JP2003049555A - Mechanical parking apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a mechanical parking apparatus which not only moves a pallet between an elevating body in an elevating passage and a parking shelf but also rotates the pallet on the elevating body without provision of a complicated structure such as a lifter for the elevating body. SOLUTION: According to the mechanical parking apparatus, a first engaging portion 44 is movable on an elevating main body 10 in a lateral direction, upon driving of an arm mechanism 40, and a second engaging portion 45 is rotatable with respect to the elevating main body 10 upon the driving of the arm mechanism 40. In a first mode, the load of a table stand 50 is applied to the elevating main body 10, and the pallet 92 exerts the load to the elevating main body 10. In a second mode, the load of the table stand 50 is not applied to the elevating main body 10, and the pallet 92 exerts the load to a rotary table 60. In the first mode, the first engaging portion 44 is engageable with a first engaged portion 72 of the pallet 92. In the second mode, the second engaging portion 43 is engageable with a second engaged portion 64 of the rotary table 60.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a mechanical parking device, and more particularly, it can transfer (transfer) a pallet between an elevating body and a parking rack in a hoistway, and further elevating the pallet. A mechanical parking device with which a pallet can be swiveled above.

[0002]

2. Description of the Related Art In a mechanical parking device, not only can a pallet be transferred (transferred) between a lifting body in a hoistway and a parking rack, but also a vehicle (automobile) can be entered forward. There is one equipped with a turning device so that it can be moved out of the vehicle. As such a mechanical parking device, there is one in which a turntable is provided in a place other than a boarding portion in a transport path or a hoistway, for example, the mechanical parking device described in Japanese Patent Laid-Open No. 10-46861. There is also something like.

In the mechanical parking device described in the publication, trays (pallets) are transferred between a transporting vehicle that moves on a transporting path or a hoistway and a parking section (parking shelf), and on the transporting vehicle. The tray is configured to be swiveled. If the trays (pallets) can be swiveled on the carrier truck in this way, not only does the space for installing the turntable become unnecessary, but the vehicle can also be moved backwards from the loading section into the turntable to swivel the turntable when leaving. Since it is not necessary to carry out a two-step driving procedure of waiting for the vehicle and then leaving the vehicle forward, the vehicle can be delivered smoothly.

[0004]

In the mechanical parking apparatus described in the publication, a lifter is provided on the carrier to turn the tray, and the lifter raises the tray swing frame to lift the tray from the truck frame. After that, the tray is swirling. This lifter has a relatively complicated structure. That is, this lifter is a pantograph type lifter, and a cylinder or a hydraulic motor as a drive source is attached to the carrier truck. But,
Since the carrier truck moves the carrier path and the hoistway, it is desired to reduce its weight. Further, since it is installed in a narrow transportation path or a hoistway, a complicated structure is not preferable for maintenance and inspection.

According to the invention of the present application, not only is the pallet transferred between the elevator and the parking rack in the hoistway, but also the pallet is lifted on the elevator without providing a complicated structure such as a lifter. An object of the present invention is to provide a mechanical parking device that can turn a vehicle.

[0006]

A mechanical parking apparatus according to the present application includes an elevating main body, a table base, a turning table, and a pallet, and the elevating main body is provided on a side of a parking rack. An arm mechanism, which is controlled to move up and down the provided hoistway by an elevating drive device and is driven by an arm mechanism drive device, is provided in the elevating main body portion, and the arm mechanism has a first
An engaging portion and a second engaging portion are provided, the first engaging portion is capable of laterally traversing on the elevating main body portion by driving of the arm mechanism, and the second engaging portion is The table base is supported so as to be movable up and down with respect to the elevating main body by being driven by the arm mechanism, and the table base is supported by the elevating main body and the table base. 1 state and 2nd
The first state is a state in which the table base is at the lowermost position with respect to the elevating main body, and the weight of the table base acts on the elevating main body. In the second state, the table base is at the lowest height position with respect to the hoistway, and the weight of the table base does not act on the elevating main body. Is also in a state in which the table base is at a high position with respect to the elevating / lowering main body part, the turning table is supported so as to be turnable in a horizontal plane with respect to the table base, and the turning center axis of the turning table is The second
It substantially coincides with the central axis of rotation of the engaging portion, and in the first state,
The pallet is placed on the elevating body so as to exert a weight on the elevating body, and in the second state, the pallet is placed on the swivel table so as to exert a weight on the swivel table, A guide portion is provided on the elevating main body portion, the guide portion can guide the pallet on the elevating main body portion in the left-right direction, the pallet is provided with a first engaged portion, and the turning table is provided with a first engaged portion. Two engaged portions are provided, the first engaging portion is engageable with the first engaged portion in the first state, and the second engaging portion is in the second state. It is configured to be engageable with the second engaged portion (claim 1).

With such a construction, the lifting main body and the table base are moved by the lifting drive device which is generally equipped in the mechanical parking device in which the lifting body moves up and down in the hoistway. It can be in one state or a second state. Then, in the second state, when the pallet is placed on the revolving table and the second engaging portion and the second engaged portion are engaged to pivot the second engaging portion, the pallet revolves. In this way, without providing a complicated structure such as a lifter on the lifting body,
The pallet can be rotated on the lifting body.

In the first state, when the pallet is placed on the elevating main body and the first engaging portion and the first engaged portion are engaged and the first engaging portion is laterally traversed, the pallet is also moved. To rampage. In this way, the pallet can be traversed to transfer the pallet between the lifting body and the parking rack.

In the above mechanical parking device, the second engaging portion cannot engage with the second engaged portion in the first state, and the first engaging portion does not engage with the second engaged portion in the second state. It may be configured such that it cannot engage with the first engaged portion (claim 2).

In the above mechanical parking apparatus, the elevating main body and the table base can be in a third state. In the third state, the table base is at the bottom of the hoistway. In the height position, the weight of the table base does not act on the elevating main body, the table base is higher than the first state relative to the elevating main body, and the table base is In the second state, the height position is different from the height position with respect to the elevating / lowering main body portion, and in the third state, the first engaging portion cannot engage with the first engaged portion. Yes, the second
The engaging portion may be configured to be incapable of engaging with the second engaged portion (claim 3). According to this structure, the position of the arm mechanism can be switched without turning the turntable and without traversing the pallet.

In the above mechanical parking apparatus, the arm mechanism has a first arm and a second arm, the first arm being supported by the elevating main body so as to be rotatable in a horizontal plane, and the second arm. Is rotatably supported on the first arm in a horizontal plane, and the first arm and the second arm can be independently rotatably driven by the arm mechanism driving device,
The first engaging portion is provided on the second arm, the second engaging portion is provided on the first arm, and the swing center axis of the second arm is separated from the swing center axis of the first arm. And the first
The engaging portion is separated from the central axis of rotation of the second arm,
The distance between the turning center axis of the second arm and the turning center axis of the first arm is substantially equal to the distance between the first engaging portion and the turning center axis of the second arm, and the first arm Is swung with respect to the elevating / lowering main body part, and the second arm is swung with respect to the first arm in a direction opposite to that of the first arm at a swirling speed that is approximately twice the swiveling speed of the first arm. By doing so, the first engaging portion can be crossed in the left-right direction on the elevating body portion, and the second engaging portion can be moved up and down by rotating the first arm with respect to the elevating body portion. It may be configured so that it can be swung with respect to the main body (claim 4). According to this structure, the posture can be changed between a state in which the first arm and the second arm are vertically overlapped with each other and a state in which they are linearly extended apart from each other. As a result, the length of the entire arm mechanism can be changed, the storage space for the arm mechanism can be reduced, and the lifting body can be downsized.

[0012]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described with reference to the drawings. FIG. 1 is a diagram showing a schematic configuration of a mechanical parking apparatus 1 according to an embodiment of the present invention.

The mechanical parking apparatus 1 includes a hoistway 80, a hoisting body 2 that hoists and lowers in the hoistway 80 by a hoisting drive device 87, and a plurality of parking shelves 81, 82, 83, 84, 85, 86.
And a plurality of pallets 91, 92, 9 corresponding to each parking rack
3,94,95,96. The mechanical parking apparatus 1 is provided with parking shelves 81 to 86 from the second floor to the fourth floor. Parking shelves 81-86 are hoistways 8 on each floor
It is provided on the left and right of 0. Parking shelves 81 and 82 are two above the ground
Parking shelves 83, 84 on the third floor, parking shelves 85, 86 on the third floor above the ground
Are formed on the 4th floor above the ground. The parking rack 85 stores the vehicle 99 together with the pallet 95.

The first floor above the ground is an entrance / exit floor for vehicles, and no parking rack is provided on this floor (first floor above the ground). Normally, the pallets 91 to 96 are placed on the parking shelves 81 to 86, but when the vehicle is loaded or unloaded, the pallets are transferred from the parking shelves to the elevator 2. In addition, each parking shelf 81-86
A rail for guiding the pallet to the left and right is attached to the. The rails are attached so as to extend in the left-right direction near the front and rear ends of the parking shelves 81 to 86 and on the parking shelves 81 to 86. Palette 91-
Wheels are attached to the back surface of the 96 so that the wheels can roll on the rails. In FIG. 1, since the pallet 92 for the parking shelf 82 on the left side of the second floor above the ground is placed on the elevator 2, a pair of rails 88 of the parking shelf 82 are shown in the figure.

In FIG. 1, the elevator 2 has a pallet 92 for the parking shelf 82 on the left side of the second floor above the ground, and is descending to the position of the first floor above the floor where the vehicle is loaded and unloaded. The arrow a1 indicates the warehousing direction of the vehicle.

FIG. 2 is a partially cutaway perspective view of the lifting body 2.
The lifting body 2 includes a lifting body 10, a table base 50,
And a turning table 60.

The turning table 60 is supported on the table base 50 so as to be turnable in a horizontal plane via bearings 69 (see FIG. 5). The table base 50 is supported by the elevating / lowering body 10 so as to be vertically movable.

The elevating main body 10 is directly moved up and down by an elevating and lowering drive device 87, and the table base 50 supported by the elevating main body 10 moves up and down as the elevating main body 10 moves up and down. The supported turning table 60 moves up and down as the table base 50 moves up and down. Therefore, the lifting drive device 87 can lift the entire lifting body 2.

The elevating main body 10 includes an elevating frame 11 and
A pair of rails 12 as guide portions, an arm mechanism 40,
And an arm mechanism driving device 20. The pair of rails 12 are attached near the front and rear ends of the elevating frame 11 and on the elevating frame 11 so as to extend in the left-right direction. In addition, in FIG. 2, the left half of the front rail 12 is cut out together with a part of the elevating frame 11, and this is for the purpose of clearly showing the configuration of the elevating body 2. The arm mechanism driving device 20 is fixed to substantially the center of the elevating frame 11, and the arm mechanism 4 is attached to the main drive shaft 25 of the arm mechanism driving device 20.
0 is attached.

The table base 50 has a base body 51, legs 52, and a seat plate 53. The base body 51 and the seat plate 53 are connected via legs 52. The seat plate 53 has a substantially rectangular shape, and the legs 52 are provided upright in the vicinity of the four corners. A plurality of holes 14 are formed in the elevating frame 11 so as to correspond to the legs 52, and the legs 52 penetrate the holes 14 in the vertical direction. Therefore, the base body 51 is located above the lifting frame 11, and the seat plate 53 is located below the lifting frame 11. The table base 50 is vertically movable with respect to the elevating frame 11 between a position where the base body 51 abuts on the elevating frame 11 and a position where the seat plate 53 abuts on the elevating frame 11. The table base 50 cannot rotate with respect to the elevating frame 11 in a horizontal plane. A hole 59 is formed in the center of the table base 50 and the turntable 60, and the arm mechanism drive device 20 penetrates the hole 59 in the vertical direction. The arm mechanism 40 is located at.

The turning table 60 has a rectangular table body 61 and a pallet receiving portion 62 which is fixed by projecting upward from four corners of the table body 61. As described above, the table body 61 is supported so as to be rotatable with respect to the base body 51 in the horizontal plane. The turning center axis of the turning table 60 substantially coincides with the rotation center axis of the main drive shaft 25 of the arm mechanism driving device 20.

3A and 3B are diagrams showing the structures of the arm mechanism 40 and the arm mechanism drive device 20 in more detail. FIG. 3A is a plan view thereof, and FIG. 3B is a partial sectional side view thereof. The arm mechanism 40 has a first arm 41 and a second arm 42. The first arm 41 is a base end side arm, and the second arm
The arm 42 is an arm on the tip side.

The base end of the first arm 41 is fixed to the main drive shaft 25 of the arm mechanism drive device 20, and the main drive shaft 25
It is configured to turn in a horizontal plane with the rotation of the. An engagement protrusion 43, which is a second engagement portion, is formed at the tip of the first arm 41.

The base end of the second arm 42 is located near the tip of the first arm 41 and above the first arm 41.
It is supported by a support shaft 45 so as to be rotatable with respect to. The second arm 42 is also rotatable in the horizontal plane. An engagement roller 44, which is a first engagement portion, is provided near the tip of the second arm 42 and on the second arm 42 so as to project upward. The engagement roller 44 is rotatable around the axis x3.

The axis x1 which is the center of rotation of the first arm 41 and the axis x2 which is the center of rotation of the second arm are separated from each other, and the axis x2 which is the center of rotation of the second arm and the engagement roller 44 are separated.
Is separated from the axis x3 that is the center of rotation of the. Axis x1 and axis x
The distance between the axis x2 and the axis x3 is substantially equal to the distance between the axis x2 and the axis x3. Although FIG. 3 shows the case where the angle formed by the first arm 41 and the second arm 42 is approximately 90 degrees, the first arm 41 and the second arm 42 can form an arbitrary angle. For example, the first arm 41 and the second arm 42 may form an angle of 0 degree. In this case, the first arm 41 and the second arm 42 are overlapped and folded. Further, for example, the first arm 41 and the second arm 42
It is also possible for and to form an angle of 180 degrees. in this case,
The first arm 41 and the second arm 42 are in a linearly extended state.

The arm mechanism driving device 20 is mainly composed of two motors (first motor 21 and second motor 22), and speed reduction mechanisms (first speed reduction mechanism 23 and second speed reduction mechanism 23 and second motors 22 and 22 connected to the respective motors 21 and 22. Reduction mechanism 24), sprockets 27, 28,
29, 30, and chains 31, 32.
The arm mechanism drive device 20 is attached to the elevating frame 11 by fixing the two reduction mechanisms 23 and 24 to the bracket 15 fixed to the elevating frame 11.

A first speed reducing mechanism 23 is directly connected to the first motor 21, and the rotation of the first motor 21 is decelerated and transmitted to the main drive shaft 25. As described above, the base end of the first arm 41 is fixed to the main drive shaft 25. A pair of sprockets 27, 28 are supported on the main drive shaft 25 via bearings 33 so as to be coaxially and integrally rotatable. The centers of rotation of the sprockets 27 and 28 and the main drive shaft 25 are both the axis x1.

A second speed reduction mechanism 24 is directly connected to the second motor 22, and the rotation of the second motor 22 is decelerated and transmitted to the auxiliary drive shaft 26. A sprocket 29 is fixed to the sub drive shaft 26.

The sprocket 30 is also fixed to a support shaft 45 which supports the second arm 42 so as to be rotatable with respect to the first arm 41. The support shaft 45 is used for the first arm 4
Although it can rotate with respect to 1, it cannot rotate with respect to the second arm 42 and the sprocket 30. That is, spindle 4
The second arm 42 and the sprocket 30 are integrated with each other through 5.

A chain 31 is stretched over the sprockets 27 and 29, and a chain 32 is stretched over the sprockets 28 and 30.

The tooth number ratio of the sprocket 28 and the sprocket 30 is 2: 1 (2: 1).

The first motor 21 and the second motor 22 can be independently rotated. For example, the first motor 21 can be rotated to rotate only the main drive shaft 25 with the second motor 22 stopped, that is, with the auxiliary drive shaft 26 being braked, or vice versa. It is also possible to rotate the second motor 22 and rotate only the auxiliary drive shaft 26 with the first motor 21 stopped, that is, with the main drive shaft 25 being braked.
Further, both motors 21 and 22 can be rotated at the same number of revolutions or at different numbers of revolutions. Further, both motors 21 and 22 can be rotated in the same direction or in opposite directions.

From the state shown in FIG. 3, when the second motor 22 is stopped and the auxiliary drive shaft 26 is braked, the first motor 21 is rotated to rotate only the main drive shaft 25. The first arm 41 turns with respect to the elevating frame 11, the second arm 42 has a turning speed twice the turning speed of the first arm 41 with respect to the first arm 41, and the turning direction of the first arm 41. Turn in the opposite direction. As a result, the engagement roller 44 linearly moves in the left-right direction with respect to the elevating frame 11. That is, it is rampant. The arrow a2 in FIG. 3 indicates the moving direction of the engagement roller 44 in this case.

From the state shown in FIG. 3, when the first motor 21 is stopped and the main drive shaft 25 is braked, the second motor 22 is rotated to rotate only the sub drive shaft 26. , The first arm 41 does not rotate, only the second arm 42 rotates, and the engagement roller 44 rotates about the axis x2. The arrow a3 in FIG. 3 indicates the moving direction of the engagement roller 44 in this case.

When the first motor 21 is rotated from the state shown in FIG. 3 and the second motor 22 is rotated so as not to rotate the sprocket 28 relative to the main drive shaft 25, the first motor 21 is rotated. Arm 41 and second arm 4
The 2 turns integrally around the axis x1 without changing its angle. The arrow a4 in FIG. 3 indicates the moving direction of the engagement roller 44 in this case.

As described above, although the first arm 41 and the second arm 42 are connected by the sprocket 28, the chain 32, and the sprocket 30, the first motor 21 and the second motor 22 rotate independently. Since it can be controlled, the first arm 41 and the second arm 42 can be rotated substantially independently.

FIG. 4 is a diagram showing the structure of the pallet,
(A) is a plan view and (b) is a front view. All pallets 91 to 96 are configured as shown in FIG. Protrusions 71 extending in the front-rear direction are formed on the left and right sides of the upper surface of the pallet so that the wheels of the vehicle do not protrude outside. An engaged groove 72, which is a first engaged portion extending in the front-rear direction, is formed substantially in the center in the front-rear direction on the back side of the protruding portion 71. Wheels 73 are attached near the four corners of the pallet and on the back side. In addition, the rectangular portion shown by an imaginary line 74 in FIG. 4 is a portion that comes into contact with the pallet receiving portion 62 when the pallet is placed on the turning table 60.

The schematic construction of the mechanical parking apparatus 1 is as described above. Hereinafter, with reference to FIGS. 5 to 13, the operation of the mechanical parking device 1 from when the vehicle is stored in the mechanical parking device 1 to when the vehicle is stored in the parking rack is described as (turning motion) (switching motion) (horizontal motion). Operation). (Turning Operation) FIG. 5 is a vertical cross-sectional view of the lifting body 2 in a state where the lifting body 2 is lowered to the bottom of the hoistway 80. In this state, the lifting / lowering body 2 has the pallet 92 placed thereon and is located on the first floor above the floor, which is the loading / unloading floor. This pallet 92 is a pallet for the parking shelf 82 on the left side of the second floor above the ground. The elevating drive device 87 lowers the elevating frame 11 to the position in the hoistway 80 as shown in FIG. 5, and as a result, the seat plate 53 is in contact with the bottom surface 97 of the hoistway 80. The position of the table base 50 at this time is the hoistway 80.
Is the lowest possible position in. The pallet 92 is
The pallet receiving portion 62 of the revolving table 60 is brought into contact with the pallet receiving portion 62, and the weight is applied to the pallet receiving portion 62. The weights of the table base 50, the turning table 60, and the pallet 92 all act on the bottom surface 97 of the hoistway 80, and
0 is not working. The elevating / lowering main body 10 is suspended in the hoistway 80 by the elevating / lowering drive device 87, and the weight thereof does not directly act on the bottom surface 97 of the hoistway 80. This state corresponds to, for example, the second state in the claims.

The turning table 60 is provided with a pair of second engaged parts 64a, 64b. These pair of second
The engaging portions 64a, 64b are formed at positions that are axially symmetrical with respect to the turning center axis of the turning table 60.

The lifting frame 11 of the lifting body 10
A pair of support columns 16 are fixed to each support column 16, and each support column 16 has a third
The engaged portion 17 and the fourth engaged portion 18 are formed.
The third engaged portion 17 is formed above the fourth engaged portion 18 with a distance from the fourth engaged portion 18. The pair of support columns 16 are formed at positions that are axisymmetric with respect to the center axis of turning of the turning table 60. Therefore, the pair of third engaged parts 17 are also formed at positions symmetrical with respect to the turning center axis of the turning table 60, and the pair of fourth engaged parts 18 also turn of the turning table 60. It is formed at a position that is axisymmetric with respect to the central axis.

An engaging piece 65 is formed on the turning table 60. The engagement piece 65 projects outward from the table body 61 in the radial direction.

In the state of FIG. 5, the first arm 41
The height position of the engaging protrusion 43 formed at the tip of the second protrusion becomes the same as the height position of the second engaged portions 64a and 64b, and the engaging protrusion 43 and the second engaged portion 64a engage with each other. ing. Figure 6
The engaging protrusion 43 formed on the tip of the first arm 41 and the second
It is a perspective view showing a state where the engaged portion 64a is engaged.

Referring again to FIG. 5, the engagement roller 44
Is at a position lower than the height at which the engaged groove 72 can be engaged, and is not engaged with the engaged groove 72.

Further, since the engaging piece 65 is lower than the height at which it can engage with the third engaged portion 17 and higher than the height at which it can engage with the fourth engaged portion 18, the engaging piece 65 is Neither the third engaged portion 17 nor the fourth engaged portion 18 is engaged.

As described above, in the state shown in FIG.
Is located on the first floor above the loading / unloading floor. When the vehicle is loaded, the vehicle normally rides forward on the pallet 92 on the elevator 2 in the state shown in FIG. When the vehicle rides on the pallet 92, the arm mechanism driving device 20 operates to prevent the angle formed by the first arm 41 and the second arm 42 from changing, and the first arm 41 and the second arm 42 are integrated. To swirl. As described above, since the engagement protrusion 43 formed at the tip of the first arm 41 is engaged with the second engaged portion 64a, when the first arm 41 turns, the turning table 60 also turns. The pallet 92 on the turning table 60 also turns with the vehicle placed. Then, when the first arm 41 turns 180 degrees from the state of FIG. 5, the turning of the first arm 41 is stopped.

FIG. 7 is a vertical cross-sectional view of the lifting / lowering body 2 in a state in which the first arm 41 has rotated 180 degrees and then stopped from the state of FIG. At this time, the vehicle is in the direction opposite to the direction in which the vehicle is stored. (Switching operation) Next, from the state shown in FIG. 7, the elevating / lowering main body 10 is slightly lowered by the elevating / lowering drive device 87.

FIG. 8 shows a lift drive device 87 from the state of FIG.
FIG. 3 is a vertical cross-sectional view of the lifting body 2 in a state where the lifting main body portion 10 is slightly lowered. Since the seat plate 53 is in contact with the bottom surface 97 in the state of FIG. 7, the table base 50, the swivel table 60, and the pallet 92 are even when the elevating main body unit 10 descends.
The height position of is the same as the state of FIG. This state is
This corresponds to the third state in the claims.

Then, the lowering of the elevating / lowering body 10 causes the engagement protrusion 4 formed at the tip of the first arm 41.
The height of 3 is lower than that of the second engaged portions 64a and 64b, and the engagement between the engagement protrusion 43 and the second engaged portion 64a is released. On the other hand, the height position of the third engaged portion 17 is the same as the height position of the engaging piece 65, and the engaging piece 65 is engaged with the third engaged portion 17. FIG. 9 is a perspective view showing a state in which the engagement piece 65 and the third engaged portion 17 are engaged with each other.

Then, from the state shown in FIG. 8, the arm mechanism drive unit 20 is actuated, and the first arm 41 and the second arm 4 are moved.
The first arm 41 and the second arm 42 are integrally swung while preventing the angle formed by 2 from changing. As described above, the engagement between the engagement protrusion 43 formed at the tip of the first arm 41 and the second engaged portion 64a is released, so that the revolving table 60 does not rotate even if the first arm 41 revolves. Does not turn. Since the engagement piece 65 and the third engaged portion 17 are engaged with each other, the turning table 60 is mounted on the table base 50.
Does not cause an unexpected turn.

FIG. 10 shows the first arm 41 from the state of FIG.
FIG. 4 is a vertical cross-sectional view of the lifting / lowering body 2 in a state in which the vehicle turns 180 degrees and then stops. In this state, the position of the arm mechanism 40 is switched to the side opposite to the state shown in FIG. 8 without turning the turntable 60 from the state shown in FIG. (Transverse operation) Next, the elevating main body unit 10 is once raised from the state of FIG. 10 to the state of FIG. 5, and the arm mechanism drive device 20 is operated to prevent the first arm 41 from rotating, while the second arm 42 is rotated. Is rotated with respect to the first arm 41 to bring the engagement roller 44 outward, and then the first arm 41 is prevented from changing the angle formed by the first arm 41 and the second arm 42 as necessary. The second arm 42 and the second arm 42 are integrally rotated to align the engagement roller 44 with the position of the engagement groove 72, and then the elevating / lowering drive device 87 elevates the elevating / lowering main body 10 to stop it on the second floor above the ground.

FIG. 11 is a vertical cross-sectional view of the elevator 2 when the elevator main body 10 is elevated to the second floor above the ground by the elevator drive device 87 from the state of FIG. Due to the lifting of the lifting body 10, the entire lifting body 2 reaches the second floor above the ground.

In the state of FIG. 11, the lifting frame 11
The table base 50 abuts on the abutting portion 19 formed on the table base 50, the turning table 60, and the pallet 9.
All the weights of 2 act on the elevating frame 11. The seat plate 53 floats from the bottom surface 97. This state is
The table base 50 is in a state in which it is at the lowest height position with respect to the elevating / lowering body 10. This state is the first in the claims.
Corresponds to the state.

The relative position of the lifting frame 11 with respect to the revolving table 60 due to the lifting of the lifting body 10
It becomes higher than when it was in the state of FIG. 10, and as a result,
The rails 12 attached to the elevating frame 11 contact the wheels 73 of the pallet 92 to lift the pallet 92 from the pallet receiving portion 62 of the turning table 60.

Further, as a result of the position of the elevating / lowering main body portion 10 becoming relatively high with respect to the turning table 60, the height position of the engaging piece 65 becomes lower than the height position of the third engaged portion 17. The engagement between the engagement piece 65 and the third engaged portion 17 is released, while the height position of the engagement piece 65 becomes the same as the height position of the fourth engaged portion 18, and the engagement piece 65 is released. And the fourth engaged portion 18 are engaged with each other. The height of the engaging protrusion 43 is equal to the height of the second engaged portion 64a,
64b, the engaging protrusion 43 and the second engaged portion 6
Since it cannot engage with 4a and 64b, the first arm 41
The turning table 60 does not turn when turning. Further, since the engagement piece 65 and the fourth engaged portion 18 are engaged with each other, the turning table 60 does not unexpectedly turn. Further, since the engagement roller 44 of the arm mechanism 40 is engaged at the same height position as the height position of the engaged groove 72 of the pallet 92,
Even when the lifting / lowering main body 10 is raised, the pallet does not unexpectedly move laterally.

The second arm 42 shown by the solid line in FIG.
4 and the engaged groove 72 are engaged with each other. Next, the arm mechanism 40 is driven by the arm mechanism drive device 20 to linearly move (transverse) the engaging roller 44 in the left-right direction.

FIG. 12 is a diagram showing a process in which the pallet 92 is transferred from the elevator 2 to the parking rack 82 on the left side of the second floor by linear movement of the engaging roller 44 in the left-right direction, (a). Is a pallet 92 placed on the elevator 2.
FIG. 6 is a plan view before transferring the pallet, (b) is a plan view during transferring the pallet, and (c) is a plan view after transferring the pallet with the pallet 92 placed on the parking shelf 82.

In (a), the arm mechanism 40 shown by a phantom line is in a state where the engaging roller 44 is moved outward. Further, the arm mechanism 40 shown by the solid line does not change the angle formed by the first arm 41 and the second arm 42 from the state of the phantom line, while the first arm 41 and the second arm 4 are being made.
2 is integrally rotated to engage the engagement roller 44 with the engagement groove 7
2 is in the engaged state. The arrow a5 in the figure is
The turning direction of the engagement roller 44 when the arm mechanism 40 shifts from the virtual line state to the solid line state is shown.

Next, from the state indicated by the solid line in FIG.
0 is driven to linearly move (transverse) the engagement roller 44 leftward.

In order to linearly move the engaging roller 44 in the left-right direction, as described above, the first motor 22 of the arm mechanism driving device 20 is stopped and the first drive shaft 26 is braked. The main drive shaft 2 is rotated by rotating the motor 21.
Only 5 should be rotated. When the engaging roller 44 is linearly moved leftward, the pallet 92 is guided by the engaging roller 44, moves leftward on the elevating body 2, and gets into the parking shelf 82 on the left side of the second floor above the ground. At this time, the wheels 73 of the pallet 92 are transferred from the rails 12 of the elevating main body 10 to the rails 88 of the parking rack 82. That is, the pallet 92 is transferred from the elevator 2 to the parking shelf 82.

(B) is a state after the arm mechanism 40 is in a folded state in which the first arm 41 and the second arm 42 are vertically overlapped with each other from the state of (a), and the lifting rack 2 to the parking rack 82. It is a figure which shows the state during transfer of the pallet to. The arrow a6 in the figure indicates the turning direction of the first arm 41 by the arrow a6.
Reference numeral 7 indicates the moving direction of the engagement roller 44.

(C) is a diagram showing a state in which the transfer of the pallet 92 from the elevator 2 to the parking rack 82 is completed. The arm mechanism 40 shown by the solid line in the figure includes a first arm 41 and a second arm 41.
The arm 42 is in a fully extended state until it becomes a straight line, and in this state, the pallet 92 is completely placed on the parking shelf 82. At this time, the tip of the second arm 42 is in the area of the parking shelf 82.

FIG. 13 is a longitudinal sectional view of the lifting / lowering body 2 corresponding to FIG. 12 (c). The first arm 41 and the second arm 4 are shown in FIG.
2 is a view showing a state in which the pallet 92 is completely placed on the parking shelf 82 by extending 2 until it becomes linear. FIG.

Referring again to FIG. 12C, thereafter, the arm mechanism 40 further pivots only the second arm 42 without pivoting the first arm 41 to engage the engagement roller 44. It is disengaged from the groove 72. The arrow a8 in the figure indicates the turning direction of the second arm 42 at this time. The second arm 42 indicated by a phantom line in the drawing is in a state in which the engagement roller 44 is separated from the engaged groove 72. As a result, the second arm 42 is also removed from the area of the parking rack 82, so that the elevator 2 can be raised and lowered in the hoistway 80 thereafter.

As described above, (turning operation) (switching operation)
By the (horizontal movement), it is possible to store the vehicle, which has been parked in the forward direction, in the parking rack with the front and the rear reversed. In addition, in order to take out the vehicle stored in the parking rack, the procedure of (horizontal movement) is operated in reverse, and the vehicle together with the pallet is moved up and down.
After placing it on the floor, the elevator 2 can be lowered to the first floor above the ground (entrance / unload floor). Since the vehicle has already turned in the opposite direction to that at the time of entering by the turning motion, it can be exited by moving forward.

The mechanical parking apparatus 1 according to the embodiment of the present invention has been described above. In the above embodiment, the convex member is used as the engaging portion and the concave member is used as the engaged portion. However, the concave member is used as the engaging portion and the convex member is used as the engaged portion. You can also

[0066]

The present invention is carried out in the form described above, and has the following effects. (1) The pallet can be swung on the lifting body without providing the lifting body with a complicated structure such as a lifter. Therefore, the lifting body becomes lightweight. In addition, maintenance and management of the lifting body becomes easy. Further, the manufacturing cost of the mechanical parking device can be reduced. (2) In the elevating main body and the table base, the first engaging portion cannot engage with the first engaged portion, and the second engaging portion cannot engage with the second engaged portion. By setting such a state, the position of the arm mechanism can be switched without turning the turntable and without traversing the pallet. (3) If the arm mechanism is composed of the first arm and the second arm, the length of the arm mechanism as a whole can be changed to reduce the storage space of the arm mechanism, thereby achieving downsizing of the lifting body. You can

[Brief description of drawings]

FIG. 1 is a diagram showing a schematic configuration of a mechanical parking apparatus that is an embodiment of the present invention.

FIG. 2 is a partially cutaway perspective view of a lifting body.

3A and 3B are diagrams showing a detailed configuration of an arm mechanism and an arm mechanism drive device, FIG. 3A is a plan view thereof, and FIG. 3B is a partial sectional side view thereof.

4A and 4B are diagrams showing a configuration of a pallet, in which FIG. 4A is a plan view and FIG. 4B is a front view.

FIG. 5 is a vertical cross-sectional view of the elevating body with the elevating body descending to the bottom of the hoistway.

FIG. 6 is a view showing an engagement protrusion formed on the tip of the first arm and a second protrusion;
It is a perspective view showing the state where the engaged portion is engaged.

FIG. 7 is a vertical cross-sectional view of the elevating body in a state where the first arm has rotated 180 degrees and then stopped from the state of FIG.

FIG. 8 is a vertical cross-sectional view of the lifting body when the lifting body is slightly lowered by the lifting drive device from the state of FIG.

FIG. 9 is a perspective view showing a state in which an engagement piece and a third engaged portion are engaged with each other.

FIG. 10 is a vertical cross-sectional view of the elevating body in a state where the first arm has rotated 180 degrees and then stopped from the state of FIG.

11 is a vertical cross-sectional view of the lifting body when the lifting main body is lifted up to the second floor from the state of FIG. 10 by the lifting drive device.

FIG. 12 is a diagram showing a process in which a pallet is transferred from an elevating body to a parking rack on the left side of the second floor by linear movement of engaging rollers in the left-right direction. FIG. FIG. 3 is a plan view of a mounted pallet before transfer of a pallet, (b) is a plan view of transferred pallet, and (c) is a plan view of a pallet mounted on a parking shelf after transfer of the pallet.

FIG. 13 is a vertical cross-sectional view of the elevating body corresponding to FIG. 12 (c), in which the first arm and the second arm extend all the way to a straight line, and the pallet is completely placed on the parking rack. FIG.

[Explanation of symbols]

1 Mechanical parking device 2 Lifting body 10 Lifting body 11 Lifting frame 12 rails 14 holes 15 bracket 16 props 17 Third engaged part 18 Fourth engaged part 19 Contact part 20 Arm mechanism drive 21 first motor 22 Second motor 23 First reduction mechanism 24 Second reduction mechanism 25 Main drive shaft 26 Sub drive shaft 27,28,29,30 sprockets 31,32 chains 33 bearings 40 arm mechanism 41 First Arm 42 Second Arm 43 Engagement protrusion 45 spindle 50 table base 51 base unit 52 legs 53 seat plate 59 hole 60 swivel table 61 table body 62 Pallet receiver 64a, 64b Second engaged portion 65 engagement piece 69 bearing 71 Projection 72 Engagement groove 73 wheels 80 hoistway 81,82,83,84,85,86 Parking shelves 87 Lifting drive device 88 rails 91,92,93,94,95,96 pallets 97 Bottom 99 vehicles

Claims (4)

[Claims] 1. An elevating / lowering main body, a table base, a turning table, and a pallet, the elevating / lowering main body having a hoistway provided with a parking shelf on a side,
The arm mechanism driven by the arm mechanism drive device is controlled to move up and down by the lift drive device.
The arm mechanism is provided with a first engaging portion and a second engaging portion, and the first engaging portion is driven by the arm mechanism in the left-right direction on the elevating body portion. The second engaging portion is pivotable with respect to the elevating body portion by driving the arm mechanism, and the table base is supported so as to be vertically movable with respect to the elevating body portion. The elevating main body and the table base can be in a first state and a second state. In the first state, the table base is at the lowest height with respect to the elevating main body. In the second position, the table base is at the lowest height position with respect to the hoistway, The weight of the table base does not act on the main body, and the table base is higher than the lift main body than in the first state. The swivel table is supported so as to swivel in a horizontal plane with respect to the table base, and the swivel center axis of the swivel table is substantially aligned with the swivel center axis of the second engaging portion. In the first state, the pallet is placed on the elevating main body so as to apply a weight to the elevating main body, and in the second state, the pallet applies a weight to the revolving table. It is placed on the turning table, and the elevating body is provided with a guide. The guide is capable of guiding the pallet on the elevating body in the left-right direction, and the pallet has a first engaged portion. A second engaged portion is provided on the turning table, the first engaging portion is engageable with the first engaged portion in the first state, and the second engaged portion is in the second state. A mechanical type in which the second engaging portion is engageable with the second engaged portion. Car equipment. 2. In the first state, the second engaging portion cannot engage with the second engaged portion, and in the second state, the first engaging portion is the first engaged portion. The mechanical parking apparatus according to claim 1, which is not engageable with the joint. 3. The lifting body and the table base are third
In the third state, the table base is at the lowermost position with respect to the hoistway, and the weight of the table base does not act on the elevating main body. In a state where the table base is higher than the lift main body in the first state and the table base is at a different height position from the height position of the lift main body in the second state. Yes, in the third state, the first engaging portion cannot engage with the first engaged portion, and the second engaging portion cannot engage with the second engaged portion. The mechanical parking apparatus according to claim 1. 4. The arm mechanism has a first arm and a second arm, the first arm being supported by the elevating main body so as to be rotatable in a horizontal plane, and the second arm being the first arm. The arm is rotatably supported in a horizontal plane, and the first arm and the second arm can be independently rotatively driven by the arm mechanism driving device, and the first engaging portion is the second arm. The second engaging portion is provided on the first arm, the pivot center axis of the second arm is separated from the pivot center axis of the first arm, and the first engaging portion is The second arm is separated from the center axis of rotation, and the distance between the center axis of rotation of the second arm and the center axis of rotation of the first arm is the center of rotation of the first engaging portion and the center of rotation of the second arm. The distance from the shaft is substantially equal, the first arm is rotated with respect to the elevating main body, and the second arm is rotated. By rotating the arm in a direction opposite to the first arm at a rotation speed that is approximately twice the rotation speed of the first arm with respect to the first arm, thereby causing the first engaging portion to move up and down. 2. The upper and lower parts can be traversed in the left-right direction, and the second engaging part can be swung with respect to the elevating / lowering body part by rotating the first arm with respect to the elevating / lowering body part. The mechanical parking apparatus according to any one of items 1 to 3.