CN103147404B - System and method for hanging stay cable at tower end of height limiting cable-stayed bridge - Google Patents

System and method for hanging stay cable at tower end of height limiting cable-stayed bridge Download PDF

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Publication number
CN103147404B
CN103147404B CN201310113076.0A CN201310113076A CN103147404B CN 103147404 B CN103147404 B CN 103147404B CN 201310113076 A CN201310113076 A CN 201310113076A CN 103147404 B CN103147404 B CN 103147404B
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China
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cable
bridge
tower
suspension
hanging
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CN201310113076.0A
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CN103147404A (en
Inventor
马涛
李军堂
张克
万成钢
张瑞霞
姚法海
许佳平
涂满明
刘灿
姚森
黄剑锋
方小林
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China Railway Major Bridge Engineering Group Co Ltd MBEC
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China Railway Major Bridge Engineering Group Co Ltd MBEC
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Abstract

The invention discloses a system and a method for hanging a stay cable at a tower end of a height limiting cable-stayed bridge. The hanging system comprises a cable hanging cradle, a travelling device and a lifting device, wherein the cable hanging cradle is sleeved on a bridge tower; the travelling device comprises a track beam and an electric hoist; the track beam is fixedly arranged on the bottom surface of the cable hanging cradle; the electric hoist is hung on the track beam; parts of the cable hanging cradle, which are positioned on the two sides of the bridge tower, are inconsistent in length, so as to form an unsymmetrical truss structure; the lifting device comprises a winch and a pulley block; the winch is arranged on a bridge floor; the pulley block is fixedly arranged at the top end of the bridge tower; and the winch is connected with the cable hanging cradle through a steel wire rope wound on the pulley block and can control the lifting of the cable hanging cradle. The hanging system has the advantages of simplicity and convenience in operation, complete function, safety, reliability and good construction effect.

Description

Limit for height Tower Column of A Cable Stayed Bridge end suspension cable hang system and method
Technical field
The present invention relates to bridge Construction Technology, what be specifically related to limit for height Tower Column of A Cable Stayed Bridge end suspension cable hangs system and method.
Background technology
In the construction of cable stayed bridge, the conventional hanging cable construction method of suspension cable is: adopt bridge tower tower top suspension bracket and beam face automobile loop wheel machine to coordinate installation, tower top suspension bracket is generally arranged on above king-tower top, utilize the tap of automobile loop wheel machine, beam face hoist engine puts rope, cable is sling by tower top suspension bracket, by guide chain inside and outside tower and the acting in conjunction of tower top suspension bracket, completes the installation of tower end suspension cable.And for some construction operation limit for height height only higher than the special operation condition of tower top 2m, conventional tower top suspension bracket and automobile loop wheel machine construction method cannot realize.
Summary of the invention
Technical problem to be solved by this invention is the problem that the conventional tower top suspension bracket of solution and automobile loop wheel machine construction method cannot complete hanging cable of stay cable construction in limit for height situation.
In order to solve the problems of the technologies described above, what the technical solution adopted in the present invention was to provide a kind of limit for height Tower Column of A Cable Stayed Bridge end suspension cable hangs system, and comprise hanging cable suspension bracket, running gear and jack up unit, described hanging cable suspension bracket is set on bridge tower; Described running gear comprises rail beam and electric block, described rail beam is fixed on the bottom surface of described hanging cable suspension bracket, described electric block is suspended on described rail beam, and the partial-length that described hanging cable suspension bracket is positioned at bridge tower both sides is inconsistent, forms asymmetric trussed construction; Described jack up unit comprises hoist engine and tackle pulley, and described hoist engine is arranged on bridge floor, and described tackle pulley is fixed on the top of bridge tower, and described hoist engine is elevated by being connected around the wire rope in described tackle pulley with described hanging cable suspension bracket and controlling it.
Hang in system above-mentioned, described hanging cable suspension bracket comprises main bearing beam, described main bearing beam is the trussed construction be made up of forward and backward two panels main couple, upper lateral connection system and described rail beam, described hanging cable suspension bracket is provided with the longitudinal hole suitable with bridge tower, by described longitudinal hole, described hanging cable suspension bracket to be arranged with on bridge tower and can along bridge tower vertically movement.
Hang in system above-mentioned, described hanging cable suspension bracket is provided with the support bracket for being fixed on by hanging cable suspension bracket on bridge tower.
Hang in system above-mentioned, also comprise the Simple slide way be arranged on bridge floor.
Present invention also offers and a kind ofly apply the method that the above-mentioned system that hangs hangs limit for height Tower Column of A Cable Stayed Bridge end suspension cable, comprise the following steps:
A10, at bridge floor place around bridge tower integral assembling hanging cable suspension bracket, and running gear and jack up unit are installed;
A20, jack up unit is utilized hanging cable suspension bracket to be promoted to the corresponding height position of bridge tower and to be fixed on bridge tower;
A30, utilize running gear to sling to installation site by suspension cable, complete the hanging cable of suspension cable at bridge tower end;
A40, on bridge floor, complete the hanging cable of stay cable of beam-ends;
A50, it is made to put in place at bridge tower end tractive suspension cable;
A60, on bridge floor, tractive suspension cable makes its stretch-draw to builder's tonnage.
In the above-mentioned methods, the concrete steps of steps A 30 are as follows:
A301, suspension cable put into rope frame and at its end pass line bucket tool, the Simple slide way for reducing friction is set on bridge floor simultaneously;
A302, by cord clip suspender clamping on electric block, suspension cable is placed on Simple slide way, utilizes electric block to be sling one end of suspension cable to the corresponding height position of bridge tower;
The anchor cup of A303, extraction bridge tower end, anchor cup installs drawing head and cord clip successively;
A304, cord clip to be connected with cord clip suspender, to complete the hanging cable of suspension cable bridge tower end.
The method hanging limit for height Tower Column of A Cable Stayed Bridge end suspension cable provided by the invention, easy and simple to handle, multiple functional, safe and reliable, construction effect is good.
Accompanying drawing explanation
Fig. 1 be limit for height Tower Column of A Cable Stayed Bridge end suspension cable provided by the invention hang system schematic;
Fig. 2 is the top view of hanging cable suspension bracket in the present invention;
Fig. 3 is the central structure schematic diagram of hanging cable suspension bracket in the present invention;
Fig. 4 is the lateral view of hanging cable suspension bracket in the present invention.
Detailed description of the invention
The object of the present invention is to provide a kind of easy to operate, safe and reliable stay cable of cable-stayed bridge hanging cable construction system and method, during for operating highly not enough directly over bridge tower top, completing construction.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, what first the invention provides a kind of limit for height Tower Column of A Cable Stayed Bridge end suspension cable hangs system, comprises hanging cable suspension bracket, running gear and jack up unit.
Hanging cable suspension bracket is trussed construction, strengthens the resistance to overturning of hanging cable suspension bracket.Hanging cable suspension bracket comprises the main bearing beam be made up of forward and backward two panels main couple, every sheet main couple is welded by upper chord 21, lower chord 22, montant 23 and brace 24, the end face of main bearing beam is welded with lateral connection system 11, bottom surface is welded with the crossbeam 12 for fixing running gear, crossbeam 12 both can as the lower lateral connection system of trussed construction, again can as load bearing cross beam, the two unites two into one, and the suspension cable 2 of main bearing beam and bridge tower 1 both sides is positioned at same perpendicular.
Hanging cable suspension bracket has the through hole suitable with bridge tower 1, to be arranged with on bridge tower 1 by longitudinal hole hanging cable suspension bracket and can along bridge tower vertically movement, the partial-length that hanging cable suspension bracket is positioned at longitudinal hole both sides is in the longitudinal direction inconsistent, form asymmetric trussed construction, enter the installation of cable guide pipe 20 with the suspension cable 2 adapting to differing heights position from top to bottom, bridge tower 1 both sides.
Hanging cable suspension bracket being fixed with the support bracket 13 for being fixed on bridge tower 1, supporting bracket 13 and be four and be arranged on four summits of quadrangle, support four bights that bracket 13 is weldingly fixed on bridge tower 1.
Running gear comprises rail beam 31 and electric block 32, and rail beam 31 is welded in main bearing beam, and electric block 32 is suspended on rail beam 31.
Jack up unit comprises hoist engine 3 and tackle pulley 4, and hoist engine 3 is arranged on bridge floor, and tackle pulley 4 is fixed on the top of bridge tower 1, and hoist engine 3 is elevated by being connected around the wire rope in tackle pulley 4 with hanging cable suspension bracket and controlling it.
Bridge floor is also provided with for reducing the Simple slide way rubbed.
Present invention also offers and a kind ofly apply the method that the above-mentioned system that hangs hangs limit for height Tower Column of A Cable Stayed Bridge end suspension cable, comprise the following steps:
A10, at bridge floor place around bridge tower integral assembling hanging cable suspension bracket, and running gear and jack up unit are installed;
A20, jack up unit is utilized hanging cable suspension bracket to be promoted to the corresponding height position of bridge tower 1 and to be fixed on bridge tower 1;
A30, utilize running gear to sling to installation site by suspension cable, complete the hanging cable of suspension cable 2 at bridge tower end;
The concrete steps of steps A 30 are as follows:
A301, suspension cable 2 put into rope frame 5 and at its end pass line bucket tool, the Simple slide way for reducing friction is set on bridge floor simultaneously;
A302, by cord clip suspender clamping on electric block 32, suspension cable 2 is placed on Simple slide way, utilizes electric block 32 to be sling one end of suspension cable 2 to the corresponding height position of bridge tower 1;
The anchor cup (not shown) of A303, extraction bridge tower end, ensures that anchor cup is outside conduit, and anchor cup is installed drawing head and cord clip (not shown) successively;
A304, cord clip to be connected with cord clip suspender, to complete the hanging cable of suspension cable bridge tower end.
A40, on bridge floor, complete the hanging cable of stay cable of beam-ends;
A50, it is made to put in place at bridge tower end tractive suspension cable;
A60, on bridge floor, tractive suspension cable makes its stretch-draw to builder's tonnage.
Due to aviation limit for height, conventional tower crane or tower top suspension bracket cannot be constructed, and the present invention adopts and hanging cable suspension bracket is arranged in bridge tower 1 both sides, and hanging cable suspension bracket adopts asymmetric trussed construction, to adapt to the installation that diverse location place, bridge tower 1 both sides suspension cable 2 enters cable guide pipe 20.Hanging cable Hang frame structure in the present invention is simple, clearly stressed, and the method that hangs of limit for height Tower Column of A Cable Stayed Bridge end suspension cable is a kind of easy and simple to handle, multiple functional, safe and reliable hanging cable construction method, and construction effect is good.
The present invention is not limited to above-mentioned preferred forms, and anyone should learn the structure change made under enlightenment of the present invention, and every have identical or close technical scheme with the present invention, all falls within protection scope of the present invention.

Claims (6)

1. limit for height Tower Column of A Cable Stayed Bridge end suspension cable hang system, it is characterized in that, comprising:
Hanging cable suspension bracket, is set on bridge tower;
Running gear, comprise rail beam and electric block, described rail beam is fixed on the bottom surface of described hanging cable suspension bracket, and described electric block is suspended on described rail beam, and the length that described hanging cable suspension bracket is positioned at bridge tower two side portions is inconsistent, forms asymmetric trussed construction;
Jack up unit, comprises hoist engine and tackle pulley, and described hoist engine is arranged on bridge floor, and described tackle pulley is fixed on the top of bridge tower, and described hoist engine is elevated by being connected around the wire rope in described tackle pulley with described hanging cable suspension bracket and controlling it.
2. limit for height Tower Column of A Cable Stayed Bridge end suspension cable as claimed in claim 1 hang system, it is characterized in that, described hanging cable suspension bracket comprises main bearing beam, described main bearing beam is the trussed construction be made up of forward and backward two panels main couple, upper lateral connection system and described rail beam, described hanging cable suspension bracket is provided with the longitudinal hole suitable with bridge tower, by described longitudinal hole, described hanging cable suspension bracket to be arranged with on bridge tower and can along bridge tower vertically movement.
3. limit for height Tower Column of A Cable Stayed Bridge end suspension cable as claimed in claim 1 hang system, it is characterized in that, described hanging cable suspension bracket is provided with the support bracket for being fixed on by hanging cable suspension bracket on bridge tower.
4. limit for height Tower Column of A Cable Stayed Bridge end suspension cable as claimed in claim 1 hang system, it is characterized in that, also comprise the Simple slide way be arranged on bridge floor.
5. application hangs the method that system hangs limit for height Tower Column of A Cable Stayed Bridge end suspension cable as claimed in claim 1, it is characterized in that, comprises the following steps:
A10, at bridge floor place around bridge tower integral assembling hanging cable suspension bracket, and running gear and jack up unit are installed;
A20, jack up unit is utilized hanging cable suspension bracket to be promoted to the corresponding height position of bridge tower and to be fixed on bridge tower;
A30, utilize running gear to sling to installation site by suspension cable, complete the hanging cable of suspension cable at bridge tower end;
A40, on bridge floor, complete the hanging cable of stay cable of beam-ends;
A50, it is made to put in place at bridge tower end tractive suspension cable;
A60, on bridge floor, tractive suspension cable makes its stretch-draw to builder's tonnage.
6. hang the method for limit for height Tower Column of A Cable Stayed Bridge end suspension cable as claimed in claim 5, it is characterized in that, the concrete steps of steps A 30 are as follows:
A301, suspension cable put into rope frame and at its end pass line bucket tool, the Simple slide way for reducing friction is set on bridge floor simultaneously;
A302, by cord clip suspender clamping on electric block, suspension cable is placed on Simple slide way, utilizes electric block to be sling one end of suspension cable to the corresponding height position of bridge tower;
The anchor cup of A303, extraction bridge tower end, anchor cup installs drawing head and cord clip successively;
A304, cord clip to be connected with cord clip suspender, to complete the hanging cable of suspension cable bridge tower end.
CN201310113076.0A 2013-04-02 2013-04-02 System and method for hanging stay cable at tower end of height limiting cable-stayed bridge Active CN103147404B (en)

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Application Number Priority Date Filing Date Title
CN201310113076.0A CN103147404B (en) 2013-04-02 2013-04-02 System and method for hanging stay cable at tower end of height limiting cable-stayed bridge

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Application Number Priority Date Filing Date Title
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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104762880B (en) * 2015-05-03 2016-08-31 朱玉新 The bridge dragline structure of a kind of improvement and hang method
CN105019364B (en) * 2015-08-04 2017-11-21 武船重型工程股份有限公司 A kind of head tower slides vertical transfer method
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
CN111979916B (en) * 2019-12-31 2021-09-14 中铁十一局集团第一工程有限公司 Cable-stayed bridge tower part suspension construction method and suspension operation platform device

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JPH0820910A (en) * 1994-07-05 1996-01-23 Kajima Corp Construction method of pc cable stayed bridge
CN1122742C (en) * 1998-11-09 2003-10-01 柳州欧维姆建筑机械有限公司 Method and system for suspending oblique guys of cable stayed bridge
JP4082688B2 (en) * 2004-01-14 2008-04-30 北海道開発局帯広開発建設部長 Cable cable snow removal equipment for cable stayed bridges
CN201272942Y (en) * 2008-12-22 2009-07-15 湖南路桥建设集团公司 Mounting angle regulation apparatus for stay cable column end of stayed-cable bridge
CN101476294B (en) * 2009-01-22 2010-10-27 四川公路桥梁建设集团有限公司 Mounting method for underbeam segment of large-stride steel box girder stayed-cable bridge
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
CN102444086B (en) * 2011-10-14 2014-04-02 中铁大桥局股份有限公司 Cable hanging system for inclined stay cable of bridge and cable hanging method for inclined stay cable of bridge

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