CN209739380U

CN209739380U - Wedge-shaped air pressure ejection device for launching unmanned aerial vehicle

Info

Publication number: CN209739380U
Application number: CN201920154482.4U
Authority: CN
Inventors: 张桂彬; 姚爱霞; 丁志超
Original assignee: AEROSPACE SHENZHOU AIRCRAFT Co Ltd
Current assignee: AEROSPACE SHENZHOU AIRCRAFT Co Ltd
Priority date: 2019-01-29
Filing date: 2019-01-29
Publication date: 2019-12-06
Anticipated expiration: 2029-01-29

Abstract

The utility model provides a wedge-shaped air pressure ejection device for launching an unmanned aerial vehicle, which comprises a frame, a cylinder and an air compressor, the cylinder comprises a front cylinder, a rear cylinder, a middle cylinder, a cylinder piston and a piston rod, the cylinder piston is arranged in the middle cylinder, a rear cylinder piston is arranged in the rear cylinder, a quick exhaust port is arranged at one side of the rear cylinder piston, a damping piston is also arranged in the middle cylinder, one end of the piston rod is fixedly connected with the cylinder piston, the air compressor is connected with an air distribution bag through a pipeline, the air distribution bag is communicated with the rear cylinder through a third air duct, the air duct III is provided with a solenoid valve III, the air distribution bag is communicated with the front cylinder through an air duct V, the air duct V is provided with a solenoid valve V, this a wedge atmospheric pressure jettison device for launching unmanned aerial vehicle reasonable in design can provide a mobility is strong, repeatedly usable and only need less place can launch catapult take-off device.

Description

Wedge-shaped air pressure ejection device for launching unmanned aerial vehicle

Technical Field

The utility model relates to an unmanned aerial vehicle firing equipment technical field specifically is a wedge atmospheric pressure jettison device for launching unmanned aerial vehicle.

Background

Unmanned aerial vehicle catapult that takes off is the helping equipment that flies when unmanned aerial vehicle takes off, in reality, because the restriction in environment and place, can not obtain required speed of taking off sometimes in the short distance, thereby make unmanned aerial vehicle can not take off, and unmanned aerial vehicle takes off the catapult and enables the unmanned aerial vehicle that is in the state of taking off, make it obtain required speed of taking off rapidly in the short distance, however, unmanned aerial vehicle on the existing market takes off the catapult and often does not itself have the speed reduction function, receive the impact easily during the use, life is shorter, and the transmission precision is lower, smooth and easy inadequately, for this reason, the utility model provides a wedge atmospheric pressure jettison device for launching unmanned aerial vehicle.

SUMMERY OF THE UTILITY MODEL

The utility model relates to a not enough to prior art exists, the utility model aims at providing a wedge atmospheric pressure jettison device for launching unmanned aerial vehicle to solve the problem that proposes in the above-mentioned background art, the utility model relates to a rationally, can provide a strong, repeatedly usable of mobility and only need the jettison take-off device that launches promptly in less place.

In order to achieve the above purpose, the present invention is realized by the following technical solution: a wedge-shaped air pressure ejection device for launching an unmanned aerial vehicle comprises a rack, an air cylinder and an air compressor, wherein the air cylinder comprises a front cylinder, a rear cylinder, a middle cylinder, an air cylinder piston and a piston rod, the air cylinder piston is arranged in the middle cylinder, the rear cylinder is internally provided with the rear air cylinder piston, one side of the rear air cylinder piston is provided with a quick exhaust port, the middle cylinder is also internally provided with a damping piston, one end of the piston rod is fixedly connected with the air cylinder piston, the air compressor is connected with an air distribution bag through a pipeline, the air distribution bag is communicated with the rear cylinder through an air duct III, the air duct III is provided with an electromagnetic valve III, the air distribution bag is communicated with the front cylinder through an air duct V, the air duct V is provided with an electromagnetic valve V, the air duct V is connected with an air duct IV, the air duct IV is communicated with the, the front cylinder is connected with an air pipe, the air pipe is provided with a solenoid valve six, one side of the rear cylinder is connected with a first air guide pipe and a second air guide pipe, one end of the first air guide pipe is communicated with one end of the second air guide pipe, the first air guide pipe and the second air guide pipe are respectively provided with a first solenoid valve and a second solenoid valve, one end of the air cylinder is provided with a rear support, the air cylinder is arranged on the frame through the rear support, the piston rod is provided with an air cylinder guide wheel, one side of the frame is provided with a steel cable guide wheel, the frame is provided with a front support at the bottom of the steel cable guide wheel, the other side of the frame is provided with a hand-operated return cart, the top of the frame is provided with an upper guide rail, the frame is provided with a bent lower guide rail at the bottom of the upper guide rail, one end, the top of going up the guide rail is provided with the knock pin, the cable wire fender wheel is installed to the bottom of going up the guide rail, go up the top of guide rail and install the coaster, the coaster is installed down to the bottom of crooked lower guideway, all install front wheel and rear wheel on going up the coaster and the lower coaster, the one end of cable wire is walked around cable wire tensioning wheel, rear wheel on the coaster and front wheel, front wheel on the coaster, cable wire leading wheel and cylinder leading wheel respectively and is fixed in the frame, the position department that corresponds with the piston rod of cylinder in the frame installs travel switch, it presss from both sides tight rocking arm to install the upper pulley on the upper pulley, it presss from both sides tight rocking arm round pin to install on the tight rocking arm of upper pulley, the tight rocking arm opening mechanism of clamp is installed.

As a preferred embodiment of the present invention, the number of the wire rope guide wheels is 2.

As a preferred embodiment of the present invention, the angle between the two ends of the upper guide rail and the curved lower guide rail is 16 °.

As a preferred embodiment of the utility model, the cylinder is a high-speed cylinder with adjustable pulling force, and the pulling force is stepless adjustable from 0-18 tons.

As a preferred embodiment of the present invention, the upper rail and the curved lower rail are both wedge-shaped.

The utility model has the advantages that: the utility model discloses a wedge atmospheric pressure jettison device for launching unmanned aerial vehicle, including fore-stock, the cable wire leading wheel, travel switch, the cylinder leading wheel, the cable wire keeps off the wheel, the cylinder, the knock pin, go up the guide rail, crooked lower guideway, lower coaster, go up the coaster, go up coaster locking device, the cable wire straining wheel, hand return, back support, air duct one, solenoid valve two, air duct two, solenoid valve three, the back jar, well jar, air duct three, solenoid valve four, the air duct four, divide the gas pocket, air duct five, solenoid valve five, air compressor, solenoid valve six, the fore-vat, arrange mouthful, damping piston, cylinder piston, back cylinder piston and frame soon.

1. The wedge-shaped air pressure ejection device for launching the unmanned aerial vehicle adopts air pressure energy as launching power, is controlled by an electromagnetic valve, is provided with an air compressor, an upper guide rail and a bent lower guide rail adopt unique wedges, and is a key for accelerating and decelerating the ejection device, after the ejection device is connected to an electric appliance control box, when the ejection device is ejected, an air cylinder piston drives a steel cable to move under the action of pneumatic power, an upper pulley and a lower pulley respectively accelerate and move forwards along the upper guide rail and the bent lower guide rail under the extrusion of the steel cable, when the upper pulley moves to a top pin of a trigger device, the top pin opens a clamping rocker arm to release the unmanned aerial vehicle, the upper pulley continues to move to the front end of the upper guide rail, the distance between the upper pulley and the lower pulley is gradually increased, the steel cable drives the air cylinder piston to compress front cylinder air forwards, and the reaction force of the air cylinder extrud, the resistance that combines the cable wire to keep off the wheel falls to zero with last coaster and lower coaster speed, can effectually cushion, improves the life of equipment itself, and the transmission is smooth and easy.

2. The wedge-shaped air pressure launching device for launching the unmanned aerial vehicle provides a launching device which is high in mobility, can be repeatedly used and can be launched only in a small place for a dozen kilogram-level unmanned aerial vehicle, the cylinder is an adjustable tension high-speed cylinder, and the tension is stepless adjustable from 0 to 18 tons, so that the adaptability of unmanned aerial vehicles of different models and sizes can be effectively improved.

3. In addition, the wedge-shaped air pressure ejection device for launching the unmanned aerial vehicle is very simple to use, can realize one-key launching after being connected to a related control system, and is convenient and fast.

Drawings

Fig. 1 is a schematic structural view of a wedge-shaped pneumatic ejection device for launching an unmanned aerial vehicle according to the present invention;

Fig. 2 is a schematic view of a cylinder structure of a wedge-shaped pneumatic ejection device for launching an unmanned aerial vehicle according to the present invention;

In the figure: 1-front bracket, 2-steel cable, 3-steel cable guide wheel, 4-travel switch, 5-cylinder guide wheel, 6-steel cable catch wheel, 7-cylinder, 8-knock pin, 9-upper guide rail, 10-bending lower guide rail, 11-lower pulley, 12-upper pulley, 13-upper pulley locking device, 14-steel cable tensioning wheel, 15-hand swing carriage, 16-rear support, 17-air duct I, 18-electromagnetic valve I, 19-electromagnetic valve II, 20-air duct II, 21-electromagnetic valve III, 22-rear cylinder, 23-middle cylinder, 24-air duct III, 25-electromagnetic valve IV, 26-air duct IV, 27-air distribution bag, 28-air duct V, 29-electromagnetic valve V, 30-air compressor, 31-six electromagnetic valves, 32-front cylinder, 33-quick discharge port, 34-damping piston, 35-cylinder piston, 36-rear cylinder piston and 37-frame.

Detailed Description

In order to make the technical means, creation features, achievement purposes and functions of the present invention easy to understand, the present invention is further described below with reference to the following embodiments.

Referring to fig. 1 to 2, the present invention provides a technical solution: the utility model provides a wedge atmospheric pressure jettison device for launching unmanned aerial vehicle, includes frame 37, cylinder 7 and air compressor 30, cylinder 7 includes preceding jar 32, back jar 22, well jar 23, cylinder piston 35 and piston rod, cylinder piston 35 sets up in well jar 23, be provided with back cylinder piston 35 in the back jar 22, one side of back cylinder piston 35 is provided with fast row mouth 33, still be provided with damping piston 34 in the well jar 23, the one end and the cylinder piston 35 fixed connection of piston rod, there is the gas distribution package 27 through the pipe connection on the air compressor 30, the gas distribution package 27 communicates with back jar 22 through air duct three 24, install solenoid valve three 21 on air duct three 24, the gas distribution package 27 communicates with preceding jar 32 through air duct five 28, install solenoid valve five 29 on air duct five 28, be connected with air duct four 26 on air duct five 28, the four air guide tubes 26 are communicated with the middle cylinder 23, the four air guide tubes 26 are provided with four electromagnetic valves 25, the front cylinder 32 is connected with an air pipe, the air pipe is provided with six electromagnetic valves 31, one side of the rear cylinder 22 is connected with a first air guide tube 17 and a second air guide tube 20, one end of the first air guide tube 17 is communicated with one end of the second air guide tube 20, the first air guide tube 17 and the second air guide tube 20 are respectively provided with a first electromagnetic valve 18 and a second electromagnetic valve 19, one end of the air cylinder 7 is provided with a rear support 16, the air cylinder 7 is arranged on the rack 37 through the rear support 16, the piston rod is provided with an air cylinder guide wheel 5, one side of the rack 37 is provided with a steel cable guide wheel 3, the rack 37 is provided with a front support 1 at the position at the bottom of the steel cable guide wheel 3, the other side of the rack 37 is, a bent lower guide rail 10 is mounted at a position on the bottom of an upper guide rail 9 on the frame 37, an upper pulley locking device 13 is mounted at one end of the upper guide rail 9, a steel cable tensioning wheel 14 is mounted at the top of the other side of the frame 37, a knock pin 8 is arranged at the top of the upper guide rail 9, a steel cable catch wheel 6 is mounted at the bottom of the upper guide rail 9, an upper pulley 12 is mounted at the top of the upper guide rail 9, a lower pulley 11 is mounted at the bottom of the bent lower guide rail 10, a front wheel and a rear wheel are mounted on the upper pulley 12 and the lower pulley 11, one end of a steel cable 2 respectively bypasses the steel cable tensioning wheel 14, the rear wheel on the upper pulley 12, the rear wheel and the front wheel on the lower pulley 11, the front wheel on the upper pulley 12, the steel cable guide wheel 3 and the cylinder guide wheel 5 and is fixed on the frame 37, a travel switch 4 is mounted at a position, an upper pulley clamping rotating arm is mounted on the upper pulley 12, a clamping rotating arm pin is mounted on the upper pulley clamping rotating arm, and a clamping rotating arm opening mechanism is mounted at the bottom of the upper pulley.

As a preferred embodiment of the present invention, the number of the wire rope guide wheels 3 is 2.

As a preferred embodiment of the present invention, the angle between the two ends of the upper rail 9 and the curved lower rail 10 is 16 °.

As a preferred embodiment of the utility model, the cylinder 7 is a high-speed cylinder with adjustable pulling force, and the pulling force is stepless adjustable from 0 to 18 tons.

As a preferred embodiment of the present invention, the upper rail 9 and the curved lower rail 10 are both wedge-shaped.

The working principle is as follows: when the launching preparation is carried out, the wedge-shaped air pressure launching device for launching the unmanned aerial vehicle is connected to an electric appliance control box, an air compressor 30 is electrified to work, under the operation of the control box, a fourth electromagnetic valve 25, a third electromagnetic valve 21 and a sixth electromagnetic valve 31 are opened, a fifth electromagnetic valve 29, a first electromagnetic valve 18 and a second electromagnetic valve 19 are closed, compressed air enters a middle cylinder 23 and a rear cylinder 22 of an air cylinder 7 through an air guide pipe four 26 and an air guide pipe three 24 respectively through an air distribution bag 27, a rear air cylinder piston 36 moves forwards to block the middle cylinder 23 at the moment, the middle cylinder 23 is sealed, therefore, the air cylinder piston 35 is pushed to the position of one end of the middle cylinder 23 by the compressed air, residual air in a front cylinder 32 is discharged through the sixth electromagnetic valve 31 during the forward movement of the air cylinder piston 35, an upper trolley 12 and a lower trolley 11 are pulled to the rear end from a place where the distance between the upper guide rail 9 and the bent lower guide rail 10 is the minimum through a hand-cranking return trolley 15, the upper trolley 12 is fixed When the cylinder piston 35 moves to the foremost end and touches the travel switch 4, the six electromagnetic valve 31 is closed, the five electromagnetic valve 29 is opened to inflate the front cylinder 32, the air compressor 30 is closed at the moment, the inflation of the front cylinder 32, the middle cylinder 23 and the rear cylinder 22 is suspended, the front support 1 and the rear support 16 are adjusted to enable the device to be in the most favorable launching angle of the unmanned aerial vehicle, the launched unmanned aerial vehicle is installed in a clamping rotating arm of the upper pulley 12 and then is fixed by using a rotating arm pin, after the preparation is finished, the air compressor 30 continues to work, the front cylinder 32, the middle cylinder 23 and the rear cylinder 22 of the air cylinder 7 are inflated, when the pressure displayed by a barometer of the air compressor 30 reaches the launching working pressure of the unmanned aerial vehicle, the air compressor 30 is closed to enter a to-be-launched state, a launching instruction is sent by an electrical control box, the four electromagnetic valve 25 and the five electromagnetic valve 29 are closed, the ventilation of the, the compressed gas in the rear cylinder 22 is exhausted, the rear cylinder piston 36 moves backwards under the action of the gas in the middle cylinder 23, so that the middle cylinder 23 is communicated with the quick exhaust port 33, the gas in the middle cylinder 23 is exhausted instantly, the high-pressure gas in the front cylinder 32 pushes the cylinder piston 35 to the rear part of the cylinder 7 quickly, the piston rod is connected with the cylinder guide wheel 5 to pull back the steel cable 2, the upper pulley 12 and the lower pulley 11 are extruded by the steel cable under the pulling force of the cylinder 7 to accelerate forwards, when the upper pulley 12 and the lower pulley 11 move to the ejector pin 8 fixed on the upper guide rail 9 (namely, the position of the takeoff speed of the unmanned aerial vehicle is reached), the ejector pin 8 triggers the rocker opening mechanism on the upper pulley 12 to pull out the rocker pin, the clamping rocker rotates outwards by 90 degrees to release the unmanned aerial vehicle, the upper pulley 12 and the lower pulley 11 continue to move forwards under the action of inertia force, in order to ensure the stability of the upper pulley 12 and the lower pulley 11 in the, the wire rope 2 must be always in a tensioned state, so that when the cylinder piston 35 moves to a position at one side of the damping piston 34, the upper sheave 12 and the lower sheave 11 just move to a minimum distance between the upper guide rail 9 and the curved lower guide rail 10, and the wire rope 2 is in a tensioned state, at which time the damping piston 34 blocks the rear portion of the middle cylinder 23, the cylinder piston 35 compresses the residual gas in the middle cylinder 23, decelerates under the reaction force of the compressed gas and the damping piston 34, the upper sheave 12 and the lower sheave 11 continue to move forward on the inclined rail at the front end of the upper guide rail 9, the wire rope 2 pulls the cylinder piston 35 back to compress the air in the front cylinder 32 due to the increase in the distance between the upper sheave 12 and the lower sheave 11, the reaction force of the cylinder piston 35 to the wire rope 2 increases the frictional resistance between the upper sheave 12 and the lower sheave 11 and the upper guide rail 9 and the curved lower guide rail 10, and the upper sheave 12 and the lower sheave 11 are decelerated and stopped under, the main power supply of an electric appliance control box is closed, the whole launching process of the unmanned aerial vehicle is finished, the wedge-shaped air pressure ejection device for launching the unmanned aerial vehicle adopts air pressure energy as launching power, the air pressure ejection device is controlled by a plurality of electromagnetic valves together, an air compressor 30 is configured, an upper guide rail 9 and a bent lower guide rail 10 adopt unique wedges, which are the key of acceleration and deceleration of the ejection device, after the wedge-shaped air pressure ejection device is connected to the electric appliance control box, when the wedge-shaped air pressure ejection device is ejected, an air cylinder piston 35 drives a steel cable 2 to move under the action of aerodynamic force, an upper trolley 12 and a lower trolley 11 respectively accelerate and move forwards along the upper guide rail 9 and the bent lower guide rail 10 under the extrusion of the steel cable 2, when the upper trolley 12 moves to a trigger device ejector pin 8, the ejector pin 8 opens a clamping rocker arm to release the unmanned aerial vehicle, the upper trolley 12 continues to move to the front end of the upper guide, the reaction force of the cylinder 7 extrudes the upper pulley 12 and the lower pulley 11 through the steel cable 2 to increase the friction resistance to reduce the speed of the upper pulley 12 and the lower pulley 11, the speed of the upper pulley 12 and the lower pulley 11 is reduced to zero by combining the resistance of the steel cable catch wheel 6, the buffering can be effectively carried out, the service life of the equipment is prolonged, the launching is smooth, the wedge-shaped air pressure launching device for launching the unmanned aerial vehicle provides a launching and launching device which has strong mobility and can be repeatedly used and can be launched only in a small place for dozens of kilograms of unmanned aerial vehicles, the cylinder 7 is a high-speed cylinder with adjustable tension, the tension is steplessly adjustable from 0 to 18, thereby can effectual improvement to unmanned aerial vehicle's of different models and size adaptability, in addition, this a wedge atmospheric pressure jettison device for launching unmanned aerial vehicle uses very simply, is connected to relevant control system after, can realize a key transmission, convenient and fast.

The basic principles and the main features of the invention and the advantages of the invention have been shown and described above, it will be evident to those skilled in the art that the invention is not limited to the details of the foregoing illustrative embodiments, but that the invention may be embodied in other specific forms without departing from the spirit or essential characteristics of the invention. The present embodiments are therefore to be considered in all respects as illustrative and not restrictive, the scope of the invention being indicated by the appended claims rather than by the foregoing description, and all changes which come within the meaning and range of equivalency of the claims are therefore intended to be embraced therein. Any reference sign in a claim should not be construed as limiting the claim concerned.

Furthermore, it should be understood that although the present description refers to embodiments, not every embodiment may contain only a single embodiment, and such description is for clarity only, and those skilled in the art should integrate the description, and the embodiments may be combined as appropriate to form other embodiments understood by those skilled in the art.

Claims

1. the utility model provides a wedge atmospheric pressure jettison device for launching unmanned aerial vehicle, includes frame (37), cylinder (7) and air compressor (30), its characterized in that, cylinder (7) include preceding jar (32), back jar (22), well jar (23), cylinder piston (35) and piston rod, cylinder piston (35) set up in well jar (23), be provided with back cylinder piston (35) in back jar (22), one side of back cylinder piston (35) is provided with fast row mouth (33), still be provided with damping piston (34) in well jar (23), the one end and cylinder piston (35) fixed connection of piston rod, there is gas distribution package (27) through the pipe connection on air compressor (30), gas distribution package (27) are through three (24) of air duct and back jar (22) intercommunication, install solenoid valve three (21) on three (24) of air duct, the air distribution bag (27) is communicated with a front cylinder (32) through a fifth air duct (28), a fifth electromagnetic valve (29) is installed on the fifth air duct (28), a fourth air duct (26) is connected to the fifth air duct (28), the fourth air duct (26) is communicated with a middle cylinder (23), a fourth electromagnetic valve (25) is installed on the fourth air duct (26), an air pipe is connected to the front cylinder (32), a sixth electromagnetic valve (31) is installed on the air pipe, a first air duct (17) and a second air duct (20) are connected to one side of a rear cylinder (22), one end of the first air duct (17) is communicated with one end of the second air duct (20), a first electromagnetic valve (18) and a second electromagnetic valve (19) are installed on the first air duct (17) and the second air duct (20), a rear support (16) is installed at one end of the air cylinder (7), and the air cylinder (7) is installed on a rack (37) through the rear support (16), the hydraulic lifting mechanism is characterized in that a cylinder guide wheel (5) is installed on the piston rod, a steel cable guide wheel (3) is installed on one side of a rack (37), a front support (1) is installed at a position, located at the bottom of the steel cable guide wheel (3), on the rack (37), a hand-operated return car (15) is installed on the other side of the rack (37), an upper guide rail (9) is installed at the top of the rack (37), a bent lower guide rail (10) is installed at a position, located at the bottom of the upper guide rail (9), on the rack (37), an upper pulley locking device (13) is installed at one end of the upper guide rail (9), a steel cable tensioning wheel (14) is installed at the top of the other side of the rack (37), a jacking pin (8) is arranged at the top of the upper guide rail (9), a steel cable blocking wheel (6) is installed at the bottom of the upper, tackle (11) down is installed to the bottom of crooked lower guideway (10), all install front wheel and rear wheel on last tackle (12) and lower tackle (11), the one end of cable wire (2) is walked around cable wire tensioning wheel (14), the rear wheel on last tackle (12), rear wheel and front wheel on lower tackle (11) respectively, is gone up front wheel, cable wire leading wheel (3) and cylinder leading wheel (5) on tackle (12) and is fixed in frame (37), position department that corresponds with the piston rod of cylinder (7) on frame (37) installs travel switch (4), it presss from both sides tight rocking arm to install the last tackle on last tackle (12), it presss from both sides tight rocking arm round pin to install on the tight rocking arm of last tackle, the tight rocking arm opening mechanism of clamp is installed to the bottom of last tackle.

2. The wedge-shaped pneumatic ejection device for launching a drone of claim 1, wherein: the number of the steel cable guide wheels (3) is 2.

3. The wedge-shaped pneumatic ejection device for launching a drone of claim 1, wherein: the angles between the two ends of the upper guide rail (9) and the bent lower guide rail (10) are both 16 degrees.

4. the wedge-shaped pneumatic ejection device for launching a drone of claim 1, wherein: the cylinder (7) is a high-speed cylinder with adjustable tension, and the tension is stepless and adjustable from 0 to 18 tons.

5. The wedge-shaped pneumatic ejection device for launching a drone of claim 1, wherein: the upper guide rail (9) and the lower bent guide rail (10) are both wedge-shaped.