CN118130386A - Unmanned aerial vehicle retroreflection measurement system - Google Patents
Unmanned aerial vehicle retroreflection measurement system Download PDFInfo
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- CN118130386A CN118130386A CN202410249885.2A CN202410249885A CN118130386A CN 118130386 A CN118130386 A CN 118130386A CN 202410249885 A CN202410249885 A CN 202410249885A CN 118130386 A CN118130386 A CN 118130386A
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- 238000005259 measurement Methods 0.000 title claims abstract description 44
- 230000007246 mechanism Effects 0.000 claims abstract description 58
- 238000012545 processing Methods 0.000 claims abstract description 8
- 238000001514 detection method Methods 0.000 claims abstract description 7
- 230000001678 irradiating effect Effects 0.000 claims description 3
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 230000001105 regulatory effect Effects 0.000 abstract 1
- 238000009434 installation Methods 0.000 description 8
- 238000010586 diagram Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/01—Arrangements or apparatus for facilitating the optical investigation
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N21/00—Investigating or analysing materials by the use of optical means, i.e. using sub-millimetre waves, infrared, visible or ultraviolet light
- G01N21/17—Systems in which incident light is modified in accordance with the properties of the material investigated
- G01N21/55—Specular reflectivity
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Abstract
The invention discloses an unmanned aerial vehicle retroreflection measurement system, and belongs to the technical field of retroreflection measurement. The utility model provides an unmanned aerial vehicle retroreflection measurement system, includes unmanned aerial vehicle body, its characterized in that: the unmanned aerial vehicle comprises an unmanned aerial vehicle body, wherein a retroreflection measuring mechanism and an adjusting mechanism are arranged on the unmanned aerial vehicle body, a mounting plate is arranged at the bottom of the unmanned aerial vehicle body, and the retroreflection measuring mechanism and the adjusting mechanism are both arranged on the bottom surface of the mounting plate; the invention sets up the multiunit and retroreflects the measuring mechanism through the body bottom of unmanned aerial vehicle, and each group retroreflects the measuring mechanism and all is provided with the regulating mechanism, can be used for adjusting the angle in the space of the measuring mechanism of retroreflection alone, can measure the retroreflection data of a plurality of road marking simultaneously by the equal signal connection among light source module, detection module, angle regulation module, the data processing module of retroreflection measuring mechanism.
Description
Technical Field
The invention relates to the technical field of retroreflection measurement, in particular to an unmanned aerial vehicle retroreflection measurement system.
Background
Retroreflection, also known as retro-reflection, is the reflection of reflected light rays back toward the light source from a direction opposite to that of the incident light rays. The retroreflective material has a function of returning most of incident light irradiated thereto in an original incident direction to enhance visibility of itself, and thus is widely used in traffic and vehicle safety fields such as retroreflective traffic signs, retroreflective road markings, retroreflective body signs, etc., and plays an important role in securing traffic smoothness and traffic safety, so that it is necessary to test the retroreflective material in order to secure an optimal retroreflective effect of the retroreflective material. The retroreflection coefficient is the most important technical index for detecting various retroreflection materials.
The existing vehicle-mounted reverse marking reflection coefficient measuring instrument can only measure one marking at a time, and a driver is required to control a steering wheel well to enable a detector to be aligned to the marking, so that the measuring process is complicated, and in view of the fact, the unmanned aerial vehicle reverse reflection measuring system is provided.
Disclosure of Invention
The invention aims to provide an unmanned aerial vehicle retroreflection measurement system, which aims to solve the problems in the background art:
in order to achieve the above purpose, the present invention provides the following technical solutions:
the unmanned aerial vehicle retroreflection measurement system comprises an unmanned aerial vehicle body, wherein a retroreflection measurement mechanism and an adjusting mechanism are arranged on the unmanned aerial vehicle body, a mounting plate is arranged at the bottom of the unmanned aerial vehicle body, and the retroreflection measurement mechanism and the adjusting mechanism are both arranged on the bottom surface of the mounting plate;
the retroreflection measuring mechanism comprises a light source module, a light source module and a light source module, wherein the light source module is used for irradiating light to the surface of the measured object at a corresponding incidence angle;
The detection module is used for detecting light reflected from the surface of the detected object at a corresponding observation angle;
the angle adjusting module is used for adjusting the incident angle of the light source module and the angle of the light source received by the detector module;
The data processing module is used for calculating the luminous intensity coefficient and the retroreflection coefficient of the measured object according to different measuring distances, incident light and reflected light, and recording and storing measuring data;
the light source module, the detection module, the angle adjusting module and the data processing module are connected through signals.
Preferably, the retroreflection measurement mechanism is provided with a plurality of groups, and the retroreflection measurement mechanism further comprises a self-checking module for detecting states of the modules when the machine is started.
Preferably, the adjusting mechanism comprises a movable sphere, a first adjusting component and a second adjusting component, and the extending directions of the first adjusting component and the second adjusting component are vertically arranged;
one side of the movable sphere is provided with a connecting rod, and the retroreflection measuring mechanism is arranged at the end part of the connecting rod.
Preferably, the first adjusting component comprises a first motor and a first movable frame, the two ends of the first movable frame are both rotationally connected with a first fixed block, and the first fixed block is connected with the mounting plate;
the second adjusting component comprises a second motor and a second movable frame, two ends of the second movable frame are respectively and rotatably connected with a second fixed block, and the second fixed block is connected with the mounting plate;
The middle part of the first movable frame is provided with a first through groove, the middle part of the second movable frame is provided with a second through groove, and the connecting rod sequentially passes through the first through groove and the second through groove;
The connecting rod is in sliding fit with the first through groove and the second through groove.
Preferably, a sliding rail A and a sliding rail B are arranged on the movable sphere, the sliding rail A and the sliding rail B are all annular and arranged on the surface of the movable sphere, and the sliding rail A and the sliding rail B are positioned on two mutually perpendicular planes;
And a sliding block is arranged in the sliding rail B and is connected with the connecting rod.
Preferably, the bottom surface of the mounting plate is provided with a mounting groove, and the upper end of the adjusting mechanism is positioned in the mounting groove;
A limiting block is arranged in the mounting groove, an arc-shaped groove is formed in the bottom of the limiting block, and the movable ball body is in sliding contact with the arc-shaped groove.
Preferably, the connecting rod is provided with a limit post near the lower end in a penetrating way, and the limit post is in sliding contact with the inner side surface of the first movable frame.
Preferably, the two ends of the first movable frame are provided with mounting shafts A, and an output shaft of the first motor is connected with the mounting shaft A on one side;
and the two ends of the second movable frame are respectively provided with a mounting shaft B, and an output shaft of the second motor is connected with the mounting shaft B on one side.
Preferably, the mounting holes are all seted up in unmanned aerial vehicle body bottom four corners department, are provided with the supporting leg in the mounting hole, supporting leg and mounting hole sliding fit.
Preferably, the outer wall of the supporting leg is provided with external threads, one end of the supporting leg, which is positioned in the mounting hole, is sleeved with a gear A, the gear A is in threaded fit with the supporting leg, the unmanned aerial vehicle body 1 is provided with a gear B, the gear B is positioned among the four gears A, and the gear A is meshed with the gear B;
The lower end one side of supporting leg is connected with the slide bar, and the slide bar is L type structure, and mounting hole one side is provided with spacing hole, slide bar and spacing hole sliding fit.
Compared with the prior art, the invention has the beneficial effects that:
(1) According to the invention, the bottom of the unmanned aerial vehicle body is provided with the plurality of groups of the retroreflection measuring mechanisms, and each group of retroreflection measuring mechanisms is provided with the adjusting mechanism, so that the angle of the retroreflection measuring mechanism in space can be independently adjusted, and the retroreflection data of a plurality of road marks can be measured simultaneously.
(2) According to the invention, the incident angle of the light source module is adjusted through the angle adjusting module, the angle of the light source is received by the detector module, meanwhile, the distance between the detected object and the light source is adjusted through adjusting the unmanned plane body, a plurality of groups of different angles are respectively arranged, the measurement of a plurality of groups of data is carried out at different distances, and the luminous intensity coefficient and the retroreflection coefficient of the detected object are calculated.
Drawings
FIG. 1 is a schematic diagram of the overall structure of a unmanned aerial vehicle retroreflection measurement system of the present invention;
FIG. 2 is a schematic bottom view of the unmanned aerial vehicle retroreflection measurement system of the present invention;
FIG. 3 is a schematic cross-sectional view of a mounting plate of the present invention;
FIG. 4 is a schematic cross-sectional view of a mounting plate and adjustment mechanism of the present invention;
FIG. 5 is a schematic bottom view of the adjustment mechanism of the present invention;
FIG. 6 is a schematic top view of the adjustment mechanism of the present invention;
FIG. 7 is a schematic view of a first movable frame and a second movable frame according to the present invention;
FIG. 8 is a schematic diagram of a movable sphere structure according to the present invention;
fig. 9 is a schematic cross-sectional view of a drone body of the present invention;
Fig. 10 is a schematic view of a supporting leg connecting structure of the present invention.
The reference numerals in the figures illustrate: 1. an unmanned aerial vehicle body; 101. a mounting plate; 102. a mounting groove; 2. a retroreflection measurement mechanism; 3. an adjusting mechanism; 301. a movable sphere; 302. a connecting rod; 303. a first motor; 304. a first movable frame; 305. a first fixed block; 306. a second motor; 307. a second movable frame; 308. a second fixed block; 309. a sliding rail A; 310. a sliding rail B; 311. a slide block; 312. a first through groove; 313. a second through slot; 314. a limit column; 4. a limiting block; 5. support legs; 6. a gear A; 7. a gear B; 8. and a slide bar.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
Example 1:
Referring to fig. 1-8, an unmanned aerial vehicle retroreflection measurement system comprises an unmanned aerial vehicle body 1, wherein a retroreflection measurement mechanism 2 and an adjustment mechanism 3 are arranged on the unmanned aerial vehicle body 1, a mounting plate 101 is arranged at the bottom of the unmanned aerial vehicle body 1, the retroreflection measurement mechanism 2 and the adjustment mechanism 3 are both arranged on the bottom surface of the mounting plate 101, the unmanned aerial vehicle body 1 is utilized to drive the retroreflection measurement mechanism 2 to move, retroreflection materials are detected, and the adjustment mechanism 3 is used for adjusting the angle and the direction of the retroreflection measurement mechanism 2 according to measurement requirements;
the retroreflection measuring mechanism 2 includes a light source module for irradiating light to the surface of the object to be measured at a corresponding incident angle;
The detection module is used for detecting light reflected from the surface of the detected object at a corresponding observation angle;
the angle adjusting module is used for adjusting the incident angle of the light source module and the angle of the light source received by the detector module;
The data processing module is used for calculating the luminous intensity coefficient and the retroreflection coefficient of the measured object according to different measuring distances, incident light and reflected light, and recording and storing measuring data;
the light source module, the detection module, the angle adjusting module and the data processing module are connected through signals.
In the present application, the retroreflection measuring mechanism 2 is provided with a plurality of sets, and can measure the markings of a plurality of sets of lanes at the same time.
In one possible embodiment, the retroreflection measurement mechanism 2 further includes a self-checking module for detecting states of the modules when the machine is started, and an error automatic compensation module for automatically compensating for errors of the light source due to environmental factors when the machine is measured.
A control system is also included for controlling the operation of the retro-reflective measuring means 2 and the adjustment means 3.
In the application, the adjusting mechanism 3 comprises a movable sphere 301, a first adjusting component and a second adjusting component, and the extending directions of the first adjusting component and the second adjusting component are vertically arranged;
one side of the movable sphere 301 is provided with a connecting rod 302, the retroreflection measuring mechanism 2 is arranged at the end part of the connecting rod 302, and the first adjusting component and the second adjusting component are respectively matched to be used for adjusting angles of the connecting rod 302 in two directions.
In the application, the first adjusting component comprises a first motor 303 and a first movable frame 304, wherein both ends of the first movable frame 304 are rotatably connected with a first fixed block 305, the first fixed block 305 is connected with the mounting plate 101, the first movable frame 304 is driven to rotate around the sphere center of the movable sphere 301 by rotation of the first motor 303, and the connecting rod 302 rotates along with the first movable frame 304 when the first movable frame 304 rotates.
The second adjusting component comprises a second motor 306 and a second movable frame 307, two ends of the second movable frame 307 are rotatably connected with a second fixed block 308, the second fixed block 308 is connected with the mounting plate 101, the second movable frame 307 is driven to rotate around the center of the movable sphere 301 by the second motor 306, and the connecting rod 302 rotates along with the second movable frame 307 when the second movable frame 307 rotates.
Wherein, the first movable frame 304 and the second movable frame 307 are both semi-cylindrical structures; a first through groove 312 is formed in the middle of the first movable frame 304, a second through groove 313 is formed in the middle of the second movable frame 307, and the connecting rod 302 sequentially penetrates through the first through groove 312 and the second through groove 313; wherein the connecting rod 302 is slidably engaged with the first through slot 312 and the second through slot 313, and the angle change of the connecting rod 302 in the space is realized by the mutual engagement of the first movable frame 304 and the second movable frame 307.
In the application, a sliding rail A309 and a sliding rail B310 are arranged on a movable sphere 301, the sliding rail A309 and the sliding rail B310 are all annular and arranged on the surface of the movable sphere 301, and the sliding rail A309 and the sliding rail B310 are positioned on two mutually perpendicular planes; the slide rail B310 is internally provided with a slider 311, the slider 311 is connected with the connecting rod 302, the slider 311 can slide along the slide rail B310, but the slider 311 cannot slide along the slide rail a 309. As shown in fig. 5, when the connecting rod 302 moves along with the first movable frame 304, the sliding block 311 drives the movable ball 301 to rotate along with the first movable frame 304, and when the connecting rod 302 moves along with the second movable frame 307, the sliding block 311 slides in the sliding rail B310.
In the application, the bottom surface of the mounting plate 101 is provided with a mounting groove 102, and the upper end of the adjusting mechanism 3 is positioned in the mounting groove 102;
A limiting block 4 is arranged in the mounting groove 102, an arc-shaped groove is formed in the bottom of the limiting block 4, the movable ball 301 is in sliding contact with the arc-shaped groove, and when the movable ball 301 rotates, the limiting block 4 limits the position of the movable ball 301.
In the application, a limiting column 314 is arranged near the lower end of the connecting rod 302 in a penetrating way, the limiting column 314 is in sliding contact with the inner side surface of the first movable frame 304, as shown in fig. 6, the limiting column 314 is matched with the limiting block 4, and the position of the movable sphere 301 is limited, so that the movable sphere 301 can rotate around the sphere center.
In the application, the two ends of a first movable frame 304 are provided with mounting shafts A, and the output shaft of a first motor 303 is connected with one side of the mounting shaft A; the first motor 303 is utilized to rotate to drive the installation shaft A to rotate, and the installation shaft A rotates to drive the first movable frame 304 to rotate. Wherein the central axis of the center of the first movable frame 304 coincides with the center of the movable sphere 301.
The two ends of the second movable frame 307 are respectively provided with a mounting shaft B, and an output shaft of the second motor 306 is connected with the mounting shaft B on one side. The second motor 306 is utilized to drive the installation shaft B to rotate, and the installation shaft B rotates to drive the second movable frame 307 to rotate, wherein the central axis of the circle center of the second movable frame 307 coincides with the center of the movable sphere 301.
When the device is used, the unmanned aerial vehicle body 1 is moved to the position near the road marking to be detected, and the angle of the retroreflection measurement mechanism 2 is adjusted by the corresponding adjustment mechanism 3 according to the marking quantity to be measured. When the angle of the retroreflection measuring mechanism 2 is adjusted, the first motor 303 is utilized to rotate to drive the installation shaft A to rotate, the installation shaft A is rotated to drive the first movable frame 304 to rotate, at the moment, the connecting rod 302 rotates along with the first movable frame 304, the sliding block 311 at the end part of the connecting rod 302 drives the movable sphere 301 to rotate around the sphere center of the movable sphere, and meanwhile, the connecting rod 302 slides along the second through groove 313 in the middle part of the second movable frame 307; the limiting post 314 is matched with the limiting block 4 to limit the position of the movable sphere 301, so that the movable sphere 301 can rotate around the sphere center; simultaneously, the second motor 306 is utilized to drive the installation shaft B to rotate, the installation shaft B rotates to drive the second movable frame 307 to rotate, when the second movable frame 307 rotates, the connecting rod 302 moves along with the second movable frame 307, meanwhile, the connecting rod 302 slides along the first through groove 312 in the middle of the first movable frame 304, the sliding block 311 at the end part of the connecting rod 302 slides along the sliding rail B310 on the surface of the movable sphere 301, and the angle of the retroreflection measurement mechanism 2 in the space position is adjusted through the mutual matching of the first movable frame 304 and the second movable frame 307, and each retroreflection measurement mechanism 2 is respectively adjusted according to measurement requirements, so that a plurality of different road marks can be simultaneously detected. At least one lane, namely a left lane and a right lane, can be measured at the same time, and the angles of the two groups of retroreflection measuring mechanisms 2 are respectively and automatically adjusted according to the requirements of the width of the lane.
When the retroreflection data of the road marking is measured, the light source module emits light to the measuring material, the detecting module receives light reflected by the measuring material, wherein the incident angle of the light source module is adjusted through the angle adjusting module, the angle of the light source is received by the detector module, meanwhile, the distance between the detecting object and the light source is adjusted through adjusting the unmanned aerial vehicle body 1, a plurality of groups of different angles are respectively arranged, the measurement of a plurality of groups of data is carried out at different distances, and the data processing module calculates the luminous intensity coefficient and the retroreflection coefficient of the measured object according to the different measuring distances, the incident light at different angles and the reflected light, and records and stores the measured data.
Example 2: the basis for combining example 1 is different in that:
as shown in fig. 2, 9 and 10, the four corners of the bottom of the unmanned aerial vehicle body 1 are provided with mounting holes, the mounting holes are internally provided with supporting legs 5, and the supporting legs 5 can move along the extending direction of the mounting holes, wherein after the unmanned aerial vehicle is lifted, the supporting legs 5 can shrink into the mounting holes so as not to influence the measuring vision of the retroreflection measuring mechanism 2, and when the unmanned aerial vehicle body 1 falls, the supporting legs 5 can extend out of the mounting holes.
Wherein, the supporting leg 5 outer wall is provided with the external screw thread, the one end cover that supporting leg 5 is located the mounting hole is equipped with gear A6, gear A6 and supporting leg 5 outer wall threaded connection, be provided with gear B7 between the gear A6 that four supporting legs 5 were gone up to overlap and establish, gear B7 and gear A6 meshing, the output shaft and the gear B7 of third motor are connected, wherein the supporting leg 5 outside is connected with slide bar 8, slide bar 8 is L type structure, spacing hole has been seted up to mounting hole one side, the vertical end of slide bar 8 and the spacing hole sliding connection of unmanned aerial vehicle body 1 bottom, be convenient for when gear A6 rotates, supporting leg 5 is moved in vertical direction, can stretch out simultaneously with the shrink by four supporting legs 5 of simultaneous control.
In one possible embodiment, a telescopic rod may be provided in the mounting hole for controlling the extension or retraction of each support leg 5, respectively.
The foregoing has shown and described the basic principles, principal features and advantages of the invention. It will be understood by those skilled in the art that the present invention is not limited to the above-described embodiments, and that the above-described embodiments and descriptions are only preferred embodiments of the present invention, and are not intended to limit the invention, and that various changes and modifications may be made therein without departing from the spirit and scope of the invention as claimed. The scope of the invention is defined by the appended claims and equivalents thereof.
Claims (10)
1. The utility model provides an unmanned aerial vehicle retroreflection measurement system, includes unmanned aerial vehicle body (1), its characterized in that: the unmanned aerial vehicle comprises an unmanned aerial vehicle body (1), wherein a retroreflection measurement mechanism (2) and an adjusting mechanism (3) are arranged on the unmanned aerial vehicle body (1), a mounting disc (101) is arranged at the bottom of the unmanned aerial vehicle body (1), and the retroreflection measurement mechanism (2) and the adjusting mechanism (3) are both arranged on the bottom surface of the mounting disc (101);
The retroreflection measuring mechanism (2) comprises a light source module for irradiating light to the surface of the measured object at a corresponding incidence angle;
The detection module is used for detecting light reflected from the surface of the detected object at a corresponding observation angle;
the angle adjusting module is used for adjusting the incident angle of the light source module and the angle of the light source received by the detector module;
The data processing module is used for calculating the luminous intensity coefficient and the retroreflection coefficient of the measured object according to different measuring distances, incident light and reflected light, and recording and storing measuring data;
The light source module, the detection module, the angle adjusting module and the data processing module are connected through signals.
2. The unmanned aerial vehicle retroreflection measurement system of claim 1, wherein: the retroreflection measurement mechanism (2) is provided with a plurality of groups, and the retroreflection measurement mechanism (2) further comprises a self-checking module for detecting states of the modules when the machine is started.
3. The unmanned aerial vehicle retroreflection measurement system of claim 1, wherein: the adjusting mechanism (3) comprises a movable sphere (301), a first adjusting component and a second adjusting component, and the extending directions of the first adjusting component and the second adjusting component are vertically arranged;
One side of the movable sphere (301) is provided with a connecting rod (302), and the retroreflection measurement mechanism (2) is arranged at the end part of the connecting rod (302).
4. A drone retro-reflective measurement system according to claim 3, wherein: the first adjusting assembly comprises a first motor (303) and a first movable frame (304), wherein two ends of the first movable frame (304) are rotatably connected with a first fixed block (305), and the first fixed block (305) is connected with the mounting disc (101);
The second adjusting assembly comprises a second motor (306) and a second movable frame (307), two ends of the second movable frame (307) are rotatably connected with second fixed blocks (308), and the second fixed blocks (308) are connected with the mounting plate (101);
A first through groove (312) is formed in the middle of the first movable frame (304), a second through groove (313) is formed in the middle of the second movable frame (307), and the connecting rod (302) sequentially penetrates through the first through groove (312) and the second through groove (313);
the connecting rod (302) is in sliding fit with the first through groove (312) and the second through groove (313).
5. A drone retro-reflective measurement system according to claim 3, wherein: the movable ball body (301) is provided with a slide rail A (309) and a slide rail B (310), the slide rail A (309) and the slide rail B (310) are all annular and arranged on the surface of the movable ball body (301), and the slide rail A (309) and the slide rail B (310) are positioned on two planes which are perpendicular to each other;
A sliding block (311) is arranged in the sliding rail B (310), and the sliding block (311) is connected with the connecting rod (302).
6. A drone retro-reflective measurement system according to claim 3, wherein: the bottom surface of the mounting plate (101) is provided with a mounting groove (102), and the upper end of the adjusting mechanism (3) is positioned in the mounting groove (102);
A limiting block (4) is arranged in the mounting groove (102), an arc-shaped groove is formed in the bottom of the limiting block (4), and the movable ball body (301) is in sliding contact with the arc-shaped groove.
7. A drone retro-reflective measurement system according to claim 3, wherein: and the connecting rod (302) is provided with a limiting column (314) near the lower end in a penetrating way, and the limiting column (314) is in sliding contact with the inner side surface of the first movable frame (304).
8. The unmanned aerial vehicle retroreflection measurement system of claim 4, wherein: the two ends of the first movable frame (304) are respectively provided with a mounting shaft A, and an output shaft of the first motor (303) is connected with one side of the mounting shaft A;
And mounting shafts B are arranged at two ends of the second movable frame (307), and an output shaft of the second motor (306) is connected with one side of the mounting shaft B.
9. The unmanned aerial vehicle retroreflection measurement system of claim 1, wherein: the unmanned aerial vehicle body (1) bottom four corners department has all seted up the mounting hole, be provided with supporting leg (5) in the mounting hole, supporting leg (5) and mounting hole sliding fit.
10. The unmanned aerial vehicle retroreflection measurement system of claim 9, wherein: the outer wall of the supporting leg (5) is provided with external threads, one end of the supporting leg (5) positioned in the mounting hole is sleeved with a gear A (6), the gear A (6) is in threaded fit with the supporting leg (5), the unmanned aerial vehicle body 1 is provided with a gear B (7), the gear B (7) is positioned among the four gears A (6), and the gear A (6) is meshed with the gear B (7);
The support leg (5) lower extreme one side is connected with slide bar (8), slide bar (8) are L type structure, mounting hole one side is provided with spacing hole, slide bar (8) and spacing hole sliding fit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410249885.2A CN118130386A (en) | 2024-03-05 | 2024-03-05 | Unmanned aerial vehicle retroreflection measurement system |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202410249885.2A CN118130386A (en) | 2024-03-05 | 2024-03-05 | Unmanned aerial vehicle retroreflection measurement system |
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| Publication Number | Publication Date |
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| CN118130386A true CN118130386A (en) | 2024-06-04 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202410249885.2A Pending CN118130386A (en) | 2024-03-05 | 2024-03-05 | Unmanned aerial vehicle retroreflection measurement system |
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| Country | Link |
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- 2024-03-05 CN CN202410249885.2A patent/CN118130386A/en active Pending
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