Large-scale pipeline jig

Abstract

The invention discloses a pipeline jig which is dedicated to clamping large-scale pipelines and is characterized by being provided with at least two sections of basic arc strips. The basic arc stripsare connected end to end in turn to form a basic support circle which is provided with at least two rotary pins; the rotary pin is connected with an arc-shaped rotary arm; one end of the arc-shaped rotary arm is fixedly connected with the rotary pin; and the other end of the arc-shaped rotary arm is provided with a loose pin installation jig. The invention has the following obvious effects: providing a stable support platform for the welding and cutting devices, having simple structure and convenient assembly and disassembly of the support platform, being convenient for the operation of the welding and cutting devices on the support platform, controlling the work of the welding and cutting devices through a computer, replacing manual operation and ensuring the stability and high efficiencyof construction quality.

Description

technical field [0001] The invention belongs to a pipeline clamping mechanism, in particular to a pipeline clamp used for cutting and welding large pipelines. Background technique [0002] As people's demand for energy and water increases, the pipelines that transmit oil, natural gas, and water energy resources are becoming more and more large-scale. The large-scale pipeline network is composed of several large-diameter steel pipes welded in sequence. , The passage of high-pressure and strong fluids requires very high welding technology between steel pipes, requiring straight weld seams and thin weld scars. [0003] At the same time, in the transformation of the old pipe network, there is also a lack of special cutting equipment, and only manual welding and manual cutting are used, which has high requirements for the workers' operating skills and operation stability, which also increases the construction cost. difficulty and intensity. [0004] The disadvantages of the exi...

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Problems solved by technology

[0003] At the same time, in the transformation of the old pipe network, there is also a lack of special cutting equipment, and only manual welding and manual cutting are used, which has high requirements for the workers' operating skills and operation stability, which also increases the construction cost. difficulty and intensity

[0004] The disadvantages of the existing technology are: there is no special large-scale pipe clamping equipment, and it cannot provide a stable support platform for welding and cutting equipment. Only manual welding and manual cutting can be used. The difficulty and intensity of construction are high, the construction speed is full, and the welding Unstable quality

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