CN109629422A - A kind of new Bridge Erector traverses over width method - Google Patents
A kind of new Bridge Erector traverses over width method Download PDFInfo
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- CN109629422A CN109629422A CN201811436437.4A CN201811436437A CN109629422A CN 109629422 A CN109629422 A CN 109629422A CN 201811436437 A CN201811436437 A CN 201811436437A CN 109629422 A CN109629422 A CN 109629422A
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- luffing
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- 230000001360 synchronised effect Effects 0.000 claims description 6
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- 238000010586 diagram Methods 0.000 description 4
- 238000005461 lubrication Methods 0.000 description 3
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Classifications
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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 invention discloses a kind of new Bridge Erectors to traverse over width method, comprising: S1 installs a pair of of luffing track along direction across bridge in the pier top of the adjacent two couple bridge pier of left and right width respectively；S2 slides corresponding luffing crossbeam to its both ends on luffing track and is located above the pier top of the bridge pier of left and right width, and adjustment luffing crossbeam is horizontal and is fixed on luffing crossbeam in the pier top of bridge pier of corresponding left and right width；S3, on a pair of of luffing crossbeam, by Bridge Erector from traversing to an another width.The present invention have the advantages that be suitable for 40 meters or more bridge floor, construction cost it is low etc., can be widely applied to double width bridge construction technical field.
Description
Technical field
The present invention relates to double width bridge construction technical fields.It is more particularly related to which a kind of new Bridge Erector is traversing
Cross width method.
Background technique
For two-way road precast segment bridge, domestic Precast Concrete Segmental Bridges Bridge Erector is commonly traditional single width at present
Bridge construction, that is, by traversing jib lubbing mechanism by traversing to another width bridge construction of complete machine after a width bridge of having constructed.Existing construction party
Method, when carrying out luffing, need with loop wheel machine by luffing transverse beam lifting in place after, then on luffing crossbeam by Bridge Erector from a width
Pushing tow is to another width.But for the bridgework of 40 meters or more of bridge floor, requirement of the above-mentioned hanging method for loop wheel machine
Height lifts the at high cost of a luffing crossbeam.Moreover, being prepared construction, and high bridge to ground in advance using loop wheel machine needs
The lifting construction in face, Hoisting Security coefficient is low, and lifting tonnage is excessive to be easy to that safety accident occurs.
Summary of the invention
It is an object of the invention to solve at least the above problems, and provide the advantages of at least will be described later.
It is a still further object of the present invention to provide the low new bridge formations of a kind of bridge floor for being suitable for 40 meters or more, construction cost
Machine traverses over width method.
In order to realize these purposes and other advantages according to the present invention, provides the new Bridge Erector of one kind and traverse over width side
Method, comprising:
S1 installs a pair of of luffing track along direction across bridge in the pier top of the adjacent two couple bridge pier of left and right width respectively；
S2 slides corresponding luffing crossbeam to its both ends on luffing track and is located at pier in the bridge pier of left and right width
Top top, adjustment luffing crossbeam is horizontal and is fixed on luffing crossbeam in the pier top of bridge pier of corresponding left and right width；
S3, on a pair of of luffing crossbeam, by Bridge Erector from traversing to an another width.
Preferably, the step S1 is specifically included:
S11, by Bridge Erector, along vertical bridge, cantilever exceeds the width to before and after being moved to its girder on the width constructed
A pair bridge pier length it is identical；
S12 installs forward and backward supporting leg to respectively close to a centering supporting leg, and makes the upright supports of rear support leg in having constructed
On the beam face of completion, the upright supports of front leg strut and make forward and backward in the pier top of the pier stud positioned at front for the width constructed
The front beam and rear cross beam of supporting leg support the girder of Bridge Erector；
S13, supporting leg in dismounting, and the column of a centering supporting leg is mounted respectively to forward and backward a pair of of bridge pier of another width
Pier top；
S14 installs a pair of of luffing track using tower crane, and one end of which is fixed on the column of middle supporting leg, the other end is set
It sets on beam face.
Preferably, the step S2 is specifically included:
S21, it is using overhead traveling crane that the crossbeam of one centering supporting leg is slidable, be separately mounted on a pair of of luffing track, and
Positioned at the underface of the girder of the Bridge Erector；
S22 slides the crossbeam of the middle supporting leg, it is made to slide 8-12 along luffing track along direction across bridge and towards another width
Rice；
S23, using overhead traveling crane lift a pair of of luffing attachment beam to the Bridge Erector girder underface, and by a pair of of luffing
Attachment beam is connect with the crossbeam of a pair of middle supporting leg respectively；
S24 slides a pair of of luffing attachment beam, so that the crossbeam of a centering supporting leg is located at a centering on luffing track
Above the column of supporting leg；
S25 is lifted in a pair of of luffing on supporting leg to luffing track with overhead traveling crane, and by supporting leg in a pair of of luffing respectively with a pair
The connection of luffing crossbeam；
One centering supporting leg crossbeam is detachably mounted on the column of middle supporting leg by S26 respectively, and will be propped up in a pair of of luffing
Leg is detachably mounted to Liang Mianshang respectively.
Preferably, the new Bridge Erector of described one kind traverses over width method, further includes: the step S3 is specifically included:
S31 is respectively mounted a pair of of trolley in one end of each luffing crossbeam, and the girder of Bridge Erector is made to fall in all trolleys
On；
S32, under the synchronous promotion of two traversing oil cylinders, the trolley of the pier top of front and back bridge pier is synchronous, from luffing crossbeam
One end, the other end of luffing crossbeam is moved to along direction across bridge, so that the Bridge Erector fallen on the car completes luffing.
Preferably, the luffing track is I-steel, and the luffing crossbeam can be along luffing track length direction by sliding block
On luffing track, the sliding block is that square block and its lower surface invaginate that form one inverted T shaped and along luffing rail for the setting of sliding
The sliding slot of road length direction perforation；The sliding slot makes the sliding block form a pair of of bottom plate, a top plate and a pair of vertical side plate；Institute
The vertical side plate of a pair for stating sliding slot is pressed against a pair of of top flange plate of the luffing track respectively, and the sliding block is arranged by its sliding slot
On the luffing track, the lower surface of the top plate of the sliding block is bonded the top surface of the luffing track.
Preferably, the top of the first end face of web one end of the luffing track invaginates to form a square groove；It is described
It invaginates to form a vertical perforation to the square groove, up big and down small step through-hole in the top surface of luffing track；The side
A jacking block is provided in connected in star comprising integrally formed top and lower part, the top for jacking block is square block, its underpart
For the cylindric of top bottom center is arranged in；Opposite, the vertical lateral surface of a pair on the top of the jacking block each along
Luffing track width direction extends to form the first fixture block of the web that one protrudes from luffing track；The top surface distance of the jacking block
The groove top 10-20 ㎝ of the square groove, the bottom surface on the top of the jacking block are fitted in the slot bottom of square groove, the jacking
The lower part of block is built in web；
The lower surface of a pair of of upper flange of the luffing track is symmetrical arranged the cylinder body of a pair of vertical oil cylinder, telescopic end
End face is respectively and fixedly provided with the second fixture block of an inversion T-type, is respectively toward to one first fixture block；
The top of the upper section of the step through-hole is full of lubricating oil, and a cylinder is arranged in the lower part of the upper section of the step through-hole
Lubricating oil, is interposed between the top of the upper end of step through-hole by the sealing rubber plug of shape, in the lower surface of the sealing rubber plug
Portion is downwardly extending a push rod, and lower end is pierced by the lower section of the step through-hole and against the upper surface of the jacking block；
The vertical side of a pair of of bottom plate of the sliding block, which is invaginated, forms one along the of the perforation of luffing track length direction
One card slot is matched with first fixture block；The inner surface of a pair of bottom plate invaginate formed it is one inverted T shaped, along change
Second card slot of width track length direction perforation；It is matched with second fixture block.
Preferably, the second end face of the web other end of the luffing track is invaginated along the length direction of luffing track
A blind hole is formed, close to the square groove；
Invaginate the circular hole to form multiple perforations to the blind hole for the top surface of the luffing track, a diameter of 1-2 ㎝.
Preferably, a sealing corking is provided at the top of the step through-hole.
The present invention is include at least the following beneficial effects:
The new Bridge Erector of one kind provided by the invention traverses over width method, by lifting luffing track, and by luffing crossbeam
Be divided into three sections, segmentation luffing crossbeam is slid in place from luffing track, reduce in luffing work progress, for lifting set
Standby requirement reduces the cost of construction, easy for construction, therefore the present invention is a kind of bridge floor for being suitable for 40 meters or more, is constructed into
This low new Bridge Erector traverses over width method.
Further advantage, target and feature of the invention will be partially reflected by the following instructions, and part will also be by this
The research and practice of invention and be understood by the person skilled in the art.
Detailed description of the invention
Fig. 1-7 is that the present invention traverses over width work progress figure；
Fig. 8 is the connection relationship diagram of sliding block of the present invention and luffing track；
When Fig. 9 is that telescopic rod of the present invention is in longest state, the positional diagram of the push rod, guide pad；
Figure 10 is the positional diagram of the invention step through-hole, square groove；
When Figure 11 is that telescopic rod of the present invention is in most short status, the positional diagram of the push rod, guide pad.
Description of symbols: 1, bridge pier, 2, luffing track, 3, luffing crossbeam, 4, Bridge Erector, 5, trolley, 6, girder, 7, cross
Move oil cylinder, 8, beam face, 9, middle supporting leg, 10, front leg strut, 11, rear support leg, 12, the column of middle supporting leg, 13, the crossbeam of middle supporting leg,
14, overhead traveling crane, 15, luffing attachment beam, 16, supporting leg in luffing, 17, pipe bending cylinder, 18, sliding block, 19, the bottom plate of sliding block, 20, sliding block
Top plate, 21, the vertical side plate of sliding block, 22, top flange plate, 23, web, 24, square groove, 25, step through-hole, 26, jacking
Block, 27, jack the top of block, 28, jack the lower part of block, the 29, first fixture block, 30, vertical oil cylinder, the 31, second fixture block, 32, close
Seal rubber stopper, 33, push rod.
Specific embodiment
Present invention will be described in further detail below with reference to the accompanying drawings, to enable those skilled in the art referring to specification text
Word can be implemented accordingly.
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 positional 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 that the device of indication or suggestion meaning or element must have a particular orientation, be constructed and operated in a specific orientation, because
This is not considered as limiting the invention.
As shown in figs. 1-11, the present invention provides the new Bridge Erector of one kind and traverses over width method, comprising:
S1 installs a pair of of luffing track along direction across bridge in the pier top of the adjacent two couple bridge pier 1 of left and right width respectively
2；
S2 slides corresponding luffing crossbeam 3 to its both ends on luffing track 2 and is located at bridge pier 1 in left and right width
Above pier top, adjustment luffing crossbeam 3 is horizontal and is fixed on luffing crossbeam 3 in the pier top of bridge pier 1 of corresponding left and right width；
S3, on a pair of of luffing crossbeam 3, by Bridge Erector 4 from traversing to an another width.
In this kind of technical solution, new Bridge Erector 4 provided by the invention traverses over width method, is suitable for bridge floor above Ground
The luffing of Bridge Erector 4 in the double width bridge construction in 40 meters of face or more, under 40 meters or more of execution conditions, in Bridge Erector 4
In amplitude changing process, if the requirement of the hanging device in place, needed is directly lifted to luffing crossbeam 3 using conventional method
Height, cost is also high, therefore the present invention is slid luffing crossbeam 3 in place using lifting luffing track 2, then from luffing track 2
Mode, because the weight of luffing track 2 is far smaller than the weight of luffing crossbeam 3, requirement and cost to hanging device are all
It can reduce.Luffing crossbeam 3 is slid in place on luffing track by pipe bending cylinder 17.It should be noted that bridge formation of the present invention
Machine is Precast Concrete Segmental Bridges Bridge Erector.Luffing track can be a pair, or one, when luffing track is one,
The pier top for first installing the luffing track extremely bridge pier positioned at front of two width of left and right, after sliding a luffing crossbeam in place, then will
After the luffing track takes out, install the luffing track to two width of left and right the bridge pier being located behind pier top, then by remaining one
A luffing crossbeam sliding is in place.
In the present invention, in the pier top of the adjacent two couple pier stud bridge pier of left and right width, one is installed respectively along direction across bridge
To luffing track 2；Wherein, two pairs of pier studs refer to N the and N+1 pier of left width, N the and N+1 pier with right width, such as N=15, then two
15, the 16 of left width this pair of of bridge pier and 15, the 16 of right width this pair of of bridge pier are referred respectively to bridge pier, width is traversed over and just refers to,
It Bridge Erector from 15,16 piers of left width, slides on 15,16 piers of right width, or Bridge Erector is sliding from 15,16 piers of right width
Move on 15,16 piers of left width, meanwhile, one end of a luffing track in a pair of of luffing track of installation in right 15 piers,
15 piers of the other end in left width；One end of another luffing track is in 16 piers of right width, and the other end is on left 16 piers, the Duan Wen
15,16 in word are different from the label in description of symbols.
The rigidity of luffing track 2 does not have the rigidity of luffing crossbeam 3 big, therefore in the construction process, it is moved in luffing crossbeam 3
Behind position, the both ends of luffing crossbeam 3 can be directly anchored to respectively on column 12 or the beam face 8 constructed.
In another technical solution, the step S1 is specifically included:
S11, by Bridge Erector 4, along vertical bridge, cantilever exceeds this to before and after being moved to its girder 6 on the width constructed
The length of a pair bridge pier 1 of width is identical；
S12 installs forward and backward supporting leg 11 to respectively close to a centering supporting leg 9, and the column 12 of rear support leg 11 is supported in
It has constructed on the beam face 8 of completion, the upright supports of front leg strut and make in the pier top of the pier stud positioned at front for the width constructed
The front beam and rear cross beam that obtain forward and backward supporting leg 11 support the girder 6 of Bridge Erector 4；
S13, supporting leg 9 in dismounting, and the column 12 of a centering supporting leg 9 is mounted respectively to forward and backward a pair of of bridge of another width
The pier top of pier 1；
S14 installs a pair of of luffing track 2 using tower crane, another one end of which is fixed on the column 12 of middle supporting leg 9
End is arranged on beam face 8.
In this kind of technical solution, S11 can allow front leg strut 10 and rear support leg 11 more stable to the support of Bridge Erector 4.Step
In rapid S13, one centering supporting leg of dismounting is assisted using overhead traveling crane so that the column of middle supporting leg and its crossbeam are dismantled, then with tower crane or
Other small-sized cranes lift middle supporting leg column to the pier top of forward and backward a pair of of bridge pier of another width, in the work progress of this method
In, the tonnage of lifting is controlled at 3 tons hereinafter, safety coefficient is high.
In another technical solution, the step S2 is specifically included:
S21, it is using overhead traveling crane 14 that the crossbeam 13 of a centering supporting leg 9 is slidable, be separately mounted to a pair of of luffing track 2
On, and it is respectively positioned on the underface of the girder 6 of the Bridge Erector 4；
S22 slides the crossbeam 13 of the middle supporting leg 9, slides it along luffing track 2 along direction across bridge and towards another width
8-12 meters；
S23, using overhead traveling crane 14 lift a pair of of luffing attachment beam 15 to the Bridge Erector 4 girder 6 underface, and by one
Luffing attachment beam 15 is connect with the crossbeam 13 of a pair of middle supporting leg 9 respectively；
S24 slides a pair of of luffing attachment beam 15, so that the crossbeam 13 of a centering supporting leg is located on luffing track 2
12 top of column of one centering supporting leg；
S25 is lifted in a pair of of luffing on supporting leg 16 to luffing track 2 with overhead traveling crane 14, and supporting leg 16 in a pair of of luffing is divided
It is not connect with a pair of of luffing crossbeam 3；
One centering supporting leg, 9 crossbeam is detachably mounted on the column 12 of middle supporting leg 9 by S26 respectively, and by a pair of of luffing
Supporting leg 9 is detachably mounted to respectively on beam face 8 in middle supporting leg 16.
Luffing track of the invention end to end forms one by three sections of supporting leg in middle supporting leg crossbeam, luffing attachment beam, luffing
It is whole, as shown in Figure 5.
In another technical solution, the new Bridge Erector of described one kind traverses over width method, further includes: the step
S3 is specifically included:
S31 is respectively mounted a pair of of trolley 5 in one end of each luffing crossbeam 3, and it is all that the girder 6 of Bridge Erector 4 is fallen in
On trolley 5；
S32, under the synchronous promotion of a pair of traversing oil cylinder 7, the trolley 5 of the pier top of front and back bridge pier 1 is synchronous, from luffing crossbeam
3 one end, the other end of luffing crossbeam 3 is moved to along direction across bridge, so that the Bridge Erector 4 fallen on trolley 5 completes luffing.
In another technical solution, the luffing track 2 is I-steel, and the luffing crossbeam 3 can edge by sliding block 18
The setting of 2 length direction of luffing track sliding is on luffing track 2, and the sliding block 18 is square block and its lower surface invaginates to be formed
One sliding slot inverted T shaped and along the perforation of 2 length direction of luffing track；The sliding slot makes the sliding block 18 form a pair of of bottom plate
19, a top plate 20 and a pair of vertical side plate 21；The vertical side plate of a pair of the sliding slot is pressed against a pair of the luffing track 2 respectively
Top flange plate 22, the sliding block 18 are set on the luffing track 2 by its sliding slot, the lower surface of the top plate of the sliding block 18
It is bonded the top surface of the luffing track 2.
In this kind of technical solution, a pair of of bottom plate of sliding block 18 can be with the upper flange of left-hand thread I-steel, thus anti-on-slip
Block 18 is detached from from luffing track 2.The top plate of a pair of of sliding block and the both ends of the lower surface of luffing track are removably fixed.
In another technical solution, the top of the first end face of 23 one end of web of the luffing track 2 invaginates to be formed
One square groove 24；The top surface of the luffing track 2 invaginate to be formed a vertical perforation to it is the square groove 24, upper it is big under
Small step through-hole 25；A jacking block 26 is provided in the square groove 24 comprising integrally formed top and lower part, top
Rising block 26 and jacking the top 27 of block 26 is square block, and its underpart is top bottom center is arranged in cylindric；The jacking block
The lateral surface that a pair on the top 27 of 26 jacking blocks 26 is opposite, vertical extends to form one each along 2 width direction of luffing track
Protrude from the first fixture block 29 of the web 23 of luffing track 2；Slot of the top surface of the jacking block 26 apart from the square groove 24
10-20 ㎝ is pushed up, the bottom surface on the top 27 that the jacking block 26 jacks block 26 is fitted in the slot bottom of square groove 24, the jacking block
The lower part 28 of 26 jacking blocks 26 is built in web 23；
The lower surface of a pair of of upper flange of the luffing track 2 is symmetrical arranged the cylinder body of a pair of vertical oil cylinder 30, stretches
The end face at end is respectively and fixedly provided with the second fixture block 31 of an inversion T-type, is respectively toward to one first fixture block 29；
The top of the upper section of the step through-hole 25 is full of lubricating oil, the lower part setting one of the upper section of the step through-hole 25
Lubricating oil is interposed between the top of the upper end of step through-hole 25 by columned sealing rubber plug 32, the sealing rubber plug 32
A push rod 33 is downwardly extending in the middle part of lower surface, lower end is pierced by the lower section of the step through-hole 25 and against the jacking
The upper surface of block 26；
The vertical side of a pair of of bottom plate of the sliding block 18, which is invaginated, forms one along the perforation of 2 length direction of luffing track
First card slot is matched with first fixture block 29；The inner surface of a pair of bottom plate, which invaginates, forms an inverted T shaped, edge
2 length direction of luffing track perforation the second card slot；It is matched with second fixture block 31.
In this kind of technical solution, there are two types of the modes of lubrication: one is, after the lifting in place of luffing track 2, and
Before luffing crossbeam 3 is installed, it is full of lubricating oil in the upper end of step through-hole 25, is then installed on luffing track 2 at least a pair of
Sliding block 18, and a pair of of sliding block 18 is fixedly connected with middle 9 crossbeam of supporting leg, wherein a sliding block 18 is provided with platform against luffing track 2
One end of rank through-hole 25 as described in Figure 9, and makes the second fixture block 31 of a pair of vertical oil cylinder 30 be inserted into corresponding second card respectively
Slot, meanwhile, so that the first fixture block 29 is inserted into corresponding first card slot respectively, the telescopic rod for the vertical oil cylinder 30 that then bounces back, so that
Second fixture block 31 is up moved with movable slider 18, so that the top surface that the lower surface of the top plate of sliding block 18 is detached from luffing track 2 is formed
Gap, while sliding block 18 drives jacking block 26 up to move, jacking block 26 up pushes up push rod 33, so that lubricating oil enters gap
Between, it will lubricate between sliding block 18 and luffing track 2, during the telescopic rod of vertical oil cylinder 30 retraction, can use auxiliary
Oil cylinder is helped, 9 crossbeam of supporting leg in the upward pushing tow of assist in synchronization.After lubricating oil enters gap, vertical oil cylinder 30 extends, by sliding block
18 play back on luffing track 2, then return back to the state of Fig. 9, and lubrication is completed.
Another kind is that after the lifting in place of luffing track 2, and luffing crossbeam 3 is installed in the past, in step through-hole 25
Upper end is full of lubricating oil, is then lubricated to the top surface of luffing track 2 using a sliding block 18, so that the sliding block 18 is against luffing
Track 2 is provided with one end of step through-hole 25, as described in Figure 9, and the second fixture block 31 of a pair of vertical oil cylinder 30 is inserted respectively
Enter corresponding second card slot, meanwhile, so that the first fixture block 29 is inserted into corresponding first card slot respectively, then bounce back vertical oil cylinder 30
Telescopic rod so that the second fixture block 31 is up moved with movable slider 18, so that the lower surface of the top plate of sliding block 18 is detached from luffing rail
The top surface in road 2 forms gap, while sliding block 18 drives jacking block 26 up to move, and jacking block 26 up pushes up push rod 33, so that
Lubricating oil enters between gap, will lubricate between sliding block 18 and luffing track 2, after lubricating oil enters gap, vertical oil cylinder
30 elongations, sliding block 18 is played back on luffing track 2, the state of Fig. 9 is then returned back to, and traversing oil cylinder 7 is then used, by sliding block
18, which are provided with one end that step passes through from luffing track 2, slides onto the other end, completes the lubrication of entire 2 top surface of luffing track, profit
It is sliding to complete.
In another technical solution, the second end face of 23 other end of web of the luffing track 2, along luffing track
2 length direction invaginates to form a blind hole, close to the square groove 24；
Invaginate the circular hole to form multiple perforations to the blind hole for the top surface of the luffing track 2, a diameter of 1-2 ㎝.
In this kind of technical solution, the extra lubricating oil in 2 top surface of luffing track can flow into blind hole from circular hole, and by blind
Hole flows to the second end face of luffing track 2, then manually recycles lubricating oil.
In another technical solution, the top of the step through-hole 25 is provided with a sealing corking.
In this kind of technical solution, setting sealing corking facilitates operation, and in vertical oil cylinder 30 retraction, push rod 33 needs
Sealing-plug caping is opened.
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 (8)
1. a kind of new Bridge Erector traverses over width method characterized by comprising
S1 installs a pair of of luffing track along direction across bridge in the pier top of the adjacent two couple bridge pier of left and right width respectively；
S2 slides corresponding luffing crossbeam to its both ends on luffing track and is located in the pier top of the bridge pier of left and right width
Side, adjustment luffing crossbeam is horizontal and is fixed on luffing crossbeam in the pier top of bridge pier of corresponding left and right width；
S3, on a pair of of luffing crossbeam, by Bridge Erector from traversing to an another width.
2. a kind of new Bridge Erector as described in claim 1 traverses over width method, which is characterized in that the step S1 is specifically wrapped
It includes:
S11, by Bridge Erector, along vertical bridge, cantilever exceeds the one of the width to before and after being moved to its girder on the width constructed
It is identical to the length of the bridge pier；
S12 installs forward and backward supporting leg to respectively close to a centering supporting leg, and the upright supports of rear support leg are completed in having constructed
Beam face on, the upright supports of front leg strut and make forward and backward supporting leg in the pier top of the pier stud positioned at front for the width constructed
Front beam and rear cross beam support the girder of Bridge Erector；
S13, supporting leg in dismounting, and the column of a centering supporting leg is mounted respectively to the pier top of forward and backward a pair of of bridge pier of another width；
S14 installs a pair of of luffing track using tower crane, and one end of which is fixed on the column of middle supporting leg, other end setting exists
On beam face.
3. a kind of new Bridge Erector as described in claim 1 traverses over width method, which is characterized in that the step S2 is specifically wrapped
It includes:
S21, it is using overhead traveling crane that the crossbeam of one centering supporting leg is slidable, be separately mounted on a pair of of luffing track, and be respectively positioned on
The underface of the girder of the Bridge Erector；
S22 slides the crossbeam of the middle supporting leg, it is made to slide 8-12 meters along luffing track along direction across bridge and towards another width；
S23, the underface of girder of a pair of of luffing attachment beam to the Bridge Erector is lifted using overhead traveling crane, and a pair of of luffing is connected
Beam is connect with the crossbeam of a pair of middle supporting leg respectively；
S24 slides a pair of of luffing attachment beam, so that the crossbeam of a centering supporting leg is located at a centering supporting leg on luffing track
Column above；
S25 is lifted in a pair of of luffing on supporting leg to luffing track with overhead traveling crane, and by supporting leg in a pair of of luffing respectively with a pair of of luffing
Crossbeam connection；
One centering supporting leg crossbeam is detachably mounted on the column of middle supporting leg by S26 respectively, and supporting leg in a pair of of luffing is divided
Liang Mianshang is not detachably mounted to it.
4. a kind of new Bridge Erector as described in claim 1 traverses over width method, which is characterized in that further include: the step
S3 is specifically included:
S31 is respectively mounted a pair of of trolley in one end of each luffing crossbeam, and the girder of Bridge Erector is fallen on all trolleys；
S32, a pair of traversing oil cylinder it is synchronous push under, the trolley of the pier top of front and back bridge pier is synchronous, from one end of luffing crossbeam,
The other end of luffing crossbeam is moved to along direction across bridge, so that the Bridge Erector fallen on the car completes luffing.
5. a kind of new Bridge Erector as described in claim 1 traverses over width method, which is characterized in that the luffing track is work
Word steel, the luffing crossbeam can be along the settings that luffing track length direction slides on luffing track by sliding block, the sliding block
For square block and its lower surface invaginates to form a sliding slot inverted T shaped and along the perforation of luffing track length direction；The sliding slot makes
It obtains the sliding block and forms a pair of of bottom plate, a top plate and a pair of vertical side plate；The vertical side plate of a pair of the sliding slot is pressed against institute respectively
A pair of of top flange plate of luffing track is stated, the sliding block is set on the luffing track by its sliding slot, the top of the sliding block
The lower surface of plate is bonded the top surface of the luffing track.
6. a kind of new Bridge Erector as claimed in claim 5 traverses over width method, which is characterized in that the abdomen of the luffing track
It invaginates to form a square groove in the top of the first end face of plate one end；The top surface of the luffing track, which is invaginated, to be formed one and vertical passes through
Pass to the square groove, up big and down small step through-hole；A jacking block is provided in the square groove comprising one
Molding top and lower part, the top for jacking block is square block, and its underpart is top bottom center is arranged in cylindric；It is described
A pair of opposite, the vertical lateral surface for jacking the top of block extends to form one each along luffing track width direction and protrudes from change
First fixture block of the web of width track；Groove top 10-20 ㎝ of the top surface of the jacking block apart from the square groove, the jacking
The bottom surface on the top of block is fitted in the slot bottom of square groove, and the lower part of the jacking block is built in web；
The lower surface of a pair of of upper flange of the luffing track is symmetrical arranged the cylinder body of a pair of vertical oil cylinder, the end face of telescopic end
It is respectively and fixedly provided with the second fixture block of an inversion T-type, is respectively toward to one first fixture block；
The top of the upper section of the step through-hole is full of lubricating oil, and the lower part setting one of the upper section of the step through-hole is columned
Lubricating oil, is interposed between the top of the upper end of step through-hole by sealing rubber plug, the middle part of the lower surface of the sealing rubber plug to
Under extend to form a push rod, lower end is pierced by the lower section of the step through-hole and against the upper surface of the jacking block；
Invaginate the first card for forming one along the perforation of luffing track length direction for the vertical side of a pair of of bottom plate of the sliding block
Slot is matched with first fixture block；The inner surface of a pair of bottom plate invaginate formed it is one inverted T shaped, along luffing rail
Second card slot of road length direction perforation；It is matched with second fixture block.
7. a kind of new Bridge Erector as claimed in claim 6 traverses over width method, which is characterized in that the abdomen of the luffing track
The second end face of the plate other end invaginates to form a blind hole along the length direction of luffing track, close to the square groove；
Invaginate the circular hole to form multiple perforations to the blind hole for the top surface of the luffing track, a diameter of 1-2 ㎝.
8. a kind of new Bridge Erector as claimed in claim 6 traverses over width method, which is characterized in that the top of the step through-hole
Portion is provided with a sealing corking.
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| CN201811436437.4A CN109629422B (en) | 2018-11-28 | 2018-11-28 | Novel transverse moving and amplitude-passing method of bridge girder erection machine |
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|---|---|---|---|
| CN201811436437.4A CN109629422B (en) | 2018-11-28 | 2018-11-28 | Novel transverse moving and amplitude-passing method of bridge girder erection machine |
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| CN109629422B CN109629422B (en) | 2021-03-23 |
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| CN110258348A (en) * | 2019-07-16 | 2019-09-20 | 重庆建工集团股份有限公司 | The single width sliding rail of Bridge Erector cooperates the multi-functional middle traversing jib lubbing mechanism of supporting leg walking |
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| CN110792040A (en) * | 2019-10-28 | 2020-02-14 | 中国水利水电第五工程局有限公司 | Transverse truss for hoisting T-shaped beam of separate bridge deck and hoisting method |
| CN111893895A (en) * | 2020-08-06 | 2020-11-06 | 中铁九局集团第七工程有限公司 | Construction method for changing single-width frame beam into double-width frame beam on bent cap |
| CN113526372A (en) * | 2021-06-11 | 2021-10-22 | 浙江省建设工程机械集团有限公司 | Double-pier-body construction tower crane and viaduct construction method |
| CN115217040A (en) * | 2022-05-26 | 2022-10-21 | 中交第四公路工程局有限公司 | Incremental launching construction method for overlong curve steel box combination beam |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110258348A (en) * | 2019-07-16 | 2019-09-20 | 重庆建工集团股份有限公司 | The single width sliding rail of Bridge Erector cooperates the multi-functional middle traversing jib lubbing mechanism of supporting leg walking |
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| CN110792040A (en) * | 2019-10-28 | 2020-02-14 | 中国水利水电第五工程局有限公司 | Transverse truss for hoisting T-shaped beam of separate bridge deck and hoisting method |
| CN111893895A (en) * | 2020-08-06 | 2020-11-06 | 中铁九局集团第七工程有限公司 | Construction method for changing single-width frame beam into double-width frame beam on bent cap |
| CN111893895B (en) * | 2020-08-06 | 2022-05-20 | 中铁九局集团第七工程有限公司 | Construction method for changing single-width frame beam into double-width frame beam on bent cap |
| CN113526372A (en) * | 2021-06-11 | 2021-10-22 | 浙江省建设工程机械集团有限公司 | Double-pier-body construction tower crane and viaduct construction method |
| CN113526372B (en) * | 2021-06-11 | 2024-01-12 | 浙江省建设工程机械集团有限公司 | Double pier body construction tower crane and viaduct construction method |
| CN115217040A (en) * | 2022-05-26 | 2022-10-21 | 中交第四公路工程局有限公司 | Incremental launching construction method for overlong curve steel box combination beam |
| CN115217040B (en) * | 2022-05-26 | 2024-11-01 | 中交第四公路工程局有限公司 | Incremental launching construction method for composite beam of overlength curve steel box |
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