CN219658425U

CN219658425U - Anti-extrusion mining cable

Info

Publication number: CN219658425U
Application number: CN202320707095.5U
Authority: CN
Inventors: 虞姚沈; 胡云峰
Original assignee: Liaoning Kester Cable Group Co ltd
Current assignee: Liaoning Kester Cable Group Co ltd
Priority date: 2023-04-03
Filing date: 2023-04-03
Publication date: 2023-09-08
Anticipated expiration: 2033-04-03

Abstract

The utility model discloses an anti-extrusion mining cable, which comprises: the cable wire cores are arranged in a plurality of mode; the number of the wire core sheath layers is equal to that of the cable wire cores, and the wire core sheath layers are respectively sleeved on the outer sides of the cable wire cores; the inner sheath layer is sleeved on the outer sides of the plurality of wire core sheath layers; the outer sheath layer is arranged on the outer side of the inner sheath layer; the number of the protection plates is 2, and the protection plates are distributed on the side surface of the outer sheath layer in a mutually symmetrical mode; the elastic guide device provides protection for the cable core, soft protection is implemented on the cable core through the arranged core sheath layer, the inner sheath layer, the outer sheath layer and the adhesive tape, hard protection is implemented on the cable core through the arranged protection plate, trampling of underground workers during working is prevented, and damage to the cable core caused by broken stones falling down in a well is avoided.

Description

Anti-extrusion mining cable

Technical Field

The utility model relates to the technical field of mining cables, in particular to an anti-extrusion mining cable.

Background

In the related art, the cable for the coal mine has the advantages of complex use environment, severe working conditions, frequent movement, short service life and very dangerous gas accumulation area, so the cable has high safety requirement.

In the process of implementing the embodiments of the present disclosure, it is found that at least the following problems exist in the related art:

underground mining environment is bad, a large amount of illumination is needed, a large amount of mechanical equipment under the mine is needed to supply power, and the cable is greatly needed; workers with dim underground light often step on the cable by mistake, and broken stones often fall down in the well, so that the cable protection layer is often damaged.

Disclosure of Invention

The utility model aims to provide an anti-extrusion mining cable, which aims to solve the problems in the background technology.

In order to achieve the above purpose, the present utility model provides the following technical solutions: an extrusion resistant mining cable comprising: the cable wire cores are arranged in a plurality of mode; the number of the wire core sheath layers is equal to that of the cable wire cores, and the wire core sheath layers are respectively sleeved on the outer sides of the cable wire cores; the inner sheath layer is sleeved on the outer sides of the plurality of wire core sheath layers; the outer sheath layer is arranged on the outer side of the inner sheath layer; the number of the protection plates is 2, and the protection plates are distributed on the side surface of the outer sheath layer in a mutually symmetrical mode; and the elastic guide device is arranged between the adjacent end faces of the 2 protection plates.

Preferably, a plurality of protection raised strips are arranged on the outer side of the inner sheath layer.

Preferably, an adhesive tape is arranged between the inner sheath layer and the outer sheath layer, and the adhesive tape is spirally sleeved on the outer side of the inner sheath layer.

Preferably, a metal braiding layer is arranged on the inner side of the inner sheath layer, and a filling layer is arranged between the metal braiding layer and the wire core sheath layer.

Preferably, a buffer groove is formed in the end face, adjacent to the outer sheath layer, of the protection plate.

Preferably, the elastic guiding device comprises guiding rods, helical springs and connecting rods, wherein the number of the guiding rods is 2, the guiding rods are respectively and simultaneously arranged between the adjacent end faces of the protection plates in a penetrating mode, the guiding rods are distributed on two sides of the protection plates, the helical springs are arranged between the adjacent end faces of the protection plates and are sleeved on the outer sides of the guiding rods, and the number of the connecting rods is 2, and the guiding rods on corresponding sides are respectively connected with the guiding rods.

Compared with the prior art, the utility model has the beneficial effects that: the utility model provides protection for the cable core, soft protection is implemented on the cable core through the arranged core sheath layer, the inner sheath layer, the outer sheath layer and the adhesive tape, and hard protection is implemented on the cable core through the arranged protection plate, so that trampling of underground workers during working is prevented, and damage to the cable core caused by broken stones falling down in the well is avoided.

Drawings

FIG. 1 is a schematic cross-sectional view of a front view of the present utility model;

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

fig. 3 is a schematic cross-sectional view of an outer jacket layer of the present utility model.

In the figure: 1. a cable core; 2. a core sheath layer; 3. an inner sheath layer; 4. an outer sheath layer; 5. a protection plate; 6. an elastic guide device; 7. protective convex strips; 8. an adhesive tape; 9. a metal braid; 10. a filling layer; 11. a buffer tank; 6-1, a guide rod; 6-2, a spiral spring; 6-3, connecting rod.

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.

Referring to fig. 1-3, the present utility model provides a technical solution: an anti-extrusion mining cable comprises a cable core 1, a core sheath layer 2, an inner sheath layer 3, an outer sheath layer 4, a protection plate 5 and an elastic guide device 6, wherein the number of the cable cores 1 is a plurality of; the number of the wire core sheath layers 2 is equal to that of the cable wire cores 1, and the wire core sheath layers are respectively sleeved on the outer sides of the cable wire cores 1; the inner sheath layer 3 is sleeved on the outer sides of the plurality of wire core sheath layers 2; the outer sheath layer 4 is arranged on the outer side of the inner sheath layer 3; the number of the protection plates 5 is 2, and the protection plates are distributed on the side surface of the outer sheath layer 4 in a mutually symmetrical mode; the elastic guide 6 is provided between adjacent end faces of the 2 guard plates 5.

Specifically, the outside of inner sheath layer 3 is equipped with a plurality of protection sand grip 7, and protection sand grip 7 is filled between adjacent sinle silk sheath layer 2, makes cable core 1 keep stable, makes each sinle silk sheath layer 2 rather than the position of inside cable core 1 more stable simultaneously, makes more tighten between each inner sheath layer 3 in the oversheath layer 4, avoids its winding and displacement to take place.

Specifically, an adhesive tape 8 is arranged between the inner sheath layer 3 and the outer sheath layer 4, the adhesive tape 8 is spirally sleeved on the outer side of the inner sheath layer 3, and the adhesive tape 8 adopts ethylene propylene diene monomer rubber, is a saturated polymer, and has good ageing resistance, weather resistance, excellent electrical insulation performance, good chemical corrosion resistance and good impact elasticity.

Specifically, the inner side of the inner sheath layer 3 is provided with a metal braiding layer 9, a filling layer 10 is arranged between the metal braiding layer 9 and the wire core sheath layer 2, and the metal braiding layer 9 and the filling layer 10 have the effect of improving the internal structural stability of the inner sheath layer 3.

Specifically, a buffer groove 11 is formed in the end face, adjacent to the outer sheath layer 4, of the protection plate 5, and a groove of the buffer groove 11 is formed.

Specifically, the elastic guiding device 6 comprises guiding rods 6-1, coil springs 6-2 and connecting rods 6-3, the number of the guiding rods 6-1 is 2, the guiding rods are respectively and simultaneously arranged between adjacent end faces of 2 protection plates 5 in a penetrating mode and distributed on two sides of the protection plates 5, the coil springs 6-2 are arranged between adjacent end faces of 2 protection plates 5 and sleeved on the outer sides of the guiding rods 6-1, the number of the connecting rods 6-3 is 2, the corresponding side 2 guiding rods 6-1 are respectively connected, the coil springs 6-2 are springs with enough elastic potential energy, so that the springs are enough to support pressure brought by the use in daily environments, the protection plates 5 protect the outer sheath layer 4 and the inner structure of the outer sheath layer 4, and the connecting rods 6-3 have the same functions as the protection plates 5 and can protect the outer sheath layer 4.

Working principle: when the cable core protection device works, the cable section which is in key need of protection is provided with the cable core protection device, the cable core 1 is protected flexibly through the arranged core sheath layer 2, the inner sheath layer 3, the outer sheath layer 4 and the adhesive tape 8, the adhesive tape 8 is sleeved on the outer side of the inner sheath layer 3 in a spiral mode, then an outward acting force is applied to the protection plate 5 through the elastic guide device 6, the protection plate 5 protects the cable core 1 in a hard mode, broken stones falling down in a well can be prevented from damaging the cable core 1 to the greatest extent, and treading of underground workers during working is prevented.

In the description of the present utility model, unless explicitly stated and limited otherwise, the terms "mounted," "connected," and "secured" are to be construed broadly, and may be, for example, fixedly connected, detachably connected, or integrally formed; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communicated with the inside of two elements or the interaction relationship of the two elements. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

Standard parts used in the utility model can be purchased from the market, special-shaped parts can be customized according to the description of the specification and the drawings, the specific connection modes of all parts adopt conventional means such as mature bolts, rivets and welding in the prior art, the machinery, the parts and the equipment adopt conventional models in the prior art, and the circuit connection adopts conventional connection modes in the prior art, so that the details are not described.

Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.

Claims

1. An extrusion-resistant mining cable, comprising:

the cable comprises a plurality of cable cores (1), wherein the number of the cable cores (1) is a plurality;

the cable core sheath layers (2) are equal to the cable cores (1) in number and are respectively sleeved on the outer sides of the cable cores (1);

the inner sheath layers (3) are sleeved on the outer sides of the plurality of wire core sheath layers (2);

the outer sheath layer (4), the said outer sheath layer (4) locates the outside of the said inner sheath layer (3);

the number of the protection plates (5) is 2, and the protection plates (5) are distributed on the side surfaces of the outer sheath layer (4) in a mutually symmetrical mode;

and the elastic guide device (6) is arranged between the adjacent end surfaces of the 2 protection plates (5).

2. An extrusion resistant mining cable according to claim 1, wherein: the outer side of the inner sheath layer (3) is provided with a plurality of protection raised strips (7).

3. An extrusion resistant mining cable according to claim 1, wherein: an adhesive tape (8) is arranged between the inner sheath layer (3) and the outer sheath layer (4), and the adhesive tape (8) is spirally sleeved on the outer side of the inner sheath layer (3).

4. An extrusion resistant mining cable according to claim 1, wherein: the inner side of the inner sheath layer (3) is provided with a metal braiding layer (9), and a filling layer (10) is arranged between the metal braiding layer (9) and the wire core sheath layer (2).

5. An extrusion resistant mining cable according to claim 1, wherein: and a buffer groove (11) is formed in the end face, adjacent to the outer sheath layer (4), of the protection plate (5).

6. An extrusion resistant mining cable according to claim 1, wherein: the elastic guide device (6) comprises guide rods (6-1), coil springs (6-2) and connecting rods (6-3), wherein the number of the guide rods (6-1) is 2, the guide rods penetrate through the adjacent end faces of the protection plates (5) and are distributed on two sides of the protection plates (5), the coil springs (6-2) are arranged between the adjacent end faces of the protection plates (5) and are sleeved on the outer sides of the guide rods (6-1), and the number of the connecting rods (6-3) is 2, and the guide rods (6-1) on the corresponding sides are connected with the guide rods (6-1) respectively.