Tool for adjusting welding position of pipe

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By designing a tool for welding large-diameter pipes, using frame base, hydraulic cylinder and adjustment and clamping device, the stable vertical placement of bent pipes and straight pipes is achieved, and the unstable welding quality and labor caused by welding position switching is solved. The problem of high strength improves welding efficiency and quality.

CN222429830UActive Publication Date: 2025-02-07HENAN HUADIAN JINYUAN PIPING

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Patent Information

Application Number: CN202421434878.1
Authority / Receiving Office: CN · China
Patent Type: Utility models(China)
Current Assignee / Owner
Filing Date: 2024-06-21
Publication Date: 2025-02-07
Estimated Expiration: 2034-06-21

AI Technical Summary

Technical Problem

During the prefabrication of large-diameter pipes, when welding bent pipes and straight pipes, the back and forth switching of welding positions leads to unstable welding quality, which increases labor intensity and reduces welding efficiency.

Method used

Design a tool, including a frame base, a roof plate, a curved baffle, a vertical plate, an adjustment and clamping device and a hydraulic cylinder, and the vertical placement and fixation of the bent pipe and the straight pipe through the coordination of the sliding support and the hydraulic cylinder. The adjustment clamping device stabilizes the bending pipe.

Benefits of technology

The stable vertical placement of bent pipes and straight pipes is achieved, which reduces the switching of welding positions, improves welding quality and efficiency, and reduces labor intensity.

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Abstract

The utility model discloses a tool for adjusting pipe welding positions. In the prefabricating process of the large-diameter pipe, a bent pipe and a straight pipe which are assembled are horizontally placed through a support or a platform, a welder moves back and forth to continuously change the welding position so as to complete circumferential weld welding operation, the welding quality is unstable due to back-and-forth switching of the welding position, the labor intensity is increased, and meanwhile the welding efficiency is reduced. The device comprises a frame base (2), a top plate (6) is fixed on the frame base, an arc-shaped baffle (4) which is vertically arranged is fixed on the top plate, vertical plates (5) are fixed on the front side and the rear side of the top plate respectively, and adjusting clamping devices are fixed on the vertical plates. A pushing hydraulic cylinder (1) is fixed on the frame base, and the end part of a push rod of the pushing hydraulic cylinder is fixed on a sliding support (3). The device is used for adjusting the welding position of the pipe.

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Description

Technical Field

[0001] The utility model relates to a tool for adjusting the welding position of a pipe. Background Art

[0002] At present, during the prefabrication process of large-diameter pipes, when welding bent pipes and straight pipes, brackets or platforms are often used to place the paired bent pipes and straight pipes horizontally, and welders move back and forth to continuously change the welding position to complete the girth weld operation. The back-and-forth switching of welding positions will lead to unstable welding quality, increase labor intensity and reduce welding efficiency. Utility Model Content

[0003] The utility model aims at the problems existing in the prior art and provides a tool for adjusting the welding position of a pipe.

[0004] The above purpose is achieved through the following technical solutions:

[0005] A tool for adjusting the welding position of a pipe, comprising a frame base, a top plate fixed on the frame base, a vertically arranged arc-shaped baffle fixed on the top plate, vertical plates fixed on the front and rear sides of the top plate, and an adjusting clamping device fixed on the vertical plates;

[0006] A pushing hydraulic cylinder is fixed on the frame base, and the end of the push rod of the pushing hydraulic cylinder is fixed on the sliding support.

[0007] The tooling for adjusting the welding position of the pipe, the sliding support comprises several types of plates, the support plates are fixed on the several types of plates, and pulleys are respectively connected to the two sides of the several types of plates.

[0008] The tooling for adjusting the welding position of the pipe, the adjusting clamping device includes a clamping block, two sliding rods are fixed on the clamping block, the sliding rod passes through the vertical plate and slides with the vertical plate, the screw passes through the vertical plate and is rotatably connected to the clamping block, and the screw is threadedly connected to the vertical plate. Beneficial Effects

[0009] 1. The utility model can change the traditional welding method of elbow and straight pipe from horizontal position to vertical position and fix it, avoiding the trouble of rotating the elbow and straight pipe to adjust the welding position during welding, facilitating welding for workers, saving manpower and material resources, and effectively speeding up welding efficiency.

[0010] 2. The utility model is provided with an adjustable clamping device to clamp the bent pipe to ensure the stability of the bent pipe. BRIEF DESCRIPTION OF THE DRAWINGS

[0011] Figure 1 It is a top view of the utility model;

[0012] Figure 2 for Figure 1 AA section view;

[0013] Figure 3 for Figure 1 BB section view;

[0014] Figure 4 A top view of the utility model when in use;

[0015] Figure 5 This is the front view of the utility model when in use;

[0016] In the figure: 1. Push hydraulic cylinder; 2. Frame base; 3. Sliding support; 4. Arc baffle; 5. Vertical plate; 6. Top plate; 7. Clamp block; 8. Screw; 9. Sliding rod; 10. Bend pipe; 11. Straight pipe; 31. Pulley; 32. Support plate; 33. Plate. DETAILED DESCRIPTION

[0017] Reference Figure 1-Figure 3 A tool for adjusting the welding position of a pipe, which comprises a frame base 2, a top plate 6 is fixed on the frame base, a vertically arranged arc baffle 4 is fixed on the top plate, vertical plates 5 are fixed on the front and rear sides of the top plate, and an adjusting clamping device is fixed on the vertical plates;

[0018] A pushing hydraulic cylinder 1 is fixed on the frame base, and the end of the push rod of the pushing hydraulic cylinder is fixed on the sliding support 3.

[0019] The tooling for adjusting the welding position of the pipe, the sliding support includes a plurality of plates 33, a support plate 32 is fixed on the plurality of plates, and pulleys 31 are connected to both sides of the plurality of plates.

[0020] The tooling for adjusting the welding position of the pipe, the adjusting clamping device includes a clamping block 7, two sliding rods 9 are fixed on the clamping block, the sliding rods pass through the vertical plate and slide with the vertical plate, the screw rod 8 passes through the vertical plate and is rotatably connected to the clamping block, and the screw rod is threadedly connected to the vertical plate.

[0021] Working principle: When in use, adjust and push the hydraulic cylinder to push out the push rod, slide the sliding support on the frame base, and place the several-plate of the sliding support at the horizontal section of the elbow to be placed. Place the large-diameter elbow to be welded vertically between the arc baffle and the sliding support. The several-plate of the sliding support is supported on the horizontal section of the elbow, and the arc baffle supports the arc section of the elbow. Continue to adjust and push the hydraulic cylinder to slide the sliding support until the support plate on the sliding support is against the end of the elbow, so that the arc baffle and the support plate of the sliding support are aligned with each other. The bent pipe forms an extrusion state, and then the adjusting clamping device is adjusted. The screw of each adjusting clamping device is turned to make the clamping block move. The clamping blocks on both sides clamp the front and back sides of the bent pipe, thereby achieving comprehensive clamping of the bent pipe and ensuring the stability of the bent pipe. At this time, the staff only needs to support the straight pipe to be welded on the bent pipe to weld the annular weld. In this way, the welder only needs to weld horizontally to complete the work during operation, and there is no need to switch the welding position back and forth with high difficulty such as vertical welding and overhead welding, thereby reducing labor and improving welding quality.

Claims

1. A tool for adjusting the welding position of a pipe, characterized by: The structure comprises a frame base, a top plate is fixed on the frame base, a vertically arranged arc-shaped baffle is fixed on the top plate, vertical plates are fixed on the front and rear sides of the top plate, and an adjusting clamping device is fixed on the vertical plates; A pushing hydraulic cylinder is fixed on the frame base, and the end of the push rod of the pushing hydraulic cylinder is fixed on the sliding support.

2. The tool for adjusting the pipe welding position according to claim 1 is characterized in that: The sliding support comprises several-shaped plates, on which supporting plates are fixed, and two sides of the several-shaped plates are respectively connected with pulleys.

3. The tool for adjusting the pipe welding position according to claim 2 is characterized in that: The adjusting clamping device comprises a clamping block, on which two sliding rods are fixed, the sliding rods pass through the vertical plate and slide with the vertical plate, the screw rod passes through the vertical plate and is rotatably connected to the clamping block, and the screw rod is threadedly connected to the vertical plate.