CN110512526A - A kind of bottom die of box-beam axis auxiliary adjusting device and method of adjustment - Google Patents
A kind of bottom die of box-beam axis auxiliary adjusting device and method of adjustment Download PDFInfo
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- CN110512526A CN110512526A CN201910798442.8A CN201910798442A CN110512526A CN 110512526 A CN110512526 A CN 110512526A CN 201910798442 A CN201910798442 A CN 201910798442A CN 110512526 A CN110512526 A CN 110512526A
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- ruler
- box
- bottom die
- differentiation
- pull
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- 238000000034 method Methods 0.000 title claims abstract description 15
- 230000004069 differentiation Effects 0.000 claims abstract description 62
- 238000005259 measurement Methods 0.000 claims description 11
- FGUUSXIOTUKUDN-IBGZPJMESA-N C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 Chemical compound C1(=CC=CC=C1)N1C2=C(NC([C@H](C1)NC=1OC(=NN=1)C1=CC=CC=C1)=O)C=CC=C2 FGUUSXIOTUKUDN-IBGZPJMESA-N 0.000 claims description 6
- 238000000605 extraction Methods 0.000 claims description 4
- 238000009966 trimming Methods 0.000 claims description 4
- 230000008859 change Effects 0.000 claims description 3
- 230000004048 modification Effects 0.000 description 4
- 238000012986 modification Methods 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000008569 process Effects 0.000 description 3
- 239000000284 extract Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 241000473256 Erythrolamprus cursor Species 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
Classifications
-
- E—FIXED CONSTRUCTIONS
- E01—CONSTRUCTION OF ROADS, RAILWAYS, OR BRIDGES
- E01D—CONSTRUCTION OF BRIDGES, ELEVATED ROADWAYS OR VIADUCTS; ASSEMBLY OF BRIDGES
- E01D2/00—Bridges characterised by the cross-section of their bearing spanning structure
- E01D2/04—Bridges characterised by the cross-section of their bearing spanning structure of the box-girder type
-
- 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
Abstract
The invention discloses a kind of bottom die of box-beam axis auxiliary adjusting device and methods of adjustment, it is used to assist the linear of adjustment bottom die of box-beam, include: differentiation ruler, offer accommodating chamber along its longitudinal direction in differentiation ruler, breaks up at the longitudinal center position of ruler upper surface and be provided with centering label；Two fixed frames, two fixed frames are sheathed on the left and right ends of differentiation ruler respectively, and can be provided in the longitudinal movement for breaking up ruler, fixed frame for the first locking member that fixed frame and differentiation ruler is fixed, and fixed frame is for being bonded differentiation ruler with bottom die of box-beam；Pull ruler, pull ruler are contained in accommodating chamber, and pull ruler has a pull end, and pull ruler is extracted out or retracted by pull end；Line pendant, line pendant are set to pull end, and line pendant is used for alignment guide, is related to bottom die of box-beam processing equipment field.Overall structure of the present invention is simple, easy to operate, uses total station without whole, and also the bring human error there is no repeatedly adjustment prism location, shortens adjustment time, reduce alignment error.
Description
Technical field
The present invention relates to bottom die of box-beam processing equipment fields, are specifically related to a kind of bottom die of box-beam axis auxiliary adjusting device
And method of adjustment.
Background technique
In Modern Bridge Engineering construction, the factors such as geographical conditions, economic cost, difficulty of construction, precast box are comprehensively considered
Beam has been more and more widely used, and quality directly influences the construction quality of entire bridge；And bottom die of box-beam is pre-
The foundation of box beam processed, is formed by welded steel, and precision controlling is directly related to the linear of box beam, therefore needs after processing is completed
The axis of bottom die of box-beam is adjusted to complete bed die LFM signal.
It is in the prior art that coordinate system is arranged by total station to the method that bed die axis is adjusted, on bed die
Prism is set, is repeatedly observed with total station and adjusting bed die position is overlapped bed die axis with x-axis or y-axis；Its problem is
Whole during adjustment to use total station, larger workload, efficiency is lower, and manually repeatedly erects prism, and there are biggish people
Work drunkenness error causes last position to adjust inaccuracy.
Summary of the invention
The purpose of the invention is to overcome the shortcomings of above-mentioned background technique, one kind is provided without whole and uses total station,
And the lesser bottom die of box-beam axis auxiliary adjusting device of human error and method of adjustment.
The present invention provides a kind of bottom die of box-beam axis auxiliary adjusting device, is used to assist the linear of adjustment bottom die of box-beam,
Include:
Break up ruler, the differentiation ruler is interior to offer accommodating chamber along its longitudinal direction, breaks up at the longitudinal center position of ruler upper surface
It is provided with centering label；
Two fixed frames, two fixed frames are sheathed on the left and right ends of the differentiation ruler respectively, and can be along the vertical of differentiation ruler
To movement, it is provided on fixed frame for the first locking member that fixed frame and differentiation ruler is fixed, fixed frame breaks up ruler for making
It is bonded with bottom die of box-beam；
Pull ruler, the pull ruler are contained in the accommodating chamber, and pull ruler has a pull end, and pull ruler is by the pumping
Pull end extraction retracts；
Line pendant, the line pendant are set to the pull end, and line pendant is used for alignment guide.
Based on the above technical solution, the upper surface of the differentiation ruler is vertically arranged with master calibration item along it, described
Master calibration item is with the centering mark for 0 scale, and both ends are uniformly distributed to the left and right.
Based on the above technical solution, the auxiliary adjusting device further includes cursor frame and prism, the cursor frame
It is sheathed on the differentiation ruler, and cursor frame, between two fixed frames, the prism is vertically arranged at the upper surface of cursor frame,
The mirror surface direction of prism is horizontally-parallel with differentiation ruler.
Based on the above technical solution, the upper surface of the cursor frame is additionally provided with pointer, the direction of the pointer
It is overlapped with the mirror surface of prism direction.
Based on the above technical solution, the upper surface of the differentiation ruler offers the connection being connected to the accommodating chamber
Slot, the upper surface of the pull ruler are provided with connecting rod, and the connecting rod passes through the link slot and is fixedly connected with the cursor frame.
Based on the above technical solution, the second locking member, second locking member are additionally provided on the cursor frame
For cursor frame and differentiation ruler to be fixed.
Based on the above technical solution, the upper surface of the pull ruler is vertically arranged with secondary scale strip along it, described
Secondary scale strip at the pull end to the other end of pull ruler, for 0 scale, and to be uniformly distributed.
Based on the above technical solution, it is respectively arranged with a foot screw on the lower surface quadrangle of the differentiation ruler,
Four foot screws support differentiation ruler jointly, and the height of foot screw is adjustable；The upper surface of differentiation ruler is provided with horizontal ruler.
The present invention also provides a kind of bottom die of box-beam axis to assist method of adjustment, comprising the following steps:
A, auxiliary adjusting device as described above is provided, and at away from the position bottom die of box-beam theoretical axis Amm, drafting and case
The parallel reference line of beam bottom board theoretical axis；
B, differentiation ruler is set on bottom die of box-beam, adjusts the position of two fixed frames, two fixed frames is made to be bonded box beam respectively
The both sides of the edge of bed die, and two fixed frames are equidistant away from what centering marked, lock the first locking member；
C, it extracts pull ruler out, line is made to fall alignment guide, the length Bmm of measurement pull ruler extraction；
D, distance Cmm of the measurement centering label away from differentiation ruler one end；
E, bottom die of box-beam is adjusted into B+C-Amm to reference line side；
F, the position along the longitudinally adjusted differentiation ruler of bottom die of box-beam on bottom die of box-beam repeats step b-e until completing case
The axis trimming of beam bottom board.
Based on the above technical solution, the auxiliary adjusting device further includes cursor frame and prism, the cursor frame
It is sheathed on the differentiation ruler, and cursor frame, between two fixed frames, the prism is vertically arranged at the upper surface of cursor frame,
The central axes of prism are horizontally-parallel with differentiation ruler；The upper surface of the cursor frame is additionally provided with pointer, the mirror surface of the pointer
Towards coincidence；
It is further comprising the steps of between step e and step f:
G, total station is set in bottom die of box-beam theoretical axis, moving cursor frame is located at prism in the observation of total station
The heart；
H, the distance Dmm that measurement pointer is marked away from centering；
I, bottom die of box-beam is adjusted into Dmm to pointer side；
Step f further includes repeating step g-i.
Compared with prior art, advantages of the present invention is as follows:
The installation base of bottom die of box-beam axis auxiliary adjusting device of the invention by setting differentiation ruler as remaining each component
Plinth, and break up label of the centering label as alignment bottom die of box-beam actual axle line on ruler, setting pull ruler is as alignment box beam
The benchmark of bed die theoretical axis calculates the adjustment amplitude of bottom die of box-beam, device overall structure by length that pull ruler is extracted out
Simply, the easy to operate of adjustment is assisted, uses total station without whole, also the bring people there is no repeatedly adjustment prism location
Work error, shortens adjustment time, reduces alignment error.
Detailed description of the invention
Fig. 1 is the structure top view of the bottom die of box-beam axis auxiliary adjusting device of the embodiment of the present invention；
Fig. 2 is the structural front view of the bottom die of box-beam axis auxiliary adjusting device of the embodiment of the present invention；
Fig. 3 is the structure left view of the bottom die of box-beam axis auxiliary adjusting device of the embodiment of the present invention；
Fig. 4 is the use state diagram of the bottom die of box-beam axis auxiliary adjusting device of the embodiment of the present invention.
Appended drawing reference: 1-differentiation ruler, 11-accommodating chambers, 12-centerings label, 13-master calibration items, 14-link slots,
15-foot screws, 16-horizontal rulers, 2-fixed frames, the 21-the first locking member, 3-pull rulers, 31-pull ends, 32-secondary quarters
Spend item, 4-lines pendant, 5-cursor frames, 51-prisms, 52-pointers, the 53-the second locking member, 6-bottom die of box-beam.
Specific embodiment
With reference to the accompanying drawing and specific embodiment the present invention is described in further detail.
Referring to shown in Fig. 1 to Fig. 3, the embodiment of the present invention provides a kind of bottom die of box-beam axis auxiliary adjusting device, is used for
Auxiliary adjusts the linear of bottom die of box-beam 6, comprising: differentiation ruler 1, two fixed frames 2, pull ruler 3, line pendant 4.
Accommodating chamber 11 is offered along its longitudinal direction in the differentiation ruler 1, breaks up at the longitudinal center position of 1 upper surface of ruler and is arranged
There is centering label 12；Two fixed frames 2 are sheathed on the left and right ends of the differentiation ruler 1 respectively, and can be along the longitudinal direction of differentiation ruler 1
It is mobile, it is provided on fixed frame 2 for the first locking member 21 that fixed frame 2 and differentiation ruler 1 is fixed, fixed frame 2 is for making point
Change ruler 1 to be bonded with bottom die of box-beam 6；The pull ruler 3 is contained in the accommodating chamber 11, and pull ruler 3 has a pull end 31, is taken out
Measuring tape 3 is extracted out or is retracted by the pull end 31；The line pendant 4 is set to the pull end 31, and line pendant 4 is for being aligned reference
Line.
The installation base of bottom die of box-beam axis auxiliary adjusting device of the invention by setting differentiation ruler 1 as remaining each component
Plinth, and break up label of the centering label 12 as the alignment practical axis of bottom die of box-beam 6 on ruler 1, setting pull ruler 3 is as alignment
The benchmark of 6 theoretical axis of bottom die of box-beam, the adjustment amplitude of bottom die of box-beam 6 is calculated by the length of the extraction of pull ruler 3, and device is whole
Body structure is simple, assists the easy to operate of adjustment, uses total station without whole, also there is no repeatedly adjustment 51 position of prism and
Bring human error, shortens adjustment time, reduces alignment error.
In the present embodiment, it is preferred that the upper surface of the differentiation ruler 1 is vertically arranged with master calibration item 13 along it, described
Master calibration item 13 is with, for 0 scale, and both ends are uniformly distributed to the left and right at the centering label 12；The main quarter being arranged on differentiation ruler 1
Item 13 is spent, can be used as the graduation indication that fixed frame 2 moves on differentiation ruler 1, convenient for making centering label 12 be aligned bottom die of box-beam 6
Practical axis, so that going on smoothly subsequent bottom die of box-beam 6 adjusts work.
In the present embodiment, it is preferred that the auxiliary adjusting device further includes cursor frame 5 and prism 51, the cursor frame 5
It is sheathed on 1 on the differentiation ruler, and cursor frame 5, between two fixed frames 2, the prism 51 is vertically arranged at cursor frame 5
Upper surface, the mirror surface of prism 51 is towards horizontally-parallel with differentiation ruler 1；Cursor frame 5 is set and prism 51, prism 51 can be with trips
Mark frame 5 moves longitudinally on differentiation ruler 1, and the mirror surface direction of prism 51 is parallel with the differentiation row of ruler 1, convenient for subsequent using complete
Instrument stand to be directed at prism 51, carries out the axis accurate adjustment of bottom die of box-beam 6；Further, the upper surface of the cursor frame 5 is additionally provided with finger
The direction of needle 52, the pointer 52 is overlapped with the mirror surface of the prism 51 direction；It is set to point to and the mirror surface of prism 51 direction weight
The pointer 52 of conjunction can pass through convenient for indicating the position of prism 51 on differentiation ruler 1, and after using total station alignment prism 51
The decorating position of total station is adjusted, to make pointer 52 be directed toward the required position being aligned.
In the present embodiment, it is preferred that the upper surface of the differentiation ruler 1 offers the connection being connected to the accommodating chamber 11
Slot 14, the upper surface of the pull ruler 3 are provided with connecting rod, and the connecting rod passes through the link slot 14 and consolidates with the cursor frame 5
Fixed connection；I.e. cursor frame 5 can be moved with the movement of pull ruler 3, and drive other each components movements on cursor frame 5, be convenient for
Adjust its position on differentiation ruler 1；Further, the second locking member 53, second locking are additionally provided on the cursor frame 5
Part 53 is used for cursor frame 5 and differentiation ruler 1 is fixed；After cursor frame 5 and differentiation ruler 1 are fixed using the second locking member 53, pull
The components such as the prism 51 on ruler 3 and cursor frame 5 are also fixed therewith, are convenient for subsequent measurement, adjustment etc..
In the present embodiment, it is preferred that the upper surface of the pull ruler 3 is vertically arranged with secondary scale strip 32 along it, described
Secondary scale strip 32 at the pull end 31 to the other end of pull ruler 3, for 0 scale, and to be uniformly distributed；Secondary quarter on pull ruler 3
Item 32 is spent, can be used as graduation indication when pull ruler 3 is extracted out, the length extracted out convenient for measurement pull ruler 3.
In the present embodiment, it is preferred that it is respectively arranged with a foot screw 15 on the lower surface quadrangle of the differentiation ruler 1,
Ruler 1 is broken up in support to four foot screws 15 jointly, and the height of foot screw 15 is adjustable；The upper surface of differentiation ruler 1 is provided with level
Ruler 16；The foot screw 15 of quadrangle can adjust height respectively, cooperate horizontal ruler 16 to ensure to adjust device using preceding and keep horizontal
State guarantees the accurate of measurement result, accurately to carry out the axis trimming of bottom die of box-beam 6.
Shown in Figure 4, the embodiment of the present invention also provides a kind of bottom die of box-beam axis auxiliary method of adjustment, including following step
It is rapid:
A, provide auxiliary adjusting device as described above, and at away from 6 position theoretical axis Amm of bottom die of box-beam, draw with
The parallel reference line of 6 theoretical axis of bottom die of box-beam；
B, differentiation ruler 1 is set on bottom die of box-beam 6, adjusts the position of two fixed frames 2, is bonded two fixed frames 2 respectively
The first locking member 21 is locked in the both sides of the edge of bottom die of box-beam 6, and two being equidistant away from centering label 12 of fixed frame 2；
C, it extracts pull ruler 3 out, line is made to fall 4 alignment guides, the length Bmm that measurement pull ruler 3 is extracted out；
D, distance Cmm of the measurement centering label 12 away from differentiation 1 one end of ruler；
E, bottom die of box-beam 6 is adjusted into B+C-Amm to reference line side；
F, the position along the longitudinally adjusted differentiation ruler 1 of bottom die of box-beam 6 on bottom die of box-beam 6 repeats step b-e until completing
The axis trimming of bottom die of box-beam 6.
This process is the coarse adjustment of 6 axis of bottom die of box-beam, and two fixed frames 2 are bonded the both sides of the edge of bottom die of box-beam 6, and two respectively
Fixed frame 2 is equidistant away from centering label 12, is at this time the position of the practical axis of bottom die of box-beam 6 at 12 position of centering label
It sets；And the length Bmm that pull ruler 3 is extracted out is bottom die of box-beam 6 away from the sum of differentiation 1 one end distance Cmm of ruler with centering label 12
Practical axis and the distance between reference line, it is real for subtracting the distance between theoretical axis and reference line of bottom die of box-beam 6
6 axis of bottom die of box-beam can be completed according to this difference to reference line side adjusting tank beam bottom board 6 in the difference of border axis and theoretical axis
The coarse adjustment of line is without the use of total station using reference line as the benchmark of adjustment during this, and also just there is no repeatedly adjustment ribs
Mirror position and bring human error.
It is further comprising the steps of between step e and step f:
G, total station is set in 6 theoretical axis of bottom die of box-beam, moving cursor frame 5 makes prism 51 be located at the sight of total station
Measured center；
H, distance Dmm of the pointer 52 away from centering label 12 is measured；
I, bottom die of box-beam 6 is adjusted into Dmm to 52 side of pointer；
Step f further includes repeating step g-i.
This process is the accurate adjustment of 6 axis of bottom die of box-beam, and total station is set in 6 theoretical axis of bottom die of box-beam, mobile trip
Mark frame 5 makes prism 51 be located at the observation center of total station, and 52 pointed location of pointer is the theoretical axis of bottom die of box-beam 6 at this time
Position is still the position of the practical axis of bottom die of box-beam 6 at 12 position of centering label, and pointer 52 is at a distance from centering label 12
Dmm is the difference of practical axis and theoretical axis, adjusts bottom die of box-beam 6 to pointer side according to this difference, box beam can be completed
The accurate adjustment of bed die 6, this only need to be once aligned in the process with total station, use total station without whole, and prism 51 is with trip
Mark frame moves together, and is not required to repeatedly artificial setting prism 51, reduces artificial drunkenness error.
Those skilled in the art can carry out various modifications to the embodiment of the present invention and modification, if these modifications and change
For type within the scope of the claims in the present invention and its equivalent technologies, then these modifications and variations are also in protection scope of the present invention
Within.
The prior art that the content being not described in detail in specification is known to the skilled person.
Claims (10)
1. a kind of bottom die of box-beam axis auxiliary adjusting device is used to assist the linear of adjustment bottom die of box-beam (6), feature exists
In, comprising:
Break up ruler (1), offered accommodating chamber (11) in the differentiation ruler (1) along its longitudinal direction, is broken up in the longitudinal direction of ruler (1) upper surface
Centering label (12) is provided at heart position；
Two fixed frames (2), two fixed frames (2) are sheathed on the left and right ends of differentiation ruler (1) respectively, and can be along differentiation ruler
(1) longitudinal movement is provided on fixed frame (2) for first locking member that fixed frame (2) and differentiation ruler (1) are fixed
(21), fixed frame (2) is for being bonded differentiation ruler (1) with bottom die of box-beam (6)；
Pull ruler (3), the pull ruler (3) are contained in the accommodating chamber (11), and pull ruler (3) has a pull end (31),
Pull ruler (3) is extracted out or is retracted by the pull end (31)；
Line falls (4), and the line pendant (4) is set to the pull end (31), and line falls (4) and is used for alignment guide.
2. bottom die of box-beam axis auxiliary adjusting device as described in claim 1, it is characterised in that: described to break up the upper of ruler (1)
Surface is vertically arranged with master calibration item (13) along it, and the master calibration item (13) is marked with the centering for 0 scale at (12), and
Both ends are uniformly distributed to the left and right.
3. bottom die of box-beam axis auxiliary adjusting device as claimed in claim 1 or 2, it is characterised in that: the auxiliary adjustment dress
Setting further includes cursor frame (5) and prism (51), and the cursor frame (5) is sheathed on the differentiation ruler (1), and cursor frame (5) position
Between two fixed frames (2), the prism (51) is vertically arranged at the upper surface of cursor frame (5), the mirror surface direction of prism (51)
With differentiation ruler (1) it is horizontally-parallel.
4. bottom die of box-beam axis auxiliary adjusting device as claimed in claim 3, it is characterised in that: the cursor frame (5) it is upper
Surface is additionally provided with pointer (52), and the direction of the pointer (52) is overlapped with the mirror surface of the prism (51) direction.
5. bottom die of box-beam axis auxiliary adjusting device as claimed in claim 3, it is characterised in that: described to break up the upper of ruler (1)
Surface offers the link slot (14) being connected to the accommodating chamber (11), and the upper surface of the pull ruler (3) is provided with connecting rod, institute
Connecting rod is stated across the link slot (14) and is fixedly connected with the cursor frame (5).
6. bottom die of box-beam axis auxiliary adjusting device as claimed in claim 5, it is characterised in that: on the cursor frame (5) also
It is provided with the second locking member (53), second locking member (53) is used for cursor frame (5) and differentiation ruler (1) are fixed.
7. bottom die of box-beam axis auxiliary adjusting device as claimed in claim 1 or 2, it is characterised in that: the pull ruler (3)
Upper surface is vertically arranged with secondary scale strip (32) along it, it is described pair scale strip (32) at the pull end (31) be 0 scale, and
It is uniformly distributed to the other end of pull ruler (3).
8. bottom die of box-beam axis auxiliary adjusting device as described in claim 1, it is characterised in that: under the differentiation ruler (1)
A foot screw (15), support differentiation ruler (1) jointly of four foot screws (15), foot screw are respectively arranged on the quadrangle of surface
(15) height is adjustable；The upper surface of differentiation ruler (1) is provided with horizontal ruler (16).
9. a kind of bottom die of box-beam axis assists method of adjustment, which comprises the following steps:
A, auxiliary adjusting device as described in claim 1 is provided, and at away from bottom die of box-beam (6) position theoretical axis Amm, is drawn
Make the reference line parallel with bottom die of box-beam (6) theoretical axis；
B, differentiation ruler (1) is set on bottom die of box-beam (6), adjusts the position of two fixed frames (2), make two fixed frames (2) respectively
It is bonded the both sides of the edge of bottom die of box-beam (6), and two fixed frames (2) being equidistant away from centering label (12), the first locking of locking
Part (21)；
C, pull ruler (3) are extracted out, line is made to fall (4) alignment guide, the length Bmm of measurement pull ruler (3) extraction；
D, distance Cmm of the measurement centering label (12) away from differentiation ruler (1) one end；
E, bottom die of box-beam (6) is adjusted into B+C-Amm to reference line side；
F, the position along the longitudinally adjusted differentiation ruler (1) of bottom die of box-beam (6) on bottom die of box-beam (6) repeats step b-e until complete
At the axis trimming of bottom die of box-beam (6).
10. bottom die of box-beam axis as claimed in claim 9 assists method of adjustment, which is characterized in that the auxiliary adjusting device
It further include cursor frame (5) and prism (51), the cursor frame (5) is sheathed on the differentiation ruler (1), and cursor frame (5) is located at
Between two fixed frames (2), the prism (51) is vertically arranged at the upper surface of cursor frame (5), the central axes of prism (51) with point
Change the horizontally-parallel of ruler (1)；The upper surface of the cursor frame (5) is additionally provided with pointer (52), pointer (52 direction and the institute
The mirror surface direction for stating prism (51) is overlapped；
It is further comprising the steps of between step e and step f:
G, total station is set in bottom die of box-beam (6) theoretical axis, moving cursor frame (5) makes prism (51) be located at total station
Observation center；
H, distance Dmm of measurement pointer (52) away from centering label (12)；
I, bottom die of box-beam (6) (52) side Xiang Zhizhen is adjusted into Dmm；
Step f further includes repeating step g-i.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201910798442.8A CN110512526A (en) | 2019-08-27 | 2019-08-27 | A kind of bottom die of box-beam axis auxiliary adjusting device and method of adjustment |
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| CN201910798442.8A CN110512526A (en) | 2019-08-27 | 2019-08-27 | A kind of bottom die of box-beam axis auxiliary adjusting device and method of adjustment |
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