CN220118884U - Polypropylene pipe for underground coal mine - Google Patents

Abstract

The utility model relates to the technical field of underground pipes for coal mines and discloses a polypropylene pipe for underground coal mines. Including the polypropylene pipe, a plurality of bar notches have been seted up to the inner wall of polypropylene pipe, the polypropylene pipe is located the inner wall fixedly connected with connecting seat of bar notch, fixedly connected with elasticity push rod on the lateral wall of connecting seat, the one end fixedly connected with slider that elasticity push rod deviates from the connecting seat, the slider slides and sets up the inside at the bar notch, fixedly connected with connection intubate on the lateral wall of slider. After the breakage openings of the polypropylene pipe and the maintenance pipe body are aligned, the elastic push rod can push the connecting cannula to move along the inner wall of the polypropylene pipe, so that the polypropylene pipe extends to the inner parts of the pipelines at the two sides, stable connection between the pipe bodies can be ensured, and the maintenance cost is reduced.

Description

Polypropylene pipe for underground coal mine

Technical Field

The utility model relates to the technical field of underground pipes for coal mines, in particular to a polypropylene pipe for underground coal mines.

Background

Tubing for use downhole in a coal mine refers to tubing material for use in a conveying and drainage system downhole in a coal mine. Because the underground environment of the coal mine is severe, the pipeline material must have the characteristics of corrosion resistance, abrasion resistance, high pressure resistance, low temperature resistance, static resistance and the like so as to ensure the safety and the production efficiency of the underground coal mine.

Through retrieval, chinese patent publication No. CN202927291U discloses a polypropylene pipe for underground coal mines, wherein the pipe wall of the polypropylene pipe is of a multi-layer co-extrusion composite structure, the pipe wall is a seamless polypropylene pipe body, and the thickness of the pipe body is 15-100mm. The polypropylene pipe has high tensile strength, good toughness, resistance to various organic solvents and good high temperature resistance;

in the above patent, because the colliery is comparatively abominable in the environment, even tubular product has good intensity, still can have broken risk after long-time use, and in order to guarantee the compactness of connecting between the pipeline after the pipeline is broken, need demolish the change with whole section body, improved cost of maintenance, the while pipeline is changed and is not in the appropriate impact strength that increases in broken position after the pipeline is changed. Therefore, the utility model designs a polypropylene pipe for underground coal mines.

Disclosure of Invention

The utility model aims to solve the problems that in the prior art, in order to ensure the connection tightness between pipelines after the pipelines are broken, the whole pipe body needs to be removed and replaced, the maintenance cost is increased, and the impact strength is not properly increased at the damaged position after the pipeline is replaced.

In order to achieve the above purpose, the present utility model adopts the following technical scheme:

the utility model provides a colliery is polypropylene pipe for pit, includes the polypropylene pipe, a plurality of bar notch have been seted up to the inner wall of polypropylene pipe, the polypropylene pipe is located the inner wall fixedly connected with connecting seat of bar notch, fixedly connected with elasticity push rod on the lateral wall of connecting seat, the one end fixedly connected with slider that elasticity push rod deviates from the connecting seat, the slider slides and sets up the inside at the bar notch, fixedly connected with connection intubate on the lateral wall of slider, the pipe wall slip setting of connection intubate is at the inner wall of polypropylene pipe.

Preferably, the pipe wall of the connecting cannula is fixedly sleeved with a sealing ring, and the side wall of the sealing ring is attached to the inner wall of the polypropylene pipe.

Preferably, the end part of the polypropylene pipe is fixedly connected with a rubber ring, and the pipe wall of the connecting cannula is attached to the inner wall of the rubber ring.

Preferably, a plurality of elastic buffer plates are arranged on the outer side of the polypropylene tube in a surrounding mode, and the elastic buffer plates are arranged in an arc shape.

Preferably, the end of the elastic buffer plate is provided with a clamping port, the polypropylene pipe is positioned on the pipe wall of the clamping port and fixedly connected with a fixing seat, the upper surface of the fixing seat is fixedly connected with a baffle rod, and the inner wall of the elastic buffer plate positioned on the clamping port is tightly pressed on the rod wall of the baffle rod.

Preferably, the top end rod wall of the baffle rod is fixedly connected with a fixed baffle, the upper surface of the fixed baffle is provided with an arc surface, the inner wall of the elastic buffer plate, which is positioned at the clamping interface, is provided with an anti-slip pad, and the anti-slip pad is attached to the rod wall of the baffle rod.

Compared with the prior art, the utility model provides a polypropylene pipe for underground coal mines, which has the following beneficial effects:

1. this colliery is polypropylene pipe in pit, through the polypropylene pipe with maintain the split of body and align the back, the elasticity push rod can promote the inner wall removal of connecting the intubate along the polypropylene pipe, makes the polypropylene pipe extend to the inside of both sides pipeline, can guarantee stable connection between the body, has reduced cost of maintenance.

2. This colliery is polypropylene tube for pit can improve the shock resistance in the polypropylene tube outside through the elasticity buffer board, and the inner wall chucking that is located the joint with the elasticity buffer board sets up on the pole wall of shelves pole, can install the elasticity buffer board in the outside of polypropylene tube, can prevent to skid through the slipmat.

Drawings

FIG. 1 is a schematic diagram of a polypropylene pipe for underground coal mine;

FIG. 2 is an enlarged schematic view of the portion A of FIG. 1;

fig. 3 is an enlarged schematic view of the structure of the part B in fig. 1.

In the figure: the anti-slip device comprises a polypropylene pipe 1, a strip-shaped notch 2, a connecting seat 3, an elastic push rod 4, a sliding block 5, a connecting insertion pipe 6, a sealing ring 7, a rubber ring 8, an elastic buffer plate 9, a clamping interface 10, a fixing seat 11, a gear rod 12, a fixing baffle 13 and an anti-slip pad 14.

Detailed Description

The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments.

Example 1

Referring to fig. 1-2, a colliery is polypropylene pipe for pit, including polypropylene pipe 1, a plurality of bar notch 2 have been seted up to the inner wall of polypropylene pipe 1, polypropylene pipe 1 is located bar notch 2's inner wall fixedly connected with connecting seat 3, fixedly connected with elasticity push rod 4 on connecting seat 3's the lateral wall, the one end fixedly connected with slider 5 that elasticity push rod 4 deviates from connecting seat 3, slider 5 slides and sets up the inside at bar notch 2, fixedly connected with connection intubate 6 on slider 5's the lateral wall, connection intubate 6's pipe wall slides and sets up the inner wall at polypropylene pipe 1, the fixed cover is equipped with sealing ring 7 on connection intubate 6's the pipe wall, sealing ring 7's lateral wall laminating sets up the inner wall at polypropylene pipe 1, polypropylene pipe 1's tip fixedly connected with rubber circle 8, connection intubate 6's pipe wall laminating sets up the inner wall at rubber circle 8.

When the utility model is used, press the connection intubate 6 and make the inside of connecting intubate 6 shrink to polypropylene pipe 1 and press the compression of elasticity push rod 4, can place polypropylene pipe 1 in the interval department of broken pipeline, after the broken breach alignment of polypropylene pipe 1 and maintenance body, elasticity push rod 4 can promote the inner wall of connecting intubate 6 along polypropylene pipe 1 and remove, make polypropylene pipe 1 extend to the inside of both sides pipeline, can guarantee stable connection between the body, cost of maintenance has been reduced, can guarantee the stable system of connecting intubate 6 removal through the inner wall slip of slider 5 along the bar notch, sealing ring 7 and rubber circle 8 can guarantee the compactness of being connected between the body.

Example two

Referring to fig. 1-3, a plurality of elastic buffer plates 9 are arranged on the outer side of the polypropylene pipe 1 in a surrounding mode, the elastic buffer plates 9 are arranged in an arc shape, a clamping port 10 is formed in the end portion of each elastic buffer plate 9, the polypropylene pipe 1 is located on the pipe wall of the clamping port 10 and fixedly connected with a fixing seat 11, a baffle rod 12 is fixedly connected to the upper surface of the fixing seat 11, the elastic buffer plates 9 are located on the inner wall of the clamping port 10 and tightly pressed on the rod wall of the baffle rod 12, a fixed baffle 13 is fixedly connected to the top end rod wall of the baffle rod 12, the upper surface of the fixed baffle 13 is arranged in an arc surface, an anti-slip pad 14 is arranged on the inner wall of the clamping port 10, and the anti-slip pad 14 is arranged on the rod wall of the baffle rod 12 in a bonding mode.

The shock resistance of the outer side of the polypropylene pipe 1 can be improved through the elastic buffer plate 9, the elastic buffer plate 9 is arranged on the rod wall of the stop rod 12 in a clamping manner by being clamped on the inner wall of the clamping port 10, the elastic buffer plate 9 can be arranged on the outer side of the polypropylene pipe 1, and slipping can be prevented through the anti-slip pad 14.

The foregoing is only a preferred embodiment of the present utility model, but the scope of the present utility model is not limited thereto, and any person skilled in the art, who is within the scope of the present utility model, should make equivalent substitutions or modifications according to the technical scheme of the present utility model and the inventive concept thereof, and should be covered by the scope of the present utility model.

Claims (6)

1. The utility model provides a colliery is polypropylene pipe in pit, includes polypropylene pipe (1), its characterized in that: the inner wall of polypropylene pipe (1) has seted up a plurality of bar notch (2), inner wall fixedly connected with connecting seat (3) that polypropylene pipe (1) is located bar notch (2), fixedly connected with elasticity push rod (4) on the lateral wall of connecting seat (3), the one end fixedly connected with slider (5) that elasticity push rod (4) deviate from connecting seat (3), slider (5) sliding arrangement is in the inside of bar notch (2), fixedly connected with connection intubate (6) on the lateral wall of slider (5), the pipe wall sliding arrangement of connection intubate (6) is at the inner wall of polypropylene pipe (1).

2. A polypropylene pipe for use in a coal mine well as claimed in claim 1, wherein: the pipe wall of the connecting cannula (6) is fixedly sleeved with a sealing ring (7), and the side wall of the sealing ring (7) is attached to the inner wall of the polypropylene pipe (1).

3. A polypropylene pipe for use in a coal mine well as claimed in claim 1, wherein: the end part of the polypropylene pipe (1) is fixedly connected with a rubber ring (8), and the pipe wall of the connecting cannula (6) is attached to the inner wall of the rubber ring (8).

4. A polypropylene pipe for use in a coal mine well as claimed in claim 1, wherein: the outside of polypropylene pipe (1) is encircled and is equipped with a plurality of elasticity buffer board (9), elasticity buffer board (9) set up to the arc.

5. A polypropylene pipe for use in a coal mine well as defined in claim 4, wherein: the end of the elastic buffer plate (9) is provided with a clamping port (10), the pipe wall of the polypropylene pipe (1) positioned at the clamping port (10) is fixedly connected with a fixing seat (11), the upper surface of the fixing seat (11) is fixedly connected with a baffle rod (12), and the inner wall of the elastic buffer plate (9) positioned at the clamping port (10) is tightly pressed on the rod wall of the baffle rod (12).

6. A polypropylene pipe for use in a coal mine well as defined in claim 5, wherein: the top end rod wall fixedly connected with fixed baffle (13) of shelves pole (12), the upper surface of fixed baffle (13) sets up to the cambered surface, the inner wall that elasticity buffer board (9) are located joint mouth (10) is equipped with slipmat (14), slipmat (14) laminating sets up on the rod wall of shelves pole (12).