Mechanical arm based on unmanned aerial vehicle

Abstract

The utility model relates to the technical field of mechanical arms for unmanned aerial vehicles, in particular to a mechanical arm based on an unmanned aerial vehicle, which comprises a mechanical arm rotating base, the mechanical arm rotating base is connected with a mechanical arm joint, and a detachable end frame is mounted at the execution tail end of the mechanical arm joint. A plurality of clamping blocks which are distributed in an annular mode are arranged at one end of the end frame, one side of each clamping block is connected with a detachable overturning piece which is installed on the end frame, a detachable connecting assembly is connected between each overturning piece and the corresponding clamping block, and a lifting assembly is installed in the end frame. The telescopic end of the lifting assembly penetrates through the outer side wall of the end frame to be rotationally connected with one side of the overturning piece, and through the detachable design of the end frame, the overturning piece and the connecting assembly, disassembly, assembly and maintenance of the mechanical arm are facilitated.

Description

A robotic arm based on drones Technical Field

[0001] This utility model relates to the field of robotic arms for unmanned aerial vehicles (UAVs), specifically a robotic arm for UAVs. Background Technology

[0002] With the continuous advancement of science and technology, the drone industry is gradually growing. Multirotor aircraft, due to their simple mechanical structure, simple power system, and ability to take off and land vertically, have developed rapidly. Researchers have flocked to them, and a global trend of commercializing multirotor aircraft has emerged. Most existing drones use fixed-structure robotic arms, which are inconvenient to disassemble and maintain. Summary of the Invention

[0003] The purpose of this invention is to provide a robotic arm for use with unmanned aerial vehicles (UAVs) to solve the problems mentioned in the background art.

[0004] The technical solution of this utility model is: a robotic arm for use in unmanned aerial vehicles, including a robotic arm rotating base, a robotic arm joint connected to the robotic arm rotating base, a detachable end frame installed at the end of the robotic arm joint, a plurality of clamping blocks arranged in a ring at one end of the end frame, a detachable flipping component installed on the end frame connected to one side of the clamping block, a detachable connecting component connecting the flipping component and the clamping block, a lifting component installed inside the end frame, and the telescopic end of the lifting component passing through the outer wall of the end frame and rotatably connected to one side of the flipping component.

[0005] The effects achieved by the above components are as follows: through the working cooperation between the robotic arm rotating base, robotic arm joints, end frame, gripping blocks, flipping components, connecting components, and lifting components, the robotic arm rotating base drives the robotic arm joints to rotate, providing the robotic arm with a multi-angle operating range. The end frame, as the carrier of the execution end, has multiple gripping blocks at one end that can be used to grasp objects. The telescopic end of the lifting component drives the flipping components to rotate, enabling the gripping blocks to perform corresponding actions, thus realizing the robotic arm's purpose of grasping and manipulating objects, increasing the robotic arm's operational flexibility and functionality. At the same time, the detachable design of the end frame, flipping components, and connecting components facilitates the disassembly, assembly, and maintenance of the robotic arm.

[0006] Preferably, the flipping component includes a vertical block fixed on the end frame, a flipping seat rotatably mounted on the vertical block, a rotating rod rotatably connected between one side of the flipping seat and the telescopic end of the lifting assembly, and the clamping block is mounted on the flipping seat through the connecting assembly.

[0007] The effect achieved by the above components is as follows: through the working cooperation between the vertical block, the flipping seat, the rotating rod and the lifting assembly, the telescopic end of the lifting assembly drives the flipping seat to rotate around the vertical block through the rotating rod, thereby causing the clamping block installed on the flipping seat to move, realizing the purpose of flipping the clamping block, and improving the diversity and adaptability of the clamping block in grasping items.

[0008] Preferably, a groove block is fixed at the bottom of the vertical block, and a slot for positioning and assembling the groove block is provided on the end frame.

[0009] The effect achieved by the above components is as follows: through the working cooperation between the groove at the bottom of the vertical block and the slot on the end frame, the groove is positioned and assembled in the slot, realizing the accurate installation and positioning of the flipping part on the end frame, and increasing the stability and accuracy of the installation of the flipping part.

[0010] Preferably, the lifting assembly includes a screw rotatably installed inside the end frame. One end of the screw is connected to a drive motor via a gear set. A lifting plate is threaded onto the screw. A slide rod corresponding to the flipping seat is fixed on the lifting plate. The end of the slide rod away from the lifting plate passes through the outer wall of the end frame and is rotatably connected to the rotating rod.

[0011] The effect achieved by the above components is as follows: through the working cooperation between the screw, drive motor, lifting plate and slide bar, the drive motor drives the screw to rotate through the gear set, so that the lifting plate with the threaded sleeve on the screw can move up and down. The slide bar on the lifting plate moves up and down accordingly, thereby driving the rotating rod and the flipping seat to move. This achieves the purpose of controlling the flipping action of the clamping block through motor drive, and improves the automation level of the robotic arm operation.

[0012] Preferably, the connecting assembly includes a connecting groove formed on the flip seat, an extension block adapted to the connecting groove is fixed at the bottom end of the clamping block, a connecting hole is formed on the extension block, and a locking bolt passing through the connecting hole is threaded into the outer side of the flip seat.

[0013] The effect achieved by the above components is as follows: through the working cooperation between the connecting groove, the extension block, the connecting hole and the locking bolt, the extension block at the bottom of the clamping block is inserted into the connecting groove on the flipping seat, and the locking bolt passes through the connecting hole to fix the extension block on the flipping seat, thus realizing the purpose of detachable installation of the clamping block on the flipping seat, which facilitates the replacement and maintenance of the clamping block.

[0014] Preferably, a side groove is provided on the outer side of the end frame, and a camera for visual recognition is installed in the side groove.

[0015] The effect achieved by the above components is as follows: the camera in the side slot on the outer side of the end frame can perform visual recognition, realizing the purpose of the robotic arm to obtain visual information during operation, and increasing the accuracy and intelligence of the robotic arm operation.

[0016] This utility model provides an improved robotic arm for drones, which has the following improvements and advantages compared with the prior art:

[0017] Firstly, this utility model uses a rotating base to drive the joints of the robotic arm to rotate, providing the robotic arm with a multi-angle operating range. The end frame serves as the carrier of the execution end, and multiple gripping blocks at one end can be used to grasp objects. The telescopic end of the lifting component drives the flipping component to rotate, enabling the gripping blocks to perform corresponding actions, thus realizing the robotic arm's purpose of grasping and manipulating objects, increasing the robotic arm's operational flexibility and functionality. At the same time, the detachable design of the end frame, flipping component, and connecting components facilitates the disassembly and maintenance of the robotic arm.

[0018] Secondly, this utility model achieves the purpose of detachable installation of the clamping block on the flip base by working together with the connecting groove, the extension block, the connecting hole and the locking bolt. The extension block at the bottom of the clamping block is inserted into the connecting groove on the flip base, and the locking bolt passes through the connecting hole to fix the extension block on the flip base, which facilitates the replacement and maintenance of the clamping block. Attached Figure Description

[0019] The present invention will be further explained below with reference to the accompanying drawings and embodiments:

[0020] Figure 1 is a three-dimensional structural diagram of this utility model;

[0021] Figure 2 is a partial three-dimensional structural schematic diagram of this utility model;

[0022] Figure 3 is a schematic diagram of the three-dimensional structure of the clamping block assembly in this utility model.

[0023] Explanation of reference numerals in the attached figures:

[0024] 1. Rotating base of robotic arm; 2. Joint of robotic arm; 3. End frame; 4. Clamping block; 5. Camera; 6. Lifting assembly; 61. Screw; 62. Lifting plate; 63. Slide rod; 64. Drive motor; 7. Tilting component; 71. Slot block; 72. Vertical block; 73. Rotating rod; 74. Tilting seat; 8. Connecting assembly; 81. Extension block; 82. Connecting hole; 83. Connecting slot; 84. Locking bolt; 9. Slot. Detailed Implementation

[0025] The present invention will now be described in detail, and the technical solutions in the embodiments of the present invention will be clearly and completely described. Obviously, the described embodiments are only some embodiments of the present invention, and not all embodiments. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the protection scope of the present invention.

[0026] This utility model provides an improved robotic arm for use with drones. The technical solution of this utility model is as follows:

[0027] In an embodiment of this utility model, as shown in Figures 1-3, a robotic arm for use with unmanned aerial vehicles includes a robotic arm rotating base 1. The robotic arm rotating base 1 is connected to a robotic arm joint 2. The robotic arm rotating base 1 drives the robotic arm joint 2 to rotate, providing a multi-angle operating range for the robotic arm. A detachable end frame 3 is installed at the end of the robotic arm joint 2. The end frame 3 serves as the carrier of the end of the execution. A side groove is opened on the outside of the end frame 3, and a camera 5 for visual recognition is installed in the side groove. Through the camera 5 in the side groove on the outside of the end frame 3, the camera 5 can perform visual recognition, realizing the purpose of the robotic arm to obtain visual information during operation. A plurality of clamping blocks 4 are provided at one end of the end frame 3 in a ring shape. A detachable flipping component 7 is connected to one side of the clamping block 4 and is mounted on the end frame 3. A detachable connecting component 8 is connected between the flipping component 7 and the clamping block 4. A lifting component 6 is installed inside the end frame 3. The telescopic end of the lifting component 6 passes through the outer wall of the end frame 3 and is rotatably connected to one side of the flipping component 7.

[0028] In this embodiment of the present invention, the flipping component 7 includes a vertical block 72 fixed on the end frame 3, a flipping seat 74 rotatably mounted on the vertical block 72, a rotating rod 73 rotatably connected between one side of the flipping seat 74 and the telescopic end of the lifting assembly 6, and a clamping block 4 mounted on the flipping seat 74 via a connecting assembly 8. The lifting assembly 6 includes a screw 61 rotatably mounted inside the end frame 3, one end of the screw 61 being driven by a gear set to a drive motor 64, a lifting plate 62 threaded onto the screw 61, and a sliding rod 63 corresponding to the flipping seat 74 fixed on the lifting plate 62. The end of the sliding rod 63 away from the lifting plate 62 passes through the outer wall of the end frame 3 and is rotatably connected to the rotating rod 73. Through the working cooperation between the screw 61, the drive motor 64, the lifting plate 62, and the sliding rod 63, the drive motor 64 drives the screw 61 to rotate via the gear set, causing the lifting plate 62 threaded onto the screw 61 to move up and down, and the sliding rod 63 on the lifting plate 62 to move up and down accordingly, thereby driving the rotating rod 73 and the flipping seat. Action 74 achieves the flipping operation of clamping block 4. A groove block 71 is fixed to the bottom of vertical block 72. A slot 9 for positioning and assembling the groove block 71 is provided on the end frame 3. Through the working cooperation between the groove block 71 at the bottom of vertical block 72 and the slot 9 on the end frame 3, the groove block 71 is positioned and assembled in the slot 9, achieving accurate installation and positioning of the flipping component 7 on the end frame 3. The connecting assembly 8 includes a connecting groove 83 opened on the flipping base 74. The bottom of clamping block 4 is fixed with a part adapted to the connecting groove 83. The extension block 81 has a connecting hole 82. The outer side of the flip seat 74 is threaded with a locking bolt 84 that passes through the connecting hole 82. Through the working cooperation between the connecting groove 83, the extension block 81, the connecting hole 82 and the locking bolt 84, the extension block 81 at the bottom of the clamping block 4 is inserted into the connecting groove 83 on the flip seat 74. The locking bolt 84 passes through the connecting hole 82 to fix the extension block 81 on the flip seat 74, thus realizing the purpose of detachable installation of the clamping block 4 on the flip seat 74.

[0029] The working principle of the robotic arm for drones provided by this utility model is as follows: The robotic arm rotating base 1 drives the robotic arm joint 2 to rotate, providing the robotic arm with a multi-angle operating range. The camera 5 can perform visual recognition, realizing the purpose of the robotic arm to acquire visual information during operation. The end frame 3 serves as the carrier of the execution end, and multiple clamping blocks 4 at one end can be used to grasp objects. The drive motor 64 drives the screw 61 to rotate through the gear set, so that the lifting plate 62 threaded on the screw 61 can move up and down. The sliding rod 63 on the lifting plate 62 moves up and down accordingly, thereby driving the rotating rod 73 and the clamping blocks 4 on the flipping seat 74 to achieve corresponding actions, realizing the purpose of the robotic arm to grasp and operate objects. The extension block 81 at the bottom of the clamping block 4 is inserted into the connecting groove 83 on the flipping seat 74. The locking bolt 84 passes through the connecting hole 82 to fix the extension block 81 on the flipping seat 74, realizing the purpose of detachable installation of the clamping block 4 on the flipping seat 74.

[0030] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. A robotic arm for use with unmanned aerial vehicles, comprising a robotic arm rotating base (1), characterized in that: The robotic arm rotating base (1) is connected to a robotic arm joint (2). The execution end of the robotic arm joint (2) is equipped with a detachable end frame (3). One end of the end frame (3) is provided with a plurality of clamping blocks (4) arranged in a ring. One side of the clamping block (4) is connected to a detachable flipping component (7) installed on the end frame (3). A detachable connecting component (8) is connected between the flipping component (7) and the clamping block (4). A lifting component (6) is installed inside the end frame (3). The telescopic end of the lifting component (6) passes through the outer wall of the end frame (3) and is rotatably connected to one side of the flipping component (7).

2. The robotic arm for use with unmanned aerial vehicles according to claim 1, characterized in that: The flipping component (7) includes a vertical block (72) fixed on the end frame (3), a flipping seat (74) is rotatably mounted on the vertical block (72), a rotating rod (73) is rotatably connected between one side of the flipping seat (74) and the telescopic end of the lifting assembly (6), and the clamping block (4) is mounted on the flipping seat (74) through the connecting assembly (8).

3. The robotic arm for use with unmanned aerial vehicles according to claim 2, characterized in that: The bottom end of the vertical block (72) is fixed with a groove block (71), and the end frame (3) is provided with a slot (9) for positioning and assembling the groove block (71).

4. A robotic arm for use with unmanned aerial vehicles according to claim 2, characterized in that: The lifting assembly (6) includes a screw (61) rotatably installed inside the end frame (3). One end of the screw (61) is connected to a drive motor (64) via a gear set. A lifting plate (62) is threaded onto the screw (61). A slide rod (63) corresponding to the flip seat (74) is fixed on the lifting plate (62). The end of the slide rod (63) away from the lifting plate (62) passes through the outer wall of the end frame (3) and is rotatably connected to the rotating rod (73).

5. A robotic arm for use with unmanned aerial vehicles according to claim 2, characterized in that: The connecting assembly (8) includes a connecting groove (83) formed on the flip seat (74), and an extension block (81) adapted to the connecting groove (83) is fixed at the bottom of the clamping block (4). A connecting hole (82) is formed on the extension block (81), and a locking bolt (84) that passes through the connecting hole (82) is threaded into the outside of the flip seat (74).

6. A robotic arm for use with unmanned aerial vehicles according to claim 1, characterized in that: The end frame (3) has a side groove on its outer side, and a camera (5) for visual recognition is installed in the side groove.

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