CN209479980U - A kind of cycloid paddle balance reaction torque helicopter - Google Patents
A kind of cycloid paddle balance reaction torque helicopter Download PDFInfo
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- CN209479980U CN209479980U CN201821930304.8U CN201821930304U CN209479980U CN 209479980 U CN209479980 U CN 209479980U CN 201821930304 U CN201821930304 U CN 201821930304U CN 209479980 U CN209479980 U CN 209479980U
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- China
- Prior art keywords
- cycloid
- coil holder
- bottom coil
- helicopter
- driven gear
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Abstract
The utility model discloses a kind of cycloid paddle balance reaction torque helicopters, include fuselage, rotor, engine, undercarriage, vertical fin and tail-rotor module；Tail-rotor module includes the first cycloid propeller, the second cycloid propeller that vertical fin two sides are arranged in；First cycloid propeller, the second cycloid propeller include upper mounting plate, lower installation board, central axis, driven gear, driving gear, cycloidal generator, upper cycloid frame, bottom coil holder, eccentric rod, hinge column, several displacement connecting rods and several blades.When work, amount of bias is arranged to eccentric rod, blade is made to all have the angle of attack in different rotary position, is formed always to the rotation status of a direction (adjustable) resultant force, it is final that the thrust of a certain fixed-direction of tail-rotor module, balancing helicopter reaction torque are provided.Cycloid propeller is applied to helicopter balance reaction torque by the utility model, and simple and reliable, light-weight, high-efficient, mobility strong, noise are low, vibration is low, highly-safe, have broad application prospects.
Description
Technical field
The utility model relates to aviation fields, and in particular to a kind of cycloid paddle balance reaction torque helicopter.
Background technique
On single-rotor helicopter, tail-rotor balances reaction torque caused by main rotor and the behaviour under all flying conditions
Vertical power.However, high-speed rotating tail-rotor in terms of safety, vibration and noise all there are many disadvantage, many researchs are devoted to
Cancel the tail rotor of exposure.
In addition, the research for cycloid propeller technology continue for longer time.Blade as lifting surface, the angle of attack with
Paddle disk rotation show continuous mechanical periodicity, this pitching movement substantially increases the pneumatic efficiency of cycloid propeller.In addition, by changing
The size of variable speed, thus it is possible to vary the size of cycloid propeller pulling force；And the direction by changing eccentric rod, thus it is possible to vary cycloid propeller is drawn
The direction of power, cycloid propeller are simple for the control of pulling force size and direction and efficient.
Based on this, the utility model by cycloid propeller apply to helicopter balance reaction torque, be simple and efficient, maneuvering performance is good,
Noise and vibration is low, light weight, highly-safe, has broad application prospects.
Utility model content
Problem to be solved in the utility model is for current single-rotor helicopter tail-rotor safety is low, noise and vibration is high
The problems such as, a kind of cycloid paddle balance reaction torque helicopter is provided.
The utility model uses following technical scheme in order to solve the above problem:
A kind of cycloid paddle balance reaction torque helicopter includes fuselage, rotor, engine, undercarriage, vertical fin and tail-rotor mould
Block；
In fuselage roof, the shaft of output shaft and the rotor is connected for engine setting；
The undercarriage is arranged in fuselage bottom, rises and falls for helicopter；
The vertical fin, tail-rotor module are arranged at afterbody, wherein the vertical fin is for increasing helicopter lateral stability
Property, the tail-rotor module is for balancing helicopter reaction torque and control helicopter yawing rotation；
The tail-rotor module includes the first cycloid propeller, the second cycloid propeller that vertical fin two sides are arranged in；
First cycloid propeller, the second cycloid propeller include upper mounting plate, lower installation board, central axis, driven gear, active
Gear, cycloidal generator, upper cycloid frame, bottom coil holder, eccentric rod, hinge column, several displacement connecting rods and several blades；
The upper mounting plate, lower installation board are arranged in parallel, wherein upper mounting plate is fixed on the vertical fin, lower installation board
It is fixed on the afterbody；
Described central axis one end is connected by bearing with the center of the bottom coil holder and passes through the bottom coil holder, another
End is connected by bearing with the center of the upper cycloid frame and passes through the upper cycloid frame, and the upper cycloid frame, bottom coil holder are flat
Row is arranged between upper mounting plate, lower installation board；
The blade includes leading edge, rear and adjustment axis, wherein the leading edge two sides are equipped with shaft, leading edge two sides
Shaft is on same straight line, and the side of the rear is equipped with and the axis hole for adjusting axis and matching；Described adjustment axis one end
It is inserted into the axis hole, can be rotated relatively freely by the axis hole and the blade, the other end stretches out the axis hole；
Several blades are uniformly arranged between the upper cycloid frame, bottom coil holder, the shaft of leading edge two sides respectively and
Upper cycloid frame, bottom coil holder are rotatedly connected, and enable the blade by the shaft of leading edge two sides in upper cycloid frame, hipline
It is freely rotated between frame；
The eccentric rod is arranged between upper mounting plate and upper cycloid frame, and one end and the central axis are pierced by cycloid frame
One end be connected, the other end is connected by the lower end surface of the hinge column and the upper mounting plate；The hinge column and it is described in
Mandrel is arranged in parallel；
The displacement connecting rod and the blade correspond, and one end and its one end for corresponding to blade adjustment axis stretching axis hole are solid
Even, the other end is and described hinged column articulated；
The bottom coil holder and driven gear coaxial arrangement, and the lower end surface of bottom coil holder and the driven gear
Upper surface is connected；
The lower end surface of the driven gear is rotatedly connected by the upper surface of bearing and the lower installation board；
The driven gear center is equipped with through-hole, and one end that the central axis passes through bottom coil holder passes through the driven gear
The through-hole at center and the lower installation board are connected；
The output shaft of the cycloidal generator and the shaft of driving gear are connected, and the driving gear and the driven gear are nibbled
It closes.
The utility model gives a kind of working method based on the cycloid paddle balance reaction torque helicopter, comprising following
Process:
The first cycloid propeller, the second pendulum are adjusted by the revolving speed of cycloidal generator in the first cycloid propeller of adjusting, the second cycloid propeller
The size of line paddle generation pulling force.
The utility model gives a kind of working method based on the cycloid paddle balance reaction torque helicopter, comprising following
Process:
The first cycloid propeller, the second pendulum are adjusted by the amount of bias of eccentric rod in the first cycloid propeller of adjusting, the second cycloid propeller
The direction of line paddle generation pulling force.
The utility model compared with the prior art by using the above technical solution, has following technical effect that
Cycloid propeller is applied to helicopter balance reaction torque by the utility model, simple and reliable, light-weight, high-efficient, motor-driven
Property is strong, noise and vibration is low, highly-safe.
Detailed description of the invention
Fig. 1 is the structural schematic diagram of the utility model；
Fig. 2 is the structural schematic diagram that tail-rotor in the utility model, the first cycloid propeller, the second cycloid propeller match；
Fig. 3 is the structural schematic diagram in the utility model on the first cycloid propeller at cycloid frame；
Fig. 4 is the structural schematic diagram in the utility model at the first cycloid propeller bottom coil holder；
Fig. 5 is that the first cycloid propeller generates the two-dimensional vector thrust variation schematic diagram different with its eccentric rod amount of bias.
In figure, 1- fuselage, 2- rotor, 3- tail-rotor module, 4- engine, 5- undercarriage, 6- vertical fin, 7- lower installation board, 8-
Blade, 9- bottom coil holder, 10- central axis, 11- displacement connecting rod, 12- eccentric rod, 13- upper mounting plate, 14- driven gear.
Specific embodiment
The technical solution of the utility model is described in further detail with reference to the accompanying drawing:
As shown in Figure 1, including fuselage, rotor, hair the utility model discloses a kind of cycloid paddle balance reaction torque helicopter
Motivation, undercarriage, vertical fin and tail-rotor module；
In fuselage roof, the shaft of output shaft and the rotor is connected for engine setting；
The undercarriage is arranged in fuselage bottom, rises and falls for helicopter；
The vertical fin, tail-rotor module are arranged at afterbody, wherein the vertical fin is for increasing helicopter lateral stability
Property, the tail-rotor module is for balancing helicopter reaction torque and control helicopter yawing rotation.
As shown in Fig. 2, the tail-rotor module includes the first cycloid propeller, the second cycloid propeller that vertical fin two sides are arranged in.
As shown in figure 3, first cycloid propeller, the second cycloid propeller include upper mounting plate, lower installation board, central axis, from
Moving gear, driving gear, cycloidal generator, upper cycloid frame, bottom coil holder, eccentric rod, hinge column, several displacement connecting rods and several paddles
Leaf；
The upper mounting plate, lower installation board are arranged in parallel, wherein upper mounting plate is fixed on the vertical fin, lower installation board
It is fixed on the afterbody；
Described central axis one end is connected by bearing with the center of the bottom coil holder and passes through the bottom coil holder, another
End is connected by bearing with the center of the upper cycloid frame and passes through the upper cycloid frame, and the upper cycloid frame, bottom coil holder are flat
Row is arranged between upper mounting plate, lower installation board；
The blade includes leading edge, rear and adjustment axis, wherein the leading edge two sides are equipped with shaft, leading edge two sides
Shaft is on same straight line, and the side of the rear is equipped with and the axis hole for adjusting axis and matching；Described adjustment axis one end
It is inserted into the axis hole, can be rotated relatively freely by the axis hole and the blade, the other end stretches out the axis hole；
Several blades are uniformly arranged between the upper cycloid frame, bottom coil holder, the shaft of leading edge two sides respectively and
Upper cycloid frame, bottom coil holder are rotatedly connected, and enable the blade by the shaft of leading edge two sides in upper cycloid frame, hipline
It is freely rotated between frame；
The eccentric rod is arranged between upper mounting plate and upper cycloid frame, and one end and the central axis are pierced by cycloid frame
One end be connected, the other end is connected by the lower end surface of the hinge column and the upper mounting plate；The hinge column and it is described in
Mandrel is arranged in parallel；
The displacement connecting rod and the blade correspond, and one end and its one end for corresponding to blade adjustment axis stretching axis hole are solid
Even, the other end is and described hinged column articulated.
As shown in figure 4, the bottom coil holder and driven gear coaxial arrangement, and the lower end surface of bottom coil holder and described
The upper surface of driven gear is connected；
The lower end surface of the driven gear is rotatedly connected by the upper surface of bearing and the lower installation board；
The driven gear center is equipped with through-hole, and one end that the central axis passes through bottom coil holder passes through the driven gear
The through-hole at center and the lower installation board are connected；
The output shaft of the cycloidal generator and the shaft of driving gear are connected, and the driving gear and the driven gear are nibbled
It closes.
When the first cycloid propeller, the work of the second cycloid propeller, cycloidal generator drives driving gear to drive driven gear and then drives
The rotation of bottom coil holder, bottom coil holder drive upper cycloid frame to rotate further through each blade, and each blade is revolving around central axis
Meanwhile vertical dip mining is done by the driving of displacement connecting rod.
The utility model, which can be realized each blade, has the optimal angle of attack in different rotary position, and the size of the angle of attack takes
Certainly in the size of the amount of bias of eccentric rod.If the amount of bias of eccentric rod be it is certain, each blade is if the angle of attack of different location
It is also certain.
The first cycloid propeller, the second pendulum are adjusted by the revolving speed of cycloidal generator in the first cycloid propeller of adjusting, the second cycloid propeller
The size of line paddle generation pulling force.
The first cycloid propeller, the second pendulum are adjusted by the amount of bias of eccentric rod in the first cycloid propeller of adjusting, the second cycloid propeller
The direction of line paddle generation pulling force.
Therefore the utility model has excellent mobility and maneuverability.
Cycloid propeller two-dimensional vector thrust control schematic diagram in the utility model is as shown in Figure 5.
The cycloid propeller parallelly distribute on of the left and right two, thrust direction is identical, collective effect, with balancing helicopter reaction torque.
Those skilled in the art can understand that unless otherwise defined, all terms used herein (including skill
Art term and scientific term) there is meaning identical with the general understanding of those of ordinary skill in the utility model fields
Justice.It should also be understood that those terms such as defined in the general dictionary should be understood that with upper with the prior art
The consistent meaning of meaning hereinafter, and unless defined as here, will not with idealization or meaning too formal come
It explains.
Claims (1)
1. a kind of cycloid paddle balance reaction torque helicopter, which is characterized in that include fuselage, rotor, engine, undercarriage, vertical fin
With tail-rotor module；
In fuselage roof, the shaft of output shaft and the rotor is connected for engine setting；
The undercarriage is arranged in fuselage bottom, rises and falls for helicopter；
The vertical fin, tail-rotor module are arranged at afterbody, wherein and the vertical fin is used to increase helicopter lateral stability,
The tail-rotor module is for balancing helicopter reaction torque and control helicopter yawing rotation；
The tail-rotor module includes the first cycloid propeller, the second cycloid propeller that vertical fin two sides are arranged in；
First cycloid propeller, the second cycloid propeller include upper mounting plate, lower installation board, central axis, driven gear, driving tooth
Wheel, cycloidal generator, upper cycloid frame, bottom coil holder, eccentric rod, hinge column, several displacement connecting rods and several blades；
The upper mounting plate, lower installation board are arranged in parallel, wherein upper mounting plate is fixed on the vertical fin, and lower installation board is fixed
In the afterbody；
Described central axis one end is connected with the center of the bottom coil holder by bearing and passes through the bottom coil holder, the other end and
The center of the upper cycloid frame is connected by bearing and passes through the upper cycloid frame, and the upper cycloid frame, bottom coil holder are set in parallel
It sets between upper mounting plate, lower installation board；
The blade includes leading edge, rear and adjustment axis, wherein the leading edge two sides are equipped with the shaft of shaft, leading edge two sides
On same straight line, the side of the rear is equipped with and the axis hole for adjusting axis and matching；Adjustment axis one end insertion
The axis hole can be rotated relatively freely by the axis hole and the blade, and the other end stretches out the axis hole；
Several blades are uniformly arranged between the upper cycloid frame, bottom coil holder, the shaft of leading edge two sides respectively with upper pendulum
Coil holder, bottom coil holder are rotatedly connected, enable the blade by the shafts of leading edge two sides upper cycloid frame, bottom coil holder it
Between be freely rotated；
The eccentric rod is arranged between upper mounting plate and upper cycloid frame, and one end and the central axis are pierced by the one of cycloid frame
End is connected, and the other end is connected by the lower end surface of the hinge column and the upper mounting plate；The hinge column and the central axis
It is arranged in parallel；
The displacement connecting rod and the blade correspond, and one end and its one end for corresponding to blade adjustment axis stretching axis hole are connected,
The other end is and described hinged column articulated；
The bottom coil holder and driven gear coaxial arrangement, and the upper end of the lower end surface of bottom coil holder and the driven gear
Face is connected；
The lower end surface of the driven gear is rotatedly connected by the upper surface of bearing and the lower installation board；
The driven gear center is equipped with through-hole, and one end that the central axis passes through bottom coil holder passes through the driven gear center
Through-hole and the lower installation board be connected；
The output shaft of the cycloidal generator and the shaft of driving gear are connected, the driving gear and driven gear engagement.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821930304.8U CN209479980U (en) | 2018-11-22 | 2018-11-22 | A kind of cycloid paddle balance reaction torque helicopter |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201821930304.8U CN209479980U (en) | 2018-11-22 | 2018-11-22 | A kind of cycloid paddle balance reaction torque helicopter |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN209479980U true CN209479980U (en) | 2019-10-11 |
Family
ID=68116285
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201821930304.8U Expired - Fee Related CN209479980U (en) | 2018-11-22 | 2018-11-22 | A kind of cycloid paddle balance reaction torque helicopter |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN209479980U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109383792A (en) * | 2018-11-22 | 2019-02-26 | 南京航空航天大学 | A kind of cycloid paddle balance reaction torque helicopter and its working method |
-
2018
- 2018-11-22 CN CN201821930304.8U patent/CN209479980U/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109383792A (en) * | 2018-11-22 | 2019-02-26 | 南京航空航天大学 | A kind of cycloid paddle balance reaction torque helicopter and its working method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20191011 Termination date: 20211122 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |