JP2001122408A - Steel plate storage device - Google Patents

Abstract

PROBLEM TO BE SOLVED: To accommodate a pallet in a storage shelf by placing a steel plate on the pallet. SOLUTION: A steel plate storage device comprises storage shelves 3, 3a disposed in parallel at right and left sides while clamping an elevator ascending/ descending passage 2a formed above a pit 2; a pallet for storing a steel plate 15 in the storage shelves 3, 3a by placing it; and an elevator 5 having a pallet moving device which ascends/descends in an elevator ascending/descending passage 2a along the storage shelves 3, 3a and receives and gives the pallet 12 between the storage shelves 3, 3a.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a steel plate storage device, and more particularly to a steel plate storage device for temporarily storing steel plates in a steelmaking factory.

[0002]

2. Description of the Related Art In a steelmaking factory, a steel sheet rolled through a predetermined rolling process is subjected to a base treatment such as painting and color coding in the middle of a final process. The steel sheet is moved while being lifted by a crane having a lifting magnet, and is temporarily stored in a predetermined location near the pretreatment facility, for example, for several days in a stacked manner.

[0003]

However, in the storage by stacking, when the steel sheet stacked below is first taken out of the stacked steel sheets, that is, when the steel sheet is stacked first in first out, the steel sheets stacked above are stacked. Must be temporarily moved to another place and then taken out, which increases the unpacking work and reduces work efficiency.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and provides a steel plate storage device capable of placing a steel plate on a pallet, temporarily storing the pallet together with a storage shelf, and performing first-in first-out. It is intended to do so.

[0005]

According to the present invention, there is provided a storage shelf arranged side by side with an elevator hoistway formed above a pit, a pallet for placing a steel plate and storing it on the storage shelf, There is provided a steel plate storage device including an elevator having a pallet transfer device that moves up and down an elevator hoistway along a shelf to transfer a pallet to a storage shelf.

According to a preferred embodiment, each storage shelf has a plurality of pallet support rollers for supporting a longitudinal end of the pallet and a plurality of side rollers for guiding a side surface of the longitudinal end of the pallet, At both ends in the longitudinal direction of the elevator, there are provided a plurality of pallet supporting rollers for supporting the longitudinal ends of the pallets and a plurality of side rollers for guiding the side faces in the longitudinal direction of the pallets, similarly to the storage shelf.

[0007] It is preferable that the uppermost storage shelf is a steel plate transfer place for transferring a steel plate between the crane and the elevator.

The pallet is provided with a projection at the upper end of the side face of the longitudinal end of the pallet, and a guide groove which is open downward at the widthwise end of the lower surface of the pallet. Preferably, it is approximately the same as the sum of the heights of the rollers, so that a slight gap is formed between the upper surface of the pallet and the lower surface of the upper storage shelf.

The pallet transfer device includes a base that moves in the width direction of the elevator, and an arm that is provided on the base and has a protrusion that protrudes upward at the tip and that horizontally turns. By rotating the arm, the protrusion at the tip of the arm is fitted into a guide groove provided at the widthwise end of the lower surface of the pallet, the pallet is moved in the width direction, and the pallet is transferred between the elevator and the storage shelf. Is preferred.

Next, the operation of the present invention will be described. The steel plate is placed on the pallet and stored in a large number of storage shelves, so the steel plate is not damaged. A large number of storage shelves are arranged side by side on both sides of the elevator, and the elevator is raised and lowered to transfer pallets between the storage shelves and the elevator. (First-in first-out) can be performed, and therefore, work efficiency can be improved.

[0011]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A preferred embodiment of the present invention will be described below with reference to the drawings. FIG. 1 is a perspective view of the steel sheet storage device of the present invention. FIG. 2 is a front view of the storage shelf. FIG. 3 is a plan view of the steel plate storage device. FIG. 4 is a partially enlarged view showing a state where a pallet is stored on a storage shelf. FIG. 5 is a side view of the pallet transfer device. FIG. 6 is a perspective view of the pallet. FIG. 7 is a perspective view of the elevator.

1 to 7, reference numeral 1 denotes a steel plate storage device. 1a is a column of the steel plate storage device 1. Reference numeral 2 denotes a pit provided at the center of the bottom of the steel plate storage device 1, and 2a denotes an elevator hoistway formed above the pit 2. 2
b and 2c are underground portions provided on the left and right above the pit 2.
Reference numerals 3, 3a denote storage shelves provided in the vertical direction along the elevator hoistway 2a on the left and right of the elevator hoistway 2a.
The storage shelves 3 and 3a are provided in the basements 2b and 2c, and are formed integrally with the columns 1a. 4,4
a is the uppermost storage shelf of the storage shelves 3 and 3a;
And a crane (not shown) where the steel plate 15 is transferred. Reference numeral 5 denotes an elevator that moves up and down the elevator hoistway 2a. Reference numerals 6, 6a, 6b, and 6c denote ropes for elevating the elevator. Each rope 6,6a, 6
b, 6c are sheaves 7, 7b, 7d, 7e having one end fixed to the elevator 5 and the other end provided above the steel plate storage device 1.
And sheaves 7a and 7c provided in pit 2 (not shown)
, And is fixed to a drum (not shown) provided in the pit 2, and the elevator is moved up and down by driving the drum by a driving device (motor) (not shown). Numeral 8 is a guide column which is provided upright in the middle of the longitudinal end of the elevator shaft 2a. In FIG. 1, the pallet 12 is not placed on the uppermost storage shelf (steel plate transfer location) 4 of the storage shelf 3.

On the storage shelves 3 and 3a and the uppermost storage shelves (steel plate transfer places) 4 and 4a, a number of pallet support rollers 10 for supporting a longitudinal end of the pallet 12 and a longitudinal end of the pallet 12 are provided. And a number of side rollers 11 for guiding the side surfaces of the section.

As shown in FIG. 7, similarly to the pallet support rollers 10 and the side rollers 11 provided on the storage shelves 3 and 3a and the storage shelves 4 and 4a, the elevator 5 has two longitudinal ends. A number of pallet support rollers 14 for supporting the longitudinal end of the pallet 12,
A number of side rollers 14a are provided for guiding the side surface of the pallet 12 at the longitudinal end. Reference numeral 9 denotes four guide rollers for holding a guide column 8 provided at the center of both sides of the longitudinal end of the elevator 5, which are provided with required intervals in the vertical direction to prevent the elevator 5 from being eccentric to the left and right. A pallet transfer device 13 described later is provided substantially at the center of the elevator 5.

The pallet 12 has a projection 12b extending along the entire length of the pallet 12 at the upper end of the side surface of the longitudinal end of the pallet 12.
Is provided. Further, a guide groove 12a having a downward opening is provided in the middle of the widthwise end of the lower surface of the pallet 12.
At the bottom of the pallet 12, steel plate supporting members 16 are provided at required intervals (FIG. 6).

As shown in FIGS. 5 and 7, the pallet transfer device 13 includes a base 13d movably provided in the width direction of the elevator 5, and a roll provided on a tip rotatably provided on the base 13d. Horizontal swing arm 13a having a projection 13b
, A cylinder 13e that moves the base 13d in the width direction of the elevator 5, and a motor 13c that rotates the horizontal turning arm 13a.

Next, the operation of the present embodiment will be described. When storing the steel plate 15 in the storage shelves 3, (3a), the elevator 5 is first moved up and down and stopped according to the level of the desired storage shelves 3, (3a) in which the empty pallets 12 are stored. After the elevator 5 stops, the pallet transfer device 13 on the elevator 5 is slightly moved by the cylinder 13e to the side of the storage shelf 3 (3a) where the empty pallet 12 is taken out, and the arm 13a of the pallet transfer device 13 is turned. The protrusion 13b at the tip of the arm 13a is fitted into the guide groove 12a on the lower surface of the pallet 12 and further turned.
3e, the pallet transfer device 13 is moved to the original position,
The pallet 12 is pulled out from the storage shelves 3 and (3a) and transferred to the elevator 5. Next, the elevator 5 on which the empty pallets 12 are transferred is placed on the uppermost storage shelf (steel plate transfer place) 4,
(4a) and stop according to the level of the storage shelves 4 and (4a). After the elevator 5 stops, the pallet transfer device 13 is moved to the storage shelves 4 for storing empty pallets 12.
The pallet is slightly moved to the (4a) side by the cylinder 13e, and the arm 13a is turned to deliver and transfer the empty pallet 12 to the storage shelves 4, (4a). Note that the number of pallets 12 is set to be one less than the total number of storage shelves 3 and 3a including storage shelves 4 and 4a.

The elevator 5 has one storage shelf 4, (4
When the empty pallets 12 are transferred to a), the other storage shelves 4,
The pallet (actual pallet) 12 on which the steel plate 15 is already placed is placed on (4a) in the same manner as when the empty pallet 12 is received by the pallet transfer device 13 from the storage shelves 3 and (3a). Then, the actual pallet 12 is pulled out from the storage shelves 4 and (4a) and transferred onto the elevator 5. Next, the elevator 5 on which the actual pallets 12 are placed is lowered, and the empty pallets 12 are received first and stopped according to the level of the empty storage shelves 3 and (3a). After the elevator 5 stops, the storage shelves 3, (3a) are operated in the same manner as described above.
The actual pallet 12 is delivered and stored.

When the steel plate 15 is placed on the empty pallet 12 transferred to the storage shelves 4, (4a), the steel plate 15 is lifted and moved by an overhead crane having a lifting magnet (not shown). The amount (the number) of the steel plates 15 placed on the empty pallet 12 is set so that the steel plate 15 does not protrude from the upper end of the pallet 12.
Moreover, it is preferable to place them in lot units.

As described above, since the steel plate 15 is placed on the pallet 12 and is stored together with the pallet 12 in the many storage shelves 3 and 3a, the steel plate 15 is not damaged. Numerous storage shelves 3, (3a) and the uppermost storage shelf (steel plate transfer location)
The elevator 5 is raised and lowered between the storage shelves 3 and (3a) and the elevator 5 between the elevators 5 and 4 (4a).
2 and pallet 1 in storage shelves 4 and (4a).
Since the steel plates 15 are transferred between 2 and a crane (not shown), the steel plates 15 can be taken out from a desired storage shelf 3, (3a) (first-in first-out) regardless of the order of storage. .

Since the height of the pallet 12 is substantially the same as the sum of the height of the projection 12b provided on the upper side surface of the longitudinal end of the pallet 12 and the pallet support roller 10 provided on the storage shelves 3, 3a. The height of the storage shelves 3, 3a can be minimized.

Since the delivery of the pallets 12 between the storage shelves 3 and 3a and the elevator 5 is performed by the pallet transfer device 13 provided on the elevator 5, the pallets 1
2 to the elevator 5, the storage shelves 3,
It is not necessary to provide each of the components 3a separately.

The present invention is not limited to the above embodiment. For example, the lower half of the storage shelves is provided underground, but the entire storage shelves may be provided on the ground. If rollers are provided at four corners of the pallet, pallet support rollers may not be provided in each storage shelf or elevator. It goes without saying that the delivery of the pallet between the storage shelf and the elevator may be variously changed without departing from the gist of the present invention. For example, the pallet may be transferred by a device other than the pallet transfer device having the turning arm.

[0024]

As described above, according to the present invention,
Since the steel plates are placed on the pallets and put in and out of the storage shelves together with the pallets, a desired steel plate can be taken out from any storage shelves irrespective of the order in which the steel plates are stored, thus improving the work efficiency. It has excellent effects such as being able to do.

[Brief description of the drawings]

FIG. 1 is a perspective view of a steel sheet storage device of the present invention.

FIG. 2 is a front view of a storage shelf.

FIG. 3 is a plan view of the steel plate storage device.

FIG. 4 is a partially enlarged view showing a state where a pallet is stored on a storage shelf.

FIG. 5 is a side view of the pallet transfer device.

FIG. 6 is a perspective view of a pallet.

FIG. 7 is a perspective view of an elevator.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Steel plate storage device 2 Pit 2a Elevating space 2b, 2c Underground part 3, 3a Storage shelf 4, 4a Storage shelf (steel plate transfer place) 5 Elevator 6, 6a, 6b, 6c Rope 7, 7a, 7b, 7c, 7d, 7e Sheave 8 Guide column 9 Guide roller 10, 14 Pallet support roller 11, 14a Side roller 13 Pallet transfer device 13a Arm 13b Projection 13c Driving device (motor) 13d Base 13e Cylinder 15 Steel plate 16 Steel plate support member

Claims (5)

[Claims] 1. A storage shelf arranged side by side with an elevator hoistway formed above a pit, a pallet on which steel plates are placed and stored in a storage shelf, and an elevator hoistway that moves up and down the elevator hoistway along the storage shelf. An elevator having a pallet transfer device for transferring pallets to and from a storage shelf. 2. Each of the storage shelves has a plurality of pallet support rollers for supporting the pallet longitudinal ends and a plurality of side rollers for guiding the side surfaces of the pallet longitudinal ends.
2. The elevator according to claim 1, further comprising a plurality of pallet support rollers for supporting the pallet in the longitudinal direction, and a plurality of side rollers for guiding the pallet in the longitudinal direction. The steel sheet storage device as described in the above. 3. The steel sheet storage device according to claim 1, wherein the uppermost storage shelf is a steel sheet transfer place for transferring a steel sheet between the crane and the elevator. 4. The pallet is provided with a projection at the upper end of the side surface of the longitudinal end of the pallet, and a guide groove which is open downward at the widthwise end of the lower surface of the pallet. 4. The steel plate storage device according to claim 1, wherein a slight gap is formed between the upper surface of the pallet and the lower surface of the upper storage shelf, substantially the same as the total height of the pallet support rollers. . 5. A pallet transfer device comprising: a base that moves in the width direction of an elevator; and an arm that is provided on the base and has a protrusion that protrudes upward at a tip and horizontally turns. By rotating the arm, the protrusion at the tip of the arm is fitted into a guide groove provided at the widthwise end of the lower surface of the pallet, the pallet is moved in the width direction, and the pallet is transferred between the elevator and the storage shelf. The steel plate storage device according to claim 1, wherein: