CN206941396U - Cross tunnel box beam bridge formation machine - Google Patents
Cross tunnel box beam bridge formation machine Download PDFInfo
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- CN206941396U CN206941396U CN201720154989.0U CN201720154989U CN206941396U CN 206941396 U CN206941396 U CN 206941396U CN 201720154989 U CN201720154989 U CN 201720154989U CN 206941396 U CN206941396 U CN 206941396U
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- front leg
- bridge formation
- formation machine
- leg strut
- guiding post
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Abstract
It the utility model is related to high speed railway construction field, it is more particularly to a kind of to cross tunnel box beam bridge formation machine, mainly it is made up of girder assembly, preceding hanging beam dolly, rear hanging beam dolly, hoisting mechanism, rear support leg, front leg strut, electric control system, hydraulic system and dynamical system and safety device, the girder is single box-beam structure form；Front and rear two hanging beam dollies are provided with each independent lifting mechanism, running mechanism and transverse-moving mechanism, and every hanging beam dolly is equipped with two sets of independent lifting mechanisms, and four-point hoisting three-point balancing can be achieved, make box beam equilibrium stand under load.Excessively tunnel box beam bridge formation machine of the purpose of this utility model in the construction technology problem of transportation rack device access tunnel mouth erection beam in a kind of solution work progress is provided.
Description
Technical field
High speed railway construction field is the utility model is related to, it is more particularly to a kind of to cross tunnel box beam bridge formation machine.
Background technology
In recent years, the scale of China Express Railway construction was unprecedented, and existing various bridge machine preferably completes frame
If task, with moving westwards for high ferro engineering construction, the design feature of engineering, bridge are connected frequent then under western, the contour iron wire in southwest；
In order to meet that Bridge Erector and beam car pass through the working condition requirement in tunnel, solves transportation rack device access tunnel in work progress
A kind of new HZQD900E types of construction technology problem research and development that mouth sets up beam cross tunnel box beam bridge formation machine.
It is that can pass freely through tunnel for Large-scale Bridge Erector and develop that HZQD900E types, which cross tunnel box beam bridge formation machine,
's.It builds a bridge using back boom feeding beam, front boom via, two straddle type girder erection methods, without to whole under any operating mode
Adjustment is disassembled in machine structure and electromechanical configuration, i.e., can carry out voluntarily shifting between bridge without any weight reducing operation, pass through tunnel；In tunnel
Road import and export set a roof beam in place and tunnel in set a roof beam in place, accomplish retinue with frame, advanced practicality.
The content of the invention
The purpose of this utility model is in the transportation rack device access tunnel mouth erection beam in a kind of solution work progress is provided
Construction technology problem crosses tunnel box beam bridge formation machine.
What the technical solution of the utility model was realized in：Cross tunnel box beam bridge formation machine, mainly by girder assembly, preceding hang
Beam dolly, rear hanging beam dolly, hoisting mechanism, rear support leg, front leg strut, electric control system, hydraulic system and dynamical system and peace
Full protection device forms, and the girder is single box-beam structure form；Front and rear two hanging beam dollies are provided with each independent
Rise mechanism, running mechanism and transverse-moving mechanism, every hanging beam dolly and two sets of independent lifting mechanisms are housed, 4 points of liftings three can be achieved
Point balance, makes box beam equilibrium stand under load.
The rear support leg includes rear support leg entablature, step back values sill, free bearing, oil cylinder of turning back, diagonal brace of turning back, rear support leg
Inner guiding post, column jacking cylinder, running mechanism and traveling jacking cylinder, the rear support leg inner guiding post, oil cylinder of turning back, diagonal brace three
Divide and form stable triangular structure.
The front leg strut is provided with transmission mechanism, the transmission mechanism mainly by hang gear changing group, carrier roller group, upper frame,
Front leg strut jacking cylinder, hand-off crossbeam, front leg strut inner guiding post, traversing oil cylinder, diagonal brace part, front leg strut insert-pull pin oil cylinder, preceding branch
Leg sill, revolution slipping mechanism and grade beam, the front leg strut inner guiding post, diagonal brace part and upper frame three parts form triangle
Stabilizing mechanism；The front leg strut is girder front support point, and the outer bush, jacking cylinder, hand-off crossbeam form hydraulically extensible machine
Structure；The front leg strut uses long inner guiding post, inner guiding post overall length 6m, using total travel stretching structure.
Front and rear two beam cars use small tire beam car, transport beam and feeding beam minimum altitude 2m.
This is crossed tunnel box beam bridge formation machine and is additionally provided with preceding auxiliary leg, and preceding auxiliary leg is mainly by cantilever beam, preceding auxiliary branch
Leg stretch inner guiding post, outer bush, preceding auxiliary leg jacking cylinder, preceding auxiliary leg insert-pull pin oil cylinder, fixed knot and ball pivot composition,
Form one group of complete supporting structure system；Beam-ends is supported on during Bridge Erector via, is the front fulcrum of bridge machine via.
Good effect is as follows caused by the technical solution of the utility model：It is of the present utility model to cross tunnel box beam bridge formation machine master
Want feature that tunnel's entrance and exit zero distance can be achieved and negative distance is set a roof beam in place and set a roof beam in place with tunnel, its implementation is for fortune frame separation：
Crane's major girder is designed as single box-beam structure form, and using back boom feeding beam, front boom via, two straddle types are set a roof beam in place；Beam car is adopted
With small tire beam car, beam and feeding beam minimum altitude 2m are transported.
Rear support leg is stable triangular structure, during beam car feeding beam, can back rotation fold and make rear portion into cantilever position, it is convenient
Beam car feeding beam.
Front leg strut uses long inner guiding post, inner guiding post overall length 6m, can be stretched in outer bush total travel, ensures normal to set a roof beam in place 2.5%
（±900）Regulation, and last hole are supported in abutment erection.
Bridge Erector coordinates via, preceding auxiliary leg Auxiliary support, via using rear support leg running mechanism and front leg strut carrying roller
Step is simple, safety, easily operated.
Brief description of the drawings
Fig. 1 is the overall structure diagram that the utility model crosses tunnel box beam bridge formation machine.
Fig. 2 is one of structural representation of the utility model rear support leg.
Fig. 3 is the two of the structural representation of the utility model rear support leg.
Fig. 4 is the three of the structural representation of the utility model rear support leg.
Fig. 5 is one of structural representation of the utility model front leg strut.
Fig. 6 is the two of the structural representation of the utility model front leg strut.
Fig. 7 is one of structural representation of auxiliary leg before the utility model.
Fig. 8 is two of the structural representation of auxiliary leg before the utility model.
It is labeled as in figure：1st, girder assembly；2nd, preceding hanging beam dolly, 3, rear hanging beam dolly；4th, hoisting mechanism；5th, rear support leg；
6th, front leg strut；7th, dynamical system；8th, preceding auxiliary leg；51st, rear support leg entablature；52nd, rear support leg sill；53rd, free bearing；54、
Turn back oil cylinder；55th, turn back diagonal brace；56th, rear support leg inner guiding post；57th, column jacking cylinder；58th, running mechanism；59th, traveling jacks
Oil cylinder；60th, front leg strut sill；61st, gear changing group is hung；62nd, carrier roller group；63rd, upper frame；64th, front leg strut jacking cylinder；
65th, hand-off crossbeam；66th, front leg strut inner guiding post；67th, traversing oil cylinder；68th, diagonal brace part；69th, front leg strut insert-pull pin oil cylinder；81st, hang
Arm beam；82nd, the flexible inner guiding post of preceding auxiliary leg；83rd, outer bush；84th, preceding auxiliary leg jacking cylinder；85th, preceding auxiliary leg is inserted
Oil cylinder with pin.
Embodiment
Cross tunnel box beam bridge formation machine, mainly by girder assembly 1, preceding hanging beam dolly 2, rear hanging beam dolly 3, hoisting mechanism 4, after
Supporting leg 5, front leg strut 6, electric control system, hydraulic system and dynamical system 7 and safety device composition, the girder are single
Box-beam structure form；Front and rear two hanging beam dollies are provided with each independent lifting mechanism, running mechanism and transverse-moving mechanism, often
Platform hanging beam dolly is equipped with two sets of independent lifting mechanisms, and four-point hoisting three-point balancing can be achieved, make box beam equilibrium stand under load.Bridge Erector
Main beam design is single box-beam structure form, can reduce complete machine width, and achievable tunnel's entrance and exit zero distance is set a roof beam in place and tunnel internal frame
Beam.Hanging beam dolly has vertical shift and fine motion function, can guarantee that the accurate contraposition installation of box beam.
The rear support leg include rear support leg entablature 51, rear support leg sill 52, free bearing 53, oil cylinder 54 of turning back, turn back tiltedly
Support 55, rear support leg inner guiding post 56, column jacking cylinder 57, running mechanism 58 and traveling jacking cylinder 59.Rear support leg is that triangle is steady
Determine structure, during beam car feeding beam, can back rotation fold and make rear portion into cantilever position, as shown in figure 4, facilitating beam car feeding beam.
Beam car in place after, rear support leg is rotatably supported on beam car again.When Bridge Erector works, load is passed by beam car at rear support leg
Pass concrete box top surface of the beam.
The front leg strut is provided with transmission mechanism, and the transmission mechanism is mainly by hanging gear changing group 61, carrier roller group 62, top car
Frame 63, front leg strut jacking cylinder 64, hand-off crossbeam 65, front leg strut inner guiding post 66, traversing oil cylinder 67, diagonal brace part 68, front leg strut
Insert-pull pin oil cylinder 69, front leg strut sill 60, revolution slipping mechanism and grade beam, the rear support leg inner guiding post, oil cylinder of turning back, diagonal brace
Three parts form stable triangular structure.The front leg strut is girder front support point, using hydraulically extensible structure, the outer bush,
Jacking cylinder, hand-off crossbeam composition hydraulic telescopic machanism；The front leg strut uses long inner guiding post, inner guiding post overall length 6m, using complete
Stroke stretching structure.
Front and rear two beam cars use small tire beam car, transport beam and feeding beam minimum altitude 2m.Front leg strut is before girder
The strong point, using hydraulically extensible structure, stroke is to meet bridge longitudinal slope, become across operation and last bridge erection needs.
The front leg strut of Bridge Erector is supported on front pier first half when setting a roof beam in place, and front leg strut branch stands in abutment chest when setting up last hole box beam
Above wall.
By the tension and compression stress of dynamic change gear and passive carrier roller before the anti-tipping basis of front leg strut triangle, pass through bearing pin sensor
In real time monitoring, when front leg strut is walked in advance, bowed before front leg strut, change gear and change gear rail contact, change gear stress, transmit bearing pin by
Power；When front leg strut, which lags, walks, front leg strut is swung back, and carrying roller and rail contact, carrying roller stress, transmits bearing pin stress；Via mistake
Observed simultaneously in journey the monitoring of front leg strut horizontal force display whether it is normal (now dynamometry steel pin display data is substantially in 80kN or so,
Control to dynamometry steel pin stress numerical value is：Two-way dynamometry, tension 150kN alarms, 170kN power-off；Compression 150kN alarms,
170kN is powered off), such as find front leg strut horizontal force numerical exception, it is necessary to check failure cause, via work can be continued after exclusion
Industry.
Front leg strut uses long inner guiding post, inner guiding post overall length 6m, can be stretched in outer bush total travel, ensures normal to set a roof beam in place 2.5%
（±900）Regulation, and last hole are supported in abutment erection, and go out tunnel voluntarily standing performance.
This crosses auxiliary leg 8 before tunnel box beam bridge formation machine is additionally provided with, and preceding auxiliary leg is mainly by cantilever beam 81, preceding auxiliary
Landing leg stretching inner guiding post 82, outer bush 83, preceding auxiliary leg jacking cylinder 84, preceding auxiliary leg insert-pull pin oil cylinder 85, fixed knot
And ball pivot composition, form one group of complete supporting structure system；Beam-ends is supported on during Bridge Erector via, is the preceding branch of bridge machine via
Point.
Crucial bridge formation bale handle large equipment for high speed railway construction --- 900 tons of Bridge Erectors.It is whole Gao Jiantie
The equipment of road construction project progress monitoring.Industries, universities and research institutors' integration, intensive road are walked by my company, and tunnel is crossed in development
For the design feature of engineering under western, the contour iron wire in southwest, bridge is connected frequently working condition requirement and designs road Bridge Erector then.It is whole
Security, the reliability and stability of machine are very high.
Tunnel Bridge Erector is crossed using fortune frame separation, beam car fortune beam and Bridge Erector via are set a roof beam in place synchronous progress, can be carried significantly
High efficiency of construction.Bridge Erector crosses well format simplicity reliably, will turn into the development trend of later stage Bridge Erector.
Claims (5)
1. one kind crosses tunnel box beam bridge formation machine, it is characterised in that：Mainly by girder assembly, preceding hanging beam dolly, rear hanging beam dolly, volume
Raise mechanism, rear support leg, front leg strut, electric control system, hydraulic system and dynamical system and safety device composition, the master
Beam is single box-beam structure form；Front and rear two hanging beam dollies are provided with each independent lifting mechanism, running mechanism and traversing
Mechanism, every hanging beam dolly are equipped with two sets of independent lifting mechanisms, can be achieved four-point hoisting three-point balancing, make box beam equilibrium by
Carry.
2. according to claim 1 cross tunnel box beam bridge formation machine, it is characterised in that：The rear support leg includes horizontal on rear support leg
Beam, step back values sill, free bearing, oil cylinder of turning back, diagonal brace of turning back, rear support leg inner guiding post, column jacking cylinder, running mechanism and walk
Row jacking cylinder, the rear support leg inner guiding post, oil cylinder of turning back, diagonal brace three parts form stable triangular structure.
3. according to claim 1 cross tunnel box beam bridge formation machine, it is characterised in that：The front leg strut is provided with driver
Structure, the transmission mechanism is mainly by hanging gear changing group, carrier roller group, upper frame, front leg strut jacking cylinder, hand-off crossbeam, front leg strut
Inner guiding post, traversing oil cylinder, diagonal brace part, front leg strut insert-pull pin oil cylinder, front leg strut sill, revolution slipping mechanism and grade beam, institute
State front leg strut inner guiding post, diagonal brace part and upper frame three parts and form stable triangular mechanism；The front leg strut be girder before prop up
Support point；The front leg strut uses long inner guiding post, inner guiding post overall length 6m, using total travel stretching structure.
4. according to claim 1 cross tunnel box beam bridge formation machine, it is characterised in that：Front and rear two beam cars use steamboat
Tire beam car, transport beam and feeding beam minimum altitude 2m.
5. according to claim 1 cross tunnel box beam bridge formation machine, it is characterised in that：This is crossed tunnel box beam bridge formation machine and also set up
There is preceding auxiliary leg, preceding auxiliary leg is mainly by cantilever beam, the flexible inner guiding post of preceding auxiliary leg, outer bush, preceding auxiliary leg top
Oil-lifting jar, preceding auxiliary leg insert-pull pin oil cylinder, fixed knot and ball pivot composition, form one group of complete supporting structure system；Build bridge
Beam-ends is supported on during machine via, is the front fulcrum of bridge machine via.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720154989.0U CN206941396U (en) | 2017-02-21 | 2017-02-21 | Cross tunnel box beam bridge formation machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720154989.0U CN206941396U (en) | 2017-02-21 | 2017-02-21 | Cross tunnel box beam bridge formation machine |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN206941396U true CN206941396U (en) | 2018-01-30 |
Family
ID=61357826
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201720154989.0U Expired - Fee Related CN206941396U (en) | 2017-02-21 | 2017-02-21 | Cross tunnel box beam bridge formation machine |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN206941396U (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110955209A (en) * | 2019-11-27 | 2020-04-03 | 中交一公局第六工程有限公司 | Safety control system and monitoring method for super-huge bridge girder erection machine |
| CN113250093A (en) * | 2021-06-01 | 2021-08-13 | 中铁大桥局集团第六工程有限公司 | Small-plane curve radius concrete segmental beam assembling bridge girder erection machine and method |
| CN113802460A (en) * | 2021-09-26 | 2021-12-17 | 郑州市华中建机有限公司 | 40-meter 1000t OU-shaped supporting leg tunnel portal zero-distance beam erecting and bridge erecting machine and construction process |
| CN114673098A (en) * | 2022-03-31 | 2022-06-28 | 中铁第五勘察设计院集团有限公司 | Self-propelled cantilever bridge fabrication machine |
| CN116446299A (en) * | 2023-06-08 | 2023-07-18 | 河南中冶起重机集团有限公司 | Auxiliary bracket of bridge girder erection machine |
-
2017
- 2017-02-21 CN CN201720154989.0U patent/CN206941396U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110955209A (en) * | 2019-11-27 | 2020-04-03 | 中交一公局第六工程有限公司 | Safety control system and monitoring method for super-huge bridge girder erection machine |
| CN113250093A (en) * | 2021-06-01 | 2021-08-13 | 中铁大桥局集团第六工程有限公司 | Small-plane curve radius concrete segmental beam assembling bridge girder erection machine and method |
| CN113250093B (en) * | 2021-06-01 | 2022-05-13 | 中铁大桥局集团第六工程有限公司 | Method for assembling small-plane curve radius concrete segmental beam |
| CN113802460A (en) * | 2021-09-26 | 2021-12-17 | 郑州市华中建机有限公司 | 40-meter 1000t OU-shaped supporting leg tunnel portal zero-distance beam erecting and bridge erecting machine and construction process |
| CN114673098A (en) * | 2022-03-31 | 2022-06-28 | 中铁第五勘察设计院集团有限公司 | Self-propelled cantilever bridge fabrication machine |
| CN114673098B (en) * | 2022-03-31 | 2023-09-29 | 中铁第五勘察设计院集团有限公司 | Self-propelled cantilever bridge fabrication machine |
| CN116446299A (en) * | 2023-06-08 | 2023-07-18 | 河南中冶起重机集团有限公司 | Auxiliary bracket of bridge girder erection machine |
| CN116446299B (en) * | 2023-06-08 | 2023-10-13 | 河南中冶起重机集团有限公司 | Auxiliary bracket of bridge girder erection machine |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20180130 Termination date: 20190221 |