CN213420284U

CN213420284U - Expansion joint wear-resistant structure

Info

Publication number: CN213420284U
Application number: CN202022098716.3U
Authority: CN
Inventors: 黄锐
Original assignee: Jiangsu Baoxinlai Pipeline Complete Equipment Co ltd
Current assignee: Jiangsu Baoxinlai Pipeline Complete Equipment Co ltd
Priority date: 2020-09-23
Filing date: 2020-09-23
Publication date: 2021-06-11
Anticipated expiration: 2030-09-23

Abstract

The utility model discloses an expansion joint abrasionproof decreases structure relates to expansion joint technical field. The utility model discloses a bellows, a plurality of otic placodes of the even fixedly connected with in all sides of ring flange, otic placode surface have the connecting rod through universal ball hinge, a plurality of arc elastic plates of fixedly connected with between the two ring flange sides, arc elastic plate lateral wall fixedly connected with backup pad, the spout inner wall has two curb plates through slider sliding connection, fixedly connected with buffer spring between the both sides board side, connecting rod one end is articulated through universal ball and curb plate another side. The utility model discloses a connecting rod, arc elastic plate, backup pad, curb plate and buffer spring's design, diversified buffering shock attenuation to the bellows has increased the stand wear and tear performance of bellows, has improved the life of bellows, has avoided current expansion joint to receive the medium and has erodeed the easy vibrations that produce of scouring, leads to the expansion joint wearing and tearing to damage, shortens expansion joint life's problem.

Description

Expansion joint wear-resistant structure

Technical Field

The utility model belongs to the technical field of the expansion joint, especially, relate to an expansion joint abrasionproof decreases structure.

Background

The expansion joint is a flexible structure provided on the vessel shell or pipe to compensate for additional stresses due to temperature differences and mechanical vibrations. As an elastic compensation element capable of freely stretching, the elastic compensation element has the advantages of reliable work, good performance, compact structure and the like, and is widely applied to chemical, metallurgical, nuclear and other departments. The expansion joint is a flexible structure provided on the vessel shell or pipe in order to compensate for additional stresses due to temperature differences and mechanical vibrations. 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.

The medium can erode the expansion joint inner wall in the transmission process, makes the expansion joint vibrations, leads to the expansion joint wearing and tearing to damage easily, shortens the life of expansion joint.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an expansion joint abrasionproof decreases structure, through connecting rod, arc elastic plate, backup pad, curb plate and buffer spring's design, solved current expansion joint and received the medium and erode and produce vibrations easily, lead to the expansion joint wearing and tearing to damage, shorten expansion joint life's problem.

In order to solve the technical problem, the utility model discloses a realize through following technical scheme:

the utility model relates to an expansion joint anti-abrasion structure, which comprises a corrugated pipe;

two ports of the corrugated pipe are fixedly connected with flange plates, the peripheral side surfaces of the flange plates are uniformly and fixedly connected with a plurality of lug plates, and one surface of each lug plate is hinged with a connecting rod through a universal ball;

a plurality of arc-shaped elastic plates are fixedly connected between the side surfaces of the two flange plates, the outer side walls of the arc-shaped elastic plates are fixedly connected with supporting plates, one surfaces of the supporting plates are provided with sliding grooves, the inner walls of the sliding grooves are slidably connected with two side plates through sliding blocks, and buffer springs are fixedly connected between the side surfaces of the two side plates;

one end of the connecting rod is hinged with the other side face of the side plate through a universal ball.

Furthermore, a mounting hole is formed in one side face of the flange plate, the mounting hole is located on one side of the lug plate, and a fastening bolt is connected to the inner wall of the mounting hole in a threaded mode.

Furthermore, the cross section of the sliding groove is of a T-shaped structure, and the cross section of the sliding block is of a T-shaped structure.

Furthermore, the supporting plate is located in the middle of the outer side wall of the arc-shaped elastic plate, and one surface of the side plate is in sliding fit with one surface of the supporting plate.

Furthermore, the corrugated pipe is located inside the arc-shaped elastic plates, and the connecting rod is located on the outer sides of the arc-shaped elastic plates.

The utility model discloses following beneficial effect has:

the utility model discloses a connecting rod, arc elastic plate, backup pad, curb plate and buffer spring's design, buffer spring slows down the axial vibrations that the bellows received, and the arc elastic plate slows down the angular vibrations that the bellows received to diversely cushion the shock attenuation to the bellows, increased the stand wear and tear performance of bellows, improved the life of bellows, avoided current expansion joint to receive the medium and erodeed the easy vibrations that produce, lead to the expansion joint wearing and tearing to damage, shortened expansion joint life's problem.

Of course, it is not necessary for any particular product to achieve all of the above-described advantages at the same time.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present invention, the drawings used in the description of the embodiments will be briefly introduced below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and it is obvious for those skilled in the art that other drawings can be obtained according to these drawings without creative efforts.

FIG. 1 is a schematic structural view of an expansion joint wear prevention structure;

FIG. 2 is a schematic view of the bottom view of FIG. 1;

FIG. 3 is a front view of the structure of FIG. 1;

in the drawings, the components represented by the respective reference numerals are listed below:

1-corrugated pipe, 101-flange plate, 102-lug plate, 103-connecting rod, 104-arc elastic plate, 105-supporting plate, 106-sliding groove, 107-side plate, 108-buffer spring, 109-mounting hole and 110-fastening bolt.

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 of the present invention, all other embodiments obtained by a person of ordinary skill in the art without creative efforts belong to the protection scope of the present invention.

Referring to fig. 1-3, the present invention relates to an expansion joint wear-proof structure, which comprises a corrugated pipe 1;

two ports of the corrugated pipe 1 are fixedly connected with flange plates 101, the peripheral sides of the flange plates 101 are uniformly and fixedly connected with a plurality of lug plates 102, and one surface of each lug plate 102 is hinged with a connecting rod 103 through a universal ball;

a plurality of arc-shaped elastic plates 104 are fixedly connected between the side surfaces of the two flange plates 101, the outer side walls of the arc-shaped elastic plates 104 are fixedly connected with a supporting plate 105, one surface of the supporting plate 105 is provided with a sliding groove 106, the inner wall of the sliding groove 106 is slidably connected with two side plates 107 through sliding blocks, and a buffer spring 108 is fixedly connected between the side surfaces of the two side plates 107;

one end of the connecting rod 103 is hinged with the other side surface of the side plate 107 through a universal ball.

As shown in fig. 1-2, a mounting hole 109 is formed in one side surface of the flange plate 101, the mounting hole 109 is located on one side of the ear plate 102, and a fastening bolt 110 is connected to an inner wall of the mounting hole 109 in a threaded manner, so that the corrugated pipe 1 can be conveniently mounted on an existing pipeline.

The cross section of the sliding groove 106 is a T-shaped structure, and the cross section of the sliding block is a T-shaped structure, so that the side plate 107 is prevented from being separated from the surface of the supporting plate 105.

As shown in fig. 3, the supporting plate 105 is located at a middle position of an outer side wall of the arc-shaped elastic plate 104, and a surface of the side plate 107 is slidably engaged with a surface of the supporting plate 105.

As shown in fig. 3, the bellows 1 is located inside a plurality of arc-shaped elastic plates 104, and the connecting rod 103 is located outside the arc-shaped elastic plates 104.

The working principle of the embodiment is as follows: during the use, the fastening bolt 110 fixed mounting that bellows 1 passes through on the ring flange 101 is on current medium pipeline, when bellows 1 produces axial displacement, connecting rod 103 drives two curb plate 107 horizontal migration, make buffer spring 108 slow down the axial vibrations that bellows 1 received, when bellows 1 produces angular displacement, connecting rod 103 takes place to rotate through the universal ball, arc elastic plate 104 takes place deformation simultaneously, make arc elastic plate 104 slow down the angular vibrations that bellows 1 received, thereby the diversified shock attenuation of buffering is carried out bellows 1, bellows 1's stand wear resistance has been increased, the life of bellows 1 has been improved, avoided current expansion joint to receive the medium and erodeed easy production vibrations, lead to expansion joint wearing and tearing damage, shorten expansion joint life's problem.

In the description herein, references to the description of "one embodiment," "an example," "a specific example," etc., mean that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

The preferred embodiments of the present invention disclosed above are intended only to help illustrate the present invention. The preferred embodiments are not intended to be exhaustive or to limit the invention to the precise embodiments disclosed. Obviously, many modifications and variations are possible in light of the above teaching. The embodiments were chosen and described in order to best explain the principles of the invention and its practical applications, to thereby enable others skilled in the art to best understand the invention for and utilize the invention. The present invention is limited only by the claims and their full scope and equivalents.

Claims

1. An expansion joint wear prevention structure comprises a corrugated pipe (1); the method is characterized in that:

two ports of the corrugated pipe (1) are fixedly connected with flange plates (101), the peripheral side surfaces of the flange plates (101) are uniformly and fixedly connected with a plurality of lug plates (102), and one surface of each lug plate (102) is hinged with a connecting rod (103) through a universal ball;

a plurality of arc-shaped elastic plates (104) are fixedly connected between the side surfaces of the two flange plates (101), the outer side walls of the arc-shaped elastic plates (104) are fixedly connected with supporting plates (105), one surface of each supporting plate (105) is provided with a sliding groove (106), the inner wall of each sliding groove (106) is slidably connected with two side plates (107) through sliding blocks, and a buffer spring (108) is fixedly connected between the side surfaces of the two side plates (107);

one end of the connecting rod (103) is hinged with the other side surface of the side plate (107) through a universal ball.

2. The expansion joint wear prevention structure of claim 1, wherein a mounting hole (109) is formed in one side surface of the flange plate (101), the mounting hole (109) is located on one side of the lug plate (102), and a fastening bolt (110) is connected to an inner wall of the mounting hole (109) in a threaded manner.

3. The expansion joint wear prevention structure of claim 1, wherein the cross section of the runner (106) is a T-shaped structure and the cross section of the slider is a T-shaped structure.

4. The expansion joint wear prevention structure of claim 1, wherein the support plate (105) is located at a middle position of the outer side wall of the arc-shaped elastic plate (104), and a surface of the side plate (107) is in sliding fit with a surface of the support plate (105).

5. Expansion joint wear prevention according to claim 1, characterized in that the bellows (1) is located inside several arcuate spring plates (104), the tie rod (103) being located outside the arcuate spring plates (104).