JP3265526B2 - Picking equipment in reach forklift trucks - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a picking device for a reach forklift truck for performing a picking operation such as an operation of dispensing a few pieces of luggage stored at a high place in a warehouse.

[0002]

2. Description of the Related Art Conventionally, when performing a picking operation such as an operation of dispensing a few pieces of luggage stored at a high place in a warehouse, a plurality of pieces of dispensed luggage are loaded using a reach forklift truck. The fork claws of the working machine are inserted into the pallet, the pallet is lowered by the working machine, only a few required packages are taken out, and the pallet is stored in the warehouse again by the working machine. Also, knowing the danger, one worker rides on the fork nail of the work machine or on the pallet where no luggage with the fork nail is inserted is placed,
Another worker operated the work machine so that a worker on a fork claw or a pallet dispensed a few pieces of luggage.

[0003]

When the conventional picking operation is performed, in the former case, in order to dispense a few pieces of luggage, it is necessary to drop down the entire pallet, take out a few pieces of luggage, and then retry. The pallets have to be stored in the warehouse, and the work is troublesome and the work efficiency is low. Also, in the latter case, there is a problem that the workability is poor because two workers are required, but above all, the work may be extremely dangerous because the worker rides on the fork claws or the like. There was a problem. An object of the present invention is to solve these problems.

[0004]

SUMMARY OF THE INVENTION In order to solve the above-mentioned problems, the present invention relates to a reach forklift truck,
The head guard is divided into left and right parts into a first head guard located above the riding portion and a second head guard located above the driving device, so that the riding portion and the first head guard can be lifted integrally. At the same time, a picking device capable of lowering only the second head guard is mounted.

[0005]

When the picking device is mounted on the reach forklift truck, the picking operation can be performed by a single worker while still riding in the riding section.

[0006]

DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A first embodiment of a picking device in a reach forklift truck according to the present invention will be described. First, as shown in FIG. 1 and FIG. 2, a reach forklift truck includes a vehicle body 1, and the vehicle body 1 has a storage room 2 for storing a battery or the like as a power source in a front portion thereof.
For example, a riding section 3 on which a worker gets on is formed on the right side of the rear portion, and a driving device section 5 is provided on the left side which accommodates a driving device and a steering mechanism therein and has a handlebar 4 above it. A drive wheel 6 for driving and steering is provided at the rear left side of the vehicle body 1 below the driving device section 5 and a caster wheel 7 is provided at the rear right side of the vehicle body 1 below the riding section 3. ing. Further, a head guard 8 having a substantially vertical stripe shape is provided above the riding section 3 and the driving device section 5, and the head guard 8 is held by columns 9 standing upright on both left and right ends of a rear portion of the vehicle body. .

On the other hand, a work machine 10 is provided in front of the vehicle body 1. The work machine 10 includes a pair of left and right reach legs 11 provided forward and below the front end of the vehicle body 1, and the left and right reach legs 11. A pair of left and right masts 12 slidable up and down along the left and right masts 12 and fork claws 13 slidable up and down along the left and right masts 12. The road wheel 14 is provided on each front part.

Next, as a picking device in a reach forklift truck, FIGS.
As shown in the figure, the head guard 8 is connected to the first head guard 8a located above the riding section 3 and the driving device section 5.
And the second head guard 8b located above the right and left sides, so that the riding portion 3 and the first head guard 8a can be integrally raised freely, and only the second head guard 8b can be lowered. I have to.

More specifically, the picking device is described in detail. A rail 20 having a U-shaped cross section is fixed vertically to the center of the right and left sides of the vehicle body 1, and is vertically moved through rollers 21 along the rail 20. A sliding body 22 having a U-shaped cross section which is slidable up and down is provided, and the riding portion 3 is fixed to the sliding body 22. The riding portion 3 is provided with a plate-shaped bottom plate 23 on which an operator rides. A frame 24 is provided around the bottom plate 23 so as to guide a worker who stands up and is partially released for getting on and off the worker. A cutout 33 is formed in the bottom plate 23, and a brake pedal 34 provided on the vehicle body 1 side is arranged here. A support 9a is fixed above the front part of the riding section 3, and a first head guard 8a is fixed to the upper end of the support 9a. The first head guard 8a divides the above-mentioned head guard 8 into two right and left parts. Thus, it is located substantially above the riding section 3. In the vicinity of the rear side of the rail body 20, there is provided a first cylinder 25 which goes up and down, and the first cylinder 25 has a cylinder tube 25a.
Is fixed to the vehicle body 1 side, and the piston rod 2
5b with the interposition plate 26 on the upper part of the frame 24 of the riding section 3.
, And is operated by an operation source that operates the work machine 10.

On the other hand, a rail 28 having a U-shaped cross section is fixed to the left and right substantially center of the vehicle body 1 in the vertical direction.
A column 9b, which is slidable up and down via a roller 29 along the vertical direction 8, and has a U-shaped cross section, and a second head guard 8b is fixed to an upper end of the column 9b. The guard 8b divides the head guard 8 into two parts, left and right, and is located substantially above the driving unit 5. In the vicinity of the front side of the rail body 28, there is provided a second cylinder 30 which extends upward and downward. The second cylinder 30 has an end of a cylinder tube 30a fixed to the vehicle body 1 side and a tip of a piston rod 30b connected to the support column. 9b, and is actuated by an actuation source for actuating the working machine 10 in the same manner as the first cylinder 25 described above.

The operation switches 27 of the first cylinder 25 and the second cylinder 30 are provided on an upper plate 32 fixed to the upper left front end of the frame 24 of the riding section 3.

With this configuration, when the first cylinder 25 is operated, the sliding member 2 moves along the rail member 20.
As the vehicle 2 slides, the riding section 3 and the first head guard 8a can move up and down integrally, that is, freely ascend. When the second cylinder 30 is actuated, the column 9b slides along the rail 28, and the second head guard 8b can move up and down, that is, descend.

In the picking device thus configured,
An operation process at the time of performing the picking operation will be described.
First, as shown in FIG. 7, the operator gets into the riding section 3 and travels on the reach forklift truck to stop at the position where the picking operation is performed. Next, as shown in FIG.
The operator operates the operation switch 27 to operate the first cylinder 25 to raise the riding section 3 and the first head guard 8a. Then, as shown in FIG. 9, the worker takes out a required number of luggage stored at a high place in the warehouse and places it on the second head guard 8b. Next, as shown in FIG. 10, the operator operates the operation switch 27 to operate the first cylinder 25 so that the riding section 3 and the first head guard 8 are actuated.
a is lowered. Then, as shown in FIG. 11, the operation switch 27 is operated to operate the second cylinder 30, lower the second head guard 8b, and pick up and carry the loaded luggage.

In this manner, a few pieces of luggage stored at a high place in the warehouse can be taken out. Also, when a few pieces of luggage are stored at a high place in the warehouse, the operation described above may be reversed.

By doing so, when performing the picking operation, it is not necessary to take out the luggage together with the pallet as in the related art, or to eliminate the need for one operator to work on fork claws. In addition, since picking work can be performed while riding in the riding section, the work can be simplified, the fatigue of the worker can be reduced, the work efficiency can be improved, and the danger in work can be reduced and the safety can be reduced. Performance can be improved.

Next, a description will be given of a second embodiment of a picking device in a reach forklift truck according to the present invention. As shown in FIG. 12, FIG. 13, FIG. 14, and FIG.
The head guard 8 is divided into left and right parts into a first head guard 8a located above the riding part 3 and a second head guard 8b located above the driving device part 5, and the riding part 3 and the first head The guard 8a and the second head guard 8b can be freely moved up together.

More specifically, a square pipe-shaped rail body 40 having a rectangular cross-section that goes up and down is fixed to the approximate center of the right and left sides of the vehicle body 1, and slides up and down along the outer periphery of the rail body 40. A rectangular pipe-shaped sliding body 41 having a rectangular cross section which is free to move up and down is provided, and the riding section 3 is fixed to the sliding body 41, and the riding section 3 has a bottom plate as in the first embodiment. 2
3 and a frame 24. And the riding section 3
A support 9c is fixed above the front part of the vehicle, and a first head guard 8a is fixed to the upper end of the support 9c. The first head guard 8a is located substantially above the riding section 3. The rail body 40 includes a first cylinder 42 that extends vertically, the first cylinder 42 having an end portion of a cylinder tube 42a fixed to the vehicle body 1 and the tip of a piston rod 42b being connected to the sliding body. The work implement 10 is fixed to the upper end thereof and is operated by an operation source for operating the work machine 10.

On the other hand, a square pipe-shaped rail body 43 having a rectangular cross-section that goes up and down is fixedly attached to the approximate center of the front and rear left and right sides of the vehicle body 1, and is vertically slidable along the outer periphery of the rail body 43. 9d, a square pipe-shaped column with a rectangular cross section toward
And a second head guard 8b is fixed to the upper end of the support 9d, and the second head guard 8b is positioned substantially above the driving device 5. Further, a second cylinder 44 is provided in the rail body 43 and extends upward and downward.
Is fixed to the vehicle body 1 side, and the piston rod 4
4b is fixed to the upper end of the support 9d.
It is operated by an operation source that operates.

The operation switches 32 for the first cylinder 42 and the second cylinder 44 are provided on an upper plate 32 fixed to the upper left end of the frame 24 of the riding section 3.

With such a configuration, as in the first embodiment,
When the first cylinder 42 is actuated, the rail 40
As the sliding body 41 slides along, the riding section 3 and the first head guard 8a move up and down integrally, that is, freely rise. When the second cylinder 44 is actuated, the column 9d slides along the rail 43, and the second head guard 8b can move up and down, that is, descend.

As a result, as in the first embodiment,
When performing the picking work, the conventional method of removing the luggage together with the pallet or having one worker ride on the fork claws eliminates the work, and the picking work can be done by one worker and still on the riding part By being able to perform the work, the work can be facilitated, the fatigue of the worker can be reduced, the work efficiency can be improved, and the danger in the work can be reduced to improve the safety.
In addition, since the first cylinder 42 and the second cylinder 44 are both disposed inside the rail bodies 40 and 43, the picking device can be made compact.

In the second embodiment, the square pipe-shaped sliding member 41 is provided on the outer peripheral side of the square pipe-shaped rail body 40.
Or a square pipe-shaped support 9d is provided on the outer peripheral side of the square pipe-shaped rail body 43. The square pipe-shaped sliding body 41 is provided on the inner peripheral side of the square pipe-shaped rail body 40. Or a square pipe-shaped support 9d may be provided on the inner peripheral side of the square pipe-shaped rail body 43.

As a modification of the first embodiment, the first head guard 8a and the second head guard 8b are not divided into right and left parts as in the first embodiment.
As shown in the figure, together with the integrated head guard 8,
The riding section 3 and the head guard 8 can be integrally lifted. In this case, the rail body 20 on the right side of the vehicle body 1,
Slider 22, rider 3, support 9a, and first cylinder 25
Is the same as that of the first embodiment described above, except that a rail 28 similar to that of the first embodiment is fixed on the left side of the vehicle body 1, and is vertically moved along the rail 28 via a roller 29. A vertically movable second cylinder 35 is provided near the front side of the rail body 28 in addition to a vertically slidable column 9e having a U-shaped cross section. The second cylinder 35 has an end of the cylinder tube 35a fixed to the vehicle body 1 side,
The distal end of the piston rod 35b is fixed to the support 9e via an intervening plate 36 at substantially the middle of the support 9e. Then, a head guard 8 that almost covers the riding section 3 and the driving device section 5 is fixed to the upper ends of the columns 9a and 9e.

With this configuration, the first cylinder 25 and the second cylinder 35 are operated in synchronization with each other, so that the riding section 3 and the head guard 8 can be lifted integrally. As a result, it becomes possible for one worker to carry out the picking operation while holding one or two pieces of luggage while riding in the riding section 3.

[0025]

In the reach forklift truck, the head guard is divided into two parts, a first head guard located above the riding part and a second head guard located above the driving unit, and the riding part and the first head are divided. By installing a picking device that allows the guard and the guard to be lifted together and allows only the second head guard to be lowered, it is possible to take out the luggage with the pallet as before when performing the picking work Alternatively, it is possible to eliminate the need for one worker to work on the fork claws, and to allow one worker to perform picking work while still riding on the riding part, thereby making work easier. In addition to reducing worker fatigue and improving work efficiency, work danger is reduced and safety is improved.

[Brief description of the drawings]

FIG. 1 is a schematic side view of a reach forklift truck.

FIG. 2 is a schematic top view of a reach forklift truck.

FIG. 3 is a perspective view showing a picking device of a first embodiment according to the present invention.

FIG. 4 is a partial cross-sectional top view showing the picking device of the first embodiment according to the present invention.

FIG. 5 is a right side view, partly in section, showing the picking device of the first embodiment according to the present invention.

FIG. 6 is a partially sectional left side view showing the picking device of the first embodiment according to the present invention.

FIG. 7 is an explanatory diagram showing an operation process of the picking device.

FIG. 8 is an explanatory diagram showing an operation process of the picking device.

FIG. 9 is an explanatory diagram showing an operation process of the picking device.

FIG. 10 is an explanatory diagram showing an operation process of the picking device.

FIG. 11 is an explanatory diagram showing an operation process of the picking device.

FIG. 12 is a perspective view showing a picking device according to a second embodiment of the present invention.

FIG. 13 is a partial cross-sectional top view showing a picking device of a second embodiment according to the present invention.

FIG. 14 is a right side view, partially in section, showing a picking device according to a second embodiment of the present invention.

FIG. 15 is a partially sectional left side view showing a picking device according to a second embodiment of the present invention.

FIG. 16 is a perspective view showing a picking device according to a modification of the first embodiment according to the present invention.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 ... Body, 2 ... Storage room, 3 ... Riding part, 4 ... Steering wheel, 5
... Driving device part, 6 ... Drive wheel, 7 ... Caster wheel, 8 ... Head guard, 8a ... First head guard,
8b: second head guard, 9: support, 9a: support, 9b
... Prop, 9c ... Prop, 9d ... Prop, 9e ... Prop, 10 ...
Work machine, 11: reach leg, 12: mast, 13: fork claw, 14: road wheel, 20: rail body, 2
DESCRIPTION OF SYMBOLS 1 ... roller, 22 ... sliding body, 23 ... bottom plate, 24 ... frame,
25: first cylinder, 25a: cylinder tube, 25
b: piston rod, 26: interposed plate, 27: operating switch, 28: rail, 29: roller, 30: second cylinder, 30a: cylinder tube, 30b: piston rod, 31: interposed plate, 32: upper plate , 33 ... Notch, 3
4 ... Brake pedal, 35 ... Second cylinder, 35a ... Cylinder tube, 35b ... Piston rod, 36 ... Intermediate plate, 40 ... Rail body, 41 ... Sliding body, 42 ... First cylinder, 42a ... Cylinder tube, 42b ... Piston Rod, 43: rail body, 44: second cylinder, 44a: cylinder tube, 44b: piston rod.

Claims (1)

(57) [Claims] 1. A mast (12) having a forward reach leg (11) below the front end of a vehicle body (1), and slidable back and forth along the reach leg (11), and vertically moving up and down along the mast (12). A movable fork claw 13 is provided, a riding section 3 on which a worker gets on one of the left and right sides of a rear portion of the vehicle body 1, and a driving device section 5 having a handle 4 and the like are provided on the other left and right sides, respectively. And a reach forklift truck having a configuration in which a head guard 8 is provided above the driving unit 5, wherein the head guard 8 is located above the first head guard 8 a located above the riding unit 3 and above the driving unit 5. And the second head guard 8b positioned at the right and left are divided into two parts so that the riding part 3 and the first head guard 8a can be integrally lifted integrally, and only the second head guard 8b is lowered. Picking device according reach forklift truck, characterized in that so as to freely.