CN100572673C - Span continuous beam bridge fabrication machine in a kind of - Google Patents
Span continuous beam bridge fabrication machine in a kind of Download PDFInfo
- Publication number
- CN100572673C CN100572673C CNB2006101092203A CN200610109220A CN100572673C CN 100572673 C CN100572673 C CN 100572673C CN B2006101092203 A CNB2006101092203 A CN B2006101092203A CN 200610109220 A CN200610109220 A CN 200610109220A CN 100572673 C CN100572673 C CN 100572673C
- Authority
- CN
- China
- Prior art keywords
- girder
- fabrication machine
- bridge fabrication
- pier
- bridge
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
Images
Landscapes
- Bridges Or Land Bridges (AREA)
Abstract
The invention discloses a kind of middle span continuous beam bridge fabrication machine and a kind of section assembling and build the bridging beam method of continuous beam.This bridge fabrication machine is at loggerheads by front leg strut, nose girder, changeover portion, bending segment, girder, pier, and leg, suspention and accent girder system are united, jacking falls, and frame system, walking system, electric power system, straddle truck, bed die transport vehicle, multi-functional Beam transportation vehicle and fixture are formed.This method comprises: with the bridge fabrication machine spelling on bridge pier; On bridge fabrication machine, the beam section is carried out the operation of a series of construction technologies; Bridge fabrication machine moves forward to next hole by self power; So finish the construction of whole bridge repeatedly.Adopt this equipment and method to have fast, the industrialization degree advantages of higher of speed of application, adapt to the needs of China railways bridge construction development; The self-powered device of bridge fabrication machine can be in pier top mobile, and construction is not limited by orographic condition; Span can adapt to smallest curve radius 600m; Improve working security and operating efficiency, better guaranteed construction quality.
Description
Technical field
The present invention relates to a kind of bridge construction equipment, the bridge fabrication machine and the job practices thereof of especially a kind of railway or highway bridge.
Background technology
In recent years, adopt the bridge fabrication machine technology to build a large amount of simply supported beams in the railroad bridge construction at home, but it is still blank directly to build continuous beam with bridge fabrication machine.Section assembling method construction continuous beam is fast because of its speed of application, industrialization degree is high, beam physique amount is obviously improved, and has been one of current bridge developing direction by generally acknowledging.
Traditional bridge fabrication machine has following shortcoming:
1, only adapt to simply supported beam usually, and the construction of incompatibility continuous beam;
2, utilize the base plate of jack brace summer section, be unfavorable for the adjustment of beam section linearity;
3, the linear adjustment of bridge utilizes people's wage adjustment beam usually;
4, construction is limited by orographic condition, especially is not suitable for the spanning construction in big some the special complicated locations such as deep water bridge of the high bridge in zanjon valley and difficulty of construction;
5, utilize Trolley case directly to be supported on the bridge pier, having bad luck Trolley case need be by manpower;
6, only adapt to the straight line bridge usually, but the maximum bridge of accommodation curve radius more than 1000m.
Summary of the invention
The technical problem to be solved in the present invention provides the bridging beam method of a kind of middle span continuous beam bridge fabrication machine and a kind of section assembling construction continuous beam, utilize this bridge fabrication machine and method, can realize bridge fabrication machine construction continuous beam, and it is simple to operate, construction cost is low, efficiency of construction is high, can also build the bridge of small curve radius.
Based on the foregoing invention purpose, the present invention proposes following technical scheme:
Bridge fabrication machine is at loggerheads by front leg strut, nose girder, changeover portion, bending segment, girder, pier, and leg, suspention and accent girder system are united, jacking falls, and frame system, walking system, electric power system, straddle truck, bed die transport vehicle, multi-functional Beam transportation vehicle and fixture are formed;
Wherein, described front leg strut is suspended in and is arranged at the nose girder bottom, and on the track of nose girder horizontal-associate, described front leg strut is provided with two telescopic masts, and the lifting travel of described front leg strut is 1480mm; Changeover portion is positioned at the nose girder rear end, and bending segment is positioned at the girder leading portion, by the connection between the transition bending segment nose girder and girder is linked together, and described girder length overall is 81.6m, is divided into 13 joints, and except that periproct length was 8885mm, all the other each joints were pressed the 6m design; The bending of one place is arranged in the middle of the bending segment, make girder and nose girder form broken line shape; Girder lower cover both sides are welded with supporting track, and be at loggerheads leg upper end of pier is connected on the supporting track, and can move along supporting track, and when linking to each other with the 32m beam with 64m, both piers leg height that is at loggerheads differs 2000mm; Suspention and accent girder system system are positioned on the track at girder upper cover plate center, and described track is welded on girder upper cover plate centre position; The jacking frame system that falls is arranged on the girder, is made up of jacking crossbeam, bottom girder, jack and pumping plant; Walking system is made up of the steel strand hydraulic jack, and hydraulic jack is installed in pier and is at loggerheads on the leg, and steel strand are fixed on the lower cover of girder; Described power system is made up of generator, distributor, is electrically connected with the engine of walking system; Described straddle truck is located on the bridge fabrication machine support; Multi-functional Beam transportation vehicle is positioned at the displacement crossbeam place of girder, can move along the rail track that is laid on the Cheng Liang, and described rail track adopts the 43kg/m rail, and gauge is 1730mm; It is 2000mm that the jacking crossbeam connects a maximum changing range that the flange setting is adjusted up and down with the displacement crossbeam; Fixture comprises railing, protector and bed die transport vehicle, and described railing is connected the girder outside by bolt, and described bed die transport vehicle is arranged on the inboard lower cover of the two girders edge of a wing, and can move along the edge of a wing.
Described nose girder is a space truss structure, and its shape is ∏ shape, and both sides are two main trusses, and the horizontal-associate by the portal frame form between the main truss connects; Nose girder is provided with the straddle truck walking rails, and straddle truck is by this track handling pier leg that is at loggerheads; In two main truss lower middle position of nose girder the pier leg supporting track that is at loggerheads is set.Described nose girder horizontal-associate is meant the horizontal connecting rod between two nose girder main trusses.
The top cover plate center of described girder is provided with the track of suspension system, and track adopts square steel; The straddle truck walking rails is arranged at the outer coxostermum top of girder, and track adopts rail, fixes with buckle; The lower cover center is provided with bridge fabrication machine vertical shift steel strand, and two web places are provided with the pier leg supporting track that is at loggerheads, and also are the tracks of bridge fabrication machine via hole;
Described bending segment is a box structure, and its bending angle is complementary with the sweep of bridge.
Described nose girder is become by some sections spellings; Described girder adopts box girder structure, and it is stacked up and down to be two casees, and is arranged to plurality of sections; The height of nose girder is identical with the girder height.
Described pier be at loggerheads leg be set to about two, when bridge fabrication machine is in when building the beam state, its underpart is fixed on pier cap and the pier shaft, it is provided with the pushing tow hydraulic cylinder, provides power by the pushing tow hydraulic cylinder for the bridge fabrication machine traveling; The be at loggerheads support contact point place of leg and master, nose girder of pier is provided with rocker, and making this support road along the line direction can swing up and down; Pier is at loggerheads and also is provided with Traverse Displacement Unit on the leg.
Described suspention and accent girder system system are made up of hanging beam shoulder pole, suspender, shoulder pole longitudinal-moving device, accent beam tool car and shoulder pole beam pad groove;
Described suspender is suspended in the beam section on the shoulder pole girder, and shoulder pole girder can move on the track that is arranged at girder upper cover plate center by the pad groove; Vertically-displacable jack on the logical hanging beam shoulder pole is realized vertical adjustment of hanging beam shoulder pole and precast beam section, transfers the beam tool car to realize horizontal and vertical adjustment of beam section;
Spreader position on the shoulder pole girder has slotted hole, and the shoulder pole girder two ends are provided with the spiro keyhole position that connects with girder.
Described bed die transport vehicle is two, traveling on the inboard lower cover of the two girders edge of a wing.
Described straddle truck moves on the bridge fabrication machine support; Straddle truck laterally is provided with cantilever.
Described multi-functional Beam transportation vehicle is rail-mounted, also is provided with the revolution turntable on the Beam transportation vehicle.
Adopt this equipment and method to have fast, the industrialization degree advantages of higher of speed of application, adapt to the needs of China railways bridge construction development; The self-powered device of bridge fabrication machine can be in pier top mobile, and construction is not limited by orographic condition; It is 600 meters that span can adapt to smallest curve radius; Improve working security and operating efficiency, can better guarantee construction quality.
Description of drawings
Fig. 1 is the overall structure schematic diagram of bridge fabrication machine.
Fig. 2 is the vertical view of bridge fabrication machine shown in Figure 1.
Fig. 3 is the schematic diagram of bracket, straddle truck section.
Fig. 4 is the schematic diagram of jacking crossbeam section.
Fig. 5 is the schematic diagram of displacement crossbeam, Beam transportation vehicle section.
Fig. 6 is the schematic diagram of displacement crossbeam, straddle truck section.
Fig. 7 is the schematic diagram of fixture section.
Fig. 8 is the schematic diagram of front leg strut section.
The specific embodiment
The invention will be further described below in conjunction with the drawings and specific embodiments, but not as a limitation of the invention.
Extremely shown in Figure 8 as Fig. 1 is a bridge fabrication machine of making according to this programme, and the concrete structure of this bridge fabrication machine is as follows:
This machine mainly by girder, transition become folding section 16, front launching nose 8, front leg strut 7, pier be at loggerheads leg 2, beam section suspension system 1, transfer fall frame system 9, walking system 15, straddle truck 11, Beam transportation vehicle 13, electric power system 12 and fixture 5 etc. of beam tool car 10, jacking partly to form.
Girder
Girder adopts box-beam structure, for stacked about two casees.Single case section is 1660mm * 3000mm, and two casees employing M24 * 100 bolts (GB/T5782-2000,8.8 grades of low-carbon alloy steels), M24 nuts (GB/T1760-2000,8 grades) connect up and down.Girder length overall 81.6m is divided into 13 joints, and except that periproct length was 8885mm, all the other each joints were pressed the 6m design substantially.Adopt the bolt scab to connect between each joint, the cover plate coupling bolt is M30 * 100 (GB/T5782-2000 up and down, 8.8 level low-carbon alloy steel, polished rod length is 44mm), nut is M30 (GB/T1760-2000,8 grades), the web coupling bolt is M24 * 70 (GB/T5782-2000,8.8 the level low-carbon alloy steel), nut is M24 (GB/T1760-2000,8 grades), each section weight is that 8262kg and No. 13 sections are the 9707kg except that No. 1 section, all the other sections are generally between 6～7t.
Two center to center distance between main girder are 8380mm.8 places jacking crossbeam 3 (selecting diverse location for use according to construction spanning and beam type) is set girder and 1 place displacement crossbeam 4 connects the position, jacking crossbeam 3 and displacement crossbeam 4 connect the position flange requirement that can satisfy the variation of different spans bridge height and need to adjust up and down are set, and maximum changing range is 2000mm.
Girder upper cover plate center is provided with beam suspension system track, and track adopts 50mm * 50mm square steel.The straddle truck walking rails is arranged at outer coxostermum top, and track adopts 43 rail, and rail adopts buckle to fix.The lower cover center is provided with bridge fabrication machine vertical shift bracket and pushes track, and two web places are provided with the bracket supporting track.
Girder is established railing on the outside, and girder is established remarkable duct in two casees inside up and down, and the girder web is opened remarkable hole.
Changeover portion
Changeover portion is to be provided with for adapting to definite sweep, utilizes changeover portion that girder and nose girder are connected into an integral body, and makes girder and nose girder form needed angle.Changeover portion is designed to the box structure identical with main beam structure, for example makes nose girder become 7.36 degree with girder, can calculate and dispose changeover portion according to execution conditions.
Front launching nose 8
Nose girder is to cross for bridge fabrication machine to step up pier setting, can come the handling bracket by traveling straddle truck 11 on it.Nose girder adopts trussed construction, crosses the resistance to overturning when striding, the whole ∏ shape structure that adopts for guaranteeing it.10.9 grades of M30 bolts are all adopted in the nose girder splicing.The upper and lower chord member of nose girder internode adopts the assembly welding box-beam structure, and maximum weight is 3t.
The nose girder top is provided with and the straddle truck walking rails of girder with gauge.The bottom is provided with and the bracket supporting track of girder with gauge.Nose girder front end 30m scope is provided with front leg strut 7 walking rails.
The jumping beam that connects with transom bolt supports the lower chord of nose girder, realizes the nose girder support of pier forwardly.Jumping beam can rotate, and makes front leg strut 7 pass through bracket.
If adopt the mode of pre-installing bracket in advance, then front leg strut 7 telescopic masts can be transferred to highest order, needn't consider its stroke.
The pier leg 2 that is at loggerheads
The pier leg 2 that is at loggerheads is the brace foundation of bridge fabrication machine, and bracket utilizes pier cap and pier shaft to fix, and about establishing on every pier two, adopts and smartly pricks screw-thread steel and pier is coupled as one.
Bracket system designs according to the bridge pier 14 of institute's construction bridges, and the pier shaft structure changes and construction spanning weight change, all should redesign bracket.For example at the downward 3860mm of pier top pinner root, pier center line (cross-bridges direction) both sides 800mm establishes built-in fitting (4 on every pier) in the place, and built-in fitting should be able to bear 290t vertical force and 140t lateral force.
For adapting to different pier shaft structures, bracket adopts the piecemeal design, and working portion is universal design, and linking with bridge pier 14 partly is one-off design.
Consider that 64m links to each other with the 32m beam, both differ 2000mm by the pier height, therefore, become when striding construction, can prop up the underbed of pad 2000mm on the bracket.During construction, should prop up pad according to the concrete condition that spanning changes.
The strong point of bracket and support is provided with rocker, and promptly this support road along the line direction can swing up and down, and adapts to circuit 12 ‰ gradients.
The strong point of bracket can transverse shift, and the maximum transversal amount of movement is for disposing as required, 860mm (satisfying 32m beam construction requirement) for example, and the horizontal amount of movement of construction 40m beam is 530mm, construction 56m and 64m beam do not need laterally mobile.
Two ZGGK1 type oil cylinders are set, make bracket can push the reach of bridge fabrication machine complete machine, translational speed is 0.45m/min, and each maximum propelling movement distance is 1000mm.
Bracket structure as shown in Figure 3.Bracket provides by two kinds of assembled states at present, and only hound two differences can satisfy 32m and 40m, 56m beam construction needs.
Beam section suspension system 1
Transfer beam tool car 10
Transferring beam tool car 10 is for realizing that beam section lateral attitude and absolute altitude adjustment are provided with, but also double as instrument and wet joint concrete delivery truck simultaneously.Transfer 10 jackings of beam tool car mainly to form by vehicle frame, accent beam shoulder pole and hydraulic system.
It is rail-mounted transferring beam tool car 10, and its track is used the straddle truck track, and power is not established in the traveling of this car, needs manually to promote.This car is equipped with hopper and can be used for concrete transportation.
The jacking frame system 9 that falls
The jacking frame system 9 that falls is for realizing that bridge fabrication machine construction change working is provided with, set gradually 8 installation sites from A-P on the girder, can satisfying 32～64m freely-supported and Construction of continuous beam requirement.Jack-up system is made up of jacking crossbeam 3, bottom girder, QF320T-20b type jack and BZ63-2.5 type pumping plant.
The flange of installation site, 8 place on the girder, by the design of 32～64m deck-molding, jack-up system should be selected suitable installation site according to the construction spanning.
Beam transportation vehicle 13 (bridge fabrication machine is packed assembled state) supports displacement crossbeam 4, realizes the bridge fabrication machine end support, is used for bridge fabrication machine vertical shift via hole.
Bed die transport vehicle 6
Bed die transportation traveling on the inboard lower cover of the two girders edge of a wing is used to pack and the wet joint bed die is installed.Action edge is not established away in this car traveling, needs to promote girder by the constructor and realizes that it is to moving in the other direction.This car is equipped with two, is installed in during the simply supported beam construction between construction spanning two bridge piers 14, and during constructing continuous beam, two cars are installed in the front and back of construction spanning bridge pier 14 respectively.
Bridge fabrication machine is equipped with one of DY43C-40kW comings diesel generating set, adopts three-phase four-wire power supply, electrical socket is set to power devices such as hydraulic power unit, front leg strut 7 traveling winches in each equipment operating point.
4.2 bridge fabrication machine important technological parameters
1, complete machine deadweight: 800 tons
2, complete machine power: 150 kilowatts
3, accommodation curve radius: 600 meters
4, technical speed: month one-tenth beam 200 linear meter(lin.m.)s
5, maximum line slope: 25 ‰
6, bridge fabrication machine length overall: 129 meters
7, two center to center distance between main girder: 8.380 meters
8, bridge fabrication machine speed of advancement: 0.2 meter of per minute
9, maximum gradeability: 12 ‰
10, straddle truck 11 traveling speeds: 0 to 10 meter of frequency control per minute
11, straddle truck 11 lifting velocities: 0.9 meter of per minute
12, Beam transportation vehicle 13 carrying capacity: 250 tons
13, Beam transportation vehicle 13 is from line speed: per hour 10 kilometers
With certain bridge is that example further specifies bridging method of the present invention, this bridge is arranged in that wherein 9 * 32m prestressed concrete simply supported beam of section, the upper reaches of the Yellow River+(39+4 * 56+39) the continuous camber beam of m one prestressed concrete adopts span continuous beam bridge fabrication machine construction of the present invention, and this bridge has characteristics such as sweep little (sweep R=600m), the gradient big (‰ 12 upward slope), complicated topographical conditions.
The process of utilizing the present invention to carry out bridging is:
1. the spelling bridge fabrication machine is installed displacement crossbeam 4 to the position of building the 32m depth of beam, prepares to build the 32m simply supported beam.
2. Beam transportation vehicle 13 is transported to the afterbody of bridge fabrication machine with the precast beam section, and straddle truck 11 moves to the afterbody of bridge fabrication machine simultaneously, prepares the beam section on the Beam transportation vehicle 13 risen to winch to straddle truck 11.
3. by straddle truck 11 the precast beam section is put on the suspension system 1 successively from front to back, the 32m simply supported beam is finished after operations such as toning beam, the wet seam reinforcing bar of colligation, upright wet seam template, the wet joint concrete of cast, stretch-draw.
4. through same operation, the motionless construction of finishing next hole 32m simply supported beam of bridge fabrication machine original position.
5. at place, No. 8 positions jacking crossbeam 3 is installed, No. 8 position jacking crossbeams 3 make bridge fabrication machine jacking 200mm the bridge fabrication machine afterbody and support bracket and are separated from, straddle truck 11 is removed the back and is supported bracket afterwards, and No. 8 position jacking crossbeam 200mm that bounce back make it arrive original absolute altitude, and the bridge fabrication machine afterbody is still supported by jacking crossbeam 3.
6. front leg strut 7 jacking 200mm reserve the installing space of bracket; Bracket to front leg strut 7 place piers are installed bracket after straddle truck 11 handlings; Install back front leg strut 7 retractions, the bridge fabrication machine front end is supported by bracket.
7.8 number position jacking crossbeam 3 is with bridge fabrication machine jacking 200mm, Beam transportation vehicle 13 runs to displacement crossbeam 4 belows after loading onto equal crossbeam.Retraction jacking crossbeam 200mm supports the bridge fabrication machine tail end by Beam transportation vehicle 13.
8. under the propelling movement of back bracket shift cylinder, the bridge fabrication machine vertical shift puts in place, a upright front leg strut 7; No. 8 position jackings of jacking crossbeam 3 is withdrawn from 13, No. 8 position jackings of Beam transportation vehicle crossbeam 3 and is bounced back to normal absolute altitude, and the bridge fabrication machine tail end is still supported by No. 8 position jacking crossbeams 3, and bridge fabrication machine puts in place and reaches the state of setting a roof beam in place.
9. straddle truck 11 is finished setting up of the 3rd hole 32m simply supported beam to bridge fabrication machine afterbody lifting beam section; And repeat the construction that above process is finished the 7th 32m simply supported beam always.
10. when doing octal 32m simply supported beam, after bridge fabrication machine puts in place, stretch 1270mm under front leg strut 7 needs, other operation process are the same, finish the construction of octal beam.
11. when doing the 9th hole 32m simply supported beam, will fill up 1270mm after preceding bracket puts in place, front leg strut 7 needs reach 7400mm to position, preceding square pier top, will stretch 1270mm down for the discrepancy in elevation that adapts to Dun Ding, other operation process are constant, finish the construction of the 9th hole beam.
12. when being 40m and striding, after the bridge fabrication machine reach put in place, front leg strut 7 reach 6200mm were to preceding square pier top, and under stretch 1270mm.
13. straddle truck 11 is to preceding bracket place, No. 6 position jacking crossbeam 3 jacking bridge fabrication machines, remove bracket and prop up pad 200mm, the position jacking crossbeam 3 that bounces back No. 6 makes the bridge fabrication machine tail end reduce 200mm straddle truck 11 to bracket place, back, No. 2 position jacking crossbeam 3 jacking bridge fabrication machines, remove bracket and prop up pad 200mm, the position jacking crossbeam 3 that bounces back No. 2 makes the bridge fabrication machine middle part reduce 200mm, and front leg strut 7 reduces 200mm afterwards.So repeatedly, the bridge fabrication machine landing is put in place, finish the construction of 40m beam.
14. and construction 32m beam process is basic identical, finishes 3 hole 56m continuous beams and builds.As to a last hole 56m time because preceding square pier exceeds 1270mm, so will be with bridge fabrication machine jacking 1270mm, its process and bridge fabrication machine reduction are basic identical.Front leg strut 7 also will move to different positions along with the difference of span, should be all the time at the Dun Ding of place pier.
Above-described embodiment, the present invention specific embodiment a kind of more preferably just, those skilled in the art is in the scheme scope of the technology of the present invention, and common variation and the replacement carried out all should be included in protection scope of the present invention.
Claims (10)
1. span continuous beam bridge fabrication machine in a kind, it is characterized in that this bridge fabrication machine is at loggerheads by front leg strut, nose girder, changeover portion, bending segment, girder, pier, and leg, suspention and accent girder system are united, jacking falls, and frame system, walking system, electric power system, straddle truck, bed die transport vehicle, multi-functional Beam transportation vehicle and fixture are formed;
Wherein, described front leg strut is suspended in and is arranged at the nose girder bottom, and on the track of nose girder horizontal-associate, described front leg strut is provided with two telescopic masts, and the lifting travel of described front leg strut is 1400mm; Changeover portion is positioned at the nose girder rear end, and bending segment is positioned at the girder leading portion, by the connection between the transition bending segment nose girder and girder is linked together, and described girder length overall is 81.6m, is divided into 13 joints, and except that periproct length was 8885mm, all the other each joints were pressed the 6m design; The bending of one place is arranged in the middle of the bending segment, make girder and nose girder form broken line shape; Girder lower cover both sides are welded with supporting track, and be at loggerheads leg upper end of pier is connected on the supporting track, and can move along supporting track, and when linking to each other with the 32m beam with 64m, both piers leg height that is at loggerheads differs 2000mm; Suspention and accent girder system system are positioned on the track at girder upper cover plate center, and described track is welded on girder upper cover plate centre position; The jacking frame system that falls is arranged on the girder, is made up of jacking crossbeam, bottom girder, jack and pumping plant; Walking system is made up of the steel strand hydraulic jack, and hydraulic jack is installed in pier and is at loggerheads on the leg, and steel strand are fixed on the lower cover of girder; Described power system is made up of generator, distributor, is electrically connected with the engine of walking system; Described straddle truck is located on the bridge fabrication machine support; Multi-functional Beam transportation vehicle is positioned at the displacement crossbeam place of girder, can move along the rail track that is laid on the Cheng Liang, and described rail track adopts the 43kg/m rail, and gauge is 1730mm; It is 2000mm that the jacking crossbeam connects a maximum changing range that the flange setting is adjusted up and down with the displacement crossbeam; Fixture comprises railing, protector and bed die transport vehicle, and described railing is connected the girder outside by bolt, and described bed die transport vehicle is arranged on the inboard lower cover of the two girders edge of a wing, and can move along the edge of a wing.
2. span continuous beam bridge fabrication machine in according to claim 1 is characterized in that described nose girder is a space truss structure, and its shape is ∏ shape, and both sides are two main trusses, and the horizontal-associate by the portal frame form between the main truss connects; Nose girder is provided with the straddle truck walking rails, and straddle truck is by this track handling pier leg that is at loggerheads; In two main truss lower middle position of nose girder the pier leg supporting track that is at loggerheads is set.
3. span continuous beam bridge fabrication machine in according to claim 1 and 2 is characterized in that the top cover plate center of described girder is provided with the track of suspension system, and track adopts square steel; The straddle truck walking rails is arranged at the outer coxostermum top of girder, and track adopts rail, fixes with buckle; The lower cover center is provided with bridge fabrication machine vertical shift steel strand, and two web places are provided with the pier leg supporting track that is at loggerheads, and also are the tracks of bridge fabrication machine via hole.
4. span continuous beam bridge fabrication machine in according to claim 1 and 2 is characterized in that described bending segment is a box structure, and its bending angle is complementary with the sweep of bridge.
5. span continuous beam bridge fabrication machine in according to claim 1 and 2 is characterized in that described nose girder is become by some sections spellings; Described girder adopts box girder structure, and it is stacked up and down to be two casees, and is arranged to plurality of sections; The height of nose girder is identical with the girder height.
6. span continuous beam bridge fabrication machine in according to claim 1 and 2, it is characterized in that, described pier be at loggerheads leg be set to about two, when bridge fabrication machine is in when building the beam state, its underpart is fixed on pier cap and the pier shaft, it is provided with the pushing tow hydraulic cylinder, provides power by the pushing tow hydraulic cylinder for the bridge fabrication machine traveling; The be at loggerheads support contact point place of leg and master, nose girder of pier is provided with rocker, and making this support road along the line direction can swing up and down; Pier is at loggerheads and also is provided with Traverse Displacement Unit on the leg.
7. span continuous beam bridge fabrication machine in according to claim 1 and 2 is characterized in that, described suspention and accent girder system system are made up of hanging beam shoulder pole, suspender, shoulder pole longitudinal-moving device, accent beam tool car and shoulder pole beam pad groove;
Described suspender is suspended in the beam section on the shoulder pole girder, and shoulder pole girder can move on the track that is arranged at girder upper cover plate center by the pad groove; Vertically-displacable jack on the logical hanging beam shoulder pole is realized vertical adjustment of hanging beam shoulder pole and precast beam section, transfers the beam tool car to realize horizontal and vertical adjustment of beam section;
Spreader position on the shoulder pole girder has slotted hole, and the shoulder pole girder two ends are provided with the spiro keyhole position that connects with girder.
8. span continuous beam bridge fabrication machine in according to claim 1 and 2 is characterized in that described bed die transport vehicle is two, traveling on the inboard lower cover of the two girders edge of a wing.
9. span continuous beam bridge fabrication machine in according to claim 1 and 2 is characterized in that described straddle truck moves on the bridge fabrication machine support; Straddle truck laterally is provided with cantilever.
10. span continuous beam bridge fabrication machine in according to claim 1 and 2 is characterized in that described multi-functional Beam transportation vehicle is rail-mounted, also is provided with the revolution turntable on the Beam transportation vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101092203A CN100572673C (en) | 2006-08-04 | 2006-08-04 | Span continuous beam bridge fabrication machine in a kind of |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNB2006101092203A CN100572673C (en) | 2006-08-04 | 2006-08-04 | Span continuous beam bridge fabrication machine in a kind of |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1940183A CN1940183A (en) | 2007-04-04 |
| CN100572673C true CN100572673C (en) | 2009-12-23 |
Family
ID=37958692
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNB2006101092203A Active CN100572673C (en) | 2006-08-04 | 2006-08-04 | Span continuous beam bridge fabrication machine in a kind of |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN100572673C (en) |
Families Citing this family (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101260649B (en) * | 2008-04-21 | 2012-02-15 | 上海市政工程设计研究总院 | Steel-concrete composite structure continuous beam bridge construction method |
| CN102108676B (en) * | 2009-12-29 | 2015-02-04 | 上海市政工程设计研究总院 | Arch bridge construction method for combined beam-steel arch combined system |
| CN101967798B (en) * | 2010-10-08 | 2012-01-04 | 中铁一局集团有限公司 | Highway double-guide-beam bridge erecting machine and turning method |
| CN102493356A (en) * | 2011-12-28 | 2012-06-13 | 郑州新大方重工科技有限公司 | Girder arm suitable for leg suspending running bridge girder erection machine |
| CN105463999B (en) * | 2016-01-06 | 2017-07-07 | 秦皇岛天业通联重工科技有限公司 | A kind of Segmental assembling bridge-erecting machine and curve bridging method |
| CN106400701B (en) * | 2016-08-25 | 2018-06-29 | 中铁十一局集团有限公司 | A kind of list girder low level balanced cantilever assembly Bridge Erector |
| CN106917356B (en) * | 2017-03-13 | 2018-07-27 | 中铁四局集团钢结构有限公司 | A kind of novel steel truss girder bridge railway ballast frid Efficient installation method |
| CN107059640B (en) * | 2017-05-24 | 2023-03-03 | 郑州新大方重工科技有限公司 | Bridge girder erection machine for prefabricated segmental beam span-by-span construction and construction method thereof |
| CN109518604A (en) * | 2018-07-23 | 2019-03-26 | 中铁重工有限公司 | One kind being used for deep camber steel box-girder push construction method |
| CN109235273B (en) * | 2018-10-24 | 2024-02-27 | 上海先为土木工程有限公司 | Assembled prefabricated Liang Zhuangyun interlude car |
| CN110172923B (en) * | 2019-06-17 | 2024-02-13 | 中国建筑第六工程局有限公司 | Environment-friendly type descending self-propelled steel trestle structure |
| CN110735404A (en) * | 2019-11-26 | 2020-01-31 | 中铁第五勘察设计院集团有限公司 | Variable width guide beam |
-
2006
- 2006-08-04 CN CNB2006101092203A patent/CN100572673C/en active Active
Non-Patent Citations (7)
| Title |
|---|
| ZQL32/64型中跨连续梁造桥机造桥技术. 党海军.《铁道建筑技术》，第2005年2期. 2005 |
| ZQL32/64型中跨连续梁造桥机造桥技术. 党海军.《铁道建筑技术》，第2期. 2005 * |
| ZQL32/64型连续梁造桥机总体设计与结构创新. 黄耀怡.《铁道建筑技术》，第2005年6期. 2005 |
| ZQL32/64型连续梁造桥机总体设计与结构创新. 黄耀怡.《铁道建筑技术》，第6期. 2005 * |
| ZQL32/64型造桥机总体结构及其计算模型的建立. 李大康.《铁道建筑技术》，第2005年1期. 2005 |
| ZQL32/64型造桥机总体结构及其计算模型的建立. 李大康.《铁道建筑技术》，第1期. 2005 * |
| ZQL3264型中跨连续梁造桥机墩顶牛腿的设计与应用. 孙世豪.《铁道建筑技术》，第2005年5期. 2005 |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1940183A (en) | 2007-04-04 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN100572673C (en) | Span continuous beam bridge fabrication machine in a kind of | |
| CN104499433B (en) | One wears high ferro low clearance erecting beam construction method under acutangulating intersection | |
| CN104805773B (en) | The Segmental assembling bridge-erecting machine of little curved bridge of constructing | |
| CN101537973B (en) | Method for continuously hoisting rolling mill housings by hydraulic pushing and lifting | |
| CN201485790U (en) | Balanced single-nose bridge girder erection machine | |
| CN2937233Y (en) | Midspan continuous beam bridge building machine | |
| CN201801818U (en) | Bridge erecting machine capable of erecting double-track twin beams at tunnel entrance by zero distance | |
| CN101260650A (en) | 50m/1430t double width integral box girder construction process | |
| CN203021883U (en) | Wheel-track railway track laying unit | |
| CN102140779A (en) | Movable cast-in-situ support and movable construction method of box girder cast-in-situ support | |
| CN110847062A (en) | Construction method for whole-hole assembly double-width erection in 80-meter-span wide steel box girder factory | |
| CN109653105A (en) | Box girder bridge cantilever construction main truss cradle system and its application method | |
| CN113957793A (en) | Construction method for prefabricating box girder support in complex urban environment | |
| CN110820602A (en) | Single-segment box girder bridge girder erection machine and operation method thereof | |
| CN110158486B (en) | Bridge girder erection machine for erecting spliced wide beams and construction method | |
| CN100497833C (en) | High-altitude framework type simple plate supporting machine | |
| CN2921280Y (en) | Tunnel invert form trolley with floating running chassis | |
| CN201943004U (en) | Double-girder transporting and erecting integrated bridge girder erecting machine capable of realizing girder erecting at zero distance from tunnel portal | |
| CN201268830Y (en) | Multifunctional portable bridge layer | |
| CN114808747A (en) | Multifunctional bridge girder erection machine and bridge girder erection construction method | |
| CN109680614B (en) | Method and equipment for quickly transferring ultra-large bridge girder erection machine of assembled steel-concrete combined bridge | |
| CN101935978B (en) | Overhead cable track and special track traveling crane thereof | |
| CN203419675U (en) | Traveling track for girder crane | |
| CN111851307A (en) | Large-span prefabricated assembly type corrugated web combined box girder transportation frame construction method | |
| CN111119072A (en) | Staggered construction method for steps of high-pier bridge in mountainous area |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| ASS | Succession or assignment of patent right |
Owner name: CHINA RAILWAY SURVEY AND DESIGN INSTITUTE OF THE Free format text: FORMER OWNER: RAILWAY NO.5 SURVEY AND DESIGN INST. Effective date: 20080201 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| TA01 | Transfer of patent application right |
Effective date of registration: 20080201 Address after: Zip code 9, Kang Chong Road, Beijing, Daxing District: 102600 Applicant after: China Railway Fifth Survey and Design Institute Group Ltd. Address before: Zip code 9, Kang Chong Road, Beijing, Daxing District: 102600 Applicant before: The Fifth Railway Survey & Design Institute |
|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant |