Automatic welding equipment for circumferential weld of steel pipe tower

Abstract

The application discloses a kind of steel pipe tower ring weld automatic welding equipment of welding equipment technical field, including welding table, the surface of welding table is equipped with two groups of support table, two groups of support table are equipped with outer weld welding mechanism, the outer weld welding mechanism includes the installation ring frame A between two groups of support table, the inside of installation ring frame A is provided with ring groove A, the structure of the present application can be fixed by steel pipe tower fixing mechanism, two groups of different radius size steel pipe tower are held fixed, it is convenient for outer weld welding mechanism and inner weld welding mechanism to weld steel pipe tower, and outer weld welding mechanism and inner weld welding mechanism can be adaptively adjusted to welding position, so that steel pipe tower fixing mechanism can be adaptively adjusted after fixing steel pipe tower of different size, steel pipe tower fixing mechanism and inner weld welding mechanism can be adaptively adjusted, always keep the connecting place of two groups of steel pipe tower is stably and effectively welded.

Description

Technical Field

[0001] This invention relates to the field of welding equipment technology, specifically to an automatic welding equipment for circumferential welds of steel pipe towers. Background Technology

[0002] With the widespread application of steel structures in construction, bridges, and other fields, the reliability and safety requirements for steel pipe towers are becoming increasingly stringent. A steel pipe tower is composed of multiple steel pipes that need to be connected, and these connection points require welding. Traditionally, this welding work is usually done manually, but this method has many problems, such as difficulty in guaranteeing weld quality, low production efficiency, and high difficulty for operators.

[0003] A search revealed Chinese patent application CN2015209834028, which discloses a steel pipe tower elevation angle plane flange displacement welding device, including a flange displacement jig device and an adjustable submerged arc welding machine placement platform spaced apart on a steel foundation platform. An adjustable roller frame is provided on the steel foundation platform between the flange displacement jig device and the adjustable submerged arc welding machine placement platform. The adjustable submerged arc welding machine placement platform and the adjustable roller frame are respectively movably installed on serrated guide rails on both sides of the steel foundation platform. A submerged arc welding machine is placed on the adjustable submerged arc welding machine placement platform.

[0004] The beneficial effects of the above-mentioned device are as follows: the structure is reasonably designed, the angle of the welding part between the steel pipe and the flat flange can be adjusted, and the welding torch of the submerged arc welding machine can be adjusted according to the needs of the rotation trajectory of the welding part, realizing semi-automatic welding, reducing the labor intensity of workers, and effectively ensuring the welding quality.

[0005] However, in practical applications, existing steel pipe tower welding equipment cannot perform simultaneous welding operations due to the presence of internal and external double weld seams in the steel pipe tower. Furthermore, since the weld seam of the steel pipe tower is circumferential, the steel pipe tower needs to be adjusted to achieve complete and continuous weld seam welding, resulting in low work efficiency. Moreover, the welding position is prone to change during the movement of the steel pipe tower, leading to poor welding results. Therefore, we propose an automatic welding equipment for circumferential weld seams of steel pipe towers. Summary of the Invention

[0006] The purpose of this invention is to provide an automatic welding device for circumferential welds of steel pipe towers to solve the problems mentioned in the background art.

[0007] To achieve the above objectives, the present invention provides the following technical solution: an automatic welding device for circumferential welds of steel pipe towers, comprising a welding table, two sets of support platforms mounted on the surface of the welding table, an external weld welding mechanism mounted between the two sets of support platforms, the external weld welding mechanism including a mounting ring frame A mounted between the two sets of support platforms, an annular groove A provided inside the mounting ring frame A, a rotating ring A inserted inside the annular groove A, teeth A provided on the surface of the rotating ring A, the teeth A inserted inside the annular groove A, a connecting groove A provided on the surface of the mounting ring frame A and communicating with the annular groove A, a mounting plate A connected to the surface of the mounting ring frame A, a motor B fixedly connected to the mounting plate A, a drive gear A connected to the output shaft of the motor B, the drive gear A meshing with the teeth A, and a rotating ring A mounted on... The welding table has a welding head A. Steel pipe tower fixing mechanisms are installed on both sides of the welding table to fix the steel pipe tower. An internal weld mechanism is installed on the support platform. The internal weld mechanism includes a rack inserted into the support platform. One end of the rack is connected to a mounting ring frame B. A rotating ring B is installed inside the mounting ring frame B. A welding head B is installed on the rotating ring B. An annular groove B is provided on the inner surface of the mounting ring frame B. Teeth B are provided on the surface of the rotating ring B and are inserted into the annular groove B. A connecting groove B is provided on the surface of the mounting ring frame B and communicates with the annular groove B. A mounting plate B is connected to the surface of the mounting ring frame B. A motor F is connected to the mounting plate B. A drive gear B is connected to the output shaft of the motor F. The drive gear B and the teeth B are meshed.

[0008] Preferably, the surface of the rotating ring A is provided with a damping groove, and two sets of symmetrical damping sliders are inserted in the damping groove. A connecting rod is hinged to the damping groove through a damping shaft A. The other end of the connecting rod is connected to a damping shaft B. The damping shaft B is hinged to a protrusion provided on the surface of the fixed platform A. The welding head A is mounted on the fixed platform A.

[0009] Preferably, the cross-sections of both the damping groove and the damping slider are set to a "T" shape, and the damping slider has a damping effect when sliding in the damping groove.

[0010] Preferably, the steel pipe tower fixing mechanism includes a base connected to one side of the welding table. The surface of the base is provided with two sets of parallel limiting slide rails. The surfaces of the two sets of limiting slide rails are equipped with matching slide tables. At the same time, the surfaces of the slide tables are equipped with two sets of symmetrically distributed support plates. The two sets of support plates are distributed in a "V" shape.

[0011] Preferably, both sets of support plates can rotate on the slide.

[0012] Preferably, a limiting plate is connected to the surface of the support plate, and a motor C is connected to the surface of the support plate. The output shaft of the motor C is connected to the limiting plate in a transmission connection.

[0013] Preferably, a fixing plate is connected to the end of the base away from the welding table. A lead screw A and a limiting slide rail are inserted into the fixing plate and distributed in parallel. The slide is adapted to be installed on the lead screw A. A motor D is installed on the surface of the fixing plate, and the output shaft of the motor D is connected to the lead screw A in a transmission manner.

[0014] Preferably, the upper surface of the support platform is provided with a sliding groove, the rack is inserted into the sliding groove, the surface of the support platform is connected to a motor A, the output shaft of the motor A is connected to a control gear, the control gear and the rack are meshed, both sides of the rack are provided with limit grooves, the inner wall of the sliding groove is connected to a limit strip, and the limit strip is adapted to the limit grooves provided on the surface of the rack.

[0015] Preferably, a fixed frame is connected to the surface of the rotating ring B, and mounting seats are provided on both sides of the fixed frame. Parallel lead screws B and limiting rods are inserted between the two sets of mounting seats. A motor G is connected to the surface of the mounting seat, and the output shaft of the motor G is drivenly connected to the lead screws B. Matching movable slides are installed on the surfaces of the lead screws B and the limiting rods. A damping rod is inserted inside the movable slide, and the damping rod slides within the movable slide to provide a damping effect. One end of the damping rod is connected to a fixed platform B, and the welding head B is installed on the fixed platform B. A movable groove is provided on the surface of the fixed frame.

[0016] Preferably, one end of the rack is connected to a fixing block, the fixing block is U-shaped, a rotating plate is hinged inside the fixing block, a motor E is connected to the surface of the fixing block, the output shaft of the motor E is connected to the rotating plate, the mounting ring B is connected between the two sets of rotating plates, and an angle sensor is connected to the surface of the rotating plate.

[0017] Compared with the prior art, the beneficial effects of the present invention are:

[0018] 1. This solution, through the structural design of the steel pipe tower fixing mechanism, can support and fix two sets of steel pipe towers with different radii, facilitating welding of the steel pipe towers by the external and internal welding mechanisms. Furthermore, the welding positions of the external and internal welding mechanisms can be adaptively adjusted, ensuring that after fixing steel pipe towers of different sizes, both the steel pipe tower fixing mechanism and the internal welding mechanism can be adaptively adjusted to maintain stable and effective welding at the connection between the two sets of steel pipe towers.

[0019] 2. This solution, through the structural setup of an external weld seam welding mechanism and an internal weld seam welding mechanism, allows the two sets of steel pipe tower fixing mechanisms to reinforce and fix the two sets of steel pipe towers. The external weld seam welding mechanism can perform welding on the outside of the steel pipe tower connection, while the internal weld seam welding mechanism can be inserted inside the two sets of steel pipe towers to weld the internal connection of the steel pipe towers. This achieves double-layer welding of the steel pipe towers, and the welding work is carried out in an alternating and synchronous manner, which can improve work efficiency. Attached Figure Description

[0020] Figure 1 This is a schematic diagram of the structure of the present invention;

[0021] Figure 2 This is a schematic cross-sectional view of the structure of the present invention;

[0022] Figure 3 This is a side view of the structure of the present invention;

[0023] Figure 4 This is a top view of the structure of the present invention;

[0024] Figure 5 This is a schematic diagram of the working structure of the steel pipe tower fixing mechanism of the present invention;

[0025] Figure 6 This is a schematic diagram of the welding structure of the inner and outer welds of the present invention;

[0026] Figure 7 This is a schematic diagram of the external weld welding mechanism of the present invention;

[0027] Figure 8 This is an exploded view of the external weld seam welding mechanism structure of the present invention;

[0028] Figure 9 This is a schematic diagram of the external weld seam welding mechanism structure of the present invention;

[0029] Figure 10 This is a schematic diagram of the working structure of the steel pipe tower fixing mechanism of the present invention;

[0030] Figure 11 This is a schematic diagram of the internal weld welding mechanism of the present invention;

[0031] Figure 12 This is an exploded view of the internal weld seam welding mechanism of the present invention.

[0032] In the diagram: 1. Welding table; 2. Support platform; 201. Slide groove; 202. Limiting strip; 203. Motor A; 204. Control gear; 3. External weld welding mechanism; 301. Mounting ring frame A; 302. Rotary ring A; 303. Welding head A; 304. Ring groove A; 305. Tooth pattern A; 306. Connecting groove A; 307. Mounting plate A; 308. Motor B; 309. Drive gear A; 310. Damping groove; 311. Damping slider; 312. Damping shaft A; 313. Connecting rod; 314. Damping shaft B; 315. Fixed platform A; 316. Protrusion; 4. Steel pipe tower fixing mechanism; 401. Base; 402. Limiting slide rail; 403. Slide table; 404. Support plate; 405. 406. Limiting plate; 407. Motor C; 408. Fixing plate; 409. Lead screw A; 4000. Motor D; 5. Internal weld seam welding mechanism; 501. Rack; 502. Fixing block; 503. Rotating plate; 504. Motor E; 505. Angle sensor; 506. Mounting ring frame B; 507. Rotating ring B; 508. Welding head B; 509. Ring groove B; 510. Tooth pattern B; 511. Mounting plate B; 512. Motor F; 513. Drive gear B; 514. Connecting groove B; 515. Fixing frame; 516. Mounting base; 517. Lead screw B; 518. Limiting rod; 519. Motor G; 520. Movable slide; 521. Damping rod; 522. Fixing platform B; 523. Movable groove. Detailed Implementation

[0033] Example 1

[0034] Please see Figure 1-12 The present invention provides a technical solution:

[0035] An automatic welding device for circumferential welds of steel pipe towers includes a welding table 1 with two sets of support platforms 2 mounted on its surface. An external weld welding mechanism 3 is installed between the two sets of support platforms 2. When the steel pipe tower is placed between the two sets of support platforms 2, the weld seams of the two sets of steel pipe towers to be welded are aligned between the two sets of support platforms 2. The external weld welding mechanism 3 can then weld the weld seams of the two sets of steel pipe towers. During the welding process, the welding path of the external weld welding mechanism 3 is circular, thus enabling the external weld welding mechanism 3 to perform complete welding of the weld seams of the two sets of steel pipe towers.

[0036] Both sides of the welding table 1 are connected to steel pipe tower fixing mechanisms 4. The two sets of steel pipe tower fixing mechanisms 4 can fix the two sets of steel pipe towers and further control the translation of the two sets of steel pipe towers so that the weld seam of the two sets of steel pipe towers is located between the two sets of support platforms 2. This further facilitates the welding of the weld seam by the external weld seam welding mechanism 3. In addition, the two sets of steel pipe tower fixing mechanisms 4 can fix steel pipe towers of different radii, improving the applicability of this device.

[0037] The external weld welding mechanism 3 includes an installation ring frame A301 connected between two sets of support platforms 2. A rotating ring A302 is installed inside the installation ring frame A301, and a welding head A303 is installed on the rotating ring A302. The two sets of steel pipe towers to be welded are inserted into the installation ring frame A301 through the steel pipe tower fixing mechanism 4. The external welds of the two sets of steel pipe towers can be welded by the operation of the welding head A303. The rotating ring A302 can rotate on the installation ring frame A301, further controlling the circumferential movement of the welding head A303 on the installation ring frame A301, thereby realizing the complete circumferential welding path of the welding head A303, and further completing the welding of the external welds of the two sets of steel pipe towers.

[0038] The mounting ring frame A301 has an internal annular groove A304, into which a rotating ring A302 is inserted. The annular groove A304 limits the rotation of the rotating ring A302, allowing it to rotate stably within the groove. This further controls the welding head A303 to smoothly weld the external seam of the steel pipe tower. The surface of the rotating ring A302 has serrations A305, which are inserted into the annular groove A304. Simultaneously, the surface of the mounting ring frame A301 has a connecting groove A306 that communicates with the annular groove A304. A mounting plate A307 is connected to the surface of the mounting ring frame A301, and is fixedly connected to the mounting plate A307. There is a motor B308, and a drive gear A309 is connected to the output shaft of the motor B308. The drive gear A309 is inserted into the connecting groove A306 and passes through the connecting groove A306 to be inserted into the annular groove A304. The drive gear A309 and the tooth pattern A305 are meshed. When the motor B308 is turned on, it drives the drive gear A309 to rotate, further meshing with the tooth pattern A305 to connect the rotating ring A302 to rotate in the mounting ring frame A301, realizing the rolling of the rotating ring A302 on the mounting ring frame A301, further controlling the circumferential movement of the welding head A303 on the mounting ring frame A301, realizing a circular welding path.

[0039] The surface of the rotating ring A302 is provided with a damping groove 310, and two sets of symmetrical damping sliders 311 are inserted into the damping groove 310. The cross-section of both the damping groove 310 and the damping sliders 311 is set as "T" shaped. Therefore, the damping sliders 311 will not fall off when they slide in the damping groove 310. At the same time, the damping sliders 311 have a damping effect when sliding in the damping groove 310. Therefore, after the damping sliders 311 slide to the designated position in the damping groove 310, their position will not be offset due to the shaking of the device.

[0040] A connecting rod 313 is hinged to the damping groove 310 via a damping shaft A312. The other end of the connecting rod 313 is connected to a damping shaft B314. The damping shaft B314 is hinged to a protrusion 316 on the surface of the fixed platform A315. Therefore, when the two sets of damping sliders 311 slide and change the distance in the damping groove 310, they will control the two sets of connecting rods 313 to rotate and adjust the position of the fixed platform A315. This controls the fixed platform A315 to slide linearly relative to the center of the rotating ring A302. The welding head A303 is installed on the fixed platform A315, further controlling the position of the welding head A303 relative to the center of the rotating ring A302. When the steel pipe tower fixing mechanism 4 inserts steel pipe towers of different models into the installation ring frame A301, the position of the fixed platform A315 is adjusted so that the welding head A303 can maintain the welding effect on the outer weld of the steel pipe tower, thereby achieving a complete and continuous welding operation. This is suitable for steel pipe towers of different radii.

[0041] The steel pipe tower fixing mechanism 4 includes a base 401 connected to one side of the welding table 1. The surface of the base 401 is provided with two sets of parallel limiting slide rails 402. The surfaces of the two sets of limiting slide rails 402 are equipped with matching slide tables 403. At the same time, the surfaces of the slide tables 403 are equipped with two sets of symmetrically distributed support plates 404. The two sets of support plates 404 are distributed in a "V" shape. Therefore, steel pipe towers of different radii can be placed on the slide tables 403 for fixing. The two sets of support plates 404 provide stable support for the steel pipe towers. The two sets of support plates 404 can rotate on the slide tables 403 to further adjust the support angle of the two sets of support plates 404 for steel pipe towers of different radii. This allows steel pipe towers of different radii to be placed on the steel pipe tower fixing mechanism 4. The steel pipe towers and the mounting ring frame A301 can be controlled to be distributed in concentric circles, which facilitates welding by the external weld welding mechanism 3.

[0042] Simultaneously, a limiting plate 405 is connected to the surface of the support plate 404, and a motor C406 is connected to the surface of the support plate 404. The output shaft of the motor C406 is connected to the limiting plate 405 for transmission. The motor C406 is opened to control the limiting plate 405 to rotate on the support plate 404. Different angles are formed between the support plate 404 and the limiting plate 405 to further reinforce and fix steel pipe towers of different radii, ensuring the stable installation of the steel pipe tower fixing mechanism 4 on the steel pipe tower. This prevents the steel pipe tower from shaking and shifting during transportation, which could lead to inaccurate welding of the external weld seam by the external weld seam welding mechanism 3. At the same time, motors C406 are hinged to both sets of support plates 404 and are independently controlled by the two sets of motors C406, further improving the stability of the steel pipe tower fixing mechanism 4 in supporting the steel pipe tower.

[0043] A fixing plate 407 is connected to the end of the base 401 away from the welding table 1. A lead screw A408 and a limiting slide rail 402 are inserted into the fixing plate 407 and are distributed in parallel. A slide table 403 is installed on the lead screw A408 in a matching manner. At the same time, a motor D409 is installed on the surface of the fixing plate 407. The output shaft of the motor D409 is connected to the lead screw A408. When the motor D409 is turned on, it drives the lead screw A408 to rotate in the slide table 403, further controlling the slide table 403 to slide linearly on the surface of the limiting slide rail 402, changing the distance between the slide table 403 and the welding table 1, and controlling the displacement of the steel pipe tower supported on the steel pipe tower fixing mechanism 4.

[0044] Both sides of the welding table 1 are equipped with steel pipe tower fixing mechanisms 4. By operating the two sets of steel pipe tower fixing mechanisms 4, the two sets of steel pipe towers can be controlled to move horizontally, and further move the outer weld between the two sets of steel pipe towers to the outer weld welding mechanism 3, thereby controlling the outer weld welding mechanism 3 to accurately weld the outer weld of the two sets of steel pipe towers.

[0045] The surface of the support platform 2 is provided with a sliding groove 201. The inner weld welding mechanism 5 includes a rack 501 inserted into the sliding groove 201. At the same time, a motor A203 is connected to the surface of the support platform 2. A control gear 204 is connected to the output shaft of the motor A203. The control gear 204 and the rack 501 are meshed. When the motor A203 is turned on, it drives the control gear 204 to rotate, further meshing the rack 501 to slide in the sliding groove 201. This can control the sliding of the inner weld welding mechanism 5 on the support platform 2 and change the relative position of the inner weld welding mechanism 5. Limit grooves are provided on both sides of the rack 501, and a limit strip 202 is connected to the inner wall of the sliding groove 201. The limit strip 202 is adapted to the limit grooves provided on the surface of the rack 501. Therefore, the rack 501 is limited and supported by the limit strip 202, which can ensure the smoothness and stability of the rack 501 sliding in the sliding groove 201.

[0046] One end of the rack 501 is connected to the mounting ring frame B506. Inside the mounting ring frame B506, a rotating ring B507 is installed. A welding head B508 is installed on the rotating ring B507. The welding head B508 is inserted into the steel pipe tower fixed on the steel pipe tower fixing mechanism 4. At the same time, the rotating ring B507 can rotate on the mounting ring frame B506, further controlling the circumferential movement of the welding head B508 on the mounting ring frame B506. This allows the welding head B508 to weld the inner welds of the two sets of steel pipe towers.

[0047] The inner surface of the mounting ring frame B506 has an annular groove B509, and the surface of the rotating ring B507 has teeth B510, which are inserted into the annular groove B509. The surface of the mounting ring frame B506 also has a connecting groove B514 that communicates with the annular groove B509. A mounting plate B511 is connected to the surface of the mounting ring frame B506, and a motor F512 is connected to the mounting plate B511. A drive gear B is connected to the output shaft of the motor F512. 513 is inserted into the connecting slot B514, and the drive gear B513 passes through the connecting slot B514 and is inserted into the annular groove B509. The drive gear B513 and the toothed B510 are meshed and connected. When the motor F512 is turned on, it drives the drive gear B513 to rotate. Furthermore, the drive gear B513 meshes with the toothed B510 to drive the rotating ring B507 to rotate, thereby controlling the rotation of the welding head B508 installed on the rotating ring B507 to weld the inner weld of the steel pipe tower.

[0048] A fixed frame 515 is connected to the surface of the rotating ring B507. Mounting seats 516 are provided on both sides of the fixed frame 515, and parallel lead screws B517 and limiting rods 518 are inserted between the two sets of mounting seats 516. A motor G519 is connected to the surface of the mounting seat 516. The output shaft of the motor G519 is connected to the lead screw B517. Matching movable slides 520 are mounted on the surfaces of the lead screw B517 and the limiting rod 518. When the motor G519 drives the lead screw B517... When 17 rotates, it controls the movable slide 520 to slide linearly on the surface of the lead screw B517 and the limit rod 518. At the same time, a damping rod 521 is inserted inside the movable slide 520. One end of the damping rod 521 is connected to the fixed platform B522. The welding head B508 is installed on the fixed platform B522. Therefore, by sliding the damping rod 521 inside the movable slide 520, the extension length of the fixed platform B522 can be changed, thereby adjusting the distance between the welding head B508 and the mounting ring B506.

[0049] When the steel pipe tower fixing mechanism 4 operates on the steel pipe tower, the motor A203 first drives the control gear 204 to rotate, controlling the rack 501 to push the mounting ring B506 away from the welding table 1 until the distance between the inner weld welding mechanism 5 and the welding table 1 is greater than the length of the steel pipe tower. At this time, the steel pipe tower is fixed by the steel pipe tower fixing mechanism 4. After fixing, the two sets of steel pipe towers are controlled to move horizontally so that the two sets of steel pipe towers are just inserted between the outer weld welding mechanism 3. The outer weld welding mechanism 3 can align and weld the outer welds of the two sets of steel pipe towers. Then, the damping rod 521 is pulled and slids within the movable slide table 520 until the fixed table B522 aligns with the outer weld. The positions of the inner welds of the two sets of steel pipe towers are aligned so that the welding head B508 can weld the inner welds of the two sets of steel pipe towers. The damping rod 521 slides within the movable slide 520 to provide damping. After the damping rod 521 is pulled out to a certain length within the movable slide 520, it will be fixed and will not cause the position of the fixed platform B522 to shift. Furthermore, by driving the movable slide 520 to slide on the fixed frame 515 through the motor G519, the center position of the fixed platform B522 relative to the mounting ring frame B506 can be changed, further adjusting the distance between the welding head B508 and the inner welds of the steel pipe towers, and controlling the welding head B508 to weld the inner welds of the steel pipe towers.

[0050] Furthermore, the surface of the fixing frame 515 is provided with a movable groove 523 for the damping rod 521 to pass through, which facilitates the position adjustment of the fixing platform B522;

[0051] Furthermore, after the steel pipe tower fixing mechanism 4 fixes the steel pipe tower, the outer weld welding mechanism 3, the inner weld welding mechanism 5, and the steel pipe tower are all arranged in concentric circles. Therefore, when the rotating ring B507 rotates within the installation ring frame B506, it can control the welding head B508 to perform complete path welding on the inner weld of the steel pipe tower, thereby improving work efficiency.

[0052] Furthermore, by aligning the inner weld seam of the steel pipe tower with welding head B508, and simultaneously aligning the outer weld seam of the steel pipe tower with welding head A303, and by staggering welding heads B508 and A303, it is possible to control the synchronous operation of the outer weld seam welding mechanism 3 and the inner weld seam welding mechanism 5, thereby simultaneously performing incorrect welding on the inner and outer weld seams of the steel pipe tower, improving welding efficiency, and avoiding the difficulty of simultaneously welding the inner ring weld seam at the same position.

[0053] One end of the rack 501 is connected to a fixing block 502, which is U-shaped. A rotating plate 503 is hinged inside the fixing block 502. A motor E504 is connected to the surface of the fixing block 502. The output shaft of the motor E504 is connected to the rotating plate 503. Therefore, when the motor E504 is turned on, it drives the rotating plate 503 to rotate. The mounting ring frame B506 is connected between the two sets of rotating plates 503. The angle of the mounting ring frame B506 can be further adjusted. Since some steel pipe towers are frustoconical, the welding head B508 is tilted so that the welding head B508 can weld the steel pipe tower from different angles, improving the adaptability of the device. An angle sensor 505 is connected to the surface of the rotating plate 503, which can control the tilt angle of the mounting ring frame B506 and facilitate the setting of the tilt angle of the welding head B508.

[0054] Furthermore, when this device welds the inner ring weld of the steel pipe tower through the outer weld welding mechanism 3 and the inner weld welding mechanism 5, a complete circular welding path is achieved through the circumferential movement of the outer weld welding mechanism 3 and the inner weld welding mechanism 5. There is no need to move the fixed steel pipe tower, which avoids the displacement of the weld and the resulting difference in welding position. At the same time, it avoids the movement of the steel pipe tower, which could cause damage to the welded part and improve the integrity of the weld.

Claims

1. An automatic welding device for circumferential welds of steel pipe towers, comprising a welding table (1), characterized in that: Two sets of support platforms (2) are mounted on the surface of the welding station (1). An external weld welding mechanism (3) is installed between the two sets of support platforms (2). The external weld welding mechanism (3) includes a mounting ring frame A (301) installed between the two sets of support platforms (2). An annular groove A (304) is provided inside the mounting ring frame A (301). A rotating ring A (302) is inserted inside the annular groove A (304). A toothed pattern A (305) is provided on the surface of the rotating ring A (302). The toothed pattern A (305) is inserted inside the annular groove A (304). The surface of the mounting ring frame A (301) is provided with a connecting groove A (306) and an annular groove A (304) that are internally connected. The surface of the mounting ring frame A (301) is connected to a mounting plate A (307). A motor B (308) is fixedly connected to the mounting plate A (307). A drive gear A (309) is connected to the output shaft of the motor B (308). The drive gear A (309) and the tooth pattern A (305) are meshed. A welding head A (303) is installed on the rotating ring A (302). Steel pipe towers are fixed on both sides of the welding table (1). Mechanism (4), the steel pipe tower fixing mechanism (4) is used to fix the steel pipe tower, the support platform (2) is equipped with an internal weld welding mechanism (5), the internal weld welding mechanism (5) includes a rack (501) inserted on the support platform (2), one end of the rack (501) is connected to an installation ring frame B (506), the installation ring frame B (506) is equipped with a rotating ring B (507), the rotating ring B (507) is equipped with a welding head B (508), the inner surface of the installation ring frame B (506) is provided with an annular groove B (509), the rotating ring B (508) is equipped with a welding head B (508), the rotating ring B (507 ... The surface of ring B (507) is provided with toothed grooves B (510), which are inserted into the annular groove B (509). The surface of the mounting ring frame B (506) is provided with a connecting groove B (514) which is connected to the annular groove B (509). The surface of the mounting ring frame B (506) is connected to a mounting plate B (511), and a motor F (512) is connected to the mounting plate B (511). A drive gear B (513) is connected to the output shaft of the motor F (512), and the drive gear B (513) meshes with the toothed grooves B (510). The surface of the rotating ring A (302) is provided with a damping groove (310), and two sets of symmetrical damping sliders (311) are inserted in the damping groove (310). A connecting rod (313) is hinged to the damping groove (310) through a damping shaft A (312). The other end of the connecting rod (313) is connected to a damping shaft B (314). The damping shaft B (314) is hinged to a protrusion (316) provided on the surface of the fixed platform A (315). The welding head A (303) is mounted on the fixed platform A (315). The surface of the rotating ring B (507) is connected to a fixing frame (515). Mounting seats (516) are provided on both sides of the fixing frame (515). Parallel lead screws B (517) and limiting rods (518) are inserted between the two sets of mounting seats (516). A motor G (519) is connected to the surface of the mounting seat (516). The output shaft of the motor G (519) is connected to the lead screw B (517) via a transmission connection. The surface of the limiting rod (518) is fitted with a matching movable slide (520). A damping rod (521) is inserted inside the movable slide (520). The damping rod (521) slides within the movable slide (520) and has a damping effect. One end of the damping rod (521) is connected to a fixed platform B (522). The welding head B (508) is mounted on the fixed platform B (522). The surface of the fixed frame (515) is provided with a movable groove (523).

2. The automatic welding equipment for circumferential welds of steel pipe towers according to claim 1, characterized in that: The cross-sections of the damping groove (310) and the damping slider (311) are both set to "T" shape. The damping slider (311) slides in the damping groove (310) and has a damping effect.

3. The automatic welding equipment for circumferential welds of steel pipe towers according to claim 1, characterized in that: The steel pipe tower fixing mechanism (4) includes a base (401) connected to one side of the welding table (1). The surface of the base (401) is provided with two sets of parallel limiting slide rails (402). The surfaces of the two sets of limiting slide rails (402) are equipped with matching slide tables (403). At the same time, the surfaces of the slide tables (403) are equipped with two sets of symmetrically distributed support plates (404). The two sets of support plates (404) are distributed in a "V" shape.

4. The automatic welding equipment for circumferential welds of steel pipe towers according to claim 3, characterized in that: Both sets of support plates (404) can rotate on the slide (403).

5. The automatic welding equipment for circumferential welds of steel pipe towers according to claim 4, characterized in that: The surface of the support plate (404) is hinged to a limiting plate (405), and a motor C (406) is connected to the surface of the support plate (404). The output shaft of the motor C (406) is connected to the limiting plate (405) in a transmission connection.

6. The automatic welding equipment for circumferential welds of steel pipe towers according to claim 3, characterized in that: The base (401) is connected to a fixed plate (407) at one end away from the welding table (1). A lead screw A (408) and a limiting slide rail (402) are inserted on the fixed plate (407) and are distributed in parallel. The slide table (403) is installed on the lead screw A (408) in a matching manner. A motor D (409) is installed on the surface of the fixed plate (407). The output shaft of the motor D (409) is connected to the lead screw A (408) in a transmission connection.

7. The automatic welding equipment for circumferential welds of steel pipe towers according to claim 1, characterized in that: The upper surface of the support platform (2) is provided with a slide groove (201), the rack (501) is inserted in the slide groove (201), the surface of the support platform (2) is connected to a motor A (203), the output shaft of the motor A (203) is connected to a control gear (204), the control gear (204) and the rack (501) are meshed, both sides of the rack (501) are provided with limit grooves, the inner wall of the slide groove (201) is connected to a limit strip (202), the limit strip (202) and the limit grooves provided on the surface of the rack (501) are compatible.

8. The automatic welding equipment for circumferential welds of steel pipe towers according to claim 1, characterized in that: One end of the rack (501) is connected to a fixing block (502), the fixing block (502) is set in a "U" shape, a rotating plate (503) is hinged inside the fixing block (502), a motor E (504) is connected to the surface of the fixing block (502), the output shaft of the motor E (504) is connected to the rotating plate (503) in a transmission connection, the mounting ring B (506) is connected between the two sets of rotating plates (503), and an angle sensor (505) is connected to the surface of the rotating plate (503).

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