Multi-rotor unmanned aerial vehicle height geographic surveying and mapping equipment

Abstract

The utility model discloses a multi-rotor unmanned aerial vehicle height geographical surveying and mapping device, and relates to the technical field of geographical surveying and mapping. The multi-rotor unmanned aerial vehicle height geographical surveying and mapping equipment comprises an unmanned aerial vehicle body, the outer wall of the unmanned aerial vehicle body is fixedly connected with a vehicle arm, the outer wall of the vehicle arm is provided with a propeller, the outer wall of the vehicle arm is fixedly connected with a blade protection cover located on the outer side of the propeller, and the outer wall of the bottom of the unmanned aerial vehicle body is fixedly connected with an undercarriage; a surveying and mapping camera is fixedly connected to the bottom outer wall of the unmanned aerial vehicle body, a protection device is arranged on the bottom outer wall of the unmanned aerial vehicle body and located on the outer side of the surveying and mapping camera, and a cleaning device is rotationally connected to the outer side of the protection device. According to the utility model, the protective shell can be closed in a rainy day or a dusty environment, the protective shell is automatically cleaned, water stains and dirt are removed, the visual field is kept clear, the accuracy of surveying and mapping data is ensured, the lens of the surveying and mapping camera is prevented from being directly wiped, and the damage to the coating of the lens is reduced.

Description

Technical Field

[0001] The utility model relates to the technical field of geographic surveying and mapping, in particular to a multi-rotor unmanned aerial vehicle altitude geographic surveying and mapping device. Background Art

[0002] As an unmanned aircraft that is powered, radio-controlled or autonomously controlled, drones are increasingly showing their value in modern applications. Among them, multi-rotor drones have shown great potential and application value in many fields such as geographic surveying and mapping, disaster monitoring and aerial photography due to their small size, light weight, flexible controllability and ability to carry mission platforms.

[0003] After searching, a Chinese patent with announcement number CN218198822U discloses a surveying and mapping UAV based on remote sensing measurement technology, including a UAV body, a gimbal bracket is arranged on the lower side of the UAV body and between the support frames, a surveying and mapping instrument body is installed on the gimbal bracket, and a cleaning component is arranged on the upper inner side of the support frame.

[0004] The above patent directly wipes the lens surface of the surveying instrument body with a cleaning disk, but unless there are obvious stains or fingerprints on the lens surface, frequent cleaning is not required. Frequent cleaning may damage the lens coating. Utility Model Content

[0005] The purpose of the utility model is to provide a multi-rotor unmanned aerial vehicle altitude geographic surveying and mapping device, which solves the technical problems raised in the above-mentioned background technology.

[0006] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a multi-rotor unmanned aerial vehicle altitude geographic surveying and mapping equipment, comprising an unmanned aerial vehicle body, an arm fixedly connected to the outer wall of the unmanned aerial vehicle body, a propeller installed on the outer wall of the arm, a blade protection cover fixedly connected to the outer wall of the arm and located on the outer side of the propeller, a landing gear fixedly connected to the bottom outer wall of the unmanned aerial vehicle body, a surveying and mapping camera fixedly connected to the bottom outer wall of the unmanned aerial vehicle body, a protective device arranged on the bottom outer wall of the unmanned aerial vehicle body and located on the outer side of the surveying and mapping camera, and a cleaning device rotatably connected to the outer side of the protective device;

[0007] The protective device comprises a protective shell, the protective shell is rotatably connected to the bottom outer wall of the drone body, and the protective shell is symmetrically arranged on both sides of the surveying and mapping camera;

[0008] The cleaning device includes a driven gear three, the outer wall of which is rotatably connected to the outer wall of the protective shell, and two protective shells are each provided with a driven gear three, the outer walls of the two driven gears three are meshed, and the outer wall of the driven gear three is provided with a swing frame, and the outer wall of one side of the swing frame is fixedly connected to a mounting shell, and the inner wall of the mounting shell is clamped with a scraper, and the outer wall of the scraper abuts against the outer wall of the protective shell, and the outer wall of the protective shell is rotatably connected to a driving gear, and the outer wall of the protective shell is fixedly connected to a motor two, and the output shaft of the motor two is fixedly connected to the outer wall of the driving gear, and the driving gear meshes with the outer wall of one of the driven gears three.

[0009] Preferably, a mounting seat is fixedly connected to the bottom outer wall of the drone body, a rotating shaft is rotatably connected to the inner wall of the mounting seat, and the protective shell is fixedly connected to the outer wall of the rotating shaft.

[0010] Preferably, a movable frame is slidably connected to the bottom outer wall of the drone body, a motor 1 is fixedly connected to the bottom outer wall of the drone body, an incomplete gear is fixedly connected to the output shaft of the motor 1, tooth 1 is fixedly connected to the upper and lower inner walls of the movable frame near the middle part, the incomplete gear is intermittently meshed with the upper and lower tooth 1, a driven gear 1 and a driven gear 2 are respectively provided at one end of the rotating shaft of the two protective shells, tooth 2 and tooth 3 are respectively provided on the upper and lower inner walls of the movable frame near the two ends, the driven gear 1 is meshed with tooth 2, and the driven gear 2 is meshed with tooth 3.

[0011] Preferably, a slide plate is fixedly connected to the top outer wall of the movable frame, a slide groove is provided on the bottom outer wall of the drone body, and the outer wall of the slide plate is slidably connected to the inner wall of the slide groove.

[0012] Preferably, the tooth one, tooth two and tooth three are distributed on the movable frame in an array with equal spacing.

[0013] Preferably, the inner wall of the mounting shell is threadedly connected with fastening bolts, and the scraper is fixed in the mounting shell by the fastening bolts.

[0014] Compared with the related art, the multi-rotor UAV altitude geographic surveying and mapping device provided by the utility model has the following beneficial effects:

[0015] 1. The utility model provides a multi-rotor UAV altitude geographic surveying and mapping equipment. Through the protective device, the surveying and mapping camera can be effectively protected from external collision and damage during flight and take-off and landing. The opening and closing design of the protective shell can not only provide a clear field of view during surveying and mapping, but also protect the camera when not surveying and mapping, thereby improving the durability and service life of the equipment.

[0016] 2. The utility model provides a multi-rotor UAV altitude geographic mapping equipment, which can close the protective shell on rainy days or dusty environments, and automatically clean the protective shell to remove water stains and dirt, maintain a clear field of view, ensure the accuracy of mapping data, avoid direct wiping of the mapping camera lens, and reduce damage to the lens coating. BRIEF DESCRIPTION OF THE DRAWINGS

[0017] Figure 1 This is a schematic diagram of the structure of the utility model when viewed from above;

[0018] Figure 2 It is a three-dimensional structural schematic diagram of the utility model;

[0019] Figure 3 This is a schematic diagram of the protective device of the utility model when viewed from above;

[0020] Figure 4 For the utility model Figure 3 The enlarged structural diagram at A in the middle;

[0021] Figure 5 For the utility model Figure 3 The enlarged structural diagram at B in the middle;

[0022] Figure 6 This is a schematic diagram of the structure of the cleaning device of the utility model;

[0023] Figure 7 For the utility model Figure 6 Enlarged structural diagram at point C in the middle.

[0024] In the figure: 1. UAV body; 2. Machine arm; 3. Propeller; 4. Blade protection cover; 5. Landing gear; 6. Mapping camera; 7. Protective device; 701. Protective shell; 702. Mounting seat; 703. Rotating shaft; 704. Movable frame; 705. Slide plate; 706. Motor 1; 707. Incomplete gear; 708. Tooth 1; 709. Driven gear 1; 710. Tooth 2; 711. Driven gear 2; 712. Tooth 3; 8. Cleaning device; 801. Driven gear 3; 802. Swing frame; 803. Mounting shell; 804. Scraper; 805. Fastening bolt; 806. Motor 2; 807. Driving gear. DETAILED DESCRIPTION

[0025] The technical solutions in the embodiments of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, rather than all of the embodiments; based on the embodiments of the utility model, all other embodiments obtained by ordinary technicians in this field without making creative work are within the scope of protection of the utility model.

[0026] Embodiment 1:

[0027] See also Figure 1-Figure 5 The utility model provides a technical solution: a multi-rotor UAV altitude geographic mapping device, including a UAV body 1, an arm 2 is fixedly connected to the outer wall of the UAV body 1, a propeller 3 is installed on the outer wall of the arm 2, a blade protection cover 4 is fixedly connected to the outer wall of the arm 2 and located on the outer side of the propeller 3, a landing gear 5 is fixedly connected to the bottom outer wall of the UAV body 1, a mapping camera 6 is fixedly connected to the bottom outer wall of the UAV body 1, a protective device 7 is arranged on the bottom outer wall of the UAV body 1 and located on the outer side of the mapping camera 6, and a cleaning device 8 is rotatably connected to the outer side of the protective device 7.

[0028] The protection device 7 includes a protection shell 701, which is rotatably connected to the bottom outer wall of the drone body 1, and the protection shell 701 is symmetrically arranged on both sides of the surveying and mapping camera 6;

[0029] The bottom outer wall of the drone body 1 is fixedly connected with a mounting seat 702 , the inner wall of the mounting seat 702 is rotatably connected with a rotating shaft 703 , and the protective shell 701 is fixedly connected to the outer wall of the rotating shaft 703 .

[0030] Among them, the bottom outer wall of the drone body 1 is slidably connected with a movable frame 704, the bottom outer wall of the drone body 1 is fixedly connected with a motor 1 706, the output shaft of the motor 1 706 is fixedly connected with an incomplete gear 707, the movable frame 704 is fixedly connected with tooth 1 708 on both upper and lower inner walls near the middle part, and the incomplete gear 707 is intermittently meshed with the tooth 1 708 on both upper and lower sides, and one end of the rotating shaft 703 of the two protective shells 701 is respectively provided with a driven gear 1 709 and a driven gear 2 711, and the upper and lower inner walls of the movable frame 704 near both ends are respectively provided with tooth 2 710 and tooth 3 712, the driven gear 1 709 is meshed with tooth 2 710, and the driven gear 2 711 is meshed with tooth 3 712.

[0031] In this embodiment, the device protects the surveying and mapping camera 6 through the protective device 7. When in use, the motor 1 706 is started, and the motor 1 706 drives the incomplete gear 707 to rotate. When the incomplete gear 707 is engaged with the tooth 1 708 on the upper side, the movable frame 704 is driven to move to one side. When the incomplete gear 707 is engaged with the tooth 1 708 on the lower side, the movable frame 704 is driven to move in the opposite direction. The left and right movement of the movable frame 704, coupled with the cooperation of the tooth 2 710 and the tooth 3 712, makes the driven gear 1 709 and the driven gear 2 711 rotate clockwise and counterclockwise, and the two protective shells 701 rotate around the rotating shaft 703 to realize the opening and closing of the protective shell 701. When the protective shell 701 is opened, it is convenient for the surveying and mapping camera 6 to survey, and when the protective shell 701 is closed, it is convenient to protect the surveying and mapping camera 6.

[0032] The top outer wall of the movable frame 704 is fixedly connected with a slide plate 705 , the bottom outer wall of the drone body 1 is provided with a slide groove, and the outer wall of the slide plate 705 is slidably connected with the inner wall of the slide groove.

[0033] In this embodiment, the arrangement of the slide groove and the slide plate 705 limits the movement of the movable frame 704, thereby facilitating the horizontal movement of the movable frame 704.

[0034] Among them, tooth one 708 , tooth two 710 , and tooth three 712 are distributed on the movable frame 704 in an array with equal spacing.

[0035] Embodiment 2:

[0036] This embodiment is a further optimization of embodiment 1. On the basis of embodiment 1, Figure 1-Figure 7 As shown, the cleaning device 8 includes a driven gear three 801, the outer wall of which is rotatably connected to the outer wall of the protective shell 701, and the two protective shells 701 are both provided with driven gears three 801, the outer walls of the two driven gears three 801 are meshed, and the outer wall of the driven gear three 801 is provided with a swing frame 802, and the outer wall of one side of the swing frame 802 is fixedly connected to a mounting shell 803, and the inner wall of the mounting shell 803 is clamped with a scraper 804, and the outer wall of the scraper 804 is abutted against the outer wall of the protective shell 701, and the outer wall of the protective shell 701 is rotatably connected to a driving gear 807, and the outer wall of the protective shell 701 is fixedly connected to a motor two 806, and the output shaft of the motor two 806 is fixedly connected to the outer wall of the driving gear 807, and the driving gear 807 is meshed with the outer wall of one of the driven gears three 801.

[0037] In this embodiment, on rainy days or when there is a lot of dust, the protective shell 701 is closed, and the motor 2 806 is started to drive the driving gear 807 to rotate. The driving gear 807 drives one of the driven gears 3 801 to rotate. The two driven gears 3 801 rotate in opposite directions. The two driven gears 3 801 simultaneously drive the swing frame 802 to swing. The forward and reverse rotation of the motor 2 806 indirectly drives the swing frame 802 to swing up and down. The scraper 804 on the swing frame 802 scrapes and cleans the dirt and water stains on the protective shell 701.

[0038] The inner wall of the mounting shell 803 is threadedly connected with a fastening bolt 805 , and the scraper 804 is fixed in the mounting shell 803 by the fastening bolt 805 .

[0039] In this embodiment, the scraper 804 is fixed in the mounting shell 803 by means of fastening bolts 805 , and the scraper 804 can be easily removed and replaced by loosening the fastening bolts 805 .

[0040] Working principle: The equipment protects the surveying and mapping camera 6 through the protective device 7. When in use, start the motor 1 706, the motor 1 706 drives the incomplete gear 707 to rotate, when the incomplete gear 707 is engaged with the tooth 1 708 on the upper side, it drives the movable frame 704 to move to one side, when the incomplete gear 707 is engaged with the tooth 1 708 on the lower side, it drives the movable frame 704 to move in the opposite direction, the left and right movement of the movable frame 704, plus the cooperation of the tooth 2 710 and the tooth 3 712, makes the driven gear 1 709 and the driven gear 2 711 rotate clockwise and counterclockwise, and the two protective shells 701 rotate around the rotating shaft 703 to realize the opening and closing of the protective shell 701, when the protective shell 701 is opened, it is convenient for the surveying and mapping camera 6 to survey, and when the protective shell 701 is closed, it is convenient to protect the surveying and mapping camera 6.

[0041] On rainy days or when there is a lot of dust, the protective shell 701 is closed, and the motor 2 806 is started to drive the driving gear 807 to rotate. The driving gear 807 drives one of the driven gears 3 801 to rotate. The two driven gears 3 801 rotate in opposite directions. The two driven gears 3 801 simultaneously drive the swing frame 802 to swing. The swing frame 802 is indirectly driven to swing up and down through the forward and reverse rotation of the motor 2 806. The scraper 804 on the swing frame 802 scrapes and cleans the dirt and water stains on the protective shell 701.

[0042] The above description is only a preferred specific implementation manner of the present invention, but the protection scope of the present invention is not limited thereto. Any technician familiar with the technical field can make equivalent replacements or changes within the technical scope disclosed by the present invention according to the technical scheme and the utility model concept of the present invention, which should be covered by the protection scope of the present invention.

Claims

1. A multi-rotor unmanned aerial vehicle altitude geographic surveying and mapping device, comprising an unmanned aerial vehicle body (1), an arm (2) fixedly connected to the outer wall of the unmanned aerial vehicle body (1), a propeller (3) mounted on the outer wall of the arm (2), a blade protection cover (4) fixedly connected to the outer wall of the arm (2) and located outside the propeller (3), and a landing gear (5) fixedly connected to the bottom outer wall of the unmanned aerial vehicle body (1), characterized in that: A surveying camera (6) is fixedly connected to the bottom outer wall of the drone body (1); a protective device (7) is provided on the bottom outer wall of the drone body (1) and located outside the surveying camera (6); a cleaning device (8) is rotatably connected to the outside of the protective device (7); The protective device (7) comprises a protective shell (701), the protective shell (701) is rotatably connected to the bottom outer wall of the drone body (1), and the protective shell (701) is symmetrically arranged on both sides of the surveying and mapping camera (6); The cleaning device (8) comprises a driven gear three (801), the outer wall of the driven gear three (801) is rotatably connected to the outer wall of the protective shell (701), the two protective shells (701) are each provided with a driven gear three (801), the outer walls of the two driven gears three (801) are meshed, the outer wall of the driven gear three (801) is provided with a swing frame (802), one side outer wall of the swing frame (802) is fixedly connected to a mounting shell (803), and the mounting shell (803) is ) is clamped with a scraper (804) on its inner wall, the outer wall of the scraper (804) is in contact with the outer wall of the protective shell (701), the outer wall of the protective shell (701) is rotatably connected with a driving gear (807), the outer wall of the protective shell (701) is fixedly connected with a motor 2 (806), the output shaft of the motor 2 (806) is fixedly connected with the outer wall of the driving gear (807), and the driving gear (807) is meshed with the outer wall of one of the driven gears 3 (801).

2. A multi-rotor UAV altitude geographic surveying and mapping device according to claim 1, characterized in that: The bottom outer wall of the drone body (1) is fixedly connected to a mounting seat (702), the inner wall of the mounting seat (702) is rotatably connected to a rotating shaft (703), and the protective shell (701) is fixedly connected to the outer wall of the rotating shaft (703).

3. The multi-rotor UAV altitude geographic surveying and mapping device according to claim 1, characterized in that: The bottom outer wall of the drone body (1) is slidably connected to a movable frame (704), the bottom outer wall of the drone body (1) is fixedly connected to a motor 1 (706), the output shaft of the motor 1 (706) is fixedly connected to an incomplete gear (707), the movable frame (704) is fixedly connected to the upper and lower inner walls near the middle part with tooth 1 (708), the incomplete gear (707) is intermittently meshed with the upper and lower tooth 1 (708), one end of the rotating shaft (703) of the two protective shells (701) is respectively provided with a driven gear 1 (709) and a driven gear 2 (711), the upper and lower inner walls of the movable frame (704) near the two ends are respectively provided with tooth 2 (710) and tooth 3 (712), the driven gear 1 (709) is meshed with tooth 2 (710), and the driven gear 2 (711) is meshed with tooth 3 (712).

4. A multi-rotor UAV altitude geographic surveying and mapping device according to claim 3, characterized in that: The top outer wall of the movable frame (704) is fixedly connected with a slide plate (705), the bottom outer wall of the drone body (1) is provided with a slide groove, and the outer wall of the slide plate (705) is slidably connected with the inner wall of the slide groove.

5. The multi-rotor UAV altitude geographic surveying and mapping device according to claim 3, characterized in that: The tooth one (708), tooth two (710), and tooth three (712) are distributed on the movable frame (704) in an array with equal spacing.

6. The multi-rotor UAV altitude geographic surveying and mapping device according to claim 1, characterized in that: The inner wall of the mounting shell (803) is threadedly connected with a fastening bolt (805), and the scraper (804) is fixed in the mounting shell (803) by the fastening bolt (805).

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