143 results about "Pre-RC assembly" patented technology

The invention relates to the technical field of advanced manufacturing, and discloses a patterned multilayer structure construction method based on immiscible phase auxiliary filling. The construction method of the patterned multilayer structure comprises the following steps: S1, dispersing assembly units in a curable water phase to obtain a pre-assembly liquid; s2, the pre-assembly liquid is added to the bottom layer of an assembly cavity, an insoluble phase is added to the upper layer to be flush with the upper edge of the assembly cavity, standing waves are applied, the assembly units form patterns in the pre-assembly liquid, the pre-assembly liquid is cured, and a first structural layer is obtained; s3, removing the immiscible phase, adding the assembling liquid to the surface of the first structural layer, adding the immiscible phase again until the immiscible phase is flush with the upper edge of the assembling cavity, applying standing waves to enable the assembling units in the pre-assembling liquid to form patterns, and solidifying the pre-assembling liquid to obtain a second structural layer; and S4, repeating the step S3 to obtain the patterned multilayer structure.

The invention relates to a housing assembly protected against contact for a module connector, with a housing which comprises a passage opening extending through the housing in a direction of connection, and with a screw with a screw head arranged in the passage opening, where the screw is locked in the passage opening in a pre-assembly position. Such a housing assembly can be assembled quickly and in a simple manner and at the same time is completely protected against contact.

The invention provides an integrated mounting system and method for a high-temperature gas cooled reactor core supporting structure, and relates to the technical field of nuclear power construction, the integrated mounting system for the high-temperature gas cooled reactor core supporting structure comprises a pre-assembly plant, and a bridge crane is arranged in the pre-assembly plant; the first operation platform is provided with pre-assembly cabins arranged in multiple rows and multiple columns, each pre-assembly cabin is correspondingly provided with two cantilever cranes, and the cantilever cranes are used for reshipment, namely installation, of equipment in the pre-assembly cabins. The integrated mounting system for the high-temperature gas cooled reactor core supporting structure solves the problem that the reactor core supporting structure is lack of an integrated pre-assembly environment outside a nuclear island plant, and provides guarantee for smoothly realizing integrated pre-assembly of the reactor core supporting structure outside the nuclear island plant; the construction difficulty is correspondingly reduced, the construction operation environment is improved, and the construction level of nuclear power engineering in China and the economical efficiency of high-temperature gas cooled reactor nuclear power are improved.

The invention discloses a rapidly pre-assembled model product, which is formed by mutually sleeving and assembling a trunk model, a head model, an arm model and a leg model; The head model is arranged on the top of the trunk model; The arm model includes a left arm model and a right arm model, wherein the left arm model is arranged on the left side of the top of the trunk model, and the right arm model is arranged on the right side of the top of the trunk model; The leg model includes a left leg model and a right leg model, wherein the left leg model is arranged on the left side of the bottom of the trunk model, and the right leg model is arranged on the right side of the bottom of the trunk model. The figure model of the invention is formed by mutually sleeving and assembling a trunk model, a head model, an arm model and a leg model, thus canceling the splicing form of the existing model adopting a small block structure, and through the pre-assembled modules, the modules are assembled and spliced through corresponding connecting structures, so as to make the whole model product assembled and spliced more conveniently and quickly.

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.

A modular system for manufacturing a connection assembly (3, 3') comprises a group of housing parts (10, 10A, 10B) that can be joined together along a direction of assembly (A) to mount the connection assembly (3, 3'), and a group of spring elements (12), each having a clamping leg (120). The modular system also comprises a group of contact elements (11) of the first type and a group of contact elements (11') of the second type, and an outer housing (30) of the first type and an outer housing (30') of the second type. The group of housing parts (10, 10A, 10B) and the group of spring elements (12) can be combined with either the group of contact elements (30) of the first type or with the group of contact elements (30') of the second type to form a pre-assembly assembly (15) for mounting the connection assembly (3, 3').The pre-assembly assembly (15) can be inserted into the outer housing (30) of the first type or into the outer housing (30') of the second type in one assembly direction (M).

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.

According to the supporting device for preassembly and transportation of the steel structure column and the using method of the supporting device, the shear keys are effectively fixed, so that a steel structure is convenient to assemble and stable in structure. The foundation comprises a supporting panel, a foundation bottom plate, reinforcing rib plates and clamping plate assemblies. The supporting panel is located above the foundation slab, the supporting panel and the foundation slab are fixed together through the reinforcing rib plate, and the supporting panel is used for placing a steel structure column; a mounting groove hole is formed in the supporting panel, a containing cavity used for containing the shear key is formed between the supporting panel and the foundation bottom plate, and the containing cavity is located below the mounting groove hole; the clamping plate assembly is arranged on the side face of the installation groove hole and comprises a base plate, an upper clamping plate and a fastener. The upper clamping plate is fixed to the base plate, and the base plate and the supporting panel are connected and fixed through a fastener.

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.

The embodiment of the present application discloses a pre-assembly tool, including a hoisting tool and a fixing tool. The hoisting tool is used to hoist the suspension frame support arm, and the suspension electromagnet and the guide electromagnet are pre-assembled with the hoisted suspension frame support arm; the fixing tool is used to fix the suspension frame support arm, the suspension electromagnet and the guide electromagnet after pre-assembly to ensure the size of the pre-assembled whole to meet the requirements of installation with the suspension frame crossbeam. At the same time, during transportation and storage, the pre-assembled whole is also fixed and supported by the fixing tool to reduce the difficulty of storage and transportation of the pre-assembled whole; when the electromagnet needs to be inspected separately, the fixing tool is connected to the pre-assembled whole, and the pre-assembled whole and the fixing tool are driven down by a forklift. The fixing tool keeps the pre-assembled whole in a vertical state, so that the staff can inspect the electromagnet separately and reduce the difficulty of inspection.

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 invention discloses intelligent spring assembly equipment for spring assembly, and belongs to the technical field of spring assembly assembly.The intelligent spring assembly equipment for spring assembly comprises a frame and a connecting frame, and a workbench is installed in the frame; a six-axis mechanical arm is arranged to firstly clamp a first part on a fourth part base to a pre-assembly auxiliary mechanism, then clamp a second part on a third part base to be placed on the inner side of the first part, then clamp a third part on the first part base to be placed on the inner side of the second part, and finally clamp a fourth part on the second part base to be placed on the top of the third part. A first part is clamped by a second assembling air cylinder on the pre-assembling auxiliary mechanism, a fourth part is pressed downwards through a first assembling air cylinder on the downward-pressing assembling mechanism in cooperation with a pressing base so that assembling forming can be achieved, and after assembling is finished, an assembled product is thrown into a discharging port through a six-axis mechanical arm and flows into a collecting box through a square discharging pipe to be collected. The steps are repeated, the parts do not need to be frequently taken manually, the manual labor intensity is low, the assembling efficiency is high, and using is convenient.

The present invention relates to the field of advanced manufacturing technology, and discloses a method for constructing a patterned multilayer structure based on immiscible phase auxiliary filling. The method for constructing a patterned multilayer structure comprises the following steps: S1, dispersing assembly units in a curable aqueous phase to obtain a pre-assembly liquid; S2, adding the pre-assembly liquid to the bottom layer of the assembly chamber, adding an immiscible phase to the upper layer until it is flush with the upper edge of the assembly chamber, applying a standing wave, so that the assembly units form a pattern in the pre-assembly liquid, and curing the pre-assembly liquid to obtain a first structural layer; S3, removing the immiscible phase, adding assembly liquid to the surface of the first structural layer, adding an immiscible phase again until it is flush with the upper edge of the assembly chamber, applying a standing wave, so that the assembly units in the pre-assembly liquid form a pattern, and curing the pre-assembly liquid to obtain a second structural layer; S4, repeating step S3 to obtain a patterned multilayer structure.

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 first alternative of the application first defines a one-piece metal blank that will make it possible to produce a connector sub-assembly ready to be directly crimped to an insulated and shielded cable, prepared beforehand. A second alternative of the application first defines a pre-assembled connector sub-assembly that incorporates front and rear crimping portions with different electrical and / or mechanical characteristics, and which is ready to be directly crimped to an insulated and shielded cable, prepared beforehand. Either of the two alternatives makes it possible to minimize assembly steps and associated risks such as those due to the processes of fitting together a great many components according to the prior art.

The utility model relates to the field of vehicle-mounted cameras, and discloses a vehicle-mounted camera front and rear shell pre-assembly clamping structure which comprises a front shell, the back face of the front shell is in contact with a fixing assembly, the front face of the fixing assembly is fixedly connected with a fixing round block, and the front face of the fixing round block is fixedly connected with a limiting seat. A sliding clamping block is slidably connected into the limiting base, a limiting column groove is formed in the sliding clamping block, a limiting ball is slidably connected into the limiting column groove, and a spring groove is formed in the back face of the sliding clamping block. According to the utility model, the limiting seats, the clamping needles and the limiting balls are arranged, the clamping needles are inserted into the limiting seats, and the limiting springs push the sliding clamping blocks to enable the limiting balls to clamp the clamping needles, so that the front shell and the rear shell are clamped conveniently, and meanwhile, the holes and the clamping needles on the multiple groups of limiting seats are utilized to play a positioning role, so that clamping can be carried out without additionally arranging positioning columns; and the die cost is reduced, and the clamping effect is improved.

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.