CN201704627U - Zinc/aluminum-plated steel-wire stay cable - Google Patents

Zinc/aluminum-plated steel-wire stay cable Download PDF

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Publication number
CN201704627U
CN201704627U CN2009202143983U CN200920214398U CN201704627U CN 201704627 U CN201704627 U CN 201704627U CN 2009202143983 U CN2009202143983 U CN 2009202143983U CN 200920214398 U CN200920214398 U CN 200920214398U CN 201704627 U CN201704627 U CN 201704627U
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CN
China
Prior art keywords
zinc
aluminum steel
steel silk
plated aluminum
strength
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
Application number
CN2009202143983U
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Chinese (zh)
Inventor
李刚
罗国强
张海良
谢飞
陈滔
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Shanghai Pujiang Cable Co Ltd
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Shanghai Pujiang Cable Co Ltd
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Application filed by Shanghai Pujiang Cable Co Ltd filed Critical Shanghai Pujiang Cable Co Ltd
Priority to CN2009202143983U priority Critical patent/CN201704627U/en
Application granted granted Critical
Publication of CN201704627U publication Critical patent/CN201704627U/en
Anticipated expiration legal-status Critical
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Abstract

The utility model relates to the field of bridge cables, in particular to a zinc/aluminum-plated steel-wire stay cable comprising an anchorage device (1) and high-strength zinc/aluminum-plated steel wires (8), wherein the zinc/aluminum-plated steel-wire stay cable is characterized by further comprising an outer colored resin protective layer (4), an inner black resin protective layer (5), a composite winding tape (6) and anti-corrosion grease (7); a cable strand body (2) comprises the high-strength zinc/aluminum-plated steel wires (8) based on zinc/aluminum-plated steel wires; the gaps among the high-strength zinc/aluminum-plated steel wires (8) are filled with the anti-corrosion grease (7); the composite winding tape (6) is wound around the outer side of the high-strength zinc/aluminum-plated steel wires (8); and the outer side of the high-strength zinc/aluminum-plated steel wires (8) is sequentially coated with the inner black resin protective layer (5) and the outer colored resin protective layer (4). Accordingly, the utility model increases the specifications and load-bearing capacity of per-unit strand and has the advantages of good performance in moisture resistance and shock absorption, long service life and lower construction cost.

Description

Zinc-plated aluminum steel silk suspension cable
Technical field
The utility model relates to the cable field that is used for bridge, is specially a kind of zinc-plated aluminum steel silk suspension cable.
Background technology
Bridge, still is apparent not enough with respect to bridge though zinc-coated wire has certain antiseptic power with the high-tensile steel wires that are plating zinc on surface that the cable steel wire uses the service life more than 50 at present, is still waiting to improve.Compare with zinc-coated wire, the zinc-aluminium layer oxidation resistance that zinc-plated aluminum steel silk surface is plated is stronger, more corrosion-resistant, and its antiseptic power is 4 times of zinc-coated wire, and application life is also longer.The high-tensile steel wires of plating zinc on surface aluminium are not applied on the cable that bridge is used as yet but at present.
Summary of the invention
In order to overcome the defective of prior art, provide that a kind of antiseptic power is strong, the bridge cable of long service life, the utility model discloses a kind of zinc-plated aluminum steel silk suspension cable.
The utility model reaches goal of the invention by following technical solution:
A kind of zinc-plated aluminum steel silk suspension cable, comprise the zinc-plated aluminum steel silk of ground tackle and high strength, the zinc-plated aluminum steel silk of high strength is the tangent mutually and strand of accumulation formation one by one body with lateral surface, the cross section of strand body is a regular hexagon, the two ends of strand body all use hot-cast alloy material or chill casting material to be anchored in the ground tackle by hot anchor technology, ground tackle is anchored in the anchorage zone of bridge and building, bear bridge and load of buildings, to reach stressed purpose, it is characterized in that: also comprise outer color resin sheath, internal layer black resin sheath, compound twining package tape and anticorrosion grease, the strand body is by the zinc-plated aluminum steel silk of high strength, anticorrosion grease, compound twining package tape, internal layer black resin sheath and outer color resin sheath constitute, the zinc-plated aluminum steel silk of high strength is selected zinc-plated aluminum steel silk for use, the zinc-aluminium layer of zinc-plated aluminum steel silk adopts the hot-dip method, zinc-aluminium layer thickness is greater than 45 μ m, the mass percent concentration of aluminium is 3.5%~9% in the zinc-aluminium layer, the mass percent concentration of zinc is 91%~96.5%, zinc-plated aluminium gauge of wire is 5mm~15mm, length is greater than 150m, tensile strength is not less than 1770Mpa, steel wire is after zinc-plated aluminium processing has been done on the surface, self-preserving energy force rate zinc-coated wire is high 2~3 times, the application life that can improve suspension cable greatly.
Anticorrosion grease spreads upon the outside of the zinc-plated aluminum steel silk of each bar high strength and fills up gap between the zinc-plated aluminum steel silk of high strength, and anticorrosion grease can completely cut off steam, the resistance erosion is anticorrosion, also has the lubricated effect of the zinc-plated aluminum steel silk of high strength to reduce to rub simultaneously.
Compound twining package tape is wrapped in the zinc-plated aluminum steel silk of the high strength of the having smeared anticorrosion grease outside, compound twining package tape is evenly distributed between the ground tackle at two ends and along the zinc-plated aluminum steel silk of high strength, and compound twining package tape is in order to the zinc-plated aluminum steel silk moulding of restraint and high-strength degree and prevent to disperse.
Internal layer black resin sheath covers the outside of the zinc-plated aluminum steel silk of the high strength of having twined compound twining package tape, and internal layer black resin sheath is invaded the zinc-plated aluminum steel silk of high strength in order to prevent moisture, protects zinc-plated aluminum steel silk not corroded.
The outside that outer color resin sheath covers internal layer black resin sheath is the outermost layer of extrusion molding at the strand body; its resisting environmental stress and cracking and UV resistant etc. are functional; can effectively protect internal layer black resin sheath; prevent the moisture intrusion; can change color according to the demand of bridge and architectural environment simultaneously beautifies the environment; the color in the outer color resin sheath outside can be selected redness, yellow, blueness, gold, silver color as required for use; or any varicolored combination, as rainbow pattern etc.
Described zinc-plated aluminum steel silk suspension cable, it is characterized in that: also comprise the resin bifilar helix, the strand body is made of the zinc-plated aluminum steel silk of high strength, anticorrosion grease, compound twining package tape, internal layer black resin sheath, outer color resin sheath and resin bifilar helix, at the outside of outer color resin sheath fixing resin bifilar helix, the resin bifilar helix is that the line number is two screw thread resin threads of 2, and the two ends of two screw threads flush with the two ends of the zinc-plated aluminum steel silk of high strength respectively.The resin bifilar helix is used for the anti-wind, rain and vibration of suspension cable, can effectively reduce because of being subjected to the wind and rain effect to produce the vibration of the suspension cable that covibration causes.
Described zinc-plated aluminum steel silk suspension cable, it is characterized in that: resin bifilar helix, outer color resin sheath and internal layer black resin sheath are all selected any one in polyethylene, polypropylene, Merlon, polymethyl methacrylate and the polyamide for use, and be optimum for selecting polyethylene for use.
When the utility model is made, earlier the zinc-plated aluminum steel silk of high strength is cut off blanking according to length requirement, the strand system is filled anticorrosion grease in the gap of the zinc-plated aluminum steel silk of high strength during the strand system then, twines compound twining package tape simultaneously; Then at the external surface while of the zinc-plated aluminum steel silk of high strength extrusion molding internal layer black resin sheath and outer color resin sheath, extrusion molding twines the resin bifilar helix again in the outside of outer color resin sheath, internal layer black resin sheath, outer color resin sheath and bifilar helix cover the zone of the zinc-plated aluminum steel silk of high strength for the remainder except that the ground tackle part is stretched at two ends in the zinc-plated aluminum steel silk of the multiply high strength lateral surface that twists the type of making, to make the strand body.With the two ends system anchor of strand body, by chill casting material or hot-cast alloy material the zinc-plated aluminum steel silk and the ground tackle in strand body two ends system anchor zone carried out anchor connection by hot anchor technology, make the utility model, promptly zinc-plated aluminum steel silk suspension cable.The finished product of making is connected with architectural anchorage zone by ground tackle and bridge, so that the utility model is stressed, thereby reaches the purpose of bearing bridge and built-loading.
The beneficial effects of the utility model are: adopt zinc-plated aluminum steel silk than common zinc-coated wire longer service life, the protective capacities of zinc-plated aluminum steel silk, rust-proofing ability and application life are higher 2~3 times than zinc-coated wire, the load ability to bear and the anti-corrosion capability of strand body significantly improve, make the load ability to bear of main cable strand can satisfy the more requirement of large-span suspension bridge, optimized bridge construction technology, alleviated bridge load, also having saved the bridge cost, also is a promotion to improving suspension bridge construction technique and scale.Each layer resin protective layer can better be avoided moisture intrusion, the wind resistance vibrationproof simultaneously.
Description of drawings
Fig. 1 is a structural front view of the present utility model;
Fig. 2 is the sectional drawing of strand body in the utility model;
Fig. 3 is the front view of the present utility model that is added with the resin bifilar helix;
Fig. 4 is the sectional drawing that is added with the strand body of the present utility model of resin bifilar helix.
The specific embodiment
Below further specify the utility model by specific embodiment.
Embodiment 1
A kind of zinc-plated aluminum steel silk suspension cable, comprise ground tackle 1, outer color resin sheath 4, internal layer black resin sheath 5, compound twining package tape 6, the zinc-plated aluminum steel silk 8 of anticorrosion grease 7 and high strength, as depicted in figs. 1 and 2, concrete structure is: the zinc-plated aluminum steel silk 8 of high strength is the tangent mutually and strand of accumulation formation one by one body 2 with lateral surface, the cross section of strand body 2 is a regular hexagon, the two ends of strand body 2 all use hot-cast alloy material or chill casting material to be anchored in the ground tackle 1 by hot anchor technology, strand body 2 as shown in Figure 2, by the zinc-plated aluminum steel silk 8 of high strength, anticorrosion grease 7, compound twining package tape 6, internal layer black resin sheath 5 and outer color resin sheath 4, the zinc-plated aluminum steel silk 8 of high strength is selected zinc-plated aluminum steel silk for use, the zinc-aluminium layer of zinc-plated aluminum steel silk adopts the hot-dip method, zinc-aluminium layer thickness is greater than 45 μ m, the mass percent concentration of aluminium is 3.5%~9% in the zinc-aluminium layer, the mass percent concentration of zinc is 91%~96.5%, zinc-plated aluminium gauge of wire is 5mm~15mm, length can reach 750 meters, and tensile strength is not less than 1770Mpa.Anticorrosion grease 7 spreads upon the outside of the zinc-plated aluminum steel silk 8 of each bar high strength and fills up gap between the zinc-plated aluminum steel silk 8 of high strength.Compound twining package tape 6 is wrapped in the zinc-plated aluminum steel silk of the high strength of having smeared anticorrosion grease 78 outsides, compound twining package tape 6 is evenly distributed between the ground tackle 1 at two ends and along the zinc-plated aluminum steel silk 8 of high strength, generally from the position of ground tackle 1 every 1m~3m in the outer felt of the zinc-plated aluminum steel silk 8 of high strength around compound twining package tape 6.Internal layer black resin sheath 5 covers the outside of the zinc-plated aluminum steel silk 8 of the high strength of having twined compound twining package tape 6.Outer color resin sheath 4 covers the outside of internal layer black resin sheath 5, and the color in outer color resin sheath 4 outsides can be selected redness, yellow, blueness, gold, silver color as required for use, or any varicolored combination, as the rainbow pattern etc.Outer color resin sheath 4 and internal layer black resin sheath 5 are all selected polyethylene for use, can also select in polypropylene, Merlon, polymethyl methacrylate and the polyamide any one for use, but with the polyethylene best results.
When present embodiment is made, earlier the zinc-plated aluminum steel silk of high strength 8 is cut off blanking according to length requirement, the strand system is filled anticorrosion grease 7 in the gap of the zinc-plated aluminum steel silk 8 of high strength during the strand system then, twines compound twining package tape 6 simultaneously; Then at the external surface while of the zinc-plated aluminum steel silk 8 of high strength extrusion molding internal layer black resin sheath 5 and outer color resin sheath 4, internal layer black resin sheath 5 and outer color resin sheath 4 cover the zone of the zinc-plated aluminum steel silk 8 of high strength for the remainder except that ground tackle 1 part is stretched at two ends in zinc-plated aluminum steel silk 8 lateral surfaces of multiply high strength that twist the type of making, to make strand body 2.With the two ends system anchor of strand body 2, by chill casting material or hot-cast alloy material the zinc-plated aluminum steel silk 8 in strand body 2 two ends system anchor zones is carried out anchor connection with ground tackle 1 by hot anchor technology, make the utility model, promptly zinc-plated aluminum steel silk suspension cable.The finished product of making is connected with architectural anchorage zone by ground tackle 1 and bridge, so that the utility model is stressed, thereby reaches the purpose of bearing bridge and built-loading.
Embodiment 2
A kind of zinc-plated aluminum steel silk suspension cable, comprise ground tackle 1, resin bifilar helix 3, outer color resin sheath 4, internal layer black resin sheath 5, compound twining package tape 6, the zinc-plated aluminum steel silk 8 of anticorrosion grease 7 and high strength, as shown in Figure 3 and Figure 4, concrete structure is: the zinc-plated aluminum steel silk 8 of high strength is the tangent mutually and strand of accumulation formation one by one body 2 with lateral surface, the cross section of strand body 2 is a regular hexagon, the two ends of strand body 2 all use hot-cast alloy material or chill casting material to be anchored in the ground tackle 1 by hot anchor technology, strand body 2 as shown in Figure 4, by the zinc-plated aluminum steel silk 8 of high strength, anticorrosion grease 7, compound twining package tape 6, internal layer black resin sheath 5, outer color resin sheath 4 and resin bifilar helix 3 constitute, at the outside of outer color resin sheath 4 fixing resin bifilar helix 3, resin bifilar helix 3 is that the line number is two screw thread resin threads of 2, and the two ends of two screw threads flush with the two ends of the zinc-plated aluminum steel silk 8 of high strength respectively.Other structures are all same with embodiment 1.
When present embodiment is made, extrusion molding twines resin bifilar helix 3 again in the outside of outer color resin sheath 4, internal layer black resin sheath 5, outer color resin sheath 4 and bifilar helix 3 cover the zone of the zinc-plated aluminum steel silk 8 of high strength for the remainder except that ground tackle 1 part is stretched at two ends in zinc-plated aluminum steel silk 8 lateral surfaces of multiply high strength that twist the type of making, to make strand body 2.Other manufacture methods are all same with embodiment 1.

Claims (5)

1. zinc-plated aluminum steel silk suspension cable, comprise the zinc-plated aluminum steel silk of ground tackle (1) and high strength (8), the zinc-plated aluminum steel silk of high strength (8) is the tangent mutually and strand body (2) of accumulation formation one by one with lateral surface, the cross section of strand body (2) is a regular hexagon, the two ends of strand body (2) all use hot-cast alloy material or chill casting material to be anchored in the ground tackle (1) by hot anchor technology, it is characterized in that: also comprise outer color resin sheath (4), internal layer black resin sheath (5), compound twining package tape (6) and anticorrosion grease (7), strand body (2) is by the zinc-plated aluminum steel silk of high strength (8), anticorrosion grease (7), compound twining package tape (6), internal layer black resin sheath (5) and outer color resin sheath (4) constitute, the zinc-plated aluminum steel silk of high strength (8) is selected zinc-plated aluminum steel silk for use, the zinc-aluminium layer of zinc-plated aluminum steel silk adopts the hot-dip method, zinc-aluminium layer thickness is greater than 45 μ m, zinc-plated aluminium gauge of wire is 5mm~15mm, length is greater than 150m, tensile strength is not less than 1770Mpa, anticorrosion grease (7) spreads upon the outside of the zinc-plated aluminum steel silk of each bar high strength (8) and fills up gap between the zinc-plated aluminum steel silk of high strength (8), compound twining package tape (6) is wrapped in the zinc-plated aluminum steel silk of the high strength of having smeared anticorrosion grease (7) (8) outside, compound twining package tape (6) is positioned between the ground tackle (1) at two ends and along the zinc-plated aluminum steel silk of high strength (8) and is evenly distributed, internal layer black resin sheath (5) covers the outside of the zinc-plated aluminum steel silk of the high strength of having twined compound twining package tape (6) (8), and the outside that outer color resin sheath (4) covers internal layer black resin sheath (5) is the outermost layer of extrusion molding in strand body (2).
2. zinc-plated aluminum steel silk suspension cable as claimed in claim 1 is characterized in that: outer color resin sheath (4) and internal layer black resin sheath (5) are all selected any one in polyethylene, polypropylene, Merlon, polymethyl methacrylate and the polyamide for use.
3. zinc-plated aluminum steel silk suspension cable as claimed in claim 1 is characterized in that: outer color resin sheath (4) and internal layer black resin sheath (5) are all selected polyethylene for use.
4. as any described zinc-plated aluminum steel silk suspension cable in the claim 1 to 3, it is characterized in that: also comprise resin bifilar helix (3), strand body (2) is by the zinc-plated aluminum steel silk of high strength (8), anticorrosion grease (7), compound twining package tape (6), internal layer black resin sheath (5), outer color resin sheath (4) and resin bifilar helix (3) constitute, at the outside of outer color resin sheath (4) fixing resin bifilar helix (3), resin bifilar helix (3) is that the line number is two screw thread resin threads of 2, and the two ends of two screw threads flush with the two ends of the zinc-plated aluminum steel silk of high strength (8) respectively.
5. zinc-plated aluminum steel silk suspension cable as claimed in claim 4, it is characterized in that: resin bifilar helix (3) is selected any one in polyethylene, polypropylene, Merlon, polymethyl methacrylate and the polyamide for use.
CN2009202143983U 2009-11-27 2009-11-27 Zinc/aluminum-plated steel-wire stay cable Expired - Lifetime CN201704627U (en)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102953333A (en) * 2011-08-27 2013-03-06 上海浦江缆索股份有限公司 Composite-sheathed stay cable body and production method thereof
CN104762840A (en) * 2015-04-10 2015-07-08 招商局重庆交通科研设计院有限公司 Filling integrated type anti-corrosion parallel wire stayed cable body for bridge and manufacturing process for filling integrated type anti-corrosion parallel
CN105755956A (en) * 2016-04-29 2016-07-13 重庆万桥交通科技发展有限公司 Novel stay cable for cable-stayed bridge
CN105862592A (en) * 2016-04-13 2016-08-17 江苏法尔胜缆索有限公司 Manufacturing method of hot extrusion polyethylene zinc-aluminum alloy coating steel wire cable

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102953333A (en) * 2011-08-27 2013-03-06 上海浦江缆索股份有限公司 Composite-sheathed stay cable body and production method thereof
CN102953333B (en) * 2011-08-27 2015-12-09 上海浦江缆索股份有限公司 Cable body of composite protection layer tension cable and manufacture method thereof
CN104762840A (en) * 2015-04-10 2015-07-08 招商局重庆交通科研设计院有限公司 Filling integrated type anti-corrosion parallel wire stayed cable body for bridge and manufacturing process for filling integrated type anti-corrosion parallel
CN105862592A (en) * 2016-04-13 2016-08-17 江苏法尔胜缆索有限公司 Manufacturing method of hot extrusion polyethylene zinc-aluminum alloy coating steel wire cable
WO2017177518A1 (en) * 2016-04-13 2017-10-19 江苏法尔胜缆索有限公司 Method for manufacturing hot extruded polyethylene zinc-aluminium alloy-plated steel wire hauling cable
CN105755956A (en) * 2016-04-29 2016-07-13 重庆万桥交通科技发展有限公司 Novel stay cable for cable-stayed bridge

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