JPH0923712A - Grower for seeder - Google Patents

Abstract

(57) [Summary] [Purpose] Accurate grooving is smoothly performed on the soil surface by a grooving device with a sled plate form. [Structure] A sled plate-shaped flat surface 1 is provided with a grooved surface 2 having a V-shaped cross section and gradually deepening toward the rear end on the rear bottom surface thereof. A construction of a grooving device of a seeder, which is formed by forming an inclined flat surface 3 which is rearward and upward to the left and right with respect to the plane 1.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a grooving device for a seeder, which can be used for forming a seeding groove for seeding rice.

[0002]

2. Description of the Related Art As a grooving device for a sowing machine, there is a construction in which a grooving surface having a V-shaped cross section is formed on the bottom surface of a sled plate. The soil surface that is leveled by the flat surface is subjected to overpressure during the flattening, so that the soil that is overrun on this leveling surface or collapses at the trace of passage through the grooving device causes the shape of the sowing groove with a V-shaped cross section. It is easy to collapse or fill.

[0003]

According to the present invention, a grooving surface 2 having a V-shaped cross section and gradually deepening toward the rear end is formed on a rear bottom surface of a sled plate-like flat surface 1. A grooving device of a seeding machine is formed by forming an inclined flat surface 3 on the right and left sides of the flat surface 2 which is rearward and upward on the left and right sides with respect to the flat surface 1.

[0004]

[Operation and effects of the invention] During the sowing work, a groove having a V-shaped cross section is formed on the soil surface by the progress of the groove making device, and the seeding machine is used for sowing. The soil surface is pressed down by the leveling surface 1 so as to be leveled, and the leveling surface 2 is used to form the leveling groove at the center of the leveled soil surface. In this grooving action, since the grooving surface 2 pushes a part of the soil outward, the soil surfaces on both the left and right sides of the grooving portion rise up, but on the left and right lateral sides of this grooving surface 2. Since the inclined flat surface 3 escapes to the upper side of the soil surface leveled by the flat surface 1, it is possible to smoothly raise the soil surface under the flat surface 3. The grooving resistance of the grooving surface 2 can be reduced, the overpressure on the grooving soil surface is reduced, and the disturbance is eliminated.

Moreover, since the soil pushed up by the grooving surface 2 and raised is lightly pressed by the sloping flat surface 3 which is inclined rearward and upward, the leveled soil surface is struck by the grooving surface 2. Since it is an inclined surface that is inclined toward the sowing groove side of the V-shaped cross section formed, rainwater etc. flow in well after sowing, making it easy to move soil to the sowing groove side and cover soil easily. can do.

[0006]

DESCRIPTION OF THE PREFERRED EMBODIMENTS A grooving device 4 according to the present invention is a tractor vehicle body 5.
It is mounted as a part of a seeder 7 that is connected by a connecting arm 6 that is raised and lowered to the rear side. The seeding machine 7 has a hopper 8 for accommodating seeds such as seed paddy on the upper part, and a seeding roll 9 for feeding seeds is provided on the lower part of the hopper 8, and the seeds fed out are near a soil surface by a pipe 10. It is guided down into the seeding groove A. The grooving device 4 forms the seeding groove A, and is arranged below the seeding machine 7 along the tooth bar 11 so as to face each seeding machine 7 below.

The tooth bar 11 has a mounting arm 12
Is mounted so that it can be adjusted to move left and right, and can be adjusted to move up and down, and the grooving device 4 is supported at the lower end of the mounting arm 12 by a pair of front and rear cross link rods 13 and 14. The mounting arm 12 is provided with a lateral support shaft 15,
A pair of left and right pieces 16 and 17 are rotatably provided around the support shaft 15. Link rod 1 of the cross link
3 and 14 are vertically slidably inserted into these pieces 16 and 17, and are in a state of intersecting in a side view. The link rods 13 and 14 are pivotally attached to the front and rear link brackets 18 and 19 of the sled plate-shaped grooving device 4, and these link rods 13 and 14 are interposed between the corresponding pieces 16 and 17, respectively. The springs 20 and 21 are mounted to spring up and down to maintain the neutral position of the vertical swing. Each of the groovers 4 presses against the soil by the cross link rods 13 and 14 to level the soil.

The grooving device 4 is made of a plate material in which the front edge 22 is bent into a sled plate shape, and has a flat surface 1 formed on a flat bottom surface and a grooving surface 2 formed at the rear center of the flat surface 1. And inclined flat surfaces 3 formed on the left and right outer edges of the grooved surface 2. The grooving surface 2 has a V-shaped cross section from the central portion of the uniform plane 1 to the rear end thereof, and is formed by sequentially inclining deeply. Further, the inclined flat surface 3 on the left and right outer sides is a straight line extending from the outer edge portion of the flat surface 1 to the upper end portion of the grooving surface 2 at the rear end. Bend upward to incline. The inclination angle of the left and right outer edges of the inclined flat surface 3 with respect to the flat surface 1 is α, and the inclination angle in the left and right outer directions is θ.

As described above, the flat surface 1 increases the cross-sectional area of the groove formed by the groove surface 2 as it extends rearward, and also increases the escape area of the inclined flat surface 3 to the upper side. Therefore, the groove surface 1
The soil that is pushed out to the left and right is smoothly removed, and is leveled on the slope. The lower end portion of the pipe 10 of the seeding machine 7 is desired to be placed on the seeding groove A which has received the working groove of the grooving device 4, and is directly seeded in the seeding groove A.

In FIG. 4, the difference from the above example is that the rear side of the grooving surface 2 of the grooving device 4 is extended in parallel with the side surface equalizing plate 23 for leveling the left and right side surfaces of the seeding groove A. It was installed in. Immediately after forming the seeding groove A, the collapse of the groove is reduced. The gap between the side surface equalizing plates 23 may have an open bottom 24 so that the seed pipe 10 can be seen. 5 to 7,
The difference from the above example is that the grooving device 4 is in a roll form and is rotationally driven by interlocking with the PTO shaft 25 of the tractor.
The seeding frame 26 connected to the rear end of the connecting arm 6 is provided with a transmission case 27 having a chain mechanism that is transmitted from the PTO shaft 25 facing downward, and at the lower end of the transmission case 27, the grooving device 4 is provided. Is mounted and rotated around the roll shaft 28. Reference numeral 32 is a boss attached to the roll shaft 28. The grooving device 4 is V along the central part of the roll width of the roll 29.
A ridge 30 for forming a character-shaped groove is formed. Sowing pipe 10
Is seen above the seeding groove formed by the protrusion 30. Reference numeral 31 is a resistance rod provided on the rear side of the seeding frame 26. 34 is a groove cover.

It should be noted that the rolls 29 may be configured so as to be separable from each other in the axial direction, and the discs 33 having the protrusions 30 may be sandwiched between the left and right rolls 29 to be integrally formed. 8 to 10 are different from the above example in that
The grooving device 4 is constructed by combining a flat plate 35 for smoothing the soil surface and a grooving disk 36 for grooving. The flat plate 35 is a sled plate, and has a rotating opening 37 of a grooving disk 36 formed at the rear portion thereof. Brackets 38 are erected on both left and right sides of this opening 37 to raise the disk shaft 28 of the grooving disk 36.
To support. Further, the front end of the flat plate 35 has a rod 39
And the frame 26 is supported via the buffer spring 40. The grooving disk 36 is driven and rotated via the transmission mechanism in the transmission case 27 to form a V-shaped seeding groove A on the soil surface leveled by the leveling plate 35.

[Brief description of drawings]

FIG. 1 is a perspective view of a grooving section, and a side view and a rear view of a part thereof.

FIG. 2 is an overall side view and a rear view showing a part of the operation thereof.

FIG. 3 is a side view of a grooving device mounting portion and a perspective view and a plan view of a part thereof.

FIG. 4 is a perspective view of a groove making device showing another embodiment, and a side view and a plan view of a part thereof.

FIG. 5 is a side view showing another embodiment.

FIG. 6 is a perspective view of a part thereof.

FIG. 7 is a front view of a groove making unit and a front view showing another embodiment thereof.

FIG. 8 is a perspective view showing another embodiment.

FIG. 9 is a side view of the grooving section.

FIG. 10 is a perspective view and a rear view thereof.

[Explanation of symbols]

 1 Flat surface 2 Grooved surface 3 Sloped flat surface

Claims (1)

[Claims] 1. A sled plate-shaped flat surface 1 is provided with a grooved surface 2 having a V-shaped cross section and gradually deepening over the rear end on the rear bottom surface thereof. A grooving device for a seeding machine, which is formed by forming an inclined flat surface 3 that is rearward and upward to the left and right with respect to the flat surface 1.