CN103147398B - A kind of Bridge Erector realizes the method shifting between bridge or pass through tunnel - Google Patents
A kind of Bridge Erector realizes the method shifting between bridge or pass through tunnel Download PDFInfo
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- CN103147398B CN103147398B CN201310042752.XA CN201310042752A CN103147398B CN 103147398 B CN103147398 B CN 103147398B CN 201310042752 A CN201310042752 A CN 201310042752A CN 103147398 B CN103147398 B CN 103147398B
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Abstract
The invention discloses a kind of bridge formation unit and self-servicely realize technology such as shifting between bridge.Bridge formation unit adopts the two girder three supporting leg scheme of two straddle types, and Beam transportation vehicle adopts two motor-driven small-sized chassis of rubber-tyred, and can lift fortune span is the "T"-shaped concrete beam of 32m.When Bridge Erector vertical shift via hole, during these two chassis are arranged on respectively, bottom rear support leg, become the walking carriage of Bridge Erector, at this moment cantilever position via hole before Bridge Erector system; When Bridge Erector need be done to shift between bridge, these two chassis become again packs chassis; Namely a car is multiplex: take turns to be used as Beam transportation vehicle, walking carriage, to pack chassis.In manual of the present invention emphasis teach this Multipurpose trolley coordinate Bridge Erector main frame self-service complete between bridge shift, pass through tunnel until when first hole beam established by next crane span structure bridge machine from a series of operational method in place etc. on bridge opening, than prior art and then economy.
Description
Technical field
The present invention relates to bridge erection field of mechanical technique, particularly a kind of Bridge Erector method of realizing between bridge transfer or passing through tunnel.
Background technology
In the construction technology of bridge and erection, when Bridge Erector completes when last bridge block, need to transfer to next bridge and go to set a roof beam in place, be referred to as " shifting between bridge "; And between these two bridges, often also have tunnel to be separated by, need Bridge Erector to pass.This process is always the large technical barrier that Summarized Account of Bridge Erection Construction operation process exists.In the past, most way is by Bridge Erector portion disintegrates and repacking on the spot, utilizes Beam transportation vehicle to pack transfer; Arrive next end of the bridge, then Bridge Erector has been re-assemblied.Visible, this is more time-consuming method, and work efficiency is lower, and cost is higher.
In view of this, the operation process how enabling Bridge Erector complete between bridge transfer simply and easily and pass through tunnel is a popular research topic always.
Summary of the invention
The present invention discloses from many aspects a kind of method that Bridge Erector to realize between bridge transfer or pass through tunnel.The present invention can assist without the need to any exterior mechanical equipment and without the need to doing the operations such as any dismounting, repacking and weight reducing, and self-service completing between bridge is shifted, passed through tunnel, until when establishing first hole beam to next crane span structure bridge machine from a series of operation in place etc. on bridge opening; Therefore can overcome in prior art take a lot of work, the shortcoming that time-consuming, efficiency is low and cost is high.
First aspect of the present invention, provide a kind of Bridge Erector to realize the method shifting between bridge or pass through tunnel, described method comprises:
Step 201, last hole erection is complete, and when bridge machine prepares transfer, front leg strut and middle supporting leg prop up and stand on bridge floor, and rear support leg shrinks, and allow front chassis sail into;
Step 202, sails into bottom rear support leg by rear chassis, connect and prop up vertical firm;
Step 203, middle supporting leg shrinks, and allows front chassis sail into bottom middle supporting leg, connect and prop up vertical firm;
Step 204, two beam-hanging traveling cranes and fall back on rear end by front end and work as ballast, front leg strut shrinks and falls back on front side of middle supporting leg, and Bridge Erector becomes front boom state;
Step 205, front chassis and rear chassis are packed Bridge Erector and are moved ahead.
Second aspect of the present invention, provides a kind of Bridge Erector to transfer to next bridge end of the bridge, self-servicely completes the method stepping up operation in place at first bridge.Described method comprises:
Step 301, before Bridge Erector, cantilever position carries row on the back, enters the contraposition of first hole, until after coming to a complete stop on middle supporting leg arrival abutment breastwork, starts front leg strut change gear and makes front leg strut above the bottom flange vertical shift of girder first half section extremely front square pier top;
Step 302, front leg strut leans front side at front square pier and stands reliable, has hydraulic pressure bearing pin to insert and fasten jail with a bolt or latch between leg top and kingpost baseplate; Supporting leg and the connection of carrying the front chassis of row on the back in releasing, middle supporting leg shrinks, and front chassis is withdrawn from backward;
Step 303, falls middle supporting leg and directly stands on abutment breastwork, two beam-hanging traveling cranes and move to front end by rear end and work as ballast, and remove rear support leg and pack the connection of rear chassis, rear support leg shrinks, and now front chassis and rear chassis are all withdrawn from backward;
Step 304, rear support leg tilts into level backward, and Beam transportation vehicle feeding beam enters to build bridge in ventral;
Step 305, rear support leg falls and stands on road surface, and two beam-hanging traveling cranes lift by crane concrete beam to forward and backward suspension centre place, and handling reinforced concrete T-section beams to be fallen beam across contraposition to first bridge by middle supporting leg " U " shape section.
Preferably, if set a roof beam in place on curve, described girder first half section must do swinging arm, before girder front end is aimed at above square pier, front leg strut then just can be made to climb up Dun Ding.
The above-mentioned technical scheme provided, compared with prior art, can without the need to any exterior mechanical equipment assistance and without the need to doing the operations such as any dismounting, repacking and weight reducing, and self-service complete between bridge shift, pass through tunnel until when first hole beam established by next crane span structure bridge machine from a series of operation in place etc. on bridge opening, can overcome in prior art take a lot of work, the shortcoming that time-consuming, efficiency is low and cost is high.
Accompanying drawing explanation
In order to be illustrated more clearly in the embodiment of the present invention or technical scheme of the prior art, be briefly described to the accompanying drawing used required in embodiment or description of the prior art below, apparently, accompanying drawing in the following describes is some embodiments of the present invention, for those of ordinary skill in the art, under the prerequisite not paying creative work, other accompanying drawing can also be obtained according to these accompanying drawings.
Fig. 1 is a kind of Bridge Erector structural representation of one embodiment of the invention;
Fig. 2 is the method flow schematic diagram that a kind of Bridge Erector of another embodiment of the present invention realizes shifting between bridge or passing through tunnel;
Fig. 3 is that a kind of Bridge Erector of another embodiment of the present invention transfers to that next bridge end of the bridge is self-service completes the schematic flow sheet stepping up operation in place at first bridge;
The view that Fig. 4-1 to Fig. 4-4 to realize between bridge transfer for Bridge Erector described in another embodiment of the present invention or passes through tunnel;
Fig. 5-1 to Fig. 5-5 is the self-service view stepping up operation in place at first bridge that completes of a kind of Bridge Erector of another embodiment of the present invention;
Detailed description of the invention
For making the object of the embodiment of the present invention, technical scheme and advantage clearly, below in conjunction with the accompanying drawing in the embodiment of the present invention, technical scheme in the embodiment of the present invention is clearly and completely described, obviously, described embodiment is the present invention's part embodiment, instead of whole embodiments.Based on the embodiment in the present invention, those of ordinary skill in the art, not making the every other embodiment obtained under creative work prerequisite, belong to the scope of protection of the invention.
One aspect of the present invention, provides a kind of bridge formation unit, and it comprises main frame and the forward and backward chassis of multipurpose tyre formula.This chassis successively take turns for: be used as the Beam transportation vehicle lifting fortune concrete beam, be used as walking carriage during Bridge Erector vertical shift via hole, when being used as transfer between Bridge Erector bridge and crossing tunnel, pack chassis.
Described Bridge Erector main frame forms as described below: adopt the two main beam structure of two straddle types, 3 supporting legs before, during and after being equipped with under it, it are equipped with forward and backward 2 beam-hanging traveling cranes.The two girder of two straddle types is box-girder, the connection of its front and back ends crossbeam forms a horizontal frame, a secondary oscillating arm mechanisms is established in every root girder center, it is made up of hinge and push cylinder, girder first half section suitable rotation knuckle in horizontal plane can be made like this, to meet the needs of setting a roof beam in place on curve; The power of girder swing arm is exactly rely on that be arranged on hinge mechanism side to provide push cylinder.Front leg strut is bent structure, and its left and right capital is equipped with bracket and is used for supporting main beam, and bracket band is change gear initiatively, can carry front leg strut and reciprocate before and after girder, and front leg strut is also collapsible and stretch up and down.Middle supporting leg is " U " shape post, and left and right capital is also equipped with bracket and carrys out supporting main beam, and bracket is also with initiatively change gear can move forward and backward along girder to make middle supporting leg, and with the needs of satisfied erection unequal span degree beam, middle supporting leg can also stretch up and down.Rear support leg is also bent structure, and its left and right column system and girder are rigidly connected; Rear support leg can also stretch up and down, can also tilt backward.Before, during and after the Telescopic up and down of 3 supporting legs all realize by cylinder jacking casing string.Forward and backward beam-hanging traveling crane all has the function of the longitudinal walking of hanging beam and transverse shifting.
Described each 1 supporting of the forward and backward chassis of multipurpose tyre formula, be the motor-driven flatcar of rubber-tyred of band driver's seat, adopt generic card vehicle tyre, wheel shaft is several to be determined according to nominal load capacity.When wanting vertical shift via hole to next bridge opening when the complete hole beam of bridge formation frame, these two chassis just need be placed in bottom supporting leg and rear support leg, are used as the walking carriage of Bridge Erector; After Bridge Erector puts in place, two chassis are withdrawn from, and go to transport beam to rear square beam field.
As shown in Figure 1, be a kind of Bridge Erector structural representation of one embodiment of the invention, described Bridge Erector adopts the two main beam structure of two straddle types, establishes a secondary oscillating arm mechanisms 3, two girder is divided into second half section 2 and first half section 4 in every root girder center.This oscillating arm mechanisms 3 comprises hinge and push cylinder, can make girder first half section 4 can suitable rotation knuckle in horizontal plane like this, and such as 10 ° within the scope of 60 °, preferably, such as 15 °, 20 °, 25 °, 30 °, 35 °, 40 °, 45 ° etc., to meet the needs of setting a roof beam in place on curve, the power of swing arm is exactly to push cylinder from that of the side being arranged on hinge mechanism.Two girder is box-girder, and the connection of its front and back ends crossbeam forms a horizontal frame, and front leg strut 7, middle supporting leg 8 and rear support leg 1 are housed below framework.Front beam-hanging traveling crane 6 and rear beam-hanging traveling crane 5 are housed above framework, two overhead traveling cranes all have the function of the longitudinal walking of hanging beam and transverse shifting, front leg strut 7 is bent structure, its left and right capital is equipped with the bracket of supporting main beam, bracket is equipped with initiatively change gear, front leg strut 7 can be made to reciprocate along girder first half section 4, and front leg strut 7 is also collapsible and stretch up and down.Middle supporting leg 8 is " U " shape post, and its left and right capital is also equipped with the bracket of supporting main beam, and bracket is also equipped with initiatively change gear can make middle supporting leg 8 move forward and backward along girder, with the needs of satisfied erection unequal span degree beam; Middle supporting leg 8 can also stretch up and down.Rear support leg 1 is also bent structure, and its left and right pillar and girder second half section 2 are rigidly connected, but can tilt backward and stretch up and down.Before, during and after the Telescopic up and down of three supporting legs all adopt oil cylinder telescopic tubing string to realize.
Supporting rubber-tyred Multipurpose trolley totally 2, is divided into front tyre formula chassis 9 and rear tyre formula chassis 10, and they are motor-driven small-sized flatcars of rubber-tyred of band driver's seat, and adopt generic card vehicle tyre, wheel shaft is several to be determined according to nominal load capacity.When the complete hole beam of bridge formation frame, and when wanting vertical shift to next bridge opening, with regard to needing, front chassis 9 is placed in bottom supporting leg 8, rear chassis 10 is placed in bottom rear support leg 1, packs Bridge Erector vertical shift via hole; After Bridge Erector puts in place, two chassis 9 and 10 are all withdrawn from, and go to transport beam to rear square beam field.
After bridge formation unit completes the erection of a bridge end Kong Liang, need to transfer to next bridge end of the bridge, the self-service enforcement of this process Bridge Erector is carried row operation on the back or passes through tunnel.
As shown in Figure 2, a kind of Bridge Erector for another embodiment of the present invention realizes the method flow schematic diagram shifting between bridge or pass through tunnel, and composition graphs 4-1 to Fig. 4-4, described in specific as follows.
Step 201, last hole erection is complete, and when bridge machine prepares transfer, front leg strut 7 and middle supporting leg 8 stand on bridge floor, and rear support leg 1 shrinks, and allows first rubber-tyred chassis 9 drive into, as shown in Fig. 4-1.
Step 202, sails into second rubber-tyred chassis 10 bottom rear support leg 1, connect and prop up vertical firm, as shown in the Fig. 4-2.
Vertical firm step 203, middle supporting leg 8 shrinks, and allows first rubber-tyred chassis 9 sail into bottom middle supporting leg 8, connects and prop up, as shown in Fig. 4-3.
Step 204, two beam-hanging traveling cranes 5 and 6 fall back on rear end by front end and work as ballast, and front leg strut 7 shrinks and falls back on front side of middle supporting leg 8, and Bridge Erector becomes front boom state, as shown in Fig. 4-4.
Step 205, rubber-tyred chassis 9 and 10 starts, and packs Bridge Erector and moves ahead, and namely can be easily threaded through in way as run into tunnel.
Bridge formation unit completes between bridge and shifts, pass through tunnel and arrive next bridge end of the bridge, self-service the completing of bridge machine steps up operation in place at first bridge, idiographic flow as shown in Figure 3, the method flow schematic diagram stepping up operation in place at first bridge is completed for a kind of Bridge Erector is self-service, composition graphs 5-1 to Fig. 5-5, described in specific as follows.
Step 301, cantilever position carries row on the back before Bridge Erector, slowly enters the contraposition of first hole, until after middle supporting leg 8 arrives and to come to a complete stop on abutment breastwork, starting front leg strut 7 change gear makes front leg strut 7 above the bottom flange vertical shift of girder first half section 4 extremely front square pier top, as shown in fig. 5-1.
At this moment, if set a roof beam in place on curve, then girder first half section 4 must do swinging arm, before girder front end just can be made to aim at above square pier, front leg strut 7 then just can be made to climb up Dun Ding.
Step 302, front leg strut 7 leans front side at front square pier and stands reliable, has hydraulic pressure bearing pin to insert and fasten jail with a bolt or latch between leg top and kingpost baseplate; Supporting leg 8 and the connection of carrying the front chassis 9 of row on the back in releasing, middle supporting leg 8 shrinks, and front chassis 9 is withdrawn from, backward as shown in Fig. 5-2.
Step 303, falls middle supporting leg 8 and direct propping up stands on abutment breastwork, and two beam-hanging traveling cranes 5 and 6 move to front end by rear end and work as ballast, and remove rear support leg 1 and the connection of packing rear chassis 10, the serial beam of rear support leg 1, as shown in Fig. 5-3.
Step 304, rear support leg 1 tilts into level backward, and front chassis 9 and rear chassis 10 feeding beams enter to build bridge in ventral, as shown in Fig. 5-4.
Step 305, rear support leg 1 falls and stands on road surface, and two beam-hanging traveling cranes 5 and 6, to the "T"-shaped beam of forward and backward suspension centre place lifting concrete, then just can be fallen beam to the contraposition of first hole by middle supporting leg 8 " U " shape section by the "T"-shaped beam of handling concrete, as illustrated in fig. 5-5.
As can be seen from the above-described embodiment, a kind of Bridge Erector of the embodiment of the present invention and realize transfer between bridge or the method for a series of operation such as to pass through tunnel relative to prior art, there is following beneficial effect:
1, the bridge formation unit of the embodiment of the present invention adopts 2 motor-driven small-sized chassis 9,10 of rubber-tyred, can accomplish car three use: be 1. used as Beam transportation vehicle; 2. Bridge Erector vertical shift via hole walking carriage is used as; 3. to be used as between Bridge Erector bridge transfer and to pass through tunnel to pack chassis, not only practicality but also economic.
2, the bridge formation unit running gear of the embodiment of the present invention is full rubber-tyred, changes the conventional construction method of building bridge afterwards of first laying a railway track that newly-built common railway is consistent, and adopts the method for laying a railway track afterwards of first building bridge, and can improve work efficiency and can shorten construction period.
3, the bridge formation unit of the embodiment of the present invention can without the need to any exterior mechanical equipment assistance with without the need to doing the operations such as any dismounting, repacking and weight reducing, and self-service complete between bridge shift, pass through tunnel until when first hole beam established by next crane span structure bridge machine from a series of operation in place etc. on bridge opening, can overcome in prior art take a lot of work, the shortcoming that time-consuming, efficiency is low and cost is high.
Finally illustrate: above embodiment only in order to technical scheme of the present invention to be described, is not intended to limit; Although with reference to previous embodiment to invention has been detailed description, those of ordinary skill in the art is to be understood that: it still can be modified to the technical scheme described in foregoing embodiments, or carries out equivalent replacement to wherein portion of techniques feature; And these amendments or replacement, do not make the essence of appropriate technical solution depart from the spirit and scope of various embodiments of the present invention technical scheme.
Claims (2)
1. the Bridge Erector method that to realize between bridge transfer or pass through tunnel, it is characterized in that, described method comprises:
Step 201, last hole erection is complete, and when bridge machine prepares transfer, front leg strut (7) and middle supporting leg (8) stand on bridge floor, and rear support leg (1) shrinks, and allows front chassis (9) sail into;
Step 202, rear chassis (10) is sailed into rear support leg (1) bottom, connect and prop up stand firm;
Step 203, middle supporting leg (8) shrinks, allow front chassis (9) sail into middle supporting leg (8) bottom, connect and prop up stand firm;
Step 204, two beam-hanging traveling cranes (5) and (6) fall back on rear end by front end and work as ballast, and front leg strut (7) shrinks and falls back on middle supporting leg (8) front side, and Bridge Erector becomes front boom state;
Step 205, front chassis (9) and rear chassis (10) are packed Bridge Erector and are moved ahead.
2. Bridge Erector completes the method stepping up operation in place at first bridge after transferring to next bridge end of the bridge, it is characterized in that, described method comprises:
Step 301, before Bridge Erector, cantilever position carries row on the back, enter first bridge across contraposition, until after coming to a complete stop on middle supporting leg (8) arrival abutment breastwork, start front leg strut (7) change gear and make front leg strut (7) above girder first half section (4) bottom flange vertical shift extremely front square pier top;
Step 302, front leg strut (7) leans front side at front square pier and stands reliable, has hydraulic pressure bearing pin to insert and fasten jail with a bolt or latch between leg top and kingpost baseplate; Supporting leg (8) and the connection of carrying the front chassis (9) of row on the back in releasing, middle supporting leg (8) shrinks, and front chassis (9) is withdrawn from backward;
Step 303, falling supporting leg (8) and directly propping up stands on abutment breastwork, two beam-hanging traveling cranes (5) and (6) move to front end by rear end and work as ballast, remove rear support leg (1) and the connection of packing rear chassis (10), rear support leg (1) shrinks, and now rear beam making field fortune beam all withdrawn from backward by front chassis (9) and rear chassis (10);
Step 304, rear support leg (1) tilts into level backward, and front chassis (9) and rear chassis (10) fortune beam enter in bridge formation ventral;
Step 305, rear support leg (1) falls to prop up and stands on road surface, two beam-hanging traveling cranes (5) and (6) are to forward and backward suspension centre place lifting concrete beam, and handling reinforced concrete T-section beams to be fallen beam across contraposition to first bridge by middle supporting leg (8) " U " shape section.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104594198B (en) * | 2014-11-28 | 2016-05-04 | 中铁二十三局集团有限公司 | For the method for setting up juxtaposition case beam in tunnel |
| CN106149570A (en) * | 2015-03-24 | 2016-11-23 | 济南城建集团有限公司 | A kind of walking bridging machine erecting box girder construction method |
| CN104762885B (en) * | 2015-03-31 | 2017-01-18 | 中铁工程机械研究设计院有限公司 | Large-tonnage beam erection and transportation system in tunnel and beam erection span change procedure thereof |
| CN108442255B (en) * | 2018-05-23 | 2024-04-19 | 郑州新大方重工科技有限公司 | Movable formwork bridge fabrication machine and construction method for cast-in-situ bridge fabrication |
| CN114875804A (en) * | 2022-06-14 | 2022-08-09 | 保利长大工程有限公司 | Erection construction method for prefabricated box girder of spliced wide bridge |
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| JP3739046B2 (en) * | 2002-08-20 | 2006-01-25 | 機動建設工業株式会社 | Construction method of steel PC composite bridge |
| JP2006028734A (en) * | 2004-07-12 | 2006-02-02 | Kawasaki Heavy Ind Ltd | Launching erection method for bridge girder, using traveling staging |
| CN2767494Y (en) * | 2004-11-29 | 2006-03-29 | 北京万桥兴业机械有限公司 | Conveying and erecting integrated bridge girder erection equipment |
| CN201053105Y (en) * | 2007-04-17 | 2008-04-30 | 郭文学 | Equal span self-balancing bridge girder erection machine |
| CN201232168Y (en) * | 2008-07-31 | 2009-05-06 | 中铁二局股份有限公司 | Walking bridging machine |
| CN102330413B (en) * | 2011-07-18 | 2013-04-17 | 中铁三局集团有限公司 | Construction method for enabling bridge girder erection machine to independently go up and down girder carrier |
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Effective date of registration: 20160519 Address after: 066004 No. 3 Tianshan Road, Qinhuangdao economic and Technological Development Zone, Hebei, China Patentee after: QINHUANGDAO TIANYE TOLIAN HEAVY INDUSTRY CO., LTD. Address before: 066004 No. 3 Tianshan Road, Qinhuangdao economic and Technological Development Zone, Hebei, China Patentee before: Qinhuangdao Tianye Tolian Heavy Industry Co., Ltd. |