CN105088950B - A kind of outer layer has guy of twisted steel cable of polyurea protection material and preparation method thereof - Google Patents
A kind of outer layer has guy of twisted steel cable of polyurea protection material and preparation method thereof Download PDFInfo
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- CN105088950B CN105088950B CN201510084411.8A CN201510084411A CN105088950B CN 105088950 B CN105088950 B CN 105088950B CN 201510084411 A CN201510084411 A CN 201510084411A CN 105088950 B CN105088950 B CN 105088950B
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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
- D07B1/16—Ropes or cables with an enveloping sheathing or inlays of rubber or plastics
- D07B1/162—Ropes or cables with an enveloping sheathing or inlays of rubber or plastics characterised by a plastic or rubber enveloping sheathing
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2201/00—Ropes or cables
- D07B2201/20—Rope or cable components
- D07B2201/2083—Jackets or coverings
- D07B2201/2087—Jackets or coverings being of the coated type
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2201/00—Ropes or cables
- D07B2201/20—Rope or cable components
- D07B2201/2083—Jackets or coverings
- D07B2201/2088—Jackets or coverings having multiple layers
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2201/00—Ropes or cables
- D07B2201/20—Rope or cable components
- D07B2201/2083—Jackets or coverings
- D07B2201/2092—Jackets or coverings characterised by the materials used
-
- 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
- D07B2205/2064—Polyurethane resins
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2501/00—Application field
- D07B2501/20—Application field related to ropes or cables
- D07B2501/2015—Construction industries
- D07B2501/203—Bridges
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- Ropes Or Cables (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
A kind of outer layer has the guy of twisted steel cable of polyurea protection material, the steel strand wires assembly constituted including n roots steel strand wires, being coated with a polyurea protection coating I composition outer layer in the outer layer of n root steel strand wires assemblys has a of guy of twisted steel cable I of polyurea protection material, and the a0b of guy of twisted steel cable I of the composition of polyurea protection coating II is coated with the outer layer of a of guy of twisted steel cable I band that is wrapped.Its preparation method is by by pretreatment; dry; steel strand wires assembly after coalescence forming step coats process I by polyurea materials again; be wrapped process; polyurea materials coating process II, extrusion molding; one or multi-step among the processes such as polyurea materials coating process III is rapid, and the serial guy of twisted steel cable with multiple protective is made.Preparation method of the present invention is easy；Guy of twisted steel cable anti-tensile tensile strength, the pliability produced are good, and damping is high, and ageing-resistant, wear-resisting, damping property is good；Guy of twisted steel cable antiseptic power is greatly improved, extends guy of twisted steel cable service life, 1≤n≤1000.
Description
Technical field
The present invention relates to a kind of drag-line and preparation method thereof, the steel strand wires that particularly a kind of outer layer has polyurea protection material are drawn
Rope and preparation method thereof.
Background technology
Drag-line is cable-supported bridge and the core component of building, based on engineering bridge and the projected life of building
Up to even more than 100 years 70 years, and the service life of current guy of twisted steel cable only had 20 years to 30 years, so causes cable branch
Holding bridge and building needs repeatedly to change rope in use, and the cost for changing rope is high and influences to use.Therefore steel strand wires are used as
The unit block steel strand wires of drag-line are, it is necessary to new structure type, it is ensured that its high-durability.
Steel strand wires are general to be twisted together and is formed by central hair, side silk, and the anticorrosive steel strand that oneself has at present typically has two kinds, the first
It is directly to be coated with one layer of anticorrosive coat in steel strand wires outer layer, second is to enter the central hair and each Gen Biansi that constitute steel strand wires respectively
Steel strand wires are twisted together into after row preservative treatment or PE layers are coated in steel strand wires outer layer again and form combined anti-corrosion layer steel strand wires, anticorrosion with painting
Steel strand wires are one of them, and anticorrosion with painting steel strand wires are had at present and are mainly epoxy coating strand, there is epoxy powder full coat
Overall two kinds of the application steel strand wires of steel loading twisted wire and appearance, the master operation of epoxy powder whole coating steel twisted wire preparation method be by
Steel strand wires deploy, and steel strand wires is entered with open mode by spray equipment, to the central hair under open mode and Mei mono- Gen Biansi
Through being heating and curing, cool down after row application epoxy resin powder, then side silk tussled onto central hair again.
Because epoxy resin is a kind of thermosetting polymer plastics, after thermosetting, hardness is high but toughness is poor, thus above-mentioned two
Planting epoxy coating strand product, no matter it applies thickness or thin, there is common drawback：
1. coating is easy to crack, come off, pin hole is also also easy to produce, thus steel strand wires are easily corroded, so as to influence making for steel strand wires
Use the life-span；
2. because the coating of the overall application steel strand wires of appearance is thermosets epoxy resin, make the steel strand wires after application firm
Property it is big, bendability is poor, and epoxy resin is applied has aging phenomenon for a long time, and its anti-wear performance is poor.
Zinc-plated in addition, the steel strand wires such as plating zinc-aluminium use the anti-corrosion method of sacrificial dielectric, are difficult by local defects such as pin holes
Influence, but its coating is easily lost, therefore its service life is generally not especially long；Therefore the anti-corrosion of prestress wire is to pass
The significant problem of science of bridge building quality life-span, must strengthen truly feasible anti-corrosion measure for prestressing force steel strand wires, to subtract
The massive losses that few prestress wire fails and brought in advance caused by corrosion.
Polyurea materials are a kind of elastomer substances that generation is reacted by isocyanate component and amino-compound component, are divided into
Pure polyureas and half polyureas, the most basic characteristic of polyureas is exactly anti-corrosion and waterproof, wear-resisting etc., is used in space industry mostly at present.
Therefore, how polyurea materials are applied in the protection of guy of twisted steel cable, make a kind of with polyurea protection material
Guy of twisted steel cable be prestressing technique drag-line technical field people be badly in need of at present solve technical barrier.
The content of the invention
It is an object of the invention to provide the guy of twisted steel cable that a kind of outer layer has polyurea protection material, the outer layer has polyureas to prevent
The guy of twisted steel cable of protective material utilizes the excellent properties of polyurea materials, can greatly improve the anti-corrosion of guy of twisted steel cable, damping, antiskid
Performance, postpones drag-line service life, there is the making of the guy of twisted steel cable of polyurea protection material invention also provides the outer layer
Method.
To solve the above problems, the technical solution adopted by the present invention is：A kind of outer layer has the steel strand wires of polyurea protection material
Drag-line, including the steel strand wires assembly that n roots steel strand wires are constituted, described single steel strand are twisted together by 1 central hair, m Gen Biansi
Form, including the smooth surface steel strand wires that are made up of bright steel wire or epoxy coating is attached with by the periphery in bright steel wire, it is zinc-plated
Coating, plastic coating, anti-corrosion grease coating, oiliness wax or the surface attachment coating of the coat of metal or the anti-corrosion steel wire of coating are constituted
Anticorrosive steel strand, hereafter referred to collectively as steel strand wires, it is characterised in that：The guy of twisted steel cable that the outer layer has polyurea protection material be
The steel that the outer layer that the outermost layer of n root steel strand wires assemblys is coated with a strata urea protective coating I composition has polyurea protection material is twisted
The a of line drag-line I, described polyurea materials are pure polyurea materials or half polyurea materials, and 3≤m≤6, m is integer, and n is more than or equal to 1
Integer less than or equal to 1000.
Its further technical scheme is：The guy of twisted steel cable that the outer layer has polyurea protection material is that have polyurea protection in outer layer
The outermost layer of a of guy of twisted steel cable I of material steel strand wires assembly, which has one to be wrapped with the outer layer constituted, polyurea protection material
The a0 of guy of twisted steel cable I.
Further：The guy of twisted steel cable that the outer layer has polyurea protection material is the steel strand wires for having polyurea protection material in outer layer
The outer layer that the outer layer of the a0 of drag-line I band that is wrapped is coated with the composition of polyurea protection coating II has the guy of twisted steel cable of polyurea protection material
Ⅰa0b。
Its further technical scheme is：The outer layer has the outer layer of the guy of twisted steel cable of polyurea protection material or has an individual layer
HDPE sheaths constitute outer layer by the double-deck HDPE sheaths being made up of internal layer HDPE sheaths and outer layer HDPE sheaths and have polyurea protection
The guy of twisted steel cable of material, including：
1. there is the outer layer of a of guy of twisted steel cable I of polyurea protection material steel strand wires assembly in outer layer or have an individual layer
The outer layer that HDPE sheaths are constituted has the a1 of guy of twisted steel cable I of polyurea protection material；Or the outer layer of steel strand wires assembly has bilayer
The outer layer that HDPE sheaths are constituted has the a2 of guy of twisted steel cable I of polyurea protection material.
2. the outer layer for being coated with polyurea protection coating II with outer layer that is wrapped has the a0b of guy of twisted steel cable I of polyurea protection material
The band that is wrapped outer layer or the outer layer that there are an individual layer HDPE sheaths to constitute have the a0b1 of guy of twisted steel cable I of polyurea protection material；Or
The outer layer for having double-deck HDPE sheaths to constitute has the a0b2 of guy of twisted steel cable I of polyurea protection material.
Its again further technical scheme be：The outer layer has the a1's of guy of twisted steel cable I or I a0b1 of polyurea protection material
Individual layer HDPE sheath outer layers are also coated with a strata urea protective coating III, and constituting outer layer has the guy of twisted steel cable of polyurea protection material
I a1c or I a0b1c；
There is the outer layer of the a2 of guy of twisted steel cable I or I a0b2 of polyurea protection material double-deck HDPE sheaths in outer layer
Be also coated with a strata urea protective coating III outside HDPE sheaths, constitute outer layer have polyurea protection material the a2c of guy of twisted steel cable I or
It is I a0b2c.
Related another technical scheme is：A kind of above-mentioned outer layer has the making side of the guy of twisted steel cable of polyurea protection material
Method, the guy of twisted steel cable that the outer layer has polyurea protection material includes the steel strand wires assembly that n roots steel strand wires are constituted, and described is single
Steel strand wires are by 1 central hair, m Gen Biansi are twisted forms, including the smooth surface steel strand wires that are made up of bright steel wire or by smooth surface
The periphery of steel wire is attached with the table of epoxy coating, galvanizing coating, plastic coating, anti-corrosion grease coating, oiliness wax or the coat of metal
The anticorrosive steel strand that the anti-corrosion steel wire of face adhering coating or coating is constituted, hereafter referred to collectively as steel strand wires, its preparation method are included to n
Root steel strand wires carry out A, pretreatment, and B, drying, C, coalescence are molded into the steel strand wires assembly of n roots steel strand wires composition, and its feature exists
In：The preparation method that the outer layer has the guy of twisted steel cable of polyurea protection material be will by A, pretreatment, B, drying, C, coalescence into
Steel strand wires assembly after type step coats process I by D, polyurea materials again, steel strand wires is combined outer circumferential surface attachment poly-
Urea coating；The outermost layer for being formed in steel strand wires assembly is coated with the outer layer of a strata urea protective coating and has polyurea protection material
The a of guy of twisted steel cable I；
Its committed step is D：Polyurea materials coat process I；The D：Polyurea materials coating process I is by guy of twisted steel cable
Steel strand wires assembly one of in the following manner：
1. Extrusion Coating：Steel strand wires assembly is passed through into the hot-extrudable polyurea materials of extrusion moulding type equipment；
2. spray：By equipment temperature-pressure, raw material is after mixing at nozzle by lance ejection polyurea materials to steel strand wires
On assembly；
3. pumping painting is soaked：Steel strand wires assembly is immersed in carbamide paint by pulling equipment, passes through discharge ring after immersion
Shape shaping structures；
4. machine painting way：Polyurea materials are made to be coated uniformly on steel strand wires assembly using machine brushing；
The steel strand wires of guy of twisted steel cable is combined outer circumferential surface and adhere to one layer of polyurea coating；It is formed in n root steel strand wires structures
Into the outer layer outer layer that has polyurea protection material of steel strand wires assembly have a of guy of twisted steel cable I of polyurea protection material；3≤m≤
6,1≤n≤1500, m, n are integer.
The further technical scheme of this method is：The outer layer made through above-mentioned steps is had to the steel strand wires of polyurea protection material
The a of drag-line I passes through E again：Be wrapped process, and be wrapped the one layer of band that is wrapped in the periphery of steel strand wires assembly, and constituting outer layer has polyurea protection
The a0 of guy of twisted steel cable I of material.
This method further technical scheme is：The periphery in steel strand wires assembly of making is wrapped the one layer of band that is wrapped
The a0 of guy of twisted steel cable I that the outer layer of composition has polyurea protection material passes through F again：Polyurea materials coat process II, i.e.,：By following
One of mode：
1. Extrusion Coating：The a0 of guy of twisted steel cable I is passed through into the hot-extrudable polyurea materials of extrusion moulding type equipment；
2. spray：By equipment temperature-pressure, raw material is after mixing at nozzle by lance ejection polyurea materials to steel strand wires
On the a0 of drag-line I；
3. pumping painting is soaked：The a0 of guy of twisted steel cable I is immersed in carbamide paint by pulling equipment, passes through discharge ring after immersion
Shape shaping structures；
4. machine painting way：Polyurea materials are made to be coated uniformly on the a0 of guy of twisted steel cable I using machine brushing；
The outer layer that making the outer layer of steel strand wires assembly has the band that is wrapped has the outer weekly forms of the a0 of guy of twisted steel cable I of polyurea protection material
Polyurea coating II is adhered in face, and constituting outer layer has the a0b of guy of twisted steel cable I of polyurea protection material.
Further technical scheme is this method again：The above-mentioned outer layer through step A, B, C and D making there is into polyurea protection
The a of guy of twisted steel cable I of material or again through step E and F make outer layer have the a0b of guy of twisted steel cable I of polyurea protection material again
By G1:PE covers extrusion molding process I or passes sequentially through G1:PE set extrusion moldings process I and G2:PE set extrusion moldings process II；It is fabricated to
The outer layer that outer layer has individual layer HDPE sheaths to constitute has the a1 of guy of twisted steel cable I, I a0b1 of polyurea protection material or has double-deck HDPE
The outer layer that sheath is constituted has the a2 of guy of twisted steel cable I, I a0b2 of polyurea protection material.
Further technical scheme is this method again：G1 will be passed through again through step:PE sets extrusion molding process I or successively
Pass through G1:PE set extrusion moldings process I and G2:The outer layer that PE set extrusion moldings process II makes has the guy of twisted steel cable of polyurea protection material
The a2 of guy of twisted steel cable I, I a0b2 that I a1, I a0b1 or outer layer have polyurea protection material pass through H again：Polyurea materials coat process
Ⅲ：I.e. one of in the following manner：
1. Extrusion Coating：The a1 of guy of twisted steel cable I, I a0b1, I a2 or I a0b2 are passed through into the hot-extrudable polyureas of extrusion moulding type equipment
Material；
2. spray：By equipment temperature-pressure, raw material is after mixing at nozzle by lance ejection polyurea materials to steel strand wires
On the a1 of drag-line I, I a0b1, I a2 or I a0b2；
3. pumping painting is soaked：The a1 of guy of twisted steel cable I, I a0b1, I a2 or I a0b2 are immersed in carbamide paint by pulling equipment
In, by exporting ring-type shaping structures after immersion；
4. machine painting way：Polyurea materials are made to be coated uniformly on the a1 of guy of twisted steel cable I, I a0b1, I using machine brushing
On a2 or I a0b2；
Polyurea materials are coated in the outer layer of drag-line individual layer HDPE sheaths or the outer layer of bilayer HDPE sheaths, outermost is formed in
The outer layer that layer is coated with polyurea protection coating III has the a1c of guy of twisted steel cable I, I a0b1c, I a2c or I of polyurea protection material
a0b2c。
A kind of outer layer of the present invention has in the preparation method of guy of twisted steel cable of polyurea protection material, and described polyurea materials are
Pure polyurea materials or half polyurea materials.
Due to taking above technical scheme, the guy of twisted steel cable that a kind of outer layer of the present invention has polyurea protection material have with
Lower feature and beneficial effect：
1. the anti-corrosion of guy of twisted steel cable, damping, antiskid performance can be greatly improved, extend guy of twisted steel cable service life.
Because the guy of twisted steel cable that the outer layer of the present invention has polyurea protection material is the steel strand wires that are made up of many steel strand wires
Assembly, with following two kinds of primary structure forms, one layer of polyurea protection painting is coated with the outermost layer of steel strand wires assembly
The outer layer that layer I is constituted has a of guy of twisted steel cable I of polyurea protection material；Or there is one to be wrapped in the outermost layer of steel strand wires assembly
Band, the outer layer for the band that is wrapped, which are coated with the composition outer layer of polyurea protection coating II, the a0b of guy of twisted steel cable I of polyurea protection material；Again
Based on the guy of twisted steel cable for having polyurea protection material by the outer layer of both structures, steel strand wires assembly outer layer or have one
Individual layer HDPE sheaths have by the double-deck HDPE sheaths being made up of internal layer HDPE sheaths and outer layer HDPE sheaths, or constituting outer layer
The outer layer of individual layer HDPE sheaths has the individual layer of the guy of twisted steel cable of polyurea protection material or the outer layer of bilayer HDPE sheaths also to coat
There is a strata urea protective coating III to constitute the guy of twisted steel cable with polyurea protection coating with multiple protective；Due to polyurea materials
With excellent wearability, impact resistance and damping property, the steel strand surface of guy of twisted steel cable matrix is coated on, its coating connects
It is continuous, fine and close, seamless can be accomplished, pin-free, the infiltration of moisture content and oxygen in isolation air, steel strand wires and steel can be protected
Epoxy coating, plastic coating or the anti-corrosion grease coating that twisted wire surface attachment has are non-aging, can slow down galvanizing coating be easily lost,
Easily influenceed by local defects such as pin holes, greatly improve the antiseptic power of such guy of twisted steel cable, and increase its anti-wear performance, prolonged
The service life of long guy of twisted steel cable；Polyurea materials have the characteristic such as excellent tensile strength, ageing-resistant, wear-resistant simultaneously, can
The damage caused by constructing operation is improper in the manufacturing and installation process is reduced, cracking, obscission is not likely to produce, carries significantly
The antiseptic power of high guy of twisted steel cable, increase the service life.
2. frictional force is big between compact conformation, steel strand wires, strengthen its antiskid performance, fatigue resistance is improved：
The outer layer of the present invention have the guy of twisted steel cable of polyurea protection material steel strand wires outmost surface and gap in be coated with
Or filled with polyurea materials, because polyurea materials have the physical property of high abrasion, therefore, polyurea coating need not be very thick, by him
When constituting presstressed reinforcing steel, can be in regular hexagon or the arrangement of unfilled corner Hexagonal close or other forms row between each steel strand wires
Row, compact conformation, the frictional force that can strengthen guy of twisted steel cable strengthen its antiskid performance；It is more beneficial in bridge cable in Sarasota
Both sides are used by under the operating mode of out-of-balance force.
3. the present invention can improve the performance of existing coating or coating steel strand wires, thus also greatly improve the anti-of guy of twisted steel cable
Rotten ability, and increase its wearability, extend the service life of guy of twisted steel cable.
4. making simple and convenient, technological transformation cost is low：
The guy of twisted steel cable that making the outer layer of the present invention has polyurea protection material is produced without changing existing guy of twisted steel cable
Technique, only need to be attached with ring in the smooth surface steel strand wires being made up of bright steel wire made or by the periphery in bright steel wire
Oxygen coating, galvanizing coating, plastic coating, anti-corrosion grease coating, the surface attachment coating of oiliness wax or the coat of metal or coating
On the basis of the anticorrosive steel strand that anti-corrosion steel wire is constituted, the extrusion molding of polyurea materials several times or coating process are further added by：Pass through extrusion molding
Machine is heated the particulate polyurea matched, and the steel strand wires assembly after coalescence is molded is hot-extrudable by extruding machine
Polyurea materials or professional equipment spraying, make one layer of polyurea coating in steel strand wires assembly periphery or surface attachment of guy of twisted steel cable；
The outer layer that being formed in the outer layer of n root smooth surface steel strand wires or anticorrosive steel strand assembly has polyurea protection material has polyurea protection material
The a of guy of twisted steel cable I；Or the outer layer that outer layer has polyurea protection material have polyurea protection material a of guy of twisted steel cable I, I
A0b individual layer HDPE sheaths outer layer or the outer layer HDPE sheath outer layers of bilayer HDPE sheaths are also coated with one layer of polyurea protection painting
The outer layer with multiple protective layer that layer III is constituted has the guy of twisted steel cable of polyurea protection material.
5. preparation method rationally, is solved and how polyurea materials is applied in the protection of guy of twisted steel cable, make a kind of
The technical barrier of guy of twisted steel cable with polyurea protection coating；
Mode currently used for brushing polyureas is brushing by hand and equipment injection, is made using scope for broader place
Industry, because the external form profile of steel strand wires is smaller, brushes easily to produce by hand and brushes uneven uniform and sagging phenomenon, and conventional equipment
Spraying equipment is larger, and projected area is larger, wastes larger to spraying individual wire polyurea materials, more than 90% waste of material falls.By
Very fast in the film forming speed of polyureas, if manual operations is improper, spraying grasps inaccurate wait and then easily causes coating became uneven, table
See out-of-flatness, the problems such as aberration is big.If construction experience lacks, selection base treatment agent is improper, when basic unit is not up to construction requirement,
Easily cause polyurea coating foaming, pinprick, layering, bond the phenomenon such as loosely.Painting way not foot phenomenon, this hair more than
Bright method by polyurea materials by extrude or spray coated form coat specific method be：Guy of twisted steel cable is passed through following
One of mode：
1. Extrusion Coating：Guy of twisted steel cable is passed through into the hot-extrudable polyurea materials of extrusion moulding type equipment respectively；Pass through extrusion moulding type
Equipment is heated the polyurea materials particle matched, makes polyurea materials fully anti-under extrusion moulding type equipment molten condition
Should, guy of twisted steel cable is passed through into the hot-extrudable polyurea materials of extrusion moulding type equipment；
2. spray：By equipment temperature-pressure, raw material is after mixing at nozzle by lance ejection polyurea materials to steel strand wires
On drag-line；Emitted dose is controlled by machine nozzle, Steel Wire Surface is uniformly extruded onto, polyureas thick layer can be effectively controlled, can
According to the characteristics of steel strand wires small volume, the spraying equipment of ring-like or small hole nozzle is researched and developed in special design, in the production of streamline
Even application reduces the waste rate of material in Steel Wire Surface on line：
3. pumping painting is soaked：Guy of twisted steel cable is immersed in carbamide paint by pulling equipment, passes through discharge ring after immersion
Shape shaping structures；Steel wire and guy of twisted steel cable are immersed in carbamide paint by pulling equipment drag-line, it is passed through after soaking
Ring-type shaping structures are exported, can be coated uniformly on guy of twisted steel cable；
4. machine painting way：Polyurea materials are brushed on guy of twisted steel cable by machine；Automated using machinery equipment
Brushing function makes polyurea materials be coated uniformly on steel wire and guy of twisted steel cable.
It is current by way of extrusion moulding type equipment Extrusion Coating, ring-like or aperture spray, soak pumping painting or machine brushing
In the market is not only accurately controlled without the spraying method occurred, the change of spraying method to the guy of twisted steel cable of small volume
The thickness of polyureas, and prevent the waste of material.
Below, have in conjunction with the accompanying drawings and embodiments to a kind of outer layer of the present invention polyurea protection material guy of twisted steel cable and its
The technical characteristic of preparation method is further described.
Brief description of the drawings
Fig. 1-1~Fig. 1-5 is that the embodiment of the present invention one is coated with one layer of polyurea protection in the outermost layer of steel strand wires assembly
The outer layer that coating I is constituted has the structural representation of the guy of twisted steel cable of polyurea protection material：
Fig. 1-1：The outer layer for being coated with a strata urea protective coating I composition in the outer layer of steel strand wires assembly has polyurea protection
The a of guy of twisted steel cable I of material；
Fig. 1-2：The outer layer for having an individual layer HDPE sheaths to constitute in a of guy of twisted steel cable I outer layer has polyurea protection material
The a1 of guy of twisted steel cable I；
Fig. 1-3：The outer layer for having double-deck HDPE sheaths to constitute in the outer layer of steel strand wires assembly has the steel of polyurea protection material
The a2 of twisted wire drag-line I；
Fig. 1-4：The outer layer of a strata urea protective coating III composition is coated with outside individual layer HDPE sheaths polyurea protection material
The a1c of guy of twisted steel cable I of material；
Fig. 1-5：The outer layer HDPE sheath outer layers of double-deck HDPE sets are also coated with the outer of a strata urea protective coating III composition
Layer has the a2c of guy of twisted steel cable I of polyurea protection material.
Fig. 2-1~Fig. 2-6 is that the band of the embodiment of the present invention two is wrapped with or is coated with a strata urea in the outer layer for the band that is wrapped
Protective coating II has individual layer HDPE sheaths or the outer layer of bilayer HDPE sheaths composition to have polyurea protection material in the outer layer for the band that is wrapped
The structural representation of the guy of twisted steel cable of material：
Fig. 2-1：Having one to be wrapped with composition outer layer outside a of guy of twisted steel cable I that outer layer has polyurea protection material has polyureas to prevent
The a0 of guy of twisted steel cable I of protective material structural representation；
Fig. 2-2：The a0 of guy of twisted steel cable I be wrapped with outer layer be coated with polyurea protection coating II composition outer layer have polyurea protection
The a0b of guy of twisted steel cable I of material structural representation；
Fig. 2-3：The outer layer that the a0b outer layers of guy of twisted steel cable I have an individual layer HDPE sheaths to constitute has the steel of polyurea protection material
The a0b1 of twisted wire drag-line I structural representation；
Fig. 2-4：The steel that the outer layer that the a0b outer layers of guy of twisted steel cable I have double-deck HDPE sheaths to constitute has polyurea protection material is twisted
The a0b2 of line drag-line I structural representation；
Fig. 2-5：The a0b1 of guy of twisted steel cable I individual layer HDPE sheath outer layers are coated with the outer layer of the composition of polyurea protection coating III
There is the a0b1c of guy of twisted steel cable I of polyurea protection material structural representation；
Fig. 2-6：The outer layer HDPE sheath outer layers of the a0b2 of guy of twisted steel cable I double-deck HDPE sets are coated with polyurea protection coating
III constitute outer layer have polyurea protection material the a0b2c of guy of twisted steel cable I structural representation.
In figure：
There are the steel strand wires of adhering coating or coating on the single smooth surface steel strand wires of 1- or surface；2- is wrapped band；
31a- polyurea protections coating I, 31b- polyurea protections coating II, 31c- polyurea protections coating III；
4- internal layer HDPE sheaths；5- outer layer HDPE sheaths；
6a- outer layers have a of guy of twisted steel cable I of polyurea protection material；
6a1- outer layers have the a1 of guy of twisted steel cable I of polyurea protection material；
6a2- outer layers have the a2 of guy of twisted steel cable I of polyurea protection material；
6a1c- outer layers have the a1c of guy of twisted steel cable I of polyurea protection material；
6a2c- outer layers have the a2c of guy of twisted steel cable I of polyurea protection material.
6a0- outer layers have the a0 of guy of twisted steel cable I of polyurea protection material；
6a0b- outer layers have the a0b of guy of twisted steel cable I of polyurea protection material；
6a0b1- outer layers have the a0b1 of guy of twisted steel cable I of polyurea protection material；
6a0b2- outer layers have the a0b2 of guy of twisted steel cable I of polyurea protection material；
6a0b1c- outer layers have the a0b1c of guy of twisted steel cable I of polyurea protection material；
6a0b2c- outer layers have the a0b2c of guy of twisted steel cable I of polyurea protection material.
Embodiment
Embodiment one：
The outer layer that a kind of outermost layer in steel strand wires assembly is coated with a strata urea protective coating I composition has polyurea protection
The guy of twisted steel cable of material：
Such as Fig. 1-1, the guy of twisted steel cable that the outer layer has polyurea protection material includes the steel strand wires combination that 7 steel strand wires are constituted
Body, the 31a of a strata urea protective coating I is coated with the outermost layer of 7 steel strand wires assemblys, constitutes the outer layer of the present invention and has polyureas
The a of guy of twisted steel cable I of protective materials.
Described single steel strand is twisted together and formed by 1 central hair, 6 Gen Biansi, including the smooth surface being made up of bright steel wire
Steel strand wires or epoxy coating, galvanizing coating, plastic coating, anti-corrosion grease coating, oil are attached with by the periphery in bright steel wire
Property wax or the coat of metal surface attachment coating or coating anti-corrosion steel wire constitute anticorrosive steel strand, hereafter referred to collectively as steel twist
Line.
As one kind conversion of the embodiment of the present invention, constituting outer layer has the steel strand wires of guy of twisted steel cable of polyurea protection material
1 radical n can be increased or decreased according to actual needs, at least 1, more than comparison is 3-139 roots, and general n takes
Value scope is：1≤n≤1000.
Single steel strand described in Fig. 1-1 is twisted together and formed by 1 central hair, 6 Gen Biansi, is used as the embodiment of the present invention
One kind conversion, the radical m of the side silk of steel strand wires can be increased or decreased, and at least 3, more than comparison is 6, general m
Span be：3≤m≤6.
As another conversion of the embodiment of the present invention, the outer layer has the a's of guy of twisted steel cable I of polyurea protection material outer
Layer has the individual layer HDPE sheaths being made up of HDPE sheaths 4, and constituting outer layer has the a1 of guy of twisted steel cable I of polyurea protection material（Referring to
Fig. 1-2）Or constituting outer layer by the double-deck HDPE sheaths being made up of internal layer HDPE sheaths 4 and outer layer HDPE sheaths 5 has polyureas to prevent
The a2 of guy of twisted steel cable I of protective material（Referring to Fig. 1-3）.
As another conversion of the embodiment of the present invention, the outer layer has the a1 of guy of twisted steel cable I of polyurea protection material list
The outer layer of outer layer HDPE sheaths 5 of the outer layer of layer HDPE sheaths 4 or bilayer HDPE sheaths is also coated with the 31c of a strata urea protective coating III
Constituting outer layer has the a1c of guy of twisted steel cable I of polyurea protection material（Referring to Fig. 1-4）And the steel that outer layer has polyurea protection material is twisted
The a2c of line drag-line I（Referring to Fig. 1-5）.
Embodiment two：
The outer layer for having a of guy of twisted steel cable I of the polyurea protection material band that is wrapped in outer layer is coated with one layer of polyurea protection painting
The outer layer with multiple protective layer that layer II is constituted has the guy of twisted steel cable of polyurea protection material：
As shown in Fig. 2-1, there are a of guy of twisted steel cable I of polyurea protection material steel strand wires in the outer layer described in embodiment one
The periphery of assembly is also tied with one and is wrapped band 2, and constituting outer layer has the a0 of guy of twisted steel cable I of polyurea protection material（Referring to Fig. 2-1）；
The outer layer of band 2 that is wrapped for having the a0 of guy of twisted steel cable I of polyurea protection material in outer layer again is coated with a strata urea protective coating II
31b, constituting outer layer has the a0b of guy of twisted steel cable I of polyurea protection material（Referring to Fig. 2-2）；
As one kind conversion of the embodiment of the present invention, the outer layer has twining for the a0b of guy of twisted steel cable I of polyurea protection material
Band outer layer has the individual layer HDPE sheaths being made up of HDPE sheaths 4, and constituting outer layer has the guy of twisted steel cable I of polyurea protection material
a0b1（Referring to Fig. 2-3）Or be made up of the double-deck HDPE sheaths being made up of internal layer HDPE sheaths 4 and outer layer HDPE sheaths 5 outer
Layer has the a0b2 of guy of twisted steel cable I of polyurea protection material（Referring to Fig. 2-4）.
As one kind conversion of the embodiment of the present invention, the outer layer has the a0b1 individual layers of guy of twisted steel cable I of polyurea protection material
The outer layer of HDPE sheaths 4 is also coated with the 31c of a strata urea protective coating III, and constituting outer layer has the guy of twisted steel cable of polyurea protection material
Ⅰa0b1c（Referring to Fig. 2-5）；
Or the outer layer of the steel strand wires assembly outer layer that has double-deck HDPE sheaths has the guy of twisted steel cable I of polyurea protection material
The a0b2 outer layer of outer layer HDPE sheaths 5 is also coated with the 31c of a strata urea protective coating III, constitutes the outer layer with multiple protective layer
There is the a0b2c of guy of twisted steel cable I of polyurea protection material（Referring to Fig. 2-6）.
The steel strand wires that one~embodiment of above-described embodiment two only lists conventional several outer layers and has polyurea protection material are drawn
The structure type of rope, in implementation process of the present invention, can be according to construction the need for, using described in embodiment one " one kind in steel
The outer layer that the outermost layer of twisted wire assembly is coated with a strata urea protective coating I composition has the guy of twisted steel cable of polyurea protection material
I a is basic structure, then is adding the band that is wrapped outside on the basis of this basic structure, then is being wrapped with outer coating polyurea protection
Coating II, then have the individual layer HDPE sheaths 4 being made up of HDPE sheaths 4 outside or have by internal layer HDPE sheaths 4 and outer layer
The double-deck HDPE sheaths that HDPE sheaths 5 are constituted；And the list of the HDPE sheaths 4 of the guy of twisted steel cable with polyurea protection coating
The outer layer of outer layer HDPE sheaths 5 of layer HDPE sheaths outer layer or bilayer HDPE sets is also coated with a strata urea protective coating III etc. structure
Outer layer into various combination, with multiple protective structure has the guy of twisted steel cable of polyurea protection material, no longer repeats one by one herein.
Embodiment three
The preparation method that outer layer described in a kind of embodiment one has the guy of twisted steel cable of polyurea protection material, the outer layer has polyureas
The guy of twisted steel cable of protective materials includes the steel strand wires assembly that n roots steel strand wires are constituted, described single steel strand or by light
Smooth surface steel strand wires that face steel wire is constituted or by the periphery in bright steel wire be attached with epoxy coating, galvanizing coating, plastic coating,
The anticorrosive steel strand that the surface attachment coating of anti-corrosion grease coating, oiliness wax or the coat of metal or the anti-corrosion steel wire of coating are constituted,
Hereafter referred to collectively as steel strand wires, the basic step that the outer layer has the preparation method of the guy of twisted steel cable of polyurea protection material includes：
A, pretreatment：Steel strand wires are pre-processed as follows：
A1:Close inspection is carried out for raw material steel strand wires, and its outer surface should not have the pollutants such as oil, fat, paint, pass through
Draw drum is explained the deep bid to steel strand wires；
A2:Surface treatment：Steel strand surface is handled using phosphoric acid and ultrasonic wave, remove Steel Wire Surface greasy dirt,
Dust, rusty stain, and in individual wire Surface Creation one layer do not allow perishable grey phosphating coat uniformly；
B, drying：Steel strand wires are thermally dried, surface moisture content is removed；
C, coalescence shaping：The steel strand wires assembly that n root steel strand wires coalescence is constituted；
D, polyurea materials coating process I：It is the steel strand wires that will pass through after A, pretreatment, B, drying, C, coalescence forming step
Assembly coats process I by D, polyurea materials again：Steel strand wires are made to combine outer circumferential surface attachment polyurea coating；It is formed in steel strand
The outer layer that the outermost layer of line assembly is coated with a strata urea protective coating has a of guy of twisted steel cable I of polyurea protection material（6a）；
The D：Polyurea materials coating process I be by the steel strand wires assembly of guy of twisted steel cable one of in the following manner：
1. Extrusion Coating：Steel strand wires assembly is passed through into the hot-extrudable polyurea materials of extrusion moulding type equipment；
2. spray：By equipment temperature-pressure, raw material is after mixing at nozzle by lance ejection polyurea materials to steel strand wires
On assembly；
3. pumping painting is soaked：Steel strand wires assembly is immersed in carbamide paint by pulling equipment, passes through discharge ring after immersion
Shape shaping structures；
4. machine painting way：Polyurea materials are made to be coated uniformly on steel strand wires assembly using machine brushing；
The steel strand wires of guy of twisted steel cable is combined outer circumferential surface and adhere to one layer of polyurea coating；It is formed in n root steel strand wires structures
Into the outer layer outer layer that has polyurea protection material of steel strand wires assembly have a of guy of twisted steel cable I of polyurea protection material（Referring to figure
1-1）, in Fig. 1-1, the guy of twisted steel cable that the outer layer has polyurea protection material includes the steel strand wires assembly that 7 steel strand wires are constituted,
As the conversion of the embodiment of the present invention, the radical of the steel strand wires of composition guy of twisted steel cable I a steel strand wires assembly can increase or
Reduce, at least 1, more than comparison is 3-139 roots, and the span of general n is：1≤n≤1000.
Example IV：
There is the outer layer coating of a of guy of twisted steel cable I of the polyurea protection material band that is wrapped described in a kind of embodiment two in outer layer
The outer layer with multiple protective layer for having a strata urea protective coating II to constitute has the steel of the guy of twisted steel cable of polyurea protection material
The preparation method of twisted wire drag-line.
It is that a of guy of twisted steel cable I that the outer layer for making embodiment three has polyurea protection material passes through E：Be wrapped process,
The periphery of steel strand wires assembly is wrapped one layer the band 2 that is wrapped, and constituting outer layer has the a0 of guy of twisted steel cable I of polyurea protection material；
The a0 of guy of twisted steel cable I that outer layer has polyurea protection material is passed through into F again：Polyurea materials coat process II, i.e.,：Pass through
One of in the following manner：
1. Extrusion Coating：The a0 of guy of twisted steel cable I is passed through into the hot-extrudable polyurea materials of extrusion moulding type equipment；
2. spray：By equipment temperature-pressure, raw material is after mixing at nozzle by lance ejection polyurea materials to steel strand wires
On the a0 of drag-line I；
3. pumping painting is soaked：The a0 of guy of twisted steel cable I is immersed in carbamide paint by pulling equipment, passes through discharge ring after immersion
Shape shaping structures；
4. machine painting way：Polyurea materials are made to be coated uniformly on the a0 of guy of twisted steel cable I using machine brushing；
The outer layer that making the outer layer of steel strand wires assembly has the band that is wrapped has the outer weekly forms of the a0 of guy of twisted steel cable I of polyurea protection material
The 31b of polyurea coating II is adhered in face, and constituting outer layer has the a0b of guy of twisted steel cable I of polyurea protection material.
The E:It is wrapped in process, twining package tape is wrapped for dextrorotation, single overlays width is not less than bandwidth 1/3, the layer that is wrapped is whole
Neat densification is without breakage, and steel strand wires are without exposed phenomenon.
Embodiment five：
Embodiment one, the outer layer of the conversion of the structure of embodiment two have the making side of the guy of twisted steel cable of polyurea protection material
Method：
It is that a of guy of twisted steel cable I or example IV that the outer layer for making embodiment three has polyurea protection material make
Outer layer there is the a0b of guy of twisted steel cable I of polyurea protection material to pass through G1 again:PE covers extrusion molding process I or passes sequentially through G1: PE
Cover extrusion molding process I and G2:PE set extrusion moldings process II；The G1:PE set extrusion moldings process I, G2:PE covers squeezing for extrusion molding process II
Molding process is：The extruded machine of high-density polyethylene resin, mouth mold are acted on, the steel that sheath is coated on n roots steel strand wires composition is formed
On the outside of a of twisted wire drag-line I or I a0b；The outer layer that being fabricated to outer layer has individual layer HDPE sheaths to constitute has the steel strand wires of polyurea protection material
The a1 of drag-line I, I a0b1 or the outer layer for having double-deck HDPE sheaths to constitute have the a2 of guy of twisted steel cable I, I a0b2 of polyurea protection material.
As the conversion of the embodiment of the present invention, by the outer layer of above-mentioned making have polyurea protection material the a1 of guy of twisted steel cable I,
The a2 of guy of twisted steel cable I, I a0b2 that I a0b1 or outer layer have polyurea protection material pass through H again：Polyurea materials coat process III：I.e.
One of in the following manner：
1. Extrusion Coating：The a1 of guy of twisted steel cable I, I a0b1, I a2 or I a0b2 are passed through into the hot-extrudable polyureas of extrusion moulding type equipment
Material；
2. spray：By equipment temperature-pressure, raw material is after mixing at nozzle by lance ejection polyurea materials to steel strand wires
On the a1 of drag-line I, I a0b1, I a2 or I a0b2；
3. pumping painting is soaked：The a1 of guy of twisted steel cable I, I a0b1, I a2 or I a0b2 are immersed in carbamide paint by pulling equipment
In, by exporting ring-type shaping structures after immersion；
4. machine painting way：Polyurea materials are made to be coated uniformly on the a1 of guy of twisted steel cable I, I a0b1, I using machine brushing
On a2 or I a0b2；
Polyurea materials are coated in the outer layer of drag-line individual layer HDPE sheaths or the outer layer of bilayer HDPE sheaths, outermost is formed in
The outer layer that layer is coated with polyurea protection coating III has the a1c of guy of twisted steel cable I, I a0b1c, I a2c or I of polyurea protection material
a0b2c。
Finally, all kinds of outer layers that the various embodiments described above are produced there is into the guy of twisted steel cable of polyurea protection material through I：Into
Disk, packaging：Process, the guy of twisted steel cable that various qualified outer layers have polyurea protection material is led through caterpillar tractor constant speed
Draw, and disk is synchronously rolled into by twining disk machine, complete.
In various embodiments of the present invention, the material of described polyurea protection coating is pure polyurea materials or half polyurea materials；Bag
Include following three types：
1）Aromatic polyureas, the polyureas is to utilize aromatic isocyanate（Such as MDI, liquefied mdi, PAPI）It is poly- with amino
Ether, amino chain extender reaction are formed, high with intensity, the advantages of price is more reasonable, are useful in anti-corrosion, wear-resisting etc. material is prevented
Shield.
2）Aliphatic polyurea, the polyureas is to utilize aliphatic isocyanates（Such as HDI, HDI tripolymer, HMDI, TMXDI
Deng）Prepared with amino-polyether, alicyclic ring amine chain extender reaction, with color inhibition, good anti-corrosion property energy, excellent colour retention
Can etc., for the decoration finish paint of outdoor architecture, it is also used as the sealer of aromatic polyureas coating.
3）Polyaspartic Polyurea, the polyureas is to utilize aliphatic isocyanates and polyaspartic ester reaction system
Standby, the reaction speed of coating is adjustable, and gel time can be from a few minutes to a few houres.It may be used at HTHP impacting type
In hybird environment, with being difficult foaming in low-temperature setting, coating not yellowing, solidification process, thick can apply construction, the attachment to ground
The advantages of power is good.
The selection of carbamide paint is according to depending on the need for construction, and involved carbamide paint can be that polyurea water-proof is applied
Material, polyurea anti-corrosion coating, polyureas damping coating, polyureas surface coating, polyureas subbing, polyureas filling paint, polyureas are wear-resisting
Coating, polyureas antiskid coating etc..
These are all the materials that can be bought on the market.
It is by taking the HDPE sheaths that high density polyethylene (HDPE) makes as an example, to be used as the embodiment of the present invention in various embodiments of the present invention
A kind of conversion, the HDPE sheaths can also be the PE shields made using common low density polyethylene (LDPE), medium density polyethylene
Set or other sheaths for being suitable to make material making such as rubber of bridge cable sheath for building, these are all equally to put
Change, be also the protection domain of this patent.
In the diagram of various embodiments of the present invention, described single steel strand is twisted together and formed by 1 central hair, 6 Gen Biansi,
As one kind conversion of the embodiment of the present invention, the radical m of the side silk of steel strand wires can be increased or decreased, at least 3,
More than comparing is 6, and general m span is：3≤m≤6.
Claims (6)
1. a kind of preparation method that outer layer has the guy of twisted steel cable of polyurea protection material, the steel that the outer layer has polyurea protection material is twisted
Line drag-line is to be coated with a strata urea protective coating I in the outermost layers of n root steel strand wires assemblys（31a）The outer layer of composition has polyureas
The a of guy of twisted steel cable I of protective materials, the guy of twisted steel cable that the outer layer has polyurea protection material includes the steel that n roots steel strand wires are constituted
Twisted wire assembly, single described steel strand wires are twisted together and formed by 1 central hair, m Gen Biansi, including the light being made up of bright steel wire
Face steel strand wires or by the periphery in bright steel wire be attached with epoxy coating, galvanizing coating, plastic coating, anti-corrosion grease coating,
The anticorrosive steel strand that the anti-corrosion steel wire of the surface attachment coating or coating of oiliness wax or the coat of metal is constituted, hereafter referred to collectively as steel are twisted
Line, its preparation method includes carrying out n roots steel strand wires A, pretreatment, and B, drying, C, coalescence are molded into the steel of n roots steel strand wires composition
Twisted wire assembly；
It is characterized in that：The preparation method that the outer layer has the guy of twisted steel cable of polyurea protection material is will to pass through A, pretreatment, B,
Dry, the steel strand wires assembly after C, coalescence forming step coats process I by D, polyurea materials again, makes steel strand wires assembly
Outer surface adheres to polyurea coating；The outermost layer for being formed in steel strand wires assembly is coated with the outer layer of a strata urea protective coating and had
The a of guy of twisted steel cable I of polyurea protection material（6a）；
Its committed step is D：Polyurea materials coat process I；The D：Polyurea materials coating process I is by the steel of guy of twisted steel cable
Twisted wire assembly is one of in the following manner：
1. Extrusion Coating：Steel strand wires assembly is passed through into the hot-extrudable polyurea materials of extrusion moulding type equipment；
2. spray：By equipment temperature-pressure, raw material is combined after being mixed at nozzle by lance ejection polyurea materials to steel strand wires
On body；
3. pumping painting is soaked：Steel strand wires assembly is immersed in carbamide paint by pulling equipment, by exporting ring-type knot after immersion
Composition type；
4. machine painting way：Polyurea materials are made to be coated uniformly on steel strand wires assembly using machine brushing；
The steel strand wires of guy of twisted steel cable is combined outer circumferential surface and adhere to one layer of polyurea coating；It is formed in n roots steel strand wires composition
The outer layer that the outer layer of steel strand wires assembly has polyurea protection material has a of guy of twisted steel cable I of polyurea protection material；3≤m≤6,1
≤ n≤1000, m, n are integer.
2. a kind of outer layer according to claim 1 has the preparation method of the guy of twisted steel cable of polyurea protection material, its feature
It is：This method is that the outer layer for making claim 1 has a of guy of twisted steel cable I of polyurea protection material again by E：Be wrapped work
Sequence, be wrapped the one layer of band that is wrapped in the periphery of steel strand wires assembly（2）, constituting outer layer has the guy of twisted steel cable I of polyurea protection material
a0。
3. a kind of outer layer according to claim 2 has the preparation method of the guy of twisted steel cable of polyurea protection material, its feature
It is：This method is that the periphery in steel strand wires assembly for making claim 2 is wrapped the one layer of band that is wrapped（2）The outer layer of composition
The a0 of guy of twisted steel cable I for having polyurea protection material passes through F again：Polyurea materials coat process II, i.e.,：One of in the following manner：
1. Extrusion Coating：The a0 of guy of twisted steel cable I is passed through into the hot-extrudable polyurea materials of extrusion moulding type equipment；
2. spray：By equipment temperature-pressure, raw material is after mixing at nozzle by lance ejection polyurea materials to guy of twisted steel cable I
On a0；
3. pumping painting is soaked：The a0 of guy of twisted steel cable I is immersed in carbamide paint by pulling equipment, by exporting ring-type knot after immersion
Composition type；
4. machine painting way：Polyurea materials are made to be coated uniformly on the a0 of guy of twisted steel cable I using machine brushing；
The outer layer that making the outer layer of steel strand wires assembly has the band that is wrapped has the a0 outer surfaces of guy of twisted steel cable I of polyurea protection material attached
Polyurea coating II（31b）, constituting outer layer has the a0b of guy of twisted steel cable I of polyurea protection material.
4. a kind of outer layer according to claim 3 has the preparation method of the guy of twisted steel cable of polyurea protection material, its feature
It is：The outer layer that a of guy of twisted steel cable I or claim 3 that the outer layer that claim 1 is made has polyurea protection material make
The a0b of guy of twisted steel cable I for having polyurea protection material passes through G1 again:PE covers extrusion molding process I or passes sequentially through G1:PE covers extrusion molding
Process I and G2:PE set extrusion moldings process II；The outer layer that being fabricated to outer layer has individual layer HDPE sheaths to constitute has polyurea protection material
The a1 of guy of twisted steel cable I, I a0b1 or the outer layer for thering are double-deck HDPE sheaths to constitute have polyurea protection material the a2 of guy of twisted steel cable I,
Ⅰa0b2。
5. a kind of outer layer according to claim 4 has the preparation method of the guy of twisted steel cable of polyurea protection material, its feature
It is：It is that the a1 of guy of twisted steel cable I, I a0b1 or the outer layer that the outer layer for making claim 4 has polyurea protection material have polyureas
The a2 of guy of twisted steel cable I, I a0b2 of protective materials pass through H again：Polyurea materials coat process III：I.e. one of in the following manner：
1. Extrusion Coating：The a1 of guy of twisted steel cable I, I a0b1, I a2 or I a0b2 are passed through into the hot-extrudable polyureas material of extrusion moulding type equipment
Material；
2. spray：By equipment temperature-pressure, raw material is after mixing at nozzle by lance ejection polyurea materials to guy of twisted steel cable I
On a1, I a0b1, I a2 or I a0b2；
3. pumping painting is soaked：The a1 of guy of twisted steel cable I, I a0b1, I a2 or I a0b2 are immersed in carbamide paint by pulling equipment, leaching
By exporting ring-type shaping structures after bubble；
4. machine painting way：Polyurea materials are made to be coated uniformly on the a1 of guy of twisted steel cable I, I a0b1, I a2 or I using machine brushing
On a0b2；
Polyurea materials are coated in the outer layer of drag-line individual layer HDPE sheaths or the outer layer of bilayer HDPE sheaths, outermost layer painting is formed in
It is covered with polyurea protection coating III（31c）Outer layer have the a1c of guy of twisted steel cable I, I a0b1c, I a2c or I of polyurea protection material
a0b2c。
6. a kind of outer layer according to any one in claim 1-5 has the making of the guy of twisted steel cable of polyurea protection material
Method, it is characterised in that：Described polyurea materials are pure polyurea materials or half polyurea materials.
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