CN112856137B - Surveying instrument support for geographic information science - Google Patents
Surveying instrument support for geographic information science Download PDFInfo
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- CN112856137B CN112856137B CN202110168561.2A CN202110168561A CN112856137B CN 112856137 B CN112856137 B CN 112856137B CN 202110168561 A CN202110168561 A CN 202110168561A CN 112856137 B CN112856137 B CN 112856137B
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- surveying instrument
- bracing piece
- backup pad
- geographic information
- information science
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- 238000013508 migration Methods 0.000 claims abstract 3
- 230000005012 migration Effects 0.000 claims abstract 3
- 230000005540 biological transmission Effects 0.000 claims description 10
- 238000009434 installation Methods 0.000 claims description 9
- 230000007246 mechanism Effects 0.000 claims description 8
- 238000000034 method Methods 0.000 abstract description 3
- 239000002689 soil Substances 0.000 abstract description 3
- 238000013461 design Methods 0.000 abstract description 2
- 230000002349 favourable effect Effects 0.000 abstract 1
- 230000001737 promoting effect Effects 0.000 abstract 1
- 238000005259 measurement Methods 0.000 description 7
- 238000010586 diagram Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- CPBQJMYROZQQJC-UHFFFAOYSA-N helium neon Chemical compound [He].[Ne] CPBQJMYROZQQJC-UHFFFAOYSA-N 0.000 description 1
- 238000007726 management method Methods 0.000 description 1
- 238000013507 mapping Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 230000002035 prolonged effect Effects 0.000 description 1
- 239000011435 rock Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
- 238000012876 topography Methods 0.000 description 1
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Classifications
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/04—Means for attachment of apparatus; Means allowing adjustment of the apparatus relatively to the stand
- F16M11/043—Allowing translations
- F16M11/046—Allowing translations adapted to upward-downward translation movement
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/02—Heads
- F16M11/18—Heads with mechanism for moving the apparatus relatively to the stand
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16M—FRAMES, CASINGS OR BEDS OF ENGINES, MACHINES OR APPARATUS, NOT SPECIFIC TO ENGINES, MACHINES OR APPARATUS PROVIDED FOR ELSEWHERE; STANDS; SUPPORTS
- F16M11/00—Stands or trestles as supports for apparatus or articles placed thereon ; Stands for scientific apparatus such as gravitational force meters
- F16M11/20—Undercarriages with or without wheels
- F16M11/24—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other
- F16M11/26—Undercarriages with or without wheels changeable in height or length of legs, also for transport only, e.g. by means of tubes screwed into each other by telescoping, with or without folding
- F16M11/32—Undercarriages for supports with three or more telescoping legs
- F16M11/36—Members preventing slipping of the feet
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02E—REDUCTION OF GREENHOUSE GAS [GHG] EMISSIONS, RELATED TO ENERGY GENERATION, TRANSMISSION OR DISTRIBUTION
- Y02E10/00—Energy generation through renewable energy sources
- Y02E10/50—Photovoltaic [PV] energy
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- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Orthopedics, Nursing, And Contraception (AREA)
- Details Of Measuring And Other Instruments (AREA)
Abstract
The invention discloses a surveying instrument support for geographic information science, which relates to the field of geographic information science and mainly aims to solve the problems that when the traditional surveying instrument support is used, the surveying instrument support is arranged above a control point approximately, a leg support is inserted into the ground, then the surveying instrument is opened to perform laser downward pointing, the distance between the center of the surveying instrument support and the control point is checked by using the laser, and a supporting leg is pulled out of the soil to be adjusted, so that the position of the supporting leg needs to be adjusted for many times, the operation process is complicated, and the operation is inconvenient; this surveying instrument support for geographic information science, including the backup pad, evenly install three bracing piece in the backup pad, three the bracing piece is all articulated with the backup pad, the bracing piece inboard is provided with two guide blocks, fixed cover is installed to the bracing piece bottom, be provided with set screw on the fixed cover. This design utilizes the horizontal migration of three servo motor control mounting panel, avoids installing fixed equipment many times, and easy operation is favorable to promoting on a large scale.
Description
Technical Field
The invention relates to the field of geographic information science, in particular to a surveying instrument bracket for geographic information science.
Background
The surveying instrument is simply the instrument and device for collecting, processing and outputting data designed and manufactured for surveying operation. The instrument is used for various orientations, ranging, angle measurement, height measurement, mapping, photogrammetry and other aspects required by measurement work in the planning design, construction and management phases of engineering construction. According to JJG100 specification, the total station is also called an electronic tachometer, and consists of an electronic theodolite, an electromagnetic wave distance meter, a microcomputer, a program module, a memory and an automatic recording device, and is a multifunctional electronic measuring instrument for rapidly measuring distance, measuring angle, calculating, recording and the like. There are two types, integral and combined. The integral electronic tachometer is an integral combination of all functional components, can automatically display the inclined distance and the angle, automatically reduce and display the flat distance, the height difference and the coordinate increment, and has higher degree of automation. The combined electronic tachometer, namely the electronic theodolite, the electromagnetic wave distance meter, the computer and the drawing equipment and the like are combined according to the requirement, so that the combined electronic tachometer has higher automation characteristic and higher flexibility. The electronic tachometer is suitable for engineering measurement and large scale topography measurement. The system can provide analysis data for establishing a digital ground model, so that ground measurement tends to be automatic, and tracking measurement can be carried out on a movable target, for example, for observing the track of a ship entering and exiting a port in port engineering, various measuring instruments with laser transmitters are arranged. More of these instruments have in common that a helium-neon laser is connected to a telescope, and a laser beam is directed into the telescope barrel and coincides with the collimation axis.
When the existing surveying instrument support is used, the surveying instrument support is approximately arranged right above the control point, the leg is supported and inserted into the ground, then the surveying instrument is opened to be at a lower point, the distance between the center of the surveying instrument support and the control point is checked by using laser, the supporting legs are pulled out from the soil to be adjusted, the position of the supporting legs needs to be adjusted for many times in the process, the operation process is complex, and the operation is inconvenient.
Disclosure of Invention
The invention aims to provide a surveying instrument support for geographic information science, which utilizes three groups of servo motors to control the horizontal movement of a mounting plate, avoids the repeated installation of fixed equipment, is simple to operate, is beneficial to large-scale popularization, is provided with a pedal at the upper end of a fixed nail, is convenient for inserting equipment into the way by means of foot force, enhances the stability of the equipment, prevents shaking during use, and adopts hinge connection between a support rod and a support plate, so that the equipment is convenient to fold and store.
In order to achieve the above purpose, the present invention provides the following technical solutions:
the utility model provides a surveying instrument support for geographic information science, includes the backup pad, evenly install three bracing piece in the backup pad, three the bracing piece all articulates with the backup pad, the bracing piece inboard is provided with two guide blocks, the fixed sleeve is installed to the bracing piece bottom, be provided with set screw on the fixed sleeve, install the telescopic link in the bracing piece, the telescopic link both sides are provided with the guide way, guide way and guide block sliding connection, the telescopic link slides in the bracing piece, the staple is installed to the telescopic link bottom, be provided with three adjustment mechanism in the backup pad, adjustment mechanism is including setting up the guiding axle in the backup pad, the motor mounting panel is installed on the guiding axle top, be provided with servo motor on the motor mounting panel, the transmission lead screw is installed to the servo motor output, be provided with the slider on the transmission lead screw threaded connection, the slider slides perpendicularly on the guiding axle, install the installation piece in the installation piece, the axis of rotation, the hinge is all installed at both ends, two on the hinge axle all be provided with the connecting rod, evenly install three adjustment plates in the connecting axle, the connecting panel is installed to the connecting rod, three equal side of the connecting panel.
Based on the technical scheme, the invention also provides the following optional technical schemes:
in one alternative: the fixed knob is installed on the set screw, the outside of the fixed knob is evenly provided with the cylinder arch, and the cylinder arch on the fixed knob is used for increasing the frictional force of hand and knob, is convenient for fix bracing piece and telescopic link.
In one alternative: the pedal is installed to the staple upper end, is convenient for insert equipment on the way with the help of foot's strength, strengthens equipment's stability, rocks when preventing to use.
In one alternative: the fixing nails are in threaded connection with the telescopic rods, so that the fixing nails can be replaced conveniently; the outside of the fixed nail is provided with a spiral groove for increasing the grabbing force of the fixed nail.
In one alternative: install the spirit level in the backup pad for adjustment equipment levelness, the installation of the support of being convenient for is adjusted, reduces the installation degree of difficulty of support.
In one alternative: and a control box is arranged on the supporting rod.
In one alternative: the control box is electrically connected with the servo motor, and the operation control box controls the starting and the rotation reversal of the motor.
Compared with the prior art, the invention has the following beneficial effects:
1. when the three groups of adjusting mechanisms respectively move, the servo motor rotates the sliding block to move up and down, the sliding block drives the sliding plate to move left and right through the adjusting connecting rods hinged to the two ends of the rotating shaft, the three groups of adjusting mechanisms all control the sliding plate to keep horizontal all the time through hinging with the connecting shaft, and the sliding plate drives the installation panel to move horizontally through the two supporting blocks;
2. when the three groups of servo motors rotate simultaneously, the servo motors control the sliding plate to move up and down through the up-and-down movement of the sliding block, and the sliding plate drives the mounting panel to move up and down to conduct height fine adjustment, so that the fine adjustment operation is simple and convenient to use;
3. the fixing nails are connected with the telescopic rods through threads, so that the fixing nails are convenient to replace, and the service life of the bracket is prolonged by replacing worn fixing nails;
4. the support rod and the telescopic rod are fixedly connected through the fixing sleeve and the fixing screw, so that the overall height of the support and the levelness of the support can be conveniently adjusted, and meanwhile, the fixing knob is arranged on the fixing screw, so that the fixing knob can be conveniently rotated;
5. the support rod is hinged with the support plate so as to facilitate folding and storage of the equipment, save space and facilitate carrying and storage.
Drawings
Fig. 1 is a schematic structural diagram of a surveying instrument holder for geographic information science.
Fig. 2 is a schematic structural diagram of a surveying instrument holder for geographic information science in fig. 1.
Fig. 3 is a schematic structural diagram of B in fig. 2 of a surveying instrument holder for geographic information science.
Fig. 4 is a schematic structural view of the support bar of fig. 1 of a surveying instrument holder for geographic information science.
Fig. 5 is a schematic structural view of the telescopic rod of fig. 1 of a surveying instrument holder for geographic information science.
Fig. 6 is a schematic structural view of the sliding plate of the surveying instrument holder of fig. 1 for geographic information science.
Reference numerals annotate: the pedal comprises a supporting rod 1, a telescopic rod 2, a pedal 3, a fixed nail 4, a fixed knob 5, a supporting plate 6, a guide shaft 7, a mounting panel 8, a servo motor 9, a fixed sleeve 10, a fixed screw 11, a guide block 12, a guide groove 13, a supporting block 14, a sliding plate 15, a connecting block 16, a motor mounting plate 17, a transmission screw rod 18, a sliding block 19, an adjusting connecting rod 20, a connecting shaft 21, a mounting block 22, a rotating shaft 23, a laser avoiding hole 24, a control box 25, a hinge shaft 26 and a level 27.
Detailed Description
The present invention will be described in detail below with reference to the drawings, in which like or identical parts are given the same reference numerals, and in which the shape, thickness or height of each component may be enlarged or reduced in practical use. The examples set forth herein are intended to be illustrative of the invention and are not intended to limit the scope of the invention. Any obvious modifications or alterations to the invention, as would be apparent, are made without departing from the spirit and scope of the present invention.
Example 1
Referring to fig. 1-6, in the embodiment of the invention, a surveying instrument bracket for geographic information science comprises a supporting plate 6, three supporting rods 1 are uniformly arranged on the supporting plate 6, three supporting rods 1 are hinged with the supporting plate 6, two guide blocks 12 are arranged on the inner side of the supporting rod 1, a fixing sleeve 10 is arranged at the bottom of the supporting rod 1, a fixing screw 11 is arranged on the fixing sleeve 10, a telescopic rod 2 is arranged in the supporting rod 1, guide grooves 13 are arranged on two sides of the telescopic rod 2, the guide grooves 13 are in sliding connection with the guide blocks 12, the telescopic rod 2 slides in the supporting rod 1, a fixing nail 4 is arranged at the bottom of the telescopic rod 2, three adjusting mechanisms are arranged on the supporting plate 6, each adjusting mechanism comprises a guide shaft 7 arranged on the supporting plate 6, a motor mounting plate 17 is arranged at the top end of the guide shaft 7, the servo motor 9 is arranged on the motor mounting plate 17, the transmission screw rod 18 is arranged at the output end of the servo motor 9, the sliding block 19 is arranged on the transmission screw rod 18, the sliding block 19 is in threaded connection with the transmission screw rod 18, the sliding block 19 vertically slides on the guide shaft 7, the sliding block 19 is provided with a mounting block 22, a rotating shaft 23 is arranged in the mounting block 22, both ends of the rotating shaft 23 are provided with hinging shafts 26, two hinging shafts 26 are provided with adjusting connecting rods 20, a sliding plate 15 is arranged above the supporting plate 6, three connecting blocks 16 are uniformly arranged on the outer side of the sliding plate 15, connecting shafts 21 are arranged in the connecting blocks 16, the connecting shafts 21 are hinged with the adjusting connecting rods 20, two supporting blocks 14 are arranged on the sliding plate 15, the mounting panel 8 is arranged on the supporting blocks 14, the utility model discloses a fixing device for a bicycle, including installation panel 8, fixed screw, fixing plate 8 middle part is provided with laser dodge hole 24, install fixed knob 5 on the fixing screw 11, the fixed knob 5 outside evenly is provided with the cylinder arch, pedal 3 is installed to fixed nail 4 upper end, fixed nail 4 and telescopic link 2 threaded connection rotate fixed nail 4 and break away from telescopic link 2 when changing fixed nail 4, the fixed nail 4 outside is provided with spiral groove, increases the grip of fixed nail 4, install level gauge 27 on the backup pad 6, judge the levelness of support through watching level gauge 27.
Example 2
Referring to fig. 1, the difference between the embodiment of the present invention and the embodiment 1 is that a control box 25 is installed on the support rod 1, the control box 25 is electrically connected with the servo motors 9, and the start and the forward and reverse rotation of the three servo motors 9 are controlled by the control box 25.
The working principle of the invention is as follows:
when in use, the telescopic rod 2 is pulled out to a proper length from the support rod 1, the fixing knob 5 is rotated to drive the fixing screw 11 to rotate, the fixing screw 11 is tightly contacted with the telescopic rod 2 to limit the telescopic rod 2 to slide, the support is approximately placed at the center of a control point, the pedal 3 is pressed down by feet to enable the fixing nail 4 to be submerged in the soil, the level gauge 27 is observed to check the levelness of the support, the fixing knob 5 is rotated to adjust the matched length of the support rod 1 and the telescopic rod 2, after the level adjustment of the support is completed, the fixing knob 5 is rotated to fasten the support rod 1 and the telescopic rod 2 together, the measuring instrument is installed on the installation panel 8, the measuring instrument emits laser downwards, the distance between the laser point and the control point is observed, the operation control box 25 controls the operation of three groups of adjusting structures, the control box 25 controls the servo motor 9 to rotate, the servo motor 9 drives the transmission screw rod 18 to rotate, the transmission screw rod 18 drives the sliding block 19 to move up and down along the guide shaft 7, the sliding block 19 drives the sliding plate 15 to move horizontally through the two adjusting connecting rods 20, the supporting block 14 is arranged above the sliding plate 15, the mounting panel 8 is fixed on the supporting block 14, the sliding plate 15 drives the mounting panel 8 to move horizontally through the supporting block 14, the center of the measuring instrument coincides with a control point, when three groups of servo motors 9 rotate simultaneously, the three groups of sliding blocks 19 are driven to move up and down by the same distance, the three groups of sliding blocks 19 drive the three groups of sliding plates 15 to move up and down through the adjusting connecting rods 20, and the sliding plate 15 drives the mounting panel 8 to move up and down through the supporting block 14, so that the height of the measuring instrument is finely adjusted.
The foregoing is merely specific embodiments of the disclosure, but the protection scope of the disclosure is not limited thereto, and any person skilled in the art can easily think about changes or substitutions within the technical scope of the disclosure, and it is intended to cover the scope of the disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.
Claims (4)
1. The utility model provides a surveying instrument support for geographic information science, includes backup pad (6), its characterized in that, evenly install three bracing piece (1) on backup pad (6), three bracing piece (1) all articulates with backup pad (6), bracing piece (1) inboard is provided with two guiding block (12), fixed sleeve (10) are installed to bracing piece (1) bottom, be provided with set screw (11) on fixed sleeve (10), install telescopic link (2) in bracing piece (1), telescopic link (2) both sides are provided with guide way (13), guide way (13) and guiding block (12) sliding connection, telescopic link (2) slide in bracing piece (1), staple (4) are installed to telescopic link (2) bottom, be provided with three adjustment mechanism on backup pad (6), adjustment mechanism is including guiding axle (7) of setting on backup pad (6), motor mounting panel (17) are installed on the top, be provided with servo motor (9) on motor (17), output screw (18) are installed to output end (18) and are connected with screw (19) on slider (18), the automatic leveling device comprises a guide shaft (7), a sliding block (19) and a control box (25), wherein the sliding block (19) vertically slides on the guide shaft (7), a mounting block (22) is mounted on the sliding block (19), a rotating shaft (23) is arranged in the mounting block (22), two ends of the rotating shaft (23) are respectively provided with a hinging shaft (26), two hinging shafts (26) are respectively provided with an adjusting connecting rod (20), a sliding plate (15) is arranged above a supporting plate (6), three connecting blocks (16) are uniformly mounted on the outer side of the sliding plate (15), connecting shafts (21) are respectively arranged in the three connecting blocks (16), the connecting shafts (21) are hinged with the adjusting connecting rods (20), two supporting blocks (14) are arranged on the sliding plate (15), a mounting panel (8) is mounted on the supporting block (14), a laser avoidance hole (24) is formed in the middle of the mounting panel (8), a control box (25) is electrically connected with a servo motor (9), and a leveling instrument (27) is mounted on the supporting plate (6). One of them servo motor (9) of control box (25) control rotates, and servo motor (9) drive transmission lead screw (18) rotate, and transmission lead screw (18) drive slider (19) up-and-down motion along guiding axle (7), slider (19) drive sliding plate (15) horizontal migration through two adjusting connection bars (20), and sliding plate (15) drive installation panel (8) through supporting shoe (14) and carry out horizontal migration.
2. The surveying instrument holder for geographic information science according to claim 1, wherein the fixing screw (11) is provided with a fixing knob (5), and cylindrical protrusions are uniformly arranged on the outer side of the fixing knob (5).
3. The surveying instrument holder for geographical information science according to claim 1, wherein the pedal (3) is mounted at the upper end of the fixing pin (4).
4. The surveying instrument holder for geographic information science according to claim 1, wherein the fixing nail (4) is in threaded connection with the telescopic rod (2), and a spiral groove is formed in the outer side of the fixing nail (4).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110168561.2A CN112856137B (en) | 2021-02-07 | 2021-02-07 | Surveying instrument support for geographic information science |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110168561.2A CN112856137B (en) | 2021-02-07 | 2021-02-07 | Surveying instrument support for geographic information science |
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| Publication Number | Publication Date |
|---|---|
| CN112856137A CN112856137A (en) | 2021-05-28 |
| CN112856137B true CN112856137B (en) | 2023-06-20 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202110168561.2A Active CN112856137B (en) | 2021-02-07 | 2021-02-07 | Surveying instrument support for geographic information science |
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Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113432626B (en) * | 2021-07-22 | 2024-01-26 | 中建安装集团有限公司 | Prism calibration leveling simple device |
| CN114087506B (en) * | 2021-12-03 | 2023-07-25 | 龙岩学院 | A survey and drawing support that is used for land survey and drawing have location structure |
| CN114396550B (en) * | 2022-01-12 | 2023-05-30 | 方圆 | RTK measuring rod for measuring facility agricultural land |
| CN114562644B (en) * | 2022-02-28 | 2023-07-21 | 南通天正信息技术服务有限公司 | Improved triangular bracket for map mapping |
Family Cites Families (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB545748A (en) * | 1941-04-22 | 1942-06-10 | Aldis Brothers Ltd | Improvements relating to mountings for signalling, surveying or other like apparatus |
| US20180094751A1 (en) * | 2016-09-30 | 2018-04-05 | Level 3 Communications, Llc | Elevated cable support structure |
| CN109986103A (en) * | 2017-12-29 | 2019-07-09 | 林太霖 | Drilling equipment is used in a kind of processing of component of machine |
| CN208735197U (en) * | 2018-08-10 | 2019-04-12 | 平湖市佳诚房地产测绘有限公司 | A kind of engineering instrument of surveying and mapping adjustment device |
| CN108825969A (en) * | 2018-08-22 | 2018-11-16 | 四川皓程蓝图科技信息有限公司 | A kind of surveying instrument support frame |
| CN210219087U (en) * | 2019-04-08 | 2020-03-31 | 遵义师范学院 | Mapping device for geotechnical engineering |
| CN210196854U (en) * | 2019-07-25 | 2020-03-27 | 邵伟 | Mapping support device for city planning |
| CN211475392U (en) * | 2019-11-25 | 2020-09-11 | 四川德阳中地测绘规划有限公司 | Instrument support levelling mechanism for land surveying and mapping |
| CN211475395U (en) * | 2020-01-13 | 2020-09-11 | 柴伟杰 | Portable tripod for mapping engineering |
| CN111853486A (en) * | 2020-07-24 | 2020-10-30 | 徐月美 | Leveling device for mechanical equipment |
| CN112303406A (en) * | 2020-10-29 | 2021-02-02 | 铜仁学院 | Surveying and mapping tool fixing support |
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2021
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| CN112856137A (en) | 2021-05-28 |
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Effective date of registration: 20230519 Address after: Room 1927, Building B1, No. 15 Chuangxin Avenue, Ningxi Street, Zengcheng District, Guangzhou City, Guangdong Province, 511300 Applicant after: Guangzhou Shengxin Information Technology Co.,Ltd. Address before: 266000 201, unit 2, No. 40, Inner Mongolia road, Shibei District, Qingdao City, Shandong Province Applicant before: Zhou Yongsheng |
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