CN211980240U

CN211980240U - Special flat cable for high-rise elevator

Info

Publication number: CN211980240U
Application number: CN202021111108.5U
Authority: CN
Inventors: 谢华; 王义银; 李碧霞
Original assignee: Hefei Hongda Wire & Cable Co ltd
Current assignee: Hefei Hongda Wire & Cable Co ltd
Priority date: 2020-06-16
Filing date: 2020-06-16
Publication date: 2020-11-20
Anticipated expiration: 2030-06-16

Abstract

The utility model discloses a special flat cable of high-rise elevator, including the platykurtic outer jacket, at inside parallel arrangement of platykurtic outer jacket communication sinle silk, a pair of fire-retardant strip and a pair of control core, communication sinle silk be located the intermediate position, a pair of fire-retardant strip sets up in the both sides of communication sinle silk, a pair of control core sets up respectively in the outside of a pair of fire-retardant strip, all twine in the outside of every fire-retardant strip and have six outer filling ropes, be connected with a pair of wire rope at the integrative crowded package in the outside of platykurtic outer jacket. The utility model is provided with a plurality of circular channels along the axial direction of the control wire core on the butyronitrile PVC external insulation layer of the communication wire core, thereby playing the role of buffering protection; the pipe wall of the polyurethane inner sheath pipe outside the control wire core is in a honeycomb shape, so that the wire core is protected, and the dustproof and moistureproof effects are achieved; the steel wire rope is arranged on the outer side of the cable and connected with the outer protective layer in an extruding and wrapping mode, the tensile and anti-torsion effects are more direct, and the effects are better.

Description

Special flat cable for high-rise elevator

Technical Field

The utility model relates to the technical field of cables, especially, relate to a special flat cable of high-rise elevator.

Background

The elevator is as the perpendicular vehicle of modern high-rise building, closely related with people's life, and the elevator cable is the important part of elevator normal operation, along with the development of elevator function, also is higher and higher to the functional requirement of elevator cable, like elevator cable can embed communication sinle silk and control sinle silk, and the elevator cable can be along with the elevator often upgrades, and the atress is buckled repeatedly to communication sinle silk and control sinle silk, and easy damage, in addition also higher to the waterproof fire behavior requirement of cable.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a special flat cable of high-rise elevator in order to remedy prior art's defect.

The utility model discloses a realize through following technical scheme:

a flat cable special for a high-rise elevator comprises a flat outer protective layer, wherein a communication wire core, a pair of flame-retardant strips and a pair of control wire cores are arranged inside the flat outer protective layer in parallel, the communication wire core is positioned in the middle, the pair of flame-retardant strips are arranged on two sides of the communication wire core, the pair of control wire cores are respectively arranged on the outer sides of the pair of flame-retardant strips, six outer filling ropes are wound on the outer side of each flame-retardant strip, the communication wire core comprises a communication conductor, an ethylene propylene diene monomer inner insulating layer, an aluminum-plastic composite film shielding layer and a butyronitrile PVC outer insulating layer are sequentially coated on the outer side of the communication conductor, a plurality of circular channels are formed on the butyronitrile PVC outer insulating layer along the axial direction of the control wire core, the control wire core comprises a central tube, 6 control conductors are arranged on the periphery of the central tube, a butyronitrile PVC inner insulating layer and a tinned soft copper wire and polyester wire braided insulating shielding layer, the outer sides of the 6 control conductors are wrapped with polyurethane inner protective sleeves after being twisted, the pipe walls of the polyurethane inner protective sleeves are honeycomb-shaped, and a pair of steel wire ropes is integrally connected to the outer sides of the flat outer protective layers in a wrapping mode.

The pair of steel wire ropes are respectively positioned outside the centers of the two long edges of the flat outer protection layer.

The flat outer protective layer sequentially comprises a galvanized steel strip armor layer, a water-blocking aramid yarn filling layer, a semi-conducting strip shielding layer and a polyurethane outer protective layer from inside to outside.

And glass fiber filling layers are filled in the gaps on the inner sides of the flat outer protective layer and the control wire core.

The utility model has the advantages that: the utility model discloses all be equipped with a pair of fire-retardant strip between the sinle silk, twine outer packing rope outside fire-retardant strip, fire-retardant strip also can play fire-retardant effect when the cable is burnt out, uses with the outer jacket cooperation, effectual, the setting of outer packing rope helps increasing the tensile strength of cable, makes the cable be applicable to often pull, the occasion of bending repeatedly; a plurality of circular channels are arranged on the butyronitrile PVC outer insulating layer of the communication wire core along the axial direction of the control wire core, so that the buffering protection effect is achieved; the pipe wall of the polyurethane inner sheath pipe outside the control wire core is in a honeycomb shape, so that the wire core is protected, and the dustproof and moistureproof effects are achieved; the steel wire rope is arranged on the outer side of the cable and connected with the outer protective layer in an extruding and wrapping mode, the tensile and anti-torsion effects are more direct, and the effects are better.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

Detailed Description

As shown in fig. 1, a flat cable special for a high-rise elevator comprises a flat outer sheath, a communication wire core, a pair of flame-retardant strips 1 and a pair of control wire cores are arranged inside the flat outer sheath in parallel, the communication wire core is positioned in the middle, the pair of flame-retardant strips 1 are arranged on two sides of the communication wire core, the pair of control wire cores are respectively arranged on the outer sides of the pair of flame-retardant strips 1, six outer filling ropes 2 are wound on the outer side of each flame-retardant strip 1, the communication wire core comprises a communication conductor 3, an ethylene propylene diene monomer inner insulating layer 4, an aluminum-plastic composite film shielding layer 5 and a butyronitrile PVC outer insulating layer 6 are sequentially coated on the outer side of the communication conductor 3, a plurality of circular channels 7 are arranged on the butyronitrile PVC outer insulating layer 6 along the axial direction of the control wire core, the control wire core comprises a

central tube

8, and 6 control conductors 9 are arranged on the periphery of, every control conductor 9 outside all coats in proper order has a butyronitrile PVC internal insulation layer 10 and tin-plated soft copper wire plus polyester yarn to weave insulating shield 11, after twisting 6 control conductors 9 the outside cladding has a sheath pipe 12 in the polyurethane, the pipe wall of sheath pipe 12 in the polyurethane be honeycomb, the integrative crowded package in the outside of flat outer jacket is connected with a pair of wire rope 13.

The pair of steel wire ropes 13 are respectively positioned on the outer sides of the centers of the two long edges of the flat outer protection layer, so that the uniform stress is ensured, the tensile and torsional effects are more direct, and the effect is better.

The flat outer protective layer sequentially comprises a galvanized steel strip armor layer 14, a water-blocking aramid yarn filling layer 15, a semi-conducting strip shielding layer 16 and a polyurethane outer protective layer 17 from inside to outside, and is waterproof, anti-interference and good in tensile effect.

The glass fiber filling layers 18 are filled in the gaps on the inner sides of the flat outer protective layers and the inner sides of the control wire cores, so that a good flame-retardant effect is achieved.

Claims

1. The utility model provides a special flat cable of high-rise elevator which characterized in that: the communication cable comprises a flat outer protection layer, wherein a communication cable core, a pair of flame-retardant strips and a pair of control cable cores are arranged inside the flat outer protection layer in parallel, the communication cable core is positioned in the middle, the pair of flame-retardant strips are arranged on two sides of the communication cable core, the pair of control cable cores are respectively arranged on the outer sides of the pair of flame-retardant strips, six outer filling ropes are wound on the outer sides of each flame-retardant strip, the communication cable core comprises a communication conductor, an ethylene propylene diene monomer inner insulating layer, an aluminum-plastic composite film shielding layer and a nitrile PVC outer insulating layer are sequentially coated on the outer side of the communication conductor, a plurality of circular channels are formed on the nitrile PVC outer insulating layer along the axial direction of the control cable core, the control cable core comprises a central tube, 6 control conductors are arranged on the periphery of the central tube, a nitrile PVC inner insulating layer and a tinned soft copper wire and terylene braided insulating shielding layer are sequentially, the outer sides of the 6 control conductors are wrapped with polyurethane inner protective sleeves after being twisted, the pipe walls of the polyurethane inner protective sleeves are honeycomb-shaped, and a pair of steel wire ropes is integrally connected to the outer sides of the flat outer protective layers in a wrapping mode.

2. The special flat cable for high-rise elevators according to claim 1, wherein: the pair of steel wire ropes are respectively positioned outside the centers of the two long edges of the flat outer protection layer.

3. The special flat cable for high-rise elevators according to claim 1, wherein: the flat outer protective layer sequentially comprises a galvanized steel strip armor layer, a water-blocking aramid yarn filling layer, a semi-conducting strip shielding layer and a polyurethane outer protective layer from inside to outside.

4. The special flat cable for high-rise elevators according to claim 1, wherein: and glass fiber filling layers are filled in the gaps on the inner sides of the flat outer protective layer and the control wire core.