CN209822334U

CN209822334U - Tensile flame-retardant control cable

Info

Publication number: CN209822334U
Application number: CN201920592981.1U
Authority: CN
Inventors: 郑天顺; 陈硕; 燕羽
Original assignee: SHANGHAI YONGJIN CABLE (GROUP) CO Ltd
Current assignee: SHANGHAI YONGJIN CABLE (GROUP) CO Ltd
Priority date: 2019-04-28
Filing date: 2019-04-28
Publication date: 2019-12-20
Anticipated expiration: 2029-04-28

Abstract

The utility model discloses a fire-retardant type control cable of tensile, including the restrictive coating, the inner chamber of restrictive coating is provided with the tensile layer, the inner chamber on fire-retardant layer is provided with the waterproof layer, the inner chamber of waterproof layer is provided with the shielding layer, the inner chamber on colored tape layer is provided with the insulating layer, the inner chamber of insulating layer is provided with the conductor, polyvinylamine's tensile layer has improved the holistic tensile of cable and corrosion resisting property, aramid fiber rope has good tensile effect, the holistic tensile property on tensile layer has further been improved, tinned copper wire and aramid fiber silk weave the shielding layer that forms each other, the interference killing feature and the tensile property of cable have been improved, the conductor that forms by copper conductor transposition each other has increased its pliability, make the tensile more of conductor, the tensile of tensile rope has further strengthened the tensile effect of conductor, thereby the holistic tensile property of cable has been improved, service life is prolonged.

Description

Tensile flame-retardant control cable

Technical Field

The utility model relates to the technical field of cables, specifically be a tensile fire-retardant type control cable.

Background

Along with the rapid development of urban construction, the using amount of cables is larger and larger, the performance requirements on the cables are higher and higher, the cables are required to be dragged in the cable laying process, but most of the existing cables are poor in tensile property and are easy to break in the dragging process, and therefore the tensile flame-retardant control cable is provided.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a tensile fire-retardant type control cable to solve the problem that proposes in the above-mentioned background art.

In order to achieve the above object, the utility model provides a following technical scheme: the utility model provides a fire-retardant type control cable of tensile, includes the restrictive coating, and the inner chamber of restrictive coating is provided with the tensile layer, and the inner chamber on tensile layer is provided with fire-retardant layer, and the inner chamber on fire-retardant layer is provided with the waterproof layer, and the inner chamber of waterproof layer is provided with the shielding layer, and the inner chamber on shielding layer evenly is provided with filling rope and typewriter ribbon layer, and the inner chamber on typewriter ribbon layer is provided with the insulating layer, and the inner chamber of insulating.

Preferably, the conductor includes three copper conductor groups, and three copper conductor groups are each other spiral transposition, are provided with the stretch-proofing rope between three copper conductor groups, and the stretch-proofing rope includes three nylon cores that big or small structure is the same, and three nylon cores of group are transposition each other, and the nylon core is formed by the regular transposition of multiunit nylon wire.

Preferably, the lateral wall of restrictive coating evenly is provided with the lug, and the lug is annular array distribution, and the lug is the hemisphere lug.

Preferably, the sheathing layer is a PFA fluororesin sheathing layer, and the sheathing layer has an average thickness of four millimeters and a thinnest thickness of four millimeters.

Preferably, the tensile layer is a polyvinylamine tensile layer, aramid fiber ropes are uniformly arranged on the tensile layer, the aramid fiber ropes have five groups with the same size, and the five groups of aramid fiber ropes are distributed in an annular array.

Preferably, the shielding layer is formed by weaving tinned copper wires and aramid fibers.

Compared with the prior art, the beneficial effects of the utility model are that: the tensile layer of polyvinylamine has the performances of water resistance, moisture resistance, sealing, chemical corrosion resistance and the like, and meanwhile, the tensile property is strong, the overall tensile and corrosion resistance of the cable are improved, the aramid fiber rope has a good tensile effect, the overall tensile property of the tensile layer is further improved, the shielding layer formed by mutually weaving the tinned copper wires and the aramid fiber wires is improved, the anti-interference performance and the tensile property of the cable are improved, the flexibility of the conductor formed by mutually twisting the copper wires is improved, the conductor is more tensile, the tensile effect of the conductor is further enhanced by the tensile rope, the overall tensile property of the cable is improved, the cable is prevented from being accidentally broken, and the service life of the cable is prolonged.

Drawings

Fig. 1 is a schematic structural diagram of the present invention.

In the figure: 1. a sheath layer; 2. a tensile layer; 3. a flame retardant layer; 4. a waterproof layer; 5. a shielding layer; 6. filling a rope; 7. a color band layer; 8. an insulating layer; 9. a conductor; 91. a copper wire; 92. a tensile strand; 10. aramid fiber ropes; 11. and (4) a bump.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.

Referring to fig. 1, the present invention provides a technical solution: the utility model provides a fire-retardant type control cable of tensile, including restrictive coating 1, the inner chamber of restrictive coating 1 is provided with tensile layer 2, and tensile layer 2's inner chamber is provided with fire-retardant layer 3, fire-retardant layer 3 is the mica tape layer, good fire behaviour has, fire-retardant layer 3's inner chamber is provided with waterproof layer 4, waterproof layer 4 adopts waterproof film to form around the package, good water-proof effects has, waterproof layer 4's inner chamber is provided with shielding layer 5, and shielding layer 5's inner chamber evenly is provided with filling rope 6 and typewriter ribbon layer 7, each colour on the typewriter ribbon layer 7 of group is all inequality, thereby made things convenient for the resolution on each typewriter ribbon layer 7 of group, typewriter ribbon layer 7's inner chamber is provided with insulating layer 8, insulating layer 8 is the.

The conductor 9 comprises three groups of copper wires 91, the three groups of copper wires 91 are mutually twisted in a spiral mode, the flexibility of the conductor is improved, the conductor 9 is more tensile, tensile ropes 92 are arranged among the three groups of copper wires 91, the tensile effect of the conductor 9 is further enhanced, the tensile ropes 92 comprise three groups of nylon cores with the same size and structure, the three groups of nylon cores are mutually twisted, the nylon cores are formed by regularly twisting a plurality of groups of nylon wires, and the tensile performance of the tensile rope 92 body is further enhanced;

the outer side wall of the sheath layer 1 is uniformly provided with the convex blocks 11, the convex blocks 11 are distributed in an annular array, the convex blocks 11 are hemispherical convex blocks, and the existence of the convex blocks 11 further plays a role in wear resistance, so that the cable body is protected, and the service life is prolonged;

the sheath layer 1 is a PFA fluororesin sheath layer, has good oil resistance and acid and alkali resistance, and has excellent shear strength and impact resistance, and the average thickness of the sheath layer 1 is four millimeters, and the thinnest thickness is four millimeters;

the tensile layer 2 is a polyvinylamine tensile layer, has the performances of water resistance, moisture resistance, sealing, chemical corrosion resistance and the like, is strong in tensile property, improves the overall tensile and corrosion resistance of the tensile layer 2, aramid fiber ropes 10 are uniformly arranged on the tensile layer 2, the aramid fiber ropes 10 are in five groups with the same size, the five groups of aramid fiber ropes 10 are distributed in an annular array, the aramid fiber ropes 10 have good tensile effect, and further improves the overall tensile property of the cable;

the shielding layer 5 is formed by weaving tinned copper wires and aramid fiber wires, the anti-interference performance of the cable is improved, the special tensile property of the aramid fiber wires is utilized, the creep resistance and stability of the cable are enhanced, and the service life of the cable is prolonged.

The working principle is as follows: polyvinylamine tensile layer 2 has the performances of water resistance, moisture resistance, sealing, chemical corrosion resistance and the like, and meanwhile, the tensile property is strong, the overall tensile and corrosion resistance of the cable is improved, aramid fiber rope 10 has a good tensile effect, the overall tensile property of tensile layer 2 is further improved, tinned copper wire and aramid fiber wire are mutually woven to form a shielding layer 5, the anti-interference performance and the tensile property of the cable are improved, conductor 9 formed by mutually twisting copper wires increases the flexibility of the conductor, the conductor 9 is more tensile, tensile rope 92 further enhances the tensile effect of conductor 9, the overall tensile property of the cable is improved, and the service life is prolonged.

Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.

Claims

1. The utility model provides a fire-retardant type control cable of tensile, includes restrictive coating (1), its characterized in that: the inner cavity of restrictive coating (1) is provided with tensile layer (2), and the inner cavity of tensile layer (2) is provided with fire-retardant layer (3), and the inner cavity of fire-retardant layer (3) is provided with waterproof layer (4), and the inner cavity of waterproof layer (4) is provided with shielding layer (5), and the inner cavity of shielding layer (5) evenly is provided with filling rope (6) and colored tape layer (7), and the inner cavity of colored tape layer (7) is provided with insulating layer (8), and the inner cavity of insulating layer (8) is provided with conductor (9).

2. The tensile flame-retardant control cable according to claim 1, wherein: conductor (9) are including three copper conductor (91) of group, and three copper conductor (91) of group spiral transposition each other, are provided with stretch-proofing rope (92) between three copper conductor of group (91), and stretch-proofing rope (92) are including three nylon cores that big or small structure is the same, and three nylon cores of group are transposition each other, and the nylon core is formed by the regular transposition of multiunit nylon wire.

3. The tensile flame-retardant control cable according to claim 1, wherein: the lateral wall of restrictive coating (1) evenly is provided with lug (11), and lug (11) are annular array and distribute, and lug (11) are hemisphere lug.

4. The tensile flame-retardant control cable according to claim 1, wherein: the sheath layer (1) is a PFA fluororesin sheath layer, and the average thickness of the sheath layer (1) is four millimeters, and the thinnest thickness is four millimeters.

5. The tensile flame-retardant control cable according to claim 1, wherein: tensile layer (2) are polyvinylamine tensile layer, evenly are provided with aramid fiber rope (10) on tensile layer (2), and aramid fiber rope (10) have five groups that the size is the same, and five groups aramid fiber rope (10) are the annular array and distribute.

6. The tensile flame-retardant control cable according to claim 1, wherein: the shielding layer (5) is formed by mutually weaving tinned copper wires and aramid fiber wires.