Elevator traveling cable and elevator

Abstract

The utility model relates to an elevator traveling cable and an elevator. The elevator traveling cable comprises an outer sheath, and a communication unit and an electric unit which are respectively and symmetrically arranged in the outer sheath, the traveling cable is of a bilaterally symmetrical flat structure, stress is more uniform, and the tensile strength and bending resistance of the cable can be improved; the communication units and the electric units are symmetrically arranged in pairs, and the twisting direction of the wire cores of the communication units and the electric units and the twisting direction of the conductors are set, so that the internal stress of the cable is fully reduced, the stress on the two sides of the cable is further balanced, the tensile strength and the bending resistance of the cable are greatly improved, and the service life of the cable is prolonged. The service life of the cable is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to elevator cable technical field especially is an elevator with cable and elevator. BACKGROUND

[0002] The elevator with cable is the cable for connecting the elevator car and the elevator shaft in the elevator system, and it is mainly used for transmitting elevator control signals, power and communication signals, etc.

[0003] The elevator with cable is repeatedly bent and moved along with the ascending and descending elevator car in the process of use, and the existing elevator with cable cannot meet the requirement of long-time and multiple-cycle bending, has short service life and high cost. SUMMARY

[0004] Therefore, the utility model wants to solve the technical problem in prior art, that is, the elevator with cable is repeatedly bent and moved along with the ascending and descending elevator car in the process of use, and the existing elevator with cable cannot meet the requirement of long-time and multiple-cycle bending, has short service life and high cost.

[0005] To solve the above technical problem, the utility model provides an elevator with cable, which comprises,

[0006] The outer sheath is flat;

[0007] The communication unit comprises two first wire cores in a twisted pair, each of the first wire cores comprises a plurality of first conductors twisted with each other, and the twisting direction of the two first wire cores in the twisted pair is the same as that of the first conductors constituting the first wire cores.

[0008] The electric unit comprises a plurality of second wire cores twisted with each other, each of the second wire cores comprises a plurality of second conductors twisted with each other, and the twisting direction of the second wire cores twisted with each other is the same as that of the second conductors constituting the second wire cores.

[0009] In an embodiment of the utility model, two groups of tear slot groups are symmetrically arranged on the two planes of the outer sheath, each group of tear slot groups comprises two tear slots symmetrically arranged with the central axis of the outer sheath as the center, and the two tear slots are located between the communication unit and the electric unit.

[0010] In an embodiment of the utility model, the first conductor is coated with a first insulation layer, and the second conductor is coated with a second insulation layer.

[0011] In an embodiment of the utility model, the first insulation layer and the second insulation layer are both made of thermoplastic elastomer modified material.

[0012] In an embodiment of the utility model, the two first cores of the pair of twisted wires are coated with a metal braid layer, and the metal braid layer is coated with an inner protective layer.

[0013] In an embodiment of the utility model, the metal braid layer and the two first cores of the pair of twisted wires are filled with a filler.

[0014] In an embodiment of the utility model, the electric unit further comprises a central reinforcing member, and a plurality of second cores are twisted on the central reinforcing member.

[0015] In an embodiment of the utility model, the first conductor and the second conductor are both made of oxygen-free bare soft twisted copper wire.

[0016] In an embodiment of the utility model, the outer sheath is made of modified polyvinyl chloride material.

[0017] An elevator comprises the elevator traveling cable according to any one of the above.

[0018] The above technical solution of the utility model has the following advantages compared with the prior art:

[0019] The utility model relates to an elevator with a cable and an elevator, including outer sheath, communication unit and electric unit, communication unit includes two first wire cores of pair twist, and the first wire core includes a plurality of first conductor of interlaced, and the interlaced direction of two first wire cores is same with the interlaced direction of the first conductor of constituting it, and communication unit is provided with a plurality of groups and is two two symmetry with the central axis of outer sheath as center, and the interlaced direction of the first wire core of two communication units of mutual symmetry is opposite, and electric unit includes a plurality of second wire cores of interlaced, and the second wire core includes a plurality of second conductor of interlaced, and the interlaced direction of the second wire core of interlaced is same with the interlaced direction of the second conductor of constituting it, and electric unit is provided with a plurality of groups and is two two symmetry and arranges in the two sides of communication unit, and the interlaced direction of the second wire core of two electric units of mutual symmetry is opposite. The flat structure of left and right symmetry is set to cable, and the stress is more uniform, and it is favorable to promote the tensile strength and the bending performance of cable, and makes communication unit and electric unit two two symmetry arrangement, and sets the interlaced direction of the wire core of communication unit and electric unit and the interlaced direction of conductor, sufficiently reduces the stress inside cable, further makes the stress balance of both sides of cable, greatly promotes the tensile strength and the bending performance of cable, and increases the service life of cable. BRIEF DESCRIPTION OF DRAWINGS

[0020] In order to make the content of the utility model more easily be clearly understood, the following according to the specific embodiment of the utility model and combining with the drawings, the utility model is further detailed, wherein

[0021] Figure 1 It is the whole structure's schematic diagram of the elevator cable of the preferred embodiment of the utility model;

[0022] Figure 2 It is the structure schematic diagram of the communication unit of the elevator cable of the preferred embodiment of the utility model;

[0023] Figure 3 It is the structure schematic diagram of the electric unit of the elevator cable of the preferred embodiment of the utility model.

[0024] Description of the Drawings: 1, outer sheath;11, tear groove;2, communication unit;21, first wire core;211, first conductor;212, first insulating layer;22, metal braid layer;23, inner protective layer;24, filler;3, electric unit;31, second wire core;311, second conductor;312, second insulating layer;32, center reinforcing member. DETAILED DESCRIPTION

[0025] The utility model is further explained in connection with the drawings and specific embodiments, so that the person skilled in the art can better understand the utility model and can be implemented, but the embodiment is not as the limitation of the utility model. Example one

[0026] Referring to Figure 1 , Figure 2 and Figure 3 shown, the utility model discloses a kind of elevator travelling cable, comprising,

[0027] outer sheath 1, outer sheath 1 is flat;

[0028] communication unit 2, communication unit 2 includes two first wire cores 21 of pair twisting, first wire core 21 includes multiple first conductors 211 twisted with each other, and the twisting direction of two first wire cores 21 of pair twisting is same with the twisting direction of first conductor 211 comprising it;Communication unit 2 is provided with multiple groups, multiple groups of communication unit 2 are parallelly arranged in it along the width direction of outer sheath 1, and multiple groups of communication unit 2 are symmetric with each other with the central axis of outer sheath 1 as center, and the twisting direction of first wire core 21 of two communication units 2 symmetric with each other is opposite;

[0029] electric unit 3, electric unit 3 includes multiple second wire cores 31 twisted with each other, and second wire core 31 includes multiple second conductors 311 twisted with each other, and the twisting direction of second wire core 31 twisted with each other is same with the twisting direction of second conductor 311 comprising it;Electric unit 3 is provided with multiple groups, multiple groups of electric unit 3 are parallelly arranged in it along the width direction of outer sheath 1, and multiple groups of electric unit 3 are symmetrically arranged on both sides of communication unit 2, and the twisting direction of second wire core 31 of two electric units 3 symmetric with each other is opposite.

[0030] Specifically, multiple communication units 2 and multiple electric units 3 are symmetrically arranged with the central axis of outer sheath 1 as symmetric center, so that the whole cable is left-right symmetric structure, stress is more uniform, which is beneficial to improve the tensile strength and bending performance of cable;And make communication unit 2 and electric unit 3 symmetrically arranged, so that the twisting direction of wire core (i.e. first wire core 21 and second wire core 31) of two communication units 2 symmetric with each other and two electric units 3 symmetric with each other is opposite, while the twisting direction of wire core twisted with each other is consistent with the twisting direction of conductor (i.e. first conductor 211 and second conductor 311) comprising it, which can sufficiently reduce the stress inside cable, further make the stress of both sides of cable balanced, greatly improve the tensile strength and bending performance of cable, increase the service life of cable.

[0031] Specifically, in the embodiment, the communication unit 2 is provided with two groups, and the electrical unit 3 is provided with six groups. Taking the front view of the cross section of the cable as the reference, the two communication units 2 are horizontally symmetrically arranged, and the six electrical units 3 are horizontally symmetrically arranged on the left and right sides of the communication unit 2. From left to right, the twisting directions of the wire cores of the two communication units 2 are S direction and Z direction respectively, and the conductor twisting directions of the wire cores of the two communication units 2 are corresponding S direction and Z direction respectively. From left to right, the twisting directions of the wire cores of the six electrical units 3 are Z direction, S direction, Z direction, S direction, Z direction and S direction respectively, and the conductor twisting directions of the wire cores of the six electrical units 3 are Z direction, S direction, Z direction, S direction, Z direction and S direction respectively.

[0032] Referring to Figure 1 Further, as shown in the figure, two groups of tear groove groups are symmetrically arranged on the two planes of the outer sheath 1, each group of tear groove groups includes two tear grooves 11 symmetrically arranged with the central axis of the outer sheath 1 as the center, and the two tear grooves 11 are located between the communication unit 2 and the electrical unit 3. The cable can be easily torn apart and the communication unit 2 and the electrical unit 3 can be separated through the tear groove 11, which is convenient for the operator to operate and improves the work efficiency.

[0033] Referring to Figure 2 and Figure 3 Further, as shown in the figure, the first conductors 211 are each coated with a first insulating layer 212, and the second conductors 311 each include a second insulating layer 312.

[0034] Further, the first insulating layer 212 and the second insulating layer 312 are each made of a soft thermoplastic elastomer modified material. The insulating layer (the first insulating layer 212 and the second insulating layer 312) can protect the conductors and make the cable soft enough to meet the bending requirements in a narrow space.

[0035] Further, the two first wire cores 21 of the twisted pair are coated with a metal braid layer 22, and the metal braid layer 22 is coated with an inner protective layer 23. Specifically, the metal braid layer 22 can protect the internal structure, and the metal braid layer 22 can also improve the anti-electromagnetic interference capability of the cable, which is conducive to the stable operation of the cable.

[0036] Further, a filler 24 is filled between the metal braid layer 22 and the two first wire cores 21 of the twisted pair. The filler 24 can fill the gap between the metal braid layer 22 and the first wire core 21, make the entire communication unit 2 more rounded, and improve the tensile strength of the communication unit 2 and the entire cable.

[0037] Further, the electrical unit 3 further includes a central reinforcing member 32, and the plurality of second wire cores 31 are twisted on the central reinforcing member 32. The central reinforcing member 32 can improve the tensile strength of the electrical unit 3 and the entire cable.

[0038] Further, the first conductor 211 and the second conductor 311 are both made of oxygen-free bare soft twisted copper wire.

[0039] Further, the outer sheath 1 is made of super-soft modified polyvinyl chloride material, which has superior strength and softness and can meet the working requirements of frequent bending of the cable. Embodiment Two

[0040] The utility model discloses still a kind of elevator, including the elevator travelling cable of example one as above.

[0041] Obviously, the above embodiments are only examples for clearly illustrating, and are not limited to the implementation. For ordinary skilled in the art, other different forms of changes or variations can be made on the basis of the above description. Here, all the implementation is not required and cannot be exhausted. The obvious changes or variations derived therefrom are still within the protection scope of the utility model creation.

Claims

1. An elevator traveling cable, characterized by The utility model relates to an elevator running cable, comprising: an outer sheath in a flat shape; a communication unit comprising two first cores in a twisted pair, each of the first cores comprising a plurality of first conductors twisted with each other, the two first cores in the twisted pair having the same twisting direction as the first conductors; an electrical unit comprising a plurality of second cores twisted with each other, each of the second cores comprising a plurality of second conductors twisted with each other, the second cores having the same twisting direction as the second conductors.

2. The elevator traveling cable of claim 1, wherein: The outer sheath is symmetrically provided with two groups of tear groove groups on two planes thereof, each of the tear groove groups comprising two tear grooves symmetrically provided with respect to the central axis of the outer sheath, and the two tear grooves being located between the communication unit and the electrical unit.

3. The elevator traveling cable of claim 1, wherein: The first conductors are each coated with a first insulating layer, and the second conductors are each coated with a second insulating layer.

4. The elevator traveling cable of claim 3, wherein: The first and second insulating layers are each made of a thermoplastic elastomer modified material.

5. The elevator traveling cable of claim 1, wherein: The two first cores in the twisted pair are coated with a metal braid layer, and the metal braid layer is coated with an inner sheath.

6. The elevator traveling cable of claim 5, wherein: A filler is filled between the metal braid layer and the two first cores in the twisted pair.

7. The elevator traveling cable of claim 1, wherein: The electrical unit further comprises a central reinforcing member, and the plurality of second cores are twisted on the central reinforcing member.

8. The elevator traveling cable of claim 1, wherein: The first and second conductors are each made of oxygen-free bare soft complex copper wire.

9. The elevator traveling cable of claim 1, wherein: The outer sheath is made of modified polyvinyl chloride material.

10. An elevator characterized by: The utility model further relates to an elevator comprising the elevator running cable.

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