JPH0998617A - Rice transplanter - Google Patents

Abstract

PROBLEM TO BE SOLVED: To narrow the width of a seedling table by moving a movable seedling loading part attached at one edge of the lateral direction of a machine body toward the seedling table. SOLUTION: Only the seedling placing part positioning at the left edge in the lateral direction of a working body among the plural seedling loading parts 13a, 13b is made to be movable in an unfolded state of a seedling table. The movable seedling loading part 13b is turned and folded against a fixed seedling loading part 13a through a swinging arm and a connection link. This allows to narrow the width of a seedling table consisting of e.g. 5-row loading parts 13a, 13b by one row and reduce it to the width corresponding to a seedling table having 4-row loading parts 13a, 13b.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a rice transplanter for 5-row planting, 6-row planting, and the like, and more particularly to a rice planting machine in which a plurality of seedling placing portions are arranged in the lateral direction of the machine body to form a seedling placing table.

[0002]

2. Description of the Related Art Conventionally, in a multi-row rice transplanter such as an eight-row planting machine, a plurality of seedling placement parts on which seedlings are placed are arranged in parallel in the left-right direction of the machine body to form a seedling placement stand, and one of the left and right sides is formed. The movable seedling placing section located on the outermost side, with respect to the fixed seedling placing section adjacent to the inner side thereof, one that is switched from a deployed posture to a folding posture superimposed on it, and the movable seedling placing section, There is one that folds upright at a right angle to the fixed seedling placement part.

According to this, by folding the seedling placing portions on both the left and right sides, there is an advantage that the multi-row rice transplanter can be stored in the garage in a small space.

On the other hand, in the case of 5-row planting or 6-row planting rice planting machines, the seedling placing base does not protrude so much in the left-right direction, but as in the case of the multi-row rice planting equipment, the seedling placings on both the left and right sides are placed. The part can be folded or can be stored without being folded. At the time of use, the rice transplanter was loaded on a light truck or the like and transported to the field.

[0005]

However, according to the Road Traffic Law, there is a restriction rule that when loading an article on a vehicle body, the article must be stored within the width of the vehicle body. If the 6-row planting rice transplanter is loaded on a light truck or the like, the rice transplanter may protrude from the light truck or the like in the left-right direction, which may be against the law.

On the other hand, similar to the above-mentioned multi-row rice transplanter, if the movable seedling placing portions located on both outer sides in the left-right direction are folded and then loaded, the rice transplanter may be projected in the left-right direction of the vehicle body. However, this complicates the folding structure and causes a cost increase.

The present invention has been made in order to solve such a problem, and an object thereof is to move a movable seedling placing portion at one end of the machine body in the left-right direction with respect to the seedling placing base. The purpose is to provide rice transplanters with a narrow seedling stand.

[0008]

In order to achieve the above object, the rice transplanter according to the present invention has a plurality of seedling placement portions (13a, 13b) capable of placing seedlings in the lateral direction of the machine body (8). Rice transplanter (1) which is arranged to form a seedling stand (12)
In, in the plurality of seedling placing portions (13a, 13b), only the seedling placing portion located on the outermost side in either the left-right direction is set as the movable seedling placing portion (13b), and the movable seedling placing portion (13b).
Is provided with moving means (19, 20) for moving and reducing the seedling placing table (12) so that the width of the seedling placing table (12) becomes narrow.

Preferably, the seedling placing table (12) comprises five seedling placing portions (13a, 13b), one of which is
The movable seedling placing section (13b) of the row was moved to reduce the width to a width equivalent to the seedling placing table consisting of the four seedling placing sections (13a, 13b).

(Operation) Based on the above configuration, a plurality of seedling placing portions (13) are provided in the unfolded state of the seedling placing base (12).
Of the a and 13b), only the seedling placing portion located on the outermost side in either the left-right direction of the machine body is the movable seedling placing portion (13b). Then, the movable seedling placing part (13b) is moved so as to narrow the width of the seedling placing table (12) via a moving means provided with a swing arm (19) and a connecting link (20). As a result, for example, 5 rows of seedling mounting portions (13a, 13a
By moving the movable seedling placing section (13b) of the seedling placing table (12) consisting of b), the four-row seedling placing section (13) is moved.
It is possible to reduce the width to a width corresponding to the seedling placing stand made of a, 13b).

The reference numerals in the above parentheses are for the purpose of comparing the drawings, but do not limit the structure of the present invention.

[0012]

BEST MODE FOR CARRYING OUT THE INVENTION Embodiments of the present invention will be described below with reference to the drawings.

FIGS. 1 to 3 show a rice transplanter according to the present invention. The passenger rice transplanter 1 has a traveling vehicle 2 on the front side thereof, and a seedling placing device 3 on the rear side thereof having a lifting link mechanism 5. It is attached and supported through.

The traveling vehicle 2 has a traveling machine body 8 supported by front wheels 6 and rear wheels 7, and an engine section 9 is mounted in front of the front wheels 6 of the traveling machine body 8. Further, the seedling placing device 3 has a float 1 at the bottom thereof.
0 is arranged, and the planting device 1 is provided above the float 10.
1 is arranged, and above this planting apparatus 11, a seedling placing table 12 is arranged obliquely toward the front.

This seedling placing table 12 is located on the outermost side (left side in the present embodiment) of the machine body 8 in either the left-right direction, and is similar to the movable seedling placing portion 13b on which the seedlings can be placed. Fixed seedling placing portions 13a that can be placed, and these fixed seedling placing portions 1
3a and apron 15a, 15b for placing and sliding the movable seedling placing portion 13b. The left and right aprons 15b are foldably attached to the central apron 15a.

A plurality of the fixed seedling placing portions 13a are arranged laterally (four rows in the present embodiment), and the movable seedling placing portions 13b are arranged on the outermost left side of the fixed seedling placing portions 13a.
Is arranged. As shown in FIGS. 4 to 7, a locking projection 16 is projectingly provided on the right inside end of the movable seedling mounting portion 13b, and the left end of the fixed seedling mounting portion 13a facing the locking projection 16 is provided. An engaging groove 17 into which the engaging protrusion 16 can be inserted is provided in the. The back surfaces of the fixed seedling placing portion 13a and the movable seedling placing portion 13b are connected by a connecting member as a moving means, and the connecting members are provided at two positions above and below the seedling placing table 12.

This connecting member is a U-shaped swing arm 19
And the connection link 20 is connected. That is, as shown in FIG. 8, the connecting member includes a bracket 21 protruding from the left end of the rear surface of the fixed seedling placing portion 13a.
, One end of the swing arm 19 is rotatably supported, one end of the connecting link 20 is rotatably supported on the other end of the swing arm 19, and the other end of the connecting link 20 is movable. The swing arm 19 is rotatably supported and connected to a bracket 23 projecting from the rear side of the mounting portion 13b.
From the side, the respective connecting portions are connected by connecting fulcrums 22a, 22b, 2
2c.

On the back surface of the movable seedling placing portion 13b, as shown in FIGS. 4 to 7, a supporting member 25 for connecting the movable seedling placing portion 13b in the expanded state and the fixed seedling placing portion 13a.
Is provided. The support member 25 is a connecting rod 25a.
And a nut portion 25b. The connecting rod 25a is provided so as to penetrate through the bearing blocks 26, 26 projecting from both ends of the movable seedling placing portion 13b in the lateral direction, and a screw is formed at the tip, A handle is formed on the side. Further, the nut portion 25b is attached to the bracket 21 at the leftmost outer end of the fixed seedling placing portion 13a. Then, when arranging the movable seedling placing portion 13b in the expanded state, the tip of the connecting rod 25a is screwed to the nut portion 25b.

Further, as shown in FIGS. 4 to 7, a standing member 27 is erected on the surface side of the fixed seedling placing portion 13a adjacent to the movable seedling placing portion 13b. Then, in the standing member 27, a locking hole 27 into which the locking projection 16 is inserted when the movable seedling placing portion 13b is arranged in a folded state.
A is formed, and a screw hole 27b into which the connecting rod 25a of the support member 25 is screwed is formed. The seedling stand 1
In the folded state of 2, the fixed seedling placing portion 13a and the movable seedling placing portion 13b are arranged so as to overlap in the same direction as shown in FIG. 7, and in this case, the movable seedling placing portion 13 is arranged.
The locking projection 16 of b is inserted and supported in the locking hole 27a, and the connecting rod 25a is screwed into the screw hole 27b.

The aprons 15b, 15b at the left and right ends
Is folded and folded with respect to the apron 15a on the center side. In addition, the movable seedling placing portion 13b and the fixed seedling placing portion 1
A seedling leaf retainer rod 33 is attached to each seedling placement surface of 3a (see FIGS. 1 to 3).

Next, the operation of this embodiment will be described.

When carrying out planting work, the movable seedling placing section 1
The locking projection 16 of 3a is fixed to the locking groove 17 of the fixed seedling placing portion 13a.
, And the connection rod 25a is screwed onto the nut portion 25b to connect the fixed seedling placing portion 13a and the movable seedling placing portion 13b in a developed state. Then, the seedlings placed on the fixed seedling placing portion 13a and the movable seedling placing portion 13b are transported by a seedling transporting unit (not shown), and the seedlings are sandwiched by each planting device 11 and planted in the field.

When the riding rice transplanter 1 is moved, the movable seedling placing portion 13 in the expanded state as shown in FIG.
B is folded as shown in FIG. 7 to be superposed on the fixed seedling placing portion 13a. That is, the connecting rod 25 of the support member 25
a is removed from the nut portion 25b, and the fixed seedling placing portion 13
The movable seedling placing portion 13b is pulled away from a, and the locking projection 16 is pulled out from the locking groove 17 (FIG. 5).

As a result, the swinging arm 19 and the connecting link 20 connecting the fixed seedling placing portion 13a and the movable seedling placing portion 13b are connected with the straight line distance from the connecting fulcrum 22a to the connecting fulcrum 22c as a radius. It rotates about the fulcrum 22a as shown in FIG. In this case, the connecting member is rotated while the seedling placing surfaces of the fixed seedling placing portion 13a and the movable seedling placing portion 13b are oriented in the same direction.

Then, the swinging arm 19 is erected at a substantially right angle, and then the movable seedling placing portion 13b is rotated around the connecting fulcrum 22b so that the connecting link 20 is placed on the back surface of the movable seedling placing portion 13b. Place along. Then, the tip of the connecting rod 25a is screwed into the screw hole 27b, and the locking projection 16 is inserted into the locking hole 27a. As a result, the fixed seedling placing portion 13a and the movable seedling placing portion 13b can be overlapped and arranged in a folded state with the same surface facing the same direction.

As described above, according to the present embodiment, the movable seedling placing portion 13b located on the leftmost side of the machine body 8 and the fixed seedling placing portion 13a other than the movable seedling placing portion 13b serve as a swinging arm as a moving means. Since the movable seedling placing section 13b is connected to the movable seedling placing section 13b by rotating the movable seedling placing section 13b, the seedling placing table 12 is first slid to the movable seedling placing section 13b side in the case of, for example, a 5-row rice transplanter. , Then movable seedling placing part 13b
The width of the seedling stand can be reduced by one row by folding the to the width equivalent to the seedling stand of the 4-row rice transplanter, and if the left and right aprons 15b and 15b are bent, it will be easy. It becomes possible to load and transport it on a light truck or the like.

That is, as is apparent from FIG. 2, for example, in the case of a five-row planting rice transplanter, the space between planting rows and each seedling placing portion 13
Since the width 1 of a and 13b is 300 mm, and the apron 15b projects by half (150 mm) in the left-right direction, the lateral width L of the seedling placing table 12 including the apron 15b is 1800 mm in the deployed state. on the other hand,
The total width of a light truck is 1395 mm, so 5
It is against the law if you load the row planting machine in the expanded state.

Therefore, as shown in FIG. 3, first, the seedling placing table 12 is slid to the movable seedling placing portion 13b side, and then the movable seedling placing portion 13b is folded to reduce the lateral width by one row.
If the left and right aprons 15b and 15b are further bent, the lateral width L'of the seedling placing table 12 including the bent apron 15b is 1
The length is 320 mm, which allows the rice transplanter to be loaded on a light truck and run.

[0029]

As described above, according to the present invention,
Only the seedling placing portion located on the outermost side in either the left or right direction of the machine body was used as a movable seedling placing portion, and a moving means was provided for moving the movable seedling placing portion so that the width of the seedling placing base became narrower and reducing it. Thus, it is possible to reduce the width of the machine body, which allows the machine body to be loaded on a vehicle and transported.

Further, by setting the width of the 5-row planting rice transplanter to be equivalent to the width of the 4-row seedling placing table, it can be loaded on a light truck for transportation. Further, the seedling placing table can be slid to the left or right side in advance. If it is transported, when it arrives at the field, the planting work can be performed immediately after removing the assembly and supplying seedlings.

[Brief description of drawings]

FIG. 1 is a side view of a rice transplanter according to the present invention with a seedling stand folded.

FIG. 2 is a plan view of the same deployed state.

FIG. 3 is a plan view of a state where the seedling placing base is also folded.

FIG. 4 is a rear view showing the swing arm portion in the unfolded state of the above seedling placing table.

FIG. 5 is a rear view for explaining the operation of shifting the seedling placing table to the folded state.

FIG. 6 is a rear view of the same operation description.

FIG. 7 is a rear view showing the seedling placing table in the same folded state.

FIG. 8 is a cross-sectional view showing a portion supported by a movable seedling placing portion.

[Explanation of symbols]

 DESCRIPTION OF SYMBOLS 1 Riding rice transplanter 8 Running machine 12 Seedling platform 13a Fixed seedling platform 13b Movable seedling platform 15a Apron 15b Apron 19 Swing arm 20 Connecting link 25 Supporting member 27 Standing member

Claims (2)

[Claims] 1. A rice transplanter in which a plurality of seedling placement parts capable of placing seedlings are arranged in the left-right direction of the machine body to form a seedling placement stand, wherein the plurality of seedling placement parts are located on the outermost side in either the left-right direction. The rice transplanter is characterized in that only the seedling placing portion to be used is a movable seedling placing portion, and the moving seedling placing portion is provided with a moving means for reducing the width of the seedling placing base so as to reduce the width. 2. The seedling placing base comprises five seedling placing portions, and one of the movable seedling placing portions is moved to have a width equivalent to the seedling placing base consisting of four seedling placing portions. The rice transplanter according to claim 1, which is reduced in size.