CN211016608U

CN211016608U - Mining cable shocks resistance

Info

Publication number: CN211016608U
Application number: CN202020014111.9U
Authority: CN
Inventors: 邢军
Original assignee: Jinan Shengtong Power Cable Co ltd
Current assignee: Jinan Shengtong Power Cable Co ltd
Priority date: 2020-01-06
Filing date: 2020-01-06
Publication date: 2020-07-14
Anticipated expiration: 2030-01-06

Abstract

The utility model discloses a mining cable shocks resistance belongs to mining cable technical field, including cable core, outer lag and interior inoxidizing coating, the center department of cable is equipped with the interior inoxidizing coating that is cylindric structure, interior inoxidizing coating is rubber or other elasticity materials, and the outside of interior inoxidizing coating is equipped with the resistance to compression layer that is located outer lag inboard, the resistance to compression layer is formed by flexible metal layer and the concatenation in turn of flexible glue layer, cable core locates between resistance to compression layer and the interior inoxidizing coating and along its week equidistant distribution, and every cable core's outer wall surface all wraps up insulating inoxidizing coating, the intracavity of interior inoxidizing coating is equipped with the buffering strip that is located center department and equidistant protruding piece that is fixed in on the buffering strip. The utility model discloses a protruding piece, outer lag and flexible metal layer's cooperation down, realize the holistic protection of every cable core to this pressure resistance to every cable core has carried out the assurance, thereby has improved the holistic anti pressure ability of this cable.

Description

Mining cable shocks resistance

Technical Field

The utility model relates to a mining cable technical field, specificly relate to a mining cable shocks resistance.

Background

The cable is an insulated conductor formed by arranging one or more mutually insulated conductive cores in a sealed sheath, and a protective covering layer can be added outside the insulated conductor for transmitting, distributing electric energy or transmitting electric signals; with the continuous development of power technology, the application field of cables is also continuously expanded, so that innovation and design are carried out on the mining cables, the development of cable production technology is promoted, the mining cables are easy to damage under the action of external force due to the fact that the existing majority of mining cables are weak in impact resistance, and the impact resistance of the mining cables is influenced due to the fact that the mining cables are weak in automatic elastic recovery capacity, and therefore the impact resistance mining cables are urgently needed to be developed.

SUMMERY OF THE UTILITY MODEL

1. Technical problem to be solved

An object of the utility model is to provide a mining cable shocks resistance to the current that proposes in solving above-mentioned background art has the mining cable's of majority shock resistance more weak, thereby leads to the mining cable to produce easily when receiving the effect of external force and damage, and because its automatic elastic recovery ability is more weak, and the problem of influence is caused to the buffer capacity when receiving the impact to the mining cable.

2. Technical scheme

In order to solve the above problem, the utility model adopts the following technical scheme:

the utility model provides a mining cable shocks resistance, includes cable core, outer lag and interior inoxidizing coating, and the center department of cable is equipped with the interior inoxidizing coating that is cylindric structure, interior inoxidizing coating is rubber or other elastic material, and the outside of interior inoxidizing coating is equipped with the resistance to compression layer that is located outer lag inboard, the resistance to compression layer is formed by flexible metal layer and the concatenation in turn of flexible glue layer, cable core locates between resistance to compression layer and the interior inoxidizing coating and along its border equidistant distribution, and the outer wall surface of every cable core all wraps up there is insulating inoxidizing coating, the intracavity of interior inoxidizing coating is equipped with the buffering strip that is located center department and equidistant protruding piece that is fixed in on the buffering strip.

Preferably, the outer protection sleeve comprises a polyurethane inner protection layer coated on the outer side of the pressure-resistant layer and a polyethylene outer protection sleeve coated on the outer side of the polyurethane inner protection layer.

Preferably, the flexible metal layer is made of high-strength aluminum alloy, and the flexible metal layer corresponds to and aligns with the cable cores one to one.

Preferably, every the inboard shaping of flexible metal level is equipped with the first arc notch with corresponding cable conductor core looks adaptation, and all is fixed with the filling layer that protects corresponding side cable conductor core on the inside wall of every first arc notch, the outside shaping of interior inoxidizing coating is equipped with the second arc notch with corresponding cable conductor core looks adaptation.

Preferably, the bump blocks correspond to and are aligned with the cable cores one to one.

3. Advantageous effects

The utility model discloses a certain pliability and the heat conductivity of high strength aluminum alloy, make this cable whole when elastic, its heat dispersion has also been improved, thereby this cable heat resistance has been improved, and through the setting of position between flexible metal layer and the cable core, make the flexible metal layer protect cable core by extruded one side, reduce the damage of external force to cable core with this, and under the cooperation through flexible metal layer and outer lag, make this cable receive extruded one side to carry out the elasticity protection when, also through the intensity that the flexible metal layer has, the degree of resistance to compression that receives extrusion one side to cable core has carried out the assurance.

The utility model discloses the setting of position between protruding piece and the cable core, through its and the protruding contact between the piece when making the cable core extruded, carry out elastic support to the inside one side of cable core position in cable to make this cable under the cooperation of protruding piece and outer lag and flexible metal layer, realize the holistic protection of cable core, carried out the assurance to the pressure resistance of every cable core with this, thereby improved the holistic anti pressure ability of this cable.

The utility model discloses a polyethylene oversheath has temperature resistant, tensile, corrosion-resistant and acidproof resistant oily performance with the interior sheath of polyurethane, reduces the influence of external environment factor to this mining cable integrality to the effectual life who prolongs this mining cable.

The utility model discloses a setting of first arc notch, second arc notch shape improves the laminating degree between cable core and flexible metal layer and the interior inoxidizing coating to this reduces external factors to the stable influence of above-mentioned this mining cable inner structure, and reduces the effort of flexible metal layer to cable core through the filling layer, thereby reaches the effect of protection.

Drawings

Fig. 1 is a schematic view of the internal structure of the present invention.

Reference numerals: 1-outer protective sleeve, 2-pressure-resistant layer, 3-flexible metal layer, 4-soft adhesive layer, 5-first arc-shaped notch, 6-filling layer, 7-cable core, 8-insulating protective layer, 9-inner protective layer, 10-second arc-shaped notch, 11-buffer strip and 12-convex block.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings and examples.

Examples

As shown in fig. 1, the impact-resistant mining cable comprises a cable core 7, an outer protective cover 1 and an inner protective cover 9, wherein the inner protective cover 9 with a cylindrical structure is arranged at the center of the cable, the inner protective cover 9 is made of rubber or other elastic materials, a pressure-resistant layer 2 positioned on the inner side of the outer protective cover 1 is arranged outside the inner protective cover 9, the outer protective cover 1 comprises a polyurethane inner protective layer coated outside the pressure-resistant layer 2 and a polyethylene outer protective cover coated outside the polyurethane inner protective layer, the temperature resistance, tensile resistance, corrosion resistance and acid resistance of the mining cable are effectively improved through the characteristics of the polyethylene and polyurethane materials, so that the influence of external factors on the integrity of the mining cable is reduced, the pressure-resistant layer 2 is formed by alternately splicing a flexible metal layer 3 and a soft rubber layer 4, the flexible metal layer 3 is made of high-strength aluminum alloy, and the flexible metal layers 3 and the cable core 7 are in one-to-one correspondence and alignment, the cable has elasticity and improves the heat dissipation performance of the cable at the same time through the flexibility and the heat conductivity of the high-strength aluminum alloy, so that the heat resistance of the cable is improved, the flexible metal layer 3 protects the extruded side of the cable core 7 through the arrangement of the position between the flexible metal layer 3 and the cable core 7, the damage of external force to the cable core 7 is reduced, and the compression resistance degree of the extruded side of the cable core 7 is ensured through the strength of the flexible metal layer 3 while the elastic protection of the extruded side of the cable core 7 is realized through the cooperation of the flexible metal layer 3 and the outer protective sleeve 1;

a first arc-shaped notch 5 matched with a corresponding cable core 7 is formed on the inner side of each flexible metal layer 3, a filling layer 6 for protecting the cable core 7 on the corresponding side is fixed on the inner side wall of each first arc-shaped notch 5, a second arc-shaped notch 10 matched with the corresponding cable core 7 is formed on the outer side of the inner protective layer 9, the bonding degree between the cable core 7 and the flexible metal layer 3 and between the cable core and the inner protective layer 9 is improved through the arrangement of the shapes of the first arc-shaped notch 5 and the second arc-shaped notch 10, so that the influence of external factors on the internal structure stability of the mining cable is reduced, the acting force of the flexible metal layer 3 on the cable core 7 is reduced through the filling layer 6, the protection effect is achieved, the cable cores 7 are arranged between the pressure-resistant layer 2 and the inner protective layer 9 and distributed at equal intervals along the circumference of the cable cores, and the outer wall surface of each cable core 7 is wrapped with an insulating protective layer 8, flexible metal layer 3 and cable core 7 one-to-one and align, the intracavity of interior inoxidizing coating 9 is equipped with the buffering strip 11 that is located center department and equidistant protruding piece 12 that is fixed in on buffering strip 11, protruding piece 12 and cable core 7 one-to-one and align, the setting of position between protruding piece 12 and the cable core 7, make cable core 7 through its and protruding contact between 12 when being extrudeed, carry out elastic support to one side that cable core 7 is located the cable inside, thereby make this cable under protruding piece 12 and outer lag 1 and flexible metal layer 3's cooperation, realize the holistic protection to cable core 7, with this pressure resistance to every cable core 7 has carried out the assurance, thereby the holistic anti pressure capacity of this cable has been improved.

The concrete application process of the anti-impact mining cable is as follows: when the mining cable is used, when the mining cable is extruded, the extruded side of the cable core 7 is elastically protected through the cooperation of the flexible metal layer 3 and the outer protective sleeve 1, the mining cable is elastically restored through the elastic restoration capacity of the inner protective layer 9, the contact inner protective layer 9 is elastically supported through the acting force of the deformation generated by the convex block 12, so that the elastic restoration speed of the inner protective layer 9 is accelerated, and the acting force on the side, located inside the cable, of the cable core 7 is decomposed through the deformation generated by the inner protective layer 9, the buffer strip 11 and the convex block 12, so that the cable core 7 is buffer-protected;

when this mining cable receives external effort, the intensity that accessible flexible metal layer 3 has carries out the protection of high strength to its cable core 7 of parcel to this reduces the damage of external effort to cable core 7, thereby reaches the effect of protection, and has temperature resistant, tensile, corrosion-resistant and acidproof resistant oily performance through polyethylene oversheath and polyurethane inner sheath, reduces the influence of external environment factor to this mining cable integrality.

It will be appreciated by those skilled in the art that the above embodiments are only for illustrating the present invention and are not to be used as limitations of the present invention, and that changes and modifications to the above described embodiments will fall within the scope of the claims of the present invention as long as they are within the spirit and scope of the present invention.

Claims

1. The utility model provides a mining cable shocks resistance, includes cable core (7), outer lag (1) and interior inoxidizing coating (9), its characterized in that: the cable is characterized in that an inner protective layer (9) of a cylindrical structure is arranged at the center of the cable, the inner protective layer (9) is made of rubber or other elastic materials, a pressure resistant layer (2) located on the inner side of the outer protective cover (1) is arranged outside the inner protective layer (9), the pressure resistant layer (2) is formed by alternately splicing a flexible metal layer (3) and a soft rubber layer (4), cable cores (7) are arranged between the pressure resistant layer (2) and the inner protective layer (9) and distributed at equal intervals along the circumference of the pressure resistant layer, the outer wall surface of each cable core (7) is wrapped with an insulating protective layer (8), and a buffer strip (11) located at the center and convex blocks (12) fixed on the buffer strip (11) at equal intervals are arranged in an inner cavity of the inner protective layer (9).

2. An impact-resistant mining cable according to claim 1, wherein the outer protective sheath (1) comprises a polyurethane inner sheath layer coated outside the pressure-resistant layer (2) and a polyethylene outer sheath coated outside the polyurethane inner sheath layer.

3. An impact-resistant mining cable according to claim 1, characterized in that the flexible metal layer (3) is made of a high-strength aluminium alloy, and the flexible metal layer (3) is in one-to-one correspondence and alignment with the cable cores (7).

4. The mining cable of claim 1, characterized in that the inner side of each flexible metal layer (3) is formed with a first arc-shaped recess (5) adapted to the corresponding cable core (7), and a filling layer (6) for protecting the corresponding cable core (7) is fixed on the inner side wall of each first arc-shaped recess (5), and the outer side of the inner protective layer (9) is formed with a second arc-shaped recess (10) adapted to the corresponding cable core (7).

5. An impact-resistant mining cable according to claim 1, characterized in that the bumps (12) are in one-to-one correspondence and alignment with the cable cores (7).