JP2000177657A - Manned vehicle for farm working - Google Patents

Abstract

PROBLEM TO BE SOLVED: To provide a manned vehicle used for farm working and capable of reducing burdens on a worker in working at an orchard and the like. SOLUTION: This manned vehicle is provided with a motor-driven mobile work truck 1 having a wheel/axle suspension system 2, a box-like work bench 7 vertically movably provided on a work truck 1 and a lift-up link 6 serving as a lift mechanism for vertically moving the work bench 7 on the work truck 1. A power source 5 for driving the work truck 1 and the lift-up link 6 is mounted on the work truck 1. The work bench 7 is provided with an operating lever 3 for instructing vehicular travel, stop, and steering to the work truck 1, and a lift-up lever 8 for instructing vertical movement to the work bench 7 at a position capable of carrying out operation by a worker on the work bench 7. The work bench 7 is provided with a control device 4 for controlling the work truck 1 and the lift-up-link 6 in accordance with operation by means of each lever 3, 8.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a manned vehicle for agricultural work which is used on farmland such as an orchard by carrying a worker.

[0002]

2. Description of the Related Art In rice cultivation in a paddy field having a relatively large planting area, rice transplanting is facilitated by a rice transplanter, cutting is mechanized by a combiner, etc., and the number of manual operations is reduced. ing. On the other hand, in the orchard, for example, most of the operations such as pollen application, fruit bag covering, and fruit collection are performed manually.

[0003]

However, the manual work in an orchard as described above is usually a work on a "shelf" about 2 meters above the ground, and is a work while moving a work bench or a stepladder. Especially for older workers, the burden is heavy and painful.

[0004] The present invention has been made in view of the above-mentioned conventional problems, and can reduce the burden on workers in orchard work, or can be used in an orchard performing grape picking and the like. It is an object (problem) to provide a manned vehicle for agricultural work that can make work easier for elderly people and people with walking disabilities.

[0005]

Means for Solving the Problems In order to achieve the above object, a manned vehicle for agricultural work according to the present invention is a manned vehicle for farm work that runs on farmland with a worker on it and supports agricultural work at high altitudes. A self-propelled work vehicle with wheels suspended independently to facilitate running on uneven terrain, a work table provided on the work vehicle so that it can move up and down, and a lift that moves this work table up and down with respect to the work vehicle The mechanism and the operating means are provided at a position where the worker on the work platform can operate the work platform.The operating means for instructing the work vehicle to run, stop, and steer the vehicle. And lifting means for carrying out the operation.

According to such a configuration, the worker can move on the farmland by operating the operating means while riding on the work table, and by lifting up the work table as needed, the worker can work at a high altitude. Work is also easy.

However, when the work platform is tilted due to unevenness of the ground, if the work platform is lifted too high, there is a risk that the balance of the center of gravity is lost and the work platform falls. Therefore, an inclination angle sensor that detects the inclination of the work vehicle, and a limit height of the work table that can avoid the fall according to the inclination angle detected by the inclination angle sensor are determined, and the lift-up amount by the lift mechanism is determined by the limit height. It is desirable to further include height limiting means for limiting the height to less than the height.

Another configuration of the manned agricultural work vehicle according to the present invention includes a self-propelled work vehicle whose wheels are independently suspended so as to facilitate running on uneven terrain, and an eccentric shaft on the work vehicle. A swivel chair is provided, which is rotatable and displaceable on the circumference of a predetermined eccentric amount with respect to the center of rotation, and the seat is freely rotatable, and is provided at a position operable by an operator sitting on the swivel chair, Running, stopping,
Operating means for instructing steering.

In the orchard shelving operation, the neck and feet are greatly fatigued while standing. Thus, the burden can be reduced by providing a chair on the work cart so that the user can move and work while sitting. Also, in shelf work,
A simple swivel chair is inconvenient, as you need to touch each flower cluster and fruit from all sides. Therefore, by attaching the chair to the eccentric shaft and rotating the seat freely as described above, the center of rotation is adjusted to the target fruit or the like, so that the hand can be moved from any position around the fruit. Can be stretched.

[0010]

DESCRIPTION OF THE PREFERRED EMBODIMENTS Two embodiments of a manned vehicle for agricultural work according to the present invention will be described below.

FIG. 1 is an explanatory view showing the configuration of a manned vehicle for agricultural work according to a first embodiment.
The manned vehicle for agricultural work according to the first embodiment is, as shown in FIG. 1, an electric self-propelled work vehicle 1 having an independently suspended wheel / axle suspension device 2 for facilitating running on uneven terrain.
And a box-shaped work table 7 provided on the work vehicle 1 so as to be vertically movable, and a lift-up link 6 as a lift mechanism for moving the work table 7 up and down with respect to the work vehicle 1. The work vehicle 1 is provided with a power source 5 for driving the work vehicle 1 and the lift-up link 6.

An operation lever 3 for instructing the work vehicle 1 to run, stop, and steer the vehicle is provided on the work table 7 at a position operable by an operator riding on the work table 7. Lift-up lever 8 for instructing vertical movement of
Are provided.

The workbench 7 is provided with a control device 4 for controlling the workbench 1 and the lift-up link 6 in accordance with the operation of the levers 3 and 8. The control device 4 includes:
The control device 4 includes a tilt angle sensor for detecting the tilt of the work platform 1, and the control device 4 determines a limit height of the work platform that can avoid a fall according to the tilt angle detected by the tilt angle sensor, and lifts up. It has a function as height limiting means for limiting the lift-up amount by the link 6.

In the above configuration, the worker gets on the work table 7 with the work table 7 set at the lowest position as shown in FIG. 1 and operates the operation lever 3 to operate the work area in the orchard. Drive the vehicle toward. When arriving at the work site, the operator operates the lift-up lever 8 to raise the work table 7 to a height suitable for the work. In the lifted state, the operator can easily carry out shelf work.

FIG. 2 shows a state where the work table 7 is lifted up to the highest position. Note that the lift-up amount is limited by the control device 4 according to the inclination angle. When the inclination angle is close to zero, the lift-up to the maximum height is permitted, but when the inclination angle is large, the limit height is also reduced. Therefore, even if the lift-up lever 8 is continuously operated, it does not rise above the predetermined intermediate position.

When the work at the predetermined position is completed, the operator operates the lift-up lever 8 to lower the work table 7 once to the minimum height shown in FIG. 1, and operates the operation lever 3 to run the vehicle. Go to next working position. Movement with the lifted-up state may cause a fall, and therefore, the operation by the operation lever 3 may be invalidated in the lifted-up state. However, if a slight movement is not allowed while the lift is up, it is inconvenient when fine position adjustment is required. Therefore, the control device is provided with functions such as limiting the moving amount and moving speed when the operation lever 3 is operated in a state where the work table 7 is lifted up to be smaller than when the work table 7 is at the lowest position. You may.

FIG. 3 shows a second embodiment of the present invention.
It is explanatory drawing which shows the manned vehicle for agricultural work which concerns on embodiment. The manned vehicle for agricultural work according to the second embodiment includes, as shown in FIG. 3, an electric self-propelled work vehicle 1 having an independently suspended wheel / axle suspension device 2 for facilitating rough terrain travel. A rotary chair 10 provided on the work carriage 1 via a crank-shaped eccentric shaft 11 and capable of rotational displacement on a circumference of a predetermined eccentric amount with respect to the center of rotation. The work vehicle 1 is equipped with a power source 5 for driving the work vehicle 1. In addition, a rotating portion 12 is provided between the eccentric shaft 11 and the chair 10 so that the rotating portion 12 is rotatable and freely rotatable. The chair shown in FIG.
Although the apparatus rotates about the zero seat, it may be rotated about the eccentric position of the seat as shown in FIG.

The swivel chair 10 is provided with an operation lever 3 for instructing the work cart 1 to run, stop, and steer the vehicle at a position operable by an operator sitting on the swivel chair.
And a control device 4 for controlling the work cart 1 in accordance with the operation of the lever 3.

In each of the above configurations, the operator operates the operation lever 3 while sitting on the swivel chair 10 to drive the vehicle toward the work location in the orchard. When the vehicle arrives at the work location, the vehicle is stopped by adjusting the rotation center of the eccentric shaft 11 to the target fruit or the like, and the swivel chair 10 is set to a desired rotation position for optimally performing the work to perform the shelf work. In this case, since the work can be performed while sitting, the burden on the worker can be reduced.In addition, since the swivel chair can be arbitrarily moved to a desired rotation position on a predetermined circumference, the individual flower clusters and fruits are placed on all sides. You can put your hands on

The eccentric shaft 11 and the rotating part 1
The lift 2 and the swivel chair 10 may be placed on a work bench as shown in the first embodiment to enable lift-up. The shape of the eccentric shaft is not limited to a crank shape as shown in FIG. 3, but may be a revolvable oblique shaft, or the swivel chair itself may be eccentrically attached.

[0021]

As described above, the agricultural manned vehicle of the present invention is constructed as described above and has the following excellent effects. (1) According to the configuration of claim 1, the worker can move on the farmland by operating the operating means while riding on the work table, and by lifting the work table as needed, Work in the place is also easier. Therefore, elderly people and people with walking disabilities can easily work in the orchard.

(2) When the lift-up amount is limited according to the inclination angle as in claim 2, it is possible to prevent a danger of falling due to excessive lifting of the work table on the slope. It is possible to provide a more secure vehicle.

(3) When the swivel chair is mounted on the work carriage via the eccentric shaft as in claims 3 and 4, since the work can be performed while sitting, the burden on the operator is greatly reduced. be able to. Furthermore, the swivel chair can be moved to a desired rotating position on a predetermined circumference to perform the work optimally by a simple operation, and the chair can be freely rotated, so that individual flower clusters and fruits are harvested. Therefore, it is possible to work from all sides and work efficiency can be improved.

[Brief description of the drawings]

FIG. 1 is a side view showing a state where a work bench of a manned vehicle for agricultural work according to a first embodiment of the present invention is at a minimum height.

FIG. 2 is a side view showing a state where a work bench of the manned vehicle for agricultural work shown in FIG. 1 is at a maximum height.

FIG. 3 is a side view of a manned vehicle for agricultural work according to a second embodiment of the present invention.

FIG. 4 is a side view of a manned vehicle for agricultural work having a configuration different from that of FIG. 3 according to the second embodiment of the present invention.

[Explanation of symbols]

 1: Work cart 2: Wheel / axle suspension 3: Control lever 4: Control device 6: Lift-up link 7: Work platform 8: Lift-up lever

Claims (4)

[Claims] Claims: 1. A manned vehicle for farming, which carries a worker on farmland to support farming at high altitudes, comprising: a self-propelled work vehicle having wheels independently suspended to facilitate running on uneven terrain; A workbench provided vertically movable on the workbench, a lift mechanism for moving the workbench up and down with respect to the workbench, provided at a position operable by a worker riding the workbench, A manned vehicle for agricultural work, comprising: operating means for instructing the work cart to travel, stop, and steer the vehicle; and lift means for allowing a worker to instruct the work platform to move up and down. . 2. A tilt angle sensor for detecting a tilt of the work platform, and a limit height of the work platform capable of avoiding a fall according to a tilt angle detected by the tilt angle sensor, and a lift by the lift mechanism. The manned vehicle for agricultural work according to claim 1, further comprising a height restricting unit that restricts an up amount to less than the limit height. 3. The worktable is provided with a rotating chair that can be rotationally displaced on a circumference of a predetermined amount of eccentricity with respect to a center of rotation by an eccentric shaft and a seat can freely rotate. The manned vehicle for agricultural work according to claim 1, wherein: 4. A self-propelled work vehicle having wheels suspended independently to facilitate running on uneven ground, comprising: It is provided via an eccentric shaft on the top, and can be rotationally displaced on the circumference of a predetermined amount of eccentricity with respect to the rotation center,
And a swivel chair whose seat is freely rotatable, provided at a position operable by an operator sitting on the swivel chair, and operating means for instructing the work cart to run, stop, and steer the vehicle. A manned vehicle for agricultural work, comprising: