CN214897753U

CN214897753U - Waterproof fireproof ceramic silicon rubber insulation high-speed elevator trailing cable

Info

Publication number: CN214897753U
Application number: CN202120508307.8U
Authority: CN
Inventors: 徐春
Original assignee: Zhejiang Hongda Electric Co ltd
Current assignee: Zhejiang Hongda Electric Co ltd
Priority date: 2021-03-10
Filing date: 2021-03-10
Publication date: 2021-11-26
Anticipated expiration: 2031-03-10

Abstract

The utility model provides a waterproof fire-resistant pottery silicon rubber insulation express elevator retinue cable, the whole shaping of cable is the platykurtic to it has a plurality of cable cores to be the linear direction range on the cross-section, and the cable core is twisted into the type by a plurality of conductors, and the outside parcel of conductor sets up the fire-resistant insulation layer, and the clearance intussuseption between the cable core that the conductor constitutes is filled with and is provided with the yarn that blocks water to twine the parcel at the outside of cable core and block water the area, the cable core is close to the setting between two liang, sets up the sheath in the outside parcel of all cable cores, still sets up respectively at the both ends of cable flat structure and is there is wire rope, wire rope and cable parallel arrangement, and wire rope's outside is wrapped up in the sheath by an organic whole. This scheme has dampproofing, the good characteristics of fire behavior, still has cable structure simultaneously and stably, and non-deformable fracture's advantage can adapt to the work characteristics that crooked and hang for a long time repeatedly in the elevator operation.

Description

Waterproof fireproof ceramic silicon rubber insulation high-speed elevator trailing cable

Technical Field

The utility model relates to a supporting cable construction who uses of elevator operation specifically is a waterproof fire-resistant pottery silicon rubber insulation express elevator retinue cable.

Background

The elevator is a special equipment providing height change in the building, the lift car of the elevator moves up and down in the elevator shaft, the control of the operation of the lift car is realized by the control program of the control cabinet, so the control cabinet and the tractor driven by the lift car need to be connected with a control circuit through a cable, wherein, the trailing cable is in a cable structure connected with the lift car, as the lift car is changed in position, the trailing cable needs to be hung outside the lift car and needs to be bent due to the change of the position of the lift car, the trailing cable can be repeatedly bent in the working process and needs to bear the pulling force of the own weight, and the elevator needs to have good performance of resisting extension deformation and good bending damage effect; in addition, the environment of the elevator shaft is complex and various, accumulated water is generated if the water is not completely prevented in the elevator shaft, and electrical equipment is influenced, so that a cable needing circuit connection needs to have a good waterproof effect, a fire elevator in special equipment needs to have good fire resistance, and the fire resistance of the cable is also a necessary characteristic of the fire resistance.

Disclosure of Invention

An object of the utility model is to overcome the above-mentioned not enough that exists among the prior art, and provide a waterproof fire-resistant pottery silicon rubber insulation express elevator retinue cable.

The utility model provides a technical scheme that above-mentioned problem adopted is: the cable is integrally formed into a flat shape, a plurality of cable cores are arranged in a linear direction on the cross section, the cable cores are formed by twisting a plurality of conductors, the outer portions of the conductors are wrapped with fire-resistant insulating layers, water-blocking yarns are filled in gaps between the cable cores formed by the conductors, water-blocking tapes are wound and wrapped outside the cable cores, the cable cores are arranged in a close mode, sheaths are wrapped outside all the cable cores, steel wire ropes are arranged at two ends of a flat cable structure respectively, the steel wire ropes are arranged in parallel with the cable, and the outer portions of the steel wire ropes are integrally wrapped in the sheaths.

This scheme is a supporting retinue cable structure who uses in elevator, it is dampproofing to have, fire behavior is good characteristics, still have cable stable in structure simultaneously, non-deformable fracture's advantage, can adapt to the operating characteristics that the elevator operation is crooked repeatedly and hangs for a long time, the long service life of cable, can use in multiple elevator environment, it is extensive to use the scene, be fit for different target customer's demand, be favorable to developing market, improve enterprise economic benefits, help improving the efficiency of the production and processing of cable simultaneously, the productivity is improved.

The whole flat structure of cable in this structure, the structure is convenient for the orientation and is crooked, holistic elasticity is good, stable in structure, wherein including a plurality of cable cores, the cable core is twisted by the conductor and is constituteed, set up the yarn and the area that blocks water in the clearance of cable core, improve waterproof nature, the cable core is close to the setting between two liang, form the line pair, be convenient for distinguish the definition of separated time, improve wiring efficiency, outside sheath structure improves the wholeness and the elasticity of cable, play the protecting effect, wire rope can improve the holistic intensity of cable, improve the holistic stability of cable, improve toughness, solve the deformation problem of hanging for a long time.

Furthermore, the conductor is a copper conductor, the conductor is stranded into a strand by an oxygen-free copper wire, and water-blocking powder is added in the stranding process and filled in the gap of the strand. The copper conductor is twisted and molded, the strength of the wire is improved, and water-blocking powder is filled in the copper conductor, so that the moisture resistance is improved, the oxidation of the conductor is reduced, and the service life is prolonged.

Furthermore, the fire-resistant insulating layer is of a composite structure and specifically comprises a ceramic silicon rubber layer and a nylon protective layer, the ceramic silicon rubber layer is wound and formed outside the conductor, the nylon protective layer is extruded and wrapped and formed outside the ceramic silicon rubber layer, and the nylon protective layer and the ceramic silicon rubber layer are welded into a whole. The fire-resistant insulating layer mainly comprises two layers of materials, the ceramic silicon rubber layer has a good anti-combustion effect, the nylon protective layer has a good heat insulation effect, heat is reduced to be conveyed to the inside of the cable, and the stability of the conductor is guaranteed.

Furthermore, the sheath adopts low smoke zero halogen flame retardant irradiation ethylene propylene sulfide rubber, and is formed by extrusion welding, and the sheath is of an elastic flat structure. The sheath is formed by extrusion and fusion welding, so that the vulcanization forming process is reduced, the environmental pollution is reduced, the production efficiency is improved, the curing time of the low-smoke halogen-free flame-retardant irradiation vulcanized ethylene propylene rubber is short, and the low-smoke halogen-free flame-retardant irradiation vulcanized ethylene propylene rubber has good elasticity and is suitable for repeated bending change.

Further, wire rope is the constant tension and moves back the formula of turning round and twist the structure, and wire rope is parallel and the same diameter setting at the both ends of cable flat structure. The steel wire rope is formed by twisting a plurality of steel wires, a back-twist structure is adopted in the twisting process, the steel wires can rotate and revolve around the center of the steel wire rope at the same time after twisting, the rotation can cause the torsion of the steel wire rope, the torsion force of the steel wire rope is increased, the flexibility of the steel wire rope is reduced, the tightness is improved, repeated bending change cannot be adapted, the back-twist structure is pre-twisted during twisting, the final structure cannot be twisted, the tightness is reduced, the flexibility is improved, the steel wire rope adopting the structure can improve the cable strength, and the large-span wiring requirement is met.

Compared with the prior art, the utility model, have following advantage and effect: this scheme is a supporting retinue cable structure who uses in elevator, it is dampproofing to have, fire behavior is good characteristics, still have cable stable in structure simultaneously, non-deformable fracture's advantage, can adapt to the operating characteristics that the elevator operation is crooked repeatedly and hangs for a long time, the long service life of cable, can use in multiple elevator environment, it is extensive to use the scene, be fit for different target customer's demand, be favorable to developing market, improve enterprise economic benefits, help improving the efficiency of the production and processing of cable simultaneously, the productivity is improved.

Drawings

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

In the figure: 1. the cable comprises a cable core, 2, a conductor, 3, a fire-resistant insulating layer, 4, water-blocking yarns, 5, a water-blocking tape, 6, a sheath, 7, a steel wire rope, 8 and water-blocking powder.

Detailed Description

The present invention will be described in further detail by way of examples with reference to the accompanying drawings, which are illustrative of the present invention and are not intended to limit the present invention.

The utility model provides a waterproof fire-resistant pottery silicon rubber insulation express elevator retinue cable, the cable integrated into one piece is the platykurtic, is the straight line direction on the cross-section and arranges and has a plurality of cable cores 1, and cable core 1 is twisted into the type by a plurality of conductors 2, and the outside parcel of conductor 2 sets up fire-resistant insulation layer 3, and the clearance intussuseption between cable core 1 that constitutes at conductor 2 packs and is provided with the yarn 4 that blocks water to twine the parcel and block water area 5 in the outside of cable core 1, cable core 1 is close to setting up between two liang, and the outside parcel at all cable cores 1 sets up sheath 6, still sets up respectively at the both ends of cable flat structure has wire rope 7, and wire rope 7 and cable parallel arrangement, and wire rope 7's outside is wrapped up in sheath 6 by an organic whole.

The conductor 2 is a copper conductor, an oxygen-free copper wire is stranded into a strand, water-blocking powder 8 is added in the stranding process, and the water-blocking powder 8 is filled in gaps of the stranded strand.

The fire-resistant insulating layer 3 is of a composite structure and specifically comprises a ceramic silicon rubber layer and a nylon protective layer, the ceramic silicon rubber layer is wound and formed outside the conductor 2, the nylon protective layer is extruded and wrapped and formed outside the ceramic silicon rubber layer, and the nylon protective layer and the ceramic silicon rubber layer are welded into a whole.

The sheath 6 adopts low smoke zero halogen flame retardant irradiation ethylene propylene sulfide rubber, and is formed by extrusion welding, and the sheath 6 is of an elastic flat structure.

The steel wire rope 7 is of a constant-tension back-twisting type twisting structure, and the steel wire rope 7 is arranged at two ends of the flat cable structure in parallel and in the same diameter.

It is obvious to a person skilled in the art that the invention is not limited to details of the above-described exemplary embodiments, but that it can be implemented in other specific forms without departing from the spirit or essential characteristics of the invention, and that the embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. The utility model provides a waterproof fire-resistant pottery silicon rubber insulation express elevator retinue cable, the cable integrated into one piece is the platykurtic, its characterized in that: the cable comprises a plurality of cable cores (1) which are arranged in a linear direction on the cross section, wherein the cable cores (1) are formed by twisting a plurality of conductors (2), a fireproof insulating layer (3) is wrapped outside the conductors (2), water blocking yarns (4) are filled in gaps between the cable cores (1) formed by the conductors (2), water blocking tapes (5) are wound outside the cable cores (1), the cable cores (1) are arranged closely, sheaths (6) are wrapped outside all the cable cores (1), steel wire ropes (7) are arranged at two ends of a flat cable structure respectively, the steel wire ropes (7) are arranged in parallel with the cable, and the outside of the steel wire ropes (7) is integrally wrapped in the sheaths (6).

2. The waterproof and fireproof ceramic silicon rubber insulated high-speed elevator trailing cable according to claim 1, characterized in that: the conductor (2) is a copper conductor, an oxygen-free copper wire is stranded into a strand, water-blocking powder (8) is added in the stranding process, and the water-blocking powder (8) is filled in gaps of the stranded strand.

3. The waterproof and fireproof ceramic silicon rubber insulated high-speed elevator trailing cable according to claim 1, characterized in that: the fireproof insulation layer (3) is of a composite structure and specifically comprises a ceramic silicon rubber layer and a nylon protective layer, the ceramic silicon rubber layer is wound and formed outside the conductor (2), the nylon protective layer is extruded and wrapped and formed outside the ceramic silicon rubber layer, and the nylon protective layer and the ceramic silicon rubber layer are welded into a whole.

4. The waterproof and fireproof ceramic silicon rubber insulated high-speed elevator trailing cable according to claim 1, characterized in that: the sheath (6) adopts low-smoke halogen-free flame-retardant irradiation ethylene propylene sulfide rubber, and is formed by extrusion welding, and the sheath (6) is of an elastic flat structure.

5. The waterproof and fireproof ceramic silicon rubber insulated high-speed elevator trailing cable according to claim 1, characterized in that: the steel wire rope (7) is of a constant-tension back-twisting type twisting structure, and the steel wire rope (7) is arranged at two ends of the flat cable structure in parallel and in the same diameter.