Flywheel detection weighing apparatus
By introducing a central positioning rod and a placement plate structure into the flywheel weighing equipment, the weighing error caused by center of gravity offset is solved, enabling accurate weighing and convenient operation of the flywheel.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- CHANGSHA FEISITE MACHINERY MANFUACTURING
- Filing Date
- 2025-09-11
- Publication Date
- 2026-06-26
AI Technical Summary
Existing flywheel weighing equipment lacks a dedicated positioning mechanism, which causes the center of gravity to shift, resulting in weighing errors.
A flywheel detection and weighing device was designed, which adopts a central positioning rod and a placement plate structure. The flywheel's central hole is fitted onto the positioning rod to ensure that the flywheel is placed in the center of the device. It is also equipped with a display screen and buttons to provide a human-machine interface.
It achieves accurate weighing of the flywheel, reduces center of gravity offset error, and facilitates operation and viewing of weighing results through a human-computer interaction interface.
Smart Images

Figure CN224416213U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of flywheel testing technology, and in particular to a flywheel testing and weighing device. Background Technology
[0002] In the wave of rapid development of modern industry and technology, the flywheel, as a key energy storage and inertial actuation component, is widely used in many core fields, such as passenger cars. Its weight accuracy directly affects the rotational balance performance.
[0003] Currently, existing flywheel testing and weighing equipment relies on manual placement of the flywheel on the weighing platform for weighing, lacking a dedicated positioning mechanism. This manual alignment leads to center-of-gravity shifts and weighing errors. Therefore, to better ensure the flywheel is centered during testing and weighing, promote technological advancement in the industry, and enhance core technological competitiveness, this application proposes a new implementation scheme for flywheel testing and weighing equipment that differs from existing technologies. Utility Model Content
[0004] The purpose of this invention is to solve the problem of the lack of a dedicated positioning mechanism, which leads to the shift of the center of gravity and causes weighing errors. Therefore, a flywheel detection and weighing device is proposed.
[0005] To achieve the above objectives, the present invention adopts the following technical solution:
[0006] A flywheel detection weighing device includes a weighing base with an installation cavity inside. A circuit board is fixedly connected to the bottom inner wall of the installation cavity. A load cell and a microcontroller are fixedly connected to the top of the circuit board. Two connecting rods are fixedly connected to the top of the load cell, and a bearing plate is fixedly connected to both ends of the connecting rods. The top of the weighing base has multiple first through holes, and sliding rods are slidably connected in the first through holes. The bottom ends of the sliding rods are inserted into the top of the bearing plate. The top ends of the multiple sliding rods are fixedly connected to the same placement plate. An installation rod is fixedly connected to the top outer wall of the weighing base. The top end of the installation rod has a threaded groove, and a positioning rod is threadedly connected to the top end of the installation rod through the threaded groove. The top of the placement plate has a second through hole, through which the positioning rod passes.
[0007] Furthermore, a display screen is embedded on one side of the weighing base, and the display screen is connected to the circuit board via wires.
[0008] Furthermore, multiple buttons are plugged into one side of the weighing base, and the buttons are connected to the circuit board via wires.
[0009] Furthermore, a storage battery is fixedly connected to the bottom inner wall of the mounting cavity, and the storage battery is connected to the circuit board via wires.
[0010] Furthermore, a wiring harness plug is provided on one side of the weighing base, and the wiring harness plug is connected to the circuit board via a wire.
[0011] Furthermore, a rubber pad is adhered to the top of the placement plate.
[0012] Furthermore, the positioning rod is located at the center of the weighing base.
[0013] The beneficial effects of this utility model are as follows:
[0014] 1. By positioning the positioning rod at the center of the weighing base, the center hole of the flywheel is fitted onto the positioning rod and placed on top of the placement plate, so that the flywheel is placed in the center of the weighing equipment, thereby preventing the center of gravity of the flywheel from shifting, and thus accurately weighing the flywheel.
[0015] 2. A human-computer interaction interface is provided through the display screen and buttons, which makes it easy for users to operate and view the weighing results, making it convenient and quick. Attached Figure Description
[0016] Figure 1 This is a three-dimensional structural diagram of a flywheel detection and weighing device proposed in this utility model;
[0017] Figure 2 This is a partial three-dimensional structural diagram of a flywheel detection and weighing device proposed in this utility model;
[0018] Figure 3 This is a schematic diagram of the internal structure of a flywheel detection and weighing device proposed in this utility model;
[0019] Figure 4 This is a bottom view of the placement plate structure of a flywheel detection and weighing device proposed in this utility model;
[0020] Figure 5 This is a partial exploded structural diagram of a flywheel detection and weighing device proposed in this utility model.
[0021] In the diagram: 1. Weighing base; 2. Display screen; 3. Button; 4. First through hole; 5. Mounting cavity; 6. Battery; 601. Wiring harness plug; 7. Weighing sensor; 8. Microcontroller; 9. Connecting rod; 10. Support plate; 11. Placement plate; 12. Sliding rod; 13. Second through hole; 14. Rubber pad; 15. Mounting rod; 16. Threaded groove; 17. Positioning rod; 18. Circuit board. Detailed Implementation
[0022] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.
[0023] Reference Figures 1-5 A flywheel detection and weighing device includes a weighing base 1, a mounting cavity 5 inside the weighing base 1, a circuit board 18 fixed to the bottom inner wall of the mounting cavity 5 by bolts, a weighing sensor 7 and a microcontroller 8 soldered to the top of the circuit board 18, the weighing sensor 7 is model GWM400 and the microcontroller 8 is model STC89C52, the weighing sensor 7 is responsible for accurately measuring the weight of the flywheel placed on it and transmitting the data to the microcontroller 8 on the circuit board 18 for processing;
[0024] The top of the load cell 7 is fixed with two connecting rods 9 by bolts. Both ends of the connecting rods 9 are integrally formed with a bearing plate 10. The top of the weighing base 1 is provided with multiple first through holes 4. Sliding rods 12 are slidably connected in the first through holes 4. The bottom end of the sliding rods 12 is inserted into the top of the bearing plate 10. The top ends of the multiple sliding rods 12 are integrally formed with the same placement plate 11. The top outer wall of the weighing base 1 is fixed with a mounting rod 15 by bolts. The top end of the mounting rod 15 is provided with a threaded groove 16. The top end of the mounting rod 15 is threadedly connected with a positioning rod 17 through the threaded groove 16. The top of the placement plate 11 is provided with a second through hole 13. The positioning rod 17 passes through the second through hole 13. The center hole of the flywheel is fitted onto the positioning rod 17 and placed on the top of the placement plate 11 so that the flywheel is placed in the center position of the weighing equipment, thereby accurately weighing the flywheel.
[0025] A display screen 2 is embedded on one side of the weighing base 1. The display screen 2 is connected to the circuit board 18 by a wire. Multiple buttons 3 are inserted into one side of the weighing base 1. The buttons 3 are connected to the circuit board 18 by a wire. The display screen 2 and buttons 3 provide a human-machine interface for easy operation and viewing of weighing results.
[0026] The bottom inner wall of the mounting cavity 5 is fixed with a storage battery 6 by bolts. The storage battery 6 is connected to the circuit board 18 by wires. The storage battery 6 supplies power to the entire device, ensuring that it can work normally without an external power source.
[0027] A wire harness plug 601 is provided on one side of the weighing base 1. The wire harness plug 601 is connected to the circuit board 18 by a wire. The wire harness plug 601 is used for external power supply or data transmission.
[0028] A rubber pad 14 is bonded to the top of the placement plate 11, which provides a reliable bearing surface and ensures the stability of the equipment during use.
[0029] The positioning rod 17 is located at the center of the weighing seat 1.
[0030] The working principle of this embodiment is as follows: In use, firstly, select a suitable positioning rod 17 according to the specifications of the flywheel, and then tighten the positioning rod 17 to the top of the mounting rod 15 through the threaded groove 16. Then, place the center hole of the flywheel on the positioning rod 17 and place it on the top of the placement plate 11. Under the action of the flywheel's gravity, the placement plate 11 is pressed down, thereby driving the sliding rod 12 to move down, which in turn causes the bearing plate 10 to press down. Then, through the connection of the connecting rod 9, the load cell 7 is pressed down, thereby transmitting the weight to the load cell 7. The load cell 7 transmits the weight data to the circuit board 18 for processing. After the circuit board 18 performs data calculation and processing through the microcontroller 8, the result is displayed on the display screen 2.
[0031] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.
Claims
1. A flywheel detection and weighing device, comprising a weighing base (1), characterized in that, The weighing base (1) has an installation cavity (5). A circuit board (18) is fixedly connected to the bottom inner wall of the installation cavity (5). A weighing sensor (7) and a microcontroller (8) are fixedly connected to the top of the circuit board (18). Two connecting rods (9) are fixedly connected to the top of the weighing sensor (7). Both ends of the connecting rods (9) are fixedly connected to a bearing plate (10). The top of the weighing base (1) has multiple first through holes (4). A sliding rod (12) is slidably connected in the first through hole (4). The bottom end of 12) is inserted into the top of the bearing plate (10). The top ends of multiple sliding rods (12) are fixedly connected to the same placement plate (11). The top outer wall of the weighing seat (1) is fixedly connected to the mounting rod (15). The top end of the mounting rod (15) is provided with a threaded groove (16). The top end of the mounting rod (15) is threadedly connected to the positioning rod (17) through the threaded groove (16). The top of the placement plate (11) is provided with a second through hole (13). The positioning rod (17) passes through the second through hole (13).
2. The flywheel detection and weighing device according to claim 1, characterized in that, A display screen (2) is embedded on one side of the weighing stand (1), and the display screen (2) is connected to the circuit board (18) by a wire.
3. The flywheel detection and weighing device according to claim 1, characterized in that, Multiple buttons (3) are plugged into one side of the weighing base (1), and the buttons (3) are connected to the circuit board (18) by wires.
4. The flywheel detection and weighing device according to claim 1, characterized in that, A battery (6) is fixedly connected to the bottom inner wall of the mounting cavity (5), and the battery (6) is connected to the circuit board (18) by a wire.
5. The flywheel detection and weighing device according to claim 1, characterized in that, The weighing stand (1) is provided with a wire harness plug (601) on one side, and the wire harness plug (601) is connected to the circuit board (18) by a wire.
6. The flywheel detection and weighing device according to claim 1, characterized in that, A rubber pad (14) is adhered to the top of the placement plate (11).
7. The flywheel detection and weighing device according to claim 1, characterized in that, The positioning rod (17) is located at the center of the weighing seat (1).