CN218729950U - Low-speed mobile high-temperature-resistant flexible cable - Google Patents
Low-speed mobile high-temperature-resistant flexible cable Download PDFInfo
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- CN218729950U CN218729950U CN202222570347.2U CN202222570347U CN218729950U CN 218729950 U CN218729950 U CN 218729950U CN 202222570347 U CN202222570347 U CN 202222570347U CN 218729950 U CN218729950 U CN 218729950U
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
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Abstract
A low-speed mobile high-temperature-resistant flexible cable comprises a cable core and a protective layer wrapped outside the cable core, wherein the cable core is formed by stranding a plurality of cable cores and then wrapping a tensile aramid fiber warp and weft woven layer; the protective layer is a silicon rubber outer sheath; filling is arranged between adjacent wire cores; the wire core is formed by wrapping an insulating layer outside a copper conductor, and the insulating layer is formed by fluoroplastic; the copper conductor is formed by stranding a plurality of copper monofilaments; the filling is composed of a plurality of high-temperature resistant rubber strips. The tensile aramid fiber warp and weft woven layer and the high tensile silicone rubber sheath of the cable greatly improve the tensile and wear-resisting properties of the cable; the fluoroplastic insulation, the filler and the high-tensile-strength silicone rubber sheath ensure the high-temperature-resistant low-speed moving performance of the cable.
Description
Technical Field
This technical scheme belongs to cable technical field, specifically is a novel can low-speed remove and use high temperature resistant flexible cable.
Background
In the use scenes such as steel mills, glass factories, shipyards and the like, cables which are resistant to high temperature and can be used movably are needed. For example, the cable of a gantry crane in a steel mill has high temperature in a steel-making workshop of the steel mill, a ladle is transported by the crane, and a driving motor of the crane moves at low speed along with the crane by the cable. The cable needs to be able to withstand very high temperatures, and have good bending properties at high temperatures, and a long service life,
however, most of the common high-temperature-resistant cables can only meet the requirements of fixed laying and use and cannot meet the requirements of mobile use under the high-temperature condition.
Disclosure of Invention
In order to improve the tensile and wear-resisting properties of the high-temperature-resistant cable, the cable can meet the requirements of mobile use. A new high temperature resistant flexible cable that can be moved at low speed is now proposed.
The utility model discloses an adopt following technical scheme to realize:
a low-speed mobile high-temperature-resistant flexible cable structurally comprises a cable core and a protective layer wrapped outside the cable core. The outer diameter range of the cable is 10 mm-30 mm;
the cable core is formed by stranding a plurality of wire cores and wrapping a tensile aramid fiber warp and weft woven layer; the protective layer is a silicon rubber outer sheath; filling is arranged between adjacent wire cores;
the pitch-diameter ratio of the stranding is 20 to 25 times;
the wire core is formed by wrapping an insulating layer outside a copper conductor, the insulating layer is formed by fluoroplastic, and the thickness of the insulating layer is 0.4-0.6 mm;
the cross-sectional area of the copper conductor is 1-16 mm 2 (ii) a The copper conductor is formed by twisting a plurality of copper monofilaments, and the twisting pitch diameter ratio is 10-20 times; the outer diameter of the copper monofilament is 0.193-0.400 mm;
the weaving density of the tensile aramid fiber warp and weft woven layer is 75-80%; the tensile strength of the tensile aramid fiber is not less than 14MPa;
the nominal thickness of the silicon rubber outer sheath is 1.8 mm-2.4 mm, and the tensile strength of the silicon rubber is not less than 8MPa;
the filling is composed of a plurality of high-temperature resistant rubber strips, and the high-temperature resistant rubber strips can resist the temperature of not less than 180 ℃.
In this cable:
the insulating layer is free of impurities, has good rebound resilience after extrusion, and can effectively ensure the insulating property of the cable;
the braided layer is arranged on the insulating outer layer, so that the characteristics of high temperature resistance, chemical resistance, wear resistance, tear resistance, cutting resistance and the like of the cable can be improved, and the safe operation of the cable is effectively protected.
The outer sheath is a high-tensile silicon rubber outer sheath, and the specific thickness effectively ensures the safe laying and operation of the cable.
The filling is the filling of high-temperature resistant rubber strips, the ethylene propylene diene monomer rubber is adopted as the rubber strips for filling in the design of the cable, the specification of the cable can be adopted according to the specification of the cable, and a single rubber strip with the outer diameter of 6mm is suitable for most specifications of cables. The ethylene propylene diene monomer is a saturated high polymer, and has the advantages of good aging resistance, excellent electrical insulation performance, good chemical corrosion resistance and good impact elasticity.
The fluoroplastic insulating layer is formed by extruding fluoroplastic insulating material outside the conductor;
the tensile aramid fiber warp-weft braided layer is formed by braiding the fluoroplastic cable core; the aramid fiber used for the cable can effectively enhance the tensile strength, the wear-resisting strength and the high-temperature resistance of the cable.
The high tensile silicone rubber outer sheath is formed by extruding high tensile silicone rubber sheath materials outside a warp and weft woven layer of tensile aramid fibers.
The utility model discloses following beneficial effect has: the cable is suitable for high-temperature environments, has the performances of super-strong wear resistance, tensile strength and the like, and can meet the mobile use requirements.
Drawings
FIG. 1 is a schematic cross-sectional structure of the present invention;
wherein: 1. a copper conductor; 2. an insulating layer; 3. filling; 4. the tensile aramid fiber warp and weft woven layer; 5. a silicone rubber outer sheath.
Detailed Description
The technical scheme is further explained by the attached drawings and the specific embodiments:
as shown in fig. 1, a low-speed mobile high-temperature resistant flexible cable structurally comprises a cable core and a protective layer wrapped outside the cable core, wherein the outer diameter of the cable is 10 mm-30 mm;
the cable core is formed by stranding a plurality of wire cores and wrapping a tensile aramid fiber warp and weft woven layer; the protective layer is a silicon rubber (the model is XJ-80D in the embodiment) outer sheath 5; filling 3 is arranged between adjacent wire cores;
the pitch-diameter ratio of the stranding is 20 to 25 times;
the wire core is formed by wrapping an insulating layer 2 outside a copper conductor 1, the insulating layer is formed by fluoroplastic (soluble polytetrafluoroethylene PFA is selected in the embodiment), and the thickness of the insulating layer is 0.4-0.6 mm;
the cross-sectional area of the copper conductor is 1-16 mm 2 (ii) a The copper conductor is formed by twisting a plurality of copper monofilaments, and the twisting pitch diameter ratio is 10-20 times; the outer diameter of the copper monofilament is 0.193-0.400 mm;
the weaving density of the tensile aramid fiber warp and weft weaving layer 4 is 75-80%; the tensile strength of the tensile aramid fiber is not less than 14MPa;
the nominal thickness of the (XJ-80D type) silicon rubber outer sheath is 1.8-2.4 mm, and the tensile strength of the (XJ-80D type) silicon rubber is not less than 8MPa;
the filling is composed of a plurality of high-temperature resistant rubber strips, and the high-temperature resistant rubber strips can resist the temperature of not less than 180 ℃.
In this example:
the number of the wire cores is three; in a single wire core, the cross-sectional area of the copper conductor is 2.5mm 2 (ii) a Then:
the cabling stranding pitch diameter ratio of the three wire cores is 20 times;
the copper conductor is formed by stranding a plurality of copper monofilaments with the outer diameter of 0.243mmmm, and the stranding pitch-diameter ratio is 15 times; the outer diameter of the copper monofilament is 0.243 mm-0.246 mm.
The nominal thickness of the insulating layer is 0.4mm, the average thickness of the insulating layer is not less than the nominal value, and the thinnest thickness is not less than 90-0.1 mm of the nominal value.
The diameter of the fiber used by the tensile aramid fiber is 0.2mm, and the weaving density is 80%.
The outer diameter of a single high-temperature resistant rubber strip is 6mm; the high-temperature resistant rubber strip is made of ethylene propylene diene monomer.
The nominal thickness of the silicone rubber outer sheath is 1.8mm.
This cable weaves one deck tensile aramid fiber longitude and latitude weaving layer outside the insulation core, has improved the high temperature resistance and tensile, the wear resistance of cable.
The cable outer sheath is made of the high-tensile-strength silicone rubber outer sheath, so that the wear resistance, cold resistance, tensile strength and tear resistance of the cable are greatly enhanced.
The detection results of the flexible cable are as follows, and the test results are all qualified:
it is above the embodiment of the utility model, the event all is according to the utility model discloses the application scope structure, characteristic and principle the equivalent change or the decoration of doing all include the utility model discloses in the patent application scope.
Claims (8)
1. A low-speed moving high-temperature resistant flexible cable structurally comprises a cable core and a protective layer wrapped outside the cable core, and is characterized in that the outer diameter range of the cable is 10 mm-30 mm;
the cable core is formed by stranding a plurality of wire cores and wrapping a tensile aramid fiber warp and weft woven layer; the protective layer is a silicon rubber outer sheath; filling is arranged between adjacent wire cores;
the pitch-diameter ratio of the stranding is 20 to 25 times;
the wire core is formed by wrapping an insulating layer outside a copper conductor, the insulating layer is formed by fluoroplastic, and the thickness of the insulating layer is 0.4-0.6 mm;
the cross-sectional area of the copper conductor is 1-16 mm 2 (ii) a The copper conductor is formed by twisting a plurality of copper monofilaments, and the twisting pitch diameter ratio is 10-20 times; the outer diameter of the copper monofilament is 0.193-0.400 mm;
the weaving density of the tensile aramid fiber warp and weft woven layer is 75-80%; the tensile strength of the tensile aramid fiber is not less than 14MPa;
the nominal thickness of the silicon rubber outer sheath is 1.8 mm-2.4 mm, and the tensile strength of the silicon rubber is not less than 8MPa;
the filling is composed of a plurality of high-temperature resistant rubber strips, and the temperature resistance of the high-temperature resistant rubber strips is not less than 180 ℃.
2. The low-speed mobile high-temperature-resistant flexible cable as claimed in claim 1, wherein the number of the wire cores is three; in a single wire core, the cross-sectional area of the copper conductor is 2.5mm 2 (ii) a The cable stranding pitch diameter ratio of the three wire cores is 20 times.
3. The low-speed mobile high-temperature-resistant flexible cable as claimed in claim 2, wherein the copper conductor is formed by twisting a plurality of copper monofilaments with an outer diameter of 0.243mm, and the twisting pitch-diameter ratio is 15 times; the outer diameter of the copper monofilament is 0.243-0.246 mm.
4. The low-speed mobile high-temperature-resistant flexible cable according to claim 2, wherein the insulation layer has a nominal thickness of 0.4mm, an average insulation thickness of not less than a nominal value, and a thinnest insulation thickness of not less than 90-0.1 mm of the nominal value.
5. The low-speed mobile high-temperature-resistant flexible cable as claimed in claim 2, wherein the diameter of the fiber used for the tensile aramid fiber is 0.2mm, and the weaving density is 80%.
6. The low-speed mobile high-temperature-resistant flexible cable according to claim 2, wherein a single outer diameter of the high-temperature-resistant rubber strip is 6mm; the high-temperature resistant rubber strip is made of ethylene propylene diene monomer.
7. The low speed mobile high temperature resistant flexible cable of claim 2, wherein the silicone rubber outer jacket has a nominal thickness of 1.8mm.
8. The low speed mobile high temperature resistant flexible cable according to claim 1 or 2, wherein the fluoroplastic of the insulating layer is soluble polytetrafluoroethylene.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222570347.2U CN218729950U (en) | 2022-09-28 | 2022-09-28 | Low-speed mobile high-temperature-resistant flexible cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202222570347.2U CN218729950U (en) | 2022-09-28 | 2022-09-28 | Low-speed mobile high-temperature-resistant flexible cable |
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| Publication Number | Publication Date |
|---|---|
| CN218729950U true CN218729950U (en) | 2023-03-24 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202222570347.2U Active CN218729950U (en) | 2022-09-28 | 2022-09-28 | Low-speed mobile high-temperature-resistant flexible cable |
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| CN (1) | CN218729950U (en) |
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- 2022-09-28 CN CN202222570347.2U patent/CN218729950U/en active Active
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