CN210039723U

CN210039723U - Tensile flame-retardant cable

Info

Publication number: CN210039723U
Application number: CN201921263985.1U
Authority: CN
Inventors: 谢龙军
Original assignee: Wuhan Huanghe Wire And Cable Factory No1 Co Ltd
Current assignee: Wuhan Huanghe Wire And Cable Factory No1 Co Ltd
Priority date: 2019-08-06
Filing date: 2019-08-06
Publication date: 2020-02-07
Anticipated expiration: 2029-08-06

Abstract

The utility model relates to a power cable technical field discloses a tensile fire-retardant type cable, for solving the poor problem of current cable pull resistance, the surface of establishment screen cloth is provided with anti-skidding foam cover, and the surface of establishment screen cloth is located one side of anti-skidding foam cover and is provided with the label, the inboard of establishment screen cloth is provided with the heat-resistant layer, the inboard of heat-resistant layer is provided with fire-retardant layer. The utility model discloses be provided with stainless steel's establishment screen cloth, can provide the pulling force protection for the cable in the outside of cable, guarantee that the cable can not break because of removing, be provided with steel wire and cladding in the outside asbestos cord of copper core, can guarantee the inside hardness of cable, improve the pull resistance of copper core, solve and tear the in-process and appear disconnected core condition easily, be provided with three layer materials's water barrier, can effectually block the water among the external environment and get into electric core.

Description

Tensile flame-retardant cable

Technical Field

The utility model relates to a power cable technical field specifically is a tensile fire-retardant type cable.

Background

The flame-retardant cable is a cable which is characterized in that a test sample is burnt under a specified test condition, after a test fire source is removed, the flame spread is only within a limited range, and residual flame or residual ignition can be self-extinguished within a limited time. The basic characteristics are as follows: in the event of a fire, may burn out and fail to operate, but may prevent the spread of the fire. In common, in case of fire, the electric wire can limit the combustion within a local range, does not spread, keeps other various equipment and avoids causing larger loss.

However, the tensile cable that exists in the existing market can add the metal bundling ring at the cable overcoat, but can lead to electric core fracture because of pulling the cable, causes very big loss, generally needs the manual work to go to pull at the in-process of pulling the cable in addition, often can wear out staff's hand skin, causes the unnecessary damage. Accordingly, those skilled in the art have provided a tensile flame retardant cable to solve the problems set forth in the background art.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to provide a tensile fire-retardant type 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 tensile fire-retardant type cable, includes the establishment screen cloth, the surface of establishment screen cloth is provided with anti-skidding foam jacket, and the surface of establishment screen cloth is located one side of anti-skidding foam jacket and is provided with the label, the inboard of establishment screen cloth is provided with the heat-resistant layer, the inboard of heat-resistant layer is provided with fire-retardant layer, the inboard on fire-retardant layer is provided with the water blocking layer, the inboard on water blocking layer is provided with the resin layer, the inboard on resin layer is provided with the shielding layer, the inboard of shielding layer is provided with the filling layer, the inside of filling layer is provided with electric core, and one side that the inside of filling layer is located electric core.

As a further aspect of the present invention: the battery core comprises a heat conduction layer, an insulation layer is arranged on the inner side of the heat conduction layer, an asbestos rope is arranged inside the insulation layer, a copper core is arranged on the outer side, located on the asbestos rope, of the inside of the insulation layer, and a silica gel layer is filled inside the insulation layer.

As a further aspect of the present invention: the insulating layer is a PVC component, and the asbestos rope is coated on the surface of the copper core in a net structure.

As a further aspect of the present invention: the water-blocking layer is provided with three layers, and the water-blocking layer is respectively a semi-conductive water-blocking tape, a semi-conductive buffering water-blocking tape and a semi-conductive water copper wire shielding layer from inside to outside.

As a further aspect of the present invention: the heat-resistant layer is a component made of dimethyl silicon rubber, and the shielding layer is a component made of aluminum foil strips.

As a further aspect of the present invention: the braided net sleeve is a component made of stainless steel materials, and the thickness of the braided net sleeve is 0.5 cm.

As a further aspect of the present invention: the anti-slip foam sleeve is fixedly connected with the woven net sleeve through metal glue, the anti-slip foam sleeve is distributed on the surface of the woven net sleeve at equal intervals, and the distance between every two anti-slip foam sleeves is 1 m.

Compared with the prior art, the beneficial effects of the utility model are that:

the utility model discloses be provided with stainless steel's establishment net cover, can give the cable in the outside of cable and provide the pulling force protection, guarantee that the cable can not break because of removing, be provided with steel wire and cladding in the outside asbestos cord of copper core, can guarantee the inside hardness of cable, improve the pull resistance of copper core, solve and appear disconnected core condition easily dragging the in-process, be provided with fire-retardant layer and resin layer, can make the cable have good fire resistance, safety protection has been improved, be provided with three layer materials's water barrier, can effectually block the water among the external environment and get into electric core, prevent to soak the cable core, cause the damage to the cable, be provided with anti-skidding foam cover, can increase the frictional force on cable surface, in order to avoid on the way at the removal cable, thereby the both hands of staff are worn out because the cable is more smooth.

Drawings

FIG. 1 is a schematic structural view of a tensile flame-retardant cable;

FIG. 2 is a schematic view of a middle section of a tensile flame-retardant cable;

fig. 3 is a schematic structural diagram of a battery cell in a tensile flame-retardant cable.

In the figure: 1. a shielding layer; 2. a filling layer; 3. an electric core; 31. a silica gel layer; 32. an insulating layer; 33. a heat conductive layer; 34. an asbestos cord; 35. a copper core; 4. a label; 5. an anti-slip foam sleeve; 6. a steel wire; 7. a resin layer; 8. a water resistant layer; 9. a flame retardant layer; 10. a heat-resistant layer; 11. and (5) weaving a net cover.

Detailed Description

Please refer to fig. 1-3, in an embodiment of the present invention, a tensile flame-retardant cable, including the woven mesh sleeve 11, the woven mesh sleeve 11 is a stainless steel member, and the thickness of the woven mesh sleeve 11 is 0.5cm, the woven mesh sleeve 11 made of stainless steel can not rust in the environment that the outside wind blows the rain, the wear resistance and the puncture-proof function are improved, and the service life of the cable is prolonged.

The surface of establishment net cover 11 is provided with anti-skidding foam cover 5, and anti-skidding foam cover 5 passes through metal glue and establishment net cover 11 fixed connection, and anti-skidding foam cover 5 is the equidistance on establishment net cover 11 surface and distributes, and the interval between two liang is 1m for the workman can be fine at the in-process of transport hold the cable tightly, avoids sliding wear hand skin.

One side that the surface of establishment net cover 11 is located anti-skidding foam sleeve 5 is provided with label 4, and the inboard of establishment net cover 11 is provided with heat-resistant layer 10, and heat-resistant layer 10 is the component of a dimethyl silicon rubber material, and shielding layer 1 is the component of an aluminium foil strip material, and protection electric core 3 that heat-resistant layer 10 can be fine is not disturbed by the heat temperature and reduces transmission of electricity speed, and shielding layer 1 can shield abnormal signal.

The fire-retardant layer 9 is arranged on the inner side of the heat-resistant layer 10, the water-blocking layer 8 is arranged on the inner side of the fire-retardant layer 9, the three layers are arranged on the water-blocking layer 8, the water-blocking layer 8 is respectively a semi-conductive water-blocking tape, the semi-conductive buffer water-blocking tape and a semi-conductive water copper wire shielding layer from inside to outside, water liquid can be blocked more effectively from entering the cable, and electric leakage caused by water on the cable is avoided.

The inner side of the water-resistant layer 8 is provided with a resin layer 7, the inner side of the resin layer 7 is provided with a shielding layer 1, the inner side of the shielding layer 1 is provided with a filling layer 2, the inner part of the filling layer 2 is provided with an electric core 3, one side of the inner part of the filling layer 2, which is positioned at the electric core 3, is provided with a steel wire 6, the electric core 3 comprises a heat conduction layer 33, the inner side of the heat conduction layer 33 is provided with an insulation layer 32, the inner part of the insulation layer 32 is provided with an asbestos rope 34, the outer side of the insulation layer 32, which is positioned at the asbestos rope 34, is provided with a copper core 35, the inner part of the insulation layer 32 is filled with a silica gel layer 31, the insulation layer 32 is a PVC component, the asbestos rope 34 is coated on the surface of the copper core 35 in a net structure, the hardness of the copper core 35 can be ensured, so that the copper core 35 can be stably fixed inside the insulating layer 32.

The utility model discloses a theory of operation is: the battery core 3 can be stabilized in the cable without moving by arranging the filling layer 2, the filling layer 2 can also ensure that the cable is internally filled to avoid the cable from deforming under the impact of external force, the steel wire 6 is arranged to ensure the transverse tension in the cable to avoid the phenomena of core breaking and the like, the flame-retardant layer 9 can obstruct external fire sources from entering the cable to play a flame-retardant effect, the normal work of the cable is ensured, the safety hidden danger is avoided, the anti-slip foam sleeve 5 enables workers to well hold the cable in the carrying process to avoid sliding abrasion of hand skin, the asbestos rope 34 can ensure the hardness of the copper core 35, the insulating layer 32 can fundamentally prevent electric sparks generated by the copper core 35 from being transmitted to the surrounding environment to cause danger, the silica gel layer 31 serves as a filling function, and the copper core 35 can be stably fixed in the insulating layer 32, the protective layer that can guarantee that cable inside can not lead to because of external pulling force is cracked in the protective layer of two steel wires 6's setting, influences the result of use of cable, and nonrust steel's establishment net cover 11 can not rust in the environment that external wind blows rain and hits, has increased the life of cable, and inside water blocking layer 8 can be comparatively powerful separation water liquid entering cable, avoided the cable to receive the influence electric leakage of water.

The above-mentioned, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A tensile flame-retardant cable comprises a woven mesh sleeve (11) and is characterized in that an anti-slip foam sleeve (5) is arranged on the surface of the woven mesh sleeve (11), and a label (4) is arranged on one side of the surface of the woven net sleeve (11) positioned on the anti-skid foam sleeve (5), a heat-resistant layer (10) is arranged on the inner side of the woven net sleeve (11), a flame-retardant layer (9) is arranged on the inner side of the heat-resistant layer (10), a water-resistant layer (8) is arranged on the inner side of the flame-retardant layer (9), a resin layer (7) is arranged on the inner side of the water-resistant layer (8), a shielding layer (1) is arranged on the inner side of the resin layer (7), a filling layer (2) is arranged on the inner side of the shielding layer (1), a battery core (3) is arranged in the filling layer (2), and a steel wire (6) is arranged on one side of the electric core (3) in the filling layer (2).

2. The tensile flame-retardant cable according to claim 1, wherein the battery core (3) comprises a heat conduction layer (33), an insulation layer (32) is arranged on the inner side of the heat conduction layer (33), an asbestos cord (34) is arranged inside the insulation layer (32), a copper core (35) is arranged on the outer side, located on the asbestos cord (34), of the insulation layer (32), and the silica gel layer (31) is filled inside the insulation layer (32).

3. The cable of claim 2, wherein the insulation layer (32) is a PVC member, and the asbestos cord (34) is coated on the surface of the copper core (35) in a net structure.

4. The tensile and flame retardant cable according to claim 1, wherein the water-blocking layer (8) comprises three layers, and the water-blocking layer (8) comprises a semiconductive water-blocking tape, a semiconductive buffer water-blocking tape and a semiconductive water copper wire shielding layer from inside to outside.

5. The tensile and flame retardant cable according to claim 1, wherein the heat-resistant layer (10) is a member made of dimethyl silicone rubber, and the shielding layer (1) is a member made of aluminum foil tape.

6. The tensile and flame retardant cable according to claim 1, wherein the woven mesh (11) is a member made of stainless steel, and the thickness of the woven mesh (11) is 0.5 cm.

7. The tensile flame-retardant cable according to claim 1, wherein the anti-slip foam sleeve (5) is fixedly connected with the woven mesh sleeve (11) through metal glue, the anti-slip foam sleeve (5) is distributed on the surface of the woven mesh sleeve (11) at equal intervals, and the distance between every two anti-slip foam sleeves is 1 m.