CN109395411B - A kind of implementation method for preventing blade from fractureing when model plane low-latitude flying - Google Patents
A kind of implementation method for preventing blade from fractureing when model plane low-latitude flying Download PDFInfo
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- CN109395411B CN109395411B CN201811350784.5A CN201811350784A CN109395411B CN 109395411 B CN109395411 B CN 109395411B CN 201811350784 A CN201811350784 A CN 201811350784A CN 109395411 B CN109395411 B CN 109395411B
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- 238000000034 method Methods 0.000 title claims abstract description 20
- 230000008859 change Effects 0.000 claims abstract description 4
- 230000004888 barrier function Effects 0.000 claims description 32
- 230000001012 protector Effects 0.000 claims description 10
- 238000007373 indentation Methods 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 7
- 230000001681 protective effect Effects 0.000 description 5
- 238000005299 abrasion Methods 0.000 description 3
- 230000009471 action Effects 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 238000004519 manufacturing process Methods 0.000 description 3
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 206010057855 Hypotelorism of orbit Diseases 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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- A—HUMAN NECESSITIES
- A63—SPORTS; GAMES; AMUSEMENTS
- A63H—TOYS, e.g. TOPS, DOLLS, HOOPS OR BUILDING BLOCKS
- A63H27/00—Toy aircraft; Other flying toys
- A63H27/02—Model aircraft
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Abstract
The invention discloses the implementation methods for preventing blade from fractureing when a kind of model plane low-latitude flying, including motor and the output shaft being connected to motor, it further include link block, symmetrical blade there are two being set on link block, blade is detachably connected with link block, cavity is equipped in the link block, output shaft is inserted into cavity, two motion bars are equipped in cavity, motion bar can move on the inner wall of link block, change the spacing between two motion bars, the first elastic component is additionally provided between two motion bars, the both ends of first elastic component are connect with the inner wall of two motion bars respectively, limited block is equipped on motion bar, it exports the tip of the axis and is equipped with blind hole, set on the inner wall of blind hole there are two with the matched limiting slot of limited block, and two limiting slots are with the center line symmetrical setting of blind hole, when output shaft is inserted into the cavity of link block When interior, motion bar is inserted into blind hole, and limited block is combined together with limiting slot, and link block is fixed on output shaft.
Description
Technical field
The present invention relates to model airplane fields, and in particular to the realization side for preventing blade from fractureing when a kind of model plane low-latitude flying
Method.
Background technique
Aerospace model is under the jurisdiction of aerospace mould as the term suggests being a kind of recyclable model of imitative spacecraft shape fabricating
Type is for a kind of sporting unmanned aircraft.In aerospace model be in rocket shape more, therefore be generally called model rocket.In other words
It says, model rocket, which refers to, does not utilize aerodynamic lift to go to overcome gravity, but a kind of boat of lift-off is promoted by model rocket engine
Empty model；It is equipped be allowed to return safely ground so as to the recyclable device that flies again；To ensure safety, its structure member
It must be made of nonmetallic materials.Though model rocket is small, however it will lean on model rocket engine propulsion that could fly in an atmosphere
Row.Therefore, it designs and makes model rocket and need various knowledge, such as aerodynamics, rocket mechanics.In prosperity
Country some institutions of higher education in, on the related course of science and engineering or even on the physics lesson in some middle schools, instructors often with
Model rocket is as the subject matter taught, and instruction of papil carries out some subject studies and the production of model rocket on this basis.
Currently, the propeller of most of model plane is all disposed within before body, propeller be usually all it is direct with it is electronic
The main shaft of machine welds together, model plane outdoors environment low-latitude flying when, especially take off or descent in, propeller
Be easy to collide with the barrier on ground, when propeller and barrier collide, the kinetic energy of collision by by model airplane its
His position absorbs, and less serious case causes fractureing for propeller, and severe one causes the damage at other positions of model airplane.
Summary of the invention
The technical problem to be solved by the present invention is to overcome deficiency in the prior art, and it is an object of the present invention to provide a kind of model plane are low
The implementation method for preventing blade from fractureing when empty flight can be in time by spiral shell when encountering barrier during propeller works
Rotation paddle falls off from model plane, protects to other Power Components of propeller and model plane, avoids causing it serious damage
It is bad.
The present invention is achieved through the following technical solutions:
A kind of implementation method for preventing blade from fractureing when model plane low-latitude flying, comprising the following steps:
1) whether motor and all parts for first checking for model plane are normal；
2) output shaft is inserted into the cavity of link block, it is complete when the limited block on motion bar is pressed into limiting slot
The connection of pairs of output shaft and link block；
3) start the flight to model plane；
4) when model plane are in low-latitude flying, and blade encounters barrier, barrier generates active force to blade, forces blade
It is moved in towards the cavity of link block, reduces the impact force of blade and barrier, blade, which clears the jumps, continues normal flight；
5) when barrier persistently generates active force to blade, blade is greater than first to the active force that the second elastic component generates
When the elastic force of elastic component, motion bar will compress the first elastic component, shorten the spacing between two motion bars, so that limited block is from limit
It is removed in the slot of position, link block is caused to be detached from output shaft, blade stopping collides to barrier, and model plane stop flight.
Further, including motor and with the output shaft that motor is connected to, further include link block, the link block
On set there are two symmetrical blade, blade is detachably connected with link block, and equipped with cavity in the link block, output shaft can be inserted
Enter to cavity, two motion bars are equipped in the cavity, motion bar can move on the inner wall of link block, change two work
Spacing between lever, is additionally provided with the first elastic component between two motion bars, the both ends of the first elastic component respectively with two activities
The inner wall of bar connects, and is equipped with limited block on the motion bar, and the output the tip of the axis is equipped with blind hole, on the inner wall of blind hole
If there are two with the matched limiting slot of limited block, and two limiting slots are with the center line symmetrical setting of blind hole, when output shaft is inserted
When entering to the cavity of link block, limited block can be inserted into limiting slot by the first elastic component, and link block is fixed on output
On axis, several second elastic components are additionally provided between the blade and motion bar, blade can compress second towards motion bar direction
Elastic component.
Further, guide groove is additionally provided on the inner wall of the link block, set in the guide groove there are two and guide groove
Matched sliding block, sliding block can move in guide groove, and the sliding block is equipped with movable block, and movable block can follow sliding block one
Movement is played, and two motion bars are connect with two movable blocks respectively.
Further, the two sides of the link block are equipped with passes through through-hole, is located at the matched through-hole of blade, the blade
In the cavity of link block, the motion bar is towards being additionally provided with two the second elastic components, second elastic component on the side wall of blade
One end is connect with motion bar, and the other end is detachably connected with blade.
Further, the blade, which is located on the end of cavity, is additionally provided with link slot, the inner wall two sides of the link slot
It is all provided with fluted, and link slot and groove are connected to the side wall of blade, connecting plate are equipped in the link slot, and connect
The two sides of plate are located in the groove of link slot two sides, and second elastic component is welded with connecting plate.
Further, location hole, locating rod on the connecting plate are additionally provided in the link slot, the locating rod passes through spiral shell
Line is connect with connecting plate, and locating rod can be connect by screw thread with location hole.
Further, the two sides of the blade are equipped with protector, and the protector is located at the outside of link block, the company
The two sides for connecing block are all provided with there are two convex block, and two convex blocks of link block two sides are respectively positioned on the two sides of blade, are gone back on the convex block
Equipped with cross bar, cross bar passes through screw thread and connect with convex block, and rotary bar, cross bar can be moved in protector.
Further, the limited block is spherical shape, and the limiting slot is and the matched arc groove of limited block.
Further, elastic force of the sum of the elastic force of second elastic component less than the first elastic component.
Compared with prior art, the present invention having the following advantages and benefits:
1, the implementation method that blade fractures is prevented when a kind of model plane low-latitude flying of the invention, propeller when model plane low-latitude flying
When encountering lesser barrier, barrier generates active force to blade, forces blade to compress the second elastic component, blade is forced to retract
To the cavity of link block, the direct collision of blade and barrier can be reduced, is played a protective role to blade, and is worked as
Blade is flown over after lesser barrier, can continue to stabilized flight；
2, the implementation method that blade fractures is prevented when a kind of model plane low-latitude flying of the invention, when model plane fly the mistake of low-latitude flying
When encountering biggish barrier in journey, when blade is compressed to a distance in cavity by the active force that barrier generates blade,
When the pressure that the second elastic component is subject to is greater than the elastic force that the first elastic component generates, activity compression bar is forced motion bar by blade
On limited block removed out of limiting slot, and then blade is caused to fall off from output shaft, avoid blade further with barrier into
Row collision, plays a protective role to blade；
3, the implementation method that blade fractures is prevented when a kind of model plane low-latitude flying of the invention, when blade was used actual
When Cheng Zhongyou abrasion needs to carry out with changing, quickly blade can be mounted in link block, blade is replaced and is repaired.
Detailed description of the invention
Attached drawing described herein is used to provide to further understand the embodiment of the present invention, constitutes one of the application
Point, do not constitute the restriction to the embodiment of the present invention.In the accompanying drawings:
Fig. 1 is schematic structural view of the invention；
Fig. 2 is the structural schematic diagram of output shaft of the present invention；
Fig. 3 is the connection schematic diagram of link block of the present invention and blade；
Fig. 4 is the amplified structural schematic diagram in the portion A of the present invention；
Fig. 5 is the structural schematic diagram in link block of the present invention；
Fig. 6 is the structural schematic diagram of blade tips of the present invention；
Fig. 7 is the side view of blade of the present invention；
Fig. 8 is the structural schematic diagram of connecting plate of the present invention；
Structural schematic diagram when Fig. 9 is blade of the present invention and connecting plate cooperation.
Label and corresponding parts title in attached drawing:
1- motor, 2- output shaft, 3- blade, 4- link block, 5- limited block, 6- motion bar, 7- blind hole, 8- limiting slot,
9- cavity, the first elastic component of 10-, the second elastic component of 11-, 12- movable block, 13- guide groove, 14- locating rod, 15- connecting plate,
16- location hole, 17- link slot, 18- groove, 19- cross bar, 20- protector, 21- convex block.
Specific embodiment
To make the objectives, technical solutions, and advantages of the present invention clearer, below with reference to embodiment and attached drawing, to this
Invention is described in further detail, and exemplary embodiment of the invention and its explanation for explaining only the invention, are not made
For limitation of the invention.
Embodiment
As shown in Figure 1, preventing the implementation method that blade fractures, including motor 1 when a kind of model plane low-latitude flying of the invention
Connect with the output end of output shaft 2, the motor 1 with output shaft 2, motor 1 work when, be able to drive output shaft 2 around
The rotation of its axis, the end of the output shaft 2 are equipped with blind hole 7, are set on the inner wall of the blind hole 7 there are two limiting slot 8, two
Limiting slot 8 is symmetrical with the central axes of blind hole 7, and the section of the limiting slot 8 is semi-circular shape；It further include link block 4, the connection
The inside of block 4 is equipped with cavity 9, and cavity 9 is connected to one end of link block 4, and output shaft 2 is enabled to be inserted in link block 4
In cavity 9, the cavity of the link block 4 inner wall opposite with output shaft 2 is equipped with guide groove 13, set in guide groove 13 there are two
With the matched sliding block of guide groove 13, sliding block can move in guide groove 13, and movable block 12, movable block are equipped on the sliding block
12 can follow sliding block to move together, and to change the spacing between two movable blocks 12, be equipped with activity on the movable block 12
Bar 6, axis parallel of the central axes of two motion bars 6 with blind hole 7 are equipped with the first elastic component 10 between two motion bars 6,
First elastic component 10 be spring, have certain elasticity, the both ends of first elastic component 10 respectively with two motion bars 6
Connection, the first elastic component 10 force two sliding blocks to be located at the both ends of guide groove 13, the work under the action of not by external force
It is equipped with limited block 5 on the side wall of lever 6, the limited block 5 is spherical structure, and the diameter of limited block 5 and limiting slot 8
Diameter is identical, so that two motion bars 6 are inserted into output shaft 2 when output shaft 2 is inserted into the cavity 9 of link block 4
Blind hole 7 in, and since the elastic force that the first elastic component 10 generates is mobile by the direction of both ends of two sliding blocks towards guide groove 13,
So that the limited block 5 on motion bar 6 is inserted into limiting slot 8, so that output shaft 2 links together with link block 4,
When the rotation of the electronic output shaft 2 of motor 1, link block 4 can be rotated together and then；The two sides of the link block 4 are equipped with logical
Hole, and two through-holes are symmetrical about the central axes of link block 4, and blade 3 is equipped in through-hole, and the blade 3 is inserted into across through-hole
To the cavity of link block 4, blade 3 can move in link block 4, and the blade 3 is located at the end in the cavity 9 of link block 4
End is equipped with link slot 17, and link slot 17 is connected to the side wall of blade 3, and the inner wall two sides of the link slot 17 are equipped with recessed
Slot 18, groove 18 are also connected to the side wall of blade 3, and connecting plate 15, the two sides point of connecting plate 15 are additionally provided in the link slot 17
Wei Yu not be in the groove 18 of 18 two sides of link slot, and connecting plate 15 can move in link slot 17 and groove 18, thus will
Connecting plate 15 is removed from link slot 17 and 3 side wall connectivity part of blade, and then is realized 15 quick despatch of connecting plate in blade 3
On, locating rod 14 is additionally provided on the connecting plate 15, be additionally provided in the link slot 17 with the matched location hole 16 of locating rod 14,
Locating rod 14 is connect by screw thread with connecting plate 15, and locating rod 14 can also be connect by screw thread with location hole 16, thus
Connecting plate 15 is fixed in link slot 17, two second elastic components 11, the second elastic component 11 are equipped on the connecting plate 17
It also is spring, and the elastic force of the first elastic component 10 is greater than the sum of 11 elastic force of the second elastic component between motion bar 6 and blade 3, the
One end of two elasticity 11 is connect with connecting plate 17, and the other end is connect with motion bar 6, so that being used for a long time after the abrasion of blade 3, side
Just quickly blade 3 is carried out with changing, when blade 3 is by external force, blade 3 will compress the second elastic component 11, force blade 3
It is mobile towards 6 direction of motion bar, it retracts in a distance to the cavity of link block 4, when the active force that barrier applies blade 3
When persistently increasing, when being greater than the elastic force of the first elastic component 10 to the active force that blade 3 applies, blade 3 drives the compression of motion bar 6 the
One elastic component 10, so that the hypotelorism between two motion bars 6, causes limited block 5 to remove out of limiting slot 8, finally make
Link block 4 is detached from output shaft 2, in time separates link block 4 and output shaft 2, is risen centainly to blade 3 and output shaft 2
Protective effect；The two sides of the blade 3 are all provided with protector 20, and protector 20 is located at the outside of link block 4, the connection
The two sides of block 4 are all provided with there are two convex block 21, and two convex blocks 21 of 4 two sides of link block are located at the two sides of blade 3, described
Cross bar 19 is equipped on convex block 21, cross bar 19 is connect by screw thread with convex block 21, when link block 4 is connect with output shaft 2, and
When limited block 5 on motion bar 6 is located in limiting slot 8, rotary bar 19, cross bar 19 can be moved in protector 20, and
Cross bar 19 is located at link slot 8 in the end in 4 direction of link block, and limitation blade 3 is mobile away from 4 direction of link block, but
It is not limit blade 3 towards moving in the cavity 9 of link block 4, the purpose being arranged in this way is, when being worked due to motor 1, output
Axis 2 drives link block 4 to rotate, and since blade 3 is by the connection of the second elastic component 11, blade 3 under the influence of centrifugal force will be towards
The cross bar 19 for being reversely subjected to displacement, therefore being arranged far from link block 4 can limit blade 3 under the influence of centrifugal force away from even
It is mobile to connect 4 direction of block, guarantees that blade 3 can stablize rotation, power needed for manufacturing model plane normal flight.
The present invention in use, by two motion bars 6 towards 10 direction of the first elastic component compress, shorten two motion bars 6 it
Between spacing, then output shaft 2 is inserted into the cavity 9 of link block 4 so that motion bar 9 is inserted into the blind hole 7 of output shaft 2,
When the external force that release applies motion bar 6, motion bar 6 is under the action of the first elastic component 10, by the indentation of limited block 5 to limiting slot
In 8, so that link block 4 is fixed on output shaft 2, when motor 1 works, output shaft 2 will drive link block 4 to rotate, to make
It obtains blade 3 to rotate, power needed for manufacture model plane flight；For model plane when low latitude carries out flight, blade 3 encounters the obstacle on ground
When object, when the contact-segment that blade 3 and barrier are collided is smaller, barrier will generate active force to blade 3, blade 3 by
The second elastic component 11 will be compressed after to active force, be forced blade 3 towards a distance is retracted in the cavity 9 of link block 4, be reduced
Impact force between blade 3 and barrier plays a protective role to blade 3, when flying to take a leap over an obstacle with model, blade
3 will stretch out out of link block 4 again, the power needed for model plane flight provides be continued as, so that model plane are encountering lesser obstacle
When object, when barrier not will cause biggish damage to blade 3, blade 3 can be retracted to link block 4, reduce to barrier
After impact force, continue to fly, when avoiding and encounter lesser barrier, and failing to cause serious damage to blade 3, even
It connects block 4 to be detached from output shaft 2, model plane is caused to stop flight；When model plane encounter biggish barrier during flight
When, the active force that barrier generates blade 3 forces blade 3 to compress the second elastic component 11, and blade 3 is retracted to the sky of link block 4
After 9 a distance of chamber, barrier also continues generating active force to blade, when the pressure that the second elastic component 11 is subject to is greater than first
When the elastic force of elastic component 10, at this point, motion bar 6 compresses the first elastic component 10 under the action of blade 3, shorten two motion bars 6
Between spacing so that removing in 5 upper limit position groove 8 of limited block, and then link block 4 is caused to fall off from output shaft 2, stopped in time
The collision of blade 3 and barrier avoids blade 3 and barrier that fierce collision occurs, causes the damage of blade 3, output shaft 2, right
Blade 3 plays a protective role, and operator only need to again link together link block 4 and output shaft 2, just can continue to
It flies to model plane；Blade 3 in the actual use process, will receive certain abrasion, when 3 serious wear of blade simultaneously
When, quickly blade 3 can be loaded and unloaded using the connecting plate 15 of setting, convenient for the maintenance in later period.
Above-described specific embodiment has carried out further the purpose of the present invention, technical scheme and beneficial effects
It is described in detail, it should be understood that being not intended to limit the present invention the foregoing is merely a specific embodiment of the invention
Protection scope, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should all include
Within protection scope of the present invention.
Claims (8)
1. the implementation method for preventing blade from fractureing when a kind of model plane low-latitude flying, comprising the following steps:
1) whether motor (1) and all parts for first checking for model plane are normal；
2) output shaft (2) is inserted into the cavity (9) of link block (4), when limited block (5) indentation on motion bar (6) to limit
When position slot (8) is interior, the connection to output shaft (2) and link block (4) is completed；
3) start the flight to model plane；
4) when model plane are in low-latitude flying, and blade (3) encounters barrier, barrier generates active force to blade (3), forces paddle
Leaf reduces the impact force of blade (3) and barrier towards moving in the cavity (9) of link block (4), and blade (3) clears the jumps
Continue normal flight；
5) when barrier persistently generates active force to blade (3), the active force that blade (3) generates the second elastic component (11) is big
When the elastic force of the first elastic component (10), motion bar (6) will compress the first elastic component (10), shorten between two motion bars (6)
Spacing cause link block (4) to be detached from output shaft (2), blade so that limited block (5) is removed out of limiting slot (8)
(3) stop colliding to barrier, model plane stop flight；
Including link block (4), set on the link block (4) there are two symmetrical blade (3), blade (3) passes through with link block (4)
It is slidably connected, is equipped with cavity (9) in the link block (4), output shaft (2) is inserted into cavity (9), the cavity (9)
Inside be equipped with two motion bars (6), motion bar (6) can move on the inner wall of link block (4), change two motion bars (6) it
Between spacing, be additionally provided with the first elastic component (10) between two motion bars (6), be equipped with limited block on the motion bar (6)
(5), the end of the output shaft (2) is equipped with blind hole (7), and the central axes of the central axes of blind hole (7) and two motion bars (6) are flat
Row, set on the inner wall of the blind hole (7) there are two with limited block (5) matched limiting slot (8), and two limiting slots (8) with
The center line symmetrical setting of blind hole (7), when the cavity (9) that output shaft (2) is inserted into link block (4) is interior, the first elastic component
(10) limited block (5) can be inserted into limiting slot (8), link block (4) is fixed on output shaft (2), the blade (3)
Several second elastic components (11) are additionally provided between motion bar (6), blade (3) can compress second towards motion bar (6) direction
Elastic component (11).
2. the implementation method for preventing blade from fractureing when a kind of model plane low-latitude flying according to claim 1, which is characterized in that
The two sides of the link block (4) are equipped with to be passed through through-hole and is located at link block (4) with blade (3) matched through-hole, the blade (3)
Cavity (9) in, and blade (3) can be mobile towards motion bar (6) direction in through-hole.
3. the implementation method for preventing blade from fractureing when a kind of model plane low-latitude flying according to claim 1, which is characterized in that
The two sides of the link block (4), which are equipped with, passes through through-hole with blade (3) matched through-hole, the blade (3), is located at link block
(4) in cavity (9), the motion bar (6) is described towards being additionally provided with two the second elastic components (11) on the side wall of blade (3)
Second elastic component (11) one end is connect with motion bar (6), and the other end is detachably connected with blade (3).
4. the implementation method for preventing blade from fractureing when a kind of model plane low-latitude flying according to claim 1, which is characterized in that
The blade (3), which is located on the end of cavity (9), is additionally provided with link slot (17), and the inner wall two sides of the link slot (17) are all provided with
Fluted (18), and link slot (17) and groove (18) are connected to the side wall of blade, the company of being equipped in the link slot (17)
Fishplate bar (15), and the two sides of connecting plate (15) are located in the groove (18) of link slot (17) two sides, second elasticity
Part (11) is welded with connecting plate (15).
5. the implementation method for preventing blade from fractureing when a kind of model plane low-latitude flying according to claim 4, which is characterized in that
It is additionally provided with location hole (16) in the link slot (17), locating rod (14) on the connecting plate (15), the locating rod (14) is logical
It crosses screw thread to connect with connecting plate (15), and locating rod (14) can be connect by screw thread with location hole (16).
6. the implementation method for preventing blade from fractureing when a kind of model plane low-latitude flying according to claim 1, which is characterized in that
The two sides of the blade (3) are equipped with protector (20), and the protector (20) is located at the outside of link block (4), the connection
The two sides of block (4) are all provided with there are two convex block (21), and two convex blocks (21) of link block (4) two sides are respectively positioned on the two sides of blade (3),
It being additionally provided with cross bar (19) on the convex block (21), cross bar (19) is connect by screw thread with convex block (21), rotary bar (19),
Cross bar (19) can be moved in protector (20).
7. the implementation method for preventing blade from fractureing when a kind of model plane low-latitude flying according to claim 1, which is characterized in that
The limited block (5) is spherical shape, and the limiting slot (8) is and limited block (5) matched arc groove.
8. the implementation method for preventing blade from fractureing when a kind of model plane low-latitude flying according to claim 1, which is characterized in that
Elastic force of the sum of the elastic force of second elastic component (11) less than the first elastic component (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811350784.5A CN109395411B (en) | 2018-11-14 | 2018-11-14 | A kind of implementation method for preventing blade from fractureing when model plane low-latitude flying |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811350784.5A CN109395411B (en) | 2018-11-14 | 2018-11-14 | A kind of implementation method for preventing blade from fractureing when model plane low-latitude flying |
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| Publication Number | Publication Date |
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| CN109395411A CN109395411A (en) | 2019-03-01 |
| CN109395411B true CN109395411B (en) | 2019-08-27 |
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| CN113868779B (en) * | 2021-12-02 | 2022-02-11 | 中国空气动力研究与发展中心计算空气动力研究所 | Propeller aircraft blade flying-off safety assessment method based on multidisciplinary coupling simulation |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87206145U (en) * | 1987-04-03 | 1988-02-24 | 任世钧 | Flying toy with various wings |
| US5019007A (en) * | 1990-07-09 | 1991-05-28 | Miller Jack V | Toy glider with variable dihedral wings |
| CN101653661B (en) * | 2009-09-24 | 2011-05-11 | 上海九鹰电子科技有限公司 | Propeller connector of electric-powered model airplane |
| CN101816837B (en) * | 2010-05-04 | 2012-08-15 | 张立岩 | Conveniently-disassembled model plane |
| DE202012100315U1 (en) * | 2012-01-31 | 2012-03-05 | Jacob-Formschaumtechnik Gmbh | Model aircraft ladder, in particular skid glider |
| CN103372322A (en) * | 2012-04-23 | 2013-10-30 | 上海美利达电子科技有限公司 | Model airplane propeller with protection structure |
| CN203564784U (en) * | 2013-08-13 | 2014-04-30 | 骅威科技股份有限公司 | Fixed-wing glider propeller anti-bump separation device and fixed-wing aircraft model |
| CN105620719B (en) * | 2016-03-16 | 2018-01-12 | 温州市腾方园林建设有限公司 | A kind of municipal gardens folding wings unmanned plane |
| CN205730366U (en) * | 2016-05-10 | 2016-11-30 | 舟山创智航模科技有限公司 | A kind of wing horizontal tail full dynamic formula aircraft model plane |
| CN108992933A (en) * | 2018-07-04 | 2018-12-14 | 烟台南山学院 | A kind of fixed-wing model airplane that wing can fold |
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