JP3957028B2 - Parking pallet position holding device - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
TECHNICAL FIELD The present invention relates to a parking pallet position holding device for placing and holding a parking pallet on which a vehicle is placed or an empty parking pallet at a predetermined position on a parking floor, and in particular, a parking pallet position holding device. The present invention relates to a position holding device for a parking pallet that restricts the amount of movement of a swing roller that holds the position more than necessary that occurs when the parking pallet is put in and out of a predetermined position.
[0002]
[Prior art]
In order to effectively accommodate and park a vehicle such as a passenger car, a number of three-dimensional parking lots 50 as shown in FIG. 5 developed by the present applicant have been conventionally provided.
In such a multistory parking lot 50, the building 51 which comprises the multistory parking lot 50 is made into several floors, and the entrance / exit part 57 of the vehicle 52 which provided the turntable 53 etc. which change the direction of the vehicle 52 in the 1st floor part is provided. In addition, a parking floor 54 that can park a plurality of vehicles 52 from the second floor portion is provided.
[0003]
In addition, as shown in the figure, four columns 55 are provided at the four corners in the center portion of the building 51, and the vehicle 52 is placed on a lifting platform that is lifted and lowered by a lifting device (not shown). The parking pallet P or the empty parking pallet P ′ (hereinafter referred to simply as the parking pallet P when it is not necessary to distinguish whether or not the vehicle 52 is mounted) is mounted. An elevating section 56 capable of elevating the parking pallet P to a desired parking floor 54 is provided.
[0004]
In addition, eight parking spaces are provided on the front, rear, left and right sides of the parking floor 54 through which the elevating section 56 is provided so that the parking pallet P on which the vehicle is placed can be received or received. It has been.
Also, 57 detects the vehicle 52 on the turntable 53, and if there is an empty parking space on the parking floor 54, the elevator is raised to the parking floor 54 with the empty parking space and placed in the empty parking space. After placing the empty pallet P ′ on the lifting platform and lowering it to the first floor, the entrance door 58 is opened and the vehicle 52 is entered on the empty pallet P ′, and the vehicle 52 is moved to the empty pallet. This is a sensor combined control device for parking at a position where P ′ is present.
[0005]
In addition, when the lifting platform that has been lowered to the first floor has just left the loaded vehicle 52 and the empty pallet P ′ is still mounted, the lifting platform described above is used as an empty parking space. The procedure for raising the empty pallet P ′ to the first floor portion is omitted, and the vehicle is placed on the empty pallet P ′ placed on the lifting platform with the entrance door opened as it is. The vehicle 52 entering the parking floor 54 where the vehicle 52 that has left the vehicle is parked can be parked.
[0006]
Next, FIG. 6 is a perspective view showing a transport device for the parking pallet P provided on each parking floor 54 shown in FIG.
As described above, eight parking spaces are provided on the front, rear, left, and right sides of the elevating compartment 56, but the parking pallet P can be freely moved between the parking spaces as indicated by the arrows shown in FIG. It is possible to let you.
[0007]
That is, a support material 60 that bears a heavy load and serves as a strength member is disposed on the upper surface of the parking floor 54 around the elevating compartment 56 provided in the center through the elevating compartment 56 so as to surround the elevating compartment 56. At the same time, a rotatable ball bearing 61 is provided on the top of the support member 60, and a columnar base 62 having a predetermined height is fixed thereto.
[0008]
Accordingly, the pallet P is placed on the ball bearing 61, and as described above, the pallet P slides between the parking spaces provided on the parking floors 54 as indicated by arrows in FIG. The parking pallet P or the empty pallet P ′ on which the vehicle 52 is placed can be moved from the front and rear and the left and right of the elevating section 56 on the elevating platform that is moved up and down to the same plane as each parking floor 54. Can be moved.
[0009]
Further, a guide rail 63 is provided above the support member 60 to regulate and guide the movement of the pallet P that is lower than the height of the base 62 and slides on the ball bearing 61.
That is, the guide roller 66 provided at the lower end of the shaft projecting vertically downward from the bottom surface of the pallet P can be rotated in the guide rail 63 to move the pallet P along the guide rail 63. I am doing so.
[0010]
Further, on the upper surface of the parking floor 54, a conveying motor 64 having a height smaller than the height of the pallet P sliding on the ball bearing 61 is provided, and the roller motor 65 is driven by the conveying motor 64. I try to drive it.
The roller chain 65 enters and exits a hole formed in the bottom surface of the parking pallet P, connects the roller chain 65 driven by the conveying motor and the pallet P, and the parking pallet P is shown in FIG. As shown by the arrows, there are provided latch pins 67 that are moved back and forth, left and right, and transferred to a predetermined position.
Further, 68 is provided on the guide rail 63, and a pallet position holding device as a position holding means for the parking pallet P, which is generally widely used to place and hold the parking pallet P at a predetermined position in each parking space. 68.
[0011]
Next, the pallet position holding device 68 used conventionally will be described with reference to FIG.
The pallet position holding device 68 provided to hold the parking pallet P at a predetermined position on the parking floor 54 is attached to the end of the guide rail 63 for guiding the parking pallet P as shown in FIG. In addition, a disk-shaped guide roller 66, which is mounted vertically below the bottom surface of the parking pallet P and rotates in the guide rail 63, includes two swing rollers 69 and a guide rail 63 from the periphery. The parking pallet P is held at a predetermined position by elastic holding and engaging by elastic holding means including a side wall 70 constituting a part.
[0012]
Further, the swinging shaft 71 that rotatably supports the swinging roller 69 is supported by the spherical bearing 72 so that the lower end portion of the support portion is swingable. When 66 enters and exits the engaging portion of the pallet position holding device 68, the guide roller 66 can enter and exit the engaging portion by tilting the swing shaft 71 and pushing the swing roller 69 outward. .
Furthermore, the guide roller 66 that has entered the engaging portion is held between the two swing rollers 69 and the side wall 70, and the parking pallet P is disposed at a predetermined position and held.
Therefore, when the parking pallet P on which the vehicle 52 is placed is carried into a predetermined position on the parking floor 54 for storing the vehicle, the disk-shaped guide roller 66 on the bottom surface of the pallet P moves along the guide rail 63. Thus, the pallet position holding device 68 is engaged.
[0013]
However, when the guide roller 66 enters and exits the engaging portion, the guide roller 66 pushes open the swing roller 69 and enters between the two swing rollers 69 and the side wall 70 as described above. The pallet position is held by being surrounded by them, but depending on the swing of the parking pallet P or the like, the swinging roller 69 may be excessively tilted at this time, and therefore, the swinging shaft 71 supported by the swinging roller 69. The spherical bearing 125 provided at the lower end may be damaged.
In addition, when the disk-shaped guide roller 66 passes through the pallet position holding device 68 and the parking pallet P is moved, the swing roller 69 may be excessively tilted. There is a risk that straightness may become unstable.
[0014]
[Problems to be solved by the invention]
The present invention has been proposed in order to solve the above-described problems of the conventional pallet position holding device. When the parking pallet guide roller enters and exits the pallet position holding means, the pallet is moved even if the parking pallet shakes. Limiting the excessive tilting of the swinging roller as the elastic holding means provided in the position holding means to prevent damage to the swinging roller support part such as the spherical bearing and the swinging shaft caused by the tilting of the swinging roller, Another object of the present invention is to provide a position holding device for a parking pallet that can ensure straightness when the parking pallet passes through the position holding device by restricting excessive tilting of the swing roller.
[0015]
[Means for Solving the Problems]
For this reason, the parking pallet position holding device of the first invention is
A device for holding a parking pallet on which a vehicle is placed at a predetermined position on a parking floor, comprising a guide roller that is horizontally attached to a lower end of a shaft projecting vertically downward from the bottom surface of the parking pallet and rotates. Surrounding the guide roller by the engaged means, the guide rail for guiding the parking pallet to the predetermined position through the engaged means, and the elastic holding means provided on the guide rail and capable of opening and closing, The pallet position holding means having at least one swing roller for elastically holding the parking pallet at a predetermined closed position of the parking floor for storing the vehicle. A stopper that restricts the outward spread of the excessive swing roller beyond the interval at which the parking pallet roller can go in and out is provided.
[0016]
(A) Therefore, in the parking pallet position holding device having the above-described configuration, the parking pallet is placed along the guide rail particularly when the parking pallet on which the vehicle is placed is carried into a predetermined position on the parking floor for storing the vehicle. Even if the roller on the bottom surface of the roller moves and engages with the position holding engagement portion provided with the pallet position holding means while shaking, the swing roller is opened excessively by the outer stopper. Therefore, it is possible to prevent damage to the support portion of the swing roller.
[0017]
In addition, even when the guide roller of the parking pallet that moves while shaking passes through the position holding engagement portion, the opening of the swing roller is restricted from being excessively increased by the outer stopper, so that the position holding engagement is performed. It is possible to ensure straightness when passing through the section.
[0018]
In the parking pallet position holding device of the second aspect of the present invention, in addition to the first aspect of the invention, the swing roller can swing to the parking pallet holding means at the lower end thereof by the spherical bearing of the support portion. The stopper is supported so as to be able to roll, and the stopper is provided with an arc limiting surface substantially concentric with the swing roller.
[0019]
(B) Thereby, in addition to the operation of the first invention described above, the support structure can be simplified while the opening / closing function of the swing roller is sufficiently ensured by adopting the spherical bearing, and the roller of the parking pallet can be swung. Even when the swing roller is sandwiched between the parking pallet roller and the stopper when pushing the moving roller, the swing roller that can roll along the arc limiting surface of the stopper can easily move, and it can be parked. There will be no obstruction to the movement of the pallet.
[0020]
In the parking pallet position holding device of the third aspect of the present invention, in addition to the first aspect of the invention, the elastic support means has a split pin hole formed in the lateral support shaft protruding from the middle portion of the swing roller. The coil spring is made of an elastically adjustable coil spring having ends attached by washers and split pins.
[0021]
(C) Thereby, in addition to the action of the first invention described above, even if the elastic support means is repeatedly subjected to an impact, it is possible to prevent the coil spring from being loosened or detached, and to adjust the elastic force of the coil spring. Alternatively, the workability of replacing the coil spring whose elasticity has changed due to secular change is improved.
Furthermore, the spherical bearing that can be damaged by excessive tilting of the oscillating roller can be easily restored in a short time.
[0022]
DETAILED DESCRIPTION OF THE INVENTION
Hereinafter, an embodiment of a position holding device for a parking pallet according to the present invention will be described with reference to the drawings.
In the figure, members that are the same as or similar to those shown in FIGS.
1 is a plan view showing a first embodiment of a parking pallet position holding device according to the present invention, FIG. 2 is an elevation view of the parking pallet position holding device, and FIG. 3 is a right side of the parking pallet position holding device. FIG. 4 is a sectional view taken along line AA shown in FIG.
[0023]
In the figure, the parking pallet position holding device 1 according to the present embodiment is directly or along the guide rail 30 from a lifting platform that lifts and lowers the lifting section 56 in each parking floor 54 of the multilevel parking lot 50 shown in FIG. A plurality of disc-shaped guide rollers that are provided to hold the parking pallet P received after the detour at a predetermined position of the parking floor 54 for storing the vehicle and are attached to the parking pallet P so as to be able to roll. 10 and a guide rail 30 that guides the loading and unloading of the parking pallet P by a pulling device that includes a conveyor motor 64, a roller chain 65, a latch pin 67, and the like, and a pallet position holding device 1 for the guide rail 30. The pallet position holding means is configured such that the disc-shaped guide roller 10 of the parking pallet P is releasably engaged with the end of the pallet. And a position retaining engagement portion 20. provided in Rett position holding device 1.
[0024]
The engaged portion of the parking pallet P has the same structure as that shown in FIG. 7 of the prior art, and is attached to the lower end of the shaft projecting vertically downward from the bottom surface of the parking pallet P so that it can roll in a horizontal state. The disc-shaped guide roller 10 is guided between the groove-forming ribs 31 and 31 facing the guide rail 30 so as to move.
[0025]
Further, the position holding engagement portion 20 together with the side wall 21 corresponding to the extension of one groove forming rib 31 of the guide rail 30, the support plate 22 so as to surround the disk-shaped guide roller 10 of the parking pallet P from the opposite side. Two disk-like rocking rollers 25 mounted on the upper ends of two rocking shafts 23 spaced apart from each other so as to be able to roll in a horizontal state, and these rollers 25 mutually and in the direction in which the side wall 21 is installed The elastic force can be adjusted between the lateral support shafts 24 provided at the intermediate portion of the swing shaft 23 and between the lateral support shafts 24 and the vertical support shafts 24A on the support plate 22 so that the swinging shafts 23 can be opened and closed. Coil springs 27 and 27A of elastic support means stretched on the outer periphery of the swinging roller 25 and the swinging roller 25 on the outside of the swinging roller 25 with a space where the disk-shaped guide roller 10 of the parking pallet P can enter and exit is limited. Stopper And a 40.
[0026]
As shown in detail in FIG. 4, the swing shaft 23 is supported on the support plate 22 via a spherical bearing 23B in a spherical portion 23A at the lower end portion thereof, and the swing roller 25 is opened by its swing shaft. Performed by 23 falls.
Therefore, when the parking pallet P is put in and out, the disc-shaped guide roller 10 of the parking pallet P pushes open while swinging the swinging roller 25 that can roll while tilting the swinging shaft 23, and two swings. It is possible to smoothly enter and exit the closed position formed by the roller 25 and the side wall 21.
[0027]
The position holding force of the guide roller 10 that has entered the closed position is adjusted by the tension of the coil springs 27 and 27A that can adjust the elastic force, and changes in spring elasticity due to aging can be easily corrected.
The hook portions 27B at both ends of the coil springs 27 and 27A are attached by the split pin hole of the lateral support shaft 24 in the middle of the swing shaft 23 and the washer 28 and the split pin 29, so that the impact is repeated every time the parking pallet P is put in and out. The coil springs 27 and 27A are prevented from being loosened or detached even when the coil springs are applied, and the replacement work of the coil springs 27 and 27A is facilitated.
[0028]
The stopper 40 that restricts the opening of the swing roller 25 has an arc limiting surface 41 that is substantially concentric with the swing roller 25 and corresponds to a quarter circle at a position corresponding to the height of the swing roller 25. The disc-shaped roller 10 of the parking pallet P can enter and exit between the side wall 21 and the swing roller 25 between the arc limiting surface 41 and the peripheral surface of the swing roller 25, and An interval S for preventing tilting is provided and fixed on the support plate 22.
Therefore, even when the disc-shaped guide roller 10 provided on the parking pallet P pushes and opens the swing roller 25, the swing roller 25 is sandwiched between the disc-shaped roller 10 of the parking pallet P and the stopper arc limiting surface 41. The swing roller 25 can roll and move easily along the stopper arc limiting surface 41, and it is prevented that the movement of the parking pallet P is disturbed.
[0029]
The parking pallet position holding device of the present embodiment has been described above, but the present invention is not limited to such an embodiment. For example, at the position holding end of the guide rail 30, The same stopper 40 can be provided also in the position holding engagement portion configured to hold the position of the parking pallet roller 10 by the moving roller.
[0030]
【The invention's effect】
As described above, according to the parking pallet position holding device of the present invention, the parking pallet on which the vehicle is placed is held at a predetermined position on the parking floor, and protrudes vertically downward from the bottom surface of the parking pallet. An engagement means comprising a guide roller that is attached to the lower end of the shaft in a horizontal state and rotates, a guide rail that guides the parking pallet to enter and exit through the engagement means, and a guide rail. And a parking pallet position holding means having at least one swinging roller which is elastically held by a resilient holding means and surrounds the guide roller of the engaged means and is elastically held at a predetermined closed position. In this case, the parking pallet position holding means restricts the excessive spread of the parking pallet roller outside the swing roller beyond the interval at which the parking pallet roller can go in and out. Since the parking pallet on which the vehicle is placed is carried into a predetermined position on the parking floor for storing the vehicle, the guide roller on the bottom surface of the parking pallet moves along the guide rail because the topper is provided. Therefore, even if it is engaged with the position holding engagement portion while swinging, it is limited that the opening of the swing roller becomes excessively large by the outer stopper, and the support portion of the swing roller is limited. Damage can be prevented.
[0031]
In addition, even when the guide roller of the parking pallet that moves while swinging passes through the position holding engagement portion, the opening of the swing roller is restricted from being excessively increased by the outer stopper, so that the position holding engagement portion It is possible to ensure straightness when passing the parking pallet.
[0032]
Further, according to the parking pallet position holding device of the present invention, the swing roller is swingably supported by the parking pallet holding means at the lower end portion thereof by the spherical bearing of the support portion and can be rolled, and the stopper is Because of the concentric circular arc limiting surface of the swing roller, the use of spherical bearings can simplify the support structure while ensuring sufficient opening and closing functions of the swing roller. Even if the swing roller is sandwiched between the parking pallet roller and the stopper when the swing roller is pushed open, the swing roller that can roll along the arc limiting surface of the stopper can be easily moved and twisted. Obstructing the movement of the parking pallet can be avoided.
[0033]
Furthermore, according to the parking pallet position holding device of the present invention, the elastic force can be adjusted such that both ends are attached to the support shaft protruding from the intermediate portion of the swing roller by the split pin hole, the washer and the split pin. Since the coil spring is provided, it is possible to prevent the coil spring from being loosened or detached even when repeated impacts are applied. Also, when the tension of the coil spring deteriorates due to secular change, etc. Exchange workability is improved.
[Brief description of the drawings]
FIG. 1 is a plan view showing a first embodiment of a parking pallet position holding device according to the present invention;
FIG. 2 is an elevation view of the parking pallet position holding device shown in FIG.
FIG. 3 is a right side view of the parking pallet position holding device shown in FIG.
4 is a cross-sectional view taken along the line AA shown in FIG.
FIG. 5 is a perspective view of a parking lot showing the interior in a perspective view;
FIG. 6 is a perspective view showing the upper surface of the parking floor of the parking lot,
FIG. 7 is a perspective view of a conventional parking pallet position holding device.
[Explanation of symbols]
DESCRIPTION OF SYMBOLS 1 Pallet position holding apparatus 10 Guide roller 20 Position holding engaging part 21 Side wall 22 Support plate 23 Oscillation shaft 23A Spherical part 23B Spherical bearing 24 Lateral support axis 24A Vertical support axis 25 Oscillation roller 27 Coil spring (elastic support means)
27A Coil spring (elastic support means)
27B Hook 28 Washer 29 Split Pin 30 Guide Rail 31 Groove Forming Rib 40 Stopper 41 Arc Limiting Surface P Parking Pallet P ′ Empty Pallet S Interval 50 Multistory Parking 51 Building 52 Vehicle 53 Turntable 54 Parking Floor 55 Supporting Column 57 Elevating Section 57 Entrance / exit portion 58 Entrance door 59 Sensor / control device 60 Support material 61 Ball bearing 62 Base 63 Guide rail 64 Transport motor 65 Roller chain 66 Guide roller 67 Latch pin 68 Pallet position holding device 69 Oscillating roller 70 Side wall 71 Oscillating shaft 72 Spherical bearing

Claims (3)

A device for holding a parking pallet on which a vehicle is placed at a predetermined position on a parking floor, from a rotating guide roller attached in a horizontal state to a lower end of a shaft projecting vertically downward from the bottom surface of the parking pallet. The engaged means, the guide rail for guiding the parking pallet to the predetermined position through the engaged means, and the elastic holding means provided on the guide rail and capable of opening and closing, A parking pallet position holding device comprising a pallet position holding means having at least a pair of rocking rollers that surrounds a guide roller and elastically holds the closed position at the predetermined position. On the outside of the swing roller, the swing spread to the outside of the swing roller more than the interval at which the guide roller provided on the parking pallet can go in and out. Position holding device of the parking pallets, characterized in that it comprises a stopper to limit. The swing roller is supported at the lower end portion of the parking pallet position holding means by a spherical bearing of a support portion so as to be swingable and rollable, and the stopper is substantially concentric with the swing roller. The position holding device according to claim 1, wherein an arc limiting surface is provided. The elastic holding means comprises a coil spring capable of adjusting an elastic force, with an end portion attached to a lateral support shaft protruding from an intermediate portion of the swing roller by a split pin hole, a washer and a split pin. The position holding device according to claim 1.

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