JPH0615975Y2 - Loading and unloading equipment - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION (Industrial field of application) The present invention is applied to a cargo handling vehicle such as a forklift truck, and is used for loading and unloading a wheeled pallet such as a roll box pallet onto the truck. The loading and unloading device used.

(Prior Art) In recent years, at truck delivery bases handling small parcels such as courier services and department stores, shipment and collection of goods are carried out using wheeled pallets such as roll box pallets.

The wheeled pallet is equipped with wheels at the bottom of the main body for loading luggage, and can be moved using the wheels.

In many cases, such wheeled pallets are loaded and unloaded on the trucks by scooping the body of the wheeled pallets depending on the lift trucks of the cargo handling vehicle such as the forklift trucks. It was made to do.

However, with such a method, the cargo handling vehicle must be moved one by one each time a pallet with wheels is loaded and unloaded on a truck, etc. There was a problem that the loading and unloading work efficiency of the pallet with wheels was very poor because it was necessary to transfer to and from.

(Problems to be solved by the invention) The present invention was devised to solve this problem in view of the above problems, and the purpose is to significantly increase the loading and unloading efficiency of pallets with wheels. It is to provide a loading and unloading device that is improved.

(Means for Solving the Problems) The loading / unloading device of the present invention comprises a table for loading a pallet with wheels, a fork pocket provided on the table into which a fork for raising and lowering a cargo handling vehicle is inserted, and a side portion of the table. The feature is that it is composed of the slope provided.

(Function) A fork for raising and lowering a cargo handling vehicle is inserted into the forket.

When a fork of a cargo handling vehicle is moved up and down, a table, a fork pocket, and a slope are moved up and down.

The slope is provided on the side of the table.

If the slope is provided only on one side of the table, the fork can be lowered to connect the slope to the road surface, and the fork can be raised to connect the table to the truck bed.

In this way, the wheeled pallet can be moved between the road surface and the table via the slope, and the wheeled pallet can be moved directly between the table and the truck bed.

If slopes are provided on multiple sides of the table, lower the forks to connect the slopes on one side to the road surface, and raise the forks to connect the slopes on the other side to the truck bed. Can be connected.

In this way, the wheeled pallet can be moved between the road surface and the table via the slope on one side, and the wheeled pallet can be moved between the table and the truck bed via the slope on the other side. You can move pallets.

Embodiment An embodiment of the present invention will be described below with reference to the drawings.

FIG. 1 is a perspective view showing an unloading device according to an embodiment of the present invention. FIG. 2 is a side view. FIG. 3 is a front view. Figure 4 shows
Plan view. FIG. 5 is a front view showing a loading / unloading procedure.

The loading / unloading apparatus 1 is mainly composed of a table 2, a fork pocket 3, and a slope 4.

The table 2 is for loading the pallet 100 with wheels.

In this example, the upper and lower plates 5 and the left and right plates 6 have a planar rectangular pallet shape, and a guide plate 7 is provided before and after the upper plate 5.
And the columns 8 are erected on the left and right of the rear side of the upper plate 5.

The table 2 is configured so that the wheeled pallet 100 is placed on the upper surface of the upper plate 5 and supports the pallet 100.

The wheeled pallet 100 is a body 101 for loading luggage.
And a wheel 102 provided at the bottom of the
You can move using 02.

In this example, the roll box pallet is used, and the main body 101 has a box shape whose one side can be opened and closed, and the wheel 1
02 are all freewheels.

The fork pocket 3 is provided on the table 2 and has a fork 201 for raising and lowering the cargo handling vehicle 200 inserted therein.

In this example, there are a pair on the left and right sides, each of which is formed by the upper and lower plates 5 of the table 2 and the pocket side plates 9 which are interposed between them and spaced apart from each other in the left and right directions.

Thus, the pocket side plate 9 of each fork pocket 3 is extended rearward to form a lateral hole 10, into which a retaining pin 11 for retaining the fork 201 is detachably inserted. It

The material handling vehicle 200 includes a fork 201 that moves up and down.

In this example, an electric forklift truck equipped with a side shift device is used, which includes a vehicle body 202, a wheel 203 rotatably mounted on the vehicle body 202, and a front wheel 203.
The electric motor that drives the rotation, and the battery that starts it,
The handlebar 204 for turning the rear wheel 203 and the vehicle body 2
A fixed mast 205 provided on the front side of 02 so as to be able to tilt forward and backward,
The tilt cylinder 206 that tilts the fixed mast 205 back and forth with respect to the vehicle body 202, the moving mast 207 that can be moved up and down on the fixed mast 205, the elevating body 208 that can be moved up and down on this, and the fixed mast 205 Lift cylinder 20 for moving the moving mast 207 and the lifting body 208 up and down
9 and a finger cover 21 provided on the lifting body 208 so as to be movable laterally.
0, a side shift cylinder 211 for laterally moving the finger cover 210 with respect to the lifting body 208, and a finger cover 210.
It consists of a pair of left and right forks 201 etc.

The wheel 203, the electric motor, the battery, and the handle 204 are the traveling device, the fixed mast 205, the moving mast 207, the lifting body 208, the lift cylinder 209 is the lifting device, and the lifting body 208, the finger gab 210, and the side shift cylinder 2
Reference numeral 11 denotes a side shift device, the vehicle body 202 travels on the road surface 300 by a traveling device, and the fork 201 moves up and down by an elevating device and laterally moves by a side shifting device.

The slope 4 is provided on the side portion of the table 2.

In this example, the upper and lower plates 12 and the front and rear plates 13 have a substantially triangular cross section.
4 are erected.

Thus, the slopes 4 are provided on the left and right side portions of the table 2, and the base portion is axially attached to the side portions of the table 2 by the front-rear axis so that the slopes can be elevated from approximately horizontal to approximately vertical with respect to the table 2. In addition, the elevation operation mechanism 15 is provided between the table 2, the slope 4, and the lifting body 208 of the cargo handling vehicle 200 so that the side shift device of the cargo handling vehicle 200 raises and lowers it.

The depression / elevation operating mechanism 15 is provided in a pair on the left and right, and the table 2
Approximately T, which is pivotally attached to the rear guide plate 7 by the front-rear axis
A link 16 in the shape of a letter, a lever 17 pivotally attached to the lower side of the link 16 and the guide plate 14 of the slope 4 by the front-rear axis, and a roller 18 pivotally attached to the upper side of the link 16 by the front-rear axis.
A shock absorber 19 such as a gas cylinder axially attached to the middle of the link 16 and the rear guide plate 7 of the table 2 by the front and rear shafts, and the rear guide plate 7 of the table 2 protrudingly provided. Stopper 20 for controlling the movement of link 16 and cargo handling vehicle 20
The pressing plate 21 is provided so as to project from the lifting body 208 of No. 0 and abuts against the roller 18.

The column 8 of the table 2 is provided with a pair of left and right push button switches 22, which are not shown, but are provided on the vehicle body 202 of the cargo handling vehicle 200 via a cord provided with a connector in the middle. The lift cylinder 20 of the cargo handling vehicle 200 is connected to the control unit and operates the push button switch 22.
9 and the side shift cylinder 211 can be controlled.

Of course, in the driver's seat of the cargo handling vehicle 200, the push button switch 22
There is one that can be operated in the same way as.

Next, the operation will be described based on such a configuration.

In the loading / unloading apparatus 1, as shown by the solid line in FIG. 1, the left and right slopes 4 are raised substantially vertically and grounded to the road surface 300 of the storage location.

When the loading / unloading device 1 is mounted on the cargo handling vehicle 200, as shown in FIG. 2, the fork 2 is inserted from the rear side of the fork pocket 3.
After inserting 01, insert the retaining pin 11 into the lateral hole 10,
Connect the connection device related to the push button switch 22.

When the fork 201 is inserted into the fork pocket 3, the rollers 18 of the right and left elevation movement mechanisms 15 are positioned inside the push plate 21 as shown in FIGS. 3 and 4.

When loading the wheeled pallet 100 onto the loading platform 401 of the truck 400, the loading / unloading apparatus 1 mounted on the loading / unloading vehicle 200 is brought into a traveling state as shown in FIGS. 2 to 4, and is set at a predetermined position as shown in FIG. Move to and stop.

When the cargo handling vehicle 200 is stopped, the worker operates the operating device in the driver's seat of the cargo handling vehicle 200 to neutralize the traveling device, fully pulls the side brake, and then the forcible 201 by the side shift cylinder 211. To the left (5th
The left slope 4 is lowered by moving it to the right in the drawing (the same applies hereinafter), the mast device is made vertical by the tilt cylinder 206, and the fork 201 is lowered by the lift cylinder 209.

Then, the table 2 is grounded on the road surface 300, and the slope 4 on the left side is grounded on the road surface 300.
0 and the upper surface of the left slope 4 and the upper surface of the table 2 are continuous.

The wheeled pallet 100 on the road surface 300 is used for the cargo handling vehicle 2
00 using the wheels 102 depending on the operator who got off the driver's seat, the road surface 300 → the upper surface of the left slope 4 → the table 2
The operator rides on the slope 4 on the left side while being brought into contact with the slope 4 on the right side which is moved to the upper surface of the and raised.

At this time, the slope 4 on the right side functions as a car stop for the wheeled pallet 100.

After moving the wheeled pallet 100 to the table 2, the operator operates the left push button switch 22 to cause the lift cylinder 209 to move the fork 201 to a predetermined height (a little higher than the upper surface of the bed 401 of the truck 400). After raising the table 2 to the right, the fork 201 is moved to the right by the side shift cylinder 211.

Then, the table 2 moves to the right and approaches the loading platform 401 of the truck 400, and the right slope 4 moves down due to the right lifting / lowering actuating mechanism 15 so that part of the table 4 is joined to the upper surface of the loading platform 401, and the upper surface of the table 2 And the upper surface of the right slope 4 and the upper surface of the loading platform 401 are continuous.

At this time, the slope 4 on the left side is moved up and down on the left side ascending / descending mechanism 15
It is urged by the shock absorber 19 to raise, but since the worker is on board, he remains prone.

Depending on the operator, the wheeled pallet 100 on the table 2 may include the upper surface of the table 2 → the upper surface of the right slope 4 → the bed 4
01 is moved to the upper surface.

At this time, since the operator leaves the slope 4 on the left side, the slope 4 on the left side is raised by the shock absorber 19 of the elevation motion mechanism 15 on the left side.

After moving the wheeled pallet 100 to the loading platform 401, the operator returns to the table 2 and operates the right or left push button switch 22 to move the fork 201 to the left by the side shift cylinder 211 to move the right slope 4 And the slope 4 on the left side is laid down, and then the fork 201 is lowered by the lift cylinder 209.

Then, the table 2 descends and contacts the road surface 300, the slope 4 also contacts the road surface 300, and the road surface 300, the upper surface of the left slope 4 and the upper surface of the table 2 are connected.

At this time, the slope 4 on the right side has
Raised by the shock absorber 19 of.

Hereinafter, the same work is repeated and a predetermined number of pallets with wheels 1
00 is loaded into the truck 400, but the cargo handling vehicle 200 may not be moved during loading of one truck 400.

However, the track 400 is usually a wheeled pallet 100.
8 units are loaded in 2 rows, 16 units in total, but for the last 2 units, remove the unloading device 1 from the cargo handling vehicle 200,
Loading with Fork 201 is more efficient.

On the contrary, when loading the wheeled pallet 100 from the loading platform 401 of the truck 400 onto the road surface 300, the procedure is the reverse of loading.

First, the last two pieces of the wheeled pallet 100 are unloaded by the forks 201 of the loading and unloading vehicle 200, and then the loading / unloading device 1 is attached to the loading platform 401 of the truck 400.
Of the wheeled pallet 100 is moved to the rear of the vehicle and set at a predetermined position.

When the loading / unloading apparatus 1 becomes unnecessary, it is moved to a storage location, separated from the cargo handling vehicle 200, and grounded on the road surface 300.

The cargo handling vehicle 200 that has left the loading / unloading apparatus 1 has the forks 20
1 can be used to perform the original fork work.

Although the table 2 has a rectangular plane in the above embodiment, the table 2 is not limited to this and may be, for example, a triangle or a polygon having five or more sides.

The table 2 includes the upper and lower plates 5, the left and right plates 6, and
Although the guide plate 7 is used, the present invention is not limited to this, and the lower plate 5 and the guide plate 7 may be omitted.

Although the fork pocket 3 is composed of the upper and lower plates 5 and the pocket side plates 9 of the table 2 in the previous embodiment, the present invention is not limited to this. For example, a frame member having a U-shaped cross section is formed on the lower surface of the upper plate 5 of the table 2. It may be fixed and formed.

The slope 4 is the upper and lower plates 12 and the front and rear plates 1 in the previous embodiment.
3, the guide plate 14 is used, but the present invention is not limited to this. For example, the lower plate 12, the guide plate 14, etc. may be omitted.

Although the slopes 4 are provided on the left and right side portions of the table 2 in the above embodiment, the present invention is not limited to this, and as shown in FIG. 6, for example,
It may be provided only on one side portion, on one of the left and right side portions and on the front side portion, or on the left and right side portions and the front side portion. When it is provided only on one side, the road surface 300 and the upper surface of the table 2 are connected by this, and the upper surface of the table 2 and the upper surface of the luggage carrier 401 of the truck 400 are connected.

In the previous embodiment, the slope 4 is provided on the table 2 so that it can be elevated, but the present invention is not limited to this. For example, as shown in FIG.
It may be integrally provided on the table 2.

In the previous embodiment, the slopes 4 are provided on the left and right sides so that they can be lifted up and down on the table 2, but the present invention is not limited to this. For example, as shown in FIG. It may be integrated with the second unit.

In the previous embodiment, the slope 4 is provided with the elevation movement mechanism 15 so that the side shift device of the cargo handling vehicle 200 can be used to raise or lower the slope 4, but the present invention is not limited to this. For example, as shown in FIG. It is also possible to provide only a shock absorber 19 for slowing the elevation of the slope between the table 4 and 4, or provide a dedicated elevation cylinder for raising the slope 2 between the table 2 and the slope 4.

The wheeled pallet 100 is a wheel 102 in the previous embodiment.
Although all are free wheels, the invention is not limited to this, and may be one having a fixed wheel and a free wheel, for example.

Although the cargo handling vehicle 200 is provided with the side shift device in the above-described embodiment, the present invention is not limited to this, and may be omitted, for example.

Although the cargo handling vehicle 200 is an electric type in the above-described embodiment, the load handling vehicle 200 is not limited to this and may be, for example, an engine type.

In the loading and unloading vehicle 200, the lifting device for the forks 201 is a mast type in the previous embodiment, but the present invention is not limited to this and may be, for example, a boom type.

(Effect of the Invention) As described above, according to the present invention, the following excellent effects can be achieved.

(1) Since it is composed of a table, a fork pocket, and a slope, the loading and unloading work efficiency of the wheeled pallet can be greatly improved.

Especially, since the wheeled pallet can be passed through in one direction, it is easy to move the wheeled pallet.
There is no need to move the cargo handling vehicle each time loading and unloading.

(2) Since the fork pocket is provided, the loading / unloading device can be mounted on the loading / unloading vehicle, and the lifting / lowering device of the loading / unloading vehicle can be used without providing a dedicated lifting device for the loading / unloading device.

(3) Since the fork pocket is provided, the unloading device can be detached from the cargo handling vehicle, and the cargo handling vehicle after the detachment can be engaged in the original fork work.

(4) Since the slope is provided, the wheeled pallet can be easily moved between the road surface and the table or between the table and the loading platform.

[Brief description of drawings]

FIG. 1 is a perspective view showing an unloading device according to an embodiment of the present invention. FIG. 2 is a side view. FIG. 3 is a front view. FIG. 4 is a plan view. FIG. 5 is a front view showing a loading / unloading procedure. FIG. 6 is a perspective view showing another embodiment of the present invention. FIG. 7 is a perspective view showing still another embodiment of the present invention. 1 …… Loading / unloading equipment 2 …… Table 3 …… Fork pocket 4 …… Slope

Claims (1)

[Scope of utility model registration request] 1. A table for loading a pallet with wheels, a fork pocket provided on the table into which a fork for raising and lowering a cargo handling vehicle is inserted, and a slope provided on a side portion of the table. Loading and unloading equipment.