JP2897619B2 - Automatic warehouse - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to an automatic warehouse equipped with shelves and an entrance / exit train, and more particularly to an automatic warehouse for handling both heavy and light objects.

[0002]

2. Description of the Related Art In an automatic warehouse of this type, generally, a lower area of a shelf is used as a heavy goods storage area and an upper area of the shelf is used as a light goods storage area. A so-called stacker crane type train is provided as an entrance / exit train traveling along the shelf, and a lifting / lowering carriage of the crane has a load transfer means that can be used for both heavy and light objects, such as running. It had a fork.

[0003]

In such a conventional configuration, automatic control is performed such that the traveling speed of the crane and the lifting speed of the lifting and lowering carriage are set to be low when transferring heavy objects and high when transferring lightweight objects. Since it is difficult in practice, it is necessary to control at a low speed suitable for transporting heavy objects, not only for loading and unloading of lightweight items, but also for lifting and lowering the carriage at each stage loading support section Since it has to be moved up and down between them, the work of loading and unloading heavy goods cannot be performed efficiently.

[0004]

SUMMARY OF THE INVENTION The present invention has been made to solve the above-mentioned conventional problems, and its features are indicated by parenthesized reference numerals in the embodiments described later. As shown, it is an automatic warehouse equipped with a shelf (1A, 1B), a heavy goods entry / exit train (10), and a light goods entry / exit train (11), and the shelf (1A, 1B).
1B) is divided into a lower area for storing heavy goods (12) and an upper area for storing light goods (13), and the train for loading and unloading heavy goods (10) runs along the lower area (12) of the shelf. The lower part of the lower area is provided with a plurality of upper and lower stages of load transfer means (15a, 15b) corresponding to the respective stage load support portions (12a). It can travel along the upper area (13) of the shelf, and
A lifting carriage (19) having a loading support (13a) at an arbitrary level in the upper area (13) of the shelf by raising and lowering the lifting carriage (19). )).

[0005]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS An embodiment of the present invention will be described below with reference to the accompanying drawings. In FIG. 1, 1A and 1B are side-by-side shelves, and a train running path 2 is formed between them. Have been. Numeral 3 denotes a storage elevator, which is disposed at one end of the shelf 1A.
On the opposite side of the storage transfer device 4, a storage stop position 6 of the transport train 5 is set adjacent to the storage transfer device 4 on the opposite side of the storage elevating transport device 3. Have been.
Reference numeral 7 denotes a lifting elevating transport device disposed at the other end of the shelf 1A, and a discharging transfer device 8 is disposed on a side of the lifting elevating transport device 7 opposite to the train traveling path 2. An exit stop position 9 of the transport train 5 is set adjacent to the exit transfer device 8 on the side opposite to the exit elevator device 7. Numeral 10 denotes a heavy goods entry / exit train arranged below the train traveling passage 2, and reference numeral 11 denotes a lightweight goods entering / exiting train arranged above the train traveling passage 2.

As shown in FIGS. 2 and 3, shelves 1A, 1B
Are divided into a lower area 12 for storing heavy goods and an upper area 13 for storing light goods, and the lower area 12 for storing heavy goods has a plurality of upper and lower stages (two stages in the illustrated example) in the train traveling direction. The load support portion 12a for heavy goods is provided, and a plurality of upper and lower steps (three steps in the illustrated example) are provided in the upper area 13 for storing light goods.
Load support part 1 for light goods divided in the direction of train travel
3a is provided. And the heavy goods loading / unloading train 1
Numeral 0 is supported by a pair of guide rails 14 provided on both left and right sides of the train traveling path 2 and travels along the lower area 12 of the shelf. Upper and lower stages corresponding to each (two stages in the illustrated example)
Are provided.

The light-loading / loading train 11 is of a conventional stacker crane type, and includes a pair of supporting lower guide rails 1 provided on both right and left sides of a train traveling path 2.
6 and is guided by an upper-side guide rail 17 for steadying provided at the upper center of the train travel path 2 and travels along the upper region 13 of the shelf, and has one load transfer means 18. A lifting carriage 19 is provided so that one loading / transferring means 18 can correspond to an arbitrary level of the load support portion 13a in the upper region 13 of the shelf by raising and lowering the lifting carriage 19. Reference numeral 20 denotes a gate-shaped frame for guiding the lifting carriage 19, the upper end of which is engaged with the steadying guide rail 17 via a roller.

As shown in FIG. 4 to FIG. 6, the loading and unloading transporting devices 3 and 7 have the same structure. The load transfer means 18 when the load transfer means 15a, 15b and the lifting carriage 19 of the light-weight article loading / unloading train 11 are at the lower limit position.
And a lifting platform 21 which can be stopped at a plurality of levels, and is provided with three or more rows on the lifting platform 21 in a direction orthogonal to the load transfer direction, as indicated by reference numerals in FIG. In the example shown, five rows) fork egress / retreat elevating spaces 22a to 22e
Are provided in parallel with a plurality of rows of load supporting members 23 for forming the load supporting members 23 in parallel. Reference numeral 25 denotes a lifting guide column of the lifting platform 21.

As shown in FIGS. 2 and 3, each of the load transfer means 15a and 15b of the heavy goods loading / unloading train 10 is supported by an inverted gate-shaped frame 26 so as to be able to move up and down by a load delivery stroke. It comprises a lift frame 27 common to the transfer means 15a and 15b, and a plurality of rows of forks 28a to 28d which are provided on the lift frame 27 and which can move in and out, as shown in FIG. 28a-28d
The two forks move in the left and right sides of the fork moving space 22a to 22e of the fork moving space 22a to 22e on the loading platform 21 of the loading and unloading moving devices 3 and 7, respectively, except for the central position of the fork moving space 22c. Elevating spaces 22a, 22b and 22
It is arranged at a position corresponding to d and 22e.

[0010] The load transfer means 18 of the light-loading goods loading / unloading train 11
Are composed of forks 29a to 29c which can move in and out as shown in FIG. 2 and FIG. 6, and as shown in FIG. Fork egress and retraction space 22a to 22e
Among them (see FIG. 5), they are arranged at positions corresponding to the three fork egress / retreat elevating spaces 22b to 22d in the central area.

The loading / unloading transfer devices 4 and 8 shown in FIG. 1 have the same structure. As shown in FIGS. Transport devices 3, 7
And a plurality of movable forks 30a to 30e arranged side by side at positions corresponding to all the fork egress / removal elevating spaces 22a to 22e on the elevating loading platform 21 in FIG. These forks 30a to 30e are juxtaposed on a lift 31 that can be moved up and down by a load delivery stroke. FIG.
As shown in FIGS. 5 and 6, on the transport train 5 shown in FIG.
A load supporting means having the same structure as the upper load supporting means 24, that is, a load supporting means 34 having a plurality of rows of load supporting members 33 forming fork egress / retreat elevating spaces 32a to 32e is provided.

The lower area 12 for storing heavy goods of the shelves 1A and 1B
As shown in FIGS. 2 and 5, the fork 28a to 28d of each of the load transfer means 15a and 15b of the heavy goods loading / unloading train 10 is moved up and down and moved up and down as shown in FIGS. A plurality of rows of load supporting tools 36 forming movable fork egress / retreat elevating spaces 35a to 35d are juxtaposed on a support table 37. As shown in FIG. 2 and FIG. 6, the forks 29a to 29c of the load transfer means 18 in the light-weight article loading / unloading train 11 form fork egress / retreat elevating spaces 38a to 38c as shown in FIGS. And a comb-like load supporting tool 39.

Each of the movable forks 28a to 28 is movable back and forth.
Since d, 29a to 29c and 30a to 30e are conventionally known ones generally called running forks,
Illustration and explanation of the detailed structure are omitted. Also, in the illustrated example, the heavy goods entry / exit train 10 and the lightweight goods entry / exit train 11
Have the same maximum load length.

Next, a description will be given of the automatic warehouse loading operation.
4 on the load support 33 (on the load support 33).
Is transported to the storage stop position 6 by the As shown in FIG. 5, when the train 5 stops at the stop position 6 for storage, the forks 30a to 30e of the transfer device 4 for storage at a low level.
(See FIG. 6), the fork 3 by the elevating table 31
0a-30e ascent and forks 30a-30e
The transport train 5 is caused to perform a skimming operation consisting of a retreating motion of the transport train 5, and the load on the transport train 5 is taken into the storage transfer device 4. At this time, each fork 30a-30
e moves in and out of each of the fork egress and egress elevating spaces 32a to 32e in the load support means 34 of the transport train 5.

When the load is taken into the transfer device 4 for storage, the load support means 24 of the elevating and lowering transfer device 3 for storage is stopped down to the same level as the load support means 34 of the transport train 5. , The fork 30a to 30e (see FIG. 6) at a high level of the loading / unloading transfer apparatus 4, the fork 30a to 30e (see FIG. 6), the fork 30a to 30e lowered by the elevator 31, and the forks 30a to 30e retreat. Is performed on the storage-elevating transfer device 3 side, and the storage transfer device 4
The above load is transferred onto the load support means 24 (on the load support 23) of the elevating / lowering transport device 3 for storage. At this time, each fork 30
a to 30e are load supporting means 24 of the elevating / lowering transport device 3 for storing.
Move up and down in each of the fork elevating and lowering spaces 22a to 22e.

If the load to be stored is heavy,
The heavy goods loading / unloading train 10 is stopped at the storage home position adjacent to the loading / unloading transporting device 3, and the load supporting means 24 of the loading / unloading transporting device 3 is moved by the lifting platform 21 by the heavy loading / unloading train 10. Is lifted to the same level as the load transfer means 15a or 15b, and when the load to be stored is a light-weight product, the light-loading and unloading train 11 is stopped at the storage home position adjacent to the storage-elevating transfer device 3. At the same time, the loading / unloading means 18 is lowered to the lower limit level by the lifting / lowering carriage 19, and the load supporting means 24 of the loading / lowering transporting device 3 for loading is moved by the lifting / lowering platform 21 to the loading / unloading means 18a of the lightweight article loading / unloading train 11. Raise to the same level.

Next, the forks 28a-28 in the load transfer means 15a or 15b of the heavy goods loading / unloading train 10 will be described.
d, or the loading / unloading means 18a of the train 11
The forks 29a to 29c perform a skimming operation including a low-level advancement movement, a lifting movement by the elevator frame 27 or the lifting carriage 19, and a retreating movement on the side of the loading / lowering transport device 3 for storage. As a result, the load on the load support means 24 of the loading / lowering transport device 3 for receiving goods is received on the load transferring means 15a or 15b of the heavy goods loading / unloading train 10 or the load transferring means 18a of the lightweight goods loading / unloading train 11. Let At this time, the forks 28a to 28d in the load transfer means 15a or 15b of the heavy goods loading / unloading train 10 are used.
Moves up and down in the fork egress / removal elevating spaces 22a, 22b, 22d and 22e in the load support means 24 of the elevating / transferring device 3 for loading and unloading, and the load transfer means 1
The forks 29a to 29c in 8a move up and down and up and down in the fork elevating and lowering spaces 22b to 22d in the load supporting means 24 of the elevating and lowering and conveying device 3 for entry.

The heavy goods loading / unloading train 10 having received the heavy goods by the load transfer means 15a or 15b is moved to a position corresponding to the heavy goods load support portion 12a to be stored and stopped, and the heavy goods are supported. Loading means 15a or 1
5b, the unloading operation including the fork movements of the forks 28a to 28d at a high level, the lowering movement of the forks 28a to 28d by the elevator frame 27, and the retreating movement of the forks 28a to 28d is performed on the side of the load support portion 12a to be stored. Then, the heavy goods on the heavy goods loading / unloading train 10 are transferred onto the heavy goods load support portion 12a (the load support member 36) to be stored. At this time, each of the forks 28a to 28d is connected to each of the fork egress and retraction spaces 35a to 35d in the load supporting portion 12a.
Move in and out of the room.

The light goods loading / unloading train 11, which receives the light goods by the load transfer means 18, loads the light goods load supporting part 1 to be stored.
3a, the fork 29a-29c is moved at a high level, the fork 29a-29c is lowered by the lifting carriage 19, and the load transfer means 18 supporting the lightweight object is stopped. And fork 29
a to 29c, the unloading operation including the retreating motion is performed on the side of the load supporting unit 13a to be stored, and the light-weight object on the light-loading and unloading train 11 is loaded by the light-load supporting unit 13a.
It is transferred on the upper side (on the comb-like load support 39). At this time, each of the forks 29a to 29c moves up and down and moves up and down in each of the fork moving spaces 38a to 38c in the load supporting portion 13a.

The unloading operation is performed in the reverse order of the above-mentioned storing operation. That is, the load support portions 12a, which are to be retrieved from the shelves 1A and 1B,
13a to fork 28a-28d or 29a-29
The loading and unloading trains 10, 11 which have received the load by the picking-up operation of c travel to the delivery home position adjacent to the lifting and lowering transport device 7 and stop. At this time, the lift carriage 19 provided with the load transfer means 18 in the light-loading goods loading / unloading train 11 descends to the lower limit level.
Then, the loading / unloading means 1 of these loading / unloading trains 10, 11
5a or 15b, or the load on the load transfer means 18 which has been lowered to the lower limit level, is moved up and down to the same level on the load support means 24 (on the load support 23) of the unloading elevating / conveying device 7 which stops. Fork fork 28 of train side loading / unloading means
The items are unloaded and transferred by the unloading operations a to 28d or 29a to 29c. Thereafter, the load support means 24 of the outgoing elevating transport device 7 descends to the lower limit level, and the fork 30a-30e in the outgoing transfer device 8 at the same level picks up the load, thereby causing the outgoing elevating transport device 7 to move. The load on the load support means 24 is unloaded and transferred onto the unloading transfer device 8.
Further, the load on the transfer device 8 for unloading is moved to the stop position 9 for unloading.
The unloading operation of the forks 30a to 30e in the unloading transfer device 8 causes the unloading and transfer to be performed on the load supporting means 34 of the transport train 5 stopped by the above.

In the above embodiment, the heavy object has a minimum length which can be supported by the pair of forks 28b, 28c on the center side of the load transfer means 15, 15b of the heavy object loading / unloading train 10. From things, all forks 28a-
28d can be handled up to the maximum length that can be supported.
From the minimum length that can be supported by the load supports 39 on both left and right sides of the center fork egress / retraction space 38b,
Although it is possible to handle up to the maximum length that can be supported by all the forks 29a to 29c in the load transfer means 18 of the light-loading goods loading / unloading train 11, in the illustrated example,
The width of the load support space in the load transfer means 18 of the light-loading / shipping train 11 is increased so that a light-weight object having the same length as that of the heavy-weight object can be handled. Shelf 1
The A and 1B side light article load support portions 13a which are shorter than the length which can be supported by all the forks 29a to 29c in the load transfer means 18 of the light article loading / unloading train 11 are stored. And a large-sized load supporting portion for accommodating a long and light object having the same length as the maximum length of the heavy object.

When handling loads of different lengths as described above, the loads are loaded from the transport train 5 onto the loading transfer device 4 at the center of the fork 30c at the time of loading the loads. It is necessary to transfer so that the position is located. Therefore, as shown in FIG. 7, it is desirable that the storage transfer device 4 be provided with a centering means 40 for centering the load at the center position in the fork parallel direction. As the centering means 40, conventionally known various means can be used. For example, as shown in the figure, a pair of laterally moving members 42a supported by an upper frame (or a lower frame) 41 so as to be movable in the fork parallel direction are used. , 42b and the load pressing and holding members 43a, 43b supported by the two laterally moving members 42a, 42b.
43b and the rack gear portions 44a, 44b provided on both the laterally moving members 42a, 42b simultaneously engage with the two laterally moving members 42a, 44b.
and a drive pinion gear 45 for forcibly moving a and 42b in the opposite directions by the same amount.
0 is available.

According to the centering means 40, after the load is transferred from the transport train 5 onto the forks 30a to 30e, the driving pinion gear 45 is driven to rotate forward, and the driving pinion gear 45 is driven through the two laterally moving members 42a and 42b. And a pair of load pressing and holding members 43
a, 43b are linked to each other in a direction approaching each other. As a result, the two load pressing and holding members 43a and 43b press and hold the load from both the left and right sides, and perform centering regardless of the load width.

In the above embodiment, the lifting / lowering transport device is divided into the loading / lowering transporting device 3 and the lifting / lowering transporting device 7, and the transfer device is divided into the loading transfer device 4 and the loading transfer device 8
However, it is also possible to provide an ascending / descending transport device and a transfer device which are also used for loading and unloading. In addition, the loading / unloading elevating / conveying devices 3 and 7 and the loading / unloading transfer devices 4 and 8 are provided with a device dedicated to transferring heavy goods to and from the heavy goods loading / unloading train 10, and a light loading / unloading device. It is also possible to divide it into a device dedicated to light-weight objects that transfers cargo to and from the train 11. Although the so-called running fork type is shown as the load transfer means, any other type of load transfer means may be used.

[0025]

As described above, according to the automatic warehouse of the present invention, the loading / unloading operation of the heavy goods to the lower area of the shelf is performed by the heavy goods loading / unloading train, and the light weight of the light goods to the upper area of the shelf is moved. The loading / unloading work can be performed by a light-weight loading / unloading train, and heavy loads can be loaded / unloaded by individual loading / unloading means corresponding to the level of each stage support in the lower area of the shelf. Objects are loaded and unloaded by a single loading / unloading means that can be moved up and down to a level corresponding to each of the load supports in the upper region of the shelf. The loading / unloading means for selecting the entry / exit level while keeping the traveling speed of the exit train low is unnecessary, and as a result, the work can be performed relatively efficiently, and the loading / unloading work for lightweight objects can be performed. In addition, the speed of the entry / exit train is increased because the load is a light-weight object with a small load. The lifting movement of the lifting carriage there can be performed at high speed, again performed very efficiently working.

As described above, according to the automatic warehouse of the present invention, both of the heavy and light objects can be loaded and unloaded by the dedicated entrance / exit trains, respectively. It was possible to leave the warehouse.

In particular, as shown in the embodiment, beside the traveling path of the train, it is connected to each stage loading / unloading means of the heavy goods loading / unloading train and one load transferring means of the lightweight goods loading / unloading train. A loading / unloading elevating / conveying device provided with a loading / unloading platform that can be stopped at a plurality of levels is provided. When any of the transfer means is provided with a load supporting means for both heavy goods and light goods, which can carry out the delivery of goods, a lifting / lowering transport device for loading / unloading of the heavy goods loading / unloading train and a lifting / lowering for loading / unloading of the light goods loading / unloading train. The equipment cost can be reduced as compared with the case where the transfer device and the transfer device must be separately provided.

In this case, as a load supporting means on the lifting platform in the loading / unloading lifting / lowering apparatus, a plurality of rows of three or more rows of fork elevating / lowering spaces formed in parallel in a direction perpendicular to the load transfer direction. And a plurality of rows of movable forks provided on a lift frame capable of moving up and down by a delivery stroke are provided in each stage load transfer means of the heavy goods loading / unloading train. Is disposed at a position corresponding to at least one or each of a plurality of fork egress / removal spaces in the left and right sides of the fork egress / removal elevating space on the elevating carrier in the loading / unloading elevating / conveying device. A fork that can move in and out is provided as a load transfer means of the loading / unloading train, and the fork is located in a central area of a fork elevating / lowering space on a lifting platform in the in / out elevator transport device. One or more When placed at the position corresponding to the fork egress / retraction space, both long heavy objects and short lightweight objects are stable by the common entrance / exit elevator transportation device between each entry / exit train. Can be transferred to Forking.

Further, a loading / unloading transfer device is disposed on a side of the loading / unloading lifting / lowering transport device opposite to the side of the train traveling path, and the loading / unloading loading / unloading loading / unloading transport device in the loading / unloading lifting / lowering transport device is provided on the transfer device. By providing a plurality of movable forks arranged side by side at the positions corresponding to all the upper fork elevating and lowering spaces,
Either a long heavy object or a short light object can be stably forked and transferred to and from the loading / unloading elevating / conveying device. By providing the storage transfer device with a centering means for centering the load at the center position in the fork parallel direction, it is possible to easily supply loads of different lengths to the storage transfer device. Of course, a transport train that can be stopped at a position adjacent to the loading / unloading transfer device is provided, and on the train, load supporting means having the same structure as the load supporting means on the lifting platform in the loading / unloading vertical transport device. By using the common transportation train, it is possible to carry in a heavy or light object to the automatic warehouse and to carry out a heavy or light object discharged from the automatic warehouse.

[Brief description of the drawings]

FIG. 1 is a schematic plan view showing the entire configuration.

FIG. 2 is a side view showing a shelf on one side, a heavy goods entry / exit train, and a lightweight article entry / exit train.

FIG. 3 is a longitudinal sectional front view showing shelves on both sides, a heavy goods entry / exit train, and a lightweight article entry / exit train.

FIG. 4 is a longitudinal sectional front view showing each entry / exit train, an elevating / lowering transport device, and a transfer device.

FIG. 5 is a cross-sectional plan view at the level of a heavy goods entry / exit train on the entry side.

FIG. 6 is a cross-sectional plan view at the level of the light-weight entry / exit train on the exit side.

FIG. 7 is a side view showing another embodiment of the storage transfer device.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1A shelf 1B shelf 2 Train traveling passage 3 Elevating transportation device for entrance 4 Transfer device for entrance 5 Transportation train 7 Elevating transportation device for exit 8 Departure transfer device 10 Heavy goods entrance / exit train 11 Lightweight entrance / exit train Reference Signs List 12 Lower area for storing heavy goods on shelf 12a Load support for heavy goods 13a Upper area for storing light goods on shelf 13a Support for light goods 15a Heavy load transfer means 15b Heavy load transfer means 18 Light-weight load transfer means 19 Lifting carriage 21 Lifting platform 22a to 22e Fork egress and retraction space 23 Load support 24 Load support means 27 Lifting frame 28a to 28d Fork 29a to 29c Fork 30a to 30e Fork 31 Lifting table 32a to 32e Fork egress and retraction space 33 Load support 34 Load support means 35a to 35d Fork egress and retraction space 36 Load support 38a to 38c Forks projecting and retracting the lift space 39 load support member 40 centering means

Claims (6)

(57) [Claims] An automatic warehouse comprising a shelf (1A, 1B), a heavy goods loading / unloading train (10), and a lightweight goods loading / unloading train (11), wherein the shelf (1A, 1B) has a weight It is divided into a lower area for storing goods (12) and an upper area for storing light goods (13), and the heavy goods loading / unloading train (10) can travel along the lower area (12) of the shelf, Each stage load support section (12a) in the lower region is provided with a plurality of upper and lower stages of load transfer means (15a, 15b) respectively corresponding to each other, and the light goods loading / unloading train (11) is provided in the upper region of the shelf ( 13) is provided with a lifting carriage (19) having one load transfer means (18), and one load transfer means (18) is placed on the upper side of the shelf by raising and lowering the lift carriage (19). An automated warehouse that can correspond to any level of load support (13a) in the area (13). 2. An elevator car (3, 7) for loading and unloading provided on the side of a train traveling passage, wherein the elevator transporting apparatus (3, 7) is provided with each of the heavy goods loading and unloading trains (10). A loading / unloading platform (21) which can be stopped at a plurality of levels connected to the step loading / unloading means (15a, 15b) and the loading / unloading means (18) of the light goods loading / unloading train (11); 21) is a means for transferring each stage of the heavy goods loading / unloading train (10).
5a, 15b), and both the load transfer means (18) of the light-loading and unloading train (11) are provided with load support means (24) for both heavy and light-weight goods capable of delivering and receiving goods. Automatic warehouse described. 3. The loading support means (24) on the lifting platform (21) in the loading / unloading lifting / lowering transport device (3, 7) comprises three or more rows of fork outlets in a direction perpendicular to the load transfer direction. Retreat space (22a ~ 22e)
A plurality of rows of load supports (23) that are formed in parallel with each other, and each stage load transfer means (15a, 15b) of the heavy goods loading / unloading train (10)
Is a plurality of rows of forks (28a to 28d) that are movable in and out of the elevator frame (27) that can be moved up and down by a load delivery stroke.
The forks (28a to 28d) are at least left and right sides of the fork egress / retreat elevating space (22a to 22e) on the elevating loading platform (21) in the loading / unloading elevating / conveying device (3, 7). One or more fork elevating spaces (22a, 22b, 2
2d, 22e), and the load transfer means (18) of the light-loading / shipping train (11) is composed of forks (29a to 29c) which can move in and out, and the forks (29a to 29c).
29c) is the lifting platform in the loading / unloading transport device (3,7)
(21) One or more fork elevating / lowering spaces (22b, 2) in the central area of the fork elevating / lowering spaces (22a to 22e)
The automatic warehouse according to claim 2, wherein the automatic warehouse is arranged at a position corresponding to (2c, 22d). And a loading / unloading transfer device (4, 8) disposed on a side of the loading / unloading elevating / lowering transport device (3, 7) opposite to the side of the train traveling passage. , 8) is a vertical transportation device
A plurality of movable forks (30a to 30e) arranged side by side at positions corresponding to all the fork egress / removal elevating spaces (22a to 22e) on the elevating loading platform (21) in (3, 7). Claim 3 comprising
Automatic warehouse described in. 5. A centering means for centering a load at a center position in the fork parallel direction, wherein the loading transfer device (4) is provided.
5. The automatic warehouse according to claim 4, further comprising (40). A transportation train (5) that can be stopped at a position adjacent to the loading / unloading transfer device (4, 8), and the loading / unloading elevating transportation device (3) is provided on the train (5). , Loading platform at (7)
The automatic warehouse according to claim 4 or 5, further comprising a load supporting means (34) having the same structure as the upper load supporting means (24).