JP2021075356A - Article carrier facility - Google Patents

Abstract

To realize an article carrier facility that can facilitate the maintenance work of a storage shelf utilizing a carrier in the case the distance between an elevation body and a storage shelf is great.SOLUTION: An article carrier facility includes a carrier 3 for carrying an article comprising an elevation body 14 that ascends and descends along a vertical direction, a transfer unit 15 that is supported by the elevation body 14 and transfers an article between its own and a storage unit, and a stage 31 that can be attached/detached to/from the elevation body 14 and allows an operator to get on. The elevation body 14 comprises an attaching unit 26 that allows for attaching the stage 31 at least on one side in second directions Y with respect to the transfer unit 15, the stage 31 comprises a rest unit 47 that is placed on the attaching unit 26 and a projection unit 46 that protrudes toward a first-directional first side X1 more than an end in the first-directional first side X1 of the elevation body 14, and the rest unit 47 comprises a plurality of fixing portions for fixing the stage 31 on the attaching unit 26.SELECTED DRAWING: Figure 5

Description

The present invention relates to an article transport facility including a storage shelf provided with a plurality of storage units for storing articles in a vertically arranged state, and a transport device for transporting articles.

As such an article transporting facility, for example, the one described in Japanese Patent Application Laid-Open No. 2018-091657 (Patent Document 1) is known. Hereinafter, in the description of the background art, the reference numerals or names in parentheses shall be the reference numerals or names in the prior art documents. In the article transport facility described in Patent Document 1, the transport device (stacker crane 3) is supported by an elevating body (elevating table 13) that elevates and descends in the vertical direction, and is supported by the elevating body and is self and a storage unit (storage unit). A transfer device 14 for transferring an article to and from the part 4) is provided.

In such an article transport facility, maintenance work of a storage shelf (storage shelf 2) may be required. Therefore, the elevating body of the transport device may be configured so that an operator can board it, and the transport device may be used when performing maintenance work on the storage shelves. Specifically, when performing maintenance work on the storage shelves, the worker gets on the elevating body with the elevating body raised and lowered to a height corresponding to the location where the maintenance work is performed on the storage shelf, and the worker goes up and down. In some cases, the operator may move from the elevating body to the storage shelf and perform maintenance work on the storage shelf.

JP-A-2018-091657

However, depending on the dimensions of each part of the article transport facility, the distance between the elevating body and the storage shelf may be large. In such a case, it is difficult to perform maintenance work on the storage shelf while the vehicle is on the elevating body, and it is also difficult to perform such a transfer when transferring from the elevating body to the storage shelf.

Therefore, when the distance between the elevating body and the storage shelf is large, it is desired to realize an article transport facility that can facilitate the maintenance work of the storage shelf using the transport device.

In view of the above, the characteristic configuration of the article transport facility includes a storage shelf provided with a plurality of storage units for storing articles in a vertically arranged state, and a transport device for transporting articles, and is provided up and down along the vertical direction. In the direction view, the direction in which the storage shelf and the transport device are lined up is set as the first direction, and in the vertical view, the direction orthogonal to the first direction is set as the second direction, and the transport device in the first direction is used. On the other hand, the side where the storage shelf exists is set as the first side in the first direction, and the transport device includes an elevating body that moves up and down along the vertical direction, and a self and the storage unit that are supported by the elevating body. The elevating body includes a transfer device for transferring articles between the elevating bodies and a stage that can be attached to and detached from the elevating body and on which an operator can board, and the elevating body has at least the second direction with respect to the transferring device. A mounting portion on which the stage can be mounted is provided on one side, and the stage is more than a mounting portion mounted on the mounting portion and an end portion of the elevating body on the first side in the first direction. It is provided with a protruding portion projecting to the first side in the first direction, and the above-described mounting portion is provided with a plurality of fixing portions for fixing the stage to the mounting portion.

According to this feature configuration, the stage is detachably attached to the elevating body, so when performing maintenance work on the storage shelves, the operator can board the stage by attaching the stage to the elevating body. The maintenance work of the storage shelf can be easily performed. On the other hand, when the article is transported by the transfer device, the stage can be separated from the elevating body to prevent the transfer device and the article from interfering with the stage when the article is transferred by the transfer device. it can. Therefore, by providing the stage, it is possible to reduce the restrictions on the configuration or operation of the transfer device and the transfer device.

Since the stage has a protruding portion that protrudes from the end of the elevating body on the first side in the first direction to the first side in the first direction, the operator can move up and down by boarding the protruding portion of the stage. It is easier to get closer to the storage shelves than when boarding the body. Therefore, it becomes easy for the worker to perform maintenance work on the storage shelf while the worker is on the stage, and it is also easy for the worker to move from the stage to the storage shelf for maintenance work. As described above, according to this configuration, when the distance between the elevating body and the storage shelf is large, it is possible to facilitate the maintenance work of the storage shelf using the transport device.

Side view of goods transport equipment Top view of goods transportation equipment Perspective view of the elevating body and the transfer device Perspective view of the stage Top view of the elevating body with the stage attached Side view of the support Front view of the support Side view of the holding part Front view of the holding part Side view of the goods transportation equipment that is undergoing maintenance work

1. 1. Embodiment An embodiment of an article transport facility will be described with reference to the drawings.
As shown in FIGS. 1 and 2, the article transport facility includes a storage shelf 2 provided with a plurality of storage units 1 for storing the article W, a stacker crane 3 for transporting the article W, and a storage shelf 2 and a stacker crane 3. It includes a wall body 4 that covers the periphery of the area to be installed. The storage shelves 2 are provided with a plurality of storage units 1 arranged side by side in each of the vertical direction Z and the second direction Y. Further, a pair of storage shelves 2 are provided so as to face each other, and a stacker crane 3 is installed between the pair of storage shelves 2. In the present embodiment, the article W is used as a mask frame for holding a photomask. Further, the stacker crane 3 corresponds to a transport device.

A first fan filter unit 6 is installed on the ceiling of the article transport facility. The first fan filter unit 6 is installed on the storage shelf 2 and Z1 above the stacker crane 3. The first fan filter unit 6 sucks air from the upper side Z1 and discharges clean air, which is clean air, toward the lower side Z2. As a result, a downflow in which clean air flows downward from the upper side Z1 to the lower side Z2 is formed inside the wall body 4.

Hereinafter, the storage shelf 2 and the stacker crane 3 will be described. In explaining the storage shelf 2 and the stacker crane 3, as shown in FIGS. 1 and 2, the direction orthogonal to the second direction Y in the vertical direction along the vertical direction Z is defined as the first direction X. Further, one side in the second direction Y is referred to as the first side Y1 in the second direction, and the opposite side is referred to as the second side Y2 in the second direction.

[Storage shelf]
As shown in FIGS. 1 and 2, a pair of storage shelves 2 of a first storage shelf 2A and a second storage shelf 2B are installed in an article transport facility so as to face each other. Each of the pair of storage shelves 2 is a support 8 that supports the article W stored in the storage unit 1, and a boarding body 9 on which a worker M who performs maintenance work when performing maintenance work on the storage shelf 2 is boarded. And a second fan filter unit 10 that supplies clean air to the storage unit 1.

Each of the pair of storage shelves 2 is arranged in the second direction Y and the vertical direction Z at the end opposite to the side (front side) where the stacker crane 3 exists in the first direction X (front side). A plurality of second fan filter units 10 are installed. These plurality of second fan filter units 10 are installed on the back side with respect to the storage unit 1. The second fan filter unit 10 sucks air from the back side and discharges clean air toward the front side. As a result, a flow of clean air flowing from the back side to the front side is formed in the storage unit 1. One second fan filter unit 10 is installed for each of the plurality of storage units 1 arranged in the vertical direction Z, and the clean air discharged from the one second fan filter unit 10 is a plurality of clean air arranged in the vertical direction Z. It flows through the storage unit 1.

The boarding body 9 is formed in a plate shape extending in the first direction X and the second direction Y. The boarding body 9 is installed in the vertical direction Z between the storage units 1 and in a region where the second fan filter unit 10 does not exist.

[Stacker crane]
As shown in FIGS. 1 and 2, the stacker crane 3 includes a traveling carriage 12 traveling along the second direction Y, a mast 13 erected on the traveling carriage 12 in a posture along the vertical direction Z, and a mast 13. It is provided with an elevating body 14 that moves up and down along the elevating body 14, a transfer device 15 supported by the elevating body 14, and a ladder 16 on which the worker M goes up and down.

As shown in FIG. 3, the transfer device 15 includes a link mechanism 18 that is flexibly connected to the elevating body 14, and a transport support portion 19 that is connected to the tip end portion of the link mechanism 18. The transfer device 15 has a protruding position (position shown by a virtual line in FIGS. 1 and 2) protruding from the elevating body 14 to one side of the first direction X by bending and stretching the link mechanism 18, and a first direction. The transport support portion 19 is moved back and forth between the retired position (the position shown by the solid line in FIGS. 1 to 3) retired to the side where the elevating body 14 exists in X. The transfer device 15 transfers the article W between itself and the storage unit 1 by moving the transport support portion 19 back and forth and moving the elevating body 14 up and down. Further, the transfer device 15 is supported by the swivel device 20, and the swivel device 20 swivels the entire transfer device 15 by 180 degrees, so that the transfer device 15 causes any of the storage units of the pair of storage shelves 2 to be stored. Article W can be transferred to and from 1.

As shown in FIG. 3, the elevating body 14 includes a main body portion 22 that supports the transfer device 15, and a pair of upright portions 23 that are erected at both ends of the main body portion 22 in the second direction Y. It has. A belt 24 is connected to each of the pair of upright portions 23, and a guide block 25 guided by the mast 13 is provided. As the belt 24 moves along its longitudinal direction, the elevating body 14 moves up and down along the vertical direction Z while being guided by the mast 13 by the guide block 25.

The main body 22 of the elevating body 14 is located between the edge 28 provided at both ends of the first direction X in the main body 22 and the edge 28 in the first direction X and is connected to the edge 28. It is provided with an intermediate portion 29. The upright portion 23 is connected to the pair of edge portions 28, and the transfer device 15 is supported by the intermediate portion 29. The edge portion 28 is provided with an upper flange portion 28A projecting on both sides of the first direction X at the end portion of the upper side Z1 of the edge portion 28, and is provided at the end portion of the lower side Z2 of the edge portion 28 in the first direction X. It is provided with a lower flange portion 28B protruding on both sides, and has an I-shaped cross section.

As shown in FIGS. 4 and 5, the stacker crane 3 includes a stage 31 that can be attached to and detached from the elevating body 14 and that the operator M can board. The elevating body 14 includes a mounting portion 26 to which the stage 31 can be mounted on at least one side of the second direction Y with respect to the transfer device 15. In the present embodiment, the first mounting portion 26A (1st mounting portion 26A) to which the stage 31 can be mounted between the transfer device 15 and the upright portion 23 on the first side Y1 in the second direction with respect to the transfer device 15 in the elevating body 14. It is provided with a mounting portion 26). Further, the second mounting portion 26B (mounting portion 26) to which the stage 31 can be mounted between the transfer device 15 and the upright portion 23 on the second side Y2 in the second direction with respect to the transfer device 15 in the elevating body 14. ) Is provided. As described above, in the present embodiment, the elevating body 14 is provided with mounting portions 26 on both sides of the second direction Y with respect to the transfer device 15.

In the present embodiment, the elevating body 14 is formed with an insertion hole 30 for a purpose other than fixing the stage 31, and the stage 31 is formed with an insertion hole 30 for the other purpose. Is fixed to the elevating body 14 by using. The insertion hole 30 for another purpose includes, for example, a hole used for manufacturing or assembling the stacker crane 3 at the installation site. For example, when assembling the stacker crane 3, the elevating body 14 may be transported to the place where the stacker crane 3 is assembled by using a crane different from the stacker crane 3. In this case, for connecting the elevating body 14 to the crane. A hole is provided. In this example, the insertion hole 30 is formed in the edge portion 28 of the main body portion 22.

Next, the stage 31 will be described. In the stage 31, the stage 31 is mounted on the first mounting portion 26A in the first posture as shown by the solid line in FIG. 5, and the posture of the stage 31 is changed from the first posture as shown by the virtual line in FIG. It can be mounted on the second mounting portion 26B in the second posture rotated by 180 ° around the axis along the vertical direction Z. In explaining the stage 31, the direction is defined and described based on the state in which the stage 31 is mounted on the first mounting portion 26A in the first posture. Further, in FIG. 5, the storage shelf 2 existing on the protruding side of the transfer device 15 is used as the storage shelf 2 for maintenance work, and the storage shelf 2 for maintenance work and the stacker crane 3 are arranged in a vertical direction. Is the first direction X, the side where the storage shelf 2 to be maintained is present with respect to the stacker crane 3 in the first direction X is the first direction X1 and the opposite side is the first direction second side. It is set to X2.

The stage 31 is configured so that the worker M can board. That is, the stage 31 is a boarding section 33 on which the worker M is boarding, a support column 34 connected to the elevating body 14, a holding section 35 connected to the boarding section 33, and a worker M on the boarding section 33. It is equipped with a fence 36 that regulates movement. As will be described later, in the present embodiment, the boarding portion 33 has a protruding portion 46 and a mounting portion 47.

The boarding unit 33 is installed on the first long member 41 installed in a posture along the first direction X and on the second side Y2 in the second direction with respect to the first long member 41, and is installed in the first direction X. The second long member 42 installed along the second long member 42 and the third long member 43 arranged along the second long member 42 on the second side Y2 in the second direction and installed along the first direction X. And a plate-shaped member 44 arranged so as to connect the first elongated member 41 and the second elongated member 42 in the second direction Y. The third long member 43 is connected to the second long member 42, and the plate-shaped member 44 is connected to the first long member 41 and the second long member 42.

As shown in FIGS. 7 and 9, each of the first long member 41 and the second long member 42 has a square tubular shape, and the third long member 43 has a cross-sectional shape. Is formed in an angular U-shape that opens toward the lower side Z2. As shown in FIGS. 4 and 5, the first long member 41, the second long member 42, and the third long member 43 are the second long member 42, the first long member 41, and the third long member. The length of the first direction X becomes shorter in the order of the shaku member 43. The length of the first long member 41 and the second long member 42 in the first direction X is longer than the length of the plate-shaped member 44 in the first direction X. On the other hand, the length of the third long member 43 in the first direction X is the same as the length of the plate-shaped member 44 in the first direction X. Then, in each of the first long member 41, the second long member 42, the third long member 43, and the plate-shaped member 44, the position of the end portion of the first side X1 in the first direction is in the first direction X. They are arranged so that they are in the same position. In the first long member 41, the second long member 42, and the third long member 43, the width of the second long member Y is smaller than the width of the plate-shaped member 44 in the second direction Y, and the first long member is long. The widths of the member 41, the second long member 42, and the third long member 43 in the second direction Y are the same as each other.

As shown in FIG. 5, each of the first long member 41 and the second long member 42 has a portion that overlaps with the mounting portion 26 of the elevating body 14 in the vertical direction, and the first long member A part of 41 and a part of the second long member 42 are first from the end of the mounting portion 26 on the first side X1 in the first direction (the end of the first side X1 in the first direction of the elevating body 14). It is arranged so as to project on the first side X1 in the direction. Further, the entire third long member 43 and the entire plate-shaped member 44 are arranged so as to project from the end of the mounting portion 26 on the first side X1 in the first direction to the first side X1 in the first direction. There is. A portion of the first long member 41 located on the first side X1 in the first direction from the end of the mounting portion 26 on the first side X1 in the first direction, and a first portion of the mounting portion 26 on the second long member 42. The protruding portion 46 is formed by a portion located on the first side X1 in the first direction from the end of the first side X1 in the direction, the entire third long member 43, and the entire plate-shaped member 44. There is. That is, the protruding portion 46 is formed by the portion of the boarding portion 33 that protrudes from the end portion of the first side X1 in the first direction of the elevating body 14 to the first side X1 in the first direction. Then, from the end of the first side X1 of the elevating body 14 in the first long member 41, the portion of the second side X2 in the first direction and the first direction of the elevating body 14 in the second long member 42. The mounting portion 47 is formed by a portion of the second side X2 in the first direction from the end portion of the first side X1. That is, the mounting portion 47 is formed by the portion of the boarding portion 33 from the end portion of the first side X1 in the first direction of the elevating body 14 to the portion X2 on the second side in the first direction. As is clear from FIG. 5, the mounting portion 47 is arranged so that most of the mounting portion 47 is mounted on the mounting portion 26 of the elevating body 14. In this way, the stage 31 protrudes from the mounting portion 47 mounted on the mounting portion 26 and the end portion of the elevating body 14 on the first side X1 in the first direction toward the first side X1 in the first direction. It is provided with a unit 46.

As shown in FIG. 4, the protrusion 46 includes a boarding surface 68 on which the worker M rests. In the present embodiment, it is formed by the upper surface of the first elongated member 41, the upper surface of the second elongated member 42, the upper surface of the third elongated member 43, and the upper surface of the plate-shaped member 44. That is, in the present embodiment, the boarding surface 68 is formed not only by the upper surface of the protruding portion 46 but also by the upper surface of the mounting portion 47. The mounting portion 26 of the elevating body 14 is configured so that the worker M can board.

The mounting portion 47 includes a plurality of fixing portions 51 for fixing the stage 31 to the mounting portion 26. In the present embodiment, as the plurality of fixing portions 51, a plurality of first fixing plates 52 fixed to the first long member 41 in a state of protruding from the first long member 41 in the second direction Y, and a second length. A plurality of second fixing plates 53 fixed to the second long member 42 in a state of projecting from the scale member 42 in the second direction Y are provided. Each of the first fixing plate 52 and the second fixing plate 53 is formed with a through hole penetrating in the vertical direction Z. As shown in FIGS. 7 and 9, the plurality of fixing portions 51 (the plurality of first fixing plates 52 and the plurality of second fixing plates 53) are located at positions corresponding to the insertion holes 30 previously formed in the elevating body 14. It is provided. More specifically, the plurality of fixing portions 51 are provided so that the positions of the through holes formed in the respective fixing portions 51 coincide with the positions of the insertion holes 30 formed in the elevating body 14. In this example, each of the plurality of fixing portions 51 is provided at a position corresponding to each of the plurality of insertion holes 30 formed in advance in the upper flange portion 28A of the edge portion 28 of the elevating body 14.

Then, each of the plurality of fixing portions 51 is fixed to the mounting portion 26 by using the fastening member 54 inserted into the insertion hole 30. In the present embodiment, the first fastening member 54A is passed through the through hole of the first fixing plate 52 from the upper side Z1, and the first fastening member 54A is screwed into the insertion hole 30 of the upper flange portion 28A. The first fixing plate 52 is fixed to the mounting portion 26. Further, the second fastening member 54B is passed through the through hole of the second fixing plate 53 from the upper side Z1, and the second fastening member 54B is screwed into the insertion hole 30 of the upper flange portion 28A. 2 The fixing plate 53 is fixed to the mounting portion 26. As shown in FIGS. 3, 7, and 9, in the present embodiment, female threads are formed in both the insertion hole 30 corresponding to the first fixing plate 52 and the insertion hole 30 corresponding to the second fixing plate 53. These holes are different in size from each other as well as being made holes. Therefore, as shown in FIGS. 4, 7 and 9, the first fastening member 54A, which is the fastening member 54 for fixing the first fixing plate 52, and the second fastening member 54, which is the fastening member 54 for fixing the second fixing plate 53. The diameter of the male screw portion is different from that of the fastening member 54B.

As shown in FIGS. 6 and 7, the column portion 34 includes a first connecting portion 56 connected to the protruding portion 46, a second connecting portion 57 connected to the lower part of the elevating body 14, and a first column main body portion. It is equipped with 58. The second connecting portion 57 is provided at a position corresponding to the insertion hole 30 formed in advance in the lower flange portion 28B of the edge portion 28 of the first side X1 in the first direction of the elevating body 14. More specifically, the second connecting portion 57 is provided so that the position of the through hole formed in the second connecting portion 57 matches the position of the insertion hole 30 formed in the lower flange portion 28B. Then, the third fastening member 59 is passed through the through hole of the second connecting portion 57 and the insertion hole 30 of the lower flange portion 28B from the lower side Z2, and the fastening member 54 is screwed into the first tap plate 60. The second connecting portion 57 is connected to the lower part of the elevating body 14 by allowing the second connecting portion 57 to be connected. Here, the first tap plate 60 is a plate-shaped member having a female screw portion formed at a position corresponding to the insertion hole 30 of the lower flange portion 28B, and the second connecting portion sandwiches the lower collar portion 28B. It is arranged on the opposite side of 57. The first connecting portion 56 is connected to the lower surface of the protruding portion 46 from the second connecting portion 57 on the first side X1 in the first direction. In the first pillar main body portion 58, the end portion of the upper side Z1 is connected to the first connecting portion 56, the end portion of the lower side Z2 is connected to the second connecting portion 57, and the first pillar main body portion 58 is connected toward the lower side Z2. It is arranged in an inclined posture so as to be located on the second side X2 in the direction. As a result, the support column 34 is interposed between the lower surface of the protrusion 46 and the lower flange 28B of the elevating body 14, and the protrusion 46 is supported from below.

As shown in FIGS. 8 and 9, the holding portion 35 is arranged so as to extend in the vertical direction Z in the first direction second side X2 with respect to the elevating body 14, and the elevating body 14 is vertically extended. It is configured to be sandwiched from Z. The sandwiching portion 35 includes an end portion 42A of the second long member 42 in the first direction, the second side X2, a third connecting portion 63, and a second pillar main body portion 64. The third connecting portion 63 is provided at a position corresponding to the insertion hole 30 formed in advance in the lower flange portion 28B of the edge portion 28 of the first direction second side X2 in the elevating body 14. More specifically, the third connecting portion 63 is provided so that the position of the through hole formed in the third connecting portion 63 coincides with the position of the insertion hole 30 formed in the lower flange portion 28B. Then, the fourth fastening member 65 is passed through the insertion hole 30 of the third connecting portion 63 and the insertion hole 30 of the lower flange portion 28B from the lower side Z2, and the fastening member 54 is screwed into the second tap plate 66. By combining them, the third connecting portion 63 is connected to the lower part of the elevating body 14. Here, the second tap plate 66 is a plate-shaped member having a female screw portion formed at a position corresponding to the insertion hole 30 of the lower flange portion 28B, and the third connecting portion sandwiches the lower collar portion 28B. It is arranged on the opposite side of 63. Here, the end portion 42A of the second long side X2 in the first direction of the second long member 42 comes into contact with the edge portion 28 (here, the upper flange portion 28A) of the elevating body 14 from the upper side Z1 and is in contact with the third The connecting portion 63 is in contact with the edge portion 28 (here, the lower flange portion 28B) of the elevating body 14 from below. Then, by connecting the third connecting portion 63 to the lower part of the elevating body 14, the elevating body 14 is sandwiched in the vertical direction Z by the sandwiching portion 35. In the second pillar main body portion 64, the end portion of the upper side Z1 is connected to the end portion 42A of the first direction second side X2 of the second long member 42, and the end portion of the lower side Z2 is connected to the third connecting portion 63. It is connected. The second pillar main body portion 64 is arranged along the vertical direction Z on the second side X2 in the first direction with respect to the elevating body 14.

As shown in FIGS. 4 and 5, the fence 36 is provided at at least one end of the boarding section 33 in the second direction Y. In the present embodiment, the fence 36 is provided at the end of the boarding section 33 on the first side Y1 in the second direction, and is not provided at the end of the boarding section 33 on the second side Y2 in the second direction. Specifically, the fence 36 is provided in the portion of the first long member 41 from the end of the elevating body 14 on the first side X1 in the first direction to the portion X1 on the first side in the first direction. In other words, the fence 36 is provided only at the end of the boarding section 33 in the second direction Y opposite to the side where the transfer device 15 is present. The fence 36 is formed in a grid pattern by combining a frame material having a posture along the vertical direction Z and a frame material having a posture along the first direction X. In the present embodiment, the fence 36 is formed so that the height of the upper end thereof is higher than the height of the waist of the worker M who is on the boarding surface 68. Specifically, the height from the boarding surface 68 to the upper end of the fence 36 is set between 100 cm and 120 cm.

Further, the protruding portion 46 includes rising portions 69 provided at both ends of the boarding surface 68 in the second direction Y. The rising portion 69 is formed so as to rise from the boarding surface 68 toward the upper side Z1 and continuously extend along the first direction X. In the present embodiment, the rising portion 69 is composed of a plate-shaped member having a posture along the vertical direction Z and the first direction X. More specifically, the rising portion 69 is formed in a rectangular plate shape having a constant width in the vertical direction Z and having the same length as the protruding portion 46 in the first direction X. The rising portion 69 is formed so that the height of the upper end thereof is lower than the height of the upper end of the fence 36. Here, the height of the upper end of the rising portion 69 is formed so as to be about the height of the ankle of the worker M who is on the boarding surface 68. Specifically, the height from the boarding surface 68 to the upper end of the rising portion 69 is set between 10 cm and 15 cm.

In the goods transport facility, the maintenance work of the storage shelf 2 is performed as follows. That is, as shown in FIG. 5, the stage 31 is mounted on the mounting portion 26 of the elevating body 14 in the stacker crane 3. Then, as shown in FIG. 10, the stacker crane 3 is operated so that the stage 31 is located adjacent to the boarding body 9 on which the worker M is to board. With the boarding body 9 and the stage 31 adjacent to each other in this way, the worker M gets on the stage 31 using the ladder 16 and performs maintenance work on the storage shelf 2 from the stage 31 or from the stage 31. Transfer to the boarding body 9 and perform maintenance work and the like for the second fan filter unit 10 of the storage shelf 2.

2. Other Embodiments Next, other embodiments of the article transporting equipment will be described.

(1) In the above embodiment, an example in which the stage 31 is fixed to the elevating body 14 by the fixing portion 51, the strut portion 34, and the holding portion 35 has been described. However, it is not limited to such a configuration. For example, the stage 31 may be fixed to the elevating body 14 by any one or two of the fixing portion 51, the strut portion 34, and the holding portion 35. Further, the configuration for fixing the stage 31 to the elevating body 14 is appropriately changed, such as providing a fitting portion that fits from the first direction second side X2 to the upper flange portion 28A instead of the holding portion 35. You may.

(2) In the above embodiment, a configuration in which the stage 31 is fixed to the elevating body 14 by using the insertion hole 30 formed in advance in the elevating body 14 has been described as an example. However, it is not limited to such a configuration. For example, a dedicated hole for fixing the stage 31 may be formed in the elevating body 14, and the stage 31 may be fixed to the elevating body 14 by using the dedicated hole formed in the elevating body 14.

(3) In the above embodiment, a configuration in which the fence 36 is provided at at least one end of the protruding portion 46 in the second direction Y has been described as an example. However, it is not limited to such a configuration. For example, fences 36 may be provided at both ends of the protruding portion 46 in the second direction Y, and in addition to the protruding portion 46, at least one end or both ends of the mounting portion 47 in the second direction Y may be provided. A fence 36 may be provided in the portion. Further, the fence 36 may be provided on one side or both sides of the second direction Y with respect to the projecting portion 46 by offsetting the position slightly spaced from the projecting portion 46.

(4) In the above embodiment, a configuration in which the rising portions 69 are provided at both ends of the boarding surface 68 of the protruding portion 46 in the second direction Y has been described as an example. However, it is not limited to such a configuration. For example, the rising portion 69 may be provided only on one side of the boarding surface 68 of the protruding portion 46 in the second direction Y, and when the mounting portion 47 is provided with the boarding surface 68, the mounting portion may be provided. A rising portion 69 may be provided at one end of the boarding surface 68 of 47 on one side of the second direction Y (for example, the side opposite to the side where the transfer device 15 exists in the second direction Y). In this way, when the rising portion 69 is provided only on one side of the second direction Y and the fence 36 is provided only on one end of the protruding portion 46 on the second direction Y, It is also preferable that the rising portion 69 is provided only on the side opposite to the side where the fence 36 is provided in the second direction Y. Alternatively, the stage 31 may be configured not to include the rising portion 69.

(5) The configurations disclosed in each of the above-described embodiments can be applied in combination with the configurations disclosed in other embodiments as long as there is no contradiction. With respect to other configurations, the embodiments disclosed herein are merely exemplary in all respects. Therefore, various modifications can be made as appropriate without departing from the gist of the present disclosure.

3. 3. Outline of the above-described embodiment The outline of the article transporting equipment described above will be described below.

The article transport facility includes a storage shelf provided with a plurality of storage units for storing articles in a vertical direction, and a transport device for transporting articles, and the storage shelf and the storage shelf and the above in a vertical view along the vertical direction. The direction in which the transfer device is lined up is the first direction, the direction orthogonal to the first direction in the vertical view is the second direction, and the storage shelf exists for the transfer device in the first direction. The side is the first side in the first direction, and the transport device transfers an elevating body that moves up and down along the vertical direction, and a transfer that is supported by the elevating body and transfers an article between itself and the storage unit. A mounting device and a stage that can be attached to and detached from the elevating body and can be boarded by an operator are provided, and the elevating body mounts the stage on at least one side in the second direction with respect to the transfer device. The stage is provided with a possible mounting portion, and the stage protrudes toward the first side in the first direction from the mounting portion mounted on the mounting portion and the end portion of the elevating body on the first side in the first direction. The above-mentioned placing portion includes a plurality of fixing portions for fixing the stage to the mounting portion.

According to this configuration, the stage is detachably attached to the elevating body. Therefore, when performing maintenance work on the storage shelves, the operator can board the stage by attaching the stage to the elevating body. Maintenance work for storage shelves can be easily performed. On the other hand, when the article is transported by the transfer device, the stage can be separated from the elevating body to prevent the transfer device and the article from interfering with the stage when the article is transferred by the transfer device. it can. Therefore, by providing the stage, it is possible to reduce the restrictions on the configuration or operation of the transfer device and the transfer device.

Since the stage has a protruding portion that protrudes from the end of the elevating body on the first side in the first direction to the first side in the first direction, the operator can move up and down by boarding the protruding portion of the stage. It is easier to get closer to the storage shelves than when boarding the body. Therefore, it becomes easy for the worker to perform maintenance work on the storage shelf while the worker is on the stage, and it is also easy for the worker to move from the stage to the storage shelf for maintenance work. As described above, according to this configuration, when the distance between the elevating body and the storage shelf is large, it is possible to facilitate the maintenance work of the storage shelf using the transport device.

Here, the stage includes a strut portion connected to the elevating body, and the strut portion includes a first connecting portion connected to the protruding portion and a second connecting portion connected to the lower part of the elevating body. And, it is preferable to have.

According to this configuration, the first connecting portion is connected to the protruding portion of the stage, and the second connecting portion is connected to the lower part of the elevating body, so that the strut portion is interposed between the protruding portion and the lower part of the elevating body. , The protrusion can be supported from below by this support. Therefore, it is possible to prevent the protruding portion of the stage from bending downward when the operator gets on the protruding portion.

Further, the side opposite to the first side in the first direction in the first direction is set as the second side in the first direction, the stage further includes a holding portion connected to the above-mentioned mounting portion, and the holding portion is It is preferable that the elevating body is arranged so as to extend in the vertical direction on the second side in the first direction and is configured to sandwich the elevating body from both sides in the vertical direction.

According to this configuration, the elevating body can be sandwiched from both sides in the vertical direction by the holding portion on the second side in the first direction with respect to the elevating body, and the stage can be fixed to the elevating body. Therefore, when an operator gets on the protruding portion of the stage, the end portion on the second side in the first direction of the stage can be prevented from moving upward with respect to the elevating body.

Further, the plurality of the fixing portions are provided at positions corresponding to the insertion holes formed in advance in the elevating body, and each of the fixing portions is attached to the mounting portion by using the fastening member inserted into the insertion hole. It is preferable to be fixed.

According to this configuration, the stage can be easily attached to and detached from the elevating body by fixing the stage to the mounting portion by fastening and fixing. Further, by fixing the stage to the mounting portion by using the insertion portion formed in advance in the elevating body, it is possible to reduce the need to form a new insertion hole or the like in the elevating body in order to fix the stage. be able to.

Further, the stage moves the worker on the protrusion to at least one end of the protrusion in the second direction, or to at least one side of the protrusion in the second direction with respect to the protrusion. It is preferable to have a fence to regulate.

According to this configuration, the movement of the worker from one end of the protrusion in the second direction to one side in the second direction can be regulated by the fence. Further, according to this configuration, the worker on the protrusion can support the body by the fence. Therefore, it is possible to appropriately prevent the operator from falling from the protruding portion.

Further, the projecting portions are provided on the boarding surface on which the operator rests and both ends of the boarding surface in the second direction, and rise upward from the boarding surface and along the first direction. It is preferable to have a rising portion formed so as to extend continuously.

According to this configuration, the movement of the foot of the worker on the boarding surface and the movement of the object placed on the boarding surface are regulated by the rising portion, so that the worker steps off the boarding surface. In addition, it is possible to prevent objects placed on the boarding surface from falling from the boarding surface.

The technique according to the present disclosure can be used for an article transport facility including a storage shelf provided with a plurality of storage units for storing articles arranged in a vertical direction and a transport device for transporting articles.

1: Storage unit 2: Storage shelf 3: Stacker crane (conveyor)
14: Elevating body 15: Transfer device 26: Mounting part 30: Insertion hole 34: Strut part 35: Holding part 36: Fence 46: Protruding part 47: Mounting part 51: Fixing part 54: Fastening member 56: First connection Part 57: Second connecting part 68: Boarding surface 69: Standing part M: Worker W: Article X: First direction X1: First direction first side X2: First direction Second side Y: Second direction Z: Vertical direction

Claims (6)

A storage shelf with multiple storage units for storing goods arranged vertically,
An article transport facility equipped with a transport device for transporting articles.
The direction in which the storage shelf and the transport device are lined up in the vertical direction along the vertical direction is the first direction, and the direction orthogonal to the first direction in the vertical direction is the second direction. The side where the storage shelf exists with respect to the transport device in the direction is defined as the first side in the first direction.
The transport device can be attached to and detached from an elevating body that moves up and down along the vertical direction, a transfer device that is supported by the elevating body and transfers an article between itself and the storage unit, and the elevating body. And with a stage where workers can board,
The elevating body includes a mounting portion on which the stage can be mounted on at least one side in the second direction with respect to the transfer device.
The stage includes a mounting portion mounted on the mounting portion and a protruding portion protruding toward the first side in the first direction from the end portion of the elevating body on the first side in the first direction. ,
The above-mentioned placing portion is an article transporting facility including a plurality of fixing portions for fixing the stage to the mounting portion. The stage includes a strut portion connected to the elevating body.
The article transporting equipment according to claim 1, wherein the strut portion includes a first connecting portion connected to the protruding portion and a second connecting portion connected to the lower part of the elevating body. The side opposite to the first side of the first direction in the first direction is defined as the second side of the first direction.
The stage further comprises a holding portion connected to the above-described resting portion.
The sandwiching portion is arranged so as to extend in the vertical direction on the second side in the first direction with respect to the elevating body, and is configured to sandwich the elevating body from both sides in the vertical direction. , The article transport facility according to claim 1 or 2. The plurality of fixing portions are provided at positions corresponding to insertion holes formed in advance in the elevating body.
The article transporting equipment according to any one of claims 1 to 3, wherein each of the fixing portions is fixed to the mounting portion by using a fastening member inserted into the insertion hole. The stage regulates the movement of the operator on the protrusion to at least one end of the protrusion in the second direction, or to at least one side of the protrusion in the second direction with respect to the protrusion. The article transport facility according to any one of claims 1 to 4, which is provided with a fence. The protrusions are provided on the boarding surface, which is the surface on which the worker rests, and both ends of the boarding surface in the second direction, and rise upward from the boarding surface and are continuous along the first direction. The article transporting equipment according to any one of claims 1 to 5, further comprising a rising portion formed so as to extend in a vertical manner.

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