JP2005188180A - Lowest aboveground height detecting device and parking device - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To easily, inexpensively and surely detect the lowest aboveground height of an automobile. <P>SOLUTION: This parking device has a pallet 10 for placing the automobile, a lowest aboveground height detecting device 21 arranged in an intrusion part 18 continuing with the pallet, and a warning generating part. The lowest aboveground height detecting device has a contact part 22 displaced by abutting on the lowest part of the automobile, and a detector for detecting the displacement of the contact part. The warning generating part issues a warning on the basis of a signal from the detector. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a mechanical parking apparatus such as a three-dimensional parking apparatus that parks an automobile on a pallet.

  As a mechanical parking device, a vehicle is mounted on a pallet, and a horizontal circulation system in which the pallet is moved in a plane and moved to a required parking position, or a pallet on which the vehicle is mounted using a lifting device. There is a vertical circulation type that moves up and down and moves to the required parking position.

  A vertical circulation parking apparatus, which is one of the mechanical parking apparatuses, will be described with reference to FIG.

  An upper sprocket 3 is rotatably provided on an upper frame 2 located at the upper part of the building 1, and a lower sprocket 5 is rotatably provided on a lower frame 4 located at the lower part of the building 1. A main chain 6 is looped endlessly between the sprockets 5.

  A chain guide 7 is provided between the upper frame 2 and the lower frame 4, and the main chain 6 is guided by the chain guide 7 and circulates.

  Below the upper frame 2 is provided a drive device 8 comprising a circulation motor or the like. The drive device 8 is connected to the upper sprocket 3, and the upper sprocket 3 is driven by the drive device 8. The chain 6 is circulated. Attachments 9 are attached to the main chain 6 at predetermined intervals, and a cage 11 is suspended from the attachments 9. In the figure, reference numeral 10 denotes a pallet provided in the cage 11, and a car is placed on the pallet 10.

  When the drive device 8 is driven, the cage 11 is circulated through the main chain 6, and the empty cage 11 is moved to the entrance / exit 12 of the building 1 to enter the cage 11. A waiting vehicle (not shown) enters the cage 11 through the entrance 12 and the warehousing is completed.

  For delivery from the cage 11, the drive device 8 is driven, the cage 11 scheduled to be delivered is moved to the entrance 12, and is delivered from the cage 11.

  As shown in FIG. 5, the pallet 10 has a cross-sectional shape in which the central portion 10b is raised with respect to the traveling surface 10a on which the wheels travel. The central portion 10b and the lowermost portion 15 of the automobile 14, such as an oil pan, a muffler, and a skirt at the front end of the vehicle, are considered so as not to interfere with each other. The height of the height is low, and interference may occur in some cases.

  For this reason, there are some guides about the minimum ground clearance that can be entered by the nameplate etc. at the entrance of the parking lot and the front of the building 1, but the general driver is not sure what the minimum ground clearance of the driving car is Little is known. Therefore, the user may notice that the lowermost portion 15 of the automobile 14 interferes with the pallet 10 in an attempt to enter, and in that case, the automobile or the pallet may be damaged.

  As a device for detecting the minimum ground clearance of an automobile, for example, there is a determination device for whether or not an incoming vehicle is disclosed in Patent Document 1.

  The patent document 1 is provided with a transmissive photoelectric sensor, and when the detection light from the photoelectric sensor is radiated horizontally at a position of the allowable minimum ground height and the lowermost part of the automobile blocks the detection light, it cannot be stored. Judgment is made.

  The above-described warehousing device availability determination device not only detects the minimum ground clearance of an automobile, but also measures the vehicle height, vehicle width, vehicle length, etc., and is complicated. In particular, each determination is made by a transmissive photoelectric sensor. It is expensive because it is done. Also, if there is a minimum ground clearance at the part that overlaps with the wheel, the detection light is blocked by the wheel, the minimum ground clearance cannot be detected, and interference between the pallet and the lowest part of the car is inevitable There was a problem.

Japanese Patent Laid-Open No. 11-7600

  In view of such circumstances, the present invention provides a minimum ground height detection device that can detect the minimum ground height of a vehicle simply, inexpensively, and reliably, and a mechanical parking device including the minimum ground height detection device. is there.

  The present invention relates to a minimum ground height detection device having a contact portion that contacts and displaces a lowermost part of an automobile and a detector that detects the displacement of the contact portion.

  Further, the present invention comprises a pallet for automatic on-vehicle installation, a minimum ground height detection device provided at an entry part following the pallet, and a warning generation unit, wherein the minimum ground height detection device is a lowermost part of an automobile. And a detector that detects the displacement of the contact portion, and the warning generator relates to a parking device that issues a warning based on a signal from the detector.

  Furthermore, the present invention relates to a minimum ground height detection device in which the contact portion is provided so as to be swingable, or the contact portion is provided so as to be movable up and down.

  According to the present invention, since the contact portion that contacts and displaces the lowermost portion of the automobile and the detector that detects the displacement of the contact portion, the lowermost portion interferes with, for example, a raised portion at the center of the pallet. Damage in advance.

  In addition, according to the present invention, there is provided a pallet for automatic on-vehicle installation, a minimum ground height detection device provided at an entrance portion following the pallet, and a warning generation unit, and the minimum ground height detection device is the top of the automobile. A contact portion that contacts and displaces the lower portion; and a detector that detects the displacement of the contact portion, and the warning generating portion issues a warning based on a signal from the detector. Exhibits excellent effects such as preventing in advance from being damaged by interfering with the raised portion at the center of the pallet.

  The best mode for carrying out the present invention will be described below with reference to the drawings.

  In FIGS. 1 and 2, the same components as those shown in FIGS. 5 and 6 are denoted by the same reference numerals. Moreover, in FIG. 1, 17 shows the door for opening and closing the entrance / exit 12 of the building 1 (refer FIG. 6).

  A minimum ground height detection device 21 is provided in the entrance 18 between the empty space 13 in front of the building and the pallet 10 in standby, preferably in the building. The lowest ground height detection device 21 is positioned in the extending direction of the central portion 10b, and when the automobile 14 enters the pallet 10, the center of the automobile 14 passes over the center of the lowest ground height detection device 21. It has become.

  The minimum ground height detection device 21 has a contact piece 22 that protrudes upward and can swing, and the height of the upper end of the contact piece 22 is set slightly higher than the allowable minimum ground height of the automobile 14. ing.

  When the automobile 14 having the lowermost portion 15 lower than the lowest ground level at which parking is possible enters, the lowermost portion 15 comes into contact with the upper end of the contact piece 22 and swings the contact piece 22. As will be described later, the swing of the contact piece 22 is detected by a limit switch, and a warning that the approach is inappropriate is given based on the detection result.

  As a warning method, a warning lamp is provided in front of the approach direction and an inaccessible display is turned on, or a buzzer sounds. Further, a minimum ground height detection device 21 is provided in the front of the building, and a warning may be given when the minimum ground height is lower than a specified level.

  Although the lowest ground height detection device 21 is provided in the approach portion 18, it goes without saying that it can be provided at an appropriate position on the traveling path of the car to be stored.

  A first example of the lowest ground height detection device 21 will be described with reference to FIG.

  A slit-like opening 24 is provided on the upper surface of the casing 23, and a support shaft 25 is provided below the opening 24 so as to span the left and right sides (perpendicular to the paper surface) of the casing 23. A rotating portion 26 is rotatably provided on the support shaft 25, and a lower end portion of the contact piece 22 is held on the rotating portion 26. The contact piece 22 is made of rubber or a synthetic resin having elasticity, and has softness that does not damage the lowermost portion 15 of the automobile and appropriate elasticity.

  A switch actuating portion 27 is provided at the lower end of the rotating portion 26. An actuator 29 of a limit switch 28 abuts on the switch actuating portion 27, and the limit switch 28 is operated in the abutted state. ing.

  A balance spring 31 is stretched on one wall surface of the rotating portion 26 and the casing 23, and a balance spring 32 is stretched on the other wall surface of the rotating portion 26 and the casing 23, and the balance spring 31 and the balance spring are stretched. The contact piece 22 is in a neutral state with a balance of 32 tensions.

  When the lowermost portion 15 comes into contact with the contact piece 22 and the contact piece 22 is inclined, the switch operating portion 27 rotates and the switch operating portion 27 is detached from the actuator 29. The actuator 29 is in a non-operating state. A signal at the time when the actuator 29 becomes inoperative is sent to a control panel (not shown) of the parking apparatus, and the control panel lights the warning light or sounds a buzzer.

  When the lowermost part 15 is disengaged from the contact piece 22, the contact piece 22 becomes neutral by the action of the balance spring 31 and the balance spring 32, and the switch operating portion 27 operates the limit switch 28 to warn. Is stopped.

  Even if the lowermost portion 15 is completely on the contact piece 22, the contact piece 22 is soft and the repulsive force of the balance spring 31 and the balance spring 32 is weakened so that the contact piece 22 is The lower part 15 is not damaged.

  In place of the balance spring 31 and the balance spring 32, a cylinder type damper may be used.

  FIG. 4 shows a second example of the lowest ground height detection device 21.

  The base 33 fixed to the entry portion 18 has a shaft portion 34 that is hollow and protrudes upward, and a hollow contact portion 35 is slidably fitted on the shaft portion 34. The contact portion 35 has a spherical upper portion 35a, and a lower portion 35b is a cylindrical fitting portion that is slidably fitted to the base portion 33.

  A guide portion 36 extends downward along the axial center of the contact portion 35, penetrates the upper surface of the shaft portion 34, and has a lower end with a large diameter to prevent the contact portion 35 from being removed. . In a state where the vertical displacement of the contact portion 35 is restricted at the upper end of the shaft portion 34, the height of the upper end of the upper portion 35 a is set slightly higher than the allowable minimum ground height of the lowermost portion 15. ing.

  A compression spring 37 is provided between the contact portion 35 and the shaft portion 34 to urge the contact portion 35 upward.

  The guide portion 36 moves up and down in the hollow portion 34 a of the shaft portion 34 by the vertical movement of the contact portion 35, and a switch operating piece 38 is provided at the lower end portion of the guide portion 36. A proximity switch 39 is attached to the inner wall surface of the hollow portion 34 a, and the switch operating piece 38 moves relative to the proximity switch 39 by the vertical movement of the contact portion 35.

  When an automobile enters and is lower than the allowable minimum ground clearance of the lowermost portion 15, the lowermost portion 15 comes into contact with the contact portion 35 and pushes down the contact portion 35. When the contact portion 35 is lowered, the switch operating piece 38 comes close to the proximity switch 39 and operates the proximity switch 39. A signal from the proximity switch 39 is sent to a control panel (not shown), and the control panel lights a warning light or sounds a buzzer.

  Note that the minimum ground height detection device 21 is not limited to the above two examples, but a contact part that rotates, moves up and down by contact with the lowermost part 15, a limit switch that detects the displacement of the contact part, proximity A detector such as a switch is provided, and the contact portion may be made of a material that does not damage the lowermost portion 15.

It is a side view which shows the principal part of embodiment of this invention. It is a front view which shows the principal part of embodiment of this invention. It is sectional drawing which shows an example of the lowest ground height detection apparatus used for embodiment of this invention. It is sectional drawing which shows the other example of the lowest ground height detection apparatus used for embodiment of this invention. It is explanatory drawing of a prior art example. It is a perspective view of the vertical circulation parking apparatus which is an example of a mechanical parking apparatus.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Building 10 Pallet 13 Empty space 14 Car 15 Bottom part 18 Approach part 21 Minimum ground height detection device 22 Contact piece 27 Switch action part 28 Limit switch 31 Balance spring 32 Balance spring 33 Base part 35 Contact part 37 Compression spring 38 Switch action piece 39 Proximity switch

Claims (4)

  A minimum ground height detection apparatus, comprising: a contact portion that is displaced in contact with a lowermost portion of an automobile; and a detector that detects a displacement of the contact portion.   The minimum ground clearance detector according to claim 1, wherein the contact portion is provided to be swingable.   The lowest ground height detection device according to claim 1, wherein the contact portion is provided to be movable up and down.   A pallet for automatic on-vehicle installation, a minimum ground height detection device provided at an entry part following the pallet, and a warning generation unit, and the minimum ground height detection device abuts on the lowest part of the automobile and is displaced And a detector for detecting displacement of the contact portion, wherein the warning generator issues a warning based on a signal from the detector.

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