CN109484646B - Load air-drop device of model airplane helicopter - Google Patents
Load air-drop device of model airplane helicopter Download PDFInfo
- Publication number
- CN109484646B CN109484646B CN201811620816.9A CN201811620816A CN109484646B CN 109484646 B CN109484646 B CN 109484646B CN 201811620816 A CN201811620816 A CN 201811620816A CN 109484646 B CN109484646 B CN 109484646B
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- rotating shaft
- load
- supporting part
- drop device
- shaft
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS 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
- B64D1/08—Dropping, ejecting, or releasing articles the articles being load-carrying devices
- B64D1/12—Releasing
Abstract
The invention provides a load-carrying air-drop device of an aeromodelling helicopter, which comprises a first assembly and a second assembly, wherein the second assembly is positioned below the first assembly and is fixedly connected with the first assembly or integrally formed with the first assembly, and the second assembly comprises a first supporting part, a second supporting part, a third supporting part and a fourth supporting part. The load air-drop device can realize the load and air-drop of a heavy object, is convenient to load, and has stable mounting and high response speed.
Description
Technical Field
The invention belongs to the technical field of aeromodelling, and particularly relates to a load air-drop device of an aeromodelling helicopter.
Background
The aeromodelling scientific and technological sports are fashionable sports integrating science and technology, knowledge, artistry, athletics, practicality and entertainment; the multifunctional aircraft model building device has the advantages of small size, light weight, no damage to people, good economy and the like, has very positive effects on training the manual brain ability of teenagers and promoting the overall quality improvement, and is popular with extensive aeromodelling enthusiasts and college and secondary school students.
In the aviation competitive sports, a competition item is named as distance-limited load air-drop. The event requires that the model airplane carry a certain weight of the item, airdrop the item at a certain height above the destination, and return safely. Generally, the weight of the object carried by the model airplane is at least several times of the self weight of the model airplane. And before the model airplane takes off, the assembly and debugging of the model airplane have time limit, so the load airdrop device for carrying articles is required to be convenient to load, the mounting is stable, the response speed is high, and the like.
Chinese utility model patent CN203753405U discloses a simply put in device for model aeroplane and model ship load air drop, including putting in the storehouse body, put in the storehouse body and set up on the fuselage between model aircraft's screw and a pair of wing, put in this internal heavy object that is provided with in storehouse. The throwing device forms a lock structure by penetrating a bolt through a small hole formed by the flat ring and the vertical ring; and the throwing is completed under the action of gravity of the heavy object when the bolt is pulled out. The throwing device achieves the effect of dragging a heavy object by combining the hanging rod and the bolt, and improves the safety and reliability of the load; the air-drop device is simple to operate, convenient to air-drop and capable of improving air-drop accuracy. However, the throwing device needs to be manually operated by manpower to operate the steering engine, and the throwing bin body belongs to a closed structure, so that the bearing capacity is limited, and the aerodynamic characteristics of the model airplane can be influenced.
Chinese utility model patent CN204452941U discloses a simple and easy quick input device for model airplane load air-drop. In the device, the heavy object that carries hangs in thick sleeve pipe, make actuating rod right side upper surface and fan-shaped rocking arm contact, through stirring the remote controller knob, the steering wheel work, fan-shaped rocking arm begins to rotate, when it rotated 90 degrees, actuating rod right side upper surface and fan-shaped rocking arm no longer contact, rotatory through pivot and actuating rod, the semicircle of thick sleeve pipe is separated with the semicircle couple that makes actuating rod, the heavy object is because gravity descends, thick sleeve pipe roll-off from thin sleeve pipe, thick sleeve pipe is put in along with the heavy object, accomplish whole input process. The throwing device is simple in structure, firm, durable, low in cost, easy to manufacture and capable of achieving quick throwing, and the fan-shaped rocker arm is adopted as a switch of the throwing mechanism, so that safety and reliability are improved. However, the steering engine is stressed greatly, and the stress direction is not consistent with the main force bearing direction designed by the main shaft of the steering engine, so that the steering engine is easy to clamp the shell. In addition, when loading, operations such as butt joint of thick and thin sleeves and overlapping of hooks need to be carried out at the lower part of the model extension machine, and the loading time is long.
In addition, the model helicopter has certain advantages based on the consideration of the weight of the load. However, similar to the above prior art, there is still a need to find a new load-carrying air-drop device for an aeromodelling helicopter.
Disclosure of Invention
The invention aims to provide a novel load-carrying and air-dropping device of an aeromodelling helicopter, which is convenient to load, stable in mounting and high in response speed.
In order to solve the technical problems, the invention is realized by the following technical scheme: a load air-drop device of an aeromodelling helicopter comprises a first component and a second component; the LED lamp is characterized in that the upper half part of the first component is semicircular, and the lower half part of the first component is rectangular; the upper half part and the lower half part are the same in thickness, the first assembly comprises a circular hollow part, and the center of the circular hollow part is coincident with the center of the upper half part; the second assembly is positioned below the first assembly and is fixedly connected with or integrally formed with the first assembly, the second assembly comprises a first supporting part, a second supporting part, a third supporting part and a fourth supporting part, the upper ends of the four supporting parts are connected with each other or integrally formed, and the lower ends of the four supporting parts are separated from each other in space; the first supporting part and the second supporting part are connected through a first rotating shaft, a first rotating wheel is sleeved outside the first rotating shaft, and the first rotating shaft and the second rotating shaft are in meshing transmission through a gear; the third supporting part and the fourth supporting part are connected through a second rotating shaft, a second rotating wheel is sleeved outside the second rotating shaft, and the third supporting part and the fourth supporting part are in meshing transmission through a gear; the middle portion of the first rotation shaft is located in a space where the first and second support portions are separated from each other, and the middle portion of the second rotation shaft is located in a space where the third and fourth support portions are separated from each other.
The load-and-air dropping device is characterized in that a rotatable clamping block is spanned between the first rotating shaft and the second rotating shaft, one end of the rotatable clamping block is of an annular structure and is rotatably sleeved on the second rotating shaft; the other end is of a flat structure and is positioned above the middle part of the first rotating shaft, but does not exceed the axis of the first rotating shaft in the length direction.
The load-and-air-drop device is characterized in that a third component is fixedly arranged on the outer side of the first supporting part; and the third component controls the first rotating wheel to rotate so as to realize the movement or the static of the rotatable clamping block.
The load-and-air drop device according to the invention is characterized in that the third component comprises a stud, a stud cover, first elastic means and two side walls.
The load-carrying air-drop device is characterized in that a first limiting device and a second limiting device are arranged on the side wall and used for fixing the first elastic device.
The load-and-air dropping device is characterized in that a groove is formed at the top position of the first rotating wheel and used for accommodating the tail end part of the bolt.
The load-and-air dropping device is characterized in that a first torsion spring is arranged at the end part of the first rotating shaft, which is positioned in the second supporting part, the torsion spring can control the first rotating shaft to rotate upwards or downwards, and the torsion spring is separated from the rotatable clamping block when the first rotating shaft rotates 90 degrees.
The load-and-air drop device according to the present invention is characterized in that the intermediate portion of the first rotating shaft is a half-shaft structure.
According to the load and air drop structure, the upper ends of the third supporting part and the fourth supporting part are provided with the second torsion spring and the fixed shaft.
The load-and-air dropping structure is characterized in that the second torsion spring is a bidirectional torsion spring.
Furthermore, the invention also provides a load air-drop device of the model helicopter, which comprises a first component and a second component; the upper half part of the first component is semicircular, and the lower half part of the first component is rectangular; the upper half part and the lower half part are the same in thickness, the first assembly comprises a circular hollow part, and the center of the circular hollow part is coincident with the center of the upper half part; the second assembly is positioned below the first assembly and is fixedly connected with or integrally formed with the first assembly, the second assembly comprises a first supporting part, a second supporting part, a third supporting part and a fourth supporting part, the upper ends of the four supporting parts are connected with each other or integrally formed, and the lower ends of the four supporting parts are separated from each other in space; the first supporting part and the second supporting part are connected through a first rotating shaft, a first rotating wheel is sleeved outside the first rotating shaft, and the first rotating shaft and the second rotating shaft are in meshing transmission through a gear; the third supporting part and the fourth supporting part are connected through a second rotating shaft, a second rotating wheel is sleeved outside the second rotating shaft, and the third supporting part and the fourth supporting part are in meshing transmission through a gear; a middle portion of the first rotation shaft is located in a space where the first and second support portions are separated from each other, and a middle portion of the second rotation shaft is located in a space where the third and fourth support portions are separated from each other;
a rotatable fixture block is spanned between the first rotating shaft and the second rotating shaft, one end of the rotatable fixture block is of an annular structure and is rotatably sleeved on the second rotating shaft; the other end of the first rotating shaft is of a flat structure and is positioned above the middle part of the first rotating shaft, but does not exceed the axis of the first rotating shaft in the length direction;
a third component is fixedly arranged on the outer side of the first supporting part;
the third assembly comprises a stud, a stud cover, a first elastic device and two side walls;
the side wall is provided with a first limiting device and a second limiting device which are used for fixing the first elastic device;
the side wall is provided with a first limiting device and a second limiting device which are used for fixing the first elastic device;
the top of the first rotating wheel is provided with a groove for accommodating the end part of the bolt;
a first torsion spring is arranged at the end part of the first rotating shaft, which is positioned in the second supporting part, and the torsion spring can control the first rotating shaft to rotate upwards or downwards and is separated from the rotatable clamping block when rotating 90 degrees;
the middle part of the first rotating shaft is of a half-shaft structure;
the upper ends of the third supporting part and the fourth supporting part are provided with a second torsion spring and a fixed shaft;
the second torsion spring is a bidirectional torsion spring.
On the other hand, the invention also provides a load using method of the load and air dropping device of the model helicopter, which comprises the following steps,
suspending a first component of the load-carrying air-drop device on a body of an aeromodelling helicopter;
pushing the rotatable clamping block to move upwards by using a lifting ring bearing a heavy object, driving the first rotating shaft to rotate, and moving to any position between the first rotating shaft and the lower end of the second torsion spring;
the lifting ring stops moving and is separated from the rotatable fixture block, the rotatable fixture block falls on the first rotating shaft under the action of gravity, and the second torsion spring is in a stretching state;
inserting the stud into a groove at a top position of the first rotating wheel;
and connecting the upper end of the bolt to a steering engine of the model airplane helicopter through a suspension wire, wherein the steering engine can pull the suspension wire and the bolt to move upwards when rotating.
In another aspect, the invention further provides an airdrop method of using the load airdrop device of the model helicopter, which comprises the following steps,
connecting the upper end of the bolt column to a steering engine of the model airplane helicopter through a suspension wire
The steering engine is controlled to rotate through a remote controller, and the suspension wire and the bolt are pulled to move upwards;
the bolt is separated from the groove at the top of the first rotating wheel;
the first rotating wheel rotates to drive the first rotating shaft to rotate downwards;
the second extension spring is rapidly changed from the extension state to the original length, so that the first rotating shaft rotates downwards by 90 degrees, and in the process, the rotatable fixture block is separated from the first rotating shaft;
the rotatable clamping block is separated from the hanging ring for bearing the heavy object.
Compared with the prior art, the load-air-drop device has the advantages that the load-air-drop device with the specific structure is used, so that the accurate control of the load-air-drop position and time is realized, the loading is convenient, the mounting is stable, and the response speed is high.
Drawings
FIG. 1 is a front view of a load-drop device of an aeromodelling helicopter (1-rotating part; 2-stud sleeve; 3-rotating shaft sleeve; 4-spring; 5-stud; 6-stud cover; 7-support; 8-torsion spring; 9-stationary shaft; 10-rotatable fixture; 11-torsion spring) according to a preferred embodiment of the present invention;
fig. 2 is a side view of a load-carrying aerial-delivery device of an aeromodelling helicopter (wherein 12-the second rotating shaft; 13-the second rotating wheel) according to a preferred embodiment of the present invention.
Fig. 3 is a schematic view of a first rotating shaft of a load-carrying aerial-delivery device of an aeromodelling helicopter in accordance with a preferred embodiment of the present invention.
Fig. 4a and 4b are schematic views of the load and the aerial delivery state of the load and the aerial delivery device of the model helicopter according to a preferred embodiment of the present invention.
Detailed Description
Hereinafter, specific embodiments of the present invention will be described in detail with reference to the accompanying drawings, and it will be apparent to those skilled in the art from this detailed description that the present invention can be practiced. Features from different embodiments may be combined to yield new embodiments, or certain features may be substituted for certain embodiments to yield yet further preferred embodiments, without departing from the principles of the present invention.
As shown in fig. 1, a load-carrying aerial-dropping device of an aeromodelling helicopter, constructed in accordance with a preferred embodiment of the present invention, comprises a first member and a second member; the upper half part of the first component is semicircular, and the lower half part of the first component is rectangular; the upper half part and the lower half part are the same in thickness, the first assembly comprises a circular hollow part, and the center of the circular hollow part is coincident with the center of the upper half part; the second assembly is located below and integrally formed with the first assembly, and includes a first support part 7, a second support part (not identified), a third support part (not identified), and a fourth support part (not identified), the upper ends of which are connected to each other or integrally formed, and the lower ends of which are spatially separated from each other; the first supporting part and the second supporting part are connected through a rotating part 1 and are in meshing transmission through a gear (not shown); the third supporting part and the fourth supporting part are connected through a rotating part, a second rotating wheel is sleeved outside the second rotating shaft, and the second rotating shaft and the second rotating wheel are in meshing transmission through a gear; the middle portion of the first rotation shaft is located in a space where the first and second support portions are separated from each other, and the middle portion of the second rotation shaft is located in a space where the third and fourth support portions are separated from each other.
Fig. 2 is a side view of a load-and-air-drop device of an aeromodelling helicopter according to a preferred embodiment of the present invention, showing the structure of a rotating member, including a first rotating shaft 12 and a first rotating wheel 13, wherein the first rotating shaft 12 is externally sleeved with the first rotating wheel 13.
In a preferred embodiment of the load-and-air dropping device according to the present invention, a rotatable block 10 is spanned between the first rotating shaft and the second rotating shaft, and one end of the rotatable block is in a ring structure and is rotatably sleeved on the second rotating shaft 12; the other end is of a flat structure and is positioned above the middle part of the first rotating shaft, but does not exceed the axis of the first rotating shaft in the length direction.
In a preferred embodiment of the load-and-air drop device according to the invention, a third component is fixedly arranged outside the first support part; the third component controls the first rotating wheel to rotate, so that the movement or the rest of the rotatable fixture block 10 is realized.
In a preferred embodiment of the load-and-drop device according to the invention, the third component comprises a stud 5, a stud cover 6, a spring 4 and two side walls. And the side wall is provided with a first limiting device and a second limiting device which are used for fixing the first elastic device.
In a preferred embodiment of the load-and-drop device according to the present invention, a torsion spring 11 is provided at an end portion of the first rotating shaft located in the second supporting portion, and the torsion spring 11 controls the first rotating shaft to rotate upward or downward and to be separated from the rotatable latch 10 when rotated 90 degrees.
In a preferred embodiment of the load-and-drop device according to the invention, a stud sleeve 2 and a rotary shaft sleeve 3 are optionally also included.
In one preferable embodiment of the load-and-empty device according to the invention, the intermediate portion of the first rotating shaft is a half-shaft structure. Fig. 3 is a schematic view of a first rotating shaft of a load-carrying aerial-delivery device of an aeromodelling helicopter in accordance with a preferred embodiment of the present invention. The design is beneficial to enable the first rotating shaft to better support the rotatable fixture block 10 in the initial position, so that the rotatable fixture block is limited, and the effect of stable mounting is achieved.
In a preferred embodiment of the load-and-air drop device according to the invention, the upper ends of the third and fourth support parts are provided with a bidirectional torsion spring 8 and a stationary shaft 9. This design prevents the rotatable cartridge 10 from rotating further after rotating up to 90 degrees, which also helps to improve the ease of loading.
Fig. 4a is a schematic view of the load state of the load-carrying aerial-dropping device of the model helicopter according to a preferred embodiment of the present invention. In this preferred embodiment, the loading method comprises the steps of:
suspending a first component of the load-carrying air-drop device on a body of an aeromodelling helicopter;
pushing the rotatable clamping block to move upwards by using a lifting ring bearing a heavy object, driving the first rotating shaft to rotate, and moving to any position between the first rotating shaft and the lower end of the second torsion spring;
the lifting ring stops moving and is separated from the rotatable fixture block, the rotatable fixture block falls on the first rotating shaft under the action of gravity, and the second torsion spring is in a stretching state;
inserting the stud into a groove at a top position of the first rotating wheel;
and connecting the upper end of the bolt to a steering engine of the model airplane helicopter through a suspension wire, wherein the steering engine can pull the suspension wire and the bolt to move upwards when rotating.
Fig. 4b is a schematic view of an aerial delivery state of a load-carrying aerial delivery device of the model helicopter according to a preferred embodiment of the present invention. In this preferred embodiment, the aerial delivery method of use comprises the steps of,
connecting the upper end of the bolt column to a steering engine of the model airplane helicopter through a suspension wire
The steering engine is controlled to rotate through a remote controller, and the suspension wire and the bolt are pulled to move upwards;
the bolt is separated from the groove at the top of the first rotating wheel;
the first rotating wheel rotates to drive the first rotating shaft to rotate downwards;
the second extension spring is rapidly changed from the extension state to the original length, so that the first rotating shaft rotates downwards by 90 degrees, and in the process, the rotatable fixture block is separated from the first rotating shaft;
the rotatable clamping block is separated from the hanging ring for bearing the heavy object.
Compared with the prior art, the load-air-drop device has the advantages that the load-air-drop device with the specific structure is used, so that the accurate control of the load-air-drop position and time is realized, the loading is convenient, the mounting is stable, and the response speed is high.
Although the present invention has been described above with reference to specific embodiments, it will be appreciated by those skilled in the art that many modifications are possible in the arrangement and details of the invention disclosed within the principle and scope of the invention. The scope of the invention is to be determined by the appended claims, and all changes that come within the meaning and range of equivalency of the technical features are intended to be embraced therein.
Claims (9)
1. A load air-drop device of an aeromodelling helicopter comprises a first component and a second component; the LED lamp is characterized in that the upper half part of the first component is semicircular, and the lower half part of the first component is rectangular; the upper half part and the lower half part are the same in thickness, the first assembly comprises a circular hollow part, and the center of the circular hollow part is coincident with the center of the upper half part; the second assembly is positioned below the first assembly and is fixedly connected with or integrally formed with the first assembly, the second assembly comprises a first supporting part, a second supporting part, a third supporting part and a fourth supporting part, the upper ends of the four supporting parts are connected with each other or integrally formed, and the lower ends of the four supporting parts are separated from each other in space; the first supporting part and the second supporting part are connected through a first rotating shaft, a first rotating wheel is sleeved outside the first rotating shaft, and the first rotating shaft and the second rotating shaft are in meshing transmission through a gear; the third supporting part and the fourth supporting part are connected through a second rotating shaft, a second rotating wheel is sleeved outside the second rotating shaft, and the third supporting part and the fourth supporting part are in meshing transmission through a gear; a middle portion of the first rotation shaft is located in a space where the first and second support portions are separated from each other, and a middle portion of the second rotation shaft is located in a space where the third and fourth support portions are separated from each other;
a rotatable fixture block is spanned between the first rotating shaft and the second rotating shaft, one end of the rotatable fixture block is of an annular structure and is rotatably sleeved on the second rotating shaft; the other end is of a flat structure and is positioned above the middle part of the first rotating shaft, but does not exceed the axis of the first rotating shaft in the length direction.
2. The load-carrying aerial delivery device according to claim 1, wherein a third member is fixedly provided outside the first support portion; and the third component controls the first rotating wheel to rotate so as to realize the movement or the static of the rotatable clamping block.
3. A load-drop device according to claim 2, wherein the third assembly comprises a stud, a stud cover, first resilient means and two side walls.
4. A load-carrying aerial delivery device according to claim 3, wherein the side wall is provided with first and second stop means for securing the first resilient means.
5. A load-and-drop device according to claim 3, wherein said first turning wheel is provided with a recess at a top position for receiving an end portion of said stud.
6. A load-drop device according to claim 1, wherein the end portion of the first turning shaft located in the second support portion is provided with a first torsion spring which can control the first turning shaft to turn up or down, and is separated from the rotatable latch when turned 90 degrees.
7. The load-drop device according to claim 1, wherein the intermediate portion of the first rotating shaft is a half-shaft structure.
8. The load-drop device according to claim 1, wherein the upper ends of the third and fourth support portions are provided with a second torsion spring and a fixed shaft.
9. A load-drop device according to claim 8, wherein the second torsion spring is a bidirectional torsion spring.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811620816.9A CN109484646B (en) | 2018-12-28 | 2018-12-28 | Load air-drop device of model airplane helicopter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811620816.9A CN109484646B (en) | 2018-12-28 | 2018-12-28 | Load air-drop device of model airplane helicopter |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109484646A CN109484646A (en) | 2019-03-19 |
| CN109484646B true CN109484646B (en) | 2020-07-03 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811620816.9A Expired - Fee Related CN109484646B (en) | 2018-12-28 | 2018-12-28 | Load air-drop device of model airplane helicopter |
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| Country | Link |
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| CN (1) | CN109484646B (en) |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7934681B1 (en) * | 2010-03-09 | 2011-05-03 | Sastry Ganti | Quick connect-disconnect air transport |
| CN203753405U (en) * | 2013-12-26 | 2014-08-06 | 西安理工大学 | Simple drop device for load drop of model airplane |
| CN204452941U (en) * | 2014-12-30 | 2015-07-08 | 王洪洋 | A kind of simple and fast delivery device for model plane load-carrying air-drop |
| CA3002171A1 (en) * | 2015-10-16 | 2017-04-20 | Nutech Ventures | Fire suppression and ignition with unmanned aerial vehicles |
-
2018
- 2018-12-28 CN CN201811620816.9A patent/CN109484646B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US7934681B1 (en) * | 2010-03-09 | 2011-05-03 | Sastry Ganti | Quick connect-disconnect air transport |
| CN203753405U (en) * | 2013-12-26 | 2014-08-06 | 西安理工大学 | Simple drop device for load drop of model airplane |
| CN204452941U (en) * | 2014-12-30 | 2015-07-08 | 王洪洋 | A kind of simple and fast delivery device for model plane load-carrying air-drop |
| CA3002171A1 (en) * | 2015-10-16 | 2017-04-20 | Nutech Ventures | Fire suppression and ignition with unmanned aerial vehicles |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109484646A (en) | 2019-03-19 |
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Effective date of registration: 20200522 Address after: 210000 Kechuang building, Futian Road, Zhetang street, Lishui Economic Development Zone, Nanjing City, Jiangsu Province Applicant after: Nanjing Lishui hi tech Venture Capital Management Co.,Ltd. Address before: 312000 Room 2002, 28 Shengshi Famous Garden, Yuecheng District, Shaoxing City, Zhejiang Province Applicant before: Lv Zecheng |
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