Simulation machine rotor wing mechanism

Abstract

The utility model relates to a simulation machine rotor wing mechanism, and belongs to the technical field of aviation machinery. In order to solve the problem that an existing training simulation system can only simulate rotation of a rotor wing mechanism and cannot simulate pitch angle changes of rotor wing blades, the simulation machine rotor wing mechanism comprises the rotor wing blades, a rotation driving assembly for driving the rotor wing blades to rotate and a driving frame, the driving frame is provided with a rotation driving assembly and an inclinator for driving the rotor blades to change the torque; due to the fact that the inclinator is additionally arranged, the pitch angle change of the rotor blade can be simulated while the rotor blade rotates, the motion state of the rotor blade in the aircraft operation process is simulated more truly, students can observe and understand the motion state visually, and the device can be well applied to a teaching system.

Description

TECHNICAL FIELD

[0001] The utility model relates to a simulation machine rotor mechanism and belongs to the technical field of aviation machinery. BACKGROUND

[0002] The helicopter control and transmission teaching and training system can truly simulate the control and transmission process of the helicopter, and can dynamically display the control and transmission principle, so that the pilot can preliminarily experience the control and transmission process of the helicopter, improve the efficiency of formal training of the pilot, and enhance the training effect.

[0003] The existing training simulation system can only simulate the rotation of the rotor mechanism, and cannot simulate the pitch angle of the rotor blade, and cannot truly simulate the change of the pitch angle of the rotor blade during the operation of the aircraft. UTILITARY MODEL CONTENT

[0004] The utility model discloses a simulation machine rotor mechanism that can simulate the change of the pitch angle of the rotor blade to solve the problem that the existing training simulation system can only simulate the rotation of the rotor mechanism and cannot simulate the change of the pitch angle of the rotor blade.

[0005] In order to achieve the above-mentioned purpose, the utility model adopts the following technical scheme:

[0006] A simulation machine rotor mechanism, comprising a rotor blade, a rotation driving assembly for driving the rotor blade to rotate, characterized in that: a driving frame is further included, and the rotation driving assembly and an inclinator for driving the rotor blade to change the moment are installed on the driving frame.

[0007] Preferably, the rotation driving assembly comprises a motor, a reducer is installed at the output end of the motor, a driving bevel gear is installed on the output shaft of the reducer, the driving bevel gear is engaged with a driven bevel gear disc installed on a sleeve A, the sleeve A is sleeved on the outside of a mandrel, a rotor blade mounting seat is installed at the upper end of the mandrel, at least two blade connecting seats A are installed in the circumferential direction of the rotor blade mounting seat, a blade connecting seat B is installed at the end of each blade connecting seat A away from the rotor blade mounting seat, and a rotor blade is installed on the blade connecting seat B.

[0008] Preferably, the driving frame comprises a bottom plate, an intermediate plate and a top plate, the two ends of the bottom plate, the intermediate plate and the top plate are connected through side plates, a motor mounting rack is installed on one side of the side plate, the motor is installed on the motor mounting rack, the output shaft of the reducer passes through the side plate close to the reducer to install the driving bevel gear, and the driving bevel gear is installed on the intermediate plate through a bevel gear mounting rack.

[0009] Preferably, the inclinator comprises at least two servo electric push rods mounted on both sides of the middle plate, a fixedly mounted inclinator fixed disc above each of the servo electric push rods, an inclinator movable disc provided above the inclinator fixed disc, at least two variable torque pull rods mounted on the inclinator movable disc, and rotor blades mounted above the variable torque pull rods.

[0010] Preferably, the inclinator movable disc and the inclinator fixed disc are sleeved in a sleeve B, the sleeve B is sleeved outside the mandrel, and a spherical hinge and a bearing are sequentially mounted between the inclinator movable disc, the inclinator fixed disc and the sleeve B in a circumferential direction from inside to outside.

[0011] The sleeve B is provided with a clamp below the rotor blade mounting seat, two rotating torsion arms are symmetrically mounted between the clamp and the inclinator movable disc, the rotating torsion arm comprises a lower arm A mounted on the inclinator movable disc through a mounting seat A, the lower arm A is rotationally connected with the mounting seat A, an upper arm A is rotationally connected above the lower arm A, and the other end of the upper arm A is rotationally mounted on the clamp.

[0012] Preferably, a non-rotating torsion arm is mounted between the inclinator fixed disc and the top plate, the non-rotating torsion arm comprises a lower arm B mounted on the top plate through a mounting seat B, the lower arm B is rotationally connected with the mounting seat B, an upper arm B is rotationally connected above the lower arm B, and the other end of the upper arm B is rotationally mounted on the inclinator fixed disc.

[0013] Preferably, a variable torque pull rod mounting plate is mounted on the side surface of the blade connecting seat A, and the variable torque pull rod is mounted on the variable torque pull rod mounting plate.

[0014] Preferably, a locking nut is mounted above the rotor blade mounting seat, a top cover is mounted at the uppermost end of the mandrel, and a connecting rod is mounted between the top cover and the blade connecting seat B.

[0015] The simulation rotor mechanism of the utility model, because inclinator is added, can simulate the pitch angle change of rotor blade while the rotor blade rotates, more truly simulates the motion state of rotor blade in the process of aircraft operation, is convenient for student intuitive observation and understanding, and can be well applied to teaching system. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 It is a structural schematic view of the utility model;

[0017] Figure 2 It is a right view of Figure 1

[0018] Figure 3 It is a left view of Figure 1 ​​

[0019] Figure 4 for Figure 3 BB section view;

[0020] Figure 5 This is a schematic diagram of the tilter's moving disk.

[0021] In the diagram: 1. Rotor blade; 2. Rotation drive assembly; 21. Motor; 22. Reducer; 23. Driving bevel gear; 24. Spindle; 25. Driven bevel gear disc; 26. Rotor blade mounting bracket; 27. Blade connector A; 28. Blade connector B; 29. ​​Sleeve B; 30. Sleeve A; 3. Drive frame; 31. Base plate; 32. Intermediate plate; 33. Top plate; 34. Side plate; 35. Motor mounting bracket; 36. Bevel gear mounting bracket; 4. Inclinator; 41. Servo electric actuator; 42. Inclinator stationary disc; 43. Inclinator moving disc; 44. Torque converter; 45. Ball joint; 46. Bearing; 47. Clamp; 48. Rotating torque arm; 481. Lower arm A; 482. Mounting bracket A; 483. Upper arm A; 49. Non-rotating torque arm. 491. Lower arm B, 492. Mounting seat B, 493. Upper arm B, 50. Torque converter tie rod mounting plate, 5. Locking nut, 6. Top cover, 7. Connecting rod. Detailed Implementation

[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments of the present utility model. All other embodiments obtained by those skilled in the art without creative labor are within the protection scope of the present utility model.

[0023] Example 1. As... Figures 1-4 The simulator rotor mechanism shown includes a rotor blade 1, a rotation drive assembly 2 for driving the rotor blade 1 to rotate, and a drive frame 3 on which the rotation drive assembly 2 and a swashplate 4 for driving the rotor blade to change torque are mounted.

[0024] The rotation drive assembly 2 includes a motor 21, a reducer 22 is installed at the output end of the motor 21, a drive bevel gear 23 is installed on the output shaft of the reducer 22, the drive bevel gear 23 meshes with a driven bevel gear disk 25 installed on a sleeve A30, the sleeve A30 is sleeved on the outside of the spindle 24, a rotor blade mounting seat 26 is installed at the upper end of the spindle 24, at least two blade connecting seats A27 are installed in the circumferential direction of the rotor blade mounting seat 26, and a blade connecting seat B28 is installed at the end of each blade connecting seat A27 away from the rotor blade mounting seat 26, and a rotor blade 1 is installed on the blade connecting seat B28;

[0025] The motor 21 rotates to drive the reducer 22 to rotate, the output shaft of the reducer 22 rotates to drive the driving bevel gear 23 on it to rotate, the driving bevel gear 23 drives the driven bevel gear disc 25 to rotate, the driven bevel gear disc 25 drives the sleeve A 30 to rotate, the sleeve A 30 drives the rotor blade mounting seat 26 to rotate, and the rotor blade mounting seat 26 drives the rotor blade 1 to rotate;

[0026] The rotor blade 1 in the embodiment has a diameter of 3 m and a rotating speed of 35 r / min, is designed by copying and scaling the real machine part, and is made of 6063T6 aluminum alloy by extrusion;

[0027] The driving frame 3 comprises a bottom plate 31, an intermediate plate 32 and a top plate 33, both ends of the bottom plate 31, the intermediate plate 32 and the top plate 33 are connected through side plates 34, a motor mounting rack 35 is installed on one side of the side plate 34, the motor 21 is installed on the motor mounting rack 35, the output shaft of the reducer 22 is installed with the driving bevel gear 25 through the side plate 35 close to the reducer 22, and the driving bevel gear 25 is installed on the intermediate plate 32 through a bevel gear mounting rack 36.

[0028] The inclinator 4 comprises at least two servo electric push rods 41 installed on both sides of the intermediate plate 32, a servo electric push rod 41 is fixedly installed above each servo electric push rod 41, an inclinator fixed disc 42 is arranged above the inclinator 4, an inclinator movable disc 43 is arranged above the inclinator fixed disc 42, at least two variable moment pull rods 44 are installed on the inclinator movable disc 43, and the rotor blades 1 are installed above the variable moment pull rods 44.

[0029] In the embodiment, the servo electric push rod 41 is provided with three, the variable moment pull rod 44 is provided with four, the rotor blade 1 is also provided with four, and the structure diagram of the inclinator movable disc 43 is as shown in the figure. Figure 5 As can be seen from the figure, the variable moment pull rod 44 is provided with four;

[0030] The inclinator movable disc 43 and the inclinator fixed disc 42 are sleeved on the sleeve B 29, the sleeve B 29 is sleeved on the outside of the mandrel 24, and the inclinator movable disc 43 and the inclinator fixed disc 42 are sequentially installed with a spherical hinge 45 and a bearing 46 in the circumferential direction from inside to outside between the inclinator movable disc 43 and the sleeve B 29.

[0031] The sleeve B29 is provided with a clamp 47 below the rotor blade mounting seat 26, two rotating torsion arms 48 are symmetrically installed between the clamp 47 and the tilting machine movable disc 43, the rotating torsion arm 48 comprises a lower arm A481 installed on the tilting machine movable disc 43 through a mounting seat A482, the lower arm A481 is rotatably connected with the mounting seat A482, an upper arm A483 is rotatably connected above the lower arm A481, and the other end of the upper arm A483 is rotatably installed on the clamp 47. The setting of the rotating torsion arm 48 can ensure that the position of the tilting machine movable disc 43 does not change during rotation, and the angle does not deviate.

[0032] The tilting machine movable disc 43 is rotatably connected with the tilting machine fixed disc 42, and the tilting machine fixed disc 42 is rotatably connected with the top plate 33. The tilting machine fixed disc 42 is rotatably connected with the top plate 33 through a rotating torsion arm 49, the rotating torsion arm 49 comprises a lower arm B491 installed on the top plate 33 through a mounting seat B492, the lower arm B491 is rotatably connected with the mounting seat B492, an upper arm B493 is rotatably connected above the lower arm B491, and the other end of the upper arm B493 is rotatably installed on the tilting machine fixed disc 42. The setting of the rotating torsion arm 49 can ensure that the position of the tilting machine fixed disc 42 does not change during rotation, and the angle does not deviate.

[0033] The side of the blade connecting seat A27 is provided with a variable moment pull rod mounting plate 50, and the variable moment pull rod 44 is installed on the variable moment pull rod mounting plate 50.

[0034] The upper side of the rotor blade mounting seat 26 is provided with a locking nut 5, the upper end of the mandrel 24 is provided with a top cover 6, and the top cover 6 is provided with a connecting rod 7 between the blade connecting seat B28.

[0035] When all the servo electric push rods 41 move upward or downward at the same time, the tilting machine fixed disc 42 and the tilting machine movable disc 43 are driven to move upward or downward, and then the variable moment pull rod 44 is driven to move upward or downward, so as to realize the total distance change of the rotor blade, and the aircraft takes off upward or moves downward; when the servo electric push rod 41 on one side of the middle plate moves upward, the tilting machine fixed disc 42 and the tilting machine movable disc 43 are driven to move upward through the ball hinge 45, the servo electric push rod 41 on the other side of the middle plate moves downward, the other side of the tilting machine fixed disc 42 and the tilting machine movable disc 43 moves downward, the tilting machine movable disc 43 moving upward drives the variable moment pull rod 44 to move upward, and the variable moment pull rod 44 drives the rotor blade 1 to move upward; the tilting machine movable disc 43 moving downward drives the variable moment pull rod 44 to move downward, and the variable moment pull rod 44 drives the rotor blade 1 to move downward, so as to realize the change of the pitch angle of the rotor blade 1, change the flight direction of the aircraft, and realize the cyclic pitch and total distance control of the rotor.

[0036] The servo electric push rod stroke in the embodiment is 100mm, parallel double operation is adopted, the control computer simulates the flight software to calculate the actuating stroke and speed of the servo electric push rod according to the control signals of the steering column and the total distance column, the output signal controls the inclination and up and down sliding of the inclinators, and the take-off, landing and change of the aircraft direction are realized.

[0037] Finally, it should be noted that: the above is only the preferred embodiment of the present application, and is not intended to limit the present application, although the present application has been described in detail with reference to the foregoing embodiments, for those skilled in the art, the technical solutions recorded in the foregoing embodiments can still be modified, or some technical features can be replaced, any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the present application shall be included within the scope of protection of the present application.

Claims

1. A simulation rotor mechanism comprising rotor blades (1) and a rotation drive assembly (2) for driving the rotor blades (1) to rotate, characterized in that: It also includes a drive frame (3), the drive frame (3) is installed with rotating drive assembly (2) and drive rotor blade variable torque tilt (4).

2. A rotor mechanism for a simulator as claimed in claim 1, wherein: The rotating drive assembly (2) comprises a motor (21), the output end of the motor (21) is provided with a speed reducer (22), the output shaft of the speed reducer (22) is provided with a driving bevel gear (23), the driving bevel gear (23) is engaged with a driven bevel gear (25) installed on the sleeve A (30), the sleeve A (30) is sleeved on the outside of the mandrel (24), the upper end of the mandrel (24) is provided with a rotor blade mounting seat (26), the circumferential direction of the rotor blade mounting seat (26) is provided with at least two blade connecting seats A (27), the end of each blade connecting seat A (27) away from the rotor blade mounting seat (26) is provided with a blade connecting seat B (28), the blade connecting seat B (28) is provided with a rotor blade (1).

3. A rotor mechanism for a simulator as claimed in claim 2, wherein: The drive frame (3) comprises a bottom plate (31), an intermediate plate (32) and a top plate (33), the two ends of the bottom plate (31), the intermediate plate (32) and the top plate (33) are connected by side plates (34), one side of the side plate (34) is provided with a motor mounting bracket (35), the motor (21) is installed on the motor mounting bracket (35), the output shaft of the speed reducer (22) passes through the side plate (34) close to the speed reducer (22) and is provided with a driving bevel gear (23), the driving bevel gear (23) is installed on the intermediate plate (32) through a bevel gear mounting bracket (36).

4. A rotor mechanism for a simulator as claimed in claim 3, wherein: The tilt (4) comprises at least two servo electric push rods (41) installed on both sides of the intermediate plate (32), the upper side of each servo electric push rod (41) is fixedly provided with a tilt stationary disc (42), the upper side of the tilt stationary disc (42) is provided with a tilt movable disc (43), the tilt movable disc (43) is provided with at least two variable torque pull rods (44), the upper side of the variable torque pull rod (44) is provided with a rotor blade (1).

5. A rotor mechanism for a simulator as claimed in claim 4, wherein: The tilt movable disc (43) and the tilt stationary disc (42) are both sleeved on the sleeve B (29), the sleeve B (29) is sleeved on the outside of the mandrel (24), the circumferential direction of the tilt movable disc (43) and the tilt stationary disc (42) and the sleeve B (29) is sequentially provided with a spherical hinge (45) and a bearing (46) from inside to outside.

6. A helicopter mechanism according to claim 5, wherein: The sleeve B (29) is provided with a clamp (47), the clamp (47) is located below the rotor blade mounting seat (26), two rotating torsion arms (48) are symmetrically installed between the clamp (47) and the tilt movable disc (43).

7. A rotor mechanism for a simulator as claimed in claim 6, wherein: The rotating torsion arm (48) comprises a lower arm A (481), the lower arm A (481) is installed on the tilt movable disc (43) through a mounting seat A (482), the lower arm A (481) is rotationally connected with the mounting seat A (482), the upper side of the lower arm A (481) is rotationally connected with an upper arm A (483), the other end of the upper arm A (483) is rotationally installed on the clamp (47).

8. The rotor mechanism of claim 4, wherein: The tilt not disc (42) and the top plate (33) are provided with a non-rotating torsion arm (49), the non-rotating torsion arm (49) comprises a lower arm B (491), the lower arm B (491) is installed on the top plate (33) through a mounting seat B (492), the lower arm B (491) and the mounting seat B (492) are rotatably connected, the upper arm B (493) is rotatably connected above the lower arm B (491), and the other end of the upper arm B (493) is rotatably installed on the tilt not disc (42).

9. The rotor mechanism of claim 4, wherein: The side surface of the paddle connecting seat A (27) is provided with a variable moment tension rod mounting plate (50), and the variable moment tension rod (44) is mounted on the variable moment tension rod mounting plate (50).

10. The rotor mechanism of claim 2, wherein: The upper side of the rotor blade mounting seat (26) is provided with a locking nut (5), the uppermost end of the mandrel (24) is provided with a top cover (6), and the top cover (6) and the paddle connecting seat B (28) are provided with a connecting rod (7).

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