JP2519818B2 - Rice transplanter - Google Patents

Description

DETAILED DESCRIPTION OF THE INVENTION [Industrial field of application] The present invention relates to chemical spraying in a rice transplanter.

[Conventional technology]

In rice transplanters, it has been proposed to spray herbicides from above planted seedlings at the same time as rice planting work, but in recent years it has been considered to spray pesticides such as insecticides, fungicides and plant growth regulators. There is. This pesticide is not simply sprayed from above like a herbicide, but is applied at the time of planting and absorbed from the roots of seedlings to exert an insecticidal or bactericidal action.

As a means for spraying such pesticides, for example, Japanese Patent Publication Sho 59
As disclosed in Japanese Patent Publication No. 26249-26, some seedlings on the seedling stand are sprayed with pesticides before planting, and seedlings sprayed with pesticides are planted.

[Problems to be Solved by the Invention]

With the conventional spraying technology, pesticides are sprayed onto the seedlings before planting, so most of the pesticides adhere to the foliage of the seedlings and to the roots of the seedlings, and the efficiency of spraying pesticides is good. There wasn't. After spraying, it may disappear if exposed to wind and rain, or the drug effect may decline within a short period of time. In addition, when the seedlings were planted, the drug sometimes disappeared in a state of dissolving in the rice field water, and from this aspect as well, the effective use amount was small relative to the supply amount. In addition, there is a possibility that the pesticide may be scattered in the air during spraying, so there is room for improvement in terms of work hygiene.

Therefore, the present invention can set the feeding amount such that the pesticide can be efficiently supplied while the fertilization work and the chemical treatment work can be performed simultaneously with the rice planting work, and the pesticide spraying amount is maintained at a predetermined value regardless of the change of the fertilizer spraying amount. The purpose is to provide an advantageous rice transplanter.

[Means for solving the problem]

A feature of the present invention is that the rice transplanter as described above is configured as follows. That is, [1] a seedling planting device having a planting mechanism for planting seedlings on a rice field as the machine progresses, a fertilizer applying device for supplying fertilizer to a field, and a chemical applying device for supplying agricultural chemicals. And a fertilizer tank for storing fertilizer in the fertilizer application, and a pesticide tank for storing pesticides in the chemical application device, each of which is composed of separate tanks having different storage spaces. The fertilizer applicator and the drug applicator are provided with a payout amount setting unit for setting the payout amount from each of the fertilizer tank and the agrochemical tank separately.
The fertilizer and the pesticide are both supplied in an embedded state into the mud, the relative position of which is determined with respect to the seedlings planted by the planting mechanism. [2] The configuration according to the above item [1] In addition to the above, the fertilizer application device has a first grooving device that creates a groove in mud and supplies the fertilizer from the fertilizer feeding amount setting unit to the groove, and the chemical application device creates a groove in the mud. And a second grooving device that supplies fertilizer from the agricultural chemical feeding amount setting unit to the grooving groove, and the first grooving device and the second grooving device pass through substantially the same position. The first and second groovers are arranged in front of and behind the machine body. [3] In addition to the configuration of [1] above, the fertilizer applicator creates a groove in mud. The ditch has a first grooving device that supplies the fertilizer from the fertilizer feed amount setting unit, and the drug application device is mud. It has a second grooving device for supplying a fertilizer from the above-mentioned pesticide feeding amount setting unit to the grooving, and the first grooving device passes through one lateral side of the planted seedlings. The first and second grooving devices are distributed to the left and right with respect to the planted seedling so that the second grooving device passes through the other lateral side of the seedlings. [4] In addition to the configuration of [1], [2] or [3] in the preceding paragraph, the fertilizer application device creates a groove in mud and supplies the fertilizer from the fertilizer feed amount setting unit to the created groove. And a second crop groove device for supplying fertilizer from the pesticide feed-out amount setting section to the preparation groove, and the first crop groove device is provided. The groove formed by the second groover is set to be shallower than the groove formed by the groover,
[5] In addition to the configuration of [1], [2], [3], or [4] in the preceding paragraph, the fertilizer application device creates a groove in mud and sets the fertilizer feeding amount in the created groove. Part has a first grooving device for supplying fertilizer from the part, and the chemical application device has a second grooving device for supplying a fertilizer from the pesticide feed-out amount setting part to the created groove by creating a groove in mud. However, the first grooving device is arranged on the front side of the machine body of the planting mechanism, and the second grooving device is arranged on the rear side of the machine body of the planting mechanism. Its action and effect are as follows. It is as follows.

[Action]

(I) According to the above-mentioned [1], when the seedling planting work is performed by the seedling planting device, the fertilizer applying device causes the fertilizer to be embedded in the mud near the seedling and easily absorbed by the planted seedling. Supply. In addition, the medicine applying device makes the pesticides embedded in the mud near the seedlings so that they can be easily absorbed from the roots of the planted seedlings, and the effectiveness of the medicines is reduced due to wind and rain, or it directly dissolves in the rice field water. Supply while making things less likely to occur.

Both the fertilizer applicator and the drug applicator supply the fertilizer or the pesticide at the feed amount determined by the action of the feed amount setting unit by the dedicated tank and the feed amount setting unit, and even if one feed amount is changed and adjusted, The other feeding amount can be set irrespectively.

(Ii) If both the fertilizer applicator and the chemical applicator are equipped with a grooving device to form a groove on the paddy field, the paddy field will be easily damaged. The other side will pass through the traces of one passing and ruining, so the paddy field will not be damaged more than necessary.

(Iii) When the groover passes through the rice field to make a groove, mud flows into the groove behind the groover, causing nearby planted seedlings to the groove side due to this mud flow. May be pulled and tilted.

Therefore, when the first and second crop ditchers are arranged on the left and right sides of the planted seedling as in the preceding paragraph [3], the above-mentioned mud flow occurs on the left and right sides of the planted seedling. The phenomenon that "is drawn to the left or right" does not occur.

(Iv) It is generally preferable to set the fertilizer so that the roots of the planted seedlings absorb the fertilizer after the planted seedlings have grown to some extent. The pesticides should be set so that they are absorbed from the roots immediately after the seedlings are planted.

Therefore, if the position of the pesticide is made shallower as in the previous section [4], it will be closer to the root of the planted seedling than fertilizer, and the pesticide will be absorbed from the root sooner.

(V) Since pesticides generally have smaller particles and flow more easily than fertilizers, the pesticides may be washed away from a predetermined position if the first crop ditcher for fertilizer or the planting mechanism passes after the pesticides are supplied.

Therefore, if the pesticide is supplied after the fertilizer is supplied and the seedling is planted as described in the above item [5], the pesticide is not washed away by the first crop ditch and the planting mechanism.

〔The invention's effect〕

As described above, fertilizers and pesticides can be supplied at the same time as rice planting work, and efficient work can be performed. Moreover, rather than spraying the pesticides directly on the seedlings before planting or spraying them from above after planting, they can be supplied in the state where they are embedded in the soil where the relative position with the planted seedlings is properly determined. In addition, there is an effect that the fertilizer and the pesticide can be efficiently absorbed by the seedling root and the utilization efficiency of the fertilizer and the pesticide can be improved.

Moreover, pesticides buried in the soil can be used more efficiently because they can be prevented from being lost or deteriorated due to the effects of wind and rain and dissolution into the rice field water, and they can be used more efficiently, and environmental degradation due to scattering and runoff. It has become possible to administer drugs in an advantageous manner by making it difficult to occur.

Furthermore, since the amount of fertilizer supplied and the amount of pesticide supplied can be set separately, it has become possible to appropriately set the respective amounts of supply and ensure efficient supply.

And when comprised like Claims 2-5, even if two sets of groovers for fertilizer and agricultural chemicals are provided, the roughening of a rice field is suppressed and the influence of the groovers on planting seedlings is suppressed. can do.

〔Example〕

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

As shown in FIGS. 1 and 3, three sets of planting mission cases (8) are provided in the central planting mission case (7), and the horizontal axis (X
1) A planting case (10) is rotatably supported around it. A pair of planting arms (11) (corresponding to a planting mechanism) are provided at both ends of the planting case (10), and
A seedling stand (6) is provided to configure a seedling planting device (3) for a riding type rice transplanter.

A link mechanism (not shown) extending freely from the body (not shown) of the riding type rice transplanter is extended, and the planting mission case (7) of the seedling planting device (3) is connected to this link mechanism. Has been done.

Next, the fertilizer application device (4) connected to the seedling planting device (3) will be described. As shown in FIGS. 1 and 2, the fertilizer storage tank (2) and fertilizer in the fertilizer storage tank (2) are placed in a support frame (1) extending upward from the planted mission case (8). A feeding amount setting unit (12) for feeding is connected and supported. A grounding float (9) is supported at the bottom of each of the three sets of planted mission cases (8), and a groove plate (20) and a first grooving device (22) are mounted on the grounding float (9).
Are connected.

Then, a hose (28) is installed so as to extend between each of the feeding amount setting sections (12) and each of the first grooving devices (22). or,
A linking rod (35) is laid across the bridging member (24) laid on both planting arms (11) and the drive shaft (12a) of the feed amount setting unit (12).

With the above structure, the fertilizer is intermittently fed from the feeding amount setting section (12) in association with the planting operation of the planting arm (11) by the rotation of the planting case (10), and the hose (2
It goes through 8) and is sent into the groove made by the first groove making device (22) (for example, about 30-40 kg / 10 are).

Next, the medicine applying device (5) connected to the seedling planting device (3) will be described.

As shown in FIGS. 1, 2, and 3, a support frame (16) extends from the planted mission case (8), and the support frame (16) is separated from the tank (2) of the fertilizer applicator (4). Drug delivery device (5) having a tank (13) formed in the tank
The main body (15) is connected and supported. Then, the horizontal frame (37) installed over the left and right support frames (16).
Six sets of support frames (38) extend downward from the bottom of the support frame (38), and the groove plate (39) and the second grooving device (40) are fixed to the lower end of the support frame (38). Then, six sets of funnel-shaped ducts (41) are extended from the lower part of the main body (15), and each of the second
It is inserted in the grooving device (40).

The central portion of the main body (15) is provided with an agricultural chemical feeding amount setting unit (36) for distributing the agricultural chemicals in the tank (13) to each duct (41) and then supplying the agricultural chemical feeding amount setting unit (36). ) Will be described. As shown in FIGS. 4 and 5, a disc (18) having a large number of holes (17) is rotatably supported around a vertical axis (Y) in the central portion (36), A pair of upper and lower one-way clutches (30) are fitted onto the drive shaft (23) of the disc (18). On the other hand, as shown in FIGS. 1 and 3, a pair of swingable operation arms (25) are provided on the left and right of the main body (15), and the left and right bridging members (24) and the operation arms ( 25) and the connecting rod (2
7), V-shaped swing link (26) and link link (29)
Are interlockingly connected via. Further, as shown in FIGS. 1, 4, and 6, a pair of wires (31) is installed across the left and right operation arms (25) and the one-way clutch (30).

With the above structure, when the planting case (10) is rotationally driven, the left and right operation arms (25) are vertically swung, the wire (31) is intermittently pulled, and the disc (18) is moved. In FIG. 5, it is intermittently rotated counterclockwise. As a result, the insecticide, which is an example of the pesticide stored in the tank (13), is sent from the outlet (19) into the hole (17) of the disc (18), and the brush (14) scrapes off the excess pesticide. While being taken, a certain amount of insecticide falls from the leak opening (21).

A disc (33) having a pair of fins (34) is arranged below the leak opening (21) as shown in FIGS. 4 and 6, and the disc (33) is provided by the motor (32). Is rotationally driven clockwise in FIG. As a result, the insecticide from the leak opening (21) is splashed over the whole area of the main body (15) as shown in FIG. 3, and the second groove making device (40) is made from each duct (41). It is sent into the groove (for example, 3 ~
4kg / 10 are).

Next, the positional relationship between the first and second groovers (22) and (40) and the planting arm (11) will be described. As shown in FIG. 1 and FIG. 7, the first grooving device (22) is located on the front side of the machine rather than the position (H) where the planting arm (11) plants the seedling (A), and the position (H) 2) Groover (40) on the rear side of the machine
Is located.

And, for the seedling (A), the first and second crop ditch (2
2) and (40) are located on the side of the grounding float (9), and the trace that the first grooving device (22) has passed is set so that the second grooving device (40) passes (first and second The distance between the grooves (M1), (M2) and the seedlings (A) made by the second groove groovers (22), (40) is, for example, 4.5c.
m about). Further, as shown in FIG. 1 and FIG.
The groove (M1) made by the grooving device (22) is deep (the depth of the groove (M1) is, for example, about 4 cm), and conversely, the groove (M2) made by the second grooving device (40) is shallow. (The depth of the groove (M2) is, for example, 2c
The height of the first and second groovers (22), (40) is set.

[Another embodiment]

As shown in FIG. 9, in contrast to the planted seedling (A), a deep groove (M1) is made by the first grooving device (22) on the left side of the paper, and conversely with respect to the seedling (A). The first and second grooving devices (22) and (40) may be distributed to the left and right so that a shallow groove (M2) is formed by the second grooving device (40) on the right side of the drawing.

When both the first and second groovers (22) and (40) are arranged on one side of the seedling (A), the passage of the first groover (22) as shown in FIG. Instead of passing the mark by the second grooving device (40), the position of the second grooving device (40) may be slightly shifted from the position in FIG. 7 to the seedling (A) side.

It should be noted that reference numerals are added to the claims for convenience of comparison with the drawings, but the present invention is not limited to the structures of the accompanying drawings by the entry.

[Brief description of drawings]

The drawings show an embodiment of a rice transplanter according to the present invention. Fig. 1 is an overall side view of a seedling planting device, a fertilizer application device and a chemical application device, Fig. 2 is an overall rear view of the fertilizer application device and an application device, and Fig. 3. Is an overall plan view of the seedling planting device and the drug applying device, FIG. 4 is a vertical side view of the central portion of the drug applying device, and FIG. 5 is V- in FIG.
FIG. 6 is a cross-sectional view from the V direction, FIG. 6 is a cross-sectional view from the VI-VI direction in FIG. 4, and FIG. 7 is the ground float, first and second
FIG. 8 is a plan view showing the arrangement of the groovers, FIG. 8 is a sectional view showing a state of the groove for the seedling, and FIG. 9 is a sectional view showing a state of the groove for the seedling in another embodiment. (2) …… Fertilizer tank, (4) …… Fertilizer application, (5)…
… Medication device, (11) …… Planting mechanism, (12) …… Fertilizer feed amount setting unit, (13) …… Pesticide tank, (22) …… First
Groover, (36) …… Pesticide feeding amount setting unit, (40) ……
Second crop groover, (M1), (M2) ... Groove, (A) ... Seedling.

 ─────────────────────────────────────────────────── ─── Continuation of the front page (72) Inventor Yasuya Nakao 64 Ishizukita-machi, Sakai City, Osaka Prefecture Kubota Sakai Factory Co., Ltd. (72) Mamoru Kubo 64, Ishizukita-machi, Sakai City, Osaka Prefecture Kubota Sakai Co., Ltd. In-house (72) Inventor Hiroaki Kitai 64 Ishizukita-machi, Sakai City, Osaka Prefecture Kubota Sakai Factory

Claims (5)

(57) [Claims] 1. A seedling planting device (3) having a planting mechanism (11) for planting seedlings on a rice field as the machine progresses, and a fertilizer application device (4) for supplying fertilizer to a field. A rice transplanter equipped with a chemical applying device (5) for supplying a pesticide, wherein the fertilizer tank (2) stores the fertilizer in the fertilizer applying device (4) and the pesticide in the chemical applying device (5) is stored. The pesticide tank (13) is made up of different tanks with different storage spaces, and the feed amount from the fertilizer tank (2) and pesticide tank (13) is set separately. Setting section (12),
(36), and the fertilizer applicator (4) and the drug applicator (5) are used in a mud soil whose relative position is determined with respect to the seedling (A) planted by the planting mechanism (11). Rice transplanter configured to supply both in an embedded state. 2. The fertilizer application device (4) has a first grooving device (22) for forming a groove (M1) in mud and supplying fertilizer from the fertilizer feed amount setting unit (12) to the created groove. Then, the drug application device (5) has a second crop ditcher (40) for creating a groove (M2) in mud and supplying the fertilizer from the agricultural chemical feed amount setting unit (36) to the created groove, 1st Groover (22) and 2nd Groover (4
0) passes almost the same position, the first and second
The rice transplanter according to claim 1, wherein the groovers (22), (40) are arranged in front of and behind the body. 3. The fertilizer applicator (4) comprises a first grooving device (22) for forming a groove (M1) in mud and supplying fertilizer from the fertilizer feeding amount setting unit (12) to the created groove. It has, and the drug application device (5) has a second grooving device (40) which creates a groove (M2) in mud and supplies the fertilizer from the agricultural chemical feeding amount setting unit (36) to the created groove. The first grooving device (22) passes through one lateral side of the planted seedling, and the second grooving device (40) passes through the other lateral side of the planted seedling. The rice transplanter according to claim 1, wherein the first and second groovers (22) and (40) are arranged so as to be laterally distributed with respect to the planted seedlings. 4. The fertilizer applicator (4) includes a first grooving device (22) for forming a groove (M1) in mud and supplying fertilizer from the fertilizer feeding amount setting unit (12) to the created groove. It has, and the drug application device (5) has a second grooving device (40) which creates a groove (M2) in mud and supplies the fertilizer from the agricultural chemical feeding amount setting unit (36) to the created groove. , The groove made by the first groove making device (22) (M
The rice transplanter according to claim 1, 2 or 3, wherein the groove (M2) formed by the second groover (40) is set shallower than in 1). 5. The fertilizer applicator (4) comprises a first grooving device (22) for forming a groove (M1) in mud and supplying fertilizer from the fertilizer feed amount setting unit (12) to the created groove. It has, and the drug application device (5) has a second grooving device (40) which creates a groove (M2) in mud and supplies the fertilizer from the agricultural chemical feeding amount setting unit (36) to the created groove. , The first grooving device (22) is arranged on the front side of the machine body of the planting mechanism (11), and the second grooving device (40) is arranged on the rear side of the machine body of the planting mechanism (11). Claim 1,
The rice transplanter according to any one of 2, 3, and 4.