CN208792167U - Mobile cantilever bridge erection machine for fully prefabricated piers, caps and beams - Google Patents
Mobile cantilever bridge erection machine for fully prefabricated piers, caps and beams Download PDFInfo
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- CN208792167U CN208792167U CN201821236538.2U CN201821236538U CN208792167U CN 208792167 U CN208792167 U CN 208792167U CN 201821236538 U CN201821236538 U CN 201821236538U CN 208792167 U CN208792167 U CN 208792167U
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Abstract
一种全预制桥墩、承台及梁体装配化施工的移动悬臂式架桥机，包括主梁、前支腿、拉杆系统、中支腿、前起重小车、后起重小车、后支腿和动力系统，所述主梁的前端通过前支腿进行支撑、后端通过后支腿进行支撑、中部通过中支腿进行支撑，所述主梁为箱型双主梁结构，其包含位于两侧且相互对称的梁体；由此，本实用新型针对现有桥梁施工预制化装配技术的不足进行解决，不仅可以实现常规操作中桥梁梁体的架设，同时还能实现预制化桥墩及承台的安装，极大地提高桥梁的施工质量，缩短工程施工周期。
A mobile cantilever bridge erection machine for fully prefabricated bridge piers, caps and beams, comprising a main beam, front outriggers, a tie rod system, middle outriggers, a front hoisting trolley, a rear hoisting trolley, and rear outriggers and power system, the front end of the main beam is supported by the front outrigger, the rear end is supported by the rear outrigger, and the middle part is supported by the middle outrigger, the main beam is a box-type double main beam structure, which includes two side and mutually symmetrical beam bodies; thus, the utility model solves the deficiencies of the existing bridge construction prefabricated assembly technology, not only can realize the erection of the bridge beam body in the conventional operation, but also can realize the prefabricated bridge pier and bearing platform at the same time It can greatly improve the construction quality of the bridge and shorten the construction period of the project.
Description
Technical field
The utility model relates to the technical field of Bridge Erector more particularly to a kind of full precast piers, cushion cap and beam body assembly
Change the moving cantilever type Bridge Erector of construction.
Background technique
Bridge construction engineering is broadly divided into lower part engineering and upper part work, and lower part engineering specifically includes that bridge pier, cushion cap and ground
Lower basis (piling) three parts composition；Upper part work is mainly the major bearing structures of leaping over obstacles, i.e. bridge beam body.Bridge at present
When beam is constructed, superstructure and substructure are separately constructed, and usually by after the completion of substructure, then carry out applying for superstructure
Work.
The country carries out prefabricated and prefabricated construction research to the superstructure of bridge and application is very mature.It is various
The beam body of type and span, T beam and Bridge Erector extensive utilization, beam body in the bridge construction on rail-road road have fully achieved work
Industry metaplasia produces and motorization assembly.
In recent years in bridge construction, bridge superstructure construction gradually adopts the construction equipments such as beam car and Bridge Erector to set up
The mode of precast beam realizes prefabricated construction, but bridge substructure is still mainly constructed using cast-in-place mode.Cast-in-place mode is applied
The work period is long, it is difficult to control the quality of construction, and construction period is also highly susceptible to the influence of extraneous factors.
Prefabricated construction research for bridge substructure (mainly cushion cap and bridge pier), China starts late, research
And application is less, also without corresponding professional construction equipment.Minute quantity realizes that bridge substructure is prefabricated and the case of assembling
Example, and in plains region, under the premise of bridge pier is a lower height of, truck crane lifting is relied on, the substructure assembling of realization is applied
Work.If surrounding construction environment is unsatisfactory for the transport of larger component, or is unsatisfactory for erect-position demand (such as the mountain area bridge of truck crane
The construction environment of beam), then it cannot achieve the prefabricated and prefabricated construction of substructure, do not have dissemination.
Therefore, it is necessary to be ground using the completely prefabricated production of bridge top and substructure component, fabricated construction as target
The a set of novel construction equipment of meter is set up, carrys out while realizing the construction technology of bridge superstructure and substructure, and not by landform
It influences.
For this purpose, the designer of the utility model, in view of drawbacks described above, by concentrating on studies and designing, synthesis is long-term for many years
It is engaged in the experience and achievement of related industry, researching and designing goes out the movement of a kind of full precast pier, cushion cap and beam body prefabricated construction
Cantilevered Bridge Erector, to overcome drawbacks described above.
Utility model content
The purpose of this utility model is to provide the mobile cantilevers of a kind of full precast pier, cushion cap and beam body prefabricated construction
Formula Bridge Erector is solved for the construct deficiency of prefabricated mounting technology of existing highway bridge, not only be may be implemented in routine operation
The erection of bridge beam body, while it being also able to achieve the installation of prefabricated bridge pier and cushion cap, the construction quality of bridge is greatlyd improve, is contracted
Casual labourer's journey construction period.
To solve the above problems, the utility model discloses a kind of full precast pier, cushion cap and beam body prefabricated constructions
Moving cantilever type Bridge Erector, including girder, front leg strut, tie system, middle supporting leg, preceding trolley, rear trolley, rear support leg
And dynamical system, it is characterised in that:
The front end of the girder is supported by front leg strut, rear end is supported by rear support leg, middle part passes through middle branch
Leg is supported, and the girder is the double main beam structures of box, it includes being located at two sides and symmetrical beam body, each beam body
Upper inner formed a terraced steps, the terraced steps be equipped with upper track, the lower surface two sides of each beam body are set
There are lower tracks, and the web two sides of each beam body are equipped with ear beam, the preceding trolley and rear trolley are on each beam body top
Upper track on moved.
Wherein: the front leg strut includes front-axle beam, and the beam body that the top two sides of the front-axle beam respectively correspond girder is equipped with forestock
Pulley mechanism, the forestock Pulley mechanism include the preceding support roller in two lower tracks of beam body and pick up the ears positioned at beam body two
Preceding change gear on beam, and ipsilateral preceding support roller and preceding change gear are attached by connecting plate.
Wherein: being equipped with supporting table and traversing oil cylinder before two between support roller and front-axle beam, the supporting table provides front-axle beam to girder
Support, and be connected to supporting table traversing oil cylinder be used to adjust girder angle to realize curve erection.
Wherein: the front-axle beam is equipped with two telescopic masts, and two telescopic masts are equipped with multiple dowel holes, to pass through positioning pin and front-axle beam
On pin hole realize the positioning after telescopic mast is flexible.
Wherein: the middle supporting leg packet central sill, the beam body that the two sides of the central sill respectively correspond girder are equipped with middle support change gear machine
Structure, the middle support Pulley mechanism include the middle support roller in two lower tracks of beam body and pick up the ears on beam positioned at beam body two
Middle change gear, and ipsilateral middle support roller and middle change gear are attached by connecting plate.
Wherein: being equipped at intervals with multiple hydraulic support mechanisms on the central sill and adapt to set up slope to adjust complete machine bearing height
Degree.
Wherein: the rear support leg includes the back rest, and the upper surface of the back rest is supported girder by retractable support seat,
The lower surface of the back rest is equipped with multiple travelling wheel groups to drive complete machine traveling via hole, and the back rest is equipped with anchor to locate
Rear support leg is anchored in beam body to the longitudinal stability for guaranteeing complete machine when cantilever position.
Wherein: the tie system includes column, more front tension bars and Duo Gen back stay, and the column is set in girder
Portion, one end of each front tension bar are connected to the upper end of column, and the other end is then spaced the front for being connected to girder, each post-tensioning
One end of bar is connected to the upper end of column, and the other end is then spaced the rear portion for being connected to girder.
Wherein: the front tension bar and back stay are located at column two sides arrangement to guarantee the structural requirement of girder.
By above structure it is found that the movement of the full precast pier of the utility model, cushion cap and beam body prefabricated construction is outstanding
Arm-type Bridge Erector has the effect that
1, the erection of beam body may be implemented, while being also able to achieve the installation of prefabricated bridge pier, improve construction efficiency, reduce
Labor intensity.
2, integrate the functions such as bridge pier installation, beam body erection, improve the industrialization building technology of bridge.
The detailed content of the utility model can be obtained by aftermentioned explanation and institute's attached drawing.
Detailed description of the invention
Fig. 1 shows that the moving cantilever type of the full precast pier of the utility model, cushion cap and beam body prefabricated construction is built bridge
The structural schematic diagram of machine.
Fig. 1-1 be Fig. 1 in A-A to cross-sectional view.
Fig. 1-2 is the cross-sectional view of B-B direction in Fig. 1.
Fig. 1-3 be Fig. 1 in C-C to cross-sectional view.
Fig. 2 shows the structural schematic diagram of the utility model middle girder.
Fig. 3 shows the structural schematic diagram of front leg strut in the utility model.
Fig. 3-1 shows the enlarged diagram in Fig. 3.
Fig. 4 shows the structural schematic diagram of middle supporting leg in the utility model.
Fig. 4-1 shows the enlarged diagram in Fig. 4.
Fig. 5 shows the structural schematic diagram of rear support leg in the utility model.
Fig. 6 shows the structural schematic diagram of railing system in the utility model.
Fig. 7-1 to Fig. 7-16 shows the schematic diagram of construction in the utility model.
Specific embodiment
Referring to Fig. 1 to Fig. 6, it is shown that the movement of the full precast pier, cushion cap and beam body prefabricated construction of the utility model
Cantilevered Bridge Erector.
The moving cantilever type Bridge Erector of the full precast pier, cushion cap and beam body prefabricated construction may include girder 1, preceding branch
Leg 2, tie system 3, middle supporting leg 4, preceding trolley 5, rear trolley 6, rear support leg 7, dynamical system 8 can also be equipped with conduct
The preceding beam car 9 and rear beam car 10 of the transportation in assembled state equipment of Bridge Erector.
Shown in Figure 1, the front end of the girder 1 is supported by front leg strut 2, rear end is propped up by rear support leg 7
Support, middle part are supported by middle supporting leg 4, and the tie system 3, preceding trolley 5, rear trolley 6 and dynamical system 8 are set
It is placed on girder 1, the preceding beam car 9 and rear beam car 10 are set to the lower section of girder 1.
As shown in Fig. 2, the girder 1 is the double main beam structures of box, it includes two sides are located at and symmetrical beam body, respectively
The upper inner of the beam body forms a terraced steps, and the terraced steps are equipped with upper track 11, under each beam body
Surface two sides are equipped with lower tracks 13, and the web two sides of each beam body are equipped with ear beam 12.The preceding trolley 5 and rear lifting are small
Vehicle 6 can be moved in the upper track on each beam body top.
As shown in Fig. 3 and Fig. 3-1, the front leg strut 2 includes front-axle beam, and the top two sides of the front-axle beam respectively correspond girder
Beam body be equipped with forestock Pulley mechanism, the forestock Pulley mechanism include positioned at beam body two lower tracks 13 on preceding support roller 23 with
And it picks up the ears the preceding change gear 22 on beam 12 positioned at beam body two, and ipsilateral preceding support roller 23 and preceding change gear 22 is connected by connecting plate
It connects, the preceding change gear 22 on the outside of beam body is equipped with driving mechanism, to guarantee that front leg strut 2 can move on the ear beam of girder 1.
Supporting table and traversing oil cylinder are equipped with before two between support roller 23 and front-axle beam, the supporting table provides support of the front-axle beam to girder, and connects
The traversing oil cylinder for being connected to supporting table is used to adjust girder angle, realizes curve erection, and the front-axle beam is equipped with two telescopic masts 21,
The lower end of two telescopic masts 21 is hinged with support portion, can be equipped with multiple dowel holes on two telescopic masts 21, to pass through positioning pin with before
Pin hole on beam realizes the positioning after telescopic mast 21 is flexible, to guarantee complete machine when setting up last hole beam, realize it is big shrink, can be with
It steps down in front leg strut 2 directly in last hole beam and supports complete machine.
As shown in Fig. 4 and Fig. 4-1, the middle 42 packet central sill of supporting leg, the two sides of the central sill respectively correspond the beam body of girder
Equipped with middle support Pulley mechanism, the middle support Pulley mechanism includes middle support roller 43 and position in two lower tracks 13 of beam body
It picks up the ears the middle change gear 42 on beam 12 in beam body two, and ipsilateral middle support roller 43 and middle change gear 42 is attached by connecting plate, position
Middle change gear 42 on the outside of beam body is equipped with driving mechanism, can be moved on the ear beam of girder 1 with supporting leg 4 in guarantor.In described
Multiple hydraulic support mechanisms 41 are equipped at intervals on beam, adjustable complete machine bearing height adapts to set up the gradient.
As shown in figure 5, the rear support leg 7 includes the back rest, the upper surface of the back rest by retractable support seat to girder into
The lower surface of row support, the back rest is equipped with multiple travelling wheel groups, can drive complete machine traveling via hole, and the back rest is equipped with anchor
It is fixedly mounted with and sets, when complete machine is in cantilever position, rear support leg 7 is anchored in beam body, guarantees the longitudinal stability of complete machine.
As shown in fig. 6, the tie system 3 includes column 31, more front tension bars 32 and Duo Gen back stay 33, the column
31 are set to the middle part of girder 1, and one end of each front tension bar 32 is connected to the upper end of column 31, and the other end is then spaced and is connected to master
The front of beam 1, one end of each back stay 33 are connected to the upper end of column 31, the other end is then spaced be connected to girder 1 after
Portion, and preferably, the front tension bar and back stay are located at column two sides arrangement, thus when installing bridge pier operating condition, at complete machine
In cantilever position, 1 front boom moment of flexure of girder is excessive, and downwarp is severe, and 1 structure of girder is unable to satisfy erection and requires.Front tension bar can be with
The power that 1 front end of girder is subject to is passed into column, then passes to back stay, 1 rear end of girder is then transmitted to, ensure that girder 1
Structure can adapt to this operating condition and set up requirement.
Wherein, the preceding trolley 5 and rear trolley 6 are equipped with hoisting system, and bridge pier, cushion cap and beam may be implemented
The lifting operation of body.
Wherein, the dynamical system 8 is set to main beam rear end, to provide power for complete machine, guarantees the normal operation of equipment.
Wherein, carrying on the back for bridge pier, the hauling operation of beam body and complete machine may be implemented in the preceding beam car 9 and rear beam car 10
Operate industry.
The work flow of the utility model includes the erection of beam body, the installation of prefabricated bridge pier and cushion cap and complete machine via hole.
Specific step is as follows for the work flow: (since bridge substructure design is all kinds of, the beam flowering structure system in step face refers to bridge
The substructure of the bridges such as pier, bent cap and cushion cap)
Step 1 is the original state of above-mentioned moving cantilever type Bridge Erector as shown in Fig. 7-1, and complete machine, which is in, prepares via hole
State；
Step 2, as shown in Fig. 7-2, front leg strut 2 and middle supporting leg 4 are supported reliably, release the anchoring on rear support leg 7, rear to prop up
Leg 7 drives complete machine 40 meters of traveling forward；
Step 3 packs up middle 4 hydraulic pressure support of supporting leg as shown in Fig. 7-3, and middle supporting leg 4 moves forward 50 meters along girder 1, puts
4 hydraulic pressure support of supporting leg in lower；
Step 4, as shown in Fig. 7-4, rear support leg 7 drives complete machine 10 meters of traveling forward, preceding beam car 9 and rear beam car 10
It is synchronous that beam flowering structure 11 is transported to tail portion；
Step 5 anchors rear support leg 7 as shown in Fig. 7-5, and preceding beam car 9 is synchronous with rear beam car 10 by beam flowering structure
11 are transported to the position as shown in Fig. 7-5；
Step 6, as shown in Fig. 7-6, rear trolley 6 retreats to 11 tail portion of beam flowering structure and lifts by crane position, preceding trolley
5 it is synchronous with rear trolley 6 beam flowering structure 11 is lifted to a high position, meanwhile, preceding beam car 9 and rear beam car 10, which retreat, returns to beam
, preparation takes beam；
Step 7, as shown in Fig. 7-7, preceding trolley 5 and 28 meters of 6 synchronous walking of rear trolley are to as shown in Fig. 7-7
Position；
Step 8, as Figure 7-8, rear 6 hoist rope of trolley slowly decline；
Step 9, as Figure 7-9, lifting is small after releasing in beam flowering structure 11 when beam flowering structure 11 is in plumbness
Then 6 hoist rope of vehicle packs up hoist rope, retreat to 1 tail portion of girder；
Step 10, as is seen in figs 7-10, preceding 5 lifting beam flowering structure of trolley, 11 traveling is to be installed as is seen in figs 7-10
Position；
Step 11, as illustrated in figures 7-11, preceding trolley align mounting rail flowering structure 11, preceding trolley after installing
5 retreat to 1 tail portion of girder；
Step 12 unlocks the support of front leg strut 2, drives front leg strut 2 to move 50 meters along girder 1, preceding fortune as shown in fig.7-12
Beam vehicle 9 is synchronous with rear beam car 10 to be transported to tail portion for beam body 12；
Step 13 supports front leg strut 2, preceding beam car 9 is synchronous with rear beam car 10 to transport beam body 12 as illustrated in figures 7 to 13
To position as illustrated in figures 7 to 13；
Step 14, as shown in figs. 7-14, preceding trolley 5 are moved to 12 front end of beam body lifting position, before beam body 12
End is sling, and preceding trolley 5 and 10 synchronous walking of rear beam car to position as shown in figs. 7-14, rear trolley 6 are moved to beam
Lift by crane position in 12 tail portion of body；
Step 15, as shown in Fig. 7-15, rear trolley 6 slings 12 tail portion of beam body, and preceding trolley 5 and rear lifting are small
The synchronous hanging beam of vehicle 6 retreats return Liang Chang preparation and takes beam flowering structure to rack position, preceding beam car 9 and rear beam car 10；
Step 10 six, as shown in Fig. 7-16, the contraposition synchronous with rear trolley 6 of preceding trolley 5 falls beam.So far, complete machine
Via hole, bridge pier installation, beam body set up a working cycles and complete；
As a result, utility model has the advantages that
1, the erection of beam body may be implemented, while being also able to achieve the installation of prefabricated bridge pier, improve construction efficiency, reduce
Labor intensity.
2, integrate the functions such as bridge pier installation, beam body erection, improve the industrialization building technology of bridge.
It is readily apparent that above description and record is only citing rather than in order to limit the disclosure of the utility model
Content, application or use.Although describing and being described in the accompanying drawings embodiment, the utility model in embodiment
Do not limit by attached drawing example and be described as in embodiment it is now recognized that optimal mode to implement the religion of the utility model
The specific examples led, the scope of the utility model will include any implementation for falling into the description and appended claims of front
Example.
Claims (9)
1. the moving cantilever type Bridge Erector of a kind of full precast pier, cushion cap and beam body prefabricated construction, including girder, front leg strut,
Tie system, middle supporting leg, preceding trolley, rear trolley, rear support leg and dynamical system, it is characterised in that:
The front end of the girder is supported by front leg strut, rear end is supported by rear support leg, middle part by middle supporting leg into
Row support, the girder are the double main beam structures of box, it includes being located at two sides and symmetrical beam body, each beam body it is upper
A terraced steps are formed on the inside of portion, the terraced steps are equipped with upper track, and the lower surface two sides of each beam body are equipped with down
Portion's track, and the web two sides of each beam body are equipped with ear beam, the preceding trolley and rear trolley are in the upper of each beam body top
It is moved on portion's track.
2. moving cantilever type Bridge Erector as described in claim 1, it is characterised in that: the front leg strut includes front-axle beam, before described
The beam body that the top two sides of beam respectively correspond girder is equipped with forestock Pulley mechanism, and the forestock Pulley mechanism includes positioned at beam body
It preceding support roller in two lower tracks and picks up the ears the preceding change gear on beam positioned at beam body two, and ipsilateral preceding support roller and preceding change gear pass through
Connecting plate is attached.
3. moving cantilever type Bridge Erector as claimed in claim 2, it is characterised in that: be equipped with support before two between support roller and front-axle beam
Platform and traversing oil cylinder, the supporting table provides support of the front-axle beam to girder, and the traversing oil cylinder for being connected to supporting table is used to adjust
Girder angle is to realize curve erection.
4. moving cantilever type Bridge Erector as claimed in claim 2, it is characterised in that: the front-axle beam is equipped with two telescopic masts, and two stretch
Contracting column is equipped with multiple dowel holes, with the positioning by the pin hole realization telescopic mast on positioning pin and front-axle beam after flexible.
5. moving cantilever type Bridge Erector as described in claim 1, it is characterised in that: the middle supporting leg packet central sill, the central sill
Two sides respectively correspond girder beam body be equipped with middle support Pulley mechanism, it is described it is middle support Pulley mechanism include positioned at beam body two lower parts
It middle support roller on track and picks up the ears the middle change gear on beam positioned at beam body two, and ipsilateral middle support roller and middle change gear pass through connecting plate
It is attached.
6. moving cantilever type Bridge Erector as claimed in claim 5, it is characterised in that: be equipped at intervals on the central sill multiple hydraulic
Supporting mechanism adapts to set up the gradient to adjust complete machine bearing height.
7. moving cantilever type Bridge Erector as described in claim 1, it is characterised in that: the rear support leg includes the back rest, after described
The upper surface of beam is supported girder by retractable support seat, and the lower surface of the back rest is equipped with multiple travelling wheel groups to drive
Complete machine traveling via hole, and the back rest is equipped with anchor to be in when cantilever position for rear support leg to be anchored in beam body and guarantee
The longitudinal stability of complete machine.
8. moving cantilever type Bridge Erector as described in claim 1, it is characterised in that: the tie system includes column, more
Front tension bar and Duo Gen back stay, the column are set to the middle part of girder, and one end of each front tension bar is connected to the upper end of column,
The other end is then spaced the front for being connected to girder, and one end of each back stay is connected to the upper end of column, and the other end is then spaced
It is connected to the rear portion of girder.
9. moving cantilever type Bridge Erector as claimed in claim 8, it is characterised in that: the front tension bar and back stay are located at column
The structural requirement to guarantee girder is arranged in two sides.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821236538.2U CN208792167U (en) | 2018-08-02 | 2018-08-02 | Mobile cantilever bridge erection machine for fully prefabricated piers, caps and beams |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821236538.2U CN208792167U (en) | 2018-08-02 | 2018-08-02 | Mobile cantilever bridge erection machine for fully prefabricated piers, caps and beams |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN208792167U true CN208792167U (en) | 2019-04-26 |
Family
ID=66204274
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821236538.2U Expired - Fee Related CN208792167U (en) | 2018-08-02 | 2018-08-02 | Mobile cantilever bridge erection machine for fully prefabricated piers, caps and beams |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108677742A (en) * | 2018-08-02 | 2018-10-19 | 中铁工程机械研究设计院有限公司 | The moving cantilever type Bridge Erector of full precast pier, cushion cap and beam body prefabricated construction |
| CN110656584A (en) * | 2019-09-29 | 2020-01-07 | 合肥正浩机械科技有限公司 | An arm structure of a bridge erecting machine |
| CN111733702A (en) * | 2020-06-11 | 2020-10-02 | 湖南路桥建设集团有限责任公司 | Split-type bridge erecting machine and its use method |
-
2018
- 2018-08-02 CN CN201821236538.2U patent/CN208792167U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108677742A (en) * | 2018-08-02 | 2018-10-19 | 中铁工程机械研究设计院有限公司 | The moving cantilever type Bridge Erector of full precast pier, cushion cap and beam body prefabricated construction |
| CN108677742B (en) * | 2018-08-02 | 2024-03-08 | 中铁工程机械研究设计院有限公司 | Movable cantilever bridge girder erection machine for full-prefabricated bridge pier, bearing platform and girder body assembled construction |
| CN110656584A (en) * | 2019-09-29 | 2020-01-07 | 合肥正浩机械科技有限公司 | An arm structure of a bridge erecting machine |
| CN111733702A (en) * | 2020-06-11 | 2020-10-02 | 湖南路桥建设集团有限责任公司 | Split-type bridge erecting machine and its use method |
| CN111733702B (en) * | 2020-06-11 | 2025-05-27 | 湖南路桥建设集团有限责任公司 | Split-type bridge erecting machine and method of using the same |
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