JP2005029352A - Cargo unloading facility - Google Patents

Abstract

<P>PROBLEM TO BE SOLVED: To smoothly bring a cargo in and out of a storage vessel having large depth such as a container up to its innermost part and make the whole facility compact. <P>SOLUTION: A forward feeding carrier 7 capable of advancing into the container 10 from above a cargo handling fork provided in a fork lift vehicle 1 so as to elevate and lower and running freely on a floor surface is provided. A pantagraph mechanism 6 guiding running of the forward feeding carrier 7 is provided between the forward feeding carrier 7 and a cargo handling member 2. A carrier fork 14 is provided in the feeding carrier 7 so as to elevate and lower freely. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

  The present invention relates to a loading and unloading facility for loading and unloading a deep storage container such as a container using a forklift truck.

For example, Patent Document 1 discloses a cargo loading / unloading apparatus for loading and unloading a container mounted on a truck. The cargo unloading apparatus includes a working unit that is inserted and transported by a fork of a forklift, a transporting unit that is supported by the working unit via a pivotal support unit, inserted from a leading end into a container entrance and exits, and passed over. And a belt conveyor for transporting cargo to the transport unit, and a roller conveyor capable of transporting cargo from the pivotal support unit to the working unit.
Japanese Patent Laid-Open No. 7-81773 (FIG. 3)

  However, the cargo unloading device described above needs to be formed in a considerable length in order to insert the transport section to the back side of the large container, which increases the size of the entire structure and makes transportation and setting large. In addition, there is a problem that a large space is required for storage.

  SUMMARY OF THE INVENTION An object of the present invention is to provide a loading and unloading facility capable of smoothly loading and unloading a deep storage container such as a container and having a compact configuration as a whole.

  In order to achieve the above object, an invention according to claim 1 is provided with a forward carriage that is movable between a cargo handling portion provided on a forklift truck so as to be movable up and down and a floor surface of a storage container, and the forward carriage. A guide mechanism for guiding the travel of the forward carriage is interposed between the cargo handling section and the cargo handling section, and a cargo receiving member is provided on the forward carriage so as to be movable up and down.

  According to a second aspect of the present invention, the guide mechanism member is constituted by a pantograph mechanism that can be expanded and contracted in the starting direction of the forward carriage, and the pantograph mechanism is driven to expand and contract by a power source of a forklift truck to move the forward carriage. It is comprised so that it may do.

  The invention described in claim 3 is provided with a work cart that can be transferred into the storage container by the cargo handling portion of the forklift truck and that can freely run on the floor surface of the storage container, and an operator is placed on the work cart. The work carriage is provided with a work table whose height is adjustable.

  According to the first aspect of the present invention, the forward carriage with the load loaded on the load receiving member can be carried into the storage container and traveled, and the forward carriage can be moved to the inner part of the storage container. The loading and unloading can be carried out smoothly to the back of the deep storage container. Moreover, loading / unloading work can be performed efficiently by the load receiving member provided on the forward carriage so as to be movable up and down. Furthermore, since the forward carriage is configured to travel through the guide mechanism, the whole can be configured compactly and can be easily transported and stored.

  According to the second aspect of the present invention, the pantograph mechanism can accurately guide the travel of the forward carriage, and the load of the load is supported on the floor of the container via the forward carriage. It becomes no load and can be configured to be lighter and more compact.

  According to the invention of claim 3, the load can be set to a height suitable for the worker by raising and lowering the load receiving member of the forward carriage and raising and lowering the work table of the work carriage. Can be reduced and work in and out can be shortened.

Here, an embodiment of a loading / unloading facility for a forklift truck according to the present invention will be described with reference to the drawings.
As shown in FIG. 1, this loading / unloading equipment is used when loading / unloading a large container (storage container) 10 deep from the entrance, and is detachably attached to the cargo handling section 2 of the forklift truck 1. And a work carriage 4 that is carried into the large container 10 by the forklift truck 1.

  The forward feed carriage device 3 includes an attachment member 5 detachably attached to the backrest 2 a of the cargo handling unit 2, a pantograph mechanism 6 attached to the attachment member 5 so as to be extendable forward, and a pantograph mechanism (guide mechanism) 6. The front carriage 7 is provided at the tip and can travel on the floor of the container 10.

  In the pantograph mechanism 6, the base end portions of the pair of left and right parallel link arms 6a are rotatably connected to the mounting member 5, and the parallel link arm 6a is driven to extend and contract between the mounting member 5 and a predetermined position of the link arm 6a. A hydraulic hose (not shown) to which hydraulic pressure is supplied from the hydraulic pump of the forklift truck 1 is connected to supply the hydraulic pressure for driving to the hydraulic cylinder 6b. ing.

  As shown in FIG. 3, the forward carriage 7 includes a pair of left and right bottom frames 12 having wheels 11 that can run forward and backward on the floor of the container 10, and a pair of left and right link arms 5 a erected on the bottom frame 12. A pair of left and right column posts 13 connected to each other, a cart fork (load receiving member) 14 with a backrest 15 that is cantilevered and supported by the column posts 13 via a guide member, and a cart that drives the cart fork 14 to move up and down. The lift cylinder 16 is used.

  The bottom frame 12 is formed in a hollow shape or an open bottom surface into which the cargo handling fork 2b of the cargo handling unit 2 can be inserted from the back side. In addition, although not shown in the drawings, the supply of hydraulic pressure to the lift cylinder 16 for the carriage uses an oil supply pipe, a foldable piping device, a hydraulic hose that can be wound, and the like built in the link arm 6a. It is driven up and down by operation.

  As shown in FIG. 2, the working carriage 3 has traveling wheels 21 disposed at substantially four corner positions of the carriage frame 20, and a traveling drive motor 22 connected to the rear left and right traveling wheels 21 via a speed reducer. Yes. A battery 23 is a power source for the travel drive motor 22. Further, the width of the carriage frame 20 is formed to be slightly narrower corresponding to the container 10, guide wheels 24 that roll on the side surfaces of the container 10 are provided at the front and rear positions of the left and right sides, and the front and rear faces of the carriage frame 20. Is formed with a fork insertion port 25 into which the main body fork 2b of the cargo handling part 2 can be inserted.

  The carriage frame 20 is provided with a work table 26 that can be raised and lowered via a link-type electric lifter (lifting device) 27, and an operator can be placed on the work table 26 to adjust the work height. In addition, an operation box 28 is disposed on the work table 26 via a support column. The operation box 28 includes a travel button for moving the work carriage 3 forward and backward, a lift button for moving the work table 26 up and down, and a forward carriage apparatus 2. A remote operation exit / exit button for extending and retracting the pantograph mechanism 6 and a remote operation truck fork raising / lowering button for extending and lowering the carriage fork 14 by extending and retracting the carriage lift cylinder 16 are provided.

Next, a loading operation method will be described.
First, the work carriage 4 is carried into the container 10 by the cargo handling fork 1 b of the forklift truck 1. Next, the forward carriage device 3 is attached to the cargo handling unit 2 of the forklift truck 1 and a hydraulic hose or the like is connected thereto. Then, the forklift truck 1 is operated to pick up the pallet P loaded with the load M on the truck fork 14 of the forward carriage apparatus 3, and the forklift truck 1 is further operated to insert the forward carriage apparatus 3 into the container 10. And then land.

  Next, an operator on the work carriage 3 operates the exit / retreat button of the operation box 28 to advance the pantograph mechanism 6 of the forward carriage apparatus 2, and the forward carriage 7 is caused to travel via the wheels 11 to move the container 10. It is moved to the back side and stopped at the optimum position for the stacking work. These operations are also possible from the forklift 1 side. Then, the worker sequentially loads the loads M in the container 10. At this time, the operator operates the lift button of the operation box 28 or the lift button of the bogie fork 14 to adjust the height of the work table 26 and the pallet P in accordance with the load and the stacking height. The positions of the forward carriage 7 and the work carriage 4 are adjusted by the buttons and the traveling buttons, and the load M is loaded in an optimum posture. When the load M on the pallet P is exhausted, the pantograph mechanism 6 is contracted to return the forward feed carriage 7 onto the loading fork 2b, the forklift truck 1 is operated to carry out an empty pallet, and the pallet P loaded with the load M Is carried into the container 10. The loading operation is repeated by repeating this, and the work cart 4 is unloaded from the container 10 as necessary.

The work for carrying out the load M from the container 10 is performed in the reverse order of the above.
According to the above embodiment, the forward carriage 7 loaded with the load M on the carriage fork 14 can be carried into the container 10 and traveled, and the forward carriage 7 can be moved to the inner part of the container 10. Even in the deep container 10, the loading and unloading of the load M can be carried out smoothly. Moreover, the loading and unloading work of the load M can be efficiently performed by the cart fork 14 that is provided on the front feed cart 7 so as to be movable up and down.

  Furthermore, since the forward carriage 7 is configured to travel through the pantograph mechanism 6, the forward carriage apparatus 3 can be configured in a compact manner and can be easily transported and stored. Further, the pantograph mechanism 6 can accurately guide the traveling of the forward carriage 7 and the load of the load M is supported on the floor surface of the container 10 via the forward carriage 7, so that the pantograph mechanism 6 becomes unloaded. It can be configured to be lighter and more compact.

  Further, by raising and lowering the carriage fork 14 of the forward carriage 7 and raising and lowering the work table 26 of the work carriage 4, the load can be set to a height suitable for the work in and out of the worker, and the labor amount can be reduced. And shortening the work in and out.

It is a schematic side view which shows the unloading equipment for forklift trucks concerning this invention. It is a perspective view which shows the work trolley | bogie. It is a perspective view which shows the front sending trolley.

Explanation of symbols

DESCRIPTION OF SYMBOLS 1 Forklift truck 2 Cargo handling part 3 Forward carriage apparatus 4 Work carriage 5 Mounting member 6 Pantograph mechanism 7 Forward carriage 10 Container 11 Wheel 14 Car fork 16 Car lift cylinder 21 Traveling wheel 22 Traveling drive motor 24 Guide wheel 25 Fork insertion port 26 Work table 27 Electric lifter 28 Operation box

Claims (3)

The forklift truck is provided with a forward carriage that can freely move between the cargo handling section provided on the forklift truck and the floor of the storage container, and guides the traveling of the forward carriage between the forward carriage and the cargo handling section. Intervening a guide mechanism,
A loading / unloading facility, wherein a load receiving member is provided on the forward carriage so as to be movable up and down. The guide mechanism material is constituted by a pantograph mechanism that can expand and contract in the starting direction of the forward carriage,
The loading / unloading facility according to claim 1, wherein the pantograph mechanism is configured to extend and contract by a power source of a forklift truck so that the forward feed carriage travels. A work cart that can be transferred into the storage container by the cargo handling section of the forklift truck and that can freely run on the floor of the storage container,
The loading / unloading facility according to claim 1 or 2, further comprising a work table on which a worker can be placed on the work carriage to adjust the height of the work carriage.

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