Device and process for removing local overheating effect in pipeline welding process

A welding process and local overheating technology, applied in welding protection devices, welding equipment, welding accessories, etc., can solve the problems of unsuitable welding of large-diameter pipelines, lack of solutions, low pipeline production efficiency, etc., to achieve welding automation, eliminate Local overheating, the effect of improving production efficiency

Inactive Publication Date: 2017-07-25
山东朝日不锈钢有限公司
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  • Abstract
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Problems solved by technology

However, using manual methods to eliminate local overheating, the pipeline production efficiency is low, and the product optimization rate is not high
Moreover, the application of traditional cooling methods is relatively limited, and it is not suitable for welding large-diameter pipes
[0005] To sum up, in the prior art, there is still no effective solution to the problem of eliminating the local overheating effect in the pipeline welding process

Method used

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  • Device and process for removing local overheating effect in pipeline welding process
  • Device and process for removing local overheating effect in pipeline welding process

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Embodiment Construction

[0029] It should be noted that the following detailed description is exemplary and intended to provide further explanation of the invention. Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which this invention belongs.

[0030] It should be noted that the terminology used herein is for the purpose of describing specific embodiments only, and is not intended to limit the exemplary embodiments according to the present invention. As used herein, unless the context clearly dictates otherwise, the singular is intended to include the plural as well, furthermore, it is to be understood that when the terms "comprising" and / or "including" are used in this specification, it indicates that There are features, steps, operations, devices, components and / or combinations thereof.

[0031] As described in the background art, the prior art has the deficiency that the local overheating ...

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Abstract

The invention discloses a device and process for removing the local overheating effect in the pipeline welding process. According to the device and process, the phenomenon of local overheating of a weld can be removed effectively. According to the technical scheme, the device comprises a mechanical skeleton, a cooling sleeve I, a cooling sleeve II, a cooling sleeve III, a cooling sleeve IV, a suspension rod I, a suspension rod II, a water injecting pipe and an argon injecting pipe; the inner sides of the cooling sleeve III and the cooling sleeve IV make contact with a welding pipeline; the mechanism skeleton is arranged on the outer sides of the cooling sleeve III and the cooling sleeve IV; the cooling sleeve I and the cooling sleeve II are arranged on the outer side of the mechanism skeleton; a cavity formed between the mechanism skeleton and the cooling sleeve III is a water storage cavity; a cavity formed among the cooling sleeve II, the mechanism skeleton and the cooling sleeve IV is an argon cavity; the suspension rod I and the water injecting pipe are arranged on the outer side of the cooling sleeve I; and the suspension II and the argon injecting pipe are arranged on the outer side of the cooling sleeve II.

Description

technical field [0001] The invention relates to the field of pipeline welding, in particular to a device and a process for eliminating local overheating effect during pipeline welding. Background technique [0002] As one of the five major transportation industries of railways, highways, sea transportation, civil aviation and long-distance pipelines, pipeline transportation plays an important role in the construction of the national economy. The transportation medium is mainly common oil and natural gas, as well as industrial gas and chemical liquid. The construction of the pipeline network requires an effective pipeline welding process to implement; in addition, the promotion of the concept of high efficiency and energy saving puts forward requirements for the efficient connection of pipelines. [0003] Common welding methods include arc welding, laser welding, flash butt welding, high frequency rotary arc welding, axial friction welding, radial friction welding, etc. Arc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K9/16B23K9/32
CPCB23K9/0282B23K9/133B23K9/16B23K9/167B23K9/173B23K9/32B23K9/321B23K9/323
Inventor 肖弘宇秦国梁肖国栋江海红敖志勇杨成营
Owner 山东朝日不锈钢有限公司
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