CN113581466A - Rapid air-drop method - Google Patents
Rapid air-drop method Download PDFInfo
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- CN113581466A CN113581466A CN202110838400.XA CN202110838400A CN113581466A CN 113581466 A CN113581466 A CN 113581466A CN 202110838400 A CN202110838400 A CN 202110838400A CN 113581466 A CN113581466 A CN 113581466A
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- conveyor
- goods
- feeding pipe
- unmanned aerial
- aerial vehicle
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- 238000000034 method Methods 0.000 title claims abstract description 20
- 230000005484 gravity Effects 0.000 claims abstract description 17
- 238000007599 discharging Methods 0.000 claims description 9
- 238000005520 cutting process Methods 0.000 claims description 4
- 238000002716 delivery method Methods 0.000 claims 6
- RZVHIXYEVGDQDX-UHFFFAOYSA-N 9,10-anthraquinone Chemical compound C1=CC=C2C(=O)C3=CC=CC=C3C(=O)C2=C1 RZVHIXYEVGDQDX-UHFFFAOYSA-N 0.000 description 5
- 239000007858 starting material Substances 0.000 description 2
- 229910000639 Spring steel Inorganic materials 0.000 description 1
- 230000003466 anti-cipated effect Effects 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000000903 blocking effect Effects 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000013013 elastic material Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 238000007665 sagging Methods 0.000 description 1
- 230000001360 synchronised effect Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENT OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D1/00—Dropping, ejecting, releasing, or receiving articles, liquids, or the like, in flight
- B64D1/02—Dropping, ejecting, or releasing articles
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U10/00—Type of UAV
- B64U10/25—Fixed-wing aircraft
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64U—UNMANNED AERIAL VEHICLES [UAV]; EQUIPMENT THEREFOR
- B64U2101/00—UAVs specially adapted for particular uses or applications
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- Engineering & Computer Science (AREA)
- Aviation & Aerospace Engineering (AREA)
- Mechanical Engineering (AREA)
- Remote Sensing (AREA)
- Structure Of Belt Conveyors (AREA)
Abstract
The invention discloses a quick air-drop method, which comprises the steps of dividing a plurality of goods into an upper layer and a lower layer, placing the lower layer of goods on a belt conveyor (15), placing the upper layer of goods in an inclined feeding pipe (9), wherein the discharge end of the feeding pipe (9) corresponds to the feed end of the conveyor (15), and sequentially conveying the lower layer of goods to an ejection device by using the conveyor (15) for continuous air-drop; the gravity center of the unmanned aerial vehicle is adjusted by using the speed of the upper-layer goods entering the conveyor (15); and the lower layer of goods is conveyed after being fixed on a conveyor (15). The invention has the advantage that the gravity center of the unmanned aerial vehicle can not change greatly, and the possibility of the unmanned aerial vehicle out of control can be reduced.
Description
Technical Field
The invention belongs to the field of air drop of large unmanned aerial vehicles, and particularly relates to a rapid air drop method of a large unmanned aerial vehicle.
Background
The large-scale freight unmanned aerial vehicle refers to a fixed wing unmanned aerial vehicle (called an unmanned aerial vehicle for short) with the load capacity of more than 500kg, and an air-drop device is arranged in a cabin of the unmanned aerial vehicle. The air-drop device comprises a roller type conveyor, fences are arranged at the front conveying end and on the two sides of the conveyor, an ejection device is arranged at the rear end of the conveyor, and boxed goods are placed on the conveyor. The existing rapid air-drop method of the unmanned aerial vehicle is that after the unmanned aerial vehicle reaches a designated airspace, a flight control computer of the unmanned aerial vehicle starts a conveyor, a plurality of goods are continuously transmitted through the conveyor, sequentially reach an ejection device and are automatically ejected out in sequence, and rapid air-drop is realized. Because a plurality of goods are synchronous and the syntropy removes on the conveyer, lead to unmanned aerial vehicle's focus can take place great change, probably lead to unmanned aerial vehicle focus to surpass safe focus envelope curve scope, lead to unmanned aerial vehicle out of control. Therefore, the existing rapid air-drop method has the defect that the gravity center of the unmanned aerial vehicle can be greatly changed, and the unmanned aerial vehicle can be out of control.
In addition, the roller on the conveyer on the existing unmanned aerial vehicle is cylindrical, the friction force between the roller and the goods is poor, before the goods are airdropped, all the goods depend on each other and do not move due to the blocking effect of the fence and the ejection device, but after a part of the goods are airdropped, a space capable of being moved back and forth by the left goods is formed on the conveyer, when the unmanned aerial vehicle encounters turbulent airflow, the unmanned aerial vehicle can swing back and forth greatly in the flight direction to drive the goods to swing back and forth greatly in the flight direction, the friction force between the goods and the roller is not enough to overcome the swinging force of the goods, so that the goods can synchronously and irregularly move back and forth on the conveyer, the gravity center of the unmanned aerial vehicle is rapidly changed unpredictably, when the gravity center change speed of the unmanned aerial vehicle is slow and the gravity center change can be anticipated, the gravity center can be adjusted back by changing the flight attitude of the unmanned aerial vehicle, but the center of gravity changes rapidly and is then unpredictable, leading to a significant increase in the risk of loss of control of the drone.
Disclosure of Invention
The invention aims to provide a quick air-drop method. The invention has the advantage that the gravity center of the unmanned aerial vehicle can not change greatly, and the possibility of the unmanned aerial vehicle out of control can be reduced.
The technical scheme of the invention is as follows: the quick air-drop method comprises the steps of dividing a plurality of goods into an upper layer and a lower layer, placing the lower layer of goods on a belt conveyor, placing the upper layer of goods in an inclined feeding pipe, wherein the discharge end of the feeding pipe corresponds to the feed end of the conveyor, and sequentially conveying the lower layer of goods to an ejection device by using the conveyor for continuous air-drop; the gravity center of the unmanned aerial vehicle is adjusted by controlling the speed of the upper-layer cargo entering the conveyor.
In the above-mentioned quick air-drop method, the lower layer cargo is fixed on the conveyor and then conveyed.
In the above-mentioned rapid air-drop method, the air-drop device used in the rapid air-drop method includes a belt conveyor, and an ejection device is arranged at a discharge end of the conveyor;
the cross section of a roller of the conveyor is in an involute gear shape, teeth meshed with the roller are arranged on the inner side surface of a conveyor belt of the conveyor, a plurality of through grooves which are vertical to the feeding direction of the conveyor are arranged on the outer side surface of the conveyor belt, a plurality of inclined rotating plates are arranged in the through grooves, the rotating direction of the rotating plates is parallel to the length direction of the through grooves, and the upper ends of the rotating plates extend out of the through grooves;
a feeding pipe is arranged above the conveyor, one end of the feeding pipe close to the feeding end of the conveyor is lower than the other end of the feeding pipe close to the discharging end of the conveyor, and a discharging hole is formed in the end part of the feeding pipe close to the feeding end of the conveyor; one side of the discharge hole is provided with a driving mechanism.
In the above-mentioned quick air-drop method, a supporting plate fixed to the frame of the conveyor is provided between adjacent rollers, and the supporting plate is attached to the inner side surface of the conveying part of the conveyor belt.
In the above-mentioned fast airdrop method, the number of the rotating plates is even, and the inclination directions of the adjacent rotating plates are opposite.
In the above-mentioned rapid airdrop method, the upper end of the rotating plate is provided with a plurality of inserting strips extending outward, an inserting groove is formed between adjacent inserting strips, and the inserting strips are inserted into the inserting grooves of the adjacent rotating plates.
In the above-mentioned fast air-drop method, the driving mechanism includes a rotating shaft located at one side of the discharge port, the rotating shaft is close to the top plate of the feeding pipe, and a motor connected with the rotating shaft is arranged outside the feeding pipe.
Compared with the prior art, the unmanned aerial vehicle has the advantages that the cargos are divided into the upper layer and the lower layer, the cargos on the upper layer automatically move towards the feeding end of the conveyor along with the movement and the throwing of the cargos on the lower layer towards the discharging end of the conveyor, namely the movement directions of the cargos on the upper layer and the lower layer are opposite, so that the gravity centers of all the cargos are basically kept unchanged, the possibility that the gravity center of the unmanned aerial vehicle exceeds the safe gravity center envelope range is reduced, and the risk that the unmanned aerial vehicle is out of control is reduced. According to the invention, the belt type conveyor is used on the basis of the existing air-drop device, the roller and the conveyor belt of the conveyor are improved, the force of goods acting on the conveyor belt caused by the large swing of the unmanned aerial vehicle is overcome by changing the shape of the roller and arranging the teeth on the inner side of the conveyor belt, so that the conveyor belt cannot slip, the normal conveying of the goods on the conveyor is ensured, the continuous air-drop is ensured, and the accuracy of the air-drop position is ensured. Through set up the commentaries on classics board on the conveyer belt, the front and back side that makes the goods obtains spacingly, avoids the quick back-and-forth movement of goods that unmanned aerial vehicle swings by a wide margin and lead to, guarantees that the focus of unmanned aerial vehicle can not take place the rapid change that is difficult to expect to reduce unmanned aerial vehicle's the risk of out of control. In addition, the structure of the rotating plate is further improved, so that the stress of the conveying belt is balanced, the service life of the conveying belt is long, and the maintenance frequency of the continuous air-drop device is reduced. Therefore, the unmanned aerial vehicle has the advantage that the gravity center of the unmanned aerial vehicle cannot be greatly changed, and the possibility of the unmanned aerial vehicle out of control can be reduced.
Drawings
Fig. 1 is a front view of the conveyor of the present invention.
Fig. 2 is a left side view of the rotating plate.
Fig. 3 is a top view of the rotating plate.
Reference numerals: 1-roller, 2-conveyor belt, 3-tooth, 4-through groove, 5-rotating plate, 6-supporting plate, 7-cutting strip, 8-slot, 9-feeding pipe, 10-discharging port, 11-fixing plate, 12-bracket, 13-rotating shaft, 14-motor and 15-conveyor.
The invention is further described with reference to the following figures and detailed description.
Detailed Description
The embodiment of the invention comprises the following steps: the quick air-drop method comprises the steps of dividing a plurality of goods into an upper layer and a lower layer, placing the lower layer of goods on a belt conveyor 15, placing the upper layer of goods in an inclined feeding pipe 9, enabling a discharging end of the feeding pipe 9 to correspond to a feeding end of the conveyor 15, and sequentially conveying the lower layer of goods to an ejection device by using the conveyor 15 for continuous air-drop; the center of gravity of the unmanned aerial vehicle is adjusted by controlling the speed of the upper-layer cargo entering the conveyor 15.
The lower layer goods are fixed on a conveyor 15 and then conveyed.
The air-drop device used in the rapid air-drop method comprises a belt conveyor 15, wherein an ejection device (the prior art and not shown in the figure) is arranged at the discharge end of the conveyor 15;
as shown in fig. 1, the conveyor is a flying plate, model TF-SSD, and is improved in that the cross section of a roller 1 of the conveyor 15 is involute gear, teeth 3 engaged with the roller 1 are arranged on the inner side surface of a conveyor belt 2 of the conveyor 15, a plurality of through grooves 4 perpendicular to the feeding direction of the conveyor 15 are arranged on the outer side surface of the conveyor belt 2, a plurality of inclined rotating plates 5 are arranged in the through grooves 4, the rotating direction of the rotating plates 5 is parallel to the longitudinal direction of the through grooves 4, and the upper ends of the rotating plates 5 extend out of the through grooves 4;
a feeding pipe 9 is arranged above the conveyor 15, one end of the feeding pipe 9 close to the feeding end of the conveyor 15 is lower than the other end of the feeding pipe 9 close to the discharging end of the conveyor 15, and a discharging hole 10 is formed in the end part of the feeding pipe 9 close to the feeding end of the conveyor 15; one side of the discharge hole 10 is provided with a driving mechanism. The section of the feeding pipe 9 is square, and the feeding pipe 9 is fixed with the two sides of the rack of the conveyor or fixed with the ground of the engine room through a bracket 12.
And a supporting plate 6 fixed with the frame of the conveyor 15 is arranged between the adjacent rollers 1, and the supporting plate 6 is attached to the inner side surface of the conveying part of the conveyor belt 2. The function of the pallet 6 is to prevent the conveyor belt 2 between the two drums 1 from sagging.
The number of the rotating plates 5 is even, and the inclination directions of the adjacent rotating plates 5 are opposite. Two adjacent rotating plates 5 are used as a group, the lower ends of the two rotating plates 5 in the same group are connected through a fixing plate 11, a round angle is arranged between each rotating plate 5 and the fixing plate 11, and the middle of each fixing plate 11 is fixed with the bottom surface of the through groove 4. The two rotating plates 5 and the fixed plate 11 which are positioned in the same group are formed by bending after being punched by the same spring steel sheet.
The upper end of the rotating plate 5 is provided with a plurality of inserting strips 7 extending outwards, a slot 8 is formed between every two adjacent inserting strips 7, and the inserting strips 7 are inserted into the slots 8 of the adjacent rotating plates 5.
The driving mechanism comprises a rotating shaft 13 located on one side of the discharge hole 10, the rotating shaft 13 is close to a top plate of the feeding pipe 9, a motor 14 connected with the rotating shaft 13 is arranged on the outer side of the feeding pipe 9, and the motor 14 is connected with a flight control computer of the unmanned aerial vehicle. The shaft 13 is coated with an elastic material such as rubber. The height of the shaft 13 should be slightly lower than the height of the top surface inside the feeding tube 9.
The working principle is as follows: a plurality of goods are boxed, and the box size and specification are the same. Start the conveyer, and make conveyer reverse operation, put the discharge end of conveyer in proper order with some goods, because conveyer reverse operation, the conveyer drives the goods and removes to the feed end, after the goods is filled up on the conveyer, close the conveyer, put into conveying pipe 9 with all the other goods, flight control computer starter motor 14 through unmanned aerial vehicle, motor 14 drives pivot 13 and rotates, some goods pass pivot 13 and reach the discharge gate 10 of conveying pipe 9, the goods that removes to discharge gate 10 has had the goods to exist because the below, so can not fall out conveying pipe 9.
When the goods was put on the conveyer, the commentaries on classics board 5 that is pressed by the goods was pressed and is hidden logical groove 4, and the commentaries on classics board 5 that is not pressed has constituted spacingly to the goods, prevents the goods back-and-forth movement, and the goods can be fixed on the conveyer.
After the unmanned aerial vehicle arrives at the designated airspace, the conveyor is started by the flight control computer, and the conveyor drives the goods on the conveyor to move to the ejection device and eject out one by one through the ejection device. The goods in the feeding pipe 9 fall onto the conveyor and are continuously transported to the ejection device by the conveyor. The flight control computer passes through built-in procedure starter motor 14, the rotational speed of motor 14 is at the uniform velocity and is reduced, make the goods in conveying pipe 9 enter into the conveyer one by one and speed is more and more slow, embody on the conveyer, promptly for the goods that enter into conveyer 15 from conveying pipe 9, the distance interval presents the grow of arithmetic progression, through the speed that the goods entered into conveyer 15 in the control conveying pipe 9, make unmanned aerial vehicle focus not take place great change, keep in safe focus envelope curve.
The invention has the advantage that the gravity center of the unmanned aerial vehicle can not change greatly, and the possibility of the unmanned aerial vehicle out of control can be reduced.
Claims (7)
1. The quick air-drop method is characterized in that: dividing a plurality of goods into an upper layer and a lower layer, placing the lower layer of goods on a belt conveyor (15), placing the upper layer of goods in an inclined feeding pipe (9), wherein the discharge end of the feeding pipe (9) corresponds to the feed end of the conveyor (15), and sequentially conveying the lower layer of goods to an ejection device by using the conveyor (15) for continuous air drop; the gravity center of the unmanned aerial vehicle is adjusted by controlling the speed of the upper-layer cargo entering the conveyor (15).
2. The rapid aerial delivery method of claim 1, wherein: and the lower layer of goods is conveyed after being fixed on a conveyor (15).
3. The rapid aerial delivery method of claim 1, wherein: the air-drop device used in the rapid air-drop method comprises a belt conveyor (15), wherein an ejection device is arranged at the discharge end of the conveyor (15);
the section of a roller (1) of the conveyor (15) is in an involute gear shape, teeth (3) meshed with the roller (1) are arranged on the inner side face of a conveyor belt (2) of the conveyor (15), a plurality of through grooves (4) which are perpendicular to the feeding direction of the conveyor (15) are arranged on the outer side face of the conveyor belt (2), a plurality of inclined rotating plates (5) are arranged in the through grooves (4), the rotating direction of each rotating plate (5) is parallel to the length direction of the corresponding through groove (4), and the upper ends of the rotating plates (5) extend out of the through grooves (4);
a feeding pipe (9) is arranged above the conveyor (15), one end, close to the feeding end of the conveyor (15), of the feeding pipe (9) is lower than the other end, close to the discharging end of the conveyor (15), of the feeding pipe (9), and a discharging hole (10) is formed in the end, close to the feeding end of the conveyor (15), of the feeding pipe (9); one side of the discharge hole (10) is provided with a driving mechanism.
4. The rapid aerial delivery method of claim 3, wherein: and a supporting plate (6) fixed with a frame of the conveyor (15) is arranged between the adjacent rollers (1), and the supporting plate (6) is attached to the inner side surface of the conveying part of the conveyor belt (2).
5. The rapid aerial delivery method of claim 3, wherein: the number of the rotating plates (5) is even, and the inclination directions of the adjacent rotating plates (5) are opposite.
6. The rapid aerial delivery method of claim 5, wherein: the upper end of commentaries on classics board (5) is equipped with a plurality of cuttings (7) that extend to the outside, forms slot (8) between adjacent cuttings (7), and in adjacent slot (8) of changeing board (5) were inserted in cuttings (7).
7. The rapid aerial delivery method of claim 3, wherein: the driving mechanism comprises a rotating shaft (13) positioned on one side of the discharge hole (10), the rotating shaft (13) is close to a top plate of the feeding pipe (9), and a motor (14) connected with the rotating shaft (13) is arranged on the outer side of the feeding pipe (9).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110838400.XA CN113581466A (en) | 2021-07-23 | 2021-07-23 | Rapid air-drop method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110838400.XA CN113581466A (en) | 2021-07-23 | 2021-07-23 | Rapid air-drop method |
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| CN113581466A true CN113581466A (en) | 2021-11-02 |
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| CN202110838400.XA Pending CN113581466A (en) | 2021-07-23 | 2021-07-23 | Rapid air-drop method |
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Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009196381A (en) * | 2008-02-19 | 2009-09-03 | Topy Ind Ltd | Remote control robot for transportation |
| CN107264801A (en) * | 2017-06-22 | 2017-10-20 | 深圳市雷凌广通技术研发有限公司 | A kind of Intelligent unattended machine for rain making |
| EP3334651A1 (en) * | 2015-08-12 | 2018-06-20 | Laitram, L.L.C. | Material handling solutions for drones |
| CN210853039U (en) * | 2019-10-24 | 2020-06-26 | 龙口市汇源果蔬有限公司 | Apple vanning conveyor of two conveyer belts |
| CN112520342A (en) * | 2020-11-30 | 2021-03-19 | 汤树林 | Double-layer reciprocating type automatic sand conveying and tray recycling system |
| CN212830833U (en) * | 2020-08-11 | 2021-03-30 | 江苏美正电子科技有限公司 | Transmission device for transmitter production |
-
2021
- 2021-07-23 CN CN202110838400.XA patent/CN113581466A/en active Pending
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2009196381A (en) * | 2008-02-19 | 2009-09-03 | Topy Ind Ltd | Remote control robot for transportation |
| EP3334651A1 (en) * | 2015-08-12 | 2018-06-20 | Laitram, L.L.C. | Material handling solutions for drones |
| CN107264801A (en) * | 2017-06-22 | 2017-10-20 | 深圳市雷凌广通技术研发有限公司 | A kind of Intelligent unattended machine for rain making |
| CN210853039U (en) * | 2019-10-24 | 2020-06-26 | 龙口市汇源果蔬有限公司 | Apple vanning conveyor of two conveyer belts |
| CN212830833U (en) * | 2020-08-11 | 2021-03-30 | 江苏美正电子科技有限公司 | Transmission device for transmitter production |
| CN112520342A (en) * | 2020-11-30 | 2021-03-19 | 汤树林 | Double-layer reciprocating type automatic sand conveying and tray recycling system |
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