CN110440770A - A kind of instrument support and its measurement method suitable for steel construction measurement correction - Google Patents
A kind of instrument support and its measurement method suitable for steel construction measurement correction Download PDFInfo
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- CN110440770A CN110440770A CN201810421679.XA CN201810421679A CN110440770A CN 110440770 A CN110440770 A CN 110440770A CN 201810421679 A CN201810421679 A CN 201810421679A CN 110440770 A CN110440770 A CN 110440770A
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- 229910000831 Steel Inorganic materials 0.000 title claims abstract description 150
- 239000010959 steel Substances 0.000 title claims abstract description 150
- 238000010276 construction Methods 0.000 title claims abstract description 48
- 238000012937 correction Methods 0.000 title claims abstract description 45
- 238000005259 measurement Methods 0.000 title claims abstract description 43
- 238000000691 measurement method Methods 0.000 title claims description 7
- 238000003466 welding Methods 0.000 claims abstract description 14
- 238000004064 recycling Methods 0.000 claims abstract description 9
- 238000000034 method Methods 0.000 claims description 17
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 5
- 239000002699 waste material Substances 0.000 claims description 5
- 239000007787 solid Substances 0.000 claims 1
- 239000000463 material Substances 0.000 abstract description 5
- 231100000331 toxic Toxicity 0.000 abstract description 3
- 230000002588 toxic effect Effects 0.000 abstract description 3
- 230000007306 turnover Effects 0.000 abstract description 3
- 238000009434 installation Methods 0.000 description 7
- 230000000694 effects Effects 0.000 description 5
- 239000011150 reinforced concrete Substances 0.000 description 4
- 238000013461 design Methods 0.000 description 2
- 238000010586 diagram Methods 0.000 description 2
- 230000010339 dilation Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000001360 synchronised effect Effects 0.000 description 2
- 230000002747 voluntary effect Effects 0.000 description 2
- 238000009435 building construction Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000000750 progressive effect Effects 0.000 description 1
- 235000015096 spirit Nutrition 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C15/00—Surveying instruments or accessories not provided for in groups G01C1/00 - G01C13/00
- G01C15/10—Plumb lines
- G01C15/105—Optical plumbing
Abstract
The present invention relates to a kind of instrument supports suitable for steel construction measurement correction, including steel plate fixing bracket and instrument fixing rack；Steel plate fixing bracket includes fixing piece and connector；Fixing piece and connector integrally connected；Fixing piece is fixed with girder steel；Connector is detachably connected with instrument fixing rack；Instrument fixing rack includes: connecting plate, instrument mounting platform and reception target；Connecting plate and instrument mounting platform and reception target are fixed, and connecting plate is detachably connected with connector；Instrument mounting platform is oppositely arranged by support plate with target is received.The present invention not only constructs reliable and stable instrument mounting platform in the space in high-altitude no operatton face by above-mentioned setting, but also steel plate fixing bracket and instrument fixing rack are detachably connected, and turnover is flexible, easy to assembly, high recycling rate；Site welding is not needed simultaneously, avoids the generation of toxic and harmful gas and light pollution, it is environment friendly and pollution-free, the investment of welding equipment is reduced, artificial and material cost is thereby reduced.
Description
Technical field
The present invention relates to be full steel structure, steel reinforced concrete frame structure, steel reinforced concrete Core Walls Structure for structure type
Structure etc. is related to the field of engineering technology of girder steel, steel column installation correction, more particularly to a kind of to be suitable for steel construction
Measure the instrument support and its measurement method of correction.
Background technique
With the fast development of country, the quickening of urban construction process, super high-rise building is more and more, and most of superelevation
Layer building is all made of Construction of Steel Structure technique, steel column and girder steel, therefore its measurement is corrected particularly important；Super high-rise building
Construction generally uses the structure type of Core Walls Structure and outline border cylinder, and core tube construction is prior to outline border tube construction；Vertical steel column installation is wanted
It,, can not be in a conventional manner since high-altitude does not have work surface after steel column and steel girder erection earlier than the installation of horizontal floor girder steel
Total station, which is set up, using tripod carries out the positioning of steel column Coordinate setting-out.
Have in the prior art using one instrument mounting platform of site welding building on steel column；But above scheme is scarce
Falling into is first, need site welding, and site welding will cause pollution；The second, site welding difficulty is bigger, needs repeatedly
Measurement welding benchmark, it is time-consuming；Although third, due to instrument platform and the welded increase stability of steel column, adjust each time
It is inconvenient to turn instrument platform disassembly.
Therefore how to solve the problems, such as that above-mentioned technical problem is those skilled in the art's urgent need to resolve.
Summary of the invention
In view of this, being solved at least the present invention provides a kind of instrument support suitable for steel construction measurement correction
State technical problem.
To achieve the goals above, the present invention adopts the following technical scheme:
A kind of instrument support suitable for steel construction measurement correction, comprising: steel plate fixing bracket and instrument fixing rack；
Steel plate fixing bracket includes fixing piece and connector；Fixing piece and connector integrally connected；Fixing piece is fixed with girder steel；
Instrument fixing rack includes: connecting plate, instrument mounting platform and reception target；Connecting plate and instrument mounting platform and reception
Target is fixed, and connecting plate is detachably connected with connector；Instrument mounting platform is connected by support plate and instrument mounting platform
The reception target being oppositely arranged.
It can be seen via above technical scheme that compared with prior art, the present disclosure provides one kind to be suitable for steel knot
The instrument support of structure measurement correction, since the connecting plate on the connector and instrument fixing rack on steel plate fixing bracket detachably connects
It connects, steel plate fixing bracket is fixed on girder steel by fixing piece, is not only constructed in the space in high-altitude no operatton face reliable and stable
Instrument mounting platform, and steel plate fixing bracket and instrument fixing rack are detachably connected, and turnover is flexibly, easy to assembly, recycling
Rate is high；Site welding is not needed simultaneously, avoids the generation of toxic and harmful gas and light pollution, it is environment friendly and pollution-free, reduce weldering
The investment for connecing equipment thereby reduces artificial and material cost.
Preferably, steel plate fixing bracket and instrument fixing rack are that the waste and old steel plate of recycling is formed by connecting；Using this scheme
Effect: improving the utilization rate of waste and old plate, further reduced the cost of equipment Alignment investment.
Preferably, fixing piece includes bottom plate and grab；Bottom plate one end and grab weld；Grab is fixed with girder steel；Bottom plate is another
One end connects connector.Wherein grab is similar to reverse U shape, and one end and bottom plate weld, and the other end hooks on girder steel and has
Certain depth ensure that fixed fastness.
Preferably, there is through-hole, bolt is fixed bottom plate and girder steel by through-hole on grab；Further by bottom plate and girder steel
It is fixed, provide the accurately premise of measurement and calibration.
A kind of instrument support suitable for steel construction measurement correction provided by the invention, further includes auxiliary fixing member, auxiliary
Fixing piece is connect with fixing piece in the angle α；Wherein auxiliary fixing member and fixing piece can be welded directly or movable company
It connects, under the premise of guaranteeing that bracket stable is fixed on girder steel, α is 40 ° -60 °, preferably 45 °.
Preferably, auxiliary fixing member includes auxiliary backplane and auxiliary grab；Auxiliary backplane one end and auxiliary grab welding；Separately
It is connected between one end and bottom plate in the angle α；Preferably, assist that there is hole on grab, bolt through hole consolidates auxiliary backplane and girder steel
It is fixed, it is further provided the accurately premise of measurement and calibration.
Preferably, there is mounting groove on instrument mounting platform, be used for retainer instrument pedestal；Wherein mounting groove is strip groove,
Not only facilitate fixed various instrument bases, while instrument base opposite can receive target and be adjusted in a certain range.
Preferably, strip-shaped hole is all had on connector and connecting plate；High-strength bolt passes through two strip-shaped holes for connector
It is fixed with connecting plate；Wherein the length of the strip-shaped hole on connector is 300-350mm, and bar shaped hole length is 250- on connecting plate
280mm；Using the effect of this scheme: the connection distance between steel plate fixing bracket and instrument fixing rack is sufficiently increased in design,
The steel plate that can be stretched by two strip-shaped holes adjusts the position of laser pick-off target, and maximal dilation distance may be implemented up to 725mm
Multiple project recyclings, save material and processing charges, improve social benefit.
The present invention also provides a kind of measurement methods of instrument support suitable for steel construction measurement correction, comprising:
Establish survey station: assembling one is suitable for the instrument support of steel construction measurement correction, is installed instrument by fixing piece
Platform is fixed on the girder steel of fixed position or any position；Laser plummet is set by axis in the lower part measuring basis layer frame of girder steel
Line point, which is thrown, to be surveyed to the reception target of instrument support, and point position mark is carried out；It sets up total station: setting up whole station on instrument mounting platform
Instrument；Total station centering leveling；
It establishes backsight: assembling two or more instruments suitable for steel construction measurement correction again in backsight corresponding position
Above-mentioned bracket is fixed on girder steel by bracket by fixing piece；Setting laser plummet in the lower part measuring basis layer frame of girder steel will
Axis point, which is thrown, to be surveyed to the reception target of instrument support, and point position mark is carried out；It sets up prism base: being set up on instrument mounting platform
Prism base；Prism base centering leveling；
Being established after survey station and backsight using above-mentioned erection total station and prism can be directed to, and method of polar coordinates is utilized to carry out steel column
With the correction of girder steel.
It can be seen via above technical scheme that compared with prior art, the present disclosure provides one kind to be suitable for steel knot
The measurement method of the instrument support of structure measurement correction, component assembling flexibly, solve the problems, such as that the erection of measuring instrument, realization can spirits
It is living to adjust position, be used in turn, measure convenient technical effect.
When the vertical steel column construction of super high steel structure construction Core Walls Structure is synchronous with horizontal floor steel girder erection, can use
Following method is corrected steel column:
S1 establishes survey station
S11 assembles the instrument support for being suitable for steel construction measurement correction, and instrument is installed flat fix by fixing piece
On girder steel；
S12 sets laser plummet in the lower part measuring basis layer frame of girder steel and axis point is thrown to the reception target surveyed to instrument support
On, carry out point position mark；
S13 sets up total station: total station is set up on instrument mounting platform；Total station centering leveling；
S2 establishes backsight
S21 assembles two instrument supports for being suitable for steel construction measurement correction in backsight corresponding position again, passes through fixing piece
Instrument installation is put down and is fixed on girder steel；
S22 sets laser plummet in the lower part measuring basis layer frame of girder steel and axis point is thrown to the reception target surveyed to instrument support
On, carry out point position mark；
S23, it sets up prism base: setting up prism base on instrument mounting platform；Prism base centering leveling；
S3 is established after survey station and backsight using erection total station in step S1 and S2 and prism and be can be directed to, and polar coordinates are utilized
The correction of method progress steel column and girder steel.
When the vertical steel column construction of Core Walls Structure is faster than steel girder erection, total station is set up when correcting steel column on girder steel, due to
Height difference is excessive, and the instrument elevation angle is excessive, can be corrected at this time using following method:
S1 establishes backsight
S11 assembles two or more instrument supports suitable for steel construction measurement correction in backsight corresponding position, leads to
It crosses fixing piece and instrument is installed into flat be fixed on girder steel；
S12 sets laser plummet in the lower part measuring basis layer frame of girder steel and axis point is thrown to the reception target surveyed to instrument support
On, carry out point position mark；
S13, it sets up prism base: setting up prism base on instrument mounting platform；Prism base centering leveling；
S2 establishes survey station
If the above method assembles instrument support and sets up total station, wherein (this position is needed at an arbitrary position for total station erection
Simultaneously can be with two or more rearscope pedestal intervisibilities), survey station is established using Free Station with Total Station electronic Thacheometer function；
S3 establishes backsight using erection prism in step S1 and S2 and total station and establishes i.e. orientable after voluntary intake, benefit
The correction of steel column and girder steel is carried out with method of polar coordinates.
Detailed description of the invention
In order to more clearly explain the embodiment of the invention or the technical proposal in the existing technology, to embodiment or will show below
There is attached drawing needed in technical description to be briefly described, it should be apparent that, the accompanying drawings in the following description is only this
The embodiment of invention for those of ordinary skill in the art without creative efforts, can also basis
The attached drawing of offer obtains other attached drawings.
Fig. 1 attached drawing is a kind of main view of instrument support suitable for steel construction measurement correction provided by the invention；
Fig. 2 attached drawing is a kind of top view of instrument support suitable for steel construction measurement correction provided by the invention；
Fig. 3 attached drawing is a kind of instrument fixing rack of instrument support suitable for steel construction measurement correction provided by the invention
Structural schematic diagram；
Fig. 4 attached drawing is a kind of steel plate fixing bracket of instrument support suitable for steel construction measurement correction provided by the invention
Structural schematic diagram.
Specific embodiment
Following will be combined with the drawings in the embodiments of the present invention, and technical solution in the embodiment of the present invention carries out clear, complete
Site preparation description, it is clear that described embodiments are only a part of the embodiments of the present invention, instead of all the embodiments.It is based on
Embodiment in the present invention, it is obtained by those of ordinary skill in the art without making creative efforts every other
Embodiment shall fall within the protection scope of the present invention.
The embodiment of the invention discloses a kind of instrument supports suitable for steel construction measurement correction, and turnover is flexible, assembling side
Just, high recycling rate.
A kind of instrument support suitable for steel construction measurement correction provided by the invention, referring to attached drawing 1-4, comprising: steel plate
Fixed frame 2 and instrument fixing rack 1；Steel plate fixing bracket 2 includes fixing piece 21 and connector 22；22 one of fixing piece 21 and connector
Connection；Fixing piece 21 is fixed with girder steel；Connector 22 is detachably connected with instrument fixing rack 1；Instrument fixing rack 1 includes: connection
Plate 11, instrument mounting platform 12 and reception target 13；Connecting plate 11 and instrument mounting platform 12 and reception target 13 are fixed, and connect
Plate 11 is detachably connected with connector 22；Instrument mounting platform 12 is oppositely arranged by support plate with target 13 is received.
The present disclosure provides a kind of instrument supports suitable for steel construction measurement correction, due to steel plate fixing bracket 2 and
Instrument fixing rack 1 is detachably connected, and steel plate fixing bracket 2 is fixed on girder steel by fixing piece 21, not only in high-altitude no operatton face
Space construct reliable and stable instrument mounting platform, and steel plate fixing bracket 2 and instrument fixing rack 1 are detachably connected, week
Turn flexibly, easy to assembly, high recycling rate；Site welding is not needed simultaneously, avoids toxic and harmful gas and light pollution
It generates, it is environment friendly and pollution-free, the investment of welding equipment is reduced, artificial and material cost is thereby reduced.
In one embodiment of the invention, steel plate fixing bracket 2 and instrument fixing rack 1 are the waste and old steel plate welding of recycling
It forms；The utilization rate for improving waste and old plate further reduced the cost of equipment Alignment investment.
In one embodiment of the invention, fixing piece 21 includes bottom plate 211 and grab 212；211 one end of bottom plate and grab
212 welding；The other end connects connector 22；Wherein grab is similar to reverse U shape, and one end and bottom plate 211 weld, another end hook
Enter on girder steel and have certain depth, ensure that fixed fastness.
Specifically, having through-hole 2121 on grab 212, bolt is fixed bottom plate 211 with girder steel by through-hole 2121；Into one
Step fixes bottom plate and girder steel, provides the accurately premise of measurement and calibration.
It in another embodiment of the present invention, further include auxiliary fixing member 23, auxiliary fixing member 23 and fixing piece 21 are in α
Angle connection；Wherein auxiliary fixing member 23 and fixing piece 21 can be welded directly or movable connection, steady in guarantee bracket
Surely under the premise of being fixed on girder steel, α is 40 ° -60 °, preferably 45 °.
Advantageous, auxiliary fixing member 23 includes auxiliary backplane 231 and auxiliary grab 232；231 one end of auxiliary backplane and auxiliary
Grab 232 welds；The other end is connected on bottom plate 211.
It is more favorable, assist that there is hole 2321 on grab 232, bolt through hole 2321 is auxiliary by auxiliary backplane 231 and girder steel
Help fixation, it is further provided the accurately premise of measurement and calibration.
In other embodiments of the invention, there is mounting groove 121 on instrument mounting platform 12, is used for retainer instrument base
Seat；Wherein mounting groove 121 is strip groove, not only facilitates fixed various instrument bases, while instrument base opposite can receive target
It is adjusted in a certain range.
In other embodiments of the invention, strip-shaped hole 24 is all had on connector 22 and connecting plate 11；High-strength bolt
It is across two strip-shaped holes 24 that connector 22 and connecting plate 11 is fixed；Wherein the length of the strip-shaped hole on connector is 300-
350mm, bar shaped hole length is 250-280mm on connecting plate；Using the effect of this scheme: sufficiently increasing Interal fixation in design
Connection distance between frame and instrument fixing rack, the steel plate that can be stretched by two strip-shaped holes adjust the position of laser pick-off target,
Maximal dilation distance may be implemented multiple project recyclings, save material and processing charges, improve society up to 725mm
Benefit.
The present invention also provides a kind of measurement methods of instrument support suitable for steel construction measurement correction:
When the vertical steel column construction of super high steel structure construction Core Walls Structure is synchronous with horizontal floor steel girder erection, can use
Following method is corrected steel column:
S1 establishes survey station
S11 assembles the instrument support for being suitable for steel construction measurement correction, and instrument is installed flat fix by fixing piece
On girder steel；
S12 sets laser plummet in the lower part measuring basis layer frame of girder steel and axis point is thrown to the reception target surveyed to instrument support
On, carry out point position mark；
S13 sets up total station: total station is set up on instrument mounting platform；Total station centering leveling；
S2 establishes backsight
S21 assembles two instrument supports for being suitable for steel construction measurement correction in backsight corresponding position again, passes through fixing piece
Instrument installation is put down and is fixed on girder steel；
S22 sets laser plummet in the lower part measuring basis layer frame of girder steel and axis point is thrown to the reception target surveyed to instrument support
On, carry out point position mark；
S23, it sets up prism base: setting up prism base on instrument mounting platform；Prism base centering leveling；
S3 is established after survey station and backsight using erection total station in step S1 and S2 and prism and be can be directed to, and polar coordinates are utilized
The correction of method progress steel column and girder steel.
When the vertical steel column construction of Core Walls Structure is faster than steel girder erection, total station is set up when correcting steel column on girder steel, due to
Height difference is excessive, and the instrument elevation angle is excessive, can be corrected at this time using following method:
S1 establishes backsight
S11 assembles two or more instrument supports suitable for steel construction measurement correction in backsight corresponding position, leads to
It crosses fixing piece and instrument is installed into flat be fixed on girder steel；
S12 sets laser plummet in the lower part measuring basis layer frame of girder steel and axis point is thrown to the reception target surveyed to instrument support
On, carry out point position mark；
S13, it sets up prism base: setting up prism base on instrument mounting platform；Prism base centering leveling；
S2 establishes survey station
If the above method assembles instrument support and sets up total station, wherein (this position is needed at an arbitrary position for total station erection
Simultaneously can be with two or more rearscope pedestal intervisibilities), survey station is established using Free Station with Total Station electronic Thacheometer function；
S3 establishes backsight using erection prism in step S1 and S2 and total station and establishes i.e. orientable after voluntary intake, benefit
The correction of steel column and girder steel is carried out with method of polar coordinates.
Application of the invention: Circulated utilization instrument support provided by the invention is successfully applied to Beijing's CBD core
The area plot Z14 trade financing project, the project are made of two 45 floor Super High high buildings, height 238m, and south, north high building are on the ground
Steel reinforced concrete frame+Reinforced Concrete Core Walls Structure+semi-girder truss+annulus truss structure.In view of two high buildings are used as one
A flowing water segment sync construction, every high building do 3 such brackets, can meet live steel construction surveying setting-out requirement.
The effect that the present invention obtains: such Circulated utilization instrument support installation and disassembly are easy, compared to conventional three feet
Frame erection stability of instrument is good, and measurement accuracy is easily guaranteed that, and can be reused, it can be ensured that Steel Structure Installation precision simultaneously can
Accelerate live steel column and measure correction progress, owner's favorable comment consistent with supervisor is obtained in this project.
Each embodiment in this specification is described in a progressive manner, the highlights of each of the examples are with other
The difference of embodiment, the same or similar parts in each embodiment may refer to each other.For device disclosed in embodiment
For, since it is corresponded to the methods disclosed in the examples, so being described relatively simple, related place is said referring to method part
It is bright.
The foregoing description of the disclosed embodiments enables those skilled in the art to implement or use the present invention.
Various modifications to these embodiments will be readily apparent to those skilled in the art, as defined herein
General Principle can be realized in other embodiments without departing from the spirit or scope of the present invention.Therefore, of the invention
It is not intended to be limited to the embodiments shown herein, and is to fit to and the principles and novel features disclosed herein phase one
The widest scope of cause.
Claims (10)
1. a kind of instrument support suitable for steel construction measurement correction characterized by comprising steel plate fixing bracket (2) and instrument
Fixed frame (1)；
The steel plate fixing bracket (2) includes fixing piece (21) and connector (22)；The fixing piece (21) and the connector
(22) integrally connected；The fixing piece (21) is fixed with girder steel；
The instrument fixing rack (1) includes: connecting plate (11), instrument mounting platform (12) and receives target (13)；The connecting plate
(11) fixed with the instrument mounting platform (12) and the reception target (13), and the connecting plate (11) and the connector
(22) it is detachably connected；The instrument mounting platform (12) connects set opposite with the instrument mounting platform (12) by support plate
The reception target (13) set.
2. a kind of instrument support suitable for steel construction measurement correction according to claim 1, which is characterized in that the steel
Plate fixed frame (2) and the instrument fixing rack (1) are that the waste and old steel plate of recycling is formed by connecting.
3. a kind of instrument support suitable for steel construction measurement correction according to claim 1, which is characterized in that described solid
Determining part (21) includes bottom plate (211) and grab (212)；Described bottom plate (211) one end and the grab (212) are welded, the card
Hook (212) is fixed with girder steel；Connector (22) described in bottom plate (211) other end integrally connected.
4. a kind of instrument support suitable for steel construction measurement correction according to claim 3, which is characterized in that the card
There are through-hole (2121) on hook (212), bolt is fixed bottom plate (211) with girder steel by the through-hole (2121).
5. a kind of instrument support suitable for steel construction measurement correction according to claim 3, which is characterized in that further include
Auxiliary fixing member (23), the auxiliary fixing member (23) connect with the fixing piece (21) in the angle α.
6. a kind of instrument support suitable for steel construction measurement correction according to claim 3, which is characterized in that described auxiliary
Helping fixing piece (23) includes auxiliary backplane (231) and auxiliary grab (232)；Described auxiliary backplane (231) one end and the auxiliary
Grab (232) welding；It is connect between the other end and the bottom plate (211) in the angle α.
7. a kind of instrument support suitable for steel construction measurement correction according to claim 6, which is characterized in that described auxiliary
Helping on grab (232) has hole (2321), and bolt is fixed auxiliary backplane (231) with girder steel by the hole (2321).
8. a kind of instrument support suitable for steel construction measurement correction according to claim 1-7, feature exist
In with mounting groove (121) on the instrument mounting platform (12), for retainer instrument pedestal.
9. a kind of instrument support suitable for steel construction measurement correction according to claim 1-7, feature exist
In all having strip-shaped hole (24) on the connector (22) and the connecting plate (11)；High-strength bolt passes through two items
Shape hole (24) is fixed by the connector (22) and the connecting plate (11).
10. a kind of measurement method of the instrument support suitable for steel construction measurement correction characterized by comprising
Establish survey station: assembling one measures the instrument supports corrected suitable for steel construction as claim 1-9 is described in any item,
Instrument mounting platform is fixed on the girder steel of fixed position or any position by fixing piece；In the lower part measuring basis of girder steel
Layer frame sets laser plummet and axis point is thrown survey to the reception target of the instrument support, carries out point position mark；Set up total station:
Total station is set up on instrument mounting platform；Total station centering leveling；
It establishes backsight: assembling two or more in backsight corresponding position and be suitable for as claim 1-9 is described in any item
Above-mentioned bracket, is fixed on girder steel by the instrument support of steel construction measurement correction by fixing piece；Base is measured in the lower part of girder steel
Quasi- layer frame sets laser plummet and axis point is thrown survey to the reception target of the instrument support, carries out point position mark；Set up prism
Pedestal: prism base is set up on instrument mounting platform；Prism base centering leveling；
Being established after survey station and backsight using above-mentioned erection total station and prism can be directed to, and method of polar coordinates is utilized to carry out steel column and steel
The correction of beam.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810421679.XA CN110440770A (en) | 2018-05-04 | 2018-05-04 | A kind of instrument support and its measurement method suitable for steel construction measurement correction |
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| CN201810421679.XA CN110440770A (en) | 2018-05-04 | 2018-05-04 | A kind of instrument support and its measurement method suitable for steel construction measurement correction |
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| CN204064326U (en) * | 2014-08-12 | 2014-12-31 | 中国建筑第七工程局有限公司 | Portable rotation instrument trays device |
| CN205637632U (en) * | 2016-04-21 | 2016-10-12 | 山西四建集团有限公司 | Special instrument holder is rectified in installation of shaped steel post |
| CN206019694U (en) * | 2016-07-29 | 2017-03-15 | 中建钢构有限公司 | A kind of switching device |
| CN206638251U (en) * | 2017-03-20 | 2017-11-14 | 中铁大桥局集团有限公司 | A kind of novel column measuring instrument leg means |
| CN208333482U (en) * | 2018-05-04 | 2019-01-04 | 中建三局集团有限公司 | A kind of instrument support suitable for steel construction measurement correction |
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