CN1122742C - Method and system for suspending oblique guys of cable stayed bridge - Google Patents
Method and system for suspending oblique guys of cable stayed bridge Download PDFInfo
- Publication number
- CN1122742C CN1122742C CN 98121418 CN98121418A CN1122742C CN 1122742 C CN1122742 C CN 1122742C CN 98121418 CN98121418 CN 98121418 CN 98121418 A CN98121418 A CN 98121418A CN 1122742 C CN1122742 C CN 1122742C
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- suspension
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- sliding part
- haulage gear
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Abstract
The present invention relates to a hanging method and a system thereof for a stay cable of a cable-stayed bridge. A guide rope 2 is installed, a slide piece 6 which can slide on the guide rope is arranged on the guide rope, the front end of the stay cable 3 is hung by a first traction mechanism composed of a lifting cable 1, a fixed pulley pair 7 <1> and a lifting device 4, the slide piece is hung by a second traction mechanism composed of a traction cable 5, a fixed pulley pair 7<2> and a manual or mechanical traction device 11, the stay cable 3 can be fixed on the slide piece 6, and the stay cable 3 is hung at a stated position by driving the first traction mechanism and the second traction mechanism. The hanging method solves the problem of sagging and difficult cable hanging because of overweight of twisted steel cables in the cable hanging construction of the longer twisted steel cables.
Description
Technical field
The present invention relates to hanging method and the device of a kind of cable stayed bridge with suspension cable.
Background technology
In the installation of in the past guy of twisted steel cable for cable stayed bridge, generally be with a drag cable, tie steel strand one end for one of this drag cable, the other end of drag cable is connected with hoist engine by two fixed pulleys, starts hoist engine the steel strand traction enhancement is put in place.Oversize as more than 1000 meters the time when drag-line length, guy of twisted steel cable weight reaches more than 1 ton, and the big sag of its weight is also very big, and except that requiring bigger tractive force, steel strand are sagging, with ground friction, easily scratch steel strand surface, and drag-line is installed difficulty.
Summary of the invention
The object of the present invention is to provide a kind of cable stayed bridge hanging method and the suspension with guy of twisted steel cable, this hanging method has solved longer guy of twisted steel cable, and to hang in the rope construction steel strand overweight sagging, scratches and hang the problem of rope difficulty with ground friction.
For reaching above-mentioned purpose, the present invention's cable stayed bridge adopts the sliding part that guide rope, slip mounted thereto on this guide rope are installed with the hanging method of suspension cable, by the front end of first haulage gear suspention suspension cable, hang the method and system of above-mentioned sliding part and movable and fixed pulley and usefulness by second haulage gear.
Its hanging method step comprises:
1) guide rope is installed, the one end is connected with the beam body, the other end makes guide rope be oblique upper to being connected with body of the tower top;
2) sliding part of slip mounted thereto on this guide rope;
3) pass through the front end that first haulage gear suspends suspension cable in midair;
4) hang above-mentioned sliding part by second haulage gear;
5) suspension cable is fixed on the above-mentioned sliding part, the point of suspension of the front end of this fixed point and above-mentioned first haulage gear and suspension cable keeps suitable distance, so that this suspension cable is suspended from specified altitude;
6) drive above-mentioned first and second haulage gears, above-mentioned suspension cable is suspended from assigned position.
The suspension that realizes said method comprises:
Guide rope: the one end is connected with the beam body, the other end along oblique upper to being connected with body of the tower top; Sliding part: it is arranged on the above-mentioned guide rope with sliding type; First haulage gear: it comprises lift cable, and an end of this rope and suspension cable front end M point are fixing; Second haulage gear: it comprises drag cable, and an end of this rope is connected with above-mentioned sliding part; Suspension cable is fixed on the above-mentioned sliding part, and this fixed point and above-mentioned lift cable and suspension cable front end M fixed point keep suitable distance, so that by above-mentioned first haulage gear and second haulage gear suspension cable is suspended from specified altitude.
Above-mentioned sliding part can be one or more movable pulley, and hook is arranged on it, and suspension cable firmly is buckled on the hook.Above-mentioned first haulage gear can also comprise fixed pulley, lifting appliance, and described lift cable one end is walked around fixed pulley, links to each other with described lifting appliance.Above-mentioned second haulage gear can also comprise fixed pulley, artificial or mechanical traction device, and described drag cable one end and sliding part are fixedly linked, and the other end is walked around described fixed pulley and linked to each other with artificial or mechanical traction device.
The present invention's method and system has the following advantages:
1, adopt two haulage gears to act synergistically simultaneously, alleviated construction labour intensity, accelerating construction progress has reduced worker's cost;
2, hook suspension cable with one to a plurality of sliding parts, upwards slide, overcome long overweight steel strand sagging problem along guide line, the one, avoided steel strand stay cable and ground friction by the surface of scratch steel strand, the 2nd, laborsaving.
Description of drawings
Fig. 1: be the suspension structure signal of cable stayed bridge of the present invention with suspension cable.
The specific embodiment
Below in conjunction with drawings and Examples the present invention's cable stayed bridge hanging method and the suspension with suspension cable is described further.
Embodiment:
As shown in Figure 1, cable stayed bridge of the present invention comprises with the suspension of suspension cable:
Guide rope 2, the one end is connected with beam body 10, the other end along oblique upper to being connected with body of the tower 8 tops;
Sliding part 6: it is arranged on the above-mentioned guide rope 2 with sliding type;
First haulage gear comprises lift cable 1, fixed pulley 7
1, lifting appliance 4, lift cable 1 one ends and suspension cable 3 front end M points are fixing, the other end is walked around fixed pulley 7
1, link to each other with lifting appliance 4;
Second haulage gear comprises drag cable 5, fixed pulley 7
2, artificial or mechanical traction device 11, drag cable 5 one ends are fixedly linked with the sliding part 6 of band hook, the other end is walked around fixed pulley 7
2, link to each other with artificial or mechanical traction device 11.
The step of its hanging method comprises:
1) guide rope 2 is installed, the one end is connected with beam body 10, the other end makes guide rope 2 be oblique upper to being connected with body of the tower 8 tops;
2) sliding part 6 of slip mounted thereto on this guide rope 2;
3) lift cable 1 one ends are fixed with being raised steel strand stay cable 3 front end M points, the other end is walked around fixed pulley 7
1, link to each other with lifting appliance 4.
4) be fixedly linked with the sliding part 6 of drag cable 5 one ends with the band hook, the other end is walked around fixed pulley pair 7
2, link to each other with artificial or mechanical traction device 11.
5) suspension cable 3 is buckled in the hook of sliding part 6;
6) start hoist engine 4 and pull suspension cable 3 risings by lift cable 1, when 3 one of suspension cables rise to 9 aperture following times of anchor hole, constructor on working platform 12 drives sliding part 6 hooks with artificial or mechanical traction device 11 tractive drag cables 5 and suspension cable 3 risings, and suspension cable 3 is penetrated in the anchor hole 9 smoothly.
Claims (5)
1, a kind of cable stayed bridge hanging method of suspension cable, its step comprises:
1) guide rope (2) is installed, the one end is connected with beam body (10), the other end makes guide rope (2) be oblique upper to being connected with body of the tower (8) top;
2) sliding part (6) of slip mounted thereto on this guide rope (2);
3) pass through the front end that first haulage gear suspends suspension cable (3) in midair;
4) hang above-mentioned sliding part (6) by second haulage gear;
5) suspension cable (3) is fixed on the above-mentioned sliding part (6), the point of suspension of the front end of this fixed point and above-mentioned first haulage gear and suspension cable (3) keeps suitable distance, so that this suspension cable (3) is suspended from specified altitude;
6) drive above-mentioned first and second haulage gears, above-mentioned suspension cable (3) is suspended from assigned position.
2, realize the suspension of the described method of claim 1, comprising:
Guide rope (2): the one end is connected with beam body (10), the other end along oblique upper to being connected with body of the tower (8) top;
Sliding part (6): it is arranged on the above-mentioned guide rope (2) with sliding type;
First haulage gear: it comprises lift cable (1), and an end of this rope and suspension cable (3) front end M point are fixing;
Second haulage gear: it comprises drag cable (5), and an end of this rope is connected with above-mentioned sliding part (6);
Suspension cable (3) is fixed on the above-mentioned sliding part (6), and this fixed point and above-mentioned lift cable (1) keep suitable distance with suspension cable (3) front end M fixed point, so that by above-mentioned first haulage gear and second haulage gear suspension cable (3) is suspended from specified altitude.
3, suspension as claimed in claim 2 is characterized in that: described sliding part (6) is one or more movable pulley, and hook is arranged on it, and suspension cable (3) firmly is buckled on the hook.
4, as claim 2 or 3 described suspension, it is characterized in that: described first haulage gear also comprises fixed pulley (7
1), lifting appliance (4), described lift cable (1) one end is walked around fixed pulley (7
1), link to each other with described lifting appliance (4).
5, suspension as claimed in claim 3 is characterized in that: described second haulage gear also comprises fixed pulley (7
2), artificial or mechanical traction device (11), described drag cable (5) one ends and sliding part (6) are fixedly linked, the other end is walked around described fixed pulley (7
2) link to each other with artificial or mechanical traction device (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98121418 CN1122742C (en) | 1998-11-09 | 1998-11-09 | Method and system for suspending oblique guys of cable stayed bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 98121418 CN1122742C (en) | 1998-11-09 | 1998-11-09 | Method and system for suspending oblique guys of cable stayed bridge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1253197A CN1253197A (en) | 2000-05-17 |
| CN1122742C true CN1122742C (en) | 2003-10-01 |
Family
ID=5227088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 98121418 Expired - Fee Related CN1122742C (en) | 1998-11-09 | 1998-11-09 | Method and system for suspending oblique guys of cable stayed bridge |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1122742C (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101967796A (en) * | 2010-09-19 | 2011-02-09 | 湖南路桥建设集团公司 | Method for arranging parallel steel wire stay cable |
| CN101177931B (en) * | 2007-12-05 | 2011-08-10 | 中铁大桥局股份有限公司 | Erection of gantry type small-cycle traction system on large-span suspension bridge main cable |
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101725114B (en) * | 2009-12-08 | 2011-06-29 | 中铁大桥(郑州)缆索有限公司 | Method for hoisting hawser of long-span cable-stayed bridge and equipment thereof |
| CN102121231B (en) * | 2010-12-31 | 2015-05-06 | 上海浦江缆索股份有限公司 | Direct cable weaving and hanging method for cable strand of suspension bridge |
| CN103147404B (en) * | 2013-04-02 | 2015-02-11 | 中铁大桥局集团有限公司 | System and method for hanging stay cable at tower end of height limiting cable-stayed bridge |
| CN104452594B (en) * | 2014-11-05 | 2016-08-10 | 武汉二航路桥特种工程有限责任公司 | Many fulcrums dragline method changes rope device |
| CN105155426B (en) * | 2015-09-30 | 2017-01-25 | 中铁港航局集团有限公司 | Method for combining cable-stayed bridge deck cable unreeling manner and air cable unreeling manner under condition of limited space |
| CN105401523B (en) * | 2015-09-30 | 2017-03-22 | 中铁港航局集团有限公司 | Hanging mounting method of long heavy stay cable under space limited condition |
| CN105442458B (en) * | 2016-01-29 | 2017-01-11 | 中铁大桥(郑州)缆索有限公司 | Method for hanging and installing stay cable of cable-stayed bridge special-shaped tower pillar |
| CN105672138A (en) * | 2016-03-31 | 2016-06-15 | 中铁四局集团第一工程有限公司 | Through type stayed cable installation circulation system and cable threading construction method thereof |
| CN108149928B (en) * | 2017-12-21 | 2020-05-19 | 中交路桥华南工程有限公司 | Tower end installation method of stay cable |
| CN111101448B (en) * | 2020-01-08 | 2024-08-23 | 中铁大桥(郑州)缆索有限公司 | Quick traction equipment and traction method for stay cable beam end winch |
| CN111636313B (en) * | 2020-06-08 | 2021-10-15 | 柳州欧维姆结构检测技术有限公司 | Installation and maintenance system for bridge inhaul cable brightening engineering and construction method thereof |
| CN113481868B (en) * | 2021-07-30 | 2022-07-26 | 中国建筑第八工程局有限公司 | Cableway positioning device and method with anchor point adjusting structure for cable-stayed bridge |
| CN114525739B (en) * | 2022-03-10 | 2023-10-13 | 中铁十二局集团有限公司 | Long heavy cable hanging installation method for multi-point hanging of under-bridge span cables |
-
1998
- 1998-11-09 CN CN 98121418 patent/CN1122742C/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101177931B (en) * | 2007-12-05 | 2011-08-10 | 中铁大桥局股份有限公司 | Erection of gantry type small-cycle traction system on large-span suspension bridge main cable |
| CN101967796A (en) * | 2010-09-19 | 2011-02-09 | 湖南路桥建设集团公司 | Method for arranging parallel steel wire stay cable |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1253197A (en) | 2000-05-17 |
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