Distortion-resistant cable with low-temperature-resistant structure

Abstract

The utility model discloses an anti-twist cable with a low temperature resistant structure, which comprises a wear-resistant layer, a thermal insulation layer, a protective layer, a limiting layer, a plurality of groups of insulation sleeves and a plurality of wires, and the plurality of groups of insulation sleeves are sleeved on the outer cambered surfaces of the corresponding wires; the multiple sets of insulation sleeves are arranged in the limiting layer, the outer arc face of the limiting layer is sleeved with the protection layer, the heat preservation layer is fixedly arranged on the outer arc face of the protection layer, and the abrasion-resistant layer is attached to the outer arc face of the heat preservation layer. The heat insulation layer is arranged to well isolate heat transfer between the inside of the cable and the outside temperature, when the cable is used in a low-temperature environment, the peeling phenomenon is avoided, the insulation limiting plate, the steel strand and the partition limiting plate limit the wire, and when the wire is deformed and bent under stress, the wire and the insulation sleeve extrude the insulation limiting plate and the partition limiting plate, so that the wire is prevented from falling off. The insulation limiting plate and the partition limiting plate reduce the resistance borne by the wire through the elasticity of rubber, and therefore the service life of the whole cable is prolonged.

Description

TECHNICAL FIELD

[0001] The utility model relates to cable technical field, concretely is a kind of anti-torsion cable with low temperature resistant structure. BACKGROUND

[0002] Cable is applied to the special cable of power transmission in power system, the existing power cable is various in function, needs to ensure that cable has the characteristics of surrounding environment resistance.And among them, it is the basic requirement of cable to ensure that cable is firm and not easy to be damaged, not easy to be affected by external temperature and ensure absolute insulation effect, and poor effect makes power cable unable to meet the demand of use.Currently, most cables are only provided with a single protective layer when in use, and the anti-torsion capacity is deviated, and when used in cold environment, the low temperature may cause the cable to peel off, thereby causing the service life of the cable to be low, so we need to provide an anti-torsion cable with low temperature resistant structure. SUMMARY

[0003] The utility model discloses a kind of anti-torsion cable with low temperature resistant structure, by being provided with heat preservation layer, the heat transfer of cable inside and external temperature is well isolated, when cable is used in the environment with lower temperature, avoid the phenomenon of peeling, set up insulation limit board, steel strand and partition limit board are positioned to wire, when wire is deformed and bent under stress, wire and insulating sleeve will be extruded to insulation limit board and partition limit board, insulation limit board and partition limit board utilize the elasticity of its own rubber to reduce the resistance that wire bears, to solve the problem raised in the above background technology.

[0004] To achieve the above object, the utility model provides the following technical scheme: an anti-torsion cable with low temperature resistant structure, including wear-resistant layer, heat preservation layer, protective layer, limit layer, insulating sleeve and wire, the insulating sleeve and wire are all provided with several groups, several groups the insulating sleeve is sleeved on the outer arc surface of corresponding wire;

[0005] Several groups the insulating sleeve are set in the limit layer, the protective layer is sleeved on the outer arc surface of limit layer, the heat preservation layer is fixedly set on the outer arc surface of protective layer, and the wear-resistant layer is attached to the outer arc surface of heat preservation layer;

[0006] The limit layer is provided with a reinforcing module for preventing wire displacement and enhancing torsion resistance.

[0007] Preferably, the reinforcing module includes an insulation limit board, a steel strand and a partition limit board, the insulation limit board and the partition limit board are each provided with several groups, the several groups of insulation limit boards are clamped and arranged in the limit layer, the several groups of partition limit boards are fixedly connected with the corresponding insulation limit boards, and the steel strand is arranged between the several groups of partition limit boards.

[0008] Preferably, the limiting layer is internally provided with insulation sleeve grooves corresponding to the insulation sleeves, and the limiting layer is internally provided with limiting plate grooves corresponding to the insulation limiting plates and the partition limiting plates, and the insulation sleeve grooves and the limiting plate grooves are communicatively arranged.

[0009] Preferably, the insulation limiting plates and the partition limiting plates are rubber plates, and the insulation sleeves are in contact with the corresponding partition limiting plates.

[0010] Preferably, the outer layer of the protective layer is a rubber protective sleeve, and the inner layer of the protective layer is fixedly provided with a thin aluminum tape protective sleeve.

[0011] Preferably, the outer layer of the thermal insulation layer is a polyethylene thermal insulation layer, and the inner layer of the thermal insulation layer is a polyurethane thermal insulation layer.

[0012] Preferably, the wear-resistant layer is a chloroprene rubber layer, and the outer arc surface of the wear-resistant layer is fixedly sleeved with a nylon sleeve.

[0013] Compared with the prior art, the utility model has the advantages that:

[0014] The utility model discloses a cable, which comprises a cable body, an insulation limiting plate, a steel strand and a partition limiting plate, wherein the cable body is internally provided with a plurality of insulation sleeves, and the insulation limiting plate and the partition limiting plate are arranged on the cable body.

[0015] Other features and advantages of the present application will be set forth in the following description of the application, and in part will become apparent to those skilled in the art upon examination of the following or can be learned by practice of the application. The objects and other advantages of the application can be realized and attained by the structure particularly pointed out in the written description and claims hereof as well as the appended drawings. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is an overall structure schematic view of the utility model;

[0017] Figure 2 It is an overall structure extension schematic view of the utility model;

[0018] Figure 3 It is an overall structure explosion drawing of the utility model;

[0019] Figure 4 It is an overall structure sectional view of the utility model.

[0020] In the figure: 1, wear-resistant layer; 2, heat preservation layer; 3, protective layer; 4, limiting layer; 5, insulating sleeve; 6, wire; 7, insulating limiting plate; 8, steel strand; 9, partition limiting plate; 10, insulating sleeve groove; 11, limiting plate groove. DETAILED DESCRIPTION

[0021] The technical solutions in the embodiments of the utility model will be clearly and completely described below with reference to the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by those skilled in the art without creative labor fall within the protection scope of the utility model.

[0022] The utility model provides: a kind of anti-torsion cable with low temperature resistant structure, as shown in Figures 1-4 As shown, including wear-resistant layer 1, heat preservation layer 2, protective layer 3, limiting layer 4, insulating sleeve 5 and wire 6, insulating sleeve 5 and wire 6 are all provided with several groups, and several groups of insulating sleeve 5 are sleeved on the outer arc surface of corresponding wire 6;Several groups of insulating sleeve 5 are arranged in limiting layer 4, protective layer 3 is sleeved on the outer arc surface of limiting layer 4, heat preservation layer 2 is fixedly arranged on the outer arc surface of protective layer 3, wear-resistant layer 1 is attached to the outer arc surface of heat preservation layer 2, and the core function of insulating sleeve 5 is to provide insulation protection, cover the surface of wire 6, effectively isolate current, prevent current leakage or short circuit, and ensure the safe and stable operation of electrical system;

[0023] Limiting layer 4 is internally provided with a reinforcing module for preventing wire 6 displacement and enhancing torsion resistance;The reinforcing module includes insulating limiting plate 7, steel strand 8 and partition limiting plate 9, and the insulating limiting plate 7 and the partition limiting plate 9 are all provided with several groups, and several groups of insulating limiting plate 7 are clamped and arranged in limiting layer 4, and several groups of partition limiting plate 9 are fixedly connected with corresponding insulating limiting plate 7, and steel strand 8 is arranged between several groups of partition limiting plate 9, when insulating limiting plate 7 is clamped into limiting layer 4, insulating limiting plate 7 is fixed to partition limiting plate 9, so that partition limiting plate 9 is clamped in limiting layer 4, and steel strand 8 is arranged between several groups of partition limiting plate 9 in limiting layer 4, and steel strand 8 is a steel product twisted by multiple steel wires, which is usually used for the bearing and fixing of cable, so as to enhance the torsion resistance of cable.

[0024] The limiting layer 4 is internally provided with insulation sleeve grooves 10 corresponding to the insulation sleeves 5, and the limiting layer 4 is internally provided with limiting plate grooves 11 corresponding to the insulation limiting plates 7 and the partition limiting plates 9, and the insulation sleeve grooves 10 and the limiting plate grooves 11 are communicatively arranged; the insulation limiting plates 7 and the partition limiting plates 9 are arranged as rubber plates, and the insulation sleeves 5 are in contact with the corresponding partition limiting plates 9, and the insulation sleeves 5 are clamped into the insulation sleeve grooves 10 after being sleeved on the outer arc surface of the wires 6, so as to limit the insulation sleeves 5, and the insulation limiting plates 7 and the partition limiting plates 9 are clamped into the limiting plate grooves 11 to support the inside of the limiting layer 4, and the insulation limiting plates 7 and the partition limiting plates 9 are arranged as rubber materials, when the wires 6 are deformed and bent under stress, the wires 6 and the insulation sleeves 5 will be pressed to the insulation limiting plates 7 and the partition limiting plates 9, and the insulation limiting plates 7 and the partition limiting plates 9 reduce the resistance borne by the wires 6 by using the elasticity of the rubber, so as to further enhance the anti-twisting property of the cable.

[0025] The outer layer of the protective layer 3 is arranged as a rubber protective sleeve, and the inner layer of the protective layer 3 is fixedly arranged as a thin aluminum tape protective sleeve, and the rubber and the thin aluminum tape protective layer are widely applied in plastic communication cables, and in recent years, they have also been fully valued in plastic power cables, and the combined protection of the protective layer 3 has mechanical protection function, good aging resistance and drug resistance, and prevents external impurities, moisture and mechanical damage.

[0026] The outer layer of the heat preservation layer 2 is arranged as a polyethylene heat preservation layer, and the inner layer of the heat preservation layer 2 is arranged as a polyurethane heat preservation layer, the polyurethane heat preservation material has the characteristics of high density, large compressive strength, low thermal conductivity and the like, is suitable for heat preservation requirements in various temperature ranges, and has good hydrolysis stability and anti-aging performance, and the polyethylene has excellent mechanical strength and impact resistance, and good aging resistance and low temperature resistance, so as to improve the low temperature resistance of the cable, avoid the phenomenon that the cable is peeled off due to low temperature, and further improve the service life of the cable.

[0027] The wear-resistant layer 1 is arranged as a neoprene layer, the neoprene layer can ensure that the core conductor normally conducts electricity in a harsh environment, significantly improves the wear resistance of the cable, and the outer arc surface of the wear-resistant layer 1 is fixedly sleeved with a nylon sleeve, the nylon sleeve has high wear resistance and strength, is commonly used in industrial fields or environments requiring wear resistance, and further improves the service life of the cable as a whole.

[0028] Although the embodiments of the utility model have been shown and described, it can be understood by those skilled in the art that various changes, modifications, replacements and variations can be made to these embodiments without departing from the principles and spirits of the utility model, and the scope of the utility model is defined by the appended claims and their equivalents.

Claims

1. A kink-resistant cable having a low-temperature-resistant structure, characterized by comprising: It includes: wear-resistant layer (1), heat preservation layer (2), protective layer (3), limiting layer (4), insulation cover (5) and wire (6), the insulation cover (5) and wire (6) are provided with several groups, several groups of the insulation cover (5) are sleeved on the outer arc surface of corresponding wire (6); Several groups of the insulation cover (5) are arranged in the limiting layer (4), the protective layer (3) is sleeved on the outer arc surface of the limiting layer (4), the heat preservation layer (2) is fixedly arranged on the outer arc surface of the protective layer (3), and the wear-resistant layer (1) is attached to the outer arc surface of the heat preservation layer (2); The limiting layer (4) is provided with a reinforcing module for preventing displacement of the wire (6) and enhancing torsional resistance.

2. The kink-resistant cable having a low-temperature resistant construction of claim 1, wherein: The reinforcing module comprises an insulation limiting plate (7), a steel strand (8) and a partition limiting plate (9), the insulation limiting plate (7) and the partition limiting plate (9) are provided with several groups, the insulation limiting plate (7) is arranged in the limiting layer (4), the partition limiting plate (9) is fixedly connected with the corresponding insulation limiting plate (7), and the steel strand (8) is arranged between the several groups of partition limiting plates (9).

3. A kink-resistant cable having a low temperature resistant construction according to claim 2, characterized in that: The limiting layer (4) is provided with an insulation cover groove (10) corresponding to the several groups of insulation cover (5), the limiting layer (4) is provided with a limiting plate groove (11) corresponding to the several groups of insulation limiting plate (7) and partition limiting plate (9), and the insulation cover groove (10) and the limiting plate groove (11) are communicated.

4. The kink-resistant cable having a low temperature resistant construction of claim 2, wherein: The insulation limiting plate (7) and the partition limiting plate (9) are arranged as rubber plates, and the several groups of insulation cover (5) are in contact with the corresponding partition limiting plate (9).

5. The kink-resistant cable having a low temperature resistant construction of claim 1, wherein: The outer layer of the protective layer (3) is arranged as a rubber protective sleeve, and the inner layer of the protective layer (3) is fixedly arranged as a thin aluminum strip protective sleeve.

6. The kink-resistant cable having a low temperature resistant construction of claim 1, wherein: The outer layer of the heat preservation layer (2) is arranged as a polyethylene heat preservation layer, and the inner layer of the heat preservation layer (2) is arranged as a polyurethane heat preservation layer.

7. The kink-resistant cable having a low temperature resistant construction of claim 1, wherein: The wear-resistant layer (1) is arranged as a neoprene layer, and a nylon sleeve is fixedly sleeved on the outer arc surface of the wear-resistant layer (1).

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