CN204463925U

CN204463925U - A kind of New Coal Mine underground shuttle car cable

Info

Publication number: CN204463925U
Application number: CN201520066560.7U
Authority: CN
Inventors: 邓海军; 刘景光; 徐庭元; 陈明
Original assignee: Jiangsu Zhongmei Cable Co Ltd
Current assignee: Jiangsu Zhongmei Cable Co Ltd
Priority date: 2015-01-30
Filing date: 2015-01-30
Publication date: 2015-07-08
Anticipated expiration: 2025-01-30

Abstract

The utility model discloses a kind of New Coal Mine underground shuttle car cable, comprise cable core, it is characterized in that: described cable core by center auxiliary core and with auxiliary core be concentric wire core, power wire core is stranded forms, described wire core and power wire core between two interval are arranged; Gap between three is provided with saddle-shape support bar; Outside cable core, extrude inner sheath, then weave high strength fibre reinforced layer outward at inner sheath, finally outside high strength fibre reinforced layer, extrude oversheath.The utility model solve shuttle car cable bend poor performance, not wear-resisting, in the use procedure of Long-term bend winding, easily there is the problem of disconnected core fault, this cable has softness, flexible, wear-resisting, tensile strength is high, alternating bending can be born reel and the features such as continuous core, be adapted at shuttle car uses.

Description

A kind of New Coal Mine underground shuttle car cable

Technical field

The utility model relates to electric wire field, refers in particular to a kind of New Coal Mine underground shuttle car cable.

Background technology

Shuttle car refers to the transport vehicle being transported coal by coal work towards conveyer belt, because it moves back and forth between coal-face and transport tape, as the shuttle on weaving loom, therefore is called shuttle car.

Underground coal mine institute vehicular cable is the connecting line for shuttle car transmission power and signal, and its one end connects shuttle car equipment, and one end connects power supply.In use along with the motion of shuttle car, be in all the time be wound-stretching-winding-under stretching cycle movement state.Underworkings is very narrow, cable retinue Shi You by the borehole wall or the scratch of supporting thing may; Be subject to the restriction of cable hoist capacity and shuttle car range ability in addition, the overall dimension of cable also must have strict restriction.

Because environment for use is severe, the useful life of cable is very of short duration.Often come into operation tens of sky or two weeks will break down, and causes the shut-down of shuttle car, thus directly affects coal-winning machine and mine and the normal work of driving.The fault that shuttle car cable frequency of occurrence is maximum is exactly disconnected core, for this reason, this type of cable has mainly done the improvement of following three aspects to extend its life-span, (1) heart adds steel wire rope and strengthens the tensile strength that original paper improves the entirety of cable in the cable, (2) conductor center adopts steel wire reinforcement or copper wire to improve the tensile strength of conductor with steel wire mixing twisting process, and (3) add braided steel wire reinforced layer to improve the tensile strength of the entirety of cable in restrictive coating.

Prior art Problems existing and shortcoming

(1) cable center adds steel wire rope and strengthens original paper.Because copper wire is different with the flexibility of steel wire, cable easily makes conductor loose in mobile winding process, structure becomes not tight, cable core and sheath generation relative displacement, cable core pitch is loose, and core extends, and core wire rope strengthens the ductility of original paper not as copper wire, cause insulated wire cores around the twisting of steel wire rope reinforcement, finally cause disconnected core fault.

(2) conductor center adopts steel wire reinforcement or copper wire to mix stranded with steel wire, and the ductility of steel wire covers copper wire difference, and in stranding process, steel wire easily bloats, and makes conductor structure loosely, affects the whole service life of cable.

(3) in restrictive coating, add braided steel wire reinforced layer, the flexibility of steel wire is poor, causes whole cable bend hydraulic performance decline, not only user's constructional difficulties, and affects the useful life of cable.

Utility model content

Technical problem to be solved in the utility model is to overcome prior art defect, and provide a kind of soft, flexible, wear-resisting, tensile strength is high, can bear the underground coal mine shuttle vehicular cable of alternating bending winding and continuous core.

In order to solve the problems of the technologies described above, the utility model provides a kind of New Coal Mine underground shuttle car cable, comprise cable core, it is characterized in that: described cable core by center auxiliary core and with auxiliary core be concentric wire core, power wire core is stranded forms, described wire core and power wire core between two interval are arranged; Gap between three is provided with saddle-shape support bar; Outside cable core, extrude inner sheath, then weave high strength fibre reinforced layer outward at inner sheath, finally outside high strength fibre reinforced layer, extrude oversheath.

Further improvement, described auxiliary core by high strength fibre strengthening core, be wrapped in the auxiliary core conductor layer outside strengthening core and the auxiliary core insulating barrier be extruded in outside auxiliary core conductor layer is formed.

Further improvement, described wire core by high strength fibre strengthening core, be wrapped in the wire core conductor layer outside strengthening core and the wire core insulating barrier be extruded in outside wire core conductor layer is formed.

Further improvement, described power wire core by high strength fibre strengthening core, be wrapped in power wire core conductor outside strengthening core and adopt the mode of double-layer coextrusion be extruded in power wire core insulating barrier outside power wire core conductor, semi-conductive layer forms.

Further improvement, described auxiliary core conductor, wire core conductor, power wire core conductor adopt multiply soft copper wire are stranded forms.

Further improvement, the limit of described saddle-shape support bar is arc, and the radius of its arc limit radius power wire core corresponding with arc limit, wire core is identical.

The beneficial effects of the utility model are:

1, the conductor of power wire core, wire core and auxiliary core adopts the soft copper wire of multiply stranded according to the structure of 0+n, namely central core adopts high tensile strength fibrous material to strengthen, thin copper wire is wrapped on reinforcement, and every layer of direction is contrary, is wound around lay ratio and controls within 10 times; Thin copper wire is wrapped on reinforcement, and every layer of counter-wound, and this structure increases the bending property of core in bending winding use procedure, and because core stress point is mainly at central core, therefore core also not frangibility, adds core useful life.

2, be provided with shape of a saddle bedding core at the central core of cable to support, it is specially design and design fill up central space, compact conformation, safety and stability for supporting to cable core that shape of a saddle bedding core supports; Because the radius of its arc limit radius and power wire core, wire core is suitable, when stranding is stranded, each core well can be fixed, eliminate relative sliding between core, make cable can not produce clot bulge phenomenon.

3, be provided with an auxiliary core in shape of a saddle bedding core centre of support, auxiliary core center is provided with a high tensile strength fibrous material; The effect of auxiliary core: first in cable bend process, the most concentrated stressed place is cable bosom part, therefore high tensile strength fibrous material is as main stress point, thus improve the useful life of cable, secondly, auxiliary core is arranged on the external diameter that shape of a saddle bedding core centre of support can reduce cable, is more suitable for using on shuttle car.

Accompanying drawing explanation

Fig. 1 is structural representation of the present utility model.

Embodiment

Below in conjunction with accompanying drawing, the utility model is elaborated.

As shown in Figure 1, a kind of New Coal Mine underground shuttle car cable described in the utility model, comprise cable core, described cable core by center auxiliary core and with auxiliary core be concentric wire core, power wire core is stranded forms, described wire core and power wire core between two interval are arranged; Gap between three is provided with saddle-shape support bar 2, the limit of this saddle-shape support bar 2 is arc, the radius of its arc limit radius power wire core corresponding with arc limit, wire core is identical, when stranding is stranded, each core well can be fixed, eliminate relative sliding between core, make cable can not produce clot bulge phenomenon; Outside cable core, extrude inner sheath 3, then at inner sheath 3 outer braiding high strength fibre reinforced layer 4, finally outside high strength fibre reinforced layer 4, extrude oversheath 5.

Wherein, described auxiliary core by high strength fibre strengthening core 1, be wrapped in the auxiliary core conductor 6 outside strengthening core and the auxiliary core insulating barrier 9 be extruded in outside auxiliary core conductor 8 is formed.

Described wire core by high strength fibre strengthening core 1, be wrapped in the wire core conductor 6 outside strengthening core and the wire core insulating barrier 7 be extruded in outside wire core conductor is formed.

Described power wire core by high strength fibre strengthening core 1, be wrapped in power wire core conductor 10 outside strengthening core and adopt the mode of double-layer coextrusion be extruded in power wire core insulating barrier 11 outside power wire core conductor, semi-conductive layer 12 forms.

The above is only preferred implementation of the present utility model; should be understood that; for those skilled in the art, can also make some improvement under the prerequisite not departing from the utility model principle, these improvement also should be considered as protection range of the present utility model.

Claims

1. a New Coal Mine underground shuttle car cable, comprises cable core, it is characterized in that: described cable core by center auxiliary core and with auxiliary core be concentric wire core, power wire core is stranded forms, described wire core and power wire core between two interval are arranged; Gap between three is provided with saddle-shape support bar (2); Outside cable core, extrude inner sheath (3), then weave high strength fibre reinforced layer (4) outward at inner sheath (3), finally outside high strength fibre reinforced layer (4), extrude oversheath (5).

2., according to the New Coal Mine underground shuttle car cable described in claim 1, it is characterized in that: described auxiliary core by high strength fibre strengthening core (1), be wrapped in the auxiliary core conductor (8) outside strengthening core and be extruded in auxiliary core conductor (8) auxiliary core insulating barrier (9) outward and form.

3., according to the New Coal Mine underground shuttle car cable described in claim 1, it is characterized in that: described wire core by high strength fibre strengthening core (1), be wrapped in the wire core conductor (6) outside strengthening core and be extruded in wire core conductor (6) wire core insulating barrier (7) outward and form.

4., according to the New Coal Mine underground shuttle car cable described in claim 1, it is characterized in that: described power wire core by high strength fibre strengthening core (1), be wrapped in power wire core conductor (10) outside strengthening core and adopt the mode of double-layer coextrusion be extruded in power wire core insulating barrier (11) outside power wire core conductor, semi-conductive layer (12) forms.

5. the New Coal Mine underground shuttle car cable according to claim 2,3 or 4, is characterized in that: described auxiliary core conductor (6), wire core conductor (8), power wire core conductor (10) adopt multiply soft copper wire is stranded forms.

6. New Coal Mine underground shuttle car cable according to claim 1, is characterized in that: the limit of described saddle-shape support bar (2) is arc, and the radius of its arc limit radius power wire core corresponding with arc limit, wire core is identical.