Tubular steel member welding machine based on constructional engineering and welding method thereof

Abstract

The invention belongs to the technical field of steel member welding, and particularly relates to a tubular steel member welding machine based on constructional engineering, which comprises a welding machine body, a driving piece, a detection piece, a support frame and a support piece, the welding machine body is arranged on a bottom plate through a bracket and is positioned above the driving piece, and the detection piece is arranged on the bottom plate under the welding machine body and is positioned above the support frame. Supporting frames are arranged on the bottom plate at the two ends of the driving piece, and supporting pieces are further arranged on the bottom plate at the positions of the supporting frames. According to the tubular steel component welding device, the two tubular steel components are clamped and fixed through the driving part, it is ensured that the tubular steel components can be effectively driven, the two tubular steel components are driven by the servo motor to synchronously rotate on the driving part, and therefore it is ensured that the two tubular steel components synchronously rotate, and the welding quality and efficiency of the tubular steel components are improved; and meanwhile, a sound wave detector is used for detecting a welding seam during welding, so that welding defects are found in time, timely treatment is facilitated, and the working efficiency and the qualified rate of products are improved.

Description

Technical Field

[0001] The present invention relates to the technical field of steel member welding, and specifically to a welding machine for tubular steel members based on construction engineering and a welding method thereof. Background Art

[0002] During the construction process in the field of construction engineering, a large number of steel members are used for erecting scaffolding, building building frames, and strengthening structures. Among these steel members, tubular steel members of various different sizes play an important role. According to different usage methods, when the lengths of the tubular steel members do not match, welding equipment is required to weld and connect the tubular steel members.

[0003] After retrieval, a welding machine for tubular steel members based on construction engineering and a welding method thereof with a Chinese patent application number of 202410699025.9 includes a main body and a connecting block. The connecting block is fixedly connected to the top of the main body. An adjustment groove is formed through the front of the main body, and two movable holes are fixedly connected to the top of the main body. It also includes a spacing control mechanism arranged on the top of the connecting block, and the spacing control mechanism includes two sliding frames. When welding a relatively heavy tubular steel structure, the present invention replaces the way of manually transporting the tubular steel structure to the tubular steel structure welding machine, reducing labor. After the two steel structures are placed and transmitted between two groups of placing frames, it is convenient for manual pushing of the tubular steel structure to move on the outer walls of multiple moving wheel groups on the two groups of placing frames, so as to facilitate the adjustment of the positions of the two tubular steel structures, and avoid the difficulty of welding the tubular steel structure due to the large spacing between the two tubular steel structures.

[0004] In the above technical solution, after the moving support mechanism withdraws the support for the tubular steel member, the tubular steel member is placed on the rotating roller and the stable rotating wheel. During welding, the two tubular structures are driven to rotate synchronously by the rotating roller and the stable rotating wheel to weld the two tubular steel structures. However, the tubular steel member presses on the rotating roller and the stable rotating wheel by its own weight. It is necessary to ensure that effective frictional resistance can be generated between the two to perform effective driving. When the weight is not sufficient to generate effective resistance, effective driving cannot be guaranteed. At the same time, the two tubular steel members are not clamped and fixed, and it cannot be guaranteed to effectively achieve synchronous rotation of the two, affecting the welding quality and efficiency. Summary of the Invention

[0005] (1) Technical Problems to be Solved

[0006] In view of the deficiencies of the prior art, the present invention provides a welding machine for tubular steel members based on construction engineering and a welding method thereof, which solves the problems that when the weight of the tubular steel member is not sufficient to generate an effective resistance, effective driving cannot be guaranteed, and at the same time, the two tubular steel members are not clamped and fixed, and the synchronous rotation of the two cannot be effectively achieved, affecting the welding quality and efficiency.

[0007] (II) Technical Solution

[0008] The present invention specifically adopts the following technical solutions to achieve the above objectives:

[0009] A welding machine for tubular steel members based on construction engineering includes a welding machine body, a driving member, a detecting member, a support frame and a supporting member. The welding machine body is placed on a bottom plate through a bracket and is located above the driving member. A detecting member is placed on the bottom plate directly below the welding machine body. Support frames are placed on the bottom plate at both ends of the driving member, and supporting members are also placed on the bottom plate at the position of the support frames.

[0010] Further, the driving member further includes a support seat. A sleeve is placed through the support seat. The sleeve is rotatably connected to the support seat through a bearing seat. A toothed ring arranged on the outer wall of the sleeve meshes with a driving gear. The driving gear is fixedly connected to a transmission shaft. One end of the transmission shaft is in transmission connection with a servo motor.

[0011] A clamping arc plate is also arranged on the sleeve. An anti-slip soft rubber lining is fixedly connected to the clamping arc plate. The clamping arc plate is fixedly connected to a first hydraulic telescopic rod. The first hydraulic telescopic rod is placed through a placement hole opened at the corresponding position on the sleeve and is fixedly connected to the sleeve.

[0012] Further, the detecting member further includes an acoustic wave detector. A contact head is arranged on the acoustic wave detector. The acoustic wave detector is fixedly connected to an electric telescopic rod. The lower end of the electric telescopic rod is fixedly connected to the bottom plate through a base.

[0013] Further, the support frame includes a matching placement frame. Equally spaced rollers are arranged on the placement frame. The rollers are rotatably connected to a connecting plate through a rotating shaft. The connecting plate is fixedly connected to the placement frame.

[0014] A first connecting ear plate and a second connecting ear plate are also arranged on the placement frame. The second connecting ear plate is rotatably connected to a connecting strut through a pin shaft. The connecting strut is fixedly connected to the bottom plate. The first connecting ear plate is rotatably connected to a connecting seat at one end of a second hydraulic telescopic rod through a pin shaft. The connecting seat at the other end is rotatably connected to a pin shaft seat through a pin shaft. The pin shaft seat is fixedly connected to the bottom plate.

[0015] Furthermore, the support member also includes a supporting arc plate, on which evenly distributed balls are arranged, the balls are rollingly arranged in a seating seat, the seating seat is fixedly embedded in the supporting arc plate, and the supporting arc plate is fixedly connected to the third hydraulic telescopic rod, and the third hydraulic telescopic rod is fixedly connected to the base plate through a rod seat.

[0016] A welding method of a tubular steel component welding machine based on construction engineering, comprising the following steps:

[0017] S1. Place all tubular steel components to be welded on the roller of the support frame, then push the roller of the tubular steel component on the placement frame to slide, so that the welding part of the tubular steel component passes through the sleeve of the driving member and is pushed to the bottom of the welding machine body. Another tubular steel component is placed on another support frame in the same way, and its position is adjusted so that the welding parts of the two tubular steel components are in contact with each other;

[0018] S2, then, the third hydraulic telescopic rod is turned on to push the supporting arc plate to move to the lower part of the tubular steel member to support the tubular steel member, then the first hydraulic telescopic rod on the casing is turned on to operate, and the clamping arc plate is pushed to contact the tubular steel member, thereby clamping and fixing the tubular steel member in the casing, then the second hydraulic telescopic rod is turned on to rotate the placement frame on the connecting support rod to separate the roller from the tubular steel member, and finally, the electric telescopic rod is turned on to drive the acoustic wave detector to move the contact to contact the welding position of the tubular steel members;

[0019] S3. After completing the above operations, the welding machine body is turned on to weld the tubular steel member. At the same time, the servo motor is turned on to rotate the driving gear through the transmission shaft, and cooperates with the gear ring during the rotation process to drive the sleeve to rotate on the support seat, thereby rotating the two tubular steel members together to adjust the welding position, thereby completing the welding. At the same time, during the rotation process, the ultrasonic detector detects the welding part of the tubular steel member, and transmits the detection result to the background terminal for the operator to directly view;

[0020] S4. After welding and testing are completed, the second hydraulic telescopic rod is turned on to drive the placement frame to reset with the roller and support it on the tubular steel member again. At the same time, the clamping arc plate, the acoustic wave detector and the supporting arc plate are also reset. Finally, the support frame pushes the welded tubular steel member to slide, withdraw it from the sleeve of the driving member, and move it away through other auxiliary handling equipment.

[0021] (III) Beneficial effects

[0022] Compared with the prior art, the present invention provides a tubular steel component welding machine and a welding method thereof based on construction engineering, which have the following beneficial effects:

[0023] In the present invention, a driving member is used to clamp and fix two tubular steel members to ensure effective driving of the tubular steel members. A servo motor is used to drive the two tubular steel members to rotate synchronously on the driving member, thereby ensuring their synchronous rotation, improving the welding quality and efficiency of the tubular steel members. At the same time, during welding, a sound wave detector is used to detect the weld seam, promptly discover welding defects, facilitate timely processing, and improve work efficiency and the qualified rate of products. BRIEF DESCRIPTION OF THE DRAWINGS

[0024] Figure 1 is a schematic structural diagram of the present invention;

[0025] Figure 2 is a schematic structural diagram of the driving member in the present invention;

[0026] Figure 3 is a schematic structural diagram of the detection member in the present invention;

[0027] Figure 4 is a schematic structural diagram of the support frame in the present invention;

[0028] Figure 5 is a schematic structural diagram of the support member in the present invention.

[0029] In the figure: 1, base plate; 2, bracket; 3, welding machine body; 4, driving member; 401, support seat; 402, sleeve; 403, gear ring; 404, driving gear; 405, transmission shaft; 406, servo motor; 407, clamping arc plate; 408, first hydraulic telescopic rod; 5, detection member; 501, base; 502, electric telescopic rod; 503, sound wave detector; 504, contact head; 6, support frame; 601, mounting frame; 602, connecting plate; 603, roller; 604, rotating shaft; 605, first connecting ear plate; 606, second hydraulic telescopic rod; 607, connecting seat; 608, pin shaft seat; 609, second connecting ear plate; 610, connecting brace; 7, support member; 701, supporting arc plate; 702, ball; 703, third hydraulic telescopic rod; 704, rod seat. DETAILED DESCRIPTION OF THE EMBODIMENTS

[0030] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0031] Embodiment

[0032] As Figure 1As shown in the figure, an embodiment of the present invention provides a welding machine for tubular steel members based on construction engineering, which includes a welding machine body 3, a driving member 4, a detecting member 5, a support frame 6 and a supporting member 7. The welding machine body 3 is arranged on the bottom plate 1 through a bracket 2 and is located above the driving member 4, facilitating effective welding of the placed tubular steel members. The welding machine body 3 is a known publicly available technical means, so no more details will be given here. At the same time, a driving member for driving the welding machine body 3 to move up and down is also arranged on the bracket 2. When the tubular steel member cannot be effectively contacted with the welding machine body 3, its position is appropriately adjusted for effective welding. A detecting member 5 is arranged on the bottom plate 1 directly below the welding machine body 3, and support frames 6 are arranged on the bottom plate 1 at both ends of the driving member 4. A supporting member 7 is also arranged on the bottom plate 1 at the position of the support frame 6;

[0033] Among them, during use, the support frame 6 is used to temporarily support the tubular steel member to be welded, facilitating the smooth placement of the tubular steel member. The driving member 4 is used to drive the tubular steel member to rotate, complete the smooth adjustment of the welding position, and thus complete the welding, improving the welding efficiency and quickly completing the welding. The supporting member 7 is used to support the tubular steel member when it rotates, facilitating the smooth driving of the tubular steel member. The detecting member 5 is used to detect the quality of the weld after welding, enabling the operator to timely understand the welding quality and improving the work efficiency.

[0034] As Figure 1 and Figure 2 shown in the figure, in some embodiments, the driving member 4 further includes a support seat 401. A sleeve 402 is arranged through the support seat 401. The sleeve 402 is rotatably connected to the support seat 401 through a bearing seat, facilitating the smooth rotation of the sleeve 402 on the support seat 401. A gear ring 403 arranged on the outer wall of the sleeve 402 meshes with a driving gear 404. The driving gear 404 is fixedly connected to a transmission shaft 405. Both ends of the transmission shaft 405 are rotatably connected to the support seat 401 through bearings. One end of the transmission shaft 405 is in transmission connection with a servo motor 406. The servo motor 406 is a known publicly available technical means, so no more details will be given here. Thus, when the servo motor 406 operates, through the cooperation of the transmission shaft 405 and the driving gear 404, the gear ring 403 drives the sleeve 402 to rotate on the support seat 401;

[0035] A clamping arc plate 407 is also arranged on the sleeve 402. A non-slip soft rubber lining is fixedly connected to the clamping arc plate 407, which is convenient for increasing the contact efficiency between the clamping arc plate 407 and the tubular steel member, increasing the frictional resistance, so as to ensure that the sleeve 402 can drive the clamped tubular steel member to rotate together through the clamping arc plate 407, realizing the effective driving of the tubular steel member and completing the debugging operation of the welding position. The clamping arc plate 407 is fixedly connected to the first hydraulic telescopic rod 408. The first hydraulic telescopic rod 408 is a known and publicly disclosed technical means, so no more details will be described here. Moreover, the first hydraulic telescopic rod 408 is arranged in a penetrating manner in the placement hole opened at the corresponding position on the sleeve 402 and is fixedly connected to the sleeve 402 to ensure that the first hydraulic telescopic rod 408 is stably installed on the sleeve 402, so as to smoothly drive the clamping arc plate 407 to move and abut against the tubular steel member, clamping and fixing it, so as to facilitate the subsequent rotation of the sleeve 402 and the tubular steel member together on the support base 401 to complete the welding position debugging operation.

[0036] As Figure 1 and Figure 3 shown, in some embodiments, the detector 5 further includes an acoustic wave detector 503. The acoustic wave detector 503 uses a common ultrasonic flaw detector in the market, which is a known and publicly disclosed technical means, so no more details will be described here. It is used to detect the internal defects of the weld of the tubular steel member. By emitting high-frequency acoustic waves and analyzing the reflected signals, the position and nature of the defects can be judged, which is convenient for timely understanding the quality and efficiency of welding. A contact 504 is arranged on the acoustic wave detector 503, and the acoustic wave detector 503 is fixedly connected to the electric telescopic rod 502. The lower end of the electric telescopic rod 502 is fixedly connected to the bottom plate 1 through the base 501, which is convenient for driving the acoustic wave detector 503 to smoothly move and abut against the tubular steel member, so as to smoothly complete the weld of the tubular steel member.

[0037] As Figure 1 and Figure 4 shown, in some embodiments, the support frame 6 includes a matching placement frame 601. A plurality of rollers 603 are arranged on the placement frame 601 at equal intervals. The rollers 603 are rotatably connected to the connecting plate 602 through the rotating shaft 604, and the connecting plate 602 is fixedly connected to the placement frame 601. The rotating shaft 604 and the connecting plate 602 are used to stably install the rollers 603 on the placement frame 601, so as to ensure that the tubular steel member can be smoothly pushed and slid on the placement frame 601, improving the convenience of operation;

[0038] The mounting frame 601 is also provided with a first connecting ear plate 605 and a second connecting ear plate 609. The second connecting ear plate 609 is rotatably connected to the connecting strut 610 through a pin shaft. The connecting strut 610 is fixedly connected to the bottom plate 1. And the first connecting ear plate 605 is rotatably connected to the connecting seat 607 at one end of the second hydraulic telescopic rod 606 through a pin shaft, and the connecting seat 607 at the other end is rotatably connected to the pin shaft seat 608 through a pin shaft. The second hydraulic telescopic rod 606 is a known and publicly disclosed technical means, so no more details will be given here. The pin shaft seat 608 is fixedly connected to the bottom plate 1, which is convenient for the mounting frame 601 to be stably installed on the bottom plate 1. Furthermore, two opposite mounting frames 601 can cooperate with each other to form a support frame 6, ensuring smooth placement of the tubular steel member. At the same time, the second hydraulic telescopic rod 606 can drive the mounting frame 601 to deflect on the bottom plate 1 with the roller 603 during operation, so that the roller 603 and the mounting frame 601 cooperate to stably and effectively support the tubular steel member. It can also separate the roller 603 from the tubular steel member with the mounting frame 601 to cancel the support for the tubular steel member, avoiding obstruction to the tubular steel member when the driving member 4 drives the tubular steel member to rotate, ensuring smooth driving of the tubular steel member to rotate and completing the welding position debugging.

[0039] As Figure 1 and Figure 5 shown, in some embodiments, the support member 7 further includes a supporting arc plate 701. Uniformly distributed balls 702 are arranged on the supporting arc plate 701. The balls 702 are rotatably arranged in the mounting seats, and the mounting seats are fixedly embedded in the supporting arc plate 701, which is convenient for stably installing the balls 702 on the supporting arc plate 701, thereby reducing the frictional resistance between the supporting arc plate 701 and the tubular steel member, enabling the tubular steel member to smoothly rotate on the supporting arc plate 701, smoothly completing the debugging of the welding part of the tubular steel member, thus completing the welding of the tubular steel member and improving the welding efficiency. And the supporting arc plate 701 is fixedly connected to the third hydraulic telescopic rod 703. The third hydraulic telescopic rod 703 is a known and publicly disclosed technical means, so no more details will be given here. The third hydraulic telescopic rod 703 is fixedly connected to the bottom plate 1 through the rod seat 704, which is convenient for stably installing the third hydraulic telescopic rod 703. Thus, it drives the supporting arc plate 701 to move up and down, uses the supporting arc plate 701 to support the tubular steel member well, ensures that after the support frame 6 cancels the support for the tubular steel member, the tubular steel member can be supported well, and then it is stably clamped and fixed in the driving member 4, so as to facilitate the driving member 4 to effectively drive the tubular steel member and debug the welding position to smoothly complete the welding.

[0040] A welding method for a tubular steel member welding machine based on construction engineering includes the following steps:

[0041] S1. Place all tubular steel components to be welded on the roller 603 of the support frame 6, then push the roller 603 on the placement frame 601 of the tubular steel component to slide, so that the welding part of the tubular steel component passes through the sleeve 402 of the driving member 4 and is pushed to the bottom of the welding machine body 3. Another tubular steel component is placed on another support frame 6 in the same way, and its position is adjusted so that the welding parts of the two tubular steel components are in contact with each other;

[0042] S2, then, the third hydraulic telescopic rod 703 is turned on, and the supporting arc plate 701 is pushed to move to the lower part of the tubular steel member to support the tubular steel member. Then, the first hydraulic telescopic rod 408 on the sleeve 402 is turned on to operate, and the clamping arc plate 407 is pushed to contact the tubular steel member, thereby clamping and fixing the tubular steel member in the sleeve 402. Then, the second hydraulic telescopic rod 606 is turned on, and the placement frame 601 is rotated on the connecting support rod 610 to separate the roller 603 from the tubular steel member. Finally, the electric telescopic rod 502 is turned on, and the acoustic wave detector 503 is driven to move with the contact 504 to contact the welding position of the tubular steel members.

[0043] S3. After completing the above operations, the welding machine body 3 is turned on to weld the tubular steel member. At the same time, the servo motor 406 is turned on to rotate the driving gear 404 through the transmission shaft 405, and cooperates with the gear ring 403 during the rotation process to drive the sleeve 402 to rotate on the support seat 401, thereby rotating the two tubular steel members together to debug the welding position, thereby completing the welding. At the same time, during the rotation process, the acoustic wave detector 503 detects the welding position of the tubular steel member, and transmits the detection result to the background terminal, which is convenient for the operator to directly view;

[0044] S4. After welding and testing are completed, the second hydraulic telescopic rod 606 is turned on to drive the placement frame 601 to reset with the roller 603, and support it on the tubular steel member again. At the same time, the clamping arc plate 407, the acoustic wave detector 503 and the supporting arc plate 701 are also reset. Finally, the support frame 6 pushes the welded tubular steel member to slide, withdraw it from the sleeve 402 of the driving member 4, and it can be moved away through other auxiliary handling equipment.

[0045] Finally, it should be noted that the above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the present invention shall be included in the protection scope of the present invention.

Claims

1. A tubular steel member welding machine based on construction engineering, comprising a welding machine body (3), a driving member (4), a detecting member (5), a support frame (6) and a supporting member (7), characterized in that: The welding machine body (3) is placed on the bottom plate (1) through the bracket (2) and is located above the driving member (4). A detecting member (5) is placed on the bottom plate (1) directly below the welding machine body (3). Support frames (6) are placed on the bottom plate (1) at both ends of the driving member (4), and a supporting member (7) is also placed on the bottom plate (1) at the position of the support frame (6).

2. The welding machine for tubular steel members based on construction engineering according to claim 1, characterized in that: The driving member (4) further includes a support seat (401). A sleeve (402) is placed through the support seat (401). The sleeve (402) is rotatably connected to the support seat (401) through a bearing seat. A gear ring (403) placed on the outer wall of the sleeve (402) meshes with a driving gear (404). The driving gear (404) is fixedly connected to a transmission shaft (405). One end of the transmission shaft (405) is in transmission connection with a servo motor (406).

3. A tubular steel member welding machine based on construction engineering according to claim 2, characterized in that: A clamping arc plate (407) is also placed on the sleeve (402). An anti-slip soft rubber lining is fixedly connected to the clamping arc plate (407). The clamping arc plate (407) is fixedly connected to a first hydraulic telescopic rod (408). The first hydraulic telescopic rod (408) is placed through an installation hole opened at the corresponding position on the sleeve (402) and is fixedly connected to the sleeve (402).

4. A welding machine for tubular steel members based on construction engineering according to claim 1, characterized in that: The detecting member (5) further includes a sound wave detector (503). A contact head (504) is placed on the sound wave detector (503). The sound wave detector (503) is fixedly connected to an electric telescopic rod (502). The lower end of the electric telescopic rod (502) is fixedly connected to the bottom plate (1) through a base (501).

5. A welding machine for tubular steel members based on construction engineering according to claim 1, characterized in that: The support frame (6) includes a matching installation frame (601). Equally spaced rollers (603) are placed on the installation frame (601). The rollers (603) are rotatably connected to a connecting plate (602) through a rotating shaft (604). The connecting plate (602) is fixedly connected to the installation frame (601).

6. The welding machine for tubular steel members based on construction engineering according to claim 5, characterized in that: A first connecting ear plate (605) and a second connecting ear plate (609) are also placed on the installation frame (601). The second connecting ear plate (609) is rotatably connected to a connecting support rod (610) through a pin shaft. The connecting support rod (610) is fixedly connected to the bottom plate (1). The first connecting ear plate (605) is rotatably connected to a connecting seat (607) at one end of a second hydraulic telescopic rod (606) through a pin shaft. The connecting seat (607) at the other end is rotatably connected to a pin shaft seat (608) through a pin shaft. The pin shaft seat (608) is fixedly connected to the bottom plate (1).

7. A tubular steel member welding machine based on construction engineering according to claim 1, characterized in that: The supporting member (7) further includes a supporting arc plate (701). Uniformly distributed balls (702) are placed on the supporting arc plate (701). The balls (702) are rotatably placed in an installation seat. The installation seat is fixedly embedded in the supporting arc plate (701). The supporting arc plate (701) is fixedly connected to a third hydraulic telescopic rod (703). The third hydraulic telescopic rod (703) is fixedly connected to the bottom plate (1) through a rod seat (704).

8. A welding method of a tubular steel member welding machine based on construction engineering according to any one of claims 1-7, characterized in that, Including the following steps: S1. Place all the tubular steel members to be welded on the rollers (603) of the support frame (6). Then, push the tubular steel members to slide on the rollers (603) of the placement frame (601) so that the welding parts of the tubular steel members pass through the sleeves (402) of the driving members (4) and are pushed directly below the welding machine body (3). Place another tubular steel member on another support frame (6) in the same way and adjust its position so that the welding parts of the two tubular steel members come into contact with each other. S2. Subsequently, turn on the third hydraulic extension rod (703) to push the supporting arc plate (701) to move to the lower part of the tubular steel member to support the tubular steel member well. Then, turn on the first hydraulic extension rod (408) on the sleeve (402) to run, and push the clamping arc plate (407) to contact the tubular steel member, thereby clamping and fixing the tubular steel member in the sleeve (402). Then, turn on the second hydraulic extension rod (606) to drive the placement frame (601) to rotate on the connecting strut (610) so that the roller (603) is separated from the tubular steel member. Finally, turn on the electric extension rod (502) to drive the acoustic wave detector (503) with the contact head (504) to move and contact the welding part of the tubular steel members with each other. S3. After completing the above operations, turn on the welding machine body (3) to weld the tubular steel members. At the same time, turn on the servo motor (406) to drive the driving gear (404) to rotate through the transmission shaft (405), and cooperate with the toothed ring (403) during the rotation process to drive the sleeve (402) to rotate on the support base (401), thereby driving the two tubular steel members to rotate together to adjust the welding position, and then complete the welding. At the same time, during the rotation process, the acoustic wave detector (503) detects the welding part of the tubular steel members and transmits the detection results to the background terminal for the operator to directly view. S4. After completing the welding and detection, turn on the second hydraulic extension rod (606) to drive the placement frame (601) with the roller (603) to reset and support the tubular steel member again. At the same time, reset the clamping arc plate (407), the acoustic wave detector (503), and the supporting arc plate (701). Finally, push the welded tubular steel member to slide on the support frame (6) and withdraw it from the sleeve (402) of the driving member (4), and then move it away through other auxiliary handling equipment.

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