Pipe welding tracking mobile device

Abstract

The present application relates to the technical field of pipeline welding, and discloses a pipeline welding tracking moving device, which comprises a ring body support sleeved on a pipeline, a box body is arranged above the ring body support, and a plurality of limiting wheels are mounted on the surface of the box body, in the present application, the moving assembly is arranged, the rack and the hollow sleeve are driven to move by the control assembly, and the linear moving assembly is clamped on the pipeline, when straight seam welding is carried out, the linear moving assembly can drive the ring body support and the welding gun to move linearly on the pipeline, meanwhile, the linear motor one can adjust the left and right positions of the welding gun, when circular seam welding is carried out, the limiting assembly allows the linear moving assembly to be stably clamped on the pipeline, the ring-shaped moving assembly can drive the welding gun to move in a ring shape, and the linear motor two can control the welding gun to move forward and backward for adjustment, the rotary motor cooperates with the rotary arm to control the position of the laser positioner, the automatic switching of the 'linear-ring' movement mode is realized, two kinds of welding scenes are compatible, and different tracking moving devices are replaced when different scenes are reduced.

Description

TECHNICAL FIELD

[0001] The present application relates to the technical field of pipeline welding, in particular to a pipeline welding tracking moving device. BACKGROUND

[0002] Pipeline welding is a connection process that makes atomic bonding between pipe materials and pipe materials, pipe materials and pipe fittings through heating, pressing or both, which is commonly used in pipeline system construction of petroleum, natural gas, water supply and drainage, etc. According to the pipe material (such as carbon steel, stainless steel), pipe diameter and wall thickness, argon arc welding, electric arc welding, submerged arc welding and other welding methods are selected. The interface needs to be cleaned before welding, and the calibration needs to be calibrated. The weld pool temperature and welding gun angle need to be controlled during welding to ensure uniform weld.

[0003] In the actual operation of the current pipeline welding operation, there are two typical welding scenes, namely straight seam welding and ring seam welding. In order to ensure the accuracy of the welding process and the welding quality, no matter straight seam welding or ring seam welding, the operator will use a pipeline welding tracking moving device to assist in completing the welding operation. The welding tracking moving device controls the movement of the welding gun through the laser positioning device and the moving device. However, in the process of straight seam welding and ring seam welding, different tracking moving devices need to be used. When facing different welding methods, different welding tracking moving devices need to be switched, which brings many inconvenient problems to the welding construction.

[0004] Therefore, we propose a pipeline welding tracking moving device. SUMMARY

[0005] (I) Technical problems solved

[0006] In view of the shortcomings of the prior art, the present application provides a pipeline welding tracking moving device, which solves the problem that different welding tracking moving devices need to be switched when facing different welding methods, which brings many inconvenient problems to the welding construction.

[0007] (II) Technical solutions

[0008] In order to achieve the above purpose, the present application is realized by the following technical scheme: a pipeline welding tracking moving device, comprising a ring body support sleeved on a pipeline, a box body is arranged above the ring body support, a plurality of limiting wheels are installed on the surface of the box body for limiting the ring movement of the box body on the ring body support, and a moving mechanism is arranged on the surface of the ring body support.

[0009] The moving mechanism comprises two linear motors I installed in the inner wall of the box body, the output end of each linear motor I is provided with a linear motor II, the output end of the linear motor II is provided with a seat body, the inner wall of the seat body is slidably connected with a welding gun mounting seat, an adjusting part is arranged between the seat body and the welding gun mounting seat, which is used for controlling the height of the welding gun mounting seat, a fixing frame is arranged on the surface of the box body, a rotary motor is arranged on the inner wall of the fixing frame, and a rotary arm for assembling a laser positioner is arranged on the output end of the rotary motor, a plurality of rack I groups are slidably connected with the inner wall of the ring body support, each group has two rack Is, a control assembly is arranged on the inner wall of the ring body support, which is used for controlling the movement of each group of rack Is, a hollow sleeve is fixedly connected to one side of each group of rack Is, a linear movement assembly is arranged on the hollow sleeve, which is used for controlling the linear movement welding of the welding gun, a limiting assembly is arranged on the surface of the hollow sleeve, which is used for improving the stability of the ring body support, and a ring-shaped movement assembly is arranged between the box body and the ring body support, which is used for controlling the ring-shaped movement of the welding gun.

[0010] Preferably, the control assembly comprises a plurality of gear shafts rotatably connected with the inner wall of the ring body support, each group of gear shafts is rotatably connected with each group of rack Is, an inner gear ring is rotatably connected with the inner wall of the ring body support, the inner gear ring is rotatably connected with the plurality of gear shafts, the outer surface of the inner gear ring is fixedly connected with a worm wheel, two auxiliary frames are arranged on the surface of the ring body support, a worm is rotatably connected with the inner wall of the auxiliary frame, and the worm is rotatably connected with the worm wheel, an auxiliary motor is arranged on the auxiliary frame, and the output end of the auxiliary motor is drivingly connected with the worm wheel through a belt, through the above-mentioned components, when working, the auxiliary motor is turned on, the auxiliary motor drives the worm to rotate through the belt, the worm drives the inner gear ring to rotate through the worm wheel, and the inner gear ring drives the rack I to move in the inner wall of the ring body support through the gear shaft, thereby facilitating the adaptation of pipes with different diameters.

[0011] Preferably, the linear movement assembly comprises a plurality of walking wheels rotatably connected with the inner wall of the hollow sleeve, one end of each group of walking wheels is fixedly connected with a synchronous wheel, a synchronous belt is arranged on the plurality of synchronous wheels to realize transmission, and a driving motor is arranged on one side of the hollow sleeve, the output end of the driving motor is fixedly connected with a group of walking wheels, through the above-mentioned components, when performing straight seam welding, the driving motor is turned on, the driving motor drives a group of walking wheels and synchronous wheels to rotate, the synchronous wheels drive a plurality of walking wheels to rotate through the synchronous belt, thereby driving the welding gun to move linearly and realizing straight seam welding operation.

[0012] Preferably, the outer surface of each group of walking wheels is fixedly connected with an anti-skid pad, a plurality of anti-skid grooves are formed in the surface of the anti-skid pad, through the above-mentioned components, when the walking wheels move on the pipe with the cooperation of the anti-skid pad, the phenomenon of skidding can be reduced, and the welding effect is further improved.

[0013] Preferably, the hollow sleeve is provided with a plurality of tensioning wheels on the side close to the synchronous wheel, which can improve the adhesion between the synchronous belt and the synchronous wheel and improve the transmission effect.

[0014] Preferably, the two sides of the seat body are provided with shielding sleeves, and the other end of the shielding sleeve is fixedly connected to the inner wall of the box body, which can shield the inside of the box body and form a protection space.

[0015] Preferably, the annular moving assembly comprises an outer gear ring fixed on the surface of the ring body support, a control motor is installed on one side of the box body, a gear two is fixedly connected to the output end of the control motor, and the gear two is engagedly connected with the outer gear ring, so that the control motor can be turned on during annular movement, the gear two is driven to rotate by the control motor, and the gear two cooperates with the outer gear ring to drive the box body and the limiting wheel to rotate around the ring body support, so that the welding gun realizes annular seam welding.

[0016] Preferably, the limiting assembly comprises a shaft rotatably connected to the inner walls of the two sides of the hollow sleeve, a rotating frame is fixedly connected to the surface of the shaft, a plurality of anti-skid teeth are fixedly connected to the surface of the rotating frame, a gear one is fixedly connected to the surface of the shaft, and a double-acting cylinder is installed on the surface of the hollow sleeve, a rack two engagedly connected with the gear one is fixedly connected to the output end of the double-acting cylinder, so that when annular seam welding is performed, the double-acting cylinder is turned on, the rack is driven to move by the double-acting cylinder, the rack two cooperates with the gear one to drive the shaft and the rotating frame to rotate, and the anti-skid teeth are attached to the surface of the pipeline, thereby improving the overall stability.

[0017] Preferably, the contact surface of the anti-skid tooth is arc-shaped, which can better attach to the pipeline.

[0018] Preferably, the adjusting part comprises a transmission screw rotatably connected to the inner wall of the seat body, the transmission screw is threadedly connected to the inner wall of the welding gun mounting seat, an adjusting motor is installed above the seat body, and the output end of the adjusting motor is fixedly connected to one end of the transmission screw, so that the adjusting motor can be turned on to drive the transmission screw to rotate, and the transmission screw controls the welding gun mounting seat and the welding gun to move up and down, so that the welding gun is in the best position with the pipeline weld.

[0019] Preferably, the surface of the fixing frame is fixedly connected with two limiting columns, and the surface of the rotating arm is fixedly connected with a limiting block, so that the rotating motor can drive the rotating arm to rotate during annular welding, the limiting column can limit the rotating arm, the rotating motor can drive the rotating arm to rotate during straight seam welding, and the limiting block is attached to the limiting column for limiting.

[0020] In summary, the technical effects and advantages of the present application are as follows:

[0021] 1. In this invention, by setting a moving component, the control component drives the rack and the hollow sleeve to move, so that the linear moving component is clamped on the pipe. During straight seam welding, the linear moving component can drive the ring support and the welding torch to move linearly on the pipe. At the same time, the linear motor can adjust the left and right position of the welding torch. During circumferential seam welding, the limiting component keeps the linear moving component stably clamped on the pipe. The annular moving component can drive the welding torch to move in annular motion, and the linear motor can control the forward and backward movement of the welding torch. The rotary motor, together with the rotary arm, controls the position of the laser positioner, realizing the automatic switching of the "linear-annular" motion mode, which is compatible with two welding scenarios and reduces the need to change different tracking moving devices in different scenarios.

[0022] 2. In this invention, by setting a control component, the control component can control the linear movement component to clamp on pipes of different diameters, while the adjustment part can adjust the position of the welding torch so that the welding torch and the weld seam of the pipe are in the optimal position, allowing the equipment to be used on pipes of different sizes, thereby further improving the application range of welding work.

[0023] 3. In this invention, by setting a limiting component, during circumferential welding, the bidirectional cylinder can drive the rack two to move, and the rack two, in conjunction with the gear, can drive the shaft and the rotating frame to rotate. The rotating frame drives the arc-shaped part of the anti-slip teeth to fit against the surface of the pipe, thereby ensuring the overall stability. Attached Figure Description

[0024] Figure 1 This is a schematic diagram of the overall structure of a pipe welding tracking and moving device according to the present invention;

[0025] Figure 2 This is a side view of the pipe welding tracking and moving device of the present invention.

[0026] Figure 3 This invention relates to a pipe welding tracking and moving device. Figure 2 Schematic diagram of the structure at point A in the middle;

[0027] Figure 4 This is a cross-sectional view of a pipe welding tracking and moving device according to the present invention.

[0028] Figure 5 This invention relates to a pipe welding tracking and moving device. Figure 4 Schematic diagram of the structure at point B;

[0029] Figure 6 This invention relates to a pipe welding tracking and moving device. Figure 4 Schematic diagram of the structure at point C;

[0030] Figure 7 This is a partial structural schematic diagram of a pipe welding tracking and moving device according to the present invention;

[0031] Figure 8 It is a schematic view of the internal structure of the box of the pipeline welding tracking moving device of the application;

[0032] Figure 9 It is a schematic view of the partial structure of the pipeline welding tracking moving device of the application.

[0033] In the figure: 1, ring body support; 2, box; 3, rack one; 4, hollow sleeve; 5, linear moving assembly; 51, driving motor; 52, walking wheel; 53, non-slip pad; 54, synchronous wheel; 55, synchronous belt; 56, tensioning wheel; 6, limiting assembly; 61, rotating frame; 62, non-slip tooth; 63, gear one; 64, rack two; 65, two-way air cylinder; 66, shaft rod; 7, seat body; 8, fixing frame; 9, adjusting part; 91, adjusting motor; 92, transmission screw; 10, welding gun mounting seat; 11, rotating arm; 12, linear motor one; 13, linear motor two; 14, rotating motor; 15, limiting column; 16, limiting block; 17, limiting wheel; 18, ring moving assembly; 181, outer gear ring; 182, control motor; 183, gear two; 19, control assembly; 191, gear shaft; 192, inner gear ring; 193, worm gear; 194, auxiliary motor; 195, worm; 196, auxiliary frame; 20, shielding sleeve. DETAILED DESCRIPTION

[0034] The technical solutions in the embodiments of the application will be clearly and completely described below with reference to the drawings in the embodiments of the application. Obviously, the described embodiments are only part of the embodiments of the application, rather than all the embodiments of the application. Based on the embodiments in the application, all other embodiments obtained by those skilled in the art without creative work fall within the protection scope of the application.

[0035] Reference Figure 1 - Figure 9 The pipeline welding tracking moving device shown in the figure comprises a ring body support 1 sleeved on the pipeline, an upper portion of the ring body support 1 is provided with a box 2, a surface of the box 2 is provided with a plurality of limiting wheels 17 for limiting the ring-shaped movement of the box 2 on the ring body support 1, and a moving mechanism is arranged on the surface of the ring body support 1.

[0036] The moving mechanism comprises two linear motors I 12 installed in the inner wall of the box body 2, the output end of the two linear motors I 12 is provided with a linear motor II 13, the output end of the linear motor II 13 is provided with a seat body 7, the inner wall of the seat body 7 is slidably connected with a welding gun mounting seat 10, the seat body 7 and the welding gun mounting seat 10 are provided with an adjusting part 9 for controlling the height of the welding gun mounting seat 10, the surface of the box body 2 is provided with a fixing frame 8, the inner wall of the fixing frame 8 is provided with a rotating motor 14, and the output end is provided with a rotating arm 11 for assembling a laser positioner, the surface of the fixing frame 8 is fixedly connected with two limiting columns 15, the surface of the rotating arm 11 is fixedly connected with a limiting block 16, the inner wall of the ring body support 1 is slidably connected with a plurality of racks I 3, each group has two, the inner wall of the ring body support 1 is provided with a control assembly 19 for controlling the movement of each group of racks I 3, one side of each group of racks I 3 is fixedly connected with a hollow sleeve 4, the hollow sleeve 4 is provided with a linear moving assembly 5 for controlling the linear movement of the welding gun, the surface of the hollow sleeve 4 is provided with a limiting assembly 6 for improving the stability of the ring body support 1, the box body 2 and the ring body support 1 are provided with a ring moving assembly 18 for controlling the ring movement of the welding gun, the linear moving assembly 5 comprises a plurality of walking wheels 52 rotatably connected with the inner wall of the hollow sleeve 4, one end of each group of walking wheels 52 is fixedly connected with a synchronous wheel 54, a plurality of synchronous wheels 54 are installed with a synchronous belt 55, and transmission is realized, one side of the hollow sleeve 4 is provided with a driving motor 51, the output end of the driving motor 51 is fixedly connected with a group of walking wheels 52, the outer surfaces of the plurality of walking wheels 52 are fixedly connected with anti-skid pads 53, a plurality of anti-skid grooves are formed in the surface of the anti-skid pads 53, a plurality of tensioning wheels 56 are arranged on one side of the hollow sleeve 4 close to the synchronous wheels 54, the ring moving assembly 18 comprises an outer gear ring 181 fixed on the surface of the ring body support 1, one side of the box body 2 is provided with a control motor 182, the output end of the control motor 182 is fixedly connected with a gear II 183, and the gear II 183 is in meshing connection with the outer gear ring 181.

[0037] In the embodiment, first, the control assembly 19 can drive the walking wheels 52 to clamp on the pipeline, and the welding gun and the laser positioner are respectively installed on the welding gun mounting seat 10 and the rotating arm 11, the laser positioner tracks the weld, controls, when the straight seam welding, the rotating motor 14 can drive the rotating arm 11 to rotate, the limiting block 16 is attached to the limiting column 15, and the limiting block 16 is attached to the limiting column 15, the driving motor 51 is opened, a group of driving motor 51 and synchronous wheel 54 are driven to rotate, the synchronous wheel 54 is matched with the synchronous belt 55, and a plurality of walking wheels 52 are driven to rotate, so that the welding gun is driven to move linearly, the straight seam welding operation is realized, the walking wheels 52 are matched with the anti-skid pads 53 and moved on the pipeline, the phenomenon of slipping can be reduced, and the welding effect is further improved. The tensioning wheel 56 can improve the fit between the synchronous belt 55 and the synchronous wheel 54, and improve the transmission effect; when the circular seam welding, the rotating motor 14 can drive the rotating arm 11 to rotate, the limiting column 15 can limit the rotating arm 11, the control motor 182 can be opened, the control motor 182 drives the gear two 183 to rotate, the gear two 183 is matched with the outer ring gear 181, and the box body 2 and the limiting wheel 17 are driven to rotate around the ring body support 1, so that the welding gun realizes the circular seam welding; and when the straight seam welding, the linear motor one 12 can drive the linear motor two 13, the seat body 7 and the welding gun mounting seat 10 to move left and right, adjust the position, when the circular seam welding, the linear motor two 13 drives the seat body 7 and the welding gun mounting seat 10 to move forward and backward, and adjusts the position.

[0038] The control assembly 19 comprises a plurality of gear shafts 191 rotatably connected to the inner wall of the ring body support 1, each gear shaft 191 is rotatably connected to each gear rack 3, the inner wall of the ring body support 1 is rotatably connected to an inner ring gear 192, the inner ring gear 192 is rotatably connected to the plurality of gear shafts 191, the outer surface of the inner ring gear 192 is fixedly connected to a worm wheel 193, and the surface of the ring body support 1 is provided with two auxiliary frames 196. The inner wall of the auxiliary frame 196 is rotatably connected to a worm gear 195, the worm gear 195 is rotatably connected to the worm wheel 193, the auxiliary frame 196 is provided with an auxiliary motor 194, and the output end of the auxiliary motor 194 is rotatably connected to the worm wheel 193 through a belt.

[0039] In the embodiment, when working, the auxiliary motor 194 is opened, the auxiliary motor 194 drives the worm gear 195 to rotate through the belt, the worm gear 195 drives the inner ring gear 192 to rotate through the worm wheel 193, and the inner ring gear 192 drives the gear rack 3 to move in the inner wall of the ring body support 1 through the gear shaft 191, so as to conveniently adapt to pipelines with different diameters.

[0040] The limiting assembly 6 comprises a shaft 66 rotatably connected with the inner walls on both sides of the hollow sleeve 4, the surface of the shaft 66 is fixedly connected with a rotating frame 61, the surface of the rotating frame 61 is fixedly connected with a plurality of anti-skid teeth 62, the surface of the shaft 66 is fixedly connected with a gear one 63, the surface of the hollow sleeve 4 is provided with a two-way pneumatic cylinder 65, the output end of the two-way pneumatic cylinder 65 is fixedly connected with a rack two 64 in meshing connection with the gear one 63, and the contact surface of the anti-skid teeth 62 is arranged in an arc shape, so that the anti-skid teeth 62 can better fit the pipeline.

[0041] The two sides of the seat body 7 are provided with shielding sleeves 20, the other ends of the shielding sleeves 20 are fixedly connected with the inner walls of the box body 2, the shielding sleeves 20 can shield the inside of the box body 2 to form a protection space.

[0042] In the embodiment, when the circular seam welding is performed, the two-way pneumatic cylinder 65 is opened, the two-way pneumatic cylinder 65 drives the rack to move, the rack two 64 cooperates with the gear one 63 to drive the shaft 66 and the rotating frame 61 to rotate, and the arc-shaped surface of the anti-skid teeth 62 is fitted on the surface of the pipeline, so that the stability of the whole is improved.

[0043] The adjusting part 9 comprises a transmission screw 92 rotatably connected with the inner wall of the seat body 7, the transmission screw 92 is threadedly connected with the inner wall of the welding gun mounting seat 10, and the upper portion of the seat body 7 is provided with an adjusting motor 91.

[0044] In the embodiment, the adjusting motor 91 is opened, the adjusting motor 91 can drive the transmission screw 92 to rotate, the transmission screw 92 controls the welding gun mounting seat 10 and the welding gun to move up and down, and the welding gun is in the best position with the welding seam of the pipeline.

[0045] The working principle of the welding device is as follows: when the welding device is used, the welding gun and the laser positioner are respectively mounted on the welding gun mounting seat 10 and the rotating arm 11, the ring body support 1 is sleeved on the pipeline, the auxiliary motor 194 in the control assembly 19 is opened, the auxiliary motor 194 cooperates with the belt to drive the worm 195 to rotate, the worm 195 cooperates with the worm gear 193 to drive the inner gear ring 192 to rotate, the inner gear ring 192 can drive a plurality of gear shafts 191 to rotate, the gear shafts 191 can drive the rack one 3 to move in the inner wall of the ring body support 1, the walking assembly is clamped on the surface of the pipeline, the adjusting part 9 is opened, the adjusting motor 91 can drive the transmission screw 92 to rotate, the transmission screw 92 controls the welding gun mounting seat 10 and the welding gun to move up and down, and the welding gun is in the best position with the welding seam of the pipeline.

[0046] When straight seam welding is needed, the rotary motor 14 can drive the rotary arm 11 to rotate, the limiting block 16 is attached to the limiting column 15, limiting, the laser positioner is parallel to the straight weld, then the driving motor 51 is opened, the driving motor 51 drives a group of walking wheels 52 and synchronous wheels 54 to rotate, the synchronous wheels 54 are matched with the synchronous belt 55 to drive a plurality of walking wheels 52 to rotate, thereby driving the ring body support 1 to move on the pipeline, realizing the straight line movement welding operation of the welding gun, at the same time, the linear motor one 12 can drive the linear motor two 13, the seat body 7 and the welding gun mounting seat 10 to move left and right, adjusting the position, the walking wheels 52 cooperate with the anti-skid pads 53 to move on the pipeline, which can reduce the phenomenon of slipping, further improving the welding effect, the tensioning wheel 56 can improve the attachment force between the synchronous belt 55 and the synchronous wheel 54, improving the transmission effect;

[0047] When the ring seam welding is performed, the rotary motor 14 can drive the rotary arm 11 to rotate, the limiting column 15 can limit the rotary arm 11, at the same time, the bidirectional cylinder 65 in the limiting assembly 6 is opened, the bidirectional cylinder 65 drives the rack to move, the rack two 64 cooperates with the gear one 63 to drive the shaft rod 66 and the rotary frame 61 to rotate, the arc-shaped surface of the anti-skid tooth 62 is attached to the surface of the pipeline, improving the stability of the whole, then the control motor 182 can be opened, the control motor 182 drives the gear two 183 to rotate, the gear two 183 cooperates with the outer gear ring 181, which can drive the box body 2 and the limiting wheel 17 to rotate around the ring body support 1, so that the welding gun realizes the ring seam welding; and when the straight seam welding is performed, the linear motor one 12 can drive the linear motor two 13, the seat body 7 and the welding gun mounting seat 10 to move left and right, adjusting the position, when the ring seam welding is performed, the linear motor two 13 drives the seat body 7 and the welding gun mounting seat 10 to move forward and backward, adjusting the position.

[0048] The electrical elements appearing in the text are all connected with the main controller and 220V mains, and the main controller can be a conventional known device such as a computer.

[0049] Finally, it should be noted that: the above only describes the preferred embodiments of the present application and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments or make equivalent replacement for some technical features, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included in the protection scope of the present application.

Claims

1. A pipe welding tracking mobile device comprising a ring body support (1) sleeved on a pipe, characterized in that: The upper part of the ring body support (1) is provided with a box body (2), the surface of the box body (2) is provided with a plurality of limiting wheels (17), which is used for limiting the ring movement of the box body (2) on the ring body support (1), and the surface of the ring body support (1) is provided with a moving mechanism; The moving mechanism comprises two linear motors I (12) mounted in the inner wall of the box body (2), the output end of the two linear motors I (12) is provided with a linear motor II (13), the output end of the linear motor II (13) is provided with a seat body (7), the inner wall of the seat body (7) is slidably connected with a welding gun mounting seat (10), an adjusting part (9) is arranged between the seat body (7) and the welding gun mounting seat (10), which is used for controlling the height of the welding gun mounting seat (10), the surface of the box body (2) is provided with a fixing frame (8), the inner wall of the fixing frame (8) is provided with a rotating motor (14), and the output end is provided with a rotating arm (11) for assembling a laser positioner; The inner wall of the ring body support (1) is slidably connected with a plurality of racks I (3), each group has two, the inner wall of the ring body support (1) is provided with a control assembly (19) for controlling the movement of each group of racks I (3), one side of each group of racks I (3) is fixedly connected with a hollow sleeve (4), the hollow sleeve (4) is provided with a linear movement assembly (5) for controlling the linear movement of the welding gun, the surface of the hollow sleeve (4) is provided with a limiting assembly (6) for improving the stability of the ring body support (1), and the ring body support (1) is provided with a ring movement assembly (18) between the box body (2) and the ring body support (1), which is used for controlling the ring movement of the welding gun; The control assembly (19) comprises a plurality of gear shafts (191) rotatably connected with the inner wall of the ring body support (1), each group of gear shafts (191) is respectively meshed with each group of racks I (3), the inner wall of the ring body support (1) is rotatably connected with an inner gear ring (192), the inner gear ring (192) is meshed with a plurality of gear shafts (191), the outer surface of the inner gear ring (192) is fixedly connected with a worm wheel (193), the surface of the ring body support (1) is provided with two auxiliary frames (196), the inner wall of the auxiliary frame (196) is rotatably connected with a worm (195), and the worm (195) is meshed with the worm wheel (193), the auxiliary frame (196) is provided with an auxiliary motor (194), and the output end of the auxiliary motor (194) is drivingly connected with the worm wheel (193) through a belt; The linear movement assembly (5) comprises a plurality of traveling wheels (52) rotatably connected with the inner wall of the hollow sleeve (4), one end of each group of traveling wheels (52) is fixedly connected with a synchronous wheel (54), a plurality of synchronous wheels (54) are provided with a synchronous belt (55), which realizes transmission, one side of the hollow sleeve (4) is provided with a driving motor (51), the output end of the driving motor (51) is fixedly connected with a group of traveling wheels (52), and one side of the hollow sleeve (4) close to the synchronous wheel (54) is provided with a plurality of tensioning wheels (56). The annular moving assembly (18) comprises an outer gear ring (181) fixed on the surface of the ring body support (1), one side of the box body (2) is provided with a control motor (182), the output end of the control motor (182) is fixedly connected with a gear two (183), and the gear two (183) is in meshing connection with the outer gear ring (181).

2. A pipe welding tracking and movement device according to claim 1, characterized in that: The outer surfaces of multiple groups of the walking wheels (52) are fixedly connected with anti-skid pads (53), and the surfaces of the anti-skid pads (53) are provided with a plurality of anti-skid grooves.

3. A pipe welding tracking and movement device according to claim 1, wherein: Both sides of the seat body (7) are provided with shielding sleeves (20), and the other end of the shielding sleeve (20) is fixedly connected with the inner wall of the box body (2).

4. A pipe welding tracking and movement device according to claim 1, wherein: The limiting assembly (6) comprises a shaft rod (66) rotatably connected with the inner walls of both sides of the hollow sleeve (4), the surface of the shaft rod (66) is fixedly connected with a rotating frame (61), the surface of the rotating frame (61) is fixedly connected with a plurality of anti-skid teeth (62), the surface of the shaft rod (66) is fixedly connected with a gear one (63), the surface of the hollow sleeve (4) is provided with a double-action air cylinder (65), the output end of the double-action air cylinder (65) is fixedly connected with a rack two (64) in meshing connection with the gear one (63).

5. A pipe welding trail-on movement device according to claim 4, characterized in that: The contact surface of the anti-skid tooth (62) is arranged in an arc shape, which facilitates better adhesion to the pipeline.

6. A pipe welding trail-on movement apparatus according to claim 1, characterized by: The adjusting part (9) comprises a transmission screw rod (92) rotatably connected with the inner wall of the seat body (7), the transmission screw rod (92) is in threaded connection with the inner wall of the welding gun mounting seat (10), the upper portion of the seat body (7) is provided with an adjusting motor (91), and the output end of the adjusting motor (91) is fixedly connected with one end of the transmission screw rod (92).

7. A pipe welding trail-on movement apparatus according to claim 1, characterized in that: The surface of the fixing frame (8) is fixedly connected with two limiting columns (15), and the surface of the rotating arm (11) is fixedly connected with a limiting block (16).

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