JPS5876010A - Walking type rice planter - 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 The present invention relates to a walking rice transplanter, and more particularly to a walking rice transplanter that reduces resistance while traveling in a field.

Most walk-behind rice transplanters have one end of the swing arm, which also serves as a transmission case, supported on both sides of the machine via a pivot.
A wheel is attached to the free end of the swing arm via an axle that is coaxial with the axis of the chain wheel, and a float is attached between the swing arms for the purpose of leveling the ground and supporting the rice transplanter with buoyancy. It is being Further, there is a seedling platform at the rear of the machine, and the planter is configured to cut out one seedling mat on the seedling platform using a planting machine from the cutting opening of the seedling receiving plate to achieve planting.

The walk-behind rice transplanter constructed in this way is designed so that the wheels move up and down depending on the depth of the tiller in the field, so that the seedlings are planted at a constant position. In deep fields, the swing arm rotates downward to bring the wheels into contact with the tiller, bringing them close to the center float.

Therefore, mud tends to get clogged between the swing arm and the center float when traveling in the field, and when the amount of mud increases, traveling resistance increases, reducing the efficiency of planting work, and in severe cases, There were times when the clumps of mud pushed the mud from the field to the side, making it rough.

Therefore, this invention attempts to prevent the mud from clogging the gap between the swing arm and the center float, and for this purpose, a wide space is formed inside the swing arm so that the swing arm in the mud can be pushed out. This system is characterized by a structure that allows mudflow to flow smoothly behind the rice transplanter.

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of the structure of the present invention shown in the accompanying drawings will be described. First, in the plan view shown in FIG. 1, the aircraft body designated by the reference numeral 11 is equipped with an engine, a reduction gear, an oil pump, and additional mechanisms.
A swing arm 12, which also serves as a chain case, is pivotally attached to both sides of the swing arm 1 via a pivot, and can rotate around the pivot. Furthermore, an axle 13 that also serves as a chain wheel shaft is protruded from the free end of the swing arm 12, and a wheel 14 is attached to this axle 13. This wheel 14
A side float 1G is attached to the outside of the
The side float 16 has on its inner surface a leveling protrusion 16a for leveling the outermost row of the four planting rows.

Further, a seedling platform 18 is attached to the rear of the body 11 and is moved laterally by the moving mechanism 11, and the seedling mat placed on the seedling platform is cut out by a planting machine from the cutting opening 18a to one plant. The planting is structured to obtain.

A center float 20 is attached to the lower side of the fuselage 11 and supports the fuselage 11 together with the wheels by creating buoyancy with mud in the field.
is a space sandwiched between the swing arm 12 and the sensing float 21 which has a detection function to move the wheel 14 up and down by sensing the depth of the tiller, and behind the free end of the float 21, which has a sensing function that senses the depth and shallowness of the tiller and moves the wheel 14 up and down. It is composed of a support float 22 to be obtained. The front end of this support float 22 has a wide part W that is wider than the planting row spacing P, and behind this wide part W is an extension part 2 that is narrower in width E than the planting row spacing P.
It is now 2a. Further, the width of the sensing float 21 may be wider or narrower than the wide part W of the support float 22, but it is necessary to have a shape that can reliably move up and down depending on the depth and shallowness of the tiller. .

In the above explanation, the front end of the support float 22 is located behind the line connecting the rear ends of the left and right swing arms 12, but in order to widen the space between the support float 22 and the sensing float 21, Alternatively, the rear end of the sensor 70-to 21 may be located forward of the line connecting the front ends of the left and right swing arms 12.

Since the walk-behind rice transplanter of the present invention has the above-described configuration, when the wheels 14 move to a deep place in the tiller, the buoyancy generated on the sensing float 21 increases, and the swing arm 12 rotates downward due to the change in buoyancy. Then, they try to bring the wheels 14 into contact with the tiller. In this case, the part near the free end of the swing arm 14 approaches the stamp surface, but since a wide space is formed inside the swing arm 12, the mud swept by the swing arm 12 flows without resistance and forms a lump. This means that you can move through the mud without any resistance.

As is clear from the above description, the walking rice transplanter of the present invention is configured by dividing the center float located between the swing arms into two parts: a sensing float and a support float.
A space is created between the left and right swing arms, so even in fields with deep tillers or fields with locally deep areas, there is no mud buildup inside the swing arms, and rice planting can be done with less resistance. obtain.

[Brief explanation of the drawing]

The attached drawings show an embodiment of the walking rice transplanter according to the present invention, in which FIG. 1 is a schematic plan view, FIG. 2 is a side view of the same, FIG. 3 is a schematic plan view of another embodiment, and FIG. FIG. 7 is a schematic plan view according to another embodiment. 11... Airframe, 12... Swing arm, 13...
・Axle, 14... Wheel, 15... Swinging arm, 16
...Side float, 17...Movement mechanism, 18...
・Seedling stand, 20... Center float, 21...
Sensing float, 22...support float.

Claims (1)

[Claims] (1) A walk-behind rice transplanter is equipped with a swing arm that also serves as a transmission case on both sides of the machine, a wheel is attached to the free end of this swing arm, and a center float between the two swing arms. It has a sensing float on the front side of the machine body, and a support part on the rear side of the free end of the swing arm that has a width wider than the planting row spacing and a support part narrower than the planting row spacing. a support float provided therein, and a space is formed between the swing arms.