JPH09218137A - Composite type vehicle inspecting device with side slip tester integrated thereto - Google Patents

Abstract

PROBLEM TO BE SOLVED: To simplify the structure and facilitate the inspection and maintenance of a tester by detecting the wheel side slip quantity detected by a detecting roller in conversion to the sliding quantity of a base part, and measuring and detecting also speedometer and braking force. SOLUTION: The lift parts 26a-26d of a side slip tester part 11 are raised on a base bottom part 23 to raise detecting rollers 20a, 20b to the same height as respective detecting rollers of a speedometer part and a brake tester part, and lowers them after a vehicle is entered. After the speedometer and braking force of the vehicle to be detected are measured and detected, the base bottom part 23 is again raised, the rollers 20a, 20b contacting the wheels to be detected are rotated by driving motors 21a, 21b to detect the side slip quantities of the wheels. Base parts 22a, 22b slidable in the direction (+x∼-x) on the base bottom parts 23 by sliding rollers 25a-25d and a sliding member 27 can be freely gathered and isolated by a bell clank part 24 to vary the moving quantities on the base bottom part 23 according to the transverse sliding quantity of the lateral wheels. From the moving quantities, the side slip quantity of the vehicle to be detected can be detected.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a composite type vehicle inspection incorporating a side slip tester for measuring a speedometer, a braking force, and a side slip amount of a vehicle which has undergone vehicle inspection maintenance. It relates to the device.

[0002]

2. Description of the Related Art In Japan, vehicles that run on ordinary roads are obliged to undergo regular inspection at a so-called "vehicle inspection station" under the jurisdiction of the Ministry of Transport for vehicles that have passed a certain period. However, in order to undergo this inspection, a vehicle inspection inspection of the vehicle after the completion of the inspection is performed in advance at a maintenance factory or the like where vehicle inspection maintenance can be performed.

Generally, such a maintenance factory is called a private vehicle inspection maintenance factory, but the area of the site or factory is limited, and therefore effective use of the site is always taken into consideration. As a part of this, a complex type vehicle inspection device has been developed that integrates the vehicle inspection devices such as speedometer tester and brake tester, which have been conventionally separated, into one unit, and the factory on a limited site is rationalized.

Japanese Patent Publication No. 4-2320 by the applicant of the present invention
Japanese Unexamined Patent Publication No. 7 discloses an integrated inspection device for a speedometer tester and a side slip tester as a composite type vehicle inspection device. This integrated inspection device has hitherto been left and right wheels of a vehicle passing over a tread at a specified distance. A device that determines the straightness of the vehicle by detecting the amount of side slip, which is the amount of side slip, rotates the tire on a roller that has the same circumferential length as this tread or a constant distance. In this way, a device for detecting the side slip amount of the vehicle and making a determination is provided, and the device is installed in a gap formed between the detection rollers before and after the speedometer tester.

FIG. 11 is a plan view of a side slip tester portion of this integrated inspection apparatus, and FIG. 12 is a perspective view in which a detection roller showing a mechanism for detecting a side slip amount is partially broken. The side slip amount is detected by the device as shown in FIG. 11 to FIG. 12, the left and right wheels of the measurement vehicle are attached to the outer peripheral surfaces of the detection rollers 54a and 54b of the left and right side slip testers slidably supported by the rectangular shaft 55. After being mounted, it is rotated by the drive motor M connected to one end of the square shaft 55, and the sliding amount of the detection rollers 54a, 54b on the surface of the square shaft 55 at this time is detected to detect the left and right detection rollers 54a, 54b. The bell crank mechanism 24 arranged at the intermediate position of 54b detects the side slip amount, and the measured value is displayed on the display panel H.

[0006]

However, such a conventional integrated inspection apparatus has a complicated structure, is expensive in terms of price, and cannot be easily inspected or maintained. There was a flaw.

Therefore, the composite type vehicle inspection apparatus incorporating the side slip tester of the present invention is rotated and driven by the respective drive motors on the left and right independent base surface when detecting the side slip amount of the axle to be inspected of the vehicle. By mounting a detection roller, the wheel side slip amount detected by the left and right detection rollers is replaced with the sliding amount of the base part that is slidable, and the bell clamps are connected to detect the side slip amount of both left and right wheels. In addition to performing the speedometer measurement and the braking force detection and measurement functions of the brake tester in a combined manner, this is a compound-type vehicle inspection device that incorporates a side-slip tester. The purpose is to facilitate the inspection and maintenance of.

[0008]

In order to achieve the above object, a characteristic of a composite type vehicle inspection apparatus incorporating a side slip tester of the present invention is to measure an error of a speed indicator attached to a vehicle. Composite vehicle inspection device including a speedometer tester unit for the vehicle, a brake tester unit for measuring the braking force of the vehicle, and a side slip tester unit for measuring the amount of sideslip of the vehicle when passing within a specified distance. In the above, the side slip tester unit includes a pair of left and right drive roller units for driving both wheels of an axle of a vehicle to be measured, left and right base units for mounting the left and right drive roller units, and the left and right base units. Side-slip that detects the amount of side-slip of the left and right wheels of the measurement vehicle by connecting the left and right drive roller parts with a connecting member. An apparatus comprising a detection means and a base portion on which a pair of left and right drive roller portions for arranging the side slip amount detection means are placed, and a lift mechanism for moving up and down both wheels of the axle of the measurement vehicle is provided on the bottom portion thereof. It is to be.

Next, as a second feature, the left and right base parts on which the pair of left and right drive roller parts are mounted can be freely slid on a track laid in the longitudinal direction on the base part. It is to have a roller shaft part.

Further, as a third feature, the side slip amount detecting means projects a rotary shaft portion at a central position of a gap between the left and right base portions of the base portion and pivotally supports the rotary shaft portion. Bell crank means for detecting the sliding amount of the left and right base portions, and a conversion portion for processing conversion of the movement amount of the bell crank means into an electric signal are arranged.

Further, as a fourth feature, a lift portion for raising and lowering the base portion is arranged on the base portion.

[0012]

BEST MODE FOR CARRYING OUT THE INVENTION An embodiment of a composite type vehicle inspection apparatus incorporating the side slip tester of the present invention having the above characteristics 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 the side slip tester of the present invention.
2 is a side view of a side slip tester portion of a composite type vehicle inspection device incorporating the side slip tester of FIG. 1, and FIG. 3 is a plan view of the side slip tester portion of FIG.

1 and 2, reference numeral 1 indicates a composite type vehicle inspection apparatus incorporating a side slip tester, reference numeral 11 indicates a side slitter tester, and reference numeral 1
Reference numeral 2 denotes a speedometer tester portion, reference numeral 13 denotes a brake tester portion, reference numerals 12a and 12b denote left and right detection rollers of the speedometer tester portion 12, and reference numeral 13a and 13b denote brake tester portion 13.
2 shows the detection rollers for the braking forces of the left and right wheels. A plurality of recessed grooves are formed on the outer peripheral surfaces of the left and right detection rollers 13a and 13b of the brake tester unit 13. The recessed grooves allow the left and right wheels to contact the normal road surface. It is possible to reproduce the same coefficient as the friction coefficient generated in a part, that is, a general road surface.

Reference numerals 20a and 20b denote detection rollers, which are a pair of left and right driving rollers for driving both wheels of the axle of the measurement vehicle of the side slip tester unit 11, and reference numerals 21a and 21.
Reference numeral 22b denotes a drive motor which is a drive source for the detection rollers 20a and 20b, and reference numerals 22a and 22b denote left and right base portions on which the parts connecting the side slip rollers 20a and 20b and the drive motors 21a and 21b are placed, respectively. Is shown. Further, reference numeral 23 denotes a base portion which is attached to the bottom surface portions of the left and right base portions 22a and 22b, and on which the portions which can be slid by the sliding rollers 25a, 25b, 25c and 25d shown in FIG. 2 are placed. The reference numeral 24 designates the base portions 22a, 2 which can freely slide left and right.
2b shows a bell crank portion connecting the ends of 2b, and the reference numeral 26
Reference characters a, 26b, 26c, and 26d are arranged on the bottom surface of the base portion 23, and indicate lift portions that are lifting means of the base portion 23.

A speedometer tester unit 12 when a vehicle is inspected by a composite type vehicle inspection apparatus incorporating the side slip tester of the present invention having the above-mentioned specific matters,
The operation of the brake tester unit 13 and the side slip tester unit 11 will be described.

The vehicle that has undergone vehicle inspection maintenance advances in the traveling direction (arrow direction) shown in FIG. 1 and enters the table of the composite type vehicle inspection apparatus 1 of the present invention. At that time, it is easy to enter the inspection vehicle. In order to do so, the lift portion 26a of the side slip tester portion 11,
As shown in FIG. 4B, 26b, 26c, and 26d act in the ascending direction to raise the base portion 23, and the driving rollers 20a and 20b of the side slip tester portion 11 are detected by the left and right detection rollers of the speedometer portion 12, respectively. 12a, 12b
And the left and right detection rollers 1 of the brake tester unit 13
Raise to the same height as 3a, 13b.

When the inspection vehicle is completely entered into the composite type vehicle inspection apparatus 1, the lift portions 26a, 26b, 26c, 26 are placed.
d is lowered as shown in FIG. 4 (a), and the inspection is started for the axle to be inspected by the speedometer tester and the brake tester. Generally, the so-called FR vehicle in which the drive shaft of the vehicle is the rear wheel is used. In this case, the axle to be inspected is the rear wheel, but in recent years, there are many so-called FF vehicles in which the drive shaft is the front wheel. In that case, the axle to be inspected is the front wheel.

The case of inspecting the speedometer mounted on the vehicle by the speedometer tester unit 12 will be described. Both wheels of the target axle of the inspection vehicle are lifted portions 26a, 26b, 26c of the side slip tester unit 11 described above. Two
By descending 6d, the inspection is started by being held in the recessed gaps formed by the left and right detection rollers 12a and 12b of the speedometer unit 12 and the left and right detection rollers 13a and 13b of the brake tester unit 13, respectively. The target vehicle axle of the inspection vehicle is driven by self-propelling, the speedometer equipped in the vehicle inspection vehicle is maintained at the legally specified speed, and the inspection vehicle is detected by the difference in the detection values from the detection rollers 12a and 12b. The speedometer is checked.

Next, the measurement of the braking force of the vehicle in the brake tester unit 13 will be described. The braking force inspection of the axle to be inspected in the brake tester unit 13 will be described below.
Both wheels of the target axle are held in the gap formed by the left and right detection rollers 12a and 12b and the detection rollers 13a and 13b of the brake tester unit 13 as in the speedometer unit 12 described above, and inspection is started. The left and right detection rollers 13a and 13b are rotationally driven by a drive motor (not shown). This detection roller 13
When a and 13b are rotated by the drive motor, both wheels of the target axle that come into contact with the detection rollers 13a and 13b rotate in conjunction with the detection rollers 13a and 13b. By depressing, the braking force generated on both wheels is detected by the detection roller 13
The braking force of the vehicle is detected by detecting the torque applied to a and 13b.

In this way, the speedometer is measured and the braking force is detected by the composite type vehicle inspection device 1. Next, the side slip amount is inspected by the side slip tester section 11 of the composite type vehicle inspection device 1. The case will be explained below based on specific items.

The inspection is started on both wheels of the target axle of the inspection vehicle in the side slip tester unit 11, and the above-mentioned lift units 26a, 26b, 26c and 26d are shown in FIG.
As shown in (b), it acts in the ascending direction to raise the base portion 23, and with this rise, the detection rollers 20a, 20b contact both wheels of the target axle, and further raise these wheels to the inspection starting position. At this time, the axles other than the axle to be inspected are fixed by a device such as a hand brake or a vehicle stopper, so that both wheels of the axle to be inspected are placed on the detection rollers 20a and 20b.

FIG. 5 is an enlarged view of a side surface of one side portion of the side slip tester portion. The target axle of the inspection vehicle for which alignment adjustment of camber, casters, toe-in, etc. is completed is placed on the detection roller 20b. Then, the drive motor 21b arranged on the same axis as the detection roller 20b and connected to the detection roller 20b starts rotating to start detecting the side slip amount. As described in the description of the conventional example, the side slip amount can be detected by the side slip amount of the left and right wheels of the vehicle when passing the specified distance, but the circumferential length of the detection rollers 20a, 20b is within the specified distance. The circumference length is proportional.

As shown in FIG. 2 to FIG. 3 or FIG.
The detection rollers 20a and 20b are attached to bearing members 28a and 28b arranged on the left and right base portions 22a and 22b, respectively.
Is rotatably axially fitted, but the left and right detection rollers 20a, 20b are connected to one end of a drive motor 21.
It is rotated by a and 21b.

The left and right base portions 22a, 2
The sliding roller 25 is provided in the gap between the base 2b and the base 2b.
a, 25b, 25c, 25d and the sliding member 27 are arranged, and the left and right base portions 22a, 22b on the base portion 23 are arranged.
Is freely slidable in the (+ x to −x) directions shown in FIG. The sliding member 27 fixed to the base portion 23
On the base 23, the left and right bases 22a, 22b
Serves as a so-called guide mechanism that restricts only the sliding of the base portion 23 only in the longitudinal direction when sliding in the (+ x to −x) direction.

As shown in FIG. 6, one end of each of the left and right base portions 22a and 22b is connected by supporting a fulcrum of a support bearing portion 29 which is erected at an intermediate position between the base portions 23 of both the base portions 22a and 22b. A link mechanism is formed by the bell crank 24, which is a series of abundant refracting links, to freely move around the support bearing portion 29 as a central axis. As shown in FIGS. 6 to 8, the bell clamp 24 of this link mechanism is axially supported by a support bearing portion 29 which is vertically installed on the base portion 23 so as to be vertically slidable. When the left and right base portions 22a, 22b move about the bearing unit 29 as a central axis, the left and right base portions 22a, 22b move apart.
Each movement amount is different. That is, as shown in FIG. 9, the lateral slip amounts of the left and right wheels Tl, Tr of the axle to be inspected are different depending on the alignment adjustment of the left and right wheels Tl, Tr. Therefore, when the skid amount of each of the left and right wheels Tl, Tr is Tr> Tl, the skid amount to the left side increases and the left and right base parts 22a,
22b slides in the + x direction shown in FIG. 5. On the contrary, when the lateral slip amount of each of the left and right wheels Tl and Tr is Tr <Tl, the lateral slip amount to the right increases, and the left and right base portions 22a. , 22b slide in the + x direction shown in FIG.

Then, at one end of the bell clamp,
As shown in FIG. 3 or 6, each of the left and right wheels T
A detection unit 30 that electrically detects the left and right movement amounts of the base portions 22a and 22b with respect to the base portion 23 caused by the sideslip amounts of l and Tr and displays the result on the display portion of another vehicle inspection device is provided. There is.

Reference numeral 24a in FIGS. 6 to 8 indicates a guide rod formed in the horizontal direction of the support bearing portion 29. Reference numeral 29a indicates that this guide rod 24a extends in the vertical direction of the support bearing portion 29. When sliding, the guide rod 24
It shows a guide plate forming a guide groove 29b for guiding a.

FIG. 10 is a side view of the side slip tester portion 11 of another embodiment of the composite type vehicle inspection apparatus incorporating the side slip tester described above.
If the vehicle to be inspected has a large axial load, that is, in the case of a large vehicle, a lift mechanism 2 that can handle the axial load.
Of course, 6e and 26f can also be used, but in the complex type vehicle inspection device, the inspection measurement order of the side slip tester unit 11, the speedometer tester unit 12, and the brake tester unit 13 is re-inspection or re-measurement. Of course, it is possible to respond to changes depending on the circumstances.

[0030]

According to the composite type vehicle inspection device incorporating the side slip tester of the present invention, which has been described above,
When detecting the amount of side slip of the vehicle's axle to be inspected, the detection rollers driven by the respective drive motors are placed on the left and right independent base surface, and the side of the wheel detected by these left and right detection rollers is placed. It has a speedometer measurement function and a braking tester detection function to measure the side slip amount of both left and right wheels by replacing the slip amount with the sliding amount of the slidable base. By incorporating it into the device, it is possible to use the factory space efficiently and to improve the work efficiency, such as saving the labor and time spent for inspection and maintenance of the vehicle.

Further, it is possible to provide a low-priced product by simplifying the structure, and it is possible to easily perform inspection and maintenance.

[Brief description of drawings]

FIG. 1 is a perspective view showing an entire composite type vehicle inspection device incorporating a side slip tester of the present invention.

FIG. 2 is a side view of a side slip tester portion of a composite type vehicle inspection device incorporating the side slip tester of FIG.

FIG. 3 is a plan view of a side slip tester portion of FIG.

FIG. 4 is an operation explanatory diagram for explaining the raising and lowering of the detection roller as the lift of the side slip tester unit rises and lowers.
Shows a state where the lift is descending, and (b) shows a state where the lift is rising.

5 is an explanatory view showing an enlarged side surface of one side portion of the side slip tester portion of FIG. 2. FIG.

FIG. 6 is a plan view of a bell crank portion.

FIG. 7 is a front view of the bell crank portion of FIG.

FIG. 8 is a side view of the bell crank portion of FIG.

FIG. 9 is an operation diagram of both wheels showing detection of a side slip amount of both wheels of a measurement axle by a side slip tester.

FIG. 10 is a side view of a side slip tester portion showing another embodiment of the present invention.

FIG. 11 is a plan view of a side slip tester portion of a conventional integrated inspection device.

12 is a cross-sectional perspective view in which a detection roller is partially broken for explaining a side-slip amount detection mechanism of the side-slip tester unit shown in FIG.

[Explanation of symbols]

1 Composite Vehicle Inspection Device Incorporating Side Slip Tester 11 Side Slip Tester Part 12 Speedometer Tester Part 12a Detection Roller 12b Detection Roller 13 Brake Tester Part 13a Detection Roller 13b Detection Roller 20a Detection Roller 20b Detection Roller 21a Drive Motor 21b Drive Motor 22a Base part 22b Base part 23 Base part 24 Bell crank part 24a Guide rod 25a Sliding roller 25b Sliding roller 25c Sliding roller 25d Sliding roller 26a Lifting part 26b Lifting part 26c Lifting part 26d Lifting part 26e Lifting mechanism 26f Lifting mechanism 27 Sliding member 28a Bearing member 28b Bearing member 29 Support bearing part 29a Guide plate 29b Guide groove 30 Detection part 54a Detection roller 54b Detection roller 55 Square shaft 57 Contact site

Claims (4)

[Claims] 1. A speedometer tester section for measuring an error of a speed indicator attached to a vehicle, a brake tester section for measuring a braking force of the vehicle, and a speedometer tester section for passing within a specified distance. In a composite type vehicle inspection apparatus including a side slip tester unit for measuring the amount of sideslip of a vehicle, the side slip tester unit includes a pair of left and right drive roller units that drive both wheels of an axle of a vehicle to be measured, and each of the left and right sides. The left and right base parts on which the drive roller parts are mounted, and the left and right base parts are slidable in the horizontal direction, and the left and right drive roller parts are connected by a connecting member so that the left and right wheels of the measuring vehicle A side slip amount detecting means for detecting a side slip amount and a pair of left and right drive roller parts provided with the side slip amount detecting means are mounted, and the vehicle of the measuring vehicle is mounted. Characterized by comprising a lift mechanism for lifting the wheels from the base unit to deploy to the bottom, composite inspection apparatus incorporating the side-slip tester. 2. The left and right base portions on which the pair of left and right drive roller portions are mounted are provided with roller shaft portions that are slidable on a track laid in the longitudinal direction on the base portion. A composite type vehicle inspection apparatus incorporating the side slip tester according to claim 1. 3. The side slip amount detecting means has a turning shaft portion projectingly provided at a central position of a gap between the left and right base portions of the base portion, and is pivotally supported by the turning shaft portion to support the left and right base portions. 2. A composite incorporating a side slip tester according to claim 1, further comprising: a bell crank means for detecting a sliding amount of the bell crank and a converter for processing conversion of a moving amount of the bell crank means into an electric signal. Type vehicle inspection device. 4. The composite type vehicle inspection apparatus incorporating the side slip tester according to claim 1, wherein a lift portion for raising and lowering the base portion is arranged on the base portion.