CN110924310A - Adjustable movable lifting device on girder transporting bridge and opposite-pulling portal tunnel crossing construction method - Google Patents
Adjustable movable lifting device on girder transporting bridge and opposite-pulling portal tunnel crossing construction method Download PDFInfo
- Publication number
- CN110924310A CN110924310A CN201911281893.0A CN201911281893A CN110924310A CN 110924310 A CN110924310 A CN 110924310A CN 201911281893 A CN201911281893 A CN 201911281893A CN 110924310 A CN110924310 A CN 110924310A
- Authority
- CN
- China
- Prior art keywords
- lifting
- main
- tire
- opposite
- portal
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D21/00—Methods or apparatus specially adapted for erecting or assembling bridges
Landscapes
- Engineering & Computer Science (AREA)
- Architecture (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Bridges Or Land Bridges (AREA)
Abstract
The invention belongs to the technical field of bridge construction, and particularly relates to an adjustable movable type lifting device on a girder transporting bridge and a tunnel passing construction method of a split portal. The device comprises longitudinal gantries, a gantry lifting support system, a gantry traveling system, a gantry opposite-pulling transverse moving system, a girder transporting vehicle lifting system and an informatization system, wherein the longitudinal gantries of the lifting device on the adjustable movable girder transporting vehicle bridge are divided into a left lifting device and a right lifting device, and main cross beams of the longitudinal gantries on the left side and the right side are fixedly connected with each other; the gantry lifting support system comprises supporting legs arranged at the bottoms of the main longitudinal beams, and jacks are arranged in the supporting legs; the gantry traveling system is a lifting and steering tire arranged in the main longitudinal beam; the portal opposite-pulling transverse moving system comprises an upper opposite-pulling system arranged between the left and right connecting cross beams and a lower opposite-pulling system hinged to two ends of the main longitudinal beam; the lifting system of the beam transporting vehicle comprises a screw rod lifter arranged on the main cross beam.
Description
Technical Field
The invention belongs to the technical field of bridge construction, and particularly relates to an adjustable movable type lifting device on a girder transporting bridge and a tunnel passing construction method of a split portal.
Background
In recent years, with the strong investment construction of national highways and railways, beam transporting vehicles and bridge erecting machines are widely used as common bridge erecting equipment, however, in a bridge erecting line, with the erection of precast beams (box beams, small box beams or T-beams), the distance between a precast beam yard and an erecting place is gradually increased, the beam transporting distance is gradually increased, the beam transporting time is gradually increased, the total construction period is inevitably increased, under the condition of short construction period, a builder is usually in an adverse state, and the increase of the beam transporting time brings a series of adverse effects such as worker nesting, the waiting time of the bridge erecting machine is increased, and supporting equipment is left unused. In order to shorten the girder transporting period and accelerate the erection speed, 2 or even a plurality of girder transporting vehicles are generally adopted to be matched with 1 bridge girder erection machine, the waiting time of the bridge girder erection machine is shortened, and the girder transporting period can be even smaller than the girder erection period of the bridge girder erection machine, so that the bridge girder erection machine can fully load the girder erection and the whole girder erection speed of the circuit is improved. However, the matching mode of 1 bridge girder erection machine and 2 or more girder transport vehicles is inevitable, and the condition of wrong transportation of the girder transport vehicles can occur.
The prior beam transporting vehicle has the following vehicle-staggering modes:
1. staggering the vehicles in a broad area of the roadbed;
2. erecting a vehicle passing platform on the bridge;
3. a bridge-crossing portal crane is erected below the bridge, and the empty wagon of the girder transporting vehicle is lifted, so that the heavy wagon of the girder transporting vehicle passes through the lower part;
4. the empty car of the beam transporting car is lifted by adopting the car meeting device fixed on the bridge floor, so that the heavy car of the beam transporting car passes through the lower part.
The construction method for the beam transporting vehicle to make a car shift has the following problems:
1. the method comprises the following steps that a roadbed broad area is required to be arranged on a line when a vehicle is staggered in the roadbed broad area, the roadbed broad area is arranged at a proper place of the line, a proper vehicle staggering place is continuously pushed forward along with forward pushing of bridge erection, and the roadbed broad area is required to be continuously arranged according to bridge erection progress; has larger limitation, is not suitable for mountainous areas, bridges and lines without foundation sections.
2. Set up the platform of giving a mistake to the car on the bridge, along with bridge erection forward propulsion, suitable place of giving a mistake to the car will constantly impel forward, need set up the platform of giving a mistake to the car according to bridge erection progress constantly, have great limitation, and set up the platform of giving a mistake to the car and need set up the support, the cost is great, improper high pier circuit.
3. The bridge-crossing portal crane is erected under the bridge, the empty girder transporting vehicle is lifted, the heavy girder transporting vehicle passes through the bridge-crossing portal crane from the lower part, and the bridge-crossing portal crane is supported underground, so that the bridge-crossing portal crane is high in cost and not suitable for high bridge pier lines.
4. The adoption is fixed in the meeting car device of bridge floor, promote fortune roof beam car empty wagon, make fortune roof beam car heavy wagon pass through from the below, the portal of bridge floor meeting car device is huge, the dismouting difficulty, can not adapt to the constantly forward propulsive condition in the place of staggering, can only stagger the car in fixed place, along with the continuous forward propulsion that the bridge was established and is erect, the fortune roof beam car extremely easily appears and waits for the condition of staggering in front of meeting car device, and unable complete machine passes through the tunnel, can cross the tunnel in the rear must be dismantled with the portal.
Therefore, it is necessary to research an adjustable movable girder transporting bridge lifting device capable of driving on a road and passing through a tunnel by a whole machine and a construction method for passing through the tunnel by a portal frame.
Disclosure of Invention
The invention aims to solve the problems and provides an adjustable movable girder transporting bridge lifting device and a construction method for opposite-pulling portal tunneling.
The invention adopts the following technical scheme: an adjustable movable lifting device on a girder transporting vehicle bridge comprises a longitudinal portal, a portal lifting support system, a portal walking system, a portal opposite-pulling transverse moving system, a girder transporting vehicle lifting system and an informatization system, wherein the longitudinal portal of the lifting device on the adjustable movable girder transporting vehicle bridge is divided into a left portal and a right portal; the gantry lifting support system comprises support legs arranged at the bottom of the main longitudinal beam, jacks are arranged in the support legs, and a plurality of support screw rods are arranged at the bottom of the main longitudinal beam at intervals; the gantry traveling system is a lifting and steering tire arranged in the main longitudinal beam; the portal opposite-pulling transverse moving system comprises an upper opposite-pulling system arranged between the left and right connecting cross beams and a lower opposite-pulling system hinged to two ends of the main longitudinal beam; the lifting system of the beam transporting vehicle comprises a screw rod lifter arranged on the main cross beam; the information system comprises a GPS positioning signal transmitting device arranged on the girder transporting vehicle and a GPS positioning and receiving display system arranged on the lifting equipment of the girder transporting vehicle.
Further, the main longitudinal beam is of a box-shaped structure, lifting cavities used for mounting supporting legs and jacks are formed in the two ends of the main longitudinal beam, walking cavities used for mounting lifting and steering tires are formed in the positions, 30-40 cm away from the two ends of the main longitudinal beam, and the walking cavities are cuboids.
Furthermore, one end of the connecting beam is welded and fixed on the curved supporting beam, the other end of the connecting beam is welded with a special-shaped flange plate, reinforcing triangular iron is arranged around the special-shaped flange plate, and a hinge structure is arranged on one side of the special-shaped flange plate.
Furthermore, one end of the main cross beam is connected with a special-shaped flange plate of the connecting cross beam through a special-shaped flange, one side of the special-shaped flange is connected with the special-shaped flange plate of the connecting cross beam end through a hinge structure, the other end of the main cross beam is provided with a flange used for being connected with the main cross beam of the other portal frame, reinforcing triangular iron is arranged around the flange, and a reserved hole for installing the screw rod hoister is reserved in the main cross beam.
Furthermore, the connecting longitudinal beam is welded between the front curved supporting beam and the rear curved supporting beam, 2 groups of telescopic oil cylinders are arranged on the connecting longitudinal beam, the telescopic oil cylinders are connected with the main cross beam, the telescopic oil cylinders are hinged with the connecting longitudinal beam and the main cross beam, and the telescopic oil cylinders are small-section multi-stage oil cylinders.
Furthermore, the supporting leg is a box-shaped box, the supporting leg is arranged in a lifting cavity in the main longitudinal beam, a jack is arranged in the supporting leg, the lower end of the jack is fixed with the bottom of the supporting leg, and the upper end of the jack is fixed in the lifting cavity; the support lead screw independently set up, set up 7 ~ 8 under every main longitudinal.
Furthermore, liftable and turn to the tire and include the protection box, be provided with 2 jacks in the protection box, the steering spindle is installed to protection box bottom, fixes the wheel frame on the steering spindle, installs the tire on the wheel frame.
Furthermore, the upward opposite-pulling system comprises a threaded rod I, a threaded rod locking cap, a driving gear I, a driving motor and a gearbox, wherein the threaded rod I is provided with 2 threaded rods, the 2 threaded rods I penetrate through holes of the special-shaped flange plate connected with one end of the cross beam, the double-threaded rod locking cap is installed at the end part of the 2 threaded rods I, the driving motor and the gearbox are installed on the connecting cross beam and the curved supporting beam, the driving motor is meshed with the driving gear I through the gearbox and connected with the driving gear I, and the driving gear I is sleeved on the threaded rod I.
Further, the lower counter-pulling system comprises an internal thread sleeve hinged on one side of the main longitudinal beam and a steel supporting plate hinged on the main longitudinal beam on the other side, the end part of the internal thread sleeve is hinged with an opening semicircle, a thread is arranged in the opening semicircle, a threaded rod II is arranged in a hole of the steel supporting plate in a penetrating manner, a locking cap is installed at one end of the threaded rod II, a driving gear II is sleeved on the threaded rod II, and the driving gear II is meshed with a driving motor and a gearbox which are installed on the.
Further, the screw rod lifting machine includes 2 screw rods, drive gear III, motor and gearbox, cross arm roof beam and lock nut, and 2 screw rods are arranged perpendicularly and are passed the preformed hole of main beam, and the screw rod lower extreme sets up lock nut, connects the cross arm roof beam between 2 screw rods, 2 screw rod top installation drive gear II, and drive gear II passes through the gear and is connected with motor and gearbox.
A tunnel-passing construction method for a split portal of a lifting device on an adjustable movable girder transporting bridge comprises 3 using methods.
S100, lifting the girder transporting vehicle by using a lifting device on the adjustable movable girder transporting vehicle bridge;
s101, extending the jacks to enable the supporting legs to be in a supporting state, and recovering the jacks to enable the lifting and steering tires not to be stressed;
s102, placing a support screw rod under a main longitudinal beam and firmly supporting;
s103, confirming that all the bolts of the main cross beam and the flange plate of the main connecting cross beam are firm;
s104, confirming that the pull-down system is in a separated state and in a folded state towards the main longitudinal beam;
s105, driving the light beam transporting vehicle into the lifting equipment, and longitudinally centering;
s106, removing a locking nut of the screw rod lifter, taking down the cross beam, starting a driving motor and a gearbox, descending the screw rod to be below two longitudinal beams of the light beam transporting vehicle, then installing the cross beam and the locking nut, starting the driving motor and the gearbox again, ascending the screw rod, and lifting the light beam transporting vehicle to be below a main cross beam;
s107, carrying the beam body by the heavy beam carrying vehicle;
s108, starting the driving motor and the gearbox for the second time, lowering the light beam transporting vehicle, releasing the locking nut, taking down the cross beam, starting the driving motor and the gearbox, and lifting the screw rod;
s109, driving away the light beam carrying vehicle.
S200, longitudinally moving a lifting device on the adjustable movable girder transporting bridge;
s201, when the beam erecting place is more and more forward along with the beam erecting progress, even when a heavy beam transporting vehicle waits for a vehicle passing by, starting an informatization system, displaying the distance and the speed between the light beam transporting vehicle and lifting equipment on a GPS positioning and receiving display system, and calculating to obtain the distance of the lifting equipment needing to be longitudinally moved;
s202, extending, lifting and steering a jack of the tire to extend the tire;
s203, retracting a support screw rod, placing the support screw rod on the main longitudinal beam, and longitudinally moving along with the equipment;
s204, retracting a jack in the supporting leg, and retracting the supporting leg to enable the lifting and steering tire to be stressed;
s205, longitudinally moving the equipment to the calculated position;
s206, extending jacks in the supporting legs to lift the supporting legs, so that the liftable and steerable tires are free from stress;
s207, placing the support screw rod below the main longitudinal beam and stretching and tightening the support screw rod;
s208, retracting the lifting and steering jacks of the tire to enable the tire to retract into the walking cavity of the main longitudinal beam, so that the lifting equipment is in a working state.
S300, passing a lifting device on the adjustable movable girder transporting bridge through a tunnel;
s301, extending, lifting and steering a jack of the tire to extend the tire;
s302, manually turning the tire to 90 degrees;
s303, retracting a jack in the supporting leg, and retracting the supporting leg to enable the lifting and steering tire to be stressed;
s304, butting a pull-down system, placing a screw into the internal thread sleeve, and locking the parallel opening semicircle;
s305-loosening all flange bolts of the main cross beam;
s306, reversely starting driving motors of the upward opposite-pulling system and the downward opposite-pulling system at the same time to enable the portal frame to walk towards two sides and separate the left main beam from the right main beam;
s307, retracting the oil cylinder to enable the main beam to be folded inwards, starting the screw rod hoister at the same time, descending the hoisting screw rod, and enabling the hoisting equipment portal to enter a to-be-oppositely-pulled state;
s308, a driving motor of the upward opposite pulling system and a driving motor of the downward opposite pulling system are started in the forward direction, the portal is pulled in opposite directions, and the traveling speed of the driving motor and the gearbox of the downward opposite pulling system is required to be the sum of the traveling speeds of 2 groups of driving motors and the gearbox of the upward opposite pulling system;
s309, extending a jack in the supporting leg to enable the supporting leg to be stressed, and lifting and steering the tire to lift off the ground;
s310, rotating the liftable and steerable tire by 90 degrees;
s311, retracting the jack in the landing leg again, and recovering the landing leg into the lifting cavity of the main longitudinal beam to enable the lifting and steering tire to be stressed;
s312, retracting, lifting and turning the tire jack to enable the lifting equipment to integrally descend, and enabling the tire to retract into the main beam until the main beam is 10-20 cm away from the ground;
s313, longitudinally moving the tunnel;
s314, extending, lifting and steering the tire jack to enable the lifting equipment to integrally lift;
s315, extending the jack in the supporting leg, and extending the supporting leg to lift the liftable and steerable tire away from the ground;
s316, rotating the lifting and steering tire by 90 degrees;
s317, retracting a jack in the landing leg, and retracting the landing leg until the lifting and steering tire supports the ground;
s318, reversely opening a driving motor of the upward opposite-pulling system and a driving motor of the downward opposite-pulling system to enable the portal to transversely move towards two sides and oppositely open until the opening width of the portal reaches the width capable of enabling the main beam to return, wherein the width is larger than the working width of the portal, and the traveling speed of the driving motor and the gearbox of the downward opposite-pulling system must be the combination of the traveling speed of 2 groups of driving motors and the gearbox of the upward opposite-pulling system;
s319, extending the oil cylinder to enable the main beam to return outwards, starting the screw rod hoister at the same time, descending the hoisting screw rod, and enabling the hoisting equipment portal to enter a state to be pulled oppositely;
s320, simultaneously opening the driving motors of the upper counter-pulling system and the lower counter-pulling system in the forward direction, and carrying out counter-pulling on the portal again until the left main beam and the right main beam are closed;
s321, fastening all flange bolts of the main cross beam;
s322, opening the semicircular opening of the internal thread sleeve, and folding the screw rod and the internal thread sleeve towards the main beam;
s323, extending a jack in the supporting leg to extend the supporting leg so that the lifting and steering tire can lift off the ground;
s324, manually turning the tire to 90 degrees;
and S325, executing a longitudinal movement process of the equipment, and reaching a working state after the lifting equipment reaches the calculated position of the light and heavy beam carrier vehicle for the vehicle passing by.
Compared with the prior art , the invention has the following beneficial effects:
1. the invention is a longitudinal stress system, when the girder transporting vehicle is lifted, the support screw rods and the support legs under the longitudinal beams are in contact with the bridge floor to be stressed, the stress area is large, and the damage to the bridge is small.
2. The invention can calculate the next predicted wrong-track place of the light and heavy beam transporting vehicle in advance according to the informatization system, thereby reaching the predicted wrong-track position in advance, reducing the time of waiting for the light beam transporting vehicle by the heavy beam transporting vehicle and improving the whole beam transporting progress.
3. The upper opposite-pulling system and the lower opposite-pulling system are oppositely pulled simultaneously, so that the transverse moving balance and centering of the left longitudinal portal and the right longitudinal portal are ensured, and the whole width of the lifting equipment is reduced.
4. The invention avoids the system adverse effect caused by the installation and the disassembly of the equipment by reducing the overall height of the portal and reducing the overall width of the equipment to pass through the tunnel.
5. Compared with the existing lifting equipment for the beam transporting vehicle, the beam transporting vehicle is lifted by the stacking rod lifter, so that the beam transporting vehicle can be lifted below the main cross beam, the overall height of the lifting equipment can be reduced, and the manufacturing cost of the equipment can be reduced.
Drawings
FIG. 1 is a front view of an adjustable lifting device of a girder transport vehicle;
FIG. 2 is a side view of an adjustable lifting device of the girder transport vehicle;
FIG. 3 is a schematic view of a beam transporting vehicle equipped with a GPS positioning device;
FIG. 4 is a detail view of the main stringer;
FIG. 5 is a view showing a structure of a curved support beam;
FIG. 6 is a detailed structure diagram of the connecting beam;
FIG. 7 is a detailed view of the main beam;
FIG. 8 is a view showing a main cross member mounting position;
FIG. 9 is a large view of the main beam mounting position;
FIG. 10 is a view of the structure of the supporting legs and the jack;
FIG. 11 is a view showing the construction of a liftable and steerable tire;
FIG. 12 is a detail view of a liftable and steerable tire structure;
FIG. 13 is a structural turn diagram of a liftable and steerable tire;
FIG. 14 is a view of the threaded rod and locking cap of the pull-up system;
FIG. 15 is a view showing a structure of a driving mechanism of the pull-up system;
FIG. 16 is a view showing an installation position of the pull-up system;
FIG. 17 is a view of the construction of the female threaded sleeve of the pull-down counter-pull system;
FIG. 18 is a view of the threaded rod and drive of the pull down system;
FIG. 19 is a view of the threaded rod and drive of the pull down system;
FIG. 20 is a view of the installation position of the pull down counter system;
FIG. 21 is a view showing the construction of a screw elevator;
FIG. 22 is a view of the lifting apparatus assembly;
fig. 23 is a diagram illustrating a state that the lifting device lifts the light girder transporting vehicle and the heavy girder transporting vehicle in a staggered manner;
FIG. 24 is a view showing a state in which the laterally moving member is ready to be pulled;
FIG. 25 is a cross-tunnel state diagram after centering by counter-pulling;
in the figure, 1-main longitudinal beam, 2-curved supporting beam, 3-connecting beam, 4-main beam, 5-connecting longitudinal beam, 6-supporting leg, 7-jack, 8-supporting screw rod, 9-lifting and steering tyre, 10-upward and downward pull system, 11-downward and upward pull system, 12-screw rod elevator, 13-GPS positioning signal transmitting device, 14-GPS positioning and receiving display system, 15-control box, 16-controller, 17-lifting cavity, 18-walking cavity, 19-special-shaped flange plate, 20-reinforcing triangular iron, 21-hinged structure, 22-special-shaped flange, 23-flange, 24-telescopic oil cylinder, 25-protective box, 26-jack, 27-tyre and 28-wheel frame, 29-steering shaft, 30-threaded rod, 31-double-threaded rod locking cap, 32-driving gear, 33-driving motor, 34-gear box, 35-internal bolt sleeve, 36-steel supporting plate, 37-threaded rod, 38-driving gear, 39-driving motor and gear box, 40-locking cap, 41-split semicircle, 42-driving gear, 43-gear box, 44-cross beam, 45-locking nut, 46-threaded rod, 100-light beam carrier, 101-beam body, 102-heavy beam carrier, 103-tunnel profile.
Detailed Description
An adjustable movable lifting device on a girder transporting vehicle bridge comprises a longitudinal portal frame, a portal frame lifting support system, a portal frame walking system, a portal frame opposite-pulling transverse moving system, a girder transporting vehicle lifting system and an informatization system.
As shown in fig. 1 and 2, the longitudinal door frame is divided into a left longitudinal frame and a right longitudinal frame, the longitudinal door frame comprises a main longitudinal beam 1, two ends of the main longitudinal beam 1 are connected with curved supporting beams 2, a connecting longitudinal beam 5 is connected between the curved supporting beams 2 at the two ends, the upper end of each curved supporting beam 2 is connected with a cross beam 3, a main cross beam 4 is fixed on each cross beam 3, and the main cross beams 4 of the longitudinal door frames at the left side and the right side are fixedly connected with each.
The gantry lifting support system comprises supporting legs 6 arranged at the bottom of the main longitudinal beam 1, jacks 7 are arranged inside the supporting legs 6, and a plurality of support screw rods 8 are further arranged at the bottom of the main longitudinal beam 1 at intervals.
The gantry traveling system is a lifting and steering tire 9 which is arranged in the main longitudinal beam 1.
The portal opposite-pulling transverse moving system comprises an upper opposite-pulling system 10 arranged between the left and right connecting cross beams 3 and a lower opposite-pulling system 11 hinged at two ends of the main longitudinal beam 1.
The girder transport vehicle lifting system comprises a screw hoist 12 mounted on the main beam 4.
The information system comprises a GPS positioning signal transmitting device 13 arranged on the girder transporting vehicle and a GPS positioning and receiving display system 14 arranged on the lifting equipment of the girder transporting vehicle.
The control system is composed of a control box 15 arranged on the main longitudinal beam 1 and a controller 16 arranged in the control box, wherein the controller 16 is respectively connected with the lifting device lifting system, the walking system, the lifting system and the portal opposite-pulling transverse moving system and controls the lifting system, the walking system, the lifting system and the portal opposite-pulling transverse moving system.
The hydraulic system is connected with the equipment lifting system and the walking system and controls the equipment lifting system and the walking system.
As shown in fig. 4, the main longitudinal beam 1 is of a box-shaped structure, lifting cavities 17 for mounting the supporting legs 6 and the jacks 7 are arranged at two ends of the main longitudinal beam 1, walking cavities 18 for mounting the lifting and steering tires 9 are arranged at positions 30-40 cm away from the two ends of the main longitudinal beam 1, and the walking cavities 18 are cuboids.
As shown in fig. 6, one end of the connecting beam 3 is welded and fixed on the curved support beam 2, the other end is welded with a special-shaped flange 19, the periphery of the special-shaped flange 19 is provided with reinforcing triangular iron, and one side of the special-shaped flange 19 is provided with a hinge structure 21.
As shown in fig. 7, one end of the main beam 4 is connected with the special-shaped flange 19 of the connecting beam 3 through a special-shaped flange 22, one side of the special-shaped flange 22 is connected with the special-shaped flange 19 of the connecting beam 3 through a hinge structure 21, the other end of the main beam 4 is provided with a flange 23 used for being connected with the main beam 4 of another gantry, reinforcing triangular irons are arranged around the flange 23, and a reserved hole 20 for installing the screw elevator 12 is reserved in the main beam 4.
As shown in fig. 8 and 9, the connecting longitudinal beam 5 is welded between the front and rear curved support beams 2, 2 groups of telescopic cylinders 24 are arranged on the connecting longitudinal beam 5, the telescopic cylinders 24 are connected with the main beam 4, the telescopic cylinders 24 are hinged with the connecting longitudinal beam 5 and the main beam 4, and the telescopic cylinders 24 are small-section multi-stage cylinders.
As shown in fig. 10, the landing leg 6 is a box-shaped box, the landing leg 6 is arranged in a lifting cavity 17 in the main longitudinal beam 1, a jack 7 is arranged in the landing leg 6, the lower end of the jack 7 is fixed with the bottom of the landing leg 6, and the upper end of the jack is fixed in the lifting cavity 17; support lead screw 8 independent setting, set up 7 ~ 8 under every main longitudinal.
As shown in fig. 11-15, the lifting and steering tire 9 comprises a protection box 25, 2 jacks 26 are arranged in the protection box 25, a steering shaft 29 is arranged at the bottom of the protection box 25, a wheel frame 28 is fixed on the steering shaft 29, and a tire 27 is arranged on the wheel frame 28.
As shown in fig. 16-18, the pull-up and pull-down system 10 includes a threaded rod I30, a threaded rod locking cap 31, a driving gear I32, a driving motor 33, and a gearbox 34, wherein 2 threaded rods I30 are provided, 2 threaded rods I30 pass through holes of a special-shaped flange 19 at one end of the connecting beam 3, a double-threaded rod locking cap 31 is installed at the end of each of the 2 threaded rods I30, the driving motor 33 and the gearbox 34 are installed on the connecting beam 3 and the curved supporting beam 2, the driving motor 33 is engaged with the driving gear I32 through the gearbox 34, and the driving gear I32 is sleeved on the threaded rod I30.
As shown in fig. 19 to 22, the pull-down system 11 includes an internal thread sleeve 35 hinged to one side of the main longitudinal beam 1 and a steel supporting plate 36 hinged to the main longitudinal beam 1 on the other side, an opening semicircle 41 is hinged to an end portion of the internal thread sleeve 35, a thread is arranged in the opening semicircle 41, a threaded rod II37 penetrates through a hole of the steel supporting plate 36, a locking cap 40 is installed at one end of the threaded rod II37, a driving gear II38 is sleeved on the threaded rod II37, and the driving gear II38 is meshed with a driving motor and a gearbox 39 installed on the steel supporting plate 36.
As shown in fig. 23, the screw elevator 12 includes 2 screws 46, a driving gear III42, a motor and gearbox 43, a cross beam 44 and a lock nut 45, wherein the 2 screws 46 are vertically arranged to pass through the preformed hole 20 of the main beam 4, the lock nut 45 is arranged at the lower end of the screw 46, the cross beam 44 is connected between the 2 screws 46, the driving gear II42 is installed at the top of the 2 screws 46, and the driving gear II42 is connected with the motor and gearbox 43 through a gear.
A tunnel-passing construction method for a split portal of a lifting device on an adjustable movable girder transporting bridge comprises 3 using methods.
S100, lifting the girder transporting vehicle by using a lifting device on the adjustable movable girder transporting vehicle bridge;
s101, extending the jacks 7 to enable the supporting legs 6 to be in a supporting state, and recovering the jacks 26 to enable the lifting and steering tires 9 not to be stressed;
s102, placing the support screw rod 8 below the main longitudinal beam 1 and firmly supporting;
s103, confirming that all the bolts of the flange plates of the main cross beam 4 and the main connecting cross beam 3 are firm;
s104, confirming that the pull-down counter-pulling system 11 is in a separated state and is folded towards the main longitudinal beam 1;
s105, driving the light beam transporting vehicle 100 into the lifting equipment, and longitudinally centering;
s106, removing the locking nut 45 of the screw elevator, taking down the cross beam 44, starting the driving motor and the gearbox 43, descending the screw 46 to be below two longitudinal beams of the light beam transporting vehicle 100, then installing the cross beam 44 and the locking nut 45, starting the driving motor and the gearbox 43 again, ascending the screw 46, and lifting the light beam transporting vehicle to be below the main cross beam;
s107, carrying the beam body 101 back by the heavy beam carrying vehicle 102;
s108, starting the driving motor and the gearbox 43, lowering the light beam transporting vehicle 100, releasing the locking nut 45, taking down the cross beam 44, starting the driving motor and the gearbox 43, and lifting the screw rod 46;
s109, driving away the light beam carrying vehicle.
S200, longitudinally moving a lifting device on the adjustable movable girder transporting bridge;
s201, when the beam erecting place is more and more forward along with the beam erecting progress, even when a heavy beam transporting vehicle waits for a vehicle passing by, starting an informatization system, displaying the distance and the speed between the light beam transporting vehicle and lifting equipment on a GPS positioning and receiving display system 14, and calculating to obtain the distance of the lifting equipment needing to be longitudinally moved;
s202, extending, lifting and turning to a jack 26 of the tire 9 to extend the tire;
s203, retracting the supporting screw rod 8, placing the supporting screw rod on the main longitudinal beam 1, and longitudinally moving along with the equipment;
s204, retracting the jack 7 in the supporting leg, and retracting the supporting leg 6 to enable the lifting and steering tire 9 to bear force;
s205, longitudinally moving the equipment to the calculated position;
s206, extending a jack 7 in the supporting leg, and jacking the supporting leg 6 to enable the lifting and steering tire 9 not to be stressed;
s207, placing the support screw rod 8 below the main longitudinal beam 1 and stretching and tightening;
s208, retracting the lifting jack 26 capable of lifting and steering the tire 9 to enable the tire to retract into the walking cavity 18 of the main longitudinal beam 1, so that the lifting equipment is in a working state.
S300, passing a lifting device on the adjustable movable girder transporting bridge through a tunnel;
s301, extending, lifting and steering a jack 26 of the tire 9 to extend the tire;
s302, manually turning the tire to 90 degrees;
s303, retracting the jack 7 in the supporting leg, and retracting the supporting leg 6 to enable the lifting and steering tire 9 to bear force;
s304, butting the pull-down system 11, placing the screw rod 37 into the internal thread sleeve 35, and locking the opening semicircle;
s305-loosening all flange bolts of the main beam 4;
s306, reversely starting the driving motors of the upward opposite-pulling system 10 and the downward opposite-pulling system 11 at the same time, so that the portal frame travels towards two sides, and the left main beam 4 and the right main beam 4 are separated;
s307, retracting the oil cylinder 24 to enable the main beam 4 to be folded inwards, starting the screw rod hoister 12 at the same time, descending the hoisting screw rod 46, and enabling the hoisting equipment gantry to enter a state to be pulled oppositely;
s308, a driving motor of the upward opposite-pulling system 10 and a driving motor of the downward opposite-pulling system 11 are started in the forward direction, the portal is pulled in opposite directions and centered, and the traveling speed of the driving motor and the gearbox 39 of the downward opposite-pulling system 11 is required to be the sum of the traveling speeds of the 2 groups of driving motors 33 and the gearbox 34 of the upward opposite-pulling system 10;
s309, extending the jack 7 in the supporting leg to enable the supporting leg 6 to be stressed and lift and turn the tire 9 to be lifted off the ground;
s310, rotating the lifting and steering tire 9 by 90 degrees;
s311, retracting the jack 7 in the supporting leg again, and recovering the supporting leg 6 into the lifting cavity 17 of the main longitudinal beam 1 to enable the lifting and steering tire 9 to be stressed;
s312, retracting, lifting and turning to a tire 9 jack to enable the lifting equipment to integrally descend, and enabling the tire to retract into the main beam until the main beam is 10-20 cm away from the ground;
s313, longitudinally moving the tunnel;
s314, extending, lifting and steering the tyre 9 jack to enable the lifting equipment to integrally lift;
s315, extending the jack 7 in the supporting leg, extending the supporting leg 6, and lifting the lifting and steering tire 9 off the ground;
s316, rotating the lifting and steering tire 9 by 90 degrees;
s317, retracting the jack 7 in the landing leg, retracting the landing leg 6 until the lifting and steering tire 9 supports the ground;
s318, reversely opening a driving motor of the upward counter-pulling system 10 and a driving motor of the downward counter-pulling system 11, enabling the portal to transversely move towards two sides and oppositely open until the opening width of the portal reaches the width capable of enabling the main beam 4 to return, wherein the width is larger than the working width of the portal, and the traveling speed of the driving motor of the downward counter-pulling system 11 and the transmission case 39 is required to be the combination of the traveling speeds of the 2 groups of driving motors 33 and the transmission case 34 of the upward counter-pulling system 10;
s319, extending the oil cylinder 24 to enable the main beam 4 to return outwards, starting the screw rod hoister 12 at the same time, descending the hoisting screw rod 46, and enabling the hoisting equipment portal frame to enter a state to be pulled oppositely;
s320, simultaneously, forward opening the driving motors of the upper counter-pulling system 10 and the lower counter-pulling system 11, and then counter-pulling the portal again until the left main beam 4 and the right main beam 4 are closed;
s321, fastening all flange bolts of the main beam 4;
s322, opening the semicircular opening 41 of the internal thread sleeve 35, and folding the screw rod 37 and the internal thread sleeve 35 towards the main beam 1;
s323, extending the jack 7 in the supporting leg and extending the supporting leg 6 to lift the lifting and steering tire 9 off the ground;
s324, manually turning the tire to 90 degrees;
and S325, executing a longitudinal movement process of the equipment, and reaching a working state after the lifting equipment reaches the calculated position of the light and heavy beam carrier vehicle for the vehicle passing by.
The application is practical:
newly building a new lianyuankang to Xuzhou railway main track passing through lianyuankang and Xuzhou cities in Jiangsu province; wherein the line length in the Lianyun harbor city is 53.982km, and passes through the Haizhou region and the east-sea county; the length of the line in Xuzhou city is 126.045km, and the line passes through a new Yizhou city, an interior Sedum city, a copper mountain area and an economic development area. The total length of the main line is 180.027km, the right line is wound by 2.352km, and the total length of the extra-large and large medium bridges (beam bridges) is 25 seats 161.86km, which accounts for 88.9 percent of the total length of the line. Erecting 761-hole box girders of a State extratute grand bridge in a standard section of a twelve Central iron office group continuous Xuxu railway LXZQ-IV, wherein 732 holes are erected by the box girders with the span of 31.5m, and 29 holes are erected by the box girders with the span of 23.5 m; construction mileage: DK125+094.80-DK151+ 050.01.
The method is characterized in that a twelve-department group continuous creep railway LXZQ-IV standard section bridge of a medium-speed railway has a high occupation ratio, a large number of simply supported box girders and large girder sections and dead weight, and has high requirements on construction machinery, a girder yard is mainly adopted for centralized prefabrication and transportation by girder transport vehicles, the girder yard is arranged near the center of a line, the minimum mileage furthest transport distance can reach 20km, in order to ensure the construction quality, progress and cost of the overall engineering of the standard section and improve the construction efficiency of box girder erection, the twelve-department group of the medium-speed railway adopts a 2 transport +1 frame scheme (2 girder transport vehicles +1 bridge girder erection machine scheme), an adjustable movable girder transport vehicle lifting device is used for lifting a light girder transport vehicle on the bridge, the lower part of the light girder transport vehicle passes through a heavy girder transport vehicle, the progress of the girder is improved, one-pass simulation is carried out, and the section is smaller than the section of the tunnel section.
Claims (10)
1. The utility model provides a hoisting device on adjustable portable fortune roof beam bridge which characterized in that: comprises a longitudinal portal, a portal lifting support system, a portal walking system, a portal opposite-pulling transverse moving system, a beam transporting vehicle lifting system and an informatization system,
the longitudinal portal is divided into a left portal and a right portal, the longitudinal portal comprises a main longitudinal beam (1), two ends of the main longitudinal beam (1) are connected with curved supporting beams (2), a connecting longitudinal beam (5) is connected between the curved supporting beams (2) at the two ends, the upper end of each curved supporting beam (2) is connected with a cross beam (3), the main cross beam (4) is fixed on each cross beam (3), and the main cross beams (4) of the longitudinal portals at the left side and the right side are mutually and fixedly connected;
the gantry lifting support system comprises support legs (6) arranged at the bottom of the main longitudinal beam (1), jacks (7) are mounted in the support legs (6), and a plurality of support screw rods (8) are further arranged at the bottom of the main longitudinal beam (1) at intervals;
the gantry traveling system is a lifting and steering tire (9) which is arranged in the main longitudinal beam (1);
the portal opposite-pulling transverse moving system comprises an upper opposite-pulling system (10) arranged between the left and right connecting cross beams (3) and a lower opposite-pulling system (11) hinged to two ends of the main longitudinal beam (1);
the lifting system of the beam transporting vehicle comprises a screw rod lifter (12) arranged on the main cross beam (4);
the information system comprises a GPS positioning signal transmitting device (13) arranged on the girder transporting vehicle and a GPS positioning and receiving display system (14) arranged on the lifting equipment of the girder transporting vehicle.
2. The adjustable mobile bridge-transporting lifting device of claim 1, wherein: the main longitudinal beam (1) is of a box-type structure, lifting cavities (17) used for mounting supporting legs (6) and jacks (7) are arranged at two ends of the main longitudinal beam (1), walking cavities (18) used for mounting lifting and steering tires (9) are arranged at the positions 30-40 cm away from two ends of the main longitudinal beam (1), and the walking cavities (18) are cuboids.
3. The adjustable mobile bridge-transporting lifting device of claim 2, wherein: one end of the connecting beam (3) is welded and fixed on the curved supporting beam (2), the other end of the connecting beam is welded with a special-shaped flange (19), reinforcing triangular iron is arranged around the special-shaped flange (19), and a hinge structure (21) is arranged on one side of the special-shaped flange (19).
4. The adjustable mobile bridge lifting apparatus of claim 3, wherein: one end of the main beam (4) is connected with a special-shaped flange (19) of the connecting beam (3) through a special-shaped flange (22), one side of the special-shaped flange (22) is connected with the special-shaped flange (19) of the connecting beam (3) through a hinge structure (21), the other end of the main beam (4) is provided with a flange (23) which is used for being connected with the main beam (4) of another gantry, reinforcing triangular iron is arranged around the flange (23), and a reserved hole (20) for installing the screw elevator (12) is reserved in the main beam (4).
5. The adjustable mobile bridge lifting apparatus of claim 4, wherein: connect longeron (5) weld between front and back bent type supporting beam (2), set up 2 groups telescopic cylinder (24) on connecting longeron (5), telescopic cylinder (24) link to each other with main beam (4), telescopic cylinder (24) are articulated with connecting longeron (5) and main beam (4), telescopic cylinder (24) are small cross-section multistage hydro-cylinder.
6. The adjustable mobile bridge lifting apparatus of claim 5, wherein: the supporting legs (6) are box-shaped boxes, the supporting legs (6) are arranged in lifting cavities (17) in the main longitudinal beams (1), jacks (7) are arranged in the supporting legs (6), the lower ends of the jacks (7) are fixed to the bottoms of the supporting legs (6), and the upper ends of the jacks are fixed in the lifting cavities (17); the support screw rods (8) are independently arranged, and 7-8 main longitudinal beams are arranged below each main longitudinal beam.
7. The adjustable mobile bridge lifting apparatus of claim 6, wherein: liftable and turn to tire (9) including protection box (25), be provided with 2 jack (26) in protection box (25), steering shaft (29) are installed to protection box (25) bottom, fixed wheel frame (28) on steering shaft (29), install tire (27) on wheel frame (28).
8. The adjustable mobile bridge lifting apparatus of claim 7, wherein: the upward opposite-pulling system (10) comprises a threaded rod I (30), threaded rod locking caps (31), a driving gear I (32), a driving motor (33) and a gearbox (34), wherein 2 threaded rods I (30) are arranged, 2 threaded rods I (30) penetrate through holes of a special-shaped flange (19) at one end of a connecting beam (3), double-threaded rod locking caps (31) are installed at the end parts of the 2 threaded rods I (30), the driving motor (33) and the gearbox (34) are installed on the connecting beam (3) and a curved supporting beam (2), the driving motor (33) is meshed and connected with the driving gear I (32) through the gearbox (34), and the driving gear I (32) is sleeved on the threaded rods I (30);
lower counter-pull system (11) including articulate in internal thread sleeve (35) of main longeron (1) one side and articulate steel layer board (36) on opposite side main longeron (1), the tip of internal thread sleeve (35) articulates there is opening semicircle (41), be equipped with the screw thread in opening semicircle (41), threaded rod II (37) wear to be equipped with in the downthehole of steel layer board (36), threaded rod II (37) one end installation locking cap (40), threaded rod II (37) go up the cover have drive gear II (38), drive gear II (38) with install driving motor and gearbox (39) meshing connection at steel layer board (36).
9. The adjustable mobile bridge lifting apparatus of claim 8, wherein: screw rod lifting machine (12) include 2 screw rods (46), drive gear III (42), motor and gearbox (43), cross arm roof beam (44) and lock nut (45), 2 screw rods (46) are arranged perpendicularly and are passed preformed hole (20) of main beam (4), screw rod (46) lower extreme sets up lock nut (45), connect cross arm roof beam (44) between 2 screw rods (46), 2 screw rod (46) top installation drive gear II (42), drive gear II (42) are connected with motor and gearbox (43) through the gear.
10. The opposite-sliding portal tunneling construction method for the lifting device on the adjustable mobile girder transporting bridge, according to claim 9, is characterized in that: comprises 3 using methods of the medicine composition,
s100, lifting the girder transporting vehicle by using a lifting device on the adjustable movable girder transporting vehicle bridge;
s101, extending the jacks (7), enabling the supporting legs (6) to be in a supporting state, and recovering the jacks (26) to enable the lifting and steering tires (9) not to be stressed;
s102, placing a support screw rod (8) below a main longitudinal beam (1) and firmly supporting;
s103, confirming that all the bolts of the flange plates of the main cross beam (4) and the main connecting cross beam (3) are firm;
s104, confirming that the pull-down counter-pulling system (11) is in a separated state and is folded towards the main longitudinal beam (1);
s105, driving the light beam carrying vehicle (100) into the lifting equipment, and longitudinally centering;
s106, releasing a locking nut (45) of the screw rod lifter, taking down a cross beam (44), starting a driving motor and a gearbox (43), descending a screw rod (46) to be below two longitudinal beams of the light beam transporting vehicle (100), then installing the cross beam (44) and the locking nut (45), starting the driving motor and the gearbox (43) again, ascending the screw rod (46), and lifting the light beam transporting vehicle to be below a main cross beam;
s107, carrying the beam body (101) back by the heavy beam carrying vehicle (102) to pass through;
s108, starting the driving motor and the gearbox (43) for the second time, lowering the light beam transporting vehicle (100), releasing the locking nut (45), taking down the cross beam (44), starting the driving motor and the gearbox (43), and lifting the screw (46);
s109, driving away the light beam transport vehicle;
s200, longitudinally moving a lifting device on the adjustable movable girder transporting bridge;
s201, when the beam erecting place is more and more forward along with the beam erecting progress, even when a heavy beam transporting vehicle waits for a vehicle passing by, starting an informatization system, displaying the distance and the speed between the light beam transporting vehicle and the lifting equipment on a GPS positioning and receiving display system (14), and calculating to obtain the distance of the lifting equipment needing to be longitudinally moved;
s202, extending, lifting and steering a jack (26) of the tire (9) to extend the tire;
s203, a retracting support screw rod (8) is placed on the main longitudinal beam (1) and longitudinally moves along with the equipment;
s204, retracting the jack (7) in the supporting leg, and retracting the supporting leg (6) to enable the lifting and steering tire (9) to be stressed;
s205, longitudinally moving the equipment to the calculated position;
s206, extending a jack (7) in the supporting leg, and jacking the supporting leg (6) to enable the lifting and steering tire (9) not to be stressed;
s207, placing the support screw rod (8) below the main longitudinal beam (1) and stretching and tightening;
s208, retracting a jack (26) capable of lifting and steering a tire (9) to enable the tire to retract into a walking cavity (18) of the main longitudinal beam (1) and enable the lifting equipment to reach a working state;
s300, passing a lifting device on the adjustable movable girder transporting bridge through a tunnel;
s301, extending, lifting and steering a jack (26) of the tire (9) to extend the tire;
s302, manually turning the tire to 90 degrees;
s303, retracting a jack (7) in the supporting leg, and retracting the supporting leg (6) to enable the lifting and steering tire (9) to be stressed;
s304, butting the pull-down system (11), placing the screw rod (37) into the internal thread sleeve (35), and locking the opening semicircle;
s305-loosening all flange bolts of the main beam (4);
s306, reversely starting driving motors of the upward opposite-pulling system (10) and the downward opposite-pulling system (11) at the same time to enable the portal frame to move towards two sides, and separating the left main beam from the right main beam (4);
s307, retracting the oil cylinder (24), enabling the main beam (4) to be folded inwards, simultaneously starting the screw rod lifter (12), descending the lifting screw rod (46), and enabling the lifting equipment gantry to enter a to-be-oppositely-pulled state;
s308, a driving motor of the upward opposite-pulling system (10) and a driving motor of the downward opposite-pulling system (11) are started in the forward direction, the portal is pulled in opposite directions and centered, and the traveling speed of the driving motor and the gearbox (39) of the downward opposite-pulling system (11) is the combination of the traveling speed of 2 groups of driving motors (33) and the gearbox (34) of the upward opposite-pulling system (10);
s309, extending the jack (7) in the supporting leg to enable the supporting leg (6) to be stressed, and lifting and steering the tire (9) to lift off the ground;
s310, rotating the lifting and steering tire (9) by 90 degrees;
s311, retracting the jack (7) in the landing leg again, and recovering the landing leg (6) into the lifting cavity (17) of the main longitudinal beam (1) to enable the lifting and steering tire (9) to be stressed;
s312, retracting a lifting and steering tire (9) jack to enable the lifting equipment to integrally descend, and enabling the tire to retract into the main beam until the main beam is 10-20 cm away from the ground;
s313, longitudinally moving the tunnel;
s314, extending, lifting and steering a tire (9) jack to enable the lifting equipment to integrally lift;
s315, extending the jack (7) in the supporting leg, extending the supporting leg (6), and lifting the lifting and steering tire (9) to leave the ground;
s316, rotating the lifting and steering tire (9) by 90 degrees;
s317, retracting a jack (7) in the landing leg, retracting the landing leg (6) until the lifting and steering tire (9) supports the ground;
s318, reversely opening a driving motor of the upward opposite-pulling system (10) and a driving motor of the downward opposite-pulling system (11) to enable the portal to transversely move towards two sides and oppositely open until the opening width of the portal reaches the width capable of enabling the main beam (4) to return, wherein the width is larger than the working width of the portal, and the walking speed of the driving motor and the gearbox (39) of the downward opposite-pulling system (11) is required to be the combination of the walking speed of 2 groups of driving motors (33) and the gearbox (34) of the upward opposite-pulling system (10);
s319, extending the oil cylinder (24), enabling the main beam (4) to return outwards, starting the screw rod lifter (12), descending the lifting screw rod (46), and enabling the lifting equipment gantry to enter a to-be-pulled state;
s320, simultaneously, forward opening driving motors of the upper opposite-pulling system (10) and the lower opposite-pulling system (11), and oppositely pulling the door frame again until the left main beam (4) and the right main beam (4) are closed;
s321, fastening all flange bolts of the main beam (4);
s322, opening a semicircular opening (41) of the internal thread sleeve (35), and folding the screw rod (37) and the internal thread sleeve (35) towards the main beam (1);
s323, extending a jack (7) in the supporting leg, extending the supporting leg (6) and enabling the lifting and steering tire (9) to lift off the ground;
s324, manually turning the tire to 90 degrees;
and S325, executing a longitudinal movement process of the equipment, and reaching a working state after the lifting equipment reaches the calculated position of the light and heavy beam carrier vehicle for the vehicle passing by.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911281893.0A CN110924310B (en) | 2019-12-13 | 2019-12-13 | Adjustable movable lifting device on girder transporting bridge and opposite-pulling portal tunnel crossing construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911281893.0A CN110924310B (en) | 2019-12-13 | 2019-12-13 | Adjustable movable lifting device on girder transporting bridge and opposite-pulling portal tunnel crossing construction method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN110924310A true CN110924310A (en) | 2020-03-27 |
| CN110924310B CN110924310B (en) | 2021-07-02 |
Family
ID=69859622
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201911281893.0A Active CN110924310B (en) | 2019-12-13 | 2019-12-13 | Adjustable movable lifting device on girder transporting bridge and opposite-pulling portal tunnel crossing construction method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110924310B (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113832869A (en) * | 2020-06-23 | 2021-12-24 | 青岛同创旷远企业发展有限公司 | Urban overhead integrated operation process and assembly based on bridge-turning process |
| CN115787513A (en) * | 2022-11-28 | 2023-03-14 | 中铁四局集团有限公司 | Continuous beam cantilever bridge fabrication machine walking device and walking method |
Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200949015Y (en) * | 2006-09-15 | 2007-09-19 | 穆守信 | Hydraulic up-down hoisting weight carrier |
| CN101450774A (en) * | 2007-12-07 | 2009-06-10 | 上海梅林正广和股份有限公司 | Lifting device for screw rod hoister |
| CN201301175Y (en) * | 2008-09-19 | 2009-09-02 | 北京万桥兴业机械有限公司 | Deformation type transporter |
| CN201317627Y (en) * | 2009-02-26 | 2009-09-30 | 中铁十二局集团有限公司 | Double nose girder bridging machine |
| CN101597016A (en) * | 2008-05-30 | 2009-12-09 | 科尔玛工业公司 | Standdle carrier |
| KR20100003462A (en) * | 2008-07-01 | 2010-01-11 | (주) 대산개발 | Transporting device for girder beam |
| CN201580915U (en) * | 2010-01-22 | 2010-09-15 | 中铁十七局集团有限公司 | Tyre-type gantry crane |
| KR200456006Y1 (en) * | 2011-05-06 | 2011-10-07 | 맹수영 | A prefabricated gantry crane which is possessed of a girder support portion |
| CN204607411U (en) * | 2015-05-04 | 2015-09-02 | 武汉通联路桥机械技术有限公司 | Closely spaced hoisting overhead travelling crane can be crossed |
| CN105970833A (en) * | 2016-07-01 | 2016-09-28 | 北京中铁建北方路桥工程有限公司 | Precast segment span-by-span assembling bridge fabrication machine |
| CN206088852U (en) * | 2016-10-27 | 2017-04-12 | 苏州大方特种车股份有限公司 | Hoist is laid to tunnel track |
| CN207192620U (en) * | 2017-09-22 | 2018-04-06 | 郑州新大方重工科技有限公司 | A kind of crane gear |
| CN108049379A (en) * | 2018-01-24 | 2018-05-18 | 中国水利水电第七工程局有限公司 | A kind of type variable stretches traversing reinforcement trolley |
| CN108560427A (en) * | 2018-05-29 | 2018-09-21 | 中铁工程机械研究设计院有限公司 | Folding telescopic crosses supporting leg and its applying step in tunnel Bridge Erector |
| CN208413686U (en) * | 2018-07-25 | 2019-01-22 | 河南正大起重设备有限公司 | A kind of lifting beam machine becoming span |
| CN208517823U (en) * | 2018-05-29 | 2019-02-19 | 中铁工程机械研究设计院有限公司 | Folding telescopic crosses supporting leg in tunnel Bridge Erector |
| CN109356031A (en) * | 2018-11-19 | 2019-02-19 | 北京城建道桥建设集团有限公司 | Rail transit elevated bridge face, which is given another the right of way, transports Liangping platform and its method |
| CN208617225U (en) * | 2018-07-10 | 2019-03-19 | 河南省中原奥起实业有限公司 | A kind of double girder tired beam lifts |
| CN209178835U (en) * | 2018-11-19 | 2019-07-30 | 北京城建道桥建设集团有限公司 | Rail transit elevated bridge face beam car is given another the right of way platform |
-
2019
- 2019-12-13 CN CN201911281893.0A patent/CN110924310B/en active Active
Patent Citations (19)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN200949015Y (en) * | 2006-09-15 | 2007-09-19 | 穆守信 | Hydraulic up-down hoisting weight carrier |
| CN101450774A (en) * | 2007-12-07 | 2009-06-10 | 上海梅林正广和股份有限公司 | Lifting device for screw rod hoister |
| CN101597016A (en) * | 2008-05-30 | 2009-12-09 | 科尔玛工业公司 | Standdle carrier |
| KR20100003462A (en) * | 2008-07-01 | 2010-01-11 | (주) 대산개발 | Transporting device for girder beam |
| CN201301175Y (en) * | 2008-09-19 | 2009-09-02 | 北京万桥兴业机械有限公司 | Deformation type transporter |
| CN201317627Y (en) * | 2009-02-26 | 2009-09-30 | 中铁十二局集团有限公司 | Double nose girder bridging machine |
| CN201580915U (en) * | 2010-01-22 | 2010-09-15 | 中铁十七局集团有限公司 | Tyre-type gantry crane |
| KR200456006Y1 (en) * | 2011-05-06 | 2011-10-07 | 맹수영 | A prefabricated gantry crane which is possessed of a girder support portion |
| CN204607411U (en) * | 2015-05-04 | 2015-09-02 | 武汉通联路桥机械技术有限公司 | Closely spaced hoisting overhead travelling crane can be crossed |
| CN105970833A (en) * | 2016-07-01 | 2016-09-28 | 北京中铁建北方路桥工程有限公司 | Precast segment span-by-span assembling bridge fabrication machine |
| CN206088852U (en) * | 2016-10-27 | 2017-04-12 | 苏州大方特种车股份有限公司 | Hoist is laid to tunnel track |
| CN207192620U (en) * | 2017-09-22 | 2018-04-06 | 郑州新大方重工科技有限公司 | A kind of crane gear |
| CN108049379A (en) * | 2018-01-24 | 2018-05-18 | 中国水利水电第七工程局有限公司 | A kind of type variable stretches traversing reinforcement trolley |
| CN108560427A (en) * | 2018-05-29 | 2018-09-21 | 中铁工程机械研究设计院有限公司 | Folding telescopic crosses supporting leg and its applying step in tunnel Bridge Erector |
| CN208517823U (en) * | 2018-05-29 | 2019-02-19 | 中铁工程机械研究设计院有限公司 | Folding telescopic crosses supporting leg in tunnel Bridge Erector |
| CN208617225U (en) * | 2018-07-10 | 2019-03-19 | 河南省中原奥起实业有限公司 | A kind of double girder tired beam lifts |
| CN208413686U (en) * | 2018-07-25 | 2019-01-22 | 河南正大起重设备有限公司 | A kind of lifting beam machine becoming span |
| CN109356031A (en) * | 2018-11-19 | 2019-02-19 | 北京城建道桥建设集团有限公司 | Rail transit elevated bridge face, which is given another the right of way, transports Liangping platform and its method |
| CN209178835U (en) * | 2018-11-19 | 2019-07-30 | 北京城建道桥建设集团有限公司 | Rail transit elevated bridge face beam car is given another the right of way platform |
Non-Patent Citations (1)
| Title |
|---|
| 谢大文: "《在线路纵坡大半径小条件下的架桥施工技术》", 《建设机械技术与管理》 * |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113832869A (en) * | 2020-06-23 | 2021-12-24 | 青岛同创旷远企业发展有限公司 | Urban overhead integrated operation process and assembly based on bridge-turning process |
| CN113832869B (en) * | 2020-06-23 | 2024-05-24 | 青岛市市政建设发展有限公司 | Urban overhead construction combination method |
| CN115787513A (en) * | 2022-11-28 | 2023-03-14 | 中铁四局集团有限公司 | Continuous beam cantilever bridge fabrication machine walking device and walking method |
| CN115787513B (en) * | 2022-11-28 | 2023-10-13 | 中铁四局集团有限公司 | Running device and running method of continuous beam cantilever bridge fabrication machine |
Also Published As
| Publication number | Publication date |
|---|---|
| CN110924310B (en) | 2021-07-02 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103452052B (en) | Movable mold hanging equipment for closing swivel bridges and closure section construction method | |
| CN104594918B (en) | Split integrated underground passage steel mold plate trolley and construction method thereof | |
| CN107558378B (en) | Bridge girder erection machine for erecting full precast girder and bridge girder erection method thereof | |
| CN109914166B (en) | Urban rail scattered paving method mechanized construction equipment and construction method thereof | |
| CN107956487B (en) | Automatic inner formwork equipment suitable for pipe gallery construction and construction method thereof | |
| CN100572673C (en) | Span continuous beam bridge fabrication machine in a kind of | |
| CN104612718A (en) | Supporting trolley for overlapped shield tunnel construction and supporting trolley system | |
| CN102230381B (en) | Hollow needle beam lining trolley | |
| CN111852521B (en) | Mouth-shaped piece assembling trolley for construction of internal structure of large-section shield tunnel and synchronous construction method | |
| CN110924310B (en) | Adjustable movable lifting device on girder transporting bridge and opposite-pulling portal tunnel crossing construction method | |
| CN212388270U (en) | Dual-purpose track laying machine for highway and railway of urban rail transit engineering | |
| CN211762304U (en) | Self-propelled hydraulic integral T-beam template device | |
| CN211397597U (en) | Template trolley and tunnel construction vehicle set | |
| CN110158486B (en) | Bridge girder erection machine for erecting spliced wide beams and construction method | |
| CN108625270A (en) | Nose girder gantry crane installs bridge prefabrication box girder construction method | |
| CN108149589B (en) | Bridge girder erection machine with large span and tunnel box girder | |
| CN101117794A (en) | High-altitude framework type simple plate supporting machine | |
| CN2937233Y (en) | Midspan continuous beam bridge building machine | |
| CN207775719U (en) | A kind of Bridge Erector for setting up full precast beam | |
| CN111733872B (en) | Pipe gallery construction method | |
| CN112458912A (en) | Walking type trolley and installation method and construction method thereof | |
| CN212639881U (en) | Adjustable movable lifting device on girder transporting vehicle bridge | |
| CN217072831U (en) | Self-positioning and walking template moving trolley for prefabricating hollow pier stud | |
| CN106087763B (en) | It is a kind of to cross the double girder rubber-tyred railway T-girder bridge girder erections of tunnel type and bridging method | |
| CN210738584U (en) | Space rigid frame trolley suitable for existing line crossing construction |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |