CN218940580U

CN218940580U - Impact-resistant modified CPVC power cable tube

Info

Publication number: CN218940580U
Application number: CN202223461333.3U
Authority: CN
Inventors: 张建芳
Original assignee: Shandong Baishitong Pipe Co ltd
Current assignee: Shandong Baishitong Pipe Co ltd
Priority date: 2022-12-24
Filing date: 2022-12-24
Publication date: 2023-04-28
Anticipated expiration: 2032-12-24

Abstract

The utility model discloses an impact-resistant modified CPVC power cable tube, which relates to the technical field of power cable tubes and comprises a main body, wherein the front end of the main body is provided with a tube body, one side of the tube body is provided with a sealing ring, the inner side of the tube body is provided with an impact-resistant modified material layer, the outer side of the impact-resistant modified material layer is provided with a fireproof material layer, and the other side of the tube body is provided with a tube tail. The polyethylene resin layer is arranged on the outer side of the pipe body, and when the pipe is used, impact-resistant materials such as the nitrile rubber layer, the heat stabilizer layer, the calcium carbonate composite powder layer and the like on the outer side can effectively protect the cable pipe, cannot be fragile and fragile, can resist extrusion impact under the condition of improving the hardness of the pipe, and is arranged on the outer side of the calcium carbonate composite powder layer through the inner pipe layer.

Description

Impact-resistant modified CPVC power cable tube

Technical Field

The utility model relates to the technical field of power cable pipes, in particular to an impact-resistant modified CPVC power cable pipe.

Background

The power cable pipe has the outstanding characteristics of high strength, small friction resistance, 40% higher than the strength of a common pipe, the bending load of the pipe body is more than or equal to 12000N, the external pressure load is more than or equal to 15000N, the power cable pipe can be used for road pavement of various grades, the friction resistance between the inner wall and the cable is small, and the power cable pipe has the outstanding advantage that the friction coefficient is less than 0.35 and is obviously lower than that of other cable pipes such as glass fiber reinforced plastic, PVC and the like. The number of working wells is reduced when the power cable tube is connected, the engineering cost is reduced, and the traction length of the cable is increased.

The following problems exist in the prior art:

1. the existing impact-resistant modified CPVC power cable tube is easy to damage and age in use, the cable tube cannot be effectively protected, and damage to the cable tube can be caused by interference of external environment;

2. the prior impact-resistant modified CPVC power cable pipe has poor fire-resistant effect in use and has certain danger in use.

Disclosure of Invention

In order to solve the technical problems, the utility model adopts the following technical scheme:

the utility model provides an impact modified CPVC power cable tubular product, includes the main part, the front end of main part is provided with the body, the sealing washer is installed to one side of body, the inboard of body is provided with impact modified material layer, the outside on impact modified material layer is provided with refractory material layer, the opposite side of body is provided with the pipe afterbody, impact modified material layer includes the polyethylene resin layer, the inside surface on polyethylene resin layer and the outside fixed surface of body are connected, the outside on polyethylene resin layer is provided with the nitrile rubber layer, the outside on nitrile rubber layer is provided with the heat stabilizer layer, the outside on heat stabilizer layer is provided with the compound powder layer of calcium carbonate, the refractory material layer includes the inner tube layer, the outside surface on inner tube layer and the outside fixed surface on the compound powder layer of calcium carbonate are connected, the outside on inner tube layer is provided with the polypropylene structural layer, the outside on polypropylene structural layer is provided with the styrene-butadiene rubber layer, the outside on styrene-butadiene rubber layer is provided with the wearing layer, the outside on wearing layer is provided with the fire-resistant insulating layer.

The technical scheme of the utility model is further improved as follows: the outer side surface of the polyethylene resin layer is fixedly connected with the inner side surface of the nitrile rubber layer.

The technical scheme of the utility model is further improved as follows: the outer side surface of the heat stabilizer layer is fixedly connected with the inner side surface of the calcium carbonate composite powder layer.

The technical scheme of the utility model is further improved as follows: the outer side surface of the polypropylene structure layer is fixedly connected with the inner side surface of the styrene-butadiene rubber layer.

The technical scheme of the utility model is further improved as follows: the outer side surface of the wear-resistant layer is fixedly connected with the inner side surface of the fireproof insulating layer.

The technical scheme of the utility model is further improved as follows: one side surface of the pipe body is fixedly connected with the inner surface of the sealing ring, and the outer side surface of the impact-resistant modified material layer is fixedly connected with the inner side surface of the fireproof material layer.

By adopting the technical scheme, compared with the prior art, the utility model has the following technical progress:

1. the utility model provides an impact-resistant modified CPVC power cable pipe, which can avoid the phenomena of damage and aging of a cable under the combined action of a polyethylene resin layer, a nitrile rubber layer, a heat stabilizer layer, a calcium carbonate composite powder layer, can effectively protect the cable pipe from damage caused by interference of external environment, and can effectively protect the cable pipe by impact-resistant materials such as the nitrile rubber layer, the heat stabilizer layer, the calcium carbonate composite powder layer and the like on the outer side when the impact-resistant modified CPVC power cable pipe is used, so that the cable pipe cannot be fragile and can resist extrusion collision under the condition of improving the hardness of the pipe.

2. The utility model provides an impact-resistant modified CPVC power cable tube, which can improve the fire-resistant effect of the cable tube under the combined action of an inner tube layer, a polypropylene structure layer, a styrene-butadiene rubber layer, an anti-wear layer and a fire-resistant insulating layer, and can avoid dangers during use.

Drawings

FIG. 1 is a schematic structural view of an impact modified CPVC power cable tube of the present utility model;

FIG. 2 is a schematic view of an impact-modified material layer according to the present utility model;

FIG. 3 is a schematic view of the refractory layer structure of the present utility model.

In the figure: 1. a main body; 2. a tube body; 3. a seal ring; 4. an impact modified material layer; 5. a refractory material layer; 6. a tube tail; 41. a polyethylene resin layer; 42. a nitrile rubber layer; 43. a heat stabilizer layer; 44. a calcium carbonate composite powder layer; 51. an inner tube layer; 52. a polypropylene structural layer; 53. a styrene-butadiene rubber layer; 54. an abrasion-proof layer; 55. and a refractory insulating layer.

Detailed Description

The utility model is further illustrated by the following examples:

example 1

As shown in fig. 1-3, the utility model provides an impact modified CPVC power cable pipe, comprising a main body 1, wherein the front end of the main body 1 is provided with a pipe body 2, one side of the pipe body 2 is provided with a sealing ring 3, the inner side of the pipe body 2 is provided with an impact modified material layer 4, the outer side of the impact modified material layer 4 is provided with a refractory material layer 5, the other side of the pipe body 2 is provided with a pipe tail 6, one side surface of the pipe body 2 is fixedly connected with the inner surface of the sealing ring 3, and the outer side surface of the impact modified material layer 4 is fixedly connected with the inner side surface of the refractory material layer 5.

Example 2

As shown in fig. 1-3, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the impact-resistant modified material layer 4 comprises a polyethylene resin layer 41, wherein the inner side surface of the polyethylene resin layer 41 is fixedly connected with the outer side surface of the pipe body 2, a nitrile rubber layer 42 is arranged on the outer side of the polyethylene resin layer 41, a heat stabilizer layer 43 is arranged on the outer side of the nitrile rubber layer 42, a calcium carbonate composite powder layer 44 is arranged on the outer side of the heat stabilizer layer 43, the outer side surface of the polyethylene resin layer 41 is fixedly connected with the inner side surface of the nitrile rubber layer 42, and the outer side surface of the heat stabilizer layer 43 is fixedly connected with the inner side surface of the calcium carbonate composite powder layer 44.

In this embodiment, the phenomenon of damage and ageing of the cable can be avoided, the cable pipe can be effectively protected, the condition that the cable pipe is damaged due to interference of external environment can not be caused, the polyethylene resin layer 41 is arranged on the outer side of the pipe body 2, when the cable pipe can be effectively protected by impact-resistant materials such as the nitrile rubber layer 42, the heat stabilizer layer 43 and the calcium carbonate composite powder layer 44 on the outer side, the cable pipe can not be fragile and fragile, and extrusion collision can be resisted under the condition that the hardness of the pipe can be improved.

Example 3

As shown in fig. 1-3, on the basis of embodiment 1, the present utility model provides a technical solution: preferably, the refractory material layer 5 comprises an inner tube layer 51, the inner side surface of the inner tube layer 51 is fixedly connected with the outer side surface of the calcium carbonate composite powder layer 44, a polypropylene structure layer 52 is arranged on the outer side of the inner tube layer 51, a styrene-butadiene rubber layer 53 is arranged on the outer side of the polypropylene structure layer 52, an anti-abrasion layer 54 is arranged on the outer side of the styrene-butadiene rubber layer 53, a refractory insulating layer 55 is arranged on the outer side of the anti-abrasion layer 54, the outer side surface of the polypropylene structure layer 52 is fixedly connected with the inner side surface of the styrene-butadiene rubber layer 53, and the outer side surface of the anti-abrasion layer 54 is fixedly connected with the inner side surface of the refractory insulating layer 55.

In this embodiment, can improve the fire-resistant effect of cable tubular product, can avoid appearing the danger when using, set up in the outside of calcium carbonate composite powder layer 44 through inner tube layer 51, when using, the polypropylene structural layer 52 in the outside, styrene-butadiene rubber layer 53, wearing layer 54, fire-resistant insulating layer 55 etc. have fire-resistant material for the stability of tubular product improves, can play fine insulating effect, has higher heat resistance, and wearing layer 54's antifriction effect is stronger, and the result of use is better.

The working principle of the impact-modified CPVC power cable tube is specifically described below.

As shown in fig. 1-3, when the impact-modified CPVC power cable pipe is used, the phenomenon of damage and aging of the cable can be avoided through the impact-modified material layer 4, the cable pipe can be effectively protected, the damage to the cable pipe caused by the interference of the external environment can not occur, the polyethylene resin layer 41 is arranged on the outer side of the pipe body 2, when the impact-modified CPVC power cable pipe is used, impact-resistant materials such as the nitrile rubber layer 42, the heat stabilizer layer 43 and the calcium carbonate composite powder layer 44 on the outer side can effectively protect the cable pipe, the cable pipe cannot be fragile and fragile, extrusion collision can be resisted under the condition of improving the hardness of the pipe, the fire-resistant effect of the cable pipe can be improved through the fire-resistant material layer 5, the danger can be avoided when the impact-modified CPVC power cable pipe is used, and the polypropylene structural layer 52, the styrene-butadiene rubber layer 53, the wear-resistant layer 54 and the fire-resistant insulating layer 55 on the outer side have fire-resistant materials when the impact-modified CPVC power cable pipe is used, the stability of the cable pipe can be improved, the fire-resistant effect is better, and the friction-resistant effect of the fire-resistant layer 54 is better.

The foregoing utility model has been generally described in great detail, but it will be apparent to those skilled in the art that modifications and improvements can be made thereto. Accordingly, it is intended to cover modifications or improvements within the spirit of the inventive concepts.

Claims

1. The utility model provides an impact modified CPVC power cable pipe, includes main part (1), the front end of main part (1) is provided with body (2), its characterized in that: a sealing ring (3) is arranged on one side of the pipe body (2), an impact-resistant modified material layer (4) is arranged on the inner side of the pipe body (2), a fireproof material layer (5) is arranged on the outer side of the impact-resistant modified material layer (4), and a pipe tail (6) is arranged on the other side of the pipe body (2);

the anti-impact modified material layer (4) comprises a polyethylene resin layer (41), wherein the inner side surface of the polyethylene resin layer (41) is fixedly connected with the outer side surface of the pipe body (2), a nitrile rubber layer (42) is arranged on the outer side of the polyethylene resin layer (41), a heat stabilizer layer (43) is arranged on the outer side of the nitrile rubber layer (42), and a calcium carbonate composite powder layer (44) is arranged on the outer side of the heat stabilizer layer (43);

the fire-resistant material layer (5) comprises an inner pipe layer (51), the inner side surface of the inner pipe layer (51) is fixedly connected with the outer side surface of the calcium carbonate composite powder layer (44), a polypropylene structure layer (52) is arranged on the outer side of the inner pipe layer (51), a styrene-butadiene rubber layer (53) is arranged on the outer side of the polypropylene structure layer (52), an anti-abrasion layer (54) is arranged on the outer side of the styrene-butadiene rubber layer (53), and a fire-resistant insulating layer (55) is arranged on the outer side of the anti-abrasion layer (54).

2. An impact modified CPVC power cable tubing as claimed in claim 1, wherein: the outer side surface of the polyethylene resin layer (41) is fixedly connected with the inner side surface of the nitrile rubber layer (42).

3. An impact modified CPVC power cable tubing as claimed in claim 2, wherein: the outer side surface of the heat stabilizer layer (43) is fixedly connected with the inner side surface of the calcium carbonate composite powder layer (44).

4. An impact modified CPVC power cable tubing as claimed in claim 1, wherein: the outer side surface of the polypropylene structure layer (52) is fixedly connected with the inner side surface of the styrene-butadiene rubber layer (53).

5. An impact modified CPVC power cable tubing according to claim 4 wherein: the outer side surface of the wear-resistant layer (54) is fixedly connected with the inner side surface of the fireproof insulating layer (55).

6. An impact modified CPVC power cable tubing as claimed in claim 1, wherein: one side surface of the pipe body (2) is fixedly connected with the inner surface of the sealing ring (3), and the outer side surface of the impact-resistant modified material layer (4) is fixedly connected with the inner side surface of the fireproof material layer (5).