JP2022088697A - Riding-type seedling transplanter - Google Patents

Riding-type seedling transplanter Download PDF

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Publication number
JP2022088697A
JP2022088697A JP2020197376A JP2020197376A JP2022088697A JP 2022088697 A JP2022088697 A JP 2022088697A JP 2020197376 A JP2020197376 A JP 2020197376A JP 2020197376 A JP2020197376 A JP 2020197376A JP 2022088697 A JP2022088697 A JP 2022088697A
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Prior art keywords
rotor
leveling
drive shaft
land
rotors
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JP2020197376A
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JP7081649B1 (en
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学 名本
Manabu Namoto
仁史 山崎
Hitoshi Yamazaki
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Iseki and Co Ltd
Iseki Agricultural Machinery Mfg Co Ltd
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Iseki and Co Ltd
Iseki Agricultural Machinery Mfg Co Ltd
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Priority to JP2020197376A priority Critical patent/JP7081649B1/en
Priority to KR1020210127027A priority patent/KR20220074712A/en
Priority to TW110138347A priority patent/TW202220544A/en
Priority to CN202111246636.0A priority patent/CN114557177A/en
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    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01C—PLANTING; SOWING; FERTILISING
    • A01C11/00—Transplanting machines
    • A01C11/02—Transplanting machines for seedlings
    • A01C11/025—Transplanting machines using seedling trays; Devices for removing the seedlings from the trays
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01C—PLANTING; SOWING; FERTILISING
    • A01C11/00—Transplanting machines
    • A01C11/02—Transplanting machines for seedlings
    • A—HUMAN NECESSITIES
    • A01—AGRICULTURE; FORESTRY; ANIMAL HUSBANDRY; HUNTING; TRAPPING; FISHING
    • A01B—SOIL WORKING IN AGRICULTURE OR FORESTRY; PARTS, DETAILS, OR ACCESSORIES OF AGRICULTURAL MACHINES OR IMPLEMENTS, IN GENERAL
    • A01B49/00—Combined machines
    • A01B49/04—Combinations of soil-working tools with non-soil-working tools, e.g. planting tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
    • B60Y2200/00—Type of vehicle
    • B60Y2200/20—Off-Road Vehicles
    • B60Y2200/22—Agricultural vehicles

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  • Life Sciences & Earth Sciences (AREA)
  • Soil Sciences (AREA)
  • Environmental Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Transplanting Machines (AREA)
  • Soil Working Implements (AREA)

Abstract

To provide a riding-type seedling transplanter that enables satisfactory seedling transplanting work by appropriate land-leveling of a field surface to solve the problem of a land-leveling rotor having a configuration in which a center land-leveling rotor is disposed in front of a center float and left and right land-leveling rotors are disposed on both left and right sides of the center float, where appropriate land-leveling of fields of boundaries between the center land-leveling rotor and the left and right land-leveling rotors is impossible.SOLUTION: A riding-type seedling transplanter comprises: a seedling planting part 4 mounted behind a travel vehicle body 2; and a land-leveling rotor 6 provided in front of the seedling planting part 4, the land-leveling rotor constituted by a center land-leveling rotor 6a provided in front of a center float 35 and left and right lateral land-leveling rotors 6b, 6b provided on both left and right sides of the center float 35. An end of the center land-leveling rotor 6a and ends of the left and right lateral land-leveling rotors 6b, 6b are disposed so as to overlap with each other to perform land-leveling of a field surface.SELECTED DRAWING: Figure 2

Description

本発明は、走行車体の後部に苗植付部を装着し、苗植付部の前側に整地ロータを配置した乗用型苗移植機に関する。 The present invention relates to a passenger-type seedling transplanting machine in which a seedling planting portion is attached to the rear portion of a traveling vehicle body and a ground leveling rotor is arranged on the front side of the seedling planting portion.

従来の整地ロータは、苗植付部のセンターフロートの前側に中央整地ロータを配置し、センターフロートの左右両側方に左右整地ロータを配置している。（例えば、特許文献１参照）。 In the conventional leveling rotor, the central leveling rotor is arranged on the front side of the center float of the seedling planting portion, and the left and right leveling rotors are arranged on both the left and right sides of the center float. (See, for example, Patent Document 1).

特開２００９－０６５９７９号公報Japanese Unexamined Patent Publication No. 2009-065979

整地ロータは、センターフロートの前側に中央整地ロータを配置し、センターフロートの左右両側方に左右整地ロータを配置した構成であり、中央整地ロータと左右整地ロータの境目の圃場が適正に整地できないと謂う課題があった。 The leveling rotor has a configuration in which the central leveling rotor is placed on the front side of the center float and the left and right leveling rotors are placed on both the left and right sides of the center float. There was a so-called problem.

本発明は、上記に鑑みてなされたものであって、圃場面を適正に整地して良好な苗移植作業が行なえる乗用型苗移植機を提供することを目的とする。 The present invention has been made in view of the above, and an object of the present invention is to provide a riding type seedling transplanting machine capable of properly leveling a field scene and performing good seedling transplanting work.

請求項１記載の発明は、走行車体２の後側に苗植付部４を装着し、苗植付部４の前側にセンターフロート３５の前側に設けた中央整地ロータ６ａとセンターフロート３５の左右両側に設けた左右側部整地ロータ６ｂ，６ｂで構成される整地ロータ６を設けた乗用型苗移植機において、中央整地ロータ６ａの端部と左右側部整地ロータ６ｂ，６ｂの端部が重複して圃場面を整地するように配置した乗用型苗移植機である。 According to the first aspect of the present invention, the seedling planting portion 4 is mounted on the rear side of the traveling vehicle body 2, and the central leveling rotor 6a and the left and right of the center float 35 provided on the front side of the seedling planting portion 4 on the front side of the center float 35. In a passenger-type seedling transplanter provided with a ground leveling rotor 6 composed of left and right side leveling rotors 6b and 6b provided on both sides, the ends of the central leveling rotor 6a and the ends of the left and right side leveling rotors 6b and 6b overlap. It is a riding type seedling transplanting machine arranged so as to level the field scene.

請求項１記載の発明によれば、中央整地ロータ６ａの端部と左右側部整地ロータ６ｂ，６ｂの端部が重複して圃場面を整地するように配置したので、センターフロート３５前方の中央整地ロータ６ａとセンターフロート３５左右両側の左右側部整地ロータ６ｂ，６ｂによる圃場の未整地部分が少なくなり、圃場面が適正に整地されて良好な苗移植作業が行なえる。 According to the invention according to claim 1, since the end portion of the central ground leveling rotor 6a and the end portions of the left and right side ground leveling rotors 6b and 6b are arranged so as to overlap and level the field scene, the center in front of the center float 35. The ground leveling rotor 6a and the left and right side ground leveling rotors 6b and 6b on the left and right sides of the center float 35 reduce the unleveled part of the field, and the field scene is properly leveled so that good seedling transplanting work can be performed.

請求項２記載の発明は、中央整地ロータ６ａの端部と左右側部整地ロータ６ｂ，６ｂの端部が重複して圃場面を整地する追加ロータ片６３ａ，６３ｂの直径Ｒ１を他のロータ片６３の直径Ｒ２よりも小径にした請求項１に記載の乗用型苗移植機である。 According to the second aspect of the present invention, the diameter R1 of the additional rotor pieces 63a and 63b that overlap the ends of the central leveling rotor 6a and the ends of the left and right side leveling rotors 6b and 6b to level the field scene is used as another rotor piece. The passenger-type seedling transplanting machine according to claim 1, wherein the diameter is smaller than the diameter R2 of 63.

請求項２記載の発明によれば、請求項１記載の発明の作用効果に加えて、中央整地ロータ６ａの端部と左右側部整地ロータ６ｂ，６ｂの端部が重複して圃場面を整地する追加ロータ片６３ａ，６３ｂの直径Ｒ１を他のロータ片６３の直径Ｒ２よりも小径にしたので、整地ロータ６の重複して圃場面を整地する部位が圃場面を極端に掻きまわして軟弱泥面にしてしまうことを回避し、適切な整地が行なえ良好な苗移植作業ができる。 According to the invention of claim 2, in addition to the action and effect of the invention of claim 1, the end of the central leveling rotor 6a and the end of the left and right side leveling rotors 6b, 6b overlap to level the field scene. Since the diameter R1 of the additional rotor pieces 63a and 63b is made smaller than the diameter R2 of the other rotor pieces 63, the overlapping portion of the leveling rotor 6 for leveling the field scene extremely scratches the field scene and soft mud. It is possible to avoid making it a surface, perform appropriate leveling, and perform good seedling transplanting work.

請求項３記載の発明は、左右ロータ伝動ケース６１Ｌ，６１Ｒの前部に前駆動軸６２Ｆを軸支し、該前駆動軸６２Ｆに複数のロータ片６３を一体回転するように装着して中央整地ロータ６ａを構成し、左右ロータ伝動ケース６１Ｌ，６１Ｒの後部に各々左右後駆動軸６２Ｂを左右外側方に突出する状態で設けて、該左右後駆動軸６２Ｂに複数のロータ片６３を一体回転するように装着して左右側部整地ロータ６ｂ，６ｂを構成し、左右ロータ伝動ケース６１Ｌ，６１Ｒの少なくとも何れかの後部に後駆動軸６２Ｂを内側方に突出する状態で設けて、該内側方に突出した後駆動軸６２Ｂに追加ロータ片６３ａを一体回転するように装着した請求項１または請求項２に記載の乗用型苗移植機である。 According to the third aspect of the present invention, a front drive shaft 62F is pivotally supported on the front portions of the left and right rotor transmission cases 61L and 61R, and a plurality of rotor pieces 63 are mounted on the front drive shaft 62F so as to rotate integrally and centrally leveled. The rotor 6a is configured, and the left and right rear drive shafts 62B are provided at the rear portions of the left and right rotor transmission cases 61L and 61R so as to project outward to the left and right, respectively, and a plurality of rotor pieces 63 are integrally rotated on the left and right rear drive shafts 62B. The left and right side surface leveling rotors 6b and 6b are configured in such a manner, and the rear drive shaft 62B is provided in at least one of the left and right rotor transmission cases 61L and 61R in a state of protruding inward, and is provided in the inward direction. The passenger-type seedling transplanting machine according to claim 1 or 2, wherein the additional rotor piece 63a is mounted on the protruding rear drive shaft 62B so as to rotate integrally.

請求項４記載の発明は、左右ロータ伝動ケース６１Ｌ，６１Ｒの前部に前駆動軸６２Ｆを軸支し、該前駆動軸６２Ｆに複数のロータ片６３を一体回転するように装着して中央整地ロータ６ａを構成し、前駆動軸６２Ｆを左右ロータ伝動ケース６１Ｌ，６１Ｒの少なくとも何れかを貫通して外側方に突出して設け、該前駆動軸６２Ｆの突出軸部に追加ロータ片６３ｂを一体回転するように装着した請求項１または請求項２に記載の乗用型苗移植機である。 According to the fourth aspect of the present invention, a front drive shaft 62F is pivotally supported on the front portions of the left and right rotor transmission cases 61L and 61R, and a plurality of rotor pieces 63 are mounted on the front drive shaft 62F so as to rotate integrally to perform central leveling. The rotor 6a is configured, the front drive shaft 62F is provided so as to penetrate at least one of the left and right rotor transmission cases 61L and 61R and project outward, and the additional rotor piece 63b is integrally rotated on the protruding shaft portion of the front drive shaft 62F. The passenger-type seedling transplanting machine according to claim 1 or 2, which is mounted so as to be used.

本発明における第１実施形態の乗用型田植機の側面図である。It is a side view of the passenger type rice transplanter of 1st Embodiment in this invention. 本発明における第１実施形態の要部の平面図である。It is a top view of the main part of 1st Embodiment in this invention. 本発明における第１実施形態の要部の拡大平面図である。It is an enlarged plan view of the main part of 1st Embodiment in this invention. 本発明における第２実施形態の要部の平面図である。It is a top view of the main part of the 2nd Embodiment in this invention.

以下、図面に基づき、本発明の好ましい実施の形態について説明する。 Hereinafter, preferred embodiments of the present invention will be described with reference to the drawings.

＜全体構成＞
図１は、本発明の乗用型苗移植機の典型例である施肥装置を装着した乗用型田植機の側面図である。この施肥装置付き乗用型田植機１は、走行車体２の後側に昇降リンク装置３を介して苗植付部４が昇降可能に装着され、走行車体２の後部上側に施肥装置５の本体部分が設けられている。また、苗植付部４の前部には、整地ロータ６が設けられている。また、走行車体２の前部左右両側には、支持フレームに支持された補給用の苗を載せておく一対の予備苗載台Ｙ，Ｙが設けられている。 <Overall configuration>
FIG. 1 is a side view of a riding-type rice transplanter equipped with a fertilizer application device, which is a typical example of the riding-type seedling transplanting machine of the present invention. In this passenger-type rice transplanter 1 with a fertilizer application device, a seedling planting portion 4 is mounted on the rear side of the traveling vehicle body 2 so as to be able to move up and down via an elevating link device 3, and the main body portion of the fertilizer application device 5 is mounted on the rear upper side of the traveling vehicle body 2. Is provided. Further, a ground leveling rotor 6 is provided at the front portion of the seedling planting portion 4. Further, on both the left and right sides of the front portion of the traveling vehicle body 2, a pair of spare seedling mounting stands Y and Y on which the seedlings for replenishment supported by the support frame are placed are provided.

なお、乗用型苗移植機の前進方向に向かって左右方向をそれぞれ左、右といい、前進方向と後進方向をそれぞれ前、後という。 The left and right directions of the passenger-type seedling transplanter toward the forward direction are referred to as left and right, respectively, and the forward and reverse directions are referred to as front and rear, respectively.

＜走行車体２＞
走行車体２は、駆動輪である左右一対の前輪７，７及び左右一対の後輪８，８を備えた四輪駆動車両であって、機体の前部にミッションケース９が配置され、そのミッションケース９の左右側方に左右前輪ファイナルケース１０，１０が設けられ、該左右前輪ファイナルケース１０，１０の操向方向を変更可能な各々の前輪支持部から外向きに突出する左右前輪車軸に左右前輪７，７が各々取り付けられている。また、ミッションケース９の背面部にメインフレーム１１の前端部が固着されており、そのメインフレーム１１の後端左右中央部に前後水平に設けた後輪ローリング軸を支点にして左右後輪ギヤケース１２，１２がローリング自在に支持され、その左右後輪ギヤケース１２，１２から外向きに突出する左右後輪車軸に左右後輪８，８が取り付けられている。 <Running body 2>
The traveling vehicle body 2 is a four-wheel drive vehicle provided with a pair of left and right front wheels 7 and 7 and a pair of left and right rear wheels 8 and 8, which are driving wheels. Left and right front wheel final cases 10 and 10 are provided on the left and right sides of the case 9, and the left and right front wheel axles project outward from each front wheel support portion whose steering direction of the left and right front wheel final cases 10 and 10 can be changed. Front wheels 7 and 7 are attached respectively. Further, the front end portion of the main frame 11 is fixed to the back surface portion of the mission case 9, and the left and right rear wheel gear cases 12 are provided as fulcrums at the rear wheel rolling shafts provided horizontally in the front and rear at the rear end left and right center portions of the main frame 11. , 12 are freely rolled, and the left and right rear wheels 8 and 8 are attached to the left and right rear wheel axles that project outward from the left and right rear wheel gear cases 12 and 12.

エンジン１３はメインフレーム１１の上に搭載されており、該エンジン１３の回転動力が、ベルト伝動装置１４及びＨＳＴ１５を介してミッションケース９に伝達される。ミッションケース９に伝達された回転動力は、該ケース１２内のトランスミッションにより変速された後、走行動力と外部取出動力に分離して取り出される。 The engine 13 is mounted on the main frame 11, and the rotational power of the engine 13 is transmitted to the mission case 9 via the belt transmission device 14 and the HST 15. The rotational power transmitted to the transmission case 9 is shifted by the transmission in the case 12, and then separated into traveling power and external extraction power and taken out.

そして、走行動力は、一部が左右前輪ファイナルケース１０，１０に伝達されて左右前輪７，７を駆動すると共に、残りが左右後輪ギヤケース１２，１２に伝達されて左右後輪８，８を駆動する。 A part of the running power is transmitted to the left and right front wheel final cases 10 and 10 to drive the left and right front wheels 7 and 7, and the rest is transmitted to the left and right rear wheel gear cases 12 and 12 to drive the left and right rear wheels 8 and 8. Drive.

また、外部取出動力は、走行車体２の後部に設けた植付クラッチケース１６に伝達され、それから植付伝動軸１７によって苗植付部４へ伝動されるとともに、施肥伝動機構によって施肥装置５へ伝動される。 Further, the external extraction power is transmitted to the planting clutch case 16 provided at the rear of the traveling vehicle body 2, then transmitted to the seedling planting portion 4 by the planting transmission shaft 17, and to the fertilizer application device 5 by the fertilization transmission mechanism. Be transmitted.

また、左後輪ギヤケース１２から駆動力が取り出されて、整地ロータ駆動軸１８により、整地ロータ６に伝動される。 Further, the driving force is taken out from the left rear wheel gear case 12 and transmitted to the leveling rotor 6 by the leveling rotor drive shaft 18.

エンジン１３の上部はエンジンカバー１９で覆われており、その上に座席２０が設置されている。座席２０の前方には各種操作機構を内蔵するフロントカバー２１があり、その上方に前輪７，７を操向操作するハンドル２２が設けられている。エンジンカバー１９及びフロントカバー２１の下端左右両側は水平状のフロアステップ２３になっている。フロアステップ２３は一部格子状になっており、該ステップ２３を歩く作業者の靴についた泥が圃場に落下するようになっている。フロアステップ２３上の後部は、後輪フェンダを兼ねるリヤステップ２４となっている。 The upper part of the engine 13 is covered with an engine cover 19, and a seat 20 is installed on the engine cover 19. In front of the seat 20, there is a front cover 21 having various operation mechanisms built-in, and above the front cover 21, a handle 22 for steering and operating the front wheels 7 and 7 is provided. The left and right sides of the lower ends of the engine cover 19 and the front cover 21 are horizontal floor steps 23. The floor steps 23 are partially in a grid pattern, and mud on the shoes of workers walking on the floor steps 23 falls into the field. The rear part on the floor step 23 is a rear step 24 that also serves as a rear wheel fender.

昇降リンク装置３は平行リンク構成であって、１本の上リンク２５と左右一対の下リンク２６，２６を備えている。これらリンク２５，２６，２６は、その基部側がメインフレーム１１の後端部に立設した背面視門形のリンクベースフレーム２７に回動自在に取り付けられ、その先端側に縦リンク２８が連結されている。そして、縦リンク２８の下端部に苗植付部４に回転自在に支承された連結軸２９が挿入連結され、連結軸２９を中心として苗植付部４がローリング自在に連結されている。メインフレーム１１に固着した支持部材と上リンク２５に一体形成したスイングアーム（図示せず）の先端部との間に昇降油圧シリンダ３０が設けられており、該シリンダ３０を油圧で伸縮させることにより、上リンク２５が上下に回動し、苗植付部４がほぼ一定姿勢のまま昇降する。 The elevating link device 3 has a parallel link configuration, and includes one upper link 25 and a pair of left and right lower links 26, 26. These links 25, 26, and 26 are rotatably attached to a rear gate-shaped link base frame 27 whose base side is erected at the rear end of the main frame 11, and a vertical link 28 is connected to the tip side thereof. ing. A connecting shaft 29 rotatably supported by the seedling planting portion 4 is inserted and connected to the lower end of the vertical link 28, and the seedling planting portion 4 is rotatably connected around the connecting shaft 29. An elevating hydraulic cylinder 30 is provided between the support member fixed to the main frame 11 and the tip of a swing arm (not shown) integrally formed on the upper link 25, and the cylinder 30 is hydraulically expanded and contracted. , The upper link 25 rotates up and down, and the seedling planting portion 4 moves up and down while maintaining a substantially constant posture.

＜苗植付部４＞
苗植付部４は４条植の構成で、フレームを兼ねる植付伝動ケース３１、マット苗を載せて左右往復動し苗を一株分ずつ各条の苗取出口に供給するとともに横一列分の苗を全て苗取出口に供給する苗送りベルト３２ａにより苗を下方に移送する苗載台３２、苗取出口に供給された苗を圃場に植付ける苗植付装置３３、次行程における機体進路を表土面に線引きする左右一対の線引きマーカ３４等を備えている。 <Sapling planting section 4>
The seedling planting section 4 has a four-row planting structure, in which a planting transmission case 31 that also serves as a frame and mat seedlings are placed and reciprocated left and right to supply seedlings one by one to the seedling outlet of each row and for one horizontal row. Seedling stand 32 that transfers seedlings downward by the seedling feeding belt 32a that supplies all the seedlings to the seedling outlet, seedling planting device 33 that plants the seedlings supplied to the seedling outlet to the field, It is provided with a pair of left and right line drawing markers 34 and the like for drawing a line on the topsoil surface.

苗植付部４の下部には中央にセンターフロート３５、その左右両側にサイドフロート３６，３６が設けられている。これらフロート３５，３６，３６を圃場の泥面に接地させた状態で機体を進行させると、フロート３５，３６，３６が泥面を整地しつつ滑走し、その整地跡に苗植付装置３３により苗が植付けられる。各フロート３５，３６，３６は圃場表土面の凹凸に応じて前端側が上下動するように回動自在に取り付けられており、植付作業時にはセンターフロート３５の前部の上下動が迎角制御センサ（図示せず）により検出され、その検出結果に応じ前記昇降油圧シリンダ３０を制御する油圧バルブを切り替えて苗植付部４を昇降させることにより、苗の植付深さを常に一定に維持する。 A center float 35 is provided in the center of the lower part of the seedling planting portion 4, and side floats 36 and 36 are provided on both left and right sides thereof. When the aircraft is advanced with these floats 35, 36, 36 grounded on the mud surface of the field, the floats 35, 36, 36 slide while leveling the mud surface, and the seedling planting device 33 slides on the ground leveling trace. Seedlings are planted. The floats 35, 36, and 36 are rotatably attached so that the front end side moves up and down according to the unevenness of the topsoil surface of the field, and the vertical movement of the front part of the center float 35 is the angle of attack control sensor during planting work. The seedling planting depth is always maintained constant by switching the hydraulic valve that controls the elevating hydraulic cylinder 30 and raising and lowering the seedling planting unit 4 according to the detection result (not shown). ..

＜施肥装置５＞
施肥装置５は、肥料ホッパ３８に貯留されている粒状の肥料を繰出部３９によって一定量ずつ繰り出し、その肥料を施肥ホース４０でフロート３５，３６，３６に取り付けた施肥ガイド４１まで導き、施肥ガイド４１の前側に設けた作溝体４２によって苗植付条の側部近傍に形成される施肥構内に落とし込むようになっている。ブロア用電動モータ４３で駆動するブロア４４で発生させたエアが、左右方向に長いエアチャンバ４５を経由して施肥ホース４０に吹き込まれ、施肥ホース４０内の肥料を風圧で強制的に搬送するようになっている。 <Fertilizer application device 5>
The fertilizer application device 5 dispenses the granular fertilizer stored in the fertilizer hopper 38 in a fixed amount by the feeding unit 39, guides the fertilizer to the fertilizer guide 41 attached to the floats 35, 36, 36 by the fertilizer hose 40, and guides the fertilizer. The groove body 42 provided on the front side of the 41 is designed to drop into the fertilizer application structure formed in the vicinity of the side portion of the seedling planting strip. The air generated by the blower 44 driven by the electric motor 43 for the blower is blown into the fertilizer hose 40 via the air chamber 45 long in the left-right direction, and the fertilizer in the fertilizer hose 40 is forcibly conveyed by wind pressure. It has become.

＜整地ロータ６＞
苗植付部４の前部には、植付伝動ケース３１に基部を固定した支持フレーム４６に支持された整地ロータ６が設けられている。 <Leveling rotor 6>
At the front of the seedling planting portion 4, a ground leveling rotor 6 supported by a support frame 46 having a base fixed to the planting transmission case 31 is provided.

整地ロータ６は、センターフロート３５の前方に設けられてセンターフロート３５の前方圃場面を整地する中央整地ロータ６ａとセンターフロート３５の左右両側で左右サイドフロート３６，３６の前方に設けられて左右サイドフロート３６，３６の前方圃場面即ち左右後輪８，８の車輪跡を整地する左右側部整地ロータ６ｂ，６ｂで構成される。 The leveling rotor 6 is provided in front of the center float 35 and is provided in front of the left and right side floats 36 and 36 on both the left and right sides of the central leveling rotor 6a and the center float 35 to level the field scene in front of the center float 35. It is composed of left and right side leveling rotors 6b and 6b for leveling the front field scene of the floats 36 and 36, that is, the wheel traces of the left and right rear wheels 8 and 8.

支持フレーム４６に基部が固定された左右ロータ支持フレーム６０Ｌ，６０Ｒに各々支持された左右ロータ伝動ケース６１Ｌ，６１Ｒの前部に前駆動軸６２Ｆを軸支し、該前駆動軸６２Ｆに５個のロータ片６３を一体回転するように装着して中央整地ロータ６ａを構成している。 The front drive shaft 62F is pivotally supported on the front of the left and right rotor transmission cases 61L and 61R supported by the left and right rotor support frames 60L and 60R whose bases are fixed to the support frame 46, and five are supported on the front drive shaft 62F. The rotor piece 63 is mounted so as to rotate integrally to form the central leveling rotor 6a.

そして、左ロータ伝動ケース６１Ｌの後部に左後駆動軸６２Ｂを左外側方に突出する状態で設けて左ロータ支持フレーム６０Ｌの端部に設けた軸支部６４で回転自在に支持して、該左後駆動軸６２Ｂに４個のロータ片６３を一体回転するように装着して左側部整地ロータ６ｂを構成している。 Then, the left rear drive shaft 62B is provided at the rear of the left rotor transmission case 61L in a state of projecting to the left outer side, and is rotatably supported by the shaft support portion 64 provided at the end of the left rotor support frame 60L, and the left. Four rotor pieces 63 are mounted on the rear drive shaft 62B so as to rotate integrally to form the left side leveling rotor 6b.

また、右ロータ伝動ケース６１Ｒの後部に右後駆動軸６２Ｂを内側方と外側方に突出する状態で設けて右ロータ支持フレーム６０Ｒの端部に設けた軸支部６４で回転自在に支持して、内側方に突出した右後駆動軸６２Ｂに１個の追加ロータ片としての内側ロータ片６３ａを一体回転するように装着し、右外側方に突出した右後駆動軸６２Ｂに５個のロータ片６３を一体回転するように装着して右側部整地ロータ６ｂを構成している。 Further, the right rear drive shaft 62B is provided at the rear of the right rotor transmission case 61R in a state of protruding inward and outward, and is rotatably supported by a shaft support portion 64 provided at the end of the right rotor support frame 60R. The inner rotor piece 63a as one additional rotor piece is mounted on the right rear drive shaft 62B protruding inward so as to rotate integrally, and the five rotor pieces 63 are mounted on the right rear drive shaft 62B protruding right outward. Is mounted so as to rotate integrally to form a right side ground leveling rotor 6b.

そして、右側部整地ロータ６ｂの右ロータ伝動ケース６１Ｒ内側方に突出した右後駆動軸６２Ｂに装着した内側ロータ片６３ａは、中央整地ロータ６ａで整地した圃場面を重複して整地作用するように中央整地ロータ６ａの後方位置に正面視で重複して配置されている。 Then, the inner rotor piece 63a attached to the right rear drive shaft 62B protruding inward of the right rotor transmission case 61R of the right side ground leveling rotor 6b so as to overlap the field scenes leveled by the central leveling rotor 6a. They are overlapped with each other in front view at the rear position of the central leveling rotor 6a.

また、内側ロータ片６３ａの直径Ｒ１は、他のロータ片６３の直径Ｒ２よりも小径に構成されている。 Further, the diameter R1 of the inner rotor piece 63a is configured to have a smaller diameter than the diameter R2 of the other rotor pieces 63.

従って、右側部整地ロータ６ｂの内側ロータ片６３ａが中央整地ロータ６ａの後方位置に正面視で重複して配置されているので、センターフロート３５前方の中央整地ロータ６ａとセンターフロート３５左右両側の左右側部整地ロータ６ｂ，６ｂによる圃場の未整地部分が少なくなり、然も、内側ロータ片６３ａの直径Ｒ１が他のロータ片６３の直径Ｒ２よりも小径なので、中央整地ロータ６ａで整地した圃場面を極端に掻きまわして軟弱泥面にしてしまうことも回避できて、適切な整地が行なえ良好な苗移植作業ができる。 Therefore, since the inner rotor pieces 63a of the right side leveling rotor 6b are overlapped with each other in the rear position of the central leveling rotor 6a in front view, the central leveling rotor 6a in front of the center float 35 and the left and right sides of the center float 35 are left and right. Since the unleveled portion of the field by the side leveling rotors 6b and 6b is reduced and the diameter R1 of the inner rotor piece 63a is smaller than the diameter R2 of the other rotor pieces 63, the field scene prepared by the central leveling rotor 6a. It is possible to avoid extremely scratching the surface to make it a soft muddy surface, and it is possible to perform appropriate leveling and perform good seedling transplanting work.

整地ロータ６の駆動系は、左後輪ギヤケース１２から駆動力が取り出された整地ロータ駆動軸１８により、左ロータ伝動ケース６１Ｌの後部に伝動される。そして、左ロータ伝動ケース６１Ｌ後部内で整地ロータ駆動軸１８が左後駆動軸６２Ｂを一対の左後ベベルギア６５にて駆動回転し、該左後駆動軸６２Ｂ右端部に設けた左後駆動スプロケット６６ＬＢと前駆動軸６２Ｆ左端部に設けた左前従動スプロケット６６ＬＦに左伝動チェン６６ＬＣを巻回して前駆動軸６２Ｆを駆動回転する。 The drive system of the leveling rotor 6 is transmitted to the rear part of the left rotor transmission case 61L by the leveling rotor drive shaft 18 from which the driving force is taken out from the left rear wheel gear case 12. Then, the ground leveling rotor drive shaft 18 drives and rotates the left rear drive shaft 62B with a pair of left rear bevel gears 65 in the rear portion of the left rotor transmission case 61L, and the left rear drive sprocket 66LB provided at the right end portion of the left rear drive shaft 62B. The left front drive chain 66LC is wound around the left front driven sprocket 66LF provided at the left end of the front drive shaft 62F to drive and rotate the front drive shaft 62F.

また、前駆動軸６２Ｆ右端部に設けた右前駆動スプロケット６６ＲＦと右後駆動軸６２Ｂ左端部に設けた右後従動スプロケット６６ＲＢに右伝動チェン６６ＲＣを巻回して右後駆動軸６２Ｂを駆動回転する。 Further, the right rear drive chain 66RC is wound around the right front drive sprocket 66RF provided at the right end of the front drive shaft 62F and the right rear driven sprocket 66RB provided at the left end of the right rear drive shaft 62B to drive and rotate the right rear drive shaft 62B.

＜他の実施形態＞ <Other embodiments>

（１）第１実施形態では、右ロータ伝動ケース６１Ｒの後部に右後駆動軸６２Ｂを内側方と外側方に突出する状態で設けて内側方に突出した右後駆動軸６２Ｂに１個の内側ロータ片６３ａを一体回転するように装着して、中央整地ロータ６ａで整地した圃場面を重複して整地作用するように構成したが、左ロータ伝動ケース６１Ｌの後部に左後駆動軸６２Ｂを内側方と外側方に突出する状態で設けて内側方に突出した左後駆動軸６２Ｂに１個の内側ロータ片６３ａを一体回転するように装着して、中央整地ロータ６ａで整地した圃場面を重複して整地作用するように構成しても良い。 (1) In the first embodiment, the right rear drive shaft 62B is provided at the rear of the right rotor transmission case 61R in a state of protruding inward and outward, and one inside of the right rear drive shaft 62B protruding inward. The rotor piece 63a was mounted so as to rotate integrally, and the field scenes leveled by the central leveling rotor 6a were configured to overlap and level the ground, but the left rear drive shaft 62B was inside the rear part of the left rotor transmission case 61L. One inner rotor piece 63a is mounted so as to rotate integrally with the left rear drive shaft 62B which is provided so as to project outward and outward, and the field scenes leveled by the central leveling rotor 6a overlap. It may be configured to have a leveling action.

（２）左右側部整地ロータ６ｂ，６ｂの両方に各々内側ロータ片６３ａを一体回転するように装着して、中央整地ロータ６ａで整地した圃場面を重複して整地作用するように構成しても良い。 (2) The inner rotor pieces 63a are mounted on both the left and right side leveling rotors 6b and 6b so as to rotate integrally, and the field scenes leveled by the central leveling rotor 6a are configured to overlap the ground leveling action. Is also good.

（３）図４は、中央整地ロータ６ａに右側部整地ロータ６ｂと重複して整地する追加ロータ片６３ｂを設けた第２実施形態を示す。 (3) FIG. 4 shows a second embodiment in which the central leveling rotor 6a is provided with an additional rotor piece 63b that overlaps with the right side leveling rotor 6b to level the ground.

即ち、中央整地ロータ６ａの前駆動軸６２Ｆが右ロータ伝動ケース６１Ｒを貫通して右外側方に突出して設けられており、該前駆動軸６２Ｆの突出軸部に追加ロータ片６３ｂを一体回転するように装着している。 That is, the front drive shaft 62F of the central leveling rotor 6a is provided so as to penetrate the right rotor transmission case 61R and project to the right outer side, and the additional rotor piece 63b is integrally rotated with the protruding shaft portion of the front drive shaft 62F. It is attached like this.

そして、該追加ロータ片６３ｂの直径Ｒ１は、他のロータ片６３の直径Ｒ２よりも小径に構成されていて、右側部整地ロータ６ｂの前方位置に正面視で重複して配置されている。 The diameter R1 of the additional rotor piece 63b is configured to have a smaller diameter than the diameter R2 of the other rotor pieces 63, and is vertically overlapped with each other at the front position of the right side leveling rotor 6b.

従って、中央整地ロータ６ａの追加ロータ片６３ｂが右側部整地ロータ６ｂの前方位置に正面視で重複して配置されているので、センターフロート３５前方の中央整地ロータ６ａとセンターフロート３５左右両側の左右側部整地ロータ６ｂ，６ｂによる圃場の未整地部分が少なくなり、然も、追加ロータ片６３ｂの直径Ｒ１は、他のロータ片６３の直径Ｒ２よりも小径なので、整地ロータ６が圃場面を極端に掻きまわして軟弱泥面にしてしまうことも回避できて、適切な整地が行なえ良好な苗移植作業ができる。 Therefore, since the additional rotor piece 63b of the central leveling rotor 6a is overlapped in the front position of the right side leveling rotor 6b in front view, the central leveling rotor 6a in front of the center float 35 and the left and right sides of the center float 35 are left and right. Since the unleveled portion of the field by the side leveling rotors 6b and 6b is reduced and the diameter R1 of the additional rotor piece 63b is smaller than the diameter R2 of the other rotor pieces 63, the leveling rotor 6 is extremely extreme in the field scene. It is possible to avoid scratching the surface to make it a soft mud surface, and it is possible to perform appropriate leveling and perform good seedling transplanting work.

（４）中央整地ロータ６ａに左側部整地ロータ６ｂと重複して整地する追加ロータ片６３ｂを設けても良いし、中央整地ロータ６ａに左右側部整地ロータ６ｂ，６ｂと各々重複して整地する左右追加ロータ片６３ｂ，６３ｂを設けても良い。 (4) The central leveling rotor 6a may be provided with an additional rotor piece 63b that overlaps with the left side leveling rotor 6b, or the central leveling rotor 6a overlaps with the left and right side leveling rotors 6b and 6b, respectively. Left and right additional rotor pieces 63b and 63b may be provided.

２ 走行車体
４ 苗植付部
６ 整地ロータ
６ａ 中央整地ロータ
６ｂ 側部整地ロータ
３５ センターフロート
６１Ｌ 左ロータ伝動ケース
６１Ｒ 右ロータ伝動ケース
６２Ｆ 前駆動軸
６２Ｂ 後駆動軸
６３ ロータ片
６３ａ 追加ロータ片（内側ロータ片）
６３ｂ 追加ロータ片 2 Traveling vehicle body 4 Seedling planting part 6 Ground leveling rotor 6a Central leveling rotor 6b Side leveling rotor 35 Center float 61L Left rotor transmission case 61R Right rotor transmission case 62F Front drive shaft 62B Rear drive shaft 63 Rotor piece 63a Additional rotor piece (inside) Rotor piece)
63b Additional rotor piece

第１の本発明は、走行車体（２）の後側に苗植付部（４）を装着し、苗植付部（４）の前側にセンターフロート（３５）の前側に設けた中央整地ロータ（６ａ）とセンターフロート（３５）の左右両側に設けた左右側部整地ロータ（６ｂ，６ｂ）で構成される整地ロータ（６）を設けた乗用型苗移植機において、中央整地ロータ（６ａ）の端部と左右側部整地ロータ（６ｂ，６ｂ）の端部が重複して圃場面を整地するように配置し、
左右ロータ伝動ケース（６１Ｌ，６１Ｒ）の前部に前駆動軸（６２Ｆ）を軸支し、該前駆動軸（６２Ｆ）に複数のロータ片（６３）を一体回転するように装着して中央整地ロータ（６ａ）を構成し、前駆動軸（６２Ｆ）を左右ロータ伝動ケース（６１Ｌ，６１Ｒ）の少なくとも何れかを貫通して外側方に突出して設け、該前駆動軸（６２Ｆ）の突出軸部に追加ロータ片（６３ｂ）を一体回転するように装着したことを特徴とする乗用型苗移植機である。
第２の本発明は、中央整地ロータ（６ａ）の端部と左右側部整地ロータ（６ｂ，６ｂ）の端部が重複して圃場面を整地する追加ロータ片（６３ａ，６３ｂ）の直径（Ｒ１）を他のロータ片（６３）の直径（Ｒ２）よりも小径にしたことを特徴とする第１の本発明の乗用型苗移植機である。
第３の本発明は、左右ロータ伝動ケース（６１Ｌ，６１Ｒ）の前部に前駆動軸（６２Ｆ）を軸支し、該前駆動軸（６２Ｆ）に複数のロータ片（６３）を一体回転するように装着して中央整地ロータ（６ａ）を構成し、左右ロータ伝動ケース（６１Ｌ，６１Ｒ）の後部に各々左右後駆動軸（６２Ｂ）を左右外側方に突出する状態で設けて、該左右後駆動軸（６２Ｂ）に複数のロータ片（６３）を一体回転するように装着して左右側部整地ロータ（６ｂ，６ｂ）を構成し、左右ロータ伝動ケース（６１Ｌ，６１Ｒ）の少なくとも何れかの後部に後駆動軸（６２Ｂ）を内側方に突出する状態で設けて、該内側方に突出した後駆動軸（６２Ｂ）に追加ロータ片（６３ａ）を一体回転するように装着したことを特徴とする第１または第２の本発明の乗用型苗移植機である。
本発明によれば、中央整地ロータ６ａの端部と左右側部整地ロータ６ｂ，６ｂの端部が重複して圃場面を整地するように配置したので、センターフロート３５前方の中央整地ロータ６ａとセンターフロート３５左右両側の左右側部整地ロータ６ｂ，６ｂによる圃場の未整地部分が少なくなり、圃場面が適正に整地されて良好な苗移植作業が行なえる。
本発明に関連する第１の発明は、走行車体２の後側に苗植付部４を装着し、苗植付部４の前側にセンターフロート３５の前側に設けた中央整地ロータ６ａとセンターフロート３５の左右両側に設けた左右側部整地ロータ６ｂ，６ｂで構成される整地ロータ６を設けた乗用型苗移植機において、中央整地ロータ６ａの端部と左右側部整地ロータ６ｂ，６ｂの端部が重複して圃場面を整地するように配置した乗用型苗移植機である。 In the first invention, the seedling planting portion (4) is mounted on the rear side of the traveling vehicle body (2), and the central leveling rotor provided on the front side of the seedling planting portion (4) on the front side of the center float (35). In a passenger-type seedling transplanting machine provided with a ground leveling rotor (6) composed of left and right side leveling rotors (6b, 6b) provided on both the left and right sides of the center float (6a) and the center float (35), the central leveling rotor (6a). The ends of the ground leveling rotors (6b, 6b) on the left and right sides overlap each other so that the field scene is leveled.
A front drive shaft (62F) is pivotally supported at the front of the left and right rotor transmission cases (61L, 61R), and a plurality of rotor pieces (63) are mounted on the front drive shaft (62F) so as to rotate integrally and the center is leveled. The rotor (6a) is configured, and the front drive shaft (62F) is provided so as to penetrate at least one of the left and right rotor transmission cases (61L, 61R) and project outward, and the protruding shaft portion of the front drive shaft (62F) is provided. It is a riding type seedling transplanting machine characterized in that an additional rotor piece (63b) is mounted so as to rotate integrally with the above.
In the second invention, the diameter of the additional rotor piece (63a, 63b) for leveling the field scene where the end of the central leveling rotor (6a) and the end of the left and right side leveling rotors (6b, 6b) overlap. The first passenger-type seedling transplanting machine of the present invention, characterized in that R1) has a smaller diameter than the diameter (R2) of another rotor piece (63).
In the third aspect of the present invention, the front drive shaft (62F) is pivotally supported on the front portion of the left and right rotor transmission cases (61L, 61R), and a plurality of rotor pieces (63) are integrally rotated on the front drive shaft (62F). The left and right rear drive shafts (62B) are provided at the rear of the left and right rotor transmission cases (61L, 61R) so as to project to the left and right outwards to form the central ground leveling rotor (6a). A plurality of rotor pieces (63) are mounted on the drive shaft (62B) so as to rotate integrally to form left and right side leveling rotors (6b, 6b), and at least one of the left and right rotor transmission cases (61L, 61R). The rear drive shaft (62B) is provided in a state of protruding inward, and the additional rotor piece (63a) is mounted on the rear drive shaft (62B) protruding inward so as to rotate integrally. The first or second passenger-type seedling transplanting machine of the present invention.
According to the present invention, the end of the central leveling rotor 6a and the ends of the left and right side leveling rotors 6b and 6b are arranged so as to overlap and level the field scene. The left and right side leveling rotors 6b and 6b on the left and right sides of the center float 35 reduce the amount of unprepared land in the field, and the field scene is properly leveled so that good seedling transplanting work can be performed.
In the first invention related to the present invention, a seedling planting portion 4 is mounted on the rear side of the traveling vehicle body 2, and a central leveling rotor 6a and a center float provided on the front side of the seedling planting portion 4 on the front side of the center float 35. In a passenger-type seedling transplanting machine provided with a ground leveling rotor 6 composed of left and right side leveling rotors 6b and 6b provided on both the left and right sides of 35, the end of the central leveling rotor 6a and the ends of the left and right side leveling rotors 6b and 6b. It is a passenger-type seedling transplanter that is arranged so that the parts overlap and the field scene is leveled.

本発明に関連する第１の発明によれば、中央整地ロータ６ａの端部と左右側部整地ロータ６ｂ，６ｂの端部が重複して圃場面を整地するように配置したので、センターフロート３５前方の中央整地ロータ６ａとセンターフロート３５左右両側の左右側部整地ロータ６ｂ，６ｂによる圃場の未整地部分が少なくなり、圃場面が適正に整地されて良好な苗移植作業が行なえる。 According to the first invention related to the present invention, the end of the central leveling rotor 6a and the ends of the left and right side leveling rotors 6b and 6b are arranged so as to overlap and level the field scene, so that the center float 35 The front central leveling rotor 6a and the left and right side surface leveling rotors 6b and 6b on both the left and right sides of the center float 35 reduce the amount of unleveled land in the field, and the field scene is properly leveled so that good seedling transplanting work can be performed.

本発明に関連する第２の発明は、中央整地ロータ６ａの端部と左右側部整地ロータ６ｂ，６ｂの端部が重複して圃場面を整地する追加ロータ片６３ａ，６３ｂの直径Ｒ１を他のロータ片６３の直径Ｒ２よりも小径にした本発明に関連する第１の発明の乗用型苗移植機である。 The second invention related to the present invention includes the diameter R1 of the additional rotor pieces 63a and 63b that overlap the ends of the central leveling rotor 6a and the ends of the left and right side leveling rotors 6b and 6b to level the field scene. This is a passenger-type seedling transplanting machine of the first invention related to the present invention, in which the diameter of the rotor piece 63 is smaller than that of R2.

本発明に関連する第２の発明によれば、本発明に関連する第１の発明の作用効果に加えて、中央整地ロータ６ａの端部と左右側部整地ロータ６ｂ，６ｂの端部が重複して圃場面を整地する追加ロータ片６３ａ，６３ｂの直径Ｒ１を他のロータ片６３の直径Ｒ２よりも小径にしたので、整地ロータ６の重複して圃場面を整地する部位が圃場面を極端に掻きまわして軟弱泥面にしてしまうことを回避し、適切な整地が行なえ良好な苗移植作業ができる。 According to the second invention related to the present invention, in addition to the action and effect of the first invention related to the present invention, the end of the central leveling rotor 6a and the end of the left and right side leveling rotors 6b and 6b overlap. Since the diameter R1 of the additional rotor pieces 63a and 63b for leveling the field scene is made smaller than the diameter R2 of the other rotor pieces 63, the overlapping portion of the ground leveling rotor 6 for leveling the field scene makes the field scene extremely. It is possible to prevent the surface from being scratched to a soft muddy surface, to perform appropriate leveling, and to carry out good seedling transplanting work.

本発明に関連する第３の発明は、左右ロータ伝動ケース６１Ｌ，６１Ｒの前部に前駆動軸６２Ｆを軸支し、該前駆動軸６２Ｆに複数のロータ片６３を一体回転するように装着して中央整地ロータ６ａを構成し、左右ロータ伝動ケース６１Ｌ，６１Ｒの後部に各々左右後駆動軸６２Ｂを左右外側方に突出する状態で設けて、該左右後駆動軸６２Ｂに複数のロータ片６３を一体回転するように装着して左右側部整地ロータ６ｂ，６ｂを構成し、左右ロータ伝動ケース６１Ｌ，６１Ｒの少なくとも何れかの後部に後駆動軸６２Ｂを内側方に突出する状態で設けて、該内側方に突出した後駆動軸６２Ｂに追加ロータ片６３ａを一体回転するように装着した本発明に関連する第１または第２の発明の乗用型苗移植機である。 In the third aspect of the present invention, the front drive shaft 62F is pivotally supported on the front portions of the left and right rotor transmission cases 61L and 61R, and a plurality of rotor pieces 63 are mounted on the front drive shaft 62F so as to rotate integrally. The central ground leveling rotor 6a is formed, and the left and right rear drive shafts 62B are provided at the rear portions of the left and right rotor transmission cases 61L and 61R so as to project outward to the left and right, and a plurality of rotor pieces 63 are provided on the left and right rear drive shafts 62B. The left and right side ground leveling rotors 6b and 6b are configured by being mounted so as to rotate integrally, and the rear drive shaft 62B is provided in at least one of the left and right rotor transmission cases 61L and 61R in a state of protruding inward. It is a passenger-type seedling transplanting machine of the first or second invention related to the present invention, in which an additional rotor piece 63a is mounted on a rear drive shaft 62B protruding inward so as to rotate integrally.

本発明に関連する第４の発明は、左右ロータ伝動ケース６１Ｌ，６１Ｒの前部に前駆動軸６２Ｆを軸支し、該前駆動軸６２Ｆに複数のロータ片６３を一体回転するように装着して中央整地ロータ６ａを構成し、前駆動軸６２Ｆを左右ロータ伝動ケース６１Ｌ，６１Ｒの少なくとも何れかを貫通して外側方に突出して設け、該前駆動軸６２Ｆの突出軸部に追加ロータ片６３ｂを一体回転するように装着した本発明に関連する第１または第２の発明の乗用型苗移植機である。 In the fourth aspect of the present invention, the front drive shaft 62F is pivotally supported on the front portions of the left and right rotor transmission cases 61L and 61R, and a plurality of rotor pieces 63 are mounted on the front drive shaft 62F so as to rotate integrally. The central leveling rotor 6a is formed, and the front drive shaft 62F is provided so as to penetrate at least one of the left and right rotor transmission cases 61L and 61R and project outward, and an additional rotor piece 63b is provided on the protruding shaft portion of the front drive shaft 62F. It is a passenger-type seedling transplanting machine of the first or second invention related to the present invention, which is mounted so as to rotate integrally.

第１の本発明は、走行車体（２）の後側に苗植付部（４）を装着し、苗植付部（４）の前側にセンターフロート（３５）の前側に設けた中央整地ロータ（６ａ）とセンターフロート（３５）の左右両側に設けた左右側部整地ロータ（６ｂ，６ｂ）で構成される整地ロータ（６）を設けた乗用型苗移植機において、中央整地ロータ（６ａ）の端部と左右側部整地ロータ（６ｂ，６ｂ）の端部が重複して圃場面を整地するように配置し、
左右ロータ伝動ケース（６１Ｌ，６１Ｒ）の前部に前駆動軸（６２Ｆ）を軸支し、該前駆動軸（６２Ｆ）に複数のロータ片（６３）を一体回転するように装着して中央整地ロータ（６ａ）を構成し、前駆動軸（６２Ｆ）を左右ロータ伝動ケース（６１Ｌ，６１Ｒ）の少なくとも何れかを貫通して外側方に突出して設け、該前駆動軸（６２Ｆ）の突出軸部に追加ロータ片（６３ｂ）を一体回転するように装着したことを特徴とする乗用型苗移植機である。
第２の本発明は、中央整地ロータ（６ａ）の端部と左右側部整地ロータ（６ｂ，６ｂ）の端部が重複して圃場面を整地する追加ロータ片（６３ａ，６３ｂ）の直径（Ｒ１）を他のロータ片（６３）の直径（Ｒ２）よりも小径にしたことを特徴とする第１の本発明の乗用型苗移植機である。
本発明によれば、中央整地ロータ６ａの端部と左右側部整地ロータ６ｂ，６ｂの端部が重複して圃場面を整地するように配置したので、センターフロート３５前方の中央整地ロータ６ａとセンターフロート３５左右両側の左右側部整地ロータ６ｂ，６ｂによる圃場の未整地部分が少なくなり、圃場面が適正に整地されて良好な苗移植作業が行なえる。
本発明に関連する第１の発明は、走行車体２の後側に苗植付部４を装着し、苗植付部４の前側にセンターフロート３５の前側に設けた中央整地ロータ６ａとセンターフロート３５の左右両側に設けた左右側部整地ロータ６ｂ，６ｂで構成される整地ロータ６を設けた乗用型苗移植機において、中央整地ロータ６ａの端部と左右側部整地ロータ６ｂ，６ｂの端部が重複して圃場面を整地するように配置した乗用型苗移植機である。 In the first invention, the seedling planting portion (4) is mounted on the rear side of the traveling vehicle body (2), and the central leveling rotor provided on the front side of the seedling planting portion (4) on the front side of the center float (35). In a passenger-type seedling transplanting machine provided with a ground leveling rotor (6) composed of left and right side leveling rotors (6b, 6b) provided on both the left and right sides of the center float (6a) and the center float (35), the central leveling rotor (6a). The ends of the ground leveling rotors (6b, 6b) on the left and right sides overlap each other so that the field scene is leveled.
A front drive shaft (62F) is pivotally supported at the front of the left and right rotor transmission cases (61L, 61R), and a plurality of rotor pieces (63) are mounted on the front drive shaft (62F) so as to rotate integrally and the center is leveled. The rotor (6a) is configured, and the front drive shaft (62F) is provided so as to penetrate at least one of the left and right rotor transmission cases (61L, 61R) and project outward, and the protruding shaft portion of the front drive shaft (62F) is provided. It is a riding type seedling transplanting machine characterized in that an additional rotor piece (63b) is mounted so as to rotate integrally with the above.
In the second invention, the diameter of the additional rotor piece (63a, 63b) for leveling the field scene where the end of the central leveling rotor (6a) and the end of the left and right side leveling rotors (6b, 6b) overlap. The first passenger-type seedling transplanting machine of the present invention, characterized in that R1) has a smaller diameter than the diameter (R2) of another rotor piece (63).
According to the present invention, the end of the central leveling rotor 6a and the ends of the left and right side leveling rotors 6b and 6b are arranged so as to overlap and level the field scene. The left and right side leveling rotors 6b and 6b on the left and right sides of the center float 35 reduce the amount of unprepared land in the field, and the field scene is properly leveled so that good seedling transplanting work can be performed.
In the first invention related to the present invention, a seedling planting portion 4 is mounted on the rear side of the traveling vehicle body 2, and a central leveling rotor 6a and a center float provided on the front side of the seedling planting portion 4 on the front side of the center float 35. In a passenger-type seedling transplanting machine provided with a ground leveling rotor 6 composed of left and right side leveling rotors 6b and 6b provided on both the left and right sides of 35, the end of the central leveling rotor 6a and the ends of the left and right side leveling rotors 6b and 6b. It is a passenger-type seedling transplanter that is arranged so that the parts overlap and the field scene is leveled.

Claims (4)

走行車体（２）の後側に苗植付部（４）を装着し、苗植付部（４）の前側にセンターフロート（３５）の前側に設けた中央整地ロータ（６ａ）とセンターフロート（３５）の左右両側に設けた左右側部整地ロータ（６ｂ，６ｂ）で構成される整地ロータ（６）を設けた乗用型苗移植機において、中央整地ロータ（６ａ）の端部と左右側部整地ロータ（６ｂ，６ｂ）の端部が重複して圃場面を整地するように配置したことを特徴とする乗用型苗移植機。 A seedling planting portion (4) is mounted on the rear side of the traveling vehicle body (2), and a central leveling rotor (6a) and a center float (6a) provided on the front side of the center float (35) on the front side of the seedling planting portion (4). In a passenger-type seedling transplanter provided with a ground leveling rotor (6) composed of left and right side leveling rotors (6b, 6b) provided on both the left and right sides of 35), the end portion and the left and right side portions of the central ground leveling rotor (6a). A passenger-type seedling transplanting machine characterized in that the ends of the ground leveling rotors (6b, 6b) overlap and are arranged so as to level the field scene. 中央整地ロータ（６ａ）の端部と左右側部整地ロータ（６ｂ，６ｂ）の端部が重複して圃場面を整地する追加ロータ片（６３ａ，６３ｂ）の直径（Ｒ１）を他のロータ片（６３）の直径（Ｒ２）よりも小径にしたことを特徴とする請求項１に記載の乗用型苗移植機。 The diameter (R1) of the additional rotor piece (63a, 63b) that overlaps the end of the central leveling rotor (6a) and the end of the left and right side leveling rotors (6b, 6b) to level the field scene is the other rotor piece. The passenger-type seedling transplanting machine according to claim 1, wherein the diameter is smaller than the diameter (R2) of (63). 左右ロータ伝動ケース（６１Ｌ，６１Ｒ）の前部に前駆動軸（６２Ｆ）を軸支し、該前駆動軸（６２Ｆ）に複数のロータ片（６３）を一体回転するように装着して中央整地ロータ（６ａ）を構成し、左右ロータ伝動ケース（６１Ｌ，６１Ｒ）の後部に各々左右後駆動軸（６２Ｂ）を左右外側方に突出する状態で設けて、該左右後駆動軸（６２Ｂ）に複数のロータ片（６３）を一体回転するように装着して左右側部整地ロータ（６ｂ，６ｂ）を構成し、左右ロータ伝動ケース（６１Ｌ，６１Ｒ）の少なくとも何れかの後部に後駆動軸（６２Ｂ）を内側方に突出する状態で設けて、該内側方に突出した後駆動軸（６２Ｂ）に追加ロータ片（６３ａ）を一体回転するように装着したことを特徴とする請求項１または請求項２に記載の乗用型苗移植機。 A front drive shaft (62F) is pivotally supported at the front of the left and right rotor transmission cases (61L, 61R), and a plurality of rotor pieces (63) are mounted on the front drive shaft (62F) so as to rotate integrally and the center is leveled. A rotor (6a) is configured, and left and right rear drive shafts (62B) are provided at the rear portions of the left and right rotor transmission cases (61L, 61R) so as to project outward to the left and right, and a plurality of left and right rear drive shafts (62B) are provided. The rotor pieces (63) of the above are mounted so as to rotate integrally to form the left and right side leveling rotors (6b, 6b), and the rear drive shaft (62B) is attached to at least one of the rear parts of the left and right rotor transmission cases (61L, 61R). ) Is provided in a state of projecting inward, and the additional rotor piece (63a) is mounted on the rear drive shaft (62B) projecting inward so as to rotate integrally. The passenger-type seedling transplanting machine according to 2. 左右ロータ伝動ケース（６１Ｌ，６１Ｒ）の前部に前駆動軸（６２Ｆ）を軸支し、該前駆動軸（６２Ｆ）に複数のロータ片（６３）を一体回転するように装着して中央整地ロータ（６ａ）を構成し、前駆動軸（６２Ｆ）を左右ロータ伝動ケース（６１Ｌ，６１Ｒ）の少なくとも何れかを貫通して外側方に突出して設け、該前駆動軸（６２Ｆ）の突出軸部に追加ロータ片（６３ｂ）を一体回転するように装着したことを特徴とする請求項１または請求項２に記載の乗用型苗移植機。 A front drive shaft (62F) is pivotally supported at the front of the left and right rotor transmission cases (61L, 61R), and a plurality of rotor pieces (63) are mounted on the front drive shaft (62F) so as to rotate integrally and the center is leveled. The rotor (6a) is configured, and the front drive shaft (62F) is provided so as to penetrate at least one of the left and right rotor transmission cases (61L, 61R) and project outward, and the protruding shaft portion of the front drive shaft (62F) is provided. The passenger-type seedling transplanting machine according to claim 1 or 2, wherein the additional rotor piece (63b) is mounted so as to rotate integrally with the vehicle.
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JP5867558B2 (en) * 2014-08-27 2016-02-24 井関農機株式会社 Passenger rice transplanter
JP6665409B2 (en) * 2015-02-24 2020-03-13 井関農機株式会社 Work vehicle
CN105766166A (en) * 2016-04-16 2016-07-20 潍坊同方机械有限公司 Four-wheel drive rice transplanter

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