CN219598592U

CN219598592U - Rail clamping mechanism for pipeline welding

Info

Publication number: CN219598592U
Application number: CN202320773670.1U
Authority: CN
Inventors: 王喜春; 吴海音; 孙成成
Original assignee: Emi Pipeline Tech Co ltd
Current assignee: Emi Pipeline Tech Co ltd
Priority date: 2023-04-10
Filing date: 2023-04-10
Publication date: 2023-08-29
Anticipated expiration: 2033-04-10

Abstract

The utility model discloses a track clamping mechanism for pipeline welding, which relates to the technical field of welding and comprises a frame body, wherein at least one group of first clamping structures, at least one group of second clamping structures and a pushing structure for pushing the second clamping structures to be close to and/or far from the first clamping structures are arranged on the frame body, and the first clamping structures and the second clamping structures are used for clamping two ends of a pipeline. The utility model can adapt to rails with different curvatures and weld circular pipelines with different diameters through the adjustable guide wheels and the adjustable wheelbase, and meanwhile, the utility model can be quickly disassembled to increase the efficiency.

Description

Rail clamping mechanism for pipeline welding

Technical Field

The utility model belongs to the technical field of welding, and particularly relates to a track clamping mechanism for pipeline welding.

Background

In the field of pipeline welding, some companies begin to adopt automatic welding technology to weld large-diameter circular pipelines, the concrete principle is that an automatic welding machine rotating along the edges of the pipelines is arranged at the edges of the pipelines, the welding mode is time-saving and labor-saving, but the existing automatic pipeline welding machine head generally needs two clamping mechanisms for front and rear pairs of clamping wheels, when the machine head is disassembled or assembled, an operator needs to operate the disassembly and assembly mechanisms twice, the efficiency is low, after the machine head is disassembled or assembled, only one clamping mechanism is assembled or assembled, the pair of clamping wheels is clamped on a track, at the moment, if the machine head is not tightly held by a hand, the machine head is rocked, the machine head or the track is easy to damage, and in addition, a special design loading clamp is needed for pipelines with different diameters or different curvatures.

Disclosure of Invention

The utility model mainly solves the technical problems that the existing automatic welding clamp is troublesome to disassemble and assemble and inconvenient to adjust.

In order to solve the technical problems, the utility model adopts a technical scheme that:

the track clamping mechanism for pipeline welding comprises a frame body, wherein at least one group of first clamping structures, at least one group of second clamping structures and a pushing structure for pushing the second clamping structures to be close to and/or far from the first clamping structures are arranged on the frame body, and the first clamping structures and the second clamping structures are used for clamping two ends of a pipeline;

the pushing structure comprises a pushing handle, a connecting shaft and a pushing block, wherein the connecting shaft is used for sleeving the pushing handle, the pushing handle rotates on the connecting shaft to enable the pushing block to be close to and/or far away from the first clamping structure, and the second clamping structure is arranged on the pushing block; (this construction is used to clamp both sides of a pipe)

The first clamping structure comprises a first adjusting piece, the first clamping structure is provided with a first adjusting groove, one end of the first adjusting piece is fixedly connected with the frame body, and the other end of the first adjusting piece is fixed at any position of the first adjusting groove through a fixing piece;

the second clamping structure comprises a second adjusting piece, the pushing block is provided with a second adjusting groove, one end of the second adjusting piece is fixedly connected with the pushing block, and the other end of the second adjusting piece is fixed at any position of the second adjusting groove through a fixing piece. (this structure is used to adapt pipes of different widths).

Further, the first clamping structure and the second clamping structure respectively comprise a clamping block and a guide wheel, the clamping block is fixedly connected with the first adjusting piece/the second adjusting piece, and the guide wheel is rotatably connected with the clamping block.

Further, two guide wheels are arranged, and the two guide wheels are respectively positioned on the upper end face and the lower end face of the pipeline.

Further, the push handle is provided with a rotating hole, the rotating hole is eccentrically arranged, and a cam base is arranged between the push handle and the push block.

Further, the adjusting groove is an arc-shaped adjusting groove.

Further, a fixed block is arranged on the frame body, a guide shaft is arranged on the fixed block, the connecting shaft is sleeved with the guide shaft, and the connecting shaft moves on the guide shaft under the action of a pushing handle.

Further, a reset elastic piece is arranged between the guide shaft and the fixed block

The utility model has the beneficial effects that:

1. the utility model can be adapted to pipelines with different curvatures by the adjustable guide wheels and the adjustable wheelbase, and circular pipelines with different diameters can be welded.

2. When the wrench is used, the wrench is pressed by clamping the edge of the pipeline into the guide wheel, and the wrench can be quickly disassembled by reversely loosening the wrench during disassembly, so that the working efficiency is greatly improved.

Drawings

In order to more clearly illustrate the embodiments of the utility model or the technical solutions in the prior art, the drawings that are required in the embodiments or the description of the prior art will be briefly described, it being obvious that the drawings in the following description are only some embodiments of the utility model, and that other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic view of a second clamping mechanism;

FIG. 2 is a schematic view of a first clamping mechanism;

FIG. 3 is a schematic view of the use state;

reference numerals illustrate:

1. a frame body; 2. a first clamping mechanism; 21. a first adjustment member; 22. a first adjustment tank; 23. a clamping block; 24. a guide wheel; 3. a second clamping structure; 31. a second adjusting member; 32. a second regulating groove; 4. a pushing structure; 41. pushing the handle; 42. a connecting shaft; 43. a pushing block; 44. a fixed block; 45. a cam base;

Detailed Description

The preferred embodiments of the present utility model will be described in detail below with reference to the accompanying drawings so that the advantages and features of the present utility model can be more easily understood by those skilled in the art, thereby making clear and defining the scope of the present utility model.

DETAILED DESCRIPTION OF EMBODIMENT (S) OF INVENTION

As shown in fig. 1 to 3, a track clamping mechanism for pipe welding comprises a frame body 1, wherein at least one group of first clamping structures 2, at least one group of second clamping structures 3 and a pushing structure 4 for pushing the second clamping structures 3 to be close to and/or far from the first clamping structures 2 are arranged on the frame body 1, and the first clamping structures 2 and the second clamping structures 3 are used for clamping two ends of a pipe;

the pushing structure 4 comprises a pushing handle 41, a connecting shaft 42 for sleeving the pushing handle and a pushing block 43, the pushing handle 41 rotates on the connecting shaft 42 to enable the pushing block 43 to be close to and/or far away from the first clamping structure 2, and the second clamping structure 3 is mounted on the pushing block 43;

the first clamping structure 2 comprises a first adjusting piece 21, the first clamping structure 2 is provided with a first adjusting groove 22, one end of the first adjusting piece 21 is fixedly connected with the frame body 1, and the other end of the first adjusting piece 21 is fixed at any position of the first adjusting groove 22 through a fixing piece;

the second clamping structure 3 comprises a second adjusting member 31, the pushing block 43 is provided with a second adjusting groove 32, one end of the second adjusting member 31 is fixedly connected with the pushing block 43, and the other end of the second adjusting member 31 is fixed at any position of the second adjusting groove 32 through a fixing member.

Specifically, the first clamping structure 2 and the second clamping structure 3 respectively include a clamping block 23 and a guide wheel 24, the clamping block 23 is fixedly connected with the first adjusting member 21 and the second adjusting member 31, and the guide wheel 24 is rotatably connected with the clamping block 23.

Specifically, two guide wheels 24 are provided, and the two guide wheels 24 are respectively located on the upper end face and the lower end face of the pipeline.

Specifically, the pushing handle 41 is provided with a rotating hole, the rotating hole is eccentrically arranged, and a cam base 45 is arranged between the pushing handle 41 and the pushing block 43.

Specifically, the adjusting groove is an arc-shaped adjusting groove.

Specifically, the frame body is provided with a fixed block 44, the fixed block 44 is provided with a guide shaft, the connecting shaft 42 is sleeved with the guide shaft, and the connecting shaft 42 moves on the guide shaft under the action of a pushing handle.

Specifically, a reset elastic member is disposed between the guide shaft and the fixed block 44.

Working principle:

the swing pushing handle can push the second clamping mechanism to move inwards, the first clamping mechanism is motionless, therefore, the distance between two ends can be adjusted, when the pushing handle is reversely loosened, under the action of the reset elastic piece, the second clamping mechanism is pushed to return, so when the pushing handle is disassembled, the pushing handle is loosened to be disassembled, the arc-shaped adjusting grooves are designed for the first clamping mechanism and the second clamping mechanism, the first adjusting piece can move in the grooves and adjust according to different curvatures so as to adapt to different pipelines, a welding power source can supply power to the motor, power is provided, the power gear is driven to rotate after the gear set, the latch coordinated with the power gear is arranged on the power gear, therefore, the frame body can rotate on the pipeline along the pipeline, and the automatic welding machine can be started at the moment to weld the pipeline under the action of the control system.

The foregoing description is only illustrative of the present utility model and is not intended to limit the scope of the utility model, and all equivalent structural changes made by the present utility model and the accompanying drawings, or direct or indirect application in other related technical fields, are included in the scope of the present utility model.

Claims

1. A track clamping mechanism for pipeline welding is characterized in that: the device comprises a frame body (1), wherein at least one group of first clamping structures (2), at least one group of second clamping structures (3) and a pushing structure (4) for pushing the second clamping structures (3) to be close to or far from the first clamping structures (2) are arranged on the frame body (1), and the first clamping structures (2) and the second clamping structures (3) are used for clamping two ends of a pipeline;

the pushing structure (4) comprises a pushing handle (41), a connecting shaft (42) for sleeving the pushing handle and a pushing block (43), the pushing handle (41) rotates on the connecting shaft (42) to enable the pushing block (43) to be close to and/or far away from the first clamping structure (2), and the second clamping structure (3) is mounted on the pushing block (43);

the first clamping structure (2) comprises a first adjusting piece (21), the first clamping structure (2) is provided with a first adjusting groove (22), one end of the first adjusting piece (21) is fixedly connected with the frame body (1), and the other end of the first adjusting piece (21) is fixed at any position of the first adjusting groove (22) through a fixing piece;

the second clamping structure (3) comprises a second adjusting piece (31), the pushing block (43) is provided with a second adjusting groove (32), one end of the second adjusting piece (31) is fixedly connected with the pushing block (43), and the other end of the second adjusting piece (31) is fixed at any position of the second adjusting groove (32) through a fixing piece.

2. A rail clamping mechanism for pipe welding as defined in claim 1, wherein: the first clamping structure (2) and the second clamping structure (3) respectively comprise a clamping block (23) and a guide wheel (24), the clamping block (23) is fixedly connected with the first adjusting piece (21)/the second adjusting piece (31), and the guide wheel (24) is rotationally connected with the clamping block (23).

3. A rail clamping mechanism for pipe welding as defined in claim 2, wherein: the guide wheels (24) are arranged in two, and the two guide wheels (24) are respectively positioned on the upper end face and the lower end face of the pipeline.

4. A rail clamping mechanism for pipe welding as defined in claim 1, wherein: the pushing handle (41) is provided with a rotating hole, the rotating hole is eccentrically arranged, and a cam base (45) is arranged between the pushing handle (41) and the pushing block (43).

5. A rail clamping mechanism for pipe welding as defined in claim 1, wherein: the adjusting groove is an arc-shaped adjusting groove.

6. A rail clamping mechanism for pipe welding as defined in claim 1, wherein: the machine frame is characterized in that a fixed block (44) is arranged on the machine frame body, a guide shaft is arranged on the fixed block (44), the connecting shaft (42) is sleeved with the guide shaft, and the connecting shaft (42) moves on the guide shaft under the action of a pushing handle.

7. The rail clamping mechanism for pipe welding according to claim 6, wherein: a reset elastic piece is arranged between the guide shaft and the fixed block (44).