CN208088097U - A kind of three-tower suspension bridge erection of main beam constructing structure - Google Patents
A kind of three-tower suspension bridge erection of main beam constructing structure Download PDFInfo
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- CN208088097U CN208088097U CN201820318998.3U CN201820318998U CN208088097U CN 208088097 U CN208088097 U CN 208088097U CN 201820318998 U CN201820318998 U CN 201820318998U CN 208088097 U CN208088097 U CN 208088097U
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- bearing rope
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- rope
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- 239000000725 suspension Substances 0.000 title claims abstract description 16
- 230000005540 biological transmission Effects 0.000 claims description 3
- 238000005303 weighing Methods 0.000 claims description 3
- 238000010276 construction Methods 0.000 abstract description 13
- 230000001737 promoting effect Effects 0.000 abstract description 2
- 238000000034 method Methods 0.000 description 5
- 230000001360 synchronised effect Effects 0.000 description 5
- 238000010586 diagram Methods 0.000 description 4
- 238000005516 engineering process Methods 0.000 description 3
- 238000009434 installation Methods 0.000 description 3
- 238000004873 anchoring Methods 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 229910000831 Steel Inorganic materials 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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Abstract
The utility model is related to bridge construction construction applications, in particular to a kind of three-tower suspension bridge erection of main beam constructing structure.Including in across tower, be located in across tower direction across bridge both sides end bay tower and main bearing rope；In column overhead is provided with balancing device；End bay tower side of pulling in shore is disposed with hoisting platform for storing girder beam section；Main bearing rope one end is anchored on balancing device, and the other end is anchored on hoisting platform, in across tower both sides main bearing rope made by balancing device main bearing rope centering across the horizontal pull of tower cancel out each other ground be symmetrically placed in across tower both sides；Handling apparatus is installed on main bearing rope.The constructing structure of the utility model is simple, easy to operate, leads to across the tower both sides in and is arranged symmetrically main bearing rope and hanging apparatus, the horizontal pull during girder assembly can be effectively eliminated, the safety of assembling construction is improved, and does not occupy navigation channel, there is great promotional value.
Description
Technical field
The utility model is related to bridge construction construction applications, construct and tie in particular to a kind of three-tower suspension bridge erection of main beam
Structure.
Background technology
The Oujiang River north mouth bridge connection the Oujiang River two sides are the steel trussed girder suspension bridges of the seat of honour " three towers four across " in the world, are current
One of the bridge that China or even in the world technical difficulty are maximum, building technology is the most complicated.In across main cable and girder difficulty of construction it is big,
It is this project key node engineering.Since mid-span part main beam design height is located at below main rope of suspension bridge, girder of suspension bridge is applied
The common deck unit erection gantry of work should not be applied to main cable and girder operation, if constructed using crane barge, if two across girder off the hook not
Synchronous, then the horizontal component that span centre tower top is carried to main push-towing rope is different, and main push-towing rope can be caused to be slided with respect to cable saddle, influence main push-towing rope line style, tower
It is excessive to push up horizontal component, very big moment of flexure is formed to tower root, causes serious consequence, Construction control difficulty and dangerous.In addition,
It either uses deck unit erection gantry or crane barge to construct, navigation channel will be occupied for a long time, navigation is very risky, and deck unit erection gantry is adopted
It with hydraulic driving mode, itself walks more slow, it is difficult to meet the work efficiency requirement of fast hoisting.
Utility model content
The purpose of this utility model seek to the prior art for solving to mention in above-mentioned background technology applied to three towers four across
Suspension bridge there is technical issues that lifting is difficult, occupy, and provide a kind of three-tower suspension bridge erection of main beam constructing structure.
The technical solution of the utility model is：A kind of three-tower suspension bridge erection of main beam constructing structure, it is characterised in that：Including
In across tower, be located in across tower direction across bridge both sides end bay tower and main bearing rope；Column overhead is provided with balance dress in described
It sets；End bay tower side of pulling in shore is disposed with hoisting platform for storing girder beam section；Main bearing rope one end anchor
Gu on balancing device, the other end is anchored on hoisting platform, in main bearing rope across tower both sides load-bearing is made by balancing device
Main rope centering across tower both sides in the horizontal pull of tower is symmetrically placed in cancelling out each other；It is installed on the main bearing rope useful
In by girder beam section from hoisting platform be hoisted to end bay tower and between tower carry out girder assembly handling apparatus.
The further handling apparatus includes the dragger being located on hoisting platform and is slidably connected on main bearing rope
Sport car；It is connected by hauling rope between the dragger and sport car；The hauling rope includes for driving sport car edge to hold
The jump stay that weight main rope is advanced and the pulley blocks on sport car are used for the vertical drag-line that handling girder beam section vertically moves.
The further pulley blocks include being fixed on sport car to determine cunning for changing vertical drag-line power transmission direction
Wheel group and be suspended to below fixed pulley group with the fixed running block of girder beam section.
During the balancing device includes balance anchor block in being anchored at across column overhead center and is anchored at
Turn cable saddle across column overhead and the balance anchor block direction across bridge both sides that are placed in；The main bearing rope, which passes through, turns cable saddle and balance anchor block
Fixed, two main bearing ropes are symmetrically arranged in centered on balancing anchor block midpoint on balance anchor block.
A kind of three-tower suspension bridge erection of main beam construction method, it is characterised in that：In construction across tower and in across tower direction across bridge two
The end bay tower of side, end bay tower pull in shore side arrange hoisting platform, across column overhead, the other end during main bearing rope one end is anchored at
Be anchored on hoisting platform across end bay column overhead, hanging apparatus arranged on main bearing rope, in across tower both sides hanging apparatus
Synchronized swing girder beam section makes the horizontal cross pulling force that both sides main bearing rope centering is generated across tower cancel out each other, synchronizes and symmetrically exist
In between tower and end bay tower assembled girder, until girder assembly is completed.
Method during further main bearing rope one end is anchored at across column overhead is：Across column overhead center anchoring is flat in
Weigh anchor block, by main bearing rope end anchorage in balance anchor block direction across bridge side, both sides main bearing rope is made to be symmetrically arranged in balance anchor
On block.
Further arrange that the method for hanging apparatus is on main bearing rope：Hoisting platform pull in shore side installation traction
Machine, the sport car that arrangement can be slided along main bearing rope on main bearing rope, passes through the level that sport car can be driven to be moved along main bearing rope
Drag-line connects dragger and sport car, and the vertical drag-line on dragger is passed through to the running block of the fixed pulley group and lower section on sport car
Connection.
Further include the following steps：1), construct in across tower and in across tower direction across bridge both sides end bay tower, in end bay tower
Pull in shore side arrangement hoisting platform；
2), across column overhead installation balances anchor block and turns cable saddle in, and main bearing rope one end is passed through and turns cable saddle and balance anchor
Block is fixed, and the other end passes through end bay tower to be anchored with hoisting platform；
3), sport car on main bearing rope is installed, jump stay is set up between the dragger on sport car and hoisting platform, it will
Vertical drag-line on dragger passes through the running block of fixed pulley group and lower section on sport car to connect；
4), two groups of sport cars, which are moved to by the dragger of both sides on corresponding hoisting platform, slings girder beam section, in both sides
Under the synchronous operation of dragger, sport car handling girder beam section proceeds by between tower and end bay tower girder assembly into, in across
The girder beam section of tower both sides starts symmetrical assembly in centered on tower；
5), handling residue girder beam section successively, until it is assembled to complete girder.
In the further step 4, sport car handling girder beam section proceeds by master between tower and end bay tower
The method of beam assembly is：In across tower be starting point to end bay tower side start successively it is assembled or using end bay tower be starting point in
Across tower side it is assembled successively or between tower and end bay tower girder midpoint as starting point along direction across bridge direction to both sides successively
It is assembled.
The advantages of the utility model, has：1, by across tower both sides be arranged symmetrically main bearing rope, it is synchronous to carry out girder beam
The assembly of section, can ensure that the horizontal pull generated during assembly is cancelled out each other, avoid destruction of the centering across tower, improve
The safety of construction；
2, by across the tower top setting balance anchor block in, the quick connection of main bearing rope can be facilitated, stress is made to focus on
It balances on anchor block, across the tower generation of centering is avoided to pull destruction；
3, the assembly to beam section is realized by dragger controlled level drag-line and vertical drag-line, whole operation process is simple,
Efficiently, navigation channel will not be occupied, the installation of hanging device is also simplified.
The constructing structure of the utility model is simple, easy to operate, leads to across the tower both sides in and is arranged symmetrically main bearing rope and hangs
Assembling device can effectively eliminate the horizontal pull during girder assembly, improve the safety of assembling construction, and not occupy boat
Road, easy construction have great promotional value.
Description of the drawings
Fig. 1：The constructing structure schematic diagram of the utility model；
Fig. 2：The balancing device arrangement schematic diagram of the utility model；
Fig. 3：The sport car of the utility model and main bearing rope mounting structure schematic diagram；
Fig. 4：The running block of the utility model and girder beam section attachment structure schematic diagram；
Wherein：Across tower in 1-；2-end bay towers；3-main bearing ropes；4-hoisting platforms；5-girder beam sections；6-sport cars；
7-jump stays；8-vertical drag-lines；9-fixed pulley groups；10-running blocks；11-balance anchor blocks；12-turn cable saddle.
Specific implementation mode
The utility model is described in further detail in the following with reference to the drawings and specific embodiments.
Such as Fig. 1~4, the Suspension bridge structure of the present embodiment be three towers four across, including across tower 1 and two end bay towers 2 in one,
Three towers four are formed across structure, what the present embodiment solved be how to carry out in girder assembly process between tower 1 and end bay tower 2.
In between tower 1 and end bay tower 2 anchoring have a main bearing rope 3, wherein 3 one end of main bearing rope passes through 2 tower top of end bay tower
It is anchored with the pull in shore hoisting platform 4 of side of end bay tower 2, for hoisting platform 4 for placing girder beam section 5, main bearing rope 3 is logical for the later stage
Sunpender is crossed to connect with girder.In the present embodiment in the main bearing rope 3 of 1 both sides of tower is symmetrically arranged in centered on tower 1
Across 1 direction across bridge both sides of tower.
Balancing device is installed across 1 tower top of tower in the present embodiment, as shown in Fig. 2, in across 1 both sides of tower main bearing rope 3
3 centering of main bearing rope is set, across 1 both sides of tower, to be put down in the horizontal pull of tower 1 is symmetrically placed in cancelling out each other by balancing device
Weighing apparatus device include balance anchor block 11 in being anchored at across 1 tower top of tower center and be anchored in across 1 tower top of tower and the balance that is placed in
11 direction across bridge both sides of anchor block turn cable saddle 12, and main bearing rope 3, which passes through, turns cable saddle 12 and the balance fixation of anchor block 11, two main bearing ropes
3 are symmetrically arranged in centered on balancing 11 midpoint of anchor block on balance anchor block 11.
Be equipped on main bearing rope 3 for by girder beam section 5 from hoisting platform 4 be hoisted to end bay tower 2 and between tower 1
Carry out the handling apparatus of girder assembly.As shown in figs. 34, handling apparatus includes the dragger being located on hoisting platform 4 and sliding
The sport car 6 on main bearing rope 3 is connected, is connected by hauling rope between dragger and sport car 6, hauling rope includes for driving sport car
What 6 jump stays 7 advanced along main bearing rope 3 and the pulley blocks on sport car 6 were vertically moved for handling girder beam section 5
Vertical drag-line 8.
Wherein, pulley blocks include 9 He of fixed pulley group for changing 8 power transmission direction of vertical drag-line being fixed on sport car 6
Be suspended to the lower section of fixed pulley group 9 with 5 fixed running block 10 of girder beam section.
Concrete construction method includes the following steps：1, construct in across tower 1 and in across 1 direction across bridge both sides of tower end bay tower 2,
End bay tower 2 pull in shore side arrangement hoisting platform 4；
2, balance anchor block 11 is installed across 1 tower top of tower in and turns cable saddle 12,3 one end of main bearing rope is passed through turn cable saddle 12 with
Anchor block 11 is balanced to fix, in main bearing rope 3 across 1 both sides of tower be arranged symmetrically as midpoint using the center for balancing anchor block 11, the other end
It is anchored across end bay tower 2 and hoisting platform 4；
3, sport car 6 on main bearing rope 3 is installed, jump stay is set up between the dragger on sport car 6 and hoisting platform 4
7, pass through the fixed pulley group 9 on sport car 6 to be connect with the running block 10 of lower section the vertical drag-line 8 on dragger；
4, two groups of sport cars 6, which are moved to by the dragger of both sides on corresponding hoisting platform 4, slings girder beam section 5, two
Under the synchronous operation of side-lining machine, first passes through jump stay 7 and control sport car 6 and girder beam section 5 along the traveling of main bearing rope 3, advance
After design position between tower 1 and end bay tower 2, start to control the slow decentralization girder beam section 14 of vertical drag-line 8 to assembly
Position carry out it is assembled, in girder beam section 5 across 1 both sides of tower start centered on tower 1 in symmetrical assembled, symmetrical assembly can make
In cancel out each other across 1 both sides stress balance of tower, both sides horizontal pull, improve and apply from being destroyed by horizontal pull across tower 1 in making
The safety of work；
5, handling residue girder beam section 5 successively, until it is assembled to complete girder.
When practical assembled, can in across tower 1 be starting point to 2 side of end bay tower start successively it is assembled, can also be with end bay
Tower 2 be starting point in across 1 side of tower it is assembled successively or between tower 1 and end bay tower 2 girder midpoint is starting point along cross-bridges
It is assembled successively to direction to both sides.
The balance anchor block 11 of the present embodiment be by pre-buried screw anchor in across the block structure in 1 tower top of tower center, it is flat
Weighing apparatus anchor block 11 and the anchor point of main bearing rope 3 are arranged symmetrically using the center for balancing anchor block 11 as midpoint, can be played so very well
The effect cancelled out each other of horizontal pull.
Basic principles, main features, and advantages of the present invention has been shown and described above.One's own profession
The technical staff of industry is it should be appreciated that the present utility model is not limited to the above embodiments, described in above embodiments and description
Only illustrate the principles of the present invention, the utility model can also on the premise of not departing from the spirit and scope of the utility model
There are various changes and modifications, these various changes and improvements fall within the scope of the claimed invention.The utility model is wanted
Protection domain is asked to be defined by appended claims and its equivalent.
Claims (4)
1. a kind of three-tower suspension bridge erection of main beam constructing structure, it is characterised in that：Including in across tower (1), be located in across tower (1) cross
End bay tower (2) and main bearing rope (3) of the bridge to both sides；Across tower (1), tower top is provided with balancing device in described；The side
It is disposed with hoisting platform (4) for storing girder beam section (5) across tower (2) side of pulling in shore；Main bearing rope (3) one end anchor
Gu on balancing device, the other end is anchored on hoisting platform (4), in across tower (1) both sides main bearing rope (3) pass through balance dress
Setting makes main bearing rope (3) centering in the horizontal pull of tower (1) is symmetrically placed in cancelling out each other across tower (1) both sides；Described
Be equipped on main bearing rope (3) for by girder beam section (5) from hoisting platform (4) be hoisted to end bay tower (2) in across tower (1) it
Between carry out girder assembly handling apparatus.
2. a kind of three-tower suspension bridge erection of main beam constructing structure as described in claim 1, it is characterised in that：The handling dress
It sets including the dragger being located on hoisting platform (4) and the sport car (6) being slidably connected on main bearing rope (3)；The dragger
It is connect by hauling rope between sport car (6)；The hauling rope includes for driving sport car (6) to advance along main bearing rope (3)
Jump stay (7) and the pulley blocks on the sport car (6) be used for the vertical drag-line that handling girder beam section (5) vertically moves
(8)。
3. a kind of three-tower suspension bridge erection of main beam constructing structure as claimed in claim 2, it is characterised in that：The pulley blocks
Including be fixed on sport car (6) for changing vertical drag-line (8) power transmission direction fixed pulley group (9) and be suspended to fixed pulley group
(9) below with girder beam section (5) fixed running block (10).
4. a kind of three-tower suspension bridge erection of main beam constructing structure as described in claim 1, it is characterised in that：The balance dress
It sets including across tower (1) tower top and being placed in flat across the balance anchor block (11) in tower (1) tower top center and in being anchored in being anchored at
Weighing apparatus anchor block (11) direction across bridge both sides turn cable saddle (12)；The main bearing rope (3), which passes through, turns cable saddle (12) and balance anchor block
(11) fixed, two main bearing ropes (3) are symmetrically arranged in centered on balancing anchor block (11) midpoint on balance anchor block (11).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820318998.3U CN208088097U (en) | 2018-03-08 | 2018-03-08 | A kind of three-tower suspension bridge erection of main beam constructing structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201820318998.3U CN208088097U (en) | 2018-03-08 | 2018-03-08 | A kind of three-tower suspension bridge erection of main beam constructing structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208088097U true CN208088097U (en) | 2018-11-13 |
Family
ID=64061953
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201820318998.3U Withdrawn - After Issue CN208088097U (en) | 2018-03-08 | 2018-03-08 | A kind of three-tower suspension bridge erection of main beam constructing structure |
Country Status (1)
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|---|---|
| CN (1) | CN208088097U (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108221639A (en) * | 2018-03-08 | 2018-06-29 | 中交武汉港湾工程设计研究院有限公司 | A kind of three-tower suspension bridge erection of main beam constructing structure |
| CN109629402A (en) * | 2019-01-15 | 2019-04-16 | 四川路桥华东建设有限责任公司 | A kind of construction method of three tower four across girder of suspension bridge |
| CN111549668A (en) * | 2020-04-24 | 2020-08-18 | 中交第二公路工程局有限公司 | Catwalk portal guide wheel set of suspension bridge main cable erection traction system and use method |
| CN111622121A (en) * | 2020-06-03 | 2020-09-04 | 中铁一局集团厦门建设工程有限公司 | Reeving method for hoisting single-tower cable |
-
2018
- 2018-03-08 CN CN201820318998.3U patent/CN208088097U/en not_active Withdrawn - After Issue
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108221639A (en) * | 2018-03-08 | 2018-06-29 | 中交武汉港湾工程设计研究院有限公司 | A kind of three-tower suspension bridge erection of main beam constructing structure |
| CN108221639B (en) * | 2018-03-08 | 2024-05-24 | 中交武汉港湾工程设计研究院有限公司 | Three tower suspension bridge girder installation construction structures |
| CN109629402A (en) * | 2019-01-15 | 2019-04-16 | 四川路桥华东建设有限责任公司 | A kind of construction method of three tower four across girder of suspension bridge |
| CN109629402B (en) * | 2019-01-15 | 2021-04-13 | 四川路桥华东建设有限责任公司 | Construction method of three-tower four-span suspension bridge girder |
| CN111549668A (en) * | 2020-04-24 | 2020-08-18 | 中交第二公路工程局有限公司 | Catwalk portal guide wheel set of suspension bridge main cable erection traction system and use method |
| CN111622121A (en) * | 2020-06-03 | 2020-09-04 | 中铁一局集团厦门建设工程有限公司 | Reeving method for hoisting single-tower cable |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned | ||
| AV01 | Patent right actively abandoned |
Granted publication date: 20181113 Effective date of abandoning: 20240524 |
|
| AV01 | Patent right actively abandoned |
Granted publication date: 20181113 Effective date of abandoning: 20240524 |