JPH08308341A - Multi-row rice transplanter - Google Patents

Abstract

PURPOSE: To provide a multi-row rice transplanter for intending reduction in folding width of a seedling placing stand and simplify a folding structure. CONSTITUTION: This multi-row rice transplanter can fold a movable seedling placing part 13b positioned at the outermost side in the traverse direction by arranging plural seedling placing parts 13a and parts 13b in the traverse direction and rotating a link arm 20 attached to the back of the movable seedling placing part 13b. When the movable seedling placing part 13b is in a folded state, the outside face (face A) in the traverse direction of the movable seedling placing part 13b is positioned between the outside face (face B) in the traverse direction of a fixed apron 15a and an outside face (face C) in the traverse direction of a fixed seedling placing part 13a.

Description

Detailed Description of the Invention

[0001]

BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a multi-row rice transplanter in which a plurality of seedling placing portions are arranged in a lateral direction, and more specifically, a movable multiple seedling placing portion can be folded into a fixed seedling placing portion. Regarding the structure of rice transplanters.

[0002]

2. Description of the Related Art A multi-row rice transplanter forms a seedling mount by arranging a plurality of seedling mounts on which seedlings are mounted in the lateral direction, and fixes a movable seedling mount located on the outermost side in the lateral direction in a deployed state. The seedling mounting base can be folded by superimposing it on the seedling mounting part, but as the number of rows increases, the amount of lateral projection from the aircraft increases, so when traveling on a general road the vehicle Therefore, the movable seedling placing portions that do not meet the standard and are located on the outermost left and right sides are overlapped with the fixed seedling placing portion and folded.

When the multi-row rice transplanter is stored in the expanded state, a large garage space is required. Therefore, the movable seedling placing section is generally stored in a folded state.

[0004]

However, when folding the seedling placing table as described above, if the movable seedling placing portion and other accessory parts after folding are out of the lateral width of the machine, the vehicle travels on the road. Sometimes it does not meet the vehicle standard, and if the movable seedling placing part is forcibly folded so that it is positioned inside the fixed seedling placing part, it may become unstable due to structural factors. May be.
Further, if the folding structure is complicated, the operation becomes complicated and the cost may increase.

The present invention has been made to solve the above problems, and its purpose is to reduce the lateral width by folding the seedling placing table and to improve workability by simplifying the folding structure. The purpose is to provide a multi-row rice transplanter.

[0006]

In order to achieve this object, the present invention provides a seedling placing portion (13a, 13a) on which seedlings are placed.
b) are arranged in the lateral direction to form a seedling placing base (12), and at least the movable seedling placing portion (13b) located at the outermost side in the lateral direction in the expanded state is moved to the fixed seedling placing portion (13a). In the foldable multi-row rice transplanter (1), when the movable seedling placing portion (13b) is in a folded state, the lateral outside portion (A surface) of the movable seedling placing portion (13b) is a machine body ( It is characterized in that it is located between the laterally outer portion (B surface) of 8) and the laterally outer portion (C surface) of the fixed seedling placing portion (13a).

Further, according to the present invention, a plurality of seedling placing portions (13a, 13b) on which seedlings are placed are laterally arranged to form a seedling placing base (12), and the seedling placing base (12) is positioned at least at the outermost side in the lateral direction in the expanded state. The movable seedling placing part (13b) is moved so that it can be folded into the fixed seedling placing part (13a), and
The movable apron (15b) located laterally outside in the deployed state and supporting the movable seedling placing portion (13b) below is rotated to be foldable to the fixed apron (15a) side in the body, and further the body ( In the multi-row transplanter (1) in which the wire drawing markers (18, 19) provided on the side of (8) can be folded toward the inside of the machine by rotating the movable apron (15b) and the wire drawing marker (1). 18 and 19) of the rotation fulcrum (37) to the lateral outside portion (B) of the machine body (8).
It is characterized in that it is configured so as to be located inside the (surface).

[0008]

With the above construction, according to the present invention, when the movable seedling placing portion (13b) is folded, the movable seedling placing portion (13b) is provided on the rear surface thereof with the arm member (20).
Since it folds by rotating about the rotation fulcrum (32) of, the lateral outer surface (A surface) of the movable seedling placing portion (13b) is the lateral outer surface (B surface) of the machine body (8). When,
It will be located between the lateral outside surface (C surface) of the fixed seedling placing portion (13a), and since it is sufficient to include the arm member (20) as a constituent member required for folding, the folding structure is It has the advantage of being simple.

The reference numerals in parentheses described above are shown for reference to the drawings and do not limit the structure of the present invention.

[0010]

Embodiments of the present invention will be described below with reference to the drawings.

FIG. 1 shows a riding multi-row rice planting machine equipped with the seedling placing device of the present invention. The riding rice planting device 1 has a traveling vehicle 2 in front of it and a seedling placing device 3 behind it. Are mounted and supported via the lifting link mechanism 5.
The traveling vehicle 2 has a traveling machine body 8 supported by front wheels 6 and rear wheels 7. The front wheels 6 of the traveling machine body 8 are
The engine 9 is mounted on the front of the engine, and the driver's seat 4 is provided on the rear of the engine. In the seedling placing device 3, a float 10 is arranged at a lower portion thereof, a planting device 11 is arranged above the float 10, and a seedling placing table 12 is arranged above the planting device 11 in a diagonally forward direction. It is arranged to be inclined.

Incidentally, at the rear of the body 8 and on the side of the body,
A marker arm 19 is foldably provided via the marker stay 18. With this marker arm 19,
It is possible to draw a line on the surface of the field so as to aim straight ahead in order to maintain an appropriate space between adjacent lines.

As shown in FIG. 2, the seedling placing table 12 is
Fixed seedling placing section 13a for placing a plurality of rows of seedlings, movable seedling placing section 13b for placing a plurality of rows of seedlings, and an apron for placing and moving these fixed seedling placing section 13a and movable seedling placing section 13b. 15 and. A plurality of the fixed seedling placing portions 13a are arranged in the lateral direction, and further, the movable seedling placing portions 13b are arranged outside the fixed seedling placing portion 13a in the lateral direction,
The movable seedling placing portion 13b is overlapped with the fixed seedling placing portion 13a so that the movable seedling placing portion 13b can be folded (see the folded state in FIG. 1).

As shown in FIG. 3, the fixed seedling placing portion 13
a and a movable seedling placing portion 13b, a seedling conveying portion 16a, which is a conveyor belt for feeding seedlings to the planting device 11, respectively.
16b are mounted, and the seedling conveying section 16a of the fixed seedling placing section 13a and the seedling conveying section 16b of the movable seedling placing section 13b.
And are driven by the drive shaft. In addition, seedling holding guides 17 are attached to the respective seedling placement surfaces of the fixed seedling placement portion 13a and the movable seedling placement portion 13b. A planting device 11 is arranged above the float 10 so that the fixed seedling placing portion 13a and the movable seedling placing portion 13b can be slid sideways along the apron 15.

Next, as shown in FIG. 3 and FIGS. 4 and 5 showing the folded state of the seedling placing table, the movable seedling placing portion 1 is moved.
One end of the movable seedling placing section 1 is provided above and below the back of 3b in the vertical direction.
A pair of link arms 20, 20 rotatably supported by a fulcrum shaft 21 on the lateral outer side of 3b, and rotatably supported by pivots 32, 32 on the other end on the side of the fixed seedling placing portion 13a. Is provided. In addition, on the back surface of the movable seedling mounting portion 13b, the fixing metal fittings 22,
Are attached by bolts 23, 23, and the fixing fittings 22, 22 are connected and reinforced by the fulcrum shaft 21.

On the other hand, on the back surface of the fixed seedling placing portion 13a, metal fittings 25, 25 having an L-shaped cross section are attached by bolts 26, 26 so as to substantially correspond to the fixing metal fittings 22, 22. 25 is connected and reinforced by a stay 24. Guide plates 27, 27 having a U-shaped cross section are attached to both ends of the stay 24, and a side wall of the guide plate 27 has a long hole 30 along the longitudinal direction.
And a guide surface 56 extending in the same direction as the elongated hole 30 is formed on one end surface of the guide plate 27.

The other end of the link arm 20 is sandwiched in the side wall of the guide plate 27 having a U-shaped cross section, and penetrates the other end of the link arm 20 and the side wall of the guide plate 27. So that the pivot 32
Is slidably mounted in the long hole 30. As a result, the link arm 20 is rotatably attached to the guide plate 27 and can be pulled out to the lateral outside of the seedling stand 12 along the long hole 30 of the guide plate 27 via the pivot 32. ing.

The link arm 20 has a pivot 32.
A guide pin 57 is planted on the side close to the guide plate 57, and the guide pin 57 comes into contact with the guide surface 56 of the guide plate 27, so that the elongated hole 30 and the guide surface 56.
The movable seedling placing portion 13b is held substantially horizontally with respect to the fixed seedling placing portion 13a.

On the back surface of the movable seedling placing portion 13b, the movable seedling placing portion 13b and the fixed seedling placing portion 13 which are in a developed state are provided.
A connecting member 33 that connects a and a is provided. The connecting member 33 has a handle on the proximal side, and has a connecting rod 33a provided so as to penetrate both lateral ends of the back surface of the movable seedling placing portion 13b, and a screw portion 33b. The movable seedling placing portion 13b is a nut portion (not shown) on the fixed seedling placing portion 13a side in the expanded state.
The screw portion 33b of the connecting member 33 is screwed into the
As shown in FIG. 3, the vertical middle part and the upper part of the joint 40 are connected by clamp members 44, 44 '.

Further, a supporting member 59 is integrally welded and fixed to the fulcrum shaft 21 provided on the back surface of the movable seedling placing portion 13b, and a grip 60 is attached to the supporting member 59. It is installed. Moreover, this handle 60
Is provided so as to be inclined downward in the lateral direction with respect to the seedling mounting surface, and the folding operation can be easily performed by using this handle 60.

That is, at the time of folding, as shown in FIG. 5, the connection member 33 is pivotally operated to release the screwing of the fixed seedling placing portion 13a and the movable seedling placing portion 13b, and then the grip 60. If you grab and pull out to the outside in the lateral direction, the movable seedling placing portion 13b will be pulled out in the same direction together with the link arm 20, and then the movable seedling placing portion 13b will be rotated about 90 degrees outward (direction of arrow D in FIG. 5). Then, the link arm 20
Is rotated inward (along arrow E in FIG. 5) with the movable seedling placing portion 13b about the pivot 32 by approximately 90 degrees. Finally, the movable seedling placing portion 13b is moved to the standing member 34 by the connecting member 33 or the like. The folding operation can be completed simply by fastening.

Here, in the present invention, when the movable seedling placing portion 13b is in the folded state, the lateral outside portion of the movable seedling placing portion 13b is the lateral outside portion of the machine body 8 and the fixed seedling placing portion. It is characterized in that it is arranged between the outer side portion of 13a in the lateral direction.

That is, as shown in FIG. 6 and FIG.
The lateral outside portion (A surface) of the movable seedling placing portion 13b is the body 8
It is configured so as to be located between the laterally outer side portion (B surface) and the laterally outer side portion (C surface) of the fixed seedling placing portion 13a.
Specifically, an apron 15 for placing and moving the fixed seedling placing portion 13a and the movable seedling placing portion 13b is provided at the lower end portion, and the apron 15 operates the knob 45 to change the bending point 43. A fixed apron 15a and a movable apron 15b can be bent as a center, and the bending point 43 is defined by a lateral outer surface (B) of the fixed apron 15a of the machine body 8.
It is located on the inner side of the surface.

As described above, when folded,
Since the movable seedling placing portion 13b is rotated around the pivot axis (rotation fulcrum) 32 of the link arm 20 and folded, the lateral outside surface (A surface) of the support member 59 in the movable seedling placing portion 13b is fixed, for example. The lateral outer surface (B surface) of the apron 15a and the lateral outer surface (C) of the fixed seedling mounting portion 13a.
It is supposed to be located between the surface).

8 and 9 are views showing the details of the folding structure of the apron 15. The fixed apron 15a and the movable apron 15b are rotatably connected by a connecting plate 47, and the rotating portion thereof is It is fastened by the knob 45. A spring (compression) 48 is interposed between the knob 45 and the connecting plate 47.
This spring 48 prevents the connecting plate 47 from rattling even when the knob 45 is loosened, so that the movable apron 15b can be stably inserted and removed.

With this structure, when the movable seedling placing portion 13b is folded, the link arm 20 is pulled out laterally and then the movable seedling placing portion 13b is moved outward by about 90 degrees, and then the movable seedling placing portion 13b. At the same time, it suffices to rotate the link arm 20 inward by about 90 degrees, and since the link arm 20 is sufficient as a constituent member required for folding, the folding structure of the seedling placing table becomes simple.

As shown in FIGS. 5 to 7, a standing member 34 is erected on the surface side of the fixed seedling mounting portion 13a adjacent to the movable seedling mounting portion 13b, and the L-shaped metal fitting is attached to the standing member 34. A nut portion 34a is provided via 31 and the screw portion 33b of the connecting member 33 is screwed into the nut portion 34a. Similarly, the engaging concave portion 33c provided on the movable seedling placing portion 13b side is engaged with the engaging convex portion 34b provided on the standing member 34. Further, a pressing plate 42 is provided on the upper part of the standing member 34 together with the connecting pipe 46, and the pressing plate 42 is brought into contact with the rib end surface on the side of the movable seedling placing portion 13b, and these screwing portions and engaging portions and The movable seedling placing portion 13b is stably held by the contact portion. In this way, in the folded state of the seedling placing table 12, the fixed seedling placing portion 13a and the movable seedling placing portion 13b are superposed so as to face the same surface in the same direction.

Further, in FIG. 7, the marker arm 19 provided on the side of the seedling placing table 12 is connected to a marker stay 18 projecting from the machine body 8 on the left and right sides, and the marker stay 18 is at a midway portion. The marker stay 18 has a bent portion 37, and an apron guard 28 is attached to an end portion of the marker stay 18.

When folding the movable seedling placing portion 13b, the marker arm 19 and the apron guard 2 are used.
8 is also folded toward the inside of the body, but the marker arm 19
To fold, the marker stay 18 is bent from the bending portion 37 by about 90 degrees, and the marker arm 19 is put in the hook 38 and folded toward the inside of the machine body. The bent portion (rotation fulcrum) 37 of the marker stay 18 at this time is also located inside the lateral left side surface (B surface) of the fixed apron 15a shown in FIG.

As described above, since the bending point 43 of the movable apron 13b and the bending portion 37 of the marker stay 18 are both arranged inside the lateral left side surface (B surface) of the fixed apron 15a, In the folded state, the movable apron 15b, the marker stay 18, and the marker arm 1
The 9 does not project laterally from the airframe.

Next, as shown in FIGS. 10 to 13, when folded, the fixed seedling placing portion 13a and the movable seedling placing portion 13b are separated from the joining portions of the adjacent ribs 53a and 53b. The scraper 52 is attached to the lower end of the rib 53a. When folded, the scraper 52 is left on the fixed seedling placing portion 13a side. On the other hand, a scraper 52, which is separate from the above, is also mounted on the rib 53b on the one lateral side of the movable seedling placing portion 13b, and a stopper 55 for restricting the downward movement of the scraper 52 is provided on the rib 53b. Has been.

Therefore, at the time of folding, the separate scraper 52 is prevented from falling off by the stopper 55, and when changing from the folded state to the expanded state, the separate scraper 52 only has to be fitted to the apron 15. Therefore, the work becomes easy.

The scraper 52 provided on the fixed seedling placing portion 13a side is held by a holding member 54 attached to the rib 53a so as to be vertically movable, and is movable in accordance with the vertical movement of the apron 15. Has become. Thus, the scraper 52 is held by the holding member 54 so as to be vertically movable, so that the folding operation can be easily performed.

FIG. 14 and FIG. 15 are diagrams showing the wiring state of the seedling-less detection sensor wire harness.

As shown in the figure, a main wire harness 96 is arranged from the wiring cable 100 through a connector 99 along the back surface of the fixed seedling placing portion 13a, and the main wire harness 96 is connected to the connector. 101
Via the sub wire harness 97 via the link arm 20.
Are arranged along. The main wire harness 96 and the sub wire harness 97 are connected to the sensor 102 by being stretched while being fastened by wire bands 98 at several points in the middle.

As described above, since the wiring is provided along the link arm 20, the folding work or the like can be smoothly performed without causing any trouble in the folding and unfolding work of the seedling placing table.

Next, the overall operation of the multi-row rice transplanter of this embodiment will be described.

As shown in FIGS. 2 and 3, in order to fold the movable seedling placing portion 13b from the expanded state in which the fixed seedling placing portion 13a and the movable seedling placing portion 13b are arranged in the lateral direction, the handle of the connecting member 33 is used. It is operated to remove the connecting rod 33a from the fixed seedling placing portion 13a. Then, when the grip 60 is grasped and pulled outward in the lateral direction, the link arm 20 has its pivot 32 and the guide pin 57 slide along the long hole 30 and the guide surface 56, as shown in FIG. Either or both of the movable seedling placing portions 13b are pulled out from the fixed seedling placing portion 13a.

Next, the movable seedling placing portion 13b is attached to the fulcrum shaft 21.
When it is rotated outward about the movable seedling placing part 13b
The fixing bracket 22 fixed to the stopper pin (not shown)
Abuts and stops at that position.

Subsequently, as shown in FIG. 5 or 6, the link arm 20 and the movable seedling placing portion 13b are simultaneously rotated inward so that the link arm 20 is erected at a substantially right angle. Then, by operating the handle of the connecting member 33, the screw portion 33b at the tip of the connecting rod 33a is screwed into the nut portion 34a of the standing member 34, and the engaging recessed portion 33c on the movable seedling placing portion 13b side is fixed to the fixed seedling placing portion. The engagement protrusion 34b on the 13a side is engaged. 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 in which the same surface faces the same direction.

At this time, the lateral outside portion (A surface) of the movable seedling placing portion 13b is the lateral outside portion (B surface) of the machine body 8 and the lateral outside portion (C surface) of the fixed seedling placing portion 13a. The movable seedling placing portion 13b, which is located between them, is stably held in the folded state, and the movable seedling placing portion 13b does not extend outside the machine body 8.

[0042]

As described above, according to the present invention, when the movable seedling placing portion is in the folded state, the lateral outside portion of the movable seedling placing portion is the lateral outside portion of the machine body and the fixed seedling placing portion. The lateral width can be reduced by folding the seedling placing table, and the folding structure can be simplified to improve workability.

[Brief description of drawings]

FIG. 1 is a side view of a multi-row rice transplanter with a seedling placing device folded.

FIG. 2 is a plan view of the multi-row rice transplanter with the seedling placing device deployed.

FIG. 3 is a plan view showing a state in which the seedling placing device is deployed.

FIG. 4 is a side view of the seedling placing device in a folded state.

FIG. 5 is a front view of the movable seedling placing portion when folded.

FIG. 6 is a front view of a state in which a movable seedling placing portion is folded.

FIG. 7 is a plan view of a state in which a movable seedling placing portion is folded.

FIG. 8 is a plan view of an apron.

FIG. 9 is a front view of an apron.

FIG. 10 is a side view showing a folded state of the seedling placing device.

FIG. 11 is a plan view of a rib portion at the lower end of the seedling placing table.

FIG. 12 is a front view of FIG. 11.

FIG. 13 is a side view of FIG.

FIG. 14 is a diagram showing a wiring state of the wire harness in a folded state of the seedling placing device.

FIG. 15 is a diagram showing a wiring state of the wire harness when the movable seedling placing portion is folded.

[Explanation of symbols]

 1 Passenger rice transplanter 2 Traveling vehicle 3 Seedling placement device 4 Driver's seat 11 Planting device 13a Fixed seedling placement part 13b Movable seedling placement part 15 Apron 15a Fixed apron 15b Movable apron 18 Marker stay 19 Marker arm 20 Link arm 21 Support shaft 24 Stay 27 Guide plate 30 Long hole 32 Pivot 33 Connecting member 34 Standing member 37 Bending portion 43 Bending point 47 Connecting plate 48 Spring 52 Scrapers 53a, 53b Rib 54 Holding member 55 Stopper 96 Main wire harness 97 Sub wire harness

Claims (2)

[Claims] 1. A plurality of seedling placing portions on which seedlings are placed are arranged in a lateral direction to form a seedling placing base, and at least a movable seedling placing portion located laterally outermost in a deployed state is moved to fix a fixed seedling placing base. In the multi-row rice transplanter capable of being folded into a section, when the movable seedling placing portion is in a folded state, the lateral outer side portion of the movable seedling placing portion is a lateral outer side portion of the machine body and a lateral side of the fixed seedling placing portion. The multi-row rice transplanter is characterized in that it is configured so as to be located between the outer side in the direction. 2. A plurality of seedling placing portions on which seedlings are placed are arranged in a lateral direction to form a seedling placing base, and at least a movable seedling placing portion located on the outermost side in the lateral direction in a deployed state is moved to fix a fixed seedling placing base. The movable apron, which is foldable to the base part and laterally outward in the expanded state and which supports the movable seedling placing part below, is foldable to the fixed apron side inside the body, and further to the side of the body. In the multi-row transplanter capable of folding the drawing marker provided on one side toward the inside of the machine body, the rotation fulcrum of the movable apron and the drawing marker is located inside the lateral outside part of the machine body. The Tajo rice transplanter is characterized by being configured to be located.