CN1644791A - Supehigh strength parallel steel wire durable cables - Google Patents
Supehigh strength parallel steel wire durable cables Download PDFInfo
- Publication number
- CN1644791A CN1644791A CN200510038239.9A CN200510038239A CN1644791A CN 1644791 A CN1644791 A CN 1644791A CN 200510038239 A CN200510038239 A CN 200510038239A CN 1644791 A CN1644791 A CN 1644791A
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- CN
- China
- Prior art keywords
- steel wire
- supehigh
- anchor cup
- anchor
- strength parallel
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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.)
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Classifications
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- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B5/00—Making ropes or cables from special materials or of particular form
- D07B5/002—Making parallel wire strands
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2201/00—Ropes or cables
- D07B2201/20—Rope or cable components
- D07B2201/2083—Jackets or coverings
- D07B2201/2087—Jackets or coverings being of the coated type
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2201/00—Ropes or cables
- D07B2201/20—Rope or cable components
- D07B2201/2083—Jackets or coverings
- D07B2201/2088—Jackets or coverings having multiple layers
-
- D—TEXTILES; PAPER
- D07—ROPES; CABLES OTHER THAN ELECTRIC
- D07B—ROPES OR CABLES IN GENERAL
- D07B2501/00—Application field
- D07B2501/20—Application field related to ropes or cables
- D07B2501/2015—Construction industries
- D07B2501/203—Bridges
Landscapes
- Bridges Or Land Bridges (AREA)
- Ropes Or Cables (AREA)
Abstract
An ultrahigh-strength durable pull cable made of parallel steel wires is composed of the cable body consisting of central parallel steel wires, fluorized rubber belt layer winding around said steel wires, fibre reinforced polyester band layer and high-density polyethene jacket, and the archors at both ends of cable body. Its advantages are high anticorrosion power and long service life.
Description
Technical field:
The present invention relates to a kind of drag-line, especially relate to a kind of Supehigh strength parallel steel wire durable cables.Be mainly used in cable-stayed bridge and make suspension cable.
Background technology:
Cable-stayed bridge is a kind of from the anchor structure system, and it does not need the anchor pier structure of the huge costliness at drag-line two ends, and its Suo Yingli is that Yan Suochang is constant basically.The cable-stayed bridge layout that in striding, is in line, and have suitable extensional rigidity.Suspension cable produces favourable pressure to the girder of bridge span structure, has improved the stress of girder.Suspension cable is very big to the influence of cable-stayed bridge, and the reason of cable-stayed bridge failure mainly all is the problem of cable in history.Because suspension cable generally is arranged in the beam external body, and be under the high-stress state for a long time, its sectional dimension is again little, so it is very responsive to corrosiveness, even taking place, its intensity of slight corrosion also has bigger loss, so the durability of cable-stayed bridge depends on the resistance to corrosion of suspension cable to a great extent.Suspension cable should have under the effect the enough intensity except carrying in sound, the most important thing is that suspension cable is comprising on the whole suspension cable length of anchoring section having reliable and durable anti-corrosion protection measure.At present the suspension cable of cable-stayed bridge generally adopts the hot extruded polyethylene drag-line, this drag-line resistance to corrosion a little less than, cause the cable-stayed bridge poor durability that adopts this drag-line.
Summary of the invention:
The objective of the invention is to overcome above-mentioned deficiency, provide that a kind of resistance to corrosion is strong, the Supehigh strength parallel steel wire durable cables of long service life.
The object of the present invention is achieved like this: a kind of Supehigh strength parallel steel wire durable cables, the ground tackle that comprises cable body and be fitted in the cable body two ends, dragline structure are divided into two kinds:
One, the steel tendon outer surface of drag-line cable body twines the perfluorinated membranes adhesive tape of being made by fluorine resin material earlier, this adhesive tape has very good mechanical properties and ductility and chemical-resistance, twine fiber reinforcement polyester band again and claim pressure sensitive adhesive tape again, its tensile strength is not less than 950N/25mm, make the steel tendon moulding, outer then double-deck high density polyethylene (HDPE) sheath, the internal layer black of squeezing, outer colored, carry out embossing at the drag-line outer surface at last and handle.
Two, anticorrosion filler grease or paraffin are filled in the steel wire of the steel tendon of drag-line cable body and the gap between steel wire, the steel tendon outer surface twines the perfluorinated membranes adhesive tape of being made by fluorine resin material earlier, this adhesive tape has very good mechanical properties and ductility and chemical-resistance, twine fiber reinforcement polyester band again and claim pressure sensitive adhesive tape again, its tensile strength is not less than 950N/25mm, make the steel tendon moulding, outer then crowded double-deck high density polyethylene (HDPE) sheath, internal layer black, outer colored, carry out embossing at the drag-line outer surface at last and handle.
Major technique characteristics of the present invention are:
1) cable body adopts the comprehensive anticorrosive technology, carries out the multilayer protection;
2) the ground tackle coating adopts the Zinc-Chromium film coating to claim the Dacroment coating again, this coating is thinner, does not influence the tolerance fit of ground tackle screw thread, no hydrogen embrittlement phenomenon, but have fabulous permeability and toolability and high antiseptic property, the anticorrosion life-span that makes this dragline anchorage is 6～7 times of common dragline anchorage;
3) novel anchoring casting process is adopted in the anchoring between ground tackle and the steel wire, has guaranteed the anchoring strength while of suspension cable, and has improved anti-fatigue performance;
4) adopt novel filling sealing technology between ground tackle and the drag-line, prevented that harmful substance such as moisture content from entering cable body, avoided corrosion hidden danger.
5) drag-line cable body outer surface carries out the embossing processing, when its air resistance coefficient does not obviously increase, has extremely significant rain-proof effect.
The technical indicator of Supehigh strength parallel steel wire durable cables is as follows:
| Sequence number | Project | Require index |
| 1 | Tensile strength | 〉= |
| 2 | Tension performance | After drag-line surpasses stretch-draw according to 1.2～1.5 times design load, value＜the 6mm that contracts in the body of casting of cold and hot casting anchor, screwing of anchor circle and anchor cup is unaffected |
| 3 | Elastic modelling quantity | 〉=1.90 * 10 5Mpa |
| 4 | The disrumpent feelings percentage elongation of static load | 〉=2% |
| 5 | The static load performance | 95% of static load Breaking load 〉=disrumpent feelings load of suspension cable nominal |
| 6 | The dynamic load performance | The finished product drag-line is by being limited to 0.45 σ on the stress b, stress amplitude is 200MPa, after the fatigue test of 2,500,000 secondary stress conditions, drag-line is no abnormal. |
| 7 | Endurance quality | Suspension cable service life＞50 year |
| 8 | The suspension cable outward appearance | The suspension cable outer surface is even, smooth, smooth, flawless |
| 9 | Drag-line length precision | During less than 200m, the length precision reaches ± and 1/10000, during more than or equal to 200m, the length precision reaches ± (1/20000+10) |
| 10 | The coiling performance | The drag-line diameter of coiling internal diameter 〉=20 times |
| 11 | The anti-wind, rain and vibration performance | Air resistance coefficient is Cd=0.62, and rain-proof is respond well |
Compare with common hot extruded polyethylene drag-line, the present invention has advantages such as antiseptic property is good, intensity is high, anti-fatigue performance good, the elastic modelling quantity loss is little, in light weight, easy construction, has satisfied the instructions for use in 50～60 years of super long span stayed-cable bridge suspension cable.
Description of drawings:
Fig. 1 is a finished product stayed structure schematic diagram of the present invention.
Fig. 2 is drag-line cable body section structure one schematic diagram of the present invention.
Fig. 3 is drag-line cable body section structure two schematic diagrames of the present invention.
Fig. 4 is the cold and hot casting ground tackle of a present invention structural representation.
Fig. 5 is the cold and hot casting anchor structure of a present invention schematic diagram
The specific embodiment:
The present invention is a kind of Supehigh strength parallel steel wire durable cables, and the finished product stayed structure is referring to Fig. 1, is made up of cable body 1 and the ground tackle 2 that is fitted in the cable body two ends.Ground tackle 2 is formed by connecting by anchor cup 2.3, anchor circle 2.4 and connecting cylinder 2.6.
The steel tendon section of drag-line is regular hexagon or the unfilled corner hexagon is closely arranged, through twisted together.Dragline structure is divided into two kinds, and its section structure schematic diagram is respectively referring to Fig. 2 and Fig. 3.
Referring to Fig. 2, steel tendon 1.2 outer surfaces of drag-line cable body 1 twine perfluorinated membranes adhesive tape 1.3 earlier, twine 1.4 moulding of fiber reinforcement polyester band again, outer then crowded double-deck high density polyethylene (HDPE) sheath 1.5, and the cable body surface is carried out the embossing processing and is formed embossing indenture 1.6.
Referring to Fig. 3, anticorrosion filler (grease or paraffin) 1.1 is filled in the steel wire of the steel tendon 1.2 of drag-line cable body 1 and the gap between steel wire, steel tendon 1.2 outer surfaces twine perfluorinated membranes adhesive tape 1.3 earlier, twine 1.4 moulding of fiber reinforcement polyester band again, outer then crowded double-deck high density polyethylene (HDPE) sheath 1.5, cable body surface carry out embossing and handle formation embossing indenture 1.6.
At the equipped cold and hot casting ground tackle 2 in the two ends of Supehigh strength parallel steel wire durable cables cable body.Referring to Fig. 4, cold and hot casting ground tackle 2 by metal parts such as anchor cup 2.3, anchor circle 2.4, connecting cylinder 2.6, protecgulum 2.9, bonnet 2.1 and silicon rubber 2.2, anchor backing plate 2.5, reserve pipeline 2.7, density cushion rubber 2.8, heat shrinking sleeve 2.10 and form, see Fig. 4.Connecting cylinder 2.6 rear ends are inserted in anchor cup 2.3 front ends, anchor circle 2.4 adopts screw thread to be combined on the anchor cup 2.3, steel tendon 1.2 is placed through in connecting cylinder 2.6 and the anchor cup 2.3, O-ring seal 2.8 is enclosed within on the high density polyethylene (HDPE) sheath 1.5, and be embedded in the conical internal cavity of connecting cylinder 2.6 front ends, compress sealing with protecgulum 2.9 again, bonnet 2.1 compresses with silicon rubber 2.2 and is embedded at anchor cup 2.3 rear ends, make anchor cup 2.3 back-end closures, heat shrinking sleeve 2.10 is placed on high density polyethylene (HDPE) sheath 1.5, outside protecgulum 2.9 and the connecting cylinder 2.6, when drag-line sets up, Supehigh strength parallel steel wire durable cables passes pre-buried pipeline 2.7, anchor backing plate 2.5 pressure-bearings are in pre-buried rear end of pipeline, and anchor circle 2.4 pressure-bearings are in anchor backing plate 2.5.
Referring to Fig. 5, at the steel wire gap of anchor cup 2.3 back cavities of cold and hot casting ground tackle 2 casting pltine 3.1, pltine 3.1 compositions are: zinc 98% ± 0.02%, copper 2% ± 0.02%.In 3.2 perfusions of the steel wire gap of anchor cup 2.3 ante-chambers casting epoxy chill casting filler, epoxy chill casting filler 3.2 is made of materials such as epoxy resin, steel ball, rock dust, curing agent.This cold and hot casting method can relax the fatigue damage of the body of casting to steel wire, rationally controls the inflection point of steel wire, concentrates to relax stress.Pltine 3.1 body of castings have been brought into play its remarkable anchorage reliability energy and anchoring durability, and epoxy chill casting filler 3.2 body of castings have improved the fatigue behaviour of drag-line.
Claims (6)
1, a kind of Supehigh strength parallel steel wire durable cables, the ground tackle (2) that comprises cable body (1) and be fitted in the cable body two ends, steel tendon (1.2) outer surface that it is characterized in that cable body (1) twines perfluorinated membranes adhesive tape (1.3) earlier, twine fiber reinforcement polyester band (1.4) moulding again, the outer then double-deck high density polyethylene (HDPE) sheath (1.5) that squeezes.
2, a kind of Supehigh strength parallel steel wire durable cables according to claim 2 is characterized in that anticorrosion filler grease or paraffin (1.1) are filled in the steel wire gap of the steel tendon (1.2) of cable body (1).
3, a kind of Supehigh strength parallel steel wire durable cables according to claim 1 and 2, the equipped cold and hot casting ground tackle in two ends that it is characterized in that drag-line, cold and hot casting ground tackle (2) comprises anchor cup (2.3), anchor circle (2.4), connecting cylinder (2.6), protecgulum (2.9), bonnet (2.1) and silicon rubber (2.2), density cushion rubber (2.8) and heat shrinking sleeve (2.10), connecting cylinder (2.6) rear end is inserted in anchor cup (2.3) front end, anchor circle (2.4) is combined on the anchor cup (2.3), steel tendon (1.2) is placed through in connecting cylinder (2.6) and the anchor cup (2.3), O-ring seal (2.8) is enclosed within on the high density polyethylene (HDPE) sheath (1.5), and be embedded in the conical internal cavity of connecting cylinder (2.6) front end, use protecgulum (2.9) to compress sealing again, bonnet (2.1) and silicon rubber (2.2) compress and are embedded at anchor cup (2.3) rear end, make anchor cup (2.3) back-end closure, heat shrinking sleeve (2.10) is placed on high density polyethylene (HDPE) sheath (1.5), outside protecgulum (2.9) and the connecting cylinder (2.6).
4, a kind of Supehigh strength parallel steel wire durable cables according to claim 1 and 2, the equipped cold and hot casting ground tackle in two ends that it is characterized in that drag-line, at the steel wire gap of anchor cup (2.3) back cavity of cold and hot casting ground tackle (2) casting pltine (3.1), in steel wire gap casting epoxy chill casting filler (3.2) perfusion of anchor cup (2.3) ante-chamber.
5, a kind of Supehigh strength parallel steel wire durable cables according to claim 4 is characterized in that pltine (3.1) composition is: zinc 98% ± 0.02%, copper 2% ± 0.02%.
6, a kind of Supehigh strength parallel steel wire durable cables according to claim 4 is characterized in that epoxy chill casting filler (3.2) is made of epoxy resin, steel ball, rock dust and curing agent.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100382399A CN100354471C (en) | 2005-01-25 | 2005-01-25 | Supehigh strength parallel steel wire durable cables |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2005100382399A CN100354471C (en) | 2005-01-25 | 2005-01-25 | Supehigh strength parallel steel wire durable cables |
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| CN1644791A true CN1644791A (en) | 2005-07-27 |
| CN100354471C CN100354471C (en) | 2007-12-12 |
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| CNB2005100382399A Active CN100354471C (en) | 2005-01-25 | 2005-01-25 | Supehigh strength parallel steel wire durable cables |
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Cited By (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN100390369C (en) * | 2006-04-19 | 2008-05-28 | 哈尔滨工业大学 | Fibre-reinforced plastic steel twisting-wire composite rib |
| CN1986958B (en) * | 2005-12-21 | 2010-06-09 | 上海浦江缆索股份有限公司 | Method for producing stayed-cable with screw line |
| CN102154861A (en) * | 2011-04-11 | 2011-08-17 | 江苏法尔胜新日制铁缆索有限公司 | Ultrahigh fatigue stress amplitude resistant steel cable |
| CN103496169A (en) * | 2013-09-29 | 2014-01-08 | 江苏法尔胜泓昇集团有限公司 | Preparation method for carbon fibre composite dragline |
| CN104005513A (en) * | 2014-06-09 | 2014-08-27 | 天津大学 | Carbon fiber reinforced plastics (CFRP) inhaul cable of cable-supported structure |
| 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 |
| CN109914245A (en) * | 2019-03-26 | 2019-06-21 | 江苏法尔胜缆索有限公司 | A kind of heat-insulated, fire-type hot extruded polyethylene parallel wire stay |
| CN109972516A (en) * | 2019-04-01 | 2019-07-05 | 中交第二航务工程局有限公司 | A kind of long-life drag-line that sheath is replaceable |
| CN110331665A (en) * | 2019-07-10 | 2019-10-15 | 广东迈诺工业技术有限公司 | A kind of bridge anticorrosion parallel wire stay and its manufacturing method |
| CN110553798A (en) * | 2018-05-31 | 2019-12-10 | 上海浦江缆索股份有限公司 | Deep water inhaul cable sealing test device for simulating high water pressure environment and use method thereof |
| CN111719325A (en) * | 2020-06-22 | 2020-09-29 | 上海君威钢绳索具有限公司 | Steel wire rope special for grooving machine |
| WO2020199625A1 (en) * | 2019-04-01 | 2020-10-08 | 中交第二航务工程局有限公司 | Long-service-life inhaul cable with replaceable sheath |
| WO2022088712A1 (en) * | 2020-11-02 | 2022-05-05 | 江苏法尔胜缆索有限公司 | Multi-cone-cavity anchor for stay cable |
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| US4193319A (en) * | 1975-09-05 | 1980-03-18 | Incom International Inc. | Push-pull cable core with self-lubricating coating |
| AU561279B2 (en) * | 1982-09-01 | 1987-05-07 | Cable Belt Ltd. | Cables |
| CN1190553C (en) * | 2002-05-11 | 2005-02-23 | 柳州欧维姆机械股份有限公司 | External protective rigging without stress |
| CN1458333A (en) * | 2002-05-12 | 2003-11-26 | 柳州市建设机械总厂 | Anti-corrosion high strength steel cable |
| CN2637552Y (en) * | 2003-08-21 | 2004-09-01 | 江苏法尔胜新日制铁缆索有限公司 | High leak tightness anchor unit assemblage for hanger rod or slope draw rope cable |
| CN2775095Y (en) * | 2005-01-25 | 2006-04-26 | 江苏法尔胜新日制铁缆索有限公司 | Super high strength parallel steel wire durable pull cable |
-
2005
- 2005-01-25 CN CNB2005100382399A patent/CN100354471C/en active Active
Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1986958B (en) * | 2005-12-21 | 2010-06-09 | 上海浦江缆索股份有限公司 | Method for producing stayed-cable with screw line |
| CN100390369C (en) * | 2006-04-19 | 2008-05-28 | 哈尔滨工业大学 | Fibre-reinforced plastic steel twisting-wire composite rib |
| CN102154861A (en) * | 2011-04-11 | 2011-08-17 | 江苏法尔胜新日制铁缆索有限公司 | Ultrahigh fatigue stress amplitude resistant steel cable |
| CN102154861B (en) * | 2011-04-11 | 2012-10-10 | 江苏法尔胜新日制铁缆索有限公司 | Ultrahigh fatigue stress amplitude resistant steel cable |
| CN103496169A (en) * | 2013-09-29 | 2014-01-08 | 江苏法尔胜泓昇集团有限公司 | Preparation method for carbon fibre composite dragline |
| CN104005513A (en) * | 2014-06-09 | 2014-08-27 | 天津大学 | Carbon fiber reinforced plastics (CFRP) inhaul cable of cable-supported structure |
| 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 |
| CN110553798A (en) * | 2018-05-31 | 2019-12-10 | 上海浦江缆索股份有限公司 | Deep water inhaul cable sealing test device for simulating high water pressure environment and use method thereof |
| CN109914245A (en) * | 2019-03-26 | 2019-06-21 | 江苏法尔胜缆索有限公司 | A kind of heat-insulated, fire-type hot extruded polyethylene parallel wire stay |
| CN109972516A (en) * | 2019-04-01 | 2019-07-05 | 中交第二航务工程局有限公司 | A kind of long-life drag-line that sheath is replaceable |
| WO2020199625A1 (en) * | 2019-04-01 | 2020-10-08 | 中交第二航务工程局有限公司 | Long-service-life inhaul cable with replaceable sheath |
| CN109972516B (en) * | 2019-04-01 | 2024-06-04 | 中交第二航务工程局有限公司 | Long-life inhaul cable with replaceable sheath |
| CN110331665A (en) * | 2019-07-10 | 2019-10-15 | 广东迈诺工业技术有限公司 | A kind of bridge anticorrosion parallel wire stay and its manufacturing method |
| CN111719325A (en) * | 2020-06-22 | 2020-09-29 | 上海君威钢绳索具有限公司 | Steel wire rope special for grooving machine |
| WO2022088712A1 (en) * | 2020-11-02 | 2022-05-05 | 江苏法尔胜缆索有限公司 | Multi-cone-cavity anchor for stay cable |
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| CN100354471C (en) | 2007-12-12 |
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