WO2022202212A1 - 物品昇降用の昇降装置 - Google Patents
物品昇降用の昇降装置 Download PDFInfo
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- WO2022202212A1 WO2022202212A1 PCT/JP2022/009355 JP2022009355W WO2022202212A1 WO 2022202212 A1 WO2022202212 A1 WO 2022202212A1 JP 2022009355 W JP2022009355 W JP 2022009355W WO 2022202212 A1 WO2022202212 A1 WO 2022202212A1
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- WIPO (PCT)
- Prior art keywords
- lifting
- elevating
- unit
- platform
- article
- Prior art date
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- 230000007246 mechanism Effects 0.000 claims abstract description 80
- 230000003028 elevating effect Effects 0.000 claims description 130
- 230000006870 function Effects 0.000 description 10
- 238000009434 installation Methods 0.000 description 6
- 238000012545 processing Methods 0.000 description 6
- 238000010586 diagram Methods 0.000 description 5
- 230000004048 modification Effects 0.000 description 5
- 238000012986 modification Methods 0.000 description 5
- 230000032258 transport Effects 0.000 description 4
- 238000012856 packing Methods 0.000 description 3
- 238000005192 partition Methods 0.000 description 3
- 238000012546 transfer Methods 0.000 description 3
- 230000005540 biological transmission Effects 0.000 description 2
- 229940079593 drug Drugs 0.000 description 2
- 239000003814 drug Substances 0.000 description 2
- 235000013361 beverage Nutrition 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 230000008602 contraction Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 239000000463 material Substances 0.000 description 1
- 238000000034 method Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 230000007723 transport mechanism Effects 0.000 description 1
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
- B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
- B65G1/00—Storing articles, individually or in orderly arrangement, in warehouses or magazines
- B65G1/02—Storage devices
- B65G1/04—Storage devices mechanical
- B65G1/06—Storage devices mechanical with means for presenting articles for removal at predetermined position or level
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/02—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms suspended from ropes, cables, or chains or screws and movable along pillars
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B66—HOISTING; LIFTING; HAULING
- B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
- B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
- B66F7/06—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported by levers for vertical movement
- B66F7/065—Scissor linkages, i.e. X-configuration
- B66F7/0666—Multiple scissor linkages vertically arranged
Definitions
- the present invention relates to a lifting device for lifting and lowering an article, which is provided in a storeroom or the like and lifts and lowers an article placed on it.
- Patent Document 1 discloses a storage device (hereinafter referred to as a "storage box").
- This storage has two storage shelves each having a plurality of storage units for storing articles and facing each other with a space therebetween; and an article conveying device (hereinafter referred to as an “elevating device”) that lifts and lowers articles (more specifically, containers in which articles are placed) in an area between two storage shelves.
- the lifting device in this storage also has a function of moving items left and right and back and forth, and transports items between designated storage units and working units.
- the lifting device disclosed in Patent Document 1 has a lifting platform that can be lifted and lowered in the area between two storage shelves, and a wire-driven lifting mechanism that lifts and lowers the lifting platform.
- This elevating mechanism has an elevating guide section that guides the elevating table so as to be movable in the elevating direction (vertical direction).
- the lifting guide portion has a height approximately equal to the height of the entire storage shelf, and is formed so that the lifting platform can be lifted and lowered over substantially the entire height of the storage shelf.
- the lifting device is pre-assembled as a finished product in a factory or the like, and then installed at the installation location.
- an object of the present invention is to provide an elevating device that is excellent in portability.
- a lifting device for lifting articles includes a first lifting unit and a second unit arranged above the first lifting unit.
- the first elevating unit includes a base, a first elevating platform positioned above the base, and a first elevating platform provided between the base and the first elevating platform for raising and lowering the first elevating platform. and a mechanism.
- the second elevating unit has a second elevating table positioned above the first elevating table, and a second elevating mechanism for elevating the second elevating table.
- the elevating device includes a base, a first elevating table positioned above the base, and elevating the first elevating table provided between the base and the first elevating table.
- a first elevating unit having a first elevating mechanism that allows the first elevating unit to move up and down; a second elevating platform that is disposed above the first elevating unit and positioned above the first elevating platform; and that elevates the second elevating platform and a second lifting unit having a second lifting mechanism. Therefore, in the lifting device, the first lifting unit and the second lifting unit can be vertically divided from each other. Since these units are divided into units each equipped with an elevator (first elevator, second elevator) and elevator mechanism (first elevator mechanism, second elevator mechanism), individual assembly is required.
- the first lifting unit and the second lifting unit can be divided vertically from each other, and by individually transporting these units in a state of being transported, the packing style during transport can be reduced.
- the dimension in the height direction can be kept low, and the transportability can be easily improved. In this way, it is possible to provide an elevating device that is excellent in portability.
- FIG. 1 is a perspective view of a storeroom including a lifting device according to a first embodiment of the present invention; FIG. It is a figure for demonstrating the internal structure of the said storage.
- 1 is a perspective view of a portable tray (tray) on which the article is placed; FIG. It is a side view of the said tray. It is a figure for demonstrating the structure of the door mechanism of the said storage.
- It is a front view of the said raising/lowering apparatus. It is a front view of the 1st raising/lowering unit of the said raising/lowering apparatus. It is a side view of a said 1st raising/lowering unit. It is a partial sectional view of the said 1st raising/lowering unit.
- FIG. 4 is a perspective view of a holder of the second lifting unit; It is a perspective view which shows an example of the usage condition of the said holding body. 4 is a cross-sectional view of a vertical frame of the lifting unit; FIG. 3 is a block diagram showing a schematic configuration of a control system of the storage; FIG. It is a front view for demonstrating the raising/lowering apparatus which concerns on 2nd Embodiment of this invention. It is a front view for demonstrating the modification of the raising/lowering apparatus of the said 2nd Embodiment.
- FIG. 18 is a perspective view of the storage including the lifting device shown in FIG. 17;
- FIG. 1 is a perspective view of a storage 1 including a lifting device 8 for lifting articles according to an embodiment of the present invention
- FIG. 2 is a conceptual diagram for explaining the internal structure of the storage 1 for articles. be. Most of FIG. 2 is shown as a schematic vertical cross-sectional view taken along line AA shown in FIG. Shown as a side view for clarity.
- the storage warehouse 1 is configured to carry in and store a plurality of articles P and to carry out the stored plurality of articles P.
- an appropriate type of article such as medicines, electronic parts, mechanical parts, books, stationery, tools, beverages in containers, and food can be employed.
- the storage 1 is installed, for example, in the building of a pharmacy, and is used as a storage for inventory management of commodities (items P) such as medicines to be sold.
- a store clerk is a user of the storage box 1, and the user takes in and out of the storage box 1, such as loading and unloading the items P from the storage box 1.
- the installation location and usage of the storage 1 are not limited to this. It can be used in appropriate applications (modes of use).
- the user accesses the storage 1 from the front side of the storage 1 in the front-rear direction.
- the front, rear, left, right, and upper and lower directions are shown in the drawings as appropriate, and the left and right directions are shown as viewed from the side of the user standing in front of the storage 1 .
- the articles P are stored in a state of being placed on a portable tray T, for example. Then, the article P is transported while being placed on the tray T within the stocker 1 .
- Fig. 3 is a perspective view of the tray T
- Fig. 4 is a side view of the tray T.
- the tray T has a plate-like main body Ta on which the article P is placed.
- the main body Ta is, for example, rectangular in plan view.
- Protrusions Tb that protrude downward are formed at both the front and rear ends of the lower surface of the main body Ta.
- the storage 1 includes a box 2, a storage shelf 3 for storing articles P, a work station 4 provided in a part of the storage shelf 3, a door mechanism 5 provided in the work station 4, and a first elevating unit. It has a lifting device 8 for lifting and lowering an article P, which consists of a unit 6 and a second lifting unit 7, for lifting and lowering an article P within the box body 2, and a control unit 9 that controls the operation of the entire apparatus.
- the lifting device 8 has a function of moving the article P to the left and right and back and forth in addition to the function of raising and lowering the article P, and is used as a device for conveying (transferring) the article P within the box 2. be done.
- the box 2 is formed in a rectangular parallelepiped shape and constitutes the housing of the device.
- each device constituting the device is arranged.
- the box 2 has exterior panels comprising a front panel 2a, a rear panel 2b, a left panel 2c, a right panel 2d, an upper panel 2e, and a bottom panel 2f.
- a frame member (not shown) is provided inside the exterior panel, and the box body 2 is composed of the exterior panel and the frame member.
- the storage shelf 3 is a shelf that is arranged along the lifting device 8 and on which the articles P lifted and lowered by the lifting device 8 are placed.
- the storage rack 3 stores articles P placed on trays T, and is configured to be able to store a plurality of articles P (more specifically, a plurality of trays T each having an article P placed thereon).
- the storage racks 3 are arranged on the front panel 2a side and the rear panel 2b side in the box body 2, respectively.
- a device 8 is arranged in the area between the two storage shelves 3 .
- Each storage shelf 3 includes a plurality of (12 stages in the drawing) shelf boards 31 arranged at intervals in the vertical direction and extending in the left-right direction, and each shelf board 31 is arranged at intervals in the left-right direction and arranged vertically. and a plurality of partition plates 32 extending in the direction.
- a plurality of article placement chambers 3a arranged vertically and horizontally are formed by members (shelf plates 31, partition plates 32, etc.) that constitute the storage shelf 3, and articles P ( Tray T) can be placed.
- Each article placement chamber 3a is formed in a substantially rectangular tubular shape extending in the front-rear direction.
- each stage of the storage shelf 3 is provided with six article placement chambers 3a.
- the work station 4 is used by the user to put in and take out the goods P such as entering and leaving the goods P in the storage warehouse 1 .
- the work station 4 is configured using a part of the storage shelf 3 on the front side (front panel 2a side, user side).
- the work station 4 is located, for example, in the third to sixth stages from the bottom of the plurality of article placement chambers 3a of the storage shelf 3 on the front side.
- the fourth shelf board 31 has a predetermined height set in consideration of the workability of the user (worker) (for example, the height from the floor to about the average waist height of an adult). (approximately 1.3m high).
- a plurality of article placement chambers 3a arranged in six rows on the left and right by two stages on the fourth and fifth stages are used for loading and unloading the articles P. As shown in FIG.
- Panel openings 2a1 which are elongated in the left-right direction, are provided in portions of the front panel 2a corresponding to the article placement chambers 3a on the fourth and fifth tiers.
- the fourth and fifth article placement chambers 3 a are accessible from both the user and the lifting device 8 .
- the first opening W1 which is the opening on the lifting device 8 side
- the second opening W2 which is the opening on the user side
- the article placement chamber 3a are opened and closed by the door mechanism 5, as will be described later. is configured as
- the article placement chambers 3a on the third and sixth stages of the storage shelf 3 on the front side are not used for placing articles, but are used as spaces for configuring the work station 4 and the door mechanism 5. As shown in FIG.
- first article placement chambers 3a1 see FIG. 1 and FIG. 5, which will be described later
- chamber 3a2 see FIG. 5
- the door mechanism 5 opens and closes the first opening W1 and the second opening W2 in the first article placement chamber 3a1 and the second article placement chamber 3a2.
- the door mechanism 5 is in a first state in which the first opening W1 of each first article placement chamber 3a1 is closed and the second opening W2 of each second article placement chamber 3a2 is closed (see FIGS. 1 and 5). and a second state in which the first opening W1 of each second article placement chamber 3a2 is closed and the second opening W2 of each first article placement chamber 3a1 is closed. Therefore, in the work station 4, in the first state, the lifting device 8 can access the second article placement chambers 3a2 on the right half side, and the user can access the first article placement chambers on the left half side. 3a1 can be accessed, and in the second state, the lifting device 8 can access each first article placement chamber 3a1 on the left half side, and the user can access each second article placement chamber on the right half side. 3a2 is accessible.
- FIG. 5 is a conceptual diagram for explaining the structure of the door mechanism 5.
- the door mechanism 5 includes a first door 51 that opens and closes the first opening W1, a second door 52 that opens and closes the second opening W2, the first door 51 and the second door and a door driving portion 53 for driving 52 .
- the first door body 51 and the second door body 52 are supported so as to be movable in the left-right direction at positions separated from each other in the front-rear direction.
- the first door 51 is positioned between the front storage shelf 3 and the lifting device 8
- the second door 52 is positioned between the front panel 2a and the front storage shelf 3.
- the first door body 51 closes the first opening W1 in each first article placement chamber 3a1, and in the second state, the first door body 51 closes each first article placement chamber 3a1. It is configured to close the first opening W1 in the second article placement chamber 3a2.
- the door mechanism 5 is configured such that the second door member 52 operates in a manner opposite to that of the first door member 51 in each of the first state and the second state.
- the door drive unit 53 is configured as a rack-and-pinion drive unit that moves the first door member 51 and the second door member 52 in synchronization with each other. is arranged in the space between the shelf board 31 of the Specifically, the door driving portion 53 includes a first rack gear portion 531 attached to the first door body 51, a second rack gear portion 532 attached to the second door body 52, the first rack gear portion 531 and the second rack gear portion 531.
- the partition plate 32 is not provided in the center portion of the sixth shelf plate 31 in the work station 4 in the left-right direction.
- the door driving portion 53 rotates the pinion gear portion 533 by the door driving motor M5, thereby rotating the first rack gear portion 531 fixed to the first door body 51 and the second rack gear portion fixed to the second door body 52. 532 is moved left and right. As a result, the first door member 51 and the second door member 52 move toward opposite sides in the left-right direction.
- the elevating device 8 is a device for elevating the article P placed on it (here, the tray T on which the article P is placed).
- the lifting device 8 is arranged between the two storage racks 3 and used as a device for conveying (transferring) the articles P within the box 2 . Therefore, the lifting device 8 has a function of moving the article P left and right and front and rear in addition to the function of raising and lowering the article P.
- the lifting device 8 conveys the articles P (trays T) by transferring the articles P (trays T) between the article placement chambers 3a (3a1, 3a2) of the work station 4 and the remaining article placement chambers 3a. is configured to
- FIG. 6 is a front view of the lifting device 8.
- the elevating device 8 is composed of a first elevating unit 6 and a second elevating unit 7 arranged above the first elevating unit 6, and is configured to be vertically divisible in units of these units.
- the box 2 and each storage shelf 3 are also configured to be vertically divisible (see FIG. 1).
- the division position of the box 2 and each storage shelf 3 is not particularly limited, it may be approximately in the middle of the vertical direction of the storage shelf 3 (for example, corresponding to the upper surface of the seventh shelf board 31 in the storage shelf 3). height position).
- FIG. 7 is a front view of the first lifting unit 6,
- FIG. 8 is a right side view of the first lifting unit 6, and
- FIGS. 4 is a partial cross-sectional view of the first elevating unit 6 taken along line -C, line DD, and line EE.
- FIG. 1 is a front view of the first lifting unit 6,
- FIG. 8 is a right side view of the first lifting unit 6,
- FIGS. 4 is a partial cross-sectional view of the first elevating unit 6 taken along line -C, line DD, and line EE.
- the first elevating unit 6 has a base 61 , a first elevating table 62 , and a first elevating mechanism 63 .
- the second lifting unit 7 has a base plate 71 , a second lifting table 72 , and a second lifting mechanism 73 .
- each unit (6, 7) that can be divided into upper and lower parts includes a lifting platform (first lifting platform 62, second lifting platform 72) and a lifting mechanism (first lifting mechanism 63, second lifting mechanism 63) that lifts and lowers the lifting platform, respectively. It has a lifting mechanism 73).
- the base 61 forms the bottom of the entire lifting device 8.
- the base 61 is formed in a rectangular shape elongated in the horizontal direction of the storage shelf 3 in plan view from above.
- the base 61 is arranged along the rear end surface of the storage shelf 3 on the front side and the front end surface of the storage shelf 3 on the rear side so that the long sides thereof extend in the left-right direction of the storage shelf 3 . It has a length in the left-right direction (that is, a long side) that is approximately the same as the length in the left-right direction of .
- the first lifting table 62 is located above the base 61 and constitutes the uppermost part of the first lifting unit 6 .
- the first lifting table 62 is formed in a rectangular shape having an outer shape approximately the same as that of the base 61 in a plan view viewed from above.
- the first elevating mechanism 63 is arranged between the base 61 and the first elevating table 62 to elevate the first elevating table 62 .
- the first elevating mechanism 63 is a pantograph type elevating mechanism, and supports the first elevating table 62 from below while maintaining the first elevating table 62 parallel to the base 61 . to move up and down.
- the first elevating mechanism 63 drives at least one pantograph arm unit 63A that constitutes an X-shaped link arm mechanism that connects the base 61 and the first elevating table 62, and the pantograph arm unit 63A. and an arm driving portion 63B that allows the arm to move.
- the first elevating mechanism 63 has two pantograph arm units 63A vertically, and the lower end of the upper pantograph arm unit 63A is connected to the upper end of the lower pantograph arm unit 63A.
- Each pantograph arm unit 63A consists of, for example, two pantograph arms 631 separated from each other on one long side and the other long side of the base 61 .
- the two pantograph arms 631 in each pantograph arm unit 63A are spaced apart from each other in the front-rear direction within the storage 1 .
- Each pantograph arm 631 constitutes an X-shaped link member in which an outer arm 632 and an inner arm 633 are rotatably connected to each other in an X-shape.
- the pantograph arm unit 63A is configured such that the crossing angle between the outer arm 632 and the inner arm 633 of itself is changed by the arm drive section 63B, so that the base 61 and the first lift table 62 are vertically expanded and contracted. is placed between
- each pantograph arm unit 63A one pantograph arm 631 and the other pantograph arm 631 are connected by an intermediate connecting shaft 634.
- One end of the intermediate connecting shaft 634 is connected to the intersecting portion of the outer arm 632 and the inner arm 633 of one of the pantograph arms 631 (approximately central portion of each longitudinal direction), and the other end of the intermediate connecting shaft 634 is connected to the other end of the pantograph arm 631. It is connected to the intersection of the outer arm 632 and the inner arm 633 of the pantograph arm 631 .
- the upper end of each outer arm 632 in the lower pantograph arm unit 63A is rotatably connected to the lower end of the corresponding inner arm 633 in the upper pantograph arm unit 63A.
- each inner arm 633 is rotatably connected to the lower end of the corresponding outer arm 632 in the upper pantograph arm unit 63A.
- the upper ends of the two inner arms 633 of the lower pantograph arm unit 63A are connected by a right connecting shaft 635, and the lower ends of the two inner arms 633 of the upper pantograph arm unit 63A are connected by a left connecting shaft 636. Concatenated.
- each outer arm 632 rotates to a lower support piece 611 provided so as to protrude from the inside of one short side (the right side in the drawing) of the base 61. supported as possible.
- the lower end portions of the two inner arms 633 in the lower pantograph arm unit 63A are connected to each other by a lower slide shaft portion 637, and each end portion of the lower slide shaft portion 637 passes through the inner arm 633 and extends into the inner arm. It protrudes outward from 633.
- a concave lower guide groove 612 is formed on the inner wall of the long side of the base 61 over the entire long side.
- the lower ends of the inner arms 633 of the lower pantograph arm unit 63A are guided by the lower slide shafts 637 and the lower guide grooves 612 so as to be movable in the extending direction of the long side of the base 61 . , is connected to the base 61 .
- each inner arm 633 rotates to an upper support piece 621 provided to protrude from the inside of one short side (the right side in the figure) of the first platform 62. supported as possible.
- the upper end portions of the two outer arms 632 in the upper pantograph arm unit 63A are connected to each other by an upper slide shaft portion 638, and each end portion of the upper slide shaft portion 638 passes through the outer arms 632 that are connected to each other. It protrudes outward from the outer arm 632 .
- a concave upper guide groove 622 is formed on the inner wall of the long side of the first elevator platform 62 over the entire long side.
- each outer arm 632 of the upper pantograph arm unit 63A is guided by the upper slide shaft 638 and the upper guide groove 622 so as to be movable in the extending direction of the long side of the first platform 62 . , and is connected to the first lifting platform 62 .
- the arm driving section 63B moves (rotates) the outer arm 632 and the inner arm 633 so as to change the crossing angle between the outer arm 632 and the inner arm 633 in the pantograph arm unit 63A, thereby causing the pantograph arm unit 63A to move. is expanded and contracted in the vertical direction.
- the arm driving portion 63B has a fixed portion 63B1 having an end rotatably connected to the base 61, and a fixed portion 63B1 having an end rotatably connected to a predetermined portion of the pantograph arm unit 63A. and a movable portion 63B2 that is relatively movable with respect to.
- the arm driving section 63B is configured as a hydraulically driven driving section, and is composed of a hydraulic cylinder that can be extended and retracted by hydraulic pressure.
- the fixed portion 63B1 is rotatably connected to a fixed-side support piece 613 that protrudes so as to be positioned between the two lower-side support pieces 611 on one short side (the right side in the figure) of the base 61. It consists of a cylindrical cylinder part having one end that is curved.
- the fixing portion 63B1 is positioned between the lower ends of the two outer arms 632 of the lower pantograph arm unit 63A.
- the movable portion 63B2 is composed of a rod portion that is slidably guided within the fixed portion 63B1 and moves relative to the fixed portion 63B1 by hydraulic pressure.
- One end of the rod portion is slidably supported in the fixed portion 63B1, and the other end portion of the rod portion is provided between the two inner arms 633 of the lower pantograph arm unit 63A.
- It is rotatably connected to the connecting shaft 639 .
- the drive connecting shaft 639 is located between the intermediate connecting shaft 634 and the right connecting shaft 635 in the lower pantograph arm unit 63A, and is positioned closer to the intermediate connecting shaft 634 side. It extends in parallel and connects the two inner arms 633 together.
- FIG. 10 is a front view of the second elevating unit 7
- FIG. 11 is a longitudinal sectional view of the second elevating unit 7 taken along line FF shown in FIG.
- the second elevating unit 7 includes the base plate 71, the second elevating table 72 positioned above the first elevating table 62, and the second elevating mechanism 73 for elevating the second elevating table 72, as described above.
- the second lifting unit 7 is mounted on the first lifting table 62 of the first lifting unit 6 (see FIG. 6). Therefore, the second elevating unit 7 is configured so that the entirety thereof can be vertically elevated by the first elevating unit 6 .
- the base plate 71 forms the bottom of the second elevating unit 7.
- the base plate 71 is formed in the same shape as the base 61 and the first elevator table 62 of the first elevator unit 6 in a plan view viewed from above, and is fixed to the upper surface of the first elevator table 62 .
- the second elevating table 72 is positioned above the base plate 71, on which the article P (more specifically, the tray T on which the article P is placed) is placed and supported so as to be vertically movable. .
- the second lifting table 72 is provided with the function of moving the above-described article P in the lifting device 8 to the left and right and to the front and back.
- the second elevator platform 72 has a holding body 74 having a function of moving the article P in the front-rear direction, a fixing plate 75 , a second elevator platform main body 76 , and a lateral movement mechanism 77 . 2, 6, 10 and 11, the holder 74 is shown in simplified form.
- FIG. 12 is a perspective view of the holder 74
- FIG. 13 is a perspective view showing an example of how the holder 74 is used.
- the holding body 74 has a function of placing an article P (tray T) and moving the article P (tray T) placed thereon in the front-rear direction.
- the holder 74 includes a holder main body 741, a left holder 742 provided at the left end of the upper portion of the holder main body 741, a right holder 743 provided at the right end of the upper portion of the holder main body 741, and a holder main body. and a main body support portion 744 that supports 741 from below.
- the holder main body 741 has a left housing 741a and a right housing 741b.
- An endless belt 745 is provided between the top of the left housing 741a and the top of the right housing 741b.
- the endless belt 745 is stretched over a pair of front and rear drums 746, 746 extending in the left-right direction, respectively, between the left housing 741a and the right housing 741b.
- a belt drive motor M ⁇ b>1 (see FIG. 15 ) for rotating one drum 746 is provided inside the holder body 741 .
- the endless belt 745 is provided with a plurality of ridges 745a.
- the left holding part 742 and the right holding part 743 are provided so as to protrude outward from the upper end of the holding body main body 741, and have surfaces with which the lower surface of the tray T abuts.
- the upper running portion of the endless belt 745 runs forward or backward depending on the rotation direction of one drum 746 .
- the ridges 745a move forward or rearward in accordance with this running, one of the plurality of ridges 745a abuts the front projection Tb or the rear projection Tb of the tray T. As shown in FIG. As a result, the tray T moves forward or backward on the holder 74 .
- the holder main body 741 is guided by a holder guide groove portion 744b so as to be movable in the front-rear direction.
- the holder 74 is provided with a front-rear drive mechanism for moving the holder main body 741 in the front-rear direction.
- the back-and-forth drive mechanism includes a Z drive motor M4 (see FIG. 15) provided in the holder main body 741, a pinion gear portion 747 rotationally driven by the Z drive motor M4, and a main body support portion 744.
- a rack gear portion extending in the front-rear direction on the inner wall of the holder guide groove portion 744b and having a gear meshing with the pinion gear portion 747 is provided.
- the holding body main body 741 moves forward or backward as the pinion gear portion 747 is rotated by the Z drive motor M4.
- the protruding portion 745a of the endless belt 745 moves toward the projecting portion Tb of the tray T placed in the article placement chamber 3a of the storage shelf 3.
- the tray T is drawn toward the holder main body 741 side.
- the tray T drawn toward the holder main body 741 side is placed on the left holding portion 742 and the right holding portion 743, whereby the articles P are transferred from the article placement chamber 3a to the holder 74.
- the belt drive motor M1 is driven while the holder main body 741 is brought closer to the storage shelf 3 by driving the Z drive motor M4.
- the tray T is transferred to the article placement chamber 3a.
- the fixing plate 75 is a plate to which the holder 74 is fixed.
- the fixing plate 75 is formed of a member extending in the left-right direction and having a U-shaped cross section with a downward opening, and the holding body 74 is fixed to the upper portion thereof.
- Two first rollers 751 separated from each other in the front-rear direction are provided on the front surface of the front side wall and the rear surface of the rear side wall in the portion of the fixed plate 75 that protrudes downward from the bottom surface of the holder 74 . It is attached so as to be rotatable around an extended central axis.
- the second elevator table main body 76 is a member that extends in the left-right direction parallel to the fixing plate 75 and constitutes the main structural body of the second elevator table 72 .
- the second platform main body 76 is composed of a bottom wall portion 761 facing the fixing plate 75 and side wall portions 762 provided at the front and rear ends of the bottom wall portion 761 .
- An inner wall of each side wall portion 762 is formed with a lateral guide groove 763 in which two first rollers 751 attached to the fixed plate 75 are guided so as to be movable in the left-right direction.
- the lateral movement mechanism 77 is a mechanism that moves the holder 74 in the left-right direction.
- the lateral movement mechanism 77 is arranged, for example, in the second elevator main body 76, and includes a pair of left and right pulleys 771, 771 and an X drive belt 772 stretched between the pair of left and right pulleys 771, 771. , and an X drive motor M2 for rotationally driving one pulley 771 of the pair of left and right pulleys 771, 771.
- a belt fixing piece 752 projecting from the fixing plate 75 is fixed at a predetermined position in the circumferential direction of the X driving belt 772 .
- the fixed plate 75 fixed to the X drive belt 772 moves in the lateral direction along the lateral guide groove 763 of the second platform main body 76.
- the holder 74 on the fixed plate 75 in other words, the article P (tray T) moves in the left-right direction.
- the second elevating mechanism 73 is a mechanism for elevating the second elevating platform 72 .
- the second elevating mechanism 73 faces the support plate 731 that supports the second elevating platform 72 with a gap in the direction orthogonal to the elevating direction of the second elevating platform 72 (horizontal direction in the drawing). It has a pair of vertical frames 732 , 732 and is an elevating mechanism that elevates the second elevator 72 along the pair of vertical frames 732 , 732 between the pair of vertical frames 732 , 732 .
- the support plate 731 is attached to each of the left and right (longitudinal) ends of the second elevator platform 72 (more specifically, the second elevator platform main body 76).
- the left and right support plates 731 support the second platform 72 (second platform main body 76 ) in a posture parallel to the base plate 71 .
- the support plate 731 is formed, for example, in an L shape and is attached so as to cover the left and right ends of the second platform main body 76 .
- Four second rollers 733 are attached to each support plate 731 so as to be rotatable around a central axis projecting outward in the left-right direction.
- Each vertical frame 732 extends perpendicularly to the upper surface of the base plate 71 , and its lower end is fixed to the left-right end of the upper surface of the base plate 71 .
- FIG. 14 is a cross-sectional view of the vertical frame 732 along line GG shown in FIG.
- the right side of the left vertical frame 732 and the left side of the right vertical frame 732 are respectively provided with two vertical guide grooves 732a separated from each other in the front-rear direction and extending in the vertical direction, and between the two vertical guide grooves 732a.
- a belt accommodating groove 732b extending in the vertical direction is formed over the entire longitudinal direction (vertical direction) of the vertical frame 732. As shown in FIG.
- the upper portion of the left vertical frame 732 and the upper portion of the right vertical frame 732 are connected by a reinforcing frame 734 (see FIGS. 10 and 11).
- the second lifting unit 7 may not have the base plate 71 .
- the lower end of the vertical frame 732 is fixed to the left-right end of the upper surface of the first platform 62 .
- a pair of upper and lower pulleys 735, 735 are rotatably provided in the belt housing groove 732b of each vertical frame 732 around a central axis extending in the left-right direction.
- a Y driving belt 736 is stretched over these pulleys 735 .
- the left support plate 731 is fixed at a first predetermined position in the circumferential direction of the Y drive belt 736 provided on the left vertical frame 732, and the Y drive belt 736 provided on the right vertical frame 732 is fixed to the first predetermined position in the circumferential direction.
- a right support plate 731 is fixed at a second predetermined position in the direction.
- An upper pulley 735 provided on the left vertical frame 732 and an upper pulley 735 provided on the right vertical frame 732 are connected to each other via a drive transmission shaft 737 .
- a Y drive motor M3 for rotating the pulley 735 on the upper side is attached to the upper portion of the vertical frame 732 on the left side.
- the second elevating mechanism 73 is a belt-driven elevating mechanism. pulleys 735, 735, a Y drive belt 736, a drive transmission shaft 737, and a Y drive motor M3.
- the second lifting unit 7 rotates the upper pulley 735 provided on the left vertical frame 732 and the upper pulley 735 provided on the right vertical frame 732 by the Y drive motor M3 to rotate the box body 2.
- the second lifting table 72 including the holding body 74 is moved up and down (lifted) inside, and one pulley 771 of the pair of right and left pulleys 771, 771 is driven to rotate by the X drive motor M2. 2, the holder 74 is moved left and right.
- the second elevating unit 7 described here is merely an example, and moving mechanisms having various configurations that can move the holder 74 vertically and horizontally can be used.
- the front panel 2a of the box 2 is provided with a touch panel type display section 21 having a function of displaying various information and a function as an input section.
- the display unit 21 can display information about each article P stored in the storage 1 (article name, type, etc.) and provide an input screen for inputting various commands. For example, when the display unit 21 displays the name of each item P stored in the storage shelf 3, the user touches the part where the name of the item is displayed to move the display unit 21 up and down.
- the device 8 is configured to input a carry-out article selection command for selecting the articles P to be carried out from the storage shelf 3 to the work station 4 .
- the display operation of the display section 21 is controlled by the control section 9 . Also, a command or the like input by a touch operation on the display section 21 is output to the control section 9 .
- FIG. 15 is a block diagram showing the schematic configuration of the control system of the storage 1. As shown in FIG. As shown in FIG. 15, the repository 1 has a memory M and a controller 9. FIG.
- the memory M stores various programs and data. Further, in the present embodiment, the memory M stores information (for example, the information on the items to be brought in) related to each item placement chamber 3a and the items P placed therein, in association with each other.
- the control unit 9 is composed of a CPU, I/O, ROM, RAM, etc., and comprehensively controls the operation of the door mechanism 5 and the lifting device 8 in the storage 1. Specifically, the control unit 9 performs (1) processing for unloading the articles P stored in the storage shelf 3 to the work station 4 (item unloading processing); Execute processing for switching between the access region and the access region for the transport mechanism (access region switching processing) and (3) processing for carrying a new article P into the storage shelf 3 (article carrying-in processing), It is configured to control the operation of the door mechanism 5 and the lifting device 8 in each process.
- the first lifting unit 6 drives the arm driving part 63B based on a command from the control part 9, thereby moving the first lifting table 62 between the first lower position and the first upper position. up and down. At this time, the entire second elevating unit 7 is vertically lifted by the elevating operation of the first elevating unit 6 .
- the second lifting unit 7 drives the Y drive motor M3 based on a command from the control unit 9 to vertically move the second lifting table 72 between the second lower position and the second upper position. Raise and lower. Therefore, the lifting device 8 can lift and lower the article P by the total stroke obtained by adding the lifting stroke of the first lifting unit 6 and the lifting stroke of the second lifting unit 7 .
- the first lower position and the first upper position are, for example, the height from the lower surface of the base 61 to the upper surface of the first lifting platform 62, and the difference value between the first lower position and the first upper position. is the lifting stroke of the first lifting unit 6 .
- the second lower position and the second upper position are, for example, the height from the lower surface of the base plate 71 (that is, the upper surface of the first elevator 62) to the upper surface of the second elevator 72.
- a difference value between the lower position and the second upper position is the lifting stroke of the second lifting unit 7 .
- the holder 74 and the lowest stage (first stage) of the storage shelf 3 The height of the shelf board 31 on the first stage is set so that the article P can be transferred to and from the article placement chamber 3a.
- the holder 74 and the lower article placement chamber 3a ( In other words, the shelf board 31 (that is, the 4th shelf board) constituting the lower article placement chamber 3a in the work station 4 can transfer the articles P to and from the fourth article placement chamber 3a) in the storage shelf 3.
- the height of the tiered shelf plate 31 is set. Then, with the first lifting platform 62 positioned at the first upper position and the second lifting platform 72 positioned at the second upper position, the holder 74 and the uppermost (twelfth) stage of the storage shelf 3 The height of the uppermost shelf board 31 is set so that the article P can be transferred to and from the article placement chamber 3a. Further, in this embodiment, the overall height of the lifting device 8 is changed by the lifting operation of the first lifting table 62, and becomes maximum when the first lifting table 62 is positioned at the first upper position. At this time, the overall height of the second lifting unit 7 is set so that the upper surface of the second lifting unit 7 does not collide with the upper panel 2 e of the box 2 .
- the elevator device 8 is configured such that, for example, the first elevator platform 62 is positioned at the first upper position and the second elevator platform 72 is positioned at the second lower position in the standby state. Then, the lifting device 8 moves the holder 74 in a lifting range corresponding to the first-stage article placement chamber 3a to the fourth-stage article placement chamber 3a (the lower-stage article placement chamber 3a in the work station 4).
- the lifting device 8 moves the holder 74 in a lifting range corresponding to the first-stage article placement chamber 3a to the fourth-stage article placement chamber 3a (the lower-stage article placement chamber 3a in the work station 4).
- moving up and down for example, only the first lifting platform 62 is moved up and down, and the holding body 74 is moved up and down within a lifting range corresponding to the article placing chamber 3a on the 4th stage to the article placing chamber 3a on the 12th stage. In this case, only the second platform 72 is raised and lowered.
- the lifting device 8 has a first lifting unit 6 and a second lifting unit 7 arranged above the first lifting unit 6 . Therefore, in the lifting device 8, the first lifting unit 6 and the second lifting unit 7 can be vertically divided from each other. These units (6, 7) are divided into units each equipped with an elevator (first elevator 62, second elevator 72) and elevator mechanism (first elevator 63, second elevator 73). Since it is made from the same material, it is excellent in individual assembling property, and can be easily assembled individually in a factory or the like.
- the first lifting unit 6 and the second lifting unit 7 can be separated vertically from each other, and by individually transporting these units (6, 7) in the state of It becomes possible to keep the dimension in the height direction in the packing dimension at the time of transportation low, and the transportability can be easily improved. In this way, it is possible to provide the lifting device 8 with excellent portability.
- the first elevating mechanism 63 of the first elevating unit 6 is a pantograph type elevating mechanism.
- the first elevating unit 6 that stably supports the first elevating table 62 from below has a structure capable of withstanding a relatively high load, and can generate a high lift force can be easily constructed. be done.
- the first lifting unit 6 can be transported in a state of being contracted to the minimum height (that is, a state in which the first lifting table 62 is positioned at the first lower position), which further improves the transportability. Become.
- the second elevating mechanism 73 of the second elevating unit 7 is an elevating mechanism that elevates the second elevating table 72 along the pair of vertical frames 732, 732 between the pair of vertical frames 732, 732. . That is, most of the components of the second elevating mechanism 73 are distributed to the left and right of the second elevating table 72, and the elevating space of the second elevating table 72 is easily secured between the two storage shelves 3. .
- the second elevating unit 7 is mounted on the first elevating platform 62 of the first elevating unit 6 . Therefore, the assembly of the lifting device 8 is completed only by mounting the second lifting unit 7 on the first lifting unit 6 at the installation site, and the lifting device 8 excellent in assembling efficiency is provided.
- the second lifting table 72 moves up and down as the first lifting table 62 moves up and down. As a result, a lifting range that cannot be handled by the lifting operation of the second lifting unit 7 alone can be handled by lifting the first lifting table 62 .
- the overall height of the lifting device 8 when the first lifting table 62 is located at the first lower position (that is, when the first lifting unit 6 is contracted to the minimum height) If it is lower than the upper limit of the packing size of the load, the lifting device 8 is assembled as a finished product in a factory or the like, and the lifting device 8 can be transported as it is from the factory to the installation site.
- the first lifting mechanism 63 which is a pantograph type lifting mechanism, has relatively high rigidity and can easily generate a high lifting force, so that the entire second lifting unit 7 can be easily lifted. be able to.
- the second elevating mechanism 73 is a belt-driven elevating mechanism, and is suitable for elevating the article P with a relatively low load.
- the lifting device when the lifting device is simply composed of the second lifting units 7 having two stages in the vertical direction, the second lifting table 72 at the second upper position and the second lifting table 72 at the upper side in the second lifting unit 7 on the lower side. Between the lifting unit 7 and the second lifting table 72 at the second lower position, there may be a region (dead space) where the article P (tray T) cannot be lifted. In other words, a dead space can occur between the upper and lower lifting units in this lifting device.
- the lifting device 8 since the entire second lifting unit 7 can be lifted by the first lifting unit 6, the dead space described above does not occur, and the intermediate portion in the vertical direction of the lifting device 8 area can be effectively utilized.
- FIG. 16 is a diagram for explaining the lifting device 8 according to the second embodiment, and shows a front view of the lifting device 8.
- the second lifting unit 7 is attached to the box 2, and the entire second lifting unit 7 does not lift.
- the left vertical frame 732 of the second lifting unit 7 is fixed to the left panel 2c side of the outer panel of the box 2 or the left panel 2c side of the frame member of the box 2
- the second lifting unit 7 is fixed to the left panel 2c side of the frame member of the box 2.
- the vertical frame 732 on the right side of the unit 7 is fixed to the right panel 2 d of the exterior panel of the box 2 or the left panel 2 c side of the frame member of the box 2 .
- the second lifting unit 7 does not have the base plate 71 .
- the first lifting unit 6 is arranged inside the pair of vertical frames 732, 732 in a plan view of the second lifting unit 7 from above.
- the upper limit position (that is, the first upper position) of the lifting area of the first lifting table 62 is set to the lower surface of the second lifting table 72 located at the second lower position and the vertical frame below the lower surface. 732 can be increased, and the area between the first lifting unit 6 and the second lifting unit 7 can be effectively utilized.
- the pantograph-type first elevating mechanism 63 of the first elevating unit 6 has at least the first It has a lifting stroke that can reach the lower limit region of the lifting region of the second lifting platform 72 by the second lifting mechanism 73 .
- the first elevating unit 6 includes, for example, the second elevating table 72 (the holder 74, the fixing plate 75, the second elevating table main body 76, and the lateral movement mechanism) of the second elevating unit 7. 77), which has the same structure as that of 77), and this table 62' is mounted on the first lifting table 62.
- the first lifting mechanism 63 can easily generate a lifting force higher than that of the second lifting mechanism 73, for example, the first lifting unit 6 can be used to transport a relatively heavy article P, and the second lifting mechanism 63 can Unit 7 is preferably used for articles P that are relatively light.
- FIG. 16 there is one first lifting unit 6, but as shown in FIG. 17, there may be a plurality of units.
- FIG. 17 is a front view of the lifting device 8 for explaining a modification of the lifting device 8 of the second embodiment.
- a plurality of first lifting units 6 are provided at intervals in a direction (horizontal direction) perpendicular to the lifting direction in the region below the second lifting units 7 .
- the lifting device 8 narrows the width of the first lifting unit 6 in the horizontal direction from the width of the first lifting unit 6 shown in FIG. configured to As a result, the transportation efficiency of the articles P can be further improved.
- the lifting device 8 shown in FIG. In this case (in the case of the lifting device 8 shown in FIG.
- each first lifting unit 6, 52 is configured to move in the vertical direction (that is, configured with a vertically open structure).
- the lifting device 8 widens the width of the second lifting unit 7 in the left-right direction so that the width shown in FIG.
- a plurality of first lifting units 6 of the same width as the first lifting units 6 shown may be configured to fit between a pair of vertical frames 732 , 732 .
- the lifting device 8 is composed of one set of devices including the first lifting unit 6 and the second lifting unit 7.
- the present invention is not limited to this. It may be configured as a device in which a plurality of devices are arranged in a direction.
- the door mechanism 5 is provided for each first elevating unit 6 similarly to the modification of the second embodiment (see FIG. 18), and the first door body 51 and the second door body 52 are arranged vertically. configured to move to
- the pantograph arm unit 63A in the first elevating mechanism 63 is provided in two stages vertically, but it is not limited to this, and may be provided in one stage or in three or more stages.
- the arm driving section 63B in the first elevating mechanism 63 is made up of a hydraulic cylinder, it is not limited to this, and may be configured as an electric driving type driving section.
- an electric screw cylinder unit for example, can be used as the arm drive section 63B.
- the electric screw cylinder unit includes a motor for driving an arm, a ball screw that is rotationally driven by the motor, and a base 61 (fixed side support piece 613) that is rotatable.
- a ball screw support portion having a connected end portion and rotatably supporting one end portion of the ball screw, and one end portion formed with a female screw to be screwed to the other end portion of the ball screw, and the pantograph arm unit 63A. and a nut portion having the other end portion rotatably connected to the drive connecting shaft 639 and moving relative to the ball screw support portion as the ball screw rotates.
- the ball screw support portion corresponds to the fixed portion 63B1
- the nut portion corresponds to the movable portion 63B2.
- the storage 1 is arranged in the factory and used as a storage for inventory management of electronic components necessary for manufactured products, but it is not limited to this.
- the repository 1 may be used, for example, as a vending machine.
- the front panel 2a of the depository 1 is provided with, for example, a money slot (bills slot and coin slot) and a return slot for deposited money.
- a purchase item selection screen is displayed on the display unit 21 so that the user can perform a touch operation. It is configured to be carried out to one of the article placement chambers 3a.
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Abstract
Description
Claims (7)
- 物品昇降用の昇降装置であって、
基台と、前記基台の上方に位置する第1昇降台と、前記基台と前記第1昇降台の間に設けられ前記第1昇降台を昇降させる第1昇降機構と、を有する、第1昇降ユニットと、
前記第1昇降ユニットの上方に配置される第2昇降ユニットであって、前記第1昇降台の上方に位置する第2昇降台と、前記第2昇降台を昇降させる第2昇降機構と、を有する、前記第2昇降ユニットと、
を含む、昇降装置。 - 前記第1昇降機構は、パンタグラフ式の昇降機構である、請求項1に記載の昇降装置。
- 前記第2昇降機構は、前記第2昇降台の昇降方向と直交する方向に間隔をあけて相対する一対の縦フレームを有し、当該一対の縦フレームの間において前記第2昇降台を前記一対の縦フレームに沿って昇降させる昇降機構である、請求項2に記載の昇降装置。
- 前記第1昇降ユニットは、前記第2昇降ユニットを上方から視た平面視において、前記一対の縦フレームの内側の領域内に配置される、
請求項3に記載の昇降装置。 - 前記第1昇降ユニットの前記第1昇降機構は、最大に伸長した状態において、少なくとも前記第2昇降機構による前記第2昇降台の昇降領域についての下限領域に到達可能な、昇降ストロークを有する、
請求項2~4のいずれか一つに記載の昇降装置。 - 前記第1昇降ユニットは、前記第2昇降ユニットの下方の領域における昇降方向と直交する方向に間隔をあけた複数の箇所にそれぞれ設けられる、請求項1~5のいずれか一つに記載の昇降装置。
- 前記第2昇降ユニットは、前記第1昇降ユニットの前記第1昇降台の上に取り付けられる、請求項1~3のいずれか一つに記載の昇降装置。
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DE112022000752.4T DE112022000752T5 (de) | 2021-03-26 | 2022-03-04 | Hebevorrichtung zum Anheben und Absenken von Gegenständen |
CN202280021595.1A CN117043096A (zh) | 2021-03-26 | 2022-03-04 | 物品升降用的升降装置 |
US18/282,132 US20240150119A1 (en) | 2021-03-26 | 2022-03-04 | Lifting Device for Article Lifting |
Applications Claiming Priority (2)
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JP2021052887A JP2022150324A (ja) | 2021-03-26 | 2021-03-26 | 物品昇降用の昇降装置 |
JP2021-052887 | 2021-03-26 |
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PCT/JP2022/009355 WO2022202212A1 (ja) | 2021-03-26 | 2022-03-04 | 物品昇降用の昇降装置 |
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US (1) | US20240150119A1 (ja) |
JP (1) | JP2022150324A (ja) |
CN (1) | CN117043096A (ja) |
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Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4815750Y1 (ja) * | 1971-08-26 | 1973-05-02 | ||
JPS52163871U (ja) * | 1976-06-07 | 1977-12-12 | ||
WO2014195901A1 (en) * | 2013-06-06 | 2014-12-11 | Ocado Limited | Storage and retrieval system |
US20160016731A1 (en) * | 2014-07-16 | 2016-01-21 | Sergey N. Razumov | Loading desired container sequence onto board of container carriage in storage system |
CN211594885U (zh) * | 2020-01-03 | 2020-09-29 | 苏州市斯美特升降机械有限公司 | 一种建筑自动化机械升降装置 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH0885606A (ja) | 1994-09-20 | 1996-04-02 | Daifuku Co Ltd | 保管装置 |
-
2021
- 2021-03-26 JP JP2021052887A patent/JP2022150324A/ja active Pending
-
2022
- 2022-03-04 WO PCT/JP2022/009355 patent/WO2022202212A1/ja active Application Filing
- 2022-03-04 DE DE112022000752.4T patent/DE112022000752T5/de active Pending
- 2022-03-04 CN CN202280021595.1A patent/CN117043096A/zh active Pending
- 2022-03-04 US US18/282,132 patent/US20240150119A1/en active Pending
Patent Citations (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS4815750Y1 (ja) * | 1971-08-26 | 1973-05-02 | ||
JPS52163871U (ja) * | 1976-06-07 | 1977-12-12 | ||
WO2014195901A1 (en) * | 2013-06-06 | 2014-12-11 | Ocado Limited | Storage and retrieval system |
US20160016731A1 (en) * | 2014-07-16 | 2016-01-21 | Sergey N. Razumov | Loading desired container sequence onto board of container carriage in storage system |
CN211594885U (zh) * | 2020-01-03 | 2020-09-29 | 苏州市斯美特升降机械有限公司 | 一种建筑自动化机械升降装置 |
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US20240150119A1 (en) | 2024-05-09 |
JP2022150324A (ja) | 2022-10-07 |
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