CN217690542U

CN217690542U - Longitudinal watertight zero-buoyancy floating cable for underwater robot

Info

Publication number: CN217690542U
Application number: CN202220211464.7U
Authority: CN
Inventors: 姜志国; 杜娟; 朱有明; 路永鸣; 乔莉; 哈恩娜; 胡静; 王悦; 姚进
Original assignee: Yangzhou Minghang Cable Technology Co ltd
Current assignee: Yangzhou Minghang Cable Technology Co ltd
Priority date: 2022-01-25
Filing date: 2022-01-25
Publication date: 2022-10-28
Anticipated expiration: 2032-01-25

Abstract

The utility model relates to a zero buoyancy of vertical watertight floats cable for underwater robot belongs to underwater operation cable technical field. The longitudinal watertight zero-buoyancy floating cable for the underwater robot comprises a plurality of groups of twisted pairs, aramid pull ropes are respectively arranged between the peripheries of the adjacent twisted pairs, watertight fillers are filled in gaps between the twisted pairs and the aramid pull ropes, the twisted pairs, the aramid pull ropes and the watertight fillers are integrally twisted into a cable core, an integral shielding layer is coated on the periphery of the cable core, and a drainage wire extending along the whole length of the integral shielding layer is arranged on the inner wall of the integral shielding layer; the periphery cladding of whole shielding layer has interior sheath, and the periphery cladding of interior sheath has non-metallic armor weaving layer, and the periphery cladding of non-metallic armor weaving layer has the foamed rubber buoyancy layer, and the periphery cladding on foamed rubber buoyancy layer has the outer jacket. The cable can bear larger pulling strength, can ensure stable signal transmission, and can meet the requirement of underwater detection or long-term underwater work of an underwater robot.

Description

Longitudinal watertight zero-buoyancy floating cable for underwater robot

Technical Field

The utility model relates to a zero buoyancy of vertical watertight floats cable for underwater robot belongs to underwater operation cable technical field.

Background

Various diving equipment such as underwater robot need use in the cable of underwater equipment power and signal transmission, and the cable of using is put, is dragged in aquatic wide application in the underwater work electrical apparatus from underwater to signal transmission on water, expects in the use that the cable can be able to bear the sea water corrosion, zero buoyancy, can overcome the dead weight or float in the surface of water, has good waterproof performance. In the prior art, an underwater signal cable is not easy to accurately realize zero buoyancy, and resistance is brought to the operation of an underwater robot; and the device is easily interfered by signals of nearby ships or other diving operation equipment, and is easy to break after reciprocating pulling operation and long-term use, thereby causing signal transmission faults and difficulty in troubleshooting.

SUMMERY OF THE UTILITY MODEL

An object of the utility model is to overcome the problem that exists among the prior art, provide a zero buoyancy floating cable of vertical watertight for underwater robot, can bear great pulling strength under water, long-term operation all can guarantee to stabilize the transmission signal, can satisfy under water and survey or underwater robot under water the needs of long-term operation under water.

The utility model discloses a zero buoyancy buoyant float cable of longitudinal watertight for underwater robot, including multiunit pair twist pair, be equipped with the aramid fiber stay cord between the periphery of adjacent pair twist pair respectively, the gap department between pair twist pair and aramid fiber stay cord is filled with the watertight filler, and each pair twist pair, each aramid fiber stay cord and watertight filler wholly strand into the cable core, the periphery cladding of cable core has whole shielding layer, the inner wall of whole shielding layer is equipped with the drainage line that extends along whole shielding layer full length; the periphery cladding of whole shielding layer has interior sheath, the periphery cladding of interior sheath has non-metallic armor weaving layer, the periphery cladding of non-metallic armor weaving layer has the expanded rubber buoyancy layer, the periphery cladding on expanded rubber buoyancy layer has the outer sheath, the periphery symmetry of outer sheath is equipped with many recesses that extend along the full length direction of cable, has inlayed the buoy strip in each recess respectively, the outer fringe protrusion of each buoy strip in the periphery wall on outer house layer.

Furthermore, the wire core of the twisted pair comprises a plurality of strands of anaerobic copper wire conductors and a PE composite insulating layer or a PUR insulating layer coated on the peripheries of the anaerobic copper wire conductors.

Further, the watertight filler is high-strength tensile bulletproof wire.

Further, the outer jacket is a seawater-resistant polyurethane outer jacket.

Further, the twisted pair pairs are of three to twelve groups, the sectional area of the single oxygen-free copper wire conductor being 0.5mm or 0.75mm or 1.0 mm.

Furthermore, the outer wall of each buoy strip is coated with a fluorescent layer.

The utility model has the advantages that: the buoyancy of the cable is equal to the self-weight of the cable in water by controlling the thickness of the foam rubber buoyancy layer. The aramid pull rope is arranged between the peripheries of the twisted pairs, so that the tensile strength of the cable is greatly improved, and the cable is not easy to break after long-term use. And the watertight filler arranged at the gap in the cable core can improve the roundness of the cable core and the longitudinal watertight performance of the cable. The interference of the accessory ship body or the operation equipment to the equipment can be effectively avoided through the whole shielding layer wrapped on the periphery of the cable core and the drainage wire of the whole shielding layer. The non-metal armor braided layer can be prevented from being cut by the seabed foreign matters, and the risk of being bitten by underwater organisms is reduced. Sixthly, buoyancy of the cable can be adjusted through the buoy strip, zero buoyancy is achieved accurately, and the outward convex buoy strip can reduce scraping of the cable body.

Drawings

Fig. 1 is a schematic structural view of the longitudinal watertight zero-buoyancy floating cable for the underwater robot of the present invention.

In the figure: 1. the pair of twisted wire pairs comprises 1a oxygen-free copper wire conductors, 1b PE composite insulating layers, 2 aramid pull ropes, 3 watertight fillers, 4 integral shielding layers, 5 drainage wires, 6 inner protection layers, 7 non-metal armor weaving layers, 8 foamed rubber buoyancy layers, 9 outer protection layers and 10 buoy strips.

Detailed Description

The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic drawings and illustrate the basic structure of the present invention only in a schematic manner, and thus show only the components related to the present invention.

As shown in fig. 1, the utility model discloses a vertical watertight zero-buoyancy floating cable for underwater robot, including multiunit pair twist pair 1, be equipped with aramid cord 2 between the periphery of adjacent pair twist pair 1 respectively, the gap department between pair twist pair 1 and aramid cord 2 is filled with watertight filler 3, each pair twist pair 1, each aramid cord 2 and watertight filler 3 wholly twists into the cable core, the periphery cladding of cable core has whole shielding layer 4, the inner wall of whole shielding layer 4 is equipped with drainage wire 5 along the whole length extension of whole shielding layer 4; the periphery of the whole shielding layer 4 is coated with an inner protective layer 6, the periphery of the inner protective layer 6 is coated with a non-metal armor braid layer 7, the periphery of the non-metal armor braid layer 7 is coated with a foam rubber buoyancy layer 8, the periphery of the foam rubber buoyancy layer 8 is coated with an outer protective layer 9, the periphery of the outer protective layer 10 is symmetrically provided with a plurality of grooves extending along the full length direction of the cable, each groove is embedded with a buoy strip 10, the outer edge of each buoy strip 10 protrudes out of the outer peripheral wall of the outer protective layer 9,

the outer wall of each buoy strip 10 is coated with a fluorescent layer, which is beneficial to observing the position and the state of the cable. The buoy strip 10 of evagination is favorable to reducing the scraping of cable body when dragging, is favorable to protecting the cable body, when discovery buoyancy is too big, can pull off partial buoy strip 10, adjusts its buoyancy and does not influence the use of cable.

The wire core of the twisted pair 1 comprises a plurality of strands of anaerobic copper wire conductors 1a and a PE composite insulating layer 1b or PUR material insulating layer coated on the periphery of the anaerobic copper wire conductors 1 a.

Color core wire conforms to DIN47100 standard or digital identification, less than or equal to 0.5mm being identified by color, and 0.5mm being identified by digital number.

The watertight filler 3 is high-strength tensile bulletproof wire, preferably Kelar high-strength tensile bulletproof wire, and other high-strength fibers can also be selected.

The whole shielding layer 4 can be an aluminum foil wrapped shielding layer or a tinned copper wire woven shielding layer, and also can be a composite double shielding of aluminum foil wrapped and tinned copper wire woven, so that the anti-interference performance of remote signal transmission is improved.

The non-metal armor braid layer 7 can be tightly braided by aramid fiber materials, and can bear force by more than 50 kN.

The outer protective layer 9 is a seawater-resistant polyurethane outer protective layer, and other wear-resistant, oil-resistant and anti-aging elastomer outer protective layers can also be adopted.

Twisted pair 1 is three to twelve groups, and the sectional area of single oxygen-free copper wire conductor 1a is 0.5mm or 0.75mm or 1.0 mm.

The temperature application range of the cable is-45 ℃ to +105 ℃, the oxygen-free copper wire conductor 1a ensures the flexibility of the core wire, the minimum bending radius can reach 4-5 times of the outer diameter of the cable, and the rated voltage can be 300/500V, 450/750V, 0.6/1.0K and the like.

In light of the foregoing, it will be apparent to those skilled in the art from this disclosure that various changes and modifications can be made without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.

Claims

1. A longitudinal watertight zero-buoyancy floating cable for an underwater robot comprises a plurality of pairs of twisted pairs, and is characterized in that aramid pull ropes are respectively arranged between the peripheries of the adjacent pairs of twisted pairs, watertight fillers are filled in gaps between the pairs of twisted pairs and the aramid pull ropes, the pairs of twisted pairs, the aramid pull ropes and the watertight fillers are integrally twisted into a cable core, an integral shielding layer is coated on the periphery of the cable core, and a drainage wire extending along the full length of the integral shielding layer is arranged on the inner wall of the integral shielding layer; the periphery cladding of whole shielding layer has interior sheath, the periphery cladding of interior sheath has non-metallic armor weaving layer, the periphery cladding of non-metallic armor weaving layer has the foamed rubber buoyancy layer, the periphery cladding on foamed rubber buoyancy layer has the outer jacket, the periphery symmetry of outer jacket is equipped with many recesses that extend along the full length direction of cable, has inlayed the buoy strip in each recess respectively, the outer fringe protrusion of each buoy strip in the periphery wall of outer house.

2. The longitudinal watertight zero-buoyancy floating cable for the underwater robot as claimed in claim 1, wherein the core of the twisted pair includes a plurality of strands of oxygen-free copper wire conductors and a PE composite insulating layer or a PUR material insulating layer coated around the oxygen-free copper wire conductors.

3. The longitudinal watertight zero-buoyancy buoyant float cable of claim 1 wherein the watertight filler is a high strength tensile ballistic wire.

4. The longitudinal watertight zero-buoyancy buoyant float cable of claim 1 wherein the outer jacket is a seawater resistant polyurethane outer jacket.

5. The longitudinal watertight zero-buoyancy buoyant floating cable for underwater robots according to claim 2, characterized in that the twisted pairs are of three to twelve groups, the sectional area of a single said oxygen-free copper wire conductor being 0.5mm or 0.75mm or 1.0 mm.

6. The longitudinal watertight zero-buoyancy buoyant float cable for the underwater robot of any one of claims 1 to 5, wherein outer walls of the respective float strips are coated with a fluorescent layer, respectively.