Low-speed unmanned aerial vehicle performance static test device

Abstract

The utility model relates to the technical field of unmanned aerial vehicle testing, and discloses a low-speed unmanned aerial vehicle performance static force testing device, which solves the problem that the position of an existing unmanned aerial vehicle cannot be changed to meet the testing requirement, and comprises a supporting frame, and an unmanned aerial vehicle body is arranged right above the supporting frame; an adjusting mechanism and a fixing mechanism are installed between the supporting frame and the unmanned aerial vehicle body, the adjusting mechanism comprises an inner plate fixed in the supporting frame, the top of the inner plate is rotationally connected with a supporting shaft, and a top block is fixedly installed at the top end of the supporting shaft; according to the unmanned aerial vehicle, the toothed plate can slide along the cross rod conveniently through cooperation of the first motor, the screw rod and the screw sleeve, the top disc can drive the unmanned aerial vehicle body to rotate conveniently through cooperation of the gear, the supporting shaft and the top block, and the stability of the top disc and the unmanned aerial vehicle body during rotation is guaranteed through cooperation of the stand column, the balls and the U-shaped plate; therefore, the position of the unmanned aerial vehicle body can be conveniently adjusted to meet test requirements.

Description

Technical Field

[0001] The utility model belongs to the technical field of unmanned aerial vehicle testing, in particular to a low-speed unmanned aerial vehicle performance static testing device. Background Art

[0002] UAV is an unmanned aircraft controlled by radio remote control equipment and self-contained program control device, or operated completely or intermittently autonomously by an onboard computer. Before being put into use, UAV needs to be tested in various aspects. The UAV performance static test device is a device for testing the performance of UAV under static conditions.

[0003] At present, the static test device for UAV performance includes a support frame, a loading system, a measuring system and a control system. The support frame is used to stably support the UAV, the loading system is used to simulate various load conditions that the UAV may encounter during flight, the measuring system is used to monitor and record the deformation, stress and other performance parameters of the UAV in real time, and the control system is used to control the loading method of the loading system and the data collection of the measuring system. Although the existing support frame can stably support the UAV, the UAV cannot change its position to meet the test requirements. Utility Model Content

[0004] In view of the above situation, in order to overcome the defects of the prior art, the utility model provides a low-speed UAV performance static test device, which effectively solves the problem that the current UAV cannot change its position to meet the test requirements.

[0005] To achieve the above-mentioned purpose, the utility model provides the following technical solutions: a low-speed UAV performance static test device, comprising a support frame, a UAV body is arranged directly above the support frame, and an adjustment mechanism and a fixing mechanism are installed between the support frame and the UAV body;

[0006] The adjusting mechanism includes an inner plate fixed in the supporting frame, the top of the inner plate is rotatably connected with a supporting shaft, the top of the supporting shaft is fixedly installed with a top block, the outer side of the top block is fixedly sleeved with a top plate, the drone body is installed on the top plate, the top of the supporting frame is fixedly installed with a U-shaped plate, the supporting shaft passes through the U-shaped plate and is rotatably connected with the U-shaped plate, the outer side of the supporting shaft is fixedly installed with a gear located in the U-shaped plate, the U-shaped plate is fixedly installed with a cross bar, the outer side of the cross bar is movably sleeved with a toothed plate, and the toothed plate is meshingly connected with the gear.

[0007] Preferably, a motor 1 is fixedly installed in the U-shaped plate, a screw is fixedly installed on the motor 1, one end of the screw away from the motor 1 is rotatably connected to the U-shaped plate, a screw sleeve is threadedly sleeved on the outer side of the screw, and a toothed plate is fixed to the top of the screw sleeve.

[0008] Preferably, columns are fixedly mounted at equal angles on the bottom of the top plate, and a ball bearing located on the top of the U-shaped plate is disposed at the bottom end of each column.

[0009] Preferably, the fixing mechanism comprises a base fixed to the bottom of the drone body, a positioning column is fixedly installed at the bottom of the base, a positioning hole is provided at the top of the top block, and the positioning column is inserted into the interior of the positioning hole.

[0010] Preferably, two U-shaped round rods are symmetrically fixedly installed at the bottom of the base, the positioning column is located between the two U-shaped round rods, and the outer sides of the two U-shaped round rods are fixedly sleeved with sleeves, the bottom surfaces of the two sleeves and the bottom surfaces of the positioning columns are at the same height, and the two sleeves are located on the top of the top plate.

[0011] Preferably, two vertical plates are symmetrically fixedly installed on the bottom of the top plate, a bidirectional screw is provided between the top plate and the U-shaped plate, one end of the bidirectional screw is rotatably connected to one of the vertical plates, the other end of the bidirectional screw is fixedly installed with motor 2, motor 2 is fixed to the other vertical plate, the bidirectional screw passes through the top block and is rotatably connected to the top block, the outer side of the bidirectional screw is symmetrically threaded with two nuts, the top block is located between the two nuts, the tops of the two nuts are fixedly installed with L-shaped plates, two sliding grooves are symmetrically provided on the top plate, the two L-shaped plates are respectively slidably connected to the two sliding grooves, and slots are provided on the sides of the two sleeve plates close to each other, and the two L-shaped plates are respectively inserted into the two slots.

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

[0013] (1) The utility model facilitates the sliding of the toothed plate along the crossbar through the cooperation between the motor 1, the screw rod and the screw sleeve, and facilitates the top plate to drive the drone body to rotate through the cooperation between the gear, the support shaft and the top block, and ensures the stability of the top plate and the drone body during rotation through the cooperation between the column, the ball bearing and the U-shaped plate, thereby facilitating the adjustment of the position of the drone body to meet the test requirements;

[0014] (2) The new type facilitates the placement of the UAV body on the top of the top plate through the cooperation between the top block and the positioning hole, and between the positioning column and the base. The cooperation between the second motor and the bidirectional screw rod, and between the nut and the slide groove facilitates the movement of the two L-shaped plates into the two slots respectively, and can fix the two sleeves on the top of the top plate, thereby facilitating the fixation of the UAV body and preventing it from shaking. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. They are used together with the embodiments of the present invention to explain the present invention and do not constitute a limitation to the present invention.

[0016] In the attached picture:

[0017] Figure 1 This is a schematic diagram of the structure of the low-speed UAV performance static test device of the utility model;

[0018] Figure 2 This is a schematic diagram of the structure of the adjustment mechanism of the utility model;

[0019] Figure 3 This is a schematic diagram of the fixing mechanism structure of the utility model;

[0020] Figure 4 This is a schematic diagram of the disassembled structure of the base and top plate of the utility model;

[0021] In the figure: 1. support frame; 2. adjustment mechanism; 201. inner plate; 202. gear; 203. support shaft; 204. screw sleeve; 205. tooth plate; 206. cross bar; 207. ball bearing; 208. column; 209. top block; 2010. top plate; 2011. U-shaped plate; 2012. motor one; 2013. screw; 3. fixing mechanism; 301. base; 302. motor two; 303. nut; 304. L-shaped plate; 305. vertical plate; 306. slide groove; 307. positioning column; 308. slot; 309. U-shaped round rod; 3010. sleeve plate; 3011. positioning hole; 3012. two-way screw; 4. drone body. DETAILED DESCRIPTION

[0022] 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.

[0023] Embodiment 1, by Figure 1 It is given that the utility model includes a supporting frame 1, a drone body 4 is arranged directly above the supporting frame 1, and an adjusting mechanism 2 and a fixing mechanism 3 are installed between the supporting frame 1 and the drone body 4.

[0024] Specifically, by Figure 2The adjusting mechanism 2 includes an inner plate 201 fixed in the supporting frame 1, a supporting shaft 203 is rotatably connected to the top of the inner plate 201, a top block 209 is fixedly installed on the top of the supporting shaft 203, a top plate 2010 is fixedly sleeved on the outer side of the top block 209, the drone body 4 is installed on the top plate 2010, a U-shaped plate 2011 is fixedly installed on the top of the supporting frame 1, the supporting shaft 203 passes through the U-shaped plate 2011 and is rotatably connected to the U-shaped plate 2011, a gear 202 located in the U-shaped plate 2011 is fixedly installed on the outer side of the supporting shaft 203, and a cross bar 202 is fixedly installed in the U-shaped plate 2011. 06, the outer side of the cross bar 206 is movably sleeved with a tooth plate 205, the tooth plate 205 is meshed with the gear 202, a motor 2012 is fixedly installed in the U-shaped plate 2011, a screw 2013 is fixedly installed on the motor 2012, the end of the screw 2013 away from the motor 2012 is rotatably connected to the U-shaped plate 2011, the outer side of the screw 2013 is threadedly sleeved with a screw sleeve 204, the tooth plate 205 is fixed to the top of the screw sleeve 204, and the bottom of the top plate 2010 is fixedly installed with columns 208 at equal angles, and the bottom end of each column 208 is provided with a ball 207 located at the top of the U-shaped plate 2011;

[0025] When in use, first start the motor 2012 to drive the screw 2013 to rotate, and drive the tooth plate 205 to slide along the cross bar 206 through the screw sleeve 204. Since the tooth plate 205 is meshed with the gear 202, it drives the support shaft 203 to rotate, and then drives the top plate 2010 to rotate through the top block 209. At this time, the drone body 4 rotates, and at the same time, each ball 207 rolls on the top of the U-shaped plate 2011, supporting the top plate 2010, ensuring the stability of the top plate 2010 and the drone body 4 during rotation. Finally, the position of the drone body 4 is adjusted to meet the test requirements.

[0026] Specifically, by Figure 3-4The fixing mechanism 3 includes a base 301 fixed to the bottom of the drone body 4, a positioning column 307 is fixedly installed at the bottom of the base 301, a positioning hole 3011 is provided on the top of the top block 209, and the positioning column 307 is inserted into the positioning hole 3011. Two U-shaped round rods 309 are symmetrically fixedly installed at the bottom of the base 301, and the positioning column 307 is located between the two U-shaped round rods 309. The outer sides of the two U-shaped round rods 309 are fixedly sleeved with sleeve plates 3010. The bottom surfaces of the two sleeve plates 3010 and the bottom surfaces of the positioning columns 307 are at the same height, and the two sleeve plates 3010 are located on the top of the top plate 2010. Two vertical plates 305 are symmetrically fixedly installed at the bottom of the top plate 2010, and a bidirectional screw rod 3 is provided between the top plate 2010 and the U-shaped plate 2011. 012, one end of the bidirectional screw rod 3012 is rotatably connected to one of the vertical plates 305, the other end of the bidirectional screw rod 3012 is fixedly installed with a second motor 302, the second motor 302 is fixed on the other vertical plate 305, the bidirectional screw rod 3012 passes through the top block 209 and is rotatably connected to the top block 209, the outer side of the bidirectional screw rod 3012 is symmetrically threaded with two screw nuts 303, the top block 209 is located between the two screw nuts 303, the tops of the two screw nuts 303 are fixedly installed with L-shaped plates 304, two slide grooves 306 are symmetrically arranged on the top plate 2010, the two L-shaped plates 304 are respectively slidably connected with the two slide grooves 306, and the two sleeve plates 3010 are each provided with a slot 308 on one side close to each other, and the two L-shaped plates 304 are respectively inserted into the two slots 308;

[0027] When in use, first place the two sleeves 3010 on the top of the top plate 2010, so that the positioning column 307 is inserted into the positioning hole 3011, and the two L-shaped plates 304 are located between the two sleeves 3010, then start the motor 2 302 to drive the bidirectional screw rod 3012 to rotate, and drive the two L-shaped plates 304 to slide along the two slide grooves 306 respectively through the two nuts 303, until the two L-shaped plates 304 are respectively inserted into the two slots 308, and the two sleeves 3010 are fixed on the top of the top plate 2010, and finally the drone body 4 is fixed to prevent it from shaking.

Claims

1. A low-speed UAV performance static test device, comprising a support frame (1), characterized in that: A drone body (4) is provided directly above the support frame (1), and an adjustment mechanism (2) and a fixing mechanism (3) are installed between the support frame (1) and the drone body (4); The adjustment mechanism (2) comprises an inner plate (201) fixed in the support frame (1); the top of the inner plate (201) is rotatably connected to a support shaft (203); a top block (209) is fixedly installed on the top of the support shaft (203); a top plate (2010) is fixedly sleeved on the outer side of the top block (209); a drone body (4) is installed on the top plate (2010); a U-shaped plate (2011) is fixedly installed on the top of the support frame (1); the support shaft (203) passes through the U-shaped plate (2011) and is rotatably connected to the U-shaped plate (2011); a gear (202) located in the U-shaped plate (2011) is fixedly installed on the outer side of the support shaft (203); a cross bar (206) is fixedly installed in the U-shaped plate (2011); a toothed plate (205) is movably sleeved on the outer side of the cross bar (206); and the toothed plate (205) is meshingly connected to the gear (202).

2. A low-speed UAV performance static test device according to claim 1, characterized in that: A motor 1 (2012) is fixedly installed in the U-shaped plate (2011), a screw rod (2013) is fixedly installed on the motor 1 (2012), one end of the screw rod (2013) away from the motor 1 (2012) is rotatably connected to the U-shaped plate (2011), a screw sleeve (204) is threadedly sleeved on the outer side of the screw rod (2013), and a tooth plate (205) is fixed to the top of the screw sleeve (204).

3. The low-speed UAV performance static test device according to claim 1 is characterized by: The bottom of the top plate (2010) is fixedly provided with upright posts (208) at equal angles, and the bottom end of each upright post (208) is provided with a ball bearing (207) located at the top of the U-shaped plate (2011).

4. The low-speed UAV performance static test device according to claim 1 is characterized by: The fixing mechanism (3) comprises a base (301) fixed to the bottom of the drone body (4), a positioning column (307) is fixedly installed at the bottom of the base (301), a positioning hole (3011) is provided at the top of the top block (209), and the positioning column (307) is inserted into the interior of the positioning hole (3011).

5. A low-speed UAV performance static test device according to claim 4, characterized in that: Two U-shaped round rods (309) are symmetrically fixedly installed at the bottom of the base (301), and the positioning column (307) is located between the two U-shaped round rods (309). The outer sides of the two U-shaped round rods (309) are fixedly sleeved with sleeves (3010), and the bottom surfaces of the two sleeves (3010) and the bottom surfaces of the positioning columns (307) are located at the same height, and the two sleeves (3010) are located on the top of the top plate (2010).

6. The low-speed UAV performance static test device according to claim 1 is characterized by: Two vertical plates (305) are symmetrically fixedly installed at the bottom of the top plate (2010), a bidirectional screw rod (3012) is provided between the top plate (2010) and the U-shaped plate (2011), one end of the bidirectional screw rod (3012) is rotatably connected to one of the vertical plates (305), the other end of the bidirectional screw rod (3012) is fixedly installed with a second motor (302), the second motor (302) is fixed on the other vertical plate (305), the bidirectional screw rod (3012) passes through the top block (209) and is rotatably connected to the top block (209), and the bidirectional screw rod (3012) is connected to the top block (209). The outer side of the screw rod (3012) is symmetrically threaded with two screw nuts (303), the top block (209) is located between the two screw nuts (303), the tops of the two screw nuts (303) are fixedly installed with L-shaped plates (304), the top plate (2010) is symmetrically provided with two slide grooves (306), the two L-shaped plates (304) are respectively slidably connected to the two slide grooves (306), and the two sleeve plates (3010) are each provided with a slot (308) on one side close to each other, and the two L-shaped plates (304) are respectively inserted into the two slots (308).

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