CN110130229A - It a kind of several juxtaposed double cantilever erections machines and its sets a roof beam in place and passing method - Google Patents
It a kind of several juxtaposed double cantilever erections machines and its sets a roof beam in place and passing method Download PDFInfo
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- CN110130229A CN110130229A CN201910547503.3A CN201910547503A CN110130229A CN 110130229 A CN110130229 A CN 110130229A CN 201910547503 A CN201910547503 A CN 201910547503A CN 110130229 A CN110130229 A CN 110130229A
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- travelling crane
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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
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Abstract
The application discloses a kind of several juxtaposed double cantilever erections machines and its sets a roof beam in place and passing method, main couple is along construction direction, in the upper surface of main couple, preceding hoisting overhead travelling crane is set and rear hoisting overhead travelling crane moves back and forth on the track above girder along construction direction, former and later two hoisting overhead travelling crane tops are arranged transverse-moving mechanism and complete several to realize hanging beam transverse shifting while setting up；Four sets of supporting legs are arranged below main couple to support, it is followed successively by preceding auxiliary leg, front leg strut, middle supporting leg and rear support leg from front to back, wherein preceding auxiliary leg is arranged in front end, four sets of supporting legs can move back and forth along construction direction, and preceding, middle supporting leg top is arranged transverse-moving mechanism and completes several to realize main couple above section transverse shifting while setting up.Above-mentioned double cantilever erections machines are set a roof beam in place using both ends cantilevered, are set a roof beam in place meeting large span and while via hole, can be set up several juxtaposed bridges simultaneously, reduce via hole moment of flexure, alleviate main screw lift.
Description
Technical field
This application involves bridge constructions to equip Bridge Erector technical field, in particular to several a kind of juxtaposed double cantilever erections
It machine and its sets a roof beam in place and passing method.
Background technique
Bridge Erector is for prefabricated beam piece to be placed into the equipment that prefabricated bridge pier gets on.Bridge Erector has belonged to
Heavy-duty machine scope is put down after being then transported to position because its major function is to lift beam piece.But Bridge Erector in general sense
Crane be very different.The condition that Bridge Erector requires is harsh, and there are beam on piece travelings, or cry vertical shift.It builds bridge
Machine is divided into erection highway bridge, conventional railway bridge, and railway of passengers' private line bridge etc. is several.
Bridge Erector generally comprises: horn, trolley, No.1 column, No. two columns and No. three columns.
Horn is the support main beam of Bridge Erector, is double box-beam structures, according to the force status of horn and finite element analysis meter
It calculates, every box beam casting is at box variable cross-section form.
Bridge Erector is furnished with two trolleys, there is lifting mechanism, running mechanism and transverse-moving mechanism independent.Every is risen
Weight trolley is equipped with two sets of independent lifting mechanisms, and two sets of lifting mechanisms of rear trolley keep left and right suspension centre stress equal by force equalization mechanism
Weighing apparatus, so that four-point lifting when by Bridge Erector hanging beam operation is converted into three suspension centres, keeps box beam equilibrium loaded, quiet takeoff and landing.
No.1 column is the front leg strut of Bridge Erector, is supported on the pier first half support pinner of front.Mainly by support change gear machine
The composition such as structure, folding column, telescopic mast.Set a roof beam in place operation when with horn is longitudinally fixed becomes flexible leg at articulated structure, with machine
Arm, No. two columns form gantry frame structure, meet operation support of setting a roof beam in place and require.It can be opposite between No.1 column and horn when vertical shift operation
The vertical shift of Bridge Erector stride is realized in movement.No.1 column is equipped with fold mechanism, can satisfy and normally sets a roof beam in place and last hole box beam erection
When No.1 column on abutment support needs.There are three fixed positions can satisfy three kinds of different spans box beams for No.1 column and horn
It sets up.
No. two columns are located in the middle part of horn, consolidate with horn, are rigid legs.The lower beam of No. two columns is set there are two supporting leg,
The support pad and dismounting that support sleeper is realized by hydraulic cylinder are changed stable support when walking and set a roof beam in place operation and are required when meeting vertical shift.
Two supporting legs have transverse-moving mechanism, horn yaw are driven by No. two columns of traversing oil cylinder pushing, to laterally adjust bridge formation seat in the plane
It sets, accommodation curve is set a roof beam in place needs.Since beam car packs the needs of Bridge Erector operating condition, lower beam is designed to detachable.
No. three columns be Bridge Erector vertical shift driving pillar, for meet beam car feeding beam pass through and Bridge Erector vertical shift driving require,
It is designed to portal-framed structure.It is made of lifting column, fold mechanism, running mechanism, hydraulic suspension balancer, steering mechanism etc..
Bridge Erector sets up highway and railroad bridge is very universal, the Bridge Erector used both at home and abroad at present, is setting up letter
When strutbeam, hanging beam trolley is first laterally moved to two girder truss middle positions, and front and back hanging beam trolley cooperates hanging beam, vertical shift to two abutments it
Between, then traversing Bridge Erector and hanging beam trolley fall beam to accurate location.
With rapid development of economy, great variety is had occurred in the vehicles, and highway, railway traffic system have considerable
Sustainable development.In road traffic construction, bridge, the progress that the bridge construction of grand bridge is built complete whole traffic route
Work has significant impact.
Although the case where existing Bridge Erector can construct, and when large span is set a roof beam in place, main screw lift is big, several juxtapositions is more,
And via hole moment of flexure is big, is prone to accidents.
Summary of the invention
The application many aspects provide a kind of several juxtaposed double cantilever erections machines and its set a roof beam in place and passing method, using two
End cantilevered is set a roof beam in place, and while meeting large span and setting a roof beam in place, can set up several juxtaposed bridges simultaneously, while it is curved to reduce via hole
Square alleviates main screw lift.
The one side of the application provides several a kind of juxtaposed double cantilever erections machines, and double cantilever erections machines include main truss
Frame, preceding hoisting overhead travelling crane, rear hoisting overhead travelling crane, preceding auxiliary leg, front leg strut, middle supporting leg, rear support leg, wherein
The preceding hoisting overhead travelling crane and rear lifting is arranged in the upper surface of described main couple along construction direction in the main couple
Overhead traveling crane, and the preceding hoisting overhead travelling crane and the rear hoisting overhead travelling crane can move back and forth along the main couple along construction direction, before described
Hoisting overhead travelling crane and it is described after hoisting overhead travelling crane top setting transverse-moving mechanism complete several to realize hanging beam transverse shifting while setting up；
Below the main couple, the preceding auxiliary leg, the front leg strut, the middle supporting leg and described are set gradually
Rear support leg, wherein the preceding auxiliary leg is set to front end, the preceding auxiliary leg, the front leg strut, the middle supporting leg and
The rear support leg can move back and forth along construction direction；The front leg strut and the middle supporting leg top setting transverse-moving mechanism are to realize master
Truss above section transverse shifting is completed several while being set up.
Optionally, the bottom of the front leg strut is equipped with telescopic, and the top riding wheel apparatus of the front leg strut supports the master
Truss, the top of the front leg strut are riding wheel apparatus, and lower part and bridge pier anchor.
Optionally, the top of the middle supporting leg is riding wheel apparatus, and eight jacking cylinder supports are arranged at lower part.
Optionally, the top of the rear support leg and the main couple are rigidly connected, and jacking cylinder is arranged at lower part.
The another aspect of the application provides a kind of beam erecting method of double cantilever erections machines, and double cantilever erections machines include master
Truss, preceding hoisting overhead travelling crane, rear hoisting overhead travelling crane, preceding auxiliary leg, front leg strut, middle supporting leg, rear support leg, wherein the main couple edge
Construction direction the preceding hoisting overhead travelling crane and rear hoisting overhead travelling crane, and the preceding hoisting overhead travelling crane are set in the upper surface of described main couple
It can move back and forth along construction direction with the rear hoisting overhead travelling crane along the main couple, the preceding hoisting overhead travelling crane and the rear lifting day
Vehicle top is arranged transverse-moving mechanism and completes several to realize hanging beam transverse shifting while setting up；Below the main couple, successively
The preceding auxiliary leg, the front leg strut, the middle supporting leg and the rear support leg are set, wherein the preceding auxiliary leg setting
In front end, the preceding auxiliary leg, the front leg strut, the middle supporting leg and the rear support leg can be moved back along construction direction
It is dynamic；The front leg strut and the middle supporting leg top setting transverse-moving mechanism are to realize that main couple above section transverse shifting completes several
It sets up simultaneously；
Wherein, the beam erecting method of double cantilever erections machines includes:
Double cantilever erections machines are in erect-position state of setting a roof beam in place, and preceding beam car packs girder steel in place, the preceding hoisting overhead travelling crane
Suspender connect with girder steel front end suspension centre, the preceding hoisting overhead travelling crane promoted the girder steel to the girder steel front end be detached from it is described before fortune
Beam vehicle；
The preceding hoisting overhead travelling crane and the linkage of rear beam car move ahead, and stop after girder steel rear end suspension centre to the rear hoisting overhead travelling crane decentralization
Only, the rear hoisting overhead travelling crane suspender is connect with girder steel rear end suspension centre, and the rear hoisting overhead travelling crane promotes the girder steel to girder steel
Rear end is detached from the rear beam car；
The preceding hoisting overhead travelling crane is adjusted in place with the rear hoisting overhead travelling crane running gear linkage vertical shift, the preceding hoisting overhead travelling crane
With it is described after hoisting overhead travelling crane crossing system linkage it is traversing be adjusted in place, the preceding hoisting overhead travelling crane and it is described after hoisting overhead travelling crane raising system
System linkage, by the steel girder erection in designated position；
Double cantilever erections machine hangings are fixedly connected with new clothes girder steel and are applied certain pretightning force, utilize described preceding
Prefabricated bridge is installed on girder steel by weight overhead traveling crane and rear hoisting overhead travelling crane；
The connection between the girder steel and the hanging is released, Bridge Erector prepares via hole.
Optionally, the bottom of the front leg strut is equipped with telescopic, and the top riding wheel apparatus of the front leg strut supports the master
Truss, the top of the front leg strut are riding wheel apparatus, and lower part and bridge pier anchor.
Optionally, the top of the middle supporting leg is riding wheel apparatus, and eight jacking cylinder supports are arranged at lower part.
Optionally, the top of the rear support leg and the main couple are rigidly connected, and jacking cylinder is arranged at lower part.
The yet another aspect of the application provides a kind of passing method of double cantilever erections machines, and double cantilever erections machines include master
Truss, preceding hoisting overhead travelling crane, rear hoisting overhead travelling crane, preceding auxiliary leg, front leg strut, middle supporting leg, rear support leg, wherein the main couple edge
Construction direction the preceding hoisting overhead travelling crane and rear hoisting overhead travelling crane, and the preceding hoisting overhead travelling crane are set in the upper surface of described main couple
With it is described after hoisting overhead travelling crane can move back and forth along construction direction along the main couple, the preceding hoisting overhead travelling crane and it is described after rise
Setting transverse-moving mechanism in weight overhead traveling crane top is completed several to realize hanging beam transverse shifting while being set up；Below the main couple,
Set gradually the preceding auxiliary leg, the front leg strut, the middle supporting leg and the rear support leg, wherein the preceding auxiliary leg
It is set to front end, the preceding auxiliary leg, the front leg strut, the middle supporting leg and the rear support leg can be along construction directions back and forth
It is mobile；The front leg strut and the middle supporting leg top setting transverse-moving mechanism are to realize that it is more that main couple above section transverse shifting is completed
Width is set up simultaneously；
Wherein, the passing method of double cantilever erections machines includes:
The preceding hoisting overhead travelling crane and the rear hoisting overhead travelling crane walking are to the middle position of double cantilever erections machines, after described
The oil cylinder of supporting leg is retracted to disengaging girder steel；
The safe anchor between the middle supporting leg and the main couple is released, the middle supporting leg and the front leg strut are started
Vertical shift oil cylinder, main couple described in pushing tow is mobile to construction direction, and the main couple moves forward to the preceding auxiliary supporting leg and is located on bridge pier
Side, supports on the front leg strut to bridge pier；
The main couple and the front leg strut anchor；The rear support leg stretches out, and supports to Liang Mianshang；The middle supporting leg is packed up
To beam face is detached from, starting driving speed reducer drives the riding wheel apparatus of the middle supporting leg, keeps the middle supporting leg mobile to construction direction
To front leg strut rear portion designated position；It stretches out the middle supporting leg and is supported in Liang Mianshang, the middle supporting leg and the main couple anchor
Gu；
It releases the front leg strut and the main couple anchors, pack up the front leg strut to disengaging beam face；Starting walking is slowed down
Machine drives the riding wheel apparatus of the front leg strut, and the front leg strut is made to be moved to the preceding auxiliary supporting leg rear portion specific bit to construction direction
It sets, stretches out the front leg strut and be supported on bridge pier；
The preceding hoisting overhead travelling crane is moved to the main couple front end to construction direction, and the rear hoisting overhead travelling crane is moved to described
Right above middle supporting leg；The rear support leg is packed up to disengaging beam face.
Release the middle supporting leg and the anchor between the main couple；Start the middle supporting leg and the front leg strut is vertical
Oil cylinder is moved, the main couple is made to be moved to designated position to construction direction；By the middle supporting leg and the front leg strut and the master
Truss is anchored；Via hole in place, prepares to set up girder steel.
Optionally, the bottom of the front leg strut is equipped with telescopic, and the top riding wheel apparatus of the front leg strut supports the master
Truss, the top of the front leg strut are riding wheel apparatus, and lower part and bridge pier anchor；The top of the middle supporting leg is riding wheel apparatus, under
There are eight jacking cylinder supports in portion；The top of the rear support leg and the main couple are rigidly connected, and jacking cylinder is arranged at lower part.
It several juxtaposed double cantilever erections machines of foregoing description and its sets a roof beam in place and passing method, using both ends cantilevered frame
Beam can set up several juxtaposed bridges while meeting large span and setting a roof beam in place simultaneously, reduce via hole moment of flexure, alleviate complete machine weight
Amount.
Detailed description of the invention
Fig. 1 is a kind of structural schematic diagram of several juxtaposed double cantilever erections machines of one embodiment of the application.
Fig. 2-7 is the state of the process of setting a roof beam in place of several juxtaposed double cantilever erections machines of another embodiment of the application
Figure.
Fig. 8-13 is the process status figure of several juxtaposed double cantilever erections machine via holes of another embodiment of the application.
Specific embodiment
To keep the purposes, technical schemes and advantages of the embodiment of the present application clearer, below in conjunction with the embodiment of the present application
In attached drawing, the technical scheme in the embodiment of the application is clearly and completely described, it is clear that described embodiment is
Some embodiments of the present application, instead of all the embodiments.Based on the embodiment in the application, those of ordinary skill in the art
Every other embodiment obtained without creative efforts, shall fall in the protection scope of this application.
The terms "and/or", only a kind of incidence relation for describing affiliated partner, indicates that there may be three kinds of passes
System, for example, A and/or B, can indicate: individualism A exists simultaneously A and B, these three situations of individualism B.In addition, herein
Middle character "/" typicallys represent the relationship that forward-backward correlation object is a kind of "or".In addition, the terms " system " and " network "
It is often used interchangeably herein.
As shown in Figure 1, a kind of structural schematic diagram of double cantilever erections machines for one embodiment of the application, double cantilever shalvings
Bridge machine include main couple 1, preceding hoisting overhead travelling crane 2, rear hoisting overhead travelling crane 3, preceding auxiliary leg 4, front leg strut 5, middle supporting leg 6, rear support leg 7,
Electric hoist 8, hanging 9 and spreader beam 10, the spreader beam 10 are used for hoisting steel beam 11, in order to cooperate the work of double cantilever erections machines
Make, double cantilever erections machines further include necessary hydraulic system (not shown) and electrical system (not shown).
The main couple 1 is walked along construction direction, and in the upper surface of described main couple 1, preceding 2 He of hoisting overhead travelling crane is arranged
Hoisting overhead travelling crane 3 afterwards, and the preceding hoisting overhead travelling crane 2 and the rear hoisting overhead travelling crane 3 can move back and forth along the main couple 1, institute
Hoisting overhead travelling crane 2 and rear 3 top of the hoisting overhead travelling crane setting transverse-moving mechanism are before stating to realize that hanging beam transverse shifting completes several simultaneously
It sets up.In another embodiment of the application, the preceding hoisting overhead travelling crane 2 includes main trolley and auxiliary trolley, described auxiliary
Trolley is for spreading bridge floor.
Below the main couple 1, the preceding auxiliary leg 4, the front leg strut 5, middle 6 and of supporting leg are set gradually
The rear support leg 7, wherein the preceding auxiliary leg 4 is placed in front end, and the front leg strut 5 and the middle supporting leg 6 can support
On bridge pier, the rear support leg 7 can be supported on the bridge to have completed, the preceding auxiliary leg 4, the front leg strut 5, described
Anti- change gear, which is arranged, in middle supporting leg 6 and the rear support leg 7 to move back and forth along construction direction.On the front leg strut 5 and the middle supporting leg 6
Portion is arranged transverse-moving mechanism and completes several to realize main couple above section transverse shifting while setting up.
The preceding auxiliary leg 4 is designed using c-type, and the bottom of the front leg strut 5 is equipped with telescopic, the front leg strut 5
Top riding wheel apparatus supports the main couple 1, and the top of the front leg strut 5 is riding wheel apparatus, and lower part and bridge pier anchor.In described
The top of supporting leg 6 is riding wheel apparatus, and eight jacking cylinder supports are arranged at lower part.The top of the rear support leg 7 and the main couple 1 are just
Property connection, jacking cylinder is arranged at lower part.When the riding wheel apparatus of the front leg strut 5 and the middle supporting leg 6 is used for Bridge Erector via hole
Main couple is pushed to move forward by the way that oil cylinder is flexible.
The electric hoist 8 can be placed in the most rear side of the main couple 1, that is, the side completed.
It is double cantilever erections of another embodiment of the application as illustrated in figs. 2-7 in another embodiment of the application
The state diagram of the process of setting a roof beam in place of machine, in conjunction with Fig. 1, the beam erecting method of double cantilever erections machines can be as described below.
Step 201, Bridge Erector is in erect-position state of setting a roof beam in place, and preceding beam car packs girder steel in place, the suspender of preceding hoisting overhead travelling crane 2
It is connect with girder steel front end suspension centre, preceding hoisting overhead travelling crane 2 promotes beam car before girder steel is detached to girder steel front end.
Step 202, preceding hoisting overhead travelling crane 2 moves ahead with the linkage of rear beam car, after girder steel rear end suspension centre to rear hoisting overhead travelling crane 3 is transferred
Stop, rear 3 suspender of hoisting overhead travelling crane is connect with girder steel rear end suspension centre, and rear hoisting overhead travelling crane 3 is promoted after girder steel is detached to girder steel rear end and transported
Beam vehicle.
Step 203, preceding hoisting overhead travelling crane 2 is adjusted in place with the linkage vertical shift of rear 3 running gear of hoisting overhead travelling crane, preceding hoisting overhead travelling crane 2
With the linkage of rear 3 crossing system of hoisting overhead travelling crane is traversing is adjusted in place, preceding hoisting overhead travelling crane 2 links with rear 3 hoisting system of hoisting overhead travelling crane, will
Steel girder erection is in designated position.
Step 204, Bridge Erector hanging is fixedly connected with new clothes girder steel and is applied certain pretightning force, utilize preceding hoisting overhead travelling crane
2 are installed to prefabricated bridge on girder steel with rear hoisting overhead travelling crane 3.
Step 205, the connection between girder steel and hanging is released, Bridge Erector prepares via hole.
It is the process status figure of double cantilever erections machine via holes of another embodiment of the application, in conjunction with figure such as Fig. 8-13
1, the via hole process of double cantilever erections machines can be as described below.
Step 301, the middle position of double cantilever erections machines is arrived in preceding hoisting overhead travelling crane 2 and the walking of rear hoisting overhead travelling crane 3, rear to prop up
The oil cylinder of leg 7 is retracted to disengaging girder steel.
Step 302, the safe anchor in releasing between supporting leg 6 and main couple 1,5 vertical shift of supporting leg 6 and front leg strut in starting
Oil cylinder, pushing tow main couple 1 is mobile to construction direction, and auxiliary supporting leg 4 is located above bridge pier before main couple 1 moves forward to, and supports front leg strut 5
Onto bridge pier.
Step 303, main couple 1 and front leg strut 5 anchor；Rear support leg 7 stretches out, and supports to Liang Mianshang；Middle supporting leg 6 is retracted to de-
From beam face, starts the riding wheel apparatus that driving speed reducer drives the middle supporting leg 6, be moved to the middle supporting leg 6 to construction direction
The 5 rear portion designated position of front leg strut；Supporting leg 6 is supported in Liang Mianshang in stretching, and middle supporting leg 6 is anchored with main couple 1.
Step 304, it releases front leg strut 5 and main couple 1 anchors, pack up the front leg strut 5 to disengaging beam face；Starting walking subtracts
Fast machine drives 5 riding wheel apparatus of front leg strut, so that front leg strut 5 is moved to the preceding auxiliary 4 rear portion designated position of supporting leg to construction direction, stretches
5 oil cylinder of front leg strut is supported on bridge pier out.
Step 305, preceding hoisting overhead travelling crane 2 is moved to 1 front end of main couple to construction direction, and rear hoisting overhead travelling crane 3 is moved to
Right above middle supporting leg 6；Rear support leg 7 is packed up to disengaging beam face.
Step 306, supporting leg 6 and the anchor between main couple 1 in releasing；Supporting leg 6 and front leg strut 5 vertical shift oil in starting
Cylinder makes the main couple 1 be moved to designated position to construction direction；Middle supporting leg 6 is anchored with front leg strut 5 and main couple 1；
Via hole in place, prepares to set up girder steel.
In conclusion double cantilever erections machines are set a roof beam in place using both ends cantilevered, while meeting large span and setting a roof beam in place, subtract
Few via hole moment of flexure, alleviates main screw lift.
The above, above embodiments are only to illustrate the technical solution of the application, rather than its limitations；Although referring to before
Embodiment is stated the application is described in detail, those skilled in the art should understand that: it still can be to preceding
Technical solution documented by each embodiment is stated to modify or equivalent replacement of some of the technical features；And these
It modifies or replaces, the spirit and scope of each embodiment technical solution of the application that it does not separate the essence of the corresponding technical solution.
Claims (10)
1. several a kind of juxtaposed double cantilever erections machines, which is characterized in that double cantilever erections machines include main couple (1), preceding
Hoisting overhead travelling crane (2), rear hoisting overhead travelling crane (3), preceding auxiliary leg (4), front leg strut (5), middle supporting leg (6), rear support leg (7), wherein
The main couple (1) is along construction direction, in the upper surface of described main couple (1), be arranged the preceding hoisting overhead travelling crane (2) and after
Hoisting overhead travelling crane (3), and the preceding hoisting overhead travelling crane (2) and the rear hoisting overhead travelling crane (3) can be along construction directions along the main couple (1)
Move back and forth, the preceding hoisting overhead travelling crane (2) and rear hoisting overhead travelling crane (3) the top setting transverse-moving mechanism are to realize that hanging beam laterally moves
Moving completion, several set up simultaneously；
Below the main couple (1), the preceding auxiliary leg (4), the front leg strut (5), institute are set gradually from front to back
State middle supporting leg (6) and the rear support leg (7), wherein the preceding auxiliary leg (4) is set to front end, the preceding auxiliary leg
(4), the front leg strut (5), the middle supporting leg (6) and the rear support leg (7) move back and forth along construction direction；
The front leg strut (5) and middle supporting leg (6) top setting transverse-moving mechanism are to realize main couple above section transverse shifting
It completes several while setting up.
2. several juxtaposed double cantilever erections machines as described in claim 1, which is characterized in that the front leg strut (5) supports to
Bridge pier top surface, the top of the front leg strut (5) are riding wheel apparatus, and middle part is crossbeam, and lower part and bridge pier anchor, the front leg strut
(5) bottom is anchored equipped with telescopic and bridge pier, and the top riding wheel apparatus of the front leg strut (5) supports the main couple (1), support
It takes turns top and anti-change gear is set in girder lower cover plate two sides, vertical shift mechanism is arranged in support roller top, girder longitudinal movement is realized, before described
Transverse-moving mechanism is set on supporting leg (5) crossbeam, realizes main couple above section transverse shifting.
3. several juxtaposed double cantilever erections machines as described in claim 1, which is characterized in that the middle supporting leg (6) is supported on
The top of beam-ends, the middle supporting leg (6) is riding wheel apparatus, and middle part is crossbeam, and lower part shares eight jacking cylinders, the middle supporting leg
(6) top riding wheel apparatus is consistent with front leg strut (5) function with transverse-moving mechanism, middle supporting leg (6) the crossbeam setting anchor with
The anchoring of beam face, middle supporting leg (6) the lower part jacking cylinder support to beam-ends.
4. several juxtaposed double cantilever erections machines as claimed in any one of claims 1-3, which is characterized in that the rear support leg
(7) top and the main couple (1) is rigidly connected, and lower part has jacking cylinder to support to beam face.
5. a kind of beam erecting method of several juxtaposed double cantilever erections machines, which is characterized in that double cantilever erections machines include master
Truss (1), preceding hoisting overhead travelling crane (2), rear hoisting overhead travelling crane (3), preceding auxiliary leg (4), front leg strut (5), middle supporting leg (6), rear support leg
(7), wherein the preceding hoisting overhead travelling crane is arranged in the upper surface of described main couple (1) along construction direction in the main couple (1)
(2) and rear hoisting overhead travelling crane (3), and the preceding hoisting overhead travelling crane (2) and it is described after hoisting overhead travelling crane (3) can edge along the main couple (1)
Construction direction moves back and forth, and the preceding hoisting overhead travelling crane (2) and rear hoisting overhead travelling crane (3) the top setting transverse-moving mechanism are hung with realizing
Beam transverse shifting is completed several while being set up；Below the main couple (1), the preceding auxiliary leg (4), institute are set gradually
State front leg strut (5), the middle supporting leg (6) and the rear support leg (7), wherein the preceding auxiliary leg (4) is set to front end,
The preceding auxiliary leg (4), the front leg strut (5), the middle supporting leg (6) and the rear support leg (7) can be along construction directions back and forth
It is mobile；The front leg strut (5) and middle supporting leg (6) top setting transverse-moving mechanism are to realize main couple above section transverse shifting
It completes several while setting up；
Wherein, the beam erecting method of several juxtaposed double cantilever erections machines includes:
Double cantilever erections machines are in erect-position state of setting a roof beam in place, and preceding beam car packs girder steel in place, the preceding hoisting overhead travelling crane (2)
Suspender is connect with girder steel front end suspension centre, the preceding hoisting overhead travelling crane (2) promoted the girder steel to the girder steel front end be detached from it is described before
Beam car；
The preceding hoisting overhead travelling crane and the linkage of rear beam car move ahead, and stop after girder steel rear end suspension centre to the rear hoisting overhead travelling crane decentralization,
Hoisting overhead travelling crane (3) suspender is connect with girder steel rear end suspension centre after described, and the rear hoisting overhead travelling crane (3) promotes the girder steel to steel
Beam rear end is detached from the rear beam car；
The preceding hoisting overhead travelling crane is adjusted in place with the rear hoisting overhead travelling crane running gear linkage vertical shift, the preceding hoisting overhead travelling crane and institute
State that the linkage of rear hoisting overhead travelling crane crossing system is traversing to be adjusted in place, the preceding hoisting overhead travelling crane and it is described after hoisting overhead travelling crane hoisting system join
It is dynamic, by the steel girder erection in designated position；
The above step, which passes sequentially through the preceding hoisting overhead travelling crane, and rear hoisting overhead travelling crane is traversing and main couple is traversing completes other simultaneously
Set the erection of beam.
Double cantilever erections machine hangings are fixedly connected with new clothes girder steel and apply certain pretightning force and realize beam body arch camber, are utilized
Prefabricated bridge is installed on girder steel by the preceding hoisting overhead travelling crane and rear hoisting overhead travelling crane (3)；
The connection between the girder steel and the hanging is released, Bridge Erector prepares via hole.
6. beam erecting method as claimed in claim 5, which is characterized in that the top of the front leg strut (5) is riding wheel apparatus, middle part
For crossbeam, lower part and bridge pier are anchored, the bottom of the front leg strut (5) equipped with the anchoring of telescopic bridge pier, the front leg strut (5) it is upper
Portion's riding wheel apparatus support main couple (1).
7. beam erecting method as claimed in claim 5, which is characterized in that the top of the middle supporting leg (6) is riding wheel apparatus, lower part
Share eight jacking cylinders.
8. the beam erecting method as described in claim 5-7 any one, which is characterized in that the top of the rear support leg (7) and institute
Main couple (1) rigid connection is stated, jacking cylinder is arranged at lower part.
9. a kind of passing method of double cantilever erections machines, which is characterized in that double cantilever erections machines include main couple (1), preceding
Hoisting overhead travelling crane (2), rear hoisting overhead travelling crane (3), preceding auxiliary leg (4), front leg strut (5), middle supporting leg (6), rear support leg (7), wherein institute
It states main couple (1) and the preceding hoisting overhead travelling crane (2) and rear lifting day is set in the upper surface of described main couple (1) along construction direction
Vehicle (3), and the preceding hoisting overhead travelling crane (2) and the rear hoisting overhead travelling crane (3) can be moved back along the main couple (1) along construction direction
Dynamic, the preceding hoisting overhead travelling crane (2) and rear hoisting overhead travelling crane (3) the top setting transverse-moving mechanism are to realize that hanging beam transverse shifting is completed
Several set up simultaneously；Below the main couple (1), the preceding auxiliary leg (4), the front leg strut (5), institute are set gradually
State middle supporting leg (6) and the rear support leg (7), wherein the preceding auxiliary leg (4) is set to front end, the preceding auxiliary leg
(4), the front leg strut (5), the middle supporting leg (6) and the rear support leg (7) can move back and forth along construction direction；The front leg strut
(5) and middle supporting leg (6) top setting transverse-moving mechanism is to realize that main couple above section transverse shifting completes several framves simultaneously
If；
Wherein, the passing method of double cantilever erections machines includes:
The preceding hoisting overhead travelling crane and the rear hoisting overhead travelling crane are walked to the middle position of double cantilever erections machines, the rear support leg
Oil cylinder be retracted to disengaging girder steel；
It releases the safe anchor between the middle supporting leg (6) and the main couple (1), starts the middle supporting leg (6) and described
Front leg strut (5) vertical shift oil cylinder, main couple (1) described in pushing tow is mobile to construction direction, and the main couple (1) moves forward to described preceding auxiliary
Supporting leg (4) is located above bridge pier, supports on the front leg strut (5) to bridge pier；
The main couple (1) and the front leg strut (5) anchor；The rear support leg (7) is stretched out, and Liang Mianshang is supported to；The middle branch
Leg (6) is retracted to the beam face that is detached from, and starting driving speed reducer drives the riding wheel apparatus of the middle supporting leg (6), makes the middle supporting leg (6)
The front leg strut (5) rear portion designated position is moved to construction direction；It stretches out the middle supporting leg (6) and is supported in Liang Mianshang, it is described
Middle supporting leg (6) and the main couple (1) anchor；
It releases the front leg strut (5) and the main couple (1) to anchor, packs up the front leg strut (5) to disengaging beam face；Starting walking
Speed reducer drives the riding wheel apparatus of the front leg strut (5), and the front leg strut (5) is made to be moved to the preceding auxiliary supporting leg to construction direction
(4) rear portion designated position is stretched out the front leg strut (5) and is supported on bridge pier；
The preceding hoisting overhead travelling crane (2) is moved to the main couple front end to construction direction, and the rear hoisting overhead travelling crane is moved to described
Right above middle supporting leg (6)；The rear support leg (7) are packed up to disengaging beam face.
Release the middle supporting leg (6) and the anchor between the main couple (1)；Start the middle supporting leg (6) and it is described before
Supporting leg (5) vertical shift oil cylinder, makes the main couple (1) be moved to designated position to construction direction；By the middle supporting leg (6) with it is described
Front leg strut (5) and the main couple (1) are anchored；Via hole in place, prepares to set up girder steel.
10. passing method as claimed in claim 9, which is characterized in that the bottom of the front leg strut (5) is equipped with oil cylinder, described
The upper beam of front leg strut (5) and the main couple (1) are rigidly connected, and the top of the front leg strut (5) is riding wheel apparatus, lower part
It is anchored with bridge pier；The top of the middle supporting leg (6) is riding wheel apparatus, and eight jacking cylinder supports are arranged at lower part；The rear support leg (7)
Top and the main couple (1) be rigidly connected, jacking cylinder is arranged at lower part.
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| CN201910547503.3A CN110130229A (en) | 2019-06-24 | 2019-06-24 | It a kind of several juxtaposed double cantilever erections machines and its sets a roof beam in place and passing method |
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| CN201910547503.3A CN110130229A (en) | 2019-06-24 | 2019-06-24 | It a kind of several juxtaposed double cantilever erections machines and its sets a roof beam in place and passing method |
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| CN110820573A (en) * | 2019-11-07 | 2020-02-21 | 中交路桥建设有限公司 | Construction method of steel-concrete composite beam of high-pier long-span bridge in mountainous area |
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| CN113802467A (en) * | 2021-10-27 | 2021-12-17 | 重庆城建控股(集团)有限责任公司 | Large-gradient beam erecting method based on bridge girder erection machine |
| CN114319111A (en) * | 2021-12-07 | 2022-04-12 | 保利长大工程有限公司 | Bridge girder erection machine, front supporting leg reversing method and hole passing method of bridge girder erection machine |
| CN114508052A (en) * | 2022-01-14 | 2022-05-17 | 保利长大工程有限公司 | Pier-beam assembly type integrated construction method |
| CN114606861A (en) * | 2022-03-01 | 2022-06-10 | 中交第二航务工程局有限公司 | Distributed supporting and erecting method for large-span segmental bridge |
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