JPH0427284Y2 - - Google Patents

Description

[Detailed Description of the Invention] Industrial Application Field The present invention relates to a row-cropping device that is attached to a rotary tiller to form planting grooves and planting holes simultaneously with tilling.

PRIOR TECHNIQUES AND PROBLEMS Various crops are known to be cultivated by transplanting crop seedlings that have been grown for a predetermined period of time into planting holes formed in tilled soil. For example, in the case of onions, etc. With the exception of some cold regions, most varieties are sown in the fall, and in the fall sowing, they are generally sown around September, planted around November, and harvested around May or June of the following year. In the conventional method, seedlings are planted at a rate of 10 to 12 cm between plants and 20 to 25 cm between rows, and approximately 20,000 seedlings per 10 ares.
There are many places where the trees are planted.

Conventionally, in many cases, the planting rows for planting are created by inputting information after the tillage ridges are established using a rotary tillage device, etc. For example, planting grooves, planting holes, etc. are created on the top of the ridge while pulling a furrow cutting tool. A method of molding is known.

However, with this conventional input method, not only is the work efficiency extremely low, but after the ridge has been erected, the user must walk along the bottom of the ridge, being careful not to collapse the ridge. Since the method involves making grooves (holes) on the top of the ridge while pulling the agricultural tool so that it sticks out to the side, it is difficult to work as it forces an unreasonable working posture, and the worker is highly fatigued. It was hot.

Means to Solve the Problem Therefore, the present invention has two or more protrusions at a predetermined interval in the width direction of the back side, and has a shoulder leveling plate with a ridge on the inward side, which can be adjusted inward and backward. Freely connected levelers are located on both the left and right sides of the ridge erecting device, and installed at the rear of the rotary tillage device via mounting brackets so that they can be attached and detached freely and reversible in the vertical direction, and at the rear of the leveler there are protrusions at equal pitches on the outer periphery. The above-mentioned problem is solved by providing a planting hole forming ring which is formed by rotatably supporting a ring around each of the convex parts and is movable up and down within a predetermined range and is integrated with the leveler. This is an attempt to resolve the issue.

Function: If the row-cropping device according to the present invention is connected to the rear of the rotary tilling device attached to an agricultural tractor and tilling work is started, the top surface of the ridge can be made more even by the leveler at the same time as the rotary tilling device performs tilling and ridge-building work. At the same time, a plurality of grooves are formed at regular intervals on the upper surface of the ridge by the convex portion provided on the back surface of the leveler. Then, planting holes for crop seedlings such as onion seedlings are formed at predetermined pitches at the bottom of this groove by a subsequent planting hole forming wheel.

Embodiment The configuration of the present invention will be explained with reference to an embodiment shown in the drawings. 1 is a tool bar of a rotary tiller B mounted on an agricultural tractor A. Reference numeral 2 denotes a mounting bracket that is detachably attached to the tool bar 1 via bolts 2a, and brackets 4 to which square pipes 3 (hexagonal pipes in the illustrated example) are fixed are fitted on the left and right sides of the shaft portion 2b of the mounting bracket 2. is inserted, and bracket 4
A pin holder 5a is attached to one side, and the stopper pin 5 attached to the pin holder 5a is inserted into one of the plurality of engagement holes 7 provided in the longitudinal direction of the shaft portion 2b via a spring 6. The bullet is inserted into the.

Each of the engagement holes 7 is provided so as to pass through the shaft portion 2b in a state perpendicular to the longitudinal direction of the shaft portion 2b. 8 is a push bolt.

Reference numeral 9 denotes a support that is fitted into and locked to the square pipe 3 via a support pin 10. The upper side of the support 9 is fitted into the square column part 9a that is slidably fitted into the square pipe 3, and the lower part of the support 9 The side is the plate-shaped part 9b
A sled-shaped leveler 11 is pivotally supported by a pin 12 at the lower end of the plate-shaped portion 9b. 11a is an L-shaped seat fixed to the upper surface of the leveler 11. Two or more protrusions 13 are integrally provided on the lower surface of the leveler 11 at predetermined intervals in the width direction. The one shown in the figure has three elongated protrusions in the front-rear direction and each is fixed with a mounting bolt 14. On the other hand, a shoulder leveling plate 15 is connected to the inner side of the leveler 11 via bolts 16 and elongated holes 17 so as to be adjustable inwardly and retractably. By adjusting the forward and backward movement of the shoulder leveling plate 15, the gap w between the side wall of the ridge erector 18 supported at the middle part of the tool bar 1 in the width direction can be reduced as much as possible, thereby preventing swelling of the ridge shoulder due to soil spillage. This makes it possible to form well-ordered ridges with a flat upper surface.

In addition, a plurality of pin holes (not shown) for support pins 10 are provided in the prismatic portion 9a of the support 9, and the leveler 11 can be adjusted by changing the pin holes as appropriate.
The height can be adjusted freely. 1
9 is a spring stretched between the catch seat 13 and the support 9. Reference numeral 20 denotes an arm that is pivotally connected to the support 9 so as to be able to move up and down. A bearing pipe 21 is fixed to the free end side of the arm 20, and projections 22a are formed on the outer circumference of the bearing pipe 21 at equal pitches. The shaft portion 22b of the circumferential ring body 22 is loosely fitted.
The wheel body 22 is provided corresponding to each convex portion 13 provided on the back surface of the leveler 11, and is positioned on a virtual extension line of each convex portion 13.
A planting hole forming ring 23 is connected to the plant 1 so as to be vertically movable. Reference numeral 24 denotes a stopper for regulating the upper limit of rotation of the planting hole forming wheel 23 which is protruded from the support 9, and these constitute a rowing device D for transplanted seedlings. This stripping device D is detachably connected to the mounting bracket 2 via a stopper pin 2c. Although not shown, the above-mentioned stopper 2
The upper limit of rotation may be regulated by a chain instead of 4.

The leveler 11 and the planting hole forming wheels 23 are arranged symmetrically, with one set on each side on either side of the ridge erector 18.

In the above configuration, for example, when forming grooves and holes for transplanting onion seedlings c, etc., the row cutting device D according to the present invention is ridged with respect to the tool bar 1 of the rotary tillage device B attached to the agricultural tractor A. Vessel 1
When the rotary tiller B is installed on both the left and right sides of the plow 8 via the mounting brackets 2 and the tilling operation is started, the rotary tiller B tills the tillage and the ridge a is formed using the ridge erector 18. The upper surface of the ridge a is leveled by the leveler 11, and at the same time each convex portion 13 provided on the back surface of the leveler 11 is leveled.
A plurality of grooves are formed at regular intervals on the upper surface of the furrow a, and at the bottom of the groove b, grooves are formed on the outer periphery of the wheel body 22 by the rotation of the subsequent planting hole forming wheel 23. Planting holes d for onion seedlings c are continuously formed at a predetermined pitch by the projections 22a. In this way,
Tillage by rotary tillage device, ridge formation and ridge a at the same time.
Grooves b and planting holes d for transplanting onion seedlings c are automatically formed on the upper surface in one step.

By the way, as in the present embodiment, there are three convex portions 13 and three ring bodies 2 on both the left and right sides of the ridge erector 18.
2, grooves b are formed on the upper surface of ridge a in the outward stroke as shown in Fig. 4.
Three rows of grooves are created on each side (E and F), but on the return trip when the machine travels in the opposite direction, the tractor A is moved forward using the outermost groove as an index, so that two rows of E and F are created on the outbound trip. In addition to wrapping into the two rows of H and H on the return trip, a new groove of D is added, so there are 4 grooves on the upper surface of the ridge a from the second row onwards.
Row grooves b and planting holes d are formed. In addition, the grooves etc. formed during the outward journey are removed by rotary tilling device B.
However, even if the groove is damaged, the leveler 15 and the planting hole forming wheel 2 will be damaged during the return trip.
Groove b and planting hole d to receive shaping action again in step 3.
is completed accurately.

In addition, in the present invention, the convex portion 13 for the structural type is the bolt 1.
4, it is removable, so this convex part 1
3 can be easily replaced with one of an appropriate shape corresponding to the type of crop.

In addition, when the strip cutting device D of the present invention is not in operation, by loosening the push bolt 8 and pulling the stopper pin 5, the strip cutting device D can be easily set by inverting it upward around the shaft portion 2b of the mounting bracket 2. Therefore, it can be held in an inverted position as shown in FIG. Therefore, the stripping device D does not get in the way when driving on the road.

The row-cropping device D according to the present invention can be widely used not only for transplanting onion seedlings but also as a row-cropping device for radish and other transplanted crops.

Effects of the invention As described above, the present invention has two or more protrusions at a predetermined interval in the width direction of the back surface, and the shoulder leveling plate of the ridge on the inward side can be adjusted inwardly and backwards. A leveler connected to the ridge erector is located on both the right and left sides of the ridge erecting device, and is provided at the rear of the rotary tillage device via a mounting bracket so that it can be attached and detached freely and reversible in the vertical direction, and at the rear of the leveler, projections are provided at equal pitches on the outer periphery. The planting hole forming ring, which is formed by rotatably supporting a surrounding ring in correspondence with each of the convex portions, is provided so as to be movable up and down within a predetermined range and integrally with the leveler. By connecting the invented row cropping device to the rear of a rotary tilling device attached to an agricultural tractor and performing tilling work, the surface of the furrow after tilling can be further leveled by the convex portion provided on the back side of the leveler. At the same time, multiple rows of grooves are formed at regular intervals on the top surface of the ridge, and at the bottom of the grooves, planting holes for seedlings can be continuously formed at a predetermined pitch using a subsequent planting hole forming wheel. .
In this way, tillage by a rotary tiller,
At the same time as ridge formation, grooves and planting holes for transplanting seedlings are automatically formed on the ridge top surface in one step, resulting in significant labor savings and work efficiency compared to conventional input type systems. It becomes possible to dramatically improve the In addition, by adjusting the forward and backward movement of the shoulder leveling board, the gap between the leveler and the side wall of the ridge erector can be minimized, which prevents the ridge shoulders from rising due to spilled soil and forms well-ordered ridges with an even top surface. At the same time, there is no need to modify the existing rear cover etc. of the rotary tillage device and attach a separate cropping tool, and unlike conventional rotary tillage devices, the planting hole forming ring with a leveler that has a convex part for forming grooves can be used as is. It is extremely convenient because it can be attached and detached for use, and it is possible to switch to a different rotary work mode very easily and quickly, further increasing work efficiency. Furthermore, when not working, the stripping device can be held in an upwardly inverted position, so it does not interfere with driving on the road, etc. In addition, the structure is simple and can be provided at low cost, which has extremely useful practical effects. .

[Brief explanation of drawings]

The drawings show an embodiment of the row-cultivating device according to the present invention, in which Fig. 1 is a perspective view of the present invention installed on the tool bar of a rotary tiller, and Fig. 2 shows the present invention in an inverted state. Fig. 3 is a perspective view of the state held in the non-working position; Fig. 3 is an overall side view of the working state;
5 is a sectional view of the ridge after forming the planting groove and the planting hole, and FIG. 6 is a plan view showing the relationship between the ridge erector and the shoulder leveling board. In the figure, 1 is a tool bar, 2 is a mounting bracket, 3 is a square pipe, 4 is a bracket, 5 is a stopper pin, 6
1 is a spring, 7 is an engagement hole, 8 is a push bolt, 9 is a support, 11 is a leveler, 13 is a convex portion, 15 is a shoulder leveling plate, 18 is a ridge erector, 20 is an arm, 22 is a wheel, 22a is a protrusion, 23 is a planting hole molding ring, 24
is a stopper, A is an agricultural tractor, B is a rotary tiller, D is a rowing device, a is a ridge, b is a groove, c is an onion seedling, and d is a planting hole.

Claims (1)

[Scope of utility model registration request] A leveler that has two or more convex portions at a predetermined interval in the width direction of the back side and is connected to the left and right sides of the ridge erecting device with the shoulder leveling plate of the ridge facing inward so as to be adjustable in advance and retreat. Located on both sides, the rotary tiller is provided at the rear of the rotary tilling device in a removable manner and reversible in the vertical direction via a mounting bracket, and at the rear of the leveler, a wheel having protrusions arranged at equal pitches on the outer periphery is attached to each of the convex portions. 1. A cutting device characterized in that planting hole forming wheels each rotatably supported by a shaft corresponding to the above are provided so as to be movable up and down within a predetermined range and integrally with a leveler.