CN209843329U

CN209843329U - Stretch-proofing high temperature resistant cable

Info

Publication number: CN209843329U
Application number: CN201921112207.2U
Authority: CN
Inventors: 谢中良
Original assignee: Jiangsu Elesun Cable Co Ltd
Current assignee: Jiangsu Elesun Cable Co Ltd
Priority date: 2019-07-16
Filing date: 2019-07-16
Publication date: 2019-12-24
Anticipated expiration: 2029-07-16

Abstract

The utility model discloses a stretch-proofing high temperature resistant cable, including protective layer and cable conductor pencil, protective layer parcel has the fire prevention insulating layer, and the inboard of fire prevention insulating layer is provided with the shielding layer, and the inboard of shielding layer is provided with the inner sheath, and the inner chamber of inner sheath forms fills the chamber, and the inner chamber packing of filling the chamber has the aramid yarn, and the outside parcel of cable conductor pencil has the insulating boot, and the cable conductor pencil sets up the inner chamber at filling the chamber. The utility model provides a present wire and cable ambient temperature is higher, and ordinary cable easily produces insulating ageing and scorching phenomenon when the high temperature, makes the cable lose the performance, easily receives destruction, can not normally transmit signal or electric energy, and the cable receives outside extrusion in the use, leads to the disconnected core of wire easily to influence signal and power transmission's problem.

Description

Stretch-proofing high temperature resistant cable

Technical Field

The utility model relates to the technical field of cables, specifically be a stretch-proofing high temperature resistant cable.

Background

The wire and cable industry is the second industry in China next to the automobile industry, and both the product variety satisfaction rate and the domestic market share rate exceed 90%. The total output value of the electric wires and cables in China exceeds the United states worldwide, and the electric wires and cables become the first large electric wire and cable production control cable country in the world. Along with the high-speed development of the China wire and cable industry, the number of newly added enterprises is continuously increased, and the overall technical level of the industry is greatly improved.

The environment temperature of the electric wire and the electric cable is high, the insulation aging and scorching phenomena are easily generated when the ordinary electric cable is at high temperature, the electric cable loses performance and is easy to damage, signals or electric energy cannot be normally transmitted, the electric cable is extruded from the outside in the using process, the core of the electric wire is easily broken, and therefore the signal and electric power transmission is influenced, and therefore the anti-stretching high-temperature-resistant electric cable is designed.

SUMMERY OF THE UTILITY MODEL

The utility model provides a not enough to prior art, the utility model provides a stretch-proofing high temperature resistant cable solves present wire and cable ambient temperature higher, and ordinary cable easily produces insulating ageing and scorching phenomenon when the high temperature, makes the cable lose the performance, easily receives destruction, can not normally transmit signal or electric energy, and the cable receives outside extrusion in the use, leads to the disconnected core of wire easily to influence signal and power transmission's problem.

In order to achieve the above purpose, the utility model adopts the technical scheme that:

the utility model provides a stretch-proofing high temperature resistant cable, includes protective layer and cable conductor pencil, the protective layer parcel has the fire prevention insulating layer, the inboard of fire prevention insulating layer is provided with the shielding layer, the inboard of shielding layer is provided with interior sheath, the inner chamber of interior sheath forms fills the chamber, the inner chamber packing that fills the chamber has aramid yarn, the outside parcel of cable conductor pencil has the insulating boot, and the cable conductor pencil sets up the inner chamber at filling the chamber.

In the stretch-resistant high-temperature-resistant cable, the cable conductor wire harnesses are provided with a plurality of groups, each cable conductor wire harness is composed of 5-8 oxygen-free copper wires, and the diameter of each oxygen-free copper wire is 0.8-1.2 mm.

In the tensile-resistant high-temperature-resistant cable, the shielding layer is formed by weaving magnesium-aluminum alloy wires.

In the tensile-resistant high-temperature-resistant cable, the insulating sleeve is an insulating wrapping tape made of glass fiber.

The outer wall of the fireproof heat-insulating layer is provided with protrusions, matched connecting grooves are formed in the joints of the inner sides of the protective layers and the protrusions, the protrusions are provided with multiple groups, and the protrusions are arranged along the outer wall of the fireproof heat-insulating layer in a circumferential array mode.

In the aforementioned stretch-resistant high-temperature-resistant cable, the inner surfaces of the insulating sheath and the inner sheath are coated with water-blocking ointment.

In the tensile-resistant high-temperature-resistant cable, the protective layer and the inner protective layer are made of TPU materials.

The utility model has the advantages that: the utility model has the advantages of reasonable design, aramid yarn all fills between cable conductor pencil and the inner sheath, realize the tensile purpose of cable, thereby make the horizontal and vertical various compressive capacity of cable all satisfy, protective layer and inner sheath adopt the TPU material to make, have stronger hardness when using, low temperature pliability, the wearability, resistant environment and resistant marquis type, multilayer structure's cooperation is favorable to improving the anti-destruction and thermal-insulated performance of cable, strengthen the wearability of cable, improve the life of cable, the internal surface of insulating sheath and inner sheath scribbles the oleamen that blocks water, make the cable have the water-proof effect, the insulating sheath is glass fiber's insulating band, make the insulating sheath still have certain stretch resistance under the prerequisite that has the insulating effect, the exterior wall of fire prevention insulating layer is provided with the arch, the arch is equipped with the multiunit, and be arranged along the exterior wall of fire prevention insulating layer in a circle array form, the gripping force between the fireproof heat-insulating layer and the protective layer is stronger, and the overall strength of the cable is enhanced.

Drawings

Fig. 1 is a schematic structural view of the present invention;

fig. 2 is a partially enlarged view of a in fig. 1.

In the figure: 1. protective layer, 2, fire prevention insulating layer, 201, arch, 3, shielding layer, 4, interior sheath, 5, fill the chamber, 6, cable conductor pencil, 7, insulating cover, 8, aramid yarn.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

Referring to FIGS. 1-2: a stretch-proofing high temperature resistant cable comprises a protective layer 1 and cable conductor harnesses 6, the cable conductor harnesses 6 are provided with a plurality of groups, each cable conductor harness 6 is composed of 5-8 oxygen-free copper wires, the diameter of each oxygen-free copper wire is 0.8-1.2mm, the protective layer 1 is wrapped with a fireproof heat-insulating layer 2, the inner side of the fireproof heat-insulating layer 2 is provided with a shielding layer 3, the shielding layer 3 is a shielding layer woven by magnesium-aluminum alloy wires, the inner side of the shielding layer 3 is provided with an inner protection layer 4, an inner cavity of the inner protection layer 4 forms a filling cavity 5, the inner cavity of the filling cavity 5 is filled with aramid yarns 8, the outer side of the cable conductor harnesses 6 is wrapped with an insulating sleeve 7, the insulating sleeve 7 is an insulating tape made of glass fibers, the outer wall of the fireproof heat-insulating layer 2 is provided with a bulge 201, a connecting groove matched with the inner side, and the outer surface wall along fireproof heat insulation layer 2 is arranged in a circumferential array shape, the inner surfaces of insulation sleeve 7 and inner sheath 4 are coated with water-blocking ointment, protective layer 1 and inner sheath 4 are made of TPU material, and cable conductor harness 6 is arranged in the inner cavity of filling cavity 5.

To sum up, the utility model discloses when using, all fill aramid yarn 8 between cable conductor pencil 6 and the inner sheath 4, realize the tensile purpose of cable, thereby make the horizontal and fore-and-aft various compressive capacity of cable all satisfied, protective layer 1 and inner sheath 4 adopt the TPU material to make, have stronger hardness when using, low temperature pliability, the wearability, resistant environment and weather-resistant type, multilayer structure's cooperation, be favorable to improving the destruction resistance and the thermal-insulated performance of cable, strengthen the wearability of cable, the life of cable is improved, the internal surface of insulating sheath 7 and inner sheath 4 scribbles the oleamen that blocks water, make the cable have water-proof effect, insulating sheath 7 is glass fiber's insulating band, make insulating sheath 7 still have certain stretch resistance under the prerequisite that has insulating effect, the exterior wall of fireproof thermal-protective layer 2 is provided with arch 201, the arch 201 is equipped with the multiunit, and the fireproof heat-insulating layer 2 is circumferentially arranged along the outer surface wall of the fireproof heat-insulating layer in an array manner, so that the grabbing force of the fireproof heat-insulating layer 2 and the protective layer 1 is stronger, and the overall strength of the cable is enhanced.

The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a stretch-proofing high temperature resistant cable, includes protective layer (1) and cable conductor pencil (6), its characterized in that: protective layer (1) parcel has fire prevention insulating layer (2), the inboard of fire prevention insulating layer (2) is provided with shielding layer (3), the inboard of shielding layer (3) is provided with interior sheath (4), the inner chamber of interior sheath (4) forms fills chamber (5), the inner chamber packing that fills chamber (5) has aramid yarn (8), the outside parcel of cable conductor pencil (6) has insulating sheath (7), and cable conductor pencil (6) sets up the inner chamber at filling chamber (5).

2. The stretch resistant and temperature resistant cable of claim 1, wherein: the cable conductor wiring harnesses (6) are provided with a plurality of groups, each cable conductor wiring harness (6) is composed of 5-8 oxygen-free copper wires, and the diameter of each oxygen-free copper wire is 0.8-1.2 mm.

3. The stretch resistant and temperature resistant cable of claim 1, wherein: the shielding layer (3) is formed by weaving magnesium-aluminum alloy wires.

4. The stretch resistant and temperature resistant cable of claim 1, wherein: the insulating sleeve (7) is an insulating wrapping tape made of glass fiber.

5. The stretch resistant and temperature resistant cable of claim 1, wherein: the exterior wall of fire prevention insulating layer (2) is provided with arch (201), the inboard of protective layer (1) is equipped with matched with spread groove with the junction of arch (201), arch (201) are equipped with the multiunit, and are circumference array form along the exterior wall of fire prevention insulating layer (2) and arrange.

6. The stretch resistant and temperature resistant cable of claim 1, wherein: and water-blocking ointment is coated on the inner surfaces of the insulating sleeve (7) and the inner protective layer (4).

7. The stretch resistant and temperature resistant cable of claim 1, wherein: the protective layer (1) and the inner protective layer (4) are made of TPU materials.