CN219066447U

CN219066447U - Mining control cable

Info

Publication number: CN219066447U
Application number: CN202222789867.2U
Authority: CN
Inventors: 李张建; 李彬; 王欣
Original assignee: Yantai Jintai Wire And Cable Co ltd
Current assignee: Yantai Jintai Wire And Cable Co ltd
Priority date: 2022-10-21
Filing date: 2022-10-21
Publication date: 2023-05-23
Anticipated expiration: 2032-10-21

Abstract

The utility model discloses a mining control cable, which belongs to the technical field of mining cables and comprises a cable body, wherein connecting assemblies are arranged at two ends of the cable body, each connecting assembly comprises a concave part, each concave part is connected with one end of the cable body, a ring is sleeved outside each concave part, one end of each ring is symmetrically connected with a clamping piece, one end of each ring is symmetrically provided with a connecting groove, each connecting groove consists of an inserting groove and a sliding groove, each inserting groove and each sliding groove are formed in one end of each ring, each inserting groove and each sliding groove are matched with each clamping piece, and one end of each ring is uniformly provided with a plurality of locking holes. The utility model has the beneficial effects of solving the problems of insulation and shielding failure existing in the exposed spliced part of the cable, improving the safety of the mining cable, simplifying the splicing work of the mining cable, improving the assembly efficiency, improving the structural strength of the cable, avoiding deformation damage of the cable when the cable is laid, and prolonging the service life of the cable.

Description

Mining control cable

Technical Field

The utility model relates to the technical field of mining cables, in particular to a mining control cable.

Background

In order to ensure continuous supply of raw coal, normal operation of a mining system, a conveying system, a ventilation system and a drainage system of a coal mine is important.

The utility model discloses a mining control cable with the Chinese patent application number of CN201310629440.9, which comprises an insulating cable core, an inner sheath layer and an outer sheath layer, wherein the insulating cable core is formed by single or a plurality of stranded conductors which are extruded with insulating protective layers, PP rope filling materials are paved in parallel in gaps between the insulating cable core and the shielding layers, and an armor layer is further arranged on the inner side of the outer sheath layer. The utility model has novel structure and excellent performances of electric field shielding, compression resistance, tensile resistance, fire resistance, flame retardance, water resistance, corrosion resistance, aging resistance and the like.

The above comparative document has the following problems:

(1) In the use of mining cable, the condition that the length is insufficient often can appear, need carry out the outside protective layer of cable and peel off and splice this moment, the operation is comparatively inconvenient, and the part of concatenation is naked, has the potential safety hazard.

(2) The mining cable laying environment is severe, the geological structure is complex, the cable is easy to receive external pressure, and deformation and damage are caused.

Disclosure of Invention

The utility model aims to provide a mining control cable for solving the problems in the background technology.

The technical scheme of the utility model is as follows: the utility model provides a mining control cable, includes the cable body, the both ends of cable body all are provided with coupling assembling, coupling assembling includes the spill spare, the one end in the cable body is connected to the spill spare, the outside cover of spill spare is equipped with the ring, the one end symmetry of ring is connected with the fastener, the one end symmetry of ring is provided with the spread groove, the spread groove comprises spread groove and sliding tray, the one end in the ring is seted up with the sliding tray to the spread groove, and spread groove and sliding tray all match with the fastener, a plurality of locking holes are offered to the one end of ring halving.

Further, the space between two adjacent locking holes is equal to the length of the sliding groove.

Further, the cable body comprises a core wire layer, a shielding layer is arranged outside the core wire layer, and the shielding layer is composed of a polypropylene film and a PET film.

Further, an insulating protection layer is arranged on the outer wall of the shielding layer, and the insulating protection layer is a polyethylene insulating layer.

Further, the outer wall of insulating protection layer is provided with the armor, the outside bisection of armor is connected with a plurality of buffer bars, the one end of buffer bar is connected with the inner wall of outer sheath.

The utility model provides a mining control cable through improvement, which has the following improvements and advantages compared with the prior art:

the method comprises the following steps: according to the utility model, through the use of the connecting groove matched with the clamping piece, the rapid splicing function of the mining cable is realized, the problem of insulation and shielding failure existing in the exposed splicing part of the cable is solved, the safety of the mining cable is improved, the splicing work of the mining cable is simplified, and the assembly efficiency is improved.

And two,: according to the utility model, through the arrangement of the armor layer and the buffer strips, external pressure is absorbed and counteracted by utilizing the deformation of the buffer strips, and the structural strength of the cable is enhanced by utilizing the armor layer, so that the deformation damage of the cable when the cable is laid is avoided, and the service life of the cable is prolonged.

Drawings

The utility model is further explained below with reference to the drawings and examples:

FIG. 1 is a schematic diagram of the structure of the present utility model;

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

fig. 3 is a schematic side sectional view of the connecting assembly of the present utility model.

Reference numerals illustrate: 1. a cable body; 11. an outer protective layer; 12. a buffer strip; 13. an armor layer; 14. an insulating protective layer; 15. a shielding layer; 16. a core wire layer; 2. a connection assembly; 21. a female member; 22. a clamping piece; 23. a ring; 24. a locking hole; 25. a connecting groove; 251. an insertion groove; 252. a sliding groove.

Detailed Description

The technical solutions of the embodiments of the present utility model will be clearly and completely described below in detail with reference to fig. 1 to 3, and it is obvious that the described embodiments 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.

The utility model provides a mining control cable through improvement, as shown in fig. 1-3, which comprises a cable body 1, wherein connecting components 2 are arranged at two ends of the cable body 1, the connecting components 2 comprise a concave part 21, the concave part 21 is connected with one end of the cable body 1, a ring part 23 is sleeved outside the concave part 21, one end of the ring part 23 is symmetrically connected with a clamping part 22, the cross section of the clamping part 22 is L-shaped, one end of the ring part 23 is symmetrically provided with a connecting groove 25, the connecting groove 25 consists of an inserting groove 251 and a sliding groove 252, the inserting groove 251 and the sliding groove 252 are arranged at one end of the ring part 23, the inserting groove 251 and the sliding groove 252 are matched with the clamping part 22, namely, the inserting groove 251 is identical with the end face of the clamping part 22 in size, the sliding groove 252 is identical with the side face of the clamping part 22 in size, after the clamping part 22 is inserted and rotated, the sliding groove 252 is used for blocking the clamping piece 22 and preventing the clamping piece 22 from being directly separated, one end of the ring piece 23 is equally provided with a plurality of locking holes 24, the locking holes 24 are used for locking bolts and nuts during splicing, the two connected ring pieces 23 are prevented from being separated due to relative deflection, the spacing dimension of the two adjacent locking holes 24 is equal to the length dimension of the sliding groove 252, so that after the clamping piece 22 is inserted into the inserting groove 251 and rotates along the sliding groove 252, the locking holes 24 on the two ring pieces 23 can be aligned, the locking by bolts and nuts is facilitated, the cable body 1 comprises a core wire layer 16, the shielding layer 15 is arranged outside the core wire layer 16, the shielding layer 15 is formed by a polypropylene film and a PET film, the integral shielding effect of the cable body 1 is ensured by the polypropylene film and the PET film of the shielding layer 15, the shielding stability is enhanced, avoid interfering with external electromagnetic field each other, the outer wall of shielding layer 15 is provided with insulating protection layer 14, insulating protection layer 14 adopts the polyethylene insulating layer, is the polyethylene insulating layer through insulating protection layer 14 to electric effect to surrounding, avoid taking place to break down, improve the security of cable body 1, the outer wall of insulating protection layer 14 is provided with armor 13, the outside bisection of armor 13 is connected with a plurality of buffer bars 12, the one end of buffer bar 12 is connected with the inner wall of outer sheath 11, is receiving outside pressure effect, and the buffer bar 12 of intermittent type setting takes place deformation and absorbs pressure to cooperate armor 13 to prevent inside cable deformation, improved cable body 1 shock resistance, reduce the probability of damage.

Working principle: when the splicing operation is needed, the core wires of the two cable bodies 1 are spliced, then the clamping pieces 22 on the two adjacent ring pieces 23 are respectively corresponding to the insertion grooves 251 and inserted, the two ring pieces 23 are rotated relatively, the clamping pieces 22 slide along the sliding grooves 252 until the clamping pieces 22 slide to the tail ends of the sliding grooves 252, at the moment, the locking holes 24 on the two ring pieces 23 are aligned, bolts and nuts are inserted and locked, the splicing operation is completed, in the actual use process, the integral shielding effect of the cable bodies 1 is ensured through the polypropylene film and the PET film of the shielding layer 15, the shielding stability is enhanced, the mutual interference with external electromagnetic fields is avoided, the insulating layer 14 is a polyethylene insulating layer, thereby the insulation effect is played on the surrounding electricity, the breakdown is avoided, the safety of the cable bodies 1 is improved, the buffer strips 12 which are intermittently arranged deform and absorb the pressure when the external pressure acts, the inner cable is prevented from deforming by the aid of the matching layer 13, the impact resistance of the cable bodies 1 is improved, and the armor probability of the cable bodies is reduced.

The previous description of the disclosed embodiments is provided to enable any person skilled in the art to make or use the present utility model. Various modifications to these embodiments will be readily apparent to those skilled in the art, and the generic principles defined herein may be applied to other embodiments without departing from the spirit or scope of the utility model. Thus, the present utility model is not intended to be limited to the embodiments shown herein but is to be accorded the widest scope consistent with the principles and novel features disclosed herein.

Claims

1. A mining control cable, characterized in that: including cable body (1), the both ends of cable body (1) all are provided with coupling assembling (2), coupling assembling (2) are including spill spare (21), spill spare (21) are connected in the one end of cable body (1), the outside cover of spill spare (21) is equipped with ring (23), the one end symmetry of ring (23) is connected with fastener (22), the one end symmetry of ring (23) is provided with spread groove (25), spread groove (25) comprise insertion groove (251) and sliding tray (252), insertion groove (251) and sliding tray (252) are seted up in the one end of ring (23), and insertion groove (251) and sliding tray (252) all with fastener (22) assorted, a plurality of locking hole (24) are offered to the one end of ring (23) halving.

2. A mining control cable according to claim 1, wherein: the space between two adjacent locking holes (24) is equal to the length of the sliding groove (252).

3. A mining control cable according to claim 1, wherein: the cable body (1) comprises a core wire layer (16), a shielding layer (15) is arranged outside the core wire layer (16), and the shielding layer (15) is composed of a polypropylene film and a PET film.

4. A mining control cable according to claim 3, wherein: an insulating protection layer (14) is arranged on the outer wall of the shielding layer (15), and the insulating protection layer (14) is a polyethylene insulating layer.

5. The mining control cable of claim 4, wherein: the outer wall of insulating protection layer (14) is provided with armor (13), the outside bisection of armor (13) is connected with a plurality of buffer strips (12), the one end of buffer strip (12) is connected with the inner wall of outer sheath (11).