CN113532334A - Device and method for measuring toe-in angle and camber angle of vehicle - Google Patents
Device and method for measuring toe-in angle and camber angle of vehicle Download PDFInfo
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- CN113532334A CN113532334A CN202110878477.XA CN202110878477A CN113532334A CN 113532334 A CN113532334 A CN 113532334A CN 202110878477 A CN202110878477 A CN 202110878477A CN 113532334 A CN113532334 A CN 113532334A
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B11/00—Measuring arrangements characterised by the use of optical techniques
- G01B11/26—Measuring arrangements characterised by the use of optical techniques for measuring angles or tapers; for testing the alignment of axes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/0025—Measuring of vehicle parts
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
- G01B5/00—Measuring arrangements characterised by the use of mechanical techniques
- G01B5/24—Measuring arrangements characterised by the use of mechanical techniques for measuring angles or tapers; for testing the alignment of axes
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- G—PHYSICS
- G01—MEASURING; TESTING
- G01M—TESTING STATIC OR DYNAMIC BALANCE OF MACHINES OR STRUCTURES; TESTING OF STRUCTURES OR APPARATUS, NOT OTHERWISE PROVIDED FOR
- G01M17/00—Testing of vehicles
- G01M17/007—Wheeled or endless-tracked vehicles
- G01M17/013—Wheels
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- General Physics & Mathematics (AREA)
- Length Measuring Devices By Optical Means (AREA)
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Abstract
The invention discloses a device and a method for measuring a toe-in angle and a camber angle of a vehicle, which comprises measuring components respectively fixed on two sides of the vehicle to be measured, wherein each measuring component comprises a reflector, a support plate, a laser component and an adjusting component; the laser assembly comprises a measuring laser, the measuring laser is fixed on the side surface of the support plate far away from the vehicle to be detected, and a measuring beam hole for allowing a measuring beam of the measuring laser to pass through is formed in the support plate; the supporting plate is fixed on the adjusting component and can realize the position adjustment of the supporting plate through the adjusting component, a reflection block is arranged at the position, close to the measuring beam hole, of the reference surface of the supporting plate, a reflection surface with an included angle of 45 degrees with the reference surface is arranged on the reflection block, and a dial perpendicular to the reference surface is arranged at the end part of the supporting plate facing the reflection surface. The portable measuring instrument can guarantee measuring accuracy, is small in size and light in weight, and improves carrying convenience.
Description
Technical Field
The invention relates to a measuring tool, in particular to a device and a method for measuring a toe-in angle and a camber angle of a vehicle.
Background
The toe-in and camber angle of a wheel have a significant influence on the running stability of a vehicle, the life of a tire, and the like, and thus, in the maintenance of a vehicle, it is often necessary to measure the toe-in and camber angle.
However, the currently used measuring devices are all large 3D measuring devices fixedly installed, but are not movable and inconvenient to use although the precision is high. Or the distance difference between the front edge and the rear edge of the tire is measured by a measuring tape, and the measurement precision is unacceptable. Some patents also search for portable measuring devices, but the effect is not satisfactory considering the use environment and the precision influence of the vehicle.
CN108020133A discloses a device and a method for accurately measuring and adjusting the toe-in distance of an automobile, which reflects toe-in by measuring the distance difference between the front edge and the rear edge of a wheel. The data is not common data in automobile maintenance, and the toe-in angle or the distance difference between the front edge and the rear edge of the tire needs to be converted for use. The whole structure is purely mechanical, needs to span two sides of the vehicle and cover the front suspension length or the rear suspension length of the vehicle, still has larger one-dimensional size, and is inconvenient to carry. CN106985909A discloses a wheel alignment and toe angle adjustment system for a three-wheeled vehicle, which reflects the angle by means of laser reflection, but the positioning of the laser and the reflection plate both depend on the wheel itself, and lack accurate positioning. Considering that the toe-in angle of the wheel is generally a slight angle of about 10', and the wheel base deviation of the vehicle and the like affect the measurement system, it is difficult to obtain an accurate measurement result by this measurement method. In addition, the two technical schemes can only measure the toe-in angle and cannot measure the camber angle
Disclosure of Invention
The invention aims to provide a device and a method for measuring a toe-in angle and a camber angle of a vehicle, which can ensure the measurement precision, have small volume and light weight and improve the carrying convenience.
The device for measuring the toe-in angle and the camber angle of the vehicle comprises measuring components which are respectively fixed on two sides of the vehicle to be detected, wherein each measuring component comprises a reflector, a support plate, a laser component and an adjusting component; the laser assembly comprises a measuring laser, the measuring laser is fixed on the side surface of the support plate far away from the vehicle to be detected, the side surface of the support plate close to the vehicle to be detected is a reference surface, and a measuring beam hole for allowing a measuring beam of the measuring laser to pass through is formed in the support plate; the utility model discloses a vehicle toe-in angle and camber angle measuring device, including backup pad, measuring laser, backup pad, measuring laser hole, adjusting part, measuring laser hole, the backup pad is fixed in adjusting part, can realize backup pad position adjustment through adjusting part, the position that the reference surface of backup pad is close to measuring beam hole is equipped with reflection of light piece, be equipped with the reflection of light face of personally submitting 45 contained angles with the reference on the reflection of light piece, the backup pad tip of this reflection of light face orientation is equipped with the calibrated scale perpendicular with the reference surface, the calibrated scale is equipped with horizontal toe-in angle reading area and vertical camber angle reading area, and the light beam that the measuring laser sent passes the measuring beam hole in the backup pad after the reflection of light piece to the reflection of light face on the wheel, then reflects to the calibrated scale, confirms vehicle toe-in angle and camber angle through the reading on the calibrated scale.
Further, the measuring beam hole is of a T shape and comprises a transverse strip-shaped hole and a vertical strip-shaped hole, the middle of the vertical strip-shaped hole is in through connection with the transverse strip-shaped hole, and a line, intersecting with the base surface, of the light reflecting surface is parallel to the vertical strip-shaped hole.
Furthermore, the front end part and the rear end part of the reflector are respectively hinged and fixed with the first clamping jaw and the second clamping jaw, and a spring is connected between the first clamping jaw and the second clamping jaw and provides inward pressure through the spring.
The wheel center mark positioning device comprises a positioning laser and a reference laser fixed on a support plate on one side, wherein a reference reflection point corresponding to the position of the reference laser is arranged on the support plate on the other side, a positioning beam hole and a reference beam hole corresponding to beams emitted by the positioning laser and the reference laser are arranged on the support plate, and the distance from the measuring beam hole to the wheel center mark is the same as the distance from the measuring beam hole to the positioning beam hole.
Furthermore, the adjusting assembly comprises a base, and an X-direction adjusting assembly, a Y-direction adjusting assembly and a Z-direction adjusting assembly which are fixed on the base, the X-direction adjusting assembly comprises an X-direction slide rail, an X-direction slide block and an X-direction lead screw, the X-direction slide rail is arranged on the upper surface of the base, and the X-direction slide block moves along the X-direction slide rail under the drive of the X-direction lead screw; the Y-direction adjusting assembly comprises a Y-direction slide rail, a Y-direction slide block and a Y-direction lead screw, the Y-direction slide rail is arranged on the upper surface of the X-direction slide block and is vertical to the X-direction slide rail, and the Y-direction slide block moves along the Y-direction slide rail under the drive of the Y-direction lead screw; the Z-direction adjusting assembly comprises an upright post, the lower end of the upright post is fixedly connected with the Y-direction sliding block, and a guide sleeve in sliding fit with the upright post and a locking screw for locking the position of the guide sleeve are arranged on the supporting plate.
Further, the base is the rectangle, and one in four angles is equipped with highly fixed first stabilizer blade, and the other three is equipped with height-adjustable's second stabilizer blade.
Furthermore, the wheel center mark is in a cross shape, the center of the wheel center mark is in a circle, and the diameter of the circle is the same as that of the positioning light beam.
A method of measuring toe and camber angles of a vehicle, comprising the steps of:
s1, fixing the reflector on the wheel, and adjusting the position of the reflector to make the axis of the wheel pass through the wheel center mark;
s2, adjusting the position of the supporting plate through the adjusting assembly to enable the reference surface of the supporting plate to be parallel to the XZ plane of the whole vehicle coordinate system;
and S3, turning on the measuring laser, irradiating the measuring beam emitted by the measuring laser at the wheel center mark through the measuring beam hole to form a first reflected beam, forming a second reflected beam after the first reflected beam passes through the reflecting surface of the reflecting block, irradiating the second reflected beam onto the dial at the end part of the supporting plate, and determining the toe-in angle and the camber angle of the vehicle through the reading on the dial.
Compared with the prior art, the invention has the following beneficial effects.
1. According to the invention, the toe-in angle and the camber angle of the wheel are amplified through the reflection of laser, the reflecting block is arranged at the position of the reference surface close to the measuring beam hole, and the offset distance of the reflected beam is further amplified by prolonging the length of the optical path, so that the accurate measurement of the toe-in angle and the camber angle is realized. The whole measuring device is small in size and light in weight, and carrying convenience is improved.
2. The front end part and the rear end part of the reflector are respectively hinged and fixed with the first clamping jaw and the second clamping jaw, the spring is connected between the first clamping jaw and the second clamping jaw, inward pressure is provided through the spring, then self-centering clamping on a wheel is achieved, and errors caused by transverse movement of a light reflecting point are reduced.
3. The measuring beam hole is T-shaped and comprises a transverse strip-shaped hole and a vertical strip-shaped hole, wherein the middle part of the vertical strip-shaped hole is in through connection with the transverse strip-shaped hole, so that the measuring beam can be controlled to be T-shaped, and convenience and accuracy of reading are improved.
4. The invention accurately establishes a measuring reference through the cooperation of the reference laser fixed on the supporting plate at one side and the reference reflecting point on the supporting plate at the other side, controls the distance between the supporting plate and the reflecting plate through the positioning laser, accurately controls the length of a light path, and provides a basis for accurately measuring the toe-in angle and the camber angle.
Drawings
FIG. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic structural view of the reflector of the present invention;
FIG. 3 is a schematic view of the construction of the wheel center marker of the present invention;
FIG. 4 is a schematic view of the side of the support plate opposite the datum plane in accordance with the present invention;
FIG. 5 is a schematic view of the datum plane of the present invention;
FIG. 6 is a schematic view of the measurement beam aperture and reflector block of the present invention;
FIG. 7 is a schematic view of the dial of the present invention;
FIG. 8 is a schematic view of the adjustment assembly of the present invention;
FIG. 9 is a schematic view of the base of the present invention;
FIG. 10 is a schematic view of the placement of the reference retro-reflective dots of the present invention;
FIG. 11 is a schematic view of the positioning operation optical path of the present invention;
FIG. 12 is a schematic optical path diagram of the measurement operation of the present invention.
In the figure, 1-a reflector panel, 11-a wheel center mark, 12-a first claw, 13-a second claw, 14-a spring, 15-a rotating shaft,
2-support plate, 21-measurement beam hole, 22-reference beam hole, 23-positioning beam hole, 24-dial, 241-toe angle reading zone, 242-camber angle reading zone, 25-guide sleeve;
3-laser component, 31-measuring beam, 32-first reflected beam, 33-second reflected beam;
4-adjusting component, 41-X direction adjusting component, 411-X direction sliding rail, 412-X direction sliding block, 413-X direction screw rod, 414-X direction adjusting hand wheel, 415-first mounting protrusion; 42-Y direction adjusting component, 421-Y direction sliding rail, 422-Y direction sliding block, 423-Y direction lead screw, 424-Y direction adjusting hand wheel, 425-second mounting protrusion; a 43-Z direction adjusting component, 431-an upright post, 432-a locking screw and 433-Z direction adjusting hand wheel; 44-base, 441-first leg, 442-second leg;
5-positioning element, 51-reference laser, 511-reference beam, 52-positioning laser, 521-positioning beam, 53-reference reflection point,
6-reflection of light piece, 61-reflection of light face, 7-division of light box, 8-power, 9-spirit level.
Detailed Description
The present invention will be described in detail with reference to the accompanying drawings.
Referring to fig. 1 to 7, the vehicle toe-in angle and camber angle measuring device comprises measuring assemblies respectively fixed on two sides of a vehicle to be detected, wherein each measuring assembly comprises a reflector 1, a support plate 2, a laser assembly 3 and an adjusting assembly 4, the reflector 1 is fixed on a wheel, the plane where the reflector 1 is located is perpendicular to the axis of the wheel, and the reflector 1 is provided with a wheel center mark 11 at a position corresponding to the axis of the vehicle. Referring to fig. 2, the front end and the rear end of the reflector 1 are respectively hinged and fixed with a first clamping jaw 12 and a second clamping jaw 13 through a rotating shaft 15, a spring 14 is connected between the first clamping jaw 12 and the second clamping jaw 13, inward pressure is provided through the spring 14, so that the reflector 1 can be fixed outside a wheel, meanwhile, due to the structure of the two sides of the reflector 1 and the symmetry of stress, the wheel axis passes through a wheel center mark 11, the reflector 1 is clamped on the wheel in a self-centering manner, and errors caused by the transverse movement of a reflective point are reduced. Referring to fig. 3, the wheel center mark 11 has a cross shape with a center having a circular shape having the same diameter as the positioning beam 521.
The utility model discloses a measuring laser device, including backup pad 2, measuring beam hole 21, backup pad 2, measuring laser beam hole 21, measuring laser beam hole 31, adjusting part 4, backup pad 2 position adjustment can be realized through adjusting part 4, the position that the reference surface of backup pad 2 is close to measuring beam hole 21 is equipped with reflection of light piece 6, be equipped with the reflection of light face 61 that personally submits 45 contained angles with the reference on the reflection of light piece 6, 2 tip of backup pad of this reflection of light face 61 orientation are equipped with the calibrated scale 24 perpendicular with the reference surface, calibrated scale 24 is equipped with horizontal toe-in angle reading district 241 and vertical camber angle reading district 242, and measuring laser beam 31 that sends passes measuring beam hole 21 on the backup pad 2 and reflects the reflection of light face 61 to reflection of light piece 6 through reflector 1 on the wheel, then reflects to calibrated scale 4, confirms vehicle toe-in angle and camber angle through the reading on calibrated scale 4.
Preferably, in order to facilitate the reading and improve the reading accuracy, the whole measuring beam hole 21 is "T" type, and includes horizontal bar hole and the vertical bar hole of middle part and horizontal bar hole through connection, the line that the reflector surface 61 and the base face intersect is parallel with vertical bar hole.
Preferably, referring to fig. 8 to 10, the adjusting assembly 4 includes a base 44, and an X-direction adjusting assembly 41, a Y-direction adjusting assembly 42, and a Z-direction adjusting assembly 43 fixed on the base 44, wherein the X-direction adjusting assembly 41 includes an X-direction sliding rail 411, an X-direction sliding block 412, and an X-direction lead screw 413. The number of the X-direction sliding rails 411 is two, the X-direction sliding rails are arranged on the upper surface of the base 44 in a left-right parallel mode, protrusions which are in sliding fit with the two X-direction sliding rails 411 correspondingly are arranged at the front end portion and the rear end portion of the X-direction sliding block 412, two first mounting protrusions 415 used for fixing the X-direction lead screw 413 are arranged on the base 44, threaded holes which are in sliding fit with the X-direction lead screw 413 correspondingly are formed in the middle of the X-direction sliding block 412, an X-direction adjusting hand wheel 414 is fixed at the end portion of the X-direction lead screw 413, and the X-direction sliding block 412 can horizontally move back and forth along the X-direction sliding rails 411 by rotating the X-direction adjusting hand wheel 414 clockwise or anticlockwise.
The Y-direction adjusting assembly 42 comprises a Y-direction slide rail 421, a Y-direction slider 422 and a Y-direction lead screw 423. The Y is to the quantity of slide rail 421 two, and the parallel front and back is located X to the slider 412 upper surface, and Y is perpendicular to slide rail 411 to slide rail 421 and X promptly, Y is equipped with the arch that corresponds the complex with two Y to slide rail 421 to the left and right end of slider 422, X is equipped with two second installation archs 425 that are used for fixed Y to lead screw 423 to being equipped with on the slider 412, and Y is equipped with the corresponding complex screw hole of Y to lead screw 423 to slider 422 middle part, and Y is fixed with Y to lead screw 423 end and is adjusted the hand wheel 424, through clockwise or anticlockwise rotation Y to adjusting the hand wheel 424, realizes that Y moves about along Y to slide rail 421 level to slider 422.
The Z-direction adjusting assembly 43 comprises a vertical column 431, the lower end of the vertical column 431 is fixedly connected with a Y-direction sliding block 422, a guide sleeve 25 which is in sliding fit with the vertical column 431 is arranged on the supporting plate 2, a locking screw 432 and a Z-direction adjusting hand wheel 433 are arranged on the guide sleeve 25, the guide sleeve 25 vertically moves up and down along the vertical column 431 by clockwise or anticlockwise rotating the Z-direction adjusting hand wheel 433, and after the Z-direction is adjusted in place, a locking bolt 432 is screwed down to realize the relative fixed connection of the guide sleeve 25 and the vertical column 431.
The base 44 is rectangular, one of four corners is provided with a first supporting leg 441 with fixed height, the other three are provided with second supporting legs 442 with adjustable height, the second supporting legs 422 are screws, and the base is provided with threaded holes matched with the screws.
The base 44 is fixed with a power supply 8 and a level gauge 9, the level gauge 9 is used for confirming the overall levelness of the base 44, the power supply 8 is connected with the switch box 7 through a wiring harness, the switch box 7 is connected with the measuring laser, the reference laser 51 and the positioning laser 52 through the wiring harness, and the switch box 7 is provided with switches for respectively controlling the measuring laser, the reference laser 51 and the positioning laser 52 to be switched on and switched off.
A method of measuring toe and camber angles of a vehicle, comprising the steps of:
s1, clamping the first clamping jaws 12 and the second clamping jaws 13 at the two ends of the reflector 1 on a wheel of a vehicle to be detected, realizing self-positioning fixed connection of the reflector 1 and the wheel by using the spring 14, and enabling the axis of the wheel to pass through the wheel center mark 11.
And S2, adjusting the position of the support plate 2 through the adjusting assembly 4 to enable the reference plane of the support plate 2 to be parallel to the XZ plane of the coordinate system of the whole vehicle. The specific operation is as follows: referring to fig. 11, the three second legs 442 of the base 44 are first adjusted in height until the level 9 is level. Then, the measuring laser, the reference laser 51 and the positioning laser 52 are turned on, and the base positions of the left and right side measuring assemblies are adjusted, so that the measuring beams 31 of the two side measuring assemblies are respectively irradiated on the wheel center marks 11 of the corresponding light reflecting plates 1, meanwhile, the reference beam 511 emitted by the reference laser 51 is irradiated to the reference light reflecting point 53, and the beam reflected by the reference light reflecting point 53 returns to the reference beam hole 22, at this time, the reference plane of the support plate 2 is parallel to the XZ plane of the coordinate system of the whole vehicle, and the reference beam 521 is parallel to the Y axis of the coordinate system of the whole vehicle. And the Y-direction adjusting hand wheel is screwed, so that the positioning beam 521 emitted by the positioning laser 52 is irradiated in the circle of the wheel center mark 11, and at the moment, the measuring beam 31, the support plate 2 and the positioning beam 521 form an isosceles right triangle, namely, the distance from the measuring beam hole 21 to the wheel center mark 11 is the same as the distance from the measuring beam hole 21 to the positioning beam hole 23. The measuring datum is accurately established through the cooperation of a datum laser 51 fixed on the left support plate 2 and a datum reflecting point 53 on the right support plate 2, the distance between the support plate 2 and the reflecting plate 1 is controlled through a positioning laser 52, the length of a light path is accurately controlled, and a foundation is provided for the accurate measurement of the toe-in angle and the camber angle.
S3, turning on the measuring laser, referring to fig. 12, the measuring beam 31 from the measuring laser passes through the measuring beam hole 21 and irradiates the wheel center mark and forms a first reflected beam 32, the first reflected beam 32 passes through the reflective surface 61 of the reflector block 6 and forms a second reflected beam 33, the second reflected beam 33 irradiates the scale 24 on the end of the support plate 2, and the toe-in angle and camber angle of the vehicle are determined by the reading on the scale 24. Because the measuring beam hole 21 is in a T shape, the cross section of the secondary reflected beam 33 is also in a T shape, and two mutually perpendicular line segments of the T shape point to the toe-in angle reading area 241 and the camber angle 242 reading area respectively, so that accurate angle values can be read conveniently. In order to avoid interference, the reference laser 51 and the positioning laser 52 are switched off during the measurement.
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 invention, and any modifications, equivalents and improvements made within the spirit and principle of the present invention are intended to be included within the scope of the present invention.
Claims (8)
1. The utility model provides a toe angle and camber angle measuring device before vehicle, is including being fixed in the measuring component who waits to examine the vehicle both sides respectively, its characterized in that: the measuring assembly comprises a reflector (1), a support plate (2), a laser assembly (3) and an adjusting assembly (4), the reflector (1) is fixed on a wheel, the plane of the reflector (1) is vertical to the axis of the wheel, and a wheel center mark (11) is arranged at the position of the reflector (1) corresponding to the axis of the vehicle;
the laser assembly (3) comprises a measuring laser, the measuring laser is fixed on the side face, far away from the vehicle to be detected, of the supporting plate (2), a measuring beam hole (21) for a measuring beam (31) of the measuring laser to penetrate through is formed in the supporting plate (2), and the side face, close to the vehicle to be detected, of the supporting plate (2) is a reference surface;
the supporting plate (2) is fixed on the adjusting component (4), the position of the supporting plate (2) can be adjusted through the adjusting component (4), a light reflecting block (6) is arranged at the position of the reference surface of the supporting plate (2) close to the measuring beam hole (21), the reflecting block (6) is provided with a reflecting surface (61) which forms an included angle of 45 degrees with the reference surface, a dial (24) perpendicular to the reference surface is arranged at the end of the supporting plate (1) facing the reflecting surface (61), the dial (24) is provided with a transverse toe-in angle reading area (241) and a vertical camber angle reading area (242), a measuring beam (31) emitted by a measuring laser penetrates through a measuring beam hole (21) on the supporting plate (2) and then is reflected to a reflecting surface (61) of the reflecting block (6) through the reflecting plate (1) on the wheel, then reflected to the scale (24) and the toe angle and camber angle of the vehicle are determined by the readings on the scale (24).
2. The vehicle toe and camber angle measuring device according to claim 1, wherein: measuring beam hole (21) are "T" style of calligraphy, including horizontal bar hole and middle part and horizontal bar hole through connection's vertical bar hole, the crossing line of reflection of light face (61) and base face is parallel with vertical bar hole.
3. The vehicle toe and camber angle measuring device according to claim 1 or 2, characterized in that: the front end part and the rear end part of the reflector (1) are respectively hinged and fixed with a first clamping jaw (12) and a second clamping jaw (13), a spring (14) is connected between the first clamping jaw (12) and the second clamping jaw (13), and inward pressure is provided through the spring (14).
4. The vehicle toe and camber angle measuring device according to claim 1 or 2, characterized in that: the wheel center mark positioning device is characterized by further comprising a positioning assembly (5), wherein the positioning assembly (5) comprises a positioning laser (52) and a reference laser (51) fixed on the supporting plate (2) on one side, a reference reflection point (53) corresponding to the position of the reference laser (52) is arranged on the supporting plate (2) on the other side, a positioning beam hole (23) and a reference beam hole (22) corresponding to beams emitted by the positioning laser (52) and the reference laser (51) are arranged on the supporting plate (2), and the distance from the measuring beam hole (21) to the wheel center mark (11) is the same as the distance from the measuring beam hole (21) to the positioning beam hole (23).
5. The vehicle toe and camber angle measuring device according to claim 1 or 2, characterized in that: the adjusting component (4) comprises a base (44), and an X-direction adjusting component (41), a Y-direction adjusting component (42) and a Z-direction adjusting component (43) which are fixed on the base (44),
the X-direction adjusting assembly (41) comprises an X-direction sliding rail (411), an X-direction sliding block (412) and an X-direction lead screw (413), the X-direction sliding rail (411) is arranged on the upper surface of the base (44), and the X-direction sliding block (412) moves along the X-direction sliding rail (411) under the driving of the X-direction lead screw (413);
the Y-direction adjusting assembly (42) comprises a Y-direction sliding rail (421), a Y-direction sliding block (422) and a Y-direction lead screw (423), the Y-direction sliding rail (421) is arranged on the upper surface of the X-direction sliding block (412), the Y-direction sliding rail (421) is perpendicular to the X-direction sliding rail (411), and the Y-direction sliding block (422) moves along the Y-direction sliding rail (421) under the driving of the Y-direction lead screw (423);
the Z-direction adjusting assembly (43) comprises an upright post (431), the lower end of the upright post (431) is fixedly connected with the Y-direction sliding block (422), and a guide sleeve (25) in sliding fit with the upright post (431) and a locking screw (432) for locking the position of the guide sleeve (25) are arranged on the supporting plate (2).
6. The vehicle toe and camber angle measuring device according to claim 5, wherein: the base (44) is rectangular, one of four corners is provided with a first supporting leg (441) with fixed height, and the other three are provided with second supporting legs (442) with adjustable height.
7. The vehicle toe and camber angle measuring device according to claim 1 or 2, characterized in that: the wheel center mark (1) is in a cross shape, and the center of the wheel center mark is circular.
8. A method for measuring a toe angle and a camber angle of a vehicle, comprising the steps of:
s1, fixing the reflector (1) on the wheel, and adjusting the position of the reflector (1) to enable the axis of the wheel to pass through the wheel center mark (11);
s2, adjusting the position of the support plate (2) through the adjusting component (4) to enable the reference surface of the support plate (2) to be parallel to the XZ plane of the whole vehicle coordinate system;
s3, the measuring laser is turned on, the measuring beam (31) emitted by the measuring laser irradiates the wheel center mark (11) through the measuring beam hole (21) and forms a first reflected beam (32), the first reflected beam (32) forms a second reflected beam (33) after being reflected by the reflecting surface (6) of the reflecting block (6), the second reflected beam (33) irradiates the dial (24) at the end part of the supporting plate (2), and the toe angle and the camber angle of the vehicle are determined through the reading on the dial (24).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110878477.XA CN113532334B (en) | 2021-07-30 | 2021-07-30 | Device and method for measuring toe-in angle and camber angle of vehicle |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110878477.XA CN113532334B (en) | 2021-07-30 | 2021-07-30 | Device and method for measuring toe-in angle and camber angle of vehicle |
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| Publication Number | Publication Date |
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| CN113532334A true CN113532334A (en) | 2021-10-22 |
| CN113532334B CN113532334B (en) | 2023-04-07 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115930842A (en) * | 2023-03-09 | 2023-04-07 | 荣成康派斯新能源车辆股份有限公司 | Caravan wheel axle locator and wheel axle locating detection method thereof |
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| CN115930842A (en) * | 2023-03-09 | 2023-04-07 | 荣成康派斯新能源车辆股份有限公司 | Caravan wheel axle locator and wheel axle locating detection method thereof |
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