JP2588995Y2 - Seed potato planter incorporated in rotary tiller - Google Patents

Description

[Detailed description of the invention]

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a seed potting machine that is integrated into a rotary tilling device mounted at the rear of a tractor, and more specifically, a posture in which a bud portion of a seed potato such as taro is always upward. The present invention relates to a seed potato planting machine that can be planted in a potato.

[0002]

2. Description of the Related Art As described above, in order to plant a seed potato in a fixed posture in which a portion of a bud such as a taro is always upward, a large number of holders for holding the seed potato in a releasable manner are provided at regular intervals on a transport chain. Planted, this endless transport chain is mounted on a plurality of sprockets, and a horizontal traveling portion is provided at a lower end portion thereof, which travels in a direction opposite to the traveling direction of the aircraft,
By offsetting the speed of the machine body and the speed of the transport chain in this horizontal portion, the absolute speed of the transport chain in the horizontal traveling portion is reduced to almost zero, and the seed potato held by the holder is opened and planted. Dedicated seed potato planters are known.

[0003] However, this kind of seed potato planter is only used for planting seed potatoes by pulling it with a towing vehicle such as a tractor, and the work of covering the soil and forming ridges after planting the seed potatoes is performed separately. It is necessary to take a lot of time to cover the soil and form the ridges after planting the seed potatoes. In addition to the poor work efficiency as a whole, the planting position of the seed potatoes and the ridge It is difficult to match the position. In addition, when the number of teeth of a specific sprocket constituting the sprocket mechanism for driving the transport chain is changed in order to change the seeding pitch of the seed potato, the traveling speed of the horizontal traveling portion of the transport chain with respect to the traveling speed of the body is changed Ratio may change, and the falling posture of the seed potato may change. In addition to these, in the lower end part for dropping and planting seed potatoes,
Since the horizontal traveling portion having a predetermined length is provided, the length of the seed potato planting machine becomes long, and there is a disadvantage that the size is increased.

[0004]

[Problem to be solved by the invention] The problem of the present invention is that the seed potato planting machine for planting the seed potato in a specific posture such that the buds are turned up is integrated into the rotary tillage device, so that the seed pot planting is performed. The aim is to reduce the size and weight of the machine and to improve the efficiency of the entire operation including planting of the seed potatoes, by allowing soil covering and ridge formation to be performed immediately after planting of the seed potatoes.

[0005]

Means for Solving the Problems The present invention for solving the above problems is mainly mounted on the back of a tractor,
A seed potting machine integrated with a rotary tiller having a tillage shaft that performs a horizontal axis rotation, which is a central portion in the width direction of the rotary tiller and a portion extending from its rear end to the rear. The front sprocket and the rear sprocket are disposed above the rotary cover at a predetermined interval in the front-rear direction, and the lower sprocket is disposed below the rotary cover in this portion. A transport chain in which a number of holders having a structure in which a pair of holder pieces are urged in a closing direction by a spring action is mounted between the three sprockets, and the front sprocket and the rear Open the pair of holder pieces of the holder implanted in the conveyor chain that travels straight through this part in the seed potion input section between the sprocket and A first opening / closing guide for maintaining the open position is provided, and a pair of holder pieces of a holder implanted in a transport chain rotating around the lower sprocket is opened at a portion of the lower sprocket for at least a predetermined section. A second opening / closing guide for maintaining the open position is provided, and the seed belt is driven and driven between the front sprocket and the rear sprocket such that the conveyance belt runs in the same direction as the machine body. The seed potatoes held by the holder in the input section are transported to the lowermost lower sprocket portion at the lowermost end, and fixed by the soil that has collapsed from both sides at the bottom of the groove, and then a pair of holder pieces are sharply cut at the lowermost end portion of the lower sprocket. In the open position, the open position is maintained in a predetermined section, and the seed potatoes held by the holder are released and planted at the bottom of the groove. It is characterized by being configured to so that.

[0006]

In the seed potion insertion portion between the front sprocket and the rear sprocket, a pair of holder pieces of the holder implanted in the transport chain traveling on this portion are moved by a first opening / closing guide in a predetermined section. It becomes an open posture. While the pair of holder pieces are in the open position, the seed potato is inserted with the buds down between the pair of holder pieces, and when the holder passes through the first opening / closing guide, the spring action causes The pair of holder pieces are closed, and the seed potato is gripped by this. When the seed is transported by the transport chain to the lower sprocket, which is the lower end, the transport chain rotates in this portion and while the seed reaches the lowermost end, the seed is held by the pair of holder pieces. As it is, it touches the bottom of the groove immediately after molding, and is fixed in a posture in which the buds are turned up by the soil that collapses from both sides. Immediately thereafter, the pair of holder pieces holding the seed potato fixed by the action of the second opening / closing guide is rapidly opened to release the held potato, and this posture is maintained for a predetermined section, and the seed potato is maintained. Is planted at the bottom of the groove with the buds facing upward at the lowermost end of the transport chain. In the present invention, since the seed potato planter is integrated into the rotary tillage device, the seed potato immediately after planting is covered with soil from both sides by the tillage device to form a ridge.

[0007]

DESCRIPTION OF THE PREFERRED EMBODIMENTS The present invention will be described below in more detail with reference to embodiments. FIG. 1 is a side view of the seed potato planter A according to the present invention in a state of being incorporated in a rotary tiller R, and FIG.
FIG. 3 is a plan view of the same, FIG. 3 is a mechanism diagram of the seed potato transplanter A, FIG. 4 is a perspective view of a portion of the seed potion input section 26, and FIG. FIG. 6 is an exploded perspective view of the lower sprocket 15 and the grooved plate 17, and FIG. 7 is a perspective view of a lower end of a frame 16 to which the lower sprocket 15 is attached. 1 and 2, a three-point hitch link L including a top link 1 and a pair of lower links 2 is attached to the rear of the tractor T.
Is installed. The rotary tilling device R is a connector 3
Is attached to the mast 10 via a. The rotary tillage device R includes a tillage shaft 4 that rotates in a horizontal axis, and a tillage blade 5 is attached to the tillage shaft 4. The tilling blade 5 is used to ridge the soil while tilling the soil from both sides toward the center. A gear case 6 is attached to the front part of the rotary tilling device R in the center in the width direction thereof. The tilling shaft 4 is transmitted to a mechanism (not shown), whereby the tilling shaft 4 is rotated.

The front sprocket 9 and the rear sprocket 11 are spaced apart from the rotary cover 12 at a predetermined interval in the front-rear direction at a central portion in the width direction of the rotary tilling device R and from the rear end to the rear. It is disposed above and is rotatably mounted on each of the frames 13 and 14 provided in the portion. As shown in FIGS. 1, 5 and 6, the lower sprocket 15 is provided with a rotary cover 12 on the above-described portion based on the rotary tilling device R.
And rotatably mounted on a frame 16 provided in the portion. The tilling blade 5 is not provided in a portion of the tilling shaft 4 where the gear case 6 is provided, and a grooved plate 17 is provided in this portion, and the grooved plate 17 is attached to the lower sprocket 15. Is mounted on the frame 16 on which the lower sprocket 15 is adjustable.
Enters the inside of the grooved plate 17.

As shown in FIGS. 4 and 8, the holder H is provided with a pair of holder pieces 1 at both ends of the substrate 18 in the width direction.
9 is hinged so that it can be opened and closed, and each holder piece 19 has a structure in which a bar member 19b formed by bending a thin metal bar is fixed to the front and rear ends of an opening and closing plate 19a. Each holder piece 19 is urged in the closing direction by the restoring force of the coil spring 21, and each holder piece 19 has
An engagement lever 22 for engaging the first and second opening / closing guides 27 and 29, which will be described later, and setting itself in an open position is provided below the substrate 18.

As shown in FIGS. 3 and 4, a large number of holders H are implanted at constant intervals in an endless transport chain 23, and the three sprockets 9,
It is hung between 11 and 15. As shown in FIG. 3, the rotation of the grounding wheel 24 is transmitted to the front sprocket 9 via a sprocket mechanism 25 composed of a number of sprockets and chains, and between the front and rear sprockets 9 and 11. The transport chain 23 is driven and traveled so that the transport chain 23 travels in the same direction as the body.

As shown in FIG. 2 and FIG. 4, a holder H inserted in the transport chain 23 which travels linearly in the portion is provided in a seed potion input portion 26 between the front and rear sprockets 9 and 11. A first linear opening / closing guide 27 is provided for engaging with the engaging lever 22 to open the pair of holder pieces 19 and maintain this open attitude for a predetermined section. Each holder piece 19 has an engaging lever 2
2 corresponding to the provision of the first opening / closing guide 2
7 are provided in parallel with each other. The first opening / closing guide 27 is open outward at the entrance thereof, and is in a closed position at this portion to be in close contact with each holder piece 19.
And maintain this open position in other parts. Also, as shown in FIGS. 5 and 6,
The rotation shaft 28 of the lower sprocket 15 is
6 is supported at the lower end of the frame 16 and is provided in a portion of the frame 16 directly below the rotary shaft 28 in the direction of rotation of the rotary shaft 28 in a transport chain 23 that rotates and runs through the portion. A second opening / closing guide 29 for engaging the engagement lever 22 of the holder H to open the pair of holder pieces 19 and maintain this open attitude for a predetermined section is mounted. The second opening / closing guide 29 of the present embodiment is formed of an arc-shaped block-shaped member, and a portion serving as an engagement start end is steeply inclined along the thickness direction. The engagement lever 22 of the holder H is engaged, and a pair of holder pieces 19 holding the seed potato 31 described later are rapidly opened.

As shown in FIGS. 1 and 2, a work chair 30 is attached to a rear portion of the seed potter A at a predetermined interval from the rear sprocket 11. On both sides of the seed potting machine A, seed boxes 32 for accommodating the seed potatoes 31 are arranged. Further, a ridge forming plate 33 and a multi-tasking machine B are mounted on the rear part of the rotary tilling device R. The multi-tasking machine B includes a sheet roll 34 and a sheet receiving roll 3
5, a pair of compression wheels 36, and a pair of earth covering plates 37.

When the tractor T travels in the direction indicated by the arrow P, the rotation of the ground contact wheel 24 is transmitted to the front sprocket 9 via the sprocket mechanism 25, and the vehicle travels straight between the front and rear sprockets 9 and 11. So that the transport chain 23 travels in the same direction as
Traveling between the two sprockets 9, 11, and 15. The operator M sitting in the work chair 30 rides in the rear part of the rotary tilling device R and removes the seed potato 31 taken out of the seed box 32 into a pair of holder pieces 1 of the holder H.
9 to be gripped.

When the holder H rotates at the rear sprocket 11 and enters the seed potion insertion portion 26, each of the engagement levers 22 of each holder piece 19 located below the substrate 18 is rotated.
Are respectively engaged with the first opening / closing guide 27, and the pair of holder pieces 19 which are in close contact with each other by the action of the coil spring 21.
Becomes an open posture (see FIG. 8), and this open posture is maintained in a predetermined section. The worker M inserts the seed potato 31 with the buds 31a down between the pair of holder pieces 19 in the open position, and the holder H
7, the engagement between the first opening / closing guide 27 and the engagement lever 22 of the holder piece 19 is released, and the seed potato 31 in a posture in which the bud 31a is lowered by the action of the coil spring 21 is a pair. (See FIG. 9). The seeds 31 are transported by the transport chain 23 to the lower sprocket 15 while being held by the pair of holder pieces 19.

When the seed potato 31 held by the pair of holder pieces 19 reaches the lower sprocket 15, the seed potato 31 held by the pair of holder pieces 19 starts rotating and running, and the seed potato 31 becomes a groove. At the same time as it enters the bottom of the groove 38 opened by the opening plate 17 and grounds,
The soil that has fallen from both sides is hung and fixed to the bottom of the groove 38 with the buds 31a facing up (FIG. 1).
0). Immediately thereafter, the respective engagement levers 22 attached to the respective holder pieces 19 are respectively engaged with the second opening / closing guides 29, and the respective holder pieces 19 are rapidly opened and separated from the grasped potato 31. To release the potato 31 (see FIGS. 5 and 11). In this manner, even after leaving the seed potato 31, the engagement levers 22 of the holder pieces 19 and the second opening / closing guide 29 maintain the engagement, so that the holder H rotates. Between them, the pair of holder pieces 19 maintain the open posture (see FIGS. 5 and 12), and do not come into contact with the seed potato 31 planted at the bottom of the groove 38.

When the rotation of the holder H is completed, the engagement between the second opening / closing guide 29 and the engagement lever 22 is released, and the pair of holder pieces 19 come into close contact with each other by the action of the coil spring 21 (FIG. 5). And FIG. 13), rear sprocket 1
Drive toward part 1. Immediately after the seed potato 31 is planted with the buds facing upward at the bottom of the groove 38 in this manner, the soil is brought from both sides toward the center by the cultivation blade 5 and covered with the seed potato 31. At the same time, ridges are made. After that, the formed ridge is
The sheet 39 is covered by the ridges shaped by the multi-working machine B while being shaped by 3. 1 and 2, reference numerals 41 and 42 denote tractors T, respectively.
2 shows a rear wheel and a gauge wheel mounted on a rotary cultivator R.

In the above embodiment, the rotary cover 1
2 is an example in which the gear case 6 is disposed at the center in the width direction and the tilling shaft 4 is supported at the center in the length direction. The tilling shafts of the book are supported in a cantilever manner with the same axial center, so that the rotary tilling device R is designed so that the cultivating shaft does not exist at the center in the width direction. The sprocket 15 may be arranged.

In the above embodiment, the arc-shaped second
If the fixed position along the circumferential direction of the opening / closing guide 29 is adjustable, in the case where the planting posture of the seed potato with the buds is not stable in relation to the traveling speed of the body and the planting pitch of the seed potato, When the position of the second opening / closing guide 29 along the circumferential direction is finely adjusted and changed, the phase in which the pair of holder pieces 19 separate from the seed potato fixed to the groove bottom can be changed, and the seed potato is planted in the most stable posture. It becomes possible to attach. Further, in the above embodiment, the pair of holder pieces 19 are closed when the holder H completes the rotational movement at the lower sprocket 15, but the first sprocket 11 is continuously connected between the lower sprocket 15 and the rear sprocket 11. (2) The opening / closing guide may be arranged so that the holder H travels between the lower sprocket 15 and the rear sprocket 11 while maintaining the open position. Further, the holder piece 19 for holding the seed potato 31 can be formed of a thin plate material.

The above embodiment is an example in which the seed cultivator according to the present invention is integrally incorporated in a rotary tilling device mounted behind a tractor. The present invention also includes a configuration in which the airplane is integrally incorporated and the entirety is self-propelled by the mounted engine. Furthermore, although the seed potato planting machine of the above embodiment is a single-row planting machine, two-row planting may be performed by providing two rows of transport chains.

Further, in the above embodiment, before the holder H is opened, the seed potato gripped by this is grounded to the bottom of the planting groove, and the seed potato is fixed by the soil that collapses from both sides thereof. However, before opening the holder H, the seed potato may not be grounded at the bottom of the planting groove, and the seed potato may be fixed by the soil that collapses from both sides.

[0021]

[Effects of the Invention] The seed potato planting machine according to the present invention has the above-described configuration, and thus has the following effects. (1) A transport chain in which a number of holders are planted is mounted between the front and rear sprockets and the lower sprocket,
The seed potato gripped by the rotating holder in the lower sprocket is grounded to the bottom of the groove, and the seed potato is fixed to the groove bottom by the soil that collapses from both sides thereof. Since the seed potatoes are planted in an inclined position, there is no horizontal running part at the lowermost end of the transport chain, and the length of the seed potato planter in the front-rear direction can be shortened and can be mounted on a rotary tillage device become. (2) The seed potato held by the rotating holder in the lower sprocket portion is grounded to the bottom of the groove, and the seed potato is fixed to the bottom of the groove by the soil that collapses from both sides thereof. Is different from the seed potato planting machine having the horizontal traveling portion at the lowermost end, so that the seed potato can be planted without any trouble even when the machine speed or the planting pitch slightly changes. (3) Since it is integrated into the rotary tilling device, it is possible to cover the seed potato immediately after planting and perform ridge work, eliminating the need for separate ridge work, and the entirety for planting the seed potato. Work efficiency is improved. (4) When the mounting position along the circumferential direction of the second opening / closing guide mounted on the lower sprocket is adjustable, the buds are raised in relation to the traveling speed of the airframe and the seeding pitch. In the case where the seed potato is not stabilized in the posture, the phase in which the pair of holder pieces is separated from the seed potato fixed to the groove bottom can be changed, so that the seed potato can be planted in the most stable posture. (5) When the multi-working machine is mounted behind the seed potato planter, it is possible to perform the multi-work in which the seed potato is planted and covered with the sheet on the ridged portion in one process.

[Brief description of the drawings]

FIG. 1 is a side view of a seed potting machine A according to the present invention in a state where it is incorporated in a rotary tillage device R.

FIG. 2 is a plan view of the same.

FIG. 3 is a diagram showing only a mechanism of a seed potato transplanter A.

FIG. 4 is a perspective view of a seed potion input section 26 of the seed potter A;

FIG. 5 is an enlarged side view of a lower sprocket 15;

6 is an exploded perspective view of a lower sprocket 15 and a grooved plate 17. FIG.

FIG. 7 shows a frame 1 on which a lower sprocket 15 is mounted.
6 is a perspective view of a lower end portion of FIG.

FIG. 8 is an operation explanatory view of the holder H in the open position in the seed potion input section 26;

9 shows a seed potato 31 after passing through a first opening / closing guide 27. FIG.
FIG. 7 is an explanatory diagram of the operation of the holder H that holds the.

FIG. 10 is an operation explanatory view in a state where the seed potato 31 held by the holder H is fixed to the bottom of the groove 38.

FIG. 11 is an operation explanatory view in a state where the holder H is separated from the seed potato 31 fixed to the bottom of the groove 38.

FIG. 12 is an operation explanatory view of the holder H in an open posture state in which the seed potato 31 is opened at the bottom of the groove 38 and slightly raised from the lowermost end.

FIG. 13 is an operation explanatory view of the holder H in a closed posture after the seed potato 31 is opened.

[Explanation of symbols]

 A: Seed planting machine B: Multi-working machine H: Holder R: Rotary tilling device T: Tractor 4: Tilling shaft 9: Front sprocket 11: Rear sprocket 12: Rotary cover 15: Lower sprocket 19: Holder piece 23: Transport chain 26: Seed feeding section 27: First opening and closing guide 29: Second opening and closing guide 31: Seed potato 31a: Seed potato bud 38: Planting groove

──────────────────────────────────────────────────続 き Continued on front page (58) Field surveyed (Int.Cl. ⁶ , DB name) A01C 9/02

Claims (4)

(57) [Scope of request for utility model registration] 1. A seed potting machine which is mainly mounted on a rear side of a tractor and is integrally incorporated in a rotary tilling device having a tilling shaft for rotating a horizontal axis, wherein a central portion in the width direction of the rotary tilling device is provided. In addition, a front sprocket and a rear sprocket are arranged at a predetermined interval in the front-rear direction above the rotary cover in a portion extending from the rear end to the rear, and A sprocket is disposed below the rotary cover, and a plurality of holders having a structure in which a pair of holder pieces are urged in a closing direction by a spring action are implanted at regular intervals. A hook mounted between the sprockets and inserted into a seed potion input portion between the front sprocket and the rear sprocket, and mounted on a transport chain that linearly travels through the portion. A first opening / closing guide for opening the pair of holder pieces of the holder and maintaining the opening posture only in a predetermined section is provided, and is implanted in the lower sprocket portion in a transport chain that rotates and runs the portion. A second opening / closing guide is provided for opening the pair of holder pieces of the set holder and maintaining the opening posture in at least a predetermined section, and the transport belt runs in the same direction as the body between the front sprocket and the rear sprocket. By driving and driving the conveyor belt as described above,
The seed potato held by the holder in the seed potion input section is transported to the lowermost lower sprocket portion at the lowermost end, and after being fixed by the soil that has collapsed from both sides at the groove bottom, a pair of holder pieces at the lowermost end portion of the lower sprocket are removed. A seed potato incorporated in a rotary tilling device, wherein the seed potato is rapidly opened and maintained in a predetermined section, and the seed potato held by the holder is opened and planted at a groove bottom. Planting machine. 2. A seed potato planter incorporated in a rotary tilling apparatus according to claim 1, wherein a multi-working machine is mounted behind the seed potato planter. 3. The rotary tilling device according to claim 1, wherein the second opening / closing guide is adjustable in a mounting position along a circumferential direction around a rotation axis of the lower sprocket. Seed planting machine. 4. A seed potting machine according to claim 1, wherein the pair of holder pieces constituting the holder are formed of a thin bar or a narrow plate.