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Large-sized high-pressure movable bend structure

A kind of movable elbow, large-scale technology, applied in drilling equipment, earthwork drilling, drill pipe, etc., can solve the problems of limited structural forming method of elbow, limited volume requirements, large structural volume, etc., and achieve various forming methods. , reliable connection, small size effect

Pending Publication Date: 2020-08-28
YANTAI JEREH PETROLEUM EQUIP & TECH CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

This kind of structure that realizes the rotation function is large in volume, complex in structure, and difficult to assemble. It has high requirements for the length of the straight section in the elbow structure, and is suitable for small-sized swivel elbows.
When the size increases, due to the limited forming method and volume requirements of the elbow structure, the structure using rolling elements to realize the rotation function is no longer applicable

Method used

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  • Large-sized high-pressure movable bend structure
  • Large-sized high-pressure movable bend structure
  • Large-sized high-pressure movable bend structure

Examples

Experimental program
Comparison scheme
Effect test

Embodiment Construction

[0027] Such as Figures 1 to 4 As shown, a large-scale high-pressure swivel elbow structure includes a connecting head 1, an elbow 2 and a hinge assembly 3. Between the connecting head 1 and the elbow 2, and between the elbow 2 and the elbow 2, the The joint assembly 3 is connected, and the joint head 1 is used for connecting with upstream and downstream equipment; , the sealing connection between the elbow 2 and the elbow 2, the clamp 8 is used for the connection and fixation between the connecting head 1 and the elbow 2, and between the elbow 2 and the elbow 2. The connection between the hoop 8 and the connector 1 or between the hoop 8 and the elbow 2 is connected by a rotating part 5, and the rotating part 5 can be deformed and designed as various forms of rolling bearings or sliding bearings, so as to reduce the A form of frictional resistance. The sealed connection between two adjacent connecting heads 1 and elbow 2, and between the elbow 2 and elbow 2 is realized throu...

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Abstract

The invention discloses a large-sized high-pressure movable bend structure which comprises a connector, bends and hinging assemblies. The connector and the bend, and the bends are connected by the hinging assemblies. The connector is connected to upstream and downstream equipment. Each hinging assembly comprises a sealing mechanism, a rotating part and a hoop. The sealing mechanism is used for hermetically connecting the connector and the bend, and the bends. The hoop is used for connecting and fixing the connector and the bend, and the bends. The hoop and the connector or the hoop and the bend are connected by the rotating part. The rotating part is a rolling bearing or a sliding bearing. The large-sized high pressure movable bend structure has the beneficial effects that the structure islarger in diameter, flexible to connect, small in size, light in weight and diversified in forming mode, meets the operation demand of high pressure and large displacement of shale gas, lowers the input cost of operation equipment greatly, optimizes the site layout and is connected to the upstream and downstream equipment flexibly.

Description

technical field [0001] The invention relates to the technical field of manifold connections, in particular to a large-scale high-pressure swivel elbow structure. Background technique [0002] The original swivel elbow structure is generally designed with multiple grooves, and a certain number of rolling elements are installed inside the grooves to realize the relative rotation of the joints at both ends around the axis; the rolling elements in each groove are installed from their respective mounting holes. , Each mounting hole is designed with a plug and a retaining ring to prevent the rolling elements from falling apart during rotation. The structure for realizing the rotation function is large in size, complex in structure, and difficult to assemble. It has high requirements on the length of the straight section in the elbow structure, and is suitable for small-sized swivel elbows. When the size increases, due to the limited forming method and volume requirements of the e...

Claims

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Application Information

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IPC IPC(8): E21B17/04
CPCE21B17/04
Inventor 任光辉黄金领王新明张树林许世朋
Owner YANTAI JEREH PETROLEUM EQUIP & TECH CO LTD
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