CN218849125U

CN218849125U - Tensile high-temperature-resistant cable

Info

Publication number: CN218849125U
Application number: CN202222881475.9U
Authority: CN
Inventors: 赵英荣; 羊阳; 吴文欢; 薛虹
Original assignee: JIANGSU DONGFENG CABLE CO Ltd
Current assignee: JIANGSU DONGFENG CABLE CO Ltd
Priority date: 2022-10-31
Filing date: 2022-10-31
Publication date: 2023-04-11
Anticipated expiration: 2032-10-31

Abstract

The utility model discloses a tensile high temperature resistant cable, including the cable core, the cable core comprises a plurality of sinle silks and polyurethane foam filler, polyurethane foam filler fills between a plurality of sinle silks. The utility model discloses a have the insulating layer that thermal-insulated silica gel and inorganic mica tape constitute jointly, can effectual isolated external heat, in order to avoid external heat to transmit to the sinle silk, can protect the inside sinle silk of cable through polyethylene steel wire skeleton pipe and the armor of being woven by galvanized steel wire, in order to avoid the sinle silk to damage when tensile, can play good guard action through thermoplastic polyurethane rubber protective layer and wear-resisting fluorine material protective layer, then can make the cable whole stretch-proofing through the sodium bicarbonate powder, still have flame retardant property when high temperature resistance performance.

Description

Tensile high-temperature-resistant cable

Technical Field

The utility model relates to a cable field specifically is a tensile high temperature resistant cable.

Background

In the common silicone rubber cable in the current market, the insulating sheath is generally made of common silicone rubber, and the material has poor fireproof performance and mechanical performance. The cable has the problems of poor acid and alkali resistance, poor chemical solvent, poor bending resistance, easy breakage of copper wires during moving use and the like.

In prior patent 201821057987.0, a tensile high-temperature resistant cable comprises: the bearing part is used for bearing the tensile force applied to the cable; the cable core is arranged on the outer surface of the weighing part in a surrounding manner and is used for transmitting data signals or driving electric energy; the weaving layer is arranged on the outer layer of the cable core in a wrapping mode and used for protecting the cable core on the inner layer; the bearing part is formed by regularly twisting thin metal wires around a hemp rope, the tensile strength is improved, the flexibility is improved, and as such, the requirements of special places such as steel, metallurgy and the like on the electric wire and cable need to meet the necessary conditions of high temperature resistance, flexibility, easiness in installation, dragging resistance, strong bearing capacity, installation time saving and the like. Therefore, a cable which is high in temperature resistance, good in flexibility, good in mechanical property, resistant to abrasion, capable of reducing the outer diameter of the cable and long in service life needs to be developed, however, the inner layer of the cable is woven by using glass fiber yarns with higher temperature resistance level to weave double layers, and the cable is insufficient in fireproof and high temperature resistance due to a single means, and therefore the tensile and high temperature resistant cable is provided.

SUMMERY OF THE UTILITY MODEL

The utility model discloses a solve the problem that exists among the prior art, provide a tensile high temperature resistant cable.

A tensile high temperature resistant cable, the cable core comprises a plurality of sinle silks and polyurethane foam filler, polyurethane foam filler fills between a plurality of sinle silks, the sinle silk includes conductor, shielding aluminium foil, crosslinked polyethylene insulating layer, insulating barrier and copper strips shielding layer, the conductor outside is equipped with the shielding aluminium foil, the shielding aluminium foil outside is equipped with the crosslinked polyethylene insulating layer, crosslinked polyethylene insulating layer outside is equipped with the insulating barrier, the insulating barrier outside is equipped with the copper strips shielding layer, cable core overcoat polyethylene steel wire skeleton pipe, crowded package high temperature resistant layer outside polyethylene steel wire skeleton pipe, crowded package armor outside high temperature resistant layer, cup joint thermoplastic polyurethane rubber protective layer outside the armor, cup joint wear-resisting fluorine material protective layer outside the armor, space department packs sodium bicarbonate powder between armor and thermoplastic polyurethane rubber protective layer.

The improved polyethylene steel wire framework is characterized in that the high-temperature-resistant layer comprises a heat-insulating silica gel layer and an inorganic mica tape, and the heat-insulating silica gel layer and the inorganic mica tape are sequentially extruded on the outer wall of the polyethylene steel wire framework in a double-layer co-extrusion mode.

The improved structure is characterized in that the conductor is a copper conductor single line, a semiconductive aramid fiber wire is arranged outside the copper conductor single line, and the wire is wound on the outer wall of the copper conductor single line after being bundled by the semiconductive aramid fiber wire.

The inorganic mica tape is further improved and woven by double-sided fire-resistant mica tapes, and the double-sided fire-resistant mica tapes are extruded on the outer wall of the heat-insulating silica gel layer after being woven.

The improved structure is characterized in that the heat insulation silica gel layer is made of heat insulation foaming high-temperature resistant silica gel strips, the heat insulation foaming high-temperature resistant silica gel strips are extruded on the outer wall of the polyethylene steel wire framework pipe, and ethylene propylene diene monomer reclaimed rubber is uniformly smeared on the outer wall of the polyethylene steel wire framework pipe.

The improved structure is characterized in that the armor layer is made of braided galvanized steel wires, and the braided galvanized steel wires are tightly wrapped on the outer wall of the double-sided fire-resistant mica tape.

The copper strip shielding layer is formed by weaving soft copper wires and aramid fibers in a mixed mode.

Compared with the prior art, the beneficial effects of the utility model reside in that: the utility model discloses a common insulating layer that constitutes by thermal-insulated silica gel and inorganic mica tape, can effectual isolated external heat, in order to avoid external heat to transmit to the sinle silk, can strengthen holistic stretch-proofing performance through polyethylene steel silk skeleton pipe, when the cable receives the tensile of external force, armor through polyethylene steel silk skeleton pipe and by the galvanized steel wire is compiled can protect the inside sinle silk of cable, in order to avoid the sinle silk to damage when tensile, can play good guard action through thermoplastic polyurethane rubber protective layer and wear-resisting fluorine material protective layer, then can make the cable wholly have the stretch-proofing through sodium bicarbonate powder, still have flame retardant property when high temperature resistance performance.

Drawings

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

FIG. 2 is a schematic structural diagram of a wire core;

FIG. 3 is a schematic structural view of a middle high temperature resistant layer of the present invention;

fig. 4 is a schematic structural diagram of the thermoplastic polyurethane rubber protective layer of the present invention.

In the figure: 11. a wire core; 12. a polyurethane foam filler; 13. polyethylene steel wire skeleton tube; 14. a high temperature resistant layer; 15. an armor layer; 16. a thermoplastic polyurethane rubber protective layer; 17. a wear-resistant fluorine material protective layer; 18. inorganic mica tapes; 19. a heat-insulating silica gel layer; 21. sodium bicarbonate powder; 23. shielding an aluminum foil; 24. a crosslinked polyethylene insulating layer; 25. an insulating shield layer; 26. and a copper strip shielding layer.

Detailed Description

The present invention will be further explained with reference to the accompanying drawings.

1-4, the tensile high temperature resistant cable includes a cable core, the cable core is composed of a plurality of cable cores 11 and a polyurethane foam filler 12, the polyurethane foam filler 12 is filled between the plurality of cable cores 11, the cable cores 11 include a conductor, a shielding aluminum foil 23, a cross-linked polyethylene insulating layer 24, an insulating shielding layer 25 and a copper tape shielding layer 26, the shielding aluminum foil 23 is arranged outside the conductor, the cross-linked polyethylene insulating layer 24 is arranged outside the shielding aluminum foil 23, the insulating shielding layer 25 is arranged outside the cross-linked polyethylene insulating layer 24, the copper tape shielding layer 26 is arranged outside the insulating shielding layer 25, the polyethylene wire framework pipe 13 is sleeved outside the cable core, the high temperature resistant layer 14 is extruded outside the polyethylene wire framework pipe 13, the armor layer 15 is extruded outside the high temperature resistant layer 14, the thermoplastic polyurethane rubber protective layer 16 is sleeved outside the armor layer 15, the wear-resistant fluorine material protective layer 16 is sleeved outside the thermoplastic polyurethane rubber protective layer 16, the gap between the armor layer 15 and the thermoplastic polyurethane rubber protective layer 16 is filled with the sodium bicarbonate powder 21, and the flame-retardant polyurethane powder can inhibit the formation of the flame-retardant cable, and the flame-retardant cable core, thereby the flame-retardant cable core can inhibit the formation of the chemical-catalyzed and the chemical-catalyzed reaction of the secondary-catalyzed sodium bicarbonate powder, and the flame-catalyzed cable core, and the flame-catalyzed sodium bicarbonate powder, and the flame-catalyzed cable can be formed by the flame-catalyzed cable core, and the flame-catalyzed cable can be formed by the flame-catalyzed.

The high-temperature-resistant layer 14 comprises a heat-insulating silica gel layer 19 and an inorganic mica tape 18, the heat-insulating silica gel layer 19 and the inorganic mica tape 18 are sequentially extruded on the outer wall of the polyethylene steel wire framework pipe 13 in a double-layer co-extrusion mode, the overall tensile resistance can be enhanced through the polyethylene steel wire framework pipe 13, the rigidity of the cable is enhanced, external heat can be effectively isolated through a heat-insulating layer formed by the heat-insulating silica gel and the inorganic mica tape 18, so that the external heat is prevented from being transmitted into the cable core 11, and the overall high-temperature resistance can be enhanced.

The conductor adopts the copper conductor single line, and the copper conductor single line outside is semi-conductive aramid fiber silk, will restraint the silk behind the semi-conductive aramid fiber silk bundle silk and wind the package in the outer wall of copper conductor single line, through semi-conductive aramid fiber silk and copper conductor single line function around the package, can strengthen holistic sinle silk 11 rigidity, when the cable wholly receives tensile, can effectually avoid sinle silk 11 to take place the condition of fracture deformation.

The inorganic mica tape 18 is woven by double-sided fire-resistant mica tapes, the double-sided fire-resistant mica tapes are extruded on the outer wall of the heat insulation silica gel layer 19 after being woven, an air layer is formed through the heat insulation silica gel layer 19, heat insulation can be well achieved, therefore, the flame retardant effect is further enhanced, and the overall high temperature resistance of the cable is enhanced.

The heat insulation silica gel layer 19 is made of a heat insulation foaming high-temperature-resistant silica gel strip, the heat insulation foaming high-temperature-resistant silica gel strip is extruded on the outer wall of the polyethylene steel wire framework pipe 13, ethylene propylene diene monomer reclaimed rubber is uniformly smeared on the outer wall of the polyethylene steel wire framework pipe 13, and then the heat insulation foaming high-temperature-resistant silica gel strip can be tightly bonded on the outer wall of the polyethylene steel wire framework pipe 13, so that the whole cable is firmer.

The armor layer 15 is woven by galvanized steel wires, the galvanized steel wires are tightly wrapped on the outer wall of the double-sided fireproof mica tape after being woven, the armor layer 15 woven by the galvanized steel wires can protect the wire cores 11 inside the cable, and the overall tensile resistance is effectively enhanced under the matching of the armor layer 15 and the polyethylene steel wire framework pipe 13.

The copper strip shielding layer 26 is formed by weaving soft copper wires and aramid fibers in a mixed mode, and therefore the overall tensile resistance can be enhanced again.

The utility model discloses the concrete application way is many, and the above-mentioned only is the preferred embodiment of the utility model, should point out, to ordinary skilled person in this technical field, under the prerequisite that does not deviate from the utility model discloses the principle, can also make a plurality of improvements, and these improvements also should be regarded as the utility model discloses a scope of protection.

Claims

1. The utility model provides a tensile high temperature resistant cable which characterized in that: the cable comprises a cable core, the cable core comprises a plurality of sinle silks and polyurethane foam filler, polyurethane foam filler fills between a plurality of sinle silks, and the sinle silk includes conductor, shielding aluminium foil, crosslinked polyethylene insulating layer, insulation shielding layer and copper strips shielding layer, and the conductor outside is equipped with shielding aluminium foil, and shielding aluminium foil outside is equipped with crosslinked polyethylene insulating layer, and crosslinked polyethylene insulating layer outside is equipped with insulation shielding layer, and insulation shielding layer outside is equipped with the copper strips shielding layer, cable core overcoat polyethylene steel wire skeleton pipe extrudes the resistant high temperature layer of package outside polyethylene steel wire skeleton pipe, extrudes the package armor outside resistant high temperature layer, cup joints thermoplastic polyurethane rubber protective layer outside the armor, cup joints wear-resisting fluorine material protective layer outside the interior protective layer, and the gap department fills sodium bicarbonate powder between armor and the thermoplastic polyurethane rubber protective layer.

2. The tensile high temperature resistant cable of claim 1, wherein: the high temperature resistant layer comprises a heat insulation silica gel layer and an inorganic mica tape, and the heat insulation silica gel layer and the inorganic mica tape are sequentially extruded on the outer wall of the polyethylene steel wire framework in a double-layer co-extrusion mode.

3. The tensile high temperature resistant cable of claim 1, wherein: the conductor adopts copper conductor single line, and copper conductor single line outside is the semiconduction aramid fiber silk, wraps the bundle silk in the outer wall of copper conductor single line behind the semiconduction aramid fiber silk bundle silk.

4. The tensile high temperature resistant cable of claim 2, wherein: the inorganic mica tape is woven by double-sided fire-resistant mica tapes, and the woven double-sided fire-resistant mica tapes are extruded on the outer wall of the heat-insulating silica gel layer.

5. The tensile high temperature resistant cable of claim 4, wherein: the heat insulation silica gel layer adopts a heat insulation foaming high-temperature resistant silica gel strip, the heat insulation foaming high-temperature resistant silica gel strip is extruded on the outer wall of the polyethylene steel wire framework pipe, and ethylene propylene diene monomer reclaimed rubber is uniformly smeared on the outer wall of the polyethylene steel wire framework pipe.

6. The tensile high temperature resistant cable of claim 1, wherein: the armor layer is made of zinc-plated steel wires in a weaving mode, and the zinc-plated steel wires are tightly wrapped on the outer wall of the double-sided fireproof mica tape after being woven.

7. The tensile high temperature resistant cable of claim 1, wherein: the copper strip shielding layer is formed by weaving soft copper wires and aramid fibers in a mixed mode.