CN219242954U

CN219242954U - Sleeve compensation structure of pipeline expansion joint

Info

Publication number: CN219242954U
Application number: CN202223304473.XU
Authority: CN
Inventors: 张真飞; 张伟健
Original assignee: Jiangsu Tongyi Power Equipment Co ltd
Current assignee: Jiangsu Tongyi Power Equipment Co ltd
Priority date: 2022-12-09
Filing date: 2022-12-09
Publication date: 2023-06-23
Anticipated expiration: 2032-12-09

Abstract

The utility model relates to the technical field of expansion joints, and discloses a sleeve compensation structure of a pipeline expansion joint, which solves the problem that the pipeline expansion joint is easy to damage due to the fact that the existing pipeline expansion joint cannot adjust and limit the axial telescopic distance; through the sleeve compensation structure of the pipeline expansion joint, the axial telescopic distance of the pipeline expansion joint can be adjusted and limited, the pipeline expansion joint is prevented from being damaged, and the service life of the pipeline expansion joint is prolonged.

Description

Sleeve compensation structure of pipeline expansion joint

Technical Field

The utility model belongs to the technical field of expansion joints, and particularly relates to a sleeve compensation structure of a pipeline expansion joint.

Background

Expansion joints are a common type of pipe safety device that rely on the elasticity of bellows to absorb or compensate for pipe deformation. The current pipeline expansion joint can not adjust and limit the axial telescopic distance, when the axial compression or axial stretching distance of the pipeline is larger, the expansion limit of the pipeline expansion joint is easily exceeded to cause the damage of the pipeline expansion joint, and the service life of the pipeline expansion joint is influenced.

Disclosure of Invention

Aiming at the situation, in order to overcome the defects of the prior art, the utility model provides a sleeve compensation structure of a pipeline expansion joint, which effectively solves the problem that the pipeline expansion joint is easy to damage because the existing pipeline expansion joint cannot adjust and limit the axial telescopic distance.

In order to achieve the above purpose, the present utility model provides the following technical solutions: the utility model provides a sleeve compensation structure of pipeline expansion joint, includes first connecting seat, second connecting seat, ripple expansion joint body and a plurality of spacing coupling assembling, ripple expansion joint body fixed connection is between first connecting seat and second connecting seat, spacing coupling assembling swing joint is between first connecting seat and second connecting seat, spacing coupling assembling comprises gag lever post, a plurality of spacing swivel nut, a plurality of threaded connection section one and a plurality of threaded connection section two, threaded connection section one and threaded connection section two equal fixed connection in the both ends of gag lever post, spacing swivel nut one and spacing swivel nut two all overlap the both ends of locating the gag lever post and match with threaded connection section one and threaded connection section two respectively.

Preferably, the first connecting seat and the second connecting seat are respectively composed of a first flange plate, a connecting pipeline and a second flange plate, and the connecting pipeline is fixedly connected between the first flange plate and the second flange plate.

Preferably, one end cover of first connecting seat is equipped with protection sleeve one, and the one end cover of second connecting seat is equipped with protection sleeve two, and protection sleeve two's external diameter is less than protection sleeve one's internal diameter, and protection sleeve one and protection sleeve two's one end of inside wall are all fixed and are provided with a plurality of mount pads, have seted up a plurality of mounting holes that match with the mount pad on the ring flange two, pass through bolted connection between mount pad and the mounting hole.

Preferably, the two ends of the limiting rod are fixedly provided with limiting plates, and one ends of the first limiting screw sleeve and the second limiting screw sleeve, which are close to the second flange plate, are fixedly provided with rubber seats.

Preferably, a sliding connection structure is arranged between the limiting rod and the second flange plate.

Compared with the prior art, the utility model has the beneficial effects that:

(1) In operation, the limiting connecting assembly consisting of the limiting rod, the limiting screw sleeves I, the limiting screw sleeves II, the threaded connecting sections I and the threaded connecting sections II is arranged, so that the axial telescopic distance of the pipeline expansion joint can be adjusted and limited, the pipeline expansion joint is prevented from being damaged, the axial limiting can be realized, and the service life of the pipeline expansion joint is prolonged;

(2) The first protective sleeve and the second protective sleeve are arranged to protect the corrugated expansion joint body and prevent the corrugated expansion joint body from being damaged.

Drawings

The accompanying drawings are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate the utility model and together with the embodiments of the utility model, serve to explain the utility model.

In the drawings:

FIG. 1 is a schematic view of a sleeve compensation structure of a pipe expansion joint according to the present utility model;

FIG. 2 is a second schematic diagram of the sleeve compensation structure of the pipe expansion joint according to the present utility model;

FIG. 3 is a schematic view of a spacing connection assembly according to the present utility model;

FIG. 4 is a schematic view of a stop lever according to the present utility model;

FIG. 5 is a schematic diagram of the connection structure of the stop lever and the stop screw sleeve of the utility model;

FIG. 6 is a schematic view of a protective sleeve according to the present utility model;

in the figure: 1. a first connection base; 2. a second connecting seat; 3. a bellows expansion joint body; 4. a limit connecting component; 5. a limit rod; 6. a first limit screw sleeve; 7. a second limit screw sleeve; 8. a first threaded connection section; 9. a second threaded connection section; 10. a first flange plate; 11. a connecting pipe; 12. a second flange plate; 13. a first protective sleeve; 14. a second protective sleeve; 15. a mounting base; 16. a mounting hole; 17. a limiting plate; 18. and a rubber seat.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and fully with reference to the accompanying drawings, in which it is evident that the embodiments described are only some, but not all embodiments of the utility model; all other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

The utility model provides a sleeve compensation structure of a pipeline expansion joint, which is shown in fig. 1 to 5, and comprises a first connecting seat 1, a second connecting seat 2, a corrugated expansion joint body 3 and a plurality of limit connecting components 4, wherein the corrugated expansion joint body 3 is fixedly connected between the first connecting seat 1 and the second connecting seat 2, the limit connecting components 4 are movably connected between the first connecting seat 1 and the second connecting seat 2, the limit connecting components 4 are composed of a limit rod 5, a plurality of limit threaded sleeves I6, a plurality of limit threaded sleeves II 7, a plurality of threaded connecting sections I8 and a plurality of threaded connecting sections II 9, the threaded connecting sections I8 and the threaded connecting sections II 9 are fixedly connected to two ends of the limit rod 5, and the limit threaded sleeves I6 and the limit threaded sleeves II 7 are sleeved at two ends of the limit rod 5 and are respectively matched with the threaded connecting sections I8 and II 9;

as shown in fig. 1 to 6, the first connecting seat 1 and the second connecting seat 2 are respectively composed of a first flange plate 10, a connecting pipeline 11 and a second flange plate 12, so that the convenience of installation can be improved, meanwhile, a telescopic space is provided for the limit connecting assembly 4, the connecting pipeline 11 is fixedly connected between the first flange plate 10 and the second flange plate 12, one end of the first connecting seat 1 is sleeved with a first protective sleeve 13, one end of the second connecting seat 2 is sleeved with a second protective sleeve 14, the protection of the corrugated expansion joint body 3 can be realized, the outer diameter of the second protective sleeve 14 is smaller than the inner diameter of the first protective sleeve 13, one ends of the inner side walls of the first protective sleeve 13 and the second protective sleeve 14 are fixedly provided with a plurality of mounting seats 15, a plurality of mounting holes 16 matched with the mounting seats 15 are formed in the second flange plate 12, the mounting seats 15 are connected with the mounting holes 16 through bolts, the first protective sleeve 13 and the second protective sleeve 14 are conveniently connected with the second flange plate 12 respectively, two ends of the limit rod 5 are fixedly provided with limit plates 17, one ends of the limit screw sleeve 6 and the limit screw sleeve 7, which are close to the second flange plate 12 are fixedly provided with rubber 18, and the two ends of the limit screw sleeve 7 are fixedly provided with a sliding structure between the two flange rods 5 and the two flange plates 12;

when the expansion joint is used, the expansion range of the corrugated expansion joint body 3 can be judged according to the use environment and internal media, therefore, the limiting connection assembly 4 can be adjusted, during adjustment, the limiting swivel nut I6 and the limiting swivel nut II 7 are rotated respectively, the distance between the limiting swivel nut I6 and the limiting swivel nut II 7 and the flange plate II 12 is adjusted, the flange plate II 12 is limited through the limiting swivel nut I6 and the limiting swivel nut II 7, the expansion distance between the first connection seat 1 and the second connection seat 2 can be limited through the limiting connection assembly 4, the corrugated expansion joint body 3 is prevented from being damaged due to the fact that the expansion joint body 3 reaches the stretching limit and the compression limit, meanwhile, the limiting connection assembly 4 can be used for axially limiting the first connection seat 1 and the second connection seat 2, the corrugated expansion joint body 3 is prevented from being unevenly stressed due to the fact that the deflection occurs during expansion, the first protection sleeve 13 and the second protection sleeve 14 are used for protecting the corrugated expansion joint body 3, when the limiting swivel nut I6 and the limiting swivel nut II 7 are required to be adjusted, the first protection sleeve 13 and the second protection sleeve 14 are disassembled, the first protection sleeve 13 and the second protection sleeve 12 can be contracted to the first protection sleeve 13 and the second protection sleeve 14 after the second protection sleeve 13 and the second protection sleeve 12 are contracted, and the first protection sleeve 13 and the second protection sleeve 13 can be moved to the protection sleeve 13.

In operation, the limiting connecting assembly consisting of the limiting rod, the first limiting threaded sleeves, the second limiting threaded sleeves, the first threaded connecting sections and the second threaded connecting sections is arranged, so that the axial telescopic distance of the pipeline expansion joint can be adjusted and limited, the pipeline expansion joint is prevented from being damaged, the axial limiting can be realized, and the service life of the pipeline expansion joint is prolonged; the first protective sleeve and the second protective sleeve are arranged to protect the corrugated expansion joint body, so that the corrugated expansion joint body is prevented from being damaged.

Claims

1. The utility model provides a sleeve compensation structure of pipeline expansion joint, includes first connecting seat (1), second connecting seat (2), ripple expansion joint body (3) and a plurality of spacing coupling assembling (4), its characterized in that: the corrugated expansion joint is characterized in that the corrugated expansion joint body (3) is fixedly connected between the first connecting seat (1) and the second connecting seat (2), the limiting connecting assembly (4) is movably connected between the first connecting seat (1) and the second connecting seat (2), the limiting connecting assembly (4) is composed of a limiting rod (5), a plurality of limiting threaded sleeves I (6), a plurality of limiting threaded sleeves II (7), a plurality of threaded connecting sections I (8) and a plurality of threaded connecting sections II (9), the threaded connecting sections I (8) and the threaded connecting sections II (9) are fixedly connected to two ends of the limiting rod (5), and the limiting threaded sleeves I (6) and the limiting threaded sleeves II (7) are sleeved at two ends of the limiting rod (5) and are respectively matched with the threaded connecting sections I (8) and the threaded connecting sections II (9).

2. The sleeve compensating structure of a pipe expansion joint according to claim 1, wherein: the first connecting seat (1) and the second connecting seat (2) are respectively composed of a first flange plate (10), a connecting pipeline (11) and a second flange plate (12), and the connecting pipeline (11) is fixedly connected between the first flange plate (10) and the second flange plate (12).

3. A sleeve compensating structure of a pipe expansion joint according to claim 2, wherein: one end cover of first connecting seat (1) is equipped with protection sleeve one (13), and the one end cover of second connecting seat (2) is equipped with protection sleeve two (14), and the external diameter of protection sleeve two (14) is less than the internal diameter of protection sleeve one (13), and the one end of protection sleeve one (13) and protection sleeve two (14) inside wall is all fixed and is provided with a plurality of mount pads (15), has seted up a plurality of mounting holes (16) that match with mount pad (15) on ring flange two (12), passes through bolted connection between mount pad (15) and mounting hole (16).

4. The sleeve compensating structure of a pipe expansion joint according to claim 1, wherein: limiting plates (17) are fixedly arranged at two ends of the limiting rod (5), and rubber seats (18) are fixedly arranged at one ends, close to the second flange plate (12), of the first limiting screw sleeve (6) and the second limiting screw sleeve (7).

5. The sleeve compensating structure of a pipe expansion joint according to claim 1, wherein: and a sliding connection structure is arranged between the limiting rod (5) and the second flange plate (12).