JP2016067257A - Root crop harvesting machine - Google Patents

Root crop harvesting machine Download PDF

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JP2016067257A
JP2016067257A JP2014198985A JP2014198985A JP2016067257A JP 2016067257 A JP2016067257 A JP 2016067257A JP 2014198985 A JP2014198985 A JP 2014198985A JP 2014198985 A JP2014198985 A JP 2014198985A JP 2016067257 A JP2016067257 A JP 2016067257A
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pulling
foliage
vertical
wheel
raising
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Inventor
村並 昌実
Masami Muranami
村並  昌実
高木 真吾
Shingo Takagi
高木  真吾
英明 黒瀬
Hideaki Kurose
英明 黒瀬
弓達 武志
Takeshi Yumitatsu
武志 弓達
伸一 松家
Shinichi Matsuie
伸一 松家
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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 JP2014198985A priority Critical patent/JP2016067257A/en
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Abstract

PROBLEM TO BE SOLVED: To provide a root crop harvesting machine capable of favorably taking over foliage parts of root crops fallen down in a ridge furrow to a pulling-out conveyance device and surely performing harvesting of the root crops without leaving the root crops planted near the ridge furrow, and capable of maintaining the straightness even when treads of drive wheels are changed.SOLUTION: In a root crop harvesting machine, a plurality of longitudinally raising devices 64 in which longitudinally raising lugs 63a rake up foliage parts are provided in front of a pulling-out conveyance device 19 provided on a machine body at a center thereof in the left-to-right direction, and a ridge furrow raising device 69 which raises up the foliage parts fallen down in a ridge furrow is provided. The longitudinally raising devices 64 adjacent to the ridge furrow raising device 69 is moved upward with the longitudinally raising lugs 63a thereof inclined inside the machine body so that the longitudinally raising lugs 63a rake up the foliage parts.SELECTED DRAWING: Figure 2

Description

本発明は、圃場に植生した玉葱等の根菜類作物を引き抜いて収穫する根菜類収穫機に関するものである。   The present invention relates to a root vegetable harvesting machine that extracts and harvests root vegetable crops such as onions planted in a field.

下記の特許文献1には、作業者が機体の後部を歩きながらハンドルを操縦操作する歩行型の根菜類収穫機で、作物の植生した畝を左右の駆動輪で跨いで走行しながら機体の前部に設けた三条の縦引起し装置で圃場に倒伏した茎葉部を引き起こし、その作物の茎葉部を機体の左右中央で後上方に向かって設けた引抜搬送装置で挟持して後方へ送りながら引き抜き、茎葉部の付け根を茎葉切断装置で切断して球根部を圃場へ落下し、後で球根部を拾い集めて収穫する作業形態が記載されている。   Patent Document 1 listed below is a walking-type root vegetable harvesting machine in which an operator steers the steering wheel while walking the rear part of the aircraft. Pull up the leaves and leaves of the crop in the field with the three-row vertical pulling device provided in the section, hold the crops and leaves of the crop in the left and right center of the machine with the pulling and feeding device provided toward the rear and upward, and pull out while feeding backward An operation mode is described in which the root of the foliage is cut with a foliage cutting device, the bulb is dropped to the field, and the bulb is then collected and harvested.

特開2013−135626号公報JP 2013-135626 A

前記の歩行型根菜類収穫機は、畝溝に倒れている茎葉部を引起すために畝溝引起し装置が設けられ、この畝溝引起し装置で引起した茎葉部が隣の縦引起し装置に受け渡され、さらに引抜搬送装置に渡されて、引抜搬送装置の挟持作用で球根部が引き抜かれるのであるが、縦引起し装置の引起しラグが下方から上方へ移動しているために、畝溝引起し装置から縦引起し装置に受け渡された茎葉部が引抜搬送装置から遠ざかるようになって引抜搬送装置の挟持作用が茎葉部に充分働かず、抜き取られない根菜類が発生する場合がある。   The walking type root vegetable harvesting machine is provided with an eaves raising device for raising a fallen leaf portion in the eaves, and the elevating device adjacent to the elevating device is caused by the eaves raising device. Is passed to the pulling and conveying device, and the bulb portion is pulled out by the clamping action of the pulling and conveying device, but the pulling lug of the vertical pulling device is moving upward from below, When the stems and leaves passed from the eaves-groove raising device to the vertical raising device move away from the pulling and conveying device, and the pinching action of the drawing and conveying device does not work sufficiently on the foliage and root vegetables that cannot be extracted are generated There is.

また、左右の駆動輪は、畝幅に合わせてトレッドを変更可能にしているが、トレッドを広くすると、広がった側の駆動輪の接地圧が低くなって直進走行性が悪くなり、操縦操作が困難になる。   In addition, the left and right drive wheels can be treaded according to the width of the heel, but if the tread is widened, the ground pressure on the drive wheel on the widened side will become lower and the straight running performance will be worse, and the steering operation will be reduced. It becomes difficult.

本発明では、畝溝近くに植生した根菜類も抜き残すことなく、畝溝に倒れた根菜類の茎葉部を良好に引抜搬送装置に引き渡して根菜類の収穫が確実に行え、駆動輪のトレッドを変更しても直進性を維持する根菜類収穫機とすることを課題とする。   In the present invention, without removing any root vegetables planted in the vicinity of the trough, the stems and leaves of the root vegetables that have fallen into the trough are well delivered to the pulling and conveying device, and the root vegetables can be reliably harvested. It is an object of the present invention to provide a root crop harvesting machine that can maintain straightness even if it is changed.

上記本発明の課題は、次の技術手段により解決される。
請求項1に記載の発明は、縦引起しラグ63aが茎葉部を掻き上げる複数の縦引起し装置64を機体の左右中央に設けた引抜搬送装置19の前に設け、畝溝に倒れる茎葉部を引き起こす畝溝引起し装置69を設けた根菜類収穫機において、畝溝引起し装置69に隣接する縦引起し装置64をその縦引起しラグ63aが機体の内側に傾いた状態で上方へ移動して茎葉部を掻き上げるようにしたことを特徴とする根菜類収穫機とする。
The problems of the present invention are solved by the following technical means.
The invention according to claim 1 is provided in front of the pulling and conveying device 19 provided with a plurality of vertical pulling devices 64 which are vertically raised and the lugs 63a scrape up the foliage portions at the center of the left and right of the machine body, and the foliage portions that fall into the ridge In the root vegetable harvesting machine provided with the grooving device 69 for causing the grooving, the vertical elevating device 64 adjacent to the grooving device 69 is moved vertically with the lug 63a tilted to the inside of the machine body. Thus, a root vegetable harvesting machine characterized in that the stems and leaves are scraped up.

請求項2に記載の発明は、畝溝引起し装置69の畝溝引起しラグ68aが畝の法面に沿って上方へ移動するようにすると共に、隣接縦引起し装置64の縦引起しラグ63aが畝溝引起しラグ68aと略平行に上方移動することを特徴とする請求項1に記載の根菜類収穫機とする。   According to the second aspect of the present invention, the eaves groove raising lug 68a of the eaves groove elevating device 69 is moved upward along the slope of the eaves and the vertical elevating lug of the adjacent vertical elevating device 64 is provided. The root vegetable harvesting machine according to claim 1, wherein 63a is raised in a ridge and moves upward in parallel with the lug 68a.

請求項3に記載の発明は、縦引起しラグ63aが茎葉部を掻き上げる複数の縦引起し装置64を機体の左右中央に設けた引抜搬送装置19の前に設け、畝溝に倒れる茎葉部を引き起こす畝溝引起し装置69を設けた根菜類収穫機において、畝溝引起し装置69側の固定駆動輪84Rに対して反対側の可動駆動輪84Lをトレッド調節機構95で左右へ移動可能にすると共に、固定駆動輪84Rの車輪幅WRよりも可動駆動輪84Lの車輪幅WLを狭くしたことを特徴とする根菜類収穫機とする。   The invention according to claim 3 is provided in front of the pulling / conveying device 19 provided with a plurality of vertical pulling devices 64 which are vertically raised and the lugs 63a scrape up the stems and leaves at the center of the left and right of the machine body, and the foliage portions that fall into the ridges In the root vegetable harvesting machine provided with the eaves raising device 69 that causes the eaves, the movable drive wheel 84L on the opposite side to the fixed drive wheel 84R on the eaves raising device 69 side can be moved left and right by the tread adjusting mechanism 95. In addition, the root vegetable harvesting machine is characterized in that the wheel width WL of the movable drive wheel 84L is narrower than the wheel width WR of the fixed drive wheel 84R.

請求項4に記載の発明は、機体の前部を支持するゲージ輪73のゲージ輪昇降ケース70をゲージ輪昇降ロッド76でハンドル8近くのゲージ輪調節ハンドル77に連結する根菜類収穫機において、ゲージ輪昇降ロッド76を右駆動輪84Rより機体内側を通してハンドル8近傍に設けるゲージ輪調節ハンドル77に連結したことを特徴とする根菜類収穫機とする。   The invention according to claim 4 is a root crop harvesting machine in which a gauge wheel lifting case 70 of the gauge wheel 73 supporting the front part of the machine body is connected to a gauge wheel adjusting handle 77 near the handle 8 by a gauge wheel lifting rod 76. A root crop harvesting machine is characterized in that the gauge wheel raising / lowering rod 76 is connected to the gauge wheel adjustment handle 77 provided in the vicinity of the handle 8 through the inner side of the right drive wheel 84R.

請求項5に記載の発明は、機体の左右中央に設けた引抜搬送装置19の前に縦引起しラグ63aが茎葉部を掻き上げる複数の縦引起し装置64を設け、機体の前側を支持する前輪73を設け機体の後部に操縦ハンドル8を設けた根菜類収穫機において、前輪73の地面からの所定高さ上昇を検出する接地センサ147を設け、該接地センサ147の所定高さ上昇検出で引抜搬送装置19と縦引起し装置64の駆動を停止することを特徴とする根菜類収穫機とする。   According to the fifth aspect of the present invention, a plurality of vertical pulling devices 64 are provided in front of the pulling and conveying device 19 provided at the center of the left and right sides of the machine body, and the lugs 63a scrape up the foliage, and support the front side of the machine body. In the root crop harvesting machine in which the front wheel 73 is provided and the steering handle 8 is provided at the rear part of the machine body, a grounding sensor 147 for detecting a predetermined height increase from the ground of the front wheel 73 is provided, and the grounding sensor 147 detects the predetermined height increase. The root vegetable harvesting machine is characterized in that the driving of the drawing and conveying device 19 and the vertical pulling device 64 is stopped.

請求項6に記載の発明は、接地センサ147が接地を検出している状態で作業操作レバー11をオンすることで引抜搬送装置19と縦引起し装置64の駆動を開始することを特徴とする請求項5に記載の根菜類収穫機とする。   The invention described in claim 6 is characterized in that the pulling / conveying device 19 and the vertical pulling device 64 are started to be driven by turning on the work operation lever 11 while the grounding sensor 147 detects the grounding. The root vegetable harvester according to claim 5.

請求項7に記載の発明は、縦引起し装置64の下部に前方へ突出して茎葉部を掬い上げる掬い杆65,66を上下調整可能で所定以上の抵抗で側方へ回動するように設けたことを特徴とする請求項1から請求項6のいずれか1項に記載の根菜類収穫機とする。   According to the seventh aspect of the present invention, the scooping scissors 65 and 66 that project forward to the lower part of the vertical pulling device 64 and scoop up the foliage can be adjusted up and down, and can be turned to the side with a predetermined resistance or more. The root vegetable harvester according to any one of claims 1 to 6, wherein the root vegetable harvester is provided.

請求項8に記載の発明は、掬い杆65,66の所定角度以上の回動を検出する過負荷センサ148を設け、該過負荷センサ148が作動すると機体の走行を停止することを特徴とする請求項7に記載の根菜類収穫機とする。   The invention according to claim 8 is characterized in that an overload sensor 148 for detecting the rotation of the scooping scissors 65 and 66 over a predetermined angle is provided, and when the overload sensor 148 is activated, the traveling of the aircraft is stopped. A root crop harvesting machine according to claim 7.

請求項1に記載の発明で、畝溝引起し装置69で引起された茎葉部が隣接する縦引起し装置64の縦引起しラグ63aに引き継がれ、その縦引起しラグ63aの内側に傾いた上方移動で茎葉部が引抜搬送装置19に近付けられながら確実に渡されることで、畝端に植生する根菜類の茎葉部が引抜搬送装置19の挟持作用を受けて引き抜かれるようになるので、根菜類の引き抜きミスが無くなる。   In the invention according to claim 1, the foliage portion raised by the grooving raising device 69 is taken over by the vertical raising lug 63a of the adjacent vertical raising device 64 and tilted inward of the vertical raising lug 63a. Since the stems and leaves of the root vegetables planted at the heel end are pulled out by the clamping action of the pulling and conveying device 19 by reliably passing the stems and leaves close to the pulling and conveying device 19 by the upward movement, the root vegetables There is no longer any mistakes in pulling out.

請求項2に記載の発明で、畝の法面に倒れている茎葉部が畝溝引起し装置69から隣接縦引起し装置64に乱れなく引き継がれて、引抜搬送装置19に渡されて挟持作用を受けるので、根菜類の引き抜きミスが無くなる。   In the invention of claim 2, the foliage portion that has fallen on the slope of the ridge is taken over from the ridge groove raising device 69 to the adjacent vertical raising device 64 without being disturbed, and passed to the drawing and conveying device 19 for clamping. This eliminates mistakes in extracting root vegetables.

請求項3に記載の発明で、畝幅に応じてトレッド調節機構95で固定駆動輪84Rと可動駆動輪84Lの間隔を変更して、可動駆動輪84Lが機体の中心から遠ざかる場合に可動駆動輪84Lの受ける荷重が固定駆動輪84Rの受ける荷重よりも小さくなるが、その際に可動駆動輪84Lの車輪幅WLが固定駆動輪84Rの車輪幅WRより狭いことで、固定駆動輪84Rと可動駆動輪84Lの接地圧が均等になり機体の直進走行性が良くなって操縦が容易になる。   According to the third aspect of the present invention, when the distance between the fixed drive wheel 84R and the movable drive wheel 84L is changed by the tread adjusting mechanism 95 according to the width of the collar, and the movable drive wheel 84L moves away from the center of the fuselage, the movable drive wheel The load received by 84L is smaller than the load received by the fixed drive wheel 84R. At this time, the wheel width WL of the movable drive wheel 84L is narrower than the wheel width WR of the fixed drive wheel 84R. The ground contact pressure of the wheel 84L becomes uniform, and the straight running performance of the airframe is improved, and the maneuvering becomes easy.

請求項4に記載の発明で、ハンドル8側にいる作業者が機体の前に回り込む際にゲージ輪昇降ロッド76が邪魔にならず、移動し易い。
請求項5に記載の発明で、機体を旋回する場合には、機体の前部を上昇させるが、その旋回操作を接地センサ147で検出して引抜搬送装置19と縦引起し装置64の駆動を停止するので、無駄な動力消費を抑え、旋回中に引抜搬送装置19から収穫途中の根菜類が落下して散乱することが無い。
According to the fourth aspect of the present invention, the gauge wheel lifting rod 76 does not get in the way and easily moves when the worker on the handle 8 side turns around in front of the machine body.
In the fifth aspect of the invention, when the airframe is turned, the front part of the airframe is raised, but the turning operation is detected by the ground sensor 147 and the pulling / conveying device 19 and the vertical pulling device 64 are driven. Since it stops, wasteful power consumption is suppressed, and the root vegetables in the middle of harvesting from the pulling and conveying device 19 are not dropped and scattered during turning.

請求項6に記載の発明で、機体の旋回操作が終了するまでに作業操作レバー11をオンしても引抜搬送装置19と縦引起し装置64が駆動しないので、安全である。
請求項7に記載の発明で、請求項1から請求項6のいずれか1項に記載の降下に加えて、畝面に倒れている茎葉部を掬い杆65,66で掬いあげて縦引起し装置64で引起すのであるが、掬い杆65,66を畝面に添わせるように上下調整出来て、球根部に当たると側方へ回動して球根部を傷つけることが無い。
According to the sixth aspect of the present invention, the pulling / conveying device 19 and the vertical pulling device 64 are not driven even if the work operation lever 11 is turned on before the turning operation of the machine body is completed.
In the invention according to claim 7, in addition to the descent according to any one of claims 1 to 6, the stems and leaves that have fallen on the ridge are scooped up with scooping scissors 65, 66 and vertically raised. Although it is raised by the device 64, the scooping scissors 65, 66 can be adjusted up and down so as to follow the scissors surface, and when hitting the bulb part, it is turned to the side and the bulb part is not damaged.

請求項8に記載の発明で、掬い杆65,66が球根部に接触したままで機体が進行して球根部を傷つけることを防ぐ。   The invention according to claim 8 prevents the scissors 65 and 66 from coming into contact with the bulb portion and preventing the aircraft from moving and damaging the bulb portion.

玉葱収穫機の右側面図Right side view of onion harvester (a)玉葱収穫機の平面図、(b)縦引起し装置の要部平面図(A) Plan view of onion harvester, (b) Plan view of main part of vertical pulling device トレッド調節機構を示す要部平面図Main part plan view showing a tread adjusting mechanism 玉葱収穫機の要部背面図Rear view of main part of onion harvester 伝動軸と摺動ガイドの連結部を示す要部側面断面図Side sectional view of the main part showing the connecting part of the transmission shaft and sliding guide 揺動ソイラの要部側面図Side view of the main part of a rocking soiler 揺動ソイラの要部平面図Top view of the main part of a rocking soiler 揺動ソイラの要部正面図Front view of the main part of a rocking soiler 横引起し装置の正面図Front view of horizontal pulling device 横引起し装置の側面図Side view of horizontal pulling device 第1掬いバーの取付構成を示す斜視図The perspective view which shows the attachment structure of a 1st scoop bar 別実施例の第1掬いバーの一部平面図で、(a)第1掬いバーが縮んだ図、(b)第1掬いバーが伸びた図It is a partial top view of the 1st scooping bar of another Example, (a) The figure which the 1st scooping bar shrunk, (b) The figure which the 1st scooping bar extended

本発明の実施形態について説明する。なお、以下の説明では、機体の前進方向に向かって左を左側、右を右側と称するものとするが、本発明の構成を限定するものではない。
図に示す実施例は、根菜類として玉葱を収穫する歩行型の玉葱収穫機を示している。なお、以下の説明で、球根部とは玉葱そのもので、茎葉部とは地上に伸びた茎や葉の部分をいう。
An embodiment of the present invention will be described. In the following description, the left side is referred to as the left side and the right side is referred to as the right side in the forward direction of the aircraft, but the configuration of the present invention is not limited.
The embodiment shown in the figure shows a walking type onion harvester that harvests onions as root vegetables. In the following description, the bulb part is the onion itself, and the foliage part is a stem or leaf part extending to the ground.

機体フレーム1の後部にエンジン2とミッションケース3を内装する駆動ケース4を設け、該駆動ケース4の上部に燃料タンク5を設けるとともに、前部に分岐伝動ケース6を設ける。エンジン2は、内装されるリコイルスタータ(図示省略)を手動で始動操作するための、始動グリップ2sを備えており、作業者が始動グリップ2sを引っ張ることでエンジン2を始動させる構成とする。   A drive case 4 that houses the engine 2 and the transmission case 3 is provided at the rear of the body frame 1, a fuel tank 5 is provided at the top of the drive case 4, and a branch transmission case 6 is provided at the front. The engine 2 includes a start grip 2s for manually starting an internal recoil starter (not shown), and the engine 2 is started by an operator pulling the start grip 2s.

そして、分岐伝動ケース6の前部に側面視「へ」の字形状の左右のハンドル支持フレーム7,7の基部を垂直姿勢で設け、該左右のハンドル支持フレーム7,7の屈曲部より上側を後上がり傾斜姿勢で配置し、後端部を平面視で「コ」の字形状のハンドル8で連結する。該ハンドル8は燃料タンク5よりも機体後方に突出させて配置し、該ハンドル8の左右両側にはサイドクラッチ機構(図示省略)を入切させるクラッチハンドル9,9を各々設ける。   Then, the base portions of the left and right handle support frames 7 and 7 having a “H” shape in a side view are provided in a vertical posture at the front portion of the branch transmission case 6, and the upper side from the bent portions of the left and right handle support frames 7 and 7 is provided. It arrange | positions with a back raising inclination attitude | position, and connects the rear-end part with the handle | steering-shape 8 of "U" by planar view. The handle 8 is disposed so as to protrude rearward from the fuel tank 5, and clutch handles 9 and 9 for turning on and off a side clutch mechanism (not shown) are provided on the left and right sides of the handle 8, respectively.

さらに、図2で示すとおり、前記燃料タンク5の左側、即ち機体左側に、機体の前後進及び走行速度を操作する走行操作レバー10を設けるとともに、右側、即ち機体右側に、収穫作業に用いる、後述する引抜搬送装置19、横引起し装置41及び縦引起し装置64への駆動力の入切を切り替える作業操作レバー11を設ける。また、前記ハンドル8の左側にエンジン2を停止させるエンジン停止スイッチ96を設けると共に、右側にエンジン2の回転数を増減させるスロットルレバー97を設ける。   Further, as shown in FIG. 2, a travel operation lever 10 for operating the forward and backward movement and travel speed of the aircraft is provided on the left side of the fuel tank 5, that is, on the left side of the aircraft, and used for harvesting work on the right side, that is, on the right side of the aircraft. A work operation lever 11 for switching on / off of driving force to the pulling / conveying device 19, the lateral pulling device 41 and the vertical pulling device 64 described later is provided. An engine stop switch 96 for stopping the engine 2 is provided on the left side of the handle 8, and a throttle lever 97 for increasing or decreasing the rotational speed of the engine 2 is provided on the right side.

そして、図1及び図2で示すとおり、前記分岐伝動ケース6から前側上方に向かって左右の引抜駆動シャフト12,12を後下がり傾斜姿勢で設け、該左右の引抜駆動シャフト12,12の上端部に左右の引抜駆動プーリ13,13を各々装着する。また、前記左右の引抜駆動プーリ13,13の下部に機体の左右中央で前後方向の長辺を有する左右の引抜フレーム14,14を後上がり傾斜姿勢で各々設け、該左右の引抜フレーム14,14の前端部に左右の引抜従動プーリ15,15を各々回転自在に設ける。   As shown in FIGS. 1 and 2, left and right pulling drive shafts 12, 12 are provided in a downwardly inclined posture toward the front upper side from the branch transmission case 6, and upper ends of the left and right pulling drive shafts 12, 12. The left and right pulling drive pulleys 13 and 13 are mounted on the left and right, respectively. The left and right pulling drive pulleys 13 and 13 are respectively provided with left and right pulling frames 14 and 14 having long sides in the front-rear direction at the center of the left and right sides of the machine body in a tilted rearward posture. Left and right pulling driven pulleys 15 and 15 are rotatably provided at the front end of each.

さらに、該左右の引抜従動プーリ15,15と左右の引抜駆動プーリ13,13の前後間に亘って複数の左右のテンションローラ16,16…を回転自在に設け、左右の引抜従動プーリ15,15と左右の引抜駆動プーリ13,13と左右のテンションローラ16,16…に玉葱の茎葉部を挟持して圃場から引き抜く左右の引抜搬送ベルト17,17を夫々巻回する。そして、前記左右の引抜フレーム14,14の上方に左右の引抜カバー18,18を左右の引抜フレーム14,14と平行姿勢、即ち傾斜角度を略同じとする後上がり傾斜姿勢で設けることにより、引抜搬送装置19が構成される。   Further, a plurality of left and right pulling driven pulleys 15, 15 are provided rotatably between the left and right pulling driven pulleys 15, 15 and the left and right pulling driving pulleys 13, 13. The left and right pulling drive pulleys 13, 13 and the left and right tension rollers 16, 16,... The left and right extraction covers 18 and 18 are provided above the left and right extraction frames 14 and 14 in a parallel posture with the left and right extraction frames 14 and 14, that is, in a rearward rising inclination posture having substantially the same inclination angle. A transport device 19 is configured.

また、前記左右の引抜駆動シャフト12,12を被覆する左右のシャフトカバー12a,12aに、前記引抜搬送装置19の搬送終端部から排出される玉葱の茎葉部を機体の右側あるいは左側に排出案内する排葉ガイドプレート20を各々配置する。該左右の排葉ガイドプレート20,20は前記左右の引抜駆動プーリ13,13の下部で、且つ引抜搬送装置19が茎葉部を搬送しない機体外側位置、即ち非作業位置に配置する。また、左右の排葉ガイドプレート20,20は、バネ鋼材等の、弾性を有する素材で構成するものとする。   Further, the left and right shaft covers 12a and 12a covering the left and right pulling drive shafts 12 and 12 guide the stems and leaves of the onion discharged from the transfer terminal end of the pulling transfer device 19 to the right or left side of the machine body. The defoliation guide plates 20 are arranged respectively. The left and right leaflet guide plates 20 and 20 are disposed below the left and right pulling drive pulleys 13 and 13 and at a position outside the machine body where the pulling and conveying device 19 does not transfer the foliage, that is, a non-working position. In addition, the left and right leaflet guide plates 20 and 20 are made of an elastic material such as a spring steel material.

上記構成としたことにより、後述する切断回転刃49及び切断固定刃で切断した玉葱の茎葉部が引抜搬送装置19の終端部まで移動すると、茎葉部は左側または右側の引抜搬送ベルト17と排葉ガイドプレート20に挟まれた状態で、機体の左外側または右外側に排出されるので、引抜搬送装置19や機体フレーム1上に茎葉部が残ることが防止され、切断された茎葉部の除去作業が不要とになり、メンテナンス性が向上する。   With the above-described configuration, when the foliage portion of the onion cut by the cutting rotary blade 49 and the cutting fixed blade, which will be described later, moves to the terminal portion of the drawing and conveying device 19, the foliage portion is connected to the left or right drawing conveyance belt 17 and the drainage leaf. Since it is discharged to the left outer side or right outer side of the machine body while being sandwiched between the guide plates 20, it is prevented that the foliage part remains on the drawing / conveying device 19 and the machine frame 1, and the cut foliage part is removed. Is no longer necessary, and maintenance is improved.

なお、排葉ガイドプレート20は機体外側に突出させ、引抜搬送装置19と後述する左右の駆動輪84L,84Rの間の空間部に向かって排出される茎葉部を案内する構成とすると、排出された茎葉部が機体上に残ることが防止され、茎葉部の除去作業が不要となる。   Note that the leaflet guide plate 20 protrudes outward from the machine body and guides the stems and leaves discharged toward the space between the pulling and conveying device 19 and left and right drive wheels 84L and 84R, which will be described later. This prevents the foliage part from remaining on the airframe and eliminates the need for removing the foliage part.

また、図6から図8に示すとおり、前記機体フレーム1の後側の左右一側に上下方向に長い支持プレート99を設け、該支持プレート99の上部に前記分岐伝動ケース6から左右一側に延出させた出力軸6aの左右一側端部を貫通させる。そして、該支持プレート99の左側、即ち機体左外側に揺動ソイラ29を平面視で前後方向に回動させる回動ロッド100の基部を設けると共に、該支持プレート99の右側、即ち機体右内側に揺動ソイラ29を機体前後方向に揺動させる揺動ロッド101の基部を設ける。   Further, as shown in FIGS. 6 to 8, a support plate 99 that is long in the vertical direction is provided on the left and right sides of the rear side of the body frame 1, and the support plate 99 is disposed on the left and right sides from the branch transmission case 6. The left and right ends of the extended output shaft 6a are passed through. A base of a rotating rod 100 for rotating the rocking sourer 29 in the front-rear direction in a plan view is provided on the left side of the support plate 99, that is, on the left outer side of the body, and on the right side of the support plate 99, that is, on the right inner side of the body. A base part of a rocking rod 101 for rocking the rocking soiler 29 in the longitudinal direction of the machine body is provided.

なお、該揺動ロッド101は、機体左側にも設け、左側の揺動ソイラ29も同様に揺動させる構成とする。
回動ロッド100は、前記出力軸6aを挿し込む回動偏心カム100aと、該回動偏心カム100aに取り付ける前後方向の回動軸部100bで構成すると共に、該回動軸部100bの前端部にピローボール100cを設ける。また、該揺動ロッド101は、前記出力軸6aを挿し込む揺動偏心カム101aと、機体前側の取付ボス101cの間に揺動軸部101bを設けて構成する。
The rocking rod 101 is also provided on the left side of the machine body, and the left rocking sounder 29 is similarly rocked.
The rotating rod 100 includes a rotating eccentric cam 100a into which the output shaft 6a is inserted, and a rotating shaft portion 100b in the front-rear direction attached to the rotating eccentric cam 100a, and a front end portion of the rotating shaft portion 100b. A pillow ball 100c is provided. The swing rod 101 is configured by providing a swing shaft portion 101b between a swing eccentric cam 101a into which the output shaft 6a is inserted and a mounting boss 101c on the front side of the machine body.

そして、前記回動ロッド100の前端部に設けるピローボール100cを、上下方向のソイラ回動アーム102の上部に設ける回動プレート103に設ける。該回動プレート103は、ソイラ回動アーム102の上端部に着脱自在に、且つ装着時は回動プレート103が回動するとソイラ回動アーム102が連動して回動する構成とする。また、該回動プレート103の左右一側(機体外側)には回動連結ピン103aを設け、該回動連結ピン103aをピローボール100cに差し込んで連結する。   Then, the pillow ball 100 c provided at the front end of the rotating rod 100 is provided on the rotating plate 103 provided on the upper part of the vertical rotating arm 102. The rotating plate 103 is detachably attached to the upper end of the sour rotating arm 102, and when mounted, the rotating plate 103 rotates in conjunction with the rotating rotating plate 103. In addition, a rotation connection pin 103a is provided on one side of the rotation plate 103 on the left and right sides (outside the machine body), and the rotation connection pin 103a is inserted and connected to the pillow ball 100c.

これにより、回動ロッド100は、出力軸6aによって回転されると、揺動偏心カム100aの偏心回転によって前後方向に往復移動し、この前後の往復移動によってピローボール100cと連結される回動プレート103が平面視で前後方向に往復回動し、回動プレート103の下部に設けられたソイラ回動アーム102を連動して前後方向に往復回動させる構成となる。   Thereby, when the rotating rod 100 is rotated by the output shaft 6a, the rotating plate 100 reciprocates in the front-rear direction by the eccentric rotation of the swing eccentric cam 100a, and is connected to the pillow ball 100c by the front-rear reciprocating movement. 103 is reciprocatingly rotated in the front-rear direction in a plan view, and is configured to reciprocally rotate in the front-rear direction in conjunction with the solitary rotation arm 102 provided at the lower portion of the rotation plate 103.

さらに、ソイラ回動アーム102の下部には、二又形状のソイラ支持アーム105を上下方向に設け、該ソイラ支持アーム105の二又部分に揺動ソイラ29の上部側を差し込み、ソイラ支持アーム105と揺動ソイラ29に各々形成した連結孔(図示省略)を合わせ、この連結孔にボルト・ナット等の固定部材29aを差し込んで揺動ソイラ29を固定する。該揺動ソイラ29は、下部側を引抜搬送域側に屈曲させて正面視でL字形状(逆L字形状)に形成し、畝の側方から土中に進入させる構成としている。   Further, a bifurcated solitary support arm 105 is provided in the vertical direction below the sour rotating arm 102, and the upper side of the swinging soli 29 is inserted into the bifurcated portion of the sora support arm 105. And connecting holes (not shown) respectively formed in the swinging sour 29, and fixing members 29a such as bolts and nuts are inserted into the connecting holes to fix the swinging sour 29. The oscillating sour 29 has a configuration in which the lower side is bent toward the pulling and conveying area and formed into an L shape (reverse L shape) when viewed from the front, and enters the soil from the side of the ridge.

なお、前記連結孔は、ソイラ支持アーム105または揺動ソイラ29のどちらか一方、または両方に上下方向に複数形成し、組み合わせる連結孔を変更することによって、揺動ソイラ29の作業高さを変更可能に構成すると、収穫する作物の上下長さや土中の埋没深さ、あるいはマルチフィルムの有無等の条件に合った適切な高さに設定することができ、収穫対象の作物を傷付けることなく土が解せるため、根菜の品質が維持されると共に、作業能率が向上する。   A plurality of the connection holes are formed in the vertical direction on either or both of the support arm 105 and the swing soiler 29, and the working height of the swing soiler 29 is changed by changing the combined connection hole. If possible, it can be set to an appropriate height that meets conditions such as the vertical length of the crop to be harvested, the depth of burial in the soil, or the presence or absence of multi-film, and the soil to be harvested is not damaged. Therefore, the quality of root vegetables is maintained and the work efficiency is improved.

なお、少なくともピローボール100cと回動連結ピン103aの連結部に、保護カバー(図示省略)を設け、連結部に茎葉部や砂を噛み込むことによる回動動作の停止や、噛み込んだ砂等によりピローボール100cと回動連結ピン103aが摩り減ることを防止する。   In addition, a protective cover (not shown) is provided at least at the connecting portion between the pillow ball 100c and the rotating connecting pin 103a to stop the rotating operation by biting a foliage portion or sand into the connecting portion, or the biting sand, etc. This prevents the pillow ball 100c and the rotation connecting pin 103a from being worn away.

そして、前記ソイラ回動アーム102の外周部で且つ、前記回動プレート103とソイラ支持アーム105の上下間に、中空のソイラ揺動ケース107を設ける。該ソイラ揺動ケース107の機体内側の上端部側には、前記揺動ロッド101の取付ボス101cを挿し込む揺動連結ピン106を設ける。   A hollow solitary swinging case 107 is provided on the outer periphery of the sour rotating arm 102 and between the rotating plate 103 and the upper and lower support arms 105. A swing connecting pin 106 for inserting the mounting boss 101c of the swing rod 101 is provided on the upper end side of the inner side of the body of the rocker swing case 107.

なお、前記ソイラ揺動ケース107が揺動ロッド101により前後方向に移動させられているときでも、前記ソイラ回動アーム102は回動ロッド100による回動プレート103の回動に連動して機体前後方向に往復回動できる構成とする。   Even when the solitary rocking case 107 is moved in the front-rear direction by the rocking rod 101, the solitary rotating arm 102 is interlocked with the rotation of the rotating plate 103 by the rotating rod 100. It is set as the structure which can reciprocately rotate to a direction.

これにより、揺動ロッド101は、出力軸6aによって回転されると、揺動偏心カム101aの偏心回転によって前後方向に往復移動し、ソイラ回動アーム102を前後方向に往復揺動させる構成となる。   Thus, when the swinging rod 101 is rotated by the output shaft 6a, the swinging eccentric cam 101a is reciprocated in the front-rear direction by the eccentric rotation of the swinging eccentric cam 101a, thereby reciprocatingly swinging the solitary rotating arm 102 in the front-rear direction. .

上記の構成により、出力軸6aが回転すると、回動ロッド100が前後方向に往復移動され、この往復移動に伴いソイラ回動アーム102が平面視で前後方向に往復回動することにより、ソイラ支持アーム105に設けられた揺動ソイラ29を平面視で前後方向に回動させることができるので、揺動ソイラ29の基部側から端部側に亘って土を確実に掘り解すことができ、複数条の玉葱を引き抜く際に土が抵抗になることが防止され、作業能率が向上する。   With the above configuration, when the output shaft 6a rotates, the rotating rod 100 is reciprocated in the front-rear direction, and along with this reciprocating movement, the soli-rotating arm 102 reciprocally rotates in the front-rear direction in plan view. Since the swinging sour 29 provided on the arm 105 can be rotated in the front-rear direction in a plan view, the soil can be dug reliably from the base side to the end side of the swinging sour 29. The soil is prevented from resisting when the onion is pulled out, and the work efficiency is improved.

特に、揺動ソイラ29の取付基部から機体内側方向に離れた位置に植生している玉葱、即ち畝の左右方向の中央寄りに植生している玉葱の周囲の土が解れやすくなるので、引抜作業能率が向上すると共に、玉葱の抜き残しが防止され、作業者が手作業で玉葱を収穫する時間と労力が軽減される。   In particular, since the soil around the onion planted at a position away from the mounting base of the swinging soiler 29 in the body inner direction, that is, the onion planted near the center in the left-right direction of the kite, can be easily unwound. The efficiency is improved, the onion is prevented from being left unchecked, and the time and labor for the operator to manually harvest the onion are reduced.

加えて、揺動ソイラ29が左右一側のソイラ回動アーム102を支点として回動することにより、揺動ソイラ29の左右他側ほど回動量が多くなるので、土を解す前後幅が広くなり、土の掘り解しがいっそう確実に行われ、玉葱の引抜収穫作業の能率が向上する。   In addition, since the swinging sour 29 rotates about the left and right side of the swinging arm 102 as a fulcrum, the amount of rotation increases toward the other left and right sides of the swinging soy 29, so that the width before and after unraveling the soil becomes wider. The soil is dug more reliably and the efficiency of the onion pulling and harvesting work is improved.

また、出力軸6aが回転すると、揺動ロッド101が前後方向に往復移動されることにより、揺動ソイラ29を前後方向に揺動させることができるので、土の抵抗に負けることなく畝土が解され、玉葱が引き抜き損なわれることが防止され、作業者が玉葱を掘り取る作業が不要となり、作業者の労力が軽減される。   Further, when the output shaft 6a rotates, the rocking rod 101 is reciprocated in the front-rear direction, so that the rocking soiler 29 can be swung in the front-rear direction. As a result, the onion is prevented from being pulled out and damaged, and the operator does not need to dig up the onion, thereby reducing the labor of the operator.

さらに、揺動ロッド101による揺動ソイラ29の前後方向の揺動と、回動ロッド100による揺動ソイラ29の前後方向の回動が複合して行われることにより、複数条の玉葱の周辺の土を確実に解すことができるので、複数条の玉葱を引き抜き損なうことなく収穫することができ、作業能率が向上すると共に、作業者が抜き残された玉葱を手作業で収穫する必要が無く、時間と労力が軽減される。   Furthermore, the rocking rod 101 is swung in the front-rear direction by the rocking rod 101 and the rocking sour 29 is swung in the front-rear direction by the rotating rod 100, so that Since the soil can be unraveled reliably, it is possible to harvest multiple onions without losing pulling out, improving work efficiency and eliminating the need for the operator to manually harvest the remaining onions, Save time and effort.

次に、圃場から引き抜いた玉葱の茎葉部を決められた高さで切断し、圃場面に移動させる構成について説明する。
図1または図2で示すとおり、前記引抜搬送装置19の前端部に設けた左右の引抜従動プーリ16,16の左右の回転軸16a,16aの上端部を、前記左右の引抜カバー19,19を貫通させて上方に突出させ、該左右の回転軸16a,16aの上端部に左右の入力スプロケット31,31を機体前側部分に内装した左右の伝動ケース34,34を後上がり傾斜姿勢で左右の引抜カバー19,19の上部に設ける。また、該左右の伝動ケース34,34の後側に左右の出力スプロケット32,32を回転自在に各々内装するとともに、該左右の入力スプロケット31,31と左右の出力プーリ32,32に左右の伝動チェーン33,33を各々巻回する。
Next, the structure which cuts the foliage part of the onion extracted from the agricultural field at the determined height and moves it to the agricultural scene will be described.
As shown in FIG. 1 or 2, the upper ends of the left and right rotary shafts 16a and 16a of the left and right pulling driven pulleys 16 and 16 provided at the front end of the pulling and conveying apparatus 19 are connected to the left and right pulling covers 19 and 19, respectively. The left and right transmission cases 34, 34 having left and right input sprockets 31, 31 installed in the front part of the fuselage at the upper end of the left and right rotating shafts 16a, 16a are pulled out left and right in a tilted posture. Provided on top of the covers 19,19. In addition, left and right output sprockets 32, 32 are rotatably mounted on the rear sides of the left and right transmission cases 34, 34, respectively, and the left and right input sprockets 31, 31 and the left and right output pulleys 32, 32 have left and right transmissions. Each of the chains 33 and 33 is wound.

そして、前記左右の出力スプロケット32,32の上部側に左右の第1ユニバーサルジョイント35,35の下端部を装着し、該左右の第1ユニバーサルジョイント35,35の上端部に左右の横引起し駆動プーリ36,36を各々装着するとともに、該左右の横引起し駆動プーリ36,36を装着する左右の横引起しフレーム37,37を後上り傾斜姿勢で配置する。該左右の横引起しフレーム37,37の後上がり傾斜角度は、前記左右の引抜フレーム14,14の後上がり傾斜角度よりも大きく設定する。   Then, the lower ends of the left and right first universal joints 35 and 35 are mounted on the upper sides of the left and right output sprockets 32 and 32, and the left and right laterally driven are driven at the upper ends of the left and right first universal joints 35 and 35. Each of the pulleys 36 and 36 is mounted, and the left and right laterally raised frames 37 and 37 to which the left and right laterally driven drive pulleys 36 and 36 are mounted are arranged in a rear-upward inclined posture. The rearward tilt angle of the left and right laterally raised frames 37, 37 is set larger than the rearward tilt angle of the left and right pull-out frames 14, 14.

さらに、該左右の横引起しフレーム37,37の下端部に左右の横引起し従動プーリ38,38を各々回転自在に設け、該左右の横引起し駆動プーリ36,36と左右の横引起し従動プーリ38,38の上下間に複数の横引起しテンションプーリ(図示省略)を設ける。また、左右の横引起し駆動プーリ36,36と左右の横引起し従動プーリ38,38と複数の横引起しテンションプーリにゴムやスポンジ等の弾性体で構成する複数の横引起しラグ39a…を等間隔に設けた左右の横引起しベルト39,39を巻回し、該左右の横引起しベルト39,39の上方に前記左右の横引起しフレーム37,37と平行姿勢で左右の横引起しカバー40,40を各々設けることにより、横引起し装置41が構成される。   Further, left and right laterally driven driven pulleys 38, 38 are rotatably provided at the lower ends of the left and right laterally raised frames 37, 37, respectively, and the left and right laterally driven drive pulleys 36, 36 and the left and right laterally raised pulleys are provided. A plurality of lateral pulling tension pulleys (not shown) are provided between the upper and lower sides of the driven pulleys 38 and 38. In addition, left and right laterally driven drive pulleys 36, 36, left and right laterally driven follower pulleys 38, 38, and a plurality of laterally raised tension pulleys, a plurality of laterally raised lugs 39a formed of an elastic material such as rubber or sponge. Left and right laterally raised belts 39, 39 are wound around the left and right laterally raised belts 39, 39, and left and right laterally raised frames 37, 37 are parallel to the left and right laterally raised frames 37, 37. By providing the cover 40, 40, a lateral pulling device 41 is configured.

なお、前記左右の横引起しベルト39,39に設けた横引起しラグ39,39a…は、先端部同士が引抜搬送装置19の引抜搬送域に近接するとともに互いに接触しない位置に配置する。   The laterally raised lugs 39, 39 a... Provided on the left and right laterally raised belts 39, 39 are arranged at positions where their tip portions are close to the drawing conveyance area of the drawing conveyance device 19 and are not in contact with each other.

上記構成により、横引起しラグ39a,39a…同士が接触することが防止されるので、接触の衝撃で引き起こし中の茎葉部が落下することが防止され、引抜搬送装置19で確実に玉葱を圃場から引き抜くことができ、作業能率が向上する。   With the above configuration, the lugs 39a, 39a,... Are prevented from coming into contact with each other, so that the stems and leaves caused by the impact of the contact are prevented from falling, and the onion is surely placed on the field by the pulling and conveying device 19. The work efficiency is improved.

前記左右の出力伝動ケース34,34の下部側に、左右の第2ユニバーサルジョイント(図示省略)を内装する中継伝動ケース42,42の上端部を設け、該左右の中継伝動ケース42,42の下端部に左右の肩揃え駆動プーリ43,43をそれぞれ設ける。そして、該左右の肩揃えプーリ43,43の上部及び下部に、左右の上部肩揃えフレーム44,44と左右の下部肩揃えフレーム45,45の前端部を設け、該左右の上部肩揃えフレーム44,44と左右の下部肩揃えフレーム45,45の後端部に左右の肩揃え従動プーリ46L,46Rを各々回転自在に装着し、該左右の肩揃え駆動プーリ43,43と左右の肩揃え従動プーリ46L,46Rに左右の肩揃えベルト50,50を無端状に巻回する。   Upper ends of the relay transmission cases 42 and 42 that house the left and right second universal joints (not shown) are provided on the lower side of the left and right output transmission cases 34 and 34, and the lower ends of the left and right relay transmission cases 42 and 42 are provided. Left and right shoulder alignment drive pulleys 43, 43 are provided at the respective portions. The left and right shoulder alignment pulleys 43, 43 are provided with front end portions of left and right upper shoulder alignment frames 44, 44 and left and right lower shoulder alignment frames 45, 45 at the upper and lower portions of the left and right shoulder alignment pulleys 43, 43, respectively. 44 and left and right lower shoulder alignment frames 45, 45, left and right shoulder-aligned driven pulleys 46L and 46R are rotatably attached to the left and right shoulder-aligned drive pulleys 43 and 43 and left and right shoulder-aligned followers, respectively. The left and right shoulder alignment belts 50, 50 are wound around the pulleys 46L, 46R in an endless manner.

さらに、前記左右の上部肩揃えフレーム44,44のうち、機体左右一側の上部肩揃えフレーム44に、機体後部側を中心に上下回動する切断フレーム47を設け、該切断フレーム47の機体前部側に、前記左右の肩揃えベルト50,50と左右の引抜搬送ベルト17,17で挟持搬送中の茎葉切断刃49を着脱可能に設けると共に、該茎葉切断刃49を回転駆動させる切断モータ48を設けることにより、引抜搬送装置19で搬送中の玉葱の上昇を下部肩揃えフレーム45,45で制限し、茎葉部の切断位置を所定位置に揃えてから切断する、肩揃え装置51が構成される。   Further, of the left and right upper shoulder alignment frames 44, 44, the upper shoulder alignment frame 44 on one side of the left and right sides of the machine body is provided with a cutting frame 47 that rotates up and down around the rear side of the machine body. A cutting motor 48 that detachably provides a foliage cutting blade 49 that is nipped and conveyed by the left and right shoulder alignment belts 50 and 50 and the left and right pulling conveying belts 17 and 17 and that drives the foliage cutting blade 49 to rotate. Thus, the shoulder aligner 51 is configured to restrict the rise of the onion being transported by the pulling and transporting device 19 by the lower shoulder alignment frames 45 and 45, and to cut the foliage portion after aligning the cutting position to a predetermined position. The

なお、前記切断モータ48は、バッテリから電気を受けて作動する電動式、後述する油圧バルブ92から作動油を受けて作動する油圧式、あるいはその他の作動方式から、適宜構成しやすいものとする。   The cutting motor 48 is easily configured as appropriate from an electric type that operates by receiving electricity from a battery, a hydraulic type that operates by receiving hydraulic oil from a hydraulic valve 92, which will be described later, or another type of operation.

上記構成により、切断位置が所定位置に揃えられてから茎葉部が茎葉切断刃49に切断されるので、茎葉部が大きく切り残されて作業者が後から手作業で茎葉部を切断する作業が不要となるので、作業者の労力が軽減されるとともに、作業能率が向上する。   With the above configuration, the foliage portion is cut by the foliage cutting blade 49 after the cutting position is aligned to a predetermined position, so that the foliage portion is largely left uncut and the operator manually cuts the foliage portion later. Since it becomes unnecessary, the labor of the operator is reduced and the work efficiency is improved.

また、玉葱が持ち上げられ過ぎ、茎葉切断刃49が玉葱の球形部分、所謂可食部を切断することを防止できるので、玉葱が傷付くことがなく、玉葱の商品価値が維持される。
そして、茎葉切断刃49を着脱自在に設けたことにより、収穫後に行う玉葱の乾燥作業を、玉葱を吊り下げて行う場合は、茎葉部を切断せずに掘り起こすことができるので、作業条件への適応性の高い作物収穫機となる。
Further, since the onion is lifted too much and the foliage cutting blade 49 can be prevented from cutting the spherical portion of the onion, the so-called edible portion, the onion is not damaged and the commercial value of the onion is maintained.
And by providing the stalk-and-leaves cutting blade 49 in a detachable manner, when the onion drying operation performed after harvesting is performed by hanging the onion, the stalk and leaf portion can be dug up without being cut, so It will be a highly adaptable crop harvester.

さらに、切断フレーム47を上下回動自在に設けたことにより、切断フレーム47を上下方向に回動させて茎葉切断刃49の切断高さを変更自在に構成することができるので、玉葱を圃場で天日乾燥させる際には茎葉部を僅かに(約3〜5cm)残す切断高さとし、玉葱を乾燥機等に吊るして乾燥させる際には、玉葱を吊るすための茎葉部を大幅に(約10〜20cm)残す切断高さとすることができるので、作業条件の適応性の高い根菜類収穫機となる。   Further, by providing the cutting frame 47 so as to be pivotable up and down, the cutting frame 47 can be pivoted in the vertical direction so that the cutting height of the foliage cutting blade 49 can be freely changed. When the sun is dried, the cutting height is set to leave a slight amount (about 3 to 5 cm) of the foliage, and when the onion is hung on a dryer or the like, the foliage for hanging the onion is greatly increased (about 10 cm). Since it can be set to the cutting height which remains, it becomes a root vegetable harvester with high adaptability of working conditions.

なお、機体左右他側の上部肩揃えフレーム44に固定切断刃を着脱自在に設け、この固定切断刃を茎葉切断刃49の刃縁部の上側または下側とオーバーラップさせて茎葉部を挟み切る構成とすると、茎葉部を逃がすことなく切断することができるので、玉葱に茎葉部が切断されずに残り、作業者が手作業で残葉を切断する作業が不要となる。ただし、玉葱の茎葉部を切除する際、球形部分の近傍から切除すると商品価値を有する可食部が傷付き、品質や商品価値の低下を招くので、茎葉部の下端部側は僅かに切り残されるものとする。   A fixed cutting blade is detachably provided on the upper shoulder alignment frame 44 on the left and right sides of the machine body, and the fixed cutting blade is overlapped with the upper side or the lower side of the edge of the foliage cutting blade 49 so as to sandwich the foliage portion. Since it can cut | disconnect without letting a foliage part escape, it will remain without cutting a foliage part on an onion, and the operation | work which an operator cuts a remaining leaf manually will become unnecessary. However, when cutting off the stems and leaves of the onion, the edible part having commercial value is damaged if it is cut from the vicinity of the spherical part, resulting in a decrease in quality and commercial value. Shall be.

また、図2に示すとおり、右側の肩揃え従動プーリ46Rを、左側の肩揃え従動プーリ46Lよりも機体前側位置に配置すると共に、左右の上部肩揃えフレーム44,44に、左側の肩揃え従動プーリ46L側に茎葉部を案内するガイドバー52を各々設ける。さらに、左側の肩揃え従動プーリ46Lには、突起を備える円盤部材、所謂スターホイルを装着し、この突起で茎葉部を機体左外側に案内する構成とする。   Further, as shown in FIG. 2, the right shoulder-aligned driven pulley 46R is disposed at the front side of the machine relative to the left shoulder-aligned driven pulley 46L, and the left and right upper shoulder-aligned frames 44, 44 are moved to the left shoulder-aligned driven pulley. Guide bars 52 for guiding the foliage are provided on the pulley 46L side. Furthermore, the left shoulder-aligned driven pulley 46L is provided with a so-called star wheel having a protrusion, and the protrusions and leaves are guided to the left outer side of the machine body by this protrusion.

上記構成により、切断された茎葉部を肩揃え装置51の搬送終端部で挟持状態から開放したあと、左側の肩揃えベルト50と左右のガイドバー52,52によって茎葉部を機体左側に案内することができるので、茎葉部の排出方向が一定になり、茎葉部を圃場から回収する際の作業が容易になる。   With the above configuration, after the cut foliage portion is released from the nipping state at the conveyance end portion of the shoulder aligner 51, the foliage portion is guided to the left side of the machine body by the left shoulder alignment belt 50 and the left and right guide bars 52, 52. Therefore, the discharge direction of the foliage part becomes constant, and the work at the time of collecting the foliage part from the field becomes easy.

また、機体左側に茎葉部が集中して排出されることにより、機体右側の未収穫の玉葱に茎葉部が落下することを防止できるので、収穫作業を行う玉葱の上に乗った茎葉部が玉葱の収穫作業を妨害することが防止され、作業能率が向上する。   Also, since the foliage is concentrated and discharged on the left side of the machine, it can be prevented that the foliage falls on the unharvested onion on the right side of the machine. This prevents the harvesting operation from being disturbed and improves the work efficiency.

前記肩揃え装置51の左右中心の後側には、図1及び図4で示すとおり、前記分岐伝動ケース6から駆動力を受けて回転する案内駆動プーリ53を設けた案内駆動ケース56を後下がり傾斜姿勢で且つ後部側を上下回動自在に設け、該案内駆動ケース56の後側下部に案内従動プーリ54を夫々回転自在に設け、該案内駆動プーリ53と案内従動プーリ54に案内ベルト55を巻回して、案内装置57を形成している。   As shown in FIGS. 1 and 4, on the rear side of the left and right center of the shoulder aligner 51, a guide drive case 56 provided with a guide drive pulley 53 that rotates by receiving a driving force from the branch transmission case 6 is lowered downward. In a tilted position, the rear side is provided so as to be rotatable up and down, and a guide driven pulley 54 is provided rotatably at the lower rear side of the guide drive case 56, and a guide belt 55 is provided on the guide drive pulley 53 and the guide driven pulley 54. The guide device 57 is formed by winding.

該案内装置57を構成する案内ベルト55には、外周縁部に等間隔毎に突起を設け、切り残された茎葉部を受けて玉葱を畝上に案内し、玉葱の茎葉部と根部(ひげ根)が、圃場面に接触しない姿勢で畝上に排出案内するものとする。   The guide belt 55 constituting the guide device 57 is provided with protrusions at equal intervals on the outer peripheral edge, receives the uncut leaves and leaves, guides the onion onto the cocoon, and the leaves and root (beard) of the onion. The root) is guided to discharge onto the ridge in a posture that does not contact the farm scene.

なお、前記案内駆動プーリ53は、図4に示す通り、分岐伝動ケース6からベベルギア機構6bを介して駆動力を受けて回転する駆動回転軸53aに支持され、前記案内従動プーリ54は、右側の上部肩揃えフレーム44から支持する左右一対の支持ロッド54L,54Rに設ける従動回転軸54aに支持される。   As shown in FIG. 4, the guide drive pulley 53 is supported by a drive rotary shaft 53a that rotates by receiving a driving force from the branch transmission case 6 via the bevel gear mechanism 6b, and the guide driven pulley 54 is provided on the right side. It is supported by a driven rotary shaft 54a provided on a pair of left and right support rods 54L and 54R supported from the upper shoulder alignment frame 44.

このとき、図4で示すとおり、左側の支持ロッド54Lを案内ベルト55の巻回域内に進入せず、案内装置57に沿って下方に向かう屈曲形状とすると共に、右側の支持ロッド54Rを案内ベルト55の巻回域内に機体左側から進入し、機体右側から案内装置57に沿って下方に向かう屈曲形状とする。   At this time, as shown in FIG. 4, the left support rod 54L does not enter the winding region of the guide belt 55 but is bent downward along the guide device 57, and the right support rod 54R is guided to the guide belt. It enters into the winding area of 55 from the left side of the body, and is bent along the guide device 57 from the right side of the body.

上記により、該案内装置57を、機体下側に向かうほど機体左側に向かう傾斜姿勢とすることができるので、玉葱の根部が地面に接触しない姿勢で圃場面に案内され、乾燥中に根部が再度活着することが防止され、玉葱の回収作業能率が向上すると共に、過度の玉葱の生育が防止され、収穫物の品質が向上する。   As described above, the guide device 57 can be inclined toward the left side of the aircraft as it goes down the aircraft, so that the root of the onion is guided to the field scene in a posture that does not contact the ground, and the root is again in the dry state. It is prevented from being settled, the onion recovery efficiency is improved, and excessive onion growth is prevented, improving the quality of the harvest.

また、案内装置57の後部側を上下方向に回動可能に構成したことにより、マルチフィルムを敷設しない露地栽培の玉葱を収穫するときなど案内装置57が不要なときには案内作用部を機体フレーム1側に退避させることができるので、様々な作業条件に適応可能な作物収穫機となる。   In addition, since the rear side of the guide device 57 is configured to be pivotable in the vertical direction, when the guide device 57 is unnecessary, such as when harvesting onion grown on the ground without laying a multi-film, the guide action portion is placed on the body frame 1 side. Therefore, the crop harvester can be adapted to various working conditions.

上述のとおり、案内装置57は下部側がマルチフィルムに接触する可能性があるので、マルチフィルムの破損防止を考慮すると、案内ベルト55はゴムに比べて摩擦力の低い、スポンジ等で構成することが望ましい。   As described above, since the lower side of the guide device 57 may come into contact with the multi-film, the guide belt 55 may be composed of a sponge or the like having a lower frictional force than rubber in view of preventing damage to the multi-film. desirable.

上記の案内装置57で排出される玉葱は、収穫前に植生していた畝上に落下し、収穫作業後、または天日乾燥後に回収される。しかしながら、正常な玉葱は球状であることにより、排出された際に畝上を転がり、左右の駆動輪84L,84Rやゲージ輪73、及び玉葱の回収作業を行うトラクタ等の作業機の走行装置が通過する畝溝に落下することがある。また、一つの畝に3条または4条の玉葱が植え付けられている畝において、1,2条目の玉葱を収穫する際に、排出される玉葱が、未収穫側、即ち3,4条目の玉葱の植生する側に移動することがある。   The onion discharged by the guide device 57 falls onto the vegetation that has been vegetated before harvesting, and is collected after harvesting or after drying in the sun. However, since a normal onion is spherical, when it is discharged, the traveling device of a working machine such as a tractor that rolls on the cage and collects the left and right drive wheels 84L and 84R, the gauge wheel 73, and the onion is recovered. May fall into a passing groove. In addition, when a 3 or 4 onion is planted in one persimmon, when the 1st or 2nd onion is harvested, the discharged onion is the unharvested side, that is, the 3rd or 4th onion. May move to the vegetation side.

上記の問題を解決すべく、図1及び図4で示すとおり、前記機体フレーム1の下部側で、且つ左右の肩揃えベルト50,50の左右両側部に、支持ステー130を各々設ける。そして、該左右の支持ステー130,130に、前記肩揃え装置51の搬送経路中央部に向かって下方傾斜する屈曲部を形成した調節支持板131を各々設ける。該左右の調節支持板131,131には左右方向の長孔(図示省略)を形成し、この長孔にはノブボルト133等の装着部材を、保持力を緩めたときには摺動自在に設ける。   In order to solve the above problem, as shown in FIGS. 1 and 4, support stays 130 are provided on the lower side of the body frame 1 and on the left and right sides of the left and right shoulder alignment belts 50 and 50, respectively. The left and right support stays 130 and 130 are each provided with an adjustment support plate 131 having a bent portion inclined downward toward the center of the conveying path of the shoulder aligner 51. The left and right adjustment support plates 131, 131 are formed with a long hole (not shown) in the left-right direction, and a mounting member such as a knob bolt 133 is provided in the long hole so as to be slidable when the holding force is loosened.

さらに、作業時にゲージ輪73や駆動輪84Rが通過する、畝溝に近い左側の調節支持板131に、玉葱が畝溝に転がることを防止する第1ガイドプレート134を、前記ノブボルト133を介して左右方向に摺動自在に設ける。該第1ガイドプレート134は、調節支持板131に沿って左側に摺動させると畝の上面に接触し、右側に摺動させると下部側が土中に潜り込む上下長さとする。   Furthermore, a first guide plate 134 that prevents the onion from rolling into the grooving groove is provided on the left side of the adjustment support plate 131 near the grooving groove through which the gauge wheel 73 and the driving wheel 84R pass through the knob bolt 133. Provide slidable in the left-right direction. When the first guide plate 134 is slid to the left along the adjustment support plate 131, the first guide plate 134 comes into contact with the upper surface of the ridge, and when the first guide plate 134 is slid to the right, the first guide plate 134 has a vertical length in which the lower side sinks into the soil.

この第1ガイドプレート134の前端部は真っ直ぐ前方へ向けて切り落とした球根部が引っ掛らないようにし、後端部は左側即ち機体の内側に向けて湾曲し、切り落とした球根部が畝面から畝溝へ落下しないようにして後作業で拾い易くする。   The front end portion of the first guide plate 134 is prevented from being caught by the bulb portion cut off straight forward, the rear end portion is curved toward the left side, that is, the inside of the machine body, and the bulb portion cut off from the heel surface. Make it easier to pick up in later work so that it does not fall into the trough.

一方、畝の左右方向中央部に近い右側の調節支持板131に、引き抜き収穫した玉葱が、次工程の引き抜き収穫作業位置に移動することを防止する第2ガイドプレート135を、前記ノブボルト133を介して左右方向に摺動自在に設ける。該第2ガイドプレート134は、調節支持板131に沿って右側に摺動させると畝の上面よりも上方に離間し、左側に摺動させると下部側が畝の上面に接触する上下長さとする。   On the other hand, a second guide plate 135 that prevents the onion that has been extracted and harvested from moving to the extraction and harvesting work position of the next process is placed on the adjustment support plate 131 on the right side near the center in the left-right direction of the basket through the knob bolt 133. And slidable in the left-right direction. When the second guide plate 134 is slid to the right along the adjustment support plate 131, the second guide plate 134 is spaced apart from the upper surface of the heel, and when slid to the left, the second guide plate 134 has a vertical length such that the lower side contacts the upper surface of the heel.

そして、左右の第1ガイドプレート134,第2ガイドプレート135の前側下部に、側面視において、機体前側から後側に向かう前下がり傾斜の第1切欠部134c及び第2切欠部135cを形成する。該第2切欠部135cを形成する第2ガイドプレート135の前側端部は、第1切欠部134cを形成する第1ガイドプレート134の前側端部よりも機体後側に形成する。玉葱一つ分に相当する、100〜150mm程度機体後側位置に形成すると、第2ガイドプレート135が玉葱を引抜搬送装置19の引抜搬送域に移動することを妨げることが無く、確実に玉葱の引き抜き収穫が行え、作業能率が向上する。   Then, in the front lower portions of the left and right first guide plates 134 and second guide plates 135, a first notch part 134c and a second notch part 135c that are inclined forwardly downward from the front side of the machine body to the rear side are formed in a side view. The front end portion of the second guide plate 135 forming the second notch portion 135c is formed on the rear side of the machine body from the front end portion of the first guide plate 134 forming the first notch portion 134c. If it is formed at a position about 100 to 150 mm, which corresponds to one onion, at the rear side position of the machine body, the second guide plate 135 does not prevent the onion from moving to the drawing and conveying area of the drawing and conveying device 19, and the onion is surely Pull-out harvesting is possible, improving work efficiency.

上記の構成により、第1ガイドプレート134と第2ガイドプレート135は、正面(背面)視において、機体上側ほど左右間隔が広くなるので、左右間隔が最も狭い箇所を2個の玉葱が左右方向に並んで通過する際、間隔部に詰まって機体後方に移動されなくなり、作業を中断して詰まりを解消する必要が無く、作業能率が向上する。   With the above configuration, the first guide plate 134 and the second guide plate 135 have a wider left-right distance in the front (rear) view, so that the two onions are located in the left-right direction at the narrowest left-right distance. When passing side by side, the gap is clogged and it is no longer moved to the rear of the machine body, so there is no need to interrupt the work and eliminate the clogging, and work efficiency is improved.

前記第1ガイドプレート134と第2ガイドプレート135の下端部の左右間隔は、標準的なサイズの玉葱2個分に相当する、200〜300mm程度とするとよい。
また、第1ガイドプレート134と第2ガイドプレート135は、各々ゴム等の、強い力がかかると弾性変形し得る材質で構成すると、破損が生じにくく長持ちする。
The left-right distance between the lower ends of the first guide plate 134 and the second guide plate 135 is preferably about 200 to 300 mm, which corresponds to two standard size onions.
Further, if the first guide plate 134 and the second guide plate 135 are each made of a material such as rubber that can be elastically deformed when a strong force is applied, the first guide plate 134 and the second guide plate 135 are less likely to be damaged and last longer.

上記の構成により、肩揃え装置51で切断位置を揃えられ、切断回転刃49で茎葉部を切断され、案内装置56によって畝上に排出案内される玉葱は、第1ガイドプレート134と第2ガイドプレート135によって、引抜収穫される前に植生していた、収穫作業の終わった状態の畝上に載置されることになる。これにより、玉葱が畝溝や収穫作業が行われていない側に転がることが防止される。   With the above-described configuration, the onion, the cutting position of which is aligned by the shoulder aligning device 51, the foliage portion is cut by the cutting rotary blade 49, and is discharged and guided onto the ridge by the guide device 56, is the first guide plate 134 and the second guide. The plate 135 is placed on the basket that has been vegetated before the harvesting and has been harvested. As a result, the onion is prevented from rolling to the side where the trough or harvesting operation is not performed.

図1及び図2で示すとおり、前記分岐伝動ケース6の左側に第2分岐伝動ケース6aを設け、該第2分岐伝動ケース6aの前部から機体前方に向かって引起し出力軸58を設け、該引起し出力軸58の前端部に駆動力を左側から右側に向かう方向に変更するベベルケース59aを装着する。該ベベルケース59aの内部には、一対のベベルギア(図示省略)が内装されており、この一対のベベルギアを介して出力ケース内の引起し出力軸58の駆動力を縦引起し伝動軸59に伝達する。そして、該縦引起し伝動軸59の左側端部と右側端部と左右略中央部に縦引起し駆動プーリ60,60,60Rを各々装着し、該縦引起し駆動プーリ60,60,60Rの左右両側を覆う縦引起しカバー61,61,61を後上がり傾斜姿勢で且つ上下回動自在に装着する。   As shown in FIGS. 1 and 2, a second branch transmission case 6a is provided on the left side of the branch transmission case 6, and an output shaft 58 is provided to be raised from the front of the second branch transmission case 6a toward the front of the machine body. A bevel case 59a for changing the driving force from the left side to the right side is attached to the front end of the raised output shaft 58. A pair of bevel gears (not shown) are housed inside the bevel case 59a, and the driving force of the pulling output shaft 58 in the output case is vertically lifted and transmitted to the transmission shaft 59 via the pair of bevel gears. To do. Then, the vertical pulling drive pulleys 60, 60, 60R are respectively attached to the left end portion, the right end portion, and the right and left central portions of the transmission shaft 59, and the drive pulleys 60, 60, 60R are respectively mounted. The vertically raised covers 61, 61, 61 that cover the left and right sides are mounted so as to be tilted rearward and rotated up and down.

また、該縦引起しカバー61,61,61の下端部に縦引起し従動プーリ62,62,62Rを各々設け、縦引起し駆動プーリ60,60,60Rと縦引起し従動プーリ62,62,62Rに圃場に倒伏している玉葱の茎葉部を引き起こす縦引起しラグ63a…を複数設けた縦引起しベルト63,63,63を巻回して、縦引起し装置64を構成する。左と中央の縦引起しベルト63,63は縦引起しラグ63aが地面に対して垂直に立ち上がるように周回すべく縦引起し駆動プーリ60と縦引起し従動プーリ62に掛け回し、右の縦引起しベルト63Rは縦引起しラグ63aが地面に対して機体中央に傾いてに立ち上がるように周回すべく縦引起し駆動プーリ60Rと縦引起し従動プーリ62Rに掛け回している。すなわち、右側の縦引起し駆動プーリ60Rと縦引起し従動プーリ62Rはやや中央に傾いた状態で軸架しているのである。縦引起し伝動軸59から傾いた右側の縦引起し駆動プーリ60Rへの伝動はユニバーサル継ぎ手を用いる。   Further, the longitudinally raised covers 61, 61, 61 are respectively provided with longitudinally driven pulleys 62, 62, 62R at the lower ends of the covers 61, 61, 61. The longitudinally driven drive pulleys 60, 60, 60R and the longitudinally driven pulleys 62, 62, The longitudinal pulling belt 63, 63, 63 provided with a plurality of vertical pulling lugs 63a... For causing the onions of the onion lying on the field in 62R is wound to constitute the vertical pulling device 64. The left and center vertical pulling belts 63, 63 are vertically lifted and vertically driven to circulate so that the lug 63a rises perpendicularly to the ground. The driving pulley 60 and the vertical pulling belt 62 are wound around the right pulling belt 62. The pulling belt 63R is vertically lifted so as to circulate so that the lug 63a rises while tilting to the center of the machine body with respect to the ground, and is pulled up and driven around the drive pulley 60R and the driven pulley 62R. That is, the right longitudinally driven and driven pulley 60R and the vertically driven and driven pulley 62R are pivoted while being slightly inclined to the center. A universal joint is used for transmission to the vertical longitudinal drive pulley 60R tilted from the vertical drive shaft 59.

また、畝溝に近い右側の縦引起し従動プーリ62Rを、他の位置の縦引起し従動プーリ62よりも機体前側に配置し、縦引起しラグ63a…の引起し作用位置が機体前側に位置する構成とする。これにより、畝と畝溝の境目に垂れ下がっている茎葉部を早めに引き起こすことができるので、茎葉部を掴み損ない、玉葱を引抜収穫し損なうことが防止される。   Further, the right longitudinally driven follower pulley 62R close to the groove is disposed on the front side of the machine relative to the vertically driven and driven pulley 62 at other positions, and the vertically actuated lugs 63a... Are positioned on the front side of the machine. The configuration is as follows. Thereby, since the foliage part hanging down at the boundary of a ridge and a ridge groove can be caused early, it is prevented that a foliage part is missed and it does not fail to pull out and harvest an onion.

なお、前記縦引起し装置64の後上がり傾斜角度は、前記横引起し装置41の後上がり傾斜角度と略同じ傾斜角度とする。これにより、縦引起し装置64が引き起こした茎葉部が縦引起しラグ63a…から離れるタイミングで横引き起こし装置41の横引起しラグ39a…に引き継がれるので、茎葉部を確実に引き起こして引抜搬送装置19の搬送始端部に案内でき、玉葱の収穫作業能率の向上が図られる。   It should be noted that the rearward tilt angle of the vertical pulling device 64 is substantially the same as the rearward tilt angle of the horizontal pulling device 41. As a result, the foliage portion caused by the vertical pulling device 64 is pulled up vertically and is laterally raised at the timing of separating from the lugs 63a, so that it is taken over by the horizontal pulling lugs 39a of the device 41. It can guide to 19 conveyance start end parts, and the improvement of the harvesting work efficiency of an onion is aimed at.

そして、左側と左右中央の縦引起しカバー61,61の前側下部に、縦引起しラグ63a…の茎葉部の持ち上げを補助する第1掬いバー65を各々設ける。該第1掬いバー65,65は、縦引起しラグ63a…を避ける屈曲部を形成したZ字形状とする。また、中央の第1掬いバー65には、該中央の掬いバー65の基部とは反対側に延出された延長引起しバー65aが設けられ、2つの玉葱の茎葉部がどのように圃場面に垂れ下がっていても、引き起こしが可能な構成とする。   And the 1st scooping bar 65 which assists the raising of the stem part of the lugs 63a ... vertically raised is provided in the front lower part of the vertically raising covers 61 and 61 of the left side and the center of right and left, respectively. The first scooping bars 65, 65 have a Z-shape with a bent portion that is vertically raised to avoid the lugs 63a. Further, the central first scooping bar 65 is provided with an extended pulling bar 65a extending to the opposite side of the base of the central scooping bar 65, and how the stems and leaves of the two onions are Even if it hangs down, it can be caused.

一方、右側の縦引起しカバー61には、前記第1掬いバー65,65よりも前後方向に長い、第2掬いバー66を直線状に設け、畝と畝溝の境目に垂れ下がる茎葉部が、縦引起しラグ63a…で持ち上げやすい状態とされる構成とする。   On the other hand, on the right vertical raising cover 61, a second scooping bar 66 that is longer in the front-rear direction than the first scooping bars 65, 65 is provided in a straight line, and a foliage portion that hangs down at the boundary between the scissors and the scissors groove, It is set as the structure made into the state which is easy to lift with the vertical raising lugs 63a ....

図11に示す如く、第1掬いバー65は、縦引起しカバー61の側面に上下調整可能に設ける支持筒149,150に回動可能枢支した掬い軸151の下部を前方へ張り出したもので、該第1掬いバー65が前方へ向かうようにトーションスプリング152で保持し、第1掬いバー65に球根部等が当たると側方へ回動して球根部を傷つけないようにしている。   As shown in FIG. 11, the first scooping bar 65 extends vertically from the lower part of the scooping shaft 151 pivotally supported by support cylinders 149 and 150 that are vertically raised and provided on the side surface of the cover 61 so as to be vertically adjustable. The first scooping bar 65 is held by a torsion spring 152 so as to be directed forward, and when the bulb part or the like hits the first scooping bar 65, the first scooping bar 65 is turned sideways so as not to damage the bulb part.

また、掬い軸151の所定角度以上の回動を検出する過負荷センサ148を設け、該過負荷センサ148が第1掬いバー65の回動を検出すると、左駆動輪84Lと右駆動輪84Rの回転を停止して機体フレーム1の前進を停止して球根部を傷つけない。   Further, an overload sensor 148 that detects the rotation of the scooping shaft 151 by a predetermined angle or more is provided, and when the overload sensor 148 detects the rotation of the first scooping bar 65, the left driving wheel 84L and the right driving wheel 84R The rotation is stopped and the forward movement of the body frame 1 is stopped so that the bulb part is not damaged.

なお、第2掬いバー66も前記第1掬いバー65の支持構成と同じにする。
また、掬い軸151は縦引起し装置64の後側で縦引起しラグ63a…の届かない位置に枢支する構成でも良い。
Note that the second scooping bar 66 has the same support structure as the first scooping bar 65.
Further, the scooping shaft 151 may be vertically raised at the rear side of the device 64 and pivotally supported at a position where the lugs 63a cannot reach.

図12(a),(b)に示す実施例では、第1掬いバー65を油圧或いは電動で伸縮するシリンダ67で作業時に(b)の如く前方へ張り出し、旋回時や不使用時には(a)の如く退縮させてぶつけないようにする。この第1掬いバー65は先端が尖った円錐形で、茎葉部が左右側面に当たると側方へ回動し易くしている。   In the embodiment shown in FIGS. 12 (a) and 12 (b), the first scooping bar 65 is extended forward by a cylinder 67 that expands and contracts hydraulically or electrically as shown in FIG. 12 (b), and when turning or not in use (a). Retreat like so as not to hit. The first scooping bar 65 has a conical shape with a sharp tip, and makes it easy to turn sideways when the foliage hits the left and right side surfaces.

なお、第1掬いバー65の伸縮は、後述する接地センサ147が接地を検出すると張り出し、離地を検出すると縮むようにすると良い。
前記縦引起し伝動軸59の右側端部には、畝の上面から畝溝に向かう、畝の法面に沿って垂れ下がっている茎葉部を引き起こす、畝溝引起し装置69を設ける。該畝溝引起し装置69を構成する畝溝引起しベルト68には、等間隔に「へ」の字形状に屈曲した畝溝引起しラグ68a…を設け、該畝溝引起しラグ68a…が法面に沿って周回するように畝溝引起しベルト68を内側に傾けて張設し、畝の法面に折り重なるように垂れ下がっている茎葉部を、確実に引き上げる構成とする。
The first scooping bar 65 is preferably expanded and contracted when a ground sensor 147 described later detects grounding and contracted when the ground is detected.
At the right end of the longitudinally raised transmission shaft 59, there is provided a ridge-groove raising device 69 for causing a foliage hanging from the upper surface of the ridge toward the ridge groove along the slope of the ridge. The groove-growing belt 68 constituting the groove-groove raising device 69 is provided with a groove-groove raising lug 68a, which is bent in a “h” shape at equal intervals. The ridge groove is raised so as to circulate along the slope, and the belt 68 is inclined and stretched inward, so that the foliage hanging down so as to fold over the slope of the ridge is surely pulled up.

なお、図1及び図2に示すとおり、前記畝溝引起しラグ68a…が最も機体前側に突出する位相にあるとき、縦引起しラグ63a…の前端部より機体前側に突出すると共に、前記第1掬いバー65及び第2掬いバー66の前端部よりは機体後側に位置するものとする。   As shown in FIGS. 1 and 2, when the grooving lugs 68a ... are in the most projecting phase, the lugs 63a ... project from the front end of the lugs 63a ... The front side of the first scooping bar 65 and the second scooping bar 66 is located on the rear side of the machine body.

これにより、法面に垂れ下がる茎葉部を先行して掻き上げて、機体右側の縦引起しベルト63Rの縦引起しラグ63aに茎葉部を引き継がせることができ、茎葉部を掴み損ない、玉葱が圃場に残されることが防止される。   As a result, the foliage hanging down from the slope can be scraped up first, and the vertical pulling belt 63R on the right side of the machine can be raised to the vertical lug 63a so that the foliage can be taken over. Is prevented from being left behind.

また、右側の縦引起し装置64と畝溝引起し装置69の終端は、図9と図10に示す排葉シュータ201上に位置して、千切れた茎葉部が排葉シュータ201に落下して機体の側方へ案内排出される。   Further, the ends of the right side vertical elevating device 64 and the grooving elevating device 69 are located on the leaf shooter 201 shown in FIGS. 9 and 10, and the cut leaves are dropped on the leaf shooter 201. To the side of the aircraft.

前記縦引起し伝動軸59の右側端部より外側にゲージ輪昇降ケース70を設け、該ゲージ輪昇降ケース70の下部に上部アーム71を設け、該上部アーム71にゲージ輪73を回転自在に装着する下部アーム72を上下動自在に設ける。また、前記駆動ケース4側に固定プレート75を設け、該固定プレート75と前記ゲージ輪昇降ケース70の後部の間に、ゲージ輪昇降ケース70内のベベルギア機構(図示省略)を回転させるゲージ輪昇降ロッド76を設け、該ゲージ輪昇降ロッド76を回転させることにより、前記下部アーム72を上下動させるゲージ輪調節ハンドル77を設ける。なお、固定プレート75をハンドル8近づけて設け、ゲージ輪昇降ロッド76が右駆動輪84Rよりも機体内側を通るようにすることで、作業者が右駆動輪84Rの外側を回って前方へ移動し易くする。なお、ゲージ輪73の昇降を油圧構成で行うようにしても良い。   A gauge ring elevating case 70 is provided outside the right end of the longitudinally raised transmission shaft 59, an upper arm 71 is provided below the gauge ring elevating case 70, and a gauge ring 73 is rotatably attached to the upper arm 71. A lower arm 72 is provided to be movable up and down. Further, a fixed plate 75 is provided on the drive case 4 side, and a gauge wheel lifting / lowering that rotates a bevel gear mechanism (not shown) in the gauge wheel lifting / lowering case 70 between the fixed plate 75 and the rear part of the gauge wheel lifting / lowering case 70 is performed. A rod 76 is provided, and a gauge wheel adjusting handle 77 for moving the lower arm 72 up and down by rotating the gauge wheel lifting rod 76 is provided. The fixed plate 75 is provided close to the handle 8 so that the gauge wheel lifting rod 76 passes through the inner side of the body than the right drive wheel 84R, so that the operator moves forward around the outside of the right drive wheel 84R. Make it easier. In addition, you may make it raise / lower the gauge ring | wheel 73 by a hydraulic structure.

上記構成としたことにより、畝溝に垂れ下がっている収穫畝上の玉葱の茎葉部をゲージ輪73が踏み付ける前に引き起こすことにより、縦引起し装置64や横引起し装置41が確実に玉葱の茎葉部を引き起こすことができるので、引き起こされた茎葉部を引抜搬送装置19で挟持して土中から引き抜くことができ、作業者が手作業で残された玉葱を引き抜く作業が不要となり、作業者の労力が軽減される。   With the above-described configuration, the vertical pulling device 64 and the horizontal pulling device 41 are surely connected to the onion by causing the stems and leaves of the onion hanging in the trough to fall before the gauge ring 73 steps. Since the stems and leaves can be caused, the caused stems and leaves can be pinched by the pulling / conveying device 19 and pulled out from the soil, so that the operator does not need to manually remove the onion left behind. The effort is reduced.

また、収穫畝上の玉葱の茎葉部と隣接畝上の玉葱の茎葉部が畝溝に垂れ下がって絡み合っていても、茎葉部同士を持ち上げて絡み合いを解くことができるので、隣接条の玉葱を半端に引き上げることが防止され、引抜搬送装置19で確実に玉葱を引き抜くことが可能になる。   In addition, even if the shoots and leaves of the onion on the harvesting basket hang down and entangled in the trough, the shoots on the adjacent strips can be unraveled by lifting the shoots together. , And the onion can be reliably pulled out by the pulling and conveying device 19.

そして、ゲージ輪調節ハンドル77を操作してゲージ輪73を設けた下部アーム72を上昇または下降させることにより、横引起し装置41や引抜搬送装置19の作用位置を玉葱の生育状態や畝の高さに合わせて変更することができるので、茎葉部の引き起こしや引抜搬送が確実に行われ、作業能率が向上する。   Then, by operating the gauge wheel adjusting handle 77 to raise or lower the lower arm 72 provided with the gauge wheel 73, the working position of the lateral pulling device 41 and the pulling / conveying device 19 can be changed according to the growth state of the onion and the height of the straw. Since it can be changed according to the height, the foliage part is pulled up and pulled out reliably, and the work efficiency is improved.

ゲージ輪73の下部アーム72にゲージ輪73が設置しているかを検出する接地センサ147を設け、旋回時に機体前部を上昇させて接地センサがゲージ輪73の浮き上がりを検出すると、縦引起し装置64と引抜搬送装置19の駆動を停止するように制御する。なお、接地センサは、ゲージ輪73の空気圧の変動で検出するようにしても良い。   A grounding sensor 147 for detecting whether the gauge wheel 73 is installed is provided on the lower arm 72 of the gauge wheel 73, and when the ground sensor detects the lifting of the gauge wheel 73 by raising the front part of the fuselage during turning, the vertical pulling device 64 and the pulling / conveying device 19 are controlled to stop driving. Note that the ground sensor may detect the change in the air pressure of the gauge wheel 73.

次に、本機の走行伝動系の構成を示す。
図2から図4に示すとおり、前記駆動ケース4の左側に左側出力軸78Lを設け、該右側出力軸78Lに走行駆動スプロケット79を装着し、該走行駆動スプロケット79を左側の走行伝動ケース80Lの上端側に内装する。そして、該左側の走行伝動ケース80Lを後上がり傾斜姿勢とし、機体前側に位置する左側の走行伝動ケース80Rの下端側に走行従動スプロケット81を回転自在に内装し、該走行駆動スプロケット79と走行従動スプロケット81に走行伝動チェーン82を巻回する。
Next, the structure of the traveling transmission system of this machine is shown.
2 to 4, a left output shaft 78L is provided on the left side of the drive case 4, and a travel drive sprocket 79 is attached to the right output shaft 78L. The travel drive sprocket 79 is attached to the left travel transmission case 80L. Interior on the top side. Then, the left traveling transmission case 80L is in a rear-upward inclined posture, and a traveling driven sprocket 81 is rotatably mounted on the lower end side of the left traveling transmission case 80R located on the front side of the aircraft, and the traveling drive sprocket 79 and the traveling driven are provided. The travel transmission chain 82 is wound around the sprocket 81.

なお、走行伝動チェーン82の巻回域内にテンションスプロケットを設けたり、負荷がかかると走行伝動チェーン82から退避したりして、駆動を停止させて破損を防止するクラッチ機構を設けてもよい。   A tension sprocket may be provided in the winding region of the travel transmission chain 82, or a clutch mechanism may be provided to stop the drive and prevent breakage by retracting from the travel transmission chain 82 when a load is applied.

また、前記走行従動スプロケット81に車軸83を装着し、該車軸83に左側の駆動輪84Lを取り付ける。
そして、図1から図4に示すとおり、前記分岐伝動ケース6の左側端部に、左側出力軸78Lを左右方向に摺動自在に設け、該左側出力軸78Lに走行駆動スプロケット79を装着し、該走行駆動スプロケット79を左側の走行伝動ケース80Lの上部に内装する。このとき、前記左側出力軸78Lを装着するための走行伝動ケース80Lの取付孔部は、右側出力軸78Rの径よりも僅かに大径とし、左側出力軸78Lが僅かに上下及び前後方向に移動できる構成とする。
Further, an axle 83 is mounted on the traveling driven sprocket 81, and a left drive wheel 84L is attached to the axle 83.
1 to 4, a left output shaft 78L is slidable in the left-right direction at the left end of the branch transmission case 6, and a travel drive sprocket 79 is attached to the left output shaft 78L. The traveling drive sprocket 79 is provided in the upper part of the left traveling transmission case 80L. At this time, the mounting hole portion of the traveling transmission case 80L for mounting the left output shaft 78L is slightly larger than the diameter of the right output shaft 78R, and the left output shaft 78L slightly moves up and down and front and rear. A configuration that can be used.

また、該左側走行伝動ケース80Lを後上がり傾斜姿勢で配置し、機体前側に位置する左側走行伝動ケース80Lの下端側に走行従動スプロケット81を回転自在に内装し、該走行駆動スプロケット79と走行従動スプロケット81に走行伝動チェーン82を巻回する。また、前記走行従動スプロケット81に車軸83を装着し、該車軸83に左側の駆動輪84Lを設ける。   Further, the left traveling transmission case 80L is disposed in a rearwardly inclined posture, and a traveling driven sprocket 81 is rotatably mounted on the lower end side of the left traveling transmission case 80L located on the front side of the aircraft, and the traveling driving sprocket 79 and the traveling driven are provided. The travel transmission chain 82 is wound around the sprocket 81. Further, an axle 83 is mounted on the travel driven sprocket 81, and a left drive wheel 84L is provided on the axle 83.

さらに、前記左側出力軸78Lよりも機体前側で、且つ前記分岐伝動ケース6と左側の走行伝動ケース80Lの間に、左側の走行伝動ケース80Lを左右方向に移動させ、左右の駆動輪84L,84Rの左右間隔、所謂トレッドを調節する調節シリンダ89を、機体左右方向に伸縮自在に設ける。そして、該調節シリンダ89よりも機体前側に、前記調節シリンダ89の伸縮によって左側出力軸78Lと共に左右方向に摺動する、摺動ガイド90を機体フレーム1に設ける。また、該摺動ガイド90と左側出力軸78Lを連結プレート91で連結し、該連結プレート91に形成したU字型の溝部91uに、調節シリンダ89を伸縮自在に臨ませる構成とする。これにより、トレッド調節機構95が構成される。   Further, the left traveling transmission case 80L is moved in the left-right direction between the branch transmission case 6 and the left traveling transmission case 80L in front of the left output shaft 78L and between the branch transmission case 6 and the left traveling transmission case 80L. An adjustment cylinder 89 that adjusts the left-right distance, that is, a so-called tread, is provided so as to be extendable in the left-right direction. A sliding guide 90 that slides in the left-right direction together with the left output shaft 78L by the expansion and contraction of the adjusting cylinder 89 is provided in the body frame 1 in front of the adjusting cylinder 89. Further, the sliding guide 90 and the left output shaft 78L are connected by a connecting plate 91, and the adjustment cylinder 89 is extended and retracted in a U-shaped groove portion 91u formed in the connecting plate 91. Thereby, the tread adjusting mechanism 95 is configured.

なお、図2及び図3に示すとおり、該調節シリンダ89の固定側の基部、即ち機体左側端部は、回動ピン89aによって取り付け、該調節シリンダ89の端部側、即ち機体右側が上下方向に回動自在となる構成とする。   2 and 3, the base of the adjustment cylinder 89 on the fixed side, that is, the left side of the machine body is attached by a rotation pin 89a, and the end of the adjustment cylinder 89, that is, the right side of the machine body is in the vertical direction. It is set as the structure which can be freely rotated.

該調節シリンダ89を伸縮させる作動油を供給する油圧バルブ92は、前記ミッションケース3の上部で、且つ機体左右方向中央寄りに配置する。該油圧バルブ92には、リリーフバルブ92rを内装し、油圧回路に高負荷がかかると作動油をリリーフバルブ92rからオイルタンク92tに解放し、過負荷による破損の発生を防止する構造とする。このとき、図5に示すとおり、油圧バルブ92から調節シリンダ89への作動油のやり取りを行う送油ホース93も、溝部91uを通過させる構成とする。   A hydraulic valve 92 that supplies hydraulic oil for expanding and contracting the adjustment cylinder 89 is disposed above the mission case 3 and closer to the center in the left-right direction of the machine body. The hydraulic valve 92 is provided with a relief valve 92r so that when a high load is applied to the hydraulic circuit, the hydraulic oil is released from the relief valve 92r to the oil tank 92t to prevent damage due to overload. At this time, as shown in FIG. 5, the oil feeding hose 93 that exchanges hydraulic oil from the hydraulic valve 92 to the adjusting cylinder 89 is also configured to pass through the groove 91u.

なお、上記の調節シリンダ89を電動式とし、この電動式の調節シリンダ89と電源(バッテリ)の間に、負荷による温度上昇によって変形するバイメタルによるスイッチを設け、負荷による過熱状態になると調節シリンダ89の伸縮が停止する構成としてもよい。   The adjustment cylinder 89 is an electric type, and a bimetal switch that deforms due to a temperature rise due to the load is provided between the electric adjustment cylinder 89 and a power source (battery). It is good also as a structure which expansion-contraction of stops.

さらに、前記調節シリンダ89を伸縮操作するトレッド調節レバー94を、前記油圧バルブ92に左右方向に回動自在に設ける。該トレッド調節レバー94は、機体後方で且つ上方に向かって屈曲する「へ」の字形状であり、機体の後方に立つ作業者の近くに端部のグリップ部が位置する構成とする。   Further, a tread adjustment lever 94 for extending and retracting the adjustment cylinder 89 is provided on the hydraulic valve 92 so as to be rotatable in the left-right direction. The tread adjusting lever 94 has a “h” shape that is bent rearward and upward. The grip portion at the end is located near the worker standing behind the fuselage.

前記トレッド調節レバー94の下方には、図1から図3に示すとおり、前記エンジン2が外気を吸入するエアクリーナ2pが位置すると共に、該エンジン2の排気を放出するマフラ(図示省略)からは大きく離間する配置構成とする。   As shown in FIGS. 1 to 3, an air cleaner 2p through which the engine 2 sucks outside air is located below the tread adjusting lever 94 and is largely from a muffler (not shown) that discharges the exhaust of the engine 2. The arrangement configuration is to be separated.

上記の構成では、調節シリンダ89を伸縮させて左右の駆動輪84L,84Rの左右間隔、所謂トレッドの変更を行う構成としたことにより、走行速度や前後進に関係なくトレッド調節機構95を作動させてトレッド調節を行なうことができるので、畝幅が変化するたびに引抜収穫作業を中断して機体を前後進させる必要がなくなり、作業能率の向上や作業者の労力の軽減が図られる。   In the above configuration, the adjustment cylinder 89 is expanded and contracted to change the left / right distance between the left and right drive wheels 84L, 84R, so-called tread, so that the tread adjustment mechanism 95 is operated regardless of the traveling speed and forward / reverse travel. Since the tread adjustment can be performed, it is not necessary to interrupt the pulling and harvesting work every time the ridge width changes, and to move the machine forward and backward, thereby improving the work efficiency and reducing the labor of the operator.

また、畝幅に合わせてトレッドを変更することができるので、畝幅の異なる圃場で作業をするときに右側駆動輪84Rが畝上を移動することがなく、安定した姿勢で玉葱の引抜収穫作業を行うことができ、作業能率が向上する。   In addition, since the tread can be changed according to the width of the cocoon, the right drive wheel 84R does not move on the ridge when working in a field with a different ridge width, and the onion pulling and harvesting work in a stable posture. Work efficiency can be improved.

そして、機体を軽トラック等の荷台に積み込むときや、倉庫等に収容する際には、トレッドを限界まで狭くすることにより、機体の左右幅を短くすることができるので、機体の積み込み作業や収納作業が能率よく行える。   And when loading the fuselage onto a loading platform such as a light truck, or when storing it in a warehouse, the left and right widths of the fuselage can be shortened by narrowing the tread to the limit. Work can be done efficiently.

さらに、調節シリンダ89の後方に左側伝動軸78Lを設けると共に、調節シリンダ89の前方に摺動ガイド90を設けたことにより、右側の駆動輪84Rの接地や走行によって生じる負荷を分散させることができるので、調節シリンダ89が歪んだり捩れたりして破損することや、伸縮範囲が小さくなり、トレッド調節幅が制限されることが防止される。   Furthermore, by providing the left transmission shaft 78L behind the adjustment cylinder 89 and providing the sliding guide 90 in front of the adjustment cylinder 89, it is possible to disperse the load caused by the grounding or running of the right drive wheel 84R. Therefore, it is possible to prevent the adjustment cylinder 89 from being distorted or twisted and being damaged, the expansion / contraction range is reduced, and the tread adjustment width is limited.

これに加えて、右側の走行伝動ケース80Rを左右方向に移動させる際、複数個所を機体外側に押す、または機体内側に引く構成となるので、右側の走行伝動ケース80Rは姿勢を変更されることなく移動でき、右側の駆動輪84Rの向きが微細にずれて機体の進行方向が乱れることが防止され、走行性や作物の収穫作業能率が低下することが防止される。   In addition, when the right traveling transmission case 80R is moved in the left-right direction, the right traveling transmission case 80R is changed in posture because it is configured to push a plurality of locations outward or to pull inside the aircraft. The right driving wheel 84R is prevented from being slightly displaced and the traveling direction of the machine body is disturbed, and the traveling performance and crop harvesting efficiency are prevented from being lowered.

また、左走行伝動ケース80Lの取付孔部の径を、右側伝動軸78Rの径よりも僅かに大径としたことにより、圃場の凹凸等により右側の駆動輪84Rが上下動した際、左側伝動軸78Lが上下及び前後方向に移動することができるので、負荷によって左側伝動軸78Lが破損することが防止される。   Further, by setting the diameter of the mounting hole portion of the left traveling transmission case 80L to be slightly larger than the diameter of the right transmission shaft 78R, when the right drive wheel 84R moves up and down due to unevenness in the field, the left transmission Since the shaft 78L can move in the vertical direction and the front-rear direction, the left transmission shaft 78L is prevented from being damaged by the load.

そして、調節シリンダ89の固定側の取付基部を、回動ピン89aを介して設けたことにより、圃場の凹凸等により左側の駆動輪84Lが上下動しても、調節シリンダ89は左側の駆動輪84Rの上下動に追従して上下回動するので、トレッドの調節が必要なときに調節シリンダ89が伸縮可能となり、左側の駆動輪84Lの上下位置を変更する必要がなく、作業能率が向上する。   Further, by providing the fixing base mounting base of the adjustment cylinder 89 via the rotation pin 89a, the adjustment cylinder 89 can be moved to the left drive wheel even if the left drive wheel 84L moves up and down due to unevenness of the field. Since it moves up and down following the vertical movement of 84R, the adjustment cylinder 89 can be expanded and contracted when adjustment of the tread is required, and there is no need to change the vertical position of the left drive wheel 84L, thereby improving work efficiency. .

さらに、左側出力軸78と摺動ガイド90を連結プレート91で連結したことにより、左側出力軸78と摺動ガイド90が連動して摺動するので、右側の走行伝動ケース80Rや駆動輪84Lが傾斜姿勢になることが防止され、任意のトレッドが設定できると共に、走行性能が安定する。   Further, since the left output shaft 78 and the sliding guide 90 are connected by the connecting plate 91, the left output shaft 78 and the sliding guide 90 slide in conjunction with each other, so that the right traveling transmission case 80R and the drive wheel 84L are connected. An inclined posture is prevented, an arbitrary tread can be set, and running performance is stabilized.

また、油圧バルブ92に、作動油をオイルタンク92tに移動させて減圧するリリーフバルブ92rを設けたことにより、走行停止中にトレッド調節レバー94を誤操作してトレッド調節機構95が作動しても、油圧バルブ92内の圧力が高くなるとリリーフバルブ92rが作動油をオイルタンク92tに還流させ、調節シリンダ89の伸縮を停止させることができるので、トレッド調節機構95が過負荷により破損することが防止される。   Further, since the hydraulic valve 92 is provided with a relief valve 92r that moves the hydraulic oil to the oil tank 92t to reduce the pressure, even if the tread adjusting lever 94 is erroneously operated while the traveling is stopped, When the pressure in the hydraulic valve 92 increases, the relief valve 92r returns the hydraulic oil to the oil tank 92t, and the expansion and contraction of the adjustment cylinder 89 can be stopped, so that the tread adjustment mechanism 95 is prevented from being damaged due to overload. The

走行停止中に右側の駆動輪84Rを機体側方に摺動させると、強い接地抵抗が生じるので、調節シリンダ89や左側出力軸78Lに過負荷がかかり、誤操作等によりトレッド調節機構95が作動したことに気付かないと破損してしまう問題があるが、本構成では過負荷がかかる前に調節シリンダ89の伸縮が自動停止するので、問題の発生が防止される。   If the right drive wheel 84R is slid to the side of the fuselage while traveling is stopped, a strong grounding resistance is generated, so that the adjustment cylinder 89 and the left output shaft 78L are overloaded, and the tread adjustment mechanism 95 is activated due to an erroneous operation or the like. Although there is a problem that it is damaged if it is not noticed, in this configuration, the expansion and contraction of the adjustment cylinder 89 automatically stops before an overload is applied, so that the occurrence of the problem is prevented.

そして、調節シリンダ89を最大限まで伸ばしたとき、あるいは最小限まで縮めたときにトレッド調節レバー94が操作され続け、過負荷が生じる状態になると、リリーフバルブ92rから作動油がオイルタンク92tに還流されるので、自動的に調節シリンダ89の伸縮操作が終了され、トレッド調節機構95の破損が防止される。   When the adjustment cylinder 89 is extended to the maximum or contracted to the minimum, the tread adjustment lever 94 continues to be operated, and when an overload occurs, the hydraulic oil returns from the relief valve 92r to the oil tank 92t. Therefore, the expansion / contraction operation of the adjustment cylinder 89 is automatically terminated, and the tread adjustment mechanism 95 is prevented from being damaged.

また、調節シリンダ89と作動油が移動する送油ホース93を、連結プレート91の溝部91u内に配置したことにより、送油ホース93を調節シリンダ89から抜き取るだけで外すことができるので、メンテナンス作業時に着脱する部材が減り、メンテナンス性が向上する。   Further, since the adjusting cylinder 89 and the oil feeding hose 93 in which the hydraulic oil moves are arranged in the groove portion 91u of the connecting plate 91, the oil feeding hose 93 can be removed simply by removing it from the adjusting cylinder 89. At times, the number of members to be attached and detached is reduced, and the maintainability is improved.

そして、トレッド調節レバー94を機体後方で且つ上方に向かって屈曲する形状としたことにより、機体後方で操縦作業をする作業者がトレッド調節レバー94を操作しやすくなるので、作業者の労力が軽減されると共に、操作性が向上する。   Since the tread adjustment lever 94 has a shape that bends rearward and upward, it is easier for the operator who performs the maneuvering operation behind the fuselage to operate the tread adjustment lever 94, thereby reducing the labor of the operator. In addition, the operability is improved.

さらに、トレッド調節レバー94を、エアクリーナ2pの上方で、該且つマフラからは左右方向に離間した位置に配置することにより、作業者がマフラから排出される高温の排気ガスに晒されることがなく、作業の快適性が向上する。   Furthermore, by arranging the tread adjusting lever 94 at a position above the air cleaner 2p and away from the muffler in the left-right direction, the operator is not exposed to the high-temperature exhaust gas discharged from the muffler. Work comfort is improved.

なお、横移動しない右駆動輪84Rの車輪幅WRよりも横摺動する左駆動輪84Lの車輪幅WLを狭くすると、機体の重心から遠く分担荷重が軽い左駆動輪84Lと重い右駆動輪84Rの接地圧が均等になって、直進走行性が良くなり操縦が容易になる。   If the wheel width WL of the left driving wheel 84L that slides sideways is narrower than the wheel width WR of the right driving wheel 84R that does not move laterally, the left driving wheel 84L and the heavy right driving wheel 84R that are lightly distributed from the center of gravity of the aircraft. The ground contact pressure becomes even, and the straight running performance is improved and the maneuvering becomes easy.

次に、排出される茎葉部、所謂排葉を畝溝方向に案内する、排葉案内に関する構成について説明する。
図9及び図10で示すとおり、前記引抜搬送装置19の後方下部に、分岐伝動ケース6の上方、エンジン2やミッションケース3の前方及び上方を覆う排葉カバー200を設ける。該排葉カバー200は、前記左右のハンドル支持フレーム7,7の傾斜部に沿わせると共に、排葉カバー200の前端部側が排葉ガイドプレート20の排葉案内作用域よりも機体前側に位置するように配置する。
Next, the structure regarding the leaf discharge guidance which guides the discharged foliage part, so-called leaf discharge, in the groin direction will be described.
As shown in FIGS. 9 and 10, a leaf cover 200 that covers the upper part of the branch transmission case 6 and the front and upper parts of the engine 2 and the transmission case 3 is provided in the lower rear part of the pulling and conveying device 19. The leaf cover 200 is provided along the inclined portions of the left and right handle support frames 7, 7, and the front end side of the leaf cover 200 is positioned on the front side of the body relative to the leaf guide action area of the leaf guide plate 20. Arrange as follows.

そして、該排葉カバー200の機体左側端部に、前記排葉ガイドプレート20と左側の引抜搬送ベルト17に案内されてきた茎葉部を機体左側の外側、より具体的に言うと、前記左側の走行伝動ケース80Lと左側の駆動輪84Lの左右間に案内して排出する、排葉シュータ201の基部側を着脱自在に設ける。該排葉シュータ201は、前記左側の走行伝動ケース80Lの上部及び機体外側部を覆うべく、機体左外側に突出した後、機体下方に向かって折り曲げる。   Then, at the left end of the body of the leaf cover 200, the leaf and leaf portion guided by the leaf guide plate 20 and the left pulling and conveying belt 17 is more specifically outside the left side of the body. A base side of the leaf shooter 201 that guides and discharges between the traveling transmission case 80L and the left drive wheel 84L is detachably provided. The leaflet shooter 201 protrudes to the left outer side of the machine body and then bends toward the lower side of the machine body so as to cover the upper part of the left traveling transmission case 80L and the outer part of the machine body.

このとき、図9で示すとおり、該排葉シュータ201の下端部は、左側の走行伝動ケース80Lのうち、前記車軸83の上部に位置するものとし、この位置でスプリングやゴムバンド等の弾性連結部材203を介して左側の走行伝動ケース80Lに取り付ける。このとき、該弾性連結部材203は、排葉シュータ201を下方に向かって付勢し、常に排葉シュータ201を張り状態で保持するものとする。   At this time, as shown in FIG. 9, the lower end portion of the leaflet shooter 201 is located above the axle 83 in the left traveling transmission case 80L, and at this position, an elastic connection such as a spring or a rubber band is provided. It is attached to the left traveling transmission case 80L via the member 203. At this time, the elastic connecting member 203 biases the leaf shooter 201 downward, and always holds the leaf shooter 201 in a stretched state.

なお、該排葉シュータ201を排葉カバー200に取り付けるときは、排葉シュータ201が排葉カバー200よりも下側に位置する構成とすると、排出案内される茎葉部が排葉カバー200と排葉シュータ201の間に引っ掛かりにくくなるので、能率よく排葉作業を行うことができる。   When the leaf shooter 201 is attached to the leaf cover 200, if the leaf leaf shooter 201 is positioned below the leaf cover 200, the stems and leaves that are guided to be discharged are separated from the leaf cover 200. Since it becomes difficult to get caught between the leaf shooters 201, the leaf removal operation can be performed efficiently.

上記の排葉シュータ201は、ポリ塩化ビニル等の軟質で且つ表面の滑らかな合成樹脂で構成すると、茎葉部の排出案内時に引っ掛かることを防止できると共に、左側の駆動輪84Lと走行伝動ケース80Lの左右間に収まる配置としやすくなる。加えて、走行伝動ケース80Lを上下回動させる際、排葉シュータ201の下端部は走行伝動ケース80Lの上下回動に連動して上下方向に移動するので、排葉シュータ201の着脱作業が不要であると共に、排葉シュータ201の破損が防止される。   When the above described leaf shooter 201 is made of a soft synthetic resin having a soft surface such as polyvinyl chloride, the leaf shooter 201 can be prevented from being caught during the discharge guidance of the foliage portion, and the left drive wheel 84L and the traveling transmission case 80L can be prevented. It becomes easy to arrange it to fit between the left and right. In addition, when the traveling transmission case 80L is rotated up and down, the lower end portion of the leaf transmission shooter 201 moves in the vertical direction in conjunction with the vertical rotation of the traveling transmission case 80L. In addition, the leaflet shooter 201 is prevented from being damaged.

また、前記排葉シュータ201の基部側の被覆範囲は、前記排葉ガイドプレート20の排葉搬送作用域よりも機体内側で、且つ左側の走行伝動ケース80Lの前側までとする。これに加えて、排葉シュータ201の前端側を機体外側から機体内側に向かって傾斜させておき、茎葉部の圃場への落下位置を、左側の駆動輪84Lの走行位置よりも機体内側の畝溝内とする。   Further, the covering range on the base side of the leaf discharging shooter 201 is set to the inner side of the machine body from the leaf leaf conveying action area of the leaf discharging guide plate 20 and to the front side of the left traveling transmission case 80L. In addition to this, the front end side of the defoliation shooter 201 is inclined from the outside of the body toward the inside of the body, and the fall position of the foliage portion on the field is set to the side closer to the inside of the body than the traveling position of the left driving wheel 84L. In the groove.

さらに、図9及び図10で示すとおり、前記左側の駆動輪84Lの機体内側に、左側の駆動輪84Lへの茎葉部の移動を規制する、左側の駆動輪84Lと同径、または小径のホイールカバー202を着脱自在に設ける。該ホイールカバー202は、前記車軸83に装着し、左側の駆動輪84Lと共に回転する配置とすると共に、外周縁部から車軸83に向かうほど左右幅が厚くなるものとする。このとき、平面視及び正背面視では、ホイールカバー202には法面が形成される。   Furthermore, as shown in FIGS. 9 and 10, a wheel having the same diameter as the left driving wheel 84L or a small diameter wheel that restricts the movement of the foliage part to the left driving wheel 84L inside the left driving wheel 84L. A cover 202 is detachably provided. The wheel cover 202 is mounted on the axle 83 and arranged to rotate with the left drive wheel 84L, and the lateral width increases from the outer peripheral edge toward the axle 83. At this time, a slope is formed on the wheel cover 202 in plan view and front back view.

なお、前記排葉カバー200やホイールカバー202は、茎葉部に付着した水や、茎葉部の傷から生じる汁による腐食を防止すべく、ステンレス鋼材や合成樹脂等の防食性の強い素材で構成したり、金属板の表面をゴムや合成樹脂等の防食性の強い素材でコーティングしたりすると、耐久性が向上する。   The leaf cover 200 and the wheel cover 202 are made of a highly corrosion-resistant material such as a stainless steel material or a synthetic resin so as to prevent corrosion caused by water adhering to the foliage part or juice resulting from scratches on the foliage part. If the surface of the metal plate is coated with a material having strong anticorrosion properties such as rubber or synthetic resin, the durability is improved.

上記の構成としたことにより、引抜搬送装置19から排出される茎葉部が排葉ガイドプレート20によって機体左側に排出案内されなくても、茎葉部は排葉カバー200上に載置されるので、排出された茎葉部が機体の各所に引っ掛かることが防止され、茎葉部の除去作業に要する時間と労力が軽減される。   With the above configuration, the foliage portion is placed on the foliage cover 200 even if the foliage portion discharged from the pulling and conveying device 19 is not guided to be discharged to the left side of the machine body by the foliage guide plate 20. The discharged foliage is prevented from being caught in various parts of the machine body, and the time and labor required for removing the foliage are reduced.

また、排葉シュータ201を排葉カバー200の機体左側端部に設け、この排葉シュータ201の下端部を左側の走行伝動ケース80Lと駆動輪84Lの左右間に臨ませたことにより、茎葉部を畝溝に案内することができるので、排出された茎葉部が未収穫の玉葱の茎葉部の挟持を妨げることが防止され、玉葱が圃場に抜き残されることが防止され、手作業で玉葱を引抜収穫する時間と労力が軽減される。   Further, the leaflet shooter 201 is provided at the left end of the body of the leaflet cover 200, and the lower end portion of the leaflet shooter 201 faces the left and right of the left traveling transmission case 80L and the drive wheel 84L. Can be guided to the trough, preventing the discharged foliage from interfering with the pinching of unharvested onion, preventing the onion from being left in the field, and manually removing the onion. Reduces the time and effort of pulling and harvesting.

あるいは、引抜収穫後、乾燥のために畝上に放置している玉葱の上に茎葉部が乗ることを防止できるので、玉葱が天日や風によって乾燥する時間が短縮される。
そして、排葉シュータ201が、排葉ガイドプレート20の排葉搬送作用域よりも機体内側を被覆することにより、左側の引抜搬送ベルト17と排葉ガイドプレート20によって案内される茎葉部がいつ落下しても排葉シュータ201で引き継ぐことができるので、機体上に茎葉部が残ることが防止され、除去作業に要する時間と労力が軽減される。
Alternatively, since the foliage can be prevented from getting on the onion that has been left on the straw for drying after the drawing harvest, the time for the onion to dry by the sun or wind is shortened.
Then, when the leaflet shooter 201 covers the inside of the machine body from the leaflet conveyance action area of the leaflet guide plate 20, when the foliage portion guided by the left pulling conveyance belt 17 and the leaflet guide plate 20 falls. Even so, it can be taken over by the leaflet shooter 201, so that the leaves and leaves are prevented from remaining on the machine body, and the time and labor required for the removal work are reduced.

さらに、排葉シュータ201が左側の走行伝動ケース80Lの上方及び機体外側を覆うことにより、左側の走行伝動ケース80L、特に車軸83に茎葉部が絡み付くことを防止できるので、茎葉部の除去作業がいっそう不要となり、作業能率の向上や労力の軽減が図られる。   Furthermore, since the leaflet shooter 201 covers the upper side of the left traveling transmission case 80L and the outside of the fuselage, it is possible to prevent the foliage from getting tangled with the left traveling transmission case 80L, particularly the axle 83. This eliminates the need to improve work efficiency and reduce labor.

また、排葉シュータ201の下部と左側の走行伝動ケース80Lを弾性連結部材203で連結し、排葉シュータ201を下方に付勢することにより、排葉シュータ201が風等で捲れたり、弛んだりすることによって茎葉部が進入する空間部が生じることを防止できるので、茎葉部の絡み付きの発生が防止され、作業能率の向上や労力の軽減が図られる。   Further, the lower leaflet shooter 201 and the left traveling transmission case 80L are connected by the elastic connecting member 203, and the leaflet shooter 201 is biased downward, so that the leaflet shooter 201 is drowned or slackened by wind or the like. By doing so, it is possible to prevent the space part into which the foliage part enters, so that the fouling of the foliage part is prevented, and the work efficiency is improved and the labor is reduced.

そして、左側の駆動輪84Lの機体内側にホイールカバー202を設けたことにより、排葉シュータ201から排出される茎葉部が左側の駆動輪84Lに接触して絡み付くことを防止できるので、茎葉部の絡み付きの発生が防止され、作業能率の向上や労力の軽減が図られる。   Since the wheel cover 202 is provided inside the fuselage of the left drive wheel 84L, the foliage discharged from the leaflet shooter 201 can be prevented from coming into contact with the left drive wheel 84L and entangled. Occurrence of entanglement is prevented, improving work efficiency and reducing labor.

これに加えて、ホイールカバー202を車軸83に近付くほど厚みが増す構造としたことにより、茎葉部がホイールカバー202に絡み付いても、径の変化により茎葉部が外れやすく、茎葉部の除去作業に要する労力が抑えられる。   In addition, the thickness of the wheel cover 202 increases as it gets closer to the axle 83, so that even if the foliage is entangled with the wheel cover 202, the foliage is likely to come off due to a change in diameter, and the foliage is removed. Less labor is required.

さらに、排葉シュータ201の前端側を機体外側から機体内側に向かって傾斜させ、茎葉部を畝溝内で且つ左側の駆動輪84Lに踏み付けられにくい位置に排出することができるので、左側の駆動輪84Lが茎葉部を踏むことによってスリップすることが防止され、走行姿勢や玉葱の引き抜き収穫姿勢が安定する。   Further, the front end side of the leaflet shooter 201 is inclined from the outside of the body toward the inside of the body, and the foliage can be discharged to a position that is difficult to be stepped on the left driving wheel 84L in the ridge groove. The wheel 84L is prevented from slipping by stepping on the foliage, and the running posture and the onion drawing and harvesting posture are stabilized.

1 機体フレーム
8 ハンドル
11 作業操作レバー
19 引抜搬送装置
63a 縦引起しラグ
64 縦引起し装置
65,66 掬い杆
68a 畝溝引起しラグ
69 畝溝引起し装置
70 ゲージ輪昇降ケース
73 ゲージ輪
76 ゲージ輪昇降ロッド
77 ゲージ輪調節ハンドル
84L 可動駆動輪(右駆動輪)
84R 固定駆動輪(左駆動輪)
147 接地センサ
148 過負荷センサ
WR 車輪幅
WL 車輪幅
DESCRIPTION OF SYMBOLS 1 Machine body frame 8 Handle | operator 11 Work control lever 19 Pulling-out conveyance apparatus 63a Vertical raising lug 64 Vertical raising apparatus 65, 66 Scissor raising 68a Groove raising lug 69 Groove raising apparatus 70 Gauge wheel raising / lowering case 73 Gauge wheel 76 Gauge Wheel lifting rod 77 Gauge wheel adjustment handle 84L Movable drive wheel (right drive wheel)
84R fixed drive wheel (left drive wheel)
147 Ground sensor 148 Overload sensor WR Wheel width WL Wheel width

Claims (8)

縦引起しラグ(63a)が茎葉部を掻き上げる複数の縦引起し装置(64)を機体の左右中央に設けた引抜搬送装置(19)の前に設け、畝溝に倒れる茎葉部を引き起こす畝溝引起し装置(69)を設けた根菜類収穫機において、畝溝引起し装置(69)に隣接する縦引起し装置(64)をその縦引起しラグ(63a)が機体の内側に傾いた状態で上方へ移動して茎葉部を掻き上げるようにしたことを特徴とする根菜類収穫機。   A vertical pulling lug (63a) scoops up the foliage, and a plurality of vertical pulling devices (64) are provided in front of the pulling and conveying device (19) provided at the center of the left and right sides of the fuselage. In the root vegetable harvesting machine provided with the groove raising device (69), the vertical raising device (64) adjacent to the furrow raising device (69) is raised vertically, and the lug (63a) is inclined to the inside of the machine body. A root crop harvester characterized by moving upward in the state and scraping up the foliage. 畝溝引起し装置(69)の畝溝引起しラグ(68a)が畝の法面に沿って上方へ移動するようにすると共に、隣接縦引起し装置(64)の縦引起しラグ(63a)が畝溝引起しラグ(68a)と略平行に上方移動することを特徴とする請求項1に記載の根菜類収穫機。   The grooving lug (68a) of the grooving raising device (69) is moved upward along the slope of the ridge and the vertical raising lug (63a) of the adjacent vertical raising device (64). The root crop harvesting machine according to claim 1, characterized in that the groin rises and moves upward substantially parallel to the lug (68a). 縦引起しラグ(63a)が茎葉部を掻き上げる複数の縦引起し装置(64)を機体の左右中央に設けた引抜搬送装置(19)の前に設け、畝溝に倒れる茎葉部を引き起こす畝溝引起し装置(69)を設けた根菜類収穫機において、畝溝引起し装置(69)側の固定駆動輪(84R)に対して反対側の可動駆動輪(84L)をトレッド調節機構(95)で左右へ移動可能にすると共に、固定駆動輪(84R)の車輪幅(WR)よりも可動駆動輪(84L)の車輪幅(WL)を狭くしたことを特徴とする根菜類収穫機。   A vertical pulling lug (63a) scoops up the foliage, and a plurality of vertical pulling devices (64) are provided in front of the pulling and conveying device (19) provided at the center of the left and right sides of the fuselage. In the root vegetable harvesting machine provided with the groove raising device (69), the movable drive wheel (84L) on the opposite side to the fixed drive wheel (84R) on the side of the groove raising device (69) is tread adjusting mechanism (95 ), And the wheel width (WL) of the movable drive wheel (84L) is narrower than the wheel width (WR) of the fixed drive wheel (84R). 機体の前部を支持するゲージ輪(73)のゲージ輪昇降ケース(70)をゲージ輪昇降ロッド(76)でハンドル(8)近くのゲージ輪調節ハンドル(77)に連結する根菜類収穫機において、ゲージ輪昇降ロッド(76)を右駆動輪(84R)より機体内側を通してゲージ輪調節ハンドル(77)に連結したことを特徴とする根菜類収穫機。   In a root crop harvesting machine in which a gauge wheel lifting / lowering case (70) of a gauge wheel (73) supporting the front of the machine body is connected to a gauge wheel adjusting handle (77) near the handle (8) by a gauge wheel lifting / lowering rod (76). The root crop harvesting machine is characterized in that the gauge wheel lifting rod (76) is connected to the gauge wheel adjustment handle (77) through the inside of the machine body from the right drive wheel (84R). 縦引起しラグ(63a)が茎葉部を掻き上げる複数の縦引起し装置(64)を機体の左右中央に設けた引抜搬送装置(19)の前に設け、機体の前側を支持する前輪(73)を設け機体の後部に操縦ハンドル(8)を設けた根菜類収穫機において、前輪(73)の地面からの所定高さ上昇を検出する接地センサ(147)を設け、該接地センサ(147)の所定高さ上昇検出で引抜搬送装置(19)と縦引起し装置(64)の駆動を停止することを特徴とする根菜類収穫機。   A plurality of vertical elevating devices (64) for raising the stems and leaves by the vertical elevating lugs (63a) are provided in front of the pulling and conveying device (19) provided at the center of the left and right sides of the machine body, and the front wheels (73) supporting the front side of the machine body ) And a ground vegetable harvesting machine provided with a steering handle (8) at the rear of the machine body, a ground sensor (147) for detecting a predetermined height rise from the ground of the front wheel (73) is provided, and the ground sensor (147) The root vegetable harvesting machine is characterized in that the pulling and conveying device (19) and the vertical pulling device (64) are stopped when a predetermined height rise is detected. 接地センサ(147)が接地を検出している状態で作業操作レバー(11)をオンすることで引抜搬送装置(19)と縦引起し装置(64)の駆動を開始することを特徴とする請求項5に記載の根菜類収穫機。   The driving of the pulling and conveying device (19) and the vertical pulling device (64) is started by turning on the work operation lever (11) in a state where the grounding sensor (147) detects the grounding. Item 6. A root vegetable harvester according to Item 5. 縦引起し装置(64)の下部に前方へ突出して茎葉部を掬い上げる掬い杆(65,66)を上下調整可能で所定以上の抵抗で側方へ回動するように設けたことを特徴とする請求項1から請求項6のいずれか1項に記載の根菜類収穫機。   It is characterized in that a scooping hook (65, 66) that protrudes forward and scoops up the foliage is provided at the lower part of the vertical pulling device (64) so that it can be adjusted up and down and can be turned to the side with a predetermined resistance or more. The root vegetable harvester according to any one of claims 1 to 6. 前記掬い杆(65,66)の所定角度以上の回動を検出する過負荷センサ(148)を設け、該過負荷センサ(148)が作動すると機体の走行を停止することを特徴とする請求項7に記載の根菜類収穫機。   An overload sensor (148) for detecting a rotation of the scooping rod (65, 66) beyond a predetermined angle is provided, and when the overload sensor (148) is activated, the traveling of the aircraft is stopped. 7. Root crop harvesting machine according to 7.
JP2014198985A 2014-09-29 2014-09-29 Root crop harvesting machine Pending JP2016067257A (en)

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