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Flange connection device

A connecting device and flange technology, which is applied to flange connections, pipes/pipe joints/fittings, passing components, etc., can solve the problems of collapse, low efficiency of single pipeline fluid delivery, etc., and achieve stable and reliable connections and wide application range Extensive, guarantee the effect of pressure bearing capacity and safety performance

Pending Publication Date: 2018-04-06
YANTAI JEREH PETROLEUM EQUIP & TECH
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  • Abstract
  • Description
  • Claims
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AI Technical Summary

Problems solved by technology

Existing devices of this kind are all threaded connections, which are easy to break off from the threaded connection, posing a great safety hazard, and limited by the size of the threaded structure, the overall diameter of the manifold cannot be designed too large, and a single pipe The efficiency of transporting fluid in the road is low

Method used

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Embodiment

[0031] Example: as attached Figure 1-2 As shown, a flange connection device includes a first joint 1 and a second joint 7, the first joint 1 is connected to the second joint 7, and a rolling joint is provided between the first joint 1 and the second joint 7 device, the first joint 1 and the second joint 7 can freely rotate 360 ​​degrees around the central axis. The first joint 1 and the second joint 7 can be selected in various forms, such as direct joints or bent joints, and the first joint 1 and the second joint 7 can be provided with connecting flanges, and the connecting flanges can be connected through corresponding Bolts and other devices are connected to each other.

[0032] The second joint 7 is sleeved in the first joint 1, the inner cavity of the first joint 1 is connected to the inner cavity of the second joint 7, and the rolling device is connected with the first joint 1 and the second joint 7. connect.

[0033] The rolling device includes a first groove 11 and...

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Abstract

The invention provides a flange connection device. The flange connection device comprises a first connector and a second connector. The first connector is connected with the second connector, a rolling device is arranged between the first connector and the second connector, and the first connector and the second connector can freely rotate around the center axis by 360 degrees. According to the flange connection device, the connected connectors can rotate flexibly and conveniently, and the risks of sliding, cracking and pipe body cracking caused by too high pressure of an inner cavity, too large local stress, rotation clamping stagnation and other reasons are avoided.

Description

technical field [0001] The invention relates to the field of construction operations related to oil and gas fields, in particular to a flange connection device. Background technique [0002] A flange connection device involved in this patent is used in conjunction with fracturing vehicles, straight pipelines, cock valves, etc., and is mainly used to transport high-pressure fluids such as fracturing fluids, and cooperate with tees to change the direction of pipeline arrangement to complete oil and gas field production increase. Construction work. Existing devices of this kind are all threaded connections, which are easy to break off from the threaded connection, posing a great safety hazard, and limited by the size of the threaded structure, the overall diameter of the manifold cannot be designed too large, and a single pipe The efficiency of transporting fluid through the road is low. Contents of the invention [0003] The purpose of the present invention is to overcome ...

Claims

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Application Information

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IPC IPC(8): F16L23/032F16L23/024F16L23/18
CPCF16L23/024F16L23/032F16L23/18
Inventor 黄金领张树林王坤李建福王新明李帅任光辉
Owner YANTAI JEREH PETROLEUM EQUIP & TECH
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