JP3757742B2 - Rice transplanter - Google Patents

Description

[0001]
BACKGROUND OF THE INVENTION
The present invention relates to a rice transplanter provided with a seedling supply device including a mounting table on which a preliminary seedling is placed, and belongs to the technical field of agricultural machinery.
[0002]
[Prior art]
In general, in rice transplanters, a stand for placing a seedling is placed at an appropriate position on the machine body, and when the seedling runs out in the seedling tank, the seedlings on the stand are sequentially replenished. I am doing so.
[0003]
[Problems to be solved by the invention]
Conventionally, the operator pushed the seedling placed on the mounting table to the center side by hand from the outer end side, but when the number of seedlings increases, it becomes very heavy and requires a lot of labor. It was a thing.
[0004]
The present invention is intended to solve such a problem, and an object of the present invention is to reduce labor by allowing a seedling to be moved lightly.
[0005]
[Means for Solving the Problems]
In order to solve the above problems, the present invention has taken the following technical means.
That is, the specific means for solving the problem in the present invention is to provide a seedling planting unit including a seedling mounting tank on the rear side of the vehicle body including the driver's seat through the lifting link so as to be movable up and down. A seedling mounting table is provided between the seat and a seedling mounting table that can be mounted and moved by a roller pivoted on a frame, and the tilted position is such that the outer end side of the seedling mounting table is lifted upward from the horizontal position. When it is configured to be able to tilt up and down in order to change the posture, and when the outer end side is tilted between the table frame and the roller at the connecting portion between the outer end side and the base end side of the seedling mounting table A connection guide portion having an inclination angle smaller than the inclination angle of the seedling placement base is provided, an empty box housing frame for housing an empty box is provided below the outer end side of the seedling placement stand, and the seedling placement stand is moved to the seedling placement tank side. Provide a link to be approached while inclining, and the seedling mounting tank tilts the seedling mounting table by the link A stopper mechanism for stopping the closest position to, and that the planting machine, characterized in that is provided in place or the lifting link side of the seedling holding tank.
[0006]
【The invention's effect】
According to this invention, the inclination angle is smaller than the inclination angle when the outer end side is tilted between the frame and the roller at the connection portion between the outer end side and the base end side of the seedling mounting table. Since the connection guide section is provided , the seedling can be moved lightly and smoothly to the center side by lifting and tilting the outer end side of the seedling placement table, and the movement of the seedling box moving down It is possible to guide and guide along the connection guide portion so that the direction side end portion does not fall between the rollers, and the labor of the seedling supplier can be reduced. In addition, there is an empty box storage frame for storing empty boxes below the seedling placement table, so that the empty boxes are dropped onto the seedling placement table one by one from the seedling placement table and stacked in sequence. Can be accommodated. Furthermore, a link is provided to allow the seedling placement table to approach while being inclined toward the seedling placement tank side, and a stopper mechanism for stopping the inclination of the seedling placement table by the link at a position closest to the seedling placement tank side is provided as the seedling placement tank. Therefore, it is possible to make the seedling placement table as close as possible to the seedling placement tank, and it is very easy to supply seedlings from the inclined seedling placement stand to the seedling placement tank.
[0007]
DETAILED DESCRIPTION OF THE INVENTION
An embodiment of the present invention will be described with reference to the drawings.
FIGS. 1 and 2 show an 8-row Ueda transplanter, and a pair of left and right front wheels 2 and 2 and rear wheels 3 and 3 as running wheels are installed before and after a vehicle body 1. A steering device 6 having an operation box 4 and a steering handle 5 and the like is installed at the front upper part of the vehicle body, and a seedling planting part 7 that can be moved up and down is provided at the rear part of the vehicle body. A driver's seat 8 is installed on the rear side of the control device 6, and an engine 9 for transmitting power to each part of the rice transplanter is mounted below the driver's seat.
[0008]
The seedling planting section 7 includes a seedling mounting tank 10 that reciprocates left and right, and a planting device 12a, 12b, 12c for two-row planting having a planting basket 11 that cuts out seedlings for one strain and transplants them into the soil. 12d, and a float 13 for leveling the seedling planting surface.
A spare seedling mounting table 14 on which a seedling can be placed and moved between the seedling planting part 7 and the driver's seat 8 at the rear rear part of the machine body is installed in the lateral direction, and at least the outer end side is It is configured to protrude greatly laterally outside the aircraft. In the embodiment, it is configured so as to project greatly outward on both outer sides of the machine body, and the projecting portions 14L and 14R have at least the main portion (base end central side 14C) of the mounting table 14 of the seedling planting portion 7. It is set as the structure which can be folded and accommodated around the pivot axis 16 so that it may be settled in a horizontal width.
[0009]
The preliminary seedling placing table 14 is configured such that a seedling box placed thereon moves lightly in the lateral direction via a roller 17 that is pivotally supported with respect to the table frame 15.
Further, the mounting table 14 is configured to be tiltable and fixable so that the outer end side 14R (or 14L) can be changed to a predetermined tilt angle with the pivot shaft 16 as a fulcrum.
[0010]
Then, the connecting portion between the outer end side and the proximal side of the該苗table provided connecting guide portion 18 serving as a small inclination angle A ₂ than the inclination angle A ₁ when is tilted the outer end It is a configuration. In this embodiment, a guide rail 18 is laid between the underframe 15 and the roller 17, and the guide rail 18 is moved so that the moving direction end of the seedling box S does not fall between the rollers. The guide is guided along the line 18.
[0011]
If the seedling box is supplied and placed on the outer end side 14R of the mounting table 14 in the horizontal state from the heel side, and the outer end side is lifted and tilted to a predetermined inclined posture, the seedling box is placed on the inclined surface. Along the slide, it will be brought to the center of the mounting table.
Also, if the heel side is high and higher than the rice transplanter, hold the outer end of the mounting table in an inclined position, or lean on the ridge in an inclined position, and The seedling boxes can be supplied and placed one by one from the top and sequentially pushed toward the center of the placement table.
[0012]
An empty box housing frame 19 that houses an empty box for the spare seedling can be installed below the outer end side of the spare seedling mounting table 14R. In the housing frame 19, empty boxes are dropped from the mounting table one by one and are sequentially housed in a stacked form.
Another embodiment 1 (FIGS. 8, 9, 10, and 11) will be described.
[0013]
The seedling mounting table 14 shown in FIG. 8 is configured to be movable up and down via links 22a and 22b that can swing up and down with support legs 20a and 20b and horizontal shafts 21a and 21b as fulcrums. As the pedestal 14 is raised, the seedling tank 10 is moved closer to the seedling loading tank 10 and displaced to an upper position of the seedling loading tank 10 so that the seedling can be easily replenished.
[0014]
The raising / lowering operation means of the seedling mounting table 14 uses a worm gear mechanism that is a combination of a worm 23 and a worm wheel 24, and rotates the handle 25 to swing the link 22a up and down. It is a configuration to operate. The raising / lowering operation means of the mounting table is not limited to this embodiment, but it is particularly convenient if it can be raised / lowered with a single touch, and work efficiency can be improved.
[0015]
As shown in FIG. 10, if the front link 22a is made longer than the rear link 22b, when the seedling mounting table 14 is raised to a position above the seedling mounting tank 10, the seedling mounting table 14 Is inclined in the direction in which the lower seedling tank 10 side is lowered. Therefore, the replenishment of seedlings from the inclined seedling placement table 14 side to the seedling placement tank 10 side becomes extremely easy.
[0016]
In the embodiment shown in FIG. 11, in the seedling mounting table 14 configured to be able to move up and down and vertically tilt, a stopper mechanism 26 for stopping the vertical tilting of the seedling mounting table at the closest position to the seedling mounting tank, It is installed on the upper end appropriate position of the seedling mounting tank 10 of the seedling planting section 7 or on the lifting link 27 side of the seedling planting section 7. Therefore, since the seedling mounting table 14 can be brought as close as possible to the seedling mounting tank 10, the seedling can be easily replenished.
[0017]
In addition, a planting part ascending / stopping mechanism (a limit switch 28 in the embodiment) is provided on the lower surface of the seedling mounting table 14 on the seedling mounting tank 10 side, and when the upper end of the seedling mounting tank is closest to the seedling mounting table 14, the seedling planting unit It is the structure which stops the rise of the automatically. This also makes it possible to minimize the gap between the seedling mounting tank and the seedling mounting table, thereby improving seedling replenishability.
[0018]
Another embodiment 2 (FIG. 12) will be described.
A device 31 for transporting seedlings from the light truck 29 to the rice transplanter in the field is configured so that it can be mounted on the carrier bed 30 of the light truck. The seedling transporting device 31 in this embodiment (FIG. 12) is composed of a transporting rail 33 with a roller 32 and a seedling transporting base 34 formed in a dogleg shape, and is set on the loading platform gate 30. This is a configuration in which the base 35 with the detachable rail 35a is slidably mounted in the front-rear direction. The seedling transporting device 31 may be configured to use the seedling transporting base 34 by directly locking the seedling transporting base 34 to the loading platform gate 30.
[0019]
In short, according to such a configuration, the seedling box on the loading platform of the light four truck slides on the seedling conveying device 31 and is directly replenished to the rice transplanter, so that the seedling replenishing work is efficiently performed. be able to. When the seedling replenishment position is sufficient in a small movement range, the seedling transport device 31 itself may be slid. When the moving range is large, the seedling transporting apparatus is integrated with the truck, so that it is only necessary to move the truck.
[Brief description of the drawings]
[Fig. 1] Side view of rice transplanter [Fig. 2] Plan view of rice transplanter [Fig. 3] Rear view of the main part of the above [Fig. 4] Rear view of the main part of the above [Figure 5] Enlarged rear view of the main part of the above [ [Fig. 6] Enlarged rear view of the main part of the same. [Fig. 7] Plan view of the main part of the same. [Fig. 8] Side view of the rice transplanter . [Fig. 9] Side view of the main part of the same. 11] Side view of rice transplanter [Fig. 12] Perspective view of Mini 4 truck and seedling box transport device [Explanation of symbols]
1 ... body, 7 ... seedling planting unit, 8 ... the driver's seat, 10 ... seedlings placing tank, 14 ... preliminary Naeno table, 15 ... underframe, 16 ... pivot shaft, 17 ... b - la, 18 ... announce 19 ( empty box housing frame, 22a ... front link, 22b ... rear link, 26 ... stopper mechanism, 27 ... lift link

Claims (1)

A seedling planting section provided with a seedling tank is provided on the rear side of the vehicle body including the driver's seat via an elevating link so that the seedling can be moved up and down. A seedling mounting table that can be placed and moved, and is configured so that the outer end side of the seedling mounting table can be tilted up and down to change the posture from a horizontal posture to an inclined posture that is lifted upward, A connection guide portion having an inclination angle smaller than the inclination angle when the outer end side is inclined is provided between the frame and the roller at the connection portion between the outer end side and the base end side of the mounting table. In addition, an empty box housing frame that accommodates an empty box is provided below the outer end side of the seedling mounting table, and a link that allows the seedling mounting table to approach the seedling mounting tank while being inclined is provided. The stopper mechanism that stops the inclination of the Rice transplanter, characterized in that is provided in place or the lifting link side seedlings placing tank.

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