CN205069166U

CN205069166U - Novel environmental protection shield constructs machine flexible cable

Info

Publication number: CN205069166U
Application number: CN201520827437.2U
Authority: CN
Inventors: 张保亮; 王国安
Original assignee: HEBEI RUIANDA CABLE CO Ltd
Current assignee: Ruianda Cable Co., Ltd.
Priority date: 2015-10-26
Filing date: 2015-10-26
Publication date: 2016-03-02
Anticipated expiration: 2025-10-26

Abstract

The utility model provides a novel environmental protection shield constructs machine flexible cable, includes, cable core and cladding fire -retardant band and the sheath outside the cable core, and its characterized in that: the cable core by three power core conductors, three keep watch on conductor conductor and a group control conductor conductor each other the transposition form, the outside of every power core conductor all in proper order the cladding have power core conductor shield, power core insulating layer, power core insulation screen and power core conductor conductor 0, the every outside of keeping watch on conductor conductor all the cladding have the sinle silk of supervision insulating layer, three control core conductors are a set of, have the control core insulating layer in the cladding of the outside of every control core conductor, have the control core band in the cladding of the outside of control core insulating layer, at cable core and fire -retardant around being provided with the filler between the band. The utility model discloses have bend radius little, can adapt to the torsional basic demand of frequent removal, satisfy the shield and construct the machine in changeable, the abominable subterranean tunnel operation of mountain region tunnel, submarine tunnel and other environment.

Description

Novel environment friendly shield machine flexible cable

Technical field

The utility model relates to a kind of cable, and particularly a kind of novel environment friendly shield machine flexible cable, belongs to the technical field of power cable aspect.

Background technology

In recent years, along with China continues to increase input to capital constructions such as highway, railway, municipal administrations, the railway traffic engineering such as subway, light rail is actively built in each big city, impels developing rapidly of tunnel piercing shield machine industry, and cable for shield machine demand supporting is with it huge; Due to shield machine headwork in the tunnel of the adverse circumstances such as high temperature, humidity, rubble, Special cable for shield machine is as the core match part of shield machine, safe and reliable electric power safeguard to be provided for shield machine normally works, just require it to have high temperature resistant, anticorrosive, anti-ly to pull, wear-resistant, electric pressure high; And current common Plastic-sheathed Cable is only applicable to electric tool, the mobile device of 1KV low-voltage system, be difficult to meet the requirement of shield machine usual 10KV electric power system, existing cable for shield machine cracky, disconnected core, aging fast, the life-span is short, extreme influence shield machine normally runs; Need a kind of high strength cable for shield machine with high voltage, anti-pulling property, mar proof, the requirement of flexility adaptation tunnel environment for this reason, meet the actual requirement of tunnel piercing engineering.

Summary of the invention

Technical problem to be solved in the utility model be to provide a kind of bending radius little, frequently can move torsion, adapt to cable for shield machine that is changeable, adverse circumstances.

A kind of novel environment friendly shield machine flexible cable, comprise, cable core and the fire-retardant band (8) be coated on outside cable core and sheath (13), it is characterized in that: described cable core is by three power wire core conductors (7), three pilot wire core conductors (1) and one group of control conductor conductor (9) is mutually stranded forms, power wire core conductor shield (6) is coated with all successively in the outside of every root power wire core conductor (7), power wire core insulating barrier (5), power wire core insulation screen (4) and power wire core woven shield (3), pilot wire core insulation layer (2) is all coated with in the outside of every root pilot wire core conductor (1), three control conductor conductors (9) are one group, control conductor insulating barrier (10) is coated with in the outside of every root control conductor conductor (9), control conductor band (11) is coated with in the outside of control conductor insulating barrier (10), between cable core and fire-retardant twining package tape (8), be provided with filler (12), sheath (13) is coated on the outside of fire-retardant twining package tape (8).

Three described power wire core conductors (7) and the symmetrical setting of three pilot wire core conductors (1), control conductor (9) is arranged in the gap wherein between a pilot wire core conductor (1) and power wire core conductor (7).

Described three pilot wire core conductors (1) are evenly distributed in the gap of three power wire core conductors (7).

Described power wire core conductor (7) adopts the zinc-plated soft copper skein silk of six classes to close and forms.

Described pilot wire core conductor (1) adopts zinc-plated soft copper silk and strengthens that Polyamide Yarns is stranded forms.

Described control conductor conductor (9) adopts six classes zinc-plated soft copper silk and strengthens that Polyamide Yarns is stranded forms.

Described power wire core woven shield (3) adopts tinned copper wire braiding to be formed, and the outermost power wire core woven shield (3) of its three power wire core conductors (7) contacts with each other, and doublely makees ground wire.

Described power wire core conductor shield (6), power wire core insulating barrier (5) and power wire core insulation screen (4) adopt the disposable structure be extruded on power wire core conductor (7).

Described pilot wire core insulation layer (2), power wire core insulating barrier (5) and control conductor insulating barrier (10) all adopt Ethylene Propylene Terpolymer insulating material to be made.

Described sheath (13) adopts haloflex colorful rubber material to be made.

The beneficial effects of the utility model are: bending radius is little, can adapt to the frequent mobile basic demand reversed, meet shield machine in tunnel, mountain region, seabed tunnel and changeable, the severe subterranean tunnel operation of other environment.This cable is wear-resisting in addition, oil resistant, softness, high anti-tear, normally use under environmental condition that can be severe.Its material of this cable for shield machine is independent research low price, cost-saving, improves the fail safe that in operation, electrical equipment uses and can replace expensive chloroprene rubber sheathing compound cable.

Accompanying drawing explanation

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

In figure: pilot wire core conductor 1, pilot wire core insulation layer 2, power wire core woven shield 3, power wire core insulation screen 4, power wire core insulating barrier 5, power wire core conductor shield 6, power wire core conductor 7, fire-retardant band 8, control conductor conductor 9, control conductor insulating barrier 10, control conductor band 11, filler 12, sheath 13.

Embodiment

As shown in Figure 1, a kind of novel environment friendly shield machine flexible cable, comprise, cable core and the fire-retardant band 8 be coated on outside cable core and sheath 13, it is characterized in that: described cable core is by three power wire core conductors 7, three perpendicular sight line core conductors 1 and one group of control conductor conductor 9 is mutually stranded forms, power wire core conductor shield 6 is coated with all successively in the outside of every root power wire core conductor 7, power wire core insulating barrier 5, power wire core insulation screen 4 and power wire core woven shield 3, described power wire core conductor shield 6, power wire core insulating barrier 5 and power wire core insulation screen 4 adopt and are disposablely extruded in outside power wire core conductor 7, pilot wire core insulation layer 2 is all coated with in the outside of every root pilot wire core conductor 1, three control conductor conductors 9 are one group, be coated with control conductor insulating barrier 10, be coated with control conductor band 11, be provided with filler 12 between cable core and fire-retardant band 8 in the outside of control conductor insulating barrier 10 in the outside of every root control conductor conductor 9.Described sheath 13 adopts haloflex colorful rubber material to be made.At the colored sheath of the coated haloflex of cable core, its sheath 13 uses the extrusion equipment with moisture balance to extrude, and ensures compactness, the smooth surface rounding of the sheath extruded.

Described three power wire core conductors 7 and three pilot wire core conductors 1 adopt symmetrical structure, with the stranded formation cable core of the stranded lay ratio being not more than 14 times, namely three pilot wire core conductors 1 are evenly distributed in the gap of three power wire core conductors 7, supervision core is placed in the gap making full use of power wire core, reaches the overall dimension reducing cable.Control conductor 9 is in the gap wherein between a pilot wire core conductor 1 and power wire core conductor 7.

Enough bending properties are had in order to make cable, described power wire core conductor 7 adopts the zinc-plated soft copper skein silk of six classes to close and forms, pilot wire core conductor 1 adopts zinc-plated soft copper silk and strengthens that Polyamide Yarns is stranded forms, and control conductor conductor 9 adopts six classes zinc-plated soft copper silk and strengthens that Polyamide Yarns is stranded to be formed.Power wire core woven shield 3 adopts tinned copper wire to weave and is formed, and the outermost power wire core woven shield 3 of its three power wire core conductors 7 contacts with each other, and doublely makees ground wire.

Described pilot wire core insulation layer 2, power wire core insulating barrier 5 and control conductor insulating barrier 10 all adopt Ethylene Propylene Terpolymer insulating material to be made.

Above-described embodiment limits the utility model never in any form, and the technical scheme that the mode that every employing is equal to replacement or equivalent transformation obtains all drops in protection range of the present utility model.

Claims

1. a novel environment friendly shield machine flexible cable, comprise, cable core and the fire-retardant band (8) be coated on outside cable core and sheath (13), it is characterized in that: described cable core is by three power wire core conductors (7), three pilot wire core conductors (1) and one group of control conductor conductor (9) is mutually stranded forms, power wire core conductor shield (6) is coated with all successively in the outside of every root power wire core conductor (7), power wire core insulating barrier (5), power wire core insulation screen (4) and power wire core woven shield (3), pilot wire core insulation layer (2) is all coated with in the outside of every root pilot wire core conductor (1), three control conductor conductors (9) are one group, control conductor insulating barrier (10) is coated with in the outside of every root control conductor conductor (9), control conductor band (11) is coated with in the outside of control conductor insulating barrier (10), between cable core and fire-retardant twining package tape (8), be provided with filler (12), sheath (13) is coated on the outside of fire-retardant twining package tape (8).

2. a kind of novel environment friendly shield machine flexible cable according to claim 1, it is characterized in that: three described power wire core conductors (7) and the symmetrical setting of three pilot wire core conductors (1), control conductor conductor (9) is arranged in the gap wherein between a pilot wire core conductor (1) and power wire core conductor (7).

3. a kind of novel environment friendly shield machine flexible cable according to claim 2, is characterized in that: described three pilot wire core conductors (1) are evenly distributed in the gap of three power wire core conductors (7).

4. a kind of novel environment friendly shield machine flexible cable according to claim 1, is characterized in that: described power wire core conductor (7) adopts the zinc-plated soft copper skein silk of six classes to close and forms.

5. a kind of novel environment friendly shield machine flexible cable according to claim 1, is characterized in that: described pilot wire core conductor (1) adopts zinc-plated soft copper silk and strengthens that Polyamide Yarns is stranded forms.

6. a kind of novel environment friendly shield machine flexible cable according to claim 1, is characterized in that: described control conductor conductor (9) adopts six classes zinc-plated soft copper silk and strengthens that Polyamide Yarns is stranded forms.

7. a kind of novel environment friendly shield machine flexible cable according to claim 1, it is characterized in that: described power wire core woven shield (3) adopts tinned copper wire braiding to be formed, the outermost power wire core woven shield (3) of its three power wire core conductors (7) contacts with each other, and doublely makees ground wire.

8. a kind of novel environment friendly shield machine flexible cable according to claim 1, is characterized in that: described power wire core conductor shield (6), power wire core insulating barrier (5) and power wire core insulation screen (4) adopt the disposable structure be extruded on power wire core conductor (7).

9. a kind of novel environment friendly shield machine flexible cable according to claim 1, is characterized in that: described pilot wire core insulation layer (2), power wire core insulating barrier (5) and control conductor insulating barrier (10) all adopt Ethylene Propylene Terpolymer insulating material to be made.

10. a kind of novel environment friendly shield machine flexible cable according to claim 1, is characterized in that: described sheath (13) adopts haloflex colorful rubber material to be made.