CN118471047A - Helicopter flight vibration simulation platform - Google Patents

Abstract

The invention relates to the technical field of helicopter vibration control, and provides a helicopter flight vibration simulation platform, which comprises a base and a vibration simulation assembly, wherein the vibration simulation assembly comprises three vibration simulation units and three power units; the vibration simulation unit comprises a rolling structure, two ends of the rolling structure are eccentrically and rotatably connected with the base, two ends of the rolling structure are provided with vibration transmission rods, a first end of each vibration transmission rod is rotatably connected with the rolling structure, and a second end of each vibration transmission rod is used for transmitting vibration to the helicopter; the power unit comprises a motor, a first rocker arm, a connecting rod and a second rocker arm, wherein the first end of the first rocker arm is in transmission connection with an output shaft of the motor, the second end of the first rocker arm is hinged with the first end of the connecting rod, the first end of the second rocker arm is in rolling connection with the first end of the second rocker arm, and the second end of the second rocker arm is hinged with the second end of the connecting rod. The invention solves the defects that the amplitude range, the vibration frequency range and the vibration acceleration range of the existing vibration simulation platform are smaller and the use requirement of the flight simulator cannot be met.

Description

Helicopter flight vibration simulation platform

Technical Field

The invention relates to the technical field of helicopter vibration control, in particular to a helicopter flight vibration simulation platform.

Background

The helicopter vibration simulation platform is used for simulating high-frequency low-amplitude buffeting motion transmitted by the cockpit during the taking-off, landing and flying processes of the helicopter. The vibration sources comprise rotor vibration, tail rotor vibration, engine vibration, blade stall buffeting, weapon throwing, vibration when a helicopter has some faults and the like. In order to achieve realistic sensory simulation, new requirements are continuously put on the number of vibration output vibration frequencies and the amplitude accuracy of the vibration platform.

The existing helicopter vibration simulation platform is unreasonable in structure, so that the amplitude range, the vibration frequency range and the vibration acceleration range are not up to standard (smaller), the use requirement of a flight simulator cannot be met, and the use requirement of a full-task high-grade multifunctional helicopter flight training device (FFS) cannot be met due to the fact that the weight of the vibration platform is too large.

Disclosure of Invention

The invention provides a helicopter flight vibration simulation platform, which is used for solving the defect that the amplitude range, the vibration frequency range and the vibration acceleration range of the conventional helicopter vibration simulation platform are smaller and cannot meet the use requirement of a flight simulator.

The invention provides a helicopter flight vibration simulation platform, which comprises a base and a vibration simulation assembly, wherein the vibration simulation assembly comprises three vibration simulation units and three power units, the vibration simulation units are in one-to-one correspondence with the power units, the three vibration simulation units are uniformly distributed on the base along the circumferential direction, and the power units are arranged on the base;

The vibration simulation unit comprises a rolling structure, two ends of the rolling structure are eccentrically and rotatably connected with the base, two ends of the rolling structure are provided with vibration transmission rods, a first end of each vibration transmission rod is rotatably connected with the rolling structure, and a second end of each vibration transmission rod is used for transmitting vibration to the helicopter;

The power unit comprises a motor, a first rocker arm, a connecting rod and a second rocker arm, wherein the first end of the first rocker arm is in transmission connection with an output shaft of the motor, the second end of the first rocker arm is hinged with the first end of the connecting rod, the first end of the second rocker arm is in rolling connection with the first end of the connecting rod, and the second end of the second rocker arm is hinged with the second end of the connecting rod.

According to the helicopter flight vibration simulation platform provided by the invention, one end of the vibration transmission rod is eccentrically and rotatably connected with the rolling structure;

and a distance is arranged between the eccentric rotation connecting point of the rolling structure and the base and the eccentric rotation connecting point of the vibration transmission rod and the rolling structure.

According to the helicopter flight vibration simulation platform provided by the invention, the first end of the vibration transmission rod is rotationally connected with the rolling structure through the aligning bearing, the second end of the vibration transmission rod is provided with the supporting block, and the second end of the vibration transmission rod is rotationally connected with the supporting block through the aligning bearing.

The helicopter flight vibration simulation platform provided by the invention further comprises a support component for applying pre-support force to the helicopter, wherein the support component comprises a plurality of first support units, and the plurality of first support units are uniformly distributed on the base along the circumferential direction.

According to the helicopter flight vibration simulation platform provided by the invention, the first supporting unit comprises the air spring and the supporting frame, the air spring is arranged on the base, and the supporting frame is connected with the air spring.

The helicopter flight vibration simulation platform provided by the invention further comprises a pressure sensor, wherein the pressure sensor is connected with the air spring.

The helicopter flight vibration simulation platform provided by the invention further comprises an air charging device, wherein the air charging device is connected with the air spring, and the air charging device is in communication connection with the pressure sensor.

The helicopter flight vibration simulation platform provided by the invention further comprises a safety assembly, wherein the safety assembly comprises a plurality of second supporting units, and the second supporting units are arranged on the base.

According to the helicopter flight vibration simulation platform provided by the invention, the second supporting unit comprises the supporting column and the adjusting part, the first end of the supporting column is connected with the base, and the adjusting part is in threaded connection with the second end of the supporting part.

According to the helicopter flight vibration simulation platform provided by the invention, the vibration simulation unit comprises a first roller and a second roller which are adjacently arranged, and both ends of the first roller and the second roller are eccentrically and rotatably connected with the base;

the second end of the second rocker arm is connected with the first roller and the second roller.

According to the helicopter flight vibration simulation platform, the vibration simulation assembly is arranged on the base, three vibration simulation units of the vibration simulation assembly can apply multi-dimensional exciting forces to different positions of the helicopter through the vibration transmission rod, the power unit is driven by the motor and transmits power to the rolling structure through the first rocker arm, the connecting rod and the second rocker arm, the amplitude range, the vibration frequency range and the vibration acceleration of the simulation platform can be remarkably improved, and further the vivid effect of helicopter flight vibration simulation is improved.

Additional advantages, objects, and features of the invention will be set forth in part in the description which follows and in part will become apparent to those having ordinary skill in the art upon examination of the following or may be learned from practice of the invention. The objects and other advantages of the invention may be realized and obtained by means of the instrumentalities and combinations particularly pointed out in the specification.

Drawings

In order to more clearly illustrate the invention or the technical solutions of the prior art, the following description will briefly explain the drawings used in the embodiments or the description of the prior art, and it is obvious that the drawings in the following description are some embodiments of the invention, and other drawings can be obtained according to the drawings without inventive effort for a person skilled in the art.

FIG. 1 is a schematic diagram of a helicopter flight vibration simulation platform provided by an embodiment of the invention;

FIG. 2 is a schematic diagram of the connection of a vibration simulation unit and a power unit in a helicopter flight vibration simulation platform provided by an embodiment of the invention;

FIG. 3 is a schematic view of a first support unit in a helicopter flight vibration simulation platform provided by an embodiment of the present invention;

fig. 4 is a schematic diagram of a second support unit in a helicopter flight vibration simulation platform provided by an embodiment of the invention.

Reference numerals:

1. A base; 2. a rolling structure; 2a, a first roller; 2b, a second roller; 3. a vibration transmission rod; 4. a motor; 5. a first rocker arm; 6. a connecting rod; 7. a second rocker arm; 8. a first eccentric shaft; 9. a bearing seat; 10. a second eccentric shaft; 11. a support block; 12. an air spring; 13. a support frame; 14. an air spring backing plate; 15. a pressure sensor; 16. a support column; 17. an adjusting part.

Detailed Description

For the purpose of making the objects, technical solutions and advantages of the present invention more apparent, the technical solutions of the present invention will be clearly and completely described below with reference to the accompanying drawings, and it is apparent that the described embodiments are some embodiments of the present invention, not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the invention without making any inventive effort, are intended to be within the scope of the invention.

In the description of the embodiments of the present invention, it should be noted that the terms "center", "longitudinal", "lateral", "upper", "lower", "front", "rear", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc. indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are merely for convenience in describing the embodiments of the present invention and simplifying the description, and do not indicate or imply that the apparatus or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the embodiments of the present invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.

In describing embodiments of the present invention, it should be noted that, unless explicitly stated and limited otherwise, the terms "coupled," "coupled," and "connected" should be construed broadly, and may be either a fixed connection, a removable connection, or an integral connection, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in embodiments of the present invention will be understood in detail by those of ordinary skill in the art.

In embodiments of the invention, unless expressly specified and limited otherwise, a first feature "up" or "down" on a second feature may be that the first and second features are in direct contact, or that the first and second features are in indirect contact via an intervening medium. Moreover, a first feature being "above," "over" and "on" a second feature may be a first feature being directly above or obliquely above the second feature, or simply indicating that the first feature is level higher than the second feature. The first feature being "under", "below" and "beneath" the second feature may be the first feature being directly under or obliquely below the second feature, or simply indicating that the first feature is less level than the second feature.

In the description of the present specification, a description referring to terms "one embodiment," "some embodiments," "examples," "specific examples," or "some examples," etc., means that a particular feature, structure, material, or characteristic described in connection with the embodiment or example is included in at least one embodiment or example of the embodiments of the present invention. In this specification, schematic representations of the above terms are not necessarily directed to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples. Furthermore, the different embodiments or examples described in this specification and the features of the different embodiments or examples may be combined and combined by those skilled in the art without contradiction.

The helicopter flight vibration simulation platform provided by the invention is described below with reference to fig. 1 to 4.

Referring to fig. 1 and 2, the helicopter flight vibration simulation platform provided by the embodiment of the invention comprises a base 1 and a vibration simulation assembly, wherein the vibration simulation assembly comprises three vibration simulation units and three power units, the vibration simulation units are in one-to-one correspondence with the power units, the three vibration simulation units are uniformly distributed on the base 1 along the circumferential direction, and the power units are arranged on the base 1;

The vibration simulation unit comprises a rolling structure 2, wherein both ends of the rolling structure 2 are eccentrically and rotatably connected with the base 1, both ends of the rolling structure 2 are provided with vibration transmission rods 3, a first end of each vibration transmission rod 3 is rotatably connected with the rolling structure 2, and a second end of each vibration transmission rod 3 is used for transmitting vibration to the helicopter;

The power unit comprises a motor 4, a first rocker arm 5, a connecting rod 6 and a second rocker arm 7, wherein the first end of the first rocker arm 5 is in transmission connection with an output shaft of the motor 4, the second end of the first rocker arm 5 is hinged with the first end of the connecting rod 6, the first end of the second rocker arm 7 is in rolling connection with the first end of the second rocker arm 7, and the second end of the second rocker arm 7 is hinged with the second end of the connecting rod 6.

According to the helicopter flight vibration simulation platform provided by the invention, the vibration simulation assembly is arranged on the base 1, three vibration simulation units of the vibration simulation assembly can apply multi-dimensional exciting forces to different positions of the helicopter through the plurality of vibration transmission rods 3, the power unit is driven by the motor 4 and transmits power to the rolling structure 2 through the first rocker arm 5, the connecting rod 6 and the second rocker arm 7, so that the amplitude range, the vibration frequency range and the vibration acceleration of the simulation platform can be obviously improved, and the vivid effect of helicopter flight vibration simulation is further improved.

Specifically, referring to fig. 1, in the present embodiment, the base 1 is a plate-shaped member, and three vibration simulation units are uniformly distributed on the upper surface of the base 1 around the center of the base 1, and similarly, three power units are uniformly distributed on the upper surface of the base 1 around the center of the base 1 and located inside the three vibration simulation units around the base 1. The three vibration simulation units are driven by the independent motors 4 respectively, and can be controlled independently according to simulation requirements to simulate and generate corresponding vibration effects, so that more realistic helicopter simulation flight vibration effects are realized.

Referring to fig. 2, in each vibration simulation unit, the rolling structure 2 includes a first roller 2a and a second roller 2b disposed adjacently, and a second end of the second swing arm 7 is connected to both the first roller 2a and the second roller 2 b. The second rocker arm 7 comprises two driving plates which are arranged in parallel, first ends of the two driving plates are connected through a connecting shaft, a second end of one driving plate is connected with the inner end of the first roller 2a, and a second end of the other driving plate is connected with the inner end of the second roller 2 b. So that the two driving plates of the second swing arm 7 can simultaneously drive the first roller 2a and the second roller 2b to move.

The two ends of the first roller 2a and the second roller 2b are respectively provided with a first eccentric shaft 8, the two ends of the first roller 2a and the second roller 2b are respectively provided with a bearing seat 9, and the bearing seats 9 are provided with bearings matched with the first eccentric shafts 8, so that the first roller 2a and the second roller 2b are configured to be in rotary connection with the base 1.

It should be noted that, in each vibration simulation unit, the first eccentric shafts 8 disposed at two ends of the first roller 2a and the second roller 2b are coaxially disposed, so as to ensure that the second rocker arm 7 does not get stuck when the first roller 2a and the second roller 2b are driven to roll.

When the helicopter flies to vibrate the simulation experiment, the helicopter is supported by six vibration transmission rods 3 in three vibration simulation units, and three motors 4 run according to a preset program.

Under the simulation operating mode, the output shaft of motor 4 is quick periodic reciprocal rotation in certain angle range, through first rocking arm 5, connecting rod 6 and second rocking arm 7 with power transmission to rolling structure 2, because rolling structure 2's both ends are eccentric rotation with base 1 and are connected, rolling structure 2 produces the simulation vibration effect and transmits the vibration effect to the different positions of helicopter through vibration transfer pole 3, and then promotes the lifelike effect of helicopter flight vibration simulation.

Under another kind of simulation operating mode, the output shaft of motor 4 rotates along the whole circle of same direction, through first rocking arm 5, connecting rod 6 and second rocking arm 7 with power transmission to rolling structure 2, because rolling structure 2's both ends are eccentric rotation with base 1 and are connected, rolling structure 2 produces the simulation vibration effect and transmits the vibration effect to the different positions of helicopter through vibration transfer pole 3, and then promotes the lifelike effect of helicopter flight vibration simulation.

The amplitude range, the vibration frequency range and the vibration acceleration of the simulation platform can be greatly improved under the two simulation working conditions, and the realistic effect of helicopter flight vibration simulation can be remarkably improved.

Referring to fig. 1 and 2, according to some embodiments of the present invention, one end of a vibration transmission rod 3 is eccentrically rotatably connected to a rolling structure 2; a space is arranged between the eccentric rotation connecting point of the rolling structure 2 and the base 1 and the eccentric rotation connecting point of the vibration transmission rod 3 and the rolling structure 2. Through the arrangement, when the second rocker arm 7 drives the rolling structure 2 to eccentrically roll, the vibration amplitude in the Z direction can be further amplified through eccentric rotation connection between the vibration transmission rod 3 and the rolling structure 2, and the vibration amplitude range, the vibration frequency range and the vibration acceleration of the simulation platform are further improved.

Specifically, the outer ends of the first and second drums 2a and 2b are provided with second eccentric shafts 10, respectively, and the first end of the vibration transmission rod 3 is rotatably connected to the second eccentric shafts 10.

It should be noted that, the "a distance is provided between the eccentric rotation connection point of the rolling structure 2 and the base 1 and the eccentric rotation connection point of the vibration transmission rod 3 and the rolling structure 2" specifically means that the eccentric rotation connection point of the rolling structure 2 and the base 1 and the eccentric rotation connection point of the vibration transmission rod 3 and the rolling structure 2 are two different points, and the axes of the first eccentric shaft 8 and the second eccentric shaft 10 are parallel to each other.

According to some embodiments of the invention, the first end of the vibration transmission rod 3 is rotatably connected to the rolling structure 2 via a self-aligning bearing, the second end of the vibration transmission rod 3 is provided with a support block 11, and the second end of the vibration transmission rod 3 is rotatably connected to the support block 11 via a self-aligning bearing. By rotationally connecting both ends of the vibration transmission rod 3 with the rolling structure 2 and the supporting block 11, respectively, by using the aligning bearing, it is possible to generate an adaptive motion between the vibration transmission rod 3 and the rolling structure 2 and the supporting block 11 when the vibration simulation unit generates vibrations in the X-direction and the Y-direction.

Referring to fig. 1 and 2, the helicopter flight vibration simulation platform further comprises a support assembly for applying a pre-support force to the helicopter, wherein the support assembly comprises a plurality of first support units which are uniformly distributed on the base 1 along the circumferential direction. Through setting up supporting component, can exert the effect of pre-supporting to the helicopter, the drive effect that makes the vibration simulation unit produce can be used for driving the helicopter simulation vibration completely to promote the response speed of helicopter flight vibration simulation platform.

During experiments, the supporting component applies supporting action to the helicopter, the gravity of the helicopter is counteracted, the vibration simulation unit is not affected by the gravity of the helicopter, the driving action can be completely used for generating simulation vibration to the helicopter, and the response speed of the helicopter flight vibration simulation platform can be improved.

Specifically, referring to fig. 1, in this embodiment, the support assembly includes three first support units, and the three first support units are uniformly distributed on the base 1 along the circumferential direction, so as to support different parts of the helicopter.

Referring to fig. 1 to 3, according to some embodiments of the present invention, the first support unit includes an air spring 12 and a support bracket 13, the air spring 12 is provided to the base 1, and the support bracket 13 is connected to the air spring 12. Through adopting air spring 12 to support the helicopter, can come accurate control holding power through adjusting air pressure for the helicopter can keep specific height and gesture as required in the simulation experiment, is favorable to the accuracy of experimental data. And because the air spring 12 can adjust supporting force and height, can adapt to the helicopter vibration simulation experiment demand of different specifications or types in a flexible way, improve flexibility and the variety of experiment.

Specifically, referring to fig. 1 and 3, in the present embodiment, the first support unit further includes an air spring pad 14, the air spring pad 14 is fixedly disposed on the base 1 by bolts, and the air spring 12 is disposed on the air spring pad 14.

Referring to fig. 1, according to some embodiments of the present invention, the helicopter flight vibration simulation platform further includes a pressure sensor 15, the pressure sensor 15 being connected to the air spring 12. By providing the pressure sensor 15, the air pressure change inside the air spring 12 can be monitored in real time, providing accurate pressure data. By monitoring the pressure change inside the air spring 12, the supporting force of the air spring 12 can be adjusted in real time, and the helicopter is ensured to maintain stable posture and height in a simulation experiment. In addition, the pressure sensor 15 can record pressure change data inside the air spring 12 for subsequent data analysis and vibration characteristic study, helping to optimize the simulation experiment scheme.

Specifically, referring to fig. 1, in the present embodiment, a sensor holder is provided on the base 1, and a pressure sensor 15 is provided on the sensor holder. The pressure sensor 15 is a pressure gauge.

According to some embodiments of the invention, the helicopter flight vibration simulation platform further comprises an inflator device connected to the air spring 12, the inflator device being in communication with the pressure sensor 15. The air spring 12 is connected with the air charging device, so that the air pressure inside the air spring 12 can be accurately regulated, the supporting force in the helicopter simulation experiment is controlled, and the accuracy and stability of the simulation experiment are improved. Meanwhile, the pressure change of the air charging device in the air charging process can be monitored and controlled by the air charging device and the pressure sensor 15 in a communication connection mode, the air pressure is ensured to reach a preset value, and the reliability and the safety of a simulation experiment are ensured.

Referring to fig. 1, according to some embodiments of the present invention, the helicopter flight vibration simulation platform further includes a safety assembly including a plurality of second supporting units, each of the plurality of second supporting units being provided to the base 1. Through setting up the safety component, can support the helicopter when unexpected dropping, prevent to initiate the incident. In addition, the helicopter may be supported by a plurality of second support units when no experiments are performed (e.g., during installation and commissioning of the apparatus or transfer).

Specifically, referring to fig. 1, in this embodiment, the safety assembly includes six second supporting units, which are all disposed on the base 1 to support different parts of the helicopter.

Referring to fig. 4, according to some embodiments of the present invention, the second bearing unit includes a support column 16 and an adjustment part 17, a first end of the support column 16 is connected to the base 1, and the adjustment part 17 is screw-coupled to a second end of the support part. By screwing the adjusting portion 17 to the support column 16, the supporting height of the support column 16 can be adjusted by rotating the adjusting portion 17.

As can be seen from the description of the above embodiments, the helicopter flight vibration simulation platform provided by the invention has at least the following advantages:

(1) According to the helicopter flight vibration simulation platform provided by the invention, the vibration simulation assembly is arranged on the base 1, three vibration simulation units of the vibration simulation assembly can apply multi-dimensional exciting forces to different positions of the helicopter through the plurality of vibration transmission rods 3, the power unit is driven by the motor 4 and transmits power to the rolling structure 2 through the first rocker arm 5, the connecting rod 6 and the second rocker arm 7, so that the amplitude range, the vibration frequency range and the vibration acceleration of the simulation platform can be obviously improved, and the vivid effect of helicopter flight vibration simulation is further improved.

(2) According to the helicopter flight vibration simulation platform, the support component is arranged, so that a pre-support effect can be applied to the helicopter, and the driving effect generated by the vibration simulation unit can be completely used for driving the helicopter to simulate vibration, so that the response speed of the helicopter flight vibration simulation platform is improved.

(3) According to the helicopter flight vibration simulation platform, the safety assembly is arranged, so that the helicopter can be supported when the helicopter falls accidentally, and safety accidents are prevented from being caused. In addition, the helicopter may be supported by a plurality of second support units when no experiments are performed (e.g., during installation and commissioning of the apparatus or transfer).

Finally, it should be noted that: the above embodiments are only for illustrating the technical solution of the present invention, and are not limiting; although the invention has been described in detail with reference to the foregoing embodiments, it will be understood by those of ordinary skill in the art that: the technical scheme described in the foregoing embodiments can be modified or some technical features thereof can be replaced by equivalents; such modifications and substitutions do not depart from the spirit and scope of the technical solutions of the embodiments of the present invention.

Claims (10)

1. The helicopter flight vibration simulation platform is characterized by comprising a base and a vibration simulation assembly, wherein the vibration simulation assembly comprises three vibration simulation units and three power units, the vibration simulation units are in one-to-one correspondence with the power units, the three vibration simulation units are uniformly distributed on the base along the circumferential direction, and the power units are arranged on the base;

The vibration simulation unit comprises a rolling structure, two ends of the rolling structure are eccentrically and rotatably connected with the base, two ends of the rolling structure are provided with vibration transmission rods, a first end of each vibration transmission rod is rotatably connected with the rolling structure, and a second end of each vibration transmission rod is used for transmitting vibration to the helicopter;

The power unit comprises a motor, a first rocker arm, a connecting rod and a second rocker arm, wherein the first end of the first rocker arm is in transmission connection with an output shaft of the motor, the second end of the first rocker arm is hinged with the first end of the connecting rod, the first end of the second rocker arm is in rolling connection with the first end of the connecting rod, and the second end of the second rocker arm is hinged with the second end of the connecting rod.

2. The helicopter flight vibration simulation platform of claim 1 wherein one end of the vibration transfer rod is eccentrically and rotatably connected to the rolling structure;

and a distance is arranged between the eccentric rotation connecting point of the rolling structure and the base and the eccentric rotation connecting point of the vibration transmission rod and the rolling structure.

3. The helicopter flight vibration simulation platform of claim 1 wherein a first end of the vibration transfer lever is rotatably connected to the rolling structure via a self-aligning bearing and a second end of the vibration transfer lever is provided with a support block and a second end of the vibration transfer lever is rotatably connected to the support block via a self-aligning bearing.

4. The helicopter flight vibration simulation platform of claim 1 further comprising a support assembly for applying a pre-support force to the helicopter, the support assembly comprising a plurality of first support units, the plurality of first support units being circumferentially and uniformly distributed about the base.

5. The helicopter flying vibration simulation platform according to claim 4, wherein the first support unit comprises an air spring and a support frame, the air spring is arranged on the base, and the support frame is connected with the air spring.

6. The helicopter fly vibration simulation platform of claim 5, further comprising a pressure sensor coupled to the air spring.

7. The helicopter flight vibration simulation platform of claim 6 further comprising an inflator coupled to the air spring, the inflator being communicatively coupled to the pressure sensor.

8. The helicopter flight vibration simulation platform of claim 1 further comprising a safety assembly comprising a plurality of second support units, a plurality of the second support units each being provided to the base.

9. The helicopter flying vibration simulation platform according to claim 8, wherein the second supporting unit includes a support column and an adjusting portion, a first end of the support column is connected to the base, and the adjusting portion is screwed to a second end of the support portion.

10. The helicopter flight vibration simulation platform of any of claims 1 to 9, wherein the vibration simulation unit comprises a first roller and a second roller which are adjacently arranged, and both ends of the first roller and the second roller are eccentrically and rotatably connected with the base;

the second end of the second rocker arm is connected with the first roller and the second roller.