CN210860241U

CN210860241U - Explosion-proof type pipeline compensator

Info

Publication number: CN210860241U
Application number: CN201920930153.4U
Authority: CN
Inventors: 王逸人
Original assignee: Individual
Current assignee: Dalian 3d Expansion Joint Co ltd
Priority date: 2019-06-20
Filing date: 2019-06-20
Publication date: 2020-06-26
Anticipated expiration: 2029-06-20

Abstract

The utility model discloses an explosion-proof type pipe-line compensator relates to pipe-line compensator technical field, and is relatively poor for solving current pipe-line compensator explosion-proof ability, often can lead to the problem that pipe-line compensator bursts because the impact force that receives is too big at the in-process that uses. Be provided with the ripple expansion joint on the outer wall of main part, and ripple expansion joint and main part structure as an organic whole, the both ends of main part all are provided with the link, and the both ends welded connection of link and main part, be provided with mounting flange on the outer wall of link, be provided with the connecting piece on mounting flange's the outer wall, and be provided with four connecting pieces on every mounting flange respectively, be provided with the anchor strut between the connecting piece, the inside of main part is provided with the inner tube, be provided with the hollow layer between inner tube and the main part, the inside of hollow layer is provided with the fixing base, be provided with the atress board directly over the fixing base, be provided with the spring between fixing base and.

Description

Explosion-proof type pipeline compensator

Technical Field

The utility model relates to a pipeline compensator technical field specifically is an explosion-proof type pipeline compensator.

Background

The pipe compensator is also called as a telescopic device or a telescopic joint or an expansion joint and is mainly used for compensating expansion and contraction caused by temperature change of a pipe. Thermal stresses will develop in the pipe if the pipe is not fully free to expand or contract when the temperature changes. This stress must be taken into account in the pipe design, otherwise it may lead to cracking of the pipe, affecting the normal production run. As an important component of pipeline engineering, the compensator plays an important role in ensuring long-term normal operation of the pipeline, and the pipeline compensator is divided into a metal corrugated compensator, a non-metal compensator, a sleeve compensator, a square compensator and the like. The metal corrugated compensator and the nonmetal compensator are common in use.

The traditional pipeline compensator has poor explosion-proof performance, and the problem that the pipeline compensator bursts because of overlarge impact force is often caused in the using process, so that an explosion-proof pipeline compensator is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide an explosion-proof type pipeline compensator to solve the traditional pipeline compensator blast resistance performance who provides among the above-mentioned background art relatively poor, the in-process that uses often can lead to the problem that pipeline compensator bursts because the impact force that receives is too big.

In order to achieve the above object, the utility model provides a following technical scheme: an explosion-proof pipeline compensator comprises a main body, wherein corrugated expansion joints are arranged on the outer wall of the main body and are integrated with the main body into a whole, connecting ends are arranged at the two ends of the main body and are welded with the two ends of the main body, mounting flanges are arranged on the outer walls of the connecting ends, connecting pieces are arranged on the outer walls of the mounting flanges, four connecting pieces are arranged on each mounting flange respectively, reinforcing rods are arranged between the connecting pieces, an inner pipe is arranged inside the main body, a hollow layer is arranged between the inner pipe and the main body, a fixing seat is arranged inside the hollow layer, a stress plate is arranged right above the fixing seat, a spring is arranged between the fixing seat and the stress plate, the two ends of the spring are fixedly connected with the inner walls of the fixing seat and the stress plate respectively, and bolts are arranged on the upper surface of the stress plate, and the stress plate is fixedly connected with the inner wall of the main body through a bolt.

Preferably, a heat-resistant inner film is arranged on the inner wall of the inner tube, and the heat-resistant inner film and the inner tube are of an integral structure.

Preferably, the lower surface of the stress plate is provided with a push rod, and the push rod is arranged inside the spring.

Preferably, the springs are disposed inside the hollow layer, and the plurality of springs are symmetrically distributed about a central point of the hollow layer.

Preferably, the reinforcing rods are provided in four, and the four reinforcing rods are symmetrically distributed about a central point of the main body.

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

1. the utility model discloses a well hollow layer that sets up plays the effect of buffering, and the spring that well hollow layer inside set up plays the explosion-proof effect of shock attenuation, and when the outer wall of pipeline compensator received external force and assaulted, the atress board can receive the impact force to drive the spring and produce deformation, treat the peak value of impact force after, the spring resumes the former state, drives the atress board and resets, thereby reaches the explosion-proof purpose of shock attenuation.

2. The heat-resistant inner film arranged on the inner wall of the inner pipe plays a role in enhancing the internal heart resistance of the pipeline compensator, so that the internal explosion-proof performance of the pipeline compensator is improved, and the heat-resistant inner film and the inner pipe are integrated to enable the overall structure of the pipeline compensator to be more uniform.

Drawings

Fig. 1 is a schematic view of the overall structure of the present invention;

FIG. 2 is a schematic view of the internal structure of the present invention;

FIG. 3 is an enlarged schematic view of part A of the present invention;

in the figure: 1. a main body; 2. a corrugated expansion joint; 3. a connecting member; 4. a reinforcing rod; 5. a connecting end; 6. installing a flange; 7. an inner tube; 8. a hollow layer; 9. a heat resistant inner film; 10. a fixed seat; 11. a spring; 12. a top rod; 13. a stress plate; 14. and (4) bolts.

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.

Referring to fig. 1-3, the present invention provides an embodiment: an explosion-proof pipeline compensator comprises a main body 1, wherein corrugated expansion joints 2 are arranged on the outer wall of the main body 1, the corrugated expansion joints 2 and the main body 1 are of an integral structure, connecting ends 5 are arranged at two ends of the main body 1, the connecting ends 5 play a role of connecting reinforcing rods 4, the connecting ends 5 are welded with two ends of the main body 1, mounting flanges 6 are arranged on the outer walls of the connecting ends 5, the mounting flanges 6 play a role of facilitating the pipeline compensator to be connected with a pipeline in a sealing manner, connecting pieces 3 are arranged on the outer walls of the mounting flanges 6, four connecting pieces 3 are respectively arranged on each mounting flange 6, reinforcing rods 4 are arranged between the connecting pieces 3, an inner pipe 7 is arranged inside the main body 1, a hollow layer 8 is arranged between the inner pipe 7 and the main body 1, a fixing seat 10 is arranged inside the hollow layer 8, a stress plate 13 is arranged right above the fixing seat 10, be provided with spring 11 between fixing base 10 and the atress board 13, spring 11 plays the explosion-proof effect of shock attenuation, and spring 11's both ends respectively with fixing base 10 and the inner wall fixed connection of atress board 13, the upper surface of atress board 13 is provided with bolt 14, bolt 14 plays the effect of connecting atress board 13 and main part 1, and atress board 13 passes through the inner wall fixed connection of bolt 14 with main part 1.

Further, the inner wall of the inner pipe 7 is provided with a heat-resistant inner film 9, the heat-resistant inner film 9 and the inner pipe 7 are of an integrated structure, the heat-resistant inner film 9 arranged on the inner wall of the inner pipe 7 plays a role in enhancing the heart-resistant performance of the interior of the pipeline compensator, and the heat-resistant inner film 9 and the inner pipe 7 are of an integrated structure, so that the overall structure of the pipeline compensator is more uniform.

Further, the lower surface of atress board 13 is provided with ejector pin 12, and ejector pin 12 sets up in the inside of spring 11, and ejector pin 12 that the lower surface of atress board 13 set up plays the effect of the 11 degree of deformation of restriction spring to the effectual spring 11 of having avoided leads to unable problem of resumeing because of the deformation degree is too big.

Further, spring 11 sets up in the inside of hollow layer 8, and a plurality of springs 11 are about the central point symmetric distribution of hollow layer 8, and the spring 11 that the inside set up of hollow layer 8 plays the explosion-proof effect of shock attenuation, and a plurality of springs 11 can make the explosion-proof performance of shock attenuation of pipe-line compensator more balanced about the central point symmetric distribution of hollow layer 8.

Further, four reinforcing rods 4 are provided, and the four reinforcing rods 4 are symmetrically distributed about the central point of the main body 1, and the four reinforcing rods 4 are provided to function as reinforcing pipe compensators, and the reinforcing rods 4 are of a stretchable structure, so that the pipe compensators perform stretching work within the range of the allowable length of the reinforcing rods 4.

The working principle is as follows: during the use, through the junction sealing connection of mounting flange 6 with pipeline compensator and pipeline, be used for compensating the pipeline through pipeline compensator and receive the expend with heat and contract with cold that temperature variation and produce, the effect of the inside resistant heart performance of reinforcing pipeline compensator is played to heat-resisting inner membrance 9 that sets up on the inner wall of inner tube 7, when pipeline compensator's outer wall received external force impact, atress board 13 can receive the impact force, thereby drive spring 11 and produce deformation, treat the peak value of impact force after crossing, spring 11 resumes the former state, drive atress board 13 and reset, thereby reach the explosion-proof purpose of shock attenuation, accomplish the explosion-proof work of pipeline compensator.

It is obvious to a person skilled in the art that the invention is not restricted to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Claims

1. An explosion-proof type pipe compensator, includes main part (1), its characterized in that: the corrugated expansion joint is characterized in that a corrugated expansion joint (2) is arranged on the outer wall of the main body (1), the corrugated expansion joint (2) and the main body (1) are of an integral structure, connecting ends (5) are arranged at two ends of the main body (1), the connecting ends (5) are welded with two ends of the main body (1), mounting flanges (6) are arranged on the outer walls of the connecting ends (5), connecting pieces (3) are arranged on the outer walls of the mounting flanges (6), four connecting pieces (3) are respectively arranged on each mounting flange (6), reinforcing rods (4) are arranged between the connecting pieces (3), an inner pipe (7) is arranged inside the main body (1), a hollow layer (8) is arranged between the inner pipe (7) and the main body (1), a fixing seat (10) is arranged inside the hollow layer (8), and a stress plate (13) is arranged right above the fixing seat (10), be provided with spring (11) between fixing base (10) and atress board (13), and the both ends of spring (11) respectively with the inner wall fixed connection of fixing base (10) and atress board (13), the upper surface of atress board (13) is provided with bolt (14), and inner wall fixed connection that atress board (13) pass through bolt (14) and main part (1).

2. An explosion-proof type pipe compensator according to claim 1, wherein: the inner wall of the inner pipe (7) is provided with a heat-resistant inner film (9), and the heat-resistant inner film (9) and the inner pipe (7) are of an integral structure.

3. An explosion-proof type pipe compensator according to claim 1, wherein: the lower surface of the stress plate (13) is provided with a mandril (12), and the mandril (12) is arranged in the spring (11).

4. An explosion-proof type pipe compensator according to claim 1, wherein: the springs (11) are arranged inside the hollow layer (8), and the springs (11) are symmetrically distributed around the center point of the hollow layer (8).

5. An explosion-proof type pipe compensator according to claim 1, wherein: the reinforcing rods (4) are four, and the four reinforcing rods (4) are symmetrically distributed about the central point of the main body (1).