Aerial photography unmanned aerial vehicle for surveying and mapping

Abstract

The aerial photography unmanned aerial vehicle comprises a vehicle body, and vehicle arms are symmetrically and fixedly connected to the four sides of the vehicle body. When the aerial photography unmanned aerial vehicle for surveying and mapping is used, blades are protected through a protection mechanism, the blades are prevented from being damaged due to collision, when the blades need to be replaced, a pressing rod is pressed, the pressing rod drives a fixing rod through a transmission piece and a pull rope to overcome the elastic force of a spring and move out of a clamping groove, and then the blades can drive a T-shaped block to move out of a T-shaped groove; when the T-shaped block abuts against the curved surface of the fixing rod, the fixing rod is stressed to overcome the elastic force of the spring and retract into the fixing rod groove, when the fixing rod groove is aligned with the clamping groove, the spring pushes the fixing rod to be inserted into the clamping groove, and then the blade can be fixedly installed on the rotating piece. Through the mounting structure of the blade, replacement can be completed without assistance of tools, and the replacement efficiency of the blade is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of unmanned aerial vehicles (UAVs), in particular to an aerial photography UAV for surveying and mapping. Background Art

[0002] UAV aerial surveying is a powerful supplement to traditional aerial photogrammetry methods. It has the characteristics of mobility, flexibility, high efficiency, precision and accuracy, low operating cost, wide application range and short production cycle. It has obvious advantages in quickly obtaining high-resolution images in small areas and areas where flying is difficult.

[0003] When using existing aerial photography drones for surveying and mapping, it is necessary to select blades of different sizes according to requirements such as flight performance and load capacity. When replacing the blades of existing aerial photography drones, the blades are installed by screws, and tools are needed to assist in replacing the blades. In addition, the replacement is laborious, and the replacement cannot be completed without tools, which is inconvenient to use. Therefore, we propose an aerial photography drone for surveying and mapping to solve the above problems. Utility Model Content

[0004] 1. Technical problems to be solved by the utility model:

[0005] The purpose of the present invention is to provide an aerial photography drone for surveying and mapping, so as to solve the problems in the current market raised by the above-mentioned background technology.

[0006] 2. Technical solution:

[0007] To achieve the above-mentioned purpose, the present invention provides the following technical solution: a surveying and mapping aerial photography drone, comprising a body, four sides of which are symmetrically fixedly connected to arms, and motors are installed at the ends of the arms away from the body, wherein:

[0008] The shaft end of the motor is mounted with a rotating member, blades are symmetrically mounted on four sides of the rotating member, a protective mechanism is mounted on the outer side of the machine arm corresponding to the blade, a T-shaped slot is provided on one side of the rotating member corresponding to the blade, a T-shaped block is fixedly connected to one end of the blade corresponding to the T-shaped slot, a fixing rod slot is provided inside the rotating member corresponding to the T-shaped slot, a clamping slot is provided on one side of the T-shaped block corresponding to the fixing rod slot, and a spring is mounted inside the fixing rod slot;

[0009] A fixing rod is installed on the open side of the spring near the fixing rod groove, a transmission groove is opened in the middle part of the inner side of the rotating part, a transmission part is arranged in the transmission groove, the fixed rod groove is connected with the transmission groove through a pull rope groove, a pull rope is fixedly connected between the transmission part and the fixed rod, a pressure rod groove is connected to the top of the transmission groove corresponding to the rotating part, and a pressure rod is fixedly connected to the top of the pressure rod groove corresponding to the transmission part.

[0010] Preferably, an aerial camera is installed directly below the body, and a support leg is installed below the arm near the middle.

[0011] Preferably, the protective mechanism includes a protective cover, a protective cover is provided on the outside of the blade, a protective grid is installed on the top of the protective cover, the protective cover is fixedly connected to a mounting bracket on the side close to the machine arm, a mounting slot is passed through the mounting bracket, a mounting rod is fixedly connected to the top of the machine arm corresponding to the mounting slot, a screw is fixedly connected to the top of the mounting rod, and a nut is provided above the screw.

[0012] Preferably, the mounting rod is in the shape of a rectangular column, and the outer dimensions of the mounting rod match the inner dimensions of the mounting slot.

[0013] Preferably, the upper portion of the end of the fixing rod away from the spring is a curved surface, and the outer dimensions of the fixing rod match the inner dimensions of the slot.

[0014] Preferably, the transmission member is connected to the fixed rod via a pull rope.

[0015] 3.Beneficial effects:

[0016] Compared with the prior art, the technical solution provided by the present invention is as follows:

[0017] (1) When the drone is in use, the blades are protected by a protective mechanism to prevent the blades from being damaged by collision. When the blades need to be replaced, the pressure rod is pressed. The pressure rod drives the fixing rod through the transmission part and the pull rope to overcome the spring elastic force and move out of the card slot, so that the blade drives the T-shaped block to move out of the T-shaped slot. After the blade is disassembled, the blade to be installed is taken out and the blade drives the T-shaped block to be inserted into the T-shaped slot. When the T-shaped block is against the curved surface of the fixing rod, the fixing rod is forced to overcome the spring elastic force and retract into the fixing rod slot. When the fixing rod slot is aligned with the card slot, the spring pushes the fixing rod into the card slot, and the blade can be fixed on the rotating part. Through this blade installation structure, the replacement can be completed without the assistance of tools, and the efficiency of blade replacement is effectively improved.

[0018] (2) When the blades need to be replaced, first unscrew the nut and remove the protective cover. After the blades are replaced, put the protective cover on the outside of the blades, insert the mounting rod into the mounting groove, screw on the nut, and make the bottom of the nut rest against the mounting bracket to fix the protective cover. This protective mechanism can not only protect the blades, but also facilitate disassembly and assembly, so that the blades can be disassembled and assembled. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 This is a schematic diagram of the three-dimensional structure of the utility model;

[0020] Figure 2 This is a schematic diagram of the blade installation structure of the utility model;

[0021] Figure 3 For this utility model Figure 1 A schematic diagram of the partially enlarged structure at center A;

[0022] Figure 4 For this utility model Figure 2 Schematic diagram of the locally enlarged structure at point B in the middle.

[0023] In the figure: 1. Body; 2. Arm; 3. Aerial camera; 4. Leg; 5. Motor; 6. Rotating part; 7. Blade; 8. Protective cover; 9. Protective grid; 10. Mounting bracket; 11. Mounting slot; 12. Mounting rod; 13. Screw; 14. Nut; 15. T-slot; 16. T-block; 17. Fixing rod slot; 18. Card slot; 19. Spring; 20. Fixing rod; 21. Transmission slot; 22. Transmission part; 23. Rope slot; 24. Rope; 25. Pressure rod slot; 26. Pressure rod. DETAILED DESCRIPTION

[0024] To facilitate understanding of the present invention, the following will be combined with the accompanying drawings of the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the embodiments described are only part of the embodiments of the present invention, not all of the embodiments. Based on the embodiments of the present invention, all other embodiments obtained by ordinary technicians in this field without making creative efforts shall fall within the scope of protection of the present invention.

[0025] In the description of the present invention, it should be understood that the terms "center", "longitudinal", "lateral", "length", "width", "thickness", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "page", "bottom", "inside", "outside", "clockwise", "counterclockwise", etc., indicating the orientation or position relationship, are based on the orientation or position relationship shown in the accompanying drawings, and are only for the convenience of describing the present invention and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and therefore cannot be understood as a limitation on the present invention.

[0026] Furthermore, the terms "first" and "second" are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of the technical features being referred to. Thus, features specified as "first" or "second" may explicitly or implicitly include one or more of such features. In the description of this utility model, "plurality" means two or more, unless otherwise specifically defined.

[0027] In this utility model, unless otherwise specified or limited, the terms "installed," "connected," "connected," "fixed," "provided with," etc. should be understood in a broad sense. For example, they can refer to fixed connection, detachable connection, or integral connection; mechanical connection or electrical connection; direct connection or indirect connection through an intermediate medium; or internal communication between two components. Those skilled in the art will understand the specific meanings of the above terms in this utility model based on specific circumstances. Example

[0028] See also Figures 1 to 4 A surveying and mapping aerial photography drone includes a body 1, four sides of which are symmetrically fixedly connected to an arm 2, and an end of the arm 2 away from the body 1 is equipped with a motor 5, wherein:

[0029] A rotating member 6 is mounted on the shaft end of the motor 5. Blades 7 are symmetrically mounted on the four sides of the rotating member 6. A protective mechanism is mounted on the outer side of the arm 2 corresponding to the blade 7. A T-shaped slot 15 is formed on the side of the rotating member 6 corresponding to the blade 7. A T-shaped block 16 is fixedly connected to one end of the blade 7 corresponding to the T-shaped slot 15. A fixing rod slot 17 is formed inside the rotating member 6 corresponding to the T-shaped slot 15. A clamping slot 18 is formed on the side of the T-shaped block 16 corresponding to the fixing rod slot 17. A spring 19 is mounted inside the fixing rod slot 17.

[0030] A fixing rod 20 is installed on the open side of the spring 19 near the fixing rod groove 17. A transmission groove 21 is opened in the middle of the inner side of the rotating member 6. A transmission member 22 is provided in the transmission groove 21. The fixing rod groove 17 is connected to the transmission groove 21 through a rope groove 23. A rope 24 is fixedly connected between the transmission member 22 and the fixing rod 20. A pressure rod groove 25 is connected to the top of the rotating member 6 corresponding to the transmission groove 21. A pressure rod 26 is fixedly connected to the top of the pressure rod groove 25 corresponding to the transmission member 22.

[0031] When the drone is in use, the blade 7 is protected by the protective mechanism to prevent the blade 7 from being damaged by collision. When the blade 7 needs to be replaced, the pressure rod 26 is pressed, and the pressure rod 26 drives the fixing rod 20 to overcome the elastic force of the spring 19 and move out of the card slot 18 through the transmission member 22 and the pull rope 24, so that the blade 7 drives the T-shaped block 16 to move out of the T-shaped slot 15, and the blade 7 is disassembled. The blade 7 to be installed is taken out, and the blade 7 drives the T-shaped block 16 to insert into the T-shaped slot 15. When the T-shaped block 16 is against the curved surface of the fixing rod 20, the fixing rod 20 is forced to overcome the elastic force of the spring 19 and retract into the fixing rod groove 17. When the fixing rod groove 17 is aligned with the card slot 18, the spring 19 pushes the fixing rod 20 to insert into the card slot 18, and the blade 7 can be fixedly installed on the rotating member 6. Through the installation structure of the blade 7, replacement can be completed without the assistance of tools, and the replacement efficiency of the blade 7 is effectively improved.

[0032] See also Figures 1 to 4 , an aerial camera 3 is installed just below the body 1, a support leg 4 is installed below the arm 2 near the middle, a protective mechanism includes a protective cover 8, a protective cover 8 is provided on the outside of the blade 7, a protective grid 9 is installed on the top of the protective cover 8, a mounting bracket 10 is fixedly connected to the side of the protective cover 8 near the arm 2, a mounting slot 11 is passed through the mounting bracket 10, a mounting rod 12 is fixedly connected to the top of the mounting slot 11 of the arm 2, a screw 13 is fixedly connected to the top of the mounting rod 12, a nut 14 is provided above the screw 13, and the mounting rod 12 is a rectangular column, and the outer dimensions of the mounting rod 12 match the inner dimensions of the mounting groove 11. When the blade 7 needs to be replaced, first unscrew the nut 14 and then remove the protective cover 8. After the blade 7 is replaced, the protective cover 8 is placed on the outside of the blade 7. At the same time, the mounting rod 12 is inserted into the mounting groove 11, and the nut 14 is screwed on so that the bottom of the nut 14 rests against the mounting bracket 10 to fix the protective cover 8. This protective mechanism can not only protect the blade 7, but also facilitate disassembly and assembly, so that the blade 7 can be disassembled and assembled.

[0033] See also Figures 1 to 4 The upper portion of one end of the fixing rod 20 away from the spring 19 is a curved surface, and the outer dimensions of the fixing rod 20 coincide with the inner dimensions of the card slot 18 . The transmission member 22 is connected to the fixing rod 20 through a pull rope 24 .

[0034] Working principle: When using the surveying and mapping drone, Figures 1 to 4 As shown, first, when the aerial photography drone is in use, the blade 7 is protected by the protective mechanism to prevent the blade 7 from being damaged by collision. When the blade 7 needs to be replaced, the pressure rod 26 is pressed, and the pressure rod 26 drives the fixing rod 20 to overcome the elastic force of the spring 19 and move out of the card slot 18 through the transmission member 22 and the pull rope 24, so that the blade 7 drives the T-shaped block 16 to move out of the T-shaped slot 15. After the blade 7 is disassembled, the blade 7 to be installed is taken out, and the blade 7 drives the T-shaped block 16 to be inserted into the T-shaped slot 15. When the T-shaped block 16 is against the curved surface of the fixing rod 20, the fixing rod 20 is forced to overcome the elastic force of the spring 19 and retract into the fixing rod slot 17. When the fixing rod slot 17 is aligned with the card slot 18 , the spring 19 pushes the fixing rod 20 to insert into the card slot 18, so that the blade 7 can be fixedly installed on the rotating member 6. Through the installation structure of the blade 7, the replacement can be completed without the assistance of tools, and the replacement efficiency of the blade 7 is effectively improved. When the blade 7 needs to be replaced, first unscrew the nut 14, and the protective cover 8 can be removed. After the blade 7 is replaced, the protective cover 8 is sleeved on the outside of the blade 7, and the mounting rod 12 is inserted into the mounting groove 11, and the nut 14 is screwed on so that the bottom of the nut 14 is against the mounting bracket 10 to fix the protective cover 8. This protective mechanism can not only protect the blade 7, but also facilitate disassembly and assembly, so that the blade 7 can be disassembled and assembled.

[0035] The contents not described in detail in this specification belong to the prior art known to those skilled in the art.

[0036] Although the present invention has been described in detail with reference to the aforementioned embodiments, those skilled in the art can still modify the technical solutions described in the aforementioned embodiments, or make equivalent substitutions for some of the technical features therein. Any modifications, equivalent substitutions, improvements, etc. made within the spirit and principles of the present invention should be included in the scope of protection of the present invention.

Claims

1. A drone for surveying and mapping, characterized in that: The machine body (1) comprises a machine body (1), wherein four sides of the machine body (1) are symmetrically fixedly connected to a machine arm (2), and an end of the machine arm (2) away from the machine body (1) is equipped with a motor (5), wherein: A rotating member (6) is mounted on the shaft end of the motor (5), blades (7) are symmetrically mounted on four sides of the rotating member (6), a protective mechanism is mounted on the outer side of the arm (2) corresponding to the blade (7), a T-shaped slot (15) is provided on one side of the rotating member (6) corresponding to the blade (7), a T-shaped block (16) is fixedly connected to one end of the blade (7) corresponding to the T-shaped slot (15), a fixed rod slot (17) is provided inside the rotating member (6) corresponding to the T-shaped slot (15), a clamping slot (18) is provided on one side of the T-shaped block (16) corresponding to the fixed rod slot (17), and a spring (19) is mounted inside the fixed rod slot (17); A fixing rod (20) is installed on the open side of the spring (19) close to the fixing rod groove (17), a transmission groove (21) is opened in the middle of the inner side of the rotating member (6), a transmission member (22) is arranged in the transmission groove (21), the fixing rod groove (17) is connected to the transmission groove (21) through a rope groove (23), a rope (24) is fixedly connected between the transmission member (22) and the fixing rod (20), a pressure rod groove (25) is connected to the top of the rotating member (6) corresponding to the transmission groove (21), and a pressure rod (26) is fixedly connected to the top of the pressure rod groove (25) of the transmission member (22).

2. The surveying and mapping drone according to claim 1, characterized in that: An aerial camera (3) is installed directly below the machine body (1), and a support leg (4) is installed below the machine arm (2) near the middle.

3. The surveying and mapping drone according to claim 1, characterized in that: The protective mechanism comprises a protective cover (8), a protective cover (8) is provided on the outer side of the blade (7), a protective grid (9) is installed on the top of the protective cover (8), a mounting bracket (10) is fixedly connected to the side of the protective cover (8) close to the machine arm (2), a mounting groove (11) is passed through the mounting bracket (10), a mounting rod (12) is fixedly connected to the top of the machine arm (2) corresponding to the mounting groove (11), a screw rod (13) is fixedly connected to the top of the mounting rod (12), and a nut (14) is provided above the screw rod (13).

4. The surveying and mapping drone according to claim 3, characterized in that: The mounting rod (12) is in the shape of a rectangular column, and the outer dimensions of the mounting rod (12) match the inner dimensions of the mounting groove (11).

5. The surveying and mapping drone according to claim 1, characterized in that: The upper portion of one end of the fixing rod (20) away from the spring (19) is a curved surface, and the outer dimensions of the fixing rod (20) match the inner dimensions of the slot (18).

6. The surveying and mapping drone according to claim 1, characterized in that: The transmission member (22) is in transmission connection with the fixed rod (20) via a pull rope (24).

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