CN102051829A - Method for twining double helix line of inhaul cable having wind-rain induced vibration resistance - Google Patents
Method for twining double helix line of inhaul cable having wind-rain induced vibration resistance Download PDFInfo
- Publication number
- CN102051829A CN102051829A CN200910197987XA CN200910197987A CN102051829A CN 102051829 A CN102051829 A CN 102051829A CN 200910197987X A CN200910197987X A CN 200910197987XA CN 200910197987 A CN200910197987 A CN 200910197987A CN 102051829 A CN102051829 A CN 102051829A
- Authority
- CN
- China
- Prior art keywords
- line
- drag
- steel wire
- wind
- screw
- 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
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
Landscapes
- Ropes Or Cables (AREA)
Abstract
The invention relates to a method for twining a double helix line of an inhaul cable, in particular to a method for twining the double helix line of the inhaul cable having wind-rain induced vibration resistance. The double helix line comprises a steel wire, a helix rib and helix lines, wherein the twining method comprises the steps: (1) choosing the high-intensity zinc plated steel wire, helix rib and helix line, wherein the helix line is made of high-intensity colored polyethylene materials having the same color as the PE color of an inhaul cable jacket layer, and the diameter of the helix line is phi 5mm or phi 8mm based on the concrete outer diameter of the inhaul cable, (2) twisting the steel wire, wherein the steel wire bundle is concentrically twisted towards the left side, (3) wrapping, and (4) extrusion molding: wrapping the helix rib, extruding a black PE and colored PE double jacket layer outside of the wrapped steel wire bundle, wherein the jacket layer is tightly wrapped on the steel wire bundle; after finishing the extrusion molding, the helix rib is wrapped before cooling the PE of the double jacket layer; and two helix lines are wrapped at the same time. The inhaul cable prepared by using the twining method provided by the invention can efficiently resist wind-rain induced vibration so as to ensure the safety of bridges.
Description
Technical field
The present invention relates to the cable manufacturing, relate in particular to a kind of drag-line screw line winding method.
Background technology
Rain wind induced vibration is to descend in the acting in conjunction of wind and rain, and a kind of fierceness that drag-line can take place is significantly vibrated, and during serious vibration, adjacent two drag-lines can bump.Inhaul cable vibration can cause bitter end joint fatigue, destroy the anti-corrosion system of rope, and the serious drag-line that also can cause lost efficacy.The vibration of drag-line also can cause the uncomfortable of pedestrian, the security 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 part, a kind of anti-wind, rain and vibration drag-line bifilar helix winding method is provided.Drag-line that winding method of the present invention can be produced can be able to effectively suppress wind and rain and shake, and prolongs drag-line service life, guarantees the safety of bridge.
To achieve these goals, the present invention adopts following technical scheme: a kind of anti-wind, rain and vibration drag-line bifilar helix winding method, and it comprises steel wire, spiral rib and screw line, described winding method comprises:
Step (1) is chosen high-strength galvanized steel wire, and spiral rib, screw line, screw line adopt the high density colored polythene material identical with the colored PE color of drag-line sheath, and the diameter of screw line is selected the screw line of Φ 5mm or Φ 8mm according to the external diameter of concrete drag-line;
Step (2) strand system steel wire, the concentric left-hand of steel tendon is stranded;
Step (3) is wrapped, and the neat densification of lapping layer does not have damaged;
Step (4) extrusion molding, the winding screw rib squeezes the two sheaths of black PE and colored PE outside wrapped steel tendon, and sheath closely is wrapped on the steel tendon; After the steel tendon extrusion molding is finished, winding screw rib before two sheath PE coolings; Article two, screw line twines simultaneously.
Described a kind of anti-wind, rain and vibration drag-line bifilar helix winding method, described step (2) strand is made in the steel wire, and specifically twist the system method and be: the concentric left-hand of steel tendon is stranded, and outermost layer of steel wire stranding angle is 3 ° ± 0.5 °.
The steel tendon that strand has been made in the described a kind of anti-wind, rain and vibration drag-line bifilar helix winding method, described step (3) adds twining package tape, and individual layer overlapping width is less than 1/3 of bandwidth.
Described a kind of anti-wind, rain and vibration drag-line bifilar helix winding method, steel tendon extrusion molding described in the described step (4): after extrusion molding is finished, uniform winding spiral rib before the PE cooling, article two, screw line twines simultaneously, pitch is identical, and the drag-line external diameter is not more than Φ 200mm, and the height of projection of screw line is 2mm, the drag-line external diameter is greater than Φ 200mm, and the height of projection of screw line is 4mm.
Described a kind of anti-wind, rain and vibration drag-line bifilar helix winding method, the spiral rib described in step (1) or (4): the spiral bar strip material is consistent with two sheath PE, treat sheath PE cooling after, both are combined into one.
Rain wind induced vibration has great destructiveness, harmfulness to drag-line, and the bifilar helix drag-line that obtains with the winding method of bifilar helix drag-line of the present invention 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, effectively simple, easy operating, solved screw line extrude sheath rotation, seal, heat, a series of technological difficulties such as high temperature resistant, screw line moulding, can effectively suppress wind and rain and shake and bring the destruction of drag-line, can increase the service life of drag-line greatly.
The specific embodiment
A kind of anti-wind, rain and vibration drag-line bifilar helix winding method, it comprises steel wire, spiral rib and screw line, described winding method comprises:
1. choose high-strength galvanized steel wire and spiral rib, and carry out quality inspection.Screw line adopts the high density colored polythene material identical with the outer colored PE color of cable body, it is fixed that the diameter of screw line should come according to the external diameter of concrete drag-line, the drag-line external diameter is not more than Φ 200mm, choose the screw line of Φ 5mm diameter, the drag-line external diameter is chosen the screw line of Φ 8mm diameter greater than Φ 200mm.
For obtaining the little optimum efficiency of anti-wind, rain and vibration and air resistance coefficient simultaneously, the pitch of getting single screw line during making is 6-10 times of drag-line diameter.
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, screw line twines simultaneously, the preceding line speed of drag-line is adjusted the velocity of rotation of winding disc during according to extrusion molding, making screw line twine pitch is 8 times cable body external diameter, and should twine evenly, when the drag-line external diameter is not more than Φ 200mm, the height of projection of screw line is 2mm, when the drag-line external diameter greater than Φ 200mm, the height of projection of screw line is 4mm.
6. mark cuts off
7. system anchor
8. super stretch-draw
9. pack
Bifilar helix diameter to pitch 6-10D (annotate: D is the drag-line diameter) is two kinds of drag-lines of 5mm and 8mm, 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 screw line diameter of screw line drag-line is big more.Big more its resistance coefficient of the pitch of screw line 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.
Claims (5)
1. anti-wind, rain and vibration drag-line bifilar helix winding method, it comprises steel wire, and spiral rib and screw line is characterized in that, and described winding method comprises:
Step (1) is chosen high-strength galvanized steel wire, and spiral rib, screw line, screw line adopt the high density colored polythene material identical with the colored PE color of drag-line sheath, and the diameter of screw line is selected the screw line of Ф 5mm or Ф 8mm according to the external diameter of concrete drag-line;
Step (2) strand system steel wire, the concentric left-hand of steel tendon is stranded;
Step (3) is wrapped, and the neat densification of lapping layer does not have damaged;
Step (4) extrusion molding, the winding screw rib squeezes the two sheaths of black PE and colored PE outside wrapped steel tendon, and sheath closely is wrapped on the steel tendon; After the steel tendon extrusion molding is finished, winding screw rib before two sheath PE coolings; Article two, screw line twines simultaneously.
2. a kind of anti-wind, rain and vibration drag-line bifilar helix winding method as claimed in claim 1 is characterized in that, described step (2) strand is made in the steel wire, and specifically twist the system method and be: the concentric left-hand of steel tendon is stranded, and outermost layer of steel wire stranding angle is 3 ° ± 0.5 °.
3. a kind of anti-wind, rain and vibration drag-line bifilar helix winding method as claimed in claim 1 is characterized in that, the steel tendon that strand has been made in the described step (3) adds twining package tape, and individual layer overlapping width is less than 1/3 of bandwidth.
4. a kind of anti-wind, rain and vibration drag-line bifilar helix winding method as claimed in claim 1, it is characterized in that, steel tendon extrusion molding described in the described step (4): after extrusion molding is finished, uniform winding spiral rib before the PE cooling, two screw linees twine simultaneously, and pitch is identical, the drag-line external diameter is not more than Ф 200mm, the height of projection of screw line is 2mm, and the drag-line external diameter is greater than Ф 200mm, and the height of projection of screw line is 4mm.
5. a kind of anti-wind, rain and vibration drag-line bifilar helix winding method as claimed in claim 1 is characterized in that the spiral rib described in step (1) or (4): the spiral bar strip material is consistent with two sheath PE, treat sheath PE cooling after, both are combined into one.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910197987XA CN102051829A (en) | 2009-10-30 | 2009-10-30 | Method for twining double helix line of inhaul cable having wind-rain induced vibration resistance |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200910197987XA CN102051829A (en) | 2009-10-30 | 2009-10-30 | Method for twining double helix line of inhaul cable having wind-rain induced vibration resistance |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102051829A true CN102051829A (en) | 2011-05-11 |
Family
ID=43956606
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200910197987XA Pending CN102051829A (en) | 2009-10-30 | 2009-10-30 | Method for twining double helix line of inhaul cable having wind-rain induced vibration resistance |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102051829A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN112878075A (en) * | 2020-08-26 | 2021-06-01 | 国际竹藤中心 | Continuous bamboo fiber complete equipment |
| CN114775316A (en) * | 2022-01-24 | 2022-07-22 | 马书霞 | Manufacturing equipment and manufacturing process of new energy automobile clutch stay wire |
-
2009
- 2009-10-30 CN CN200910197987XA patent/CN102051829A/en active Pending
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN112878075A (en) * | 2020-08-26 | 2021-06-01 | 国际竹藤中心 | Continuous bamboo fiber complete equipment |
| CN114775316A (en) * | 2022-01-24 | 2022-07-22 | 马书霞 | Manufacturing equipment and manufacturing process of new energy automobile clutch stay wire |
| CN114775316B (en) * | 2022-01-24 | 2024-02-27 | 湖南永泰汽车零部件制造有限公司 | Manufacturing equipment and manufacturing process of clutch stay wire of new energy automobile |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102587279B (en) | Steel strand finished stay cable and manufacturing method thereof | |
| CN104937466B (en) | Bound film for fiber optic cables | |
| EP2473669B1 (en) | Synthetic rope for powered blocks and methods for production | |
| CN102535336B (en) | Composite prestressed bar finished guy cable and manufacturing method thereof | |
| JP2002235291A (en) | Individually protected strand, and its manufacturing process | |
| EA201270123A1 (en) | METAL CABLE WITH THREE RUBBER-INSED INSERTS LAYERS THAT HAS A STRUCTURE OF TYPE 3 + M + N | |
| CN108550428B (en) | High-performance waterproof cable and preparation method thereof | |
| WO2021164230A1 (en) | Non-metallic armored submarine cable | |
| CN202758651U (en) | Photoelectric composite medium-voltage reel cable with rated voltage of 3.6/6kV-12/20kV | |
| CN102051829A (en) | Method for twining double helix line of inhaul cable having wind-rain induced vibration resistance | |
| CN101608431A (en) | The preparation method of wind-rain resistant vibration damping inhaul cable with two spiral lines | |
| CN208240378U (en) | A kind of high performance water proof cable | |
| RU2009120577A (en) | MULTI-STRAIN STEEL WIRE ROPE | |
| KR102713044B1 (en) | Method for manufacturing steel cord | |
| CN203741716U (en) | Cracking-preventing guy cable strand with fiber mesh protection layer | |
| CN105355260B (en) | Cable for tower and manufacturing method of cable | |
| CN108035254A (en) | Carbon fiber cable-cabin structure | |
| CN107731356A (en) | A kind of tension rat-and-ant proof blocks water low-voltage cable | |
| CN204530292U (en) | Bridge is with filling integral type anticorrosion parallel wire stay cable body | |
| CN216474216U (en) | Impact-resistant carbon fiber inhaul cable body | |
| JPS58105109A (en) | Aerial wire attached with optical communication wire along said wire | |
| JP2006169714A (en) | High-strength fiber composite material cable | |
| CN110444350B (en) | Manufacturing method of overhead conductor | |
| CN206971083U (en) | A kind of novel durable hot extruded polyethylene steel wire rope straddle-type hoist cable structure | |
| CN220984209U (en) | Steel wire rope composite cable |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20110511 |