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Gas pipeline weld joint protection device

A protection device and gas pipeline technology, applied in auxiliary devices, welding equipment, auxiliary welding equipment, etc., can solve the problems of not allowing repairs, waste of manpower and material resources, saving manpower and material resources, increasing compressive strength, and uniform force Effect

Active Publication Date: 2020-06-09
山东泰阳特种设备检测科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Therefore, in the construction of long-distance pipelines, crack defects are not allowed to exist, and usually they are not allowed to be repaired. They must be cut and re-welded, but this will cause a lot of waste of manpower and material resources.

Method used

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Embodiment Construction

[0019] Embodiments of the present invention are further described below in conjunction with accompanying drawings:

[0020] like Figure 1-Figure 3 as shown,

[0021] The gas pipeline weld protection device of the present invention comprises a chassis 11, two front wheels 12 are respectively installed on both sides of the front end of the chassis 11, two rear wheels 18 are respectively installed on the rear end of the chassis 11, and two main wheels 18 are vertically fixed on the upper surface of the chassis 11. Hydraulic cylinder 9, the piston rods of the two main hydraulic cylinders 9 are fixed on the same lifting plate 8, and the two auxiliary hydraulic cylinders 7 are vertically fixed on both sides of the lifting plate 8, and the piston rods of the two auxiliary hydraulic cylinders 7 are fixed On the same cross bar 6, the two ends of the cross bar 6 vertically fix the vertical rods 5 respectively, and the turning rollers 19 are respectively installed on the two vertical b...

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Abstract

The invention relates to a gas pipeline weld joint protection device, and belongs to the field of oil and gas transmission. The device comprises a chassis, wherein two front wheels are installed on the two sides of the front end of the chassis correspondingly, two rear wheels are installed at the rear end of the chassis, two main hydraulic cylinders are vertically fixed to the upper surface of thechassis, piston rods of the two main hydraulic cylinders are fixed to the same lifting disc, two auxiliary hydraulic cylinders are vertically fixed to the two sides of the lifting disc correspondingly, piston rods of the two auxiliary hydraulic cylinders are fixed to the same transverse rod, vertical rods are vertically fixed to the two ends of the transverse rod correspondingly, rotating rollersare installed on the two vertical rods correspondingly, the distance between the two rotating rollers is smaller than the diameter of a pipeline, two Y-shaped frames are vertically fixed to the two sides of the lifting disc correspondingly, and a rotating shaft is supported by the Y-shaped frames. According to the device, the welding position of the pipeline is protected through a ring, the situation that due to huge pressure of the pipeline, defective weld joints crack, and accidents happen is avoided, meanwhile, manpower and material resources are saved, and oxidation corrosion of the welding position can be avoided.

Description

technical field [0001] The invention relates to a gas transmission pipeline weld seam protection device, which belongs to the field of oil and gas transmission. Background technique [0002] Current status of my country's oil and gas pipeline construction Pipeline transportation is the main means of energy transmission, and pipelines occupy a very important position in modern production and life. It has been widely used in the transportation of water, oil, gas, coal, communication, power supply, transportation, transportation and drainage, etc. It is the lifeline of society. In recent years, with the rapid development of the national economy, the growth of energy demand and the adjustment of energy structure, the number of long-distance oil and gas pipelines in my country has been laid, and the technology of pipeline construction has also been continuously developed. [0003] Defect cracks in pipeline welding construction are the most harmful defects in welding, which mainl...

Claims

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Application Information

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IPC IPC(8): B23K37/00
CPCB23K37/00
Inventor 张继波
Owner 山东泰阳特种设备检测科技有限公司
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