Automobile front axle toe-in value measuring device and measuring method
A measuring equipment and toe-in technology, applied to measuring devices, instruments, optical devices, etc., can solve the problems of time-consuming and laborious correction, low measurement accuracy, low production efficiency, etc., to simplify operation, accurate and reliable measurement, and improve production. The effect of efficiency
Pending Publication Date: 2022-01-11
YUNNAN MINZU UNIV
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Problems solved by technology
[0009] The object of the present invention is to provide a kind of toe-in value measuring equipment and its measuring method of the front axle of the automobile, aiming to solve the problems of low measurement accuracy, time-consuming and laborious correction, low production efficiency and cost in the existing measurement of the toe-in value of the front axle of the automobile. high cost
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[0030] In order to make the object, technical solution and advantages of the present invention more clear and definite, the present invention will be further described in detail below with reference to the accompanying drawings and examples.
[0031] Such as figure 1 As shown, the present invention provides a kind of toe-in value measuring device of the front axle of the automobile, comprising the brake drum 1 at the left end of the front axle, the limit photoelectric switch 2, the left end ball screw 3, the laser displacement sensor 4, the limit photoelectric switch 5, The left end carries the laser displacement sensor servo motor 6, the brake drum rotating device sleeve point 7, the brake drum rotating device pull rod 8, the sector plate 9, the bearing 10, the rotating brake drum motor 11, the right end carries the laser displacement sensor servo motor 12, the limit Position photoelectric switch 13, laser displacement sensor 14, limit photoelectric switch 15, right end ball sc...
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The invention provides an automobile front axle toe-in value measuring device. The device comprises a laser displacement sensor toe-in value measuring device, a brake drum rotating device, a limit limiting device, a servo motor driving device, a laser displacement sensor bearing motor, a brake drum rotating motor, a man-machine interaction unit, a pulse transmission unit, a toe-in value real-time detection unit, a motor origin returning unit and an electrical control system. The invention further provides an automobile front axle toe-in value measuring method which comprises the steps that the system is started, and the servo motor returns to the original point; and the toe-in value of the front axle of the automobile is measured in real time, when the toe-in value meets the set standard toe-in value, the locking nut is tightened, and the measuring procedure is finished. The distance between the front edge and the rear edge of the brake drum at the two ends of the front axle is measured in real time through the laser displacement sensor, the actually-measured toe-in value can be compared with the standard toe-in value in real time, then error correction is continuously performed till that the standard value is reached, and the toe-in value measurement accuracy is completely guaranteed.
Description
technical field [0001] The invention relates to the field of automobile front axle assembly, in particular to an automobile front axle toe value measuring device and a measuring method thereof. Background technique [0002] The toe-in is one of the four parameters of the alignment of the front wheels of the car. When the front axle is assembled, the two brake drums need to be inclined outward at an angle to form a "outer eight" shape. The front and rear edges of the brake drums at both ends of the front axle The difference in distance is the toe-in value. The toe-in value is set to eliminate the bad tendency of the wheel after the camber, if the toe-in value is not up to the standard, the car will deviate or the tire will wear out. In recent years, the method of measuring and detecting the toe-in value of the automobile front axle has become a research hotspot in the field of automobiles, and fruitful theoretical research and application research results have been obtained....
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IPC IPC(8): G01B11/02G01B11/14
CPCG01B11/02G01B11/14
Inventor 樊康生杨光永吴大飞
Owner YUNNAN MINZU UNIV