JP3419843B2 - Vehicle attitude control device - Google Patents

Description

Description: BACKGROUND OF THE INVENTION 1. Field of the Invention
The present invention relates to a vehicle attitude control device that enables measurement and inspection of various characteristics corresponding to various vehicle attitudes. 2. Description of the Related Art As a conventional measuring device of this type, there is a tilt angle measuring device for a vehicle having a structure shown in FIG. 3, and the device is used to tilt a vehicle in a lateral direction perpendicular to a vehicle axis. In this case, it was possible to measure the inclination angle at the start of the fall. The configuration of the tilt angle measuring device includes a tiltable base plate 20 on which the vehicle is mounted, a wheel stopper 23 provided on a side edge of the base plate tilting axis side for preventing a lateral displacement of the vehicle on the base plate, A hinge 21 provided with a tilt axis of the base plate, and the base plate 2
0 tilting cylinder 22 and tilt angle indicator 25
And a safety device 26 for fixing a vehicle frame to the base plate.
And an electric hydraulic unit (not shown) for operating the cylinder, and a control system for controlling the electric hydraulic unit. [0003] When using the tilt angle measuring device,
The vehicle is inserted into the edge of the wheel stopper 23 of the base plate 20 so that the wheel is brought into close contact therewith, the center of gravity of the vehicle body is aligned with the longitudinal center of the base plate, the vehicle is stopped, the axle is fixed with a chain, and the base plate 20 is Fix the vehicle frame to After performing the above processing, the base plate 20 is tilted so that the base plate
The inclination angle of the vehicle is read by reading the inclination angle of 0 with the inclination angle indicator 25. [0004] However, in the aspect of a vehicle traveling on a sloped road, the case where the vehicle travels right beside the sloped road as described above is a specific case, and is actually required. This is a measurement or a check analysis for various phenomena accompanying the operation of the vehicle in the case of the most general oblique traveling on the inclined road surface. That is, (1) Measurement of the overturn angle when the vehicle climbs a slope on an inclined road surface (such as a bank) diagonally. (2) Measurement of the angle of inclination of the occurrence of water, oil leakage, etc. when the vehicle climbs a slope on a sloped road surface (bank, etc.) diagonally. (3) Simulation of the driving position when the vehicle climbs a slope on a sloped road (bank) diagonally. (4) Measurement of the maximum slope angle. (5) Measuring the degree of change in the weight distribution on the wheels due to the oblique climbing angle of the slope. (6) Check the three-dimensional gyro mounted on the vehicle. (7) Measurement of the maximum stoppable inclination angle (angle of a slope etc.) when using the parking brake. Is required at least, and a means capable of performing simple and reliable measurement or the like is required. SUMMARY OF THE INVENTION The present invention has been made in view of the above circumstances, and enables measurement or checking of various aspects of a vehicle when traveling on an inclined road surface, in addition to measurement of a vehicle overturning angle seen in a conventional inclination angle measuring device. It is an object of the present invention to provide a vehicle attitude control device. [0005] In order to achieve the above technical object, the present invention provides a tiltable hinge via a hinge (21).
Plate (20) provided on the base and oil for tilting the plate (20)
Pressure cylinder (22) and tilt angle indicator (25).
And is provided rotatably at the center of the base plate (20);
Turntable (1) with rolling rollers (6) on the lower surface
And bevel gears (3, 4) and geared motor (5)
A rotating mechanism (2) for the turntable (1)
It consists of wheel stoppers (7, 10) with variable
Of the vehicle placed in the center on the turntable (1)
The load cell (8) at the bottom of each wheel is provided, it is tilted the base plate After placing and fixing the vehicle to form a specific inclined surface to said turn Te <br/> Buru center. The present invention proposes a vehicle attitude control device in which a table on which the vehicle is mounted is rotated on the base plate to change the attitude of the vehicle with respect to the inclined surface, and various measurements, checks, and the like can be performed on the aspect. It is. According to the above technical means, a vehicle is mounted and fixed on a turntable provided on a base plate having an inclined surface, the table is rotated, and the axis of the vehicle on the table is adjusted to the axis. If it is positioned so as to be parallel to the tilt axis of the base plate, it is possible to measure the tilt angle (fall angle) at the start of vehicle falling as a conventional tilt angle measuring device. In a state where the vehicle on which the parking brake is applied and stopped is placed in the center on the turntable provided on the tilted base plate, if the vehicle is appropriately rotated, the mode of the vehicle traveling obliquely on an inclined road surface is obtained. This makes it possible to detect the angle at which the vehicle starts to tip over in such a state, the angle at which water or oil leaks, etc., and to simulate the driving position when traveling diagonally. Also,
By using an appropriate load cell, it is possible to measure the change in the weight distribution applied to the wheels with respect to the angle of the ascending slope on the inclined road surface. Also, a three-dimensional gyro mounted on a vehicle can be checked. In addition, the maximum stoppable inclination angle when the parking brake is used can be measured. In addition, once the vehicle is once mounted on the turntable, the various measurements, checks, and the like described above can be continuously performed only by rotating the table without taking the vehicle in and out. Preferred embodiments of the present invention will now be described in detail with reference to the accompanying drawings. However, the dimensions, materials, shapes, relative arrangements, and the like of the components described in this embodiment are not intended to limit the scope of the present invention unless otherwise specified, and are merely illustrative examples. Only. FIG. 1 is a side view showing the configuration of the vehicle attitude control device of the present invention, and FIG. 2 is a plan view of FIG. As shown in FIG. 1, a vehicle attitude control apparatus according to the present invention comprises a base plate 20 provided to be tiltable via a hinge 21 provided in a pit, a hydraulic cylinder 22 for tilting the base plate 20, and a tilt A tilt angle measuring device 30 comprising an angle indicator 25, a hydraulic unit (not shown) and a control system of the unit, and a rolling roller 6 provided rotatably at the center of the base plate 20 of the device and provided on the lower surface. Turntable 1 with
, A rotating mechanism 2 of the table 1 composed of bevel gears 3 and 4 and a geared motor 5, and wheel stoppers 7 and 10 having variable set positions. The wheel stopper 7 corresponds to the center A of the turntable 1 corresponding to the width of the wheel to be mounted.
So that it can be set appropriately to a position 1/2 the wheel width,
The wheel stopper 10 is set to be distributed from the center A corresponding to the wheel base of the front and rear wheels, and the safety devices 9, 9 are provided at the outer edge of the turntable opposite to the center A at the set position of the wheel stopper 7. It is. In addition, you may make it provide the safety devices 11 and 11 also in the front-back direction of a vehicle. At the center of the lower surface of the bevel gear 3, a rotation angle detector 10 using, for example, an encoder or the like for detecting the rotation angle of the turntable is provided. In addition, when measuring the change in the weight distribution applied to the wheels due to the diagonal climbing angle on the combined slope with the load cell, the required capacity having, for example, a magnetic set device below each wheel of the vehicle mounted in the center on the turntable (300Kgf-5000Kg
f, a load cell 8 of 700 kgf to 100000 kgf) is provided as appropriate. Or, it is desirable to fix it depending on the weight of the vehicle or the inclination direction at the time of the test. [0009] With the above configuration, when used, the center A of the turntable 1 is 1 / one of the wheel width of the vehicle to be measured.
The vehicle is caused to enter the turntable 1 on which the wheel stoppers 7 are set in advance at the position 2, and the vehicle is stopped at the center of the turntable so that the outer sides of the front and rear wheels of the vehicle are in close contact with the side walls of the wheel stoppers 7. Then, apply the parking brake, and fix the turntable 1 to the safety device 9. Next, the turntable 1 is rotated until the wheel stopper 7 is parallel to the tilt axis Y of the base plate 20 and then stopped, and the reading of the rotation detector 10 is set to zero ( (Origin). Then, if you tilt the base plate 20,
The measured value of the inclination angle at the start time of the vehicle falling can be read from the inclination angle indicator 25. Then, the turntable 1 is rotated by an appropriate angle to cause the vehicle to assume a diagonal running posture, the vehicle overturning angle at this turning angle is detected, and the turning angle is read from a turning angle detector to detect the overturning. If the angle is read by the inclination angle indicator, the inclination angle of the inclined road surface that causes the vehicle to fall with respect to the angle of the oblique traveling of the vehicle traveling obliquely on the inclined road surface can be measured. In the case of the above measurement, water and oil leaks can be measured instead of falling down the vehicle. [0013] By measuring the inclination angles of the inclined road surface corresponding to the start of the fall and the start of the water and oil leaks with respect to the respective oblique traveling angles, it is possible to determine whether the vehicle is traveling uphill at various angles at various angles. A simulation test for the driving position can be performed. In addition, the maximum climbing angle of the slope and the oblique traveling angle at that time can be measured. Further, as shown in FIG. 2, by mounting the load cell 8 on a turntable on which each wheel abuts, it is possible to measure the degree of change in the distribution of weight applied to each wheel due to the slope angle of the slope. In addition, it is preferable to use a type having an optional detachable magnetic detachable device with a manual handle as an accessory device, or to fix the load cell as described above in some cases. The function check of the three-dimensional gyro for detecting the sway of the vehicle mounted on the vehicle can be performed by the three-dimensional sway of the tiltable base plate and the turntable rotatably provided on the base plate. If the direction of the vehicle mounted on the turntable 1 is turned so as to be perpendicular to the tilt axis Y of the base plate 20,
The maximum stopping angle when using the parking brake can be measured. As described above, according to the present invention, the operation of the vehicle in the case of the most general oblique traveling with respect to the traveling on the inclined road, which is actually required when the vehicle travels on the inclined road. Measurement or check analysis for various phenomena accompanying the Also, a series of these many and diverse tests can be efficiently performed without having to put the vehicle in and out.

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a side view showing a configuration of a vehicle attitude control device of the present invention. FIG. 2 is a plan view of FIG. FIG. 3 is a side view showing a configuration of a conventional inclination angle measuring device. [Description of Signs] 1 Turntable 2 Rotating mechanism 3, 4 Bevel gear 5 Geared motor 7 Wheel stopper 8 Load cell 9 Safety device 20 Base plate 30 Tilt angle measuring device

──────────────────────────────────────────────────続 き Continued on the front page (58) Fields surveyed (Int. Cl. ⁷ , DB name) G01M 17/007 B60S 9/14 G01C 9/00 G12B 5/00

Claims (1)

(57) [Claims 1] Provided to be tiltable via a hinge (21).
Base plate (20) and hydraulic syringe for tilting the base plate (20)
And a tilt angle indicator (25).
Provided rotatably at the center of the plate (20) and rolling on the lower surface
Turntable (1) with rollers (6) and bevel gear
(3, 4) and a geared motor (5)
Rotation mechanism (2) for setting table (1) and set position variable
Wheel stop (7, 10), and the turn
The lower part of each wheel of the vehicle placed in the center on the table (1)
Vehicle attitude control system, characterized in that the load cell (8) is provided, allowing control of the orientation for the inclined slope of the vehicle to be placed by rotation of the turntable.