CN103147404A - 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 PDFInfo
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- CN103147404A CN103147404A CN2013101130760A CN201310113076A CN103147404A CN 103147404 A CN103147404 A CN 103147404A CN 2013101130760 A CN2013101130760 A CN 2013101130760A CN 201310113076 A CN201310113076 A CN 201310113076A CN 103147404 A CN103147404 A CN 103147404A
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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
Technical field
The present invention relates to bridge Construction Technology, be specifically related to the system and method that hangs of limit for height Tower Column of A Cable Stayed Bridge end suspension cable.
Background technology
In the construction of cable stayed bridge, the conventional hanging cable job practices 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 operated by rotary motion is above king-tower pushes up, utilize the tap of automobile loop wheel machine, beam face hoist engine is put rope, the tower top suspension bracket is sling cable, 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 job practices can't realize.
Summary of the invention
Technical problem to be solved by this invention is the conventional tower top suspension bracket of solution and automobile loop wheel machine job practices can't be completed the hanging cable of stay cable construction in the limit for height situation problem.
In order to solve the problems of the technologies described above, the technical solution adopted in the present invention is to provide a kind of system that hangs of limit for height Tower Column of A Cable Stayed Bridge end suspension cable, comprises hanging cable suspension bracket, running gear and jack up unit, and 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 described hanging cable suspension bracket to be positioned at the partial-length of bridge tower both sides inconsistent, form 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 connected with described hanging cable suspension bracket by the wire rope on described tackle pulley and controls its lifting.
Hang system above-mentioned, described hanging cable suspension bracket comprises main bearing beam, described main bearing beam is the trussed construction that is comprised of forward and backward two main couples, upper horizontal 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 is arranged with on bridge tower and can vertically moves along bridge tower.
Hang system above-mentioned, described hanging cable suspension bracket is provided with for the support bracket that the hanging cable suspension bracket is fixed on bridge tower.
Hang system above-mentioned, also comprise the Simple slide way that is arranged on bridge floor.
The present invention also provides a kind of method that the above-mentioned system that hangs hangs limit for height Tower Column of A Cable Stayed Bridge end suspension cable of using, and comprises the following steps:
A10, at the bridge floor place around bridge tower integral assembling hanging cable suspension bracket, and running gear and jack up unit are installed;
A20, utilize jack up unit that the hanging cable suspension bracket is promoted to the corresponding height position of bridge tower and is fixed on bridge tower;
A30, utilize running gear that suspension cable is sling to the installation site, complete the hanging cable of suspension cable at the bridge tower end;
A40, complete the hanging cable of stay cable of beam-ends on bridge floor;
A50, at bridge tower end tractive suspension cable, it is put in place;
A60, the tractive suspension cable makes its stretch-draw to builder's tonnage on bridge floor.
In said method, the concrete steps of steps A 30 are as follows:
A301, suspension cable is put into the rope frame and at its end pass line bucket tool, be provided for the Simple slide way that reduces friction simultaneously on bridge floor;
A302, with cord clip suspender clamping on electric block, suspension cable is placed on Simple slide way, utilize electric block that one end of suspension cable is sling to the corresponding height position of bridge tower;
The anchor cup of A303, extraction bridge tower end is installed drawing head and cord clip successively on the anchor cup;
A304, cord clip is connected with the cord clip suspender, completes the hanging cable of suspension cable bridge tower end.
The method that hangs 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.
Description of drawings
Fig. 1 is the system schematic that hangs of limit for height Tower Column of A Cable Stayed Bridge end suspension cable provided by the invention;
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.
The specific embodiment
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, when highly not enough for operation directly over bridge tower pushes up, complete construction.
As shown in Figure 1, Figure 2, Figure 3 and Figure 4, at first the invention provides a kind of system that hangs of limit for height Tower Column of A Cable Stayed Bridge end suspension cable, comprise hanging cable suspension bracket, running gear and jack up unit.
The hanging cable suspension bracket is trussed construction, strengthens the resistance to overturning of hanging cable suspension bracket.The hanging cable suspension bracket comprises by forward and backward two main bearing beam that main couple forms, every main couple is welded by upper chord 21, lower chord 22, montant 23 and brace 24, being welded with horizontal connection on the end face of main bearing beam is 11, be welded with on the bottom surface for the fixing crossbeam 12 of running gear, the lower horizontal connection that crossbeam 12 both can be used as trussed construction is, can be used as again load bearing cross beam, both unite two into one, the suspension cable 2 of main bearing beam and bridge tower 1 both sides is positioned at same perpendicular.
Have the through hole suitable with bridge tower 1 on the hanging cable suspension bracket, be arranged with on bridge tower 1 and can vertically move along bridge tower by longitudinal hole hanging cable suspension bracket, it is inconsistent that the hanging cable suspension bracket is positioned at the partial-length of longitudinal hole both sides in the longitudinal direction, form asymmetric trussed construction, to adapt to the suspension cable 2 of the differing heights position installation that enters cable guide pipe 20 from top to bottom of bridge tower 1 both sides.
Be fixed with on the hanging cable suspension bracket be used to the support bracket 13 that is fixed on bridge tower 1, support bracket 13 and be four and be arranged on tetragonal four summits, 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 on 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 connected with the hanging cable suspension bracket by the wire rope on tackle pulley 4 and controls its lifting.
Also be provided be used to the Simple slide way that reduces to rub on bridge floor.
The present invention also provides a kind of method that the above-mentioned system that hangs hangs limit for height Tower Column of A Cable Stayed Bridge end suspension cable of using, and comprises the following steps:
A10, at the bridge floor place around bridge tower integral assembling hanging cable suspension bracket, and running gear and jack up unit are installed;
A20, utilize jack up unit that the hanging cable suspension bracket is promoted to the corresponding height position of bridge tower 1 and is fixed on bridge tower 1;
A30, utilize running gear that suspension cable is sling to the installation site, complete the hanging cable of suspension cable 2 at the bridge tower end;
The concrete steps of steps A 30 are as follows:
A301, suspension cable 2 is put into rope frame 5 and at its end pass line bucket tool, be provided for the Simple slide way that reduces friction simultaneously on bridge floor;
A302, with cord clip suspender clamping on electric block 32, suspension cable 2 is placed on Simple slide way, utilize electric block 32 that an end of suspension cable 2 is sling to the corresponding height position of bridge tower 1;
A303, the anchor cup (not shown) of extracting the bridge tower end out, assurance anchor cup is installed drawing head and cord clip (not shown) successively on the anchor cup outside conduit;
A304, cord clip is connected with the cord clip suspender, completes the hanging cable of suspension cable bridge tower end.
A40, complete the hanging cable of stay cable of beam-ends on bridge floor;
A50, at bridge tower end tractive suspension cable, it is put in place;
A60, the tractive suspension cable makes its stretch-draw to builder's tonnage on bridge floor.
Due to the aviation limit for height, conventional tower crane or tower top suspension bracket can't be constructed, and the present invention adopts the hanging cable suspension bracket is arranged in bridge tower 1 both sides, and the hanging cable suspension bracket adopts asymmetric trussed construction, the installation that enters cable guide pipe 20 to adapt to bridge tower 1 diverse location place, both sides suspension cable 2.Hanging cable Hang frame structure in the present invention is simple, stressed clear and definite, 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 job practices, and construction effect is good.
The present invention is not limited to above-mentioned preferred forms, and anyone should learn the structural change of making under enlightenment of the present invention, and every have identical or close technical scheme with the present invention, within all falling into protection scope of the present invention.
Claims (6)
1. the system that hangs of limit for height Tower Column of A Cable Stayed Bridge end suspension cable, is characterized in that, comprising:
The 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 it is inconsistent that described hanging cable suspension bracket is positioned at the partial-length of bridge tower both sides, 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 connected with described hanging cable suspension bracket by the wire rope on described tackle pulley and controls its lifting.
2. the system that hangs of limit for height Tower Column of A Cable Stayed Bridge end suspension cable as claimed in claim 1, it is characterized in that, described hanging cable suspension bracket comprises main bearing beam, described main bearing beam is the trussed construction that is comprised of forward and backward two main couples, upper horizontal 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 is arranged with on bridge tower and can vertically moves along bridge tower.
3. the system that hangs of limit for height Tower Column of A Cable Stayed Bridge end suspension cable as claimed in claim 1, is characterized in that, described hanging cable suspension bracket is provided with for the support bracket that the hanging cable suspension bracket is fixed on bridge tower.
4. the system that hangs of limit for height Tower Column of A Cable Stayed Bridge end suspension cable as claimed in claim 1, is characterized in that, also comprises the Simple slide way that is arranged on bridge floor.
5. use the method that system hangs limit for height Tower Column of A Cable Stayed Bridge end suspension cable that hangs as claimed in claim 1, it is characterized in that, comprise the following steps:
A10, at the bridge floor place around bridge tower integral assembling hanging cable suspension bracket, and running gear and jack up unit are installed;
A20, utilize jack up unit that the hanging cable suspension bracket is promoted to the corresponding height position of bridge tower and is fixed on bridge tower;
A30, utilize running gear that suspension cable is sling to the installation site, complete the hanging cable of suspension cable at the bridge tower end;
A40, complete the hanging cable of stay cable of beam-ends on bridge floor;
A50, at bridge tower end tractive suspension cable, it is put in place;
A60, the tractive suspension cable makes its stretch-draw to builder's tonnage on bridge floor.
6. method as claimed in claim 5, is characterized in that, the concrete steps of steps A 30 are as follows:
A301, suspension cable is put into the rope frame and at its end pass line bucket tool, be provided for the Simple slide way that reduces friction simultaneously on bridge floor;
A302, with cord clip suspender clamping on electric block, suspension cable is placed on Simple slide way, utilize electric block that one end of suspension cable is sling to the corresponding height position of bridge tower;
The anchor cup of A303, extraction bridge tower end is installed drawing head and cord clip successively on the anchor cup;
A304, cord clip is connected with the cord clip suspender, completes the hanging cable of suspension cable bridge tower end.
Priority Applications (1)
| 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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| 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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| CN103147404A true CN103147404A (en) | 2013-06-12 |
| CN103147404B CN103147404B (en) | 2015-02-11 |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104762880A (en) * | 2015-05-03 | 2015-07-08 | 李孟平 | Improved bridge inhaul cable structure and hanging method thereof |
| CN105019364A (en) * | 2015-08-04 | 2015-11-04 | 武船重型工程股份有限公司 | Method for slipping and vertically swinging steel tower |
| CN105442458A (en) * | 2016-01-29 | 2016-03-30 | 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 |
| CN109853393A (en) * | 2019-03-19 | 2019-06-07 | 湖南联智智能科技有限公司 | A kind of the hanging cable construction system and its construction method of king-tower vertical transfer cable-stayed bridge |
| CN111979916A (en) * | 2019-12-31 | 2020-11-24 | 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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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104762880A (en) * | 2015-05-03 | 2015-07-08 | 李孟平 | Improved bridge inhaul cable structure and hanging method thereof |
| CN105019364A (en) * | 2015-08-04 | 2015-11-04 | 武船重型工程股份有限公司 | Method for slipping and vertically swinging steel tower |
| CN105442458A (en) * | 2016-01-29 | 2016-03-30 | 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 |
| 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 |
| CN109853393A (en) * | 2019-03-19 | 2019-06-07 | 湖南联智智能科技有限公司 | A kind of the hanging cable construction system and its construction method of king-tower vertical transfer cable-stayed bridge |
| CN111979916A (en) * | 2019-12-31 | 2020-11-24 | 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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| Publication number | Publication date |
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| CN103147404B (en) | 2015-02-11 |
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Owner name: GROUP CO., LTD., ZHONGTIE DAQIAO BUREAU Free format text: FORMER OWNER: CHINA ZHONGTIE MAJOR BRIDGE ENGINEERING CO., LTD. Effective date: 20150113 |
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Free format text: CORRECT: ADDRESS; FROM: 430074 WUHAN, HUBEI PROVINCE TO: 430050 WUHAN, HUBEI PROVINCE |
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Effective date of registration: 20150113 Address after: 430050 Hanyang Road, Hanyang District, Hubei, No. 38, No. Applicant after: Group Co., Ltd., Zhongtie Daqiao Bureau Address before: 430074 Hubei province Wuhan Dongxin East Lake New Technology Development Zone Road SBI Venture Street No. 6 Building 12 layer Applicant before: China Zhongtie Major Bridge Engineering Co., Ltd. |
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