JP2001258339A - Seedling feeder of rice transplanter - Google Patents

Abstract

PROBLEM TO BE SOLVED: To solve problems that seedling boxes are extremely heavy when the number of seedlings is increased and much labor is required though the seedling boxes are pushed from the external end by an operator with hands so as to gather the seedling boxes placed on a carrying platform to the central side in a conventional rice transplanter equipped with the carrying platform for reserve seedlings, lightly move the seedlings and thereby reduce the labor. SOLUTION: This seedling feeder of the rice transplanter is characterized in that a seedling-carrying platform 14 is capable of carrying the seedlings and movable and is obtained by composing the external end side of the seedling- carrying platform 14 so as to be vertically tiltable so that the posture of the external end side thereof is changed from a horizontal posture to a tilted posture in which the external end side is lifted upward and a connection guide part 18 for providing a smaller tilt angle than the tilt angle when the external end side is tilted in a connecting part of the external end side to the base end side is arranged.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rice transplanter provided with a seedling supply device comprising a mounting table for mounting spare seedlings, and belongs to the technical field of agricultural machinery.

[0002]

2. Description of the Related Art In general, a rice transplanter is provided with a stand for placing spare seedlings at an appropriate place on the machine body. Seedlings are replenished sequentially.

[0003]

Conventionally, an operator manually pushes a seedling placed on a mounting table from the outer end side toward the center side. However, when the number of seedlings increases, the number of seedlings becomes extremely large. And a great deal of effort was required.

An object of the present invention is to solve such a problem, and an object of the present invention is to reduce the labor by enabling the seedlings to be moved lightly.

[0005]

In order to solve the above-mentioned problems, the present invention takes the following technical means. That is,
A specific means for solving the problem in the present invention is a seedling mounting table 14 capable of mounting and moving seedlings,
The outer end side of the seedling mounting table is configured to be tiltable up and down so as to change the attitude from a horizontal attitude to an inclined attitude that is lifted upward, and a connection portion between the outer end side and the base end side of the seedling mounting table is provided. It is characterized in that a connection guide portion 18 having an inclination angle smaller than the inclination angle when the outer end side is inclined is provided.

[0006]

According to the present invention, by raising and inclining the outer end side of the seedling mounting table, the seedling can be moved smoothly and smoothly to the center side, thereby reducing the labor of the seedling replenisher. be able to.

[0007]

Embodiments of the present invention will be described with reference to the drawings. FIG. 1 and FIG. 2 show an eight-row planting machine. A pair of left and right front wheels 2 and 2 and running wheels 3 and 3 as running wheels are provided around a vehicle body 1. A steering device 6 having an operation box 4 and a steering handle 5 and the like is installed on the upper front portion of the vehicle body, and a seedling planting section 7 that can move up and down is equipped on the rear portion 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 various parts of the rice transplanter is mounted below the driver's seat.

A seedling planting section 7 has a seedling loading tank 10 that reciprocates left and right, and an implantation rod 11 that cuts out seedlings for one plant and implants them in the soil.
Planting device 12a, 12b, 12c, 1
2d, a float 13 for leveling the seedling planting surface. In the rear part of the fuselage, between the seedling mounting part 7 and the driver's seat 8, a spare seedling mounting table 14 on which seedlings can be placed and moved is erected in the left and right directions, and at least the outer end side is provided. It is configured to protrude greatly to the outside of the fuselage. In the embodiment, the projecting portions 14L and 14R are formed so as to protrude greatly on both outer sides of the fuselage, and at least a main portion (base center side 14C) of the mounting table 14 is provided with the seedling mounting portion 7. It is configured so that it can be folded and stored around the pivot shaft 16 so as to fit within the lateral width.

[0009] The spare seedling mounting table 14 is configured such that the seedling box mounted thereon is lightly moved in the lateral direction via a roller 17 which is cantilevered with respect to the underframe 15. . Also,
The mounting table 14 is configured so that the outer end side 14R (or 14L) can be tiltably fixed 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,該苗placing the outer end side and the base end side of the connecting portion to the connecting guide portion becomes small inclination angle A ₂ than the inclination angle A ₁ when is tilted to the outer end side of the table 18 Is provided. In the embodiment, a guide rail 18 is laid between the underframe 15 and the roller 17 so that the moving-side end of the seedling box S which moves and falls does not fall between the rollers. Le 1
8 to guide the vehicle.

The outer end 14R of the mounting table 14 in a horizontal state
If the seedling box is supplied and placed on the ridge side from above, and the outer end side is lifted and tilted to a predetermined inclined posture, the seedling box slides down along the inclined surface and is placed at the center side of the mounting table. Will be sent. Also, if the ridge side is higher and higher than the rice transplanter, hold the mounting table outer end side in an inclined posture,
Alternatively, the seedling boxes may be supplied and placed one by one from above, and may be sequentially pushed toward the center of the mounting table.

An empty box accommodation frame 19 for accommodating empty boxes of spare seedlings can be installed below the outer end side of the spare seedling mounting table 14R. In the housing frame 19, empty boxes are dropped one by one from the mounting table and are sequentially housed in a stacked manner. Another embodiment 1 (FIGS. 8, 9, 10, and 11) will be described.

The seedling mounting table 14 shown in FIG.
a, 20b and the horizontal axes 21a, 21b as fulcrums, so as to be able to move up and down through links 22a, 22b which can swing up and down. It is configured such that it can be approached and displaced to a position above the seedling loading tank 10 so that seedlings can be easily supplied.

The raising and lowering operation means of the seedling mounting table 14 uses a worm gear mechanism formed by a combination of a worm 23 and a worm wheel 24. The handle 25 is turned to move the link 22a up and down. In this configuration, the swing operation is performed. The lifting operation means of the mounting table is not limited to this embodiment, but it is particularly convenient if it can be moved up and down with one touch, and the work efficiency can be increased.

As shown in FIG. 10, if the front link 22a is longer than the rear link 22b, when the seedling mounting table 14 is raised to a position above the seedling loading tank 10, this The mounting table 14 is inclined in a direction in which the lower seedling mounting tank 10 side becomes lower. Therefore, replenishment of seedlings from the inclined seedling mounting table 14 to the seedling mounting tank 10 becomes extremely easy.

In the embodiment shown in FIG. 11, a stopper mechanism for stopping the vertical inclination of the seedling mounting table at the position closest to the seedling mounting tank in the seedling mounting table 14 which is configured to be able to move up and down and tilt up and down. 26 is installed at a suitable position on the upper end of the seedling mounting tank 10 of the seedling planting section 7 or at the side of the elevating link 27 of the seedling planting section 7. Therefore, since the seedling mounting table 14 can be brought close to the seedling mounting tank 10 at a minimum, it is easy to replenish the seedlings.

Further, a planting portion raising / stopping mechanism (a limit switch 28 in the embodiment) is provided on the lower surface of the seedling mounting table 14 on the side of the seedling mounting tank 10, and when the upper end of the seedling mounting tank comes closest to the seedling mounting table 14, It is the structure which stops raising of a planting part automatically. This also minimizes the gap between the seedling mounting tank and the seedling mounting table, thereby improving seedling replenishment.

Another embodiment 2 (FIG. 12) will be described.
An apparatus 31 for transferring seedlings from the light truck 29 to the rice transplanter in the field is configured to be mounted on the loading gate 30 of the light truck. The seedling transfer device 31 in this embodiment (FIG. 12) comprises a transfer rail 33 with a roller 32 and a seedling transfer stand 34 formed in a V shape, and a loading gate 30.
This is configured to be mounted on a base 35 with a removable rail 35a which is set on the base so as to be slidable in the front-rear direction. Note that the seedling transfer device 31 connects the seedling transfer table 34 to the loading gate 3.
It may be configured to be directly locked to 0 for use.

In short, according to this configuration, the seedling box on the bed of the light four truck is slid on the seedling transfer device 31 to be directly replenished to the rice transplanter, so that the replenishment operation of the seedlings can be efficiently performed. Can be done If 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 conveying device is integrated with the truck, so that only the truck needs to be moved.

[Brief description of the drawings]

Fig. 1 Side view of rice transplanter

FIG. 2 is a plan view of a rice transplanter.

FIG. 3 is a rear view of a main part of the above.

FIG. 4 is a rear view of the main part of the above.

FIG. 5 is an enlarged rear view of a main part of the above.

FIG. 6 is an enlarged rear view of a main part of the above.

FIG. 7 is a plan view of a main part of the same.

FIG. 8 is a side view of a rice transplanter according to another embodiment.

FIG. 9 is a side view of the main part of the above.

[Figure 10] Side view of rice transplanter

[Figure 11] Side view of rice transplanter

FIG. 12 is a perspective view of a light four truck and a seedling box transport device.

[Explanation of symbols]

DESCRIPTION OF SYMBOLS 1 Body, 2 Front wheel 3 Rear wheel 4 Operation box 5 Steering handle 6 Steering device 7 Seedling plant 8 Driver's seat 9 Engine 10 Seedling tank 11 Planting rod 12 Planting device 13 Float 14 Spare seedling mounting stand 15 Frame 16 Pivot shaft 17 Roller 18 Connection guide (guide rail)

Claims (1)

[Claims] 1. A seedling mounting table on which seedlings can be placed and moved, wherein the outer end side of the seedling mounting table can be tilted up and down so as to change its attitude from a horizontal attitude to an inclined attitude that is lifted upward. A connection guide portion having an inclination angle smaller than the inclination angle when the outer end side is tilted is provided at a connection portion between the outer end side and the base end side of the seedling mounting table. A rice seedling supply device for a rice transplanter.