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Mechanical control underwater double pipe butt joint locking device

A locking device and mechanical control technology, applied in the direction of pipe components, etc., can solve the problems of increasing the number of pipes, high manufacturing costs, high pipe butt joint operation costs, increased pipe butt joint time and cost, etc., to achieve cost reduction and joint operation time, and convenience Effect of butt joint operation, improvement of butt joint strength and sealing performance

Inactive Publication Date: 2015-09-23
MEIZUAN ENERGY TECH SHANGHAI
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  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] However, in the above-mentioned technical scheme, in the process of underwater pipeline docking, the underwater docking work is affected by various factors such as seabed pressure and ocean currents, and the difficult positioning of the docking ROV (underwater operating manipulator, referred to as ROV), which makes the cost of the pipeline docking operation Higher, and the increase in the number of pipes will greatly increase the manufacturing cost, increase the time and cost of pipe jointing

Method used

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  • Mechanical control underwater double pipe butt joint locking device
  • Mechanical control underwater double pipe butt joint locking device
  • Mechanical control underwater double pipe butt joint locking device

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Embodiment Construction

[0088] In order to facilitate understanding of the present invention, the present invention will be further described below in conjunction with the accompanying drawings.

[0089] see Figure 1 to Figure 11 , a preferred embodiment of a mechanically controlled underwater double-pipe butt locking device of the present invention, which includes:

[0090] A pipeline body 1, the pipeline body 1 is mainly composed of an upper body 10 and a lower body 20;

[0091] Wherein, the upper body 10 has a first mating surface 111, and is provided with a first passage 121 and a second passage 122, and one end of the first passage 121 is opened on the first mating surface 111 to form a first mating port. 131, one end of the second channel 122 is opened on the first butt surface 111 to form a second butt joint 132;

[0092] The lower body 20 has a second mating surface 211, and is provided with a third passage 221 and a fourth passage 222, and one end of the third passage 221 is opened on the...

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Abstract

The invention relates to a mechanically controlled underwater dual-channel connecting and locking device. A pipeline body of the mechanically controlled underwater dual-channel connecting and locking device is mainly composed of an upper body, a lower body and a locking device, wherein the upper body and the lower body are respectively provided with two channels in a penetrating mode; two adjacent connection channels are formed inside the pipeline body after the upper body and the lower body are connected; the connection faces of the upper body and the lower body are provided with two paths of connection seals; the two first connection seals are formed at the position where the first connection channel and the second connection channel are connected; one second connection seal is formed on the periphery of the two first connection seals; one seal testing channel is arranged on the upper body; one end of the seal testing channel is open, is arranged on the face where the upper body and the lower body are connected and is located between the first path of connection seals and the second path of connection seal; the locking device is arranged outside the pipeline body and fixedly connects the upper body with the lower body. According to the mechanically controlled underwater dual-channel connecting and locking device, much occupied space is saved due to connected pipelines, the effective sealing performance is ensured, operation time for connecting the pipelines by an underwater ROV is shortened, and expenses and cost are lowered.

Description

technical field [0001] The invention relates to an underwater oil production tree oil pipeline test connection system in the underwater oil exploitation equipment industry, in particular to a mechanically controlled underwater double pipeline vertical docking and locking device. Background technique [0002] In subsea oil extraction equipment, the oil pipeline of the oil production tree is usually a single pipeline, and its docking method is also the locking butt joint of the single pipeline. [0003] However, in the above-mentioned technical scheme, in the process of underwater pipeline docking, the underwater docking work is affected by various factors such as seabed pressure and ocean currents, and the difficult positioning of the docking ROV (underwater operating manipulator, referred to as ROV), which makes the cost of the pipeline docking operation Higher, and the increase in the number of pipelines will greatly increase the manufacturing cost, increasing the time and ...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): F16L39/00
CPCF16L39/00
Inventor 张鹏举张浩楠施佳齐效文涂再君
Owner MEIZUAN ENERGY TECH SHANGHAI
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