CN208655262U - A kind of dragging property preferable marine seismic prospectiong solid towing cable - Google Patents
A kind of dragging property preferable marine seismic prospectiong solid towing cable Download PDFInfo
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- CN208655262U CN208655262U CN201820663819.XU CN201820663819U CN208655262U CN 208655262 U CN208655262 U CN 208655262U CN 201820663819 U CN201820663819 U CN 201820663819U CN 208655262 U CN208655262 U CN 208655262U
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Abstract
The utility model discloses a kind of dragging property preferable marine seismic prospectiong solid towing cables, and main points are: including main cables, hydrophone, buoyancy sheath and oversheath.Hydrophone is fixed in main cables at equal intervals.Hydrophone is electrically connected to core corresponding in main cables.Buoyancy sheath is made of polyethylene foamed material, and polyethylene foamed is extruded in main cables.Main cables include transmission core, tensile strength fibers layer and conductor layer.Tensile strength fibers layer is woven in outside transmission core by aramid fiber yarn and/or dacron thread and is formed.Conductor layer includes one group of power supply line and one group of signal wire.The power supply line and signal wire are circumferentially successively arranged in outside tensile strength fibers layer at equal intervals along main cables and form corresponding conductor layer.Buoyancy sheath is fixed in main cables at equal intervals, and between 2 adjacent hydrophones.Oversheath is made of thermoplastic polyurethane elastomer rubber material, the outside that oversheath is extruded in hydrophone, positions end and buoyancy sheath, and is bonded with the seamless confinement of hydrophone.
Description
Technical field
The utility model relates to power cable technical field, specifically a kind of solid in marine seismic survey system
Towing cable.
Background technique
With the increase of earth population and the raising of human life quality, more natural resources is needed to meet the mankind
Production and life needs, so as to cause the exhaustive exploitation of land resource, energy crisis becomes increasingly conspicuous, energy problem oneself through at
For one of several key problems of 21st century.Ocean is covered with 2/3rds areas of the earth, wherein containing a large amount of
Solid mineral resource and petroleum resources, it by be human survival and development maximum resource supplier.Severe existence situation is compeled
So that the mankind attention must be turned to ocean, however, so far, the mankind go back ground zero to the exploration of ocean, to ocean interior
And its understanding of bottom also rests on the primary stage.To in the understanding exploration of ocean and development process, there is many limitations
Factor, wherein the development level of marine environment complicated and changeable and science and technology is main factor.Marine seismic prospectiong technology is existing
There is extremely important meaning in the advanced technology means of generation research and development ocean.
One typical ocean seismic exploration haulage cable system can be divided into two parts of equipment on board and offshore set-up, on ship
Equipment includes navigation system, focus control system, aquatic bird control system, towing cable power supply system, data acquisition master control system, data
Real-time storage and display system etc..Offshore set-up includes focus, aquatic bird and solid towing cable etc..Inside the solid towing cable of typical ocean
Insertion hydrophone (energy converter of electric signal is converted acoustic signals into, for receiving the acoustical signal in water, referred to as receives energy converter,
Also commonly referred to as hydrophone), seabottom geology information is obtained to oil-gas exploration by test voice signal.Traditional offshore earthquake is surveyed
The structure for visiting towing cable is made of polyurethane housing, internal towing cable skeleton, hydrophone, Acquisition Circuit etc., and the gap inside towing cable is filled out
Aviation kerosine is filled, to adjust towing cable buoyancy and guarantee low reflection and low-loss propagation of the seismic force signal inside towing cable,
Realize the fidelity acquisition of seismic signal.But in traditional liquid towing cable operation at sea, frequent occurrence because towing cable housing is damaged
Lead to oil leak, cause marine environmental pollution, and seawater enters inside towing cable will cause the destruction such as electric leakage, corrosion, can not continue
Operation on the sea is carried out, operation on the sea efficiency is reduced.
Utility model content
The purpose of the utility model is to provide a kind of structure is simple, be conducive to protecting environment and the preferable ocean of dragging property
Seismic exploration solid towing cable.
Realizing the basic technical scheme of the utility model aim is: a kind of preferable marine seismic prospectiong use of dragging property is solid
Body towing cable, is structurally characterized in that: including main cables, hydrophone, buoyancy sheath and oversheath.Hydrophone is fixed at master at equal intervals
On cable.Main cables include transmission core, tensile strength fibers layer and conductor layer.Tensile strength fibers layer is compiled by aramid fiber yarn and/or dacron thread
It is woven in outside transmission core and forms.Conductor layer includes one group of power supply line and one group of signal wire.The power supply line and signal wire are along main line
Cable is circumferentially successively arranged in outside tensile strength fibers layer at equal intervals and forms corresponding conductor layer.Hydrophone and core corresponding in main cables
Electrical connection.Buoyancy sheath is made of polyethylene foamed material, and polyethylene foamed is extruded in main cables.Fixation is set buoyancy sheath at equal intervals
It sets in main cables, and between 2 adjacent hydrophones.Oversheath uses thermoplastic polyurethane elastomer rubber material system
At, the outside that oversheath is extruded in hydrophone, positions end and buoyancy sheath, and bonded with the seamless confinement of hydrophone.
Technical solution based on above-mentioned basic technical scheme is: further including plug.Plug is integrated through injection molding part.Plug
Whole is in annulus column, and the diameter of center through hole and the outer diameter of main cables are identical, is run through along front and back to being equipped on plug lower part
The axis of plug is passed through in notch inside and outside it, the face where the notch.The upper part of the plug side is equipped with connector lug slot, can accommodate water
Listen the connection part of the core in device and main cables.Plug covers in main cables, and each hydrophone each side sets one and blocks up
Head, the connector lug slot of plug is towards hydrophone.Plug is between hydrophone and buoyancy sheath.Oversheath is extruded in hydrophone, blocks up
The outside of head and buoyancy sheath, and bonded with the seamless confinement of hydrophone.
Technical solution based on above-mentioned each corresponding technical solution is: further including positioning end.Positioning end is moulded in
Between buoyancy sheath and hydrophone, for positioning to hydrophone, preventing hydrophone in main cables, axially upper position generates variation.
The outside that oversheath is extruded in hydrophone, positions end and buoyancy sheath, and bonded with the seamless confinement of hydrophone.
Technical solution based on above-mentioned each corresponding technical solution is: further including positioning end.Positioning end is moulded in
Between buoyancy sheath and plug, for positioning to hydrophone, preventing hydrophone in main cables, axially upper position generates variation.Outside
Sheath is extruded in hydrophone, plug, the outside for positioning end and buoyancy sheath, and bonds with the seamless confinement of hydrophone.
Technical solution based on above-mentioned each corresponding technical solution is: further including cushion collar.Cushion collar is integrated through injection molding
Part.Cushion collar is integrally in annulus column, and the diameter of center through hole and the outer diameter of main cables are identical, along front and back on cushion collar lower part
To the notch being equipped with inside and outside it, the axis of cushion collar is passed through in the face where the notch, and cushion collar covers in main cables.Each
Hydrophone each side sets a cushion collar.Cushion collar is located between positioning end and plug.Oversheath be extruded in hydrophone,
Plug, cushion collar, the outside for positioning end and buoyancy sheath, and bonded with the seamless confinement of hydrophone.
Technical solution based on above-mentioned each corresponding technical solution is: main cables further include the first restrictive coating and the second shield
Jacket layer.First restrictive coating is extruded in outside tensile strength fibers layer, and the first restrictive coating is made of polythene material.Conductor layer includes one group of electricity
Source line and one group of signal wire.The power supply line and signal wire be circumferentially successively arranged at equal intervals outside the first restrictive coating along main cables and
Form corresponding conductor layer.Silica hydrogel is filled between power supply line and signal wire and main cables.Second restrictive coating is by thermoplastic poly
Urethane elastomer rubber material is made, and the second restrictive coating is extruded in outside conductor layer.
Technical solution based on above-mentioned each corresponding technical solution is: transmission core includes 4 transmission lines and transmission line
Core sheath.4 transmission line structures are identical, include that transmission line conductors and transmission line insulate.Transmission line conductors are by several tin plating soft
Round copper wire is made of twisting process.Transmission line insulation is made of thermoplastic polyester elastomer, and transmission line insulation is extruded in transmission
Outside line conductor.4 transmission line twisted synthesizing cables, transmission core sheath are extruded in outside 4 transmission lines, and transmission core sheath uses thermoplastic
Property polyurethane elastomer rubber material is made.The diameter for transmitting core is 1.5 millimeters to 4.0 millimeters.
Technical solution based on above-mentioned each corresponding technical solution is: the power supply line has 4, the knot of 4 power supply lines
Structure is identical, includes power supply line conductor and power supply line insulating layer.Power supply line conductor is by several tin plating soft round copper wires using twisted work
Skill is made, and the diameter of power supply line conductor is 1.0 millimeters to 4.0 millimeters.Power supply line insulating layer is made of thermoplastic polyester elastomer,
Power supply line insulating layer is extruded in outside power supply line conductor, power supply line insulating layer with a thickness of 0.3 millimeter to 0.6 millimeter.Power supply line is exhausted
Edge layer is made marks using corresponding color.
The signal wire has 10 to 14.The structure of each signal wire is identical, includes that signal wire core and signal wire protect
Set.Signal wire core has 2, the twisted setting of 2 signal wire cores.The structure of 2 signal wire cores is identical, includes signal wire
Cable core conductor and signal wire core insulating layer.Signal wire cable core conductor has by several tin plating soft round copper wires using twisting process system
At the diameter of signal wire cable core conductor is 0.6 millimeter to 1.0 millimeters.Signal wire core insulating layer is by thermoplastic polyester elastomer
Be made, signal wire core insulating layer is extruded in outside signal wire cable core conductor, signal wire core insulating layer with a thickness of 0.1 millimeter extremely
0.4 millimeter.Signal wire core insulating layer is made marks using different colors.Signal wire sheath is using polyethylene extrusion molding in signal wire
Outside filled layer.The quantity of the signal wire of main cables is equal to the quantity for the signal wire being electrically connected needed for hydrophone or the signal of main cables
The quantity of line is greater than quantity 1 to 2 of the signal wire being electrically connected needed for hydrophone.
Technical solution based on above-mentioned each corresponding technical solution is: main cables further include the 4th braiding layer and third shield
Jacket layer.4th braiding layer is woven in outside the second restrictive coating by aramid fiber yarn, count 30%.Third restrictive coating is by thermoplastic poly ammonia
Ester elastomer rubber material is made, and third restrictive coating is extruded in outside the 4th braiding layer.
Technical solution based on above-mentioned each corresponding technical solution is: tensile strength fibers layer includes the first braiding layer, second
Braiding layer and third braiding layer.First braiding layer is tiltedly wrapped by aramid fiber yarn to be woven in outside transmission core, and the second braiding layer is by dacron thread
100% is woven in outside the first braiding layer, and third braiding layer is tiltedly wrapped by aramid fiber yarn and is woven in outside the second braiding layer.
The utility model has the effect of positive: (1) the preferable marine seismic prospectiong of the dragging of the utility model is with admittedly
Body towing cable cable structure is simple, greatly reduces the cost of product, generates buoyancy by polyethylene foamed, cable is made to swim in sea
In water, the position that auxiliary control towing cable hovers in the seawater avoids and causes marine environment dirty because of towing cable housing breakage oil leak
The problem of dye, is conducive to protect environment, while whole towing cable specific gravity is uniform, and the balance of towing cable is easy to adjust.Oversheath is using warm
Plastic polyurethane elastomer rubber (TPU) material is made, and is seamless bonding with hydrophone, not only plays good guarantor to hydrophone
Shield, and on seismic wave transmission without influence, data acquisition accuracy is higher, so that towing cable reliability greatly improves.Oversheath is also
Ability with resistance to crusing and impact resistance, anti-puncture and distributed load.
(2) the preferable marine seismic prospectiong of the dragging of the utility model is equipped with tensile strength fibers layer, pulling force with solid towing cable
Fibrous layer is equipped with the first braiding layer, the second braiding layer and third braiding layer.First braiding layer is tiltedly wrapped by aramid fiber yarn and is woven in transmission
Outside core, the second braiding layer is woven in outside the first braiding layer by dacron thread, and third braiding layer drags packet to be woven in second by aramid fiber yarn
Outside braiding layer, the tensile capacity of towing cable is greatly improved, it is ensured that be pulled up under 22kN state from 4kN, tensile strength fibers (aramid fiber yarn
And dacron thread) elongation percentage≤0.3%, be conducive to pull, pull property it is preferable.
(3) electricity of the dragging of the utility model preferable marine seismic prospectiong power supply line of the conductor layer of solid towing cable
Source line conductor is made using tin plating soft round copper wire of twisting process, has good flexibility, high reliablity and tensile strength
Greatly.D.C. resistance≤5.31 Ω/km at 20 DEG C.Power supply line insulating layer is made of thermoplastic polyester elastomer (TPEE), voltage etc.
Grade can reach 600V, and the temperature change that can be born is -55 DEG C to 150 DEG C.
(4) letter of the dragging of the utility model preferable marine seismic prospectiong signal wire of the conductor layer of solid towing cable
The signal wire cable core conductor of number wire core, which has, to be made of several tin plating soft round copper wires of twisting process, soft when signal wire is mobile
Property it is good, more twisted to disperse defect, and reliability is improved, and compared to same cross-sectional single line, and twisted wire is comprehensive
Pull-off force is big, D.C. resistance≤49.5 Ω/km at 20 DEG C.Signal wire core insulating layer is made by thermoplastic polyester elastomer (TPEE)
At voltage class can reach 600V, and the temperature change that can be born is -55 DEG C to 150 DEG C.
(5) each power supply line of the conductor layer of the dragging of the utility model preferable marine seismic prospectiong solid towing cable and
It is filled with Silica hydrogel between signal wire, has that water-fast, resistance to ozone, weather-resistant, moisture-proof, non-toxic and tasteless, linear shrinkage ratio is low etc.
Advantage improves cable service life, and cable safety in utilization is preferable, is conducive to pull.
(6) the second restrictive coating of the dragging of the utility model preferable marine seismic prospectiong solid towing cable is by thermoplasticity
Elastic polyurethane body rubber (TPU) material is made, and has good wearability, ozone resistance, low temperature resistant, oil resistant and chemically-resistant medicine
The features such as product, environmental resistance is excellent, while hardness is big, intensity is high and elasticity is good, is conducive to pull operation, while protecting cable
It is not easy by impact failure.
(7) the 4th braiding layer of the dragging of the utility model preferable marine seismic prospectiong solid towing cable is by aramid fiber yarn
Be woven in outside the second restrictive coating, have light-weight, intensity is high, dimensionally stable, shrinking percentage are low, it is resistance to puncture, abrasion performance, heat resistance,
Resistant to chemical etching, good mechanical property advantage.
(8) the third restrictive coating of the dragging of the utility model preferable marine seismic prospectiong solid towing cable is by thermoplasticity
Elastic polyurethane body rubber (TPU) material is made, with wearability is excellent, ozone resistance is fabulous, hardness is big, intensity is high, elastic
The advantages that good, low temperature resistant, oil resistant, excellent chemical-resistant resistance and environmental resistance, is conducive to pull operation, while protecting cable not
Easily by impact failure.
(9) hydrophone of the preferable marine seismic prospectiong solid towing cable of the dragging of the utility model is arranged at equal intervals
In main cables, energy even detection seabed signal is conducive to improve the data precision.
(10) signal wire of the dragging of the utility model preferable marine seismic prospectiong solid towing cable is equipped with spare
, it reduces because signal wire damages the risk for causing entire towing cable to be scrapped, reduces the cost of replacement towing cable.
(11) the preferable marine seismic prospectiong of the dragging of the utility model is equipped with plug with solid towing cable, and plug is equipped with
The connector lug slot that the connection part of the signal wire in hydrophone and main cables can be accommodated, can protect junction portion not to be squeezed and crush
It is bad.
(12) the preferable marine seismic prospectiong of the dragging of the utility model is equipped with cushion collar with solid towing cable, and cushion collar is adopted
It is made of silastic material, there is good elasticity, the extruding caused by avoiding towing cable during dragging because of bending to hydrophone
It destroys.
(13) dragging of the utility model preferable marine seismic prospectiong solid towing cable is equipped with positioning end, hydrophone
It is molded positioning end at both ends after being installed, hydrophone can be accurately positioned, guarantee the spacing distance between hydrophone
Unanimously, while preventing the hydrophone in pulling use process from leading to the data precision in main cables axially upper position generation variation
Decline.
Detailed description of the invention
Fig. 1 is the structure of the hydrophone part of the preferable marine seismic prospectiong solid towing cable of dragging of the utility model
Schematic diagram；
Fig. 2 is the structure of the buoyancy sheath part of the preferable marine seismic prospectiong solid towing cable of dragging of the utility model
Schematic diagram；
Fig. 3 is the axial structural representation of the preferable marine seismic prospectiong solid towing cable of dragging of the utility model
Figure；
Fig. 4 is the enlarged structure schematic diagram of the transmission core in Fig. 1；
Fig. 5 is the enlarged structure schematic diagram of the signal wire of the conductor layer in Fig. 1；
Fig. 6 is the enlarged structure schematic diagram of plug.
Label in above-mentioned attached drawing is as follows:
Main cables 1 transmit core 1-1,
Tensile strength fibers layer 1-2, the first braiding layer 1-21, the second braiding layer 1-22, third braiding layer 1-23,
First restrictive coating 1-3,
Conductor layer 1-4,
Power supply line 1-41, power supply line conductor 1-41-1, power supply line insulating layer 1-41-2,
Signal wire 1-42, signal wire core 1-42-1, signal wire cable core conductor 1-42-1a, signal wire core insulating layer 1-
42-1b,
Signal wire sheath 1-42-2,
Second restrictive coating 1-5, the 4th braiding layer 1-6, third restrictive coating 1-7,
Hydrophone 2, plug 3, cushion collar 4 position end 5,
Buoyancy sheath 6,
Oversheath 7.
Specific embodiment
(embodiment 1)
The description orientation of the utility model is described according to specific orientation shown in FIG. 1, side up and down shown in FIG. 1
To namely description direction up and down.
See Fig. 1 to Fig. 6, the preferable marine seismic prospectiong solid towing cable of the dragging of the utility model include main cables 1,
Hydrophone 2, plug 3, cushion collar 4, positioning end 5, buoyancy sheath 6 and oversheath 7.
See Fig. 1 to Fig. 3, main cables 1 include transmission core 1-1, tensile strength fibers layer 1-2, the first restrictive coating 1-3, conductor layer
1-4, the second restrictive coating 1-5, the 4th braiding layer 1-6 and third restrictive coating 1-7.
See that Fig. 1, Fig. 2 and Fig. 4, transmission core 1-1 include 4 transmission line 1-1a and transmission core sheath 1-1b.4 transmission
Line 1-1a structure is identical, includes transmission line conductors 1-1a-1 and transmission line insulation 1-1a-2.If transmission line conductors 1-1a-1 by
Tin plating soft round copper wire is done to be made of twisting process.Transmission line insulation 1-1a-2 is made of thermoplastic polyester elastomer (TPEE),
Transmission line insulation 1-1a-2 is extruded in outside transmission line conductors 1-1a-1.4 transmission line 1-1a twisted synthesizing cables transmit core sheath 1-
1b is extruded in outside 4 transmission line 1-1a, and transmission core sheath 1-1b uses thermoplastic polyurethane elastomer rubber (TPU) material system
At.The diameter for transmitting core 1-1 is 1.5 millimeters to 4.0 millimeters, and the present embodiment is 3.5 millimeters.
See that Fig. 1 and Fig. 2, tensile strength fibers layer 1-2 are woven in outside transmission core by aramid fiber yarn and/or dacron thread and are formed.Pulling force
Fibrous layer 1-2 includes the first braiding layer 1-21, the second braiding layer 1-22 and third braiding layer 1-23.First braiding layer 1-21 is by virtue
Synthetic fibre silk, which tiltedly wraps, to be woven in outside transmission core 1-1, and the second braiding layer 1-22 is woven in outside the first braiding layer 1-21 by dacron thread 100%,
Third braiding layer 1-23 is tiltedly wrapped by aramid fiber yarn and is woven in outside the second braiding layer 1-22.
See that Fig. 1 and Fig. 2, the first restrictive coating 1-3 are extruded in outside tensile strength fibers layer 1-2, the first restrictive coating 1-3 is by polyethylene material
Material is made.
See that Fig. 1, Fig. 2 and Fig. 5, conductor layer 1-4 include one group of power supply line 1-41 and one group of signal wire 1-42.One group of power supply line
1-41 has 4, and the structure of 4 power supply line 1-41 is identical, includes power supply line conductor 1-41-1 and power supply line insulating layer 1-41-2.
Power supply line conductor 1-41-1 is made of several tin plating soft round copper wires of twisting process, and the diameter of power supply line conductor 1-41-1 is
1.0 millimeters to 4.0 millimeters, the present embodiment is 2.3 millimeters.Power supply line insulating layer 1-41-2 is by thermoplastic polyester elastomer (TPEE)
Be made, power supply line insulating layer 1-41-2 is extruded in outside power supply line conductor 1-41-1, power supply line insulating layer 1-41-2 with a thickness of 0.3
For millimeter to 0.6 millimeter, the present embodiment is 0.4 millimeter.Power supply line insulating layer 1-41-2 is made marks using corresponding color.
See that Fig. 1, Fig. 2 and Fig. 5, one group of signal wire 1-42 there are 10 to 14, the present embodiment is 12,12 signal wire 1-42
Structure it is identical, include signal wire core 1-42-1 and signal wire sheath 1-42-2.Signal wire core 1-42-1 has 2,2
The twisted setting of signal wire core 1-42-1.The structure of 2 signal wire core 1-42-1 is identical, includes signal wire cable core conductor 1-
42-1a and signal wire core insulating layer 1-42-1b.Signal wire cable core conductor 1-42-1a has to be used by several tin plating soft round copper wires
Twisting process is made, and the diameter of signal wire cable core conductor 1-42-1a is 0.6 millimeter to 1.0 millimeters, and the present embodiment is 0.8 millimeter.
Signal wire core insulating layer 1-42-1b is made of thermoplastic polyester elastomer (TPEE), and signal wire core insulating layer 1-42-1b is squeezed
Packet outside signal wire cable core conductor 1-42-1a, signal wire core insulating layer 1-42-1b with a thickness of 0.1 millimeter to 0.4 millimeter,
The present embodiment is 0.25 millimeter.Signal wire core insulating layer is made marks using different colors.Signal wire sheath 1-42-2 is used
Polyethylene extrusion molding is outside signal wire filled layer 1-42-2.
See that Fig. 1 and Fig. 2, one group of power supply line 1-41 and one group of signal wire 1-42 are circumferentially successively arranged at equal intervals along main cables 1
Corresponding conductor layer 1-4 is formed outside the first restrictive coating 1-3.One group of power supply line 1-41 and one group of signal wire 1-42 and main cables
Silica hydrogel is filled between 1.Second restrictive coating 1-5 is made of thermoplastic polyurethane elastomer rubber (TPU) material, the second sheath
Layer 1-5 is extruded in outside conductor layer 1-4.4th braiding layer 1-6 is woven in outside the second restrictive coating 1-5 by aramid fiber yarn, count
30%.Third restrictive coating 1-7 is made of thermoplastic polyurethane elastomer rubber (TPU) material, and third restrictive coating 1-7 is extruded in
Outside four braiding layer 1-6.
See that Fig. 2 and Fig. 3, buoyancy sheath 6 are made of polyethylene foamed material, polyethylene foamed is extruded in main cables 1, buoyancy
The outer diameter of set 6 is identical as the outer diameter of hydrophone.Buoyancy sheath 6 is first extruded in entire main cables 1 when producing, and then is needing to set again
It sets and cuts off corresponding 6 part of buoyancy sheath in the corresponding portion of hydrophone 2, plug 3, cushion collar 4 and the main cables 1 of positioning end 5.
See that Fig. 1 and Fig. 3, hydrophone 2 are to breathe out furan fastening structure, hydrophone 2 is set along the axial fixation of snapping at equal intervals of main cables 1
It sets in main cables 1.Hydrophone 2 is electrically connected with signal wire corresponding in main cables 1, the signal wire of main cables 1 in the present embodiment
The quantity of 1-42 is equal to the quantity of the quantity for the signal wire 1-42 being electrically connected needed for hydrophone 2 or the signal wire 1-42 of main cables 1
Greater than quantity 1 to 2 of the signal wire 1-42 of electrical connection needed for hydrophone 2, the present embodiment is 2, which does
For siding use.
See that Fig. 3 and Fig. 6, plug 3 are integrated through injection molding part, the present embodiment is made of silastic material.Plug 3 is whole in circle
The diameter of central column, center through hole is identical as the outer diameter of main cables 1, along front and back to equipped with inside and outside it on 3 lower part of plug
Notch, the axis of plug 3 is passed through in face where the notch.3 upper left-hand of plug (or right side) is equipped with connector lug slot 3-1, can
To accommodate the connection part of the signal wire in hydrophone 2 and main cables 1.3 sets of plug in main cables 1, each hydrophone 2 or so
Two sides respectively set a plug 3, and the connector lug slot 3-1 of plug 3 is towards hydrophone 2.
See that Fig. 3, cushion collar 4 are integrated through injection molding part, the present embodiment is made of silastic material.Cushion collar 4 is whole in circle
The diameter of central column, center through hole is identical as the outer diameter of main cables 1, along front and back to equipped in it on 4 lower part of cushion collar
The axis of cushion collar 4 is passed through in outer notch, the face where the notch, and 4 sets of cushion collar in main cables 1.Each hydrophone 2 or so
3 outside of plug of two sides respectively sets a cushion collar 4.Positioning end 5 is moulded in main cables 1 using ABS material, is located at cushion collar
Between 4 and the buoyancy sheath 6 of corresponding side.
See that Fig. 1 to Fig. 3, oversheath 7 are made of thermoplastic polyurethane elastomer rubber (TPU) material, oversheath 7 extrudes
It is bonded in hydrophone 2, plug 3, cushion collar 4, the outside for positioning end 5 and buoyancy sheath 6, and with the seamless confinement of hydrophone 2.Outer shield
Set 7 with a thickness of 2.5 millimeters to 5 millimeters, the present embodiment is 3.5 millimeters.
Above embodiments are only for illustration of the utility model, rather than limitations of the present invention, related technical field
Technical staff in the case where not departing from the spirit and scope of the utility model, various transformation and variation can also be made, have
It can also be transformed accordingly according to the inspiration of above-described embodiment in body application process, therefore all equivalent technical solutions are equal
It should be included within the scope of patent protection of the utility model.
Claims (10)
1. a kind of dragging property preferable marine seismic prospectiong solid towing cable, it is characterised in that: including main cables, hydrophone, float
Power set and oversheath；Hydrophone is fixed in main cables at equal intervals；Main cables include transmission core, tensile strength fibers layer and lead
Line layer；Tensile strength fibers layer is woven in outside transmission core by aramid fiber yarn and/or dacron thread and is formed；Conductor layer include one group of power supply line and
One group of signal wire；The power supply line and signal wire are circumferentially successively arranged in outside tensile strength fibers layer at equal intervals along main cables and form phase
The conductor layer answered；Hydrophone is electrically connected to core corresponding in main cables；Buoyancy sheath is made of polyethylene foamed material, and foam poly- second
Alkene is extruded in main cables；Buoyancy sheath is fixed in main cables at equal intervals, and between 2 adjacent hydrophones；Outside
Sheath is made of thermoplastic polyurethane elastomer rubber material, and oversheath is extruded in hydrophone, positioning end and buoyancy sheath
Outside, and bonded with the seamless confinement of hydrophone.
2. dragging property according to claim 1 preferable marine seismic prospectiong solid towing cable, it is characterised in that: further include
Plug；Plug is integrated through injection molding part；Plug is integrally in annulus column, and the diameter of center through hole and the outer diameter of main cables are identical,
Along front and back to the notch being equipped with inside and outside it on plug lower part, the axis of plug is passed through in the face where the notch；The upper part of the plug
Side is equipped with connector lug slot, can accommodate the connection part of the core in hydrophone and main cables；Plug covers in main cables, often
A hydrophone each side sets a plug, and the connector lug slot of plug is towards hydrophone；Plug is located at hydrophone and buoyancy sheath
Between；Oversheath is extruded in the outside of hydrophone, plug and buoyancy sheath, and bonds with the seamless confinement of hydrophone.
3. dragging property according to claim 1 preferable marine seismic prospectiong solid towing cable, it is characterised in that: further include
Position end；Positioning end is moulded between buoyancy sheath and hydrophone, for positioning to hydrophone, prevents hydrophone in master
The upward position of cable shafts generates variation；Oversheath be extruded in hydrophone, position end and buoyancy sheath outside, and with hydrophone without
Seam confines bonding.
4. dragging property according to claim 2 preferable marine seismic prospectiong solid towing cable, it is characterised in that: further include
Position end；Positioning end is moulded between buoyancy sheath and plug, for positioning to hydrophone, prevents hydrophone in main line
Axially upper position generates variation to cable；Oversheath is extruded in hydrophone, plug, positions the outside of end and buoyancy sheath, and listens with water
Confinement that device is seamless bonding.
5. dragging property according to claim 4 preferable marine seismic prospectiong solid towing cable, it is characterised in that: also wrap
Include cushion collar；Cushion collar is integrated through injection molding part；Cushion collar is integrally in annulus column, the diameter of center through hole and main cables it is outer
Diameter is identical, and along front and back to the notch being equipped with inside and outside it on cushion collar lower part, the axis of cushion collar is passed through in the face where the notch
Line, cushion collar cover in main cables；Each hydrophone each side sets a cushion collar；Cushion collar is located at positioning end and blocks up
Between head；Oversheath be extruded in hydrophone, plug, cushion collar, position end and buoyancy sheath outside, and with the seamless taboo of hydrophone
Plug with molten metal bonding.
6. dragging property according to one of claims 1 to 5 preferable marine seismic prospectiong solid towing cable, feature exist
In: tensile strength fibers layer includes the first braiding layer, the second braiding layer and third braiding layer；First braiding layer is tiltedly wrapped braiding by aramid fiber yarn
Outside transmission core, the second braiding layer is woven in outside the first braiding layer by dacron thread 100%, and third braiding layer is tiltedly wrapped by aramid fiber yarn
It is woven in outside the second braiding layer.
7. dragging property according to claim 1 preferable marine seismic prospectiong solid towing cable, it is characterised in that: main cables
It further include the first restrictive coating and the second restrictive coating；First restrictive coating is extruded in outside tensile strength fibers layer, and the first restrictive coating is by polyethylene
Material is made；The power supply line and signal wire are circumferentially successively arranged in outside the first restrictive coating at equal intervals along main cables and are formed corresponding
Conductor layer；Silica hydrogel is filled between power supply line and signal wire and main cables；Second restrictive coating is by thermoplastic polyurethane elastic
Body rubber material is made, and the second restrictive coating is extruded in outside conductor layer.
8. dragging property according to claim 6 preferable marine seismic prospectiong solid towing cable, it is characterised in that: transmission line
Core includes 4 transmission lines and transmission core sheath；4 transmission line structures are identical, include that transmission line conductors and transmission line insulate；
Transmission line conductors are made of several tin plating soft round copper wires of twisting process；Transmission line insulate by thermoplastic polyester elastomer system
At transmission line insulation is extruded in outside transmission line conductors；4 transmission line twisted synthesizing cables, transmission core sheath are extruded in 4 transmission lines
Outside, transmission core sheath is made of thermoplastic polyurethane elastomer rubber material；Transmit core diameter be 1.5 millimeters extremely
4.0 millimeter.
9. dragging property according to claim 6 preferable marine seismic prospectiong solid towing cable, it is characterised in that: the electricity
Source line has 4, and the structure of 4 power supply lines is identical, includes power supply line conductor and power supply line insulating layer；Power supply line conductor is by several
Tin plating soft round copper wire is made of twisting process, and the diameter of power supply line conductor is 1.0 millimeters to 4.0 millimeters；Power supply line insulating layer
Be made of thermoplastic polyester elastomer, power supply line insulating layer is extruded in outside power supply line conductor, power supply line insulating layer with a thickness of 0.3
Millimeter is to 0.6 millimeter；Power supply line insulating layer is made marks using corresponding color；
The signal wire has 10 to 14；The structure of each signal wire is identical, includes signal wire core and signal wire sheath；Letter
Number wire core has 2, the twisted setting of 2 signal wire cores；The structure of 2 signal wire cores is identical, includes signal wire core
Conductor and signal wire core insulating layer；Signal wire cable core conductor, which has, to be made of several tin plating soft round copper wires of twisting process, letter
The diameter of number wire core conductor is 0.6 millimeter to 1.0 millimeters；Signal wire core insulating layer is made of thermoplastic polyester elastomer,
Signal wire core insulating layer is extruded in outside signal wire cable core conductor, signal wire core insulating layer with a thickness of 0.1 millimeter to 0.4 milli
Rice；Signal wire core insulating layer is made marks using different colors；Signal wire sheath is filled using polyethylene extrusion molding in signal wire
Layer is outer；The quantity of the signal wire of main cables is equal to the signal wire of the quantity or main cables of the signal wire of electrical connection needed for hydrophone
Quantity is greater than quantity 1 to 2 of the signal wire being electrically connected needed for hydrophone.
10. dragging property according to claim 7 preferable marine seismic prospectiong solid towing cable, it is characterised in that: main line
Cable further includes the 4th braiding layer and third restrictive coating；4th braiding layer is woven in outside the second restrictive coating by aramid fiber yarn, count
30%；Third restrictive coating is made of thermoplastic polyurethane elastomer rubber material, and third restrictive coating is extruded in outside the 4th braiding layer.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820663819.XU CN208655262U (en) | 2018-05-04 | 2018-05-04 | A kind of dragging property preferable marine seismic prospectiong solid towing cable |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820663819.XU CN208655262U (en) | 2018-05-04 | 2018-05-04 | A kind of dragging property preferable marine seismic prospectiong solid towing cable |
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| CN208655262U true CN208655262U (en) | 2019-03-26 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108447591A (en) * | 2018-05-04 | 2018-08-24 | 常州船用电缆有限责任公司 | The preferable marine seismic prospectiong solid towing cable of dragging property |
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2018
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108447591A (en) * | 2018-05-04 | 2018-08-24 | 常州船用电缆有限责任公司 | The preferable marine seismic prospectiong solid towing cable of dragging property |
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