CN108797379A - Become the method that spacing double width bridge uses Segmental assembling bridge-erecting machine synchronous construction - Google Patents
Become the method that spacing double width bridge uses Segmental assembling bridge-erecting machine synchronous construction Download PDFInfo
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- CN108797379A CN108797379A CN201810719927.9A CN201810719927A CN108797379A CN 108797379 A CN108797379 A CN 108797379A CN 201810719927 A CN201810719927 A CN 201810719927A CN 108797379 A CN108797379 A CN 108797379A
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- bridge
- girder
- column
- bridge pier
- pair
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- 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
- E01D21/06—Methods or apparatus specially adapted for erecting or assembling bridges by translational movement of the bridge or bridge sections
Abstract
The invention discloses a kind of method that change spacing double width bridge uses Segmental assembling bridge-erecting machine synchronous construction, realize that becoming the synchronous of spacing double width bridge sets up by a Bridge Erector, the Bridge Erector includes：A pair of beams, length direction are arranged along direction across bridge, and a pair of beams is separately fixed at adjacent second bridge pier of the first bridge pier and its front end by column；A pair of of girder, length direction along indulge bridge to and interval setting, a pair of of girder can be along vertical bridge to the top for being erected at first bridge pier and the second bridge pier of sliding；The girder can be along the setting that direction across bridge slides in a pair of beams；A pair of of hoisting overhead travelling crane is corresponded with the girder；The hoisting overhead travelling crane can along vertical bridge being set on corresponding girder to sliding.The present invention has many advantages, such as that the duration can be greatly reduced, facilitates construction, can be widely applied to double width bridge construction method and technology field.
Description
Technical field
The present invention relates to double width bridge construction method and technology fields.It is more particularly related to a kind of change spacing double width
The method that bridge uses Segmental assembling bridge-erecting machine synchronous construction.
Background technology
For two-way road precast segment bridge, current domestic Segmental assembling bridge-erecting machine is commonly traditional single width bridge and applies
Work, that is, by traversing jib lubbing mechanism by traversing to another width bridge construction of complete machine after a width bridge of having constructed.Construction method needs in this way
Transverse shifting Bridge Erector twice, that is, moves Bridge Erector and has constructed after a secondary bridge back and forth, again by traversing jib lubbing mechanism by complete machine
Traversing to another width bridge construction, and the Bridge Erector via number of single width construction doubles, to considerably increase the operation of equipment
Risk extends the construction period.And application No. is CN201710910609.6, application name is equidistant double width bridge using section
In the patent of the method for the assembled Bridge Erector synchronous construction of section, equidistantly double good fortune bridge method for synchronously constructing are disclosed, for becoming spacing
Double width bridge, still can not achieve synchronous construction.
Invention content
It is an object of the invention to solve at least the above, and provide the advantages of at least will be described later.
It can greatly reduce the duration it is a still further object of the present invention to provide a kind of, the change spacing double width bridge of construction is facilitated to use
The method of Segmental assembling bridge-erecting machine synchronous construction.
In order to realize these purposes and other advantages according to the present invention, provides a kind of change spacing double width bridge and use segment
The method of assembled Bridge Erector synchronous construction realizes that becoming the synchronous of spacing double width bridge sets up by a Bridge Erector.
Preferably, the Bridge Erector includes：
A pair of beams, length direction are arranged along direction across bridge, and a pair of beams is separately fixed at the first bridge pier by column
And its adjacent second bridge pier in front end；
A pair of of girder, length direction along indulge bridge to and interval setting, a pair of of girder can be along vertical bridge to the erection of sliding
In the top of first bridge pier and the second bridge pier；The girder can be along the setting that direction across bridge slides in a pair of beams；
A pair of of hoisting overhead travelling crane is corresponded with the girder；The hoisting overhead travelling crane can along vertical bridge being set to sliding
On corresponding girder.
Preferably, the method that the change spacing double width bridge uses Segmental assembling bridge-erecting machine synchronous construction, including following step
Suddenly：
S1, Bridge Erector are erected at the first bridge pier and between the second bridge piers of vertical bridge forward end；
S2, completed on the first bridge pier and the second bridge pier this across beams of concrete construction；
S3 adjusts the spacing between a pair of of girder；
The middle part of S4, pushing tow a pair of girder are located between the third bridge pier on front side of the second bridge pier and the second bridge pier；
S5 repeats the erection that S2-S4 completes multiple beams of concretes on all bridge piers, and multiple beams of concretes is connected shape
At floorings.
Preferably, the setting that the middle part of the girder is slided by trolley below along direction across bridge is in a pair of beams；
The trolley by thrustor crossbeam upper edge direction across bridge move, thrustor along direction across bridge be arranged on the crossbeam and with
The trolley corresponds, and one end of the thrustor is fixed on corresponding trolley, and one end is fixed on crossbeam.
Preferably, the column be two pairs, per column include along vertical bridge forward end the first column and rear end second
Column, two the first columns are relatively fixed vertically to be arranged on the second bridge pier, and two the second columns are relatively fixed described the vertically
On one bridge pier；
The column includes the lower supporting leg contour with section box girder and is detachably mounted to the upper supporting leg of lower supporting leg；It is described
The front end of girder connects front leg strut, and the rear end of the girder connects rear support leg；
The step S4 is specifically included：
The front end of S41, a pair of girder slide to the third bridge pier on front side of the second bridge pier, until the front leg strut of girder
Positioned at the surface of the third bridge pier, the front leg strut of girder is fixed on third bridge pier；
S42, removes the connection between the upper supporting leg of the second column and its lower supporting leg, and the upper supporting leg of the second column is fixed temporarily
On beams of concrete between the first bridge pier and the second bridge pier and close to first column；
S43 removes the connection of the lower supporting leg and the second bridge pier of the second column, the lower supporting leg of second column is fixed on
On third bridge pier；
S44 removes the connection between the upper supporting leg of the first column and its lower supporting leg, can by the upper supporting leg of first column
It is detachably fixedly arranged on the lower supporting leg of the second column；
S45 removes the connection of front leg strut and third bridge pier, continues pushing tow a pair of girder forward, until the middle position of girder
Between the first bridge pier and third bridge pier；
S46 removes the connection of the beams of concrete between the upper supporting leg and the first bridge pier and the second bridge pier of the second column, and will
The upper supporting leg of second column is fixed on the lower supporting leg of the first column.
Preferably, the crossbeam is divided equally along its width direction, forms first crossbeam and second cross beam, the first crossbeam with
Pass through flanged joint between second cross beam.
Preferably, the girder is truss structure, and it includes the main frame at middle part, is fixed on the leading of main frame front end
The length difference of beam and the back launching nose for being fixed on main frame rear end, the front launching nose and back launching nose is no more than 2 meters.
Preferably, the upper end of the column passes through flanged joint crossbeam；The lower end of the crossbeam is spaced the multiple methods of setting
Blue interface；
Pass through the rear cross beam of flanged joint level on the rear support leg；The lower end of the rear cross beam is spaced the multiple methods of setting
Blue interface.
Preferably, it is provided with track on the girder, the hoisting overhead travelling crane being set to sliding along vertical bridge in orbit
On corresponding girder；
The upper surface of the track invaginates to form a square groove, and the lid coordinated with it is provided in the square groove
Plate, the cover board are hinged in orbit by axis pin along the side of track length direction；
Side of the slot bottom of the square groove far from the axis pin continue invagination formed the first blind hole for communicating therewith and
Second blind hole is provided with vertical spring, upper end and the other end of the cover board far from axis pin of the spring in first blind hole
Fixed, the lower end of the spring is fixed on the bottom hole of the first blind hole；
The inner cavity of second blind hole is cylindric, upper part fitting one piston of setting, the upper end of the piston and fixation
The lower end of axis is fixed, and the upper end of fixing axle and the lower surface of cover board are hinged；Have on the piston and penetrates through bottom surface thereon
First round tube hole；The upper end of second blind hole is fixed with a first vertical round bar, and the lower end of the first round bar is coaxially fixed with
Columned rubber stopper；
The side of the lower end of the piston is fixed with a rubber baffle, and the inside fitting described second of the rubber baffle is blind
The inner wall in hole；The other side of the lower end of the piston is fixed with the second vertical round bar, and the lower end of second round bar is fixed with
One stopper；
The side of the second blind hole setting rubber baffle is provided with one second round tube hole, the second round tube hole and first pipe
Connection, the inner cavity of second blind hole are communicated by first pipe with an oil storage tank, and the top of the oil storage tank passes through the second pipe
Road connection is external；The bottom of second blind hole against the other side of second round tube hole is provided with third round tube hole, third
Round tube hole is connected to the entrance of third pipeline, and the outlet of third pipeline is located at track upper surface；The bottom hole pair of second blind hole
Invagination one the 4th blind hole of formation is continued in the position for the stopper, and the 4th blind hole coordinates with the stopper；
Wherein, when hoisting overhead travelling crane is not pressed on the cover board, the cover board is inclined, and the rubber baffle is located at described
The surface of second round tube hole, the stopper seal the third round tube hole, and the rubber stopper is being located at the first round tube hole just
Lower section, the hoisting overhead travelling crane pressure on the cover board when, the rubber baffle seals second round tube hole, and the rubber stopper squeezes
It inside the first round tube hole and is sealed against, the bottom of the stopper and the bottom hole of the 4th blind hole are affixed.
Preferably, the outlet of the third pipeline is multiple.
The present invention includes at least following advantageous effect：
Compared with the prior art, the construction that a pair of of girder is carried out at the same time change spacing double width bridge is arranged in the present invention, is arranged simultaneously
Crossbeam and trolley realize the adjustable of the distance between a pair of of girder, and carrying out construction using the present invention not only avoids back and forth laterally
Mobile Bridge Erector, is greatly saved the construction time, reduces the construction for becoming the double good fortune bridges of spacing, and the present invention is covered by being arranged
The mechanisms such as plate, piston realize the self-lubricate function in hoisting overhead travelling crane operational process, eliminate the step of artificial profit oil, therefore
The present invention be it is a kind of can greatly reduce the duration, the spacing double width bridge that become simple in structure synchronizes the Segmental assembling bridge-erecting set up
Machine.
Part is illustrated to embody by further advantage, target and the feature of the present invention by following, and part will also be by this
The research and practice of invention and be understood by the person skilled in the art.
Description of the drawings
Fig. 1 is the structural schematic diagram for inventing the Bridge Erector；
Fig. 2~Fig. 9 is work progress schematic diagram of the present invention；
Figure 10 is the structural schematic diagram in track of the present invention；
Figure 11 is the annexation figure of stopper of the present invention and the second round bar.
Specific implementation mode
Present invention will be described in further detail below with reference to the accompanying drawings, to enable those skilled in the art with reference to specification text
Word can be implemented according to this.
It should be noted that experimental method described in following embodiments is unless otherwise specified conventional method, institute
Reagent and material are stated, unless otherwise specified, is commercially obtained；In the description of the present invention, term " transverse direction ", " vertical
To ", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", the instructions such as "outside" side
Position or position relationship are to be based on the orientation or positional relationship shown in the drawings, and are merely for convenience of description of the present invention and simplification of the description,
It is not instruction or implies that signified device or element must have a particular orientation, with specific azimuth configuration and operation, because
This is not considered as limiting the invention.
As shown in figs. 1-11, the present invention provides a kind of side for becoming spacing double width bridge and using Segmental assembling bridge-erecting machine synchronous construction
Method realizes that becoming the synchronous of spacing double width bridge sets up by a Bridge Erector.
In another technical solution, the Bridge Erector includes：
A pair of beams, length direction are arranged along direction across bridge, and a pair of beams is separately fixed at the first bridge pier by column
And its adjacent second bridge pier in front end；
A pair of of girder, length direction along indulge bridge to and interval setting, a pair of of girder can be along vertical bridge to the erection of sliding
In the top of first bridge pier and the second bridge pier；The girder can be along the setting that direction across bridge slides in a pair of beams；
A pair of of hoisting overhead travelling crane is corresponded with the girder；The hoisting overhead travelling crane can along vertical bridge being set to sliding
On corresponding girder.
In this kind of technical solution, a pair of of girder 3 can be erected at a pair of first bridge pier 27 along vertical bridge to sliding
With the top of the second bridge pier 28, the girder 3, can be by girder 3 from along vertical bridge under the cooperation of jacking cylinder and pipe bending cylinder
To first bridge pier of rearmost end, pushes to slide always to along vertical bridge and, to bridge pier after the of front end, complete bridge floor on all bridge piers
The laying of plate.At least corresponding a pair of of the trolley of one girder, an at least trolley among trolley is arranged in a crossbeam and the girder in this
Between, at least another trolley is arranged between another crossbeam and the girder.
In another technical solution, the change spacing double width bridge uses the side of Segmental assembling bridge-erecting machine synchronous construction
Method includes the following steps：
S1, Bridge Erector are erected at the first bridge pier and between the second bridge piers of vertical bridge forward end；
S2, completed on the first bridge pier and the second bridge pier this across beams of concrete construction；
S3 adjusts the spacing between a pair of of girder；
The middle part of S4, pushing tow a pair of girder are located between the third bridge pier on front side of the second bridge pier and the second bridge pier；
S5 repeats the erection that S2-S4 completes multiple beams of concretes on all bridge piers, and multiple beams of concretes is connected shape
At floorings.
In another technical solution, the middle part of the girder is existed by the setting that trolley below is slided along direction across bridge
In a pair of beams；The trolley is moved by thrustor in crossbeam upper edge direction across bridge, and thrustor is arranged along direction across bridge in institute
It states on crossbeam and is corresponded with the trolley, one end of the thrustor is fixed on corresponding trolley, and one end is fixed on
On crossbeam.
In this kind of technical solution, the thrustor 5 can be oil cylinder or cylinder or other can be by trolley 4 along direction across bridge
Any one in the device of pushing tow, is not limited herein.Hoisting overhead travelling crane can be in corresponding master under the ejection of oil cylinder or cylinder
7 upper edge of track on beam 3 indulges bridge to sliding.In work progress, according to Bridge Design demand, trolley 4 is pushed by thrustor 5
It is slided in direction across bridge, to drive the distance being shelved between a pair of of girder 3 of 4 top of trolley to change.
In another technical solution, the column is two pairs, includes the first column along vertical bridge forward end per column
32 and rear end the second column 33, two the first columns 32 are relatively fixed vertically to be arranged on the second bridge pier 28, and two second are vertical
Column 33 is relatively fixed vertically on first bridge pier 27；
The column includes the lower supporting leg contour with section box girder 29 and is detachably mounted to the upper supporting leg of lower supporting leg；Institute
The front end connection front leg strut 35 of girder 3 is stated, the rear end of the girder 3 connects rear support leg 36；
The step S4 is specifically included：
The front end of S41, a pair of girder 3 slide to the third bridge pier 31 positioned at 28 front side of the second bridge pier, until girder 3
Front leg strut 35 be located at the surface of the third bridge pier 31, the front leg strut 35 of girder 3 is fixed on third bridge pier 31；
S42, removes the connection between the upper supporting leg of the second column 33 and its lower supporting leg, and the upper supporting leg of the second column 33 is interim
It is fixed on the beams of concrete 30 between the first bridge pier 27 and the second bridge pier 28 and close to first column 32；
S43 removes the connection of the lower supporting leg and the second bridge pier 28 of the second column 33, by the lower supporting leg of second column 33
It is fixed on third bridge pier 31；
S44 removes the connection between the upper supporting leg of the first column 32 and its lower supporting leg, by the upper branch of first column 32
Leg is detachably mounted on the lower supporting leg of the second column 33；
S45 removes the connection of front leg strut 35 and third bridge pier 31, continues pushing tow a pair of girder 3 forward, until girder 3
Middle part is between the first bridge pier 27 and third bridge pier 31；
S46 removes the beams of concrete 30 between the upper supporting leg and the first bridge pier 27 and the second bridge pier 28 of the second column 33
Connection, and the upper supporting leg of the second column 33 is fixed on the lower supporting leg of the first column 32.
In this kind of technical solution, during sliding girder 3, by adjusting the first column 32 and the second column in time
33 position ensure that the stability of support of the girder 3 in sliding process.
In another technical solution, the crossbeam 1 is divided equally along its width direction, forms first crossbeam and second cross beam,
Pass through flanged joint between the first crossbeam and second cross beam.
In this kind of technical solution, when first crossbeam is integrally formed structures with second cross beam, to the intensity of crossbeam 1
It is required that it is larger, therefore crossbeam 1 is divided into two, to meet force request.
In another technical solution, the girder 3 is truss structure, and it includes the main frame at middle part, is fixed on master
The length difference of the front launching nose of frame front end and the back launching nose for being fixed on main frame rear end, the front launching nose and back launching nose is no more than 2
Rice.
In this kind of technical solution, front launching nose and the essentially front and back symmetric design of back launching nose can meet Bridge Erector and reversely apply
Work.
In another technical solution, the upper end of the column passes through flanged joint crossbeam 1；The lower end of the crossbeam 1 is equal
Multiple flange-interfaces are arranged in interval；
Pass through the rear cross beam of flanged joint level on the rear support leg 36；It is multiple that the lower end of the rear cross beam is spaced setting
Flange-interface.
In this kind of technical solution, longer flange-interface is designed in 1 lower end of crossbeam, column can on the long flange with
The step distance of 100mm changes installation site, to adapt to the cross directional variations of bridge pier cap.Rear support leg passes through rear cross beam and girder
Connection, girder are shelved on rear cross beam.
In another technical solution, track 7 is provided on the girder 3, the hoisting overhead travelling crane 6 is vertical in 7 upper edge of track
Bridge is set to sliding on corresponding girder 3；
The upper surface of the track 7 invaginates to form a square groove 8, is provided in the square groove 8 and coordinates with it
Cover board 9, the cover board 9 are hinged on by axis pin 10 on track 7 along the side of 7 length direction of track；
Continue invagination and form the first blind hole communicated therewith in side of the slot bottom of the square groove 8 far from the axis pin 10
11 and second blind hole 12, vertical spring 13 is provided in first blind hole 11, and the upper end of the spring 13 is remote with cover board 9
The other end from axis pin 10 is fixed, and the lower end of the spring 13 is fixed on the bottom hole of the first blind hole 11；
The inner cavity of second blind hole 12 is cylindric, upper part fitting one piston 14 of setting, the upper end of the piston 14
It is fixed with the lower end of fixing axle 15, the upper end of fixing axle 15 is hinged with the lower surface of cover board 9；Having on the piston 14 will thereon
First round tube hole 16 of bottom surface perforation；The upper end of second blind hole 12 is fixed with a first vertical round bar 17, the first circle
The lower end of bar 17 is coaxially fixed with columned rubber stopper 18；
The side of the lower end of the piston 14 is fixed with a rubber baffle 19, described in the inside fitting of the rubber baffle 19
The inner wall of second blind hole 12；The other side of the lower end of the piston 14 is fixed with the second vertical round bar 20, second round bar
20 lower end is fixed with a stopper 21；
The side that rubber baffle 19 is arranged in second blind hole 12 is provided with one second round tube hole, the second round tube hole and first
Pipeline 22 is connected to, and the inner cavity of second blind hole 12 is communicated by first pipe 22 with an oil storage tank 23, the oil storage tank 23
Top is connected to outside by second pipe 24；The bottom of second blind hole 12 against the other side of second round tube hole is arranged
There are third round tube hole, third round tube hole to be connected to the entrance of third pipeline 25, the outlet of third pipeline 25 is located at 7 upper table of track
Face；The position of bottom hole against the stopper 21 of second blind hole 12 continues invagination and forms one the 4th blind hole, and the described 4th is blind
Hole coordinates with the stopper 21；
Wherein, when hoisting overhead travelling crane 6 is not pressed on cover board 9, the cover board 9 is inclined, the rubber baffle 19
In the surface of second round tube hole, the stopper 21 seals the third round tube hole, and the rubber stopper 18 is located at first
The underface of round tube hole 16, when the hoisting overhead travelling crane 6 is pressed on cover board 9, the rubber baffle 19 is close by second round tube hole
Envelope, the rubber stopper 18 are extruded in 16 inside of the first round tube hole and are sealed against, the bottom of the stopper 21 and the 4th blind hole
Bottom hole is affixed.
In this kind of technical solution, when hoisting overhead travelling crane 6 is not pressed on cover board 9, the cover board 9 is inclined, at this point,
Stopper 21 will seal at third round tube hole, and the second blind hole 12 is communicated by the first round tube hole 16 with the external world, and oil storage tank 23 at this time
It is communicated with the second blind hole 12 by the second round tube hole, lubricating oil is added into oil storage tank 23, lubricating oil enters from the second round tube hole
The inside of second blind hole 12, until filling the lubricating oil in the second blind hole 12 to 14 lower section of piston；It is pressed in cover board in hoisting overhead travelling crane 6
When on 9, cover board 9 is just contained in square groove 8, and cover board 9, which pushes, drives fixed link to push, under fixed link band piston 14
It presses, the rubber stopper 18 seals 14 bar of piston at this time, and rubber baffle 19 will seal at second round tube hole, and stopper 21 enters third
In blind hole 26 and the sealing of third round tube hole will be released, under the action of piston 14, lubricating oil enters from third round tube hole
Third pipeline 25, and sprayed from the outlet of third pipeline 25, taking away lubricating oil in playing device walking process is lubricated.It should
Lubricating arrangement can design multiple according to actual needs.
The outlet of the third pipeline 25 is multiple.
In this kind of technical solution, an entrance corresponds to multiple outlets, and multiple outlets are arranged and increase regions of lubrication.
Embodiment 1
S1, Bridge Erector are erected at the first bridge pier 27 and between the second bridge piers 28 of vertical bridge forward end, the Bridge Erector packet
It includes：
A pair of beams 1, length direction is arranged along direction across bridge, and a pair of beams 1 is separately fixed at the first bridge by column
Adjacent second bridge pier of pier 27 and its front end 28；
A pair of of girder 3, length direction along indulge bridge to and interval setting, a pair of of girder 3 can be along vertical bridge to the frame of sliding
It is located at the top of first bridge pier, 27 and second bridge pier 28；It the middle part of the girder 3 can be along cross-bridges by trolley 4 below
To sliding setting in a pair of beams 1；
Thrustor 5 is arranged on the crossbeam 1 along direction across bridge and is corresponded with the trolley 4, the pushing tow dress
It sets 5 one end to be fixed on corresponding trolley 4, one end is fixed on crossbeam 1；
A pair of of hoisting overhead travelling crane 6 is corresponded with the girder 3；The hoisting overhead travelling crane 6 can be along vertical bridge to the setting of sliding
In on corresponding girder 3；
S2 slings multiple section box girders 29 successively from below respectively using a pair of of hoisting overhead travelling crane 6, and by multiple section box girders
29 are suspended on the lower section of 6 corresponding girder 3 of hoisting overhead travelling crane successively, and splice, tensioning formation beams of concrete 30, the beams of concrete
30 both ends are respectively erected on the first bridge pier 27 and the second bridge pier 28, complete this across construction；
S3, thrustor 5 push trolley 4 to be moved in 1 upper edge direction across bridge of crossbeam, adjust the spacing between a pair of of girder 3；
The middle part of S4, pushing tow a pair of girder 3 are located between the third bridge pier 31 of 28 front side of the second bridge pier 28 and the second bridge pier；
S5 repeats S2-S4 and completes the erections of multiple beams of concretes 30 on all bridge piers 2, and by multiple beams of concretes 30
Connection forms floorings.
The lower end of the girder 3 is spaced the multipair hanging reinforcing bar 34 of setting along its length, and each pair of hanging reinforcing bar 34 is opposite
It is arranged at the both ends of the width direction of girder 3；The hoisting overhead travelling crane 6 includes：Horizontal overarm arm, can be along the length of girder 3
Direction is slided, and the both sides of the top of the cantilever beam are symmetrically arranged with a pair of of suspender；Crossbeam is hung, in its length of hanging crossbeam upper edge
The both ends for spending direction are equipped with first group of suspension centre, second group of suspension centre, and first group of suspension centre includes two to hang crossbeam longitudinal axis
Symmetrically arranged first suspension centre of line, second group of suspension centre are hung including two with hanging crossbeam length-wise axis symmetrically arranged second
Point；Two groups of hanging points are equipped between first group of suspension centre, second group of suspension centre, the opposite hanging beam width direction of two groups of hanging points is symmetrical, often
Group hanging point includes two along the extension symmetrical sling point of crossbeam length direction；In the S2, using a pair of of hoisting overhead travelling crane 6 respectively from
Multiple section box girders 29 are sling in lower section successively, and multiple section box girders 29 are suspended on 6 corresponding girder 3 of hoisting overhead travelling crane successively
Lower section, it is specific as follows：Section box girder 29 is transported to a pair of of girder 3 using fortune beam pontoon hereinafter, a pair of of girder 3 while constructing：
Will hanging crossbeam along its length be mounted on section box girder 29 on, and make the suspension hook of a pair of of suspender catch on respectively first group of suspension centre and
Second group of suspension centre is lifted up immediately below section box girder 29 to a pair of of hanging reinforcing bar 34 of crane's major girder 3, and makes a pair of of hanging
Reinforcing bar 34 catches on two groups of hanging points respectively, and the suspension hook for unclamping suspender completes the lifting of section box girder 29.For a pair of of girder of adjustment 3
Between spacing, be not limited solely to step S3, during Summarized Account of Bridge Erection Construction, when a pair of of 3 spacing of girder of any need adjustment, all may be used
To push trolley 4 to be slided in direction across bridge by thrustor 5, to drive between being shelved on a pair of of girder 3 of the top of trolley 4 away from
From changing.
Although the embodiments of the present invention have been disclosed as above, but its is not only in the description and the implementation listed
With it can be fully applied to various fields suitable for the present invention, for those skilled in the art, can be easily
Realize other modification, therefore without departing from the general concept defined in the claims and the equivalent scope, the present invention is simultaneously unlimited
In specific details and legend shown and described herein.
Claims (10)
1. a kind of method for becoming spacing double width bridge and using Segmental assembling bridge-erecting machine synchronous construction, which is characterized in that pass through a rack
Bridge machine realizes that becoming the synchronous of spacing double width bridge sets up.
2. a kind of method for becoming spacing double width bridge and using Segmental assembling bridge-erecting machine synchronous construction, which is characterized in that
The Bridge Erector includes：
A pair of beams, length direction are arranged along direction across bridge, a pair of beams by column be separately fixed at the first bridge pier and its
Adjacent second bridge pier in front end；
A pair of of girder, length direction along indulge bridge to and interval setting, a pair of of girder can be erected at institute along vertical bridge to sliding
State the top of the first bridge pier and the second bridge pier；The girder can be along the setting that direction across bridge slides in a pair of beams；
A pair of of hoisting overhead travelling crane is corresponded with the girder；The hoisting overhead travelling crane can be set to correspondence along vertical bridge to sliding
Girder on.
3. becoming the method that spacing double width bridge uses Segmental assembling bridge-erecting machine synchronous construction as claimed in claim 2, feature exists
In including the following steps：
S1, Bridge Erector are erected at the first bridge pier and between the second bridge piers of vertical bridge forward end；
S2, completed on the first bridge pier and the second bridge pier this across beams of concrete construction；
S3 adjusts the spacing between a pair of of girder；
The middle part of S4, pushing tow a pair of girder are located between the third bridge pier on front side of the second bridge pier and the second bridge pier；
S5 repeats S2-S4 and completes the erection of multiple beams of concretes on all bridge piers, and multiple beams of concretes are connected to form bridge
Panel.
4. becoming the method that spacing double width bridge uses Segmental assembling bridge-erecting machine synchronous construction as claimed in claim 2, feature exists
In the setting that the middle part of, the girder is slided by trolley below along direction across bridge in a pair of beams；The trolley passes through
Thrustor is moved in crossbeam upper edge direction across bridge, and thrustor is arranged on the crossbeam and with the trolley one by one along direction across bridge
Corresponding, one end of the thrustor is fixed on corresponding trolley, and one end is fixed on crossbeam.
5. becoming the method that spacing double width bridge uses Segmental assembling bridge-erecting machine synchronous construction as claimed in claim 3, feature exists
It is two pairs in, the column, includes the second column of the first column and rear end along vertical bridge forward end per column, two first
Column is relatively fixed vertically to be arranged on the second bridge pier, and two the second columns are relatively fixed vertically on first bridge pier；
The column includes the lower supporting leg contour with section box girder and is detachably mounted to the upper supporting leg of lower supporting leg；The girder
Front end connect front leg strut, the rear end of the girder connects rear support leg；
The step S4 is specifically included：
The front end of S41, a pair of girder slide to the third bridge pier on front side of the second bridge pier, until the front leg strut of girder is located at
The surface of the third bridge pier, the front leg strut of girder is fixed on third bridge pier；
S42, removes the connection between the upper supporting leg of the second column and its lower supporting leg, and the upper supporting leg of the second column is temporarily fixed at the
On beams of concrete between one bridge pier and the second bridge pier and close to first column；
S43 removes the connection of the lower supporting leg and the second bridge pier of the second column, the lower supporting leg of second column is fixed on third
On bridge pier；
S44 removes the connection between the upper supporting leg of the first column and its lower supporting leg, and the upper supporting leg of first column is detachable
Be fixed on the lower supporting leg of the second column；
S45 removes the connection of front leg strut and third bridge pier, continues pushing tow a pair of girder forward, until the middle part of girder is positioned at the
Between one bridge pier and third bridge pier；
S46 removes the connection of the beams of concrete between the upper supporting leg and the first bridge pier and the second bridge pier of the second column, and by second
The upper supporting leg of column is fixed on the lower supporting leg of the first column.
6. becoming the method that spacing double width bridge uses Segmental assembling bridge-erecting machine synchronous construction as claimed in claim 2, feature exists
In the crossbeam is divided equally along its width direction, forms first crossbeam and second cross beam, leads between the first crossbeam and second cross beam
Cross flanged joint.
7. becoming the method that spacing double width bridge uses Segmental assembling bridge-erecting machine synchronous construction as claimed in claim 2, feature exists
In the girder is truss structure, and it includes the main frame at middle part, is fixed on the front launching nose of main frame front end and is fixed on master
The length difference of the back launching nose of back-end framework, the front launching nose and back launching nose is no more than 2 meters.
8. becoming the method that spacing double width bridge uses Segmental assembling bridge-erecting machine synchronous construction as claimed in claim 5, feature exists
In the upper end of the column passes through flanged joint crossbeam；The lower end of the crossbeam is spaced the multiple flange-interfaces of setting；
Pass through the rear cross beam of flanged joint level on the rear support leg；The lower end of the rear cross beam is spaced the multiple flanges of setting and connects
Mouthful.
9. becoming the method that spacing double width bridge uses Segmental assembling bridge-erecting machine synchronous construction as claimed in claim 3, feature exists
In being provided with track on the girder, the hoisting overhead travelling crane being set on corresponding girder to sliding along vertical bridge in orbit；
The upper surface of the track invaginates to form a square groove, and the cover board coordinated with it, institute are provided in the square groove
It is hinged in orbit by axis pin along the side of track length direction to state cover board；
Continue invagination and form the first blind hole and second communicated therewith in side of the slot bottom of the square groove far from the axis pin
Blind hole is provided with vertical spring in first blind hole, and upper end and the other end of the cover board far from axis pin of the spring are fixed,
The lower end of the spring is fixed on the bottom hole of the first blind hole；
The inner cavity of second blind hole is cylindric, upper part fitting one piston of setting, the upper end of the piston and fixing axle
Lower end is fixed, and the upper end of fixing axle and the lower surface of cover board are hinged；There is penetrate through bottom surface thereon first on the piston
Round tube hole；The upper end of second blind hole is fixed with a first vertical round bar, and the lower end of the first round bar is coaxially fixed with cylinder
The rubber stopper of shape；
The side of the lower end of the piston is fixed with a rubber baffle, and the inside of the rubber baffle is bonded second blind hole
Inner wall；The other side of the lower end of the piston is fixed with the second vertical round bar, and the lower end of second round bar is fixed with a gear
Plug；
The side of the second blind hole setting rubber baffle is provided with one second round tube hole, and the second round tube hole connects with first pipe
Logical, the inner cavity of second blind hole is communicated by first pipe with an oil storage tank, and the top of the oil storage tank passes through second pipe
Connection is external；The bottom of second blind hole against the other side of second round tube hole is provided with third round tube hole, third circle
Through-hole is connected to the entrance of third pipeline, and the outlet of third pipeline is located at track upper surface；The bottom hole of second blind hole is opposite
The position of the stopper continues invagination and forms one the 4th blind hole, and the 4th blind hole coordinates with the stopper；
Wherein, when hoisting overhead travelling crane is not pressed on the cover board, the cover board is inclined, and the rubber baffle is located at described second
The surface of round tube hole, the stopper seal the third round tube hole, and the rubber stopper is located at the underface of the first round tube hole,
The hoisting overhead travelling crane pressure on the cover board when, the rubber baffle seals second round tube hole, and the rubber stopper is extruded in
It inside one round tube hole and is sealed against, the bottom of the stopper and the bottom hole of the 4th blind hole are affixed.
10. becoming the method that spacing double width bridge uses Segmental assembling bridge-erecting machine synchronous construction as claimed in claim 9, feature exists
In the outlet of the third pipeline is multiple.
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