Auxiliary tool facilitating positioning and welding of large pipeline

Abstract

The auxiliary tool comprises a supporting plate, a supporting part is arranged on the lower end face of the supporting plate, an electromagnet is arranged on the side, close to the pipeline, of the supporting part, sliding blocks are arranged on the supporting plate, the first sliding block is slidably connected to the lower end face of the supporting plate in the direction perpendicular to the axis of the pipeline, and the second sliding block is slidably connected to the lower end face of the supporting plate in the direction perpendicular to the axis of the pipeline. A driving assembly used for driving the first sliding block to move is arranged on the supporting plate, a welding assembly used for welding a pipeline is arranged on the first sliding block and comprises a first electric push cylinder and a welding gun, and a cylinder body of the first electric push cylinder is fixedly arranged on the lower end face of the upper sliding block. The welding gun is arranged at the tail end of a telescopic rod of the first electric push cylinder. The large pipeline welding device has the effect of welding large pipelines in different environments.

Description

Technical Field

[0001] The present application relates to the technical field of pipeline welding, and in particular to an auxiliary tooling for convenient positioning welding of large pipelines. Background Art

[0002] Welding is an essential step in the installation of large pipelines. However, due to the large size of the pipelines, traditional manual welding methods have problems such as difficult positioning and low efficiency.

[0003] Chinese patent application number 201620424327.6 discloses a lightweight pipe joint for large pipe welding. The joint comprises a clamp and a positioning guide pin. A support plate is secured to the clamp's periphery. One end of the support plate is secured to the clamp's periphery, while the other end is parallel to the clamp's end. A positioning block is secured to the end of the support plate. The positioning guide pin engages with the positioning block through threads.

[0004] However, when an obstruction appears on one side of the pipe to be welded, the clamp cannot be sleeved on the pipe to be welded, resulting in the inability to accurately locate the welding position and the inability to meet various welding requirements.

[0005] Therefore, it is necessary to propose a new technical solution to solve the above problems. Utility Model Content

[0006] In order to adapt to the efficient welding of large pipelines in different environments, the present application provides an auxiliary tooling for convenient positioning welding of large pipelines.

[0007] This application provides an auxiliary tool for convenient positioning welding of large pipelines, which adopts the following technical solutions:

[0008] An auxiliary tooling for convenient positioning welding of large pipelines includes a support plate, a support portion is provided on the lower end surface of the support plate, an electromagnet is provided on the side of the support portion close to the pipeline, a slider is provided on the support plate, the first slider is slidably connected to the lower end surface of the support plate along a direction perpendicular to the axis of the pipeline, a driving assembly for driving the first slider to move is provided on the support plate, a welding assembly for welding the pipeline is provided on the first slider, the welding assembly includes a first electric push cylinder and a welding gun, the cylinder body of the first electric push cylinder is fixedly provided on the lower end surface of the slider, and the welding gun is provided at the end of the telescopic rod of the first electric push cylinder.

[0009] By adopting the above technical solution, a support part is provided under the support plate, and an electromagnet is provided on the side of the support part close to the pipe. By magnetically setting the electromagnet on the pipe to be welded, the support plate can be effectively fixed. After the support plate is fixed, the driving assembly and the electric push cylinder cooperate with each other to drive the welding gun to perform welding on the pipe to be welded.

[0010] Optional: the support plate is arc-shaped, the axis of the support plate coincides with the axis of the pipeline, the support part is a second electric push cylinder, the cylinder body of the second electric push cylinder is fixedly arranged on the lower end surface of the support plate, and the electromagnet is fixedly arranged on the guide rod of the second electric push cylinder.

[0011] By adopting the above technical solution, the support plate is set to an arc shape, and by adjusting the second electric push cylinder, the moving path of the first slider is ensured to be parallel to the outer wall of the pipe, thereby improving the welding accuracy and facilitating the welding of pipes of different diameters.

[0012] Optional: An arc-shaped plate is provided on the support plate, the axis of the arc-shaped plate coincides with the axis of the pipe, the arc-shaped plate is slidably connected to the support plate in a direction parallel to the axis of the pipe, a third electric push cylinder is provided on the support plate for driving the support plate to move, the first slider is slidably connected to the lower end surface of the arc-shaped plate, and the drive assembly is provided on the arc-shaped plate.

[0013] By adopting the above technical solution, a third electric push cylinder is provided on the support plate, and the third electric push cylinder drives the arc plate to move along the axis direction of the pipeline, which is beneficial to increasing the welding range of the welding gun.

[0014] Optional: A rack is provided on the lower end surface of the arc plate, and the rack is arranged along a path parallel to the movement of the first slider. The driving assembly includes a gear and a driving motor, and the driving motor is arranged on the first slider. The gear is coaxially fixed to the output shaft of the driving motor, and the gear and the rack are meshed.

[0015] By adopting the above technical solution, the welding gun position can be quickly positioned by the gear rack.

[0016] Optional: There are two electric push cylinders, which are respectively arranged on both sides of the support plate along the axis of the pipeline. A mounting plate is fixedly provided at the end of the telescopic rod of the electric push cylinder. The electromagnet is fixedly provided on the side of the mounting plate close to the pipeline. A guide rod is provided on the side of the mounting plate away from the pipeline. The end of the guide rod away from the telescopic mounting plate is connected to the telescopic support plate.

[0017] By adopting the above technical solution, guide rods are provided on both sides of the electric push cylinder to enhance the stability of the electric push cylinder during movement.

[0018] Optionally, the electromagnet and the mounting plate are detachably connected, and a curved surface for cooperating with an outer wall of the pipe is provided on a side of the electromagnet close to the pipe.

[0019] By adopting the above technical solution and replacing electromagnets of different types, the connection between the electromagnet and the pipe fitting is ensured to be more stable.

[0020] Optionally, a bolt for limiting the guide rod is provided on the support plate, the bolt is threadedly connected to the support plate, and one end of the bolt passes through the support plate and abuts against the guide rod.

[0021] By adopting the above technical solution, the stability of the support plate during operation is enhanced and the electric push cylinder is protected.

[0022] Optionally: The upper end surface of the support plate is provided with a lifting ring for facilitating lifting of the support plate.

[0023] By adopting the above technical solution, it is convenient for workers to move the support plate.

[0024] In summary, this application includes at least one of the following beneficial technical effects:

[0025] 1. This application provides an electromagnet on the support plate, and a magnetic connection between the electromagnet and the pipe is provided to ensure the connection stability between the support plate and the pipe in different environments.

[0026] 2. By adjusting the second electric push cylinder, the moving path of the first slider is made parallel to the outer wall of the pipe to enhance welding accuracy.

[0027] 3. The arc plate is driven by the third electric push cylinder to effectively increase the welding range of the welding gun. BRIEF DESCRIPTION OF THE DRAWINGS

[0028] Figure 1 This is a schematic structural diagram of an embodiment of the present application;

[0029] Figure 2 This is a schematic diagram of the cross-sectional structure of the curved plate portion of an embodiment of the present application.

[0030] In the figure, 1. support plate; 11. lifting ring; 12. supporting part; 121. second electric push cylinder; 13. first bolt; 14. third electric push cylinder; 2. mounting plate; 21. electromagnet; 211. mounting part; 212. second bolt; 22. guide rod; 3. T-shaped slider; 4. arc plate; 41. first slider; 42. rack; 5. driving assembly; 51. gear; 52. driving motor; 6. welding assembly; 61. first electric push cylinder; 62. welding gun. DETAILED DESCRIPTION

[0031] The present application is further described in detail below with reference to the accompanying drawings.

[0032] The present application discloses an auxiliary tool for convenient positioning welding of large pipelines, such as Figure 1As shown, it includes a support plate 1, which is arc-shaped. The upper end face of the support plate 1 is provided with four lifting rings 11 for facilitating the lifting of the support plate 1, and the four lifting rings 11 are provided at diagonal positions of the support plate 1. The axis of the support plate 1 coincides with the axis of the pipeline, and the lower end face of the support plate 1 is provided with a plurality of support parts 12 for fixing the support plate 1 to the pipeline. In order to facilitate the adjustment of the distance between the support plate 1 and the outer wall of the pipeline, the support part 12 is two second electric push cylinders 121, and the two second electric push cylinders 121 are respectively provided on both sides of the support plate 1 along the axis direction of the pipeline. The cylinder body part of the second electric push cylinder 121 is fixedly provided on the lower end face of the support plate 1, and the mounting plate 2 is fixedly provided on the telescopic rod of the second electric push cylinder 121. The mounting plate 2 is driven to move in a direction parallel to the radius of the pipeline by the telescopic rod of the second electric push cylinder 121. Two electromagnets 21 are provided on the side of the mounting plate 2 near the outer wall of the pipe. The two electromagnets 21 are magnetically connected to the outer wall of the pipe on the side near the outer wall. To ensure the stability of the connection between the electromagnets 21 and the outer wall of the pipe, the electromagnets 21 and the mounting plate 2 are detachably connected. A mounting portion 211 is provided on the side of the electromagnet 21 near the mounting plate 2. Two second bolts 212 are provided on the side of the mounting portion 211 near the mounting plate 2. The second bolts 212 are connected to the mounting plate 2. Nuts for securing the second bolts 212 are provided on the side of the mounting plate 2 that pass through the second bolts 212. An arcuate surface that mates with the outer wall of the pipe is provided on the side of the electromagnet 21 near the outer wall of the pipe. By replacing electromagnets 21 of different models, the mounting plate 2 can be effectively fixed to pipes of different sizes.

[0033] like Figure 1 As shown, in order to enhance the stability of the mounting plate 2 during movement, two guide rods 22 are provided on the side of the mounting plate 2 away from the pipe. The ends of the two guide rods 22 away from the mounting plate 2 are connected to the support plate 1. The support plate 1 is provided with a first bolt 13 for limiting the guide rod 22. The first bolt 13 is threadedly connected to the support plate 1. The first bolt 13 passes through one end of the support plate 1 and abuts against the side wall of the guide rod 22. After the position of the support plate 1 is adjusted by the second electric push cylinder 121, the first bolt 13 is rotated to fix the guide rod 22, thereby ensuring the stability of the support plate 1 during operation.

[0034] like Figure 1 and Figure 2As shown, a through groove parallel to the axis direction of the pipeline is provided on the support plate 1, and a T-shaped slider 3 is slidably provided in the through groove. An arc plate 4 is provided at the lower end of the T-shaped slider 3. The arc plate 4 is parallel to the support plate 1, and a certain gap is left between the arc plate 4 and the support plate 1. The upper end surface of the support plate 1 is provided with a third electric push cylinder 14 for driving the T-block to move along the through groove. The cylinder body part of the third electric push cylinder 14 is fixedly provided on the upper end surface of the support plate 1, and the telescopic rod of the third electric push cylinder 14 is fixedly connected to the T-shaped slider 3.

[0035] like Figure 2 As shown, the lower end surface of the arc plate 4 is provided with an arc-shaped T-slot rail, which coincides with the axis of the arc plate, and a first slider 41 is slidably connected to the T-slot rail, and the upper end of the first slider 41 is slidably connected to the T-slot rail, and the lower end surface of the arc plate 4 is provided with a rack 42 with the same curvature as the T-slot rail. The arc plate 4 is also provided with a driving assembly 5 for driving the first slider 41 to move, and the driving assembly 5 includes a gear 51 and a driving motor 52 for driving the gear 51 to rotate. The driving motor 52 is fixedly provided on the first slider 41, and the gear 51 is coaxially fixed on the output shaft of the driving motor 52. The gear 51 and the rack 42 are engaged with each other, and the gear 51 is driven to rotate by the driving motor 52, thereby realizing the adjustment of the position of the first slider 41.

[0036] like Figure 2 As shown, a welding assembly 6 for welding the pipeline is provided on the side of the first slider 41 close to the pipeline. The welding assembly 6 includes a welding gun 62 and a first electric push cylinder 61 for driving the welding gun 62 to move. The cylinder body of the first electric push cylinder 61 is fixedly provided on the first slider 41, and the welding gun 62 is provided at the end of the telescopic rod of the first electric push cylinder 61. The welding gun 62 is driven close to or away from the pipeline by the first electric push cylinder 61 to realize pipeline and welding processing.

[0037] The implementation principle of this embodiment is:

[0038] First, select an electromagnet 21 that matches the diameter of the pipe to be welded and install it on the mounting plate 2. Adjust the second electric push cylinder 121 to ensure magnetic attraction between the electromagnet 21 and the outer wall of the pipe. Turn the second bolt 212 to secure the guide rod 22, thus securing the entire support plate 1. Then, use the third electric push cylinder 61 (14) to adjust the position of the curved plate 4. The drive assembly 5 and the first electric push cylinder 61 drive the welding gun 62 to weld the pipe surface.

[0039] The embodiments of this specific implementation method are all preferred embodiments of the present application and are not intended to limit the scope of protection of the present application. Therefore, any equivalent changes made based on the structure, shape, and principle of the present application should be included in the scope of protection of the present application.

Claims

1. An auxiliary tool for convenient positioning welding of large pipelines, characterized by: The invention comprises a support plate (1), wherein a support portion (12) is provided on the lower end surface of the support plate (1), an electromagnet (21) is provided on the side of the support portion (12) close to the pipeline, a first slider (41) is provided on the support plate (1), the first slider (41) is connected to the lower end surface of the support plate (1) along a sliding manner around the axis of the pipeline, a driving assembly (5) for driving the first slider (41) to move is provided on the support plate (1), a welding assembly for welding the pipeline is provided on the first slider (41), and the welding assembly (6) comprises a first electric push cylinder (61) and a welding gun (62), the cylinder body of the first electric push cylinder (61) is fixedly provided on the lower end surface of the first slider (41), and the welding gun (62) is provided at the end of the telescopic rod of the first electric push cylinder (61).

2. The auxiliary tooling for convenient positioning welding of large pipelines according to claim 1 is characterized in that: The support plate (1) is arc-shaped, and the axis of the support plate (1) coincides with the axis of the pipeline. The support portion (12) is a second electric push cylinder (121), and the cylinder body of the second electric push cylinder (121) is fixedly arranged on the lower end surface of the support plate (1). The electromagnet (21) is fixedly arranged on the guide rod (22) of the second electric push cylinder (121).

3. The auxiliary tooling for convenient positioning welding of large pipelines according to claim 2 is characterized in that: An arc-shaped plate (4) is provided on the support plate (1), the axis of the arc-shaped plate (4) coincides with the axis of the pipeline, the arc-shaped plate (4) is slidably connected to the support plate (1) in a direction parallel to the axis of the pipeline, a third electric push cylinder (14) is provided on the support plate (1) for driving the support plate (1) to move, the first slider (41) is slidably connected to the lower end surface of the arc-shaped plate (4), and the driving assembly (5) is provided on the arc-shaped plate (4).

4. The auxiliary tooling for convenient positioning welding of large pipelines according to claim 3 is characterized by: The lower end surface of the arc plate (4) is provided with a rack (42), and the rack (42) is arranged along a moving path parallel to the first slider (41). The driving assembly (5) includes a gear (51) and a driving motor (52), and the driving motor (52) is arranged on the first slider (41). The gear (51) is coaxially fixedly connected to the output shaft of the driving motor (52), and the gear (51) and the rack (42) are engaged with each other.

5. The auxiliary tool for convenient positioning welding of large pipelines according to claim 2, characterized in that: The second electric push cylinder (121) is provided in two numbers, and the two second electric push cylinders (121) are respectively provided on both sides of the support plate (1) along the axial direction of the pipeline, the end of the telescopic rod of the second electric push cylinder (121) is fixedly provided with a mounting plate (2), the electromagnet (21) is fixedly provided on the side of the mounting plate (2) close to the pipeline, and the side of the mounting plate (2) away from the pipeline is provided with a guide rod (22), and the end of the guide rod (22) away from the telescopic mounting plate (2) is connected to the support plate (1).

6. The auxiliary tool for convenient positioning welding of large pipelines according to claim 5, characterized in that: The electromagnet (21) and the mounting plate (2) are detachably connected, and the electromagnet (21) is provided with an arc-shaped surface on a side close to the pipeline for matching with the outer wall of the pipeline.

7. The auxiliary tool for convenient positioning welding of large pipelines according to claim 5, characterized in that: The support plate (1) is provided with a first bolt (13) for limiting the guide rod (22); the first bolt (13) is threadedly connected to the support plate (1); one end of the first bolt (13) passes through the support plate (1) and abuts against the guide rod (22).

8. The auxiliary tool for convenient positioning welding of large pipelines according to claim 1 is characterized by: The upper end surface of the support plate (1) is provided with a lifting ring (11) for facilitating the lifting of the support plate (1).

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