CN219370651U

CN219370651U - High-temperature-resistant tensile data cable

Info

Publication number: CN219370651U
Application number: CN202320558184.8U
Authority: CN
Inventors: 李文权; 阮建波; 吴出忠
Original assignee: Shanghai Guqian Intelligent Transmission Co ltd
Current assignee: Shanghai Guqian Intelligent Transmission Co ltd
Priority date: 2023-03-18
Filing date: 2023-03-18
Publication date: 2023-07-18
Anticipated expiration: 2033-03-18

Abstract

The application relates to the technical field of data cables and provides a high-temperature-resistant tensile data cable which comprises a cable and an outer protective layer coated outside the cable, wherein a first filling layer and a wrapping layer coated on the first filling layer are arranged between the cable and the outer protective layer, the cable comprises a framework and a plurality of cable cores distributed along the axis of the framework, and the cable cores are all wrapped on the outer peripheral wall of the framework; the cable core comprises a first pair formed by twisting two wire cores and an inner protective layer coated on the outer side of the wire, a second filling layer is arranged between the wire pair and the inner protective layer, a first anti-pulling rope is arranged in the first filling layer, a plurality of first anti-pulling ropes are arranged along the axis of the framework, a second anti-pulling rope is arranged in the second filling layer, and a plurality of second anti-pulling ropes are arranged along the axis of the cable core. The service life of the data cable is prolonged.

Description

High-temperature-resistant tensile data cable

Technical Field

The application relates to the technical field of data cables, in particular to a high-temperature-resistant tensile data cable.

Background

With rapid development of science and technology and economy, backbone networks and interoffice trunks of wired communication networks have been popularized, and particularly, the wired communication networks are used in workshops such as coking, ironmaking, steelmaking and the like in the metallurgical industry, and data transmission in ultra-high temperature occasions requires a data cable to have strong heat resistance so as to ensure normal transmission of data transmission.

However, with the introduction of automation equipment, the data transmission cable used on the mobile equipment of the welding shop operation table, the smelting plant and the steel plant needs to be matched with the mobile operation, and if the deformation force generated by stretching exceeds the maximum tensile stress of the cable in the moving process, the surface of the data cable may be broken, so that the service life of the data cable is reduced, and further improvement is needed.

Disclosure of Invention

In order to improve the service life of the data cable, the application provides a high-temperature-resistant tensile data cable.

The application provides a high temperature resistant tensile data cable adopts following technical scheme:

the high-temperature-resistant tensile data cable comprises a cable and an outer protective layer coated outside the cable, a first filling layer and a wrapping layer coated on the first filling layer are arranged between the cable and the outer protective layer, the cable comprises a framework and a plurality of cable cores distributed along the axis of the framework, and the cable cores are all wrapped on the outer peripheral wall of the framework; the cable core comprises a plurality of wire cores and an inner protective layer coated outside the wire cores, a second filling layer is arranged between the wire cores and the inner protective layer, a first pull-resisting rope is arranged in the first filling layer, a plurality of first pull-resisting ropes are arranged along the axis of the framework, a second pull-resisting rope is arranged in the second filling layer, and a plurality of second pull-resisting ropes are arranged along the axis of the cable core.

By adopting the technical scheme, when the mobile equipment drives the data cable to move together, the data cable can be deformed by the tensile force generated when the data cable is stretched, and the tensile force acting on the cable can be effectively relieved by arranging the first filling layer and arranging the first anti-pulling rope in the first filling layer so as to improve the tensile property of the cable; and the second filling layer is matched with the second anti-pulling rope which is arranged in the second filling layer, so that the tensile force applied to the cable core can be further effectively relieved, the overall tensile property of the data cable is improved, the possibility of breakage of the tensile force in the data cable is reduced, and the service life of the data cable is prolonged.

Preferably, the first filling layer is a soluble polytetrafluoroethylene layer.

By adopting the technical scheme, the first filling layer is the soluble polytetrafluoroethylene layer, and has strong stretching effect, so that the tensile resistance of the data cable is improved, the dielectric constant after foaming is small, the performance is stable, the low attenuation requirement of signal transmission is met, and the transmission rate of a wire core is improved; and the first tensile rope is matched to fill the space between the cable and the outer protective layer, so that the material can be saved, and the production cost is reduced.

Preferably, a placing groove for clamping and embedding the cable core is formed in the peripheral wall of the framework, and a diversion trench is formed in the position of the placing groove at the notch.

Through adopting above-mentioned technical scheme, through being provided with the standing groove that supplies cable core inlay card on the skeleton to increase the connection steadiness of skeleton to the cable core, thereby strengthen the structural strength of cable, and offered the guiding gutter in standing groove department, so that soluble polytetrafluoroethylene layer flows into guiding gutter and standing groove, thereby further increase the connection steadiness between cable core and the skeleton.

Preferably, the framework is positioned in the diversion trench and is provided with a rough surface layer.

Through adopting above-mentioned technical scheme, through being provided with the rough surface layer to increase the area of contact between soluble polytetrafluoroethylene layer and the skeleton, improve the bonding fastness between cable core and the skeleton then.

Preferably, the outer protective layer comprises a heat insulation layer and a wear-resistant layer arranged outside the heat insulation layer, wherein the outer peripheral wall of the heat insulation layer is convexly provided with ribs, and the inner peripheral wall of the wear-resistant layer is provided with grooves for clamping the ribs.

By adopting the technical scheme, friction can occur between the data cable and the ground in the moving process of the mobile equipment, so that the peripheral wall of the data cable is worn, and at the moment, the wear-resistant layer is arranged outside the heat insulation layer and contacts with the outside before the heat insulation layer, so that the possibility of wearing the peripheral wall of the heat insulation layer is reduced, the heat insulation effect of the heat insulation layer is ensured, the wear-resistant performance of the data cable is enhanced, and the service life of the data cable is further prolonged; when carrying out fixed connection to between insulating layer and the wearing layer, through being provided with the cooperation between bead and the recess to increase the area of contact between insulating layer and the wearing layer, thereby with the connection fastness between increase insulating layer and the wearing layer.

Preferably, the outer peripheral wall of the wear-resistant layer is provided with wear-resistant raised strips.

Through adopting above-mentioned technical scheme, through being provided with wear-resisting sand grip, wear-resisting sand grip is earlier wear-resisting layer and external contact to earlier wear-resisting layer wearing and tearing, further reinforcing cable's wear resistance.

Preferably, the first tensile cord and the second tensile cord are both made of glass fiber materials.

By adopting the technical scheme, as the glass fiber material has high tensile strength, the cable can bear stronger longitudinal breaking force, the cable pulling resistance can be improved, and the service life of the cable can be further prolonged; and the cable also has the characteristic of high temperature resistance, so that the diffusion of external heat to the cable core can be effectively prevented, and the protective performance of the cable at high temperature is improved.

Preferably, the wrapping layer is a flame-retardant glass fiber woven layer.

Through adopting above-mentioned technical scheme, when fixing around between covering and the outer sheath, through will be around the fine weaving layer of covering for fire-retardant glass, owing to it is woven by fire-retardant glass fine and is formed, can effectively improve around the firm in connection between covering and the outer sheath, and still have certain flame retardant effect, reduce the cable core burning in the cable, promote the security performance of cable.

In summary, the utility model has the following beneficial effects:

1. through be equipped with first resistance cable in first filling layer and be equipped with the second resistance cable in the second filling layer, can effectively alleviate the tensile force on acting on the cable and the cable core to improve the pull resistance of cable, thereby improved the life of this data cable.

2. The placing groove for clamping and embedding the cable core is arranged on the framework, so that the connection stability of the framework to the cable core is improved, and the structural strength of the cable is enhanced;

3. through being provided with the wearing layer outside the insulating layer, the wearing layer is preceding insulating layer and external contact to reduce the possibility that wearing and tearing appear in the insulating layer perisporium, with the thermal-insulated effect of guaranteeing the insulating layer, thereby with the wear resistance who strengthens this data cable, further improve data cable's life.

Drawings

FIG. 1 is a schematic diagram of the overall structure of a high temperature resistant tensile data cable according to an embodiment;

FIG. 2 is a schematic view of the structure of the cable core in the embodiment;

fig. 3 is an enlarged partial schematic view of fig. 1 at a.

In the figure, 1, a cable; 2. a skeleton; 21. a placement groove; 22. a diversion trench; 221. a matte layer; 3. a cable core; 31. a wire pair; 311. a wire core; 32. an inner protective layer; 33. a second filler layer; 331. a second tensile cord; 4. a first filler layer; 41. a first tensile cord; 5. wrapping the layer; 6. a waterproof layer; 7. an outer protective layer; 8. a thermal insulation layer; 81. a rib; 9. a wear-resistant layer; 91. a groove; 92. wear-resisting raised strips.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-3.

The embodiment of the application discloses a high-temperature-resistant tensile data cable.

Examples:

a high temperature resistant tensile data cable, referring to fig. 1, comprises a cable 1, a first filling layer 4, a wrapping layer 5, a waterproof layer 6 and an outer protective layer 7 from inside to outside. The cable 1 includes skeleton 2 and cable core 3, and in this embodiment, cable core 3 is provided with a plurality of and around the axis interval distribution of skeleton 2, and standing groove 21 that supplies cable core 3 to place has been seted up to the periphery wall of skeleton 2, provides the mounted position for cable 1 to with the connection stability when increasing cable core 3 and winding up in skeleton 2.

Referring to fig. 1 and 2, the cable core 3 includes a pair 31 and an inner sheath 32, and the inner sheath 32 is made of polytetrafluoroethylene and has insulation so as to reduce the possibility of mutual influence between adjacent cable cores 3. The pair 31 is formed by mutually rotating and twisting two wire cores 311, the inner protective layer 32 is coated outside the pair 31, and a second filling layer 33 is arranged between the pair 31 and the inner protective layer 32, in this embodiment, the second filling layer 33 is a rubber particle filling layer, so as to improve the tensile property of the cable core 3 and prolong the service life of the data cable.

Referring to fig. 1 and 2, in the present embodiment, the first filling layer 4 is made of a soluble polytetrafluoroethylene material, so as to further improve the tensile strength of the cable 1 and improve the transmission rate of the core 311. The first filling layer 4 is fixedly connected to the outer surface of the inner protective layer 32, the first filling layer 4 is internally provided with a plurality of first pulling-resistant ropes 41, the first pulling-resistant ropes 41 are distributed at intervals along the axis of the framework 2, the second filling layer 33 is internally provided with a plurality of second pulling-resistant ropes 331, the second pulling-resistant ropes 331 are distributed at intervals along the axis of the cable core 3, in the embodiment, both the first pulling-resistant ropes 41 and the second pulling-resistant ropes 331 are made of glass fiber materials, and the tensile properties of the first filling layer 4 and the second filling layer 33 are respectively improved, so that the tensile properties of the cable 1 are further improved; and the high temperature resistance of the cable core 3 and the wire pair 31 is improved, thereby further prolonging the service life of the data cable.

Referring to fig. 1, the placement groove 21 is located at the notch and is provided with a diversion trench 22, and the skeleton 2 is located in the diversion trench 22 and is provided with a rough surface layer 221, in this embodiment, the rough surface layer 221 is a trench formed on the surface of the diversion trench 22, so that the surface of the rough surface layer is in a line rugged structure, and when the first filling layer 4 is filled, the rough surface layer can flow into the diversion trench 22, so as to improve the bonding firmness between the cable core 3 and the skeleton 2, and further improve the structural strength of the data cable.

Referring to fig. 1, the wrapping layer 5 is formed by weaving flame-retardant glass fiber materials, and the wrapping layer 5 is wrapped on the first filling layer 4, so that the damage inside the data cable can be reduced due to the high temperature resistance of the glass fiber itself because the data cable needs to be in a high temperature environment for a long time; and because the flame-retardant glass fiber has certain flame retardance, the diffusion of external heat to the direction of the cable core 3 is reduced, so that the possibility of spontaneous combustion of the cable 1 due to overhigh temperature can be reduced, the data cable can be ensured to work normally under the high-temperature condition, and the service life of the data cable is further prolonged.

Referring to fig. 1, the waterproof layer 6 is made of PVC material, and since a large amount of water is required to be used in high-temperature ironmaking or steelmaking workshops, the possibility that external water infiltrates into the inside of the data cable to affect data transmission can be reduced by providing the waterproof layer 6 made of PVC material.

Referring to fig. 1 and 3, the outer protective layer 7 includes a heat insulating layer 8 and a wear-resistant layer 9, in this embodiment, the heat insulating layer 8 is made of a fire-resistant mica tape, and the heat insulating layer 8 is fixedly connected to the waterproof layer 6, and since the fire-resistant mica tape is a high-performance mica insulation product, the cable 1 has excellent high-temperature resistance and combustion resistance, and can work for a long time in a high-temperature environment. The protrusion of the outer peripheral wall of insulating layer 8 is provided with bead 81, and bead 81 is provided with a plurality of and around the axis interval distribution of insulating layer 8, and bead 81 and insulating layer 8 are integrated into one piece setting, and recess 91 that supplies bead 81 to inlay the card has been seted up to the inner peripheral wall of wearing layer 9.

Referring to fig. 1, the wear-resistant layer 9 is made of PUR material, the outer peripheral wall of the wear-resistant layer 9 is provided with wear-resistant raised strips 92 in a protruding manner, the wear-resistant raised strips 92 are provided with a plurality of wear-resistant raised strips 92 and are distributed at intervals around the axis of the wear-resistant layer 9, and the wear-resistant raised strips 92 and the wear-resistant layer 9 are integrally formed. The wear-resistant raised strips 92 and the wear-resistant layer 9 can replace the heat insulation layer 8 to be in contact with the outside, so that the wear-resistant performance of the cable 1 is enhanced, and the service life of the data cable is prolonged.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims

1. The utility model provides a high temperature resistant tensile data cable which characterized in that: the cable comprises a cable (1) and an outer protective layer (7) coated outside the cable (1), a first filling layer (4) and a wrapping layer (5) coated on the first filling layer (4) are arranged between the cable (1) and the outer protective layer (7), the cable (1) comprises a framework (2) and a plurality of cable cores (3) distributed along the axis of the framework (2), and the cable cores (3) are all wrapped on the outer peripheral wall of the framework (2); the cable core (3) comprises a wire pair formed by twisting two wire cores (311) and an inner protection layer (32) coated outside the wire pair (31), a second filling layer (33) is arranged between the wire pair (31) and the inner protection layer (32), a first anti-pulling rope (41) is arranged in the first filling layer (4), a plurality of first anti-pulling ropes (41) are arranged along the axis of the framework (2), a second anti-pulling rope (331) is arranged in the second filling layer (33), and a plurality of second anti-pulling ropes (331) are arranged along the axis of the cable core (3).

2. A high temperature resistant tensile data cable according to claim 1, wherein: the first filling layer (4) is a soluble polytetrafluoroethylene layer.

3. A high temperature resistant tensile data cable according to claim 2, wherein: the cable core (3) is characterized in that a placing groove (21) for placing the cable core (3) is formed in the peripheral wall of the framework (2), and a diversion trench (22) is formed in the position, located at the notch, of the placing groove (21).

4. A high temperature resistant tensile data cable according to claim 3, wherein: the framework (2) is positioned in the diversion trench (22) and is provided with a rough surface layer (221).

5. A high temperature resistant tensile data cable according to claim 1, wherein: the outer protective layer (7) comprises a heat insulation layer (8) and a wear-resistant layer (9) arranged outside the heat insulation layer (8), ribs (81) are arranged on the outer peripheral wall of the heat insulation layer (8) in a protruding mode, and grooves (91) for clamping the ribs (81) are formed in the inner peripheral wall of the wear-resistant layer (9).

6. The high temperature resistant tensile data cable of claim 5, wherein: the outer peripheral wall of the wear-resistant layer (9) is provided with wear-resistant raised strips (92).

7. A high temperature resistant tensile data cable according to claim 1, wherein: the first pulling-resistant rope (41) and the second pulling-resistant rope (331) are made of glass fiber materials.

8. A high temperature resistant tensile data cable according to claim 1, wherein: the wrapping layer (5) is a flame-retardant glass fiber woven layer.