Multi-degree-of-freedom particle separator flow field test supporting device
By designing a multi-degree-of-freedom particle separator flow field test support device, the particle separator was accurately adjusted and stably controlled under multi-degree-of-freedom conditions, solving the problem that existing technologies cannot simulate the downwash flow field of helicopter rotors, and supporting helicopter performance testing.
Patent Information
- Application Number
- CN202520542182.9
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-03-25
- Publication Date
- 2026-02-13
- Estimated Expiration
- 2035-03-25
AI Technical Summary
Existing technologies cannot simulate the pitch, sideslip, roll, and yaw movements of a particle separator in the downwash flow field of a helicopter rotor, and cannot meet the testing requirements for multi-degree-of-freedom operating conditions.
Design a multi-degree-of-freedom particle separator flow field test support device, including a liftable installation platform, a side sliding mechanism, a pitching mechanism and a roll mechanism. The multi-degree-of-freedom adjustment and locking of the particle separator are realized through a drive motor and a mechanical locking mechanism. An angle sensor and an angular velocity sensor are equipped for status monitoring.
It achieves precise adjustment and stable control of the particle separator under multi-degree-of-freedom conditions, and can stay and lock at any position within a specified attitude angle range, supporting simulation tests of the underwash flow field of helicopter rotors.
Smart Images

Figure CN223910470U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to support device technical field, more specifically, relate to a kind of multi-degree-of-freedom particle separator flow field test support device. BACKGROUND
[0002] The research on the downwash flow field of helicopter rotor is an important research on the flight performance, safety and applicability of helicopter, which needs to simulate the pitch, sideslip angle, roll angle and lift of particle separator through support structure, wherein the pitch control range is ±70°, the sideslip angle range is ±90°, the roll angle range is 360°, and the lift height needs to be designed according to actual requirements. At present, there is no testing equipment specially used for simulating the multi-degree-of-freedom working condition of helicopter on the market, which cannot simulate the pitch, sideslip angle, roll angle and lift of particle separator.
[0003] The utility model CN222095895U discloses a horizontal support device based on double-shaft test rotary table, which comprises first and second horizontal support frame mechanisms arranged in parallel on both sides of the double-shaft test rotary table and fixedly connected through a horizontal connecting seat. Each of the first and second horizontal support frame mechanisms comprises a movable base, a fixed frame, a lifting frame and an electric telescopic rod. The lifting frame is composed of a telescopic frame body and a double-shaft rotary table mounting body. The support device of this scheme cannot be used to simulate the pitch, sideslip angle, roll angle and lift of particle separator. SUMMARY
[0004] The utility model discloses a kind of multi-degree-of-freedom particle separator flow field test support devices, to realize the simulation of pitch, sideslip angle, roll angle and lift of particle separator.
[0005] The utility model discloses the technical scheme that is adopted:
[0006] A kind of multi-degree-of-freedom particle separator flow field test support device, including multi-degree-of-freedom support device and particle separator installed on multi-degree-of-freedom support device, the degree-of-freedom support device includes liftable mounting platform, side slip mechanism is installed on mounting platform, the side slip mechanism includes rotary bearing and drive motor, drive motor controls rotary bearing 360 ° within any angle adjustment, rotary bearing connects mounting platform with U-shaped rack;Pivotally connected with pitch mechanism on U-shaped rack, the pitch mechanism includes pitch platform and rotary drive system installed on pitch platform, the pitch platform is provided with roll mechanism, the roll mechanism includes roll drive system and roll frame, pitch platform is pivotally connected with roll frame, and roll frame is provided with particle separator.
[0007] Further, the liftable mounting platform is provided with a plurality of worm gears, which are driven by lifting motors.
[0008] Further, the lifting motor is provided with one motor, which is connected with a reducer, a commutator and a connecting shaft.
[0009] Further, the rotation driving system comprises a rotation driving motor, a rotation control system electrically connected with the rotation driving motor and a mechanical locking mechanism arranged on a driving shaft of the rotation driving motor.
[0010] Further, the pitching mechanism is connected with the U-shaped bracket through a pitching bearing seat.
[0011] Further, the pitching platform is provided with an angle sensor and an angular velocity sensor.
[0012] Further, the pitching platform is connected with a roll frame through a roll bearing.
[0013] Further, the roll driving system comprises a roll driving motor, a roll control system electrically connected with the roll driving motor and a mechanical locking mechanism arranged on a driving shaft of the roll driving motor.
[0014] Further, the roll frame is provided with an angle sensor and an angular velocity sensor.
[0015] Further, the mechanical locking mechanism is a hydraulic brake.
[0016] Compared with the prior art, the particle separator flow field test supporting device has the advantages that:
[0017] The liftable mounting platform, the side sliding mechanism, the pitching mechanism and the roll mechanism are arranged, so that the lifting, the side sliding angle, the pitching and the roll angle of the particle separator can be adjusted and controlled, the stable transformation of the action can be realized according to the set parameters during the test, and the device can be monitored and the data can be recorded through the angle sensor and the angular velocity sensor. BRIEF DESCRIPTION OF DRAWINGS
[0018] Figure 1 It is a multi-degree-of-freedom particle separator flow field test supporting device structure schematic view.
[0019] Figure 2 It is a mounting platform structure schematic view.
[0020] Figure 3 It is a pitching mechanism structure schematic view.
[0021] Figure 4 It is a roll mechanism structure schematic view.
[0022] Wherein: 1, installation platform; 11, worm gear elevator; 12, lifting motor; 13, speed reducer; 14, commutator; 15, connecting shaft; 2, slewing bearing; 3, driving motor; 4, U-shaped rack; 5, pitch mechanism; 51, pitch platform; 52, pitch bearing seat; 53, slewing driving motor; 54, mechanical locking mechanism one; 6, roll mechanism; 61, roll frame; 62, roll bearing seat; 63, roll driving motor; 64, mechanical locking mechanism two; 7, particle separator. DETAILED DESCRIPTION
[0023] To clearly illustrate the technical features of the present scheme, the following through specific implementation, and combining its drawings, the utility model is described in detail. In the following description, a lot of specific details are set forth in order to fully understand the present application, however, the present application can also be implemented in other ways different from the description herein, therefore, the protection scope of the present application is not limited by the specific embodiments disclosed below. In addition, in the description of the present application, it is understood that the terms "center", "upper", "lower", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", "axial", "radial", "circumferential" and the like indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, and are only for the convenience of describing the present application and simplifying the description, and are not intended to indicate or imply that the device or element referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore cannot be understood as a limitation on the present application. In addition, the terms "first", "second" are only for descriptive purposes, and cannot be understood as indicating or implying relative importance or implicitly indicating the number of technical features indicated. Therefore, the features limited by "first", "second" can be explicitly or implicitly included one or more features. In the description of the present application, the meaning of "a plurality of" is two or more, unless otherwise explicitly specified and limited. In the present application, unless otherwise explicitly specified and limited, the terms "mounting", "connection", "connection", "fixing" and the like should be understood broadly, for example, it can be fixedly connected, or it can be detachably connected, or it can be integrated; it can be mechanically connected, or it can be electrically connected, or it can be communicated; it can be directly connected, or it can be indirectly connected through an intermediate medium, or it can be the communication or interaction relationship between two elements. For those skilled in the art, the specific meaning of the above terms in the present application can be understood according to the specific circumstances. In the present application, unless otherwise explicitly specified and limited, the first feature is "on" or "under" the second feature, which can be the direct contact of the first and second features, or the indirect contact of the first and second features through an intermediate medium. In the description of the present application, the description of the terms "one embodiment", "some embodiments", "example", "specific example", or "some examples" means that the specific features, structures, materials or characteristics described in conjunction with the embodiment or example are included in at least one embodiment or example of the present application. In the present application, the illustrative description of the above terms does not necessarily refer to the same embodiment or example. Moreover, the specific features, structures, materials or characteristics described can be combined in any one or more embodiments or examples in a suitable manner.
[0024] Embodiment 1
[0025] Please refer to Figures 1 to 4The utility model provides a kind of embodiment of the utility model: a kind of multi-degree-of-freedom particle separator flow field test support device, including multi-degree-of-freedom support device and particle separator 7 being installed on multi-degree-of-freedom support device, the degree-of-freedom support device includes liftable mounting platform 1, side slide mechanism is installed on mounting platform 1, the side slide mechanism includes slewing bearing 2 and drive motor 3, drive motor 3 controls slewing bearing 360 ° in any angle adjustment, slewing bearing 2 is connected mounting platform 1 with U-shaped rack 4;U-shaped rack 4 is provided with pitching mechanism 5, and pitching mechanism 5 is rotatably connected with U-shaped rack 4, the pitching mechanism 5 includes pitching platform 51 and is installed in the slewing drive system of pitching platform 51, the pitching platform 51 is provided with roll mechanism 6, and the roll mechanism 6 includes roll drive system and roll frame 61, and the pitching platform 51 is rotatably connected with roll frame 61, and particle separator 7 is arranged on roll frame 61.
[0026] Specifically, the liftable mounting platform 1 uses cast iron platform as support structure, effectively reducing shock and bearing the gravity of the whole device, six turbine worm elevators 11 are arranged, the turbine worm elevators 11 are driven by lifting motor 12, the turbine worm elevator 11 lifting machine adopts T-type screw rod form, the lifting height is 300mm, the single lifting bearing of the turbine worm elevator 11 can reach 10T, then six can satisfy 60T supporting force, guarantee the overall bearing capacity of the device.
[0027] The pitching platform 51 is connected with the U-shaped rack 4 through the pitching bearing seat 52, the slewing drive system includes a slewing drive motor 53, a slewing control system electrically connected with the slewing drive motor, a mechanical locking mechanism one 54 arranged on the driving shaft of the slewing drive motor, the mechanical locking mechanism one 54 is a hydraulic brake, the rotation shaft is controlled by oil pressure to brake and disengage, the slewing drive motor 53 drives the pitching platform 51 to rotate in any inclination within ±70° in the pitching bearing seat 52, and the mechanical locking mechanism one 54 is used to lock the pitching platform 51 at any angle, to ensure accurate control of the angle and prevent deviation caused by external force.
[0028] The pitching platform 51 is connected with the roll frame 61 through the roll bearing seat 62, the roll drive system includes a roll drive motor 63, a roll control system electrically connected with the roll drive motor, a mechanical locking mechanism two 64 arranged on the driving shaft of the roll drive motor, the roll drive motor 63 drives the roll frame 61 to rotate in any inclination within ±70° in the roll bearing seat 62, and the mechanical locking mechanism two 64 is used to lock the roll frame 61 at any angle, to ensure accurate control of the angle and prevent deviation caused by external force.
[0029] The support device of the embodiment can control the adjustment of the particle separator in the aspects of lifting, sideslip angle, pitch, and roll angle, and can stop and lock at any position within a specified attitude angle range.
[0030] Embodiment 2
[0031] Referring to Figures 1 to 4 The utility model provides a kind of multi-degree-of-freedom particle separator flow field test support device, including multi-degree-of-freedom support device and particle separator 7 being installed on multi-degree-of-freedom support device, and the degree-of-freedom support device includes liftable mounting platform 1, and side slip mechanism is installed on mounting platform 1, and the side slip mechanism includes slewing bearing 2 and drive motor 3, drive motor 3 controls slewing bearing 360 ° within any angle adjustment, and slewing bearing 2 is connected mounting platform 1 with U-shaped rack 4;U-shaped rack 4 is provided with pitch mechanism 5, and pitch mechanism 5 is rotatably connected with U-shaped rack 4, and the pitch mechanism 5 includes pitch platform 51 and slewing drive system being installed on pitch platform 51, and the pitch platform 51 is provided with roll mechanism 6, and the roll mechanism 6 includes roll drive system and roll frame 61, and pitch platform 51 is rotatably connected with roll frame 61, and roll frame 61 is provided with particle separator 7.
[0032] Specifically, the liftable mounting platform 1 adopts a cast iron platform as a support structure, effectively reducing vibration and bearing the weight of the entire device, and six worm gear elevators 11 are arranged, which are driven by lifting motors 12. The worm gear elevators 11 adopt a T-shaped screw form, with a lifting height of 300 mm. The single lifting capacity of the worm gear elevators 11 can reach 10T, and the six worm gear elevators can provide a support force of 60T, ensuring the overall bearing capacity of the device.
[0033] Further, only one lifting motor 12 is provided, which is connected to a speed reducer 13 and then connected to a commutator 14. The commutator 14 is further connected to a connecting shaft 15, which transmits torque to the worm gear elevators 11. The use of one motor can improve the consistency of the worm gear elevators 11 and ensure the stability of the lifting of the mounting platform 1.
[0034] The pitching platform 51 is connected with the U-shaped rack 4 through a pitching bearing seat 52, the rotary drive system comprises a rotary drive motor 53, a rotary control system in electrical signal connection with the rotary drive motor, a mechanical locking mechanism one 54 arranged on a driving shaft of the rotary drive motor, the mechanical locking mechanism one 54 is a hydraulic brake, the brake and disengagement of the rotary shaft are controlled through oil pressure, the rotary drive motor 53 drives the pitching platform 51 to rotate in the pitching bearing seat 52 to realize the rotation of any inclination angle within the range of ±70°, and the mechanical locking mechanism one 54 is used to ensure the locking of the pitching platform 51 at any angle, so that the accurate control of the angle is ensured, and the deviation caused by external force is prevented.
[0035] The pitching platform 51 is connected with the U-shaped rack 4 through a pitching bearing seat 52, the rotary drive system comprises a rotary drive motor 53, a rotary control system in electrical signal connection with the rotary drive motor, a mechanical locking mechanism one 54 arranged on a driving shaft of the rotary drive motor, the mechanical locking mechanism one 54 is a hydraulic brake, the brake and disengagement of the rotary shaft are controlled through oil pressure, the rotary drive motor 53 drives the pitching platform 51 to rotate in the pitching bearing seat 52 to realize the rotation of any inclination angle within the range of ±70°, and the mechanical locking mechanism one 54 is used to ensure the locking of the pitching platform 51 at any angle, so that the accurate control of the angle is ensured, and the deviation caused by external force is prevented.
[0036] The support device of the embodiment can control the adjustment of the particle separator lifting, side slip angle, pitching and rolling angle, and stay and lock at any position within the specified attitude angle range.
[0037] Embodiment 3
[0038] Please refer to Figures 1 to 4 , the utility model provides a kind of embodiment: a kind of multi-degree-of-freedom particle separator flow field test support device, including multi-degree-of-freedom support device and particle separator 7 installed on multi-degree-of-freedom support device, and the degree-of-freedom support device includes installable lifting platform 1, and side slip mechanism is installed on installable lifting platform 1, and the side slip mechanism includes rotary bearing 2 and drive motor 3, and drive motor 3 controls rotary bearing 360 ° within any angle adjustment, and rotary bearing 2 connects installable lifting platform 1 with U-shaped rack 4;U-shaped rack 4 is provided with pitching mechanism 5, and pitching mechanism 5 is rotatably connected with U-shaped rack 4, and the pitching mechanism 5 includes pitching platform 51 and rotary drive system installed on the pitching platform 51, and the pitching platform 51 is provided with rolling mechanism 6, and the rolling mechanism 6 includes rolling drive system and rolling frame 61, and the pitching platform 51 is rotatably connected with the rolling frame 61, and particle separator 7 is arranged on the rolling frame 61.
[0039] Specifically, the elevatable mounting platform 1 adopts a cast iron platform as a support structure, effectively reducing shock and bearing the gravity of the entire device, and six worm gear elevators 11 are arranged, which are driven by lifting motors 12. The worm gear elevators 11 adopt a T-shaped screw rod form, the lifting height is 300 mm, and the single lifting bearing of the worm gear elevators 11 can reach 10T, and six worm gear elevators can meet the support force of 60T, thereby ensuring the overall bearing capacity of the device.
[0040] The pitching platform 51 is connected with the U-shaped rack 4 through a pitching bearing seat 52, and a rotary drive system includes a rotary drive motor 53, a rotary control system in signal connection with the rotary drive motor, and a mechanical locking mechanism one 54 arranged on a driving shaft of the rotary drive motor. The mechanical locking mechanism one 54 is a hydraulic brake, which controls the braking and disengagement of the rotary shaft through oil pressure. The rotary drive motor 53 drives the pitching platform 51 to rotate at an arbitrary inclination angle within a range of ±70° in the pitching bearing seat 52, and the mechanical locking mechanism one 54 is used to ensure the locking of the pitching platform 51 at an arbitrary angle, thereby ensuring the precise control of the angle and preventing the deviation caused by external force.
[0041] The pitching platform 51 is connected with the U-shaped rack 4 through a pitching bearing seat 52, and a rotary drive system includes a rotary drive motor 53, a rotary control system in signal connection with the rotary drive motor, and a mechanical locking mechanism one 54 arranged on a driving shaft of the rotary drive motor. The mechanical locking mechanism one 54 is a hydraulic brake, which controls the braking and disengagement of the rotary shaft through oil pressure. The rotary drive motor 53 drives the pitching platform 51 to rotate at an arbitrary inclination angle within a range of ±70° in the pitching bearing seat 52, and the mechanical locking mechanism one 54 is used to ensure the locking of the pitching platform 51 at an arbitrary angle, thereby ensuring the precise control of the angle and preventing the deviation caused by external force.
[0042] Further, the pitching platform 51 and the roll frame 61 are provided with an angle sensor and an angular velocity sensor. By collecting the angle and angular velocity parameters of the pitching platform 51 and the roll frame 61, the angle and angular velocity of the device can be monitored in real time and data recording can be performed, thereby facilitating the analysis of experimental data in the later stage.
[0043] The support device of the embodiment can control the adjustment of the particle separator in terms of lifting, side slip angle, pitching, and roll angle, and can stop and lock at an arbitrary position within a specified attitude angle range.
[0044] It is apparent for a person skilled in the art that the present application is not limited to the details of the above-described exemplary embodiments, but that it can be implemented in other concrete forms without departing from the spirit or essential characteristics of the application. Therefore, the embodiments should be considered in all respects as illustrative and not restrictive, the scope of the application being defined by the appended claims rather than the above description, and all changes coming within the meaning and range of equivalency of the claims are therefore intended to be embraced therein, no reference signs in the claims being regarded as limiting the claim in which they are used.
Claims
1. A multi-degree-of-freedom particle separator flow field test support device, comprising a multi-degree-of-freedom support device and a particle separator mounted on the multi-degree-of-freedom support device, characterized in that, The degree-of-freedom support device includes a liftable mounting platform with a side-sliding mechanism. The side-sliding mechanism includes a slewing bearing and a drive motor. The drive motor controls the slewing bearing to adjust to any angle within 360°. The slewing bearing connects the mounting platform to a U-shaped frame. A pitching mechanism is rotatably connected to the U-shaped frame. The pitching mechanism includes a pitching platform and a slewing drive system mounted on the pitching platform. The pitching platform is equipped with a roll mechanism, which includes a roll drive system and a roll frame. The pitching platform and the roll frame are rotatably connected. A particle separator is mounted on the roll frame.
2. The multi-degree-of-freedom particle separator flow field test support device according to claim 1, characterized in that, The liftable installation platform is equipped with multiple worm gear lifts, which are driven by lifting motors.
3. The multi-degree-of-freedom particle separator flow field test support device according to claim 2, characterized in that, The lifting motor is set to one unit. The motor is connected to the reducer and then to the commutator. The commutator is then connected to the connecting shaft, which transmits torque to the worm gear lift.
4. The multi-degree-of-freedom particle separator flow field test support device according to claim 1, characterized in that, The rotary drive system includes a rotary drive motor, a rotary control system electrically connected to the rotary drive motor, and a mechanical locking mechanism mounted on the drive shaft of the rotary drive motor.
5. The multi-degree-of-freedom particle separator flow field test support device according to claim 1, characterized in that, The pitch mechanism is connected to the U-shaped frame via a pitch bearing seat.
6. The multi-degree-of-freedom particle separator flow field test support device according to claim 1, characterized in that, The pitch platform is equipped with an angle sensor and an angular velocity sensor.
7. The multi-degree-of-freedom particle separator flow field test support device according to claim 1, characterized in that, The pitch platform is connected to the roll frame via a roll bearing.
8. The multi-degree-of-freedom particle separator flow field test support device according to claim 1, characterized in that, The roll drive system includes a roll drive motor, a roll control system electrically connected to the roll drive motor, and a mechanical locking mechanism mounted on the drive shaft of the roll drive motor.
9. The multi-degree-of-freedom particle separator flow field test support device according to claim 1, characterized in that, The roll frame is equipped with an angle sensor and an angular velocity sensor.
10. A multi-degree-of-freedom particle separator flow field test support device according to claim 4 or 8, characterized in that, The mechanical locking mechanism is a hydraulic brake.