JP2010059707A - Device for correcting vehicle position - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a device for correcting a vehicle position by which the vehicle can be positioned (a width directional position and an inclination in front-back direction) accurately without stopping the vehicle even when a tread and a wheel base of the vehicle vary. <P>SOLUTION: The device for correcting the vehicle position includes a plurality of horizontal conveyor devices 12 which are arranged mutually adjacently, serially and horizontally along a vehicle passage 4 where the vehicle 1 travels straight and passes, and are capable of transporting the wheels (front wheels 2 or rear wheels 3) of the vehicle placed on the upper surface thereof in the width direction, a plurality of position detecting sensors 14 arranged along the vehicle passage to detect the width directional position of the front or rear wheels of the vehicle, and a position controlling device 16 controlling the horizontal conveyor devices based on the position detected by the position detecting sensor and correcting the position of the front and/or rear wheels of the vehicle. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

  The present invention relates to a vehicle position correction device when a vehicle is stored in a mechanical parking device.

When a vehicle is stored in a mechanical parking device such as tower parking or elevator parking, the driver needs to accurately position the vehicle on an empty pallet or the like provided at a storage port of the mechanical parking device.
However, accurately positioning the position of the vehicle, that is, the position in the width direction and the inclination in the front-rear direction with respect to the warehousing port is not always easy for an experienced driver, and often requires reworking.
Thus, for example, Patent Documents 1 and 2 have already been proposed as means for correcting the vehicle to a correct posture in advance.

  As shown in FIG. 5, the vehicle posture correcting device of Patent Document 1 has a guide groove 53 for guiding a vehicle wheel to a portion 52 where a vehicle is introduced from one end in the longitudinal direction on a pallet 51 of a pallet type parking lot. Is provided.

  As shown in FIG. 6, the vehicle posture correcting device of Patent Document 2 is a roller that supports a wheel of a vehicle on a pallet 61 of a pallet type parking lot so that the vehicle wheel can be moved laterally on a portion 62 where the vehicle is introduced from one end in the longitudinal direction. 63 and a pusher 64 for pressing the wheel from both sides to correct the posture of the vehicle.

Japanese Utility Model Laid-Open No. 04-105381, “Vehicle posture correcting device” Japanese Utility Model Laid-Open No. 04-105382, “Vehicle posture correcting device”

  In the means of Patent Document 1 described above, the guide groove 53 is formed in a circular arc shape, and the roller 54 is attached to the guide groove 53 along the circular arc. Can be led automatically to the center. However, this means has a problem that it cannot be applied unless the distance (tread) in the width direction of the wheels is substantially constant.

  Moreover, although the means of the above-mentioned patent document 2 can be applied even when the tread is different, there is a problem that the front wheel and the rear wheel cannot be applied unless the lengths on which the front and rear wheels are respectively placed on the front and rear rollers 63, that is, the wheel base is substantially constant. . Furthermore, in the means of Patent Document 2, it is necessary to stop one end at a position where the front wheel and the rear wheel are respectively placed on the rollers.

  The present invention has been developed to solve the above-described problems. That is, an object of the present invention is to correct the vehicle position that can accurately position the vehicle (width direction position and front-rear direction inclination) without stopping the vehicle even when the tread and the wheel base of the vehicle are different. To provide an apparatus.

According to the present invention, a plurality of horizontal conveyor devices that are provided in series and horizontally adjacent to each other along a roadway through which the vehicle passes straight and that can be transported in the width direction by placing the wheels of the vehicle on the upper surface thereof. When,
A plurality of position detection sensors provided along the roadway for detecting a position in a width direction of a front wheel or a rear wheel of the vehicle;
A vehicle position correction device comprising: a position control device that controls the horizontal conveyor device based on a detection position of the position detection sensor and corrects a position of a front wheel and / or a rear wheel of the vehicle. Is done.

  According to a preferred embodiment of the present invention, the position control device detects the positions of the front and rear wheels of the vehicle, operates the horizontal conveyor device in front of the front wheels in a direction to correct the position of the front wheels, and is behind the front wheels. Then, the horizontal conveyor device in front of the rear wheel is operated in the direction of correcting the position of the rear wheel.

According to a first preferred embodiment of the present invention, each horizontal conveyor device comprises left and right conveyor devices spaced apart along the center line of the roadway,
The position detection sensors are arranged on both the left and right of the same position along the center line so as to detect the inner surface position in the width direction of the wheel.

According to a second preferred embodiment of the present invention, each horizontal conveyor device comprises an integral conveyor device extending in the entire width direction of the roadway,
The said position detection sensor is arrange | positioned at both the right and left of the same position along the width direction edge part of a roadway so that the width direction outer surface position of a wheel may be detected.

  According to the configuration of the present invention, the position in the width direction of the front wheel and the rear wheel of the vehicle can be detected by the plurality of position detection sensors provided along the roadway. Further, the position control device determines whether the wheel (front wheel or rear wheel) is in a symmetric position with respect to the center line of the roadway or deviated from the symmetric position based on the detection position of the position detection sensor. Can do. Further, based on the determination result, the plurality of horizontal conveyor devices are controlled in the direction in which the difference in the detection distance is reduced, and the vehicle wheels are transported in the width direction by placing the vehicle wheels on the upper surface thereof, thereby The position can be corrected.

  Therefore, even when the tread and the wheel base of the vehicle are different, the position of the vehicle (the width direction position and the tilt in the front-rear direction) can be accurately positioned without stopping the vehicle.

  Hereinafter, preferred embodiments of the present invention will be described in detail with reference to the accompanying drawings. In addition, the same code | symbol is attached | subjected to the common part in each figure, and the overlapping description is abbreviate | omitted.

FIG. 1 is a plan view of the vehicle position correcting apparatus according to the first embodiment of the present invention, and FIG. 2 is a cross-sectional view taken along line AA of FIG.
As shown in FIG. 1, the vehicle position correction device 10 of the present invention includes a plurality of horizontal conveyor devices 12, a plurality of position detection sensors 14, and a position control device 16.

  A plurality (11 in this example) of horizontal conveyor devices 12 are provided in series and horizontally adjacent to each other along the road 4 through which the vehicle 1 travels straight, and on the upper surface thereof, wheels (front wheels) of the vehicle 1 are provided. It is a conveyor device that can carry 2 or rear wheels 3) in the width direction.

Each horizontal conveyor device 12 includes independent drive devices (for example, an electric motor and a speed reducer) and is controlled by a position control device 16. There are three types of control: operation stop, rightward conveyance in the figure, and leftward conveyance.
The width of each horizontal conveyor device 12 in the vehicle traveling direction is preferably the same, but may be different. The total length of the plurality of horizontal conveyor devices 12 in the vehicle traveling direction is a length that allows at least one vehicle 1 to be mounted, and is preferably a length that can travel a certain distance (for example, 1 m) or more with the front and rear wheels 2 and 3 mounted. is there.
Furthermore, it is preferable that the transport speed of each horizontal conveyor device 12 can be arbitrarily controlled by the position control device 16, but the upstream side may be set fast and the downstream side slow, or the entire speed may be constant.

As shown in FIG. 2, in this example, each horizontal conveyor device 12 includes left and right conveyor devices 12 a spaced along the center line ZZ of the roadway 1. The left and right conveyor devices 12a are preferably synchronized, but may be independently controlled by the position control device 16.
In this example, the horizontal conveyor device 12, that is, the left and right conveyor devices 12a are belt conveyor devices, but the present invention is not limited to this, and may be a roller conveyor device or other known conveyor devices. Good.

A plurality (11 in this example) of position detection sensors 14 are provided along the roadway 4 and detect the position in the width direction of the front wheel 2 or the rear wheel 3 of the vehicle 1.
The position detection sensor 14 is a laser distance sensor, for example, and can detect the distance to the front wheel 2 or the rear wheel 3 without contact.

As shown in FIG. 2, in this example, the position detection sensor 14 is the same along the center line ZZ of the roadway 1 so as to detect the inner surface position in the width direction of the wheels (front wheel 2, rear wheel 3). It is arranged on both the left and right positions.
In this example, two position detection sensors 14 are provided for each horizontal conveyor device 12, that is, one for each of the left and right conveyor devices 12a. This configuration is not essential, and the position detection sensors 14 may be provided at a pitch different from that of the horizontal conveyor device, or may be arranged at a short pitch at a position where the detection frequency is high.

The position control device 16 receives detection data from each position detection sensor 14, controls the horizontal conveyor device 12 based on the detection position (or detection distance) of the position detection sensor 12, and controls the front wheel 2 and / or rear of the vehicle 1. The position of the wheel 3 is corrected.
That is, the position control device 16 detects the positions of the wheels (front wheels 2 and rear wheels 3) of the vehicle 1 and operates the horizontal conveyor device 12 in front of the front wheels 2 in a direction to correct the position of the front wheels 1. The horizontal conveyor device 12 which is further rearward and forward of the rear wheel 3 is operated in a direction to correct the position of the rear wheel 12.

When the wheel (front wheel 2 or rear wheel 3) is in a symmetric position with respect to the center line ZZ of the roadway 4, the left and right position detection sensors 14 at the same position along the roadway detect the same distance. . In this case, it is not necessary to correct the position of the wheel.
Further, when the wheels (front wheel 2 or rear wheel 3) are out of symmetry with respect to the center line ZZ of the roadway 4, the left and right position detection sensors 14 at the same position along the roadway are different. Detect the distance. In this case, the horizontal conveyor device 12 in front of the wheels is operated in the direction in which the difference in the detection distance becomes smaller.

  Further, the position detection sensor 12 can be adapted to cope with a case where the vehicle 1 is largely inclined with respect to the center line ZZ of the roadway 4 and the front wheel 2 or the rear wheel 3 is not mounted on the same horizontal conveyor device 12. The detection position is preferably stored for a certain period of time.

  The control of the horizontal conveyor device 12 by the position control device 16 is preferably performed in real time according to the progress of the vehicle 1 while the vehicle 1 is passing.

FIG. 3 is a plan view of the vehicle position correcting apparatus according to the second embodiment of the present invention, and FIG. 4 is a cross-sectional view taken along line AA of FIG.
In this example, each horizontal conveyor device 12 is composed of an integral conveyor device extending in the entire width direction of the roadway 4.
Further, the position detection sensors 14 are arranged on both the left and right of the same position along the width direction end of the roadway 4 so as to detect the width direction outer surface position of the wheel (front wheel 2 or rear wheel 3).
Other configurations are the same as those of the first embodiment.

According to the configuration of the present invention described above, the position in the width direction of the front wheel 2 and the rear wheel 3 of the vehicle 1 can be detected by the plurality of position detection sensors 14 provided along the roadway 4.
Furthermore, the position control device 16 determines whether the wheel (front wheel 2 or rear wheel 3) is symmetric with respect to the center line ZZ of the roadway 4 based on the detection position of the position detection sensor 14 or from the symmetric position. It is possible to determine whether it is off.
Based on the determination result, the position control device 16 controls the plurality of horizontal conveyor devices 12 in a direction in which the difference in the detection distance is reduced, and the vehicle wheel is placed on the upper surface and conveyed in the width direction, thereby The positions of the front wheel 2 and the rear wheel 3 can be corrected.

  Therefore, even when the tread and the wheel base of the vehicle are different, the position of the vehicle (the width direction position and the tilt in the front-rear direction) can be accurately positioned without stopping the vehicle.

  In addition, this invention is not limited to embodiment mentioned above. That is, the scope of the present invention is indicated by the description of the scope of claims, and further includes meanings equivalent to the description of the scope of claims and all modifications within the scope.

It is a top view of the vehicle position correction apparatus of 1st Embodiment of this invention. It is sectional drawing in the AA of FIG. It is a top view of the vehicle position correction apparatus of 2nd Embodiment of this invention. It is sectional drawing in the AA of FIG. It is a schematic diagram of the vehicle posture correction apparatus of patent document 1. It is a schematic diagram of the patent document 2 vehicle attitude | position correction apparatus.

Explanation of symbols

1 vehicle, 2 front wheels, 3 rear wheels, 4 roadways,
10 car position correction device,
12 horizontal conveyor device, 12a conveyor device,
14 position detection sensor, 16 position control device

Claims (4)

A plurality of horizontal conveyor devices that are provided in series and horizontally adjacent to each other along a roadway through which the vehicle passes straight, and on which the wheels of the vehicle are placed and can be conveyed in the width direction,
A plurality of position detection sensors provided along the roadway for detecting a position in a width direction of a front wheel or a rear wheel of the vehicle;
A vehicle position correction device comprising: a position control device that controls the horizontal conveyor device based on a detection position of the position detection sensor and corrects the position of a front wheel and / or a rear wheel of the vehicle.   The position control device detects the positions of the front and rear wheels of the vehicle, operates the horizontal conveyor device in front of the front wheels in a direction to correct the position of the front wheels, and moves the horizontal conveyor device in the rear of the front wheels and in front of the rear wheels. The vehicle position correcting device according to claim 1, wherein the vehicle position correcting device operates in a direction to correct the position of the rear wheel. Each horizontal conveyor device consists of left and right conveyor devices spaced along the center line of the roadway,
The vehicle position correction device according to claim 1, wherein the position detection sensors are arranged on both the left and right of the same position along the center line so as to detect the inner surface position in the width direction of the wheel. . Each horizontal conveyor device comprises an integral conveyor device extending across the entire width direction of the roadway,
The said position detection sensor is arrange | positioned in the left-right both of the same position along the width direction edge part of a roadway so that the width direction outer surface position of a wheel may be detected. Car position correction device.

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