33results about How to "Reduce welding" patented technology

The utility model discloses a vehicle front end connecting module and vehicle with it, include: left front connecting beam and right front connecting beam, left front connecting beam and right front connecting beam are suitable for installing in the frame and along the width direction arrangement of frame, left front connecting beam front end and the front end of right front connecting beam are suitable for installing front anti -collision pole, left front connecting beam front end and right front connecting beam front end between suitable for accommodating cooling module, front crossbeam subassembly, one end of front crossbeam subassembly is connected in left front connecting beam's front end and is connected in the front end of right front connecting beam with another end, strengthen crossbeam, strengthen crossbeam is connected in left front connecting beam and the bottom of right front connecting beam, wherein, left front connecting beam and right front connecting beam and strengthen crossbeam are all castings, and the distance between left front connecting beam front end and right front connecting beam front end is 1050mm~1150mm. According to the vehicle front end connecting module of utility model embodiment, can accommodate greater cooling module, has the advantages such as high integrity, promotes structural strength, light weight.

The application belongs to the technical field of micro-nano optics, and discloses a magnetic control fiber OCT probe and a preparation method thereof, which comprises: a transparent catheter; a single-mode optical fiber arranged in the interior of the transparent catheter; and an optical imaging assembly integrally formed on the end face of the single-mode optical fiber by means of a femtosecond laser two-photon polymerization technology, wherein the optical imaging assembly comprises a stator, a rotor and a focusing lens arranged in sequence, one end of the stator away from the rotor is fixedly connected with the single-mode optical fiber, the rotor rotates relative to the stator, one side of the focusing lens is provided with a reflecting surface, the reflecting surface is provided with a magnetic structure, and the magnetic structure is used for driving the rotor to rotate in response to an external magnetic field. The application can significantly reduce the diameter of the probe, improve the lateral resolution, and realize non-contact far-field magnetic control scanning, thereby directly serving the early diagnosis of microvascular lesions, intraoperative minimally invasive imaging and biological basic research.

This invention discloses a positioning fixture and welding method for welding landscape bridges, mainly relating to the technical field of welding devices. It includes a first base plate and a second base plate, each with several L-shaped blocks. A first sliding rod is slidably connected to each L-shaped block, and several arc-shaped plates are provided at the ends of the first sliding rods. A first spring is provided between the arc-shaped plates and the L-shaped blocks. It also includes fixing plates symmetrically arranged at both ends of the first base plate and used in conjunction with the second base plate. A first sliding plate and a second sliding plate are slidably connected to the first and second base plates, respectively. The first and second sliding plates are slidably connected, and a first welding torch is mounted on the first sliding plate. Furthermore, it includes a third sliding plate detachably connected to the first sliding plate, and a second welding torch is mounted on the third sliding plate. The beneficial effects of this invention are: solving the problem of low on-site construction efficiency in existing landscape bridge welding, improving the efficiency and quality of landscape bridge welding, and reducing the labor intensity of workers.

The invention relates to the technical field of lithium batteries, and discloses a fully-sealed lithium battery structure which comprises a cover plate, a battery cell and a shell, the battery cell is arranged in the shell, the cover plate is connected to the upper end of the shell, an insulating spacer is arranged between the lower end of the battery cell and the shell, a cylindrical hole is formed in the center of the battery cell, a first tab is connected to the inner wall of the battery cell, and a second tab is connected to the outer wall of the battery cell. The bottom of the shell is provided with an anti-explosion nick, the lower end of the shell is connected with a PTC short-circuit protection device, the lower end of the PTC short-circuit protection device is connected with a false cover, the edge of the cover plate and the upper end of the shell are provided with Z-shaped openings, the two Z-shaped openings are matched with each other, and the joint of the cover plate and the shell is sealed through laser welding. By adopting a cooperative structure of the cylindrical hole in the center of the battery cell, the insulating spacer with the annular bulge and the explosion-proof nick at the bottom of the shell, a smooth gas leakage channel is formed, high-pressure gas is ensured to be discharged in time, and the potential safety hazard that the gas leakage channel of the traditional lithium battery is easy to block and easily causes explosion is solved.

The utility model relates to communication oscillator device technical field especially, it is a kind of quincunx die-casting radiation oscillator with polycarbonate encapsulation feeder, it includes oscillator body, two feeders and anti-loosening part. The feeder includes the metal body and fixed seat of special shape, the metal body is matched with the radiation impedance characteristic of oscillator body by the shape structure of special shape. The metal body is integrally formed with multiple fixed seats. One end of anti-loosening part is buckled with the end of feeder installed on oscillator body, and simultaneously buckled with the side of two feeders protruding from oscillator body. Anti-loosening part fixes two feeders on oscillator body, can prevent feeder and oscillator body from loosening and falling when installing oscillator on reflecting plate, and the structure connection is more stable. Anti-loosening part is buckled with oscillator body, can improve the efficiency and precision of assembly. Feeder is integrally formed by metal body and fixed seat encapsulation, saves time and labor cost.

This utility model discloses a novel stamped and welded rear subframe, relating to the technical field of automotive chassis structural components. It includes a front tube beam, a rear control arm sleeve, and a suspension sleeve. The front tube beam is welded to the left longitudinal beam, right longitudinal beam, front plate of the rear crossbeam, and rear plate of the rear crossbeam to form a frame structure. At the corners of the frame, left front beam reinforcement plates, right front beam reinforcement plates, left rear beam front reinforcement plates, right rear beam front reinforcement plates, left rear beam rear reinforcement plates, and right rear beam rear reinforcement plates are added. Side reinforcement plates are provided on the outer side of the rear control arm sleeve. These side reinforcement plates adopt a triangular structure and are welded to the front plate of the rear crossbeam, the rear plate of the rear crossbeam, and the right longitudinal beam. The side reinforcement plates extend and are welded onto the right longitudinal beam. The suspension sleeve adopts a flanged structure. This novel stamped and welded rear subframe, employing a novel stamped and welded structure, optimizes the problem of local stress concentration in the mounting brackets when the subframe is subjected to alternating loads, avoiding subframe cracking and failure.

This invention provides a small stepper motor mechanism with an integrated connector, comprising the following structure: a quick-connect connector, the rear of which is provided with a control board, the rear of which is detachably snapped into the front of a motor protective housing, and the rear of which is fixedly connected to the motor housing of the motor body; a control board, which is formed by a PCB board, a pin header array, and female headers, and is installed between the quick-connect connector and the motor protective housing; and a motor protective housing, which has a snap-fit ​​structure with a sealing function between it and the quick-connect connector. This integrates a PCBA control board with LIN bus control function, a quick-connect connector, a protective motor housing, and the motor body into a standard module, eliminating the need for traditional external LIN control harnesses and reducing material costs and soldering and wiring processes.

The utility model discloses an anti-deformation refrigerator hinge bearing structure which comprises a hinge base, a hinge core, a positioning structure and an assembly fixing structure. A profiling reinforcing rib is arranged in the head area of the hinge base, so that the bearing strength of the hinge shaft part is enhanced; and the door body moving area is provided with a bent clearance part, so that friction interference with the refrigerator door body is avoided. The hinge core penetrates through the mandrel of the hinge seat and is fixedly connected with the hinge seat; and a pin shaft is arranged at the end part of the hinge core and is used for riveting and fixing the hinge core and the hinge seat. A positioning structure adopts a square positioning hole, so that the assembly precision is improved; the assembly fixing structure is provided with the hinge cover through cooperation of the stamping notch and the buckling piece. Through the profiling reinforcing ribs which are integrally punched and formed and the optimized structural design, the deformation resistance and the bearing strength of the hinge are remarkably improved, meanwhile, the friction loss is reduced, the assembly process is simplified, the production efficiency is improved, and the hinge is suitable for connecting multiple groups of refrigerator door bodies.

The invention relates to the technical field of welding equipment, and provides road anti-collision fence auxiliary welding equipment which comprises a frame body, a workbench is fixedly connected to the top of the frame body, air cylinders are fixedly connected to the two ends of the bottom of the workbench, movable seats are fixedly connected to the output ends of the two air cylinders, and the two movable seats are slidably connected to the two ends of the workbench correspondingly; telescopic shafts penetrating through the movable seats are rotationally connected to the top ends of the two movable seats, positioning mechanisms are arranged at one ends of the two telescopic shafts, a welding device used for butt welding of the handrails is arranged at one end of the top of the workbench, a driving mechanism is arranged at the other end of the top of the workbench, and a cooling mechanism is arranged in the middle of the workbench. The positioning mechanism adopts the design of a pressing rod, a clamping plate and a pressure spring to quickly clamp the handrail, so that the operation error caused by manual alignment is thoroughly avoided, and the welding position precision of the stand column flange bottom plate and the anti-blocking block is ensured.

This utility model belongs to the technical field of belt conveyors, specifically disclosing a universal intermediate frame for belt conveyors. It includes two symmetrical U-shaped steel frames. Each U-shaped steel frame has two symmetrical mounting plate connection holes arranged from top to bottom at both ends of its sidewalls. The sidewalls also have several support leg mounting holes arranged from top to bottom and several inclined support connection holes arranged from two sides. The upper sidewall of the U-shaped steel frame has several horizontally arranged upper idler frame mounting holes, and the lower sidewall has several horizontally arranged lower idler frame mounting holes. Compared to existing technologies, this universal intermediate frame eliminates the need to distinguish between left and right intermediate frames, allowing for completely interchangeable installation.

This utility model provides a top cover assembly, a battery, a battery pack, and an electrical device. The top cover assembly includes a top cover with an inner surface and an outer surface arranged opposite to each other. The top cover also has a connection hole extending from the inner surface to the outer surface, allowing the electrode tabs of the battery cell to pass through the connection hole from one side of the inner surface of the top cover and connect to an external device. In an embodiment of this utility model, the top cover of the top cover assembly has a connection hole, allowing the electrode tabs to pass through the connection hole and connect to the external device themselves. This eliminates the need for connectors and terminals, reduces the welding process of connectors, electrode tabs, and terminals in the top cover assembly, thereby reducing resistance during current transmission and improving the battery's current output capability.

This invention provides a welding processing device and method for inner and outer meshes of a filter, including a processing table, a lifting mechanism, a moving mechanism, a roller electrode, a shaft electrode, and a clamping mechanism. It simplifies the complex spatial helical motion into a single axial movement of the roller electrode within the joint channel. It eliminates the need for expensive and complex high-precision multi-axis CNC systems; only a common motor is needed to drive the roller electrode to move linearly along the joint channel, completing the oblique seam welding of the filter's metal mesh. The workpiece can be rotated purely mechanically, resulting in low cost and high welding efficiency. Furthermore, a micro-forging process is used to pre-form a solid metal strip with a width of approximately 1-2 mm and no through holes. This solid strip provides a continuous and uniform contact surface for the subsequent roller electrode, thereby providing constant resistance and an ideal current path. This allows for controllable and predictable generation of welding heat, significantly reducing the occurrence of incomplete welds and overheating caused by mesh holes.

The utility model belongs to battery detection technical field discloses a kind of battery tab welding mark nondestructive testing equipment, the battery tab welding mark nondestructive testing equipment includes object table, ultrasonic transmitter and ultrasonic receiver, the object table is used to place battery tab to be measured;The ultrasonic transmitter is movably arranged above the object table, the ultrasonic transmitter has the first position close to the object table and the second position away from the object table, in the first position, the ultrasonic transmitter is used to emit pulse wave to the battery tab on the object table;The ultrasonic receiver is used to receive the pulse wave that the ultrasonic transmitter emits to the battery tab.This detection equipment can realize the nondestructive testing of battery tab welding mark, and detection accuracy is high, reduce the circulation of battery false welding, welding leakage and other welding defective battery, improve the safety performance of battery.

The utility model belongs to the field of the breeding shed, specifically is a kind of fabricated breeding shed, including prestressed high-strength concrete pipe pile, the top of prestressed high-strength concrete pipe pile is fixedly connected with hot-dip galvanizing several Chinese character type truss top chord, the top of hot-dip galvanizing several Chinese character type truss top chord is provided with hot-dip galvanizing several Chinese character type truss bottom chord;The utility model is directly used professional pile driver hole drilling pile in construction site, and prestressed high-strength concrete pipe pile is placed in hole and is fixed, saves the period of cast-in-place wet operation needed to do independent foundation, and construction is more rapid, prestressed high-strength concrete pipe pile, hot-dip galvanizing several Chinese character type truss top chord, hot-dip galvanizing several Chinese character type truss bottom chord and hot-dip galvanizing square hollow truss web between are all used full bolted joint, and simple processing and manufacturing are needed only on-site assembly connection, and construction cycle is shorter, and construction is more simple, saves labour, reduces welding and other fire operation.

This application provides a photovoltaic module, belonging to the field of photovoltaic technology. The photovoltaic module includes multiple solar cells; multiple electrical connection lines extending along a first direction and connecting adjacent solar cells; and multiple adhesive portions located on at least one surface of each solar cell, bonding the electrical connection lines and the solar cells, with the adhesive portions partially covering the electrical connection lines and having a contact area with the surface of the solar cells. Each adhesive portion includes a first portion covering the surface of the electrical connection lines, the projection of the first portion onto the surface of the solar cells being within the projection of the electrical connection lines onto the surface of the solar cells; the length of the top of the first portion along the first direction is less than the length of the contact area along the first direction. This application, based on the coverage of the electrical connection lines by the adhesive portions, provides a better fixing effect while also ensuring good light utilization.

This application relates to a device that can avoid incomplete welds during laser welding of adapter pieces, and pertains to the field of adapter piece manufacturing technology. It includes a worktable with two fixtures for receiving a top cover placed on its surface. A laser is positioned above the fixtures, and a laser displacement sensor for detecting the distance to the top cover is located on one side of the laser. An adjustment groove is formed on the worktable surface, located below the two fixtures, and an adjustment component for adjusting the top cover is installed within the groove. This application effectively addresses the problem of incomplete welds easily occurring during laser welding of adapter pieces, which affects product quality.

This invention discloses an automatic welding device for steel pipes, comprising a disc and a collar arranged axially; multiple flaps are rotatably arranged in a circumferential array on the disc, and the flaps flip to fit against the inner wall of steel pipe a; multiple support rods are rotatably arranged in a circumferential array on the collar, and the support rods flip so that their other ends abut against the inner wall of steel pipe b; it also includes a telescopic unit for driving the collar to move radially relative to the disc, so that the ends of steel pipe b and steel pipe a fit together; and a welding mechanism including a welding torch for welding the gap after fitting. The automatic welding device for steel pipes provided by this invention uses multiple flaps to flip and fit against the inner wall of steel pipe a to fix the disc and steel pipe a relative to each other, and multiple support rods to flip to fix the collar and steel pipe b relative to each other, thereby utilizing the telescopic unit to drive the collar to move radially relative to the disc to quickly align the ends of steel pipe b and steel pipe a on adjacent sides.

The application discloses a kind of based on step space placeholder shaping composite gradient material preparation process, the whole process space placeholder constraint of ceramic material is as core, first through digital modeling completes the space placeholder partition of gradient component and boundary locking, then through finite element simulation analysis the thermal isostatic pressing deformation law under placeholder constraint, subsequently adopt two-step coaxial powder feeding additive manufacturing process, first through ceramic powder completes full-area space placeholder and high-melting-point metal skeleton preforming, then remove the ceramic powder filling low-melting-point metal of target area, finally complete thermal isostatic pressing densification under the whole process constraint of ceramic space placeholder;The application solves the industry pain points of different powder cross mixing, gradient interface blur and high-temperature rheological deformation in traditional process from the root through step space placeholder technology, without customization package, greatly improve the forming precision and batch consistency of gradient structure.

The utility model relates to the field of generator temperature measurement, specifically disclose a kind of water turbine generator bearing oil basin temperature measuring resistance quick junction box, including the wireway body that temperature lead passes out, the side of wireway body is away from guide bearing oil basin and is open, still include connecting plate, connecting plate detachably installed at the side of wireway body open, the edge of connecting plate covers the open place of wireway body;Several quick connectors, quick connector is installed on connecting plate and is penetrated;Several first plug-in connectors that can be inserted with quick connector and cooperate;Several temperature measuring cables;Several second plug-in connectors that can be inserted with quick connector and cooperate.The scheme can be corresponding to the maintenance of first plug-in connector, second plug-in connector and quick connector and the connection of temperature lead and temperature measuring cable when carrying out temperature measuring cable and temperature lead maintenance, the distribution connection of temperature lead and temperature measuring cable is clear, more convenient for maintenance.

The application discloses a welding auxiliary device, a welding system and a welding method. The welding auxiliary device comprises a mounting frame, a pole positioning piece arranged on the mounting frame, and a bearing mechanism arranged on the mounting frame. The bearing mechanism comprises a carrier arranged opposite to the pole positioning piece. The carrier is provided with a bearing surface arranged opposite to the pole positioning piece. The inside of the carrier is provided with a gas passage. The gas outlet of the gas passage penetrates through the bearing surface. The welding auxiliary device is provided with a gas filling mechanism for filling gas into the gas passage. The bearing surface is used for placing a battery semi-finished product, so that the center hole of the battery cell of the battery semi-finished product is opposite to the gas outlet of the gas passage. The pole positioning piece can be pressed on the pole of the battery semi-finished product. After the welding operation of the current collecting disc and the pole is completed, the welding auxiliary device can reduce the risk of false welding or poor welding, and improve the welding quality.

This application discloses a slush machine, comprising: a shell; an inner wall, the inner wall being coaxially arranged with the shell and having an interference fit with the shell, the inner wall being integrally bent to form a reciprocating bending first refrigerant channel between the inner wall and the shell, the first refrigerant channel being laid along a first direction between the inner wall and the shell; an end cap being disposed at the end of the inner wall along the first direction, and a second refrigerant channel being formed between the end cap, the shell, and the inner wall along a second direction, the first refrigerant channel and the second refrigerant channel being interconnected. The interference fit between the inner wall and the shell ensures a tight connection, reducing the risk of refrigerant leakage; the integral bending of the inner wall reduces welding or assembly interfaces, improving overall strength; the first refrigerant channel being laid along the first direction and the second refrigerant channel being distributed along the second direction, the two being interconnected to form a three-dimensional channel network, enabling the refrigerant to cover multiple dimensions of the slush machine, avoiding heat exchange dead zones, ensuring uniform temperature drop of the inner wall, and thus making the cooling of the materials inside the slush machine more uniform.

The application relates to the heat exchanger production and processing technical field, in particular to a clamping device for a heat exchanger, which comprises a clamping component and a clamping part, the clamping component comprises a first clamping piece and a second clamping piece, the first clamping piece is located on the outside of the heat exchanger in a first direction, the second clamping piece is located on the outside of the heat exchanger in the first direction, at least part of the clamping part is elastic, at least part of the clamping part is fixed on the first clamping piece and the second clamping piece, so as to press the heat exchanger between the first clamping piece and the second clamping piece, the interval between at least one set of adjacent clamping parts located in an end area is smaller than the interval between a set of adjacent clamping parts located in a middle area. The application provides a clamping device for a heat exchanger, which can reduce the welding defect problem at the heat exchange pipe and fin connecting position, and improve the reliability of the heat exchanger welding.

The offshore photovoltaic structure combined with the jacket comprises a jacket foundation, the jacket foundation is of a space truss structure composed of a plurality of pile bodies, side face cross connecting rods and transverse connecting rods, and the side face cross connecting rods are fixedly connected between every two pile bodies adjacent in the circumferential direction. Transverse connecting rods are fixedly connected to the two ends of the side cross connecting rods, a plurality of supporting rods are fixedly connected to the pile body, a supporting frame is fixedly connected to the tops of the supporting rods, a plurality of purlines are fixed to the supporting frame, the purlines are used for bearing photovoltaic modules, the main structure can be prefabricated ashore, less welding on the sea is achieved, and the offshore operation time is shortened; the jacket foundation is adopted to replace a traditional pile foundation, and the problem that a support and assemblies are cracked due to differential settlement of piles is solved.

The application relates to the technical field of lithium batteries and discloses a fully-sealed lithium battery structure, which comprises a cover plate, a battery cell and a shell, the battery cell is arranged in the shell, the cover plate is connected to the upper end of the shell, an insulating gasket is arranged between the lower end of the battery cell and the shell, a cylindrical hole is arranged in the center of the battery cell, a first lug is connected to the inner wall of the battery cell, a second lug is connected to the outer wall of the battery cell, an anti-explosion notch is arranged in the bottom of the shell, a PTC short-circuit protection device is connected to the lower end of the shell, a false cover is connected to the lower end of the PTC short-circuit protection device, Z-shaped openings are arranged in the edge of the cover plate and the upper end of the shell, the two Z-shaped openings are matched with each other, and the connection part of the cover plate and the shell is sealed through laser welding. The application adopts the cooperative structure of the cylindrical hole in the center of the battery cell, the annular protruding insulating gasket and the anti-explosion notch in the bottom of the shell, forms a smooth air release channel, guarantees that high-pressure gas is discharged in time, and solves the safety hazards that the air release channel of a traditional lithium battery is prone to blockage and explosion.

The utility model discloses a kind of split flowmeter, including impeller module and sensor module, impeller module includes first encapsulation, second encapsulation, impeller and wheel shaft, multiple blades are shaped on the surface of impeller, magnet module is embedded in the inside of impeller, impeller, magnet module is tightly fitted on wheel shaft, one end of wheel shaft is rotatably connected with first encapsulation, the other end is rotatably connected with second encapsulation, first encapsulation is connected with second encapsulation to form modular structure, sensor module includes module shell and hall sensor, hall sensor is encapsulated inside module shell, to form modular structure, sensor module and impeller module adopt split modular design, split design makes sensor module, impeller module can be independently packaged, avoid the space waste caused by irregular shape of traditional integral structure, improve the space utilization when transporting, and can adapt to different specifications shape flowmeter shell, to improve the flexibility and customizability of flowmeter.

The utility model provides a battery pack structure capable of quickly replacing a battery cell and a mobile power supply. The battery pack structure capable of quickly replacing the battery cell comprises an upper cover shell, a shell base, a connecting base and a battery cell assembly, the battery cell assembly is composed of a single battery cell assembly, a polarity connecting terminal assembly, a conductive piece and a circuit board, the single battery cell assembly abuts against the polarity connecting terminal assembly, and the polarity connecting terminal assembly is welded to the circuit board. The polarity connecting terminal assembly comprises a first fixing piece and a second fixing piece which are oppositely arranged, and the two ends of the single cell core assembly abut against the two fixing pieces respectively. According to the battery pack structure, the connection mode that the polar connection terminal assembly abuts against the single battery core assembly and the polar connection terminal assembly is welded to the circuit board is adopted, traditional welding of the battery core and a wire is replaced, the risks of insufficient soldering and unsoldering are reduced, rapid plug-in type disassembly and assembly of the single battery core assembly are achieved, and the assembly efficiency is improved. The convenience and efficiency of battery cell replacement are improved, and the maintenance cost is reduced.

This invention provides an integral forming apparatus and method for a corrugated, irregularly shaped thin-walled structure. The integral forming apparatus includes a spoke plate, a core mold, multiple petal molds, and an actuating ring. The core mold has multiple corrugated forming grooves along its circumference. The multiple petal molds are rotatably connected to the spoke plate and are spaced apart along the circumference of the spoke plate. Each petal mold has a boss that matches the shape of the forming groove. The actuating ring is sleeved on the outer periphery of the multiple petal molds and can move axially along the core mold, driving the multiple petal molds to converge towards the forming grooves, thereby forming the blank located between the petal molds and the forming grooves into a corrugated, irregularly shaped thin-walled structure. This invention features a simple process, good integrity, high forming accuracy, suitability for most commonly used thermoforming equipment, fast forming speed, fewer steps, and can greatly improve production efficiency.

The utility model provides a coating device for a carbon-coated aluminum foil. The coating device comprises a frame body, a trough rack, a drop roller, a plate roller, a rubber compression roller, a scraper rack and a striker plate, the printing roller comprises a first roller body and first roller shafts extending outwards from the two ends of the first roller body in the axial direction of the first roller body. The second roller body is arranged opposite to the first roller body, the second roller shafts extend outwards from the two ends of the second roller body in the axial direction of the second roller body, and the receding grooves are formed by sinking the circumferential sides of the two opposite ends of the first roller body in the radial direction of the first roller body. The side, close to the printing roller, of each material blocking plate and the printing roller are arranged in a spaced mode, and the spacing distance is 1-3 mm. When the coating device for the carbon-coated aluminum foil runs, slurry cannot permeate into a blank area on the edge of the aluminum foil, the slurry can be prevented from being thrown out of the containing groove and splashed back to the aluminum foil, the coated aluminum foil can meet requirements, consequences of insufficient soldering and unsoldering of subsequent welding of the carbon-coated aluminum foil and a tab are reduced, and meanwhile, the coating device body is kept clean.