CN105088946B - The preparation method that a kind of outer layer has the wire digging line of polyurea protection material - Google Patents

Abstract

The preparation method that a kind of outer layer has the wire digging line of polyurea protection material, being will be by pretreated steel wire after drying, being molded into steel wire combination body into disk, sub-wire, coalescence, then by polyurea materials Extrusion Coating process I outermost layer of n root steel wire combination bodies is coated with a strata urea protective coating I；The a of wire digging line I or II a, n that constituting outer layer has polyurea protection material are more than or equal to 1；Then again by a of wire digging line I or II a by the sizing that is wrapped, constituting outer layer has the a0 of wire digging line I, II a0 of polyurea protection material；The above-mentioned outer layer produced there is into the wire digging line of polyurea protection material again by PE set extrusion moldings process I, II; one or more among polyurea materials Extrusion Coating process II, III process, constituting the outer layer with multiple protective layer has the wire digging line of polyurea protection material.The wire digging line compact conformation with polyurea protection coating, anti-corrosion, damping, antiskid performance and the wearability produced with this method are good, long lifespan.

Description

The preparation method that a kind of outer layer has the wire digging line of polyurea protection material

Technical field

The present invention relates to a kind of preparation method of drag-line, particularly a kind of outer layer has the wire digging line of polyurea protection material Preparation method.

Background technology

Compressor wire drag-line is a kind of crucial stressed member in bridge structure, it is desirable to durable with higher anti-corrosion Property；Current prestressing force is with bridge wire digging line referring generally to standard GB/T/T 18365-2001《Cable-stayed bridge hot extruded polyethylene is high Strong wire digging line technical conditions》Manufactured.

The corrosion of compressor wire is the stress corrosion under stress and corrosion compound action（Belong to couple corrosion category）, its Feature is to be initially formed crackle in metal inside, and internal fissure just forms stress concentration after occurring, and accelerates the development of crackle, and then produce Heavy corrosion.The anti-corrosion plating of compressor wire（Apply）Layer steel are always on active service under conditions of corrosive medium, by the kind of protective layer Class, can be divided into on-metallic protective coating（Referred to as coating）, chemical coating and coat of metal（Referred to as coating）Three classes.1st, it is nonmetallic The nonmetallic coating of protective coating prestressing steel mainly has three kinds of plastics, epoxy resin and anti-corrosion grease at present, but nonmetallic The anti-aging problem of coating is not yet solved, and its mechanical property is much lower compared with the coat of metal.Therefore, application is restricted. 2nd, chemical coating forms protective layer, the passivation of such as zinc layers, the oxidation of aluminium lamination, the phosphorus of iron-based by chemical method in metal surface Change etc..Such protective layer be frequently not as single steel protective layer, but with the coat of metal annex use.3rd, metal coating Coating is in couple corrosion, and the metal in anode is dissolved first, is that this is plated with the metal active compared with iron in Steel Wire Surface, such as Zinc, aluminium etc..In the environment of corrosive medium, zinc is set to be dissolved first and protect iron-based, referred to as anode coating is protected.Due to zinc-plated （Or Zn-Al alloy）In the presence of " hydrogen embrittlement " phenomenon, the strength grade of steel wire is reduced, it is controversial always.Therefore compressor wire Anti-corrosion is, to the significant problem for closing science of bridge building quality life-span, must to strengthen truly feasible anti-corrosion with steel wire for prestressing force and arrange Apply, with the massive losses for reducing compressor wire to be failed in advance caused by corrosion and bringing.

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 wire digging line, make a kind of with polyurea protection material Wire digging line is the technical barrier that prestressing technique drag-line technical field people are badly in need of solving at present.

The content of the invention

There is the preparation method of the wire digging line of polyurea protection material it is an object of the invention to provide a kind of outer layer, produce A kind of outer layer has the wire digging line of polyurea protection material, and the wire digging line that the outer layer has polyurea protection material utilizes polyurea materials Excellent properties, can greatly improve anti-corrosion, damping, the antiskid performance of wire digging line, postpone drag-line service life, to solve existing skill The above mentioned problem that art is present.

To solve the above problems, the technical solution adopted by the present invention is：The steel wire that a kind of outer layer has polyurea protection material is drawn The preparation method of rope, described steel wire includes by pretreated bright steel wire or is attached with ring in the periphery of 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 Anti-corrosion steel wire：It is characterized in that：The preparation method that the outer layer has the wire digging line of polyurea protection material is by after pretreatment N roots bright steel wire or be attached with the periphery of bright steel wire epoxy coating, galvanizing coating, plastic coating, anti-corrosion grease apply The anti-corrosion steel wire of layer, the surface attachment coating of oiliness wax or the coat of metal or coating is molded by drying, into disk, sub-wire, coalescence Into after steel wire combination body, steel wire combination body is coated into process I by polyurea materials again：Make the outer weekly form of steel wire combination body wire digging line Polyurea coating is adhered in face；The outer layer for being formed in n root bright steel wire assemblys is coated with the outer layer of a strata urea protective coating and has poly- The a of wire digging line I of urea protective materials；Or it is coated with one layer of polyurea protection painting in the steel wire combination volume surrounding of n root anti-corrosion steel wires The outer layer of layer has a of wire digging line II of polyurea protection material；

Its key step includes：

A：Pretreatment is carried out to steel wire and makes qualified steel wire：Ordinary steel wire or high tensile steel wire are fabricated to after pretreatment Qualified steel wire, including bright steel wire or epoxy coating is attached with the periphery of bright steel wire, it is galvanizing coating, plastic coating, anti- The surface attachment coating of rotten grease coating, oiliness wax or the coat of metal or the anti-corrosion steel wire of coating；It is hereinafter referred to as pretreated Steel wire or steel wire；

B:Dry：Pretreated steel wire is thermally dried, surface moisture is removed；

C:Into disk：Qualified steel wire carries out constant speed traction through caterpillar tractor, is discharged into the streamline of wire digging line process In；

D:Sub-wire：Several are individually placed on several draw drums into the good steel wire of disk, steel wire is led on draw drum Draw and penetrate sub-wire frame, there is the hole corresponding to steel wire hexagonal array on sub-wire frame, be discharged into wire digging line process streamline In disk storage line；

E：Coalescence is molded into steel wire combination body：By the steel wire after sub-wire by multigroup shaped device steel wire coalescence into Type；Each shaped device is made up of 2 groups of 3 rolling wheels for being mutually 120o angles；By adjust each rolling wheel relative position and Thrust, it is that each steel wire is abutted against each other in regular hexagon, strand to make some steel wire strand integers；

F：Polyurea materials coat process I：By the steel wire combination body of wire digging line one of in the following manner：

1. Extrusion Coating：Steel wire combination body passes through 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 wire group On zoarium；

3. pumping painting is soaked：Steel wire combination body is immersed in carbamide paint by pulling equipment, by exporting ring-type after immersion Shaping structures；

4. machine painting way：Polyurea materials are made to be coated uniformly on steel wire combination body using machine brushing；

The steel wire combination outer circumferential surface of wire digging line is set to adhere to one layer of polyurea coating；It is formed in the combination of n roots bright steel wire The outer layer that the outer layer of body has polyurea protection material has a of wire digging line I of polyurea protection material；Or in the steel of n root anti-corrosion steel wires The outer layer that silk combination volume surrounding has polyurea protection material has a of wire digging line II of polyurea protection material；1≤n≤1500.

Its further technical scheme is：There to be the wire digging line I of polyurea protection material by the step A-F outer layers produced A, II a are again by the process that is wrapped, and be wrapped the one layer of band that is wrapped in the periphery of steel wire combination body, and constituting outer layer has polyurea protection material The a0 of wire digging line I, II a0.

Further：It will be wrapped one layer to be wrapped with the outer layer constituted in the periphery of steel wire combination body and have polyurea protection material The a0 of wire digging line I, II a0 pass through H again:Polyurea materials coat process II：I.e.：One of in the following manner：

1. Extrusion Coating：The a0 of wire digging line I, II a0 pass through the hot-extrudable polyurea materials of extrusion moulding type equipment；

2. spray：By equipment temperature-pressure, raw material is drawn after being mixed at nozzle by lance ejection polyurea materials to steel wire On the a0 of rope I, II a0；

3. pumping painting is soaked：The a0 of wire digging line I, II a0 are immersed in carbamide paint by pulling equipment, by going out after immersion Choma shape shaping structures；

4. machine painting way：Polyurea materials are made to be coated uniformly on the a0 of wire digging line I, II a0 using machine brushing；

The outer layer that making the outer layer of steel wire combination body has the band that is wrapped has the a0 of wire digging line I of polyurea protection material, II a0 peripheries Surface attachment polyurea coating II, constituting outer layer has the a0b of wire digging line I, II a0b of polyurea protection material.

Its again further technical scheme be：The outer layer that above-mentioned each scheme is produced has the steel wire of polyurea protection material Drag-line passes through I1 again:PE covers extrusion molding process I or passes sequentially through I1:PE set extrusion moldings process I and I2:PE set extrusion moldings process II； The wire digging line that outer layer has the outer layer being made up of HDPE sheaths to have polyurea protection material is fabricated to, or by internal layer HDPE sheaths The outer layer constituted with the double-deck HDPE sheaths that outer layer HDPE sheaths are constituted has the wire digging line of polyurea protection material, including：

1. a of wire digging line I or outer layer that outer layer has polyurea protection material are had to a of wire digging line II of polyurea protection material Pass through I1 again:PE covers extrusion molding process I or passes sequentially through I1:PE set extrusion moldings process I and I2:PE set extrusion moldings process II；Make There is the outer layer being made up of HDPE sheaths to have the a1 of wire digging line I, II a1 of polyurea protection material or have by internal layer HDPE into outer layer The outer layer that the double-deck HDPE sheaths of sheath and outer layer HDPE sheaths composition are constituted has the a2 of wire digging line I of polyurea protection material, II a2。

2. the a0 of wire digging line I, II a0 that outer layer has polyurea protection material are passed through into I1 again:PE sets extrusion molding process I or according to It is secondary to pass through I1:PE set extrusion moldings process I and I2:PE set extrusion moldings process II；Being fabricated to outer layer has what is be made up of individual layer HDPE sheaths Outer layer has the a01 of wire digging line I, II a01 of polyurea protection material or the outer layer for having double-deck HDPE sheaths to constitute to have polyurea protection The a02 of wire digging line I, II a02 of material.

3. the a0b of wire digging line I, II a0b that outer layer has polyurea protection material pass through I1 again:PE sets extrusion molding process I or according to It is secondary to pass through I1:PE set extrusion moldings process I and I2:PE set extrusion moldings process II；Being fabricated to outer layer has what is be made up of individual layer HDPE sheaths Outer layer has the a0b1 of wire digging line I, II a0b1 of polyurea protection material or has the outer layer being made up of double-deck HDPE sheaths to have polyureas The a0b2 of wire digging line I, II a0b2 of protective materials.

Further technical scheme is again for it：Its above-mentioned outer layer that further technical scheme makes again there is into individual layer The outer layer that HDPE sheaths are constituted has the wire digging line of polyurea protection material, or the outer layer for having double-deck HDPE sheaths to constitute has polyureas Each wire digging line of protective materials passes through J again:Polyurea materials coat process III, and polyurea materials polyurea materials are coated in into drag-line The outer layer of individual layer HDPE sheaths or the outer layer HDPE sheath outer layers with double-deck HDPE sheaths, are formed in individual layer HDPE sheath outer layers Or the outer layer HDPE sheaths outer layer of bilayer HDPE sheaths coats a strata urea protective coating III, the outer layer with multiple protective structure There is the wire digging line of polyurea protection material.

Including：

1. the steel wire that the a1 of wire digging line I, II a1 or outer layer that outer layer has polyurea protection material have polyurea protection material is drawn The a2 of rope I, II a2 pass through J again:Polyurea materials Extrusion Coating process III：J:Polyurea materials coat process III：I.e. by with lower section One of formula：

1. Extrusion Coating：The a1 of wire digging line I, II a1, I a2 or II a2 are passed through into the hot-extrudable polyureas material of extrusion moulding type equipment Material；

2. spray：By equipment temperature-pressure, raw material is drawn after being mixed at nozzle by lance ejection polyurea materials to steel wire On the a1 of rope I, II a1, I a2 or II a2；

3. pumping painting is soaked：The a1 of wire digging line I, II a1, I a2 or II a2 are immersed in carbamide paint by pulling equipment, leaching By exporting ring-type shaping structures after bubble；

4. machine painting way：Using machine brushing make polyurea materials be coated uniformly on the a1 of wire digging line I, II a1, I a2 or On II a2；

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 wire digging line I, II a1c, I a2c or II a2c of polyurea protection material.

2. the a01 of wire digging line I, II a01 or outer layer that outer layer has polyurea protection material are had to the steel wire of polyurea protection material The a02 of drag-line I, II a02 pass through J again:Polyurea materials coat process III：I.e. one of in the following manner：

1. Extrusion Coating：The a01 of wire digging line I, II a01, I a02 or II a02 are passed through into the hot-extrudable polyureas of extrusion moulding type equipment Material；

2. spray：By equipment temperature-pressure, raw material is drawn after being mixed at nozzle by lance ejection polyurea materials to steel wire On the a01 of rope I, II a01, I a02 or II a02；

3. pumping painting is soaked：The a01 of wire digging line I, II a01, I a02 or II a02 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 a01 of wire digging line I, II a01, I using machine brushing On a02 or II a02；

By polyurea materials be coated in the outer layer of drag-line individual layer HDPE sheaths or with double-deck HDPE sheaths outer layer HDPE shield Outer layer is covered, being formed in outermost layer and being coated with the outer layer of polyurea protection coating III has the a01c of wire digging line I of polyurea protection material, II A01c, I a02c or II a02c.

3. the a0b1 of wire digging line I, II a0b1 or outer layer that outer layer has polyurea protection material are had to the steel of polyurea protection material Silk drag-line I a0b2, II a0b2 pass through J again:Polyurea materials coat process III, i.e., one of in the following manner：

1. Extrusion Coating：The a0b1 of wire digging line I, II a0b1, I a0b2 or II a0b2 is hot-extrudable by extrusion moulding type equipment Polyurea materials；

2. spray：By equipment temperature-pressure, raw material is drawn after being mixed at nozzle by lance ejection polyurea materials to steel wire On the a0b1 of rope I, II a0b1, I a0b2 or II a0b2；

3. pumping painting is soaked：The a0b1 of wire digging line I, II a0b1, I a0b2 or II a0b2 are immersed in polyureas by pulling equipment and applied In material, by exporting ring-type shaping structures after immersion；

4. machine painting way：Polyurea materials are made to be coated uniformly on the a0b1 of wire digging line I, II a0b1, I using machine brushing On a0b2 or II a0b2；

By polyurea materials be coated in the outer layer of drag-line individual layer HDPE sheaths or with double-deck HDPE sheaths outer layer HDPE shield Cover outer layer, be formed in outermost layer be coated with polyurea protection coating III outer layer have polyurea protection material the a0b1c of wire digging line I, II a0b1c, I a0b2c or II a0b2c.

A kind of outer layer of the present invention has in the preparation method of the wire digging line of polyurea protection material, and described polyurea materials are Pure polyurea materials or half polyurea materials.

Due to taking above technical scheme, a kind of outer layer of the present invention has the making side of the wire digging line of polyurea protection material How method is applied to polyurea materials in the protection of wire digging line if being solved, make the skill of the wire digging line with polyurea protection coating Art problem, the wire digging line that the outer layer produced has polyurea protection material has the characteristics that and beneficial effect, with good Economic benefit.

1. the anti-corrosion of wire digging line, damping, antiskid performance can be greatly improved, postpone drag-line service life：

Due to the present invention produce the outer layer wire digging line that has polyurea protection material be the steel that is made up of many steel wires Silk assembly, the single bright steel wire of described steel wire or be attached with the periphery of single bright steel wire epoxy coating, plating Spelter coating, plastic coating, anti-corrosion grease coating, the surface attachment coating or the anti-corrosion steel wire of coating of oiliness wax or the coat of metal, It is coated with a strata urea protective coating I in the outermost layer of steel wire combination body, and the steel wire that constituting outer layer has polyurea protection material is drawn The a of rope I or II a, has one to be wrapped band in a of wire digging line I or II a outermost layer, and the steel wire that constituting outer layer has polyurea protection material is drawn The a0 of rope I, II a0；Polyurea protection coating II is coated with the a0 of wire digging line I, the II a0 band that is wrapped outer layer, constituting outer layer has poly- The a0b of wire digging line I, II a0b of urea protective materials；Above-mentioned various wire digging lines outer layer or have individual layer or bilayer HDPE shield Set, or it is also coated with a strata urea protective coating III and constitutes that there is multiple protective in the outer layer of individual layer or bilayer HDPE sheaths Outer layer has the wire digging line of polyurea protection material；Because polyurea materials have excellent wearability, impact resistance and damping property, apply The Steel Wire Surface of wire digging line matrix is overlying on, its coating is continuous, fine and close, seamless can be accomplished, pin-free, in isolation air The infiltration of moisture content and oxygen, epoxy coating, plastic coating or the anti-corrosion grease that steel wire and Steel Wire Surface can be protected to be attached with is applied Layer is non-aging, can slow down galvanizing coating and easily be lost, easily influenceed by local defects such as pin holes, greatly improve such wire digging line Antiseptic power, and increase its anti-wear performance, extend the service life of wire digging line；Polyurea materials have excellent anti-tensile simultaneously The characteristic such as intensity, ageing-resistant, wear-resistant, can reduce the damage caused by constructing operation is improper in the manufacturing and installation process, Cracking, obscission are not likely to produce, the antiseptic power of wire digging line is greatly improved, increases the service life.

2. frictional force is big between compact conformation, steel wire, strengthen its antiskid performance, fatigue resistance is improved：

The steel wire outmost surface that the outer layer of the present invention has the wire digging line of polyurea protection material is coated with polyurea materials, by There is the physical property of high abrasion in polyurea materials, therefore, polyurea coating need not be very thick, when they are constituted into presstressed reinforcing steel, respectively Compact conformation, it can strengthen steel in regular hexagon or the arrangement of unfilled corner Hexagonal close or other forms arrangement between root steel wire The frictional force of silk drag-line, strengthens its antiskid performance；It is more beneficial in bridge cable under operating mode of the Sarasota both sides by out-of-balance force Use.

3. the inventive method can improve the performance of existing coating or coating wire, thus also greatly improve the anti-of wire digging line Rotten ability, and increase its wearability, extend the service life of wire digging line.

4. preparation method rationally, is solved and how polyurea materials is applied in the protection of wire digging line, a kind of band is made The technical barrier of the wire digging line of 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 wire is smaller, brushes easily to produce by hand and brushes uneven uniform and sagging phenomenon, and conventional equipment spray Automatic doubler surface glouer is larger, and projected area is larger, wastes larger to spraying individual wire polyurea materials, more than 90% waste of material falls.Due to The film forming speed of polyureas is very fast, if manual operations is improper, spraying grasp it is inaccurate wait then easily cause coating became uneven, it is apparent The problems such as out-of-flatness, big aberration.If construction experience lacks, selection base treatment agent is improper, when basic unit is not up to construction requirement, pole Easily cause polyurea coating foaming, pinprick, layering, bond the phenomenon such as loosely.Painting way not foot phenomenon more than, the present invention Method by polyurea materials by extrude or spray coated form coat specific method be：By wire digging line in the following manner One of：

1. Extrusion Coating：Steel wire and wire digging line are passed through into the hot-extrudable polyurea materials of extrusion moulding type equipment respectively；By squeezing Modeling formula equipment is heated the polyurea materials particle matched, polyurea materials is filled under extrusion moulding type equipment molten condition Divide reaction, wire digging line is passed through into the hot-extrudable polyurea materials of extrusion moulding type equipment；

2. spray：By equipment temperature-pressure, raw material is drawn after being mixed at nozzle by lance ejection polyurea materials to steel wire Suo Shang；Emitted dose is controlled by machine nozzle, Steel Wire Surface is uniformly extruded onto, polyureas thick layer can be effectively controlled, can root The spraying equipment of ring-like or small hole nozzle is researched and developed in the characteristics of according to steel wire small volume, special design, on the production line of streamline Even application reduces the waste rate of material in Steel Wire Surface；

3. pumping painting is soaked：Wire digging line is immersed in carbamide paint by pulling equipment, by exporting ring-type after immersion Shaping structures；Steel wire and wire digging line are immersed in carbamide paint by pulling equipment drag-line, made after its immersion by outlet Cyclic structure is molded, and can be coated uniformly on wire digging line；

4. machine painting way：Polyurea materials are brushed on wire digging line by machine；Automated and applied using machinery equipment Brush function makes polyurea materials be coated uniformly on steel wire and wire digging line.

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 polyureas without the spraying method occurred, the change of spraying method to the steel wire of small volume Thickness, and prevent the waste of material.

Below, there is the technology of the wire digging line of polyurea protection material to a kind of outer layer of the present invention in conjunction with the accompanying drawings and embodiments Feature is further described.

Brief description of the drawings

Fig. 1-1~Fig. 1-10 is the structural representation that the outer layer of the embodiment of the present invention one has the wire digging line of polyurea protection material Figure：

Fig. 1-1：The outer layer being made up of bright steel wire has a of wire digging line I of polyurea protection material；

Fig. 1-2：The outer layer constituted with anti-corrosion steel wire has a of wire digging line II of polyurea protection material；

Fig. 1-3~Fig. 1-4：The outer layer that the outer layer of steel wire combination body has an individual layer HDPE sheaths to constitute has polyurea protection material The a1 of wire digging line I, II a1；

Fig. 1-5~Fig. 1-6：The outer layer that the outer layer of steel wire combination body has double-layer polyethylene sheath to constitute has polyurea protection material The a2 of wire digging line I, II a2；

Fig. 1-7~Fig. 1-8：The outer layer of a strata urea protective coating III composition is coated with outside individual layer HDPE sheaths has polyureas to prevent The a1c of wire digging line I, II a1c of protective material；

Fig. 1-9~Fig. 1-10：The outer layer HDPE sheath outer layers of double-deck HDPE sets are also coated with a strata urea protective coating III The outer layer of composition has the a2c of wire digging line I, II a2c of polyurea protection material.

Fig. 2-1~Fig. 2-10 is that the outer layer outer layer that has the band that is wrapped of the steel wire combination body of the embodiment of the present invention two has polyureas to prevent The structural representation of the wire digging line of protective material：

Fig. 2-1~Fig. 2-2：The outer layer that outer layer has the band that is wrapped has the a0 of wire digging line I of polyurea protection material, II a0 structure Schematic diagram；

Fig. 2-3~Fig. 2-4：The outer layer that the a0 of wire digging line I, II a0 outer layers have an individual layer HDPE sheaths to constitute has polyureas to prevent The a01 of wire digging line I, the II a01 structural representation of protective material；

Fig. 2-5~Fig. 2-6：The outer layer that the a0 of wire digging line I, II a0 outer layers have double-layer polyethylene sheath to constitute has polyurea protection The a02 of wire digging line I, the II a02 structural representation of material；

Fig. 2-7~Fig. 2-8：The outer layer of a strata urea protective coating III composition is coated with outside individual layer HDPE sheaths has polyureas to prevent The a01c of wire digging line I, the II a01c structural representation of protective material；

Fig. 2-9~Fig. 2-10：The outer layer HDPE sheath outer layers of double-deck HDPE sets are also coated with a strata urea protective coating III The outer layer of composition has the a02c of wire digging line I, the II a02c structural representation of polyurea protection material；

Fig. 3-1~Fig. 3-10 is the structural representation that the outer layer of the embodiment of the present invention three has the wire digging line of polyurea protection material Figure：

Fig. 3-1~Fig. 3-2：The a0 of wire digging line I, II the a0 outer layer for being coated with the b of polyurea protection coating II with outer layer that is wrapped have The a0b of wire digging line I, the II a0b structural representation of polyurea protection material；

Fig. 3-3~Fig. 3-4：The outer layer that the a0b of wire digging line I, II a0b outer layers have an individual layer HDPE sheaths to constitute has polyureas to prevent The a0b1 of wire digging line I, II a0b 1 structural representation of protective material；

Fig. 3-5~Fig. 3-6：The outer layer that the a0b of wire digging line I, II a0b outer layers have double-layer polyethylene sheath to constitute has polyureas to prevent The a0b2 of wire digging line I, II a0b 2 structural representation of protective material；

Fig. 3-7~Fig. 3-8：The outer layer of a strata urea protective coating III composition is coated with outside individual layer HDPE sheaths has polyureas to prevent The a0b1c of wire digging line I, the II a0b 1c structural representation of protective material；

Fig. 3-9~Fig. 3-10：The outer layer HDPE sheath outer layers of double-deck HDPE sets are also coated with a strata urea protective coating III The outer layer of composition has the a0b2c of wire digging line I of polyurea protection material, II a0b 2c structural representation.

In figure：

The single bright steel wires of 1-；2- surface attachments coating or coating；5- is wrapped band；6- internal layer HDPE sheaths；7- outer layers HDPE sheaths；

31a- polyurea protections coating I；31b- polyurea protections coating II；31c- polyurea protections coating III；

81a- outer layers have a of wire digging line I of polyurea protection material；

82a- outer layers have a of wire digging line II of polyurea protection material；

81a1- outer layers have the a1 of wire digging line I of polyurea protection material；

82a1- outer layers have the a1 of wire digging line II of polyurea protection material;

81a2- outer layers have the a2 of wire digging line I of polyurea protection material；

82a2- outer layers have the a2 of wire digging line II of polyurea protection material；

81a1c- outer layers have the a1c of wire digging line I of polyurea protection material；

82a1c-outer layer has the a1c of wire digging line II of polyurea protection material；

81a2c- outer layers have the a2c of wire digging line I of polyurea protection material；

82a2c-outer layer has the a2c of wire digging line II of polyurea protection material.

81a0- outer layers have the a0 of wire digging line I of polyurea protection material；

82a0- outer layers have the a0 of wire digging line II of polyurea protection material；

81a01- outer layers have the a01 of wire digging line I of polyurea protection material；

82a01- outer layers have the a01 of wire digging line II of polyurea protection material；

81a02- outer layers have the a02 of wire digging line I of polyurea protection material；

82a02- outer layers have the a02 of wire digging line II of polyurea protection material；

81a01c- outer layers have the a01c of wire digging line I of polyurea protection material；

82a01c-outer layer has the a01c of wire digging line II of polyurea protection material；

81a02c- outer layers have the a02c of wire digging line I of polyurea protection material；

82a02c-outer layer has the a02c of wire digging line II of polyurea protection material.

81a0b- outer layers have the a0b of wire digging line I of polyurea protection material；

82a0b-outer layer has the a0b of wire digging line II of polyurea protection material；

81a0b1- outer layers have the a0b1 of wire digging line I of polyurea protection material；

82a0b1-outer layer has the a0b1 of wire digging line II of polyurea protection material；

81a0b2- outer layers have the a0b2 of wire digging line I of polyurea protection material；

82a0b2-outer layer has the a0b2 of wire digging line II of polyurea protection material；

81a0b1c- outer layers have the a0b1c of wire digging line I of polyurea protection material；

82a0b1c-outer layer has the a0b1c of wire digging line II of polyurea protection material；

81a0b2c- outer layers have the a0b2c of wire digging line I of polyurea protection material；

82a0b2c-outer layer has the a0b2c of wire digging line II of polyurea protection material.

Embodiment

The preparation method that a kind of outer layer of the present invention has the wire digging line of polyurea protection material, described steel wire includes passing through Pretreated bright steel wire or it is attached with epoxy coating, galvanizing coating, plastic coating, anti-corrosion in the periphery of bright steel wire 1 The surface attachment coating of grease coating, oiliness wax or the coat of metal or the anti-corrosion steel wire of coating 2；The key step of its preparation method Including：

A：Pretreatment is carried out to steel wire and makes qualified steel wire：Ordinary steel wire or high tensile steel wire are fabricated to after pretreatment Qualified steel wire, including bright steel wire or epoxy coating is attached with the periphery of bright steel wire 1, it is galvanizing coating, plastic coating, anti- The surface attachment coating of rotten grease coating, oiliness wax or the coat of metal or the anti-corrosion steel wire of coating 2；It is hereinafter referred to as pretreated Qualified steel wire or steel wire；

B:Dry：Pretreated steel wire is thermally dried, surface moisture is removed；

C:Into disk：Qualified steel wire carries out constant speed traction through caterpillar tractor, is discharged into the streamline of wire digging line process In；

D:Sub-wire：Several are individually placed on several draw drums into the good steel wire of disk, steel wire is led on draw drum Draw and penetrate sub-wire frame, there is the hole corresponding to steel wire hexagonal array on sub-wire frame, be discharged into wire digging line process streamline In disk storage line；

E：Coalescence is molded into steel wire combination body：By the steel wire after sub-wire by multigroup shaped device steel wire coalescence into Type；Each shaped device is made up of 2 groups of 3 rolling wheels for being mutually 120o angles；By adjust each rolling wheel relative position and Thrust, it is that each steel wire is abutted against each other in regular hexagon, strand to make some steel wire strand integers；

F：Polyurea materials coat process I：By the steel wire combination body of wire digging line one of in the following manner：

1. Extrusion Coating：Steel wire combination body passes through 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 wire group On zoarium；

3. pumping painting is soaked：Steel wire combination body is immersed in carbamide paint by pulling equipment, by exporting ring-type after immersion Shaping structures；

4. machine painting way：Polyurea materials are made to be coated uniformly on steel wire combination body using machine brushing；

The steel wire combination outer circumferential surface of wire digging line is set to adhere to one layer of polyurea coating；

G：It is wrapped：It is wrapped with sizing binder；Further to improve tensile strength, elongation percentage and the elasticity of wire digging line Recovery rate, it is ensured that strand is in disk, transport and work progress is wrapped, and binding strap is not likely to produce fracture damage；

H：Polyurea materials coat process II：By the steel wire combination body of the wire digging line with the band that is wrapped in the following manner One of：

1. Extrusion Coating：Steel wire combination body with the band that is wrapped passes through 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 wire group On zoarium；

3. pumping painting is soaked：Steel wire combination body with the band that is wrapped is immersed in carbamide paint by pulling equipment, after immersion By exporting ring-type shaping structures；

4. machine painting way：Polyurea materials are made to be coated uniformly on the steel wire combination body with the band that is wrapped using machine brushing On；

I1:PE set extrusion moldings process I：By extruding machine by high-density polyethylene plastics extrusion molding in hawser volume surrounding, formed Monolayer polyethylene sheath；

I2:PE set extrusion moldings process II：High-density polyethylene plastics extrusion molding there are into individual layer HDPE shields in outer layer by extruding machine The wire digging line cable body outer layer with polyurea protection coating of set, forms outer layer HDPE sheaths, and constituting has inside and outside two layers of HDPE shields The wire digging line with polyurea protection coating of set；

J:Polyurea materials coat process III：By the wire digging line with HDPE sheaths one of in the following manner：

1. Extrusion Coating：Wire digging line with HDPE sheaths passes through the hot-extrudable polyurea materials of extrusion moulding type equipment；

2. spray：By equipment temperature-pressure, raw material mix at the nozzle after by lance ejection polyurea materials to carrying The wire digging line of HDPE sheaths；

3. pumping painting is soaked：Wire digging line with HDPE sheaths is immersed in carbamide paint by pulling equipment, after immersion By exporting ring-type shaping structures；

4. machine painting way：Polyurea materials are made to be coated uniformly on the wire digging line with HDPE sheaths using machine brushing On；Outer layer in drag-line individual layer HDPE sheaths or the outer layer HDPE sheath outer layers with double-deck HDPE sheaths, are formed in individual layer The outer layer HDPE sheath outer layers of HDPE sheaths outer layer or bilayer HDPE sheaths are coated with the band polyurea protection of polyurea protection coating III The wire digging line of coating.

A：The step of being pre-processed to steel wire is as follows（Exemplified by making anti-corrosion steel wire）：

A1:Close inspection is carried out to steel wire, and its outer surface should not have the pollutants such as oil, fat, paint, pass through draw drum pair Steel wire is explained the deep bid；

A2:Surface treatment：Individual wire surface is handled using phosphoric acid and ultrasonic wave, the oil of Steel Wire Surface is removed Dirt, dust, rusty stain, and in individual wire Surface Creation one layer do not allow perishable grey phosphating coat uniformly；

A3:Dry：Steel wire is thermally dried, surface moisture is removed；

A4:Coating：By paint particles absorption in Steel Wire Surface so that Steel Wire Surface attachment epoxy coating, galvanizing coating, Plastic coating, the coat of metal, the surface attachment coating or coating of anti-corrosion grease coating or oiliness wax；

A5:Solidification：Individual wire after coating, by surface consolidation process, densification is independently formed on individual wire surface Coating diaphragm；

Be made by the pretreated periphery in bright steel wire 1 be attached with epoxy coating, galvanizing coating, plastic coating, The surface attachment coating of anti-corrosion grease coating, oiliness wax or the coat of metal or the anti-corrosion steel wire of coating 2；

For common bright steel wire, the step of A1, A2 two is only needed, the method pre-processed to steel wire is known Technology, step can also increase and decrease, and here is omitted.

In actual implementation process, after at least A~F-step is completed, difference is needed according to construction, can be using above-mentioned follow-up G, H, I, J whole processes, indivedual processes therein can also be selected, be fabricated to different structure has multiple protective layer Outer layer has the wire digging line of polyurea protection material；Several conventional preparation methods introduced below.

Embodiment one：

The outer layer that a kind of outermost layer in steel wire combination body is coated with a strata urea protective coating I composition has polyurea protection material The preparation method of the wire digging line of material：

Described steel wire includes by pretreated bright steel wire or epoxy painting is attached with the periphery of bright steel wire 1 Layer, galvanizing coating, plastic coating, anti-corrosion grease coating, the surface attachment coating or the anti-corrosion of coating 2 of oiliness wax or the coat of metal Steel wire：

The present embodiment has polyureas to prevent in the outer layer that the outermost layer of steel wire combination body is coated with a strata urea protective coating I composition The preparation method of the wire digging line of protective material is will to pass through pretreated 19 bright steel wires or the periphery in bright steel wire 1 It is attached with the surface attachment coating of epoxy coating, galvanizing coating, plastic coating, anti-corrosion grease coating, oiliness wax or the coat of metal Or the anti-corrosion steel wire of coating 2 is after drying, being molded into steel wire combination body into disk, sub-wire, coalescence, then pass through F：By steel wire combination Body coats process I by polyurea materials again, steel wire combination body wire digging line outer surface is adhered to polyurea coating；It is formed in 19 The a of wire digging line I that the outer layer that the outer layer of bright steel wire assembly is coated with a strata urea protective coating has polyurea protection material (joins See Fig. 1-1）；Or be coated with the outer layer of a strata urea protective coating in the steel wire combination body outermost layer of 19 anti-corrosion steel wires and have poly- The a of wire digging line II of urea protective materials is (referring to Fig. 1-2）；Described polyurea protection coating is pure polyurea materials or half polyurea materials The polyurea protection coating of making.

Its key step includes：

A：Pretreatment is carried out to steel wire and makes qualified steel wire：Ordinary steel wire or high tensile steel wire are fabricated to after pretreatment Qualified steel wire, including bright steel wire or epoxy coating is attached with the periphery of bright steel wire 1, it is galvanizing coating, plastic coating, anti- The surface attachment coating of rotten grease coating, oiliness wax or the coat of metal or the anti-corrosion steel wire of coating 2；It is hereinafter referred to as pretreated Qualified steel wire or steel wire；

B:Dry：Pretreated steel wire is thermally dried, surface moisture is removed；

C:Into disk：Qualified steel wire carries out constant speed traction through caterpillar tractor, is discharged into the streamline of wire digging line process In；

D:Sub-wire：Several are individually placed on several draw drums into the good steel wire of disk, steel wire is led on draw drum Draw and penetrate sub-wire frame, there is the hole corresponding to steel wire hexagonal array on sub-wire frame, be discharged into wire digging line process streamline In disk storage line；

E：Coalescence is molded into steel wire combination body：By the steel wire after sub-wire by multigroup shaped device steel wire coalescence into Type；Each shaped device is made up of 2 groups of 3 rolling wheels for being mutually 120o angles；By adjust each rolling wheel relative position and Thrust, it is that each steel wire is abutted against each other in regular hexagon, strand to make some steel wire strand integers；

F：Polyurea materials coat process I：By the steel wire combination body of wire digging line one of in the following manner：

1. Extrusion Coating：Steel wire combination body passes through 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 wire group On zoarium；

3. pumping painting is soaked：Steel wire combination body is immersed in carbamide paint by pulling equipment, by exporting ring-type after immersion Shaping structures；

4. machine painting way：Polyurea materials are made to be coated uniformly on steel wire combination body using machine brushing；

The steel wire combination outer circumferential surface of wire digging line is set to adhere to one layer of polyurea coating；It is formed in bright steel wire assembly The outer layer that outer layer has polyurea protection material has a of wire digging line I of polyurea protection material；Or in the steel wire combination body of anti-corrosion steel wire The outer layer that outer layer has polyurea protection material has a of wire digging line II of polyurea protection material.

As one kind conversion of the embodiment of the present invention, constituting outer layer has the bright steel wire of wire digging line of polyurea protection material The 1 or radical n of anti-corrosion steel wire that has coating or coating 2 in bright steel wire surface attachment can increase add deduct according to actual needs Few, at least 1, more than comparison is 7-685 roots, and the span of general n is：1≤n≤1500, the embodiment of the present invention It is 19 in figure.

As another conversion of the embodiment of the present invention, there will be the steel of polyurea protection material by the A-F outer layers produced Silk drag-line I a, II a pass through I1 again:PE covers extrusion molding process I or passes sequentially through I1:PE set extrusion moldings process I and I2:PE sets are squeezed Mould process II；It is fabricated to the a1 of wire digging line I, II a1 that outer layer has the outer layer being made up of HDPE sheaths 6 to have polyurea protection material（Ginseng See Fig. 1-3~Fig. 1-4）Or be made up of the double-deck HDPE sheaths being made up of internal layer HDPE sheaths 6 and outer layer HDPE sheaths 7 Outer layer has the a2 of wire digging line I, II a2 of polyurea protection material（Referring to Fig. 1-5~Fig. 1-6）.

As the embodiment of the present invention another conversion, by outer layer have polyurea protection material the a1 of wire digging line I, II a1 or The a2 of wire digging line I, II a2 that outer layer has polyurea protection material pass through J again:Polyurea materials coat process III：I.e. by with lower section One of formula：

1. Extrusion Coating：The a1 of wire digging line I, II a1, I a2 or II a2 are passed through into the hot-extrudable polyureas material of extrusion moulding type equipment Material；

2. spray：By equipment temperature-pressure, raw material is drawn after being mixed at nozzle by lance ejection polyurea materials to steel wire On the a1 of rope I, II a1, I a2 or II a2；

3. pumping painting is soaked：The a1 of wire digging line I, II a1, I a2 or II a2 are immersed in carbamide paint by pulling equipment, leaching By exporting ring-type shaping structures after bubble；

4. machine painting way：Using machine brushing make polyurea materials be coated uniformly on the a1 of wire digging line I, II a1, I a2 or On II a2；

By polyurea materials be coated in the outer layer of drag-line individual layer HDPE sheaths or with double-deck HDPE sheaths outer layer HDPE shield Outer layer is covered, outermost layer is formed in and is coated with the a1c of wire digging line I for being coated with polyurea protection material of polyurea protection coating III, II a1c（Referring to Fig. 1-7~Fig. 1-8）And outer layer has the a2c of wire digging line I, II a2c of polyurea protection material（Referring to Fig. 1-9~figure 1-10）.

Embodiment two：

The preparation method that the outer layer for having the band that is wrapped in the outer layer of steel wire combination body has the wire digging line of polyurea protection material：

This method is that the outer layer for making embodiment one has a of wire digging line I, II a of polyurea protection material again by G：Twine Undertake to perform work within a time limit and according to specifications sequence, be wrapped one layer the band 5 that is wrapped in the periphery of steel wire combination body, constitute outer layer have polyurea protection material the a0 of wire digging line I, Ⅱa0（Referring to Fig. 2-1, Fig. 2-2）；

As one kind conversion of the embodiment of the present invention, A-F will be passed through, the outer layer that G processes are produced has polyurea protection material The a0 of wire digging line I, II a0 again pass through I1:PE covers extrusion molding process I or passes sequentially through I1:PE set extrusion moldings process I and I2: PE set extrusion moldings process II；The band outer layer that is wrapped that being fabricated to outer layer has the a0 of wire digging line I of polyurea protection material, II a0 has by HDPE The outer layer that the monolayer polyethylene sheath 6 that sheath 6 is constituted is constituted has the a01 of wire digging line I, II a01 of polyurea protection material（Referring to figure 2-3~Fig. 2-4）Or the outer layer being made up of the double-deck HDPE sheaths being made up of internal layer HDPE sheaths 6 and outer layer HDPE sheaths 7 There are the a02 of wire digging line I, II a02 of polyurea protection material（Referring to Fig. 2-5~Fig. 2-6）.

As another conversion of the embodiment of the present invention, the outer layer with individual layer HDPE sheaths 6 there is into polyurea protection material The a01 of wire digging line I, II a01 or outer layer with double-deck HDPE sheaths have the a02 of wire digging line I of polyurea protection material, II A02 passes through J again:Polyurea materials coat process III：I.e. one of in the following manner：

1. Extrusion Coating：The a01 of wire digging line I, II a01, I a02 or II a02 are passed through into the hot-extrudable polyureas of extrusion moulding type equipment Material；

2. spray：By equipment temperature-pressure, raw material is drawn after being mixed at nozzle by lance ejection polyurea materials to steel wire On the a01 of rope I, II a01, I a02 or II a02；

3. pumping painting is soaked：The a01 of wire digging line I, II a01, I a02 or II a02 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 a01 of wire digging line I, II a01, I using machine brushing On a02 or II a02；

By polyurea materials be coated in the outer layer of drag-line individual layer HDPE sheaths or with double-deck HDPE sheaths outer layer HDPE shield Cover outer layer, be formed in individual layer HDPE sheath outer layers be also coated with the 31c of a strata urea protective coating III composition outer layer have polyureas prevent The a01c of wire digging line I, II a01c of protective material（Referring to Fig. 2-7~Fig. 2-8）Or the outer layer HDPE sheaths of bilayer HDPE sheaths The outer layer that outer layer is coated with the 31c of polyurea protection coating III has the a02c of wire digging line I, II a02c of polyurea protection material（Referring to figure 2-9~Fig. 2-10）.

Embodiment three：The outer layer that the outer layer of the band that is wrapped of wire digging line is coated with polyurea protection coating II has polyurea protection material The preparation method of the wire digging line of material：

As shown in Fig. 3-1~Fig. 3-2, the periphery in steel wire combination body that embodiment two is produced is wrapped the one layer of band that is wrapped The a0 of wire digging line I, II a0 that 5 outer layers constituted have polyurea protection material pass through H again：Polyurea materials coat process II, i.e.,：Pass through One of in the following manner：

1. Extrusion Coating：The a0 of wire digging line I, II a0 pass through the hot-extrudable polyurea materials of extrusion moulding type equipment；

2. spray：By equipment temperature-pressure, raw material is drawn after being mixed at nozzle by lance ejection polyurea materials to steel wire On the a0 of rope I, II a0；

3. pumping painting is soaked：The a0 of wire digging line I, II a0 are immersed in carbamide paint by pulling equipment, by going out after immersion Choma shape shaping structures；

4. machine painting way：Polyurea materials are made to be coated uniformly on the a0 of wire digging line I, II a0 using machine brushing；

The outer layer that making the outer layer of steel wire combination body has the band that is wrapped has the a0 of wire digging line I of polyurea protection material, II a0 peripheries The 31b of surface attachment polyurea coating II, constituting outer layer has the a0b of wire digging line I, II a0b of polyurea protection material.

As one kind conversion of the embodiment of the present invention, A-F will be passed through, the outer layer that G-H processes are produced has polyurea protection material The a0 of wire digging line I, II a0 of material pass through I1 again:PE covers extrusion molding process I or passes sequentially through I1:PE set extrusion moldings process I and I2: PE set extrusion moldings process II；Be fabricated to outer layer have the a0b of wire digging line I of polyurea protection material, II a0b be wrapped band outer layer have by The outer layer that the monolayer polyethylene sheath 6 that HDPE sheaths 6 are constituted is constituted has the a0b1 of wire digging line I, II a0b1 of polyurea protection material （Referring to Fig. 3-3~Fig. 3-4）Or be made up of the double-deck HDPE sheaths being made up of internal layer HDPE sheaths 6 and outer layer HDPE sheaths 7 Outer layer have the a0b2 of wire digging line I of polyurea protection material, II a0b 2（Referring to Fig. 3-5~Fig. 3-6）.

As another conversion of the embodiment of the present invention, the outer layer with individual layer HDPE sheaths 6 there is into polyurea protection material The a0b1 of wire digging line I, II a0b1 or outer layer with double-deck HDPE sheaths have polyurea protection material the a0b2 of wire digging line I, II a0b2 passes through J again:Polyurea materials coat process III：I.e. one of in the following manner：

1. Extrusion Coating：The a0b1 of wire digging line I, II a0b1, I a0b2 or II a0b2 is hot-extrudable by extrusion moulding type equipment Polyurea materials；

2. spray：By equipment temperature-pressure, raw material is drawn after being mixed at nozzle by lance ejection polyurea materials to steel wire On the a0b1 of rope I, II a0b1, I a0b2 or II a0b2；

3. pumping painting is soaked：The a0b1 of wire digging line I, II a0b1, I a0b2 or II a0b2 are immersed in polyureas by pulling equipment and applied In material, by exporting ring-type shaping structures after immersion；

4. machine painting way：Polyurea materials are made to be coated uniformly on the a0b1 of wire digging line I, II a0b1, I using machine brushing On a0b2 or II a0b2；

By polyurea materials be coated in the outer layer of drag-line individual layer HDPE sheaths or with double-deck HDPE sheaths outer layer HDPE shield Cover outer layer, be formed in individual layer HDPE sheath outer layers be also coated with the 31c of a strata urea protective coating III composition outer layer have polyureas prevent The a0b1c of wire digging line I, II a0b1c of protective material（Referring to Fig. 3-7~Fig. 3-8）Or the outer layer HDPE shields of bilayer HDPE sheaths The outer layer that set outer layer is coated with the 31c of polyurea protection coating III has the a0b2c of wire digging line I, II a0b2c of polyurea protection material（Ginseng See Fig. 3-9~Fig. 3-10）.

In various embodiments of the present invention, the polyurea materials of described polyurea protection coating are pure polyurea materials or half polyureas material Material；Described pure polyurea materials or half polyurea materials body are by isocyanates（A）Component and hybrid resin（B）Component reaction life Into material；(A) component can be aromatic isocyanate or aliphatic isocyanates；It can be isocyanates list Body, polymer, the modification derivant of isocyanates, semi-prepolymer or prepolymer；(B) component must be by amine terminated polyether, end ammonia Hydroxy compounds must not be introduced in base polyethers, but allows the micro hydroxylated material presence of non-fully ammonification in ammonifying process；Can be with Containing coating aid, these auxiliary agents allow containing hydroxyl.

Described pure polyurea materials or half polyurea materials 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 well known 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.

Claims (10)

1. a kind of preparation method that outer layer has the wire digging line of polyurea protection material, described steel wire is included by pretreated Bright steel wire or be attached with the periphery of bright steel wire (1) epoxy coating, galvanizing coating, plastic coating, anti-corrosion grease coating, The anti-corrosion steel wire of the surface attachment coating or coating (2) of oiliness wax or the coat of metal；It is characterized in that：The outer layer has polyurea protection The preparation method of the wire digging line of material is by by pretreated n roots bright steel wire or in bright steel wire（1）Periphery It is attached with the surface attachment coating of epoxy coating, galvanizing coating, plastic coating, anti-corrosion grease coating, oiliness wax or the coat of metal Or coating（2）Anti-corrosion steel wire after drying, being molded into steel wire combination body into disk, sub-wire, coalescence, steel wire combination body is led to again Polyurea materials coating process I is crossed, steel wire combination body wire digging line outer surface is adhered to polyurea coating；It is formed in n root plain bars The outer layer that the outermost layer of silk assembly is coated with a strata urea protective coating has a of wire digging line I of polyurea protection material；Or The outer layer that the steel wire combination body outermost layer of n root anti-corrosion steel wires is coated with a strata urea protective coating has the steel wire of polyurea protection material The a of drag-line II；

Its key step includes：

A：Pretreatment is carried out to steel wire and makes qualified steel wire：It is qualified that ordinary steel wire or high tensile steel wire are fabricated to after pretreatment Steel wire, including bright steel wire or it is attached with epoxy coating, galvanizing coating, plastic coating, anti-corrosion in the periphery of bright steel wire (1) The anti-corrosion steel wire of the surface attachment coating or coating (2) of grease coating, oiliness wax or the coat of metal；It is hereinafter referred to as pretreated Steel wire or steel wire；

B:Dry：Pretreated steel wire is thermally dried, surface moisture is removed；

C:Into disk：Qualified steel wire is carried out in constant speed traction, the streamline for being discharged into wire digging line process through caterpillar tractor；

D:Sub-wire：Several are individually placed on several draw drums into the good steel wire of disk, gone out steel wire traction on draw drum And the hole having on sub-wire frame, sub-wire frame corresponding to steel wire hexagonal array is penetrated, it is discharged into the storage line of wire digging line process streamline In disk；

E：Coalescence is molded into steel wire combination body：Steel wire after sub-wire is molded steel wire coalescence by multigroup shaped device； Each shaped device is made up of 2 groups of 3 rolling wheels for being mutually 120o angles；By the relative position and compression that adjust each rolling wheel Power, it is that each steel wire is abutted against each other in regular hexagon, strand to make some steel wire strand integers；

F：Polyurea materials coat process I：By the steel wire combination body of wire digging line one of in the following manner：

1. Extrusion Coating：Steel wire combination body passes through 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 wire combination body On；

3. pumping painting is soaked：Steel wire combination body is immersed in carbamide paint by pulling equipment, by exporting cyclic structure after immersion Shaping；

4. machine painting way：Polyurea materials are made to be coated uniformly on steel wire combination body using machine brushing；

The steel wire combination outer circumferential surface of wire digging line is set to adhere to one layer of polyurea coating；It is formed in n root bright steel wire assemblys The outer layer that outer layer has polyurea protection material has a of wire digging line I of polyurea protection material；Or in the steel wire group of n root anti-corrosion steel wires The outer layer that fit outer layer has polyurea protection material has a of wire digging line II of polyurea protection material；1≤n≤1500.

2. the preparation method that a kind of outer layer according to claim 1 has the wire digging line of polyurea protection material, its feature exists In：This method is that the outer layer for making claim 1 has a of wire digging line I, II a of polyurea protection material again by G：Be wrapped work Sequence, be wrapped the one layer of band that is wrapped in the periphery of steel wire combination body（5）, constituting outer layer has the a0 of wire digging line I of polyurea protection material, II a0。

3. the preparation method that a kind of outer layer according to claim 2 has the wire digging line of polyurea protection material, its feature exists In：This method is that the periphery in steel wire combination body for making claim 2 is wrapped the one layer of band that is wrapped（5）The outer layer of composition has poly- The a0 of wire digging line I, II a0 of urea protective materials pass through H again：Polyurea materials coat process II, i.e.,：One of in the following manner：

1. Extrusion Coating：The a0 of wire digging line I, II a0 pass through 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 wire digging line I On a0, II a0；

3. pumping painting is soaked：The a0 of wire digging line I, II a0 are immersed in carbamide paint by pulling equipment, pass through discharge ring after immersion Shape shaping structures；

4. machine painting way：Polyurea materials are made to be coated uniformly on the a0 of wire digging line I, II a0 using machine brushing；

The outer layer that making the outer layer of steel wire combination body has the band that is wrapped has the a0 of wire digging line I of polyurea protection material, II a0 outer surfaces Adhere to polyurea coating II（31b）, constituting outer layer has the a0b of wire digging line I, II a0b of polyurea protection material.

4. the preparation method that a kind of outer layer according to claim 1 has the wire digging line of polyurea protection material, its feature exists In：The a of wire digging line I or outer layer that the outer layer that claim 1 is made has polyurea protection material have the steel of polyurea protection material Silk drag-line II a passes through I1 again:PE covers extrusion molding process I or passes sequentially through I1:PE set extrusion moldings process I and I2:PE covers extrusion molding work Sequence II；The outer layer that being fabricated to outer layer has individual layer HDPE sheaths to constitute has the a1 of wire digging line I, II a1 of polyurea protection material or had The outer layer that double-deck HDPE sheaths are constituted has the a2 of wire digging line I, II a2 of polyurea protection material.

5. the preparation method that a kind of outer layer according to claim 2 has the wire digging line of polyurea protection material, its feature exists In：It is that the a0 of wire digging line I, II a0 that the outer layer for making claim 2 has polyurea protection material pass through I1 again:PE sets are squeezed Mould process I or pass sequentially through I1:PE set extrusion moldings process I and I2:PE set extrusion moldings process II；Being fabricated to outer layer has individual layer HDPE The outer layer that the outer layer that sheath is constituted has the a01 of wire digging line I, II a01 of polyurea protection material or has double-deck HDPE sheaths to constitute There are the a02 of wire digging line I, II a02 of polyurea protection material.

6. the preparation method that a kind of outer layer according to claim 3 has the wire digging line of polyurea protection material, its feature exists In：It is that the a0b of wire digging line I, II a0b that the outer layer for making claim 3 has polyurea protection material pass through I1 again:PE covers Extrusion molding process I or pass sequentially through I1:PE set extrusion moldings process I and I2:PE set extrusion moldings process II；Being fabricated to outer layer has individual layer The outer layer that HDPE sheaths are constituted has the a0b1 of wire digging line I, II a0b1 of polyurea protection material or has double-deck HDPE sheaths to constitute Outer layer have the a0b2 of wire digging line I, II a0b2 of polyurea protection material.

7. the preparation method that a kind of outer layer according to claim 4 has the wire digging line of polyurea protection material, its feature exists In：It is that the a1 of wire digging line I, II a1 or the outer layer that the outer layer for making claim 4 has polyurea protection material have polyurea protection The a2 of wire digging line I, II a2 of material pass through J again:Polyurea materials coat process III：I.e. one of in the following manner：

1. Extrusion Coating：The a1 of wire digging line I, II a1, I a2 or II a2 are 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 wire digging line I On a1, II a1, I a2 or II a2；

3. pumping painting is soaked：The a1 of wire digging line I, II a1, I a2 or II a2 are immersed in carbamide paint by pulling equipment, after immersion By exporting ring-type shaping structures；

4. machine painting way：Polyurea materials are made to be coated uniformly on the a1 of wire digging line I, II a1, I a2 or II a2 using machine brushing On；

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 Being covered with the outer layer of polyurea protection coating III has the a1c of wire digging line I, II a1c, I a2c or II a2c of polyurea protection material.

8. the preparation method that a kind of outer layer according to claim 5 has the wire digging line of polyurea protection material, its feature exists In：It is that the a01 of wire digging line I, II a01 or the outer layer that the outer layer for making claim 5 has polyurea protection material have polyureas to prevent The a02 of wire digging line I, II a02 of protective material pass through J again:Polyurea materials coat process III：I.e. one of in the following manner：

1. Extrusion Coating：The a01 of wire digging line I, II a01, I a02 or II a02 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 wire digging line I On a01, II a01, I a02 or II a02；

3. pumping painting is soaked：The a01 of wire digging line I, II a01, I a02 or II a02 are immersed in carbamide paint by pulling equipment, leaching By exporting ring-type shaping structures after bubble；

4. machine painting way：Using machine brushing make polyurea materials be coated uniformly on the a01 of wire digging line I, II a01, I a02 or On II a02；

Polyurea materials are coated in outside the outer layer of drag-line individual layer HDPE sheaths or outer layer HDPE sheaths with double-deck HDPE sheaths Layer, being formed in outermost layer and being coated with the outer layer of polyurea protection coating III has the a01c of wire digging line I of polyurea protection material, II A01c, I a02c or II a02c.

9. the preparation method that a kind of outer layer according to claim 6 has the wire digging line of polyurea protection material, its feature exists In：It is that the a0b1 of wire digging line I, II a0b1 or the outer layer that the outer layer for making claim 6 has polyurea protection material have polyureas The a0b2 of wire digging line I, II a0b2 of protective materials pass through J again:Polyurea materials coat process III, i.e., one of in the following manner：

1. Extrusion Coating：The a0b1 of wire digging line I, II a0b1, I a0b2 or II 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 wire digging line I On a0b1, II a0b1, I a0b2 or II a0b2；

3. pumping painting is soaked：The a0b1 of wire digging line I, II a0b1, I a0b2 or II 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 a0b1 of wire digging line I, II a0b1, I a0b2 using machine brushing Or II on a0b2；

Polyurea materials are coated in outside the outer layer of drag-line individual layer HDPE sheaths or outer layer HDPE sheaths with double-deck HDPE sheaths Layer, being formed in outermost layer and being coated with the outer layer of polyurea protection coating III has the a0b1c of wire digging line I of polyurea protection material, II A0b1c, I a0b2c or II a0b2c.

10. a kind of outer layer according to any one in claim 1-9 has the making of the wire digging line of polyurea protection material Method, it is characterised in that：Described polyurea materials are pure polyurea materials or half polyurea materials.