CN109778704A - A kind of curved variable cross-section fish-bellied type steel box-girder production positioning measurement constructing device and method - Google Patents
A kind of curved variable cross-section fish-bellied type steel box-girder production positioning measurement constructing device and method Download PDFInfo
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- CN109778704A CN109778704A CN201910147684.0A CN201910147684A CN109778704A CN 109778704 A CN109778704 A CN 109778704A CN 201910147684 A CN201910147684 A CN 201910147684A CN 109778704 A CN109778704 A CN 109778704A
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Abstract
The present invention provides a kind of curved variable cross-section fish-bellied type steel box-girder production positioning measurement constructing device and method, the device includes measurement and positioning benchmark panel, it is fixed on positioning datum panel two sides to be laid with two sliding rails disposed in parallel, running fix measuring device is installed respectively on two sliding rails, sliding and the fixed device that running fix measuring device includes indium steel ruler and is fixed on indium steel ruler on sliding rail, laser range finder is installed, laser range finder is mounted on indium steel ruler by slide card and can be slided on indium steel ruler on indium steel ruler.The present invention measures each segment positioning of steel box girder point by invention measuring device, verification and acquisition three-dimension curved surface data, ensure to be accurately positioned then in conjunction with three-dimensional BIM technology, curved surface steel box-girder point data can be quickly and effectively measured using this method, steel box-girder variable cross-section line style can be effectively controlled, the curved variable cross-section fish-bellied type steel box-girder production positioning measurement construction technology problem in construction site is preferably resolved.
Description
Technical field
The invention belongs to steel box-girders to make technical field of construction, in particular to a kind of curved variable cross-section fish-bellied type steel box-girder system
Make positioning measurement constructing device and method.
Background technique
In recent years, with the fast development of building trade, requirement of the Urban Bridge to landscape is higher and higher, and design mostly uses
Fish-belly box beam, fish-belly box beam bridge have the characteristics that handsome in appearance, meet bridge Aesthetics Design, common fish-belly continuous box beam
Mostly cross-section, template is assembled more regular in box girder construction, and moulding and the knot of curved variable cross-section fish-bellied type steel box-girder
Configuration formula is complicated, brings new challenge to construction.In curved each stage docking operation of variable cross-section fish-bellied type steel box-girder, due to cutting
Face size is different and section is the variation of irregular arc line shaped, and data collection verification is constantly measured when needing to install, common to survey
Amount method and photographic method are limited to the size and the variation of irregular face of component, and working efficiency is low, is unable to reach anticipation purpose.
To solve the above-mentioned problems, we invent a kind of new construction method, can sufficiently solve these by the method
Construction problem and difficult point.And a kind of curved variable cross-section fish-bellied type steel box-girder production positioning measurement construction method is invented, this method is logical
It crosses novel invention measuring device to measure each segment positioning of steel box girder point, checks and acquire three-dimension curved surface data, then tie
Closing three-dimensional BIM technology ensures to be accurately positioned, and (the part detailed process and step embody in technical solution) utilizes this method energy
Enough quickly and effectively measurement curved surface steel box-girder point data, can effectively control steel box-girder variable cross-section line style, preferably resolve and apply
The curved variable cross-section fish-bellied type steel box-girder in work scene makes positioning measurement construction technology problem.
Summary of the invention
For above-mentioned there are problem, the purpose of the present invention is to provide a kind of curved variable cross-section fish-bellied type steel box-girder production calmly
Position measurement constructing device and method, the present invention measure each segment positioning of steel box girder point by invention measuring device, check
With acquisition three-dimension curved surface data, ensures to be accurately positioned then in conjunction with three-dimensional BIM technology, can quickly and effectively be measured using this method
Curved surface steel box-girder point data, can effectively control steel box-girder variable cross-section line style, reach Forming Quality.
To achieve the above object, the technical solution adopted by the present invention is that: a kind of curved variable cross-section fish-bellied type steel box-girder production
Positioning measurement constructing device, including measurement and positioning benchmark panel, on positioning datum panel two sides it is fixed be laid with two it is parallel
The sliding rail of setting installs running fix measuring device, the running fix measurement dress on two sliding rails respectively
It sets including indium steel ruler and the indium steel ruler is fixed on sliding on the sliding rail and fixed device, on the indium steel ruler
Laser range finder is installed, the laser range finder is mounted on the indium steel ruler by slide card and can be in the indium steel ruler
Upper sliding.
Further, the sliding and fixed device include firm banking, indium steel ruler fixed frame, and the indium steel ruler fixed frame is solid
It is scheduled on above the firm banking, firm banking bottom is equipped with the groove coincideing with the sliding rail cross section, is located at described
The side plate of sliding rail two sides is equipped with level braking bolt, and firm banking top surface is located on the two sides of the indium steel ruler fixed frame
Equipped with vertical braking bolt, the level braking bolt and vertical braking bolt are respectively from horizontal direction with vertical direction to sliding
And fixed device is horizontally and vertically positioned on slide rail.
Further, the indium steel ruler fixed frame center is equipped with and the consistent cavity of indium steel ruler outer dimension, institute
It states indium steel ruler to be mounted in the cavity, through-hole is provided on the side wall of the indium steel ruler fixed frame, the first fixing bolt of two sides is worn
Through-hole is crossed indium steel ruler is locked in the indium steel ruler fixed frame center and the indium steel ruler is made to keep vertical.
Further, described slide card one end, which is sleeved on the indium steel ruler, can slide up and down and by lateral braking bolt
Position of the fixed slide card on the indium steel ruler, the other end of the slide card are equipped with U-lag, laser range finder
It is fixed in the U-lag by the second fixing bolt.
Further, the lateral braking bolt end setting rubber mat prevents damage indium steel ruler.
Further, multiple rail pressing plates, the end of the rail pressing plate and measurement is fixedly installed in the sliding rail two sides
Positioning datum panel is fixed, and sliding rail is fixed on the measurement and positioning benchmark panel by the rail pressing plate other end.
Further, the positioning datum panel is wider than each 1 meter of bridge floor both sides, plate thickness >=10mm.
The present invention also provides a kind of curved variable cross-section fish-bellied type steel box-girders to make positioning measurement construction method, including following step
Rapid: S1. in fabricating yard is laid with the rectangle positioning datum panel for being wider than each 1 meter of bridge floor both sides, and plate thickness >=10mm is layed in production
On the mattess of place, surrounding is fixed, as measurement and positioning datum level and steel bridge bracket fixed datum, referring to unified benchmark
Face；
S2. three-dimensional modeling is carried out using mapping software, steel bridge two sides control line is then gone out using total station setting-out, it is then sharp
Two sliding rails are laid with control line, are fixed after two tracks are accurately positioned using rail pressing plate, rail pressing plate end
Portion is welded and fixed with steel plate；
S3. start installation sliding and fixed device, indium steel ruler is put at the top of sliding and fixed device in reserved opening, is put into
After adjust verticality, be fixed after the completion of verticality adjustment by fixing bolt, then slide card be installed, finally installation swashs
Laser range finder is put into slot by optar, there is the fixation position of setting in slot, place after then using fixing bolt into
Row is fixed, and entire sliding and fixed device are mounted in sliding rail, completes whole device installation；
S4. according to the design drawing of steel box-girder, to each good horizontal measurement graticule of segment end matching position mark and vertically
Graticule is measured, starts to measure after confirmation is errorless；
S5. it slides running fix measuring device on sliding rail to be fixed to specified steel box girder section fragment position, then
Laser range finder level is adjusted by slide card and moves up and down line, is adjusted to specified level measurement graticule position and is then fixed,
Start to measure, rangefinder forms a plurality of spatial data grid by the ranging data to transverse and longitudinal section, passes through computer solid
Image hotpoint section intersection point relative coordinate date, entire section vertically measure the DATA REASONING and horizontal measurement graticule data of graticule
Measurement method is essentially identical, is then compared according to both ends measurement data, as rectification and assembled beasurement base.
S6. positioning absolute altitude and lateral shaft are carried out by running fix measuring device when every segment steel box-girder falsework is installed
The determination of line position, it is ensured that segment overlaps effective length.
S7. when the curved variable cross-section bridge of bed rearrangement has all docked, a whole bridge horizontal measurement is arranged before starting welding in preparation
Graticule constantly acquire by running fix measuring device the horizontal and vertical coordinate of each segment docking point after welding in welding process
Parameter is compared with the horizontal and vertical coordinate of initial each segment docking point, the arch camber that analysis steel bridge welding generates, stage by stage
Carry out analysis and regulation according to measurement data, by the data comparison of measurement, deviation transfinite position structure is carried out by pushing tow it is outer
Shape is adjusted, until reaching drawing limits poor area requirement, guarantees the whole three-dimensional line style of steel bridge, it is ensured that installation is smooth.
Compared with prior art, the beneficial effects of the present invention are:
Running fix measuring device of the invention solves curved Variable Section Steel box beam strength plate, top plate and bottom plate segment point is spelled
Connection technology problem eliminates misalignment problem, solves each section box girder level by the measurement method, transverse direction and longitudinal direction positions, number
According to intuitively can directly carry out analysis rectification according to field data, three-dimensional alignment is carried out without importing computer, is being exactly to pass through the party
Method realizes whole bridge line style bilateral control, reduces measuring error, and butt welding picks up arch data and effectively acquired, and welding side is corrected in analysis
Formula reaches design arch camber requirement, guarantees that later period installation is smooth and docks line type control.With traditional template construct construction method phase
Than, the more practical feature of the invention, and improve the impression quality of construction.
Detailed description of the invention
Fig. 1 is that positioning of steel box girder of the present invention measures longitudinal schematic diagram；
Fig. 2 is that positioning of steel box girder of the present invention measures lateral schematic diagram；
Fig. 3 is running fix measuring device side schematic view of the present invention；
Fig. 4 is running fix measuring device front schematic view of the present invention
Fig. 5 is partial schematic diagram at A in Fig. 1 of the present invention；
Fig. 6 is partial schematic diagram at B in Fig. 1 of the present invention；
Fig. 7 is partial schematic diagram at C in Fig. 3 of the present invention；
Fig. 8 is partial schematic diagram at D in Fig. 3 of the present invention；
Fig. 9 is partial schematic diagram at E in Fig. 4 of the present invention；
Figure 10 is partial schematic diagram at F in Fig. 4 of the present invention；
Wherein: 1- positioning datum panel, 2- sliding rail, 3- running fix measuring device, 31- indium steel ruler, 32- sliding and
Fixed device, 321- firm banking, 3211- groove, 322- indium steel ruler fixed frame, 323- level braking bolt, 324- vertically make
Dynamic bolt, the first fixing bolt of 325-, 33- laser range finder, 34- slide card, 341-U shape slot, the second fixing bolt of 342-,
343- lateral braking bolt, 4- rail pressing plate, the segment 5- steel box-girder, 6- horizontal measurement graticule, 7- vertically measure graticule, 8- steel case
Beam temporary support.
Specific embodiment
The present invention provides a kind of curved variable cross-section fish-bellied type steel box-girder production positioning measurement constructing device, the embodiment of the present invention
Provided technical solution is in order to solve the above technical problems, in order to better understand the above technical scheme, below in conjunction with explanation.
As illustrated in fig. 1 and 2, a kind of curved variable cross-section fish-bellied type steel box-girder makes positioning measurement constructing device, including measurement
Positioning datum panel 1, it is fixed on 1 two sides of positioning datum panel to be laid with two sliding rails 2 disposed in parallel, described in two
Running fix measuring device 3 is installed respectively on sliding rail 2,
As shown in Figure 3 and Figure 4, running fix measuring device 3 includes indium steel ruler 31 and is fixed on the indium steel ruler 31
Sliding on the sliding rail 2 and fixed device 32 are equipped with laser range finder 33, the Laser Measuring on the indium steel ruler 31
Distance meter 33 is mounted on the indium steel ruler 31 and can be slided on the indium steel ruler 31 by slide card 34.
As shown in figs, it slides and fixed device 32 includes firm banking 321, indium steel ruler fixed frame 322, it is described
Indium steel ruler fixed frame 322 is fixed on 321 top of firm banking, and 321 bottom of firm banking is equipped with horizontal with the sliding rail 2
The identical groove 3211 in section, the side plate positioned at 2 two sides of sliding rail are equipped with level braking bolt 323, firm banking
The two sides that 321 top surfaces are located at the indium steel ruler fixed frame 322 are equipped with vertical braking bolt 324, the level braking bolt 323
It is carried out on slide rail 2 with vertical direction to sliding and fixing device 32 from horizontal direction respectively with vertical braking bolt 324
Horizontally and vertically position.
322 center of indium steel ruler fixed frame is equipped with and the consistent cavity of 31 outer dimension of indium steel ruler, the indium steel
Ruler 31 is mounted in the cavity, and through-hole, the first fixing bolt of two sides 325 are provided on the side wall of the indium steel ruler fixed frame 322
Indium steel ruler 31 is locked in 322 center of indium steel ruler fixed frame across through-hole and the indium steel ruler 31 is made to keep hanging down
Directly.
As shown in figures 7 and 9, described 34 one end of slide card is sleeved on the indium steel ruler 31 and can slide up and down and pass through
Position of the fixed slide card 34 of lateral braking bolt 343 on the indium steel ruler 31, the slide card 34 it is another
End is equipped with U-lag 341, and laser range finder 33 is fixed in the U-lag 341 by the second fixing bolt 342.
As a preferred option, 343 end of the lateral braking bolt setting rubber mat prevents damage indium steel ruler 31.
As shown in Figure 5 and Figure 6, multiple rail pressing plates 4 are fixedly installed in 2 two sides of sliding rail, the rail pressing plate 4
End and measurement and positioning benchmark panel 1 are fixed, and sliding rail 2 is fixed on the measurement and positioning benchmark by 4 other end of rail pressing plate
On panel 1.
The positioning datum panel 1 is wider than each 1 meter of bridge floor both sides, plate thickness >=10mm.
The invention further relates to a kind of curved variable cross-section fish-bellied type steel box-girders to make positioning measurement construction method, including following step
It is rapid:
S1. it in fabricating yard is laid with the rectangle positioning datum panel 1 for being wider than each 1 meter of bridge floor both sides, plate thickness >=10mm is laid with
In on production place mattess, surrounding is fixed, as measurement and positioning datum level and steel bridge bracket fixed datum, referring to system
One datum level；
In above-mentioned steps S1, rectangle positioning datum panel 1 can be made of steel plate, and steel plate is layed in production
On the mattess of place, surrounding is fixed using expansion bolt.
S2. three-dimensional modeling is carried out using mapping software, steel bridge two sides control line is then gone out using total station setting-out, it is then sharp
Two sliding rails 2 are laid with control line, are fixed after two tracks are accurately positioned using rail pressing plate 4, rail pressing plate 4
End is welded and fixed with steel plate；
In above-mentioned steps, carrying out three-dimensional modeling can be using mapping softwares such as CAD, BIM.
S3. start installation sliding and fixed device 32, indium steel ruler 31 is put into sliding and fixed 32 top reserved opening of device
It is interior, verticality is adjusted after being put into, and is fixed after the completion of verticality adjustment by the first fixing bolt 325, then installation sliding
Fixture 34 finally installs laser range finder 33, laser range finder 33 is put into U-lag 341, there is the fixed bit of setting in slot
It sets, is then fixed using the second fixing bolt 342 after placing, entire sliding and fixed device 32 are mounted on sliding rail
In road 2, whole device installation is completed；
S4. according to the design drawing of steel box-girder, to the good horizontal measurement graticule of each segment end matching position mark 6 and vertically
Graticule 7 is measured, starts to measure after confirmation is errorless；
Horizontal measurement graticule 6 and vertical measurement graticule 7 are each segment docking in drawing deepening process in above-mentioned steps S4
Reference line, the data of measurement are that the reference line that is measured by laser range finder 33 is horizontal and vertical coordinate parameters.
S5. it slides running fix measuring device 3 on sliding rail 2 to be fixed to specified steel box girder section fragment position, so
33 level of laser range finder is adjusted by slide card 34 afterwards and moves up and down line, is adjusted to specified level measurement graticule position then
It is fixed, start to measure, laser range finder 33 forms a plurality of spatial data grid by the ranging data to transverse and longitudinal section, leads to
It crosses computer solid figure and realizes section intersection point relative coordinate date, entire section vertically measures the DATA REASONING of graticule and level is surveyed
It is essentially identical to measure graticule data measuring method, is then compared according to both ends measurement data, as rectification and assembled measurement according to
According to.,
S6. every 5 bottom of segment steel box-girder steel box-girder temporary support 8 install when by running fix measuring device 3 into
The determination of row positioning absolute altitude and transverse axis position, it is ensured that segment overlaps effective length.
S7. when the curved variable cross-section bridge of bed rearrangement has all docked, a whole bridge horizontal measurement is arranged before starting welding in preparation
Graticule by the level of each segment docking point after running fix measuring device 3 constantly acquisition welding and vertical is sat in welding process
Parameter is marked, is compared with the horizontal and vertical coordinate of initial each segment docking point, the arch camber that analysis steel bridge welding generates, sublevel
Section according to measurement data carry out analysis and regulation, by the data comparison of measurement, deviation transfinite position by pushing tow to structure carry out
Shape is adjusted, until reaching drawing limits poor area requirement, guarantees the whole three-dimensional line style of steel bridge, it is ensured that installation is smooth.
In above-mentioned steps S7, after the completion of the docking of all segment steel box-girders 5, a horizontal measurement line conduct is redefined
Whole bridge horizontal measurement line, the horizontal measurement graticule 6 in step S4 are each segment and the horizontal graticule that refines in order to facilitate the installation of.
The present invention has a kind of curved variable cross-section of the advantages that easy to operate, speed of application is fast, at low cost, and measurement accuracy is high
Fish-bellied type steel box-girder makes positioning measuring device and construction method.The present invention has easy to install and use, easy to operate, measurement speed
The advantages that degree is fast, measurement accuracy is high and reliable solves curved variable cross-section fish-bellied type steel box-girder production positioning measurement construction technology
Problem.
Specific embodiments of the present invention are described in detail above, but it is intended only as one such embodiment,
The present invention is not restricted to particular embodiments described above.To those skilled in the art, any couple of present invention carries out
Equivalent modifications and substitution also all among scope of the invention.Therefore, made without departing from the spirit and scope of the invention
Equal transformation and modification, all should be contained within the scope of the invention.
Claims (8)
1. a kind of curved variable cross-section fish-bellied type steel box-girder makes positioning measurement constructing device, it is characterised in that: including measurement and positioning
Benchmark panel, it is fixed on positioning datum panel two sides to be laid with two sliding rails disposed in parallel, two sliding rails
Running fix measuring device is installed respectively, the running fix measuring device includes indium steel ruler and consolidates the indium steel ruler on road
The sliding that is scheduled on the sliding rail and fixed device are equipped with laser range finder, the laser ranging on the indium steel ruler
Instrument is mounted on the indium steel ruler by slide card and can be slided on the indium steel ruler.
2. a kind of curved variable cross-section fish-bellied type steel box-girder according to claim 1 makes positioning measurement constructing device, special
Sign is: the sliding and fixed device include firm banking, indium steel ruler fixed frame, and the indium steel ruler fixed frame is fixed on described
Above firm banking, firm banking bottom is equipped with the groove coincideing with the sliding rail cross section, is located at the sliding rail
The side plate of two sides is equipped with level braking bolt, and the two sides that firm banking top surface is located at the indium steel ruler fixed frame are equipped with vertical
Braking bolt, the level braking bolt and vertical braking bolt are respectively from horizontal direction with vertical direction to sliding and fixed dress
It sets and is horizontally and vertically positioned on slide rail.
3. a kind of curved variable cross-section fish-bellied type steel box-girder according to claim 2 makes positioning measurement constructing device, special
Sign is: the indium steel ruler fixed frame center is equipped with and the consistent cavity of indium steel ruler outer dimension, the indium steel ruler
It is mounted in the cavity, through-hole is provided on the side wall of the indium steel ruler fixed frame, the first fixing bolt of two sides will across through-hole
Indium steel ruler is locked in the indium steel ruler fixed frame center and the indium steel ruler is made to keep vertical.
4. a kind of curved variable cross-section fish-bellied type steel box-girder according to claim 1 makes positioning measurement constructing device, special
Sign is: described slide card one end, which is sleeved on the indium steel ruler, can slide up and down and by described in the fixation of lateral braking bolt
Position of the slide card on the indium steel ruler, the other end of the slide card are equipped with U-lag, and laser range finder passes through second
Fixing bolt is fixed in the U-lag.
5. a kind of curved variable cross-section fish-bellied type steel box-girder according to claim 4 makes positioning measurement constructing device, special
Sign is: the lateral braking bolt end setting rubber mat prevents damage indium steel ruler.
6. a kind of curved variable cross-section fish-bellied type steel box-girder according to claim 1 makes positioning measurement constructing device, special
Sign is: multiple rail pressing plates, the end of the rail pressing plate and measurement and positioning benchmark is fixedly installed in the sliding rail two sides
Panel is fixed, and sliding rail is fixed on the measurement and positioning benchmark panel by the rail pressing plate other end.
7. a kind of curved variable cross-section fish-bellied type steel box-girder according to claim 1 makes positioning measurement constructing device, special
Sign is: the positioning datum panel is wider than each 1 meter of bridge floor both sides, plate thickness >=10mm.
8. a kind of curved variable cross-section fish-bellied type steel box-girder makes positioning measurement construction method, which comprises the following steps:
S1. it in fabricating yard is laid with the rectangle positioning datum panel for being wider than each 1 meter of bridge floor both sides, plate thickness >=10mm is layed in system
Make on the mattess of place, surrounding is fixed, as measurement and positioning datum level and steel bridge bracket fixed datum, referring to unified base
Quasi- face；
S2. three-dimensional modeling is carried out using mapping software, steel bridge two sides control line is then gone out using total station setting-out, then utilize control
Line processed is laid with two sliding rails, will two tracks be accurately positioned after be fixed using rail pressing plate, rail pressing plate end with
Steel plate is welded and fixed；
S3. start installation sliding and fixed device, indium steel ruler is put at the top of sliding and fixed device in reserved opening, is adjusted after being put into
Whole verticality is fixed by the first fixing bolt after the completion of verticality adjustment, then installs slide card, and finally installation swashs
Laser range finder is put into U-lag by optar, there is the fixation position of setting in slot, then solid using second after placing
Determine bolt to be fixed, entire sliding and fixed device are mounted in sliding rail, completes whole device installation；
S4. according to the design drawing of steel box-girder, to each good horizontal measurement graticule of segment end matching position mark and vertical measurement
Graticule starts to measure after confirmation is errorless；
S5. running fix measuring device is slided on sliding rail to be fixed to specified steel box girder section fragment position, then pass through
Slide card adjustment laser range finder level moves up and down line, is adjusted to specified level measurement graticule position and then fixes, starts
It measures, rangefinder forms a plurality of spatial data grid by the ranging data to transverse and longitudinal section, passes through computer solid figure
Realize section intersection point relative coordinate date, entire section vertically measures the DATA REASONING of graticule -2 and horizontal measurement graticule data are surveyed
Amount method is essentially identical, is then compared according to both ends measurement data, as rectification and assembled beasurement base；
S6. positioning absolute altitude and transverse axis position are carried out by running fix measuring device when every segment steel box-girder falsework is installed
The determination set, it is ensured that segment overlaps effective length；
S7. when the curved variable cross-section bridge of bed rearrangement has all docked, a whole bridge horizontal measurement graticule is arranged before starting welding in preparation,
The horizontal and vertical coordinate parameters of each segment docking point after welding are constantly acquired in welding process by running fix measuring device,
It is compared with the horizontal and vertical coordinate of initial each segment docking point, the arch camber that analysis steel bridge welding generates, stage by stage basis
Measurement data carry out analysis and regulation, by the data comparison of measurement, deviation transfinite position by pushing tow to structure carry out shape into
Row adjustment guarantees the whole three-dimensional line style of steel bridge, it is ensured that installation is smooth until reaching drawing limits poor area requirement.
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| CN201910147684.0A CN109778704B (en) | 2019-02-27 | 2019-02-27 | Curved variable cross-section fish-bellied steel box girder manufacturing, positioning and measuring construction device and method |
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| CN201910147684.0A CN109778704B (en) | 2019-02-27 | 2019-02-27 | Curved variable cross-section fish-bellied steel box girder manufacturing, positioning and measuring construction device and method |
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| CN114211212A (en) * | 2022-01-19 | 2022-03-22 | 杭州萧山交通建设管理有限公司 | Manufacturing and construction method of large-section steel box girder |
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| CN114211212A (en) * | 2022-01-19 | 2022-03-22 | 杭州萧山交通建设管理有限公司 | Manufacturing and construction method of large-section steel box girder |
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