JP2648298B2 - Submerged direct sowing / fertilizer application machine - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

The present invention relates to a submerged direct sowing method in which rice seeds are directly sown in a paddy field in which water is submerged, and a fertilizer which promotes post-germination growth on the side of the directly immersed seeds. The present invention relates to a machine for both direct sowing and fertilization, which can simultaneously perform sowing and fertilizing, or perform only sowing directly without soaking.

[0002]

2. Description of the Related Art Heretofore, specific structures of a direct sowing mechanism and a fertilizer application mechanism have been known, and a mechanism for feeding a certain amount of seeds and fertilizer by a vertical dish has also been known.

[0003]

However, since the seed hopper and the fertilizer hopper are conventionally separated from each other, the seeder frame and the fertilizer frame are also separated from each other. It had become longer before and after. According to the present invention, a seeding machine frame and a fertilizer applicator frame are arranged close to each other in the front-rear direction, so that the machine is used as a compact machine for both direct sowing and fertilizer application.

[0004]

The problems to be solved by the present invention are as described above. Next, means for solving the problems will be described. The seed hopper 1
1a and the fertilizer hopper 11b are disposed close to each other in the front-rear direction, and a main frame 25 which is raised and lowered by a work implement lifting mechanism A of the traveling work vehicle T is horizontally laid in the traveling direction, and a seed is placed on the main frame 25 upward and forward. The seeder frame 3 supporting the hopper 11a is protruded, and the fertilizer hopper 11 is moved upward and rearward.
The fertilizer applicator frame 4 supporting the fertilizer applicator frame 3 is provided at the upper end of the seeder dispenser frame 3 and the mounting plate 20 for the seed hopper 11a. The mounting plate 16 of the portion 11b is provided, and the upper portions of the seeder frame 3 and the fertilizer frame 4 are connected by a connecting body 53.

[0005]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The problems to be solved and means to be solved by the present invention are as described above. Next, the configuration of the embodiment shown in the accompanying drawings will be described. FIG. 1 is a side view of a submerged direct sowing / fertilizer combined machine attached to the traveling work vehicle T, FIG. 2 is an enlarged side view of a part of the submerged direct sowing / fertilizer combined machine, and FIG.
FIG. 4 is a rear view of the fertilizer application machine, FIG. 5 is a perspective view showing the inside of the hopper 11, and FIG.
7 is a side view of the seeder frame 3, FIG. 8 is a rear view and a side view of the fertilizer frame 4, and FIG. 9 is a side view of the fertilizer frame 4.

In FIG. 1, a four-wheel traveling work vehicle T is disposed at a front portion, and the traveling work vehicle T can also serve as a traveling part of a rice transplanter. Then, a work implement bracket B is provided at a part of the work implement elevating mechanism A at the rear of the traveling work vehicle T,
The main frame 25 is provided horizontally on a frame 34 protruding from the work implement bracket B. Further, a PTO transmission shaft support portion 32 is provided at a portion of the work implement bracket B, and the PTO transmission shaft supported by the PTO transmission shaft support portion 32 is inserted into the central transmission case M, and the left and right power transmission shaft 5
5 rotations.

A reduction gear is provided on the power transmission shaft 55 inside the transmission case M, and the upper drive shaft 41
Of rotation. Main frame 25 to frame 3
4, the main frame 25 is supported, the float bracket 19 protrudes rearward from the main frame 25, and the pivot bracket 28 of the float F is pivotally supported on the float bracket 19 via the pivot shaft 29. Also,
The front part of the float F is suspended from the main frame 25 so as to be vertically rotatable. At the front end of the float F, a sensor wire 31 of the seeding depth control device is attached. As shown in FIG. 1, the lower part of the hopper 11 is bifurcated, and a sowing and feeding case 6 is attached to a front part, and a fertilizing and feeding case 9 is attached to a rear part.

Next, description will be made with reference to FIGS. 2, 3, 4 and 5. As shown in FIG. 5, a partition plate 13 is disposed inside the hopper 11, and is divided into two parts. The front part is a seed hopper 11a, and the rear part is a fertilizer hopper 11a.
b. A pivotal support 15 is provided at the upper end of the partition plate 13, and pivotally supports the rotating lid 12. The rotating lid 12
Is configured to be rotatable back and forth, so that when it is thrown into one, it does not mix into the other. The upper portion of the hopper 11 can be closed by the lid 14. The lower part of the hopper 11 is bifurcated forward and backward, and the seeding / feeding case 6 is attached to the front part and the fertilizing / feeding case 9 is attached to the rear part. And the fertilizer application case will turn in a different direction in the shape of "C".

In this configuration, the fertilizer application case 9 does not extend and attach the branch portion of the hopper 11 but provides an extension pipe 56 to feed fertilizer into the side of the fertilizer application case 9. It is configured in such a way. Since the fertilizer is fed into the side of the fertilizer application case 9 by the extension pipe 56 in this manner, the seeding / delivery case 6 and the fertilizer application case 9 can be arranged in parallel in the same direction and in a forwardly downward shape. It was made.

[0010] A clutch case 57 is provided above the fertilizer application case 9 and a locking lever 8 is provided on the clutch case 57. Further, a remaining amount outlet 10 is provided below the rear surface of the fertilizer application case 9 to enable removal and cleaning of the remaining amount in the fertilizer application case 9. Further, the seed dispensing case 6 arranged in series below the seed hopper 11a is also provided with a remaining amount outlet 7 at a lower rear portion. The remaining amount outlets 7 and 10 are rubber caps, which are press-fitted and can be easily removed.

[0011] The stop levers 5, 5 of the seeding / feeding case 6 are provided on the seeding / feeding drive shaft 1, and the power is cut off when the locking levers 5, 5 and the engaging pins 40, 40 are disengaged. We are in contact. A one-way clutch C1 is arranged on the seeding feed drive shaft 1 and a one-way clutch C2 is placed on the fertilizer feed drive shaft 2. The rotation of the arm is changed to intermittent rotation by the one-way clutches C1 and C2.

A drive system from the drive shaft 41 of the transmission case M to the seeding feed drive shaft 1 will be described. Drive shaft 41
Is pivoted to a link 44, the link 44 is pivoted to an intermediate arm 45, a link 46 is pivoted to the intermediate arm 45, and the link 46 is pivoted to an arm 47 and the arm 47 Are fixed to the one-way clutch C1. Further, a power transmission system from the drive shaft 41 to the one-way clutch C2 of the fertilizer feeding drive shaft 2 will be described. The arm 52 on the drive shaft 41 drives the link 51, which is connected to the intermediate arm 50,
0 is pivotally connected to a link 49, and the link 49 is pivotally connected to an arm 48 of the fertilizer feeding drive shaft 2.

The pivot 38 of the intermediate arm 45 is pivotally supported by the pivot tube 22 on the seeder frame 3, and the pivot 39 of the intermediate arm 50 is pivotally supported by the seeder frame 3. It is pivotally supported by the cylinder 23.

As shown in FIGS. 6 and 7, the seeding machine frame 3 protrudes upward from the main frame 25, and a mounting plate 20 is attached to the upper end of the seeding machine frame 3 in a state where the rear is inclined at a low angle. The seeding feeding case 6 is mounted on the mounting plate 20. The pivot tubes 22 and 23 described above are fixedly provided in the middle of the seeder frame 3, and the transmission case mounting portion 24 is located forward of the seeder frame 3.
Is protruding. Three seeding machine frames 3 are arranged on the main frame 25 in the case of six rows, and a central transmission case M is attached to the central transmission case mounting portion 24 so that power is transmitted from the PTO transmission shaft. Is transmitted. Further, the fertilizer applicator frame 4 projects rearward and upward from the main frame 25.

As shown in FIGS. 8 and 9, the fertilizer applicator frame 4
The mounting plates 16 and 17 are arranged on a frame 18 horizontally provided on the left and right. The mounting plates 16 and 17 are
It is arranged substantially in parallel with the above-mentioned mounting plate 20 and on a straight line. The mounting plate 20 and the mounting plate 16 are connected to each other by a connecting body 53 for reinforcement, so that the forked portion of the hopper 11 is not cracked. A float bracket 19 protrudes rearward from the main frame 25, and a float bracket 28 is pivotally supported at a rear end of the float bracket 19 via a pivot shaft 29. The float F is supported so that the front can turn up and down.

As shown in FIG. 4, the seed discharge pipe 26 from the seeding / delivery case 6 is located at the left and right positions of one float F.
And the fertilizer discharge pipe 27 from the fertilizer application case 9 is extended, and the two are arranged close to each other, so there is a concern that they may be mixed. Therefore, the seed outlet 37 at the lower end of the seed discharge pipe 26 and the fertilizer outlet 3 at the lower end of the fertilizer discharge pipe 27
Between 0, a partition projection 54 integrally projecting from the float F is provided to prevent mixing of the two. In front of the seed outlet 37, a groove cutter 35 is provided.
A groove cutter 36 protrudes from the float F in front of.

[0017]

As described above, the present invention has the following advantages. As in claim 1, the main frame 25 which is lifted and lowered by the work implement lifting mechanism A of the traveling work vehicle T is horizontally laid in the traveling direction left and right, and the seeding machine frame 3 is protruded upward and forward from the main frame 25, The fertilizer applicator frame 4 is projected upward and rearward, the mounting plate 20 of the sowing and feeding case 6 is provided at the upper end of the seeder frame 3, and the mounting plate 16 of the fertilizing and feeding case 9 is provided at the upper end of the fertilizer application frame 4,
The upper part of the sowing machine frame 3 and the fertilizer machine frame 4 is connected to the connecting body 5.
3, so that the seed hopper and fertilizer hopper are separated in the conventional flooded direct sowing / fertilizer application machine, so that the seeder frame and fertilizer machine frame are also separated, The seeding machine frame and the fertilizer applicator frame are arranged close to each other in the front and rear, and the front and rear are short and compact so that they can be used for both direct sowing and fertilizer application. Was made.

[Brief description of the drawings]

FIG. 1 is a side view of a submerged direct sowing / fertilizer application machine attached to a traveling work vehicle T.

FIG. 2 is an enlarged side view of a part of a machine that is used for both direct sowing and fertilization.

FIG. 3 is a perspective view of the same machine for both direct sowing and fertilization.

FIG. 4 is a rear view of the same.

FIG. 5 is a perspective view showing the inside of the hopper 11;

FIG. 6 is a rear view of the seeding machine frame 3.

FIG. 7 is a side view of the seeder frame 3;

8 is a rear view of the fertilizer applicator frame 4. FIG.

9 is a side view of the fertilizer applicator frame 4. FIG.

[Explanation of symbols]

 T traveling work vehicle A work implement elevating mechanism B work implement bracket C1, C2 one-way clutch M transmission case 3 sowing machine frame 4 fertilizer applicator frame 6 sowing dispensing case 7, 10, remaining amount take-out 9 fertilizing dispensing case 11 hopper 11a seed hopper 11b Fertilizer hopper 12 Rotating lid 13 Partition plate 25 Main frame

Claims (1)

(57) [Claims] The present invention relates to a direct sowing / fertilizer combined use machine for seeds,
Hopper 11a and fertilizer hopper 11b
The main frame 25, which is lifted and lowered by the work implement lifting mechanism A of the traveling work vehicle T, is laid horizontally on the left and right in the traveling direction, and the seeding machine frame 3 supporting the seed hopper 11a projects forward and upward on the main frame 25. The fertilizer frame 4 that supports the fertilizer hopper 11b is provided to project upward and rearward. Fertilizer feeding case 9 and mounting plate 1 for fertilizer hopper 11b
6. A submerged direct sowing / fertilizer combined machine, comprising: a seeding machine frame 6;