CN213781631U - High-flexibility oil-resistant tensile control cable - Google Patents
High-flexibility oil-resistant tensile control cable Download PDFInfo
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- CN213781631U CN213781631U CN202121092700.XU CN202121092700U CN213781631U CN 213781631 U CN213781631 U CN 213781631U CN 202121092700 U CN202121092700 U CN 202121092700U CN 213781631 U CN213781631 U CN 213781631U
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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 high-flexibility oil-resistant tensile control cable is structurally characterized in that: the conductor coated with the insulating layer forms a wire core; the inner cable core is formed by twisting a plurality of wire cores and the tensile filling rope; the non-woven fabric layer is coated outside the inner cable core; the non-woven fabric layer is formed by overlapping and lapping non-woven fabrics; a plurality of wire cores are stranded outside the non-woven fabric layer to form an outer cable core; the outer cable core is wrapped with a polyester tape layer; the polyester tape layer is formed by overlapping and lapping polyester tapes; a shielding layer is coated outside the polyester tape layer; the shielding layer is externally wrapped by an outer sheath; the conductor is formed by stranding a plurality of bare copper monofilaments or a plurality of tin-plated copper monofilaments. The cable is suitable for high-flexibility oil-resistant tensile control cable connection systems with higher requirements on mechanical pressure resistance, torsional stress resistance and tensile stress resistance, such as shield systems, bucket wheel systems, lifting systems and the like.
Description
Technical Field
The utility model relates to a tensile control cable, in particular to high flexibility resistant oily tensile control cable belongs to cable technical field.
Background
With the development of science and technology, more and more automatic, mechatronic equipment is provided, and these equipment need control cable to carry out the transmission of control signal more. The functions, applications, and the like of these apparatuses are various, such as heavy oil polluted environments, reciprocating motions, and the like. This puts high demands on the performances of the control cable such as signal interference resistance, oil resistance, softness and tensile strength.
Disclosure of Invention
The utility model aims at providing a high flexibility resistant oily tensile control cable, it not only needs the strict control external diameter, has reliable electrical properties, and characteristics such as resistant oil, ageing resistance still have simultaneously to the super high compliance. In order to achieve the technical purpose, the utility model adopts the following technical scheme:
the utility model provides a high flexible resistant oily tensile control cable, the external diameter scope of cable is 9.9 ~ 14.8mm, and its structure is:
a conductor 1 coated with an insulating layer 2 forms a wire core 3;
the inner cable core 5 is formed by twisting a plurality of wire cores 3 and the tensile filling rope 4, and the twisting pitch-diameter ratio is 16-30 times;
the inner cable core 5 is externally coated with a non-woven fabric layer 6; the non-woven fabric layer 6 is formed by overlapping and lapping non-woven fabrics, and the lapping and covering rate is not less than 25%;
a plurality of wire cores 3 are twisted outside the non-woven fabric layer 6 to form an outer cable core 7, and the twisting pitch-diameter ratio is 16-30 times;
the outer cable core 7 is externally coated with a polyester tape layer 8; the polyester tape layer 8 is formed by overlapped and lapped polyester tapes, and the lapping and covering rate of the lapping is not less than 25%;
a shielding layer 9 is coated outside the polyester tape layer 8; the shielding layer 9 is formed by weaving steel wires, and the weaving density is not less than 80%;
the shielding layer 9 is externally coated with an outer sheath 10 formed by sheath materials;
the conductor 1 is a category 6 bare copper soft conductor or a tinned copper soft conductor which meets the IEC60228 requirements; the bare copper soft conductor is formed by stranding a plurality of bare copper monofilaments, and the stranding pitch-diameter ratio is 18-25 times; or the tin-plated copper soft conductor is formed by stranding a plurality of tin-plated copper monofilaments, and the stranding pitch-diameter ratio is 18-25 times; the nominal diameter range of the bare copper monofilament or the tinned copper monofilament is 0.145 mm-0.193 mm;
the insulating layer 2 is made of TPE elastomer insulating material; the nominal thickness range of the insulating layer 2 is 0.6-0.8 mm;
the sheathing material is an oil-resistant TPU elastomer sheathing material; the nominal thickness of the outer sheath 10 is in the range of 1.5 to 1.8 mm.
By adopting the structure, the electric performance is ensured, and the outer diameter of the cable is controlled in a smaller range.
Further: the tensile type filling rope 4 is a twisted nylon rope, and the tensile strength is 250 Mpa.
Further: the polyester tape layer 8 has an inner layer and an outer layer, which are respectively formed by polyester tapes lapped and lapped, and the lapping and covering rate of the polyester tapes is not less than 25%.
Further: the lapping and covering rate of the non-woven fabric layer 6 is 28-30%, and the thickness and the mechanical property are considered.
The insulating layer 2 is formed by extruding insulating materials through a thin wall. The outer sheath 10 is formed by extruding sheath materials through a tube extruding type production.
Specifically, the method comprises the following steps: guide tubeThe cross-sectional area of the body 1 is 1.0mm2The outer diameter of the cable is 11.9 mm.
The nominal thickness of the nonwoven is 0.1mm, the nominal thickness of the polyester tape is 0.04mm and the nominal diameter of the steel filaments is 0.15 mm.
The conductor 1 is formed by stranding a plurality of tin-plated copper monofilaments with the nominal diameter of 0.193mm, and the stranding pitch-diameter ratio is 22 times.
The twisting pitch-diameter ratio of the inner cable core 5 is 20 times; the twist pitch ratio of the outer cable core 7 is 25 times.
The thickness of the insulating layer 2 is 0.6 mm; the thickness of the outer sheath 10 is 1.5 mm.
After the technical scheme is adopted, the utility model discloses following beneficial effect has:
the two-layer cable core design of interior cable core and outer cable core adopts the secondary cabling structure for the cable has better compliance.
The conductor adopts the category 6 bare copper soft conductor or the tinned copper soft conductor, improves the softness of the cable, and is more suitable for laying in a twisting area.
In order to prevent the cable from breaking under tension and resist signal interference and ensure normal use and circuit safety, the tensile filling rope is used as a reinforcing core and a shielding layer is adopted, and meanwhile, the structural design meets the use requirement of higher flexibility of the cable.
The insulating layer adopts the TPE elastomer insulating material of high electric property, has outstanding electric property, and ageing resistance is good simultaneously, is fit for indoor outer circuit protection function equipment construction that needs, improves the life of cable. The thin-wall extrusion structure is matched with a high-electrical-property insulating material, so that the product performance is ensured, the outer diameter is reduced, and the circuit is more suitable for circuit installation in a narrow area.
The outer sheath is made of extruded tube type oil-resistant TPU elastomer sheath materials, and has the characteristics of ageing resistance, high flexibility, mineral oil resistance and the like. The derivative products with corresponding functions/properties of the material can have special properties such as environmental protection property, low temperature resistance, ultraviolet resistance, wear resistance and the like, and the corresponding cable can have better environmental adaptability, higher safety and higher flexibility.
The high-flexibility tensile control cable with the structure is more suitable for a shield system, a bucket wheel system, a lifting system and the like, and has high mechanical pressure resistance, torsional stress resistance and tensile stress resistance.
Drawings
Fig. 1 is a schematic view of the radial cross section structure of the present invention.
In the figure: the cable comprises a conductor 1, an insulating layer 2, a wire core 3, a tensile filling rope 4, an inner cable core 5, a non-woven fabric layer 6, an outer cable core 7, a polyester tape layer 8, a shielding layer 9 and an outer sheath 10.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings and specific embodiments.
Referring to fig. 1, a high flexibility resistant oily tensile control cable, the external diameter scope of cable is 9.9 ~ 14.8mm, and its structure is:
a conductor 1 coated with an insulating layer 2 forms a wire core 3;
the inner cable core 5 is formed by twisting a plurality of wire cores 3 and the tensile filling rope 4, and the twisting pitch-diameter ratio is 16-30 times;
the inner cable core 5 is externally coated with a non-woven fabric layer 6; the non-woven fabric layer 6 is formed by overlapping and lapping non-woven fabrics, and the lapping and covering rate is not less than 25%.
A plurality of wire cores 3 are twisted outside the non-woven fabric layer 6 to form an outer cable core 7, and the twisting pitch-diameter ratio is 16-30 times;
the outer cable core 7 is externally coated with a polyester tape layer 8; the polyester tape layer 8 is formed by overlapped and lapped polyester tapes, and the lapping and covering rate of the lapping is not less than 25%;
a shielding layer 9 is coated outside the polyester tape layer 8; the shielding layer 9 is formed by weaving steel wires, and the weaving density is not less than 80%.
The shielding layer 9 is externally coated with an outer sheath 10;
the conductor 1 is a category 6 bare copper soft conductor or a tinned copper soft conductor which meets the IEC60228 requirements; the bare copper soft conductor is formed by stranding a plurality of bare copper monofilaments, and the stranding pitch-diameter ratio is 18-25 times; or the tin-plated copper soft conductor is formed by stranding a plurality of tin-plated copper monofilaments, and the stranding pitch-diameter ratio is 18-25 times; the nominal diameter range of the bare copper monofilament or the tinned copper monofilament is 0.145 mm-0.193 mm;
the insulating layer 2 is made of TPE elastomer insulating material; the nominal thickness range of the insulating layer 2 is 0.6-0.8 mm;
the outer sheath 10 is made of an oil-resistant TPU elastomer sheath material; the nominal thickness of the outer sheath 10 is in the range of 1.5 to 1.8 mm.
The tensile type filling rope 4 is a twisted nylon rope, and the tensile strength is 250 Mpa.
The polyester tape layer 8 has an inner layer and an outer layer, which are respectively formed by polyester tapes lapped and lapped, and the lapping and covering rate of the polyester tapes is not less than 25%. The lapping and covering rate of the non-woven fabric layer 6 is 28-30%.
In the present example:
in the cable of this example, the cross-sectional area of the conductor 1 is 1.0mm2And the outer diameter of the cable is 11.9mm under the conductor with the specification. To ensure the performance of the cable:
the conductor 1 is formed by stranding a plurality of tin-plated copper monofilaments, and the stranding pitch diameter ratio is 22 times; the tin-coated copper monofilament used had a nominal diameter of 0.193 mm;
the thickness of the insulating layer 2 is 0.6 mm; the thickness of the outer sheath 10 is 1.5 mm;
the twisting pitch-diameter ratio of the inner cable core 5 is 20 times;
the twisting pitch-diameter ratio of the outer cable core 7 is 25 times;
the nominal thickness of the nonwoven is 0.1mm, the nominal thickness of the polyester tape is 0.04mm and the nominal diameter of the steel filaments is 0.15 mm.
During manufacture, the insulating layer 2 is formed by extruding TPE elastomer insulating material (the model/brand selected in the embodiment is JR-90) through a thin wall. The outer sheath 10 is formed by extruding an oil-resistant TPU elastomer sheath material (the type/brand selected in the embodiment is TPU-PS 7398) in a pipe extruding mode.
Through detection, the tensile property of the cable can reach as follows: bearing 980N tensile force; the softness can reach the following: the bending radius is 4 times of the outer diameter of the cable; the oil resistance can reach: the oil is soaked for 24 hours at the temperature of 90 ℃, and the change rate of the mechanical property is less than or equal to 40 percent.
The utility model discloses be not limited to above-mentioned embodiment, the technical scheme that all adopt equal or equivalent replacement to form all falls into the protection scope of the utility model.
Claims (9)
1. The utility model provides a high flexible resistant oily tensile control cable, the external diameter scope of cable is 9.9 ~ 14.8mm, and characterized by structure is:
a conductor (1) coated with an insulating layer (2) forms a wire core (3);
the inner cable core (5) is formed by twisting a plurality of wire cores (3) and the tensile filling rope (4), and the twisting pitch-diameter ratio is 16-30 times;
the inner cable core (5) is externally coated with a non-woven fabric layer (6); the non-woven fabric layer (6) is formed by overlapping and lapping non-woven fabrics, and the lapping and covering rate is not less than 25%;
a plurality of wire cores (3) are twisted outside the non-woven fabric layer (6) to form an outer cable core (7), and the twisting pitch-diameter ratio is 16-30 times;
the outer cable core (7) is coated with a polyester tape layer (8); the polyester tape layer (8) is formed by overlapped and lapped polyester tapes, and the lapping and covering rate of the lapping is not less than 25%;
a polyester tape layer (8) is coated with a shielding layer (9); the shielding layer (9) is formed by weaving steel wires, and the weaving density is not less than 80%;
the shielding layer (9) is coated with an outer sheath (10);
the conductor (1) is a category 6 bare copper soft conductor or a tinned copper soft conductor which meets the IEC60228 requirements;
the bare copper soft conductor is formed by stranding a plurality of bare copper monofilaments, and the stranding pitch-diameter ratio is 18-25 times; the nominal diameter range of the bare copper monofilament is 0.145 mm-0.193 mm;
the tin-plated copper soft conductor is formed by stranding a plurality of tin-plated copper monofilaments, and the stranding pitch-diameter ratio is 18-25 times; the nominal diameter range of the tin-plated copper monofilament is 0.145 mm-0.193 mm;
the insulating layer (2) is made of TPE elastomer insulating materials; the nominal thickness range of the insulating layer (2) is 0.6-0.8 mm;
the outer sheath (10) is made of an oil-resistant TPU elastomer sheath material; the nominal thickness range of the outer sheath (10) is 1.5-1.8 mm.
2. The high flexibility, oil resistance and tensile control cable according to claim 1, wherein the tensile type filling rope (4) is a twisted nylon rope having a tensile strength of 250 Mpa.
3. A highly flexible oil-resistant tensile control cable according to claim 1, wherein said polyester tape layer (8) has an inner layer and an outer layer, each of which is formed by overlapping polyester tapes, and both of which have a lapping coverage rate of not less than 25%.
4. The high-flexibility oil-resistant tensile control cable according to claim 1, wherein the lapping coverage rate of the non-woven fabric layer (6) is 28-30%.
5. A highly flexible oil resistant tensile control cable according to claim 1, 2 or 3, wherein the cross-sectional area of said conductor (1) is 1.0mm2The outer diameter of the cable is 11.9 mm.
6. A highly flexible, oil resistant and tensile control cable according to claim 5, wherein the nominal thickness of the non-woven fabric is 0.1mm, the nominal thickness of the polyester tape is 0.04mm, and the nominal diameter of the steel wires is 0.15 mm.
7. A highly flexible oil resistant tensile control cable according to claim 5, wherein the conductor (1) is formed by stranding a plurality of tin-plated copper monofilaments having a nominal diameter of 0.193mm, and the stranding pitch diameter ratio is 22 times.
8. The high-flexibility oil-resistant tensile control cable according to claim 5, wherein the stranding pitch diameter ratio of the inner cable core (5) is 20 times; the ratio of the twisted pitch to the diameter of the outer cable core (7) is 25 times.
9. A highly flexible oil resistant tensile control cable according to claim 5, wherein the thickness of the insulating layer (2) is 0.6 mm; the thickness of the outer sheath (10) is 1.5 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121092700.XU CN213781631U (en) | 2021-05-21 | 2021-05-21 | High-flexibility oil-resistant tensile control cable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202121092700.XU CN213781631U (en) | 2021-05-21 | 2021-05-21 | High-flexibility oil-resistant tensile control cable |
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| CN213781631U true CN213781631U (en) | 2021-07-23 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202121092700.XU Active CN213781631U (en) | 2021-05-21 | 2021-05-21 | High-flexibility oil-resistant tensile control cable |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113674912A (en) * | 2021-08-17 | 2021-11-19 | 江苏中天科技股份有限公司 | Anti-twisting flexible cable and production method thereof |
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2021
- 2021-05-21 CN CN202121092700.XU patent/CN213781631U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113674912A (en) * | 2021-08-17 | 2021-11-19 | 江苏中天科技股份有限公司 | Anti-twisting flexible cable and production method thereof |
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