JP2003312815A - Fall-down shelf type drive-in rack - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To provide a drive-in rack in which a plurality of articles can be placed on each shelf lined up in the width direction of the rack. <P>SOLUTION: In this drive-in rack, a carrying device such as a forklift drives inward to carry articles W in and out. A plurality of shelves 3A on which a plurality of the articles W can be placed in line are provided in a depth direction to compose a plurality of housing sections. The shelf 3A is parted at a center in the width direction, and each partial shelf 3 can be raised along a right/left pillar 8. At the center of the width direction of the rack, a shelf support member may be vertically provided to support a free end of the horizontal partial shelf on the right or left. <P>COPYRIGHT: (C)2004,JPO

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a drive-in rack into and out of which a carrying device such as a forklift enters and puts articles in and out.

[0002]

2. Description of the Related Art A drive-in rack is known as a rack into which a transporting device such as a forklift enters a rack to take articles in and out in units such as pallets. The drive-in rack is generally of a first-in, first-out type in which warehousing is carried out from only one direction, but there is also a drive-through type which can be taken in and out from both sides. In this specification, the drive-in rack includes a drive-in through type rack. FIG. 5 shows a conventional general drive-in rack. The space between the pillar assemblies 51 that partition the rack into the left and right is approximately one pallet (not shown), and the cantilevered pallet receivers 52 provided on the left and right pillar assemblies 51.
The left and right ends of the pallet are placed on and the articles are stored in pallet units. The space between the left and right pallet receivers 52 serves as a space for the forklift to pass through. Pallet receiver 52
Place one pallet or multiple pallets on top of each other,
On the floor, one or more pallets are piled up and down and placed flat, and the articles are stored in pallet units.

[0003]

As a transfer device such as a forklift, there is one in which two pallets are arranged side by side and an item can be transferred in units of two pallets. It is desired that such a transfer device can be used for efficient loading and unloading and can be used even in a drive-in rack. However, the conventional drive-in rack has a pillar assembly 5
Since the pallet receivers 52 provided at 1 receive both ends of the pallet, when using the above-described transport device for transporting in units of two horizontally arranged pallets, even if the frontage is simply widened, You cannot receive the center of the line. When a member for receiving the center of the arrangement of the two pallets is provided, the member interferes and the transport device cannot enter. Therefore, the transport device for each 2 pallets cannot enter the rack.

An object of the present invention is a drive-in type, but a plurality of shelves arranged in the depth direction can be arranged in the middle of the rack, and a plurality of articles can be placed side by side in the width direction on the shelves. It is to provide an inverted drive-in rack.

[0005]

A shelf-foldable drive-in rack according to the present invention is a drive-in rack into which a transporting device such as a forklift can be inserted and taken in and out, and has a plurality of articles in the width direction. A plurality of storage compartments are configured by providing a plurality of shelves that can be placed side by side in the depth direction, and the shelves can be erected along the columns of the rack. According to this configuration, since the shelves can be erected along the columns of the rack, it is possible to retract the shelves that obstruct the entrance of the transport device into the rack to the upright state along the columns. Therefore, it is possible to provide a shelf in the middle part of the rack while allowing the transfer device to enter, and to widen the frontage to provide a shelf over the entire frontage. Therefore, a plurality of articles can be placed side by side in the rack width direction. Further, such shelves can be arranged in the depth direction, and a plurality of articles can be placed side by side in the width direction on each of the shelves.

In the present invention, the shelves may be divided at the center in the width direction, and the respective divided shelves may be allowed to stand up along the left and right columns. By thus dividing the shelves, the storage space of the upright shelves can be made smaller vertically, and the shelves can be made lighter and can be easily upright.

Further, in the case where the shelves are divided as described above, a shelf supporting member for supporting the free ends of the horizontally divided left and right divided shelves may be provided upright at the center of the rack in the width direction. By providing the shelf support member in this way, the divided shelf can be supported at both ends, and a heavier article can be placed on the shelf. Further, since the shelf support member is provided upright in the center of the rack in the width direction, means for supporting the divided shelves in the horizontal state can be obtained with a simple configuration. Even if the shelf support member is erected in the center of the width direction of the rack, a plurality of articles can be placed side by side at the same time if there is an interval between the shelf support member and the rack support where a plurality of articles can be placed. The transport device for transport can be inserted into the rack.

[0008]

1 is a block diagram of a first embodiment of the present invention.
~ It demonstrates together with FIG. As shown in FIG. 2, the shelf-foldable drive-in rack 1 is a drive-in rack in which a carrier device 2 such as a forklift can be inserted into and out of which articles W can be taken in and out. This drive-in rack 1
By providing a plurality of shelves 3A in which a plurality of articles W can be placed side by side in the width direction (X direction) as shown in FIGS. 1 and 4 in the depth direction (Y direction) as shown in FIG. configuring E a (E ₁ ~E _n). Each storage compartment E is a shelf 3
A space above A and a space above the floor F below each shelf 3A. In the drive-in rack 1 having this configuration, each shelf 3A is divided into two left and right divided shelves 3 at the center in the rack width direction as shown in FIG. Each of the divided shelves 3 is supported by one end thereof so as to be able to stand up along the left and right struts 8 at one end thereof. As shown in a plan view in FIG. 3, among the shelves 3A, the innermost shelf 3A ₀ is a fixed shelf, and the other shelves 3A are supported by the rotation supporting means 9 and are in a split structure. It's a shelf. Each of the divided shelves 3, which is a tiltable shelf, is tilted by the tilting drive means 4. The innermost fixed shelf 3A ₀ is not divided and extends between the left and right columns 8. The articles W to be placed on the shelves 3 are pallet stacks in which the storage items M are placed on the pallets P as shown in FIG.

Shelf support structure 5 of drive-in rack 1
Is the left and right support pillar assembly 6 arranged side by side in the width direction as shown in FIG.
And the left and right connecting members 23 that connect the upper ends of the both pillar assemblies 6 form a front shape in a gate shape. The post assembly 6 is
A plurality of columns 8 arranged in the depth direction are assembled by upper and middle beams 21, 22 (Fig. 2) and a reinforcing material (not shown) such as a brace. The arrangement interval of the columns 8 is the depth width of the storage compartment E. The shelf support structure 5 may be a plurality of rack support structures 5 arranged side by side in units of the left and right strut assemblies 6 and the left and right connecting members 23, or may be constituted by only one unit. It may be. When installed side by side, the pillar assembly 6 becomes a common portion with the adjacent drive-in rack 1. In this embodiment, FIG. 1 shows an example in which a plurality of them are arranged in parallel.

As shown in FIG. 3, each of the divided shelves 3 is a frame in which the frame members 14 and 15 in the width direction and the depth direction are framed in a rectangular shape, and if necessary, an intermediate reinforcing member or a brace (not shown). Etc. are provided. The rotation support means 9 that supports each of the divided shelves 3 is provided in the middle stage of the strut assembly 6, for example, the middle stage of the strut 8, extends in the rack depth direction, and is connected to the base end of the divided shelves 3. The support shaft 9a is composed of a support shaft 9a and a support member 9b such as a bracket provided on the support column 8 for supporting the support shaft 9a. The support shaft 9a is fixed to the split shelf 3, and the support member 9b rotatably supports the support 9a. The rotation support means 9 may be a fixed shaft that does not rotate the support shaft 9a. In that case, the split shelf 3 is rotatably supported by the support shaft 9a. Further, the rotation support means 9 may separately support both ends in the depth direction of the base end of the split shelf 3.

The raising / lowering driving means 4 is means for raising / lowering the divided shelves 3 between a horizontal state which is a use posture and a standing state which is a standby posture. The up-and-down drive means 4 is installed in the middle part of the strut assembly 6, and is composed of a motor and a speed reducer for decelerating the output of this motor and transmitting it to the spindle 9a. When the rotation support means 9 uses the support shaft 9a as a fixed shaft, and when the both ends of the base end of the split shelf 3 in the depth direction are separately supported, the tilting drive means 4 is supported. The divided shelf 3 is driven up and down without going through the shaft 9a. The output of the raising / lowering drive means 4 may be an output capable of raising / lowering the divided shelves 3 in an empty state in which the article W is not placed.

As shown in FIG. 1, the width of each of the divided shelves 3 is set so that the articles W for two pallets can be placed side by side. Therefore, the rack front width of the shelf support structure 5 is set to a width capable of accommodating the four articles W made of the pallet stack in the width direction. The rack height is a height at which the articles W can be stacked in two steps on the shelf 3 and the articles W can be stacked in two steps on the floor surface F below the shelf 3.

A receiving member 7 for supporting the vicinity of the base ends of the divided shelves 3 in the horizontal state is provided in the middle part of the left and right strut assemblies 6.
Is provided. The receiving member 7 is a member that is cantilevered and protrudes to the inside of the left and right strut assemblies 6. A pad 16 protruding downward is provided in the vicinity of the base end of the divided shelf 3, and when the divided shelf 3 is placed in a horizontal state, the vicinity of the base end of the divided shelf 3 is supported by the receiving member 7 via the pad 16. To be done.

As shown by the chain double-dashed line in the figure, a shelf support member 10 for supporting the free ends of the horizontal left and right divided shelves 3 may be provided upright at the center in the width direction of the rack. . The shelf support member 10 is a support member 11 that is erected on the floor, and a receiving member 1 that is provided at the upper end of the support member 11 and that supports the free ends of the left and right shelves 3.
It consists of 2. A plurality of the shelf support members 10 are arranged side by side in the depth direction so as to correspond to the erectable shelves 3A. The columns 11 arranged in the depth direction may be connected to each other by a beam or a reinforcing material (not shown).

The operation of the above configuration will be described. The drive-in rack 1 is in the form out after first-, floor of the storage compartment of the deepest portion at the time of warehousing E ₁ housed (Figure 2), then fixed shelf 3 ₀ on the storage compartment E ₂ thereon , From the innermost 2
Th floor of the storage compartment E _3, go housed in the order of the storage compartment E ₄ on the shelf 3 on it. As the transporting device 2 used for loading and unloading the articles W, one that can transport two palletized articles W side by side is used. For example, a forklift having two horizontally arranged forks 2a capable of supporting one pallet P is used. Using such a transport device 2, for each of the eight articles W stored in each storage compartment E,
Store two side by side. Even when the articles W are to be unloaded, they are carried out side by side in pairs, as in the case of loading.

As shown in FIG. 2, loading and unloading by the transport device 2 is performed.
The transfer device 2 enters the drive-in rack 1 to perform the operation.
At this time, the storage compartment E that is about to enter and exit
Each shelf 3 on the entrance side is divided into shelves 3 as shown in Figs.
Evacuate while standing up. As a result, the shelf 3
You can carry out the loading and unloading work without disturbing the entry of the storage 2.
You can During warehousing work, for example, as shown in Figure 2.
Storage section E_TenThe left and right shelves 3 are stored, and
Compartment E_TenThe storage area on the next floor
Picture E ₁₁When the upper storage is finished, the storage compartment E above it₁₂of
The left and right divided shelves 3 are respectively moved by the tilting drive means 4.
Fold it upright until it is horizontal. Its defeated
The articles W are stored on the left and right shelves 3. Work like this
repeat.

According to this drive-in rack 1, since the shelves 3 lined up in the depth direction can be erected along the columns 8 of the rack, the shelves 3 that hinder the entrance of the carrier device 2 into the rack are raised. It can be retracted to the standing state by the inversion driving means 4. Therefore, the shelf 3 can be provided in the middle part of the rack, and the shelf 3 can be widened and the shelf 3 can be provided over the entire area of the rack while making the transport device 2 enterable. Therefore, the plurality of articles W can be placed side by side in the width direction on the shelf 3.

Since the shelf 3 is divided at the center in the width direction and each of the divided shelves 3 can be erected upright along the left and right columns 8, the storage space of the erected shelf 3 can be vertically reduced and the weight can be reduced. Being able to stand up easily.
When each of the divided shelves 3 is in the horizontal state, the vicinity of the base end thereof is received by the receiving member 7 provided on the support column 8. The supported article W can be supported. When the shelf supporting member 10 that receives the free ends of the divided shelves 3 is provided, the divided shelves 3 can be supported at both ends, so that a heavier article W can be placed. Even if the shelf support member 10 is erected at the center in the width direction of the rack, since the space for mounting two articles W is open between the shelf support member 10 and the rack column 8,
Conveying device 2 for simultaneously conveying two articles W side by side
Can enter the rack 1.

In each of the above-described embodiments, only one shelf 3A is provided in the middle rack, but the shelves 3A may be provided in a plurality of upper and lower shelves. For example, two shelves 3A may be provided in the upper and lower sides, and the storage compartments in the upper and lower three stages may be configured together with the floor surface. Further, in each of the above-described embodiments, the shelf 3A is a split type, but the shelf 3A is not a split type and the shelf 3A is provided on one of the left and right pillar assemblies 6.
It is also possible to support the shelf 3A so that it can be tilted up and down, and the free end of the shelf 3A in the horizontal state is supported by the other column assembly 6. In the case where the rack width is such a narrow width that two items W can be placed side by side, by making the shelf 3A non-divided in this way,
The storage space of the shelf 3A at the time of evacuation does not become too high in the vertical direction, and the shelf can be folded. Moreover, both ends of the shelf 3A can be supported with a simple structure.

[0020]

The shelf-foldable drive-in rack of the present invention allows the shelves to stand up along the columns of the rack. Therefore, although it is a drive-in type, a plurality of shelves arranged in the depth direction are arranged in the middle rack. Thus, a plurality of articles can be placed side by side in the rack width direction on each of the shelves. When the shelves are divided at the center in the width direction and each divided shelf can be erected along the left and right columns, the storage space of the erected shelves can be reduced and the shelves can be easily erected. You can When the shelf is divided, if the shelf support member that supports the free ends of the horizontal left and right split shelves is erected in the center of the rack width direction, the means for horizontally supporting the shelf is simple. And heavier items can be placed on the shelves.

[Brief description of drawings]

FIG. 1 is a front view showing an article storage state of a shelf retractable drive-in rack according to an embodiment of the present invention.

FIG. 2 is a partially omitted side view of the drive-in rack in an article storage state.

FIG. 3 is a plan view of the same drive-in rack in an article storage state.

FIG. 4 is a schematic perspective view of the drive-in rack.

FIG. 5 is a perspective view of a conventional example.

[Explanation of symbols]

1 ... drive-in rack 2 ... transporting apparatus 3 ... split shelves 3A ... shelf 3A ₀ ... fixed shelf 4 ... raisably driving means 6 ... post assembly 8 ... struts 10 ... shelf support member W ... article E, E ₁ to E _n … Storage compartment

Claims (3)

[Claims] 1. A drive-in rack in which a carrier device such as a forklift can enter and take out articles, and a plurality of shelves are provided in the depth direction so that a plurality of articles can be placed side by side in the width direction. The shelf-foldable drive-in rack is characterized by constituting a storage compartment of, and allowing the shelf to stand up along the columns of the rack. 2. The shelf-foldable drive-in rack according to claim 1, wherein the shelves are divided at the center in the width direction, and each of the divided shelves can be erected along the left and right columns. 3. The shelf-foldable drive-in rack according to claim 2, wherein a shelf support member that supports free ends of the left and right divided shelves in a horizontal state is erected at the center of the rack in the width direction.