A pipe on-site welding equipment

Abstract

The present invention relates to the technical field of pipe welding, specifically a pipe on-site welding equipment, including a machine base, and also including: a welding structure connected to the machine base; a pipe-carrying structure connected to the machine base, the pipe-carrying structure including a spacing control mechanism, the spacing control mechanism connected to two sets of symmetrically arranged pipe rotating mechanisms; a telescopic shaping structure connected to the machine base, the telescopic shaping structure including an active telescopic mechanism connected to the machine base, the active telescopic mechanism connected to a frame, the frame connected to a displacement support mechanism, a rotating knocking mechanism rotatably connected to the displacement support mechanism installed on the frame, the displacement support mechanism is used to adjust the spacing between the rotating knocking mechanisms, and the rotating knocking mechanism is used to perform shape repair operations on the pipe port. The present invention automatically performs knocking repairs on the pipe port, saves manpower and improves the repair accuracy, so that the present invention is suitable for welding pipes with deformed ports, thereby improving the applicability of the present invention.

Description

Technical Field

[0001] The invention relates to the technical field of pipe welding, in particular to a pipe on-site welding device. Background Art

[0002] Pipes are usually connected by aligning two pipes and welding the annular seam. For the welding of the annular seam, semi-automatic welding is currently used, that is, the workpiece is clamped with a fixture and then rotated. The annular seam is welded manually during the rotation. After welding, the workpiece is removed from the fixture, and this cycle is repeated.

[0003] In many projects, pipes need to be transported to the construction site before welding. During the transportation to the destination, some pipe ports are hit or squeezed, causing irregular deformation of the pipe ports. At this time, due to the inconsistency of the pipe port shapes, the pipe ports cannot be accurately docked. Manual knocking repairs are laborious and difficult to control the repair quality. Existing welding equipment cannot complete circumferential seam welding when the pipe ports do not match. Existing pipe welding equipment has limitations. Summary of the invention

[0004] The object of the present invention is to provide a pipe on-site welding device to solve the problems raised in the above background technology.

[0005] To achieve the above object, the present invention provides the following technical solutions:

[0006] A pipe on-site welding device comprises a machine base and also comprises:

[0007] Welded structure connected to the machine base;

[0008] A pipe-carrying structure connected to the machine base, the pipe-carrying structure comprising a spacing control mechanism connected to the machine base, the spacing control mechanism being connected to two sets of symmetrically arranged pipe-turning mechanisms, the spacing control mechanism being used to adjust the spacing between the pipe-turning mechanisms, the pipe-turning mechanisms being used to provide support for the pipes and a driving force for the pipes to rotate;

[0009] A telescopic shaping structure connected to the machine base, the telescopic shaping structure includes an active telescopic mechanism connected to the machine base, the active telescopic mechanism is connected to a frame, a displacement support mechanism is fixedly mounted on the frame, a rotating knocking mechanism rotatably connected to the displacement support mechanism is mounted on the frame, the displacement support mechanism is used to adjust the spacing between the rotating knocking mechanisms, and the rotating knocking mechanism is used to perform shape repair operations on the pipe port.

[0010] As a further improvement of the present invention: the welding structure includes a limiting frame fixedly connected to the machine base, the limiting frame is fixedly connected to a first active telescopic rod, and the movable end of the first active telescopic rod is fixedly connected to a welding machine.

[0011] As a further improvement of the present invention: the spacing control mechanism includes a track frame fixedly connected to the machine base, two groups of second motors are symmetrically installed in the middle of the track frame, a first screw is fixedly installed on the output shaft of the second motor, the first screw is threadedly connected to a linkage block slidably connected to the track frame, and the linkage block is connected to the rotating tube mechanism.

[0012] As a further improvement scheme of the present invention: the pipe rotating mechanism includes a movable frame fixedly connected to the linkage block, the movable frame is connected to the pipe support part, the movable frame is fixedly connected to the second active telescopic rod, the second active telescopic rod is connected to the cover body through the pressure sensor, the cover body is fixedly connected to the fourth double-output shaft motor, and the fourth double-output shaft motor is connected to the driving wheel through the belt transmission structure.

[0013] As a further improvement of the present invention: the pipe support part includes a third active telescopic rod fixedly connected to the movable frame, the movable end of the third active telescopic rod is fixedly installed with an articulated frame, both ends of the articulated frame are hinged with a slide frame through a hinge plate, and the slide frame is movably connected to a pipe support frame slidably connected to the movable frame.

[0014] As a further improvement of the present invention: the active telescopic mechanism comprises a driven telescopic frame connected to the base, a fourth active telescopic rod is fixedly installed in the driven telescopic frame, and a moving end of the driven telescopic frame is fixedly connected to the frame.

[0015] As a further improvement of the present invention: the displacement support mechanism includes a first motor fixedly connected to the frame, the output shaft of the first motor is fixedly connected to the deflection frame, the deflection frame is hinged to a rotating seat slidably connected to the frame through a linkage frame, and the rotating seat is fixedly connected to a Y-shaped frame rotatably connected to the rotating knocking mechanism.

[0016] As a further improvement of the present invention: the rotating knocking mechanism includes a second double-output shaft motor fixedly connected to the frame, the shaft of the second double-output shaft motor is fixedly connected to a second connecting pin, the second connecting pin is slidably connected to a second slot shaft, two groups of second limiting rings are fixedly installed on the second slot shaft, the two groups of second limiting rings are arranged on both sides of the Y-shaped frame, the second slot shaft is fixedly connected to a gear, the gear is meshed with a gear ring, a limiting ring rotatably connected to a rotating seat is fixedly installed on the outer circumferential surface of the gear ring, the gear ring is fixedly connected to multiple groups of guide seats, and the guide seats slide A pulley frame is movably connected to the pulley frame, which is rotatably connected to a roller, a spring is installed between the pulley frame and the guide seat, an impact head is installed on the pulley frame, the frame is fixedly connected to a first double-output shaft motor, the output shaft of the first double-output shaft motor is fixedly connected to a first connecting pin, the first connecting pin is slidably connected to a first slot shaft, two groups of first limiting rings are fixedly installed on the first slot shaft, the two groups of first limiting rings are respectively arranged on both sides of the Y-shaped frame, the first slot shaft is fixedly connected to a movable connecting seat, and the movable connecting seat is movably connected to a triangular top block slidably connected to the roller.

[0017] As a further improvement of the present invention: the impact head includes a first mounting seat fixedly connected to the pulley frame, a first impact block is movably mounted on the first mounting seat, a slot frame is fixedly mounted on the side of the first mounting seat facing the gear ring, the slot frame is rotatably connected to a second screw, a hexagonal sleeve is fixedly mounted on one end of the second screw, the second screw is threadedly connected to a connecting block slidably connected to the slot frame, the connecting block is fixedly connected to the second mounting seat, and a second impact block is movably mounted on the second mounting seat.

[0018] Compared with the prior art, the present invention has the following beneficial effects:

[0019] When in use, two groups of pipes to be welded are symmetrically placed on two groups of pipe-carrying structures, and then, driven by the spacing control mechanism, the pipe-turning mechanism drives the pipes to approach the rotating knocking mechanism, and the rotating knocking mechanism performs a rotating knocking operation on the port of the pipe to repair the port of the pipe, so that the port of the pipe is trimmed into a circle, and then the spacing control mechanism controls the pipe-turning mechanism to move away from each other, the active telescopic mechanism drives the frame to move, and the frame drives the displacement support mechanism to move away from each other, thereby providing docking space for the pipes approaching each other, and then the spacing control mechanism controls the pipe-turning mechanism to approach each other, so that the ports of the pipes abut, the pipe-turning mechanism drives the pipes to rotate, and the welding structure performs welding operations on the two groups of pipes. The present invention performs a knocking repair operation on the port of the pipe through the telescopic shaping structure, which saves manpower while improving the repair accuracy, and avoids incomplete welding caused by deformation of the pipe port, so that the present invention is suitable for welding pipes with deformed ports, thereby improving the applicability of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS

[0020] Figure 1 It is a schematic diagram of the three-dimensional structure of the present invention;

[0021] Figure 2 A schematic diagram of a three-dimensional structure from another viewing angle of the present invention;

[0022] Figure 3 It is a structural schematic diagram of the present invention;

[0023] Figure 4 It is a schematic diagram of the structure of the frame, the displacement support mechanism, and the rotation knocking mechanism of the present invention cooperating with each other;

[0024] Figure 5 It is a schematic diagram of the three-dimensional structure of the impact head of the present invention;

[0025] Figure 6 It is a schematic diagram of the internal structure of the active telescopic mechanism of the present invention;

[0026] Figure 7 It is a schematic diagram of the structure of the gear ring and the limit ring of the present invention;

[0027] Figure 8 For the present invention Figure 1 A local enlarged schematic diagram of the middle A;

[0028] Fig. 9 For the present invention Figure 3 A local enlarged schematic diagram of point B in the middle.

[0029] In the figure: 1, machine base; 2, welding structure; 201, limit frame; 202, first active telescopic rod; 203, welding machine; 3, telescopic shaping structure; 301, active telescopic mechanism; 3011, driven telescopic frame; 3012, fourth active telescopic rod; 302, frame; 303, displacement support mechanism; 3031, first motor; 3032, deflection frame; 3033, linkage frame; 3034, rotating seat; 3035, Y-shaped frame; 304, rotating knocking mechanism; 30 401, second double-output shaft motor; 30402, second connecting pin; 30403, second slotted shaft; 30404, second limiting ring; 30405, gear ring; 30406, limiting ring; 30407, guide seat; 30408, pulley frame; 30409, impact head; 304091, first mounting seat; 304092, first impact block; 304093, notch frame; 304094, second screw; 304095, connecting block; 304096, Second mounting seat; 304097, second impact block; 304098, hexagon socket; 30410, first double-output shaft motor; 30411, first connecting pin; 30412, first slotted shaft; 30413, first limiting ring; 30414, movable connection seat; 30415, triangular top block; 30416, gear; 30417, roller; 4, tube structure; 401, spacing control mechanism; 4011, track frame; 4012, second motor; 4013, The first screw rod; 4014, linkage block; 402, pipe rotating mechanism; 4021, moving frame; 4022, pipe supporting part; 40221, third active telescopic rod; 40222, articulated frame; 40223, articulated plate; 40224, slide frame; 40225, pipe supporting frame; 4023, second active telescopic rod; 4024, pressure sensor; 4025, cover body; 4026, fourth double-output shaft motor; 4027, belt transmission structure; 4028, driving wheel. DETAILED DESCRIPTION

[0030] The technical solution of the present invention is further described in detail below in conjunction with specific implementation methods.

[0031] Example 1, see Figures 1 to 9 As shown, a pipe field welding device includes a machine base 1, a controller is installed on the machine base 1, and further includes:

[0032] A welding structure 2 connected to the machine base 1;

[0033] A pipe-carrying structure 4 connected to the machine base 1, the pipe-carrying structure 4 comprising a spacing control mechanism 401 connected to the machine base 1, the spacing control mechanism 401 being connected to two sets of symmetrically arranged pipe-turning mechanisms 402, the spacing control mechanism 401 being used to adjust the spacing between the pipe-turning mechanisms 402, the pipe-turning mechanisms 402 being used to provide support for the pipes and a driving force for the pipes to rotate;

[0034] The telescopic shaping structure 3 connected to the machine base 1 comprises an active telescopic mechanism 301 connected to the machine base 1, the active telescopic mechanism 301 is connected to a frame 302, a displacement support mechanism 303 is fixedly mounted on the frame 302, a rotating knocking mechanism 304 is mounted on the frame 302, the rotating knocking mechanism 304 is rotatably connected to the displacement support mechanism 303, the displacement support mechanism 303 is used to adjust the spacing between the rotating knocking mechanisms 304, and the rotating knocking mechanism 304 is used to perform shape repair operations on the pipe port.

[0035] When in use, two groups of pipes to be welded are placed symmetrically on two groups of pipe-carrying structures 4, and then, driven by the spacing control mechanism 401, the pipe rotating mechanism 402 drives the pipes to approach the rotating and knocking mechanism 304, and the rotating and knocking mechanism 304 performs a rotating and knocking operation on the port of the pipe to repair the port of the pipe so that the port of the pipe is trimmed into a circle, and then the spacing control mechanism 401 controls the pipe rotating mechanism 402 to move away from each other, the active telescopic mechanism 301 drives the frame 302 to move, and the frame 302 drives the displacement support mechanism 303 to move away from each other, thereby providing docking space for the pipes approaching each other, and then the spacing control mechanism 401 controls the pipe rotating mechanism 402 to approach each other, so that the ports of the pipes abut, the pipe rotating mechanism 402 drives the pipe to rotate, and the welding structure 2 performs welding operations on the two groups of pipes. The present invention uses the telescopic shaping structure 3 to perform knocking repair operations on the port of the pipe, which saves manpower and improves the repair accuracy, avoiding incomplete welding caused by deformation of the pipe port, making the present invention suitable for welding operations on pipes with deformed ports, thereby improving the applicability of the present invention.

[0036] In one case of this embodiment, the welding structure 2 includes a limit frame 201 fixedly connected to the machine base 1, the limit frame 201 is fixedly connected to a first active telescopic rod 202, the movable end of the first active telescopic rod 202 is fixedly connected to a welder 203, the welder 203 is used to weld the pipe, the welder 203 can be a argon arc welder, or a laser welder, and the first active telescopic rod 202 is used to adjust the position of the welding head of the welder 203. The first active telescopic rod 202 is used to drive the welder 203 to move, thereby adjusting the distance between the welding head of the welder 203 and the pipe.

[0037] In one case of this embodiment, the spacing control mechanism 401 includes a track frame 4011 fixedly connected to the machine base 1, two sets of second motors 4012 are symmetrically installed in the middle of the track frame 4011, a first screw 4013 is fixedly installed on the output shaft of the second motor 4012, the first screw 4013 is threadedly connected to a linkage block 4014 slidably connected to the track frame 4011, and the linkage block 4014 is connected to the rotating tube mechanism 402. The second motor 4012 drives the first screw 4013 to rotate, the first screw 4013 drives the linkage block 4014 to slide along the track frame 4011, and the linkage block 4014 drives the rotating tube mechanism 402 to move, thereby adjusting the spacing between the rotating tube mechanisms 402.

[0038] In one case of the present embodiment, the pipe rotating mechanism 402 includes a movable frame 4021 fixedly connected to the linkage block 4014, the movable frame 4021 is connected to the pipe support part 4022, the movable frame 4021 is fixedly connected to the second active telescopic rod 4023, the second active telescopic rod 4023 is connected to the cover body 4025 through the pressure sensor 4024, the cover body 4025 is fixedly connected to the fourth double-output shaft motor 4026, the fourth double-output shaft motor 4026 is connected to the driving wheel 4028 through the belt transmission structure 4027, and the belt transmission structure 4027 is connected to the cover body 4025 (the belt transmission structure 4027 is a conventional transmission structure and will not be described in detail here). The second active telescopic rod 4023 adjusts the height of the cover body 4025 through the pressure sensor 4024, and the cover body 4025 drives the fourth double-output shaft motor 4026 to move. The fourth double-output shaft motor 4026 applies rotational force to the driving wheel 4028 through the belt transmission structure 4027. The rotating driving wheel 4028 squeezes the pipe and drives the pipe supported by the pipe support part 4022 to rotate, thereby providing support and driving force for rotation of the pipe.

[0039] In one case of the present embodiment, the pipe support portion 4022 includes a third active telescopic rod 40221 fixedly connected to the movable frame 4021, and the movable end of the third active telescopic rod 40221 is fixedly installed with an articulated frame 40222, and both ends of the articulated frame 40222 are hinged with a slide 40224 through a hinge plate 40223, and the slide 40224 is movably connected to a pipe support frame 40225 that is slidably connected to the movable frame 4021. The pipe support frame 40225 is specifically a wheel frame that is detachably connected to the slide 40224, and a plurality of groups of support wheels for supporting pipes are rotatably installed on the wheel frame.

[0040] In one case of this embodiment, the active telescopic mechanism 301 includes a driven telescopic frame 3011 connected to the base 1, a fourth active telescopic rod 3012 is fixedly installed in the driven telescopic frame 3011, and the moving end of the driven telescopic frame 3011 is fixedly connected to the frame 302. The fourth active telescopic rod 3012 is used to drive the driven telescopic frame 3011 to telescope, and the driven telescopic frame 3011 drives the frame 302 to move, thereby adjusting the position of the frame 302.

[0041] In one case of this embodiment, the displacement support mechanism 303 includes a first motor 3031 fixedly connected to the frame 302, the output shaft of the first motor 3031 is fixedly connected to the deflection frame 3032, the deflection frame 3032 is hinged with a rotating seat 3034 slidably connected to the frame 302 through a linkage frame 3033, the frame 302 is provided with a convex edge slidably connected to the rotating seat 3034, and the rotating seat 3034 is fixedly connected to a Y-shaped frame 3035 rotatably connected to the rotating knocking mechanism 304. The first motor 3031 drives the deflection frame 3032 to rotate, the deflection frame 3032 drives the rotating seat 3034 to slide relative to the frame 302 through the linkage frame 3033, the rotating seat 3034 drives the Y-shaped frame 3035 to move, the rotating seat 3034 provides rotation support for the rotating knocking mechanism 304 and adjusts the position of the rotating knocking mechanism 304, thereby accelerating the telescopic shaping structure 3 to separate from the pipe.

[0042] In one case of the present embodiment, the rotating knocking mechanism 304 includes a second double-output shaft motor 30401 fixedly connected to the frame 302, a second connecting pin 30402 is fixedly installed on the output end of the second double-output shaft motor 30401, the second connecting pin 30402 is slidably connected to the second slot shaft 30403, two groups of second limiting rings 30404 are fixedly installed on the second slot shaft 30403, the two groups of second limiting rings 30404 are arranged on both sides of the Y-shaped frame 3035, the second slot shaft 30403 is fixedly connected to a gear 30416, the gear 30416 is meshed with a gear ring 30405, a limiting ring 30406 rotatably connected to the rotating seat 3034 is fixedly installed on the outer circumferential surface of the gear ring 30405, the gear ring 30405 is fixedly connected to multiple groups of guide seats 30407, the guide seat 30407 is slidably connected to a pulley frame 30408, the pulley frame 3 0408 is rotatably connected to a roller 30417, a spring is installed between the pulley frame 30408 ​​and the guide seat 30407, the spring is used to pull the pulley frame 30408, so as to provide a reset force for the pulley frame 30408, an impact head 30409 is installed on the pulley frame 30408, the frame 302 is fixedly connected to a first double-output shaft motor 30410, and the output shaft of the first double-output shaft motor 30410 is fixedly connected to a first connecting shaft pin 3041 1. The first connecting pin 30411 is slidably connected to the first slot shaft 30412, and two groups of first limiting rings 30413 are fixedly installed on the first slot shaft 30412. The two groups of first limiting rings 30413 are respectively arranged on both sides of the Y-shaped frame 3035. The first slot shaft 30412 is fixedly connected to a movable connecting seat 30414, and the movable connecting seat 30414 is movably connected to a triangular top block 30415 slidably connected to the roller 30417.The second double-output shaft motor 30401 drives the second slot shaft 30403 to rotate through the second coupling pin 30402, the second slot shaft 30403 drives the gear 30416 to rotate, the gear 30416 drives the ring gear 30405 to rotate, the ring gear 30405 drives the limit ring 30406 and the rotating seat 3034 to rotate relative to each other, the ring gear 30405 drives the guide seat 30407 to rotate, the guide seat 30407 drives the impact head 30409 and the roller 30417 to move synchronously through the pulley frame 30408, under the drive of the first double-output shaft motor 30410, the first coupling pin 30411 drives the first slot shaft 30412 to rotate, the first slot shaft 30412 drives the triangular top block 30415 to rotate through the movable connecting seat 30414, when the rotating triangular top block 30415 slides relative to the roller 30417, The roller 30417 drives the pulley frame 30408 ​​to move, and the pulley frame 30408 ​​drives the impact head 30409 to move, so that the impact head 30409 hits the port of the pipe. The impact head 30409 repairs the shape of the port of the pipe during the rotation around the second connecting pin 30402. When the rotating seat 3034 drives the Y-shaped frame 3035 to move, the rotating seat 3034 drives the limiting ring 30406 to move, and the rotating seat 3034 drives the gear ring 30405 to move. The Y-shaped frame 3035 drives the second groove shaft 30403 and the first groove shaft 30412 to move by squeezing the first limiting ring 30413 and the second limiting ring 30404, thereby adjusting the position of the guide seat 30407. During this period, the gear 30416 and the gear ring 30405 maintain a meshing state, and the triangular top block 30415 and the roller 30417 maintain a contact state.

[0043] Embodiment 2, based on embodiment 1, refer to Figure 4 and Figure 5The impact head 30409 includes a first mounting seat 304091 fixedly connected to the pulley frame 30408, a first impact block 304092 is movably mounted on the first mounting seat 304091, and the first impact block 304092 is used to knock the inner wall of the pipe port. The connection method between the first mounting seat 304091 and the first impact block 304092 can be optionally clamped, or the first mounting seat 304091 can be connected to the first impact block 304092 through a threaded pin. A notch frame 304093 is fixedly mounted on the side of the first mounting seat 304091 facing the gear ring 30405, and the notch frame 304093 is rotatably connected to the second screw 304094. A hexagon socket 304098 is fixedly installed at one end of the second screw rod 304094. By fixing the hexagon socket 304098 at one end of the second screw rod 304094, it is convenient for personnel to use a hexagon socket wrench to turn the hexagon socket 304098, thereby driving the second screw rod 304094 to rotate. The second screw rod 304094 is threadedly connected to a connecting block 304095 that is slidably connected to the slot frame 304093. The connecting block 304095 is fixedly connected to a second mounting seat 304096. A second impact block 304097 is movably installed on the second mounting seat 304096. The second impact block 304092 is used to impact the outer wall of the pipe port. The rotating second screw 304094 drives the connecting block 304095 to slide along the notch frame 304093, and the connecting block 304095 drives the second mounting seat 304096 to move, thereby adjusting the distance between the second impact block 304097 and the first impact block 304097, so that the impact head 30409 is suitable for pipes with different wall thicknesses.

[0044] Although the embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the claims and their equivalents.

Claims

1. A pipe on-site welding device, comprising a machine base, characterized in that: Also includes: Welded structure connected to the machine base; A pipe-carrying structure connected to the machine base, the pipe-carrying structure comprising a spacing control mechanism connected to the machine base, the spacing control mechanism being connected to two sets of symmetrically arranged pipe-turning mechanisms, the spacing control mechanism being used to adjust the spacing between the pipe-turning mechanisms, the pipe-turning mechanisms being used to provide support for the pipes and a driving force for the pipes to rotate; A telescopic shaping structure connected to the machine base, the telescopic shaping structure includes an active telescopic mechanism connected to the machine base, the active telescopic mechanism is connected to a frame, a displacement support mechanism is fixedly mounted on the frame, a rotating knocking mechanism rotatably connected to the displacement support mechanism is mounted on the frame, the displacement support mechanism is used to adjust the spacing between the rotating knocking mechanisms, and the rotating knocking mechanism is used to perform shape repair operations on the pipe port.

2. The on-site pipe welding equipment according to claim 1, characterized in that: The welding structure comprises a limiting frame fixedly connected to the machine base, the limiting frame is fixedly connected to a first active telescopic rod, and the movable end of the first active telescopic rod is fixedly connected to a welding machine.

3. The on-site pipe welding equipment according to claim 1, characterized in that: The spacing control mechanism includes a track frame fixedly connected to the machine base, two groups of second motors are symmetrically installed in the middle of the track frame, a first screw is fixedly installed on the output shaft of the second motor, the first screw is threadedly connected to a linkage block slidably connected to the track frame, and the linkage block is connected to the rotating tube mechanism.

4. The on-site pipe welding equipment according to claim 3 is characterized in that: The pipe rotating mechanism includes a moving frame fixedly connected to the linkage block, the moving frame is connected to a pipe support portion, the moving frame is fixedly connected to a second active telescopic rod, the second active telescopic rod is connected to a cover body through a pressure sensor, the cover body is fixedly connected to a fourth double-output shaft motor, and the fourth double-output shaft motor is connected to a driving wheel through a belt transmission structure.

5. The on-site pipe welding equipment according to claim 4, characterized in that: The pipe support part includes a third active telescopic rod fixedly connected to the movable frame, the movable end of the third active telescopic rod is fixedly installed with an articulated frame, both ends of the articulated frame are hinged with a slide frame through a hinge plate, and the slide frame is movably connected to a pipe support frame slidably connected to the movable frame.

6. The on-site pipe welding equipment according to claim 1, characterized in that: The active telescopic mechanism comprises a driven telescopic frame connected to the machine base, a fourth active telescopic rod is fixedly installed in the driven telescopic frame, and a moving end of the driven telescopic frame is fixedly connected to the frame.

7. The on-site pipe welding equipment according to claim 1, characterized in that: The displacement support mechanism includes a first motor fixedly connected to the frame, the output shaft of the first motor is fixedly connected to a deflection frame, the deflection frame is hinged to a rotating seat slidably connected to the frame through a linkage frame, and the rotating seat is fixedly connected to a Y-shaped frame rotatably connected to a rotating knocking mechanism.

8. The on-site pipe welding equipment according to claim 7, characterized in that: The rotating knocking mechanism includes a second double-output shaft motor fixedly connected to the frame, the shaft of the second double-output shaft motor is fixedly connected to a second connecting pin, the second connecting pin is slidably connected to a second slot shaft, two groups of second limiting rings are fixedly installed on the second slot shaft, the two groups of second limiting rings are arranged on both sides of the Y-shaped frame, the second slot shaft is fixedly connected to a gear, the gear is meshed with a gear ring, a limiting ring rotatably connected to a rotating seat is fixedly installed on the outer circumferential surface of the gear ring, the gear ring is fixedly connected to multiple groups of guide seats, and the guide seat is slidably connected to a pulley frame The pulley frame is rotatably connected to a roller, a spring is installed between the pulley frame and the guide seat, an impact head is installed on the pulley frame, the frame is fixedly connected to a first double-output shaft motor, the output shaft of the first double-output shaft motor is fixedly connected to a first connecting pin, the first connecting pin is slidably connected to a first slot shaft, two groups of first limiting rings are fixedly installed on the first slot shaft, the two groups of the first limiting rings are respectively arranged on both sides of the Y-shaped frame, the first slot shaft is fixedly connected to a movable connecting seat, and the movable connecting seat is movably connected to a triangular top block slidably connected to the roller.

9. The on-site pipe welding equipment according to claim 8, characterized in that: The impact head includes a first mounting seat fixedly connected to the pulley frame, a first impact block movably mounted on the first mounting seat, a slot frame fixedly mounted on the side of the first mounting seat facing the gear ring, a second screw rod rotatably connected to the slot frame, a hexagonal sleeve fixedly mounted on one end of the second screw rod, the second screw rod is threadedly connected to a connecting block slidably connected to the slot frame, the connecting block is fixedly connected to the second mounting seat, and a second impact block movably mounted on the second mounting seat.

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