CN107687132A - The method that equidistant double width bridge uses Segmental assembling bridge-erecting machine synchronous construction - Google Patents
The method that equidistant double width bridge uses Segmental assembling bridge-erecting machine synchronous construction Download PDFInfo
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- CN107687132A CN107687132A CN201710910609.6A CN201710910609A CN107687132A CN 107687132 A CN107687132 A CN 107687132A CN 201710910609 A CN201710910609 A CN 201710910609A CN 107687132 A CN107687132 A CN 107687132A
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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 provides a kind of method that equidistantly double width bridge uses Segmental assembling bridge-erecting machine synchronous construction, comprise the following steps：S1, hoisting overhead travelling crane is installed on Bridge Erector, it includes：Crossbeam, two overarm arms being arranged under crossbeam, overarm arm lower surface is equipped with two groups of hanging beam dollies；S2, at the both ends of hanging crossbeam first group of suspension centre, the 6th group of suspension centre are provided with, it is relative between first group of suspension centre, the 6th group of suspension centre to be provided with two groups of sling points；Include successively lifting multigroup section block when S3, bridge formation, the lifting of every group of section block includes the lifting of left side section block and the lifting of right side section block, and regulation two adjacent groups section block spacing completes construction.The method that the equidistant double width bridge of the present invention uses Segmental assembling bridge-erecting machine synchronous construction, by setting the overarm arm of left and right two on the crossbeam of hoisting overhead travelling crane, and to set multigroup suspension centre to enter every trade to the width bridge of left and right two of double width bridge traversing on hanging crossbeam, afterbody feeding beam is realized, so as to complete the construction of double width bridge.
Description
Technical field
The present invention relates to technical field of bridge construction, and in particular to a kind of equidistantly double width bridge uses Segmental assembling bridge-erecting machine
The method of 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 applied
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.So construction method needs
Transverse shifting Bridge Erector twice, that is, moves Bridge Erector and 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, so as to considerably increase the operation of equipment
Risk, extend the construction period.And the depth of water can not meet that pontoon transports beam requirement when being built bridge during practice of construction, it is impossible to real
Feeding beam under existing bridge, need to carry out bridge drive end unit feeding beam.
The content of the invention
It is an object of the invention to solve 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 a kind of equidistantly double width bridge using Segmental assembling bridge-erecting machine synchronous construction
Method, it sets multigroup suspension centre can by setting the overarm arm of left and right two on the crossbeam of hoisting overhead travelling crane on hanging crossbeam
Luggage is entered so as to complete the construction of double width bridge with the width bridge of left and right two to double width bridge.
In order to realize according to object of the present invention and further advantage, there is provided a kind of equidistantly double width bridge uses section
The method of assembled Bridge Erector synchronous construction, comprises the following steps：
S1, hoisting overhead travelling crane is installed on Bridge Erector, hoisting overhead travelling crane can move along crane's major girder length direction, wherein, institute
Stating hoisting overhead travelling crane includes：Horizontally disposed crossbeam, the suspender positioned at crossbeam lower surface, it is arranged at along crossbeam length direction under crossbeam
Two overarm arms of end face, two overarm arms are symmetrically distributed at left and right sides of suspender, and each end of the arm away from suspender of hanging oneself from a beam is equal
Positioned at cross rail outer, each arm lower surface of hanging oneself from a beam is provided with two groups of hanging beam dollies along its length, and every group of hanging beam dolly includes
Two can be slided with the symmetrically arranged two hanging beam dollies in arm lengths direction of hanging oneself from a beam, each hanging beam dolly along overarm arm lengths direction
It is dynamic；
S2, the both ends on hanging crossbeam along its length are provided with first group of suspension centre, the 6th group of suspension centre, first group of suspension centre
Including two to hang symmetrically arranged first suspension centre of crossbeam length-wise axis, the 6th group of suspension centre include two to hang crossbeam
Symmetrically arranged 6th suspension centre of length-wise axis, it is relative between first group of suspension centre, the 6th group of suspension centre to be provided with two groups of sling points, often
Group sling point includes two along the hanging symmetrical sling point of crossbeam length direction, the relative hanging beam width direction of two groups of sling points
Symmetrically；
Include successively lifting multigroup section block when S3, bridge formation, the lifting of every group of section block includes left side section block and lifted
Being lifted with right side section block, regulation two adjacent groups section block spacing completes construction, wherein, block lifting in left side section includes：
Left side section block is transported to below crane's major girder using fortune beam pontoon, and hanging crossbeam is pacified along its length
On the block of left side section, and the suspension hook on left side overarm arm close to the hanging beam dolly of suspender is set to catch on the 6th group of suspension centre respectively
Two the 6th suspension centres, the suspension hook of the hanging beam dolly away from suspender catches on two first of first group of suspension centre respectively on left side overarm arm
Suspension centre, it is lifted up on the left of left side section block to crane's major girder immediately below hanging reinforcing bar, and hanging reinforcing bar is caught on sling point,
Unclamp hanging beam trolley lifting hook and complete the block lifting of left side section；
The block lifting of right side section includes：
Right side section block is transported to below crane's major girder using fortune beam pontoon, and hanging crossbeam is pacified along its length
On the block of right side section, and the suspension hook on right side overarm arm close to the hanging beam dolly of suspender is set to catch on the 6th group of suspension centre respectively
Two the 6th suspension centres, the suspension hook of the hanging beam dolly away from suspender catches on two first of first group of suspension centre respectively on right side overarm arm
Suspension centre, it is lifted up on the right side of right side section block to crane's major girder immediately below hanging reinforcing bar, and hanging reinforcing bar is caught on sling point,
Unclamp hanging beam trolley lifting hook and complete the block lifting of right side section.
Preferably, the method that described equidistant double width bridge uses Segmental assembling bridge-erecting machine synchronous construction, hang in s1
Be additionally provided with along its length and between first group of suspension centre, the 6th group of suspension centre on crossbeam second group of suspension centre, the 3rd group hang
Point, the 4th group of suspension centre, the 5th group of suspension centre, second group of suspension centre include two to hang crossbeam length-wise axis symmetrically arranged the
Two suspension centres, the 3rd group of suspension centre include two to hang symmetrically arranged 3rd suspension centre of crossbeam length-wise axis, the 4th group of suspension centre
Including two to hang the symmetrically arranged four-point lifting of crossbeam length-wise axis, the 5th group of suspension centre include two to hang crossbeam
Symmetrically arranged 5th suspension centre of length-wise axis；Wherein, hang the length of crossbeam between crane's major girder width 1.26
~1.28 times, first group of suspension centre and second group of suspension centre spacing are 0.336~0.353 times of hanging crossbeam length, second group of suspension centre
0.179~0.197 times with the 3rd group of suspension centre distance for hanging crossbeam length, the 3rd group of suspension centre is to hang with the 4th group of suspension centre spacing
Hang crossbeam length 0.0053~0.0795 times, the 4th group of suspension centre and the 5th group of suspension centre spacing are the 0.289 of hanging crossbeam length
~0.307 times, the 5th group of suspension centre and the 6th group of suspension centre spacing are 0.043~0.0606 times of hanging crossbeam length, and first group is hung
The spacing of point and the end of the hanging crossbeam close to first group of suspension centre is hangs 0.0103~0.0274 times of crossbeam length, and second
Relative hanging crossbeam length-wise axis is symmetrically equal between group suspension centre and the 3rd group of suspension centre, between the 3rd group of suspension centre and the 4th group of suspension centre
Provided with two sling points；
S4, along between two bridge piers of afterbody multigroup section block is lifted from both ends to centre, the lifting of every group of section block includes
The lifting of section block and the block lifting of afterbody right side section on the left of afterbody, wherein, the lifting of section block, comprises the following steps on the left of afterbody：
Step 1, crossbeam will be hung along its length on the block of afterbody left side section, and utilize hoisting overhead travelling crane center
Between left side section block is hung to crane's major girder with width by suspender, left side is saved with the suspender positioned at hoisting overhead travelling crane center
Section block is sling, and will be placed under the block of left side section below girder；
Step 2, suspender drive section block on the left of afterbody to be moved to the left, after be rotated by 90 ° so that section block length on the left of afterbody
Direction is consistent with crane's major girder width；
Step 3, the mobile hanging beam dolly being located at left and right sides of suspender on overarm arm, and make close on left side overarm arm
The suspension hook of one group of hanging beam dolly of suspender catches on two the second suspension centres of second group of suspension centre respectively, close to suspender on right side overarm arm
The suspension hook of one group of hanging beam dolly catch on two the 5th suspension centres of the 5th group of suspension centre respectively, unclamp suspender afterwards, suspender moves right
To original position；
Step 4, hanging beam dolly drive section block on the left of afterbody to be moved to the left, so that hanging away from suspender on left side overarm arm
The suspension hook of beam dolly catches on two the first suspension centres of first group of suspension centre respectively, and one group of hanging beam on left side overarm arm close to suspender is small
The suspension hook pine hook of car, and move right to two the 3rd suspension centres surface of the 3rd group of suspension centre so that its suspension hook catches on the 3rd respectively
Suspension centre, on right side overarm arm close to suspender one group of hanging beam dolly suspension hook pine hook, and move right to the two of the 6th group of suspension centre
Directly over individual 6th suspension centre so that its suspension hook catches on the 6th suspension centre respectively, the hanging beam dolly on left side overarm arm close to suspender is hung
Hook pine hook；
Step 5, section block on the left of afterbody is moved to the left, and makes one group of hanging beam dolly of close suspender on left side overarm arm
Suspension hook catches on two four-point liftings of the 4th group of suspension centre respectively, and the one group of hanging beam then unclamped on right side overarm arm close to suspender is small
Car；
Step 6, section block on the left of afterbody is moved to the left, section block on the left of afterbody is located at hanging steel on the left of crane's major girder
Immediately below muscle, and hanging reinforcing bar is caught on sling point, unclamp hanging beam trolley lifting hook and complete block lifting in section on the left of afterbody；
The hanging of section block, comprises the following steps on the right side of afterbody：
Step a, hoisting overhead travelling crane, repeat step 1 are moved along bridge formation direction；
Step b, suspender drives section block on the right side of afterbody to move right, and is rotated by 90 °, so that section block and step on the right side of afterbody
Section block is in specular on the left of afterbody in rapid 2；
Step c, mobile one group of hanging beam dolly being located at left and right sides of suspender on overarm arm, and make on left side overarm arm
Two the 5th suspension centres of the 5th group of suspension centre are caught on respectively close to the suspension hook of one group of hanging beam dolly of suspender, it is close on right side overarm arm
The suspension hook of one group of hanging beam dolly of suspender catches on two the second suspension centres of second group of suspension centre respectively, and unclamps suspender, and suspender is to the right
It is moved to original position；
Step d, hanging beam dolly drives section block on the right side of afterbody to move right so that on right side overarm arm away from suspender one
The suspension hook of group hanging beam dolly catches on two the first suspension centres of first group of suspension centre and unclamped on right side overarm arm close to one group of suspender
Hanging beam dolly；
Step e, move one group of hanging beam dolly of close suspender on right side overarm arm and its suspension hook is caught on the 3rd group respectively
Two the 3rd suspension centres of suspension centre, then move on left side overarm arm close to suspender one group of hanging beam dolly and its suspension hook is caught on the
Six suspension centres, then unclamp the hanging beam dolly of two the 3rd suspension centres of the 3rd group of suspension centre；
Step f, hanging beam dolly drives section block on the right side of afterbody to move right, and makes on right side overarm arm close to the one of suspender
The suspension hook of group hanging beam dolly catches on two the 3rd suspension centres of the 3rd group of suspension centre respectively, then unclamp the 6th group of suspension centre two the 6th
The hanging beam trolley lifting hook of suspension centre；
Step g, hanging beam dolly drives section block on the right side of afterbody to move right, and moves lifting day along bridge formation opposite direction
Car, the afterbody left side section block for making section block on the right side of afterbody and having lifted are located on straight line and make section block position on the right side of afterbody
The hanging reinforcing bar underface on the right side of crane's major girder, and hanging reinforcing bar is caught on sling point, unclamp hanging beam trolley lifting hook and complete tail
Block lifting in section on the right side of portion.
Preferably, the method that described equidistant double width bridge uses Segmental assembling bridge-erecting machine synchronous construction, appoint in hanging
During meaning two adjacent groups section block, section block, afterbody right side section block use suspender by section on the left of afterbody on the left of one of which afterbody
1.4~1.5m below girder is placed on the right side of section block, afterbody under the block of section, is saved on the right side of another set afterbody left side section block, afterbody
Section block will place 5.2~5.3m below girder on the left of afterbody using suspender under section block, afterbody right side section block.
Preferably, the method that described equidistant double width bridge uses Segmental assembling bridge-erecting machine synchronous construction, crossbeam is hung
Length 1.27 times of width between crane's major girder, first group of suspension centre and second group of suspension centre spacing are hanging crossbeam length
0.344 times, second group of suspension centre and the 3rd group of suspension centre distance are 0.196 times of hanging crossbeam length, the 3rd group of suspension centre
0.07094 times with the 4th group of suspension centre spacing for hanging crossbeam length, the 4th group of suspension centre and the 5th group of suspension centre spacing are horizontal for hanging
0.298 times of beam length, the 5th group of suspension centre and the 6th group of suspension centre spacing are 0.0521 times of hanging crossbeam length, first group of suspension centre
Spacing with the end of the hanging crossbeam close to first group of suspension centre is 0.0188 times of hanging crossbeam length.
Preferably, the method that described equidistant double width bridge uses Segmental assembling bridge-erecting machine synchronous construction, in lifting tail
During the section block at portion both ends, when hanging two groups of section blocks of arbitrary neighborhood, when hanging section block on the left of next group of afterbody in step 2 also
Make to have lifted close to previous group on section hanging crossbeam on the left of next group of afterbody on the left of the afterbody of completion including mobile hoisting overhead travelling crane
It is 200mm that the sling point of section block, which has lifted section block end face horizontal range on the left of the afterbody of completion with previous group,.
Preferably, the method that described equidistant double width bridge uses Segmental assembling bridge-erecting machine synchronous construction, second group is hung
Point and the hanging between any one in two sling points between the 3rd group of suspension centre and corresponding 3rd group of suspension centre and the 4th group of suspension centre
Axisymmetrical of the point along section block width is set.
Preferably, the method that described equidistant double width bridge uses Segmental assembling bridge-erecting machine synchronous construction, the first suspension centre,
Second suspension centre, the 3rd suspension centre, four-point lifting, the 5th suspension centre, the 6th suspension centre circle center line connecting and hanging crossbeam length-wise axis weight
Close.
Preferably, the method that described equidistant double width bridge uses Segmental assembling bridge-erecting machine synchronous construction, crossbeam is hung
Length is 1~1.01 times of section block length, when hanging crossbeam is arranged on the block of section along its length, hangs crossbeam length side
To axis overlapped with the axis in section block length direction.
The present invention comprises at least following beneficial effect：
1st, the method that equidistant double width bridge of the invention spells bridge machine synchronous construction using section, passes through the crossbeam in hoisting overhead travelling crane
The cantilever beam set at left and right sides of lower surface, each cantilever beam are provided with two groups of slidable hanging beam dollies, on hanging crossbeam
Two groups of suspension centres are set, left and right sides section block is hung respectively using the hanging beam dolly on the cantilever beam of left and right, can be achieved to realize double
Width bridge synchronous construction, reducing conventional construction method needs, transverse shifting Bridge Erector twice, reduces Bridge Erector half back and forth
Via number, so as to greatly reduce the operational risk of equipment, shorten the construction period.
2nd, the method that equidistant double width bridge of the invention spells bridge machine synchronous construction using section, it is further horizontal in original hanging
Four groups of suspension centres are set between two groups of suspension centres on beam, during afterbody feeding beam, because the width between crane's major girder is small, section
The length of section block is more than the width between girder, and section block can not be entered between girder with length direction, it is necessary to width
Into between girder, then below lower section to girder, while when hanging section block, section block can only move between girder,
The hanging beam dolly and multigroup suspension centre set by left and right can adjust position of the left and right section block position with respect to girder, so can be with
Left side section block or right side section block is set to adjust to the underface of girder hanging reinforcing bar, so as to complete to left side section block or right side
The lifting of section block, the afterbody feeding beam of double width bridge synchronous construction method is achieved in that, so as to realize double width bridge synchronous construction.
Further advantage, target and the feature of the present invention embodies part by following explanation, and part will also be by this
The research and practice of invention and be understood by the person skilled in the art.
Figure of description
Fig. 1 is the structural representation of section block；
Fig. 2 is the schematic cross-section of crane's major girder；
Fig. 3 is arranged on schematic diagram on the block of section for hanging crossbeam；
Fig. 4 is hoisting overhead travelling crane and hanging beam engagement schematic diagram；
Fig. 5 is Bridge Erector and hoisting overhead travelling crane schematic diagram；
Fig. 6~Figure 11 is the hanging method schematic diagram of block lifting in section on the left of afterbody；
Figure 12 is schematic diagram after the completion of afterbody left side section block and the block lifting of afterbody right side section；
Figure 13 is schematic diagram after the multigroup section block lifting of afterbody.
Embodiment
With reference to embodiment, the present invention is described in further detail, to make those skilled in the art with reference to specification
Word can be implemented according to this.
It should be noted that experimental method described in following embodiments, is conventional method unless otherwise specified, institute
Reagent and material are stated, unless otherwise specified, is commercially obtained.
A kind of method that equidistantly double width bridge uses Segmental assembling bridge-erecting machine synchronous construction, comprises the following steps：
S1, hoisting overhead travelling crane 2 is installed on Bridge Erector, hoisting overhead travelling crane 2 can move along the length direction of crane's major girder 1, wherein,
The hoisting overhead travelling crane 2 includes：Horizontally disposed crossbeam 21, for crossbeam 21 between two supporting legs 22, supporting leg 22 is splayed branch
Leg, supporting leg 22 can move along the length direction of crane's major girder 1, the suspender 23 positioned at the lower surface of crossbeam 21, along the length side of crossbeam 21
To two overarm arms 24 for being arranged at the lower surface of crossbeam 21, two overarm arms 24 are symmetrically distributed in the left and right sides of suspender 23, each
End of the overarm arm 24 away from suspender 23 is respectively positioned on the outside of crossbeam 24, that is, two ends of arm 24 of hanging oneself from a beam are located at the two of supporting leg 22
Side, each lower surface of arm 24 of hanging oneself from a beam are equipped with two groups of hanging beam dollies, and every group of hanging beam dolly includes two with the length of arm 24 of hanging oneself from a beam
The symmetrically arranged two hanging beam dollies 25 in direction, each hanging beam dolly can slide along overarm arm lengths direction；
S2, the both ends on hanging crossbeam 3 along its length are provided with first group of suspension centre, the 6th group of suspension centre, and first group is hung
Point includes two to hang symmetrically arranged first suspension centre 31 of the length-wise axis of crossbeam 3, the 6th group of suspension centre including two to hang
Symmetrically arranged 6th suspension centre 36 of the length-wise axis of crossbeam 3 is hung, it is relative between first group of suspension centre, the 6th group of suspension centre to be provided with two groups
Sling point, every group of sling point include two along the symmetrical sling point 37 of crossbeam length direction is hung, and two groups of sling points are relative to be hung
The width of crossbeam 3 is symmetrical；
Include successively lifting multigroup section block when S3, bridge formation, the lifting of every group of section block includes left side section block and lifted
Being lifted with right side section block, regulation two adjacent groups section block spacing completes construction, wherein, block lifting in left side section includes：
Left side section block is transported to crane's major girder below 1 using fortune beam pontoon, and crossbeam 3 will be hung along its length
On the block of left side section, and the suspension hook of one group of hanging beam dolly 25 of close suspender on left side overarm arm is caught on the 6th group and hang
Two the 6th suspension centres 36 of point, the suspension hook of one group of hanging beam dolly 25 away from suspender catches on first group of suspension centre on left side overarm arm
Two the first suspension centres 31, it is lifted up immediately below left side section block to the left side of crane's major girder 1 hanging reinforcing bar, and makes hanging reinforcing bar
Sling point 37 is caught on, the suspension hook of hanging beam dolly 25 is unclamped and completes the block lifting of left side section；
The block lifting of right side section includes：
Right side section block is transported to below crane's major girder using fortune beam pontoon, and crossbeam 3 will be hung along its length
On the block of right side section, and the suspension hook of one group of hanging beam dolly 25 of close suspender on right side overarm arm is caught on the 6th group and hang
Two the 6th suspension centres 36 of point, the suspension hook of one group of hanging beam dolly away from suspender catches on the two of first group of suspension centre on right side overarm arm
Individual first suspension centre 31, it is lifted up on the right side of right side section block to crane's major girder immediately below hanging reinforcing bar, and hooks hanging reinforcing bar
Firmly sling point, unclamp the suspension hook of hanging beam dolly 25 and complete the block lifting of right side section.
The method that the equidistant double width bridge of the present invention uses Segmental assembling bridge-erecting machine synchronous construction, suitable for feeding beam under bridge,
Directly section block is transported to below crane's major girder by transporting beam pontoon, reuses the hanging of hanging beam dolly；With left side section
Exemplified by block lifting：
Left side section block is transported to immediately below the left side of crane's major girder 1 hanging reinforcing bar using fortune beam pontoon, and will hanging
Crossbeam 3 is arranged on the block of left side section along its length, on mobile left side overarm arm close to suspender one group of hanging beam dolly 25 simultaneously
Its suspension hook is set to catch on two the 6th suspension centres 36 of the 6th group of suspension centre respectively, one group of hanging beam away from suspender on arm of being hung oneself from a beam on the left of movement
Dolly 25 makes its suspension hook catch on two the first suspension centres 31 of first group of suspension centre respectively, is lifted up left side section block to the owner that builds bridge
Immediately below the left side of beam 1 hanging reinforcing bar, and hanging reinforcing bar is caught on sling point 37, unclamp the suspension hook of hanging beam dolly 25 and complete left side section
Block lifts；Right side section block hanging method is the same as left side section block hanging method.
In another technical solution, described equidistant double width bridge uses the side of Segmental assembling bridge-erecting machine synchronous construction
Method, in addition to afterbody to section block lifting on the right side of block lifting in section on the left of afterbody and afterbody；Hung in s1 on crossbeam 3 along its length
Degree direction and be additionally provided between first group of suspension centre, the 6th group of suspension centre second group of suspension centre, the 3rd group of suspension centre, the 4th group hang
Point, the 5th group of suspension centre, wherein, second group of suspension centre is hung including two with hanging the length-wise axis of crossbeam 3 symmetrically arranged second
32, the 3rd groups of suspension centres of point include two to hang symmetrically arranged 3rd suspension centre 33 of the length-wise axis of crossbeam 3, the 4th group of suspension centre
Including two to hang the symmetrically arranged four-point lifting 34 of the length-wise axis of crossbeam 3, the 5th group of suspension centre include two with hanging
Symmetrically arranged 5th suspension centre 35 of the length-wise axis of crossbeam 3, wherein, the length for hanging crossbeam 3 is wide between crane's major girder 1
1.26~1.28 times of degree, first group of suspension centre and second group of suspension centre spacing are hang the length of crossbeam 1 0.336~0.353 times, the
Two groups of suspension centres and the 3rd group of suspension centre distance are 0.179~0.197 times of the hanging length of crossbeam 3, and the 3rd group of suspension centre is hung with the 4th group
Point spacing is 0.0053~0.0795 times of the hanging length of crossbeam 3, and the 4th group of suspension centre and the 5th group of suspension centre spacing are hanging crossbeam 3
0.289~0.307 times of length, the 5th group of suspension centre and the 6th group of suspension centre spacing are the 0.043~0.0606 of the hanging length of crossbeam 3
Times, the spacing of first group of suspension centre and the end of the hanging crossbeam 3 close to first group of suspension centre for the hanging length of crossbeam 3 0.0103~
0.0274 times, two groups of sling point one of which are between second group of suspension centre and the 3rd group of suspension centre, and another set is positioned at the
Between three groups of suspension centres and the 4th group of suspension centre；
Here it is the axis of the first suspension centre 31 and corresponding second suspension centre that first group of suspension centre is actual with the spacing of second group of suspension centre
32 axial line distances, it is the axis of the second suspension centre 32 and the corresponding axle of 3rd suspension centre 33 that second group of suspension centre is actual with the 3rd group of suspension centre distance
Linear distance, the 3rd group of suspension centre and the 4th group of suspension centre spacing it is actual for the axis of the 3rd suspension centre 33 and the corresponding axis of four-point lifting 34 away from
Actual with the 5th group of suspension centre spacing from, the 4th group of suspension centre is the axis of four-point lifting 34 and the corresponding axial line distance of 5th suspension centre 35,
It is the axis of the 5th suspension centre 35 and the corresponding axial line distance of 6th suspension centre 36 that 5th group of suspension centre be actual with the 6th group of suspension centre spacing, first
It is the axis of the first suspension centre 31 with being hung with close first that the end spacing of suspension centre group and the hanging crossbeam 3 close to first group of suspension centre is actual
The end spacing of the hanging crossbeam 3 of point 31；The width of crane's major girder 1 is 9.2m in this programme, then hangs the length of crossbeam 3
For 11.592~11.776m, first group of suspension centre and second group of suspension centre spacing are 3.894~4.156m, second group of suspension centre and the 3rd
Group suspension centre distance be 2.174~2.319m, the 3rd group of suspension centre and the 4th group of suspension centre spacing be 0.0614~0.9361m, the 4th group
Suspension centre and the 5th group of suspension centre spacing are 3.35~3.615m, and the 5th group of suspension centre and the 6th group of suspension centre spacing are 0.498~0.713m,
The end spacing of first group of suspension centre and the hanging crossbeam 3 close to first group of suspension centre is 0.119~0.322m；
S4, along between two bridge piers of afterbody multigroup section block is lifted from both ends to centre, the lifting of every group of section block includes
The lifting of section block and the block lifting of afterbody right side section on the left of afterbody, wherein, the lifting of section block, comprises the following steps on the left of afterbody：
Step 1, crossbeam will be hung along its length on the block of afterbody left side section, and utilize hoisting overhead travelling crane center
Between left side section block is hung to crane's major girder with width by suspender, left side is saved with the suspender positioned at hoisting overhead travelling crane center
Section block is sling, and will be placed under the block of left side section below girder；
Step 2, suspender drive section block on the left of afterbody to be moved to the left, after be rotated by 90 ° so that section block length on the left of afterbody
Direction is consistent with crane's major girder width；
Step 3, the mobile hanging beam dolly being located at left and right sides of suspender on overarm arm, and make close on left side overarm arm
The suspension hook of one group of hanging beam dolly of suspender catches on two the second suspension centres of second group of suspension centre respectively, close to suspender on right side overarm arm
The suspension hook of one group of hanging beam dolly catch on two the 5th suspension centres of the 5th group of suspension centre respectively, unclamp suspender afterwards, suspender moves right
To original position；
Step 4, hanging beam dolly drive section block on the left of afterbody to be moved to the left, so that hanging away from suspender on left side overarm arm
The suspension hook of beam dolly catches on two the first suspension centres of first group of suspension centre respectively, and one group of hanging beam on left side overarm arm close to suspender is small
The suspension hook pine hook of car, and move right to two the 3rd suspension centres surface of the 3rd group of suspension centre so that its suspension hook catches on the 3rd respectively
Suspension centre, on right side overarm arm close to suspender one group of hanging beam dolly suspension hook pine hook, and move right to the two of the 6th group of suspension centre
Directly over individual 6th suspension centre so that its suspension hook catches on the 6th suspension centre respectively, the hanging beam dolly on left side overarm arm close to suspender is hung
Hook pine hook；
Step 5, section block on the left of afterbody is moved to the left, and makes one group of hanging beam dolly of close suspender on left side overarm arm
Suspension hook catches on two four-point liftings of the 4th group of suspension centre respectively, and the one group of hanging beam then unclamped on right side overarm arm close to suspender is small
Car；
Step 6, section block on the left of afterbody is moved to the left, section block on the left of afterbody is located at hanging steel on the left of crane's major girder
Immediately below muscle, and hanging reinforcing bar is caught on sling point, unclamp hanging beam trolley lifting hook and complete block lifting in section on the left of afterbody；
The hanging of section block, comprises the following steps on the right side of afterbody：
Step a, hoisting overhead travelling crane, repeat step 1 are moved along bridge formation direction；
Step b, suspender drives section block on the right side of afterbody to move right, and is rotated by 90 °, so that section block and step on the right side of afterbody
Section block is in specular on the left of afterbody in rapid 2；
Step c, mobile one group of hanging beam dolly being located at left and right sides of suspender on overarm arm, and make on left side overarm arm
Two the 5th suspension centres of the 5th group of suspension centre are caught on respectively close to the suspension hook of one group of hanging beam dolly of suspender, it is close on right side overarm arm
The suspension hook of one group of hanging beam dolly of suspender catches on two the second suspension centres of second group of suspension centre respectively, and unclamps suspender, and suspender is to the right
It is moved to original position；
Step d, hanging beam dolly drives section block on the right side of afterbody to move right so that on right side overarm arm away from suspender one
The suspension hook of group hanging beam dolly catches on two the first suspension centres of first group of suspension centre and unclamped on right side overarm arm close to one group of suspender
Hanging beam dolly；
Step e, move one group of hanging beam dolly of close suspender on right side overarm arm and its suspension hook is caught on the 3rd group respectively
Two the 3rd suspension centres of suspension centre, then move on left side overarm arm close to suspender one group of hanging beam dolly and its suspension hook is caught on the
Six suspension centres, then unclamp the hanging beam dolly of two the 3rd suspension centres of the 3rd group of suspension centre；
Step f, hanging beam dolly drives section block on the right side of afterbody to move right, and makes on right side overarm arm close to the one of suspender
The suspension hook of group hanging beam dolly catches on two the 3rd suspension centres of the 3rd group of suspension centre respectively, then unclamp the 6th group of suspension centre two the 6th
The hanging beam trolley lifting hook of suspension centre；
Step g, hanging beam dolly drives section block on the right side of afterbody to move right, and moves lifting day along bridge formation opposite direction
Car, the afterbody left side section block for making section block on the right side of afterbody and having lifted are located on straight line and make section block position on the right side of afterbody
The hanging reinforcing bar underface on the right side of crane's major girder, and hanging reinforcing bar is caught on sling point, unclamp hanging beam trolley lifting hook and complete tail
Block lifting in section on the right side of portion.
In the technical program in work progress due to build bridge when the afterbody bridge depth of water it is inadequate, it is impossible to carry out under bridge feed
Beam, therefore afterbody feeding beam can only be carried out, but because the width between crane's major girder is less than section block, stage blocks can not be with length
Direction enters between crane's major girder, therefore sets multiple suspension centres to come the position of adjusting stage block, realizes afterbody feeding beam.Fig. 6~
Figure 11 is the method and step of left side section block lifting, and the wherein length of section block 4 is 11.55m, between crane's major girder inside
Minimum widith is 9.2m, section block on the left of afterbody is hung into 1.5m below girder using suspender in figure 6, by section on the left of afterbody
Block traversing 0.7m to the left, is then rotated by 90 °, and section block length direction is consistent with crane's major girder width on the left of afterbody；Fig. 7
Middle movement is located at one group of hanging beam dolly 25 on the left and right sides of suspender 23 overarm arm, and makes on left side overarm arm close to suspender
The suspension hook of hanging beam dolly catch on two the second suspension centres 32 of second group of suspension centre, close to the hanging beam dolly of suspender on right side overarm arm
Suspension hook catch on two the 5th suspension centres 35 of the 5th group of suspension centre, rear to unclamp suspender 23, suspender 23 moves right 0.7m to original position；Figure
8th, hanging beam dolly 25 drives section block on the left of afterbody to be moved to the left 2.3m in Fig. 9, so that hanging away from suspender on left side overarm arm
The suspension hook of beam dolly catches on two the first suspension centres 31 of first group of suspension centre, and the hanging beam dolly on left side overarm arm close to suspender is hung
Hook pine hook, and to the surface of two the 3rd suspension centres 33 of the 3rd group of suspension centre so that its suspension hook catches on the 3rd group after the 2.3m that moves right
Two the 3rd suspension centres 33 of suspension centre, on right side overarm arm close to suspender hanging beam dolly suspension hook pine hook, and the 0.61m that moves right
So that its suspension hook catches on two the 6th suspension centres 36 of the 6th group of suspension centre directly over to the 6th group of suspension centre, close to hanging on left side overarm arm
The suspension hook pine hook of the hanging beam dolly of tool 23；It is moved to the left on the left of afterbody after the block 0.75m of section, and makes on left side overarm arm in Figure 10
Two four-point liftings 34 of the 4th group of suspension centre are caught on close to the suspension hook of the hanging beam dolly of suspender, then unclamps and is leaned on right side overarm arm
The hanging beam dolly of nearly suspender 23；It is moved to the left in Figure 11 on the left of afterbody after the block 2.735m of section, is located at section block on the left of afterbody
On the left of crane's major girder immediately below hanging reinforcing bar, and hanging reinforcing bar is caught on sling point 37, unclamp hanging beam trolley lifting hook and complete tail
Block lifting in section on the left of portion；Because the supporting leg 22 of Bridge Erector stops that the suspension hook for causing hanging beam dolly is catching on the mistake of hanging crossbeam 3
The side movement of supporting leg 22 can only be located in journey in overarm arm 24, that is, the suspension hook for being distributed in the hanging beam dolly of the both sides of supporting leg 22 is hooking
Movement is no more than supporting leg during firmly hanging crossbeam 3, and movement is only defined within crane's major girder, therefore uses and set
Multiple suspension centres adjust section block position with setting hanging beam dolly, to complete the lifting of left side section block and right side section block.
The suspending method of section block is with the method for block lifting in section on the left of afterbody on the right side of afterbody, and afterbody is right in hoisting process
The axial direction of relative crane's major girder length direction is in specular with the lifting of section block on the left of afterbody for the lifting of side section block, figure
12 be the schematic diagram for being finally afterbody left side section block and the block lifting completion of afterbody right side section.
In another technical solution, described equidistant double width bridge uses the side of Segmental assembling bridge-erecting machine synchronous construction
Method, when hanging two groups of section blocks of arbitrary neighborhood, section block, afterbody right side section block will using suspender on the left of one of which afterbody
1.4~1.5m below placement girder under section block, afterbody right side section block on the left of afterbody, another set afterbody left side section block,
Section block will place 5.2~5.3m below girder on the left of afterbody using suspender under section block, afterbody right side section block on the right side of afterbody.
I.e. if Figure 13 afterbody two adjacent groups section block is in be staggered in lifting.
In another technical solution, described equidistant double width bridge uses the side of Segmental assembling bridge-erecting machine synchronous construction
Method, the length of crossbeam 3 is hung 1.27 times of width between crane's major girder 1, first group of suspension centre is with second group of suspension centre spacing
Hang the length of crossbeam 3 0.344 times, second group of suspension centre and the 3rd group of suspension centre distance are hang the length of crossbeam 3 0.196 times, the
Three groups of suspension centres and the 4th group of suspension centre spacing are hang the length of crossbeam 3 0.07094 times, the 4th group of suspension centre and the 5th group of suspension centre spacing
To hang 0.298 times of the length of crossbeam 3, the 5th group of suspension centre and the 6th group of suspension centre spacing are hang the length of crossbeam 3 0.0521 times,
The end spacing of first group of suspension centre and the hanging crossbeam close to first group of suspension centre is 0.0188 times of hanging crossbeam length.Hang
The length of crossbeam 3 is 11.68m, first group of suspension centre and second group of suspension centre spacing are 4.01m, second group of suspension centre and the 3rd group of suspension centre
Distance is 2.28m, the 3rd group of suspension centre and the 4th group of suspension centre spacing are 0.828m, the 4th group of suspension centre is with the 5th group of suspension centre spacing
3.48m, the 5th group of suspension centre and the 6th group of suspension centre spacing are 0.608m, the hanging crossbeam of first group of suspension centre and close first group of suspension centre
End spacing be 0.219m.
In another technical solution, described equidistant double width bridge uses the side of Segmental assembling bridge-erecting machine synchronous construction
Method, when lifting the section block at afterbody both ends, when hanging two groups of section blocks of arbitrary neighborhood, hang section block on the left of next group of afterbody
When step 2 in also include mobile hoisting overhead travelling crane and make to have lifted completion close to previous group on section hanging crossbeam on the left of next group of afterbody
Afterbody on the left of the sling point of section block the afterbody left side section block end face horizontal range of completion lifted with previous group be
200mm.Technical scheme, afterbody uses lifts section block by both ends to centre, positioned at the multigroup of last group of both sides
During the block lifting of section, the two adjacent groups section block of any side, when section block lifts on the left of next group of afterbody, mobile lifting day
Car makes the sling point for having lifted section block on the left of the afterbody of completion on the left of next group of afterbody on section hanging crossbeam close to previous group
The left side section block end face horizontal range that completion has been lifted with previous group is 200mm, so the afterbody in last group is lifted
Section block will not encounter the adjacent section block for having lifted completion in rotary course on the right side of left side section block or afterbody.
In another technical solution, method that described equidistant double width bridge uses Segmental assembling bridge-erecting machine synchronous construction,
Any one in two sling points and corresponding 3rd group of suspension centre and the 4th group of suspension centre between second group of suspension centre and the 3rd group of suspension centre
Between axisymmetrical of the sling point along section block width set.Four sling points set on hanging crossbeam 3, what it was formed
The axial direction in rectangle length direction and the axis of width are respectively with hanging the length-wise axis and width axis of crossbeam 3
Overlap.
In another technical solution, method that described equidistant double width bridge uses Segmental assembling bridge-erecting machine synchronous construction,
First suspension centre 31, the second suspension centre 32, the 3rd suspension centre 33, four-point lifting 34, the 5th suspension centre 35, the circle center line connecting of the 6th suspension centre 36 are with hanging
The length-wise axis of crossbeam 3 is hung to overlap.I.e. the setting of suspension centre is in the hanging length-wise axis of crossbeam 3.
In another technical solution, method that described equidistant double width bridge uses Segmental assembling bridge-erecting machine synchronous construction,
1~1.01 times that the length of crossbeam 3 is section block length is hung, when hanging crossbeam 3 is arranged on the block of section along its length, hanging
The axis of the length direction of crossbeam 3 overlaps with the axis in section block length direction.The length for hanging crossbeam 3 is slightly larger than section block length
Degree, hanging crossbeam 3 are arranged on section block center, are lifted when so more stable during the block of section.
Although embodiment of the present invention is disclosed as above, it is not restricted in specification and embodiment listed
With it can be applied to various suitable the field of the invention completely, can be easily for those skilled in the art
Other modification is realized, therefore under the universal limited without departing substantially from claim and equivalency range, it is of the invention and unlimited
In specific details and shown here as the embodiment with description.
Claims (8)
- A kind of 1. method that equidistantly double width bridge uses Segmental assembling bridge-erecting machine synchronous construction, it is characterised in that including following step Suddenly：S1, hoisting overhead travelling crane is installed on Bridge Erector, hoisting overhead travelling crane can move along crane's major girder length direction, wherein, described Weight overhead traveling crane includes：Horizontally disposed crossbeam, the suspender positioned at crossbeam lower surface, crossbeam lower surface is arranged at along crossbeam length direction Two overarm arms, two overarm arms are symmetrically distributed at left and right sides of suspender, and each end of the arm away from suspender of hanging oneself from a beam is respectively positioned on Cross rail outer, each arm lower surface of hanging oneself from a beam are provided with two groups of hanging beam dollies along its length, and every group of hanging beam dolly includes two With the symmetrically arranged two hanging beam dollies in arm lengths direction of hanging oneself from a beam, each hanging beam dolly can slide along overarm arm lengths direction；S2, the both ends on hanging crossbeam along its length are provided with first group of suspension centre, the 6th group of suspension centre, and first group of suspension centre includes Two to hang symmetrically arranged first suspension centre of crossbeam length-wise axis, the 6th group of suspension centre include two to hang crossbeam length Symmetrically arranged 6th suspension centre of azimuth axis, relative between first group of suspension centre, the 6th group of suspension centre to be provided with two groups of sling points, every group is hung Hanging point includes two along the symmetrical sling point of crossbeam length direction is hung, and two groups of sling points are relative to hang beam width direction pair Claim；Include successively lifting multigroup section block when S3, bridge formation, the lifting of every group of section block includes the lifting of left side section block and the right side The block lifting of side section, regulation two adjacent groups section block spacing complete construction, wherein, block lifting in left side section includes：Left side section block is transported to below crane's major girder using fortune beam pontoon, and hanging crossbeam is arranged on along its length On the block of left side section, and the suspension hook on left side overarm arm close to the hanging beam dolly of suspender is set to catch on two of the 6th group of suspension centre respectively 6th suspension centre, the suspension hook of the hanging beam dolly away from suspender catches on two first of first group of suspension centre and hung respectively on left side overarm arm Point, it is lifted up on the left of left side section block to crane's major girder immediately below hanging reinforcing bar, and hanging reinforcing bar is caught on sling point, pine Beam trolley lifting hook of holding funeral rites completes the block lifting of left side section；The block lifting of right side section includes：Right side section block is transported to below crane's major girder using fortune beam pontoon, and hanging crossbeam is arranged on along its length On the block of right side section, and the suspension hook on right side overarm arm close to the hanging beam dolly of suspender is set to catch on two of the 6th group of suspension centre respectively 6th suspension centre, the suspension hook of the hanging beam dolly away from suspender catches on two first of first group of suspension centre and hung respectively on right side overarm arm Point, it is lifted up on the right side of right side section block to crane's major girder immediately below hanging reinforcing bar, and hanging reinforcing bar is caught on sling point, pine Beam trolley lifting hook of holding funeral rites completes the block lifting of right side section.
- 2. the method as claimed in claim 1 that equidistantly double width bridge uses Segmental assembling bridge-erecting machine synchronous construction, its feature exist In being hung in s1 on crossbeam along its length and be additionally provided with second group between first group of suspension centre, the 6th group of suspension centre and hang Point, the 3rd group of suspension centre, the 4th group of suspension centre, the 5th group of suspension centre, second group of suspension centre include two to hang crossbeam length-wise axis Symmetrically arranged second suspension centre, the 3rd group of suspension centre are hung including two with hanging crossbeam length-wise axis the symmetrically arranged 3rd Point, the 4th group of suspension centre include two to hang the symmetrically arranged four-point lifting of crossbeam length-wise axis, the 5th group of suspension centre includes Two to hang symmetrically arranged 5th suspension centre of crossbeam length-wise axis；Wherein, the length for hanging crossbeam is crane's major girder Between 1.26~1.28 times of width, first group of suspension centre and second group of suspension centre spacing are the 0.336~0.353 of hanging crossbeam length Times, second group of suspension centre and the 3rd group of suspension centre distance are 0.179~0.197 times of hanging crossbeam length, the 3rd group of suspension centre and the 4th Group suspension centre spacing is 0.0053~0.0795 times of hanging crossbeam length, and the 4th group of suspension centre and the 5th group of suspension centre spacing are horizontal for hanging 0.289~0.307 times of beam length, the 5th group of suspension centre and the 6th group of suspension centre spacing for hanging crossbeam length 0.043~ 0.0606 times, first group of suspension centre and the spacing of the end of the hanging crossbeam close to first group of suspension centre are to hang crossbeam length 0.0103~0.0274 times, hung relatively between second group of suspension centre and the 3rd group of suspension centre, between the 3rd group of suspension centre and the 4th group of suspension centre Crossbeam length-wise axis is symmetrically equipped with two sling points；S4, along between two bridge piers of afterbody multigroup section block is lifted from both ends to centre, the lifting of every group of section block includes afterbody Section block lifting on the right side of the block lifting of left side section and afterbody, wherein, the lifting of section block, comprises the following steps on the left of afterbody：Step 1, crossbeam will be hung along its length on the block of afterbody left side section, and utilize the suspender at hoisting overhead travelling crane center Between left side section block is hung into crane's major girder with width, with the suspender positioned at hoisting overhead travelling crane center by left side section block Sling, and will be placed under the block of left side section below girder；Step 2, suspender drive section block on the left of afterbody to be moved to the left, after be rotated by 90 ° so that section block length direction on the left of afterbody It is consistent with crane's major girder width；Step 3, the mobile hanging beam dolly being located at left and right sides of suspender on overarm arm, and make on left side overarm arm close to suspender The suspension hook of one group of hanging beam dolly catch on two the second suspension centres of second group of suspension centre respectively, close to the one of suspender on right side overarm arm The suspension hook of group hanging beam dolly catches on two the 5th suspension centres of the 5th group of suspension centre respectively, unclamps suspender afterwards, suspender moves right to original Position；Step 4, hanging beam dolly drive section block on the left of afterbody to be moved to the left, so that the hanging beam away from suspender is small on left side overarm arm The suspension hook of car catches on two the first suspension centres of first group of suspension centre respectively, close to one group of hanging beam dolly of suspender on left side overarm arm Suspension hook pine hook, and move right to directly over two the 3rd suspension centres of the 3rd group of suspension centre so that its suspension hook catches on the 3rd respectively hangs Point, on right side overarm arm close to suspender one group of hanging beam dolly suspension hook pine hook, and move right to two of the 6th group of suspension centre So that its suspension hook catches on the 6th suspension centre respectively directly over 6th suspension centre, on left side overarm arm close to suspender hanging beam dolly suspension hook Loose hook；Step 5, section block on the left of afterbody is moved to the left, and makes the suspension hook of one group of hanging beam dolly of close suspender on left side overarm arm Two four-point liftings of the 4th group of suspension centre are caught on respectively, are then unclamped on right side overarm arm close to one group of hanging beam dolly of suspender；Step 6, section block on the left of afterbody is moved to the left, section block on the left of afterbody is being located at crane's major girder left side hanging reinforcing bar just Lower section, and hanging reinforcing bar is caught on sling point, unclamp hanging beam trolley lifting hook and complete block lifting in section on the left of afterbody；The hanging of section block, comprises the following steps on the right side of afterbody：Step a, hoisting overhead travelling crane, repeat step 1 are moved along bridge formation direction；Step b, suspender drives section block on the right side of afterbody to move right, and is rotated by 90 °, so that section block and step 2 on the right side of afterbody Section block is in specular on the left of middle afterbody；Step c, mobile one group of hanging beam dolly being located at left and right sides of suspender on overarm arm, and make close on left side overarm arm The suspension hook of one group of hanging beam dolly of suspender catches on two the 5th suspension centres of the 5th group of suspension centre respectively, close to suspender on right side overarm arm The suspension hook of one group of hanging beam dolly catch on two the second suspension centres of second group of suspension centre respectively, and unclamp suspender, suspender moves right To original position；Step d, hanging beam dolly drives section block on the right side of afterbody to move right, so that one group on right side overarm arm away from suspender is hung The suspension hook of beam dolly catches on two the first suspension centres of first group of suspension centre and unclamped on right side overarm arm close to one group of hanging beam of suspender Dolly；Step e, move one group of hanging beam dolly of close suspender on right side overarm arm and its suspension hook is caught on the 3rd group of suspension centre respectively Two the 3rd suspension centres, then move on left side overarm arm close to suspender one group of hanging beam dolly and make its suspension hook catch on the 6th to hang Point, then unclamp the hanging beam dolly of two the 3rd suspension centres of the 3rd group of suspension centre；Step f, hanging beam dolly drives section block on the right side of afterbody to move right, and makes to hang close to one group of suspender on right side overarm arm The suspension hook of beam dolly catches on two the 3rd suspension centres of the 3rd group of suspension centre respectively, then unclamps two the 6th suspension centres of the 6th group of suspension centre Hanging beam trolley lifting hook；Step g, hanging beam dolly drives section block on the right side of afterbody to move right, and moves hoisting overhead travelling crane along bridge formation opposite direction, makes Section block and the afterbody left side section block lifted are located on straight line and section block on the right side of afterbody is located at frame on the right side of afterbody On the right side of bridge main beam immediately below hanging reinforcing bar, and hanging reinforcing bar is caught on sling point, it is right to unclamp hanging beam trolley lifting hook completion afterbody The block lifting of side section.
- 3. the method as claimed in claim 2 that equidistantly double width bridge spells bridge machine synchronous construction using section, it is characterised in that hanging When hanging two groups of section blocks of arbitrary neighborhood, section block, afterbody right side section block are left by afterbody using suspender on the left of one of which afterbody 1.4~1.5m below girder is placed on the right side of side section block, afterbody under the block of section, another set afterbody left side section block, afterbody are right Side section block will place 5.2~5.3m below girder on the left of afterbody using suspender under section block, afterbody right side section block.
- 4. the method as claimed in claim 2 that equidistantly double width bridge spells bridge machine synchronous construction using section, it is characterised in that hanging For the length of crossbeam 1.27 times of width between crane's major girder, first group of suspension centre and second group of suspension centre spacing are hanging crossbeam length 0.344 times of degree, second group of suspension centre and the 3rd group of suspension centre distance is hang 0.196 times of crossbeam length, the 3rd group of suspension centre and the Four groups of suspension centre spacing are 0.07094 times of hanging crossbeam length, and the 4th group of suspension centre and the 5th group of suspension centre spacing are hanging crossbeam length 0.298 times of degree, the 5th group of suspension centre and the 6th group of suspension centre spacing are 0.0521 times of hanging crossbeam length, and first group of suspension centre is with leaning on The spacing of the end of the hanging crossbeam of nearly first group of suspension centre is 0.0188 times of hanging crossbeam length.
- 5. the method as claimed in claim 2 that equidistantly double width bridge spells bridge machine synchronous construction using section, it is characterised in that hanging When filling the section block at afterbody both ends, when hanging two groups of section blocks of arbitrary neighborhood, step 2 when hanging section block on the left of next group of afterbody In also include the afterbody that mobile hoisting overhead travelling crane makes to have lifted completion on the left of next group of afterbody on section hanging crossbeam close to previous group It is 200mm that the sling point of left side section block, which has lifted section block end face horizontal range on the left of the afterbody of completion with previous group,.
- 6. the method as claimed in claim 2 that equidistantly double width bridge spells bridge machine synchronous construction using section, it is characterised in that second Any one in two sling points is between corresponding 3rd group of suspension centre and the 4th group of suspension centre between group suspension centre and the 3rd group of suspension centre Axisymmetrical of the sling point along section block width is set.
- 7. the method as claimed in claim 2 that equidistantly double width bridge spells bridge machine synchronous construction using section, it is characterised in that first Suspension centre, the second suspension centre, the 3rd suspension centre, four-point lifting, the 5th suspension centre, the 6th suspension centre circle center line connecting and hanging crossbeam longitudinal axis Line overlaps.
- 8. the method as claimed in claim 2 that equidistantly double width bridge spells bridge machine synchronous construction using section, it is characterised in that hanging Crossbeam length is 1~1.01 times of section block length, when hanging crossbeam is arranged on the block of section along its length, hanging crossbeam length The axis in degree direction overlaps with the axis in section block length direction.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108797379A (en) * | 2018-07-03 | 2018-11-13 | 中交第二航务工程局有限公司 | Become the method that spacing double width bridge uses Segmental assembling bridge-erecting machine synchronous construction |
| CN109629422A (en) * | 2018-11-28 | 2019-04-16 | 中交第二航务工程局有限公司 | A kind of new Bridge Erector traverses over width method |
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| 黄耀抑，余春红: "略论我国大吨位架桥机从创始到世界领先之路（下）", 《铁道建筑技术》 * |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108797379A (en) * | 2018-07-03 | 2018-11-13 | 中交第二航务工程局有限公司 | Become the method that spacing double width bridge uses Segmental assembling bridge-erecting machine synchronous construction |
| CN108797379B (en) * | 2018-07-03 | 2023-05-26 | 中交第二航务工程局有限公司 | Synchronous construction method for variable-spacing double-frame bridge by adopting segment assembly bridge girder erection machine |
| CN109629422A (en) * | 2018-11-28 | 2019-04-16 | 中交第二航务工程局有限公司 | A kind of new Bridge Erector traverses over width method |
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|---|---|
| CN107687132B (en) | 2019-03-08 |
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