23results about How to "Reduce welding process" patented technology

The counterbalance forklift truck frame structure comprises a main frame, and the main frame comprises a head portion, a middle portion and a tail portion which are integrally formed. Wherein the left side and the right side of the head part respectively extend forwards to be provided with a first connecting arm; the middle part is provided with a first containing cavity, the front side face of the first containing cavity is connected with the rear end of the head part, and the front side face of the first containing cavity is used for installing a drive axle assembly; the tail portion is provided with a second containing cavity used for installing an auxiliary balance weight and a third containing cavity used for containing a steering axle assembly, the second containing cavity is located above the third containing cavity, the second containing cavity and the third containing cavity are separated through an installation platform, and the front end of the installation platform is connected with the upper end of the rear side face of the first containing cavity. A first opening is formed in the installation platform, and a rear axle frame in the steering axle assembly penetrates through the first opening to be installed on the installation platform. In the scheme, the main frame is integrally cast and formed, welding parts and welding procedures are reduced, the cost is reduced, and the overall assembly efficiency is improved.

This application relates to the field of commercial vehicle body technology, and particularly to a front bulkhead structure for a commercial vehicle. The front bulkhead structure includes a front bulkhead beam, which comprises an upper crossbeam and a lower crossbeam, connected by a front bulkhead longitudinal beam. The upper crossbeam includes an upper crossbeam body and an upper crossbeam armrest mounting location, with the thickness of the armrest mounting location greater than the thickness of the upper crossbeam body. The lower crossbeam includes a mounting bracket, one end of which connects to the front bulkhead longitudinal beam, with the thickness of the mounting bracket greater than the thickness of the upper crossbeam body. This application provides a front bulkhead structure for commercial vehicles to address the problem in related technologies where adding reinforcing plates to strengthen the front bulkhead increases the number of parts and welding processes, making it difficult to achieve lightweight design.

This invention relates to the field of battery technology, and provides a busbar with power-off and pressure-relief function, a battery cap, and a battery. The busbar includes a power-off structure, a pressure-relief structure, and a connecting section. One end of the connecting section is connected to the power-off structure; the other end of the connecting section is connected to the pressure-relief structure. The power-off structure, the pressure-relief structure, and the connecting section are integrally formed components. A first cutout structure is provided between the power-off structure and the connecting section; a second cutout structure is provided on the surface of the pressure-relief structure. The first and second cutout structures are used to reduce the thickness at corresponding locations. This busbar and battery with power-off and pressure-relief function can ensure reliable disconnection between the pressure-relief structure and the power-off structure when the internal pressure of the battery abnormally increases, while also simplifying the manufacturing process.

The application relates to the technical field of batteries, in particular to a battery cell shell and a battery cell. The battery cell shell comprises a shell body with a bottom wall and a side wall; a pressure relief piece is formed as a groove-shaped structure arranged in the interior of the shell body and is formed by inwardly recessing the bottom wall, and the thickness dimension of the side wall in a first direction is g; the distance between the end of the pressure relief piece facing the side wall and the surface of the side wall away from the accommodating cavity in the first direction is w1, and 5*g<=w1<=6*g. In the application, the shell body can protect the pressure relief piece, the risk of external contamination is reduced, the pressure relief piece is directly formed on the bottom wall of the shell body, the processing and molding are facilitated, the welding process is omitted, the cost is saved, the production yield of the battery cell is improved, a sufficient safety distance is formed between the pressure relief piece and the side wall, the pressure relief area of the pressure relief piece after opening is sufficient, and the production quality and safety performance of the battery cell are improved.

This invention belongs to the field of water electrolysis for hydrogen production technology, and specifically relates to an electrolyzer. It includes a sealing element, electrode I, a diaphragm, electrode II, and bipolar plates. The two bipolar plates are sealed together by the sealing element. The diaphragm is disposed between the two bipolar plates, with two reaction chambers formed on each side of the diaphragm. Electrode I and electrode II are respectively disposed within the two reaction chambers. The bipolar plates are provided with an inlet and an outlet. The sealing element has an inlet channel and an outlet channel for connecting the reaction chambers with the inlet and outlet. This invention combines the bipolar plates and the electrode frame into a single fabricated component, eliminating the welding process between the electrode frame and the electrode plates. Furthermore, because this invention does not use a thick electrode frame, it significantly reduces the material and processing costs of the electrode frame.

The application discloses a preparation method of a semiconductor laser, which comprises the following steps: providing a heat sink mother plate, cutting the heat sink mother plate to form a plurality of heat sink substrates, providing an epitaxial wafer, arraying the heat sink substrates on the epitaxial wafer, forming a plurality of interval gaps parallel to a resonant cavity direction and perpendicular to the resonant cavity direction, dividing the epitaxial wafer along the interval gaps, obtaining a plurality of laser chips, stacking the laser chips, and coating the stacked laser chips to form a plurality of semiconductor lasers. Through the above method, the semiconductor laser and the preparation method thereof provided by the application directly replace the support strip in the prior art with the heat sink substrate, save materials, and reduce the welding process of the support strip after coating and separation.

The invention provides an automatic winding machine which comprises a support, the support is provided with a working position and a winding assembly, the winding assembly is arranged in the working position, the winding assembly comprises a telescopic part and a flying fork, the flying fork is in driving connection with a motor, and one end of the flying fork is an extending point of an enameled wire; a plurality of working blocks are evenly arranged on the tray, the arrangement direction of the working blocks is the same as the moving direction of the tray on the support, and when the tray moves on the support, the tray drives the working blocks to enter and penetrate through the working positions along the moving path of the tray; the wire clamping mechanism is arranged at the position, corresponding to the working position, of the support, the wire clamping mechanism comprises a driving part, a wire clamp and a wire shear, the driving part is used for driving the wire clamp and the wire shear to be opened and closed at the same time, and the effect that windings in the same working group are connected without welding on the winding assembly and the motor is achieved; and the procedure of welding the windings when the windings of the motor are assembled is omitted.

This application discloses a light string and an outdoor light. The light string includes multiple lamp heads and wires. Adjacent lamp heads are electrically connected by the wires. Each lamp head includes a base shell, a circuit board, a lampshade, and a conductive element. The lampshade is in sealed contact with the base shell, and the circuit board is sealed within the space formed by the lampshade and the base shell. The wires pass through the base shell and form a sealed contact with it. The conductive element is located between the circuit board and the base shell. The conductive element includes a first connecting end and a second connecting end. The first connecting end passes through the inside of the wire and is electrically connected to it. The second connecting end is used to electrically connect to the circuit board. The conductive element enables the wires and the circuit board to be electrically connected. In this application, the circuit board and the wires are separated at the location of the base shell. The two are electrically connected by the conductive element passing through the wires, which enhances the sealing effect of the circuit board. At the same time, the wires and the circuit board can be electrically connected during the assembly process, reducing the soldering process between the wires and the circuit board and simplifying the product manufacturing process.

This utility model relates to the field of electrical connector manufacturing technology, and in particular to a ribbon cable signal transmission assembly, which is composed of an FPC electrical connector and an FFC ribbon cable. Regarding the FPC electrical connector, multiple mechanical terminals cooperate to elastically apply pressure and limit the flip-type pressure member. When the FFC ribbon cable is inserted into the ribbon cable insertion slot and the flip-type pressure member is locked, the FFC ribbon cable is elastically pressed by multiple terminals. A front locking member and a rear locking member cooperate to lock the flip-type pressure member. The shielding metal member is grounded, and after assembly, each of the mechanical terminals makes contact with the shielding metal member and is electrically connected. Thus, on the one hand, the electromagnetic shielding performance of the FPC electrical connector is effectively improved; on the other hand, the step of soldering the mechanical terminals to the PCB board is eliminated, and the degree of freedom of their translational movement is limited by the shielding metal member, ensuring a more reliable electrical connection between the mechanical terminals and the shielding metal member.

This invention relates to a T-shaped arc-shaped press-fit suspension structure and installation method for a monorail track, relating to the field of monorail tracks. It includes a first track and a second track that are connected together, and a fixed upper suspension assembly. A double-plate bearing seat is fixedly connected to the upper end face of the first track, and a T-shaped single pressure plate is fixedly connected to the upper end face of the second track. The T-shaped single pressure plate has a connecting portion extending into the double-plate bearing seat. The upper suspension assembly includes connecting plates located on both sides of the double-plate bearing seat. A suspension pin passes through the connecting plates, the double-plate bearing seat, and the connecting portion. The connecting portion has an elongated hole adapted to the suspension pin; the elongated hole is an arc-shaped hole. The top surface of the double-plate bearing seat has an arc-shaped bearing surface concentric with the elongated hole. Press-fit plates extend from the upper end of the T-shaped single pressure plate to both sides, and the lower end face of the press-fit plate has an arc-shaped pressing surface adapted to the arc-shaped bearing surface.

The utility model relates to the technical field of stator contact pins, and discloses a stator contact pin structure of a cross-flow wind wheel motor, which comprises a shell, a packaging mechanism fixedly connected to the inner wall of the shell, a steel sheet arranged on the inner wall of the packaging mechanism, a winding wire slot arranged on the outer wall of the steel sheet, a first contact pin arranged on the left side of the top surface of the steel sheet, and a second contact pin arranged on the right side of the top surface of the steel sheet. The outer wall of the packaging mechanism is connected with a rotor magnetic ring in a matched mode through a magnetic suspension air gap, the outer wall of the rotor magnetic ring is fixedly connected with a shaft sleeve, the other side of the rotor magnetic ring is fixedly connected with a connecting part, the outer wall of the shell is fixedly connected with an installation piece, and a through hole is formed in the top face of the steel sheet. According to the utility model, the inner ring of the steel sheet is provided with the pin 1 and the pin 2, and the built-in pin 1 and the built-in pin 2 can effectively reduce the leakage problem of the positioning holes, the pin 1 and the pin 2, thereby improving the appearance integrity after the pin 1 and the pin 2 are plastically packaged, and facilitating the reduction of the overall thickness of the plastic package.

The utility model discloses a kind of road reconstruction broadening reinforcement structures, including road along connecting plate, multiple horizontal positioning bolts are horizontally arranged on the road along connecting plate, the top of the road along connecting plate is rotatably installed with broadening plate, multiple bufferings are provided between the broadening plate and road along connecting plate, the bottom of the broadening plate is provided with multiple support reinforcement mechanism, the buffering includes semicircular metal piece and two inclined struts, two inclined struts are fixedly installed at the both ends of semicircular metal piece, two inclined struts are fixedly installed with broadening plate and road along connecting plate respectively, semicircular metal piece has arc-shaped buffer support force.The device has multistage cooperative reinforcement effect, vertical support: support mechanism bears vertical load, oblique reinforcement: buffering provides lateral support force, transverse fixation: horizontal bolt anchors road along, forms three-dimensional stress network, disperses load to road along and foundation, reduces local failure risk.

This application relates to a positive and negative electrode contact plate for a battery module contact plate, comprising a positive electrode contact plate and a negative electrode contact plate arranged in parallel. One end of the negative electrode contact plate is bent upward to form a transition connection portion that connects to the positive electrode contact plate, and the other end of the negative electrode contact plate has an upwardly curved inspection portion. This utility model belongs to the field of battery technology. Its integrated structure reduces welding processes, allows for rapid matching of positioning protrusions with contact plate holes, reduces installation time by more than 30%, and improves assembly efficiency. The arc-shaped concave surface of the negative electrode contact plate fully conforms to the positive electrode post, reducing contact resistance by 15%-20%. The vertical plate design of the transition connection portion disperses stress, improves vibration resistance, and enhances connection reliability. The grooved inspection portion allows for direct judgment of the connection status between the negative electrode contact plate and the negative terminal plate by applying tension with tools, avoiding potential loose connections. The stamping process simplifies the production process, achieving a material utilization rate of over 95%.

The embodiment of the present application provides a kind of axle disc brake suspension seat, bogie and railway vehicle, wherein, axle disc brake suspension seat includes: longitudinal beam, including by the bending of a piece of steel plate and vertical beam plate, two vertical beam plates are respectively bent from the two side edges of upper beam plate to the same direction and form;The bottom end of vertical beam plate is used to be connected with the crossbeam of bogie;Transition plate is connected at the end of longitudinal beam;Transition plate is coplanar with vertical beam plate;Transition plate is used to be connected with the crossbeam of bogie;Suspension seat component is connected at the end of transition plate away from vertical beam plate;Suspension seat component is used to be connected with brake device.The axle disc brake suspension seat, bogie and railway vehicle provided by the embodiment of the present application can reduce welding procedure, to improve product quality, improve production efficiency.

The application discloses a kind of based on I2C bus's multi-board card address automatic configuration method and system, method includes: reserving N I2C address pins (1≤N≤3) on the same board card to be mounted, each pin is connected to the corresponding pin of board card connector by pull-up resistance, it is high level when hanging in the air;Design a M cable, M=2^N, cable contains a main terminal interface and M slave terminal interfaces;For each slave terminal interface, its corresponding N address pins are respectively configured as ground or hang in the air, and the level combination of any two slave terminal interfaces is different, ground corresponds to low level 0, and hanging in the air corresponds to high level 1;The mainboard is connected with M same board cards simultaneously by a M cable, and each board card obtains a unique I2C address according to the level combination of its slave terminal interface.The application does not need manual dialing code or welding resistance, and I2C address of multiple same board cards can be automatically distributed by cable preset wiring, single batch address configuration time is shortened, and it is suitable for batch shipment and large-scale production.

This utility model discloses a valve unit and a heating and ventilation device having the same. The valve unit includes a main pipe and at least one first valve connector. The first valve connector includes a first connecting pipe and a second connecting pipe. The first connecting pipe is located between the main pipe and the second connecting pipe. The second connecting pipe is connected to an external piping. The second connecting pipe is a bent pipe. The first and second connecting pipes are integrally formed flexible stainless steel pipes. According to the valve unit of this utility model embodiment, by making the first and second connecting pipes integrally formed flexible stainless steel components, the welding process between the first and second connecting pipes can be reduced. The connection strength and sealing performance between the first and second connecting pipes can also be improved. Furthermore, flexible stainless steel is less expensive than copper, thereby reducing the production cost of the valve unit.

The utility model discloses an overhead transmission line steel pipe pole structure with a top sealing plate with a line hanging function, which comprises a pole body, a plurality of cross arm structures are symmetrically arranged on the pole body, a ladder stand is arranged on the pole body, and an anti-climbing device is arranged at the bottom of the ladder stand. Compared with the prior art, the utility model has the advantages that the structure is simple, and the use is convenient; wire hanging is integrated, wire hanging holes are directly formed in the top sealing plate, the welding procedure is omitted, cost is reduced, and reliability is improved; the anti-load capacity is high, the variable cross-section rod body and the flange base are designed, and through experimental verification, 34.329 kN transverse wind load and 25.186 kN longitudinal wire tension can be borne; the cross arm and the pole body are in modular connection, and the crawling ladder is inserted and mounted, so that the field operation time is shortened; the safety is high, and the service life is prolonged due to dual protection of climbing thorn prevention and a hot-dip galvanizing process.

The utility model provides a simple non-road post-treatment air outlet structure. The simple non-road post-treatment air outlet structure comprises an integrated cylinder body, a flanged cylinder body, a flange and a connecting pipe, the integrated cylinder comprises a main cylinder, and one end of the main cylinder is integrally connected with an end cover; the middle of the end cover is integrally connected with an arc-shaped plate; round notches are formed in one end of the main cylinder and the top of the arc-shaped plate; one side, facing the main cylinder body, of the circular gap extends upwards from the main cylinder body to form a skirt edge; the top of the connecting pipe is a circular pipe section, and an arc-shaped pipe piece is connected to the lower portion of the circular pipe section. The connecting pipe is inserted into one end of the main cylinder and a circular notch in the top of the arc-shaped plate; the skirt edge is welded with the circular pipe section, and the upper edge of the arc-shaped plate is welded with one side, deviating from the skirt edge, of the connecting pipe; the arc-shaped pipe pieces abut against the inner walls of the arc-shaped plates. According to the utility model, the number of parts can be reduced, and manufacturability and assemblability are improved.

The utility model discloses a plate heat exchanger subassembly and air conditioning system, plate heat exchanger subassembly includes: plate heat exchanger and throttling component, and the first heat exchange flow channel and second heat exchange flow channel that mutually cut off and mutually exchange heat are formed in plate heat exchanger, and plate heat exchanger is equipped with first interface, second interface, third interface and fourth interface, throttling component is located in plate heat exchanger and includes first throttling ware and second throttling ware, and throttling component includes first inlet and outlet, second inlet and outlet, third inlet and outlet and fourth inlet and outlet, and first inlet and outlet are connected with second interface, and fourth inlet and outlet are connected with third interface. According to the plate heat exchanger subassembly of the utility model embodiment, by installing first throttling ware and second throttling ware on plate heat exchanger, can reduce the length of the connecting pipeline between first throttling ware and second throttling ware and plate heat exchanger, improve pipeline reliability.

The utility model relates to the technical field of lithium ion batteries, in particular to a battery cover plate and a single battery. The battery cover plate comprises a sealing piece, a pole, a cover plate body and a connecting piece, the pole is provided with a through hole penetrating through the pole, the sealing element is welded with the hole wall of the through hole, the pole comprises a first step part, a second step part and a third step part of which the cross sectional areas are sequentially reduced, and the tab can pass through the through hole of the pole and is welded with the sealing element; an annular conical surface for riveting the third step part is arranged on the hole wall of the connecting piece; the annular conical surface gradually inclines towards the inner side in the direction from one side, back to the first step part, of the connecting piece to the other side, and the annular conical surface enables the connecting piece to form an annular notch; part of the third step part can be bent into the annular notch under the action of external force. According to the battery cover plate and the single battery provided by the invention, the problems of relatively large product internal resistance, relatively poor reliability and stability of the overall structure and relatively low assembly precision of the existing blade battery cover plate are solved.

The utility model discloses a splicing type combined relay, which relates to the technical field of relays and comprises a base, an armature and a movable iron sheet are respectively arranged at two ends of the upper surface of the base, an iron core is fixedly arranged in the middle of one side, close to the movable iron sheet, of the armature, and a coil is sleeved on the outer side of the iron core. The base, the armature, the conductive copper plate and the conductive rod are arranged, the circuit board is directly fixed above the armature through the conductive rod, the conductive rod can be communicated with a circuit on the circuit board while supporting the circuit board, the conductive copper plate is in contact with the conductive rod through the contact part at the top end of the conductive copper plate, and circuit conduction is completed; the bottom end of the conductive copper plate is provided with the pins, and the pins can be connected with the circuit of the circuit board through the conductive copper plate and the conductive rod, compared with the prior art, the circuit connection between the pins and the circuit board can be completed without wires, the wire welding process is reduced when the relay is assembled, and the production efficiency is improved. Therefore, the production cost of the relay is effectively reduced.

The utility model provides a lifting lug assembly, a battery tray, a battery pack and electric equipment. The lifting lug assembly is connected with the tray body and comprises a first lifting lug and a second lifting lug, the second lifting lug and the first lifting lug are oppositely arranged in the first direction and connected, a cavity is defined by the second lifting lug and the first lifting lug, and the end, close to the tray body, of at least one of the second lifting lug and the first lifting lug inclines outwards so that the end can expand outwards. The lifting lug assembly is used for achieving the effect of reliability.

The invention discloses a TWIP effect metastable state austenitic steel welding method, a welding device is provided with a material conveying cavity, the material conveying cavity is sequentially connected with a first-stage material conveying cavity and a second-stage material conveying cavity from top to bottom, and a spiral material conveying assembly extends into the first-stage material conveying cavity from the top; the lower end of the second-stage material conveying cavity is connected with a stirring head; a channel communicated with the second-stage material conveying cavity is embedded in the stirring head; a heating assembly is installed outside the second-stage material conveying cavity. According to the method, austenite stable elements or reinforced particles are mixed into a welding seam, the austenite stable elements are accelerated to be quickly diffused into austenite by utilizing the thermal diffusion effect and the pipe dislocation diffusion effect, and a welding joint containing the austenite is obtained through quenching partition heat treatment; in addition, the severe plastic deformation can obviously refine grains, and the austenite grain size refinement can also improve the austenite stability; meanwhile, a welding area is fully heated, so that a large number of annealing twin crystals are formed in a welding seam; based on the method, high-quality welding of the metastable-state high-strength steel is achieved.