CN220381815U

CN220381815U - Elevator trailing cable

Info

Publication number: CN220381815U
Application number: CN202321394813.4U
Authority: CN
Inventors: 赵梦淑; 姚云华; 钱亮
Original assignee: Shanghai Hailing Intelligent Elevator Technology Co ltd
Current assignee: Shanghai Hailing Intelligent Elevator Technology Co ltd
Priority date: 2023-06-02
Filing date: 2023-06-02
Publication date: 2024-01-23
Anticipated expiration: 2033-06-02

Abstract

The utility model discloses a medium-high speed elevator trailing cable, which comprises: the cable sheath, first power core module, second power core module, a plurality of shielding core and a plurality of enhancement core, the cable sheath is the platykurtic setting along the cross-section of vertical direction, the upper surface and the lower surface of cable sheath symmetry respectively are provided with a plurality of triangle-shaped recesses, a plurality of triangle-shaped recesses all extend along the length direction of cable sheath and set up, first power core module and second power core module are installed respectively in cable sheath's both ends, a plurality of enhancement cores all set up between first power core module and second power core module, a plurality of shielding core all set up between two enhancement cores that are close to each other. Through the application of the utility model, the utility model provides the medium-high speed elevator trailing cable, and the cable sheath is internally provided with the plurality of power supply cores and the plurality of reinforcing cores, so that the cable is prevented from being broken after being frequently bent, the signal transmission is more stable, and the service life is longer.

Description

Elevator trailing cable

Technical Field

The utility model relates to the technical field of cables, in particular to a medium-high speed elevator trailing cable.

Background

In recent years, along with the continuous increase of the foundation construction force of China, high-rise buildings are continuously emerging, the demand of elevators is rapidly increased, along with the increase of the functional demands of elevators, signal wires, video screen wires and network wires in elevator trailing cables are widely applied, and at present, the trailing elevator cables mostly adopt a single strand soft copper wire structure, but after frequent bending, conductors are easily broken, signal transmission is unstable, and the service life is short.

Disclosure of Invention

In view of the above, an object of the present utility model is to provide a medium-high speed elevator trailing cable comprising:

the cable sheath, first power core module, second power core module, a plurality of shielding core and a plurality of enhancement core, the cable sheath is the platykurtic setting along the cross-section of vertical direction, cable sheath's upper surface and lower surface symmetry respectively are provided with a plurality of triangle-shaped recesses, and is a plurality of the triangle-shaped recess is all followed cable sheath's length direction extends the setting, first power core module with second power core module install respectively in cable sheath's both ends, a plurality of the enhancement core all set up in first power core module with between the second power core module, a plurality of shielding core all sets up in two that are close to each other between the enhancement core.

In another preferred embodiment, the first power core module and the second power core module each include: the power line comprises a plurality of power line cores, wherein each power line core comprises a plurality of power line conductors and a first sheath, the outer wall of each power line conductor is coated with an insulating layer, the plurality of power line conductors are sleeved in the first sheath, and the first sheath is filled with filler.

In another preferred embodiment, the filler is arranged in a strip shape, and the filler is arranged among a plurality of the power line conductors.

In another preferred embodiment, the filler is made of a halogen-free low-smoke flame-retardant material, the insulating layer is made of a halogen-free low-smoke flame-retardant irradiation crosslinked polyolefin insulating material, and the first sheath is made of a halogen-free low-smoke flame-retardant coated glass fiber material.

In another preferred embodiment, each of the shielding cores includes: the novel shielding wire comprises a plurality of shielding wire conductors, shielding wire filling strips, drainage lines, a second sheath and a third sheath, wherein each shielding wire conductor is sleeved with an insulating sleeve on the outer wall, the shielding wire conductors, the shielding wire filling strips and the drainage lines are sleeved in the second sheath, and the second sheath is sleeved in the third sheath.

In another preferred embodiment, the insulating sleeve is made of polyethylene material, the shielding wire filling strip, the drainage wire and the third sheath are all made of halogen-free low-smoke flame-retardant material, and the second sheath is made of oxygen-free copper material.

In another preferred embodiment, each of the reinforcing cores is a tension bar.

By adopting the technical scheme, the utility model has the positive effects compared with the prior art that: through the application of the utility model, the utility model provides the medium-high speed elevator trailing cable, and the cable sheath is internally provided with the plurality of power supply cores and the plurality of reinforcing cores, so that the cable is prevented from being broken after being frequently bent, the signal transmission is more stable, and the service life is longer.

Drawings

Fig. 1 is a schematic cross-sectional view of a medium and high speed elevator trailing cable of the present utility model.

In the accompanying drawings: 1. a cable sheath; 2. a power supply core; 3. shielding a wire core; 4. a reinforcing core; 5. triangular grooves; 6. a power line conductor; 7. a first sheath; 8. a filler; 9. shielding a wire conductor; 10. a shielded wire filler strip; 11. drainage lines; 12. a second sheath; 13. and a third sheath.

Detailed Description

The utility model is further described below with reference to the drawings and specific examples, which are not intended to be limiting.

As shown in fig. 1, there is shown a medium and high speed elevator trailing cable of a preferred embodiment, comprising:

the cable sheath 1, first power core module, the second power core module, a plurality of shielding core 3 and a plurality of enhancement core 4, the cross-section of cable sheath 1 along vertical direction is the platykurtic setting, the upper surface and the lower surface of cable sheath 1 symmetry respectively are provided with a plurality of triangle-shaped recesses 5, a plurality of triangle-shaped recesses 5 all extend along the length direction of cable sheath 1 and set up, first power core module and second power core module are installed respectively in cable sheath 1's both ends, a plurality of enhancement core 4 all set up between first power core module and second power core module, a plurality of shielding core 3 all set up between two enhancement cores 4 that are close to each other.

In the actual use process, the cable jacket is arranged on corresponding equipment, and the power supply wire cores 2 and the shielding wire cores 3 are respectively connected with corresponding parts.

Further, as a preferred embodiment, the first power core module and the second power core module each include: the power supply wire comprises a plurality of power supply wire cores 2, wherein each power supply wire core 2 comprises a plurality of power supply wire conductors 6 and a first sheath 7, the outer wall of each power supply wire conductor 6 is coated with an insulating layer, the plurality of power supply wire conductors 6 are sleeved in the first sheath 7, and the first sheath 7 is filled with a filler 8.

Further, as a preferred embodiment, the filler 8 is arranged in a long strip shape, and the filler 8 is arranged between the power line conductors 6. Further, the filler 8 is arranged in a strip shape, and the filler 8 is arranged among the power line conductors 6 to enable the power line core 2 to be more round.

Further, as a preferred embodiment, the filler 8 is made of a halogen-free low-smoke flame-retardant material, the insulating layer is made of a halogen-free low-smoke flame-retardant irradiation crosslinked polyolefin insulating material, and the first sheath 7 is made of a halogen-free low-smoke flame-retardant coated glass fiber material. Further, the filler 8 is made of halogen-free low-smoke flame-retardant materials, the flame-retardant effect is good, the insulating layer is made of halogen-free low-smoke flame-retardant irradiation crosslinked polyolefin insulating materials, the service life is longer, the overload capacity is better, the first sheath 7 is made of halogen-free low-smoke flame-retardant coating glass fiber materials, and the heat insulation, protection, wear resistance, corrosion resistance, heat preservation and other performances are better.

Further, as a preferred embodiment, each of the shielded cores 3 includes: the shielding wire conductors 9, the shielding wire filling strips 10, the drainage lines 11, the second sheath 12 and the third sheath 13 are sleeved on the outer wall of each shielding wire conductor 9, the shielding wire conductors 9, the shielding wire filling strips 10 and the drainage lines 11 are sleeved in the second sheath 12, and the second sheath 12 is sleeved in the third sheath 13.

Further, as a preferred embodiment, the insulating sleeve is made of polyethylene material, the shielding wire filling strip 10, the drainage wire 11 and the third sheath 13 are all made of halogen-free low-smoke flame-retardant material, and the second sheath 12 is made of oxygen-free copper material. Further, the second protective sleeve is formed by weaving a plurality of oxygen-free copper wires, so that interference of an external interference source to the trailing cable is prevented, and interference of the trailing cable to other circuits is avoided.

Further, as a preferred embodiment, each reinforcing core 4 is a tension reinforcement.

The present utility model has the following embodiments based on the above description:

in a further embodiment of the utility model, the number of reinforcing cores 4 is two. Further, the number of the reinforcing cores 4 is two, the weight of the trailing cable is reduced, the reinforcing cores are symmetrically distributed in the cable sheath 1, the stress is better, and the overall strength of the trailing cable is improved.

The foregoing description is only illustrative of the preferred embodiments of the present utility model and is not to be construed as limiting the scope of the utility model, and it will be appreciated by those skilled in the art that equivalent substitutions and obvious variations may be made using the description and illustrations of the present utility model, and are intended to be included within the scope of the present utility model.

Claims

1. A medium and high speed elevator trailing cable comprising:

2. The medium and high speed elevator trailing cable of claim 1, wherein the first power core module and the second power core module each comprise: the power line comprises a plurality of power line cores, wherein each power line core comprises a plurality of power line conductors and a first sheath, the outer wall of each power line conductor is coated with an insulating layer, the plurality of power line conductors are sleeved in the first sheath, and the first sheath is filled with filler.

3. The medium and high speed elevator trailing cable according to claim 2, wherein the filler is provided in a strip shape, the filler being provided between a plurality of the power line conductors.

4. The medium-high speed elevator trailing cable according to claim 2, wherein the filler is made of a halogen-free low-smoke flame-retardant material, the insulating layer is made of a halogen-free low-smoke flame-retardant irradiation crosslinked polyolefin insulating material, and the first sheath is made of a halogen-free low-smoke flame-retardant coated glass fiber material.

5. The medium and high speed elevator trailing cable of claim 1, wherein each of the shielded wire cores comprises: the novel shielding wire comprises a plurality of shielding wire conductors, shielding wire filling strips, drainage lines, a second sheath and a third sheath, wherein each shielding wire conductor is sleeved with an insulating sleeve on the outer wall, the shielding wire conductors, the shielding wire filling strips and the drainage lines are sleeved in the second sheath, and the second sheath is sleeved in the third sheath.

6. The medium-high speed elevator trailing cable according to claim 5, wherein the insulating sleeve is made of polyethylene material, the shielding wire filling strip, the drainage wire and the third sheath are all made of halogen-free low-smoke flame-retardant material, and the second sheath is made of oxygen-free copper material.

7. The medium and high speed elevator trailing cable of claim 1 wherein each of the reinforcing cores is a tension bar.