JP4125472B2 - Ground transplanting machine - Google Patents

Ground transplanting machine Download PDF

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Publication number
JP4125472B2
JP4125472B2 JP2000267128A JP2000267128A JP4125472B2 JP 4125472 B2 JP4125472 B2 JP 4125472B2 JP 2000267128 A JP2000267128 A JP 2000267128A JP 2000267128 A JP2000267128 A JP 2000267128A JP 4125472 B2 JP4125472 B2 JP 4125472B2
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Japan
Prior art keywords
planting
ground
machine
ground work
float
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Expired - Fee Related
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JP2000267128A
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Japanese (ja)
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JP2002065006A (en
Inventor
芳夫 石飛
哲男 芝田
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MITSUBISHI NOUKI KABUSHIKI KAISHA
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MITSUBISHI NOUKI KABUSHIKI KAISHA
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  • Soil Working Implements (AREA)

Description

【0001】
【発明の属する技術分野】
本発明は、圃場の代掻や耕地あるいは填圧等の対地作業を行なう対地作業機によって、この対地作業機に隣接して設けられている植付部を支持するスタンド姿勢にすることができる対地作業同時移植機に関する。
【0002】
【従来の技術】
従来、耕起され湛水された圃場で代掻装置によって代掻作業と、植付装置によって複数条分の苗の植付作業とを同時に行なうようにした代掻同時移植機は、対地作業機を植付装置の接地フロートの前方において、調節機構(高さ位置決め機構)の切換支持操作によって、対地作業姿勢と、地表から上方に離間させた非作業姿勢とに切換操作することができるように構成している。
【0003】
そして、このような移植機をトラック等で荷積運搬する際に、植付装置、特にフロート群を荷台上に直接置くと、トラックの振動に伴ってこの植付装置に大きな衝撃力などの負荷がかかってこの接地フロートが破損したり、この接地フロートを支持している上下調整機構や支持部の変形や破損を生じ易く、また、植付装置の重要な構成部材である、中フロートに連携している植付深さ制御機構が破損しやすい。
【0004】
そこで代掻装置を非作業姿勢にした状態で接地フロートの下部とトラックの荷台との間に発泡スチロール等ブロック状の枕部材を敷いて植付装置を固定支持するようにしている。
【0005】
【発明が解決しようとする課題】
しかし、上記従来の構成の移植機の運搬手段では、運搬時の振動による衝撃が枕部材を介してプラスチックブロー成形されている接地フロートに直接的に加わり、これの変形を伴い易い等の欠点がある。また、短い距離の運搬でもその都度枕部材の敷設を必要とし、運搬作業が煩雑になる等の問題がある。
【0006】
【課題を解決するための手段】
本発明は前記したような従来の装置の有する問題点を解決するためになされたものであって、走行機体1に複数条分の植付部31を有する植付装置3を装着すると共に、前記植付部31の前方で対地作業を行う対地作業機2を設けた移植機Aにおいて、前記走行機体1側に連結された植付機枠3aの下端に、下部にフロート群7を備えた伝動ケース33を設け、この伝動ケース33より前方に延長して形成した支持部材3bの先端に筒状のホルダ3cを固定し、その筒状のホルダ3c内に、下部に対地作業を行う代掻装置2のロータ5のロータ軸20を軸支する調節杆60をスライド可能に嵌挿させ、更に、その調節杆60の上部を前記植付機枠3aに設けた高さ位置決め機構6の操作レバー61に連繋させて高さ調節可能に支持し、前記対地作業機2のロータ5の上部を覆うカバー等のストッパ部材51と前記ホルダ3cとの間に、前記対地作業機2を最下降位置においた状態のスタンド姿勢に位置決めする位置決め部材80を脱着可能に設けたことを特徴としている。
【0008】
【発明の実施の形態】
次に本発明の一実施形態を参照して説明する。
【0009】
図1におけるAは、本発明に係る移植機(代掻同時移植機)であり、前輪1aと後輪1bとを有する機体(走行機体)1の上部に前方からエンジンEと操縦ハンドル及び座席シート等からなる操縦部1cを備え、さらに機体(走行機体)1の後部で植付け深さ自動制御(図示せず)の油圧シリンダ機構によって昇降されるトップリンク、ロアリンク等からなる昇降機構1dの後端に形成されたヒッチに、対地作業機としての代掻装置2を備えた植付装置3を機体1側から伝動可能に装着している。
【0010】
前記植付装置3は、昇降機構1dの後端に支持された植付機枠3aに、苗載台30及び5条植付分の植付爪を有する植付部31を配置した伝動ケース33が装着されている。そしてこの伝動ケース33の下方にはフロート群7を、図3に示す以下の配置によって、前後の支持リンク7a,7b(図2)を介して上下動可能となるように設けている。
【0011】
即ち、フロート群7は、植付幅の両外側に設けられ、その両側で各1条分の苗が植付けられる広幅のT字状の2条用の外フロート70,70と、この両外フロート70,70の内側に設けられ、その中央部で1条分の苗を植付け可能とするように、逆U字形状に形成された中フロート71とにより構成されている。
【0012】
なお、この実施形態において、フロート群7の中央の中フロート71は従来の装置と同様な構成の油圧自動感知制御機構(植付深さ制御機構)と連繋させており、この中フロート71の地面滑走時における伝導ケース33に対する上下動によって昇降機構1dを上下にコントロール作動させて植付け深さを一定とするようにしている。
【0013】
また、図2及び図3に示すように、前記代掻装置2はフロート群7の前方において植付幅に横向きに設けられたロータ軸20に、植付部31による各植付条の前方を、対地作業としての代掻を行なうように複数のカゴ型のロータ5を適当な取付間隔をもって装着している。
【0014】
また、前記取付間隔の内、両側の取付間隔内において、後述する対地作業姿勢の作業高さ位置決め機構としての上下調節機構6(図2)と連繋している上下方向に移動調節可能な調節杆60,60の下部に、前記ロータ軸20を回転可能に軸支している。
【0015】
更に、上記左右の調節杆60,60は、図2に示すように、その中途部を植付機枠3aから前側に向けて一体的に突設した支持部材3b(ブラケット)の一端に設けた筒状のホルダ3c内にスライド可能に嵌挿し、その上部を上下調節機構6の操作レバー61に連繋させて高さ位置決めして切換調節することができるように支持している。
【0016】
また、上記上下調節機構6は、操作レバー61の基部を植付機枠3aに横設した支持軸63を介して回動可能に枢支しているとともに、その中途部を植付機枠3aに固着した複数段のレバー係止部(溝)を有するレバーガイド65に位置選択可能に係止するように構成している。
【0017】
前記構成により代掻装置2を図2に示した対地作業姿勢の位置調節(代掻装置2が植付装置3のフロート群7より下降している)と、矢印で示すように代掻装置2をフロート群7より上昇させた非作業姿勢への切換操作を簡単に行なうことができるようにしている。
【0018】
なお、横向きに配置された代掻装置2のロータ軸20(図3)は、その中間部位でロータケース21内に軸支され、機体1側から後方に延設された駆動軸22によってベベルギヤ23を介して代掻回転方向に駆動するようになっている。
【0019】
また、上記のように構成された代掻装置2は、前記調節機構6とは別位置において、植付装置3を地表や床面から上方に向けて離間させてスタンド姿勢に支持させることができるスタンド姿勢位置決め機構8(図4)を設けることにより、代掻装置2を備えた移植機Aの運搬等を利便性を有して良好に行なうことができるようにしている。
【0020】
即ち、図4に示すようにスタンド姿勢位置決め機構8は、調節機構の操作レバー61を操作して代掻装置2を最下降位置においた状態の調節杆60,60に対し、代掻装置2とホルダ3cとの間に、位置決め部材80を装脱可能に設けて代掻装置をスタンド姿勢することができるようにしている。
【0021】
図示例の位置決め部材80は、調節杆60,60を両側から抱持するように割り形状ないし断面がU形に湾曲形成した「スペーサー部材」の中間部を、組付ピン81によって締め付け、ロータ5の上部を覆うカバー枠等の強固なストッパ部材51とホルダ3c間に至る着脱可能に装着した構成にしている。
【0022】
以上のように構成した移植機Aは、図2で示すように代掻装置と上下調節機構6によって非作業姿勢から対地作業姿勢の適正な高さに位置決めした状態において適正な深さの代掻作業と植付作業を同時に良好に行なうことができる。
【0023】
そして、移植機Aとトラック等の荷台に載せて運搬する際には、上下調節機構6によって代掻装置2を簡単に最下降させる。
【0024】
その後に前記ストッパ部材51とホルダ3cとの間に位置決め部材80を調節杆60,60に装着する。このように位置決め部材80を取付けて代掻装置を荷台(床面)に接地させて支持すると、位置決め部材80は、その上端部が前記ホルダ部材3cの下端部にその下端部がストッパ部材51に接触し、フロート7を荷台から離した状態としてこのフロート7に重量負荷をかけることを防止でき、植付装置3の重量を位置決め部材80が剛性の高いストッパ部材51とホルダ3cとの間で受けることができる。
【0025】
従って、従来の装置のように、フロート7に衝撃力が作用して変形や破損することがなく、また、リンク支持部の破損を生じさせず、移植機Aの運搬やその格納保管等を良好に行い易くすることができる等の特徴がある。
【0026】
また、上記のように上下調節機構6とは別個所において調節杆60,60にスタンド姿勢位置決め機構8を構成したことにより、上下調節機構6の構造を複雑化させることがなく、位置決め部材80を着脱するような簡潔な操作ができる構成により簡単に行なうことーができると共に、作業高さを位置決めする上下調節機構6に衝撃力が作用せず、従ってこの上下調節機構6の破損を防止できる。
【0027】
なお、この実施形態の説明は、対地作業機2を代掻作業を行なう代掻装置としたが、これに限ることなく圃場の耕起作業や地表を押し均す填圧作業を行なう作業機にしてもよいことは勿論である。
【0028】
また、位置決め部材80はホルダ3c又はストッパ部材51側に装着してスタンド姿勢と非スタンド姿勢とに切換可能に設けるようにしてもよいものである。
【0029】
【発明の効果】
以上の説明から明らかなように本発明による対地作業同時移植機は、対地作業機2を対地作業姿勢から、植付装置3を地表から離間させて支持するスタンド姿勢に姿勢切換えすることができるスタンド姿勢位置決め機構8を設けたことにより、移植機Aの運搬等をリンク支持部やフロート等の変形や破損を防止しながら行なうことができる。
【0030】
また、対地作業機2の対地作業姿勢の高さ位置決め機構と別位置でスタンド姿勢位置決め機構8を単独に構成することにより、対地作業機2を支持する調節杆60,60に対し簡潔で操作性よく設けることができると共に、対地作業姿勢の高さ位置決め機構の破損を防止することができる。
【図面の簡単な説明】
【図1】移植機Aの側面図である。
【図2】代掻装置と植付装置の側面図である。
【図3】代掻装置とフロートの平面図である。
【図4】代掻装置とスタンド姿勢位置決め機構の構成を示す側面図である。
【符号の説明】
1 走行機体 2 代掻装置(対地作業機)
3 植付装置 3a 植付機枠
3b 支持部材 3c ホルダ
5 ロータ 6 上下調節機構
7 フロート 8 スタンド姿勢位置決め機構
31 植付部 51 ストッパ部材
60 調節杆 61 操作レバー
65 レバーガイド 80 位置決め部材
81 組付ピン
[0001]
BACKGROUND OF THE INVENTION
The present invention provides a ground posture capable of supporting a planting portion provided adjacent to the ground work machine by a ground work machine that performs ground work such as field cutting, cultivated land or filling pressure. The present invention relates to a work simultaneous transplanter.
[0002]
[Prior art]
Conventionally, a surrogate simultaneous transplanting machine that performs a crushing operation by a crawling device and a planting operation of a plurality of seedlings by a planting device at the same time in a plowed and submerged field is a ground work machine. Can be switched between the ground working posture and the non-working posture spaced upward from the ground surface by the switching support operation of the adjustment mechanism (height positioning mechanism) in front of the grounding float of the planting device. It is composed.
[0003]
When such a transplanter is loaded and transported by a truck or the like, if a planting device, especially a float group, is placed directly on the loading platform, a load such as a large impact force is applied to the planting device due to the vibration of the truck. The grounding float is damaged, and the vertical adjustment mechanism that supports the grounding float and the support are easily deformed and damaged, and it is linked to the middle float, which is an important component of the planting device. The planting depth control mechanism is easily damaged.
[0004]
Therefore, with the scraper in a non-working position, a block-shaped pillow member such as polystyrene foam is laid between the lower part of the grounding float and the truck bed so that the planting device is fixedly supported.
[0005]
[Problems to be solved by the invention]
However, in the transporting means of the transplanter having the above-described conventional configuration, the impact due to vibration during transport is directly applied to the grounded float that is molded by plastic blow through the pillow member, and there is a drawback that it is easily accompanied by deformation. is there. In addition, there is a problem that even when transporting for a short distance, it is necessary to lay a pillow member each time, and the transporting operation becomes complicated.
[0006]
[Means for Solving the Problems]
The present invention has been made to solve the problems of the conventional apparatus as described above, and is equipped with a planting apparatus 3 having a plurality of planting portions 31 on the traveling machine body 1, and In the transplanting machine A provided with the ground working machine 2 that performs the grounding work in front of the planting part 31, a power transmission provided with a float group 7 at the lower end of the planting machine frame 3a connected to the traveling machine body 1 side. The case 33 is provided, a cylindrical holder 3c is fixed to the tip of a support member 3b formed to extend forward from the transmission case 33 , and the grounding work is performed in the lower part of the cylindrical holder 3c. An adjusting rod 60 that supports the rotor shaft 20 of the second rotor 5 is slidably inserted, and the upper portion of the adjusting rod 60 is further provided with an operation lever 61 of a height positioning mechanism 6 provided in the planting machine frame 3a. To support the adjustable height, A positioning member 80 for positioning the ground work machine 2 in a stand position with the ground work machine 2 in the lowest lowered position is detachable between a stopper member 51 such as a cover covering the upper part of the rotor 5 of the work machine 2 and the holder 3c. It is characterized by providing.
[0008]
DETAILED DESCRIPTION OF THE INVENTION
Next, a description will be given with reference to an embodiment of the present invention.
[0009]
1A is a transplanter according to the present invention (simultaneous transplanter), and an engine E, a steering handle, and a seat seat from the front of an upper body (running machine body) 1 having a front wheel 1a and a rear wheel 1b. And a lifting mechanism 1d composed of a top link, a lower link, and the like that are moved up and down by a hydraulic cylinder mechanism of an automatic planting depth control (not shown) at the rear of the body (running body) 1. A planting device 3 provided with a scraping device 2 as a ground work machine is attached to a hitch formed at an end so as to be able to transmit from the machine body 1 side.
[0010]
The planting device 3 has a transmission case 33 in which a planting unit 31 having planting pawls 30 and planting claws for five-row planting is disposed on a planting machine frame 3a supported at the rear end of the lifting mechanism 1d. Is installed. A float group 7 is provided below the transmission case 33 so as to be movable up and down via the front and rear support links 7a and 7b (FIG. 2) according to the following arrangement shown in FIG.
[0011]
That is, the float group 7 is provided on both outer sides of the planting width, and has two wide T-shaped outer floats 70 and 70 on which both seedlings are planted on both sides thereof, and both the outer floats. The middle float 71 is formed in an inverted U shape so that one seedling can be planted at the center thereof.
[0012]
In this embodiment, the middle float 71 in the center of the float group 7 is connected to a hydraulic automatic sensing control mechanism (planting depth control mechanism) having the same configuration as that of the conventional apparatus. The raising / lowering mechanism 1d is controlled up and down by the vertical movement with respect to the conduction case 33 at the time of sliding so that the planting depth is constant.
[0013]
Moreover, as shown in FIG.2 and FIG.3, the said scraping apparatus 2 is set in front of each planting strip by the planting part 31 to the rotor shaft 20 provided in the planting width sideways in front of the float group 7. A plurality of cage-type rotors 5 are mounted with appropriate mounting intervals so as to perform the ground work.
[0014]
Further, within the above-mentioned mounting intervals, the adjusting rods that can be moved and adjusted in the vertical direction are linked to the vertical adjusting mechanism 6 (FIG. 2) as a working height positioning mechanism for the ground work posture described later. The rotor shaft 20 is rotatably supported at the lower portion of 60,60.
[0015]
Further, as shown in FIG. 2, the left and right adjustment rods 60, 60 are provided at one end of a support member 3b (bracket) that projects in the middle from the planting machine frame 3a toward the front side. A cylindrical holder 3c is slidably inserted, and the upper part thereof is connected to the operation lever 61 of the vertical adjustment mechanism 6 so as to be positioned and supported for switching.
[0016]
Further, the vertical adjustment mechanism 6 pivotally supports the base of the operation lever 61 via a support shaft 63 horizontally provided on the planting machine frame 3a, and the middle part of the vertical adjustment mechanism 6 is located at the middle of the planting machine frame 3a. The lever guide 65 having a plurality of stages of lever locking portions (grooves) fixed to is fixed to be position selectable.
[0017]
With the above-described configuration, the position of the ground working posture of the scraping device 2 shown in FIG. 2 (the scraping device 2 is lowered from the float group 7 of the planting device 3), and the scraping device 2 as shown by an arrow. Can be easily switched to the non-working posture in which the float group 7 is raised from the float group 7.
[0018]
Note that the rotor shaft 20 (FIG. 3) of the scraping device 2 disposed sideways is pivotally supported in the rotor case 21 at an intermediate portion thereof, and a bevel gear 23 is driven by a drive shaft 22 extending rearward from the machine body 1 side. It is designed to drive in the direction of the rotational rotation via.
[0019]
Further, the scraping device 2 configured as described above can support the planting device 3 in a stand posture by separating the planting device 3 upward from the ground surface or floor surface at a position different from the adjustment mechanism 6. By providing the stand posture positioning mechanism 8 (FIG. 4), it is possible to carry out the transportation of the transplanter A provided with the scraping device 2 with good convenience.
[0020]
That is, as shown in FIG. 4, the stand posture positioning mechanism 8 operates the operating lever 61 of the adjusting mechanism to the adjusting rods 60 and 60 in the state where the scraping device 2 is in the lowest lowered position. A positioning member 80 is detachably provided between the holder 3c and the replacement device so that it can stand.
[0021]
In the illustrated positioning member 80, the intermediate portion of a “spacer member” having a split shape or a U-shaped curved shape so as to hold the adjusting rods 60, 60 from both sides is fastened by an assembly pin 81, and the rotor 5 It is set as the structure mounted so that attachment or detachment which reaches between the strong stopper members 51, such as a cover frame which covers the upper part, and the holder 3c was carried out.
[0022]
As shown in FIG. 2, the transplanter A configured as described above has an appropriate depth of cutting in a state in which it is positioned from the non-working posture to the appropriate height of the ground working posture by the scraping device and the vertical adjustment mechanism 6. Work and planting work can be performed well at the same time.
[0023]
And when placing and carrying on the loading platforms, such as the transplanter A and a truck, the up-and-down adjustment mechanism 6 lowers the scraping apparatus 2 to the lowest easily.
[0024]
Thereafter, a positioning member 80 is mounted on the adjusting rods 60, 60 between the stopper member 51 and the holder 3c. When the positioning member 80 is attached in this way and the scraping device is grounded and supported on the loading platform (floor surface), the positioning member 80 has an upper end portion on the lower end portion of the holder member 3c and a lower end portion on the stopper member 51. It is possible to prevent the float 7 from being placed on the float 7 in contact with the load 7 and to prevent the float 7 from being subjected to a weight load. The positioning member 80 receives the weight of the planting device 3 between the highly rigid stopper member 51 and the holder 3c. be able to.
[0025]
Therefore, unlike the conventional device, the impact force is not applied to the float 7 to be deformed or damaged, and the link support portion is not damaged, and the transport of the transplanter A and its storage and storage are good. The feature is that it can be easily performed.
[0026]
Further, as described above, the stand posture positioning mechanism 8 is configured in the adjustment rods 60 and 60 at a place different from the vertical adjustment mechanism 6, so that the structure of the vertical adjustment mechanism 6 is not complicated, and the positioning member 80 can be used. A simple operation such as attaching and detaching can be easily performed, and no impact force is applied to the vertical adjustment mechanism 6 for positioning the work height, so that the vertical adjustment mechanism 6 can be prevented from being damaged.
[0027]
In the description of this embodiment, the ground working machine 2 is a scraping device that performs the shaving work. However, the working machine is not limited to this and is used as a working machine that performs tilling work on the field and filling work that pushes the ground surface. Of course, it may be.
[0028]
The positioning member 80 may be mounted on the holder 3c or the stopper member 51 so as to be switchable between a stand posture and a non-stand posture.
[0029]
【The invention's effect】
As is apparent from the above description, the ground work simultaneous transplanting machine according to the present invention can change the position of the ground work machine 2 from the ground work position to the stand position that supports the planting device 3 separately from the ground surface. By providing the posture positioning mechanism 8, the transplanter A can be transported and the like while preventing deformation and breakage of the link support portion and the float.
[0030]
Further, the stand posture positioning mechanism 8 is configured separately from the height positioning mechanism for the ground work machine 2 at a position different from that of the ground work machine 2 so that the adjustment rods 60 and 60 that support the ground work machine 2 are simple and easy to operate. While being able to provide well, damage to the height positioning mechanism of the ground work posture can be prevented.
[Brief description of the drawings]
FIG. 1 is a side view of a transplanter A. FIG.
FIG. 2 is a side view of an alternative device and a planting device.
FIG. 3 is a plan view of an alternative device and a float.
FIG. 4 is a side view showing a configuration of a substitution device and a stand posture positioning mechanism.
[Explanation of symbols]
1 traveling machine body 2 scratching device (ground work machine)
DESCRIPTION OF SYMBOLS 3 Planting apparatus 3a Planting machine frame 3b Support member 3c Holder 5 Rotor 6 Vertical adjustment mechanism 7 Float 8 Stand attitude positioning mechanism 31 Planting part 51 Stopper member 60 Adjustment rod 61 Operation lever 65 Lever guide 80 Positioning member 81 Assembly pin

Claims (1)

走行機体(1)に複数条分の植付部(31)を有する植付装置(3)を装着すると共に、前記植付部(31)の前方で対地作業を行う対地作業機(2)を設けた移植機(A)において、
前記走行機体(1)側に連結された植付機枠(3a)の下端に、下部にフロート群(7)を備えた伝動ケース(33)を設け、この伝動ケース(33)より前方に延長して形成した支持部材(3b)の先端に筒状のホルダ(3c)を固定し、
その筒状のホルダ(3c)内に、下部に対地作業を行う代掻装置(2)のロータ(5)のロータ軸(20)を軸支する調節杆(60)をスライド可能に嵌挿させ、更に、その調節杆(60)の上部を前記植付機枠(3a)に設けた高さ位置決め機構(6)の操作レバー(61)に連繋させて高さ調節可能に支持し、
前記対地作業機(2)のロータ(5)の上部を覆うカバー等のストッパ部材(51)と前記ホルダ(3c)との間に、前記対地作業機(2)を最下降位置においた状態のスタンド姿勢に位置決めする位置決め部材(80)を脱着可能に設けたことを特徴とする対地作業同時移植機。
A ground work machine (2) for attaching a planting device (3) having a plurality of planting parts (31) to the traveling machine body (1) and performing ground work in front of the planting part (31). In the provided transplanter (A),
At the lower end of the planting machine frame (3a) connected to the traveling machine body (1) side, a transmission case (33) provided with a float group (7) is provided at the lower part, extending forward from the transmission case (33). The cylindrical holder (3c) is fixed to the tip of the support member (3b) formed as described above,
In the cylindrical holder (3c), an adjustment rod (60) that supports the rotor shaft (20) of the rotor (5) of the scraping device (2) that performs grounding work is slidably inserted into the cylindrical holder (3c). Furthermore, the upper part of the adjustment rod (60) is connected to the operation lever (61) of the height positioning mechanism (6) provided in the planting machine frame (3a) and supported so as to be adjustable in height.
The ground work machine (2) is in the lowest lowered position between the holder (3c) and a stopper member (51) such as a cover that covers the top of the rotor (5) of the ground work machine (2). A ground transplanting simultaneous transplanter characterized in that a positioning member (80) for positioning in a stand posture is detachable.
JP2000267128A 2000-09-04 2000-09-04 Ground transplanting machine Expired - Fee Related JP4125472B2 (en)

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Publication number Priority date Publication date Assignee Title
JP4389122B2 (en) * 2006-02-27 2009-12-24 井関農機株式会社 Seedling transplanter
JP5136150B2 (en) * 2008-03-26 2013-02-06 井関農機株式会社 Seedling planting machine
JP5136464B2 (en) * 2009-02-27 2013-02-06 井関農機株式会社 Seedling planting machine
JP7074539B2 (en) * 2018-04-04 2022-05-24 三菱マヒンドラ農機株式会社 Porting machine

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