A vertical pipe butt welding alignment tool

Abstract

This invention provides a vertical pipe butt welding alignment fixture, comprising a support ring, a positioning rod, and an adjustment assembly. This invention allows two support rings to be installed on the ends of two pipes to be welded. The position of the support rings is adjusted so that the end of the positioning rod extends to the outside of the pipe end face. After the support rings on both pipes are installed, the upper pipe is connected to the lower pipe. The relative position of the two pipes can be positioned by the guide of the positioning rod on the support ring. The operator can perform initial welding through the gap between adjacent positioning rods, and finally remove the support rings from the pipes for complete welding. The positioning rod on the support ring allows for positioning of the two pipes during pipe connection, and the support ring can be pre-installed on a single pipe, thus improving the convenience of construction and making operation more convenient and efficient.

Description

Technical Field

[0001] This utility model belongs to the field of pipeline welding technology, specifically relating to a tooling for aligning butt welding of vertical pipelines. Background Technology

[0002] During engineering construction, pipe connections are frequently involved, and welding is the most common method for these connections. Conventional pipes are usually connected horizontally, and there are various positioning fixtures available for horizontal pipe connections. However, in some construction situations, certain pipes need to be installed vertically, and the connection and welding must be completed vertically. Currently, vertical pipe welding requires the use of hoisting equipment for alignment. While conventional alignment fixtures can be used for vertical pipe welding, they require moving both pipes to the connection position before using the alignment fixture for final alignment. The need for hoisting equipment makes the installation of alignment fixtures complex and inconvenient for on-site operation and pipe connection. Utility Model Content

[0003] This utility model provides a vertical pipe butt welding alignment tool, which aims to solve the problem that the alignment tool is inconvenient to use and affects construction efficiency when butt welding pipes in the vertical direction in the prior art.

[0004] To achieve the above objectives, the technical solution adopted by this utility model is: to provide a vertical pipe butt welding alignment fixture, comprising:

[0005] Two support rings are provided, one for fixing to each of the two pipes to be connected.

[0006] The positioning rods are provided on each of the support rings. The two positioning rods are arranged opposite to each other on the support ring. The length direction of the positioning rod is arranged along the axis of the pipe. One end of the positioning rod extends out of the outer side of the support ring. The positioning rod includes two positioning plates arranged at an included angle.

[0007] An adjustment assembly, installed between the support ring and the positioning rod, is used to adjust the position of the positioning rod along the direction of approaching or moving away from the pipe.

[0008] In one possible implementation, the support ring includes:

[0009] The U-shaped ring has an internal receiving groove for accommodating the pipe;

[0010] A baffle is detachably installed at the opening of the U-shaped ring to limit the pipe inside the U-shaped ring. The two positioning rods are respectively installed on the U-shaped ring and the baffle.

[0011] In one possible implementation, the U-shaped ring includes two spaced-apart clamping plates arranged at an angle, and a connecting plate is fixedly connected to the end of the two clamping plates that is closer together.

[0012] In one possible implementation, the clamping plate is bent with a fixing plate on the side away from the connecting plate, and the baffle is detachably mounted on the fixing plate.

[0013] In one possible implementation, the regulating component includes:

[0014] A sliding block is slidably disposed on the support ring, and the positioning rod is fixedly installed on the sliding block;

[0015] A pusher, mounted on the support ring, is used to push the sliding block to move inward into the support ring.

[0016] In one possible implementation, the pusher is threaded onto the support ring, and the end of the pusher abuts against the sliding block.

[0017] In one possible implementation, at least two guide posts are fixedly mounted on the sliding block, and the guide posts are slidably disposed on the side wall of the support ring.

[0018] In one possible implementation, a spacer is fixedly mounted on the end of the positioning rod extending from the support ring, the spacer being used to abut against the end of the pipe.

[0019] The solution shown in this application, compared with the prior art, uses two separately designed support rings. Inside each support ring, two opposing positioning rods are installed. These positioning rods are made of angle steel. The openings of the two positioning rods are opposite each other, and their relative positions can be changed by an adjustment assembly, allowing the pipe to be clamped between them. One end of each positioning rod protrudes from one end of the support ring. In use, the two support rings are installed onto the ends of the two pipes to be welded. The position of the support rings is adjusted so that the ends of the positioning rods extend to the outside of the pipe end face. The pipe is then clamped between the two positioning rods using the adjustment assembly. After the support rings on both pipes are installed, the upper pipe is connected to the lower pipe. The relative positions of the two pipes are positioned by the guidance of the positioning rods on the support rings. The operator can perform initial welding through the gap between adjacent positioning rods. Finally, the support rings are removed from the pipes for complete welding. The positioning rod on the support ring can be used to position the two pipes during pipe docking, ensuring their relative positions. Furthermore, the support ring can be pre-installed on a single pipe, thus improving the convenience of construction and making the operation more convenient and efficient. Attached Figure Description

[0020] Figure 1 A schematic diagram of the structure of the vertical pipe butt welding alignment tool provided in this embodiment of the utility model;

[0021] Figure 2 This is a schematic diagram of the installation structure of the support ring provided in an embodiment of the present utility model.

[0022] Explanation of reference numerals in the attached figures:

[0023] 1. Pipe; 2. Support ring; 21. U-shaped ring; 211. Clamping plate; 212. Connecting plate; 213. Fixing plate; 22. Baffle; 3. Positioning rod; 31. Positioning plate; 4. Adjusting component; 41. Sliding block; 411. Guide column; 42. Pushing component; 5. Gap plate. Detailed Implementation

[0024] To make the technical problems, technical solutions, and beneficial effects of this utility model clearer, the present utility model will be further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the present utility model and are not intended to limit the present utility model.

[0025] Please refer to the following: Figure 1 and Figure 2 The vertical pipe butt welding alignment fixture provided by this utility model is described below. The vertical pipe butt welding alignment fixture includes a support ring 2, a positioning rod 3, and an adjustment assembly 4. There are two support rings 2, each used to fix itself to one of the two pipes 1 to be welded. Each support ring 2 has two positioning rods 3 installed on it, arranged opposite each other. The length direction of the positioning rod 3 is along the axis of the pipe 1, and one end of the positioning rod 3 extends outward from the support ring 2. Each positioning rod 3 includes two positioning plates 31 arranged at an included angle. The adjustment assembly 4 is installed between the support ring 2 and the positioning rod 3, and is used to adjust the position of the positioning rod 3 in the direction of approaching or moving away from the pipe 1.

[0026] The vertical pipe butt welding alignment fixture provided in this embodiment, compared with the prior art, features two separately designed support rings 2. Inside each support ring 2, two opposing positioning rods 3 are installed. The positioning rods 3 are made of angle steel. The openings of the two positioning rods 3 are opposite each other, and their relative positions can be changed by adjusting the assembly 4, allowing the pipe 1 to be clamped between the two positioning rods 3. One end of each positioning rod 3 protrudes from one end of the support ring 2. In use, the two support rings 2 are installed on the ends of the two pipes 1 to be welded. The position of the support rings 2 is adjusted so that the ends of the positioning rods 3 extend to the outside of the end face of the pipe 1. The pipe 1 is then clamped between the two positioning rods 3 by adjusting the assembly 4. After the support rings 2 on both pipes 1 are installed, the upper pipe 1 is connected to the lower pipe 1. The relative positions of the two pipes 1 are positioned by the guidance of the positioning rods 3 on the support rings 2. The operator can perform initial welding through the gap between adjacent positioning rods 3. Finally, the support rings 2 are removed from the pipes 1 for complete welding. The positioning rod 3 on the support ring 2 can be used to position the two pipes 1 when they are connected, ensuring the relative position of the two pipes 1. The support ring 2 can also be pre-installed on a single pipe 1, which improves the convenience of construction and makes the operation more convenient and efficient.

[0027] Specifically, in this embodiment, the positioning rod 3 is made of angle steel. When the pipe 1 is clamped between two positioning rods 3, the length direction of the positioning rod 3 is set along the axis of the pipe 1. Furthermore, the two positioning plates 31 on the positioning rod 3 abut against the outer side wall of the pipe 1, thereby improving the stability of the relative position of the positioning rod 3 and the pipe 1.

[0028] Preferably, in this embodiment, the ends of the positioning rods 3 on the support rings 2 on the two interlocking pipes 1 are both protruding from the cross-section of the two pipes 1, and when the two pipes 1 are connected, the positioning rods 3 on the two support rings 2 are staggered with each other along the circumference of the pipes 1.

[0029] In some embodiments, the support ring 2 may be adopted as follows: Figure 1 , Figure 2 The structure shown is also referred to. Figure 1 , Figure 2The support ring 2 includes a U-shaped ring 21 and a baffle 22. The U-shaped ring 21 has an internal receiving groove for accommodating the pipe 1. The baffle 22 is detachably installed at the opening of the U-shaped ring 21 to confine the pipe 1 within the U-shaped ring 21. Two positioning rods 3 are respectively installed on the U-shaped ring 21 and the baffle 22. The baffle 22 is detachably installed at the opening of the U-shaped ring 21 by bolts. When installing the support ring 2 onto the pipe 1, the U-shaped ring 21 can be first fitted onto the end of the pipe 1, and then the baffle 22 can be fixed to the opening of the U-shaped ring 21, so that the pipe 1 is positioned between the U-shaped ring 21 and the baffle 22. Positioning rods 3 are installed on both the baffle 22 and the U-shaped ring 21. The positions of the positioning rods 3 are then adjusted so that the pipe 1 is clamped onto the two positioning rods 3. After the initial welding is completed, the baffle 22 can be removed from the U-shaped ring 21, and the support ring 2 can then be removed from the pipe 1. This facilitates the removal of the support ring 2 from the pipe 1 after the initial welding is completed.

[0030] In some embodiments, the U-shaped ring 21 described above can be adopted as follows: Figure 1 , Figure 2 The structure shown is also referred to. Figure 1 , Figure 2 The U-shaped ring 21 includes two spaced-apart clamping plates 211 arranged at an angle, with a connecting plate 212 fixedly connected to the closer end of the two clamping plates 211. The angled arrangement of the two clamping plates 211 allows for the use of pipes 1 with different outer diameters, ensuring that the pipe 1 is clamped between the two connecting plates 212. Furthermore, the symmetry plane between the two positioning plates 31 on the positioning rod 3 coincides with the symmetry plane of the two clamping plates 211. During on-site installation of the support ring 2, the pipe 1 can be first clamped between the two clamping plates 211, and then the position of the positioning rod 3 can be adjusted so that the positioning rod 3 abuts against the outer wall of the pipe 1, thereby clamping the pipe 1 between the clamping plates 211 and the positioning rod 3.

[0031] Specifically, in this embodiment, when the clamping plate 211 is attached to the outer wall of the pipe 1, the positioning rod 3 can be kept relatively parallel to the axis of the pipe 1 by the guidance of the clamping plate 211. This facilitates the positioning of the support ring 2 and the pipe 1 during the subsequent installation process.

[0032] Specifically, in this embodiment, a positioning rod 3 is installed on the connecting plate 212, and the positioning rod 3 has the freedom to move along the direction of approaching or moving away from the axis of the pipe 1 on the connecting plate 212.

[0033] In some embodiments, the clamping plate 211 may be adopted as follows: Figure 1 , Figure 2 The structure shown is also referred to. Figure 1 , Figure 2A fixing plate 213 is bent along the side of the clamping plate 211 away from the connecting plate 212, and a baffle 22 is detachably mounted on the fixing plate 213. The fixing plate 213, the connecting plate 212, and the clamping plate 211 are integrally bent structures. The fixing plate 213 is bent outwards from the clamping plate 211, and the fixing plates 213 on the two clamping plates 211 are located on the same plane. A nut is fixedly installed on the fixing plate 213, and a through hole corresponding to the nut is provided on the fixing plate 213, allowing the baffle 22 to be installed onto the fixing plate 213 using bolts. The structure is simple and facilitates the installation and removal of the baffle 22.

[0034] In some embodiments, the adjustment component 4 described above may employ, for example... Figure 1 , Figure 2 The structure shown is also referred to. Figure 1 , Figure 2 The adjusting component 4 includes a sliding block 41 and a pushing member 42. The sliding block 41 is slidably disposed on the support ring 2, and the positioning rod 3 is fixedly mounted on the sliding block 41. The pushing member 42 is mounted on the support ring 2 and is used to push the sliding block 41 to move inward into the support ring 2. Two sliding blocks 41 are mounted on the support ring 2, and the two sliding blocks 41 are slidably disposed relative to each other on the support ring 2. Two positioning rods 3 are respectively fixedly mounted on the two sliding blocks 41.

[0035] Specifically, in this embodiment, when the support ring 2 is installed on the pipe 1, the sliding block 41 can be pushed to move closer to the pipe 1 by the pusher 42, so that the positioning rod 3 abuts against the outer wall of the pipe 1.

[0036] In some embodiments, the aforementioned pusher 42 may be adopted as follows: Figure 1 , Figure 2 The structure shown is also referred to. Figure 1 , Figure 2 The pusher 42 is threadedly connected to the support ring 2, and its end abuts against the sliding block 41. The pusher 42 is a bolt or screw, and by rotating the bolt or screw, its end can abut against the sliding block 41, pushing the sliding block 41 towards the pipe 1. The structure is simple and facilitates adjustment of the position of the positioning rod 3.

[0037] Preferably, in this embodiment, two sliding blocks 41 are slidably disposed on the baffle 22 and the connecting plate 212 respectively, and threaded sleeves for installing the pusher 42 are fixedly installed on both the baffle 22 and the connecting plate 212.

[0038] In some embodiments, the aforementioned sliding block 41 may employ, as follows: Figure 1 , Figure 2 The structure shown is also referred to. Figure 1 , Figure 2 At least two guide posts 411 are fixedly installed on the sliding block 41, and the guide posts 411 are slidably disposed on the side wall of the support ring 2. Guide holes for installing the guide posts 411 are provided on the side wall of the support ring 2. The guide posts 411 serve two purposes: firstly, they guide the movement of the sliding block 41; secondly, they prevent the sliding block 41 from rotating on the support ring 2, thus affecting the length direction of the positioning rod 3. This effectively improves the stability of the positioning rod 3's position on the support ring 2.

[0039] In some embodiments, the positioning rod 3 may be adopted as follows: Figure 1 , Figure 2 The structure shown is also referred to. Figure 1 , Figure 2 A gap piece 5 is fixedly installed at the end of the positioning rod 3 extending from the support ring 2. The gap piece 5 is used to abut against the end of the pipe 1. An installation groove for installing the gap piece 5 is machined on the top of the positioning rod 3. The gap piece 5 is fixedly installed inside the installation groove by welding, and the gap piece 5 is perpendicular to the length direction of the positioning rod 3 and extends to the outside of the positioning rod 3. The thickness of the gap piece 5 is the gap thickness at the weld seam of the two pipes 1 to be connected. When installing the support ring 2 to the outside of the pipe 1 on site, the gap piece 5 can abut against the end of the pipe 1, thereby achieving the positioning of the support ring 2 on the pipe 1 along the axial direction of the pipe 1. Simultaneously, after the two pipes 1 are connected, the gap piece 5 can create a certain gap between the end faces of the two pipes 1, facilitating subsequent welding.

[0040] Preferably, in this embodiment, the thickness of the spacer 5 gradually decreases towards the axis of the pipe 1, thereby facilitating the later removal of the spacer 5 from between the two pipes 1 to be connected.

[0041] The above description is only a preferred embodiment of the present utility model and is not intended to limit the present utility model. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A butt welding alignment tool for vertical pipes, characterized in that, include: Support rings (2), two in number, are used to fix the two pipes (1) to be connected respectively; Positioning rod (3), two positioning rods (3) are installed on each of the single support rings (2), the two positioning rods (3) are arranged opposite to each other on the support ring (2), the length direction of the positioning rod (3) is arranged along the axis of the pipe (1), one end of the positioning rod (3) extends out of the outside of the support ring (2), and the positioning rod (3) includes two positioning plates (31) arranged at an angle; An adjustment component (4) is installed between the support ring (2) and the positioning rod (3) for adjusting the position of the positioning rod (3) in the direction of approaching or moving away from the pipe (1).

2. The vertical pipe butt weld alignment fixture of claim 1, wherein, The support ring (2) includes: U-shaped ring (21), wherein the U-shaped ring (21) is provided with a receiving groove for accommodating the pipe (1); A baffle (22) is detachably installed at the opening of the U-ring (21) to limit the pipe (1) inside the U-ring (21). Two positioning rods (3) are respectively installed on the U-ring (21) and the baffle (22).

3. The butt weld alignment fixture for vertical pipes of claim 2, wherein, The U-shaped ring (21) includes two spaced clamping plates (211) arranged at an angle, and a connecting plate (212) is fixedly connected to the end of the two clamping plates (211) that is closer to each other.

4. The butt weld alignment fixture for vertical pipes of claim 3, wherein, The clamping plate (211) is bent on the side away from the connecting plate (212) and a fixing plate (213) is provided. The baffle (22) is detachably installed on the fixing plate (213).

5. The vertical pipe butt weld alignment fixture of claim 1 wherein, The adjustment component (4) includes: A sliding block (41) is slidably disposed on the support ring (2), and the positioning rod (3) is fixedly installed on the sliding block (41); A pusher (42) is mounted on the support ring (2) for pushing the sliding block (41) to move into the support ring (2).

6. The vertical pipe butt weld alignment fixture of claim 5 wherein, The pusher (42) is threaded onto the support ring (2), and the end of the pusher (42) abuts against the sliding block (41).

7. The vertical pipe butt weld alignment fixture of claim 5 wherein, At least two guide posts (411) are fixedly installed on the sliding block (41), and the guide posts (411) are slidably disposed on the side wall of the support ring (2).

8. The vertical pipe butt weld alignment fixture of claim 1 wherein, The positioning rod (3) extends from the end of the support ring (2) and is fixedly fitted with a gap piece (5), which is used to abut against the end of the pipe (1).

Images