CN210693411U

CN210693411U - Anti-freezing type MPP pipe with high tensile pulling-resistant structure

Info

Publication number: CN210693411U
Application number: CN201922285967.XU
Authority: CN
Inventors: 贾丰; 陈吉林; 陈志松
Original assignee: Zhejiang Wanji Communication Equipment Co ltd
Current assignee: Zhejiang Wanji Communication Equipment Co ltd
Priority date: 2019-12-18
Filing date: 2019-12-18
Publication date: 2020-06-05
Anticipated expiration: 2029-12-18

Abstract

The utility model discloses a type MPP pipe prevents frostbite with structure is dragged to high tensile, including wear-resistant rubber layer, adhesive linkage and electrostatic layer, wear-resistant rubber layer's inside is provided with the support shell, and the inside of support shell is provided with the adhesive linkage, the inside of adhesive linkage is provided with the fibrous layer, and the inside of fibrous layer is provided with the electrostatic layer, the inside of electrostatic layer is provided with the heat insulating layer, and the inside on heat insulating layer is provided with the inner liner. This prevent frostbite type MPP pipe with structure is dragged to high tensile compares with current ordinary MPP pipe, has improved the performance of whole device greatly when increasing the structure, and MPP pipe after the improvement not only has more wear-resisting protective capacities, relies on structural material's increase to make the pipeline have the tensile ability of dragging simultaneously to indirect improvement the life of whole tubular product, effectively satisfied people's user demand.

Description

Anti-freezing type MPP pipe with high tensile pulling-resistant structure

Technical Field

The utility model relates to a MPP manages technical field, specifically is a type of preventing frostbite MPP pipe with structure is dragged to high tensile.

Background

The MPP pipe is also called MPP power cable protection pipe, and is divided into excavation type and non-excavation type, the MPP non-excavation pipe is called MPP pipe jacking or dragging pipe, the MPP pipe adopts modified polypropylene as main raw material, has the characteristics of high temperature resistance and external pressure resistance, is suitable for high-voltage transmission line cable calandria pipe material above 10KV, the MPP adopts modified polypropylene as main raw material, is not necessary to dig a large amount of mud, dig soil and destroy the road surface, the construction projects such as pipeline and cable are laid in special sections such as roads, railways, buildings, riverbeds and the like, compared with the traditional 'grooving and burying method', the non-excavation power pipe project is more suitable for the current environmental protection requirement, and the civil disturbance factors such as dust flying, traffic jam and the like caused by the traditional construction are removed, the technology can also lay pipeline in some areas which can not implement excavation operation, such as ancient mark protection area, downtown area, crop and farmland protection area, Highways, rivers, etc.

The inside and outside structure of current MPP pipeline material is all comparatively simple, and practicality in the use is obviously not enough to the wear resistance of its pipeline is comprehensive inadequately, can't bear higher power of dragging simultaneously, thereby indirect influence the life of MPP tubular product, the user demand of satisfying people that can not be fine, to above-mentioned condition, carry out technical innovation on current MPP pipe basis.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a prevent frostbite type MPP pipe with structure is dragged to height tensile to it is all comparatively simple to provide general MPP pipeline material inside and outside structure in the above-mentioned background art to solve, and the practicality in the use is obviously not enough, and the wear resistance of its pipeline is comprehensive inadequately, can't bear higher power of dragging simultaneously, thereby indirect influence the life of MPP tubular product, the not fine user demand problem of satisfying people.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides an anti-freezing type MPP pipe with structure is dragged to high tensile, includes wear-resistant rubber layer, adhesive linkage and static layer, wear-resistant rubber layer's inside is provided with the support shell, and the inside of supporting the shell is provided with the adhesive linkage, the inside of adhesive linkage is provided with the fibrous layer, and the inside of fibrous layer is provided with the static layer, the inside of static layer is provided with the heat insulating layer, and the inside on heat insulating layer is provided with the inner liner.

Preferably, the inner surface of the wear-resistant rubber layer is tightly attached to the outer surface of the support shell, and the ratio of the thickness of the wear-resistant rubber layer to the thickness of the support shell is 1: 2.

Preferably, the bonding layer uniformly covers the inner surface of the support shell, and the support shell is connected with the fiber layer through the bonding layer.

Preferably, the ratio of the thickness of the fiber layer to the thickness of the electrostatic layer is 2:1, and the fiber layer is provided as a mesh structure.

Preferably, the heat insulation layer uniformly covers the outer surface of the inner liner layer, and the electrostatic layer and the heat insulation layer are tightly attached.

Preferably, the central axis of the wear-resistant rubber layer coincides with the central axis of the inner liner, and the thickness of the inner liner is the same as that of the support shell.

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

1. the utility model forms the main external supporting structure of the MPP pipe by the arrangement of the wear-resistant rubber layer and the supporting shell, can greatly prolong the service life of the pipe by relying on the wear-resistant rubber layer, ensures that the pipe can bear more abrasion in the use process, and keeps the bearing capacity of the pipe by the supporting shell, thereby avoiding the local bending of the pipe;

2. the utility model discloses a setting up of adhesive linkage, fibrous layer and electrostatic layer, rely on the adhesive linkage to make the fibrous layer hug closely in the internal surface of support shell, and the fibrous layer can improve the anti-pulling ability of whole pipeline, reduce the tubular product and appear the rupture condition in the use, and keep the stability of internal direction signal of telecommunication transmission through the electrostatic layer;

3. the utility model discloses a setting of heat insulation layer and inner liner relies on the heat transfer that the heat insulation layer can reduce tubular product when using, also can reduce outside high temperature to the inside influence of tubular product when reducing heat transfer, and the inner liner can support static layer and heat insulation layer respectively, avoids alternating the wearing and tearing of circuit to the heat insulation in situ surface.

Drawings

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

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

fig. 3 is a front view of the semi-section structure of the utility model.

In the figure: 1. a wear-resistant rubber layer; 2. a support housing; 3. an adhesive layer; 4. a fibrous layer; 5. an electrostatic layer; 6. a thermal insulation layer; 7. an inner liner.

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. 1-3, the present invention provides a technical solution: an anti-freezing type MPP pipe with a high anti-pulling structure comprises a wear-resistant rubber layer 1, an adhesive layer 3 and an electrostatic layer 5, wherein a supporting shell 2 is arranged inside the wear-resistant rubber layer 1, the adhesive layer 3 is arranged inside the supporting shell 2, the inner surface of the wear-resistant rubber layer 1 is tightly attached to the outer surface of the supporting shell 2, the ratio of the thickness of the wear-resistant rubber layer 1 to the thickness of the supporting shell 2 is 1:2, the adhesive layer 3 uniformly covers the inner surface of the supporting shell 2, the supporting shell 2 is connected with a fiber layer 4 through the adhesive layer 3, a main body external supporting structure of the MPP pipe is formed through the arrangement of the wear-resistant rubber layer 1 and the supporting shell 2, the service life of the pipe can be greatly prolonged by virtue of the wear-resistant rubber layer 1, the pipe can be guaranteed to bear more abrasion in the use process, and the self bearing capacity of the pipe can be maintained, the situation that the pipe is partially bent is avoided;

the fiber layer 4 is arranged inside the bonding layer 3, the electrostatic layer 5 is arranged inside the fiber layer 4, the ratio of the thickness of the fiber layer 4 to the thickness of the electrostatic layer 5 is 2:1, the fiber layer 4 is a net-shaped structure, the fiber layer 4 can be tightly attached to the inner surface of the supporting shell 2 by the bonding layer 3 through the arrangement of the bonding layer 3, the fiber layer 4 and the electrostatic layer 5, the fiber layer 4 can improve the anti-pulling capacity of the whole pipeline, the breakage of the pipe in the using process is reduced, and the stability of internal guide electric signal transmission is kept through the electrostatic layer 5;

the inside of static layer 5 is provided with heat insulating layer 6, and the inside of heat insulating layer 6 is provided with inner liner 7, heat insulating layer 6 evenly covers in inner liner 7's external surface, and closely laminate between static layer 5 and the heat insulating layer 6, coincide mutually between the axis of wear-resistant rubber layer 1 and the axis of inner liner 7, and the thickness of inner liner 7 is the same with the thickness of support shell 2, setting through heat insulating layer 6 and inner liner 7, rely on heat insulating layer 6 can reduce the heat transfer of tubular product when using, also can reduce outside high temperature to the inside influence of tubular product when reducing heat transfer, and inner liner 7 can support static layer 5 and heat insulating layer 6 respectively, avoid the wearing and tearing of circuit to 6 internal surface in heat insulating layer that alternate.

The working principle is as follows: when the anti-freezing MPP pipe with the high anti-pulling structure is used, firstly, the main body external supporting structure of the MPP pipe is formed through the arrangement of the wear-resistant rubber layer 1 and the supporting shell 2, the service life of the pipe can be greatly prolonged by means of the wear-resistant rubber layer 1, the pipe can be guaranteed to bear more abrasion in the use process, the self bearing capacity of the pipe is kept through the supporting shell 2, the pipe is prevented from being locally bent, the fiber layer 4 can be tightly attached to the inner surface of the supporting shell 2 by means of the bonding layer 3, the anti-pulling capacity of the whole pipe can be improved by means of the fiber layer 4, the breakage of the pipe in the use process is reduced, the stable degree of transmission of an internal guide electric signal is kept through the electrostatic layer 5, the heat transfer of the pipe in use can be reduced by means of the heat insulation layer 6, the influence of external high temperature on the inside of the pipe can be reduced while, and the inner liner layer 7 can support the electrostatic layer 5 and the heat insulation layer 6 respectively, so that the abrasion of the interpenetration line on the inner surface of the heat insulation layer 6 is avoided.

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. The utility model provides a prevent frostproofing type MPP pipe with structure is dragged to height, includes wear-resisting rubber layer (1), adhesive linkage (3) and static layer (5), its characterized in that: the inside of wear-resisting rubber layer (1) is provided with support shell (2), and the inside of supporting shell (2) is provided with adhesive linkage (3), the inside of adhesive linkage (3) is provided with fibrous layer (4), and the inside of fibrous layer (4) is provided with electrostatic layer (5), the inside of electrostatic layer (5) is provided with heat-insulating layer (6), and the inside of heat-insulating layer (6) is provided with inner liner (7).

2. The anti-freezing MPP pipe with the high anti-pulling structure comprises the following components in parts by weight: the inner surface of the wear-resistant rubber layer (1) is tightly attached to the outer surface of the support shell (2), and the ratio of the thickness of the wear-resistant rubber layer (1) to the thickness of the support shell (2) is 1: 2.

3. The anti-freezing MPP pipe with the high anti-pulling structure comprises the following components in parts by weight: the bonding layer (3) is uniformly covered on the inner surface of the supporting shell (2), and the supporting shell (2) is connected with the fiber layer (4) through the bonding layer (3).

4. The anti-freezing MPP pipe with the high anti-pulling structure comprises the following components in parts by weight: the ratio of the thickness of the fiber layer (4) to the thickness of the electrostatic layer (5) is 2:1, and the fiber layer (4) is set to be a net-shaped structure.

5. The anti-freezing MPP pipe with the high anti-pulling structure comprises the following components in parts by weight: the heat insulation layer (6) is uniformly covered on the outer surface of the inner liner layer (7), and the static layer (5) is tightly attached to the heat insulation layer (6).

6. The anti-freezing MPP pipe with the high anti-pulling structure comprises the following components in parts by weight: the central axis of the wear-resistant rubber layer (1) coincides with the central axis of the inner liner (7), and the thickness of the inner liner (7) is the same as that of the support shell (2).