Protective device for surveying instrument of unmanned aerial vehicle

Abstract

The utility model discloses a protection device for an unmanned aerial vehicle surveying instrument, which comprises a machine body and a protection cover, the protection cover is arranged at the central position of the bottom end of the machine body, a linkage arm is arranged in the protection cover, a support shaft is arranged on the outer wall of the linkage arm, and the linkage arm is movably connected with the protection cover through the support shaft. A supporting arm is arranged at the bottom end of the linkage arm, a lower clamping shaft is installed at the top end of the supporting arm, the supporting arm is movably connected with the linkage arm through the lower clamping shaft, an adjusting box is installed at the bottom end of the supporting arm, and a center shaft is installed in the adjusting box. According to the unmanned aerial vehicle surveying and mapping instrument protection device, convenient linkage type movable shielding protection of the unmanned aerial vehicle surveying and mapping instrument is achieved, multi-structure linkage folding is facilitated, the occupied space of the protection device is reduced, the protection effect of the unmanned aerial vehicle surveying and mapping instrument is improved, convenient circumferential rotation and rotation type rotation of the unmanned aerial vehicle surveying and mapping instrument are facilitated, and the working efficiency of the unmanned aerial vehicle surveying and mapping instrument is improved. And the rotation acquisition range of the unmanned aerial vehicle surveying instrument is increased.

Description

Technical Field

[0001] The utility model relates to the technical field of protective devices, in particular to a protective device for an unmanned aerial vehicle surveying and mapping instrument. Background Art

[0002] With the rapid development of science and technology, the application of UAV technology has penetrated into the field of surveying and mapping, becoming a new tool for obtaining geographic information. Surveying and mapping UAV is a kind of UAV specially used for collecting geographic information. It combines aerial photography, remote sensing technology and UAV technology. It can capture detailed images of the surface at high altitudes, thereby generating high-precision geographic information data. These data include not only traditional topographic maps and maps, but also digital elevation models, digital surface models, orthophotos, etc., which provide strong support for urban planning, land management, environmental monitoring, agricultural management, disaster assessment and other fields.

[0003] For example, a drone surveying instrument protection device disclosed in the authorization announcement number CN217424381U includes a drone, a surveying instrument is arranged at the bottom of the drone, a protective cover is arranged outside the surveying instrument, a cleaning component is arranged inside the protective cover, and a rotating bracket component is symmetrically arranged at the bottom of the drone. Although the protective cover is set to protect the outer annular surface of the surveying instrument and effectively block possible damage in the horizontal direction of the periphery, the inner wall of the protective cover is cleaned by the cleaning component to prevent attached dirt from affecting data collection;

[0004] However, the problem that the existing protective devices of this type are generally not conducive to convenient linked mobile shielding protection when in use has not been solved, most of the protective devices have bulky structures and greatly occupy the limited space of the UAV, affecting the protection effect of the UAV surveying and mapping instrument, and are not convenient for the UAV surveying and mapping instrument to perform convenient circular rotation and autorotation, which greatly affects the rotation collection range of the UAV surveying and mapping instrument. Utility Model Content

[0005] The purpose of the utility model is to provide a protective device for an unmanned aerial vehicle surveying instrument, so as to solve the problem that the protective device proposed in the above background technology is not convenient for convenient linkage mobile shielding protection, most of the protective devices have a large structure and greatly occupy the limited space of the unmanned aerial vehicle, affecting the protective effect of the unmanned aerial vehicle surveying instrument, and it is not convenient for the unmanned aerial vehicle surveying instrument to rotate in a circular manner and in an autorotational manner, affecting the rotation collection range of the unmanned aerial vehicle surveying instrument.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a protective device for an unmanned aerial vehicle surveying instrument, comprising a body and a protective cover, a protective cover is arranged at the center position of the bottom end of the body, a linkage arm is arranged inside the protective cover, a support shaft is installed on the outer wall of the linkage arm, and the linkage arm is movably connected with the protective cover through the support shaft, a support arm is arranged at the bottom end of the linkage arm, a lower clamping shaft is installed at the top end of the support arm, and the support arm is movably connected with the linkage arm through the lower clamping shaft, an adjusting box is installed at the bottom end of the support arm, a central shaft is installed inside the adjusting box, and one end of the central shaft extends to the outside of the adjusting box, a surveying instrument body is installed at the end of the central shaft away from the adjusting box, an electric rod is arranged at the top end of the linkage arm, a hinge shaft is arranged at the end of the linkage arm close to the electric rod, and the electric rod is movably connected with the linkage arm through the hinge shaft, and a linkage frame is arranged inside the protective cover on one side of the electric rod.

[0007] Preferably, a connecting shaft is installed at the top of the linkage frame, and the linkage frame is movably connected to the protective cover through the connecting shaft, and a hinged card shaft is installed at the bottom end of the electric rod, and the electric rod is movably connected to the linkage frame through the hinged card shaft.

[0008] Preferably, a linkage shaft is installed at the bottom end of the linkage frame, and the linkage frame is movably connected to the support arm via the linkage shaft.

[0009] Preferably, a rotating frame is provided at the center position of the top end of the protective cover, and a gear disc is installed at the top end of the rotating frame.

[0010] Preferably, a servo motor is installed inside the body on one side of the toothed disc, a gear is installed at the output end of the servo motor, and the gear and the toothed disc are meshed with each other.

[0011] Preferably, a limiting arm is installed on the top of the protective cover on one side of the rotating frame, and a sliding groove is slidably connected to the outer wall of the limiting arm, and the sliding groove is fixedly connected to the body.

[0012] Preferably, a worm wheel is mounted on the central axis surface of one side of the regulating box, a worm is installed inside the regulating box on the worm wheel side, a variable frequency motor is installed inside the regulating box on the worm side, and the output end of the variable frequency motor is connected to the worm.

[0013] Preferably, a remote controller is installed inside the machine body, and an output end of the remote controller is electrically connected to an input end of the servo motor, the electric rod, the variable frequency motor, and the surveying and mapping instrument body.

[0014] Compared with the prior art, the utility model has the following beneficial effects: the protective device not only realizes the convenient linkage mobile shielding protection of the protective device to the UAV surveying and mapping instrument, facilitates the multi-structure linkage folding to reduce the occupied space of the protective device, improves the protective effect of the UAV surveying and mapping instrument, but also facilitates the convenient circular rotation and autorotation of the UAV surveying and mapping instrument, and increases the rotation collection range of the UAV surveying and mapping instrument;

[0015] (1) The electric rod drives the linkage arm to rotate through the hinge shaft, and the linkage arm rotates with the support shaft as the axis. The linkage arm drives the support arm and the adjustment box to move through the lower clamping shaft. The electric rod drives the linkage frame to rotate through the hinged clamping shaft, and the linkage frame rotates with the connecting shaft as the axis. The linkage frame supports the support arm through the linkage shaft to limit the support arm, so as to transport the support arm and the surveying instrument body to the inside of the protective cover, so as to facilitate the protection of the surveying instrument body, realize the convenient linkage mobile shielding protection of the protective device for the unmanned aerial vehicle surveying instrument, facilitate the linkage folding of multiple structures, reduce the occupied space of the protective device, and improve the protection effect of the unmanned aerial vehicle surveying instrument;

[0016] (2) The servo motor drives the gear to rotate, the gear drives the toothed disc to rotate, the toothed disc drives the rotating frame and the protective cover to rotate, and the limit arm slides inside the slide slot to provide sliding support for the protective cover, so as to facilitate the protective cover to drive the surveying instrument body to rotate in a circular manner, thereby realizing the convenient circular rotation of the UAV surveying instrument and increasing the rotation collection range of the UAV surveying instrument;

[0017] (3) The worm is driven to rotate by a variable frequency motor, and the worm and worm wheel are used to drive the worm wheel to rotate. The worm wheel drives the central shaft to rotate, and the central shaft drives the surveying instrument body to rotate, so as to facilitate the self-rotation of the UAV surveying instrument, realize the convenient autorotation of the UAV surveying instrument, and facilitate the adjustment of the collection angle of the UAV surveying instrument. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a schematic diagram of the three-dimensional structure of the utility model;

[0019] Figure 2 It is a schematic diagram of the three-dimensional structure of the protective cover of the utility model;

[0020] Figure 3 This is a schematic diagram of an enlarged front cross-sectional structure of the protective cover of the utility model;

[0021] Figure 4 This is a schematic diagram of an enlarged front cross-sectional structure of the regulating box of the utility model;

[0022] Figure 5 It is a schematic diagram of the three-dimensional structure of the linkage arm of the utility model;

[0023] Figure 6It is a three-dimensional structural schematic diagram of the linkage frame of the utility model;

[0024] Figure 7 It is a schematic diagram of an enlarged side cross-sectional structure of the protective cover of the utility model;

[0025] Figure 8 The figure is a schematic diagram of the folding structure of the surveying and mapping instrument body of the utility model.

[0026] In the figure: 1. body; 2. protective cover; 3. gear plate; 4. gear; 5. servo motor; 6. limit arm; 7. slide; 8. support shaft; 9. hinge shaft; 10. electric rod; 11. connecting shaft; 12. hinge clamp shaft; 13. linkage frame; 14. lower clamp shaft; 15. linkage arm; 16. support arm; 17. linkage shaft; 18. adjustment box; 19. surveying instrument body; 20. worm gear; 21. worm; 22. center shaft; 23. frequency conversion motor; 24. rotating frame; 25. remote controller. DETAILED DESCRIPTION

[0027] In order to further explain the technical means and effects adopted by the present invention to achieve the predetermined purpose of the utility model, the specific implementation method, structure, characteristics and effects of the present invention are described in detail below in combination with the accompanying drawings and preferred embodiments.

[0028] See also Figure 1-8 The utility model provides an embodiment: a protective device for an unmanned aerial vehicle surveying instrument, comprising a body 1 and a protective cover 2, the protective cover 2 is arranged at the center of the bottom end of the body 1, a linkage arm 15 is arranged inside the protective cover 2, a support shaft 8 is installed on the outer wall of the linkage arm 15, and the linkage arm 15 is movably connected to the protective cover 2 through the support shaft 8, and the support shaft 8 plays the role of active support, a support arm 16 is arranged at the bottom end of the linkage arm 15, a lower clamping shaft 14 is installed at the top end of the support arm 16, and the support arm 16 passes through the lower clamping shaft 14. The shaft 14 is movably connected with the linkage arm 15, and the lower clamping shaft 14 plays the role of movably connecting. The bottom end of the support arm 16 is installed with an adjustment box 18, and the inside of the adjustment box 18 is installed with a central shaft 22, and one end of the central shaft 22 extends to the outside of the adjustment box 18, and the end of the central shaft 22 away from the adjustment box 18 is installed with a surveying instrument body 19, and the top of the linkage arm 15 is provided with an electric rod 10, and the end of the linkage arm 15 close to the electric rod 10 is provided with a hinge shaft 9, and the electric rod 10 is movably connected with the linkage arm 15 through the hinge shaft 9;

[0029] A linkage frame 13 is arranged inside the protective cover 2 on one side of the electric rod 10, a connecting shaft 11 is installed at the top of the linkage frame 13, and the linkage frame 13 is movably connected to the protective cover 2 through the connecting shaft 11, and the connecting shaft 11 plays the role of a movable support, a hinged card shaft 12 is installed at the bottom end of the electric rod 10, the electric rod 10 is movably connected to the linkage frame 13 through the hinged card shaft 12, a linkage shaft 17 is installed at the bottom end of the linkage frame 13, and the linkage frame 13 is movably connected to the support arm 16 through the linkage shaft 17;

[0030] By operating the remote controller 25 to open the electric rod 10, the protective cover 2 supports the linkage arm 15 through the support shaft 8, and the protective cover 2 supports the linkage frame 13 through the connecting shaft 11. The electric rod 10 drives the linkage arm 15 to rotate through the hinge shaft 9, and the linkage arm 15 rotates with the support shaft 8 as the axis. The linkage arm 15 drives the support arm 16 and the adjustment box 18 to move through the lower clamping shaft 14. The electric rod 10 drives the linkage frame 13 to rotate through the hinge clamping shaft 12, and the linkage frame 13 rotates with the connecting shaft 11 as the axis. The linkage frame 13 supports the support arm 16 through the linkage shaft 17 to limit the support arm 16, so as to transport the support arm 16 and the surveying instrument body 19 to the inside of the protective cover 2, so as to facilitate the protection of the surveying instrument body 19, realize the convenient linkage mobile shielding protection of the protective device to the unmanned aerial vehicle surveying instrument, facilitate the multi-structure linkage folding, reduce the occupied space of the protective device, and improve the protection effect of the unmanned aerial vehicle surveying instrument;

[0031] A rotating frame 24 is provided at the center position of the top of the protective cover 2, a toothed disc 3 is installed at the top of the rotating frame 24, a servo motor 5 is installed inside the body 1 on one side of the toothed disc 3, the servo motor 5 plays a role of power drive, a gear 4 is installed at the output end of the servo motor 5, and the gear 4 and the toothed disc 3 are meshed with each other, a limit arm 6 is installed at the top of the protective cover 2 on one side of the rotating frame 24, a slide groove 7 is slidably connected on the outer wall of the limit arm 6, and the slide groove 7 is fixedly connected to the body 1;

[0032] When in use, the servo motor 5 is turned on by operating the remote controller 25, and the servo motor 5 drives the gear 4 to rotate, and the gear 4 drives the toothed disc 3 to rotate, and the toothed disc 3 drives the rotating frame 24 and the protective cover 2 to rotate, and the limit arm 6 slides inside the slide groove 7 to provide sliding support for the protective cover 2, so as to facilitate the protective cover 2 to drive the surveying instrument body 19 to rotate in a circular manner, so as to increase the rotation collection range of the surveying instrument body 19, realize the convenient circular rotation of the UAV surveying instrument, and increase the rotation collection range of the UAV surveying instrument;

[0033] A worm gear 20 is mounted on the surface of the central shaft 22 on one side of the regulating box 18, a worm 21 is installed inside the regulating box 18 on one side of the worm gear 20, and a variable frequency motor 23 is installed inside the regulating box 18 on one side of the worm 21. The variable frequency motor 23 plays a role of power drive, and the output end of the variable frequency motor 23 is connected to the worm 21;

[0034] A remote controller 25 is installed inside the machine body 1 , and an output end of the remote controller 25 is electrically connected to input ends of the servo motor 5 , the electric rod 10 , the variable frequency motor 23 , and the surveying and mapping instrument body 19 .

[0035] When in use, the frequency conversion motor 23 is turned on by operating the remote controller 25, and the frequency conversion motor 23 drives the worm 21 to rotate. The worm 21 and the worm wheel 20 cooperate to drive the worm wheel 20 to rotate, and the worm wheel 20 drives the central shaft 22 to rotate. Under the support of the adjustment box 18, the central shaft 22 drives the surveying instrument body 19 to rotate, so as to facilitate the self-rotation of the UAV surveying instrument, so as to facilitate the adjustment of the collection angle of the UAV surveying instrument, realize the convenient autorotation of the UAV surveying instrument, and facilitate the adjustment of the collection angle of the UAV surveying instrument.

[0036] When the embodiment of the present application is in use: an external power supply is connected, first the electric rod 10 drives the linkage arm 15 to rotate through the hinge shaft 9, the linkage arm 15 rotates with the support shaft 8 as the axis, the linkage arm 15 drives the support arm 16 and the adjustment box 18 to move through the lower clamping shaft 14, the electric rod 10 drives the linkage frame 13 to rotate through the hinge clamping shaft 12, the linkage frame 13 rotates with the connecting shaft 11 as the axis, the linkage frame 13 supports the support arm 16 through the linkage shaft 17 to limit the support arm 16, so as to transport the support arm 16 and the surveying instrument body 19 to the inside of the protective cover 2, so as to facilitate the protective cover of the surveying instrument body 19 After that, the servo motor 5 drives the gear 4 to rotate, the gear 4 drives the toothed disc 3 to rotate, the toothed disc 3 drives the rotating frame 24 and the protective cover 2 to rotate, so that the protective cover 2 drives the surveying instrument body 19 to rotate in a circular manner, the variable frequency motor 23 drives the worm 21 to rotate, and the worm wheel 20 drives the worm wheel 20 to rotate under the cooperation of the worm 21 and the worm wheel 20, the worm wheel 20 drives the central shaft 22 to rotate, and the central shaft 22 drives the surveying instrument body 19 to rotate, so that the UAV surveying instrument can rotate by itself, so as to facilitate the adjustment of the collection angle of the UAV surveying instrument, and complete the use of the protective device.

[0037] The above description is only a preferred embodiment of the present invention and does not constitute any form of limitation to the present invention. Although the present invention has been disclosed as a preferred embodiment as above, it is not intended to limit the present invention. Any technical personnel in this field can make some changes or modify the technical contents disclosed above into equivalent embodiments without departing from the scope of the technical solution of the present invention. However, any brief modifications, equivalent changes and modifications made to the above embodiments based on the technical essence of the present invention without departing from the content of the technical solution of the present invention are still within the scope of the technical solution of the present invention.

Claims

1. A protective device for an unmanned aerial vehicle surveying instrument, characterized in that: The invention comprises a machine body (1) and a protective cover (2), wherein the protective cover (2) is arranged at the center position of the bottom end of the machine body (1), a linkage arm (15) is arranged inside the protective cover (2), a support shaft (8) is installed on the outer wall of the linkage arm (15), and the linkage arm (15) is movably connected to the protective cover (2) through the support shaft (8), a support arm (16) is arranged at the bottom end of the linkage arm (15), a lower clamping shaft (14) is installed at the top end of the support arm (16), and the support arm (16) is movably connected to the linkage arm (15) through the lower clamping shaft (14), and the bottom end of the support arm (16) is installed An adjusting box (18) is provided, wherein a central shaft (22) is installed inside the adjusting box (18), and one end of the central shaft (22) extends to the outside of the adjusting box (18), and a surveying instrument body (19) is installed at the end of the central shaft (22) away from the adjusting box (18), an electric rod (10) is arranged at the top end of the linkage arm (15), an articulated shaft (9) is arranged at one end of the linkage arm (15) close to the electric rod (10), and the electric rod (10) is movably connected to the linkage arm (15) via the articulated shaft (9), and a linkage frame (13) is arranged inside the protective cover (2) on one side of the electric rod (10).

2. The protective device for an unmanned aerial vehicle surveying instrument according to claim 1, characterized in that: A connecting shaft (11) is installed at the top end of the linkage frame (13), and the linkage frame (13) is movably connected to the protective cover (2) via the connecting shaft (11); a hinged clamping shaft (12) is installed at the bottom end of the electric rod (10), and the electric rod (10) is movably connected to the linkage frame (13) via the hinged clamping shaft (12).

3. The protective device for an unmanned aerial vehicle surveying instrument according to claim 1, characterized in that: A linkage shaft (17) is installed at the bottom end of the linkage frame (13), and the linkage frame (13) is movably connected to the support arm (16) via the linkage shaft (17).

4. The protective device for an unmanned aerial vehicle surveying instrument according to claim 1, characterized in that: A rotating frame (24) is arranged at the center position of the top end of the protective cover (2), and a toothed disc (3) is installed at the top end of the rotating frame (24).

5. The protective device for an unmanned aerial vehicle surveying instrument according to claim 4, characterized in that: A servo motor (5) is installed inside the machine body (1) on one side of the toothed disc (3), a gear (4) is installed at the output end of the servo motor (5), and the gear (4) and the toothed disc (3) are meshed with each other.

6. The protective device for an unmanned aerial vehicle surveying instrument according to claim 4, characterized in that: A limiting arm (6) is installed at the top of the protective cover (2) on one side of the rotating frame (24), a sliding groove (7) is slidably connected to the outer wall of the limiting arm (6), and the sliding groove (7) is fixedly connected to the machine body (1).

7. The protective device for an unmanned aerial vehicle surveying instrument according to claim 1, characterized in that: A worm gear (20) is mounted on the surface of a central axis (22) on one side of the regulating box (18), a worm (21) is installed inside the regulating box (18) on the side of the worm gear (20), a variable frequency motor (23) is installed inside the regulating box (18) on the side of the worm (21), and an output end of the variable frequency motor (23) is connected to the worm (21).

8. The protective device for an unmanned aerial vehicle surveying instrument according to claim 1, characterized in that: A remote controller (25) is installed inside the machine body (1), and the output end of the remote controller (25) is electrically connected to the input end of the servo motor (5), the electric rod (10), the variable frequency motor (23), and the surveying instrument body (19).

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