CN212401563U

CN212401563U - Throwing device and airplane

Info

Publication number: CN212401563U
Application number: CN202020251834.0U
Authority: CN
Inventors: 高星亮; 孙雪军
Original assignee: Xi'an Jingdong Tianhong Science And Technology Co ltd
Current assignee: Xi'an Jingdong Tianhong Science And Technology Co ltd
Priority date: 2020-03-04
Filing date: 2020-03-04
Publication date: 2021-01-26
Anticipated expiration: 2030-03-04

Abstract

The embodiment of the utility model provides a throwing device and an airplane, which comprises a cargo cabin, a driving component and a supporting component; the bottom of the cargo bin is provided with an opening, the driving assembly is fixedly arranged on the cargo bin and is connected with the supporting assembly, the supporting assembly is fixedly arranged at the bottom of the cargo bin, and an object to be thrown is placed on the supporting assembly; the driving component can control the supporting component to act so as to release the object to be launched. The device has quick putting response and can realize quick putting of the object to be put. When the goods warehouse is fixedly arranged in the cabin of the airplane to transport the object to be thrown, compared with the case that the object to be thrown is mounted under the wing of the airplane, the goods warehouse can transport more objects to be thrown and has no influence on the aerodynamics of the airplane.

Description

Throwing device and airplane

Technical Field

The utility model relates to a transportation technology field, concretely relates to put in device and aircraft.

Background

Currently, flying equipment is widely used in the transportation field, for example, fixed wing drones are used for cargo transportation and release. When transporting and releasing goods, the flying equipment generally transports and releases goods by mounting the goods under the wing.

In the process of implementing the present invention, the inventor finds that there are at least the following problems in the prior art: when the flying equipment adopts the under-wing mounting mode to transport and release goods, the amount of the mounted goods is less, and the aerodynamic influence on the flying equipment is larger.

SUMMERY OF THE UTILITY MODEL

In view of this, the embodiment of the utility model provides a put in device and aircraft to when solving among the prior art flight equipment and adopting under-wing mount mode transportation and put in the goods, the goods volume of its mount is less, and to the great problem of the pneumatic influence of flight equipment.

In order to achieve the above object, an embodiment of the present invention provides a delivery device, which includes a cargo compartment, a driving assembly and a supporting assembly; the bottom of the cargo bin is provided with an opening, the driving assembly is fixedly arranged on the cargo bin and is connected with the supporting assembly, the supporting assembly is fixedly arranged at the bottom of the cargo bin, and an object to be thrown is placed on the supporting assembly; the driving component can control the supporting component to act so as to release the object to be launched.

Optionally, in the above dispensing device, the driving assembly includes an air storage portion and an electromagnetic valve; the electromagnetic valve is connected between the gas storage part and the supporting component, and the electromagnetic valve can control gas in the gas storage part to flow into the supporting component so as to enable the supporting component to act.

Optionally, the launching device further comprises an ejection assembly, the ejection assembly is fixedly arranged at the top of the cargo compartment, and the ejection assembly is connected with the driving assembly; after the supporting component finishes acting, the gas flows into the ejection component, so that the ejection component acts, and the object to be thrown is ejected.

Optionally, the throwing device further comprises a sequence valve, the sequence valve is fixedly arranged on the cargo bin, and the sequence valve is connected between the gas storage part and the ejection assembly and connected with the support assembly; after the supporting component finishes acting, the sequence valve can be controlled to work, so that the gas flows into the ejection component through the sequence valve.

Optionally, in the above dispensing device, the gas storage portion includes an inflation nozzle, a valve and a gas cylinder, the valve is connected between the inflation nozzle and the gas cylinder, and the gas cylinder is connected to the electromagnetic valve.

Optionally, the dispensing device further comprises a filter, and the filter is connected between the valve and the gas cylinder.

Optionally, in the above dispensing device, the support assembly includes an actuating cylinder, an actuating piston rod, and a first spring; the actuating sliding end of the actuating piston rod is arranged in the actuating cylinder body, the actuating extending end of the actuating piston rod is arranged outside the actuating cylinder body, and the object to be thrown is placed on the actuating extending end; two ends of the first spring are respectively connected with the actuating sliding end and one end, far away from the actuating extending end, of the actuating cylinder; the gas flows into the actuating cylinder body, so that the actuating sliding end moves towards the direction away from the object to be launched to compress the first spring, and the actuating extending end retracts to release the object to be launched.

Optionally, in the above dispensing device, the ejection assembly includes an ejection cylinder, an ejection piston rod, and a second spring; the ejection sliding end of the ejection piston rod is arranged in the ejection cylinder, and the ejection extending end of the ejection piston rod is arranged outside the ejection cylinder; two ends of the second spring are respectively connected with the ejection sliding end and one end, close to the ejection extending end, of the ejection barrel; the gas flows into the ejection cylinder, so that the ejection sliding end moves towards the direction close to the object to be thrown to compress the second spring, and the ejection extending end extends out to eject the object to be thrown.

In order to achieve the above object, an embodiment of the present invention provides an aircraft, including the embodiment of the present invention provides a throwing device.

Optionally, the aircraft further includes a cabin, a bottom of the cabin is open, the cargo bin is fixedly disposed in the cabin, and a bottom of the cargo bin is communicated with a bottom of the cabin; the supporting component acts to release the object to be thrown, and after the supporting component acts, the ejection component acts to eject the object to be thrown, so that the throwing of the object to be thrown is completed.

According to the technical scheme of the utility model, an embodiment in the above-mentioned utility model has following advantage or beneficial effect: the supporting component is controlled to move by the driving component to release the object to be thrown, and after the supporting component moves, the driving component can control the ejection component to move to eject the object to be thrown, so that the object to be thrown is thrown. The device has quick putting response and can realize quick putting of the object to be put. When the cargo hold is fixedly arranged in the aircraft cabin to transport the object to be thrown in, compared with the case that the object to be thrown in is mounted under the wings of the aircraft, the cargo hold can transport more objects to be thrown in and has no influence on the aerodynamics of the aircraft.

Further effects of the above-mentioned non-conventional alternatives will be described below in connection with the embodiments.

Drawings

The accompanying drawings are included to provide a better understanding of the present invention and are not intended to constitute an undue limitation on the invention. Wherein:

fig. 1 is a schematic structural diagram of an embodiment of a dispensing device of the present invention;

fig. 2 is a top view of a partial structure in fig. 1 according to an embodiment of the present invention;

fig. 3 is a schematic diagram of an embodiment of a dispensing device of the present invention;

fig. 4 is a schematic structural diagram of an embodiment of a releasing device of the present invention, which is installed on an airplane.

Wherein the figures include the following reference numerals:

1-cargo hold, 10-object to be thrown, 2-drive component, 20-cabin, 21-gas storage part, 22-electromagnetic valve, 3-support component, 31-actuating cylinder, 32-actuating piston rod, 321-actuating sliding end, 322-actuating extending end, 33-first spring, 4-ejecting component, 41-ejecting cylinder, 42-ejecting piston rod, 421-ejecting sliding end, 422-ejecting extending end, 43-second spring, 5-sequence valve, 6-filter, 7-pressure gauge, 8-safety valve and 9-air release valve.

Detailed Description

Exemplary embodiments of the invention are described below with reference to the accompanying drawings, in which various details of embodiments of the invention are included to assist understanding, and which are to be considered exemplary only. Accordingly, those of ordinary skill in the art will recognize that various changes and modifications of the embodiments described herein can be made without departing from the scope and spirit of the invention. Also, descriptions of well-known functions and constructions are omitted in the following description for clarity and conciseness.

As shown in fig. 1 and fig. 2, a throwing device provided by the embodiment of the present invention includes a cargo compartment 1, a driving assembly 2 and a supporting assembly 3; the bottom of the cargo bin 1 is provided with an opening, the driving assembly 2 is fixedly arranged on the cargo bin 1 and is connected with the supporting assembly 3, the supporting assembly 3 is fixedly arranged at the bottom of the cargo bin 1, and the object 10 to be thrown in is placed on the supporting assembly 3; the driving assembly 2 can control the supporting assembly 3 to act so as to release the object 10 to be launched.

In the above embodiment, the cargo hold 1 is used for placing the object to be dropped 10, wherein the supporting component 3 located at the bottom of the cargo hold 1 supports the object to be dropped 10, so that the dropped object 10 can be stably placed in the cargo hold 1. Drive assembly 2 is the power supply of this input device for drive supporting component 3 moves, and drive assembly 2 can make supporting component 3 lose the support of treating input object 10 fast, because the bottom opening of warehouse 1, then treats input object 10 and drops from warehouse 1 under self action of gravity, and then accomplishes the input of treating input object 10. The device can realize the quick release of the release object 10.

The driving assembly 2 drives the supporting assembly 3 to move in various ways, for example, the driving assembly 2 may be hydraulically driven, electromagnetically driven, or pneumatically driven, and the supporting assembly 3 also adopts a corresponding structure to move, so that the object 10 to be dropped falls. In the preferred embodiment of the present invention, the driving assembly 2 is pneumatic, which has a fast response compared to other driving methods, so that the dropped object 10 can drop more quickly, and the supporting assembly 3 is provided with a corresponding actuating cylinder. Then, the driving component 2 is communicated with the supporting component 3 through the air pipe, the driving component 2 stores gas with certain air pressure, the driving component 2 can make the gas in the driving component flow into the supporting component 3 to inflate the supporting component 3, the supporting component 3 is quickly retracted under the action of the air pressure, thereby losing the support of the object 10 to be thrown in,

in order to make the driving assembly 2 control the supporting assembly 3 more accurately, as shown in fig. 3, in an embodiment of the present invention, the driving assembly 2 includes an air storage portion 21 and a solenoid valve 22; the solenoid valve 22 is connected between the gas storage portion 21 and the supporting member 3, and the solenoid valve 22 can control the gas in the gas storage portion 21 to flow into the supporting member 3, so as to operate the supporting member 3.

The gas storage part 21 is used for storing gas with certain pressure, the electromagnetic valve 22 is connected between the gas storage part 21 and the supporting component 3 through a gas pipe, the electromagnetic valve 22 can receive a throwing signal sent by a task management control system, and the task management control system is a control center of the throwing device and can control whether to throw the object 10 to be thrown. When receiving a throwing signal sent by the task management control system, the electromagnetic valve 22 starts to work, so that the gas in the gas storage part 21 flows into the support component 3, and the support component 3 is quickly withdrawn under the action of air pressure.

In order to more quickly complete the throwing of the object 10 to be thrown, as shown in fig. 1 and fig. 2, in an embodiment of the present invention, the present invention further includes a throwing assembly 4, the throwing assembly 4 is fixedly disposed on the top of the cargo compartment 1, and the throwing assembly 4 is connected to the driving assembly 2; after the supporting component 3 is moved, the gas flows into the ejection component 4, so that the ejection component 4 is moved, and the object 10 to be thrown is ejected. In order to be used with the actuator cylinder and reduce the manufacturing cost, in an embodiment of the present invention, the ejection assembly 4 is a cartridge.

Wherein, after the supporting component 3 withdraws and accomplishes, launch the subassembly 4 and just can begin work, can avoid like this because of supporting component 3 does not retrieve completely, and launch the subassembly 4 and have stretched out, treat to put in object 10 and produce decurrent elasticity, and then cause the problem of damage to supporting component 3. At this moment, the driving component 2 can enable gas in the ejection component 4 to flow into the ejection component 4, the ejection component 4 is inflated, the ejection component 4 rapidly extends out under the action of air pressure, and the object 10 to be thrown in is located below the ejection component 4, so that the ejection component 4 rapidly ejects the object 10 to be thrown in, the object 10 to be thrown in is enabled to obtain a large throwing acceleration, and the falling speed of the object 10 to be thrown in is accelerated.

In order to more accurately control the ejection assembly 4 to start working and avoid damage to the support assembly 3, as shown in fig. 3, in an embodiment of the present invention, the present invention further includes a sequence valve 5, the sequence valve 5 is fixedly disposed on the cargo compartment 1, and the sequence valve 5 is connected between the air storage portion 21 and the ejection assembly 4 and is connected with the support assembly 3; after the supporting component 3 finishes acting, the sequence valve 5 can be controlled to work, so that the gas flows into the ejection component 4 through the sequence valve 5.

The sequence valve 5 is connected between the gas storage part 21 and the ejection assembly 4 through a gas pipe, and the sequence valve 5 can communicate the gas storage part 21 with the ejection assembly 4 when working. In addition, a gas outlet is formed in the supporting component 3, the sequence valve 5 is communicated with the gas outlet of the supporting component 3 through a gas pipe, after the supporting component 3 is retracted, gas in the supporting component 3 can enter the sequence valve 5 along the gas pipe through the gas outlet to trigger the sequence valve 5, the sequence valve 5 starts to work after being triggered by the gas, the gas storage part 21 is communicated with the ejection component 4, and the gas in the gas storage part 21 flows into the ejection component 4.

In order to make the gas storage portion 21 store gas with a certain pressure more quickly and stably, as shown in fig. 3, in an embodiment of the present invention, the gas storage portion 21 includes an air charging connector 211, a valve 212 and a gas cylinder 213, the valve 212 is connected between the air charging connector 211 and the gas cylinder 213, and the gas cylinder 213 is connected to the electromagnetic valve 22. Wherein, the charging connector 211 is used for connecting with an air source to charge the air bottle 213. The two sides of the valve 212 are respectively connected with the charging connector 211 and the gas cylinder 213 through gas pipes, and are used for controlling the communication between the gas cylinder 213 and a gas source. The gas cylinder 213 is used to store gas with a certain pressure supplied by a gas source, where the gas cylinder 213 stores a pressure that is sufficient to ensure that the supporting member 3 and the ejection member 4 perform their actions, and the pressure value can be obtained through experiments, and is referred to as a atmospheric pressure.

In order to enable the support assembly 3 to quickly complete the retracting action, as shown in fig. 3, in an embodiment of the present invention, the support assembly 3 includes an actuating cylinder 31, an actuating piston rod 32 and a first spring 33; the actuating sliding end 321 of the actuating piston rod 32 is arranged in the actuating cylinder 31, the actuating extending end 322 of the actuating piston rod 32 is arranged outside the actuating cylinder 31, and the object 10 to be thrown is placed on the actuating extending end 322; two ends of the first spring 33 are respectively fixedly connected with the actuating sliding end 321 and one end of the actuating cylinder 31 far away from the actuating extending end 322; the gas flows into the actuating cylinder 31 to move the actuating sliding end 321 in a direction away from the object 10 to be launched to compress the first spring 33, thereby retracting the actuating protruding end 322 to release the object 10 to be launched.

Wherein, the actuating cylinder 31 is provided with an air inlet, the air inlet is arranged at one side without the first spring 33, the electromagnetic valve 22 is communicated with the air inlet on the actuating cylinder 31 through an air pipe, when the air storage part 21 inflates the side, the side is always in a closed state, so that the side can generate higher air pressure to push the actuating sliding end 321 to move inwards, the actuating extending end 322 is retracted, and when the actuating extending end 322 is retracted and is not contacted with the object 10 to be put in, the actuating piston rod 32 completes the retracting action.

In addition, the actuating cylinder 31 is provided with an air outlet to communicate with the sequence valve 5, and the setting position of the actuating cylinder should ensure that after the actuating piston rod 32 finishes retracting, air in one side of the actuating cylinder 31 without the first spring 33 can enter the sequence valve 5 along the air pipe through the air outlet, so that the actuating piston rod 32 can be ensured to retract quickly, and the problem that the ejecting component 4 extends to generate downward elastic force to the object 10 to be thrown because the actuating extending end 322 does not finish retracting, and further the actuating piston rod 32 is damaged can be avoided.

In order to enable the ejection assembly 4 to rapidly complete the extending action, as shown in fig. 3, in an embodiment of the present invention, the ejection assembly 4 includes an ejection cylinder 41, an ejection piston rod 42 and a second spring 43; the ejection sliding end 421 of the ejection piston rod 42 is arranged in the ejection cylinder 41, and the ejection extending end 422 of the ejection piston rod 42 is arranged outside the ejection cylinder 41; two ends of the second spring 43 are respectively fixedly connected with the ejection sliding end 421 and one end of the ejection cylinder 41 close to the ejection extending end 422; the gas flows into the ejection cylinder 41, so that the ejection sliding end 421 moves toward the object 10 to be launched to compress the second spring 43, thereby extending the ejection protruding end 422 to eject the object 10 to be launched.

Wherein, the ejection cylinder 41 is provided with an air inlet, the air inlet is arranged at one side without the second spring 43, the sequence valve 5 is communicated with the air inlet on the ejection cylinder 41 through an air pipe, when the air storage part 21 inflates the side, the side is always in a closed state, so that the side can generate higher air pressure to push the ejection sliding end 421 to move outwards, and the ejection extending end 422 extends out. When the ejection extending end 422 extends to the limit position, that is, the ejection piston rod 42 cannot extend continuously during the downward extension process, which is limited by the structure of the ejection cylinder 41, the ejection piston rod 42 completes the extension action.

In addition, the ejection cylinder 41 is provided with an air outlet, when the object 10 to be thrown in is thrown in, the air in the device is exhausted, and the air outlet is arranged at a position where the ejection cylinder 41 does not have the second spring 43, so that the air in the side of the ejection cylinder 41 without the second spring 43 can be exhausted through the air outlet after the ejection piston rod 42 is completely extended, and thus the ejection piston rod 42 can be ensured to be rapidly extended. Wherein, in the process of extending the ejection piston rod 42, the second spring 43 is compressed, after the ejection piston rod 42 completes the extending action, the ejection cylinder 41 is communicated with the atmosphere through the air outlet thereof, so that the air in the air storage part 21 is discharged, and along with the continuous reduction of the air pressure in the ejection cylinder 41, the ejection piston rod 42 is reset under the action of the elastic restoring force of the second spring 43. Meanwhile, after the actuation extension end 322 finishes retracting, the first spring 33 is compressed, and since the actuation cylinder 31 is communicated with the air storage part 21, at this time, the air passages of the whole device are communicated and communicated with the atmosphere through the air outlet on the ejection cylinder 41 to exhaust air, and as the air pressure is continuously reduced, the actuation piston rod 32 is reset under the action of the elastic restoring force of the first spring 33. After the reset of the actuating piston rod 32 and the ejecting piston rod 42 is completed, the sequence valve 5 is also automatically reset due to no gas action, and the task management control system sends a reset signal to the electromagnetic valve 22, so that the next throwing work is conveniently executed, wherein before the next throwing work is executed, the gas storage part 21 needs to be inflated again, so that gas with a certain pressure is stored in the gas storage part 21.

In order to facilitate the staff to observe the air pressure in the air cylinder 213, the air cylinder 213 is conveniently inflated, as shown in fig. 3, in an embodiment of the present invention, the present invention further includes a pressure gauge 7, the pressure gauge 7 is disposed on the air cylinder 213, and is used for indicating the air pressure value in the air cylinder 213.

In order to improve the cleanliness of the gas in the gas cylinder 213, as shown in fig. 3, in an embodiment of the present invention, a filter 6 is further included, and the filter 6 is connected between the valve 212 and the gas cylinder 213 through a gas pipe. The filter 6 can filter impurities in the gas supplied by the gas source.

In order to prevent the air pressure in the air storage part 21 from being too high, as shown in fig. 3, in an embodiment of the present invention, a safety valve 8 is further included, and the safety valve 8 is connected between the air bottle 213 and the electromagnetic valve 22 through an air pipe. When the air pressure in the air storage part 21 exceeds a limited pressure, i.e. the air pressure value is greater than a atmospheric pressure, the safety valve 8 can discharge the excessive air.

In order to make the worker safely maintain the throwing device, as shown in fig. 3, in an embodiment of the present invention, the throwing device further includes a release valve 9, and the release valve 9 is connected between the gas cylinder 213 and the electromagnetic valve 22 through a gas pipe. The air release valve 9 can exhaust the gas in the throwing device, so that the worker can safely maintain the throwing device, and accidents are prevented.

The embodiment of the utility model provides an aircraft, include the embodiment of the utility model provides a put in device.

As shown in fig. 4, the embodiment of the present invention provides an aircraft, further including a cabin 20, the bottom of the cabin 20 is open, the cargo compartment 1 is fixedly disposed in the cabin 20, and the bottom of the cargo compartment 1 is communicated with the bottom of the cabin 20; the supporting component 3 acts to release the object 10 to be launched, and after the action of the supporting component 3 is completed, the ejection component 4 acts to eject the object 10 to be launched, so that the launching of the object 10 to be launched is completed. The bottom of the cabin 20 is open, so that the object 10 to be launched placed in the cargo hold 1 falls from the cabin 20, and the aircraft can launch the object 10 to be launched quickly. Thus, the placement of the object 10 to be launched in the cabin 20 not only enables the transport of more launched objects 10 than if the object 10 to be launched were mounted under the wing of the aircraft, but also has no effect on the aerodynamics of the aircraft.

The following description will be given of a using process of the delivering device provided by the embodiment of the present invention, taking the example of the delivering device installed in the cabin of the airplane for transporting and delivering goods.

As shown in fig. 1 to 4, before the delivery device is used, firstly, the cargo hold 1 is fixedly installed in the cabin 20, then the air source is butted with the inflating nozzle 211, the valve 212 is opened to inflate the air cylinder 213 with the air source, the valve 212 is closed after the air cylinder 213 is inflated to a atmospheric pressure by looking at the pressure gauge 7, the inflation of the air cylinder 213 is completed, and then the cargo to be transported is placed in the cargo hold 1 and is located above the actuating piston rod 32, so that the cargo is transported. When the aircraft reaches a target position and needs to throw goods, the task management control system sends a throwing signal to the electromagnetic valve 22, at the moment, the electromagnetic valve 22 starts to work, so that the gas in the gas cylinder 213 flows into the actuating cylinder 31 through the gas inlet on the actuating cylinder 31 along the gas pipe, the actuating piston rod 32 withdraws under the action of air pressure, the support on the goods is lost, and the goods fall under the action of self gravity. After the actuating piston rod 32 finishes retracting, gas in the actuating cylinder 31 enters the sequence valve 5 along the gas pipe through the gas outlet on the actuating cylinder 31, the sequence valve 5 starts to work after being triggered by the gas, the gas cylinder 213 is communicated with the ejection cylinder 41, the gas in the gas cylinder 213 flows into the ejection cylinder 41 along the gas pipe, the ejection piston rod 42 rapidly extends out under the action of the gas pressure, goods are ejected, the goods are enabled to obtain a large throwing acceleration, and therefore the goods are quickly thrown. This device not only puts in the response fast, can realize putting in fast of goods, places the goods in aircraft cabin 20 moreover, compares under the aircraft wing with the goods carry, and it is many that its goods volume of not only transporting is do not have the influence moreover to aircraft pneumatics.

Therefore, the embodiment of the utility model provides an among the input device, through the action that adopts drive assembly 2 to control supporting component 3 to the release is waited to put in object 10, and supporting component 3 moves and accomplishes the back, and drive assembly 2 steerable ejection assembly 4 moves, in order to pop out and wait to put in object 10, thereby accomplishes and waits to put in putting in of object 10. The device has quick release response and can realize quick release of the object to be released 10. When the cargo hold 1 is fixedly arranged in the cabin 20 of the airplane to transport the object 10 to be thrown in, compared with the case that the object 10 to be thrown in is mounted under the wing of the airplane, the cargo hold can transport more objects 10 to be thrown in and has no influence on the aerodynamics of the airplane.

The above detailed description does not limit the scope of the present invention. Those skilled in the art will appreciate that various modifications, combinations, sub-combinations, and substitutions can occur, depending on design requirements and other factors. Any modification, equivalent replacement, and improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.

Claims

1. A throwing device is characterized by comprising a cargo compartment (1), a driving assembly (2) and a supporting assembly (3);

the bottom of the cargo bin (1) is provided with an opening, the driving assembly (2) is fixedly arranged on the cargo bin (1) and is connected with the supporting assembly (3), the supporting assembly (3) is fixedly arranged at the bottom of the cargo bin (1), and an object (10) to be thrown in is placed on the supporting assembly (3);

the driving component (2) can control the supporting component (3) to act so as to release the object (10) to be launched.

2. Delivery device according to claim 1, characterized in that said drive assembly (2) comprises a gas reservoir (21) and a solenoid valve (22);

the electromagnetic valve (22) is connected between the gas storage part (21) and the support component (3), and the electromagnetic valve (22) can control gas in the gas storage part (21) to flow into the support component (3) so as to enable the support component (3) to act.

3. The launch device according to claim 2, characterized in that it further comprises an ejection assembly (4), said ejection assembly (4) being fixedly arranged on top of said cargo hold (1), said ejection assembly (4) being connected to said drive assembly (2);

after the supporting component (3) finishes acting, the gas flows into the ejection component (4) to make the ejection component (4) act, so that the object (10) to be thrown is ejected.

4. A dispensing device according to claim 3, characterized by further comprising a sequence valve (5), wherein the sequence valve (5) is fixedly arranged on the cargo hold (1), and the sequence valve (5) is connected between the air storage portion (21) and the ejection assembly (4) and is connected with the support assembly (3);

after the supporting component (3) finishes acting, the sequence valve (5) can be controlled to work, so that the gas flows into the ejection component (4) through the sequence valve (5).

5. A dispensing device according to claim 2, characterized in that said gas reservoir (21) comprises a gas charging nozzle (211), a valve (212) and a gas cylinder (213), said valve (212) being connected between said gas charging nozzle (211) and said gas cylinder (213), said gas cylinder (213) being connected to said solenoid valve (22).

6. Dosing device according to claim 5, characterized by further comprising a filter (6), said filter (6) being connected between said valve (212) and a gas cylinder (213).

7. A dosing device according to claim 2, characterized in that the support assembly (3) comprises an actuator cylinder (31), an actuator piston rod (32) and a first spring (33);

the actuating sliding end (321) of the actuating piston rod (32) is arranged in the actuating cylinder (31), the actuating extending end (322) of the actuating piston rod (32) is arranged outside the actuating cylinder (31), and the object (10) to be thrown is placed on the actuating extending end (322);

two ends of the first spring (33) are respectively connected with the actuating sliding end (321) and one end, far away from the actuating extending end (322), of the actuating cylinder body (31);

the gas flows into the actuating cylinder (31), so that the actuating sliding end (321) moves towards the direction away from the object to be thrown (10) to compress the first spring (33), and the actuating extending end (322) is retracted to release the object to be thrown (10).

8. A dispensing device according to claim 3, characterized in that the ejector assembly (4) comprises an ejector cylinder (41), an ejector piston rod (42) and a second spring (43);

an ejection sliding end (421) of the ejection piston rod (42) is arranged in the ejection cylinder body (41), and an ejection extending end (422) of the ejection piston rod (42) is arranged outside the ejection cylinder body (41);

two ends of the second spring (43) are respectively connected with the ejection sliding end (421) and one end, close to the ejection extending end (422), of the ejection cylinder body (41);

the gas flows into the ejection cylinder (41), so that the ejection sliding end (421) moves towards the direction close to the object to be thrown (10) to compress the second spring (43), and the ejection extending end (422) extends to eject the object to be thrown (10).

9. An aircraft, characterized in that it comprises a delivery device according to any one of claims 1-8.

10. The aircraft of claim 9, further comprising a cabin (20), wherein the bottom of the cabin (20) is open, the cargo hold (1) is fixedly arranged in the cabin (20), and the bottom of the cargo hold (1) is communicated with the bottom of the cabin (20);

the supporting component (3) acts to release the object (10) to be thrown, and after the supporting component (3) acts, the ejection component (4) acts to eject the object (10) to be thrown, so that the throwing of the object (10) to be thrown is completed.