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External opening aligning machine for pipelines

A technology of external counterparts and pipelines, applied in the direction of tubular objects, auxiliary devices, applications, etc., can solve the problems of complex adjustment operations and low efficiency, and achieve the effects of reducing operating space, reducing labor intensity, improving position adjustment accuracy and automation

Active Publication Date: 2016-10-26
HUBEI SANJIANG AEROSPACE GRP HONGYANG ELECTROMECHANICAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] The invention provides a pipeline external alignment machine, which solves the technical problems of the prior art that the alignment of the pipe opening and the adjustment of the weld seam gap are complicated and inefficient.

Method used

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  • External opening aligning machine for pipelines
  • External opening aligning machine for pipelines
  • External opening aligning machine for pipelines

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Embodiment Construction

[0043] The embodiment of the present application solves the technical problems of complex operation and low efficiency of pipe alignment and weld gap adjustment in the prior art by providing a pipe external alignment machine; it improves the automation and efficiency of pipe alignment operations and reduces labor intensity and equipment complexity.

[0044] In order to better understand the above technical solutions, the above technical solutions will be described in detail below in conjunction with the accompanying drawings and specific implementation methods. It should be understood that the embodiments of the present invention and the specific features in the embodiments are detailed descriptions of the technical solutions of the present application. , rather than limiting the technical solutions of the present application, the embodiments of the present application and the technical features in the embodiments can be combined without conflict.

[0045] The device and its w...

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Abstract

The invention belongs to the technical field of pipeline welding and discloses an external opening aligning machine for pipelines. The external opening aligning machine for the pipelines comprises a fixed clamping assembly, a movable clamping assembly, a guide rod and a horizontally-moving hydraulic cylinder. The guide rod is arranged between the fixed clamping assembly and the movable clamping assembly. The horizontally-moving hydraulic cylinder is connected with the fixed clamping assembly and the movable clamping assembly. The fixed clamping assembly comprises a first upper frame and a first lower swing arm. The first lower swing arm is hinged to the first upper frame through a hinge shaft. The movable clamping assembly comprises a second upper frame and a second lower swing arm. The second lower swing arm is hinged to the second upper frame through a hinge shaft. During opening aligning operation, the main pipeline abuts against the inner side of the first upper frame, and the first lower swing arm tightly presses the main pipeline in the first upper frame; the auxiliary pipeline abuts against the inner side of the second upper frame, and the second lower swing arm tightly presses the main pipeline in the second upper frame; and the horizontally-moving oil cylinder pulls the movable clamping assembly to move towards the fixed clamping assembly. The pipeline opening aligning machine which is high in reliability and adjusting efficiency is provided.

Description

technical field [0001] The invention relates to the technical field of pipeline welding, in particular to a pipeline external matching machine. Background technique [0002] Large-diameter long-distance oil and gas pipelines are an important way of oil and gas transportation, and a lot of welding work is required during construction. [0003] At present, the preparatory work before the welding construction of large-diameter long-distance oil and gas pipelines mainly includes nozzle correction, assembly and weld gap adjustment. There are mainly two ways to complete it, one is done manually, that is, the pipelayer is used to cooperate with the manual external counterpart, and the hydraulic jack or the adjustment bolt is manually operated to complete the correction, alignment and weld gap adjustment of the nozzle. The other is completed in a semi-automatic way, that is, the pipelayer is used to cooperate with the inner counterpart, and the inner counterpart performs automatic ...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B23K37/053
CPCB23K37/0533B23K2101/06
Inventor 罗刚颜文星朱东志张洪刁凤东刘文乐李颂宏张英奎丁英利刘彦青吴大伟
Owner HUBEI SANJIANG AEROSPACE GRP HONGYANG ELECTROMECHANICAL
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