181results about How to "Shorten welding time" patented technology

The invention discloses a hot melting type rapid welding device for MPP electric power pipe production, belongs to the field of pipe fitting welding, and aims at improving a conventional welding device, by arranging a clamping mechanism for clamping in the up-down direction and a welding assembly initially of a non-closed annular structure, two pipe fittings can be in transverse coaxial butt joint conveniently, and during welding, the welding efficiency is greatly improved. One set of annular frame and welding gun matching structures are rotationally pushed to the opening, the pair of welding guns are arranged close to each other, then the pair of welding guns are driven to move reversely, rapid circumferential welding of the two pipe fittings is achieved, the welding time is shortened, after welding is completed, the two sets of welding guns are reset to expose the external opening space, the welded pipe fittings are conveniently and transversely taken out, and the welding efficiency is improved. The pipe fitting penetrating-in and penetrating-out operation is simplified, the annular welding rod is additionally arranged at the butt joint position of the two pipe fittings, coaxial accurate butt joint of the two pipe fittings with different diameters is facilitated, the melting amount of the ends of the two pipe fittings can be kept consistent, the welding quality is improved, and irregular welding layers are prevented from being formed.

The invention relates to the field of welding facilities, in particular to a bearing seat welding device which comprises a table top, a centering column is fixedly mounted in the middle of the upper end of the table top, a supporting ring is coaxially and fixedly mounted on the outer surface of the centering column, and push tables are arranged on the two sides of the centering column and elastically connected with the table top. A positioning column is fixedly installed in the middle of the upper end of the pushing table, positioning lugs are obliquely installed on the front edge and the rear edge of the upper end of the pushing table, the two positioning lugs are symmetrical with the axis of the positioning column as the symmetric center, a welding part is installed on the rear portion of the upper end of the table top, and the axis of the centering column and the axis of the positioning column are located on the same plane. The welding convenience is improved, the bearing seat can make close contact with the mounting lugs, follow-up welding forming is effectively facilitated, and meanwhile the welding efficiency is improved.

The invention discloses a welding robot system based on visual guidance, which comprises an artificial potential field welding robot path planning algorithm, the artificial potential field welding robot path planning algorithm is combined with an ant colony algorithm, and the artificial potential field welding robot path planning algorithm and the ant colony algorithm comprise artificial potential field function simulation, ant colony algorithm simulation and path search, pruning strategy and path optimization mechanism. And the step operation system (GBOS) comprises three-dimensional model importing and welding seam positioning. According to the method, the welding path planning technology of the ant colony algorithm of the artificial potential field function is fused, the welding robot is guided to avoid obstacles by simulating attraction force and repulsive force, the optimal path can be accurately recognized, the coverage rate of the searched path to the environment can reach 74.63%, a good convergence curve can be obtained, and after the pruning strategy is introduced, the optimal path can be obtained. According to the method, the path can be optimized, redundant broken lines or path sections are removed, and optimization of the path length and complexity is achieved, so that the welding time and cost are reduced, and the welding efficiency is improved.

The invention discloses a welding method for a tower drum and a foundation ring of a wind generating set. Comprising the following steps: a welding preparation stage: carefully selecting and treating materials, strictly debugging equipment and carefully preparing weldments; in the welding implementation stage, an argon-rich mixed gas shielded welding method is determined, welding process parameters are optimized, and the welding processes of a single-section longitudinal seam and a flange, two small-section assembly, large-section assembly length, an inner circular seam and an outer circular seam are accurately controlled; in the welding quality control stage, welding parameters are monitored and adjusted in real time, and appearance inspection after welding, RT ray inspection, mechanical property testing and metallographic testing are strictly conducted; and the production practice and optimization stage is applied to actual production, problems are tracked and solved, and the process is continuously optimized to improve the quality. The method effectively improves the welding quality and the production efficiency, enhances the structural stability, reduces the cost and promotes the development of the wind power industry.

The invention discloses a short-long wave laser hybrid welding method for aluminum alloy, and belongs to the field of laser welding. The method comprises the following steps: firstly, treating the surface of the aluminum alloy by adopting short-wavelength laser as a pretreatment laser source to enable the surface of the aluminum alloy to be in a molten state; according to the method, aluminum is pre-melted, then long-wavelength laser is adopted for welding, due to the fact that the reflectivity of the aluminum to the infrared laser in the liquid state is remarkably reduced, the pre-melting step creates conditions for follow-up long-wavelength infrared laser welding, the absorption rate of the infrared laser is remarkably improved, and loss of laser energy is reduced; according to the process, the utilization rate of welding energy is optimized and the welding quality is improved by utilizing different heating effects of lasers with different wavelengths on the surface of the aluminum alloy.

The present invention discloses a stator welding device with multiple wire harnesses working simultaneously, and relates to the field of motor stator production equipment. Existing stator welding equipment is a single-gun single-weld mode, which cannot weld all welding positions of a workpiece at the same time, and has low welding efficiency and slow speed. The present invention includes an equipment frame, a stator turntable mechanism, a multi-wire harness welding mechanism that can weld each welding point at the same time, and a stator clamping mechanism for clamping and fixing the stator. The multi-wire harness welding mechanism realizes vertical movement welding through a vertical slide rail and a sliding drive device. A support frame is provided on the equipment frame, and the stator clamping mechanism is connected and fixed to the top of the support frame. During welding, the stator is placed on the stator turntable mechanism and rotated to the welding position. The stator clamping mechanism clamps the stator, and the multi-wire harness welding mechanism moves at a uniform speed from top to bottom to weld the stator, which can simultaneously realize accurate welding of each welding position of the outer wall of the stator, greatly improving the welding speed and welding quality.

The invention relates to the technical field of sheet metal machining, and discloses a welding device for sheet metal machining. The welding device comprises a base, a rectangular strip is fixedly connected to the inner wall of the base, a workbench is slidably connected to the rectangular strip, a U-shaped support is fixedly connected to the top of the base, and a motor adjusts the height of the L-shaped support through a threaded rod; an L-shaped support drives the welding machine to move through an O-shaped plate, an electric telescopic rod is started, the electric telescopic rod pushes the O-shaped plate to move towards the right side to drive a large rack, the large rack drives a first rotating shaft to rotate clockwise through a large gear, the left side of the belt is shortened, and the right side of the belt is lengthened; the belt drives the rectangular sliding strip and the workbench to move towards the left side through the arc-shaped fixing block, so that the workbench and the welding machine move in opposite directions, the workbench moves towards the right side, the moving distance of a metal plate is reduced, the welding time is shortened, position deviation of the metal plate in the moving process is prevented, and the welding efficiency is improved.

The invention relates to the technical field of welding tools, in particular to a wind power jacket inclined annular plate automatic welding device which comprises a supporting frame arranged on one side of a guide pipe, a welding tool is arranged on the supporting frame and comprises a bottom plate, a sliding plate, a supporting wheel unit and an automatic telescopic unit, and a submerged arc automatic welding machine is arranged on the sliding plate. The supporting wheel unit comprises a supporting wheel body and a supporting wheel side plate, the other end of the supporting wheel side plate is connected with the sliding plate, supporting wheel shaft rings for limiting and preventing the supporting wheel body from swinging are fixedly arranged on the two sides of the supporting wheel body, and a bolt penetrates through the supporting wheel body, the supporting wheel shaft rings and the supporting wheel side plate. The automatic telescopic unit comprises an auxiliary rod connected with the sliding plate, the auxiliary rod is connected with a pull rod, limiting plates are arranged on the two sides of the end of the bottom plate, and the limiting plates are connected with the pull rod through springs. According to the welding device, the annular plate is welded to the guide pipe at a time, the welding time is shortened, the welding quality is improved, and the welding efficiency is improved.

The embodiment of the present application provides a chemical equipment ventilation duct welding device, which relates to the field of ventilation duct processing technology. The chemical equipment ventilation duct welding device includes: an assembly mechanism, a driving clamping mechanism, the driving clamping mechanism is arranged in the middle of the bottom surface of the assembly mechanism, the driving clamping mechanism enables the welds of multiple pipes to be quickly aligned, and a weld distance adjustment mechanism, the weld distance adjustment mechanism is arranged in the middle of the assembly mechanism and the driving clamping mechanism. The ventilation duct before welding and the completed ventilation duct will not be affected by the clamping arc plate during the loading and unloading process, and the ventilation duct can be unloaded horizontally without the need for other lifting equipment. At the same time, the functions of rapid alignment of the welding surface of the ventilation pipe and automatic adjustment of the welding gun position are realized, which greatly simplifies the pipeline welding steps and realizes the simultaneous welding of multiple pipelines, ensuring the quality of pipeline welding.

The invention belongs to the field of molding and connection of plastics, and provides a fiber reinforced composite material ultrasonic welding method and a variable flexibility energy conducting rib, which comprises the following steps of: adopting a thermoplastic hollow grid as the variable flexibility energy conducting rib for ultrasonic welding; the density of openings of the thermoplastic hollow grids is changed in a gradient manner from a central area to an edge area; the flexibility-variable energy-conducting rib is fixed above a to-be-welded area of the to-be-welded thermoplastic composite lower workpiece and abuts against the welding face of the to-be-welded thermoplastic composite upper workpiece; and carrying out ultrasonic welding on the thermoplastic composite material to be welded. Uniformity of heat production, melt flow and temperature distribution of a welding interface in the ultrasonic welding process is achieved, and the forming efficiency, quality and connection strength of a welding head are remarkably improved. The problems that in the thermoplastic composite material ultrasonic welding process, heat is generated on the welding face, and temperature distribution is uneven, so that a welding head is locally overheated and decomposed or is not welded are solved.

The invention belongs to the technical field of lamp welding, and discloses a welding device for lamp machining and a welding method.The welding device comprises a rack, a mounting frame is fixedly mounted at the top end of the rack, a motor is fixedly mounted in the mounting frame, and a base is fixedly mounted at the position, close to the bottom end, of the inner side face of the rack; limiting guide rails are fixedly installed at the top end of the base at equal angles, a lower movable plate is arranged in the middle of the bottom end of the base, an air cylinder is fixedly installed in the middle of the bottom end of the base, and the output end of the air cylinder is connected with the middle of the top end of the lower movable plate. Through the clamping process and cooperation of the linkage assembly and the welding assembly, after the lamp is clamped and fixed through the device, the positioning process of the welding position can be synchronously completed, the whole process is automatically completed, at least two positioning processes needed by a traditional device are not needed, the welding time is effectively shortened, the operation steps are simplified, and the overall welding efficiency is improved.

The invention relates to the technical field of offshore wind power generation pipe pile manufacturing, in particular to a welding method of an offshore wind power large and thick steel plate barrel, which comprises the steps of beveling, barrel rolling, preheating, positioned welding, backing welding, inner groove welding, carbon arc air gouging back gouging and outer groove welding. Flame cutting is matched with mechanical milling to manufacture a semi-narrow gap groove, the sectional area of the groove is improved, the semi-narrow gap submerged arc automatic welding process is achieved, and the welding efficiency is improved. Due to the V + U-shaped design of the inner groove, the good fusion ratio of the root is guaranteed, and the defects of incomplete penetration and hot cracks of the root are reduced; and the back gouging depth of an outer side welding seam is reduced, the labor intensity of an operator is reduced, the mechanization degree is improved, carbonization of a base metal groove is reduced, and the internal welding quality is improved. The V + U-shaped groove form is easy to weld, the groove is regular, and the appearance is attractive; compared with a traditional V-shaped groove, the angle of the V + U-shaped groove is smaller, the filling amount of welding materials is reduced, and the production cost is saved.

The invention belongs to the technical field of welding tools, particularly relates to a vanadium redox flow battery bipolar plate hot melt adhesive welding tool, and aims to solve the problems of low welding efficiency, non-uniform welding quality and high labor cost in the prior art, and provides the following scheme that the vanadium redox flow battery bipolar plate hot melt adhesive welding tool comprises a base and a pressing plate, a plurality of positioning pins are fixedly installed on the base, handles are arranged on the two sides of the base, a plurality of positioning holes are formed in the pressing plate, the positioning pins are matched with the positioning holes, the pressing plate moves towards the base along the positioning pins by means of the gravity of the pressing plate, and a workpiece is pressed in the moving process of the pressing plate. A plurality of positioning pins are symmetrically distributed along the center of the base, a second hot melt adhesive layer and a first hot melt adhesive layer are arranged below the pressing plate, a bipolar plate is arranged on the base, a gasket is arranged on the bipolar plate, the welding efficiency can be improved, the welding quality is unified, and the labor cost can be reduced.

The present invention discloses a welding tool for a thorn roller, comprising an elongated welding base, wherein the two ends of the elongated welding base are respectively provided with fixed end plates with U-shaped opening roller grooves for supporting the thorn roller; each of the fixed end plates has a pair of symmetrical triangular protrusions at the top of the U-shaped opening roller groove for movably placing an L-shaped left size mold and an L-shaped right size mold; the inner sides of the L-shaped left size mold and the L-shaped right size mold relative to each other are respectively fixedly provided with a plurality of left supporting blocks and a plurality of right supporting blocks; each of the left supporting blocks and the right supporting blocks is provided with a left limiting groove and a right limiting groove facing the thorn roller for inserting and positioning the thorns, so as to facilitate the limiting of the position when the thorns are welded to the thorn roller. The welding tool for the thorn roller of the present invention reduces the preparation time for welding work and improves the accuracy and quality of welding.

The utility model provides an automatic welding device for a conical head under CO2 gas protection. The automatic welding device comprises the conical head, a welding bead, a fixing system, a moving system and a control system, wherein the fixing system is fixed on the conical sealing head and is used for fixing the control system and the moving system; the moving system is arranged on the fixing system in a sliding mode and used for driving the welding gun to move and controlling the moving direction; the control system is installed on the moving system and used for controlling the welding speed and swing of the welding gun. According to the automatic welding device, an automatic welding method of CO2 gas protection is adopted, the problem that welding personnel are uneven in level is solved, the welding process is continuous and stable, the welding seam forming quality is good, deformation is avoided when products with extremely thin thickness are welded, the production period is shortened, the welding time is saved, the production efficiency is greatly improved, and the production cost is reduced. The overall comprehensive cost is greatly reduced, and the engineering problem during manual welding of the conical end socket is solved to a great extent.

The present invention belongs to the field of weld heating welding technology, and discloses a multi-stage heating device for thick-walled pipe welds, including a base, a coolant storage tank fixedly connected to the upper surface of the base, four evenly distributed table legs fixedly connected to the lower surface of the base, a support column and a curved pipe fixedly connected to the upper surface of the coolant storage tank, a straight pipe fixedly connected to one end of the curved pipe, a support column fixedly connected to one end of the straight pipe, a heating plate fixedly connected to the outer edge of the other end of the straight pipe, a temperature regulating and pressurizing mechanism fixedly connected to the curved pipe is provided inside the curved pipe, two sliding grooves are fixedly connected to the upper surface of the base, and a cylinder is fixedly connected to the lower surface of the base. The present invention can effectively control the temperature in the welding process through the principle of thermal expansion and contraction of the medium inside the shell when the temperature of the heating plate is too high, reduce heat waste, shorten welding time, and improve production efficiency through the design of the temperature regulating and pressurizing mechanism.

The invention discloses a pre-tightening force applying auxiliary welding device. The pre-tightening force applying auxiliary welding device is composed of a pre-tightening force applying mechanism and a synchronous rotating mechanism. The pre-tightening force applying mechanism adopts spring buffering and integrates loading and measuring, a spring buffering structure is arranged at the mounting position of a force sensor, the stress concentration problem caused by welding micro-deformation is avoided, and the stability is guaranteed; according to the integrated design, lead screw loading, force sensing and pre-tightening force locking are fused, additional force measuring equipment is not needed, the operation process is simplified, and welding time consumption is shortened. The clamping end of the synchronous rotating mechanism adopts a four-jaw chuck to improve the coaxial precision, the speed and angle of rotation are accurately regulated and controlled by a servo motor, a bearing coupling structure is selected for transmission, pre-tightening force loading and the synchronous rotating function are decoupled, the torque requirement of the motor is reduced, and damage is prevented. By means of the bearing coupling and the high-strength pre-tightening force design, stability is excellent, the risk is small, the device is suitable for welding of small cylindrical elements, and the device has the advantages of being efficient in welding and convenient to carry.

This application provides a method, apparatus, and electronic device for controlling welding wire. The method involves acquiring weld position information and determining the welding start and end points. Based on these points, and according to the welding speed of the welding equipment, a first and second position for wire melting are determined. The welding head is controlled to move from the first to the second position while maintaining the relative position between the laser emitted from the welding head and the welding wire. The wire feeding mechanism stops feeding the wire, and the laser simultaneously melts the wire. The wire feeding mechanism then retracts the wire, and the welding head is controlled to shut off laser emission, moving the welding equipment to the second position. This allows the welding equipment to directly cut the welding wire during the welding process, improving production efficiency and reducing welding time.

The present disclosure relates to the field of battery technology, and discloses a battery pack; the battery pack may include a battery cell, a bus bar, and at least two first welding connections; the battery cell includes a battery shell; the material of the bus bar is different from that of the battery shell, and the melting point of the bus bar is lower than that of the battery shell; at least two first welding connections are connected between the bus bar and the battery shell, and the spacing between two adjacent first welding connections is greater than or equal to 4mm and less than or equal to 45mm. The battery pack connects the bus bar and the battery shell through at least two first welding connections, which can reduce the welding time required to form a first welding connection, so that the energy brought by the welding can be dispersed to a certain extent to prevent the occurrence of poor welding penetration; and the connection strength and flow area between the bus bar and the battery shell can be guaranteed.

This invention discloses a hot-melt welding device for large-diameter water supply pipes, the core of which consists of an assembly base, a positioning fixture, a pressurizing component, and a hot-melt component. The positioning fixture is equipped with a sliding base and longitudinal and transverse positioning components, ensuring precise connection of the water supply pipes. The pressurizing component, through a lifting base, a pressurizing unit, and an opening and closing adjustment component, achieves uniform pressure on the welding area, optimizing the welding process. The hot-melt component is responsible for heating the interface, ensuring welding quality. This design significantly improves welding efficiency and connection accuracy. This invention effectively solves the problems of low welding efficiency, poor connection accuracy, and difficulty in guaranteeing welding quality in existing technologies, providing an efficient, precise, and stable technical solution for welding large-diameter water supply pipes.

The utility model belongs to the technical field of elbow welding devices, and particularly relates to a large-diameter elbow welding device which comprises an equipment main frame, an angle adjusting fixing piece is fixedly installed in the middle of one end of the equipment main frame, and an elbow fixing adjusting plate is installed in the angle adjusting fixing piece in an up-down sliding mode. The other end of the bent pipe fixing and adjusting plate is installed in the equipment main frame in a left-right sliding mode, the bent pipe fixing and adjusting plate is in threaded connection to a first transmission screw, one end of the first transmission screw is rotationally connected to an angle adjusting and fixing piece, and the other end of the first transmission screw is rotationally installed on the equipment main frame. According to the large-caliber elbow welding device, angle adjustment of the elbow fixing and adjusting plate is cooperated with height adjustment of the elbow supporting piece, so that the large-caliber elbow welding device is adaptive to welding of large-caliber elbows with different angles, tools do not need to be replaced, and universality is high.

The utility model provides an ultrasonic welding mechanism for a headlamp mask of an electric vehicle. The ultrasonic welding mechanism comprises a mask welding bottom plate platform, a welding control case and an ultrasonic transducer, an embedded guide rail strip is arranged in the middle of the separation connecting baffle, a movable adjusting base is arranged in the embedded guide rail strip, a connecting frame on one side of the movable adjusting base is connected with an ultrasonic transducer, an energy gathering device is installed at the bottom end of the ultrasonic transducer, a magnetic connecting piece is arranged at one end of the energy gathering device, and a magnetic attraction connecting base is arranged at the top end of the bowl-shaped welding connector. The bowl-shaped welding joint is assembled at the bottom end of the magnetic connecting piece through the magnetic connecting seat; according to the utility model, the bowl-shaped welding joint is arranged, and the bowl-shaped welding joint is assembled at the bottom end of the magnetic connecting piece through the magnetic connecting seat, so that the bowl-shaped mask can be better attached, integrated welding forming is facilitated, the welding time of the bowl-shaped mask is effectively shortened, and the welding quality is improved.

The application belongs to the technical field of floor drain welding equipment, and discloses an HDPE same-layer drainage floor drain infrared welding device and method, which comprises a main frame, an upper moving mechanism, a lower moving mechanism, a heating mechanism and a control device, wherein the upper moving mechanism, the lower moving mechanism, the heating mechanism and the control device are arranged on the main frame, the upper moving mechanism, the lower moving mechanism, the heating mechanism and the control device are electrically connected, the upper moving mechanism is arranged above the heating mechanism, the lower moving mechanism is arranged below the heating mechanism, the upper moving mechanism is used for placing a floor drain upper cover, the lower moving mechanism is used for placing a floor drain lower cover, the heating mechanism is used for heating the welding position of the floor drain upper cover and the floor drain lower cover, and the control device is used for controlling the upper moving mechanism and the lower moving mechanism to move close to each other and controlling the heating and movement of the heating mechanism. The device has high automation degree, shortens the welding time, effectively improves the welding efficiency and guarantees the qualified rate of products.

The utility model relates to the technical field of welding fixtures, in particular to a lifting type welding fixture which comprises a base plate, a first electric push rod, a fourth electric push rod and a rotating mechanism, and the rotating mechanism comprises a rotating seat, a rotating shaft, a first gear, a rotating motor, a second gear, a mounting frame and two inclined assemblies. A welding part is fixed between the two first electric push rods and the fourth electric push rod, if the vertical position of the welding part needs to be adjusted, the two first electric push rods and the fourth electric push rod are started, and when the fixed welding part is rotated, a rotating motor and a second gear are started to rotate, so that the welding part is fixed. The rotating shaft and the mounting frame are rotated through the first gear until the angle adjustment is completed, and meanwhile, the two inclined assemblies can be opened to adjust the inclination of the base plate until the required inclination is reached, so that the position adjustment of the fixed welding part is completed, and the convenient position adjustment of the fixed welding part is achieved; and the welding time is shortened.

The present application relates to the technical field of automobile welding processing, in particular to a kind of automobile roof stamping cross beam and frame welding stress relief fixture and its welding system, solve the problem that automobile roof stamping cross beam and frame are welded, general fixture or the occlusion of the welded part is carried out, resulting in the problem that welding needs to be segmented.The first support platform and the second support platform are included, the top of the first support platform is fixed with the fixture body, the top of the second support platform is installed with two support electric telescopic rods, the top of the two support electric telescopic rods is fixed with the auxiliary support plate, and the auxiliary support plate is attached to the curve of the frame bottom.The fixture body includes a fixed plate, a first adjusting telescopic rod and a second adjusting telescopic rod are respectively arranged above and below the fixed plate.The present application can cover the clamping and fixing of automobile roof stamping cross beam and frame, and the continuous welding operation of the contact part of the welding torch to the automobile roof stamping cross beam and frame is not affected after clamping.

The multifunctional detachable shaft type platform comprises a supporting frame, a welding platform, a first adjusting assembly, a circular ring plate and a second adjusting assembly, at least two first positioning pieces and at least two second positioning pieces are arranged on the welding platform, the two first positioning pieces are fixed to the top of the welding platform, and the two second positioning pieces are fixed to the top of the welding platform. The two second positioning pieces are fixed to the side face of the welding platform, clamping grooves are formed in the top of each first positioning piece and the free end of each second positioning piece, and fastening bolts are installed on the side face of each first positioning piece and the side face of each second positioning piece in a threaded mode. The first adjusting assembly is arranged between the supporting frame and the welding platform, a breather pipe is coaxially arranged on the annular plate, a plurality of argon holes are formed in the side face of the breather pipe, and the second adjusting assembly is arranged between the annular plate and the supporting frame. The device is simple in structure, convenient to manufacture, good in stability and high in safety.

The application provides a box inner wall bracing device, which comprises a tool base, one end of the tool base is provided with a positioner, the other end is provided with an electric bracket, an inner support beam is connected between the positioner and the electric bracket, one end of the inner support beam connected with the positioner is connected with the tool base through a bracket, and a positioning block is arranged between the inner support beam and the positioner, a plurality of bracing structures are arranged on the inner support beam, the bracing structure comprises a micro oil cylinder, a pulley and a micro oil cylinder, a pulley arranged on the upper side of the inner support beam, the right side and the lower side of the inner support beam are both provided with a boss, the extending rod of the micro oil cylinder is connected with a top plate, and the both ends of the top plate are connected with the inner support beam through guide rods. The automatic inner bracing and overturning mode greatly reduces the welding time of the reinforcing ribs outside the box, and provides a simple and efficient welding mode for the processing of a large number of box products.

The invention discloses a top cover assembly, a battery, an energy storage device and electric equipment, the top cover assembly comprises a top cover, and the top cover is provided with a first through hole; the polar column comprises a bottom plate and a first column body, the bottom plate and the top cover are arranged at an interval, the first column body is connected with the bottom plate, and the first column body extends into the first through hole; the flow collecting disc is arranged on the side, away from the top cover, of the bottom plate, the flow collecting disc and the bottom plate are arranged in a stacked mode, the flow collecting disc comprises a flat plate and a boss, and the boss protrudes out of the surface, facing the bottom plate, of the flat plate and is welded to the bottom plate. The battery comprises a top cover assembly and a battery cell, wherein the top cover assembly is arranged at a negative electrode of the battery cell. The energy storage device comprises the battery provided by the application, and the electric equipment comprises the energy storage device provided by the application. According to the top cover assembly, single-pole folding collector plate penetration welding is changed into bottom plate and collector plate penetration welding, the top cover assembly is optimized, the problem that the collector plates are difficult to center is effectively solved, the torsion resistance of the top cover assembly is improved, and the product production rate is increased.

The invention discloses a ship body integral manufacturing forming device and method, and belongs to the field of ship body forming manufacturing. The device comprises a power module, an electrode module, a conductive metal strip, a liquid injection module, an edge pressing module and a mold; the blank pressing module is pressed above the ship edge of the prefabricated workpiece, so that the prefabricated workpiece is fixedly pressed in the mold, the prefabricated workpiece is fixed between the blank pressing module and the mold, a closed space is formed between the blank pressing module and the opening end of the prefabricated workpiece, and after liquid is injected into the closed space, the prefabricated workpiece is equivalent to a flexible container; when the device is used for forming the prefabricated workpiece, the conductive metal strip explodes under the action of pulse current generated by the electrode module, shock waves are formed in liquid, the shock waves drive the metal workpiece to deform, and therefore the shape correction of the prefabricated workpiece is achieved. According to the device, the equipment and production cost can be reduced, the proficiency of workers can be reduced, the production efficiency and the product quality can be improved, and the device is suitable for rapid, accurate and low-cost forming and manufacturing of various ship bodies.