CN204926841U - Elevator private cable - Google Patents
Elevator private cable Download PDFInfo
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- CN204926841U CN204926841U CN201520615539.8U CN201520615539U CN204926841U CN 204926841 U CN204926841 U CN 204926841U CN 201520615539 U CN201520615539 U CN 201520615539U CN 204926841 U CN204926841 U CN 204926841U
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Abstract
The utility model relates to a cable field especially relates to an elevator private cable. The utility model provides a pair of elevator private cable has solved among the prior art cable oil resistivity and the poor technical problem of fire resistance for the elevator. Compared with the prior art, be equipped with a plurality of sinle silk units and a plurality of flexible tensile silk parallel with the sinle silk unit in the resistant oily lag, the sinle silk unit is by outer extremely interior anti -electromagnetic interference shielding layer, fire -retardant layer and a plurality of sinle silk body of including in proper order, the sinle silk body includes the insulating layer and sets up at insulating intraformational conductor, it has the obturator to fill between insulating layer and the fire -retardant layer, constitute through the aforesaid, resistant oily lag makes the cable can steady in a long -termly work under the grease environment, greatly increased the reliability and the security of elevator use, the cable has fire -retardant layer, can make the cable continue steady operation no. 1 under the circumstances that the conflagration breaks out and fix time to give people more chances of fleing.
Description
Technical field
The utility model relates to field of cables, particularly relates to a kind of elevator private cable.
Background technology
Along with the generalization of high residential building and the centralization of warehouse logistics, increasing passenger-goods lift enters into the life of people, work and the production visual field, so as the cable for elevator providing electric energy and signal for passenger-goods lift, its demand is also increasing.
Cable for elevator of the prior art, its number of bends is limited, so useful life is relatively undesirable, the present residential district designing requirement generally will reach 70 years, and often can not meet its instructions for use the useful life of common cable for elevator; Meanwhile, under some particular surroundingss, elevator and lift are in use often along with a series of destabilizing factor, and as the leakage of lubricant grease in running process of elevator, the generation etc. of fire, this just has higher requirement to cable for elevator; Therefore, there is the deficiency of oil resistance, poor fire in cable for elevator of the prior art.
Summary of the invention
A kind of elevator private cable that the utility model provides, is intended to overcome the deficiency of cable for elevator oil resistance and poor fire in prior art.
In order to solve the problems of the technologies described above, the utility model adopts following technical scheme: a kind of elevator private cable, comprise oil resistant protective jacket, some core unit and some flexible tension silks parallel with core unit is provided with in described oil resistant protective jacket, described core unit comprises anti-electromagnetic interference shielding layer, flame-retardant layer and some core bodies from outside to inside successively, described core body comprises insulating barrier and is arranged on the conductor in insulating barrier, is filled with obturator between described insulating barrier and flame-retardant layer.Oil resistant protective jacket plays the effect of resistance to greasy dirt in concrete use, extends the useful life of cable for elevator; In addition, flame-retardant layer has fire-retardant function, and during breaking out of fire, cable is not easily on fire, is beneficial to personnel escape; And the obturator between flame-retardant layer and insulating barrier, play the effect of Support Level core body, and, by arranging obturator, can make around core unit rounding, improve the bending number of times of cable for elevator.
Obturator can be: described obturator is fire-retardant yarn.Obturator is set to fire-retardant yarn, improves the fire resistance of cable for elevator.
Obturator can also be: described obturator is the waterproofing rope twisted together.Improve the water resistance of cable for elevator.
Cable is corroded in order to avoid greasy dirt accumulates on cable, described oil resistant protective jacket is provided with some long-pending oil grooves, the shape of cross section of described long-pending oil groove is V-arrangement, described long-pending oil groove is parallel with core unit, described oil resistant protective jacket is provided with the outage running through oil resistant protective jacket, and described outage communicates with long-pending oil groove.Greasy dirt drops on after on cable, can converge in rapidly in long-pending oil groove, and then discharge through outage, therefore, greasy dirt can not accumulate on cable for a long time, improves the oil resistance of cable for elevator.
The core unit being positioned at oil resistant protective jacket is divided into several core groups, includes at least two core unit in each core group, is provided with fire-retardant muscle between adjacent two core groups.Core unit is divided into several core groups, different classes of core can be avoided mutually to disturb; In addition, by arranging fire-retardant muscle between adjacent two core groups, the fire resistance of cable for elevator is substantially increased.
In order to optimize the flexibility of cable for elevator, described fire-retardant muscle is that circular fire-retardant silk rearranges by some sliver transvers section shapes.
Described long-pending oil groove is between adjacent two core groups.Avoid owing to offering long-pending oil groove on oil resistant protective jacket, and cause the barrier propterty of oil resistant protective jacket to be deteriorated.
Described flexible tension silk comprises some alloy-steel wires twisted together, and the diameter of described alloy-steel wire is 0.2 millimeter to 0.5 millimeter.Improve the flexibility of flexible tension silk.
The shielding silk ribbon of described anti-electromagnetic interference shielding layer for being woven together.Optimize the softness of anti-electromagnetic interference shielding layer, make cable for elevator have better bending performance.
Described conductor is wrapped with polyester belt, and described polyester belt is wrapped on conductor.Extend the useful life of core body.
Compared with prior art, a kind of elevator private cable that the utility model provides, some core unit and some flexible tension silks parallel with core unit is provided with in oil resistant protective jacket, described core unit comprises anti-electromagnetic interference shielding layer, flame-retardant layer and some core bodies from outside to inside successively, described core body comprises insulating barrier and is arranged on the conductor in insulating barrier, is filled with obturator between described insulating barrier and flame-retardant layer; By above-mentioned formation, tool has the following advantages: cable for elevator has more soft characteristic, greatly can improve number of bends, the useful life of cable; And consider that elevator and elevator system operation may exist the technical problem of lubricant grease leakage, specially devise oil resistant protective jacket, oil resistant protective jacket makes cable can long-term stable operation under grease environment, considerably increases reliability and the fail safe of elevator use procedure; Cable has flame-retardant layer, and cable can be made in the event of a fire to continue stable operation certain hour, thus more to escape chance to people;
In addition, be positioned at the long-pending oil groove on oil resistant overcoat and outage, the greasy dirt accumulated on cable discharged rapidly, extends the useful life of cable further.
Accompanying drawing explanation
Accompanying drawing 1 is the front view of a kind of elevator private cable of the utility model embodiment one,
Accompanying drawing 2 is A place enlarged drawings in accompanying drawing 1,
Accompanying drawing 3 is front views of a kind of elevator private cable of the utility model embodiment two.
Embodiment
Embodiment one
Below in conjunction with accompanying drawing, a kind of elevator private cable of the present utility model is described further.As shown in Figure 1 and Figure 2, a kind of elevator private cable, comprise oil resistant protective jacket 1, some core unit 2 and some flexible tension silks 3 parallel with core unit 2 is provided with in described oil resistant protective jacket 1, the core unit 2 being positioned at oil resistant protective jacket 1 is divided into several core groups 4, include at least two core unit 2 in each core group 4, the quantity of the core unit 2 that each core group 4 comprises can equal also can be unequal; When core unit 2 quantity that each core group 4 comprises is unequal, the quantity of two core group 4 center line core units 2 can not have big difference, and in general, the quantity difference of two core group 4 center line core units 2 should not be greater than 5;
See Fig. 2, described core unit 2 comprises anti-electromagnetic interference shielding layer 21, flame-retardant layer 22 and some core bodies 23 from outside to inside successively, the conductor 25 that described core body 23 comprises insulating barrier 24 and is arranged in insulating barrier 24;
See Fig. 2, between described insulating barrier 24 and flame-retardant layer 22, be filled with obturator 26.Described obturator 26 can be fire-retardant yarn, and described obturator 26 also can for the waterproofing rope twisted together; Can choose reasonable as required when specific design, time as drier in elevator position, obturator 26 should be set to fire-retardant yarn; When elevator position is moister, obturator 26 should be set to waterproofing rope, certainly, this obturator 26 can be also the material that existing waterproofing rope has again fire-retardant yarn, that is fire-retardant yarn and waterproofing rope is twisted together, and then fills.
When specifically using, cable for elevator plays the effect to elevator supply or signal transmission, and lift car can move up and down, therefore, cable is just needed to bend continually, launch, therefore, cable for elevator should have good bendable folding endurance and flexibility, and cable for elevator may run into various special circumstances in Long-Time Service process: as greasy dirt, fire, water logging etc., and in order to make cable have good serviceability, flame-retardant layer 22 and oil resistant protective jacket 1 can reduce fire effectively, greasy dirt is on the impact of cable serviceability, in addition, the obturator 26 be filled between insulating barrier 24 and flame-retardant layer 22 also can reduce greasy dirt, fire, water etc. are on the impact of cable serviceability.
Embodiment two
The execution mode of one in conjunction with the embodiments, see Fig. 3, described oil resistant protective jacket 1 is provided with some long-pending oil grooves 101, this long-pending oil groove 101 is between adjacent two core groups 4, the shape of cross section of described long-pending oil groove 101 is V-arrangement, the shape of cross section of described long-pending oil groove 101 also can be U-shaped or semicircle etc.
In order to reduce long-pending oil groove 101 to the impact of oil resistant protective jacket 1 performance, see Fig. 3, described long-pending oil groove 101 is parallel with core unit 2, and described oil resistant protective jacket 1 is provided with the outage 102 running through oil resistant protective jacket 1, and described outage 102 communicates with long-pending oil groove 101.
In order to improve the fire resistance of cable further, see Fig. 3, fire-retardant muscle 5 is provided with between adjacent two core groups 4, described fire-retardant muscle 5 is that circular fire-retardant silk 51 rearranges by some sliver transvers section shapes, in the both sides being positioned at outage 102, fire-retardant muscle 5 all can be set, that is, be provided with two fire-retardant muscle 5 between adjacent two core groups 4, and outage 102 is between two fire-retardant muscle 5.The program can in conjunction with the embodiments one also can in conjunction with the embodiments two.
In conjunction with the embodiments one and embodiment two, introduce the concrete formation of each structure in cable for elevator below in detail:
Described flexible tension silk 3 comprises some alloy-steel wires twisted together, and the diameter of described alloy-steel wire is 0.2 millimeter to 0.5 millimeter, and the diameter as alloy-steel wire is 0.2 millimeter, 0.3 millimeter, 0.4 millimeter, 0.5 millimeter etc.;
In order to improve the flexibility of cable, conductor 25 can adopt the 6th class conductor 25 structure in GB/T3956-2008, conductor 25 for small bore (being less than or equal to 0.5 square millimeter) generally adopts once bundle strand to form, and generally first carry out strand bundle strand for the conductor 25 of heavy in section (being greater than 0.5 square millimeter), then carry out the production technology that strand twists again and produce;
During core unit 2 stranding, obturator 26 between insulating barrier 24 and flame-retardant layer 22, should be adopted to fill rounding, closely knit;
The high flame retardant band double-layer overlapping that flame-retardant layer 22 adopts oxygen index to be greater than 50 is entwined, and the rate of putting up is not less than 30%.
The shielding silk ribbon of anti-electromagnetic interference shielding layer 21 for being woven together; Can adopt electrician with circular copper wire braiding form, metal tape is entwined, semi-conductive shielding material is formed, wherein employing weaving manner time count be not less than 85%; If when shielding silk ribbon is aluminium foil, the outer placement one of core body 23 0.5mm should be not less than online
2bundle close conductor 25, its objective is the interference preventing external electromagnetic signal to cable current, affect the stability of apparatus for controlling elevator, reliability.
Oil resistant protective jacket 1 adopts environmental protection to add soft oil resistant plastics or rubber material is made, and can improve the fuel tolerance capability of cable, greatly improves reliability and the fail safe of cable.
These are only the preferred embodiment of the present invention, being intended to embody outstanding technique effect of the present invention and advantage, is not the restriction to technical scheme of the present invention.The present invention improves fireproofing of cable and oil resistance by flame-retardant layer 22 and oil resistant protective jacket 1, and makes cable have good resistance to bending performance;
Those skilled in the art it should be understood that, all amendments made based on the technology of the present invention content, change or substitute technology feature, as the change etc. of order inside and outside each structure in center line core unit 2 of the present invention, all should be covered by the technology category of claims of the present invention opinion.
Claims (10)
1. an elevator private cable, it is characterized in that: comprise oil resistant protective jacket (1), some core unit (2) and some flexible tension silks (3) parallel with core unit (2) is provided with in described oil resistant protective jacket (1), described core unit (2) comprises anti-electromagnetic interference shielding layer (21) from outside to inside successively, flame-retardant layer (22) and some core bodies (23), described core body (23) comprises insulating barrier (24) and is arranged on the conductor (25) in insulating barrier (24), obturator (26) is filled with between described insulating barrier (24) and flame-retardant layer (22).
2. a kind of elevator private cable according to claim 1, is characterized in that: described obturator (26) is fire-retardant yarn.
3. a kind of elevator private cable according to claim 1, is characterized in that: described obturator (26) waterproofing rope for twisting together.
4. a kind of elevator private cable according to Claim 1-3 any one, it is characterized in that: described oil resistant protective jacket (1) is provided with some long-pending oil grooves (101), the shape of cross section of described long-pending oil groove (101) is V-arrangement, described long-pending oil groove (101) is parallel with core unit (2), described oil resistant protective jacket (1) is provided with the outage (102) running through oil resistant protective jacket (1), and described outage (102) communicates with long-pending oil groove (101).
5. a kind of elevator private cable according to claim 4, it is characterized in that: the core unit (2) being positioned at oil resistant protective jacket (1) is divided into several core groups (4), include at least two core unit (2) in each core group (4), between adjacent two core groups (4), be provided with fire-retardant muscle (5).
6. a kind of elevator private cable according to claim 5, is characterized in that: described fire-retardant muscle (5) is that circular fire-retardant silk (51) rearranges by some sliver transvers section shapes.
7. a kind of elevator private cable according to claim 6, is characterized in that: described long-pending oil groove (101) is positioned between adjacent two core groups (4).
8. a kind of elevator private cable according to claim 1, is characterized in that: described flexible tension silk (3) comprises some alloy-steel wires twisted together, and the diameter of described alloy-steel wire is 0.2 millimeter to 0.5 millimeter.
9. a kind of elevator private cable according to claim 1, is characterized in that: the shielding silk ribbon of described anti-electromagnetic interference shielding layer (21) for being woven together.
10. a kind of elevator private cable according to claim 1, it is characterized in that: described conductor (25) is wrapped with polyester belt, described polyester belt is wrapped on conductor (25).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520615539.8U CN204926841U (en) | 2015-08-14 | 2015-08-14 | Elevator private cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201520615539.8U CN204926841U (en) | 2015-08-14 | 2015-08-14 | Elevator private cable |
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| Publication Number | Publication Date |
|---|---|
| CN204926841U true CN204926841U (en) | 2015-12-30 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201520615539.8U Active CN204926841U (en) | 2015-08-14 | 2015-08-14 | Elevator private cable |
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| CN (1) | CN204926841U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106571186A (en) * | 2016-11-09 | 2017-04-19 | 成都聚立汇信科技有限公司 | Waterproof and fireproof cable structure |
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2015
- 2015-08-14 CN CN201520615539.8U patent/CN204926841U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106571186A (en) * | 2016-11-09 | 2017-04-19 | 成都聚立汇信科技有限公司 | Waterproof and fireproof cable structure |
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