A pneumatically assisted ejection device for unmanned aerial vehicles

Abstract

The present invention relates to the technical field of drones, and provides a pneumatically assisted ejection device for a drone, comprising: a base and an ejection seat, wherein the ejection seat is arranged above the base, and a rotating rod is movably embedded in the center of the top of the base. The present invention starts a motor so that its output shaft drives the worm to rotate, and then, under the interaction of the worm and the worm wheel, the rotating rod can be rotated, synchronously driving the disc to rotate, so that the support ring can easily rotate inside the annular groove with the assistance of the ball, thereby enabling the drone to be ejected 360 degrees in the horizontal direction, and synchronously starting an electric push rod so that it drives a U-shaped block 1 to push a round rod 1 to move inside a slide groove 1, and then, under the mutual cooperation of the round rod 1, the connecting plate and the round rod 2, the support plate can be rotated upward or downward around the fixed rod, thereby achieving the adjustment of the tilt angle of the drone ejection, thereby facilitating the adjustment of the azimuth angle of the drone ejection, and thus facilitating the use of the operator.

Description

Technical Field

[0001] The present invention relates to the technical field of unmanned aerial vehicles (UAVs), and in particular to a pneumatically assisted ejection device for a UAV. Background Art

[0002] A catapult is a device that uses its own power or external power to impart an initial velocity to an object being launched. It is primarily used to launch rockets, missiles, drones, and more. With the rapid development of catapult technology, catapults are also becoming more diverse. Based on the launch power, they are mainly divided into cold launch and hot launch.

[0003] In the existing technology, the pneumatic assisted ejection device of the drone is not convenient for adjusting the azimuth angle of the drone ejection. The azimuth angle adjustment process of the drone ejection is relatively troublesome, which makes it inconvenient for the operator to use. In addition, the drone is easily subjected to tension at the moment of ejection, thereby affecting the ejection force and angle, which may affect the normal ejection of the drone. In severe cases, it may cause the drone to fall and be damaged, resulting in certain property losses. Summary of the Invention

[0004] The purpose of the present invention is to solve the problem in the prior art that the pneumatic assisted ejection device of the drone is inconvenient to adjust the azimuth angle of the drone ejection, the azimuth angle adjustment process of the drone ejection is relatively cumbersome, and thus inconvenient for the operator to use, and the drone is easily subjected to tension at the moment of ejection, thereby affecting the ejection force and angle, which may affect the normal ejection of the drone, and in serious cases may cause the drone to fall and be damaged, resulting in certain property losses.

[0005] In order to achieve the above-mentioned purpose, the present invention adopts the following technical scheme: an air-assisted ejection device for a UAV, comprising: a base and an ejection seat, the ejection seat is arranged above the base, a rotating rod is movably embedded in the center of the top of the base, a disc is fixedly installed at one end of the rotating rod, a worm gear is fixedly sleeved on the other end of the rotating rod, two support blocks are symmetrically fixedly installed at the bottom of the inner wall of the base, a worm gear is movably embedded on the opposite side of the two support blocks near the top, a motor is fixedly installed on the side near the top of one of the support blocks, the output end of the motor is fixedly installed on one end of the worm gear, the teeth of the worm gear are meshed with the teeth of the worm gear, two square bars are symmetrically fixedly installed on the top of the disc, and the two square bars The cam is fixedly mounted on one end of the wheelchair, and the cam is secured to the upper and lower surfaces of the wheelchairs with respect to the first and second arms of the wheelchair.

[0006] Preferably, two vertical plates are symmetrically fixedly installed on the top of the support plate, and a second slide groove is provided on the opposite side of the two vertical plates. A connecting strip is fixedly installed on the same side of the two opposite sides of the two vertical plates, and a T-shaped slider is movably embedded in the inside of the two slide grooves. The top of the T-shaped slider is fixedly installed on the bottom of the ejection seat.

[0007] Preferably, a fixing plate is fixedly installed on one side of the base, a high-pressure air pump is fixedly installed at the center of the top of the fixing plate, and a telescopic hose is fixedly installed at the air outlet end of the high-pressure air pump. A high-pressure air chamber is fixedly embedded in the center of one of the connecting strips, one end of the high-pressure air chamber is fixedly installed on one end of the telescopic hose, one end of the telescopic hose is connected to the interior of the high-pressure air chamber, and an ejection push rod is sealed and movably embedded in the other end of the high-pressure air chamber, and one end of the ejection push rod is fixedly installed at the center of one side of the T-shaped slider.

[0008] Preferably, two movable rods are symmetrically provided on one side of the other connecting strip, and a slide is fixedly installed at one end of the two movable rods. The outer surfaces of the slides close to the two ends are movably embedded in the inside of the two slide grooves 2, and the outer surfaces of the two movable rods are movably sleeved with buffer springs. One end of the two buffer springs is symmetrically fixedly installed on one side of the connecting strip, and the other end of the two buffer springs is symmetrically fixedly installed on one side of the slide.

[0009] Preferably, two pulley grooves are symmetrically provided on the top of the ejection seat, an empty groove is provided on one side of the inner wall of the two pulley grooves, an air bag is fixedly installed on one side of the inner wall of the two empty grooves, a connecting pipe is fixedly embedded in the center of the opposite side of the ejection seat, a micro air pump is fixedly installed in the center of the opposite side of the ejection seat, and the air outlet ends of the two micro air pumps are respectively fixedly installed on one end of the two connecting pipes.

[0010] Preferably, an annular groove is provided on the top of the base, a plurality of balls are arranged inside the annular groove, a support ring is fixedly installed on the bottom of the disc near the outer ring, and the outer surface of the support ring near the bottom is movably embedded in the annular groove.

[0011] Preferably, two fixing blocks are symmetrically fixedly installed on opposite sides of the base close to the bottom, and a plurality of fixing blocks are provided with an inserting rod inside.

[0012] Preferably, a corrugated elastic sponge is fixedly mounted on the other side of the slide plate, and the outer surface of the corrugated elastic sponge close to both ends is movably embedded in the interior of the two second chute grooves.

[0013] Preferably, an elastic member is installed on one side of the other connecting strip.

[0014] Preferably, a pressure sensor is fixedly mounted on one side of the elastic member.

[0015] Compared with the prior art, the advantages and positive effects of the present invention are:

[0016] 1. The present invention starts the motor so that its output shaft drives the worm to rotate, and then, under the interaction of the worm and the worm wheel, the rotating rod can be rotated, synchronously driving the disc to rotate, so that the support ring can easily rotate inside the annular groove with the assistance of the ball, so that the drone can be ejected 360 degrees in the horizontal direction, and the electric push rod is started synchronously to drive the U-shaped block 1 to push the round rod 1 to move inside the slide groove 1, and then, under the mutual cooperation of the round rod 1, the connecting plate and the round rod 2, the support plate can be rotated upward or downward around the fixed rod, thereby realizing the adjustment of the inclination angle of the drone ejection, which is convenient for adjusting the azimuth angle of the drone ejection, and is convenient for the operator to use.

[0017] 2. The present invention activates the high-pressure air pump to deliver compressed gas to the interior of the high-pressure air chamber through the telescopic hose, causing the ejection push rod to be rapidly ejected along the interior of the high-pressure air chamber, pushing the T-shaped slider to move along the two sides of the slide groove toward one end. When the T-shaped slider contacts the corrugated elastic sponge, the slider drives the movable rod to move toward one side of the connecting bar, synchronously compressing the buffer spring and simultaneously causing the slider to contact the pressure sensor, causing the elastic member to deform. The pressure sensor allows the controller to control the micro air pump to start, causing the micro air pump to suck out the gas inside the airbag through the connecting tube, thereby rapidly shrinking the airbag into the empty groove, releasing the limit fixation on the drone pulley. Moreover, the T-shaped slider, under the mutual cooperation of the movable rod, buffer spring, slider and corrugated elastic sponge, can stop the T-shaped slider from moving forward, synchronously stopping the ejection seat from moving forward, thereby allowing the drone to glide forward under the action of inertia. This can prevent the drone from being subjected to tension during ejection, change the force and angle of the drone ejection, thereby ensuring normal ejection of the drone, preventing the drone from falling and being damaged, and thus avoiding property loss.

[0018] 3. The present invention places the device on the ground and then fixes the base by inserting a rod into the soil. In this way, when the drone is ejected, the device can be prevented from moving under the reverse force of the compressed gas, thereby ensuring the stability and safety of the drone ejection of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] Figure 1 A schematic structural diagram of a pneumatically assisted ejection device for a UAV provided by the present invention;

[0020] Figure 2 A schematic side view of the structure of a pneumatically assisted ejection device for a UAV provided by the present invention;

[0021] Figure 3 This is an enlarged structural diagram of point A in the figure of a pneumatically assisted ejection device for a UAV provided by the present invention;

[0022] Figure 4 A schematic diagram of a partial structure of a pneumatically assisted ejection device for a UAV provided by the present invention;

[0023] Figure 5 A schematic diagram of the ejection seat structure of a pneumatically assisted ejection device for a UAV provided by the present invention;

[0024] Figure 6 A schematic diagram of the partially disassembled structure of a pneumatically assisted ejection device for a UAV provided by the present invention;

[0025] Figure 7 This is an enlarged structural diagram of point B in the figure of a pneumatically assisted ejection device for a UAV provided by the present invention;

[0026] Figure 8 The present invention provides a schematic cross-sectional structure diagram of a pneumatically assisted ejection device for a UAV.

[0027] Legend:

[0028] 1. Base; 101. Fixing block; 102. Insert rod; 103. Annular groove; 104. Ball bearing; 2. Fixing plate; 201. High-pressure air pump; 202. Telescopic hose; 203. High-pressure air chamber; 204. Ejection push rod; 3. Disc; 301. Support ring; 302. Rotating rod; 303. Worm gear; 304. Support block; 305. Motor; 306. Worm; 4. Square bar; 401. Slideway 1; 402. Round rod 1; 403. U-shaped block 1; 404. Electric push rod; 405. Connector Connecting plate; 406, round rod 2; 407, U-shaped block 2; 408, support plate; 409, block; 410, fixed rod; 5, vertical plate; 501, connecting strip; 502, slide groove 2; 503, T-shaped slider; 504, movable rod; 505, buffer spring; 506, slide plate; 507, corrugated elastic sponge; 508, elastic part; 509, pressure sensor; 6, ejection seat; 601, pulley groove; 602, empty groove; 603, airbag; 604, connecting pipe; 605, micro air pump. DETAILED DESCRIPTION

[0029] The following will clearly and completely describe the technical solutions in the embodiments of the present invention in conjunction with the accompanying drawings. 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 making creative efforts are within the scope of protection of the present invention.

[0030] Example 1

[0031] like Figure 1-8As shown, the present invention provides a technical solution: an aerodynamically assisted ejection device for a drone, comprising: a base 1 and an ejection seat 6, the ejection seat 6 is arranged above the base 1, a rotating rod 302 is movably embedded in the center of the top of the base 1, one end of the rotating rod 302 is fixedly installed with a disc 3, and the other end of the rotating rod 302 is fixedly sleeved with a worm gear 303, two supporting blocks 304 are symmetrically fixedly installed at the bottom of the inner wall of the base 1, the two supporting blocks 304 are movably embedded with a worm 306 on the opposite side near the top, one of the supporting blocks 304 is fixedly installed with a motor 305 on the side near the top, the output end of the motor 305 is fixedly installed at one end of the worm 306, the teeth of the worm 306 are meshed with the teeth of the worm gear 303, two square bars 4 are symmetrically fixedly installed on the top of the disc 3, the two square bars 4 are provided with a slide groove 401 on the opposite side near the bottom, a round rod 402 is arranged inside the two slide grooves 401, and the two square bars 4 are provided with a slide groove 401 on the opposite side near the top. A fixing rod 410 is fixedly installed at the corner, and a support plate 408 is movably mounted on the outer surface of the fixing rod 410. A U-shaped block 407 is fixedly mounted on one end of the bottom of the support plate 408. A round rod 406 is fixedly embedded on the opposite side of the two arms of the U-shaped block 407. A connecting plate 405 is movably mounted on the outer surface of the round rod 402 on the outer surface of the round rod 1. A block 409 is fixedly mounted on the top of the disc 3 near the outer ring. An electric push rod 404 is fixedly installed on one side of 409, and a U-shaped block 403 is fixedly installed on one end of the electric push rod 404. The opposite sides of the two arms of the U-shaped block 403 are arranged on the outer surface of the round rod 402. An annular groove 103 is opened on the top of the base 1, and a plurality of balls 104 are arranged inside the annular groove 103. A support ring 301 is fixedly installed on the bottom near the outer ring of the disc 3, and the outer surface of the support ring 301 near the bottom is movably embedded in the inside of the annular groove 103.

[0032] In one embodiment, the round rod 402 is slidably connected to the inside of the slide 401, and the U-shaped block 403 is fixedly sleeved on the outer surface of the round rod 402. By starting the motor 305, its output shaft drives the worm 306 to rotate, and then under the interaction of the worm 306 and the worm wheel 303, the rotating rod 302 can be rotated, synchronously driving the disc 3 to rotate, so that the support ring 301 can easily rotate inside the annular groove 103 with the assistance of the ball 104, so that the drone can be ejected 360 degrees in the horizontal direction. The electric push rod 404 is started simultaneously, so that it drives the U-shaped block 403 to push the round rod 402 to move to one end inside the slide 401, and then under the mutual cooperation of the round rod 402, the connecting plate 405 and the round rod 2 406, the support plate 408 can be rotated up or down around the fixed rod 410, thereby realizing the adjustment of the tilt angle of the drone ejection, which is convenient for adjusting the azimuth angle of the drone ejection, thereby facilitating the use of the operator.

[0033] In another embodiment, the round rod 402 is rotatably connected to the inside of the slide 401, and the U-shaped block 403 is movably sleeved on the outer surface of the round rod 402. By starting the motor 305, its output shaft drives the worm 306 to rotate, and then under the interaction of the worm 306 and the worm wheel 303, the rotating rod 302 can be rotated, synchronously driving the disc 3 to rotate, so that the support ring 301 can easily rotate inside the annular groove 103 with the assistance of the ball 104, so that the drone can be ejected 360 degrees in the horizontal direction. , and the electric push rod 404 is started synchronously, so that it drives the U-shaped block 1 403 to push the round rod 1 402 to move and rotate toward one end inside the slide groove 1 401, and the round rod 1 402 is synchronously rotated inside the U-shaped block 1 403. Then, with the cooperation of the round rod 1 402, the connecting plate 405 and the round rod 2 406, the support plate 408 can be rotated upward or downward around the fixed rod 410, thereby realizing the adjustment of the tilt angle of the UAV ejection, which is convenient for the operator to adjust the azimuth angle of the UAV ejection, thereby facilitating the use of the operator.

[0034] Example 2

[0035] like Figure 1-8As shown, two vertical plates 5 are symmetrically fixedly installed on the top of the support plate 408, and a second slide groove 502 is opened on the opposite side of the two vertical plates 5. A connecting strip 501 is fixedly installed on the same side of the opposite side of the two vertical plates 5. A T-shaped slider 503 is movably embedded in the two second slide grooves 502. The top of the T-shaped slider 503 is fixedly installed on the bottom of the ejection seat 6. A fixed plate 2 is fixedly installed on one side of the base 1. A high-pressure air pump 201 is fixedly installed at the center of the top of the fixed plate 2. A telescopic hose 202 is fixedly installed on the air outlet end of the high-pressure air pump 201. A high-pressure gas chamber 203 is fixedly embedded in the center of one connecting strip 501, one end of the high-pressure gas chamber 203 is fixedly installed on one end of the telescopic hose 202, one end of the telescopic hose 202 is connected to the interior of the high-pressure gas chamber 203, and the other end of the high-pressure gas chamber 203 is sealed and movably embedded with an ejection push rod 204, one end of the ejection push rod 204 is fixedly installed at the center of one side of the T-shaped slider 503, and two movable rods 504 are symmetrically arranged on one side of the other connecting strip 501, and one end of the two movable rods 504 is fixedly installed with a slide plate 506. The outer surface of 506 near both ends is movably embedded in the interior of the two slide grooves 502, and the outer surface of the two movable rods 504 is movably sleeved with a buffer spring 505. One end of the two buffer springs 505 is symmetrically fixedly installed on one side of the connecting bar 501, and the other end of the two buffer springs 505 is symmetrically fixedly installed on one side of the slide plate 506. The top of the ejection seat 6 is symmetrically provided with two pulley grooves 601, and one side of the inner wall of the two pulley grooves 601 is provided with an empty groove 602. One side of the inner wall of the two empty grooves 602 is fixedly installed with an air bag 603. The ejection seat 6 A connecting pipe 604 is fixedly embedded at the center of each opposite side, and a micro air pump 605 is fixedly installed at the center of each opposite side of the ejection seat 6. The air outlet ends of the two micro air pumps 605 are respectively fixedly installed at one end of the two connecting pipes 604. A corrugated elastic sponge 507 is fixedly installed on the other side of the slide 506. The outer surface of the corrugated elastic sponge 507 near the two ends is movably embedded in the inside of the two slide grooves 502. An elastic part 508 is provided on one side of the other connecting strip 501, and a pressure sensor 509 is fixedly installed on one side of the elastic part 508.

[0036] In one embodiment, the movable rod 504 is slidably embedded in the interior of the connecting strip 501, and the elastic member 508 is a compression spring. By starting the high-pressure air pump 201, it transmits the compressed gas to the interior of the high-pressure air chamber 203 through the telescopic hose 202, so that the ejection push rod 204 is quickly ejected along the interior of the high-pressure air chamber 203, pushing the T-shaped slider 503 to move along the second slide groove 502 to one end. When the T-shaped slider 503 touches the corrugated elastic sponge 507, the slide plate 506 can push the movable rod 504 to slide toward the interior of the connecting strip 501, synchronously compressing the buffer spring 505, and synchronously making the slide plate 506 contact the pressure sensor 509, compressing the elastic member 508, and the pressure sensor 509 can make The controller controls the micro air pump 605 to start, so that it sucks out the gas inside the airbag 603 through the connecting tube 604, so that the airbag 603 quickly shrinks to the inside of the empty slot 602, releasing the limit fixation on the UAV pulley, and the T-shaped slider 503 can stop moving forward under the mutual cooperation of the movable rod 504, the buffer spring 505, the slide plate 506 and the corrugated elastic sponge 507, so that the T-shaped slider 503 stops moving forward, and the ejection seat 6 stops moving forward synchronously, so that the UAV can glide forward under the action of inertia, so as to avoid the UAV being subjected to tension during ejection, change the force and angle of the UAV ejection, thereby ensuring the normal ejection of the UAV, avoiding the UAV from falling and being damaged, and thus avoiding property loss.

[0037] In another embodiment, the movable rod 504 is fixedly connected to one side of the connecting strip 501. The movable rod 504 is a telescopic rod, and the elastic member 508 is a spring sheet. By starting the high-pressure air pump 201, the compressed gas is transported to the interior of the high-pressure air chamber 203 through the telescopic hose 202, so that the ejection push rod 204 is quickly ejected along the interior of the high-pressure air chamber 203, pushing the T-shaped slider 503 to move along the second slide groove 502 to one end. When the T-shaped slider 503 touches the corrugated elastic sponge 507, the slide plate 506 can push the movable rod 504 to cause the movable rod 504 to contract, and the buffer spring 505 is compressed synchronously. The slide plate 506 is simultaneously contacted with the pressure sensor 509, so that the elastic member 508 is compressed. 509 can enable the controller to control the micro air pump 605 to start, so that it sucks out the gas inside the airbag 603 through the connecting tube 604, so that the airbag 603 quickly shrinks to the inside of the empty slot 602, releasing the limit fixation on the UAV pulley, and the T-shaped slider 503 can stop moving forward under the mutual cooperation of the movable rod 504, the buffer spring 505, the slide plate 506 and the corrugated elastic sponge 507, so that the T-shaped slider 503 stops moving forward, and the ejection seat 6 stops moving forward synchronously, so that the UAV can glide forward under the action of inertia, so as to avoid the UAV being subjected to tension during ejection, change the force and angle of the UAV ejection, thereby ensuring the normal ejection of the UAV, avoiding the UAV from falling and being damaged, and thus avoiding property loss.

[0038] Example 3

[0039] like Figure 1-8 As shown, two fixing blocks 101 are symmetrically fixedly installed on opposite sides of the base 1 near the bottom, and an insertion rod 102 is provided inside each of the fixing blocks 101.

[0040] In one embodiment, the insertion rod 102 is slidably connected to the inside of the fixed block 101. By placing the device on the ground, and then inserting the insertion rod 102 into the inside of the fixed block 101 and into the soil, the base 1 is fixed. In this way, when the drone is ejected, the device can be prevented from moving under the reverse force of the compressed gas, thereby ensuring the stability and safety of the drone ejection of this device.

[0041] In another embodiment, the insertion rod 102 is threadedly connected to the inside of the fixed block 101. By placing the device on the ground and rotating the insertion rod 102, the insertion rod 102 can be inserted into the soil under the action of the threads of the fixed block 101, thereby fixing the base 1. In this way, when the drone is ejected, the device can be prevented from moving under the reverse force of the compressed gas, thereby ensuring the stability and safety of the drone ejection of this device.

[0042] Working principle: When in use, first place the device on the ground, then insert the rod 102 into the soil to fix the base 1, then place the drone on the ejection seat 6, so that the pulley of the drone is embedded in the pulley groove 601, and start the micro air pump 605 to blow gas into the air bag 603 through the connecting tube 604 to expand the air bag 603, thereby fixing the pulley embedded in the pulley groove 601 and keeping the drone in a relatively fixed state. Then, according to the need, the azimuth angle of the drone ejection is adjusted, and the output shaft of the motor 305 is started to drive the worm 306 to rotate, and then the worm 306 and the worm wheel 306 are rotated. 03, the rotating rod 302 can be rotated, and the disc 3 can be rotated synchronously, so that the support ring 301 can be easily rotated inside the annular groove 103 with the assistance of the ball 104, so that the drone can be ejected in the horizontal direction by 360 degrees, and the electric push rod 404 is started synchronously to drive the U-shaped block 1 403 to push the round rod 1 402 to move inside the slide groove 1 401, and then with the mutual cooperation of the round rod 1 402, the connecting plate 405 and the round rod 2 406, the support plate 408 can be rotated upward or downward around the fixed rod 410, so as to adjust the tilt angle of the drone ejection, which is convenient for adjusting the azimuth angle of the drone ejection, thereby facilitating operation. When the drone needs to be ejected, the high-pressure air pump 201 is started to transport the compressed gas to the inside of the high-pressure air chamber 203 through the telescopic hose 202, so that the ejection push rod 204 is quickly ejected along the inside of the high-pressure air chamber 203, pushing the T-shaped slider 503 to move toward one end along the slide groove 502. When the T-shaped slider 503 touches the corrugated elastic sponge 507, the slide plate 506 can drive the movable rod 504 to move toward the side of the connecting bar 501, and the buffer spring 505 is compressed at the same time, and the slide plate 506 is in contact with the pressure sensor 509 at the same time, so that the elastic member 508 is deformed. The controller can control the micro air pump 605 through the pressure sensor 509. When it is started, the gas inside the airbag 603 is sucked out through the connecting tube 604, so that the airbag 603 quickly shrinks into the inside of the empty slot 602, releasing the limit fixation on the UAV pulley, and the T-shaped slider 503, with the cooperation of the movable rod 504, the buffer spring 505, the slide plate 506 and the corrugated elastic sponge 507, can stop the T-shaped slider 503 from moving forward, and synchronously stop the ejection seat 6 from moving forward, so that the UAV can glide forward under the action of inertia, thereby avoiding the UAV from being subjected to tension during ejection, changing the force and angle of the UAV ejection, thereby ensuring the normal ejection of the UAV, avoiding the UAV from falling and being damaged, and thus avoiding property loss.

[0043] The above description is merely a preferred embodiment of the present invention and does not constitute any other form of limitation to the present invention. Any person skilled in the art may utilize the technical contents disclosed above to change or modify them into equivalent embodiments with equivalent changes for application in other fields. However, any simple modification, equivalent change, and modification of the above embodiments made in accordance with the technical essence of the present invention without departing from the technical solution of the present invention shall still fall within the scope of protection of the technical solution of the present invention.

Claims

1. A pneumatically assisted ejection device for a UAV, characterized in that: include: A base (1) and an ejection seat (6), wherein the ejection seat (6) is arranged above the base (1). A rotating rod (302) is movably embedded in the center of the top of the base (1), a disc (3) is fixedly installed at one end of the rotating rod (302), and a worm gear (303) is fixedly sleeved on the other end of the rotating rod (302). Two supporting blocks (304) are symmetrically fixedly installed at the bottom of the inner wall of the base (1), and worm gears (306) are movably embedded on opposite sides of the two supporting blocks (304) near the top. A motor (305) is fixedly installed on one side of one of the supporting blocks (304) near the top, and an output end of the motor (305) is fixedly installed on one end of the worm gear (306). The teeth of the worm gear (306) are meshed with the teeth of the worm gear (303). Two square bars (4) are symmetrically fixedly installed on the top of the disc (3), and a slide groove (401) is provided on the opposite side of the two square bars (4) near the bottom. A round rod (402) is provided inside the two slide grooves (401). A fixed rod (410) is fixedly installed at the corner of the two square bars (4) near the opposite side of the top. A support plate (408) is movably sleeved on the outer surface of the fixed rod (410). A U-shaped block (407) is fixedly installed at one end of the bottom of the support plate (408). The two arms of the U-shaped block (407) are opposite to each other. A second round rod (406) is fixedly embedded on one side, and a connecting plate (405) is movably sleeved on the outer surface of the second round rod (406). One end of the connecting plate (405) is movably sleeved on the outer surface of the first round rod (402). Two vertical plates (5) are symmetrically fixedly installed on the top of the support plate (408). A second slide groove (502) is provided on the opposite side of the two vertical plates (5). A connecting strip (501) is fixedly installed on the same side of the opposite side of the two vertical plates (5). A T-shaped slider (503) is movably embedded inside the two second slide grooves (502). A block (409) is fixedly mounted on the top of the disc (3) near the outer ring, an electric push rod (404) is fixedly mounted on one side of the block (409), a U-shaped block (403) is fixedly mounted on one end of the electric push rod (404), and opposite sides of the two arms of the U-shaped block (403) are arranged on the outer surface of the round rod (402); A fixing plate (2) is fixedly mounted on one side of the base (1), a high-pressure air pump (201) is fixedly mounted at the center of the top of the fixing plate (2), a telescopic hose (202) is fixedly mounted at the air outlet end of the high-pressure air pump (201), a high-pressure air chamber (203) is fixedly embedded at the center of one of the connecting strips (501), an ejection push rod (204) is sealed and movably embedded at the other end of the high-pressure air chamber (203), and one end of the ejection push rod (204) is fixedly mounted at the center of one side of the T-shaped slider (503); Two pulley grooves (601) are symmetrically provided on the top of the ejection seat (6), an empty groove (602) is provided on one side of the inner wall of each of the two pulley grooves (601), an air bag (603) is fixedly installed on one side of the inner wall of each of the two empty grooves (602), a connecting pipe (604) is fixedly embedded in the center of the opposite side of the ejection seat (6), and a micro air pump (605) is fixedly installed in the center of the opposite side of the ejection seat (6).

2. The pneumatically assisted ejection device for a UAV according to claim 1, characterized in that: The top of the T-shaped sliding block (503) is fixedly mounted on the bottom of the ejection seat (6).

3. The pneumatically assisted ejection device for a UAV according to claim 2, characterized in that: One end of the high-pressure air chamber (203) is fixedly mounted on one end of the telescopic hose (202), and one end of the telescopic hose (202) is in communication with the interior of the high-pressure air chamber (203).

4. The pneumatically assisted ejection device for a UAV according to claim 2, characterized in that: Two movable rods (504) are symmetrically arranged on one side of the other connecting bar (501), and a slide plate (506) is fixedly installed on one end of the two movable rods (504). The outer surfaces of the slide plate (506) near the two ends are movably embedded in the inside of the two slide grooves (502). The outer surfaces of the two movable rods (504) are movably sleeved with buffer springs (505), and one end of the two buffer springs (505) is symmetrically fixed on one side of the connecting bar (501), and the other end of the two buffer springs (505) is symmetrically fixed on one side of the slide plate (506).

5. The pneumatically assisted ejection device for a UAV according to claim 2, characterized in that: The air outlet ends of the two micro air pumps (605) are respectively fixedly mounted on one end of the two connecting pipes (604).

6. The pneumatically assisted ejection device for a UAV according to claim 1, characterized in that: An annular groove (103) is provided on the top of the base (1), and a plurality of balls (104) are provided inside the annular groove (103). A support ring (301) is fixedly installed on the bottom of the disc (3) near the outer ring, and the outer surface of the support ring (301) near the bottom is movably embedded in the annular groove (103).

7. The pneumatically assisted ejection device for a UAV according to claim 6, characterized in that: Two fixing blocks (101) are symmetrically fixedly mounted on opposite sides of the base (1) close to the bottom, and insertion rods (102) are provided inside the plurality of fixing blocks (101).

8. The pneumatically assisted ejection device for a UAV according to claim 4, characterized in that: A corrugated elastic sponge (507) is fixedly mounted on the other side of the slide plate (506), and the outer surfaces of the corrugated elastic sponge (507) near both ends are movably embedded in the interiors of the two second slide grooves (502).

9. The pneumatically assisted ejection device for a UAV according to claim 4, characterized in that: An elastic member (508) is installed on one side of the other connecting strip (501).

10. The pneumatically assisted ejection device for a UAV according to claim 9, characterized in that: A pressure sensor (509) is fixedly mounted on one side of the elastic member (508).

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