CN210223624U - Shielding flexible cable of coal mining machine - Google Patents

Abstract

The utility model provides a coal-winning machine shielding flexible cable belongs to underwater robot technical field. The cable solves the problems of breakage and snapping of the control wire core and the power wire core of the traditional cable. The utility model discloses a cable main part, be equipped with three power core conductor in the cable main part, ground core conductor and semi-conducting layer, three control core conductor, cable main part outer lane is equipped with the inner sheath by interior outside to in proper order, the enhancement layer, the oversheath, power core conductor outer lane is equipped with the insulating layer by interior outside to in proper order, the shielding layer, regular triangle and the same parcel of outer lane have the insulating layer for three control core conductor component, parallelogram is constituteed around ground core conductor and semi-conducting layer to three power core conductor and three control core conductor, conductor control core conductor is from the center to the outer lane including strength fiber, the control line conductor, high temperature resistant slip area, the insulating layer, insulating color separation area. The utility model discloses can effectively prevent that the condition of rupture from taking place for power sinle silk and control core.

Description

Shielding flexible cable of coal mining machine

Technical Field

The utility model relates to the technical field of cables, in particular to coal-winning machine shielding flexible cable.

Background

At present, the coal mining machine is a main device widely adopted in underground operation in the coal industry of China. Shearers have evolved from coal cutters. The coal mining machine is a large complex system integrating machinery, electricity and hydraulic pressure, the working environment is severe, and if a fault occurs, the whole coal mining work is interrupted, so that huge economic loss is caused.

The coal mining machine is one of important devices for realizing mechanization and modernization of coal mine production. The mechanized coal mining can reduce the physical labor, improve the safety and achieve the purposes of high yield, high efficiency and low consumption.

The coal mining machine can normally operate by means of continuous electric energy, and the rubber jacketed flexible cable of the coal mining machine is used as the only transmission device of the electric energy, so that the normal operation of the coal mining machine is ensured to play a decisive role. The flexible cable of the coal mining machine can be subjected to various mechanical stresses such as frequent bending, stretching and the like in the operation of the coal mining machine, and the control wire core is easy to break when being subjected to various mechanical stresses due to the small sectional area; under the normal condition, when the control wire core and the power wire core are broken, pulled and broken and other faults occur, the whole cable needs to be replaced again, and the replacement of the whole cable inevitably causes material waste and high replacement cost.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a coal-winning machine shielding flexible cable that antitorque fever, tensile fracture performance are good to the above-mentioned problem that exists among the prior art.

The purpose of the utility model can be realized by the following technical proposal: the utility model provides a coal-winning machine shielding flexible cable, includes cable main body, cable main body in be equipped with three power core conductor, ground core conductor and semi-conductive layer, three control core conductor, a serial communication port, cable main body outer lane by interior inner sheath, enhancement layer, oversheath of being equipped with in proper order outside to, power core conductor outer lane by interior insulating layer, shielding layer of being equipped with in proper order outside to, three control core conductor constitute regular triangle and the same parcel of outer lane have the insulating layer, three power core conductor and three control core conductor constitute parallelogram around ground core conductor and semi-conductive layer, the conductor control core conductor from the center to the outer lane include high strength fiber, control conductor, high temperature resistant slip area, insulating layer, insulation color separation area.

The utility model discloses a theory of operation: the control line conductor intussuseption of control sinle silk conductor is filled with high strength fiber, the outer lane parcel has high temperature resistant slip area, three control sinle silk conductors constitute regular triangle and by the insulating layer tightly simultaneously, can strengthen control sinle silk conductor's distortion resistance and rupture ability greatly, cable main body wraps up the inner sheath outward, the enhancement layer, the oversheath can effectively strengthen cable main body distortion resistance and rupture ability, prevent that the condition of rupture from appearing in power sinle silk conductor and control sinle silk conductor, reduce unexpected the emergence.

In the shielding flexible cable for the coal mining machine, the insulating layer wrapped by the outer rings of the three control wire core conductors is filled with a filling material, and the filling material is made of a soft foaming material.

In the shielding flexible cable for the coal mining machine, the cable body is also filled with the filling material.

In the shielding flexible cable for the coal mining machine, the control line conductor adopts a layered winding structure, the directions of adjacent layers are opposite, and the winding direction of the outermost layer is the right direction.

In the shielding flexible cable for the coal mining machine, the cross-sectional area of the control wire core conductor is not less than 2.5 square millimeters, and the maximum diameter of a single wire in the control wire core conductor is not less than 0.21 millimeter.

In the shielding flexible cable for the coal mining machine, the twisting direction of the strands in the power core conductor, the ground core conductor and the semi-conducting layer is the same as the twisting direction in the complex twisting process, and the twisting direction of the outer layer is the left direction.

In the shielding flexible cable for the coal mining machine, the thickness of the insulating layer of the control wire core conductor is not less than 1.2 mm.

In the shielding flexible cable for the coal mining machine, the insulating layer and the shielding layer are of a structure of an adhesive tape plus a metal or fiber braided layer and a polyester tape plus a metal or fiber braided layer.

In the shielding flexible cable for the coal mining machine, the insulating layer adopts the isopropyl rubber as an insulating material, so that the using amount of sulfur is reduced, or the sulfur is not used, and the rubber content of the insulating layer is more than 35%.

In the shielding flexible cable for the coal mining machine, the high-strength fibers are carbon fibers.

In the shielding flexible cable for the coal mining machine, the inner sheath and the outer sheath are made of high-flame-retardant chloroprene rubber.

In the shielding flexible cable for the coal mining machine, the reinforcing layer is formed by weaving fibers, and the inner sheath and the outer sheath are tightly combined with the reinforcing layer.

Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a coal-winning machine shielding flexible cable compares current cable, when the cable is crooked, filling material can effectively cushion, the control line conductor intussuseption of simultaneous control sinle silk conductor is filled with high strength fiber, the outer lane parcel has high temperature resistant slip area, three control sinle silk conductors constitute regular triangle and by the insulating layer tight simultaneously, the antitorque of control sinle silk conductor and rupture ability can be strengthened greatly, the outer parcel inner sheath of cable main part, the enhancement layer, the oversheath can effectively strengthen cable main part antitorque and rupture ability, prevent that the condition of rupture from appearing in power line core conductor and control sinle silk conductor, reduce unexpected the emergence.

Drawings

Fig. 1 is a schematic cross-sectional view of the present invention.

Fig. 2 is a cross-sectional view of the control wire core conductor of the present invention.

In the figure, 1, a cable body; 2. a power core conductor; 3. a ground core conductor and a semi-conducting layer; 4. a control wire core conductor; 5. an inner sheath; 6. a reinforcing layer; 7. an outer sheath; 8. an insulating layer; 9. a shielding layer; 10. a high strength fiber; 11. a control line conductor; 12. a high temperature resistant slip band; 13. insulating color separation bands; 14. and (4) filling materials.

Detailed Description

The following are specific embodiments of the present invention and the accompanying drawings are used to further describe the technical solution of the present invention, but the present invention is not limited to these embodiments.

As shown in fig. 1 and 2, the shielding flexible cable of the coal mining machine comprises a cable main body 1, three power core conductors 2, a ground core conductor and a semi-conducting layer 3 and three control core conductors 4 are arranged in the cable main body 1, an inner sheath 5, a reinforcing layer 6 and an outer sheath 7 are sequentially arranged on the outer ring of the cable main body 1 from inside to outside, an insulating layer 8 and a shielding layer 9 are sequentially arranged on the outer ring of each power core conductor 2 from inside to outside, the three control core conductors 4 form a regular triangle, the outer ring of each power core conductor 4 is also wrapped by the insulating layer 8, the three power core conductors 2 and the three control core conductors 4 form a parallelogram around the ground core conductors and the semi-conducting layer 3, and the conductor control core conductors 4 from the center to the outer ring comprise high-strength fibers 10, control wire conductors 11, a high.

In more detail, the insulating layer 8 wrapped by the outer rings of the three control wire core conductors 4 is filled with a filling material 14, and the filling material 14 is made of a soft foam material. The soft foaming material has light weight and good softness, has the functions of buffering, sound absorption, shock absorption, heat preservation, filtration and the like, and effectively reduces the deformation of the control wire core conductor 4.

In further detail, the cable body 1 is also filled with the filler material 14. The filler material 14 is effective in reducing cable deformation.

In more detail, in order to further enhance the mechanical performance of the control line conductor 11, the control line conductor 11 adopts a layered winding structure, the directions of adjacent layers are opposite, and the outermost layer is wound in the right direction.

To be more specific, in order to ensure the mechanical properties of the control core conductor 4, the cross-sectional area of the control core conductor 4 is not less than 2.5 square millimeters, and the maximum diameter of a monofilament in the control core conductor 4 is not less than 0.21 millimeter.

In order to ensure the mechanical properties of the power core conductor 2, the ground core conductor and the semi-conducting layer 3, the twisting direction of the strands in the power core conductor 2, the ground core conductor and the semi-conducting layer 3 is the same as that in the complex twisting process, and the twisting direction of the outer layer is the left direction.

Preferably, the thickness of the insulating layer 8 of the control core conductor 4 is not less than 1.2 mm for effective insulation.

Preferably, in order to further improve the mechanical strength of the power core conductor 2 and provide effective shielding capability, the insulating layer 8 and the shielding layer 9 adopt a structure of an adhesive tape plus a metal or fiber braided layer, a polyester tape plus a metal or fiber braided layer

Preferably, the high strength fibers 10 are carbon fibers.

Preferably, the inner sheath 5 and the outer sheath 7 are made of highly flame-retardant chloroprene rubber.

Preferably, the reinforcing layer 6 is woven from fibers, and the inner sheath 5 and the outer sheath 7 are intimately bonded to the reinforcing layer 6. The cable insulation can be effectively protected from being corroded by various light, heat, damp, low temperature, acid and alkali gases and the like and damaged by external mechanical force, and the safe operation of the cable is ensured.

Preferably, the insulating layer 8 is made of isopropyl rubber, so that the use amount of sulfur is reduced, or sulfur is not used, and the gel content of the insulating layer 8 is more than 35%. Only enough glue content is guaranteed to guarantee that insulating layer 8 has good insulating properties and mechanical properties, and meanwhile, in the vulcanization process of traditional cables after extruding insulation, if moisture enters or an insulating material releases acidic substances at high temperature, corrosion of internal copper wires can be caused, so that the breaking elongation of the internal copper wires is influenced, the bending resistance of the conductor is also reduced, the using amount of sulfur is reduced, or the generation of the condition can be reduced or avoided without using sulfur.

The specific embodiments described herein are merely illustrative of the spirit of the invention. Various modifications, additions and substitutions for the specific embodiments described herein may be made by those skilled in the art without departing from the spirit of the invention or exceeding the scope of the invention as defined in the accompanying claims.

Although the terms cable body 1, power core conductor 2, ground core conductor and semi-conductive layer 3, control core conductor 4, inner jacket 5, reinforcing layer 6, outer jacket 7, insulation layer 8, shielding layer 9, high strength fibers 10, control wire conductor 11, high temperature resistant slip band 12, insulation color separation band 13, filler material 14, etc., are used more herein, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed in a manner that is inconsistent with the spirit of the invention.

Claims (10)

1. The utility model provides a coal-winning machine shielding flexible cable, includes cable main part (1), cable main part (1) in be equipped with three power sinle silk conductors (2), ground sinle silk conductor and semi-conducting layer (3), three control sinle silk conductors (4), a serial communication port, cable main part (1) outer lane by interior to be equipped with inner sheath (5), enhancement layer (6), oversheath (7) outward in proper order, power sinle silk conductor (2) outer lane by interior to be equipped with insulating layer (8), shielding layer (9) outward in proper order, three control sinle silk conductors (4) constitute regular triangle and the same parcel of outer lane have insulating layer (8), parallelogram is constituteed around ground sinle silk conductor and semi-conducting layer (3) in three power sinle silk conductors (2) and three control sinle silk conductors (4), the conductor (4) include strength fiber (10) from the center to the outer lane, the conductor, The device comprises a control line conductor (11), a high-temperature resistant slip band (12), an insulating layer (8) and an insulating color separation band (13).

2. The shielding flexible cable for the coal mining machine according to claim 1, characterized in that the insulating layer (8) wrapped by the outer rings of the three control wire core conductors (4) is filled with a filling material (14), the filling material (14) is made of a soft foaming material, and the cable body (1) is also filled with the filling material (14).

3. The shielding flexible cable for the coal mining machine according to claim 1, characterized in that the control line conductor (11) adopts a layered winding structure, the adjacent layers are opposite in direction, and the outermost layer is in a right direction.

4. The shearer shielding flexible cable according to claim 1, wherein the cross-sectional area of the control core conductor (4) is not less than 2.5 mm, and the maximum diameter of the monofilaments in the control core conductor (4) is not less than 0.21 mm.

5. The shielding flexible cable for the coal mining machine according to claim 1, wherein the twisting direction of the strands in the power core conductor (2), the ground core conductor and the semi-conducting layer (3) is the same as the twisting direction in the complex twisting process, and the twisting direction of the outer layer is the left direction.

6. The shearer shielding flexible cable according to claim 1, wherein the thickness of the insulating layer (8) of the control core conductor (4) is not less than 1.2 mm.

7. The shielding flexible cable for the coal mining machine according to claim 1, characterized in that the insulating layer (8) and the shielding layer (9) are of a structure of an adhesive tape plus a metal or fiber braided layer, and a polyester tape plus a metal or fiber braided layer.

8. The shielding flexible cable for the coal mining machine as claimed in claim 1, wherein the insulating layer (8) is made of isopropyl rubber, so that the use amount of sulfur is reduced, or sulfur is not used, and the gel content of the insulating layer (8) is more than 35%.

9. The shielding flexible cable for the coal mining machine according to claim 1, characterized in that the inner sheath (5) and the outer sheath (7) are made of highly flame-retardant chloroprene rubber.

10. The shielding flexible cable for the coal mining machine according to claim 1, characterized in that the reinforcing layer (6) is woven by fibers, and the inner sheath (5) and the outer sheath (7) are tightly combined with the reinforcing layer (6).

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