CN216489683U

CN216489683U - Buried impact-resistant cable protection pipe

Info

Publication number: CN216489683U
Application number: CN202122384355.3U
Authority: CN
Inventors: 李万祥
Original assignee: Nanjing Jiangning Xinye Machinery Plastic Co ltd
Current assignee: Nanjing Jiangning Xinye Machinery Plastic Co ltd
Priority date: 2021-09-29
Filing date: 2021-09-29
Publication date: 2022-05-10
Anticipated expiration: 2031-09-29

Abstract

The utility model discloses an underground impact-resistant cable protection pipe which comprises a pipeline outer wall and a pipeline inner wall, wherein the cross section of the pipeline inner wall is circular, the cross section of the pipeline outer wall is a regular polygon, a triangular empty groove is correspondingly arranged at the inner angle of each regular polygon, a corrugated pipe shock absorber is arranged in each empty groove and comprises a metal corrugated pipe, a built-in spring, an upper supporting plate and a lower supporting plate, the built-in spring is arranged in each metal corrugated pipe, the tops of the metal corrugated pipe and the built-in spring are fixed on the upper supporting plate, the bottoms of the metal corrugated pipe and the built-in spring are fixed on the lower supporting plate, the upper supporting plate abuts against the top of the empty groove, and the lower supporting plate abuts against the bottom of the empty groove.

Description

Buried impact-resistant cable protection pipe

Technical Field

The utility model relates to the field of cable protection pipes, in particular to a buried impact-resistant cable protection pipe.

Background

The cable protection pipe is a protection pipe having a certain mechanical strength and laid on the outer layer of the cable in order to prevent the cable from being damaged. For the cable protection pipe made of plastics or rubber, due to the performance of the material, when the cable protection pipe is transported or buried to be subjected to compression impact, the pipe wall of the cable protection pipe has the risk of breakage and damage, and water seepage easily affects the normal work of a cable.

SUMMERY OF THE UTILITY MODEL

Utility model purpose: the utility model aims to solve the technical problem of the prior art and provides a buried impact-resistant cable protection pipe.

In order to solve the technical problem, the utility model discloses a buried impact-resistant cable protection pipe which comprises a pipeline outer wall and a pipeline inner wall, wherein the cross section of the pipeline inner wall is circular, the cross section of the pipeline outer wall is a regular polygon, a triangular empty groove is correspondingly arranged at an inner angle of each regular polygon, a corrugated pipe shock absorber is arranged in each empty groove and comprises a metal corrugated pipe, a built-in spring, an upper supporting plate and a lower supporting plate, the built-in spring is arranged in the metal corrugated pipe, the tops of the metal corrugated pipe and the built-in spring are fixed on the upper supporting plate, the bottoms of the metal corrugated pipe and the built-in spring are fixed on the lower supporting plate, the upper supporting plate abuts against the top of the empty groove, and the lower supporting plate abuts against the bottom of the empty groove.

In the utility model, the metal corrugated pipe is a double-layer stainless steel corrugated pipe.

In the utility model, the length of the lower support plate is the same as that of the cable protection pipe, and all the metal corrugated pipes in one empty groove are fixed on the lower support plate at equal intervals.

In the utility model, the distance between the metal corrugated pipes is 30 cm.

In the utility model, the triangle is an isosceles triangle, and both base angles are 30 degrees.

In the utility model, the top of the upper supporting plate is matched with the vertex angle of the triangle.

In the utility model, the central axis of the corrugated pipe shock absorber and the height of the bottom edge of the triangle are in the same straight line.

In the utility model, the cross section of the outer wall of the pipeline is a regular nonagon.

Has the advantages that: according to the cable protection pipe, the corrugated pipe shock absorber arranged in the pipe wall is utilized to buffer and resist shock, so that the cable protection pipe has certain shock resistance, and the service life is prolonged.

Drawings

The foregoing and/or other advantages of the utility model will become further apparent from the following detailed description of the utility model when taken in conjunction with the accompanying drawings.

Fig. 1 is a schematic structural view of a cable protection tube;

FIG. 2 is a side view;

fig. 3 is a schematic view of a bellows damper.

Detailed Description

Example (b):

as shown in fig. 1, 2 and 3, the present embodiment provides a buried impact-resistant cable protection tube, which includes a pipeline outer wall 1, a pipeline inner wall 2, a hollow groove 3, a corrugated pipe damper 4, a metal corrugated pipe 4a, an internal spring 4b, an upper support plate 4c and a lower support plate 4 d;

specifically, the cable protection pipe includes pipeline outer wall 1 and pipeline inner wall 2, pipeline inner wall cross section is circular, pipeline outer wall cross section is regular polygon, every regular polygon's interior angle department corresponds and is equipped with a triangular shape dead slot 3, be equipped with bellows bumper shock absorber 4 in the dead slot, bellows bumper shock absorber 4 includes corrugated metal pipe 4a, built-in spring 4b, go up backup pad 4c and bottom suspension fagging 4d, built-in spring sets up in corrugated metal pipe, corrugated metal pipe and built-in spring top are fixed in the upper supporting plate, corrugated metal pipe and built-in spring bottom are fixed in the bottom suspension fagging, go up 3 tops of backup pad butt dead slot, 3 bottoms of bottom suspension fagging butt dead slot.

The cable protection tube of this embodiment is made of polyvinyl chloride.

In this embodiment, the metal corrugated pipe is a double-layer stainless steel corrugated pipe.

In this embodiment, the length of the lower support plate is the same as that of the cable protection tube, and all the metal corrugated tubes in one empty groove are fixed on the lower support plate at equal intervals.

In this embodiment, the distance between the metal corrugated pipes is 30 cm.

In this embodiment, the triangle is an isosceles triangle, and both base angles are 30 degrees.

In this embodiment, the top of the upper supporting plate is adapted to the vertex angle of the triangle.

In this embodiment, the central axis of the bellows damper is aligned with the height of the bottom side of the triangle.

In this embodiment, the pipeline outer wall cross section is regular nonagon.

This embodiment is when using, during the transportation or when burying underground use, utilizes the shock attenuation performance of bellows, and the bradyseism is anti-shocking for cable protection pipe is difficult for breaking.

The utility model provides a concept and a method of an underground impact-resistant cable protection pipe, and a method and a way for implementing the technical scheme are many, the above description is only a preferred embodiment of the utility model, and it should be noted that, for a person skilled in the art, a plurality of improvements and decorations can be made without departing from the principle of the utility model, and the improvements and decorations should also be regarded as the protection scope of the utility model. All the components not specified in the present embodiment can be realized by the prior art.

Claims

1. The utility model provides a buried impact-resistant cable protection pipe, a serial communication port, including pipeline outer wall and pipeline inner wall, pipeline inner wall cross section is circular, pipeline outer wall cross section is regular polygon, every regular polygon's interior angle department corresponds and is equipped with a triangular shape's dead slot, be equipped with the bellows bumper shock absorber in the dead slot, the bellows bumper shock absorber includes corrugated metal pipe, built-in spring, go up backup pad and bottom suspension fagging, built-in spring sets up in corrugated metal pipe, corrugated metal pipe and built-in spring top are fixed in last backup pad, corrugated metal pipe and built-in spring bottom are fixed in the bottom suspension fagging, go up backup pad butt dead slot top, bottom suspension fagging butt dead slot bottom.

2. A buried impact-resistant cable protection tube according to claim 1, wherein the metal corrugated tube is a double-layer stainless steel corrugated tube.

3. An underground impact-resistant cable protection tube according to claim 1, wherein the lower support plate is the same length as the cable protection tube, and all the metal corrugated tubes in one empty groove are fixed on the lower support plate at equal intervals.

4. A buried impact resistant cable protection tube according to claim 3, wherein the pitch of the metal corrugated tube is 30 cm.

5. The buried impact-resistant cable protection tube according to claim 1, wherein the triangle is an isosceles triangle, and both base angles are 30 degrees.

6. An underground impact-resistant cable protection tube according to claim 5, wherein the top of the upper support plate is matched with the top angle of the triangle.

7. The underground impact-resistant cable protection tube of claim 6, wherein the central axis of the corrugated pipe damper is in the same line with the height on the bottom side of the triangle.

8. A buried impact-resistant cable protection tube according to claim 1, wherein the cross section of the outer wall of the pipeline is a regular nonagon.