CN105220621B - A kind of vertical shift system of steel truss girder segment and vertical shift method - Google Patents

A kind of vertical shift system of steel truss girder segment and vertical shift method Download PDF

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Publication number
CN105220621B
CN105220621B CN201510564111.XA CN201510564111A CN105220621B CN 105220621 B CN105220621 B CN 105220621B CN 201510564111 A CN201510564111 A CN 201510564111A CN 105220621 B CN105220621 B CN 105220621B
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China
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trolley
fortune
steel truss
handling
positioning
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CN201510564111.XA
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Chinese (zh)
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CN105220621A (en
Inventor
周大庆
刘天贵
郑文
周明义
伍廷涛
廖万辉
刘骁凡
陈元忠
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贵州省公路工程集团有限公司
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Publication of CN105220621A publication Critical patent/CN105220621A/en
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Publication of CN105220621B publication Critical patent/CN105220621B/en

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Abstract

The invention discloses a kind of vertical shift system of steel truss girder segment and vertical shift methods.Including device for fixing running tracks(1), device for fixing running tracks(1)Lower section is equipped with handling apparatus(2);The device for fixing running tracks(1)Including upper shoulder pole girder(3), upper shoulder pole girder(3)Through reinforcing bar(4)With lower shoulder pole girder(5)Connection, lower shoulder pole girder(5)Lower section is equipped with track girder(6);The track girder(6)With transporting beam trolley(8)Beam trolley is transported in connection(8)The track girder at rear(6)On be also associated with positioning trolley(9);The handling apparatus(2)It is equipped with handling hawser(10).The present invention has, the characteristics of reducing construction workload, reduce construction cost, shorten the construction time, improve construction efficiency and reduce fortune beam trolley resistance.

Description

A kind of vertical shift system of steel truss girder segment and vertical shift method

Technical field

Longitudinal-moving device and its vertical shift method used the present invention relates to a kind of bridge construction field, particularly a kind of steel The vertical shift system of trusses segment and vertical shift method.

Background technology

Steel truss girder cable-stayed bridge in modern bridge construction using very extensive, mainly have span ability it is big, from heavy and light, just In transport, be easy to repair and replace the advantages of.But it is found in steel truss girder cable-stayed bridge construction, the handling trouble of steel truss girder segment, To site requirements height, make troubles to construction;The handling erection method of current steel truss girder segment is mainly, by steel to be assembled Trusses segment rod piece, to assembled position, then is sling with erection crane by ground transport and carries out assembly;By this kind of mode, need In order to transport, finishing road surface not only increases workload on finishing one road between steel truss girder segment and assembled position in advance, but also Construction cost can also be increased, moreover, transport steel truss girder segment to be assembled back and forth, can increase steel truss girder segment entrucking and Process is unloaded, this can extend the construction time, reduce construction efficiency, influence construction speed.

Invention content

The object of the present invention is to provide a kind of vertical shift system of steel truss girder segment and vertical shift methods.The present invention has, and subtracts Small construction workload reduces construction cost, shortens the construction time, improves construction efficiency and reduces the characteristics of transporting beam trolley resistance.

Technical scheme of the present invention:A kind of vertical shift system of steel truss girder segment, including device for fixing running tracks, track fixes dress It puts lower section and is equipped with handling apparatus;The device for fixing running tracks includes upper shoulder pole girder, and upper shoulder pole girder connects through reinforcing bar and lower shoulder pole girder It connects, track girder is equipped with below lower shoulder pole girder;The track girder is connect with fortune beam trolley, on the track girder at fortune beam trolley rear also It is connected with positioning trolley;The handling apparatus is equipped with handling hawser.

In the vertical shift system of aforementioned steel truss girder segment, the handling apparatus includes crossbeam, and crossbeam is equipped with hoist engine, Hoist engine is equipped with handling hawser;The handling hawser passes through fortune beam trolley to be connect with running block.

In the vertical shift system of aforementioned steel truss girder segment, the fortune beam trolley includes rail wheel, rail wheel and idler wheel branch Frame connects, and fixed pulley stent is equipped with below rolling wheel support, and fixed pulley stent is equipped with fixed pulley;The rail wheel and track girder Connection.

In the vertical shift system of aforementioned steel truss girder segment, the positioning trolley includes positioning roller, and positioning roller is with determining Position stent connection, locating support lower section are equipped with pin hole;The positioning roller is connect with track girder.

Vertical shift method used in the vertical shift system of aforementioned steel truss girder segment is,

A, upper shoulder pole girder and lower shoulder pole girder are fixed on by reinforcing bar on the lower boom of truss, the handling cable on handling apparatus Rope, with treating that the steel truss girder segment of vertical shift is connect, starts handling apparatus, steel truss girder segment edge fortune beam trolley later across fortune beam trolley Vertical direction be lifted, after slinging, using fortune beam rope card will across fortune beam trolley handling hawser be clamped on fortune beam trolley on; After clamping, fortune beam trolley moves forward, and steel truss girder segment is moved forward along track girder, and handling apparatus is released with the speed of advancement of fortune beam trolley Put handling hawser;

B, when steel truss girder segment move forward 6-8 meter after, positioning trolley is mounted on track girder, and handling hawser is caught in positioning In trolley, handling hawser is clamped on positioning trolley using positioning rope card, after clamping, fortune beam trolley continues steel truss girder segment Forward, positioning trolley is also along track girder Forward synchronous with steel truss girder segment;

C, steel truss girder segment often move forward 6-8 meters when, step b operation is repeated, until the vertical shift of steel truss girder segment is to assembled position;

D, after the completion of steel truss girder section assembling, two fortune beam trolleies return back to initial position, and during rollback, handling apparatus is with fortune The rollback speed recycling handling hawser of beam trolley, at this time positioning trolley also de-orbit successively therewith beam, trolley to be positioned is successively It is removed after disengaging and is deposited in predeterminated position, facilitate take next time.

More preferably, in the vertical shift method used in the vertical shift system of aforementioned steel truss girder segment, the step a is, will be upper Shoulder pole girder and lower shoulder pole girder are fixed on by reinforcing bar on the lower boom of truss, and the handling hawser on hoist engine passes through fortune beam trolley simultaneously By running block with treating that the steel truss girder segment of vertical shift is connect, start hoist engine later, steel truss girder segment is perpendicular along fortune beam trolley Nogata after slinging, will be clamped on across the handling hawser of fortune beam trolley on fortune beam trolley to being lifted using fortune beam rope card;Clamping Afterwards, fortune beam trolley moves forward, and steel truss girder segment is moved forward along track girder, and hoist engine discharges handling with the speed of advancement of fortune beam trolley Hawser;

The step d is, after the completion of steel truss girder section assembling, two fortune beam trolleies return back to initial position, during rollback, Hoist engine recycles handling hawser with the rollback speed of fortune beam trolley, and positioning trolley also de-orbits beam successively therewith at this time, undetermined Position trolley is removed after being detached from successively and is deposited on crossbeam, facilitates take next time.

More preferably, in the vertical shift method used in the vertical shift system of aforementioned steel truss girder segment, the step a is, will be upper Shoulder pole girder and lower shoulder pole girder are fixed on by reinforcing bar on the lower boom of truss, and the handling hawser on hoist engine passes through fixed pulley and passes through It crosses running block and treats that the steel truss girder segment of vertical shift is connect, start hoist engine later, steel truss girder segment is vertical along fortune beam trolley Direction is lifted, and after slinging, will be clamped on fortune beam trolley across the handling hawser of fixed pulley using fortune beam rope card;After clamping, The rail wheel of fortune beam trolley moves forward along track girder, drives the trolley Forward of fortune beam, and drive the Forward of steel truss girder segment, hoist engine therewith Handling hawser is discharged with the speed of advancement of fortune beam trolley.

More preferably, in the vertical shift method used in the vertical shift system of aforementioned steel truss girder segment, the step b is to work as steel After 6-8 meters of trusses segment Forward, handling hawser is put into two positioning trolleys by positioning trolley later on track girder in pairs Between locating support, and handling hawser is fixed in the pin hole being inserted on locating support using positioning pin, after fixed, use positioning rope Between handling hawser is clamped on two locating supports by card, after clamping, fortune beam trolley continues to move forward steel truss girder segment, positioning trolley Along track girder Forward synchronous with steel truss girder segment;

The step d is, after the completion of steel truss girder section assembling, two fortune beam trolleies return back to initial position, during rollback, Hoist engine recycles handling hawser with the rollback speed of fortune beam trolley, and positioning trolley pairs of at this time also de-orbits successively therewith Beam after trolley to be positioned is detached from successively, unloads positioning rope card, removes positioning pin, two positioning trolleys is made to be separated from each other and be detached from and are hung Hawser is transported, the positioning trolley being separated from each other is removed be deposited on crossbeam later.

Compared with prior art, steel truss girder segment is sling and then passed through by the handling hawser of the invention through handling apparatus Steel truss girder segment is directly transported to assembled position by the fortune beam trolley being connect with track girder in the air;With this configuration, instead of Ground transport mode so as to which the process on finishing road surface be omitted, effectively reduces the workload of construction, while also reduce construction Cost, meanwhile, it efficiently solves when mountain area is when field constructions, place is narrow, at the hawthorn of two intermountains the problem of transport difficult;It removes In addition, the present invention is omitted entrucking and the discharge time of steel truss girder segment, has in this way without being transported back and forth to steel truss girder segment again Effect shortens the construction time, improves construction efficiency, accelerates construction speed.But find in use, with fortune beam trolley Continuous vertical shift, the handling hawser transported between beam trolley and handling apparatus (hoist engine) is increasingly longer, and the dead weight of handling hawser is to fortune The drag force of beam trolley backward is also increasing, so as to transport the resistance of steel truss girder segment to fortune beam trolley vertical shift also increasingly Greatly.In practice, it has been found that the vertical shift that handling hawser in 6-8 meters of length, is conducted oneself with dignity on transporting beam trolley is substantially without influence.The present invention By transport beam trolley by steel truss girder segment often move forward 6-8 meter when, by positioning trolley to being mounted on track girder, and use positioning rope Handling hawser is clamped on positioning trolley by card, and after clamping, positioning trolley is synchronized with steel truss girder segment along track girder and moved forward;Pass through The structure when handling hawser often increases 6-8 meters, just has positioning trolley support handling hawser, which, which is effectively offset, hangs The drag force to transporting beam trolley that hawser dead weight generates is transported, the dead weight of handling hawser is then eliminated and steel is transported to fortune beam trolley vertical shift The influence of trusses segment.

Description of the drawings

Fig. 1 is the structure diagram of the present invention;

Fig. 2 is the working state schematic representation of the present invention;

Fig. 3 is the structure diagram at the A of Fig. 1;

Fig. 4 is the structure diagram of device for fixing running tracks;

Fig. 5 is the working state schematic representation of device for fixing running tracks;

Fig. 6 is the structure diagram in the B directions of Fig. 3.

Label in attached drawing for:1- device for fixing running tracks, 2- handling apparatus, the upper shoulder pole girders of 3-, 4- reinforcing bars, shoulder pole under 5- Beam, 6- track girders, 7- bridge piers, 8- fortune beam trolleies, 9- positioning trolleys, 10- handling hawsers, 11- crossbeams, 12- hoist engines, 13- are moved Pulley blocks, 14- rail wheels, 15- rolling wheel supports, 16- fixed pulley stents, 17- fixed pulleys, 18- positioning rollers, 19- locating supports, 20- pin holes, 21- truss, 22- lower booms, 23- steel truss girder segments, 24- fortune beam rope cards, 25- positioning rope cards, 26- positioning pins, 27- Preceding vertical shift suspension centre, vertical shift suspension centre after 28-.

Specific embodiment

The present invention is further illustrated with reference to the accompanying drawings and examples, but be not intended as to the present invention limit according to According to.

Embodiment 1.A kind of vertical shift system of steel truss girder segment is formed as shown in figures 1 to 6, including device for fixing running tracks 1, rail 1 lower section of channel fixing device is equipped with handling apparatus 2;The device for fixing running tracks 1 includes upper shoulder pole girder 3, and upper shoulder pole girder 3 is through reinforcing bar 4 connect with lower shoulder pole girder 5, and lower 5 lower section of shoulder pole girder is equipped with track girder 6;The track girder 6 is connect with fortune beam trolley 8, and fortune beam is small Positioning trolley 9 is also associated on the track girder 6 at 8 rear of vehicle;The handling apparatus 2 is equipped with handling hawser 10.

Vertical shift method used in the vertical shift system of aforementioned steel truss girder segment is:

A, upper shoulder pole girder 3 and lower shoulder pole girder 5 are fixed on by reinforcing bar 4 on the lower boom 22 of truss 21, on handling apparatus 2 Handling hawser 10 pass through fortune beam trolley 8 with treating that the steel truss girder segment 23 of vertical shift is connect, later startup handling apparatus 2, steel truss girder Segment 23 along fortune beam trolley 8 vertical direction be lifted, after slinging, using fortune beam rope card 24 by across fortune beam trolley 8 handling Hawser 10 is clamped on fortune beam trolley 8;After clamping, fortune beam trolley 8 moves forward, and steel truss girder segment 23 is moved forward along track girder 6, hangs Shipping unit 2 discharges handling hawser 10 with the speed of advancement of fortune beam trolley 8;

B, when steel truss girder segment 23 move forward 6-8 meter after, positioning trolley 9 is mounted on track girder 6, and handling hawser 10 is blocked Enter in positioning trolley 9, handling hawser 10 be clamped on positioning trolley 9 using positioning rope card 25, after clamping, fortune beam trolley 8 after Continuous that steel truss girder segment 23 moves forward, positioning trolley 9 is also along the Forward synchronous with steel truss girder segment 23 of track girder 6;

C, steel truss girder segment 23 often move forward 6-8 meters when, step b operation is repeated, until 23 vertical shift of steel truss girder segment is to assembly Position;

D, after the completion of 23 assembly of steel truss girder segment, two fortune beam trolleies 8 return back to initial position, during rollback, handling apparatus 2 With the rollback speed recycling handling hawser 10 of fortune beam trolley 8, positioning trolley 9 also de-orbits beam 6 successively therewith at this time, to be positioned Trolley 9 is removed after being detached from successively and is deposited in predeterminated position, facilitates take next time.

Embodiment 2.A kind of vertical shift system of steel truss girder segment is formed as shown in figures 1 to 6, including device for fixing running tracks 1, rail 1 lower section of channel fixing device is equipped with handling apparatus 2;The device for fixing running tracks 1 includes upper shoulder pole girder 3, and upper shoulder pole girder 3 is through reinforcing bar 4 connect with lower shoulder pole girder 5, and lower 5 lower section of shoulder pole girder is equipped with track girder 6;The track girder 6 is connect with fortune beam trolley 8, and fortune beam is small Positioning trolley 9 is also associated on the track girder 6 at 8 rear of vehicle;The handling apparatus 2 includes crossbeam 11, and crossbeam 11 is equipped with volume Machine 12 is raised, hoist engine 12 is equipped with handling hawser 10;The handling hawser 10 passes through fortune beam trolley 8 to connect with running block 13 It connects.

Vertical shift method used in the vertical shift system of aforementioned steel truss girder segment is:

A, upper shoulder pole girder 3 and lower shoulder pole girder 5 are fixed on by reinforcing bar 4 on the lower boom 22 of truss 21, on hoist engine 12 Handling hawser 10 pass through fortune beam trolley 8 and by running block 13 with treating that the steel truss girder segment 23 of vertical shift is connect, start later Hoist engine 12, steel truss girder segment 23 is lifted along the vertical direction of fortune beam trolley 8, after slinging, will be passed through using fortune beam rope card 24 The handling hawser 10 of fortune beam trolley 8 is clamped on fortune beam trolley 8;After clamping, fortune beam trolley 8 moves forward along track girder 6, and by steel truss Girder segment 23 moves forward, and hoist engine 12 discharges handling hawser 10 with the speed of advancement of fortune beam trolley 8;

B, when steel truss girder segment 23 move forward 6-8 meter after, positioning trolley 9 is mounted on track girder 6, and handling hawser 10 is blocked Enter in positioning trolley 9, handling hawser 10 be clamped on positioning trolley 9 using positioning rope card 25, after clamping, fortune beam trolley 8 after Continuous that steel truss girder segment 23 moves forward, positioning trolley 9 is also along the Forward synchronous with steel truss girder segment 23 of track girder 6;

C, steel truss girder segment 23 often move forward 6-8 meters when, step b operation is repeated, until 23 vertical shift of steel truss girder segment is to assembly Position;

D, after the completion of 23 assembly of steel truss girder segment, two fortune beam trolleies 8 return back to initial position, during rollback, hoist engine 12 With the rollback speed recycling handling hawser 10 of fortune beam trolley 8, positioning trolley 9 also de-orbits beam 6 successively therewith at this time, to be positioned Trolley 9 is removed after being detached from successively and is deposited on crossbeam 11, facilitates take next time.

Embodiment 3.A kind of vertical shift system of steel truss girder segment is formed as shown in figures 1 to 6, including device for fixing running tracks 1, rail 1 lower section of channel fixing device is equipped with handling apparatus 2;The device for fixing running tracks 1 includes upper shoulder pole girder 3, and upper shoulder pole girder 3 is through reinforcing bar 4 connect with lower shoulder pole girder 5, and lower 5 lower section of shoulder pole girder is equipped with track girder 6;The track girder 6 is connect with fortune beam trolley 8, and fortune beam is small Positioning trolley 9 is also associated on the track girder 6 at 8 rear of vehicle;The handling apparatus 2 includes crossbeam 11, and crossbeam 11 is equipped with volume Machine 12 is raised, hoist engine 12 is equipped with handling hawser 10;The handling hawser 10 passes through fortune beam trolley 8 to connect with running block 13 It connects;The fortune beam trolley 8 includes rail wheel 14, and rail wheel 14 is connect with rolling wheel support 15, and it is fixed that 15 lower section of rolling wheel support is equipped with Pulley bracket 16, fixed pulley stent 16 are equipped with fixed pulley 17;The rail wheel 14 is connect with track girder 6.

Vertical shift method used in the vertical shift system of aforementioned steel truss girder segment is:

A, upper shoulder pole girder 3 and lower shoulder pole girder 5 are fixed on by reinforcing bar 4 on the lower boom 22 of truss 21, on hoist engine 12 Handling hawser 10 pass through fixed pulley 17 and by running block 13 with treating that the steel truss girder segment 23 of vertical shift is connect, later start roll up Machine 12 is raised, steel truss girder segment 23 is lifted along the vertical direction of fortune beam trolley 8, and after slinging, it is fixed to be passed through using fortune beam rope card 24 The handling hawser 10 of pulley 17 is clamped on fortune beam trolley 8;After clamping, the rail wheel 14 of fortune beam trolley 8 moves forward along track girder 6, Fortune beam trolley 8 is driven to move forward, and steel truss girder segment 23 is driven to move forward therewith, hoist engine 12 is released with the speed of advancement of fortune beam trolley 8 Put handling hawser 10;

B, when steel truss girder segment 23 move forward 6-8 meter after, positioning trolley 9 is mounted on track girder 6, and by handling hawser in pairs 10 are caught in positioning trolley 9, and handling hawser 10 is clamped on positioning trolley 9 using positioning rope card 25, after clamping, transport beam trolley 8 continue to move forward steel truss girder segment 23, and positioning trolley 9 is also along the Forward synchronous with steel truss girder segment 23 of track girder 6;

C, steel truss girder segment 23 often move forward 6-8 meters when, step b operation is repeated, until 23 vertical shift of steel truss girder segment is to assembly Position;

D, after the completion of 23 assembly of steel truss girder segment, two fortune beam trolleies 8 return back to initial position, during rollback, hoist engine 12 With the rollback speed recycling handling hawser 10 of fortune beam trolley 8, positioning trolley 9 also de-orbits beam 6 successively therewith at this time, to be positioned Trolley 9 is removed after being detached from successively and is deposited on crossbeam 11, facilitates take next time.

Embodiment 4.A kind of vertical shift system of steel truss girder segment is formed as shown in figures 1 to 6, including device for fixing running tracks 1, rail 1 lower section of channel fixing device is equipped with handling apparatus 2;The device for fixing running tracks 1 includes upper shoulder pole girder 3, and upper shoulder pole girder 3 is through reinforcing bar 4 connect with lower shoulder pole girder 5, and lower 5 lower section of shoulder pole girder is welded with track girder 6;The track girder 6 is connect with fortune beam trolley 8, transports beam Positioning trolley 9 is also associated on the track girder 6 at 8 rear of trolley;The handling apparatus 2 includes crossbeam 11, and crossbeam 11 is equipped with Hoist engine 12, hoist engine 12 are equipped with handling hawser 10;The handling hawser 10 passes through fortune beam trolley 8 to connect with running block 13 It connects;The fortune beam trolley 8 includes rail wheel 14, and rail wheel 14 is connect with rolling wheel support 15, and it is fixed that 15 lower section of rolling wheel support is equipped with Pulley bracket 16, fixed pulley stent 16 are equipped with fixed pulley 17;The rail wheel 14 is connect with track girder 6;The positioning Trolley 9 includes positioning roller 18, and positioning roller 18 is connect with locating support 19, and 19 lower section of locating support is equipped with pin hole 20;It is described Positioning roller 18 connect with track girder 6.

Vertical shift method used in the vertical shift system of aforementioned steel truss girder segment is:

A, upper shoulder pole girder 3 and lower shoulder pole girder 5 are fixed on truss 21 by reinforcing bar 4 (truss 21 is by several steel truss girder segments 23 splice simultaneously be fixed on bridge pier 29) lower boom 22 on, two handling hawsers 10 on hoist engine 12 are each passed through Liang Yunliang The preceding vertical shift suspension centre 27 on the steel truss girder segment 23 of fixed pulley 17 and the corresponding running block 13 of process with treating vertical shift on trolley 8 (it is more effortless to lift by crane steel truss girder segment 23 by 13 hoist engine 12 of running block) is connected with rear vertical shift suspension centre 28, is started later Hoist engine 12, steel truss girder segment 23 is lifted along the vertical direction of two fortune beam trolleies 8, after slinging, will be worn using fortune beam rope card 24 The handling hawser 10 for crossing fixed pulley 17 is clamped on corresponding fortune beam trolley 8 (which makes hoist engine 12 without holding force);Clamping Afterwards, the rail wheel 14 of two fortune beam trolleies 8 is synchronized along track girder 6 moves forward, and two fortune beam trolleies 8 is driven to synchronize Forward, and drive therewith Steel truss girder segment 23 moves forward, and hoist engine 12 discharges corresponding handling hawser 10 with the speed of advancement of two fortune beam trolleies 8;

B, when steel truss girder segment 23 move forward 6-8 meter after, by positioning trolley 9 in couples be mounted in track girder 6 on, later by handling Hawser 10 is put between the locating support 19 of two positioning trolleys 9, and is inserted into the pin hole 20 on locating support 19 using positioning pin 26 Handling hawser 10 is fixed, after fixed, between handling hawser 10 is clamped on two locating supports 19 using positioning rope card 25, clamping Afterwards, fortune beam trolley 8 continues to move forward steel truss girder segment 23, and pairs of positioning trolley 9 is also same along track girder 6 and steel truss girder segment 23 Step Forward;

C, steel truss girder segment 23 often move forward 6-8 meters when, step b operation is repeated, until 23 vertical shift of steel truss girder segment is to assembly Position;

D, after the completion of 23 assembly of steel truss girder segment, two fortune beam trolleies 8 return back to initial position, during rollback, hoist engine 12 Corresponding handling hawser 10 is recycled with the rollback speed of fortune beam trolley 8, positioning trolley 9 pairs of at this time is also detached from rail successively therewith Road beam 6 after trolley 9 to be positioned is detached from successively, unloads positioning rope card 25, removes positioning pin 26, be separated from each other two positioning trolleys 9 And handling hawser 10 is detached from, the positioning trolley 9 being separated from each other is removed be deposited on crossbeam 11 later, facilitate take next time.

Aforementioned reinforcing bar 4 is finish rolling deformed bar.

Aforementioned crossbeam 11 is placed on bridge pier 7.

Aforementioned handling hawser 10 is flexible steel wire.

Claims (8)

1. a kind of vertical shift system of steel truss girder segment, it is characterised in that:Including device for fixing running tracks(1), device for fixing running tracks(1) Lower section is equipped with handling apparatus(2);The device for fixing running tracks(1)Including upper shoulder pole girder(3), upper shoulder pole girder(3)Through reinforcing bar(4) With lower shoulder pole girder(5)Connection, lower shoulder pole girder(5)Lower section is equipped with track girder(6);The track girder(6)With transporting beam trolley(8)Even It connects, transports beam trolley(8)The track girder at rear(6)On be also associated with positioning trolley(9);The handling apparatus(2)It is equipped with and hangs Transport hawser(10).
2. the vertical shift system of steel truss girder segment according to claim 1, it is characterised in that:The handling apparatus(2)Packet Include crossbeam(11), crossbeam(11)It is equipped with hoist engine(12), hoist engine(12)It is equipped with handling hawser(10);The handling cable Rope(10)Across fortune beam trolley(8)With running block(13)Connection.
3. the vertical shift system of steel truss girder segment according to claim 1 or 2, it is characterised in that:The fortune beam trolley(8) Including rail wheel(14), rail wheel(14)With rolling wheel support(15)Connection, rolling wheel support(15)Lower section is equipped with fixed pulley stent (16), fixed pulley stent(16)It is equipped with fixed pulley(17);The rail wheel(14)With track girder(6)Connection.
4. the vertical shift system of steel truss girder segment according to claim 1 or 2, it is characterised in that:The positioning trolley(9) Including positioning roller(18), positioning roller(18)With locating support(19)Connection, locating support(19)Lower section is equipped with pin hole(20); The positioning roller(18)With track girder(6)Connection.
5. a kind of vertical shift method as used in the vertical shift system of claim 1-4 any one of them steel truss girder segments, feature It is:Vertical shift as follows,
A, by upper shoulder pole girder(3)With lower shoulder pole girder(5)Pass through reinforcing bar(4)It is fixed on truss(21)Lower boom(22)On, handling Device(2)On handling hawser(10)Across fortune beam trolley(8)Steel truss girder segment with treating vertical shift(23)Connection starts hang later Shipping unit(2), steel truss girder segment(23)Along fortune beam trolley(8)Vertical direction be lifted, after slinging, use fortune beam rope card(24) Fortune beam trolley will be passed through(8)Handling hawser(10)It is clamped on fortune beam trolley(8)On;After clamping, beam trolley is transported(8)Along track girder (6)Forward, and by steel truss girder segment(23)Forward, handling apparatus(2)With fortune beam trolley(8)Speed of advancement release handling hawser (10);
B, when steel truss girder segment(23)After 6-8 meters of Forward, by positioning trolley(9)Mounted in track girder(6)On, and by handling hawser (10)It is caught in positioning trolley(9)In, use positioning rope card(25)By handling hawser(10)It is clamped on positioning trolley(9)On, clamping Afterwards, beam trolley is transported(8)Continue steel truss girder segment(23)Forward, positioning trolley(9)Also along track girder(6)With steel truss girder segment (23)Synchronous Forward;
C, steel truss girder segment(23)Often move forward 6-8 meter when, step b operation is repeated, up to steel truss girder segment(23)Vertical shift is to assembly Position;
D, when steel truss girder segment(23)After the completion of assembly, two fortune beam trolleies(8)It return back to initial position, during rollback, handling apparatus (2)With fortune beam trolley(8)Rollback speed recycling handling hawser(10), positioning trolley at this time(9)Also it de-orbits successively therewith Beam(6), trolley to be positioned(9)It is removed after being detached from successively and is deposited in predeterminated position, facilitate take next time.
6. the vertical shift method used in the vertical shift system of steel truss girder segment as claimed in claim 5, it is characterised in that:The step Rapid a is, by upper shoulder pole girder(3)With lower shoulder pole girder(5)Pass through reinforcing bar(4)It is fixed on truss(21)Lower boom(22)On, elevator Machine(12)On handling hawser(10)Across fortune beam trolley(8)And by running block(13)Steel truss girder segment with treating vertical shift (23)Connection, starts hoist engine later(12), steel truss girder segment(23)Along fortune beam trolley(8)Vertical direction be lifted, sling Afterwards, using fortune beam rope card(24)Fortune beam trolley will be passed through(8)Handling hawser(10)It is clamped on fortune beam trolley(8)On;After clamping, Transport beam trolley(8)Along track girder(6)Forward, and by steel truss girder segment(23)Forward, hoist engine(12)With fortune beam trolley(8)Before Move speed release handling hawser(10);
The step d is, when steel truss girder segment(23)After the completion of assembly, two fortune beam trolleies(8)Initial position is return back to, is retracted When, hoist engine(12)With fortune beam trolley(8)Rollback speed recycling handling hawser(10), positioning trolley at this time(9)Also therewith according to The secondary beam that de-orbits(6), trolley to be positioned(9)It is removed after being detached from successively and is deposited in crossbeam(11)On, facilitate take next time.
7. the vertical shift method used in the vertical shift system of steel truss girder segment as claimed in claim 6, it is characterised in that:The step Rapid a is, by upper shoulder pole girder(3)With lower shoulder pole girder(5)Pass through reinforcing bar(4)It is fixed on truss(21)Lower boom(22)On, elevator Machine(12)On handling hawser(10)Across fixed pulley(17)And by running block(13)Steel truss girder segment with treating vertical shift (23)Connection, starts hoist engine later(12), steel truss girder segment(23)Along fortune beam trolley(8)Vertical direction be lifted, sling Afterwards, using fortune beam rope card(24)Fixed pulley will be passed through(17)Handling hawser(10)It is clamped on fortune beam trolley(8)On;After clamping, Transport beam trolley(8)Rail wheel(14)Along track girder(6)Forward drives fortune beam trolley(8)Forward, and steel truss girder section is driven therewith Section(23)Forward, hoist engine(12)With fortune beam trolley(8)Speed of advancement release handling hawser(10).
8. the vertical shift method used in the vertical shift system of steel truss girder segment as claimed in claim 7, it is characterised in that:The step Rapid b is, when steel truss girder segment(23)After 6-8 meters of Forward, by positioning trolley(9)It is mounted in track girder in pairs(6)On, later by handling Hawser(10)It is put into two positioning trolleys(9)Locating support(19)Between, and use positioning pin(26)It is inserted into locating support(19)On Pin hole(20)It is middle by handling hawser(10)It is fixed, after fixed, use positioning rope card(25)By handling hawser(10)It is clamped on two Locating support(19)Between, after clamping, transport beam trolley(8)Continue steel truss girder segment(23)Forward, positioning trolley(9)Also along track Beam(6)With steel truss girder segment(23)Synchronous Forward;
The step d is, when steel truss girder segment(23)After the completion of assembly, two fortune beam trolleies(8)Initial position is return back to, is retracted When, hoist engine(12)With fortune beam trolley(8)Rollback speed recycling handling hawser(10), pairs of at this time positioning trolley(9) De-orbit beam successively therewith(6), trolley to be positioned(9)After being detached from successively, positioning rope card is unloaded(25), remove positioning pin (26), make two positioning trolleys(9)It is separated from each other and is detached from handling hawser(10), the positioning trolley that will be separated from each other later(9)It takes Under be deposited in crossbeam(11)On.
CN201510564111.XA 2015-09-08 2015-09-08 A kind of vertical shift system of steel truss girder segment and vertical shift method CN105220621B (en)

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JPH0841826A (en) * 1994-07-29 1996-02-13 Shimizu Corp Erection method of bridge and equipment thereof and main girder unit
CN1162669A (en) * 1996-02-16 1997-10-22 川田工业株式会社 Method for erecting truss of bridge
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CN201962607U (en) * 2010-12-28 2011-09-07 海波重型工程科技股份有限公司 Movable elevating device for hoisting elevated bridge cantilever arm
CN203498755U (en) * 2013-08-12 2014-03-26 中交第二航务工程局有限公司 Longitudinal sliding, traction and support device for steel box girder placed on bracket
CN104195952A (en) * 2014-08-20 2014-12-10 中铁四局集团第二工程有限公司 Steel box girder erection method applied to steel and concrete hybrid girder cable-stayed bridge
CN104762882A (en) * 2015-04-16 2015-07-08 天津城建大学 Bridge segment lifting device and method
CN204982682U (en) * 2015-09-08 2016-01-20 贵州省公路工程集团有限公司 System that moves from north to south of steel purlin girder segment section

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0841826A (en) * 1994-07-29 1996-02-13 Shimizu Corp Erection method of bridge and equipment thereof and main girder unit
CN1162669A (en) * 1996-02-16 1997-10-22 川田工业株式会社 Method for erecting truss of bridge
RU2381326C1 (en) * 2008-11-14 2010-02-10 Открытое акционерное общество по проектированию строительства мостов "Институт Гипростроймост" Device for lifting and erecting units of superstructure
CN201962607U (en) * 2010-12-28 2011-09-07 海波重型工程科技股份有限公司 Movable elevating device for hoisting elevated bridge cantilever arm
CN203498755U (en) * 2013-08-12 2014-03-26 中交第二航务工程局有限公司 Longitudinal sliding, traction and support device for steel box girder placed on bracket
CN104195952A (en) * 2014-08-20 2014-12-10 中铁四局集团第二工程有限公司 Steel box girder erection method applied to steel and concrete hybrid girder cable-stayed bridge
CN104762882A (en) * 2015-04-16 2015-07-08 天津城建大学 Bridge segment lifting device and method
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