CN109383792A - A kind of cycloid paddle balance reaction torque helicopter and its working method - Google Patents

A kind of cycloid paddle balance reaction torque helicopter and its working method Download PDF

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Publication number
CN109383792A
CN109383792A CN201811397473.4A CN201811397473A CN109383792A CN 109383792 A CN109383792 A CN 109383792A CN 201811397473 A CN201811397473 A CN 201811397473A CN 109383792 A CN109383792 A CN 109383792A
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CN
China
Prior art keywords
cycloid
helicopter
coil holder
propeller
bottom coil
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201811397473.4A
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Chinese (zh)
Inventor
陈建炜
朱清华
王坤
申遂愿
招启军
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Nanjing University of Aeronautics and Astronautics
Original Assignee
Nanjing University of Aeronautics and Astronautics
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Nanjing University of Aeronautics and Astronautics filed Critical Nanjing University of Aeronautics and Astronautics
Priority to CN201811397473.4A priority Critical patent/CN109383792A/en
Publication of CN109383792A publication Critical patent/CN109383792A/en
Pending legal-status Critical Current

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Classifications

    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64CAEROPLANES; HELICOPTERS
    • B64C27/00Rotorcraft; Rotors peculiar thereto
    • B64C27/82Rotorcraft; Rotors peculiar thereto characterised by the provision of an auxiliary rotor or fluid-jet device for counter-balancing lifting rotor torque or changing direction of rotorcraft
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64CAEROPLANES; HELICOPTERS
    • B64C27/00Rotorcraft; Rotors peculiar thereto
    • B64C27/82Rotorcraft; Rotors peculiar thereto characterised by the provision of an auxiliary rotor or fluid-jet device for counter-balancing lifting rotor torque or changing direction of rotorcraft
    • B64C2027/8209Electrically driven tail rotors
    • BPERFORMING OPERATIONS; TRANSPORTING
    • B64AIRCRAFT; AVIATION; COSMONAUTICS
    • B64CAEROPLANES; HELICOPTERS
    • B64C27/00Rotorcraft; Rotors peculiar thereto
    • B64C27/82Rotorcraft; Rotors peculiar thereto characterised by the provision of an auxiliary rotor or fluid-jet device for counter-balancing lifting rotor torque or changing direction of rotorcraft
    • B64C2027/8227Rotorcraft; Rotors peculiar thereto characterised by the provision of an auxiliary rotor or fluid-jet device for counter-balancing lifting rotor torque or changing direction of rotorcraft comprising more than one rotor

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Aviation & Aerospace Engineering (AREA)
  • Toys (AREA)

Abstract

The invention discloses a kind of cycloid paddle balance reaction torque helicopter and its working method, helicopter includes 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 present invention, and simple and reliable, light-weight, high-efficient, mobility strong, noise are low, vibration is low, highly-safe, have broad application prospects.

Description

A kind of cycloid paddle balance reaction torque helicopter and its working method
Technical field
The present invention relates to aviation fields, and in particular to a kind of cycloid paddle balance reaction torque helicopter and its working method.
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, cycloid propeller is applied to helicopter balance reaction torque by the present invention, is simple and efficient, maneuvering performance is good, noise Low, light weight, highly-safe is vibrated, is had broad application prospects.
Summary of the invention
Problem to be solved by this invention is asked for current single-rotor helicopter tail-rotor safety is low, noise and vibration is high etc. Topic provides a kind of cycloid paddle balance reaction torque helicopter and its working method.
The present invention 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 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.
The present invention gives a kind of working method based on the cycloid paddle balance reaction torque helicopter, includes following mistake Journey:
The first cycloid propeller, the second cycloid propeller are adjusted by the revolving speed of cycloidal generator in the first cycloid propeller of adjusting, the second cycloid propeller Generate the size of pulling force.
The present invention gives a kind of working method based on the cycloid paddle balance reaction torque helicopter, includes following mistake Journey:
The first cycloid propeller, the second cycloid propeller are adjusted by the amount of bias of eccentric rod in the first cycloid propeller of adjusting, the second cycloid propeller Generate the direction of pulling force.
The invention adopts the above technical scheme compared with prior art, has following technical effect that
Cycloid propeller is applied to helicopter balance reaction torque, simple and reliable, light-weight, high-efficient, mobility strong, noise by the present invention It vibrates low, highly-safe.
Detailed description of the invention
Fig. 1 is structural schematic diagram of the invention;
Fig. 2 is the structural schematic diagram that tail-rotor in the present invention, the first cycloid propeller, the second cycloid propeller match;
Fig. 3 is the structural schematic diagram in the present invention on the first cycloid propeller at cycloid frame;
Fig. 4 is the structural schematic diagram in the present invention 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
Technical solution of the present invention is described in further detail with reference to the accompanying drawing:
As shown in Figure 1, comprising fuselage, rotor, engine, being risen the invention discloses a kind of cycloid paddle balance reaction torque helicopter Fall frame, 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 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.
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, 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.
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 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.
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 present invention, which can be realized each blade, has the optimal angle of attack in different rotary position, and the size of the angle of attack depends on 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 also if the angle of attack of different location 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 present invention has excellent mobility and maneuverability.
Cycloid propeller two-dimensional vector thrust control schematic diagram in the present invention 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 fields of the present invention.Also It should be understood that those terms such as defined in the general dictionary should be understood that have in the context of the prior art The consistent meaning of meaning will not be explained in an idealized or overly formal meaning and unless defined as here.
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 limited to this hair the foregoing is merely a specific embodiment of the invention Bright, all within the spirits and principles of the present invention, any modification, equivalent substitution, improvement and etc. done should be included in the present invention Protection scope within.

Claims (3)

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.
2. based on the working method described in claim 1 based on the cycloid paddle balance reaction torque helicopter, which is characterized in that packet Containing following procedure:
The first cycloid propeller, the second cycloid propeller are adjusted by the revolving speed of cycloidal generator in the first cycloid propeller of adjusting, the second cycloid propeller Generate the size of pulling force.
3. based on the working method described in claim 1 based on the cycloid paddle balance reaction torque helicopter, which is characterized in that packet Containing following procedure:
The first cycloid propeller, the second cycloid propeller are adjusted by the amount of bias of eccentric rod in the first cycloid propeller of adjusting, the second cycloid propeller Generate the direction of pulling force.
CN201811397473.4A 2018-11-22 2018-11-22 A kind of cycloid paddle balance reaction torque helicopter and its working method Pending CN109383792A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN201811397473.4A CN109383792A (en) 2018-11-22 2018-11-22 A kind of cycloid paddle balance reaction torque helicopter and its working method

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201811397473.4A CN109383792A (en) 2018-11-22 2018-11-22 A kind of cycloid paddle balance reaction torque helicopter and its working method

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220411089A1 (en) * 2021-06-29 2022-12-29 Beta Air, Llc Electric aircraft for generating a yaw force

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108674654A (en) * 2018-04-19 2018-10-19 南京航空航天大学 A kind of cycloid propeller-propeller combined high-speed aircraft
CN209479980U (en) * 2018-11-22 2019-10-11 南京航空航天大学 A kind of cycloid paddle balance reaction torque helicopter

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108674654A (en) * 2018-04-19 2018-10-19 南京航空航天大学 A kind of cycloid propeller-propeller combined high-speed aircraft
CN209479980U (en) * 2018-11-22 2019-10-11 南京航空航天大学 A kind of cycloid paddle balance reaction torque helicopter

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20220411089A1 (en) * 2021-06-29 2022-12-29 Beta Air, Llc Electric aircraft for generating a yaw force
US11745886B2 (en) * 2021-06-29 2023-09-05 Beta Air, Llc Electric aircraft for generating a yaw force

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Application publication date: 20190226