CN211181722U - Cold-resistant spring cable - Google Patents
Cold-resistant spring cable Download PDFInfo
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- CN211181722U CN211181722U CN201922225278.XU CN201922225278U CN211181722U CN 211181722 U CN211181722 U CN 211181722U CN 201922225278 U CN201922225278 U CN 201922225278U CN 211181722 U CN211181722 U CN 211181722U
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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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/14—Extreme weather resilient electric power supply systems, e.g. strengthening power lines or underground power cables
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Abstract
The utility model discloses a cold-resistant spring cable, which belongs to the technical field of cables and comprises a cold-resistant outer layer and a heat preservation inner layer, wherein a conductor layer is arranged in the heat preservation inner layer, a reinforcement layer is arranged between the cold-resistant outer layer and the heat preservation inner layer, I-shaped supports which are uniformly distributed are arranged in the reinforcement layer, and the adjacent I-shaped supports are connected through an arc-shaped reinforcement plate; the utility model discloses increased the compressive capacity of cold-resistant cable, through arc reinforcing plate fixed connection between the I-shaped supports, guaranteed the tensile capacity of cold-resistant cable, prevent cold-resistant cable by being drawn and by under the extruded condition, can take place distortion, the cracked condition even.
Description
Technical Field
The utility model belongs to the technical field of the cable, specifically belong to a cold-resistant spring cable.
Background
Wire and cable are wire products used to transmit electric energy, information and to realize electromagnetic energy conversion. With the rapid development of society, more and more places need to be laid with cables, and the demand of cables is gradually increased.
Due to the fact that temperature difference of different regions is large, requirements on performance of the cable under different working condition environments are different; for a plurality of instrument devices used in cold regions, the performance requirement of cables used for connection is high, the cables work under high and cold conditions and have good low-temperature resistance, and the cold-resistant cables on the market are few and have uneven quality.
The existing cold-resistant cable is generally a spiral spring cable made of PUR or PVC materials, although the cable can be used under extremely cold conditions, the cable works in severe environment for a long time, and the normal service life of the product is relatively short; the cable is distorted and even broken when being pulled and pressed, so that the existing cold-resistant cable needs to be improved.
SUMMERY OF THE UTILITY MODEL
Product life to cold-resistant cable among the prior art is little, the cable is being drawn and by under the extruded condition, can take place distortion, cracked problem even, the utility model provides a cold-resistant spring cable, its aim at: the existing cold-resistant spring cable is improved, and the service life of the cable is prolonged.
The utility model adopts the technical scheme as follows:
the utility model provides a cold-resistant spring cable, is including cold-resistant skin and heat preservation inlayer, be provided with the conductive layer in the heat preservation inlayer, be provided with the enhancement layer between cold-resistant skin and the heat preservation inlayer, be provided with evenly distributed's I in the enhancement layer and support, connect through the arc reinforcing plate between the adjacent I supports.
In the above scheme, set up the I-shaped between cold-resistant skin and the heat preservation inlayer and support, the I-shaped supports most pressure that can bear cold-resistant cable and receive, has increased the compressive capacity of cold-resistant cable, through arc reinforcing plate fixed connection between the I-shaped supports, has guaranteed the tensile capacity of cold-resistant cable, makes like this the utility model provides a cold-resistant spring cable can normal work under the drawing of high strength presses the operating mode, has increased the life of cold-resistant cable.
Preferably, a heating wire is arranged in the conductor layer, power lines are respectively arranged on two sides of the heating wire, and a ground wire is arranged between the power lines. Adopt this preferred scheme, set up the heater in the conductor layer, set up a power cord respectively in the both sides of heater, can produce the heat when power cord, heater and ground wire connect the electricity after like this, balanced the external low temperature of cable, make whole cold-resistant cable also be in normal operating temperature under extremely cold environment, increased the cold-resistant ability of cold-resistant cable.
Preferably, the outer sides of the heating wire, the power line and the ground wire are respectively provided with an insulating shielding layer. Adopt this preferred scheme, set up the insulating shield layer and can effectually protect heater, power cord and ground wire, prevent that external signal from to the interference of cold-resistant cable and prevent that the electric leakage condition from appearing in the cable.
Preferably, the outer side of the conductor layer is provided with an asbestos layer, and the asbestos layer is arranged in the heat-preservation inner layer. Adopt this preferred scheme, set up the asbestos layer, the asbestos has good heat preservation effect, increases the cold-resistant ability of cold-resistant cable.
Preferably, a flame-retardant protective layer is arranged in the heat-insulating inner layer. By adopting the preferred scheme, the flame-retardant protective layer is arranged, so that spontaneous combustion caused by overhigh temperature of the cold-resistant cable is prevented.
Preferably, one end of the I-shaped support is connected with the cold-resistant outer layer, the other end of the I-shaped support is connected with the heat-preservation inner layer, and the I-shaped support is provided with a buffering component. By adopting the preferred scheme, the I-shaped support is provided with the buffer component which can be a spring, rubber damping and the like, so that the flexibility of the cold-resistant cable is improved.
Preferably, the cold-resistant outer layer is made of TPU plastics. With this preferred embodiment, the TPU plastic has cold resistance, abrasion resistance and excellent mechanical properties.
To sum up, owing to adopted above-mentioned technical scheme, the beneficial effects of the utility model are that:
1. the utility model discloses set up the I-shaped between cold-resistant skin and heat preservation inlayer and support, the I-shaped supports most pressure that can bear cold-resistant cable and receive, has increased the compressive capacity of cable, through arc reinforcing plate fixed connection between the I-shaped supports, has guaranteed the tensile strength of cable, is provided with the buffer unit on the I-shaped supports, and the buffer unit can be the spring, and rubber damping etc. improves the pliability of cold-resistant cable. Make like this the utility model provides a cold-resistant spring cable can be normal work under the tension-compression working condition of high strength, has increased the life of cold-resistant cable.
2. Set up the heater in the conductor layer, set up a power cord respectively in the both sides of heater, can produce the heat when power cord, heater and ground wire connect the electricity after like this, balanced the external low temperature of cable, make whole cold-resistant cable also be in normal operating temperature under extremely cold environment, increased the cold-resistant ability of cable.
3. The arrangement of the insulating shielding layer can effectively protect the heating wire, the power line and the ground wire, prevent the interference of external signals to the cable and prevent the cable from generating electric leakage; a flame-retardant protective layer is arranged to prevent spontaneous combustion caused by overhigh temperature of the cold-resistant cable; cold-resistant outer material is the TPU plastics, improves the utility model discloses a cold resistance, wearability and mechanical properties.
Drawings
The invention will now be described, by way of example, with reference to the accompanying drawings, in which:
FIG. 1 is a schematic diagram of: the utility model discloses a schematic diagram of a specific embodiment.
Reference numerals: 1-cold resistant outer layer; 2-heat preservation inner layer; 3-a conductor layer; 4-an enhancement layer; 5-I-shaped support; 6-arc reinforcing plate; 7-a heating wire; 8-a power line; 9-ground wire; 10-an insulating shield layer; 11-a layer of asbestos; 12-flame retardant protective layer.
Detailed Description
All of the features disclosed in this specification, or all of the steps in any method or process so disclosed, may be combined in any combination, except combinations of features and/or steps that are mutually exclusive.
The present invention will be described in detail with reference to fig. 1.
The utility model provides a cold-resistant spring cable, is including cold-resistant outer 1 and heat preservation inlayer 2, be provided with conductive layer 3 in the heat preservation inlayer 2, be provided with enhancement layer 4 between cold-resistant outer 1 and the heat preservation inlayer 2, be provided with evenly distributed's I support 5 in the enhancement layer 4, adjacent I supports and connects through arc reinforcing plate 6 between 5.
The heating wire 7 is arranged in the conductor layer 3, power lines 8 are respectively arranged on two sides of the heating wire 7, and a ground wire 9 is arranged between the power lines 8.
And insulation shielding layers 10 are respectively arranged on the outer sides of the heating wire 7, the power line 8 and the ground wire 9.
The outside of conductor layer 3 is provided with asbestos layer 11, asbestos layer 11 sets up in heat preservation inlayer 2.
And a flame-retardant protective layer 12 is arranged in the heat-insulating inner layer 2.
One end of the I-shaped support 5 is connected with the cold-resistant outer layer 1, the other end of the I-shaped support is connected with the heat preservation inner layer 2, and the I-shaped support 5 is provided with a buffering component.
The cold-resistant outer layer 1 is made of TPU plastics.
In the above solution, as shown in fig. 1, fig. 1 is a schematic diagram of a specific embodiment of a cross section of a cable, the cable of the present invention is made into a spiral cold-resistant spring cable, the cold-resistant outer layer 1 is made of TPU plastic, the service life of the cable is increased by utilizing good cold resistance, wear resistance and excellent mechanical properties such as compression resistance and compression resistance of the TPU plastic, a reinforcing layer 4 is arranged between the heat-insulating inner layer 2 and the cold-resistant outer layer 1, a plurality of i-shaped supports 5 are arranged in the reinforcing layer 4, two ends of the i-shaped supports 5 can be rigid sheets, the middle is a rigid support rod, the two rigid sheets are respectively melt-connected with the cold-resistant outer layer 1 and the heat-insulating inner layer 2 into a whole, a buffer component such as a spring and rubber damping is arranged on the rigid support rod, the shock resistance of the cold-resistant cable is increased, the plurality of i-shaped supports 5 are, the I-shaped supports 5 are connected through the arc-shaped reinforcing plate 6, the tensile capacity of the cold-resistant cable is improved, and the I-shaped supports 5 and the arc-shaped reinforcing plate 6 can be made of plastics such as TPU (thermoplastic polyurethane).
The heat preservation inner layer 2 comprises a flame-retardant protective layer 12, an asbestos layer 11 and a conductor layer 3, the asbestos layer 11 is arranged on the outer side of the conductor layer 3, asbestos has a good heat preservation effect, flame-retardant polyvinyl chloride is filled in the flame-retardant protective layer 12, the cold-resistant cable can be prevented from burning due to overhigh temperature, a heating wire 7 is arranged in the conductor layer 13, a group of power wires 8 are respectively arranged on two sides of the heating wire 7, a ground wire 9 is arranged between the power wires 8 for protection, the heating wire 7, the power wires 8 and the ground wire are electrified, the heating wire 8 heats after the electrification, the whole cold-resistant cable can be at normal working temperature, the cold-resistant cable can normally work in an extremely cold environment, an insulation shielding layer 10 is arranged on the outer sides of the heating wire 7, the power wires 8 and the ground wire 9, the material of the insulation shielding layer 10 is woven by tinned soft copper wires and silane crosslinked polyethylene, the polypropylene powder has good dielectric property, high-frequency insulation property, heat resistance and good acid resistance and alkali resistance.
The above-mentioned embodiments only express the specific embodiments of the present application, and the description thereof is more specific and detailed, but not construed as limiting the scope of the present application. It should be noted that, for those skilled in the art, without departing from the technical idea of the present application, several changes and modifications can be made, which are all within the protection scope of the present application.
Claims (7)
1. The utility model provides a cold-resistant spring cable, includes cold-resistant outer layer (1) and heat preservation inlayer (2), be provided with conductor layer (3), its characterized in that in heat preservation inlayer (2): be provided with enhancement layer (4) between cold-resistant outer layer (1) and heat preservation inlayer (2), be provided with evenly distributed's I support (5) in enhancement layer (4), connect through arc reinforcing plate (6) between adjacent I support (5).
2. The cold-resistant spring cable according to claim 1, wherein: the heating wire (7) is arranged in the conductor layer (3), power lines (8) are respectively arranged on two sides of the heating wire (7), and a ground wire (9) is arranged between the power lines (8).
3. The cold-resistant spring cable according to claim 2, wherein: and insulation shielding layers (10) are respectively arranged on the outer sides of the heating wire (7), the power line (8) and the ground wire (9).
4. The cold-resistant spring cable according to claim 1, wherein: the outside of conductor layer (3) is provided with asbestos layer (11), asbestos layer (11) set up in heat preservation inlayer (2).
5. The cold-resistant spring cable according to claim 1, wherein: and a flame-retardant protective layer (12) is arranged in the heat-insulating inner layer (2).
6. The cold-resistant spring cable according to claim 1, wherein: one end of the I-shaped support (5) is connected with the cold-resistant outer layer (1), the other end of the I-shaped support is connected with the heat-insulating inner layer (2), and a buffer component is arranged on the I-shaped support (5).
7. The cold-resistant spring cable according to claim 1, wherein: the cold-resistant outer layer (1) is made of TPU plastics.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922225278.XU CN211181722U (en) | 2019-12-12 | 2019-12-12 | Cold-resistant spring cable |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201922225278.XU CN211181722U (en) | 2019-12-12 | 2019-12-12 | Cold-resistant spring cable |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211181722U true CN211181722U (en) | 2020-08-04 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201922225278.XU Active CN211181722U (en) | 2019-12-12 | 2019-12-12 | Cold-resistant spring cable |
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| CN (1) | CN211181722U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112327440A (en) * | 2020-11-27 | 2021-02-05 | 安徽长荣光纤光缆科技有限公司 | High-strength extrusion-resistant composite optical cable |
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2019
- 2019-12-12 CN CN201922225278.XU patent/CN211181722U/en active Active
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112327440A (en) * | 2020-11-27 | 2021-02-05 | 安徽长荣光纤光缆科技有限公司 | High-strength extrusion-resistant composite optical cable |
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