CN213420286U

CN213420286U - Anti-seismic high-heat-insulation non-metal expansion joint

Info

Publication number: CN213420286U
Application number: CN202022101632.0U
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 a high thermal-insulated non-metallic expansion joint of antidetonation relates to industrial expansion joint technical field. The utility model comprises mounting pipes at two sides, heat insulation filler filled between the two mounting pipes, and a covering with two side edges mounted on the mounting pipes and used for covering the heat insulation filler; the two mounting pipes are respectively welded with a retaining ring a and a retaining ring b; the retainer ring a is inserted into the retainer ring b, the overall structure of the expansion joint is approximately the same as that of the expansion joint in the prior art, the working principle and the installation mode are the same, and an elastic mechanism for buffering the radial vibration quantity of the installation pipe is also arranged between the retainer ring a and the retainer ring b; the heat-resistant rubber ring is arranged at the connecting end of the retainer ring a and the retainer ring b; the cross section of the temperature-resistant rubber ring is of an E-shaped structure; the outer ring and the middle ring of the temperature-resistant rubber ring are respectively attached to the outer side wall and the inner side wall of the retainer ring b. The utility model discloses an at retaining ring an and retaining ring b's link installation temperature resistant rubber circle, carry out flexible airtight connection, increase shock resistance, improve thermal-insulated ageing.

Description

Anti-seismic high-heat-insulation non-metal expansion joint

Technical Field

The utility model belongs to the technical field of the industry expansion joint, especially, relate to a nonmetal expansion joint.

Background

With the development of science and technology, in various circulating fluidized bed boilers, gas turbine exhaust-heat boilers, chemical industry, cement, papermaking, high-rise buildings and other industries, deformation is generated between equipment, between equipment and pipelines, between pipelines due to expansion with heat and contraction with cold, usually, a non-metal compensator, namely a non-metal expansion joint, is adopted to compensate displacement, absorb vibration and reduce noise, and the non-metal compensator is mainly made of fiber fabrics, rubber and other high-temperature resistant materials so as to compensate vibration and pipeline deformation of a fan and an air pipe in operation.

Application number 201521003175.4's utility model discloses a non-metallic expansion joint, including the installation pipe that is located both sides, pack thermal-insulated filler, the both sides limit between two installation pipes and install on the installation pipe and be used for covering the covering of thermal-insulated filler, two it has retaining ring an and retaining ring b still to weld respectively on the installation pipe, retaining ring an pegs graft in retaining ring b, still be equipped with the elastic mechanism who is used for the radial vibrations volume of buffering installation pipe between retaining ring an and the retaining ring b. The utility model discloses a through the shock resistance of elastic mechanism reinforcing expansion joint, have longer life simultaneously. But the thermal-insulated filler wherein can take place to become flexible in the in-process that the link shakes, breaks away from easily between retaining ring a and the retaining ring b, causes the ageing reduction of heat-proof quality easily.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a high thermal-insulated non-metallic expansion joint of antidetonation through the temperature resistant rubber circle of link installation at retaining ring an and retaining ring b, carries out flexible airtight connection, increases shock resistance, improves thermal-insulated ageing, has solved current problem.

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

the utility model relates to an anti-seismic high heat insulation nonmetal expansion joint, which comprises mounting pipes positioned at two sides, heat insulation filler filled between the two mounting pipes, and a covering skin, wherein two side edges of the covering skin are mounted on the mounting pipes and used for covering the heat insulation filler; the two mounting pipes are also respectively welded with a retaining ring a and a retaining ring b; the expansion joint is characterized in that the retainer ring a is inserted into the retainer ring b, the overall structure of the expansion joint is approximately the same as that of the expansion joint in the prior art, the working principle and the installation mode of the expansion joint are the same, and an elastic mechanism for buffering the radial vibration quantity of the installation pipe is arranged between the retainer ring a and the retainer ring b; the elastic mechanism comprises a fixed ring a matched with the inner ring of the check ring a, a fixed ring b matched with the inner ring of the check ring b, a plurality of springs of which two ends are welded on the fixed ring a and the fixed ring b, and a temperature-resistant rubber ring arranged at the connecting end of the check ring a and the check ring b; the cross section of the temperature-resistant rubber ring is of an E-shaped structure; the outer ring and the middle ring of the temperature-resistant rubber ring are respectively attached to the outer side wall and the inner side wall of the retainer ring b; the inner ring of the temperature-resistant rubber ring is attached to the outer wall of the retainer ring a; the middle ring is arranged between the check ring b and the fixed ring b; the inner ring is arranged between the retaining ring a and the fixed ring a.

Furthermore, a crescent check ring is fixed on the inner wall of the temperature-resistant rubber ring between the middle ring and the inner ring; and the two ends of the crescent retainer ring are respectively abutted against the fixed ring a and the fixed ring b.

Furthermore, four springs are distributed on the retainer ring a in the axial direction; sixteen springs are uniformly distributed on the retainer ring a in the circumferential direction.

Further, the retainer ring a and the fixing ring a are riveted through a rivet.

Further, the retainer ring b is riveted with the fixing ring b through a rivet.

Furthermore, the outer surfaces of the check ring a, the check ring b, the fixed ring a, the fixed ring b and the spring are coated with anti-corrosion layers.

The utility model discloses following beneficial effect has:

the utility model discloses an at retaining ring an and retaining ring b's link installation temperature resistant rubber circle, carry out flexible airtight connection, increase shock resistance, ensure thermal-insulated filler can not leak simultaneously, improve thermal-insulated ageing.

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 the anti-seismic high thermal insulation non-metallic expansion joint of the present invention;

FIG. 2 is an enlarged view of a portion of FIG. 1 at A;

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

1-installation pipe, 2-heat insulation filler, 3-skin, 4-retainer ring a, 5-retainer ring a, 6-elastic mechanism, 7-fixing ring a, 8-fixing ring b, 9-spring, 10-temperature-resistant rubber ring, 101-outer ring, 102-middle ring, 103-inner ring and 104-crescent retainer ring.

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. 1-2, the utility model relates to an anti-seismic high thermal insulation nonmetal expansion joint, which comprises mounting pipes 1 at two sides, a thermal insulation filler 2 filled between the two mounting pipes 1, and a skin 3 with two sides mounted on the mounting pipes 1 and used for covering the thermal insulation filler 2; the two mounting pipes 1 are also respectively welded with a retaining ring a4 and a retaining ring b 5; the check ring a4 is inserted into the check ring b5, the overall structure of the expansion joint is the same as that of the expansion joint in the prior art, the working principle and the installation mode are the same, and an elastic mechanism 6 for buffering the radial vibration quantity of the installation pipe 1 is also arranged between the check ring a4 and the check ring b 5; the elastic mechanism 6 comprises a fixed ring a7 matched with the inner ring of a retainer ring a4, a fixed ring b8 matched with the inner ring of a retainer ring b5 and a plurality of springs 9 with two ends welded on the fixed ring a7 and the fixed ring b8, the elastic mechanism 6 is arranged between a retainer ring a4 and a retainer ring b5, so that when the expansion joint vibrates, the elastic mechanism 6 can absorb the kinetic energy of the vibration, reduce the displacement between the two installation pipes 1 and increase the shock resistance, meanwhile, the retainer ring a4 and the retainer ring b5 can not be contacted and damaged, and the spring 9 is preferably used, the spring 9 is arranged on the fixed ring a7 and the fixed ring b8 and then welded on the fixed ring a7 and the fixed ring b8 on the retainer ring a4 and the retainer ring b5, although the elastic mechanism 6 fixes the fixed ring a and the retainer ring b8, the kinetic energy of the vibration transmitted by the pipeline can be absorbed through the elastic potential energy of the spring 9, and the shock absorption can, the shock resistance of the expansion joint is improved by phase transformation;

the heat-resistant rubber ring comprises a heat-resistant rubber ring 10, a check ring a4 and a check ring b 5;

the cross section of the temperature-resistant rubber ring 10 is of an E-shaped structure; an outer ring 101 and a middle ring 102 of the temperature-resistant rubber ring 10 are respectively attached to the outer side wall and the inner side wall of the retainer ring b 5; the inner ring 103 of the temperature-resistant rubber ring 10 is attached to the outer wall of the retainer ring a 4;

the middle ring 102 is arranged between the check ring b5 and the fixed ring b 8; the inner ring 103 is disposed between the retainer ring a4 and the retainer ring a 7.

Wherein a crescent retainer ring 104 is fixed on the inner wall of the temperature-resistant rubber ring 10 between the middle ring 102 and the inner ring 103; both ends of the crescent retainer 104 are respectively abutted against the fixed ring a7 and the fixed ring b 8.

Wherein, four springs 9 are distributed on the retainer ring a4 in the axial direction; sixteen springs 9 are uniformly distributed on the retainer ring a4 in the circumferential direction.

Wherein, the retainer ring a4 is riveted with the fixed ring a7 through a rivet; the retaining ring b5 is riveted with the fixing ring b8 through a rivet; the outer surfaces of the check ring a4, the check ring b5, the fixed ring a7, the fixed ring b8 and the spring 9 are coated with an anti-corrosion layer.

The fixed ring a7 is distributed with a plurality of springs 9 in the axial direction, the fixed ring a7 is distributed with a plurality of springs 9 in the radial direction, the other end of the spring 9 is fixed on the fixed ring b8, the fixed ring a7 and the fixed ring b8 can be conveniently installed on the expansion joint compared with the spring 9, in the scheme, the springs 9 are distributed with a plurality of layers, each layer is provided with a plurality of layers, and the damping capacity of the elastic mechanism 6 is enlarged;

the temperature-resistant rubber ring 10 is arranged at the connecting end of the check ring a4 and the check ring b5, flexible airtight connection is carried out, the shock resistance is increased, meanwhile, the heat insulation filler 2 is ensured not to leak, and the heat insulation aging is improved.

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 anti-seismic high-heat-insulation nonmetal expansion joint comprises mounting pipes (1) positioned at two sides, a heat insulation filler (2) filled between the two mounting pipes (1), and a skin (3) of which two side edges are mounted on the mounting pipes (1) and used for covering the heat insulation filler (2); the two mounting pipes (1) are respectively welded with a retaining ring a (4) and a retaining ring b (5); the retainer ring a (4) is inserted into the retainer ring b (5), and an elastic mechanism (6) for buffering the radial vibration quantity of the installation pipe (1) is arranged between the retainer ring a (4) and the retainer ring b (5); elastic mechanism (6) including with retainer ring a (7) of retaining ring a (4) inner circle adaptation, with retainer ring b (5) inner circle adaptation retainer ring b (8) and both ends welding a plurality of springs (9) on retainer ring a (7) and retainer ring b (8), its characterized in that:

the heat-resistant rubber ring is characterized by also comprising a heat-resistant rubber ring (10) arranged at the connecting end of the retainer ring a (4) and the retainer ring b (5);

the cross section of the temperature-resistant rubber ring (10) is of an E-shaped structure; an outer ring (101) and a middle ring (102) of the temperature-resistant rubber ring (10) are respectively attached to the outer side wall and the inner side wall of the retainer ring b (5); the inner ring (103) of the temperature-resistant rubber ring (10) is attached to the outer wall of the retainer ring a (4);

the middle ring (102) is arranged between the retainer ring b (5) and the fixed ring b (8); the inner ring (103) is arranged between the retaining ring a (4) and the fixed ring a (7).

2. The anti-seismic high-heat-insulation nonmetal expansion joint according to claim 1, characterized in that a crescent retainer ring (104) is fixed on the inner wall of the temperature-resistant rubber ring (10) between the middle ring (102) and the inner ring (103); and two ends of the crescent retainer ring (104) are respectively abutted against the fixed ring a (7) and the fixed ring b (8).

3. An anti-seismic high-heat-insulation nonmetal expansion joint according to claim 1, wherein the retainer ring a (4) is distributed with four springs (9) in the axial direction; sixteen springs (9) are uniformly distributed on the retainer ring a (4) in the circumferential direction.

4. An earthquake-resistant high-heat-insulation non-metallic expansion joint according to claim 1, wherein the retainer ring a (4) and the fixing ring a (7) are riveted by a rivet.

5. An earthquake-resistant high-heat-insulation non-metallic expansion joint according to claim 1, wherein the retainer ring b (5) and the fixing ring b (8) are riveted by a rivet.

6. An earthquake-resistant high thermal insulation non-metallic expansion joint according to claim 1, characterized in that the outer surfaces of the retainer ring a (4), the retainer ring b (5), the retainer ring a (7), the retainer ring b (8) and the spring (9) are coated with an anti-corrosion layer.