JPS63110367A - Safety apparatus of mechanical parking apparatus - Google Patents

Abstract

(57) [Abstract] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a safety device for a mechanical parking system, particularly a vertical circulation type mechanical parking system.

[Prior art]

Conventionally, when using a circulating three-dimensional parking system, it was common for a car to move forward into the cage to enter the cage, and then move backward to exit the cage. Therefore, in order to prevent the danger of backing up and leaving the parking lot, it is necessary to install a turntable at the entrance of the multilevel parking system to change direction, which poses problems in terms of land use efficiency and economic efficiency. Ta.

For this reason, in recent years it has been proposed to incorporate a turntable into the cage floor, but in order to prevent the turntable from rotating unnecessarily within the cage floor, the cage floor and turntable must be fixed or separated. This has the drawback that it requires a special locking device for locking, making the structure extremely complicated and expensive. In addition, a parking device has been proposed in which a turning device is installed in the pit to lift and rotate the entire floor of the cage, but it is not possible to attach or detach the turning device from the cage floor or from the cage frame to the cage floor. It has been extremely difficult to perform this accurately and reliably without positional deviation with a simple configuration.

The present invention was made in view of the above points, and it is possible to extremely easily align the rotation device with the landing position of the cage.
Another object of the present invention is to provide a mechanical parking device in which the cage floor and the cage frame can be engaged and separated extremely safely.

An embodiment of the present invention will be described below with reference to the drawings.

Fig. 1 is a front view showing an embodiment of the device of the present invention, Fig. 2 is a side view of Fig. 1, Fig. 3 is a perspective view of the cage frame, and Fig. 4 is an arrow indicated by the This is a perspective view, and 10 in the figure is a cage for mounting on a vehicle, in which square cage frames till are located opposite each other, and the upper parts thereof are connected by an upper connecting member 12 that is slightly longer than the overall length of the vehicle. At the same time, both ends of the lower part are connected by a lower connecting member 13.13 having approximately the same length as the entire length of the vehicle, and is configured in an inverted trapezoid shape when viewed from the side. One engagement plate 14 and one engagement plate 15 are fixed diagonally to the inner bottom square of the cage 10. 16 is the side piece 14 of the engagement plate 14, as shown in FIGS. 5(a) and 5(b).
This pin is vertically slidably provided through a platen i/14b fixed to a, and a light shielding plate 16a is provided at the lower end of this pin 16. A spring 14c is provided between the bracket 14b and the light shielding plate 16a, and the upper part of the pin 16 is normally held by the spring force in a state that projects upward from above the engagement plate 14 as shown in FIG. Further, a recess 14d shown in FIG. 3 is provided on the upper surface of the engagement plate 14, and a protrusion (not shown) provided on the back surface of the pallet 5 is fitted into this recess 14d. .

Next, reference numeral 17 denotes a bent movable lock arm in which a bent portion 17a is rotatably provided on the side piece 15a of the engagement @ 15 as shown in FIGS. 6 and 7 around the shaft 18. The movable lock arm 17 has a piece shape so that its upper end can be hooked onto an L-shaped lock holder 18 attached to the back surface of the pallet 5, and the movable lock arm 17 has a piece-like shape so that its upper end can be hooked onto an L-shaped lock holder 18 attached to the back surface of the pallet 5.
A coil spring 19 is attached between the lower side of the movable lock arm 17 and the spring pressure of the coil spring 19 normally maintains the upright state.

20 is bit 2 at the vehicle entry position near the entrance/exit.
The lifting device 30. It is composed of a traversing device 40 and a turning device 50.

First, the lifting device 30 is constructed as shown in FIG. 9 by suspending both ends of the lifting frame 31 shown in FIG. Lifting frame 31 along chain frame 34 with chain wheels 35 shown
It is a device that raises and lowers the pallet 5, and the engagement plate 14.1 of the pallet 5.
At the end of the elevating frame 31 facing 5, there are a stand 61, 61, rollers 62, 62', a slide frame 63, a pressing plate 64, a light projecting device 65, and a light receiving device 6 shown in FIG.
A safety device 60 consisting of a spring 67 and a spring 67 is provided. The stand 61.61 is vertically installed at the end of the lifting frame 31, and the cage frame x1. rollers 62, 62' for positioning in the AB force direction of tt are provided, which rollers 62, 62', as shown in FIG. 1
It is arranged so that it runs on 4e. The slide frame 63 is installed horizontally so as to connect the left and right stands 61, and the spring 6 provided at the end of the elevating frame 31
7, and is guided and supported so that it can be moved up and down along the left and right stands 61. This slide frame 63 includes a pressing plate 64 and a light projecting device 65.
When the elevating frame 31 rises, the press plate 64 presses the lower side of the movable lock arm 17 of the cage frame 11, and at that time the light emitted from the light emitting device 65 is received. The device 66 is arranged so that the light beam entering the device 66 is blocked by the light blocking plate 16a of the cage frame 11.

Next, the traversing device 40 mainly consists of a traversing frame 41 disposed on the lifting frame 31 shown in FIG. 12 and a traversing power cylinder 42 shown in FIG. 4, and a traversing guide as shown in FIG. It is provided on the elevating frame 31 so as to be able to move laterally via rollers 43, lateral shift prevention rollers 44, and lifting prevention rollers 45. Further, as shown in FIG. 14, in the center of the transverse frame 41, there is a photoelectric device PHTI located at a symmetrical position on a straight line passing through the center of the transverse frame 41 and in the moving direction of the cage at the entrance/exit of the cage.

P) (T2 is provided, and on the other hand, a light shielding plate 6.7 is provided on the back surface of the pallet 5 at a symmetrical position on a straight line passing through the center of the pallet and in the direction of movement at the entrance/exit of the cage.
As shown in Figure 5, the center of the pallet 5 and the transverse frame 41
The photoelectric bags ffP HTl, PHT2 are mounted so as to face the light shielding plate 6.7 if their centers (that is, the centers of the rotating frames to be described later) coincide with each other.

Next, the turning device 50 mainly consists of the transverse frame 4 shown in FIG.
It consists of a swing frame 52 and a swing drive device 53, which are rotatably disposed on a swing bearing 51 on the first
As shown in FIGS. 6 and 17, the rotating frame 52 is provided with light shielding plates 53 and 54 at symmetrical positions on the center line, and the transverse frame 41 is provided with a set of photoelectric devices PH at an angle of 90".
T3°PHT4, each time the rotating frame 52 rotates 90° or 180°, the photoelectric device PHT3, PH
T4 and light shielding devices 53 and 54 (7) are arranged to face each other.

Next, the operation of the device of the present invention will be explained.

First, when the cage equipped with the pallet 5 stops at the lowest entrance/exit position, the elevating frame 31 is moved by the elevating power cylinder 33.33 to the photoelectric device [PH
Either of the Tl and PHT2 light beams rises to a position (the position indicated by the dashed-dotted line in FIG. 15) where either of the light beams of Tl and PHT2 is blocked by the four-light beam 6.7 provided on the back surface of the pallet 5. At this time, the photoelectric device PH
If both the TI and PHT2 light beams are blocked by the light shielding plate 6.7, the center of the pallet 5 and the rotating frame 52
If the photoelectric device 1PHTL
Alternatively, only one of the rays with a pH of 72 is detected by the light shielding plate 6.
If the center of the pallet 5 and the center of the rotating frame 52 are obstructed by
1 is moved in a direction in which both the light beams of the photoelectric devices PHTI and PHT2 are blocked by the light shielding plate 6.7, and when the light is blocked, the transverse frame 41 stops and the center of rotation is aligned.

The cage is normally controlled to stop at a position where either the photoelectric bag fiPHT1 or PH72 can face the light shielding plate 6 or 7.

Next, the lifting power cylinder 33.33 raises the lifting frame 31 again, and the roller 62 of the stand 61
, 62' are the side pieces 14 of the engagement plates 14 and 15 of the cage frame 11.
e and 15e to support the cage frame 11 at a predetermined position in the depth direction of the parking device (in the AB force direction in FIG. Raise the frame 31 and
As shown in the photoelectric bag HP HT of the slide frame 63
5 and the light shielding plate 16a of the engagement plate 14 face each other to project light'vt.
In addition to blocking light from the position 65, the slide frame 63
The pressing device 64 contacts the lower end of the movable lock arm 17 of the engagement plate 15, and rotates the movable lock arm 17 clockwise in FIG. 7 against the spring pressure of the coil spring 19, as shown in FIG. Unlock Palette 5. After that, the elevating frame 31 further rises until the upper limit stop switch LSI shown in FIG. 9 is activated, and the revolving frame 52 lifts the pallet 5 and stops it.

At this time, as shown in FIG. 5 (al), the pin 16 of the engagement plate 14 protrudes above the engagement plate 14 due to the spring pressure of the spring 14C, and the opposition between the light shielding plate 16a and the photoelectric device PHT5 is released, and the light projecting device 65 is incident on the light receiving device 66, and it can be confirmed that the pallet 5 is certainly lifted up by the rotating frame 52.

Thereafter, the swing drive device 53 moves the swing frame 52 to 9
When it is desired to rotate by 0'', the light shielding plate 53 of the rotating frame 52 in FIG.
Rotate the rotating frame 52 by 180 degrees until it faces HT 3.
``If you want to rotate, the light shielding plate 5 of the rotating frame 52
The pallet 5 is rotated until the pallet 3 faces the photoelectric device PH74 of the transverse frame 41. When the predetermined rotation is completed, the elevating frame 31 is lowered by the elevating power cylinders 33. The photoelectric device PHT5 of the slide frame 63 and the light shielding plate 16a of the engagement plate 14 face each other and block the light from the light projecting device 65, thereby ensuring that the pallet 5 is placed in the correct position on the cage frame 11. At the same time, as the pressing plate 64 of the slide frame 63 moves away from the lower side of the movable lock arm 17 of the engagement plate 15, the movable lock arm 17 moves counterclockwise in FIG. 11 due to the spring pressure of the coil spring 19. Rotate and lock the pallet 5 as shown in Fig. 7.Then, lift frame 3
1 is lowered and stopped until the lower limit stop limit switch LS2 shown in FIG. 9 is activated.

This pallet movement operation may be performed at any time, such as when the vehicle enters the warehouse or when the vehicle leaves the warehouse, but the user may select this as appropriate.

〔Effect of the invention〕

As described above, according to the present invention, the photoelectric device and the light-shielding plate are used to accurately align the rotation center of the pallet with the rotation center of the rotating device with a simple device configuration, and while confirming the pallet attachment and detachment, the pallet can be reliably attached and detached. Therefore, even if the pallet turns 180'', there is no risk of the pallet slipping against the cage (even if it slips, it will be immediately noticeable, making it possible to obtain an extremely safe mechanical parking device).

[Brief explanation of the drawing]

FIG. 1 is a front view showing an embodiment of the device of the present invention, FIG. 2 is a side view of FIG. 1, FIG. 3 is a perspective view of the cage frame, and FIG. 5 is a view along the line mm in FIG. 3, FIG. 6 is a detailed view of section P in FIG. 1, FIG. The figure is a partial perspective view showing the lifting mechanism of the lifting device 30, and FIG. 9 is a partial detailed view of the first part.
0 is a perspective view of the safety device according to the device of the present invention, FIG. 11 is a state diagram of FIG. 7 when the elevating frame 31 is raised, FIG. A diagram showing the relationship between the elevating frame 31 and the traversing frame 41, FIGS. 14 and 15 are explanatory diagrams of the traversing movement operation, and FIG. 16 is an explanatory diagram of the turning operation. 11. Cage frame 509. Pallet 21, Bit 30, Lifting device 31, Lifting frame 50, Swivel device 14.15. ,, Engagement plate 16, , Pin 1.6a, , Light shielding plate PH
T5. ．． ．． ．． Photoelectric device 65, ..., Light projecting device 66, ..., Light receiving device Patent applicant Fujichik Co., Ltd. Fig. 1 Fig. 3Fg et al. 15 II Fig. 4 s 7 Figure ■ ■ 1146 Figure 9 Figure l Figure 13 mto Figure

Claims (1)

[Claims] The cage frame is provided with a pallet for mounting on a vehicle in a detachable manner,
The pit is provided with a lifting device equipped with a turning device, the lifting frame of the lifting device is raised to lift the pallet via the turning device, and the pallet is rotated by the turning device, wherein the pallet is placed on the pit. The cage frame is provided with an engagement plate, and the engagement plate is provided with a pin having a light shielding plate at the lower end so as to be slidable in the vertical direction, and when the pallet is not present on the engagement plate, the pin is attached to the upper is held in a state protruding upward from the engagement plate, the lifting frame is provided with a photoelectric device consisting of a light projecting device and a light receiving device, and when the pallet is placed on the engagement plate, the light shielding plate A safety device for a mechanical parking device, characterized in that the light from the light projecting device is blocked.