CN112951487A - ROV umbilical cable of underwater robot and manufacturing method thereof - Google Patents
ROV umbilical cable of underwater robot and manufacturing method thereof Download PDFInfo
- Publication number
- CN112951487A CN112951487A CN202011579620.7A CN202011579620A CN112951487A CN 112951487 A CN112951487 A CN 112951487A CN 202011579620 A CN202011579620 A CN 202011579620A CN 112951487 A CN112951487 A CN 112951487A
- Authority
- CN
- China
- Prior art keywords
- layer
- core
- stranding
- cable
- insulating layer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 16
- 229920006231 aramid fiber Polymers 0.000 claims description 26
- 239000013307 optical fiber Substances 0.000 claims description 25
- 238000004804 winding Methods 0.000 claims description 21
- 229920003020 cross-linked polyethylene Polymers 0.000 claims description 19
- 239000004703 cross-linked polyethylene Substances 0.000 claims description 19
- 229920001684 low density polyethylene Polymers 0.000 claims description 18
- 239000004702 low-density polyethylene Substances 0.000 claims description 18
- 239000000463 material Substances 0.000 claims description 16
- 229920002635 polyurethane Polymers 0.000 claims description 15
- 239000004814 polyurethane Substances 0.000 claims description 15
- 239000004020 conductor Substances 0.000 claims description 14
- 238000009413 insulation Methods 0.000 claims description 11
- 229910052751 metal Inorganic materials 0.000 claims description 11
- 239000002184 metal Substances 0.000 claims description 11
- 239000004760 aramid Substances 0.000 claims description 9
- 229920003023 plastic Polymers 0.000 claims description 9
- 239000004033 plastic Substances 0.000 claims description 9
- 229920002799 BoPET Polymers 0.000 claims description 6
- 239000005041 Mylar™ Substances 0.000 claims description 6
- 239000004698 Polyethylene Substances 0.000 claims description 6
- 229910052782 aluminium Inorganic materials 0.000 claims description 6
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 6
- 238000007765 extrusion coating Methods 0.000 claims description 6
- 239000011888 foil Substances 0.000 claims description 6
- -1 polyethylene Polymers 0.000 claims description 6
- 229920000573 polyethylene Polymers 0.000 claims description 6
- 238000012360 testing method Methods 0.000 claims description 6
- 239000003292 glue Substances 0.000 claims description 5
- 238000000034 method Methods 0.000 claims description 5
- 229910001220 stainless steel Inorganic materials 0.000 claims description 5
- 239000010935 stainless steel Substances 0.000 claims description 5
- RYGMFSIKBFXOCR-UHFFFAOYSA-N Copper Chemical compound [Cu] RYGMFSIKBFXOCR-UHFFFAOYSA-N 0.000 claims description 3
- 239000000853 adhesive Substances 0.000 claims description 3
- 230000001070 adhesive effect Effects 0.000 claims description 3
- 238000009954 braiding Methods 0.000 claims description 3
- 239000011248 coating agent Substances 0.000 claims description 3
- 238000000576 coating method Methods 0.000 claims description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 238000001125 extrusion Methods 0.000 claims description 3
- 238000010438 heat treatment Methods 0.000 claims description 3
- 229920000728 polyester Polymers 0.000 claims description 3
- 239000000565 sealant Substances 0.000 claims description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 11
- 238000005452 bending Methods 0.000 description 6
- 230000005540 biological transmission Effects 0.000 description 6
- 230000008054 signal transmission Effects 0.000 description 6
- 238000005260 corrosion Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 239000013535 sea water Substances 0.000 description 4
- 238000009941 weaving Methods 0.000 description 4
- 239000000835 fiber Substances 0.000 description 3
- 239000002253 acid Substances 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 239000003513 alkali Substances 0.000 description 2
- 150000001875 compounds Chemical class 0.000 description 2
- 238000013461 design Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- VNWKTOKETHGBQD-UHFFFAOYSA-N methane Chemical compound C VNWKTOKETHGBQD-UHFFFAOYSA-N 0.000 description 2
- 230000005486 microgravity Effects 0.000 description 2
- 239000003595 mist Substances 0.000 description 2
- 230000005622 photoelectricity Effects 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 150000003839 salts Chemical class 0.000 description 2
- 229920002994 synthetic fiber Polymers 0.000 description 2
- 239000012209 synthetic fiber Substances 0.000 description 2
- 241001391944 Commicarpus scandens Species 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000011835 investigation Methods 0.000 description 1
- 239000003345 natural gas Substances 0.000 description 1
- 230000035699 permeability Effects 0.000 description 1
- 239000010865 sewage Substances 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/0045—Cable-harnesses
-
- G—PHYSICS
- G02—OPTICS
- G02B—OPTICAL ELEMENTS, SYSTEMS OR APPARATUS
- G02B6/00—Light guides; Structural details of arrangements comprising light guides and other optical elements, e.g. couplings
- G02B6/44—Mechanical structures for providing tensile strength and external protection for fibres, e.g. optical transmission cables
- G02B6/4401—Optical cables
- G02B6/4429—Means specially adapted for strengthening or protecting the cables
- G02B6/443—Protective covering
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B11/00—Communication cables or conductors
- H01B11/22—Cables including at least one electrical conductor together with optical fibres
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B13/00—Apparatus or processes specially adapted for manufacturing conductors or cables
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/04—Flexible cables, conductors, or cords, e.g. trailing cables
- H01B7/045—Flexible cables, conductors, or cords, e.g. trailing cables attached to marine objects, e.g. buoys, diving equipment, aquatic probes, marine towline
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/14—Submarine cables
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/1855—Sheaths comprising helical wrapped non-metallic layers
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/18—Protection against damage caused by wear, mechanical force or pressure; Sheaths; Armouring
- H01B7/1875—Multi-layer sheaths
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
- H01B7/2806—Protection against damage caused by corrosion
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
- H01B7/282—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
- H01B7/282—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
- H01B7/2825—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable using a water impermeable sheath
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B7/00—Insulated conductors or cables characterised by their form
- H01B7/17—Protection against damage caused by external factors, e.g. sheaths or armouring
- H01B7/28—Protection against damage caused by moisture, corrosion, chemical attack or weather
- H01B7/282—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable
- H01B7/285—Preventing penetration of fluid, e.g. water or humidity, into conductor or cable by completely or partially filling interstices in the cable
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01B—CABLES; CONDUCTORS; INSULATORS; SELECTION OF MATERIALS FOR THEIR CONDUCTIVE, INSULATING OR DIELECTRIC PROPERTIES
- H01B9/00—Power cables
- H01B9/005—Power cables including optical transmission elements
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Ocean & Marine Engineering (AREA)
- General Physics & Mathematics (AREA)
- Optics & Photonics (AREA)
- Manufacturing & Machinery (AREA)
- Insulated Conductors (AREA)
Abstract
The invention discloses an ROV umbilical cable of an underwater robot and a manufacturing method thereof, belonging to the technical field of umbilical cables.
Description
Technical Field
The invention relates to an umbilical cable, in particular to an ROV umbilical cable of an underwater robot, and also relates to a manufacturing method of the umbilical cable, in particular to the manufacturing method of the ROV umbilical cable of the underwater robot, belonging to the technical field of umbilical cables.
Background
As the development of marine resources such as oil, natural gas, etc. extends from offshore to deep sea, underwater robots are increasingly becoming important tools for developing marine resources due to their safety, high efficiency, large working depth, and capability of working underwater for a long time.
Underwater robots can be divided into two categories according to the difference of contact ways between an unmanned water device and water surface supporting equipment: one is a cabled underwater robot, i.e. a remote-controlled underwater robot;
the other type is a cable-free underwater robot, namely an autonomous underwater robot, which is provided with energy and manages and controls the robot by depending on the autonomous capability of the robot.
ROV has been rapidly developed due to its advantages of good water permeability, high flexibility of sewage discharge, good environmental adaptability, high operation efficiency, effective use, etc. With the rapid improvement of functions and reliability, the ROV is more and more widely applied to the fields of marine resource development, underwater engineering, seabed investigation, salvage operation and the like, developed military countries pay great attention to the application of the ROV in future war, and the ROV will become one of important devices for competing information advantages, accurately attacking and intelligently attacking facilities and completing special combat tasks in battlefields in the future underwater war.
The ROV umbilical cable of the underwater robot in the prior art cannot transmit power when data signals are transmitted, is not high enough in strength, is easy to break when the robot is pulled back to the water surface when a fault occurs, and is poor in flexibility, wear resistance, tensile strength and bending resistance, and therefore the ROV umbilical cable of the underwater robot and the manufacturing method thereof are designed to optimize the problems.
Disclosure of Invention
The invention mainly aims to provide an ROV (remote operated vehicle) umbilical cable of an underwater robot and a manufacturing method thereof, which have excellent signal transmission performance: the single-mode optical fiber is used for signal transmission, and the optical fiber has the advantages of long transmission distance, high propagation rate, high-definition camera shooting and sonar, low loss, large capacity, high bandwidth, electromagnetic interference resistance, good transmission quality and the like.
Seawater corrosion resistance and wear resistance: the watertight trailing cable sheath is made of polyurethane material with low friction coefficient, and the material has excellent seawater corrosion resistance, excellent wear resistance, and better salt mist resistance and mildew resistance.
Water tightness: the underwater robot ROV umbilical cable has the advantages that the filling rate of conductor stranding, insulation wire core group stranding, shielding wire core group weaving, cable core stranding and outer weaving tensile layers coated with water-blocking glue and stainless steel bundle internal fiber paste is more than 90%, so that the whole cable has good watertight performance and can bear watertight safety of 6.75MPa of longitudinal water pressure and 30MPa of transverse water pressure.
Excellent tensile properties: the ROV umbilical cable of underwater robot adopts winding aramid fiber as tensile enhancement layer, is a novel high-tech synthetic fiber, has advantages such as superhigh strength, high-modulus and high temperature resistant, acid and alkali resistant, light in weight, insulating, ageing resistance, adopts aramid fiber as the effectual microgravity photoelectricity of having improved of enhancement layer compound drag cable tensile resistance, has improved anti-breaking force, and reduces the whole quality of cable, has ensured to continue to keep normal power transmission and signal transmission's stability under the bearing state.
Bending resistance: the ROV umbilical cable of the underwater robot adopts excellent process design and advanced manufacturing means, adopts polyurethane as a sheath and adopts aramid fiber winding as a tensile layer, so that the cable is ensured to have excellent dynamic bending resistance, and can be repeatedly wound and unwound for use.
The purpose of the invention can be achieved by adopting the following technical scheme: the cable comprises a cable body, the cable body includes polyurethane oversheath, double-deck aramid fiber winding tensile layer, metal shielding layer, optical fiber unit group, crosslinked polyethylene insulating layer, signal line shielding layer, low density polyethylene insulating layer and insulated wire conductor, install double-deck aramid fiber winding tensile layer in its axial of inboard edge of polyurethane oversheath, install metal shielding layer in its axial of inboard edge of double-deck aramid fiber winding tensile layer, be equipped with crosslinked polyethylene insulating layer and signal line shielding layer in its axial of inboard edge of metal shielding layer, the inboard of signal line shielding layer is equipped with multiunit low density polyethylene insulating layer, the inboard of low density polyethylene insulating layer is equipped with the insulated wire conductor, the inboard middle part of metal shielding layer is equipped with the optical fiber unit group.
Preferably, the optical fiber unit group adopts 8-core G652 single-mode optical fibers, the optical fibers are wrapped by seamless stainless steel tubes, and polyethylene sheaths are extruded outside to form the optical fiber unit group.
Preferably, the thickness of the low-density polyethylene insulating layer is 0.5-0.8 mm, the thickness of the cross-linked polyethylene insulating layer is 0.4-0.6 mm, and the thickness of the polyurethane outer sheath is 2.0-3.0 mm.
A method for manufacturing an ROV umbilical cable of an underwater robot comprises the following steps:
step 1: carrying out regular stranding on the insulated wire conductor according to a regular stranding mode of 1+6+12 to obtain a wire core conductor, wherein the stranding direction is the left direction, the stranding pitch is 20 +/-2 mm, and a single-component water-blocking adhesive is coated during stranding;
step 2: drying the crosslinked polyethylene material at 40 +/-5 ℃ for 2 hours, and injecting the dried crosslinked polyethylene material into a plastic single-screw extruder to complete extrusion coating of a crosslinked polyethylene insulating layer, so as to prepare a power supply insulating wire core, wherein the insulating thickness of the power supply insulating wire core is 0.5-0.8 mm;
and step 3: drying the low-density polyethylene material at 40 +/-5 ℃ for 2 hours, and injecting the dried low-density polyethylene material into a plastic single-screw extruder to complete extrusion coating of a polyethylene insulating layer to obtain a signal insulating wire core, wherein the insulating thickness of the signal insulating wire core is 0.4-0.6 mm;
and 4, step 4: adopting an extrusion die in the plastic single-screw extruder, setting the temperature of a feed inlet of the extruder to be 150 +/-20 ℃, setting the temperature of a head of the extruder to be 220 +/-20 ℃, and setting the temperature to be increased in a stepped manner in a screw heating zone between the feed inlet of the extruder and the head of the extruder; aiming at an outgoing line of an insulated wire core from a cooling groove, setting a test voltage of 6.0kV to perform an online spark test on an insulating layer on the insulated wire core;
and 5: twining the signal insulation core wires pairwise and coating a water-blocking sealant to form a signal insulation core wire group, wherein the twisting direction is the left direction, and the twisting pitch is 45 +/-5 mm;
step 6: the optical fiber unit group is used as a central layer to be integrated with 4 power supply insulation core wires and two groups of shielding signal wires into a cable core, a polyester tape is adopted for wrapping, a water-blocking glue is used for filling gaps among the core wires during cabling and stranding, the stranding direction is the right direction, and the stranding pitch is 120 +/-10 mm;
and 7: the cable core is externally braided and shielded by adopting a tinned copper wire, the braiding density is 85 percent, aluminum foil mylar is wrapped outside the braided shield, and the wrapping and covering rate is 50 percent;
and 8: two layers of aramid fibers are wound outside the aluminum foil mylar of the cable core, wherein the winding pitch of 48 aramid fibers is 300 +/-20 mm, and the winding pitch of 48 aramid fibers is 330 +/-20 mm.
The invention has the beneficial technical effects that:
the invention provides an underwater robot ROV umbilical cable and a manufacturing method thereof,
1. excellent signal transmission performance: the single-mode optical fiber is used for signal transmission, and the optical fiber has the advantages of long transmission distance, high propagation rate, high-definition camera shooting and sonar, low loss, large capacity, high bandwidth, electromagnetic interference resistance, good transmission quality and the like.
2. Seawater corrosion resistance and wear resistance: the watertight trailing cable sheath is made of polyurethane material with low friction coefficient, and the material has excellent seawater corrosion resistance, excellent wear resistance, and better salt mist resistance and mildew resistance.
3. Water tightness: the underwater robot ROV umbilical cable has the advantages that the filling rate of conductor stranding, insulation wire core group stranding, shielding wire core group weaving, cable core stranding and outer weaving tensile layers coated with water-blocking glue and stainless steel bundle internal fiber paste is more than 90%, so that the whole cable has good watertight performance and can bear watertight safety of 6.75MPa of longitudinal water pressure and 30MPa of transverse water pressure.
4. Excellent tensile properties: the ROV umbilical cable of underwater robot adopts winding aramid fiber as tensile enhancement layer, is a novel high-tech synthetic fiber, has advantages such as superhigh strength, high-modulus and high temperature resistant, acid and alkali resistant, light in weight, insulating, ageing resistance, adopts aramid fiber as the effectual microgravity photoelectricity of having improved of enhancement layer compound drag cable tensile resistance, has improved anti-breaking force, and reduces the whole quality of cable, has ensured to continue to keep normal power transmission and signal transmission's stability under the bearing state.
5. Bending resistance: the ROV umbilical cable of the underwater robot adopts excellent process design and advanced manufacturing means, adopts polyurethane as a sheath and adopts aramid fiber winding as a tensile layer, so that the cable is ensured to have excellent dynamic bending resistance, and can be repeatedly wound and unwound for use.
Drawings
Fig. 1 is an overall side sectional view of a preferred embodiment of an umbilical of a subsea robot ROV and a method of manufacturing the same according to the present invention.
In the figure: the cable comprises 1-an insulated wire conductor, 2-a low-density polyethylene insulating layer, 3-a signal wire shielding layer, 4-a crosslinked polyethylene insulating layer, 5-an optical fiber unit group, 6-a metal shielding layer, 7-a double-layer aramid fiber winding tensile layer, 8-a polyurethane outer sheath and 9-a cable body.
Detailed Description
In order to make the technical solutions of the present invention more clear and definite for those skilled in the art, the present invention is further described in detail below with reference to the examples and the accompanying drawings, but the embodiments of the present invention are not limited thereto.
As shown in fig. 1, the ROV umbilical cable of the underwater robot provided in this embodiment includes a cable body 9, the cable body 9 includes a polyurethane outer sheath 8, a double-layer aramid fiber winding tensile layer 7, a metal shielding layer 6, and an optical fiber unit group 5, crosslinked polyethylene insulating layer 4, signal line shielding layer 3, low density polyethylene insulating layer 2 and insulated wire conductor 1, install double-deck aramid fiber winding tensile layer 7 in its axial of the inboard edge of polyurethane oversheath 8, install metallic shield 6 in its axial of the inboard edge of double-deck aramid fiber winding tensile layer 7, be equipped with crosslinked polyethylene insulating layer 4 and signal line shielding layer 3 on metallic shield 6's the inboard edge its axial, the inboard of signal line shielding layer 3 is equipped with multiunit low density polyethylene insulating layer 2, the inboard of low density polyethylene insulating layer 2 is equipped with insulated wire conductor 1, the inboard middle part of metallic shield 6 is equipped with fiber unit group 5.
In this embodiment, the optical fiber unit group 5 is an 8-core G652 single-mode optical fiber, the optical fiber is wrapped by a seamless stainless steel tube, and a polyethylene sheath is extruded outside to form the optical fiber unit group.
In this embodiment, the thickness of the low density polyethylene insulating layer 2 is 0.5-0.8 mm, the thickness of the crosslinked polyethylene insulating layer 4 is 0.4-0.6 mm, and the thickness of the polyurethane outer sheath 8 is 2.0-3.0 mm.
A method for manufacturing an ROV umbilical cable of an underwater robot comprises the following steps:
step 1: carrying out regular stranding on the insulated wire conductor 1 according to a regular stranding mode 1+6+12 to obtain a wire core conductor, wherein the stranding direction is the left direction, the stranding pitch is 20 +/-2 mm, and a single-component water-blocking adhesive is coated during stranding;
step 2: drying the crosslinked polyethylene material at 40 +/-5 ℃ for 2 hours, and injecting the dried crosslinked polyethylene material into a plastic single-screw extruder to complete extrusion coating of the crosslinked polyethylene insulating layer 4, so as to prepare a power supply insulating wire core, wherein the insulating thickness of the power supply insulating wire core is 0.5-0.8 mm;
and step 3: drying the low-density polyethylene material at 40 +/-5 ℃ for 2 hours, and injecting the dried low-density polyethylene material into a plastic single-screw extruder to complete extrusion coating of a polyethylene insulating layer to obtain a signal insulating wire core, wherein the insulating thickness of the signal insulating wire core is 0.4-0.6 mm;
and 4, step 4: adopting an extrusion die in a plastic single-screw extruder, setting the temperature of a feed inlet of the extruder to be 150 +/-20 ℃, setting the temperature of a head of the extruder to be 220 +/-20 ℃, and setting the temperature to be increased in a stepped manner in a screw heating zone between the feed inlet of the extruder and the head of the extruder; aiming at the outgoing line of the insulated wire core from the cooling groove, setting a test voltage of 6.0kV to perform an online spark test on the insulating layer on the insulated wire core;
and 5: twining the signal insulation core wires pairwise and coating a water-blocking sealant to form a signal insulation core wire group, wherein the twisting direction is the left direction, and the twisting pitch is 45 +/-5 mm;
step 6: the optical fiber unit group 5 is taken as a central layer, is combined with 4 power supply insulation core wires and two groups of shielding signal wires into a cable core, a polyester tape is adopted for wrapping, a gap between the core wires is filled with water-blocking glue during cabling and stranding, the stranding direction is the right direction, and the stranding pitch is 120 +/-10 mm;
and 7: the cable core is externally braided and shielded by adopting a tinned copper wire, the braiding density is 85 percent, aluminum foil mylar is wrapped outside the braided shield, and the wrapping and covering rate is 50 percent;
and 8: two layers of aramid fibers are wound outside the aluminum foil mylar of the cable core, wherein the winding pitch of 48 aramid fibers is 300 +/-20 mm, and the winding pitch of 48 aramid fibers is 330 +/-20 mm.
The ROV umbilical cable structure and performance indexes of the underwater robot are listed in Table 1
TABLE 1
As can be seen from table 1 above, the underwater robot ROV umbilical cable of the present invention has the functions of transmitting data signals and simultaneously transmitting power, has sufficient strength, can pull the robot back to the water surface when a fault occurs, and has the advantages of reliable longitudinal watertight performance, good flexibility, light weight, wear resistance, bending resistance, good tensile strength, etc.
The above description is only for the purpose of illustrating the present invention and is not intended to limit the scope of the present invention, and any person skilled in the art can substitute or change the technical solution of the present invention and its conception within the scope of the present invention.
Claims (4)
1. The utility model provides an underwater robot ROV umbilical cable which characterized in that: the cable comprises a cable body (9), wherein the cable body (9) comprises a polyurethane outer sheath (8), a double-layer aramid fiber winding tensile layer (7), a metal shielding layer (6), an optical fiber unit group (5), a cross-linked polyethylene insulating layer (4), a signal wire shielding layer (3), a low-density polyethylene insulating layer (2) and an insulated wire conductor (1), the double-layer aramid fiber winding tensile layer (7) is installed on the inner side of the polyurethane outer sheath (8) along the axial direction of the polyurethane outer sheath, the metal shielding layer (6) is installed on the inner side of the double-layer aramid fiber winding tensile layer (7) along the axial direction of the double-layer aramid fiber winding tensile layer, the cross-linked polyethylene insulating layer (4) and the signal wire shielding layer (3) are arranged on the inner side of the metal shielding layer (6) along the axial direction of the metal shielding layer, a plurality of groups of low-density polyethylene insulating layers (2) are arranged on the inner side of, and an optical fiber unit group (5) is arranged in the middle of the inner side of the metal shielding layer (6).
2. The ROV umbilical of underwater robot as claimed in claim 1, wherein the method of manufacturing the same comprises: the optical fiber unit group (5) adopts 8-core G652 single-mode optical fibers, the optical fibers are wrapped by seamless stainless steel tubes, and polyethylene sheaths are extruded outside to form the optical fiber unit group.
3. The ROV umbilical of underwater robot as claimed in claim 2, wherein the method of manufacturing the same comprises: the thickness of the low-density polyethylene insulating layer (2) is 0.5-0.8 mm, the thickness of the cross-linked polyethylene insulating layer (4) is 0.4-0.6 mm, and the thickness of the polyurethane outer sheath (8) is 2.0-3.0 mm.
4. A method of manufacturing an ROV umbilical of a subsea robot as claimed in claim 3, wherein: the method comprises the following steps:
step 1: carrying out regular stranding on the insulated wire conductor (1) according to a regular stranding mode of 1+6+12 to obtain a wire core conductor, wherein the stranding direction is the left direction, the stranding pitch is 20 +/-2 mm, and a single-component water-blocking adhesive is coated during stranding;
step 2: drying the crosslinked polyethylene material at 40 +/-5 ℃ for 2 hours, and injecting the dried crosslinked polyethylene material into a plastic single-screw extruder to complete extrusion coating of the crosslinked polyethylene insulating layer (4) so as to prepare a power supply insulating wire core, wherein the insulating thickness of the power supply insulating wire core is 0.5-0.8 mm;
and step 3: drying the low-density polyethylene material at 40 +/-5 ℃ for 2 hours, and injecting the dried low-density polyethylene material into a plastic single-screw extruder to complete extrusion coating of a polyethylene insulating layer to obtain a signal insulating wire core, wherein the insulating thickness of the signal insulating wire core is 0.4-0.6 mm;
and 4, step 4: adopting an extrusion die in the plastic single-screw extruder, setting the temperature of a feed inlet of the extruder to be 150 +/-20 ℃, setting the temperature of a head of the extruder to be 220 +/-20 ℃, and setting the temperature to be increased in a stepped manner in a screw heating zone between the feed inlet of the extruder and the head of the extruder; aiming at an outgoing line of an insulated wire core from a cooling groove, setting a test voltage of 6.0kV to perform an online spark test on an insulating layer on the insulated wire core;
and 5: twining the signal insulation core wires pairwise and coating a water-blocking sealant to form a signal insulation core wire group, wherein the twisting direction is the left direction, and the twisting pitch is 45 +/-5 mm;
step 6: the optical fiber unit group (5) is used as a central layer to be combined with 4 power supply insulation core wires and two groups of shielding signal wires into a cable core, a polyester tape is adopted for wrapping, and a water-blocking glue is used for filling gaps among the core wires during cabling and stranding, wherein the stranding direction is the right direction, and the stranding pitch is 120 +/-10 mm;
and 7: the cable core is externally braided and shielded by adopting a tinned copper wire, the braiding density is 85 percent, aluminum foil mylar is wrapped outside the braided shield, and the wrapping and covering rate is 50 percent;
and 8: two layers of aramid fibers are wound outside the aluminum foil mylar of the cable core, wherein the winding pitch of 48 aramid fibers is 300 +/-20 mm, and the winding pitch of 48 aramid fibers is 330 +/-20 mm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011579620.7A CN112951487A (en) | 2020-12-28 | 2020-12-28 | ROV umbilical cable of underwater robot and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011579620.7A CN112951487A (en) | 2020-12-28 | 2020-12-28 | ROV umbilical cable of underwater robot and manufacturing method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112951487A true CN112951487A (en) | 2021-06-11 |
Family
ID=76234957
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011579620.7A Pending CN112951487A (en) | 2020-12-28 | 2020-12-28 | ROV umbilical cable of underwater robot and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112951487A (en) |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120168199A1 (en) * | 2009-07-16 | 2012-07-05 | Mccullough Colin | Submersible composite cable and methods |
| CN103117128A (en) * | 2013-03-11 | 2013-05-22 | 南京全信传输科技股份有限公司 | Retractable multi-group longitudinal water seal photoelectric composite cable and manufacture process thereof |
| CN105280286A (en) * | 2015-11-18 | 2016-01-27 | 安徽宏源特种电缆集团有限公司 | A watertight mooring detection cable and a manufacturing process thereof |
| CN106229052A (en) * | 2016-08-31 | 2016-12-14 | 安徽宏源特种电缆股份有限公司 | A kind of anode composite cable and manufacturing process thereof |
| CN106251975A (en) * | 2016-08-31 | 2016-12-21 | 安徽宏源特种电缆股份有限公司 | A kind of coaxial radio-frequency photoelectric communication composite cable and production method thereof |
| CN107958724A (en) * | 2017-12-08 | 2018-04-24 | 江苏中天科技股份有限公司 | Total cross-section, which blocks water, seals multi signal composite rope and its preparation process |
| CN108231256A (en) * | 2018-03-13 | 2018-06-29 | 上海起帆电缆股份有限公司 | A kind of load-bearing optoelectronic composite cable and its manufacturing process |
| CN109493999A (en) * | 2018-11-20 | 2019-03-19 | 安徽宏源特种电缆股份有限公司 | A kind of direction waterproof mooring photoelectric composite cable and production method |
| CN209103848U (en) * | 2018-12-07 | 2019-07-12 | 江苏通光海洋光电科技有限公司 | A kind of subsea construction umbilical cables |
| CN111081414A (en) * | 2019-12-11 | 2020-04-28 | 安徽宏源特种电缆集团有限公司 | Strong electric signal comprehensive cable for submarine and production method thereof |
-
2020
- 2020-12-28 CN CN202011579620.7A patent/CN112951487A/en active Pending
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US20120168199A1 (en) * | 2009-07-16 | 2012-07-05 | Mccullough Colin | Submersible composite cable and methods |
| CN103117128A (en) * | 2013-03-11 | 2013-05-22 | 南京全信传输科技股份有限公司 | Retractable multi-group longitudinal water seal photoelectric composite cable and manufacture process thereof |
| CN105280286A (en) * | 2015-11-18 | 2016-01-27 | 安徽宏源特种电缆集团有限公司 | A watertight mooring detection cable and a manufacturing process thereof |
| CN106229052A (en) * | 2016-08-31 | 2016-12-14 | 安徽宏源特种电缆股份有限公司 | A kind of anode composite cable and manufacturing process thereof |
| CN106251975A (en) * | 2016-08-31 | 2016-12-21 | 安徽宏源特种电缆股份有限公司 | A kind of coaxial radio-frequency photoelectric communication composite cable and production method thereof |
| CN107958724A (en) * | 2017-12-08 | 2018-04-24 | 江苏中天科技股份有限公司 | Total cross-section, which blocks water, seals multi signal composite rope and its preparation process |
| CN108231256A (en) * | 2018-03-13 | 2018-06-29 | 上海起帆电缆股份有限公司 | A kind of load-bearing optoelectronic composite cable and its manufacturing process |
| CN109493999A (en) * | 2018-11-20 | 2019-03-19 | 安徽宏源特种电缆股份有限公司 | A kind of direction waterproof mooring photoelectric composite cable and production method |
| CN209103848U (en) * | 2018-12-07 | 2019-07-12 | 江苏通光海洋光电科技有限公司 | A kind of subsea construction umbilical cables |
| CN111081414A (en) * | 2019-12-11 | 2020-04-28 | 安徽宏源特种电缆集团有限公司 | Strong electric signal comprehensive cable for submarine and production method thereof |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN202855430U (en) | Marine engineering underwater bearing primary umbilical cable | |
| CN101211680B (en) | Optical fibre composite electric power seabed oil-filled cable | |
| US20200081209A1 (en) | Optical Cables for Harsh Environments | |
| CN202307235U (en) | Oil-resisting, corrosion-preventing and fireproof marine control cable | |
| CN203966616U (en) | The flexible corrosion-proof type degaussing cable of high tensile for a kind of naval vessel | |
| CN107358997B (en) | Multi-core photoelectric composite watertight cable for deep sea system | |
| CN111081414A (en) | Strong electric signal comprehensive cable for submarine and production method thereof | |
| CN104143388A (en) | Watertight tractive load-bearing control cable | |
| CN104036854A (en) | High-tensile flexible corrosion-resistant degaussing cable for ship | |
| CN113299431B (en) | Dynamic and static submarine cable and manufacturing method thereof | |
| CN102737782A (en) | Umbilical cable for central steel pipe double-armored underwater production system | |
| CN201000789Y (en) | Optical fibre composite power seabed oil-filled cable | |
| CN213070726U (en) | Multi-signal transmission composite optical cable for ship | |
| CN209912547U (en) | Armored high-strength composite umbilical cable for underwater production system of strong electricity | |
| CN111986847A (en) | Maritime data communication cable | |
| CN112951487A (en) | ROV umbilical cable of underwater robot and manufacturing method thereof | |
| CN116646120A (en) | Floating cable for self-buoyancy water surface robot and manufacturing method thereof | |
| CN115497670A (en) | 7-type high-speed Ethernet cable for ocean engineering equipment and preparation method thereof | |
| CN114400107A (en) | Staying photoelectric composite cable and preparation method thereof | |
| CN110797145A (en) | Underwater photoelectric composite cable | |
| CN207052322U (en) | Deep-sea system replies conjunction watertight cable by cable with multi-core optical | |
| CN213781660U (en) | Compound longitudinal watertight cable for ships | |
| CN212342311U (en) | Underwater photoelectric composite cable | |
| CN214753063U (en) | Compound towing cable for underwater photoelectric transmission system | |
| CN212874103U (en) | Light anti-interference cable for ship |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210611 |
|
| RJ01 | Rejection of invention patent application after publication |