CN1311134C - Down beam type bridge-erecting machine and bridge erecting method thereof - Google Patents
Down beam type bridge-erecting machine and bridge erecting method thereof Download PDFInfo
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- CN1311134C CN1311134C CNB2004100611798A CN200410061179A CN1311134C CN 1311134 C CN1311134 C CN 1311134C CN B2004100611798 A CNB2004100611798 A CN B2004100611798A CN 200410061179 A CN200410061179 A CN 200410061179A CN 1311134 C CN1311134 C CN 1311134C
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Abstract
The present invention relates to a lower guide beam type bridge-erecting machine and a bridge-erecting method thereof, particularly to a frame transporting device adopted by railways, highways and urban bridges and a bridge-erecting method. The bridge-erecting machine is composed of a beam raising machine, a lower guide beam and a tire type beam transporting trolley, wherein the beam raising machine comprises a body structure and a hoisting mechanism; a longitudinally moving overhead crane comprises a traveling wheel box and an oil cylinder, and the trolley of a frame transporting beam machine comprises a wheel box assembly. The bridge-erecting machine is used for erecting the bridge; when the bridge is erected, extending wings of supporting legs in the bridge-erecting machine interact with rear supporting legs, and a hoisting type of fixed points is adopted. The present invention utilizes the lower guide beam as a beam transporting passage; middle supporting legs of the bridge-erecting machine extend wings; the rear supporting legs and the front supporting legs bear loads; the tire type beam transporting trolley makes a concrete box beam transferred into the abdominal cavity of the bridge-erecting machine; the middle supporting legs lie in the wing collecting state; after the front supporting legs and the middle supporting legs bear the loads, the rear supporting legs discharge the loads, and then, the concrete box beam is lifted, and the concrete box beam is directly placed on the pier top for installation. The present invention can safely and quickly complete the beam erection of the bridge head and the bridge tail, and the present invention is also suitable for being used on highways and the urban bridges.
Description
Technical field the present invention relates to transportation rack device and the bridging method in railway, highway and Urban Bridge employing.
Background technology needs the high-speed railway of construction increasing along with China's rapid economic development, and the transportation rack device type of high speed railway box girder transportation rack device employing at present has integration of transporting and building formula bridge formation machine, freely-supported purlin formula bridge formation machine, following nose girder formula bridge formation machine.Wherein descend nose girder formula bridge formation facility that the separation of fortune frame, fixed point lifting, light and handy, the safe and reliable characteristics of structure are arranged, but can't satisfy setting up of first and last hole beam and tune, the present invention also is suitable on highway and Urban Bridge.
Summary of the invention the objective of the invention is at above-mentioned present situation, aim to provide a kind of simple and reasonable, stress good, control is advanced, operation is simple, multiple functional, safe and reliable following nose girder formula bridge formation machine and beam erecting method thereof.
The implementation of the object of the invention is, following nose girder formula bridge formation machine is by lifting beam machine, following nose girder, the rubber-tyred beam transportation vehicle is formed, lifting beam machine is by girder 2, rear support leg 1, middle supporting leg 3, front leg strut 9, preceding trolley 8, back trolley 7, following nose girder vertical shift overhead traveling crane 6, fortune lifting beam machine chassis 10, movable oil cylinder suspension centre 14, electrical system, hydraulic system, safety device is formed, girder and front leg strut 9, middle supporting leg 3, rear support leg 1 usefulness bolt connects, preceding trolley 8, back trolley 7, movable oil cylinder suspension centre 14 is formed hoisting system, be installed on the girder track, fortune lifting beam machine chassis 10 is by before independently, the two groups of single line double track chassis in back are formed
Can form by traveling roller box 21, distribution beam 22, vertical shift overhead traveling crane crossbeam 23, slip base 24, sideslip oil cylinder 27, main suspension centre oil cylinder 25, auxiliary suspension centre oil cylinder 26 etc. along the vertical shift overhead traveling crane of girder 2 operations.Traveling roller box 21 is connected with distribution beam 22 usefulness bearing pins, and vertical shift overhead traveling crane crossbeam 23 is connected with distribution beam 22 usefulness bolts, and main suspension centre oil cylinder 25, auxiliary suspension centre oil cylinder 26 usefulness bearing pins are fixed on the girder,
Following nose girder is made up of following nose girder structure 4, vertical shift carrying roller 11,
Following nose girder 4 structures are divided into 16,17,18,19,20 5 sections, all use bolted on connection between sections, and following nose girder is provided with two vertical shift carrying rollers 11 altogether, and vertical shift carrying roller 11 is suspended on down the nose girder bottom.
Following nose girder formula bridge formation frame beam method, carry out according to the following steps:
1) install voluntarily with the bridge formation machine at the end of the bridge place under nose girder, step is as follows:
1. beam transportation vehicle 5 transportation lifting beam machines and following nose girder 4 be to end of the bridge,
2. vertical shift overhead traveling crane 6 is installed 9 times sections of front leg strut, and beam transportation vehicle 5 is shelved on abutment with the lifting beam machine location,
3. the vertical shift overhead traveling crane is removed A-frame, and beam transportation vehicle and the cooperation of lifting beam machine lifting mechanism will descend nose girder 4 to be shelved on end of the bridge,
4. overhead traveling crane promotes nose girder rear end down, pier before arriving with nose girder under vertical shift carrying roller 11 synchronous pushs,
5. on the beam transportation vehicle fairlead is installed. wear around jack line, carrying roller is fixed with following nose girder, unclamps beam transportation vehicle and connects with following nose girder, utilizes beam transportation vehicle lateral register plate guiding, and preceding pier is shelved in the slow landing of vertical shift overhead traveling crane nose girder down,
6. unclamp carrying roller and connect with following nose girder, carrying roller drives the slow rolling of nose girder down,
7. suspension centre hangs down nose girder before the lifting beam machine, the vertical shift overhead traveling crane cooperate with preceding suspension centre fall to putting down nose girder in place,
8. fortune lifting beam machine chassis is installed, the track of a chassis behind the laying fortune lifting beam machine,
9. transport the lifting beam machine chassis respectively Zhi Chengqian, middle supporting leg delivery lifting beam machine to the position of setting a roof beam in place,
10. rear support leg 1 supporting, middle supporting leg 3 are launched into aerofoil profile, and beam transportation vehicle is transported to lifting beam machine the place ahead with beam,
operation hydraulic system makes middle support bearing, the rear support leg unloading, and lifting beam machine is mentioned beam, and beam transportation vehicle withdraws from, and the vertical shift overhead traveling crane promotes down nose girder a little, strides with nose girder reach one under the carrying roller driven in synchronism,
The nose girder vertical shift puts in place under the , and the lifting beam machine beam that falls is installed the first hole beam,
2) carry out the construction of position, normal hole, its step is as follows: fortune lifting beam machine chassis is Zhi Chengqian, middle supporting leg respectively, packs to move up into the next one station of setting a roof beam in place before the lifting beam machine, repeats aforementioned 10,11,12 steps up to last two Kong Liang of fortune frame.
3) sling nose girder at bridge tail place, its step is as follows:
1. rear support leg supporting, middle supporting leg utilize hydraulic jack 15 to be launched into wing, and beam transportation vehicle is transported beam to the lifting beam machine below,
2. operate hydraulic system and make middle support bearing, rear support leg unloading, lifting beam machine is mentioned beam, and beam transportation vehicle withdraws from, and the vertical shift overhead traveling crane promotes down nose girder arrival abutment under nose girder and the vertical shift carrying roller driven in synchronism a little,
3. nose girder is to bridge floor down to utilize vertical shift overhead traveling crane and movable oil cylinder suspension centre 14 lifting synchronously, and nose girder makes down nose girder shelve abutment under the vertical shift,
4. unclamp movable oil cylinder suspension centre, following nose girder vertical shift puts in place, and install the case beam position that falls in last hole second from the bottom, and the vertical shift overhead traveling crane is nose girder under the vertical shift slightly backward, and following nose girder tail end is shelved on the end of setting a roof beam in place,
5. beam transportation vehicle supporting lifting beam machine rear support leg is transported lifting beam machine chassis supporting lifting beam machine front leg strut and is packed the lifting beam machine via hole,
6. the lifting beam machine vertical shift is in place, utilizes the vertical shift overhead traveling crane to remove a joint supporting leg, and front leg strut is bearing on the abutment, unties down client link before the nose girder, utilizes under the landing of lifting overhead traveling crane nose girder to Dun Ding,
7. rear support leg supporting, middle supporting leg are launched into wing, and beam transportation vehicle is transported beam to the lifting beam machine below,
8. operate hydraulic system and make middle support bearing, the rear support leg unloading, lifting beam machine is mentioned beam, and beam transportation vehicle withdraws from, and vertical shift overhead traveling crane and preceding suspension centre will descend nose girder to be promoted to bridge floor and preceding client link synchronously,
9. nose girder vertical shift one is striden under vertical shift overhead traveling crane and the carrying roller driven in synchronism, and install last hole concrete case beam position that falls,
4) shift on bridge formation machine road along the line, and its step is as follows:
1. beam transportation vehicle supporting lifting beam machine rear support leg, fortune lifting beam machine chassis supporting lifting beam machine front leg strut are packed the lifting beam machine vertical shift to the nose girder top,
2. lifting beam machine lifting overhead traveling crane promotes nose girder down, and beam transportation vehicle moves to down the nose girder below,
3. beam transportation vehicle and lifting beam machine cooperate adjustment nose girder position down,
4. the vertical shift overhead traveling crane is installed A-frame, and sections is to nose girder down under the lifting front leg strut, and beam transportation vehicle raises and packs lifting beam machine and set a roof beam in place in following nose girder to next building site,
5) the bridge formation machine operation procedure that turns around, its step is as follows:
1. the bridge formation machine is in state to be turned around,
2. rear support leg supporting and front leg strut supporting, middle supporting leg comes to nothing, and the vertical shift overhead traveling crane promotes middle supporting leg and turns around to install,
3. rear support leg supporting and former in outrigger support, front leg strut comes to nothing, and unties being connected of front leg strut and girder, utilize the vertical shift overhead traveling crane with the outside of front leg strut supporting leg from former winch to former in supporting leg front leg strut is reversed end for end installation,
4. former front leg strut and former middle outrigger support, rear support leg comes to nothing, and unties the middle bracing of rear support leg, utilizes the vertical shift overhead traveling crane that the rear support leg tune is installed to former front leg strut diagonal brace position,
5. former front leg strut and rear support leg supporting, former middle supporting leg comes to nothing, and utilizes the vertical shift overhead traveling crane that supporting leg in former is installed to former front leg strut installation site forward,
6. utilize the vertical shift overhead traveling crane that former front leg strut diagonal brace is installed in former rear support leg place, utilize the vertical shift overhead traveling crane that the displacement of lifting overhead traveling crane is installed,
7. descend the nose girder structure backward vertical shift utilize the vertical shift overhead traveling crane will descend nose girder structure tune to install to the erecting machine intraperitoneal,
6) carry out the change of bridge formation machine and stride operation, program is as follows:
1. erecting machine is positioned at and waits to become stride last and stride,
2. rear support leg jacking, middle supporting leg comes to nothing, and the vertical shift overhead traveling crane promotes the vertical shift change with middle supporting leg and strides installation,
3. the vertical shift overhead traveling crane promotes vertical shift installation in place with trolley,
4. middle support bearing, rear support leg comes to nothing, and the vertical shift overhead traveling crane promotes installation in place with rear support leg.
That this bridge formation mechanism thinks is ingenious, simple and reasonable, stress is good, multiple functional, control advanced, operation is simple, safe and reliable, its main feature is:
1) fortune beam, the function of setting a roof beam in place are separated, and the erecting machine fixed point is set a roof beam in place, and simple in structure, tackling system need not traveling, and the working load of setting a roof beam in place is little and balanced, and complete machine is from heavy and light, low, the good stability of center of gravity;
2) transposition voluntarily by the erecting machine supporting leg is installed can realize becoming striding and is set up and tune is set up, set a roof beam in place by on Dun Ding, being implemented in curved section to the following horizontal fine setting of nose girder, the rubber-tyred beam transportation vehicle is packed complete machine transportation realization transition and is set up, and has improved the compliance of time nose girder bridge formation machine;
3) descend nose girder pier top low level vertical shift via hole voluntarily, erecting machine is packed via hole along following nose girder passage chassis, and is quick, easy, safe and reliable;
4) down the first hole of nose girder end of the bridge is from being advanced into the station of setting a roof beam in place, hole, bridge tail end breaks away from the station of setting a roof beam in place voluntarily, has solved the difficult problem that time nose girder bridge formation frame is established first and last hole beam;
5) hoisting system static determinacy lifting concrete box girder, the safety of concrete box girder and bridge formation machine has been guaranteed in the stand under load equilibrium, hoisting system in length and breadth to fine setting, realized the accurate location that concrete box girder sets up;
6) beam transportation vehicle possesses balanced, the functions such as wheel load is balanced, leveling, direction control, stepless speed regulation of supporting, has satisfied the needs of concrete box girder transportation;
7) hydraulic control system adopts advanced PLC Computer Control Technology, by touch-screen monitoring in real time and operation, forms and detects, controls, supervises the integral system that combines automatically.
The present invention can finish setting a roof beam in place of end of the bridge, bridge tail safe and efficiently, is suitable for 32m, 24m, 20m two-wire list case etc. and strides and become and stride setting up of railway box beam, also suits to use on highway and Urban Bridge.
Description of drawings
Fig. 1 is following nose girder bridge formation machine structural representation
Fig. 2 is the lateral view of rear support leg
Fig. 3 is the lateral view of middle supporting leg
Fig. 4 is the lateral view of front leg strut
Fig. 5 is the lateral view of vertical shift overhead traveling crane
Fig. 6 a, b are following nose girder structural representation
Fig. 7 a, b are vertical shift sky bassinet structure master, lateral view
Fig. 8 1.-
Be the present invention's step schematic diagram of building bridge
Specific embodiment bridge formation machine is made up of lifting beam machine, following nose girder, rubber-tyred beam transportation vehicle, and lifting beam machine comprises agent structure, lifting mechanism, and the vertical shift overhead traveling crane comprises traveling roller box, oil cylinder, and the conveying-erecting machine chassis comprises the wheel box assembly.With this bridge formation frame bridge, adopt bridge formation machine stretching wing of middle supporting leg and rear support leg reciprocation when setting a roof beam in place, the pattern of fixed point lifting.
Structure of the present invention is described in detail in detail with reference to the accompanying drawings,
With reference to figure l, following nose girder bridge formation machine is made up of lifting beam machine, following nose girder, rubber-tyred beam transportation vehicle three large equipments:
1. lifting beam machine
Lifting beam machine is made up of agent structure, lifting mechanism, following nose girder vertical shift overhead traveling crane 6, fortune lifting beam machine chassis 10, movable oil cylinder suspension centre 14, electrical system, hydraulic system, safety device etc.
(1) agent structure comprise girder 2, before, during and after supporting leg.
1. the whole freely-supported carrier bar formed by two box-shaped longerons and six roots of sensation box-shaped beam of girder 2 girders, form the bearing structure of setting a roof beam in place with front leg strut 9, middle supporting leg 3, form the feeding beam bearing structure with rear support leg 1, front leg strut 9, be equipped with the track that moves for vertical shift overhead traveling crane 6 on the girder cover plate and supply the vertically track of fine setting of forward and backward trolley 7,8.Set up requirement according to tune, girder 2 is designed to symmetrical structure; Stride according to change and to set up requirement, reserve during girder 2 designs that 32m strides, 24m strides, 20m strides supporting leg keyhole is installed, make it be suitable for 32m, 24m, 20m two-wire list case etc. and stride and become and stride setting up of railway box beam.
2. rear support leg 1 is with reference to Fig. 2. and rear support leg 1 is rigidly connected with girder, and it forms curved month type rigidity door frame by a supporting leg crossbeam, two curved leg.Fortune concrete box girder chassis can directly pass through from rear support leg, and beam is transported to below the lifting mechanism.Rear support leg 1 bottom is provided with four 40t jacking cylinders, but the jacking erecting machine satisfy in the needs of supporting leg when opening.Rear support leg 1 is provided with interim suspension centre, can lift to diverse location by vertical shift overhead traveling crane 6 to be installed together with girder, and realization erecting machine 20m, 24m, 32m stride to become to stride and reverse end for end and set up.
3. middle supporting leg 3 is with reference to Fig. 3, and middle supporting leg 3 is formed the rigid door shelf structure by a supporting leg crossbeam, two supporting leg bodies, distribution beam, spademan oil cylinders, and middle supporting leg 3 forms the bearing structure of setting a roof beam in place with front leg strut 9, girder.Middle supporting leg 3 supporting leg crossbeams and supporting leg body adopt the double-pin Axile connection structure, after pulling out a bearing pin, can promote the supporting leg body and rotates by spademan oil cylinder 15 is flexible relative to the supporting leg crossbeam, thus stretching wing of middle supporting leg unlatching when supporting leg non-yielding prop, feeding beam in when realizing setting a roof beam in place.The supporting leg crossbeam is connected bearing pin and adopts oil cylinder to pull pin automatically with the supporting leg body, cylinder action is controlled by travel switch.In supporting leg 3 be provided with interim suspension centre, can lift to diverse location by vertical shift overhead traveling crane 6 and be installed together with girder 2, realize that erecting machine 20m, 24m, 32m stride to become to stride to set up and tune is set up.
4. front leg strut 9 is with reference to Fig. 4, and front leg strut 9 forms the square shape bearing structure of setting a roof beam in place by crossbeam, supporting leg body, diagonal brace, bottom girder.The supporting leg body is provided with bracket, and when the erecting machine via hole, this bracket is bearing on the conveying-erecting machine chassis, packs traveling.For satisfying the needs of abutment place supporting, front leg strut 9 is designed to reassembling type merogenesis structure.Front leg strut 9 is provided with interim suspension centre, can lift to diverse location and girder by vertical shift overhead traveling crane 6 to install, and realizes that erecting machine 20m, 24m, 32m stride to become to stride to set up and tune is set up.
(2) hoisting system
Hoisting system is divided into forward and backward trolley 8,7, and electric winch and base thereof, lifting beam, fixed pulley group, running block, distribution beam, suspender, hoist rope etc. are formed at a slow speed by four 10t for every trolley.Trolley is fixedly mounted on the erecting machine girder, running block and suspender are four-point lifting by hinged change eight suspension centres of distribution beam, preceding trolley 8 hoist engine hoist ropes are by hyperstatic problem of stabilizer series connection solution four-point lifting, all even lifting mechanism safety of beam body process central sill body stand under load of having guaranteed to rise and fall.For reducing the complete machine height, trolley crossbeam and fixed pulley group all adopt the fish-bellied type structure.Trolley have hoist, vertically, horizontal three-dimensional motion function, accurate contraposition that can the guard box beam is installed, the action that hoists adopts motor to drive the assembly pulley mode by reducer, reel, vertically, laterally oil cylinder thrusting slip mode is adopted in fine setting.Hoisting winding adopts frequency converter stepless speed regulation, steadily, reliably, be equipped with check mechanism on the high speed shaft of hoist engine and the reel, high speed shaft adopts hydraulic push-rod brake to brake as conventional operation, reel adopts the hydraulic pressure caliper brake as brake hard, guarantees that the hanging beam job safety is reliable.
(3) nose girder vertical shift overhead traveling crane is with reference to Fig. 7 under, vertical shift overhead traveling crane 6 is gantry lifting gear with three-dimensional motion across hoisting system, can be along girder total length operation, be used for becoming stride, install when reversing end for end under rear support leg, supporting leg, front leg strut, hoisting system and the vertical shift nose girder and down nose girder laterally finely tune the accommodation curve roof beam structure and establish.
Vertical shift overhead traveling crane 6 is made up of traveling roller box 21, distribution beam 22, vertical shift overhead traveling crane crossbeam 23, slip base 24, sideslip oil cylinder 27, main suspension centre oil cylinder 25, auxiliary suspension centre oil cylinder 26 etc., main suspension centre oil cylinder is used to promote down nose girder 4, auxiliary suspension centre is used for promoting rear support leg 1, supporting leg 3, front leg strut 9, hoisting system etc., and sideslip oil cylinder is used for the thrusting slip seat.Vertical shift overhead traveling crane running mechanism adopts 4 followers, 4 driving wheels, and driven by power is by nose girder under control system realization and the following nose girder vertical shift carrying roller driven in synchronism.
(4) fortune lifting beam machine chassis fortune lifting beam machine chassis 10 is made up of forward and backward two groups of single line double track chassis independently, can pack erecting machine vertical shift via hole by the mode of supporting leg 3 in preceding chassis supporting front leg strut 9, the back chassis supporting along the orbital motion that is arranged in down the nose girder center.Conveying-erecting machine chassis 10 is made up of wheel box assembly, support main beam, distribution roller box, and conveying-erecting machine chassis 10 span 4.2m, the speed of travel are 3m/min, adopts motor → reducer → traction drive mode to drive.Distribute roller box and wheel box assembly to adopt the chamber type structure for reducing conveying-erecting machine chassis height.
(5) the movable oil cylinder suspension centre 14 of movable oil cylinder suspension centre is made up of lifting beam, lift cylinder, longitudinal-moving device, is used to assist the vertical shift overhead traveling crane to realize that the first hole of nose girder enters bridge location and last hole disengaging bridge location down.
(6) under the electrical control system nose girder bridge formation machine in the bridging operation process, each lifting mechanism and hydraulic system, electrical system, safety device etc. must strict be coordinated control, and the state variation of weight, orientation and each subsystem of the concrete box girder desiring to set up etc. need be monitored and regulate timely and accurately.
(7) hydraulic system: hydraulic system is divided into three pumping plants such as front leg strut pumping plant, rear support leg pumping plant, vertical shift overhead traveling crane pumping plant, three equal independent operations of pumping plant.The front leg strut pumping plant provides the power oil sources for 8 two vertical shift oil cylinders of preceding trolley, two sideslip oil cylinders, two conveying-erecting machine chassis jacking cylinders, two movable suspension centre lift cylinders, two movable suspension centre pipe bending cylinders.The rear support leg pumping plant provides the power oil sources for 7 two vertical shift oil cylinders of back trolley, two sideslip oil cylinders, two middle supporting leg lifting width of cloth oil cylinders, two middle supporting leg plug pin oil cylinders, four rear support leg jacking cylinders.Front leg strut pumping plant, rear support leg pumping plant are installed on the erecting machine girder.Vertical shift dolly pumping plant provides the power oil sources for two main suspension centre oil cylinders of vertical shift dolly, two auxiliary suspension centre oil cylinders, four sideslip oil cylinders.Vertical shift dolly pumping plant is installed on the vertical shift overhead traveling crane.
2. descend under the nose girder nose girder comprise down nose girder 4, vertical shift carrying roller 11, middle supporting leg 3, vertical shift overhead traveling crane 6,
With reference to Fig. 6, following nose girder 4 structures connect and compose a whole freely-supported force structure by two box-shaped longerons and truss-like lengthening section by intermediate transverse girder, and bridge formation machine feeding beam and lifting beam machine vertical shift via channel are provided.Following nose girder 4 bottoms are provided with vertical shift carrying roller 11 orbits and following nose girder 4 orbits.According to nose girder 4 force status finite element analyses are definite down, following nose girder is made up of two length of a film 35m case beams and two length of a film 18m truss, total length 553m, case deck-molding 2.4m, wide 1.8m is divided into 5 sections, be the Q345D steel and be welded, all adopt high strength to make with extra care bolted on connection between sections.
Following nose girder 4 is provided with two vertical shift carrying rollers 11 altogether, and vertical shift carrying roller 11 is suspended on down nose girder 4 bottoms, can self-driven walking on nose girder 4.Vertical shift carrying roller 11 is provided with drive unit, by nose girder 4 via holes under control system control and the 6 driven in synchronism vertical shifts of vertical shift overhead traveling crane.
With reference to Fig. 8, Fig. 8 is each construction sequence condition diagram, wherein 1.-the 12nd, nose girder construction sequence condition diagram under installing voluntarily with the bridge formation machine at the end of the bridge place, the 13rd, carry out the construction sequence condition diagram of position, normal hole; 14-22 is the construction sequence condition diagram of nose girder down of slinging at bridge tail place, 23-26 is that the construction sequence condition diagram is shifted on bridge formation machine road along the line, 27-33 is the bridge formation machine operation procedure construction sequence condition diagram that turns around, and 34-37 carries out the bridge formation machine to become and stride job execution step condition diagram.
Claims (3)
1, following nose girder formula bridge formation machine, it is characterized in that by lifting beam machine, following nose girder, the rubber-tyred beam transportation vehicle is formed, lifting beam machine is by girder (2), rear support leg (1), middle supporting leg (3), front leg strut (9), preceding trolley (8), back trolley (7), following nose girder vertical shift overhead traveling crane (6), fortune lifting beam machine chassis (10), movable oil cylinder suspension centre (14), electrical system, hydraulic system, safety device is formed, girder and front leg strut (9), middle supporting leg (3), rear support leg (1) connects with bolt, preceding trolley (8), back trolley (7), movable oil cylinder suspension centre (14) is formed hoisting system, be installed on the girder track, fortune lifting beam machine chassis (10) is by before independently, the two groups of single line double track chassis in back are formed
Vertical shift overhead traveling crane along girder (2) operation is made up of traveling roller box (21), distribution beam (22), vertical shift overhead traveling crane crossbeam (23), slip base (24), sideslip oil cylinder (27), main suspension centre oil cylinder (25), auxiliary suspension centre oil cylinder (26), traveling roller box (21) is connected with bearing pin with distribution beam (22), vertical shift overhead traveling crane crossbeam (23) is connected with bolt with distribution beam (22), main suspension centre oil cylinder (25), auxiliary suspension centre oil cylinder (26) are fixed on the girder with bearing pin
Following nose girder is made up of following nose girder structure (4), vertical shift carrying roller (11),
Following nose girder structure (4) is divided into (16), (17), (18), (19), (20) five sections, all uses bolted on connection between sections, and following nose girder is provided with two vertical shift carrying rollers (11) altogether, and the vertical shift carrying roller is suspended on down the nose girder bottom.
2, nose girder formula bridge formation machine down according to claim 1, it is characterized in that middle supporting leg (3) forms the rigid door shelf structure by a supporting leg crossbeam, two supporting leg bodies, distribution beam, spademan oil cylinders, middle supporting leg (3) forms the bearing structure of setting a roof beam in place with front leg strut (9), girder.
3, the described nose girder formula bridge formation frame beam method down of claim 1 is characterized in that carrying out according to the following steps:
1) install voluntarily with the bridge formation machine at the end of the bridge place under nose girder, step is as follows:
1. beam transportation vehicle (5) transportation lifting beam machine and following nose girder (4) be to end of the bridge,
2. vertical shift overhead traveling crane (6) is installed front leg strut (9) sections down, and beam transportation vehicle (5) is shelved on abutment with the lifting beam machine location,
3. the vertical shift overhead traveling crane is removed A-frame, and beam transportation vehicle and the cooperation of lifting beam machine lifting mechanism will descend nose girder (4) to be shelved on end of the bridge,
4. overhead traveling crane promotes nose girder rear end down, pier before arriving with nose girder under vertical shift carrying roller (11) synchronous push,
5. on the beam transportation vehicle fairlead is installed, is worn around jack line, carrying roller is fixed with following nose girder, unclamps beam transportation vehicle and connects with following nose girder, utilizes beam transportation vehicle lateral register plate guiding, and preceding pier is shelved in the slow landing of vertical shift overhead traveling crane nose girder down,
6. unclamp carrying roller and connect with following nose girder, carrying roller drives the slow rolling of nose girder down,
7. suspension centre hangs down nose girder before the lifting beam machine, the vertical shift overhead traveling crane cooperate with preceding suspension centre fall to putting down nose girder in place,
8. fortune lifting beam machine chassis is installed, the track of a chassis behind the laying fortune lifting beam machine,
9. transport the lifting beam machine chassis respectively Zhi Chengqian, middle supporting leg delivery lifting beam machine to the position of setting a roof beam in place,
10. rear support leg (1) supporting, middle supporting leg (3) are launched into aerofoil profile, and beam transportation vehicle is transported to lifting beam machine the place ahead with beam,
operation hydraulic system makes middle support bearing, the rear support leg unloading, and lifting beam machine is mentioned beam, and beam transportation vehicle withdraws from, and the vertical shift overhead traveling crane promotes down nose girder a little, strides with nose girder reach one under the carrying roller driven in synchronism,
The nose girder vertical shift puts in place under the , and the lifting beam machine beam that falls is installed the first hole beam,
2) carry out the construction of position, normal hole, its step is as follows: fortune lifting beam machine chassis is Zhi Chengqian, middle supporting leg respectively, packs to move up into the next one station of setting a roof beam in place before the lifting beam machine, repeats aforementioned 10,11,12 steps up to last two Kong Liang of fortune frame,
3) sling nose girder at bridge tail place, its step is as follows:
1. rear support leg supporting, middle supporting leg utilize hydraulic jack (15) to be launched into wing, and beam transportation vehicle is transported beam to the lifting beam machine below,
2. operate hydraulic system and make middle support bearing, rear support leg unloading, lifting beam machine is mentioned beam, and beam transportation vehicle withdraws from, and the vertical shift overhead traveling crane promotes down nose girder arrival abutment under nose girder and the vertical shift carrying roller driven in synchronism a little,
3. nose girder is to bridge floor down to utilize the lifting synchronously of vertical shift overhead traveling crane and movable oil cylinder suspension centre (14), and nose girder makes down nose girder shelve abutment under the vertical shift,
4. unclamp movable oil cylinder suspension centre, following nose girder vertical shift puts in place, and install the case beam position that falls in last hole second from the bottom, and the vertical shift overhead traveling crane is nose girder under the vertical shift slightly backward, and following nose girder tail end is shelved on the end of setting a roof beam in place,
5. beam transportation vehicle supporting lifting beam machine rear support leg is transported lifting beam machine chassis supporting lifting beam machine front leg strut and is packed the lifting beam machine via hole,
6. the lifting beam machine vertical shift is in place, utilizes the vertical shift overhead traveling crane to remove a joint supporting leg, and front leg strut is bearing on the abutment, unties down client link before the nose girder, utilizes under the landing of lifting overhead traveling crane nose girder to Dun Ding,
7. rear support leg supporting, middle supporting leg are launched into wing, and beam transportation vehicle is transported beam to the lifting beam machine below,
8. operate hydraulic system and make middle support bearing, the rear support leg unloading, lifting beam machine is mentioned beam, and beam transportation vehicle withdraws from, and vertical shift overhead traveling crane and preceding suspension centre will descend nose girder to be promoted to bridge floor and preceding client link synchronously,
9. nose girder vertical shift one is striden under vertical shift overhead traveling crane and the carrying roller driven in synchronism, and install last hole concrete case beam position that falls,
4) shift on bridge formation machine road along the line, and its step is as follows:
1. beam transportation vehicle supporting lifting beam machine rear support leg, fortune lifting beam machine chassis supporting lifting beam machine front leg strut are packed the lifting beam machine vertical shift to the nose girder top,
2. lifting beam machine lifting overhead traveling crane promotes nose girder down, and beam transportation vehicle moves to down the nose girder below,
3. beam transportation vehicle and lifting beam machine cooperate adjustment nose girder position down,
4. the vertical shift overhead traveling crane is installed A-frame, and sections is to nose girder down under the lifting front leg strut, and beam transportation vehicle raises and packs lifting beam machine and set a roof beam in place in following nose girder to next building site,
5) the bridge formation machine operation procedure that turns around, its step is as follows:
1. the bridge formation machine is in state to be turned around,
2. rear support leg supporting and front leg strut supporting, middle supporting leg comes to nothing, and the vertical shift overhead traveling crane promotes middle supporting leg and turns around to install,
3. rear support leg supporting and former in outrigger support, front leg strut comes to nothing, and unties being connected of front leg strut and girder, utilize the vertical shift overhead traveling crane with the outside of front leg strut supporting leg from former winch to former in supporting leg front leg strut is reversed end for end installation,
4. former front leg strut and former middle outrigger support, rear support leg comes to nothing, and unties the middle bracing of rear support leg, utilizes the vertical shift overhead traveling crane that the rear support leg tune is installed to former front leg strut diagonal brace position,
5. former front leg strut and rear support leg supporting, former middle supporting leg comes to nothing, and utilizes the vertical shift overhead traveling crane that supporting leg in former is installed to former front leg strut installation site forward,
6. utilize the vertical shift overhead traveling crane that former front leg strut diagonal brace is installed in former rear support leg place, utilize the vertical shift overhead traveling crane that the displacement of lifting overhead traveling crane is installed,
7. descend the nose girder structure backward vertical shift utilize the vertical shift overhead traveling crane will descend nose girder structure tune to install to the erecting machine intraperitoneal,
6) carry out the change of bridge formation machine and stride operation, program is as follows:
1. erecting machine is positioned at and waits to become stride last and stride,
2. rear support leg jacking, middle supporting leg comes to nothing, and the vertical shift overhead traveling crane promotes the vertical shift change with middle supporting leg and strides installation,
3. the vertical shift overhead traveling crane promotes vertical shift installation in place with trolley,
4. middle support bearing, rear support leg comes to nothing, and the vertical shift overhead traveling crane promotes installation in place with rear support leg.
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2004100611798A CN1311134C (en) | 2004-11-25 | 2004-11-25 | Down beam type bridge-erecting machine and bridge erecting method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CNB2004100611798A CN1311134C (en) | 2004-11-25 | 2004-11-25 | Down beam type bridge-erecting machine and bridge erecting method thereof |
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| Publication Number | Publication Date |
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| CN1609342A CN1609342A (en) | 2005-04-27 |
| CN1311134C true CN1311134C (en) | 2007-04-18 |
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|---|---|
| CN1609342A (en) | 2005-04-27 |
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Owner name: GROUP CO., LTD., ZHONGTIE DAQIAO BUREAU Free format text: FORMER OWNER: CHINA ZHONGTIE MAJOR BRIDGE ENGINEERING CO., LTD. Effective date: 20150205 |
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Effective date of registration: 20150205 Address after: 430050 Hanyang Road, Hanyang District, Hubei, No. 38, No. Patentee after: Group Co., Ltd., Zhongtie Daqiao Bureau Address before: 430050 No. 38, Hanyang Avenue, Wuhan, Hubei Patentee before: China Zhongtie Major Bridge Engineering Co., Ltd. |