JPH0126182Y2 - - Google Patents

Description

[Detailed Description of the Invention] The present invention relates to a land leveling float for a rice transplanter that has a U-shape in plan view and is formed with a notch for passage of a planting claw to be opened at the rear end side.

This type of soil leveling float suppresses muddy water from unexpectedly flowing into the surface to be planted with seedlings in the notch for passing through the planting claw, and can prevent muddy water from flowing unexpectedly into the surface where a large flow of muddy water exists, such as at the rear of a wheel. Although it is possible to plant seedlings in a stable position, since the mud surface on which seedlings are planted in the notch is in a state where muddy water is removed at the front end side of the float, Seedlings brought into the mud by the planting claws were not separated from the planting claws as required, and there was a risk of planting errors, such as the seedlings being lifted up again by the upwardly moving claws. . More specifically, it has been confirmed through experiments that good results can be obtained by supplying an appropriate amount of water in order to smoothly separate the planted nails from the seedlings.

The present invention was developed with the above-mentioned circumstances in mind, and its purpose is to supply an appropriate amount of muddy water to the planting target mud surface in the planting claw passage notch through simple modification. The point is to make it possible.

The present invention is characterized in that, in the above-mentioned land leveling float for a rice transplanter, a concave groove for flowing muddy water is formed at the bottom of the front end of the float so as to communicate with the inside of the notch.

In other words, while suppressing the unexpected flow of muddy water to the planting target mud surface in the notch at the float portions located in front and on both sides of the notch for passing through the planting claw, the front end of the float An appropriate amount of muddy water is made to flow through the muddy water flow groove formed in the side bottom onto the muddy surface to be planted in the notch, so that the planting nails and the seedlings can be separated well.
It is now possible to eliminate the inconvenience caused by planting mistakes. Moreover, since the muddy water located at the front part of the float is forced to flow rearward through the groove, the amount of muddy water forced to flow laterally by the front part of the float is reduced. It is also possible to prevent the posture of planted seedlings from being disturbed by muddy water flow, and as a result, we have obtained a soil leveling float for a rice transplanter that can be used more conveniently.

Hereinafter, embodiments of the present invention will be described based on the drawings.

As shown in Figs. 1 and 2, a passenger vehicle body is provided with a pair of left and right front wheels 1, 1, a pair of left and right rear wheels 2, 2, a driver's seat 3, etc., and the vehicle body moves laterally in a constant stroke. Equipped with an inclined seedling platform 4, four planting claws 5 for picking out and planting one seedling at a time from the lower end of the pine-shaped seedlings W placed thereon, and three floats 6 for leveling the mud surface. The seedling planting device 7 is attached to a link 9 in an upright position that is pivotally connected to the rear end of upper and lower swing links 8a and 8b that are pivotally connected to the rear end of the vehicle body so as to be able to swing up and down. The seedling planting device is rotatably connected around the center X, and is further provided with a hydraulic cylinder 10 for lifting and lowering the seedling planting device. 7 can be raised and lowered relative to the vehicle body, and the seedling planting device 7 can be freely rolled relative to the vehicle body using a float 6 to maintain the left and right posture of the seedling planting device 7 relative to the mud surface in an attitude parallel to the mud surface. It consists of a type rice transplanter.

As shown in FIGS. 2 to 4, the planting mud surface of the planting claw 5a located at the outermost side of the four planting claws 5 arranged in parallel in the width direction of the vehicle body is leveled. The side float 6a is formed by blow molding or the like into a U-shape in plan view with the passage notch 11 of the planting claw 5a opened on the rear end side, and the bottom of the front end side of the float is filled with muddy water. The flow groove 12 is formed to communicate with the inside of the notch 11, and while suppressing the unexpected flow of muddy water to the planting target mud surface inside the notch 11, An appropriate amount of water can flow into the notch 11 through the groove 12. Further, the float 6a is supported by the seedling planting device 7 so as to be able to swing up and down about the horizontal axis Y, so that it can be moved up and down to follow the unevenness of the mud surface.

As shown in FIG. 2, FIG. 5, FIG. 6, and FIG. float 6
A notch 13 for passing the planting nails on both sides of the rear end.
It is formed by blow molding or the like to have a generally T-shaped plan view shape, and a groove 14 for flowing muddy water is formed at the bottom of the float over its entire length. In addition, reinforcing ribs 15 protruding from the side wall of the float
The part 15a located near the front of the notch 13 is bent downward to force the muddy water to flow laterally, so that an unnecessarily large amount of muddy water can be planted inside the notch 13. It is designed to suppress the mud from flowing into the surface. Furthermore, float 6
is supported so as to be vertically swingable around the horizontal axis Y,
The planting depth is detected by its vertical movement, and
The lift control cylinder 10 is configured as a lift control float that automatically expands and contracts so as to maintain the planting depth within a set range.

The soil leveling float 6a of the present invention can be applied to rice transplanters of various specifications.

[Brief explanation of drawings]

Figure 1 is a side view of the riding rice transplanter, Figure 2 is a schematic plan view of the rear of the machine, Figure 3 is a vertical side view of the side float, Figure 4 is a sectional view taken along the - line in Figure 3, and Figure 5. is a partially cutaway side view of the central float,
Each of FIGS. 6 and 7 is -
and - line sectional view. 5, 5a... Planting claw, 11... Notch for passage of planting claw, 12... Concave groove for flowing muddy water.

Claims (1)

[Scope of Claim for Utility Model Registration] A land leveling float for a rice transplanter having a U-shape in plan view, in which the passage notch 11 of the planting claw 5a is opened at the rear end side, and the float is a concave groove for flowing muddy water. 12 is formed at the bottom of the front end of the float so as to communicate with the inside of the notch 11. The practical use is characterized in that among a plurality of planting claws 5 arranged in parallel in the width direction of the vehicle body, the planting claw 5a located at the outermost side of the vehicle body is attached to the vehicle body in a state where the planting mud surface is leveled. A land leveling float for a rice transplanter as set forth in the Scope of New Patent Claims.