CN216846083U

CN216846083U - Single-shaft positioning mechanism for measuring caster angle and inner inclination angle of automobile kingpin

Info

Publication number: CN216846083U
Application number: CN202122781040.2U
Authority: CN
Inventors: 林勇; 张尧; 王江涛; 王光磊
Original assignee: Shandong Kerixin Testing Technology Co ltd
Current assignee: Shandong Kerixin Testing Technology Co ltd
Priority date: 2021-11-15
Filing date: 2021-11-15
Publication date: 2022-06-28
Anticipated expiration: 2031-11-15

Abstract

The utility model relates to the technical field of measurement of a back inclination angle and an inner inclination angle of an automobile main pin, and discloses a single-shaft positioning mechanism for measuring the back inclination angle and the inner inclination angle of the automobile main pin, which comprises a lifting device, a pushing device arranged at the top end of the lifting device, an installation seat arranged at the front end of the pushing device, a shaft seat transversely and rotatably connected in the installation seat, a first encoder fixed at the rear end of the installation seat, an input shaft of the first encoder and one end of the shaft seat are fixedly connected, a vertical first shaft body is fixed at the front end of the shaft seat, a movable seat is rotatably connected on the first shaft body, a second encoder is fixed on the side surface of the movable seat, and an input shaft of the second encoder and one end of the first shaft body are fixedly connected; the front end of the movable seat is fixedly provided with a second horizontal shaft body, the second shaft body is rotatably connected with an installation plate, and the front end of the installation plate is fixedly provided with a tire welt device.

Description

Single-shaft positioning mechanism for measuring caster angle and inner inclination angle of automobile kingpin

Technical Field

The utility model relates to the technical field of measurement of a caster angle and an inclination angle of an automobile kingpin, in particular to a single-shaft positioning mechanism for measuring the caster angle and the inclination angle of the automobile kingpin.

Background

The caster angle and the camber angle of the main pin of the automobile are important parameters of the automobile structure, and the caster angle of the main pin has the function of forming a aligning moment, so that the stability of the straight running of the automobile is ensured, and the automobile is convenient to steer and operate. The kingpin inclination angle is used for automatically aligning the steering wheel and facilitating steering operation. The caster angle and caster angle of the kingpin of the automobile are important components for wheel alignment, and directly affect the performance and driving quality of the automobile.

How to accurately, quickly, conveniently and practically measure the two parameters is an urgent problem in the automobile fields of automobile research, automobile application and the like, a detection station is generally used for detecting a caster angle and an inner tilt angle value of a main pin in the current market, and the current detection equipment needs a series of positioning and measuring processes during detection, is complex in operation, consumes a large amount of time for measurement, is extremely inconvenient to use and is high in cost.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the technical problems of complex operation, large time consumption for measurement, inconvenient use and high cost of the existing equipment.

The technical scheme of the utility model is realized as follows: a single-shaft positioning mechanism for measuring a caster angle and an inner inclination angle of an automobile kingpin comprises a lifting device, a pushing device, a mounting seat, a shaft seat and a first encoder, wherein the pushing device is mounted at the top end of the lifting device; the front end of sliding seat is fixed with horizontal axis body two, axis body two rotates and is connected with the mounting panel, the front end of mounting panel is fixed with tire welt device, be fixed with encoder three on the mounting panel, the input shaft of encoder three and the one end fixed connection of axis body two, when detecting, welt device at first laminates with the tire side, and when the tire took place to deflect, welt device can accurately profile modeling out the change of tire to welt device makes the mounting panel take place the change corresponding with the tire, and this kind of change finally turns into the data of encoder one, encoder two and encoder three, can calculate back inclination and the interior inclination of car king pin through the data of encoder one, encoder two and encoder three, and this kind of mode easy operation can measure required data fast, easy operation, and convenient to use, and is with low costs.

Furthermore, the welt device includes that the welt gyro wheel of fixing on the mounting panel top through the support, two corresponding welt gyro wheels of installing in mounting panel bottom both sides, the welt gyro wheel is provided with threely altogether, and three welt gyro wheel is on same circle, and when the tire took place to deflect, the mounting panel was on a parallel with the tire and takes place corresponding deflection, and three welt gyro wheel mainly is that the deflection volume of transmission tire plays the profile modeling effect.

Furthermore, two adjusting units are correspondingly installed on two sides of the bottom of the installing plate and are symmetrically arranged, each adjusting unit comprises an air cylinder fixed on the side face of the installing plate and a push plate fixed at the end of an expansion link of the air cylinder, and the push plates are connected with the installing plate in a sliding mode; the corresponding rotation of two welt gyro wheels of mounting panel bottom both sides is connected on two push pedals of bottom both sides, can adjust the distance between the three welt gyro wheel through the regulating unit to be applicable to not equidimension tire, increase its application range.

Furthermore, the lifting device comprises a vertical plate and a sliding plate in sliding connection with the vertical plate, the side face of the vertical plate is rotatably connected with a third shaft body, a gear is fixed at the inner end of the third shaft body, an adjusting hand wheel is fixed at the outer end of the third shaft body, a rack is fixed on the inner side face of the sliding plate, the gear is meshed with the rack, the gear is driven to rotate through rotating the adjusting hand wheel, the gear drives the rack to move, and the rack drives the sliding plate to move to realize lifting adjustment, so that the lifting device is suitable for vehicles with tires of different heights.

Furthermore, pusher is including fixing the horizontal mounting panel on sliding plate top, with horizontal mounting panel sliding connection's sliding seat, fixes the pneumatic stem at horizontal mounting panel rear end, the flexible end of pneumatic stem and the rear end fixed connection of sliding seat drive the sliding seat through the pneumatic stem and move the regulation that realizes the distance between mounting panel and the tire, more facilitates the use.

The beneficial effects of the utility model are summarized as follows: when detecting, the welt device is at first laminated with the tire side, when the tire takes place to deflect, the welt device can accurate profile modeling go out the deflection change of tire, thereby the welt device makes the mounting panel take place the change corresponding with the tire, this kind of change finally turns into the data of encoder one, encoder two and encoder three, can calculate the back inclination and the interior inclination of car swizzle through the data of encoder one, encoder two and encoder three, this kind of mode easy operation, can measure required data fast, the operation is simple, high durability and convenient use, and low cost.

Drawings

FIG. 1 is a schematic view of the overall structure of the present invention.

Fig. 2 is an enlarged view of a portion a of fig. 1 according to the present invention.

Fig. 3 is a schematic structural view of the welt attachment of the present invention.

Fig. 4 is a schematic structural diagram of the lifting device of the present invention.

In the figure: the device comprises a lifting device 1, a pushing device 2, a mounting seat 3, a shaft seat 4, an encoder 5, a shaft body 6, a movable seat 7, an encoder 8, a shaft body 9, a mounting plate 10, an edge pasting device 11, an encoder 12, an edge pasting roller 13, an adjusting unit 14, an air cylinder 15, a push plate 16, a vertical plate 17, a sliding plate 18, a shaft body 19, a gear 20, an adjusting hand wheel 21, a rack 22, a transverse mounting plate 23, a sliding seat 24 and a pneumatic rod 25.

Detailed Description

For the purpose of enhancing the understanding of the present invention, a single-shaft positioning mechanism for measuring caster and camber angles of a vehicle kingpin according to the present invention will be described in detail with reference to the accompanying drawings and examples, which are provided for illustration only and are not intended to limit the scope of the present invention.

As shown in fig. 1 to 3, a single-shaft positioning mechanism for measuring a caster angle and an inner inclination angle of a kingpin of an automobile comprises a lifting device 1, a pushing device 2 installed at the top end of the lifting device 1, an installation seat 3 installed at the front end of the pushing device 2, a shaft seat 4 connected in the installation seat 3 in a transverse rotating manner, a first encoder 5 fixed at the rear end of the installation seat 3, an input shaft of the first encoder 5 fixedly connected with one end of the shaft seat 4, a vertical shaft body 6 fixed at the front end of the shaft seat 4, a movable seat 7 connected on the shaft body 6 in a rotating manner, a second encoder 8 fixed on the side surface of the movable seat 7, and an input shaft of the second encoder 8 fixedly connected with one end of the shaft body 6; the front end of the movable seat 7 is fixed with a second horizontal shaft body 9, the second shaft body 9 is rotatably connected with a mounting plate 10, the front end of the mounting plate 10 is fixed with a tire welt attaching device 11, the mounting plate 10 is fixed with a third encoder 12, an input shaft of the third encoder 12 is fixedly connected with one end of the second shaft body 9, the welt attaching device 11 is firstly attached to the side edge of the tire during detection, when the tire deflects, the welt attaching device 11 can accurately trace the change of the tire, so that the mounting plate 10 is changed correspondingly to the tire by the welt attaching device 11, the change is finally converted into data of the first encoder 5, the second encoder 8 and the third encoder 12, and the back inclination angle and the inner inclination angle of the automobile kingpin can be calculated through the data of the first encoder 5, the second encoder 8 and the third encoder 12, the mode is simple in operation, can quickly measure required data, is simple in operation and convenient in use, the cost is low; the welting device 11 comprises welting rollers 13 fixed at the top end of the mounting plate 10 through a bracket, and two welting rollers 13 correspondingly mounted at two sides of the bottom of the mounting plate 10, wherein the number of the welting rollers 13 is three, the three welting rollers 13 are on the same circle, when the tire deflects, the mounting plate 10 deflects correspondingly in parallel with the tire, and the three welting rollers 13 mainly transfer the deflection amount of the tire to play a role of profiling; two adjusting units 14 are correspondingly installed on two sides of the bottom of the mounting plate 10, the two adjusting units 14 are symmetrically arranged, each adjusting unit 14 comprises an air cylinder 15 fixed on the side surface of the mounting plate 10, and a push plate 16 fixed at the end of an expansion link of the air cylinder 15, and the push plate 16 is connected with the mounting plate 10 in a sliding manner; the two welt rollers 13 on the two sides of the bottom of the mounting plate 10 are correspondingly and rotatably connected to the two push plates 16 on the two sides of the bottom, and the distance between the three welt rollers 13 can be adjusted through the adjusting unit 14, so that the mounting plate is suitable for tires with different sizes, and the application range of the mounting plate is enlarged; the lifting device 1 comprises a vertical plate 17 and a sliding plate 18 connected with the vertical plate 17 in a sliding manner, the side surface of the vertical plate 17 is rotatably connected with a third shaft body 19, a gear 20 is fixed at the inner end of the third shaft body 19, an adjusting hand wheel 21 is fixed at the outer end of the third shaft body 19, a rack 22 is fixed on the inner side surface of the sliding plate 18, the gear 20 is meshed with the rack 22, the adjusting hand wheel 21 is rotated to drive the gear 20 to rotate, the gear 20 drives the rack 22 to move, and the rack 22 drives the sliding plate 18 to move to realize lifting adjustment, so that the lifting device is suitable for vehicles with tires of different heights; the pushing device 2 comprises a transverse mounting plate 23 fixed at the top end of the sliding plate 18, a sliding seat 24 connected with the transverse mounting plate 23 in a sliding mode, and a pneumatic rod 25 fixed at the rear end of the transverse mounting plate 23, wherein the telescopic end of the pneumatic rod 25 is fixedly connected with the rear end of the sliding seat 24, and the pneumatic rod 25 drives the sliding seat 24 to move to adjust the distance between the mounting plate 10 and the tire, so that the pushing device is more convenient to use.

Instructions for use: firstly, rotating an adjusting hand wheel 21, wherein the adjusting hand wheel 21 drives a third shaft body 19 to rotate, the third shaft body 19 drives a gear 20 to rotate, the gear 20 drives a rack 22 to move, the rack 22 drives a sliding plate 18 to move up and down, when the positions of three welting rollers 13 are opposite to the side edge of a tire, the adjustment is stopped, and the mechanism can be aligned to the side edge of the tire through the adjustment mode; then the pneumatic rod 25 is controlled to work, the pneumatic rod 25 drives the sliding seat 24 to slide, the sliding seat 24 drives the mounting seat 3 to move, the sliding seat 3 drives the welting device 11 at the front end to be close to the side face of the tire, the pneumatic rod 25 is controlled to stop working until three welting rollers 13 of the welting device 11 are attached to the side face of the tire, the welting device 11 can be attached to the side face of the tire in the adjusting mode, then the test is started, the steering wheel is located at the center zero point, the steering wheel is rotated, the steering wheel rotates rightwards, the rotating angle measured by the encoder II 8 is delta, the camber angle measured by the encoder III 12 is theta 1, and the angle measured by the encoder I5 is theta 1

When the steering wheel returns to the zero point and rotates leftwards, the rotating angle measured by the second encoder 8 is delta, the camber angle measured by the third encoder 12 is theta 2, and the angle measured by the first encoder 5 is theta 2

The encoder transmits the measured data to a computing unit, and the computing unit: kingpin caster α ═ arctan { sin [ (θ 2- θ 1)/2%]Tan delta, kingpin inclination

And finally obtaining accurate values of the caster angle and the inner dip angle of the kingpin.

The above description is only for the purpose of illustrating the preferred embodiments of the present invention and is not to be construed as limiting the utility model, and any modifications, equivalents, improvements and the like that fall within the spirit and principle of the present invention are intended to be included therein.

Claims

1. The utility model provides a measure unipolar positioning mechanism of car swizzle caster angle and inclination, its characterized in that: the automatic feeding device comprises a lifting device (1), a pushing device (2) arranged at the top end of the lifting device (1), a mounting seat (3) arranged at the front end of the pushing device (2), a shaft seat (4) transversely connected in the mounting seat (3) in a rotating manner, and a first encoder (5) fixed at the rear end of the mounting seat (3), wherein an input shaft of the first encoder (5) is fixedly connected with one end of the shaft seat (4), a vertical first shaft body (6) is fixed at the front end of the shaft seat (4), a movable seat (7) is rotatably connected to the first shaft body (6), a second encoder (8) is fixed on the side surface of the movable seat (7), and an input shaft of the second encoder (8) is fixedly connected with one end of the first shaft body (6); the front end of sliding seat (7) is fixed with the second (9) of axis body of level to, the rotation of the second (9) of axis body is connected with mounting panel (10), the front end of mounting panel (10) is fixed with tire welt device (11), be fixed with encoder three (12) on mounting panel (10), the input shaft of encoder three (12) and the one end fixed connection of the second (9) of axis body.

2. The single-axis positioning mechanism for measuring caster and camber of an automotive kingpin of claim 1, wherein: the welt device (11) include through support fix welt gyro wheel (13) on mounting panel (10) top, correspondingly install two welt gyro wheels (13) in mounting panel (10) bottom both sides, welt gyro wheel (13) are provided with threely altogether, and three welt gyro wheel (13) are on same circle.

3. The single-axis positioning mechanism for measuring caster and caster of an automotive kingpin of claim 2, further comprising: the two sides of the bottom of the mounting plate (10) are correspondingly provided with two adjusting units (14), the two adjusting units (14) are symmetrically arranged, each adjusting unit (14) comprises an air cylinder (15) fixed on the side surface of the mounting plate (10) and a push plate (16) fixed at the end of an expansion link of the air cylinder (15), and the push plate (16) is connected with the mounting plate (10) in a sliding manner; two welt gyro wheels (13) of mounting panel (10) bottom both sides are corresponding to rotate and are connected on two push pedal (16) of bottom both sides.

4. The single-axis positioning mechanism for measuring caster and caster of an automotive kingpin of claim 1, wherein: the lifting device (1) comprises a vertical plate (17) and a sliding plate (18) which is connected with the vertical plate (17) in a sliding mode, the side face of the vertical plate (17) is rotatably connected with a third shaft body (19), a gear (20) is fixed to the inner end of the third shaft body (19), an adjusting hand wheel (21) is fixed to the outer end of the third shaft body (19), a rack (22) is fixed to the inner side face of the sliding plate (18), and the gear (20) is meshed with the rack (22).

5. The single-axis positioning mechanism for measuring caster and caster of an automotive kingpin of claim 4, wherein: the pushing device (2) comprises a transverse mounting plate (23) fixed to the top end of the sliding plate (18), a sliding seat (24) connected with the transverse mounting plate (23) in a sliding mode, and a pneumatic rod (25) fixed to the rear end of the transverse mounting plate (23), wherein the telescopic end of the pneumatic rod (25) is fixedly connected with the rear end of the sliding seat (24).