CN213318664U - Pipeline butt welding clamp - Google Patents

Pipeline butt welding clamp Download PDF

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Publication number
CN213318664U
CN213318664U CN202021084681.1U CN202021084681U CN213318664U CN 213318664 U CN213318664 U CN 213318664U CN 202021084681 U CN202021084681 U CN 202021084681U CN 213318664 U CN213318664 U CN 213318664U
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China
Prior art keywords
clamp
arc
pipeline
arc clamp
clamping mechanism
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Active
Application number
CN202021084681.1U
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Chinese (zh)
Inventor
谭廷秀
张建勇
向云飞
杨春龙
李海铮
蒋颐
萧家武
陆彦廷
陈战
周文扬
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Zhanjiang Nanhai West Oil Survey & Design Co ltd
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Zhanjiang Nanhai West Oil Survey & Design Co ltd
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Priority to CN202021084681.1U priority Critical patent/CN213318664U/en
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Publication of CN213318664U publication Critical patent/CN213318664U/en
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Abstract

The utility model discloses a pipeline is to mouthful welding jig, including circular anchor clamps and clamping mechanism, one side of circular anchor clamps is through articulated connection, is equipped with clamping mechanism with articulated relative opposite side, circular anchor clamps comprises last arc clamp and lower arc clamp, it is articulated through articulated axle with the corresponding one end of lower arc clamp to go up the arc clamp, it is equipped with clamping mechanism with the corresponding other end of lower arc clamp to go up the arc clamp. The utility model has the characteristics of simple structure, simple operation, structure are reliable, solved the difficult problem of mouth of pipe butt joint of job site pipeline when the space is narrow, improved the concentricity and the work efficiency of pipeline butt joint port simultaneously greatly.

Description

Pipeline butt welding clamp
Technical Field
The utility model relates to a pipeline maintenance technical field, in particular to pipeline is to mouthful welding jig.
Background
In the development of offshore oil, the transportation of oil and gas cannot leave an oil and gas pipeline. But the installation of oil gas pipeline is because of its self quality is heavier, length is longer, receive the restriction of many factors of environmental space during the installation easily, then the group is installed in the irrigation canals and ditches of excavation more often in open-air land, receive the restriction of irrigation canals and ditches space, if install on the platform module then receive the restriction of scaffold frame and equipment around again, all can bring very big degree of difficulty for the installation, add the method that traditional group adopted to weld interim sign indicating number board and beat the voussoir and make level alignment always, simple and crude fall behind, inefficiency, simultaneously, still have a great deal of difficult problems in the operation:
1. the welding seam is easy to crack: when the temporary code plate and the wedge block are used for leveling and aligning the butt joint port of the pipeline, the code plate often cracks due to the fact that the stress is too large, the welding line of the butt joint port of the pipeline needs to be knocked off or cut and polished when the pipeline is dismantled, and the base metal of the pipe wall is easily damaged.
2. Construction danger is increased: the temporary code plate and the wedge block are forced too much when adjusting the pipe orifice, which easily causes the welding line to burst and fall to injure constructors.
3. Labor and material consumption: when the large-diameter pipe openings are assembled, a certain number of stacking plates and wedge blocks need to be prepared, and a certain amount of labor and materials need to be consumed.
4. The work efficiency is low: the assembly process is complicated by leveling and aligning by using a temporary stacking plate and wedge block beating method, when opposite stacking plates are used for beating wedge blocks, the wedging degree between the temporary stacking plate and the wedge blocks is difficult to control, and when the wedge blocks are wedged too much, the wedge blocks need to be beaten back to return, and the process is repeated and is difficult to finish at one time.
5. The working space is limited: pipeline group to the open-air pipeline group, pipeline group to the module is right, can be because of the narrow and small pipeline group of unable application in job site operation space is to erection equipment to greatly increased the mouth of pipe to right the time unable uniformity that reaches the concentricity, reduced work efficiency.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a pipeline is to mouthful welding jig has simple structure, simple operation, the reliable characteristics of structure, has solved the difficult problem of mouth of pipe butt joint of job site pipeline when the space is narrow, has improved the concentricity and the work efficiency of pipeline butt joint port simultaneously greatly.
In order to achieve the above purpose, the utility model adopts the following technical scheme:
a pipeline butt welding fixture comprises a circular fixture and a clamping mechanism, wherein one side of the circular fixture is connected through a hinge, the other side opposite to the hinge is provided with the clamping mechanism,
the circular clamp is composed of an upper arc-shaped clamp body and a lower arc-shaped clamp body, the corresponding end of the upper arc-shaped clamp body and the corresponding end of the lower arc-shaped clamp body are hinged through a hinge shaft, and the other end, corresponding to the lower arc-shaped clamp body, of the upper arc-shaped clamp body is provided with a clamping mechanism.
The clamping mechanism comprises a hydraulic jack, a movable connecting rod, a hanging buckle and a hook, wherein the hydraulic jack is arranged on the end part of the upper arc-shaped clamp body extending out of the seat, the hanging buckle is arranged on a piston of the hydraulic jack through the movable connecting rod, and the hook extending out and corresponding to the hanging buckle is arranged at the end part of the lower arc-shaped clamp body.
The upper arc-shaped clamp body and the lower arc-shaped clamp body are respectively formed by welding two identical arc-shaped steel materials and a positioning block.
The positioning block is connected between the inner arcs of two identical arc-shaped steel materials.
The positioning blocks are provided with 6 or 8 positioning blocks which are uniformly arranged in a mutually corresponding mode.
The utility model has the advantages that:
the utility model can be used as a small portable tool for omnibearing adjustment of pipe orifice butt joint, can evolve pipe orifice assembly in a small space, and is convenient for transportation, disassembly and assembly and displacement; simple operation, long service life and is beneficial to recycling.
The concentricity of the pipeline butt joint is adjusted in the loose and tight adjustment through the tensioning force of the hydraulic jack, so that a large amount of manpower is avoided from being pried and adjusted, or the defects of operation caused by the matching of hoisting equipment and the additional installation of a temporary adjusting clamping plate can be overcome, and the operation efficiency and the operation safety guarantee are effectively improved.
Drawings
Fig. 1 is a schematic side view of the present invention.
Fig. 2 is a front view of the present invention.
In the figure: 1 upper arc clamp body, 2 lower arc clamp body, 3 articulated shafts, 4 hydraulic jacks, 5 movable connecting rods, 6 hanging buckles, 7 hooks and 8 positioning blocks.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
As shown in fig. 1 and 2, a pipeline butt-welding fixture comprises a circular fixture and a clamping mechanism, wherein one side of the circular fixture is connected through a hinge, the other side opposite to the hinge is provided with the clamping mechanism,
circular anchor clamps comprises last arc clamp 1 and lower arc clamp 2, it is articulated through articulated shaft 3 with the corresponding one end of lower arc clamp 2 to go up arc clamp 1, is convenient for frequently dismantle and install the butt joint port of pipeline, it is equipped with clamping mechanism with the corresponding other end of lower arc clamp 2 to go up arc clamp 1.
The clamping mechanism comprises a hydraulic jack 4, a movable connecting rod 5, a hanging buckle 6 and a hook 7, wherein the hydraulic jack 4 is arranged on a seat extending out of the end part of the upper arc-shaped clamp body 1, the hanging buckle 6 is arranged on a piston of the hydraulic jack 4 through the movable connecting rod 5, and the hook 7 extending out and corresponding to the hanging buckle 6 is arranged at the end part of the lower arc-shaped clamp body 2.
The upper arc-shaped clamp body 1 and the lower arc-shaped clamp body 2 are respectively formed by welding two arc-shaped steel materials and a positioning block 8.
The positioning block 8 is connected between the inner arcs of two identical arc-shaped steel materials.
6 or 8 positioning blocks are arranged on the positioning block 8 and are uniformly arranged in a corresponding mode.
When the pipelines are assembled and welded, firstly, the butt joint ports of the pipelines are polished in advance according to a welding process, the polished butt joint ports of the two pipelines are abutted together, meanwhile, a welding seam between the butt joint ports is reserved, then the upper arc-shaped clamp body 1 is opened relative to the lower arc-shaped clamp body 2 through the articulated shaft 3 and is placed on the welding seam of the butt joint port of the pipeline to be assembled, the welding seam needs to be positioned between two identical arc-shaped steel materials of the upper arc-shaped clamp body 1 and the lower arc-shaped clamp body 2, a positioning block 8 is ensured to be fully contacted with the pipe body of the pipeline, the hanging buckle 6 on the movable connecting rod 5 is pulled down to be hung on the hanging hook 7 below the hydraulic jack 4, the hydraulic jack 4 is started, the hanging buckle 6 is driven through the movable connecting rod 5 on the piston of the hydraulic jack 4, the upper arc-shaped clamp body 1 and the lower arc-shaped clamp body 2 are tightened together, and, the welding work of the butt joint port of the pipeline can be carried out.
The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting, and it should be understood by those skilled in the art that any modifications, variations or equivalent substitutions made to the technical solutions described in the embodiments should fall within the scope of the present invention.

Claims (5)

1. The utility model provides a pipeline is to mouthful welding jig which characterized in that: comprises a circular clamp and a clamping mechanism, one side of the circular clamp is connected by a hinge, the other side opposite to the hinge is provided with the clamping mechanism,
circular anchor clamps comprise last arc clamp (1) and lower arc clamp (2), it is articulated through articulated shaft (3) with the corresponding one end of lower arc clamp (2) to go up arc clamp (1), it is equipped with clamping mechanism with the corresponding other end of lower arc clamp (2) to go up arc clamp (1).
2. The pipeline butt-welding fixture according to claim 1, characterized in that: clamping mechanism, including hydraulic jack (4), movable connecting rod (5), hang and detain (6) and couple (7), the tip of going up arc clamp (1) is stretched out and is equipped with hydraulic jack (4) on the seat, is equipped with through movable connecting rod (5) on the piston of hydraulic jack (4) and hangs and detain (6), the tip of arc clamp (2) is equipped with and stretches out and with hang couple (7) that detain (6) corresponding down.
3. The pipeline butt-welding fixture according to claim 1, characterized in that: the upper arc-shaped clamp body (1) and the lower arc-shaped clamp body (2) are respectively formed by welding two identical arc-shaped steel materials with the positioning block (8).
4. The pipeline butt-welding clamp according to claim 3, characterized in that: the positioning block (8) is connected between the inner arcs of two identical arc-shaped steel materials.
5. The pipe butt-welding fixture according to claim 3 or 4, wherein: the number of the positioning blocks (8) is 6 or 8, and the positioning blocks are uniformly arranged in a corresponding mode.
CN202021084681.1U 2020-06-12 2020-06-12 Pipeline butt welding clamp Active CN213318664U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202021084681.1U CN213318664U (en) 2020-06-12 2020-06-12 Pipeline butt welding clamp

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202021084681.1U CN213318664U (en) 2020-06-12 2020-06-12 Pipeline butt welding clamp

Publications (1)

Publication Number Publication Date
CN213318664U true CN213318664U (en) 2021-06-01

Family

ID=76080449

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202021084681.1U Active CN213318664U (en) 2020-06-12 2020-06-12 Pipeline butt welding clamp

Country Status (1)

Country Link
CN (1) CN213318664U (en)

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