JP2005176854A - Sulky type seedling transplanter - Google Patents

Sulky type seedling transplanter Download PDF

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Publication number
JP2005176854A
JP2005176854A JP2005021675A JP2005021675A JP2005176854A JP 2005176854 A JP2005176854 A JP 2005176854A JP 2005021675 A JP2005021675 A JP 2005021675A JP 2005021675 A JP2005021675 A JP 2005021675A JP 2005176854 A JP2005176854 A JP 2005176854A
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Japan
Prior art keywords
seedling
planting
cover
shaft
step cover
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JP2005021675A
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Japanese (ja)
Inventor
Isao Ishida
石田  伊佐男
Toshio Tamai
玉井  利男
Takahide Shiozaki
塩崎  孝秀
Michinori Seike
清家  理伯
Hisashi Kamiya
神谷  寿
Masaru Nomura
野村  勝
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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 JP2005021675A priority Critical patent/JP2005176854A/en
Publication of JP2005176854A publication Critical patent/JP2005176854A/en
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Abstract

<P>PROBLEM TO BE SOLVED: To provide a sulky type seedling transplanter assembled to easily perform seedling supplying work. <P>SOLUTION: This sulky type seedling transplanter has a planting part 4 behind a sulky type travelling body 2, wherein the planting part 4 has, parallelly in the lateral direction of the body, plural planting devices 154 for taking out seedlings set on each seedling loading part of a seedling carrier 155 and the sulky type travelling body 2 has right and left front wheels 15, right and left rear wheels 19 and a protruding cover part 200 rising from a step cover 202 under a seat 21. A central part 202b of the step cover 202 is formed lower than the upper end of the rear wheels 19, wherein the step cover 202 is set at the front side and both right and left sides of the protruding cover part 200. A rear part 202c of the step cover 202 is formed higher than the central part 202b and to laterally extend over the right and left end positions of the central part 202b through the back side of the seat 21, and the upper surface of the protruding cover part 200 is formed to be the same height as the rear part 202c of the step cover 202. <P>COPYRIGHT: (C)2005,JPO&NCIPI

Description

本発明は、座席の前側及び左右両側部にステップカバーを備えた乗用苗植機に関するものである。   The present invention relates to a riding seedling transplanter provided with step covers on the front side and both left and right sides of a seat.

左右前輪と左右後輪と座席の下方にステップカバーから***する***カバ−部分とを備えた乗用走行車体の後部に、苗載台の各苗載部に載置した苗を取出して圃場に植え付ける植付装置を機体左右方向に複数個並設した植付部を装着した乗用苗植機において、ステップカバ−の左右両側位置に予備苗載台を配置したものが知られている(特許文献1参照。)。
特開平1−179611号公報
The seedlings placed on each seedling platform of the seedling platform are taken out and planted in the field at the rear of the riding vehicle body having left and right front wheels, left and right rear wheels, and a raised cover portion protruding from the step cover below the seat. 2. Description of the Related Art In a riding seedling planting machine equipped with a planting unit in which a plurality of planting devices are arranged in the left-right direction of the machine body, there are known ones in which spare seedling platforms are arranged at both left and right positions of a step cover (Patent Document 1). reference.).
JP-A-1-179611

本発明は、上記の乗用苗植機において、苗補給作業が容易に行えるようにすることを課題とする。   This invention makes it a subject to make it possible to perform a seedling replenishment operation | work easily in said riding seedling transplanter.

本発明は、上記課題を解決するために、左右前輪15と左右後輪19と座席21の下方にステップカバー202から***する***カバ−部分200とを備えた乗用走行車体2の後部に、苗載台155の各苗載部155aに載置した苗を取出して圃場に植え付ける植付装置154を機体左右方向に複数個並設した植付部4を装着した乗用苗植機において、前記***カバ−部分200の前側及び左右両側部に位置するステップカバー202の中央部202bを後輪19の上端より低く構成し、ステップカバー202の後部202cを前記中央部202bより高くて座席21の後側を通って左右方向で前記中央部202bの左右外端位置にわたる構成とし、前記***カバ−部分200の上面を該ステップカバー202の後部202cと同じ高さに構成した乗用苗植機としたものである。   In order to solve the above-mentioned problem, the present invention provides a seedling in the rear part of the passenger traveling vehicle body 2 that includes the left and right front wheels 15, the left and right rear wheels 19, and a raised cover portion 200 that protrudes from the step cover 202 below the seat 21. In the riding seedling planting machine equipped with a planting unit 4 in which a plurality of planting devices 154 for taking out seedlings placed on each seedling platform 155a of the platform 155 and planting them in a farm field are arranged in the horizontal direction of the machine body, The central portion 202b of the step cover 202 located on the front side and both the left and right sides of the portion 200 is configured lower than the upper end of the rear wheel 19, and the rear portion 202c of the step cover 202 is higher than the central portion 202b and the rear side of the seat 21 is And the upper surface of the raised cover portion 200 is formed at the same height as the rear portion 202c of the step cover 202. In which it was was riding seedling planting machine.

従って、ステップカバー202の中央部202bが***カバ−部分200の前側及び左右両側部に位置するので、苗載台155の左右最外側の苗載部155aへの苗補給作業を容易に行える。更に、ステップカバー202の後部202cを前記中央部202bより高くて座席21の後側を通って左右方向で前記中央部202bの左右外端位置にわたる構成としたので、ステップカバ−202の中央部202bの左右外側部分の上に立つ作業者が左右方向に長く連設されるステップカバー202の後部202cの適宜の左右位置に片足を載せて、苗載台155への苗補給作業を補給しようとする苗載部155aの直前位置から容易に行える。しかも、***カバ−部分200の上面を該ステップカバー202の後部202cと同じ高さに構成したので、苗載台155への苗補給作業をする際、***カバ−部分200の上面にも片足を載せることができる。   Accordingly, since the center portion 202b of the step cover 202 is located on the front side and the left and right side portions of the raised cover portion 200, the seedling replenishing operation to the right and left outermost seedling mounting portion 155a of the seedling mounting table 155 can be easily performed. Further, since the rear portion 202c of the step cover 202 is higher than the central portion 202b and passes through the rear side of the seat 21 and extends in the left-right direction across the left and right outer end positions of the central portion 202b, the central portion 202b of the step cover 202 is provided. An operator who stands on the left and right outer parts of the step puts one foot on an appropriate left and right position of the rear portion 202c of the step cover 202 that is provided continuously in the left and right direction and tries to replenish the seedling replenishment work to the seedling mounting base 155. This can be easily performed from the position immediately before the seedling mounting portion 155a. In addition, since the upper surface of the raised cover portion 200 is configured to be the same height as the rear portion 202c of the step cover 202, when the seedling replenishing operation is performed on the seedling mounting base 155, one foot is also placed on the upper surface of the raised cover portion 200. Can be placed.

本発明によると、ステップカバ−202の中央部202bの左右外側部分の上に立つ作業者が左右方向に長く連設されるステップカバー202の後部202cの適宜の左右位置に片足を載せて、苗載台155への苗補給作業を補給しようとする苗載部155aの直前位置から容易に行え、しかも***カバ−部分200の上面に片足を載せて苗載台155へ苗補給することもでき、苗補給作業性が向上する。   According to the present invention, an operator standing on the left and right outer portions of the center portion 202b of the step cover 202 places one leg on an appropriate left and right position of the rear portion 202c of the step cover 202 that is provided long in the left and right direction. It is possible to easily perform the seedling replenishment work on the mounting base 155 from the position immediately before the seedling mounting section 155a to be replenished, and also to supply the seedling mounting base 155 with one foot on the upper surface of the raised cover portion 200, The seedling replenishment workability is improved.

各図は本発明の1実施例をあらわし、この乗用走行車体2は、車体の後部に具備するリンク装置3に6条植の植付部4が装着されているとともに、施肥装置5が設けられ、全体として乗用施肥田植機1として構成されている。   Each figure shows one embodiment of the present invention, and this riding vehicle body 2 is provided with a six-planted planting portion 4 attached to a link device 3 provided at the rear portion of the vehicle body, and a fertilizer application device 5 is provided. As a whole, it is configured as a riding fertilizer transplanter 1.

走行車体2は、平面視で前後に長い方形のフレーム6を備え、該フレームの中間部後方寄りの位置にエンジン10が、その前方にミッションケース11がそれぞれ配設されている。なお、ミッションケース11は、その後部上面に油圧ポンプ12が一体に組み付けられているとともに、その前部から操向ハンドルを支持するステアリングポスト13が上方に突設されている。そして、ミッションケース11の側方に前輪支持ケース14,14が変向可能に設けられ、その下端部に前輪15,15が軸支されている。また、フレーム6の後端部に突設したローリング軸16にローリング杆17が左右にローリング自在に支持され、その左右両端部に取り付けた後輪支持ケース18,18に後輪19,19が軸支されている。そして、エンジン10の上方部に操縦席21が設置されている。さらに、図1および図2において鎖線で示す如く、予備の苗を載せておく予備苗載台22,22を車体の前部側方に取り付けることもできる。   The traveling vehicle body 2 includes a rectangular frame 6 that is long in the front-rear direction in plan view, and an engine 10 is disposed at a position near the rear of the middle portion of the frame, and a transmission case 11 is disposed in front of the engine 10. In the transmission case 11, a hydraulic pump 12 is integrally assembled on the upper surface of the rear part thereof, and a steering post 13 that supports the steering handle protrudes upward from the front part thereof. And the front wheel support cases 14 and 14 are provided in the side of the mission case 11 so that turning is possible, and the front wheels 15 and 15 are pivotally supported by the lower end part. Further, a rolling rod 17 is supported on a rolling shaft 16 projecting from the rear end portion of the frame 6 so as to be capable of rolling left and right, and rear wheels 19 and 19 are attached to rear wheel support cases 18 and 18 attached to both left and right ends thereof. It is supported. A cockpit 21 is installed above the engine 10. Further, as shown by a chain line in FIGS. 1 and 2, preliminary seedling platforms 22 and 22 on which preliminary seedlings are placed can be attached to the front side of the vehicle body.

エンジン出力軸10aに取り出されたエンジン出力はベルト23を介して油圧ポンプ駆動軸12aに伝えられ、さらに該油圧ポンプ駆動軸からベルト24を介してミッション入力軸11aに伝えられる。ベルト24が掛けられているプーリ25,26はベルト溝の幅を調節可能に構成されており、該ベルト溝幅を調節して有効径d1,d2を変えることにより、伝動比を連続的に変化させることができる。すなわち、油圧ポンブ駆動軸12aからミッション入力軸11aへの伝動部がベルト無段変速式の副変速装置Aとして構成されている。この副変速装置Aの操作機構としては、ステアリングポスト13と一体に組み付けた支持ステー30に副変速軸31が水平に支承され、該副変速軸に副変速レバー33と副変速アーム34が固着され、さらに副変速アーム34の先端部に2本のロッド36,37が取り付けられ、これらロッドの下端部に前記プーリ25,26を各々個別に駆動するシフタ38,39が設けられている。このため、1本の副変速レバー33を操作することにより、ベルト24の有効径d1,d2が同時に調節される。   The engine output taken out to the engine output shaft 10a is transmitted to the hydraulic pump drive shaft 12a via the belt 23, and further transmitted from the hydraulic pump drive shaft to the mission input shaft 11a via the belt 24. The pulleys 25 and 26 around which the belt 24 is hung are configured so that the width of the belt groove can be adjusted, and the transmission ratio is continuously changed by changing the effective diameters d1 and d2 by adjusting the belt groove width. Can be made. That is, the transmission portion from the hydraulic pump drive shaft 12a to the mission input shaft 11a is configured as a belt continuously variable transmission type sub-transmission device A. As an operation mechanism of the auxiliary transmission A, an auxiliary transmission shaft 31 is horizontally supported on a support stay 30 assembled integrally with the steering post 13, and an auxiliary transmission lever 33 and an auxiliary transmission arm 34 are fixed to the auxiliary transmission shaft. Further, two rods 36 and 37 are attached to the tip of the auxiliary transmission arm 34, and shifters 38 and 39 for individually driving the pulleys 25 and 26 are provided at the lower ends of these rods. For this reason, the effective diameters d1 and d2 of the belt 24 are simultaneously adjusted by operating one auxiliary transmission lever 33.

図6はミッションケース11の内部を展開してあらわした図で、ミッション入力軸11aからケーシング40内のクラッチ軸42ヘメインクラッチ43を介して伝動される。メインクラッチ43は周知の多板クラッチで、図中の44はエンジン側の摩擦板、45はミッション側の摩擦板、46は両摩擦板押付け用のスプリング、47,48は切替操作用の固定部材と摺動部材である。前記支持ステー30にクラッチ操作軸50が水平に設けられ、該操作軸に固着したアーム51と摺動部材48から突設するアーム48aとがロッド52で連結されている。また、弓状に湾曲したクラッチ操作杵54が操作軸50に吊られた状態で一体に取り付けられており、該クラッチ操作杆の下端部にクラッチペダル55が設けられている。   FIG. 6 is an expanded view of the inside of the mission case 11, which is transmitted from the mission input shaft 11 a to the clutch shaft 42 in the casing 40 via the main clutch 43. The main clutch 43 is a known multi-plate clutch. In the figure, 44 is a friction plate on the engine side, 45 is a friction plate on the transmission side, 46 is a spring for pressing both friction plates, and 47 and 48 are fixing members for switching operation. And a sliding member. A clutch operating shaft 50 is provided horizontally on the support stay 30, and an arm 51 fixed to the operating shaft and an arm 48 a protruding from the sliding member 48 are connected by a rod 52. Further, a clutch operating rod 54 curved in an arc shape is integrally attached in a state of being suspended from the operating shaft 50, and a clutch pedal 55 is provided at the lower end portion of the clutch operating rod.

前部ケーシング40aの中には、クラッチ軸42、カウンタ軸60、走行一次軸61、走行二次軸62、植付一次軸63、植付二次軸64がそれぞれ平行に支承されている。クラッチ軸42のギヤG1とカウンタ軸60のギヤG2、および前記ギヤG2と走行一次軸61のギヤG3がそれぞれ互いに噛合しており、クラッチ軸42の回転が走行一次軸61に順方向で伝えられる。主変速装置Bとして、走行一次軸61に前記ギヤG3とギヤG4がそれぞれ定位置に嵌着され、走行二次軸62に互いに一体に成形されたギヤG5,G6が軸方向に摺動目在に嵌合している。シフタ66でギヤG5,G6を移動させ、ギヤG4とギヤG5が噛合すると作業速、ギヤG3とギヤG6が噛合すると路上走行速になる。また、植付一次軸63にはギヤG4に常時噛合するギヤG7とバックギヤG8が嵌着されており、ギヤG6をバックギャG8に噛合させると後進速になる。ギヤG5,G6がいずれのギヤとも噛合しない位置が中立になる。また、株間変速装置Gとして、植付一次軸63に互いに一体に成形されたギヤG9,G10が軸方向に摺動自在に嵌合しているとともに、植付二次軸64にギヤG11,G12がそれぞれ取り付けられている。シフタ67でギヤG9,G10を適当に移動させることにより、ギヤG9とギヤG11、ギヤG10とギヤG11、およびギヤG10とギヤG12の3通りの組合せが得られ、3段階の株間切替を行なえる。植付二次軸64からベベルギヤG13,G14を介して植付部伝動軸68に伝動される。   In the front casing 40a, a clutch shaft 42, a counter shaft 60, a traveling primary shaft 61, a traveling secondary shaft 62, a planting primary shaft 63, and a planting secondary shaft 64 are supported in parallel. The gear G1 of the clutch shaft 42 and the gear G2 of the counter shaft 60, and the gear G2 and the gear G3 of the traveling primary shaft 61 are engaged with each other, and the rotation of the clutch shaft 42 is transmitted to the traveling primary shaft 61 in the forward direction. . As the main transmission B, the gears G3 and G4 are respectively fitted in fixed positions on the traveling primary shaft 61, and the gears G5 and G6 formed integrally with the traveling secondary shaft 62 are slidable in the axial direction. Is fitted. When the gears G5 and G6 are moved by the shifter 66 and the gears G4 and G5 are engaged, the working speed is reached, and when the gears G3 and G6 are engaged, the road running speed is obtained. The planted primary shaft 63 is fitted with a gear G7 and a back gear G8 that are always meshed with the gear G4. When the gear G6 is meshed with the back gear G8, the reverse speed is achieved. The position where the gears G5 and G6 do not mesh with any gear is neutral. Further, as the inter-gear transmission device G, gears G9 and G10 formed integrally with the planting primary shaft 63 are slidably fitted in the axial direction, and gears G11 and G12 are mounted on the planting secondary shaft 64. Are attached to each. By appropriately moving the gears G9 and G10 with the shifter 67, three combinations of the gear G9 and the gear G11, the gear G10 and the gear G11, and the gear G10 and the gear G12 can be obtained, and switching between the stocks in three stages can be performed. . It is transmitted from the planting secondary shaft 64 to the planting part transmission shaft 68 via the bevel gears G13 and G14.

後部ケーシング40bの中にはリヤアクスル70,70とフロントアクスル71,71が支承され、前記走行二次軸62から後輪デフ装置Dを介してリヤアクスル70,70に伝動されるとともに、後輪デフ装置Dから前輪デフ装置Eを介してフロントアクスル71,71に伝動される。後輪デフ装置Dは、走行二次軸62のギヤG15に噛合するギヤG16が外周部に成形された容器73を備え、該容器内の縦軸74に取り付けた一次ベベルギヤG17と左右のリヤアクスル70,70に各別に取り付けた二次ベベルギヤG18,G18とが互いに噛合する状態で収納されており、各アクスルに加わる負荷に応じて当該アクスルに伝動される駆動力が適宜変動するようになっている。前輪デフ装置Eも後輪デフ装置Dと同様の構成で、図中の73は容器、76は縦軸、G19は後輪デフ装置側のギヤ、G20は前輪デフ装置側のギヤ、G21は縦軸76に取り付けたベベルギヤ、G22はフロントアクスル71に取り付けたベベルギヤである。   Rear axles 70 and 70 and front axles 71 and 71 are supported in the rear casing 40b, and are transmitted from the traveling secondary shaft 62 to the rear axles 70 and 70 via the rear wheel differential device D, and the rear wheel differential device. D is transmitted to the front axles 71 and 71 via the front wheel differential device E. The rear wheel differential device D includes a container 73 in which a gear G16 meshing with the gear G15 of the traveling secondary shaft 62 is formed on the outer peripheral portion, a primary bevel gear G17 attached to a vertical axis 74 in the container, and left and right rear axles 70. , 70 and the secondary bevel gears G18, G18 separately attached to each other are accommodated so that the driving force transmitted to the axles varies appropriately according to the load applied to each axle. . The front wheel differential device E has the same configuration as the rear wheel differential device D. In the figure, 73 is a container, 76 is a vertical axis, G19 is a gear on the rear wheel differential device side, G20 is a gear on the front wheel differential device side, and G21 is vertical. A bevel gear G22 attached to the shaft 76 is a bevel gear attached to the front axle 71.

上記後輪デフ装置Dおよび前輪デフ装置Eにはデフ機能を停止し、左右両アクスルに駆動力が均等に伝動されるようにするデフロック装置77,78が設けられている。このデフロック装置77(78)は、容器73(74)に形成された爪79(80)とアクスルの角捧部70a(71a)に嵌合するデフロック部材81(82)の爪83(84)を咬み合わせて、容器73(74)とアクスル70(71)を互いに固定するようになっている。図7に示す如く、デフロック部材作動用のシャフト85(86)にレバー87(88)が水平に取り付けられ、該レバーの先端部から上向きにデフロックペダル89(90)がのばされている。シャフト85の方がシャフト86よりも上位に設けられており、レバー87の側面にペダル杆89aの端部91が突起状に突出し、これがレバー88の上面に係合しているため、後輪デフロックペダル89を踏むと後輪デフロック装置77と前輪デフロック装置78の両方が作動するようになっている。デフロックペダル89,90は操縦席21の前方下方部に並設されている。   The rear wheel differential device D and the front wheel differential device E are provided with differential lock devices 77 and 78 that stop the differential function and transmit the driving force evenly to the left and right axles. The differential lock device 77 (78) includes a claw 79 (80) formed on the container 73 (74) and a claw 83 (84) of the differential lock member 81 (82) that fits into the angular corner portion 70a (71a) of the axle. The container 73 (74) and the axle 70 (71) are fixed to each other by biting. As shown in FIG. 7, a lever 87 (88) is horizontally attached to a shaft 85 (86) for operating a differential lock member, and a differential lock pedal 89 (90) is extended upward from the tip end portion of the lever. The shaft 85 is provided higher than the shaft 86, and the end 91 of the pedal rod 89 a protrudes on the side surface of the lever 87 in a protruding shape, which is engaged with the upper surface of the lever 88. When the pedal 89 is depressed, both the rear wheel differential lock device 77 and the front wheel differential lock device 78 are activated. The differential lock pedals 89 and 90 are arranged in parallel at the front lower part of the cockpit 21.

リヤアクスル70,70はべベルギヤG23,G24,…によって前後方向のリヤ出力軸93,93に伝動連結され、さらにこのリヤ出力軸93,93のケーシング外に突出する後輪部に、前記後輪支持ケース18,18に伝動する後輪伝動軸94,94がユニバー一サルジョインド95,95を介して接続されている。   The rear axles 70 are connected to the rear output shafts 93, 93 in the front-rear direction by bevel gears G23, G24,... Rear wheel transmission shafts 94, 94 that are transmitted to the cases 18, 18 are connected via universal joints 95, 95.

また、リヤアクスル70,70の端部には、該リヤアクスルに取り付けたディスク100,100にプレッシャプレート101,101を押し付けて制動する後輪ブレーキ装置F,Fが設けられている。外周面に軸方向の切欠部102が形成され作動ピン103がプレッシャプレート101と平行に設けられており、常時は作動ピン103の切欠部102がプレッシャプレート101に当接しているが、レバー104で作動ピン103を回転させ、作動ピン103の円周部をプレッシャプレート101に当接させると、プレッシャプレート101がディスク100側に押し付けられブレ一キが作動するようになっている。後輪ブレーキ装置F,Fのブレーキペダル105,105は、前記クラッチ操作軸50と同軸心のブレーキ軸106に、クラッチペダル55と同様に吊られた状態で取り付けられている。   Further, rear wheel brake devices F and F for braking by pressing the pressure plates 101 and 101 against the discs 100 and 100 attached to the rear axle are provided at the ends of the rear axles 70 and 70. An axial notch 102 is formed on the outer peripheral surface, and the operating pin 103 is provided in parallel with the pressure plate 101. The notch 102 of the operating pin 103 is always in contact with the pressure plate 101, but the lever 104 When the operating pin 103 is rotated and the circumferential portion of the operating pin 103 is brought into contact with the pressure plate 101, the pressure plate 101 is pressed against the disk 100 side to operate the brake. The brake pedals 105 and 105 of the rear wheel brake devices F and F are attached to the brake shaft 106 coaxial with the clutch operation shaft 50 in a suspended state in the same manner as the clutch pedal 55.

前記植付部伝動軸68は後方に廷ばされ、その後端部に植付クラッチケース110が設けられている。図8に示すように、植付クラッチケース110の内部に、植付部伝動軸68に接涜された一次軸111とPTO軸である二次軸112が互いに平行に支承されている。一次軸111にはギヤG25,G26を有する筒状のギヤ軸115が摺動自在に嵌合しており、角棒部111aに嵌着した爪板116およびギヤ軸115に固着した爪板117を介して一次軸111からギヤ軸115にトルクが伝えられる。常時はスプリング118の作用で両爪板116,117が咬み合っているが、トルクが一定以上になると、スプリング118の力に抗してギヤ軸115が図における右方向に移動して伝動が断たれる。すなわち、負荷が一定以上になると伝動を断つ安全クラッチとして構成されている。   The planting part transmission shaft 68 is installed rearward, and a planting clutch case 110 is provided at the rear end thereof. As shown in FIG. 8, a primary shaft 111 that is in contact with the planting portion transmission shaft 68 and a secondary shaft 112 that is a PTO shaft are supported in parallel within the planting clutch case 110. A cylindrical gear shaft 115 having gears G25 and G26 is slidably fitted to the primary shaft 111, and a claw plate 116 fitted to the square bar portion 111a and a claw plate 117 secured to the gear shaft 115 are provided. Torque is transmitted from the primary shaft 111 to the gear shaft 115 through the via. Normally, the two claw plates 116 and 117 are engaged with each other by the action of the spring 118. However, when the torque exceeds a certain level, the gear shaft 115 moves to the right in the figure against the force of the spring 118 and the transmission is interrupted. Be drunk. That is, it is configured as a safety clutch that cuts off transmission when the load exceeds a certain level.

二次軸112には回動自在な筒軸120が遊嵌されており、該筒軸の外周部に、前記ギヤG25,G26に噛合するギヤG27,G28を有するギヤ筒121が軸方向に摺動自在に嵌合している。変速スイッチ123でギヤ筒121を移動させ、ギヤ軸115とギヤ筒120の噛合関係を切り替えることにより変速が行なわれる。ギヤG25とギヤG27が噛合するときは後続伝動が行なわれ、ギヤG26とギヤG28が噛合するときは低速伝動が行なわれる。   A rotatable cylinder shaft 120 is loosely fitted on the secondary shaft 112, and a gear cylinder 121 having gears G27 and G28 meshing with the gears G25 and G26 is slid in the axial direction on the outer periphery of the cylinder shaft. It fits freely. Shifting is performed by moving the gear cylinder 121 with the shift switch 123 and switching the meshing relationship between the gear shaft 115 and the gear cylinder 120. Subsequent transmission is performed when the gear G25 and the gear G27 are engaged, and low-speed transmission is performed when the gear G26 and the gear G28 are engaged.

筒軸120のトルクは定位置クラッチ板125を介して二次軸112に伝えられる。定位置クラッチ板125は、回転不能かつ摺動自在に二次軸112に嵌合しているとともに、スプリング126によって筒軸120側に付勢されている。作業時は筒軸の爪120aと定位置クラッチ板の爪125aが咬み合っているが、作業を停止すると、クラッチピン127が定位置クラッチ板125のテーパ面に押し付けられ、二次軸112が所定角度で停止される。   The torque of the cylindrical shaft 120 is transmitted to the secondary shaft 112 via the fixed position clutch plate 125. The fixed position clutch plate 125 is fitted to the secondary shaft 112 so as not to be rotatable and slidable, and is urged toward the cylinder shaft 120 by a spring 126. During the operation, the claw 120a of the cylindrical shaft and the claw 125a of the fixed position clutch plate are engaged, but when the operation is stopped, the clutch pin 127 is pressed against the taper surface of the fixed position clutch plate 125, and the secondary shaft 112 is predetermined. Stopped at an angle.

また、二次軸112と平行に施肥駆動軸131が設けられ、二次軸112からこの施肥駆動軸131ヘギヤG29,G30,G31を介して伝動される。   Further, a fertilization drive shaft 131 is provided in parallel with the secondary shaft 112 and is transmitted from the secondary shaft 112 to the fertilization drive shaft 131 via gears G29, G30, and G31.

走行車体2のカバーは、エンジン10の上部を覆うエンジンカバー200と、ステアリングポスト13の外周部を覆うステアリングポストカバー201と、これらの周囲に拡がるステップカバー202とに分けられる。このうちのステップカバー202は、前部202a、中央部202b、後部202cの順に高くなる段状に成形され、中央部202bの上面は、図面に示すように装着時において車体の左右中央側から左右両側にわたって左右端部の苗載台の前側に至るまで略平坦なステップ面を形成して操縦用のフロアとなり、前部202aの上面は車体の前部から操縦者が乗り込むための通路となっている。また、後部202cは施肥装置5を装着した際に、後記ホッパ180,…からこぼれた肥料が落下してエンジン10、リンク装置3等に付着するのを防止する役目をしている。ステップカバー202は、図3に示すように、車体の左右中心線に沿って分割される左右対称のステップカバー部材202(L),202(R)からなり、それぞれにエンジン10を収容するための凹部205、ステアリングポスト等を収容する凹部206、デフロックペダル89,90を各別に通す切欠部207、および後記施肥フレームの支柱183を通す切欠部208が設けられている。ステップカバー部材202(L),202(R)はフレーム6に設けたステーに固定して組み付けられるが、車体の左右中心線に沿って分割されているので、その組付けに際し、各ステップカバー部材202(L),202(R)を車体の側方からそれぞれ水平にスライドさせて所定の組付位置ヘセットすることができる。なお、ステップカバー202は正確に左右中心線で分割しておかなくてもよく、組付け等に便利なように適当に分割しておげばよい。また、前記予備苗載台22,22は、ステップカバー部材202(L),202(R)を取り外す際、図3において鎖線で示す如く該ステップカバー部材を側方にスライドさせたときに邪魔にならない位置に設けられている。   The cover of the traveling vehicle body 2 is divided into an engine cover 200 that covers the upper part of the engine 10, a steering post cover 201 that covers the outer periphery of the steering post 13, and a step cover 202 that extends around these. Of these, the step cover 202 is formed in a stepped shape that becomes higher in the order of the front part 202a, the central part 202b, and the rear part 202c. A substantially flat step surface is formed on both sides to reach the front side of the left and right seedling platforms, and the front surface of the front portion 202a is a passage for the operator to get in from the front of the vehicle body. Yes. Further, the rear portion 202c serves to prevent the fertilizer spilled from the hopper 180,... Described later from dropping and adhering to the engine 10, the link device 3 and the like when the fertilizer 5 is attached. As shown in FIG. 3, the step cover 202 includes symmetrical left and right step cover members 202 (L) and 202 (R) that are divided along the left and right center lines of the vehicle body, and each accommodates the engine 10. A recess 205, a recess 206 for accommodating a steering post, a notch 207 through which the differential lock pedals 89 and 90 are passed, and a notch 208 through which a post 183 of a fertilizer application frame is passed are provided. The step cover members 202 (L) and 202 (R) are fixedly assembled to a stay provided on the frame 6, but are divided along the left and right center lines of the vehicle body. 202 (L) and 202 (R) can be slid horizontally from the side of the vehicle body and set to a predetermined assembly position. Note that the step cover 202 does not have to be accurately divided at the left and right center lines, and may be appropriately divided so as to be convenient for assembly and the like. Further, the preliminary seedling mounts 22 and 22 are obstructed when the step cover members 202 (L) and 202 (R) are removed when the step cover members are slid sideways as indicated by a chain line in FIG. It is provided at a position that does not become necessary.

リンク装置3として、フレーム6の後端部に立設したリンクベース枠140に1本の上リンク141と2本の下リンク141,141が回動自在に支持され、これら上下リンクの後端部に連結枠144が取り付けられている。連結枠144から後方に突設したローリング軸145に植付部4がローリング可能に装着される。リンク装置3の駆動手段である油圧シリンダ147は、基部がフレーム6に枢着され、ピストンロッドの先端部が上リンク141の基部から垂設したスイングアーム148の下端部に連結されている。油圧シリンダ147を伸縮させると、連結枠144が一定姿勢に保持されたまま上下動させられ、これに装着した植付部4が昇降させられる。   As the link device 3, one upper link 141 and two lower links 141, 141 are rotatably supported by a link base frame 140 erected at the rear end portion of the frame 6, and rear end portions of these upper and lower links. A connecting frame 144 is attached to the frame. The planting part 4 is mounted on a rolling shaft 145 protruding rearward from the connecting frame 144 so as to be able to roll. The hydraulic cylinder 147 that is a driving means of the link device 3 has a base portion pivotally attached to the frame 6, and a tip end portion of the piston rod is connected to a lower end portion of a swing arm 148 that is suspended from the base portion of the upper link 141. When the hydraulic cylinder 147 is expanded and contracted, the connecting frame 144 is moved up and down while being held in a fixed posture, and the planting portion 4 attached thereto is moved up and down.

植付部4は、前記PTO軸112を介して走行車体2から伝動される伝動ケース150と、該伝動ケースの両側面部に突設した伝動パイプ151,151と、伝動ケース150の中央部および伝動パイプ151,151の両端部から後方に延設した3本のチェンケース152,…とで植付部フレームが構成され、各チェンケース152,…の後端部両側に1組づつ計6組の植付装置154,…が設けられている。植付装置154,…の上方には、前側が上位となるように傾斜させた苗載台155が支持枠157と苗載台支持フレーム158に取り付けたレール159によって左右に滑動自在に支持されている。苗載台155の上面は植付条教分(図示例では6)の苗載部155a,…に仕切られており、各苗載部ごとに苗を下方に送るベルト式の苗送り装置161,…が設けられている。また、苗載台155の下端部には、植付装置154,…に対応する苗取出口162,…が形成された受板83が支持枠157と一体に設けられている。苗載台155が左右に往復動して台上の苗を苗取出口162に順次供給するとともに、植付装置154の一対の植付杆154a,154aが所定の軌跡を描いて閉ループ運動を行ない、前記苗取出口162に供給された苗を交互に挟持して圃場に植え付けてゆくようになっている。苗載台155が左右行程の端部に到達して横1列分の苗を苗取出口162に供給し終えると、苗送り装置161,…が作動して苗を1列分だけ下方に移送する。   The planting part 4 includes a transmission case 150 that is transmitted from the traveling vehicle body 2 via the PTO shaft 112, transmission pipes 151 and 151 that project from both side portions of the transmission case, and a central portion and a transmission of the transmission case 150. The planting part frame is composed of three chain cases 152 extending backward from both ends of the pipes 151, 151, and a total of six sets, one set on each side of the rear end of each chain case 152,. Planting devices 154,... Are provided. Above the planting devices 154,..., A seedling stage 155 inclined so that the front side is higher is supported by a support frame 157 and a rail 159 attached to the seedling stage support frame 158 so as to be slidable to the left and right. Yes. The upper surface of the seedling stage 155 is partitioned into seedling mounting parts 155a,... Of a planting article (6 in the illustrated example), and a belt-type seedling feeding device 161 that feeds seedlings downward for each seedling part. ... is provided. Further, a receiving plate 83 formed with seedling outlets 162,... Corresponding to the planting devices 154,. The seedling stage 155 reciprocates left and right to sequentially supply seedlings on the stage to the seedling outlet 162, and a pair of planting rods 154a and 154a of the planting device 154 perform a closed loop motion in a predetermined path. The seedlings supplied to the seedling outlet 162 are alternately sandwiched and planted in the field. When the seedling stage 155 reaches the end of the left and right strokes and finishes supplying one row of seedlings to the seedling outlet 162, the seedling feeding device 161, ... operates to transfer the seedlings downward by one row. To do.

これら植付部4の下側には、中央に1個のセンターフロート170と左右一対のサイドフロート171,171が設けられている。各フロート170,171,171の両側部に苗移植用の溝を成形する作溝器172,…が取り付けられている。これらフロートは、チェンケース152,…に取り付けたフロート支持杆173,…の後端部に前部が上下動自在に枢支されている。センターフロート170の前部に上下動検出用の検出ロッド174が取り付けられており、該検出ロッドの検出結果に基づいて前記油圧シリンダ67制御用の油圧バルブ175が駆動される。例えば圃場面が高くなってセンターフロート170が上動すると、油圧シリンダ147が伸びる方向に油圧バルブ175が駆動され、その結果植付部4が上昇する。圃場面が低くなった場合は上記と逆に動作する。   Under these planting parts 4, one center float 170 and a pair of left and right side floats 171 and 171 are provided in the center. Grooves 172,... For forming seedling transplanting grooves are attached to both sides of each of the floats 170, 171, 171. These floats are pivotally supported at their rear ends by float support rods 173,... Attached to the chain cases 152,. A detection rod 174 for detecting vertical movement is attached to the front portion of the center float 170, and the hydraulic valve 175 for controlling the hydraulic cylinder 67 is driven based on the detection result of the detection rod. For example, when the field scene rises and the center float 170 moves up, the hydraulic valve 175 is driven in the direction in which the hydraulic cylinder 147 extends, and as a result, the planting unit 4 rises. When the field scene becomes low, the operation is reversed.

施肥装置5は、肥料を貯蔵するホッパ180と、該ホッパ内の肥料を下方に繰り出す繰出器181と、該繰出器から繰り出された肥料を前記作溝器172によって成形された移植溝に導く施肥パイプ182とを備えている。ホッパ180は隣接する2条ごとに共用されており、各々1つのホッパ180と2つの繰出器181,181とからなる計3組の本体部が、支柱183,183によってリンクベース枠60に支持された角型パイプ製の施肥フレーム184に取り付けられ、側面視で操縦席21と苗載台155の間隔部に配置されている。各繰出器181,…内の繰出ロール181a,…は前記施肥駆動軸131より伝動される繰出ロール駆動軸185によって駆動される。また、エンジンルーム内にブロワ187が設けられ、このブロワ187と施肥フレーム184の中空部とエアパイプ188で接涜されているとともに、施肥パイプ182,…の始端部が施肥フレーム184の中空部に開口させて取り付けられている。このようにして、エンジンルーム内の温風を施肥パイプ182,…に供給することにより、施肥パイプ内における肥料の流通が良好となるとともに、肥料が施肥パイプ内で固化するのを防止する効果がある。   The fertilizer applicator 5 includes a hopper 180 that stores fertilizer, a feeder 181 that feeds the fertilizer in the hopper downward, and a fertilizer that guides the fertilizer fed from the feeder to the transplant groove formed by the groover 172. And a pipe 182. The hopper 180 is shared by every two adjacent strips, and a total of three sets of main bodies each consisting of one hopper 180 and two feeders 181 and 181 are supported on the link base frame 60 by the columns 183 and 183. It is attached to a fertilizer application frame 184 made of a square pipe and is arranged in the space between the cockpit 21 and the seedling stage 155 in a side view. Are fed by a feed roll drive shaft 185 that is transmitted from the fertilizer application drive shaft 131. Further, a blower 187 is provided in the engine room, and the blower 187 and the hollow portion of the fertilization frame 184 are in contact with the air pipe 188, and the start ends of the fertilization pipes 182, ... are opened in the hollow portion of the fertilization frame 184. Attached. Thus, by supplying the warm air in the engine room to the fertilizer pipes 182, ..., the distribution of the fertilizer in the fertilizer pipe is improved, and the effect of preventing the fertilizer from solidifying in the fertilizer pipe is effective. is there.

そして、特に、左右前輪15は、植付部4の機体左右方向に並設した中央部の4つの植付装置154よりも外側方の前方に位置させて設け、ステップカバー202の前部は、その左右幅が車体平面視で左右前輪15の位置よりも左右幅が狭く、ステップカバー202の後部は、その左右幅が前部よりも広く、且つ、車体平面視で左右前輪15の上部位置で前部の幅狭部から後部の幅広部に段状に広くなり、ステップカバー202後方に位置する苗載台155の左右最外側の苗載部155aの前方に位置する部位に略平坦なステップ面が構成されているので、左右前輪15の上部位置で左右両側前部の幅狭部から左右両側後部の幅広部に段状に広くなっていることから、左右前輪15の前端部上にはステップは無くて、作業者は左右前輪15の前端部の角度変化を見ながら機体を操縦することができ、良好な操縦が行なえて作業性が良い。また、ステップカバー202の後部は、左右幅の広い左右前輪15よりも更に広幅で、且つ、苗載台155の左右最外側の苗載部155aの前方に位置する部位には略平坦なステップ面がある構成となるから、作業者はステップカバー202上を自由に移動できて、然も、左右最外側の苗載部155aに対する苗補給等の作業を容易に行うことができる。   And in particular, the left and right front wheels 15 are provided in front of the center four planting devices 154 arranged side by side in the left-right direction of the planting unit 4, and the front part of the step cover 202 is The left and right width is narrower than the position of the left and right front wheels 15 in a plan view of the vehicle body, the rear portion of the step cover 202 is wider than the front portion, and the upper portion of the left and right front wheels 15 in the plan view of the vehicle body. A step surface which is wide in a step shape from a narrow part at the front part to a wide part at the rear part, and is substantially flat at a portion located in front of the right and left outermost seedling mounting part 155a of the seedling mounting base 155 located behind the step cover 202. Since the width of the front part of the left and right front wheels 15 is increased from the narrow part of the front part of the right and left sides to the wide part of the rear part of the right and left sides, a step is formed on the front end part of the left and right front wheels 15. There is no, the operator of the left and right front wheels 15 Can maneuver the aircraft while watching the angular change in the ends, good workability can be done better maneuver. Further, the rear portion of the step cover 202 is wider than the left and right front wheels 15 having a wide left and right width, and is a substantially flat step surface at a portion located in front of the left and right outermost seedling mounting portion 155a of the seedling mounting base 155. Therefore, the operator can freely move on the step cover 202, and can easily perform operations such as seedling replenishment for the right and left outermost seedling mounting portion 155a.

また、ステップカバー202の前部は、その左右幅が車体平面視で左右前輪15の位置よりも左右幅が狭く、ステップカバー202の後部は、その左右幅が前部よりも広く、且つ、車体平面視で左右前輪15の上部位置で前部の幅狭部から後部の幅広部に段状に広くなり、該広くなった段状部よりも前方のステップカバー202前部の左右両側位置に予備苗載台22を配置していることから、左右幅が狭いステップカバー202の前部の左右両側位置に予備苗載台22を配置することにより機体の左右幅を可及的に狭い構成にでき、然も、予備苗載台22は機体の前端部近くに位置する為に、機体前部を畦に着けて、畦から予備苗載台22に苗を載置する作業性がとても容易に且つ能率良く行なえる。   The front portion of the step cover 202 has a lateral width that is narrower than the position of the left and right front wheels 15 in a plan view of the vehicle body, and the rear portion of the step cover 202 has a lateral width that is wider than the front portion. In a plan view, the upper part of the left and right front wheels 15 is widened in steps from the narrow part of the front part to the wide part of the rear part. Since the seedling stage 22 is arranged, the left and right width of the machine body can be made as narrow as possible by arranging the preliminary seedling stage 22 at the left and right sides of the front portion of the step cover 202 having a narrow left and right width. However, since the preliminary seedling stage 22 is located near the front end of the aircraft, the workability of placing the seedling on the preliminary seedling stage 22 by attaching the front part of the aircraft to the preliminary seedling 22 is very easy and Can be done efficiently.

本発明の1実施例である乗用施肥田植機の平面図である。It is a top view of the riding fertilizer rice transplanter which is one Example of this invention. 本発明の1実施例である乗用施肥田植機の側面図である。It is a side view of the riding fertilizer rice transplanter which is one Example of this invention. ステップカバーの平面図である。It is a top view of a step cover. 要部の側面図である。It is a side view of the principal part. 要部の正面図である。It is a front view of the principal part. ミッションケースの展開断面図である。It is an expanded sectional view of a mission case. デフロック装置操作部の斜視図である。It is a perspective view of a differential lock apparatus operation part. 植付クラッチケースの断面図である。It is sectional drawing of a planting clutch case.

符号の説明Explanation of symbols

1:乗用施肥田植機、2:乗用走行車体、4:植付部、15:左右前輪、19:左右後輪、21:座席(操縦席)、154:植付装置、155:苗載台、155a:苗載部、200:エンジンカバ−(***カバ−部分)、202:ステップカバー、202b:ステップカバーの中央部、202c:ステップカバーの後部、   1: Riding fertilizer planter, 2: Riding body, 4: Planting part, 15: Left and right front wheels, 19: Left and right rear wheels, 21: Seat (control seat), 154: Planting device, 155: Seedling platform, 155a: seedling mounting part, 200: engine cover (raised cover part), 202: step cover, 202b: center part of step cover, 202c: rear part of step cover,

Claims (1)

左右前輪(15)と左右後輪(19)と座席(21)の下方にステップカバー(202)から***する***カバ−部分(200)とを備えた乗用走行車体(2)の後部に、苗載台(155)の各苗載部(155a)に載置した苗を取出して圃場に植え付ける植付装置(154)を機体左右方向に複数個並設した植付部(4)を装着した乗用苗植機において、前記***カバ−部分(200)の前側及び左右両側部に位置するステップカバー(202)の中央部(202b)を後輪(19)の上端より低く構成し、ステップカバー(202)の後部(202c)を前記中央部(202b)より高くて座席(21)の後側を通って左右方向で前記中央部(202b)の左右外端位置にわたる構成とし、前記***カバ−部分(200)の上面を該ステップカバー(202)の後部(202c)と同じ高さに構成した乗用苗植機。 In the rear part of the riding vehicle body (2) provided with left and right front wheels (15), left and right rear wheels (19), and a raised cover portion (200) that protrudes from the step cover (202) below the seat (21), Riding equipped with a planting part (4) in which a plurality of planting devices (154) for taking out seedlings placed on each seedling mounting part (155a) of the mounting table (155) and planting them on a farm are arranged in the horizontal direction of the machine body. In the seedling planting machine, the center part (202b) of the step cover (202) located on the front side and the right and left side parts of the raised cover part (200) is configured to be lower than the upper end of the rear wheel (19), and the step cover (202 The rear portion (202c) is higher than the central portion (202b) and passes through the rear side of the seat (21) in the left-right direction and extends to the left and right outer end positions of the central portion (202b), and the raised cover portion ( 200) Extreme care during removal (202) of the rear (202c) and riding seedling planting machine constructed at the same height.
JP2005021675A 2005-01-28 2005-01-28 Sulky type seedling transplanter Pending JP2005176854A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100409737C (en) * 2006-09-04 2008-08-13 福田雷沃国际重工股份有限公司 Improved seedling transplanter
KR101009952B1 (en) 2007-10-29 2011-01-20 이세키노우키가부시키가이샤 Seedling planter

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5975329U (en) * 1982-11-12 1984-05-22 株式会社クボタ Auxiliary seat device for riding rice transplanter
JPS6122419U (en) * 1984-07-17 1986-02-08 ヤンマー農機株式会社 Alarm device in rice transplanter
JPS61242514A (en) * 1985-04-19 1986-10-28 井関農機株式会社 Riding type rice planter
JPS62186709A (en) * 1986-02-10 1987-08-15 井関農機株式会社 Riding type rice planter
JPS6379517A (en) * 1986-09-25 1988-04-09 ヤンマー農機株式会社 Planting controller of rice planter
JPH04135987A (en) * 1990-09-27 1992-05-11 Iseki & Co Ltd Running body for passenger

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5975329U (en) * 1982-11-12 1984-05-22 株式会社クボタ Auxiliary seat device for riding rice transplanter
JPS6122419U (en) * 1984-07-17 1986-02-08 ヤンマー農機株式会社 Alarm device in rice transplanter
JPS61242514A (en) * 1985-04-19 1986-10-28 井関農機株式会社 Riding type rice planter
JPS62186709A (en) * 1986-02-10 1987-08-15 井関農機株式会社 Riding type rice planter
JPS6379517A (en) * 1986-09-25 1988-04-09 ヤンマー農機株式会社 Planting controller of rice planter
JPH04135987A (en) * 1990-09-27 1992-05-11 Iseki & Co Ltd Running body for passenger

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN100409737C (en) * 2006-09-04 2008-08-13 福田雷沃国际重工股份有限公司 Improved seedling transplanter
KR101009952B1 (en) 2007-10-29 2011-01-20 이세키노우키가부시키가이샤 Seedling planter

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