70 results about "Pre-RC assembly" patented technology

The utility model relates to the technical field of railway vehicle manufacturing, in particular to a city vehicle pre-assembly unwheeling transition beam and a city vehicle pre-assembly unwheeling, two side bearing supporting assemblies are used for supporting connecting blocks on the two sides of a vehicle body in a one-to-one correspondence mode, an avoiding face is formed on a main beam, the avoiding face is used for facing the vehicle body, and the side bearing supporting assemblies are used for supporting the connecting blocks on the two sides of the vehicle body in a one-to-one correspondence mode. The avoiding face extends from one side bearing supporting assembly to the other side bearing supporting assembly in the first direction, the avoiding face extends from one end of the main beam to the other end of the main beam in the second direction, and the length direction of the main beam is parallel to the first direction. The second direction is parallel to the avoiding surface, and the second direction is perpendicular to the first direction. The utility model aims to provide a transition beam for a city vehicle preassembling and assembling rack vehicle and the city vehicle preassembling and assembling rack vehicle in order to solve at least one technical problem related to the background technology.

The present invention provides a GIS high-voltage switch housing that is easy to assemble and is applied to the field of electrical switches. The housing, through the cooperation of a reserved guide cavity, a guide insert, a sealing ring and a guide ring, can not only guide the pre-assembly process of the housing, the housing cover and the housing bottom, simplifying the assembly steps and improving the pre-assembly position accuracy and efficiency, but can also limit the connection position of the housing, the housing cover and the housing bottom during the welding assembly process, effectively guide the weld, further reduce the difficulty of the welding assembly process, and improve its welding accuracy. While effectively avoiding mechanical damage to the sealing ring, it also improves the quality of the sealing welding, ensures its sealing effect, ensures the maintenance of the sealing performance of the housing, and thus improves the production quality of the housing and the safety during subsequent use.

The application discloses a pre-assembly clamp which comprises a fixed bottom plate, a screwdriver head mounting seat, a movable positioning plate, lifting guide columns, lifting limiting seats, return springs, screw positioning holes, profiling positioning grooves and a material stripping assembly. In the pre-assembly clamp, the screw back-off mode is adopted to solve the problems that PCB holes are difficult to align and products are not locked due to screw deviation, improve the assembly accuracy and yield, and the material stripping assembly is used to help the products to be quickly stripped, thereby improving the work efficiency.

The application discloses a kind of eccentric hinge arc door support hinge pre-assembly methods, belong to eccentric hinge arc door technical field, including selecting site, burying foundation plate, installation adjustment pre-assembly device and detection qualified, install auxiliary support, assemble two fixed hinge bases, check each reference edge, center line and hole position deviation qualified, connect fixed hinge base and main base bolt, detect the coaxiality deviation qualified of the center of four shaft holes of two hinge bases without bearing cover, assemble hinge base bearing cover, detect the coaxiality deviation qualified of the center of four shaft holes of two hinge bases, make the alignment mark of hinge base and pre-assembly device, remove hinge base bearing cover and assemble movable hinge base, eccentric shaft and bearing, assemble movable hinge base, adjust eccentric angle of eccentric shaft consistent, install crank arm and coupling, adjust movable hinge base and detect center line qualified, eccentric action test.The application can solve the problem of positioning precision of eccentric hinge device assembly without support girder, and can improve the safety, accuracy and one-time qualified rate of assembly work.

A method (1, 2, 3) for manufacturing a connector comprises at least the following steps: a. Inserting a pre-assembled cable harness together with plug contacts that have already been crimped onto individual wires of the cable harness into a first injection mold; b. Overmolding of the cable harness and plug contacts in the first injection mold with a first material at a low pressure of less than 10 bar to create a sealing base body. Furthermore, the sealing base body can be surrounded by a particularly hard housing shell. This can consist of two housing halves that can be clipped together, or alternatively, a further overmolding with a second, comparatively hard material. Overmolding with the aforementioned first material is also possible and can be advantageous for tactile reasons.

A flexible hose adapter configured for engagement with a coupling can comprise an end piece, the end piece defining an inner end and an outer end, the end piece defining an axis, the end piece defining a sealing surface and a raised lip, the raised lip defined between the inner end and the sealing surface; a flexible hose attached to the outer end of the end piece; and a socket end piece attached to the flexible hose opposite from the end piece.

This utility model relates to a pre-assembly fixture for rubber joints before press-fitting. The fixture includes a base, a pressure cap, a first bolt, and a positioning cylinder. When the base and pressure cap are aligned, two semi-circular grooves form a central hole. The central hole is used to place the rubber joint, and the base and pressure cap surround the outer circumference of the rubber joint. A positioning cylinder is fixedly connected to the center of the base's surface facing away from the pressure cap. At least one end face of the pressure cap is provided with an alignment mark, which indicates the gap position between the rubber body and the split parts. One end of the first bolt passes through the pressure cap and is threadedly connected to the base, fixing the pressure cap and base together. This fixture enables the pre-assembly of rubber joints, featuring a simple structure and convenient operation, solving the problem of the inability to smoothly press-fit existing split rubber joints.

The present invention discloses a product assembly mechanism, which includes a part-entering mechanism for loading component A into component B and a sealing mechanism for sealing the product; the sealing mechanism includes a part placement groove, a sealing power member arranged at the upper end of the part placement groove, and a sealing plate connected to the output end of the sealing power member and cooperating with the part placement groove to seal component B loaded with component A. The present invention loads component A into component B through the part-entering mechanism to achieve pre-assembly of the two, and drives the sealing plate downward through the sealing power member to cooperate with the part placement groove to extrude and shape the connection between component B and component A, thereby achieving component A being firmly locked in component B, overcoming the problems of low efficiency and loose assembly of traditional assembly methods.

A pre-assembled bus bar module for mounting to a stator of a generator of a wind turbine, comprising: a plurality of bus bars spaced across an angle to be covered at the stator; a plurality of bus bar supporting devices, the bus bars are installed on the plurality of bus bar supporting devices, and the plurality of bus bar supporting devices are distributed on the angle interval; a mechanical interface for mounting the pre-assembled bus module to a mounting surface of the stator; and an electrical interface for electrically connecting the bus bar to a stator winding of the stator.

The present application relates to precision instruments and semiconductor manufacturing equipment technical field, specifically to a kind of ATE spring probe semi-automatic pre-assembly device;The ATE spring probe semi-automatic pre-assembly device includes blanking carousel and assembly mechanism;The blanking carousel is provided with needle tube blanking hole, needle tail blanking hole, spring blanking hole and needle head blanking hole, needle tube blanking hole, needle tail blanking hole, spring blanking hole and needle head blanking hole are all provided with upper gate and lower gate;The assembly mechanism is cylindrical structure, and the bottom of the cylindrical structure is provided with total gate;The present application can realize that needle head, spring and needle tail are automatically aligned and loaded into needle tube to complete pre-assembly, greatly shorten alignment time, improve pre-assembly efficiency;And through the structural design of upper carousel, upper gate fixing disc, middle carousel, lower gate fixing disc, lower fixing disc and total gate carousel, the logic realization of upper gate, lower gate and total gate opening and closing is completed;Meanwhile, parameter design method is also given.

The invention relates to the technical field of air duct lining air duct installation methods, in particular to an air duct lining air duct installation method adopting prefabricated assembly splicing, and the air duct lining air duct installation method comprises the steps that a plurality of lining air duct prefabricated parts and installation reference parts are obtained; mounting the mounting reference part at the connection starting position of each air duct section; the lining air pipe prefabricated part is installed on the edge of the flange of the installation reference part in a butt joint mode; the multiple lining air pipe prefabricated parts are sequentially installed at the end of the previous lining air pipe prefabricated part in a butt joint mode; the pre-installed air duct lining air pipe is heated; installing a gas flow monitoring device; and whether the sealing performance of the lining air pipe is adjusted or not is judged according to the air flow. According to the method, the lining air pipe needing to be assembled on site is pre-assembled, so that the on-site installation difficulty is reduced, and the installation time is saved.

A universal dispensing tap (1) made of plastic material equipped with automatic closure for connection systems is described, comprising: an elongated cylindrical support nozzle or main nozzle (6); an internal body (3); an internal stem (4) equipped with one or more elongated elements (4.4); an elastic dome element (5) designed to generate a hermetic seal of the tap (1) due to the cooperation between an external ring geometry (5.4) on an inclined plane geometry (3.5) of the internal body (3); and a protective cap (2) having the task of protecting and covering the internal elements of the tap (1), wherein the support nozzle (6) is equipped, on the outside, with connection and hooking means (6.2, 6.4, 6.5) and with external hooking and sealing means (6.1) when the tap (1) is in a pre-assembly position, and, on the inside, with sealing means (6.6) and a stop ring at the top (6.7) and lower plane (6.8) with corresponding geometries of the internal body (3), so as to divide the inside of the nozzle (6) into two zones.

A stamping jig is used for preparing a pre-assembled part, the pre-assembled part comprises an elastic piece, a clamping jaw of the elastic piece clamps a memory metal wire, and the stamping jig comprises a supporting assembly used for bearing the elastic piece and the memory metal wire; the positioning assembly is arranged on the supporting assembly and is used for positioning the elastic sheet and the memory metal wire at a stamping preparation position; and the stamping assembly is used for applying pressure to drive the clamping jaw to deform, so that the deformed clamping jaw clamps the memory metal wire. By the adoption of the technical scheme, the assembling efficiency of the pre-assembled assembly can be effectively improved.

The application discloses a vacuum chamber cold screen assembling method, and belongs to the technical field of fusion reactors. The assembling method comprises the following steps: conveying an inner sector to a first mounting position through a sector pre-assembly tool, pausing and detecting the appearance position of the inner sector multiple times during the conveying, and fixing the inner sector when the distance between the inner sector and a ring petal meets the standard; conveying an outer sector to a second mounting position through the sector pre-assembly tool, pausing and detecting the appearance position of the outer sector multiple times during the conveying, fixing the outer sector when the distance between the outer sector and the ring petal meets the standard, and connecting the outer sector with the inner sector, wherein the second mounting position is determined based on the first mounting position; hoisting a window section to a third mounting position and connecting the window section with the outer sector, wherein the third mounting position is determined based on the second mounting position; hoisting a cover plate to a fourth mounting position and connecting the cover plate with the outer sector and the window section, wherein the fourth mounting position is determined based on the second mounting position and the third mounting position. The design improves the assembling precision of the cold screen and reduces the risk of collapse deformation.

The utility model discloses a modularized door frame combined structure, and aims to overcome the defect that the existing door frame is difficult to store and transport due to the fact that the whole door frame is assembled in a factory. The section bar comprises a first section bar and a second section bar, connecting plates are fixedly connected to the positions, close to the two ends, of the first section bar, a plurality of inserting pieces arranged in the length direction are arranged at the two ends of the first section bar, inserting holes and connecting holes for indicating the inserting pieces are formed in the positions, close to the ends, of the second section bar, and the connecting plates and the second section bar are fixedly connected through fasteners. The connecting plate and the first section bar are fixed after leaving a factory, the first section bar and the second section bar are assembled on site through fasteners, storage and transportation can be facilitated, an assembler can assemble the door frame through a simple tool (screwdriver) under the construction environment, pre-assembly is conducted through the insertion holes and the insertion pieces, and the assembly efficiency is improved. And the difficulty of field assembly is further reduced.

A hinging system includes a pre-assembled hinge module configured to couple a first component to a second component. The pre-assembled hinge module includes a shaft, a torque element frictionally engaging the shaft, and a housing. The housing includes a cover, a sidewall, and a back wall defining an interior space enclosed within the housing. The interior space receives the torque element within the housing. The cover defines a first aperture and the back wall defines a second aperture, the first and second apertures aligned with a pivot axis of the shaft. The shaft extends at least through the first aperture, the interior space, and the second aperture. The shaft is separate from the first component and configured to be mounted to the first component. The housing is separate from the second component and configured to be mounted to the second component.

The present invention relates to a prechamber ignition module (1), - with an electric ignition device (2), - with an antechamber (3), - with an electric heating device (4) surrounding the pre-chamber (3) and designed as a heating coil (10) or heating sleeve (11) for heating the pre-chamber (3), which is integrated into a wall (5) of the pre-chamber (3), - wherein the ignition device (2), the pre-chamber (3) and the heating device (4) form a pre-assembled unit. This can significantly improve ease of assembly.

The invention discloses a pre-assembly structure, a pre-assembly method and an implantation method of a microwire electrode. The pre-assembly structure comprises a microwire electrode and a plurality of microwire electrodes, wherein the microwire electrode is provided with a substrate and a plurality of microwire structures attached to the substrate; microfilament structures are arranged on the organic thin film; and the rigid implanting tool is fixedly connected with the microwire structure, and the rigid implanting tool is used for implanting the electrode recording site on the microwire structure into the target object. By means of the technical scheme, the problems that in the prior art, a microwire electrode is prone to adhering to a substrate in the drying process, so that separation is difficult, and after being dried, the microwire electrode is unstable in air and prone to fluttering and winding, so that operation difficulties are brought to the follow-up implantation step can be effectively solved.

A pre-assembled module (10) for a test device (1) for testing at least one property of items to be tested, wherein the test device (1) is integrated into a production or processing plant of the items to be tested, comprising a test unit (1) comprising as components (2) sensor devices for detecting the at least one property of the items to be tested, signal processing means, amplifier means, control means, evaluation means, cables (23), circuit boards (22) and connectors (24), and a rotatably mounted conveyor drum (3) with at least one ring body (31) on which at least two conveyor troughs (32) are arranged, each conveyor trough (32) having its own sensor device comprising a transmitter and a receiver for detecting the at least one property of the item to be tested located in the conveyor trough (32),wherein the pre-assembled module (10) houses at least two components (2) of the test device and is designed and configured for insertion into a recess (4) in the conveyor drum (3), it makes it possible to accommodate the required components of the test device in the small space available in the conveyor drum, in order to realize the provision of a sensor device in each conveyor trough (32).

Provided herein is an SC connector with a stable structure and an easy assembly. The SC connector has the characteristics of compact assembly, and the assembly mode of its inner core structure is more conducive to the integration after assembly. Especially after adhesive injection, as the mold closing seam of the inner core structure is not a split structure in the general sense, it is not easy to be separated and broken due to external force action, achieving better stability than existing general products. It can effectively prolong the service life of equipment in low-frequency vibration environment. As a pre-assembled connector with good performance, it can be easily assembled and reliable when used on-site, and can be quickly applied to line assemblies.

The application discloses a kind of automatic sealing ring feeding sleeve joint devices, including automatic feeding assembly, the automatic feeding assembly can be transported to horizontal conveying assembly to sealing ring, the horizontal conveying assembly can be transported to assembly station along horizontal direction to sealing ring, and sealing ring is assembled with workpiece in assembly station, the assembly station includes first pre-assembly component and second complete assembly component, the first pre-assembly component and second complete assembly component are connected by two-stage assembly block, and the first pre-assembly component can be assembled to two-stage assembly block in first step, and the second complete assembly component can be assembled with workpiece in sealing ring in first step. By setting this tooling, automatic sealing ring feeding assembly is realized, the efficiency of assembly is improved, and also, several groups of tooling can be arranged in parallel, to improve the degree of automation.

A plug assembly for an electrical plug extending through a wall includes a first housing part having a contact chamber receiving an electrical contact, a second housing part having a receptacle in which the first housing part is received, and a base plate fastening the plug assembly to the wall. The plug assembly is pre-assembled by fastening the first housing part and the second housing part on different sides of the base plate.

The invention discloses a pre-assembled chip assembling tool, a pre-assembled chip and a packaging method, the pre-assembled chip is formed by superposing and pre-assembling a plurality of chips, each layer of chips are solidified and connected through chip mounting glue, and the pre-assembled chip can be directly packaged on a substrate or in a ceramic shell in the later stage; the assembling tool comprises a base and a carrying disc arranged on the base, placing grooves for placing chips are formed in the front face of the carrying disc, vacuumizing holes are formed in the bottoms of the placing grooves and extend to the back face of the carrying disc, the base is provided with a vacuumizing channel, and each placing groove is communicated with the vacuumizing channel; when a plurality of chips are pre-assembled, the lower-layer chips are placed in the placing grooves and fixed in the placing grooves through vacuum suction fastening, and then the upper-layer chips are assembled layer by layer, so that the chips can be uniformly cured after being assembled, and also can be cured in a segmented manner. According to the packaging method of the pre-assembled chip realized by the assembling tool provided by the invention, the risk that the surface of a product is scratched can be reduced, the adverse effects of wire pressing and the like on preorder bonding are reduced, and the packaging efficiency is greatly improved.

The utility model relates to the technical field of door lock production, and discloses a pre-assembly device for an intelligent lock, the pre-assembly device comprises a first base, a mounting groove is formed in the first base, a bearing is slidably connected in the mounting groove, and a snap spring is fixedly arranged at the position, close to the bearing, in the mounting groove. According to the pre-assembling device for the intelligent lock, a threaded rod is rotated, and the threaded rod rotates to drive a rotating column and a gear to rotate, so that a first rack and a second rack move in opposite directions to drive a first clamping block and a second clamping block to move until the distance between the first clamping block and the second clamping block is equal to the width of a door lock; the door lock is placed between the first clamping block and the second clamping block, at the moment, the handle is located between the installation base and the first base and the second base, the handle cannot be abraded in the installation process, and therefore the situation that the appearance of the handle is affected in the assembly process is avoided as much as possible.

The pipe clamp comprises clamping pieces, a shock pad set, a bolt and a nut, the shock pad set is clamped between the two clamping pieces, arc-shaped holes matched with a pipeline are formed in the opposite sides of a first shock pad and a second shock pad of the shock pad set, and first clamping parts are arranged on the opposite sides of the first shock pad and the second shock pad; and the clamping piece is provided with a second clamping part matched with the first clamping part, so that the clamping piece is pre-assembled with the first shock pad and the second shock pad. In the transportation and carrying process, the clamping pieces and the first shock pads are pre-assembled together to form a first whole, the clamping pieces and the second shock pads are pre-assembled together to form a second whole, the pipe clamp structure is not scattered, and transportation is convenient; when the pipe clamp and the pipeline are fixed, only the bolt and the nut need to be detached, the first whole and the second whole are not detached, the first whole and the second whole are directly matched with the pipeline, and compared with the mode that in the prior art, all parts of the pipe clamp need to be detached and reassembled, the assembling process of the pipe clamp and the pipeline is simplified.

The application relates to the technical field of precision instruments and semiconductor manufacturing equipment, in particular to a gate structure for ATE spring probe pre-assembly; the gate structure for ATE spring probe pre-assembly comprises, from top to bottom, an upper turntable, an upper gate fixed disc, a middle turntable, a lower gate fixed disc, a lower fixed disc and a total gate turntable; the upper turntable and the middle turntable are sequentially provided with a needle tube blanking hole, a needle tail blanking hole, a spring blanking hole and a needle head blanking hole; the needle tube blanking hole, the needle tail blanking hole, the spring blanking hole and the needle head blanking hole are located on the same circumference; the application can realize automatic alignment of the needle head, the spring and the needle tail and loading into the needle tube to complete pre-assembly, greatly shortens the alignment time and improves the pre-assembly efficiency; and through the structural design of the upper turntable, the upper gate fixed disc, the middle turntable, the lower gate fixed disc, the lower fixed disc and the total gate turntable, the logical realization of opening and closing of the upper gate, the lower gate and the total gate is completed; and a parameter design method is provided.