JP3038322U - Roller type side slip tester with separate detection - Google Patents

Abstract

(57) [Summary] To remove the crank mechanism connecting the left and right rollers from the conventional roller-type side slip tester and individually detect the alignment of each wheel of the vehicle to be measured from the left and right rollers. In addition, it is an object of the present invention to provide a roller-type side slip tester by separation detection, which can accurately and stably detect the skid amount which is the detection value of each of the left and right wheels, and thus can more stably detect the skid amount of the axle. . SOLUTION: A pair of left and right rollers are arranged perpendicularly to a vehicle traveling axis, and each roller is provided with a drive motor for driving a tire of a vehicle of a measurement target vehicle or a tire of a vehicle of the measurement target vehicle. An external drive device is arranged to rotate on a pair of left and right rollers, and each of the pair of left and right rollers is slidable in a direction perpendicular to the vehicle traveling axis, and the measurement passes within a specified distance. The side slip amount, which is the amount of side slip of each of the left and right wheels of the target vehicle, is separated and detected as the slide, and each separated and detected side slip amount is replaced with an electric signal, and the measurement judgment and display are performed by the control device. The configuration to be performed is the solution.

Description

[Detailed description of the invention]

[0001]

[Technical field to which the invention belongs]

 The present invention relates to a roller-type side slip tester by detecting the separation of the left and right wheels separately for detecting and measuring the side slip amount which is the skid amount of a vehicle that has undergone vehicle inspection maintenance or a vehicle that starts vehicle inspection maintenance. Is.

[0002]

[Prior art]

 In Japan, vehicles running on public roads are required to undergo regular vehicle inspections at a so-called "vehicle inspection station" under the jurisdiction of the Ministry of Transport for vehicles that have passed a certain period. Car inspection can be done before inspection Vehicles are inspected in advance at maintenance factories after the end of maintenance or before the start of maintenance.

[0003] Vehicle inspection inspection items at the vehicle inspection area include a pseudometer inspection for measuring an error of a speedometer mounted on the vehicle, a brake tester inspection for measuring the braking force of the vehicle, and a side for measuring the amount of skidding of the vehicle. Slip tester inspection and headlight tester inspection, which measures the optical axis and luminous intensity of vehicle headlights, are the main vehicle inspection items.

According to Japanese Patent Publication No. 4-23207 of the applicant of the present invention, there is disclosed an integrated inspection device for compound vehicle inspection equipment that performs the above inspections in a complex manner. The side-slip tester is a roller-type side-slip tester, in which the tires are rotated on rollers that have the same circumferential distance as that of the conventional tread or a distance proportional to this tread, and the left and right individual wheels are rotated. This is a device that detects the amount of side slip, which is the amount of skid, and obtains the quality of alignment adjustment, which is a determination as to the straightness of the vehicle. In such Japanese Patent Publication No. 4-23207, such a roller-type side slip tester is installed in the gap between the front and rear rollers of the speedometer tester.

Such a roller-type side slip tester adopted as an integrated inspection device or an independent device enables detection of the amount of sideslip without moving the vehicle by itself and moving to different places. In addition to being an epoch-making point, it is an extremely effective and efficient device for maintenance shops that require efficient vehicle inspection and maintenance on a limited site.

Here, the principle of measuring the side slip amount obtained by the roller type side slip tester will be briefly described. As described above, the pair of left and right rollers of the roller-type side slip tester are the same distance as the tread length of the tread type side slip tester stipulated in the Road Transport Vehicle Act of Japan, or proportional to this tread length. It has a circumferential length and is arranged in parallel with the axle that is orthogonal to the traveling axis of the vehicle, and each roller on the left and right is equipped with a sliding mechanism on the same axis parallel to the axle. There is.

One end of each of the left and right rollers is connected by a crank mechanism, and when one of the left and right rollers slides about the central axis of the crank mechanism, this sliding distance The structure is such that the same sliding distance is the sliding distance of the other rollers, so that left and right operations are performed. Therefore, if the left and right wheels are misaligned when the vehicle is placed on the left and right rollers and the tires are rotated, the skid amounts obtained from the left and right wheels will naturally differ. The larger the difference between the left and right sideslip, the more alignment adjustment is required.

[0008]

[Problems to be solved by the device]

 Although it is a roller type side slip tester based on such a measurement principle, since the left and right rollers are connected by the crank mechanism described above, the lateral slip amount of each of the left and right wheels cannot be detected, and the left and right wheels are not detected. Even if alignment adjustment is performed, it is necessary to use different measuring devices to adjust the alignment of each wheel, while a mechanical link mechanism called a crank mechanism is used to detect the amount of sideslip of each wheel. The detected value obtained by so-called mechanical loss is unstable, or even inaccurate.

Therefore, in order to eliminate these problematic elements, the present invention further improves the stability and accuracy of the conventional integrated inspection device or the roller type side slip tester adopted as an independent device. It was created from the standpoint of the aim of improving the alignment of each wheel of the vehicle to be measured from the left and right rollers by removing the crank mechanism that connects the left and right rollers from the conventional roller side slip tester. Therefore, the lateral slip amount, which is the detection value for each of the left and right wheels, can be accurately and stably detected, and therefore the lateral slip amount of the axle can be detected more stably. The challenge is to provide.

[0010]

[Means for Solving the Problems]

 The present invention is characterized by a means for solving such a problem, which is a side slip tester for detecting and measuring the amount of sideslip of a vehicle when passing within a specified distance. In a roller-type side slip tester in which the outer peripheral edge of a pair of left and right rollers is determined according to the ratio, the pair of left and right rollers are arranged perpendicularly to the vehicle traveling axis, and each roller drives a tire of the vehicle of the vehicle to be measured. An external drive device is arranged to rotate the drive motor or the vehicle tire of the vehicle to be measured on the pair of left and right rollers, and each of the pair of left and right rollers is perpendicular to the vehicle traveling axis. Direction, the amount of side slip, which is the amount of side slip of each of the left and right wheels of the vehicle to be measured that passes within the specified distance, is divided as the above-mentioned slide. The separation detection is performed, and each of the separately detected side slip amounts is replaced with an electric signal, and the control device performs measurement determination and display.

[0011]

[Embodiment of the invention]

 An embodiment of a roller-type side slip tester with separation detection according to the present invention having such a configuration will be described with reference to the accompanying drawings.

FIG. 1 is a perspective view showing the whole of a composite type vehicle inspection apparatus incorporating a roller-type side slip tester by the separation detection of the present invention, FIG. 2 is a side view of FIG. 1, and FIG. 3 is a separation detection. FIG. 6 is a plan view of a roller-type side slip tester according to the present invention.

In FIGS. 1 and 2, reference numeral 1 indicates a composite type vehicle inspection apparatus incorporating a roller-type side slip tester 11 based on separation detection, and reference numeral 11 indicates a side slip tester (hereinafter referred to as “side slip detection” based on separation detection. "Side slip tester"), reference numeral 12 indicates a speedometer tester, reference numeral 13 indicates a brake tester, reference numerals 12a and 12b indicate left and right detection rollers of the speedometer tester 12, and reference numeral Reference numerals 13a and 13b denote rollers for detecting the braking force of the left and right wheels of the brake tester 13, respectively.

Reference numerals 20a and 20b denote a pair of left and right rollers that drive the two wheels of the axle of the vehicle and detect the amount of sideslip by measuring the side slip tester 11 by separation detection. Reference numerals 21a and 21b denote the rollers 20a and 20b. A drive motor, which is a drive source, is shown, and symbols 22a and 22b indicate respective left and right base portions on which the portions connecting the rollers 20a and 20b and the drive motors 21a and 21b are mounted.

By the way, in the present embodiment, the left and right rollers 20a, 20b themselves do not slide, but the base portions 22a, 22b on which these rollers 20a, 20b are arranged are the bases indicated by reference numeral 23. The upper part is a mechanism which is attached to the bottom surface parts of the left and right base parts 22a and 22b and is slidable by the sliding rollers 25a, 25b, 25c and 25d shown in FIG. Reference numerals 26a, 26b, 26c, and 26d denote lift portions that are arranged on the bottom surface of the base portion 23 and that are lifting means of the base portion 23.

The detection and measurement of the side slip amount of the measurement vehicle will be described with reference to one embodiment of the side slip tester 11 of the present invention having such a configuration. A vehicle that has undergone vehicle inspection maintenance advances in the traveling direction (arrow direction) shown in FIG. 1 and enters the combined vehicle inspection device 1 equipped with the side slip tester 11. At that time, it is easy to enter both measurement vehicles. Therefore, the lift portions 26a, 26b, 26c, 26d of the side slip tester 11 act as shown in FIG. 4 (b) to raise the base portion 23 so that the rollers 20a, 20b of the side slip tester 11 move. The left and right detection rollers 12a and 12b of the speedometer tester 12 and the left and right detection rollers 13a and 13b of the brake tester 13 are raised to substantially the same height position.

When the entry of the measurement vehicle into the composite type vehicle inspection apparatus 1 is completed, the lift portions 26a, 26b, 26c, 26d descend as shown in FIG. 4 (a), and the speedometer tester 12 and Each measurement is started by the brake tester 13 for the axle to be inspected.

When these measurements are completed, the side slip tester 11 starts to detect the amount of sideslip by the separation detection. The procedure is the same as the above-described lift portions 26a, 26b, 26c, 26d shown in FIG. As shown in (b), it acts in the ascending direction to raise the base portion 23, and the rollers 20a and 20b come into contact with the tire T 1 of the target axle along with this ascent, and further raises the tire T 1 to the measurement start position. At this time, since the other axle different from the axle to be measured is fixed by a device such as a hand brake or a vehicle stopper, both wheels of the axle to be measured can be stably placed on the rollers 20a and 20b. Become.

The tire T of the target axle is placed on the rollers 20a and 20b, and the measurement of the side slip is started. In FIG. 5, one side of the side slip tester 11 (the right side in the vehicle traveling direction) is shown. It is explanatory drawing which expanded the site | part. When the measurement target axle of the measurement vehicle for which the alignment adjustment of the camber, casters, toe-in, etc. has been completed, or the vehicle for which maintenance is to be performed is placed on the roller 20b, it is arranged on the same axis as the roller 20b. The drive motor 21b connected to the roller 20b starts rotation to rotate the target axle.

Sliding rollers 25 a, 25 b, 25 c, 25 d and a sliding member 27 are arranged in the gaps between the left and right base portions 22 a, 22 b and the base portion 23, and left and right on the base bottom portion 23. The base portions 22a and 22b are arranged so as to be slidable in the directions (+ x to −x) shown in FIG. The sliding member 27 fixed to the base portion 23 has the base portion 23 when the left and right base portions 22a and 22b slide on the base portion 23 in the (+ x to -x) directions. It plays the role of a so-called guide mechanism that regulates sliding only in the longitudinal direction.

The sliding principle in the (+ x to −x) direction shown in FIG. 5, that is, the principle of measuring the amount of sideslip will be specifically described below.

As shown in FIG. 6, the skid amounts of the left and right tires Tl, Tr of the axle to be measured are different from each other depending on the alignment adjustment of the left and right tires Tl, Tr. Amount will be generated. Therefore, when the skid amount of each of the left and right tires T1 and Tr is Tr> Tl, the skid amount to the left side increases, and the left and right base portions 22a and 22b slide in the (+ x) direction shown in FIG. On the contrary, when the lateral slip amount of each of the left and right tires Tl and Tr is Tr <Tl, the lateral slip amount to the right increases, and the left and right base portions 22a and 22b are shown in FIG. It will slide in the + x) direction.

Then, the left and right sliding amounts of the bases 22a and 22b with respect to the base portion 23 caused by the lateral sliding amounts of the left and right wheels Tl and Tr are electrically detected by an electric detection device, for example, a potentiometer 30, which is shown in FIG. And is displayed on the display device 50 after arithmetic processing is performed by the control device 40.

[0024]

EFFECTS OF THE INVENTION According to the side-slip tester by the separation detection of the present invention described above, the following effects are obtained. In the conventional integrated inspection device or a roller-type side slip tester used in an independent device, the crank mechanism that connects the left and right rollers is removed, and the alignment of each wheel of the vehicle to be measured is individually detected from the left and right rollers. Therefore, the skid amount, which is the detection value for each of the left and right wheels, can be accurately and stably detected, and therefore, the skid amount of the axle can be measured more stably.

[Brief description of the drawings]

FIG. 1 is a perspective view showing the whole of a composite type vehicle inspection apparatus incorporating a side slip tester by separation detection according to the present invention.

FIG. 2 is a side view of FIG.

FIG. 3 is a plan view of a side-slip tester by the separation detection of FIG.

4A and 4B are operation explanatory views for explaining ascent and descent of a detection roller as the lift of the side slip tester ascends and descends. FIG. 4A is a state in which the lift is descending, and FIG. Is shown.

5 is an enlarged view of one side portion of the side slip tester of FIG.

FIG. 6 is an operation explanatory diagram of a tire showing detection of a side slip amount of both wheels of a measurement axle by a side slip tester.

FIG. 7 is an explanatory diagram of a side slip amount detection mechanism of the side slip tester.

[Explanation of symbols]

 1 Combined Vehicle Inspection Device 11 Side Slip Tester 12 Speedometer Tester 12a Detection Roller 12b Detection Roller 13 Brake Tester 13a Detection Roller 13b Detection Roller 20a Roller 20b Roller 21a Drive Motor 21b Drive Motor 22a Base 22b Pease 23 23 Base 25a Sliding roller 25b Sliding roller 25c Sliding roller 25d Sliding roller 26a Lifting part 26b Lifting part 26c Lifting part 26d Lifting part 27 Sliding member 28a Bearing member 28b Bearing member 30 Potentiometer 40 Control device 50 Display device T tire Tl Left tire Tr right tire

Claims (1)

[Utility model registration claims] 1. A side slip tester for detecting and measuring the amount of sideslip of a vehicle when passing within a specified distance, wherein the specified distance traveled by the vehicle is the outer peripheral edge of a pair of left and right rollers according to a constant ratio. In the type side slip tester, the pair of left and right rollers are arranged perpendicular to the vehicle traveling axis, and each roller is provided with a drive motor for driving the tire of the vehicle of the measurement target vehicle, or of the vehicle of the measurement target vehicle. An external drive device is arranged to rotate the tire on the pair of left and right rollers, and each of the pair of left and right rollers is slidable in a direction perpendicular to the vehicle traveling axis, within a specified distance. The side slip amount, which is the amount of side slip of each of the left and right wheels of the vehicle to be measured that passes through, is separately detected as the sliding, and the side slips that have been separately detected are detected. A roller-type side slip tester by separation detection, characterized in that the control device performs measurement judgment and display by replacing the pop-up amount with an electric signal.