335results about How to "Convenient welding operation" patented technology

The invention relates to the technical field of metal welding, and discloses a municipal road pipeline laying welding device which comprises a handle and further comprises a clamping mechanism, the clamping mechanism is arranged on the outer wall of the handle and comprises a swing plate, the swing plate is fixedly connected with the outer wall of the handle, a first sliding groove is formed in the outer wall of the swing plate, and a second sliding groove is formed in the outer wall of the first sliding groove. The groove wall of the first sliding groove is slidably connected with the outer wall of the limiting plate, the inner wall of the swing plate is slidably connected with the outer wall of the air cylinder through a sliding block, the output end of the air cylinder is fixedly connected with the outer wall of the limiting plate, and the inner wall of the swing plate is slidably connected with the outer wall of the first supporting plate. According to the welding device for municipal road pipeline laying, the clamping mechanism is arranged and used for positioning and clamping a road pipeline, so that the rotating center of the welding device is coaxial with the axis of the pipeline, operation of workers is facilitated, the situation that the quality is reduced due to the fact that the pipeline cannot be kept coaxial under the condition that the operation environment is small is prevented, and the welding device for municipal road pipeline laying can be normally used.

The utility model discloses a rotary inner support type welding tool which comprises a base plate, a center shaft stud, an inner support limiting disc, an inner support ejection block, a conical block, an inner support pressing disc, an adjusting nut and a workpiece pressing disc. An inner supporting limiting disc is fixed to the upper side of the base plate, a plurality of limiting notches evenly distributed in the axial direction are formed in the inner supporting limiting disc, inner supporting ejection blocks correspond to the limiting notches, are movably arranged in the limiting notches in a matched mode and move in the radial direction of the inner supporting limiting disc, and a center shaft stud is movably connected with a conical block in a sleeved mode. And an arc-shaped chamfer surface which is movably matched and connected with the inclined surface of the conical block is formed at one end of the inner support ejection block. Compared with the prior art, the inner supporting device has the advantages that when the inner supporting device is used, the conical block can be driven to move up and down by controlling the adjusting nut to move up and down, so that the inner supporting ejection blocks are driven to synchronously move in the radial direction of the inner supporting limiting disc in two directions, and annular part products of different sizes are clamped and fixed; and therefore, the annular part product can be conveniently welded and processed.

The invention relates to the technical field of welding, in particular to a lead-free solder composition and a preparation method thereof. The composition comprises brazing filler metal and a brazing flux, wherein the brazing filler metal comprises 55 to 65 parts of copper, 30 to 40 parts of zinc, 0.5 to 1 part of silver, 0.1 to 1 part of tin, 0.1 to 0.5 part of nickel, 0.02 to 0.15 part of lanthanum, 0.03 to 0.15 part of cerium and 0.05 to 0.2 part of indium; the brazing flux comprises 18-22 parts of borax, 13-17 parts of boric acid, 25-32 parts of a potassium fluoride and potassium fluoborate compound, 3-5 parts of calcium fluoride, 12-16 parts of aluminum oxide and 8-11 parts of magnesium oxide. The lead-free solder composition does not contain toxic lead elements, pollution to the environment and the ecological system is little, the wettability, corrosion resistance, strength, stability and the like of the lead-free solder composition are improved, and the welding quality is comprehensively improved. According to the preparation method, uniform distribution and accurate control of the brazing filler metal and the brazing flux are guaranteed, stability and consistency of product quality are guaranteed, and the preparation method is easy and convenient to operate and suitable for mass production.

The invention belongs to the technical field of coal mining machine cutting pick holder welding equipment, and particularly relates to a coal mining machine roller cutting pick holder welding positioning device which comprises a supporting plate, the bottom end of the supporting plate is fixedly connected with a fixing frame, and the bottom end of the fixing frame is fixedly connected with a lifting mechanism. According to the welding and positioning device for the cutting pick holder of the coal cutter roller, the function of automatically and accurately positioning the welding angle is achieved when the cutting pick holder and the coal cutter roller are welded, and the welding and positioning device for the cutting pick holder of the coal cutter roller further has the height adjusting function, so that the convenience and efficiency of welding and mounting of the cutting pick holder and the coal cutter roller can be improved, and the labor intensity of welding personnel is reduced; in addition, the coal cutter roller cutting tooth seat welding positioning device further has the functions of continuously cooling a welding area and purifying welding smoke dust, welding angle positioning deformation of the cutting tooth sleeve can be effectively prevented through continuous cooling of the welding area, the welding quality can be improved, and the using reliability and the environmental protection performance of the device can be improved.

The invention relates to the technical field of welding equipment for steel structure factory buildings, in particular to H-shaped steel welding equipment for a steel structure factory building. Comprising a welding device body and an operation table, the operation table is provided with a first supporting part and a second supporting part, the first supporting part is used for supporting an H-shaped steel body, and the second supporting part is used for fixedly installing a lining plate; the first supporting part comprises a lifting supporting assembly and a supporting bed arranged on the lifting supporting assembly, the supporting bed can support the front end of the H-shaped steel body to incline towards the second supporting part, and the second supporting part can drive the mounting lining plate and the H-shaped steel body to move and rotate. The H-shaped steel main body and the mounting lining plate are supported through the first supporting part and the second supporting part correspondingly, the H-shaped steel main body and the mounting lining plate can be in butt joint rapidly, the H-shaped steel main body can be kept in an inclined state for welding by adjusting the first supporting part, operation of welding wires and the welding device main body is facilitated, and the welding effect is guaranteed.

The invention relates to the technical field of welding fixing equipment, in particular to a corrugated pipe welding device which comprises a rack, a corrugated pipe fixing mechanism and a flange plate fixing mechanism, the corrugated pipe fixing mechanism is used for fixing a corrugated pipe and comprises a mounting base, an air pump, a heater, an air bag and a plurality of fixing rods, the mounting base is fixedly connected with the rack, the fixing rods are slidably connected with the mounting base, the fixing rods are distributed at intervals in the circumferential direction of the mounting base, an air duct is formed in the center of the mounting base, and the air bag is fixedly connected with the mounting base; through an inner fixing structure of the air bag and the fixing rod, the corrugated pipe can be effectively fixed and prevented from shaking in the welding process, and therefore the welding stability and the welding quality are improved; and hot air is introduced into the air bag to preheat the corrugated pipe, so that the welding stress can be eliminated.

The utility model discloses a chip welding machine for a PCB (Printed Circuit Board), and relates to the technical field of chip welding. The chip welding machine for the PCB comprises a base, sliding rails are fixedly installed on the two sides of the upper surface of the base, a sliding strip is fixedly installed on the tops of the sliding rails, telescopic rods are fixedly installed on the two sides of the top of the sliding strip, and an installation plate is fixedly installed on the tops of the telescopic rods. Then the positioning ring drives the pressing block to move upwards, the circuit board is inserted into the lower portion of the positioning ring, one side of the circuit board is connected with one side of the clamping block in an inserted mode, after the positioning ring is loosened, the positioning ring is reset through the reset spring, the rubber strip on the pressing block makes contact with the surface of the circuit board, and meanwhile the damping spring can reset the rubber strip on the buffer plate; therefore, clamping and positioning operation of the circuit board is facilitated, subsequent welding operation of a welding machine on a chip is facilitated, position deviation of the circuit board is avoided, and normal use of the welding machine is kept.

The present invention discloses a direct-buried polyurethane thermal insulation pipe, and relates to the technical field of thermal insulation pipes. The direct-buried polyurethane thermal insulation pipe comprises a thermal insulation pipe body buried in a groove, the side wall of each thermal insulation pipe body is sleeved with two groups of symmetrically arranged semicircular rings, and the number of each group of semicircular rings is two, the two semicircular rings are detachably connected by a first connecting mechanism, and the bottom of each group of semicircular rings is detachably connected with a base by a second connecting mechanism. The direct-buried polyurethane thermal insulation pipe is convenient for connecting two thermal insulation pipe bodies, and at the same time, it can ensure that the two thermal insulation pipe bodies are in a concentric state, and it is convenient to adjust the height of the two ends of the thermal insulation pipe body to ensure that it is in a horizontal state, so as to facilitate subsequent welding operations and ensure the quality of welding; when connecting, there is no need to turn the direction of the thermal insulation pipe body, so that the connection of the thermal insulation pipe body is more convenient and quick, and the efficiency of subsequent construction can be improved.

The utility model relates to a battery shell, a battery, a battery pack and a power utilization system, the battery and the battery pack shell form the battery pack for supplying power to the power utilization system, and the battery shell of the battery comprises a shell body and a cover plate. Wherein the shell comprises an inner cavity, the inner cavity is provided with an opening, the cover plate is fixed on the shell, and the cover plate shields the opening of the inner cavity. At least one of the surface, facing the shell, of the cover plate and the surface, facing the cover plate, of the shell is provided with a first groove, a brazing seam is arranged between the cover plate and the shell, and the brazing seam is used for fixedly connecting the shell and the cover plate and sealing the inner cavity. The first groove is suitable for containing welding flux used for forming a brazing seam. The battery shell provided by the utility model adopts brazing, so that the welding difficulty is reduced, the manufacturing cost is reduced, and the residual stress and failure risk after welding are reduced.

The utility model relates to the technical field of electric vehicle production, and particularly discloses a vehicle frame positioning and welding device which comprises a supporting mechanism, a rotating mechanism used for rotationally supporting a vehicle frame is arranged on the supporting mechanism, and a fixing mechanism used for adjusting and fixing different positions of the vehicle frame is arranged on the rotating mechanism. The rotating mechanism comprises a supporting frame, supporting shafts are oppositely arranged at the two ends of the supporting frame, and a worm gear is fixed to one supporting shaft. Through the arrangement of the adjusting assembly and the clamping assembly of the fixing mechanism, the adjusting assembly adjusts and adapts to the position of the clamping assembly, the fixing positions of different frames can be adjusted and used conveniently, the use range is widened, through the arrangement of the rotating mechanism, a rotating worm drives a worm gear to rotate, and a supporting shaft and a supporting frame are driven to rotate, so that the fixing effect is improved. And then the vehicle frame on the supporting frame is turned over, welding operation can be conveniently conducted on other directions of the vehicle frame, the use convenience is improved, and the production efficiency is improved.

The invention discloses a T-shaped assembly local deformation correction tool which is used for constraint correction during T-shaped assembly welding and comprises a tool body, a tensioning device and a gasket, the tool body is of a plate type structure and comprises a supporting part and a tensioning part, a jack is arranged below the supporting part, the upper end of the jack is connected with the supporting part, and the lower end of the jack is connected with the tensioning part. The lower end of the jack is connected with the T-shaped assembly, the tensioning device is arranged on the tensioning part, the upper end of the tensioning device is connected with the upper end face of the tensioning part, the lower end of the tensioning device is connected with the T-shaped assembly, the tensioning device can move along the tensioning part, and the gasket is arranged between the supporting part and the T-shaped assembly and can move along the tensioning part. Local deformation of the aluminum alloy T-shaped assembly can be conveniently and simply corrected, large deformation generated during welding is avoided, use is easy and convenient, the working difficulty and labor intensity of workers are lowered, and consumed time is shortened; the invention further provides a using method of the T-shaped assembly local deformation correcting tool.

The invention relates to the technical field of steel welding, in particular to a multifunctional building steel welding device which comprises an operation table, two discharging boxes are symmetrically fixed to the two sides of the upper surface of the operation table, first rotating cylinders are installed in the discharging boxes, and two moving blocks are symmetrically arranged on the two sides of the interior of the upper surface of the operation table; an overturning plate is rotationally connected to the upper surface of the moving block, a butt joint adjusting mechanism is installed between the overturning plate and the moving block, and a positioning assembly is installed on the upper surface of the overturning plate; the automatic and continuous feeding effect is achieved through the feeding assembly, manual feeding is not needed, the overall working efficiency is improved, steel of different shapes within a certain range is clamped and fixed in cooperation with the positioning assembly, and finally the butt joint angle of the steel is adjusted through the butt joint adjusting mechanism; and the filling assembly is matched to fill an included angle during welding inclined butt joint, so that the stability of subsequent overall welding is improved, the required welding parts in different combination states can be obtained, and the overall applicability is improved.

The utility model discloses welding equipment for pipe seam anchor rod production, which comprises a welding platform, supporting seats are fixedly connected to the middle parts of two ends above the welding platform, threaded rods are rotatably connected to one sides above the supporting seats, and sliding rods are fixedly connected to the other sides above the supporting seats; the upper portion of the threaded rod is in threaded connection with an arc-shaped supporting block, the arc-shaped supporting block is in sliding fit with the sliding rod, one side of the arc-shaped supporting block is fixedly connected with a driving motor, the driving end of the driving motor is fixedly connected with a rolling wheel, and the two ends of the interior of the welding platform are both in sliding fit with stretching plates. And an opening is formed in one end of the stretching plate, and a lifting adjusting plate penetrates through the interior of the opening. The anchor rod welding device is provided with the driving motor and the rolling wheel, the bolt is loosened, the driving motor drives the rolling wheel to rotate, rotation can be achieved through friction force between the rolling wheel and the anchor rod, different positions of the anchor rod are conveniently welded, and welding efficiency is improved.

The invention relates to the technical field of patch welding, and particularly discloses a welding device for computer hardware machining, which comprises a base, a conveying part is erected on the top of the base, a welding part is arranged at the bottom of the conveying part, a wire conveying part is arranged on one side edge of the welding part, and a display screen is fixed on the side edge of the conveying part; the device further comprises a monitoring assembly, the monitoring assembly is arranged on the other side edge of the welding part, the monitoring assembly abuts against the surface of the mainboard to be welded, and the distance between the welding part and the mainboard is monitored and judged through the monitoring assembly; the speed regulating assembly and the driving assembly are arranged at the top of the monitoring assembly, the distance between a welding part and a main board is monitored through the monitoring assembly, the rotating speed of a coil is directly adjusted through the speed regulating assembly, and the conveying speed of a tin bar wire is adjusted according to the area of a to-be-welded part; welding operation of small-area to-be-welded patches is facilitated, and the welding effect is improved.

The utility model belongs to the technical field of welding tools, and particularly relates to an underframe welding tool which comprises a workbench, the workbench is provided with supporting assemblies, the supporting assemblies are used for abutting against corresponding support rods, the workbench is further provided with pressing devices, and the pressing devices are used for pressing the support rods on the corresponding supporting assemblies for positioning. The support rods are accurately positioned through the supporting assemblies and can be spliced to form the bottom frame, rapid positioning and positioning accuracy of the support rods are improved, and welding seams are reserved between the support rods through welding, so that welding operation is simpler and more convenient; the pressing device is used in cooperation with the supporting assembly, the pressing device is operated to press the support rod on the supporting assembly, welding operation is carried out, swing and deviation of the support rod due to the influence of external force during welding are reduced, the positioning stability of the support rod is improved, and then the welding precision and the stability of the welding process are improved.

The present application relates to a wall panel welding device and a welding method for a large storage tank, and in particular to the field of welding and installation of annular wall panels of large storage tanks. The device includes a base, an annular track, a ring frame, multiple internal welding mechanisms, multiple vertical frames, multiple clamping devices, multiple lifting frames, and multiple external welding mechanisms. The annular track supports the bottom of the wall panel, the ring frame abuts against the inner peripheral wall of the wall panel, the internal welding mechanism welds the inner side of the wall panel, the vertical frame is arranged around the annular track and forms a feeding channel, the clamping device clamps the outer side of the wall panel, and the lifting frame drives the external welding mechanism to weld the outer peripheral wall of the wall panel. The present application also provides a wall panel welding method for a large storage tank using the device. Through the above-mentioned device and method, efficient and accurate installation and welding of the entire annular wall panel of a large storage tank are achieved, which improves work efficiency and reduces installation costs.

The utility model discloses a sheet metal rack welding device convenient to adjust, which relates to the technical field of sheet metal racks and comprises a base, a sliding rail is arranged on one side of the upper end of the base, a sliding block is arranged in the middle of the sliding rail, a rotating seat is arranged at the upper end of the sliding block, and a supporting rod is arranged at the upper end of the rotating seat. A rotary knob is arranged on the side wall of the rotating seat, a mounting frame is arranged at the upper end of the supporting rod, a rotating rod is arranged in the middle of the mounting frame, two sets of connecting blocks are arranged on the outer wall of the rotating rod, fixing clamps are arranged at the front ends of the two sets of connecting blocks, and a turbine is arranged on the outer wall of the front end of the rotating rod and located in the mounting frame. A worm is arranged at the upper end of the turbine, and a second crank is arranged at the position, on the outer wall of the mounting frame, of the rear end of the worm. According to the sheet metal rack welding device convenient to adjust, the angle of the sheet metal rack can be adjusted more conveniently during welding.

The invention relates to the technical field of stainless steel welding, in particular to stainless steel casting welding equipment for curved surface chamfering and a welding technology.The stainless steel casting welding equipment comprises a welding table, a driving mechanism is installed on the left side of the top end of the welding table and comprises a driving box, and the bottom end of the driving box is connected with the top end of a limiting box; the right side of the limiting box is connected with the left side of a reciprocating assembly, a sliding block is arranged on the right side of the reciprocating assembly, the right side of the sliding block is arranged in the left side of a sliding rail in a sleeved mode, the top end of the sliding rail is fixedly arranged at the top end of the interior of the welding table, and a turnover mechanism is arranged at the front end of the reciprocating assembly and comprises a side plate. The angle can be conveniently adjusted, radian welding can be conveniently conducted on the stainless steel casting, the efficiency is improved, the manual labor burden is reduced, reciprocating welding of the curved surface chamfer of the stainless steel casting is achieved, the efficiency is improved, meanwhile, accurate positioning can be conducted, welding deviation is prevented, and the attractiveness is improved.

The present invention relates to a welding tool for welding a duct flange, comprising two vertical columns, a first beam being connected between the top ends of the columns; brackets lower than the first beam being provided on both columns, a second beam being parallel to the first beam being connected between the two brackets; an electric control box being provided on the first beam for sliding along the length direction of the first beam, a welding oscillator being provided on the electric control box for sliding along the length direction of the columns toward one side of the second beam, a welding gun being provided on the welding oscillator; a plurality of clamping and fixing devices for fixing the duct flange being provided at intervals on the second beam for spacing along the length direction of the second beam. The present invention has the advantages of reducing welding weaknesses of the duct flange and the pipe body and improving welding operation efficiency.

The application discloses a battery monomer, a battery device and a power utilization device, and relates to the technical field of batteries. The battery monomer comprises a shell assembly, an electrode assembly and a pole post assembly, the pole post assembly comprises a pole post main body and an adapter, the adapter is welded with a first shell wall, at least one identification part is formed on the side surface of the adapter away from the accommodating cavity, the identification part is arranged between the outer circumferential edge of the pole post main body and the outer circumferential edge of the adapter in the radial direction of the adapter, the identification part is configured to be visually detected and identified, the surface roughness of the identification part is smaller than the surface roughness of the remaining part of the side surface of the adapter away from the accommodating cavity except the identification part, and the surface roughness of the remaining part of the side surface of the adapter away from the accommodating cavity except the identification part is smaller than the surface roughness of the outer circumferential wall of the adapter. Therefore, the position grasping accuracy of the outer circumferential edge of the adapter can be improved through the identification part, the welding quality of the adapter and the first shell wall is improved, and the reliability of the battery monomer is improved.

The utility model discloses an engine scavenging collecting pipe machining device which comprises a lifting platform, the lifting platform is used for conducting lifting motion in the vertical direction, a transferring structure is arranged on the lifting platform, and the transferring structure comprises a first displacement assembly arranged above the lifting platform, a second displacement assembly arranged above the lifting platform and a third displacement assembly arranged above the lifting platform, the first displacement assembly can do linear reciprocating motion in the length direction of the lifting platform. The second displacement assemblies are arranged on the first displacement assembly and can do linear reciprocating motion in the width direction of the lifting platform; and the bearing assembly is arranged on the second displacement assembly and comprises a supporting frame and a plurality of guide rollers rotationally arranged on the supporting frame, and the guide rollers are used for bearing the scavenging collecting pipes. The machining equipment for the scavenging header of the engine can conduct welding operation on components of different models in the three-axis direction, meanwhile, the machining equipment is provided with a plurality of stations, and the welding efficiency can be improved.

This invention provides an auxiliary tooling for flipping circuit board welding, including a support assembly. A flipping assembly is mounted on top of the support assembly. The flipping assembly includes a pneumatic telescopic rod, a support plate, a servo motor, a connecting plate, a stepper motor, a groove, a bidirectional threaded rod, and a clamping plate. The support plate is fixedly connected to the top of the pneumatic telescopic rod, and a servo motor is mounted on one side of the support plate. This invention uses the servo motor to drive the connecting plate to rotate, causing the circuit board to flip, facilitating welding operations on the other side of the circuit board. This eliminates the need for manual flipping of the circuit board, improving welding efficiency and quality, and reducing the risk of circuit board contamination. The stepper motor drives the bidirectional threaded rod to rotate, and the threaded engagement causes the clamping plate to clamp the circuit board, preventing displacement of the circuit board during the flipping process, thus meeting the needs of automated, high-precision welding production.

The invention provides an auxiliary welding device and a welding method. The auxiliary welding device comprises a support. The bracket includes: a first rod extending in a first direction; the second rod extends in the second direction, is arranged on the first rod and is provided with a first clamping part; the first clamping part is used for being clamped with a first position of a supporting rod of the rotating brake; the first direction is perpendicular to the second direction; the rotating brake comprises a main rod and a plurality of supporting rods connected with the main rod; the first guide piece is provided with a second clamping part; the second clamping part is used for being clamped with a second position of the supporting rod of the rotating brake, so that the first clamping part and the second clamping part are arranged at intervals in the first direction, and the supporting rod is fixed in the first direction; and the second guide piece is used for being clamped with the main rod of the rotating brake, so that the length direction of the connecting hole of the main rod is the same as the first direction, and one end of the supporting rod can be located in the connecting hole of the main rod in the length direction. According to the welding auxiliary device, the welding machining convenience of the welding auxiliary device on the main rod and the supporting rod of the full-height rotating brake can be improved.

The invention discloses a pressure transmitter flange diaphragm laser welding process, and relates to the technical field of pressure transmitter diaphragm laser welding, and the pressure transmitter flange diaphragm laser welding process specifically comprises the following steps: step 1, cleaning the surface of a flange body and the surface of a diaphragm; secondly, the flange body and the diaphragm are connected; and thirdly, the flange body and the diaphragm are subjected to multi-circle welding operation through welding equipment. A welding clamp in the process is improved, and the clamp can quickly absorb excessive welding heat, help a weld joint to dissipate heat and inhibit generation of wave deformation; in order to keep the opening position of the positioning ring always below the laser and prevent the positioning ring from deviating to influence the welding effect on the flange body and the diaphragm, the applicant specially designs welding equipment, and the welding equipment is provided with a clamping mechanism and a limiting mechanism, so that multi-circle welding operation can be conveniently carried out between the flange body and the diaphragm.

A high-voltage and high-current fast fuse comprises an end cover, a contact, a fuse tube, a fuse body, a fuse body guide column, arc extinguishing filler and a fastening screw, characterized in that two or more fuse body guide columns are arranged in the fuse tube, the fuse body is fixed on the fuse body guide column in a spiral winding manner, the contact is provided with a fuse body perforation, the fuse body is welded on the outer end surface of the contact through the perforation, the end cover end surface is overlapped on the outer end of the contact and is connected and fixed with the contact through the fastening screw installed hole of the end cover and the contact and the fastening screw. The disadvantages of poor welding are overcome to the maximum extent. In the case of not increasing the length of the fuse tube or even shortening the length, the rated voltage and the rated current of the fuse can be effectively improved, the anti-impact and anti-bumping capabilities of the fuse are improved, and the fuse can be used to protect the integrated power system of a ship, a large energy storage and power transmission system and other high-voltage and high-current power transmission systems.

The utility model relates to a barrel flattening device in the technical field of hub assembly production equipment, which comprises a support platform, a horizontal support roller is fixed on the support platform, a support plate I and a support plate II are respectively arranged below two ends of the support roller, one side of the support plate II is hinged with a stand column, and the lower end of the stand column is fixed on the support platform; the supporting roller is matched with a horizontal pressing plate. Two vertical rods are arranged on the supporting platform corresponding to the two sides of the supporting roller respectively, a connecting plate is arranged between the two vertical rods located on the same side of the supporting roller, a top plate is arranged at the top ends of the vertical rods, the horizontal pressing plate is connected with the top plate through vertical telescopic rods, and vertical pressing plates are arranged on the two sides of the supporting roller in a matched mode. The vertical pressing plates are connected with the corresponding connecting plates through horizontal telescopic rods. According to the utility model, the two ends of the rolled plate can be extruded, aligned and flattened, so that the two end surfaces of the rim are closer and smoother, the welding is convenient, the subsequent welding operation is facilitated, and the quality of the rim is improved.

The utility model discloses an automobile fairing structure which comprises a fairing body and an installation plate, an installation seat is fixedly installed on the inner top face of the fairing body through bolts, fixing plates are connected to the two sides of the top of the fairing body, and positioning mechanisms are arranged on the two sides of the fairing body. A buffer mechanism is arranged in the mounting seat, the positioning mechanism comprises a positioning pin, the positioning pin is fixedly connected with the fixing plate and slidably connected with the fairing body, a sliding groove is horizontally formed in the upper portion of the interior of the mounting seat, and a positioning spring is mounted in the middle of the interior of the sliding groove. The problems that corresponding positioning operation needs to be carried out during welding of the automobile fairing so as to ensure that the welding position of the fairing corresponds to the mounting position, the fairing cannot be conveniently positioned by the device, and welding deviation may be caused are solved. And the welding quality and the mounting effect of the fairing are reduced.

The utility model discloses an auxiliary tool for welding a lithium battery pole, which belongs to the field of lithium batteries and comprises a lithium battery body. The mounting assembly is detachably arranged on the upper surface of the lithium battery body; the positioning assembly is arranged on the front surface of the mounting assembly and comprises a mounting plate which is arranged on the front surface of the mounting assembly; the fixing sleeve is arranged on the upper surface of the mounting plate; the U-shaped rod is arranged on the inner side of the fixing sleeve in a sliding manner; and the positioning sleeve is arranged on one end surface, far away from the mounting plate, of the U-shaped rod. According to the auxiliary tool for welding the lithium battery pole, the positioning assembly can be arranged on the upper surface of the lithium battery body through the arranged mounting assembly, so that the positioning assembly can accurately position the battery pole, a certain limiting effect is provided, the battery pole is effectively prevented from deviating during welding, positioning is accurate, and the welding efficiency is improved. Therefore, the welding quality of the battery pole is remarkably improved, and the reliability and stability of electrical connection of the lithium battery are guaranteed.

This utility model discloses a steel truss docking and positioning device, comprising two fixing components. Each fixing component includes an arc-shaped plate and an L-shaped plate. The arc-shaped plate is fixedly connected to the L-shaped plate on its open side, and the arc-shaped plate and the L-shaped plate are integral structures. End plates are fixed to adjacent sides of the L-shaped plates of both fixing components. A first connecting rod and a second connecting rod are respectively fixed to the surfaces of the two end plates. A sleeve is slidably fitted onto the surface of the first connecting rod. This utility model provides two fixing components, a first connecting rod, a second connecting rod, a sleeve, and a connecting sleeve. Each fixing component contains an extrusion member. The two fixing components are connected via the first connecting rod, the second connecting rod, and the sleeve. By fixing the two fixing components to the surfaces of the two docking steel trusses using the extrusion members, the docking positions of the two steel trusses are completely exposed, facilitating subsequent welding operations. Furthermore, the connection method between the fixing components and the steel trusses is faster and more convenient.

The welding tool for the safety protection frame is applied to the field of sheet metal part machining and comprises a base, a main supporting seat is arranged on the base, and a frame body is erected on the main supporting seat; the base is provided with a first fixing unit used for fixing the lower bottom plate, a second fixing unit used for fixing the upper bottom plate, a third fixing unit used for fixing the hinge block and a fourth fixing unit used for fixing the side bent plate, and the main supporting seat is provided with a fifth fixing unit used for fixing the handle. The first fixing unit comprises a limiting seat arranged on the base, a vertical plate bolt matched with the vertical plate nut is arranged on the limiting seat in a penetrating mode, and the end, facing the vertical plate nut, of the vertical plate bolt is in threaded connection with the vertical plate nut. The welding device has the technical effects that an operator can conveniently conduct welding operation, meanwhile, all parts are fixed in the welding process, all the parts are not prone to shaking, and the welding seam quality and the welding efficiency are improved.