CN112856137A - Surveying instrument support for geographic information science - Google Patents
Surveying instrument support for geographic information science Download PDFInfo
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- CN112856137A CN112856137A CN202110168561.2A CN202110168561A CN112856137A CN 112856137 A CN112856137 A CN 112856137A CN 202110168561 A CN202110168561 A CN 202110168561A CN 112856137 A CN112856137 A CN 112856137A
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- Prior art keywords
- surveying instrument
- support
- information science
- bracing piece
- geographic information
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- 230000005540 biological transmission Effects 0.000 claims description 10
- 230000007246 mechanism Effects 0.000 claims description 7
- 238000009434 installation Methods 0.000 abstract description 7
- 238000000034 method Methods 0.000 abstract description 4
- 239000002689 soil Substances 0.000 abstract description 3
- 230000002349 favourable effect Effects 0.000 abstract 1
- 238000013508 migration Methods 0.000 abstract 1
- 230000005012 migration Effects 0.000 abstract 1
- 230000001737 promoting effect Effects 0.000 abstract 1
- 238000005259 measurement Methods 0.000 description 9
- 238000010586 diagram Methods 0.000 description 4
- 238000013507 mapping Methods 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000010276 construction Methods 0.000 description 2
- 238000006467 substitution reaction Methods 0.000 description 2
- 239000002131 composite material Substances 0.000 description 1
- 230000035558 fertility Effects 0.000 description 1
- 230000006870 function 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
- 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
Images
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)
- Details Of Measuring And Other Instruments (AREA)
- Orthopedics, Nursing, And Contraception (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 conventional surveying instrument support is used, the surveying instrument support is roughly arranged right above a control point, a leg support is inserted into the ground, then a laser lower counter point of a surveying instrument is opened, the distance between the center of the surveying instrument support and the control point is checked by using laser, a supporting leg is pulled out of the soil for adjustment, the position of the supporting leg needs to be adjusted for many times in the process, 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, it is three the bracing piece all is articulated with the backup pad, the bracing piece inboard is provided with two guide blocks, fixed cover is installed to the bracing piece bottom, fixed sheathe in and is provided with set screw. This design utilizes the horizontal migration of three servo motor control mounting panels of group, avoids a lot of installation fixed equipment, 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 and mapping instrument support for the geographic information science.
Background
Surveying instruments, in short, are instruments and devices for data acquisition, processing, output, etc. designed and manufactured for surveying and mapping operations. In engineering construction, various instruments in aspects of orientation, distance measurement, angle measurement, height measurement, mapping, photogrammetry and the like are required for measurement in planning and designing, construction and operation management stages. According to the JJG100 specification, the total station is also called an electronic tacheometer, and is composed of an electronic theodolite, an electromagnetic wave distance meter, a microcomputer, a program module, a memory and an automatic recording device, and the electronic measuring instrument can rapidly perform the functions of distance measurement, angle measurement, calculation, recording and the like. There are two types, monolithic and composite. The integral electronic tacheometer is an integral combination of all functional parts, can automatically display the slant distance and the angle, automatically reduces and displays the horizontal distance, the height difference and the coordinate increment, and has higher automation degree. The combined electronic tacheometer, i.e. electronic theodolite, electromagnetic wave distance meter, computer and drawing equipment, is combined according to the requirements, and has not only higher automation characteristic but also greater flexibility. The electronic tacheometer is suitable for engineering measurement and large-scale topographic survey. The system can provide analytic data for establishing a digital ground model, so that ground measurement tends to be automatic, and tracking measurement can be performed on a moving target, such as track observation of ships entering and exiting a port in port engineering and various measuring instruments provided with laser transmitters. The common point of many instruments is that a helium-neon laser is connected with a telescope, and a laser beam is guided into a telescope tube and is superposed with a collimation axis.
When using, the existing surveying instrument support is generally arranged right above a control point, the leg support is inserted into the ground, then the lower counter point of the laser of the surveying instrument is opened, the distance between the center of the surveying instrument support and the control point is checked by utilizing the laser, the supporting leg is extracted from the soil to be adjusted, the supporting leg position is required to be adjusted for a plurality of times in the process, and the operation process is complex and 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 mounting and fixing equipment for many times, is simple to operate and beneficial to wide-range popularization, a pedal is mounted at the upper end of a fixing nail, the equipment can be conveniently inserted in the way by means of foot strength, the stability of the equipment is enhanced, the shaking during use is prevented, and the support rod and the support plate are hinged to facilitate the folding and the storage of the equipment.
In order to achieve the purpose, the invention provides the following technical scheme:
a surveying instrument bracket for geographic information science comprises a supporting plate, wherein three supporting rods are uniformly arranged on the supporting plate and are hinged with the supporting plate, two guide blocks are arranged on the inner sides of the supporting rods, a fixing sleeve is arranged at the bottom of each supporting rod, a fixing screw is arranged on each fixing sleeve, a telescopic rod is arranged in each supporting rod, guide grooves are formed in two sides of each telescopic rod and are in sliding connection with the guide blocks, each telescopic rod slides in each supporting rod, a fixing nail is arranged at the bottom of each telescopic rod, three adjusting mechanisms are arranged on the supporting plate and comprise guide shafts arranged on the supporting plate, a motor mounting plate is arranged at the top end of each guide shaft, a servo motor is arranged on each motor mounting plate, a transmission lead screw is arranged at the output end of each servo motor, a sliding block is arranged, the laser guide rail is characterized in that the sliding block is in threaded connection with the transmission lead screw, the sliding block vertically slides on the guide shaft, an installation block is installed on the sliding block, a rotating shaft is arranged in the installation block, hinged shafts are installed at two ends of the rotating shaft, adjusting connecting rods are arranged on the hinged shafts, a sliding plate is arranged above the supporting plate, three connecting blocks are evenly installed on the outer side of the sliding plate, the connecting blocks are three, connecting shafts are arranged in the connecting blocks, the connecting shafts are hinged to the adjusting connecting rods, two supporting blocks are arranged on the sliding plate, an installation panel is installed on the supporting blocks, and a laser avoiding hole is.
On the basis of the technical scheme, the invention also provides the following optional technical scheme:
in one alternative: the fixing screw is provided with a fixing knob, the outer side of the fixing knob is evenly provided with a cylindrical protrusion, and the cylindrical protrusion on the fixing knob is used for increasing the friction force between a hand and the knob, so that the supporting rod and the telescopic rod can be fixed conveniently.
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 the stability of equipment, rocks when preventing to use.
In one alternative: the fixing nail is in threaded connection with the telescopic rod so as to be convenient for replacing the fixing nail; the outside of the fixing nail is provided with a spiral groove for increasing the ground grabbing force of the fixing nail.
In one alternative: install the spirit level in the backup pad for the 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 the support rod is provided with a control box.
In one alternative: the control box is electrically connected with the servo motor, and the control box is operated to control the starting and the rotating and reversing of the motor.
Compared with the prior art, the invention has the following beneficial effects:
1. when the three groups of adjusting mechanisms move respectively, 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 be always kept horizontal through being hinged to the connecting shaft, and the sliding plate drives the mounting panel to move horizontally through the two supporting blocks;
2. when the three groups of servo motors rotate simultaneously, the servo motors control the up-and-down movement of the sliding plate through the up-and-down movement of the sliding block, and the sliding plate drives the mounting panel to move up and down for fine adjustment of height, so that the fine adjustment operation is simple and the use is convenient;
3. the fixing nails are in threaded connection with the telescopic rods, so that the fixing nails can be conveniently replaced, and the service life of the support is prolonged by replacing worn fixing nails;
4. the support rod and the telescopic rod are fixedly connected through a fixing sleeve and a fixing screw, so that the overall height of the support and the levelness of the support can be conveniently adjusted, and meanwhile, a fixing knob is arranged on the fixing screw, so that the fixing knob can be conveniently rotated;
5. the support rod and the support plate are hinged, so that the equipment can be folded and stored conveniently, the space is saved, and the carrying and the storage are convenient.
Drawings
Fig. 1 is a schematic structural diagram of a surveying instrument support for geographic information science.
Fig. 2 is a schematic structural diagram of a mapper bracket for geographic information science in fig. 1.
Fig. 3 is a schematic structural diagram of a mapper bracket B in fig. 2 for geographic information science.
Fig. 4 is a schematic structural diagram of a support rod in fig. 1 of a surveying instrument support for geographic information science.
Fig. 5 is a schematic structural view of the telescopic rod in the surveying instrument bracket for geographic information science in fig. 1.
Fig. 6 is a schematic structural view of the sliding plate of the surveying instrument bracket for geographical information science in fig. 1.
Notations for reference numerals: the device comprises a support rod 1, an expansion link 2, a pedal 3, a fixing nail 4, a fixing knob 5, a support plate 6, a guide shaft 7, a mounting panel 8, a servo motor 9, a fixing sleeve 10, a fixing screw 11, a guide block 12, a guide groove 13, a support 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 gauge 27.
Detailed Description
The present invention will be described in detail with reference to the following embodiments, wherein like or similar elements are designated by like reference numerals throughout the several views, and wherein the shape, thickness or height of the various elements may be expanded or reduced in practice. The examples are given solely for the purpose of illustration and are not intended to limit the scope of the invention. Any obvious modifications or variations can be made to the present invention without departing from the spirit or scope of the present invention.
Example 1
Referring to fig. 1 to 6, in the embodiment of the present invention, a surveying instrument support for geographic information science includes a support plate 6, three support rods 1 are uniformly installed on the support plate 6, the three support rods 1 are all hinged to the support plate 6, two guide blocks 12 are disposed inside the support rods 1, a fixing sleeve 10 is installed at the bottom of the support rods 1, fixing screws 11 are disposed on the fixing sleeve 10, telescopic rods 2 are installed inside the support rods 1, guide grooves 13 are disposed on two sides of the telescopic rods 2, the guide grooves 13 are slidably connected with the guide blocks 12, the telescopic rods 2 slide inside the support rods 1, fixing nails 4 are installed at the bottom of the telescopic rods 2, three adjusting mechanisms are disposed on the support plate 6, the adjusting mechanisms include guide shafts 7 disposed on the support plate 6, motor mounting plates 17 are installed at the top ends of the guide shafts 7, the laser guide rail structure is characterized in that a servo motor 9 is arranged on the motor mounting plate 17, a transmission lead screw 18 is mounted at the output end of the servo motor 9, a slide block 19 is arranged on the transmission lead screw 18, the slide block 19 is in threaded connection with the transmission lead screw 18, the slide block 19 vertically slides on the guide shaft 7, a mounting block 22 is mounted on the slide block 19, a rotating shaft 23 is arranged in the mounting block 22, hinge shafts 26 are mounted at two ends of the rotating shaft 23, adjusting connecting rods 20 are arranged on two hinge shafts 26, a sliding plate 15 is arranged above the support plate 6, three connecting blocks 16 are uniformly mounted on the outer side of the sliding plate 15, connecting shafts 21 are arranged in the three connecting blocks 16, the connecting shafts 21 are hinged with the adjusting connecting rods 20, two support blocks 14 are arranged on the sliding plate 15, a mounting panel 8 is mounted on the support blocks, install fixing knob 5 on set screw 11, the 5 outside of fixing knob evenly is provided with the cylinder arch, the step board 3 is installed to 4 upper ends of staple, 2 threaded connection of staple 4 and telescopic link rotate staple 4 and break away from telescopic link 2 when changing staple 4, the 4 outside of staple is provided with the spiral groove, increases staple 4 grab the land fertility, install spirit level 27 in the backup pad 6, through watching the levelness that spirit level 27 judged the support.
Example 2
Referring to fig. 1, the embodiment of the present invention is different from embodiment 1 in that a control box 25 is installed on the support rod 1, the control box 25 is electrically connected to the servo motors 9, and the control box 25 controls the start and forward and reverse rotation of the three servo motors 9.
The working principle of the invention is as follows:
when the device is used, 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, a support is approximately placed at the center of a control point, the pedal 3 is pressed by feet to deeply insert the fixing nail 4 into the soil, the observation level instrument 27 is used for checking the levelness of the support, the fixing knob 5 is rotated to adjust the matching length of the support rod 1 and the telescopic rod 2, after the horizontal adjustment of the support is finished, the fixing knob 5 is rotated to fasten the support rod 1 and the telescopic rod 2 together, the measuring instrument is arranged on the installation panel 8 and emits laser downwards to observe the distance between the laser point and the control point, the operation control box 25 controls the three groups of adjusting structures to work, the control box 25 controls the servo motor 9 to rotate, the servo motor 9 drives the transmission screw rod 18 to, the sliding blocks 19 drive the sliding plates 15 to move horizontally through the two adjusting connecting rods 20, the supporting blocks 14 are installed above the sliding plates 15, the mounting panels 8 are fixed on the supporting blocks 14, the sliding plates 15 drive the mounting panels 8 to move horizontally through the supporting blocks 14, the centers of the measuring instruments are coincided with control points, the three groups of servo motors 9 drive the three groups of sliding blocks 19 to move up and down at the same distance at the same time when rotating at the same time, the three groups of sliding blocks 19 drive the three groups of sliding plates 15 to lift through the adjusting connecting rods 20, the sliding plates 15 drive the mounting panels 8 to lift through the supporting blocks 14.
The above description is only for the specific embodiments of the present disclosure, but the scope of the present disclosure is not limited thereto, and any person skilled in the art can easily conceive of the changes or substitutions within the technical scope of the present disclosure, and all the changes or substitutions should be covered within the scope of the present disclosure. Therefore, the protection scope of the present disclosure shall be subject to the protection scope of the claims.
Claims (7)
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 guide blocks (12), fixed cover (10) is installed to bracing piece (1) bottom, be provided with set screw (11) on fixed cover (10), install telescopic link (2) in bracing piece (1), telescopic link (2) both sides are provided with guide way (13), guide way (13) and guide 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 guide shaft (7) of setting on backup pad (6), a motor mounting plate (17) is mounted at the top end of the guide shaft (7), a servo motor (9) is arranged on the motor mounting plate (17), a transmission lead screw (18) is mounted at the output end of the servo motor (9), a sliding block (19) is arranged on the transmission lead screw (18), the sliding block (19) is in threaded connection with the transmission lead screw (18), 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), hinged shafts (26) are mounted at two ends of the rotating shaft (23), adjusting connecting rods (20) are arranged on two hinged shafts (26), a sliding plate (15) is arranged above the supporting plate (6), three connecting blocks (16) are uniformly mounted on the outer side of the sliding plate (15), and connecting shafts (21) are arranged in the three connecting blocks (16, the connecting shaft (21) is hinged to the adjusting connecting rod (20), the sliding plate (15) is provided with two supporting blocks (14), the supporting blocks (14) are provided with mounting panels (8), and the middle parts of the mounting panels (8) are provided with laser avoiding holes (24).
2. The support of the surveying instrument for geographic information science according to claim 1, wherein a fixing knob (5) is mounted on the fixing screw (11), and cylindrical protrusions are uniformly arranged on the outer side of the fixing knob (5).
3. The stand of a surveying instrument for geographic information science according to claim 1, wherein a pedal (3) is installed at the upper end of the fixing nail (4).
4. The support of the surveying instrument 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 on the outer side of the fixing nail (4).
5. The stand of a surveying instrument for geographical information science according to claim 1, characterized in that a level (27) is mounted on the support plate (6).
6. The stand of a surveying instrument for geographical information science according to claim 1, characterized in that a control box (25) is mounted on the support bar (1).
7. The stand of a surveying instrument for geographic information science according to claim 6, characterized in that the control box (25) is electrically connected to a servo motor (9).
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 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN112856137A true CN112856137A (en) | 2021-05-28 |
| CN112856137B CN112856137B (en) | 2023-06-20 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110168561.2A Active CN112856137B (en) | 2021-02-07 | 2021-02-07 | Surveying instrument support for geographic information science |
Country Status (1)
| Country | Link |
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| CN (1) | CN112856137B (en) |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113432626A (en) * | 2021-07-22 | 2021-09-24 | 中建安装集团有限公司 | Simple device for calibrating and leveling prism |
| CN114087506A (en) * | 2021-12-03 | 2022-02-25 | 张高兴 | A survey and drawing support that is used for surveying and drawing of soil to have location structure |
| CN114135774A (en) * | 2021-11-25 | 2022-03-04 | 青岛地质工程勘察院(青岛地质勘查开发局) | Survey and drawing are with firm eyelidretractor with automatic horizontal function that keeps |
| CN114396550A (en) * | 2022-01-12 | 2022-04-26 | 方圆 | RTK measuring rod for facility agricultural land measurement |
| CN114562644A (en) * | 2022-02-28 | 2022-05-31 | 南通天正信息技术服务有限公司 | Improved triangular support for mapping |
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| CN111853486A (en) * | 2020-07-24 | 2020-10-30 | 徐月美 | Leveling device for mechanical equipment |
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| GB545748A (en) * | 1941-04-22 | 1942-06-10 | Aldis Brothers Ltd | Improvements relating to mountings for signalling, surveying or other like apparatus |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113432626A (en) * | 2021-07-22 | 2021-09-24 | 中建安装集团有限公司 | Simple device for calibrating and leveling prism |
| CN113432626B (en) * | 2021-07-22 | 2024-01-26 | 中建安装集团有限公司 | Prism calibration leveling simple device |
| CN114135774A (en) * | 2021-11-25 | 2022-03-04 | 青岛地质工程勘察院(青岛地质勘查开发局) | Survey and drawing are with firm eyelidretractor with automatic horizontal function that keeps |
| CN114087506A (en) * | 2021-12-03 | 2022-02-25 | 张高兴 | A survey and drawing support that is used for surveying and drawing of soil to have location structure |
| CN114396550A (en) * | 2022-01-12 | 2022-04-26 | 方圆 | RTK measuring rod for facility agricultural land measurement |
| CN114396550B (en) * | 2022-01-12 | 2023-05-30 | 方圆 | RTK measuring rod for measuring facility agricultural land |
| CN114562644A (en) * | 2022-02-28 | 2022-05-31 | 南通天正信息技术服务有限公司 | Improved triangular support for mapping |
| 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 |
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