43results about How to "Meet the needs of assembly" patented technology

The composite rotary double focus laser-MIG electric arc welding head includes mainly two parts, the rotary double focus laser welding head and the MIG electric arc welding wire feeding welding gun, connected via a connecting plate. It has welding wire feeder fixed on the connecting plate, welding wire feeding hose connected to the feeder, conducting nozzle and goose neck for welding wire to pass through; protecting nozzle in the end of the goose neck; and rotating table with reflecting cavity, regulating frame, reflector, connecting barrel and welding laser head. The present invention combines the rotary double focus laser welding and the MIG electric arc welding, and has greatly raised welding performance and lowered assembling precision requirement for even wide application.

The invention relates to a manufacturing method for mold internal decoration molding of a vehicle-mounted center control integrated plastic curved surface panel. A curved surface with required appearance is formed through film sheet silk-screen printing, high pressure molding, cutting and other processes, then the molded film sheet is put into an injection mold, a layer of transparent resin is injection-molded, the film and the resin are allowed to be fused together, and the plastic panel with the surface printed with patterns is formed. Based on ordinary mold internal decoration molding, some special processes are increased to meet the performance requirements of a vehicle-mounted center control display screen front panel; the manufacturing method achieves many properties of integrated plastic panel mold internal decoration molding, breaks through deficiencies of the prior art, meets the needs of products, allows an IML technology to be successfully applied in the field of vehicle-mounted display integrated panels, meets various performance requirements, provides better customer experience, is a manufacturing method for achieving the high-performance curved surface vehicle-mounted display integrated panel, and meets the needs of assembly; the IML technology is applied more widely, and the comprehensive performance is higher.

The invention provides a circle measuring frame for a large-size hydro-generator rotor and a use method thereof, in order to solve the problem of the prior art that no testing tool can be used for measuring a radius of each point on an external circle of a pole of a hydro-generator rotor at any time during an assembling process. The circle measuring frame for the large-size hydro-generator rotor comprises a spindle connecting mechanism, a counterweight shaft, a counterweight, a horizontal supporting frame and a measuring arm. If the circle measuring frame for the large-size hydro-generator rotor provided by the invention is used for measuring the assembling of the hydro-generator rotor, the radius of the external circle of each pole can be measured at any time, the circular degree and the concentricity of the external circle of each pole are checked and the central height of the each pole and the central height of a stator are kept consistent. The circle measuring frame for the large-size hydro-generator rotor has the beneficial effects that the circular degree and the concentricity of the external circle of each pole during the assembling process of the rotor are ensured, the central height of each pole is ensured and the circle measuring frame plays an important role in ensuring the safe running of a machine set. Besides, the circle measuring frame has generality and can meet the requirements of the assembling of the hydro-generator rotors in various sizes.

The invention relates to an anti-loose internally threaded fastener, which comprises an internal thread substrate, and is characterized in that the shape of an internal thread arranged on the internal thread substrate is as follows: the oblique angle of an internal thread profile is 38 degrees to 40 degrees, the intermediate diameter D2 = D-(0. 42 to 0.43) P, the variable angle inflection point diameter phiD = D-(0.48 to 0.50)P, the minor diameter D1 = D-(0.90 to 0.91) P, the theoretical interference width is 0.12B, the theoretical interference height is 0.22Td, the failure theoretical distance is 0.098P, the intermediate diameter position is 0.215P, and the inflection point position is 0.24P. By improving the design parameters of the thread, and connecting the internal thread with six-level machining precision and an ordinary external thread with six-level machining precision, the mechanical properties of a thread pair are greatly improved, the contact stress of the thread pair is reduced, the plastic deformation of an external thread profile crest zone is reduced, the overloading assembly ability is strong, the anti-loose reliability is good, no interference occurs in a limit size state, the rotation following phenomenon is avoided, and the assembly quality and efficiency are high.

The invention discloses a clamping piece convenient to disassemble for a modular assembly wallboard, and belongs to the technical field of wallboards. The clamping piece comprises a clamping seat, wherein wallboard bodies are arranged on the two sides of the clamping seat; a rotating mechanism is arranged in an inner cavity of the clamping seat; the two sides of the rotating mechanism are connected with the wallboard bodies through connecting mechanisms; the two sides of the rotating mechanism are connected with the wallboard bodies through clamping mechanisms; the rotating mechanism comprisesa rotating rod; a rewinding bearing is arranged at the bottom of the rotating rod in a sleeving manner; and the rewinding bearing is embedded in one side of the inner cavity of the clamping seat. According to the clamping piece, the two sides of the wallboard bodies can be clamped and limited, screws and nuts do not need to be screwed, the assembly difficulty is remarkably reduced, complete disassembly can be carried out only by reversely screwing the rotating rod during disassembly, the sustainable utilization capacity of the disassembled clamping seat is improved, the disassembly safety andthe recycling rate can be improved by erecting a clamping block and a clamping seat which are in contact, and the assembly clamping requirements of the wallboard bodies are met.

The invention discloses a double-folding-arm type pipe piece assembly machine for a three-ring type section tunnel shield tunneling machine. The double-folding-arm type pipe piece assembly machine comprises a supporting frame, a rotating supporting component, a rotating driving component and folding-arm type pipe piece assembly machine bodies. The supporting frame is vertically arranged in the three-ring type section tunnel shield tunneling machine, the rotating supporting component is horizontally installed on the supporting frame, and the rotating driving component comprises a front rotating driving component body and a rear rotating driving component body. The front rotating driving component body and the rear rotating driving component body are arranged on the rotating supporting component in a penetrating mode in parallel, the rear rotating driving component body is close to the supporting frame, and one side of the front rotating driving component body and one side of the rear rotating driving component body are each connected with one folding-arm type pipe piece assembly machine body. Each folding-arm type pipe piece assembly machine body comprises a rotating disc installed on the rotating driving component, an assembly long arm in pin joint connection with the rotating disc, an assembling short arm hinged to the end of the assembly long arm and an assembling hand installed at the end of the assembling short arm in a hinged mode.

The invention belongs to the airplane equipment technology, and relates to an improvement on a universal clamp for airplane assembly tools. The universal clamp comprises at least one connection plate [2], at least two support arms [1] and at least two clamping ends. Oppositely-penetrating connection hole arrays are formed in the four side faces of each connection plate and the four side faces of each support arm. The supporting arms and the connection plates are connected through penetrating and butt joint connection holes. The clamping ends are fixedly connected with the support arms through connection holes. The universal clamp is high in universality, simple in structure and easy to operate; the manufacturing cost of universal tools and assembly tools for airplane manufacturing is reduced, the universal clamp can be assembled into clamps in different sizes according to requirements, and the application range of the universal clamp is widened.

The invention provides a multifunctional conveying sliding plate. The multifunctional conveying sliding plate comprises a sliding plate body, idler wheels and a lifting mechanism, wherein the idler wheels are arranged on the bottom of the sliding plate body, the sliding plate body can slide along a sliding plate rail which is arranged on the ground through the idler wheels, the lifting mechanism is arranged on the sliding plate body, as a result, the working efficiency of assembly is improved, and the cost of an assembly line is reduced. Preferably, the sliding plate further comprises a storing mechanism, wherein the storing mechanism is fixed to the sliding plate body and is used for storing workpieces moving along with the sliding plate, the storing mechanism is provided with a storage rack which is arranged on the bottom of the sliding plate body, and the storage rack can stretch out or retreat in the direction perpendicular to the operating direction of the sliding plate body and can rotate in the clockwise direction as well as the anticlockwise direction after stretching out. Due to the arrangement of the storing mechanism, the sliding plate can be used for carrying equipment, such as a car door, needing to be assembled. In addition, the invention further provides a sliding plate conveying line using the multifunctional conveying sliding plate.

The invention discloses a multifunctional bicycle assembly workbench which is characterized by including a main support frame (1) and a hanging device (2), wherein the hanging device (2) is arranged on the main support frame (1) and used for hanging and fixing a bicycle frame so as to carry out forward assembly on a whole bicycle. The forward assembly and the backward assembly of the bicycle can be carried out according to the needs, so that the actual using status of bicycles can be simulated for debugging the bicycle; moreover, assembling and debugging for the multiple bicycles can be carried out simultaneously, working efficiency is high, and the occupied space is reduced.

The invention provides a large-sized cylinder high-precision multi-degree-of-freedom alignment device controlled by a support vehicle group. The device comprises three support vehicles, each support vehicle comprises a movement mechanism and a servo driving system, the support vehicles move in a two-dimensional plane through the movement mechanisms, and a cylinder bracket is driven by the servo driving systems to lift a cylinder. The six-degree-of-freedom movement of front-back walking, lifting, left-right transverse moving, rolling, pitching and left-right swinging of the cylinder is achieved, the three support vehicles support the front end, the middle end and the rear end of the cylinder respectively, synchronous or in-proportion motion is carried out, and alignment of the cylinder to be in butt joint is achieved. According to the device, the risk of cylinder deformation is reduced, the number of workers is reduced, the efficiency of alignment operation is improved, and the requirement of equipment assembly can be met.

The invention discloses a cantilever side plate connecting assembly type joint suitable for a multi-story high-rise steel structure, including a box-type steel column, an H-shaped steel beam and a lower flange cover plate, wherein the box-shaped steel column is connected with an H-shaped steel beam through groove-shaped connecting pieces, the groove-shaped connecting pieces are welded to the wallthickness positions of the two sides of the box-shaped steel column, the two groove-shaped connecting pieces are symmetrically arranged, an upper flange cover plate is fixed to the position, close toan upper flange of the box-shaped steel column, of the H-shaped steel beam, and the upper flange cover plate is fixedly connected to the two groove-shaped connecting pieces; a lower flange cover plateis fixed to a lower flange of the H-shaped steel beam, and the lower flange cover plate and the upper flange cover plate are symmetrically arranged. And the lower flange cover plate is also fixed atthe bottoms of the groove-shaped connecting pieces. According to the joint, plastic hinges can be moved outwards, the anti-seismic requirement of strong joints and weak components is met, and the joint is quickly assembled on site only through bolt connection in the on-site assembly operation, so that the construction period is greatly shortened.

The invention discloses an ultra-large-section special-shaped segment assembly machine. The ultra-large-section special-shaped segment assembly machine comprises a special-shaped track with the innercircumferential side being provided with an upper-layer rail surface and a lower-layer rail surface, and a first assembly mechanism and a second assembly mechanism used for assembling segments on theupper layer and the lower layer are arranged on the upper-layer rail surface and the lower-layer rail surface correspondingly. The first assembly mechanism and the second assembly mechanism of the ultra-large-section special-shaped segment assembly machine simultaneously travel along the special-shaped track, assembly of the segments on the upper layer and the lower layer is completed, interference is avoided, and the assembly effect of the segments is improved.

The invention relates to an air extracting pump which comprises a pump shell, centrifugal fan blades, axial flow fan blades and a rotating shaft. The centrifugal fan blades and the axial flow fan blades are arranged in the pump shell, the pump shell is connected and communicated with a ventilation pipe in the area where the centrifugal fan blades are located in the tangential direction of the pump shell, and the rotating shaft is limited to the centrifugal fan blades and the axial flow fan blades in the circumferential direction, so that the rotating shaft can drive the centrifugal fan blades and the axial flow fan blades to rotate relative to the pump shell at the same time, wherein the air displacement of the centrifugal fan blades during working is larger than that of the axial flow fan blades during working. According to the air extracting pump, the suction and discharge capacity of the air extracting pump in the whole working process can be improved, so that the large-discharge-capacity use requirement is met; and meanwhile, the axial flow fan blades and the centrifugal fan blades are arranged in the pump shell, so that the size can be reduced, miniaturization of the whole structure of the air extracting pump is achieved, and the using requirement for assembling of the air extracting pump in equipment is further met.

The invention relates to the technical field of gear structures, in particular to a special gear acceleration assembly connecting shaft. According to the adopted technical scheme, the special gear acceleration assembly connecting shaft comprises a cylindrical main body connecting supporting column, a cylindrical reinforcing connection stop column which is integrally formed is arranged on the leftside of the main body connecting supporting column, a cylindrical first assembly positioning column is arranged in the center of the left side of the reinforcing connection stop column, a cylindricalassembly connection assist supporting column which is integrally formed is arranged on the right side of the main body connecting supporting column, a damping assembly connection sealing ring is arranged at the position, close to the left side, of the external cylindrical surface of the assembly connection assist supporting column in a concentric distribution manner, the section of the damping assembly connection sealing ring is semicircular, and a second assembly positioning connecting hole is formed in the right front end of the external cylindrical surface of the assembly connection assistsupporting column. The special gear acceleration assembly connecting shaft has the advantages that safety and stability are higher when the shaft is in use, the safety of a gear rotating at a high speed in use is guaranteed better, and the application range of a gear structure is wider.

The invention discloses a self-locking coupler, which belongs to the technical field of couplers and comprises a coupling box; one side of the coupling box is fixedly connected with a coupling sleeve connected with an external driving mechanism; an inner cavity of the coupling box is provided with an energy absorption mechanism; one side of the energy absorption mechanism is movably connected with a transverse adjusting mechanism for transverse adjustment; one side of the transverse adjusting mechanism is connected with an assembling base through a universal mechanism capable of being adjusted in a multi-axis mode; and an inner cavity of the assembling base is movably connected with a fast-assembling type axial assembling mechanism. According to the invention, an inserted connecting shaft body and the assembling base on one side are fully attached, limited and fixed through the assembling sleeve and a tightening ring which are close to each other; therefore, self-locking assembling with the connecting shaft body can be achieved by screwing a fastening lead screw body; then the portability and stability of coupling assembly limiting can be remarkably improved; and the requirement of quick overhaul and maintenance can be met.

The invention discloses a semiconductor production equipment support which comprises a cuboid-shaped support body. The interior of the support body is hollow, and one front face of the support body is open; a cube-shaped positioning block is fixed at one end of the support body in the length direction, a positioning hole is formed in the positioning block, and the included angle between the axis line of the positioning hole and the center line of the support body in the length direction is 45 degrees; an inverted-T-shaped positioning plate is fixed on the lower end face of the support body and located at the other end of the support body in the length direction. Due to the fact that the included angle between the positioning hole formed in the positioning block and the support body is 45 degrees, the support can be conveniently assembled, and the assembling efficiency is improved; through the design of the inverted-T-shaped positioning plate, the structure of the support better meets the assembling requirements, manpower needed by assembling can be reduced, and the assembling quality is guaranteed.

The invention discloses a flip chip packaging structure and a packaging method. The flip chip packaging structure comprises a flexible circuit board and a flip chip installed on the flexible circuit board. The flexible circuit board comprises a base layer, a circuit layer and a protective layer, wherein the circuit layer and the protective layer are arranged on the surface of the base layer; the side, provided with a flip chip, of the flexible circuit board is provided with a blocking body which is arranged on the protective layer and protrudes in the direction away from the protective layer;a sealant layer is arranged between the blocking body and the flip chip; the height h of the blocking body is not less than H-L; L represents the distance from the blocking body to the flip chip; H represents the vertical distance between the top of the sealant layer and the protective layer. The flow of the sealant is limited between the blocking body and the flip chip through the arrangement ofthe blocking body, so that the width of the sealant layer on the protective layer is effectively controlled, and the overflow of the sealant layer is effectively controlled.