CN208792174U - A kind of Bridge Erector - Google Patents
A kind of Bridge Erector Download PDFInfo
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- CN208792174U CN208792174U CN201821072206.5U CN201821072206U CN208792174U CN 208792174 U CN208792174 U CN 208792174U CN 201821072206 U CN201821072206 U CN 201821072206U CN 208792174 U CN208792174 U CN 208792174U
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Abstract
A kind of entitled Bridge Erector of the utility model.Belong to bridge erection technical field.It is mainly to provide a kind of New-Type Bridge Girder Erection Machine and its beam erecting method without lower nose girder.Being mainly characterized by comprising: for it includes girder, front leg strut, auxiliary leg, rear support leg, preceding trolley, rear trolley, lifting mechanism, hydraulic system and electrical system；Girder lower part is equipped with track along longitudinal direction, and front leg strut upper end is equipped with train out of shape, and train out of shape and track form longitudinal roll and cooperate；It is hinged in the middle part of auxiliary leg upper end and girder, turnover mechanism is equipped between auxiliary leg and girder；Rear support leg is enclosed type leg structure, and top is fixedly connected with girder；Lifting mechanism forms hoisting system of setting a roof beam in place by wirerope with preceding hoisting overhead travelling crane, rear hoisting overhead travelling crane.The utility model has the characteristics that need to configure lower nose girder, becomes Bridge Erector across being fused to the Bridge Erector that same process, applicability are stronger, are mainly used for tunnel and are used cooperatively with low level beam car with via hole operation.
Description
Technical field
The utility model belongs to bridge erection technical field, and in particular to a kind of New-Type Bridge Girder Erection Machine.
Background technique
Currently, existing Bridge Erector is made of host and lower nose girder, operation of setting a roof beam in place needs to support by huge lower nose girder
Just achievable, since lower launching nose length is long, weight is big, needs that assistant crown block is arranged in crane's major girder front end, by assistant crown block
Lower nose girder is sling with auxiliary leg and completes via hole, and the type Bridge Erector operation procedure is many and diverse, inefficiency, safety are poor.It is existing
Bridge Erector in complete machine height it is high, especially rear support leg Support Position height is high, for crossing the low level beam car feeding beam in tunnel, needs
Auxiliary device, which is arranged, can complete feeding beam operation.
Summary of the invention
The technical problem to be solved by the present invention is to provide a kind of New-Type Bridge Girder Erection Machines without lower nose girder.The Bridge Erector need not
Lower nose girder is set, via hole, operation of setting a roof beam in place can be completed.The auxiliary leg of configuration changes the via hole mode of Bridge Erector, makes to build bridge
Machine becomes across being fused to same process with via hole operation, and when Bridge Erector via hole, which completes, to be become across so that Bridge Erector operating efficiency is big
It is big to improve.
The technical solution of the utility model is: a kind of Bridge Erector, including girder are successively mutually tied with girder from front to back
Front leg strut, auxiliary leg and the rear support leg of conjunction, and be mounted on girder preceding trolley, rear trolley, lifting mechanism,
Hydraulic system and electrical system, the preceding hoisting overhead travelling crane, rear hoisting overhead travelling crane are mounted on girder upper inner track, and feature exists
In: the girder lower part is equipped with track along longitudinal direction, and front leg strut upper end is equipped with train out of shape, and train out of shape and track form longitudinal rolling
Dynamic cooperation；It is hinged in the middle part of the auxiliary leg upper end and girder, turnover mechanism is equipped between auxiliary leg and girder；Branch after described
Leg is enclosed type leg structure, and top is fixedly connected with girder；The lifting mechanism and preceding hoisting overhead travelling crane, rear hoisting overhead travelling crane pass through steel
Cord forms hoisting system of setting a roof beam in place.
Front leg strut described in the technical solution of the utility model further includes shoulder pole girder, scalable column, jacking oil
Cylinder, laterally urges mechanism and bearing beam at thrust articulated bearing；Two scalable columns connect into frame by the stand column and beam between it
Frame；Train out of shape includes train pedestal, preceding tugboat seat and rear dragging wheel seat, and train pedestal includes base crossbeam and along base crossbeam two
Longitudinally projecting pedestal stringer is held, two rear dragging wheel seats are separately mounted to the both ends of base crossbeam, and two preceding tugboat seats are pacified respectively
Mounted in the outer end of pedestal stringer, the bottom of base crossbeam was connected to the shoulder pole girder for being fixed on scalable the upper end of the column connects steel pin hinge
It connects；Preceding tugboat seat be equipped with preceding tugboat system, rear dragging wheel seat be equipped with rear dragging wheel system, preceding tugboat system, rear dragging wheel system with
Track forms longitudinal roll and cooperates；Jacking cylinder is arranged between stand column and beam and pedestal stringer；The lower pillar stand crossbeam of frame is logical
It crosses three thrust articulated bearings and laterally urges mechanism and connect with bearing beam.
Auxiliary leg described in the technical solution of the utility model includes two telescopic columns, each column
Upper pillar stand, lower pillar stand and support cylinder with are constituted, and support cylinder is connected between upper pillar stand and lower pillar stand；Upper pillar stand
Upper end passes through pin shaft and main beam pivot；Turnover mechanism includes upper overturning oil cylinder and lower overturning oil cylinder, and upper overturning oil cylinder is connected to
Between the upper end of the column and girder, lower overturning oil cylinder is connected to lower pillar stand lower end and adjusts between support；Adjust the installation of support lower part
There is telescopic oil cylinder.
Rear support leg described in the technical solution of the utility model includes being distinguished by saddle beam, the inner crest face on top
After two rear support leg upper beams being connect with saddle beam both ends, two connect respectively with two rear support leg upper beam outside bottom surfaces
The O-shaped leg structure of closing that supporting leg curved beam, the rear support leg lower beam being connected between two rear support leg curved beams are constituted；It is horizontal under rear support leg
Beam both ends bottom, which is respectively equipped with, is equipped with hydraulic force equalization mechanism with rear support leg mechanism out of shape, rear support leg mechanism out of shape；Two rear support legs
Vertical overturning oil cylinder is equipped between upper beam lateral surface and left and right rear support leg curved beam 4c；It is on the outside of left and right rear support leg upper beam and main
Lateral overturning oil cylinder is equipped between beam；It is bolted between two rear support leg upper beam medial surfaces and girder.
Preceding hoisting overhead travelling crane described in the technical solution of the utility model and rear hoisting overhead travelling crane are separately mounted to girder
Front-rear position；All include the sprocket wheel vertical shift system being mounted on two siding track of girder, is movably arranged on the low level of bottom of frame
Heavy shift unit is fixedly mounted on the raising train of frame interior, the suspender connecting through wirerope with raising train；Before girder
End is equipped with support frame, the support frame and preceding hoisting overhead travelling crane, rear hoisting overhead travelling crane and lifting mechanism and forms 3 points of liftings by wirerope,
4 balance systems.
Low level heavy type shift unit described in the technical solution of the utility model is connected with vehicle frame by vertical pin shaft
It connects；Low level heavy type shift unit top is equipped with sliding bearing.
Girder described in the technical solution of the utility model is variable cross-section box type beam, parallel including two longitudinal directions
Box beam, there are two horizontal connection beams for connection between two box beams；Adjusting support is L-type.
Compared with prior art, biggest advantage and projecting point are the utility model: 1, without configuring lower nose girder
It realizes that Bridge Erector via hole is set a roof beam in place operation, keeps complete machine structure light and handy, it is easy to operate；2, the design of auxiliary leg changes traditional frame
The via hole mode of bridge machine becomes Bridge Erector across same process is fused to via hole operation, and it is convenient to construct, and greatly improves construction effect
Rate；3, rear support leg configures 4 great tonnage hydraulic oil cylinders and carries out the traditional mechanical force equalization mechanism of hydraulic balanced substitution, can be greatly reduced
Limitation of traditional rear supporting leg of bridge erecting machine to feeding beam height, meets the requirement of feeding beam in tunnel, applicability is stronger；4, forward and backward
The running mechanism of weight trolley is low level heavy type body transporting unit, and walking line mode and traction mechanism and beam car, to carry beam trolley accessory on the back consistent,
Synchronism is easily controllable, and effectively reduces the height space of complete machine, it is ensured that in tunnel and the limited space conditions of tunnel face
Under take beam.
The Bridge Erector that the utility model was mainly used for tunnel and was used cooperatively with low level beam car.
Detailed description of the invention
Fig. 1 is the main view of Bridge Erector of the present invention.
Fig. 2 is front leg strut position cross-sectional view in Fig. 1.
Fig. 3 is auxiliary leg position cross-sectional view in Fig. 1.
Fig. 4 is rear support leg position cross-sectional view in Fig. 1.
Fig. 5 is preceding overweight small truck position cross-sectional view in Fig. 1.
Fig. 6 is the main view of front leg strut.
Fig. 7 is the left view of front leg strut.
Fig. 8 is the main view of auxiliary leg.
Fig. 9 is the left view of auxiliary leg.
Figure 10 is the main view of rear support leg.
Figure 11 is the left view of rear support leg.
Figure 12 is the main view of preceding trolley.
Figure 13 is that the present invention prepares the standard construction process figure set a roof beam in place.
Figure 14 is the standard construction process figure of the present invention dilatory feeding beam synchronous with beam car.
Figure 15 is the standard construction process figure of the forward and backward trolley hanging beam of the present invention.
Figure 16 is that the present invention completes to fall the standard construction process figure of beam.
Figure 17 is that auxiliary leg of the present invention is overturn to the via hole construction process figure of bridge floor.
Figure 18 is the via hole construction process figure that front leg strut of the present invention comes to nothing.
Figure 19 is the via hole construction process figure that front leg strut of the present invention to front bridge pier supports.
Figure 20 is the via hole construction process figure that state to be set a roof beam in place was completed and be in via hole of the present invention.
Marked in the figure: 1. girders；2. front leg strut；2a. rear dragging wheel system；Tugboat system before 2b.；2c. steel pin；2d.
Shoulder pole girder；2e. telescopic column；2f. lower pillar stand crossbeam；2g. bearing beam；2h. transverse-moving mechanism；3. auxiliary leg；3a. is vertical
Column；3b. pin shaft；The upper overturning oil cylinder of 3c.；3d. support cylinder；Overturning oil cylinder under 3e；3f. adjusts support；4. rear support leg；
4a. saddle beam；4b. rear support leg upper beam；4c. rear support leg curved beam；4d. rear support leg lower beam；The hydraulic force equalization mechanism of 4e.；
4f. rear support leg mechanism out of shape；4g. track out of shape；The vertical overturning oil cylinder of 4h.；Trolley before 5.；5a. low level heavy type is moved
Dynamic device；5b. vehicle frame；5c. wirerope；5d. raising train；The vertical pin shaft of 5e.；5f. sliding bearing；5g. sprocket wheel is vertical
Shifting system；5h. suspender；Trolley after 6.；7. lifting mechanism；8. hydraulic system；9. electrical system.
Specific embodiment
The invention will be further described with reference to the accompanying drawing.
As Figure 1-Figure 5, Bridge Erector of the invention includes girder 1, the preceding branch successively combined from front to back with girder 1
Leg 2, auxiliary leg 3, rear support leg 4, and the preceding trolley 5, rear trolley 6, the lifting mechanism 7, liquid that are mounted on girder 1
Pressure system 8 and electrical system 9.Wherein, girder 1 is made of two parallel box beams in longitudinal direction, and there are two horizontal between two box beams
Connection beam link together, girder 1 be variable cross-section box type beam.Front leg strut 2 is movable supporting legs, passes through train out of shape and girder 1
The track of lower section forms longitudinal roll and cooperates.Auxiliary leg 3 is temporary support leg, hinged with girder 1, is realized by turnover mechanism
Wide-angle overturning.Rear support leg 4 is the fixed supporting leg for also serving as power source out of shape, and top is fixedly connected with girder 1, with girder 1 rear
End forms enclosed type leg structure.Preceding hoisting overhead travelling crane 5, rear hoisting overhead travelling crane 6 are mounted on the girder upper inner track of left and right, lifting machine
Structure 7 and preceding hoisting overhead travelling crane 5, rear hoisting overhead travelling crane 6 and 1 end of girder, which are supported, forms hoisting system of completely setting a roof beam in place by wirerope.
As shown in Figure 6, Figure 7, front leg strut 1 is inverted triangle structure, further includes shoulder pole girder 2d, scalable column 2e, jacking oil
Cylinder, thrust articulated bearing laterally urge mechanism 2h and bearing beam 2g.Two scalable column 2e are connected by the stand column and beam between it
It is connected into frame.Train out of shape includes preceding tugboat system 2b and rear dragging wheel system 2a, and tugboat system includes train pedestal, preceding tugboat seat
With rear dragging wheel seat, train pedestal includes base crossbeam and the pedestal stringer longitudinally projecting along base crossbeam both ends, tugboat after two
Seat is separately mounted to the both ends of base crossbeam, and two preceding tugboat seats are separately mounted to the outer end of pedestal stringer, the bottom of base crossbeam
Portion was connected to that meet steel pin 2c hinged with the shoulder pole girder 2d for being fixed on the upper end scalable column 2e.Preceding tugboat seat is equipped with preceding tugboat,
Rear dragging wheel seat is equipped with rear tugboat, and preceding tugboat, rear tugboat and track form longitudinal roll and cooperate.Preceding tugboat system 2b, rear tugboat
System 2a is existing product.Jacking cylinder is arranged between stand column and beam and pedestal stringer, and telescopic column 2e passes through jacking cylinder
The adjusting for completing height, when upper abutment, telescopic column 2e can dig forward 90 °.It is horizontal with lower pillar stand below two telescopic column 2e
Beam 2f is bolted, and lower pillar stand crossbeam 2f is set there are three thrust articulated bearing and laterally urging mechanism 2h, can be with bearing beam 2g
Allow fine rotation when transverse shifting, meets the erection needs of Curved Beam Bridge.
As shown in Figure 8, Figure 9, auxiliary leg 3 is L-shaped structure, including two telescopic column 3a, each column 3a
Upper pillar stand, lower pillar stand and support cylinder 3d with are constituted, and support cylinder 3d is connected between upper pillar stand and lower pillar stand, on
The upper end of the column is hinged by pin shaft 3b and 1 mounting base of girder, and mounting base is connect with girder 1 by high-strength bolt.Turnover mechanism packet
Overturning oil cylinder 3c and lower overturning oil cylinder 3e are included, upper end turnover mechanism 3c movable end is mounted on upper pillar stand upper end, fixing end installation
On the fixed hinged seat at 1 middle part of girder, lower turnover mechanism 3e fixing end is mounted on lower pillar stand lower end, and movable end is mounted on bottom
It adjusts on support 3f.Lower pillar stand lower part cuts with scissors by lower axle with the adjusting support top 3f and connect pin shaft and fixes, and adjusts under support 3f
Portion is equipped with telescopic oil cylinder, and the fine tuning for auxiliary leg is flexible, and telescopic oil cylinder is supported in box beam when via hole operation.Column
3a can be realized two-stage height adjustment by support cylinder 3d and telescopic oil cylinder.Adjusting support 3f is L-type connecting lever.Upper overturning oil cylinder
3c is for entire auxiliary leg of turning back, and lower overturning oil cylinder 3e is for the adjusting support 3f that turns back.
Upper pillar stand, lower pillar stand can be the rectangular configuration that steel plate is welded, and four sides is set on the outside of upper pillar stand inside and lower pillar stand
It is equipped with sliding plate, makes lower pillar stand can be smoothly flexible along upper pillar stand by support cylinder effect, upper pillar stand is equipped with lower pillar stand two sides
For installing the circular hole of bolt.Support cylinder is mounted on the inside of upper pillar stand and lower pillar stand, can reduce structure size, is saved empty
Between.Upper pillar stand, lower pillar stand adjust support 3f composition L-shaped structure setting, are to solve auxiliary leg erect-position supporting point and be located at
Above box-shaped girder web, so that box beam is crossed and bear the pressure that auxiliary leg is transmitted, box beam will not be damaged, more
Safety.The reflexibie mode of the utility model is retracted into girder side automatically, and closely girder, and Bridge Erector is facilitated to cross tunnel.
As shown in Figure 10, Figure 11, rear support leg is closing " O " type leg structure, is the heavily loaded support leg of complete machine and out of shape dynamic
Power source.Rear support leg 4 includes the saddle beam 4a on top, and the both ends of saddle beam 4a are respectively and in left and right rear support leg upper beam 4b
It is bolted above side, the outside bottom surface of left and right rear support leg upper beam 4b passes through spiral shell with left and right rear support leg curved beam 4c respectively
It tethers and connects, be bolted between left and right rear support leg curved beam 4c by bolt and the both ends rear support leg lower beam 4d.After left and right
It is bolted between supporting leg upper beam 4b medial surface and girder 1.The rear support leg side lower beam 4d passes through with trolley mounting base
It is bolted, rear support leg mechanism 4f out of shape is connect with trolley mounting base by hydraulic force equalization mechanism 4e, and hydraulic force equalization mechanism 4e is adopted
, can be in due course balanced with support cylinder, guarantee all rear support legs mechanism 4f stress equalization out of shape, and greatly reduce Bridge Erector
Limitation of the rear support leg 4 to feeding beam height.It is all provided between left and right rear support leg upper beam 4b lateral surface and left and right rear support leg curved beam 4c
There is vertical overturning oil cylinder 4h, movable free bearing is equipped between rear support leg upper beam 4b and rear support leg curved beam 4c, is used for rear support leg curved beam
Rear support leg curved beam 4c and rear support leg upper beam 4b's is hinged when 4c is vertically overturn.When vertical overturning oil cylinder 4h work, with activity
Free bearing is that axis drives rear support leg curved beam 4c completion to be folded up movement.On the outside of left and right rear support leg upper beam 4b between girder 1
Movable free bearing, rear support leg when for laterally overturning are equipped with equipped with lateral overturning oil cylinder, between rear support leg upper beam 4b and girder 1
Crossbeam 4b is hinged with girder 1.When the work of lateral overturning oil cylinder, using movable free bearing as the rear support leg curved beam after axis Foldable
4c and rear support leg upper beam 4b completes laterally 90 ° of foldings, until close to girder 1.When crossing tunnel, the saddle beam 4a on supporting leg top is removed
Pass through lateral turnover mechanism with rear support leg lower beam 4d, supporting leg two sides rear support leg upper beam 4b and rotate 90 °, is gone to from supporting leg plane
Nose girder plane, rear support leg curved beam 4c is dug upwards by vertical turnover mechanism, to reduce the width in Bridge Erector at vehicle bearing
And height, adapt to the Clearance requirement in tunnel.Rear support leg can pass through bridge formation in low level beam car and in the case where pack support assorted
Machine has mechanism by oneself and carries out folding shrinking, packs through tunnel, and can be restored by own institutions to bridge formation state in tunnel face.
Front leg strut 2 and rear support leg 4 are heavily loaded support leg, and front leg strut 2 can complete voluntarily via hole by equipment of itself,
Rear support leg 4 can cooperate the rear dragging wheel system 2a and preceding tugboat system 2b of front leg strut 2 to complete complete machine via hole on track 4g.
As shown in figure 12, preceding hoisting overhead travelling crane 5 and 6 structure type of rear hoisting overhead travelling crane are almost the same, are separately mounted to girder 1
Front-rear position all includes the sprocket wheel vertical shift system 5g being mounted in left and right box beam inner track, is movably arranged on the bottom vehicle frame 5b
Low level heavy type shift unit 5a, the raising train 5d being fixedly mounted on inside vehicle frame 5b, and pass through wirerope 5c and raising
5 h of suspender of train 5d connection.1 rear end of girder is equipped with support frame, preceding hoisting overhead travelling crane 5, rear hoisting overhead travelling crane 6, lifting mechanism 7 and master
The support frame of 1 rear end of beam forms 3 points of liftings by wirerope 5c, and 4 balance systems complete taking beam, moving Liang Heluo for beam piece
Beam operation.
Low level heavy type shift unit 5a is connect with vehicle frame 5b by vertical pin shaft 5e, and the top low level heavy type shift unit 5a is set
There is sliding bearing 5f, can allow that fine rotation occurs when hoisting beam piece is out of shape, low level heavy type shift unit 5a is effectively reduced
Lateral contact force.
Included the following steps using the bridge erection method of the utility model.
Front outrigger for bridge girder erection machine 2 is supported on front bridge pier pier top, adjusts hanging down for front leg strut 2 by the first step as shown in figure 13
Straight degree, the train out of shape of tugboat system 2a and rear dragging wheel system 2b is sliding friction before making, and auxiliary leg 3 is voluntarily overturn
90 ° and it is fixed on the middle part of girder 1, by adjusting the jacking of oil cylinder in hydraulic force equalization mechanism 4e, makes the bottom lower beam 4d and beam face
Space increases, and places cushion block in the bottom lower beam 4d, then shrinks oil cylinder in hydraulic force equalization mechanism 4e, make the out of shape of rear support leg 4
Mechanism 4f is detached from track 4g out of shape, and mechanism 4f support out of shape is made to be converted to cushion block support.Bridge Erector preparation is set a roof beam in place.
Second step as shown in figure 14, beam car transport that beam is in place, and lifting beam piece simultaneously will carry beam trolley on the back and drive into box beam bottom, carry beam on the back
Trolley moves forward beam piece, and trolley 5 proceeds to main beam rear end before Bridge Erector, and suspender 5h is mounted on beam piece front end, is installed
Afterwards, it is linked together the control system of beam car and Bridge Erector, controls movement speed, is carried on the back after trolley 5 and beam car before making
Beam trolley synchronizes dilatory feeding beam.
Third step as shown in figure 15 carries beam trolley moving beam piece after beam car on the back to rear 6 lower section of trolley, rear trolley
6, by taking beam below suspender 5e, separate the control system of beam car and Bridge Erector.
4th step as shown in figure 16, beam car return to Liang Chang and fill beam.The elevator of lifting mechanism 7 is controlled by electrical system 9
Machine makes preceding trolley 5 and 6 synchronizing moving of rear trolley to position of setting a roof beam in place, before the rope stretching amount control by controlling hoist engine,
The completion of trolley 5,6 afterwards falls Liang Zuoye.
5th step as shown in figure 17, rear support leg 4 make wheel group 4f out of shape fall in bridge floor laying by reducing support cylinder 4e
On track 4g, first start the lower overturning oil cylinder 3e of auxiliary leg 3, makes to adjust support 3f overturning, restart upper overturning oil cylinder 3c, make
Auxiliary leg 3 overturns in the middle part of girder 1 and sets above bridge floor, by adjusting support cylinder 3d and adjusting support 3f, makes auxiliary leg 3
With a certain distance from beam face from erection has.
6th step as shown in figure 18, rear support leg 4 are driven by wheel group out of shape, move forward complete machine.When auxiliary leg 3 is moved
When moving 2 rear certain distance of front leg strut, support auxiliary leg 3 makes front leg strut come to nothing.
7th step as shown in figure 19, front leg strut 2 is by forward and backward tugboat system, and voluntarily via hole to front bridge pier, shrinks auxiliary
Supporting leg 3 supports front leg strut 2.
8th step as shown in figure 20, second of the Bridge Erector auxiliary leg 3 that moves ahead in place and turn down, via hole completion, Bridge Erector
In state to be set a roof beam in place.
Claims (7)
1. a kind of Bridge Erector, including girder (1), the front leg strut (2) successively combined from front to back with girder (1), auxiliary leg
(3) and rear support leg (4), and be mounted on girder (1) preceding trolley (5), rear trolley (6), lifting mechanism (7),
Hydraulic system (8) and electrical system (9), the preceding trolley (5), rear trolley (6) are mounted on girder (1) upper inner
On track, it is characterised in that: girder (1) lower part is equipped with track along longitudinal direction, and front leg strut (2) upper end is equipped with train out of shape, walks
Shape train and track form longitudinal roll and cooperate；It is hinged in the middle part of auxiliary leg (3) upper end and girder (1), auxiliary leg (3)
Turnover mechanism is equipped between girder (1)；The rear support leg (4) is enclosed type leg structure, and top is fixedly connected with girder (1)；
The lifting mechanism (7) and preceding trolley (5), rear trolley (6) pass through wirerope (5c) and form hoisting system of setting a roof beam in place.
2. a kind of Bridge Erector according to claim 1, it is characterised in that: the front leg strut (2) further includes shoulder pole girder
(2d), scalable column (2e), thrust articulated bearing, laterally urge mechanism (2h) and bearing beam (2g) at jacking cylinder；Two can stretch
Contracting column (2e) connects into frame by the stand column and beam between it；Train out of shape includes train pedestal, preceding tugboat seat and rear dragging
Wheel seat, train pedestal include base crossbeam and the pedestal stringer longitudinally projecting along base crossbeam both ends, two rear dragging wheel seat difference
It is mounted on the both ends of base crossbeam, two preceding tugboat seats are separately mounted to the outer end of pedestal stringer, the bottom of base crossbeam and solid
The shoulder pole girder (2d) for being scheduled on the upper end scalable column (2e), which was connected to, connects steel pin (2c) hingedly；Preceding tugboat seat is equipped with preceding tugboat
(2b), rear dragging wheel seat are equipped with rear tugboat (2a), and preceding tugboat (2b), rear tugboat (2a) and track form longitudinal roll and cooperate；Top
Oil-lifting jar is arranged between stand column and beam and pedestal stringer；The lower pillar stand crossbeam (2f) of frame by three thrust articulated bearings and
Mechanism (2h) is laterally urged to connect with bearing beam (2g).
3. a kind of Bridge Erector according to claim 1 or 2, it is characterised in that: the auxiliary leg (3) can including two
Flexible column (3a), upper pillar stand, lower pillar stand and support cylinder (3d) of each column (3a) with are constituted, support cylinder
(3d) is connected between upper pillar stand and lower pillar stand；Upper pillar stand upper end is hinged by pin shaft (3b) and girder (1)；Turnover mechanism includes
Upper overturning oil cylinder (3c) and lower overturning oil cylinder (3e), upper overturning oil cylinder (3c) are connected between upper pillar stand upper end and girder (1), under
Overturning oil cylinder (3e) is connected to lower pillar stand lower end and adjusts between support (3f)；It adjusts support lower part (3f) and flexible oil is installed
Cylinder.
4. a kind of Bridge Erector according to claim 1 or 2, it is characterised in that: the rear support leg (4) includes by top
Two rear support leg upper beams (4b) that saddle beam (4a), inner crest face are connect with the both ends saddle beam (4a) respectively, respectively with two
Two rear support leg curved beams (4c) of rear support leg upper beam (4b) outside bottom surface connection are connected between two rear support leg curved beams (4c)
Rear support leg lower beam (4d) constitute the O-shaped leg structure of closing；The both ends bottom rear support leg lower beam (4d) is respectively equipped with props up with after
Leg mechanism out of shape (4f), rear support leg mechanism out of shape (4f) are equipped with hydraulic force equalization mechanism (4e)；Two rear support leg upper beams (4b) are outside
Vertical overturning oil cylinder (4h) is equipped between side and left and right rear support leg curved beam (4c)；On the outside of left and right rear support leg upper beam (4b) with
Girder is equipped with lateral overturning oil cylinder between (1)；Pass through bolt between two rear support leg upper beam (4b) medial surfaces and girder (1)
Connection.
5. a kind of Bridge Erector according to claim 1 or 2, it is characterised in that: the preceding trolley (5) and rear lifting
Trolley (6) is separately mounted to the front-rear position of girder (1)；It all include the sprocket wheel vertical shift system being mounted on (1) two siding track of girder
It unites (5g), is movably arranged on the low level heavy type shift unit (5a) of the bottom vehicle frame (5b), be fixedly mounted on vehicle frame (5b) inside
Raising train (5d), the suspender being connect through wirerope (5c) with raising train (5d) (5 h)；Girder (1) front end is equipped with support frame,
The support frame and preceding trolley (5), rear trolley (6) and lifting mechanism (7) form at 3 points by wirerope (5c) and lift by crane,
4 balance systems.
6. a kind of Bridge Erector according to claim 5, it is characterised in that: the low level heavy type shift unit (5a) and vehicle
Frame (5b) is connected by vertical pin shaft (5e)；The low level heavy type shift unit top (5a) is equipped with sliding bearing (5f).
7. a kind of Bridge Erector according to claim 3, it is characterised in that: the girder (1) is variable cross-section box type beam, packet
Two parallel box beams in longitudinal direction are included, there are two horizontal connection beams for connection between two box beams；Adjusting support (3f) is L-type.
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| CN201821072206.5U CN208792174U (en) | 2018-07-08 | 2018-07-08 | A kind of Bridge Erector |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109695204A (en) * | 2018-07-08 | 2019-04-30 | 中铁十一局集团汉江重工有限公司 | A kind of Bridge Erector and bridge erection method |
| CN110093864A (en) * | 2019-06-17 | 2019-08-06 | 秦皇岛天业通联重工科技有限公司 | A kind of Bridge Erector easy to operate |
| CN113373814A (en) * | 2021-06-11 | 2021-09-10 | 中铁工程机械研究设计院有限公司 | Highway bridge erecting method |
| CN113605248A (en) * | 2021-09-06 | 2021-11-05 | 中铁二十二局集团第二工程有限公司 | Construction method of 1000t/40m box girder, high-speed railway, girder transporting vehicle and bridge girder erection machine |
| CN113802462A (en) * | 2021-09-28 | 2021-12-17 | 中交二航局第二工程有限公司 | Section-splicing bridge girder erection machine and front supporting leg for hoisting |
| CN114045755A (en) * | 2021-11-23 | 2022-02-15 | 中铁七局集团有限公司 | Auxiliary trolley machine construction method for small clearance frame beam construction |
| CN109695204B (en) * | 2018-07-08 | 2024-06-04 | 中铁十一局集团汉江重工有限公司 | Bridge girder erection machine and bridge girder erection method |
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2018
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109695204A (en) * | 2018-07-08 | 2019-04-30 | 中铁十一局集团汉江重工有限公司 | A kind of Bridge Erector and bridge erection method |
| CN109695204B (en) * | 2018-07-08 | 2024-06-04 | 中铁十一局集团汉江重工有限公司 | Bridge girder erection machine and bridge girder erection method |
| CN110093864A (en) * | 2019-06-17 | 2019-08-06 | 秦皇岛天业通联重工科技有限公司 | A kind of Bridge Erector easy to operate |
| CN113373814A (en) * | 2021-06-11 | 2021-09-10 | 中铁工程机械研究设计院有限公司 | Highway bridge erecting method |
| CN113605248A (en) * | 2021-09-06 | 2021-11-05 | 中铁二十二局集团第二工程有限公司 | Construction method of 1000t/40m box girder, high-speed railway, girder transporting vehicle and bridge girder erection machine |
| CN113802462A (en) * | 2021-09-28 | 2021-12-17 | 中交二航局第二工程有限公司 | Section-splicing bridge girder erection machine and front supporting leg for hoisting |
| CN114045755A (en) * | 2021-11-23 | 2022-02-15 | 中铁七局集团有限公司 | Auxiliary trolley machine construction method for small clearance frame beam construction |
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