JPH07189517A - Multi-story parking device - Google Patents

Abstract

PURPOSE:To securely prevent a pallet-lifting body from being submerged by lifting all pallet-lifting bodies when inundated in the pit, in a multistory parking device which is a parallelly installation type and provided with a lifting drive used for both right and left sides in common. CONSTITUTION:In a double-stage parking device, parallelly installed pallet-lifting bodies 5, 6 are lifted one by one and when the pit 2 is submerged, one 5 of the pallet-lifting bodies is held at the rised end position by a stopper 33 protrusively locked and used for both right and left sides in common. The lifting drive device is changed over to reversely drive and the hooking tool of pallet of a chain drive mechanism 24 is shifted to the other pallet-lifting body 6 side to raise the body and then the body 6 is positioned to approach the lower side of stopper 33 by an emergent-stop limit switch 59 to make a halt not to rise higher.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an improvement of a multi-stage multi-storey parking system, and more particularly, to a multi-stage multi-storey parking system in which one of adjacent pallet elevators is grounded on the bottom surface of a pit and the other is raised and lowered. This is related to measures against flooding of equipment pits.

[0002]

2. Description of the Related Art As a multi-stage multi-story parking system, a plurality of pallet lifts are installed side by side in a pit, and each pallet lift is lifted and lowered by a dedicated lift drive device to move the pallet lifter up and down. A multi-tiered multi-level parking device in which a vehicle is loaded and unloaded from a pallet is generally well known.

When a typhoon or the like may cause a flood to flood the pits, it is necessary to raise all the pallet lifts so that the pallet lifts are not flooded. . As a multi-tiered multi-level parking device that takes measures against such inundation, a multi-tiered multi-level parking device that detects that water has entered the pit and raises the pallet lifting body based on this detection signal is known. (Actual Kaihei No. 3-123051, official fair 5
-3642).

Also in the above-mentioned parallel type multi-level multi-storey parking system, all the pallet lifting bodies can be lifted and retracted by their own lifting drive units by taking the above-mentioned measures against water infiltration. .

[0005]

However, even though it is a similar type of multi-story multi-story parking apparatus, one elevator drive device for both left and right is installed between adjacent pallet elevators, and one of them is installed. In a multi-tiered multi-level parking apparatus of the type in which the other pallet lift is grounded to the bottom of the pit while the pallet lift is being raised, all pallet lifts cannot be raised and retracted. Even if such a flooding countermeasure is taken, there is a problem that one of the adjacent pallet lifts is flooded.

The present invention has been made in view of the above points, and an object of the present invention is to provide a general multi-stage multi-storey parking apparatus of the above-mentioned side-by-side installation type, which also functions as a left and right driving device. By effectively utilizing the stoppers for pallet drop prevention that are often used in multi-level multi-level parking systems, it is possible to raise all pallet lifts and floods occur due to typhoons and the like, causing flooding in the pits. In this case, it is necessary to ensure that the pallet lifting body is not flooded.

[0007]

In order to achieve the above object, the present invention provides at least two pallet elevating bodies which are arranged in parallel in a pit so as to be able to ascend and descend, and which have pallets for vehicle mounting in upper and lower stages. Balancing means for guiding each pallet lifting body up and down while maintaining the horizontal state of each pallet and a pallet lifting body provided between adjacent pallet lifting bodies in the pit, and pallet hooks at two positions before and after each pallet lifting body. And a lifting drive means provided with a chain drive mechanism for engaging and lowering the tool from below to lift and lower each pallet lifting body, and the pallet lifting body on one side is grounded by the forward / reverse switching drive of the lifting drive means. In this state, the pallet elevator on the other side is moved up and down, and the following means for solving the problems are aimed at the multi-stage multi-story parking apparatus in which the pallets of the pallet elevator are moved in and out of the vehicle.

That is, the first solution means of the present invention is a lift stopping means for detecting that each of the pallet lifting bodies has been lifted to the lifting end position and for stopping the subsequent lifting of the pallet lifting bodies, And a descent stop means for detecting that each of the pallet elevating bodies has descended to the descending end position and for stopping further descent of the pallet elevating bodies. further,
A stopper is provided for holding each of the pallet lifting bodies at the rising end position in a protruding state so as not to drop. Further, when the pit is flooded, lock holding means is provided for switching the operating state from the normal operation to the emergency operation after one of the pallet elevating bodies is raised to the ascending end position to lock and hold the protruding state of the stopper. In addition, the operation switching means for switching the drive of the lifting drive means in the opposite direction and moving the pallet latching tool for holding the pallet lifting body in the raised state to the other pallet lifting body side to raise the pallet lifting body. It is characterized by being provided.

A second solving means of the present invention is the same as the first solving means, wherein one stopper is provided at least one before and after the adjacent pallet elevating bodies, and the stoppers of the pallet elevating bodies on both sides in a protruding state are provided. It is a dual-purpose type that projects to the lower area. Further, an emergency stop means is provided on one side of the adjacent pallet elevators for detecting that the pallet elevators to be lifted are approaching below the stopper and for stopping the pallet elevator from further lift. Is characterized by.

[0010]

With the above structure, in the first solution means of the present invention, one of the adjacent pallet lifts is engaged with the pallet hook of the chain drive mechanism by the drive of the lift drive device. When the pallet elevating body is lifted to the ascending end position, this is detected by the ascending stopping means, and the pallet elevating body thereafter stops further elevating. In this state, the stopper protrudes to prepare for the fall of the pallet lifting body. On the other hand, the other pallet lift is grounded on the bottom of the pit.

From this state, when the pallet elevating body grounded on the bottom surface of the pit is to be raised, the operation switching means switches the drive of the elevating drive device in the opposite direction to lower the pallet hook. At this time, the stopper is retracted so as not to interfere with the pallet lifting body. Then, when the pallet elevating body descends to the descending end position, this is detected by the descent stop means, and the pallet elevating body thereafter stops descending. On the other hand, the pallet hook is turned upside down on the lower side of the chain drive mechanism to move to the adjacent (other) pallet lift, and this pallet lift is engaged with the pallet hook and lifted. , And stops at the ascending end position by the detection of the ascending stop means. By reversing the pallet hook, the pallet hook is separated from the one pallet elevator and the one pallet elevator is grounded to the pit bottom surface.

When there is a risk that the pit will be flooded by a flood such as a typhoon, the lock holding means switches the operating state from the normal operation to the emergency operation, and when one of the pallet lifting bodies is at the rising end position, it is left as it is. The protruding state of the stopper is held in a locked state. On the other hand, when the bottom of the pit is in contact with the ground, the pallet elevating body is raised to the ascending end position, and then the stopper is kept in the protruding state.

From this state, the driving of the lifting drive device is switched in the reverse direction by the operation switching means to lower the pallet hook. As a result, the lifted pallet lifting body is held by the stopper that is locked and held in the protruding state and held at the lifted end position.

On the other hand, the pallet hook is further lowered, inverted under the chain drive mechanism, and moved to the adjacent pallet lifting body side. As a result, the adjacent pallet elevating body is engaged with the pallet hooking tool and ascends, and stops at the ascending end position when detected by the ascending stop means.

As a result, the adjacent pallet elevating bodies are both held at the ascending end position and are not submerged in water in the pit when water is flooded.

According to the second solution of the present invention, when there is a risk of flooding, the pallet elevating body at the ascending end position locks the left and right combined type stopper provided between the pallet elevating body adjacent to the pallet elevating body. It is held at the rising end position due to the protruding state by holding. On the other hand, the adjacent pallet elevating body is engaged with the pallet hook which is the inverted chain drive mechanism and ascends, and when it approaches the stopper, this is detected by the emergency stop means, and the pallet elevating body is subsequently raised. Instead, the ascended state is maintained slightly below the ascended end position.

As a result, one pallet elevating body is held at the ascending end position and the other pallet elevating body is kept near the ascending end position so that the pallet is not submerged in water when flooded.

[0018]

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

1 to 4 show a multi-stage (two-stage) type multi-level parking apparatus A according to an embodiment of the present invention. The two-stage multi-storey parking system A is installed in a flat rectangular pit 2 that is recessed in a floor 1 that is a vehicle entry surface, and a safety fence 3 stands around the pit 2 except for the entrance / exit entrance side. On the other hand, a security chain 4 is stretched horizontally on the entrance / exit opening side so that it can be removed when entering or exiting.

In the pit 2, two pallet lifts 5 and 6 are arranged side by side so as to be lifted up and down, and each pallet lift 5 and 6 includes an upper pallet P1 for mounting on a vehicle and a lower pallet P2. Front, rear, left and right four pallet support frames 7, 7, ...
The upper and lower pallets P1 and P2 are integrally connected to each other so as to be vertically moved. Both upper and lower pallets P1,
On the back surface of the lower pallet P2 of P2, two pallet receiving beams 8, 8 extending in the width direction are attached at a predetermined interval in the front and rear, and two guide sprockets 9, 8 are provided at both ends of each pallet receiving beam 8. 9 are attached one by one.

On the other hand, as shown in FIG. 5 (the upper pallet P1 is omitted), four auxiliary pillars 10, 10, ... Are erected one by one at the left and right ends of the pit 2, and each auxiliary pillar is provided. 1
0 A balance chain 11 as a balancing means at the upper end
Of the guide sprocket 9 out of the pits 2 out of the guide sprocket 9 and the width of the lower pallet P2 along the pallet receiving beam 8 is fixed. The guide sprocket 9 extends in the direction, is hung from the upper side on a guide sprocket 9 near the inside of the pit 2, and then fixed to the bottom surface of the pit 2. When the vehicle C is loaded and unloaded from the upper and lower pallets P1 and P2, the pallet elevators 5 and 6 are moved to the upper and lower pallets P1 and P2 by the two front and rear balance chains 11 and 11, respectively. It is designed to be raised and lowered while being held horizontally.

Two main columns 12, 12 are erected between the adjacent pallet elevating members 5, 6 in the pit 2 at a predetermined distance in the front and rear direction. At the upper side inside the main pillar 12 on the front side, a geared motor 1 with a brake is provided.
3 is installed and arranged on a mounting base 14, and a drive sprocket 16 is attached to an output shaft 15 having two rows of tooth portions of the gear motor 13 with a brake. On the other hand, a shaft 17 is bridged to the upper ends of the both main columns 12, 12, two driven sprockets 18, 18 are arranged side by side in front of the shaft 17, and the driven sprockets 18 and the drive sprockets 16 are respectively arranged. Is wound around drive chains 19 and 19 made up of two endless chains.

As shown in enlarged detail in FIG. 6, each of the main columns 1 is
Reference numeral 2 denotes a pair of columns 20 and 2 made of steel having a substantially C-shaped cross section with the opening sides of the columns 20 and 20 facing each other.
Both ends of the shaft 17 are fitted and inserted in the space between 0, and two upper sprockets 21 and 21 are arranged in parallel at the fitted and inserted portions. Two lower sprockets 22, 22 are also installed side by side at the lower end of the space between the columns 20, 20.
This pair of upper and lower sprockets 21, 22
Two endless chains 23, 23 are wound around. The upper sprocket 21, the lower sprocket 22, and the endless chain 23 constitute a chain drive mechanism 24. The chain drive mechanism 24 is provided on each of the front and rear main columns 12, 12. In addition, before and after this chain drive mechanism 24, 24,
Geared motor with brake 13, drive sprocket 1
6, the driven sprocket 18, the drive chain 19, the shaft 17, and the like constitute an elevating drive device 25 as an elevating drive means for elevating the pallet elevating bodies 5 and 6.

As shown in the enlarged view of FIG. 7, one pallet hook 26 is bridged between the endless chains 23, 23 of each chain drive mechanism 24 so as to stand between the endless chains 23, 23. Tangled, meanwhile,
Lower pallet P2 of each pallet lift 5 and 6
Hooks 27 and 27 that engage with the pallet lifting bodies 5 and 6 are attached to two positions on the front and rear of the lifting drive device 25.

The above-mentioned brake-equipped geared motor 1
The rotational torque of 3 is applied to the drive and driven sprockets 1
6 and 18 to the shaft 17, and further to the front and rear chain drive mechanisms 24 and 24 to synchronously drive the chain drive mechanisms 24, thereby reversing the pallet hooks 26 to the lower sprocket 22. The pallet elevating bodies 5 and 6 are moved to the side of the pallet elevating bodies 5 and 6 to be raised, and the hooks 27 of the pallet elevating bodies 5 and 6 are engaged from below to raise and lower the pallet elevating bodies 5 and 6. Has been done.

That is, the two-stage multi-level parking apparatus A of this embodiment
When the pallet elevators 5 and 6 are loaded and unloaded, the lower pallet P2 is grounded on the bottom surface of the pit 2 and the upper pallet P1 is placed on the floor by the forward / reverse switching drive of the lifting / lowering drive device 25. The pallet hooks 26 are engaged with the hooks 27 to lower the pallet lifters 5 and 6 so that they are positioned at almost the same height level as 1, while the lower pallet P2 is moved when the lower pallet P2 is loaded or unloaded. The pallet hooks 26 are engaged with the hooks 27 so that the upper pallet P1 is positioned above the floor surface 1 while being positioned at almost the same height level as the floor surface 1, and the pallet lifting bodies 5 and 6 are raised. I am trying to let you.

As described above, in the two-stage multi-storey parking system A of the present embodiment, one of the chain drive mechanisms 24, 24 is driven in the forward or reverse direction by the forward / reverse switching switching drive of the elevating / lowering drive device 25. The pallet elevators 5 and 6 on the other side are separated from the pallet hooks 26 and grounded, and the pallet elevators 5 and 6 on the other side are raised and lowered, and the vehicle C is loaded and unloaded to and from the pallet elevators 5 and 6. I am trying to do it.

As shown in FIG. 8 and FIG. 9, the upper and lower pallets P1, P2 (on the front and rear pallets 8 and 8 of the lower pallet P2 of each of the pallet elevators 5 and 6; Fall prevention devices 38, 38 are installed to prevent the pallet lifting bodies 5, 6) from falling.

Each of the fall prevention devices 38 is provided with a first lever 40 rotatably attached to a rotary shaft 9a of a guide sprocket 9 on one end side (main column 12 side) in the pallet width direction via a bracket 39, and a pallet. The other end in the width direction (auxiliary pillar 1
A second lever 41 as a stopper rotatably attached to the rotary shaft 9a of the guide sprocket 9 on the (0 side). The first and second levers 40, 41 include front and rear pallet beams 8, One is attached to each side so that the eight sides are on the same side. Further, one end (upper end) side of each of the first and second levers 40 and 41 is rotatably connected to both ends of a rod-shaped connecting member 42 that extends horizontally in the pallet width direction by rotating shafts 43 and 43, respectively. The first and second levers 40 and 41 are synchronously rotated by the horizontal movement of the connecting member 42.

One end of a coil spring 44 is attached to the second lever 41 side of the pallet receiving beam 8 and the other end of the coil spring 44 is attached to a side surface of the pallet receiving beam 8 so that The lower end side is constantly urged inward by the spring force of the coil spring 44 so that the lower end of the second lever 41 does not protrude outward, and the connecting member 42 is moved to the second lever 41 side to make the first The lever 40 is projected outward.

A first regulating pin 45 is provided on the inner side of the rotary shaft 43 of the pallet beam 8 on the side of the first lever 40, and a bracket is attached to the first regulating pin 45 as shown by the solid line in FIG. The 39-side end is brought into contact with the lower end of the first lever 40 to regulate the range of rotation, and the lower end of the first lever 40 is held in an outwardly protruding state. Further, a second regulating pin 46 is also provided on the inner side of the rotation shaft 43 on the second lever 41 side of the pallet receiving beam 8, and as shown by the phantom line in FIG. The upper end side of the second lever 41 is brought into contact with the lower end of the second lever 41 to limit the rotation range of the lower end of the second lever 41, and the outer end of the lower end of the second lever 41 is projected.

On the other hand, inverted L-shaped first contact members 47, 47 are installed at the pallet rising end positions on both sides of the two front and rear main pillars 12, 12 on the side of the first lever 40. As shown in FIG. 4, the first contact member 47 contacts the lower end of the first lever 40 by contacting the first lever 40 from below by the upward movement of the pallet lifting bodies 5, 6 (lower pallet P2). While rotating inward (clockwise) against the spring force of the coil spring 44, the connecting member 42 is horizontally moved to the first lever 40 side to move the second lever 41 outward (clockwise). Direction).

A second contact member 48 made of a plate material is installed at the pallet rising end positions of the two front and rear auxiliary columns 10, 10 on the side of the second lever 41, as shown by the phantom line in FIG. In addition, the second contact member 48 corresponds to the lower end of the second lever 41 protruding by the contact with the first contact member 47 at the lower end of the first lever 40 and slightly approaches the lower end thereof. Is installed as. And the two second before and after this
When the balance chains 11 are cut while the lower end of the lever 41 is projected, the auxiliary columns 10 side of the pallet lifting bodies 5 and 6 are not held by the balance chains 11 and are about to fall. The lower end of the 2 lever 41 contacts each second contact member 48 to prevent the second contact member 48 from falling. The main pillar 12 side of each of the pallet lifting bodies 5 and 6 is held at the pallet rising end position by the engagement of the hook 27 and the pallet hook 26 provided on the chain drive mechanism 24. Therefore, even if the balance chain 11 is broken, the upper and lower pallets P1, P2
The pallet lifting bodies 5 and 6 are held horizontally at the pallet rising end position without dropping.

Above the first lever 40 of the bracket 39, one end (lower end) of the third lever 49 is attached to the first lever 4.
And the third lever 49 which is integrally provided so as to be rotatable together with 0.
Is the first contact member 4 when the lower end of the first lever 40 projects.
It is vertical so as not to interfere with 7. That is, the third lever 49 is attached to the common bracket 39 together with the first lever 40 in the shape of “F”, and the third lever 49 is attached to the bracket 39 on the one end side (main pillar 12 side) in the pallet width direction and above the first lever 40. It is connected to one end. This third lever 4
9 functions when the pallet elevating bodies 5 and 6 descend, and the other end (upper end) of the third lever 49 is moved downward by the pallet elevating bodies 5 and 6 (upper and lower pallets P1 and P2). While contacting the first contact member 47 from above and rotating inward (counterclockwise), the lower end of the first lever 40 is rotated outward (counterclockwise), and
The lower end of the lever 41 is rotated inward (counterclockwise) by horizontal movement of the connecting member 42 toward the second lever 41. As a result, as shown by the solid line in FIG. 8, the end on the side of the bracket 39 contacts the first regulating pin 45 to keep the third lever 49 in the vertical state and the lower end of the first lever 40 in the protruding state. The lower end of the second lever 41 is retracted from above the second contact member 48, and the pallet lifting bodies 5, 6 (upper and lower pallets P1, P2) can be lowered into the pit 2.

Solenoid type stoppers 33, 33 are installed one by one at the pallet rising end positions of the two front and rear main columns 12, 12 on the outer side of the first lever 40 so that the stoppers 33, 33 can move forward and backward with respect to each other. Has been done. As shown in enlarged detail in FIGS. 10 and 11, each stopper 33 is provided with a cylindrical stopper body 51, and a piston 52 is attached to the stopper body 51 so that the piston 52 can move forward and backward. A U-shaped claw 53 having receiving pieces 53a, 53a at both ends is connected to the. Then, as shown by phantom lines in FIGS. 10 and 11, the stoppers 33 are
Is normally demagnetized and causes the piston 52 to protrude so that the pawl 53
Between the pillars 20 of the main pillar 12, and in this protruding state, the hooks 2 at the front and rear two locations on one side of the lower pallet P2.
7, 27 are held from below by one receiving piece 53a of the claw 53, and the endless chain 2 of each chain drive mechanism 24 is held.
Front and rear stoppers 3 to prevent the pallet lifters 5 and 6 (lower pallet P2) from falling when 3 and 23 are cut
It is held at 3,33. On the other hand, when the pallet elevators 5 and 6 are moved up and down, as shown by the solid lines in FIGS. 10 and 11, the stoppers 33 are excited to retract the pawls 53, and the pawls 53 are hooked by the hooks 27. Try not to interfere with. In FIG. 10, reference numeral 54 is a guide member for guiding the pawls 53 so as not to laterally swing when the pallet lifting bodies 5 and 6 descend.

As shown in FIG. 3, on both sides of the main pillar 12 on the rear side, two ascending stop limit switches 34, 34 as ascending stop means and two descending stop limit switches 35, as descending stop means are provided. 35 is installed one by one, and one emergency stop limit switch 59 as an emergency stop means is installed on one side of the rear main pillar 12 (on the side of the pallet elevator 6 on the right side). The ascending / descending limit switches 34 detect that each of the pallet elevators 5, 6 has been raised to the ascending end position, and this detection stops the subsequent ascent of each of the pallet elevators 5, 6. Thus, the pallet lifting bodies 5 and 6 are held at the rising end positions. Then, in this state, the lower pallet P2 has almost the same height as the floor surface 1. The respective descent stop limit switches 35 detect that each of the pallet elevators 5 and 6 has descended to the descending end position, and this detection stops the subsequent descent of each of the pallet elevators 5 and 6. The pallet lifting bodies 5 and 6 are held at the lower end positions.
Then, in this state, the upper pallet P1 has almost the same height as the floor surface 1. Emergency stop limit switch 5 above
Numeral 9 detects that the ascending right pallet elevating body 6 approaches below the stopper 33, and stops further elevating of the pallet elevating body 6 by this detection.

An operation panel 31 is installed at the upper end of a column 32 standing upright on the floor 1 on the side of the entrance / exit port. As shown in FIG. 12, the operation panel 31 has an emergency key switch 60 as a lock holding means and an ON / O switch for power supply in order from the bottom.
An FF switch 61, a selector switch 62 as operation switching means, a down button 63, and an up button 64 are provided. And the emergency key switch 60 is
When the pit 2 is flooded by a flood caused by a typhoon or the like, after the left pallet elevating body 5 is raised to the ascending end position, the operation state is switched from the normal operation to the emergency operation and the protruding state of the stopper 33 is locked. It is for holding. Further, the selector switch 62 switches the driving of the elevating / lowering drive device 25 in the opposite direction, so that the pallet hook 26 for holding the pallet elevating bodies 5 and 6 in the ascending state is moved to the other pallet elevating body 5 and 6 side. This is for moving and raising the pallet lifting bodies 5, 6.

In FIGS. 2 to 4, 36 is the pit 2.
It is a deck provided on both the left and right sides and in the middle. In addition, car stops 37 are provided on both inner sides of the upper and lower pallets P1 and P2 so as to prevent the vehicle C, which has been stored in the back, from moving by engaging the rear wheels and stopping.

Next, a description will be given of how the two-stage multi-story parking apparatus A having the above-described structure is loaded and unloaded.

As a premise, as shown in FIG. 2, it is assumed that the left pallet elevating body 5 is supported by the front and rear pallet hooks 26, 26 and is in an ascending state, and the right pallet elevating body 6 is in a descending state. . In this state, both the lower pallet P2 of the left pallet elevating body 5 and the upper pallet P1 of the right pallet elevating body 5 are at substantially the same height level as the floor surface 1 and can be loaded and unloaded.

In this state, when loading and unloading the upper pallet P1 of the left pallet elevating / lowering body 5,
By operating the operation panel 31 to drive the lifting drive device 25, the two endless chains 23, 23 of the chain drive mechanisms 24, 24 are synchronously driven in the counterclockwise direction, and the left pallet lifting body 5 is moved. The front and rear pallet hooks 26, 26 that are supported are lowered. With this,
The pallet lifting / lowering body 5 on the left side is lowered, and the lowering stop limit switch 35 detects this, and the lifting / lowering drive device 25 is stopped based on this detection signal. In this state, the upper pallet P1 of the left pallet elevating / lowering body 5 is positioned at substantially the same height level as the floor surface 1 so that it can be loaded and unloaded, and the lower pallet P2 is grounded and placed on the bottom surface of the pit 2.

From this state, this time, when loading and unloading the lower pallet P2 of the pallet elevator 6 on the right side in the lowered state, the operation panel 31 is operated to move the elevator drive device 25.
By driving the chain drive mechanism 24, 24
Each of the two endless chains 23, 23 of FIG.
The pallet hooks 26 supporting the pallets are separated from the hooks 27, inverted through the lower sprocket 22, and moved to the right pallet elevator 6 side. Then, the pallet hooks 26 are engaged with the hooks 27 of the right pallet lift 6 from below to support the pallet lifts 6, and the pallet hooks 26 are raised in this state. Along with this, the pallet lifting / lowering body 6 on the right side is lifted, and this is stopped by the lift stop limit switch 34, and the lift driving device 25 is stopped based on this detection signal. In this state, the upper pallet P1 of the right pallet lift 6 is located above the floor surface 1, and the lower pallet P2 is located at substantially the same height level as the floor surface 1 so that the pallet P2 can be loaded and unloaded.

At this time, in the above embodiment, the claws 53, 53 of the two stoppers 33, 33 installed on the front and rear two main columns 12, 12 between the adjacent pallet elevating bodies 5, 6 are raised. While holding one side of each pallet lifting body 5, 6 from below, another two stoppers (second one) installed on the front and rear two auxiliary columns 10, 10 on the outer side of each pallet lifting body 5, 6 The two levers 41, 41) hold one side of the pallet lifting bodies 5, 6 which are in the raised state, from the lower side.

Therefore, the pallet lifting bodies 5, 6 on both sides are
When any of the above is in a raised state, the balance chain 11 on the side of each pallet lifting body 5, 6 in the raised state
Even if the endless chain 23 of the chain drive mechanism 24 is broken, the four corners of the pallet elevating bodies 5, 6 are received by the stoppers 33, 33 and the second levers 41, 41 so that the pallet elevating bodies 5, 6 do not fall. Can be held horizontally.

Next, a description will be given of countermeasures in the case where there is a risk of flooding due to a typhoon or the like and water in the pit 2 being inundated.

As a premise, as shown in FIG. 13, the left and right pallet lifting bodies 5 and 6 are both lowered into the pit 2, and at this time, each switch of the operation panel 31 is in the state shown in FIG. I shall. As shown in the flowchart of FIG. 16, as a start, first, the raising button 64 is pushed in step S1, and the left pallet lifting body 5 is held by the pallet hooking tool 26 of the chain drive mechanism 24 and raised in step S2. In step S3, it is determined whether or not the left-side lift stop limit switch 34 is turned on. If it is YES, it is considered that the pallet lifting / lowering body 5 has been lifted to the rising end position, and the process proceeds to step S4. Stop the lifting of the lifting body 5 thereafter (state of FIG. 14)
On the other hand, in the case of NO which is OFF, the process returns to step S1. When the pallet elevating / lowering body 5 is in the raised state, the front and rear stoppers 33, 33 are in a projected state in case of a fall.

Then, in step S5, the emergency stop key switch 60 is turned on, and in step S6 the stopper 3 is pressed.
The protruding states of 3, 33 are held locked, and the selector switch 62 is switched to the right side in step S7.

Then, in step S8, the up button 6 is pressed.
4, the pallet hook 26 is lowered to reverse the lower sprocket 22 in step S9, and is engaged with the hook 27 of the right pallet lift 6 to lift the pallet lift 6
After supporting the pallet, the pallet lifting / lowering body 6 is raised in step S10.

Thereafter, in step S11, it is determined whether or not the emergency stop limit switch 59 is turned on. If the answer is yes, the pallet lifting / lowering body 6 is placed near the lower end of the ascending end position of the stoppers 33, 33. It is assumed that the pallet lifting body 6
After that, the rise is stopped (state of FIG. 15) to end the flow, while in the case of NO which is OFF, the process returns to step S10.

As a result, one pallet lift 5 can be held at the rising end position, and the other pallet lift 6 can be held near the rising end position.
6 can be protected so as not to be soaked in the water submerged in the pit 2.

In the above embodiment, the stopper 33 between the pallet lifting bodies 5 and 6 is also used for the left and right sides.
As shown in FIG. 3, one stopper 33 may be provided on each of the pallet lifting bodies 5 and 6 to be dedicated.

To explain the measures against water in this case,
As in the above case, as a premise, as shown in FIG. 17, the left and right pallet lifting bodies 5 and 6 are both lowered into the pit 2, and at this time, each switch of the operation panel 31 is set to the state shown in FIG.
It is assumed that it is in the state of. As shown in the flowchart of FIG. 20, as a start, first, step S1
And presses the lift button 64, and at step S2, the left pallet lifting body 5 is moved to the pallet hook 2 of the chain drive mechanism 24.
Hold at 6 and raise. In step S3, it is determined whether or not the left-side lift stop limit switch 34 has been turned ON, and O
If YES in N, it is considered that the pallet lifting / lowering body 5 has been lifted to the lifting end position, and the process proceeds to step S4 to stop the pallet lifting / lowering body 5 from further lifting (FIG. 18).
On the other hand, in the case of NO which is OFF, step S
Return to 1. When the pallet elevating body 5 is in the raised state, the left and right front stoppers 33, 33 are in a protruding state in case of a fall.

Then, in step S5, the emergency key switch 60 is turned on, and in step S6, the stopper 33,
The protruding state of 33 is held locked, and the selector switch 62 is switched to the right side in step S7.

Then, in step S8, the up button 6 is pressed.
4, the pallet hook 26 is lowered to reverse the lower sprocket 22 in step S9, and is engaged with the hook 27 of the right pallet lift 6 to lift the pallet lift 6
After supporting the pallet, the pallet lifting / lowering body 6 is raised in step S10.

Then, in step S11, it is determined whether or not the right-side up / down limit switch 34 is turned on, and the on-state is turned on.
If YES, it is considered that the pallet lifting / lowering body 6 has been lifted to the lifting end position, and the process proceeds to step S12 to stop further lifting of the pallet lifting / lowering body 6 (state of FIG. 19), and the flow ends. On the other hand, if NO, which is OFF, the process returns to step S10.

As a result, the left and right pallet lifting bodies 5, 6 are
Can be held together at the rising end position, and both pallet lifting bodies 5, 6 can be protected so as not to be submerged in the water submerged in the pit 2.

In the above embodiment, the pallet elevating bodies 5 and 6 are the upper and lower two-stage multi-level parking apparatus A, but as shown in FIG. 21, the upper pallet P1 and the lower pallet P2 are combined. The present invention can be applied even to the case of a three-stage multi-level parking apparatus A having three upper and lower tiers with a middle pallet P3 provided therebetween. In this case, the upper pallet P1 is placed on the floor surface 1 with the pallet lifters 5 and 6 in the grounded state.
The middle pallet P3 and the lower pallet P2 are positioned in the pit 2 at the same height level as. Note that, in FIG. 21, the same components as those of the two-stage multi-level parking device A are designated by the same reference numerals, and detailed description thereof will be omitted.

Further, in the above embodiment, the case where two pallet lifting bodies 5 and 6 are arranged side by side is shown. However, three or more pallet lifting bodies may be arranged side by side. The lifting drive device 25 may be installed between the bodies 5 and 6 as described above.

[0059]

As described above, according to the present invention of claim 1, when the pit is flooded by a flood such as a typhoon, the lock holding means switches the operating state from the normal operation to the emergency operation. Locks the stopper in the protruding state and holds the lifted pallet lift body in the stopper to hold it at the lifted end position, while moving the pallet latch away from the pallet lifter to the adjacent pallet lifter side. Then, the pallet lifting / lowering body is lifted, and the pallet lifting / lowering body is stopped at the lifting end position by the detection of the lifting stop means. Therefore, the adjacent pallet lifting bodies can be held at the rising end position so as not to be immersed in the water in the pit.

According to the second aspect of the present invention, the pallet elevating body located at the ascending end position is held at the ascending end position by the protruding state by the lock holding of the left and right combined type stopper, while the adjacent pallet elevating body is urgently operated. The stopping means raises the position slightly below the rising end position and holds it there. Therefore, it is possible to hold one pallet elevating body at the rising end position and the other pallet elevating body near the rising end position so as not to be immersed in water in the pit.

[Brief description of drawings]

FIG. 1 is a perspective view illustrating chaining of a two-stage multi-level parking device.

FIG. 2 is a front view of a two-stage multi-level parking device.

FIG. 3 is a side view of a two-stage multi-level parking device.

FIG. 4 is a plan view of a two-stage type multi-level parking device.

FIG. 5 is an enlarged front view showing a chain hooking portion of a balance chain.

6 is a sectional view taken along line VI-VI in FIG.

7 is a sectional view taken along line VII-VII of FIG.

FIG. 8 is a front view showing a fall prevention device provided on the left pallet lifting body.

FIG. 9 is a plan view showing a fall prevention device provided on the left pallet lifting body.

FIG. 10 is a side view showing a stopper installation portion with a part thereof cut away.

11 is a sectional view taken along line XI-XI of FIG.

FIG. 12 is a configuration diagram of a driver's panel.

FIG. 13 is a schematic view showing a state in which both the left and right pallet elevating bodies are lowered in a measure against water infiltration when a stopper for both left and right types is used.

FIG. 14 is a schematic view showing a state in which the left pallet elevating body is lifted in a measure against water infiltration when using a stopper for both left and right types.

FIG. 15 is a schematic diagram showing a state in which both the left and right pallet lifting bodies are lifted in the case of using a stopper for both the left and right types to prevent water from entering.

FIG. 16 is a flow chart showing measures against water infiltration when a stopper for both left and right types is used.

FIG. 17 is a schematic view showing a state in which the left and right pallet lifting bodies are both lowered in the case of using the stoppers for the left and right only types to prevent water from entering.

FIG. 18 is a schematic view showing a state in which the left pallet lifting body is lifted in the case of using the left and right exclusive type stoppers to prevent water from entering.

FIG. 19 is a schematic view showing a state in which the left and right pallet lifting bodies are both lifted in the case of using a stopper for exclusive use of the left and right sides to prevent flooding.

FIG. 20 is a flow chart of countermeasures against water infiltration when left and right exclusive type stoppers are used.

FIG. 21 is a front view of the three-stage multi-dimensional parking device.

[Explanation of symbols]

 2 Pit 5 Pallet Elevating Body 6 Pallet Elevating Body 11 Balance Chain (Balance Means) 24 Chain Drive Mechanism 25 Elevating Drive Device (Elevating Drive Means) 26 Pallet Stopper 33 Stopper 34 Lift Stop Limit Switch (Lift Stop Means) 35 Descent Stop Limit switch (lowering stop means) 41 Second lever (stopper) 59 Emergency stop limit switch (emergency stop means) 60 Emergency key switch (lock holding means) 62 Selector switch (operation switching means) A Two-stage (three-stage) three-dimensional type Parking equipment C Vehicle P1 Upper pallet P2 Lower pallet

Claims (2)

[Claims] 1. At least two pallet elevating bodies which are vertically arranged in a pit so as to be vertically movable and have a plurality of vehicle-mounted pallets vertically arranged, and the pallet elevating bodies are elevated and lowered in a state in which the pallets are kept horizontal. Balancing means for guiding and pallet elevating bodies adjacent to each other in the pit are provided, and pallet hooks are engaged from below at two positions on the front and rear sides of the pallet elevating bodies to raise and lower the pallet elevating bodies. Elevating and lowering driving means provided with a chain drive mechanism, and by the forward / reverse rotation switching drive of the lifting and lowering driving means, the pallet elevating and lowering body on the other side is raised and lowered while the pallet elevating and lowering body on one side is grounded, A multi-tiered multi-level parking device for loading and unloading a vehicle to and from each pallet of a lifting body, which detects that each of the pallet lifting bodies has risen to a rising end position, Ascending stop means for stopping the ascending / descending operation, descending stop means for detecting that each of the pallet elevating bodies has descended to the descending end position, and stopping further descending of the pallet elevating bodies, and each of the pallet elevating and lowering means. A stopper that keeps the body in the raised end position so that it does not fall, and when one of the pallet lifting bodies rises to the raised end position when the pit is flooded, the operating state is switched from normal operation to emergency operation. The lock holding means for locking and holding the protruding state of the stopper and the drive of the elevating and lowering driving means are switched in the opposite direction, and the pallet hook for holding the pallet elevating body in the ascending state is moved to the other pallet elevating body side. And a driving switching means for raising the pallet elevating body. 2. A stopper is provided at least one before and after a space between adjacent pallet lifts, and the stopper is of a dual-purpose type that projects in a lower region of the pallet lifts on both sides in a projecting state. An emergency stop means is provided on one side of the adjacent pallet elevating body to detect that the ascending pallet elevating body approaches below the stopper and stop the pallet elevating body from further rising. Claim 1 characterized by the above.
The described multi-level multi-storey parking device.