CN212154687U

CN212154687U - Expansion compensator for pipe column

Info

Publication number: CN212154687U
Application number: CN202020924070.7U
Authority: CN
Inventors: 郭颖
Original assignee: Dandong Best Energy Saving And Environmental Protection Electromechanical Co ltd
Current assignee: Dandong Best Energy Saving And Environmental Protection Electromechanical Co ltd
Priority date: 2020-05-27
Filing date: 2020-05-27
Publication date: 2020-12-15
Anticipated expiration: 2030-05-27

Abstract

The utility model discloses a flexible compensator of tubular column, press a section of thick bamboo including outer sleeve, inner skleeve and filler, the fixed welding in the outer sleeve outside has first installation piece and first supporting shoe, the fixed welding in the filler pressure section of thick bamboo outside has the second installation piece, the welding of inner skleeve one end has first flange spare, the welding in the first flange spare outside has the second supporting shoe, through bolt and nut fixed connection between first installation piece and the second installation piece, first supporting shoe the inner all is equipped with the stand with second supporting shoe the inner. This flexible compensator of tubular column is through setting up outer sleeve, inner skleeve and packing and pressing a section of thick bamboo, realizes the outer sleeve and the work of being connected of packing through first installation piece, second installation piece, bolt and nut, realizes the elastic connection work between outer sleeve and the inner skleeve through setting up stand and spring, prevents that the inner skleeve from droing because of the atress is too big to connect, and set up sealed rubber ring and improve the seal, this flexible compensator of tubular column simple structure, convenient to use, the practicality is high.

Description

Expansion compensator for pipe column

Technical Field

The utility model relates to a compensator technical field specifically is a tubular column compensator that stretches out and draws back.

Background

Compensators are also conventionally called expansion joints, or expansion joints. The head is generally composed of a bellows (a sort of elastic element) constituting its working body and accessories such as end pipes, supports, flanges, ducts, etc. Belongs to a compensating element. The effective telescopic deformation of the working body corrugated pipe is utilized to absorb the dimensional change of pipelines, conduits, containers and the like caused by expansion and contraction due to heat and the like or compensate the axial, transverse and angular displacement of the pipelines, the conduits, the containers and the like. And can also be used for noise reduction and vibration reduction. Has wide application in modern industry.

The telescopic joint is a common telescopic joint, an outer cylinder is formed by a body, a gland, a sealing ring and a bolt and a nut for fastening, a pipeline on the other side is directly inserted into the inner cylinder, and the sealing ring is pressed close to the inner cylinder through the gland to complete the sealing of the whole pipeline.

The existing open pipe column telescopic compensator, application No. CN201920806138.9, through setting up top connection, lower clutch, center tube, outer tube, annular piston, fixture block and inclined plane to realize compensating the change of pipe column length, and then improve the atress situation of downhole tools such as packer, but lack coupling mechanism between this pipe column telescopic compensator's outer tube and the center tube, break away from under the too big condition of atress easily, to prior art's not enough, the telescopic compensator of a kind of pipe column of existing design.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a telescopic compensator of tubular column to lack coupling mechanism between the outer tube of the telescopic compensator of current tubular column that proposes in solving above-mentioned background art and the center tube, the problem that breaks away from under the too big condition of atress easily.

In order to realize the above-mentioned purpose, the utility model provides a following technical scheme, a tubular column compensator that stretches out and draws back, press a section of thick bamboo including outer sleeve, inner skleeve and filler, the fixed welding in the outer sleeve outside has first installation piece and first supporting shoe, the fixed welding in the filler pressure section of thick bamboo outside has the second installation piece, the welding of inner skleeve one end has first flange spare, the welding of first flange spare outside has the second supporting shoe, through bolt and nut fixed connection between first installation piece and the second installation piece, first supporting shoe the inner all is equipped with the stand with second supporting shoe the inner, the stand overcoat is equipped with the spring, the outer sleeve inner wall is fixed with sealed rubber ring, and the outer sleeve keeps away from first flange spare one end welding and has second flange spare.

Preferably, the outer sleeve, the inner sleeve, the packing pressing cylinder, the first mounting block, the first supporting block, the second mounting block and the second supporting block are all circular cylindrical structures, and the diameter length of the inner ring of the outer sleeve is the same as that of the outer ring of the packing pressing cylinder.

Preferably, the diameter length of the outer ring of the inner sleeve is the same as that of the inner ring of the packing pressing cylinder, and a limiting ring is fixedly welded on the outer side of one end, far away from the first flange part, of the inner sleeve.

Preferably, the bolts are arranged in three groups in a regular annular array, two groups of nuts are movably sleeved outside each group of bolts, and the bolts penetrate through the first mounting block and the second mounting block.

Preferably, two ends of the spring are respectively fixed at the inner end of the first supporting block and the inner end of the second supporting block, three groups of springs are arranged in a regular annular array, and the springs are separated from the first mounting block and the second mounting block.

Preferably, the limiting ring is in a circular ring cylinder shape, the length of the outer ring diameter of the limiting ring is smaller than that of the inner ring diameter of the outer sleeve, and the length of the outer ring diameter of the limiting ring is larger than that of the inner ring diameter of the packing pressing cylinder.

Preferably, the sealing rubber ring is made of rubber, the sealing rubber ring is in a circular cylinder shape, the outer wall surface of the sealing rubber ring is attached and fixed to the inner wall of the outer sleeve, the diameter length of the inner ring of the sealing rubber ring is equal to that of the outer ring of the inner sleeve, and the sealing rubber ring is located between the packing pressing cylinder and the limiting ring.

Compared with the prior art, the beneficial effects of the utility model are that: this flexible compensator of tubular column is through setting up outer sleeve, inner skleeve and packing and pressing a section of thick bamboo, realizes the outer sleeve and the work of being connected of packing through first installation piece, second installation piece, bolt and nut, realizes the elastic connection work between outer sleeve and the inner skleeve through setting up stand and spring, prevents that the inner skleeve from droing because of the atress is too big to connect, and set up sealed rubber ring and improve the seal, this flexible compensator of tubular column simple structure, convenient to use, the practicality is high.

Drawings

Fig. 1 is a front internal sectional view of a pipe string telescopic compensator of the present invention;

fig. 2 is a schematic view of the external structure of the front side of the telescopic compensator for a pipe column according to the present invention;

fig. 3 is a partial side sectional view of the telescopic compensator for a pipe string according to the present invention.

In the figure: 1. the device comprises an outer sleeve, 2, an inner sleeve, 3, a packing pressing cylinder, 4, a first mounting block, 5, a first supporting block, 6, a second mounting block, 7, a first flange piece, 8, a second supporting block, 9, a bolt, 10, a nut, 11, an upright post, 12, a spring, 13, a limiting ring, 14, a sealing rubber ring, 15 and a second flange piece.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention provides a technical solution: a tubular column telescopic compensator comprises an outer sleeve 1, an inner sleeve 2 and a packing pressing cylinder 3, wherein a first mounting block 4 and a first supporting block 5 are fixedly welded on the outer side of the outer sleeve 1, a second mounting block 6 is fixedly welded on the outer side of the packing pressing cylinder 3, a first flange part 7 is welded at one end of the inner sleeve 1, a second supporting block 8 is welded on the outer side of the first flange part 7, the outer sleeve 1, the inner sleeve 2, the packing pressing cylinder 3, the first mounting block 4, the first supporting block 5, the second mounting block 6 and the second supporting block 8 are all in a circular cylindrical structure, the diameter length of the inner ring of the outer sleeve 1 is the same as that of the outer ring of the packing pressing cylinder 3, thus the airtightness between the outer sleeve 1 and the packing pressing cylinder 3 can be improved, the diameter length of the outer ring of the inner sleeve 2 is the same as that of the inner ring of the packing pressing cylinder 3, and a limiting ring 13 is fixedly welded on the outer side of one end of the inner sleeve, the first mounting block 4 and the second mounting block 6 are fixedly connected through bolts 9 and nuts 10, the bolts 9 are arranged in three groups in a regular annular array, two groups of nuts 10 are movably sleeved outside each group of bolts 9, the bolts 9 penetrate through the first mounting block 4 and the second mounting block 6, so that the first mounting block 4 and the second mounting block 6 can be fixedly connected through the bolts 9 and the nuts 10, the outer sleeve 1 and the packing pressing barrel 3 can be fixedly connected, the inner ends of the first supporting block 5 and the inner end of the second supporting block 8 are respectively provided with an upright post 11, a spring 12 is sleeved outside the upright post 11, two ends of the spring 12 are respectively fixed at the inner ends of the first supporting block 5 and the inner end of the second supporting block 8, the springs 12 are arranged in three groups in a regular annular array, the springs 12 are separated from the first mounting block 4 and the second mounting block 6, so that the elastic connection between the first supporting block 5 and the second supporting block 8 is realized through the springs 12, furthermore, the elastic connection work between the outer sleeve 1 and the inner sleeve 2 is realized through the spring 12, the spring 12 is prevented from being deviated due to stress through the upright post 11 which is oppositely arranged, the limit ring 13 is in a circular ring cylinder shape, the diameter length of the outer ring of the limit ring 13 is smaller than that of the inner ring of the outer sleeve 1, the diameter length of the outer ring of the limit ring 13 is larger than that of the inner ring of the packing press cylinder 3, thus the inner sleeve 2 is limited and moved in the outer sleeve 1 through the limit ring 13, the inner wall of the outer sleeve 1 is fixedly provided with the sealing rubber ring 14, the sealing rubber ring 14 is made of rubber, the sealing rubber ring 14 is in a circular ring cylinder shape, the outer wall of the sealing rubber ring 14 is attached and fixed on the inner wall of the outer sleeve 1, the diameter length of the inner ring 14 is equal to that of the outer ring of the inner sleeve 2, and the sealing rubber ring 14 is positioned between the packing press cylinder 3 and the limit ring 13, thus when the, and a second flange part 15 is welded at one end of the outer sleeve 1 far away from the first flange part 7.

The working principle is as follows: when using this flexible compensator of tubular column, install this flexible compensator of tubular column in the pipe connection department through first flange spare 7 and second flange spare 15, and will pack to press a section of thick bamboo 3 to place between outer sleeve 1 and inner skleeve 2, make packing press a section of thick bamboo 3 one end and contact with sealed rubber ring 14, through bolt 9 and nut 10 with first installation piece 4 and second installation piece 6 fixed connection after that, thereby realized the fixed connection work of outer sleeve 1 packing press a section of thick bamboo 3, in the use work, the compensation effect to axial ascending is realized in the activity of inner skleeve 2, effect through spring 12, make to have the elastic action between inner skleeve 2 and the outer skleeve 1, avoid inner skleeve 2 to break away from the connection, above this flexible compensator of tubular column working process.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that modifications may be made to the embodiments or portions thereof without departing from the spirit and scope of the invention.

Claims

1. The utility model provides a flexible compensator of tubular column, includes that outer sleeve (1), inner skleeve (2) and packing press a section of thick bamboo (3), outer sleeve (1) outside fixed welding has first installation piece (4) and first supporting block (5), its characterized in that: the fixed welding in the filler pressure cylinder (3) outside has second installation piece (6), inner skleeve (2) one end welding has first flange spare (7), first flange spare (7) outside welding has second supporting shoe (8), through bolt (9) and nut (10) fixed connection between first installation piece (4) and second installation piece (6), first supporting shoe (5) the inner all is equipped with stand (11) with second supporting shoe (8) the inner, stand (11) overcoat is equipped with spring (12), outer sleeve (1) inner wall is fixed with sealed rubber ring (14), and outer sleeve (1) keeps away from first flange spare (7) one end welding and has second flange spare (15).

2. The telescopic compensator of claim 1, wherein: the outer sleeve (1), the inner sleeve (2), the packing pressing cylinder (3), the first mounting block (4), the first supporting block (5), the second mounting block (6) and the second supporting block (8) are all of circular-ring cylindrical structures, and the diameter length of the inner ring of the outer sleeve (1) is the same as that of the outer ring of the packing pressing cylinder (3).

3. A pipe string compensator according to claim 2, wherein: the diameter length of the outer ring of the inner sleeve (2) is the same as that of the inner ring of the packing pressing cylinder (3), and a limiting ring (13) is fixedly welded on the outer side of one end, far away from the first flange piece (7), of the inner sleeve (2).

4. The telescopic compensator of claim 1, wherein: the bolts (9) are arranged in three groups in a regular annular array, two groups of nuts (10) are movably sleeved outside each group of bolts (9), and the bolts (9) penetrate through the first mounting block (4) and the second mounting block (6).

5. The telescopic compensator of claim 1, wherein: two ends of the spring (12) are respectively fixed at the inner end of the first supporting block (5) and the inner end of the second supporting block (8), three groups of springs (12) are arranged in a regular annular array, and the springs (12) are separated from the first mounting block (4) and the second mounting block (6).

6. A pipe string compensator according to claim 3, wherein: the limiting ring (13) is in a circular ring cylinder shape, the diameter length of the outer ring of the limiting ring (13) is smaller than that of the inner ring of the outer sleeve (1), and the diameter length of the outer ring of the limiting ring (13) is larger than that of the inner ring of the packing pressing cylinder (3).

7. A pipe string compensator according to claim 3, wherein: the sealing rubber ring (14) is made of rubber, the sealing rubber ring (14) is in a circular cylinder shape, the outer wall surface of the sealing rubber ring (14) is attached to and fixed on the inner wall of the outer sleeve (1), the diameter length of the inner ring of the sealing rubber ring (14) is equal to that of the outer ring of the inner sleeve (2), and the sealing rubber ring (14) is located between the packing pressing cylinder (3) and the limiting ring (13).