JPH0813213B2 - Rice transplanter chemical spraying structure - Google Patents

Description

TECHNICAL FIELD The present invention relates to a chemical spraying structure of a rice transplanter equipped with a vertical seedling feeding mechanism for supplying seedlings mounted on a seedling mounting table to a planting section.

[Prior art] The seedlings mounted on the seedling mounting table may be sprayed with a chemical such as an insecticide for controlling pests, but as an example thereof, conventionally, the one disclosed in Japanese Patent Publication No. 59-26249 is disclosed. there were.

This is configured such that a funnel-shaped drug container is arranged above the seedlings, and the drug is sprayed to the bed soil of the seedlings by the vibration and gravity of the body from the hole of the supply pipe communicating with the lower part of the container. It had been.

[Problems to be Solved by the Invention]

In the above-mentioned conventional technique, since the chemicals can be sprayed on the seedlings at the same time as planting, the work efficiency can be remarkably improved as compared with the case where the chemicals are sprayed on the seedlings planted on the rice field.

By the way, since the drug can exert its effect by being absorbed by the seedling itself, it is desirable that the drug is in the mud after planting. Need to be sprayed.

However, the bed soil of the loaded seedlings is not always in a wet state, and the surface of the floor soil is often dry. The drug sometimes scatters and falls from the floor soil due to the vibration of the planting part and the impact when the planting claw separates the loaded seedlings by splitting and taking them out, so that a sufficient medicinal effect may not be obtained.

In view of the above situation, an object of the present invention is to make it possible to maintain the state in which the chemicals are attached to the bed soil of the seedlings before planting as much as possible.

[Means for solving the problem]

To achieve the above object, the present invention, in the drug spraying structure of the rice transplanter described at the beginning, above the seedling mounting table, with a drug supply unit for spraying the drug on the mounted seedlings,
The watering device for wetting the seedlings is arranged above the mounted seedlings at a position on the upstream side in the seedling longitudinal feed direction with respect to the medicine supply unit.

[Work]

According to the above configuration, since it is possible to moisten the bed soil of the seedlings loaded with water by the water sprinkler, when the sprayed chemical reaches the bed soil immediately after the watering, the soil is firmly attached to the bed soil by the moisture. Because of the adhesion, even if the loaded seedlings are dry, it is possible to prevent the movement and scattering of the chemicals on the soil floor during the planting operation.

〔The invention's effect〕

Therefore, according to the present invention, it becomes possible to ensure the attachment of the drug to the bed soil of the planted seedlings and to sufficiently exert the drug effect.

〔Example〕

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

As shown in FIG. 3, an engine (1) and a mission case (2) as a prime mover are arranged in the front part of the fuselage, and a lifting link mechanism (4) is placed at the rear end across the control part (3). And a seedling planting device (A) equipped with a fertilizer application device (B) and a chemical spray device (C) is attached to form a riding rice transplanter.

As shown in FIG. 1, the mat-like seedlings (6) mounted on the seedling mounting table (5) in the seedling planting device (A) are arranged every time the seedling mounting table (5) reaches the vertical feed stroke end. It is configured to be moved by the seedling vertical feed mechanism (8) toward the planting section (7) below.

Then, a drug supply section (9) for spraying the drug is provided on the mounting mat-shaped seedling (6) above the seedling mounting table (5), and the mat-shaped seedling (6) on the seedling mounting table (5). A rolling wheel (10) that comes into contact with the floor soil of the above from above is rotatably provided around a horizontal axis, and the rolling wheel (10) is contact-rotated by the vertical feed movement of the mat-like seedling (6). The drug spraying device (C) is configured by providing the drug supply unit (9) with a feeding mechanism (D) driven by receiving the rotational force of the rolling wheel (10).

The chemical spray supply part (9) is composed of a funnel-shaped container (9) supported from both sides of the seedling placing table (5), and a feeding mechanism (D) is formed at the lower end thereof.

As shown in FIG. 1 and FIG. 2, the Honda planting machine is provided with a watering device (11) for wetting the mat-like seedlings (6), which is on the upstream side of the medicine supplying section (9) in the seedling longitudinal feeding direction. It is located above the seedlings (6) in position.

The sprinkler device (11) is formed by horizontally arranging nozzles (11) for generating a shower, and a water supply tank (13) arranged at the rear of the driver's seat (12) is supplied with a pump (P) by a pump tube. It is configured to meet (14) and pressure feed it to the nozzle (11).

The operation mode of the sprinkler (11) is configured as follows.

That is, the sensors (15) and (15) for detecting the humidity of the floor soil are installed on the mounting surface of the seedling mounting table (5), and when the humidity falls below a predetermined value required for spraying the chemicals, the pump (P). Is driven and water is sprayed from the nozzle (11), and the drive of the pump (P) is stopped when the detection value of the sensor (15) reaches an upper limit value higher than the predetermined value.

As shown in FIG. 3, an escape rod (18), which is vertically movable around a shaft center (X) by a hydraulic cylinder (17), is extended laterally inside the rear wheel (16) and is attached to the fuselage. I am doing it.

For example, when the rear wheel (16) slips and cannot move forward in a place where there is a step such as the entrance and exit of a paddy field and the mud layer is deeper, the escape rod (18) is lowered. , You can easily escape by floating the rear part of the body.

[Another embodiment]

 The present invention may be applied to a walk-behind rice transplanter.

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 drawing shows an embodiment of a chemical spraying structure of a rice transplanter according to the present invention, Fig. 1 is a partially cutaway side view of a planting device showing a sprinkler, and Fig. 2 is a front view showing an arrangement state of the sprinkler. , FIG. 3 is a side view of the riding type rice transplanter. (5) …… seedling mount, (6) …… seedling, (7) …… planting section,
(8) …… Seedling vertical feed mechanism, (9) …… Drug supply section, (1
1) ... Sprinkler.

Claims (1)

[Claims] 1. A chemical spraying structure of a rice transplanter equipped with a vertical seedling feeding mechanism (8) for supplying seedlings (6) mounted on a seedling mounting table (5) to a planting section (7). The above seedling stand (5)
A drug supply unit (9) for spraying the drug on the mounted seedlings (6) is provided above, and a watering device (11) for wetting the seedlings (6) is installed more than the drug supply unit (9). A chemical spraying structure for a rice transplanter, which is arranged above the mounted seedlings (6) at a position on the upper side in the seedling longitudinal feeding direction.