Automatic welding device for electric power iron tower accessories
The automatic welding device uses a linear motor to adjust the position of the welding seat, guide blocks, clamping structure, and guide blocks to achieve stable butt welding and circumferential welding of steel pipes. This solves the problem of asynchronous rotation of two sets of steel pipes in traditional welding devices, and improves the stability of the steel pipes and the welding effect.
Patent Information
- Application Number
- CN202511329580.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-09-17
- Publication Date
- 2025-11-28
AI Technical Summary
Traditional welding equipment is prone to asynchronous rotation when rotating two sets of steel pipes synchronously, which can lead to welding position deviation, poor welding effect or even failure.
An automatic welding device is used, including a linear motor, a welding seat, a guide block, a clamping structure, and a laser welding head. The linear motor adjusts the position of the welding seat, the guide block guides the weld, the clamping structure provides multiple clamping, and the laser welding head rotates to perform welding, thus achieving stable butt welding and circumferential welding of steel pipes.
It improves the stability and welding effect of steel pipe welding, ensures the sealing and uniform stress of welding under the ring welding method, adapts to the characteristics of the ring weld of steel pipe, and avoids positional displacement and welding failure.
Smart Images
Figure CN121017804A_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The present application relates to the technical field of power tower accessories, and particularly relates to an automatic welding device for power tower accessories. BACKGROUND
[0002] The power tower is a core supporting structure in a power transmission line system, and mainly functions to suspend high-voltage transmission lines (conductors and ground wires) and support the same at a safe height from the ground to ensure stable and safe operation of the power transmission line. The power tower is widely distributed in high-voltage, extra-high-voltage and ultra-high-voltage power transmission projects, and the accessories of the power tower are pipe fittings. In the construction of the power tower, the pipe fittings play a key role in supporting and connecting. Some supporting components on the power tower are formed by welding steel pipes that are butted together in front of and behind each other to achieve the effect of connection or support. A welding device is used when welding the steel pipes. However, the conventional welding device has some problems in use. When welding two groups of steel pipes, the conventional welding device generally welds the connection between the two groups of steel pipes. However, the conventional welding device needs to rotate the two groups of steel pipes synchronously before welding, and then the welding is performed by the worker. This rotating method is prone to cause the two groups of steel pipes to rotate asynchronously in the rotating process, resulting in a welding position offset during welding, poor welding effect, or even welding failure. Therefore, an automatic welding device for power tower accessories is needed to solve the above problems. SUMMARY
[0003] The present application aims to provide an automatic welding device for power tower accessories to solve the defects of the conventional welding device, which needs to rotate two groups of steel pipes synchronously before welding, and then the welding is performed by the worker. This rotating method is prone to cause the two groups of steel pipes to rotate asynchronously in the rotating process, resulting in a welding position offset during welding, poor welding effect, or even welding failure.
[0004] To solve the above technical problems, the present application provides the following technical scheme: an automatic welding device for power tower accessories, comprising a workbench and a second cylinder. Two sides of the top end of the workbench are provided with support frames, the top end of each support frame is provided with a linear motor, the bottom end of each linear motor is provided with a second cylinder, and the bottom end of each second cylinder is provided with a welding structure. The welding structure comprises a welding seat, the welding seat is installed at the bottom end of the second cylinder, a rotating groove is formed in one side of the welding seat, a rotating seat is installed in the rotating groove, a gear ring is installed on one side of the rotating seat, a driving motor is installed at the top end of the welding seat, a transmission gear is installed at the output end of the driving motor, and the transmission gear is engaged with the gear ring.
[0005] Preferably, one side of the gear ring is provided with a fixed block, one side of the fixed block is provided with a first cylinder, one end of the first cylinder is provided with a laser welding head, both sides of the linear motor are provided with guide rails, the inside of the guide rails is provided with guide blocks, and the bottom end of the guide blocks is connected with the top end of the welding seat.
[0006] Preferably, the guide blocks are provided in two groups, and the guide blocks and the guide rails are connected in a guided manner, so that the guide blocks are more stable when guiding.
[0007] Preferably, the inside of the workbench is provided with a clamping structure, the clamping structure comprises a bidirectional screw rod, the bidirectional screw rod is installed in the inside of the workbench, the outside of both ends of the bidirectional screw rod is provided with a silk cover, the top end of the silk cover is provided with a placing seat, one side of the placing seat is fixedly provided with a fixed seat, and one end of the bidirectional screw rod is provided with a servo motor.
[0008] Preferably, the top end of the fixed seat is provided with a clamping seat, the inside of the clamping seat is provided with a cavity, both ends of the inside of the cavity are provided with a piston, the top end of one end of the piston is provided with a pressing block, and the inside of the top end of the cavity is provided with a suction hole.
[0009] Preferably, both sides of the clamping seat are provided with mounting plates, the clamping blocks are hinged at the middle positions of the mounting plates, the inside of the fixed seat is provided with a bidirectional screw rod, the outside of both ends of the bidirectional screw rod is provided with a screw sleeve, and the top end of the screw sleeve is connected with the bottom end of one side of the piston.
[0010] Preferably, one side of the fixed seat is provided with a mounting box, the inside of the mounting box is provided with a worm gear, one end of the worm gear is connected with one end of the bidirectional screw rod, and one side of the worm gear is provided with a worm.
[0011] Preferably, the placing seat is provided in two groups, the two groups of placing seats are symmetrically distributed at the top end of the workbench, and the use of the two groups of placing seats makes it more convenient to weld the steel pipes.
[0012] Preferably, the suction holes are provided in multiple groups, and the multiple groups of suction holes are arranged at equal intervals on the surface of the clamping seat, so that the effect of adsorbing the steel pipes is better.
[0013] Preferably, the outside of the bidirectional screw rod is provided with external threads, the inside of the silk cover is provided with internal threads, and the bidirectional screw rod and the silk cover are connected in a threaded manner.
[0014] The automatic welding device for the power tower accessory has the advantages that the annular welding can be performed on the connecting position of the two groups of steel pipes through the welding structure, so that the welding is more convenient and the welding effect is better; and the multiple clamping of the steel pipes can be performed during the welding of the steel pipes through the clamping structure, so that the welding is more stable; When the two groups of steel pipes are aligned and welded, the position of the welding seat can be adjusted through the use of the linear motor, so that the welding of the steel pipes at different positions is more convenient; when the laser welding head moves to the welding position of the two groups of steel pipes, the gear ring can be driven to rotate through the cooperation of the motor and the transmission gear, and the rotating seat can be driven to rotate in the rotating groove during the rotation of the gear ring, so that the gear ring is guided and the rotation is more stable; Further, the gear ring drives the laser welding head to rotate during the rotation, so that the laser welding head can perform a rotary welding at the welding position of the two groups of steel pipes, so that the welding of the two groups of steel pipes is more convenient; compared with the traditional electric arc welding such as submerged arc welding and manual electric arc welding, the annular welding method can significantly adapt to the characteristics of the steel pipe annular weld, such as full-circumferential sealing and uniform stress, so as to complete the welding of the steel pipe and make the welding effect better; Further, the welding seat can be guided through the sliding of the guide block in the guide rail, so that the welding seat moves more stably, thereby completing the guiding work of the welding seat; Through the clamping structure, the steel pipe is placed on the top end of the placing seat during the welding of the accessory steel pipe, and the position of the steel pipe is positioned through the use of the positioning groove at the top end of the placing seat after the placing is completed, so that the position deviation between the two groups of steel pipes does not occur during the subsequent butt joint; Further, the double-way screw is driven to rotate through the cooperation of the worm and the worm wheel after the steel pipe is placed, and the piston is driven to move in the cavity through the cooperation of the double-way screw and the two groups of screw sleeves during the rotation of the double-way screw, so that the air in the cavity is sucked out, and the vacuum in the cavity is realized; after the vacuum in the cavity is realized, the suction hole and the outer edge surface of the steel pipe form a negative pressure cavity, and uniform suction force similar to the principle of suction cup is generated, so that the steel pipe is tightly sucked on the surface of the clamping seat to form the preliminary clamping work; Further, when the vacuum in the cavity is completed, the extrusion block at the top end of the connecting rod on one side of the cavity extrudes the bottom end of the clamping block to move to one side, so that the top end of the clamping block moves to the other side and abuts against the outer side of the steel pipe; through the use of the two clamping blocks, the steel pipe can be clamped again; Further, when the two groups of steel pipes are clamped, the two groups of placing seats can be driven to move to the middle position through the cooperation between the bidirectional screw rod and the two groups of screw sleeves, so that the two groups of steel pipes are aligned, the pushing force of the two groups of placing seats to the middle can clamp the two groups of steel pipes again, multiple clamping work of the two groups of steel pipes is realized, the two groups of steel pipes will not move randomly during welding, and the multiple clamping work is completed. BRIEF DESCRIPTION OF DRAWINGS
[0015] Figure 1 It is a front view three-dimensional structure schematic diagram of the present application; Figure 2 It is a rear view three-dimensional structure schematic diagram of the present application; Figure 3 It is a front view three-dimensional structure schematic diagram of the present application; Figure 4 It is a clamping structure front view three-dimensional structure schematic diagram of the present application; Figure 5 It is a clamping structure front view three-dimensional structure schematic diagram of the present application; Figure 6 It is a clamping seat top view three-dimensional structure schematic diagram of the present application; Figure 7 It is a clamping seat top view three-dimensional structure schematic diagram of the present application; Figure 8 It is a welding structure top view three-dimensional structure schematic diagram of the present application; Figure 9 It is a welding structure top view three-dimensional structure schematic diagram of the present application; Figure 10 It is a welding structure top view three-dimensional structure schematic diagram of the present application; Figure 11 It is a welding structure top view three-dimensional structure schematic diagram of the present application; Figure 12 It is a welding structure top view three-dimensional structure schematic diagram of the present application; Figure 13 It is a welding structure top view three-dimensional structure schematic diagram of the present application.
[0016] The figure mark explanation: 1, workbench; 2, clamping structure; 201, servo motor; 202, placing seat; 203, bidirectional screw rod; 204, screw sleeve; 205, fixed seat; 206, worm; 207, worm wheel; 208, clamping seat; 209, mounting plate; 2010, clamping block; 2011, bidirectional screw rod; 2012, screw sleeve; 2013, mounting box; 2014, piston; 2015, suction hole; 2016, cavity; 2017, extrusion block; 3, support frame; 4, linear motor; 5, welding structure; 501, guide block; 502, guide rail; 503, welding seat; 504, drive motor; 505, transmission gear; 506, gear ring; 507, rotary groove; 508, rotary seat; 509, first cylinder; 5010, fixed block; 5011, laser welding head; 6, second cylinder. DETAILED DESCRIPTION
[0017] The technical solutions in the embodiments of the present application will be described clearly and completely below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative work fall within the scope of protection of the present application.
[0018] Please refer to Figures 1-13 The present application provides an automatic welding device for power tower accessories, which comprises a workbench 1 and a second cylinder 6. The workbench 1 is provided with support frames 3 on both sides of the top end, the top end of the support frame 3 is provided with a linear motor 4, the bottom end of the linear motor 4 is provided with a second cylinder 6, and the bottom end of the second cylinder 6 is provided with a welding structure 5.
[0019] Please refer to Figures 1-7The worktable 1 is internally equipped with a clamping structure 2, which includes a bidirectional lead screw 203. The bidirectional lead screw 203 is installed inside the worktable 1. Lead sleeves 204 are installed on the outer sides of both ends of the bidirectional lead screw 203. A placement seat 202 is installed at the top of the lead sleeve 204. A fixing seat 205 is fixed to one side of the placement seat 202. A servo motor 201 is installed at one end of the bidirectional lead screw 203. A clamping seat 208 is installed at the top of the fixing seat 205. A cavity 2016 is formed inside the clamping seat 208. Pistons 2014 are installed at both ends inside the cavity 2016. A pressing block 2017 is installed at the top of one end of the piston 2014. A suction hole 2015 is formed inside the top of the cavity 2016. Mounting plates 209 are installed on both sides of the clamping seat 208. A clamping block 2010 is hinged to the middle of the mounting plate 209. The fixed base 205 houses a bidirectional screw 2011, with threaded sleeves 2012 installed on the outer sides of both ends of the bidirectional screw 2011. The top of the threaded sleeves 2012 is connected to the bottom of one side of the piston 2014. A mounting box 2013 is installed on one side of the fixed base 205, with a worm gear 207 installed inside the mounting box 2013. One end of the worm gear 207 is connected to one end of the bidirectional screw 2011, and a worm 206 is installed on one side of the worm gear 207. Two sets of placement seats 202 are provided, symmetrically distributed at the top of the worktable 1. Multiple sets of suction holes 2015 are provided, arranged at equal intervals on the surface of the clamping seat 208. The outer side of the bidirectional lead screw 203 has external threads, and the inner side of the threaded sleeve 204 has internal threads, forming a threaded connection between the bidirectional lead screw 203 and the threaded sleeve 204.
[0020] Specifically, in this embodiment, when welding the accessory steel pipes, firstly, a set of steel pipes is inserted through the welding seat 503 and placed at the top of the placement seat 202. After the steel pipes are placed, the positioning groove at the top of the placement seat 202 is used to position the steel pipes, ensuring that there is no positional shift between the two sets of steel pipes during subsequent docking, thus guaranteeing accurate docking. After the steel pipes are placed, the worker manually rotates the worm gear 206. The worm gear 206 rotates during rotation, which drives the worm wheel 207 to rotate. The worm wheel 207 rotates during its rotation. The bidirectional screw 2011 rotates, and during its rotation, it works in conjunction with two sets of screw sleeves 2012 to drive the piston 2014 to move to both sides inside the cavity 2016. As the piston 2014 continues to move inside the cavity 2016, it draws away the air inside the cavity 2016, creating a vacuum inside the cavity 2016. Once the cavity 2016 is vacuumed, the suction hole 2015 and the outer surface of the steel pipe form a negative pressure chamber, generating a uniform suction force, similar to the principle of a suction cup, thus firmly holding the steel pipe to the surface of the clamping seat 208 to form the initial clamping operation. When the cavity 2016 is vacuumized, the extrusion block 2017 at the top end of the connecting rod on one side of the piston 2014 extrudes the bottom end of the clamping block 2010 to move to one side, so that the top end of the clamping block 2010 moves to the other side, and the top end of the clamping block 2010 abuts against the outer side of the steel pipe. Through the use of the two sets of clamping blocks 2010, the steel pipe can be clamped again, and the re-clamping work is completed. When one set of steel pipes is clamped, the other set of steel pipes is clamped. When both sets of steel pipes are clamped, the external power source starts the servo motor 201. The servo motor 201 drives the bidirectional screw rod 203 to rotate after starting. The bidirectional screw rod 203 drives the two sets of placing seats 202 to move to the middle position through cooperation with the two sets of screw sleeves 204. When the two sets of placing seats 202 move, the two sets of steel pipes move to the middle position, so that the two sets of steel pipes are aligned. At this time, the thrust of the two sets of placing seats 202 to the middle can clamp the two sets of steel pipes again, so as to realize the multiple clamping work of the two sets of steel pipes, so that the two sets of steel pipes do not move during welding, and the stability of the two sets of steel pipes during welding is improved.
[0021] Referring to Figures 1-3 and Figures 1-13 The welding structure 5 comprises a welding seat 503 installed at the bottom end of the second air cylinder 6, a rotating groove 507 is formed in the inside of one side of the welding seat 503, a rotating seat 508 is installed in the inside of the rotating groove 507, a gear ring 506 is installed on one side of the rotating seat 508, a drive motor 504 is installed at the top end of the welding seat 503, a transmission gear 505 is installed at the output end of the drive motor 504, and the transmission gear 505 is engaged with the gear ring 506. A fixed block 5010 is installed on one side of the gear ring 506, a first air cylinder 509 is installed on one side of the fixed block 5010, a laser welding head 5011 is installed at one end of the first air cylinder 509, guide rails 502 are installed on both sides of the linear motor 4, guide blocks 501 are installed in the inside of the guide rails 502, and the bottom ends of the guide blocks 501 are connected with the top end of the welding seat 503. The guide blocks 501 are provided in two sets, and the guide blocks 501 and the guide rails 502 are connected in a guided manner.
[0022] Specifically, in the present embodiment, when the two groups of steel pipes are aligned for welding, the pushing of the placing seat 202 is stopped, and then the linear motor 4 is started to adjust the position of the welding seat 503. When the laser welding head 5011 moves to the welding position of the two groups of steel pipes and stops moving, the welding seat 503 slides in the guide rail 502 during movement, thereby guiding the welding seat 503, so that the welding seat 503 is more stable during movement. When the laser welding head 5011 moves to the welding position of the two groups of steel pipes, the first cylinder 509 is started to push the laser welding head 5011 to slide on the surface of the fixed block 5010, so that the laser welding head 5011 is attached to the welding position of the two groups of steel pipes. After the laser welding head 5011 is attached, the driving motor 504 is started, which drives the transmission gear 505 to rotate. The transmission gear 505 rotates to drive the gear ring 506 to rotate, which drives the rotating seat 508 to rotate in the rotating groove 507, thereby guiding the gear ring 506, so that the gear ring 506 is more stable during rotation, and the gear ring 506 does not deviate during rotation, thereby ensuring the stability of the gear ring 506 during rotation of the laser welding head 5011. The gear ring 506 rotates to drive the laser welding head 5011 to rotate, so that the laser welding head 5011 can be rotated and welded at the welding position of the two groups of steel pipes, which is more convenient for welding the two groups of steel pipes. The annular welding method can significantly adapt to the characteristics of the steel pipe annular weld, meet the requirements of full-circumferential sealing and uniform stress at the welding position, and thus complete the automatic welding of the steel pipe of the power tower accessory, which is more convenient for welding.
[0023] Although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can modify the technical solutions described in the foregoing embodiments or make equivalent replacements to some technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.
Claims
1. An automatic welding device for power transmission tower accessories, characterized in that: Includes a worktable (1) and a second cylinder (6); Support frames (3) are installed on both sides of the top of the workbench (1). A linear motor (4) is installed on the top of the support frame (3). A second cylinder (6) is installed at the bottom of the linear motor (4). A welding structure (5) is provided at the bottom of the second cylinder (6). The welding structure (5) includes a welding seat (503), which is installed at the bottom of the second cylinder (6). A rotating groove (507) is provided inside one side of the welding seat (503). A rotating seat (508) is installed inside the rotating groove (507). A gear ring (506) is installed on one side of the rotating seat (508). A drive motor (504) is installed at the top of the welding seat (503). A transmission gear (505) is installed at the output end of the drive motor (504). The transmission gear (505) meshes with the gear ring (506).
2. The automatic welding device for power tower accessories according to claim 1, characterized in that: A fixing block (5010) is installed on one side of the gear ring (506), and a first cylinder (509) is installed on one side of the fixing block (5010). A laser welding head (5011) is installed at one end of the first cylinder (509). Guide rails (502) are installed on both sides of the linear motor (4). A guide block (501) is installed inside the guide rail (502). The bottom end of the guide block (501) is connected to the top end of the welding seat (503).
3. The automatic welding device for power tower accessories according to claim 2, characterized in that: The guide block (501) is provided in two sets, and the two sets of guide blocks (501) form a guide connection with the guide rail (502).
4. The automatic welding device for power tower accessories according to claim 1, characterized in that: The workbench (1) is provided with a clamping structure (2), which includes a bidirectional lead screw (203). The bidirectional lead screw (203) is installed inside the workbench (1). A lead sleeve (204) is installed on the outer side of both ends of the bidirectional lead screw (203). A placement seat (202) is installed on the top of the lead sleeve (204). A fixing seat (205) is fixed on one side of the placement seat (202). A servo motor (201) is installed on one end of the bidirectional lead screw (203).
5. The automatic welding device for power tower accessories according to claim 4, characterized in that: The top of the fixed base (205) is equipped with a clamping base (208), and the inside of the clamping base (208) is provided with a cavity (2016). Pistons (2014) are installed at both ends inside the cavity (2016), and a squeezing block (2017) is installed at the top of one end of the piston (2014). A suction hole (2015) is provided inside the top of the cavity (2016).
6. The automatic welding device for power tower accessories according to claim 5, characterized in that: Mounting plates (209) are installed on both sides of the clamping seat (208). A clamping block (2010) is hinged at the middle position of the mounting plate (209). A bidirectional screw (2011) is installed inside the fixing seat (205). Threaded sleeves (2012) are installed on the outer sides of both ends of the bidirectional screw (2011). The top end of the threaded sleeve (2012) is connected to the bottom end of one side of the piston (2014).
7. An automatic welding device for power tower accessories according to claim 5, characterized in that: A mounting box (2013) is installed on one side of the fixed base (205). A worm gear (207) is installed inside the mounting box (2013). One end of the worm gear (207) is connected to one end of the double-acting screw (2011). A worm (206) is installed on one side of the worm gear (207).
8. An automatic welding device for power tower accessories according to claim 4, characterized in that: The placement seat (202) is provided in two sets, and the two sets of placement seats (202) are symmetrically distributed at the top of the workbench (1).
9. An automatic welding device for power tower accessories according to claim 5, characterized in that: The suction holes (2015) are provided in multiple sets, and the multiple sets of suction holes (2015) are arranged at equal intervals on the surface of the clamping seat (208).
10. An automatic welding device for power tower accessories according to claim 5, characterized in that: The outer side of the bidirectional lead screw (203) is provided with an external thread, and the inner side of the thread sleeve (204) is provided with an internal thread, forming a threaded connection between the bidirectional lead screw (203) and the thread sleeve (204).