CN108663021A - Construction wall testing apparatus for verticality and the detection method for using the device - Google Patents
Construction wall testing apparatus for verticality and the detection method for using the device Download PDFInfo
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- CN108663021A CN108663021A CN201810961547.6A CN201810961547A CN108663021A CN 108663021 A CN108663021 A CN 108663021A CN 201810961547 A CN201810961547 A CN 201810961547A CN 108663021 A CN108663021 A CN 108663021A
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- testboard
- range finder
- laser range
- wall
- laser
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
- G01C9/00—Measuring inclination, e.g. by clinometers, by levels
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- Engineering & Computer Science (AREA)
- General Physics & Mathematics (AREA)
- Radar, Positioning & Navigation (AREA)
- Remote Sensing (AREA)
- Conveying And Assembling Of Building Elements In Situ (AREA)
- Length Measuring Devices By Optical Means (AREA)
Abstract
The invention discloses the detection methods of a kind of construction wall testing apparatus for verticality and the use device, including laser range finder, further include movable stand, higher than movable stand bottom and be rotationally connected with the testboard of movable stand, the laser range finder is rotationally connected with testboard, the testboard upper surface is vertically fixedly connected with mounting post, the mounting post slides be connected with sliding block along its length, the laser range finder center rotating is connected to sliding block, and the laser range finder bottom contacts at testboard upper surface and its launch point is suspended from outside testboard.The present invention provides can facilitate a kind of construction wall testing apparatus for verticality being detected to the verticality of wall and using the detection method of the device.
Description
Technical field
The present invention relates to building analyte detection field, more particularly to a kind of construction wall measuring for verticality method.
Background technology
When detecting Antiseismic building intensity, staff can carry out building the detection of verticality.
At present frequently with a kind of easy detection method, with reference to shown in Fig. 4, the building of wall 16 is on ground, staff
In detection process, laser range finder 1 is placed vertically on the ground of 16 side of wall, emitted upwards using laser range finder 1
Beam of laser, synchronous, it is horizontally arranged one piece of transparent glass plate 18 in the upper surface of wall 16 by an other staff,
Laser passes through glass plate 18 to form a laser point in glass pane surface, and the tape measure laser point is utilized by the staff of top
The distance between 16 upper end of wall is recorded as L ', and measures 16 bottom of wall and laser range finder 1 by the staff of lower section
The distance between central point is recorded as L, and records vertical between glass plate 18 and 1 place ground of placement laser range finder
Height be a, be defined as at this time wall 16 angle of inclination be θ, then by tan θ=（L-L’）/ a, and then can then calculate wall 16
Angle of inclination.
But more building can all be protruding with platform in the upper end of wall at present, and due to the blocking of platform, then without
Method finds laser point as in above-mentioned detection method using transparent glass plate, so finally being difficult to preferably be detected
As a result.
Invention content
The object of the present invention is to provide a kind of construction wall testing apparatus for verticality, the convenient wall that platform is carried to upper end
Carry out the measuring for verticality of wall.
The present invention above-mentioned technical purpose technical scheme is that：A kind of construction wall verticality inspection
Device is surveyed, including laser range finder further includes movable stand, higher than movable stand bottom and is rotationally connected with the testboard of movable stand,
The laser range finder is rotationally connected with testboard.
By using above-mentioned technical proposal, movable stand is placed into the ground of the required wall side measured, keeps laser
Rangefinder is in vertical, and emits beam of laser, and record the distance between platform bottom surface and testboard upper surface are c ', are then surveyed
It is L to measure the vertical range between wall bottom end and laser range finder center line, rotates testboard, makes emitted by laser range finder
Laser point coincides with the intersecting lens between wall upper end and platform, keeps testboard to stablize motionless, 180 degree rotates laser ranging
Instrument, make laser range finder ground formed a laser point, measure the laser point with Jing Guo testboard center of rotation vertical line it
Between vertical range be b, while record the vertical range between testboard upper surface and ground be c, at this time utilize similar triangle
Shape, calculate the distance between first laser point and wall upper end be L '=c ' b/c, and then further according to tan θ=（L-L’）/ a,
Vertical ranges of a between platform bottom surface and ground, finally obtains the angle of inclination of wall.
The present invention is further arranged to：The movable stand is fixed in horizontal connecting shaft, and the testboard is arranged and oneself
By being rotationally connected with connecting shaft, the connecting shaft is located at testboard both sides and is threaded with gripping sleeve.
By using above-mentioned technical proposal, testboard is made to be rotationally connected with connecting shaft, it is whole convenient for being rotated in measurement process
A testboard, while after the laser point of laser range finder is overlapped with the intersecting lens of platform and wall upper end, rotating two clampings
Testboard is fixed set, to facilitate subsequent operation.
The present invention is further arranged to：The testboard upper surface is vertically fixedly connected with mounting post, the mounting post edge
The sliding of its length direction is connected with sliding block, and the laser range finder center rotating is connected to sliding block, the laser range finder bottom
It contacts at testboard upper surface and its launch point is suspended from outside testboard.
By using above-mentioned technical proposal, during the test, the bottom of laser range finder can be contacted at testboard
Upper surface, promote the accuracy of institute measured data, meanwhile, when needing to rotate laser range finder, by laser range finder to moving up
Dynamic a distance, and then smooth rotation laser range finder 180 degree, then laser range finder slide downward is contacted at into the upper of testboard
Surface enables laser range finder to shoot down laser, and the laser emission point of laser range finder is suspended from the outside of testboard,
To enable the laser point to beat in bottom surface, convenient for staff between the laser point and the center line of laser range finder away from
From measuring..
The present invention is further arranged to：The sliding block is threaded with abutting in the clamping screw of mounting post side wall.
By using above-mentioned technical proposal, sliding block and mounting post can be relatively fixed using clamping screw, to make to swash
Optar is difficult to happen rotation and up and down sliding, and laser range finder is made to keep stablizing in measurement process.
The present invention is further arranged to：The laser range finder upper end and bottom end are integrally formed with can contact at testboard
The limiting plate of upper surface.
By using above-mentioned technical proposal, laser range finder can be made to keep and test in measurement process using limiting plate
Platform upper surface is inconsistent, and then the center line of laser range finder is made to keep perpendicular with the upper surface of testboard, promotes measurement
Accuracy.
The present invention is further arranged to：The testboard side wall is equipped with arc-shaped angle graduated scale.
By using above-mentioned technical proposal, it can read entire testboard using angle graduated scale and turn in measurement process
Dynamic angle, convenient for the record to institute's measured data.
The present invention is further arranged to：The movable stand bottom is extended with perpendicular to wall and with graduated locater plate.
By using above-mentioned technical proposal, laser range finder center line and wall bottom can be directly read using locater plate
The distance between, synchronous, the laser point can be directly read when the laser point of laser range finder is got on locater plate and is swashed
The distance between optar center line.
The present invention is further arranged to：The connecting shaft is connected to testboard upper end, is provided with and is used in the testboard
It is in horizontal weight to keep testboard surface in no external force.
By using above-mentioned technical proposal, using the weight inside testboard, the effect of weight can be relied on testboard
Decentralization, make no external force under natural conditions, by gravity, make testboard upper surface in level, and then on ground
When the out-of-flatness of face, laser range finder state in a vertical shape in the operating condition can be still kept, the accuracy of measurement is promoted.
It is a further object of the present invention to provide a kind of detection method using construction wall testing apparatus for verticality, convenient pair
The verticality of wall is detected.
The present invention above-mentioned technical purpose technical scheme is that：It is a kind of vertical using construction wall
The detection method for spending detection device, includes the following steps：
Step A：Movable stand is positioned over to the side of wall to be measured, and one end of locater plate is contacted to the side wall of wall to be measured,
It keeps testboard upper surface in level, the limiting plate of laser range finder is contacted at into testboard upper surface, and operate laser ranging
Instrument emits beam of laser upwards, and the vertical range recorded between platform base and testboard upper surface is c1, in addition on testboard
Vertical range between surface and connecting shaft center is c2, and the sum of c1 and c2 are c ', while defining the laser point and wall upper end
Between vertical range be L '；
Step B：It is c to record the vertical range between connecting shaft center and locater plate upper surface；
Step C：Testboard is rotated, the laser point that laser range finder emits is made to coincide with the intersecting lens of platform and wall upper end, rotation
Turn gripping sleeve to fix testboard, moves up laser range finder and 180 degree rotation laser range finder, then move down laser ranging
Instrument makes limiting plate contact at testboard upper surface, and operation laser range finder emits beam of laser obliquely, and reading should on locater plate
The distance between laser point and locater plate center, are recorded as b, according to similar triangles, calculate L '=bc '/c；
Step D：It is L to be read by the distance between the vertical line at testboard center and wall bottom end using locater plate；
Step E：It is vertically placed on locater plate upper surface using another laser range finder, emits beam of laser upwards, is read
Numerical value on laser range finder, then the vertical range between platform bottom surface and locater plate upper surface is a；
Step F：Define wall angle of inclination be θ, according to tan θ=（L-L’）/ a finally obtains the inclination of wall by calculating
Angle.
By using above-mentioned technical proposal, a staff can calculate wall by above method step on the ground
The distance of the L ' measured needed for body upper end, and then the flow of test is simplified, keep entire measurement process more convenient, improves survey
Amount efficiency and precision.
In conclusion the invention has the advantages that：
One：The laser range finder rotated using rotatable testboard and liftable, can be in measurement process by wall
By the principles of similar triangles, the b distances being transferred on ground are simplified and were tested the distance of the L ' measured needed for upper end
Journey facilitates the measurement of degree of gravity vertical forwall surface；
Secondly：In the case where nature is without external force, the weight inside testboard close to bottom can be utilized to realize upper surface
In level, and then make laser range finder center line in vertically, promotes the accuracy of measurement data.
Description of the drawings
Fig. 1 is the structural schematic diagram of the present embodiment one；
Fig. 2 is the sectional view of the present embodiment one；
Fig. 3 is two schematic diagram of the present embodiment；
Fig. 4 is prior-art illustration.
Reference numeral：1, laser range finder；2, movable stand；3, testboard；4, connecting shaft；5, gripping sleeve；6, mounting post；
61, sliding slot；62, locking slot；7, sliding block；8, clamping screw；9, limiting plate；10, angle graduated scale；11, locater plate；12, weight；
13, level meter；14, reinforcing plate；15, pointer；16, wall；17, platform；18, glass plate.
Specific implementation mode
Below in conjunction with attached drawing, invention is further described in detail.
Embodiment one：
A kind of construction wall testing apparatus for verticality, it is shown referring to Fig.1, including a movable stand 2, when testing different walls 16
Movable stand 2 can be moved to 16 side of corresponding wall, there are one testboards 3 for rotation connection on movable stand 2, in natural shape
In the case that state is without external force, the upper surface of testboard 3 is embedded in 3 upper surface of testboard that there are one be conveniently adjusted survey in level
The level meter 13 or horizon rule of 3 angle of test stand are provided with the laser range finder 1 for carrying out ranging in the upper surface of testboard 3,
Rotation testboard 3 can change the launch angle of laser range finder 1, and then by 16 upper end of wall and 1 center line of laser range finder
The distance between the distance on ground is changed into according to ratio, facilitate tester to measure.
2 section of movable stand is L-shaped, and the reinforcing plate 14 of one piece of triangle is welded in the both sides of movable stand 2, for convenience of moving
It is dynamic, also pulley can be installed in the bottom of movable stand 2.
In conjunction with shown in Fig. 1 and Fig. 2, it is in horizontal connecting shaft 4 that one is fixedly welded in the upright side walls of movable stand 2,
It is arranged and is rotatablely connected there are one for installing the testboard 3 for placing laser range finder 1 in connecting shaft 4, testboard 3 is in semicolumn
Body, and the plane of testboard 3 is upward, and circular arc is face-down.Connecting shaft 4 is arranged in testboard 3 close to upper surface and in test
On the center line of 3 width direction of platform, in order in nature and to keep the upper surface of testboard 3 in the case of without external force be in water
It is flat, 3 inside of testboard is hollowed out close to the part of upper surface and in the position of bottom filled with weight 12 or integrally formed with adding
Weight part, then make the center of gravity of entire testboard 3 be in the bottommost of testboard 3.In measurement process, can in ground out-of-flatness or
It can still keep 3 upper surface of testboard in level in the state of inclination, and then keep laser range finder 1 more accurate when measuring
Really.And it is fixed in order to the position to testboard 3, the both ends that testboard 3 is arranged in connecting shaft 4 are threadedly coupled
There are one gripping sleeves 5, and rotating two gripping sleeves 5 can rely on the frictional force between 3 side wall of testboard to play admittedly testboard 3
Determine effect.
Laser range finder 1 is rotated in measurement process for convenience, in testboard 3 far from 2 upright side walls one end of movable stand
Center line on be fixedly welded with a mounting post 6 perpendicular to 3 upper surface of testboard, the side wall of mounting post 6 offers and it
Short transverse is in parallel sliding slot 61, is embedded in sliding slot 61 and is slidably connected that there are one for installing the cunning of laser range finder 1
Block 7, the two side of sliding block 7 are respectively threadedly coupled there are one clamping screw 8, in order in use can be by the position of sliding block 7
It is fixed, it is in parallel locking slot 62 to be offered in the opposite two side walls of mounting post 6 with sliding slot 61, and clamping screw 8 is worn
Set on locking slot 62, and when needing fixed, rotation lock bolt 8 is pushed against using the end of clamping screw 8 in mounting post 6
Side wall then plays position-limiting action to the position of sliding block 7.
The center position of 1 side wall of laser range finder is rotationally connected with sliding block 7, and upon installation, laser range finder 1
Launch point is suspended from outside testboard 3, then under vertical projection, the launch point of laser range finder 1 not in the perspective plane of testboard 3,
In order to keep laser range finder 1 perpendicular to the upper surface of testboard 3 during the test, in 1 side wall of laser range finder close to upper
End and be integrally formed limited position plate 9 close to the position of bottom, the limiting plate 9 of 1 upper end of laser range finder on laser range finder 1
End face is arranged in same plane, and the limiting plate 9 of 1 lower end of laser range finder is arranged with 1 bottom surface of laser range finder in same plane,
And when laser range finder 1 declines, limiting plate 9 can contact at the upper surface of testboard 3.
In the lower section that 2 bottom of movable stand is located at laser range finder 1 integrally formed with the locater plate 11 perpendicular to wall 16, survey
Upper surface away from plate 11 is provided with scale, and locater plate 11 is symmetrical in both sides centered on the central vertical line of testboard 3, and will survey
Centrally disposed away from plate 11 is 0 scale, and is incremented by respectively to both ends, and the length of locater plate 11 is more than the width of entire movable stand 2.
In order to determine the rotational angle of testboard 3, in the side wall upper edge of testboard 3, its radian is provided with angle graduated scale 10, meanwhile,
The pointer 15 for being instructed in angle graduated scale 10 is vertically installed on the bottom plate of movable stand 2.
Embodiment two：
A kind of detection method using construction wall testing apparatus for verticality in conjunction with shown in Fig. 1, Fig. 2 and Fig. 3, including walks as follows
Suddenly：
Step A：Movable stand 2 is positioned over to the side of wall 16 to be measured, and one end of locater plate 11 is contacted at into wall 16 to be measured
The side wall of bottom, keeping testboard 3, upper surface is in level in the case where nature is without external force, by 1 bottom of laser range finder
Limiting plate 9 contact at 3 upper surface of testboard, and operate the transmitting beam of laser upwards of laser range finder 1, record platform 17 bottom surface
Vertical range between 3 upper surface of testboard is c1, and between 3 upper surface of testboard and 4 center of connecting shaft it is vertical away from
From for c2, the sum of c1 and c2 are c ', while it is L ' to define the vertical range between 16 upper end of the laser point and wall；
Step B：It is c to record the vertical range between 4 center of connecting shaft and 11 upper surface of locater plate；
Step C：Testboard 3 is rotated, the laser point that laser range finder 1 emits is made to coincide with the intersection of platform 17 and 16 upper end of wall
Line, rotation gripping sleeve 5 fix testboard 3, move up laser range finder 1 and 180 degree rotation laser range finder 1, then move down
Laser range finder 1, makes limiting plate 9 contact at 3 upper surface of testboard, and operation laser range finder 1 emits beam of laser, reads obliquely
Go out the distance between the laser point and 11 center of locater plate on locater plate 11, be recorded as b, according to similar triangles, calculate L '=
bc’/c；
Step D：It is L to be read by the distance between the vertical line at 3 center of testboard and 16 bottom end of wall using locater plate 11；
Step E：It is vertically placed on 11 upper surface of locater plate using another laser range finder 1, emits beam of laser upwards, is read
Go out the numerical value on laser range finder 1, then the vertical range between 11 upper surface of 17 bottom surface of platform and locater plate is a；
Step F：Define wall 16 angle of inclination be θ, according to tan θ=（L-L’）/ a finally obtains wall 16 by calculating
Angle of inclination.
This specific embodiment is only explanation of the invention, is not limitation of the present invention, people in the art
Member can as needed make the present embodiment the modification of not creative contribution after reading this specification, but as long as at this
It is all protected by Patent Law in the right of invention.
Claims (9)
1. a kind of construction wall testing apparatus for verticality, including laser range finder（1）, it is characterized in that：It further include movable stand（2）、
Higher than movable stand（2）Bottom and it is rotationally connected with movable stand（2）Testboard（3）, the laser range finder（1）It is rotationally connected with
Testboard（3）.
2. a kind of construction wall testing apparatus for verticality according to claim 1, it is characterized in that：The movable stand（2）Gu
Surely have in horizontal connecting shaft（4）, the testboard（3）It is arranged and is freely rotated and be connected to connecting shaft（4）, the connecting shaft
（4）Positioned at testboard（3）Both sides are threaded with gripping sleeve（5）.
3. a kind of construction wall testing apparatus for verticality according to claim 1, it is characterized in that：The testboard（3）On
Surface is vertically fixedly connected with mounting post（6）, the mounting post（6）Sliding is connected with sliding block along its length（7）, described to swash
Optar（1）Center rotating is connected to sliding block（7）, the laser range finder（1）Bottom contacts at testboard（3）Upper surface and
Its launch point is suspended from testboard（3）Outside.
4. a kind of construction wall testing apparatus for verticality according to claim 3, it is characterized in that：The sliding block（7）Screw thread
Abutting is connected in mounting post（6）The clamping screw of side wall（8）.
5. a kind of construction wall testing apparatus for verticality according to claim 3, it is characterized in that：The laser range finder
（1）Upper end and bottom end are integrally formed with can contact at testboard（3）The limiting plate of upper surface（9）.
6. a kind of construction wall testing apparatus for verticality according to claim 1, it is characterized in that：The testboard（3）Side
Wall is equipped with arc-shaped angle graduated scale（10）.
7. a kind of construction wall testing apparatus for verticality according to claim 1, it is characterized in that：The movable stand（2）Bottom
Portion is extended with perpendicular to wall（16）And with graduated locater plate（11）.
8. a kind of construction wall testing apparatus for verticality according to claim 2, it is characterized in that：The connecting shaft（4）Even
It is connected to testboard（3）Upper end, the testboard（3）It is inside provided with for keeping testboard in no external force（3）Surface is in
Horizontal weight（12）.
9. a kind of detection method using construction wall testing apparatus for verticality, it is characterized in that：Include the following steps：
Step A：By movable stand（2）It is positioned over wall to be measured（16）Side, and by locater plate（11）One end contact at it is to be measured
Wall（16）Side wall, keep testboard（3）Upper surface is in level, by laser range finder（1）The limiting plate of bottom（9）It contacts at
Testboard（3）Upper surface, and operate laser range finder（1）Transmitting beam of laser upwards records platform（17）Bottom surface and testboard
（3）Vertical range between upper surface is c1, in addition testboard（3）Vertical range between upper surface and connecting shaft center is
The sum of c2, c1 and c2 are c ', while defining the laser point and wall（16）Vertical range between upper end is L '；
Step B：Record connecting shaft（4）Center and locater plate（11）Vertical range between upper surface is c；
Step C：Rotate testboard（3）, make laser range finder（1）The laser point of transmitting coincides with platform（17）With wall（16）On
The intersecting lens at end rotates gripping sleeve（5）By testboard（3）It is fixed, move up laser range finder（1）And 180 degree rotates laser
Rangefinder（1）, then move down laser range finder（1）, make limiting plate（9）Contact at testboard（3）Upper surface operates laser range finder
（1）Emit beam of laser obliquely, reads locater plate（11）The upper laser point and locater plate（11）The distance between center, record
For b L '=bc '/c is calculated according to similar triangles；
Step D：Utilize locater plate（11）It reads and passes through testboard（3）The vertical line and wall at center（16）The distance between bottom end
For L；
Step E：Utilize another laser range finder（1）It is vertically placed on locater plate（11）Upper surface emits a branch of sharp upwards
Light reads laser range finder（1）On numerical value, then platform（17）Bottom surface and locater plate（11）Vertical range between upper surface
For a；
Step F：Define wall（16）Angle of inclination be θ, according to tan θ=（L-L’）/ a finally obtains wall by calculating
（16）Angle of inclination.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810961547.6A CN108663021B (en) | 2018-08-22 | 2018-08-22 | Building wall perpendicularity detection device and detection method using same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810961547.6A CN108663021B (en) | 2018-08-22 | 2018-08-22 | Building wall perpendicularity detection device and detection method using same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN108663021A true CN108663021A (en) | 2018-10-16 |
| CN108663021B CN108663021B (en) | 2020-10-16 |
Family
ID=63789257
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810961547.6A Active CN108663021B (en) | 2018-08-22 | 2018-08-22 | Building wall perpendicularity detection device and detection method using same |
Country Status (1)
| Country | Link |
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| CN (1) | CN108663021B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109827621A (en) * | 2019-03-22 | 2019-05-31 | 安徽徽宁电器仪表集团有限公司 | A kind of suspended body flowmeter |
| CN111238456A (en) * | 2020-03-05 | 2020-06-05 | 北京崇建工程有限公司 | Measuring tool and measuring method |
| CN111397545A (en) * | 2020-03-11 | 2020-07-10 | 广东博智林机器人有限公司 | Wall surface flatness and verticality measuring equipment and method |
| CN111928830A (en) * | 2020-07-31 | 2020-11-13 | 中铁大桥局武汉桥梁特种技术有限公司 | Device and method for detecting verticality of column type structure |
| CN112363174A (en) * | 2020-11-24 | 2021-02-12 | 袁淑芳 | Building wall scale distance device |
| CN113218377A (en) * | 2021-06-03 | 2021-08-06 | 扬州工业职业技术学院 | Vertical measuring device for building wall and measuring method thereof |
| CN116164718A (en) * | 2023-02-15 | 2023-05-26 | 中建钢构工程有限公司 | Verticality detection device and measurement method |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101071063B (en) * | 2007-05-31 | 2010-12-01 | 中国移动通信集团广东有限公司 | Verticality measuring method and verticality measuring instrument |
| EP2458328B1 (en) * | 2010-11-24 | 2016-01-27 | Leica Geosystems AG | Construction measuring device with an automatic plumbing point finding function |
| CN204286365U (en) * | 2014-12-30 | 2015-04-22 | 姜泓任 | Foundation pit side-wall displacement monitor |
| CN205691106U (en) * | 2016-05-27 | 2016-11-16 | 厦门精图信息技术有限公司 | A kind of building inclination detection prior-warning device of intelligence |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109827621A (en) * | 2019-03-22 | 2019-05-31 | 安徽徽宁电器仪表集团有限公司 | A kind of suspended body flowmeter |
| CN111238456A (en) * | 2020-03-05 | 2020-06-05 | 北京崇建工程有限公司 | Measuring tool and measuring method |
| CN111397545A (en) * | 2020-03-11 | 2020-07-10 | 广东博智林机器人有限公司 | Wall surface flatness and verticality measuring equipment and method |
| CN111928830A (en) * | 2020-07-31 | 2020-11-13 | 中铁大桥局武汉桥梁特种技术有限公司 | Device and method for detecting verticality of column type structure |
| CN111928830B (en) * | 2020-07-31 | 2022-03-18 | 中铁大桥局武汉桥梁特种技术有限公司 | Device and method for detecting verticality of column type structure |
| CN112363174A (en) * | 2020-11-24 | 2021-02-12 | 袁淑芳 | Building wall scale distance device |
| CN112363174B (en) * | 2020-11-24 | 2023-01-03 | 袁淑芳 | Building wall scale distance device |
| CN113218377A (en) * | 2021-06-03 | 2021-08-06 | 扬州工业职业技术学院 | Vertical measuring device for building wall and measuring method thereof |
| CN116164718A (en) * | 2023-02-15 | 2023-05-26 | 中建钢构工程有限公司 | Verticality detection device and measurement method |
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| CN108663021B (en) | 2020-10-16 |
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