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 PDF

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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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cable
bridge
hanging
tower
hanger
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CN103147404B (en
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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 Co Ltd
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Abstract

本发明公开了一种限高斜拉桥塔端斜拉索的挂设系统及方法，所述挂设系统包括挂索吊架、走行装置和起升装置，所述挂索吊架套设在桥塔上；所述走行装置包括轨道梁和电动葫芦，所述轨道梁固定在所述挂索吊架的底面上，所述电动葫芦悬挂在所述轨道梁上，且所述挂索吊架位于桥塔两侧的部分长度不一致，形成不对称桁架结构；所述起升装置包括卷扬机和滑车组，所述卷扬机设置在桥面上，所述滑车组固定在桥塔的顶端，所述卷扬机通过绕在所述滑车组上的钢丝绳与所述挂索吊架连接并控制其升降。本发明，操作简便、功能齐全、安全可靠，施工效果良好。

The invention discloses a system and method for hanging cables at the tower end of a cable-stayed bridge with a height limit. The hanging system includes a cable hanger, a running device and a lifting device. The cable hanger is sleeved on On the bridge tower; the running device includes a track beam and an electric hoist, the track beam is fixed on the bottom surface of the sling hanger, the electric hoist is suspended on the track beam, and the sling hanger The lengths of the parts on both sides of the bridge tower are inconsistent, forming an asymmetrical truss structure; the lifting device includes a winch and a pulley group, the winch is set on the bridge deck, the pulley group is fixed on the top of the bridge tower, and the hoist It is connected with the hanging rope hanger through the steel wire rope wound on the block block and controls its lifting. The invention has the advantages of simple and convenient operation, complete functions, safety and 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, 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.限高斜拉桥塔端斜拉索的挂设系统，其特征在于，包括：1. The hanging system of the cable-stayed cables at the tower end of the limited-height cable-stayed bridge is characterized in that it includes: 挂索吊架，套设在桥塔上；Cable hanger, set on the bridge tower; 走行装置，包括轨道梁和电动葫芦，所述轨道梁固定在所述挂索吊架的底面上，所述电动葫芦悬挂在所述轨道梁上，且所述挂索吊架位于桥塔两侧的部分长度不一致，形成不对称桁架结构；The running device includes a track beam and an electric hoist, the track beam is fixed on the bottom surface of the cable hanger, the electric hoist is suspended on the track beam, and the cable hanger is located on both sides of the bridge tower The lengths of some parts are inconsistent, forming an asymmetric truss structure; 起升装置，包括卷扬机和滑车组，所述卷扬机设置在桥面上，所述滑车组固定在桥塔的顶端，所述卷扬机通过绕在所述滑车组上的钢丝绳与所述挂索吊架连接并控制其升降。The hoisting device includes a winch and a pulley block, the winch is arranged on the bridge deck, the pulley block is fixed on the top of the bridge tower, and the hoist is connected to the hanging rope hanger through the wire rope wound on the pulley block Connect and control its lift. 2.如权利要求1所述的限高斜拉桥塔端斜拉索的挂设系统，其特征在于，所述挂索吊架包括承重主梁，所述承重主梁为由前、后两片主桁架、上横向连接系以及所述轨道梁组成的桁架结构，所述挂索吊架上设有与桥塔相适配的纵向通孔，通过所述纵向通孔，所述挂索吊架套设有桥塔上且可沿桥塔垂直移动。2. The hanging system of the cable-stayed cable at the tower end of the limited-height cable-stayed bridge as claimed in claim 1, wherein the hanging cable hanger comprises a load-bearing girder, and the load-bearing girder is composed of front and rear two The truss structure composed of the main truss, the upper transverse connection system and the track beam, the hanging cable hanger is provided with a longitudinal through hole suitable for the bridge tower, through the longitudinal through hole, the hanging cable hanging The frame sleeve is arranged on the bridge tower and can move vertically along the bridge tower. 3.如权利要求1所述的限高斜拉桥塔端斜拉索的挂设系统，其特征在于，所述挂索吊架上设有用于将挂索吊架固定在桥塔上的支撑牛腿。3. the hanging system of the cable-stayed cable at the pylon end of the limited-height cable-stayed bridge as claimed in claim 1, wherein the cable hanger is provided with a support for fixing the cable hanger on the bridge tower corbel. 4.如权利要求1所述的限高斜拉桥塔端斜拉索的挂设系统，其特征在于，还包括设置在桥面上的简易滑道。4. The hanging system of the cable-stayed cables at the pylon end of the limited-height cable-stayed bridge according to claim 1, further comprising a simple slideway arranged on the bridge surface. 5.应用如权利要求1所述的挂设系统挂设限高斜拉桥塔端斜拉索的方法，其特征在于，包括以下步骤：5. the method for hanging the cable-stayed cable at the tower end of the limited-height cable-stayed bridge using the hanging system as claimed in claim 1, is characterized in that, comprises the following steps: A10、在桥面处围绕桥塔整体拼装挂索吊架,并安装走行装置和起升装置；A10. Assemble the hanging cable hanger around the bridge tower at the bridge deck, and install the running device and lifting device; A20、利用起升装置将挂索吊架提升至桥塔的相应高度位置处并固定在桥塔上；A20, use the hoisting device to lift the hanging cable hanger to the corresponding height position of the bridge tower and fix it on the bridge tower; A30、利用走行装置将斜拉索吊起至安装位置，在桥塔端完成斜拉索的挂索；A30. Use the running device to hoist the stay cables to the installation position, and complete the hanging of the stay cables at the end of the bridge tower; A40、在桥面上完成梁端的斜拉索挂索；A40, complete the stay cable hanging cable at the beam end on the bridge deck; A50、在桥塔端牵拉斜拉索使其到位；A50, pull the stay cable at the end of the bridge tower to make it in place; A60、在桥面上牵拉斜拉索使其张拉到设计吨位。A60. Pull the stay cables on the bridge deck to make it stretch to the designed tonnage. 6.如权利要求5所述的方法，其特征在于，步骤A30的具体步骤如下：6. the method for claim 5 is characterized in that, the concrete steps of step A30 are as follows: A301、将斜拉索放入放索架并在其端部安装索夹吊具，同时在桥面上设置用于减小摩擦力的简易滑道；A301, put the stay cable into the cable rack and install the cable clamp hanger at its end, and set a simple slideway for reducing friction on the bridge deck; A302、将索夹吊具装夹在电动葫芦上，将斜拉索置于简易滑道上，利用电动葫芦将斜拉索的一端吊起至桥塔的相应高度位置；A302. Clamp the cable clamp hanger on the electric hoist, place the stay cable on the simple slideway, and use the electric hoist to lift one end of the stay cable to the corresponding height of the bridge tower; A303、抽出桥塔端的锚杯，在锚杯上依次安装牵引头和索夹；A303. Pull out the anchor cup at the pylon end, and install the pulling head and the cable clamp on the anchor cup in sequence; A304、将索夹与索夹吊具连接，完成斜拉索桥塔端的挂索。A304. Connect the cable clamp with the cable clamp sling to complete the hanging cable at the tower end of the cable-stayed bridge.
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Cited By (6)

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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
CN113026556A (en) * 2021-04-21 2021-06-25 五冶集团上海有限公司 Cable-stayed bridge steel tower top suspension cable structure and cable-stayed cable construction method

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Cited By (7)

* Cited by examiner, † Cited by third party
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
CN113026556A (en) * 2021-04-21 2021-06-25 五冶集团上海有限公司 Cable-stayed bridge steel tower top suspension cable structure and cable-stayed cable construction method

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