention relates to a micro photosensitive surface avalanche transistor center alignment device and a correction method thereof. The device comprises a pipe pressing ring 1, a pipe sleeve 2, a pipe pressing ring 3, a group pressing ring 4, an adjusting screw 5, an avalanche transistor 6, a matched universal tool microscope 7 and a matched screwdriver 8. During correction, a universal tool microscope 7 is used for reading the relative coordinates of the outer edge of the tube pressing ring 3 and the center of the photosensitive surface of the avalanche tube, the four adjusting screws 5 are adjusted up, down, left and right after the relative position of the tube pressing ring 3 and the center of the photosensitive surface of the avalanche tube is calculated, and the adjusting screws 5 are used for pushing the tube sleeve 2 and the avalanche tube 6 to move until the coaxiality of the center of the photosensitive surface of the avalanche tube and the outer edge of the tube pressing ring 3 is smaller than 0.03 mm. Therefore, the aim of alignment is fulfilled. The device is mainly used for center calibration of the avalanche transistor with the photosensitive surface diameter not larger than 0.2 mm, has the advantages of being simple in structure, efficient in reset, accurate, stable and the like, and can be applied to occasions with high precision, high speed, high reliability and the like.

The electric heating device of the present invention includes a heating panel, a heating element, a heat insulation component, a fixing shell, a temperature measuring element, and a socket. The heating element is located on the lower side of the heating panel and has a power receiving part. The heat insulation component has a heat insulation cavity with an upper opening for covering the heating element. The fixing shell has a shell cavity with an upper opening for accommodating the heat insulation component, and the upper end of the fixing shell is connected to the heating panel by an adhesive material. The temperature measuring element is installed at the bottom of the heat insulation component. The socket is fixed to the side of the fixing shell and electrically connected to the power receiving part and the temperature measuring element respectively through a power supply wire and a detection wire. The power supply wire is arranged in a power supply groove, and the detection wire is arranged in a detection groove. The interface end of the socket faces the side of the fixing shell. By providing a socket on the fixing shell, external wiring can be quickly connected to the socket of the electric heating device through a plug during assembly. This assembly method is simple, quick, reliable, and interchangeable, achieving modular packaging and good overall product integrity.

The invention discloses a multi-state electronic lock which comprises a lock body base, a main body structure, a lock cylinder structure, a lock tongue, a driving assembly and a control assembly, the main body structure is arranged on the lock body base, the lock cylinder structure is arranged on the main body structure, a clamping groove is formed in the lock body base, a guide shell is arranged in the clamping groove, and the lock tongue is arranged in the guide shell. The lock tongue is arranged in the guide shell in a sliding mode and matched with the lock cylinder structure, an electronic control box is arranged on the lock body base, the driving assembly is arranged in the electronic control box and used for driving the lock tongue to move in at least three preset positions, and the control assembly comprises a circuit board, a capacitor and a main control unit arranged on the circuit board. And a plurality of control programs are pre-stored in the main control unit. The invention relates to the technical field of electronic locks, in particular to a multi-state electronic lock which can flexibly switch working states, achieve multiple unlocking modes, adopt modular design, reduce production and maintenance cost and meet the requirement for regional batch management.

The utility model provides a flexible equipment cabin section welding device, which belongs to the technical field of welding and consists of a base assembly, a lifting assembly and a fixing assembly. The base assembly is mainly used for supporting an upper-layer structure; the lifting assembly is mainly used for achieving height adjustment and angle adjustment of the device, the lower end of the lifting assembly is provided with a resistance device, the resistance device rubs with the inner wall of a supporting pipe of the base assembly, rotation resistance is increased, and free rotation of a cabin section in the assembly process of cabin section wire welding and the like is avoided. The fixing assembly is mainly used for placing and fixing the cabin section, protective rubber pads are arranged at the ends of the fixing rods, the appearance of the cabin section is prevented from being damaged, clamping of the cabin section is fast and convenient, anti-static gaskets are laid at the bottom of the fixing assembly, and the effects of electrostatic protection and appearance protection can be achieved at the same time. The device is modularly designed, and the height and the angle are flexibly adjustable; the product welding quality is ensured; the operation is simple, and the clamping and dismounting of the product can be easily realized.

The utility model provides a tunnel type cold storage box relates to refrigeration technical field, this tunnel type cold storage box includes a plurality of box and board body. Any box is enclosed and forms refrigerating chamber, board body includes hollow board and partition board, hollow board is the plate structure with the center through -hole, and partition board is the solid plate structure, among them, a plurality of box links in turn, and there is installation gap between two adjacent boxes, and the width of installation gap, the thickness of hollow board and the thickness of partition board are same, to can selectivity with hollow board or partition board is embedded in installation gap, and two adjacent refrigerating chambers are cut off or communicate. The tunnel type cold storage box can realize the communication or the cut off of refrigerating chamber according to actual demand, satisfy multi -temperature zone management, segmented refrigeration or centralized pass cold and so on many kinds of use scene, at the same time, hollow board, partition board and installation gap thickness are consistent, can simplify structure design and production process, improve interchangeability and assembly efficiency.

This invention relates to the field of door and window technology, and discloses an aluminum-clad wood door and window corner process, including an aluminum corner structure, a wood frame assembly, and a snap-fit ​​connection mechanism. The process includes the following steps: aligning the boss at the end of the wood frame with the guide groove of the aluminum corner, and inserting the boss into the guide groove at a 45° angle; rotating the wood frame to a vertical position until it is engaged and locked by the snap-fit ​​connection mechanism, and confirming that the wood frame is not loose after locking; applying weather-resistant sealant between the wood frame strip and the wood frame, and using self-tapping screws with anti-loosening structure to fix the wood frame strip and the wood frame together, completing the assembly. By using a standard aluminum corner and snap-fit ​​connection, the automatic engagement characteristic of the snap-fit ​​connection simplifies the on-site assembly process. The improved structure reduces the processing precision requirements of the wood components, reduces the scrap rate caused by dimensional deviations, and improves the utilization rate of raw materials, solving the shortcomings of low on-site assembly efficiency, high dependence on personnel skills, and serious waste of raw materials.

A folding wing for an aircraft includes two symmetrical side wings and a connector. The front ends of the two side wings are respectively hinged to the connector. In the folded state, the tail ends of the two side wings are close together, and in the open state, the tail ends of the two side wings are far apart. The front ends of the two side wings are symmetrically connected to the connector via a connecting shaft and a rocker arm structure. The rocker arm structure includes a rocker arm and a cam. The center of the cam is fixed to the connecting shaft, and a limiting step is provided on the side edge of the cam. The rocker arm extends radially about the center of the cam.

The utility model provides a durable anti-blocking material suction pipe, which belongs to the technical field of negative pressure conveying and comprises a material suction pipe inner pipe used for conveying materials, and an anti-blocking structure for preventing the materials from being accumulated is arranged at a top outlet of the material suction pipe inner pipe. The material suction pipe outer pipe is connected to the upper part of the material suction pipe inner pipe; the square-to-round connecting pipe is used for providing a larger space for materials and reducing the airflow speed so as to reduce the scouring of the materials to the wear-resistant elbow, and the square-to-round connecting pipe is arranged above the outer pipe of the material suction pipe and is connected with the outer pipe of the material suction pipe; the material suction device is compact in structure, high in interchangeability, long in service life, stable in operation, high in material suction efficiency and capable of reducing energy consumption, labor intensity of workers and cost.

The invention relates to the technical field of fluid control, in particular to an electric control prefill valve and a control method thereof.The electric control prefill valve comprises a valve body, a priority valve, an electromagnetic valve, a pressure sensor and a selector valve, the valve body is provided with a main oil way, a prefill opening and an unloading opening, the priority valve, the electromagnetic valve and the selector valve are sequentially arranged along the main oil way and communicate with one another, and the prefill opening communicates with the priority valve; an oil return port of the electromagnetic valve is communicated with the unloading port; the pressure sensor comprises a lower limit sensor and an upper limit sensor; the sensing end of the lower limit sensor is communicated with the main oil way; the upper limit sensor is vertically arranged above the valve body, and the sensing end of the upper limit sensor is communicated with the main oil way. The hydraulic system has the advantages that the hydraulic system pipeline is simplified, the leakage risk is reduced, the hydraulic pressure at the working oil port can be adjusted according to the actual situation, and the energy utilization efficiency, the response speed and the reliability of the braking system are remarkably improved.

The sand control pad provided by the utility model comprises a bottom box and a plurality of claw rollers, and the claw rollers are arranged on the bottom box. The pet sand control mat has the advantages that the claw rollers are arranged on the bottom box and can play a supporting role, meanwhile, a pet can improve interactivity with the sand control mat by playing the claw rollers, the sand control effect is improved, in addition, sand is located under the feet of the pet, the sand can be rapidly promoted to leak out from the feet by playing the claw rollers through the claws of the pet, and the pet is more convenient to use. Further, the liquid drops on the bottom box; by arranging the claw rollers made of sisal hemp materials, the entertainment of the pet on the sand control pad can be further improved, and the sand control effect is improved; the upper cover is arranged to be buckled on the bottom box, so that the claw roller can be limited between the upper cover and the bottom box, and jumping of the claw roller is prevented; all the parts are detachably connected and are convenient to mount, replace and replace, when part of the parts are damaged, the damaged parts can be replaced, and interchangeability is good; and the gap is formed in the joint of the upper cover or the bottom box, so that the cat litter can be conveniently poured.

The utility model discloses a combined tool for repairing an omega-shaped groove of a tube socket of a control rod driving mechanism of a nuclear reactor. The combined tool comprises a first blade and a second blade, the first blade comprises a first notch, and the first notch comprises a chisel edge and two side edges; the chisel edge is used for machining the upper plane of the omega-shaped groove; the two side edges are connected to the two opposite sides of the chisel edge and used for removing burrs on the two sides of the omega-shaped groove; the second blade comprises a second notch; an outer circle tool nose used for machining the outer circle of the omega-shaped groove is formed at the end of the first side of the second notch. An inner side tool nose used for machining the inner side of the omega-shaped groove is formed at the end of the second side of the second notch. The device is used for machining and repairing the upper plane, the outer circle and the inner side of the omega-shaped groove of the CRDM pipe seat, is suitable for on-site repairing and machining of the omega-shaped groove of the CRDM pipe seat, and can work under the non-cooling condition.

The utility model discloses an automatic feeding device of injection molding machine, including the hopper, the hopper has the hollow cavity, and the mixing mechanism is located hollow cavity, and the chute is installed in the lower part of hopper and is connected with the hopper, and the conveying screw driven by motor rotation is installed in the chute to convey the material in the chute to the outside of chute, the mixing mechanism includes the main shaft base, drive spindle, mixing wing piece and wall scraper, and drive spindle is driven by motor and extends to the cavity full depth along the main shaft base axial direction, and at least one group mixing wing piece group is coaxially fixed to the outer wall of drive spindle, and each group contains multiple mixing wing pieces equidistantly arranged along the axial direction, and each mixing wing piece cantilever end assembly wall scraper and the rotation track of wall scraper covers the whole wall of cavity, through being equipped with the through type mixing mechanism in the hopper, to expand the mixing area to the whole domain of hopper cavity, improve the mixing effect, combine wall scraper structure, realize the clean of cylinder wall without dead angle.

The utility model belongs to the technical field of structural strength analysis, and particularly relates to a split type flange connecting piece for balancing torsional moment, which comprises a pin shaft, a flange, a flap rib web, a first connecting bolt, a second connecting bolt and a flap driving structure, a through hole of which the axis is vertical to that of the pin shaft is formed in the cylindrical surface of the pin shaft; the flange is provided with a cylinder used for installing a pin shaft and a flange edge located at one end of the cylinder, and the cylinder is provided with an installation through hole with the axis perpendicular to the axis of the cylinder. The pin shaft is inserted into a cylinder of the flange, the first connecting bolt penetrates through a flange mounting through hole to be axially fixed with a through hole of the pin shaft, the flange is fixed on a flap rib web through the second connecting bolt, and the pin shaft is fixedly connected with a flap driving structure.

The application belongs to the technical field of purification, and specifically discloses a modular filter-adsorption device, which comprises a filter-adsorption body, an air inlet and an air outlet are arranged on the two sides of the filter-adsorption body respectively, a filter-adsorption assembly is assembled on the filter-adsorption body and located between the air inlet and the air outlet, and a plurality of assembling components are arranged on the filter-adsorption body, the filter-adsorption assembly is detachably assembled on the filter-adsorption body through the assembling components, the plurality of assembling components form a plurality of assembling paths, each assembling path forms an air inlet path and an air outlet path with corresponding guide and corresponding path respectively, the air inlet path and the air outlet path form a guide angle with the filter-adsorption body respectively, the assembling components are arranged along the circumference of the filter-adsorption body, and the filter-adsorption surface formed by the filter-adsorption assembly in the filter-adsorption body is a bevel.

This invention relates to the field of unmanned aerial vehicle (UAV) structural technology, specifically to a coaxial counter-rotating UAV with face gears: It includes a support body, an inner face gear shaft, an outer face gear shaft, a drive assembly, an upper rotor, a lower rotor, a bottom balance disk, a middle balance disk, and multiple servo motors. Both the inner and outer face gear shafts, located inside the support body, have face gear bodies at one end. By coaxially fitting the inner and outer face gear shafts within the support body, with opposing face gear bodies at the ends of the two shafts, the output end of the drive assembly simultaneously meshes with both face gear bodies, directly driving the inner and outer shafts to rotate in opposite directions. Due to the inherent advantages of face gear transmission—small size and light weight—it eliminates the need for matching machining, exhibits excellent interchangeability, and significantly reduces manufacturing and maintenance costs. Simultaneously, face gears offer smooth meshing, strong load-bearing capacity, maintain high transmission efficiency even at high speeds, are not easily worn, and extend their service life.

A kind of modular high-temperature-resistant deformation-resistant glass toughening furnace door structure, including furnace door frame, furnace door frame is the hollow cuboid structure of frame front and frame bottom surface opening, the frame front of furnace door frame is successively equipped with multiple furnace door intermediate components, the both ends of the frame top surface of furnace door frame are provided with connecting component, for suspending furnace door in toughening furnace outlet top, the first frame side surface and the second frame side surface of furnace door frame are equipped with guide mechanism, for being connected with the clamping groove device of the both sides of toughening furnace outlet;Motor is equipped with two sprockets by transmission shaft, drives two sprockets to rotate, two sprockets are meshed with 2 chains respectively, 2 chains one end is fixed on two sprockets, the other end is fixed on the connecting component of the both ends of furnace door frame top, the rotation of sprocket drives chain to make up and down reciprocating motion, in turn make furnace door realize opening and closing action;The utility model can run stably under high temperature complex working condition, improve the convenience and economy of equipment maintenance.

The application discloses a vertical connecting device for aluminum pipes, which comprises a vertical aluminum pipe, a horizontal aluminum pipe, a screw aluminum plate, an upper pressing plate and a screw. The vertical aluminum pipe and the horizontal aluminum pipe are vertically arranged and the surfaces of the vertical aluminum pipe and the horizontal aluminum pipe are attached to each other. The upper pressing plate is provided with a first boss, and the vertical aluminum pipe is provided with a first lock hole. The first boss and the first lock hole are of the same shape and size and are designed as an interference fit. The screw aluminum plate is provided with a second boss, and the horizontal aluminum pipe is provided with a second lock hole. The second boss and the second lock hole are of the same shape and size and are designed as an interference fit. The vertical aluminum pipe, the horizontal aluminum pipe, the screw aluminum plate and the upper pressing plate are fastened and connected from top to bottom by at least four screws. The device is based on the vertical connection and anti-hole expansion mechanism of the aluminum pipe realized by the inlaid parts in the small-volume aluminum pipe. The simple mechanical design of the vertical connection of the aluminum pipe is realized by a more reliable and simple mechanical structure.

The application provides a long-body metal piece full-automatic bending production line and a processing method thereof. The production line comprises a stock bin mechanism, a bending mechanism and a material receiving rack. The stock bin mechanism comprises a feeding rack, a material separating assembly, a material storage unit and a fine adjustment unit, realizes automatic feeding, material separation and accurate positioning of the pieces to be bent, and comprises a track seat, a clamping support, two five-axis robots and a bending clamp. The five-axis robots are equipped with supporting units to ensure stable horizontal processing of the long-body metal pieces. The bending clamp realizes accurate bending at multiple positions through cooperation of a guide unit and a clamping unit. The material receiving rack can orderly receive finished pieces of different lengths. The production method comprises five steps of batch feeding and replenishing, single-material separation and positioning, grabbing and supporting, multi-position bending and finished product storage to complete full-process automatic processing. The application does not require manual intervention throughout the process, greatly improves the bending processing efficiency and accuracy of the long-body metal pieces, adapts to the processing needs of products of different specifications, and has high practicality.

This utility model discloses a fastener, a hub cover mounting structure, and a hub assembly, including a first fixing member, a first movable member penetrating the first fixing member, and a first control member disposed within the first fixing member and controlling the extension length of the first movable member relative to the outer surface of the first fixing member. The first fixing member can connect to the hub cover. By rotating the first control member, the extension amount of the first movable member relative to the first fixing member is controlled, thereby enabling the fastener to be inserted into the center hole of the hub and fixed by the first movable member against the center hole, thus fixing the hub cover. This installation method is simple, easy to implement, and has strong connection stability. Its fixing position can be adjusted according to actual needs. When it is necessary to transfer the fastener to other hubs for installation, by rotating the first control member, the first movable member and the center hole are in a non-abutment state, thereby transferring it to other hubs for installation. It has strong versatility and good interchangeability.

The utility model discloses a kind of drift tube centering adjusting devices, it is related to ion implantation equipment technical field, it is used for when drift tube installation, it is positioned, including support, centering pin, multiple positioning members and multiple connecting pieces, the four corners of support bottom are respectively provided with through hole and positioning hole, positioning member is used for with the inner wall of radio frequency bucket after passing through positioning hole and realizes preliminary positioning, connecting piece is used for with the inner wall of radio frequency bucket after passing through through hole and is connected;Centering pin is cylindrical, vertically connected in the side of support upper end, centering pin is used for being set in the inner hole of drift tube, and the tolerance of centering pin is slightly less than the inner hole tolerance of drift tube.The centering adjusting device can be used for auxiliary positioning when drift tube installation, ensure that each drift tube is accurately centered;Overall small volume, simple structure;Its installation mode is flexible and convenient, it can be installed alone, can also be combined installation;Through hole and positioning hole are same with the corresponding installation hole of existing quadrupole lens, share installation hole site, with interchangeability.

The application discloses a vehicle integrated lithium battery high-voltage power distribution system and a control method. The lithium battery high-voltage power distribution system comprises a high-voltage distribution box, a plurality of battery boxes and a connecting cable for connecting the high-voltage distribution box and the battery boxes and two groups of the battery boxes, which are stacked from top to bottom. The high-voltage distribution box is integrated with a control panel, a filter, a DCDC, a contactor, a fuse, a hard copper bar and a current sensor. The battery box is integrated with a BMS control box. The battery boxes are also connected with liquid cooling pipelines. The system effectively reduces the space occupied by the high-voltage power distribution system on the chassis by using the integrated design of the lithium battery high-voltage power supply and distribution system. By integrating multiple functional modules in one whole, the device layout and installation space are saved, the complexity of the system and the high-voltage cable wiring are reduced, the generalization and interchangeability of the lithium battery and the high-voltage power distribution system are improved, and the redundancy of the vehicle power supply and distribution system is ensured.

The application discloses an integrally die-casting metal single plate and a manufacturing method thereof. The metal single plate comprises a plate surface, the back surface of the plate surface is provided with ribs, the peripheral edge of the plate surface is provided with a side wall bent to the back surface, and a connecting piece is arranged on the peripheral side wall. The plate surface, the ribs, the side wall and the connecting piece are integrally die-cast. The application solves the problems of long processing and production period, many production links, unstable assembly quality, large geometric dimension error, poor surface flatness, poor interchangeability and large material loss of the existing metal single plate.

This invention discloses a modular missile wing connection structure with adjustable position. The structure includes a missile body to which wings are connected; four elongated rectangular planes of equal thickness are arranged at equal angles along the axial direction of the missile body, and several equally spaced rectangular grooves are formed on the elongated rectangular planes along their axial direction; a wing flange is provided at the wing root of each wing, and several equally spaced rectangular locking blocks are provided at the bottom of the wing flange; the rectangular locking blocks cooperate with the rectangular grooves to connect several wings to the missile body; the number of rectangular grooves is greater than the number of rectangular locking blocks, and the relative position of the wings is adjusted by adjusting the insertion position of the rectangular locking blocks; several wings are fixed to the missile body by binding circular retaining rings. The above-mentioned wing connection structure is easy to assemble and disassemble and is adjustable, and can adapt to different combat mission requirements.