CN202380403U - Integral hoisting system of arch rib of arch bridge - Google Patents

Integral hoisting system of arch rib of arch bridge Download PDF

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Publication number
CN202380403U
CN202380403U CN2011205220423U CN201120522042U CN202380403U CN 202380403 U CN202380403 U CN 202380403U CN 2011205220423 U CN2011205220423 U CN 2011205220423U CN 201120522042 U CN201120522042 U CN 201120522042U CN 202380403 U CN202380403 U CN 202380403U
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CN
China
Prior art keywords
arch rib
whole
arch
lifting
support
Prior art date
Application number
CN2011205220423U
Other languages
Chinese (zh)
Inventor
梁立农
陈万里
魏朝桂
何海
王强
姜启珍
Original Assignee
广东省公路勘察规划设计院股份有限公司
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Priority to CN2011205220423U priority Critical patent/CN202380403U/en
Application granted granted Critical
Publication of CN202380403U publication Critical patent/CN202380403U/en

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Abstract

The utility model discloses an integral hoisting system of an arch rib of an arch bridge. The integral hoisting system comprises triangular rigid frames of the arch bridge, hoisting stations, an arch rib bracket, an integral arch rib and a barge used for conveying the integral arch rib, wherein a pair of triangular rigid frames is fixedly erected on bridge piers and symmetrically arranged on the both sides of a main span of the arch bridge, the inner side of each triangular rigid frame, close to the main span of the arch bridge, is provided with an arch rib folding section, which is folded with the integral arch rib, two hoisting stations are respectively arranged on the two triangular rigid frames, the arch rib bracket is erected on the barge, the integral arch rib is supported by the arch rib bracket, the hoisting stations are connected with the integral arch rib through a hoisting steel strand, and after the integral arch rib is hoisted, the integral arch rib is fixedly folded with the arch rib folding section so as to form the integral arch bridge. The system can adapt to a construction environment with severe conditions, and the construction progress is accelerated.

Description

A kind of whole Hoisting System of arch rib
Technical field
The utility model relates to the Hoisting System of arch rib, specifically is a kind of whole Hoisting System of arch rib.
Background technology
The constructure scheme of present domestic arch rib has: the cable Hoisting Program; The full framing scheme; Rotator construction scheme etc.Every kind of constructure scheme all has the superiority and inferiority of oneself, and erection with cableway one is to need large-tonnage cable machine, and the 2nd, need two higher pylons of assembly unit, and knotted rope and dorsal funciculus and earth anchor are set, mild like bridge location place physical features, adopt cable to hang and have high input, cost is high; Full framing method construction one is to need a large amount of timbering materials, the 2nd, and influence navigation, and the construction period is longer mainly is suitable for striding for a short time footpath and the arch bridge that requires of navigation; Rotator construction can reduce a large amount of work high above the ground, construction safety, and can significantly reduce interference to water transportation under the bridge, but owing to the ability and the economy of being rotated system are limit, so only be suitable for the arch bridge of medium and small span.Along with development of science and technology, the enhancing of the appearance of advanced hanging device and lifting ability, the section of growing up lifting becomes the trend of Large Span Structure of Arch bridge construction.For this reason, under the situation of some conditions permit, consider abominable construction environment, proposed the arch rib integral hoisting method.
The utility model content
The purpose of the utility model provides a kind of whole Hoisting System of arch rib, the abominable construction environment of this system's ability condition of compatibility, accelerating construction progress.
The above-mentioned purpose of the utility model realizes through following technical scheme: a kind of whole Hoisting System of arch rib; It is characterized in that: this system comprises the triangle frame of arch bridge, the barge that promotes station, arch rib support, whole arch rib and be used to transport whole arch rib, and said triangle frame is a pair of, and this is located on the bridge pier the triangle frame fixed mount; Be arranged symmetrically in the both sides of arch bridge main span; Each triangle frame is provided with the arch rib closure segment that closes up with whole arch rib near the inboard of arch bridge main span, and said lifting station is two also, is separately positioned on two triangle frames; Said arch rib support is erected on the said barge; The described whole arch rib of arch rib support support, said lifting station is connected with whole arch rib through promoting steel strand, and said lifting station can wholely promote barge and transport next whole arch rib; Whole arch rib is adjusted to appropriate location and arch rib closure segment according to the design elevation requirement and is closed up fixingly through promoting after, constitute whole arch bridge.
The whole technology that promotes of the arch rib utilization of the utility model is constructed; Reduced the difficulty of constructing under the adverse circumstances,, be assembled into integral body at shipyard or building site, bank, bridge location place because rib-lifting section is in factory process; Be transported to the whole lifting in bridge location place via barge; Reduced that arch rib has improved construction quality and accelerated work progress in the work high above the ground of bridge location place assembly unit in the conventional construction method, had outstanding economy and social benefit.
In the utility model; Said lifting station comprises lifting support, drag-line and promotes control system that described lifting support is the steel truss girder structure, promotes support and is fixedly mounted on the said triangle frame; Said drag-line is the oblique rollering steel rope of oblique setting; One end of drag-line is fixedly connected with promoting support, and other end fixed anchoring is on said triangle frame, and said lifting steel strand are arranged in the cantilever front end that promotes support; Said lifting control system is connected with the lifting steel strand, is used for control and promotes steel strand to promote whole arch rib.
In the utility model; Described lifting control system comprises that main control computer, hydraulic jack reach and the supporting hydraulic power unit of hydraulic jack; Said main control computer is arranged in the control room, is connected the action of control hydraulic jack with hydraulic jack; Said hydraulic jack and supporting hydraulic power unit are arranged on after the suspension centre that promotes the station, and hydraulic jack is connected with the lifting steel strand.
In the utility model, described triangle frame comprises the girder of front oblique leg, back battered leg and the horizontally set of oblique setting, and said lifting station is arranged on the girder.
In the utility model; Said whole arch rib also comprises interim tie-rod and false stull; Said interim tie-rod transverse stretching; Stretch-draw is at the two ends of whole arch rib and tighten respectively at the two ends of interim tie-rod, and said whole arch rib is respectively equipped with suspension centre near two ends, and said false stull is the steel truss girder structure that is arranged in suspension centre place, whole arch rib place.
In the utility model, said arch rib support is symmetrically arranged a pair of steel bracket, the common described whole arch rib of support.
Compared with prior art, the utlity model has following remarkable result:
1. the rib-lifting section of the utility model is prefabricated in the factory, and become whole at shipyard or bank, bridge location place building-site spelling, but application property and construction quality is greatly increased all.
2. the whole arch rib of the utility model has reduced the work high above the ground in traditional arch rib construction method, has improved safety of construction.
3. the utility model influences little because arch rib is integral hoisting, and time history is very short to the navigation under the bridge.
4. the utility model with the obvious advantage under abominable construction environment, the construction period of arch rib whole lifting can shortening arch rib, accelerating construction progress is saved the labour, ensures the construction quality under adverse circumstances, has good society and economic benefit.
Description of drawings
Below in conjunction with the accompanying drawing and the specific embodiment the utility model is done further to specify.
Fig. 1 is the overall structure sketch map of the arch bridge of the utility model;
Fig. 2 is the arch rib construction sketch map of the utility model, and whole arch rib and arch rib closure segment were in and did not close up state this moment;
Fig. 3 is the arch rib construction sketch map of the utility model, and whole arch rib and arch rib closure segment were in and closed up state this moment;
Fig. 4 is the partial structurtes figure of the arch rib of the utility model, shows triangle frame and the concrete structure that promotes the station.
Description of reference numerals
1, promotes the station; 2, drag-line; 3, promote steel strand; 4, whole arch rib; 5, closure segment;
6, interim tie-rod; 7, false stull; 8, barge; 9, arch rib support; 10, triangle frame;
11, cantilever; 12, bridge pier; 101, front oblique leg; 102, back battered leg; 103, girder
The specific embodiment
Like the whole Hoisting System of Fig. 1 to a kind of arch rib shown in Figure 4; This system comprises triangle frame 10, lifting station 1, arch rib support 9, the whole arch rib 4 of arch and the barge 8 that is used to transport whole arch rib 4 of arch bridge, and triangle frame 10 is a pair of, and this is located on the bridge pier 12 triangle frame 10 fixed mounts; Be arranged symmetrically in the both sides of arch bridge main span; Each triangle frame 10 is provided with the arch rib closure segment 5 that closes up with whole arch rib 4 near the inboard of arch bridge main span, and promoting station 1 is two also, is separately positioned on two triangle frames 10; Arch rib support 9 is erected on the barge 8; Arch rib support 9 supports integral body arch rib 4 promotes station 1 and is connected with whole arch rib 4 through lifting steel strand 3, and lifting station 1 can wholely promote barge 8 transport next whole arch rib 4; Whole arch rib 4 is adjusted to appropriate location and arch rib closure segment 5 according to the design elevation requirement and is closed up fixingly after promoting, constitute whole arch bridge.
Promote station 1 and comprise lifting support, drag-line 2 and promote control system that promoting support is the steel truss girder structure, promotes support and is fixedly mounted on the triangle frame 10; Drag-line 2 is the oblique rollering steel rope of oblique setting; One end of drag-line 2 is fixedly connected with promoting support, and other end fixed anchoring promotes steel strand 3 and is arranged in cantilever 11 front ends that promote support on triangle frame 10; Promote control system and be connected, be used for control and promote steel strand 3 to promote whole arch rib 4 with lifting steel strand 3.
Promote control system and comprise that main control computer, hydraulic jack reach and the supporting hydraulic power unit of hydraulic jack; Main control computer is arranged in the control room; Be connected with hydraulic jack; The action of control hydraulic jack, hydraulic jack and supporting hydraulic power unit are arranged on after the suspension centre that promotes station 1, and hydraulic jack is connected with lifting steel strand 3.
Whole arch rib 4 in the present embodiment also comprises interim tie-rod 6 and false stull 7; Stretch-draw is at the two ends of whole arch rib 4 and tighten respectively for interim tie-rod 6 transverse stretchings, the two ends of interim tie-rod 6, and whole arch rib 4 is respectively equipped with suspension centre near two ends; False stull 7 is for after the completion of arch rib spelling; Be arranged in the steel truss girder structure at suspension centre place, whole arch rib 4 place, interim tie-rod 6 is installed stretch-draw for after the completion of arch rib spelling at two ends; Arch rib closure segment 5 be rib-hoisting in place after, connect through slideway slippage back in place and the weldering of front and back arch rib.
Triangle frame 10 comprises the girder 103 of front oblique leg 101, back battered leg 102 and the horizontally set of oblique setting, promotes station 1 and is arranged on the girder, and battered leg 101, back battered leg 102 and girder 103 constitute three limits of triangle frame 10.Arch rib support 9 is symmetrically arranged a pair of steel bracket, the whole arch rib 4 of common support arch.
Barge 8 comprises that whole arch rib is gone to river, the transportation of whole arch rib is in place; Whole arch rib is gone to river to rib-lifting section spelling on support becomes whole, slides onto on the barge 8 through land slideway and plank road waterborne with arch rib support 9 integral body, and whole arch rib transportation is in place to be that the whole arch rib 4 of barge 8 transportations is to promoting the waters; Barge integral body turns over 90 °; Casting anchor in the head and the tail original place, utilizes windlass, barge 8 is moved under the hoist point slowly.
The whole arch rib 4 of barge 8 deliveries of the utility model links to each other with whole arch rib 4 ends with promoting steel strand 3 after arch rib lifting place is in place, and utilization promotes 1 pair of whole arch rib 4 integral body in station and promotes.After treating that whole arch rib 4 liftings are preliminary in place, finely tune whole arch rib 4 installation elevations, accurate adjustment arch rib plan-position, elevation and linear through promoting hydraulic jack; Closure segment 5 is installed then; Execute stubborn high-strength bolt, accomplish closing up of whole arch rib 4 and arch rib closure segment 5, subsequently circumferential weld is carried out symmetrical welding; The completion arch ring closes up, and interim tie-rod 6 is removed in the qualified back of welding inspection.

Claims (6)

1. the whole Hoisting System of an arch rib; It is characterized in that: this system comprises the triangle frame of arch bridge, the barge that promotes station, arch rib support, whole arch rib and be used to transport whole arch rib, and said triangle frame is a pair of, and this is located on the bridge pier the triangle frame fixed mount; Be arranged symmetrically in the both sides of arch bridge main span; Each triangle frame is provided with the arch rib closure segment that closes up with whole arch rib near the inboard of arch bridge main span, and said lifting station is two also, is separately positioned on two triangle frames; Said arch rib support is erected on the said barge; The described whole arch rib of arch rib support support, said lifting station is connected with whole arch rib through promoting steel strand, and said lifting station can wholely promote barge and transport next whole arch rib; Whole arch rib is adjusted to appropriate location and arch rib closure segment according to the design elevation requirement and is closed up fixingly through promoting after, constitute whole arch bridge.
2. the whole Hoisting System of arch rib according to claim 1; It is characterized in that: said lifting station comprises lifting support, drag-line and promotes control system that described lifting support is the steel truss girder structure, promotes support and is fixedly mounted on the said triangle frame; Said drag-line is the oblique rollering steel rope of oblique setting; One end of drag-line is fixedly connected with promoting support, and other end fixed anchoring is on said triangle frame, and said lifting steel strand are arranged in the cantilever front end that promotes support; Said lifting control system is connected with the lifting steel strand, is used for control and promotes steel strand to promote whole arch rib.
3. the whole Hoisting System of arch rib according to claim 2; It is characterized in that: described lifting control system comprises that main control computer, hydraulic jack reach and the supporting hydraulic power unit of hydraulic jack; Said main control computer is arranged in the control room, is connected the action of control hydraulic jack with hydraulic jack; Said hydraulic jack and supporting hydraulic power unit are arranged on after the suspension centre that promotes the station, and hydraulic jack is connected with the lifting steel strand.
4. according to the whole Hoisting System of each described arch rib of claim 1 to 3, it is characterized in that: described triangle frame comprises the girder of front oblique leg, back battered leg and the horizontally set of oblique setting, and said lifting station is arranged on the girder.
5. the whole Hoisting System of arch rib according to claim 1; It is characterized in that: said whole arch rib also comprises interim tie-rod and false stull; Said interim tie-rod transverse stretching; Stretch-draw is at the two ends of whole arch rib and tighten respectively at the two ends of interim tie-rod, and said whole arch rib is respectively equipped with suspension centre near two ends, and said false stull is the steel truss girder structure that is arranged in suspension centre place, whole arch rib place.
6. the whole Hoisting System of arch rib according to claim 1, it is characterized in that: said arch rib support is symmetrically arranged a pair of steel bracket, the common described whole arch rib of support.
CN2011205220423U 2011-12-13 2011-12-13 Integral hoisting system of arch rib of arch bridge CN202380403U (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102561191A (en) * 2011-12-13 2012-07-11 广东省公路勘察规划设计院股份有限公司 Integral lifting system and construction method for arch bridge ribs
CN103290785A (en) * 2013-06-30 2013-09-11 中铁一局集团有限公司 Closure method for height variable continuous steel truss girder
CN104715113A (en) * 2015-03-19 2015-06-17 中铁二局第五工程有限公司 Method and device for conducting construction simulation on steel truss arch bridge through BIM
CN110777667A (en) * 2019-11-14 2020-02-11 中铁八局集团有限公司 Hoisting method for preventing deformation of steel pipe arch
CN111395166A (en) * 2020-02-25 2020-07-10 中铁二十四局集团浙江工程有限公司 Tied arch bridge arch rib installation construction method

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102561191A (en) * 2011-12-13 2012-07-11 广东省公路勘察规划设计院股份有限公司 Integral lifting system and construction method for arch bridge ribs
CN103290785A (en) * 2013-06-30 2013-09-11 中铁一局集团有限公司 Closure method for height variable continuous steel truss girder
CN103290785B (en) * 2013-06-30 2015-07-01 中铁一局集团有限公司 Closure method for height variable continuous steel truss girder
CN104715113A (en) * 2015-03-19 2015-06-17 中铁二局第五工程有限公司 Method and device for conducting construction simulation on steel truss arch bridge through BIM
CN104715113B (en) * 2015-03-19 2018-04-03 中铁二局第五工程有限公司 The method and apparatus that steel truss arch bridge construction emulation is realized using BIM
CN110777667A (en) * 2019-11-14 2020-02-11 中铁八局集团有限公司 Hoisting method for preventing deformation of steel pipe arch
CN111395166A (en) * 2020-02-25 2020-07-10 中铁二十四局集团浙江工程有限公司 Tied arch bridge arch rib installation construction method

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C53 Correction of patent for invention or patent application
COR Change of bibliographic data

Free format text: CORRECT: INVENTOR; FROM: LIANG LINONG CHEN WANLI WEI CHAOGUI HE HAI WANG QIANG JIANG QIZHEN TO: LIANG LINONG CHEN WANLI WEI CHAOZHU HE HAI WANG QIANG JIANG QIZHEN

CB03 Change of inventor or designer information

Inventor after: Liang Linong

Inventor after: Chen Wanli

Inventor after: Wei Chaozhu

Inventor after: He Hai

Inventor after: Wang Qiang

Inventor after: Jiang Qizhen

Inventor before: Liang Linong

Inventor before: Chen Wanli

Inventor before: Wei Chaogui

Inventor before: He Hai

Inventor before: Wang Qiang

Inventor before: Jiang Qizhen