CN213123817U - Flow guiding towing cable - Google Patents
Flow guiding towing cable Download PDFInfo
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- CN213123817U CN213123817U CN202021210043.XU CN202021210043U CN213123817U CN 213123817 U CN213123817 U CN 213123817U CN 202021210043 U CN202021210043 U CN 202021210043U CN 213123817 U CN213123817 U CN 213123817U
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Abstract
The utility model relates to a water conservancy diversion tow-cable, its characterized in that: the diversion towline comprises an optical unit, an electric signal unit, a power transmission unit, a sheath, a steel wire armor layer, a diversion layer and a streamer from inside to outside, the electric signal unit is subjected to pair-twisting and extrusion molding, the electric signal unit is subjected to pair-shaped form and the optical unit are cabled together to form an inner cable core, the power transmission unit and the inner cable core are cabled together to form an outer cable core, the sheath is extruded outside the outer cable core to form a layer of sheath, two layers of stainless steel wires are armored outside the sheath to serve as the steel wire armor layer, and the diversion layer and the streamer are woven outside the steel wire armor layer. The utility model provides a water conservancy diversion tow-cable has overcome that the tow-cable signal transmission capacity that exists among the prior art is little, tensile capability is poor, easily shake under water, life weak point scheduling problem, the novel underwater detection system of ability adaptation has that power transmission power is big, data transmission capacity is big, tensile property is good, long service life, prevent the advantage of tow-cable shake.
Description
Technical Field
The utility model belongs to the technical field of wire and cable, concretely relates to water conservancy diversion towrope that needs receive and release the use repeatedly among mainly used ocean exploration system.
Background
The guide towing cable is a key component in an anti-submerged towed line array super sonar system, and all signals and electric energy transmission in the sonar system are completed through the guide towing cable; such streamers typically require underwater detection devices with large tensile capacity capable of towing and hoisting up to several tons; the material has strong periodic fatigue load resistance, and can be repeatedly collected, released and used for more than 1200 times; the outer tegument layer of the towline is woven with the diversion layer and has the functions of improving the motion performance and the acoustic performance of the system, reducing the resistance of the system motion, eliminating the towline shake, reducing the damage of the vortex generated during the motion to the towline and finally reducing the underwater noise.
The traditional towline adopts the preparation method and the deficiency:
(1) the structure has the advantages that the structure mainly adopts a pure electric model to carry out signal transmission, and does not carry out effective protection and signal crosstalk processing on the electric unit, the information transmission capacity is small in the using process, the electric unit generates relative displacement in the motion process of the towing cable, and the signal output among signal lines is easy to crosstalk;
(2) the outer layer polyurethane sheath is easy to shake and has serious underwater eddy phenomenon and is easy to generate noise in the using process;
(3) the steel wire armor layer is double-deck steel wire with the same size usually, the many armor forms of interior few outer, and steel wire strength is general lower, and this kind of structure is because of steel wire strength not up to standard, and inside and outside two-layer can not reach the torque balance, and the towline tensile strength is poor, short service life, factor of safety end.
The manufacturing method that current traditional tow-cable adopted can not satisfy the signal transmission stability of the high antagonism sonar system of detecting under water of new generation, tensile properties is good, it is high to use the security reliability, requirements such as the submarine noise of reduction, consequently, develop a novel signal transmission ability stability on the basis of original traditional tow-cable, tensile strength is strong, long service life, factor of safety is high, the water conservancy diversion tow-cable that noise reduction effect is good this tow-cable has great tensile strength simultaneously, can drag, hang and put up to several tons of underwater detection device, the tegument water conservancy diversion cover has the motion performance and the acoustic performance that improve the system outside the tow-cable simultaneously, the resistance of system motion has been reduced, eliminate the tow-cable shake, reduce the function of the destruction of the vortex that produces when moving to the tow-cable.
SUMMERY OF THE UTILITY MODEL
The utility model discloses aim at overcome the signal transmission capacity that the traditional tow-cable that exists among the above-mentioned background art and little and unstable, tensile strength is poor, fatigue resistance can be poor, life is short, factor of safety is low, easily receive the noise influence scheduling problem under water that the tow-cable trembles the production, provide a novel underwater exploration tow-cable of ability adaptation, it is big to have excellent data transmission capacity, data transmission is stable, tensile strength is good, fatigue resistance can be good, long service life, factor of safety is big, reduce advantages such as noise influence under water.
For solving the technical problem, the technical solution of the utility model is realized as follows:
a streamer, characterized by: the flow-guiding towing cable structure sequentially comprises an optical unit 1, electrical signal units 2, an electric power transmission unit 3, a sheath 4, a reinforcing layer 5, a flow-guiding layer 6 and a streamer 7 from inside to outside, wherein the electrical signal units 2 consist of conductors 11 and insulators 12, and a layer of electrical signal units is extruded to form an electrical signal unit pair 8 for the sheath 13 after the two electrical signal units 2 are twisted; the optical unit 1 is composed of an optical fiber 14 and an optical unit sheath 15; the optical unit 1 is used as a central unit and is twisted with the electric signal unit pair 8 to form a cable as an inner layer cable core 9; the power transmission unit 3 is composed of a power transmission unit conductor 16 and a power transmission unit insulator 17; the power transmission unit 3 and the inner layer cable core 9 are twisted and cabled to form an outer layer cable core 10, and the diversion layer 6 is formed by weaving polyester yarns and the ribbon 7 together.
Further, the conductor 11 of the electrical signal unit 2 is formed by twisting more than one tinned copper wire or bare copper wire or silvered copper wire, the insulator 12 of the electrical signal unit 2 is made of fluoroplastics, the electrical signal unit adopts a thermoplastic polyolefin elastomer or thermoplastic vulcanized rubber for the sheath 13, the flow guide layer 6 is formed by weaving 1-2 mm polyester filaments and the ribbon 7 together, and the ribbon 7 is woven into a belt shape by 0.1-0.3 polyester filaments.
Further, the optical unit 1 is stranded as a central unit with 4 pairs of electrical signal unit pairs 8 as an inner cable core 9.
Furthermore, the reinforcing layer 5 is a steel wire armor layer 18 made of two layers of steel wire armor, and filling glue 19 is coated in all cable forming gaps of the flow guiding towing cable.
Further, the steel wire of the steel wire armor layer 18 is made of galvanized steel wire or stainless steel wire.
Further, the optical fiber 14 used in the optical unit 1 is a stainless steel tube optical fiber, and the optical unit sheath 15 is made of thermoplastic polyolefin elastomer material or thermoplastic vulcanized rubber.
Further, the sheath 4 is made of thermoplastic polyurethane elastomer material.
Further, the power transmission unit conductor 16 is made of multiple strands of tinned copper wires, bare copper wires or silvered copper wires in a regular twisted manner.
Further, the power transmission unit insulator 17 of the power transmission unit 3 employs a high-density polyethylene material.
The utility model discloses following beneficial effect can be brought:
the utility model provides a flow guiding towing cable, through the structural design of the photoelectric unit, under the limited size, the material is reasonably utilized, the towing cable has compact structure, large transmission power, high pressure-resistant grade and high safety factor; the utility model greatly improves the overall tensile property, fatigue resistance and service life of the towing cable by carrying out structural design on the steel wire armor layer; the utility model discloses a carry out structural design to the water conservancy diversion layer and eliminate the towline shake, the vortex that produces when reducing the motion reduces the submarine noise influence to the purpose of the destruction of towline.
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, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.
FIG. 1 is a schematic structural view of a towing rope of the present invention
Fig. 2 is a schematic diagram of the structure of the electric signal unit of the present invention
Fig. 3 is a schematic diagram of the structure of the electric signal unit
Fig. 4 is a schematic view of the structure of the light unit of the present invention
Fig. 5 is a schematic diagram of the structure of the power transmission unit of the present invention
FIG. 6 is a schematic view of the steel wire armor layer structure of the present invention
FIG. 7 is a flow chart of a method for making a flow guiding tow cable
1 optical unit 2 electrical signal unit 3 power transmission unit 4 sheath
5 enhancement layer 6 current guiding layer 7 streamer 8 electric signal unit pair
11 conductor 12 insulator 13 electric signal unit pair sheath
14 stainless steel tube optical fiber 15 optical unit sheath
16 power transfer unit conductor 17 insulation
18 steel wire armor layer 19 filling adhesive
Detailed Description
To further explain the technical means, creation features, objectives and functions of the present invention, the following detailed description will be made in conjunction with the accompanying drawings and preferred embodiments for the specific embodiments, structures, features and functions thereof according to the present invention.
Example 1
A flow guiding towing cable is characterized in that the flow guiding towing cable sequentially comprises an optical unit 1, electrical signal units 2, an electric power transmission unit 3, a sheath 4, a reinforcing layer 5, a flow guiding layer 6 and a streamer 7 from inside to outside, wherein the electrical signal units 2 comprise conductors 11 and insulators 12, and a layer of electrical signal unit pair sheath 13 is extruded after the two electrical signal units 2 are twisted to form an electrical signal unit pair 8; the optical unit 1 is composed of an optical fiber 14 and an optical unit sheath 15; the optical unit 1 is used as a central unit and is twisted with the electric signal unit pair 8 to form a cable as an inner layer cable core 9; the power transmission unit 3 is composed of a power transmission unit conductor 16 and a power transmission unit insulator 17; the power transmission unit 3 and the inner layer cable core 9 are twisted and cabled to form an outer layer cable core 10, and the diversion layer 6 is formed by weaving polyester yarns and the ribbon 7 together. The conductor 11 of the electric signal unit 2 is made of bare copper wires, the insulator 12 of the electric signal unit 2 is made of fluoroplastic, the electric signal unit adopts thermoplastic vulcanized rubber for the sheath 13, and the ribbon 7 adopts polyester yarns which are woven in advance. The optical unit 1 is used as a central unit and is stranded with 4 pairs of electric signal unit pairs 8 to form a cable as an inner layer cable core 9. The reinforcing layer 5 is a steel wire armor layer 18 made of two layers of steel wire armor, and filling glue 19 is coated in all cable forming gaps of the flow guiding towing cable. The steel wires 18 of the steel wire armor layer 5 adopt galvanized steel wires. The optical fiber 14 used in the optical unit 1 is a stainless steel tube optical fiber, and the optical unit sheath 15 is thermoplastic vulcanized rubber. The sheath 4 is made of thermoplastic polyurethane elastomer material. The power transmission unit conductor 16 is made of a stranded bare copper wire. The power transmission unit insulator 17 of the power transmission unit 3 employs a high density polyethylene material.
Step 1: preparing an electrical signal unit 2, specifically, extruding a layer of fluoroplastic material insulation 12 outside a lead 11 consisting of 7 normally stranded bare copper wires by adopting a sleeve type extrusion process to prepare the electrical signal unit 2 for the guide towing cable;
step 2: preparing an electrical signal unit pair 8, specifically, performing pair twisting on two electrical signal units 2 according to a twisting pitch ratio of 10-15 times, wherein 4 pairs of electrical signal units are provided in the diversion towing cable, and the different cabling pitch ratios are ensured when each pair of electrical signal units are twisted; extruding a layer of thermoplastic vulcanized rubber electrical signal unit pair sheath 13 outside the twisted pair by adopting a pressure type extrusion process after the twisted pair to manufacture an electrical signal unit pair 8 for the guide towing cable;
and step 3: preparing an optical unit 1, specifically, extruding a layer of thermoplastic vulcanized rubber optical unit sheath 15 on the periphery of a stainless steel tube optical fiber 14 by adopting a half-pressure type extrusion process to prepare the optical unit 1;
and 4, step 4: preparing an inner-layer cable core 9, specifically, cabling with the optical unit 1 as a central unit and the pair of 4 electric signal units 8, coating filling glue 19 during cabling, wrapping a layer of aluminum-plastic film after cabling, and finally preparing the inner-layer cable core 9;
and 5: preparing a power transmission unit 3, specifically, extruding a layer of high-density polyethylene material power transmission unit insulator 17 outside a conductor 16 consisting of 19 regularly twisted bare copper wires by adopting a pressure type extrusion process, and crosslinking by adopting a chemical mode to prepare the power transmission unit 3;
step 6: preparing an outer-layer cable core 10, specifically, cabling with 8 power transmission units 3 by taking the inner-layer cable core 9 as a central unit, coating filling glue 19 during cabling, wrapping a layer of aluminum-plastic film after cabling, and finally preparing the outer-layer cable core 10;
and 7: and preparing a sheath 4, specifically adopting a layer of thermoplastic polyurethane elastomer material to extrude in a pressure manner outside the outer layer cable core.
And 8: preparing a reinforcing layer 5, namely armoring two layers of galvanized steel wires 18 outside the sheath 4, wherein the armoring directions of the inner layer and the outer layer are opposite, the sizes of the inner layer and the outer layer are the same, and the number of the outer layer is 6 more than that of the inner layer. Finally, manufacturing a steel wire armor layer 5;
and step 9: and preparing a flow guide layer 6, specifically weaving polyester yarns and a ribbon 7 together outside the steel wire armor layer.
The guide towing cable prepared in the embodiment 1 can meet the requirements of optical transmission signals, electric energy transmission requirements of an electric power transmission unit under larger alternating voltage and the use requirements of the towing cable on tension. The specific data are as follows:
(1) light attenuation constant: less than or equal to 1.0dB/km (1300nm) and less than or equal to 3.0dB/km (850 nm);
(2) power transmission unit withstand voltage: 6000 VAC;
(3) towing cable breaking tension: 240 kN.
Example 2
A flow guiding towing cable is characterized in that the flow guiding towing cable sequentially comprises an optical unit 1, electrical signal units 2, an electric power transmission unit 3, a sheath 4, a reinforcing layer 5, a flow guiding layer 6 and a streamer 7 from inside to outside, wherein the electrical signal units 2 comprise conductors 11 and insulators 12, and a layer of electrical signal unit pair sheath 13 is extruded after the two electrical signal units 2 are twisted to form an electrical signal unit pair 8; the optical unit 1 is composed of an optical fiber 14 and an optical unit sheath 15; the optical unit 1 is used as a central unit and is twisted with the electric signal unit pair 8 to form a cable as an inner layer cable core 9; the power transmission unit 3 is composed of a power transmission unit conductor 16 and a power transmission unit insulator 17; the power transmission unit 3 and the inner layer cable core 9 are twisted and cabled to form an outer layer cable core 10, and the diversion layer 6 is formed by weaving polyester yarns and the ribbon 7 together. The conductor 11 of the electric signal unit 2 is made of bare copper wires, the insulator 12 of the electric signal unit 2 is made of fluoroplastic, the electric signal unit adopts a thermoplastic polyolefin elastomer for the sheath 13, and the ribbon 7 adopts polyester yarns which are woven in advance. The optical unit 1 is used as a central unit and is stranded with 4 pairs of electric signal unit pairs 8 to form a cable as an inner layer cable core 9. The reinforcing layer 5 is a steel wire armor layer 18 made of two layers of steel wire armor, and filling glue 19 is coated in all cable forming gaps of the flow guiding towing cable. The steel wires 18 of the steel wire armor layer 5 are stainless steel wires. The optical fiber 14 used in the optical unit 1 is a stainless steel tube optical fiber, and the optical unit sheath 15 is a thermoplastic polyolefin elastomer. The sheath 4 is made of thermoplastic polyurethane elastomer material. The power transmission unit conductor 16 is made of a bare copper wire. The power transmission unit insulator 17 of the power transmission unit 3 employs a high density polyethylene material.
Step 1: preparing an electrical signal unit 2, specifically, extruding a layer of fluoroplastic material insulation 12 outside a lead 11 consisting of 19 normally stranded bare copper wires by adopting a sleeve type extrusion process to prepare the electrical signal unit 2 for the guide towing cable;
step 2: preparing an electrical signal unit pair 8, specifically, performing pair twisting on two electrical signal units 2 according to a twisting pitch ratio of 10-15 times, wherein 4 pairs of electrical signal units are provided in the diversion towing cable, and the different cabling pitch ratios are ensured when each pair of electrical signal units are twisted; after the pair twisting, extruding a layer of electric signal unit pair sheath 13 made of thermoplastic polyolefin elastomer outside the pair twisting by adopting a pressure type extrusion process to manufacture an electric signal unit pair 8 for the guide towing cable;
and step 3: preparing an optical unit 1, specifically, extruding a layer of optical unit sheath 15 made of thermoplastic polyolefin elastomer on the periphery of a stainless steel tube optical fiber 14 by adopting a half-pressure type extrusion process to prepare the optical unit 1;
and 4, step 4: preparing an inner-layer cable core 9, specifically, cabling with the optical unit 1 as a central unit and the pair of 4 electric signal units 8, coating filling glue 19 during cabling, wrapping a layer of aluminum-plastic film after cabling, and finally preparing the inner-layer cable core 9;
and 5: preparing a power transmission unit 3, specifically, extruding a layer of high-density polyethylene material power transmission unit insulator 17 outside a power transmission unit conductor 16 consisting of 37 normally stranded bare copper wires by adopting a pressure type extrusion process, and crosslinking by adopting a chemical mode to prepare the power transmission unit 3;
step 6: preparing an outer-layer cable core 10, specifically, cabling with 8 power transmission units 3 by taking the inner-layer cable core 9 as a central unit, coating filling glue 19 during cabling, wrapping a layer of aluminum-plastic film after cabling, and finally preparing the outer-layer cable core 10;
and 7: and preparing a sheath 4, specifically adopting a layer of thermoplastic polyurethane elastomer material to extrude in a pressure manner outside the outer layer cable core.
And 8: preparing a steel wire armor layer 5, specifically, armor two layers of stainless steel wires 18 outside a sheath 4, wherein the armor directions of the inner and outer layers are opposite, the sizes of the inner and outer layers of steel wires are the same, and the number of the outer layers is 6 more than that of the inner layer.
Finally, manufacturing a steel wire armor layer 5;
and step 9: and preparing a flow guide layer 6, specifically weaving polyester yarns and a ribbon 7 together outside the steel wire armor layer.
Compared with the cable structure prepared by the method steps of the embodiment 2, the difference is mainly that the electric signal unit conductor 11, the electric signal unit pair sheath 13, the optical unit sheath 15, the power transmission unit conductor 16 and the steel wire armor layer steel wire are replaced, and after the cable structure prepared by the embodiment 2 is compared with the example 1, besides the related functions listed in the embodiment 1, the bending resistance of the electric unit is improved due to the change of the electric signal unit conductor 11 and the power transmission unit conductor 16, and the extrusion molding processing performance of the electric signal unit pair and the optical unit of the guide streamer prepared by the embodiment 2 is improved due to the change of the electric signal unit pair sheath 13 and the optical unit sheath 15; because the steel wire armor layer is changed into the stainless steel wire, the salt spray resistance of the steel wire armor layer of the guide towing cable manufactured in the embodiment 2 is improved, and the service life is prolonged.
Example 3
A flow guiding towing cable is characterized in that the flow guiding towing cable sequentially comprises an optical unit 1, electrical signal units 2, an electric power transmission unit 3, a sheath 4, a reinforcing layer 5, a flow guiding layer 6 and a streamer 7 from inside to outside, wherein the electrical signal units 2 comprise conductors 11 and insulators 12, and a layer of electrical signal unit pair sheath 13 is extruded after the two electrical signal units 2 are twisted to form an electrical signal unit pair 8; the optical unit 1 is composed of an optical fiber 14 and an optical unit sheath 15; the optical unit 1 is used as a central unit and is twisted with the electric signal unit pair 8 to form a cable as an inner layer cable core 9; the power transmission unit 3 is composed of a power transmission unit conductor 16 and a power transmission unit insulator 17; the power transmission unit 3 and the inner layer cable core 9 are twisted and cabled to form an outer layer cable core 10, and the diversion layer 6 is formed by weaving polyester yarns and the ribbon 7 together. The conductor 11 of the electric signal unit 2 is made of tinned copper wires, the insulator 12 of the electric signal unit 2 is made of fluoroplastic, the electric signal unit adopts a thermoplastic polyolefin elastomer for the sheath 13, and the ribbon 7 adopts polyester filaments which are woven in advance. The optical unit 1 is used as a central unit and is stranded with 4 pairs of electric signal unit pairs 8 to form a cable as an inner layer cable core 9. The reinforcing layer 5 is a steel wire armor layer 18 made of two layers of steel wire armor, and filling glue 19 is coated in all cable forming gaps of the flow guiding towing cable. The steel wires 18 of the steel wire armor layer 5 are stainless steel wires. The optical fiber 14 used in the optical unit 1 is a stainless steel tube optical fiber, and the optical unit sheath 15 is a thermoplastic polyolefin elastomer. The sheath 4 is made of thermoplastic polyurethane elastomer material. The power transmission unit conductor 16 is made of tinned copper wire. The power transmission unit insulator 17 of the power transmission unit 3 employs a high density polyethylene material.
Step 1: preparing an electrical signal unit 2, specifically, extruding a layer of fluoroplastic material insulation 12 outside a wire 11 consisting of 19 normally stranded tinned copper wires by adopting a sleeve type extrusion process to prepare the electrical signal unit 2 for the flow guiding towing cable;
step 2: preparing an electrical signal unit pair 8, specifically, performing pair twisting on two electrical signal units 2 according to a certain twisting pitch respectively, wherein 4 pairs of electrical signal units are provided in the flow guide towing cable, and the different cable pitch-diameter ratios are ensured when each pair of electrical signal units are twisted in pair; after the pair twisting, extruding a layer of electric signal unit pair sheath 13 made of thermoplastic polyolefin elastomer outside the pair twisting by adopting a pressure type extrusion process to manufacture an electric signal unit pair 8 for the guide towing cable;
and step 3: preparing an optical unit 1, specifically, extruding a layer of optical unit sheath 15 made of thermoplastic polyolefin elastomer on the periphery of a stainless steel tube optical fiber 14 by adopting a half-pressure type extrusion process to prepare the optical unit 1;
and 4, step 4: preparing an inner-layer cable core 9, specifically, cabling with the optical unit 1 as a central unit and the pair of 4 electric signal units 8, coating filling glue 19 during cabling, wrapping a layer of aluminum-plastic film after cabling, and finally preparing the inner-layer cable core 9;
and 5: preparing a power transmission unit 3, specifically, extruding a layer of high-density polyethylene material power transmission unit insulator 17 outside a lead 16 consisting of 37 normally stranded tinned copper wires by adopting a pressure type extrusion process, and crosslinking by adopting a chemical mode to prepare the power transmission unit 3;
step 6: preparing an outer-layer cable core 10, specifically, cabling with 8 power transmission units 3 by taking the inner-layer cable core 9 as a central unit, coating filling glue 19 during cabling, wrapping a layer of aluminum-plastic film after cabling, and finally preparing the outer-layer cable core 10;
and 7: and preparing a sheath 4, specifically adopting a layer of thermoplastic polyurethane elastomer material to extrude in a pressure manner outside the outer layer cable core.
And 8: preparing a steel wire armor layer 5, specifically, armor two layers of stainless steel wires 18 outside a sheath 4, wherein the armor directions of the inner layer and the outer layer are opposite, the sizes of the inner layer and the outer layer of steel wires are different, and the number of the outer layer is 6 more than that of the inner layer.
Finally, manufacturing a steel wire armor layer 5;
and step 9: and preparing a flow guide layer 6, specifically weaving polyester yarns and a ribbon 7 together outside the steel wire armor layer.
Compared with the cable structure prepared by the steps of the embodiment 3, the cable structure prepared by the steps of the embodiment 3 mainly has the difference that an electric signal unit conductor 11, an electric signal unit pair sheath 13, an optical unit sheath 15, an electric power transmission unit conductor 16, an armor layer steel wire and an armor mode are replaced, after the cable structure is compared with the cable structure in the embodiment 1, besides the related functions listed in the embodiment 1 are met, the bending resistance of an electric unit is improved due to the change of the electric signal unit conductor 11 and the electric power transmission unit conductor 16, and the processing performance of the electric signal unit pair of the guide streamer prepared in the embodiment 2 and the extrusion molding of the optical unit is improved due to the change of the electric signal unit pair sheath 13 and the optical unit sheath 15; because the steel wire armor layer is changed into the stainless steel wire, the salt spray resistance of the steel wire armor layer of the guide towing cable manufactured in the embodiment 2 is improved, and the service life is prolonged. The steel wire armoring step 8 is changed, so that the torque balance coefficient is close to 1, and the service life is prolonged.
The above embodiments are only used to illustrate the technical solution of the present invention, and not to limit the same; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some or all of the technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention.
Claims (9)
1. A streamer, characterized by: the flow-guiding towing cable structure sequentially comprises an optical unit (1), an electrical signal unit (2), an electric power transmission unit (3), a sheath (4), a reinforcing layer (5), a flow-guiding layer (6) and a streamer (7) from inside to outside, wherein the electrical signal unit (2) consists of a conductor (11) and an insulator (12), and a layer of electrical signal unit is extruded to form an electrical signal unit pair (8) for the sheath (13) after the two electrical signal units (2) are twisted; the optical unit (1) consists of an optical fiber (14) and an optical unit sheath (15); the optical unit (1) is used as a central unit and is stranded with the electric signal unit pair (8) to form a cable as an inner layer cable core (9); the power transmission unit (3) is composed of a power transmission unit conductor (16) and a power transmission unit insulator (17); the power transmission unit (3) and the inner layer cable core (9) are twisted into a cable to serve as an outer layer cable core (10), and the flow guide layer (6) is formed by weaving polyester yarns and the ribbon (7) together.
2. The streamer of claim 1, wherein: the conductor (11) of the electric signal unit (2) is formed by stranding more than one tinned copper wire or bare copper wire or silvered copper wire, the insulator (12) of the electric signal unit (2) is made of fluoroplastics, the electric signal unit adopts a thermoplastic polyolefin elastomer or thermoplastic vulcanized rubber for the sheath (13), the flow guide layer (6) is formed by weaving 1-2 mm polyester filaments and the ribbon (7) together, and the ribbon (7) is woven into a ribbon shape by 0.1-0.3 polyester filaments.
3. The streamer of claim 1, wherein: the optical unit (1) is used as a central unit and is stranded with 4 pairs of the electric signal unit pairs (8) to form a cable as an inner layer cable core (9).
4. The streamer of claim 1, 2 or 3, wherein: the reinforcement layer (5) is a steel wire armor layer (18) made of two layers of steel wire armor, and filling glue (19) is coated in all cabling gaps of the flow guiding towing cable.
5. The streamer of claim 4, wherein: the steel wires of the steel wire armor layer (18) adopt galvanized steel wires or stainless steel wires.
6. The streamer of claim 1, 2 or 3, wherein: the optical fiber (14) adopted by the optical unit (1) is a stainless steel tube optical fiber, and the optical unit sheath (15) is made of thermoplastic polyolefin elastomer material or thermoplastic vulcanized rubber.
7. The streamer of claim 1, wherein: the sheath (4) is made of thermoplastic polyurethane elastomer material.
8. The streamer of claim 1, wherein: the power transmission unit conductor (16) is made of multiple strands of tinned copper wires or bare copper wires or silvered copper wires in a regular twisting mode.
9. The streamer of claim 1, wherein: the power transmission unit insulator (17) of the power transmission unit (3) is made of high-density polyethylene material.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021210043.XU CN213123817U (en) | 2020-06-24 | 2020-06-24 | Flow guiding towing cable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202021210043.XU CN213123817U (en) | 2020-06-24 | 2020-06-24 | Flow guiding towing cable |
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| CN213123817U true CN213123817U (en) | 2021-05-04 |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111681810A (en) * | 2020-06-24 | 2020-09-18 | 上海传输线研究所（中国电子科技集团公司第二十三研究所） | Flow guiding towing cable and manufacturing method thereof |
| CN113990567A (en) * | 2021-09-29 | 2022-01-28 | 通鼎互联信息股份有限公司 | High-strength scratch-resistant communication cable |
-
2020
- 2020-06-24 CN CN202021210043.XU patent/CN213123817U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111681810A (en) * | 2020-06-24 | 2020-09-18 | 上海传输线研究所（中国电子科技集团公司第二十三研究所） | Flow guiding towing cable and manufacturing method thereof |
| CN113990567A (en) * | 2021-09-29 | 2022-01-28 | 通鼎互联信息股份有限公司 | High-strength scratch-resistant communication cable |
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