阅读说明：本技术 一种货运无人机货物存储导出结构及货物导出方法 (Cargo storage and export structure and cargo export method for cargo unmanned aerial vehicle ) 是由 魏雅川 龚晶 王海明 刘霁宇 董莉 于 2021-08-16 设计创作，主要内容包括：本发明公开了一种货运无人机货物存储导出结构,包括相互平行的第一传送线、第二传送线和扇形传送线,第一传送线和扇形传送线的一端相连,第二传送线和扇形传送线的另一端相连；第一传送线和第二传送线的上方具有支撑架构,支撑架构上具有若干沿第一传送线和第二传送线布置的竖直料仓；所述竖直料仓包括第一侧提升机构和第二侧提升机构,第一侧提升机构包括第一上部旋转轴和第一下部旋转轴,第一上部旋转轴和第一下部旋转轴相互平行,第一上部旋转轴位于第一下部旋转轴的上方,第一上部旋转轴和第一下部旋转轴均安装在支撑架构上。本发明应用在无人机空投上,可以由无人机在飞行过程中自主完成托盘机舱内的输送,及空投任务。(The invention discloses a cargo storage and export structure of a freight unmanned aerial vehicle, which comprises a first transmission line, a second transmission line and a fan-shaped transmission line which are parallel to each other, wherein the first transmission line is connected with one end of the fan-shaped transmission line, and the second transmission line is connected with the other end of the fan-shaped transmission line; a support framework is arranged above the first conveying line and the second conveying line, and a plurality of vertical bins arranged along the first conveying line and the second conveying line are arranged on the support framework; the vertical storage bin comprises a first side lifting mechanism and a second side lifting mechanism, the first side lifting mechanism comprises a first upper rotating shaft and a first lower rotating shaft, the first upper rotating shaft and the first lower rotating shaft are parallel to each other, the first upper rotating shaft is located above the first lower rotating shaft, and the first upper rotating shaft and the first lower rotating shaft are both installed on the supporting framework. The invention is applied to the air drop of the unmanned aerial vehicle, and the unmanned aerial vehicle can independently complete the conveying in the tray cabin and the air drop task in the flight process.)

1. A cargo storage and export structure of a freight unmanned aerial vehicle is characterized by comprising a first transmission line (4), a second transmission line (1) and a fan-shaped transmission line (18) which are parallel to each other, wherein the first transmission line (4) is connected with one end of the fan-shaped transmission line (18), and the second transmission line (1) is connected with the other end of the fan-shaped transmission line (18); a supporting framework (8) is arranged above the first conveying line (4) and the second conveying line (1), and a plurality of vertical bins (9) arranged along the first conveying line (4) and the second conveying line (1) are arranged on the supporting framework (8); the vertical storage bin (9) comprises a first side lifting mechanism and a second side lifting mechanism, the first side lifting mechanism comprises a first upper rotating shaft and a first lower rotating shaft, the first upper rotating shaft and the first lower rotating shaft are parallel to each other, the first upper rotating shaft is positioned above the first lower rotating shaft, and the first upper rotating shaft and the first lower rotating shaft are both arranged on the supporting framework (8); the first lifting mechanism further comprises a first left side transmission belt (12) and a first right side transmission belt (13), the first left side transmission belt (12) and the first right side transmission belt (13) are arranged on the first upper rotating shaft and the first lower rotating shaft, and a plurality of supporting strips (19) are arranged on the first left side transmission belt (12) and the first right side transmission belt (13); the second side lifting mechanism comprises a second upper rotating shaft (16) and a second lower rotating shaft, the second upper rotating shaft (16) and the second lower rotating shaft are parallel to each other, the second upper rotating shaft (16) is positioned above the second lower rotating shaft, and the second upper rotating shaft (16) and the second lower rotating shaft are both arranged on the supporting framework (8); the second hoisting mechanism further comprises a second left side transmission belt (14) and a second right side transmission belt (17), the second left side transmission belt (14) and the second right side transmission belt (17) are arranged on a second upper portion rotating shaft (16) and a second lower portion rotating shaft, and a plurality of supporting strips (19) are arranged on the second left side transmission belt (14) and the second right side transmission belt (17).

2. A cargo transportation unmanned aerial vehicle cargo storage and export structure according to claim 1, wherein the first side lifting mechanism further comprises a first driving device (10), the first driving device (10) is mounted on the support structure (8), the first upper rotating shaft is provided with a first driving wheel, and an output shaft of the first driving device (10) is in transmission connection with the first driving wheel; the second side lifting mechanism further comprises a second driving device (11), the second driving device (11) is installed on the supporting framework (8), a second driving wheel (15) is arranged on the second upper rotating shaft (16), and an output shaft of the second driving device (11) is in transmission connection with the second driving wheel (15).

3. The cargo storage and export structure of a cargo transport unmanned aerial vehicle according to claim 2, wherein an automatic ejection device is arranged at one end of the first conveying line (4) far away from the fan-shaped conveying line (18), the automatic ejection device comprises a telescopic motor (7), a mounting seat (6) and a push plate (2), the telescopic motor (7) is mounted on the mounting seat (6), a telescopic rod of the telescopic motor (7) faces the push plate (2), the push plate (2) is an iron plate, and an electromagnet is fixed on the telescopic rod of the telescopic motor (7); and a spring (5) is arranged between the mounting seat (6) and the push plate (2), one end of the spring (5) is fixed on the mounting seat (6), and the other end of the spring (5) is fixed on the push plate (2).

4. The cargo storage and export structure of the freight unmanned aerial vehicle according to claim 3, wherein a limiting groove is formed below the push plate (2), a limiting block (3) is arranged in the limiting groove, the limiting block (3) is in transmission connection with a driving motor, and the driving motor drives the limiting block (3) to extend out of or retract into the limiting groove.

5. A cargo transportation unmanned aerial vehicle cargo storage and retrieval structure according to claim 4, wherein the lower part of the vertical silo (9) is provided with a first sensor, the first sensor is installed on the supporting framework (8), and the first sensor is used for detecting whether the lower part of the vertical silo (9) has a pallet (22); the upper part of the vertical silo (9) is provided with a second sensor which is arranged on the supporting framework (8) and is used for detecting whether the upper part of the vertical silo (9) has a pallet (22).

6. A cargo transportation unmanned aerial vehicle cargo storage and export structure according to claim 5, wherein a blocking rod (20) is installed above the first transportation line (4) and the second transportation line (1), the blocking rod (20) is horizontally arranged, and the first transportation line (4) and the second transportation line (1) are parallel to the blocking rod (20); the pallet (22) is provided with brackets (21) on both sides, and the support bar (19) is positioned corresponding to the brackets (21).

7. A cargo transportation unmanned aerial vehicle cargo export method is characterized in that the cargo transportation unmanned aerial vehicle cargo storage export structure of claim 6 is adopted, and the method comprises the following steps: placing a pallet (22) loaded with goods on the second conveyor line (1), the first sensor detecting that the pallet (22) is located in the lower part of the vertical magazine (9) while the second sensor detecting that the pallet (22) is not located in the upper part of the vertical magazine (9) when the pallet (22) passes through the first vertical magazine (9); moving the pallet (22) to a second layer of the vertical silo (9) through a first left-side driving belt (12), a first right-side driving belt (13), a second left-side driving belt (14) and a second right-side driving belt (17) under the action of a first driving device (10) and a second driving device (11) until the top layer of the vertical silo (9) is provided with the pallet (22); the second sensor detects that the top layer of the vertical bin (9) also has a pallet (22), and the first driving device (10) and the second driving device (11) stop rotating and are kept; the pallet (22) is then moved to the next vertical bin (9) and the process is repeated until all vertical bins (9) are filled with pallets (22) and the loading is complete.

8. The method for exporting freight unmanned cargo, according to claim 7, further comprising: before air drop, a first driving device (10) and a second driving device (11) of each vertical bin (9) are operated, the lowest pallet (22) is placed on a conveying line, and each pallet (22) is pushed out of a bin door through an automatic ejection device; a second layer of pallets (22) is then placed on the conveyor line until all pallets are pushed out of the hatch door by the automatic ejector.

9. The method for exporting freight from a drone cargo according to claim 8, further comprising: the automatic ejection device ejects the pallet (22) out of the cabin door by adopting the following method: the telescopic rod of the telescopic motor (7) extends until the electromagnet abuts against the push plate (2), the electromagnet is electrified to adsorb the push plate (2), then the telescopic motor (7) contracts the telescopic rod to enable the spring (5) to store energy, and after the push plate (2) is dragged to a specified position, the driving motor drives the limiting block (3) to extend out of the limiting groove; when the pallet (22) needs to be pushed out of the cabin door, the limiting block (3) moves into the limiting groove, and the push plate (2) pushes the pallet (22) out of the cabin door under the action of the spring (5).

Technical Field

The invention relates to a cargo storage and export structure and a cargo export method of a freight unmanned aerial vehicle, which are applied to a material conveying and air-drop device on a large unmanned aerial vehicle, can automatically finish the conveying and air-drop of a plurality of material trays on the unmanned aerial vehicle, and mainly relate to the aspects of material tray conveying, air-drop and the like.

Background

At present, in some fields similar to logistics, material distribution is carried out. The distribution of materials is generally carried out by adopting the modes of land transportation, air transportation and manual transportation. However, when the above-mentioned distribution method cannot be realized due to the reason that personnel cannot reach the device in a special environment, providing an unmanned aerial delivery device is a technical problem to be solved.

Disclosure of Invention

The invention aims to provide a cargo storage and export structure of a freight transport unmanned aerial vehicle, which is applied to the air drop of the unmanned aerial vehicle and can automatically finish the conveying and air drop tasks in a tray cabin by the unmanned aerial vehicle in the flight process. The problem of because under the environment that personnel can't reach, the goods and materials are carried is solved. The material is convenient to put in under special environment more timely, accurate, convenient, improves the material and carries the rate of accuracy moreover, practices thrift the cost of labor.

In order to solve the technical problems, the invention adopts the following technical scheme:

a cargo storage and export structure of a freight unmanned aerial vehicle comprises a first transmission line, a second transmission line and a fan-shaped transmission line which are parallel to each other, wherein the first transmission line is connected with one end of the fan-shaped transmission line, and the second transmission line is connected with the other end of the fan-shaped transmission line; a support framework is arranged above the first conveying line and the second conveying line, and a plurality of vertical bins arranged along the first conveying line and the second conveying line are arranged on the support framework; the vertical storage bin comprises a first side lifting mechanism and a second side lifting mechanism, the first side lifting mechanism comprises a first upper rotating shaft and a first lower rotating shaft, the first upper rotating shaft and the first lower rotating shaft are parallel to each other, the first upper rotating shaft is positioned above the first lower rotating shaft, and the first upper rotating shaft and the first lower rotating shaft are both arranged on a supporting framework; the first lifting mechanism further comprises a first left side transmission belt and a first right side transmission belt, the first left side transmission belt and the first right side transmission belt are both arranged on the first upper rotating shaft and the first lower rotating shaft, and a plurality of supporting strips are arranged on the first left side transmission belt and the first right side transmission belt; the second side lifting mechanism comprises a second upper rotating shaft and a second lower rotating shaft, the second upper rotating shaft and the second lower rotating shaft are parallel to each other, the second upper rotating shaft is positioned above the second lower rotating shaft, and the second upper rotating shaft and the second lower rotating shaft are both arranged on the supporting framework; the second hoisting mechanism further comprises a second left side transmission belt and a second right side transmission belt, the second left side transmission belt and the second right side transmission belt are both arranged on a second upper portion rotating shaft and a second lower portion rotating shaft, and a plurality of supporting strips are arranged on the second left side transmission belt and the second right side transmission belt. The vertical bin drags the pallet upwards by inserting the pallet on the support bars through the brackets, and then moves the support bars upwards to lift the pallet upwards.

In the cargo storage and export structure of the cargo transport unmanned aerial vehicle, the first side lifting mechanism further comprises a first driving device, the first driving device is mounted on the support framework, a first upper rotating shaft is provided with a first driving wheel, and an output shaft of the first driving device is in transmission connection with the first driving wheel; the second side lifting mechanism further comprises a second driving device, the second driving device is installed on the supporting framework, a second driving wheel is arranged on the second upper rotating shaft, and an output shaft of the second driving device is in transmission connection with the second driving wheel.

In the cargo storage and export structure of the cargo transport unmanned aerial vehicle, an automatic ejection device is arranged at one end, far away from the fan-shaped transmission line, of the first transmission line, and comprises a telescopic motor, a mounting seat and a push plate, wherein the telescopic motor is mounted on the mounting seat, a telescopic rod of the telescopic motor faces the push plate, the push plate is an iron plate, and an electromagnet is fixed on the telescopic rod of the telescopic motor; and a spring is arranged between the mounting seat and the push plate, one end of the spring is fixed on the mounting seat, and the other end of the spring is fixed on the push plate.

In the structure is derived in freight transportation unmanned aerial vehicle goods storage, the below of push pedal has the spacing groove, and the spacing inslot has the stopper, and the stopper is connected with the driving motor transmission, and driving motor drive stopper stretches out or withdraws the spacing groove.

In the cargo storage and export structure of the freight transport unmanned aerial vehicle, a first sensor is arranged at the lower part of the vertical stock bin, the first sensor is mounted on the support framework, and the first sensor is used for detecting whether a pallet is arranged at the lower part of the vertical stock bin; the upper portion of the vertical bin has a second sensor mounted on the support structure for detecting whether a pallet is present on the upper portion of the vertical bin.

In the cargo storage and export structure of the freight transport unmanned aerial vehicle, the blocking rods are arranged above the first conveying line and the second conveying line, the blocking rods are horizontally arranged, and the first conveying line and the second conveying line are parallel to the blocking rods; the pallet is provided with brackets on two sides, and the support bar is positioned corresponding to the brackets.

A cargo transportation unmanned aerial vehicle cargo export method adopts the cargo transportation unmanned aerial vehicle cargo storage export structure, and comprises the following contents: placing the pallet with goods on a second conveying line, wherein when the pallet passes through a first vertical bin, the first sensor detects that the pallet is positioned at the lower part of the vertical bin, and meanwhile, the second sensor detects that no pallet is positioned at the upper part of the vertical bin; moving the pallets to a second layer of the vertical storage bin through the first left driving belt, the first right driving belt, the second left driving belt and the second right driving belt under the action of the first driving device and the second driving device until the top layer of the vertical storage bin is provided with the pallets; the second sensor detects that the top layer of the vertical bin is provided with a pallet, and the first driving device and the second driving device stop rotating and keep; the pallet is then moved to the next vertical bin and the process is repeated until all vertical bins are filled with pallets and the loading is complete.

In the foregoing cargo transportation unmanned aerial vehicle cargo export method, the method further includes the following steps: before air drop, the first driving device and the second driving device of each vertical bin operate, the pallets at the lowest layer are placed on the conveying line, and each pallet is pushed out from the bin door through the automatic ejection device; the second layer of pallets is then placed on the conveyor line until all pallets are pushed out of the hatch door by the automatic ejector.

In the foregoing cargo transportation unmanned aerial vehicle cargo export method, the method further includes the following steps: the automatic ejection device ejects the pallet out of the cabin door by adopting the following method: the telescopic rod of the telescopic motor extends until the electromagnet abuts against the push plate, the electromagnet is electrified to adsorb the push plate, then the telescopic motor contracts the telescopic rod to enable the spring to store energy, and after the push plate is dragged to a specified position, the driving motor drives the limiting block to extend out of the limiting groove; when the pallet needs to be pushed out of the cabin door, the limiting blocks move into the limiting grooves, and the push plate pushes the pallet out of the cabin door under the action of the spring.

Compared with the prior art, the invention is applied to the air drop of the unmanned aerial vehicle, and the unmanned aerial vehicle can independently complete the conveying in the tray cabin and the air drop task in the flight process. The problem of because under the environment that personnel can't reach, the goods and materials are carried is solved. The material is convenient to put in under special environment more timely, accurate, convenient, improves the material and carries the rate of accuracy moreover, practices thrift the cost of labor.

Drawings

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

figure 2 is a schematic diagram of the structure of one embodiment of a pallet.

Reference numerals: 1-a second conveying line, 2-a push plate, 3-a limiting block, 4-a first conveying line, 5-a spring, 6-a mounting seat, 7-a telescopic motor, 8-a support framework, 9-a vertical bin, 10-a first driving line-by-line finger, 11-a second driving device, 12-a first left side driving belt, 13-a first right side driving belt, 14-a second left side driving belt, 15-a second driving wheel, 16-a second upper rotating shaft, 17-a second right side driving belt, 18-a fan-shaped conveying line, 19-a supporting bar, 20-a gear lever, 21-a bracket and 22-a pallet.

The invention is further described with reference to the following figures and detailed description.

Detailed Description

Example 1 of the invention: a cargo storage and export structure of a freight unmanned aerial vehicle comprises a first transmission line 4, a second transmission line 1 and a fan-shaped transmission line 18 which are parallel to each other, wherein the first transmission line 4 is connected with one end of the fan-shaped transmission line 18, and the second transmission line 1 is connected with the other end of the fan-shaped transmission line 18; a supporting framework 8 is arranged above the first conveying line 4 and the second conveying line 1, and a plurality of vertical bins 9 arranged along the first conveying line 4 and the second conveying line 1 are arranged on the supporting framework 8; the vertical bin 9 comprises a first side lifting mechanism and a second side lifting mechanism, the first side lifting mechanism comprises a first upper rotating shaft and a first lower rotating shaft, the first upper rotating shaft and the first lower rotating shaft are parallel to each other, the first upper rotating shaft is positioned above the first lower rotating shaft, and the first upper rotating shaft and the first lower rotating shaft are both arranged on the supporting framework 8; the first lifting mechanism further comprises a first left side transmission belt 12 and a first right side transmission belt 13, the first left side transmission belt 12 and the first right side transmission belt 13 are both arranged on the first upper rotating shaft and the first lower rotating shaft, and a plurality of supporting strips 19 are arranged on the first left side transmission belt 12 and the first right side transmission belt 13; the second side lifting mechanism comprises a second upper rotating shaft 16 and a second lower rotating shaft, the second upper rotating shaft 16 and the second lower rotating shaft are parallel to each other, the second upper rotating shaft 16 is positioned above the second lower rotating shaft, and the second upper rotating shaft 16 and the second lower rotating shaft are both arranged on the supporting framework 8; second hoist mechanism still includes second left side drive belt 14 and second right side drive belt 17, and second left side drive belt 14 and second right side drive belt 17 all set up on second upper portion rotation axis 16 and second lower part rotation axis, all are equipped with a plurality of support strips 19 on second left side drive belt 14 and the second right side drive belt 17.

Example 2: a cargo storage and export structure of a freight unmanned aerial vehicle comprises a first transmission line 4, a second transmission line 1 and a fan-shaped transmission line 18 which are parallel to each other, wherein the first transmission line 4 is connected with one end of the fan-shaped transmission line 18, and the second transmission line 1 is connected with the other end of the fan-shaped transmission line 18; a supporting framework 8 is arranged above the first conveying line 4 and the second conveying line 1, and a plurality of vertical bins 9 arranged along the first conveying line 4 and the second conveying line 1 are arranged on the supporting framework 8; the vertical bin 9 comprises a first side lifting mechanism and a second side lifting mechanism, the first side lifting mechanism comprises a first upper rotating shaft and a first lower rotating shaft, the first upper rotating shaft and the first lower rotating shaft are parallel to each other, the first upper rotating shaft is positioned above the first lower rotating shaft, and the first upper rotating shaft and the first lower rotating shaft are both arranged on the supporting framework 8; the first lifting mechanism further comprises a first left side transmission belt 12 and a first right side transmission belt 13, the first left side transmission belt 12 and the first right side transmission belt 13 are both arranged on the first upper rotating shaft and the first lower rotating shaft, and a plurality of supporting strips 19 are arranged on the first left side transmission belt 12 and the first right side transmission belt 13; the second side lifting mechanism comprises a second upper rotating shaft 16 and a second lower rotating shaft, the second upper rotating shaft 16 and the second lower rotating shaft are parallel to each other, the second upper rotating shaft 16 is positioned above the second lower rotating shaft, and the second upper rotating shaft 16 and the second lower rotating shaft are both arranged on the supporting framework 8; second hoist mechanism still includes second left side drive belt 14 and second right side drive belt 17, and second left side drive belt 14 and second right side drive belt 17 all set up on second upper portion rotation axis 16 and second lower part rotation axis, all are equipped with a plurality of support strips 19 on second left side drive belt 14 and the second right side drive belt 17.

The first side lifting mechanism further comprises a first driving device 10, the first driving device 10 is installed on the supporting framework 8, a first upper rotating shaft is provided with a first transmission wheel, and an output shaft of the first driving device 10 is in transmission connection with the first transmission wheel; the second side lifting mechanism further comprises a second driving device 11, the second driving device 11 is mounted on the supporting framework 8, a second upper rotating shaft 16 is provided with a second transmission wheel 15, and an output shaft of the second driving device 11 is in transmission connection with the second transmission wheel 15. An automatic ejection device is arranged at one end, far away from the fan-shaped transmission line 18, of the first transmission line 4, and comprises a telescopic motor 7, a mounting seat 6 and a push plate 2, the telescopic motor 7 is mounted on the mounting seat 6, a telescopic rod of the telescopic motor 7 faces the push plate 2, the push plate 2 is an iron plate, and an electromagnet is fixed on the telescopic rod of the telescopic motor 7; and a spring 5 is arranged between the mounting seat 6 and the push plate 2, one end of the spring 5 is fixed on the mounting seat 6, and the other end of the spring 5 is fixed on the push plate 2.

Example 3: a cargo storage and export structure of a freight unmanned aerial vehicle comprises a first transmission line 4, a second transmission line 1 and a fan-shaped transmission line 18 which are parallel to each other, wherein the first transmission line 4 is connected with one end of the fan-shaped transmission line 18, and the second transmission line 1 is connected with the other end of the fan-shaped transmission line 18; a supporting framework 8 is arranged above the first conveying line 4 and the second conveying line 1, and a plurality of vertical bins 9 arranged along the first conveying line 4 and the second conveying line 1 are arranged on the supporting framework 8; the vertical bin 9 comprises a first side lifting mechanism and a second side lifting mechanism, the first side lifting mechanism comprises a first upper rotating shaft and a first lower rotating shaft, the first upper rotating shaft and the first lower rotating shaft are parallel to each other, the first upper rotating shaft is positioned above the first lower rotating shaft, and the first upper rotating shaft and the first lower rotating shaft are both arranged on the supporting framework 8; the first lifting mechanism further comprises a first left side transmission belt 12 and a first right side transmission belt 13, the first left side transmission belt 12 and the first right side transmission belt 13 are both arranged on the first upper rotating shaft and the first lower rotating shaft, and a plurality of supporting strips 19 are arranged on the first left side transmission belt 12 and the first right side transmission belt 13; the second side lifting mechanism comprises a second upper rotating shaft 16 and a second lower rotating shaft, the second upper rotating shaft 16 and the second lower rotating shaft are parallel to each other, the second upper rotating shaft 16 is positioned above the second lower rotating shaft, and the second upper rotating shaft 16 and the second lower rotating shaft are both arranged on the supporting framework 8; second hoist mechanism still includes second left side drive belt 14 and second right side drive belt 17, and second left side drive belt 14 and second right side drive belt 17 all set up on second upper portion rotation axis 16 and second lower part rotation axis, all are equipped with a plurality of support strips 19 on second left side drive belt 14 and the second right side drive belt 17.

The first side lifting mechanism further comprises a first driving device 10, the first driving device 10 is installed on the supporting framework 8, a first upper rotating shaft is provided with a first transmission wheel, and an output shaft of the first driving device 10 is in transmission connection with the first transmission wheel; the second side lifting mechanism further comprises a second driving device 11, the second driving device 11 is mounted on the supporting framework 8, a second upper rotating shaft 16 is provided with a second transmission wheel 15, and an output shaft of the second driving device 11 is in transmission connection with the second transmission wheel 15. An automatic ejection device is arranged at one end, far away from the fan-shaped transmission line 18, of the first transmission line 4, and comprises a telescopic motor 7, a mounting seat 6 and a push plate 2, the telescopic motor 7 is mounted on the mounting seat 6, a telescopic rod of the telescopic motor 7 faces the push plate 2, the push plate 2 is an iron plate, and an electromagnet is fixed on the telescopic rod of the telescopic motor 7; and a spring 5 is arranged between the mounting seat 6 and the push plate 2, one end of the spring 5 is fixed on the mounting seat 6, and the other end of the spring 5 is fixed on the push plate 2.

The below of push pedal 2 has the spacing groove, and the spacing inslot has stopper 3, and stopper 3 and driving motor transmission are connected, and driving motor drive stopper 3 stretches out or withdraws the spacing groove. A first sensor is arranged at the lower part of the vertical bin 9 and is arranged on the supporting framework 8, and the first sensor is used for detecting whether a pallet 22 is arranged at the lower part of the vertical bin 9 or not; the upper part of the vertical silo 9 has a second sensor mounted on the support structure 8 for detecting whether there is a pallet 22 on the upper part of the vertical silo 9. A blocking rod 20 is arranged above the first conveying line 4 and the second conveying line 1, the blocking rod 20 is horizontally arranged, and the first conveying line 4 and the second conveying line 1 are parallel to the blocking rod 20; the pallet 22 has brackets 21 on both sides thereof, and the support bar 19 is located at positions corresponding to the brackets 21.

A cargo transportation unmanned aerial vehicle cargo export method, which adopts the cargo transportation unmanned aerial vehicle cargo storage export structure described in embodiment 3, includes the following contents: placing a pallet 22 loaded with goods on the second conveyor line 1, the first sensor detecting that the pallet 22 is located in the lower part of the vertical magazine 9 while the second sensor detecting that the pallet 22 is not located in the upper part of the vertical magazine 9 when the pallet 22 passes through the first vertical magazine 9; moving the pallet 22 to the second level of the vertical silo 9 by means of the first left-hand belt 12, the first right-hand belt 13, the second left-hand belt 14 and the second right-hand belt 17 under the action of the first drive means 10 and the second drive means 11 until the top level of the vertical silo 9 also has the pallet 22; the second sensor detects that the top layer of the vertical silo 9 also has the pallet 22, and the first driving device 10 and the second driving device 11 stop rotating and keep; the pallet 22 is then moved to the next vertical bin 9 and the process is repeated until all vertical bins 9 are filled with pallets 22 and the load is complete.

The method also comprises the following steps: before air-drop, the first driving device 10 and the second driving device 11 of each vertical bin 9 are operated, the lowest pallet 22 is placed on the conveying line, and each pallet 22 is pushed out from the cabin door through the automatic ejection device; the second layer of pallets 22 is then placed on the conveyor line until all pallets are pushed out of the hatch door by the automatic ejector.

The method also comprises the following steps: the automatic ejector ejects the pallet 22 out of the hatch door by the following method: the telescopic rod of the telescopic motor 7 extends until the electromagnet abuts against the push plate 2, the electromagnet is electrified to adsorb the push plate 2, then the telescopic motor 7 contracts the telescopic rod to enable the spring 5 to store energy, and after the push plate 2 is dragged to a specified position, the driving motor drives the limiting block 3 to extend out of the limiting groove; when the pallet 22 needs to be pushed out of the cabin door, the limiting block 3 moves into the limiting groove, and the push plate 2 pushes the pallet 22 out of the cabin door under the action of the spring 5.