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Method for butting straight bent pipe and straight pipe of long transmission line pipeline with small and medium pipe diameters in air

A technology of aerial docking and straight bending, which is applied to tubular objects, welding equipment, auxiliary welding equipment, etc., can solve the problems of increasing the labor intensity of construction personnel, consuming manpower, material resources, and having potential safety hazards, shortening the construction period, reducing The effect of labor intensity and improving docking quality

Pending Publication Date: 2021-07-13
CHINA MCC17 GRP
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, at the construction site, due to the limitation of the space environment of the site, the butt joint construction of straight bend pipes and straight pipes of some small and medium diameter long pipelines consumes a lot of manpower and material resources, and the construction period is long, which often affects the progress of the next process. , increasing the labor intensity of construction workers, and there are still potential safety hazards; therefore, there is an urgent need for a method of connecting straight elbows and straight pipes in the air with small and medium diameter long pipelines to solve this problem

Method used

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  • Method for butting straight bent pipe and straight pipe of long transmission line pipeline with small and medium pipe diameters in air
  • Method for butting straight bent pipe and straight pipe of long transmission line pipeline with small and medium pipe diameters in air
  • Method for butting straight bent pipe and straight pipe of long transmission line pipeline with small and medium pipe diameters in air

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Embodiment Construction

[0026] like Figure 1-4 As shown, the method for connecting the straight bend pipe and the straight pipe of the small and medium diameter long transmission line pipeline in the air includes the following specific steps:

[0027] S1 ground assembly straight bend pipe section 1: select a flat site at the construction site, assemble the straight pipe part and the bend pipe part, and complete the welding to obtain the straight bend pipe section 1;

[0028] S2 Weld traction positioning block: Weld traction positioning block 6 on the curved pipe part of straight pipe section 1. The welding position is located at the outer periphery of one end of the curved pipe part close to the straight pipe part. The traction positioning block 6 is provided on the side away from the straight pipe part open mouth

[0029] S3 Set the bracket 3: Fix at least two brackets 3 on the construction site. The upper end of the bracket 3 is equipped with a pipe support 2 to prevent the pipe fittings from rol...

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Abstract

The invention discloses a method for butting a straight bent pipe and a straight pipe of a long transmission line pipeline with small and medium pipe diameters in air, relates to the technical field of pipeline construction, and aims to improve the construction quality and the construction efficiency and reduce the construction cost and unsafe factors at the same time. The method comprises the steps that 1, straight bent pipe sections are assembled on the ground, and welding is completed; 2, traction positioning blocks are welded to the outer sides of the bent pipe parts of the straight bent pipe sections; 3, supports are arranged, and pipe brackets are arranged on the supports; 4, the straight bent pipe sections and straight pipe sections are hoisted to the pipe brackets; and 5, chain blocks and traction steel wire ropes are used for pulling the traction positioning blocks to move pipe fittings, an operation platform is erected at the upper ends of the supports, and welding construction is conducted on the to-be-butt-jointed positions of the straight bent pipe sections and the straight pipe sections to complete air butt joint. The method is convenient to operate, safe and reliable to use and high in applicability, the construction cost and unsafe factors are reduced, and the construction quality and the construction efficiency are improved.

Description

technical field [0001] The invention relates to the technical field of pipeline construction, in particular to a method for butt jointing straight bends and straight pipes of small and medium-sized pipe diameters and long pipelines in the air. Background technique [0002] At present, the installation of medium and small-diameter long-distance pipelines is usually carried out after the completion of grouping and pairing on the ground for hoisting and construction. However, at the construction site, due to the limitation of the space environment of the site, the butt joint construction of straight bend pipes and straight pipes of some small and medium diameter long pipelines consumes a lot of manpower and material resources, and the construction period is long, which often affects the progress of the next process. , increased the labor intensity of construction workers, and there are still potential safety hazards; therefore, there is an urgent need for small and medium-sized...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K37/00B23K37/053B23K101/06
CPCB23K37/00B23K37/0533B23K2101/06
Inventor 高忠明胡巍
Owner CHINA MCC17 GRP
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