CN111707226A - High-rise and super-high-rise verticality measurement control instrument - Google Patents
High-rise and super-high-rise verticality measurement control instrument Download PDFInfo
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- CN111707226A CN111707226A CN202010438550.7A CN202010438550A CN111707226A CN 111707226 A CN111707226 A CN 111707226A CN 202010438550 A CN202010438550 A CN 202010438550A CN 111707226 A CN111707226 A CN 111707226A
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- 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
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Abstract
The invention discloses a high-rise and super-high-rise verticality measurement control instrument, belongs to the technical field of measuring instruments, and solves the problem that the existing device cannot flexibly adjust the position of a measuring head, so that the measurement limitation is large; the technical characteristics are as follows: the device comprises a protective cover and a workbench, wherein the workbench is arranged in the protective cover, the protective cover and the workbench are in sliding connection, a monitoring assembly and a measuring assembly are arranged in the workbench, the measuring assembly is connected with an adjusting assembly for adjusting the inclination angle of the measuring assembly, the monitoring assembly comprises a camera mounting seat and a camera, and the camera is mounted in the camera mounting seat; the adjusting assembly is arranged, the inclination angle of the measuring assembly can be flexibly adjusted through the adjusting assembly, the measuring work under different environments is facilitated, the telescopic assembly is convenient for the workbench and the measuring assembly to be folded and unfolded, the measuring assembly is protected, and the service life of the measuring assembly is prolonged.
Description
Technical Field
The invention relates to the technical field of measuring instruments, in particular to a high-rise and super-high-rise verticality measuring and controlling instrument.
Background
The high-rise building is rapidly developed, various new structures are adopted, and the newly designed high-rise building not only emerges in a big city, but also grows in a plurality of middle and small cities, so that the safety accidents caused by the inclination of the building are gradually increased. The design heights are increased, the number of layers is increased, the body shapes are increasingly complex, high-rise buildings are not simple superposition of low-rise buildings and multi-rise buildings, the traditional mode method of building structures and using functions is improved, and the increasing needs of people for improving life are met.
Chinese patent CN203349812U discloses a perpendicularity measuring instrument, including base, measuring device and display, measuring device passes through the circuit and is connected with the display, the perpendicularity measuring instrument still includes support, pivot, support and measuring head, and the measuring head is fixed in the below of support, and the support is fixed in the pivot, and the pivot is installed on the support at both ends, and the support at both ends is fixed on the base, but the device can not be nimble the position of adjusting the measuring head for it is great to measure the limitation, consequently, we propose a high-rise superelevation layer perpendicularity measurement control appearance.
Disclosure of Invention
The invention aims to provide a high-rise and super-high-rise verticality measurement controller which comprises a protective cover and a workbench, wherein the workbench is arranged inside the protective cover, the protective cover is connected with the workbench in a sliding manner, a monitoring assembly and a measuring assembly are arranged in the workbench, the measuring assembly is connected with an adjusting assembly used for adjusting the inclination angle of the measuring assembly, the monitoring assembly comprises a camera mounting seat and a camera, the camera is mounted in the camera mounting seat and is connected with the camera in a sliding manner, a hydraulic cylinder is fixedly mounted on one side of the camera mounting seat, and the telescopic end of the hydraulic cylinder is fixedly connected with the camera, so that the problem that the position of a measuring head cannot be flexibly adjusted by using the conventional device and the measurement limitation is large is solved.
In order to achieve the purpose, the invention provides the following technical scheme:
the utility model provides a high-rise superelevation layer straightness measurement control appearance that hangs down, including safety cover and workstation, the inside of safety cover is equipped with the workstation, sliding connection between safety cover and the workstation, be equipped with monitoring subassembly and measuring component in the workstation, measuring component is connected with the adjusting part that is used for adjusting measuring component inclination, monitoring subassembly includes camera mount pad and camera, install the camera in the camera mount pad, and camera mount pad and camera sliding connection, one side fixed mounting of camera mount pad has the pneumatic cylinder, the flexible end fixedly connected with camera of pneumatic cylinder.
As a further scheme of the invention: the upper portion fixedly connected with internal thread sleeve of camera mount pad, internal thread sleeve cover is established on first screw rod, and in the upper end of first screw rod extended to the workstation, install driving gear and driven gear in the workstation, meshing transmission between driving gear and the driven gear, and driving gear and driven gear rotate with the workstation respectively and are connected, the first screw rod of driven gear's lower part fixedly connected with, the first runner of upper portion fixedly connected with of driving gear.
As a still further scheme of the invention: the measuring assembly comprises a hanging plate and a placing plate, the hanging plate is fixedly installed on a hanging plate installing seat, the hanging plate installing seat is fixedly connected with the workbench through bolts, the lower portion of the hanging plate is rotatably connected with the placing plate, a measuring head is installed on the placing plate, and the side wall of the placing plate is hinged to a groove through the bolts.
As a still further scheme of the invention: the adjusting component comprises a second screw rod, a first thread block and a third rotating wheel, the second screw rod is connected with the workbench in a rotating mode, the second screw rod is sleeved with the first thread block, the second screw rod is connected with the first thread block through threads, the upper portion of the first thread block is hinged to a hinge rod, one end, away from the first thread block, of the hinge rod is hinged to a sliding block, the third rotating wheel is fixedly mounted at one end of the second screw rod, and the sliding block is movably mounted in a hinge groove.
As a still further scheme of the invention: be equipped with the flexible subassembly that is used for adjusting the workstation position between safety cover and the workstation, flexible subassembly includes the second runner, third screw rod and second thread piece, the third screw rod is installed on the safety cover, and third screw rod and safety cover rotate to be connected, the symmetry is equipped with two sections and revolves to opposite, the external screw thread that the pitch is the same on the third screw rod, and all overlap on every section external screw thread and be equipped with second thread piece, through threaded connection between second thread piece and the third screw rod, the one end fixed mounting of third screw rod has the second runner, the lower part of second thread piece articulates there is the push rod, the one end that the second thread piece was kept away from to the push rod articulates there is articulated seat, articulated seat and workstation fixed connection.
As a still further scheme of the invention: the bilateral symmetry of safety cover is equipped with two and is used for the spacing vertical guide rail to the workstation, vertical guide rail and workstation sliding connection, and vertical guide rail passes through the lateral wall fixed connection of bolt and safety cover.
In conclusion, the beneficial effects of the invention are as follows: the adjusting assembly is arranged, the inclination angle of the measuring assembly can be flexibly adjusted through the adjusting assembly, the measuring work under different environments is facilitated, the telescopic assembly is convenient for the workbench and the measuring assembly to be folded and unfolded, the measuring assembly is protected, and the service life of the measuring assembly is prolonged.
Drawings
Fig. 1 is a schematic structural diagram of the invention.
Fig. 2 is a schematic structural diagram of the protective cover in the invention.
Fig. 3 is a schematic structural diagram of the workbench in the invention.
Fig. 4 is a partially enlarged schematic view of a in fig. 1.
Fig. 5 is a schematic structural view of the hanging plate of the invention.
Fig. 6 is a schematic structural diagram of the telescopic assembly of the present invention.
In the figure: 1-protective cover, 2-vertical guide rail, 3-workbench, 4-telescopic component, 5-first rotating wheel, 6-driving gear, 7-driven gear, 8-internal thread sleeve, 9-first screw, 10-camera mounting seat, 11-camera, 12-hydraulic cylinder, 13-hanging plate mounting seat, 14-hanging plate, 15-placing plate, 16-hinging seat, 17-second screw, 18-first thread block, 19-hinging groove, 20-sliding block, 21-hinging rod, 22-second rotating wheel, 23-third screw, 24-second thread block, 25-push rod and 26-third rotating wheel.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
Example 1
As shown in fig. 1-2, in the embodiment of the present invention, the high-rise and super-high-rise verticality measurement controller includes a protection cover 1 and a workbench 3, the workbench 3 is disposed inside the protection cover 1, the protection cover 1 and the workbench 3 are slidably connected, a monitoring component and a measuring component are disposed in the workbench 3, and the measuring component is connected with an adjusting component for adjusting an inclination angle of the measuring component;
the monitoring assembly comprises a camera mounting seat 10 and a camera 11, the camera 11 is mounted in the camera mounting seat 10, the camera 11 is in the prior art, the camera mounting seat 10 is in sliding connection with the camera 11, a hydraulic cylinder 12 is fixedly mounted on one side of the camera mounting seat 10, the telescopic end of the hydraulic cylinder 12 is fixedly connected with the camera 11, when the position of the camera 11 needs to be adjusted, the hydraulic cylinder 12 is opened, and the hydraulic cylinder 12 drives the camera 11 to move, so that the position of the camera 11 can be flexibly adjusted;
as shown in fig. 3, an internal thread sleeve 8 is fixedly connected to the upper portion of the camera mounting seat 10, the internal thread sleeve 8 is sleeved on a first screw 9, the upper end of the first screw 9 extends into the workbench 3, a driving gear 6 and a driven gear 7 are installed in the workbench 3, the driving gear 6 and the driven gear 7 are in meshing transmission, the driving gear 6 and the driven gear 7 are respectively in rotating connection with the workbench 3, the lower portion of the driven gear 7 is fixedly connected with the first screw 9, and the upper portion of the driving gear 6 is fixedly connected with a first rotating wheel 5;
when the height of the monitoring assembly needs to be adjusted, the first rotating wheel 5 is rotated, the first rotating wheel 5 drives the driving gear 6 to rotate, so that the driving gear 6 drives the driven gear 7 to rotate, the driven gear 7 drives the first screw rod 9 to rotate, and further the first screw rod 9 drives the internal thread sleeve 8 and the monitoring assembly to move up and down, and therefore adjustment of the height of the monitoring assembly is achieved.
As shown in fig. 4-5, the measuring assembly includes a hanging plate 14 and a placing plate 15, the hanging plate 14 is fixedly mounted on a hanging plate mounting seat 13, the hanging plate mounting seat 13 is fixedly connected with the workbench 3 through a bolt, the lower portion of the hanging plate 14 is rotatably connected with the placing plate 15, the placing plate 15 is provided with a measuring head, the side wall of the placing plate 15 is fixedly connected with a hinge slot 19 through a bolt, and a sliding block 20 is movably mounted in the hinge slot 19.
Example 2
As shown in fig. 1-2, in the embodiment of the present invention, the high-rise and super-high-rise verticality measurement controller includes a protection cover 1 and a workbench 3, the workbench 3 is disposed inside the protection cover 1, the protection cover 1 and the workbench 3 are slidably connected, a monitoring component and a measuring component are disposed in the workbench 3, and the measuring component is connected with an adjusting component for adjusting an inclination angle of the measuring component;
the monitoring assembly comprises a camera mounting seat 10 and a camera 11, the camera 11 is mounted in the camera mounting seat 10, the camera 11 is in the prior art, the camera mounting seat 10 is in sliding connection with the camera 11, a hydraulic cylinder 12 is fixedly mounted on one side of the camera mounting seat 10, the telescopic end of the hydraulic cylinder 12 is fixedly connected with the camera 11, when the position of the camera 11 needs to be adjusted, the hydraulic cylinder 12 is opened, and the hydraulic cylinder 12 drives the camera 11 to move, so that the position of the camera 11 can be flexibly adjusted;
as shown in fig. 3, an internal thread sleeve 8 is fixedly connected to the upper portion of the camera mounting seat 10, the internal thread sleeve 8 is sleeved on a first screw 9, the upper end of the first screw 9 extends into the workbench 3, a driving gear 6 and a driven gear 7 are installed in the workbench 3, the driving gear 6 and the driven gear 7 are in meshing transmission, the driving gear 6 and the driven gear 7 are respectively in rotating connection with the workbench 3, the lower portion of the driven gear 7 is fixedly connected with the first screw 9, and the upper portion of the driving gear 6 is fixedly connected with a first rotating wheel 5;
when the height of the monitoring assembly needs to be adjusted, the first rotating wheel 5 is rotated, the first rotating wheel 5 drives the driving gear 6 to rotate, so that the driving gear 6 drives the driven gear 7 to rotate, the driven gear 7 drives the first screw rod 9 to rotate, and further the first screw rod 9 drives the internal thread sleeve 8 and the monitoring assembly to move up and down, and therefore adjustment of the height of the monitoring assembly is achieved.
As shown in fig. 4-5, the measuring assembly includes a hanging plate 14 and a placing plate 15, the hanging plate 14 is fixedly installed on a hanging plate installing seat 13, the hanging plate installing seat 13 is fixedly connected with the workbench 3 through a bolt, the lower part of the hanging plate 14 is rotatably connected with the placing plate 15, a measuring head is installed on the placing plate 15, a hinge groove 19 is fixedly connected with the side wall of the placing plate 15 through a bolt, and a sliding block 20 is movably installed in the hinge groove 19;
the adjusting assembly comprises a second screw rod 17, a first thread block 18 and a third rotating wheel 26, the second screw rod 17 is rotatably connected with the workbench 3, the first thread block 18 is sleeved on the second screw rod 17, the second screw rod 17 is in threaded connection with the first thread block 18, the upper part of the first thread block 18 is hinged with a hinge rod 21, one end, far away from the first thread block 18, of the hinge rod 21 is hinged with a sliding block 20, and the third rotating wheel 26 is fixedly mounted at one end of the second screw rod 17;
when the inclination angle of the placing plate 15 needs to be adjusted, the third rotating wheel 26 is rotated, the third rotating wheel 26 drives the second screw rod 17 to rotate, so that the second screw rod 17 drives the first thread block 18 to move, and further the first thread block 18 drives the hinge rod 21 to move, thereby realizing the adjustment of the inclination angle of the placing plate 15.
As shown in fig. 5, a telescopic assembly 4 for adjusting the position of the workbench 3 is arranged between the protective cover 1 and the workbench 3, the telescopic assembly 4 comprises a second rotating wheel 22, a third screw 23 and a second thread block 24, the third screw 23 is mounted on the protective cover 1, the third screw 23 is rotatably connected with the protective cover 1, two sections of external threads with opposite rotating directions and same thread pitch are symmetrically arranged on the third screw 23, each section of external thread is sleeved with the second thread block 24, the second thread block 24 is in threaded connection with the third screw 23, one end of the third screw 23 is fixedly mounted with the second rotating wheel 22, the lower part of the second thread block 24 is hinged with a push rod 25, one end of the push rod 25, which is far away from the second thread block 24, is hinged with a hinged seat 16, and the hinged seat 16 is fixedly connected with the workbench 3;
when the position of the workbench 3 needs to be adjusted, the second runner 22 is rotated, the second runner 22 drives the third screw rod 23 to rotate, so that the third screw rod 23 drives the second thread block 24 to move, and further the second thread block 24 drives the workbench 3 to move up and down, thereby adjusting the position of the workbench 3.
The bilateral symmetry of safety cover 1 is equipped with two and is used for 3 spacing vertical guide rails 2 to the workstation, vertical guide rail 2 and 3 sliding connection of workstation, and vertical guide rail 2 passes through the lateral wall fixed connection of bolt and safety cover 1.
In summary, the working principle of the invention is as follows: when the position of the workbench 3 needs to be adjusted, the second runner 22 is rotated, the second runner 22 drives the third screw 23 to rotate, so that the third screw 23 drives the second thread block 24 to move, and the second thread block 24 drives the workbench 3 to move up and down, thereby adjusting the position of the workbench 3;
when the inclination angle of the placing plate 15 needs to be adjusted, the third rotating wheel 26 is rotated, the third rotating wheel 26 drives the second screw rod 17 to rotate, so that the second screw rod 17 drives the first thread block 18 to move, and further the first thread block 18 drives the hinge rod 21 to move, thereby realizing the adjustment of the inclination angle of the placing plate 15.
When the height of the monitoring assembly needs to be adjusted, the first rotating wheel 5 is rotated, the first rotating wheel 5 drives the driving gear 6 to rotate, so that the driving gear 6 drives the driven gear 7 to rotate, the driven gear 7 drives the first screw rod 9 to rotate, and further the first screw rod 9 drives the internal thread sleeve 8 and the monitoring assembly to move up and down, and therefore adjustment of the height of the monitoring assembly is achieved.
The adjusting assembly is arranged, the inclination angle of the measuring assembly can be flexibly adjusted through the adjusting assembly, the measuring work under different environments is facilitated, the telescopic assembly 4 is convenient for the workbench 3 and the measuring assembly to be folded and unfolded, the measuring assembly is protected, and the service life of the measuring assembly is prolonged.
Although several embodiments and examples of the present invention have been described for those skilled in the art, these embodiments and examples are presented as examples and are not intended to limit the scope of the invention. These new embodiments can be implemented in other various ways, and various omissions, substitutions, and changes can be made without departing from the spirit of the invention. These embodiments and modifications thereof are included in the scope and gist of the invention, and are included in the invention described in the claims and the equivalent scope thereof.
Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.
Claims (9)
1. The utility model provides a high-rise superelevation layer straightness measurement control appearance that hangs down, includes safety cover (1) and workstation (3), and the inside of safety cover (1) is equipped with workstation (3), its characterized in that, sliding connection between safety cover (1) and workstation (3), is equipped with monitoring subassembly and measuring component in workstation (3), and measuring component is connected with the adjusting part who is used for adjusting measuring component inclination.
2. The high-rise and super-high-rise verticality measuring and controlling instrument according to claim 1, wherein the monitoring assembly comprises a camera mounting seat (10) and a camera (11), the camera (11) is mounted in the camera mounting seat (10), the camera mounting seat (10) is connected with the camera (11) in a sliding mode, a hydraulic cylinder (12) is fixedly mounted on one side of the camera mounting seat (10), and the camera (11) is fixedly connected with the telescopic end of the hydraulic cylinder (12).
3. The high-rise and super-high-rise verticality measuring and controlling instrument according to claim 2, is characterized in that an internal thread sleeve (8) is fixedly connected to the upper portion of the camera mounting seat (10), the internal thread sleeve (8) is sleeved on the first screw (9), the upper end of the first screw (9) extends into the workbench (3), a driving gear (6) and a driven gear (7) are installed in the workbench (3), the driving gear (6) and the driven gear (7) are in meshing transmission, the driving gear (6) and the driven gear (7) are respectively in rotating connection with the workbench (3), the first screw (9) is fixedly connected to the lower portion of the driven gear (7), and a first rotating wheel (5) is fixedly connected to the upper portion of the driving gear (6).
4. The high-rise and super-high-rise verticality measuring and controlling instrument according to any one of claims 1-3, wherein the measuring assembly comprises a hanging plate (14) and a placing plate (15), the hanging plate (14) is fixedly installed on a hanging plate installing seat (13), the hanging plate installing seat (13) is fixedly connected with the workbench (3) through a bolt, the placing plate (15) is rotatably connected to the lower portion of the hanging plate (14), a measuring head is installed on the placing plate (15), and a hinge groove (19) is fixedly connected to the side wall of the placing plate (15) through a bolt.
5. The high-rise and super-high-rise verticality measuring and controlling instrument according to claim 4, wherein the adjusting assembly comprises a second screw (17), a first thread block (18) and a third runner (26), the second screw (17) is rotatably connected with the workbench (3), the first thread block (18) is sleeved on the second screw (17), the second screw (17) is in threaded connection with the first thread block (18), the upper portion of the first thread block (18) is hinged to a hinge rod (21), one end, far away from the first thread block (18), of the hinge rod (21) is hinged to a sliding block (20), and the third runner (26) is fixedly mounted at one end of the second screw (17).
6. The high-rise and super-high-rise verticality measuring and controlling instrument according to claim 5, wherein the sliding block (20) is movably installed in the hinge groove (19).
7. The high-rise and super-high-rise verticality measuring and controlling instrument according to any one of claims 1-3, wherein a telescopic assembly (4) for adjusting the position of the workbench (3) is arranged between the protective cover (1) and the workbench (3).
8. The high-rise and super-high-rise verticality measuring and controlling instrument according to claim 7, wherein the telescopic assembly (4) comprises a second rotating wheel (22), a third screw rod (23) and a second threaded block (24), the third screw rod (23) is installed on the protective cover (1), and the third screw rod (23) is rotationally connected with the protective cover (1), two sections of external threads with opposite rotation directions and the same thread pitch are symmetrically arranged on the third screw rod (23), and every section of external screw thread is all overlapped and is equipped with second screw thread piece (24), through threaded connection between second screw thread piece (24) and third screw rod (23), the one end fixed mounting of third screw rod (23) has second runner (22), the lower part of second screw thread piece (24) articulates there is push rod (25), the one end that second screw thread piece (24) were kept away from in push rod (25) articulates there is articulated seat (16), articulated seat (16) and workstation (3) fixed connection.
9. The high-rise and super-high-rise verticality measuring and controlling instrument according to any one of claims 1-3, wherein two vertical guide rails (2) for limiting the workbench (3) are symmetrically arranged on two sides of the protective cover (1), the vertical guide rails (2) are slidably connected with the workbench (3), and the vertical guide rails (2) are fixedly connected with the side walls of the protective cover (1) through bolts.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010438550.7A CN111707226A (en) | 2020-05-21 | 2020-05-21 | High-rise and super-high-rise verticality measurement control instrument |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010438550.7A CN111707226A (en) | 2020-05-21 | 2020-05-21 | High-rise and super-high-rise verticality measurement control instrument |
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| CN111707226A true CN111707226A (en) | 2020-09-25 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010438550.7A Pending CN111707226A (en) | 2020-05-21 | 2020-05-21 | High-rise and super-high-rise verticality measurement control instrument |
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112630149A (en) * | 2020-12-16 | 2021-04-09 | 中铁十五局集团有限公司 | Tunnel lining crack detector |
| CN113028246A (en) * | 2021-02-27 | 2021-06-25 | 山东省第三地质矿产勘查院 | Many topography adaptation installation type geological disasters early warning device |
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| CN203349812U (en) * | 2013-07-09 | 2013-12-18 | 上海钰诚电子有限公司 | Verticality measuring instrument |
| CN107976174A (en) * | 2017-11-28 | 2018-05-01 | 河南财经政法大学 | A kind of building engineering survey equipment based on photoelectric technology |
| CN108253949A (en) * | 2017-12-30 | 2018-07-06 | 西安邮电大学 | A kind of high level Super High squareness measurement controller |
| CN207894374U (en) * | 2018-03-19 | 2018-09-21 | 武汉大学 | A kind of high-rise building relative horizontal displacement on-Line Monitor Device based on CMOS |
| CN208187414U (en) * | 2018-06-02 | 2018-12-04 | 浙江交科工程检测有限公司 | A kind of skyscraper verticality measurement device |
| CN109297472A (en) * | 2018-08-24 | 2019-02-01 | 北京中联环建设工程管理有限公司 | Levelling device and the supervision control method of super high-rise building engineering survey |
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2020
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203349812U (en) * | 2013-07-09 | 2013-12-18 | 上海钰诚电子有限公司 | Verticality measuring instrument |
| CN107976174A (en) * | 2017-11-28 | 2018-05-01 | 河南财经政法大学 | A kind of building engineering survey equipment based on photoelectric technology |
| CN108253949A (en) * | 2017-12-30 | 2018-07-06 | 西安邮电大学 | A kind of high level Super High squareness measurement controller |
| CN207894374U (en) * | 2018-03-19 | 2018-09-21 | 武汉大学 | A kind of high-rise building relative horizontal displacement on-Line Monitor Device based on CMOS |
| CN208187414U (en) * | 2018-06-02 | 2018-12-04 | 浙江交科工程检测有限公司 | A kind of skyscraper verticality measurement device |
| CN109297472A (en) * | 2018-08-24 | 2019-02-01 | 北京中联环建设工程管理有限公司 | Levelling device and the supervision control method of super high-rise building engineering survey |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112630149A (en) * | 2020-12-16 | 2021-04-09 | 中铁十五局集团有限公司 | Tunnel lining crack detector |
| CN113028246A (en) * | 2021-02-27 | 2021-06-25 | 山东省第三地质矿产勘查院 | Many topography adaptation installation type geological disasters early warning device |
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Application publication date: 20200925 |
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