CN101181931A - Helicopter advancing and steering mechanism - Google Patents
Helicopter advancing and steering mechanism Download PDFInfo
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- CN101181931A CN101181931A CNA2007101686418A CN200710168641A CN101181931A CN 101181931 A CN101181931 A CN 101181931A CN A2007101686418 A CNA2007101686418 A CN A2007101686418A CN 200710168641 A CN200710168641 A CN 200710168641A CN 101181931 A CN101181931 A CN 101181931A
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- swivel
- following
- drive link
- blade
- following swivel
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Abstract
The invention relates to an advancing and steering mechanism of a helicopter, comprising an upper rotary body (1), a lower rotary body (2), a blade-driving connecting rod (3) and a lower rotary body driving mechanism; the upper end of the blade driving connecting rod (3) is connected with a blade (4); the lower end of the blade driving connecting rod (3) is pivotally connected with the upper rotary body (1); the lower rotary body (2) is driven by a lower rotary body driving mechanism; the lower rotary body driving mechanism comprises a lower rotary body driving connecting rod (5); the upper end of the lower rotary body driving connecting rod (5) is pivotally connected with the lower rotary body; the middle part of the lower rotary body (2) is provided with a round hole; the upper rotary body (1) is a round body which can be rotated in the round hole of the lower rotary body (2); the pivoting points between the blade driving connecting rod (3) and the upper rotary body (1) and the pivoting points between the lower rotary body driving connecting rod (5) and the lower rotary body are in the same plane. The advancing and steering mechanism of the invention is beneficial to the stable flying of helicopters.
Description
Technical field
The present invention relates to helicopter, particularly helicopter advances and steering hardware.
Background technology
Difficulty is comparatively handled in advancing and turning to of helicopter, therefore, has advancing and steering hardware structure more complicated of helicopter now.
Existing helicopter advance and steering hardware as shown in Figure 6, it comprise swivel 1, down swivel 2, blade drive link 3, descend swivel driver train etc.Last swivel 1, following swivel 2 are tabular, and last swivel 1 is installed with following swivel 2 laminations, and the upper end of blade drive link 3 is connected with blade 4, and the lower end of blade drive link 3 and last swivel 1 are hinged, and following swivel 2 is by following swivel drive mechanism.
Following swivel driver train comprises swivel drive link 5 down, and the upper end of following swivel drive link 5 is with rotation italic 2 is hinged down.
Above-mentioned helicopter advance and the principle of work of steering hardware is: go up swivel and be close to down swivel and slide and (or ball is installed on contact surface, the resistance of reducing friction), last swivel angle of inclination is by swivel decision down, and following swivel rake angle is by swivel drive link control down.During aircraft flight, last swivel rotates with rotor blade, the angle that last swivel tilts to rotate by blade drive link control blade.Following swivel does not rotate with blade, and its angle of inclination is controlled by the mode of swivel drive link under the control, with the angle of inclination of control blade, thus the heading of control helicopter.
Above-mentioned helicopter advance and there is following defective in steering hardware: 1, since upper and lower swivel all have certain thickness, last swivel and following swivel are not at grade, last swivel and following swivel can not concentric motion, can only go up swivel and descend on the swivel moving in a circle; 2, the position of going up swivel can not be fixed, and owing to factors such as inertia, is easy to make the motion instability of swivel in the process of aircraft movements.These defectives easily influence the flight stability of helicopter.
Summary of the invention
Technical matters to be solved by this invention is: advancing and steering hardware of a kind of helicopter is provided, and this advances and steering hardware helps the stabilized flight of helicopter.
The present invention solves the problems of the technologies described above the technical scheme that is adopted:
Advancing and steering hardware of a kind of helicopter, it comprises swivel, following swivel, blade drive link, following swivel driver train, the upper end of blade drive link is connected with blade, the lower end of blade drive link and last swivel are hinged, and following swivel is by following swivel drive mechanism;
Following swivel driver train comprises swivel drive link down, and the upper end of following swivel drive link is hinged with following swivel;
The middle part of following swivel has circular port, the round of last swivel for can in following swivel circular port, rotating, and the hinge-point of the hinge-point of blade drive link and last swivel, following swivel drive link and following swivel is in same plane.
Advancing and steering hardware of a kind of helicopter, it comprises swivel, following swivel, blade drive link, following swivel driver train, the upper end of blade drive link is connected with blade, the lower end of blade drive link and last swivel are hinged, and following swivel is by following swivel drive mechanism;
Following swivel driver train comprises swivel drive link down, and the upper end of following swivel drive link is hinged with following swivel;
The middle part of last swivel has circular port, the round of following swivel for can in last swivel circular port, rotating, and the hinge-point of the hinge-point of blade drive link and last swivel, following swivel drive link and following swivel is in same plane.
In the such scheme, be provided with ball between the contact surface of last swivel and following swivel, last swivel, following swivel, ball are formed a ball bearing of main shaft.
In the such scheme, following swivel drive link is two; Following swivel driver train also comprises bottom linkage rod, slide bar, intermediate connecting rod, motor;
Bottom linkage rod, twice swivel drive link, following swiveies are formed four-bar linkage;
The upper end of slide bar and bottom linkage rod middle part are hinged;
One end and the bottom linkage rod of intermediate connecting rod are hinged, and the other end is enclosed within on the slide bar;
Motor is to be used to drive the motor that slide bar moves up and down.
In the such scheme, following swivel driver train also comprises and turns to cylindrical shell, turns to and is provided with rotating shaft in the cylindrical shell, and the two ends of rotating shaft are connected with turning to cylinder inboard wall, and the middle part and the rotating shaft of bottom linkage rod are hinged; Motor is fixed on and turns in the cylindrical shell.
Compared with prior art, the invention has the advantages that:
1, the hinge-point of blade drive link and last swivel, down swivel drive link and the hinge-point of following swivel are in same plane, last swivel and following swivel can not concentric motion, help the flight stability of helicopter.
2, upward swivel, following swivel, ball are formed a ball bearing of main shaft, can reduce the friction drag of going up between swivel and the following swivel, and simultaneously, the position of last swivel can be fixed, and makes the motion stabilization of swivel, helps the flight stability of helicopter.
3, the angle of inclination of swivel is driven by slide bar, bottom linkage rod, twice swivel drive link, intermediate connecting rods by motor down, and is simple in structure, handles easily.
4, down the direction of swivel by turning to cylindrical shell control, simple in structure, handle easily.
Description of drawings
Fig. 1 is the embodiment of the invention 1 a running condition scheme drawing
Fig. 2,3,4 is the embodiment of the invention 1 structural representation
Fig. 5 is the embodiment of the invention 2 structural representations
Fig. 6 is the structural representation of advancing of existing helicopter and steering hardware
Wherein: 1 is that swivel, 3 was that blade drive link, 4 is that swivel drive link, 6 was that bottom linkage rod, 7 is that slide bar, 8 is that intermediate connecting rod, 9 is that motor, 10 is rotating shaft, 12 blade platforms for turning to cylindrical shell, 11 under blade, 5 was under last swivel, 2 was.
The specific embodiment
The embodiment of the invention 1 running condition scheme drawing as shown in Figure 1, it is the application of the embodiment of the invention 1 on coaxial pair of oar helicopter.
As shown in Figure 1, 2, helicopter of the present invention advance and steering hardware embodiment 1 comprises: go up swivel 1, swivel 2, blade drive link 3, swivel driver train down down.
The upper end of blade drive link 3 is connected with the blade 4 of lower floor by blade platform 12, and the lower end of blade drive link 3 and last swivel 1 are hinged, and following swivel 2 is by following swivel drive mechanism.Following swivel driver train comprises swivel drive link 5 down, and the upper end of following swivel drive link 5 is hinged with following swivel.
The middle part of following swivel 2 has circular port, the round of last swivel 1 for can in following swivel 2 circular ports, rotating, and the hinge-point of the hinge-point of blade drive link 3 and last swivel 1, following swivel drive link 5 and following swivel is in same plane.
Be provided with ball between the contact surface of last swivel 1 and following swivel 2, last swivel 1, following swivel 2, ball are formed a ball bearing of main shaft.
Shown in Fig. 2,3, following swivel drive link 5 is two.
Shown in Fig. 1,2,3,4, following swivel driver train also comprises bottom linkage rod 6, slide bar 7, intermediate connecting rod 8, motor 9, turns to cylindrical shell 10.Motor 9 is a servomotor.
The upper end of slide bar 7 and bottom linkage rod 6 middle parts are hinged;
One end and the bottom linkage rod 6 of intermediate connecting rod 8 are hinged, and the other end is enclosed within on the slide bar 7;
Motor 9 is for being used to drive the motor that slide bar 7 moves up and down, and it drives slide bar 7 by cam link mechanism and moves up and down.
Turn to and be provided with rotating shaft 11 in the cylindrical shell 10, the two ends of rotating shaft 11 are connected with turning to cylindrical shell 10 inwalls, and the middle part of bottom linkage rod 6 and rotating shaft 11 are hinged; Motor 9 is fixed on and turns in the cylindrical shell 10.
The principle of work of following swivel driver train is: the bottom linkage rod 6 that drives foot by motor 9, thereby drive down the motion of four-bar linkage by a tripod structure, change the purpose at swivel 2 inclination angles down to reach, and then drive the inclination angle of going up blade under swivel 1 change, realize advancing, retreating of aircraft.In addition, can also turn to cylindrical shell 10 that the relative integral structure of four-bar linkage is rotated a certain angle, that is: make down blade certain angle that can tilt in any direction by driving.Thereby realize the angle that blade tilts arbitrarily in any direction down (in the certain limit), make aircraft go up in any direction to put down and fly, also comprise certainly having moved forward and backward.
The embodiment of the invention 2 running condition scheme drawings as shown in Figure 5, it goes straight up to carry-on application for the embodiment of the invention 2 common.
Helicopter of the present invention advance and steering hardware embodiment 2 comprises: go up swivel 1, swivel 2, blade drive link 3, swivel driver train down down.
The upper end of blade drive link 3 is connected with blade 4, and the lower end of blade drive link 3 and last swivel 1 are hinged, and following swivel 2 is by following swivel drive mechanism.Following swivel driver train comprises swivel drive link 5 down, and the upper end of following swivel drive link 5 is hinged with following swivel.
The middle part of last swivel 1 has circular port, the round of following swivel 2 for can in last swivel 1 circular port, rotating, and the hinge-point of the hinge-point of blade drive link 3 and last swivel 1, following swivel drive link 5 and following swivel is in same plane.
Be provided with ball 6 between the contact surface of last swivel 1 and following swivel 2, last swivel 1, following swivel 2, ball 6 are formed a ball bearing of main shaft.
Helicopter of the present invention advance and steering hardware is applicable to common helicopter and model toy thereof, the coaxial pair of oar helicopter and model toy thereof etc.
Claims (5)
1. a helicopter advances and steering hardware, it comprises swivel (1), following swivel (2), blade drive link (3), following swivel driver train, the upper end of blade drive link (3) is connected with blade (4), the lower end of blade drive link (3) and last swivel (1) are hinged, and following swivel (2) is by following swivel drive mechanism;
Following swivel driver train comprises swivel drive link (5) down, and the upper end of following swivel drive link (5) is hinged with following swivel;
It is characterized in that:
The middle part of following swivel (2) has circular port, the round of last swivel (1) for rotating in following swivel (2) circular port, the hinge-point of the hinge-point of blade drive link (3) and last swivel (1), following swivel drive link (5) and following swivel is in same plane.
2. a helicopter advances and steering hardware, it comprises swivel (1), following swivel (2), blade drive link (3), following swivel driver train, the upper end of blade drive link (3) is connected with blade (4), the lower end of blade drive link (3) and last swivel (1) are hinged, and following swivel (2) is by following swivel drive mechanism;
Following swivel driver train comprises swivel drive link (5) down, and the upper end of following swivel drive link (5) is hinged with following swivel;
It is characterized in that:
The middle part of last swivel (1) has circular port, the round of following swivel (2) for rotating in last swivel (1) circular port, the hinge-point of the hinge-point of blade drive link (3) and last swivel (1), following swivel drive link (5) and following swivel is in same plane.
3. as claimed in claim 1 or 2 advancing and steering hardware is characterized in that: upward be provided with ball (6) between the contact surface of swivel (1) and following swivel (2), last swivel (1), following swivel (2), ball (6) are formed a ball bearing of main shaft.
4. as claimed in claim 1 or 2 advancing and steering hardware is characterized in that: following swivel drive link (5) is two; Following swivel driver train also comprises bottom linkage rod (6), slide bar (7), intermediate connecting rod (8), motor (9);
Bottom linkage rod (6), twice swivel drive link (5), following swivel (2) are formed four-bar linkage;
The upper end of slide bar (7) and bottom linkage rod (6) middle part are hinged;
One end of intermediate connecting rod (8) and bottom linkage rod (6) are hinged, and the other end is enclosed within on the slide bar (7);
Motor (9) is for being used to drive the motor that slide bar (7) moves up and down.
5. as claimed in claim 4 advancing and steering hardware, it is characterized in that: following swivel driver train also comprises and turns to cylindrical shell (10), turn to and be provided with rotating shaft (11) in the cylindrical shell (10), the two ends of rotating shaft (11) are connected with turning to cylindrical shell (10) inwall, and the middle part of bottom linkage rod (6) and rotating shaft (11) are hinged; Motor (9) is fixed on and turns in the cylindrical shell (10).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101686418A CN101181931A (en) | 2007-12-06 | 2007-12-06 | Helicopter advancing and steering mechanism |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CNA2007101686418A CN101181931A (en) | 2007-12-06 | 2007-12-06 | Helicopter advancing and steering mechanism |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN101181931A true CN101181931A (en) | 2008-05-21 |
Family
ID=39447383
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CNA2007101686418A Pending CN101181931A (en) | 2007-12-06 | 2007-12-06 | Helicopter advancing and steering mechanism |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101181931A (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPWO2012026112A1 (en) * | 2010-08-24 | 2013-10-28 | 有限会社Ｇｅｎ Ｃｏｒｐｏｒａｔｉｏｎ | Fixed-pitch coaxial double inversion helicopter |
| CN108639331A (en) * | 2018-06-29 | 2018-10-12 | 长沙市云智航科技有限公司 | One kind is verted double-rotor aerobat |
-
2007
- 2007-12-06 CN CNA2007101686418A patent/CN101181931A/en active Pending
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPWO2012026112A1 (en) * | 2010-08-24 | 2013-10-28 | 有限会社Ｇｅｎ Ｃｏｒｐｏｒａｔｉｏｎ | Fixed-pitch coaxial double inversion helicopter |
| CN108639331A (en) * | 2018-06-29 | 2018-10-12 | 长沙市云智航科技有限公司 | One kind is verted double-rotor aerobat |
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