CN214161158U

CN214161158U - Full-bore composite pipe joint internal expanding device

Info

Publication number: CN214161158U
Application number: CN202022910137.4U
Authority: CN
Inventors: 仲宝付; 郭爱平; 孙祥正; 刘王秋; 杨斌; 蒋礼芹; 李建林; 芦晓阳; 缪伟伟
Original assignee: Jiangsu Shenshi New Material Technology Co ltd
Current assignee: Jiangsu Shenshi New Material Technology Co ltd
Priority date: 2020-12-08
Filing date: 2020-12-08
Publication date: 2021-09-10
Anticipated expiration: 2030-12-08

Abstract

The utility model relates to a expand device in full latus rectum composite pipe connects, include: an expansion sleeve, a tightening ring, a limiting ring, a composite pipe and a hydraulic machine; the hydraulic machine comprises: the hydraulic device comprises a hydraulic frame, a hydraulic jack, a connecting sleeve and a hydraulic pump; the hydraulic ram includes: the hydraulic jack A and the hydraulic jack B; the hydraulic jack A is connected to the hydraulic rack through a screw; the hydraulic jack B is arranged in a conical shape with a taper; the expansion sleeve is arranged in the composite pipe; the expansion sleeve can be split into a plurality of strip-shaped structures with the same size; a first groove and a second groove are formed in the left end of the outer ring of the expansion sleeve from left to right; and a third groove is formed in the right end of the outer ring of the expansion sleeve. The full-bore composite pipe joint internal expanding device of the utility model has the advantages that the joint internal diameter is matched with the through ball pipe cleaner, so that the sewage disposal efficiency of the composite pipe is improved; the inner diameter of the joint is consistent with that of the composite pipe, so that the conveying flow is greatly improved.

Description

Full-bore composite pipe joint internal expanding device

Technical Field

The utility model relates to an oil field pipe connection and scrubbing technical field specifically are a expand device in compound coupling of full latus rectum.

Background

The flexible composite high-pressure conveying pipe is a pipe made of polymer composite material and has certain high strength, high pressure, corrosion resistance, scaling resistance, small friction coefficient, good heat insulating property, good flexibility and long service life.

The crude oil has certain impurities, and in the long-term transportation and use process, some solid impurities can be gathered on the pipe wall under certain conditions, and the solid impurities in the pipe can be removed through a through ball pipe cleaner. The outer diameter of the through ball pipe cleaner needs to be matched with the inner diameter of the pipeline, so that solid impurities and dirt in the pipe can be most efficiently cleared, the joint of the existing composite pipe is often smaller than the inner diameter of the pipeline, and the following problems exist:

1. the inner diameter of the joint is smaller than the outer diameter of the ball-through pipe cleaner, and the ball-through pipe cleaner cannot normally clean when being blocked;

2. the drift diameter of the joint in the prior art is small, the conveying flow is reduced due to obstruction, and the requirement of industrial conveying cannot be met.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a full-bore composite pipe joint internal expansion device, the joint internal diameter is matched with a ball-through pipe cleaner, and the composite pipe cleaning efficiency is improved; the inner diameter of the joint is consistent with that of the composite pipe, so that the conveying flow is greatly improved.

In order to achieve the above object, the utility model provides a following technical scheme: a full bore compound pipe joint internal expanding device, comprising: an expansion sleeve, a tightening ring, a limiting ring, a composite pipe and a hydraulic machine; the hydraulic machine comprises: the hydraulic device comprises a hydraulic frame, a hydraulic jack, a connecting sleeve and a hydraulic pump; the hydraulic ram includes: the hydraulic jack A and the hydraulic jack B; the hydraulic jack A is connected to the hydraulic rack through a screw; the hydraulic jack B is arranged in a conical shape with a taper; the expansion sleeve is arranged in the composite pipe; the expansion sleeve can be split into a plurality of strip-shaped structures with the same size; a first groove and a second groove are formed in the left end of the outer ring of the expansion sleeve from left to right; a third groove is formed in the right end of the outer ring of the expansion sleeve; the tightening ring includes: a tightening ring and B tightening ring; the tightening ring A and the tightening ring B are respectively fixed in the second groove and the third groove; the expansion sleeve is fixed on the hydraulic top B through a tightening ring A and a tightening ring B; the left end of the hydraulic jack B is in threaded connection with the hydraulic jack A through a connecting sleeve; the limiting ring is fixed in the first groove; the expansion sleeve is fixed on the hydraulic frame through the limiting ring; the limiting ring is positioned in the hydraulic rack; and the outer diameter of the leftmost end of the B hydraulic jack is the same as the inner diameter of the composite pipe.

Furthermore, the inner ring of the expansion sleeve is tapered, the inner ring is attached to the contact surface of the B hydraulic jack without a gap, and the taper is 0-10 degrees.

Furthermore, the right end of the outer ring of the expansion sleeve is set to be in a tapered shape with a taper angle of 30-40 degrees;

further, the second groove is arranged on the tapered shape with the taper at the right end of the expansion sleeve outer ring;

further, A tightening ring internal diameter is greater than the second groove external diameter, B tightening ring internal diameter is greater than the third groove external diameter.

Further, the inner diameter of the limiting ring is larger than the outer diameter of the first groove.

Compared with the prior art, the utility model discloses the beneficial effect who reaches is:

1. the utility model discloses connect internal diameter and logical ball dredging pipe ware adaptation, improved compound pipe efficiency of decontaminating.

2. The utility model discloses connect the internal diameter unanimous with the composite pipe internal diameter, greatly improved the delivery flow.

Drawings

FIG. 1 is a schematic structural view of an internal expanding device of a full-bore composite pipe joint;

description of reference numerals: 1. the expansion sleeve 2, the A tightening ring 3, the B tightening ring 4, the limiting ring 5, the composite pipe 6, the hydraulic frame 7, the connecting sleeve 8, the hydraulic pump 9, the A hydraulic jack 10 and the B hydraulic jack.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

As shown in fig. 1, a full bore compound pipe joint internal expansion device comprises: the device comprises an expansion sleeve 1, a tightening ring, a limiting ring 4, a composite pipe 5 and a hydraulic machine; the hydraulic machine comprises: the hydraulic machine comprises a hydraulic frame 6, a hydraulic jack, a connecting sleeve 7 and a hydraulic pump 8; the hydraulic ram includes: the hydraulic jack A9 and the hydraulic jack B10; the A hydraulic jack 9 is connected to the hydraulic frame 6 through a screw; the B hydraulic jack 10 is provided with a conical shape with conicity; the expansion sleeve 1 is arranged in the composite pipe 5; the expansion sleeve 1 can be split into a plurality of strip-shaped structures with the same size; a first groove and a second groove are formed in the left end of the outer ring of the expansion sleeve 1 from left to right; a third groove is formed in the right end of the outer ring of the expansion sleeve 1; the tightening ring includes: a tightening ring A2 and a tightening ring B3; the tightening ring A2 and the tightening ring B3 are respectively fixed in the second groove and the third groove; the expansion sleeve 1 is fixed on the hydraulic ram B10 through a tightening ring A2 and a tightening ring B3; the left end of the hydraulic ram 10B is in threaded connection with the hydraulic ram 9A through a connecting sleeve 7; the limiting ring 4 is fixed in the first groove; the expansion sleeve 1 is fixed on the hydraulic frame 6 through the limiting ring 4; the limiting ring 4 is positioned in the hydraulic frame; the outer diameter of the leftmost end of the B hydraulic jack 10 is the same as the inner diameter of the composite pipe 5.

The hydraulic pump 8 starts, and the B hydraulic ram 10 work that the A hydraulic ram 9 drives and link to each other with it, with the B hydraulic ram 10 in the expansion sleeve 1 to the inside top of expansion sleeve 1 advance, the strip structure of expansion sleeve 1 for 8 equal portions for the expansion is equallyd divide to expansion sleeve 1, drives the inflation of composite pipe 5 simultaneously, and composite pipe 5 body aperture inflation is unanimous to and connects the external diameter unanimously, and at this moment, connects and composite pipe 5 realizes unanimous latus rectum.

The full-bore composite pipe joint internal expanding device of the utility model has the advantages that the joint internal diameter is matched with the through ball pipe cleaner, so that the sewage disposal efficiency of the composite pipe is improved; the inner diameter of the joint is consistent with that of the composite pipe, so that the conveying flow is greatly improved.

It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. A full bore compound pipe joint internal expanding device, comprising: the expansion sleeve (1), the tightening ring, the limiting ring (4), the composite pipe (5) and the hydraulic machine; the hydraulic machine comprises: the hydraulic device comprises a hydraulic frame (6), a hydraulic jack, a connecting sleeve (7) and a hydraulic pump (8); characterized in that the hydraulic ram comprises: the hydraulic jack A (9) and the hydraulic jack B (10); the A hydraulic jack (9) is connected to the hydraulic frame (6) through a screw; the hydraulic jack (10) B is arranged to be conical; the expansion sleeve (1) is arranged in the composite pipe (5); the expansion sleeve (1) can be split into a plurality of strip-shaped structures with the same size; a first groove and a second groove are formed in the left end of the outer ring of the expansion sleeve (1) from left to right; a third groove is formed in the right end of the outer ring of the expansion sleeve (1); the tightening ring includes: a tightening ring (2) and B tightening ring (3); the A tightening ring (2) and the B tightening ring (3) are respectively fixed in the second groove and the third groove; the expansion sleeve (1) is fixed on the hydraulic ram (10) B through a tightening ring A (2) and a tightening ring B (3); the left end of the hydraulic ram (10) B is in threaded connection with the hydraulic ram (9) A through a connecting sleeve (7); the limiting ring (4) is fixed in the first groove; the expansion sleeve (1) is fixed on the hydraulic frame (6) through the limiting ring (4); the limiting ring (4) is positioned in the hydraulic rack; the outer diameter of the leftmost end of the B hydraulic jack (10) is the same as the inner diameter of the composite pipe (5).

2. The full-bore composite pipe joint internal expanding device according to claim 1, wherein the inner ring of the expansion sleeve (1) is provided with a taper shape, the taper shape is 0-10 degrees, and the inner ring is in fit with the contact surface of the B hydraulic jack (10) without a gap.

3. The full-bore composite pipe joint internal expanding device according to claim 1, wherein the right end of the outer ring of the expansion sleeve (1) is provided with a tapered conical shape, and the taper is 30-40 degrees.

4. The full-bore composite pipe joint internal expansion device is characterized in that the second groove is formed in the conical shape with the taper at the right end of the outer ring of the expansion sleeve (1).

5. The full bore composite pipe joint internal expansion device according to claim 1, wherein the A tightening ring (2) internal diameter is larger than the second groove external diameter, and the B tightening ring (3) internal diameter is larger than the third groove external diameter.

6. The full-bore composite pipe joint internal expansion device according to claim 1, wherein the inner diameter of the limiting ring (4) is larger than the outer diameter of the first groove.