CN203366834U

CN203366834U - Rubber sleeve flexible cable for coal cutter

Info

Publication number: CN203366834U
Application number: CN2013203375471U
Authority: CN
Inventors: 王吉勇; 苏明华; 王健红; 吕波
Original assignee: LIAONING BAOLIN GROUP DALIAN JINZHOU CABLE Co Ltd
Current assignee: LIAONING BAOLIN GROUP DALIAN JINZHOU CABLE Co Ltd
Priority date: 2013-06-13
Filing date: 2013-06-13
Publication date: 2013-12-25
Anticipated expiration: 2023-06-13

Abstract

The utility model discloses a rubber sleeve flexible cable for a coal cutter. An external part of a wire core is wrapped with an internal sheath which is externally wrapped with a fiber weaving reinforcing layer. An outmost layer is wrapped with an external sheath. The wire core is formed by three power wire cores and one control wire core which are arranged in a square. A ground wire core conductor semi-conductive layer is arranged between the power wire cores and the control wire core. An innermost layer of the power wire cores is provided with a power wire core conductor which is externally wrapped with a layer of power wire core insulation. The outmost layer is wrapped with a power wire core semi-conductive shielding layer. The innermost layer of the control wire core is provided with three control wire core conductors which are arranged in a triangle, and the control wire core conductors are externally wrapped with a control wire core insulating layer. The rubber sleeve flexible cable for the coal cutter is high in flexibility (mobility), great in bending resistance, great in wear resistance, high in impact resistance and extrusion resistance so that the service life of the cable is more than one year. There is no repetitive twisting pitch groove on the twisting surface of the conductor so that the rubber sleeve flexible cable for the coal cutter is great in insulation extruding effect, more flexible in conductor structure and more excellent in bending performance.

Description

A kind of rubber sleeve flexible cable for coal mining machine

Technical field

The utility model belongs to field of cables, relates in particular to a kind of rubber sleeve flexible cable for coal mining machine.

Background technology

At present, rubber sleeve flexible cable for coal mining machine generally will adopt line diameter to be less than the fine copper wire of 0.51mm, conductor outermost layer direction of lay is left-hand, the adjacent layer opposite direction, and the stranded surperficial pitch ditch of conductor is obvious, affect insulating exruded effect, cable core adds filling, and one deck oversheath is only arranged, so cable is low useful life, generally, in 3 months, can not meet consumers' demand.

The utility model content

The purpose of this utility model, for a kind of rubber sleeve flexible cable for coal mining machine is provided, has solved above-mentioned mentioned problem.

The utility model is achieved in the following ways: the outside inner sheath that coats of core, inner sheath is outer to be wrapped up by the fibrage reinforced layer, outermost layer is surrounded by oversheath, described is that core is to be square arrangement by three power cores and a control core to form, between power core and control core, a ground wire core conductor semi-conductive layer is arranged, described power core innermost layer is provided with a power line core conductor, its outer wrapping one deck power line core insulation, outermost layer parcel power core semiconductive shielding layer, described control core innermost layer has three control line core conductors that are triangular arranged, its outer cladding control line core insulation layer.

Described power line core conductor and control line core conductor are by zinc-plated soft copper conductor stranded forming in the same way, and the outermost layer direction of lay is left-hand, and line diameter is less than 0.3mm.

Adopt the high fibrage reinforced layer of tensile strength between described inner sheath and oversheath.

Described inner sheath and oversheath all adopt the high-strength anti-flaming protective cover material.

The beneficial effects of the utility model are: flexibility (mobility) is high, bending resistance is good, resistance to wear is good, impact resistance and anti-extrusion performance strong, cable useful life is more than 1 year.In tinned conductor, line diameter is less than 0.3mm, adopts strandedly in the same way, and the outermost layer direction of lay is left-hand, and the stranded surface of conductor is without the pitch ditch of multiple strand, and insulating exruded effective, conductor structure is more soft, and bending property is better.

The accompanying drawing explanation

Fig. 1 is cross section structure schematic diagram of the present utility model.

In figure, 1, the power core; 2, power line core conductor; 3, power line core insulation layer; 4, power core semiconductive shielding layer; 5, ground wire core conductor semi-conductive layer; 6, control core; 7, control line core conductor; 8, control line core insulation layer; 9, neck bush; 10, braiding reinforced layer; 11, oversheath.

Embodiment

Below in conjunction with the drawings and specific embodiments, the utility model is further described, as shown in Figure 1: a kind of rubber sleeve flexible cable for coal mining machine, comprise by three power cores, a control core and a core that ground wire core conductor semi-conductive layer forms, the outside inner sheath (9) that coats of core, inner sheath (9) is outer by fibrage reinforced layer (10) parcel, and outermost layer is surrounded by oversheath (11).Three power cores (1) and a control core (6) are square arrangement and form, between power core (1) and control core (6), a ground wire core conductor semi-conductive layer (5) is arranged, described power core (1) innermost layer is provided with a power line core conductor (2), its outer wrapping one deck power line core insulation layer (3), outermost layer parcel power core semiconductive shielding layer (4), described control core (6) innermost layer has three control line core conductors (7) that are triangular arranged, its outer cladding control line core insulation layer (8).

Adopt the high fibrage reinforced layer of tensile strength between inner sheath (9) and oversheath (11).Inner sheath (9) and oversheath (11) all adopt the high-strength anti-flaming protective cover material.

Claims

1. a rubber sleeve flexible cable for coal mining machine, comprise core, it is characterized in that: the outside inner sheath (9) that coats of core, inner sheath (9) is outer to be wrapped up by fibrage reinforced layer (10), outermost layer is surrounded by oversheath (11), described is that core is to be square arrangement by three power cores (1) and a control core (6) to form, between power core (1) and control core (6), a ground wire core conductor semi-conductive layer (5) is arranged, described power core (1) innermost layer is provided with a power line core conductor (2), its outer wrapping one deck power line core insulation layer (3), outermost layer parcel power core semiconductive shielding layer (4), described control core (6) innermost layer has three control line core conductors (7) that are triangular arranged, its outer cladding control line core insulation layer (8).

2. rubber sleeve flexible cable for coal mining machine according to claim 1, it is characterized in that: described power line core conductor (2) and control line core conductor (7) are by zinc-plated soft copper conductor stranded forming in the same way, the outermost layer direction of lay is left-hand, and line diameter is less than 0.3mm.

3. rubber sleeve flexible cable for coal mining machine according to claim 1 is characterized in that: the braided fiber reinforced layer material adopted between described inner sheath (9) and oversheath (11) is dacron thread.

4. rubber sleeve flexible cable for coal mining machine according to claim 1, it is characterized in that: described inner sheath (9) and oversheath (11) all adopt haloflex.