CN201746780U - Bridge girder erection machine capable of passing through tunnel and realizing girder erection at tunnel opening - Google Patents
Bridge girder erection machine capable of passing through tunnel and realizing girder erection at tunnel opening Download PDFInfo
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- CN201746780U CN201746780U CN 201020220129 CN201020220129U CN201746780U CN 201746780 U CN201746780 U CN 201746780U CN 201020220129 CN201020220129 CN 201020220129 CN 201020220129 U CN201020220129 U CN 201020220129U CN 201746780 U CN201746780 U CN 201746780U
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Abstract
The utility model relates to a bridge girder erection machine capable of passing through a tunnel and realizing the girder erection at the tunnel opening. The bridge girder erection machine comprises a main machine and a lower pilot girder; the main machine comprises a main girder, and rear support legs, a rear pilot girder crown block, a rear jacklift, a front jacklift, front support legs, auxiliary walking support legs and a front pilot girder crown block which are arranged on the main girder from the back end to the front end in sequence; tracks are arranged on the main girder; and the front jacklift, the rear jacklift, the front pilot girder crown block and the rear pilot girder crown block run on the tracks. Through the bridge girder erection machine and the working procedure thereof, the bridge erection and the girder erection can be realized in mountainous areas; and the bridge girder erection at the tunnel opening can be implemented through the combination of the jacklifts, a girder carrying trolley and a girder carrying bogie. When passing through the tunnel, the bridge girder erection machine can conveniently accomplish the mission by retracting and folding a plurality of parts, so that the bridge girder erection machine is not limited by the diameter of the tunnel. When the bridge girder erection machine is used for erecting a bridge, the construction efficiency is high, and the operation is stable.
Description
Technical field
The utility model relates to a kind ofly can and realize the bridge formation machine of setting a roof beam in place in the tunnel face by the tunnel, relates in particular to a kind of bridging equipment of rapid construction of mountain terrain, is specifically related to a kind of novel bridge formation machine of setting a roof beam in place in tunnel and tunnel face of crossing.
Background technology
Further reinforcement and development along with China's infrastructure; the construction of various infrastructure is entering quick, a sane developing stage; the railway Eleventh Five-Year Plan shows; Chinese Railway has entered the great-leap-forward development stage; especially since the economic crisis; China strengthens the input to infrastructure such as railway, highways, and the railway construction construction will reach unprecedented peak period.Along with railway construction in China strides forward the sustained and rapid development stage, a key issue that will solve earlier railway construction construction party kept man of a noblewoman is as how lower construction cost, and higher efficiency of construction is carried out the railway construction construction, satisfying growing demand, thereby catch up with the paces of economic development.
At present, in the railway construction work progress, for land occupation not, guarantee the safety of railway, the shared proportion of overhead part on the railway is increasing, and in elevated line, and the large concrete boxes beam becomes vitals on the overhead route as weight support, and because the weight of this large concrete boxes beam is big, unusual difficulty in transportation and when building overhead railway in the large-tonnage concrete box girder transportation rack device of routine, has following several bridge formation machine bridge formation of constructing usually.
1. auxiliary nose girder formula bridge formation machine
Auxiliary nose girder formula bridge formation machine formula bridge formation machine rear support leg rear portion girder has tail outstanding, and the bridge formation machine is got the beam position at the rear support leg rear portion, and Beam transportation vehicle is carried the only traveling on the Beam transportation vehicle track of beam dolly on the back.
2. fixed point is lifted by crane the bridge formation machine
Fixed point lifting bridge formation machine is that Beam transportation vehicle is carried the beam chassis on the back and directly run to the Luo Liang position from Beam transportation vehicle.
3. walking bridge formation machine
Walking bridge formation machine rear support leg rear portion is many supporting leg, tail boom is long.The bridge formation machine does not need auxiliary nose girder to carry out via hole, by self supporting leg traveling or convert via hole.
4. integration of transporting and building machine
The integration of transporting and building machine mainly divides main frame and nose girder.Main frame is taken into account the fortune beam and the task of setting a roof beam in place, and main frame need run to the nose girder top.
And because China is vast in territory, has different geological conditionss, as different places such as Plain, the mountain ridge, hills, plateaus different requirements is arranged all to setting a roof beam in place, and with respect to the mountain terrain, because it is unlike the flat site, need by different operations such as tunnel, climbings, therefore, at the continuous operating mode of mountain terrain bridge tunnel, above-mentioned bridge formation machine has following shortcoming respectively:
1. above-mentioned 1,3 all can't finish the hole sets a roof beam in place;
2. above-mentioned 1,2,3 all need to disassemble and could pass through the tunnel;
3. 4 above-mentioned efficiencies of construction are very low, and nose girder requires stability high.
And in order to solve the defective of these existing bridge formation machines, the application's utility model people has proposed a kind of novel bridge formation machine, can overcome these defectives, is suitable for building bridge in the mountain terrain.
Summary of the invention
The purpose of this utility model is to provide a kind of can and realize the bridge formation machine of setting a roof beam in place in the tunnel face by the tunnel, and it can be realized setting a roof beam in place in the tunnel face and by the tunnel, effectively take into account the deficiency of above-mentioned a few class bridge formation machine in the continuous location of bridge tunnel.
For achieving the above object, the utility model discloses and a kind ofly can and realize the bridge formation machine of setting a roof beam in place in the tunnel face, comprise main frame and nose girder down, it is characterized in that by the tunnel:
Described main frame comprises girder and from the past front end of main beam rear end rear support leg, back launching nose overhead traveling crane, back trolley, preceding trolley, front leg strut, auxiliary traveling supporting leg and front launching nose overhead traveling crane is installed successively, girder is provided with track, the preceding trolley that orbits, back trolley, front launching nose overhead traveling crane and back launching nose overhead traveling crane;
Described following nose girder comprises following nose girder girder and is positioned at the rear support leg and the front leg strut that is positioned at the front lower place of its back lower place;
Girder is supported on the bridge pier by front leg strut, and rear support leg is supported on the face of building bridge by a running mechanism.
Wherein, described rear support leg is an O type supporting leg, connect into the O type of a sealing by bolt and hinged-support by more piece steel case beam, tie-beam passes through bolt on it, the revolution hinge links together with girder, the revolution hinge realizes the revolution before and after the top, bolt is fixed, its middle part tie-beam is two sections collapsible steel case beams that are formed by connecting by bolt and hinged-support, described collapsible steel case beam top is connected with last tie-beam by bolt and hinged-support, the bottom is connected with following tie-beam by bolt, described tie-beam down is the ship shaped steel case beam that is connected with running mechanism, and running mechanism adopts the tire traveling.
Wherein, described back launching nose overhead traveling crane by back launching nose overhead traveling crane girder, herringbone leg, walk cross girders, hanging beam mechanism forms, the foldable steel case beam of described back launching nose overhead traveling crane girder for connecting to form by bolt and hinged-support by more piece steel case beam, its two ends are connected with hanging beam mechanism by hinged-support, described herringbone leg is made up of two sections steel case beams, respectively with back launching nose overhead traveling crane girder and walk cross girders and be connected, the described cross girders of walking is supported on the track at girder top by wheel by bolt at its two ends.
Wherein, described front leg strut top is supported on the girder base track by the wheel of running mechanism, the bottom is supported on the bridge pier by collapsible steel case beam supporting leg, comprises telescopic mast, connects the camber beam of telescopic mast, running mechanism, collapsible steel case beam supporting leg, horizontal tie-beam.
Wherein, described auxiliary traveling supporting leg is made up of last running mechanism, telescopic mast, following running mechanism, the described running mechanism of going up is supported on the base track of girder by wheel, described running mechanism down is supported on down by wheel on the track at nose girder top, and described telescopic mast is connected with last running mechanism, following running mechanism by bolt.
Wherein, the front launching nose overhead traveling crane is supported on by wheel on the track of the truss bridge of the nose of girder front end, connects suspender by wire rope, assembly pulley, and suspender is connected with following nose girder by suspension rod.
Wherein, described nose girder cross section down is a rectangle, its rectangle inboard is provided with waling, diaphragm, its upper end is provided with walking rails, its both sides, front end bottom are provided with track, and its front end is provided with hole for hoist, are connected with the front launching nose overhead traveling crane by suspension rod, the rear end is provided with the side hole for hoist, is connected with the back launching nose overhead traveling crane by hanging beam mechanism.
Wherein, described lower nose girder rear support leg top is connected with following nose girder by bolt and hinged-support, and its underpart is provided with support cylinder, and height-adjustable spiral supporting leg is equipped with in described support cylinder bottom.
Wherein, described nose girder front leg strut top down is connected with following nose girder by bolt and hinged-support, and running mechanism is equipped with at its top, and the bottom is provided with support cylinder, and height-adjustable spiral supporting leg is equipped with in described support cylinder bottom.
Wherein, preceding trolley, back trolley structure are identical, form by big vehicle frame, traversing dolly, reel, assembly pulley, rope guide, balancer, vertical shift drive unit; Described reel, assembly pulley, rope guide, balancer all are placed on the traversing dolly, and described traversing dolly is supported on the big vehicle frame, are connected with big vehicle frame by oil cylinder, connect suspender by reel, assembly pulley, wire rope.
Pass through said structure, the operation operation that can realize setting a roof beam in place in the mountain terrain of setting a roof beam in place of bridge formation machine of the present utility model and bridge formation, during by the tunnel, can shrink and fold a plurality of parts, make the bridge formation machine easily by the tunnel, can not be subjected to the restriction of tunnel size, and when building bridge, the efficiency of construction height, stable operation.
Description of drawings
Fig. 1 of the present utility modelly can and realize the structural representation of the bridge formation machine of setting a roof beam in place in the tunnel face by the tunnel.
Fig. 2 is the structural representation of rear support leg.
Fig. 3 is that the back launching nose overhead traveling crane is on girder and hang down nose girder schematic diagram.
Fig. 4 is a trolley at the girder beam sheet schematic diagram of hanging oneself.
Fig. 5 is that front leg strut props up the schematic diagram on bridge pier.
Fig. 6 is that auxiliary traveling supporting leg props up schematic diagram on bridge pier.
Fig. 7 is that preceding hanging beam overhead traveling crane is hung oneself at the girder bridge of the nose and removed the nose girder schematic diagram.
Fig. 8 is that nose girder props up on bridge pier down, and auxiliary traveling supporting leg props up schematic diagram thereon.
Fig. 9, Figure 10 are respectively the schematic diagrames of the following forward and backward supporting leg of nose girder.
Figure 11 to 18 has shown the process of bridge formation frame bridge.
The specific embodiment
With reference to Fig. 1, of the present utility model can be by the tunnel and realize that the bridge formation machine set a roof beam in place in the tunnel face mainly comprise main frame and nose girder 10 down.Described main frame comprises girder 4 and (before and after so-called is before being with the direction of setting a roof beam in place, otherwise is the back) is equipped with rear support leg 1, back launching nose overhead traveling crane 2, back trolley 3, preceding trolley 5, front leg strut 8, auxiliary traveling supporting leg 6, front launching nose overhead traveling crane 7 successively from girder 4 rear ends toward front end.Girder 4 is provided with track, trolley 5, back trolley 6, front launching nose overhead traveling crane 7 and back launching nose overhead traveling crane 2 before orbiting.Described following nose girder 10 comprises following nose girder girder and is positioned at the rear support leg 11 and the front leg strut 9 that is positioned at the front lower place of its back lower place.During bridge formation work, girder 4 is supported on the bridge pier by front leg strut 8, and rear support leg 1 is supported on the bridge formation face by its running mechanism 17.
Collapsible, scalable with reference to the described lower nose girder rear support leg of Fig. 9 11, satisfied setting up of last Kong Liang, abutment beam.
With reference to Fig. 1, shown in Figure 2, described rear support leg 1 is " O " type supporting leg, is connected into " O " type of a sealing by bolt and hinged-support by more piece steel case beam.Tie-beam 15 links together with two longitudinal beams of girder 4 by spiral shell, revolution hinge on it, the revolution hinge realizes the revolution before and after the top, bolt plays fixation, its middle part tie-beam 16 is two sections collapsible steel case beams that are formed by connecting by bolt and hinged-support, described collapsible steel case beam 16 tops are connected 15 by bolt and hinged-support with last tie-beam, and the bottom is connected with following tie-beam 18 by bolt.Described tie-beam 18 down is for being connected with the ship shaped steel case beam of running mechanism 17.Described running mechanism 17 is the self-supporting wheels traveling that drives, and adopts the tire traveling.。By removing running mechanism 17, steel case beam 16 is folded, last tie-beam 15 relatively rotates with girder 4, thereby can reduce the sectional dimension of rear support leg, reaches the purpose of bridge formation machine of the present invention by the tunnel.
With reference to Fig. 1, shown in Figure 3, described back launching nose overhead traveling crane 2 by back launching nose overhead traveling crane girder 20, " herringbone " leg 21, walk cross girders 22, hanging beam mechanism 23 forms.The foldable steel case beam of described back launching nose overhead traveling crane girder 20 for connecting to form by bolt and hinged-support by more piece steel case beam.Its two ends are connected with hanging beam mechanism 23 by hinged-support.Described " herringbone " leg 21 is made up of two sections steel case beams, its two ends by bolt respectively with back launching nose overhead traveling crane girder 20 and walk cross girders 22 and be connected.The described cross girders 22 of walking is supported on the track at girder 4 tops by wheel.Before main frame was crossed and striden, back launching nose overhead traveling crane 2 was by hanging beam mechanism 23 nose girder 10 of slinging down, walked cross girders 22 at it and drove lower edge girders 4 and vertically move, and cooperated with front launching nose overhead traveling crane 7 to hang down nose girder 10 mistakes and stride.When main frame was crossed the tunnel, back launching nose overhead traveling crane 2 was by the girder 20 of folding back launching nose overhead traveling crane, and then shortening hanging beam mechanism 23, can reduce sectional dimension, reaches the purpose of bridge formation machine of the present utility model by the tunnel.
With reference to Fig. 1, shown in Figure 4, described before trolley 5, back trolley 3 structures identical, form by big vehicle frame 24, traversing dolly 25, reel 26, assembly pulley 27, rope guide 28, balancer 30, vertical shift drive unit 29.Described reel 26, assembly pulley 27, rope guide 28, balancer 30 all are placed on the traversing dolly 25.Described traversing dolly 25 is supported on the big vehicle frame 24 by the movement device, is connected with big vehicle frame 24 by oil cylinder, connects suspender 32 by reel 26, assembly pulley 27, wire rope 31, and suspender is connected with concrete box girder 14 by suspension rod 33.Described vertical shift drive unit 29 is connected on the big vehicle frame 24 by bolt.Described big vehicle frame 24 is supported on the track at girder 4 tops by the movement device.When setting a roof beam in place work, preceding trolley 5, back trolley 3 can vertically move along girder 4 by vertical shift drive unit 29, laterally move by traversing dolly 25 and accurately locate to reach concrete box girder 14.
Two reels 26 of trolley 5 can work independently by balancer 30 before described, but two reels 26 of back trolley 3 reach the purpose of 4 liftings of whole jacking system, 3 balances by balancer 30 synchronous workings.
With reference to Fig. 1, shown in Figure 5, described front leg strut 8 tops are supported on girder 4 base track by the wheel of running mechanism 35, the bottom is supported on the bridge pier by collapsible steel case beam supporting leg 37, comprise telescopic mast 36, connect the camber beam 39 of telescopic mast 36, running mechanism 35, collapsible steel case beam supporting leg 37, horizontal tie-beam 38.When setting a roof beam in place, front leg strut 8 can be walked Xingqi running mechanism 35 by shortening its telescopic mast 36, reaches the support demand of setting up different beam types (24m, 32m beam).
With reference to Fig. 1, shown in Figure 6, described auxiliary traveling supporting leg 6 is made up of last running mechanism 40, telescopic mast 41, following running mechanism 42.The described running mechanism 40 of going up is supported on the base track of girder 4 by wheel.Described running mechanism 42 down is supported on down on the track at nose girder 10 tops by wheel.Described telescopic mast 41 is connected with last running mechanism 40, following running mechanism 42 by bolt.When setting a roof beam in place, auxiliary traveling supporting leg 6 reaches the effect that does not stress when setting a roof beam in place by shortening telescopic mast 41.During via hole, auxiliary traveling supporting leg 6 reaches the effect of supporting main frame by shortening telescopic mast 41.
With reference to Fig. 1, shown in Figure 7, front launching nose overhead traveling crane 7 is supported on by wheel on the track of the truss bridge of the nose of girder 4 front ends, connects suspender 45 by wire rope, assembly pulley, and suspender 45 is connected with following nose girder 10 by suspension rod.Before the via hole, front launching nose overhead traveling crane 7 cooperates with back hanging beam overhead traveling crane 2 by suspender 45 nose girder 10 of slinging down, hangs down nose girder 10 mistakes and strides.
With reference to Fig. 1, Fig. 8, Fig. 9, shown in Figure 10, described nose girder 10 cross sections down are rectangle, its rectangle inboard is provided with waling, diaphragm, its upper end is provided with walking rails, its both sides, front end bottom are provided with track, and its front end is provided with hole for hoist, are connected with front launching nose overhead traveling crane 7 by suspension rod 45, the rear end is provided with the side hole for hoist, is connected with back launching nose overhead traveling crane 2 by hanging beam mechanism 23.
Described lower nose girder rear support leg 11 tops are connected with following nose girder 10 by bolt and hinged-support, and its underpart is provided with support cylinder, and height-adjustable spiral supporting leg 45 is equipped with in described support cylinder bottom.
Described nose girder front leg strut 9 tops down are connected with following nose girder 10 by bolt and hinged-support, and running mechanism 43 is equipped with at its top, and the bottom is provided with support cylinder, and height-adjustable spiral supporting leg 45 is equipped with in described support cylinder bottom.
Main frame is crossed when striding, and following nose girder 10 is propped auxiliary traveling supporting leg 6 by the track at its top.Following nose girder 10 is by shortening, fold its front leg strut 9, rear support leg 11, hanging and strode at front launching nose overhead traveling crane 7, back hanging beam overhead traveling crane 2, cross and stride the back by extending, launch its front leg strut 9, rear support leg 11, prop up on bridge pier, same nose girder front leg strut 9 at present, under the effect of its running mechanism 43, can vertically move along following nose girder 10, to satisfy the support demand of (24m, 32m beam).When setting a roof beam in place, carry beam chassis 13 before the preceding Beam transportation vehicle on the back and be supported on down on the track at nose girder 10 tops, and can vertically move along following nose girder 10 by the movement device.
The applicable following condition of work of tunnel bridge formation machine of crossing described in the utility model:
In the regional operation that links to each other of bridge tunnel, the bridge formation machine can pass double track tunnel under the packing of Beam transportation vehicle, and can set a roof beam in place during apart from tunnel import and export 4m at abutment.
Type bridges such as continuous beam (24m, 32m), compound beam and roadbed by and set a roof beam in place.
Operation maximum gradient :≤20 ‰.
Working curve radius: 〉=2000m.
Operating altitude height :≤2000m.
Operating ambient temperature :-20～+ 50 ℃.
Working environment maximum wind power: 6 grades of duties; 12 grades of off working states.
Described in the utility modelly can and realize the bridge formation frame beam process of setting a roof beam in place in the tunnel face following (referring to Figure 11 to 18) by the tunnel: equipment is carried out and is set up preparation, the front leg strut 9 of nose girder 10, rear support leg 11 are supported on respectively on the bridge pier of pre-frame case beam under the bridge formation machine, the rear support leg 1 of bridge formation machine is supported on and sets up Liang Mianshang (oil cylinder withdrawal, stressed by sleeper), front leg strut 8 is supported on the bridge pier of pre-frame case beam, and its front leg strut 8 is supported on the same bridge pier with the front leg strut 9 of following nose girder 10.The auxiliary traveling supporting leg of main frame is unsettled 6 this moments.Beam transportation vehicle 12 carries after concrete beam 14 drives to bridge formation machine rear end (being the left end of Fig. 1) along the beam face that has set up, its track is connected with the track at following nose girder 10 tops, this moment, the track of Beam transportation vehicle 12 was in same horizontal plane (satisfying by the front and back supporting leg of regulating down nose girder 10) with following nose girder track, and was on the same straight line.Before carrying beam chassis 13 afterwards on the back carries concrete beam 14 and directly drives to down nose girder 10 assigned addresses, before the dolly 5 beam sheet of slinging, with after carry beam chassis 46 concrete beam 14 of slinging on the back and move ahead, trolley 3, back trolley 5 lift by crane concrete beam 14 simultaneously before the back that puts in place.Afterwards, the forward and backward beam chassis of carrying on the back withdraws from down nose girder 10, and Beam transportation vehicle 12 is given an encore and packed next concrete box girder.Preceding hanging beam overhead traveling crane 7, back launching nose overhead traveling crane 2 hang down nose girder 10 respectively, and simultaneously, following nose girder 10 passes through to shorten, folding front and back supporting leg, and under the effect of front and back hanging beam overhead traveling crane, is forwarded to next and steps up.After treating that whole following nose girder 10 shifts out, concrete box girder 14 drops on the bridge pier in front and back trolley effect.Set a roof beam in place finish after, the auxiliary traveling supporting leg 6 of bridge formation machine is supported on down on the top rail of nose girder 10, and rear support leg 1 supports oil cylinder, takes sleeper away, main frame is realized the vertical shift via hole under auxiliary traveling supporting leg 6 and rear support leg 1 acting in conjunction, props front leg strut 8 after putting in place and just can descend setting up of a slice case beam.
By bridge formation machine of the present utility model, operation can be realized setting a roof beam in place, during in the mountain terrain by the tunnel, can shrink and fold a plurality of parts, make the bridge formation machine, can not be subjected to the restriction of tunnel size easily by the tunnel, and when building bridge, efficiency of construction height, stable operation.
Claims (10)
1. the bridge formation machine that energy is set a roof beam in place by tunnel and realization tunnel face comprises main frame and following nose girder, it is characterized in that:
Described main frame comprises girder and from the past front end of main beam rear end rear support leg, back launching nose overhead traveling crane, back trolley, preceding trolley, front leg strut, auxiliary traveling supporting leg and front launching nose overhead traveling crane is installed successively, girder is provided with track, preceding trolley, back trolley, front launching nose overhead traveling crane and back launching nose overhead traveling crane orbit
Described following nose girder comprises descending the nose girder girder and is positioned at the rear support leg and the front leg strut that is positioned at the front lower place of its back lower place,
Girder is supported on the bridge pier by front leg strut, and rear support leg is supported on the bridge formation face by a running mechanism.
2. bridge formation machine according to claim 1, it is characterized in that, described rear support leg is an O type supporting leg, connect into the O type of a sealing by bolt and hinged-support by more piece steel case beam, tie-beam passes through bolt on it, the revolution hinge links together with girder, the revolution hinge realizes the revolution before and after the top, bolt is fixed, its middle part tie-beam is two sections collapsible steel case beams that are formed by connecting by bolt and hinged-support, described collapsible steel case beam top is connected with last tie-beam by bolt and hinged-support, the bottom is connected with following tie-beam by bolt, and described tie-beam down is the ship shaped steel case beam that is connected with running mechanism, and running mechanism adopts the tire traveling.
3. bridge formation machine according to claim 1, it is characterized in that, described back launching nose overhead traveling crane by back launching nose overhead traveling crane girder, herringbone leg, walk cross girders, hanging beam mechanism forms, the foldable steel case beam of described back launching nose overhead traveling crane girder for connecting to form by bolt and hinged-support by more piece steel case beam, its two ends are connected with hanging beam mechanism by hinged-support, described herringbone leg is made up of two sections steel case beams, respectively with back launching nose overhead traveling crane girder and walk cross girders and be connected, the described cross girders of walking is supported on the track at girder top by wheel by bolt at its two ends.
4. bridge formation machine according to claim 1, it is characterized in that, described front leg strut top is supported on the girder base track by the wheel of running mechanism, the bottom is supported on the bridge pier by collapsible steel case beam supporting leg, comprise telescopic mast, connect the camber beam of telescopic mast, running mechanism, collapsible steel case beam supporting leg, horizontal tie-beam.
5. bridge formation machine according to claim 1, it is characterized in that, described auxiliary traveling supporting leg is made up of last running mechanism, telescopic mast, following running mechanism, the described running mechanism of going up is supported on the base track of girder by wheel, described running mechanism down is supported on down by wheel on the track at nose girder top, and described telescopic mast is connected with last running mechanism, following running mechanism by bolt.
6. bridge formation machine according to claim 1 is characterized in that, the front launching nose overhead traveling crane is supported on by wheel on the track of the truss bridge of the nose of girder front end, connects suspender by wire rope, assembly pulley, and suspender is connected with following nose girder by suspension rod.
7. bridge formation machine according to claim 1, it is characterized in that, described nose girder cross section down is a rectangle, its rectangle inboard is provided with waling, diaphragm, and its upper end is provided with walking rails, and its both sides, front end bottom are provided with track, its front end is provided with hole for hoist, be connected with the front launching nose overhead traveling crane by suspension rod, the rear end is provided with the side hole for hoist, is connected with the back launching nose overhead traveling crane by hanging beam mechanism.
8. bridge formation machine according to claim 1 is characterized in that, described lower nose girder rear support leg top is connected with following nose girder by bolt and hinged-support, and its underpart is provided with support cylinder, and height-adjustable spiral supporting leg is equipped with in described support cylinder bottom.
9. bridge formation machine according to claim 1, it is characterized in that described nose girder front leg strut top down is connected with following nose girder by bolt and hinged-support, running mechanism is equipped with at its top, the bottom is provided with support cylinder, and height-adjustable spiral supporting leg is equipped with in described support cylinder bottom.
10. bridge formation machine according to claim 1 is characterized in that, preceding trolley, back trolley structure are identical, form by big vehicle frame, traversing dolly, reel, assembly pulley, rope guide, balancer, vertical shift drive unit; Described reel, assembly pulley, rope guide, balancer all are placed on the traversing dolly, and described traversing dolly is supported on the big vehicle frame, are connected with big vehicle frame by oil cylinder, connect suspender by reel, assembly pulley, wire rope.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201020220129 CN201746780U (en) | 2010-06-09 | 2010-06-09 | Bridge girder erection machine capable of passing through tunnel and realizing girder erection at tunnel opening |
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| Application Number | Priority Date | Filing Date | Title |
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| CN 201020220129 CN201746780U (en) | 2010-06-09 | 2010-06-09 | Bridge girder erection machine capable of passing through tunnel and realizing girder erection at tunnel opening |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102312410A (en) * | 2011-07-18 | 2012-01-11 | 中铁三局集团有限公司 | Construction method for tunnel portal short-distance erection by 900t bridge girder erection machine |
| CN102425120A (en) * | 2011-08-29 | 2012-04-25 | 中铁科工集团有限公司 | Split guide beam type tunnel-passing bridge girder erecting machine |
| CN103437290A (en) * | 2013-07-25 | 2013-12-11 | 河北工业大学 | Folding lower guide beam |
| CN110374000A (en) * | 2019-06-24 | 2019-10-25 | 中国路桥工程有限责任公司 | Bridge Erector is used in overseas railway paving frame engineering safety construction |
| CN111335178A (en) * | 2020-03-26 | 2020-06-26 | 中铁七局集团第三工程有限公司 | Small-curve-radius steel box girder bridge girder erection machine and erection construction method |
-
2010
- 2010-06-09 CN CN 201020220129 patent/CN201746780U/en not_active Expired - Fee Related
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102312410A (en) * | 2011-07-18 | 2012-01-11 | 中铁三局集团有限公司 | Construction method for tunnel portal short-distance erection by 900t bridge girder erection machine |
| CN102425120A (en) * | 2011-08-29 | 2012-04-25 | 中铁科工集团有限公司 | Split guide beam type tunnel-passing bridge girder erecting machine |
| CN102425120B (en) * | 2011-08-29 | 2013-12-18 | 中铁科工集团有限公司 | Split guide beam type tunnel-passing bridge girder erecting machine |
| CN103437290A (en) * | 2013-07-25 | 2013-12-11 | 河北工业大学 | Folding lower guide beam |
| CN110374000A (en) * | 2019-06-24 | 2019-10-25 | 中国路桥工程有限责任公司 | Bridge Erector is used in overseas railway paving frame engineering safety construction |
| CN111335178A (en) * | 2020-03-26 | 2020-06-26 | 中铁七局集团第三工程有限公司 | Small-curve-radius steel box girder bridge girder erection machine and erection construction method |
| CN111335178B (en) * | 2020-03-26 | 2022-04-29 | 中铁七局集团第三工程有限公司 | Small-curve-radius steel box girder bridge girder erection machine and erection construction method |
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