JPH10220059A - Device for storing chassis for container - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a device for efficiently storing several chassises in a limited space, which can efficiently introduce and deliver a desired chassis at a desired position, and which can save a space. SOLUTION: An entrance 2c and multi-stage storage racks are arranged, adjacent to one side of an elevating space 2a defined above a pit 1 so as to constitute a storage 2. An elevator 5 which can be elevated between the elevating space 2a and the pit 1 is arranged in the storage 2, and is arranged therein with pallet slide mechanisms 14a, 14b at upper and lower two stages, and with a pallet shifting device for moving to and away from the elevator 5 by use of an upper and a lower arm which can be horizontally turned by a drive device, and pallet slide mechanisms 15 are arranged in the entrance 2c and the storage racks 2b, respectively.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a container storage device for a container.

[0002]

2. Description of the Related Art At present, containers are widely used for land and sea transportation as transport containers for the purpose of unitizing cargo, and accordingly, ships are located near ports which are points of contact for land and sea transportation. In order to efficiently transport containers by land in accordance with the arrival and departure of ports, it is desired to expand the standby area of the chassis on which the containers are mounted, but conventionally, the chassis is stored side by side on the ground. Was common.

[0003]

However, as described above, simply storing the chassis on the ground side has a disadvantage that a large amount of land is required.

SUMMARY OF THE INVENTION In view of the above circumstances, the present invention provides a container that can store a large number of chassis in a limited space, can efficiently move a desired chassis into and out of a desired position in a hangar, and can save space. It is intended to provide a chassis storage device for a vehicle.

[0005]

According to the present invention, a lift space is formed on a pit, and a storage space is formed by arranging an entrance and exit port and a multi-stage storage shelf adjacent to the side of the lift space. In the hangar, an elevator that moves up and down between a lift space and a pit is provided, and two sets of pallet slide mechanisms capable of supporting a pallet and sliding in the width direction are provided in the elevator in two vertical stages. In addition, the upper arm and the lower arm, which are horizontally turned by one driving device and whose tip portions protrude outside the elevator by a required amount during the horizontal turning, and guide members attached to the lower surface and the upper surface of the pallet, respectively. An upper engaging member and a lower engaging member protruding from the upper arm tip and the lower arm tip so as to be detachable from each other; Disposed possible pallet transfer device feeding from the elevator side, before inlet-outlet port and the storage shelves, and disposed pallet sliding mechanism capable of sliding the pallet loaded with the chassis and in the width direction can be supported,
The present invention relates to a container chassis storage device characterized in that empty pallets are placed on a pallet slide mechanism of each storage shelf.

According to the above means, the following effects can be obtained.

When the chassis is carried into the hangar, first, the elevator is moved up and down so that the upper arm of the pallet transfer device coincides with a desired storage shelf level where the chassis is not stored, and the driving device is driven to drive the elevator. The arm is turned, and the upper engagement member at the tip of the upper arm is engaged with the lower guide member on the lower surface of the empty pallet placed on the pallet slide mechanism of the storage shelf, and the pallet slides at the upper stage of the elevator. After pulling it onto the mechanism and transferring it, raise and lower the elevator so that the lower arm of the pallet transfer device matches the level of another storage shelf where the chassis is not stored, drive the drive device to move the lower arm Then, the lower engagement member of the lower arm is engaged with the upper guide member on the upper surface of the empty pallet placed on the pallet slide mechanism of the storage shelf. , The pallet transferring attract the lower pallet sliding mechanism of the elevator, and thereafter lowers the elevator, to match the upper arm of the pallet transfer device to goods movements level of entry and leaving port.

[0008] When the upper arm of the pallet transfer device is matched with the entrance / exit level of the entrance / exit port, the pallet placed on the pallet slide mechanism at the upper stage of the elevator is moved.
By turning the upper arm by the driving device, the upper arm is sent out onto the pallet slide mechanism of the entrance / exit port, an empty pallet is placed on the pallet slide mechanism of the entrance / exit port, and the upper arm is stopped at a required position on the elevator side, After the chassis is placed on the pallet with the elevator standing by at the height position of the entrance and exit, the upper arm is horizontally turned in the required direction via the upper clutch by the driving device, and the upper engagement occurs. The member is engaged with the lower guide member on the lower surface of the pallet, and the upper engagement member moves along the lower guide member with the horizontal rotation of the upper arm, and the pallet on which the chassis is mounted is a loading / unloading port. From the side to the elevator side, and is placed on the pallet slide mechanism at the upper stage of the elevator.

Next, the elevator is raised by a required amount,
The lower arm of the pallet transfer device is made to coincide with the entry / exit level of the entry / exit port, and the pallet placed on the lower pallet slide mechanism is turned by the drive unit to rotate the pallet at the entry / exit port. After the empty pallet is placed on the pallet slide mechanism of the loading / unloading port, the elevator is raised to a required height position, and the pallet is pulled out of the upper arm of the pallet transfer device. With the level of the storage shelf matched,
When horizontally pivoted in the opposite direction to the above, the pallets placed on the upper pallet slide mechanism are sent out to the storage shelf side, placed on the pallet slide mechanism on the storage shelf, and The loading of the chassis into the storage shelf is completed.

When the loading of the chassis into the desired storage rack is completed, the elevator is moved up and down so that the lower arm of the pallet transfer device coincides with the level of another storage rack in which the chassis is not stored, and the driving device is moved. When driven, the lower arm is turned, and the lower engaging member at the tip of the lower arm is engaged with the upper guide member on the upper surface of an empty pallet placed on the pallet slide mechanism of the storage shelf. After the elevator is pulled onto the lower pallet slide mechanism and transferred, the elevator is lowered, and the upper arm of the pallet transfer device is adjusted to the entrance / exit level of the entrance / exit port.

While the pallet on which the chassis is mounted is being conveyed by the elevator, an empty pallet is already set in the loading / unloading port. It will be performed efficiently in parallel with the work of loading the chassis by the elevator,
Hereinafter, as described above, the upper arm of the pallet transfer device pulls the pallet on which the chassis is placed from the loading / unloading port side to the elevator side, and the lower arm of the pallet transfer device moves the empty pallet to the elevator side. , And then the delivery of the chassis to a desired storage shelf is sequentially performed.

On the other hand, when the chassis is carried out of the hangar, the elevator is moved up and down so that the upper arm of the pallet transfer device coincides with the storage shelf where the chassis to be carried out is stored, and the upper arm is turned by the drive device. After pulling the pallet on which the chassis on the pallet slide mechanism of the storage shelf is placed on the pallet slide mechanism at the upper stage of the elevator and transferring the pallet, lift the elevator without placing the pallet on the pallet slide mechanism at the lower stage. First, the lower arm of the pallet transfer device is made to coincide with the entrance / exit level of the entrance / exit port, and the empty pallet at the entrance / exit port is temporarily turned by the drive device to lower the lower stage of the elevator. The pallet slide mechanism is pulled and transferred, and thereafter, the elevator is slightly lowered, and the pallet transfer device Match the side arm to the entry and leaving the level of the entry and leaving port.

[0013] When the upper arm of the pallet transfer device is matched with the entrance / exit level of the entrance / exit port, the pallet on which the chassis on the pallet slide mechanism at the upper stage of the elevator is mounted is turned by the driving device to rotate the upper arm. By
The pallet on which the chassis is mounted is placed on the pallet slide mechanism of the entrance / exit port, and the chassis on the pallet is towed by a towing vehicle. Empty the level palette.

While the towing vehicle is connected to the chassis on the pallet sent to the loading / unloading port, the elevator in which an empty pallet is loaded on the lower pallet slide mechanism is once pulled out. The pallet mounted on the lower pallet slide mechanism is sent out to the storage shelf side by turning the lower arm by the driving device, and the lower pallet slide mechanism is moved upward. After the pallet is not placed on the elevator, it is moved up and down to the level of the storage shelf where the next chassis to be carried out is stored, and the pallet on which the chassis is placed is turned by the drive unit to rotate the upper arm of the elevator. After pulling it onto the upper pallet slide mechanism and transferring it, it descends to the loading / unloading level and temporarily removes the empty pallet at the loading / unloading port. After the lower arm is turned to draw and transfer onto the lower pallet slide mechanism of the elevator, the pallet on which the chassis on the upper pallet slide mechanism is placed is moved to the pallet at the loading / unloading port by turning the upper arm. The chassis is sent out onto the slide mechanism, and thereafter, the chassis is sequentially carried out from the desired storage shelf of the hangar in the same manner as described above.

[0015]

Embodiments of the present invention will be described below with reference to the drawings.

FIGS. 1 to 6 show an embodiment of the present invention, in which a lift space 2a is formed on a pit 1 and a multi-stage opening / closing port 2c is formed adjacent to the side of the lift space 2a. And storage shelves 2b are formed to form a hangar 2, and an elevator 5 is arranged in the hangar 2 so as to be able to move up and down between the lift space 2a and the pit 1. A chassis is provided in the elevator 5. The pallet slide mechanism 14a that supports the pallet 3 loaded with the pallet 19 and slides in the width direction and the pallet slide mechanism 14b that supports the empty pallet 3 not loaded with the chassis 19 and slid in the width direction are vertically moved. A pallet slide mechanism 15 that supports the pallet 3 on which the chassis 19 is loaded and is slidable in the width direction is provided at the entrance / exit 2c and each of the storage shelves 2b. .

As shown in FIGS. 1 to 4, the elevator 5 has a main body frame 23 and rollers 24, 25 which extend vertically from a pit 1 to an elevating space 2a of a hangar 2 so as to extend vertically. And a winch 11 rotatably driven by a motor 7 via a speed reducer 8, and a wire rope 6 drawn out from the winch 11.
Is wound around the fixed sheave 9, and then the distal end of the wire rope 6 is fixed to the main body frame 23.

The pallet slide mechanisms 14a, 14
As shown in FIG. 4, b and 15 are a plurality of guide rollers 17 for supporting the lower surface of a leg rail member 16 disposed on the lower surface at both ends in the longitudinal direction of the pallet 3 so as to extend in the width direction of the pallet 3; It has a configuration including a plurality of auxiliary guide rollers 18 that support the rail member 16 so as to sandwich both side surfaces thereof.

The main body frame 23 of the elevator 5
Further, a pallet transfer device 26 capable of pulling the pallet 3 onto the pallet slide mechanisms 14a, 14b of the elevator 5 and sending out the pallet 3 from the pallet slide mechanisms 14a, 14b is provided.

The pallet transfer device 26 is shown in FIGS.
As shown in FIG. 2, a pedestal 28 is provided on a guide rail 27 disposed on the main body frame 23 so as to extend in the width direction of the pallet 3.
Is arranged so as to be shifted by a required amount in the width direction of the pallet 3 by the expansion and contraction operation of the cylinder 29, and a driving device 30 such as a motor and a reduction gear 31 are installed on the pedestal 28. An upper arm 32a, which is horizontally turned via an upper clutch 35a, is disposed such that a tip thereof protrudes outside the elevator 5 by a required amount during horizontal turning, and an upper member such as a roller is attached to the tip of the upper arm 32a. Joint member 33a
To the lower guide member 34b attached to the lower surface of the pallet 3 so as to be able to disengage and disengage from the lower guide member 34b, and to turn horizontally below the speed reducer 31 via the lower clutch 35b. The lower arm 32b
At the time of horizontal turning, the distal end portion is disposed so as to protrude outside of the elevator 5 by a required amount, and a lower engaging member 33b such as a roller is attached to the distal end portion of the lower arm 32b. The upper arm 32a of the pallet transfer device 26 is horizontally rotated by the pallet on which the chassis 19 is loaded. 3 or an empty pallet 3 can be pulled into the pallet slide mechanism 14a of the elevator 5 or sent out from the pallet slide mechanism 14a, while the lower arm 32 of the pallet transfer device 26 can be used.
b, only the empty pallet 3 on which the chassis 19 is not loaded is drawn onto the pallet slide mechanism 14b of the elevator 5 or the pallet slide mechanism 1
4b can be sent out from above.

The empty pallets 3 are configured to be placed on the pallet slide mechanism 15 of each storage shelf 2b.

In the drawing, reference numeral 36 denotes a platform for filling a gap formed between the pallet 3 and the ground at the loading / unloading level.

Next, the operation of the illustrated example will be described.

When the chassis 19 is carried into the storage 2, first, the upper arm 3 of the pallet transfer device 26 is moved to a desired storage shelf 2 b where the chassis 19 is not stored.
The elevator 5 is moved up and down so that the upper clutch 2a coincides, the drive device 30 is driven in a state in which the upper clutch 35a is engaged, and the upper arm 32a is turned. After the pallet 3 is engaged with the lower guide member 34b of the lower surface of the empty pallet 3 placed on the slide mechanism 15, and the pallet 3 is drawn onto the pallet slide mechanism 14a at the upper stage of the elevator 5, the chassis 19 is moved. Another storage shelf 2 that is not stored
b, the lower arm 32b of the pallet transfer device 26
The elevator 5 is raised and lowered so that the lower arm 32b is turned by driving the driving device 30 with the lower clutch 35b engaged, and the lower engagement member 33b at the tip of the lower arm 32b is stored in the storage shelf. 2b pallet slide mechanism 1
The upper pallet 3 is engaged with the upper guide member 34a on the upper surface of the empty pallet 3 placed on the pallet 5, and the pallet 3 is pulled onto the lower pallet slide mechanism 14b of the elevator 5 and transferred.
Thereafter, the elevator 5 is lowered, and the upper arm 32a of the pallet transfer device 26 is made to coincide with the entry / exit level of the entry / exit port 2c.

The upper arm 3 of the pallet transfer device 26
When 2a is matched with the entry / exit level of the entry / exit port 2c, the pallet 3 placed on the pallet slide mechanism 14a at the upper stage of the elevator 5 is moved by the driving device 30 to the upper arm 32a via the upper clutch 35a. By turning, the pallet is sent out onto the pallet slide mechanism 15 of the entrance / exit 2c, the empty pallet 3 is placed on the pallet slide mechanism 15 of the entrance / exit 2c, and the upper arm 32a is moved to the elevator 5 side as shown in FIG. While the elevator 5 is stopped at the height of the entrance / exit 2c, the towing vehicle 20 of the chassis 19 is advanced to move the pallet 3 located at the entrance / exit level of the entrance / exit 2c. After passing, the chassis 19 is placed on the pallet 3, the outrigger 21 of the chassis 19 is grounded on the pallet 3, and the towing vehicle 20 is To exit separately from Yashi 19.

Subsequently, when the upper arm 32a is horizontally turned in a required direction by the driving device 30 via the upper clutch 35a, the upper engaging member 33a is moved to a position where the tip of the upper arm 32a protrudes most in the width direction. 3
The pallet 3 on which the chassis 19 is placed is engaged with the lower guide member 34b of the lower surface, and the upper engagement member 33a rolls along the lower guide member 34b with the horizontal rotation of the upper arm 32a. Is pulled toward the elevator 5 from the entrance 2c, and is placed on the upper pallet slide mechanism 14a of the elevator 5.

Next, the elevator 5 is raised by a required amount, and the lower arm 32b of the pallet transfer device 26 is made to coincide with the loading / unloading level of the loading / unloading port 2c, and is placed on the lower pallet slide mechanism 14b. The pallet 3 is sent out onto the pallet slide mechanism 15 of the entrance / exit port 2c by the rotation of the lower arm 32b via the lower clutch 35b by the drive device 30, and onto the pallet slide mechanism 15 of the entrance / exit port 2c. After the empty pallet 3 is placed, the elevator 5 is raised to a required height position, and the upper arm 32a of the pallet transfer device 26 is adjusted to the level of the storage shelf 2b from which the pallet 3 is pulled out. When the pallet 3 is horizontally turned in the opposite direction, the pallet 3 placed on the upper pallet slide mechanism 14a is sent out to the storage shelf 2b. Is placed on the pallet slide mechanism 15 on-holding tube shelf 2b, the desired storage shelf 2 hangar 2
The carrying in of the chassis 19 to b is completed.

When the loading of the chassis 19 to the desired storage shelf 2b is completed, the pallet transfer device 26 is moved to the level of another storage shelf 2b where the chassis 19 is not stored.
The elevator 5 is moved up and down so that the lower arm 32b coincides with the lower arm 32b.
Is driven to rotate the lower arm 32b, and the lower engagement member 33b at the tip of the lower arm 32b is moved to the upper guide member 34a on the upper surface of the empty pallet 3 placed on the pallet slide mechanism 15 of the storage shelf 2b. After the pallet 3 is drawn onto the pallet slide mechanism 14b at the lower stage of the elevator 5 and transferred, the elevator 5 is lowered and the upper arm 32a of the pallet transfer device 26 is moved into the loading / unloading port 2
The entry / exit level of c is matched.

While the pallet 3 on which the chassis 19 is mounted is being conveyed by the elevator 5, an empty pallet 3 is already set in the entrance 2c. The work of placing
The loading and unloading opening 2c of the pallet 3 on which the chassis 19 is placed by the upper arm 32a of the pallet transfer device 26 will be efficiently performed in parallel with the loading operation of the chassis 19 by the elevator 5. After the pulling from the side to the elevator 5 side and the sending out of the empty pallet 3 from the elevator 5 side to the loading / unloading port 2c side by the lower arm 32b of the pallet transfer device 26 are performed, Carrying into the storage shelf 2b is performed sequentially.

On the other hand, when unloading the chassis 19 from the storage 2, the elevator 5 is moved up and down so that the upper arm 32a of the pallet transfer device 26 coincides with the storage shelf 2b where the chassis 19 to be unloaded is stored. The pallet 3 on which the chassis 19 is mounted on the pallet slide mechanism 15 of the storage shelf 2b is pulled and moved onto the upper pallet slide mechanism 14a of the elevator 5 by the rotation of the upper arm 32a via the upper clutch 35a by 30. After loading, the elevator 5 is lowered while the pallet 3 is not placed on the lower pallet slide mechanism 14b,
First, the lower arm 32b of the pallet transfer device 26 is matched with the entry / exit level of the entry / exit port 2c, and the entry / exit port 2c is set.
The pallet slide mechanism 14b at the lower stage of the elevator 5 is rotated by rotating the lower arm 32b of the empty pallet 3 in the elevator 5 through the lower clutch 35b by the driving device 30 once.
Then, the elevator 5 is slightly lowered, and the upper arm 32 of the pallet transfer device 26 is moved.
a is matched with the entry / exit level of the entry / exit port 2c.

The upper arm 3 of the pallet transfer device 26
2a is matched with the entry / exit level of the entry / exit port 2c, the pallet 3 on which the chassis 19 is mounted on the pallet slide mechanism 14a at the upper stage of the elevator 5 is moved to the drive unit 3
0 upper arm 32 via upper clutch 35a
The pallet 3 on which the chassis 19 is placed is placed on the pallet slide mechanism 15 of the entrance / exit port 2c by the rotation of a, and is put on the pallet slide mechanism 15 of the entrance / exit port 2c. The towing vehicle 20 is connected, the outrigger 21 of the chassis 19 is contracted, and the chassis 19 is towed by the towing vehicle 20 to empty the pallet 3 at the entrance / exit level of the entrance / exit port 2c.

While the towing vehicle 20 is connected to the chassis 19 on the pallet 3 sent to the entrance 2c,
The elevator 5 in which the empty pallets 3 are loaded on the lower pallet slide mechanism 14b once rises to the level of the storage shelf 2b from which the pallets 3 have been pulled out, and passes through the lower clutch 35b by the driving device 30. With the rotation of the lower arm 32b, the empty pallet 3 placed on the lower pallet slide mechanism 14b is sent out to the storage shelf 2b side, and the pallet 3 is not placed on the lower pallet slide mechanism 14b. Then, the pallet 3 on which the chassis 19 is mounted is moved up and down to the level of the storage shelf 2b where the chassis 19 to be next carried out is stored, and the pallet 3 on which the chassis 19 is mounted is moved by the upper arm 35a via the upper clutch 35a. 32a, the elevator 5 is pulled onto the pallet slide mechanism 14a at the upper stage of the elevator 5 and transferred. , And once the empty pallet 3 in the entrance 2c is pulled and transferred onto the lower pallet slide mechanism 14b of the elevator 5 by the rotation of the lower arm 32b, and then moved to the upper pallet slide mechanism 14a. The pallet 3 on which the upper chassis 19 is placed,
By rotating the upper arm 32a, the upper arm 32a is sent out onto the pallet slide mechanism 15 of the loading / unloading port 2c, and then the chassis 1 is sequentially moved from the desired storage shelf 2b of the hangar 2 as described above.
9 are carried out.

In this manner, a large number of chassis 19 can be stored in a limited space, a desired chassis 19 can be efficiently moved in and out of a desired position of the hangar, and space can be saved. The pallet 3 is transferred by the pallet transfer device 26 using the upper arm 32a and the lower arm 32b, which can be horizontally rotated, between the elevating space 2a and the entrance 2c or the storage shelf 2b. Since the height of the storage shelves 2b can be minimized and the efficiency of loading and unloading can be further improved, and the empty pallets 3 are placed on the respective storage shelves 2b, the pits 1 are located below the elevating space 2a. Pallet transfer device 2 for elevator 5
6 only needs to be deep enough to accommodate the lower arm 32b and the pallet slide mechanism 14b, and need not be provided below the entrance / exit 2c, which is effective in reducing construction costs and the like.
The upper arm 32a and the lower arm 32b of the pallet transfer device 26 can be horizontally turned by one drive device 30 via the upper clutch 35a and the lower clutch 35b, respectively. Therefore, equipment costs can be reduced.

It should be noted that the container chassis storage device of the present invention is not limited to the illustrated example described above, and it is needless to say that various modifications can be made without departing from the spirit of the present invention.

[0035]

As described above, according to the container storage device for containers of the present invention, a large number of chassis can be stored in a limited space, and a desired chassis can be efficiently moved into and out of a desired position in a hangar. In addition, space can be saved, and furthermore, the pallet is transferred between the lifting space of the hangar and the entrance / exit port or the storage shelf by the pallet transfer device using the upper arm and the lower arm which can be horizontally turned. By mounting the pallets, the height of the storage shelves can be minimized and the efficiency of loading and unloading can be further improved. In addition, by placing empty pallets on each of the storage shelves, the pits can be lifted and lowered. It is sufficient that the lower arm of the elevator pallet transfer device and the pallet slide mechanism can be accommodated below the pallet, and there is no need to install it below the entrance and exit, which is also effective in reducing construction costs In addition, since the upper arm and the lower arm of the pallet transfer device can be horizontally turned by one driving device, there is no need to provide a plurality of the driving devices, and the equipment cost can be reduced. An excellent effect that it can be achieved.

[Brief description of the drawings]

FIG. 1 is a front view of an example of an embodiment of the present invention.

FIG. 2 is a view taken in the direction of arrows II-II in FIG.

FIG. 3 is a view taken in the direction of arrows III-III in FIG. 1;

FIG. 4 is a view taken in the direction of arrows IV-IV in FIG. 1;

5 is a side view of a pallet transfer device according to an example of an embodiment of the present invention, and is a view corresponding to the view taken along the line VV of FIG. 4;

FIG. 6 is a view corresponding to the view taken along the line VI-VI in FIG. 5;

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Pit 2 Hangar 2a Elevating space 2b Storage shelf 2c Entry / exit port 3 Pallet 5 Elevator 14a Pallet slide mechanism 14b Pallet slide mechanism 15 Pallet slide mechanism 19 Chassis 20 Tow truck 26 Pallet transfer device 30 Drive device 32a Upper arm 32b Lower arm 33a Upper engaging member 33b Lower engaging member 34a Upper guide member (guide member) 34b Lower guide member (guide member) 35a Upper clutch 35b Lower clutch

Claims (1)

[Claims] An elevator space is formed on a pit, and an entrance / exit port and a multi-stage storage shelf are arranged adjacent to a side of the elevator space to form a hangar, and the elevator space is formed in the hangar. An elevator that moves up and down between the pits is provided, and in the elevator, two sets of pallet slide mechanisms that support a pallet and can slide in the width direction are provided in upper and lower stages, and inside the elevator, The upper arm and the lower arm which are horizontally turned by one driving device and whose tip portions project outside the elevator by a required amount at the time of the horizontal turn, and the upper and lower arms so that they can be disengaged from the guide members attached to the lower surface and the upper surface of the pallet, respectively. An upper engaging member and a lower engaging member protruding from an arm tip and a lower arm tip, so that the pallet can be pulled toward the elevator side and sent out from the elevator side A pallet slide mechanism capable of supporting a pallet on which a chassis is loaded and capable of sliding in the width direction, and disposing an empty pallet at each of the loading / unloading port and each storage shelf. A container chassis storage device configured to be placed on a pallet slide mechanism of a storage shelf.