CN101832865B - Association model testing device capable of adjusting wheel orientation angle and side slip distance - Google Patents

Abstract

The invention relates to an adjustable wheel alignment angle and side slip correlation model testing device, which belongs to the research equipment for establishing the relationship database between the side slip amount of automobile wheels and the wheel alignment angle. It is mainly composed of toe angle adjustment mechanism (A), side slip test device (B), wheel clamping assembly (C), wheel force application mechanism (D) and camber angle adjustment mechanism (E). The wheel alignment angle adjustment device is composed of a camber angle adjustment mechanism and a toe angle adjustment mechanism. The main purpose of the present invention is to find the corresponding wheel slip amount under different alignment angle matching relations by adjusting the wheel alignment angle (camber angle and toe angle), and establish the relationship database between the wheel alignment angle and the wheel slip amount . This database can realize the dynamic and rapid measurement of the wheel alignment angle on the vehicle inspection line, and realize the precise adjustment of the wheel alignment angle, so as to more effectively eliminate the wheel slip phenomenon caused by the inaccuracy of the wheel alignment parameters.

Description

Adjustable wheel alignment angle and sideslip correlation model test device

technical field

The invention relates to an adjustable wheel alignment angle and side slip correlation model testing device, which belongs to the research equipment for establishing the relationship database between the side slip amount of automobile wheels and the wheel alignment angle. The database built can upgrade the side slip table on the vehicle inspection line, and the variable qualitative dynamic measurement is quantitative dynamic measurement, which can realize the direct measurement and precise adjustment of the wheel alignment angle, thereby more effectively eliminating the wheel damage caused by the inaccuracy of the wheel alignment parameters. amount of sideslip.

Background technique

At present, on the motor vehicle inspection line, it is mainly to judge whether the coordination relationship between the wheel alignment parameters (wheel toe angle and camber angle) is correct or not by the amount of side slip measured by the side slip table. Simply based on the measured sideslip amount as the basis for judging the vehicle wheel alignment, it has been unable to achieve the purpose of correct adjustment of the predetermined wheel alignment angle. However, the use of locators on the detection line cannot meet the rhythm requirements of rapid detection, so the establishment of a diagnostic relational database and the development of rapid detection equipment for wheel alignment angles are of great significance.

Contents of the invention

The object of the present invention is to provide an adjustable wheel alignment angle and side slip correlation model testing device to establish a database of the relationship between the vehicle wheel side slip and wheel alignment angle, and this database can upgrade the existing side slip table on the motor vehicle inspection line , to achieve the function of fast and dynamic measurement of wheel camber and toe angle on the detection line. Therefore, what the side slip table measures is no longer the indirect side slip amount, but the direct positioning angle, which makes the adjustment of the wheel positioning angle more direct and accurate, and reduces the debugging error.

The above-mentioned purpose of the present invention can be realized by the following technical solutions, which are described as follows in conjunction with the accompanying drawings:

An adjustable wheel alignment angle and side slip correlation model test device, mainly composed of toe angle adjustment mechanism A, side slip measurement device B, wheel clamping assembly C, wheel force application mechanism D and camber angle adjustment mechanism E Composition, the toe angle adjustment mechanism A and the camber angle adjustment mechanism E constitute a wheel alignment angle adjustment device, the wheel F to be tested is installed on the wheel clamping assembly C, and the wheel F to be tested is adjusted through the toe angle adjustment mechanism A The size of the toe angle is measured by the angular displacement sensor 6; the camber angle of the wheel F is regulated by adjusting the camber adjustment mechanism E, and the value is measured by the tilt sensor 19; the wheel force applying mechanism D It is used to apply a certain force to the tested wheel F to simulate the axle load borne by the wheel, and the magnitude of the force is measured by the tension sensor 28; the side slip testing device B includes a moving bottom plate 37 and a moving bottom plate The sideslip platen 39 on the 37, the moving bottom platen 37 is driven by the servo drive assembly 38, and the wheel F under test is simulated to drive over the sideslip platen 39, and the resulting sideslip displacement is measured by the displacement sensor 40; through the above The wheel alignment angle adjustment device, the wheel force applying mechanism D and the sideslip test device B obtain the corresponding wheel sideslip under different alignment angles, that is, the relationship between the wheel toe angle and the camber angle, and establish the relationship between the wheel alignment angle and the sideslip Relational database, through this database, the dynamic and rapid measurement of the wheel alignment angle on the vehicle inspection line and the precise adjustment of the wheel alignment angle can eliminate the wheel sideslip phenomenon caused by the inaccuracy of the wheel alignment parameters.

Description of drawings

Figure 1 Schematic diagram of the adjustable wheel alignment angle and sideslip correlation model test device;

Fig. 2 is a schematic diagram of a test device in which the tested wheel is installed on an adjustable wheel alignment angle and sideslip correlation model;

Figure 3 Schematic diagram of the toe angle adjustment mechanism;

Figure 4 is a schematic diagram of the camber adjustment mechanism;

Fig. 5 side view of the camber adjustment mechanism;

Fig. 6 schematic diagram of wheel force applying mechanism;

Figure 7 Schematic diagram of side slip test device;

Fig. 8 Structural diagram of the moving base plate;

Fig. 9 is a schematic diagram of the return device of the side sliding table;

Figure 10 schematic diagram of wheel clamping assembly;

Figure 11 Sectional view of the wheel clamping assembly.

In the figure: A. Toe angle adjustment mechanism B. Side slip test device C. Wheel clamping assembly D. Wheel force application mechanism E. Camber angle adjustment machine

1. Toe-in angle adjustment screw 2. Turning plate connection assembly 3. Turning plate 4. Camber adjustment box connecting plate 5. Turning plate base 6. Angle displacement sensor 7. Toe-in adjusting screw hinge seat 8. Toe-in Angle adjustment screw handle 9. Loading plate of force applying mechanism 10. Hinge connection seat 11. Screw rotation link 12. Camber adjustment screw hinge assembly 13. Camber adjustment screw 14. Camber adjustment screw handle 15 .Camber adjustment box 16. Intermediate bearing seat 17. Camber adjustment screw bearing cover 18. Camber adjustment screw bearing 19. Inclination sensor 20. Connecting pin 21. Hinge connecting pin 22. Screw support seat 23. Box connection seat 24. Force screw crank handle 25. Force screw 26. Force mechanism bearing plate connection block 27. Lead screw rotation assembly 28. Tension sensor 29. Intermediate connection seat 30. Wheel installation assembly fixed plate 31. Straight line Guide rail 32. Slider 33. Rotary assembly bearing cover 34. Rotary assembly bearing 35. Rotary assembly bearing seat 36. Travel guide rail 37. Motion bottom plate 38. Servo drive assembly 39. Side sliding plate 40. Displacement Sensor 41. Lock block 42. Travel device base 43. Travel slider 44. Servo motor 45. Connecting flange 46. Reducer 47. Reducer mounting plate 48. Roller 49. Side sliding table return device 50. Displacement Sensor mounting frame 51. Returning rocker arm 52. Rocker arm fixing plate 53. Return device installation plate 54. Returning rotating plate 55. Returning spring 56. Middle rotating plate 57. Side sliding table connecting plate 58. Wheel clamping Disk 59. Shaft limit disk 60. Bearing cover 61. Fixed disk 62. Rotation shaft 63. Bearing 64. Threaded hole

Detailed ways

The specific content of the present invention and its specific implementation will be further described below in conjunction with the embodiments shown in the accompanying drawings.

An adjustable wheel alignment angle and side slip correlation model test device, mainly composed of toe angle adjustment mechanism A, side slip measurement device B, wheel clamping assembly C, wheel force application mechanism D and camber angle adjustment mechanism E The composition is characterized in that the wheel alignment angle adjustment device is composed of a toe angle adjustment mechanism A and a camber angle adjustment mechanism E. Install the tested wheel F on the wheel chuck C, adjust the toe angle of the tested wheel F through the toe angle adjustment mechanism A, and its value can be measured by the angular displacement sensor 6; adjust the camber angle adjustment mechanism E to adjust The camber angle of the measured wheel F can be measured by the inclination sensor 19 . Applying a certain force to the tested wheel F can simulate the axle load on the wheel. The force application process is completed by the wheel force application mechanism D, and the magnitude of the force is measured by the tension sensor 28 . At this time, the moving bottom plate 37 is moved by the servo drive assembly 38 to simulate the wheel F under test passing the side slip plate 39 , and the resulting side slip displacement can be measured by the displacement sensor 40 . By repeating the above steps, the corresponding wheel sideslip amounts under different alignment angles (wheel toe angle and camber angle) can be found, and a relational database of wheel alignment angles and sideslip amounts can be established. This database can realize the dynamic and rapid measurement of the wheel alignment angle on the vehicle inspection line, realize the precise adjustment of the wheel alignment angle, and thus more effectively eliminate the wheel slippage caused by the inaccuracy of the wheel alignment parameters.

Referring to Fig. 3, said toe angle adjusting mechanism A comprises a toe angle adjusting screw 1, a rotating disc 3 and a camber angle adjusting box connecting plate 4, and the camber angle adjusting box connecting plate 4 is fixed on the rotating disc 3 and is connected with the rotating disc 3. The camber adjustment box 15 is connected, and one end of the toe-in adjustment screw 1 is connected with the rotating disk base 5 through the toe-in adjusting screw hinged seat 7, and the toe-in adjusting screw hinged seat 7 is free to rotate on the rotating disk base 5 The other end of the toe angle adjusting screw 1 is connected with the rotating disc 3 through the rotating disc connection assembly 2, the rotating disc connecting assembly 2 is an assembly that rotates by itself, and one end of the toe angle adjusting screw 1 is equipped with a toe angle adjustment Lead screw handle 8, by turning the toe angle adjustment lead screw handle 8, the toe angle adjustment lead screw 1 pushes the rotating disk 3 to rotate the required angle, and drives the camber angle adjustment box 15 to rotate, so that the wheel F to be tested is rotated, The angle of rotation is the toe angle of the wheel, and the angle of rotation of the rotating disk 3 is measured by the angular displacement sensor 6, and finally the toe angle adjustment of the measured wheel F is realized.

Referring to questions 4 and 5, one end of the camber adjustment lead screw 13 in the camber angle adjustment mechanism E is connected to the bearing plate 9 of the force application mechanism through the hinge connection seat 10; the other end of the camber adjustment lead screw 13 passes through the lead screw The supporting seat 22 is connected with the box connecting seat 23 through the connecting pin 21, and the box connecting seat 23 is fixed on the camber adjusting box 15; the intermediate link of the camber adjusting screw 13 is connected with the camber adjusting screw bearing 18 are connected, and the camber adjustment screw connecting bearing 18 is installed in the middle bearing seat 16, and the camber adjustment bearing cover 17 is used for longitudinal positioning, so that the camber adjustment screw 13 can rotate and move forward, and push the force applying mechanism to bear the load. Plate 9 is tilted at an angle, and now the measured wheel F is also tilted at the same angle, and this angle is the camber angle, which can be measured by the inclination sensor 19 installed on the threaded hole 61 .

Referring to Fig. 6, the said wheel force applying mechanism D is mainly composed of a force applying screw 25 and a tension sensor 28, the force applying screw 25 upper end is equipped with a force applying screw handle 24, and the force applying screw 25 top is mounted on the connecting block 26 of the force applying mechanism carrying plate. On the loading plate 9 of the force-applying mechanism, the force-applying screw 25 is rotated and moved down by rotating the force-applying screw handle 24, and the lower end of the force-applying screw 25 is connected with the lead screw rotating assembly 27, and the leading screw rotating assembly 27 is formed by the rotating assembly bearing 34, The rotating assembly bearing seat 35 and the rotating assembly bearing cover 33 are composed of three parts, and its effect is to make the force-applying screw 25 rotate and move down, and the tension sensor 28 remains non-rotating. The upper and lower ends of the tension sensor 28 are respectively connected to the The rotating assembly bearing seat 35 is connected with the intermediate connecting seat 29 of the wheel mounting assembly fixing plate 30, and the wheel mounting assembly fixing plate 30 is fixed on the straight line on the load plate 9 of the force applying mechanism through the four symmetrical sliders 32 on it. The guide rail 31 moves up and down, and drives the tested wheel F to move up and down together, so as to realize loading on the tested wheel F, and the magnitude of the loading force is directly measured by the tension sensor 28 .

Referring to Figures 7 and 8, in the described side slip test device B, the power for simulating the measured wheel F passing over the side slip platen 39 is provided by the servo drive assembly 38, and the servo motor 44 in the servo drive assembly 38 and The reducer 46 is connected through the connecting flange 45, the reducer 46 is connected with the moving bottom plate 37 through a rack and pinion, and the moving bottom plate 37 moves along the stroke guide rail 36 through the stroke slider 43, and its function is to simulate the measured wheel F Drive past the sideslip platen 39, the travel guide rail 36 is fixed on the travel base 42, the amount of side slip of the wheel is directly measured by the displacement sensor 40, and the sideslip platen 39 is installed on the four-cornered symmetrical rollers 48, so that it can Horizontal free movement, the side sliding platen return device 49 that makes the side sliding platen 39 return automatically is provided on the movable bottom platen 37 .

Referring to Figures 10 and 11, the wheel chucking assembly C is mainly composed of a wheel chucking plate 58, a rotating shaft limit plate 59, a bearing cap 60, a fixed plate 61, a rotating shaft 62 and a bearing 63, and the fixed plate 61 and the bearing The cover 60 is installed on the rotating shaft 62 through the bearing 63, and is limited by the rotating shaft limit plate 59. The fixed plate 61 is used to fix the fixed plate 30 of the wheel installation assembly, and the wheel chuck 58 is provided with a mounting plate for installation. For the screw holes of the wheel rims of different specifications, a protruding threaded hole 64 is provided at the center of the wheel chuck 58, which is used to install the inclination sensor 19 through bolts, and plays the role of positioning the measured wheel F.

Referring to Fig. 9, the side sliding platen return device 49 is composed of a return rocker arm 51, a rocker arm fixing plate 52, a return device installation plate 53, a return rotation plate 54, a return spring 55, and an intermediate rotation plate 56. It is composed of the side sliding table connecting plate 57, the side sliding table connecting plate 57 is connected with one end of the rocker arm fixing plate 52 through the middle rotating plate 56, and the middle rotating plate 56 is connected on the return device mounting plate 53 through the rotating shaft, and the rocking arm fixing plate The other end of 52 pushes back to normal rotating plate 54 to rotate by returning to normal rocking arm 51, and the direction of rotation of returning to normal rotating plate 54 and middle rotating plate 56 is opposite, at one end of returning to normal rotating plate 54 and middle rotating plate 56 and side slide table The connecting end of connecting plate 57 is equipped with return spring 55, and side sliding platform connecting plate 57 is connected with side sliding platen 39, and return device mounting plate 53 is fixedly installed on the motion bottom platen 37.

Claims (7)

1. adjusting wheel orientation angle and sideslip amount correlation model proving installation, mainly by toe-angle adjustment mechanism (A), (B) put in the measurement trial assembly of breakking away, the wheel assembly (C) that is installed, wheel force application mechanism (D) and camber angle governor motion (E) are formed, it is characterized in that, described toe-angle adjustment mechanism (A) and camber angle governor motion (E) are formed the wheel orientation angle regulating device, tested wheel (F) is installed in wheel and is installed on the assembly (C), adjust the toe-in angle size of tested wheel (F) by toe-angle adjustment mechanism (A), its value is recorded by angle displacement sensor (6); By adjusting the camber angle size that camber angle governor motion (E) is regulated tested wheel (F), its value is recorded by obliquity sensor (19); It is heavy that described wheel force application mechanism (D) is used for that tested wheel (F) is applied certain power simulation axle that wheel bore, and the size of power is recorded by pulling force sensor (28); Described sideslip measures trial assembly and puts (B) and comprise motion base frame plate (37) and be contained in sideslip platen (39) on the motion base frame plate (37), motion base frame plate (37) drives by servo driving assembly (38), simulate tested wheel (F) and cross sideslip platen (39), the sideslip displacement of generation is recorded by displacement transducer (40); Putting the different orientation angles of (B) acquisition by above-mentioned wheel orientation angle regulating device, wheel force application mechanism (D) and the measurement trial assembly of breakking away is pairing wheel side sliding amount under toeing-in angle and the camber angle matching relationship, set up the relational database of wheel alignment angle and sideslip amount, by this database the dynamically quick measurement and the wheel alignment angle of wheel orientation angle on the vehicle testing line are accurately adjusted, eliminated because the wheel side sliding phenomenon that the wheel alignment parameter misalignment causes.

2. adjusting wheel orientation angle according to claim 1 and sideslip amount correlation model proving installation, it is characterized in that, said toe-angle adjustment mechanism (A) comprises toe-in angle adjusting leading screw (1), rolling disc (3) and camber angle are regulated casing web joint (4), camber angle adjusting casing web joint (4) is fixed on rolling disc (3) and upward and with camber angle adjusting casing (15) links to each other, the end that toe-in angle is regulated leading screw (1) is connected with rolling disc base (5) by the prenex leading screw hinged seat (7) of regulating, and prenex adjusting leading screw hinged seat (7) is gone up at rolling disc base (5) and freely rotated; The other end that toe-in angle is regulated leading screw (1) is connected with rolling disc (3) by rolling disc coupling assembling (2), rolling disc coupling assembling (2) is the assembly that self rotates, the end that toe-in angle is regulated leading screw (1) is equipped with toe-in angle adjusting leading screw handle (8), regulate leading screw handle (8) by rotating toe-in angle, make toe-in angle regulate leading screw (1) promotion rolling disc (3) and rotate required angle, and the drive camber angle is regulated casing (15) rotation, tested wheel (F) is rotated, the angle of rotating is the toeing-in angle, and the angle that rolling disc (3) rotates records by angle displacement sensor (6).

3. adjusting wheel orientation angle according to claim 1 and sideslip amount correlation model proving installation, it is characterized in that, camber adjustment leading screw (13) one ends in the said camber angle governor motion (E) be connected through the hinge the seat (10) be connected with force application mechanism loading plate (9); The other end of camber adjustment leading screw (13) passes leading screw supporting base (22), and is connected with casing Connection Block (23) by connecting pin (21), and casing Connection Block (23) is fixed in camber angle to be regulated on the casing (15); The intermediate link of camber adjustment leading screw (13) links to each other with camber adjustment leading screw connection bearing (18), camber adjustment leading screw connection bearing (18) is installed in the middle bearing bracket (16), carry out longitudinal register with camber adjustment bearing cap (17), rotate camber adjustment leading screw (13) and make the angle of tested wheel (F) inclination be camber angle, this angle is recorded by obliquity sensor (19).

4. adjusting wheel orientation angle according to claim 1 and sideslip amount correlation model proving installation, it is characterized in that, said wheel force application mechanism (D) mainly is made up of application of force leading screw (25) and pulling force sensor (28), application of force leading screw rocking handle (24) is equipped with in application of force leading screw (25) upper end, application of force leading screw (25) top is contained on the force application mechanism loading plate (9) by force application mechanism loading plate contiguous block (26), by rotation application of force leading screw rocking handle (24) application of force leading screw (25) rotation is moved down, the lower end of application of force leading screw (25) links to each other with leading screw rotation assembly (27), leading screw rotation assembly (27) is by rotation assembly bearing (34), rotation assembly bearing seat (35) and rotation assembly bearing cap (33) three parts are formed, its effect is that application of force leading screw (25) can be rotated and move down, pulling force sensor (28) keeps not rotating, the upper and lower side of pulling force sensor (28) all is connected with the middle Connection Block (29) of rotation assembly bearing seat (35) and wheel installation assembly fixed head (30) respectively by two screw bolt, wheel installation assembly fixed head (30) moves up and down along the line slideway (31) that is fixed on the force application mechanism loading plate (9) by four the symmetrical slide blocks (32) above it, and drive tested wheel (F) and also move up and down together, realization loads tested wheel (F), and the size of loading force is directly recorded by pulling force sensor (28).

5. adjusting wheel orientation angle according to claim 1 and sideslip amount correlation model proving installation, it is characterized in that described sideslip measures trial assembly and puts in (B), simulating the power that tested wheel (F) crosses sideslip platen (39) is provided by servo driving assembly (38), servomotor (44) in the servo driving assembly (38) is connected by joint flange (45) with speed reduction unit (46), speed reduction unit (46) is connected by rack-and-pinion with motion base frame plate (37), motion base frame plate (37) follows journey guide rail (36) motion by stroke slider (43), its effect is that the tested wheel of simulation (F) crosses sideslip platen (39), stroke guide rail (36) is fixed on the stroke base (42), the wheel side sliding amount is directly recorded by displacement transducer (40), sideslip platen (39) is installed on the roller (48) of four jiaos of symmetries, make its laterally free movement, on motion base frame plate (37), be provided with the sideslip platen returning device (49) that makes sideslip platen (39) self-return.

6. adjusting wheel orientation angle according to claim 1 and sideslip amount correlation model proving installation, it is characterized in that, described wheel is installed assembly (C) mainly by the wheel dish (58) that is installed, rotating shaft position-arresting disk (59), bearing cap (60), shaft collar (61), rotation axis (62) and bearing (63) are formed, shaft collar (61) and bearing cap (60) are contained on the rotation axis (62) by bearing (63), and it is spacing by rotating shaft position-arresting disk (59), described shaft collar (61) is used for wheel installation assembly fixed head (30) fixing, the wheel dish (58) that is installed is provided with the screw hole of the different size rim for automobile wheel that is used to install the different size wheel, be provided with outstanding threaded hole (64) in the be installed center of dish (58) of wheel, be used for by bolt mounted angle sensor (19), and play the effect of tested wheel (F) location.

7. adjusting wheel orientation angle according to claim 5 and sideslip are measured the correlation model testing arrangement; It is characterized in that; Described sideslip platen returning device (49) is by returning positive rocking arm (51); Rocking arm fixed head (52); Returning device installing plate (53); Return positive flap (54); Return positive spring (55); Middle swivel plate (56) and side slid platform connecting plate (57) form; Side slid platform connecting plate (57) is connected by middle swivel plate (56) with an end of rocking arm fixed head (52); Middle swivel plate (56) is connected on the returning device installing plate (53) by rotating shaft; The other end of rocking arm fixed head (52) passes through back positive rocking arm (51) and promotes back positive flap (54) rotation; Return the direction of rotation of positive flap (54) and middle swivel plate (56); Link at an end that returns positive flap (54) and middle swivel plate (56) and side slid platform connecting plate (57) is equipped with back positive spring (55); Side slid platform connecting plate (57) is connected with sideslip platen (39), and aligning device installing plate (53) is fixedly mounted on the motion base frame plate (37).

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