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Pipeline pressure tapping branching device

A technology of pressurized opening and branching device, which is applied in the direction of pipes, branch pipelines, boring/drilling, etc., which can solve the problems of inconvenient installation and use, and many structural components of the closure sealing system, so as to avoid leakage problems, Good sealing effect and reduced resistance

Inactive Publication Date: 2022-03-22
安徽欧泰祺智慧水务科技有限公司
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  • Abstract
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  • Claims
  • Application Information

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Problems solved by technology

[0004] However, the shut-off sealing system used in this technical solution has many structural components, and the installation and use are not convenient enough.

Method used

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Embodiment Construction

[0031] The following will clearly and completely describe the technical solutions in the embodiments of the present invention with reference to the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only some of the embodiments of the present invention, not all of them. Based on the embodiments of the present invention, all other embodiments obtained by persons of ordinary skill in the art without making creative efforts belong to the protection scope of the present invention.

[0032] see Figure 1-6 , the invention provides technical solutions:

[0033] A branch device for opening holes under pressure, comprising a pipe body under pressure 10, a lower saddle 20, an upper saddle 30, a pipe sealing gasket 40, a switch knife 50, a nut 60 and a shut-off sealing ring 70, and the outer side of the upper saddle 30 is provided with a long Waist-shaped knife insertion groove 31, the center of the upper saddle 30 is provided wi...

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Abstract

The invention discloses a pipeline pressure tapping branching device which comprises a pressure pipe body, a lower saddle, an upper saddle, a pipeline sealing gasket, a knife switch, a nut and a cut-off sealing ring, a long kidney-shaped knife switch inserting groove is formed in the outer side of the upper saddle, and a through hole is formed in the center of the upper saddle. An inner thread, an annular cut-off sealing groove and a pipeline sealing groove matched with the pipeline sealing gasket are sequentially arranged in the through hole from top to bottom, the knife switch inserting groove is communicated with the cut-off sealing groove and corresponds to the position where the cut-off sealing groove is located, and installation bosses are arranged on the two sides of the lower portion of the upper saddle. And the bolt ends at the two tops of the lower saddle penetrate through the mounting bosses and form a locking structure with the nuts. The pipeline sealing gasket can be arranged to be of a U-shaped structure, the outer side part of the upper portion of the pipeline sealing gasket is matched with the pipeline sealing groove, the inner side of the upper portion of the pipeline sealing groove is matched with the inner wall of the through hole, compared with a traditional sealing gasket, the sealing effect is better, and the leakage-proof effect can also be achieved under large pressure.

Description

technical field [0001] The invention relates to the technical field of pressurized drilling, in particular to a branch device for pressurized drilling of pipelines. Background technique [0002] The gate valve is required to open the pipeline under pressure. For example, the patent of 201820344996.1 discloses the method of opening the pipeline. The key to opening. Because the gate valve has a certain length, the drilling machine needs to pass through the gate valve to open the pipe. However, the existing technology wastes more materials, and at the same time, the drilling stroke is longer, which is not conducive to the work of the main shaft of the drilling machine [0003] US Patent 3420261 also proposes a splitter with holes. [0004] However, the shut-off sealing system adopted in this technical solution has many structural parts, and the installation and use are not convenient enough. [0005] The patent of CN201320073611.X also proposes a pipeline opening device wit...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16L41/06B23B41/08F16L41/16
CPCF16L41/06F16L41/16
Inventor 汪书培周青娜王敬玉丁增辉
Owner 安徽欧泰祺智慧水务科技有限公司
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