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Pipeline joint

A technology for pipe joints and pipes, applied in the direction of pipes/pipe joints/fittings, flange connections, through components, etc., can solve the problems of difficult alignment of screw holes, reduced operator work efficiency, heavy pipeline weight, etc., to improve installation. The effect of efficiency

Inactive Publication Date: 2014-04-16
天津佩霖分析仪器有限公司
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  • Abstract
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Problems solved by technology

At present, the main connection method is to weld the flanges at both ends of each pipe, and then use bolts to butt the flanges on the two pipes to fix them. However, this method has some shortcomings during installation, mainly When the two pipes are connected, the screw holes are not easy to align. It is often necessary to rotate or move the pipe as a whole to align the screw holes of the flanges on the two pipes. Due to the heavy weight of the pipes, it is difficult to control and grasp the scale when rotating the pipes , thus reducing operator productivity

Method used

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Embodiment Construction

[0008] Below in conjunction with accompanying drawing, the present invention is described in further detail;

[0009] Such as figure 1 As shown, the retaining ring 1 is welded on both ends of the pipe 3, the flange 2 is set on the pipe 3, the flange 2 is movably matched with the outer wall of the pipe 3, and the flange is provided with 3-6 flange holes 4, the French The inner diameter of the flange 2 is larger than the outer diameter of the pipe 3 and smaller than the outer diameter of the retaining ring 1. During installation, two pipes 3 welded with the retaining ring 1 and fitted with the flange 2 are butted, and then the flange 2 is rotated. Align the screw holes of the flanges 2 on the two pipelines 3, and finally fasten the two flanges 2 with bolts. Because the present invention adopts the structure that the flanges are sleeved on the pipelines, the flanges can be moved along the The axis of the pipeline rotates freely, so it is very easy to quickly connect the screw ho...

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Abstract

The invention provides a pipeline joint which can be connected rapidly in a butt joint mode and is high in installation efficiency. The pipeline joint comprises check rings, flange plates and pipelines and is characterized in that the check rings are welded to the two ends of the pipelines, the flange plates are arranged on the pipelines in a sleeved mode, the flange plates are movably matched with the outer walls of the pipelines, a plurality of flange holes are formed in each flange plate, and the inner diameter of the flange plates is larger than the outer diameter of the pipelines and smaller than the outer diameter of the check rings. The number of the flange holes in each flange plate ranges from 3 to 6. The structure that the flange plates are arranged on the pipelines in the sleeved mode is adopted, the flange plates can rotate freely around the axes of the pipelines, the screw holes of the flange plates of the two pipelines can be quite easily and rapidly connected in a butt joint mode, and therefore the pipeline installation efficiency is greatly improved.

Description

technical field [0001] The invention relates to a connecting device, in particular to a pipe joint. Background technique [0002] At present, pipelines such as wind and water are arranged everywhere in the underground tunnel of the coal mine, and the laying of these pipelines needs to be connected one by one. At present, the main connection method is to weld the flanges at both ends of each pipe, and then use bolts to butt the flanges on the two pipes to fix them. However, this method has some shortcomings during installation, mainly When the two pipes are connected, the screw holes are not easy to align. It is often necessary to rotate or move the pipe as a whole to align the screw holes of the flanges on the two pipes. Due to the heavy weight of the pipes, it is difficult to control and grasp the scale when rotating the pipes , thus reducing the operator's work efficiency. Contents of the invention [0003] In order to solve the above-mentioned technical problems, the ...

Claims

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Application Information

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IPC IPC(8): F16L23/028
CPCF16L23/028
Inventor 李友芹李砚
Owner 天津佩霖分析仪器有限公司
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