CN104762843B - Offshore underwater component device mooring cable and manufacturing method thereof - Google Patents
Offshore underwater component device mooring cable and manufacturing method thereof Download PDFInfo
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- CN104762843B CN104762843B CN201510179904.XA CN201510179904A CN104762843B CN 104762843 B CN104762843 B CN 104762843B CN 201510179904 A CN201510179904 A CN 201510179904A CN 104762843 B CN104762843 B CN 104762843B
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- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B1/00—Constructional features of ropes or cables
- D07B1/02—Ropes built-up from fibrous or filamentary material, e.g. of vegetable origin, of animal origin, regenerated cellulose, plastics
- D07B1/025—Ropes built-up from fibrous or filamentary material, e.g. of vegetable origin, of animal origin, regenerated cellulose, plastics comprising high modulus, or high tenacity, polymer filaments or fibres, e.g. liquid-crystal polymers
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- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2201/00—Ropes or cables
- D07B2201/10—Rope or cable structures
- D07B2201/1096—Rope or cable structures braided
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- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2205/00—Rope or cable materials
- D07B2205/20—Organic high polymers
- D07B2205/201—Polyolefins
- D07B2205/2014—High performance polyolefins, e.g. Dyneema or Spectra
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- Crystallography & Structural Chemistry (AREA)
- Ropes Or Cables (AREA)
Abstract
The invention relates to an offshore underwater component device mooring cable. The offshore underwater component device mooring cable is characterized by being of a sheath-core composite double-layer structure, an inner core is of a eight-strand structure made of DM20 ultra-high molecular weight polyethylene, an outer layer is a fixing sheath formed by weaving wear-proof high-strength polyester fibers, the inner core is formed according to the steps of manufacturing rough yarn, manufacturing rope yarn, manufacturing strands, weaving ropes, soaking the inner core in resin, prestretching the inner core and drying the inner core, and the fixing sheath is formed according to the steps of splicing threads, twisting the threads, manufacturing strands and weaving the 32 strands around the inner core into the fixing sheath in a one-off mode through a double-layer weaving machine.
Description
Technical field
The present invention relates to element apparatus tether cable and preparation method thereof in a kind of water at sea using.
Background technology
In marine water, element apparatus refer mainly to sea buoy berth, buoy, subsurface buoy, navigation light, underawater ordnance (submarine mine) etc..
In these water of past, the tether cable when using for the element apparatus all adopts flexible steel wire or anchor chain.Now with tether cable system
Bulk cargo puts the expansion of range and the increase of the depth of water, and tether cable lengthens, and weight increases therewith, and buoyancy aid buoyancy cannot support.
According to China's sea area situation and naval, maritime affairs (aviation management) department requirement it is impossible to again with flexible steel wire or anchor chain as being tethered at
Rope, needs substitution material.
Find that 8 strands, 12 strands structure hawsers of monolayer are easily cut off by Oversea wind and wear and tear, and are not appropriate in actual use
Marine deep water mooring., using proof, ultra-high molecular weight polyethylene (uhmwpe) is fine for domestic and international more than 10 years marine anchoring system hawsers
Dimension is current intensity highest commercialization high-performance fiber in the world.During equal diameter, its intensity and percentage elongation and corresponding wirerope
Close, but weight is only the 15% of wirerope;During etc. weight, as many as high 15 times of its strength ratio wirerope;Its service life compares generalization
Fine hawser typically exceeds 2~3 times.There is high-strength, Gao Mo, lightweight, low extension, low compacted with the mooring cable that its fibrous material is made
Become, elongation at break only 3% about, seawater corrosion resistance, UV radiation, float on water, easy to operate, durable in use,
Safe the features such as, so ultra-high molecular weight polyethylene hawser is best suitable for the application of long-time deep water offshore mooring.But in reality
Border finds in using, and ultra-high molecular weight polyethylene mooring cable is as occurred croop property not using meeting under high temperature and lasting strength
Very good weakness, and the development of creep may result in breakage and the ageing failure of fibrous material, limits the length in its mooring at sea
Phase is applied.As permanence sea water in element apparatus tether cable select base material its croop property must be improved and
Improve it is ensured that element apparatus tether cable reliability under active usage conditions, durability, safety in the water of permanence sea
Property.
Content of the invention
The technical problem to be solved in the present invention is to provide a kind of internal layer cable core to become 8 bursts of forms by ultrahigh molecular weight polyethylene
Structure, outer layer is woven into fixed sheath by wear-resisting high-strength type polyster fibre, has the hawser of lighter, safer, more durable performance
And preparation method thereof;The phenomenon getting loose for the not wear-resisting and easy skidding overcoming existing tether cable claim-reduction to exist, and ensure cable
Rope and the utilization of claim-reduction combination property.
In order to solve above-mentioned technical problem, the invention provides element apparatus tether cable in a kind of water of sea, it is skin
Core composite two layer structure;8 strands of morphosiss that internal layer cable core is become by dm20 ultrahigh molecular weight polyethylene, outer layer is wear-resisting high-strength
The fixed sheath of type terylene.
In the water of present invention one kind sea, element apparatus tether cable manufacture method is as follows:
Step one: the cable core preparation method of 8 strands of morphosiss is as follows:
A, rove processed, choose fiber number dm20 superhigh molecular weight polyethylene fibers 3 and become rove by spelling line machine twisted;
B, rope making yarn, the rove of 7 synthesis are passed through twisting mill twisted and become rope yarn;
C, rope making stock, the rope yarn of 3 synthesis is become rope strand by stranding machine twisted;
D, sennit, the rope strand of 8 synthesis is woven into 8 strands of cable cores through rope machine;
E, resin pickup, 8 strands of cable cores are repeated several times dipping, coating lag045 resin through automatic cement dipping machine, and pass through plastic squeeze
Device, extrudes unnecessary resin;
F, prestretching are processed, and carry out prestretching using special puller system to cable core, the actually used pulling force that pulling force designs for hawser
2~3 times, 50~60 seconds prestretching time, processed by prestretching, so that cable core form is relatively fixed, creep reduce;
G, drying, after prestretching is processed, cable core are put on rope support and dry or send into drying room drying, package build is waited simultaneously
With;
Step 2, fixed sheath establishment are as follows:
A, spelling line, choose fiber number 1118d wear-resisting high-strength type polyester filament 3, twisted becomes rove;
B, twisting, will spell 7 rove after line, are twisted by twisting mill, make rope yarn;
C, stranding, the bobbin rope meeting double-deck braiding machine spindle size made on stranding machine by 3 rope yarns after twisting
Stock;
D, establishment, 32 rope strands are disposably woven into fixed sheath around cable core through double-deck braiding machine.
After the present invention, its advantage is:
Using superhigh molecular weight polyethylene fibers, its ultra-high molecular weight polyethylene (uhmwpe) fiber is strong in the world at present
Degree highest commercialization high-performance fiber.During equal diameter, its intensity and percentage elongation are close with corresponding wirerope, but weight is only steel
The 15% of cable;During etc. weight, as many as high 15 times of its strength ratio wirerope;Its service life typically exceeds 2~3 than common chemical fibre hawser
Times.There is with the mooring cable that its fibrous material is made high-strength, Gao Mo, lightweight, low extension, low creep, elongation at break only has
3% about, seawater corrosion resistance, UV radiation, float on water, easy to operate, durable in use, safe the features such as, institute
It is best suitable for the application of long-time deep water offshore mooring with ultra-high molecular weight polyethylene hawser.But find in actual use, superelevation
As there is the not so good weakness of croop property using meeting under high temperature and lasting strength in molecular weight polyethylene mooring cable, and creep
Development may result in breakage and the ageing failure of fibrous material, limit the prolonged application in its mooring at sea.As permanent
Property marine water in element apparatus tether cable select base material its croop property must be improved with raising it is ensured that permanence is extra large
Element apparatus tether cable reliability under active usage conditions, durability, safety in upper water.
The degree of ultra-high molecular weight polyethylene hawser creep depends on the model of uhmwpe fiber, operating temperature, averagely load
Lotus and load time.By improving and improving after uhmwpe croop property so that dyneema fiber had both had highest stretching by force
Degree and modulus, have best creep-resistant property again.
Different croop property dyneema grade fibre characteristics are compared with application
In the water of permanence sea, element apparatus tether cable rope body is gathered from the super high molecular weight with ultra-low creep deformation performance
Ethylene dm20 grade fibre makes cable core, reach that tether cable is high-strength, ultralight through laboratory test proof, low extension, endurance,
The fundamental characteristics of 30 year creep rupture life requires.
For further enhance tether cable use wearability, durability, weatherability, control abrasion and degree of aging, protect
Hold the optimization of hawser intensity, tether cable outer layer of cable core is provided with fixed sheath, from wear-resisting high-strength type polyster fibre (pet) system
Make.Not only anti-wear performance is good, high-strength, and low extension, fatigue performance are good, and combination property matches in excellence or beauty chinlon.Simultaneously because washing
Synthetic fibre fiber low price, compares the fibers such as chinlon and has more cost performance, compares ordinary polyester long filament, and wear-resisting high-strength type terylene has more
Good wearability, can improve hawser and wearability is required with the performance compared with high product.
Different fibrous materials are wear-resisting and key property compares
Ultra-high molecular weight polyethylene and wear-resisting high-strength type terylene composite two layer structure tether cable can meet component in water
The requirement to rigidity for maximum load when device positions in storm, can guarantee that again and has enough elasticity to weaken by wave motion
The peak-peak load causing.Prove that uhmwpe-pet composite two layer structure cable is to be best suitable for fixing deep-sea water for a long time
The application that middle element apparatus sea is tethered at.Confirm that wirerope is compared in application at sea in deep water for this composite two layer structure hawser simultaneously
With anchor chain anchoring system, there is lighter, safer, more durable advantage.Ultra-high molecular weight polyethylene and wear-resisting high-strength type terylene skin
Core composite two layer structure tether cable not only possesses that ultra-high molecular weight polyethylene hawser intensity is big, lightweight, low extension, low compacted
Become, ageing-resistant, float on water, easy-operating feature, and there is the coefficient of friction suitable with terylene and anti-wear performance, thus greatly
Ground extends the service life of hawser.
Brief description
Fig. 1 is element apparatus tether cable core-sheath double-decker schematic diagram in the water of present invention sea.
Fig. 2 is element apparatus tether cable cross section structure schematic diagram in the water of present invention sea.
Specific embodiment
As depicted in figs. 1 and 2, element apparatus tether cable in a kind of water of sea, is core-sheath double-decker;Internal layer
8 strands of morphosiss that cable core 1 is become by dm20 ultrahigh molecular weight polyethylene, outer layer is consolidating of wear-resisting high-strength type polyster fibre braiding
Determine sheath 2.
Element apparatus tether cable manufacture method in the water of present invention one kind sea, its manufacturing process is as follows:
Step one: the cable core preparation method of 8 strands of morphosiss is as follows:
A, rove processed, choose fiber number dm20 superhigh molecular weight polyethylene fibers 3 and become rove by spelling line machine twisted;
B, rope making yarn, the rove of 7 synthesis are passed through twisting mill twisted and become rope yarn;
C, rope making stock, the rope yarn of 3 synthesis is become rope strand by stranding machine twisted;
D, sennit, the rope strand of 8 synthesis is woven into 8 strands of cable cores through rope machine;
E, resin pickup, 8 strands of cable cores are repeated several times dipping, coating lag045 resin through automatic cement dipping machine, and pass through plastic squeeze
Device, extrudes unnecessary resin;
F, prestretching are processed, and carry out prestretching using special puller system to cable core, the actually used pulling force that pulling force designs for hawser
2~3 times, 50~60 seconds prestretching time, processed by prestretching, so that cable core form is relatively fixed, creep reduce;
G, drying, after prestretching is processed, cable core are put on rope support and dry or send into drying room drying, package build is waited simultaneously
With;
The diameter that it is critical only that control cable core of weaving, improves strength and makes every effort to even thickness.Control diameter main
It is radical the reasonable combination of appropriately configured fiber, and the intensity of cable core has outside the Pass except the intensity with fibrous material, also with fibre
Fibre number is relevant with density size during braiding.In general, fiber number is conducive to greatly the performance of rate of utilization of strength.In addition, with
The reduction of count, then the intensity of cable core just increase.Count can not be excessive, otherwise cable core not only low intensity but also feel
Harder.Count is suitably adjusted, and not only contributes to the raising of intensity, and can also obtain good feel, the thickness of cable core
Uniformity is relevant with tension force during braiding.During rove processed, rope making yarn, rope making stock and sennit, keep suffered by every fiber
Tension force is essentially the same, and the lay pitch controls in 20~30cm.
In rove processed, rope yarn, rope strand, it is respectively provided with certain twist, so may insure that the fracture of monofilament will not by force
The loss transmission of degree is far, typically just not have impact on after several lay pitch.The strength loss of same single cord yarn also will not pass
Pass far.Which enhance the overall wear resistance energy of hawser, even if the mill fluffing of hawser surface, also will not produce big shadow to intensity
Ring.Actually used proof, this weaving hawser strength compared with common weaving can improve 8~10%.
Step 2, fixed sheath establishment as follows:
A, spelling line, choose fiber number 1118d wear-resisting high-strength type polyester filament 3, twisted becomes rove;
B, twisting, will spell 7 rove after line, are twisted by twisting mill, make rope yarn;
C, stranding, the bobbin rope meeting double-deck braiding machine spindle size made on stranding machine by 3 rope yarns after twisting
Stock;
D, establishment, 32 rope strands are disposably woven into fixed sheath around cable core through double-deck braiding machine.
Above-mentioned technological process is:
Claims (1)
1. in a kind of water of sea element apparatus tether cable it is characterised in that: it is core-sheath double-decker;Internal layer cable core
(1) the 8 strands of morphosiss being become by dm20 ultrahigh molecular weight polyethylene, outer layer is the fixation of wear-resisting high-strength type polyster fibre braiding
Sheath (2);
Step one: the cable core preparation method of 8 strands of morphosiss is as follows:
A, rove processed, choose fiber number dm20 superhigh molecular weight polyethylene fibers 3 and become rove by spelling line machine twisted;
B, rope making yarn, the rove of 7 synthesis are passed through twisting mill twisted and become rope yarn;
C, rope making stock, the rope yarn of 3 synthesis is become rope strand by stranding machine twisted;
D, sennit, the rope strand of 8 synthesis is woven into 8 strands of cable cores through rope machine;
E, resin pickup, 8 strands of cable cores are repeated several times dipping, coating lago045 resin through automatic cement dipping machine, and are filled by plastic squeeze
Put, extrude unnecessary resin;
F, prestretching are processed, and carry out prestretching using special puller system to cable core, and the 2 ~ 3 of the actually used pulling force that pulling force designs for hawser
Times, 50 ~ 60 seconds prestretching time, processed by prestretching, so that cable core form is relatively fixed, creep reduces;
G, drying, after prestretching is processed, cable core are put on rope support and dry or send into drying room drying, package build standby simultaneously;
Step 2, fixed sheath establishment are as follows:
A, spelling line, choose fiber number 1118d wear-resisting high-strength type polyester filament 3, twisted becomes rove;
B, twisting, will spell 7 rove after line, are twisted by twisting mill, make rope yarn;
C, stranding, the bobbin rope strand meeting double-deck braiding machine spindle size made on stranding machine by 3 rope yarns after twisting;
D, establishment, 32 rope strands are disposably woven into fixed sheath around cable core through double-deck braiding machine.
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