A drum wheel dynamic balancing detection device for an aviation flywheel
By using the dynamic balancing testing device for the drum of the aircraft flywheel, the universal joint is rotated by the motor unit and the transmission device. Combined with the support of the swing frame and the limit fixation, the problem of detection error caused by the position deviation of the drum is solved, and high-precision dynamic balancing testing is achieved.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- CHANGSHU QIANGSHENG ELECTRICITY EQUIP CO LTD
- Filing Date
- 2026-03-19
- Publication Date
- 2026-06-05
AI Technical Summary
During the dynamic balancing test of aircraft flywheels, the imbalance of the drum wheel causes positional deviation, affecting the accuracy of the test.
An aviation flywheel drum dynamic balancing testing device is adopted. The universal coupling and connecting column are driven to rotate by the motor unit and the transmission device. The swing frame supports the rotating shaft and buffers the vibration force. At the same time, the drum is limited and fixed by the limiting component and the auxiliary fixing component to ensure rotational stability and accuracy.
It effectively reduces shaft friction and vibration interference, reduces positional offset and detection error, and improves the accuracy and stability of drum balance detection.
Smart Images
Figure CN122149743A_ABST
Abstract
Description
Technical Field
[0001] This application relates to the field of drum testing technology, and in particular to a dynamic balancing testing device for the drum of an aircraft flywheel. Background Technology
[0002] The aircraft flywheel is a core rotating component in aircraft and aero-engines used to stabilize rotational speed, store kinetic energy, and transmit torque. It is typically made of high-strength metals or composite materials in a disc / drum structure and mounted on the crankshaft or power take-off shaft. It relies on its own rotational inertia to smooth speed fluctuations and buffer load impacts, ensuring continuous and stable engine operation. Some high-end aircraft flywheels also integrate energy storage and attitude control functions, adapting to the needs of emergency power supply, high-precision navigation, and stabilization platforms for aircraft. It is a crucial foundational component for the safe and reliable operation of aircraft power and airborne systems. The balance testing of aircraft flywheel drums utilizes a double-sided dynamic balancing machine as its core equipment. First, the drum is precisely clamped onto the spindle and its concentricity is corrected. After being driven to the set testing speed, vibration signals caused by imbalance are collected by vibration sensors at the support end. The system then calculates the magnitude and phase angle of the imbalance. The residual imbalance is determined according to aviation standards. If the imbalance exceeds the tolerance, drilling to remove weight or using counterweights for compensation is employed. Repeated testing continues until the balance level requirements are met, eliminating high-speed rotational vibration, abnormal noise, and fatigue risks at the source, ensuring the drum operates stably under harsh conditions for a long period. Currently, when performing dynamic balancing tests on large rotor structures like drums, universal joint drives are typically used to obtain various balancing speeds and ensure testing efficiency. However, during testing, due to drum imbalance, the drum is prone to shifting during rotation, leading to positional deviations and testing errors. This, in turn, affects the accuracy of the dynamic balancing test and hinders precise drum testing. Summary of the Invention
[0003] The purpose of this application is to solve the problem in the background art that, during the testing process, the drum wheel is unbalanced and tends to deviate during rotation testing, which leads to deviation in the position of the drum wheel and causes testing errors, thereby affecting the accuracy of dynamic balance testing and hindering accurate drum wheel testing. This application provides a dynamic balance testing device for the drum wheel of an aircraft flywheel.
[0004] To achieve the above objectives, this application specifically adopts the following technical solution: A dynamic balancing testing device for the drum of an aircraft flywheel includes a base. A connecting seat is fixedly connected to one side of the top of the base, and a transmitter is fixedly connected to the other side of the top of the base. A motor assembly is fixedly connected to the top side of the base near the transmitter, and the motor assembly is driven by the transmitter. A universal joint is fixedly connected to the output end of the transmitter. A connecting column is fixedly connected to one side of the universal joint. A rotating shaft is fixedly connected to one end of the connecting column, and a support frame is provided at the end of the connecting column near the universal joint. A swing frame is fixedly connected to the top of the connecting seat, and the rotating shaft is mounted on the swing frame. A sensor is fixedly connected to the middle of the top of the connecting seat, and the sensing end of the sensor is in contact with the swing frame. Symmetrical limiting components are installed on the connecting column, and an auxiliary fixing component is provided between the two limiting components. A transmission component is provided inside the connecting column, and the transmission component is driven by the limiting component and the limiting component is driven by the auxiliary fixing component.
[0005] By adopting the above technical solution, when performing balance testing on the drum, the motor unit and the transmission drive the universal joint and the connecting column to rotate, thereby driving the drum to rotate. During this process, the swing frame can support the rotating shaft, and the internal components of the swing frame can reduce the friction when the rotating shaft rotates. The swing frame also buffers the vibration force generated when the drum rotates, reducing the possibility of excessive vibration force from the drum causing a decrease in testing accuracy, thereby maximizing the maintenance of testing accuracy. When testing the drum, the transmission assembly can be manually operated to make the internal components of the transmission assembly rotate, thereby driving the two limiting components. This causes the internal components of the two limiting components to extend out from the connecting column and abut against and restrict the two ends of the drum, thus further limiting and fixing the drum. This reduces the possibility of the drum shifting position during rotation testing, which could affect the testing accuracy, and thus improves the accuracy of drum balance testing.
[0006] Furthermore, the swing frame includes a mounting bracket symmetrically fixedly connected to the top of the connecting seat, a guide rod symmetrically mounted on the mounting bracket, a support seat slidably connected to the guide rod, the rotating shaft mounted on the support seat, and a buffer spring sleeved on the guide rod.
[0007] By adopting the above technical solution, an arc-shaped groove adapted to the rotating shaft is provided on the top of the support base, and multiple sets of bearings are provided on the inner side of the arc-shaped groove to reduce friction when the rotating shaft rotates.
[0008] Furthermore, the transmission assembly includes a bidirectional threaded rod rotatably connected inside the connecting column, one end of which is fixedly connected to a bevel gear II, and one end of the connecting column is equipped with a driving component.
[0009] By adopting the above technical solution, the bevel gear two can be driven by the driving component, which in turn drives the bidirectional threaded rod to rotate, thereby driving the limiting component.
[0010] Furthermore, the driving component includes a handle rotatably connected to one side of the connecting column, and a bevel gear one is fixedly connected to one side of the handle, the bevel gear one meshing with a bevel gear two.
[0011] By adopting the above technical solution, rotating the handle can drive the first bevel gear to rotate, which in turn drives the second bevel gear and causes the bidirectional threaded rod to rotate.
[0012] Furthermore, the limiting component includes a drive ring installed inside the connecting column, the drive ring being threadedly connected to a bidirectional threaded rod, the connecting column having multiple through slots, the through slots having a limiting member inside, the limiting member being pulsatorically connected to the drive ring, and the drive ring having multiple push rods fixedly connected to the side near the auxiliary fixing component.
[0013] By adopting the above technical solution, when the bidirectional threaded rod rotates, the drive ring can be driven simultaneously, so that the drive ring moves along the length direction of the connecting column and moves towards the auxiliary fixing component. When the drive ring moves, it can push the limiting component, thereby further limiting and fixing the side of the drum.
[0014] Furthermore, the limiting component includes a limiting plate rotatably connected to one side of the through groove, a linkage rod rotatably connected to one side of the limiting plate, and the end of the linkage rod away from the limiting plate being rotatably connected to the drive ring.
[0015] By adopting the above technical solution, the drive ring can push the linkage rod when it moves, so that one end of the linkage rod can drive the limiting plate, thereby extending the limiting plate out from the through groove, which can further limit and fix the side of the drum.
[0016] Furthermore, the auxiliary fixing component includes a collar installed in the middle of the inside of the connecting column. Multiple fixing plates are fixedly connected to the outer arc side of the collar. One end of the fixing plate is fixedly connected to the inner wall of the connecting column. Multiple guide grooves are opened on the outer arc side of the collar. Fasteners are installed inside the guide grooves, and a reset spring plate is provided in the middle of the inside of the guide grooves.
[0017] By adopting the above technical solution, when the push rod moves, one end of it can drive the fastener. When the push rod moves away from the fastener, the fastener can lose its driving force and the fastener can be springed back to its original position by the elastic action of the return spring plate.
[0018] Furthermore, the fastener includes a slider symmetrically slidably installed inside the guide groove, the slider corresponding to the push rod, one end of the slider being rotatably connected to a drive plate, one end of the drive plate being rotatably connected to an abutment plate, and a fastening block being fixedly connected to one side of the abutment plate.
[0019] By adopting the above technical solution, when the push rod moves, one end of it can push the slider, so that the two sliders are close to each other in the guide groove, so that the slider drives the drive plate, causing the drive plate to rotate around the rotation point, and driving one end of the drive plate to push the contact plate, thereby driving the fastening block to push and fasten the connecting shaft of the drum.
[0020] In summary, this application includes at least one of the following beneficial effects; 1. In this application, when performing balance testing on the drum, the motor unit and the transmission drive the universal joint and the connecting column to rotate, thereby driving the drum to rotate. During this process, the swing frame can support the rotating shaft, and the internal components of the swing frame can reduce the friction when the rotating shaft rotates. The swing frame also buffers the vibration force generated when the drum rotates, reducing the possibility of excessive vibration force generated by the drum causing a decrease in testing accuracy, thereby maximizing the maintenance of testing accuracy.
[0021] 2. In this application, when the drum is being tested, the transmission assembly can be manually operated to make the internal components of the transmission assembly rotate, thereby driving the two limiting components. This causes the internal components of the two limiting components to extend out from the connecting column and abut against and restrict the two ends of the drum, thereby further limiting and fixing the drum. This reduces the possibility of the drum shifting position during rotation testing, which could affect the testing accuracy, and thus improves the accuracy of the drum balance test.
[0022] 3. In this application, while the limiting component is running, its internal components can synchronously drive the auxiliary fixing component, causing the internal components of the auxiliary fixing component to operate and extend, thereby placing the connecting shaft of the drum wheel on top, enhancing the connection strength between the drum wheel and the connecting column, thereby maximizing the stability of the drum wheel rotation, reducing the possibility of the drum wheel slipping during rotation detection, and further reducing the possibility of the drum wheel spinning idly and causing inaccurate speed measurement, thus maximizing the accuracy of detection. Attached Figure Description
[0023] Figure 1 This is a schematic diagram of the structure of this application; Figure 2 This is a partial structural diagram of this application; Figure 3 This is a schematic diagram of the installation structure of the transmission assembly in this application; Figure 4 This is a schematic diagram of the structure of the display stand in this application; Figure 5 This is a schematic diagram of the transmission assembly in this application; Figure 6 This is a schematic diagram of the structure of the limiting component in this application; Figure 7 This is a schematic diagram of the auxiliary fixing component in this application.
[0024] Explanation of reference numerals in the attached figures: 1. Base; 2. Connecting seat; 3. Swing frame; 4. Motor assembly; 5. Transmission device; 6. Universal coupling; 7. Connecting column; 8. Limiting assembly; 9. Auxiliary fixing assembly; 10. Support frame; 11. Sensor; 12. Transmission assembly; 31. Mounting bracket; 32. Guide rod; 33. Support seat; 34. Buffer spring; 71. Rotating shaft; 81. Through groove; 82. Drive ring; 83. Linkage rod; 84. Limiting plate; 85. Push rod; 91. Collar; 92. Fixing plate; 93. Guide groove; 94. Slider; 95. Drive plate; 96. Contact plate; 97. Fastening block; 98. Return spring plate; 121. Rotating handle; 122. Bevel gear one; 123. Double-sided threaded rod; 124. Bevel gear two. Detailed Implementation
[0025] The following is in conjunction with the appendix Figures 1-7 This application will be described in further detail.
[0026] This application discloses a device for testing the dynamic balance of the drum of an aircraft flywheel.
[0027] Reference Figures 1 to 3 A dynamic balancing testing device for the drum of an aircraft flywheel includes a base 1. A connecting seat 2 is fixedly connected to one side of the top of the base 1, and a transmission device 5 is fixedly connected to the other side of the top of the base 1. A motor assembly 4 is fixedly connected to the top side of the base 1 near the transmission device 5. The motor assembly 4 is driven by the transmission device 5. A universal coupling 6 is fixedly connected to the output end of the transmission device 5. A connecting column 7 is fixedly connected to one side of the universal coupling 6. A rotating shaft 71 is fixedly connected to one end of the connecting column 7. A support frame 10 is provided at the end of the connecting column 7 near the universal coupling 6. A swing frame 3 is fixedly connected to the top of the connecting seat 2. The rotating shaft 71 is mounted on the swing frame 3. A sensor 11 is fixedly connected to the middle of the top of the connecting seat 2. The sensing end of the sensor 11 is in contact with the swing frame 3. Symmetrical limiting components 8 are installed on the connecting column 7. An auxiliary fixing component 9 is provided between the two limiting components 8. A transmission component 12 is provided inside the connecting column 7. The transmission component 12 is driven by the limiting components 8. The limiting components 8 are driven by the auxiliary fixing component 9.
[0028] This device uses base 1 as the overall mounting base. The detection power is provided by motor 4 fixed to one side of the top of base 1. The rotational power output by motor 4 is transmitted to the transmission device 5 connected to it. After being transmitted by the transmission device 5, it is output to universal coupling 6. Universal coupling 6 synchronously transmits the rotational power to the connecting column 7 fixed to it. The rotating shaft 71 at the end of the connecting column 7 is mounted on the swing frame 3 fixed to the top of the connecting seat 2. The connecting seat 2 is fixed to the top of base 1 on the side away from the transmission device 5, realizing the driving rotation of the drum to be tested. When the connecting column 7 drives the drum to rotate synchronously at high speed, if there is an imbalance in the drum, it will generate forced vibration under the action of centrifugal force. The vibration force is transmitted to the swing frame 3 through the rotating shaft 71. The sensor 11, fixed in the middle of the top of the connecting seat 2 and with the sensing end in contact with the swing frame 3, converts the mechanical vibration signal of the swing frame 3 into an electrical signal and inputs it into the measurement circuit to complete the detection and acquisition of the dynamic balance parameters of the drum. The end of the connecting column 7 near the universal joint 6 is supported by the support frame 10, and the rotating shaft 71 at its end is supported by the swing frame 3. The built-in support structure of the swing frame 3 can effectively reduce the frictional resistance of the rotating shaft 71 during high-speed rotation, and at the same time, it can buffer and adapt the vibration generated by the rotation of the drum, weaken the interference of excessive vibration on the detection signal, and avoid the decrease in detection accuracy due to excessive vibration. With the auxiliary support of the support frame 10, the coaxiality and stability of the connecting column 7 during rotation can be further improved, and the accuracy and reliability of the dynamic balance detection data can be guaranteed to the maximum extent. After the drum to be tested is fitted onto the connecting column 7, the transmission component 12, which is set inside the connecting column 7, is manually operated to drive the internal components of the transmission component 12 to rotate. This drives the two sets of limiting components 8, which are symmetrically arranged on the connecting column 7, to move. The limiting components 8 extend outward from inside the connecting column 7 to axially abut and limit the two end faces of the drum to be tested, thereby locking the drum on the connecting column 7 and preventing axial movement and positional deviation of the drum during high-speed rotation testing. This eliminates the testing error caused by positional deviation at the source and improves the accuracy of dynamic balance testing. While the two sets of limiting components 8 complete the axial limiting action, the built-in transmission component of the limiting component 8 synchronously drives the auxiliary fixing component 9 set between the two sets of limiting components 8 to operate; causing the clamping execution component of the auxiliary fixing component 9 to extend outward and radially clamp and fix the inner wall of the center connecting shaft hole of the drum to be tested, which greatly enhances the connection strength and rotational synchronization between the drum and the connecting column 7, avoids the drum from slipping or spinning during high-speed rotation, ensures the consistency between the drum speed and the connecting column 7 speed, eliminates the deviation of the test data caused by inaccurate speed measurement and speed fluctuation, and further enhances the accuracy and stability of dynamic balance test.
[0029] Reference Figure 4The swing frame 3 includes a mounting frame 31 symmetrically fixedly connected to the top of the connecting seat 2. The mounting frame 31 is equipped with mutually symmetrical guide rods 32. The guide rods 32 are slidably connected to the support seat 33. The rotating shaft 71 is mounted on the support seat 33. The guide rods 32 are fitted with buffer springs 34.
[0030] An arc-shaped groove adapted to the rotating shaft 71 is provided on the top of the support base 33, and multiple sets of bearings are provided on the inner side of the arc-shaped groove to reduce friction when the rotating shaft rotates. When the drum rotates, the vibration force generated can be transmitted to the support base 33. The sensor 11 converts the vibration force of the support base 33 into an electrical signal and inputs it into the measurement circuit for dynamic balance detection. When the support base 33 vibrates, the vibration force can be buffered by the elastic action of the buffer spring 34, reducing the possibility of excessive vibration force generated by the drum causing a decrease in detection accuracy, thereby maximizing the detection accuracy.
[0031] Reference Figure 5 The transmission assembly 12 includes a bidirectional threaded rod 123 rotatably connected inside the connecting column 7. One end of the bidirectional threaded rod 123 is fixedly connected to a bevel gear 124. One end of the connecting column 7 is equipped with a driving component. The driving component includes a handle 121 rotatably connected to one side of the connecting column 7. One side of the handle 121 is fixedly connected to a bevel gear 122. The bevel gear 122 meshes with the bevel gear 124.
[0032] By rotating the handle 121, the first bevel gear 122 can be driven to rotate. The rotated first bevel gear 122 can drive the second bevel gear 124 to rotate, which in turn drives the bidirectional threaded rod 123 to rotate. The rotated bidirectional threaded rod 123 can drive the two limiting components 8 to extend, thereby limiting and fixing the drum.
[0033] Reference Figure 6 The limiting component 8 includes a drive ring 82 installed inside the connecting column 7. The drive ring 82 is threadedly connected to the bidirectional threaded rod 123. The connecting column 7 has multiple through slots 81. A limiting member is provided inside the through slot 81. The limiting member is connected to the drive ring 82 in a transmission manner. Multiple push rods 85 are fixedly connected to the side of the drive ring 82 near the auxiliary fixing component 9. The limiting member includes a limiting plate 84 rotatably connected to one side inside the through slot 81. A linkage rod 83 is rotatably connected to one side of the limiting plate 84. The end of the linkage rod 83 away from the limiting plate 84 is rotatably connected to the drive ring 82. Here, the side of the limiting plate 84 away from the linkage rod 83 is roughened to increase the friction between the limiting plate 84 and the drum, thereby improving the stability of the limiting fixation.
[0034] When the bidirectional threaded rod 123 rotates, it can simultaneously drive the drive ring 82, causing the drive ring 82 to move along the length of the connecting column 7 and towards the auxiliary fixing component 9. When the drive ring 82 moves, it can push the linkage rod 83, causing one end of the linkage rod 83 to drive the limiting plate 84, thereby extending the limiting plate 84 from the through groove 81. This further limits and fixes the side of the drum, reducing the possibility of positional displacement of the drum during rotation detection and affecting the detection accuracy, thus improving the accuracy of drum balance detection. In addition, when the drive ring 82 moves, it can simultaneously drive the push rod 85 to move, thereby driving the push rod 85 to drive the auxiliary fixing component 9, thereby causing the auxiliary fixing component 9 to extend.
[0035] Reference Figure 7 The auxiliary fixing component 9 includes a collar 91 installed in the middle of the inside of the connecting column 7. Multiple fixing plates 92 are fixedly connected to the outer arc side of the collar 91. One end of the fixing plate 92 is fixedly connected to the inner wall of the connecting column 7. Multiple guide grooves 93 are opened on the outer arc side of the collar 91. Fasteners are installed inside the guide grooves 93, and a reset spring plate 98 is set in the middle of the inside of the guide grooves 93. The fasteners include sliders 94 symmetrically slidably installed inside the guide grooves 93. The sliders 94 correspond to the push rod 85. One end of the slider 94 is rotatably connected to a drive plate 95. One end of the drive plate 95 is rotatably connected to an abutment plate 96. A fastening block 97 is fixedly connected to one side of the abutment plate 96.
[0036] When the push rod 85 moves, one end of it can push the slider 94, causing the two sliders 94 to approach each other in the guide groove 93. This causes the sliders 94 to drive the drive plate 95, making the drive plate 95 rotate around the rotation point. This causes one end of the drive plate 95 to press against the contact plate 96, which in turn causes the fastening block 97 to press against and fasten the connecting shaft of the drum, enhancing the connection strength between the drum and the connecting column 7. This maximizes the stability of the drum rotation, reduces the possibility of the drum slipping during rotation detection, and reduces the possibility of the drum spinning without load causing inaccurate speed measurement. This maximizes the accuracy of the detection. In addition, when the push rod 85 moves away from the slider 94, the slider 94 may lose its pushing force. The slider 94 can be reset by the elastic action of the reset spring plate 98, which can reset the contact plate 96 and the fastening block 97.
[0037] Working principle: With base 1 as the base, motor 4 drives connecting column 7 to rotate via transmission 5 and universal coupling 6, which in turn drives the drum wheel in the set to rotate. The vibration generated by the imbalance of the drum wheel is transmitted to the swing frame 3 via rotating shaft 71, and is converted into an electrical signal by sensor 11 on connecting seat 2 to complete the dynamic balance detection. The swing frame 3 provides the main rotation support for rotating shaft 71, and the support frame 10 provides auxiliary support for connecting column 7. The swing frame 3 reduces rotational friction and buffers vibration. The double support structure improves rotational coaxiality and stability, and ensures detection accuracy. After the drum wheel is set, the operation transmission component 12 drives the two sets of symmetrical limiting components 8 to move. The limiting components extend outward and axially abut against both ends of the drum wheel to achieve axial locking, prevent axial movement and offset, and eliminate detection errors caused by position deviation. The limiting components 8 synchronously drive the auxiliary fixing component 9 to operate. The pressing component extends outward and radially presses against the inner wall of the drum wheel shaft hole to strengthen the connection strength and rotational synchronization, prevent slippage and free rotation, ensure consistent speed, and eliminate detection errors caused by speed deviation.
Claims
1. A dynamic balancing testing device for the drum of an aircraft flywheel, comprising a base (1), characterized in that: A connecting seat (2) is fixedly connected to one side of the top of the base (1), and a transmission device (5) is fixedly connected to the other side of the top of the base (1). A motor assembly (4) is fixedly connected to the top side of the base (1) near the transmission device (5). The motor assembly (4) is connected to the transmission device (5) in a transmission connection. A universal joint (6) is fixedly connected to the output end of the transmission device (5). A connecting column (7) is fixedly connected to one side of the universal joint (6). A rotating shaft (71) is fixedly connected to one end of the connecting column (7), and a support frame (10) is provided at the end of the connecting column (7) near the universal joint (6). A swing frame (3) is fixedly connected to the top of the connecting seat (2). The rotating shaft (71) is mounted on the swing frame (3). A sensor (11) is fixedly connected to the middle of the top of the connecting seat (2). The sensing end of the sensor (11) is in contact with the swing frame (3). A mutually symmetrical limiting component (8) is installed on the connecting column (7). An auxiliary fixing component (9) is provided between the two limiting components (8). A transmission component (12) is provided inside the connecting column (7). The transmission component (12) is connected to the limiting component (8) in a transmission manner. The limiting component (8) is connected to the auxiliary fixing component (9) in a transmission manner.
2. The device for dynamic balancing of the drum of an aircraft flywheel according to claim 1, characterized in that: The swing frame (3) includes a mounting frame (31) symmetrically fixedly connected to the top of the connecting seat (2). The mounting frame (31) is equipped with mutually symmetrical guide rods (32). The guide rods (32) are slidably connected to a support seat (33). The rotating shaft (71) is mounted on the support seat (33). The guide rods (32) are fitted with a buffer spring (34).
3. The dynamic balancing testing device for the drum of an aircraft flywheel according to claim 1, characterized in that: The transmission assembly (12) includes a bidirectional threaded rod (123) rotatably connected inside the connecting column (7), one end of the bidirectional threaded rod (123) is fixedly connected to a bevel gear (124), and one end of the connecting column (7) is equipped with a driving component.
4. The dynamic balancing testing device for the drum of an aircraft flywheel according to claim 3, characterized in that: The driving component includes a handle (121) rotatably connected to one side of the connecting column (7), and a bevel gear (122) is fixedly connected to one side of the handle (121), and the bevel gear (122) meshes with the bevel gear (124).
5. The dynamic balancing testing device for the drum of an aircraft flywheel according to claim 3, characterized in that: The limiting component (8) includes a drive ring (82) installed inside the connecting post (7). The drive ring (82) is threadedly connected to a bidirectional threaded rod (123). The connecting post (7) has multiple through slots (81). A limiting member is provided inside the through slot (81). The limiting member is connected to the drive ring (82) in a transmission manner. Multiple push rods (85) are fixedly connected to the side of the drive ring (82) near the auxiliary fixing component (9).
6. The dynamic balancing testing device for the drum of an aircraft flywheel according to claim 5, characterized in that: The limiting component includes a limiting plate (84) rotatably connected to one side of the through groove (81), and a linkage rod (83) rotatably connected to one side of the limiting plate (84). The end of the linkage rod (83) away from the limiting plate (84) is rotatably connected to the drive ring (82).
7. The dynamic balancing testing device for the drum of an aircraft flywheel according to claim 5, characterized in that: The auxiliary fixing component (9) includes a collar (91) installed in the middle of the inside of the connecting column (7). Multiple fixing plates (92) are fixedly connected to the outer arc side of the collar (91). One end of the fixing plate (92) is fixedly connected to the inner wall of the connecting column (7). Multiple guide grooves (93) are opened on the outer arc side of the collar (91). Fasteners are installed inside the guide grooves (93), and a reset spring plate (98) is provided in the middle of the inside of the guide grooves (93).
8. The dynamic balancing testing device for the drum of an aircraft flywheel according to claim 7, characterized in that: The fastener includes a slider (94) symmetrically slidably installed inside the guide groove (93). The slider (94) corresponds to the push rod (85). One end of the slider (94) is rotatably connected to a drive plate (95). One end of the drive plate (95) is rotatably connected to an abutment plate (96). One side of the abutment plate (96) is fixedly connected to a fastening block (97).