Butt fixing device for pipeline welding

Abstract

The utility model discloses a pipeline welding butt fixing device, and relates to the technical field of hydraulic engineering, in particular to the pipeline welding butt fixing device which comprises a supporting pipe body A. The bottom end of the supporting pipe body A is fixedly connected with a connecting rod A. The bottom end of the connecting rod A is fixedly connected with a connecting frame. The interior of the connecting frame is in threaded connection with a control assembly. During use, two pipelines needing to be welded are placed at flat positions, then the equipment is placed at the joint of the two pipelines, the joint of the two pipelines is located between the clamp A and the clamp B, then the rocker is rotated to enable the screw to push the clamp A to move towards the clamp B, and the joint of the two pipelines is clamped and fixed. According to the pipeline welding device, the clamp A and the clamp B are arranged, so that the joint of the two pipelines is kept flush under the pushing action of the clamp A and the clamp B, workers can conveniently weld the joint, and the phenomenon that the joint deviates in the welding process due to the fact that the two pipelines are not firmly fixed in the welding process is avoided.

Description

Technical Field

[0001] The utility model relates to the technical field of water conservancy projects, in particular to a pipe welding butt fixing device. Background Art

[0002] During the pipeline welding construction process of the water conservancy project, two welded pipes are welded together: first, the welded pipe is lifted up with a hoist, and the two welded pipes are welded together.

[0003] However, during the welding process, it was found that the two welded pipes were not firmly fixed. Under slight external force, the weld moved left and right, which increased the difficulty of construction and affected the welding quality. Utility Model Content

[0004] The utility model aims to provide a pipe welding butt fixing device, which solves the problem that two welded pipes are not firmly fixed during welding, and the weld joint moves left and right under slight external force, which increases the construction difficulty and affects the welding quality by arranging A supporting pipe body, B supporting pipe body, connecting frame, control component, A clamp and B clamp.

[0005] To achieve the above objectives, the utility model is implemented through the following technical solutions: a pipe welding butt fixing device, comprising an A support pipe body, the bottom end of the A support pipe body is fixedly connected to an A connecting rod, the bottom end of the A connecting rod is fixedly connected to a connecting frame, the internal thread of the connecting frame is connected to a control component, one end of the A support pipe body is provided with a plug hole, the inside of the plug hole is plugged with an inner rod, and one end of the inner rod is fixedly connected to a B support pipe body;

[0006] The control component includes a screw threadedly connected to one side of the connecting frame, one end of the screw is rotatably connected to an A clip via an A bearing, both ends of one side of the A clip are fixedly connected to a limiting rod, and both ends of one side of the connecting frame are provided with limiting grooves adapted to the limiting rod.

[0007] Preferably, the bottom end of the B support tube body is fixedly connected with a B connecting rod, and the bottom end of the B connecting rod is fixedly connected with a B clip.

[0008] Preferably, a threaded hole is provided on the surface of one end of the A support tube body, and a bolt for fixing the inner rod is passed through the internal thread of the threaded hole.

[0009] Preferably, the other end of the screw rod is fixedly connected to a joystick disc, and one side of the joystick disc is rotatably connected to a joystick via a B bearing.

[0010] Preferably, a driving screw groove is opened in the middle of one side of the connection frame, and the screw rod is threadedly connected to the inside of the driving screw groove.

[0011] Preferably, the A clip and the B clip are at the same horizontal height.

[0012] The utility model provides a pipe welding butt fixing device, which has the following beneficial effects:

[0013] When in use, place two pipes to be welded in a flat position, then place the equipment at the joint of the two pipes so that the joint of the two pipes is between the A clip and the B clip, then rotate the remote control rod to make the screw push the A clip toward the B clip, and tighten and fix the joint of the two pipes, so that the joint of the two pipes is kept flush under the pushing action of the A clip and the B clip, so that it is convenient for personnel to weld the joint, avoiding the displacement of the joint during the welding process due to the loose fixation between the two pipes, making it difficult for the welded pipe to meet the use requirements and causing waste. At the same time, the equipment is relatively light and simple, which is convenient for personnel to carry and use, thereby improving the work efficiency of personnel. BRIEF DESCRIPTION OF THE DRAWINGS

[0014] In order to more clearly illustrate the implementation of the utility model or the technical solution in the prior art, the following is a brief introduction to the drawings required for the implementation or the prior art description. Obviously, the drawings in the following description are only exemplary, and for ordinary technicians in this field, other implementation drawings can be derived from the provided drawings without creative work.

[0015] Figure 1 It is a schematic diagram of the structure of the utility model;

[0016] Figure 2 It is a schematic diagram of the back view of the structure of the utility model;

[0017] Figure 3 This is a schematic diagram of the structural disassembly of the connection frame of the utility model;

[0018] Figure 4 This is a schematic diagram of the structural disassembly of the A clip of the utility model.

[0019] Indicated in the figure:

[0020] 1. A support tube body; 2. A connecting rod; 3. Connecting frame; 4. Inner rod; 5. B support tube body; 6. Screw rod; 7. A clip; 8. Limit rod; 9. Limit groove; 10. B connecting rod; 11. B clip; 12. Bolt; 13. Remote control rod plate; 14. Remote control rod; 15. Driving screw groove. DETAILED DESCRIPTION

[0021] Exemplary embodiments will be described in detail herein, examples of which are shown in the accompanying drawings. When the following description refers to the drawings, the same numbers in different drawings represent the same or similar elements unless otherwise indicated. The embodiments described in the following exemplary embodiments do not represent all embodiments consistent with the present disclosure. Instead, they are merely examples of devices consistent with some aspects of the present disclosure as detailed in the appended claims.

[0022] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0023] like Figure 1 , Figure 2 , Figure 3 and Figure 4 As shown, this embodiment proposes a pipe welding butt fixing device, including an A support pipe body 1, the bottom end of the A support pipe body 1 is fixedly connected to an A connecting rod 2, the bottom end of the A connecting rod 2 is fixedly connected to a connecting frame 3, the internal thread of the connecting frame 3 is connected to a control component, one end of the A support pipe body 1 is provided with a plug hole, the inside of the plug hole is plugged with an inner rod 4, one end of the inner rod 4 is fixedly connected to a B support pipe body 5, the A support pipe body 1 and the B support pipe body 5 are made of steel pipes, both are L-shaped, and the bottom ends of the two are at the same horizontal height;

[0024] The control component includes a screw rod 6 threadedly connected to one side of the connecting frame 3, one end of the screw rod 6 is rotatably connected to an A clip 7 through an A bearing, both ends of one side of the A clip 7 are fixedly connected to a limit rod 8, and both ends of one side of the connecting frame 3 are provided with limit grooves 9 adapted to the limit rod 8. When the screw rod 6 rotates, it moves in the connecting frame 3, and one end will not drive the A clip 7 to rotate under the cooperation of the A bearing and the limit rod 8. At the same time, the A clip 7 is kept horizontal by the limit rod 8 and will not shake up and down or left and right.

[0025] The bottom end of the B support tube body 5 is fixedly connected with a B connecting rod 10, and the bottom end of the B connecting rod 10 is fixedly connected with a B clip 11. The position of the B clip 11 is relatively fixed during use, and when the A clip 7 moves, the A clip 7 is used to tighten the pipeline, thereby keeping the joint aligned for easy welding.

[0026] A threaded hole is provided on the surface of one end of the A support tube body 1, and a bolt 12 for fixing the inner rod 4 is passed through the internal thread of the threaded hole. When in use, the bolt 12 can be removed and the distance that the inner rod 4 extends out of the A support tube body 1 can be adjusted according to the diameter of the pipe, so as to match pipes of different diameters for adjustment.

[0027] The other end of the screw rod 6 is fixedly connected to a joystick plate 13, and one side of the joystick plate 13 is rotatably connected to a joystick 14 via a B bearing. The setting of the joystick 14 makes it easy for personnel to control the rotation of the screw rod 6, thereby improving the convenience of operation and saving more effort, while reducing the need for operating tools.

[0028] A driving screw groove 15 is provided in the middle of one side of the connecting frame 3 , and the screw rod 6 is threadedly connected to the inside of the driving screw groove 15 .

[0029] The A clip 7 and the B clip 11 have the same horizontal height, so that the contact point between the A clip 7 and the B clip 11 and the pipeline is more accurate when the pipeline is fastened.

[0030] Specifically, when the pipe welding butt fixing device is working / in use: when in use, place the two pipes to be welded in a flat position, then place the device at the joint of the two pipes, so that the joint of the two pipes is located between the A clip 7 and the B clip 11, then rotate the remote control rod 14 to make the screw rod 6 push the A clip 7 to move toward the B clip 11, and tighten and fix the joint of the two pipes, so that the joint of the two pipes is kept flush under the pushing action of the A clip 7 and the B clip 11, so that it is convenient for personnel to weld the joint, avoiding the displacement of the joint during the welding process due to the loose fixation between the two pipes, making it difficult for the welded pipe to meet the use requirements and causing waste. At the same time, the equipment is relatively light and simple, which is convenient for personnel to carry and use, thereby improving the work efficiency of personnel.

[0031] Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that various changes, modifications, substitutions and variations may be made to the embodiments without departing from the principles and spirit of the present invention, and that the scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A pipe welding butt fixing device, comprising a supporting pipe body (1), characterized in that: The bottom end of the A support tube body (1) is fixedly connected to an A connection rod (2), the bottom end of the A connection rod (2) is fixedly connected to a connection frame (3), the internal thread of the connection frame (3) is connected to a control component, one end of the A support tube body (1) is provided with a plug hole, the inside of the plug hole is plugged with an inner rod (4), and one end of the inner rod (4) is fixedly connected to the B support tube body (5); The control assembly comprises a screw rod (6) threadedly connected to one side of the connection frame (3); one end of the screw rod (6) is rotatably connected to an A clip (7) via an A bearing; both ends of one side of the A clip (7) are fixedly connected to a limit rod (8); and both ends of one side of the connection frame (3) are provided with limit grooves (9) adapted to the limit rod (8).

2. A pipe welding butt fixing device according to claim 1, characterized in that: The bottom end of the B support tube body (5) is fixedly connected to a B connecting rod (10), and the bottom end of the B connecting rod (10) is fixedly connected to a B clip (11).

3. A pipe welding butt fixing device according to claim 1, characterized in that: A threaded hole is provided on the surface of one end of the A support tube body (1), and a bolt (12) for fixing the inner rod (4) is passed through the inner thread of the threaded hole.

4. A pipe welding butt fixing device according to claim 1, characterized in that: The other end of the screw rod (6) is fixedly connected to a remote lever disc (13), and one side of the remote lever disc (13) is rotatably connected to a remote lever (14) via a B bearing.

5. A pipe welding butt fixing device according to claim 1, characterized in that: A driving screw groove (15) is provided in the middle of one side of the connection frame (3), and the screw rod (6) is threadedly connected to the inside of the driving screw groove (15).

6. A pipe welding butt fixing device according to claim 2, characterized in that: The A clip (7) and the B clip (11) are at the same level.

Images