Self-repairing anti-bending drag chain cable

Abstract

The utility model discloses a self-repairing anti-bending drag chain cable, which comprises a cable core and an outer protective layer wrapping the cable core, and the cable core is provided with a plurality of main lines and tensile reinforcing bundles. The outer sheath is of a three-layer structure, the outer layer wraps the inner layer, the structure of the outer sheath sequentially comprises a wrapping layer, a shielding layer and a self-repairing layer from inside to outside, and the self-repairing layer is a layer of microencapsulated butyl rubber sheath. The self-repairing cable is reasonable in structural design and has the following beneficial effects that the self-repairing cable has self-repairing performance due to the arrangement of the self-repairing layer, when the microencapsulated butyl rubber is damaged by external force on the sheath to generate cracks, the broken microcapsules can release repairing agents to react with surrounding materials to fill the cracks, and the service life of the cable is prolonged. And self-repairing can be quickly realized when the cable is bent and damaged, so that the service life of the cable is effectively prolonged, and the downtime and the maintenance cost of equipment caused by cable damage are reduced.

Description

TECHNICAL FIELD

[0001] The utility model relates to cable technical field especially relates to a self -repairing anti -bending drag chain cable. BACKGROUND

[0002] In the process of modern industrial automation rapid development, as the key link of power and signal transmission between various automation equipment, the application scene of drag chain cable is increasingly widespread and complex. In the operation of high -end equipment such as numerical control machine tool, automated production line, industrial robot, drag chain cable needs to frequently bend, stretch and other actions, and also faces the erosion from complex industrial environment.

[0003] The traditional drag chain cable sheath material exposes a series of problems difficult to overcome in the long-term use. On the one hand, due to frequent bending and friction, the sheath is prone to cracks, damage and other conditions, which not only will lead to internal cable core directly exposed to the outside, suffers mechanical damage and chemical corrosion, further affects the conductive performance and service life of cable, but also can cause safety hazards such as electric leakage, threatens the safety of equipment and personnel. On the other hand, the air tightness and water tightness of ordinary sheath material are poor, cannot effectively block the invasion of external moisture, gas and corrosive chemicals, makes the conductor and insulation layer inside the cable core accelerate aging, reduces the overall performance of cable. Although the existing drag chain cable has bending resistance to a certain extent, when being damaged by large external force bending, manual replacement is needed, increases the maintenance cost and downtime. Therefore, it has important practical significance to develop a kind of drag chain cable which can self-repair and has excellent bending resistance. CONTENT OF UTILITY MODEL

[0004] The utility model aims at providing a kind of self-repairing anti-bending drag chain cable to solve the problem that existing drag chain cable is damaged due to bending fatigue in the long-term use, improve the service life of cable, reduce maintenance cost.

[0005] To effectively solve the problems of the traditional drag chain cable sheath in the background art, a self-repairing anti-bending drag chain cable is developed. The self-repairing layer adopts an extruded microcapsulated butyl rubber sheath material. When the sheath is damaged by external force and cracks, the microcapsules break and release a repairing agent, quickly filling the cracks and restoring the integrity of the sheath, greatly extending the service life of the cable. At the same time, the excellent air and water tightness of butyl rubber can effectively isolate external moisture and gas, providing a reliable protective barrier for the internal cable core, protecting it from corrosion. In addition, the good flexibility and elasticity ensure that the sheath does not crack during frequent bending of the cable, and always maintains effective protection of the cable core. At the same time, its chemical corrosion resistance can adapt to various complex and harsh industrial environments. This innovative design of setting a microcapsulated butyl rubber sheath as a self-repairing layer on the cable fundamentally solves the pain point problem of the traditional drag chain cable sheath, providing a solid guarantee for the stable operation of modern industrial automation equipment.

[0006] To achieve the above purpose, the technical scheme of the utility model provides a kind of self-repairing anti-bending drag chain cable, including cable core and the outer sheath of wrapping the cable core, the cable core is provided with several main lines and tensile reinforcing bundle;The structure of the outer sheath is 3 layers structure, outer layer is wrapped in inner layer, the structure of the outer sheath is in turn from inside to outside as wrapping layer, shielding layer, self-repairing layer, the self-repairing layer is a layer of microcapsulated butyl rubber sheath.

[0007] Further, the tensile reinforcing bundle is a high-strength aramid fiber bundle, and the tensile reinforcing bundle is arranged at the center position of the cable core and the gap between the main lines and the outer sheath.

[0008] Further, the number of main lines is 6, and the main lines are symmetrically arranged around the tensile reinforcing bundle at the center position of the cable core.

[0009] Further, the main line includes a main line core and a main line outer sheath of the main line core.

[0010] Further, the main line core is twisted from a conductor and a conductor reinforcing bundle.

[0011] Further, the conductor is a 6th twisted soft copper conductor twisted from multiple thin copper wires, and the conductor reinforcing bundle is an ultra-high molecular weight polyethylene fiber.

[0012] Further, the main line outer sheath is a 2-layer structure, and the first insulating layer and the second insulating layer are sequentially arranged from inside to outside.

[0013] Further, the first insulating layer is a poly-p-xylylene film, and the second insulating layer is a thermoplastic polyurethane elastomer rubber layer.

[0014] Further, the wrapping layer is an aluminum plastic tape, and the thickness of the aluminum plastic tape is 0.04mm; the shielding layer is a metal braid.

[0015] Further, the shielding layer is a metal braid woven by copper alloy wires.

[0016] In conclusion, the device has reasonable structure design, and has the following beneficial effects by using the technical scheme: the self-repairing layer is arranged in the outer sheath of the cable, so that the cable has self-repairing performance; when the microencapsulated butyl rubber is damaged by external force and cracks are generated in the sheath, the broken microcapsules release the repairing agent to react with the surrounding material to fill the cracks and restore the integrity of the sheath; the cable can be quickly repaired by itself when the cable is damaged by bending, the service life of the cable is effectively prolonged, and the equipment downtime and maintenance cost caused by the damage of the cable are reduced. BRIEF DESCRIPTION OF DRAWINGS

[0017] Figure 1 is a cross-sectional structure schematic view of the self-repairing anti-bending drag chain cable of the utility model;

[0018] Mark 1-conductor; 2-conductor reinforcement bundle; 3-first insulation layer; 4-second insulation layer; 5-tensile reinforcement bundle; 6-wrapping layer; 7-shielding layer; 8-self-repairing layer. DETAILED DESCRIPTION

[0019] The technical scheme 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, but does not constitute the limitation on the protection scope of the utility model.

[0020] In the utility model, in order to describe more clearly, make the following explanation: the observer faces the attached Figure 1 The left front side of the observer is set as front, the right rear side of the observer is set as rear, the left rear of the observer is set as left, the right front of the observer is set as right, the upper surface of the observer is set as upper, and the lower surface of the observer is set as lower, it should be pointed out that the terms "front end", "rear end", "left side", "right side", "middle", "upper", "lower" and the like in the text indicate the orientation or positional relationship based on the orientation or positional relationship of the attached drawings, and are only for the convenience of clearly describing the utility model, and are not indicative or suggestive of the structure or parts indicated having a specific orientation or being constructed in a specific orientation, therefore, it cannot be understood as the limitation on the utility model. In addition, the terms "first", "second", "third", "fourth" are only for the purpose of clarity or simplification of description, and cannot be understood as indicative or suggestive of relative importance or quantity.

[0021] Reference Figure 1The utility model provides a kind of self-repairing anti-bending drag chain cable, including cable core and the outer sheath of wrapping cable core, cable core is provided with several main lines and tensile strength bundle 5;The structure of outer sheath is 3-layer structure, outer layer wraps inner layer, the structure of outer sheath is in order from inside to outside as wrapping layer 6, shielding layer 7, self-repairing layer 8, self-repairing layer 8 is a layer of microencapsulated butyl rubber sheath.

[0022] Self-repairing layer adopts microencapsulated butyl rubber sheath material, brings many irreplaceable beneficial effects:

[0023] 1. Unique self-repairing function: microencapsulated butyl rubber has magical self-repairing performance, when sheath is cracked by external force, the microcapsule broken inside will release repair agent quickly.These repair agents can chemically react with the surrounding material, quickly fill the cracks, so that the sheath returns to the original complete state.This characteristic greatly prolongs the service life of the cable, reduces the frequency of cable replacement due to sheath damage, and reduces maintenance costs.

[0024] 2. Excellent sealing performance: butyl rubber itself has excellent air and water tightness, can act as a strong barrier to effectively block the intrusion of external moisture and gas.This provides reliable protection for the internal cable core, protects it from moisture, humidity and corrosive gases, prevents oxidation of the conductor and damage to the insulation layer, and ensures the stability of the electrical performance of the cable.

[0025] 3. Good flexibility and elasticity: microencapsulated butyl rubber sheath material has excellent flexibility and elasticity, can follow the frequent bending action of the cable without breaking.In the drag chain system, the cable needs to be frequently bent, stretched and other movements.This good flexibility and elasticity ensure that the sheath can always effectively protect the cable core and maintain the integrity of the cable structure.

[0026] 4. Strong chemical corrosion resistance: the material has strong chemical corrosion resistance and can resist the corrosion of various chemicals.In acidic and alkaline environments or other corrosive industrial environments, microencapsulated butyl rubber sheath material can maintain stable performance and is not easily corroded and damaged, so that the cable can adapt to various complex and harsh working environments, widening the application range of the cable.

[0027] 5. Enhance overall reliability: self-repairing elastomer sheath uses microencapsulated butyl rubber sheath material, which enhances the overall performance of the cable from multiple aspects, so that the cable can maintain stable and reliable operation state when facing various complex conditions and harsh environments.This reliability not only improves the working efficiency of the equipment, but also reduces downtime and production loss caused by cable failure.

[0028] As a preferred embodiment of the utility model, the tensile strength reinforcing bundle 5 is a high-strength aramid fiber bundle, and the tensile strength reinforcing bundle 5 is arranged at the center position of the cable core and the gap between the main wire and the outer protective layer.

[0029] As a preferred embodiment of the utility model, the number of the main wire is 6, and the main wire is symmetrically arranged around the tensile strength reinforcing bundle 5 at the center position of the cable core. Specifically, the main wire comprises a main wire core and a main wire outer protective layer of the main wire core.

[0030] Specifically, the main wire core is twisted by the conductor 1 and the conductor reinforcing bundle 2.

[0031] Specifically, the conductor 1 is a type 6 twisted soft copper conductor twisted by a plurality of fine copper wires, and the conductor reinforcing bundle 2 is an ultrahigh molecular weight polyethylene fiber.

[0032] Specifically, the main wire outer protective layer is a 2-layer structure, and the first insulating layer 3, the second insulating layer 4 are sequentially arranged from inside to outside. Specifically, the first insulating layer 3 is a parylene film, and the second insulating layer 4 is a thermoplastic polyurethane elastomer rubber layer. Specifically, the wrapping layer 6 is an aluminum plastic tape wrapped by one layer of overlapping, and the thickness of the aluminum plastic tape is 0.04 mm; the shielding layer 7 is a metal woven mesh woven by copper alloy wires.

[0033] The characteristics of each component of the utility model are as follows:

[0034] 1. Conductor: a type 6 twisted soft copper conductor is adopted. Such a conductor is twisted by a plurality of fine copper wires, has extremely high softness and good bending performance, can comfortably cope with frequent bending actions, and ensures the stability of the electrical conductivity. At the same time, an ultrahigh molecular weight polyethylene fiber is specially added to participate in the bundle twisting. Such a fiber has amazing strength and excellent wear resistance, and can effectively enhance the tensile resistance and wear resistance of the cable. The combination of the two not only improves the mechanical properties of the cable, makes it more tough and durable, but also greatly prolongs the service life of the cable under complex working conditions, and ensures the stable operation of the drag chain system.

[0035] 2. Conductor reinforcing bundle: an ultrahigh molecular weight polyethylene fiber is added during the twisting of the self-repairing elastomer sheath bending-resistant drag chain cable, and the characteristics are remarkable. It has extremely high strength, several times that of steel wire, can greatly enhance the tensile resistance of the cable, and effectively resist external tensile force without breaking. It has excellent wear resistance, can reduce the wear of the cable in the environment of frequent bending and friction, and prolong the service life. It is light in weight, will not increase the overall weight of the cable too much, is convenient to install and use, has good chemical stability, is resistant to acid and alkali corrosion, and is suitable for various complex environments. At the same time, it also has good flexibility, can work cooperatively with the twisted soft copper conductor, etc., improves the overall bending resistance and flexibility of the cable, and ensures the stable operation of the cable.

[0036] 3、First insulation layer: ultra-thin parylene film. The first insulation layer adopts ultra-thin parylene film, which has outstanding advantages. First of all, it has excellent insulation performance, can effectively isolate current and prevent electric leakage, and ensures the safety of electricity. Secondly, it is ultra-thin but high-strength, which can enhance the mechanical properties of the cable without increasing the volume and weight of the cable, and resist external pressure and friction. In addition, parylene has strong chemical stability, is resistant to acid and alkali, and is resistant to corrosion, and can adapt to various complex environments. Moreover, it has good self-lubricity, which can reduce internal friction during cable bending, and cooperates with the self-repairing elastomer sheath to further improve the bending resistance and service life of the cable.

[0037] 4、Second insulation layer: extruded thermoplastic polyurethane elastomer rubber (TPU), which has obvious advantages. TPU has excellent wear resistance, which can effectively resist external friction and prolong the service life of the cable. It has excellent elasticity, which can quickly recover to its original state when the cable is frequently bent, and maintain good insulation performance. In addition, TPU has good oil resistance and chemical resistance, which can adapt to various complex environments. Moreover, thermoplasticity makes it easy to process and shape, which cooperates with the double-layer nested structure to enhance the overall stability and bending resistance of the cable, and also provides reliable protection for the internal conductor to ensure the safe and stable operation of the cable.

[0038] 5、Tensile reinforcing bundle: a tensile reinforcing bundle is arranged at the center of the cable and in the circumferential direction, which uses high-strength aramid fiber bundle as the tensile reinforcing bundle, which has many advantages. First of all, aramid fiber bundle has high strength, which is much higher than ordinary materials, and can effectively withstand various tensile forces during the use of the cable to avoid damage to the cable structure due to excessive tensile force. Secondly, it is light in weight and does not increase the weight burden of the cable as a whole, which is beneficial to the installation and laying of the cable. In addition, aramid fiber bundle has good flexibility and can deform flexibly with the bending of the cable, which can adapt to complex working environments. In addition, it has strong chemical stability and is resistant to acid and alkali corrosion, which can maintain stable performance in harsh environments for a long time, enhance the overall durability of the cable, and ensure the reliable operation of the cable.

[0039] 6、Wrapping layer: after cabling, a layer of 0.04mm thick aluminum plastic tape is overlapped and wrapped, which has many advantages. First of all, aluminum plastic tape can provide good electromagnetic shielding effect, effectively block external electromagnetic interference, and ensure the stability and accuracy of cable signal transmission. Secondly, the overlapping wrapping method enhances the mechanical protection performance of the cable, which can resist a certain degree of external pressure and friction to protect the internal structure from damage. In addition, aluminum plastic tape has certain moisture resistance, which can prevent moisture from entering the inside of the cable and prevent the conductor from being oxidized by moisture. Moreover, the thickness of 0.04mm is moderate, which does not increase the weight too much, but can fully play its protective role and improve the overall performance and service life of the cable.

[0040] 7. Shielding layer: A metal braid woven with high-strength copper alloy wires outside the cable core, which has significant advantages. It can provide excellent mechanical protection for the cable, resisting external pressure, collision, and friction, reducing the risk of cable core damage. At the same time, good flexibility allows it to bend with the cable without easily breaking, adapting to complex working conditions. As a metal material, it has electromagnetic shielding function, effectively blocking external electromagnetic interference, ensuring stable signal transmission. In addition, the copper alloy wire has strong oxidation resistance, prolonging the service life of the cable and enhancing the overall durability and reliability of the cable.

[0041] 8. Self-repairing layer: The self-repairing layer uses an extruded layer of microencapsulated butyl rubber sheath material, which has many significant advantages. First, the self-repairing performance, when the sheath is damaged by external force and cracks, the broken microcapsules will release repair agents and react with the surrounding material to fill the cracks, restoring the integrity of the sheath and prolonging the service life of the cable. Second, butyl rubber itself has excellent air and water tightness, which can effectively block the intrusion of water and gas, protecting the internal cable core from corrosion. Third, it has good flexibility and elasticity, and can withstand frequent bending of the cable without breaking, meeting the needs of drag chain cables. At the same time, it has strong chemical corrosion resistance and can resist the corrosion of various chemicals, adapting to complex and harsh working environments. Finally, this material also has certain insulation properties, which can further improve the electrical safety performance of the cable.

[0042] The microencapsulated butyl rubber sheath composition selected in the utility model is as follows:

[0043] 1. Microcapsule system (8-15% of the total weight of the material):

[0044] ① Core material (60-70% of the microcapsule system): A self-repairing agent composed of liquid butyl rubber and epoxy resin prepolymer plays a key role in repairing the material when damaged. Liquid butyl rubber provides basic rubber properties, and epoxy resin prepolymer crosslinks during the repair process to enhance the repair effect.

[0045] ② Wall material (30-40% of the microcapsule system): A polyurethane / polyurea double-shell with a thickness of 200-500 nm. The double-shell structure provides good protection against premature leakage of the core material, while also having certain flexibility and mechanical strength to ensure the stability of the microcapsules in the material system.

[0046] ③ Modifier (1-3% of the microcapsule system): Nano-silicon dioxide as a modifier can effectively enhance the mechanical strength of the wall material, improve the ability of the microcapsule to resist external damage, and ensure the release of the self-repairing agent at the right time.

[0047] 2. Base material (based on butyl rubber system optimization):

[0048] 3. Masterbatch: Butyl rubber (IIR) accounts for 55-65%, which is the main component of the matrix material, giving the material basic rubber properties such as high air tightness, aging resistance and chemical stability.

[0049] 4. Reinforcing agent: Carbon black N550 accounts for 20-25%, and white carbon black accounts for 5-8%, both of which work together to significantly improve the material's tensile strength, tear strength and wear resistance, and enhance the overall firmness of the material.

[0050] 5. Plasticizer: Paraffin oil accounts for 8-12%, which can increase the flexibility and flowability of the molecular chain, improve the processing performance of the material, and make the material more flexible and elastic during use.

[0051] 6. Functional additives: Antioxidant 1010 accounts for 0.5-1%, which can effectively prevent the material from aging due to oxidation during use, prolonging the service life of the material; the vulcanization system consists of sulfur and accelerator DM, which is used to promote the vulcanization reaction of butyl rubber, forming a stable cross-linked structure and improving the physical and mechanical properties of the material.

[0052] The advantages of using microencapsulated butyl rubber sheath material as a self-repairing layer are as follows:

[0053] 1. Self-repairing performance: When the material is damaged, the microcapsules break and release the internal self-repairing agent. Liquid butyl rubber and epoxy resin prepolymer quickly fill the damaged area, and the epoxy resin prepolymer undergoes cross-linking reaction, achieving self-repairing of the material, effectively prolonging the service life of the material and reducing maintenance costs.

[0054] 2. Excellent mechanical properties: Through the synergistic effect of various reinforcing agents and a reasonable vulcanization system, the material has high tensile strength, tear strength and good wear resistance, and can adapt to various complex use environments and stress conditions.

[0055] 3. Good processing performance: The addition of paraffin oil improves the processing performance of the material, making it easy to be processed into various shapes and sizes through extrusion, injection molding and other processes, meeting the production needs of different industries.

[0056] 4. Outstanding aging resistance: The aging resistance of butyl rubber itself, combined with the effect of antioxidant 1010, greatly improves the material's ability to resist oxidation, ultraviolet light and other factors that cause aging, ensuring stable performance of the material during long-term use.

[0057] 5. Stable structure: The polyurethane / polyurea double-shell structure of the microcapsule and the nanosilica-reinforced wall material ensure the stability of the microcapsule in the matrix material, allowing it to effectively store self-repairing agents and release them precisely when needed.

[0058] In summary, such a self-repairing anti-bending drag chain cable has many significant advantages:

[0059] 1. Excellent mechanical properties: The wire uses a 6th type of twisted soft copper conductor combined with an ultra-high molecular weight polyethylene fiber bundle twist, which not only has high softness, but also can handle frequent bending, and greatly enhances the tensile and wear resistance. At the same time, the ultra-high molecular weight polyethylene fiber in the wire reinforcing bundle is several times stronger than steel wire, further improving the tensile properties of the cable, and its light weight, flexibility, and other components work together to effectively resist external tension and friction, reducing the risk of cable structure damage. In addition, the anti-tensile reinforcing bundle uses high-strength aramid fiber bundles that can withstand various tensions, adapt to complex working environments, and ensure stable operation of the cable under tension.

[0060] 2. Reliable insulation performance: The first insulating layer uses an ultra-thin Parylene film, which has excellent insulation performance and can effectively isolate the current to prevent electrical leakage. The second insulating layer of thermoplastic polyurethane elastomer rubber (TPU) has good elasticity and can quickly recover to its original state when the cable is frequently bent, maintaining good insulation performance and being resistant to oil and chemical corrosion, providing reliable protection for the internal conductor.

[0061] 3. Good shielding performance: After cabling, the wrapping layer is used for wrapping and fixing, and the wrapping layer uses 0.04mm thick aluminum plastic tape overlapping wrapping, which can effectively block external electromagnetic interference and ensure the stability and accuracy of the cable transmission signal. The high-strength copper alloy wire braided metal mesh outside the core not only provides excellent mechanical protection, but also has strong electromagnetic shielding function, further improving the working stability of the cable in complex electromagnetic environment.

[0062] 4. Excellent self-repairing and protection performance: The self-repairing layer uses microencapsulated butyl rubber sheath material, which has a unique self-repairing function and can automatically repair and restore integrity when the sheath cracks. At the same time, butyl rubber has excellent air and water tightness and chemical corrosion resistance, which can effectively block the intrusion of moisture, gas and chemicals, protect the internal cable core, prolong the service life of the cable and improve the electrical safety performance.

[0063] 5. Ability to adapt to complex environments: The various components of the cable, such as ultra-high molecular weight polyethylene fiber, Parylene film, TPU, aluminum plastic tape, copper alloy wire, microencapsulated butyl rubber sheath material, and aramid fiber bundles, all have good chemical stability and are resistant to acid and alkali corrosion, allowing them to adapt to a variety of complex and harsh working environments, ensuring reliable operation of the cable under different working conditions.

[0064] 6、Easy to install and use: the material of each component, such as ultra-high molecular weight polyethylene fiber, aramid fiber bundle, etc. is light in weight, which does not increase too much weight burden on the whole cable, and facilitates the installation and laying of the cable, and reduces the construction difficulty and cost.

[0065] The above is the preferred embodiment of the present application, it should be pointed out that, for those skilled in the art, without departing from the principles of the present application, can make a number of improvements and refinements, these improvements and refinements also as the protection scope of the present application.

Claims

1. A self-repairing kink-resistant drag chain cable comprising a core and an outer jacket surrounding the core, characterized by: The cable core is provided with a plurality of main wires and a tensile reinforcing bundle; the outer sheath has a 3-layer structure, and the outer layer wraps the inner layer; the structure of the outer sheath sequentially comprises a wrapping layer, a shielding layer and a self-repairing layer from inside to outside; the self-repairing layer is a layer of microencapsulated butyl rubber sheath.

2. The self-repairing anti-bending cable chain of claim 1, wherein: The tensile reinforcing bundle is a high-strength aramid fiber bundle, and is arranged at the central position of the cable core and the gap between the main wires and the outer sheath.

3. The self-repairing kink-resistant drag chain cable of claim 2, wherein: The number of the main wires is 6, and the main wires are symmetrically arranged around the tensile reinforcing bundle at the central position of the cable core.

4. The self-repairing anti-bending cable chain of claim 1 or 3, wherein: The main wire comprises a main wire core and a main wire outer sheath of the main wire core.

5. The self-repairing kink-resistant drag chain cable of claim 4, wherein: The main wire core is twisted from a conductor and a conductor reinforcing bundle.

6. The self-repairing kink-resistant drag chain cable of claim 5, wherein: The conductor is a 6th twisted soft copper conductor twisted from a plurality of thin copper wires; and the conductor reinforcing bundle is an ultra-high molecular weight polyethylene fiber.

7. The self-repairing anti-bending cable chain of claim 5 or 6, wherein: The main wire outer sheath has a 2-layer structure, and sequentially comprises a first insulating layer and a second insulating layer from inside to outside.

8. The self-repairing kink-resistant drag chain cable of claim 7, wherein: The first insulating layer is a poly-p-xylylene film, and the second insulating layer is a thermoplastic polyurethane elastomer rubber layer.

9. The self-repairing anti-bending cable chain of any one of claims 1, 3, 5 or 8, wherein: The wrapping layer is a layer of overlapped aluminum plastic tape, and the thickness of the aluminum plastic tape is 0.04 mm; and the shielding layer is a metal woven mesh.

10. The self-repairing kink-resistant drag chain cable of claim 9, wherein: The shielding layer is a metal woven mesh woven by copper alloy wires.

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