CN1254297C - Coaxile reverse rotating type radio controlled vertiplane - Google Patents
Coaxile reverse rotating type radio controlled vertiplane Download PDFInfo
- Publication number
- CN1254297C CN1254297C CN 200310100743 CN200310100743A CN1254297C CN 1254297 C CN1254297 C CN 1254297C CN 200310100743 CN200310100743 CN 200310100743 CN 200310100743 A CN200310100743 A CN 200310100743A CN 1254297 C CN1254297 C CN 1254297C
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- fin
- post
- rotor head
- helicopter
- wobbler
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Abstract
To provide a coaxial contrarotating radio controlled (R/C) helicopter having maneuverability and operationality sufficient for enjoying manipulating the R/C helicopter indoors by constituting a simple mechanism for driving and controlling rotors. This coaxial contrarotating R/C helicopter is equipped with a swash plate comprising a lower plate, mounted to move around the rotary axis of a mast in a direction to intersect the rotary axis by a geared motor, and an upper plate which is mounted on the central opening part of the lower plate through a bearing and is connected with the lower plate through a blade holder and a control arm slantingly connected to the mast. The rotational surfaces of the lower blades is tilted by the control arm in conjunction with the movement of the swash plate in the direction to intersect the rotary axis of the mast. As a result, a moving direction of the aircraft is controlled. The flight posture of the aircraft is controlled by interlocking rotations made by an upper rotor head and a stabilizer. (C)2004,JPO.
Description
[technical field]
The present invention relates to will be mutually round about the rotor head up and down of rotation be configured in coaxial coaxial reverse formula radio control helicopter (below be referred to as the R/C helicopter).
[background technology]
Usually, the structure of coaxial reverse formula helicopter is, upside rotor head and downside rotor head are configured on the fuselage coaxially, by making rotor rotation round about mutually up and down, realizes the generation of lift and the counteracting of torque simultaneously.In addition, by changing the direction control of the head that tail undercarriage carries out, the helical angle of rotor changes simultaneously round about via distinguishing the corresponding wobbler that is provided with it by making up and down, keeping under the constant situation of lift summation, the balance of destruction torque is carried out (for example with reference to patent documentation 1).
Patent documentation 1
Te Kaiping 1-101297 communique
Coaxial reverse formula helicopter, utilize aforementioned structure, have owing to do not want tail undercarriage, can dwindle the full-size of fuselage, the rotation of rotor all utilizes buoyancy, so efficient height, can hover in complete horizontal state, the rotation of left and right directions rudder is along lot of advantages such as cunnings, but conversely, because the rotor up and down of rotation disposes coaxially round about, so, exist the driving of rotor and the mechanism of control usefulness and become complicated, maintainability and exercise performance are than problems such as single rotary wind type helicopter differences.Therefore, the example that adopts is seldom being arranged on the machine of reality on the R/C helicopter.
But, under the situation of the indoor indoor R/C helicopter of enjoying manipulation, might not need high-speed flight and aerobatics performance, for the user, stable hovers and correct start, guarantees that particularly the security of handling is prior.
[summary of the invention]
Therefore, the present invention is in view of problems of the prior art, its objective is, obtain the mechanism of a kind of driving that is configured for rotor simply and control usefulness, have the coaxial reverse formula R/C helicopter of abundant exercise and operating characteristics for manipulation at indoor enjoyment R/C helicopter.
In order to solve aforementioned problems, the invention provides a kind of coaxial reverse formula radio control helicopter, in the coaxial reverse formula radio control helicopter that the rotor head up and down that will rotate round about mutually disposes coaxially, it is characterized in that, it constitutes: will fascinate with respect to post at the stabilizer bar that installation counterweight in the both sides of barred body forms and be installed in the upper end of post freely, and this stabilizer bar is mounted to the intersecting angle ground that can keep with respect to the fin of upside rotor head suiting to be connected with the upside rotor head stabilizer bar integratedly rotatably with this fin with connecting rod, on the wobbler of the fin tilting equipment of being located at fuselage, aforementioned upside rotor head and stabilizer bar do not connect, connect the downside rotor head, make aforementioned wobbler work, thus the inclination of the surfaces of revolution of the fin of control downside rotor head.
In addition, coaxial reverse formula R/C helicopter of the present invention, it is characterized by, it be configured to comprise by by geared motor around the rotating shaft of post to the direction that described rotating shaft intersects lower plate of installing and the central opening portion that is installed in lower plate by bearing with moving freely on, the wobbler that constitutes of upper plate by the fin retainer that can freely be connected and control arm connection with respect to post with fascinating, be accompanied by moving of direction that wobbler intersects to the rotating shaft with post, control arm fascinates the fin retainer to constitute the fin tilting equipment.
In addition, coaxial reverse formula R/C helicopter of the present invention, it is characterized by, it comprises: the angular speed measured signal of yaw axis control signal and yaw axis is compared, switch the reference pulse that drives the upside rotor and the sidespin wing respectively according to its result, be generated to two yaw axis control circuits on the rotor drive circuit.
In addition, coaxial reverse formula R/C helicopter of the present invention is in indoor use, last lower panel forms with the excellent and safe foamed styrene sheet of response in light weight, in addition, for relax be installed to stabilizer on the impact of counterweight when contacting, preferably adopt soft rubber.
According to the present invention, rotor driving and controlling organization are simple, can constitute the coaxial reverse formula R/C helicopter with abundant exercise performance and operability.
[description of drawings]
Fig. 1, be the outside drawing of the R/C helicopter of a kind of form of implementation of the present invention of seeing during from oblique forward observation.
Fig. 2, be the outside drawing of major part at the oblique rear of R/C helicopter.
Fig. 3, be that the rotor head up and down that will constitute the R/C helicopter partly launches the diagram represented.
Fig. 4 (A)-(C), be the diagram that the work of explanation rotor head and stabilizer bar is employed.
Fig. 5 (A)-(B), be the diagram that the work of the wobbler of explanation in elevator operation is employed.
Fig. 6 (A)-(B), be the diagram that the work of the wobbler of explanation in aileron operation is employed.
Fig. 7 (A)-(C), be the diagram that is used for illustrating the state that the surfaces of revolution at the fin of elevator operation tilts.
Fig. 8, be the diagram of the structure example of expression yaw axis control circuit.
Symbol description
The 1R/C helicopter, 2 fuselages, 3 posts, 31 outer jack-posts, jack-post in 32,4 upside rotor heads, 41 fins, 42 retainers, 43 fin retainers, 5 downside rotor heads, 51 fins, 52 retainers, 53 fin retainers, 54 yokes, 6 fin tilting equipments, 61 wobblers, 62 lower plates, 63 upper plates, 64 control arms, 7 stabilizer bars, 71 connecting rods, 8 prevent the overturning leg.
[specific embodiment]
The preferred embodiment of the present invention is described with reference to the accompanying drawings.
Fig. 1 is the outward appearance of the R/C helicopter of a kind of form of implementation of the present invention of seeing during from oblique forward observation, Fig. 2 is the outward appearance of the major part seen when observing from oblique rear of expression, among the figure, label 1 is the R/C helicopter, the 2nd, and fuselage, the 3rd, post, the 4th, upside rotor head, the 5th, downside rotor head, the 6th, fin tilting equipment, the 7th, stabilizer, the 8th, what be installed in fuselage bottom prevents the overturning leg detachable.
As shown in Figure 3, post 3 is made of jack-post 31 outside the hollow of giving prominence to upward from fuselage 2 inside and the interior jack-post 32 that passes its inner hollow.Outer jack-post 31, its underpart is connected with the driving shaft of the downside rotor that is equipped in fuselage interior with the motor (not shown) via gear 31a, downside rotor head 5 portions mounted thereto.Interior jack-post 32 is connected via gear the bottom with the driving shaft of the upside rotor head that is equipped in fuselage interior with the motor (not shown), upside rotor head 4 and stabilizer 7 portions mounted thereto.
The fin 41 that upside rotor head 4 is made of left and right sides fin 41a, 41a, be fixed on the retainer 42,42 on the base end part of left and right sides fin 41a, 41a, retainer 42,42 be fixed on the fin retainer 43 that is connected integrally on two sidepieces, with fin 41 and interior jack-post 32 constitute.Left and right sides fin 41a, 41a are with the both sides of fixing fixed angle at fin retainer 43.Upside rotor head 4 can not swingingly be connected fin retainer 43 on the periphery of the center hub 32a on the upper end of being fixed in interior jack-post 32, installing with the mode that interior jack-post 32 rotates integrally.Fin 41 is bearing on the upper end of interior jack-post 32 integrally with the helical angle of regulation.
Downside rotor head 5, the fin 51 that constitutes by left and right sides fin 51a, 51a, be fixed on the retainer 52,52 on the base end part of left and right sides fin 51a, 51a, retainer 52,52 be fixed on the fin retainer 53 that connects integrally on two sidepieces, with left and right sides fin 51a, 51a constitute.Left and right sides fin 51a, 51a arrive the both sides of fin retainer 53 with the fixed angle of regulation.Downside rotor head 5, with pin 54a 53 of fin retainers are installed on the side face of outer jack-post 31 with supporting, can integrally being installed on the periphery of yoke 54, realize rotating with outer jack-post 31 to the fascinate mode of suitable angle of the direction vertical with the axial direction of outer jack-post 31 with being integral.In addition, downside rotor head 5 fascinates integrally by making fin retainer 53 and yoke 54, can increase and decrease the angle of fin 51 with respect to the surfaces of revolution of outer jack-post 31.
In more detail, wobbler 61 passes in peristome 62a, the 63a of two plates post 3, be configured in overlappingly fuselage 2 frame 21 above.Lower plate 62, on two ends via slotted hole 62b and opening 62c, can pivot in the slotted hole 62b with rotating freely start plate 65a on the action shaft that is fixed in the elevator geared motor is installed, in opening 62c, can pivot with rotating freely start plate 65b on the action shaft that is fixed in the aileron geared motor is installed, and drive two geared motors, start plate 65a, start plate 65b respectively around the driving shaft rotation displacement to be accompanied by, can install in the mode that around the rotating shaft of post 3, moves to the direction of intersecting with this rotating shaft.Upper plate 63, its underpart is embedded in the peristome 62a of lower plate 62 via bearing 66, when the mode that can rotate abreast with the rotating shaft with post 3 on lower plate 62 is supported, when lower plate is shifted, can install movably in the rotating shaft slip around of post 3 with described plate.In addition, control arm 64 can rotate freely ground axle suspension on the leg 53a of fin retainer 53, when the direction of intersecting along the rotating shaft with post 3 when control arm 64 is shifted, according to the direction of this displacement and the amount of displacement fin retainer 53 is fascinated with respect to post 3.
Thereby, when upper plate 63 slides with lower plate 62, it also slides integrally with the control arm 64 that is connected on the end of upper plate 63, accompany therewith, fin retainer 53 fascinates with respect to post 3, whereby, the surfaces of revolution of downside fin 51 is regulated its direction and angle according to the moving direction and the amount of movement of wobbler 61.
In addition, the driving shaft of elevator geared motor and aileron geared motor be arranged in parallel with the rotating shaft of post 3.
In addition, make the motor of aforementioned up and down rotor rotation and elevator geared motor, aileron geared motor respectively, by not shown control circuit and drive circuit, one side is accepted from the next detection signal of various sensors such as gyroscope and acceleration transducer, and one side is controlled its driving according to the operation signal that comes from operator.
Secondly, the start to the R/C helicopter 1 of this structure describes.
When utilizing drive circuit to make the CD-ROM drive motor rotation of rotor up and down, the revolving force of each driving shaft passes to upside rotor head 4 and downside rotor head 5 via outer jack-post 32 and interior jack-post 31, the rotation round about respectively of last lower panel 41,51, make it to produce the necessary lift of flight, fuselage 2 is risen.The rising of fuselage 2 and the control of decline are undertaken by the rotation output of regulating lower panel 41,51.
In flight course, when the posture of fuselage 2 tilted for a certain reason, fuselage 2 is configured in the upside rotor head 4 at center by fulcrum and the rotation of stabilizer bar 7 is mechanically controlled, and keeps its stable posture.
As shown in Figure 4, at the state of flat-hand position flight, stabilizer bar 7 and the 41 parallel rotations (same Fig. 4 (A)) linkedly of upside fin.When stabilizer bar 7 tilts for a certain reason (same Fig. 4 (B), (C)), tilt via connecting rod 71 fins 41, whereby, play a part to become parallel with stabilizer bar 7.Promptly, if do not carry out any control, 4 rotations of upside rotor head from the outside, centrifugal force produces the effect that automatically rotor head is remained on level, when tilting owing to external factor fuselage 2, stabilizer bar 7 maintenance levels, fin 41 plays a part the correction rudder of level that the posture of fuselage 2 is modified to, can be with fuselage 2 maintenance levels.
In addition, the control of the moving direction all around of fuselage 2, the surfaces of revolution that is connected the fin 51 of the downside rotor head 5 on the wobbler 61 by adjusting carries out.
The form of the start of the wobbler 61 when Fig. 5 and Fig. 6 are the moving directions of expression control fuselage 2.
Shown in Fig. 5 (A), during the elevator neutral, post 3 is positioned at the center of the peristome of wobbler 61, and at this moment, the surfaces of revolution of fin 51 is direction inclination (Fig. 7 (A)) forwards, backwards not.Shown in Fig. 5 (B), make start plate 65a rotation when driving the elevator geared motor, make wobbler 61 when the arrow A direction moves, interlock, the control arm 64 that is connected on the upper plate 63 fascinate fin retainer 53 with it, fin 51 also fascinate (Fig. 7 (B)), so, fuselage 2 is advanced.If make wobbler 61 to aforementioned side when mobile in the opposite direction, the surfaces of revolution of fin 51 fascinates (Fig. 7 (C)) round about, and fuselage 2 is retreated.
In addition, shown in Fig. 6 (A), during the aileron neutral, post 3 is positioned at the center of the peristome of wobbler 61, and at this moment, the surfaces of revolution of fin 51 is direction inclination to the left and right not.When fuselage 2 is moved to the left, shown in Fig. 6 (B), when driving the aileron geared motor, rotation start plate 65b, make wobbler 61 when the arrow B direction moves, the control arm 64 that is connected on the upper plate 63 fascinates fin retainer 53, because the surfaces of revolution of fin 51 also fascinates, so, fuselage 2 is moved to the left.If wobbler 61 is moved to direction in contrast to this, the surfaces of revolution of fin 51 fascinates round about, and fuselage 2 is moved right.
Promptly, as Fig. 5 and shown in Figure 6, drive elevator geared motor and aileron geared motor, wobbler 61 is moved, whereby, the center of the post 3 of the peristome by being positioned at wobbler 61 relatively is displaced to the shift position that the surfaces of revolution of fin 51 fascinates, the surfaces of revolution of fin 51 is tilted to required direction, can control the moving direction of fuselage 2.
In addition,, regulate the rotation output (revolution) of upside rotor head 4 and downside rotor head 5, can control in the mode of the torque of offsetting mutual adverse effect by the yaw axis control circuit as the axial control of driftage of the direction of the head of fuselage 2.
Fig. 8 represents the structure of yaw axis control circuit.This circuit will control yaw axis signal and with angular-rate sensor measure yaw axis angular speed, with the proportional sensor output signal of this measured value, be input in the comparison amplifying circuit.At amplifying circuit relatively, two input signals relatively as selecting signal, output to the signal that amplifies this difference value in the pulse commutation circuit.In the pulse commutation circuit, with aforementioned selection signal together, input reference pulse 1 respectively, reference pulse 2, and reference pulse 3, wherein, reference pulse 1 by control as the anti-torque of the power 1 of upside rotor head 4 and the power 1 when identical as the anti-torque of the power 2 of downside rotor head 5,2 pulse constitutes, (or the pulse of the power 1 (or power 2) when (power 1) constitutes reference pulse 2, and the pulse of reference pulse 3 power 2 (or power 1) during greater than the anti-torque of power 2 (or power 1) by the anti-torque of control power 1 (or power 2) constitutes greater than power 2 by the anti-torque of control power 1 (or power 2).And, in the pulse commutation circuit, according to selection signal by the input of comparison amplifying circuit, suitably select aforementioned reference pulse 1,2,3, output in power drive circuit 1 and the power drive circuit 2, whereby, regulate the rotation of rotor, carry out the control of yaw axis in the mode of offsetting anti-torque.
Claims (3)
1. coaxial reverse formula radio control helicopter in will the coaxial reverse formula radio control helicopter that the rotor head up and down of rotation disposes coaxially round about mutually, is characterized in that it constitutes:
To fascinate with respect to post at the stabilizer bar that installation counterweight in the both sides of barred body forms and be installed in the upper end of post freely, and this stabilizer bar is mounted to the intersecting angle ground that can keep with respect to the fin of upside rotor head suiting to be connected with the upside rotor head stabilizer bar integratedly rotatably with this fin with connecting rod
On the wobbler of the fin tilting equipment of being located at fuselage, aforementioned upside rotor head and stabilizer bar do not connect, and connect the downside rotor head, make aforementioned wobbler work, thus the inclination of the surfaces of revolution of the fin of control downside rotor head.
2. coaxial reverse formula radio control helicopter as claimed in claim 1, it is characterized in that, it constitutes: comprise by by geared motor around the rotating shaft of post in lower plate that the direction of intersecting with described rotating shaft is installed with moving freely and the central opening portion that is installed in lower plate by bearing, the wobbler that the upper plate that connects by the fin retainer that can be freely with respect to post connects and control arm constitutes with fascinating, be accompanied by moving of direction that wobbler intersects to the rotating shaft with post, control arm fascinates the fin retainer to constitute the fin tilting equipment.
3. coaxial reverse formula radio control helicopter as claimed in claim 1 or 2, it is characterized in that, it comprises: the angular speed measured signal of yaw axis control signal and yaw axis is compared, drive the reference pulse of upside rotor and downside rotor respectively according to its result's switching, and output to two yaw axis control circuits on the rotor drive circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200310100743 CN1254297C (en) | 2002-10-06 | 2003-10-08 | Coaxile reverse rotating type radio controlled vertiplane |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP327573/02 | 2002-10-06 | ||
| JP327573/2002 | 2002-10-06 | ||
| CN 200310100743 CN1254297C (en) | 2002-10-06 | 2003-10-08 | Coaxile reverse rotating type radio controlled vertiplane |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1496923A CN1496923A (en) | 2004-05-19 |
| CN1254297C true CN1254297C (en) | 2006-05-03 |
Family
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200310100743 Ceased CN1254297C (en) | 2002-10-06 | 2003-10-08 | Coaxile reverse rotating type radio controlled vertiplane |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1254297C (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101433766B (en) * | 2007-11-16 | 2012-01-04 | 上海九鹰电子科技有限公司 | Counterbalance system of remote-control model helicopter |
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| US7883392B2 (en) | 2008-08-04 | 2011-02-08 | Silverlit Toys Manufactory Ltd. | Toy helicopter |
| US8357023B2 (en) | 2006-01-19 | 2013-01-22 | Silverlit Limited | Helicopter |
| US7815482B2 (en) | 2006-01-19 | 2010-10-19 | Silverlit Toys Manufactory, Ltd. | Helicopter |
| US8002604B2 (en) | 2006-01-19 | 2011-08-23 | Silverlit Limited | Remote controlled toy helicopter |
| US7662013B2 (en) * | 2006-01-19 | 2010-02-16 | Silverlit Toys Manufactory Ltd. | Helicopter with horizontal control |
| BE1016960A3 (en) | 2006-01-19 | 2007-11-06 | Rostyne Alexander Jozef Magdal | IMPROVED HELICOPTER. |
| CN201091794Y (en) * | 2007-08-08 | 2008-07-30 | 徐文宇 | Remote control helicopter |
| US8702466B2 (en) | 2008-07-02 | 2014-04-22 | Asian Express Holdings Limited | Model helicopter |
| CN101773736B (en) | 2009-12-31 | 2011-07-13 | 罗之洪 | Two-rotor model helicopter control system |
| CN104139855B (en) * | 2014-07-15 | 2016-03-02 | 北京航空航天大学 | A kind of directional control system for co-axial helicopter |
| CN106184735B (en) * | 2016-08-23 | 2018-10-12 | 湖南省库塔科技有限公司 | Helicopter and its rotor driver |
| CN106167092B (en) * | 2016-08-23 | 2018-10-12 | 湖南省库塔科技有限公司 | A kind of coaxal helicopter and its rotor system |
| CN107521680A (en) * | 2017-07-26 | 2017-12-29 | 北京理工大学 | A kind of active wind resistance coaxal helicopter and active wind resistance attitude control method |
| CN109334966A (en) * | 2018-09-17 | 2019-02-15 | 株洲格斯特动力机械有限责任公司 | Rotation coaxial double-rotary wing lift unit and the rotation coaxial double-rotary wing machine for applying it |
-
2003
- 2003-10-08 CN CN 200310100743 patent/CN1254297C/en not_active Ceased
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101433766B (en) * | 2007-11-16 | 2012-01-04 | 上海九鹰电子科技有限公司 | Counterbalance system of remote-control model helicopter |
Also Published As
| Publication number | Publication date |
|---|---|
| CN1496923A (en) | 2004-05-19 |
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