JP2001335116A - Container storage equipment - Google Patents

Abstract

PROBLEM TO BE SOLVED: To individually store containers on container storage shelves. SOLUTION: This container storage device is constituted by having a container storage building 3 constituted by arranging the container storage shelves 2 in multiple stages and multiple rows on a container yard 1 of a container terminal and arranging them in one set in two rows so that they form a passage 5 for movement of containers 4 extending in the longitudinal direction of the containers 4 between the container storage shelves 2, a ceiling crane 7 mounted free to travel on a rail 6 laid above the container storage building 3 along the container storage building 3, a suspension beam 21 suspended from a trolley 20 traversing on the ceiling crane 7 and a flexible spreader 8 having twist lock devices for container holding on four corners to receive and deliver the containers 4 between a depositing and delivering port on the ground and each of the container storage shelves 2 by extending and contracting sideways by suspending the containers 4 on the suspension beam 21.

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, and more particularly, to a container storage device installed on a container yard of a container terminal for temporarily storing a container storing luggage or an empty container. .

[0002]

2. Description of the Related Art A container terminal is located at a point of contact between land transportation and sea transportation, and carries out transshipment between a container ship and a different type of transportation means such as a trailer (chassis) and storage of containers. In the container yard of the container terminal, containers are temporarily stacked and stored when carrying in and out of containers.

[0003]

However, in the storage by stacking, when the lower stacked container is first taken out of the stacked containers, that is, when first-in first-out, the upper stacked container is used. Must be temporarily moved to another place and then taken out, resulting in poor work efficiency. In addition, since they are stacked, the height at which they are stacked is limited, and a large space is required.

SUMMARY OF THE INVENTION The present invention has been made to solve the above problems, and has as its object to provide a container storage device which stores containers in a number of container storage shelves and allows first-in first-out. Things.

[0005]

In order to achieve the above object, a container storage device according to the present invention has a container storage shelf in a multi-stage and multi-row arrangement on a container yard of a container terminal, and a container storage space between container storage shelves. A container storage building, which is arranged in two rows and one set so as to face each other so as to form a container moving passage extending in the longitudinal direction, and travels along a rail laid above the container storage building along the container storage building. It consists of an overhead crane that can be mounted and a hanging beam suspended from a trolley that traverses the overhead crane. A telescopic spreader having a container holding twist lock device is provided at four corners for transferring containers to and from a shelf.

Next, the operation of the present invention will be described. On the container yard of the container terminal, a large number of container storage shelves are arranged in a multi-stage and multi-row arrangement, and two sets of two rows are opposed to each other so as to form a container moving passage extending in the longitudinal direction of the container between the container storage shelves. Have been placed. An overhead crane is movably mounted above the container transfer passage,
A hanging beam was hung from a trolley of an overhead crane, a container was gripped by a telescopic spreader provided on the hanging beam, and containers were transferred between an entrance / exit (not shown) on the ground and each container storage shelf. Therefore, it is possible to take out a desired container from an arbitrary container storage shelf (first-in first-out), so that it is possible to improve work efficiency and save space.

[0007]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, a preferred embodiment of the present invention will be described with reference to the drawings. FIG. 1 is a perspective view of the container storage device of the present invention. FIG. 2 is a front view of the overhead crane. Figure 3 is a view of the telescopic spreader, (A)
FIG. 2 is a front view, and FIG. 2B is a view of a drive motor of a telescopic spreader. FIG. 4 is a principle diagram of expansion and contraction of the telescopic spreader. FIG. 5 is a perspective view of the container. 6A and 6B are views of the twist lock device, wherein FIG. 6A is a front view and FIG. 6B is a plan view. 1 to 6, reference numeral 1 denotes a container yard of a container terminal. 2 is on container yard 1
It is a large number of container storage shelves that are arranged side by side in a pair in two rows on the left and right across the two container moving passages 5. Reference numeral 3 denotes a container storage building of the container storage shelf 2. An entrance / exit port (not shown) of the container storage building 3 is provided on the ground in a longitudinal extension of the container moving passage 5 of the container storage building 3. Reference numeral 4 denotes a container for storing and transporting the luggage. The container moving passage 5 is provided between the container storage shelves 2 so as to extend in the longitudinal direction of the container 4.
Reference numeral 6 denotes a rail for traveling over the overhead crane laid on a column 13 erected along the outer surface of the container storage building 3 (FIGS. 1 and 2). Reference numeral 7 denotes an overhead crane, which is mounted on the rail 6 so as to run. 7a is a traveling wheel of the overhead crane 7. Reference numeral 8 denotes a telescopic spreader that holds the container 4.

At the upper four corners of the container 4, corner fittings 4a having long holes 4b are provided as shown in FIG.
The elongated hole 4b and the T-shaped distal end of the twist lock pin 9a at the four corners of the lower surface of the distal fork 8C of the telescopic spreader 8, which will be described later, can be engaged and disengaged.

The overhead crane 7 is provided with a trolley 20 which can be traversed, and the winding drum 2 provided on the trolley 20 is provided.
The suspension beam 21 is suspended so as to be able to ascend and descend via a wire rope 20b extended from 0a. Suspension beam 21
The configuration is such that positioning pins 21b are attached to the four corners so as to be inserted and removed in the width direction of the container moving passage 5 by the expansion and contraction operation of the positioning cylinder 21a (FIGS. 1 and 2). As shown by a two-dot chain line in FIG. 2, the hanging beam 21 passes above the intermediate container storage shelf 2 or the container storage shelf 2 at the entrance and exit (not shown).
, And are mutually movable between the container moving passages 5.

On the other hand, on the front of each container storage shelf 2,
Positioning holes 2b for inserting and removing the positioning pins 21b are provided at corresponding positions as dead-end holes, and the positioning pins 21b are inserted into the respective positioning holes 2b.
A V-shaped guide 2a for guiding b is projected from each positioning hole 2b.

When the containers 4 are transferred between the container storage shelves 2 and the suspension beams 21 of the overhead crane 7, the overhead crane 7 is moved to raise and lower the suspension beams 21 to store the suspension beams 21. The container is transported to a position one step above the position of the container storage shelf 2 at which the positioning pins 21b on the left and right sides incorporated in the four corners of the suspension beam 21 are slightly projected by the extension operation of the positioning cylinder 21a. To do. In this state, when the suspension beam 21 is further lowered, the positioning pins 21 projecting from the four corner end surfaces of the suspension beam 21
Since b engages with the V-shaped guide 2a on the container storage shelf 2, the descent of the suspension beam 21 is stopped at that time.

Next, when the positioning cylinder 21a is extended and the respective positioning pins 21b are further protruded, the respective positioning pins 21b are respectively guided by the guides 2a and fitted into the opposed left and right positioning holes 2b. The positioning of the beam 21 is completed.

As shown in FIG. 3, the telescopic spreader 8 has two grooves 1a which are provided on the lower surface of the suspension beam 21 so as to be opposed to both ends in the longitudinal direction of the suspension beam 21 and which are open inside.
A set of fixed forks 8A, a plurality of outer rollers 8b fitted inside the fixed forks 8A and disposed above the outer sides in the longitudinal direction, and a plurality of inner rollers 8c disposed below the inner sides in the longitudinal direction. And an intermediate fork 8B having a substantially H-shaped cross section having a rack 8e provided in the longitudinal direction of the fork on the upper end surface of the inner portion, and a groove 8d fitted inside the intermediate fork 8B and opening outward on both sides in the longitudinal direction. And a tip fork 8C provided with a twist lock device 9 at the four corners of the lower surface. The outer roller 8b of the intermediate fork 8B is fitted in the groove 8a of the fixed fork 8A and rolls. The inner roller 8c of the intermediate fork 8B is
And it rolls.

As shown in FIG. 4, the fixed fork 8A, the intermediate fork 8B and the tip fork 8C of the telescopic spreader 8 are connected in three upper and lower stages via two chains 12, 12a. That is, two chains 12, 12
a is fixed to the middle of the fixed fork 8A, and the lower end of one of the chains 12 passes through the sprocket 11 provided on the base end side of the intermediate fork 8B in the longitudinal direction.
C at the longitudinal end 12c of the other chain 1
The lower end of 2a is fixed to the longitudinal end 12d of the distal end fork 8C via a sprocket 11a provided on the longitudinal end side of the intermediate fork 8B.

The intermediate fork 8B meshes a pinion 10b provided on the suspension beam 21 with a rack 8e provided on the upper surface, and rotates the pinion 10b by a gear 10a provided on an extension of the rotation shaft of the motor 10. For example, as shown in FIG. 4, when the pinion 10b is rotated counterclockwise, the pinion 10b meshes with the rack 8e on the upper surface of the intermediate fork 8B. Therefore, a case where the intermediate fork 8B is extended rightward will be described. When the intermediate fork 8B extends to the right, the tip fork 8C is connected by the chains 12, 12a via the sprockets 11, 11a provided at both ends in the longitudinal direction of the intermediate fork 8B. At the same time, the tip fork 8C also extends to the right by twice the length of the intermediate fork 8B. The telescopic spreader 8 can be expanded and contracted right and left by changing the rotation direction of the pinion 10b.

As shown in FIG. 6, the twist lock device 9 includes corner fittings 4a provided at the upper four corners of the container 4.
In accordance with the position of the long hole 4b, a total of four twist lock pins 9a are arranged downward at each end of the tip fork 8C of the telescopic spreader 8, and the twist lock pin 9a is rotatable on the guide sleeve 9b. By holding and moving the twist lock pin 9a up and down along the guide mechanism 9c integrally with the guide sleeve 9b, the T-shaped tip of the twist lock pin 9a is moved with respect to the elongated hole 4b of the corner fitting 4a. It is possible to put in and out.

A support bracket 9d is fixed up and down on the side surface of the guide sleeve 9b, while a fixed support plate 9e is protruded from a side portion away from the guide sleeve 9b. The upper and lower link members 9g are pivotally connected with pins so as to form a parallelogram link mechanism 9f between the upper link member 9g and the lower portion of the fixed side support plate 9e. The vertical movement cylinder 9h is interposed therebetween, and a vertical movement force is applied to the guide sleeve 9b via the parallelogram link mechanism 9f by expansion and contraction of the vertical movement cylinder 9h.

A twist link 9i is attached to an upper end of a twist lock pin 9a protruding from the guide sleeve 9b, and a twist cylinder 9k is installed on a frame 9j fixed to the guide sleeve 9b. Is connected to the twist link 9i,
Twist link 9 by expansion and contraction operation of twist cylinder 9k
By displacing i, the twist lock pin 9a is rotated so that the direction of the distal end portion is displaced by 90 °,
Thus, the tip of the twist lock pin 9a is engaged with and disengaged from the elongated hole 4b of the container corner fitting 4a.

Next, the operation of the present embodiment will be described. When storing the container 4 in the container storage shelf 2, the container 4 is moved to a not-shown entrance / exit port of the container storage building 3 by a not-shown transport device. When the container 4 is conveyed to the entrance / exit, the overhead crane 7 moves to above the container 4 and stops. When the overhead crane 7 stops, the wire rope 20a is paid out from the trolley 20, and
The hanging beam 21 is lowered above the container 4, the twist lock device 9 of the telescopic spreader 8 is operated, the container 4 is gripped, the hanging beam 21 is lifted and moved to a desired container storage shelf 2. When the suspension beam 21 stops at the container storage shelf 2, the suspension beam 21 is adjusted to the level of the container storage shelf 2. At this time, the level of the suspension beam 21 is set at the upper position of the container storage shelf 2 to be stored,
That is, it is matched with the container storage shelf 2 one level higher. Thereafter, the motor 10 of the suspension beam 21 is driven to extend the intermediate fork 8B of the telescopic spreader 8. When the intermediate fork 8B is extended, the tip fork 8C is extended twice as much as the extension of the intermediate fork 8B with the extension of the intermediate fork 8B. Therefore, the tip fork 8C is extended to the inside of the container storage shelf 2 and the twist lock device is provided there. 9 is operated to lower and store the container 4 in the container storage shelf 2. When the container 4 is lowered into the container storage shelf 2, the telescopic spreader 8 drives the motor 10 to drive the intermediate fork 8.
B and the tip fork 8C are contracted and returned into the fixed fork 8A again. Intermediate fork 8B and tip fork 8
When C returns into the fixed fork 8A, the overhead crane 7 lifts the suspension beam 21 and again the container storage building 3
The container 4 is moved to an unillustrated entrance / exit port to lower the suspension beam 21, lift and move the container 4, and store the container 4 in the container storage shelf 2 in the same manner as described above. By repeating such an operation, the container 4 is stored in the container storage shelf 2.
Store.

On the other hand, when unloading the containers 4 stored in the container storage shelves 2, the containers 4 are taken out from the container storage shelves 2 in the lateral direction by the operation opposite to the above-mentioned storage, and the unloading and unloading is performed. Move to the mouth and leave.

As described above, the trolley 20 of the overhead crane 7
Spreader 8 of suspension beam 21 suspended in
A large number of container storage shelves 2 and container storage buildings 3
Of the container 4 between the entrance / exit port and a transport device (not shown), so that the order of storage is irrelevant. Then, the container 4 can be taken out from the desired container storage shelf 2 (first-in first-out).

The present invention is not limited to the above-described embodiment, but may be variously modified without departing from the gist of the present invention. For example, in the above embodiment, the storage of the container storing the luggage has been described, but the used empty container can be stored similarly.

[0023]

As described above, according to the present invention,
Since the containers are individually stored in the container storage shelves, a desired container can be taken out from any container storage shelves regardless of the order in which the containers are stored, thus improving the working efficiency and saving space. It has excellent effects such as being able to.

[Brief description of the drawings]

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

FIG. 2 is a front view of the overhead crane.

FIG. 3 is a view of a telescopic spreader, (A) is a front view,
(B) is a figure of the drive motor of a telescopic spreader.

FIG. 4 is a principle diagram of expansion and contraction of a telescopic spreader.

FIG. 5 is a perspective view of a container.

FIG. 6 is a view of a twist lock device, (A) is a front view,
(B) is a plan view.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Container yard 2 Container storage shelf 3 Container storage building 4 Container 4a Corner fitting 5 Container moving passage 6 Running rail 7 Overhead crane 8 Telescopic spreader 8A Fixed fork 8B Intermediate fork 8C Tip fork 9 Twist lock device 10 Motor 20 Trolley 21 Hanging beam

Claims (1)

[Claims] 1. A set of two rows of container storage shelves on a container yard of a container terminal, the container storage shelves being multi-tiered and multi-row, and a container moving passage extending in the longitudinal direction of the container between the container storage shelves is formed. A container crane that is placed opposite to the container crane, an overhead crane that can be run on a rail laid above the container crane along the container storage building, and a trolley that hangs over the overhead crane. Twist lock devices for holding containers at the four corners where containers are suspended from the suspended beams, and the containers are extended and contracted to the left and right to transfer the containers between the entrance and exit ports on the ground and each container storage shelf. A container storage device comprising a telescopic spreader having: