阅读说明：本技术 一种多旋翼无人机搭载系统的自动投放箱体 (Automatic feeding box body of multi-rotor unmanned aerial vehicle carrying system ) 是由 毛会文 王幼民 熊磊 吴清槐 于 2021-08-30 设计创作，主要内容包括：本发明公开了一种多旋翼无人机搭载系统的自动投放箱体,包括：底部双开门,活动轴连接在所述投放装置的下方,所述投放装置的底部平面上设置有角码；双轴电机,设置在所述投放装置的内部左上方,所述双轴电机的轴下端固定有拉动底部双开门进行转动的丝杆；侧门,通过螺钉固定在所述投放装置的右侧,且投放装置的内部右侧设置有推动装置、缠绕机构和保鲜机构,并且推动装置包括推板和大推杆,而且保鲜机构包括冷凝器和输送管。该多旋翼无人机搭载系统的自动投放箱体,通过大推杆的转动使投放装置内部的物体进行移动,不需要通过增加投放装置的数量实现对多处进行投放,降低资金的使用和无人机的压力。(The invention discloses an automatic throwing box body of a multi-rotor unmanned aerial vehicle carrying system, which comprises: the bottom of the throwing device is provided with a bottom double door, a movable shaft is connected below the throwing device, and the bottom plane of the throwing device is provided with an angle code; the double-shaft motor is arranged at the upper left part inside the throwing device, and a screw rod for pulling the bottom double door to rotate is fixed at the lower end of a shaft of the double-shaft motor; the side door is fixed through the screw put in the right side of device, and the inside right side of putting in the device is provided with thrust unit, winding mechanism and fresh-keeping mechanism to thrust unit includes push pedal and big push rod, and fresh-keeping mechanism includes condenser and conveyer pipe moreover. This box is put in automation of many rotor unmanned aerial vehicle carrying system, the rotation through big push rod makes the inside object of putting in the device remove, need not realize putting in to many places through the quantity that increases the device of putting in, reduces the use of fund and unmanned aerial vehicle's pressure.)

1. The automatic throwing box body of the multi-rotor unmanned aerial vehicle carrying system comprehensively analyzes the vibration and the corresponding characteristics of a throwing device (1) by using a finite element analysis method, and calculates the vibration characteristics of the throwing device (1) so as to accurately reflect the influence of the force with certain frequency generated by the throwing device (1) in the test process on the system and all parts in the system;

it is characterized by comprising:

the bottom of the throwing device (1) is provided with a bottom double door (2), a movable shaft is connected below the throwing device (1), and the bottom plane of the throwing device (1) is provided with an angle code (3);

the double-shaft motor (5) is arranged at the upper left part inside the throwing device (1), and a screw rod (4) for pulling the bottom double-open door (2) to rotate is fixed at the lower end of a shaft of the double-shaft motor (5);

side door (6), it is in through the fix with screw put in the right side of device (1), and the inside right side of putting in device (1) is provided with thrust unit, winding mechanism (14) and fresh-keeping mechanism to thrust unit includes push pedal (10) and big push rod (102), and fresh-keeping mechanism includes condenser (1404) and conveyer pipe (1405) moreover.

2. The automatic box of puting in of many rotor unmanned aerial vehicle embarkation system of claim 1, characterized in that: the upper end of the shaft of the double-shaft motor (5) is fixed with a conical wheel set (7) which enables the chain mechanism (13) to rotate, and the middle of the shaft of the conical wheel set (7) penetrates through and is fixed with a belt pulley (103) which drives the chain mechanism (13) and the small push rod (1401) to rotate.

3. The automatic box of puting in of many rotor unmanned aerial vehicle embarkation system according to claim 2, characterized in that: a connecting rod (101), a large push rod (102), a belt pulley (103) and a fixing rod (104) are arranged in the throwing device (1);

the connecting rods (101) are installed on the left side and the right side of the interior of the throwing device (1), a fixing rod (104) for limiting an object is fixed in the throwing device (1), and a certain distance exists between the rear end of the fixing rod (104) and the inner wall of the throwing device (1);

the belt pulley (103) is arranged on the upper side of the middle inside the throwing device (1), a movable shaft on an internal chain of the belt pulley (103) is connected with a large push rod (102) for pushing a body to move, and the large push rod (102) and the small push rod (1401) have telescopic structures.

4. The automatic box of puting in of many rotor unmanned aerial vehicle embarkation system of claim 1, characterized in that: an outer fan (8) which enables the inner fan (9) to rotate is arranged on the left upper portion of the throwing device (1), and the inner fan (9) which generates wind power is fixed to the lower end of the shaft of the outer fan (8).

5. The automatic box of puting in of many rotor unmanned aerial vehicle embarkation system of claim 1, characterized in that: the right side of the interior of the releasing device (1) is clamped with a push plate (10) for pushing an object to move, and the right side of the interior of the releasing device (1) is provided with a moving groove (11) convenient for the object to move.

6. The automatic box of puting in of many rotor unmanned aerial vehicle embarkation system according to claim 5, characterized in that: the protection casing (12) that protect the part are provided with to the top and the rear side of input device (1), push pedal (10) are the slope structure, and the rope (19) that pulling push pedal (10) removed all have been welded to the below left and right sides of push pedal (10) to the other end welding of rope (19) is epaxial at carousel (1403).

7. The automatic box of puting in of many rotor unmanned aerial vehicle embarkation system according to claim 6, characterized in that: the winding mechanism (14) comprises a small push rod (1401), a limiting rod (1402), a rotary disc (1403), a condenser (1404) and a conveying pipe (1405);

the small push rod (1401) is connected to the right side inside the throwing device (1) through a bearing, a limiting rod (1402) enabling the small push rod (1401) to stretch and retract is arranged on the right side inside the throwing device (1), and a spring (18) enabling the small push rod (1401) to recover is arranged inside the small push rod (1401);

a rotary table (1403) which is arranged on the right side in the feeding device (1), wherein a condenser (1404) for cooling gas is arranged on the right side in the feeding device (1);

a delivery pipe (1405) disposed inside the right side of the dispensing device (1).

8. The automatic box of puting in of many rotor unmanned aerial vehicle embarkation system according to claim 7, characterized in that: a side fan (15) generating suction is arranged inside the right side of the conveying pipe (1405), an all gear (16) enabling the side fan (15) to rotate is fixed at the left end of the shaft of the side fan (15), and the all gear (16) is meshed with the gear row (17).

9. The automatic box of puting in of many rotor unmanned aerial vehicle embarkation system according to claim 7, characterized in that: the inside right side block of input device (1) has drive full gear (16) pivoted tooth row (17), and tooth row (17) and carousel (1403) connect through the transfer line to the migration distance of tooth row (17) is less than conveyer pipe (1405) internal diameter.

10. The automatic box of puting in of many rotor unmanned aerial vehicle embarkation system according to claim 7, characterized in that: the limiting rod (1402) and the connecting rod (101) are both arc-shaped structures, and the thickness of the connecting rod (101) is smaller than that of the large push rod (102).

Technical Field

The invention relates to the technical field of unmanned aerial vehicle transportation, in particular to an automatic throwing box body of a multi-rotor unmanned aerial vehicle carrying system.

Background

With the progress of aerospace technology and computer technology, the rotor unmanned aerial vehicle develops rapidly and is widely applied to aspects such as military striking, monitoring, communication, surveying and mapping, disaster relief and the like. In the civil aspect, the development and application of the rotor unmanned aerial vehicle provide great help and convenience for production activities of human society, and the six-rotor unmanned aerial vehicle can be used for airdrop supplies to areas where ground traffic is inconvenient to reach;

at present, automatic release mechanisms of unmanned aerial vehicles rarely appear on the market, and if the existing release mechanisms used in other fields are installed on the unmanned aerial vehicles, the load of the unmanned aerial vehicles can be increased due to the excessively complex structure and the excessively heavy overall weight of the release mechanisms, so that the load capacity of the unmanned aerial vehicles is seriously affected, and finally, the carrying capacity of the unmanned aerial vehicles is greatly reduced, and more useful materials cannot be released;

a single throwing mechanism can only throw at a certain position, cannot throw at different positions, and can only throw at different positions by increasing the number of the throwing mechanisms, so that the pressure of the unmanned aerial vehicle is increased, and the interior of the unmanned aerial vehicle is driven by a plurality of devices, thereby increasing the consumption of funds;

transport the inside fresh phenomenon that rots easily appears for a long time of giving birth to, can not keep fresh to giving birth to the bright, keep fresh through the ice-cube, the ice-cube melts the fresh-keeping effect after relatively poor, and the placing of ice-cube increases the weight of putting in the case simultaneously.

Based on the above, the automatic throwing mechanism based on the unmanned aerial vehicle is designed, wherein STM32F103RBT6 is used as a main control chip, and the fixed point height of the unmanned aerial vehicle and the lifting speed of a push rod are controlled through digital PID, so that the problems provided in the above are solved.

Disclosure of Invention

The invention aims to provide an automatic release box body of a multi-rotor unmanned aerial vehicle carrying system, and aims to solve the problems that the release mechanism in the prior market is complex, the release mechanism cannot release a plurality of places and the automatic release box body does not have a refrigeration function.

In order to achieve the purpose, the invention provides the following technical scheme: the automatic throwing box body of the multi-rotor unmanned aerial vehicle carrying system comprehensively analyzes the vibration and the corresponding characteristics of a throwing device by using a finite element analysis method, calculates the vibration characteristics and the like of the throwing device, and accurately reflects the influence of the force with certain frequency generated by the throwing device in the test process on the system and each part in the system;

the method comprises the following steps:

the bottom of the throwing device is provided with a bottom double door, a movable shaft is connected below the throwing device, and the bottom plane of the throwing device is provided with an angle code;

the double-shaft motor is arranged at the upper left part inside the throwing device, and a screw rod for pulling the bottom double door to rotate is fixed at the lower end of a shaft of the double-shaft motor;

the side door is fixed through the screw put in the right side of device, and the inside right side of putting in the device is provided with thrust unit, winding mechanism and fresh-keeping mechanism to thrust unit includes push pedal and big push rod, and fresh-keeping mechanism includes condenser and conveyer pipe moreover.

Preferably, the upper end of the shaft of the double-shaft motor is fixed with a conical wheel set which enables the chain mechanism to rotate, and a belt pulley which drives the chain mechanism and the small push rod to rotate penetrates through and is fixed in the middle of the shaft of the conical wheel set, so that the use of the double-shaft motor is reduced, resources are saved, and the use of funds is reduced.

Preferably, a connecting rod, a large push rod, a belt pulley and a fixed rod are arranged in the throwing device;

the connecting rods are arranged on the left side and the right side of the interior of the throwing device, fixed rods for limiting objects are fixed in the throwing device, and a certain distance exists between the rear ends of the fixed rods and the inner wall of the throwing device;

the belt pulley sets up upside in the middle of the inside of input device, the loose axle is connected with the big push rod that pushes away the object and remove on the inside chain of belt pulley, and big push rod and little push rod have flexible structure, move through big push rod and go up the promotion of realization to the object, realize putting in many times.

Preferably, the upper left side of puting in the device is provided with and makes interior fan pivoted outer fan, and the axle lower extreme of outer fan is fixed with the interior fan that produces wind-force, flies through unmanned aerial vehicle and rotates outer fan, and then makes inside inner fan rotate.

Preferably, the inside right side block of input device has the push pedal that promotes the object and remove, and the inside right side of input device sets up the shifting chute that the object of being convenient for removed, promotes the object and removes, avoids the disposable whole input of object.

Preferably, the top and the rear side of puting in the device are provided with the protection casing of protecting the part, the push pedal is the slope structure, and the below left and right sides of push pedal all welds the rope that the pulling push pedal removed to the other end welding of rope is epaxial at the carousel, makes the push pedal downstream through setting up of rope, accelerates the removal speed of object through the slope structure.

Preferably, the winding mechanism comprises a small push rod, a limiting rod, a turntable, a condenser and a conveying pipe;

the bearing is connected to the right side inside the throwing device, a limiting rod enabling the small push rod to stretch is arranged on the right side inside the throwing device, and a spring enabling the small push rod to recover is arranged inside the small push rod;

the rotary table is arranged on the right side in the feeding device, and a condenser for cooling the gas is arranged on the right side in the feeding device;

the conveyer pipe sets up inside the right side of input device, realize keeping fresh the giving birth to the bright fresh-keeping of inside of input device, avoid giving birth to the bright phenomenon that rots to appear.

Preferably, a side fan generating suction is disposed inside the right side of the duct, a full gear for rotating the side fan is fixed to a left end of a shaft of the side fan, the full gear is engaged with the rack, the full gear is rotated by movement of the rack, and the side fan is rotated to generate suction, so that the cool air flows inside the duct.

Preferably, the inside right side block of input device has the tooth row that drives full gear revolve, and tooth row and carousel pass through the transfer line and connect to the migration distance of tooth row is less than the conveying pipe internal diameter, avoids the carousel to appear the phenomenon that can not rotate.

Preferably, the limiting rod and the connecting rod are both arc-shaped structures, and the thickness of the connecting rod is smaller than that of the large push rod, so that the large push rod and the small push rod stretch and retract, and the large push rod and the small push rod are convenient to move.

Compared with the prior art, the invention has the beneficial effects that: this box is put in automation of many rotor unmanned aerial vehicle carrying system is provided with:

1. the unmanned aerial vehicle throwing box body is simple in structure, light in weight, easy to control and high in reliability, and in the test process, the result shows that the natural frequency range of the platform body of the rotor wing test platform is within the range of 23.083-144.48Hz, so that reference is provided for theoretically avoiding damage of the system caused by resonance and the like, basis is provided for the design of the box body of the automatic throwing device, and meanwhile, the gravity of the throwing box body is reduced;

2. the object in the throwing device is moved through the rotation of the large push rod, the throwing of the object is realized through the movement of the large push rod, the object is prevented from being thrown in all at one time, the object is thrown as required, a plurality of places are thrown without increasing the number of the throwing devices, the use of capital and the pressure of the unmanned aerial vehicle are reduced, and the throwing range is increased by throwing at different positions;

3. rotate through little push rod and make the carousel rotate, and then make the rope twine, rope pulling push pedal downstream, push pedal downstream promotes the object, through the setting of condenser and conveyer pipe, cools down the steam of inside, realizes keeping fresh putting in the fresh of giving birth of device inside, increases the shelf life of food, avoids food rotten phenomenon to appear, need not keep fresh through the ice-cube, reduces unmanned aerial vehicle's pressure.

Drawings

FIG. 1 is a schematic view of the main sectional structure of the present invention;

FIG. 2 is a schematic side sectional view of the present invention;

FIG. 3 is a schematic side sectional view of a connecting rod according to the present invention;

FIG. 4 is a schematic top view of the present invention;

FIG. 5 is a schematic view of a main sectional structure of the feeding device of the present invention;

FIG. 6 is an enlarged view of a portion a of FIG. 5 according to the present invention;

FIG. 7 is a schematic side sectional view of a delivery tube according to the present invention;

FIG. 8 is an enlarged view of the structure at b in FIG. 5 according to the present invention;

fig. 9 is a schematic diagram of the release process of the present invention.

In the figure: 1. a delivery device; 101. a connecting rod; 102. a large push rod; 103. a belt pulley; 104. fixing the rod; 2. the bottom is provided with a double door; 3. corner connectors; 4. a screw rod; 5. a double-shaft motor; 6. a side door; 7. a conical wheel set; 8. an external fan; 9. an inner fan; 10. pushing the plate; 11. a moving groove; 12. a protective cover; 13. a chain mechanism; 14. a winding mechanism; 1401. a small push rod; 1402. a limiting rod; 1403. a turntable; 1404. a condenser; 1405. a delivery pipe; 15. a side fan; 16. all-gear; 17. a tooth row; 18. a spring; 19. a rope.

Detailed Description

The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all of the embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.

Referring to fig. 1-9, the present invention provides a technical solution: an automatic throwing box body of a multi-rotor unmanned aerial vehicle carrying system comprehensively analyzes the vibration and the corresponding characteristics of a throwing device 1 by using a finite element analysis method, calculates the vibration characteristics and the like of the throwing device 1, and accurately reflects the influence of the force with certain frequency generated by the throwing device 1 in the test process on the system and all parts in the system;

the method comprises the following steps:

the bottom of the throwing device 1 is provided with a door 2, a movable shaft is connected below the throwing device 1, and the bottom plane of the throwing device 1 is provided with an angle code 3;

the double-shaft motor 5 is arranged at the upper left part inside the throwing device 1, and a screw rod 4 for pulling the bottom double door 2 to rotate is fixed at the lower end of a shaft of the double-shaft motor 5;

the side door 6 is fixed on the right side of the feeding device 1 through screws, a pushing device, a winding mechanism 14 and a fresh-keeping mechanism are arranged on the right side of the interior of the feeding device 1, the pushing device comprises a push plate 10 and a large push rod 102, and the fresh-keeping mechanism comprises a condenser 1404 and a delivery pipe 1405.

A conical wheel set 7 which enables the chain mechanism 13 to rotate is fixed at the upper end of the shaft of the double-shaft motor 5, and a belt pulley 103 which drives the chain mechanism 13 and the small push rod 1401 to rotate is fixedly penetrated in the middle of the shaft of the conical wheel set 7; the inside of the throwing device 1 is provided with a connecting rod 101, a large push rod 102, a belt pulley 103 and a fixed rod 104; the connecting rods 101 are arranged on the left side and the right side of the interior of the throwing device 1, a fixing rod 104 for limiting an object is fixed in the interior of the throwing device 1, and a certain distance exists between the rear end of the fixing rod 104 and the inner wall of the throwing device 1; the belt pulley 103 is arranged at the upper side of the middle inside the throwing device 1, a movable shaft on an internal chain of the belt pulley 103 is connected with a large push rod 102 for pushing an object to move, and the large push rod 102 and the small push rod 1401 have a telescopic structure; an outer fan 8 which enables the inner fan 9 to rotate is arranged at the left upper part of the throwing device 1, and the inner fan 9 which generates wind power is fixed at the lower end of the shaft of the outer fan 8; a push plate 10 for pushing an object to move is clamped at the right side in the throwing device 1, and a moving groove 11 for facilitating the object to move is formed in the right side in the throwing device 1;

the double-shaft motor 5 rotates to drive the belt pulley 103 inside to rotate, the belt pulley 103 rotates to drive the large push rod 102 to move inside the throwing device 1, the large push rod 102 drives the object in the middle inside the throwing device 1 to move towards the left side, when the large push rod 102 moves to be in contact with the connecting rod 101, the thickness of the connecting rod 101 is smaller than that of the large push rod 102, the object inside is convenient to move, due to the fact that the large push rod 102 has the telescopic function, the connecting rod 101 enables the large push rod 102 to be shortened to move inside the throwing device 1, when the large push rod 102 rotates to the vertical position, the self gravity of the large push rod 102 is lengthened, the bottom end of the large push rod 102 is clamped inside the throwing device 1, the phenomenon that the large push rod 102 deflects is avoided, the double-shaft motor 5 rotates to drive the screw rod 4 to rotate, the screw rod 4 rotates to enable the moving block of threaded connection to move, the movable block moves downwards, make two door 2 in bottom rotate through angle sign indicating number 3, and then put in the object of inside, realize throwing in grades through the combined action of big push rod 102 and little push rod 1401, avoid the disposable input of object, be convenient for put in the position of difference, the upper and lower both sides of lead screw 4 all are provided with travel limit switch, the movable block moves to the bottom or when reaching the top, double-shaft motor 5 can automatic stop, double-shaft motor 5 can not burn the machine in idle running, double-shaft motor 5 stop work, put in and finish sending information for inside chip, and then make the inside part of putting in device 1 return the initialization, the internals shut down operation of putting in device 1, protection casing 12 protects toper wheelset 7 and chain mechanism 13, avoid the rainwater to drop and appear rusty phenomenon on the surface, increase the life of toper wheelset 7 and chain mechanism 13, prevent simultaneously that the wind-force that unmanned aerial vehicle operation produced from producing certain to the operation of toper wheelset 7 and chain mechanism 13 The resistance of (1).

Protective covers 12 for protecting parts are arranged above and behind the throwing device 1, the push plate 10 is of an inclined structure, ropes 19 for pulling the push plate 10 to move are welded on the left side and the right side below the push plate 10, and the other ends of the ropes 19 are welded on a shaft of the turntable 1403; the winding mechanism 14 comprises a small push rod 1401, a limiting rod 1402, a rotary disk 1403, a condenser 1404 and a delivery pipe 1405; a small push rod 1401, which is connected with the right side inside the throwing device 1 through a bearing, wherein a limit rod 1402 for enabling the small push rod 1401 to stretch and contract is arranged on the right side inside the throwing device 1, and a spring 18 for enabling the small push rod 1401 to recover is arranged inside the small push rod 1401; a turntable 1403, which is arranged at the right side inside the feeding device 1, and a condenser 1404 for cooling the gas is installed at the right side inside the feeding device 1; a delivery pipe 1405 disposed inside the right side of the dispensing device 1; a side fan 15 generating suction is provided inside the right side of the delivery pipe 1405, and a full gear 16 rotating the side fan 15 is fixed to the left end of the shaft of the side fan 15, and the full gear 16 is meshed with the rack 17; a gear row 17 for driving the full gear 16 to rotate is clamped at the right side in the throwing device 1, the gear row 17 is connected with the turntable 1403 through a transmission rod, and the moving distance of the gear row 17 is smaller than the inner diameter of the conveying pipe 1405; the limiting rod 1402 and the connecting rod 101 are both arc-shaped structures, and the thickness of the connecting rod 101 is smaller than that of the large push rod 102;

with reference to fig. 1 and 5-8, the side door 6 is disassembled from screws inside the side door through a screwdriver, materials are placed on the right side and in the middle of the inside of the throwing device 1, then the side door 6 is installed, the phenomenon that objects fall is avoided, the throwing device 1 is integrally connected to the lower end of an unmanned aerial vehicle, a main control chip of the system adopts an STM32F103RBT6 single chip microcomputer with high cost performance, the single chip microcomputer is a 32-bit ARM microcontroller of ST company, a Cortex-M3 kernel is adopted, the working frequency of 72MHz is adopted, the system has the characteristics of high performance, low power consumption, high running speed and the like, a high-speed SPI and an I2C interface controller are arranged in the chip, the communication with an MPU6050 module, an ultrasonic module and a 24L01 module is facilitated, and a timer module integrated in the chip can output multi-path PWM, and the control of a double-axis motor 5 is facilitated;

when the unmanned aerial vehicle flies, the unmanned aerial vehicle drives the outer fan 8 to rotate, the outer fan 8 drives the inner fan 9 inside to rotate, the inner fan 9 rotates to generate wind force to blow to the inside of the condenser 1404, the condenser 1404 cools the temperature of the gas to reduce the temperature inside the throwing device 1, the transported fresh food is refrigerated to avoid rotting of the fresh food due to overhigh temperature, when the unmanned aerial vehicle flies to a specified position, hardware is initialized through a program inside a chip inside, a starting signal is sent to the double-shaft motor 5, the double-shaft motor 5 works after receiving the signal, the double-shaft motor 5 rotates to drive the conical wheel group 7 above to rotate, the conical wheel group 7 rotates to drive the chain mechanism 13 at the rear side to rotate, the chain mechanism 13 rotates to drive the small push rod 1401 inside the throwing device 1 to rotate, the small push rod 1401 rotates to drive the rotary table 1403 to rotate, the rotary table 1403 rotates to drive the gear row 17 to move up and down through the rotary mechanism at the front side, because the gear row 17 is meshed with the full gear 16, the gear row 17 moves to drive the full gear 16 to rotate, the full gear 16 drives the side fan 15 to rotate, the side fan 15 rotates to generate suction, and further, cold air in the throwing device 1 flows in the throwing device 1 through the conveying pipe 1405, so that fresh air in the throwing device can be completely refrigerated, the temperature of the cooled air is increased, the hot air further reaches the upper part of the condenser 1404 to cool the hot air again, because the limiting rod 1401 is arranged at the upper side and the lower side of the small push rod 1401 in an arc shape, the spring 18 is arranged in the small push rod 1401, when the small push rod 1401 rotates to be in contact with the limiting rod 1402, the limiting rod 1402 shortens the small push rod 1401, the limiting rod 1402 extrudes the spring 18 in the small push rod 1401 to facilitate the rotation of the small push rod 1401, and when the small push rod 1401 rotates to be separated from the limiting rod 1402, the small push rod 1401 is restored to the original state through the elasticity of the spring 18, make rope 19 twine when carousel 1403 rotates, rope 19 twines pulling push pedal 10 downstream, and push pedal 10 downstream promotes the object, and push pedal 10 is the speed that the slope structure accelerated the object and remove, does not need push pedal 10 to remove the bottom of puting in device 1, improves work efficiency, the waste of reduction time.

The working principle of the embodiment is as follows: when the automatic throwing box body of the multi-rotor unmanned aerial vehicle carrying system is used, with reference to the figures 1-9, the object is put in by the rotation of the bottom double door 2, the large push rod 102 is shortened by the arrangement of the arc-shaped connecting rod 101, the large push rod 102 is moved by the rotation of the belt pulley 103, further, the object moves to the left side, the push plate 10 moves downwards by winding the rope 19, further the object inside is pushed, the object inside the throwing device 1 is thrown for a plurality of times, the object is prevented from being thrown once, the throwing is convenient for a plurality of times, the feeding of objects is realized through the rotation of the bottom double door 2, the structure is simple, the space occupation is reduced, the temperature of the hot air inside is reduced through the arrangement of the delivery pipe 1405, protect the fresh food inside, avoid the fresh food to appear rotten phenomenon, protect food to accomplish a series of works.

Although the present invention has been described in detail with reference to the foregoing embodiments, it will be apparent to those skilled in the art that various changes in the embodiments and/or modifications of the invention can be made, and equivalents and modifications of some features of the invention can be made without departing from the spirit and scope of the invention.