CN101608431A - The preparation method of wind-rain resistant vibration damping inhaul cable with two spiral lines - Google Patents
The preparation method of wind-rain resistant vibration damping inhaul cable with two spiral lines Download PDFInfo
- Publication number
- CN101608431A CN101608431A CNA2008100393467A CN200810039346A CN101608431A CN 101608431 A CN101608431 A CN 101608431A CN A2008100393467 A CNA2008100393467 A CN A2008100393467A CN 200810039346 A CN200810039346 A CN 200810039346A CN 101608431 A CN101608431 A CN 101608431A
- Authority
- CN
- China
- Prior art keywords
- helix
- wind
- preparation
- vibration damping
- inhaul cable
- Prior art date
- 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.)
- Pending
Links
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- 238000013016 damping Methods 0.000 title claims abstract description 11
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 21
- 239000010959 steel Substances 0.000 claims abstract description 21
- 210000002435 tendon Anatomy 0.000 claims abstract description 14
- 238000001125 extrusion Methods 0.000 claims abstract description 10
- 238000004804 winding Methods 0.000 claims abstract description 10
- 229910001335 Galvanized steel Inorganic materials 0.000 claims abstract description 4
- 239000008397 galvanized steel Substances 0.000 claims abstract description 4
- 238000012856 packing Methods 0.000 claims abstract description 3
- 238000001816 cooling Methods 0.000 claims description 3
- 238000000280 densification Methods 0.000 claims description 3
- 239000000463 material Substances 0.000 claims description 3
- 229920000573 polyethylene Polymers 0.000 claims description 3
- 238000004519 manufacturing process Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 6
- 238000010923 batch production Methods 0.000 abstract description 4
- 238000000465 moulding Methods 0.000 abstract description 4
- 239000000725 suspension Substances 0.000 description 3
- 238000005260 corrosion Methods 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000001629 suppression Effects 0.000 description 1
Classifications
-
- 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
- D07B5/005—Making ropes or cables from special materials or of particular form characterised by their outer shape or surface properties
- D07B5/006—Making ropes or cables from special materials or of particular form characterised by their outer shape or surface properties by the properties of an outer surface polymeric coating
-
- 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
- Ropes Or Cables (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The present invention relates to a kind of method of bridge field of mechanical technique, specifically is a kind of preparation method of wind-rain resistant vibration damping inhaul cable with two spiral lines.Comprise the steps: that mainly (1) choose high-strength galvanized steel wire, spiral rib, helix.(2) wire blanking, strand system steel wire, the concentric left-hand of steel tendon is stranded.(3) twist the steel tendon of having made and add twining package tape, individual layer overlapping width should be less than 1/3 of bandwidth.(4) extrusion molding, the winding screw rib.(5) mark cuts off, system anchor, super stretch-draw, packing.The inventive method is simply effective, easy operating, solved helix extrude sheath rotation, seal, heat, a series of technological difficulties such as high temperature resistant, helix moulding, be applicable to batch production production.
Description
Technical field
The present invention relates to a kind of method of bridge field of mechanical technique, specifically is a kind of preparation method of wind-rain resistant vibration damping inhaul cable with two spiral lines.
Background technology
Rain wind induced vibration is to descend in the acting in conjunction of wind and rain, and a kind of fierceness that suspension cable takes place is significantly vibrated, and during serious vibration, adjacent two drag-lines can bump.Inclined Cable Vibration can cause bitter end joint fatigue, destroy the anti-corrosion system of rope, and the serious rope that also can cause lost efficacy.The vibration of rope also can cause the uncomfortable of pedestrian, and the safety of bridge is thrown doubt upon.So must give enough attention to the anti-wind, rain and vibration problem of drag-line.The direct measure that prior art adopts is exactly the aerodynamics vibration reducing measure, and effectiveness in vibration suppression is limited.
Summary of the invention
The objective of the invention is to overcome the deficiencies in the prior art, a kind of preparation method of wind-rain resistant vibration damping inhaul cable with two spiral lines is provided.The inventive method is simply effective, easy operating, solved helix extrude sheath rotation, seal, heat, a series of technological difficulties such as high temperature resistant, helix moulding, be applicable to batch production production.
The present invention is achieved by the following technical solutions, the present invention includes following steps:
(1) choose high-strength galvanized steel wire, spiral rib, helix, helix adopt the high density colored polythene material identical with the outer colored PE color of cable body, and diameter is Ф 5mm.
Described step (1), for obtaining the little optimum efficiency of anti-wind, rain and vibration and air resistance coefficient simultaneously, the pitch of getting single helix during making is 8 times of drag-line diameters, the helix height of projection is 2mm.
Bifilar helix diameter to pitch 8D (D is the drag-line diameter) is two all drag-lines of 2mm and 4mm, and the resistance coefficient under different angle, under the different wind speed is all less than 0.8.
(2) wire blanking, strand system steel wire, the concentric left-hand of steel tendon is stranded.
Described step (2), outermost layer of steel wire stranding angle are 3 ° ± 0.5 °.
(3) twist the steel tendon of having made and add twining package tape, individual layer overlapping width should be less than 1/3 of bandwidth, and lapping layer is answered neat densification, does not have damaged.
(4) extrusion molding, the winding screw rib squeezes the two sheaths of black PE and colored PE outside wrapped steel tendon, and sheath should closely wrap up; After the steel tendon extrusion molding is finished, winding screw rib before the PE cooling; Article two, helix twines simultaneously, and the preceding line speed of drag-line is adjusted the velocity of rotation of winding disc during according to extrusion molding, and making helix twine pitch is 8 times cable body external diameter, and should twine evenly.
After twining and finish, described step (4), helix highly be 2mm.
(5) mark cuts off, system anchor, super stretch-draw, packing.
Rain wind induced vibration has great destructiveness, harmfulness to suspension cable, is a kind ofly can effectively suppress the Cable Structure product that wind and rain shakes with double spiral wind-rain resistant of the present invention double spiral wind-rain resistant that the drag-line preparation method the obtains drag-line that shakes that shakes.The invention provides a kind of method of manufacturing this product, simple effectively, easy operating, solved helix extrude sheath rotation, seal, heat, a series of technological difficulties such as high temperature resistant, helix moulding, be applicable to batch production production.
The specific embodiment
Below embodiments of the invention are elaborated: present embodiment has provided detailed embodiment being to implement under the prerequisite with the technical solution of the present invention, but protection scope of the present invention is not limited to following embodiment.
1. high-strength galvanized steel wire and spiral rib, and carry out quality inspection.Helix adopts the high density colored polythene material identical with the outer colored PE color of cable body, and diameter is Ф 5mm.
For obtaining the little optimum efficiency of anti-wind, rain and vibration and air resistance coefficient simultaneously, the pitch of getting single helix during making is 8 times of drag-line diameters, and the helix height of projection is 2mm.
2. wire blanking enters production line.
3. the steel wire strand is made
The concentric left-hand of steel tendon is stranded, and outermost layer of steel wire stranding angle is 3 ° ± 0.5 °.
4. wrapped
The steel tendon that strand has been made adds twining package tape, and individual layer overlapping width should be less than 1/3 of bandwidth.Lapping layer is answered neat densification, does not have damaged.
5. extrusion molding, the winding screw rib
Squeeze the two sheaths of the colored PE of black PE+ outside wrapped steel tendon, sheath should closely wrap up.After the steel tendon extrusion molding is finished, winding screw rib before the PE cooling.Article two, helix twines simultaneously, and the preceding line speed of drag-line is adjusted the velocity of rotation of winding disc during according to extrusion molding, and making helix twine pitch is 8 times cable body external diameter, and should twine evenly.After twining and finish, helix highly is 2mm.
6. mark cuts off
7. system anchor
8. super stretch-draw
9. pack
Bifilar helix diameter to pitch 8D (annotate: D is the drag-line diameter) is two kinds of drag-lines of 2mm and 4mm, and the resistance coefficient under different angle, under the different wind speed is all less than 0.8.
In the wind tunnel test condition, the rain making rain that has carried out the bifilar helix drag-line the shake test, aerodynamic Measures damping of test, artificial waterline rain of shaking tested and artificial waterline drag-line and aerodynamic Measures dynamometer check etc., the mechanism of rain wind induced vibration and quiet, the dynamic characteristics of aerodynamic Measures are studied, final result shows: adopt the aerodynamics vibration reducing measure of bifilar helix can effectively suppress rain wind induced vibration, can guarantee that the air resistance coefficient of drag-line under design wind speed satisfies code requirement (Cd≤0.8) simultaneously.Big more its resistance coefficient of the helix diameter of helix drag-line is big more.Big more its resistance coefficient of the pitch of helix drag-line is more little.The aerodynamic Measures drag-line is greater than the resistance coefficient of light rope as a rule.Resistance coefficient increases with the increase of drag-line inclination angle (absolute value), has monotonicity.
Rain wind induced vibration has great destructiveness, harmfulness to suspension cable, and double spiral wind-rain resistant double spiral wind-rain resistant that the drag-line preparation method the obtains drag-line that shakes that shakes is a kind ofly can effectively suppress the Cable Structure product that wind and rain shakes.
The invention provides a kind of method of manufacturing this product, simple effectively, easy operating, solved helix extrude sheath rotation, seal, heat, a series of technological difficulties such as high temperature resistant, helix moulding, be applicable to batch production production.
Claims (5)
1. the preparation method of a wind-rain resistant vibration damping inhaul cable with two spiral lines is characterized in that, comprises the steps:
(1) choose high-strength galvanized steel wire, spiral rib, helix, helix adopt the high density colored polythene material identical with the outer colored PE color of cable body, and diameter is Φ 5mm;
(2) wire blanking, strand system steel wire, the concentric left-hand of steel tendon is stranded;
(3) twist the steel tendon of having made and add twining package tape, individual layer overlapping width should be less than 1/3 of bandwidth, and lapping layer is answered neat densification, does not have damaged;
(4) extrusion molding, the winding screw rib squeezes the two sheaths of black PE and colored PE outside wrapped steel tendon, and sheath should closely wrap up; After the steel tendon extrusion molding is finished, winding screw rib before the PE cooling; Article two, helix twines simultaneously, and the preceding line speed of drag-line is adjusted the velocity of rotation of winding disc during according to extrusion molding, and making helix twine pitch is 8 times cable body external diameter, and should twine evenly;
(5) mark cuts off, system anchor, super stretch-draw, packing.
2. the preparation method of wind-rain resistant vibration damping inhaul cable with two spiral lines as claimed in claim 1 is characterized in that, described step (1), the pitch of getting single helix during making are 8 times of drag-line diameters, and the helix height of projection is 2mm.
3. the preparation method of wind-rain resistant vibration damping inhaul cable with two spiral lines as claimed in claim 1 is characterized in that, is two all drag-lines of 2mm and 4mm to the bifilar helix diameter of choosing pitch 8D, and the resistance coefficient under different angle, under the different wind speed is all less than 0.8.
4. the preparation method of wind-rain resistant vibration damping inhaul cable with two spiral lines as claimed in claim 1 is characterized in that, described step (2), and outermost layer of steel wire stranding angle is 3 ° ± 0.5 °.
5. the preparation method of wind-rain resistant vibration damping inhaul cable with two spiral lines as claimed in claim 1 is characterized in that, described step (4) highly is 2mm after helix twines and finishes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100393467A CN101608431A (en) | 2008-06-20 | 2008-06-20 | The preparation method of wind-rain resistant vibration damping inhaul cable with two spiral lines |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2008100393467A CN101608431A (en) | 2008-06-20 | 2008-06-20 | The preparation method of wind-rain resistant vibration damping inhaul cable with two spiral lines |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101608431A true CN101608431A (en) | 2009-12-23 |
Family
ID=41482329
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2008100393467A Pending CN101608431A (en) | 2008-06-20 | 2008-06-20 | The preparation method of wind-rain resistant vibration damping inhaul cable with two spiral lines |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101608431A (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102995559A (en) * | 2012-11-30 | 2013-03-27 | 柳州欧维姆机械股份有限公司 | Durable cable body wound with spiral bar adhesive tapes and manufacturing method of cable body |
| CN106284075A (en) * | 2016-09-23 | 2017-01-04 | 石家庄铁道大学 | Bifilar helix hot extruded polyethylene half parallel steel wire suspension cable and parameter determination method thereof |
| 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 |
| CN112935716A (en) * | 2021-01-29 | 2021-06-11 | 宿迁市邦德金属制品有限公司 | Method for machining double-faced hammering inhaul cable |
-
2008
- 2008-06-20 CN CNA2008100393467A patent/CN101608431A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102995559A (en) * | 2012-11-30 | 2013-03-27 | 柳州欧维姆机械股份有限公司 | Durable cable body wound with spiral bar adhesive tapes and manufacturing method of cable body |
| 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 |
| CN106284075A (en) * | 2016-09-23 | 2017-01-04 | 石家庄铁道大学 | Bifilar helix hot extruded polyethylene half parallel steel wire suspension cable and parameter determination method thereof |
| CN106284075B (en) * | 2016-09-23 | 2018-08-14 | 石家庄铁道大学 | The parameter determination method of half parallel steel wire suspension cable of bifilar helix hot extruded polyethylene |
| CN112935716A (en) * | 2021-01-29 | 2021-06-11 | 宿迁市邦德金属制品有限公司 | Method for machining double-faced hammering inhaul cable |
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| PB01 | Publication | ||
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| C12 | Rejection of a patent application after its publication | ||
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Open date: 20091223 |