Flywheel dynamic balancing verification device
The side-mounted flywheel dynamic balancing verification device solves the problem of difficulty in hoisting and placing large stamping press flywheels in the existing technology, realizes convenient installation and dynamic balancing testing of flywheels, and reduces equipment vibration and noise.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- SHENGZHOU DACHENG MACHINERY CO LTD
- Filing Date
- 2025-09-29
- Publication Date
- 2026-07-21
AI Technical Summary
Existing dynamic balancing testing machinery is unable to hoist and place large stamping press flywheels, leading to equipment vibration and noise problems.
A side-mounted flywheel dynamic balancing verification device was designed, including components such as a base, a fixed seat, a sliding seat, a rotating rod, a rotating motor, and an electric push rod. The flywheel is hoisted by an electric hoist, and the plug-in sleeve is used to adapt to different inner diameter sizes. Dynamic balancing verification is carried out in conjunction with a pressure sensor and a display.
It enables convenient hoisting and installation of larger flywheels, ensuring the smooth conduct of dynamic balance tests, reducing equipment vibration and noise, and improving testing efficiency.
Smart Images

Figure CN224535299U_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of flywheel testing technology, and in particular to a dynamic balance verification device for flywheels. Background Technology
[0002] The flywheel of a stamping press is a disc-shaped part installed at the rear end of the crankshaft of the stamping press. It has a large moment of inertia and its core function is to store rotational kinetic energy and release huge energy at the moment of stamping to ensure the smooth completion of the stamping action.
[0003] As an important component of a stamping press, the flywheel's imbalance often causes vibration, which can lead to equipment vibration, noise, and structural damage. Therefore, dynamic balancing tests are usually required.
[0004] Existing dynamic balancing testing machinery is usually tested on a flat surface, such as the dynamic balancing equipment for flywheel manufacturing in application number CN202411224912.7. However, when dealing with large stamping press flywheels, the electric hoist is difficult to lift and place due to the horizontal placement of the equipment. Utility Model Content
[0005] The purpose of this invention is to provide a dynamic balance verification device for a side-mounted flywheel.
[0006] The above-mentioned technical objective of this utility model is achieved through the following technical solution: a flywheel dynamic balance verification device, including a base, a fixed seat provided on one side of the base, an extension rail provided on the base, and a sliding seat provided on the extension rail; a rotating rod rotatably provided on the fixed seat, a plurality of slots provided at the front end of the rotating rod, and insertion sleeves inserted into the slots; a rotating motor provided on the base at the rear end of the fixed seat, the rotating motor driving the rotating rod to rotate; an electric push rod provided on the base, the front end of the electric push rod being fixed on the sliding seat.
[0007] A further configuration is provided: the sliding seat is provided with a support groove, and the front end of the rotating rod rests on the support groove.
[0008] A further configuration is provided: a limit switch electrically connected to a rotating motor is provided on the base, and the limit switch is located on the moving path of the sliding seat.
[0009] A further feature is provided: a U-shaped extension lever is provided on the front side of the sliding seat.
[0010] The configuration is further improved by having a support portion integrally provided on the front side of the fixed base, and a bearing provided on the support portion, through which the rotating rod passes.
[0011] The device is further configured such that: a buffer pad is provided inside the slot, a pressure sensor is provided inside the buffer pad, a display is provided on the base, and the pressure sensor is connected to the display via an wireless signal.
[0012] In summary, this utility model has the following beneficial effects: the dynamic balance verification device of the flywheel makes it convenient for electric hoists to lift and install larger flywheels, and the plug sleeve can be replaced to adapt to different flywheel inner diameters. Attached Figure Description
[0013] Figure 1 This is a schematic diagram of one side of the flywheel dynamic balancing verification device; Figure 2 This is a schematic diagram of the other side of the flywheel dynamic balancing verification device; Figure 3 for Figure 2 Enlarged view of point A in the middle.
[0014] In the diagram: 1. Base; 2. Fixed seat; 3. Extension rail; 4. Sliding seat; 5. Rotating rod; 6. Slot; 7. Insert sleeve; 8. Rotating motor; 9. Electric push rod; 10. Shelf slot; 11. Limit switch; 12. Extension lever; 13. Support part; 14. Bearing; 15. Buffer pad; 16. Pressure sensor; 17. Display; 18. Flywheel; 19. Insert strip. Detailed Implementation
[0015] The present invention will be further described in detail below with reference to the accompanying drawings.
[0016] The dynamic balancing verification device for flywheel 18 includes a base 1, a fixed seat 2 on one side of the base 1, an extension rail 3 on the base 1, and a sliding seat 4 slidably mounted on the extension rail 3. An electric push rod 9 is located on the far right side of the base 1, and the end of the electric push rod 9 is fixed to the sliding seat 4. Thus, the electric push rod 9 can drive the sliding seat 4 to move left and right.
[0017] A raised rotating motor 8 is mounted on the base 1 at the rear end of the fixed base 2 (as shown on the left side of the figure). A gear is mounted on the rotating shaft of the rotating motor 8. A through hole is provided on the fixed base 2, and two bearings 14 are installed within the through hole. A rotatable rotating rod 5 is rotatably mounted within the bearings 14. A gear is mounted on the left end of the rotating rod 5, and it meshes with the gear on the rotating shaft of the motor, thus enabling the rotating motor 8 to drive the rotating rod 5 to rotate.
[0018] The rotating rod 5 has several slots 6 at its front end, evenly spaced along the rotating rod 5, preferably four slots. A connecting sleeve 7 is inserted into each slot 6. The inner wall of the connecting sleeve 7 has the same number of inserts 19 as the slots 6. The inserts 19 cooperate with the slots 6 to connect the rotating rod 5 to the connecting sleeve 7. A certain gap can exist between the outer wall of the rotating rod 5 and the inner wall of the connecting sleeve 7 to reduce overall weight. The connecting sleeve 7 has multiple diameters and can be replaced according to the inner diameter of the flywheel 18.
[0019] A mounting groove 10 is provided on the sliding seat 4, and the front end of the rotating rod 5 can rest on the mounting groove 10. In use, the flywheel 18 is hoisted to the predetermined position, and then the sliding seat 4 is moved to the right, allowing the insertion sleeve 7 corresponding to the inner diameter of the flywheel 18 to be installed on the rotating rod 5. After the flywheel 18 is installed in the insertion sleeve 7, the rotating motor 8 drives the sliding seat 4 to move to the left. After the movement is complete, the rotating rod 5 rests on the mounting groove 10, and the electric hoist is then removed to complete the installation. It is important to emphasize that the rotating rod 5 must be placed in the mounting groove 10 before removing the electric hoist to avoid damage to the rotating rod 5 due to the weight of the flywheel 18. Also, the electric hoist is usually a hook, allowing it to be easily removed after the flywheel 18 is installed without affecting its rotation. Preferably, a bearing 14 is provided on the mounting groove 10, allowing the rotating rod 5 to pass through the bearing 14 when the sliding seat 4 is pushed to the left, increasing the smoothness of rotation during dynamic balancing tests. The bearing 14 is a radial thrust bearing 14 to support radial and axial loads.
[0020] A limit switch 11 electrically connected to the rotary motor 8 is provided on the base 1, and the limit switch 11 is located on the moving path of the sliding seat 4. When the sliding seat 4 moves to the left during the above process, it can touch the limit switch 11, thereby starting the rotary motor 8 to perform dynamic balance verification. Preferably, a U-shaped extension lever 12 is provided on the front side of the sliding seat 4. The U-shaped extension lever 12 can assist in activating the limit switch 11 and prevent the sliding seat 4 from damaging the limit switch 11.
[0021] A support portion 13 is integrally provided on the front side of the fixed base 2 (as shown on the right side of the figure), and a bearing 14 is provided on the support portion 13. The rotating rod 5 passes through the bearing 14. The support portion 13 is used to reduce the problem of the right end of the rotating rod 5 drooping due to gravity when the sliding seat 4 is moved away, and serves to support the rotating rod 5.
[0022] A buffer pad 15 is installed inside the slot 6, and a pressure sensor 16 is installed inside the buffer pad 15. A display 17 is installed on the base 1, and the pressure sensor 16 is connected to the display 17 via a wireless signal. When the flywheel 18 rotates for dynamic balancing verification, it can feed back vibration to the pressure sensor 16, which converts it into an electrical signal, which is then displayed on the display 17. The connection between the pressure sensor 16 and the display 17 is a conventional technical method, and the actual signal processing requires a computer system, which will not be described in detail here.
[0023] This specific embodiment is merely an explanation of the present utility model and is not intended to limit the present utility model. After reading this specification, those skilled in the art can make modifications to this embodiment without contributing any inventive step, but as long as they are within the scope of the claims of the present utility model, they are protected by patent law.
Claims
1. A dynamic balancing verification device for a flywheel, characterized in that: The device includes a base, a fixed seat on one side of the base, an extension rail on the base, and a sliding seat on the extension rail; a rotating rod rotatably mounted on the fixed seat, with several slots at the front end of the rotating rod, into which insert sleeves are inserted; a rotating motor is mounted on the base at the rear end of the fixed seat, driving the rotating rod to rotate; and an electric push rod is mounted on the base, with its front end fixed to the sliding seat.
2. The flywheel dynamic balance verification device according to claim 1, characterized in that: The sliding seat is provided with a support groove, and the front end of the rotating rod rests on the support groove.
3. The dynamic balancing verification device for a flywheel according to claim 1, characterized in that: The base is equipped with a limit switch that is electrically connected to the rotating motor, and the limit switch is located on the moving path of the sliding seat.
4. The flywheel dynamic balancing verification device according to claim 3, characterized in that: A U-shaped extension lever is provided on the front side of the sliding seat.
5. The flywheel dynamic balancing verification device according to claim 1, characterized in that: The front side of the fixed base is integrally provided with a support part, and a bearing is provided on the support part, through which the rotating rod passes.
6. The flywheel dynamic balancing verification device according to claim 1, characterized in that: A buffer pad is installed inside the slot, and a pressure sensor is installed inside the buffer pad. A display is installed on the base, and the pressure sensor is connected to the display via an wireless signal.