CN211392663U - Fire-retardant wire rope core conveyer belt is used in pit in colliery - Google Patents

Abstract

The utility model discloses a colliery is fire-retardant wire rope core conveyer belt for in pit, including upper and lower overburden, the lower extreme of upper and lower overburden has set gradually: the buffer layer is made of rubber products; the flame-retardant layer contains various flame retardants inside; a plurality of steel wire ropes are distributed in the core rubber layer and are fixedly arranged in the core rubber layer; the wear-resistant layer is made of a wear-resistant material. The utility model discloses be provided with fire-retardant layer, there are more coal dust granule in the air in the colliery well, the removal in-process in colliery takes place the conflagration easily, and the fire-retardant layer of making by fire-retardant material can effectively prevent fires, effectively reduces the probability that the fire incident takes place, still is provided with the buffer layer, when the colliery drops the conveyer belt from the transfer port on, can cause great impact to the conveyer belt, and the buffer layer can play certain cushioning effect this moment, prolongs the life of conveyer belt.

Description

Fire-retardant wire rope core conveyer belt is used in pit in colliery

Technical Field

The utility model relates to a colliery field especially relates to a colliery is fire-retardant wire rope core conveyer belt in pit.

Background

The steel cord conveyer belt uses the conveyer belt that steel cord liner cover rubber was made as the belt conveyor's that pulls and delivery component, steel cord conveyer belt characteristics: the product is composed of core glue, steel wire rope, covering layer and edge glue.

There are more coal dust particles in the air in the colliery well, the removal in-process in colliery takes place the conflagration easily, has very big potential safety hazard, consequently, the instrument that uses in the pit in the colliery all need have certain fire behavior, and most traditional wire rope core conveyer belt all comprises upper and lower overburden, core glue and wire rope, simple structure, and fire behaviour is relatively poor, and is dangerous great.

Therefore, the flame-retardant steel wire rope core conveying belt for the underground coal mine is provided for solving the problems.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the problem that the fire resistance of the steel wire rope core conveyer belt is relatively poor in the prior art, and providing a coal mine underground fire-retardant steel wire rope core conveyer belt capable of effectively preventing fire.

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

the utility model provides a colliery is fire-retardant wire rope core conveyer belt for pit, includes upper and lower overburden, the lower extreme of upper and lower overburden has set gradually:

a cushion layer made of a rubber product;

the flame-retardant layer contains a plurality of flame retardants inside;

a plurality of steel wire ropes are distributed in the core rubber layer, and are fixedly arranged in the core rubber layer;

the wear-resistant layer is made of a wear-resistant material.

Preferably, the upper cover layer, the buffer layer, the flame-retardant layer, the core glue layer, the lower cover layer and the wear-resistant layer are fixedly adhered to each other and are all arranged in a bent mode, the upper cover layer is the inner face of the conveying belt, and the wear-resistant layer is the outer face of the conveying belt.

Preferably, the bottom of the upper cover layer is provided with a thickening layer, and the upper cover layer is provided with anti-skid protrusions.

Preferably, the side surface of the conveying belt consisting of the upper covering layer, the buffer layer, the flame-retardant layer, the core glue layer, the lower covering layer and the wear-resistant layer is fixedly adhered with the edge covering layer.

Preferably, a vertically arranged net surface connecting layer is fixedly adhered inside the conveying belt consisting of the upper covering layer, the buffer layer, the flame-retardant layer, the core adhesive layer, the lower covering layer and the wear-resistant layer, and the net surface connecting layer penetrates through the upper covering layer, the buffer layer, the flame-retardant layer, the core adhesive layer, the lower covering layer and the wear-resistant layer.

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

1. through setting up the buffer layer, when the colliery drops the conveyer belt from the transfer port on, can cause great impact to the conveyer belt, the buffer layer can play certain cushioning effect this moment, protects the conveyer belt, prolongs the life of conveyer belt.

2. Through setting up fire-retardant layer, there are more coal dust granule in the air in the colliery well, the conflagration takes place easily at the removal in-process in colliery, and the fire-retardant layer of making by fire-retardant material can effectively prevent fires, effectively reduces the probability that the fire incident takes place.

3. Through setting up the wearing layer, the conveyer belt is through bottom and runner friction and conveying colliery, and long-term ground friction can lead to the fact wearing and tearing to the conveyer belt, sets up the wearing layer ability reinforcing conveyer belt's in the bottom wearability, further prolongs the life of conveyer belt.

4. Through setting up the wire side articulamentum, the wire side articulamentum runs through upper cladding layer, buffer layer, fire-retardant layer, core glue film, lower cladding layer and wearing layer setting, can strengthen the longitudinal joint of conveyer belt, prevents that a plurality of structural layers of conveyer belt from taking place loosely because of connecting insecurely, the wholeness of reinforcing conveyer belt.

Drawings

Fig. 1 is a schematic structural view of a fire-retardant steel wire rope core conveyor belt for underground coal mine provided by the utility model;

fig. 2 is an enlarged schematic view of a portion a in fig. 1.

In the figure: 1 upper covering layer, 2 buffer layer, 3 flame retardant layer, 4 core glue layer, 5 wire rope, 6 lower covering layer, 7 wear layer, 8 bordure layer, 9 wire side connecting layer.

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.

Referring to fig. 1-2, the flame-retardant steel wire rope core conveyor belt for the underground coal mine comprises an upper covering layer 1 and a lower covering layer 6, wherein the lower end of the upper covering layer 1 is sequentially provided with:

the buffer layer 2 is made of rubber products, so that part of impact force can be buffered in the process that a coal mine falls from a conveying port to a conveying belt, and the conveying belt is protected;

the flame-retardant layer 3 contains a plurality of flame retardants inside the flame-retardant layer 3, wherein the flame retardants comprise antimony trioxide and inorganic composite flame retardants;

the core rubber layer 4, a plurality of steel wire ropes 5 are distributed in the core rubber layer 4, the steel wire ropes 5 are 18X7+ FC in structure, the diameter is 18mm, the nominal tensile strength is 1770MPa, the steel wire ropes 5 distributed in the conveying belt can increase the toughness of the conveying belt, the service life is greatly prolonged, the steel wire ropes 5 are fixedly arranged in the core rubber layer 4, the steel wire ropes 5 at the middle positions in the conveying belt are arranged into two layers, the arrangement of the steel wire ropes 5 towards two sides is more sparse, and the middle position of the conveying belt is more stressed in the conveying process of a coal mine;

the lower covering layer 6, the upper covering layer 1 and the lower covering layer are both mainly made of natural rubber and butadiene rubber;

the wear-resistant layer 7, wear-resistant layer 7 are made by the wear-resistant material, and the wear-resistant material is cast tungsten carbide granule composite wear-resistant material.

In the utility model, the upper covering layer 1, the buffer layer 2, the flame retardant layer 3, the core rubber layer 4, the lower covering layer 6 and the wear-resistant layer 7 are mutually fixed and adhered and are all arranged in a bending way, the coal mine can be prevented from rolling off from the conveyer belt in the transportation process, the upper covering layer 1 is the inner face of the conveyer belt, the wear-resistant layer 7 is the outer face of the conveyer belt, it is worth mentioning that the bottom of the upper covering layer 1 is provided with a thickening layer, because in the transportation process of the coal mine, the middle position of the conveyer belt is greatly stressed, the thickening layer can effectively relieve the abrasion of the coal mine to the middle position of the conveyer belt, the upper covering layer 1 is provided with anti-skid protrusions for preventing the coal mine from rolling off from the conveyer belt in the transportation process, the side face of the conveyer belt consisting of the upper covering layer 1, the buffer layer 2, the flame retardant layer 3, the core rubber layer 4, the lower covering layer 6, it should be noted that the inside fixed adhesion of conveyer belt that comprises upper cover layer 1, buffer layer 2, fire-retardant layer 3, core glue layer 4, lower cover layer 6 and wearing layer 7 has the wire side connecting layer 9 of vertical setting, and wire side connecting layer 9 runs through upper cover layer 1, buffer layer 2, fire-retardant layer 3, core glue layer 4, lower cover layer 6 and wearing layer 7 and sets up, prevents that a plurality of structural layers of conveyer belt from taking place loosely because of connecting insecurely, strengthens the wholeness of conveyer belt.

The utility model discloses its functional principle is explained to following mode of operation of accessible: when the colliery drops to the conveyer belt from the transfer port on, can cause great impact to the conveyer belt, buffer layer 2 can play certain cushioning effect this moment, protect the conveyer belt, fire-retardant layer 3 made by fire-retardant material can be effectively prevented fires in the transportation in colliery, because the conveyer belt is through bottom and runner friction and conveying colliery, long-term ground friction can cause wearing and tearing to the conveyer belt, the wearing layer 7 that sets up in the bottom can strengthen the wearability of conveyer belt, run through and cover layer 1, buffer layer 2, fire-retardant layer 3, core glue film 4, the longitudinal connection of conveyer belt can be strengthened to the wire side articulamentum 9 that lower overburden 6 and wearing layer 7 set up, a plurality of structural layers that prevent the conveyer belt take place loosely because of connecting insecurity, strengthen the wholeness of conveyer belt.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims (5)

1. The utility model provides a colliery is fire-retardant wire rope core conveyer belt for pit, includes upper and lower overburden (1) and overburden (6), its characterized in that, the lower extreme of upper and lower overburden (1) has set gradually:

the buffer layer (2), the said buffer layer (2) is made of rubber products;

the flame-retardant layer (3), the flame-retardant layer (3) contains a plurality of flame retardants inside;

the steel wire rope composite material comprises a core rubber layer (4), wherein a plurality of steel wire ropes (5) are distributed in the core rubber layer (4), and the steel wire ropes (5) are fixedly arranged in the core rubber layer (4);

the wear-resistant layer (7), wear-resistant layer (7) is made by the wear-resistant material.

2. The conveyor belt of claim 1, wherein the upper covering layer (1), the buffer layer (2), the flame retardant layer (3), the core adhesive layer (4), the lower covering layer (6) and the wear layer (7) are fixedly adhered to each other and are all arranged in a bent manner, the upper covering layer (1) is the inner surface of the conveyor belt, and the wear layer (7) is the outer surface of the conveyor belt.

3. The conveyor belt is characterized in that a thickening layer is arranged at the bottom of the upper covering layer (1), and anti-skid protrusions are arranged on the upper covering layer (1).

4. The conveyor belt with the flame-retardant steel wire rope core for the underground coal mine according to claim 1, is characterized in that a binding layer (8) is fixedly adhered to the side surface of the conveyor belt consisting of the upper covering layer (1), the buffer layer (2), the flame-retardant layer (3), the core adhesive layer (4), the lower covering layer (6) and the wear-resistant layer (7).

5. The conveyor belt with the flame-retardant steel wire rope core for the underground coal mine according to claim 1, is characterized in that a vertically arranged net surface connecting layer (9) is fixedly adhered to the inside of the conveyor belt consisting of the upper covering layer (1), the buffer layer (2), the flame-retardant layer (3), the core rubber layer (4), the lower covering layer (6) and the wear-resistant layer (7), and the net surface connecting layer (9) penetrates through the upper covering layer (1), the buffer layer (2), the flame-retardant layer (3), the core rubber layer (4), the lower covering layer (6) and the wear-resistant layer (7).

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