CN210136731U

CN210136731U - Service robot body cable with self-repairing insulation breakdown function

Info

Publication number: CN210136731U
Application number: CN201921301195.8U
Authority: CN
Inventors: 王新华
Original assignee: Shenzhen Ainpai Technology Co Ltd
Current assignee: Shenzhen Ainpai Technology Co Ltd
Priority date: 2019-08-06
Filing date: 2019-08-06
Publication date: 2020-03-10
Anticipated expiration: 2029-08-06

Abstract

The utility model discloses a take self-repairing insulation breakdown function's service robot body cable, include: the cable coating comprises a cable coating body, a middle-quilt insulator, a self-repairing colloid and 4 insulating core wires, wherein the middle-quilt insulator is positioned in the cable coating body; a repair pipeline is formed in the insulated body in the wire, the repair pipeline comprises a first pipeline and 4 second pipelines communicated with the first pipeline, the self-repair colloid is positioned in the first pipeline, and the insulated core wire is positioned in the second pipeline; the insulated core wire comprises a wire conductor and a TPEE insulating layer coated outside the wire conductor; and when the self-repairing colloid in the first pipeline melts, the self-repairing colloid flows into the second pipeline and carries out bidirectional repairing on the TPEE insulating layer of the insulating core wire and the pipe wall of the second pipeline. The utility model discloses can two-way restoration internal insulation layer and outside restrictive coating crackle by oneself to reach safe effect of carrying the electromagnetic energy signal and using safely for a long time.

Description

Service robot body cable with self-repairing insulation breakdown function

Technical Field

The utility model relates to a selfreparing cable especially relates to a service robot body cable of insulating breakdown function is restoreed by oneself in area.

Background

With the continuous innovation of high and new cable manufacturing technology and the lean development of the quality of composite special high polymer materials, an elastic wire with a self-repairing function is proposed at present abroad, the elastic wire consists of a liquid metal wire core and a polymer sheath, and the metal wire core has excellent electric conductivity, certain ductility and a self-repairing function and great potential in application in extreme environments. Firstly, a tiny pipeline of a 'micro-fluid pipeline' is manufactured in a polymer with a self-repairing function, then liquid metal is injected into the micro-fluid pipeline and serves as a conductive material, the wire sheath is a stretchable polymer material, a core wire of the wire sheath is made of the liquid metal material, and the conductive performance is not influenced when the wire sheath is stretched; secondly, when the lead is scratched and damaged in a small size, the liquid metal can be quickly oxidized to form a layer of substance similar to skin, so that the liquid metal is prevented from seeping out of the sheath; when the wire is seriously damaged or completely cut off, the liquid metal can be automatically reconnected to connect a circuit as long as the broken end is reconnected. Meanwhile, the polymer sheath can play a self-repairing function to form a new molecular bond to gradually repair the damaged part. The elastic lead greatly improves the durability of electronic equipment and has potential application value in the fields of flexible electronic equipment, complex circuit manufacturing and the like.

The railway locomotive cable with the automatic repairing function is formed by stranding a plurality of strands of oxygen-free copper with the central conductor cross section of 2.5 square millimeters, the core wire insulation is made of a fire-resistant flame-retardant material, 6 core wires and 1 super-strong tensile pipe are filled with self-curing adhesive colloid meeting air and a lubricant repairing material tube, the center of the tube is stranded, a mica tape shielding is coated outside, a glass fiber yarn and copper wire double-layer weaving is arranged outside the mica tape shielding, and an outer sheath material adopts a silicone rubber sheath. When the cable is damaged, the pasty pipeline sealant flows out from the damaged opening along with the impactor, and the damaged position is blocked for automatic repair when air is cured automatically, so that the service life of the cable is ensured.

The international elastic lead with the self-repairing function and the domestic locomotive cable are analyzed, the international elastic lead only can repair a single-direction core wire internationally, the domestic cable only can repair an outer sheath and cannot repair the damage of a central core wire insulating layer, the existing wire structure cannot perform self-repairing from a central conductor or an insulator, and the structural design has great defects. And secondly, the material selection cannot resist specific environment, and the service life of the cable is short.

In view of the above, there is a need for further improvements to current self-healing cable structures.

SUMMERY OF THE UTILITY MODEL

In order to solve the above technical problem, the main object of the present invention is to provide a service robot body cable with self-repairing insulation breakdown function.

In order to achieve the above object, the utility model discloses a technical scheme do: the utility model provides a service robot body cable of insulation breakdown function is restoreed by oneself in area, includes: the cable coating comprises a cable coating body, a middle-quilt insulator, a self-repairing colloid and 4 insulating core wires, wherein the middle-quilt insulator is positioned in the cable coating body; a repair pipeline is formed in the middle-quilt insulator and comprises a first pipeline and 4 second pipelines communicated with the first pipeline, the self-repair colloid is positioned in the first pipeline, and the insulating core wire is positioned in the second pipeline;

the insulated core wire comprises a wire conductor and a TPEE insulating layer coated outside the wire conductor;

and when the self-repairing colloid in the first pipeline melts, the self-repairing colloid flows into the second pipeline and carries out bidirectional repairing on the TPEE insulating layer of the insulating core wire and the pipe wall of the second pipeline.

The repair pipeline further comprises a branch pipeline, and two ends of the branch pipeline are communicated with the first pipeline and the second pipeline respectively.

Wherein, 4 the second pipeline is the ring-shaped distribution with first pipeline as the center.

The wire conductor is formed by stranding a plurality of tinned oxygen-free copper wire conductors.

The section of the TPEE insulating layer is triangular, and the included angle of the TPEE insulating layer is in a fillet arrangement.

Wherein, the cable cladding body is including the PTFE that sets gradually around band, non-woven fabric area and PUR restrictive coating, the non-woven fabric area is located PTFE around between band and the PUR restrictive coating, and PTFE is close to the setting of insulating heart yearn around the band.

The inner diameter of the cable coating body is 7.5-8.5mm, and the outer diameter of the cable coating body is 9.7-10.1 mm.

Wherein, the thickness of the PTFE lapping tape is 0.02-0.03 mm.

Wherein, the thickness of the non-woven fabric belt is 0.045-0.055 mm.

The PTFE tape comprises a PTFE tape body, wherein the PTFE tape body is arranged on the PTFE tape body, and the PTFE tape body is arranged on the PTFE tape body.

The technical scheme of the utility model mainly includes the cable cladding body, the middle quilt insulator in the cable cladding body, the self-repairing colloid in the middle quilt insulator, and 4 insulation core wires, wherein, the cable cladding body is formed with the repairing pipeline, and the repairing pipeline includes the first pipeline, and 4 second pipelines communicated with the first pipeline, the self-repairing colloid is in the first pipeline, the insulation core wire is in the second pipeline; when the self-repairing colloid in the first pipeline is melted, the self-repairing colloid flows into the second pipeline and carries out bidirectional self-repairing on the TPEE insulating layer of the insulating core wire and the pipe wall of the second pipeline so as to achieve the effects of safely conveying electromagnetic energy signals and safely using for a long time.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, it is obvious that the drawings in the following description are only some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to the structures shown in the drawings without creative efforts.

Fig. 1 is a schematic cross-sectional view of a service robot body cable with a self-repairing insulation breakdown function according to an embodiment of the present invention;

FIG. 2 is a schematic cross-sectional view of an insulated core wire according to an embodiment of the present invention;

FIG. 3 is a schematic cross-sectional view of a pipeline rehabilitation apparatus according to an embodiment of the present invention;

fig. 4 is a schematic cross-sectional view illustrating the assembly of the insulated core wire and the repaired pipe according to an embodiment of the present invention.

The purpose of the present invention is to provide a novel and improved method and apparatus for operating a computer.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

It should be noted that the description of the invention referring to "first", "second", etc. is for descriptive purposes only and is not to be construed as indicating or implying relative importance or implying any number of indicated technical features. Thus, a feature defined as "first" or "second" may explicitly or implicitly include at least one such feature. In addition, the technical solutions in the embodiments may be combined with each other, but it must be based on the realization of those skilled in the art, and when the technical solutions are contradictory or cannot be realized, the combination of the technical solutions should not be considered to exist, and is not within the protection scope of the present invention.

Referring to fig. 1-4, fig. 1 is a schematic cross-sectional view of a service robot body cable with a self-repairing insulation breakdown function according to an embodiment of the present invention; FIG. 2 is a schematic cross-sectional view of an insulated core wire according to an embodiment of the present invention; FIG. 3 is a schematic cross-sectional view of a pipeline rehabilitation apparatus according to an embodiment of the present invention; fig. 4 is a schematic cross-sectional view illustrating the assembly of the insulated core wire and the repaired pipe according to an embodiment of the present invention. The embodiment of the utility model provides an in, this area restores service robot body cable of insulation breakdown function by oneself, include: the cable comprises a cable covering body 10, a middle-quilt insulator 20 positioned in the cable covering body 10, self-repairing glue positioned in the middle-quilt insulator 20, and 4 insulating core wires 40; a repair pipeline 30 is formed in the insulated body 20, the repair pipeline 30 comprises a first pipeline 31 and 4 second pipelines 32 communicated with the first pipeline 31, the self-repairing colloid is positioned in the first pipeline 31, and the insulated core wire 40 is positioned in the second pipelines 32;

the insulated core wire 40 comprises a wire conductor 42 and a TPEE insulating layer 41 coated outside the wire conductor 42;

when the self-repairing colloid in the first pipeline 31 melts, the self-repairing colloid flows into the second pipeline 32 and carries out bidirectional repairing on the TPEE insulating layer 41 of the insulating core wire 40 and the pipe wall of the second pipeline 32.

The self-repairing colloid is polymer gel with a branched structure synthesized by PEG, isocyanate and DABBF. The self-healing colloid is stored in the first pipe 31 for use at any time in the subsequent self-healing process. When the TPEE insulating layer 41 is damaged by mechanical stress or other forms, the wound can be healed after being kept for 24 hours without any external condition under the mechanical motion of the cable or at the normal temperature of 20 +/-5 ℃, and the repair rate of the polymer gel type self-repairing material is up to 98 percent. Meanwhile, after the pipe wall of the second pipeline 32 is cracked, the self-repairing colloid can also be used for repairing the cracks on the pipe wall of the second pipeline 32 so as to realize the inside and outside bidirectional repairing of the service robot body cable. In addition, the self-repairing colloid body cable can be in a melting state or a flowing state under the mechanical motion and the condition of normal temperature of 20 +/-5 ℃.

The scheme is applied to the arms and the rotating shafts of industrial robots/service robots and other special robots to transmit power and electromagnetic energy signals. The main application cables comprise flexible power cables, flexible control cables, UL/VDE body power cables and flexible towline workplaces.

The PEG material is selected from the following types: the PEG-600 polyethylene glycol is colorless and transparent, has a melting point of 20 +/-2 ℃, a viscosity of 1.9-2.1, a hydroxyl value of 178-196, an average molecular weight of 570-630, no toxicity or irritation, good water solubility and can be mixed with various organic matter components; PEG has excellent lubricating property, moisture retention property, dispersibility, adhesiveness, antistatic property and softness. The isocyanate contains unsaturated bonds, has high activity and is easy to react with organic matters or inorganic matters with active groups to generate polyurethane elastomers; self-polymerization can occur under appropriate conditions to form dimers or high molecular weight polymers. The DABBF material (Chinese name: diaryl benzofuranone) is an organic substance used as a cross-linking agent, can be decomposed into 2 free radicals under certain conditions, and can be fully combined and cross-linked with TPEE and HDPE elastomer materials.

The cable covering 10 includes a PTFE tape 13, a non-woven fabric 12 and a PUR sheath layer 11, and the specific structure refers to the following embodiments.

The number of the second pipelines 32 in the repair pipeline 30 is 4, the first pipelines 31 are respectively communicated with the 4 second pipelines 32, the first pipelines 31 store self-repair colloid, and the second pipelines 32 are provided with insulating core wires 40. The material of the intermediate insulator 20 is transparent and stretch-resistant HDPE. When HDPE is extruded in an insulating way, a phi 70mm halogen-free insulating extruder is adopted to complete the extrusion. Before extrusion, the mixture is continuously baked in a material baking box for 1-2 hours at 60 +/-10 ℃. Keeping the extrusion temperature between 180-235 ℃, keeping the 1 st section cooling water tank at 2-2.5M, keeping the 2 nd section water tank at least at two layers, keeping the total length at 20M or more, and keeping the wire rod fully cooled.

The utility model discloses mainly include cable cladding body 10, be located in cable cladding body 10 by insulator 20, be located in by the selfreparing colloid in insulator 20 to and 4 insulating heart yearns 40, wherein, be formed with repair pipe 30 in this cable cladding body 10, and repair pipe 30 includes first pipeline 31, and the second pipeline 32 with first pipeline 31 intercommunication, the selfreparing colloid is located first pipeline 31, insulating heart yearn 40 is located second pipeline 32 when the selfreparing colloid in the aforesaid first pipeline 31 melts, flows into in second pipeline 32 and carries out two-way restoration to the TPEE insulating layer 41 and the second pipeline 32 pipe wall of insulating heart yearn 40 by oneself to reach the effect of carrying electromagnetic energy signal and long-term safe use safely of improving the cable.

In the specific embodiment, the repair duct 30 further includes a branch duct 33, and both ends of the branch duct 33 are respectively communicated with the first duct 31 and the second duct 32. Furthermore, the 4 second pipes 32 are annularly distributed around the first pipe 31.

In this embodiment, the 4 second pipelines 32 are respectively communicated with the first pipeline 31 through the branch pipelines 33, so that the self-repairing colloid in the first pipeline 31 can flow into the second pipeline 32 when being in a molten or flowing state, and repair the TPEE insulating layer 41 of the insulating core wire 40 in the second pipeline 32 and the cracks appearing on the pipe wall of the second pipeline 32. In this embodiment, the 4 second pipes 32 are uniformly arranged. Each second conduit 32 is provided with 4 insulated cores 40. The 4 insulation core wires 40 and the lotus root core center self-repairing material are positioned, a specially-made lotus root core extruding mold is adopted, the non-flowing gel, the black, brown, gray, yellow/green 4 core insulation core wires 40 are fully and accurately placed in the repairing pipeline 30, and specifically, the self-repairing material and the lubricant mixture thereof in the first pipeline 31 are directly molded into the non-flowing gel, namely the self-repairing colloid, through a strip injection process; the other 4 insulation core wires 40 are placed in the second pipeline 32, and a certain space is reserved, so that the insulation core wires 40 can conveniently work for a long time or when the insulation core wires are cracked after being used for a certain time, the lubricant mixture directly flows into the space to be filled and the automatic damaged parts are repaired.

In the particular embodiment, the wire conductor 42 is stranded from a plurality of tin-plated oxygen-free copper wire conductors. In this embodiment, the wire conductor 42 is a 19AWG (7/14//0.10mm)4C tin-plated oxygen-free copper wire conductor. It will be appreciated that other materials for the wire conductor 42 may be used. During production, a plurality of tinned oxygen-free copper wire conductors are twisted by a phi 600mm high-speed copper twisting machine, 14/0.1mm tinned oxygen-free copper conductors are twisted firstly, the S twist is 9mm, then the center is twisted in a 1+6 paying-off mode, the pitch is 25 +/-3 mm, and the conductors must be twisted compactly without jumping.

Further, the cross section of the TPEE insulating layer 41 is triangular, and the included angle of the TPEE insulating layer 41 is a fillet 43. The radius R of the rounded corner 43 is 0.5mm, the diameter ID of the triangular core wire is 2.4 ± 0.05mm, and the colors are black, brown, gray, yellow/green. It is understood that the cross-section of the TPEE insulating layer 41 may also be circular.

When the insulation core wire 40 is extruded, a phi 50mm low-smoke halogen-free insulation extruder is adopted for operation. Before extrusion, the raw materials must be continuously baked in a material baking oven for 4 +/-1 hours at 105 +/-5 ℃. Keeping the temperature of the extrusion at 185-200 ℃, keeping the length of the 1 st section cooling water tank at 2-2.5M, keeping the length of the 2 nd section water tank at least two or three layers, keeping the total length at 30M or more, and keeping the wire rod fully cooled. The core wires are respectively marked with clear quantity and joints after being extruded, so that the subsequent overall extrusion of the coiled length is convenient for pairing. The insulated core wire 40 has superior processability, superior service life, high strength, good flexibility and superior dynamic mechanical properties. Has extremely high tensile strength, excellent fatigue resistance and heat resistance, excellent creep resistance and low temperature resistance, excellent oil resistance and aging resistance, and good mechanical property.

In the specific embodiment, the cable covering 10 includes a PTFE tape 13, a non-woven fabric 12, and a PUR sheath layer 11, which are sequentially disposed, where the non-woven fabric 12 is located between the PTFE tape 13 and the PUR sheath layer 11.

Specifically, the above-mentioned PTFE tape 13 is a PTFE high-temperature tape, and it is selected from a high-temperature-resistant waterproof tape having a specification width of 32 mm/thickness of 0.025 mm. The above-mentioned nonwoven fabric tape 12 is a high-flexibility nonwoven fabric tape 12 of a protective and cable-securing circular shape, having a width of 35 mm/thickness of 0.05 mm. The PUR sheath layer 11 is a wear-resistant bending-resistant black filled semi-matte PUR sheath. Further, the inner diameter of the cable covering 10 is 7.5-8.5mm, preferably 8mm, and the outer diameter of the cable covering 10 is 9.7-10.1mm, preferably 9.8 mm. Further, the thickness of the PTFE wrapping tape 13 is 0.02-0.03mm, preferably 0.025 mm. Further, the thickness of the nonwoven fabric tape 12 is 0.045-0.055mm, preferably 0.05 mm. The PTFE wrapping tape 13 is replaced by a cotton paper tape or a silicon rubber wrapping tape; the PUR jacket can be replaced with a TPU jacket.

When the PTFE tape 13 is produced, the overlapping rate needs to be more than 130-135%. The flame-retardant cable has the characteristics of softness, no toxicity, flame retardance, good chemical stability, strong insulating capability and excellent temperature resistance. Can be used for a long time within the range of-150 to 260 ℃. The longitudinal tensile strength is more than or equal to 10Mpa, and the transverse tensile strength is more than or equal to 1 Mpa; the longitudinal breaking elongation is more than or equal to 100 percent, the transverse breaking elongation is more than or equal to 350 percent, the density is 1.69g/cm3, and the direct-current dielectric strength is more than or equal to 30 KV/mm.

When the non-woven fabric belt 12 is produced, a phi 800mm paper wrapping machine or a single twister is adopted for dragging and wrapping operation, and the overlapping rate is kept to be more than 130-135%. The paint has the characteristics of good strength, air permeability, water resistance, moisture resistance, environmental protection, flexibility, no toxicity, no odor, no combustion supporting, antibiosis, chemical solvent resistance and rich color; good stripping processability and convenient installation and wiring operation.

Before extrusion, the PUR sheath needs to be fully dried, baked for 3 hours at 80-100 ℃, fully dehumidified by a hopper before baking, blown to remove dust by a high-intensity air gun and wiped clean by dry secondary cotton cloth without leaving any impurities. A phi 90mm pressurizing die and a high-pressure positive displacement machine head are adopted, and a polymer gel type self-repairing material injection strip auxiliary extrusion machine head is additionally arranged, and the components are mixed together according to the proportion of PUR100 to polymer gel 1.0 for extrusion, so that the melt pressure is ensured, and the stable and high-speed extrusion is realized. Specifically, the screw rod is a double-thread screw rod with equal distance and unequal depth. The length-diameter ratio L/D of the screw is 28-30, and the extrusion temperature is 175-235 ℃. Secondly, the automatic precise vacuum sizing technology is adopted for measuring the wire diameter and controlling the cooling of the wire rod, the vacuum and water systems are separately controlled, and the vacuum system are uniformly coordinated through a multi-stage water path balance control system, so that the vacuum stability, the stable cooling water liquid level and the stable water flow rate in the production process are ensured; secondly, a bidirectional high-speed scanning laser diameter measuring system is adopted, the diameter value, the ellipticity value and the position value of a test interval of the product are monitored on line, a closed-loop control system is formed by the diameter value, the ellipticity value and the position value of the test interval, and the product size fluctuation is automatically adjusted on line. The tractor drive adopts the servo motor drive of directly connecting from top to bottom, provides accurate stable traction action, and the admission machine adopts inverter motor and special tension controller.

In the specific embodiment, the tape further comprises a filler 50, and the filler 50 is located between the PTFE tape 13 and the intermediate insulator 20. The filler 50 is in particular a HDPE insulating material.

Through the structure design, the utility model discloses can solve at least: 1. the service robot/industrial robot cable carries out the bidirectional action of self-repairing internal insulation and external sheath cracks due to the voltage breakdown phenomenon after the surface cracks appear due to long-term frequent bending work/insulation aging or the cable is extruded eccentrically, so as to achieve the effect of long-term and safe power utilization; 2. the cable insulation core wire of the service robot/industrial robot can bear double voltage action beyond the conventional cable so as to achieve the purpose of ultra-long service life of the cable; 3. the service robot/industrial robot cable is subjected to ultra-flexible and ultra-long time continuous reciprocating motion, and the working quality of the towline under the strength of frequent bending and large stroke is improved; 4. the service robot/industrial robot cable has a moving space for storing the repairing colloid and a comprehensive and rapid repairing function; 5. the cable of the service robot/industrial robot has various environmental applications such as wear resistance, tear resistance, cold resistance, acid and alkali resistance, oil resistance, high tensile strength, water resistance and moisture resistance and the like and the cable viability.

For the structure of the body cable, the insulating material TPEE and the middle-cover HDPE both belong to thermoplastic materials, and when the insulating layer 41 of the TPEE and the middle-cover HDPE are subjected to long-term operation of the robot, certain cracks can appear. The core wire TPEE and HDPE insulating material is automatically repaired at normal temperature through the self-movement of the working machine of the robot and the self-repairing material of the polymer gel type. The specific healing process is as follows: when the triangular core wire of the body cable is damaged due to cracks generated in long-term load work, the body cable continuously moves and works at normal temperature, the central self-healing body material flows out when the body cable reaches the ultra-strong movement limit and fills the circular core wire area of the lotus root core, the cracks on the insulating surface of the core wire of the body cable can be repaired within 24 hours by the self-healing colloid, and the cable normally works after the cracks of the insulator of the body cable are repaired. When the polymer gel type self-repairing material, namely the self-repairing colloid, flows out from the first pipeline 31 in the center of the HDPE in a diversion way, the triangular core wire and the periphery of the triangular core wire in the HDPE circular space are naturally filled, and the crack gap material is fully supplied; secondly, buckle in the mechanical motion process of body cable, twist reverse, the flexure, sway, because triangle-shaped and circular have abundant activity space, indirectly played insulating layer and its conductor guard action, give body cable an integral complementary space from the source. In addition, the TPEE material, the HDPE material and the PUR material are used in the scheme, and have no physical conflict and are mutually fused; secondly, the wrapping tape material PTFE and the flexible non-woven fabric are high temperature resistant, moisture-proof and waterproof, very soft, and the physical property and the mechanical motion correspond to each other, so that the cable body is good in function and stable in structure.

To sum up, the utility model discloses a body cable has following advantage at least: first, the flexibility is good at low temperature. Still has good bending performance at the low temperature of minus 60 ℃; the ozone generator is not affected by ozone erosion; the fabric is radiation-resistant, and still has satisfactory service performance under the radiation dose of 105-106 Gy; good antimycotic property, oil resistance, grease resistance, acid resistance, alkali resistance and other chemical properties. The long-term working temperature generally cannot exceed 100 ℃, otherwise sticking is easy to occur. Secondly, excellent product properties: the wear resistance is excellent and is more than five times of that of natural rubber (rubber sleeve cable); tear performance: the tearing strength is more excellent than that of common rubber and plastic; tensile property: the tensile strength of the cable is as high as 38MPa, and the tensile strength of the common PVC cable is only 12 MPa. The excellent tensile property of the polyurethane cable sheath and the insulation can well protect the wire core, so that the cable is durable. Hydrolysis resistance: the waterproof performance is good, and obvious hydrolysis can not occur within 1-2 years; the bending performance is as follows: the excellent bending resistance can be kept under different environments, and the bending resistance is one of the best choices in repeated bending environment use. Oil resistance and drug resistance: the oil resistance is good, and the oil hardly erodes in fuel oil (such as kerosene and gasoline) and mechanical oil (such as hydraulic oil, engine oil and lubricating oil). High temperature resistance and oxidation resistance: the oil-resistant paint has excellent oil resistance, good toughness, wear resistance, cold resistance (low temperature resistance), water resistance, aging resistance, acid and alkali resistance, weather resistance, long service life, ultraviolet resistance, energy release and other excellent functions, and is suitable for oil stains and extremely severe occasions in low-temperature environment. Thirdly, the super-strong outer sheath can self-repair cracks when damaged.

The above only be the preferred embodiment of the utility model discloses a not consequently restriction the utility model discloses a patent range, all are in the utility model discloses a conceive, utilize the equivalent structure transform of what the content was done in the description and the attached drawing, or direct/indirect application all is included in other relevant technical field the utility model discloses a patent protection within range.

Claims

1. The utility model provides a take service robot body cable of repairing insulation breakdown function by oneself, its characterized in that, the service robot body cable of repairing insulation breakdown function by oneself in area includes: the cable coating comprises a cable coating body, a middle-quilt insulator, a self-repairing colloid and 4 insulating core wires, wherein the middle-quilt insulator is positioned in the cable coating body; a repair pipeline is formed in the middle-quilt insulator and comprises a first pipeline and 4 second pipelines communicated with the first pipeline, the self-repair colloid is positioned in the first pipeline, and the insulating core wire is positioned in the second pipeline;

2. The service robot body cable with the self-repairing insulation breakdown function according to claim 1, wherein the repairing pipe further comprises a branch pipe, and both ends of the branch pipe are respectively communicated with the first pipe and the second pipe.

3. The service robot body cable with the self-repairing insulation breakdown function according to claim 2, wherein 4 second pipes are annularly distributed around the first pipe.

4. The service robot body cable with self-repairing insulation breakdown function according to claim 1, wherein the wire conductor is formed by twisting a plurality of tin-plated oxygen-free copper wire conductors.

5. The service robot body cable with the self-repairing insulation breakdown function according to claim 4, wherein the cross section of the TPEE insulation layer is triangular, and the included angle of the TPEE insulation layer is rounded.

6. The service robot body cable with the self-repairing insulation breakdown function according to claim 1, wherein the cable coating body comprises a PTFE (polytetrafluoroethylene) wrapping tape, a non-woven fabric tape and a PUR (polyurethane) sheath layer which are sequentially arranged, the non-woven fabric tape is arranged between the PTFE wrapping tape and the PUR sheath layer, and the PTFE wrapping tape is arranged close to the insulation core wire.

7. The service robot body cable with the self-repairing insulation breakdown function according to claim 6, wherein an inner diameter of the cable cover is 7.5-8.5mm, and an outer diameter of the cable cover is 9.7-10.1 mm.

8. The service robot body cable with the self-repairing insulation breakdown function according to claim 7, wherein the PTFE wrapping tape has a thickness of 0.02-0.03 mm.

9. A service robot body cable with self-repairing insulation breakdown function according to claim 8, wherein the thickness of the non-woven fabric tape is 0.045-0.055 mm.

10. The service robot body cable with self-repairing insulation breakdown function according to claim 9, further comprising a filler body, wherein the filler body is located between the PTFE wrapping tape and the middle-insulated body.