CN209591618U - One kind blocks water fire resisting tension flexible control cable - Google Patents

Abstract

The utility model provides one kind and blocks water fire resisting tension flexible control cable, including cable core, the cable core includes several conductors and two tension ropes, the outside of the conductor is successively coated with flame retardant coating and insulating layer, the conductor of complex root is arranged in a straight line in centre, the number that remaining described conductor is distributed in the conductor of two sides and two sides is equal, the adjacent two piece conductor positioned at middle straight line arrangement is tangent, each conductor surrounds round cable core, two tension ropes are respectively arranged on the two sides of the conductor of middle straight line arrangement, and the tension rope is tangent with two conductors of the centre for being located at arrangement straight line respectively, stranding gap location between the cable core is equipped with obturator, the outside of the cable core is successively arranged water blocking layer, oxygen barrier layer, outer jacket, the conductor is twisted by multiply annealed copper wire, the tension rope by Multiply aramid yarn is made by twisting, and bending radius is small, tensile capacity is strong, it is good with fire resisting effect to block water.

Description

One kind blocks water fire resisting tension flexible control cable

Technical field

The utility model relates to field of cable technology, block water fire resisting tension flexible control cable more particularly to one kind.

Background technique

In the fast development with power industry, urban construction, requirement of all trades and professions to control cable is higher and higher, control Cable processed is mainly used for U₀/ U is the occasions such as 450/750V and following control, monitoring loop and protection circuit, in use, control Cable will be not only mechanically damaged, insulation harm, insulation ag(e)ing are rotten, also suffer humidified insulation, flame influences, powerful pulling force Deng.Although general control cable solves powerful pulling force suffered by cable using wire armoring, controls and connect used in cable Field of line conjunction is often very narrow, and since steel wire hardness is big, wire armoring is unfavorable for cable and is bent well.In addition cable sometimes for Being laid in has the place of water, and since the permeability or cable cover(ing) of cable sheath material are by mechanical damage, water enters cable Inside causes insulating layer to form water tree, further will cause the destruction to insulation, this substantially reduces the longevity of cable Life.The insulation performance of general control cable, fire resistance are bad, and block-water performance is poor, and tensile capacity is insufficient, and bending radius is big, leads Cause control cable construction difficulty, reduced service life etc..

Utility model content

Place in view of the deficiency of the prior art, the purpose of the utility model is to provide one kind fire resisting tension that blocks water is soft Property control cable, bending radius is small, tensile capacity is strong, it is good with fire resisting effect to block water.

In order to solve the above technical problems, the fire resisting tension flexible control cable provided by the utility model that blocks water, including cable core, The cable core includes several conductors and two tension ropes, and the outside of the conductor is successively coated with flame retardant coating and insulating layer, plural number The conductor of root is arranged in a straight line in centre, remaining described conductor is distributed in the number phase of the conductor of two sides and two sides Deng the adjacent two piece conductor positioned at middle straight line arrangement is tangent, and each conductor surrounds round cable core, and two described anti- Drawstring is respectively arranged on the two sides of the conductor of middle straight line arrangement, and the tension rope is respectively and positioned at the centre of arrangement straight line Two conductors it is tangent, stranding gap location between the cable core is equipped with obturator, and the outside of the cable core is successively arranged Water blocking layer, oxygen barrier layer, outer jacket, the conductor are twisted by multiply annealed copper wire, and the tension rope is twisted by multiply aramid yarn It is made.

Preferably, the flame retardant coating is formed by single side synthetic mica tape is wrapped.

Preferably, the insulating layer is extruded by soft pvc material and is made.

Preferably, the obturator is made of blocking water packing material.

Preferably, the water blocking layer is made of semi-conducting water-resistant tape.

Preferably, the oxygen barrier layer is extruded by Ceramic silicon rubber is made.

Preferably, the outer jacket is extruded by soft pvc is made.

The beneficial effects of the utility model are as follows:

The conductor of the utility model is twisted by multiply annealed copper wire, can guarantee the flexibility of cable well, meanwhile, electricity The tension rope being twisted in cable provided with multiply aramid yarn, not only makes the tensile property of cable good, and soft, makes cable Bending radius is small, convenient for using in the small complicated occasion of installation bending radius；Complex root conductor is arranged in a straight line in centre, Remaining conductor is distributed in two sides, and the conductor of intermediate arrangement can support the shape of cable well, and the conductor of intermediate arrangement that This is tangent, very close to each other, has high flexibility, and tension rope is distributed in the two sides of the conductor of intermediate arrangement, and respectively with position Two conductors among arrangement straight line are tangent, and the conductor of intermediate arrangement is complex root, can determine the position of tension rope well It sets, guarantees that tension rope is located at the middle part of cable conductor, guarantee the tensile property of cable all directions, there is cable anti-well Draw performance；It is provided with flame retardant coating and insulating layer outside conductor, is provided with water blocking layer, oxygen barrier layer and outer alternating layers outside cable core, has cable There are good fire resisting, insulation, block-water performance.

Detailed description of the invention

Fig. 1 is the schematic diagram of the fire resisting tension flexible control cable that blocks water of embodiment.

Wherein, 1- conductor, 2- tension rope, 3- flame retardant coating, 4- insulating layer, 5- obturator, 6- water blocking layer, 7- oxygen barrier layer, 8- Outer jacket.

Specific embodiment

In the description of the present invention, it should be noted that term " center ", " longitudinal direction ", " transverse direction ", "upper", "lower", The orientation or positional relationship of the instructions such as "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom" "inner", "outside" is It is based on the orientation or positional relationship shown in the drawings, is merely for convenience of describing the present invention and simplifying the description, rather than indicate Or imply that signified device or element must have a particular orientation, be constructed and operated in a specific orientation, therefore cannot understand For limitations of the present invention.

The following will be combined with the drawings in the embodiments of the present invention, carries out the technical scheme in the embodiment of the utility model Clearly and completely describe, it is clear that the described embodiments are only a part of the embodiments of the utility model, rather than whole Embodiment.Based on the embodiments of the present invention, those of ordinary skill in the art are without creative efforts Every other embodiment obtained, fall within the protection scope of the utility model.

Referring to Fig. 1, the fire resisting tension flexible control cable that blocks water of the present embodiment includes cable core, and cable core includes several conductors 1 With two tension ropes 2, the outside of conductor 1 is successively coated with flame retardant coating 2 and insulating layer 3, and the conductor 1 of complex root is in centre at always Line arrangement, the number that remaining conductor 1 is distributed in the conductor 1 of two sides and two sides is equal, positioned at adjacent two of middle straight line arrangement Root conductor 1 is tangent, and each conductor 1 surrounds round cable core, and two tension ropes 2 are respectively arranged on the two sides of the conductor 1 of middle straight line arrangement, And tension rope 2 is tangent with two conductors 1 of the centre for being located at arrangement straight line respectively, the stranding gap location between cable core is equipped with filling Body 5, the outside of cable core are successively arranged water blocking layer 6, oxygen barrier layer 7, outer jacket 8, and conductor 1 is twisted by multiply annealed copper wire, tension Rope 2 is made by twisting by multiply aramid yarn.The conductor 1 of the present embodiment is twisted by multiply annealed copper wire, can guarantee electricity well The flexibility of cable, meanwhile, the tension rope 2 being twisted in cable provided with multiply aramid yarn not only makes the tensile property of cable good, And it is soft, keep the bending radius of cable small, convenient for using in the small complicated occasion of installation bending radius；Complex root conductor 1 exists Centre is arranged in a straight line, remaining conductor 1 is distributed in two sides, and the conductor 1 of intermediate arrangement can support the shape of cable well, And the conductor 1 of intermediate arrangement is tangent to each other, very close to each other, has high flexibility, and tension rope 2 is distributed in leading for intermediate arrangement The two sides of body 1, and it is tangent with two conductors 1 among arrangement straight line respectively, and the conductor 1 of intermediate arrangement is complex root, The position of tension rope 2 can be determined well, guaranteed that tension rope 2 is located at the middle part of cable conductor, guaranteed cable all directions Tensile property makes cable have good tensile property；It is provided with flame retardant coating 3 and insulating layer 4 outside conductor 1, is provided with outside cable core Water blocking layer 6, oxygen barrier layer 7 and outer alternating layers 8 make cable have good fire resisting, insulation, block-water performance.

In the present embodiment, 10 conductor Isosorbide-5-Nitrae root conductors 1 are provided in cable core to be arranged in a straight line in centre, two sides are each Symmetrical 3 conductors 1.

The flame retardant coating 3 of the present embodiment is formed by single side synthetic mica tape is wrapped, the excellent fire resistance of single side synthetic mica tape It can guarantee and not lose itself basic functions such as communication, control of cable in case of fire, provide preciousness for fire rescue Time.

The insulating layer 4 of the present embodiment is extruded by soft pvc material to be made.

The obturator 5 of the present embodiment is made of blocking water packing material, has block-water performance, with external water blocking layer 6 one It rises and forms the protection system that completely blocks water, make cable that there is excellent block-water performance.

The water blocking layer 6 of the present embodiment is made of semi-conducting water-resistant tape, and semiconductor waterstop has water stop function, and has There is function of shielding, while making cable that there is excellent superperformance, makes cable that there is good insulation performance.

The oxygen barrier layer 7 of the present embodiment is extruded by Ceramic silicon rubber to be made, and cable is made to have good Fire resistances.

The outer jacket 8 of the present embodiment is extruded by soft pvc to be made.

To sum up, the conductor 1 of the present embodiment is twisted by multiply annealed copper wire, can guarantee the flexibility of cable well, together When, the interior tension rope 2 being twisted provided with multiply aramid yarn of cable not only makes the tensile property of cable good, and soft, makes The bending radius of cable is small, convenient for using in the small complicated occasion of installation bending radius；Complex root conductor 1 it is intermediate in line Arrangement, remaining conductor 1 are distributed in two sides, and the conductor 1 of intermediate arrangement can support the shape of cable, and intermediate arrangement well Conductor 1 it is tangent to each other, it is very close to each other, there is high flexibility, tension rope 2 is distributed in the two sides of the conductor 1 of intermediate arrangement, and And it is tangent with two conductors 1 among arrangement straight line respectively, the conductor 1 of intermediate arrangement is complex root, can well really Determine the position of tension rope 2, guarantees that tension rope 2 is located at the middle part of cable conductor, guarantee the tensile property of cable all directions, make electricity Cable has good tensile property；It is provided with flame retardant coating 3 and insulating layer 4 outside conductor 1, water blocking layer 6, oxygen barrier layer are provided with outside cable core 7 and outer alternating layers 8, make cable that there is good fire resisting, insulation, block-water performance.

The above is only the preferred embodiment of the utility model, it is noted that for the common skill of the art For art personnel, without deviating from the technical principle of the utility model, several improvement and replacement can also be made, these change It also should be regarded as the protection scope of the utility model into replacement.

Claims (7)

1. The fire resisting tension flexible control cable 1. one kind blocks water, which is characterized in that including cable core, the cable core include several conductors and Two tension ropes, the outside of the conductor are successively coated with flame retardant coating and insulating layer, and the conductor of complex root is in centre at one Arranged in a straight line, the number that remaining described conductor is distributed in the conductor of two sides and two sides is equal, positioned at middle straight line arrangement Two adjacent conductors are tangent, and each conductor surrounds round cable core, and two tension ropes are respectively arranged on middle straight line The two sides of the conductor of arrangement, and the tension rope is tangent with two conductors of the centre for being located at arrangement straight line respectively, Stranding gap location between the cable core is equipped with obturator, and the outside of the cable core is successively arranged water blocking layer, oxygen barrier layer, outer shield Layer, the conductor are twisted by multiply annealed copper wire, and the tension rope is made by twisting by multiply aramid yarn.
2. 2. the fire resisting tension flexible control cable according to claim 1 that blocks water, which is characterized in that the flame retardant coating is by single side Synthetic mica tape is wrapped to be formed.
3. 3. the fire resisting tension flexible control cable according to claim 1 that blocks water, which is characterized in that the insulating layer is by soft PVC material, which extrudes, to be made.
4. 4. the fire resisting tension flexible control cable according to claim 1 that blocks water, which is characterized in that the obturator is using resistance Water packing material is made.
5. 5. the fire resisting tension flexible control cable according to claim 1 that blocks water, which is characterized in that the water blocking layer is by partly leading Electric waterstop is wrapped to be made.
6. 6. the fire resisting tension flexible control cable according to claim 1 that blocks water, which is characterized in that the oxygen barrier layer is by ceramics SiClx rubber, which extrudes, to be made.
7. 7. the fire resisting tension flexible control cable according to claim 1 that blocks water, which is characterized in that the outer jacket is by soft PVC, which is extruded, to be made.