CN214112864U - Rotor pre-rotation operating device of autorotation rotorcraft - Google Patents
Rotor pre-rotation operating device of autorotation rotorcraft Download PDFInfo
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- CN214112864U CN214112864U CN202023242889.4U CN202023242889U CN214112864U CN 214112864 U CN214112864 U CN 214112864U CN 202023242889 U CN202023242889 U CN 202023242889U CN 214112864 U CN214112864 U CN 214112864U
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Abstract
The utility model provides a pre-rotation control device for a rotor of a self-rotating gyroplane, which comprises a pre-rotation mechanism and a control mechanism, wherein the pre-rotation mechanism comprises a belt transmission structure and a tensioning structure; the tensioning structure comprises a belt tensioning rocker arm, a belt tensioning wheel and a belt pressing block, wherein the belt tensioning wheel and the belt pressing block are fixed on the belt tensioning rocker arm; the operating mechanism is connected with the belt tensioning rocker arm through a pre-rotation pull wire, when the operating mechanism tensions the pre-rotation pull wire, the belt tensioning wheel tightly presses the belt to enable the belt to be in a tensioning state between the large belt wheel and the small belt wheel, and the power of the output shaft of the engine is transmitted to the rotor clutch gear through the belt transmission structure and the transmission mechanism. The utility model discloses a new spin in advance and control the mode and removed spin in advance cylinder and gas circuit controlling means on realizing the basis of original spin in advance control function, reduced the complexity and the structure weight of spin in advance system, improved its security and reliability.
Description
Technical Field
The utility model relates to an aviation technical field specifically is a rotation gyroplane rotor pilot-rotary controlling device.
Background
The autorotation gyroplane (called gyroplane for short) is a gyroplane taking an autorotation rotor as a lifting surface, propeller pushing/pulling force or other energy supply modes as advancing power, and has the characteristics of simple mechanism, high safety, low cost and the like, and the rotor of the gyroplane realizes autorotation by depending on the forward incoming flow driving during flight to provide lift force. And adopt the rotor to revolve technique in advance, drive the rotor in advance through transmission before taking off, then take off after cutting off the transmission link through the clutch, can make the gyroplane can the ray formula jump or ultrashort apart from taking off.
The existing prerotation mechanism adopts a prerotation small cylinder and a gas circuit control device, and has the disadvantages of complex system, heavy structure weight, and low safety and reliability.
SUMMERY OF THE UTILITY MODEL
The utility model discloses a solve prior art's problem, provide a rotation gyroplane rotor controlling means that revolves in advance, adopt new revolve in advance and its manipulation mode to remove in advance cylinder and gas circuit controlling means on realizing the basis of former manipulation function of revolving in advance, reduced the complexity and the structure weight of system of revolving in advance, improved its security and reliability.
The utility model provides a pre-rotation control device for a rotor of an autorotation rotorcraft, which comprises a pre-rotation mechanism and a control mechanism, wherein the pre-rotation mechanism comprises a belt transmission structure and a tensioning structure, the belt transmission structure consists of a large belt wheel and a small belt wheel through a belt, the large belt wheel is positioned on an engine output shaft, and the small belt wheel is connected with a clutch gear of the rotor through a transmission mechanism; the tensioning structure comprises a belt tensioning rocker arm, a belt tensioning wheel and a belt pressing block, wherein the belt tensioning wheel and the belt pressing block are fixed on the belt tensioning rocker arm; the operating mechanism is connected with the belt tensioning rocker arm through a pre-rotation pull wire, when the operating mechanism tensions the pre-rotation pull wire, the belt tensioning wheel tightly presses the belt to enable the belt to be in a tensioning state between the large belt wheel and the small belt wheel, and the power of the output shaft of the engine is transmitted to the rotor clutch gear through the belt transmission structure and the transmission mechanism.
The control mechanism comprises a front control lever, a pre-rotation hook and a pre-rotation hook support, wherein the pre-rotation hook is arranged on the pre-rotation hook support, and the front control lever controls the pre-rotation pull wire to be tightened and loosened through the pre-rotation hook.
The further improvement is that the transmission mechanism is a flexible shaft.
The transmission mechanism is a hard shaft transmission consisting of a transmission shaft and a universal joint coupler.
In a further improvement, the transmission mechanism is an electric transmission mechanism consisting of a generator, a cable and a motor.
The utility model provides a rotation gyroplane rotor is controlling means soon in advance which characterized in that: the transmission mechanism is hydraulic transmission consisting of a hydraulic pump, a hydraulic pipeline and a hydraulic motor.
The utility model also provides a rotation gyroplane rotor prewhirl control method, including following step:
1) the belt tensioning rocker arm is under the action of the tension of the belt releasing spring, so that the belt tensioning wheel is not in contact with the belt, and meanwhile, the belt pressing block is tightly attached to the belt wound on the small belt wheel to prevent the belt and the small belt wheel from moving, and the belt and the large belt wheel are in a loose state;
2) starting the engine, wherein the power of an output shaft of the engine cannot be transmitted to the rotor wing through the large belt wheel and the belt;
3) the pilot pulls the front control lever backwards to a certain position and then hangs the pre-rotation hook at the bottom of the front control lever;
4) the operating lever is pushed forwards and drives the pre-rotation hook to move forwards, so that the pre-rotation pull wire is driven;
5) the pre-rotation pull wire drives the belt tensioning rocker arm to move, so that the belt tensioning wheel is in contact with the belt, the belt is compressed, meanwhile, the belt compression block is separated from the belt, the belt and the small belt wheel can move, and at the moment, the power of the engine is transmitted to the small belt wheel through the large belt wheel and the belt;
6) the small belt wheel drives the rotor wing clutch gear to rotate through the transmission mechanism, and when the rotor wing clutch gear rotates, the rotor wing clutch gear is pushed upwards to be meshed with the rotor wing large gear, so that the rotor wing is driven to rotate;
7) after the rotating speed of the rotor wing is stable, a pilot pulls the operating lever backwards, the pre-rotation pull wire is loosened, the state of the step 1) is returned, the rotor wing clutch gear is disconnected from and meshed with the rotor wing large gear under the action of gravity after no power is supplied, and then the rotor wing rotates by means of inertia;
8) and the control lever is continuously pulled backwards, the tail part of the prerotation hook is contacted with the prerotation hook support, when the control lever is continuously pulled backwards, the prerotation hook automatically falls off from the front control lever under the action of gravity, and the prerotation operation of the rotor wing is finished.
The utility model has the advantages that: the novel prerotation and the operation mode thereof are adopted, the prerotation cylinder and the gas circuit control device are removed on the basis of realizing the original prerotation operation function, the complexity and the structural weight of the prerotation system are reduced, and the safety and the reliability of the prerotation system are improved.
Drawings
Figure 1 is a rotor prerotation mechanism;
FIG. 2 is a perspective view of a rotor prerotation mechanism;
FIG. 3 is a perspective view of a rotor prerotation control mechanism;
FIG. 4 is a rotor prerotation control architecture diagram for a prerotation state;
FIG. 5 is a rotor prerotation control architecture in a non-prerotation state;
FIG. 6 is a schematic view of the engine, pre-rotation device and rotor head installation.
In the figure, a large belt wheel 1, a belt 2, a belt tensioning wheel 3, a small belt wheel 4, a belt tensioning rocker arm 5, a belt pressing block 6, a belt releasing spring 7, a pre-rotation pull wire 8, a flexible shaft 9, a front operating lever 10, a pre-rotation hook 11, a pre-rotation hook support 12 and an engine 13.
Detailed Description
The present invention will be further explained with reference to the accompanying drawings.
Example one
The pre-rotation control device for the rotor of the autorotation rotorcraft is shown in figures 1 to 6 and comprises a pre-rotation mechanism and a control mechanism. The pre-rotation mechanism comprises a large belt wheel 1 of the engine, a belt 2, a small belt wheel 4, a belt tensioning wheel 3, a belt tensioning rocker arm 5, a belt releasing spring 7, a belt pressing block 6, a flexible shaft 9, a rotor clutch gear and the like, wherein the large belt wheel 1 is positioned on an output shaft of the engine 13, and the belt tensioning wheel 3 and the belt pressing block 6 are positioned on the belt tensioning rocker arm 5. The operating mechanism mainly comprises a front operating lever 10, a pre-rotation hook 11, a pre-rotation hook support 12, a pre-rotation pull wire 8 and the like. Wherein the front end of the pre-rotation pull wire 8 is connected with a pre-rotation hook 12, and the rear end is connected with the belt tensioning rocker arm 5.
A large belt wheel 1 in a pre-rotation mechanism is connected with an output shaft of an engine 13, the lower end of a flexible shaft 9 is connected with a small belt wheel 4, and the upper end of the flexible shaft 9 is connected with a rotor clutch gear. The large belt wheel 1 and the small belt wheel 4 are driven by a belt 2.
When prerotating, the forward push control lever 10 drives the prerotating pull wire 8, so that the belt tensioning wheel 3 is pulled to tension the belt 2, and the power of the engine 13 is transmitted to the rotor wing through the belt pulley and the flexible shaft 9. After the rotor rotational speed is stable, pull back control lever 10, the automatic control lever 10 that drops of follow of couple 11 in advance soon, and the belt 2 is loosened and is blocked the back, and the rotor loses power and leans on inertial rotation.
The flow of the rotor prerotation operation is as follows:
(1) the belt tensioning rocker arm 5 is under the action of the tension of the belt releasing spring 7, so that the belt tensioning wheel 3 is not in contact with the belt 2, meanwhile, the belt pressing block 6 is tightly attached to the belt 2 wound on the small belt wheel, the belt 2 and the small belt wheel 4 are prevented from moving, and the belt 2 and the large belt wheel 1 are in a loose state.
(2) The engine 13 is started, and the power of the engine output shaft cannot be transmitted to the rotor through the large belt wheel 1 and the belt 2.
(3) The pilot pulls the front joystick 10 backwards to a certain position and then hangs the pre-rotation hook 11 at the bottom of the front joystick 10.
(4) The operating rod 10 is pushed forward, and the operating rod 10 drives the pre-rotation hook 11 to move forward, so that the pre-rotation pull wire 8 is driven.
(5) The pre-rotation pull wire 8 drives the belt tensioning rocker arm 5 to move, so that the belt tensioning wheel 3 is in contact with the belt 2, and the belt 2 is tightly pressed. At the same time, the belt hold-down block 6 is separated from the belt 2, so that the belt 2 and the small pulley 4 can move. At this time, the power of the engine 13 is transmitted to the small pulley 4 through the large pulley 1 and the belt 2.
(6) The small belt wheel 4 drives the rotor clutch gear at the upper end of the flexible shaft to rotate through the flexible shaft 9, and when the rotor clutch gear rotates, the rotor clutch gear can be pushed upwards to be meshed with the rotor big gear, so that the rotor is driven to rotate.
(7) After the rotor rotational speed is stable, the pilot pulls the control lever 10 backward, and the pilot pulls the line in advance and relaxs 8, gets back to the state of step (1), and rotor clutching gear is behind no power, relies on the action of gravity to break off the meshing with the rotor gear wheel, and then the rotor leans on inertial rotation.
(8) The operating lever 10 is pulled back continuously, the tail part of the pre-rotation hook 11 is contacted with the pre-rotation hook support 12, and when the pulling back is continued, the pre-rotation hook 11 automatically falls off from the front operating lever 10 under the action of gravity. And the pre-rotation operation of the rotor wing is finished.
Example two
The flexible shaft 9 in the first embodiment may be replaced by other transmission modes, including but not limited to a hard shaft transmission consisting of a transmission shaft and a universal joint coupling, an electric transmission consisting of a generator, a cable and an electric motor, and a hydraulic transmission consisting of a hydraulic pump, a hydraulic pipeline and a hydraulic motor.
The utility model discloses the concrete application way is many, and the above-mentioned only is the preferred embodiment of the utility model, should point out, to ordinary skilled person in this technical field, under the prerequisite that does not deviate from the utility model discloses the principle, can also make a plurality of improvements, and these improvements also should be regarded as the utility model discloses a protection scope.
Claims (6)
1. The utility model provides a rotation gyroplane rotor is controlling means soon in advance which characterized in that: the pre-rotation mechanism comprises a belt transmission structure and a tensioning structure, the belt transmission structure consists of a large belt wheel and a small belt wheel through a belt, the large belt wheel is positioned on an engine output shaft, and the small belt wheel is connected with a rotor clutch gear through a transmission mechanism; the tensioning structure comprises a belt tensioning rocker arm, a belt tensioning wheel and a belt pressing block, wherein the belt tensioning wheel and the belt pressing block are fixed on the belt tensioning rocker arm; the operating mechanism is connected with the belt tensioning rocker arm through a pre-rotation pull wire, when the operating mechanism tensions the pre-rotation pull wire, the belt tensioning wheel tightly presses the belt to enable the belt to be in a tensioning state between the large belt wheel and the small belt wheel, and the power of the output shaft of the engine is transmitted to the rotor clutch gear through the belt transmission structure and the transmission mechanism.
2. The rotary wing pre-rotation operator of autogyro according to claim 1, wherein: the operating mechanism comprises a front operating lever, a prerotation hook and a prerotation hook support, wherein the prerotation hook is arranged on the prerotation hook support, and the front operating lever controls the tensioning and the loosening of the prerotation pull wire through the prerotation hook.
3. The rotary wing pre-rotation operator of autogyro according to claim 1, wherein: the transmission mechanism is a flexible shaft.
4. The rotary wing pre-rotation operator of autogyro according to claim 1, wherein: the transmission mechanism is a hard shaft transmission consisting of a transmission shaft and a universal joint coupler.
5. The rotary wing pre-rotation operator of autogyro according to claim 1, wherein: the transmission mechanism is an electric transmission mechanism consisting of a generator, a cable and a motor.
6. The rotary wing pre-rotation operator of autogyro according to claim 1, wherein: the transmission mechanism is hydraulic transmission consisting of a hydraulic pump, a hydraulic pipeline and a hydraulic motor.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023242889.4U CN214112864U (en) | 2020-12-29 | 2020-12-29 | Rotor pre-rotation operating device of autorotation rotorcraft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202023242889.4U CN214112864U (en) | 2020-12-29 | 2020-12-29 | Rotor pre-rotation operating device of autorotation rotorcraft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214112864U true CN214112864U (en) | 2021-09-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202023242889.4U Active CN214112864U (en) | 2020-12-29 | 2020-12-29 | Rotor pre-rotation operating device of autorotation rotorcraft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN214112864U (en) |
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2020
- 2020-12-29 CN CN202023242889.4U patent/CN214112864U/en active Active
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