A wheel dynamic balancing tester

Abstract

The utility model provides a kind of wheel dynamic balance detection machine, it is related to wheel dynamic balance detection technical field, including manual balancing machine installation bottom plate, main shaft pedestal, dynamic balance main shaft, and motor main shaft motor drive seat, the main shaft pedestal is located at the intermediate position in the top of manual balancing machine installation bottom plate;The utility model installs wheel by wheel dynamic balance main shaft, dynamic balance main shaft is rotated by motor main shaft, motor drive seat, to make wheel rotate, the unbalance force in the rotation process of wheel is detected by first signal detection component, second signal detection component, the rotational speed and position of main shaft are detected by manual shaft grid hole coding strip and laser sensor, to this will be collected signal is passed to electric control box analysis conversion digital signal, carries out data analysis, completes dynamic balance detection, can be in cantilever operation touch screen Data query, parameter adjustment, detection precision is high, it is easy to operate, improve work efficiency.

Description

TECHNICAL FIELD

[0001] The utility model relates to dynamic balance detection technical field especially relates to a wheel dynamic balance detection machine. BACKGROUND

[0002] With the rapid development of the automobile industry, the dynamic balance of the wheel has the vital influence on the driving stability, the safety of vehicle and the service life of tire, and the dynamic balance of the wheel refers to the operation that makes the quality distribution even through dynamic adjustment after the assembly of the automobile tire and the wheel rim, thereby eliminating the vibration generated at high speed rotation, which needs to use the dynamic balance detection equipment.

[0003] The existing wheel dynamic balance detection equipment is mostly large equipment with high degree of automation, and the detection precision is low, and the structure is complex, therefore, the utility model provides a wheel dynamic balance detection machine to solve the problems in the prior art. UTILITY MODEL CONTENT

[0004] In view of the above problems, the utility model provides a wheel dynamic balance detection machine, and the wheel dynamic balance detection machine is reliable in structure, high in detection precision, convenient to operate and improves work efficiency.

[0005] To achieve the purpose of the utility model, the utility model realizes the following technical scheme: a wheel dynamic balance detection machine, including manual balance machine installation bottom plate, main shaft installation seat and main shaft motor drive seat, the main shaft installation seat is arranged at the middle position of the upper side of the manual balance machine installation bottom plate, the main shaft motor drive seat is arranged at one side of the middle end of the upper side of the manual balance machine installation bottom plate, one side of the rear end of the upper side of the manual balance machine installation bottom plate is equipped with a stand, and the stand is movably provided with a detection safety shield on one side, the middle end of the inside of the detection safety shield is equipped with a target laser pen, the upper side of the stand is connected with a cantilever operation touch screen, and the rear end of the upper side of the manual balance machine installation bottom plate is equipped with an electric control box.

[0006] The main shaft mounting seat is provided with a main shaft supporting and mounting base, and a balance shaft assembly is rotationally arranged on the main shaft supporting and mounting base, the balance shaft assembly comprises a main shaft driven multi-wedge belt pulley and a main shaft, an upper portion of the main shaft is provided with a wheel mounting piece, a lower portion of the main shaft is rotationally connected with the main shaft supporting and mounting base through a bearing seat, the main shaft driven multi-wedge belt pulley is arranged below the outer side of the main shaft, the main shaft motor driving seat is provided with a driving piece connected with the main shaft driven multi-wedge belt pulley, the inner side of the main shaft driven multi-wedge belt pulley is provided with a manual shaft grid hole coding strip, one side of the main shaft supporting and mounting base is provided with a laser sensor matched with the manual shaft grid hole coding strip, one side and one end of the top of the main shaft mounting seat are respectively provided with a first signal detection assembly and a second signal detection assembly connected with the main shaft supporting and mounting base, signal output ends of the laser sensor, the first signal detection assembly and the second signal detection assembly are connected with an electric control box, and an output end of the electric control box is connected with a cantilever operation touch screen.

[0007] Further improvement lies in that the edge of the manual balancing machine mounting base is provided with expansion screws, and the manual balancing machine mounting base is fixed to the ground through the expansion screws.

[0008] Further improvement lies in that the first signal detection assembly comprises a first detection bin, a first pressure sensor and a first pressure rod, the first detection bin is arranged on one side of the upper portion of the main shaft mounting seat, the first pressure sensor is arranged at the bottom of the inside of the first detection bin, and the first pressure rod is arranged on one side of the main shaft supporting and mounting base, and the lower end of the first pressure rod extends into the inside of the first detection bin and is matched with the first pressure sensor.

[0009] Further improvement lies in that the second signal detection assembly comprises a second detection bin, a second pressure sensor and a second pressure rod, the second detection bin is arranged at one end of the upper portion of the main shaft mounting seat, the second pressure sensor is arranged at one end of the upper portion of the inside of the second detection bin, and the second pressure rod is arranged at one end of the main shaft supporting and mounting base, and one end of the second pressure rod extends into the inside of the second detection bin and is matched with the second pressure sensor.

[0010] Further improvement lies in that the driving piece comprises a multi-wedge belt main driving wheel and a multi-wedge belt guide idler wheel, the multi-wedge belt main driving wheel is rotationally arranged on one side of the top of the main shaft motor driving seat, the multi-wedge belt guide idler wheel is rotationally arranged at both ends of the other side of the top of the main shaft motor driving seat, the multi-wedge belt main driving wheel, the multi-wedge belt guide idler wheel and the main shaft driven multi-wedge belt pulley are wound with a multi-wedge belt, and the multi-wedge belt main driving wheel is driven to rotate through a servo motor.

[0011] Further improvement lies in that the wheel mounting piece comprises a main shaft positioning disc and a center locking screw rod, the main shaft positioning disc is arranged above the main shaft, the center locking screw rod is arranged at a middle position above the main shaft positioning disc, and a manual shaft quick nut is threadedly mounted on the center locking screw rod.

[0012] Further improvement lies in that a cantilever is connected between the column and the cantilever operating touch screen, and a turnover mechanism column mounting plate is arranged above one side of the cantilever, one side of the turnover mechanism column mounting plate is rotatably provided with a first rotating arm and a second rotating arm, one end of the first rotating arm and the second rotating arm is hingedly connected with a connecting arm, the connecting arm is connected with the detection safety shield, limit switches are arranged on the turnover mechanism column mounting plate below the first rotating arm and the second rotating arm, a turnover limiting block is rotatably arranged at the middle end of one side of the column, and a nitrogen spring is arranged on the turnover limiting block, and an output end of the nitrogen spring is hingedly connected with one side of the detection safety shield.

[0013] The utility model discloses beneficial effect is:

[0014] 1, the utility model discloses a wheel mounting piece installs the wheel, and the driving piece on the main shaft motor drive seat drives the main shaft driven multi -wedge pulley rotation, makes the main shaft rotation, thereby drives the wheel rotation, and the first signal detection subassembly, second signal detection subassembly detects the unbalanced force of wheel in the rotation process, and the main shaft rotation speed and position are detected through manual shaft grating hole coding strip and laser sensor, and the signal collected is transferred to the electric control box analysis and conversion digital signal, and the display parameter on cantilever operating touch screen is convenient for the wheel identification correction point to the standard laser pen in detection safety shield, and the structure is reliable, the detection precision is high, convenient operation improves work efficiency.

[0015] 2, the utility model discloses a high -precision first pressure sensor, second pressure sensor cooperate with electric control box and carry out data acquisition and analysis, guarantee the accuracy and reliability of detection, can satisfy most wheel dynamic balance detection's demand.

[0016] 3, the utility model discloses nitrogen spring and push detection safety shield operation, cooperate the linkage action of first rotating arm, second rotating arm and connecting arm, and it is convenient to make detection safety shield open to the oblique upper side or reset cover above the wheel, guarantee safety and operation convenience. DRAWINGS

[0017] Figure 1 It is the front view of the utility model;

[0018] Figure 2 It is the structure schematic view of the main shaft mounting seat, main shaft motor drive seat of the utility model;

[0019] Figure 3 It is the main shaft, manual shaft grating hole coding strip schematic view of the utility model;

[0020] Figure 4 It is the main shaft support installation base schematic view of the utility model;

[0021] Figure 5 It is the first signal detection assembly and second signal detection assembly schematic view of the utility model;

[0022] Figure 6 It is the detection safety shield schematic view of the utility model;

[0023] Figure 7 It is the detection safety shield and cantilever mounting structure schematic view of the utility model.

[0024] Among them: 1, the manual balance machine installation bottom plate; 2, the main shaft mounting seat; 3, the main shaft motor drive base; 4, the stand; 5, the detection safety shield; 6, the cantilever operation touch screen; 7, the electric control box; 8, the main shaft support installation base; 9, the main shaft driven multi-wedge belt pulley; 10, the main shaft; 11, the manual shaft grid hole coding strip; 12, the laser sensor; 13, the first detection bin; 14, the first pressure sensor; 15, the first pressure rod; 16, the second detection bin; 17, the second pressure sensor; 18, the second pressure rod; 19, the laser pointer; 20, the multi-wedge belt main drive wheel; 21, the multi-wedge belt guide idler; 22, the multi-wedge belt; 23, the main shaft positioning disc; 24, the center locking screw; 25, the manual shaft quick nut; 26, the cantilever; 27, the turnover mechanism stand mounting plate; 28, the first swing arm; 29, the second swing arm; 30, the connecting arm; 31, the limit switch; 32, the turnover limit block; 33, the nitrogen spring. DETAILED DESCRIPTION

[0025] In order to deepen the understanding of the utility model, the utility model will be further described below in conjunction with examples, and the present embodiment is only used to explain the utility model and does not constitute the limitation of the protection scope of the utility model.

[0026] Example one

[0027] According to Figure 1 , 2 , 3, 4, 5, 6, 7, the present embodiment proposes a wheel dynamic balancing detection machine, including manual balance machine installation bottom plate 1, main shaft mounting seat 2 and main shaft motor drive base 3, the main shaft mounting seat 2 is arranged at the middle position above the manual balance machine installation bottom plate 1, the main shaft motor drive base 3 is arranged at the side of the middle end above the manual balance machine installation bottom plate 1, the side of the rear end above the manual balance machine installation bottom plate 1 is equipped with the stand 4, and the side of the stand 4 is movably equipped with the detection safety shield 5, the inside upper middle end of the detection safety shield 5 is equipped with the laser pointer 19, the stand 4 is connected with the cantilever operation touch screen 6 above, and the rear end above the manual balance machine installation bottom plate 1 is equipped with the electric control box 7;

[0028] The main shaft mounting seat 2 is provided with a main shaft support mounting base 8, and a balance shaft assembly is rotatably arranged on the main shaft support mounting base 8, the balance shaft assembly comprises a main shaft driven multi-wedge belt pulley 9 and a main shaft 10, a wheel mounting piece is arranged above the main shaft 10, the main shaft 10 is rotatably connected with the main shaft support mounting base 8 through a bearing seat, the main shaft driven multi-wedge belt pulley 9 is arranged below the outer side of the main shaft 10, a drive piece connected with the main shaft driven multi-wedge belt pulley 9 is arranged on the main shaft motor drive seat 3, a manual shaft grating coding strip 11 is arranged on the inner side of the main shaft driven multi-wedge belt pulley 9, a laser sensor 12 matched with the manual shaft grating coding strip 11 is arranged on one side of the main shaft support mounting base 8, a first signal detection assembly and a second signal detection assembly connected with the main shaft support mounting base 8 are respectively arranged on one side and one end of the top of the main shaft mounting seat 2, the signal output ends of the laser sensor 12, the first signal detection assembly and the second signal detection assembly are connected with the electric control box 7, and the output end of the electric control box 7 is connected with the cantilever operation touch screen 6. The servo motor of the drive piece and the electric control box 7 are both externally connected with a PLC system; and the dynamic balance detection of the tire is completed according to the control of the PLC control system, the electric control box is provided with an industrial computer, electrical control elements of servo motors and other devices and a microprocessor for analyzing data. In use, the wheel is installed through the wheel mounting piece, the main shaft driven multi-wedge belt pulley 9 is driven to rotate by the drive piece on the main shaft motor drive seat 3, so that the main shaft 10 rotates, thereby driving the wheel to rotate, the unbalanced force of the wheel in the rotating process is detected by the first signal detection assembly and the second signal detection assembly, the rotating speed and position of the main shaft 10 are detected by the manual shaft grating coding strip 11 and the laser sensor 12, so as to transmit the collected signals to the electric control box 7 to analyze and convert into digital signals, and the display parameters on the cantilever operation touch screen 6 are displayed, and the wheel identification correction point is conveniently marked by detecting the reference laser pen 13 in the safety protection cover 5. The outer side of the drive piece and the outer side of the main shaft support mounting base 8 are provided with a protective shell.

[0029] Expansion screws are arranged at the edges of the manual balancing machine mounting plate 1, and the manual balancing machine mounting plate 1 is fixed to the ground through the expansion screws. The manual balancing machine mounting plate 1 is fixed, and is more stable. The whole mechanism is supported.

[0030] The first signal detection assembly comprises a first detection chamber 13, a first pressure sensor 14 and a first pressure rod 15. The first detection chamber 13 is arranged on one side above the main shaft mounting seat 2. The first pressure sensor 14 is arranged at the bottom inside the first detection chamber 13. The first pressure rod 15 is arranged on one side of the main shaft support mounting base 8, and the lower end of the first pressure rod 15 extends into the first detection chamber 13 and is matched with the first pressure sensor 14. The second signal detection assembly comprises a second detection chamber 16, a second pressure sensor 17 and a second pressure rod 18. The second detection chamber 16 is arranged at one end above the main shaft mounting seat 2. The second pressure sensor 17 is arranged at one end above the second detection chamber 16. The second pressure rod 18 is arranged at one end of the main shaft support mounting base 8, and one end of the second pressure rod 18 extends into the second detection chamber 16 and is matched with the second pressure sensor 17. In use, since the fixing between the main shaft support mounting base 8 and the main shaft mounting seat 2 adopts a slightly loose fixing, the main shaft support mounting base 8 itself adopts a ductile material and has a certain deformation potential. When the wheel is unbalanced during wheel dynamic balancing detection, the lower end of the first pressure rod 15 generates an unbalanced force signal to the first pressure sensor 14, and one end of the second pressure rod 18 presses the second pressure sensor 17 to generate an unbalanced force signal. The sensor is connected with the industrial computer, the industrial computer converts the pressure signal collected by the sensor into a digital signal, and transmits it to the cantilever operation touch screen 6 for display.

[0031] The driving member comprises a multi-belt main driving wheel 20 and a multi-belt guide idler 21. The multi-belt main driving wheel 20 is rotatably arranged on one side of the top of the main shaft motor driving seat 3. The multi-belt guide idler 21 is rotatably arranged at both ends of the other side of the top of the main shaft motor driving seat 3. The multi-belt main driving wheel 20, the multi-belt guide idler 21 and the main shaft driven multi-belt pulley 9 are wound with a multi-belt 22. The multi-belt main driving wheel 20 is driven to rotate by a servo motor. In use, the servo motor drives the multi-belt main driving wheel 20 to rotate. Based on the guidance of the multi-belt guide idler 21, the multi-belt 22 runs, drives the main shaft driven multi-belt pulley 9 to rotate, and drives the main shaft 10 to rotate, thereby driving the wheel to rotate.

[0032] The wheel mounting member comprises a main shaft positioning disc 23 and a center locking screw 24. The main shaft positioning disc 23 is arranged above the main shaft 10. The center locking screw 24 is arranged at the middle position above the main shaft positioning disc 23, and a manual shaft quick nut 25 is threadedly installed on the center locking screw 24. In use, the center of the wheel is erected on the main shaft positioning disc 23 through the center locking screw 24, and is positioned by bolts and edge holes, and then the manual shaft quick nut 25 is installed on the center locking screw 24 for fixation.

[0033] Embodiment two

[0034] According toFigure 1 、 2 , 3, 4, 5, 6, 7, the embodiment proposes a wheel dynamic balance detection machine, including manual balancing machine installation bottom plate 1, main shaft mounting seat 2 and main shaft motor drive seat 3, the main shaft mounting seat 2 is arranged at the middle position above the manual balancing machine installation bottom plate 1, the main shaft motor drive seat 3 is arranged at the side of the middle end above the manual balancing machine installation bottom plate 1, the side of the rear end above the manual balancing machine installation bottom plate 1 is equipped with a stand 4, and the side of the stand 4 is movably provided with a detection safety shield 5, the middle end of the inside upper part of the detection safety shield 5 is equipped with a laser pointer 19, the upper part of the stand 4 is connected with a cantilever operation touch screen 6, and the rear end above the manual balancing machine installation bottom plate 1 is equipped with an electric control box 7;

[0035] The main shaft mounting seat 2 is provided with a main shaft support mounting base 8, and a balance shaft assembly is rotatably arranged on the main shaft support mounting base 8, the balance shaft assembly comprises a main shaft driven multi-wedge belt pulley 9 and a main shaft 10, the upper part of the main shaft 10 is provided with a wheel mounting piece, the lower part of the main shaft 10 is rotatably connected with the main shaft support mounting base 8 through a bearing seat, the main shaft driven multi-wedge belt pulley 9 is arranged below the outer side of the main shaft 10, the main shaft motor drive seat 3 is provided with a driving piece connected with the main shaft driven multi-wedge belt pulley 9, the inner side of the main shaft driven multi-wedge belt pulley 9 is provided with a manual shaft grating hole coding strip 11, one side of the main shaft support mounting base 8 is provided with a laser sensor 12 matched with the manual shaft grating hole coding strip 11, one side and one end of the top of the main shaft mounting seat 2 are respectively provided with a first signal detection assembly and a second signal detection assembly connected with the main shaft support mounting base 8, the signal output ends of the laser sensor 12, the first signal detection assembly and the second signal detection assembly are connected with the electric control box 7, and the output end of the electric control box 7 is connected with the cantilever operation touch screen 6. The servo motor of the driving piece and the electric control box 7 are both externally connected with a PLC system; and the dynamic balance detection of the tire is completed according to the control of the PLC control system, the electric control box is provided with an industrial computer, electrical control elements of servo motors and other devices and a microprocessor for analyzing data. In use, the wheel is installed through the wheel mounting piece, the main shaft driven multi-wedge belt pulley 9 is driven to rotate by the driving piece on the main shaft motor drive seat 3, so that the main shaft 10 rotates, thereby driving the wheel to rotate, the unbalanced force of the wheel in the rotating process is detected by the first signal detection assembly and the second signal detection assembly, the rotating speed and position of the main shaft 10 are detected by the manual shaft grating hole coding strip 11 and the laser sensor 12, so as to transmit the collected signals to the electric control box 7 to analyze and convert into digital signals, and display parameters on the cantilever operation touch screen 6, and the laser pointer 13 in the detection safety shield 5 is convenient for identifying and correcting points of the wheel. The outer side of the driving piece and the outer side of the main shaft support mounting base 8 are provided with a shield shell.

[0036] The cantilever operating touch screen 6 is connected between the column 4 and the cantilever 26 above the column 4, which facilitates the adjustment of the position of the cantilever operating touch screen 6, and the flip mechanism column mounting plate 27 is arranged above one side of the column 4, one side of the flip mechanism column mounting plate 27 is rotatably provided with the first rotating arm 28 and the second rotating arm 29, and one end of the first rotating arm 28 and the second rotating arm 29 is hingedly connected with the connecting arm 30, the connecting arm 30 is connected with the detection safety shield 5, the flip mechanism column mounting plate 27 below the first rotating arm 28 and the second rotating arm 29 is provided with the limit switch 31, the middle end of one side of the column 4 is rotatably provided with the flip limit block 32, and the flip limit block 32 is provided with the nitrogen spring 33, and the output end of the nitrogen spring 33 is hingedly connected with one side of the detection safety shield 5. In use, the detection safety shield 5 is driven to operate by the nitrogen spring 33, and the first rotating arm 28, the second rotating arm 29 and the connecting arm 30 are cooperated to facilitate the opening of the detection safety shield 5 to the upper side or the resetting of the shield above the wheel, when the resetting, the first rotating arm 28 and the second rotating arm 29 are rotated downward to trigger the limit switch 31 to stop the downward movement, so as to avoid the influence of the detection safety shield 5 on the wheel.

[0037] The wheel dynamic balance detection machine installs the wheel through the wheel mounting piece, drives the main shaft driven multi-wedge belt pulley 9 to rotate through the driving piece on the main shaft motor drive seat 3, so that the main shaft 10 rotates to drive the wheel to rotate, detects the unbalanced force of the wheel in the rotating process through the first signal detection assembly and the second signal detection assembly, detects the rotating speed and position of the main shaft 10 through the manual shaft grating hole coding strip 11 and the laser sensor 12, transmits the collected signals to the electric control box 7 to analyze and convert the signals into digital signals, displays the parameters on the cantilever operating touch screen 6, and facilitates the identification of the correction point of the wheel through the calibration laser pen 13 in the detection safety shield 5. In summary, the structure is reliable, the detection precision is high, the operation is convenient, and the work efficiency is improved. Compared with the traditional automatic dynamic balance detection equipment, the manufacturing cost of the product can be reduced by about 15%, which greatly reduces the purchase cost of small automobile repair shops and individual users, and ordinary maintenance workers can master the operation method after simple training, which improves the work efficiency. Moreover, the product adopts high-precision first pressure sensor 14 and second pressure sensor 17 to cooperate with the microprocessor in the electric control box 7 to collect and analyze data, which ensures the accuracy and reliability of the detection, and can meet the needs of most wheel dynamic balance detection. At the same time, the product drives the detection safety shield 5 to operate through the nitrogen spring 33, cooperates with the linkage of the first rotating arm 28, the second rotating arm 29 and the connecting arm 30, facilitates the opening of the detection safety shield 5 to the upper side or the resetting of the shield above the wheel, and ensures the safety and operation convenience.

[0038] The basic principle, main features and advantages of the present application are shown and described above. Those skilled in the art should understand that the present application is not limited by the above examples, and the above examples and descriptions in the specification are only to illustrate the principles of the present application. Without departing from the spirit and scope of the present application, various changes and improvements can be made to the present application, and these changes and improvements all fall within the scope of the claimed present application. The scope of protection of the present application is defined by the appended claims and their equivalents.

Claims

1. A wheel dynamic balance detection machine, comprising a manual balancing machine installation base plate (1), a main shaft installation seat (2) and a main shaft motor drive seat (3), characterized in that: The main shaft mounting seat (2) is arranged at the middle position above the manual balancing machine mounting bottom plate (1), the main shaft motor driving seat (3) is arranged at one side of the middle end above the manual balancing machine mounting bottom plate (1), the vertical column (4) is arranged at one side of the rear end above the manual balancing machine mounting bottom plate (1), the detection safety shield (5) is movably arranged at one side of the vertical column (4), the target laser pen (19) is arranged at the middle end above the inside of the detection safety shield (5), the cantilever operation touch screen (6) is connected above the vertical column (4), and the electric control box (7) is arranged at the rear end above the manual balancing machine mounting bottom plate (1). The main shaft mounting seat (2) is arranged at the middle position above the manual balancing machine mounting bottom plate (1), the main shaft motor driving seat (3) is arranged at one side of the middle end above the manual balancing machine mounting bottom plate (1), the vertical column (4) is arranged at one side of the rear end above the manual balancing machine mounting bottom plate (1), the detection safety shield (5) is movably arranged at one side of the vertical column (4), the target laser pen (19) is arranged at the middle end above the inside of the detection safety shield (5), the cantilever operation touch screen (6) is connected above the vertical column (4), and the electric control box (7) is arranged at the rear end above the manual balancing machine mounting bottom plate (1).

2. A wheel dynamic balancing tester according to claim 1, wherein: The first signal detection assembly comprises a first detection bin (13), a first pressure sensor (14) and a first pressure rod (15), the first detection bin (13) is arranged at one side above the main shaft mounting seat (2), the first pressure sensor (14) is arranged at the bottom inside the first detection bin (13), and the first pressure rod (15) is arranged at one side of the main shaft supporting and mounting base (8), and the lower end of the first pressure rod (15) extends into the first detection bin (13) and is matched with the first pressure sensor (14).

3. A wheel dynamic balancing tester according to claim 1, wherein: ​ 4. A wheel dynamic balancing tester according to claim 3, wherein: The second signal detection assembly comprises a second detection bin (16), a second pressure sensor (17) and a second pressure rod (18), the second detection bin (16) is arranged at one end above the main shaft mounting seat (2), the second pressure sensor (17) is arranged at one end inside the second detection bin (16), the second pressure rod (18) is arranged at one end of the main shaft support mounting base (8), and one end of the second pressure rod (18) extends into the second detection bin (16) and is matched with the second pressure sensor (17).

5. The wheel dynamic balancing tester according to claim 1, wherein: The driving member comprises a multi-belt main driving wheel (20) and a multi-belt guide idler (21), the multi-belt main driving wheel (20) is rotatably arranged at one side of the top of the main shaft motor driving seat (3), the multi-belt guide idler (21) is rotatably arranged at both ends of the other side of the top of the main shaft motor driving seat (3), the multi-belt main driving wheel (20), the multi-belt guide idler (21) and the main shaft driven multi-belt pulley (9) are wound with a multi-belt (22), and the multi-belt main driving wheel (20) is driven to rotate by a servo motor.

6. A wheel dynamic balancing tester according to claim 1, wherein: The wheel mounting member comprises a main shaft positioning disc (23) and a center locking screw (24), the main shaft positioning disc (23) is arranged above the main shaft (10), the center locking screw (24) is arranged at the middle position above the main shaft positioning disc (23), and a manual shaft quick nut (25) is threadedly mounted on the center locking screw (24).

7. A wheel dynamic balancing tester according to claim 1, wherein: A cantilever (26) is connected between the column (4) and the cantilever operation touch screen (6), a turnover mechanism column mounting plate (27) is arranged above one side of the column (4), a first rotating arm (28) and a second rotating arm (29) are rotatably arranged at one side of the turnover mechanism column mounting plate (27), one end of the first rotating arm (28) and the second rotating arm (29) is hingedly connected with a connecting arm (30), the connecting arm (30) is connected with the detection safety shield (5), limit switches (31) are arranged on the turnover mechanism column mounting plate (27) below the first rotating arm (28) and the second rotating arm (29), a turnover limiting block (32) is rotatably arranged at the middle of one side of the column (4), a nitrogen spring (33) is arranged on the turnover limiting block (32), and one side of the detection safety shield (5) is hingedly connected with an output end of the nitrogen spring (33).

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