JPS591458Y2 - rice transplanter - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a riding or walking type rice transplanter, and more specifically, to an improvement in a mechanism for measuring the amount of seedlings removed at the planting section and setting it to a desired value.

In the planting section of the rice transplanter, mat-shaped seedlings are placed in a seedling tank that is tilted upwards from the front plate that has a seedling outlet, and the separating needles of the transplanted bodies are long in the vertical direction. By reciprocating in an elliptical trajectory and passing through the seedling outlet,
Seedlings are cut out one by one and planted on the rice field using a planting rod.

Conventionally, when measuring the amount of seedlings taken by such a separation needle and setting it to a desired value, we focused on the point where the separation needle draws a long oval trajectory in the vertical direction, and moved the front plate up and down. Then, the vertical position of the seedlings is adjusted using a gauge or the like so that the larger the amount of seedlings removed, the lower the position.

By the way, this method is based on the premise that the thickness of the seedling is always constant and the distance between it and the transplant body is constant, so if the thickness of the seedling changes and becomes thicker, the thickness of the seedling will inevitably change. The distance to the transplant body becomes shorter, and as a result, the separation needles enter the seedlings at a higher position and more quickly into the seedlings, increasing the amount of seedlings removed.
On the other hand, if the seedlings were thin, the amount of seedlings removed would be reduced.

Also, when measuring the position of the front plate with a gauge and setting it at the desired location, if there are seedlings placed on it, it will get in the way.
There is the hassle of having to remove the seedlings.

The present invention was developed in view of these circumstances, and it is possible to measure the amount of seedlings removed while the seedlings are still on the ground and set it to a desired value, so that the thickness of the seedlings does not change. The present invention also provides a rice transplanter that is improved so as to avoid errors in the amount of seedlings harvested.

For this purpose, the rice transplanter according to the present invention has a line marking the amount of seedlings removed on the lower side of the row partition of the seedling tank in the planting section.
By moving the movement locus of the separation needle in the implant back and forth and aligning it with the above-mentioned scale line, the amount of seedlings removed by the separation needle moving in an elliptical direction can be measured two-dimensionally in both the up and down directions as well as in the front and back directions, and the desired amount can be measured. The feature is that the value is set to .

Hereinafter, one embodiment of the present invention will be specifically described with reference to the drawings.

The illustrated embodiment shows an example in which the present invention is applied to a riding-type rice transplanter. A rice transplanting machine 4 is connected to the rear of the body frame 1 via a link mechanism 3.

The rice transplanting machine 4 has a body 5 connected to the rear end of the link mechanism 3.
It has a seedling tank 6 above it, and below it a float 7 that slides on the soil surface to level the ground.

The seedling tank 6 is supported so as to be horizontally movable along guide members 8 and 9 in a forward-inclined state, and a front plate 10 fixed to the guide member 9 is attached to the lower end of the slope of the seedling tank 6. The seedling tank 6 is arranged so as to face the lower end surface of the seedling tank 6, and by not receiving the front end of the mat-like seedling A, a plurality of seedlings can be placed side by side on the seedling tank 6. .

As is clear from FIG. 3, the front plate 10 at the lower end of the seedling tank 6 is provided with a plurality of seedling outlet ports 11 cut out at regular intervals. An implant 12 is provided.

In the implant 12, one end of a case 13 bent at a substantially right angle is attached to the crank arm 14, and a separation needle 15 is fixed to the other end, and an implant rod 16 is attached to the separation needle 1.
It is provided so as to move along 5.

The end of the case 13 on the crank arm side is also supported by a swing arm 17, and a seedling removal amount adjustment screw 18 is attached to the end of the swing arm 17 so that the support point of the swing arm 17 can be changed. It is a provision.

The implant case 13 is moved by the crank arm 14 while being supported by the swing arm 17, so that the separation needle 15 and the implant rod 16 draw a long ellipse in the vertical direction together with the case 13. At this time, the separation needle 15 passes through the seedling take-out port 11 on its outward path, cuts out one seedling there and carries it into the soil, and then the planting rod 16 protrudes to remove that one seedling from the separation needle. Take it out from No. 15, push it into the soil and plant it.

Also, when the end of the swinging arm 17 is moved toward the seedling tank using the adjustment screw 1B, the support point will move away from the seedling tank 6.
As a result, the locus of the separation needle 15 is positioned backward as shown by curve B in FIG. When the separation needle 15 moves to the side, the trajectory of the separation needle 15 moves forward as shown by curve C in FIG.

In such a riding-type rice transplanter, as shown in FIG. 3, a plurality of lines 19 indicating the amount of seedlings to be harvested are arranged at the lower end of the row partition 6a of the seedling tank 6.

Therefore, when the seedling tank 6 is brought to the left and right ends and its row partition portion 6a is brought close to the separation needle 15 of the implant 12,
Even when the seedling A is placed on the front plate 10 and the seedling tank 6 above it, the scale line 19 of the seedling tank row partition part 6a can be seen and the positional relationship with the separation needle 15 can be compared.

Therefore, when the position of the separation needle 15 is shifted back and forth using the adjustment screw 18 as described above to match the desired scale line 19, the trajectory of the separation needle 15's elliptical movement is set, and the separation The amount of penetration of the needle 15 into the seedling removal port 11 both vertically and in the front and rear directions is determined, and the amount of seedlings taken is thus adjusted. The more you adapt to the situation, the more seedlings you can harvest.

Furthermore, by seeing which of the scale lines 19 the separation needle 15 is aligned with, the amount of seedlings removed can be immediately measured.

As described above, according to the present invention, the row partition part 6 of the seedling tank 6
A scale line 19 for the amount of seedlings taken is engraved on a, and the separation needle 15 is moved and aligned with the line 19 to measure and adjust the amount of seedlings taken. The amount is determined two-dimensionally and is accurate, and a constant amount can always be obtained regardless of the thickness of the seedling A.

Further, a gauge is not required, and the seedlings can be placed in the seedling tank 6.

It should be noted that the present invention is not limited to the riding-type rice transplanter as in the embodiment, but can also be applied to a walking-type rice transplanter having an implant body that can adjust the movement trajectory of the separation needle. be able to.

[Brief explanation of the drawing]

Figure 1 is a side view of the main parts of a riding rice transplanter to which the present invention is applied, Figure 2 is an enlarged side view of the planting section, and Figure 3 is a perspective view of the main parts of the present invention. be. 1... Passenger vehicle body frame, 2... Rear wheel, 3... Link mechanism, 4... Rice transplanting machine, 5... Machine body , 6...Seedling tank, 7
...Float, 8,9...Guide member, 10...Front plate, 11...Seedling outlet,
12...Implant, 13...Case, 1
4... Crank arm, 15... Separation needle, 16... Implanted rod, 17... Rocking arm, 1B... Adjustment Screw, 19...Scale line, 6a...Strip partition.

Claims (1)

[Scope of utility model registration request] A seedling tank in which mat-shaped seedlings are placed and supported so as to move laterally in the left and right direction, and a seedling tank is provided so as to move reciprocating in the vertical direction in opposition to a seedling outlet opened at the lower end of the sloping end of the seedling tank. In the planting section, the seedling tank has a scale for the amount of seedlings to be taken on the lower side of the row partition section of the seedling tank. 1. A rice transplanter characterized in that a line is engraved on the scale, and the tip of the separation needle is aligned with the line on the scale to adjust the amount of seedlings taken.