CN102808380B - Cable saddle transverse moving system and cable saddle transverse moving construction method - Google Patents
Cable saddle transverse moving system and cable saddle transverse moving construction method Download PDFInfo
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- CN102808380B CN102808380B CN201210297843.3A CN201210297843A CN102808380B CN 102808380 B CN102808380 B CN 102808380B CN 201210297843 A CN201210297843 A CN 201210297843A CN 102808380 B CN102808380 B CN 102808380B
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- rib
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- cable saddle
- lifting section
- lifting
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Abstract
The invention discloses a cable saddle transverse moving system and a cable saddle transverse moving construction method. The cable saddle transverse moving system is characterized in that a pulley block is installed on a steel cable between a cable saddle flatcar and a steering seat, a small-diameter steel cable which is connected with the pulley block and a hoist is wound through the steering seat to enable the steel cable to pass through the steering seat more easily, the contact area between the steel cable and the steering wheel of the steering seat is reduced, the friction between the steel cable and the steering wheel of the steering seat is reduced, the wear caused by the friction between the steel cable and the steering wheel of the steering seat is reduced and the risk that the steel cable is broken due to the wear is reduced. The cable saddle transverse moving construction method is characterized in that a ship is used for transporting arch rib sections; after the ship reaches a position right below the installation position of the arch rib sections, the body of the ship is stopped, anchored and fixed along the water flowing direction of a river, only the head or the tail of the ship is under the impact of water flow, the impact of the water flow to the body of the ship is reduced, and the ship can realize the transportation and the hoisting of the arch rib sections in a raging river channel without being turned over from one side.
Description
Technical field
The invention belongs to bridge construction engineering field, relate in particular to a kind of cable saddle crossing system and the traversing construction method of cable saddle.
Background technology
In bridge construction construction, particularly in the building operations of arch bridge, due to the not restriction of the factor such as climate and landform of cable crane, thus cable hoisting construction method extensively use with current bridge construction construction in, the main method of the current long-span arch bridge erection without scaffolding of Ye Shi China.So-called cable hoisting construction method is, on two pylon tops, cable saddle is installed, and cable wire is installed between cable saddle, utilizes cable wire as load-carrying members, comes and goes mobile lifting rib-lifting section carry out operation with loading trolley on carrier cable.In order to realize the lifting of different axis arch ribs, normally tower top is laid track, then cable saddle is installed in orbit, axial location with hoist engine traction cable saddle along rail moving to each arch rib is carried out the lifting work of rib-lifting section, because current hoist engine is usually placed in ground, so need to steering base be set at tower top two ends, the cable wire that connects cable saddle and hoist engine is transferred to vertically by level.At present, in order to reduce the requirement to hoist engine power traction, normally on the cable wire connecting between hoist engine and steering base, tackle pulley is installed, adopt after such structure, make the cable wire between cable wire and tackle pulley and the hoist engine of tackle pulley can adopt less diameter just can reach requirement of strength, and by contrast, the cable wire that connects cable saddle and tackle pulley needs to adopt the cable wire that relative diameter is larger just can reach requirement of strength, but, large diameter cable wire is when through steering base, due to large with the deflecting roller contact area of steering base, thereby there is larger frictional force, cause the serious wear of the deflecting roller of this section of cable wire and steering base, when serious, cause this section of cables break, lead to major accident.
In the Construction of Arch Bridges across river or cross a river, the installation of arch rib accounts for extremely important position, at present, normally spelling rib-lifting section in the factory of land, then rib-lifting section is transported to bridge construction position, then by cable hoisting construction method, rib-lifting section is promoted to installation site, carries out spelling and obtain arch rib.In construction, to adopt ship by the by sea rib-lifting section cable below of delivering to, because rib-lifting section is long strip type, in transport, loading for convenient, is that rib-lifting section is placed along hull, in the time that shipping agency sails to cable below, the rib-lifting section of loading vessel is along river course direction, with the sections of installation in position in vertical state, so ship need to be turned to, make hull in cable below and with body of a bridge direction one to.Now, hull is horizontal on river surface or river surface, and the state that ship is impacted in a side hull, in the river course that The turbulent river crashes its way through, very easily makes hull topple, thereby causes great engineering accident, so need at present a kind of safe rib-hoisting construction method badly.
Summary of the invention
The object of the invention is to overcome in the traversing construction of current cable saddle, the cable wire that connects cable saddle and hoist engine, because causing the deficiency of cables break with the deflecting roller serious wear of steering base, provides a kind of cable saddle crossing system that has effectively reduced the friction between connection cable saddle and the cable wire of hoist engine and the deflecting roller of steering base.
In order to realize foregoing invention object, the invention provides following technical scheme:
A kind of cable saddle crossing system, comprise: traversing guide rail, two cable saddles, two cable saddle flatcars, connecting rod and two steering bases, described traversing guide rail is fixedly mounted on tower top, described two cable saddle flatcars are slidably mounted on respectively on traversing guide rail, on described two cable saddle flatcars, fixedly mount respectively a cable saddle, described two cable saddle flatcars connect by described connecting rod, described two steering bases are fixedly mounted on respectively described guide rail two ends, hoist engine of layout respectively of described two steering base corresponding ground positions, described hoist engine is walked around corresponding steering base by cable and is connected with one end of corresponding cable saddle flatcar, on cable between described cable saddle flatcar and described corresponding steering base, one group of tackle pulley is installed respectively.Tackle pulley is arranged on the cable wire between cable saddle flatcar and steering base, walk around steering base with the cable wire that the diameter that connects tackle pulley and hoist engine is less, make cable wire more easily pass through steering base, reduce the contact area between cable wire and the deflecting roller of steering base, thereby reduce the frictional force between cable wire and the deflecting roller of steering base, and then alleviated the wearing and tearing between cable wire and the runner of steering base, reduce the danger that cable wire ruptures because of wearing and tearing.
The traversing construction method of a kind of cable saddle, comprise the following steps, be followed successively by: installation cable saddle crossing system, layout lifting cable and loading trolley, transport rib-lifting section, lifting rib-lifting section, contraposition arch rib erection sections, traversing cable saddle system are installed next rib-lifting section, in described transport rib-lifting section step, be to adopt ship to transport rib-lifting section, after described ship arrives under rib-lifting section installation site, hull stops and casting anchor fixing along river water (flow) direction.Hull is parked along river water (flow) direction, only on the bow or stern be subject to the impact of current, reduced hull and be subject to the impact force of current, hull is more stable, makes also to carry out in the river course that The turbulent river crashes its way through the transport of rib-lifting section and lifting and can not turn on one's side.
Further, in described lifting rib-lifting section step, described loading trolley lower end is connected with rotation suspension hook.Described shackle hook hooks rib-lifting section, under the power providing, lifts by crane rib-lifting section at lifting cable, in the time that rib-lifting section hangs hull, rib-lifting section rotation, to consistent with arch rib direction, and then continued to hang and rises rib-lifting section to installation site and install.
As preferred version of the present invention, described rib-lifting section is placed along hull.Rib-lifting section is long strip type, places along hull, can, by aboard ship placed side by side many rib-lifting sections, once transport, and has improved conevying efficiency, has saved cost of transportation.
As another preferred version of the present invention, described transport rib-lifting section transport adopts two ships to transport, and described rib-lifting section is placed on two ships side by side perpendicular to hull.In the time that single-unit rib-lifting section weight cannot be carried compared with a large and ship, adopt two ships to transport side by side rib-lifting section, when adopting two ships carrying rib-lifting sections, while hanging liter this rib-lifting section, no longer need to rotate rib-lifting section and just can directly hang and rise to installation site.
The traversing construction method of cable saddle of the present invention, the cargo ship of transport rib-lifting section is along river water (flow) direction, only on the bow or stern be subject to the impact of current, reduce the impact force that hull is subject to current, hull is more stable, makes also to carry out in the river course that The turbulent river crashes its way through the transport of rib-lifting section and lifting and can not turn on one's side.
compared with prior art, beneficial effect of the present invention:
1, cable saddle crossing system of the present invention, tackle pulley is arranged on the cable wire between cable saddle flatcar and steering base, walk around steering base with the cable wire that the diameter that connects tackle pulley and hoist engine is less, make cable wire more easily pass through steering base, reduce the contact area between cable wire and the deflecting roller of steering base, thereby reduce the frictional force between cable wire and the deflecting roller of steering base, and then alleviated the wearing and tearing between cable wire and the runner of steering base, reduced the danger that cable wire ruptures because of wearing and tearing.
2, the traversing construction method of cable saddle of the present invention, the cargo ship of transport rib-lifting section is along river water (flow) direction, only on the bow or stern be subject to the impact of current, reduce the impact force that hull is subject to current, hull is more stable, makes also to carry out in the river course that The turbulent river crashes its way through the transport of rib-lifting section and lifting and can not turn on one's side.
Brief description of the drawings:
Fig. 1 is cable saddle crossing system structure chart,
In Fig. 1: 1-pylon, 2-steering base I, 3-tackle pulley I, 4-cross moving track, 5-cable saddle flatcar I, 6-cable saddle I, 7-connecting rod, 8-cable saddle flatcar II, 9-cable saddle II, 10-tackle pulley II, 11-steering base II, 12-hoist engine II, 13-hoist engine I;
Fig. 2 is the traversing construction method flow chart of cable saddle;
Fig. 3 is Ship Transportation rib-lifting section schematic diagram,
In Fig. 3: 301-water (flow) direction, 302-hull, 303-rib-lifting section;
Fig. 4 is shackle hook mounting structure figure,
In Fig. 4: 401-loading trolley, 402-shackle hook;
Fig. 5 rises rib-lifting section schematic diagram for hanging;
Fig. 6 is two Ship Transportation rib-lifting section schematic diagrames.
Detailed description of the invention
Below in conjunction with test example and detailed description of the invention, the present invention is described in further detail.But this should be interpreted as to the scope of the above-mentioned theme of the present invention only limits to following embodiment, all technology realizing based on content of the present invention all belong to scope of the present invention.
A kind of cable saddle crossing system, as shown in Figure 1, comprise: traversing guide rail 4, cable saddle 6, cable saddle 9, cable saddle flatcar 5, cable saddle flatcar 8, connecting rod 7, steering base 2 and steering base 11, described traversing guide rail 4 is fixedly mounted on pylon 1 top, described cable saddle flatcar 5 and cable saddle flatcar 8 are slidably mounted on respectively on traversing guide rail 4, on described cable saddle flatcar 5 and cable saddle flatcar 8, fixedly mount respectively a cable saddle 6 and cable saddle 9, described cable saddle flatcar 5 is connected by described connecting rod 7 with cable saddle flatcar 8, described steering base 2 and steering base 11 are fixedly mounted on respectively described guide rail 4 two ends, hoist engine 13 of layout respectively and the hoist engine 12 of described steering base 2 and steering base 11 corresponding ground positions, described hoist engine 13 is walked around steering base 2 by cable and is connected with one end of corresponding cable saddle flatcar 5, described hoist engine 12 is walked around steering base 11 by cable and is connected with one end of corresponding cable saddle flatcar 8, on cable between described cable saddle flatcar 5 and described corresponding steering base 2, one group of tackle pulley 3 is installed, on cable between described cable saddle flatcar 8 and described corresponding steering base 11, one group of tackle pulley 10 is installed.Realization controls cable saddle 6 by hoist engine 12 and hoist engine 13 and cable saddle 9 moves along guide rail 4.
In cable saddle crossing system of the present invention, tackle pulley is arranged on the cable wire between cable saddle flatcar and steering base, walk around steering base with the cable wire that the diameter that connects tackle pulley and hoist engine is less, make cable wire more easily pass through steering base, reduce the contact area between cable wire and the deflecting roller of steering base, thereby reduce the frictional force between cable wire and the deflecting roller of steering base, and then alleviated the wearing and tearing between cable wire and the runner of steering base, reduced the danger that cable wire ruptures because of wearing and tearing.
The traversing construction method of cable saddle of the present invention, as shown in Figure 2, comprise the following steps, be followed successively by: installation cable saddle crossing system (as shown in Figure 1), layout lifting cable and loading trolley, transport rib-lifting section, lifting rib-lifting section, contraposition arch rib erection sections, traversing cable saddle system are installed next rib-lifting section, in described transport rib-lifting section step, be to adopt ship to transport rib-lifting section, after described ship arrives under rib-lifting section installation site, hull stops and casting anchor fixing (as shown in Figure 3) along river water (flow) direction.Hull is parked along river water (flow) direction, only on the bow or stern be subject to the impact of current, reduced hull and be subject to the impact force of current, hull is more stable, makes also to carry out in the river course that The turbulent river crashes its way through the transport of rib-lifting section and lifting and can not turn on one's side.
Further, in described lifting rib-lifting section step, as shown in Figure 4, described loading trolley 401 lower ends are connected with rotates suspension hook 402.Described shackle hook 402 hooks rib-lifting section 303(as shown in Figure 5), under the power providing at lifting cable, lift by crane rib-lifting section, in the time that rib-lifting section hangs hull, rib-lifting section rotation, to consistent with arch rib direction, and then continued to hang and rises rib-lifting section to installation site and install.
As preferred version of the present invention, as shown in Figure 3, described rib-lifting section 303 is placed along hull 302.Rib-lifting section is long strip type, places along hull, can, by aboard ship placed side by side many rib-lifting sections, once transport, and has improved conevying efficiency, has saved cost of transportation.
As another preferred version of the present invention, as shown in Figure 6, described transport rib-lifting section 303 transports adopt two ships 302 to transport, and described rib-lifting section 303 is placed on two ships 302 side by side perpendicular to hull.In the time that single-unit rib-lifting section weight cannot be carried compared with a large and ship, adopt two ships to transport side by side rib-lifting section, when adopting two ships carrying rib-lifting sections, while hanging liter this rib-lifting section, no longer need to rotate rib-lifting section and just can directly hang and rise to installation site.
The traversing construction method of cable saddle of the present invention, the cargo ship of transport rib-lifting section is along river water (flow) direction, only on the bow or stern be subject to the impact of current, reduce the impact force that hull is subject to current, hull is more stable, makes also to carry out in the river course that The turbulent river crashes its way through the transport of rib-lifting section and lifting and can not turn on one's side.
Claims (2)
1. the traversing construction method of cable saddle, comprise the following steps: cable saddle crossing system is installed, arrange lifting cable and loading trolley, transport rib-lifting section, promote rib-lifting section, contraposition arch rib erection sections, traversing cable saddle system is installed next rib-lifting section, in described transport rib-lifting section step, be to adopt ship to transport rib-lifting section, it is characterized in that, after described ship arrives under rib-lifting section installation site, hull stops and casting anchor fixing along river water (flow) direction, described transport rib-lifting section transport adopts two ships to transport, described rib-lifting section is placed on two ships side by side perpendicular to hull, described cable saddle crossing system, comprise: cable saddle flatcar, steering base and hoist engine, described cable saddle flatcar is connected with hoist engine by the cable of walking around steering base, on cable between described cable saddle flatcar and steering base, tackle pulley is installed.
2. construction method as claimed in claim 1, is characterized in that, in described lifting rib-lifting section step, described loading trolley lower end is connected with rotation suspension hook.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210297843.3A CN102808380B (en) | 2012-08-21 | 2012-08-21 | Cable saddle transverse moving system and cable saddle transverse moving construction method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210297843.3A CN102808380B (en) | 2012-08-21 | 2012-08-21 | Cable saddle transverse moving system and cable saddle transverse moving construction method |
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| CN102808380A CN102808380A (en) | 2012-12-05 |
| CN102808380B true CN102808380B (en) | 2014-12-10 |
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Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN103243649B (en) * | 2013-05-21 | 2015-07-29 | 中交四航局第一工程有限公司 | The system and method for a kind of cable saddle Fast Installation, location |
| CN103362070B (en) * | 2013-08-05 | 2014-07-23 | 湖南省建筑工程集团总公司 | Cable saddle transverse moving system of large-tonnage cable crane and cable saddle transverse moving method |
| CN105386410B (en) * | 2015-12-14 | 2017-03-22 | 中交一公局第三工程有限公司 | Splay cable saddle posture adjusting and transferring flatcar |
| CN107354873A (en) * | 2017-08-30 | 2017-11-17 | 广西路桥工程集团有限公司 | A kind of cable hoisting and rotator construction system |
| CN108708287A (en) * | 2018-06-04 | 2018-10-26 | 中交四公局第六工程有限公司 | A kind of translating device of cable saddle installation |
| CN112779867A (en) * | 2021-03-22 | 2021-05-11 | 广西路桥工程集团有限公司 | Construction method for forward hanging of arch rib segments of steel pipe basket arch bridge |
| CN114753262A (en) * | 2022-05-12 | 2022-07-15 | 中铁广州工程局集团有限公司 | Cable crane for hoisting basket arch and cable saddle double-transverse-moving system and method |
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Address after: 530011 No. 17 Zhonghua Road, the Guangxi Zhuang Autonomous Region, Nanning Patentee after: Guangxi road and bridge engineering Group Co., Ltd Address before: 530011 No. 17 Zhonghua Road, the Guangxi Zhuang Autonomous Region, Nanning Patentee before: Guangxi Zhuang Nationality Autonomous Region Highway Bridge Engineering Company |