JP2001032563A - Slewing device in multistory parking facility and its lifting-lowering auxiliary equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a lifting-lowering auxiliary equipment annexed for increasing the lifting-lowering allowable weight of a slewing device to the slewing device in a multistory parking facility. SOLUTION: The lifting-lowering auxiliary equipments 14 installed to the slewing device 1 lifting and slewing a pallet P held by a lifted, lowered and circulated cage have upper mounting sections for mounting on the lifting- lowering frame 3 of the slewing device 1, lower mounting sections for mounting on a floor face and coil springs interposed among the upper mounting sections and the lower mounting sections under a deflected state, and are constituted so as to be upwards urged elastically to the lifting-lowering frame 3 by the restoring force of the coil springs.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a turning device in a multi-story parking facility and an elevation device for the same. More specifically, a swivel device for lifting a pallet for mounting a vehicle held by a vertically circulating cage, separating the pallet from the cage, and turning the pallet in a horizontal plane to change the direction of the pallet, and attached to the swivel device It relates to a lifting assistance device.

[0002]

2. Description of the Related Art In a multi-story parking facility capable of vertically moving and circulating a plurality of cages each having a pallet for mounting a vehicle in a detachable manner,
The vehicle to enter the warehouse moves forward on the pallet of one cage that has reached the entrance / exit floor and gets in. And, when this vehicle leaves, it can also move forward and leave
2. Description of the Related Art A multi-story parking facility equipped with a turning device for turning a pallet 180 degrees in a horizontal plane is known. The plurality of cages are attached to an endless chain, and the endless chain is rotated by an electric motor via a sprocket to circulate the entire cage up and down. An example of such a parking facility is disclosed in JP-A-6-307112.

[0003] In this multi-story parking facility, a pit is formed on the ground, a turning device is arranged in the pit, and a plurality of cages provided with pallets are circulated up and down on the pit. . Then, when the vehicle moves forward on the pallet that reached the pit that is the entrance and exit floor,
The swivel frame of the swivel device rises from within the pit below it, pushing the pallet up from below and separating it from the cage. After that, the revolving frame is placed on the horizontal plane with the pallet
After being turned by 80 degrees, it is lowered and the pallet is placed on the cage again. Thus, in order to pivot the pallet, it must be lifted and separated from the cage. Therefore, a plurality of jacks are provided in such a turning device for raising and lowering the pallet before and after the turning. This jack raises and lowers an object by a rotating / straight moving mechanism such as a built-in ball screw.

On the other hand, the weight of recent vehicles tends to increase with each model change in order to improve the power performance, increase the interior space of the vehicle, and improve the strength of the vehicle body. Therefore, the number of vehicles that cannot be parked due to exceeding the permissible weight of the turning device in the existing multi-story parking facility is increasing. In particular, the cause is that the weight of the vehicle exceeds the lifting capacity of the turning device. In order to solve this problem, it is necessary to change the rotation / straight mechanism of the jack, and the electric motor and the transmission mechanism for driving the rotation / straight mechanism. Therefore, the remodeling cost is very high. Further, there is a possibility that a change in dimensions of the entire swivel device may be required as a result of changing to a large-capacity elevator. This will further increase the cost of remodeling.

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned problem, and is intended to be attached to and detached from an existing turning device, and to raise and lower the turning device in a multi-story parking facility capable of applying a pallet lifting force with a simple structure. It is intended to provide an auxiliary device. It is another object of the present invention to provide a turning device for a multi-story parking facility provided with the lifting assist device.

[0006]

SUMMARY OF THE INVENTION A turning device according to the present invention is a turning device in a multi-story parking facility for lifting and turning a pallet for mounting a vehicle held by a vertically circulating cage. A contact member to be contacted, pallet elevating means for elevating the corresponding contact member,
Pallet turning means for turning the contact member, and a lifting / lowering assisting device for elastically urging the contact member upward with a built-in spring member.

Therefore, when the pallet or the like is lifted by the lifting / lowering means, the lifting / lowering auxiliary device can apply an additional lifting force. That is, the auxiliary driving force can be applied when the pallet is raised together with the vehicle above it, that is, when the pallet elevating means is operated with the greatest burden. Further, when the pallet or the like is lowered by the lifting / lowering means, the lifting / lowering auxiliary device can bear a part of the weight of the pallet or the like. As a result, even with a turning device provided with the elevating means having the same capacity as that of the related art, it is possible to increase the accommodation capacity of the vehicle. In addition, it is possible to extend the life of the elevating means.

The lifting assist device according to the present invention comprises an upper mounting portion for mounting on a turning device for abutting a pallet for mounting a vehicle from below and lifting and turning the pallet, and a lower mounting portion for mounting on a floor. , A spring member interposed in a bent state between the upper attachment portion and the lower attachment portion, and the spring member is urged upward by the restoring force of the spring member.

Therefore, the functions and effects described in relation to the present invention can be obtained. A coil spring is most suitable as the spring member in terms of size and shape, strength of driving force and stroke, but is not particularly limited to a coil spring. If necessary, a leaf spring, a torsion spring or the like may be employed.

The upper mounting portion and the lower mounting portion are brought closer to the lifting assist device in opposition to the restoring force of the spring member, and separated from each other in accordance with the restoring force of the spring member. It is preferable to provide a first adjusting member for adjusting the height position of the upper mounting portion by increasing or decreasing the deflection. This is because the height of the upper mounting portion can be easily matched with the height of the mounting target portion of the turning device by adjusting and temporarily fixing the spring deflection by the first adjusting member when mounting the device on the turning device. is there. As a result, attachment to the turning device becomes easy.

In the above-described lifting assist device, the distance between one of the upper mounting portion and the lower mounting portion and the end of the spring member facing the one is increased or decreased, so that the initial deflection of the spring member is increased or decreased. In the apparatus provided with the second adjusting member for adjusting the initial restoring force of the spring member, the ascending force exerted by the elevating and lowering assist device can be changed and adjusted as needed.

[0012]

BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a perspective view of a swivel device according to the present invention.

FIG. 1 is a plan view showing an embodiment of the turning device according to the present invention. FIG. 2 is a front view of the turning device of FIG. 1, in which a left half shows a lowered state, and a right half shows a state of rising and contacting the lower surface of the pallet. FIG. 3 (a)
FIG. 3 is a cross-sectional view taken along the line III-III of FIG. 1 and is a partial cross-sectional view illustrating a lifting and lowering assist device in the turning device, showing a state in which the device is mounted on the turning device and operating;
(B) shows a state in which the height is adjusted when attaching to the turning device. FIG. 4 is a sectional view showing another embodiment of the turning device of the present invention.

A turning device 1 shown in FIGS. 1 and 2 is a pit H formed on the ground at the lower end of a vertical circulation type multi-story parking facility.
It is arranged in. The position of the upper surface of the pit H is the entrance / exit floor of the vehicle, and the entrance / exit E is on the right side of FIG. From the loading / unloading port E, the vehicle M moves from the pallet P
Go up and get on. The pallet P is detachably attached to the cage K. Engagement protrusions (not shown) are formed at two diagonal locations on the lower surface of the pallet P, and engagement recesses (not shown) are formed on the lower surface of the cage K at positions corresponding to the engagement protrusions. ing. The pallet P is attached to the cage K by being placed on the cage K such that its engaging projection fits into the engagement recess, and is separated from the cage K by being slightly lifted upward. Such a configuration is the same as the above-described conventional technology. The left half in FIG. 2 shows a state in which the turning device 1 is retracted downward and separated from the pallet P, and the right half is
This shows a state in which the turning device 1 has risen and has come into contact with the lower surface of the pallet P. The pallet P is separated from the cage K as described above by further raising the turning device 1 from the state shown in the right half of FIG.

As shown in FIGS. 1 and 2, the turning device 1 includes a lifting frame 3 whose four corners are mounted on the bottom of the pit H by jacks 2. Therefore, what is moved up and down by the jack 2 is the elevating frame 3 and each member thereon. A turning frame 4 is mounted on the upper surface of the lifting frame 3. The turning frame 4 has a contact frame 5 that can contact the lower surface of the pallet P from below and an annular turning rail 6 fixed to the lower surface of the contact portion. The revolving rail 6 is rotatably mounted on a plurality of rollers 7 disposed on the upper surface of the elevating frame 3.

The jack 2 is provided therein with a known ball screw type lifting mechanism (not shown). Also,
The ball screw type lifting mechanism is provided with a sprocket 8. The four jacks 2 are driven up and down synchronously by a single driving device 9 attached to the lifting frame 3 via a chain 10 wrapped around the sprocket 8.

On the other hand, as shown in the figure, a chain 12 is wound around the outer periphery of the turning rail 6 of the turning frame 4 so as to be in contact with at least half the circumference thereof.
One point where no problem occurs when turning by 80 degrees is fixed to the turning rail 6. The drive unit 11 attached to the lifting frame 3 causes the turning rail 6 to turn via the chain 12 so that the contact frame 5 is also turned integrally.

Instead of the above structure, sprocket teeth may be formed on the outer periphery of the turning rail 6 of the turning frame 4, and the chain 12 may be engaged with these teeth.

Reference numeral 13 in the drawing denotes the turning device 1 and the pallet P
When the turning device 1 lifts the pallet P, it is fitted into a positioning hole (not shown) on the lower surface of the pallet P to prevent a displacement between the turning device 1 and the pallet P during turning.

The turning device 1 is provided with four lifting and lowering assist devices 14. The lifting assist device 14 has a lower attachment portion 16 on the lower end side detachably attached to the bottom of the pit H, and an upper attachment portion 15 on the upper end side detachably attached near four corners of the lifting frame 3. The compression coil spring 17 interposed between the mounting portions 15 and 16 urges the lifting frame 3 upward with the restoring force.

FIG. 3 shows details of the lifting assist device 14. As shown in FIG. The lower mounting portion 16 is configured such that a gate-shaped lower bracket 19 is mounted on the bottom of the pit H via a liner 20. Also, the upper mounting portion 15
Has an L-shaped upper bracket 18, and a vertical portion 18 a of the upper bracket 18 is bolted to a side surface of the lifting frame 3. Further, a compressed coil spring 17 is disposed between the lower surface of the upper bracket 18 and the upper surface of the lower bracket 19. A cylindrical upper guide cylinder 21 for projecting the outer periphery of the coil spring 17 is protruded from the lower surface of the upper bracket 18, and a cylinder for guiding the inner periphery of the coil spring 17 is formed on the upper surface of the lower bracket 19. A lower guide cylinder 22 is formed in a projecting manner.
In this way, the coil spring 17 acts to push the upper mounting portion 15 upward by the restoring force.

When the lifting assist device 14 is mounted on the existing lifting frame 3, the height position of the bolt holes of the vertical portion 18 a of the upper bracket 18 must match the height of the bolt holes on the side surface of the lifting frame 3. . For this purpose, as shown in FIG. 3 (b), bolts 23 are inserted into through holes 24, 25 of both brackets 18, 19 so as to sandwich upper bracket 18 and lower bracket 19, and then tightened by nut 26. I have. By tightening and loosening the nut 26, the spring deflection of the coil spring 17 is increased or decreased, and the height position of the upper bracket 18 is adjusted. In this way, the lifting assist device 1 can be easily attached to the existing turning device.

After the lifting assist device 14 is mounted on the lifting frame 3, the bolt 23 and the nut 26
The lifting force of the coil spring 17 to remove the frame 3
(FIG. 3A).

According to the lifting / lowering assisting device 14, when the pallet P and the vehicle M are pushed up by the jack 2, an additional pushing force can be applied, and also when the pallet P is lowered, only the conventional jack 2 supports. A part of the weight of the pallet P and the frames 3, 4, 5, etc. Therefore, the life of the jack 2 can be extended.

FIG. 4 shows another embodiment. The lifting assist device 31 is capable of adjusting the restoring force by increasing or decreasing the initial deflection of the coil spring 17. As shown, the lower end of the coil spring 17 is seated on a spring receiving member 33 interposed between the coil spring 17 and the lower bracket 32. A guide cylinder 33 a that guides the outer peripheral side of the coil spring 17 is provided upright on the spring receiving member 33. A through hole 34 is formed in the center of the spring receiving member 33, and a fixing bolt 35 erected on the upper surface of the lower bracket 32 is fitted in the through hole 34. An adjusting nut 36 is screwed to the fixing bolt 35, and the adjusting nut 36 receives a spring receiving member 33 via a thrust bearing 37 disposed thereon. Therefore, by rotating the adjustment nut 36, the spring deflection can be changed, and the restoring force of the coil spring 17 can be adjusted. At the upper end of the fixing bolt 35, the aforementioned bolt 23 (FIG. 3) for adjusting the height position of the upper bracket 38 is provided.
A screw hole 35a for implanting (b)) is formed. Naturally, a through hole 38 a for the bolt 23 is formed in the upper bracket 38. An operation window 32a is opened in the lower bracket 32 for adjustment. The coil spring 1 is provided on the lower surface of the upper bracket 38.
A guide tube (not shown) that guides the inner periphery of 7 may be provided upright.

In the above embodiment, the initial deflection is adjusted by moving the lower end of the coil spring 17 up and down. Instead of this configuration, the upper end of the coil spring 17 is moved up and down with respect to the upper bracket. The initial deflection may be adjusted. For example, first, an upper spring receiving member (not shown) is inserted and disposed below the horizontal portion 18b of the upper bracket 18 with respect to the lifting assistance device 14 shown in FIG. Then, the upper end surface of the coil spring 17 is received by the upper spring receiving member. Further, a screw hole (not shown) is formed in the horizontal portion 18b of the upper bracket 18, and a cylindrical adjustment bolt is screwed therein. The restoring force of the coil spring 17 is received at the lower end of the adjusting bolt via the upper spring receiving member. Then, since the adjustment bolt can be moved up and down relatively to the upper bracket 18 by rotating the adjustment bolt around its own axis, the initial deflection of the coil spring can be adjusted.

[0027]

According to the present invention, when the pallet or the like is lifted by the lifting / lowering means, the lifting / lowering assisting device can apply an additional lifting force. That is, the auxiliary driving force can be applied when the pallet is raised together with the vehicle above it, that is, when the pallet elevating means is operated with the greatest burden. Further, when the pallet or the like is lowered by the lifting / lowering means, the lifting / lowering auxiliary device can bear a part of the weight of the pallet or the like.
As a result, even with a turning device provided with the elevating means having the same capacity as that of the related art, it is possible to increase the accommodation capacity of the vehicle. In addition, it is possible to extend the life of the elevating means.

[Brief description of the drawings]

FIG. 1 is a plan view showing an embodiment of a turning device according to the present invention.

FIG. 2 is a front view of the turning device of FIG. 1, in which a left half shows a lowered state and a right half shows a raised state for turning a pallet.

FIG. 3 (a) is a cross-sectional view taken along the line III-III of FIG. 1 and is a partial cross-sectional view showing a lifting / lowering assisting device in the turning device; FIG. 3B shows a state in which the height is adjusted when attaching to the turning device.

FIG. 4 is a sectional view showing another embodiment of the turning device of the present invention.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 ... Swivel device 2 ... Jack 3 ... Elevating frame 4 ... Swivel frame 5 ... Contact frame 6 ... Swivel rail 7 ... Roller 8 ··· Sprocket 9 ··· Drive unit 10 ··· Chain 11 ··· Drive unit 12 ··· Chain 13 ··· Positioning pin 14 ··· Lifting assist device 15 ··· Upper mounting part 16 Lower mounting part 17 Coil spring 18 Upper bracket 18a Vertical part (of upper bracket) 18b Horizontal part (of upper bracket) 19 ... .... Lower bracket 20 ... Liner 21 ... Upper guide cylinder 22 ... Lower guide cylinder 23 ... Bolt 24, 25 ... Through hole 26 ... Nut 31 ... ..Elevation assistance devices 32 Lower bracket 32a: Operation window 33: Spring receiving member 34: Through hole 35: Fixing bolt 35a: Screw hole 36: Adjustment nut 37: Thrust Bearing 38: Upper bracket E: Access port H: Pit K: Cage M: Vehicle P: Pallet

Claims (4)

[Claims] 1. A turning device in a multi-story parking facility for lifting and turning a pallet for mounting a vehicle held by a vertically circulating cage, comprising: a contact member that contacts the pallet from below; A three-dimensional structure comprising: a pallet elevating means for elevating and lowering, a pallet turning means for turning the abutting member, and an elevating assistance device for urging the abutting member upward by a built-in spring member. Swivel in parking equipment. 2. An upper mounting portion for mounting a pallet for mounting on a vehicle to a turning device for abutting and lifting and turning the pallet from below, a lower mounting portion for mounting on a floor, an upper mounting portion and a lower portion. And a spring member interposed in a bent state between the mounting member and the mounting portion, and a lifting / lowering assisting device for the turning device in the multi-story parking facility, which is urged upward against the turning device by a restoring force of the spring member. 3. An upper mounting part and a lower mounting part,
A first adjusting member for adjusting the height position of the upper mounting portion by increasing or decreasing the deflection of the spring member by approaching the spring member against the restoring force and separating the spring member in accordance with the restoring force of the spring member. 3. The lifting and lowering assist device of the turning device in the multi-story parking facility according to claim 2, comprising: 4. The restoring force is adjusted by increasing or decreasing the initial deflection of the spring member by increasing or decreasing the distance between one of the upper mounting portion and the lower mounting portion and the end of the spring member facing the one. The lifting and lowering assist device of the turning device in the multi-story parking facility according to claim 2, further comprising a second adjusting member.