Wind resistance experiment tool for unmanned aerial vehicle

Abstract

The invention discloses an unmanned aerial vehicle wind resistance experiment tool, relates to the technical field of test tools, solves the technical problem of inconvenient steering, and comprises a base with a supporting rod, a top plate is fixedly installed at the end, away from the base, of the supporting rod, and an air bellow is rotatably installed on the base and the top plate. An air outlet is formed in the side, close to the supporting rod, of the air bellow, and rotating assemblies are arranged on the top plate and the base. The rotating assembly comprises sliding grooves formed in the top plate and the base, sliding blocks are slidably mounted in the sliding grooves, a mounting plate is fixedly mounted at the end, away from the base, of the air bellow, a fluted disc is fixedly mounted on the side, away from the supporting rod, of the top plate, and a first gear meshed with the fluted disc is rotatably mounted on the side, close to the top plate, of the fluted disc. And the air bellow is convenient to rotate to adjust the blowing direction of the wind, so that the wind direction can be flexibly adjusted, the flexibility of the wind resistance test of the unmanned aerial vehicle is improved, and the working efficiency of the wind resistance test of the unmanned aerial vehicle is improved.

Description

Technical Field

[0001] The invention relates to the technical field of test tooling, and in particular to a wind-resistant test tooling for unmanned aerial vehicles. Background Art

[0002] Unmanned aerial vehicle, abbreviated as "UAV" in English, is an unmanned aircraft controlled by radio remote control equipment and self-contained program control device, or operated completely or intermittently autonomously by an on-board computer. UAVs will encounter various air currents during flight, which will interfere with the flight state of the UAV. Therefore, wind resistance tests are required before the UAV is put into use, so UAV wind resistance test tooling is needed.

[0003] However, the UAV wind resistance test tooling with current technology directly uses bellows to conduct wind blowing tests on UAVs in flight, which results in a relatively simple test effect. The position of the bellows is not convenient for rotation according to the needs of the test, and the wind direction is not convenient for flexible adjustment according to needs, which affects the flexibility of the UAV wind resistance test, the rotation and adjustment ability of the device, and the work efficiency of the UAV wind resistance test. For this reason, based on the technical defects, we have proposed a UAV wind resistance test tooling that can solve the above problems. Summary of the invention

[0004] The purpose of the present invention is to provide a UAV wind resistance test tooling to solve the following technical problems:

[0005] The position of the bellows is not convenient for rotation according to the needs of the test, and the wind direction is not convenient for flexible adjustment according to the needs, which affects the flexibility of the UAV wind resistance test, the rotation and adjustment ability of the device, and the work efficiency of the UAV wind resistance test.

[0006] The purpose of the present invention can be achieved through the following technical solutions:

[0007] A wind resistance test tool for an unmanned aerial vehicle comprises a base with a support rod, a top plate is fixedly mounted on one end of the support rod away from the base, a bellows is rotatably mounted on the base and the top plate, an air outlet is provided on a side of the bellows close to the support rod, and a rotating assembly is provided on the top plate and the base;

[0008] The rotating assembly includes a slide groove opened on the top plate and the base, a slider is slidably installed in the slide groove, a mounting plate is fixedly installed on the end of the bellows away from the base, a gear disc is fixedly installed on the side of the top plate away from the support rod, a first gear meshing with the gear disc is rotatably installed on the side of the gear disc close to the top plate, a servo motor is fixedly installed on the side of the mounting plate away from the first gear, and an electric telescopic rod is fixedly installed on the side of the mounting plate close to the first gear.

[0009] As a further solution of the present invention: the output end of the servo motor slides through the mounting plate and is fixedly mounted on the first gear, a connecting plate is fixedly mounted on the side of the first gear close to the toothed disc, and the connecting plate is rotatably mounted on the toothed disc at one end away from the mounting plate.

[0010] As a further solution of the present invention: a rubber pad is fixedly installed on one end of the electric telescopic rod away from the gear plate, a limiting groove is provided on the inner wall of the slide groove, and a limiting rod is slidably installed in the limiting groove.

[0011] As a further solution of the present invention: one end of the slider away from the support rod is fixedly mounted on the bellows, and one end of the limit rod away from the limit groove is fixedly mounted on the slider.

[0012] As a further solution of the present invention: an adjustment component is provided on the bellows, and the adjustment component includes a plurality of adjustment plates rotatably mounted on the inner wall of the air outlet, a connecting rope is fixedly connected between the plurality of adjustment plates, a second gear is rotatably mounted on one side of the bellows, the second gear is meshingly connected with a rack, a reciprocating motor is fixedly mounted on one side of the bellows close to the second gear, and a swinging plate is fixedly mounted on the output end of the reciprocating motor.

[0013] As a further solution of the present invention: a rectangular through hole is opened at one end of the swing plate close to the second gear, a limiting column is slidably installed in the rectangular through hole, the end of the limiting column close to the bellows is fixedly installed on the rack, and the end of the limiting column away from the rack is fixedly installed with a limiting plate.

[0014] As a further solution of the present invention: a guide plate is fixedly installed on the side of the bellows close to the rack, one side of the guide plate is slidingly fitted with the side of the rack away from the second gear, and the rotating shaft of the second gear slides through the air outlet and is fixedly installed on the rotating shaft of one of the adjustment plates.

[0015] As a further solution of the present invention: an elastic component is arranged on the top plate, and the elastic component includes a storage groove opened on the side of the top plate close to the support rod, a winding roller is rotatably installed on the inner wall of the storage groove, a fixing plate is fixedly installed at a position close to one end of the winding roller, a torsion spring is fixedly installed on the side of the fixing plate close to the inner wall of the storage groove, and a protective rope is fixedly installed on the fixing plate.

[0016] As a further solution of the present invention: a mounting block is fixedly installed on one end of the protective rope away from the winding roller, a mounting groove is opened on the side of the base close to the support rod, a buffer cotton is fixedly installed in the mounting groove, the torsion spring is fixedly installed on the inner wall of the storage groove on the side away from the fixed plate, and the torsion spring is nested on the outer surface of the winding roller.

[0017] As a further solution of the present invention: a guardrail is rotatably mounted on one side of the base close to the support rod, one end of the guardrail is fixedly mounted on the bellows, and a filter is fixedly mounted on the side of the bellows away from the support rod.

[0018] Beneficial effects of the present invention:

[0019] (1) The bellows in the rotating assembly are easy to rotate and adjust the direction of the wind blowing, and the position of the bellows is easy to flexibly adjust, which is conducive to improving the flexibility of the UAV wind resistance test, improving the rotation adjustment ability of the device, and improving the work efficiency of the UAV wind resistance test;

[0020] (2) The adjustment plate in the adjustment assembly is convenient for coordinating the direction of the bellows and adjusting the swing amplitude, which is conducive to improving the diversity of the device test, improving the adjustment ability of the device, and improving the working efficiency of the device test;

[0021] (3) The protective rope in the elastic component plays a role in protecting the UAV, avoiding the situation of the UAV losing control and crashing as much as possible, which is beneficial to improving the safety of the device test, improving the protection capability of the device, and improving the work efficiency of the device test. BRIEF DESCRIPTION OF THE DRAWINGS

[0022] The present invention will be further described below in conjunction with the accompanying drawings.

[0023] Figure 1 This is a schematic diagram of the overall structure of a UAV wind resistance test tooling of the present invention;

[0024] Figure 2 yes Figure 1 A schematic diagram of the enlarged structure at A in the middle;

[0025] Figure 3 It is a schematic diagram of the upward structure of a UAV wind resistance test tooling of the present invention;

[0026] Figure 4 yes Figure 3 A schematic diagram of the enlarged structure at B in the middle;

[0027] Figure 5 yes Figure 3 Schematic diagram of the enlarged structure at C in the middle;

[0028] Figure 6 yes Figure 3 Schematic diagram of the enlarged structure at D in the middle;

[0029] Figure 7 It is a side view structural schematic diagram of a UAV wind resistance test tooling of the present invention;

[0030] Figure 8 yes Figure 7Schematic diagram of the enlarged structure at E in the middle;

[0031] Fig. 9 yes Figure 7 Schematic diagram of the enlarged structure at F in the middle.

[0032] In the figure: 1. base; 2. bellows; 3. guardrail; 4. rotating assembly; 41. mounting plate; 42. first gear; 43. servo motor; 44. toothed disc; 45. electric telescopic rod; 46. rubber pad; 47. slide groove; 48. limit groove; 49. slider; 410. limit rod; 411. connecting plate; 5. adjusting assembly; 51. adjusting plate; 52. connecting rope; 53. second gear; 54. rack; 55. guide plate; 56. reciprocating motor; 57. swing plate; 58. rectangular through hole; 59. limit column; 510. limit plate; 6. elastic assembly; 61. storage groove; 62. winding roller; 63. fixing plate; 64. torsion spring; 65. protective rope; 66. mounting block; 67. buffer cotton; 68. mounting groove; 7. support rod; 8. filter screen; 9. top plate. DETAILED DESCRIPTION

[0033] The following will be combined with the drawings in the embodiments of the present invention to clearly and completely describe the technical solutions in the embodiments of the present invention. Obviously, the described embodiments 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 creative work are within the scope of protection of the present invention.

[0034] Embodiment 1

[0035] See also Figure 1-Figure 9 As shown, the present invention is a wind-resistant test tooling for unmanned aerial vehicles, comprising a base 1 with a support rod 7, a top plate 9 is fixedly installed on one end of the support rod 7 away from the base 1, the support rod 7 is fixedly installed between the base 1 and the top plate 9, a bellows 2 is rotatably installed on the base 1 and the top plate 9, an air outlet is provided on the side of the bellows 2 close to the support rod 7, a guardrail 3 is rotatably installed on the side of the base 1 close to the support rod 7, the guardrail 3 plays a role in protecting the unmanned aerial vehicle from being blown away and crashing by strong wind, one end of the guardrail 3 is fixedly installed on the bellows 2, the bellows 2 drives the guardrail 3 to rotate on the base 1, a filter screen 8 is fixedly installed on the side of the bellows 2 away from the support rod 7, the filter screen 8 plays a role in filtering dust and impurities, and a rotating component 4 is provided on the top plate 9 and the base 1;

[0036] The rotating assembly 4 includes a slide groove 47 provided on the top plate 9 and the base 1, a slider 49 is slidably installed in the slide groove 47, and the end of the slider 49 away from the support rod 7 is fixedly installed on the bellows 2. The bellows 2 slides in the slide groove 47 through the slider 49, and the bellows 2 rotates on the base 1 and the top plate 9 at the same time. A mounting plate 41 is fixedly installed on the end of the bellows 2 away from the base 1, and a toothed disc 44 is fixedly installed on the side of the top plate 9 away from the support rod 7. A first gear 42 meshing with the toothed disc 44 is rotatably installed on the side of the toothed disc 44 close to the top plate 9. The toothed disc 44 and the first gear 42 are meshed and connected with each other. Since the toothed disc 44 is only fixed, the servo motor 43 drives the first gear 42 Rotate, and at the same time make the first gear 42 slide on the toothed disc 44, and at the same time make the first gear 42 drive the bellows 2 to rotate on the top plate 9 and the base 1 through the mounting plate 41, a servo motor 43 is fixedly installed on the side of the mounting plate 41 away from the first gear 42, the output end of the servo motor 43 slides through the mounting plate 41 and is fixedly installed on the first gear 42, the servo motor 43 drives the first gear 42 to rotate on the toothed disc 44, which is convenient for operation and use, and an electric telescopic rod 45 is fixedly installed on the side of the mounting plate 41 close to the first gear 42, the electric telescopic rod 45 drives the rubber pad 46 to move to the top plate 9, which plays a role in stabilizing the limit bellows 2 on the top plate 9 and the base 1.

[0037] A connecting plate 411 is fixedly installed on one side of the first gear 42 close to the toothed disc 44, and one end of the connecting plate 411 away from the mounting plate 41 is rotatably installed on the toothed disc 44. The connecting plate 411 plays a role in stabilizing the connection of the bellows 2. A rubber pad 46 is fixedly installed on one end of the electric telescopic rod 45 away from the toothed disc 44. The rubber pad 46 increases the friction between the electric telescopic rod 45 and the top plate 9, which is convenient for limiting and stabilizing the bellows 2. A limiting groove 48 is provided on the inner wall of the slide 47, and a limiting rod 410 is slidably installed in the limiting groove 48. The limiting rod 410 plays a role in limiting and stabilizing the position of the slider 49 in the slide 47. One end of the limiting rod 410 away from the limiting groove 48 is fixedly installed on the slider 49, which is beneficial to improving the stability of the bellows 2, facilitating the rotation of the bellows 2, facilitating the rotation adjustment direction of the wind, and facilitating the flexible adjustment of the position of the bellows, which is beneficial to improving the flexibility of the UAV wind resistance test, improving the rotation adjustment ability of the device, and improving the working efficiency of the UAV wind resistance test.

[0038] Embodiment 2

[0039] See also Figure 3 , Figure 4 and Figure 8As shown, on the basis of Example 1, an adjusting component 5 is provided on the bellows 2, and the adjusting component 5 includes a plurality of adjusting plates 51 rotatably mounted on the inner wall of the air outlet, the adjusting plates 51 play a role in adjusting the blowing direction of the bellows 2, a connecting rope 52 is fixedly connected between the plurality of adjusting plates 51, and the connecting rope 52 plays a role in driving the plurality of adjusting plates 51 to move synchronously, a second gear 53 is rotatably mounted on one side of the bellows 2, the second gear 53 is meshingly connected with a rack 54, the rack 54 meshes and drives the second gear 53 to rotate, so that the rotating shaft of the second gear 53 drives the adjusting plate 51 to rotate in the air outlet, a reciprocating motor 56 is fixedly mounted on the side of the bellows 2 close to the second gear 53, a swinging plate 57 is fixedly mounted on the output end of the reciprocating motor 56, and the output end of the reciprocating motor 56 drives the swinging plate 57 to swing left and right, so that the swinging plate 57 drives the rack 54 to drive the second gear 53 to rotate, which is convenient for operation and use.

[0040] A rectangular through hole 58 is provided at one end of the swing plate 57 close to the second gear 53, and a limiting column 59 is installed in the rectangular through hole 58 through which a sliding movement is performed. The end of the limiting column 59 close to the bellows 2 is fixedly installed on the rack 54, and the end of the limiting column 59 away from the rack 54 is fixedly installed with a limiting plate 510. The limiting plate 510 cooperates with the limiting column 59 to limit the swing plate 57 to the rack 54. A guide plate 55 is fixedly installed at a position close to one side of the bellows 2 close to the rack 54, and one side of the guide plate 55 is connected to the rack 54 away from the second gear One side of 53 slides and fits, and the guide plate 55 plays the role of guiding and stabilizing the rack 54. The rotating shaft of the second gear 53 slides through the air outlet and is fixedly installed on the rotating shaft of one of the adjustment plates 51, so as to drive the swing plate 57 to swing, and drive the rack 54 to drive the second gear 53 to rotate, so that the second gear 53 drives the adjustment plate 51 to swing and adjust in the air outlet, which is convenient for adjusting the amplitude of wind swing, is conducive to improving the diversity of device testing, is conducive to improving the adjustment ability of the device, and is conducive to improving the working efficiency of device testing.

[0041] Embodiment 3

[0042] See also Figure 3 , Figure 5 and Fig. 9As shown, on the basis of the first embodiment, an elastic component 6 is provided on the top plate 9, and the elastic component 6 includes a storage groove 61 opened on the side of the top plate 9 close to the support rod 7, and the storage groove 61 is convenient for storing the protection rope 65. A winding roller 62 is rotatably installed on the inner wall of the storage groove 61, and a fixing plate 63 is fixedly installed on a position close to one end of the winding roller 62, and a torsion spring 64 is fixedly installed on one side of the fixing plate 63 close to the inner wall of the storage groove 61. The elastic reset ability of the torsion spring 64 facilitates driving the winding roller 62 to wind up the excess protection rope 65, and the protection rope 65 is fixedly installed on the fixing plate 63, and the end of the protection rope 65 away from the winding roller 62 is fixedly installed with a mounting Block 66, the mounting block 66 is installed on the drone by screws, and a mounting groove 68 is opened on the side of the base 1 close to the support rod 7. A buffer cotton 67 is fixedly installed in the mounting groove 68. The buffer cotton 67 plays a role in buffering the impact force of the drone, and tries to avoid the drone from falling and being damaged. The torsion spring 64 is fixedly installed on the inner wall of the storage groove 61 on the side away from the fixed plate 63. The torsion spring 64 is nested and installed on the outer surface of the winding roller 62, which plays a role in protecting the drone and tries to avoid the drone from losing control and crashing, which is beneficial to improving the safety of the device test, improving the protection capability of the device, and improving the work efficiency of the device test.

[0043] Working principle of the present invention: when using the device, firstly, the drone is fixed on the mounting block 66 by screws, and then the bellows 2 and the drone are started, so that after the drone is flying stably, the pulling force on the protection rope 65 is reduced, and at the same time, the elastic reset force of the torsion spring 64 drives the winding roller 62 to wind up the redundant protection rope 65, and then the reciprocating motor 56 is started, so that the output end of the reciprocating motor 56 drives the swing plate 57 to swing up and down, and at the same time, the swing plate 57 drives the limit column 59 to slide in the rectangular through hole 58, and at the same time, the limit plate 510 slides on the swing plate 57, and at the same time, the limit column 59 drives the rack 54 to slide on the guide plate 55, and at the same time, the rack 54 meshes to drive the second gear 53 to rotate back and forth, and at the same time, the rotating shaft of the second gear 53 is driven The movable adjustment plate 51 rotates in the air outlet, so that one of the adjustment plates 51 drives multiple adjustment plates 51 to move synchronously through the connecting rope 52, and then the servo motor 43 is started, so that the output end of the servo motor 43 drives the first gear 42 to rotate on the toothed disc 44, and at the same time, the connecting plate 411 and the mounting plate 41 rotate on the toothed disc 44, and at the same time, the mounting plate 41 drives the bellows 2 to slide on the top plate 9 and the base 1, and at the same time, the bellows 2 drives the slider 49 to slide in the slide groove 47, and at the same time, the slider 49 drives the limiting rod 410 to slide in the limiting groove 48, and at the same time, the bellows 2 drives the guardrail 3 to rotate on the base 1. When the bellows 2 stops rotating, the electric telescopic rod 45 is started again, so that the electric telescopic rod 45 drives the rubber pad 46 to move to the top plate 9, limiting and stabilizing the bellows 2.

[0044] The above is a detailed description of an embodiment of the present invention, but the content is only a preferred embodiment of the present invention and cannot be considered to limit the scope of implementation of the present invention. All equivalent changes and improvements made within the scope of the present invention should still fall within the scope of the patent coverage of the present invention.

Claims

1. A wind resistance test tool for an unmanned aerial vehicle, comprising a base (1) with a support rod (7), characterized in that: A top plate (9) is fixedly mounted on one end of the support rod (7) away from the base (1); a bellows (2) is rotatably mounted on the base (1) and the top plate (9); an air outlet is provided on a side of the bellows (2) close to the support rod (7); and a rotating assembly (4) is provided on the top plate (9) and the base (1); The rotating assembly (4) comprises a slide groove (47) provided on the top plate (9) and the base (1), a slider (49) being slidably mounted in the slide groove (47), a mounting plate (41) being fixedly mounted on one end of the bellows (2) away from the base (1), a toothed disc (44) being fixedly mounted on the side of the top plate (9) away from the support rod (7), a first gear (42) meshing with the toothed disc (44) being rotatably mounted on the side of the toothed disc (44) close to the top plate (9), a servo motor (43) being fixedly mounted on the side of the mounting plate (41) away from the first gear (42), and an electric telescopic rod (45) being fixedly mounted on the side of the mounting plate (41) close to the first gear (42).

2. The unmanned aerial vehicle wind resistance test tooling according to claim 1 is characterized by: The output end of the servo motor (43) slides through the mounting plate (41) and is fixedly mounted on the first gear (42); a connecting plate (411) is fixedly mounted on a side of the first gear (42) close to the toothed disc (44); and an end of the connecting plate (411) away from the mounting plate (41) is rotatably mounted on the toothed disc (44).

3. The unmanned aerial vehicle wind resistance test tooling according to claim 1 is characterized by: A rubber pad (46) is fixedly mounted on one end of the electric telescopic rod (45) away from the toothed disc (44), and a limiting groove (48) is provided on the inner wall of the slide groove (47), and a limiting rod (410) is slidably mounted in the limiting groove (48).

4. The unmanned aerial vehicle wind resistance test tooling according to claim 3 is characterized by: One end of the slider (49) away from the support rod (7) is fixedly mounted on the bellows (2), and one end of the limiting rod (410) away from the limiting groove (48) is fixedly mounted on the slider (49).

5. The unmanned aerial vehicle wind resistance test tooling according to claim 1 is characterized by: The bellows (2) is provided with an adjustment component (5), the adjustment component (5) comprising a plurality of adjustment plates (51) rotatably mounted on the inner wall of the air outlet, a connecting rope (52) being fixedly connected between the plurality of adjustment plates (51), a second gear (53) being rotatably mounted on one side of the bellows (2), the second gear (53) being meshingly connected with a rack (54), a reciprocating motor (56) being fixedly mounted on one side of the bellows (2) close to the second gear (53), and a swinging plate (57) being fixedly mounted on the output end of the reciprocating motor (56).

6. The unmanned aerial vehicle wind resistance test tooling according to claim 5 is characterized by: A rectangular through hole (58) is provided at one end of the swing plate (57) close to the second gear (53), a limiting column (59) is slidably installed in the rectangular through hole (58), one end of the limiting column (59) close to the bellows (2) is fixedly installed on the rack (54), and one end of the limiting column (59) away from the rack (54) is fixedly installed on the limiting plate (510).

7. The unmanned aerial vehicle wind resistance test tooling according to claim 6 is characterized by: A guide plate (55) is fixedly mounted on a side of the bellows (2) close to the rack (54); one side of the guide plate (55) is slidably fitted with a side of the rack (54) away from the second gear (53); the rotation axis of the second gear (53) slides through the air outlet and is fixedly mounted on the rotation axis of one of the adjustment plates (51).

8. The unmanned aerial vehicle wind resistance test tooling according to claim 1 is characterized by: An elastic component (6) is provided on the top plate (9), and the elastic component (6) comprises a storage groove (61) opened on a side of the top plate (9) close to the support rod (7); a winding roller (62) is rotatably mounted on the inner wall of the storage groove (61); a fixing plate (63) is fixedly mounted at a position close to one end of the winding roller (62); a torsion spring (64) is fixedly mounted on a side of the fixing plate (63) close to the inner wall of the storage groove (61); and a protective rope (65) is fixedly mounted on the fixing plate (63).

9. The unmanned aerial vehicle wind resistance test tooling according to claim 8 is characterized by: A mounting block (66) is fixedly mounted on one end of the protective rope (65) away from the winding roller (62); a mounting groove (68) is provided on a side of the base (1) close to the support rod (7); a buffer cotton (67) is fixedly mounted in the mounting groove (68); a side of the torsion spring (64) away from the fixed plate (63) is fixedly mounted on the inner wall of the storage groove (61); and the torsion spring (64) is nested on the outer surface of the winding roller (62).

10. The unmanned aerial vehicle wind resistance test tooling according to claim 1 is characterized by: A guardrail (3) is rotatably mounted on a side of the base (1) close to the support rod (7), one end of the guardrail (3) is fixedly mounted on the bellows (2), and a filter screen (8) is fixedly mounted on a side of the bellows (2) away from the support rod (7).

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