CN201345233Y

CN201345233Y - Highly flame-retardant movable control cable for coal mines

Info

Publication number: CN201345233Y
Application number: CNU2009201427210U
Authority: CN
Inventors: 张昌顺; 张琢琳; 张宝林
Original assignee: Anhui Changfeng Cable Group Co Ltd
Current assignee: Anhui Changfeng Cable Group Co Ltd
Priority date: 2009-01-14
Filing date: 2009-01-14
Publication date: 2009-11-11
Anticipated expiration: 2019-01-14

Abstract

The utility model relates to a highly flame-retardant movable control cable for coal mines, which is characterized in that a conductor is made of tinned annealed copper wires; an ethylene propylene mixed rubber insulating layer is extruded and enwrapped on the conductor and forms an insulated wire core after being vulcanized; a plurality of insulated wire cores are stranded into a cable to form a cable core; a belt enwrapping layer formed by superposing and enwrapping a glass fiber belt and a shielding layer formed by weaving a copper wire are enwrapped outside the cable core in sequence; and an outer sheath layer formed by vulcanizing neoprene rubber mixed materials is exuded and enwrapped outside the shielding layer. The utility model has excellent electrical and mechanical properties and is suitable for connecting lines for movable control under the severe mining environment in the coal mines.

Description

The mobile control cable in high flame retardant colliery

Technical field

The utility model relates to a kind of electrical equipment control cable, relates in particular to the mobile control cable in a kind of high flame retardant colliery, belongs to technical field of electric wires and cables.

Background technology

Low voltage control system adapted control cable in the coal mining equipment needs cable to have higher anti-flammability.Traditional flame retardant cable employing extrudes oxygen barrier layer on cable core and sheath adopts the high flame retardant high polymer material to realize fire-retardant purpose.Because oxygen barrier layer and high flame retardant high polymer material all are to adopt the high inorganic material of filling to realize fire-retardantly, therefore, the flexibility of material reduces, and the intensity and the elongation at break of material all decline to a great extent, and be inapplicable in mobile occasion with the control cable that the method is made.

Summary of the invention

The utility model is for avoiding above-mentioned existing in prior technology weak point, and a kind of high flame retardant, softness, the mobile control cable in high flame retardant colliery movably are provided.

The utility model technical solution problem adopts following technical scheme:

The utility model high flame retardant colliery is that conductor adopts tin annealed copper wire with the design feature of mobile control cable, extrudes second third and mix the rubber insulation layer and constitute insulated wire cores through sulfuration on conductor; Constitute cable conductor by the stranded stranding of a plurality of insulated wire cores; Wrapped successively belting layer and the copper wire braiding with the overlapping wrapped formation of glass strap constitutes and screen outside described cable conductor; The external sheath layer that outside described screen, extrudes neoprene rubber compound and form through sulfuration.

Design feature of the present utility model is that also described conductor adopts the 5th class or the 6th class conductor structure in the GB/T3965 standard.

Compared with the prior art, the utility model beneficial effect is embodied in:

1, conductor adopts many thin copper wire lay configuration in the utility model, and bending radius is little, has improved the flexibility of cable, by big lay ratio is set, can effectively improve the antitorque commentaries on classics performance of cable;

2, insulating barrier has adopted high electrical property, high-mechanical property and fire-retardant ethylene-propylene rubber composite material in the utility model, and material is easy to get, and is easy to process, and cost performance is the highest;

3, belting layer adopts the overlapping wrapped fire resistance of glass strap good in the utility model;

4, the cable core screen has effectively reduced cable and surrounding environment is produced electromagnetic interference or surrounding environment cable is produced disturbs in the utility model, and screen adopts the copper wire braiding structure, has improved the softness of cable;

5, the utility model cable jacket layer adopts the neoprene rubber composite material of high-strength abrasion-proof to extrude and vulcanizes, and has high flame retardant.

6, the utlity model has good electric property and mechanical and physical performance, be fit to move under the coal mining adverse circumstances control connecting line.

Description of drawings

Fig. 1 is the utility model structural representation.

Number in the figure: 1 conductor, 2 insulating barriers, 3 belting layers, 4 screens, 5 external sheath layers.

Below in conjunction with drawings and Examples the utility model is further specified.

Embodiment

Referring to Fig. 1, in the present embodiment, conductor 1 adopts tin annealed copper wire, extrudes second third and mix the rubber insulation layer and constitute insulated wire cores 2 through sulfuration on conductor 1; Constitute cable conductor by a plurality of insulated wire cores 2 stranded strandings; The wrapped successively screen 4 that constitutes with the belting layer 3 and the copper wire braiding of the overlapping wrapped formation of glass strap outside cable conductor; The external sheath layer 5 that outside screen 4, extrudes neoprene rubber compound and form through sulfuration.

In concrete the enforcement, conductor adopts the 5th class or the 6th class conductor structure in the GB/T3965 standard.

Claims

1, the mobile control cable in high flame retardant colliery is characterized in that conductor (1) adopts tin annealed copper wire, extrudes second third and mix the rubber insulation layer and constitute insulated wire cores (2) through sulfuration on described conductor (1); Constitute cable conductor by the stranded stranding of a plurality of insulated wire cores (2); The screen (4) that the braiding of wrapped successively belting layer with the overlapping wrapped formation of glass strap (3) and copper wire constitutes outside described cable conductor; The external sheath layer (5) that outside described screen (4), extrudes neoprene rubber compound and form through sulfuration.

2, the mobile control cable in high flame retardant colliery according to claim 1 is characterized in that described conductor adopts the 5th class or the 6th class conductor structure in the GB/T3965 standard.