An auxiliary tool facilitating pipe welding

By designing auxiliary tooling that facilitates pipe welding, and utilizing movable supports, adjustment mechanisms, and start-stop mechanisms, the problem of existing tooling being difficult to quickly adjust and adapt to pipes of different diameters was solved, enabling rapid pipe connection and improved welding quality.

CN224406759UActive Publication Date: 2026-06-26HENAN XINLIANXIN INTELLIGENT EQUIP TECH CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
HENAN XINLIANXIN INTELLIGENT EQUIP TECH CO LTD
Filing Date
2025-06-09
Publication Date
2026-06-26

AI Technical Summary

Technical Problem

Existing welding auxiliary tooling makes it difficult to quickly adjust the position of welding holes on pipe boxes and is not suitable for pipes of different diameters, resulting in poor welding quality and poor applicability.

Method used

An auxiliary tooling was designed, comprising a movable support, a top plate, a roller frame, an adjustment mechanism, and a start-stop mechanism. The tooling enables rapid and accurate connection of pipes using a level and a support bracket. The adjustment mechanism is adapted to pipe boxes of different diameters, and the start-stop mechanism prevents the pipe box from rotating during welding.

Benefits of technology

It enables rapid and accurate connection of the pipe, improves welding efficiency and quality, expands the applicability of the equipment, and prevents the pipe box from rotating during the welding process.

✦ Generated by Eureka AI based on patent content.

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Patent Text Reader

Abstract

The utility model discloses a kind of auxiliary tool convenient for pipe welding, it is related to pipeline welding technical field, specifically a kind of auxiliary tool convenient for pipe welding, including mobile support, top plate and roller stand, the mobile support is provided with two groups, and is dynamically connected with adjusting mechanism on mobile support, the bottom of top plate is equipped with universal wheel, roller stand is installed on the surface of mobile support, one side of roller is provided with start-stop mechanism, and one end of sliding seat is detachably connected with support clamping seat. The auxiliary tool convenient for pipe welding, by adopting the setting of support clamping seat and level, the effect of quick and accurate butt joint is realized, the welding efficiency is improved, by the detachable setting of adjusting mechanism and connecting sleeve and sliding seat, the purpose of improving the applicability of the device is achieved, by the setting of start-stop mechanism, the roller can be frictionally fixed during use, prevent the pipe box from rotating during welding, improve the welding quality.
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Description

Technical Field

[0001] This utility model relates to the field of pipeline welding technology, specifically to an auxiliary tooling for facilitating pipeline welding. Background Technology

[0002] Pipeline welding is a common construction technique in industries such as petroleum, chemical, power, and municipal engineering. Its quality directly affects the safety and sealing of pipeline systems.

[0003] Large-diameter pipelines require welding of numerous connecting pipes, and each pipe needs to be horizontally positioned, which is difficult to operate. Existing welding auxiliary tools can generally only position the connecting pipes and support the pipe box. However, when welding connecting pipes in different positions, it is difficult to quickly adjust the position of the welding holes on the pipe box and to quickly and accurately connect the connecting pipes. Furthermore, general welding tools are only suitable for pipelines of one diameter, making them relatively limited in application and having poor applicability. In addition, the pipe box is prone to rotation during welding, affecting the welding quality. Therefore, a special tool that is easy to install and can be quickly positioned is needed. Utility Model Content

[0004] To address the shortcomings of existing technologies, this utility model provides an auxiliary tooling for easy pipe welding, thus solving the problems mentioned in the background section.

[0005] To achieve the above objectives, this utility model is implemented through the following technical solution: an auxiliary tooling for easy pipe welding, comprising a movable support, a top plate and a roller frame, wherein two sets of movable supports are provided, a first sliding groove is provided at the bottom of the top plate, the ends of the movable supports are inserted into the first sliding groove and are symmetrically arranged about the top plate, an adjustment mechanism is connected to the movable support via a transmission, casters are installed at the bottom of the top plate, the roller frame is installed on the surface of the movable support, rollers are provided inside the roller frame, a start / stop mechanism is provided on one side of the rollers, and a pipe box is supported on the rollers;

[0006] One of the movable supports has a slot, and a socket is inserted into the slot. A sliding seat is installed on the socket. One end of the sliding seat is detachably connected to a support bracket. The bottom of the support bracket is arc-shaped, and the radius of the arc is the same as the outer diameter of the pipe box. A level is installed on the support bracket, and a connecting pipe is installed on the top of the support bracket. The connecting pipe is perpendicular to the pipe box.

[0007] Optionally, the end of the pipe box abuts against one side of the top plate, and the pipe box is provided with welding holes. The outer diameter of the pipe connector is consistent with the inner diameter of the through hole, and the bottom of the pipe connector is adapted to the through hole.

[0008] Optionally, the adjustment mechanism consists of a bidirectional threaded rod installed inside the first slide groove and a drive motor connected to the bidirectional threaded rod. A threaded through hole is opened at the end of the movable bracket. The movable bracket is threadedly connected to the bidirectional threaded rod, and the threads on the bidirectional threaded rod are symmetrically distributed in two segments with opposite directions of rotation. An electric control button is installed on the inner wall of the top plate, and the electric control button is electrically connected to the drive motor.

[0009] Optionally, the start-stop mechanism consists of a rotating plate, a foot pedal, and a contact spring. Multiple roller frames are provided on the surface of each movable support. A through groove is opened on the outer wall of the roller frame. The rotating plate is located inside the through groove and is rotatably connected to the inner wall of the roller frame. One end of the contact spring is installed on the inner top wall of the roller frame, and the other end of the contact spring abuts against the upper surface of the front end of the rotating plate.

[0010] Optionally, the rollers are provided with a friction layer, the bottom front surface of the rotating plate is an uneven frosted surface, the bottom front surface of the rotating plate abuts against the outer surface of the friction layer, and the rear ends of multiple rotating plates are fixedly connected to the foot pedal pressure plate, which is long and narrow.

[0011] Optionally, a second groove is provided on the surface of the socket, the sliding seat slides inside the second groove, a first handle is installed on the top of the socket, a second handle is installed on the outer surface of the sliding seat, a connecting sleeve is installed on the outer surface of the support bracket, the sliding seat is inserted into the inside of the connecting sleeve, and the connecting sleeve and the sliding seat are connected by a connecting pin.

[0012] This utility model provides an auxiliary tooling for facilitating pipe welding, which has the following advantages:

[0013] 1. This auxiliary tooling for facilitating pipe welding, by adopting a support bracket and a level, allows the pipe to be accurately and quickly placed on the welding hole position of the pipe box during use, and supports the pipe without manual support, achieving a fast and accurate docking effect and improving welding efficiency.

[0014] 2. This auxiliary tooling for easy pipe welding, through the adjustment mechanism and the detachable connection sleeve and sliding seat, allows for convenient adjustment of the distance between the rollers and replacement of different support brackets during use. This enables the tooling to be applied to welding pipes on pipe boxes of different diameters, thereby improving the applicability of the device.

[0015] 3. This auxiliary tooling, which facilitates pipe welding, features a start-stop mechanism that allows for friction-fixed rollers during use, preventing the pipe box from rotating during welding and improving welding quality. Attached Figure Description

[0016] Figure 1 This is a three-dimensional structural diagram of the present invention;

[0017] Figure 2 This is a schematic diagram of the adjustment mechanism of this utility model;

[0018] Figure 3 This is a schematic diagram of the start-stop mechanism of this utility model;

[0019] Figure 4 This is a side view of the structure of this utility model;

[0020] In the diagram: 1. Pipe box; 2. Connecting pipe; 3. Movable support; 4. Top plate; 7. First slide groove; 8. Double-sided threaded rod; 9. Drive motor; 10. Electric control button; 11. Roller frame; 12. Roller; 13. Rotating plate; 14. Foot pedal pressure plate; 15. Abutment spring; 16. Friction layer; 17. Slot; 18. Socket; 19. Second slide groove; 20. Sliding seat; 21. First handle; 22. Second handle; 23. Connecting pin; 24. Connecting sleeve; 25. Support bracket; 26. Level; 27. Casters. Detailed Implementation

[0021] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0022] Example 1

[0023] Please see Figures 1 to 4 The present invention provides a technical solution to address the shortcomings of existing auxiliary tooling for welding pipes. Existing auxiliary tooling, used during pipe welding, cannot quickly and accurately connect the pipe 2, resulting in time and labor costs. Furthermore, it is difficult to directly observe whether the pipe 2 and the welding hole are aligned, affecting welding quality. Most auxiliary tooling is only applicable to a single pipe box 1, exhibiting low applicability. Therefore, this invention provides an auxiliary tooling for easier pipe welding, comprising a movable support 3, a top plate 4, and a roller frame 11. The movable support 3 is provided in two sets. A first sliding groove 7 is provided at the bottom of the top plate 4. The ends of the movable support 3 are inserted into the first sliding groove 7 and are symmetrically arranged about the top plate 4. An adjustment mechanism is connected to the movable support 3 via a transmission. Universal wheels 27 are installed at the bottom of the top plate 4. The roller frame 11 is mounted on the surface of the movable support 3, and rollers 12 are provided inside the roller frame 11, supporting the pipe box 1.

[0024] One of the movable brackets 3 has a slot 17, and a socket 18 is inserted into the slot 17. A sliding seat 20 is provided on the socket 18. One end of the sliding seat 20 is detachably connected to a support bracket 25. The bottom of the support bracket 25 is arc-shaped, and the radius of the arc is the same as the outer diameter of the tube box 1. A level 26 is installed on the support bracket 25. A connecting pipe 2 is provided on the top of the support bracket 25. The connecting pipe 2 is perpendicular to the tube box 1. The end of the tube box 1 abuts against one side of the top plate 4. A welding hole is provided on the tube box 1. The outer diameter of the connecting pipe 2 is the same as the inner diameter of the through hole. The bottom of the connecting pipe 2 is adapted to the through hole.

[0025] The adjustment mechanism consists of a bidirectional threaded rod 8 installed inside the first slide groove 7 and a drive motor 9 connected to the bidirectional threaded rod 8. A threaded through hole is opened at the end of the movable bracket 3. The movable bracket 3 is threadedly connected to the bidirectional threaded rod 8, and the threads on the bidirectional threaded rod 8 are two symmetrically distributed segments with opposite directions of rotation. An electric control button 10 is installed on the inner wall of the top plate 4, and the electric control button 10 is electrically connected to the drive motor 9.

[0026] A second groove 19 is provided on the surface of the socket 18. The sliding seat 20 slides inside the second groove 19. A first handle 21 is installed on the top of the socket 18. A second handle 22 is installed on the outer surface of the sliding seat 20. A connecting sleeve 24 is installed on the outer surface of the support bracket 25. The sliding seat 20 is inserted into the inside of the connecting sleeve 24. The connecting sleeve 24 and the sliding seat 20 are connected by a connecting pin 23.

[0027] In use, before welding the connecting pipe 2, first place the pipe box 1 on the movable support 3 so that the pipe box 1 abuts against the roller 12 and the end of the pipe box 1 abuts against the top plate 4. Drive the sliding seat 20 through the second handle 22. The sliding seat 20 drives the support bracket 25 to slide on the second slide groove 19 and install the socket 18 inside the slot 17. The bottom bending diameter of the support bracket 25 on the socket 18 is consistent with the outer wall diameter of the pipe box 1, so that the support bracket 25 is locked on the outer surface of the pipe box 1. Then place the connecting pipe 2 on top of the support bracket 25. The level 26 can detect whether the support bracket 25 is placed horizontally. The bottom of the connecting pipe 2 just abuts against the outer wall of the pipe box 1. Then rotate the pipe box 1 so that the welding hole on the pipe box 1 coincides with the bottom of the connecting pipe 2. Then stop rotating the pipe box 1 and start welding the connecting pipe 2. After welding is completed, remove the socket 18 and then place it on other welding holes to weld other connecting pipes 2.

[0028] When welding different connecting pipes 2 on different pipe boxes 1, it is necessary to adjust the distance between the rollers 12. At this time, the drive motor 9 is started by the electric control button 10. The drive motor 9 is connected to the electric control button 10 and the external power supply. Therefore, the drive motor 9 drives the bidirectional threaded rod 8 to rotate, so that the bidirectional threaded rod 8 drives the two moving brackets 3 to move relative to each other. Adjust the distance between the rollers 12 on the moving brackets 3. Stop when the appropriate position is reached. Then, by removing the connecting pin 23, the support bracket 25 is separated from the sliding seat 20. Then, different support brackets 25 are installed, which can be used to weld connecting pipes 2 on pipe boxes 1 with different diameters.

[0029] Specifically, this auxiliary tooling can weld pipe boxes 1 and pipes 2 of different diameters, thus improving the applicability of the auxiliary tooling. In addition, it can quickly and accurately connect pipes 2, saving time and effort. It can also directly observe whether pipes 2 and welding holes are aligned, thus improving welding quality.

[0030] Example 2

[0031] Please see Figure 3 The present invention provides a starting and stopping mechanism consisting of a rotating plate 13, a foot pedal plate 14, and abutment springs 15. Multiple roller frames 11 are provided on the surface of each movable support 3. A through groove is formed on the outer wall of the roller frame 11. The rotating plate 13 is disposed inside the through groove and rotatably connected to the inner wall of the roller frame 11. One end of the abutment spring 15 is mounted on the inner top wall of the roller frame 11, and the other end of the abutment spring 15 abuts against the upper surface of the front end of the rotating plate 13. A friction layer 16 is provided on the roller 12. The bottom surface of the front end of the rotating plate 13 is an uneven frosted surface, and the bottom surface of the front end of the rotating plate 13 abuts against the outer surface of the friction layer 16. The rear ends of multiple rotating plates 13 are fixedly connected to the foot pedal plate 14, which is elongated.

[0032] In use, since the existing roller 12 is difficult to stop rotating automatically, it is easy for the roller 12 to drive the pipe box 1 to move during welding, which affects the welding quality. Therefore, a start-stop mechanism is installed on the inner side of the roller 12. Under normal conditions, the abrasive layer at the bottom of the rotating plate 13 abuts against the friction layer 16 on the roller 12 under the action of the abutment spring 15. The friction is large, making it difficult to drive the roller 12 to rotate. In addition, the pipe box 1 is generally large in volume and is also difficult to rotate on its own due to the action of the friction layer 16. This achieves the effect of preventing the pipe box 1 from rotating during the welding of the pipe 2, thus improving the welding stability. When it is necessary to adjust the position of the welding hole on the pipe box 1, the foot pedal 14 is stepped on. The foot pedal 14 is forced to counteract the elastic force of the abutment spring 15, causing the rotating plate 13 to rotate. This causes the rotating plate 13 to separate from the friction layer 16 on the roller 12, allowing the roller 12 to rotate and the pipe box 1 to rotate on the roller 12.

[0033] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. An auxiliary tooling for facilitating pipe welding, comprising a movable support (3), a top plate (4), and a roller frame (11), characterized in that: The movable support (3) is provided in two sets. The bottom of the top plate (4) is provided with a first sliding groove (7). The end of the movable support (3) is inserted into the inside of the first sliding groove (7) and is symmetrically arranged about the top plate (4). The movable support (3) is connected to an adjustment mechanism. The bottom of the top plate (4) is equipped with casters (27). The roller frame (11) is installed on the surface of the movable support (3). The inside of the roller frame (11) is provided with rollers (12). The side of the rollers (12) is provided with a start-stop mechanism. The rollers (12) are supported by a pipe box (1). One of the movable brackets (3) has a slot (17) with a socket (18) inserted inside the slot (17). A sliding seat (20) is provided on the socket (18). One end of the sliding seat (20) is detachably connected to a support bracket (25). The bottom of the support bracket (25) is arc-shaped, and the radius of the arc is consistent with the outer diameter of the pipe box (1). A level (26) is installed on the support bracket (25). A connecting pipe (2) is provided on the top of the support bracket (25). The connecting pipe (2) is perpendicular to the pipe box (1).

2. The auxiliary tooling for facilitating pipe welding according to claim 1, characterized in that: The end of the pipe box (1) abuts against one side of the top plate (4). The pipe box (1) is provided with welding holes. The outer diameter of the pipe (2) is consistent with the inner diameter of the through hole. The bottom of the pipe (2) is adapted to the through hole.

3. The auxiliary tooling for facilitating pipe welding according to claim 1, characterized in that: The adjustment mechanism consists of a bidirectional threaded rod (8) installed inside the first slide groove (7) and a drive motor (9) connected to the bidirectional threaded rod (8). A threaded through hole is provided at the end of the movable bracket (3). The movable bracket (3) is threadedly connected to the bidirectional threaded rod (8). The threads on the bidirectional threaded rod (8) are symmetrically distributed in two segments with opposite directions of rotation. An electric control button (10) is installed on the inner wall of the top plate (4). The electric control button (10) is electrically connected to the drive motor (9).

4. The auxiliary tooling for facilitating pipe welding according to claim 1, characterized in that: The start-stop mechanism consists of a rotating plate (13), a foot pedal plate (14), and abutment springs (15). Roller frames (11) are provided on the surface of each movable support (3). A through groove is provided on the outer wall of the roller frame (11). The rotating plate (13) is located inside the through groove and is rotatably connected to the inner wall of the roller frame (11). One end of the abutment spring (15) is installed on the inner top wall of the roller frame (11), and the other end of the abutment spring (15) abuts against the upper surface of the front end of the rotating plate (13).

5. The auxiliary tooling for facilitating pipe welding according to claim 4, characterized in that: The roller (12) is provided with a friction layer (16), the bottom surface of the front end of the rotating plate (13) is an uneven frosted surface, the bottom surface of the front end of the rotating plate (13) abuts against the outer surface of the friction layer (16), and the rear ends of multiple rotating plates (13) are fixedly connected to the foot pedal plate (14), which is long and narrow.

6. The auxiliary tooling for facilitating pipe welding according to claim 1, characterized in that: A second groove (19) is provided on the surface of the socket (18). The sliding seat (20) slides inside the second groove (19). A first handle (21) is installed on the top of the socket (18). A second handle (22) is installed on the outer surface of the sliding seat (20). A connecting sleeve (24) is installed on the outer surface of the support bracket (25). The sliding seat (20) is inserted into the inside of the connecting sleeve (24). The connecting sleeve (24) and the sliding seat (20) are connected by a connecting pin (23).