CN204695853U

CN204695853U - The cable that a kind of environmental protection compression strength is high

Info

Publication number: CN204695853U
Application number: CN201520447299.5U
Authority: CN
Inventors: 黄浩
Original assignee: Individual
Current assignee: Individual
Priority date: 2015-06-27
Filing date: 2015-06-27
Publication date: 2015-10-07
Anticipated expiration: 2025-06-27

Abstract

The utility model discloses the cable that a kind of environmental protection compression strength is high, comprise reinforcement inner core, power cable, packed layer, wrapped belt, oxygen barrier layer, steel belt layer, inner restrictive coating, steel wire armor layer, greasy for preventing water layer, external sheath layer, braid, equadag coating, the center-filled of described packed layer has reinforcement inner core, the outer ring of described reinforcement inner core is circumferentially distributed with four power cables, described packed layer is disposed with wrapped belt from inside to outside, oxygen barrier layer, steel belt layer, inner restrictive coating, steel wire armor layer, greasy for preventing water layer, external sheath layer, braid and equadag coating.This cable improves the fire-retardant rank of this cable by being provided with oxygen barrier layer, steel belt layer and wrapped belt; the arranging of equadag coating can prevent cable to be in operation the infringement of induced electromotive force to cable; cable can be protected well; this cable has that good resistance to water, fire line, intensity are high, anti-deformation, long service life and resistant to elevated temperatures feature; and during the recovery of this cable, utilize environmental protection.

Description

The cable that a kind of environmental protection compression strength is high

Technical field

The utility model relates to cable designs technical field, is specially the cable that a kind of environmental protection compression strength is high.

Background technology

Along with the develop rapidly of China's economy, the skyscraper, subway, nuclear power station, shipbuilding industry, optoelectronic communication etc. of China develop at a speed unheard of before especially, and the consumption of electric wire also increases rapidly thereupon.Power cable is a kind of cable for transmitting and distribute electric energy, has a wide range of applications in communication, all trades and professions such as civilian.

The power cable insulation material that open market is sold adopts common PVC, external intensity poor performance, work as bearing great current, during high-tension work, external insulation easily deforms, even puncture, insulation property are affected, electric power transfer effect may be affected after working long hours, even there is security incident, existing cable still can not realize high bending durability and high pliability simultaneously, and exist not environmentally, etc. shortcoming, so how to design a kind of high strength, environment-friendly cable is the problem needing to solve, if Chinese Patent Application No. is that CN201110376167.4 proposes a kind of cable, comprise the conductor that multiply tinned copper wire is twisted into, the outer wrapping insulation layer of conductor forms wire, wire and the stranded formation electric-cable core of polypropylene packed layer, the outer coated thermal insulation layer successively from the inside to the outside of cable core, sheath, proof copper-wire braided screen and oversheath, the utility model is simple, production cost is low, long service life, good physical performance, good flame retardation effect, but adopt polypropylene material owing to adopting this kind of cable, when the light transmittance sent when polypropylene burns is below 1 15, release a lot of toxic gases during burning simultaneously, be unfavorable for environmental protection, and cable is generally all embedded in soil, the destruction of the mechanical external forces such as excavator is very easily suffered in road trimming or when again constructing, high bending durability is not only required at the cable in this case used being subject to outside destroy, and from the view point of easily carrying out distribution, also high pliability is required, the cable of this kind still can not realize high bending durability and high pliability simultaneously, thus reduce the environmental suitability of cable.

Utility model content

The purpose of this utility model is the cable providing a kind of environmental protection compression strength high, to solve the problem proposed in above-mentioned background technology.

For achieving the above object, the utility model provides following technical scheme: the cable that a kind of environmental protection compression strength is high, comprise reinforcement inner core, power cable, packed layer, wrapped belt, oxygen barrier layer, steel belt layer, inner restrictive coating, steel wire armor layer, greasy for preventing water layer, external sheath layer, braid, equadag coating, the center-filled of described packed layer has reinforcement inner core, the outer ring of described reinforcement inner core is circumferentially distributed with four power cables, the outer wrap of described packed layer wrapped belt, described wrapped belt is the lap wound belting layer be bonded by alkali-free glass wool base band and hydroxide hydrate, the outer wrap of described wrapped belt oxygen barrier layer, described oxygen barrier layer is olefin polymer is base, the blended macromolecular compound of hydroxide hydrate is added by coupling agent, the outer wrap of described oxygen barrier layer steel belt layer, described steel belt layer is that the wrapped galvanized steel strip of Double-layer gap forms, the outer wrap of described steel belt layer has inner restrictive coating, the outside sub-thread of described inner restrictive coating revolves strand steel wire armor layer, described steel wire armor layer adopts galvanized steel bar filament winding bag to form, the outside of described steel wire armor layer is also provided with external sheath layer, described greasy for preventing water layer is filled in the space left between steel wire armor layer and external sheath layer, described greasy for preventing water layer is by basic ointment component, expanding material component and additive are formed, and expanding material is the super absorbent resin of synthesis, the outside of described external sheath layer is coated with braid, described braid is the metal screen layer of braided steel wire, the outside of described braid is coated with equadag coating, described equadag coating is the coating mixed by graphite and functional agent, functional agent can be adhesive, colouring agent or pest repellant, described power cable also comprises conductor, semiconductor, insulating barrier and flame-retardant layer, described conductor is arranged on power cable innermost layer, described semiconductor, insulating barrier and flame-retardant layer are wrapped in the outside of conductor from inside to outside successively, wherein, described flame-retardant layer is ceramic silicon rubber refractory material.

Preferably, also alkali-free glass fiber cloth is filled with in the space formed between described insulating barrier and flame-retardant layer.

Preferably, the cross section of described conductor is 180 degree fan-shaped.

Preferably, also gasket for packing is provided with between described insulating barrier and semiconductor.

Preferably, the diameter of described power cable is 80mm to 300mm.

Preferably, described packed layer, wrapped belt, oxygen barrier layer, steel belt layer, inner restrictive coating, steel wire armor layer, greasy for preventing water layer, external sheath layer, Thickness Ratio between braid and equadag coating are 1.5:3:1.6:2.2:3.5:7.5:15:2:3:2.5.

Compared with prior art, the beneficial effects of the utility model are: the cable that this environmental protection compression strength is high is disposed with reinforcement inner core from inside to outside, packed layer, wrapped belt, oxygen barrier layer, steel belt layer, inner restrictive coating, steel wire armor layer, greasy for preventing water layer, external sheath layer, braid and equadag coating, greasy for preventing water layer plays the effect of waterproof, oxygen barrier layer, steel belt layer and wrapped belt improve the fire-retardant rank of this cable, and improve mechanical energy, not easily by damage cracking, mist and have gas few when the more important thing is burning, environmental, mist light transmittance reaches more than 80%, the apparent distance reaches 7m, fire-fighting and rescue work is convenient to during breaking out of fire, halogen element in gasket for packing simultaneously, burning does not produce smog and poison gas, be beneficial to environmental protection, the arranging of equadag coating can prevent cable to be in operation the infringement of induced electromotive force to cable, cable can be protected well, extend the useful life of cable, equadag coating is mixed by graphite and functional agent, functional agent can be adhesive, colouring agent or pest repellant, improve the comprehensive function of cable, inner restrictive coating and external sheath layer are pvc material and make, there is good fire retardation, steel wire armor layer and braid serve good shielding action, the interference free performance of the whole cable of further raising, the effect strengthening cable strength is played in the setting strengthening inner core and packed layer.

Accompanying drawing explanation

Fig. 1 is the utility model structural representation;

Fig. 2 is power cable structure schematic diagram of the present utility model.

In figure: 1 strengthen inner core, 2 power cables, 21 conductors, 22 semiconductors, 23 insulating barriers, 24, flame-retardant layer, 25, gasket for packing, 3 packed layers, 4 wrapped belts, 5 oxygen barrier layers, 6 steel belt layers, 7 inner restrictive coatings, 8 steel wire armor layer, 9 greasy for preventing water layers, 10 external sheath layers, 11 braids, 12 equadag coatings.

Embodiment

Below in conjunction with the accompanying drawing in the utility model embodiment, be clearly and completely described the technical scheme in the utility model embodiment, obviously, described embodiment is only the utility model part embodiment, instead of whole embodiments.Based on the embodiment in the utility model, those of ordinary skill in the art are not making the every other embodiment obtained under creative work prerequisite, all belong to the scope of the utility model protection.

Refer to Fig. 1-2, the utility model provides a kind of technical scheme: the cable that a kind of environmental protection compression strength is high, comprise and strengthen inner core 1, power cable 2, packed layer 3, wrapped belt 4, oxygen barrier layer 5, steel belt layer 6, inner restrictive coating 7, steel wire armor layer 8, greasy for preventing water layer 9, external sheath layer 10, braid 11, equadag coating 12, the setting of packed layer 3, make when cable bend, the pressure produced can be absorbed by the distortion of packed layer, therefore the pressure between three insulated power cables has been relaxed, its result makes cable have high bending durability, further, during cable bend, because packed layer 3 is out of shape, therefore, the flexural rigidity of cable is lower than general cable, namely cable has high pliability, therefore, easily carry out distribution, the center-filled of packed layer 3 has strengthens inner core 1, strengthening inner core 1 is flexible cotton rope, flexible intensity is large, and play the effect strengthening cable strength, the outer ring of reinforcement inner core 1 is circumferentially distributed with four power cables 2, the outer wrap of packed layer 3 wrapped belt 4, wrapped belt 4 is the lap wound belting layers be bonded by alkali-free glass wool base band and hydroxide hydrate, the outer wrap of wrapped belt 4 oxygen barrier layer 5, described oxygen barrier layer 5 for olefin polymer be base, the blended macromolecular compound of hydroxide hydrate is added by coupling agent, the outer wrap of oxygen barrier layer 5 steel belt layer 6, steel belt layer 6 is that the wrapped galvanized steel strip of Double-layer gap forms, oxygen barrier layer 5, steel belt layer 6 and wrapped belt 4 improve the fire-retardant rank of this cable, and improve mechanical energy, not easily by damage cracking, mist and have gas few when the more important thing is burning, environmental, mist light transmittance reaches more than 80%, the apparent distance reaches 7m, fire-fighting and rescue work is convenient to during breaking out of fire, the outer wrap of steel belt layer 6 has inner restrictive coating 7, the outside sub-thread of inner restrictive coating 7 revolves strand steel wire armor layer 8, steel wire armor layer 8 adopts galvanized steel bar filament winding bag to form, the setting of steel wire armor layer 8 improves the shielding of cable, thus improve the useful life of cable, the outside of steel wire armor layer 8 is also provided with external sheath layer 10, greasy for preventing water layer 9 is filled in the space left between steel wire armor layer 8 and external sheath layer 10, greasy for preventing water layer 9 is primarily of basic ointment component, expanding material component and additive are formed, wherein expanding material is the super absorbent resin of synthesis, the outside of external sheath layer 10 is coated with braid 11, the metal screen layer that braid 11 is braided steel wire, braid 11 is copper material, serve good shielding action, the interference free performance of the whole cable of further raising, the outside of braid 11 is coated with equadag coating 12, described equadag coating 12 is the coatings mixed by graphite and functional agent, functional agent can be adhesive, colouring agent or pest repellant, the arranging of equadag coating 12 can prevent cable to be in operation the infringement of induced electromotive force to cable, cable can be protected well, extend the useful life of cable, adhesive can make equadag coating 12 be combined better with braid 11, colouring agent may be used for without not different cables, pest repellant may be used for dispersing mosquito protection cable, improve the comprehensive function of cable, power cable 2 also comprises conductor 21, semiconductor 22, insulating barrier 23 and flame-retardant layer 24, conductor 21 is arranged on power cable 2 innermost layer, semiconductor 22, insulating barrier 23 and flame-retardant layer 24 are wrapped in the outside of conductor 21 from inside to outside successively, wherein, flame-retardant layer 24 is ceramic silicon rubber refractory material, also alkali-free glass fiber cloth is filled with in the space formed between insulating barrier 23 and flame-retardant layer 24, the cross section of conductor 21 is 180 degree fan-shaped, the diameter of power cable 2 is 80mm to 300mm, packed layer 3, wrapped belt 4, oxygen barrier layer 5, steel belt layer 6, inner restrictive coating 7, steel wire armor layer 8, greasy for preventing water layer 9, external sheath layer 10, Thickness Ratio between braid 11 and equadag coating 12 is 1.5:3:1.6:2.2:3.5:7.5:15: 2:3:2.5, the setting of semiconductor 22 can make the water resistance of cable significantly improve, increase the service life, especially when cable is impaired, when water penetrates into conductor 91, because semiconductor 22 is with electrically, whole cable is avoided to scrap, need only repair or change undamaged portion cable, maintenance cost can be saved significantly, shorten maintenance time.

Although illustrate and described embodiment of the present utility model, for the ordinary skill in the art, be appreciated that and can carry out multiple change, amendment, replacement and modification to these embodiments when not departing from principle of the present utility model and spirit, scope of the present utility model is by claims and equivalents thereof.

Claims

1. the cable that an environmental protection compression strength is high, comprise and strengthen inner core (1), power cable (2), packed layer (3), wrapped belt (4), oxygen barrier layer (5), steel belt layer (6), inner restrictive coating (7), steel wire armor layer (8), greasy for preventing water layer (9), external sheath layer (10), braid (11), equadag coating (12), it is characterized in that: the center-filled of described packed layer (3) has reinforcement inner core (1), the outer ring of described reinforcement inner core (1) is circumferentially distributed with four power cables (2), the outer wrap of described packed layer (3) wrapped belt (4), described wrapped belt (4) is the lap wound belting layer be bonded by alkali-free glass wool base band and hydroxide hydrate, the outer wrap of described wrapped belt (4) oxygen barrier layer (5), described oxygen barrier layer (5) for olefin polymer be base, the blended macromolecular compound of hydroxide hydrate is added by coupling agent, the outer wrap of described oxygen barrier layer (5) steel belt layer (6), described steel belt layer (6) is that the wrapped galvanized steel strip of Double-layer gap forms, the outer wrap of described steel belt layer (6) has inner restrictive coating (7), the outside sub-thread of described inner restrictive coating (7) revolves strand steel wire armor layer (8), described steel wire armor layer (8) adopts galvanized steel bar filament winding bag to form, the outside of described steel wire armor layer (8) is also provided with external sheath layer (10), described greasy for preventing water layer (9) is filled in the space left between steel wire armor layer (8) and external sheath layer (10), described greasy for preventing water layer (9) is by basic ointment component, expanding material component and additive are formed, and expanding material is the super absorbent resin of synthesis, the outside of described external sheath layer (10) is coated with braid (11), described braid (11) forms for braided steel wire, the outside of described braid (11) is coated with equadag coating (12), described equadag coating (12) is the coating mixed by graphite and functional agent, functional agent can be adhesive, colouring agent or pest repellant, described power cable (2) also comprises conductor (21), semiconductor (22), insulating barrier (23) and flame-retardant layer (24), described conductor (21) is arranged on power cable (2) innermost layer, described semiconductor (22), insulating barrier (23) and flame-retardant layer (24) are wrapped in the outside of conductor (21) from inside to outside successively, wherein, described flame-retardant layer (24) is ceramic silicon rubber refractory material.

2. the cable that a kind of environmental protection compression strength according to claim 1 is high, is characterized in that: be also filled with alkali-free glass fiber cloth in the space formed between described insulating barrier (23) and flame-retardant layer (24).

3. the cable that a kind of environmental protection compression strength according to claim 1 is high, is characterized in that: the cross section of described conductor (21) is 180 degree fan-shaped.

4. the cable that a kind of environmental protection compression strength according to claim 1 is high, is characterized in that: be also provided with gasket for packing between described insulating barrier (23) and semiconductor (22).

5. the cable that a kind of environmental protection compression strength according to claim 1 is high, is characterized in that: the diameter of described power cable (2) is 80mm to 300mm.

6. the cable that a kind of environmental protection compression strength according to claim 1 is high, is characterized in that: described packed layer (3), wrapped belt (4), oxygen barrier layer (5), steel belt layer (6), inner restrictive coating (7), steel wire armor layer (8), greasy for preventing water layer (9), external sheath layer (10), Thickness Ratio between braid (11) and equadag coating (12) are 1.5:3:1.6:2.2:3.5:7.5:15: 2:3:2.5.