29results about How to "Guaranteed assembly accuracy" patented technology

This utility model relates to the field of fuel cell technology, specifically to an assembly device for an integrated fuel cell stack housing. It includes a gas port end plate, an upper end plate, and a main housing frame located at both ends of the stack core. The upper end of the gas port end plate is provided with a positioning pin that mates with a positioning hole at the bottom of the main housing frame. A first positioning guide block and a second positioning guide block are symmetrically installed on both sides of the gas port end plate. A third positioning guide block and a fourth positioning guide block are symmetrically installed on both sides of the main housing frame. A first guide rod passes through the first and third positioning guide blocks, which are coaxially arranged, and a second guide rod passes through the second and fourth positioning guide blocks, which are coaxially arranged. The through holes of the first and second positioning guide blocks are respectively interference-fitted with the first and second guide rods, and the through holes of the third and fourth positioning guide blocks are respectively slidingly fitted with the first and second guide rods. This design ensures that the housing installation does not touch the stack core, enabling low-cost assembly of the prototype stack.

The invention relates to an energy storage device and a power utilization system. The energy storage device comprises a shell, an electrode assembly, an end cover assembly and a binding piece, wherein the shell is provided with an accommodating cavity; the electrode assembly is arranged in the accommodating cavity, the electrode assembly comprises a plurality of tabs and an electrode main body which are electrically connected, and the tabs and the electrode main body are arranged along a first direction; the end cover assembly is arranged on one side of the shell and used for sealing the containing cavity. The binding piece is positioned between the end cover assembly and the electrode main body; the binding piece is provided with a penetrating hole, and the penetrating hole penetrates through the two opposite surfaces of the binding piece in the first direction. The penetrating hole extends along a second direction, the plurality of tabs penetrate through the penetrating hole, and the first direction is intersected with the second direction; the penetrating hole is provided with a first side wall and a second side wall which are oppositely arranged in the second direction, and in the second direction, the distance between the first side wall and the second side wall is larger than the size of the ends, close to the electrode body, of the tabs.

This invention provides a high backlobe suppression horn antenna, comprising a horn antenna cavity with a choke slot. The horn antenna cavity is installed within a reflector cavity to form a high backlobe suppression horn antenna. This invention uses a simple cabin structure as the reflector cavity, which is more suitable for horn antennas compared to complex cavity structures, and can be assembled with an radome, exhibiting high installation adaptability.

This utility model discloses a rotor device tooling for power generation, including a base plate, a push cylinder, a movable seat, a placement seat, and a fixed seat. The push cylinder is connected to the base plate, the movable seat is movably connected to the base plate, the piston rod of the push cylinder is connected to the movable seat, the fixed seat is fixedly connected to the base plate, and the placement seat is disposed between the movable seat and the fixed seat. An mounting head is provided on the movable seat, and a fixing head is provided on the fixed seat. The mounting head is fixedly connected to the movable seat, and the top of the fixed head has a placement groove on one side near the fixed seat and a movable groove on the other side. A positioning groove is provided on the top of the fixed head, and a positioning component is also connected to the top of the fixed head. The positioning component is detachably and fixedly connected to the fixed head, and a clamping screw is threaded onto the positioning component, with the bottom of the clamping screw extending into the positioning groove. Through the cooperation of the positioning groove, the clamping screw, and the placement seat, the rotor shaft remains stable during bearing press-fitting, avoiding displacement or skew and ensuring assembly accuracy.

This invention relates to the field of welding technology and provides a welding method for a layered skeleton-type sidewall unit, comprising the following steps: First, an upper wall panel and a lower wall panel are laid in a tack welding area, overlapping to form a wall panel structure. Second, the dimensions and positioning of a clamping mold are determined based on the layout of the beams and window frames within the sidewall unit, clamping the beams and window frames onto the upper surface of the wall panel structure to form a beam-window frame structure. Third, tack welding is performed on the overlap of the upper and lower wall panels and the connection between the beam-window frame structure and the wall panel structure to form a plate-beam assembly. Fourth, after removing the clamping mold, the plate-beam assembly is transferred to the forming welding area, and beam-column assemblies are stacked on top of the plate-beam assembly and welded to form the sidewall unit. This method ensures welding accuracy between the beams, window frames, upper wall panels, and lower wall panels. During tack welding, there is no need to adjust the beam position or have personnel monitor the entire welding process, saving labor costs.

This invention relates to a stress-absorbing device and assembly method based on a flangeless waveguide, comprising an I-beam bracket, waveguide clips, screws, spring washers, flat washers, and rubber pads. The rubber pads, serving as stress-absorbing materials, have a slanted opening on their long end face, allowing them to fit over the outer surface of the waveguide. Waveguide clips press against the rubber pads and have through holes. The I-beam bracket has threaded through holes on its wall surface. Screws, fitted with spring washers and flat washers, pass through the through holes in the waveguide clips and connect to the threaded through holes in the I-beam bracket wall. Tightening the screws secures the waveguide clips, rubber pads, and waveguide. Loosening the screws adjusts the relative position of the rubber pads, releasing assembly stress. This invention eliminates assembly stress generated during the assembly of flangeless waveguide components without affecting the assembly efficiency and reliability of other individual devices in the spacecraft, reducing the risk of failure due to assembly stress in flangeless waveguides.

The utility model relates to a kind of heat transfer copper pipes, comprising: heat conduction copper pipe, heat conduction copper pipe is provided with guide copper block, guide copper block is used to guide medium, heat conduction copper pipe is fixedly connected with the interface seat, the interface seat is along heat conduction copper pipe length direction setting, interface seat is slidably connected with heat conduction block, heat conduction block is provided with fixing piece, the fixing piece one end penetrates heat conduction copper pipe and is connected with heat conduction block, fixing piece can fix heat conduction block and guide copper block on heat conduction copper pipe, whole system is directly conducted through intermetallic, expands heat dissipation area and optimizes fluid path Three mechanical synergies, while maintaining maintainability, improve overall heat exchange efficiency.

This utility model relates to the technical field of electric motor manufacturing equipment, specifically an electric motor assembly machine. It includes a third base, a support base, and a fixing component. The support base is fixedly installed in the upper center of the third base, and its upper part has an arc-shaped groove for placing the electric motor body. Through a unique clamping component design, it can quickly adapt to electric motors of different specifications. The first and second movable rods in the clamping component cooperate to form a flexible clamping mechanism. The arc-shaped groove and recess design of the support base provide sufficient space for the movement of the first movable rod, ensuring smooth and unobstructed clamping action. This adaptive clamping function allows the assembly machine to quickly switch between assembling different models of electric motors without changing fixtures or making complex adjustments, greatly improving production efficiency and reducing production costs. It is particularly suitable for multi-variety, small-batch electric motor production scenarios.

The application relates to an automatic assembling machine, which comprises a first feeding mechanism for overturning a horizontally placed mobile phone shell to a vertical state and moving the mobile phone shell in the vertical state to a first position, the mobile phone shell being provided with a mounting hole, and the mounting hole of the mobile phone shell in the vertical state facing upward; a feeding mechanism for moving the horizontally placed mobile phone shell on a flow line to the first feeding mechanism; a second feeding mechanism for moving a plunger provided by a feeding mechanism to a second position; an assembling mechanism for moving and mounting the plunger in the second position into the mounting hole of the mobile phone shell in the first position to form an assembly; a discharging mechanism for moving the assembly to the flow line; a first visual module for positioning and / or detecting the mobile phone shell in the first position; and a second visual module for positioning and / or detecting the plunger on the assembling mechanism. The application improves production efficiency and product yield and reduces assembly difficulty.

The utility model discloses an automatic capping machine belongs to the field of automation equipment, the automatic capping machine of the utility model, including cover body feeding mechanism, main part conveying mechanism and cover body down -pressing mechanism, and the main part conveying mechanism is from the below of cover body down -pressing mechanism, and the just below of cover body down -pressing mechanism is equipped with main part top mechanism, and cover body feeding mechanism is located one side of main part conveying mechanism, main part top mechanism includes lift plate, and the top block and top drive, and top drive is equipped in the below of lift plate, is used for driving two top blocks to move up and down between first position and second position. The main part component on the main part conveying mechanism is lifted up by main part top mechanism, realizes to the main part component of being assembled to feed and position, and realizes automatic capping with cover body feeding mechanism and cover body down -pressing mechanism, and can utilize main part conveying mechanism unloading after the assembly is completed through the decline of main part top mechanism, has simplified the structure and assembly action of automatic capping machine, has improved assembly efficiency.

The utility model discloses a kind of quickly assembled water conservancy temporary cofferdams erecting module, including multiple steel sheet piles, steel sheet pile is U-shaped, the both ends of steel sheet pile are fixedly connected with lock catch, multiple steel sheet piles can be assembled to square cofferdam, further include multiple guide piles, guide assembly and reinforcing assembly, the bottom of multiple guide piles is provided with piercing fixing part, for piercing river bottom bedrock and fixed guide pile, guide assembly is set at the top of guide pile, for guiding the assembly direction of steel sheet pile, reinforcing assembly is detachably set on multiple steel sheet piles, for reinforcing cofferdam. The quickly assembled water conservancy temporary cofferdams erecting module is to solve the problem that the splicing accuracy of multiple steel sheet piles in the prior art in the background art may exist error and the supporting property is poor.

This utility model belongs to the field of bone density testing technology, and in particular to a bone density testing instrument. It consists of three parts: an image module, a control module, and an interface module. The image module includes a "C"-shaped bracket, which includes two symmetrical first fixed brackets and a bracket connecting plate connecting them. An mounting plate for mounting the X-ray source tube is fixed at the upper end between the two first fixed brackets via a second fixed bracket. A X-ray receiver is mounted at the bottom of the bracket via a fixed plate. The X-ray receiver and the X-ray source tube are arranged vertically opposite each other in the bracket. Lead sheeting for protecting the X-ray source tube is pasted on the inside of the protective cover. The lead sheeting does not have direct contact with the X-ray source tube. During equipment assembly and maintenance, it is not necessary to repeatedly cover and remove the lead sheeting, ensuring the consistency and integrity of the protective lead sheeting. Since the X-ray source tube is assembled with the X-ray receiver in a single, lead-free state, the assembly accuracy and integrity are well guaranteed.

This application relates to the field of fixture technology, and discloses a positioning device and a fixture positioning system. The positioning device provided in this application includes a base assembly, a drive mechanism, an identification unit, and at least two positioning members. The base assembly has a mounting portion, and each positioning member is movably mounted on the base assembly. The drive mechanism includes a rotating member and a drive assembly. The rotating member and at least part of the drive assembly are mounted on the base assembly. The rotating member is driveably connected to each positioning member, and the drive assembly is driveably connected to the rotating member. The drive assembly moves relative to the base assembly, causing the rotating member to rotate, thereby driving each positioning member to move towards the center of the mounting portion. Each positioning member abuts against a positioning body, pushing the positioning body to the center of the mounting portion. The identification unit performs image recognition on the orientation of the positioning body relative to the center. According to the positioning device provided in this application, precise adjustment of the orientation of the assembly can be achieved, thereby ensuring the processing or assembly accuracy of the product.

The cylinder direction selecting mechanism for micro water pump assembling equipment comprises a feeding track for conveying a cylinder with at least one through hole in the circumference, a detection assembly, a bracket arranged at the discharging end of the feeding track, a detection disc rotatably arranged on the bracket, a detection hole with a smaller diameter than the outer diameter of the cylinder arranged in the middle of the detection disc, the position of the detection hole corresponding to the movement track of the through hole of the cylinder, an infrared emitter and an infrared receiver arranged above and below the detection hole respectively, the detection hole of the detection disc corresponding to the movement track of the through hole of the cylinder and coaxial with the axis of the cylinder, the signal detection of the infrared emitter and the receiver being matched, the position of the through hole of the cylinder being accurately recognized, the control module controlling the start and stop of the rotating motor by analyzing the infrared signal interruption opportunity, the cylinder being automatically stopped from rotating when the through hole reaches the target position, high-precision orientation being realized, manual adjustment error being avoided, and the assembling consistency being improved.

The application discloses a display device, relates to the technical field of display, and aims to solve the problem of how to improve the assembly precision of a screen and a back cover and improve the yield of finished products. The display device comprises a middle frame and a back cover. The back cover comprises a bottom wall and a side frame arranged at the edge of the bottom wall. An end surface of the side frame, which faces away from the bottom wall, comprises a support surface area. The middle frame is accommodated in the back cover, and the edge of the middle frame is provided with an extension part. The extension part forms a limiting boss, and the limiting boss is used for limiting the installation height of the edge of the screen relative to the support surface area. The extension part comprises a first surface and a second surface arranged along the thickness direction of the limiting boss, and a side surface located between the first surface and the second surface. The first surface is a surface of the extension part which faces away from the side frame. A curved transition area is arranged at the connection area of the first surface and the side surface. The display device is used for displaying images.

The utility model discloses a kind of multi-channel data transmission gateway, including shell, control module, LoRa gateway module, clock circuit, communication module, power module and storage module, the LoRa gateway module, clock circuit, communication module, power module and storage module are electrically connected with control module, the shell includes upper shell and lower shell, the open end of upper shell and lower shell is fixedly connected with flange, the flange on the upper shell both sides is fixedly connected with the rail of detachable connection with the flange on lower shell, the upper shell and lower shell both sides are provided with a plurality of cooling grooves.The utility model in the present application, by integrating a variety of positioning technology and communication means, data from different sources can be effectively collected, and through intelligent processing and optimization transmission strategy, meet the needs of various application scenarios, its work flow covers the whole process from data acquisition, processing, storage until the final transmission to target receiving end.

This utility model discloses a mermaid-shaped assembly toy, comprising: a torso component, the surface of which is provided with a plurality of first slots, the first slots being polygonal; a fish tail component, one end of which is provided with a protruding insert, the fish tail component being connected to the first slots of the torso component via a segmented module, the segmented module including a plurality of first connectors and second connectors, wherein the tail of the first connector with a recessed portion is connected to the head of the second connector with a protruding portion, thereby causing the first connector and the second connector to rotate relative to each other, the head of the first connector being connected to the torso component, and the tail of the second connector being connected to the fish tail component; a head component, the head component being plugged into and connected to the torso component; and a decorative component, the torso component and the head component being provided with detachable interfaces, the decorative component being connected to the torso component and the head component through the detachable interfaces.

The utility model discloses a middle top plate integrated modular assembly tool which comprises a tool body, and a first top plate workpiece and a second top plate workpiece which are pre-assembled are installed on the tool body through pin shafts. A plurality of cross beams and longitudinal beams which are crisscrossed are arranged on the tool main body, and fixed pin hole assemblies and sliding pin hole assemblies are arranged on the cross beams and the longitudinal beams. According to the utility model, a plurality of groups of pin hole assemblies which are arranged in a sliding manner are utilized, so that the top plate assembling device can be suitable for assembling top plates of various different specifications, the positioning and erecting speed during assembling is greatly improved, and the horizontal observation instrument which is arranged in a sliding manner can be moved to an assembling butt joint part to conveniently observe the assembling levelness and further ensure the assembling precision.

The application discloses a coil wire harness automatic assembling and welding equipment and a process method, the equipment comprises a turntable and surrounding arranged feeding, welding, detecting and discharging units; after the coil assembly is automatically fed and fixed on the turntable carrier, the wire harness is manually assembled, the connector is connected with the carrier socket, and the wire is stored in the carrier basket; a plurality of tin soldering mechanisms are used to sequentially perform jump welding on the non-adjacent PIN pins of the terminal row, so that the bridging is effectively prevented; after welding, visual detection of welding quality, power-on performance test and internal pole claw overlap visual detection are sequentially performed, and suspected defective products are manually screened and confirmed; qualified products are then automatically assembled and ultrasonic wave welded with an insulating cover, and finally, the discharging unit is used to distinguish the qualified products from the defective products to complete discharging. The application realizes efficient and fully automatic assembling and welding of the coil module, and through multi-station cooperation and multiple quality detection, the production efficiency and product qualification rate are significantly improved.

The utility model belongs to the technical field of aero-engine, concretely relates to an air inlet channel structure matched with turbojet engine inlet, at least includes air inlet channel inner tube and air inlet channel lip, air inlet channel lip is connected in the air inlet port of air inlet channel inner tube, air inlet channel lip and air inlet channel inner tube outside wall lower part have the air inlet channel of intercommunication, the utility model air inlet channel and the air inlet ring reliable butt joint of engine, and use the positioning pin to carry out the assembly limit of engine, not only can guarantee the assembly precision, and will not happen because the air inlet channel and the air inlet mouth of engine seal not strict lead to the problem of air leakage, air leakage, the utility model air inlet channel increases the cooling channel for engine cabin from the structure design, makes the airflow can enter the engine cabin from the cooling channel, effectively cools the engine, improves the service life of engine cabin rudder machine and other equipment, the utility model reliable air inlet channel structure, help to improve the reliability and stability of whole unmanned aerial vehicle system.

The application relates to the technical field of motor assembly, and discloses a motor stator-rotor combined assembly device. The motor stator-rotor combined assembly device comprises a rack, a workbench, a rotor adjusting unit and a rotor hoisting unit. The workbench comprises a first sliding base, a bearing table and a stator fixing assembly arranged on the first sliding base. The first sliding base is adjustably arranged on the rack along the X direction. The bearing table is used for bearing a motor rotor. The stator fixing assembly is used for fixing a motor stator. The rotor adjusting unit comprises a second sliding base, a third sliding base and a clamp. The second sliding base is slidingly arranged on the rack along the Z direction. The third sliding base is adjustably arranged on the second sliding base along the Y direction. The clamp is arranged on the third sliding base and used for clamping a central shaft of the motor rotor. The rotor hoisting unit comprises a portal frame, a driving piece and a connecting piece. The connecting piece is fixedly connected with the clamp. The driving piece is used for adjusting the Z direction position of the connecting piece. The application guarantees the assembly precision of the motor stator-rotor combined assembly.

The utility model discloses a high -strength stainless steel chain automatic assembly mechanism belongs to chain assembly technical field, it includes: base, multiple groups of stainless steel connecting chain links and multiple groups of stainless steel pin shaft, the top fixed mounting of base has the feeding table, two groups of support legs, two groups of support plate and two groups of stand, the top fixed mounting of two groups of support legs has the workstation, and the top of workstation is provided with the placing seat, and the inside rotation mounting of two groups of support plate has the pivot, and both ends of two groups of pivot all fixedly install the driving gear, and the side of two groups of support plate all rotationally installs two groups of driven gears, and the side fixed mounting of two groups of driven gears on the same side has the connecting frame, and the side fixed mounting of one group of support plate has the support board, and the whole process does not need artificial intervention chain link to catch and place, and the operator only needs to complete initial feeding, reduces the manpower cost, improves production efficiency, can guarantee the high -precision alignment of chain each part mounting hole site, promotes chain overall strength and stability.

This utility model relates to the technical field of differential installation equipment, specifically a high-precision differential gear assembly device. It includes a base, a back plate mounted on the top of the base, a clamping component mounted on the upper front of the back plate, and a supporting component mounted on the lower front of the back plate. The differential housing is positioned in the center of the front of the back plate, clamped and positioned above by the clamping component and supported and positioned below by the supporting component. This high-precision differential gear assembly device effectively overcomes the defects of traditional assembly methods through a unique structural design. The clamping rod in the clamping component engages with a limit nut via a threaded rod, allowing for flexible height adjustment. The back of the clamping rod limits the differential housing flange area and the lower contact surface, while the central clamping screw further locks the flange, achieving three-dimensional precise positioning. This prevents the differential housing from shifting during assembly, ensures uniform gear meshing clearance, and significantly improves assembly accuracy.

This invention discloses a robotic arm based on rotary friction welding and its manufacturing method. The robotic arm includes an arm body and a first flange. The arm body has a tubular structure, and the first flange is connected to the end of the arm body. The two are welded together by rotary friction welding. This invention experimentally screened 6061-T6 aluminum alloy or 7075-T6 aluminum alloy as suitable materials for the robotic arm. Through process debugging, rotary friction welding process parameters that enable reliable welding of the arm body and the first flange were obtained. This effectively solves the technical problems of insufficient strength, low precision, large welding deformation, softening of weld joints, and poor production economy in the manufacturing and application of existing industrial robotic arms. By fully utilizing the material advantages of 6061-T6 aluminum alloy or 7075-T6 aluminum alloy, the invention significantly improves the structural strength, stiffness, and fatigue performance of the robotic arm while achieving lightweight design, ensuring dimensional and assembly accuracy, and improving the structural reliability and service life of the robotic arm.

This invention discloses a heat exchanger assembly device and its usage method for installing flat tubes and fins. The heat exchanger assembly device includes an assembly platform, a flat tube assembly structure, a manifold assembly fitting, and fasteners. During assembly, the flat tubes are first placed stably along the length of the first groove to form the lower layer of flat tubes. Then, flat tubes are placed along the same length of the first groove, ensuring the newly placed flat tubes are precisely positioned above the lower layer to form the upper layer. For assembling a single-row heat exchanger, only the comb plate adapted for the single-row heat exchanger needs to be replaced. After forming a single layer of flat tubes, fins are placed directly between adjacent single-layer flat tubes, and the subsequent fixing and assembly process is the same. This assembly method eliminates the need to replace the heat exchanger assembly device, flexibly enabling the installation of both double-row and single-row heat exchanger tubes, effectively improving the applicability and efficiency of the heat exchanger assembly device, and reducing assembly costs.