CN107576303A - The device of telemeasurement aerial angle - Google Patents
The device of telemeasurement aerial angle Download PDFInfo
- Publication number
- CN107576303A CN107576303A CN201710881782.8A CN201710881782A CN107576303A CN 107576303 A CN107576303 A CN 107576303A CN 201710881782 A CN201710881782 A CN 201710881782A CN 107576303 A CN107576303 A CN 107576303A
- Authority
- CN
- China
- Prior art keywords
- pedestal
- accurate measurement
- fan
- universal bar
- shaped connector
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims abstract description 40
- 238000005259 measurement Methods 0.000 claims abstract description 29
- 238000013507 mapping Methods 0.000 abstract description 3
- 229910000831 Steel Inorganic materials 0.000 abstract description 2
- 239000010959 steel Substances 0.000 abstract description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000000686 essence Substances 0.000 description 2
- 238000012552 review Methods 0.000 description 2
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 description 1
- 210000000078 claw Anatomy 0.000 description 1
- 230000009194 climbing Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000007689 inspection Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Landscapes
- Support Of Aerials (AREA)
Abstract
The invention discloses a kind of orientation for telemeasurement mobile base station antenna and the device of tilt angled down, it is made up of preliminary survey mechanism and accurate measurement mechanism；The preliminary survey mechanism includes pedestal and an at least universal bar；The clamping part for being used for fixing accurate measurement mechanism is provided with the pedestal upper surface, is provided with grip part in the lower surface of the pedestal, the universal bar is rotatably fixed on pedestal；The accurate measurement mechanism is level meter or the smart mobile phone for being provided with the display rectangular surveying functional software such as longitude and latitude and weather, outdoor tracking, surveying and mapping tool bag, intelligent compass.The present invention is based on N（N ＞ 3）The principle of one line of point, the accurate measurement to antenna azimuth and angle of declination is realized by adjusting the position of described device and the angle of universal bar, it need not climb up and risky operation is carried out on building or steel tower, with repeatability, it is and easy to be directly perceived, operation difficulty is significantly reduced, improves measurement accuracy, efficiency.
Description
Technical field
The invention belongs to technical field of mapping, is related to a kind of device for measuring aerial angle, can more particularly to one kind
Realize the device of remote accurate measurement aerial angle.
Background technology
With the improvement of people's living condition, increasing equipment will antenna conveying signal, this is with regard to increasing
Pylon antenna is set in construction area, and these pylon antennas would generally be located at higher region or be arranged on the top of building
On, and in order to make to be covered with signal in regional extent, accurate setting can be carried out to the azimuth of each antenna or angle of declination.
Antenna is after mounting, it usually needs periodically carries out review inspection to aerial angle, has preferably to ensure to answer in overlay area
Signal.But review examines aerial angle to need often to climb up to climb down, and not only the operating environment of staff is dangerous, and the effect that works
Rate is low, it is impossible to finds in time and solves problem.
The content of the invention
In order to solve problems of the prior art, the invention discloses a kind of for telemeasurement aerial angle
Device, the especially device of the orientation of telemeasurement mobile base station antenna and tilt angled down, it is capable of the measurement day of fast accurate
Line angle degree, so that engineering viewpoint measurement is more prone to, efficiently.
The technical proposal of the invention is realized in this way：
A kind of device for telemeasurement aerial angle, it is made up of preliminary survey mechanism and accurate measurement mechanism；The preliminary survey machine
Structure includes pedestal and an at least universal bar；The clamping part for being used for fixing accurate measurement mechanism is provided with the pedestal upper surface, in institute
The lower surface for stating pedestal is provided with grip part, and the universal bar is rotatably fixed on pedestal；The accurate measurement mechanism is level meter
Or the intelligence of the display rectangular surveying functional software such as longitude and latitude and weather, outdoor tracking, surveying and mapping tool bag, intelligent compass is installed
Mobile phone.
As a kind of preferred embodiment, the preliminary survey mechanism also includes fan-shaped connector and the affixed screw thread of universal bar
Block and the limited block for fixed thread block（It can be the structure such as one or one group of limited block or U-shaped limited block）, institute
The fixing end for stating fan-shaped connector is connected with pedestal, and the other end of the fan-shaped connector is free end, in the fan-shaped connection
Part is provided with the graduated hole slot of band moved freely for threaded block；Be connected by threaded block with universal bar realize universal bar from
Come bigness scale or azimuth and the angle of declination of antenna are estimated by rotating, and by the scale on the fan-shaped connector.
As a kind of preferred embodiment, at the top of the pedestal or sidepiece is provided with upwards or the slide rail of outwardly convex and can
Along the sliding block of slide rail art skating, the universal bar lower end is hinged on the sliding block.
As a kind of preferred embodiment, the fixing end of the fan-shaped connector is provided with slide opening, in the pedestal upper surface
Provided with the slide bar slided for fan-shaped connector.
Adjusting knob can certainly be added on pedestal, to realize the regulation to universal bar.
As a kind of preferred embodiment, neck that the clamping part is made up of a fixed plate and movable plate；Certainly,
The clamping part is can also be clamping jaw, in order to reduce the damage to accurate measurement mechanism, can on the inside of neck and clamping jaw inner side
And claw is made of soft rubber or silica gel.
As a kind of preferred embodiment, the grip part is the body of rod affixed with pedestal.Wherein, the pedestal and the body of rod
Connected mode have it is a variety of, for convenience store, internal thread groove can be provided with the base bottom, the body of rod upper end is set
There is the external screw thread with groove screw-internal thread fit, both are threadedly coupled；What the pedestal can also be integrally formed with the body of rod.
As a kind of preferred embodiment, two universal bars are provided with the preliminary survey mechanism.
Because electric wire has certain angle and thickness, human eye, universal bar, 4 points of electric wire front-end and back-end or more are utilized
The principle of point point-blank, surveyed by the reading of level meter or the smart mobile phone for being provided with longitude and latitude measurement functional software
It is fixed；Certainly by means of the scale on fan-shaped connector, bigness scale can be carried out to the angle of declination of electric wire, then by accurate measurement mechanism or its
Its precision measurement apparatus obtains the reading of respective wire angle of declination by measuring the angle of universal bar and pedestal.
The present invention the course of work be（By taking two universal bars as an example）：When measuring azimuth, universal bar and pedestal are protected
Device perpendicular to, the mobile present invention is held until human eye, two universal bars, 5 points of electric wire front-end and back-end are on straight line,
The data such as the longitude and latitude that accurate measurement mechanism is shown are exactly the azimuth of respective wire；When measuring angle of declination, make pedestal keep level,
Universal bar is rotated, makes the universal bar of human eye two, 5 points of electric wire front-end and back-end on straight line, and expand as the double of 1: 2 face
Planar registration method, angle of declination can be read roughly from fan-shaped connector, the angle shown in accurate measurement mechanism is respective antenna
Angle of declination, the angle between present apparatus universal bar and pedestal can also be measured, with to electricity by other accurate measurement instruments
Line angle of declination is checked.
The present invention utilizes N's（N ＞ 3）The principle of one line of point, by adjusting the position of described device and the angle of universal bar
To realize the accurate measurement to antenna bearingt and angle of declination, risky operation is carried out on building or steel tower without climbing up, having can
Repeatability, and it is easy to be directly perceived, hence it is evident that operation difficulty is reduced, improves measurement accuracy, efficiency.
Brief description of the drawings
In order to illustrate more clearly about the embodiment of the present invention or technical scheme of the prior art, below will be to embodiment or existing
There is the required accompanying drawing used in technology description to be briefly described, it should be apparent that, drawings in the following description are only this
Some embodiments of invention, for those of ordinary skill in the art, without having to pay creative labor, may be used also
To obtain other accompanying drawings according to these accompanying drawings.
Fig. 1 is the top view of the embodiment of the present invention 1.
Fig. 2 is the side view of the embodiment of the present invention 1.
Fig. 3 is the front view of the embodiment of the present invention 1.
Fig. 4 is the top view of the embodiment of the present invention 2.
Fig. 5 is the side view of the embodiment of the present invention 2.
Fig. 6 is the front view of the embodiment of the present invention 2.
In figure：1st, pedestal；2nd, universal bar；3rd, clamping part；4th, the body of rod；5th, fan-shaped connector；6th, accurate measurement mechanism；11st, slide rail；
12nd, sliding block；13rd, slide bar；21st, threaded block；22nd, limited block；31 fixed plates；32 movable plates.
Embodiment
Below in conjunction with the accompanying drawing in the embodiment of the present invention, the technical scheme in the embodiment of the present invention is carried out clearly and completely
Description, it is clear that described embodiment is only part of the embodiment of the present invention, rather than whole embodiments.Based on this hair
Embodiment in bright, the every other implementation that those of ordinary skill in the art are obtained under the premise of creative work is not made
Example, belongs to the scope of protection of the invention.
Embodiment 1
A kind of device for telemeasurement aerial angle as Figure 1-3, is made up of preliminary survey mechanism and accurate measurement mechanism 6
's；The preliminary survey mechanism includes pedestal 1 and two universal bars 2；It is provided with the upper surface of pedestal 1 and is used to fix accurate measurement mechanism
Clamping part 3, the neck that the clamping part 3 is made up of a fixed plate 31 and movable plate 32, set in the lower surface of the pedestal 1
There is the body of rod（Grip part）4, the body of rod 4 is integrally formed with pedestal 1, and the universal bar 4 is rotatably fixed on pedestal；Its
In, the accurate measurement mechanism 6 is level meter.
Embodiment 2
A kind of device for telemeasurement aerial angle as Figure 4-Figure 6, is made up of preliminary survey mechanism and accurate measurement mechanism 6
's；The preliminary survey mechanism includes 1, two universal bar 2 of pedestal, fan-shaped connector 5 and the affixed threaded block 21 of universal bar 2 and used
In the limited block 22 of fixed thread block；The sidepiece of pedestal 1 be provided with outwardly convex slide rail 11 and can be along the free skating of slide rail 11
Capable sliding block 12, the lower end of universal bar 2 are hinged on the sliding block 12, are provided with the upper surface of pedestal 1 and are used for fixed essence
Survey the clamping part 3 of mechanism, the neck that the clamping part 3 is made up of a fixed plate 31 and movable plate 32；The fan-shaped connection
The fixing end of part 5 is provided with slide opening, and the slide bar 13 slided for fan-shaped connector 5 is provided with the upper surface of pedestal 1.The sector is even
The other end of fitting 5 is free end, on the fan-shaped connector 5 be provided with for threaded block 21 move freely with scale 0 ~
90°（For indicating the angle of universal bar and pedestal）Hole slot；The body of rod 4 is connected through a screw thread with pedestal 1；The accurate measurement machine
Structure 6 is the smart mobile phone for being provided with display longitude and latitude and weather software.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
God any modification, equivalent substitution and improvements made etc., should be included in the scope of the protection with principle.
Claims (10)
- A kind of 1. device for telemeasurement aerial angle, it is characterised in that：It is made up of preliminary survey mechanism and accurate measurement mechanism 's；The preliminary survey mechanism includes pedestal and an at least universal bar；It is provided with the pedestal upper surface and is used to fix accurate measurement mechanism Clamping part, be provided with grip part in the lower surface of the pedestal, the universal bar is rotatably fixed on pedestal；The accurate measurement Mechanism is level meter or the smart mobile phone for being provided with rectangular surveying functional software.
- 2. device as claimed in claim 1, it is characterised in that：The preliminary survey mechanism also includes fan-shaped connector and universal bar Affixed threaded block and the limited block for fixed thread block, the fixing end of the fan-shaped connector are connected with pedestal, the fan The other end of shape connector is free end, and the graduated hole of band moved freely for threaded block is provided with the fan-shaped connector Groove.
- 3. device as claimed in claim 2, it is characterised in that：At the top of the pedestal or sidepiece is provided with upward or outwardly convex Slide rail and can be hinged on along the sliding block of slide rail art skating, the universal bar lower end on the sliding block.
- 4. device as claimed in claim 3, it is characterised in that：The fixing end of the fan-shaped connector is provided with slide opening, described Pedestal upper surface is provided with the slide bar slided for fan-shaped connector.
- 5. device as claimed in claim 1, it is characterised in that：The clamping part is made up of a fixed plate and movable plate Neck.
- 6. device as claimed in claim 1, it is characterised in that：The clamping part is clamping jaw.
- 7. device as claimed in claim 1, it is characterised in that：The grip part is the body of rod affixed with pedestal.
- 8. device as claimed in claim 7, it is characterised in that：The base bottom is provided with internal thread groove, on the body of rod End is provided with the external screw thread with groove screw-internal thread fit.
- 9. device as claimed in claim 7, it is characterised in that：The pedestal is integrally formed with the body of rod.
- 10. the device as described in any in claim 1-9, it is characterised in that：Two universal bars are provided with the preliminary survey mechanism.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710881782.8A CN107576303A (en) | 2017-09-26 | 2017-09-26 | The device of telemeasurement aerial angle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710881782.8A CN107576303A (en) | 2017-09-26 | 2017-09-26 | The device of telemeasurement aerial angle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN107576303A true CN107576303A (en) | 2018-01-12 |
Family
ID=61039444
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710881782.8A Pending CN107576303A (en) | 2017-09-26 | 2017-09-26 | The device of telemeasurement aerial angle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN107576303A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020093631A1 (en) * | 2018-11-06 | 2020-05-14 | 五邑大学 | Antenna downtilt angle measurement method based on depth instance segmentation network |
Citations (22)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4138826A (en) * | 1977-05-17 | 1979-02-13 | Andy Inge | Device for locating celestial bodies |
| US4236313A (en) * | 1979-12-26 | 1980-12-02 | Griffin Roy N Jr | Apparatus for and method of evaluating solar exposure |
| DE3217424A1 (en) * | 1982-05-08 | 1983-11-10 | Schneider & Kern GmbH & Co KG, 7119 Niedernhall | Angulometer as a manual measuring instrument with an electronic measured value display |
| EP0128053A1 (en) * | 1983-04-12 | 1984-12-12 | Societe Electronique De La Region Pays De Loire | Tool for measuring the azimuth angle of an antenna |
| JPH0712919A (en) * | 1993-06-23 | 1995-01-17 | Yuseisho Tsushin Sogo Kenkyusho | Distance measuring method of geostationary satellite |
| JPH09298415A (en) * | 1996-05-01 | 1997-11-18 | Fujita Corp | Antenna angle adjustment method |
| JP3055022U (en) * | 1998-06-16 | 1998-12-22 | 株式会社三和エレック | Antenna azimuth reading board |
| FR2793607A1 (en) * | 1999-05-11 | 2000-11-17 | Cahors App Elec | Mechanical antenna mast support/angular position adjustment having azimuth angle adjustment around vertical axis and second vertical axis fine azimuth angle setting and elevation angle adjustment around horizontal axis. |
| CN2476882Y (en) * | 2001-04-14 | 2002-02-13 | 深圳桑达百利电器有限公司 | Aerial position angular adjustment instrument |
| US6526667B1 (en) * | 2000-07-13 | 2003-03-04 | Wayne Staney | Satellite spacecraft targeting device and method |
| CN201340265Y (en) * | 2009-01-23 | 2009-11-04 | 中国移动通信集团山东有限公司 | Base station antenna angle meter and base station antenna system |
| CN101834347A (en) * | 2010-04-16 | 2010-09-15 | 江苏省东方世纪网络信息有限公司 | Wireless communication antenna attitude automatic detection and control device |
| CN201795791U (en) * | 2010-08-30 | 2011-04-13 | 中国通信建设第二工程局有限公司 | Antenna azimuth angle measuring device |
| CN202737395U (en) * | 2012-08-26 | 2013-02-13 | 张广河 | Closed type mobile communication tower feeder anti-theft protection device |
| US8393086B1 (en) * | 2012-03-15 | 2013-03-12 | Korea Institute Of Geoscience And Mineral Resources | Apparatus for measuring trend and plunge |
| CN103499332A (en) * | 2013-10-15 | 2014-01-08 | 西安电子工程研究所 | Antenna pedestal pitch angle precision measurement device and method for measuring vertical rotational range of radar |
| CN103827631A (en) * | 2011-09-27 | 2014-05-28 | 莱卡地球系统公开股份有限公司 | Measuring system and method for marking a known target point in a coordinate system |
| CN106711607A (en) * | 2015-07-31 | 2017-05-24 | 中国电信股份有限公司 | Remote measuring method and device for antenna azimuth angle and network management system |
| CN206387408U (en) * | 2016-11-30 | 2017-08-08 | 成都天奥测控技术有限公司 | A kind of measurement apparatus at antenna attitude angle |
| CN107101611A (en) * | 2017-05-03 | 2017-08-29 | 安徽信陆电子科技有限公司 | A kind of angle measurement unit and angle regulation method |
| CN207395710U (en) * | 2017-09-26 | 2018-05-22 | 张广河 | A kind of device for telemeasurement aerial angle |
| CN214702207U (en) * | 2021-01-07 | 2021-11-12 | 广东国动网络通信有限公司 | Base station antenna angle measuring equipment |
-
2017
- 2017-09-26 CN CN201710881782.8A patent/CN107576303A/en active Pending
Patent Citations (23)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4138826A (en) * | 1977-05-17 | 1979-02-13 | Andy Inge | Device for locating celestial bodies |
| US4236313A (en) * | 1979-12-26 | 1980-12-02 | Griffin Roy N Jr | Apparatus for and method of evaluating solar exposure |
| DE3217424A1 (en) * | 1982-05-08 | 1983-11-10 | Schneider & Kern GmbH & Co KG, 7119 Niedernhall | Angulometer as a manual measuring instrument with an electronic measured value display |
| EP0128053A1 (en) * | 1983-04-12 | 1984-12-12 | Societe Electronique De La Region Pays De Loire | Tool for measuring the azimuth angle of an antenna |
| JPH0712919A (en) * | 1993-06-23 | 1995-01-17 | Yuseisho Tsushin Sogo Kenkyusho | Distance measuring method of geostationary satellite |
| JPH09298415A (en) * | 1996-05-01 | 1997-11-18 | Fujita Corp | Antenna angle adjustment method |
| JP3055022U (en) * | 1998-06-16 | 1998-12-22 | 株式会社三和エレック | Antenna azimuth reading board |
| FR2793607A1 (en) * | 1999-05-11 | 2000-11-17 | Cahors App Elec | Mechanical antenna mast support/angular position adjustment having azimuth angle adjustment around vertical axis and second vertical axis fine azimuth angle setting and elevation angle adjustment around horizontal axis. |
| US6526667B1 (en) * | 2000-07-13 | 2003-03-04 | Wayne Staney | Satellite spacecraft targeting device and method |
| CN2476882Y (en) * | 2001-04-14 | 2002-02-13 | 深圳桑达百利电器有限公司 | Aerial position angular adjustment instrument |
| CN201340265Y (en) * | 2009-01-23 | 2009-11-04 | 中国移动通信集团山东有限公司 | Base station antenna angle meter and base station antenna system |
| CN101834347A (en) * | 2010-04-16 | 2010-09-15 | 江苏省东方世纪网络信息有限公司 | Wireless communication antenna attitude automatic detection and control device |
| CN201795791U (en) * | 2010-08-30 | 2011-04-13 | 中国通信建设第二工程局有限公司 | Antenna azimuth angle measuring device |
| CN103827631A (en) * | 2011-09-27 | 2014-05-28 | 莱卡地球系统公开股份有限公司 | Measuring system and method for marking a known target point in a coordinate system |
| US8393086B1 (en) * | 2012-03-15 | 2013-03-12 | Korea Institute Of Geoscience And Mineral Resources | Apparatus for measuring trend and plunge |
| CN103308033A (en) * | 2012-03-15 | 2013-09-18 | 韩国地质资源研究院 | Apparatus for measuring trend and plunge |
| CN202737395U (en) * | 2012-08-26 | 2013-02-13 | 张广河 | Closed type mobile communication tower feeder anti-theft protection device |
| CN103499332A (en) * | 2013-10-15 | 2014-01-08 | 西安电子工程研究所 | Antenna pedestal pitch angle precision measurement device and method for measuring vertical rotational range of radar |
| CN106711607A (en) * | 2015-07-31 | 2017-05-24 | 中国电信股份有限公司 | Remote measuring method and device for antenna azimuth angle and network management system |
| CN206387408U (en) * | 2016-11-30 | 2017-08-08 | 成都天奥测控技术有限公司 | A kind of measurement apparatus at antenna attitude angle |
| CN107101611A (en) * | 2017-05-03 | 2017-08-29 | 安徽信陆电子科技有限公司 | A kind of angle measurement unit and angle regulation method |
| CN207395710U (en) * | 2017-09-26 | 2018-05-22 | 张广河 | A kind of device for telemeasurement aerial angle |
| CN214702207U (en) * | 2021-01-07 | 2021-11-12 | 广东国动网络通信有限公司 | Base station antenna angle measuring equipment |
Non-Patent Citations (1)
| Title |
|---|
| 姚劲松;: "板状天线下倾角测量工具的设计", 中国设备工程 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2020093631A1 (en) * | 2018-11-06 | 2020-05-14 | 五邑大学 | Antenna downtilt angle measurement method based on depth instance segmentation network |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| US20150260513A1 (en) | Antenna attitude measurement sensor and antenna attitude measurement method | |
| US6897828B2 (en) | Antenna alignment system | |
| CN201081728Y (en) | Auxiliary satellite positioning device for portable satellite antenna | |
| CN108981661A (en) | The measuring device and measuring method of spheric and atmospheric aberration are eliminated in trigonometric levelling | |
| CN207395710U (en) | A kind of device for telemeasurement aerial angle | |
| CN107576303A (en) | The device of telemeasurement aerial angle | |
| CN208888272U (en) | The wind direction and angle measurement device of hull painting and spraying house wind balance | |
| CN102013546A (en) | Base station antenna | |
| CN111426304B (en) | Accurate attitude positioning method based on vision, satellite positioning and GIS algorithm | |
| CN109613567A (en) | A kind of grounding net of transformer substation test electrode position indicator based on Global Satellite Navigation System | |
| CN109425325A (en) | A kind of multi-rise building object inclination measurement method | |
| CN201853794U (en) | Base station antenna | |
| CN104931021A (en) | Crack multi-parameter observation device based on close-range photogrammetry | |
| CN104154900A (en) | Hand-held horizontal verticality measuring tool | |
| CN201795791U (en) | Antenna azimuth angle measuring device | |
| CN204885997U (en) | Line appearance is patrolled to portable multi -functional intelligence with solid function of making a video recording | |
| CN202757622U (en) | Data calculation system | |
| CN206369811U (en) | A kind of high-precision deformation monitoring device positioned based on the Big Dipper | |
| CN209727117U (en) | Steel tower holder orientation calibrating installation based on meteorological observation | |
| CN115183104A (en) | Monocular camera-based AR vision lofting device and vision lofting method thereof | |
| CN213274210U (en) | Height difference monitor for swivel beam construction | |
| CN210294318U (en) | North-seeking check gauge | |
| CN106441228A (en) | Antenna attitude angle measuring method | |
| CN209230474U (en) | A kind of tree breast-height diameter device | |
| CN105547238B (en) | A kind of altitude of the sun rapid measurement device and the localization method based on the device |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20180112 |