JPS61166314A - Seedling planting method - Google Patents

Abstract

(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to a method for planting seedlings that improves the planting posture of the seedlings.

[Prior art and its problems]

Conventionally, when seedlings are held one by one from a seedling stand and planted in the soil, the angle of the seedling stand and planting device when holding seedlings from the seedling stand and the angle of the planting device when planting into the soil. The seedlings were planted perpendicularly to the rice field by making the angle of the planting device equal to the ground. However, in reality, seedlings that were supposed to be planted vertically were planted tilted forward. When we investigated the cause, we found that the leaves and stems of the seedlings that were planted at the lower end of the trajectory of the planting device were still in contact with the planting device, so the seedlings were pushed forward in the upward trajectory. It turned out that the ship was dragged into a 1vff tilted position.

[Method to solve the problem]

In order to solve the above-mentioned problems, the present invention reciprocates the seedlings placed on the seedling platform (1) installed in the aircraft between one end of the seedling platform (1) and the soil. A planting device that draws a trajectory A (
2), the seedlings held by the planting device (2) are held in a position where they are planted in the soil at the lower end a of the trajectory A. This is a method of planting seedlings characterized by sloping the seedlings.

〔Effect of the invention〕

According to the present invention, seedlings can be planted substantially vertically in the soil by the above-mentioned method, and the seedlings can maintain good posture and grow well.

〔Example〕

(3) is a two-row walking type rice transplanter, which is equipped with an engine (4) and a traveling transmission case (5) at the front.
A transmission case (6) extends rearward from the rear end of the transmission case (5), and a planting portion transmission case (7) is provided at the rear end of the transmission case (6). and. Extend the left and right handle rods (8L) and (8) from the bottom of the rear end of the planting part transmission case (7) toward the rear part of the planter, and
9R) are left and right drive wheels, and shafts are attached to the tips of the left and right chain cases (11L) and (11R), which are rotatably supported around the drive shaft 00 on both the left and right sides of the running 2'7 Noyon case (5). It is suspended.

(2) is a ground leveling float whose rear part is pivoted at the bases of the left and right handle rods (8L) and (8R), and whose front part is an elgin on which the engine (4) is mounted. It is supported by the frame αa via a link mechanism αυ so as to be vertically movable.

(2)・(2) is a seedling planting claw (made of two rod-shaped bodies on the left and right)
2) and a seedling extrusion planting tool (2b) at the tip thereof, a swing crank αQ and a rotary drive crank α are installed at the lower left and right sides of the planting unit transmission case (7), respectively.
η, the seedling planting claw (2f ÷ cam fixed to the shaft a1 of the rotary drive crank αη) moves the trajectory A reciprocating between the lower end of the seedling platform (1) and the soil. A rocker is rotatably supported on the body (a) and the shaft cl!υ, and one end is in sliding contact with the cam body (a), and the other end is provided to engage with the upper end of the seedling extrusion and planting tool (2b). It is composed of a moving body @ and a bullet (c) that urges the rocking body in the direction A, and the planting device (2) divides and holds one seedling from the lower end of the seedling platform (1). When the seedling is planted in the soil, it is in the upward position, and at the lower end a of the locus A where one seedling is planted in the soil, it is forcibly moved downward in the (b) direction by the urging force of the bullet (to) and the seedling is planted. It is provided as follows.

When the planting device (2) divides and holds the seedlings from the lower end of the seedling platform (1), the seedling holding angle formed by the seedling holding claws (2α) is set to Da, that is, One seedling is held by the seedling planting claw (2 cL) in a tilted state by an angle of d. In addition, when the planting device (2) plants seedlings in the soil at the lower end a of the trajectory A, the angle with respect to the ground between the seedling holding surface (24) and the vertical line (to) of the upper surface is determined as the seedling holding angle section. is set to an angle ρ smaller than
The seedlings are planted in the soil in a posture tilted back by an angle (zoo β) at the lower end a of the trajectory. and. The seedling planting claws (2 oL) draw an upward trajectory of trajectory A from the lower end a, but in this upward trajectory, the seedling planting claws (2 oL) come into contact with the leaves and stems of the seedlings planted in the soil. In order to plant the seedlings, use the nails for planting the seedlings (2α)
The planted seedlings are placed in a separate tank facing forward, and the seedlings planted in the backward tilted position are changed to a position substantially perpendicular to the upper surface. Therefore, the seedlings that are finally planted in the soil are planted in a position substantially perpendicular to the soil surface, and the planting posture of the seedlings is good.

In the above embodiment, a rear-sloping type seedling stand was explained, but the same can be applied to a front-sloping type seedling stand, and a riding-type rice transplanter can also be used. be.

[Brief explanation of drawings]

The drawings show an embodiment of the present invention, in which Fig. 1 is a side view of the rice transplanter, Fig. 2 is a side view of the main parts, and Fig. 5 is an explanatory diagram of the operation. The symbols in the figure are as follows. (1)...Seedling stand (2)...Planting device A...Trajectory

Claims (1)

[Claims] The seedlings placed on the seedling stand (1) installed on the machine are planted into one seedling by the planting device (2), which draws a trajectory A that reciprocates between one end of the seedling stand (1) and the soil. In order to hold the seedlings one by one and plant them in the soil, the seedlings held by the planting device (2) are planted in the soil at the lower end a of the locus A, with the posture slightly tilted backwards. How to plant seedlings.