A wing strength detection device for fixed-wing unmanned aerial vehicle

Abstract

The invention discloses a wing strength detection device for a fixed-wing unmanned aerial vehicle, belonging to the technical field of detection devices, comprising a bottom plate, an L-shaped plate, a top plate, a positioning cabin, a locking assembly, a clamping arm assembly and a detection assembly, wherein the L-shaped plate is slidably assembled in the bottom plate, the top plate is fixedly assembled on the bottom plate and the positioning cabin is slidably assembled in the top plate, locking assemblies are arranged on both sides of the positioning cabin, the locking assemblies are movably connected to the top plate, one end of the L-shaped plate is linked to the positioning cabin, and the other end of the L-shaped plate is transmission-connected to the clamping arm assembly and the detection assembly, the invention provides a reciprocatingly slidable positioning cabin on the bottom plate and the top plate, a locking assembly for positioning and clamping the unmanned aerial vehicle is assembled on the positioning cabin, and a clamping arm assembly and a detection assembly linked to the positioning cabin are arranged on the bottom plate, when the unmanned aerial vehicle is towed for movement, the wing of the unmanned aerial vehicle can be positioned and locked, and automatic detection of multiple points can be realized in cooperation with the detection assembly.

Description

Technical Field

[0001] The invention belongs to the technical field of detection devices, and in particular relates to a wing strength detection device for a fixed-wing unmanned aerial vehicle. Background Art

[0002] A fixed-wing UAV is an unmanned aerial vehicle that uses fixed wings to generate lift to fly. Its main feature is that it maintains flight through the interaction between the wings and the air. This type of UAV usually has a high flight speed and a long range, and is suitable for wide-area monitoring, long-term patrols and efficient transportation missions.

[0003] UAV wings are usually made of high-strength materials such as carbon fiber composites to reduce weight and improve structural strength and rigidity. To ensure the reliability of the design, UAV wings also need to undergo actual strength tests, including static bearing capacity tests, dynamic load tests, and environmental impact tests.

[0004] In the process of testing the strength of UAV wings, since the UAV wings are wide and thin as a whole, when they are loaded on the mold base to be tested, taking static pressure testing as an example, after the test point of the wing is pressurized, the fuselage is easily displaced from the mold base, and the wing is easily deflected in the axial position, causing errors in subsequent test points, requiring continuous manual correction, affecting the test efficiency and accuracy. Summary of the invention

[0005] In view of the deficiencies in the prior art, an object of an embodiment of the present invention is to provide a wing strength detection device for a fixed-wing UAV to solve the problems in the above-mentioned background technology.

[0006] To achieve the above object, the present invention provides the following technical solutions:

[0007] A wing strength detection device for a fixed-wing UAV, the wing strength detection device for the fixed-wing UAV having a first direction and a second direction relative to each other, the wing strength detection device for the fixed-wing UAV comprising a base assembly, the base assembly comprising a bottom plate, a lower slide groove and an L-shaped plate, the lower slide groove is arranged on the bottom plate and arranged along the first direction, and the L-shaped plate is slidably assembled in the lower slide groove;

[0008] A guide frame assembly, the guide frame assembly comprising a top plate, an upper slide groove, a slide, a positioning cabin and a curved cover, the top plate is fixedly mounted on the bottom plate, the upper slide groove is arranged on the top plate and arranged along a first direction, the slide is slidably mounted in the upper slide groove, the top of the slide is fixedly mounted with a positioning cabin, and the end of the positioning cabin is provided with a curved cover;

[0009] The locking assembly comprises a positioning rod, a trigger block, a gear rod, a ring gear and a curved buckle. Two groups of positioning rods are slidably assembled on both sides of the positioning cabin. The positioning rod is fixedly provided with a trigger block and a gear rod. One end of the ring gear is rotatably arranged on the positioning cabin, and the other end of the ring gear is meshed with the positioning cabin. A curved buckle is also arranged at the end of the ring gear;

[0010] A clamping arm assembly, the clamping arm assembly includes a stand, a side slide groove, a clamping arm, a side tooth plate, a side gear, a side transmission wheel and a crimping rod. The stand is fixedly arranged on the bottom plate, the stand is provided with a side slide groove, two groups of clamping arms are slidably assembled in the side slide groove along the second direction, one end of the clamping arm is fixedly connected with a side tooth plate, the side gear is rotatably assembled on one end of the stand, and the two groups of side tooth plates are meshed and connected with the side gear, the side transmission wheel is transmission-connected with the side gear, and a plurality of crimping rods are elastically slidably assembled on the clamping arm;

[0011] A detection component, the detection component includes a detection bracket, a main shaft rod, a fixed collar, a driven gear ring, a detection arm, a limit lever and a detection sensor. The detection bracket is arranged on a base plate and the detection bracket is fixedly equipped with a main shaft rod. A plurality of fixed collars are arranged in an array on the main shaft rod. One end of the driven gear ring is rotatably mounted on the fixed collar, and the other end of the driven gear ring is fixedly connected to the detection arm. One end of the limit lever is fixedly connected to the fixed collar, and the other end of the limit lever is slidably inserted into the detection arm. A detection sensor is also fixedly assembled on the end of the detection arm.

[0012] As a further solution of the present invention, the base assembly also includes a bottom tooth plate, a bottom rod, a stop plate and a first driving gear. The bottom tooth plate is slidably arranged at the bottom of the base plate along the first direction, and the bottom tooth plate is also fixedly provided with a bottom rod and a stop plate at one end facing the L-shaped plate. The bottom rod is slidably assembled on the L-shaped plate, and the first driving gear is fixedly arranged on the base plate. One end of the first driving gear is meshed with the bottom tooth plate, and the other end of the first driving gear is connected to the side gear transmission.

[0013] As a further solution of the present invention, the base assembly also includes a connecting frame and a locking arm rod. The connecting frame is slidably assembled on the bottom plate along the first direction, and one end of the connecting frame is fixedly connected to the bottom tooth plate, and the other end of the connecting frame is fixedly connected to the locking arm rod.

[0014] As a further solution of the present invention, the base assembly also includes a driver, a main screw, a center plate, a push rod, a Z-plate, a top tooth plate and a second driving gear. The driver is fixedly arranged at one end of the base plate, the main screw fixed axis is arranged on the base plate and is transmission-connected to the driver, the center plate is slidably arranged on the base plate along a first direction and meshingly connected with the main screw, the top of the center plate is also fixedly connected with a push rod, the push rod is slidably inserted at the bottom of the slide along the first direction, the Z-plate is slidably assembled on the base plate along the first direction, and one end of the Z-plate is movably abutted against the L-plate, the other end of the Z-plate is fixedly assembled with a top tooth plate, the second driving gear fixed axis is assembled on the base plate, and the second driving gear is meshingly connected with the top tooth plate.

[0015] As a further solution of the present invention, the guide frame assembly also includes a speed reducer, a side guide rod and a reverse thrust block. The speed reducer is elastically slidably arranged on the top plate and movably abuts against the positioning cabin. The side guide rods are fixedly arranged on both sides of the top plate. The reverse thrust block is elastically slidably assembled on the side guide rods and movably abuts against the trigger block.

[0016] As a further solution of the present invention, the locking assembly also includes a positioning block and a balancing block, the positioning block is fixedly connected to the positioning rod, the balancing block is slidably arranged at one end of the positioning cabin along the second direction, and the balancing block is slidably abutted against the positioning block.

[0017] As a further solution of the present invention, the locking assembly also includes a locking rack, a transmission gear, a locking wheel and a clip. The locking rack is fixedly connected to the positioning block, the transmission gear is fixed-axis rotatably assembled on the positioning cabin, and one end of the transmission gear is meshed and connected with the locking rack, and the other end of the transmission gear is transmission-connected to the locking wheel, the locking wheel is fixed-axis rotatably arranged at one end of the positioning cabin, and a clip is fixedly assembled at the end of the locking wheel, and the clip rotates toward one side of the positioning cabin.

[0018] As a further solution of the present invention, the clamp arm assembly also includes a stop block, a traction block and a traction rod, the stop block and the traction block are slidably arranged inside the clamp arm, and one end of the stop block is movably abutted against the traction block, and the other end of the stop block is crimped onto a plurality of crimping rods, the traction block is slidably arranged along a first direction, and the end of the traction block is fixedly connected to the traction rod.

[0019] As a further solution of the present invention, the clamping arm assembly also includes a groove, a traction frame, a straight groove and a limit baffle. The groove is fixedly arranged on the base plate along a first direction, the traction frame is slidably assembled in the groove, and a straight groove is arranged on the traction frame. The traction rod is inserted into the straight groove, and the end of the traction rod is fixedly connected to the limit baffle, and one end of the traction frame is also fixedly connected to a locking arm rod.

[0020] As a further solution of the present invention, the detection assembly also includes a secondary shaft, a residual tooth gear and a detection transmission wheel. The secondary shaft is arranged parallel to one end of the main shaft, and a plurality of residual tooth gears are arranged in an array on the secondary shaft. The residual tooth gears are matched with a plurality of detection arms. One end of the detection transmission wheel is connected to the secondary shaft, and the other end of the detection transmission wheel is connected to the second drive gear.

[0021] In summary, compared with the prior art, the embodiments of the present invention have the following beneficial effects:

[0022] The present invention provides a reciprocatingly slidable positioning cabin on a bottom plate and a top plate, a locking assembly for positioning and clamping the UAV is mounted on the positioning cabin, and a clamping arm assembly and a detection assembly linked to the positioning cabin are provided on the bottom plate. When the UAV is towed for movement, the wings of the UAV can be positioned and locked, and automatic detection of multiple points can be achieved in cooperation with the detection assembly. BRIEF DESCRIPTION OF THE DRAWINGS

[0023] Figure 1 A partial schematic diagram of a wing strength detection device for a fixed-wing UAV provided in an embodiment of the present invention.

[0024] Figure 2 The present invention is a schematic structural diagram of a wing strength detection device for a fixed-wing UAV provided in an embodiment of the present invention.

[0025] Figure 3 The present invention is a schematic diagram of the side structure of a wing strength detection device for a fixed-wing UAV provided in an embodiment of the present invention.

[0026] Figure 4 The present invention is a schematic structural diagram of a base assembly in a wing strength detection device for a fixed-wing UAV provided in an embodiment of the present invention.

[0027] Figure 5 The present invention is a schematic structural diagram of a guide frame assembly in a wing strength detection device for a fixed-wing UAV provided in an embodiment of the present invention.

[0028] Figure 6 for Figure 5 An enlarged schematic diagram of the figure marked A.

[0029] Figure 7 for Figure 5 An enlarged schematic diagram of the figure marked B.

[0030] Figure 8 The present invention is a schematic diagram of the bottom structure of a wing strength detection device for a fixed-wing UAV provided in an embodiment of the present invention.

[0031] Fig. 9The present invention is a schematic diagram of the top structure of a wing strength detection device for a fixed-wing UAV provided in an embodiment of the present invention.

[0032] Fig.10 for Fig. 9 An enlarged schematic diagram of the figure marked C.

[0033] Fig.11 for Fig. 9 An enlarged schematic diagram of the figure marked D.

[0034] Figure numerals: 1-base assembly, 101-bottom plate, 102-sliding groove, 103-L-shaped plate, 104-bottom tooth plate, 105-bottom rod, 106-stop plate, 107-first drive gear, 108-connecting frame, 109-lock arm rod, 110-driver, 111-main screw rod, 112-middle plate, 113-top rod, 114-Z-shaped plate, 115-top tooth plate, 116-second drive gear, 2-guide frame assembly, 201-top plate, 202-upper slide groove, 203-slide, 204-positioning cabin, 205-curved cover, 206-speed brake, 207-side guide rod, 208-reverse thrust block, 3-locking assembly, 301-positioning rod, 302-trigger block, 303-tooth rod, 304-ring tooth member, 305-curved buckle, 306 - positioning block, 307- locking rack, 308- balancing block, 309- transmission gear, 310- locking wheel, 311- clamping piece, 4- clamping arm assembly, 401- vertical frame, 402- side slide groove, 403- clamping arm, 404- side tooth plate, 405- side gear, 406- lateral transmission wheel, 407- crimping rod, 408- stop block, 409- traction block, 410- traction rod, 411- groove, 412- traction frame, 413- straight groove, 414- limit baffle, 5- detection assembly, 501- detection bracket, 502- main shaft rod, 503- fixed collar, 504- driven gear ring, 505- detection arm, 506- limit baffle rod, 507- detection sensor, 508- secondary shaft rod, 509- residual tooth gear, 510- detection transmission wheel. DETAILED DESCRIPTION

[0035] In order to more clearly illustrate the structural features and effects of the present invention, the present invention is described in detail below in conjunction with the accompanying drawings and specific embodiments.

[0036] See also Figure 1-Figure 11, a wing strength detection device for a fixed-wing UAV in an embodiment of the present invention, the wing strength detection device for the fixed-wing UAV has a first direction x and a second direction y relative to each other, the wing strength detection device for the fixed-wing UAV comprises a base assembly 1, the base assembly 1 comprises a bottom plate 101, a lower slide groove 102 and an L-shaped plate 103, the lower slide groove 102 is arranged on the bottom plate 101 and is arranged along the first direction x, the L-shaped plate 103 is slidably assembled in the lower slide groove 102; a guide frame assembly 2, the guide frame assembly 2 comprises a top plate 201, an upper slide groove 202, a slide frame 203, a positioning cabin 204 and a curved cover 205, the top plate 201 is fixedly assembled on the bottom plate 101, the upper slide groove 202 is arranged on the top plate 20 1 and arranged along the first direction x, the slide 203 is slidably assembled in the upper slide groove 202, the top of the slide 203 is fixedly assembled with a positioning cabin 204, and the end of the positioning cabin 204 is provided with a curved cover 205; a locking assembly 3, the locking assembly 3 includes a positioning rod 301, a trigger block 302, a gear rod 303, a ring gear 304 and a curved buckle 305, two groups of the positioning rods 301 are slidably assembled on both sides of the positioning cabin 204, the positioning rod 301 is fixedly provided with a trigger block 302 and a gear rod 303, one end of the ring gear 304 is rotatably arranged on the positioning cabin 204, the other end of the ring gear 304 is meshed with the positioning cabin 204, and the end of the ring gear 304 is also provided with a curved buckle 305; a clamping arm assembly Part 4, the clamping arm assembly 4 includes a stand 401, a side slide groove 402, a clamping arm 403, a side tooth plate 404, a side gear 405, a side transmission wheel 406 and a crimping rod 407, the stand 401 is fixedly arranged on the bottom plate 101, the stand 401 is provided with a side slide groove 402, the two groups of clamping arms 403 are slidably assembled in the side slide groove 402 along the second direction y, one end of the clamping arm 403 is fixedly connected with the side tooth plate 404, the side gear 405 is rotatably assembled on one end of the stand 401, and the two groups of side tooth plates 404 are meshed and connected with the side gear 405, the side transmission wheel 406 is connected with the side gear 405 for transmission, and the clamping arm 403 is also elastically slidably assembled with a plurality of crimping rods 407; detection component 5, the The detection component 5 includes a detection bracket 501, a main shaft rod 502, a fixed ring 503, a driven gear ring 504, a detection arm 505, a limit stop rod 506 and a detection sensor 507. The detection bracket 501 is arranged on the base plate 101 and the main shaft rod 502 is fixedly installed on the detection bracket 501. A plurality of fixed rings 503 are arranged in an array on the main shaft rod 502. One end of the driven gear ring 504 is rotatably mounted on the fixed ring 503, and the other end of the driven gear ring 504 is fixedly connected to the detection arm 505. One end of the limit stop rod 506 is fixedly connected to the fixed ring 503, and the other end of the limit stop rod 506 is slidably inserted into the detection arm 505. The end of the detection arm 505 is also fixedly installed with a detection sensor 507.

[0037] In actual application of this embodiment, when the UAV wing strength detection device is used, the bottom plate 101 is fixedly set on the detection table, the top plate 201 is fixedly set on the top of the bottom plate 101, and the positioning cabin 204 assembled on the top plate 201 is used to place the fixed-wing UAV to be detected and its wings. When the UAV is placed on the positioning cabin 204, the nose of the UAV is set toward one end of the curved cover 205. During the detection process, the slide 203 slides directionally along the upper slide groove 202 in the driving state, and the end limit point of the upper slide groove 202 is set as the detection point. During the sliding process of the slide 203, the positioning cabin 204 moves synchronously with the slide 203 and pulls the UAV toward one end of the clamping arm assembly 4 and the detection assembly 5. When the UAV moves along the first direction x During the movement, the trigger blocks 302 on the positioning rods 301 at both ends of the positioning cabin 204 are subjected to the reverse pushing force of the reverse pushing block 208 during the movement, so that the positioning rod 301 and the trigger block 302 slide relative to the positioning cabin 204 along the negative direction of the first direction x. At this time, the gear rod 303 at the other end of the positioning rod 301 is meshed and abutted against the ring gear 304 during the movement, so that the ring gear 304 rotates on a fixed axis under the meshing drive, and the curved buckle 305 at its end is buckled on one side of the wing root of the UAV, so that the UAV slides in the positioning cabin 204, and the head of the UAV is clamped in the curved cover 205, and at the same time, the rotation and pressing of the curved buckle 305 is used to make the fuselage of the UAV closely fit on the positioning cabin 204 along the second direction y, so as to realize Now for the bidirectional positioning of the drone's nose and fuselage, before the positioning cabin 204 slides to the detection point at the end of the upper slide groove 202, the drone's wing continuously moves toward one side of the clamp arm assembly 4, and when the wing moves close to between the two groups of clamp arms 403, the side gear 405 on one side of the stand 401 rotates in a directional manner under the driving action, and during the rotation process, the two groups of side gear plates 404 are meshed and driven to slide, so that the side gear plates 404 drive the two groups of clamp arms 403 to slide along the side slide groove 402, and the two groups of clamp arms 403 move in opposite directions in the second direction y. When the drone's wing approaches one end of the clamp arm 403, the two groups of clamp arms 403 simultaneously move toward the upper and lower surfaces of the wing. Since the clamp arm 403 is elastically slidably equipped with a plurality of crimping rods 407, When the two groups of clamp arms 403 approach the upper and lower surfaces of the wing, several crimping rods 407 elastically abut against the wing surface, and when the positioning cabin 204 slides to the detection point at the end of the upper slide groove 202, the crimping rods 407 in the clamp arms 403 switch to a locked state, so that the wing tip is in a locked position in the second direction y, to prevent the wing from shaking and shifting after being stressed during the detection process, and when the UAV reaches the detection point, several driven gear rings 504 on the detection bracket 501 rotate in sequence under the driving state, and the detection arm 505 at one end of the driven gear ring 504 rotates toward the wing, and the detection sensor 507 installed on the detection arm 505 can be crimped to the wing surface and measure the pressure grams of the crimping point.Thus, the deformation amount and structural strength of the wing at the current point can be calculated, so as to automatically detect several points on the wing. When the detection of a single point is completed, the driving source of the rotational motion of the driven gear ring 504 disappears, so that the detection arm 505 is pushed by the spring and automatically resets to the initial position on the side of the limit stop rod 506 to avoid interference with the detection of subsequent points.

[0038] The specific working steps of the UAV wing strength detection device are as follows:

[0039] S1: placing the drone to be tested in the cabin of the positioning cabin 204, and driving the positioning cabin 204 to slide along the groove of the upper slide groove 202;

[0040] S2: Before the positioning cabin 204 moves to the detection point at the end of the upper slide slot 202, the locking assembly 3 arranged at the side wall end of the positioning cabin 204 positions the fuselage and wings of the UAV;

[0041] S3: After the drone fuselage is positioned and locked, the drone wing moves between the two sets of clamping arms 403. At this time, the two sets of clamping arms 403 simultaneously approach the wing, and the crimping rods 407 on the clamping arms 403 elastically clamp the wing;

[0042] S4: When the positioning cabin 204 moves to the detection point at the end of the upper slide slot 202, the crimping rod 407 on the clamp arm 403 is mechanically locked, so that the wing root and wing tip of the wing are fixed and locked;

[0043] S5: After the fuselage and wings of the UAV are positioned and locked, the detection component 5 detects several detection points on the wing surface in sequence in the driving state;

[0044] S6: After the detection is completed, the positioning cabin 204 moves in the reverse direction to loosen the clamping arm 403 and the crimping rod 407 from the wing side, and the positioning cabin 204 moves in the reverse direction to the initial position, at which time the detected UAV is unloaded and the UAV to be tested is reloaded;

[0045] S7: Repeat the above steps.

[0046] See also Figure 4 and Figure 5In a preferred embodiment of the present invention, the base assembly 1 further comprises a bottom tooth plate 104, a bottom rod 105, a stop plate 106, a first driving gear 107, a driver 110, a main screw rod 111, a middle plate 112 and a top rod 113. The bottom tooth plate 104 is slidably arranged at the bottom of the bottom plate 101 along the first direction x, and the bottom tooth plate 104 is also fixedly provided with a bottom rod 105 and a stop plate 106 at one end facing the L-shaped plate 103. The bottom rod 105 is slidably assembled on the L-shaped plate 103, and the first driving gear 107 is rotatably arranged on the bottom plate 101 along a fixed axis. On the top, one end of the first driving gear 107 is meshed with the bottom gear plate 104, and the other end of the first driving gear 107 is connected to the side gear 405 for transmission. The driver 110 is fixedly set at one end of the bottom plate 101, and the main screw rod 111 is fixedly set on the bottom plate 101 and connected to the driver 110 for transmission. The middle plate 112 is slidably set on the bottom plate 101 along the first direction x and meshed with the main screw rod 111. The top of the middle plate 112 is also fixedly connected with a push rod 113, and the push rod 113 is slidably inserted into the bottom of the slide 203 along the first direction x.

[0047] In actual application of this embodiment, the driver 110 is fixedly arranged on the bottom plate 101 and is connected to the main screw 111 for transmission, so as to control the rotation direction of the main screw 111. One end of the middle plate 112 is meshed with the main screw 111, and the other end is fixedly connected with a push rod 113. The push rod 113 is elastically slidably inserted at the bottom of the slide 203. When the middle plate 112 moves toward the detection point along the first direction x, the middle plate 112 first pushes the slide 203 to move through the push rod 113 at one end thereof and the spring sleeved on the push rod 113, so that the slide 203 and the positioning cabin 204 slide along the first direction x. Before the positioning cabin 204 approaches the detection point at the end of the upper slide groove 202, the middle plate 112 movably contacts the L-shaped plate 103 and pushes the L-shaped The plate 103 moves along the first direction x. Since the bottom rod 105 at one end of the bottom tooth plate 104 is elastically slidably inserted into the bottom of the L-shaped plate 103, when the L-shaped plate 103 moves along the first direction x, the spring sleeved on the bottom rod 105 can push the bottom tooth plate 104 to move along the first direction x, so that the bottom tooth plate 104 engages to drive the first driving gear 107 to rotate, and the first driving gear 107 is connected to the lateral transmission wheel 406 for transmission, synchronously driving the lateral transmission wheel 406 and the side gear 405 to rotate, engaging and driving the two groups of clamping arms 403 to move in the second direction y. When the bottom tooth plate 104 slides to the limit point, the two groups of clamping arms 403 move synchronously to the limit point, and there is a gap between the two groups of clamping arms 403 and the wing, that is, they are elastically crimped to the upper and lower surfaces of the wing through the crimping rod 407.

[0048] See also Figure 4In a preferred embodiment of the present invention, the base assembly 1 also includes a connecting frame 108 and a locking arm rod 109. The connecting frame 108 is slidably assembled on the base plate 101 along the first direction x, and one end of the connecting frame 108 is fixedly connected to the bottom tooth plate 104, and the other end of the connecting frame 108 is fixedly connected to the locking arm rod 109.

[0049] In actual application of this embodiment, when the bottom tooth plate 104 slides to the limit point, the connecting frame 108 fixedly connected to one end of the bottom tooth plate 104 synchronously pushes the locking arm rod 109 to move along the first direction x during movement, and the locking arm rod 109 is linked to several crimping rods 407 in the clamping arm 403 to control the sliding of the crimping rod 407 in the clamping arm 403, so that the wing is locked in its position in the second direction y in the clamping state.

[0050] In one case of the present embodiment, the clamping and locking of the wing by the crimping rod 407 is regarded as an instantaneous action, which occurs simultaneously with the arrival of the positioning cabin 204 at the detection point, so that when the crimping rod 407 clamps and locks the wing, the travel of the wing continuing to move with the positioning cabin 204 can be ignored, thereby avoiding the extrusion deformation of the wing along the first direction x when the crimping rod 407 is locked.

[0051] See also Figure 4 In a preferred embodiment of the present embodiment, the base assembly 1 also includes a Z-shaped plate 114, a top tooth plate 115 and a second driving gear 116. The Z-shaped plate 114 is slidably assembled on the bottom plate 101 along the first direction x, and one end of the Z-shaped plate 114 is movably abutted against the L-shaped plate 103, and the other end of the Z-shaped plate 114 is fixedly assembled with the top tooth plate 115. The second driving gear 116 is fixedly assembled on the bottom plate 101, and the second driving gear 116 is meshed with the top tooth plate 115.

[0052] In actual application of this embodiment, when the bottom tooth plate 104 slides to the limit point, the positioning cabin 204 synchronously slides to the limit point position of the upper slide groove 202, and at this time the L-shaped plate 103 continues to slide in the first direction x, the L-shaped plate 103 continuously compresses the spring sleeved on the bottom rod 105, and the L-shaped plate 103 abuts against one side of the Z-shaped plate 114 during the movement. Since the Z-shaped plate 114 is elastically slidably assembled on the bottom plate 101, when the L-shaped plate 103 pushes the Z-shaped plate 114 to overcome the elastic force and slide, the top tooth plate 115 at the end of the Z-shaped plate 114 can engage and drive the second drive gear 116 to rotate, and the second drive gear 116 can be transmitted to one side of the detection component 5 in the driving state, thereby driving a plurality of detection arms 505 and a detection sensor 507 to detect a plurality of points on the wing in turn.

[0053] See also Figure 5In a preferred embodiment of the present invention, the guide frame assembly 2 also includes a speed reducer 206, a side guide rod 207 and a reverse thrust block 208. The speed reducer 206 is elastically slidably arranged on the top plate 201 and movably abuts against the positioning cabin 204. The side guide rod 207 is fixedly arranged on both sides of the top plate 201. The reverse thrust block 208 is elastically slidably assembled on the side guide rod 207 and movably abuts against the trigger block 302.

[0054] In actual application of this embodiment, the deceleration plate 206 is elastically slidably assembled on the top plate 201 and is arranged at one end of the detection point. When the slide 203 and the positioning cabin 204 slide to the detection point along the first direction x under the driving action, the positioning cabin 204 preferentially abuts against the deceleration plate 206 to slow down the movement speed of the positioning cabin 204, thereby reducing the collision vibration generated when the positioning cabin 204 reaches the detection point, and avoiding the displacement of the positioning position of the drone due to vibration. During the movement of the positioning cabin 204, the positioning rod 301 at one end of the positioning cabin 204 and the trigger block 302 thereon can push the reverse thrust block 208 to overcome the elastic force and slide along the side guide rod 207 when abutting against the reverse thrust block 208, so that the positioning rod 301 moves relative to the positioning cabin 204 in the negative direction of the first direction x, thereby driving the gear rod 303 to engage and drive the ring gear 304 to rotate.

[0055] See also Figure 7 In a preferred embodiment of the present invention, the locking assembly 3 also includes a positioning block 306 and a balancing block 308, the positioning block 306 is fixedly connected to the positioning rod 301, the balancing block 308 is slidably arranged at one end of the positioning cabin 204 along the second direction y, and the balancing block 308 is slidably abutted against the positioning block 306.

[0056] In actual application of this embodiment, the positioning block 306 is slidably arranged along the first direction x and is fixedly connected to the positioning rod 301. When the positioning rod 301 moves relative to the positioning cabin 204 along the negative direction of the first direction x, the inclined wall on one side of the positioning block 306 slides and abuts against the inclined surface at the bottom of the balancing block 308, so that the balancing block 308 moves in the second direction y, and the balancing blocks 308 on both sides of the positioning cabin 204 are synchronously lifted along the positive direction of the second direction y. When the two groups of balancing blocks 308 abut against the bottom of the wings on both sides at the same time, the wings on both sides can be leveled to prevent the wings from tilting due to the tilt of the fuselage. At the same time, the curved buckle 305 is used to position and press the wings against the positioning cabin 204 to prevent the wings from shaking during the test.

[0057] See also Figure 7In a preferred embodiment of the present invention, the locking assembly 3 also includes a locking rack 307, a transmission gear 309, a locking wheel 310 and a clip 311. The locking rack 307 is fixedly connected to the positioning block 306, and the transmission gear 309 is fixedly assembled on the positioning cabin 204, and one end of the transmission gear 309 is meshed and connected with the locking rack 307, and the other end of the transmission gear 309 is transmission-connected to the locking wheel 310. The locking wheel 310 is fixedly arranged at one end of the positioning cabin 204, and the end of the locking wheel 310 is fixedly assembled with a clip 311, and the clip 311 rotates toward one side of the positioning cabin 204.

[0058] When this embodiment is actually applied, when the positioning rod 301 moves relative to the positioning cabin 204 along the negative direction of the first direction x, since one end of the locking rack 307 is fixedly connected to the positioning block 306, the locking rack 307 can engage and drive the transmission gear 309 to rotate during the sliding process, and the transmission gear 309 is synchronously transmitted to one end of the locking wheel 310 during rotation, so that the locking wheel 310 drives the clip 311 at one end thereof to rotate toward the side of the positioning cabin 204 during the fixed-axis rotation, so that the clips 311 at both ends of the positioning cabin 204 rotate synchronously toward the inner side of the positioning cabin 204, thereby positioning the fuselage of the drone in the positioning cabin 204, and positioning the fuselage of the drone on the centerline position of the positioning cabin 204, so that the fuselage and the wing are mirror-symmetrical on the center axis of the positioning cabin 204, so that the drone is accurately positioned and clamped on the positioning cabin 204, so that during the detection process, the test point on the wing of the drone is accurately aligned with the detection point on the detection component 5.

[0059] In one case of this embodiment, the wing strength detection device of the fixed-wing UAV includes two groups of wing strength detection components, and the two groups of detection components are mirror-imaged on both sides of the base plate 101. The figure only partially shows the wing strength detection components on one side.

[0060] See also Fig.10In a preferred embodiment of the present invention, the clamp arm assembly 4 further includes a stop block 408, a traction block 409, a traction rod 410, a channel 411, a traction frame 412, a straight groove 413 and a limit stopper 414. The stop block 408 and the traction block 409 are slidably arranged inside the clamp arm 403, and one end of the stop block 408 is movably abutted against the traction block 409, and the other end of the stop block 408 is crimped onto a plurality of crimping rods 407. The traction block 409 is moved along the It is slidingly arranged in the first direction x, and the end of the traction block 409 is fixedly connected to a traction rod 410, the groove 411 is fixedly arranged on the base plate 101 along the first direction x, the traction frame 412 is slidably assembled in the groove 411, and a straight groove 413 is arranged on the traction frame 412, the traction rod 410 is inserted in the straight groove 413, and the end of the traction rod 410 is fixedly connected to a limiting block plate 414, and one end of the traction frame 412 is also fixedly connected to a locking arm rod 109.

[0061] In actual application of this embodiment, the blocking block 408 and the pulling block 409 are both slidably arranged inside the clamp arm 403, and the oblique wall surfaces of the blocking block 408 and the pulling block 409 are slidably abutted. Before the positioning cabin 204 moves to the limit point of the upper slide groove 202, the connecting frame 108 linked with the positioning cabin 204 synchronously pushes the locking arm rod 109 along the first direction x, so that the pulling frame 412 fixedly connected to the end of the locking arm rod 109 moves synchronously. Since the pulling frame 412 is limitedly slidably assembled in the groove 411, and the end of the pulling rod 410 passes through the straight groove 413 and is limitedly assembled on one side of the pulling frame 412 by the limiting block 414, when the pulling When the frame 412 moves along the first direction x, the limit baffle 414 can synchronously pull the traction rod 410 to move along the first direction x while following the movement of the traction frame 412. During the movement of the traction block 409 fixedly connected to the end of the traction rod 410, the inclined wall of one end of the traction block 409 slides and is crimped onto the stopping block 408, thereby pushing the stopping block 408 toward the side of the crimping rod 407, so that the crimping rod 407 remains relatively still with the clamping arm 403 in the crimping state, so that after the clamping arm 403 moves to the extreme position, the crimping rod 407 elastically inserted on the clamping arm 403 can be locked, thereby positioning and locking the wing end in the second direction y.

[0062] See also Fig. 9 and Fig.11 In a preferred embodiment of the present invention, the detection component 5 also includes a secondary shaft 508, a residual tooth gear 509 and a detection transmission wheel 510. The secondary shaft 508 is arranged in parallel to one end of the main shaft 502, and a plurality of residual tooth gears 509 are arranged in an array on the secondary shaft 508. The residual tooth gear 509 is matched with a plurality of detection arms 505. One end of the detection transmission wheel 510 is connected to the secondary shaft 508 for transmission, and the other end of the detection transmission wheel 510 is connected to the second drive gear 116 for transmission.

[0063] In actual application of this embodiment, the secondary shaft 508 is arranged in parallel with one end of the main shaft 502 and is rotatably assembled on the detection bracket 501. A plurality of residual tooth gears 509 are arranged in a linear array on the secondary shaft 508. The plurality of residual tooth gears 509 are fixedly connected to the secondary shaft 508, and the residual tooth gears 509 are aligned with a plurality of driven gear rings 504. When the positioning cabin 204 moves to the limit point, the middle plate 112 abuts against the Z-shaped plate 112 while continuing to move. 14, and pushes the Z-shaped plate 114 to move in the positive direction of the first direction x, so that the top tooth plate 115 at the end of the Z-shaped plate 114 engages to drive the second driving gear 116 to rotate, and the second driving gear 116 is connected to the secondary shaft 508 by transmission, so that the secondary shaft 508 can be driven to rotate in one direction by the second driving gear 116. During the rotation of the secondary shaft 508, when the residual teeth at one end of the residual tooth gear 509 rotate close to the driven gear ring 504, the residual tooth gear 509 The driven gear ring 504 is meshed with and abuts against the driven gear ring 504, and drives the driven gear ring 504 to rotate around the fixed collar 503, so that the detection arm 505 and the detection sensor 507 at one end of the driven gear ring 504 are synchronously rotated toward the wing side, so as to perform strength detection on the test point on the wing. When the residual teeth of the residual tooth gear 509 rotate and disengage from one side of the driven gear ring 504, the limit stop rod 506 at one end of the fixed collar 503 is slidably inserted into the detection arm 505 and a spring is sleeved on the limit stop rod 506. The driven gear ring 504 and the detection arm 505 can be driven to rotate in the opposite direction under the elastic force, so that the detection arm 505 and the detection sensor 507 are reset to the initial state, and the detection sensor 507 currently crimped to one end of the wing is rotated and disengaged. When the detection arm 505 and the detection sensor 507 at the detection point are reset, the detection arm 505 and the detection sensor 507 of the adjacent group are driven by another residual tooth gear 509 to rotate, so as to realize continuous detection of several points to be tested on the wing.

[0064] In one case of this embodiment, the arm length and the inclination angle of the detection arm 505 can be preset according to the position of the point to be detected to match the disordered detection points on the wing surface.

[0065] In one case of the present embodiment, the residual teeth of a plurality of residual tooth gears 509 are spirally arranged along the axial direction of the secondary shaft 508, so that when the secondary shaft 508 rotates 360° in one direction, the plurality of residual tooth gears 509 thereon are meshed and connected with a plurality of driven gear rings 504 in turn, thereby driving a plurality of detection sensors 507 to rotate and be crimped onto the points to be measured on the wing surface.

[0066] The above-mentioned embodiment of the present invention provides a wing strength detection device for a fixed-wing UAV, by providing a reciprocatingly slidable positioning cabin 204 on the bottom plate 101 and the top plate 201, a locking assembly 3 for positioning and clamping the UAV is mounted on the positioning cabin 204, and a clamping arm assembly 4 and a detection assembly 5 which are linked to the positioning cabin 204 are provided on the bottom plate 101. When the UAV is towed for movement, the UAV wing can be automatically positioned and locked, and automatic detection of multiple points can be realized in cooperation with the detection assembly 5.

[0067] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.

Claims

1. A wing strength detection device for a fixed-wing UAV, the wing strength detection device for the fixed-wing UAV having a first direction and a second direction relative to each other, characterized in that: The wing strength detection device of the fixed-wing UAV comprises: A base assembly, the base assembly comprising a bottom plate, a lower slide groove and an L-shaped plate, the lower slide groove is arranged on the bottom plate and arranged along a first direction, and the L-shaped plate is slidably assembled in the lower slide groove; A guide frame assembly, the guide frame assembly comprising a top plate, an upper slide groove, a slide, a positioning cabin and a curved cover, the top plate is fixedly mounted on the bottom plate, the upper slide groove is arranged on the top plate and arranged along a first direction, the slide is slidably mounted in the upper slide groove, the top of the slide is fixedly mounted with a positioning cabin, and the end of the positioning cabin is provided with a curved cover; The locking assembly comprises a positioning rod, a trigger block, a gear rod, a ring gear and a curved buckle. Two groups of positioning rods are slidably assembled on both sides of the positioning cabin. The positioning rod is fixedly provided with a trigger block and a gear rod. One end of the ring gear is rotatably arranged on the positioning cabin, and the other end of the ring gear is meshed with the positioning cabin. A curved buckle is also arranged at the end of the ring gear; A clamping arm assembly, the clamping arm assembly includes a stand, a side slide groove, a clamping arm, a side tooth plate, a side gear, a side transmission wheel and a crimping rod. The stand is fixedly arranged on the bottom plate, the stand is provided with a side slide groove, two groups of clamping arms are slidably assembled in the side slide groove along the second direction, one end of the clamping arm is fixedly connected with a side tooth plate, the side gear is rotatably assembled on one end of the stand, and the two groups of side tooth plates are meshed and connected with the side gear, the side transmission wheel is transmission-connected with the side gear, and a plurality of crimping rods are elastically slidably assembled on the clamping arm; A detection component, the detection component includes a detection bracket, a main shaft rod, a fixed collar, a driven gear ring, a detection arm, a limit lever and a detection sensor. The detection bracket is arranged on a base plate and the detection bracket is fixedly equipped with a main shaft rod. A plurality of fixed collars are arranged in an array on the main shaft rod. One end of the driven gear ring is rotatably mounted on the fixed collar, and the other end of the driven gear ring is fixedly connected to the detection arm. One end of the limit lever is fixedly connected to the fixed collar, and the other end of the limit lever is slidably inserted into the detection arm. A detection sensor is also fixedly assembled on the end of the detection arm.

2. The wing strength detection device for a fixed-wing UAV according to claim 1, characterized in that: The base assembly also includes a bottom tooth plate, a bottom rod, a stop plate and a first driving gear. The bottom tooth plate is slidably arranged at the bottom of the base plate along a first direction. The bottom tooth plate is also fixedly provided with a bottom rod and a stop plate at one end facing the L-shaped plate. The bottom rod is slidably assembled on the L-shaped plate. The first driving gear is fixedly arranged on the base plate. One end of the first driving gear is meshed with the bottom tooth plate, and the other end of the first driving gear is connected to the side gear transmission.

3. The wing strength detection device for a fixed-wing UAV according to claim 1, characterized in that: The base assembly also includes a connecting frame and a locking arm rod. The connecting frame is slidably assembled on the bottom plate along a first direction, and one end of the connecting frame is fixedly connected to the bottom tooth plate, and the other end of the connecting frame is fixedly connected to the locking arm rod.

4. The wing strength detection device for a fixed-wing UAV according to claim 1, characterized in that: The base assembly also includes a driver, a main screw, a center plate, a push rod, a Z-plate, a top tooth plate and a second driving gear. The driver is fixedly arranged at one end of the base plate, the main screw fixed axis is arranged on the base plate and is transmission-connected to the driver, the center plate is slidably arranged on the base plate along a first direction and meshes with the main screw, the top of the center plate is also fixedly connected with a push rod, the push rod is slidably inserted at the bottom of the slide along the first direction, the Z-plate is slidably assembled on the base plate along the first direction, and one end of the Z-plate is movably abutted against the L-plate, and the other end of the Z-plate is fixedly assembled with a top tooth plate, the second driving gear fixed axis is assembled on the base plate, and the second driving gear meshes with the top tooth plate.

5. The wing strength detection device for a fixed-wing UAV according to claim 1, characterized in that: The guide frame assembly also includes a speed reducer, a side guide rod and a reverse thrust block. The speed reducer is elastically slidably arranged on the top plate and movably abuts against the positioning cabin. The side guide rods are fixedly arranged on both sides of the top plate. The reverse thrust block is elastically slidably assembled on the side guide rods and movably abuts against the trigger block.

6. The wing strength detection device for a fixed-wing UAV according to claim 1, characterized in that: The locking assembly further comprises a positioning block and a balancing block, wherein the positioning block is fixedly connected to the positioning rod, the balancing block is slidably arranged at one end of the positioning cabin along the second direction, and the balancing block is slidably abutted against the positioning block.

7. The wing strength detection device for a fixed-wing UAV according to claim 6, characterized in that: The locking assembly also includes a locking rack, a transmission gear, a locking wheel and a clip. The locking rack is fixedly connected to the positioning block, the transmission gear is fixedly rotatably assembled on the positioning cabin, and one end of the transmission gear is meshed and connected with the locking rack, and the other end of the transmission gear is transmission-connected to the locking wheel. The locking wheel is fixedly rotatably arranged at one end of the positioning cabin, and a clip is fixedly assembled at the end of the locking wheel, and the clip rotates toward one side of the positioning cabin.

8. The wing strength detection device for a fixed-wing UAV according to claim 1, characterized in that: The clamp arm assembly also includes a stop block, a traction block and a traction rod, the stop block and the traction block are slidably arranged inside the clamp arm, and one end of the stop block is movably abutted against the traction block, and the other end of the stop block is crimped onto a plurality of crimping rods, the traction block is slidably arranged along a first direction, and the end of the traction block is fixedly connected to the traction rod.

9. The wing strength detection device for a fixed-wing UAV according to claim 8, characterized in that: The clamp arm assembly also includes a channel, a traction frame, a straight groove and a limit baffle. The channel is fixedly arranged on the base plate along a first direction. The traction frame is slidably assembled in the channel, and a straight groove is arranged on the traction frame. The traction rod is passed through the straight groove, and the end of the traction rod is fixedly connected to the limit baffle. One end of the traction frame is also fixedly connected to a locking arm rod.

10. The wing strength detection device for a fixed-wing UAV according to claim 1, characterized in that: The detection assembly also includes a secondary shaft, a residual tooth gear and a detection transmission wheel. The secondary shaft is arranged parallel to one end of the main shaft, and a plurality of residual tooth gears are arranged in an array on the secondary shaft. The residual tooth gears are matched with a plurality of detection arms. One end of the detection transmission wheel is connected to the secondary shaft, and the other end of the detection transmission wheel is connected to the second drive gear.

Images