CN209508834U - A kind of multispan continuously arranges CABLEWAY ERECTION SYSTEM - Google Patents
A kind of multispan continuously arranges CABLEWAY ERECTION SYSTEM Download PDFInfo
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- CN209508834U CN209508834U CN201920063917.4U CN201920063917U CN209508834U CN 209508834 U CN209508834 U CN 209508834U CN 201920063917 U CN201920063917 U CN 201920063917U CN 209508834 U CN209508834 U CN 209508834U
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Abstract
The utility model is disclosed a kind of multispan and continuously arranges CABLEWAY ERECTION SYSTEM；The system is made of main rope, hauling rope, hoist cable, sport car, Rope bearing equipment, cable saddle, anchor system and a hoist engine dynamical system；Solve the problems, such as that big or middle across the main cable and girder synchronism of tower imbalance horizontal force requires high, lifting to influence navigation big in when three four across suspension bridge installation girders of tower.This patent has the following advantages that and the utility model has the advantages that main rope centering tower imbalance horizontal force is small when across main cable and girder in (1)；(2) construction procedure according to this patent, i.e. asynchronous remaining beam section of lifting after part beam section is installed after tower area require synchronous construction small；(3) construction procedure according to this patent, after after tower area, part beam section is installed, remaining beam section can be used fixed point lifting method and be lifted, small to influence to channel；(4) mountable cable beam intersecting area girder.
Description
Technical field
The utility model relates to a kind of construction fields of girder of suspension bridge, are specifically that a kind of multispan continuously arranges cable
Lift-on/Lift-off System, for installing three girders of the tower four across suspension bridge.
Background technique
Three towers four of the country are less across suspension bridge at present, and girder mainly uses deck unit erection gantry, crane barge and multispan separation cable
Three kinds of modes of Lift-on/Lift-off System are installed, and mounting means has the following disadvantages.
(1) since deck unit erection gantry can not walk with carrying, deck unit erection gantry installation must satisfy fixed point lifting condition, therefore
It is more demanding to site contour when lifting, and deck unit erection gantry can not install cable beam intersecting area girder, if bridge site is located at navigation area
Domain is then affected to navigation.
(2) crane barge can not construct in mountain area or shallow water area, and large-tonnage crane barge equipment is expensive, construction cost compared with
Height is affected to navigation if bridge site is located at navigation region.
(3) multispan separation Hoisting with Cableway System installation girder when in tower imbalance horizontal force it is big, in across main cable and girder synchronism
It is required that high.
Utility model content
Therefore, in order to solve above-mentioned deficiency, the utility model provides a kind of multispan herein and continuously arranges CABLEWAY ERECTION SYSTEM,
The system is for installing three towers four across girder of suspension bridge；Tower imbalance horizontal force in when solving three four across suspension bridge installation girders of tower
Across main cable and girder synchronism big or middle requires high, lifting to influence big problem on navigation.
The utility model is realized in this way constructing a kind of multispan continuously arranges Hoisting with Cableway System, it is characterised in that；By leading
Rope, hauling rope play hoist cable, sport car, Rope bearing equipment, cable saddle, anchor system and hoist engine dynamical system composition；It is wherein to meet multispan
Continuous architectural characteristic, tower top fulcrum, which is respectively provided with cable saddle, keeps main rope free to slide, and main rope is anchored in two sides anchor system, leads
Straw line and a hoist cable pass through multiple groups Rope bearing equipment respectively and are suspended below main rope；In addition, hauling rope and hoist cable and elevator mechanomotive force
System connection realizes that the movement of sport car is applied with girder promotion using hoist engine dynamical system control hauling rope and a hoist cable respectively
Work.
Hoisting with Cableway System is continuously arranged according to a kind of multispan described in the utility model, it is characterised in that；The rope of tower top fulcrum
Knee roll includes main cable saddle, angle pulley, main cable saddle branch bearing beam, fashioned iron support pad；Main cable saddle branch bearing beam is fixed by fashioned iron support pad, main rope
Saddle is located on main cable saddle branch bearing beam, and the lower end of angle pulley and fashioned iron support pad is equipped with built-in fitting.
The utility model has the advantages that the utility model provides a kind of multispan herein and continuously arranges cable hoisting system
System, and three construction methods of the tower four across girder of suspension bridge are installed using the system；Solve across the suspension bridge installation girder of three tower four
Big or middle across the main cable and girder synchronism of Shi Zhongta imbalance horizontal force requires high, lifting to influence big problem on navigation.This patent tool
Have the following advantages and the utility model has the advantages that
(1) main rope centering tower imbalance horizontal force is small when across main cable and girder in.
(2) construction procedure according to this patent, it is i.e. asynchronous after after tower area, part beam section is installed to lift remaining
Beam section requires synchronous construction small.
(3) construction procedure according to this patent, after after tower area, part beam section is installed, remaining beam section can be used fixed
Point lifting method is lifted, small to influence to channel.
(4) mountable cable beam intersecting area girder.
Detailed description of the invention
Fig. 1 is this patent multispan continous way CABLEWAY ERECTION SYSTEM schematic diagram (cable hoisting totality facade layout drawing)；
Fig. 2 is column overhead fulcrum cable saddle schematic diagram in this patent；
Fig. 3 is 1-1 cross-sectional view in Fig. 2.
Wherein: main rope 1, hauling rope 2 play hoist cable 3, sport car 4, Rope bearing equipment 5, tower top fulcrum cable saddle 6, anchor system 7, elevator
Motor-driven Force system 8, girder 9, main push-towing rope 10, main cable saddle 11, angle pulley 12, main cable saddle branch bearing beam 13, fashioned iron support pad 14 play hoist cable
Anchoring 15, built-in fitting 16.
Specific embodiment
The utility model is described in detail below in conjunction with attached drawing 1- Fig. 3, to the skill in the utility model embodiment
Art scheme is clearly and completely described, it is clear that and the described embodiments are only a part of the embodiments of the utility model, and
The embodiment being not all of.Based on the embodiments of the present invention, those of ordinary skill in the art are not making creativeness
Every other embodiment obtained, fall within the protection scope of the utility model under the premise of labour.
The utility model provides a kind of multispan herein and continuously arranges that CABLEWAY ERECTION SYSTEM is installed by improving；By main rope 1, lead
Straw line 2 plays hoist cable 3, sport car 4, Rope bearing equipment 5, cable saddle 6, anchor system 7 and the composition of hoist engine dynamical system 8；It is wherein more to meet
The architectural characteristic of Span Continuous, tower top fulcrum, which is respectively provided with cable saddle 6, keeps main rope 1 free to slide, and main rope 1 is anchored in two sides anchoring system
System 7, hauling rope 2 and hoist cable 3 are suspended on 1 lower section of main rope by multiple groups Rope bearing equipment 5 respectively.In addition, hauling rope 2 and hoist cable 3
It is connect with hoist engine dynamical system 8, control hauling rope 2 using hoist engine dynamical system 8 and plays hoist cable 3, realize sport car 4 respectively
Mobile and girder lifting construction.
Wherein, the cable saddle 6 of tower top fulcrum includes main cable saddle 11, angle pulley 12, main cable saddle branch bearing beam 13, fashioned iron support pad
14；Main cable saddle branch bearing beam 13 is fixed by fashioned iron support pad 14, and main cable saddle 11 is located on main cable saddle branch bearing beam 13,12 He of angle pulley
The lower end of fashioned iron support pad 14 is equipped with built-in fitting 16.
A kind of multispan continuously arranges the construction method of CABLEWAY ERECTION SYSTEM, for across the girder of suspension bridge installation side of three tower four
Method, construction procedure are as follows:
(1) a kind of multispan continous way CABLEWAY ERECTION SYSTEM is constructed；
(2) according to first installation tower area part beam section is calculated, with tower main push-towing rope and saddle slot frictional resistance in raising, guarantee main push-towing rope antiskid
It moves and requires；
(3) the remaining beam section of asynchronous installation, the mode that fixed point lifting can be used is lifted, so that steel truss girder mounting means
Flexibly, small to influence to channel.
In this method, continuously arrange that CABLEWAY ERECTION SYSTEM carries out erection of main beam using multispan, tower top fulcrum is respectively provided with rope
Saddle keeps main rope free to slide, thus in it is across main cable and girder when, the main cable force in the two sides Zhong Ta is identical, main rope centering tower generate
Uneven horizontal force is minimum.
In this method, according to mechanical character of main cables, tower area part beam section is first installed, increases main push-towing rope and presses tower gravity stiffness, it can
To effectively improve the frictional resistance of main push-towing rope Yu saddle slot, guarantee that span centre beam section still can satisfy main push-towing rope and saddle slot using asynchronous lifting
Resistant slide requirement, thus realize span centre beam section asymmetry lifting requirement.
This patent have the following advantages that and the utility model has the advantages that
(1) main rope centering tower imbalance horizontal force is small when across main cable and girder in；
(2) construction procedure according to this patent, it is i.e. asynchronous after after tower area, part beam section is installed to lift remaining
Beam section requires synchronous construction small.
(3) construction procedure according to this patent, after after tower area, part beam section is installed, remaining beam section can be used fixed
Point lifting method is lifted, small to influence to channel.
(4) mountable cable beam intersecting area girder.
The foregoing description of the disclosed embodiments can be realized professional and technical personnel in the field or using originally practical new
Type.Various modifications to these embodiments will be readily apparent to those skilled in the art, and determine herein
The General Principle of justice can be realized in other embodiments without departing from the spirit or scope of the present utility model.Cause
This, the present invention will not be limited to the embodiments shown herein, and is to fit to and principles disclosed herein
The widest scope consistent with features of novelty.
Claims (2)
1. a kind of multispan continuously arranges CABLEWAY ERECTION SYSTEM, it is characterised in that；By main rope (1), hauling rope (2), hoist cable (3),
Sport car (4), Rope bearing equipment (5), cable saddle (6), anchor system (7) and hoist engine dynamical system (8) composition；Wherein connect to meet multispan
Continuous architectural characteristic, tower top fulcrum, which is respectively provided with cable saddle (6), makes main rope (1) can be free to slide, and main rope (1) is anchored in two sides anchoring
System (7), hauling rope (2) and hoist cable (3) are suspended below main rope (1) by multiple groups Rope bearing equipment (5) respectively；In addition, traction
Rope (2) and rise hoist cable (3) connect with hoist engine dynamical system (8), using hoist engine dynamical system (8) control hauling rope (2) and
It rises hoist cable (3), realizes movement and the girder lifting construction of sport car (4) respectively.
2. a kind of multispan continuously arranges CABLEWAY ERECTION SYSTEM according to claim 1, it is characterised in that；The cable saddle of tower top fulcrum
It (6) include main cable saddle (11), angle pulley (12), main cable saddle branch bearing beam (13), fashioned iron support pad (14)；Main cable saddle branch bearing beam (13)
Fixed by fashioned iron support pad (14), main cable saddle (11) is located on main cable saddle branch bearing beam (13), angle pulley (12) and fashioned iron support pad
(14) lower end is equipped with built-in fitting (16).
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920063917.4U CN209508834U (en) | 2019-01-15 | 2019-01-15 | A kind of multispan continuously arranges CABLEWAY ERECTION SYSTEM |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201920063917.4U CN209508834U (en) | 2019-01-15 | 2019-01-15 | A kind of multispan continuously arranges CABLEWAY ERECTION SYSTEM |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111188273A (en) * | 2019-12-31 | 2020-05-22 | 湖北省路桥集团有限公司 | Large-section steel truss girder erection system of large-span steel-concrete composite bridge and construction method |
| CN111254803A (en) * | 2020-01-22 | 2020-06-09 | 中铁大桥科学研究院有限公司 | Cable-free area linear control method for three-span continuous steel box girder suspension bridge |
| CN113772559A (en) * | 2021-07-27 | 2021-12-10 | 中南大学 | Cable crane cable saddle self-adaptive adjusting system |
| CN117988242A (en) * | 2024-04-03 | 2024-05-07 | 贵州省公路工程集团有限公司 | Cable tower top line-passing tool for hoisting suspension bridge steel beam and construction method thereof |
-
2019
- 2019-01-15 CN CN201920063917.4U patent/CN209508834U/en active Active
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111188273A (en) * | 2019-12-31 | 2020-05-22 | 湖北省路桥集团有限公司 | Large-section steel truss girder erection system of large-span steel-concrete composite bridge and construction method |
| CN111254803A (en) * | 2020-01-22 | 2020-06-09 | 中铁大桥科学研究院有限公司 | Cable-free area linear control method for three-span continuous steel box girder suspension bridge |
| CN113772559A (en) * | 2021-07-27 | 2021-12-10 | 中南大学 | Cable crane cable saddle self-adaptive adjusting system |
| CN117988242A (en) * | 2024-04-03 | 2024-05-07 | 贵州省公路工程集团有限公司 | Cable tower top line-passing tool for hoisting suspension bridge steel beam and construction method thereof |
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