JPS58193608A - 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 As a type of float type rice transplanter, a two-float type rice transplanter is known which has side floats on both sides of the machine body. This side float cannot be made to extend too much to the side due to the relationship with the existing 4&ffi (planting #J spacing), so in order to ensure the specified buoyancy, the float should be configured to be long along the direction of aircraft movement. For this reason, side-float type rice transplanters have large floats that tend to push mud against adjacent already planted seedlings, and they also lack the ability to reliably level the circular surface including the planting rows. There was a problem.

In view of the above-mentioned circumstances, the present invention is a rice transplanter that prevents sudden effects such as mud pushing on adjacent already planted seedlings even if the site length is configured to be long, and that also has improved soil leveling ability. This is what we are trying to provide.

For this purpose, the present invention provides a side float with an i-line float section extending along the direction of movement of the aircraft, and a 3! ! The front end of the rice transplanter is curved toward the center of the rice transplanter body, and at the bending position of the boundary between the two, there is a straight line U-shaped on the reduced water flowing laterally along the front float part. There is a device characterized in that a flow passage above the muddy water is formed so as to lead to the inside of the upper part, and a part of the front flap D-1 is arranged at a position corresponding to the planting row.

DESCRIPTION OF THE PREFERRED EMBODIMENTS Hereinafter, embodiments of the structure of the present invention shown in the accompanying drawings will be described. First of all, Fig. 1 is a plan view of the present invention applied to a four-row planting type walk-behind type 10 planting machine. The output of the L-resin 2 is transmitted through a belt 21 to a transmission 31 that constitutes a drive system for heavy wheels 3, etc., and an oil pump 32 of an earth motion mechanism that moves the wheels 3 up and down depending on the depth and depth of the tiller. The wheels 3 are connected to the output shaft 3 of the transmission 31.
The swing arm 34 is supported by a shaft 35 at the end of the swing arm 34 which is pivotally supported by a shaft 35.

Furthermore, the oil pump 32 mounted on the rice transplanter body 1 is capable of supplying pressure oil to the cylinder 36, and a take-up rod 3 is attached to the end of the piston 36a fitted in the cylinder 36.
1 is pivotally mounted, and both ends of this balance 137 arranged along the width direction of the rice transplanter main body 1 are pivoted with scale arms 38 that can be expanded and contracted slightly. The other end of this balance arm 38 is connected to a torque arm 39 whose end is fixed to the swing arm 34, and the piston 36a
The wheel 3 is moved up and down by swinging the swing arm 34 along a vertical plane via the balance rod 37, the balance arm 38, and the torque arm 39 by the expansion and contraction movement of the balance lever 37 and the balance arm 38.

At the rear end of the rice transplanter main body 1, there is a seedling platform movement mechanism 5 that reciprocates the seedling U platform 4 along the width direction. The support rod 51 supports the seedling platform 4 for planting in four rows, and the seedling platform movement mechanism 5 drives it to reciprocate in the width direction, in other words, along the direction perpendicular to the work progress direction. I am able to exercise.

Seedling receiving plate 41 arranged along the lower edge of the seedling platform 4
A cutting opening 41a corresponding to the planting machine 52 is formed in the opening 41a, so that the seedling mat placed on the seedling platform 4 can be cut out for one plant.

A side float 6 is arranged on the outside of the left and right wheels, and this side float 6 has a straight float part 61 well formed along the work progress, and a straight float part 6.
1 is formed by a part 62 of [:I-1]. Straight line of side flow 1 to 6) Funnel part 61 is seedling I
The front float part 62 has a length extending from a position directly below the upper edge of the platform 4, slightly near the front end, to near the front side of the wheel 3, and the front float part 62 extends from the front end of the linear float part 61 to the inside of the wheel 3, in other words. , it has a shape extending in an arc to near the center of the rice transplanter main body 1.

The outer edge 62a of this front float part 62 draws an arc resembling a quarter circle, and the inner edge 62b extends from the outside to the inside of the extension line of the movement trajectory of the second row planting machine 52. It has a straight edge along the direction of travel. Further, the outer edge 62c of the front float part 62 is also linear parallel to the inner edge 62b, and the leveling pieces 62d and 62e having edges continuous with the inner and outer image edges 62b and 62c are arranged in front. The float part 62 is projecting from the inner edge of the float part 62 to the rear of the planting machine 111, and each soil leveling piece is located at a position on the rice field including the planting row by the planting machine 52, and has the function of the float as well as the soil leveling ability. is also given.

The area sandwiched between the left and right side flows 1 to 6 is the side part 7.
The gap G formed between the inner edge 62b of the front part 70 and the bottom part 62 of 0-I to 6 and the side groove? The gap between the rear 5 and one end of 1-6.6 communicates with the outside and outside of the side float 6.

In addition, the front part 0-1 to part 62 forming the side float 6 is
A flow passage 63 that communicates with the inside and outside of the wound float 6 is formed from the vicinity of the connection point between the straight float part 61 and a part of the straight float part 61, and this flow passage 63 communicates with a space including at least the Eti plane. In this state, at a position away from the circular surface, the linear float part 61 and the front float part 62 are connected by the member forming the side float 6, forming an integral structure, as shown in FIG. , the whole of the constituent members of the side float 6 are protruded toward the upper space, or as shown in FIG. For example, a flow path 63 is formed by raising the bottom side of the lower part 6b.

The shape of the flow path 63 is determined by the edge shapes of both the front float section and the straight float section, and as shown in FIG. 1, the outer edge 62c of the front float section 62 is linear along the working width direction. Therefore, the surface of the communication path 63 on the 6-front float section 62 side is parallel to the direction of movement, and the surface on the straight float section 61 side is the end surface of the float section, which is perpendicular to the direction of work progress. It has become.

The continuous part between the straight float part 61 and the front float part 62 is made into an arch shape and protrudes upward as shown in FIGS. It may be made thinner and expected to function only as a continuous member.

FIGS. 6 and 7 show a shape in which the continuous portion of the linear float part 61 and the front float part 62 does not protrude upward, but has a thinner wall, and the upper surface is almost flat. A small flow path 62f is provided in the space including the other surface of the float part 62 along the work progress direction, and the leveling area of the entire front float part 62 is It is a widened version of

The side float 6 has a part near the rear end that is attached to the rice transplanter body.
It is pivotally connected by a pivot pin 64 arranged along the width direction, and the end of the horizontal sensing rod 7 is pivotally connected to the front end portion, in other words, the front float portion 62 by a link 11. The lower end of the switching rod 72 is pivotally attached to the center of the horizontal sensing rod 1, and the upper end thereof is connected to an oil passage switching valve of an oil pump 32 of the vertical movement mechanism of the wheels 3. As a result, the side float 6 moves up and down depending on the depth of the tiller, and this movement is transmitted to the switching rod 72, and the oil passage switching valve switches the screw l.
- determine the direction of movement of the ring 36a.

Next, a rice transplanting operation using the rice transplanter according to the present invention will be explained. First, in the case of a walk-behind rice transplanter, part of the total weight of the rice transplanter is supported by the buoyancy of the float, and the weight is supported by the wheels resting on the tiller, and the wheels 3 support the output of the engine 2. As this progresses, the planting 1ll51 cuts out the seedling mat, plants the strain, and performs the so-called rice planting work. The ground immediately in front of it is leveled by a float that also has a leveling function.

In particular, the side float 6 on the outside of the wheel 3 not only supports the weight of the rice transplanter main body, but also supports the front part 1''-upper part 62 formed at the front end of the straight float part 61 of the rice transplanter main body. Since it extends inward toward the center, the ground leveling width is wide, and as the work progresses, the front float part 62
The outer edge 62a of A receives resistance from the mud, and the mud flow
The mud flow spreads along the direction a perpendicular to the work progress, but the mud flow spreads along the flow path 6 adjacent to the rear end of the front float part 62.
3 into the inside of the side float 6.

In particular, the mudflow swept away by the outer edge 62a of the front float part 62 spreads along the outer edge in the width direction of the rice transplanter, but if the mudflow continues to spread, the pine seedlings in the already planted rows will be destroyed. Although it causes some inconvenience, the flow path that connects the inner and outer fields of the side float 6 formed near the end of the outer edge 62a for mud flow, in other words, near the continuous point of the straight float part 61 and the front float part 62 63 into the inside of the side float 6 to prevent the mud from spreading in the working width direction.

In the area surrounded by the front float part 62, the straight float part 61, that is, the side floats 6, the ground is leveled as the rice transplanter progresses. Since the ground leveling pieces 62d and 62e are provided on the front float part 62 so that the ground can be leveled on a line, the area that will become the planting row can be leveled reliably and accurately.

In the above explanation, a walking rice transplanter is mentioned, but it may also be a rice transplanter without wheels, that is, one that is connected to a passenger vehicle, or one that has a center float on the side floats. There may be.

As is clear from the above description, the rice transplanter of the present invention has a shape that is bent in the direction of 1 in the direction of the front end of the side floats located on both sides of the rice transplanter main body. A front float part is formed, and a flow path passing through the inner and outer exit surfaces of the side float is formed near a point of continuity between the front float part and the straight float part forming the side float, and further , since the front float part is arranged at a position that includes the extension of the movement trajectory of the planting machine, = does not spread near the side floats as the work progresses, and therefore,
The front float ensures that the field surface for planting rows is leveled without affecting the already planted rows.

10-

[Brief explanation of the drawing]

The attached drawings show an embodiment of the rice transplanter of the present invention, in which FIG. 1 is a plan view, FIG. 2 is a side view of the same, FIG. 3 is a partial side view of a side float according to another embodiment, FIG. 4, and , FIG. 5 is a plan view showing still another embodiment, and FIG. 6 is a side view.
7 is a plan view and a side view showing still another embodiment, and FIG. 8 is a partial front view of the rice transplanter. DESCRIPTION OF SYMBOLS 1... Rice transplanter body, 2... Engine, 3... Wheels, 31... Transmission, 32... Oil pump, 34... Swing arm, 36... Cylinder, 37... Balance rod, 38... Balance arm, 4...
Seedling mounting stand, 41... Seedling receiving plate, 41a... Cutting port, 5
... Seedling platform movement mechanism, 51... Planting machine, 6...
Side float, 61... Straight float part, 62...
Front float part, 62a, 62e... Leveling piece, 6
3... Distribution path. 11- Un super D

Claims (1)

[Claims] (1) In a rice transplanter equipped with side floats along both sides of the rice transplanter main body, the side floats have a straight line 70 extending along the direction of movement of the machine and a front end side of this single line groove part. A front float part whose front end is continuously bent toward the center of the rice transplanter body, and near the boundary bending position between the two, there is muddy water that communicates the inner and outer regions of the side flow 1- in a space including the river surface. A rice transplanter characterized in that the front float forms an upper flow path and is arranged at a position corresponding to the river surface including the planting row.