JPH11103616A - Partially tilling and sowing apparatus - Google Patents

Abstract

PROBLEM TO BE SOLVED: To prevent the power loss in the drawing of grasses and straws into the apparatus according to the rotation of a tilling claw by preventing the hanging of the grasses, etc., on the lower end of a protection cover. SOLUTION: This partially tilling and sowing apparatus is provided with a rotary apparatus for forming a narrow tilled groove 56 by a tilling claw 38 and a sowing apparatus for forming a sowing groove in the tilled groove 56 by a groove-cutting blade behind the rotary apparatus 14 and sowing in the sowing groove. The tilling claw 38 is covered its top and both side faces with a protection cover and a round rod member 52 is formed on the lower end of a hole opened on the protection cover at the side of the field. The clogging of the grasses and straws pulled by the tilling claw 38 according to the rotation of the tilling claw 38 between the tilling claw 38 and the protection cover is prevented by the round rod member 52.

Description

DETAILED DESCRIPTION OF THE INVENTION

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a partial tillage sowing apparatus, and more particularly, to a sowing groove having a width required for a field scene.
The present invention relates to a partial tillage sowing apparatus for sowing in the sowing groove.

[0002]

2. Description of the Related Art Conventionally, for example, in rice planting,
It is common practice to first cultivate the entire field, fill the entire surface of the field with water, and then transplant the seedlings that have been raised in the nursery allowance in rows. As part of the above, a partial tillage sowing device equipped with a rotary tillage device and a sowing device is mounted on the rear of the tractor, and the rotary tillage device plows a field by a required width to form a tillage groove, and at the same time, the tillage is performed. Fertilizer is applied to the bottom of the raising groove, and immediately thereafter, a seeding groove is formed in the cultivation groove by the seeding device, the seed rice is dropped directly on the seeding groove, sowed, and further covered with soil. No-tillage direct sowing work with paddy fields is spreading.

[0003]

However, the tilling claw of the rotary tilling device is adapted to rotate in a direction opposite to the rotation direction of the tractor, which is a towing vehicle. Since the field cover side is open and the lower end is steep at the corner, grass and straw drawn into the tilling claw during work are caught on the corner, and this grass and straw There were problems such as accumulation in front of the protective cover and between the lower end of the protective cover and the ground, resulting in power loss and the tillage depth becoming shallower than a set value.

The present invention has been made to solve such a problem, and an object of the present invention is to prevent grass and straw drawn into the tilling claw from being caught on the lower end of the protective cover as the tilling claw rotates. Another object of the present invention is to provide a partial tillage sowing apparatus capable of stabilizing the tillage depth while preventing power loss.

[0005]

SUMMARY OF THE INVENTION In order to achieve the above object, the present invention provides a rotary device (14) which is mounted on the rear of a body and forms a narrow tillage groove (56) by a rotating tillage claw (38). ), A seeding groove (60) is formed in the groove width of the plowing groove (56) by a groove cutting blade (26), and is mounted on the rear of the rotary device (14). In the partial tillage sowing apparatus (10) including the sowing apparatus (16) for sowing, the tillage claw (38) is covered on both left and right sides and the top face with the protection cover (44). A) a curved surface portion (50) is formed at the lower end on the opening side that opens to the field scene side.

Further, according to the present invention, the curved surface portion (50) includes:
A curl (62) is formed at the lower end of the protective cover (44) on the opening side that opens to the field scene side.

Further, according to the present invention, the curved surface portion (50) includes:
The protection cover (44) is a round bar member (52) integrally fixed to a lower end of the opening side that opens to the field scene side.

(Operation) According to the present invention, the rotating tillage claw (38) is used to reduce the width of the tillage groove (5).
6) is formed, and further behind, a sowing groove (60) is formed within the groove width of the plowing groove (56) by the groove cutting blade (26), and the seed (58) is set in the sowing groove (60). ) Is supplied.

The tilling claw (38) has left and right side surfaces and a top surface covered with a protective cover (44). A curved surface is formed on the lower end of the protective cover (44) on the opening side that opens to the field scene side. A portion (50) is formed, and the grass and straw drawn into the tilling claw (38) with the rotation of the tilling claw (38) by the curved surface portion (50) allow the cultivating claw (38) and the protective cover (44) to rotate. ) And is discharged backward after one rotation smoothly without clogging.

The reference numerals in parentheses above are for comparison with the drawings, but do not limit the configuration of the present invention.

[0011]

Embodiments of the present invention will be described below with reference to the drawings.

1 and 2 are an overall side view and a plan view of a partial tillage sowing apparatus according to the present invention. In these figures, a partial tillage sowing apparatus 10 is provided with a rotary apparatus 14 mounted on a rear part of a tractor (not shown) via a hitch part 12 so as to be able to move up and down, and further with a rotary apparatus 14 which can be moved up and down through a toolbar 15 behind. And a sowing device 16 attached to the device.

The rotary device 14 has two fertilizer tanks 18 installed on the upper side, a fertilizer application pipe 20 for supplying the fertilizer in the tank 18 to a field scene, and a tail wheel 22 for adjusting tillage depth. doing. The seeding device 16 includes a seed tank 24 for storing seeds, a seed pipe 25 for supplying seeds in the tank 24 to a seeding unit, a groove cutting blade 26 for seeding groove formation, and a seeding groove. Earth covering plate 2
8. It has a pressure-reducing roller 30 for pressing the upper part of the seeding groove and a ground contact wheel 32.

The power from the tractor body is transmitted by a chain in a chain case 34 to a claw shaft 36 common to each row, and a plurality of (six in the figure) plows are provided on the claw shaft 36 in the same rotation plane. Claws 38 are attached at substantially equal intervals.

The tilling claw 38 has bent portions 38a, 38a, each of which has a tip portion bent alternately left or right with respect to the rotation surface.
38b (see FIGS. 3 (a) and 3 (b)).
By the rotation of 8, a narrow plowing groove 56 is formed. On the rear side of the claw shaft 36, the fertilizer application pipe 20 is disposed close to the tilling claw 38, and the fertilizer in the fertilizer tank 18 is dropped from the outlet of the fertilization pipe 20 to the bottom of the cultivation groove 56. Supplied.

Behind the rotary device 14, a ground contact wheel 3 driven in reverse to the tractor wheel by the advancement of the tractor.
2 is provided at the front of the contact wheel 32.
6 is provided so as to be able to roll. This groove cutting blade 26
The seeding groove 60 is formed in the groove width of the cultivating groove 56 formed by the cultivating claw 38, and is attached to the rear of the cultivating claw 38 so as to substantially coincide with the traveling direction.

The seed supply unit 4 of the seed tank 24
A belt 40 is wound between the grounding wheel 2 and the grounding wheel 32. The seed supply unit 42 of the seed tank 24 is driven through the belt 40 to adjust the discharge amount of the seed 58, and the seed pipe 25 , Seeds 58 are dropped and supplied to a seeding groove 60 previously formed by the groove cutting blade 26 in the plowing groove 56.

The soil is lightly covered on the sown seeds 58 by the earth covering plate 28 provided behind the groove cutting blade 26, and further covered by the pressure-reducing roller 30 provided at the rear end. Lightly compact the soil,
The work centering on the sowing work is completed. At a later date, water is applied to the rice field to make it into a paddy field.

Here, in the present embodiment, the tilling claw 38 is covered with a protective cover on both left and right side surfaces and a top surface, and a curved surface portion is formed at a lower end portion of the protective cover on the opening side that opens to the field scene side. It is formed.

As shown in FIGS. 3A and 3B, the pawl shaft 36
The outer circumferential portion of the tillage claw 38 attached to the chopper is covered with a protective cover 44. This protective cover 44
It has a side plate 46 that covers the left and right side surfaces of the tilling claw 38 and an arc-shaped top plate 48 that covers the top surface, and the field scene side is open.

A curved surface portion 50 is provided at the lower end on the opening side.
The round bar member 52 is integrally welded and fixed to the lower end of the protective cover 44 on the opening side as the curved surface portion 50. That is, the round bar member 52 is disposed along the periphery except for the rear side of the lower end on the opening side of the protective cover 44, and the rear side is bent upward at the end.

For this reason, the grass and the straw drawn into the tilling claw 38 with the rotation of the tilling claw 38 do not clog between the tilling claw 38 and the protective cover 44, and smoothly rotate once together with the tilling claw 38. Is discharged backward.

The tilling claw 38 always rotates in the reverse direction (clockwise) unlike a general rotary device, and the side plate 46 and the top plate 48 are arranged close to the tilling claw 38. Plow the soil in the field so that it jumps upward from below. The soil that has been flipped up and crushed by the tilling claw 38 is guided by the inner surfaces of the side plate 46 and the top plate 48, and falls on the fertilizer 54 applied at the bottom to form a plowing groove 56. The cultivation groove 56 is provided on the top plate 48.
Leveled by the leveler 48a at the rear end.

FIGS. 4 (a) to 4 (c) show another embodiment of the curved portion 50. FIG. 4 (a) shows that the lower end of the opening of the protective cover 44 is curled outward. FIG. 4B shows a state where a metal fitting 64 having a curved surface portion is attached to the lower end of the protective cover 44 on the opening side, and FIG. The pipe member 66 is integrally welded and fixed to the lower end of the tilling claw 38 on the opening side.

A hole 46a is formed in the side plate 46 of the protective cover 44 near the inside of the turning radius of the tilling claw 38, and the fertilizing pipe 20 is penetrated and held in the hole 46a. Thus, the fertilizer 54 in the upper fertilizer tank 18 can be supplied to the bottom of the plowing groove 56 by the fertilizing pipe 20. For this reason, even if the tilling claw 38 is rotating, the bent portion 38
a, 38b without interference with the fertilizer pipe 2
0 can reach just above the tilling groove 56 and fertilizer 5
The fertilizer application work can be performed efficiently without the 4 being dissipated outside the cultivation groove 56.

Next, the operation of the present embodiment will be described.

The plurality of tilling claws 38 attached to the claw shaft 36 rotate to form a narrow cultivating groove 56, and the fertilizer 54 is supplied to the bottom of the cultivating groove 56 at the same time. Due to the rotation of the tilling claw 38, grass and straw in the field scene are protected by the protective cover 4.
4, the grass and straw are fixed to the lower end of the protective cover 44 by integrally fixing the round bar member 52 to the lower end of the protective cover 44 on the opening side that opens to the field scene side. The water flows smoothly without being caught by the squirt, and is rotated once with the tilling claw 38 and discharged backward. The discharged grass and straw are buried in the soil, rot and become fertilizer.

In addition, the groove cutting blade 26 rolls behind the cultivating claw 38 so that the seeding groove 6 is within the groove width of the cultivating groove 56.
0 is formed, and the seed 58 is dropped into the seeding groove 60 by the seed pipe 25 and supplied.

[0029]

According to the present invention, the curved surface portion is formed at the lower end of the opening of the protective cover on the field scene side, so that grass and straw drawn into the tilling claw with rotation of the tilling claw are formed. Is smoothly rotated once and discharged backward without being clogged between the tillage claw and the protective cover. For this reason, it is possible to prevent adverse effects such as power loss or shallower cultivation depth due to grass or straw clogged between the tilling claw and the protective cover.

[Brief description of the drawings]

FIG. 1 is an overall side view of a partial tillage sowing apparatus according to the present invention.

FIG. 2 is an overall plan view of the partial tillage sowing apparatus.

FIG. 3A is a rear view of a tilling part in the rotary device, and FIG. 3B is a side view thereof.

4A is a diagram illustrating an embodiment in which a curl portion is formed at a lower end portion of a protective cover, and FIG. 4B is a diagram illustrating an embodiment in which a metal fitting having a curved surface portion is attached to the lower end portion of the protective cover; (C) is a figure which shows the embodiment which fixed the pipe member to the lower end part of the protective cover.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 10 Partial tillage seeding apparatus 14 Rotary apparatus 16 Seeding apparatus 26 Groove cutting blade 36 Claw shaft 38 Tilling claw 44 Protective cover 46 Side plate 48 Top plate 50 Curved surface part 52 Bar-shaped member 56 Tilling groove 60 Seeding groove

Claims (3)

[Claims] 1. A rotary device which is mounted on a rear portion of a fuselage and forms a narrow plowing groove by a rotating tillage claw; And a sowing apparatus for forming a sowing groove in the sowing groove and sowing in the sowing groove, wherein the left and right side surfaces and the top surface of the tillage claw are covered by a protective cover, and a field scene of the protective cover is provided. A partial tillage sowing apparatus, wherein a curved surface portion is formed at a lower end portion on the opening side that opens to the side. 2. The partial tillage sowing apparatus according to claim 1, wherein the curved surface portion is a curl portion formed at a lower end portion of the protective cover on an opening side that opens to a field scene side. 3. The partial tillage according to claim 1, wherein the curved surface portion is a round bar member integrally fixed to a lower end portion on an opening side of the protective cover that opens on a field scene side. Seeding equipment.