Airframe strength detection equipment of unmanned aerial vehicle

Abstract

The utility model discloses an unmanned aerial vehicle body strength detection device, and specifically relates to the unmanned aerial vehicle field, the unmanned aerial vehicle body strength detection device comprises a support box, the support box is internally provided with a positioning mechanism, the positioning mechanism comprises sliding grooves arranged on the left and right sides of the top of the support box, and the interiors of the sliding grooves are slidably connected with clamping arms; the inner sides of the clamping arms are fixedly connected with clamping blocks; a turning plate is fixedly connected to the rear side of the supporting box, and a detection mechanism is arranged at the bottom of a transverse plate of the turning plate. The unmanned aerial vehicle is parked on the surface of the supporting box, then the first motor is started through an external power source, and the output end of the first motor drives the two-way lead screw to rotate, so that the two moving blocks are driven to move oppositely, the clamping arms and the clamping blocks are driven to move in the same direction till the clamping blocks abut against the surface of the unmanned aerial vehicle, and the unmanned aerial vehicle is clamped and positioned. Therefore, the effect of stably clamping the unmanned aerial vehicle is achieved.

Description

Technical Field

[0001] This utility model relates to the field of unmanned aerial vehicle (UAV) technology, specifically to a device for testing the airframe strength of an UAV. Background Technology

[0002] The safe and reliable operation of unmanned aerial vehicles (UAVs) depends on the strength of their airframes, making their testing crucial. This equipment is specifically designed for UAV airframe strength testing, integrating intelligent clamping and multi-dimensional testing mechanisms. It can accurately apply composite loads and collect stress and displacement data in real time, providing an efficient and reliable strength assessment solution for UAV research and development, thus solidifying the foundation for flight safety.

[0003] Chinese patent publication CN221820252U discloses a body strength testing device for intelligent unmanned aerial vehicle (UAV) manufacturing, filed on January 26, 2024. This patented technology moves the UAV body to the top of a limiting block, allowing the weight of the UAV body to move the limiting block downwards. The limiting block then slides within a support frame to a suitable position via spring extension and contraction, bringing the surface of the UAV body into contact with the surface of the limiting block. This limits the UAV body, preventing it from moving arbitrarily during testing and reducing testing errors. However, while the limiting structure uses spring extension and contraction to limit the UAV body, it also relies on the spring for support. This limiting method is not stable. During testing, the UAV body strength is tested by pressing or impacting its surface. In such cases, the supporting spring further compresses to absorb the impact force, affecting the test results. Therefore, the inventors have provided an airframe strength testing device for unmanned aerial vehicles to solve the problems mentioned in the background art. Utility Model Content

[0004] The purpose of this invention is to provide a device for testing the airframe strength of unmanned aerial vehicles (UAVs) to achieve a stable clamping effect on the UAVs.

[0005] The objective of this utility model can be achieved through the following technical solutions:

[0006] An airframe strength testing device for an unmanned aerial vehicle includes a support box. A positioning mechanism is provided inside the support box. The positioning mechanism includes sliding grooves on the left and right sides of the top of the support box. A clamping arm is slidably connected inside the sliding groove. A clamping block is fixedly connected to the inner side of the clamping arm. A turning plate is fixedly connected to the rear side of the support box. A testing mechanism is provided at the bottom of the horizontal plate of the turning plate.

[0007] As a further embodiment of this utility model: the support box has a bidirectional lead screw that is rotatably connected to the left and right sides, and the outer side of the bidirectional lead screw is threaded with a pair of left and right mirror-symmetrical moving blocks. The top of the moving blocks is provided with a groove, and the groove is slidably connected to the corresponding clamping arm. The right side of the support box is fixedly installed with a motor, and the output end of the motor is fixedly connected to the right side of the bidirectional lead screw.

[0008] As a further embodiment of this utility model: a cylinder is fixedly connected to the bottom of the inside of the support box, and a hollow tube is fixedly connected to the output end of the cylinder. L-shaped blocks are slidably connected to the left and right sides of the hollow tube, and the L-shaped blocks include vertical blocks and horizontal blocks. The horizontal blocks are fixedly connected to the corresponding side clamping arms.

[0009] As a further embodiment of this utility model: the detection mechanism includes a second cylinder fixedly connected to the bottom of the horizontal plate of the turning plate. The output end of the second cylinder is fixedly connected to a fixed box. The left and right sides of the fixed box are rotatably connected to a threaded rod. A translation block is threadedly connected to the outer side of the threaded rod. A second motor is fixedly installed on the left side of the fixed box. The output end of the second motor is fixedly connected to the left side of the threaded rod. An arc-shaped box is fixedly connected to the bottom of the translation block. The arc-shaped box contains a movable frame that can move along an arc-shaped path. A third cylinder is fixedly connected to the bottom of the movable frame. A pressing block is fixedly connected to the output end of the third cylinder. A pressure sensor is provided at the bottom of the pressing block.

[0010] As a further improvement of this utility model: the front and rear sides of the inside of the arc-shaped box are respectively fixedly connected to arc-shaped guide rails, and a pair of arc-shaped guide rails are respectively slidably connected to the moving frame.

[0011] As a further embodiment of this utility model: a motor three is fixedly connected to the front side of the inner side of the movable frame, and a gear is fixedly connected to the output end of the motor three; an arc-shaped toothed plate is fixedly connected to the inner wall of the arc-shaped box, and the gear meshes with the arc-shaped toothed plate.

[0012] Compared with the prior art, the beneficial effects of this utility model are:

[0013] The airframe strength testing equipment for this unmanned aerial vehicle (UAV) places the UAV on the surface of the support box. Then, an external power source starts motor one. The output of motor one drives a bidirectional lead screw to rotate, which in turn moves two moving blocks in opposite directions. This, in turn, moves the clamping arm and clamping blocks in the same direction until the clamping blocks press firmly against the surface of the UAV, thus clamping and positioning the UAV. This achieves a stable clamping effect on the UAV.

[0014] In addition, the airframe strength testing equipment of this unmanned aerial vehicle firstly starts the cylinder one by connecting an external power source before clamping. The output end of the cylinder one drives the hollow tube to move up or down, thereby driving the clamping arm and clamping block to move in the same direction through the L-shaped block, thereby achieving the effect of adjusting the height of the clamping block, and thus achieving the effect of adjusting the contact position between the clamping block and the unmanned aerial vehicle. Attached Figure Description

[0015] Figure 1 A schematic diagram of the overall structure of a body strength testing device for an unmanned aerial vehicle;

[0016] Figure 2 A schematic cross-sectional view of the positioning mechanism in an airframe strength testing device for an unmanned aerial vehicle;

[0017] Figure 3 A schematic cross-sectional view of the testing mechanism in an airframe strength testing device for an unmanned aerial vehicle;

[0018] Figure 4 This is a schematic diagram of the cross-sectional structure of an arc-shaped box in an airframe strength testing device for an unmanned aerial vehicle.

[0019] In the diagram: 10. Support box; 11. Turning plate; 20. Positioning mechanism; 201. Two-way lead screw; 202. Moving block; 203. Clamping arm; 204. Clamping block; 205. Motor 1; 206. Sliding groove; 207. Cylinder 1; 208. Hollow tube; 209. L-shaped block; 30. Detection mechanism; 301. Cylinder 2; 302. Fixing box; 303. Motor 2; 304. Threaded rod; 305. Translation block; 306. Arc-shaped box; 307. Arc-shaped guide rail; 308. Moving frame; 309. Cylinder 3; 310. Pressing block; 311. Motor 3; 312. Gear; 313. Arc-shaped toothed plate. Detailed Implementation

[0020] like Figures 1-2 As shown, an airframe strength testing device for an unmanned aerial vehicle includes a support box 10. A positioning mechanism 20 is provided inside the support box 10. The positioning mechanism 20 includes sliding grooves 206 formed on the left and right sides of the top of the support box 10. A clamping arm 203 is slidably connected inside the sliding groove 206. A clamping block 204 is fixedly connected to the inner side of the clamping arm 203. A turning plate 11 is fixedly connected to the rear side of the support box 10. A testing mechanism 30 is provided at the bottom of the horizontal plate of the turning plate 11.

[0021] Specifically, the support box 10 has a bidirectional lead screw 201 that is rotatably connected to the left and right sides. The outer side of the bidirectional lead screw 201 is threaded with a pair of left and right mirror-symmetrical moving blocks 202. The top of the moving blocks 202 has a groove, and the inside of the groove is slidably connected to the corresponding clamping arm 203. The right side of the support box 10 is fixedly installed with a motor 205, and the output end of the motor 205 is fixedly connected to the right side of the bidirectional lead screw 201.

[0022] Furthermore, a cylinder 207 is fixedly connected to the bottom of the support box 10, and a hollow tube 208 is fixedly connected to the output end of the cylinder 207. L-shaped blocks 209 are slidably connected to the left and right sides of the hollow tube 208, and the L-shaped blocks 209 include vertical blocks and horizontal blocks. The horizontal blocks are fixedly connected to the corresponding side clamping arms 203.

[0023] When in use, the unmanned aerial vehicle is placed on the surface of the support box 10, and then the motor 205 is started by the external power supply. The output end of the motor 205 drives the bidirectional lead screw 201 to rotate, thereby driving the two moving blocks 202 to move towards each other, thereby driving the clamping arm 203 and the clamping block 204 to move in the same direction until the clamping block 204 clamps and positions the surface of the unmanned aerial vehicle. During this process, the clamping arm 203 drives the L-shaped block 209 to slide along the inside of the hollow tube 208, thereby guiding the movement of the clamping arm 203. Furthermore, since there are many types of unmanned aerial vehicles (UAVs), the contact position between the clamping block 204 and the UAV needs to be considered during clamping and positioning. Therefore, before clamping, the cylinder 207 is started by an external power supply. The output end of the cylinder 207 drives the hollow tube 208 to move up or down, thereby driving the clamping arm 203 and the clamping block 204 to move in the same direction through the L-shaped block 209, thereby adjusting the height of the clamping block 204 and thus adjusting the contact position between the clamping block 204 and the UAV.

[0024] refer to Figure 3 , 4 The detection mechanism 30 includes a second cylinder 301 fixedly connected to the bottom of the horizontal plate of the turning plate 11. The output end of the second cylinder 301 is fixedly connected to a fixed box 302. The left and right sides of the fixed box 302 are rotatably connected to a threaded rod 304. The outer side of the threaded rod 304 is threadedly connected to a translation block 305. A second motor 303 is fixedly installed on the left side of the fixed box 302. The output end of the second motor 303 is fixedly connected to the left side of the threaded rod 304. An arc-shaped box 306 is fixedly connected to the bottom of the translation block 305. The arc-shaped box 306 has a movable frame 308 that can move along an arc path inside. A third cylinder 309 is fixedly connected to the bottom of the movable frame 308. A pressing block 310 is fixedly connected to the output end of the third cylinder 309. A pressure sensor is provided at the bottom of the pressing block 310.

[0025] Preferred, Reference Figure 4 The arc-shaped box 306 has arc-shaped guide rails 307 fixedly connected to its front and rear sides, and a pair of arc-shaped guide rails 307 are slidably connected to the movable frame 308. This achieves the effect of guiding the movable frame 308 when it moves.

[0026] For details, please refer to Figure 4 The inner front side of the movable frame 308 is fixedly connected to a motor 311, and the output end of the motor 311 is fixedly connected to a gear 312; the inner wall of the arc-shaped box 306 is fixedly connected to an arc-shaped toothed plate 313, and the gear 312 meshes with the arc-shaped toothed plate 313.

[0027] Once the unmanned aerial vehicle (UAV) is positioned, the detection mechanism 30 is activated. Cylinder 2 301 is started via an external power source. The output of cylinder 2 301 drives the fixed box 302 and the arc-shaped box 306 downwards until the arc-shaped box 306 moves to the outside of the UAV. Then, cylinder 309 is started via an external power source. The output of cylinder 309 moves downwards, causing the pressing block 310 to move downwards and press against the surface of the UAV. A pressure sensor feeds back real-time pressure values ​​to the control mechanism, facilitating the calculation of the UAV's strength. To perform pressing tests on different parts of the UAV's body, motor 311 can also be started via an external power source. Motor 311 drives gear 312 to rotate, causing gear 312 to roll along the surface of the arc-shaped toothed plate 313. This causes the moving frame 308 and the pressing block 310 to move along the same path, allowing the pressing block 310 to perform pressing tests on different parts of the UAV's body, especially on the sides of the UAV for strength testing. Furthermore, during this process, motor 303 can be started by an external power supply. The output end of motor 303 drives the threaded rod 304 to rotate, thereby driving the translation block 305 and the arc-shaped box 306 to move left and right. In conjunction with the moving frame 308, they can move in an arc-shaped path to achieve full coverage of the top surface of the unmanned aerial vehicle. This allows the pressing block 310 to press and detect the front, rear, and top surfaces of the unmanned aerial vehicle. Compared with traditional detection equipment, this device has a larger detection range for unmanned aerial vehicles.

[0028] The working principle of this utility model is as follows: the unmanned aerial vehicle is placed on the surface of the support box 10, and then the motor 205 is started by an external power supply. The output end of the motor 205 drives the bidirectional lead screw 201 to rotate, thereby driving the two moving blocks 202 to move towards each other, thereby driving the clamping arm 203 and the clamping block 204 to move in the same direction until the clamping block 204 clamps and positions the surface of the unmanned aerial vehicle. During this process, the clamping arm 203 drives the L-shaped block 209 to slide along the inside of the hollow tube 208, thereby guiding the movement of the clamping arm 203. Furthermore, since there are many types of unmanned aerial vehicles (UAVs), the contact position between the clamping block 204 and the UAV needs to be considered during clamping and positioning. Therefore, before clamping, the cylinder 207 is started by an external power supply. The output end of the cylinder 207 drives the hollow tube 208 to move up or down, thereby driving the clamping arm 203 and the clamping block 204 to move in the same direction through the L-shaped block 209, thereby adjusting the height of the clamping block 204 and thus adjusting the contact position between the clamping block 204 and the UAV.

[0029] The foregoing has shown and described the basic principles, main features, and advantages of this utility model. Those skilled in the art should understand that this utility model is not limited to the above embodiments. The embodiments and descriptions in the specification are merely illustrative of the principles of this utility model. Various changes and modifications can be made to this utility model without departing from its spirit and scope, and all such changes and modifications fall within the scope of the claimed utility model.

Claims

1. A device for testing the airframe strength of an unmanned aerial vehicle, comprising a support box (10), wherein a positioning mechanism (20) is provided inside the support box (10), characterized in that, The positioning mechanism (20) includes sliding grooves (206) on the left and right sides of the top of the support box (10). A clamping arm (203) is slidably connected inside the sliding groove (206), and a clamping block (204) is fixedly connected to the inner side of the clamping arm (203). A turning plate (11) is fixedly connected to the rear side of the support box (10), and a detection mechanism (30) is provided at the bottom of the horizontal plate of the turning plate (11).

2. The unmanned aerial vehicle body strength detection apparatus according to claim 1, wherein The support box (10) has a bidirectional lead screw (201) that is rotatably connected to the left and right sides. The outer side of the bidirectional lead screw (201) is threaded with a pair of left and right mirror-symmetrical moving blocks (202). The top of the moving block (202) is provided with a groove, and the inside of the groove is slidably connected to the corresponding clamping arm (203). The right side of the support box (10) is fixedly installed with a motor (205), and the output end of the motor (205) is fixedly connected to the right side of the bidirectional lead screw (201).

3. The unmanned vehicle body strength detection apparatus according to claim 1, wherein A cylinder (207) is fixedly connected to the bottom of the support box (10). A hollow tube (208) is fixedly connected to the output end of the cylinder (207). L-shaped blocks (209) are slidably connected to the left and right sides of the hollow tube (208). The L-shaped blocks (209) include vertical blocks and horizontal blocks. The horizontal blocks are fixedly connected to the corresponding side clamping arms (203).

4. The unmanned vehicle body strength detection apparatus according to claim 1, wherein The detection mechanism (30) includes a second cylinder (301) fixedly connected to the bottom of the horizontal plate of the turning plate (11). The output end of the second cylinder (301) is fixedly connected to a fixed box (302). The left and right sides of the fixed box (302) are rotatably connected to a threaded rod (304). The outer side of the threaded rod (304) is threadedly connected to a translation block (305). A second motor (303) is fixedly installed on the left side of the fixed box (302). The output end of 03) is fixedly connected to the left side of the threaded rod (304). The bottom of the translation block (305) is fixedly connected to an arc-shaped box (306). The inside of the arc-shaped box (306) is provided with a moving frame (308) that can move along an arc path. The bottom of the moving frame (308) is fixedly connected to a cylinder three (309). The output end of the cylinder three (309) is fixedly connected to a pressing block (310). The bottom of the pressing block (310) is provided with a pressure sensor.

5. The unmanned aerial vehicle body strength detection apparatus according to claim 4, wherein The arc-shaped box (306) has arc-shaped guide rails (307) fixedly connected to its front and rear sides respectively, and a pair of arc-shaped guide rails (307) are slidably connected to the movable frame (308).

6. The unmanned vehicle body strength detection apparatus according to claim 4, wherein A motor (311) is fixedly connected to the front of the inner side of the movable frame (308), and a gear (312) is fixedly connected to the output end of the motor (311); an arc-shaped toothed plate (313) is fixedly connected to the inner wall of the arc-shaped box (306), and the gear (312) meshes with the arc-shaped toothed plate (313).

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