CN106480822A - A kind of suspension bridge sling replacing system and the method changing sling of suspension bridge - Google Patents
A kind of suspension bridge sling replacing system and the method changing sling of suspension bridge Download PDFInfo
- Publication number
- CN106480822A CN106480822A CN201611058841.3A CN201611058841A CN106480822A CN 106480822 A CN106480822 A CN 106480822A CN 201611058841 A CN201611058841 A CN 201611058841A CN 106480822 A CN106480822 A CN 106480822A
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- China
- Prior art keywords
- hoist cable
- sling
- suspension bridge
- tugboat
- hoist
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Classifications
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- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D19/00—Structural or constructional details of bridges
- E01D19/16—Suspension cables; Cable clamps for suspension cables ; Pre- or post-stressed cables
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
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- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The present invention discloses a kind of suspension bridge sling replacing system and the method changing sling of suspension bridge, for changing sling of suspension bridge, is related to suspension bridge sling replacing technical field, this system includes：Cord clip；It is installed on the tugboat on described cord clip, described tugboat includes base and some rollers, described roller is installed on described base, arcuately path forms the traction path of arc to some described rollers side by side；Suspender above described cord clip, described suspender is used for lifting by crane described hoist cable to be changed between described cord clip and described traction path；Two hoist engines, described hoist engine is connected with the anchor head being respectively arranged on described hoist cable both ends by steel wire rope.The present invention can quickly, easily change hoist cable under relatively low sling height.
Description
Technical field
The present invention relates to suspension bridge sling replacing technical field is and in particular to a kind of suspension bridge sling replacing system and replacing
The method of sling of suspension bridge.
Background technology
Suspension bridge, the cable (or steel chain) referring to hang by Sarasota and be anchored in two sides (or bridge two ends) is used as top
The bridge of the main supporting member of structure.Its cable geometry is determined by the equilibrium condition of power, normally close to parabola.From cable
Hang down many hoist cables, and bridge floor is hung.During long-term use, sling of suspension bridge occurs various diseases, main
Including：(1) upper and lower anchor head corrosion；(2) anchor loosen, lost efficacy, stripped thread；(3) steel wire corrosion or fatigue breaking in hoist cable；(4)
Hoist cable protective jacket breakage is aging, cracking, damaged；(5) hoist cable axis off normal, drop shot rope is cut；(6) hoist cable steel strand wires or steel wire are subject to
Power is uneven.Due to sling of suspension bridge there are these diseases so that the serious potential safety hazards of the security presence of bridge need right
Sling of suspension bridge is changed.
After the method that hoist cable removed by prior art centre suspension cord bridge is releasing lower anchor head constraint, using lifting appliance from cord clip top
Wire rope sling is directly lifted out the height of main push-towing rope directly over cord clip by portion upwards, and the sling height of lifting appliance need to be more than master
Cable presss from both sides the twice of height.Because large-span suspension bridge king-tower is highly high, king-post vicinity wire rope sling length is longer, typically
The sling height write of bridge floor hoisting machine require all to meet so high construction requirement.
Content of the invention
For defect present in prior art, it is an object of the invention to provide a kind of suspension bridge sling replacing system and
The method changing sling of suspension bridge, can quickly, easily change hoist cable under relatively low sling height.
For reaching object above, the present invention adopts the technical scheme that：
A kind of suspension bridge sling replacing system, for changing sling of suspension bridge, including：
Cord clip；
It is installed on the tugboat on described cord clip, described tugboat includes base and some rollers, described roller is installed on described
On base, arcuately path forms the traction path of arc to some described rollers side by side；
Suspender above described cord clip, described suspender is used for lifting by crane described hoist cable on described cord clip and described traction road
Change between footpath；
Two hoist engines, described hoist engine is connected with the anchor head being respectively arranged on described hoist cable both ends by steel wire rope.
On the basis of technique scheme, described base includes the circular side plate of two halves, and biside plate is oppositely arranged in parallel,
Some rollers are located at described in two between side plate, and some described rollers are along the curved edge interval setting successively of described side plate.
On the basis of technique scheme, described roller includes roller and roller bearing, and the two ends of described roller bearing are respectively mounted
On side plate described in two, on the sheathed described roller bearing of described roller, described roller surface is provided with arc-shaped concave, and some described rollers are recessed
Face forms described traction path.
On the basis of technique scheme, the bottom two ends of described side plate are provided with otic placode, and described otic placode is provided with positioning
Hole.
On the basis of technique scheme, described in two, between side plate, it is provided with the first reinforcing plate connecting side plate described in two.
On the basis of technique scheme, the one side of described side plate is provided with two second reinforcing plates, two second reinforcements
Plate is oppositely arranged perpendicular to the bottom of described side plate.
On the basis of technique scheme, described suspender is provided with for corresponding making with the middle point identification on described hoist cable
Centering identifies.
A kind of method changing sling of suspension bridge, comprises the following steps that：
Using suspender by old hoist cable from the traction path that tugboat hung oneself by locker, and so that old hoist cable is crossed on tugboat；
Wherein one hoist engine winds old hoist cable from one end of old hoist cable, until the anchor head of the old hoist cable other end removes tugboat,
By the steel wire rope of the old hoist cable other end, hoist cable is transferred to bridge floor, complete the winding of old hoist cable；
The anchor head of new hoist cable one end is drawn to the replacing position of new hoist cable, a hoist engine connects anchor head by steel wire rope,
And steel wire rope is crossed on the traction path of tugboat, new hoist cable is above carried to the traction path of tugboat by hoist engine winding steel wire rope
On, hoist engine persistently winds steel wire rope, until new hoist cable reaches installation site；
Using suspender by new hoist cable from the traction path of tugboat sling decentralization to locker, make new hoist cable be crossed on locker
On, and new hoist cable is fixed.
On the basis of technique scheme, the winding direction of old hoist cable is direction winding, the receipts of new hoist cable to inside bridge
Volume direction is to the winding of bridge lateral direction.
On the basis of technique scheme, the anchor head of old hoist cable and new rope end is enclosed with rubber blanket.
Compared with prior art, it is an advantage of the current invention that：
The kind suspension bridge sling replacing system of the present invention is it is adaptable to change that sling length is long, and the rising of lifting appliance
Hang in the case that height is unsatisfactory for construction requirement and hoist cable is changed, to needing hoist cable is transferred on tugboat, using elevator
Machine moves dragging hoist cable on tugboat, the installation of hoist cable and remove all more convenient, and can solve the problem that hanging device lifting is high
The problem that degree is not enough, has the advantages that easy for installation, to have bad luck convenient, cheap and effect high.
Brief description
Fig. 1 is the use state figure of the embodiment of the present invention；
Fig. 2 is the structural representation of tugboat in the embodiment of the present invention；
Fig. 3 is the side view of tugboat in the embodiment of the present invention；
Fig. 4 is the structural representation of roller in the embodiment of the present invention；
Fig. 5 is the structural representation after old hoist cable transfer in the embodiment of the present invention；
Fig. 6 is the structural representation in old hoist cable moving process in the embodiment of the present invention；
Fig. 7 is the structural representation after old hoist cable mobile end in the embodiment of the present invention；
Fig. 8 is that in the embodiment of the present invention, new hoist cable moves the structural representation starting；
Fig. 9 is for hoist cable new in the embodiment of the present invention to structural representation during dislocation；
Figure 10 is the structural representation after new hoist cable dislocation in the embodiment of the present invention；
Figure 11 is that in the embodiment of the present invention, new hoist cable turns the structural representation being installed in place after fixing.
In figure：1- cord clip, 2- tugboat, 20- base, 21- roller, 22- side plate, 23- roller, 24- roller bearing, 25- draws road
Footpath, 26- otic placode, 27- first reinforcing plate, 28- second reinforcing plate, 3- suspender, 30- centering identifies, 4- anchor head, and 5- hoist cable, in 50-
Point identification.
Specific embodiment
Below in conjunction with drawings and Examples, the present invention is described in further detail.
Referring to shown in Fig. 1 to Fig. 4, the embodiment of the present invention provides a kind of suspension bridge sling replacing system, for changing suspension cable
Bridge crane rope 5, including：
Cord clip 1, locker 1 has some hoist cables 5, if hoist cable therein 5 damages, needs it is changed；
It is installed on the tugboat 2 on cord clip 1, tugboat 2 includes base 20 and some rollers 21, roller 21 is installed on base,
Arcuately path forms the traction path 25 of arc to some rollers 21 side by side, and the old hoist cable before replacing needs to move from traction path 25
Go out, the new hoist cable after replacing needs to move into locker 1 from traction path；When making hoist cable removal or move into, Bu Huiyu
Locker 1 surface rubs, destroy locker 1, and draw path 25 be arc so that in hoist cable moving process will not interim card,
The mobile pull strength needing of hoist cable is less.
Base 20 includes the circular side plate 22 of two halves, and biside plate is oppositely arranged in parallel, and some rollers 21 are located at biside plate 22
Between, and some rollers 21 are along the curved edge interval setting successively of side plate 22.The bottom two ends of side plate 22 are provided with otic placode 26, ear
Plate 26 is provided with location hole.The bottom of side plate 22 is bolted on cord clip 1, in installation process, side plate 22 bottom two
The otic placode 26 at end can limit the installation site of base 20, quickly and easily mounting seat 20.Roller 21 includes roller 23 and rolling
Axle 24, the two ends of roller bearing 24 are respectively arranged on biside plate 22, and on the sheathed roller bearing 24 of roller 23, it is recessed that roller 23 surface is provided with arc
Face, some roller concave surfaces form traction path 25 it is ensured that not deviating by tugboat 2 in hoist cable sliding process, slide out from tugboat 2
Go.It is provided with the first reinforcing plate 27 connecting biside plate 22 between biside plate 22.The one side of side plate 22 is provided with two second reinforcements
Plate 28, two second reinforcing plates 289 are oppositely arranged perpendicular to the bottom of side plate 22.In the slipping of hoist cable 5, rotated by roller
The frictional force between tugboat 2 and hoist cable can be reduced, because the weight ratio of hoist cable is larger, setting reinforcing plate can increase tugboat 2
Structural strength, also reduce the volume of tugboat 2 simultaneously.
Referring to shown in Fig. 9 and Figure 10, located at the suspender 3 of cord clip 1 top, suspender 3 is used for lifting by crane hoist cable 5, and sets on suspender 3
There is centering mark 30 corresponding with halfway mark on hoist cable 50；The middle point identification 50 of new hoist cable when new hoist cable moves into, can be passed through
Corresponding with centering mark 30, and stop mobile new hoist cable.Effectively prevent the mobile hoist cable of blindness so that hoist cable can be quickly accurate
True is installed in place, and accelerates construction effect.
Two hoist engines, hoist engine is connected with the anchor head 4 being respectively arranged on hoist cable 5 both ends by steel wire rope, a hoist engine
Draw, another hoist engine is used as insurance.
With reference to shown in Fig. 5 to Figure 11, providing a kind of method changing sling of suspension bridge, comprise the following steps that：
Shown in Figure 5, using suspender 3 by old hoist cable from the traction path 25 that tugboat 2 hung oneself by locker 4, and make old
Hoist cable is crossed on tugboat 2；
Shown in Figure 6, wherein one hoist engine winds old hoist cable from one end of old hoist cable, the winding direction of hoist engine be to
Direction winding inside bridge, referring to described in Fig. 7, with the winding of hoist engine, old hoist cable moves on traction path 25, until old hoist cable
The anchor head removal tugboat 2 of the other end, and wrapped up rubber blanket on anchor head before anchor head removes tugboat 2, prevent anchor head and tugboat 2
Traction path 25 collide；After anchor head is fully removed tugboat 2, the steel wire rope of the old hoist cable other end is crossed on tugboat 2
On traction path 25, by the steel wire rope of the old hoist cable other end, hoist cable is transferred to bridge floor, complete the winding of old hoist cable；
Shown in Figure 8, the anchor head of new hoist cable one end is drawn to the replacing position of new hoist cable, a hoist engine passes through steel wire
Rope connects anchor head, and steel wire rope is crossed on the traction path 25 of tugboat 2, and hoist engine winding steel wire rope drives new hoist cable to move, volume
The winding direction raising machine is to the winding of bridge lateral direction, new hoist cable is above carried to the traction path 25 of tugboat 2, hoist engine is lasting
Winding steel wire rope, and the anchor head movement of new hoist cable one end wraps up rubber blanket to before tugboat 2 on anchor head, until new hoist cable reaches
Installation site, shown in Figure 9, the middle point identification of installed position steel wire rope is relative with the centering home position of suspender；
Referring to shown in Figure 10 and Figure 11, using suspender, new hoist cable is sling decentralization to locker 4 from the traction path 25 of tugboat 2
On, and so that new hoist cable is crossed on locker 4, and new hoist cable is fixed.Using in installation process, can repeat above
Step, new hoist cable of slinging moves after fine setting on the traction path 25 of tugboat 2, then transfers to locker 4.
To be hung on old hoist cable on tugboat 2 using suspender, old hoist cable wound by hoist engine, compare replacing old hoist cable when
The sling height of suspender, in the present invention, the sling height of suspender only needs to slightly higher than tugboat 2, and sling height is relatively low and right
Suspender requires also not high, the hoist engine old hoist cable of winding, sliding on tugboat, and the frictional force between old hoist cable and tugboat is less, tool
There have the advantages that to be time saving and energy saving.
First will be mentioned on new hoist cable on tugboat 2 using hoist engine, after sliding puts in place on tugboat 2, then will be dragged by suspender
Wheel is transferred on locker 4, and during this, the sling height of suspender is still very low, directly hangs with respect to suspender of the prior art
For being attached on locker, the efficiency of construction of the present invention is higher.
The present invention is not limited to above-mentioned embodiment, for those skilled in the art, without departing from
On the premise of the principle of the invention, some improvements and modifications can also be made, these improvements and modifications are also considered as the protection of the present invention
Within the scope of.The content not being described in detail in this specification belongs to prior art known to professional and technical personnel in the field.
Claims (10)
1. a kind of suspension bridge sling replacing system, for changing sling of suspension bridge (5) it is characterised in that including：
Cord clip (1)；
It is installed on the tugboat (2) on described cord clip (1), described tugboat (2) includes base (20) and some rollers (21), described rolling
Wheel (21) is installed on described base, and arcuately path forms the traction path (25) of arc to some described rollers (21) side by side；
Suspender (3) above described cord clip (1), described suspender (3) is used for lifting by crane described hoist cable (5) in described cord clip (1)
Change and described traction path (25) between；
Two hoist engines, described hoist engine is connected with the anchor head (4) being respectively arranged on described hoist cable (5) both ends by steel wire rope.
2. suspension bridge sling replacing system as claimed in claim 1 it is characterised in that：It is circular that described base (20) includes two halves
Side plate (22), biside plate is oppositely arranged in parallel, and some rollers (21) are between side plate described in two (22), and some described rollings
Wheel (21) is along the curved edge interval setting successively of described side plate (22).
3. suspension bridge sling replacing system as claimed in claim 2 it is characterised in that：Described roller (21) includes roller (23)
With roller bearing (24), the two ends of described roller bearing (24) are respectively arranged on side plate described in two (22), and described roller (23) is sheathed described
On roller bearing (24), described roller (23) surface is provided with arc-shaped concave, and some described roller concave surfaces form described traction path (25).
4. suspension bridge sling replacing system as claimed in claim 2 it is characterised in that：The bottom two ends of described side plate (22) set
There is otic placode (26), described otic placode (26) is provided with location hole.
5. suspension bridge sling replacing system as claimed in claim 2 it is characterised in that：The company of being provided between side plate described in two (22)
Connect first reinforcing plate (27) of side plate described in two (22).
6. suspension bridge sling replacing system as claimed in claim 2 it is characterised in that：Set on the one side of described side plate (22)
There are two second reinforcing plates (28), two second reinforcing plates (289) are oppositely arranged perpendicular to the bottom of described side plate (22).
7. suspension bridge sling replacing system as claimed in claim 1 it is characterised in that：Described suspender (3) be provided with for
Corresponding centering mark (30) using of middle point identification (50) on described hoist cable (5).
8. a kind of replacing sling of suspension bridge based on suspension bridge sling replacing system as described in any one of claim 1～7
Method is it is characterised in that comprise the following steps that：
Using suspender (3) by old hoist cable from the traction path (25) that tugboat (2) hung oneself by locker (4), and make old hoist cable across setting
On tugboat (2)；
Wherein one hoist engine winds old hoist cable from one end of old hoist cable, until anchor head removal tugboat (2) of the old hoist cable other end, leads to
The steel wire rope crossing the old hoist cable other end transfers hoist cable to bridge floor, completes the winding of old hoist cable；
The anchor head of new hoist cable one end is drawn to the replacing position of new hoist cable, a hoist engine connects anchor head by steel wire rope, and steel
Cord is crossed on the traction path (25) of tugboat (2), and new hoist cable is above carried to the traction of tugboat (2) by hoist engine winding steel wire rope
On path (25), hoist engine persistently winds steel wire rope, until new hoist cable reaches installation site；
Using suspender by new hoist cable from the traction path (25) of tugboat (2) sling decentralization to locker (4), so that new hoist cable is crossed on
On locker (4), and new hoist cable is fixed.
9. as claimed in claim 7 change sling of suspension bridge method it is characterised in that：The winding direction of old hoist cable is to bridge
The winding of inner side direction, the winding direction of new hoist cable is to the winding of bridge lateral direction.
10. as claimed in claim 7 change sling of suspension bridge method it is characterised in that：Old hoist cable and new rope end
Anchor head is enclosed with rubber blanket.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611058841.3A CN106480822B (en) | 2016-11-25 | 2016-11-25 | A kind of suspension bridge sling replacing system and the method for replacing sling of suspension bridge |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201611058841.3A CN106480822B (en) | 2016-11-25 | 2016-11-25 | A kind of suspension bridge sling replacing system and the method for replacing sling of suspension bridge |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106480822A true CN106480822A (en) | 2017-03-08 |
| CN106480822B CN106480822B (en) | 2018-07-06 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201611058841.3A Active CN106480822B (en) | 2016-11-25 | 2016-11-25 | A kind of suspension bridge sling replacing system and the method for replacing sling of suspension bridge |
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| CN (1) | CN106480822B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106758860A (en) * | 2017-03-13 | 2017-05-31 | 中交第四公路工程局有限公司 | A kind of across cable walking cord clip handling erecting device and method |
| CN107165050A (en) * | 2017-06-29 | 2017-09-15 | 中铁大桥科学研究院有限公司 | A kind of cord clip of suspension bridge screw rod axle power construction method |
| CN109537476A (en) * | 2018-12-10 | 2019-03-29 | 河海大学 | The double interim rope self-balancings of pin ear formula pull formula suspension bridge sling replacing underpinning device |
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| JPH02167907A (en) * | 1988-12-21 | 1990-06-28 | Taisei Corp | Method for installing stay cable for cable stayed bridge |
| KR20090000443A (en) * | 2007-06-28 | 2009-01-07 | 대림산업 주식회사 | Pulley block passing-device for pws cable installation in suspension bridges |
| CN201678360U (en) * | 2010-04-15 | 2010-12-22 | 中国石油化工集团公司 | Hoist for hoisting equipment |
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| CN202047306U (en) * | 2010-12-31 | 2011-11-23 | 上海浦江缆索股份有限公司 | Shaping device for unwinding cable strands |
| CN203393627U (en) * | 2013-07-04 | 2014-01-15 | 中交二公局第五工程有限公司 | Long cable traction automatic pressure balancing supporting frame |
| CN203546614U (en) * | 2013-10-30 | 2014-04-16 | 中交二航局第四工程有限公司 | Suspension bridge main cable erecting device |
| CN206438402U (en) * | 2016-11-25 | 2017-08-25 | 中铁大桥局武汉桥梁特种技术有限公司 | A kind of suspension bridge sling replacing system |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| US4264996A (en) * | 1977-11-14 | 1981-05-05 | Rudolf Baltensperger | Suspension-cable support saddle for track-type suspended railway |
| JPH02167907A (en) * | 1988-12-21 | 1990-06-28 | Taisei Corp | Method for installing stay cable for cable stayed bridge |
| KR20090000443A (en) * | 2007-06-28 | 2009-01-07 | 대림산업 주식회사 | Pulley block passing-device for pws cable installation in suspension bridges |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106758860A (en) * | 2017-03-13 | 2017-05-31 | 中交第四公路工程局有限公司 | A kind of across cable walking cord clip handling erecting device and method |
| CN106758860B (en) * | 2017-03-13 | 2019-01-25 | 中交四公局第六工程有限公司 | Across the cable walking cord clip handling mounting device of one kind and method |
| CN107165050A (en) * | 2017-06-29 | 2017-09-15 | 中铁大桥科学研究院有限公司 | A kind of cord clip of suspension bridge screw rod axle power construction method |
| CN107165050B (en) * | 2017-06-29 | 2019-01-04 | 中铁大桥科学研究院有限公司 | A kind of cord clip of suspension bridge screw rod axle power construction method |
| CN109537476A (en) * | 2018-12-10 | 2019-03-29 | 河海大学 | The double interim rope self-balancings of pin ear formula pull formula suspension bridge sling replacing underpinning device |
| CN109537476B (en) * | 2018-12-10 | 2024-02-23 | 河海大学 | Pin lug type double-temporary-rope self-balancing pulling type suspension bridge sling replacement underpinning device |
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| Publication number | Publication date |
|---|---|
| CN106480822B (en) | 2018-07-06 |
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| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Lin Yining Inventor after: Peng Zewei Inventor after: Liu Jian Inventor after: Zhao Wensheng Inventor after: Zhang Chaofu Inventor after: Yang Xianquan Inventor after: Ding Yunbo Inventor after: Wang Jiezao Inventor after: Chen Zhimin Inventor after: Li Wei Inventor after: Jiang Yong Inventor after: Guo Hongguang Inventor after: Xie Xiang Inventor after: Shi Heng Inventor after: Zhang Jun Inventor before: Wang Jiezao Inventor before: Peng Zewei Inventor before: Liu Jian Inventor before: Zhao Wensheng Inventor before: Zhang Chaofu Inventor before: Yang Xianquan Inventor before: Ding Yunbo Inventor before: Chen Zhimin Inventor before: Li Wei Inventor before: Lin Yining Inventor before: Jiang Yong Inventor before: Guo Hongguang Inventor before: Xie Xiang Inventor before: Shi Heng Inventor before: Zhang Jun |
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| GR01 | Patent grant | ||
| GR01 | Patent grant |