CN220036723U - Socket-type multilayer composite escape pipeline - Google Patents

Abstract

The utility model relates to the technical field of escape pipelines, and discloses a socket-type multilayer composite escape pipeline, which comprises a plurality of pipe bodies connected end to end, wherein the pipe bodies are connected end to end through bending assemblies; the bending component comprises a bearing part of one part of the pipe body and a guiding part of the other part of the pipe body, and the guiding part is matched with the bearing part; the pipe body sequentially comprises an inner wall body layer, a hollow reinforcing layer and an outer covering layer from inside to outside, wherein the hollow reinforcing layer is a bearing component for improving bearing. The hollow reinforcing layer comprises a wave-shaped winding pipe and a protective layer sleeved on the wave-shaped winding pipe, and the protective layer is wrapped on the outer wall of the wave-shaped winding pipe; the wave winding pipe is adhered to the outer wall of the inner wall body layer. The wave winding pipe is a pipe body structure spirally wound on the inner wall body layer, and the protective layer is a structure made of high-density polyethylene. The utility model has the advantages of greatly improving the shock resistance, increasing the strength and the load weight and promoting the convenience of installation and disassembly.

Description

Socket-type multilayer composite escape pipeline

Technical Field

The utility model relates to the technical field of escape pipelines, in particular to a socket-type multi-layer composite escape pipeline.

Background

Because the tunnel is in a complex geological condition and has more sudden geological disasters, various safety accidents are easy to occur in the tunnel construction process, and the casualties are higher than those of other geotechnical engineering. Once a tunnel accident occurs, rescue is difficult, life safety of constructors is greatly threatened, engineering benefits are reduced to a great extent, and engineering progress is influenced.

The tunnel excavation at the soft surrounding rock section is pointed out in the technical standards of highway engineering construction safety and the standard guidelines of highway water transport engineering construction safety, an escape channel is required to be arranged, at present, a steel pipe with the inner diameter not smaller than 800mm or a high molecular weight polyethylene solid wall pipe is used as an escape channel in mountain area tunnel construction in China, the pipe pipes are connected in a sleeve welding mode, a flange connection mode, a chain connection mode or a hoop connection mode and the like, the weight of the lightest escape pipeline unit section is over 200kg due to the fact that the existing escape pipeline is heavy, the steel pipe unit section is even over 1.2 tons and is mainly lifted by a manual conveying or digging machine, in the tunnel construction process, the escape pipeline is required to be removed one by one along with the non-breaking digging of a tunnel face, and the escape pipeline is required to be laid one by one, and the problems of low efficiency of laying, connection, disassembly, movement and the like of the escape pipeline are solved by taking the factors such as the weight, the caliber and the tunnel construction environment are complex.

Disclosure of Invention

The utility model provides a socket-type multilayer composite escape pipeline which has the beneficial effects of greatly improving shock resistance, increasing strength and load weight and promoting convenience in installation and disassembly, and solves the problems of low efficiency of various links such as laying, connection, disassembly and movement of the existing escape pipelines in the prior art.

The utility model provides the following technical scheme: the socket-type multilayer composite escape pipeline comprises a plurality of pipe bodies connected end to end, wherein two ends of each pipe body are respectively provided with a bearing part and a guide part, and the guide parts are matched with the bearing parts;

the pipe body sequentially comprises an inner wall body layer, a hollow reinforcing layer for bearing and an outer covering layer for protection from inside to outside.

As an alternative to the utility model: the guide part is provided with a first notch and a bending part;

the first notch is formed in the guide portion, and the bent portion is provided with an inserting face inclined by 45 degrees.

As an alternative to the utility model: and a circular wing edge is formed between the first notch and the bending part.

As an alternative to the utility model: the hollow reinforcing layer comprises a wave-shaped winding pipe and a protective layer sleeved on the wave-shaped winding pipe, and the protective layer is wrapped on the outer wall of the wave-shaped winding pipe;

the wave winding pipe is adhered to the outer wall of the inner wall body layer.

As an alternative to the utility model: the wave winding pipe is arranged into a pipe body structure which is spirally wound on the inner wall body layer.

As an alternative to the utility model: the wave-shaped winding pipe is a corrugated pipe body made of polypropylene.

As an alternative to the utility model: the pipe body is provided with threads, and the crest surface of the threads is provided with reinforcing ribs.

As an alternative to the utility model: the reinforcing ribs are arranged to be flat protruding structures.

The utility model has the following beneficial effects:

1. this socket joint formula multilayer composite escape pipeline, the body through a plurality of end to end connects is pegged graft through buckling assembly, can realize connecting fast through guiding part and adapting portion, through adding the cavity enhancement layer that is used for increasing the bearing capacity in the body, can promote the bearing capacity that improves whole pipeline, improves the body and flees intensity and toughness of in-process.

2. This socket joint formula multilayer composite escape pipeline, through first notch and kink and the grafting of accepting the portion of seting up at the guide portion after, because of first notch sets up to the cell body, form the air in the cell body, can not form the state of vacuum, be difficult to lead to guide portion and accepting the in-process of inserting to form the condition of holding, and set up to 45 oblique inserts of slope through the kink, play the effect of direction, more conveniently lead to the butt joint, promote convenient dismantlement and installation.

3. According to the socket-type multilayer composite escape pipeline, the strength of the whole pipeline body is supported mostly through the hollow reinforcing layer, namely, the outer wall of the whole circular wave-shaped winding pipe is covered with a layer of high polymer polyethylene protective layer, so that the strength is increased, the wave-shaped winding pipe is protected, and the probability of being damaged by external force is reduced;

the strengthening rib that screw thread crest position set up on the body, the strengthening rib is provided with a little arch, encircles the body outer wall round, increases the impact strength of body, reduces the circumstances that leads to the body outer wall to damage easily because of external force collides with.

Drawings

Fig. 1 is a schematic perspective view of the structure of the present utility model.

Fig. 2 is a schematic view of a first view of a cross-section of the structure of the present utility model.

Fig. 3 is an enlarged schematic view of the structure a in fig. 2 according to the present utility model.

Fig. 4 is an enlarged schematic view of the structure B of fig. 2 according to the present utility model.

Fig. 5 is a schematic diagram of a second view of the structure of the present utility model in cross-section.

Fig. 6 is a schematic cross-sectional view of the wave winding tube of the present utility model.

In the figure: 1. a tube body; 2. a bending assembly; 3. a receiving part; 4. a guide part; 5. an inner wall body layer; 6. a hollow reinforcing layer; 7. an outer cover; 8. a first notch; 9. a bending part; 10. a wave-shaped winding tube; 101. the corrugation is concave; 11. a protective layer; 12. a thread; 13. reinforcing ribs.

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. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.

Example 1

The utility model provides the following technical scheme: referring to fig. 1-5, the socket-type multilayer composite escape pipeline comprises a plurality of pipe bodies 1 connected end to end, wherein the pipe bodies 1 are connected end to end through bending assemblies 2;

the bending component 2 comprises a bearing part 3 at one end of the pipe body 1 and a guiding part 4 at the other end of the pipe body 1, and the guiding part 4 is matched with the bearing part 3;

the pipe body 1 sequentially comprises an inner wall body layer 5, a hollow reinforcing layer 6 and an outer covering layer 7 from inside to outside, wherein the hollow reinforcing layer 6 is used for improving bearing.

The rule of this body 1 is internal diameter 800mm, and wall thickness structural height is not less than 70mm, and unit festival overall length is 1000mm, 2000mm, 3000mm and 6000mm for increasing, from interior to exterior including inner wall body layer 5, cavity enhancement layer 6 and outer cover layer 7 structure all forms through the positive reverse winding is compound in proper order.

In this embodiment, peg graft through bending component 2 through body 1 of a plurality of end to end connection, can realize connecting fast through guiding part 4 and adapting unit 3, can promote the bearing capacity that improves whole pipeline through adding the cavity enhancement layer 6 that is used for increasing the bearing capacity in body 1, improve body 1 intensity and toughness in escaping the in-process.

Example 2

In the process of socket connection of the head and the tail of the escape pipeline, the socket part is easy to form a vacuum state, so that when the escape pipeline is disassembled, the situation that the socket part of the pipe body 1 is sucked is found, and the disassembly is difficult.

The present embodiment is intended to facilitate solving the problem that the end-to-end socket of the pipe body 1 is easily in a vacuum state, resulting in the situation that the pipe body is sucked and inconvenient to detach during plugging, and concretely, please refer to fig. 1-5, wherein: the guide part 4 is provided with a first notch 8 and a bending part 9;

the first notch 8 is formed in the guide part 4, and the bending part 9 is provided with an inserting surface inclined by 45 degrees.

Wherein: an annular wing edge is formed between the first notch 8 and the bending part 9.

In this embodiment, when grafting at the portion 3 is accepted in the inserted block of first notch 8 and kink 9 of seting up at guiding portion 4, because of first notch 8 sets up to the cell body, form the air in the cell body, can not form the state of vacuum, be difficult to lead to guiding portion 4 and portion 3 grafting in-process to form the condition of holding, and set up to 45 oblique inserted block of slope through kink 9, play the effect of direction, more conveniently carry out the direction butt joint, promote convenient dismantlement and installation.

And the annular wing edges formed between the first notch 8 and the bending part 9 also play a role in inserting and fixing.

Example 3

This embodiment is a modified description based on embodiment 1, and specifically, please refer to fig. 1-5, wherein: the hollow reinforcing layer 6 comprises a wave-shaped winding pipe 10 and a protective layer 11 sleeved on the wave-shaped winding pipe 10, and the protective layer 11 is wrapped on the outer wall of the wave-shaped winding pipe 10;

the wave winding tube 10 is adhered to the outer wall of the inner wall body layer 5.

Wherein: the wave winding pipe 10 is a pipe body structure spirally wound on the inner wall body layer 5, and the protective layer 11 is a pipe body structure made of high-density polyethylene.

Wherein: the wave winding pipe 10 is a corrugated pipe body made of polypropylene.

The high-density polyethylene protective layer 11 and the polypropylene wave-shaped winding pipe 10 are adopted for solid wall wrapping and combination, so that the hollow reinforcing layer 6 is formed by spirally winding the high-density polyethylene protective layer on the inner wall body layer 5.

In this embodiment, the strength of the entire pipe body 1 is supported by the hollow reinforcing layer 6 for the most part. The corrugated winding pipe 10 and the protective layer 11, namely, the outer wall of the whole circular corrugated winding pipe 10 is covered with a layer of protective layer 11 of high polymer polyethylene, so that the strength is increased, the corrugated winding pipe 10 is protected, and the probability of being damaged by external force is reduced.

The surface of the wave winding tube 10 is formed with a plurality of wave recesses 101, and a protrusion is formed between two adjacent wave recesses for improving the radial bearing capacity of the wave winding tube 10.

Example 4

This embodiment is a modified description based on embodiment 1, and specifically, please refer to fig. 1-5, wherein: the pipe body 1 is provided with threads 12, and the peak surface of the threads 12 is provided with reinforcing ribs 13.

Wherein: the reinforcing rib 13 is arranged into a flat protruding structure, and lines are arranged on the reinforcing rib 13.

In this embodiment, the strengthening rib 13 that screw thread 12 crest position set up on body 1, strengthening rib 13 are provided with a little arch, encircle body 1 outer wall round, increase body 1's impact strength, reduce the condition that leads to body 1 outer wall to damage easily because of external force collides with.

It is noted that relational terms such as first and second, and the like are used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Moreover, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.

The foregoing is merely a preferred embodiment of the present utility model, and it should be noted that it will be apparent to those skilled in the art that several modifications and variations can be made without departing from the technical principle of the present utility model, and these modifications and variations should also be regarded as the scope of the utility model.

Claims (8)

1. The utility model provides a socket joint formula multilayer complex pipeline of fleing, includes body (1) of a plurality of end to end, its characterized in that: two ends of the pipe body (1) are respectively provided with a bearing part (3) and a guide part (4), and the guide part (4) is matched with the bearing part (3);

the pipe body (1) sequentially comprises an inner wall body layer (5), a hollow reinforcing layer (6) for bearing weight and an outer covering layer (7) for protection from inside to outside;

the guide part (4) is provided with a first notch (8);

the hollow reinforcing layer (6) comprises a wave-shaped winding pipe (10);

threads (12) are arranged on the pipe body (1).

2. The socket multi-layer composite escape pipe according to claim 1, wherein: the guide part (4) is provided with a bending part (9);

the bending part (9) is provided with an inserting surface inclined by 45 degrees.

3. A socket multi-layer composite escape pipe according to claim 2, wherein: a circular wing edge is formed between the first notch (8) and the bending part (9).

4. A socket multi-layer composite escape pipe according to claim 3, wherein: the device comprises a protective layer (11) sleeved on a wave-shaped winding pipe (10), wherein the protective layer (11) is wrapped on the outer wall of the wave-shaped winding pipe (10);

the wave-shaped winding pipe (10) is adhered to the outer wall of the inner wall body layer (5).

5. The socket multi-layer composite escape pipe according to claim 4, wherein: the wave-shaped winding pipe (10) is of a pipe body structure which is spirally wound on the inner wall body layer (5).

6. The socket multi-layer composite escape pipe according to claim 5, wherein: the wave-shaped winding pipe (10) is a corrugated pipe body made of polypropylene.

7. The socket multi-layer composite escape pipe according to claim 1, wherein: reinforcing ribs (13) are arranged on the peak surface of the thread (12).

8. The socket multi-layer composite escape pipe according to claim 7, wherein: the reinforcing ribs (13) are arranged to be flat convex structures.