CN207501847U - The testing apparatus for verticality of vertical structure - Google Patents
The testing apparatus for verticality of vertical structure Download PDFInfo
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- CN207501847U CN207501847U CN201721493555.XU CN201721493555U CN207501847U CN 207501847 U CN207501847 U CN 207501847U CN 201721493555 U CN201721493555 U CN 201721493555U CN 207501847 U CN207501847 U CN 207501847U
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- shaft
- verticality
- vertical structure
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- testing apparatus
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
- 238000005259 measurement Methods 0.000 abstract description 21
- 230000008878 coupling Effects 0.000 description 7
- 238000010168 coupling process Methods 0.000 description 7
- 238000005859 coupling reaction Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 6
- 238000001514 detection method Methods 0.000 description 4
- 230000000694 effects Effects 0.000 description 4
- 230000005484 gravity Effects 0.000 description 4
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 229910000838 Al alloy Inorganic materials 0.000 description 1
- 229910000831 Steel Inorganic materials 0.000 description 1
- 239000000956 alloy Substances 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 230000005389 magnetism Effects 0.000 description 1
- 238000000465 moulding Methods 0.000 description 1
- 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 description 1
- 238000005192 partition Methods 0.000 description 1
- 239000010959 steel Substances 0.000 description 1
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- A Measuring Device Byusing Mechanical Method (AREA)
Abstract
The utility model provides a kind of testing apparatus for verticality of vertical structure, including shaft, shrinkage-rule and positioning component.Wherein, shaft inner hollow and shaft close to vertical structure a side opening, on two sides adjacent with being open of shaft contraposition be equipped with the sliding slot being vertically arranged；Shrinkage-rule is slidedly arranged in sliding slot, and shrinkage-rule is rotationally connected with the inside of shaft by the first connector, and the first segment for extending opening is formed with when shrinkage-rule is perpendicular to shaft, and first segment is equipped with scale；Positioning component is rotationally connected with the inside of shaft by the second connector, and the second segment for extending opening is formed with when positioning component is perpendicular to shaft, the length of second segment and the equal length of first segment, and second segment is hung oneself to be fallen equipped with line.The testing apparatus for verticality of vertical structure provided by the utility model, it is simple in structure, the verticality of vertical structure can accurately be measured, measurement efficiency is higher, while easy to carry.
Description
Technical field
The utility model is related to building field more particularly to a kind of testing apparatus for verticality of vertical structure.
Background technology
At this stage in all kinds of housing constructions and the construction site of civilian infrastructure intermediate item, for agent structure wall mould
All kinds of vertical structures such as plate installs, main body wall structural concrete molding structure, masonry structure and light steel keel partition all need to be into
Row measuring for verticality.The detection of conventional vertical degree detects in a manner that messenger wire pendant or guiding ruler jump a queue ruler mostly, conventional method inspection
Two people are generally required during surveying and coordinate progress messenger wire and tape measure；Such method is due to after the completion of main body formwork and template
Can not disposably be completed to measure by same survey tool after dismounting, not only caused by detecting work human cost increase, and
And its measurement efficiency is relatively low, measures intricate operation.
Utility model content
In view of the foregoing, the utility model provides a kind of testing apparatus for verticality of vertical structure, by shrinkage-rule and
Positioning component, which is respectively perpendicular, is connected to shaft, and the first segment on shrinkage-rule is equipped with scale, and positioning component is hung oneself to be fallen equipped with line, to perpendicular
Before structure carries out measuring for verticality, shaft is placed vertically, call wire falls corresponding initial scale value；Vertical structure is carried out
During measuring for verticality, shrinkage-rule is fitted in vertical structure respectively with positioning component (need to ensure that testing apparatus for verticality is located at
In one perpendicular), line falls corresponding final scale value to record at this time, by comparing between final scale value and initial scale value
Difference can disposably be precisely accomplished vertical structure verticality measurement.
To realize above-mentioned technique effect, the utility model discloses a kind of testing apparatus for verticality of vertical structure, including：
The side of shaft, the shaft inner hollow and the close vertical structure of the shaft is equipped with opening, the shaft
Be equipped with the sliding slot being vertically arranged with contraposition on adjacent two sides of the opening；
Shrinkage-rule, the shrinkage-rule are slidedly arranged in the sliding slot, and the shrinkage-rule is rotationally connected with by the first connector
The inside of the shaft, and the first segment for extending the opening is formed with when the shrinkage-rule is perpendicular to the shaft, institute
First segment is stated equipped with scale；And
Positioning component, the positioning component are rotationally connected with the inside of the shaft by the second connector, and described
It is formed with the second segment for extending the opening when positioning component is perpendicular to the shaft, the length of the second segment and described the
One section of equal length, the second segment is hung oneself to be fallen equipped with line.
The beneficial effects of the utility model are：
1. the measurement of vertical structure verticality can be rapidly completed.
2. shrinkage-rule can be slided along sliding slot, armpit angle in measurement process on vertical structure or other components are avoided to measurement
It influences.
A kind of vertical structure of the utility model testing apparatus for verticality further improvement lies in that, hang down in the shrinkage-rule
It is directly also formed with being placed in the third section inside the shaft when shaft, the third section is connected by first connector
It is connected to the shaft.
A kind of vertical structure of the utility model testing apparatus for verticality further improvement lies in that, in the positioning component
It is also formed with being placed in the 4th section inside the shaft during perpendicular to the shaft, described 4th section passes through second connector
It is connected to the shaft.
A kind of further improve of testing apparatus for verticality of vertical structure of the utility model be, the second segment packet
Include the pars contractilis for being connected to described 4th section and the support portion for being vertically connected at the pars contractilis.
A kind of further improve of testing apparatus for verticality of vertical structure of the utility model be, the pars contractilis
Bottom end offers the first slideway, and the line pendant is slidedly arranged in first slideway and is positioned at afterwards by locking member in place in sliding
The pars contractilis.
A kind of vertical structure of the utility model testing apparatus for verticality further improvement lies in that, the line pendant is by hanging
Line is hung at the second segment, and the first segment is equipped with the second slideway penetrated through vertically, and second slideway and described first
Slideway vertically aligns.
A kind of vertical structure of the utility model testing apparatus for verticality further improvement lies in that, the shrinkage-rule is vertical
It is positioned on the shaft by the first fixing piece when the shaft.
A kind of vertical structure of the utility model testing apparatus for verticality further improvement lies in that, the positioning component hangs down
Directly it is positioned on the shaft by the second fixing piece when the shaft.
A kind of vertical structure of the utility model testing apparatus for verticality further improvement lies in that, the shaft is equipped with
Horizontally disposed block level.
A kind of vertical structure of the utility model testing apparatus for verticality further improvement lies in that, the shaft it is separate
The side of the vertical structure is equipped with handle.
Description of the drawings
Fig. 1 is a kind of use state diagram of the testing apparatus for verticality of vertical structure of the utility model.
Fig. 2 is a kind of structure diagram of the testing apparatus for verticality of vertical structure of the utility model.
Fig. 3 is a kind of side schematic view of the testing apparatus for verticality of vertical structure of the utility model.
When Fig. 4 is that shrinkage-rule is turned to inside shaft in a kind of testing apparatus for verticality of vertical structure of the utility model
Connection diagram.
Fig. 5 is the connection between positioning component and shaft in a kind of testing apparatus for verticality of vertical structure of the utility model
Schematic diagram.
Fig. 6 is the schematic top plan view of shrinkage-rule in a kind of testing apparatus for verticality of vertical structure of the utility model.
Fig. 7 is the perspective diagram of buckle closure in a kind of testing apparatus for verticality of vertical structure of the utility model.
Specific embodiment
For the benefit of to the understanding of the utility model, illustrate with reference to the accompanying drawings and embodiments.
Refering to Fig. 1 to Fig. 3 it is found that the utility model provides a kind of testing apparatus for verticality of vertical structure, including shaft
2nd, shrinkage-rule 3 and positioning component 4.Wherein, 2 inner hollow of shaft and shaft 2 are equipped with close to the side of vertical structure 1 is open, bar
Contraposition is equipped with the sliding slot 21 being vertically arranged on two sides adjacent with being open on body 2；Shrinkage-rule 3 is slidedly arranged in sliding slot 21,
Shrinkage-rule 3 is rotationally connected with the inside of shaft 2 by the first connector 61, and is formed with and prolongs when shrinkage-rule 3 is perpendicular to shaft 2
The first segment of opening is stretched out, first segment is equipped with scale；Positioning component 4 is rotationally connected with shaft 2 by the second connector 62
Inside, and the second segment for extending opening is formed with when positioning component 4 is perpendicular to shaft 2, the length and first segment of second segment
Equal length, second segment hang oneself equipped with line pendant 5.In the present embodiment, when carrying out squareness measurement to vertical structure 1, when perpendicular
When being equipped with armpit angle or other components to structure 1, armpit angle or other structures can be avoided by moving up and down shrinkage-rule 3 along sliding slot 21
Part avoids the influence of its squareness measurement to vertical structure 1；Shrinkage-rule is adjusted according to the size of armpit angle or other components simultaneously
The length of 3 first segment.After the completion of the squareness measurement to vertical structure 1, shrinkage-rule 3 and positioning component 4 can be turned to
The inside of shaft 2, it is easy to carry；Connection diagram when shrinkage-rule 3 turns to 2 inside of shaft is as shown in Figure 4.
Preferably, being also formed with being placed in the third section inside shaft 2 when shrinkage-rule 3 is perpendicular to shaft 2, third section passes through
First connector 61 is connected to shaft 2.In the present embodiment, it is integrally formed or between first segment and third section by being welded to connect；
Specifically, first segment includes the first tube coupling and the second tube coupling, the inner wall of the first tube coupling is equipped with the guide rail slided for the second tube coupling；
Further, first segment includes multistage tube coupling, and above-mentioned slip connection mode is used between adjacent tube coupling；Further, it is close
It is integrally formed or is welded to connect between the tube coupling of third section and third section.When using testing apparatus for verticality according to practical measurement
Situation adjusts the collapsing length of first segment；Further, it is designed with scale on every section of expansion piece.
Preferably, it is positioned on shaft 2 by the first fixing piece when shrinkage-rule 3 is perpendicular to shaft 2.In the present embodiment,
When the verticality to vertical structure 1 is detected, it need to ensure to remain vertical between shrinkage-rule 3 and shaft 2, pass through first
Shrinkage-rule 3 is perpendicularly fixed on shaft 2 by fixing piece, ensures the accuracy of measurement result.Specifically, the first fixing piece is can turn
Dynamic the first diagonal brace for being connected to shaft 2, wherein the first end of the first diagonal brace is connected to shaft 2, the second end branch of the first diagonal brace is supported
It is vertically positioned on shaft 2 in the bottom end of shrinkage-rule 3, and then by shrinkage-rule 3；Further, it is recessed to be equipped with one for the bottom end of shrinkage-rule 3
Slot, the branch convenient for the first diagonal brace are supported, and the first diagonal brace branch is avoided to be slided during supporting, measurement result is had an impact.
Preferably, being also formed with being placed in the 4th section inside shaft 2 when positioning component 4 is perpendicular to shaft 2, the 4th section logical
It crosses the second connector 62 and is connected to shaft 2.Further, second segment includes being connected to the 4th section of pars contractilis and be vertically connected at
The support portion 42 of pars contractilis；In the present embodiment, the length of second segment can also stretch according to actual operation requirements, specifically logical
The length for overregulating pars contractilis realizes that the second segment length is adjustable, the length of first segment and the length phase of second segment when ensureing to measure
Deng.Further, the bottom end of pars contractilis offers the first slideway 41, and line pendant 5 is slidedly arranged in the first slideway 41 and is being slid onto
Pars contractilis is positioned at by locking member behind position；In the present embodiment, by the way that line pendant 5 is slid along the first slideway 41 so that line falls 5 pairs
At a certain scale value of scale and pass through locking member and be positioned on pars contractilis, 5 corresponding scale values of line pendant are (just at this time for record
Beginning scale value), complete the initial alignment that line falls 5；Locking member selects bolt and attaching nut uses.In the present embodiment, second segment
And it is integrally formed or between the 4th section by being welded to connect；Further, the 4th section is the pedestal 43 for being connected to shaft 2, such as Fig. 5
It is shown.
Preferably, it is positioned on shaft 2 by the second fixing piece when positioning component 4 is perpendicular to shaft 2.Utilize the present embodiment
In testing apparatus for verticality when being detected to the verticality of vertical structure 1, need to ensure to begin between positioning component 4 and shaft 2
It keeps vertical eventually, shrinkage-rule 3 is perpendicularly fixed on shaft 2 by the second fixing piece, ensures the accuracy of measurement result.Specifically
, the second fixing piece is the second diagonal brace for being rotationally connected with shaft 2, wherein the first end of the second diagonal brace is connected to shaft 2, the
The second end of two diagonal braces is support on the bottom end of positioning component 4, and then positioning component 4 is vertically positioned on shaft 2；Further
, the bottom end of positioning component 4 is equipped with a groove, and the branch convenient for the second diagonal brace is supported, and the second diagonal brace branch is avoided to be slided during supporting
It is dynamic, measurement result is had an impact.
As shown in figures 1 to 6, line pendant is hung at second segment by messenger wire 51, and first segment is equipped with second penetrated through vertically
Slideway 31, and the 41 vertical setting that aligns of the second slideway 31 and the first slideway.Utilize the testing apparatus for verticality in the present embodiment
When being detected to the verticality of vertical structure, when vertical structure is there are during certain angle of inclination, line pendant 5 under the effect of gravity can
It is slided along the second slideway 31, by setting the second slideway 31 on first segment, convenient for the slip of line pendant, while is conducive to scale value
Accurate reading.Further, contraposition is equipped with two sections of scales, two sections of quarters respectively on the top and bottom of first segment in the present embodiment
Degree is symmetrically distributed in the both sides of the second slideway 31, is conducive to the reading of scale value.
In the present embodiment, shaft 2 is equipped with horizontally disposed block level 7.By being horizontally disposed with bubble on shaft 2
Spirit level 7, by adjusting in testing apparatus for verticality block level 7 during the squareness measurement of vertical structure 1
Bubble is placed in the middle, and then can ensure that testing apparatus for verticality is always positioned in a perpendicular in measurement process, avoids due to hanging down
The inclination of straightness detecting device itself has an impact measurement result.Further, shaft 2 close to the side of vertical structure 1 or
Side far from vertical structure 1 is equipped with horizontally disposed block level 7, convenient for the sight of testing staff during measuring for verticality
It examines.Specifically, block level 7 is rounded, a diameter of 30mm.
In the present embodiment, side of the shaft 2 far from vertical structure 1 is equipped with handle 22.It is used convenient for testing staff vertical
It spends detection device and measuring for verticality is carried out to vertical structure, improve measuring for verticality efficiency.Specifically, handle 22 use section for
50mm*25mm, thickness are made of the aluminum alloy materials of 2mm, and the length of handle 22 is 200mm, u-shaped, handle 22 and shaft 2
By being welded to connect.
Testing apparatus for verticality in the present embodiment, can be by shrinkage-rule 3 after the completion of the measuring for verticality to vertical structure 1
The inside of shaft 2 is turned to positioning component 4, that is, after completing measuring for verticality, testing apparatus for verticality can be folded, just
In carrying.Further, it is connected on shaft 2 close to the side of vertical structure 1 there are one button 8 (as shown in Figure 7) of cover, treats shrinkage-rule
3 and after positioning component 4 turns to the inside of shaft 2, button cover 8 is installed on shaft 2 and (passes through buckle between button cover 8 and shaft 2
Connection or cunning set connection), convenient for the carrying of testing apparatus for verticality, while shield to shrinkage-rule 3 and positioning component 4,
Improve the service life of shrinkage-rule 3 and positioning component 4.
A kind of detecting step of the testing apparatus for verticality of vertical structure of the utility model includes the following steps：
1. shrinkage-rule 3 and positioning component 4 are rotated respectively so that shrinkage-rule 3 is perpendicular to shaft 2 and passes through the first fixing piece and determines
On shaft 2 so that positioning component 4 is perpendicular to shaft 2 and passes through the second fixing piece and is positioned on shaft 2；
2. the distance between positioning component 4 and shrinkage-rule 3 are adjusted according to the size of vertical structure 1；According on vertical structure 1
Armpit angle or the sizes of other components adjust the collapsing length of shrinkage-rule 3, the collapsing length of positioning component 4 and hanging for line pendant 5 and set
Position avoids the influence of armpit angle or other components to squareness measurement；
3. adjust the relative position of testing apparatus for verticality and observe horizontal bubble spirit level 7 so that in block level 7
Bubble it is placed in the middle, it is ensured that shaft 2 vertically place, record at this time line fall 5 corresponding initial scale values；
4. positioning component 4 and shrinkage-rule 3 are fitted in respectively on vertical structure 1, the opposite of testing apparatus for verticality is adjusted
Simultaneously observe horizontal bubble spirit level 7 in position so that the bubble in block level 7 is placed in the middle, so as to ensure measuring for verticality
Device measure when be located at a perpendicular in, after line pendant 5 stablize it is motionless after record at this time line fall 5 corresponding final scales
Value.
It is final by comparing when carrying out verticality to vertical structure 1 using the testing apparatus for verticality in the utility model
Difference between scale value and initial scale value determines the inclination size of vertical structure 1, and difference shows more greatly vertical structure 1
Gradient is bigger.Specifically, using in detecting step 3 to the step 4 of testing apparatus for verticality, when vertical structure 1 from upper end extremely
Lower end to the left inclined downward when, line pendant 5 under the effect of gravity to far from vertical structure 1 side rotate, i.e., to the right side of first segment
Side rotates；When vertical structure 1 tilts to the right from upper end to lower end, line pendant 5 is under the effect of gravity to close to vertical structure 1
Side rotation, i.e., to the left pivot movement of first segment.Testing apparatus for verticality in through this embodiment can not only detect perpendicular
To the deviation size of the verticality of structure 1, inclined direction (left and right directions and the right and left in Fig. 1 of vertical structure 1 can be also obtained
To unanimously).
In the present embodiment, by opening up the second slideway 31 being vertically arranged on the first segment of shrinkage-rule 3, convenient for vertical
It spends in detection process, the second slideway of gravity lower edge 31 that messenger wire 51 falls 5 online moves left and right.As shown in fig. 6, the second slideway
Contraposition is equipped with scale on the shrinkage-rule 3 of 31 both sides；It, can be by " 0 " graduation mark for ease of the detection of verticality and the reading of scale value
Set on the centre position of the first segment of shrinkage-rule 3, the initial position of line pendant 5 corresponds at " 0 " graduation mark.
In the utility model, the width of sliding slot 21 is 10mm, length 1700mm, between the first connector 61 and shaft 2,
It is all connected through a screw thread between second connector 62 and shaft 2；Third section is welded to connect in the first connector 61, the 4th section of weldering
It is connected to the second connector 62 in succession.Using the 300g magnetism weights that can automatically adjust balance, the length of messenger wire 51 is line pendant 5
2000mm。
The beneficial effects of the utility model are：
1. it can realize the disposable verticality for accurately measuring vertical structure.
It 2. can be to avoid the influence of armpit angle or other components to measurement on vertical structure in measurement process.
3. it is simple in structure, it is easy to carry.
4. measuring method is simple, easily operated, measurement efficiency is higher.
Claims (10)
1. a kind of testing apparatus for verticality of vertical structure, which is characterized in that including：
The side of shaft, the shaft inner hollow and the close vertical structure of the shaft be equipped with opening, the shaft with
Contraposition is equipped with the sliding slot being vertically arranged on two adjacent sides of the opening；
Shrinkage-rule, the shrinkage-rule are slidedly arranged in the sliding slot, and the shrinkage-rule is rotationally connected with described by the first connector
The inside of shaft, and the first segment for extending the opening is formed with when the shrinkage-rule is perpendicular to the shaft, described
One section is equipped with scale；And
Positioning component, the positioning component are rotationally connected with the inside of the shaft by the second connector, and in the positioning
The second segment for extending the opening, the length of the second segment and the first segment are formed with when component is perpendicular to the shaft
Equal length, the second segment hang oneself equipped with line fall.
2. the testing apparatus for verticality of vertical structure according to claim 1, it is characterised in that：It is vertical in the shrinkage-rule
It is also formed with being placed in the third section inside the shaft when shaft, the third section is connected by first connector
In the shaft.
3. the testing apparatus for verticality of vertical structure according to claim 1, it is characterised in that：It hangs down in the positioning component
Directly it is also formed with being placed in the 4th section inside the shaft when shaft, described 4th section is connected by second connector
It is connected to the shaft.
4. the testing apparatus for verticality of vertical structure according to claim 3, it is characterised in that：The second segment includes connecting
It is connected to described 4th section of pars contractilis and is vertically connected at the support portion of the pars contractilis.
5. the testing apparatus for verticality of vertical structure according to claim 4, it is characterised in that：The bottom end of the pars contractilis
The first slideway is offered, the line pendant is slidedly arranged in first slideway and is positioned at afterwards by locking member in place in sliding described
Pars contractilis.
6. the testing apparatus for verticality of vertical structure according to claim 5, it is characterised in that：The line pendant passes through messenger wire
The second segment is hung at, the first segment is equipped with the second slideway penetrated through vertically, and second slideway and described first is slided
Road vertically aligns.
7. the testing apparatus for verticality of vertical structure according to claim 1, it is characterised in that：The shrinkage-rule perpendicular to
It is positioned on the shaft by the first fixing piece during the shaft.
8. the testing apparatus for verticality of vertical structure according to claim 1, it is characterised in that：The positioning component is vertical
It is positioned on the shaft by the second fixing piece when the shaft.
9. the testing apparatus for verticality of vertical structure according to claim 1, it is characterised in that：The shaft is equipped with water
The block level of flat setting.
10. the testing apparatus for verticality of vertical structure according to claim 1, it is characterised in that：The shaft it is separate
The side of the vertical structure is equipped with handle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721493555.XU CN207501847U (en) | 2017-11-10 | 2017-11-10 | The testing apparatus for verticality of vertical structure |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201721493555.XU CN207501847U (en) | 2017-11-10 | 2017-11-10 | The testing apparatus for verticality of vertical structure |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN207501847U true CN207501847U (en) | 2018-06-15 |
Family
ID=62504432
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201721493555.XU Expired - Fee Related CN207501847U (en) | 2017-11-10 | 2017-11-10 | The testing apparatus for verticality of vertical structure |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN207501847U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109596114A (en) * | 2018-12-29 | 2019-04-09 | 黑龙江建筑职业技术学院 | A kind of construction account verticality detection tool |
| CN110005576A (en) * | 2019-03-25 | 2019-07-12 | 明阳智慧能源集团股份公司 | The wind-power electricity generation anemometer tower of accurate amendment verticality and its installation and maintaining method |
| CN111809524A (en) * | 2020-07-09 | 2020-10-23 | 中交一公局第四工程有限公司 | A simple control device for the verticality of the lower pier column of a prefabricated bridge |
-
2017
- 2017-11-10 CN CN201721493555.XU patent/CN207501847U/en not_active Expired - Fee Related
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109596114A (en) * | 2018-12-29 | 2019-04-09 | 黑龙江建筑职业技术学院 | A kind of construction account verticality detection tool |
| CN109596114B (en) * | 2018-12-29 | 2021-11-23 | 黑龙江建筑职业技术学院 | Building survey straightness detection instrument that hangs down |
| CN110005576A (en) * | 2019-03-25 | 2019-07-12 | 明阳智慧能源集团股份公司 | The wind-power electricity generation anemometer tower of accurate amendment verticality and its installation and maintaining method |
| CN110005576B (en) * | 2019-03-25 | 2023-12-22 | 明阳智慧能源集团股份公司 | Wind power generation wind tower capable of accurately correcting verticality and installation and maintenance method thereof |
| CN111809524A (en) * | 2020-07-09 | 2020-10-23 | 中交一公局第四工程有限公司 | A simple control device for the verticality of the lower pier column of a prefabricated bridge |
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