CN207775719U - A kind of Bridge Erector for setting up full precast beam - Google Patents

A kind of Bridge Erector for setting up full precast beam Download PDF

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Publication number
CN207775719U
CN207775719U CN201721214672.8U CN201721214672U CN207775719U CN 207775719 U CN207775719 U CN 207775719U CN 201721214672 U CN201721214672 U CN 201721214672U CN 207775719 U CN207775719 U CN 207775719U
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China
Prior art keywords
leg
horn
supporting leg
strut
bridge
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Withdrawn - After Issue
Application number
CN201721214672.8U
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Chinese (zh)
Inventor
张志华
贾力锋
陈德利
代宇
王琪
程波
陈媛媛
陈永久
牛青林
李军超
张俊艳
白康
宋飞
宋鲁竞
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Zhengzhou New Dafang Heavy Industries and Technology Co Ltd
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Zhengzhou New Dafang Heavy Industries and Technology Co Ltd
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Priority to CN201721214672.8U priority Critical patent/CN207775719U/en
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Abstract

The utility model discloses a kind of Bridge Erectors for setting up full precast beam, including the horn along longitudinal direction with laterally equal symmetric design, affiliated horn is double box-beam structures, the auxiliary leg before the front end of horn is equipped with, it is equipped in the rear end of horn and rises supporting leg, it is equipped with the front leg strut and rear support leg that can be walked along longitudinal direction at the middle part of horn, is furnished with support supporting leg in the rear side of rear support leg;The bridging method carried out using above-mentioned Bridge Erector is highly suitable for surrounding city, and execution conditions are complicated, and the big place of construction environment traffic pressure carries out the fast erecting of the aerial parts overpass such as urban road, urban light rail and subway line;Overhead highway in China, urban light rail, the construction of subway elevated bridge will be pushed to develop to greenization, batch production, standardized construction direction, economical, societal benefits will increasingly significantly.

Description

A kind of Bridge Erector for setting up full precast beam
Technical field
The utility model belongs to precast bridge technical field of construction, more particularly to a kind of bridge formation for setting up full precast beam Machine.
Background technology
With the quickening of Chinese Urbanization pace of construction, in order to economize the land resource, urban road, urban light rail and subway The aerial parts overpass such as circuit is more and more.It is with previous overpass the difference is that these elevated bridges mostly occur In surrounding city, execution conditions are complicated, and construction environment traffic pressure is big, and to Bridge Erector adaptability, more stringent requirements are proposed.
At this stage common highway bridging machine construction technology it is ripe and be widely used, but it the shortcomings that with work condition environment Development be also that more utility model is aobvious:
1, existing highway bridge pier stud and bent cap generally take the binding installation of on-site hoisting reinforcing bar, and in-site installation template, scene is poured The mode of maintenance is built, quality control difficulties larger by natural environment influence of constructing are serious to ambient contamination.
2, existing Bridge Erector usually itself cannot achieve reversed construction, be typically necessary the auxiliary dismounting of large tonnage crane, Even carrying out the dismounting of complete machine can realize;
3, many during existing Bridge Erector via traveling to require to be laid with vertical shift rail in beam face, not only to bridge by Power is unfavorable, also influences construction efficiency;
4, be not when each supporting leg via of existing Bridge Erector wheel track bridge floor traveling be exactly hang it is wheeled, it is previous in both modes Kind construction bridge floor heavy workload, efficiency is low, and influences stress of having built bridge;Latter is repeatedly propped up during practical application Leg is fallen or traveling is unsmooth, caused by loss it is very big.
It is more and more urgent to be consequently for overhead highway, urban light rail, the Bridge Erector demand of subway overpass.
Utility model content
The utility model aim is to propose a kind of Bridge Erector for setting up full precast beam to solve above-mentioned technical problem, It is adopted the technical scheme that in order to achieve the above objectives:
A kind of Bridge Erector for setting up full precast beam, including the horn with laterally equal symmetric design along longitudinal direction, affiliated machine Arm is double box-beam structures, and the auxiliary leg before the front end of horn is equipped with is equipped in the rear end of horn and rises supporting leg, in horn Middle part be equipped with the front leg strut and rear support leg that can walk along longitudinal direction, be furnished with support supporting leg in the rear side of rear support leg, wherein preceding branch Leg, rear support leg, support supporting leg and supporting leg is risen for horn to be supported on pier column or bridge on piece, preceding auxiliary leg is used for will Horn front support is in abutment ground, lifting trolley, preceding lifting trolley and rear lifting equipped with preceding lifting trolley and afterwards on horn Trolley is equipped with separate lifting mechanism, walking mechanism and transverse-moving mechanism, is equipped in the bottom of front leg strut and rear support leg Traversing idler wheel matches the cross moving track for being useful for idler wheel and laterally walking in the bottom of front leg strut and rear support leg;In preceding auxiliary leg, preceding It supporting leg, rear support leg, support supporting leg and rises and is equipped with respective lifting body on supporting leg.
Preferably, the preceding auxiliary leg include successively from top to bottom connecting rod, draw money on credit strut and bottom supporting leg, connecting rod can Dismantling connection is detachably connected on the front end of horn, the lower end of connecting rod and the top for strut of drawing money on credit, the lower end for strut of drawing money on credit with Bottom supporting leg is detachably connected, and lifting body is arranged on the supporting leg of bottom;Lifting trolley is equipped with rotating mechanism, the whirler before described The lifting mechanism of lifting trolley rotates in the horizontal plane before structure drives.
Preferably, it the front leg strut, rear support leg, support supporting leg and rises supporting leg and is equipped with respective left column, right column So as to from intermediate transport bridge beam piece, pier column or bent cap.
The utility model has following beneficial effect compared with prior art:
(1)This construction method can not only complete the erection installation in whole hole, can also complete before precast pier column, bent cap across " one-stop " erection and installation, be a kind of economic, efficiently form of construction work;
(2)This construction method is when carrying out via step, small by preceding lifting without being laid with vertical shift rail on bridge floor Vehicle lifts by crane trolley, front leg strut, rear support leg, support supporting leg and rises working in coordination for supporting leg and can realize self-service via afterwards, greatly Construction efficiency is improved greatly, shortens the construction time;
(3)Simultaneously in via, the preceding lifting trolley and rear lifting trolley that are carried using Bridge Erector carry out Unwinding fortune, and safety is Number is high, greatly reduces the generation of accident;
(4)This construction method only needs general crane to coordinate itself again under conditions of no large tonnage crane assists Preceding lifting trolley, afterwards lift by crane trolley, front leg strut, rear support leg, support supporting leg and rise supporting leg can be fast in smaller construction site The action adjustment of negative direction construction is completed fastly;
(5)This construction method full bridge structure, such as pier column, bent cap, bridge piece etc. be factory shift to an earlier date it is prefabricated form, It need to only transport to scene and carry out erection installation;Reduce requirement of the construction to site environment, production efficiency is high, and prefabricated Control of product quality it is good, the quality of bridge is high, integrated engineering low cost;
(6)This construction method is highly suitable for surrounding city, and execution conditions are complicated, the big place of construction environment traffic pressure Carry out the fast erecting of the aerial parts overpass such as urban road, urban light rail and subway line;Highway in China height will be pushed Frame, urban light rail, the construction of subway elevated bridge develop to greenization, batch production, standardized construction direction, economic, society's effect Benefit will increasingly significantly.
Description of the drawings
Fig. 1 is the structural schematic diagram of Bridge Erector;
Fig. 2 is step A schematic diagrames;
Fig. 3 is step B schematic diagrames;
Fig. 4 is one of step C schematic diagrames;
Fig. 5 is the two of step C schematic diagrames;
Fig. 6 is one of step D schematic diagrames;
Fig. 7 is the two of step D schematic diagrames;
Fig. 8 is one of step F schematic diagrames;
Fig. 9 is the two of step F schematic diagrames.
Specific implementation mode
The utility model is further described below in conjunction with the accompanying drawings.
As shown in Figure 1, used Bridge Erector includes that the horn 3 with laterally equal symmetric design, affiliated horn 3 are along longitudinal direction Double box-beam structures, the auxiliary leg 8 before the front end of horn 3 is equipped with, preceding auxiliary leg 8 include connecting rod successively from top to bottom 20, draw money on credit strut 22 and bottom supporting leg 21, connecting rod 20 is detachably connected on the front end of horn 3, the lower end of connecting rod 20 with draw money on credit The top of strut 22 is detachably connected, and lower end and the bottom supporting leg 21 of strut 22 of drawing money on credit are detachably connected, and are equipped on bottom supporting leg 21 Lifting body is equipped in the rear end of horn 3 and rises supporting leg 4, and it can be construction direction walking along longitudinal direction to be equipped at the middle part of horn 3 Front leg strut 7 and rear support leg 6, rear support leg 6 rear side be furnished with support supporting leg 5, wherein front leg strut 7, rear support leg 6, support supporting leg 5 are used to horn 3 being supported on pier column or bridge on piece with supporting leg 4 is risen, and preceding auxiliary leg 8 is used for 3 front support of horn In abutment ground, it is all provided with rear lifting trolley 1 equipped with preceding lifting trolley 2 and rear lifting trolley 1, preceding lifting trolley 2 on horn 3 There are separate lifting mechanism, walking mechanism and transverse-moving mechanism, preceding lifting trolley 2 to be equipped with rotating mechanism, the rotating mechanism The lifting mechanism of lifting trolley rotates in the horizontal plane before driving;It is equipped with traversing rolling in the bottom of front leg strut 7 and rear support leg 6 Wheel, the cross moving track for being useful for idler wheel and laterally walking is matched in the bottom of front leg strut 7 and rear support leg 6, and front leg strut 7, is held rear support leg 6 It support supporting leg 5 and rises supporting leg 4 and is equipped with respective left column, right column and crossbeam so as to from intermediate transport bridge beam piece, pier column Or bent cap;In preceding auxiliary leg 8, front leg strut 7, rear support leg 6, support supporting leg 5 and rises and be equipped with respective jack on supporting leg 4 Structure.
A kind of construction method of full precast bridge, sets Pn pier columns 13 and Pn along construction direction for ease of description All Pn bridges pieces have been set up between+Bridge 1 pier stud 14 and have formed Pn section bridge floors 10, have then been carried out using above-mentioned Bridge Erector Following steps:
A:The Pn+3 pier columns of side are first set up, then set up the Pn+3 pier columns of the other side;
B:During Pn+3 pier columns grouting etc. is strong, between installation Pn+1 pier columns 14 and Pn+2 pier columns 15 Pn+1 bridge pieces;
C:After all Pn+1 bridge pieces set up and complete to be formed Pn+1 section bridge floors 16, in two Pn+3 pier columns Between set up Pn+3 bent caps;
D:After reaching requirement Deng Pn+3 bent cap filling intensities, Bridge Erector via carries out the construction of Pn+4 pier columns;
E:Step A to D is repeated, until final section bridge piece is installed.
After the completion of step E, step F can also be carried out:Carry out negative direction construction.
As shown in Fig. 2, the step A specifically comprises the following steps:
A1:8 station of preceding auxiliary leg of Bridge Erector is on the bracket by Pn+3 bridge pier bases, and front leg strut station 7 is in Pn+2 bridges On pier stud 15 on the track of Pn+2 bent caps 16, rear support leg 6 and support supporting leg 5 are stood on Pn section bridge floors 10;
A2:Front and back two beam cars 9,12 feed Pn+3 pier columns 11 from Bridge Erector rear end;
A3:Preceding lifting trolley 2 lifts the front end of Pn+3 pier columns 11, and then beam car 9 moves ahead together, waits for Hou Yunliang When vehicle 9 is by nearby beam car 12, the rear rear end lifted by crane trolley 1 and lift Pn+3 pier columns 11, preceding lifting trolley 2 and after lift by crane it is small Pn+3 pier columns 11 are transported to Pn+3 pier column installation site suitable positions by vehicle 1;
A4:Preceding lifting trolley 2 remains stationary as, and the rear trolley 1 that lifts by crane gradually leans on nearby lifting trolley 2 and simultaneously lower section Pn+3 11 rear end of pier column, until 11 state in a vertical shape of Pn+3 pier columns;
A5:Trolley 1 is lifted by crane afterwards and Pn+3 pier columns 11 are detached from, and preceding lifting trolley 2 independently lifts Pn+3 pier columns 11 And it is installed in corresponding position, complete the construction of side Pn+3 pier columns 11;
A6:Transverse shifting Bridge Erector repeats the construction that step A1 to A5 completes other side Pn+3 pier columns 11.
As shown in figure 3, the step B includes the following steps:
B1:Preceding lifting trolley 2 and rear lifting trolley 1 take Pn+1 bridge pieces from beam car, and are transported to Pn+1 Between pier column 14 and Pn+2 pier columns 15, erection installation is carried out;
B2:Transverse shifting Bridge Erector, repeating step B1, installation is complete forms up to setting up all Pn+1 bridge pieces Pn+1 saves bridge floor 17.
Such as Fig. 4, shown in Fig. 5, the step C includes the following steps:
C1:Lifting trolley 2 can lift by crane before Pn+3 bent caps 18 are transported to by beam car from the bridge floor of Bridge Erector rear end Region;
C2:Between slinging Pn+3 bent caps 18 using preceding lifting trolley 2 and be transported to two Pn+3 pier columns, then Pn+3 bent caps 18 are rotated, by it across on two Pn+3 pier columns 11.
Such as Fig. 6, step D includes the following steps described in Fig. 7:
D1:Bridge Erector is traversing to wire center, and 8 station of preceding auxiliary leg is on the bracket of Pn+3 bridge pier bases, preceding auxiliary branch Leg 8, front leg strut 7 and support supporting leg 5 support horn 3, and rear support leg 6 is hoisted to the Pn at 7 rear of front leg strut with preceding lifting trolley 2 On+1 section bridge floor 16 and horn 3 is supported, then front leg strut 7 is hoisted on the track of Pn+3 bent caps using preceding lifting trolley 2;
D2:Preceding lifting trolley and rear lifting trolley are stepped back to 6 top of rear support leg, preceding auxiliary leg 8 is packed up and rise branch 4 horn of leg advances a distance, and when rising supporting leg 4 close to support supporting leg 5, horn halts, and rises 4 support machine of supporting leg Arm 3, the rear rear lifted by crane trolley 1 and support supporting leg 5 is hoisted to rear support leg 6;
D3:Preceding lifting trolley 2 and rear lifting trolley 1 run to 6 top of rear support leg, pack up preceding auxiliary leg 8 and rise branch Leg 4, machine, 3, which move on auxiliary leg 8 before a distance gradually makes, reaches on the bracket of Pn+4 bridge pier bases, at the same time Preceding lifting trolley 2 is synchronous with rear lifting trolley 1 to retreat the top for being maintained at rear support leg.
Such as Fig. 8, shown in Fig. 9, the step F includes the following steps:
F1:The strut 22 that will draw money on credit is disassembled from connecting rod 20 and bottom supporting leg 21, then detachably pacifies bottom supporting leg 21 Transition supporting leg is formed in connecting rod 20, transition supporting leg station is on minor details bridge floor or station is on the ground being connected with minor details bridge floor On;
F2:Front leg strut 7, rear support leg 6 are transported forward using preceding lifting trolley 2 and rear lifting trolley 1;
F3:Transition supporting leg is installed with the exchange of supporting leg 4 position is risen using preceding lifting trolley 2 and rear lifting trolley 1;
F4:Front leg strut 7 is mounted on by support supporting leg 5 using preceding lifting trolley 2 and rear lifting trolley 1;
F5:Support supporting leg 5 is mounted on to the front of rear support leg 6 using preceding lifting trolley 2 and rear lifting trolley 1;
F6:Preceding lifting trolley 2 and rear lifting trolley 1 are exchanged into installation by crane;
F7:Bottom supporting leg 21 is disassembled from connecting rod 20, by the upper and lower side for strut 22 of drawing money on credit respectively with connecting rod 20, Auxiliary leg before the connection composition of bottom supporting leg 21;
F8:Electric hydraulic connection is adjusted, to have the Summarized Account of Bridge Erection Construction of negative direction.
The utility model has following beneficial effect compared with prior art:
(1)This construction method can not only complete the erection installation in whole hole, can also complete before precast pier column, bent cap across " one-stop " erection and installation, be a kind of economic, efficiently form of construction work;
(2)This construction method is when carrying out via step, small by preceding lifting without being laid with vertical shift rail on bridge floor Vehicle lifts by crane trolley, front leg strut, rear support leg, support supporting leg and rises working in coordination for supporting leg and can realize self-service via afterwards, greatly Construction efficiency is improved greatly, shortens the construction time;
(3)Simultaneously in via, the preceding lifting trolley and rear lifting trolley that are carried using Bridge Erector carry out Unwinding fortune, and safety is Number is high, greatly reduces the generation of accident;
(4)This construction method only needs general crane to coordinate itself again under conditions of no large tonnage crane assists Preceding lifting trolley, afterwards lift by crane trolley, front leg strut, rear support leg, support supporting leg and rise supporting leg can be fast in smaller construction site The action adjustment of negative direction construction is completed fastly;
(5)This construction method full bridge structure, such as pier column, bent cap, bridge piece etc. be factory shift to an earlier date it is prefabricated form, It need to only transport to scene and carry out erection installation;Reduce requirement of the construction to site environment, production efficiency is high, and prefabricated Control of product quality it is good, the quality of bridge is high, integrated engineering low cost;
(6)This construction method is highly suitable for surrounding city, and execution conditions are complicated, the big place of construction environment traffic pressure Carry out the fast erecting of the aerial parts overpass such as urban road, urban light rail and subway line;Highway in China height will be pushed Frame, urban light rail, the construction of subway elevated bridge develop to greenization, batch production, standardized construction direction, economic, society's effect Benefit will increasingly significantly.
Finally it should be noted that:Above example is only to illustrate the technical solution of the utility model, rather than its limitations; Although the utility model is described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: It still can be with technical scheme described in the above embodiments is modified, or is carried out to which part technical characteristic etc. It is same to replace, but these modifications or replacements, various embodiments of the utility model technology that it does not separate the essence of the corresponding technical solution The spirit and scope of scheme.

Claims (4)

1. a kind of Bridge Erector for setting up full precast beam, including the horn with laterally equal symmetric design along longitudinal direction, affiliated horn For double box-beam structures, which is characterized in that the auxiliary leg before the front end of horn is equipped with is equipped in the rear end of horn and rises branch Leg is equipped with the front leg strut and rear support leg that can be walked along longitudinal direction at the middle part of horn, is furnished with support supporting leg in the rear side of rear support leg, In, front leg strut, rear support leg, support supporting leg and supporting leg is risen for horn to be supported on pier column or bridge on piece, preceding auxiliary is propped up Leg is used for horn front support in abutment ground, equipped with preceding lifting trolley and rear lifting trolley, preceding lifting trolley on horn It is equipped with separate lifting mechanism, walking mechanism and transverse-moving mechanism with rear lifting trolley, at the bottom of front leg strut and rear support leg Portion is equipped with traversing idler wheel, and the cross moving track for being useful for idler wheel and laterally walking is matched in the bottom of front leg strut and rear support leg;Preceding auxiliary It helps supporting leg, front leg strut, rear support leg, support supporting leg and rises and be equipped with respective lifting body on supporting leg.
2. the Bridge Erector according to claim 1 for setting up full precast beam, which is characterized in that the preceding auxiliary leg is certainly It is upper and under include connecting rod, draw money on credit strut and bottom supporting leg successively, connecting rod is detachably connected on the front end of horn, under connecting rod Hold and the draw money on credit top of strut is detachably connected, and lower end and the bottom supporting leg of strut of drawing money on credit are detachably connected, and lifting body setting exists On the supporting leg of bottom;Lifting trolley is equipped with rotating mechanism before described, and the lifting mechanism of lifting trolley is in water before the rotating mechanism drives Rotation in surface.
3. according to claim 1 or 2 for setting up the Bridge Erector of full precast beam, which is characterized in that the front leg strut, after Supporting leg, support supporting leg and rise supporting leg be equipped with respective left column, right column so as to from intermediate transport bridge beam piece, pier column or Bent cap.
4. the Bridge Erector according to claim 3 for setting up full precast beam, which is characterized in that the preceding auxiliary leg is certainly It is upper and under include connecting rod, draw money on credit strut and bottom supporting leg successively, connecting rod is detachably connected on the front end of horn, under connecting rod Hold and the draw money on credit top of strut is detachably connected, and lower end and the bottom supporting leg of strut of drawing money on credit are detachably connected, and lifting body setting exists On the supporting leg of bottom.
CN201721214672.8U 2017-09-21 2017-09-21 A kind of Bridge Erector for setting up full precast beam Withdrawn - After Issue CN207775719U (en)

Priority Applications (1)

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Application Number Priority Date Filing Date Title
CN201721214672.8U CN207775719U (en) 2017-09-21 2017-09-21 A kind of Bridge Erector for setting up full precast beam

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107558378A (en) * 2017-09-21 2018-01-09 郑州新大方重工科技有限公司 A kind of Bridge Erector and its bridging method for being used to set up full precast beam
CN109629433A (en) * 2018-12-29 2019-04-16 腾达建设集团股份有限公司 Bridge Erector paving helps support leg device and the method for bridge construction based on auxiliary leg

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107558378A (en) * 2017-09-21 2018-01-09 郑州新大方重工科技有限公司 A kind of Bridge Erector and its bridging method for being used to set up full precast beam
CN109629433A (en) * 2018-12-29 2019-04-16 腾达建设集团股份有限公司 Bridge Erector paving helps support leg device and the method for bridge construction based on auxiliary leg
CN109629433B (en) * 2018-12-29 2021-01-01 腾达建设集团股份有限公司 Bridge construction method based on auxiliary supporting leg device

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