JP2022097568A - Automatic warehouse system - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide an automatic warehouse system capable of shielding with a shield wall.

SOLUTION: An automatic warehouse system 100 is an automatic warehouse system for storing a cargo 12. A rail 40 extends in an X-axis direction. A slave truck 14 comprises a plurality of wheel units travelling on the rail 40 and is movable with the cargo 12 loaded in the X-axis direction. A control section is controlled in a manner operating the slave truck 14 and storing the cargo therein. A shield wall 32 can shield a prescribed area by a movement in a height direction. The rail 40 is provided with a spacing in an area where the shield wall 32 passes through when shielded by the side wall 32. The slave truck 14 has a plurality of wheels per one wheel unit.

SELECTED DRAWING: Figure 1

COPYRIGHT: (C)2022,JPO&INPIT

Description

The present invention relates to an automated warehouse system capable of loading and unloading cargo.

As a warehouse system that can efficiently store and deliver a large number of loads in a small space, an automated warehouse system that transports loads to a three-dimensionally configured automated warehouse using a trolley is known. For example, in Patent Document 1, a storage shelf capable of accommodating a plurality of articles is arranged, a traveling rail that can access the storage shelf is laid, and the articles are carried in by using a transport trolley capable of self-propelling the traveling rail. The warehouse to be carried out is listed. The transport trolley of Patent Document 1 is provided on the vehicle body with a mounting table that can be raised and lowered to mount and support articles, and is configured to be capable of self-propelling a traveling rail by a rechargeable battery built in the vehicle body.

JP-A-2015-157683

The present inventors examined the automated warehouse and obtained the following recognition. It is desirable that the automated warehouse be provided with a movable shielding wall that shields the fire protection section in order to prevent the expansion of the fire area in the event of a fire. Examples of such a shielding wall include a fire shutter. However, for example, when a shutter that shields a section is installed in the automated warehouse of Patent Document 1, it is conceivable that the lowered shutter hits the traveling rail and cannot be sufficiently closed. Further, when a feeding line for supplying power to the bogie is provided along the traveling path of the bogie, it is conceivable that the lowered shutter hits the feeding line and cannot be sufficiently closed. Such problems can occur not only in shutters but also in other types of shielding walls.
From this, the present inventors recognized that there is room for improvement in the automated warehouse in terms of enabling shielding by a shielding wall.

The present invention has been made in view of these circumstances, and an object of the present invention is to provide an automated warehouse system capable of shielding by a shielding wall.

In order to solve the above problems, the automated warehouse system according to an aspect of the present invention is an automated warehouse system capable of storing loads, and travels on a first rail extending in a first direction and on the first rail. A first dolly that has multiple wheel units and can move in the first direction with a load on it, a control unit that operates the first dolly to control the storage of the load, and a control unit that moves in the height direction. It has a shielding wall that can shield a predetermined area. The first rail is provided with a first gap in the area through which the shielding wall passes when shielding by the shielding wall is performed, and the first carriage has a plurality of wheels per wheel unit. There is.

Another aspect of the invention is also an automated warehouse system. This automatic warehouse system is an automatic warehouse system capable of storing loads, and is a first trolley that can move in the first direction and a power supply line provided along the first direction to supply power to the first trolley. It also has a control unit that operates the first trolley to control the storage of loads, and a shielding wall that can shield the area where the first trolley moves by moving in the height direction. The feeder line is provided so that there is no gap when it is not shielded by the shielding wall, and there is a gap when it is shielded by the shielding wall.

It should be noted that any combination of the above components or components or expressions of the present invention that are mutually replaced between methods, devices, systems, etc. are also effective as aspects of the present invention.

According to the present invention, it is possible to provide an automated warehouse system that can be shielded by a shielding wall.

It is a top view of the automated warehouse system which concerns on embodiment. It is sectional drawing cut along the line BB of the automated warehouse system of FIG. It is a front view which shows the periphery of the shielding wall of the automated warehouse system which concerns on a comparative example. It is a front view which shows the periphery of the shielding wall of the automated warehouse system of FIG. It is a top view which shows the child carriage of the automated warehouse system of FIG. It is a front view of the child carriage of FIG. It is a front view which shows the example which installed the shielding wall in the multi-stage accommodation row of the automated warehouse system of FIG. It is a side view which shows the periphery of the shielding wall of FIG. It is a front view which shows the example which provided another clearance mechanism on the rail of the automated warehouse system of FIG. It is a front view which shows the periphery of the shielding wall of the automated warehouse system of FIG. It is a top view which shows the master trolley of FIG. It is a top view which shows the periphery of the gap mechanism of the feed line of the automated warehouse system of FIG. It is a front view which shows the periphery of the gap mechanism of FIG. It is a rear view which shows the current collector unit of FIG. FIG. 3 is a front view showing the periphery of another gap mechanism of the feeder line of the automated warehouse system of FIG. 1. It is sectional drawing which cut along the JJ line of the feeder line of FIG. It is a block diagram of the automated warehouse system of FIG. It is a flowchart which shows an example of the retracting operation of the child carriage of FIG.

Hereinafter, the present invention will be described with reference to each drawing based on a preferred embodiment. In the embodiments, comparative examples, and modifications, the same or equivalent components and members are designated by the same reference numerals, and duplicate description thereof will be omitted as appropriate. Further, the dimensions of the members in each drawing are shown in an appropriately enlarged or reduced size for easy understanding. In addition, some of the members that are not important for explaining the embodiment in each drawing are omitted and displayed.
Also, terms including ordinal numbers such as 1st and 2nd are used to describe various components, but this term is used only for the purpose of distinguishing one component from other components, and this term is used. The components are not limited by.

[Embodiment]
The configuration of the automated warehouse system 100 according to the embodiment will be described with reference to the drawings. FIG. 1 is a plan view of the automated warehouse system 100 according to the embodiment. FIG. 1A shows a child carriage 14, a master carriage 16, and the like, which will be described later. FIG. 1B shows the arrangement of the storage shelves 20 described later. FIG. 2 is a front sectional view of the automated warehouse system 100. FIG. 2 shows a vertical cross section cut along line BB of FIG. FIG. 2A shows a child carriage 14, a master carriage 16, and the like, which will be described later. FIG. 2B shows the arrangement of the storage shelves 20 described later.

Hereinafter, the description will be given based on the XYZ coordinate system. The X-axis direction corresponds to the left-right direction on the paper in FIGS. 1 and 2. The Y-axis direction corresponds to the vertical direction of the paper surface in FIG. 1 and corresponds to the direction perpendicular to the paper surface in FIG. 2. The Z-axis direction corresponds to the direction perpendicular to the paper surface in FIG. 1 and corresponds to the vertical direction of the paper surface in FIG. 2. The Y-axis direction and the Z-axis direction intersect each other in the X-axis direction. The positive direction of each of the X-axis, the Y-axis, and the Z-axis is defined in the direction of the arrow in each figure, and the negative direction is defined in the direction opposite to the arrow. Further, the positive direction side of the X axis may be referred to as "right side", and the negative direction side of the X axis may be referred to as "left side". Also, the positive side of the Y axis is called the "front side", the negative side of the Y axis is called the "rear side", the positive side of the Z axis is called the "upper side", and the negative side of the Z axis is called the "lower side". be. The notation in such a direction does not limit the configuration of the automated warehouse system 100, and the automated warehouse system 100 can be used in any configuration depending on the application.

The automated warehouse system 100 includes an outer wall 28, a partition wall 30, a shielding wall 32, and a shielding wall 34 in order to partition the internal space 10s in the warehouse. The outer wall 28 surrounds the outer circumference of the internal space 10s. In this example, the internal space 10s is a space having a substantially rectangular shape in a plan view surrounded by four outer walls 28. The partition wall 30, the shielding wall 32 and the shielding wall 34 divide the internal space 10s into a plurality of partitions. The partition wall 30 is a fixed wall that does not open and close, and includes a first partition wall 30b extending in the Y-axis direction and a second partition wall 30c extending in the X-axis direction.

The shielding wall 32 and the shielding wall 34 are wall mechanisms that can be opened and closed, and in this example are shutters. The shielding wall 32 extends in the Y-axis direction and is provided between the plurality of first partition walls 30b. The shielding wall 34 extends in the X-axis direction and is provided between the plurality of second partition walls 30c. When the shielding wall 32 and the shielding wall 34 are generically referred to, they are simply referred to as a shielding wall. In this example, the shielding wall is configured to be closed by lowering its lower end to a floor of 10 g and opening by raising its lower end.

The automated warehouse system 100 is a system including a storage shelf capable of storing a large number of loads 12. In the embodiment, an example is shown in which the load 12 includes an article and a pallet 12p on which the article is placed. It is not essential to include the pallet 12p. As shown in FIGS. 1 and 2, the automated warehouse system 100 includes a storage shelf 20, a child carriage 14, a master carriage 16, a control panel 18, rails 40, 42, and feeder lines 50, 51. include.

(Accommodation shelf)
The storage shelf 20 is a storage space for accommodating a large number of loads 12. The configuration of the storage shelf 20 is not particularly limited as long as it can store and store a plurality of loads 12. In this example, the storage shelves 20 include a plurality of (for example, three) storage stages 22 stacked in layers in the vertical direction. Each accommodation stage 22 includes a plurality of (eg, 3) accommodation rows 24 arranged in the Y-axis direction, and each accommodation row 24 includes a plurality of (eg, 5) accommodation rows 26 connected in the X-axis direction. .. At the end of each accommodation row 24 on the rail 42 side, an entrance / exit portion 24b for loading / unloading the load 12 is provided.

The rail 40 extends in the X-axis direction in the accommodation row 24. The rail 42 extends in the Y-axis direction in the vicinity of the entrance / exit portion 24b of the accommodation row 24. When the rail 40 and the rail 42 are collectively referred to, they may be simply referred to as a rail. The child carriage 14 travels on the rail 40 in the X-axis direction in the accommodation line 24 with the load 12 loaded. The master trolley 16 travels on the rail 42 in the Y-axis direction with the child trolley 14 mounted on the master trolley 16. When the child trolley 14 and the parent trolley 16 are collectively referred to, they may be simply referred to as a trolley. The control unit 36 controls the operation of the child carriage 14 and the master carriage 16. The configuration of the control unit 36 will be described later.

The child carriage 14 travels on the rail 40 in the X-axis direction, and loads and unloads the load 12 to and from the accommodating portion 26. The master carriage 16 travels on the rail 42 in the Y-axis direction and conveys the slave carriage 14. The master trolley 16 conveys the child trolley 14 in an empty state or a state in which the load 12 is loaded. The child trolley 14 cooperates with the parent trolley 16 to transport the load 12 from one accommodating portion 26 to another accommodating portion 26. The configuration of the child carriage 14 and the parent carriage 16 will be described later.

(Comparative example)
Here, a comparative example will be described first. FIG. 3 is a front view showing the periphery of the shielding wall 32 of the automated warehouse system 500 according to the comparative example. The automated warehouse system 500 of the comparative example differs from the automated warehouse system 100 according to the embodiment in that the rail 540 is provided instead of the rail 40 and the carriage 514 is provided instead of the child carriage 14. The same is true. In the automated warehouse system 500, the rail 540 extends continuously in the X-axis direction and is supported by the floor 10 g via the rail support member 40s. The bogie 514 travels on the rail 540 in the X-axis direction with the load 12 loaded. In this example, the dolly 514 is traveling in the direction of arrow E. The shielding wall 32 extends parallel to the YY plane.

In the automated warehouse system 500 configured in this way, as shown in FIG. 3, when the shielding wall 32 is lowered, its lower end 32d abuts on the rail 540 and stops. In this state, a relatively large gap is formed between the shielding wall 32 and the floor 10g, and the shielding wall 32 cannot function as a fire shutter.

Based on the operation of the comparative example, the automated warehouse system 100 according to the embodiment will be described. FIG. 4 is a front view showing the periphery of the shielding wall 32 of the automated warehouse system 100. FIG. 4 corresponds to FIG. As shown in FIG. 4, the rail 40 extends in the X-axis direction and is supported by the floor 10 g via the rail support member 40s. The rail support member 40s may be a spacer.

(Gap mechanism)
The rail 40 is provided with a gap mechanism 40 m configured so that a gap 40 g is provided in a region through which the shield wall 32 passes when shielding is performed by the shield wall 32. The gap mechanism 40 m may be configured so that there is no gap during normal use and a gap of 40 g is provided when shielding is performed by the shielding wall 32. In the example of FIG. 4, the gap mechanism 40 m is configured to have a gap of 40 g at all times, including during normal use.

The distance X1 in the X-axis direction of the gap 40 g is a size obtained by adding a sufficient amount of margin to the dimension X2 in the X-axis direction of the shield wall 32 so that the shield wall 32 can pass through without interfering with the end of the rail 40. It is said to be. That is, the distance X1 is defined to be larger than the dimension X2. This makes it possible to lower the shielding wall 32 to the floor 10 g without being disturbed by the rail 40. The child carriage 14 travels on the rail 40 in the X-axis direction with the load 12 loaded. In this example, the child carriage 14 travels in the direction of arrow E.

(Child dolly)
Next, the child carriage 14 will be described with reference to FIGS. 5 and 6. FIG. 5 is a plan view showing an example of the child carriage 14. FIG. 6 is a front view showing an example of the child carriage 14. The child carriage 14 mainly includes a vehicle body 14b, a mounting portion 14c, a lift mechanism 14d, a plurality of (for example, 4 sets) wheel units 14f, and a current collector unit 56. The vehicle body 14b has a substantially rectangular parallelepiped contour that is flat in the vertical direction. Inside the vehicle body 14b, a motor (not shown) for driving a plurality of wheel units 14f and a control circuit (not shown) for controlling the motors are mounted. The child carriage 14 may have a built-in battery and may be configured to drive the motor by the electric power of the battery. In this example, the child carriage 14 includes a current collector unit 56, and is configured to drive the motor by the electric power received from the feeder line 50 via the current collector unit 56. The configuration of the feeder line 50 and the current collector unit 56 will be described later.

The mounting portion 14c is a portion for lifting and holding the load 12. The lift mechanism 14d is a mechanism for raising and lowering the mounting portion 14c. FIG. 6 shows a state in which the lift mechanism 14d raises the mounting portion 14c. The lift mechanism 14d can raise the mounting portion 14c to lift the load 12 from the accommodating portion 26. The lift mechanism 14d can lower the mounting portion 14c to lower the load 12 onto the accommodating portion 26. The plurality of wheel units 14f travel on the rail 40.

If there is a gap of 40 g in the rail 40, it is conceivable that the wheels of the child carriage 14 will fit into the gap 40 g and hinder the traveling of the child carriage 14. Therefore, in this example, as shown in FIGS. 4 and 5, the child carriage 14 includes four sets of wheel units 14f arranged on the front left and right and the rear left and right, and each wheel unit 14f has a plurality (for example, two). Contains 14 g of wheels. In other words, the child carriage 14 is provided with a plurality of wheels 14g per wheel unit 14f. Since a plurality of wheels 14g are provided for one wheel unit 14f, when one of the plurality of wheels 14g passes over the gap 40g, the other wheels can support the child carriage 14. Therefore, the child carriage 14 can travel on the rail 40 having a gap of 40 g.

The distance between the centers of rotation of the plurality of wheels 14 g is defined as the distance X3. If the distance X3 in the X-axis direction of the plurality of wheels 14g is too small, it is conceivable that the wheel unit 14f swings up and down when passing through the gap 40g. When the wheel unit 14f sways, the child carriage 14 and the load 12 also sway, and there is a concern that these may be adversely affected. Therefore, in this example, as shown in FIG. 4, the distance X3 between the plurality of wheels 14g of each wheel unit 14f is set longer than the distance X1 of the gap 40g. Since the distance X3 is large, the shaking when the wheel unit 14f passes through the gap 40g can be reduced.

Next, a case where the accommodation row 24 is provided in N (N ≧ 2) or more steps in the height direction will be described. When the accommodation row 24 has two or more stages, the gap 40 g may be provided on each of the rails of each stage, or may not be provided on the rail of the first stage. In this example, the rail 40 corresponding to the N-th stage accommodation row 24 is provided with a gap 40 g, and the rail 40 corresponding to the first-stage accommodation row 24 is not provided with a gap 40 g. FIG. 7 is a front view showing the periphery of the shielding wall 32. FIG. 8 is a side view showing the periphery of the shielding wall 32. FIG. 8 shows the shielding wall 32 as viewed from the arrow F in FIG. 7. In this description, the rail of the first-stage accommodation row 24 is the rail 40 (A), the rail of the second-stage accommodation row 24 is the rail 40 (B), and the rail of the third-stage accommodation row 24 is the rail 40. Notated as (C). As shown in FIG. 7, the second and third rails 40 (B) and (C) are provided with a gap mechanism 40 m, and the first rail 40 (A) is provided with a gap mechanism. 40m is not provided. In this case, the first-stage rail 40 (A) may be continuous in the region where the shielding wall 32 descends.

As shown in FIG. 8, in order to lower the shielding wall 32 to the floor 10g, the shielding wall 32 is provided with an interference avoiding portion 32h for avoiding interference with the rail 40 (A). The configuration of the interference avoiding portion 32h is not particularly limited as long as interference with the rail 40 (A) can be avoided. In this example, the interference avoidance portion 32h is a recess recessed upward in the Z-axis direction at the lower part of the shielding wall 32. The shape of the concave portion of the interference avoiding portion 32h may be a shape in which a margin is added to the outer contours of the rail 40 (A) and the rail 40 (A). By lowering the shielding wall 32 to the floor 10 g, the effect of reducing the intrusion of flames in that portion can be expected.

Next, an example in which a gap mechanism 40n having a different configuration is provided instead of the gap mechanism 40m will be described. FIG. 9 is a front view showing an example in which the rail 40 is provided with the opening / closing type gap mechanism 40n. 9 (a) shows a state before the shielding wall 32 comes into contact with the gap mechanism 40n of the rail 40, and FIG. 9 (b) shows a state where the shielding wall 32 comes into contact with the gap mechanism 40n. c) shows a state in which the shielding wall 32 has passed through the gap mechanism 40n. The gap mechanism 40n includes a movable portion 40r that is a part of the rail 40. The movable portion 40r is rotatably attached to the end portion 40b of the rail 40 around the hinge portion 40c.

As shown in FIG. 9A, in the steady state, the movable portion 40r is continuously arranged on the extension of the end portion 40b, and the gap mechanism 40n is closed. When the shielding wall 32 descends and pushes the movable portion 40r downward, the movable portion 40r rotates to open the gap mechanism 40n. When the shielding wall 32 further descends, the movable portion 40r further rotates to open the gap mechanism 40n more widely and pass through the shielding wall 32. As described above, the gap mechanism 40n is configured so that a gap 40 g is provided in the region through which the shield wall 32 passes when the shield wall 32 shields. The movable portion 40r may be urged by an urging means (not shown) such as a spring so as to close the gap mechanism 40n at a steady state. The gap mechanism 40n may be opened by the output of a power source (not shown) such as a motor when the shielding wall 32 passes, or may be opened by the gravity of the shielding wall 32. When this gap mechanism 40n is used, since the rails 40 are continuous, the shaking when the child carriage 14 passes is small. Therefore, it is not necessary to use the child carriage 14 provided with the wheel unit 14f composed of a plurality of wheels 14g as shown in FIGS. 5 and 6. That is, even a child trolley provided with a wheel unit composed of one wheel can reduce the shaking when passing through a gap of 40 g. However, it is necessary to make the structure so that the gap mechanism 40n does not open due to the pressing force of the wheel when the child carriage 14 passes.

(Shielding wall)
Next, the shielding wall 34 will be described. FIG. 10 is a side view showing the periphery of the shielding wall. FIG. 11 is a plan view of the master trolley. As described above, the automated warehouse system 100 has a rail 42 extending in the second direction intersecting the first direction, and a master dolly 16 that can move in the second direction with the child dolly 14 mounted on the rail 42. is doing.

The rail 42 includes a gap mechanism 42m configured so that a gap 42 g is provided in a region through which the shield wall 34 passes when the shield wall 34 shields the rail 42. The gap mechanism 42m may be configured so that there is no gap during normal use and a gap 42g is opened when shielding is performed by the shielding wall 34. In the example of FIG. 10, the gap mechanism 42m is configured to have a gap 42g at all times, including during normal use.

The distance Y1 in the Y-axis direction of the gap 42 g is a size obtained by adding a sufficient amount of margin to the dimension Y2 in the Y-axis direction of the shield wall 34 so that the shield wall 34 can pass through without interfering with the end of the rail 42. It is said to be. That is, the distance Y1 is set to be larger than the dimension Y2. This makes it possible to lower the shielding wall 34 to the floor 10 g without being disturbed by the rail 42. The master trolley 16 travels on the rail 42 in the Y-axis direction with the child trolley 14 loaded.

(Parent dolly)
The main bogie 16 mainly includes a vehicle body 16b, a loading unit 16c, a plurality of wheel units 16f, and a current collecting unit 57. The vehicle body 16b has a substantially rectangular parallelepiped contour that is flat in the vertical direction. Inside the vehicle body 16b, a motor (not shown) for driving each wheel unit 16f and a control circuit (not shown) for controlling the motor are mounted. In this example, like the child carriage 14, the master carriage 16 also includes a current collector unit 57, and is configured to drive the motor by the electric power received from the feeder line 51 via the current collector unit 57. The configuration of the feeder line 51 and the current collector unit 57 will be described later. The loading portion 16c is formed so as to be recessed downward from the upper surface of the vehicle body 16b for mounting the child carriage 14. The size of the loading portion 16c is defined as the size of the slave trolley 14 plus a sufficient margin so that the slave trolley 14 can travel in the X-axis direction without interfering with the surroundings of the loading portion 16c. .. The wheel unit 16f travels on the rail 42.

(Wheel unit)
If there is a gap 42 g in the rail 42, it is considered that the wheels 16 g of the master carriage 16 fit into the gap 42 g and hinder the traveling of the master carriage 16. Therefore, in this example, as shown in FIGS. 10 and 11, the master carriage 16 includes four sets of wheel units 16f arranged on the front left and right and the rear left and right, and each wheel unit 16f has a plurality (for example, two). Contains 16g of wheels. In other words, the wheels 16g of the master carriage 16 are provided with a plurality of wheels 16g per wheel unit 16f. Since a plurality of wheels 16g are provided for one wheel unit 16f, when one of the plurality of wheels 16g passes over the gap 42g, the other wheels can support the master carriage 16. Therefore, the master carriage 16 can travel on the rail 42 having a gap of 42 g.

The distance between the centers of rotation of the plurality of wheels 16 g is defined as the distance Y3. If the distance Y3 in the Y-axis direction of the plurality of wheels 16g is too small, it is conceivable that the wheel unit 16f swings up and down when passing through the gap 42g. When the wheel unit 16f sways, the main dolly 16 and the load 12 also sway, and there is a concern that these may be adversely affected. Therefore, in this example, as shown in FIG. 10, the distance Y3 between the plurality of wheels 16g of each wheel unit 16f is set longer than the distance Y1 of the gap 42g. Since the distance Y3 is large, the shaking when the wheel unit 16f passes through the gap 42g can be reduced.

In order to avoid interference with the first-stage rail, the shielding wall 34 may be provided with an interference avoiding portion having the same configuration as the interference avoiding portion 32h of the shielding wall 32. In this case, the gap mechanism 42m may not be provided on the first-stage rail. Instead of the gap mechanism 42m, the rail 42 may be provided with an open / close type gap mechanism having the same configuration as the gap mechanism 40n of the rail 40.

(Feeding line)
Next, the feeder line 50 and the feeder line 51 will be described. Here, for the sake of simplicity, only the feeder line 50 will be described, but the feeder line 51 also has the same configuration as the feeder line 50. The automated warehouse system 100 includes a feeder line 50 for supplying power to the child carriage 14. The feeder line 50 extends in the vicinity of the rail 40 in the X-axis direction and functions as a contact electric wire for feeding power to the slave carriage 14 through the current collector unit. The feeder line 50 may be referred to as a trolley line. The feeder line 50 is provided so that there is no gap when the shield wall 32 is not shielded, and there is a gap when the shield wall 32 is shielded.

FIG. 12 is a plan view showing the periphery of the gap mechanism 50 m of the feeder line 50 of the automated warehouse system 100. FIG. 13 is a front view showing the periphery of the gap mechanism 50 m. FIG. 13A shows a state in which the gap mechanism 50m is closed, and FIG. 13B shows a state in which the gap mechanism 50m is open. It should be noted that, for the sake of simplicity, the gap near the movable portion 50r and the gap near the end portion 50b are exaggerated and described here, but the intervals are actually shorter. This interval is preferably as short as possible for the stability of feeding. FIG. 14 is a rear view showing a current collector unit 56 that receives power from the feeder line 50. FIG. 14 shows the current collector unit 56 as viewed from the direction of the arrow H in FIG. In these figures, the description of auxiliary members such as wires for power transmission and columns supporting the feeder line 50 is omitted.

As shown in FIG. 13, the feeder line 50 includes a holding portion 52 and a conductor portion 54. The conductor portion 54 has a conductor base portion 54b and a plurality of (for example, five) convex portions 54c protruding from the conductor base portion 54b in the Y-axis direction. The convex portion 54c is a portion that comes into contact with the current collector unit 56 to supply electric power. The holding portion 52 covers the conductor portion 54 from the back surface, the upper surface, and the lower surface, and holds the conductor portion 54 in an insulated state. The holding portion 52 has a main body portion 52b extending in the Z-axis direction on the back surface side of the conductor portion 54, and a side portion 52c extending in the Y-axis direction from the upper and lower ends of the main body portion 52b. The holding portion 52 is fixed to, for example, the floor 10 g by a support column (not shown) or the like.

The feeder line 50 includes a gap mechanism 50 m configured so that a gap 50 g is provided in a region through which the shield wall 32 passes when shielding is performed by the shield wall 32. In other words, the feeder line 50 is configured such that the gap 50 g is not vacated when the gap mechanism 50 m is closed, and the gap 50 g is vacant when the gap mechanism 50 m is open. The gap mechanism 50m includes a movable portion 50r that is a part of the feeder line 50. The movable portion 50r is rotatably attached to the end portion 50b of the feeder line 50 around the hinge portion 50c.

As shown in FIG. 13A, the movable portion 50r is continuously arranged on the extension of the end portion 50b when the shielding wall 32 is not in contact with the gap mechanism 50m of the feeder line 50, and the gap mechanism 50m is provided. Is closed. When the shielding wall 32 descends and pushes the movable portion 50r downward, the movable portion 50r rotates to open the gap mechanism 50m. When the shielding wall 32 further descends, as shown in FIG. 13B, the movable portion 50r further rotates to open a gap of 50g and allows the shielding wall 32 to pass through.

The movable portion 50r may be urged by an urging means (not shown) such as a spring so as to close the gap mechanism 50m at a steady state. In this case, a stopper 50s may be provided to regulate the position of the movable portion 50r in a steady state. The gap mechanism 50m may be configured to be opened by the output of a power source (not shown) such as a motor when the shielding wall 32 passes through. In this example, the gap mechanism 50m of the feeder line 50 is configured so that when the shielding wall 32 is shielded, the gap 50g is opened according to the contact force when the shielding wall 32 comes into contact with the shielding wall 32. That is, the gap mechanism 50m is configured to be opened by the gravity of the shielding wall 32.

(Current collector unit)
The current collecting unit 56 of the child carriage 14 will be described. Although the description of the current collecting unit 57 of the master carriage 16 is omitted, the configuration is the same as that of the current collecting unit 56 of the slave carriage 14 described later. The current collector unit 56 contacts the feeder line 50 to receive electric power. The current collector unit 56 has a contact portion made of a conductive material and a support portion made of an insulating material that supports the contact portion. In the example of FIG. 12, the current collector unit 56 includes a pair of contact portions 56e and 56f exemplified as contact portions and a pair of support arms 56a and 56b exemplified as support portions. The pair of contact portions 56e and 56f are arranged apart from each other in the X-axis direction so as to come into contact with the conductor portion 54 of the feeder line 50. In this example, the pair of contact portions 56e and 56f are rod-shaped members extending in the X-axis direction. The pair of support arms 56a and 56b are arranged in the X-axis direction so as to support the pair of contact portions 56e and 56f. In this example, the pair of support arms 56a and 56b are rod-shaped members extending in a direction inclined with respect to the X-axis direction.

The central portion of the contact portion 56e in the X-axis direction is rotatably attached to the tip of the support arm 56a via the first hinge 56c. The central portion of the contact portion 56f in the X-axis direction is rotatably attached to the tip of the support arm 56b via the first hinge 56c. The base end portions of the pair of support arms 56a and 56b are rotatably attached to both sides of the relay portion 56h via the second hinge 56g so as to be separated from each other in the X-axis direction. A predetermined urging force may be applied to the pair of support arms 56a and 56b to press the pair of contact portions 56e and 56f against the conductor portion 54.

As shown in FIG. 14, each of the pair of contact portions 56e and 56f includes a plurality of (for example, five) contact bodies 56d arranged apart from each other in the Z-axis direction. The plurality of contact bodies 56d are arranged so as to come into contact with the plurality of protrusions 54c. The plurality of contacts 56d send electric power to the slave carriage 14 by a lead wire (not shown).

When one of the contact portions of the current collector unit 56, for example, the contact portion 56e, is at a position corresponding to the gap mechanism 50m, the contact portion 56e may have some instability in contact with the feeder line 50. Even in that case, since the contact portion 56f is located at a position that does not correspond to the gap mechanism 50m, power can be normally supplied by the contact portion 56f. This is because the X-direction distance between the contact portions 56e and 56f is equal to or greater than the X-direction distance of the gap mechanism 50m.

Next, an example in which a gap mechanism 50n having a different configuration is provided instead of the gap mechanism 50m will be described. FIG. 15 is a front view showing the periphery of the gap mechanism 50n of the feeder line 50. In FIG. 15, the description of the rail 40 and the support column 52s described later is omitted. FIG. 15A shows a state in which the gap mechanism 50n is closed, and FIG. 15B shows a state in which the gap mechanism 50n is open. FIG. 16 is a cross-sectional view taken along the JJ line of the feeder line 50. In the example of FIG. 12, the conductor portion 54 is arranged so as to face sideways in the Y-axis direction, whereas in the example of FIG. 15, the conductor portion 54 is arranged so as to face downward in the Z-axis direction. Therefore, as shown in FIG. 16, the pair of contact portions 56e and 56f are in contact with the conductor portion 54 from the Z-axis direction. The holding portion 52 is fixed to a constant height from the floor 10 g by the support columns 52s.

As for the gap mechanism 50n, the description of the gap mechanism 50m can be applied. The gap mechanism 50n operates in the same manner as the gap mechanism 50m. As shown in FIG. 15A, the gap mechanism 50n is closed by the movable portion 50r in the steady state. As shown in FIG. 15B, when the shielding wall 32 descends, the movable portion 50r rotates to open a gap of 50g and allows the shielding wall 32 to pass through.

(control panel)
Next, other configurations of the control panel 18 and the automated warehouse system 100 will be described. FIG. 17 is a block diagram of the automated warehouse system 100 according to the embodiment. As shown in FIG. 17, the automated warehouse system 100 further includes a control unit 36, an operation unit 38b, a state detection unit 38c, a first detection unit 38e, and a second detection unit 38f. The control panel 18 is provided in the vicinity of the storage shelf 20 and houses the control unit 36 and the operation unit 38b. The control unit 36 controls the operation of the child carriage 14 and the master carriage 16.

The operation unit 38b receives an operation from the user and outputs the operation result to the control unit 36. The operation unit 38b accepts operations such as starting and stopping the automated warehouse system 100, starting and releasing the shielding of the shielding wall 32 and the shielding wall 34, and retracting the slave trolley 14 and the master trolley 16. The state detection unit 38c detects the state of the shielding operation of the shielding wall 32 and the shielding wall 34 on the storage shelf 20 due to a fire or the like. The first detection unit 38e detects the position of the child carriage 14 on the rail 40 and outputs the detection result to the control unit 36. The second detection unit 38f detects the position of the master carriage 16 on the rail 42 and outputs the detection result to the control unit 36.

Each block of the control unit 36 shown in FIG. 17 can be realized by an element such as a CPU (Central Processing Unit) of a computer or a mechanical device in terms of hardware, and can be realized by a computer program or the like in terms of software. However, here, the functional blocks realized by their cooperation are drawn. Therefore, it is understood by those skilled in the art who have touched this specification that these functional blocks can be realized in various forms by combining hardware and software.

The control unit 36 mainly includes an operation result acquisition unit 36b, a state acquisition unit 36c, a child bogie position acquisition unit 36e, a master bogie position acquisition unit 36f, a child bogie control unit 36g, and a master bogie control unit 36h. Included in. The operation result acquisition unit 36b acquires the user's operation result from the operation unit 38b. The state acquisition unit 36c acquires a detection result from the state detection unit 38c. The child dolly position acquisition unit 36e acquires the position of the child dolly 14 from the first detection unit 38e. The master dolly position acquisition unit 36f acquires the position of the master trolley 16 from the second detection unit 38f. The child carriage control unit 36g controls the traveling of the child carriage 14. The master trolley control unit 36h controls the traveling of the master trolley 16.

(Evacuation operation)
Next, the retracting operation of the child carriage 14 and the master carriage 16 will be described. If the shielding wall 32 performs a shielding operation while the slave trolley 14 is present on the gap mechanism 40 m, the slave trolley 14 may hinder the movement of the shielding wall 32. Therefore, the control unit 36 of the automated warehouse system 100 controls the operation of the slave trolley 14 so that the slave trolley 14 moves to a position where the slave trolley 14 does not come into contact with the shielding wall 32 when the shielding by the shielding wall 32 is performed. It is configured. The same applies to the master trolley 16, and the control unit 36 controls the operation of the master trolley 16 so that the master trolley 16 moves to a position where the master trolley 16 does not come into contact with the shielding wall 34 when shielding by the shielding wall 34 is performed. It is configured as follows.

In the description of the retracting operation, the gap mechanism 40m and the gap mechanism 42m are simply referred to as a gap mechanism, and the first detection unit 38e and the second detection unit 38f are simply referred to as a position detection unit.
For example, the following procedure can be adopted as the procedure for retracting the dolly.
(1) When an emergency state such as a fire is detected or a shielding operation by the user is detected, the movement of the shielding wall is started based on the detection, and the trolley is evacuated while the shielding wall is moving.
(2) When an emergency state such as a fire is detected or a shielding operation by the user is detected, the dolly is first evacuated, and when the evacuation is completed, the shielding wall is started to move.
(3) When an emergency situation such as a fire is detected or a shielding operation by the user is detected, the dolly is started to evacuate and the elapsed time is measured, and when the evacuation is completed or the elapsed time is set to a predetermined time. When it exceeds, the movement of the shielding wall is started. That is, even if the evacuation is not completed, the movement of the shielding wall is started after a predetermined time has elapsed. In this case, even if the dolly cannot be retracted due to a failure or the like, the shielding wall can be moved after a predetermined time has elapsed.

An example of the evacuation operation of the automated warehouse system 100 according to the procedure (1) described above will be described with reference to FIG. FIG. 18 is a flowchart showing an example of the evacuation operation, and shows the process S80 related to this operation.

When the process S80 is started, the control unit 36 acquires the operation result of the user from the operation unit 38b and determines whether or not the shielding operation has been performed (step S82). When the shielding operation is performed in step S82 (Y in step S82), the control unit 36 shifts the process to step S86.

When the shielding operation is not performed in step S82 (N in step S82), the control unit 36 acquires the detection result from the state detecting unit 38c and determines whether or not the shielding operation of the shielding wall is started (step S84). ). When the shielding operation is started in step S84 (Y in step S84), the control unit 36 shifts the process to step S86.

When the shielding operation is not started in step S84 (N in step S84), the control unit 36 returns the process to the beginning of step S82 and repeats the processes of steps S82 to S84.

After shifting to step S86, the control unit 36 acquires the position of the bogie from the position detection unit (step S86). After acquiring the position of the bogie, the control unit 36 determines whether or not the bogie is located on the gap mechanism (step S88). When the dolly is located on the gap mechanism (Y in step S88), the control unit 36 moves the dolly (step S90). In this step, the control unit 36 controls the bogie to travel to a position away from the gap mechanism. After moving the dolly, the control unit 36 returns the process to the beginning of step S86, and repeats the processes of steps S86 to S90.

When the bogie is not located on the gap mechanism (N in step S88), the control unit 36 stops the bogie at that position (step S92). When the dolly is stopped, this process S80 ends. The above-mentioned process S80 is merely an example, and other steps may be added, some steps may be changed or deleted, or the order of the steps may be changed.

Next, the operation / effect of the automated warehouse system 100 according to the embodiment will be described.

The automated warehouse system 100 according to the embodiment is an automated warehouse system capable of storing the load 12, and includes a rail 40 extending in the X-axis direction and a plurality of wheel units 14f traveling on the rail 40, and the load 12 is provided. A child trolley 14 that can move in the X-axis direction with the child trolley 14 mounted, a control unit 36 that operates the child trolley 14 to control the storage of the load 12, and a predetermined area is shielded by moving in the height direction. The rail 40 has a possible shielding wall 32, and the rail 40 is provided with a gap of 40 g in a region through which the shielding wall 32 passes when shielding by the shielding wall 32 is performed. Each wheel unit 14f has a plurality of wheels 14g.

According to this configuration, the shielding wall 32 can pass through the gap 40g and move to the vicinity of the floor 10g. In this case, the shielding effect by the shielding wall 32 can be enhanced as compared with the case where the gap 40 g is not provided.

The automated warehouse system 100 according to the embodiment is an automated warehouse system capable of storing the load 12, and supplies power to the slave trolley 14 that can move in the X-axis direction with the load 12 loaded and the slave trolley 14. Therefore, the power supply line 50 provided along the X-axis direction, the control unit 36 for operating the slave trolley 14 to store the load, and the area where the slave trolley 14 moves by moving in the height direction are shielded. The feeding line 50 has a possible shielding wall 32, so that there is no gap when the shielding wall 32 is not shielded, and a gap of 50 g is opened when the shielding wall 32 is shielded. Is provided in.

According to this configuration, the shielding wall 32 can pass through the gap 50 g and move to the vicinity of the floor 10 g. In this case, the shielding effect by the shielding wall 32 can be enhanced as compared with the case where the gap 50 g is not provided.

The above description has been made based on the embodiment of the present invention. These embodiments are exemplary, and those skilled in the art will appreciate that various modifications and modifications are possible within the claims of the invention, and that such modifications and modifications are also within the claims of the present invention. It is about to be understood. Therefore, the descriptions and drawings herein should be treated as exemplary rather than limiting.

Hereinafter, a modified example will be described. In the drawings and description of the modified examples, the same or equivalent components and members as those in the embodiment are designated by the same reference numerals. The description that overlaps with the embodiment will be omitted as appropriate, and the configuration different from the embodiment will be mainly described.

(First modification)
In the description of the automated warehouse system 100 of the embodiment, an example in which a feeder line 50 for supplying power to the child carriage 14 and a feeder line 51 for supplying power to the master carriage 16 are provided has been described, but the present invention is limited thereto. Not done. Only one of the feeder lines 50 and 51 may be provided. In that case, a battery or the like is provided on the trolley on which the feeding line is not provided, and the trolley may be operated by the electric power charged in the battery. Alternatively, the bogie on which the feeding line is not provided may be fed by wireless power feeding. Even if neither the child carriage 14 nor the master carriage 16 is provided with the feeder lines 50 and 51, the rails 40 and 42 are divided as described in the embodiment, and one wheel unit is composed of a plurality of wheels. If it is done, the shielding effect by the shielding wall can be obtained.

(Second modification)
In the description of the automated warehouse system 100 of the embodiment, an example in which both the child carriage 14 and the master carriage 16 are provided has been described, but the present invention is not limited thereto. Only one of the child carriage 14 and the master carriage 16 may be provided.

(Third modification example)
In the description of the automated warehouse system 100 of the embodiment, an example in which a gap mechanism 50 m is provided in each feeder line 50 on a plurality of floors including the first floor has been described, but the present invention is not limited thereto. The feeder line 50 on the first floor does not have to be provided with the gap mechanism 50 m. In this case, the shielding wall 32 may be provided with a structure for avoiding interference with the feeder line 50.

(Fourth modification)
In the description of the automated warehouse system 100 of the embodiment, an example in which the rail 40 and the rail 42 are provided with the clearance mechanisms 40 m and 42 m, respectively, has been described, but the present invention is not limited thereto. If the gap mechanism is provided only in either the rail 40 or the rail 42, the rail on which the gap mechanism is provided can pass through the shielding wall, so that the shielding effect by the shielding wall is preferable. Obtainable.

(Fifth modification)
In the description of the automated warehouse system 100 of the embodiment, an example in which the master carriage 16 does not have an elevating mechanism has been described, but the present invention is not limited thereto. For example, the master carriage may be a stacker crane having an elevating mechanism. In this case, the load 12 can be conveyed in the Y-axis direction and moved up and down in the vertical direction.

(6th modification)
In the description of the automated warehouse system 100 of the embodiment, an example of moving the load 12 in and out of the master trolley 16 by moving the child trolley 14 on which the load 12 is loaded into and out of the master trolley 16 has been described. Not limited to this. The master trolley may be provided with a known transfer mechanism such as a movable arm, and the transfer mechanism may be used to load and unload the child trolley 14.

(7th modification)
In the description of the automated warehouse system 100 of the embodiment, an example in which the load 12 includes the pallet 12p has been described, but the present invention is not limited thereto. It is not mandatory for the load to include pallets, and the automated warehouse system may handle loads that do not contain pallets.

(8th modification)
In the description of the automated warehouse system 100 of the embodiment, an example in which the master carriage 16 moves only in the Y-axis direction and does not move in the vertical direction has been described, but the present invention is not limited thereto. For example, a lifting device for raising and lowering the master trolley 16 in the vertical direction may be provided so that the master trolley 16 can be moved between each stage.

(9th modification)
In the description of the automated warehouse system 100 of the embodiment, an example in which the child carriage 14 is provided in each row of each stage has been described, but the present invention is not limited thereto. It is not essential that the child carriage 14 is provided in each row of each stage, and it is not always necessary to provide the child carriage 14 in each stage.

Each of these modifications has the same configuration as that of the automated warehouse system 100 of the embodiment, and thus has the same effect as that of the automated warehouse system 100 described above.

In the drawings used for the explanation, the cross sections of some members are hatched in order to clarify the relationship between the members, but the hatching does not limit the materials and materials of these members.

100 ... Automatic warehouse system, 12 ... Load, 14 ... Child trolley, 14c ... Mounting part, 14f ... Wheel unit, 14g ... Wheels, 16 ... Master trolley, 16f ... Wheel unit, 16g ...・ Wheels, 24 ・ ・ Containment line, 32 ・ ・ Shielding wall, 34 ・ ・ Shielding wall, 36 ・ ・ Control unit, 40 ・ ・ Rail, 40g ・ ・ Gap, 42 ・ ・ Rail, 42g ・ ・ Gap, 50 ・ ・Power supply line, 50g ... Gap, 56 ... Current collection unit, 56e ... Contact part, 56f ... Contact part.

Claims (14)

An automated warehouse system that can store cargo
The first rail extending in the first direction and
A first bogie that has a plurality of wheel units running on the first rail and can move in the first direction with a load loaded on the first rail.
A control unit that operates the first trolley to control the storage of loads, and
It has a shielding wall that can shield a predetermined area by moving in the height direction.
The first rail is provided with a first gap in a region through which the shielding wall passes when shielding by the shielding wall is performed.
The first trolley is an automated warehouse system characterized by having a plurality of wheels per wheel unit. The automated warehouse system according to claim 1, wherein the distance between the plurality of wheels per one wheel unit is longer than the distance of the first gap. A second rail extending in the second direction intersecting the first direction,
A plurality of wheel units traveling on the second rail are provided, and a second trolley that can move in the second direction with the first trolley mounted therein is further provided.
The automated warehouse system according to claim 1 or 2, wherein the first trolley is movable in the first direction with a load on it. The second rail is provided with a second gap in the region through which the shielding wall passes when the shielding by the shielding wall is performed.
The automated warehouse system according to claim 3, wherein the second carriage is provided with a plurality of wheels per wheel unit. A second rail extending in the second direction intersecting the first direction,
A plurality of wheel units traveling on the second rail are provided, and a second trolley that can move in the second direction with a load loaded is further provided.
The automated warehouse system according to claim 1 or 2, wherein the first trolley is movable in the second direction with the second trolley mounted on the trolley. Storage shelves that can store loads are provided in N (N ≧ 2) or more stages in the height direction.
The first rail is provided for each of the N or more stages of accommodation rows.
In the area where the shielding wall passes when the shielding by the shielding wall is performed, the first rail corresponding to the N-th stage accommodating row is provided with the first gap, and the first-stage accommodating row is provided. The automated warehouse system according to any one of claims 1 to 5, wherein the first rail corresponding to the above is not provided with the first gap. The control unit is characterized in that it controls the operation of the first trolley so that the first trolley moves to a position where the first trolley does not come into contact with the shielding wall when the shielding by the shielding wall is performed. The automated warehouse system according to any one of 1 to 6. Further having a feeder line provided along the first direction for supplying power to the first carriage.
The feeder is provided so that there is no gap when it is not shielded by the shielding wall, and there is a gap when it is shielded by the shielding wall. Item 1. The automated warehouse system according to any one of Items 1 to 7. The eighth aspect of claim 8, wherein the feeder line is provided so as to have a gap according to the contact force when the shielding wall comes into contact with the shielding wall when the shielding is performed. Automated warehouse system. The first carriage is characterized by having a pair of contact portions arranged apart from each other in the first direction so as to be in contact with the feeder line, and a support portion for supporting the pair of contact portions. The automated warehouse system according to claim 8 or 9. The automated warehouse system according to claim 10, wherein the pair of contact portions are rotatably supported with respect to the support portion. An automated warehouse system that can store cargo
The first dolly that can move in the first direction,
A feeder line provided along the first direction for supplying power to the first carriage, and
A control unit that operates the first trolley to control the storage of loads, and
It has a shielding wall that can shield the area where the first carriage moves by moving in the height direction.
The feeder line is provided so that there is no gap when it is not shielded by the shielding wall, and there is a gap when it is shielded by the shielding wall. Warehouse system. The first carriage is characterized by having a pair of contact portions arranged apart from each other in the first direction so as to be in contact with the feeder line, and a support portion for supporting the pair of contact portions. The automated warehouse system according to claim 12. The automated warehouse system according to claim 13, wherein the pair of contact portions are rotatably supported with respect to the support portion.

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