CN219453147U - High-strength MPP traction tube - Google Patents

Abstract

The utility model relates to the technical field of MPP traction pipes, in particular to a high-strength MPP traction pipe, which comprises a traction pipe body, wherein a protection device is arranged in the traction pipe body, the protection device comprises a first protection layer and a second protection layer, the outer wall of the first protection layer is fixedly connected with the inner wall of the traction pipe body, and the second protection layer is arranged in the first protection layer. Can set up first protective layer and second protective layer at the inner wall of traction tube body, the material of first protective layer is mica granule, and mica granule has the characteristics that hardness is strong, can improve the compressive resistance of pipeline, and the main material of second protective layer is PPS plastics, has better toughness, is provided with the wire net layer between first protective layer and second protective layer simultaneously, like this through first protective layer and second protective layer cooperation wire net layer alright improve the bulk strength of traction tube body.

Description

High-strength MPP traction tube

Technical Field

The utility model relates to the technical field of MPP traction pipes, in particular to a high-strength MPP traction pipe.

Background

The MPP traction pipe is manufactured by taking polypropylene as a base material and carrying out formula modification, is called a modified polypropylene MPP pipe, is divided into an excavation type and a non-excavation type according to a construction mode, is also called an MPP pipe jacking pipe, an MPP traction pipe or an MPP power pipe, and is divided into a common type and a reinforced type according to the common specification of the MPP power pipe, wherein the diameter of the MPP power pipe is 110-250 mm.

An MPP traction tube, such as the grant publication number CN 202228786U, includes an outer tube. The utility model provides a shutoff effect is good, resources are saved, intensity of labour is little, high and repeatedly used's of efficiency of construction traction pipe, the traction construction needs of non-excavation formula MPP protection tube have been satisfied, but the MPP traction pipe among the above-mentioned, only used the outer tube of individual layer to be the MPP traction pipe, and not set up other structural layers in the inside of MPP traction pipe, compressive strength of pipeline is not big enough like this, because the pipeline body is the cylinder and the surface is comparatively smooth in the handling, easily make the pipeline roll and collide with external article in handling and installation, especially easily receive the influence of external force when pipeline loading transport, lead to the pipeline to warp the damage easily, influence the life of pipeline, design a high strength MPP traction pipe is very necessary in view of this.

Disclosure of Invention

The utility model aims to solve the problems that in the MPP traction tube in the above-mentioned comparison patent, only a single-layer outer tube is used as the MPP traction tube, and other structural layers are not arranged, so that the pipe is easy to deform and damage due to the influence of external force, and the service life of the pipe is influenced.

In order to achieve the above purpose, the present utility model provides the following technical solutions:

the utility model provides a design a high strength MPP traction tube, includes the traction tube body, the internally mounted of traction tube body has protection device, protection device includes first protective layer and second protective layer, the outer wall of first protective layer and the inner wall looks rigid coupling of traction tube body, the inside of first protective layer is equipped with the second protective layer.

Preferably, a steel wire mesh layer is fixedly connected between the second protective layer and the first protective layer.

Preferably, the internally mounted of second protective layer has connecting device, connecting device includes first strengthening rib, connecting strip and second strengthening rib, and is a plurality of the outer wall of first strengthening rib and the inner wall looks rigid coupling of second protective layer, the inner wall rigid coupling of first strengthening rib has the connecting strip, the inboard rigid coupling of connecting strip has the second strengthening rib.

Preferably, the inner wall of the second reinforcing rib is fixedly connected with a high temperature resistant layer.

Preferably, a cavity is formed between the high temperature resistant layer and the second protective layer.

The high-strength MPP traction pipe provided by the utility model has the beneficial effects that: can set up first protective layer and second protective layer at the inner wall of traction tube body, the material of first protective layer is mica granule, mica granule has the characteristics that hardness is strong, can improve the compressive resistance of pipeline, the main material of second protective layer is PPS plastics, have better toughness, be provided with the wire net layer between first protective layer and second protective layer simultaneously, can improve the bulk strength of traction tube body through first protective layer and second protective layer cooperation wire net layer like this, afterwards set up high temperature resistant layer in the inside of second protective layer, be connected through a plurality of first strengthening ribs, second strengthening rib and connecting strip between high temperature resistant layer and second protective layer, so can support between high temperature resistant layer and the second protective layer, thereby further improve holistic intensity, just so can avoid the traction tube body to collide because roll and external article in the at utmost, or receive the influence of external force to lead to deformation damage, and then just improved the life of traction tube body.

Drawings

FIG. 1 is a schematic diagram of the structure of the present utility model;

FIG. 2 is a top view of FIG. 1;

FIG. 3 is a schematic view of the structure of the traction tube body, the steel wire mesh layer and the high temperature resistant layer in FIG. 2;

FIG. 4 is a schematic view of the structure of the first protective layer, the second protective layer and the steel wire mesh layer in FIG. 2;

fig. 5 is a schematic view of the structure of the connection bar, the first reinforcing rib and the second reinforcing rib in fig. 2.

In the figure: 1. traction tube body 2, wire net layer, 3, protection device, 301, first protective layer, 302, second protective layer, 4, connecting device, 401, first strengthening rib, 402, connecting strip, 403, second strengthening rib, 5, high temperature resistant layer, 6, cavity, 7, anticorrosive paint layer.

The specific embodiment is as follows:

the utility model is further described below with reference to the accompanying drawings:

example 1:

referring to fig. 1-4, in this embodiment, a high-strength MPP traction tube includes a traction tube body 1, the traction tube body 1 is made of polypropylene as a main material, a protection device 3 is installed in the traction tube body 1, the protection device 3 includes a first protection layer 301 and a second protection layer 302, an outer wall of the first protection layer 301 is fixedly connected with an inner wall of the traction tube body 1, a material of the first protection layer 301 is mica particles, the mica particles have a characteristic of strong hardness, the pressure resistance of a pipeline can be improved, a second protection layer 302 is arranged in the first protection layer 301, the main material of the second protection layer 302 is PPS plastic, the toughness is good, and a steel wire mesh layer 2 is fixedly connected between the second protection layer 302 and the first protection layer 301;

can set up first protective layer 301 and second protective layer 302 at the inner wall of traction tube body 1, the material of first protective layer 301 is mica granule, and mica granule has the characteristics that hardness is strong, can improve the compressive resistance of pipeline, and the main material of second protective layer 302 is PPS plastics, has better toughness, is provided with wire net layer 2 between first protective layer 301 and second protective layer 302 simultaneously, like this through first protective layer 301 and second protective layer 302 cooperation wire net layer 2 alright improve the bulk strength of traction tube body 1.

Referring to fig. 1, 2, 3 and 5, a connecting device 4 is installed in the second protective layer 302, the connecting device 4 comprises a first reinforcing rib 401, a connecting strip 402 and a second reinforcing rib 403, the outer walls of a plurality of the first reinforcing ribs 401 are fixedly connected with the inner walls of the second protective layer 302, the connecting strip 402 is fixedly connected with the inner walls of the first reinforcing ribs 401, the second reinforcing ribs 403 are fixedly connected with the inner sides of the connecting strip 402, and the first reinforcing ribs 401, the connecting strip 402 and the second reinforcing ribs 403 can support the high temperature resistant layer 5 and the second protective layer 302, so that the overall strength is further improved, the inner walls of the second reinforcing ribs 403 are fixedly connected with the high temperature resistant layer 5, the main material of the high temperature resistant layer 5 is acrylonitrile-butadiene-styrene, and the high temperature resistant layer 5 and the second protective layer 302 have good heat resistance and corrosion resistance, and a cavity 6 is formed between the high temperature resistant layer 5 and the second protective layer 302;

the high temperature resistant layer 5 is arranged in the second protective layer 302, the high temperature resistant layer 5 and the second protective layer 302 are connected through the first reinforcing ribs 401, the second reinforcing ribs 402 and the connecting strips 403, and therefore the high temperature resistant layer 5 and the second protective layer 302 can be supported, overall strength is further improved, the traction tube body 1 can be prevented from being deformed and damaged due to the fact that the traction tube body rolls to collide with external objects or is influenced by external force to the greatest extent, and the service life of the traction tube body 1 is prolonged.

In this embodiment, when the operator needs to use the high-strength MPP traction tube, first the operator can set up first protective layer 301 and second protective layer 302 at the inner wall of traction tube body 1, the material of first protective layer 301 is mica granule, mica granule has the characteristics that hardness is strong, can improve the compressive resistance of pipeline, the main material of second protective layer 302 is PPS plastics, have better toughness, be provided with wire net layer 2 between first protective layer 301 and second protective layer 302 simultaneously, so through first protective layer 301 and second protective layer 302 cooperation wire net layer 2 alright improve the bulk strength of traction tube body 1, afterwards set up high temperature resistant layer 5 in the inside of second protective layer 302, be connected through a plurality of first strengthening ribs 401, second strengthening rib 402 and connecting strip 403 between high temperature resistant layer 5 and second protective layer 302, so alright support between high temperature resistant layer 5 and second protective layer 302, thereby further improve holistic intensity, just so can avoid traction tube body 1 to roll and external article to collide with or receive the influence of the impact deformation of body, and further improve the life of traction tube 1.

Example 2:

referring to fig. 1-5, in this embodiment, the present utility model provides a technical solution: the high-strength MPP traction pipe comprises a traction pipe body 1, wherein an anti-corrosion coating layer 7 is coated on the outer wall of the traction pipe body, the anti-corrosion coating layer 7 is of a common style in the market and can be selected according to the requirements of users;

the corrosion resistance of the outer wall of the traction tube body 1 can be improved by the corrosion-resistant coating 7, so that the service life of the traction tube body is prolonged.

In this embodiment, when the operator needs to use the high-intensity MPP traction tube, the corrosion resistance of the outer wall of the traction tube body 1 can be improved through the anti-corrosion coating layer 7, so that the service life of the traction tube body is prolonged.

While the utility model has been shown and described with reference to a preferred embodiment, it will be understood by those of ordinary skill in the art that various changes in form and details may be made therein without departing from the scope of the utility model.

Claims (5)

1. High strength MPP traction tube, including traction tube body (1), its characterized in that: the inner mounting of traction tube body (1) has protection device (3), protection device (3) are including first protective layer (301) and second protective layer (302), the outer wall of first protective layer (301) is fixedly connected with the inner wall of traction tube body (1), the inside of first protective layer (301) is equipped with second protective layer (302).

2. A high intensity MPP traction tube according to claim 1, wherein: a steel wire mesh layer (2) is fixedly connected between the second protective layer (302) and the first protective layer (301).

3. A high intensity MPP traction tube according to claim 1, wherein: the internally mounted of second protective layer (302) has connecting device (4), connecting device (4) are including first strengthening rib (401), connecting strip (402) and second strengthening rib (403), a plurality of the outer wall of first strengthening rib (401) and the inner wall looks rigid coupling of second protective layer (302), the inner wall rigid coupling of first strengthening rib (401) has connecting strip (402), the inboard rigid coupling of connecting strip (402) has second strengthening rib (403).

4. A high intensity MPP traction tube according to claim 3, wherein: the inner wall of the second reinforcing rib (403) is fixedly connected with a high temperature resistant layer (5).

5. A high intensity MPP traction tube according to claim 4, wherein: a cavity (6) is formed between the high temperature resistant layer (5) and the second protective layer (302).