JPH0476642B2 - - Google Patents

Description

[Detailed description of the invention] (a) Industrial application field
This invention relates to a groove-making device for a side-row fertilizer applicator that applies fertilizer to the vicinity of seedlings planted with planting claws in order to improve the rooting of the seedlings.

In particular, the present invention relates to a groove-making device for a side-row fertilizer applicator in which a float is provided in an inverted U-shaped float portion.

(b) Conventional technology The technology related to side row fertilizers has been developed since 1983.
The techniques described in Japanese Unexamined Utility Model Publication No. 11609, Japanese Utility Model Application Publication No. 59-29114, and Japanese Utility Model Application Publication No. 56-59810 are known to the public, and the technology related to the groove maker is also
The technique described in Japanese Patent No. 152813 is known.

(C) Problems to be Solved by the Invention The present invention provides an inverted U-shaped float.
When the seedling planting section is placed in the square notch space formed in the center of the letter-shaped float, the groove maker that creates the groove for the fertilization section is difficult to use because the front and back width inside the float notch space is narrow. Since it becomes difficult to attach, the present invention provides a configuration of a groove maker that allows a long groove maker to be attached to this part.

(d) Means for solving the problem The problems to be solved by the present invention are as described above.
Next, means for solving the problem will be explained.

In a configuration in which a cutout space is provided at the rear of the inverted U-shaped float 9 in the direction of movement, and a seedling planting part is arranged inside the front central part of the cutout space, seedlings are planted by passing through the seedling planting part back and forth. A groove-maker 25 is fixed to the lower surface of the inverted U-shaped float 9 at an appropriate distance in the left-right direction from the line, and an upper planting drive is provided inside the notch space at the rear position of the groove-maker 25. A groove making body 42 is fixedly supported from the side of the case 31, a groove making U-shaped guide 17 is provided at the rear of the groove making body 42, and a fertilization guide pipe 16 is extended inside the groove making U-shaped guide 17. This is what was placed.

(e) Embodiments and operations Next, embodiments of the present invention and their operations will be described based on the attached drawings.

Figure 1 is an overall plan view of a riding-type 4-row rice transplanter equipped with a side-row fertilizer applicator, Figure 2 is a rear view of the side-row fertilizer applicator for 2 rows on the left side, and Figure 3 is a rear view of the 4-row rice transplanter on the left side. Figure 4 is a left side view of the side row fertilizer applicator for the first row on the left, and Figure 5 is a right side view of the side row fertilizer applicator for the second row.
Top view of the float and groove forming part of the second row and the second row, No. 6
Figure 7 is a plan view and side view showing the installation position of the groove-making device in an inverted U-shape for four-row planting, and Figure 8 shows the arrangement of the float and groove-making device for five-row planting. The plan view shown in FIG. 9 and FIG. 10 are a plan view and a side view showing the arrangement of a groove-making device on an inverted U-shaped float in the case of five-row planting.

In Fig. 1, the outline of a riding rice transplanter is shown.
4, 4 is a front wheel, 2 is a steering handle, 1 is a seat, 8 is a marker, and the side row fertilizer application machine A is comprised from the upper part of the seedling stand to the rear.

Figure 2, Figure 3, Figure 4, and Figure 5 show a side row fertilizer applicator attached to the left two row planting section of a rice transplanter for four row planting.

In the case of a 4-row rice transplanter, 2 rows on the left and 2 rows on the right.
Each article is made up of a set. 14 is a hopper in which fertilizer is stored. 14a is a hopper lid. Hopper 1
4 is externally fitted and fixed to the cap 34 portion of the upper roll case 35.

The cap 34 and the upper roll case 35 are combined to form a bevel gear case, and the rotation of the fertilizer applicator drive shaft 32 is changed to the vertical rotation of the roll drive shaft 37.

The feed roll 39 is rotated by the roll drive shaft 37, and since the roll upper cover 38 on the upper surface and the roll lower cover 40 on the lower surface are fixed to the roll case, the feed roll 39 enters the through hole from the opening of the roll upper cover 38. Rotate the ivy fertilizer approximately 180 degrees and
It is configured so that it falls by a fixed amount from the drop hole of 0.

A screw conveyor 36 extends from the lower end of the roll drive shaft 37, and from inside the guide pipe 10,
It protrudes between the grooved U-shaped guides 17. 15
is a lower roll case, and the guide pipe 16 extends from the lower end of this lower roll case.

The power of the fertilizer applicator drive shafts 32 and 33 is provided by the planting claws 50.
The arm 18 is fixedly attached to the crank part of the machine and taken out.

The lower end of the interlocking link 19 is pivotally connected to the arm 18, and the upper end is fixed to the arm of the one-way clutch 20. Since the one-way clutch 20 is fixed on the coupling shaft 21, the coupling shaft 21 rotates intermittently with the crank movement of the planting claw 30, and drives the fertilizer application machine drive shafts 32, 33 with the pins 21a, 21b. There is.

The side row fertilizer applicator is supported by a frame 13a fixed to the upper roll case 35.
3a is a support 13 extending from the planting drive case 31
is supported by

In addition, as shown in Figure 5, the float of the riding rice transplanter for 4-row planting has an inverted U-shaped side float 9.
The center float 9C is a T-shaped float.

The first and fourth rows are inverted U-shaped floats 9
The plants are planted in a square notch space surrounded by a square notch space, and the furrower 25 of the side row fertilizer applicator is also provided inside this notch space. Inverted U-shaped float 9L,
The inside of the inverted U-shape of 9R protrudes 9m and 9n, forming soil protrusions 9m and 9n as a soil cultivation device.

Fertilizer is dropped into the groove formed by the trencher 25 and the trencher 42, and the fertilizer is covered with soil by the soil protrusions 9m and 9n, which are soil cultivation devices.

The second and third rows are provided in the fast-flowing part between the inverted U-shaped float 9L and the center float 9C, so the groove-cultivating soil plate 28 is installed on the outside of the groove and the soil is quickly cultivated, so that the water flow directly This protects the fertilizer from being washed away.

First, referring to FIG. 3, to explain the first and fourth groove forming parts, a groove forming device 25 that is fixed and extended on the bottom surface of the inverted U-shaped float 9L is provided in this part, and furthermore, a part of the float support frame 43 is provided. A groove-forming body 42 which is more supported and extended follows it. The groove creator 2
5 is fixed to the narrow front part of the inverted U-shaped float 9, and the rear part projects into the interior of the square cutout space.

The groove-making U-shaped guide 17 is fixed to this groove-making body 42, and is further attached to the support frame 13 of the side row fertilizer applicator.
Even in the support pipe 22 extending downward from a,
This groove forming body 42 is connected and supported via a mounting body 51.

The groove forming body 42 and the groove forming U-shaped guide 17 are supported by the planting drive case 31. On the other hand, the inverted U-shaped float 9 is supported separately and can freely move up and down with respect to the planting drive case 31.

Further, the guide pipe 16 is also supported by this support pipe 22. The groove making body 42 and the groove making U-shaped guide 17 constitute a groove making device.

Next, as shown in FIG. 4, the groove-cutting parts with the second and third groove-cutting soil plates are between the inverted U-shaped float 9L and the center float 9C, so the groove-cutting body 42 can be extended forward. Since the slope can be made gentle, there is no auxiliary groove forming body 41.

A groove forming body 44 is fixed to the float support frame 43, and the rear part of the groove forming body 44 is also fixed to the support pipe 22 by a mounting body 27.

A pivot shaft 30 is provided on the mounting body 27 to pivot the trenching soil plate 28, and is constantly biased downward by a spring 29.

Exit 50a of the seedling take-out plate shown in FIG.
is the position where the planting claw passes, and the seedling is planted below this point. Therefore, from the position of this seedling, the fertilization position is b
This is considered to be 50mm on the desk. Therefore, the inside of the U-shape must be at least 50 mm on one side. What is also necessary in the opposite direction is this inverted U when planting in 5 rows, as shown in Figures 8 to 10.
This is because it also serves as a float for the letter shape.

In the case of an inverted U-shaped float, the water flow for fertilizer is not fast, so instead of the soil plate, the soil protrusions 9m and 9n are formed by protruding from the rear inside of the float.

The groove creator 25 has an inverted U shape as shown in FIGS. 7 and 10.
It is fitted and fixed into a recess 9d provided on the back side of the letter-shaped float 9, so as not to get caught in foreign objects such as straw. The rear end extends to the inside of the square cutout space of the inverted U-shaped float 9.

FIG. 8 shows the arrangement of the inverted U-shaped float 9' and the groove-making device in the case of five-row planting. In the case of 5-row planting, the central center float is an inverted U-shaped float 9', so the furrower 25 in the notch space is placed on the right side in the direction of travel, at least 50 mm away from the center. In other words, the position is opposite to that of the four-row planting format.

In the present invention, the width of the notch space inside the U-shape is set to 100 mm or more so that the groove creator 25 can be attached even in such a case, and recesses 9d for attaching the groove creator 25 are provided on the left and right sides. be.

(F) Effects of the Invention Since the present invention is configured as described above, it has the following effects.

First, in the present invention, the planting drive case 3
In addition to 1, a groove-making device 25 is provided on the lower surface of the inverted U-shaped float 9 that freely moves up and down, and a groove-making body 42 is provided to support it on the side of the planting drive case 31.
Even if the inverted U-shaped float 9 and the planting drive case 31 move up and down without permission, the groove can be made by either the groove-making device 25 or the groove-making body 42, so fertilization from the guide pipe 16 is ensured. It can be dropped into the ditch.

Second, by arranging the groove-making fertilization unit composed of the groove-making device 25, the groove-making body 42, and the groove-making U-shaped guide 17 from the front of the notch space to the notch space, sufficient groove-making performance can be achieved. It is possible to raise it.

Moreover, the space in the cutout space of the inverted U-shaped float can be effectively used for making trenches and planting seedlings.

[Brief explanation of the drawing]

Figure 1 is an overall plan view of a riding-type 4-row rice transplanter equipped with a side-row fertilizer applicator, Figure 2 is a rear view of the side-row fertilizer applicator for 2 rows on the left side, and Figure 3 is a rear view of the 4-row rice transplanter on the left side. The left side view, Figure 4, shows the side row fertilizer applicator for the first row on the left side.
Similarly, the right side view of the side row fertilizer applicator for the second row, Figure 5 is a plan view of the floats and groove cutting section for the first and second rows, and Figures 6 and 7 are the inverted U-shape for four row planting. Figure 8 is a plan view and side view showing the installation position of the groove-making device in case of 5-row planting, Figure 9 and 10 are plan views showing the arrangement of the float and groove-making device in case of 5-row planting FIG. 7 is a plan view and a side view showing the arrangement of a groove-making device on an inverted U-shaped float in the case of FIG. 9L, 9'...Inverted U-shaped float, 9d...Recess for attaching auxiliary trencher, 9m, 9n...Soil protrusion,
17... Groove making U-shaped guide, 25... Groove making device, 42
...Groove body.

Claims (1)

[Claims] 1 In a configuration in which a cutout space is provided at the rear of the inverted U-shaped float 9 in the direction of movement, and a seedling planting part is arranged inside the front central part of the cutout space, seedlings passing back and forth through the seedling planting part. From the attached line, a trencher 25 is fixed to the lower surface of the inverted U-shaped float 9 at an appropriate distance in the left and right direction. Drive case 31
A groove making body 42 is fixedly supported from the side, a groove making U-shaped guide 17 is provided at the rear of the groove making body 42, and a fertilizing guide pipe 16 is installed inside the groove making U-shaped guide 17.
A side row fertilizer applicator characterized by having an extended arrangement.