Low-temperature-resistant winding and dragging cable

Abstract

The utility model provides a low-temperature-resistant winding dragging cable, which relates to the technical field of wires and cables and comprises an outer insulating sleeve, conductors distributed in an annular array are arranged inside the outer insulating sleeve, an inner insulating layer is fixedly sleeved outside the conductors, and a moisture-proof layer is fixedly sleeved inside the outer insulating sleeve. By adopting the combination of various adaptive materials such as the outer insulating sleeve made of fluoroplastic and the inner insulating layer made of silicon rubber, the cable can work normally in an extremely low-temperature environment of lower than-40 DEG C, maintains stable electrical insulation and protection performance and the like, and can be used for protecting the cable under the action of external force such as frequent dragging and bending and the like. By means of good flexibility guaranteed by the oxygen-free copper multi-strand stranded conductor, stability of reasonable structure matching of all layers and external protection provided by the thickened sheath, the problems of internal structure damage, conductor breakage and the like can be avoided, it is ensured that the overall performance of the cable is reliable, and the cable can better adapt to low-temperature complex application scenes needing winding and dragging.

Description

TECHNICAL FIELD

[0001] The utility model relates to wire and cable technical field especially relates to a low temperature resistant winding towed cable. BACKGROUND

[0002] In modern society, cables are widely used in various fields as important carriers for power transmission and signal transmission. However, in practical applications, cables often face various harsh environmental conditions, among which low temperature environment is an important challenge.

[0003] The existing low temperature resistant cable can only work within a certain low temperature range. When the temperature is below the designed minimum temperature of-40℃, the performance of the cable will still be greatly affected. Moreover, the low temperature resistant cable is prone to failure under frequent towing, bending and other conditions. Due to the decrease in flexibility and elasticity of the cable at low temperature, the cable is prone to internal structure damage, conductor breakage and other problems when subjected to external force. SUMMARY

[0004] The utility model discloses a low temperature resistant winding towed cable, which can solve the problems of insulation decline, internal structure damage and conductor breakage of the cable in the environment below-40℃ and during towing and bending.

[0005] To achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A low temperature resistant winding towed cable, comprising an outer insulation sleeve, the inner part of the outer insulation sleeve is provided with conductors arranged in a ring array, the outer part of the conductors is fixedly sleeved with an inner insulation layer, the inner part of the outer insulation sleeve is fixedly sleeved with a moisture-proof layer, a filling layer is arranged between the inner insulation layers and the moisture-proof layer.

[0007] The outer part of the outer insulation sleeve is fixedly sleeved with a first shielding layer, the outer part of the first shielding layer is fixedly sleeved with a wave-absorbing layer, the outer part of the wave-absorbing layer is fixedly sleeved with a second shielding layer, and the outer part of the second shielding layer is fixedly sleeved with a thickened protective sleeve.

[0008] Preferably, the material of the conductors is oxygen-free copper, and the conductors are twisted by multiple thin copper wires, the material of the filling layer is polypropylene net-shaped filling rope, and the material of the moisture-proof layer is polyethylene moisture-proof film.

[0009] Preferably, the material of the outer insulation sleeve is fluoroplastic, and the material of the inner insulation layer is silicone rubber.

[0010] Preferably, the material of the first shielding layer is copper foil, and the material of the wave-absorbing layer is ferrite.

[0011] Preferably, the material of the second shielding layer is stainless steel woven mesh, and the stainless steel woven mesh is woven in a longitudinal and transverse interlaced manner.

[0012] Preferably, the thickened sheath is externally provided with curved anti-skid grooves arranged in an annular array.

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

[0014] In the utility model, by adopting the outer insulation sleeve of fluoroplastic material, the inner insulation layer of silicone rubber material and other various adaptive material combinations, not only can normal work in the extremely low temperature environment below-40 DEG C, maintain stable electrical insulation and protection performance, but also when facing frequent dragging, bending and other external force, the good flexibility ensured by the oxygen-free copper stranded conductor, the stability of the reasonable structure of each layer and the external protection provided by the thickened sheath can avoid the problems of internal structure damage and conductor fracture, and ensure the reliable overall performance of the cable, and better adapt to the complex application scene of low temperature and winding dragging. BRIEF DESCRIPTION OF DRAWINGS

[0015] Fig. 1 A main structure schematic diagram of the low-temperature-resistant winding and dragging cable is provided in the utility model;

[0016] Fig. 2 A structure perspective view of the outer insulation sleeve of the low-temperature-resistant winding and dragging cable is provided in the utility model;

[0017] Fig. 3 A structure perspective view of the thickened sheath of the low-temperature-resistant winding and dragging cable is provided in the utility model.

[0018] Legend: 1, outer insulation sleeve; 2, conductor; 3, inner insulation layer; 4, moisture-proof layer; 5, filling layer; 6, first shielding layer; 7, wave-absorbing layer; 8, second shielding layer; 9, thickened sheath; 10, curved anti-skid groove. DETAILED DESCRIPTION

[0019] The technical scheme in the embodiments of the utility model will be clearly and completely described below in conjunction with 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 of 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.

[0020] For the convenience of understanding the utility model, the following will be described in relation to the utility model more fully, given several embodiments of the utility model, however, the utility model can be realized in many different forms, and is not limited to the embodiments described herein, on the contrary, the purpose of providing these embodiments is to make the disclosure of the utility model more thorough and comprehensive.

[0021] It should be noted that when an element is referred to as being "fixed to" another element, it can be directly on the other element or there can be an intervening element, and when an element is referred to as being "connected to" another element, it can be directly connected to the other element or there can be an intervening element, the terms "vertical", "horizontal", "left", "right" and similar expressions used herein are for illustrative purposes only.

[0022] Unless otherwise defined, all technical and scientific terms used herein have the same meaning as commonly understood by one of ordinary skill in the art to which the utility model belongs, the terminology used in the specification of the utility model herein is only for the purpose of describing specific embodiments and is not intended to limit the utility model, the term "and / or" used herein includes any and all combinations of one or more of the associated listed items.

[0023] Embodiments

[0024] As Figs. 1-3 shown, the utility model provides a kind of technical scheme: a low-temperature-resistant winding towed cable, including outer insulating sleeve 1, the inside of outer insulating sleeve 1 is provided with the conductor 2 of annular array distribution, the outside of conductor 2 is fixedly sleeved with inner insulation layer 3, the inside of outer insulating sleeve 1 is fixedly sleeved with damp-proof layer 4, and filling layer 5 is arranged between multiple inner insulation layers 3 and damp-proof layer 4.

[0025] The outside of outer insulating sleeve 1 is fixedly sleeved with first shielding layer 6, the outside of first shielding layer 6 is fixedly sleeved with wave-absorbing layer 7, the outside of wave-absorbing layer 7 is fixedly sleeved with second shielding layer 8, and the outside of second shielding layer 8 is fixedly sleeved with thickened sheath 9.

[0026] The material of conductor 2 is oxygen-free copper, and conductor 2 is twisted by multiple thin copper wires, and conductor 2 is the core part of cable transmission power and signal, oxygen-free copper has good conductivity, can ensure the efficient transmission of power and signal, and the structure of multiple thin copper wires twisting endows conductor 2 with good flexibility, so that it can adapt to the winding and towed operation of cable, and conductor 2 will not be easily broken due to external force in the process of frequent winding and towed, to ensure the reliability and stability of cable.

[0027] The material of the filling layer 5 is polypropylene net filling rope. The filling layer 5 is located between the multiple inner insulation layers 3 and the moisture-proof layer 4, and plays a role in filling and fixing the internal structure. It is made of polypropylene net filling rope material. The polypropylene net filling rope has good flexibility and filling performance, which can make the internal structure of the cable more compact and stable. When the cable is subjected to external force, the filling layer 5 can play a buffering and protective role, reducing the damage to the internal structure.

[0028] The material of the moisture-proof layer 4 is polyethylene moisture-proof film. The polyethylene moisture-proof film has good moisture-proof performance, which can effectively block external moisture from entering the internal structure of the cable. In a humid environment, the moisture-proof layer 4 can protect the internal structure of the cable from the influence of moisture, ensuring the electrical insulation performance and stability of the cable.

[0029] The material of the outer insulation sleeve 1 is fluoroplastic. The outer insulation sleeve 1 plays a key role in protecting the internal structure. It is made of fluoroplastic material, which has excellent low-temperature resistance. Even in extremely cold environments, it can maintain good flexibility and stability. In an environment with a temperature as low as -40°C or lower, the outer insulation sleeve 1 can still effectively resist the effects of low temperature and prevent the internal structure from being damaged by low temperature. At the same time, fluoroplastic also has excellent chemical corrosion resistance, which can resist the erosion of various chemicals, ensuring that the cable maintains stable performance in complex environments.

[0030] The material of the inner insulation layer 3 is silicone rubber. The inner insulation layer 3 tightly wraps around the outside of the conductor 2, providing electrical insulation protection for the conductor 2. It is made of silicone rubber material, which has excellent flexibility and elasticity in low-temperature environments. It can tightly adhere to the conductor 2, preventing the conductor 2 from contacting the external environment, thereby ensuring good electrical insulation performance. Even in extreme low-temperature conditions, the inner insulation layer 3 will not become brittle or crack due to low temperature, effectively protecting the conductor 2 and avoiding electrical faults.

[0031] The material of the first shielding layer 6 is copper foil. The first shielding layer 6 plays a role in shielding electromagnetic interference. It is made of copper foil material, which has good electrical conductivity and electromagnetic shielding performance. It can effectively reflect and shield external electromagnetic interference. In a complex electromagnetic environment, the first shielding layer 6 can protect the conductor 2 and signals inside the cable from the influence of electromagnetic interference, ensuring stable transmission of electrical energy and signals.

[0032] The material of the wave-absorbing layer 7 is ferrite. The wave-absorbing layer 7 plays a role in absorbing electromagnetic interference. It is made of ferrite material, which has good wave-absorbing performance. It can effectively absorb external electromagnetic interference. In a high-frequency electromagnetic environment, the wave-absorbing layer 7 can work together with the first shielding layer 6 to further improve the electromagnetic shielding effect of the cable, ensuring the quality of electrical energy and signals.

[0033] The material of the second shielding layer 8 is stainless steel woven mesh, and the stainless steel woven mesh is woven in a longitudinal and transverse interlaced manner, and the second shielding layer 8 plays a role in enhancing the electromagnetic shielding effect, which adopts the material of stainless steel woven mesh and is woven in a longitudinal and transverse interlaced manner, and the stainless steel woven mesh has good mechanical strength and electromagnetic shielding performance, which can effectively block external electromagnetic interference, and the longitudinal and transverse interlaced weaving manner makes the second shielding layer 8 more compact and firm, thereby improving the anti-interference ability and stability of the cable.

[0034] The thickened sheath 9 is externally provided with curve anti-skid grooves 10 arranged in a ring array, and the thickened sheath 9 plays a role in protecting the external structure of the cable, which is designed to be thickened, can provide stronger mechanical protection, and prevent the cable from being damaged by external force in the process of winding and dragging, and in a harsh environment, the thickened sheath 9 can effectively protect the internal structure of the cable, prolong the service life of the cable, the curve anti-skid grooves 10 are externally arranged on the thickened sheath 9, play a role in increasing friction and preventing skidding, and the curve anti-skid grooves 10 arranged in a ring array can provide better grip in the process of dragging the cable, prevent the cable from sliding, and effectively improve the dragging safety and stability of the cable on a wet or smooth surface.

[0035] 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 the 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 low temperature resistant, coiled tow cable comprising an outer insulating jacket (1), characterized in that: The inside of the outer insulation sleeve (1) is provided with conductors (2) in annular array, the outside of the conductors (2) is sleeved with inner insulation layers (3), the inside of the outer insulation sleeve (1) is sleeved with a moisture-proof layer (4), a filling layer (5) is arranged between the inner insulation layers (3) and the moisture-proof layer (4); The outside of the outer insulation sleeve (1) is sleeved with a first shielding layer (6), the outside of the first shielding layer (6) is sleeved with a wave-absorbing layer (7), the outside of the wave-absorbing layer (7) is sleeved with a second shielding layer (8), and the outside of the second shielding layer (8) is sleeved with a thickened sheath (9).

2. A low temperature resistant wraparound tow cable according to claim 1, characterized in that: The material of the conductors (2) is oxygen-free copper, and the conductors (2) are twisted by multiple thin copper wires, the material of the filling layer (5) is polypropylene net-shaped filling rope, and the material of the moisture-proof layer (4) is polyethylene moisture-proof film.

3. A low temperature resistant wraparound tow cable according to claim 1, characterized in that: The material of the outer insulation sleeve (1) is fluoroplastic, and the material of the inner insulation layer (3) is silicone rubber.

4. A low temperature resistant wraparound tow cable according to claim 1, wherein: The material of the first shielding layer (6) is copper foil, and the material of the wave-absorbing layer (7) is ferrite.

5. The low temperature resistant wraparound tow cable of claim 1, wherein: The material of the second shielding layer (8) is stainless steel woven mesh, and the stainless steel woven mesh is woven in a longitudinal and transverse interlaced manner.

6. A low temperature resistant wraparound tow cable according to claim 1, wherein: The outside of the thickened sheath (9) is provided with curved anti-skid grooves (10) in annular array.

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