CN101864736A - Full-span bridge erection machine for box girder passing through tunnels on passenger dedicated line - Google Patents
Full-span bridge erection machine for box girder passing through tunnels on passenger dedicated line Download PDFInfo
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- CN101864736A CN101864736A CN 201010159247 CN201010159247A CN101864736A CN 101864736 A CN101864736 A CN 101864736A CN 201010159247 CN201010159247 CN 201010159247 CN 201010159247 A CN201010159247 A CN 201010159247A CN 101864736 A CN101864736 A CN 101864736A
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Abstract
The invention belongs to the field of bridging equipment, in particular to a full-span bridge erection machine for a box girder passing through tunnels on a passenger dedicated line. The full-span bridge erection machine comprises a main longitudinal girder assembly and a lower guide beam assembly which is suspended below the main longitudinal girder assembly; the front part of the main longitudinal girder assembly is provided with a front leg assembly, the rear part of the main longitudinal girder assembly is provided with a rear leg assembly, and the rear part of the main longitudinal girder assembly, which is at the outside of the rear leg assembly, is provided with a C-type leg assembly; an auxiliary leg assembly and a lower guide beam crane assembly are arranged between the main longitudinal girder assembly and the lower guide beam assembly; a hoisting trolley assembly and a winding gear connected with the hoisting trolley assembly are arranged on the main longitudinal girder assembly; the front end of the main longitudinal girder assembly is provided with an auxiliary trolley assembly which moves longitudinally along the main longitudinal girder assembly; and by means of simple disassembly, the bridge erection machine can pass through the channel under the condition of being packed by a girder carrier, and successfully puts guide beams to proper positions at a portal; and the bridge erection machine can be rapidly arranged at the proper position and achieves the bridging state.
Description
Technical field
The invention belongs to the bridging equipment field, be specifically related to a kind of Line for Passenger Transportation span bridge erection machine for box girder passing through tunnels.
Background technology
In recent years, China's high ferro cause fast development, various bridge formation machine equipments are constantly released, and have promoted high ferro cause height degree, high-quality development.The tunnel when conveying-erecting machine passes through tunnel fortune beam, must make its complete machine that certain running space is arranged in the useful cross section in tunnel as laying the most important link of high ferro.Yet in area, southwestern mountain area, owing to be subjected to the restriction of geographical conditions, it is many tunnel to have occurred, and the cross section, tunnel is little, and abutment is situation such as near apart from the tunnel face, is unfavorable for setting up of the machine of building bridge.At this situation, my company has designed a kind of tunnel bridge formation machine of crossing.
Summary of the invention
The objective of the invention is to overcome deficiency of the prior art and provide a kind of installation quick and convenient Line for Passenger Transportation span bridge erection machine for box girder passing through tunnels.
The object of the present invention is achieved like this: comprise the main longitudinal grider assembly, be suspended on the following nose girder assembly of main longitudinal grider assembly below, be provided with the front leg strut assembly in the front portion of main longitudinal grider assembly, be provided with the rear support leg assembly at the rear portion of main longitudinal grider assembly, be provided with C type leg assembly at the main longitudinal grider assembly rear portion in the rear support leg assembly outside simultaneously, between main longitudinal grider assembly and following nose girder assembly, be provided with auxiliary supporting leg assembly and following nose girder loop wheel machine assembly, the main longitudinal grider assembly is provided with lifting dolly assembly, the hoisting mechanism that is connected with lifting dolly assembly is provided with the accessory cart assembly that vertically moves along the main longitudinal grider assembly at the front end of main longitudinal grider assembly.
Described main longitudinal grider assembly is made up of girder, semi girder, front beam, middle cross beam, rear cross beam, and wherein semi girder is arranged on the girder front end, and front beam is arranged on the semi girder front end, and middle cross beam is arranged between semi girder and the girder, and rear cross beam is arranged on main beam rear end; Girder and semi girder are formed by connecting steel plate by girder junction plate and high-strength bolt, and the main longitudinal grider assembly integral is a box structure.
C type leg assembly is saved down by joint and C type leg on the C type leg to be formed, wherein joint is connected with the main longitudinal grider assembly by bearing pin on the C type leg, this C type leg rotates around bearing pin, saves on bearing pin and C type leg simultaneously and is provided with bolt hole, saves on bearing pin and the C type leg and fixedlys connected with connecting bolt by this bolt hole; The bottom of saving on the C type leg is saved down with C type leg by clamp and is connected; The C type leg bottom of joint down is provided with the C type leg running mechanism that slides along the case beam orbit, and the C type leg running mechanism outside of joint bottom also is provided with oil cylinder under C type leg simultaneously, and this oil cylinder is fixedlyed connected with C type leg running mechanism by connector.
The rear end of described main longitudinal grider assembly is set with crossbeam, and the rear support leg assembly is hinged by dowel hole and pin axle and crossbeam, and the rear support leg assembly is rotated around this bearing pin; The rear support leg assembly is saved down by joint and rear support leg on the rear support leg to be formed, wherein joint and rear support leg save hinged by the folding free bearing that has folder fin down on the rear support leg, rear support leg joint down rotates around this folder fin, simultaneously joint and rear support leg are provided with bolt hole on the joint down on the rear support leg, save under joint and the rear support leg on the rear support leg to be connected with bolt by this bolt hole; Be provided with by oil cylinder ear seat between lower end of saving on the rear support leg and the crossbeam and tiltedly draw hydraulic pressure to support, the rear support leg assembly supports folding by tiltedly drawing hydraulic pressure; The lower end snail that rear support leg saves down ties and is connected to the free bearing that is fixedly installed on the cushion block.
The front leg strut assembly is made up of top rail, middle cross beam, front leg strut canned paragraph, front leg strut folded section, running mechanism, and wherein top rail and main longitudinal grider assembly are hinged, and the front leg strut assembly is upwards turned up the back along the girder direction around interface point; Running mechanism is fixedly installed on the top rail, the top rail lower surface is connected with front leg strut canned paragraph bolt, between the front leg strut canned paragraph, be set with middle cross beam, front leg strut canned paragraph and front leg strut folded section are hinged by the folding free bearing that has folder fin, the front leg strut folded section is upwards turned up around folder fin, be provided with bolt hole on front leg strut canned paragraph and the front leg strut folded section simultaneously, the front leg strut canned paragraph is connected with bolt by this bolt hole with the front leg strut folded section; Front leg strut canned paragraph and front leg strut folded section are formed by inner guiding post and the outer guiding post that is sleeved on the inner guiding post outside; On the front leg strut canned paragraph, also be provided with front leg strut cat ladder platform assembly.
Described nose girder assembly down is arranged on the bottom of main longitudinal grider assembly by auxiliary supporting leg assembly and following nose girder loop wheel machine assembly, the front-end and back-end of following nose girder assembly are respectively arranged with down nose girder front leg strut and lower nose girder rear support leg, are hinged with the rear support leg diagonal brace between lower nose girder rear support leg and following nose girder;
Should auxiliary supporting leg assembly by movable sleeve, auxiliary supporting leg top rail, auxiliary supporting leg column, auxiliary supporting leg lower transverse beam, go up walking mechanism, walking mechanism, jacking cylinder are formed down, wherein middle part, the upper surface of auxiliary supporting leg top rail is provided with movable sleeve by clamp, jacking cylinder on clamp and the auxiliary supporting leg top rail is bolted to connection, and movable sleeve moves up and down by jacking cylinder; Be provided with pin shaft hole on movable sleeve and the auxiliary supporting leg column, movable sleeve and auxiliary supporting leg column flexibly connect by this pin shaft hole and bearing pin, fixedly connected with auxiliary supporting leg lower transverse beam by bolt in the bottom of auxiliary supporting leg column, fixedly connected with following walking mechanism by bolt in the bottom of auxiliary supporting leg lower transverse beam, walking mechanism was rolled with following nose girder assembly and is connected under auxiliary supporting leg assembly passed through; The two ends of auxiliary supporting leg top rail are set with walking mechanism, and auxiliary supporting leg assembly rolls with the main longitudinal grider assembly by last walking mechanism and is connected;
This time nose girder loop wheel machine assembly is by frame, transition segment, walking mechanism, guide wheel mechanism, horizontal support arms, oil cylinder, link rod, transverse-moving mechanism, pumping plant is formed, its mid frame is across on main longitudinal grider assembly top, and pass through transition segment, rolling is connected with the main longitudinal grider assembly with the bolted walking mechanism of transition segment, between the end of frame and main longitudinal grider assembly, be provided with guide wheel mechanism, the end of frame is connected with an end of horizontal support arms by hinged mode, the other end of this horizontal support arms is provided with the slip groove, the slip groove is provided with transverse-moving mechanism, this transverse-moving mechanism is hinged with the oil cylinder that vertically is provided with by hinged mode, and transverse-moving mechanism drives oil cylinder and carries out traversing in the slip groove; Oil cylinder drives down by the link rod that is hinged on its lower end, and the nose girder assembly moves up and down; Be hinged with oblique drawbar between described horizontal support arms and the frame; Also be provided with pumping plant in frame, whole nose girder loop wheel machine assembly down adopts symmetrical structure.
The described following walking mechanism that is arranged on the auxiliary supporting leg assembly is made up of balanced wheels, connecting rod, traveling wheels, chain driving assembly, coupling seat, walker, core disc mechanism, wherein the accessory cart assembly totally is a symmetrical structure, balanced wheels are fixedly installed on the lower end of connecting rod by bearing pin, connecting rod be arranged on coupling seat on and interconnective traveling wheels and chain drive assembly and be connected, coupling seat is connected with the walker bolt, walker is connected with core disc mechanism bolt, and the core disc mechanism is connected with auxiliary supporting leg lower transverse beam bolt.
Described accessory cart assembly is by the accessory cart walking mechanism, the accessory cart main car frame, the transverse-moving mechanism assembly, the suspension rod tie-beam, the accessory cart lift oil tank, the accessory cart sideslip oil cylinder, driving mechanism, the sideslip oil cylinder bearing, suspension rod and spreader assembly are formed, wherein the accessory cart walking mechanism is fixedly installed on accessory cart main car frame transverse ends, the accessory cart assembly rolls with the main longitudinal grider assembly by the accessory cart walking mechanism and is connected, be provided with the suspension rod tie-beam of level by two accessory cart lift oil tanks in the centre position of accessory cart main car frame, two ends at the suspension rod tie-beam are set with two suspension rods by bearing pin, simultaneously between two suspension rods, also be provided with the transverse-moving mechanism assembly, between transverse-moving mechanism assembly and accessory cart main car frame, be provided with the accessory cart sideslip oil cylinder by the sideslip oil cylinder bearing by bearing pin; The lower end of suspension rod is provided with the spreader assembly of fixedlying connected with following nose girder assembly by bolt.
Described lifting dolly assembly is by frame assembly, lifting assembly, hydraulic pushing mechanism, the oil cylinder guide rail, traversing dolly, sideslip oil cylinder, guiding device, directive wheel, slide block is formed, wherein frame assembly by being arranged on its two ends slide block and the oil cylinder guide rail across in main longitudinal grider assembly both sides, frame assembly also is connected with the main longitudinal grider assembly by guiding device simultaneously, on frame assembly, be provided with traversing dolly by the directive wheel rolling, be hinged with sideslip oil cylinder between traversing dolly and the frame assembly, traversing dolly is traversing by sideslip oil cylinder, be hinged with hydraulic pushing mechanism between frame assembly and the main longitudinal grider assembly, frame assembly slides along the main longitudinal grider direction by hydraulic pushing mechanism, and traversing dolly links by chain and lifting assembly.
The present invention has following advantage: the bridge formation machine just can pass through tunnel under the packing of Beam transportation vehicle through simple dismounting, and arriving the tunnel face can be in place nose girder smoothly, and can be very fast the bridge formation machine is in place, make the bridge formation machine reach the bridge formation state.
Description of drawings
Fig. 1 is a structural representation of the present invention.
Fig. 2 is the front view of main longitudinal grider assembly.
Fig. 3 is the vertical view of main longitudinal grider assembly.
Fig. 4 is the structural representation of C type leg assembly.
Fig. 5 is the side-looking structural representation of C type leg assembly.
Fig. 6 is the structural representation of rear support leg assembly.
Fig. 7 is the side-looking structural representation of rear support leg assembly.
Fig. 8 is the structural representation of front leg strut assembly.
Fig. 9 is the side-looking structural representation of front leg strut assembly.
Figure 10 is the structural representation of following nose girder assembly.
Figure 11 is the structural representation of auxiliary supporting leg assembly.
Figure 12 is the side-looking structural representation of auxiliary supporting leg assembly.
Figure 13 is following nose girder loop wheel machine assembly structure schematic diagram.
Figure 14 is the side-looking structural representation of following nose girder loop wheel machine assembly.
Figure 15 is the following walking mechanism structure schematic diagram on the auxiliary supporting leg assembly.
Figure 16 is the side-looking structural representation of the following walking mechanism structure on the auxiliary supporting leg assembly.
Figure 17 is the structural representation of accessory cart assembly.
Figure 18 is the side-looking structural representation of accessory cart assembly.
Figure 19 is the structural representation of lifting dolly.
Figure 20 is the side-looking structural representation of lifting dolly.
Figure 21 is the vertical view of lifting dolly.
The specific embodiment
As shown in Figure 1, the present invention includes main longitudinal grider assembly 1, be suspended on the following nose girder assembly 2 of main longitudinal grider assembly 1 below, be provided with front leg strut assembly 4 in the front portion of main longitudinal grider assembly 1, be provided with rear support leg assembly 3 at the rear portion of main longitudinal grider assembly 1, simultaneously be provided with C type leg assembly 5 at main longitudinal grider assembly 1 rear portion in rear support leg assembly 3 outsides, between main longitudinal grider assembly 1 and following nose girder assembly 2, be provided with auxiliary supporting leg assembly 6 and following nose girder loop wheel machine assembly 7, main longitudinal grider assembly 1 is provided with lifting dolly assembly 8, the hoisting mechanism 10 that is connected with lifting dolly assembly 8 is provided with the accessory cart assembly 9 that vertically moves along main longitudinal grider assembly 1 at the front end of main longitudinal grider assembly 1.
Shown in Fig. 2,3, described main longitudinal grider assembly 1 is made up of girder 1-1, semi girder 1-2, front beam 1-3, middle cross beam 1-4, rear cross beam 1-5, wherein semi girder 1-2 is arranged on girder 1-1 front end, front beam 1-3 is arranged on semi girder 1-2 front end, middle cross beam 1-4 is arranged between semi girder 1-2 and the girder 1-1, and rear cross beam 1-5 is arranged on girder 1-1 rear end; Girder 1-1 and semi girder 1-2 are formed by connecting steel plate by girder junction plate 1-6 and high-strength bolt, and main longitudinal grider assembly 1 integral body is box structure.
Shown in Fig. 4,5, C type leg assembly 5 saves 5-2 down by joint 5-1 and C type leg on the C type leg and forms, wherein joint 5-1 is connected with main longitudinal grider assembly 1 by bearing pin 5-3 on the C type leg, this C type leg 5 rotates around bearing pin 5-3, simultaneously be provided with bolt hole on the joint 5-1 on bearing pin 5-3 and the C type leg, joint 5-1 is fixedlyed connected with connecting bolt by this bolt hole on bearing pin 5-3 and the C type leg; The bottom of joint 5-1 is connected with joint 5-2 under the C type leg by clamp 5-4 on the C type leg; The C type leg bottom of joint 5-2 down is provided with the C type leg running mechanism 5-5 that slides along the case beam orbit, the C type leg running mechanism 5-5 outside of joint 5-2 bottom also is provided with oil cylinder 5-6 under C type leg simultaneously, and this oil cylinder 5-6 is fixedlyed connected with C type leg running mechanism 5-5 by connector 5-7.
Shown in Fig. 6,7, the rear end of described main longitudinal grider assembly 1 is set with crossbeam 11, and rear support leg assembly 3 is hinged by dowel hole and pin axle and crossbeam 11, and rear support leg assembly 3 is rotated around this bearing pin; Rear support leg assembly 3 saves 3-2 down by joint 3-1 and rear support leg on the rear support leg and forms, it is hinged by the folding free bearing 3-3 that has folder fin wherein to save 3-2 on the rear support leg under joint 3-1 and the rear support leg, rear support leg joint 3-2 down rotates around this folder fin, simultaneously joint 3-1 and rear support leg are provided with bolt hole on the joint 3-2 down on the rear support leg, on the rear support leg joint 3-1 and rear support leg down joint 3-2 be connected with bolt by this bolt hole; Be provided with by oil cylinder ear seat 12 between the joint lower end of 3-1 and the crossbeam 11 on the rear support leg and tiltedly draw hydraulic pressure to support 13, rear support leg assembly 3 supports 13 foldings by tiltedly drawing hydraulic pressure; The lower end snail of joint 3-2 ties and is connected to the free bearing 3-4 that is fixedly installed on the cushion block 3-5 under the rear support leg.
Shown in Fig. 8,9, front leg strut assembly 4 is made up of top rail 4-1, middle cross beam 4-2, front leg strut canned paragraph 4-3, front leg strut folded section 4-4, running mechanism 4-5, wherein top rail 4-1 and main longitudinal grider assembly 1 are hinged, and front leg strut assembly 4 is upwards turned up the back along the girder direction around interface point; Running mechanism 4-5 is fixedly installed on the top rail 4-1, top rail 4-1 lower surface is connected with front leg strut canned paragraph 4-3 bolt, between front leg strut canned paragraph 4-3, be set with middle cross beam 4-2, front leg strut canned paragraph 4-3 and front leg strut folded section 4-4 are hinged by the folding free bearing that has folder fin 4-6, the front leg strut folded section is upwards turned up around folder fin 4-6, be provided with bolt hole on front leg strut canned paragraph 4-3 and the front leg strut folded section 4-4 simultaneously, front leg strut canned paragraph 4-3 is connected with bolt by this bolt hole with front leg strut folded section 4-4; Front leg strut canned paragraph 4-3 and front leg strut folded section 4-4 form by inner guiding post 4-7 and the outer guiding post 4-8 that is sleeved on inner guiding post 4-7 outside; On front leg strut canned paragraph 4-3, also be provided with front leg strut cat ladder platform assembly 4-9.
Shown in Figure 10,11,12,13,14, described nose girder assembly 2 down is arranged on the bottom of main longitudinal grider assembly 1 by auxiliary supporting leg assembly 6 and following nose girder loop wheel machine assembly 7, the front-end and back-end of following nose girder assembly 2 are respectively arranged with down nose girder front leg strut 2-1 and lower nose girder rear support leg 2-2, are hinged with rear support leg diagonal brace 2-3 between lower nose girder rear support leg and following nose girder;
Should auxiliary supporting leg assembly 6 by movable sleeve 6-1, auxiliary supporting leg top rail 6-2, auxiliary supporting leg column 6-3, auxiliary supporting leg lower transverse beam 6-4, go up walking mechanism 6-5, walking mechanism 6-6, jacking cylinder 6-10 form down, wherein middle part, the upper surface of auxiliary supporting leg top rail 6-2 is provided with movable sleeve 6-1 by clamp 6-7, jacking cylinder 6-10 on clamp 6-7 and the auxiliary supporting leg top rail 6-2 is bolted to connection, and movable sleeve 6-1 moves up and down by jacking cylinder 6-10; Be provided with pin shaft hole 6-8 on movable sleeve 6-1 and the auxiliary supporting leg column 6-3, movable sleeve 6-1 and auxiliary supporting leg column 6-3 flexibly connect by this pin shaft hole 6-8 and bearing pin 6-9, fixedly connected with auxiliary supporting leg lower transverse beam 6-4 by bolt in the bottom of auxiliary supporting leg column 6-3, fixedly connected with following walking mechanism 6-6 by bolt in the bottom of auxiliary supporting leg lower transverse beam 6-4, walking mechanism 6-6 rolled with following nose girder assembly 2 and is connected under auxiliary supporting leg assembly 6 passed through; The two ends of auxiliary supporting leg top rail 6-2 are set with walking mechanism 6-5, and auxiliary supporting leg assembly 6 rolls with main longitudinal grider assembly 1 by last walking mechanism 6-5 and is connected;
This time nose girder loop wheel machine assembly 7 is by frame 7-1, transition segment 7-2, walking mechanism 7-3, guide wheel mechanism 7-4, horizontal support arms 7-5, oil cylinder 7-6, link rod 7-7, transverse-moving mechanism 7-8, pumping plant 7-9 forms, its mid frame 7-1 is across on main longitudinal grider assembly 1 top, and by transition segment 7-2,1 rolling is connected with the main longitudinal grider assembly with the bolted walking mechanism 7-3 of transition segment 7-2, between the end of frame 7-1 and main longitudinal grider assembly 1, be provided with guide wheel mechanism 7-4, the end of frame 7-1 is connected with the end of horizontal support arms 7-5 by hinged mode, the other end of this horizontal support arms 7-5 is provided with slip groove 7-10, slip groove 7-10 is provided with transverse-moving mechanism 7-8, this transverse-moving mechanism 7-8 is hinged with the oil cylinder 7-6 that vertically is provided with by hinged mode, and transverse-moving mechanism 7-8 drives oil cylinder 7-6 and carries out traversing in the slip groove; Oil cylinder 7-6 drives down by the link rod 7-7 that is hinged on its lower end, and nose girder assembly 2 moves up and down; Be hinged with oblique drawbar 7-11 between described horizontal support arms 7-5 and the frame 7-1; Also be provided with pumping plant 7-9 at frame 7-1, whole nose girder loop wheel machine assembly down adopts symmetrical structure.
As Figure 15, shown in 16, describedly be arranged on following walking mechanism 6-6 on the auxiliary supporting leg assembly 6 by balanced wheels 6-6-1, connecting rod 6-6-2, traveling wheels 6-6-3, chain drives assembly 6-6-4, coupling seat 6-6-5, walker 6-6-6, core disc mechanism 6-6-7 forms, wherein the accessory cart assembly totally is a symmetrical structure, balanced wheels 6-6-1 is fixedly installed on the lower end of connecting rod 6-6-2 by bearing pin, connecting rod 6-6-2 be arranged on that coupling seat 6-6-5 goes up and interconnective traveling wheels 6-6-3 drives assembly 6-6-4 with chain and is connected, coupling seat 6-6-5 is connected with walker 6-6-6 bolt, walker 6-6-6 is connected with core disc mechanism 6-6-7 bolt, and core disc mechanism 6-6-7 is connected with auxiliary supporting leg lower transverse beam 6-4 bolt.
As Figure 17, shown in 18, described accessory cart assembly 9 is by accessory cart walking mechanism 9-1, accessory cart main car frame 9-2, transverse-moving mechanism assembly 9-3, suspension rod tie-beam 9-4, accessory cart lift oil tank 9-5, accessory cart sideslip oil cylinder 9-6, driving mechanism 9-7, sideslip oil cylinder bearing 9-8, suspension rod 9-9 and spreader assembly 9-10 form, wherein accessory cart walking mechanism 9-1 is fixedly installed on accessory cart main car frame 9-2 transverse ends, accessory cart assembly 9 rolls with main longitudinal grider assembly 1 by accessory cart walking mechanism 9-1 and is connected, be provided with the suspension rod tie-beam 9-4 of level by two accessory cart lift oil tank 9-5 in the centre position of accessory cart main car frame 9-2, two ends at suspension rod tie-beam 9-4 are set with two suspension rod 9-9 by bearing pin, simultaneously between two suspension rod 9-9, also be provided with transverse-moving mechanism assembly 9-3, between transverse-moving mechanism assembly 9-3 and accessory cart main car frame 9-2, be provided with accessory cart sideslip oil cylinder 9-6 by sideslip oil cylinder bearing 9-8 by bearing pin; The lower end of suspension rod 9-9 is provided with the spreader assembly 9-10 of fixedlying connected with following nose girder assembly 2 by bolt.
As Figure 19,20, shown in 21, described lifting dolly assembly 8 is by frame assembly 8-1, lifting assembly 8-2, the 8-3 of hydraulic pushing mechanism, oil cylinder guide rail 8-4, traversing dolly 8-5, sideslip oil cylinder 8-6, guiding device 8-7, directive wheel 8-8, slide block 8-9 forms, wherein frame assembly 8-1 by being arranged on its two ends slide block 8-9 and oil cylinder guide rail 8-4 across in main longitudinal grider assembly 1 both sides, frame assembly 8-1 also is connected with main longitudinal grider assembly 1 by guiding device 8-7 simultaneously, on frame assembly 8-1, be provided with traversing dolly 8-5 by directive wheel 8-8 rolling, be hinged with sideslip oil cylinder 8-6 between traversing dolly 8-5 and the frame assembly 8-1, traversing dolly 8-5 is traversing by sideslip oil cylinder 8-6, be hinged with the 8-3 of hydraulic pushing mechanism between frame assembly 8-1 and the main longitudinal grider assembly 1, frame assembly 8-1 slides along the main longitudinal grider direction by the 8-3 of hydraulic pushing mechanism, and traversing dolly 8-5 links with lifting assembly 8-2 by chain.
Bridge formation frame beam process:
Girder adopts box section, all adopts steel plate to be welded, and the girder sections adopts high-strength bolt to connect no longer than 11.5m between the sections.Beam transportation vehicle fortune beam puts in place, and docks with following nose girder, places docking orbit.Beam transportation vehicle joist dolly delivery precast beam is nose girder up and down.The jacking of rear support leg oil cylinder, the auxiliary supporting leg in back issues and puts in place, and the rear support leg oil cylinder is regained, and the auxiliary supporting leg in back is stressed.The bridge formation machine plays the crane hanging beam, and Beam transportation vehicle joist dolly returns on the Beam transportation vehicle, and Beam transportation vehicle returns Liang Chang fortune beam.Nose girder plays crane, and auxiliary supporting leg, accessory cart are mentioned nose girder down jointly, and following nose girder begins via hole, and following nose girder via hole puts in place, and the bridge formation machine begins the beam that falls.The beam that falls puts in place.
Cross tunneling process:
The end is striden roof beam structure and is established and finish, and Beam transportation vehicle delivery telescoping mechanism enters bridge formation machine inside, and telescoping mechanism jacking, and dock with link flange on the crane ' s major girder is docked and bolt tightened after finishing.Dismounting C type leg is joint down, rotates saving backward on the C type leg, the auxiliary supporting leg in back is saved down be screwed into the position, and make progress last joint folding by twisted seat.And fix with wire rope.The disassembling bolts between front leg strut crossbeam and the outer tube, outer tube is risen to nearly horizontal level with the lower part with bottle gouard moved by hands.The assistant crown block vertical shift is arrived semi girder foremost, and rises to a high position; The bridge formation machine is under telescoping mechanism and auxiliary supporting leg effect, and decline 1.8m, C type leg save the oil cylinder that carries down and be connected with the twisted seat of last joint, C type leg is saved down lift from ground.Assistant crown block and auxiliary supporting leg promote nose girder down, make down the high distance of nose girder built on stilts 200mm, and the oil cylinder of nose girder loop wheel machine and pull bar are removed, and make nose girder both sides crossbeam be folded down
Beam transportation vehicle delivery bridge formation machine is crossed the tunnel.The bridge machine is installed nose girder supporting leg down to the tunnel face.Auxiliary supporting leg and accessory cart handle nose girder down fall to putting in place.Be connected dismounting between assistant crown block and the nose girder, auxiliary support oil cylinder is regained, and auxiliary supporting leg comes to nothing, and Beam transportation vehicle delivery bridge formation machine docks with nose girder.Auxiliary supporting leg jacking, front stretching mechanism holder sky is removed front stretching mechanism, and auxiliary supporting leg is consigned the bridge machine to shown position with the back telescoping mechanism.Back telescoping mechanism and auxiliary supporting leg jacking, the bridge machine rises 1.8m and puts in place.C type leg, rear support leg, front leg strut launches, installation accessories, the bridge formation machine is in place.The wait precast beam arrives.
Claims (9)
1. Line for Passenger Transportation span bridge erection machine for box girder passing through tunnels, comprise main longitudinal grider assembly (1), be suspended on the following nose girder assembly (2) of main longitudinal grider assembly (1) below, it is characterized in that: be provided with front leg strut assembly (4) in the front portion of main longitudinal grider assembly (1), be provided with rear support leg assembly (3) at the rear portion of main longitudinal grider assembly (1), be provided with C type leg assembly (5) at main longitudinal grider assembly (1) rear portion in rear support leg assembly (3) outside simultaneously, between main longitudinal grider assembly (1) and following nose girder assembly (2), be provided with auxiliary supporting leg assembly (6) and following nose girder loop wheel machine assembly (7), main longitudinal grider assembly (1) is provided with lifting dolly assembly (8), with the hoisting mechanism (10) that is connected of lifting dolly assembly (8), be provided with the accessory cart assembly (9) that vertically moves along main longitudinal grider assembly (1) at the front end of main longitudinal grider assembly (1).
2. Line for Passenger Transportation span bridge erection machine for box girder passing through tunnels according to claim 1, it is characterized in that: described main longitudinal grider assembly (1) is made up of girder (1-1), semi girder (1-2), front beam (1-3), middle cross beam (1-4), rear cross beam (1-5), wherein semi girder (1-2) is arranged on girder (1-1) front end, front beam (1-3) is arranged on semi girder (1-2) front end, middle cross beam (1-4) is arranged between semi girder (1-2) and the girder (1-1), and rear cross beam (1-5) is arranged on girder (1-1) rear end; Girder (1-1) and semi girder (1-2) are formed by connecting steel plate by girder junction plate (1-6) and high-strength bolt, and main longitudinal grider assembly (1) integral body is box structure.
3. Line for Passenger Transportation span bridge erection machine for box girder passing through tunnels according to claim 1, it is characterized in that: C type leg assembly (5) saves (5-2) down by joint (5-1) and C type leg on the C type leg and forms, wherein joint (5-1) is connected with main longitudinal grider assembly (1) by bearing pin (5-3) on the C type leg, this C type leg (5) rotates around bearing pin (5-3), simultaneously be provided with bolt hole on the joint (5-1) on bearing pin (5-3) and the C type leg, saving (5-1) on bearing pin (5-3) and the C type leg and fixedly connected with connecting bolt by this bolt hole; The bottom of joint (5-1) is connected by joint (5-2) under clamp (5-4) and the C type leg on the C type leg; The C type leg bottom of joint (5-2) down is provided with the C type leg running mechanism (5-5) that slides along the case beam orbit, C type leg running mechanism (5-5) outside of joint (5-2) bottom also is provided with oil cylinder (5-6) under C type leg simultaneously, and this oil cylinder (5-6) is fixedlyed connected with C type leg running mechanism (5-5) by connector (5-7).
4. Line for Passenger Transportation span bridge erection machine for box girder passing through tunnels according to claim 1, it is characterized in that: the rear end of described main longitudinal grider assembly (1) is set with crossbeam (11), rear support leg assembly (3) is hinged by dowel hole and pin axle and crossbeam (11), and rear support leg assembly (3) is rotated around this bearing pin; Rear support leg assembly (3) saves (3-2) down by joint (3-1) and rear support leg on the rear support leg and forms, it is hinged by the folding free bearing (3-3) that has folder fin wherein to save (3-2) on the rear support leg under joint (3-1) and the rear support leg, rear support leg joint (3-2) down rotates around this folder fin, simultaneously joint (3-1) and rear support leg are provided with bolt hole on the joint (3-2) down on the rear support leg, save (3-2) on the rear support leg under joint (3-1) and the rear support leg and are connected with bolt by this bolt hole; Be provided with by oil cylinder ear seat (12) between joint lower end of (3-1) and the crossbeam (11) on the rear support leg and tiltedly draw hydraulic pressure to support (13), rear support leg assembly (3) is by tiltedly drawing hydraulic pressure support (13) folding; The lower end snail of joint (3-2) ties and is connected to the free bearing (3-4) that is fixedly installed on the cushion block (3-5) under the rear support leg.
5. Line for Passenger Transportation span bridge erection machine for box girder passing through tunnels according to claim 1, it is characterized in that: front leg strut assembly (4) is made up of top rail (4-1), middle cross beam (4-2), front leg strut canned paragraph (4-3), front leg strut folded section (4-4), running mechanism (4-5), wherein top rail (4-1) is hinged with main longitudinal grider assembly (1), and front leg strut assembly (4) is upwards turned up the back along the girder direction around interface point; Running mechanism (4-5) is fixedly installed on the top rail (4-1), top rail (4-1) lower surface is connected with front leg strut canned paragraph (4-3) bolt, between front leg strut canned paragraph (4-3), be set with middle cross beam (4-2), front leg strut canned paragraph (4-3) and front leg strut folded section (4-4) are hinged by the folding free bearing that has folder fin (4-6), the front leg strut folded section is upwards turned up around folder fin (4-6), be provided with bolt hole on front leg strut canned paragraph (4-3) and the front leg strut folded section (4-4) simultaneously, front leg strut canned paragraph (4-3) is connected with bolt by this bolt hole with front leg strut folded section (4-4); Front leg strut canned paragraph (4-3) and front leg strut folded section (4-4) are by inner guiding post (4-7) and be sleeved on outside outer guiding post (4-8) composition of inner guiding post (4-7); On front leg strut canned paragraph (4-3), also be provided with front leg strut cat ladder platform assembly (4-9).
6. Line for Passenger Transportation span bridge erection machine for box girder passing through tunnels according to claim 1, it is characterized in that: described nose girder assembly (2) down is arranged on the bottom of main longitudinal grider assembly (1) by auxiliary supporting leg assembly (6) and following nose girder loop wheel machine assembly (7), the front-end and back-end of following nose girder assembly (2) are respectively arranged with down nose girder front leg strut (2-1) and lower nose girder rear support leg (2-2), are hinged with rear support leg diagonal brace (2-3) between lower nose girder rear support leg and following nose girder;
Should auxiliary supporting leg assembly (6) by movable sleeve (6-1), auxiliary supporting leg top rail (6-2), auxiliary supporting leg column (6-3), auxiliary supporting leg lower transverse beam (6-4), go up walking mechanism (6-5), walking mechanism (6-6), jacking cylinder (6-10) are formed down, wherein middle part, the upper surface of auxiliary supporting leg top rail (6-2) is provided with movable sleeve (6-1) by clamp (6-7), jacking cylinder (6-10) on clamp (6-7) and the auxiliary supporting leg top rail (6-2) is bolted to connection, and movable sleeve (6-1) moves up and down by jacking cylinder (6-10); Be provided with pin shaft hole (6-8) on movable sleeve (6-1) and the auxiliary supporting leg column (6-3), movable sleeve (6-1) and auxiliary supporting leg column (6-3) flexibly connect by this pin shaft hole (6-8) and bearing pin (6-9), fixedly connected with auxiliary supporting leg lower transverse beam (6-4) by bolt in the bottom of auxiliary supporting leg column (6-3), fixedly connected with following walking mechanism (6-6) by bolt in the bottom of auxiliary supporting leg lower transverse beam (6-4), walking mechanism (6-6) was rolled with following nose girder assembly (2) and is connected under auxiliary supporting leg assembly (6) passed through; The two ends of auxiliary supporting leg top rail (6-2) are set with walking mechanism (6-5), and auxiliary supporting leg assembly (6) rolls with main longitudinal grider assembly (1) by last walking mechanism (6-5) and is connected;
This time nose girder loop wheel machine assembly (7) is by frame (7-1), transition segment (7-2), walking mechanism (7-3), guide wheel mechanism (7-4), horizontal support arms (7-5), oil cylinder (7-6), link rod (7-7), transverse-moving mechanism (7-8), pumping plant (7-9) is formed, its mid frame (7-1) is across on main longitudinal grider assembly (1) top, and by transition segment (7-2), rolling is connected with main longitudinal grider assembly (1) with the bolted walking mechanism of transition segment (7-2) (7-3), between the end of frame (7-1) and main longitudinal grider assembly (1), be provided with guide wheel mechanism (7-4), the end of frame (7-1) is connected by the end of hinged mode with horizontal support arms (7-5), the other end of this horizontal support arms (7-5) is provided with slip groove (7-10), slip groove (7-10) is provided with transverse-moving mechanism (7-8), this transverse-moving mechanism (7-8) is hinged with the oil cylinder (7-6) that vertically is provided with by hinged mode, and transverse-moving mechanism (7-8) drives oil cylinder (7-6) and carries out traversing in the slip groove; Oil cylinder (7-6) drives down by the link rod (7-7) that is hinged on its lower end, and nose girder assembly (2) moves up and down; Be hinged with oblique drawbar (7-11) between described horizontal support arms (7-5) and the frame (7-1); Also be provided with pumping plant (7-9) in frame (7-1), whole nose girder loop wheel machine assembly down adopts symmetrical structure.
7. Line for Passenger Transportation span bridge erection machine for box girder passing through tunnels according to claim 6, it is characterized in that: describedly be arranged on following walking mechanism (6-6) on the auxiliary supporting leg assembly (6) by balanced wheels (6-6-1), connecting rod (6-6-2), traveling wheels (6-6-3), chain drives assembly (6-6-4), coupling seat (6-6-5), walker (6-6-6), core disc mechanism (6-6-7) is formed, wherein the accessory cart assembly totally is a symmetrical structure, balanced wheels (6-6-1) are fixedly installed on the lower end of connecting rod (6-6-2) by bearing pin, connecting rod (6-6-2) be arranged on that coupling seat (6-6-5) goes up and interconnective traveling wheels (6-6-3) and chain driving assembly (6-6-4) are connected, coupling seat (6-6-5) is connected with walker (6-6-6) bolt, walker (6-6-6) is connected with core disc mechanism (6-6-7) bolt, and core disc mechanism (6-6-7) is connected with auxiliary supporting leg lower transverse beam (6-4) bolt.
8. Line for Passenger Transportation span bridge erection machine for box girder passing through tunnels according to claim 1, it is characterized in that: described accessory cart assembly (9) is by accessory cart walking mechanism (9-1), accessory cart main car frame (9-2), transverse-moving mechanism assembly (9-3), suspension rod tie-beam (9-4), accessory cart lift oil tank (9-5), accessory cart sideslip oil cylinder (9-6), driving mechanism (9-7), sideslip oil cylinder bearing (9-8), suspension rod (9-9) and spreader assembly (9-10) are formed, wherein accessory cart walking mechanism (9-1) is fixedly installed on accessory cart main car frame (9-2) transverse ends, accessory cart assembly (9) rolls with main longitudinal grider assembly (1) by accessory cart walking mechanism (9-1) and is connected, be provided with the suspension rod tie-beam (9-4) of level by two accessory cart lift oil tanks (9-5) in the centre position of accessory cart main car frame (9-2), two ends at suspension rod tie-beam (9-4) are set with two suspension rods (9-9) by bearing pin, simultaneously between two suspension rods (9-9), also be provided with transverse-moving mechanism assembly (9-3), between transverse-moving mechanism assembly (9-3) and accessory cart main car frame (9-2), be provided with accessory cart sideslip oil cylinder (9-6) by sideslip oil cylinder bearing (9-8) by bearing pin; The lower end of suspension rod (9-9) is provided with the spreader assembly (9-10) of fixedlying connected with following nose girder assembly (2) by bolt.
9. Line for Passenger Transportation span bridge erection machine for box girder passing through tunnels according to claim 1, it is characterized in that: described lifting dolly assembly (8) is by frame assembly (8-1), lifting assembly (8-2), hydraulic pushing mechanism (8-3), oil cylinder guide rail (8-4), traversing dolly (8-5), sideslip oil cylinder (8-6), guiding device (8-7), directive wheel (8-8), slide block (8-9) is formed, wherein frame assembly (8-1) by being arranged on its two ends slide block (8-9) and oil cylinder guide rail (8-4) across in main longitudinal grider assembly (1) both sides, frame assembly (8-1) also is connected with main longitudinal grider assembly (1) by guiding device (8-7) simultaneously, upward be provided with traversing dolly (8-5) at frame assembly (8-1) by directive wheel (8-8) rolling, be hinged with sideslip oil cylinder (8-6) between traversing dolly (8-5) and the frame assembly (8-1), traversing dolly (8-5) is traversing by sideslip oil cylinder (8-6), be hinged with hydraulic pushing mechanism (8-3) between frame assembly (8-1) and the main longitudinal grider assembly (1), frame assembly (8-1) slides along the main longitudinal grider direction by hydraulic pushing mechanism (8-3), and traversing dolly (8-5) links by chain and lifting assembly (8-2).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010159247 CN101864736A (en) | 2010-04-29 | 2010-04-29 | Full-span bridge erection machine for box girder passing through tunnels on passenger dedicated line |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 201010159247 CN101864736A (en) | 2010-04-29 | 2010-04-29 | Full-span bridge erection machine for box girder passing through tunnels on passenger dedicated line |
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| CN101864736A true CN101864736A (en) | 2010-10-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN 201010159247 Pending CN101864736A (en) | 2010-04-29 | 2010-04-29 | Full-span bridge erection machine for box girder passing through tunnels on passenger dedicated line |
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| CN102330413A (en) * | 2011-07-18 | 2012-01-25 | 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 |
| CN106522095A (en) * | 2016-08-27 | 2017-03-22 | 江苏中铁山桥重工有限公司 | Truss section intra-site multi-directional transferring method |
| CN109083019A (en) * | 2018-09-17 | 2018-12-25 | 安徽德马泰格起重机械有限公司 | A kind of lower guide fixed-point sling erecting bridge machine |
| CN113215994A (en) * | 2021-05-11 | 2021-08-06 | 中交路桥华东工程有限公司 | Method for mounting bridge girder erection machine at tunnel outlet |
| CN113322819A (en) * | 2021-06-01 | 2021-08-31 | 中交路桥华东工程有限公司 | First-span T-beam erection method at tunnel outlet |
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| CN106522095A (en) * | 2016-08-27 | 2017-03-22 | 江苏中铁山桥重工有限公司 | Truss section intra-site multi-directional transferring method |
| CN106522095B (en) * | 2016-08-27 | 2019-11-19 | 江苏中铁山桥重工有限公司 | Multidirectional method of operation in a kind of truss segment |
| CN109083019A (en) * | 2018-09-17 | 2018-12-25 | 安徽德马泰格起重机械有限公司 | A kind of lower guide fixed-point sling erecting bridge machine |
| CN113215994A (en) * | 2021-05-11 | 2021-08-06 | 中交路桥华东工程有限公司 | Method for mounting bridge girder erection machine at tunnel outlet |
| CN113322819A (en) * | 2021-06-01 | 2021-08-31 | 中交路桥华东工程有限公司 | First-span T-beam erection method at tunnel outlet |
| CN113322819B (en) * | 2021-06-01 | 2023-02-10 | 中交路桥华东工程有限公司 | Method for erecting first-span T beam at tunnel outlet |
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Open date: 20101020 |