CN219606375U

CN219606375U - Corrugated pipe compensator

Info

Publication number: CN219606375U
Application number: CN202320401943.XU
Authority: CN
Inventors: 王宏旭; 梁旭旺; 王茂福; 赵龙; 徐剑灵; 姚松岭
Original assignee: CCCC First Highway Engineering Co Ltd
Current assignee: CCCC First Highway Engineering Co Ltd
Priority date: 2023-03-07
Filing date: 2023-03-07
Publication date: 2023-08-29
Anticipated expiration: 2033-03-07

Abstract

The utility model relates to the field of pipeline displacement compensation, in particular to a corrugated pipe compensator, which comprises a corrugated pipe and a flange, wherein the corrugated pipe is connected with two pipelines through the flange, and the corrugated pipe also comprises a protective sleeve; the protective sleeve comprises a baffle and a movable assembly, one end of the baffle is fixedly connected to a flange arranged on a pipeline, the baffle horizontally extends to the other pipeline, the other end of the baffle is fixedly connected with one end of the movable assembly, the other end of the movable assembly is fixedly connected with the other pipeline, the baffle and the movable assembly enclose a sealed protective cavity, and the protective cavity covers the corrugated pipe therein to isolate soil.

Description

Corrugated pipe compensator

Technical Field

The utility model relates to the field of pipeline displacement compensation, in particular to a corrugated pipe compensator.

Background

The bellows compensator is a compensator element, also called expansion joint, connecting two pipes. The bellows compensator compensates for axial, angular, lateral and combined displacements of the pipe due to thermal deformation, mechanical deformation and various mechanical vibrations by utilizing its specific elastic telescoping function.

However, in the related art, if the pipe is buried underground, when the pipe is displaced, the soil body presses the corrugated pipe, so that the expansion and contraction of the corrugated pipe are easily blocked, and the corrugated pipe compensator cannot achieve the effect of compensating the displacement of the pipe, and even falls off.

Disclosure of Invention

The utility model provides a corrugated pipe compensator for reducing extrusion of soil body to the corrugated pipe, ensuring that the corrugated pipe compensator compensates the displacement of the pipeline better.

The technical aim of the utility model is realized by the following technical scheme:

the corrugated pipe compensator comprises a corrugated pipe and a flange, wherein the corrugated pipe is connected with two pipelines through the flange, and the corrugated pipe compensator also comprises a protective sleeve; the protective sleeve comprises a baffle and a movable assembly, one end of the baffle is fixedly connected to a flange arranged on a pipeline, the baffle horizontally extends to another pipeline, the other end of the baffle is fixedly connected with one end of the movable assembly, the other end of the movable assembly is fixedly connected with another pipeline, the baffle and the movable assembly enclose a sealed protective cavity, and the protective cavity covers the corrugated pipe to isolate soil.

Through adopting above-mentioned scheme, the protection cavity that baffle and movable component enclose is isolated soil body and bellows, the extrusion of soil body to the bellows has significantly reduced, thereby guaranteed the normal flexible of bellows, with better make the bellows compensator compensate the axial that produces because of thermal deformation, mechanical deformation and various mechanical vibration between the pipeline, the angle is to side direction and combination displacement, further, when the axis displacement takes place between two pipelines that the bellows compensator is connected, two pipelines can produce axial displacement along being close to or deviating from each other's direction, when two pipelines produce axial displacement along being close to or keeping away from each other's direction, the bellows is extruded or is stretched, move to being close to or keeping away from each other's direction simultaneously with flange fixed connection's baffle, when the baffle moves, movable component is stretched, whole bellows compensator accomplishes the compensation to pipeline axial displacement.

Preferably, a fixing plate is vertically arranged on the outer surface of the flange; through holes are horizontally formed in the partition plate and the fixing plate, nuts matched with the through holes are arranged at the tail ends of the bolts, and when the partition plate is abutted to the flange, the bolts horizontally penetrate through the through holes.

Through adopting above-mentioned scheme, screw the nut to the bolt centre from the bolt both ends, after the nut of bolt both sides presss from both sides tight baffle and fixed plate, accomplish the fixed connection of baffle and flange promptly.

Preferably, the upper part of the partition plate is bent and horizontally extends towards the second direction of the pipeline, and the extending part is larger than the length of the corrugated pipe.

By adopting the scheme, the partition plate has enough space to cover the corrugated pipe therein.

Preferably, the movable component is made of soft elastic material.

By adopting the scheme, the movable assembly can be stretched or extruded and then reset.

Preferably, the movable component comprises a corrugated body, an arc-shaped fixed plate and a clamping block; the clamping block is fixedly connected to one end, far away from the pipeline, of the corrugated body, the arc-shaped fixing plate is fixedly connected to one end, close to the pipeline, of the corrugated body, and the arc-shaped fixing plate is fixedly connected to the pipeline, so that the fixed connection between the corrugated body and the pipeline is completed. The baffle kink is close to one side of pipeline and is provided with the draw-in groove, the draw-in groove sets up to the T font, and the draw-in groove of T font is close to the groove width of pipeline one side and is less than the groove width of keeping away from pipeline one side, and the fixture block card is gone into the draw-in groove in order to accomplish the fixed connection of ripple body and baffle.

Through adopting above-mentioned scheme, the ripple body passes through the fixture block card and inserts in the draw-in groove to accomplish the fixed of ripple body and baffle.

Preferably, the narrower slot width of the clamping slot gradually reduces along the direction away from the pipeline.

Through adopting above-mentioned scheme, when the fixture block card goes into the draw-in groove, the draw-in groove is close to the card of the card income of card block of seting up the shape of ripple body one side and has played the guide effect to the card of card block to make the card of fixture block insert the process more smooth and easy.

In summary, the utility model has the following technical effects:

the soil body is isolated from the corrugated pipe through the protective cavity formed by the partition plate and the movable assembly, so that the extrusion of the soil body to the corrugated pipe is greatly reduced, the normal expansion and contraction of the corrugated pipe are ensured, and the corrugated pipe compensator can better compensate the axial displacement, the angular displacement, the lateral displacement and the combined displacement between pipelines, which are generated by thermal deformation, mechanical deformation and various mechanical vibrations;

drawings

Fig. 1 is a configuration diagram of an external shape of a bellows compensator of the present embodiment;

FIG. 2 is a front cross-sectional view of a bellows compensator of the present embodiment;

FIG. 3 is an enlarged view at A of FIG. 2;

fig. 4 is an enlarged view at B of fig. 2.

In the figure, 1, a corrugated pipe; 2. a flange; 21. a fixing plate; 211. a through hole; 212. a bolt; 213. a nut; 3. a protective sleeve; 31. a partition plate; 311. a clamping groove; 32. a movable assembly; 321. a corrugated body; 322. a clamping block; 323. an arc-shaped fixing plate; 33. a protection cavity; 4. a first pipeline; 5. and a second pipeline.

Detailed Description

The present utility model will be described in further detail with reference to the accompanying drawings.

Referring to fig. 1 and 2, a bellows compensator comprises a bellows 1, a flange 2, and a protective sleeve 3; the corrugated pipe 1 is connected with the first pipeline 4 and the second pipeline 5 through the flange 2 so as to compensate the axial displacement of the pipeline, the corrugated pipe 1 is covered by the protective sleeve 3, soil is isolated from the corrugated pipe 1, the extrusion of the soil to the corrugated pipe 1 is greatly reduced, the normal expansion and contraction of the corrugated pipe 1 are ensured, and the corrugated pipe 1 compensator is enabled to compensate the axial displacement, the angular displacement, the lateral displacement and the combined displacement between the pipelines, which are generated due to thermal deformation, mechanical deformation and various mechanical vibrations.

Referring to fig. 2 and 3, the protective sleeve 3 includes a partition 31 and a movable assembly 32, and the partition 31 is fixedly connected to a flange 2 mounted on a first pipeline 4, specifically, a fixing plate 21 is vertically disposed on an outer surface of the flange 2; the partition plate 31 and the fixing plate 21 are horizontally provided with through holes 211, and nuts 213 matched with the bolts 212 are arranged at the tail ends of the bolts 212. When the partition 31 abuts against the flange 2, the bolts 212 horizontally pass through the through holes 211, the nuts 213 are screwed after the bolts 212 horizontally pass through the through holes 211, and after the nuts 213 are screwed to the bolts 212 and the nuts 213 to clamp the partition 31 with the fixing plate 21, the fixing connection of the partition 31 with the flange 2 is completed.

Further, the upper part of the partition plate 31 is bent and extends horizontally along the second pipeline 5, the horizontally extending part is larger than the length of the corrugated pipe 1, one end of the movable assembly 32 is fixedly connected with the horizontally extending part of the partition plate 31, and the other end of the movable assembly 32 is fixedly connected with the second pipeline 5, so that the partition plate 31 and the movable assembly 32 enclose a protection cavity 33, and the protection cavity 33 covers the corrugated pipe 1 therein to isolate soil.

Specifically, the movable component 32 includes a corrugated body 321, an arc-shaped fixed plate 323 and a clamping block 322; the fixture block 322 fixed connection is in the one end that the ripple body 321 kept away from the pipeline, and arc fixed plate 323 fixed connection is in the one end that the ripple body 321 is close to the pipeline, and arc fixed plate 323 and pipeline two 5 fixed connection.

Referring to fig. 2-4, a clamping groove 311 is formed in one side of the inner end of the partition plate 31, which faces away from the corrugated pipe 1, the clamping groove 311 is in a T shape, the groove width of one side of the clamping groove 311, which is close to the pipeline, is smaller than the groove width of one side, which is far away from the pipeline, of the clamping groove 311, a clamping block 322 is clamped into the clamping groove 311 to complete the fixed connection between the corrugated body 321 and the partition plate 31, the corrugated body 321 is clamped into the clamping groove 311 through the clamping block 322 to complete the fixation between the corrugated body 321 and the partition plate 31, and when the clamping block 322 is clamped into the clamping groove 311, the corrugated body 321 and the clamping plate are completely abutted to block soil bodies from entering the protection cavity 33, so that the influence of the soil bodies on the compensation of the compensator of the corrugated pipe 1 on the axial displacement of the pipeline is avoided. Further, the narrower groove width of the clamping groove 311 is gradually reduced along the direction away from the pipeline, so that when the clamping block 322 is clamped into the clamping groove 311, the clamping groove 311 is close to the opening shape of one side of the corrugated body 321 to play a guiding role in clamping the clamping block 322, and the clamping and inserting process of the clamping block 322 is smoother. Further, the movable component 32 is made of soft elastic materials, such as nylon, PPA, etc., so that the movable component 32 can be reset after being stretched or extruded.

When two pipelines connected with the corrugated pipe 1 compensator generate axial displacement due to thermal deformation, mechanical deformation and various mechanical vibrations, the first pipeline 4 and the second pipeline 5 generate axial displacement along the direction approaching or deviating from each other, when the two pipelines generate axial displacement along the direction approaching or deviating from each other, the corrugated pipe 1 is extruded or stretched, the partition plate 31 fixedly connected with the flange 2 moves along the direction approaching or deviating from each other at the same time, the movable corrugated body 321 is stretched when the partition plate 31 moves, the integral corrugated pipe 1 compensator completes compensation of the axial displacement of the pipelines, and when the corrugated pipe 1 compensator performs displacement compensation of the pipelines, the partition plate 31 and the movable assembly 32 enclose the protection cavity 33 to cover the corrugated pipe 1 inside, thereby isolating soil body from the corrugated pipe 1, greatly reducing the extrusion of the soil body to the corrugated pipe 1, and enabling the corrugated pipe 1 compensator to perform better compensation of the pipeline displacement.

The present embodiment is only for explanation of the present utility model and is not to be construed as limiting the present utility model, and modifications to the present embodiment, which may not creatively contribute to the present utility model as required by those skilled in the art after reading the present specification, are all protected by patent laws within the scope of claims of the present utility model.

Claims

1. The utility model provides a bellows compensator, includes bellows (1) and flange (2), the connection of two pipelines is accomplished through flange (2) to bellows (1), its characterized in that: also comprises a protective sleeve (3); the protective sleeve (3) comprises a baffle plate (31) and a movable assembly (32), one end of the baffle plate (31) is fixedly connected to a flange (2) arranged on a pipeline, the baffle plate (31) horizontally extends to the other pipeline, the other end of the baffle plate (31) is fixedly connected with one end of the movable assembly (32), the other end of the movable assembly (32) is fixedly connected with the other pipeline, the baffle plate (31) and the movable assembly (32) form a sealed protective cavity (33), and the protective cavity (33) covers the corrugated pipe (1) to isolate soil.

2. A bellows compensator according to claim 1, wherein: a fixing plate (21) is vertically arranged on the outer surface of the flange (2); through holes (211) are horizontally formed in the partition plate (31) and the fixing plate (21), nuts (213) matched with the bolts (212) are arranged at the tail ends of the bolts (212), and when the partition plate (31) is abutted to the flange (2), the bolts (212) horizontally penetrate through the through holes (211).

3. A bellows compensator according to claim 1, wherein: the upper part of the partition plate (31) is bent and horizontally extends towards the direction of the second pipeline (5), and the extending part is larger than the length of the corrugated pipe (1).

4. A bellows compensator according to claim 1, wherein: the movable component (32) is a movable component (32) made of soft elastic materials.

5. A bellows compensator according to claim 4, wherein: the movable component (32) comprises a corrugated body (321), an arc-shaped fixed plate (323) and a clamping block (322); the clamping block (322) is fixedly connected to one end, far away from the pipeline, of the corrugated body (321), the arc-shaped fixing plate (323) is fixedly connected to one end, close to the pipeline, of the corrugated body (321), and the arc-shaped fixing plate (323) is fixedly connected to the pipeline so as to achieve the fixed connection between the corrugated body (321) and the pipeline.

6. A bellows compensator according to claim 5, wherein: the inner end side that baffle (31) level extends is provided with draw-in groove (311), draw-in groove (311) set up to the T font, and the draw-in groove (311) of T font is close to the groove width of pipeline one side and is less than the groove width of keeping away from pipeline one side, and draw-in groove (311) are gone into in order to accomplish the fixed connection of ripple body (321) and baffle (31) to fixture block (322).

7. A bellows compensator according to claim 6, wherein: the narrow groove width of the clamping groove (311) gradually reduces along the direction away from the pipeline.