CN108116691B - Hydraulic ejection method of unmanned aerial vehicle - Google Patents
Hydraulic ejection method of unmanned aerial vehicle Download PDFInfo
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- CN108116691B CN108116691B CN201711481391.3A CN201711481391A CN108116691B CN 108116691 B CN108116691 B CN 108116691B CN 201711481391 A CN201711481391 A CN 201711481391A CN 108116691 B CN108116691 B CN 108116691B
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64F—GROUND OR AIRCRAFT-CARRIER-DECK INSTALLATIONS SPECIALLY ADAPTED FOR USE IN CONNECTION WITH AIRCRAFT; DESIGNING, MANUFACTURING, ASSEMBLING, CLEANING, MAINTAINING OR REPAIRING AIRCRAFT, NOT OTHERWISE PROVIDED FOR; HANDLING, TRANSPORTING, TESTING OR INSPECTING AIRCRAFT COMPONENTS, NOT OTHERWISE PROVIDED FOR
- B64F1/00—Ground or aircraft-carrier-deck installations
- B64F1/04—Launching or towing gear
- B64F1/06—Launching or towing gear using catapults
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U70/00—Launching, take-off or landing arrangements
- B64U70/70—Launching or landing using catapults, tracks or rails
Abstract
The invention discloses a hydraulic ejection method of an unmanned aerial vehicle, which comprises the following steps: (1) the method comprises the following steps of pulling a small unmanned aerial vehicle launching vehicle to a launching place through a vehicle, starting a hydraulic station, and providing power drive for a lifting oil cylinder, a high-speed hydraulic cylinder and a hydraulic support leg through an oil pipe by the hydraulic station; (2) adjusting the emission angle; (3) carrying out ejection preparation; (4) and finishing the emission work. The invention has the advantages of simple operation, high safety performance, strong launching reliability, low energy consumption, large thrust, high stability and the like.
Description
Technical Field
The invention is applied to the field of unmanned aerial vehicles, and particularly relates to a hydraulic ejection method of an unmanned aerial vehicle.
Background
Along with the development of science and technology, unmanned aerial vehicles are more and more widely applied, and unmanned aerial vehicles are called unmanned aerial vehicles for short, and are unmanned aerial vehicles operated by utilizing radio remote control equipment and self-contained program control devices. The machine is driven without a cabin, but is provided with an automatic pilot, a program control device and other equipment. Personnel can track, position, remotely control and the like through equipment such as radars and the like, so that the unmanned aerial vehicle can launch and take off like a common airplane. In recent decades, unmanned aerial vehicles have been widely used in the fields of aerial photography, electric power cruising, environmental monitoring, forest fire prevention, disaster patrol, terrorism prevention and life saving, military reconnaissance, battlefield assessment and the like, the defects of aerial operation of piloted aircrafts are effectively overcome, the purchase and maintenance cost is reduced, the safety of vehicles is improved, but the launch starting of unmanned aerial vehicles is difficult, the launch stability of unmanned aerial vehicles is not strong, and the safety and the launch reliability are both to be improved.
Disclosure of Invention
The invention provides a hydraulic ejection method of an unmanned aerial vehicle, which aims to overcome the defects in the prior art and has high safety performance, strong emission reliability and high stability.
In order to achieve the purpose, the invention adopts the following technical scheme:
the utility model provides an unmanned aerial vehicle's hydraulic pressure ejection method, this method uses unmanned aerial vehicle hydraulic pressure ejection car to go on, unmanned aerial vehicle hydraulic pressure ejection car include transmission platform, support column and transmission base, the bottom of transmission base is equipped with two wheels, the perpendicular fixed connection of support column is on transmission base upper surface, be equipped with hydraulic pressure station on the transmission base, transmission platform's length direction sets up along left right direction, transmission platform's left side bottom articulates in the support column upper end, be equipped with lift cylinder between transmission platform's right side bottom and the transmission base, be equipped with transmission thrust unit on the transmission platform, hydraulic pressure station is connected with lift cylinder and transmission thrust unit through oil pipe respectively.
The launching platform comprises a take-off plate, a rib plate and a bottom plate, the take-off plate, the rib plate and the bottom plate are arranged in the left-right direction along the length direction, the bottom plate is positioned below the take-off plate, the rib plate is positioned between the take-off plate and the bottom plate, the rib plate is arranged perpendicular to the bottom plate, the upper side edge of the rib plate is fixed to the center line of the lower surface of the take-off plate, the lower side edge of the rib plate is fixed to the center line of the upper surface of the bottom plate;
the launching pushing device comprises a high-speed hydraulic cylinder, a traction rope, a guide cylinder and a sliding traction mechanism, wherein a first fixed pulley is arranged on the right side of the bottom plate, a mounting frame is fixedly connected with the right side part of the bottom plate, the high-speed hydraulic cylinder is fixedly arranged in the mounting frame, the lower end of a lifting oil cylinder is connected with a launching base, the end part of a piston rod of the lifting oil cylinder is hinged with the middle part of the lower side of the mounting frame, the guide cylinder is fixedly arranged on the left side of the bottom plate, a slotted hole is formed in the side wall of the upper side of the guide cylinder along the length direction of the guide cylinder, the side wall of the guide cylinder is fixedly connected with the bottom plate through a support and is coaxially arranged with the high-speed hydraulic cylinder, the end part of the piston rod of the high-speed hydraulic cylinder is coaxially, the other end of the traction rope is connected with the vertical plate;
four hydraulic support legs are symmetrically arranged at the bottom of the launching base, and the hydraulic station is connected with the hydraulic support legs through oil pipes; the right side of the emission base is fixedly connected with a towing hook; the upper surface of the launching platform is provided with anti-skid lines;
the hydraulic ejection method of the unmanned aerial vehicle comprises the following steps:
(1) determining the launch site and starting the hydraulic station: connecting a towing hook of an unmanned aerial vehicle hydraulic ejection vehicle to a traction vehicle, pulling the unmanned aerial vehicle hydraulic ejection vehicle to a launching place through the traction vehicle, starting a hydraulic station, providing power drive for a lifting oil cylinder, a high-speed hydraulic cylinder and a hydraulic support leg through an oil pipe by the hydraulic station, and enabling the hydraulic support leg to work;
(2) adjusting the emission angle: starting the lifting oil cylinder, extending a piston rod of the lifting oil cylinder out and supporting the right side part of the launching platform, and stopping the lifting oil cylinder when the launching platform is supported to a launching angle;
(3) carrying out ejection preparation: one end of a traction rope is connected with the right side part of the front side of the rib plate, the other end of the traction rope sequentially bypasses the sliding traction mechanism and the first fixed pulley and is connected to the vertical plate, the unmanned aerial vehicle is placed on the left side of the upper surface of the launching platform and is connected with the sliding traction mechanism, launching preparation is completed, and the unmanned aerial vehicle is in a state to be launched;
(4) carrying out emission work: the high-speed hydraulic cylinder is started, a piston rod of the high-speed hydraulic cylinder rapidly extends out of a cylinder barrel of the high-speed hydraulic cylinder, a linear bearing slides leftwards along an inner cavity of a guide barrel, a vertical rod moves leftwards rapidly along a slotted hole of a limiting barrel along the linear bearing, a vertical plate drives one end of a traction rope to move leftwards rapidly, so that the traction rope drives a movable pulley on the front side of an upper ribbed plate of a sliding traction mechanism to move rightwards, the sliding traction mechanism moves rightwards along a slotted hole in a launching platform in the launching platform and drives an unmanned aerial vehicle to move rightwards along a take-off plate, when the sliding traction mechanism moves to the right side part of the launching platform, a traction block on the sliding traction mechanism is separated from the unmanned aerial vehicle, an electric cylinder on the sliding traction mechanism works to drive an L-shaped folding;
the working process of the hydraulic support leg in the step (1) is as follows: the hydraulic station provides power drive for the hydraulic support legs through oil pipes, piston rods of the hydraulic support legs extend downwards, and when the hydraulic support legs extend to the ground, the piston rods of the hydraulic support legs stop extending;
the sliding traction mechanism comprises a sliding frame which is connected in a long hole in a sliding mode, the sliding frame comprises a long-strip sliding block, the long-strip sliding block is connected in the long hole of the rib plate in a sliding mode, the left end of the long-strip sliding block is fixedly connected with a first installation shaft which is arranged along the front-back direction, the right end of the long-strip sliding block is fixedly connected with a second installation shaft which is arranged along the front-back direction, the front end and the rear end of the first installation shaft are respectively connected with rollers through bearings in a rotating mode, the two rollers are connected to the bottom plate in a rolling mode, the front end and the rear end of the second installation shaft are respectively connected with a movable pulley through bearings in a rotating mode, one end;
a fixed plate is fixed on the front side of the long sliding block, a first mounting plate is vertically and downwards fixed on the front side of the fixed plate, a second mounting plate is fixed on the front end of the fixed plate, an L-shaped folding rod is hinged to the second mounting plate, an electric cylinder is arranged between one end of the L-shaped folding rod and the first mounting plate, the other end of the L-shaped folding rod is fixedly connected with a traction block, and a jaw is arranged on the traction block;
the working process of the sliding traction mechanism in the step (3) is as follows: rotating a roller on the sliding traction mechanism to enable the roller to rotate along the bottom plate, moving the sliding traction mechanism to the left end part of the launching platform, then winding a traction rope around a movable pulley on the front side of an upper rib plate of the sliding traction mechanism and connecting the traction rope with the movable pulley, and then connecting a machine head of the unmanned aerial vehicle with a traction block;
after the unmanned aerial vehicle finishes launching and leaves the take-off plate, the piston rod of the lifting oil cylinder is retracted, the launching platform is slowly lowered to the left and right levels of the launching platform, and the unmanned aerial vehicle hydraulic catapult vehicle is pulled back to a storage place through the vehicle.
The invention has the following advantages:
(1) the hydraulic ejection vehicle for the unmanned aerial vehicle adopts the high-speed hydraulic cylinder, the piston rod of the high-speed hydraulic cylinder moves at a high speed to drive the traction rope to move at a high speed, hydraulic ejection of the unmanned aerial vehicle is completed, power is provided for the unmanned aerial vehicle, and the structural design is reasonable.
(2) The tow hook is fixedly connected to the right side of the launching base, so that the launching base is convenient to tow; the anti-skidding lines are arranged on the launching platform, so that friction is increased conveniently, skidding is prevented, and the stability is high.
(3) The invention can adjust the launching angle of the unmanned aerial vehicle to adapt to different launching conditions, by starting the lifting oil cylinder, the piston rod of the lifting oil cylinder extends out and props up the right side part of the launching platform, and when the launching platform is propped up to the launching angle, the lifting oil cylinder stops working.
(4) The invention uses hydraulic ejection, has low energy consumption, large thrust and convenient maintenance.
In conclusion, the invention has the advantages of lower cost, low energy consumption, large thrust, simple structure, simple and convenient operation, high safety performance, strong launching reliability, high stability and the like.
Drawings
Fig. 1 is a schematic structural diagram of a hydraulic ejection vehicle of an unmanned aerial vehicle used in the invention;
FIG. 2 is a schematic structural view of the sliding traction mechanism of FIG. 1;
FIG. 3 is a left side view of FIG. 2;
FIG. 4 is a top plan view of the carriage of FIG. 1;
fig. 5 is a cross-sectional view of the launch platform of fig. 1.
Detailed Description
The embodiments of the present invention are further described below with reference to the drawings.
The leftward direction in fig. 1 is the left direction, the direction toward the viewer in fig. 1 is the forward direction, and the upward direction in fig. 1 is the upward direction.
As shown in fig. 1-5, the hydraulic ejection method of the unmanned aerial vehicle is carried out by using a hydraulic ejection vehicle of the unmanned aerial vehicle, the hydraulic ejection vehicle of the unmanned aerial vehicle comprises an ejection platform, a support column 1 and an ejection base 27, two wheels are arranged at the bottom of the ejection base 27, the support column 1 is vertically and fixedly connected to the upper surface of the ejection base 27, a hydraulic station 3 is arranged on the ejection base 27, the length direction of the ejection platform is arranged along the left-right direction, the left bottom of the ejection platform is hinged to the upper end of the support column 1, a lifting cylinder 4 is arranged between the right bottom of the ejection platform and the ejection base 27, an ejection pushing device is arranged on the ejection platform, and the hydraulic station 3 is respectively connected with the lifting cylinder 4 and the.
The launching platform comprises a takeoff plate 9, a rib plate 10 and a bottom plate 11, the length directions of the takeoff plate 9, the rib plate 10 and the bottom plate 11 are all arranged along the left-right direction, the bottom plate 11 is located below the takeoff plate 9, the rib plate 10 is located between the takeoff plate 9 and the bottom plate 11, the rib plate 10 is perpendicular to the bottom plate 11, the upper side edge of the rib plate 10 is fixed at the center line of the lower surface of the takeoff plate 9, the lower side edge of the rib plate 10 is fixed at the center line of the upper surface of the bottom plate 11, and the rib plate 10 is provided with a long hole 8;
the launching pushing device comprises a high-speed hydraulic cylinder 13, a traction rope 7, a guide cylinder 16 and a sliding traction mechanism, wherein a first fixed pulley 6 is arranged on the right side of a bottom plate 11, an installation frame 12 is fixedly connected to the right side of the bottom plate 11, the high-speed hydraulic cylinder 13 is fixedly installed in the installation frame 12, the lower end of a lifting oil cylinder 4 is connected with a launching base 27, the end part of a piston rod of the lifting oil cylinder 4 is hinged with the middle part of the lower side of the installation frame 12, the guide cylinder 16 is fixedly installed on the left side of the bottom plate 11, a slotted hole is formed in the side wall of the upper side of the guide cylinder 16 along the length direction of the guide cylinder 16, the side wall of the guide cylinder 16 is fixedly connected with the bottom plate 11 through a support, the guide cylinder 16 and the high-speed hydraulic cylinder 13 are coaxially arranged, the end part of the piston rod of the, one end of a traction rope 7 is connected with the right side part of the front side of the ribbed plate 10, and the other end of the traction rope 7 is connected with the vertical plate 15;
the bottom of the launching base 27 is symmetrically provided with four hydraulic support legs 2, and the hydraulic station 3 is connected with the hydraulic support legs 2 through oil pipes; the right side of the emission base 27 is fixedly connected with a towing hook 5; the upper surface of the launching platform is provided with anti-skid lines;
the hydraulic ejection method of the unmanned aerial vehicle comprises the following steps:
(1) determining the launch site and starting the hydraulic station 3: connecting a towing hook 5 of an unmanned aerial vehicle hydraulic ejection vehicle to a traction vehicle, pulling the unmanned aerial vehicle hydraulic ejection vehicle to a launching place through the traction vehicle, starting a hydraulic station 3, providing power drive for a lifting oil cylinder 4, a high-speed hydraulic cylinder 13 and a hydraulic support leg 2 through an oil pipe by the hydraulic station 3, and enabling the hydraulic support leg 2 to work;
(2) adjusting the emission angle: starting the lifting oil cylinder 4, extending a piston rod of the lifting oil cylinder 4 out and supporting the right side part of the launching platform, and stopping the lifting oil cylinder 4 when the launching platform is supported to a launching angle;
(3) carrying out ejection preparation: one end of a traction rope 7 is connected with the right side part of the front side of the ribbed plate 10, the other end of the traction rope 7 sequentially bypasses the sliding traction mechanism and the first fixed pulley 6 and is connected to the vertical plate 15, the unmanned aerial vehicle is placed on the left side of the upper surface of the launching platform and is connected with the sliding traction mechanism, launching preparation is completed, and the unmanned aerial vehicle is in a state to be launched;
(4) carrying out emission work: the high-speed hydraulic cylinder 13 is started, a piston rod of the high-speed hydraulic cylinder 13 rapidly extends out of a cylinder barrel of the high-speed hydraulic cylinder 13, the linear bearing 14 slides leftwards along an inner cavity of the guide cylinder 16, the upright post moves leftwards along a slotted hole of the limiting cylinder along the linear bearing 14, the upright plate 15 drives one end of the traction rope 7 to move leftwards rapidly, so that the traction rope 7 drives a movable pulley on the front side of a ribbed plate 10 on the sliding traction mechanism to move rightwards, the sliding traction mechanism moves rightwards along a slotted hole 8 in the launching platform, the sliding traction mechanism drives the unmanned aerial vehicle to move rightwards along a takeoff plate 9, when the sliding traction mechanism moves to the right side part of the launching platform, a traction block on the sliding traction mechanism is separated from the unmanned aerial vehicle, an electric cylinder on the sliding traction mechanism works to drive an L, completing the emission;
the working process of the hydraulic support leg 2 in the step (1) is as follows: the hydraulic station 3 provides power drive for the hydraulic support legs 2 through oil pipes, piston rods of the hydraulic support legs 2 extend downwards, and when the hydraulic support legs 2 extend to the ground, the piston rods of the hydraulic support legs 2 stop extending;
the sliding traction mechanism comprises a sliding frame which is connected in a long hole 8 in a sliding mode, the sliding frame comprises a long sliding block 20, the long sliding block 20 is connected in the long hole 8 of the ribbed plate 10 in a sliding mode, the left end of the long sliding block 20 is fixedly connected with a first installation shaft which is arranged in the front-back direction, the right end of the long sliding block 20 is fixedly connected with a second installation shaft which is arranged in the front-back direction, the front end and the back end of the first installation shaft are respectively connected with rollers 21 in a rotating mode through bearings, the two rollers 21 are connected on the bottom plate 11 in a rolling mode, the front end and the back end of the second installation shaft are respectively connected with a movable pulley 17 in a rotating mode through bearings, one end of a traction rope 7 is connected with the right side portion of the front;
a fixing plate 26 is fixed on the front side of the long sliding block 20, a first mounting plate 25 is vertically and downwardly fixed on the front side of the fixing plate 26, a second mounting plate 23 is fixed on the front end of the fixing plate 26, an L-shaped folding rod 18 is hinged to the second mounting plate 23, an electric cylinder 24 is arranged between one end of the L-shaped folding rod 18 and the first mounting plate 25, a traction block 19 is fixedly connected to the other end of the L-shaped folding rod 18, and a jaw 22 is arranged on the traction block 19;
the working process of the sliding traction mechanism in the step (3) is as follows: rotating a roller 21 on the sliding traction mechanism to enable the roller 21 to rotate along the bottom plate 11, moving the sliding traction mechanism to the left end part of the launching platform, then winding a traction rope 7 around a movable pulley 17 on the front side of a ribbed plate 10 on the sliding traction mechanism and connecting the traction rope with the movable pulley 17, and then connecting the head of the unmanned aerial vehicle with a traction block 19;
after the unmanned aerial vehicle finishes launching and leaves the take-off plate 9, the piston rod of the lifting oil cylinder 4 is retracted, the launching platform is slowly lowered to the left and right levels of the launching platform, and then the unmanned aerial vehicle hydraulic catapult vehicle is pulled back to a storage place through the vehicle.
Although the present invention has been described in detail with reference to the above embodiments, it should be understood by those skilled in the art that various changes may be made and equivalents may be substituted without departing from the spirit and scope of the invention, which is defined in the claims.
Claims (4)
1. A hydraulic ejection method of an unmanned aerial vehicle is characterized in that: the method is carried out by using an unmanned aerial vehicle hydraulic ejection vehicle, the unmanned aerial vehicle hydraulic ejection vehicle comprises an ejection platform, a support column and an ejection base, two wheels are arranged at the bottom of the ejection base, the support column is vertically and fixedly connected to the upper surface of the ejection base, a hydraulic station is arranged on the ejection base, the length direction of the ejection platform is arranged along the left-right direction, the left bottom of the ejection platform is hinged to the upper end of the support column, a lifting oil cylinder is arranged between the right bottom of the ejection platform and the ejection base, an ejection pushing device is arranged on the ejection platform, and the hydraulic station is respectively connected with the lifting oil cylinder and;
the launching platform comprises a take-off plate, a rib plate and a bottom plate, the take-off plate, the rib plate and the bottom plate are arranged in the left-right direction along the length direction, the bottom plate is positioned below the take-off plate, the rib plate is positioned between the take-off plate and the bottom plate, the rib plate is arranged perpendicular to the bottom plate, the upper side edge of the rib plate is fixed to the center line of the lower surface of the take-off plate, the lower side edge of the rib plate is fixed to the center line of the upper surface of the bottom plate;
the launching pushing device comprises a high-speed hydraulic cylinder, a traction rope, a guide cylinder and a sliding traction mechanism, wherein a first fixed pulley is arranged on the right side of the bottom plate, a mounting frame is fixedly connected to the right side of the bottom plate, the high-speed hydraulic cylinder is fixedly mounted in the mounting frame, the lower end of the lifting oil cylinder is connected with the launching base, the end part of a piston rod of the lifting oil cylinder is hinged to the middle part of the lower side of the mounting frame, the guide cylinder is fixedly mounted on the left side of the bottom plate, a slotted hole is formed in the side wall of the upper side of the guide cylinder along the length direction of the guide cylinder, the side wall of the guide cylinder is fixedly connected with the bottom plate through a support and is coaxially arranged with the high-speed hydraulic cylinder, the end part of the;
four hydraulic support legs are symmetrically arranged at the bottom of the launching base, and the hydraulic station is connected with the hydraulic support legs through oil pipes; the right side of the emission base is fixedly connected with a towing hook; the upper surface of the launching platform is provided with anti-skid lines;
the sliding traction mechanism comprises a sliding frame which is connected in a long hole in a sliding mode, the sliding frame comprises a long-strip sliding block, the long-strip sliding block is connected in the long hole of the rib plate in a sliding mode, the left end of the long-strip sliding block is fixedly connected with a first installation shaft which is arranged along the front-back direction, the right end of the long-strip sliding block is fixedly connected with a second installation shaft which is arranged along the front-back direction, the front end and the rear end of the first installation shaft are respectively connected with rollers through bearings in a rotating mode, the two rollers are connected to the bottom plate in a rolling mode, the front end and the rear end of the second installation shaft are respectively connected with a movable pulley through bearings in a rotating mode, one end;
a fixed plate is fixed on the front side of the long sliding block, a first mounting plate is vertically and downwards fixed on the front side of the fixed plate, a second mounting plate is fixed on the front end of the fixed plate, an L-shaped folding rod is hinged to the second mounting plate, an electric cylinder is arranged between one end of the L-shaped folding rod and the first mounting plate, the other end of the L-shaped folding rod is fixedly connected with a traction block, and a jaw is arranged on the traction block;
the hydraulic ejection method of the unmanned aerial vehicle comprises the following steps:
(1) determining the launch site and starting the hydraulic station: connecting a towing hook of an unmanned aerial vehicle hydraulic ejection vehicle to a traction vehicle, pulling the unmanned aerial vehicle hydraulic ejection vehicle to a launching place through the traction vehicle, starting a hydraulic station, providing power drive for a lifting oil cylinder, a high-speed hydraulic cylinder and a hydraulic support leg through an oil pipe by the hydraulic station, and enabling the hydraulic support leg to work;
(2) adjusting the emission angle: starting the lifting oil cylinder, extending a piston rod of the lifting oil cylinder out and supporting the right side part of the launching platform, and stopping the lifting oil cylinder when the launching platform is supported to a launching angle;
(3) carrying out ejection preparation: one end of a traction rope is connected with the right side part of the front side of the rib plate, the other end of the traction rope sequentially bypasses the sliding traction mechanism and the first fixed pulley and is connected to the vertical plate, the unmanned aerial vehicle is placed on the left side of the upper surface of the launching platform and is connected with the sliding traction mechanism, launching preparation is completed, and the unmanned aerial vehicle is in a state to be launched;
(4) carrying out emission work: high-speed pneumatic cylinder starts, high-speed pneumatic cylinder's cylinder of high-speed pneumatic cylinder is stretched out fast to the piston rod, linear bearing slides left along the inner chamber of guide cylinder, the pole setting is followed linear bearing along the slotted hole quick movement left of spacing section of thick bamboo, the riser drives the quick left movement of one end of haulage rope, thereby the haulage rope drives the movable pulley of sliding the last floor front side of drive mechanism and moves right, the slot hole of sliding the drive mechanism in following the launching platform in the launching platform moves right, the traction mechanism that slides drives unmanned aerial vehicle and moves right along the board of taking off, when the traction mechanism that slides moves to the launching platform right flank portion, the last traction block and the unmanned aerial vehicle phase separation of sliding the drive mechanism, thereby the last electronic jar work of sliding the drive L shape folding rod rotates right and drives the traction block and rotates right.
2. The hydraulic ejection method of an unmanned aerial vehicle as claimed in claim 1, wherein: the working process of the hydraulic support leg in the step (1) is as follows: the hydraulic station provides power drive for the hydraulic support legs through oil pipes, piston rods of the hydraulic support legs extend downwards, and when the hydraulic support legs extend to the ground, the piston rods of the hydraulic support legs stop extending.
3. The hydraulic ejection method of an unmanned aerial vehicle as claimed in claim 1, wherein: the working process of the sliding traction mechanism in the step (3) is as follows: the gyro wheel on the rotation slip drive mechanism makes the gyro wheel rotate along the bottom plate, removes slip drive mechanism to launch platform left end portion, walks around the movable pulley of slip drive mechanism upper rib plate front side again with the haulage rope and is connected with this movable pulley, then is connected unmanned aerial vehicle's aircraft nose and traction block.
4. The hydraulic ejection method of an unmanned aerial vehicle as claimed in claim 1, wherein: after the unmanned aerial vehicle finishes launching and leaves the take-off plate, the piston rod of the lifting oil cylinder is retracted, the launching platform is slowly lowered to the left and right levels of the launching platform, and the unmanned aerial vehicle hydraulic catapult vehicle is pulled back to a storage place through the vehicle.
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| CN109018418B (en) * | 2018-09-14 | 2023-11-28 | 青岛启航弹射科技有限公司 | Ejector rail device of emitter |
| CN111038724B (en) * | 2019-12-27 | 2022-07-08 | 航天神舟飞行器有限公司 | Mechanism for launching unmanned aerial vehicle on airship |
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