CN113581467A - Low-interference type freight unmanned aerial vehicle opposite-opening air-drop cabin door opening method - Google Patents
Low-interference type freight unmanned aerial vehicle opposite-opening air-drop cabin door opening method Download PDFInfo
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- CN113581467A CN113581467A CN202110841057.4A CN202110841057A CN113581467A CN 113581467 A CN113581467 A CN 113581467A CN 202110841057 A CN202110841057 A CN 202110841057A CN 113581467 A CN113581467 A CN 113581467A
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- cabin door
- opening
- sealing
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- aerial vehicle
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- 238000000034 method Methods 0.000 title claims abstract description 27
- 238000007789 sealing Methods 0.000 claims abstract description 62
- 238000004804 winding Methods 0.000 claims description 12
- 230000008602 contraction Effects 0.000 claims description 3
- 238000005516 engineering process Methods 0.000 description 2
- 238000010276 construction Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 239000002689 soil Substances 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
- B64C—AEROPLANES; HELICOPTERS
- B64C1/00—Fuselages; Constructional features common to fuselages, wings, stabilising surfaces or the like
- B64C1/14—Windows; Doors; Hatch covers or access panels; Surrounding frame structures; Canopies; Windscreens accessories therefor, e.g. pressure sensors, water deflectors, hinges, seals, handles, latches, windscreen wipers
- B64C1/1407—Doors; surrounding frames
- B64C1/1415—Cargo doors, e.g. incorporating ramps
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- 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)
- Power-Operated Mechanisms For Wings (AREA)
Abstract
The invention discloses a method for opening a folio air-drop cabin door of a low-interference type freight transport unmanned aerial vehicle, which comprises a folio air-drop cabin door device; the primary cabin door and the secondary cabin door are oppositely arranged on the air-drop cabin door; two sides of the hatch opening are provided with moving grooves; a hydraulic unit with a plurality of hydraulic telescopic rods is arranged in the moving groove; the hydraulic telescopic rod is fixedly connected with the main cabin door; the upper end and the lower end of the main cabin door are provided with sealing guide rails. According to the invention, the split main cabin door is arranged, the hydraulic unit is communicated with the hydraulic telescopic rod to realize the split of the main cabin door, and the traditional mode of rotating around the shaft and opening outwards is replaced by the split mode of the cabin door, so that the air flow disturbance received in the opening process and after the opening process is far lower than that of the traditional mode, the influence of the air flow disturbance on the flying posture of the unmanned aerial vehicle is reduced, and the influence on the flying safety of the unmanned aerial vehicle is finally reduced. The invention has the advantage of effectively reducing the disturbance of the airflow to the cabin door, thereby reducing the influence on the flight safety of the unmanned aerial vehicle.
Description
Technical Field
The invention relates to a method for opening a folio air-drop cabin door of a low-interference type freight transport unmanned aerial vehicle, in particular to a method for opening the folio air-drop cabin door of the low-interference type freight transport unmanned aerial vehicle.
Background
With the development of science and technology, large-scale freight unmanned aerial vehicles also come along with the development of science and technology, can be transported in western and high-altitude areas with undeveloped land transportation and mountains, and can also efficiently finish point-to-point freight branch transportation; the device can also be used for taking off and landing on an unpaved simple runway, even a soil slope and a grassland, and solves the problem that the high altitude, mountain areas and the like are difficult to reach. Large-scale freight transportation unmanned aerial vehicle all is the lower part opening for convenient air-drop, and lower part open-ended hatch door generally all realizes the hatch door to open outward through the axis of rotation mode that carries out pivoting, nevertheless because the hatch door opens the back and in the rotatory process of opening, the air current must produce a large amount of disturbances to the hatch door to produce the influence to unmanned aerial vehicle flight gesture, still can harm unmanned aerial vehicle's flight safety when serious.
Therefore, the existing freight transport unmanned aerial vehicle has the problem that the bottom rotating outward-opening cabin door is easily affected by air flow disturbance and harms the flight safety of the unmanned aerial vehicle.
Disclosure of Invention
The invention aims to provide a method for opening an air drop cabin door by a low-interference type freight transport unmanned aerial vehicle. The invention has the advantage of effectively reducing the disturbance of the airflow to the cabin door, thereby reducing the influence on the flight safety of the unmanned aerial vehicle.
The technical scheme of the invention is as follows: a method for opening a folio air-drop cabin door of a low-interference type freight transport unmanned aerial vehicle comprises the steps of folio air-drop cabin door device; the split air-drop cabin door device comprises two split main cabin doors arranged inside a cabin door opening and two split secondary cabin doors arranged outside the cabin door opening; the left side and the right side of the hatch opening are provided with moving grooves correspondingly matched with the main hatch; the inner end of the moving groove is provided with a hydraulic unit, and one side of the hydraulic unit, which is close to the main cabin door, is uniformly provided with a plurality of hydraulic telescopic rods;
a plurality of telescopic grooves corresponding to the hydraulic telescopic rods are uniformly formed in one side, close to the hydraulic unit, of the main cabin door, and one end, far away from the hydraulic unit, of each hydraulic telescopic rod is fixedly connected with the main cabin door through the corresponding telescopic groove; the upper end and the lower end of the main cabin door are respectively provided with a sealing guide rail positioned in the middle of the cabin door opening;
the sealing guide rail is in a shape of Chinese character 'shan', and the middle part and two ends of the sealing guide rail are provided with convex parts; the upper end part and the lower end part of the main cabin door are horizontally provided with guide grooves corresponding to the middle bulges of the sealing guide rails; and pulleys are arranged between the guide grooves and the corresponding convex parts.
In the method for opening the opposite-opening air-drop cabin door of the low-interference type freight transport unmanned aerial vehicle, a translation assembly which is connected with the secondary cabin door and controls the secondary cabin door to horizontally slide is arranged on one side of the moving groove, which is close to the secondary cabin door; the outer ends of the secondary cabin doors are in a streamline shape.
In the method for opening the opposite-opening air-drop cabin door of the low-interference type freight transport unmanned aerial vehicle, a lifting sealing assembly which is positioned at the top of the cabin door opening and used for sealing is arranged between the secondary cabin door and the main cabin door; the lifting sealing assembly comprises a winding unit arranged at the top of the hatch opening and a flexible sealing plate arranged in the winding unit in a winding mode.
In the method for opening the opposite-opening air-drop cabin door of the low-interference freight unmanned aerial vehicle, the sealing layers corresponding to the main cabin door are arranged on the front side and the rear side of the moving groove; the sealing guide rail is characterized in that grooves are formed in the side, close to the main cabin door, of the protruding portions at the two ends of the sealing guide rail, and sealing strips are arranged in the grooves.
In the method for opening the opposite-opening air-drop cabin door of the low-interference freight transport unmanned aerial vehicle, the inner end of one main cabin door is provided with a group of sealing grooves which are distributed up and down in parallel, and the inner end of the other main cabin door is provided with a sealing bump matched with the sealing grooves; and a sealing strip corresponding to the sealing lug is arranged in each sealing groove.
In the method for opening the opposite-opening air-drop cabin door of the low-interference type freight transport unmanned aerial vehicle, the method comprises the following steps:
A. the winding unit winds the flexible sealing plate;
B. opening the secondary cabin door by translating the translation assembly to two ends;
C. the hydraulic unit drives the main cabin door to open towards the two ends of the cabin door opening through the contraction of the hydraulic telescopic rod.
Compared with the prior art, the split type main cabin door is arranged, the hydraulic unit is communicated with the hydraulic telescopic rod to realize the split of the main cabin door, and the traditional mode of rotating around the shaft and opening outwards is replaced by the split mode of the cabin door, so that the air flow disturbance received in the opening process and after the opening process is far lower than that of the traditional mode, the influence of the air flow disturbance on the flying posture of the unmanned aerial vehicle is reduced, and the influence on the flying safety of the unmanned aerial vehicle is finally reduced.
Therefore, the unmanned aerial vehicle cabin door control method has the advantages that disturbance of airflow on the cabin door can be effectively reduced, and accordingly the influence on the flight safety of the unmanned aerial vehicle is reduced.
Furthermore, the split secondary cabin door driven by the translation assembly is arranged outside the cabin door opening, the overall safety and air tightness are improved through the double combination of the secondary cabin door and the main cabin door, and the secondary cabin door is arranged in a streamline type, so that the disturbance of air flow can be reduced to a certain extent, and the safety is further improved.
Drawings
FIG. 1 is a schematic diagram of a main view of the present invention when closed;
FIG. 2 is a schematic structural view of the (incomplete) main viewing angle of the present invention when opened;
FIG. 3 is a schematic view of the construction of the main door of the present invention;
figure 4 is a side view of (part of) the main door of the invention.
Reference numerals: 1-cabin door opening, 2-main cabin door, 3-sealing guide rail, 4-lifting sealing component, 5-hydraulic unit, 6-hydraulic telescopic rod, 7-secondary cabin door, 8-translation component, 9-sealing layer, 10-sealing groove, 11-sealing lug, 12-telescopic groove, 13-guide groove, 14-bulge and 15-slotting.
The invention is further described with reference to the following figures and detailed description.
Detailed Description
Example 1 of the invention: a method for opening a folio air-drop cabin door of a low-interference freight unmanned aerial vehicle comprises the steps of horizontally arranging a folio air-drop cabin door device at the bottom of the unmanned aerial vehicle as shown in figures 1-4; the split airdrop cabin door device comprises two split main cabin doors 2 arranged inside a cabin door opening 1 and two split secondary cabin doors 7 arranged outside the cabin door opening 1; the left side and the right side of the hatch opening 1 are provided with moving grooves which are matched with the main hatch 2 correspondingly and can accommodate the main hatch 2; the inner end of the moving groove is provided with a hydraulic unit 5, and one side of the hydraulic unit 5 close to the main cabin door 2 is uniformly provided with a plurality of hydraulic telescopic rods 6; the hydraulic unit 5 can drive the hydraulic telescopic rod 6 to extend and retract;
one side of the main cabin door 2 close to the hydraulic unit 5 is provided with telescopic grooves 12 which correspond to the hydraulic telescopic rods 6 and are consistent in size and quantity, and one end of each hydraulic telescopic rod 6, far away from the hydraulic unit 5, is fixedly connected with the inside of the main cabin door 2 through the corresponding telescopic groove 12; the upper end and the lower end of the main cabin door 2 are provided with a sealing guide rail 3 positioned in the middle of the cabin door opening 1;
the sealing guide rail 3 is in a shape of Chinese character shan, and a bulge part 14 is arranged at the middle part and two ends of the sealing guide rail; the upper end and the lower end of the main cabin door 2 are horizontally provided with guide grooves 13 corresponding to a middle bulge 14 of the sealing guide rail 3; pulleys are arranged between the guide grooves 13 and the corresponding convex parts 14.
A translation assembly 8 which is connected with the secondary cabin door 7 and controls the secondary cabin door 7 to horizontally slide is arranged on one side of the moving groove close to the secondary cabin door 7; the outer ends of the secondary cabin doors 7 are in streamline shapes.
A lifting sealing assembly 4 which is positioned at the top of the cabin door opening 1 and used for sealing is arranged between the secondary cabin door 7 and the main cabin door 2; the lifting sealing assembly 4 comprises a winding unit arranged at the top of the cabin door opening 1 and a flexible sealing plate arranged in the winding unit in a winding mode.
Sealing layers 9 corresponding to the main cabin door 2 are arranged on the front side and the rear side of the moving groove; the sealing guide rail 3 is characterized in that the side, close to the main cabin door 2, of the convex parts 14 at the two ends is provided with a slot 15, and a sealing strip is arranged in the slot 15.
The inner end of one main cabin door 2 is provided with a group of sealing grooves 10 which are distributed up and down in parallel, and the inner end of the other main cabin door 2 is provided with a sealing lug 11 which is matched with the sealing grooves 10; and a sealing strip corresponding to the sealing lug 11 is arranged in each sealing groove 10.
The method comprises the following steps:
A. the winding unit winds the flexible sealing plate;
B. the secondary hatch 7 is opened by translating the translation component 8 to two ends;
C. the hydraulic unit 5 drives the main cabin door 2 to open towards the two ends of the cabin door opening 1 through the contraction of the hydraulic telescopic rod 6.
Claims (6)
1. Low interference type freight transportation unmanned aerial vehicle is to opening air-drop hatch door opening method, its characterized in that: comprises a split air-drop cabin door device; the split airdrop cabin door device comprises two split main cabin doors (2) arranged inside a cabin door opening (1) and two split secondary cabin doors (7) arranged outside the cabin door opening (1); the left side and the right side of the cabin door opening (1) are provided with moving grooves correspondingly matched with the main cabin door (2); the inner end of the moving groove is provided with a hydraulic unit (5), and one side of the hydraulic unit (5) close to the main cabin door (2) is uniformly provided with a plurality of hydraulic telescopic rods (6);
a plurality of telescopic grooves (12) corresponding to the hydraulic telescopic rods (6) are uniformly formed in one side, close to the hydraulic unit (5), of the main cabin door (2), and one end, far away from the hydraulic unit (5), of each hydraulic telescopic rod (6) is fixedly connected with the main cabin door (2) through the corresponding telescopic groove (12); the upper end and the lower end of the main cabin door (2) are respectively provided with a sealing guide rail (3) positioned in the middle of the cabin door opening (1);
the sealing guide rail (3) is in a shape of Chinese character 'shan', and the middle part and two ends of the sealing guide rail are provided with convex parts (14); the upper end and the lower end of the main cabin door (2) are horizontally provided with guide grooves (13) corresponding to a middle bulge (14) of the sealing guide rail (3); pulleys are arranged between the guide grooves (13) and the corresponding convex parts (14).
2. The method for opening the opposite-opening air-drop cabin door of the low-interference type freight unmanned aerial vehicle according to claim 1, characterized in that: one side of the moving groove close to the secondary cabin door (7) is provided with a translation assembly (8) which is connected with the secondary cabin door (7) and controls the secondary cabin door (7) to horizontally slide; the outer ends of the secondary cabin doors (7) are in a streamline shape.
3. The method for opening the opposite-opening air-drop cabin door of the low-interference type freight unmanned aerial vehicle according to claim 1, characterized in that: a lifting sealing assembly (4) which is positioned at the top of the cabin door opening (1) and used for sealing is arranged between the secondary cabin door (7) and the main cabin door (2); the lifting sealing assembly (4) comprises a winding unit arranged at the top of the cabin door opening (1) and a flexible sealing plate arranged in the winding unit in a winding mode.
4. The method for opening the opposite-opening air-drop cabin door of the low-interference type freight unmanned aerial vehicle according to claim 1, characterized in that: sealing layers (9) corresponding to the main cabin door (2) are arranged on the front side and the rear side of the moving groove; the sealing guide rail is characterized in that one side, close to the main cabin door (2), of the protruding portions (14) at the two ends of the sealing guide rail (3) is provided with a groove (15), and a sealing strip is arranged in the groove (15).
5. The method for opening the opposite-opening air-drop cabin door of the low-interference type freight unmanned aerial vehicle according to claim 1, characterized in that: the inner end of one main cabin door (2) is provided with a group of sealing grooves (10) which are distributed up and down in parallel, and the inner end of the other main cabin door (2) is provided with a sealing lug (11) matched with the sealing grooves (10); and sealing strips corresponding to the sealing lugs (11) are arranged in each sealing groove (10).
6. The method for opening an air-drop door of a low-interference type freight unmanned aerial vehicle according to any one of claims 1 to 5, characterized by comprising the following steps:
A. the winding unit winds the flexible sealing plate;
B. the secondary hatch (7) is opened by translating the translation assembly (8) to the two ends;
C. the hydraulic unit (5) drives the main cabin door (2) to open towards the two ends of the cabin door opening (1) through the contraction of the hydraulic telescopic rod (6).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110841057.4A CN113581467A (en) | 2021-07-23 | 2021-07-23 | Low-interference type freight unmanned aerial vehicle opposite-opening air-drop cabin door opening method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110841057.4A CN113581467A (en) | 2021-07-23 | 2021-07-23 | Low-interference type freight unmanned aerial vehicle opposite-opening air-drop cabin door opening method |
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| Publication Number | Publication Date |
|---|---|
| CN113581467A true CN113581467A (en) | 2021-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110841057.4A Pending CN113581467A (en) | 2021-07-23 | 2021-07-23 | Low-interference type freight unmanned aerial vehicle opposite-opening air-drop cabin door opening method |
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Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203462935U (en) * | 2013-08-05 | 2014-03-05 | 万新军 | Locking and opening device of sealed cabin door of glove box |
| CN108974321A (en) * | 2018-08-30 | 2018-12-11 | 长光卫星技术有限公司 | A kind of pull-type hatch door of plug |
| CN110053538A (en) * | 2019-02-22 | 2019-07-26 | 深空灵动科技(大连)有限公司 | Vehicle-mounted cargo reception device and method of reseptance |
| CN209637503U (en) * | 2018-12-14 | 2019-11-15 | 中国航空工业集团公司西安飞机设计研究所 | A kind of driving configuration of opposite opened hatch door |
| CN111392054A (en) * | 2020-03-31 | 2020-07-10 | 广州中科云图智能科技有限公司 | Unmanned aerial vehicle machine nest |
| CN112253774A (en) * | 2020-09-30 | 2021-01-22 | 内蒙古工业大学 | High-speed motion mechanism of mechanical pressure relief cabin door |
| CN212604775U (en) * | 2020-04-28 | 2021-02-26 | 长城汽车股份有限公司 | Vehicle-mounted unmanned aerial vehicle storage device and vehicle with same |
-
2021
- 2021-07-23 CN CN202110841057.4A patent/CN113581467A/en active Pending
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN203462935U (en) * | 2013-08-05 | 2014-03-05 | 万新军 | Locking and opening device of sealed cabin door of glove box |
| CN108974321A (en) * | 2018-08-30 | 2018-12-11 | 长光卫星技术有限公司 | A kind of pull-type hatch door of plug |
| CN209637503U (en) * | 2018-12-14 | 2019-11-15 | 中国航空工业集团公司西安飞机设计研究所 | A kind of driving configuration of opposite opened hatch door |
| CN110053538A (en) * | 2019-02-22 | 2019-07-26 | 深空灵动科技(大连)有限公司 | Vehicle-mounted cargo reception device and method of reseptance |
| CN111392054A (en) * | 2020-03-31 | 2020-07-10 | 广州中科云图智能科技有限公司 | Unmanned aerial vehicle machine nest |
| CN212604775U (en) * | 2020-04-28 | 2021-02-26 | 长城汽车股份有限公司 | Vehicle-mounted unmanned aerial vehicle storage device and vehicle with same |
| CN112253774A (en) * | 2020-09-30 | 2021-01-22 | 内蒙古工业大学 | High-speed motion mechanism of mechanical pressure relief cabin door |
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Application publication date: 20211102 |
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