CN214579646U

CN214579646U - High-stability transverse expansion joint

Info

Publication number: CN214579646U
Application number: CN202120737936.8U
Authority: CN
Inventors: 李亮; 杨丙旭; 孙丹; 赵超; 姜晓琳; 王莹
Original assignee: Shenyang Aerosun Futai Expansion Joint Co ltd
Current assignee: Shenyang Aerosun Futai Expansion Joint Co ltd
Priority date: 2021-04-12
Filing date: 2021-04-12
Publication date: 2021-11-02
Anticipated expiration: 2031-04-12

Abstract

The utility model discloses a horizontal type expansion joint of high stability, take over in including, the equal fixed mounting in both ends of well takeover has the bellows, the left side the left end fixed mounting of bellows has first ring flange, right side the right-hand member fixed mounting of bellows has the second ring flange, the bellows includes the substrate layer, the top of substrate layer is passed through the adhesive and is bonded there is toughness layer, toughness layer's top is bonded through the adhesive and is had high temperature resistant layer, be provided with even atress mechanism between first ring flange and the second ring flange, even atress mechanism is including running through the first depression bar that is provided with on the first ring flange and running through the second depression bar that is provided with on the second ring flange, the utility model relates to an expansion joint technical field. This horizontal type expansion joint of high stability through the setting of even atress mechanism, can effectively guarantee that the bellows atress is even when using, reduces the possibility that the bellows damaged because of the atress is inhomogeneous.

Description

High-stability transverse expansion joint

Technical Field

The utility model relates to an expansion joint technical field specifically is a horizontal type expansion joint of high stability.

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. Expansion joints are also conventionally called compensators, or expansion joints. It is composed of bellows (an elastic element) and its working body, end pipe, support, flange and guide pipe. 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. And can also be used for noise reduction and vibration reduction. Totally enclosed switchgear (GIS) has been widely used in the field of modern power generation and transmission. The higher the voltage level, the better the technical and economic benefits. With the rapid development of social economy in China, the urban power load is continuously increased, and the requirement on power supply reliability is higher and higher. GIS has become the leading equipment in secondary distribution system with its advantages of small floor area, safe and reliable operation, long maintenance period, convenient installation and the like

Inside SF6 gas insulation medium that fills of GIS, and work in high electric field gradient environment, so need an expansion joint as GIS's position compensation and pipe seal device, can use bellows expansion joint generally, and the easy atress of bellows in the bellows expansion joint that has now is inhomogeneous, leads to the bellows fragile, and bellows toughness is general, and the quality remains the improvement, consequently, the utility model provides a horizontal type expansion joint of high stability to solve the above-mentioned problem.

SUMMERY OF THE UTILITY MODEL

Not enough to prior art, the utility model provides a horizontal type expansion joint of high stability, the bellows easy atress in having solved current bellows expansion joint is inhomogeneous, leads to the bellows fragile, and bellows toughness is general, and the quality remains the problem that improves.

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a horizontal type expansion joint of high stability, includes well takeover, the equal fixed mounting in both ends of well takeover has bellows, left side the left end fixed mounting of bellows has first ring flange, right side the right-hand member fixed mounting of bellows has the second ring flange, the bellows includes the substrate layer, the top of substrate layer is passed through the adhesive and is bonded there is the toughness layer, the top on toughness layer is bonded through the adhesive and is had high temperature resistant layer, be provided with even atress mechanism between first ring flange and the second ring flange.

The uniform stress mechanism comprises a first pressure lever arranged on the first flange plate in a penetrating way and a second pressure lever arranged on the second flange plate in a penetrating way, the first pressure levers are evenly distributed with four, the second pressure levers are evenly distributed with four, the four first pressure levers are all fixed on the first flange plate through nuts, the four second pressure levers are all fixed on the second flange plate through nuts, sleeves are arranged between the adjacent first pressure levers and the adjacent second pressure levers, the left side of the inner wall of the sleeve is connected with a first strong magnetic block in a sliding way, the right side of the inner wall of the sleeve is connected with a second strong magnetic block in a sliding way, the right-hand member of first depression bar runs through the sleeve and with the left side fixed connection of first strong magnet, the left end of second depression bar runs through the sleeve and with the right side fixed connection of the strong magnet of second, be fixed with the atress spring between the one side that the strong magnet of first strong magnet is relative with the strong magnet of second.

Preferably, the toughness layer includes rock wool layer and carbon steel layer, the bottom on rock wool layer and the top fixed connection on carbon steel layer.

Preferably, the high-temperature resistant layer comprises a talc powder layer and a mica powder layer, and the bottom of the talc powder layer is fixedly connected with the top of the mica powder layer.

Preferably, two the surface of bellows all is equipped with the lantern ring, two the equal fixed mounting of inner wall of lantern ring has the annular to inhale the sound cotton.

Preferably, the lantern ring is made of elastic materials, and the inner surface of the annular sound absorption cotton is in contact with the surface of the corrugated pipe.

Preferably, the surfaces of the first flange plate and the second flange plate are both provided with prefabricated mounting threaded holes in a penetrating manner.

Advantageous effects

The utility model provides a horizontal type expansion joint of high stability. Compared with the prior art, the method has the following beneficial effects:

(1) the high-stability transverse expansion joint comprises a first flange plate and a second flange plate, wherein a uniform stress mechanism is arranged between the first flange plate and the second flange plate, the uniform stress mechanism comprises four first pressure rods penetrating through the first flange plate and four second pressure rods penetrating through the second flange plate, the four first pressure rods are all fixed on the first flange plate through nuts, the four second pressure rods are all fixed on the second flange plate through nuts, a sleeve is arranged between the adjacent first pressure rods and the adjacent second pressure rods, the left side of the inner wall of the sleeve is in sliding connection with a first strong magnetic block, the right side of the inner wall of the sleeve is in sliding connection with a second strong magnetic block, the right end of each first pressure rod penetrates through the sleeve and is fixedly connected with the left side of the corresponding first strong magnetic block, and the left end of each second pressure rod penetrates through the sleeve and is fixedly connected with the right side of the corresponding second strong magnetic block, a stress spring is fixed between one side of the first strong magnetic block opposite to the second strong magnetic block, and the corrugated pipe can be effectively ensured to be uniformly stressed when in use through the arrangement of the uniform stress mechanism, so that the possibility of damage of the corrugated pipe due to nonuniform stress is reduced.

(2) This horizontal type expansion joint of high stability, through including the substrate layer at the bellows, the top of substrate layer bonds through the bonding agent has the toughness layer, the top on toughness layer bonds through the bonding agent has high temperature resistant layer, the surface of two bellows all overlaps and is equipped with the lantern ring, the equal fixed mounting of inner wall of two lantern rings has the annular to inhale the sound cotton, setting through the toughness layer, effectively increase the toughness of bellows, reduce the possibility of bellows fracture, through the setting on high temperature resistant layer, effectively improve the high temperature resistance performance of bellows, inhale the cotton setting of sound through the annular, noise when effectively reducing the bellows and using.

Drawings

FIG. 1 is a perspective view of the structure of the present invention;

fig. 2 is a three-dimensional cross-sectional view of the sleeve structure of the present invention;

FIG. 3 is a perspective view of the collar structure of the present invention;

fig. 4 is a schematic view of the overall structure of the bellows of the present invention;

FIG. 5 is a schematic view of the structure of the flexible layer of the present invention;

fig. 6 is a schematic view of the high temperature resistant layer structure of the present invention.

In the figure: 1-middle connecting pipe, 2-corrugated pipe, 21-base material layer, 22-toughness layer, 221-rock wool layer, 222-carbon steel layer, 23-high temperature resistant layer, 231-talcum powder layer, 232-mica powder layer, 3-first flange plate, 4-second flange plate, 5-uniform stress mechanism, 51-first pressure bar, 52-second pressure bar, 53-nut, 54-sleeve, 55-first strong magnet, 56-second strong magnet, 57-stress spring, 6-lantern ring, 7-annular sound-absorbing cotton and 8-prefabricated mounting threaded hole.

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. 1-6, the present invention provides a technical solution: the utility model provides a horizontal type expansion joint of high stability, take over 1 in including, the equal fixed mounting in both ends of taking over 1 has bellows 2, the left end fixed mounting of left side bellows 2 has first ring flange 3, the right-hand member fixed mounting of right side bellows 2 has second ring flange 4, bellows 2 includes substrate layer 21, the top of substrate layer 21 is passed through the bonding agent and is bonded toughness layer 22, the top of toughness layer 22 is bonded through the bonding agent has high temperature resistant layer 23, be provided with even atress mechanism 5 between first ring flange 3 and the second ring flange 4.

The uniform stress mechanism 5 comprises a first pressure lever 51 penetrating and arranged on the first flange plate 3 and a second pressure lever 52 penetrating and arranged on the second flange plate 4, the number of the first pressure levers 51 is four, the number of the second pressure levers 52 is four, the four first pressure levers 51 are all fixed on the first flange plate 3 through nuts 53, the surface of the first pressure lever 51 is provided with an external thread groove matched with the nuts 53, the four second pressure levers 52 are all fixed on the second flange plate 4 through the nuts 53, the surface of the second pressure lever 52 is provided with an external thread groove matched with the nuts 53, a sleeve 54 is arranged between the adjacent first pressure lever 51 and the adjacent second pressure lever 52, the left side of the inner wall of the sleeve 54 is slidably connected with a first strong magnetic block 55, the right side of the inner wall of the sleeve 54 is slidably connected with a second strong magnetic block 56, one side of the first strong magnetic block 55 and the second strong magnetic block 56, which are close to each other, is of the same magnetic pole, repulsion force is generated between the two strong magnets to be matched with the stressed spring 57 for use, the right end of the first pressure lever 51 penetrates through the sleeve 54 and is fixedly connected with the left side of the first strong magnet 55, the left end of the second pressure lever 52 penetrates through the sleeve 54 and is fixedly connected with the right side of the second strong magnet 56, and the stressed spring 57 is fixed between the opposite sides of the first strong magnet 55 and the second strong magnet 56.

The tough layer 22 comprises a rock wool layer 221 and a carbon steel layer 222, the bottom of the rock wool layer 221 is fixedly connected with the top of the carbon steel layer 222, the rock wool products all adopt high-quality basalt, dolomite and the like as main raw materials and can be used for tough coating, the carbon steel is the earliest and most used basic material in recent industry, the toughness is good and is used as tough coating, the high-temperature resistant layer 23 comprises a talc powder layer 231 and a mica powder layer 232, the bottom of the talc powder layer 231 is fixedly connected with the top of the mica powder layer 232, the rock wool products all adopt high-quality basalt, dolomite and the like as main raw materials and can be used for tough coating, and the carbon steel is the earliest and most used basic material in recent industry, the toughness is good and is used as tough coating.

The surface of two bellows 2 all is equipped with the lantern ring 6, and the equal fixed mounting of the inner wall of two lantern rings 6 has the annular to inhale sound cotton 7, can absorb the noise, and lantern ring 6 is the elasticity material, and the annular is inhaled the internal surface of sound cotton 7 and the surface contact of bellows 2, and first ring flange 3 all runs through on the surface of second ring flange 4 and has seted up prefabricated installation screw hole 8.

And those not described in detail in this specification are well within the skill of those in the art.

The during operation, bellows 2 is when the atress is contracted, make first depression bar 51 and second depression bar 52 be close to each other, and then make the strong magnetic block of first strong magnetic block 55 and second 56 slide near each other, and then extrude atress spring 57, repulsion between the strong magnetic block of cooperation first 55 and second 56 makes bellows 2 atress more even when the shrink, setting through toughness layer 22, effectively increase the toughness of bellows 2, reduce the possibility of bellows 2 fracture, setting through high temperature resistant layer 23, effectively improve the high temperature resistance of bellows 2, inhale the setting of sound cotton 7 through the annular, noise when effectively reducing bellows 2 and using.

It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, 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 high stability transverse type expansion joint, comprising a central connection pipe (1), characterized in that: the corrugated pipe is characterized in that corrugated pipes (2) are fixedly mounted at two ends of the middle connecting pipe (1), a first flange plate (3) is fixedly mounted at the left end of the corrugated pipe (2) at the left side, a second flange plate (4) is fixedly mounted at the right end of the corrugated pipe (2) at the right side, the corrugated pipe (2) comprises a base material layer (21), a toughness layer (22) is bonded at the top of the base material layer (21) through an adhesive, a high-temperature-resistant layer (23) is bonded at the top of the toughness layer (22) through the adhesive, and a uniform stress mechanism (5) is arranged between the first flange plate (3) and the second flange plate (4);

the uniform stress mechanism (5) comprises a first pressure rod (51) penetrating through the first flange plate (3) and a second pressure rod (52) penetrating through the second flange plate (4), wherein four first pressure rods (51) are uniformly distributed, four second pressure rods (52) are uniformly distributed, the four first pressure rods (51) are fixed on the first flange plate (3) through nuts (53), the four second pressure rods (52) are fixed on the second flange plate (4) through nuts (53), a sleeve (54) is arranged between the adjacent first pressure rods (51) and the adjacent second pressure rods (52), a first strong magnetic block (55) is connected to the left side of the inner wall of the sleeve (54) in a sliding manner, a second strong magnetic block (56) is connected to the right side of the inner wall of the sleeve (54), and the right end of each first pressure rod (51) penetrates through the sleeve (54) and is fixedly connected with the left side of the first strong magnetic block (55), the left end of the second pressure lever (52) penetrates through the sleeve (54) and is fixedly connected with the right side of the second strong magnetic block (56), and a stressed spring (57) is fixed between the opposite sides of the first strong magnetic block (55) and the second strong magnetic block (56).

2. A high stability transverse expansion joint according to claim 1, wherein: the tough layer (22) comprises a rock wool layer (221) and a carbon steel layer (222), and the bottom of the rock wool layer (221) is fixedly connected with the top of the carbon steel layer (222).

3. A high stability transverse expansion joint according to claim 1, wherein: the high temperature resistant layer (23) comprises a talc powder layer (231) and a mica powder layer (232), and the bottom of the talc powder layer (231) is fixedly connected with the top of the mica powder layer (232).

4. A high stability transverse expansion joint according to claim 1, wherein: two the surface of bellows (2) all is equipped with the lantern ring (6), two the equal fixed mounting in inner wall of lantern ring (6) has the annular to inhale sound cotton (7).

5. A high stability transverse expansion joint according to claim 4, wherein: the lantern ring (6) is made of elastic materials, and the inner surface of the annular sound absorption cotton (7) is in contact with the surface of the corrugated pipe (2).

6. A high stability transverse expansion joint according to claim 1, wherein: and prefabricated mounting threaded holes (8) are formed in the surfaces of the first flange plate (3) and the second flange plate (4) in a penetrating manner.