JP2009268437A - Riding-type working vehicle - Google Patents

Riding-type working vehicle Download PDF

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Publication number
JP2009268437A
JP2009268437A JP2008123841A JP2008123841A JP2009268437A JP 2009268437 A JP2009268437 A JP 2009268437A JP 2008123841 A JP2008123841 A JP 2008123841A JP 2008123841 A JP2008123841 A JP 2008123841A JP 2009268437 A JP2009268437 A JP 2009268437A
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airframe
operating tool
riding
stop operating
work vehicle
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JP2009268437A5 (en
JP5101390B2 (en
Inventor
Makoto Yasuda
安田  真
Kazumasa Yoshida
和正 吉田
Kiwamu Fukunaga
究 福永
Hideshi Tsuchioka
秀史 土岡
Na Nakamura
奈 中村
Tomoyuki Arao
友志 新穂
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Kubota Corp
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Kubota Corp
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Abstract

<P>PROBLEM TO BE SOLVED: To facilitate a vehicle stop operation of a riding-type working vehicle operated on the ground even when without using a levee traversing arm or on a place having a narrow available space. <P>SOLUTION: A steering operation part of the working vehicle includes a vehicle stopping operation tool 3 capable of operating the vehicle 1 by an operator on the ground without riding on the traveling vehicle. <P>COPYRIGHT: (C)2010,JPO&INPIT

Description

本発明は、乗用型田植機や水田直播機、あるいは薬剤散布機等の主に水田作業で用いるための乗用型作業車に関する。   The present invention relates to a riding type work vehicle for use mainly in paddy field work such as a riding type rice transplanter, a paddy direct seeding machine, or a chemical spreader.

この種の乗用型作業車においては、機体を圃場へ出し入れしたり、運搬用トラックの荷台等へ積み降ろしする際に、機体が前後に大きく傾斜することがある。このような場合には機体姿勢が不安定であるため、作業者が地上に降りて機体を移動させることが望ましい。
このような要望に応える手段として、従来より下記[1]に示す構造を備えたものが知られている。
[1]地上操縦用の押さえ込みアームを備えるとともに、その押さえ込みアームに、押さえ込みアームが押さえ込み作用姿勢であるときに操作可能な機体停止操作具としての停止スイッチを装備させて、押さえ込み状態での操縦作業中においても機体停止操作が可能であるように構成したもの(特許文献1参照)。
In this type of riding-type work vehicle, when the machine body is taken in and out of the field, or loaded onto a loading platform of a transport truck, the machine body may be greatly inclined forward and backward. In such a case, since the body posture is unstable, it is desirable for the operator to get down to the ground and move the body.
As means for responding to such a demand, one having a structure shown in the following [1] has been conventionally known.
[1] Provided with a pressing arm for ground control, and equipped with a stop switch as a body stop operating tool that can be operated when the pressing arm is in the pressing action position, to perform the control work in the pressed state It is configured so that the aircraft can be stopped even inside (see Patent Document 1).

特開2003−102218号公報(段落〔0027〕、〔0031〕、図1、図4、図5)JP 2003-102218 A (paragraphs [0027], [0031], FIG. 1, FIG. 4, FIG. 5)

特許文献1に示されるように、地上操縦用の押さえ込みアームに機体停止操作具を備えたものでは、押さえ込みアームを用いて地上で機体の操縦操作を行ないながら、必要に応じて機体の緊急停止を行うこともできるので、地上での操縦操作性に優れたものである。
しかしながら、この従来構造のものでは、上述のような押さえ込みアームを備えていて、かつ、その押さえ込みアームを機体前方側へ倒伏させての押さえ込み作用姿勢とした状態でなければ停止スイッチを操作し難いという点で改善の余地がある。
つまり、押さえ込みアームを押さえ込み作用姿勢とするのは、畦越え作業を行うときや、乗用作業機を運搬車の荷台に積み込むときなどであり、その作業では便利に用いることができるものであるが、特に押さえ込みアームを押さえ込み作用姿勢とする必要がない場合や、押さえ込み作用姿勢とする途中、あるいは押さえ込み作用姿勢を解除する途中では停止スイッチに手が届かない場合があり、その際には急いで押さえ込みアームを押さえ込み作用姿勢としなければスイッチ操作が行い難いことがある。
また、押さえ込みアームを押さえ込み作用姿勢とした状態では、狭い場所や、機体前方側に空間的に余裕のない場所で使用しようとする場合には扱い難いなどの不具合がある。
As shown in Patent Document 1, in a case where a control arm for a ground control is equipped with an airframe stop operating tool, an emergency stop of the airframe is performed as necessary while performing control operation of the airframe on the ground using the press arm. Since it can also be performed, it is excellent in maneuverability on the ground.
However, in this conventional structure, it is difficult to operate the stop switch unless it has a pressing arm as described above and is in a pressing action posture in which the pressing arm is laid down on the front side of the aircraft. There is room for improvement.
In other words, the pressing arm is in the pressing action posture when carrying out the crossing work or when loading the passenger work machine onto the carrier bed, and can be used conveniently in that work. In particular, when the pressing arm does not need to be in the pressing action position, or when the pressing action position is being released or the pressing action position is being released, the stop switch may not be reached. It may be difficult to perform the switch operation unless the pressing action posture is set.
Further, in the state where the pressing arm is in the pressing action posture, there is a problem that it is difficult to handle when trying to use it in a narrow place or a place where there is no space on the front side of the body.

本発明の目的は、乗用型作業車における地上からの操縦操作時における機体停止操作を、畦越えアームを用いない場合や、空間的に余裕の少ない場所でも行い易くする点にある。   An object of the present invention is to make it easier to perform a vehicle body stop operation at the time of a steering operation from the ground in a passenger work vehicle even when a crossing arm is not used or where there is little space.

〔解決手段1〕
上記課題を解決するために講じた本発明の技術手段は、請求項1に記載のように、走行車体への非搭乗状態で地上から操作することが可能な機体停止操作具を備えた乗用型作業車であって、前記機体停止操作具をステアリング操作部に備えたことを特徴とする。
[Solution 1]
The technical means of the present invention taken in order to solve the above-mentioned problem is a riding type equipped with a body stop operating tool that can be operated from the ground in a non-boarding state on a traveling vehicle body as described in claim 1. A work vehicle, wherein the airframe stop operating tool is provided in a steering operation unit.

〔作用及び効果〕
上記のように、解決手段1にかかる本発明の乗用型作業車では、走行車体への非搭乗状態で地上から操作することが可能な機体停止操作具をステアリング操作部に備えたものであるから、押さえ込みアームを押さえ込み作用姿勢に操作する必要なく、機体停止操作具を操作することができる。
したがって、押さえ込みアームを使用しない状態での機体停止操作具の操作や、空間的に余裕のない箇所での機体停止操作具の操作を容易に行うことができる利点がある。
[Action and effect]
As described above, in the riding type work vehicle according to the present invention according to the solution 1, the steering operation unit includes the airframe stop operating tool that can be operated from the ground in a non-boarding state on the traveling vehicle body. The airframe stop operating tool can be operated without having to operate the pressing arm to the pressing action posture.
Therefore, there is an advantage that it is possible to easily perform the operation of the airframe stop operating tool without using the pressing arm and the operation of the airframe stop operating tool at a place where there is not enough space.

〔解決手段2〕
本発明の乗用型作業車における第2の解決手段は、請求項2の記載のように、走行車体への非搭乗状態で地上から操作することが可能な機体停止操作具を備えた乗用型作業車であって、前記機体停止操作具を機体前端部に備えたことを特徴とする。
[Solution 2]
According to a second solving means of the riding type work vehicle of the present invention, as described in claim 2, the riding type work provided with the airframe stop operating tool that can be operated from the ground in a non-boarding state on the traveling vehicle body. It is a car, The said body stop operation tool was provided in the body front end part, It is characterized by the above-mentioned.

〔作用及び効果〕
上記のように、解決手段2にかかる本発明の乗用型作業車では、走行車体への非搭乗状態で地上から操作することが可能な機体停止操作具を、機体前端部に備えたものであるから、押さえ込みアームを押さえ込み作用姿勢に操作する必要なく、機体停止操作具を操作することができる。
したがって、押さえ込みアームを使用しない状態での機体停止操作具の操作や、空間的に余裕のない箇所での機体停止操作具の操作を容易に行うことができる利点がある。
また、機体停止操作具の設けられる箇所が機体前端部であるから、走行車体が進行方向前方側の何らかの障害物に接当すれば、操縦者が意識して操作しなくとも機体を停止させられるものであり、操縦者が気付かない場合にも他物との衝突による損傷を回避し易い。
[Action and effect]
As described above, the riding-type work vehicle according to the present invention according to the solving means 2 includes the airframe stop operation tool that can be operated from the ground in a non-boarding state on the traveling vehicle body at the front end portion of the airframe. Therefore, the airframe stop operating tool can be operated without having to operate the pressing arm to the pressing action posture.
Therefore, there is an advantage that it is possible to easily perform the operation of the airframe stop operating tool without using the pressing arm and the operation of the airframe stop operating tool at a place where there is not enough space.
In addition, since the location where the aircraft stop operating tool is provided is the front end of the aircraft, if the traveling vehicle comes into contact with any obstacle on the front side in the traveling direction, the aircraft can be stopped without being consciously operated by the operator. Even if the operator does not notice it, it is easy to avoid damage due to collision with other objects.

〔解決手段3〕
本発明の乗用型作業車における第3の解決手段は、請求項3の記載のように、走行車体への非搭乗状態で地上から操作することが可能な機体停止操作具を備えた乗用型作業車であって、前記機体停止操作具を予備苗のせ台部分に備えたことを特徴とする。
[Solution 3]
According to a third solving means of the riding type work vehicle of the present invention, as described in claim 3, the riding type work provided with the airframe stop operating tool that can be operated from the ground in a non-boarding state on the traveling vehicle body. A vehicle is characterized in that the airframe stop operating tool is provided in a reserve seedling stage.

〔作用及び効果〕
上記のように、解決手段3にかかる本発明の乗用型作業車では、走行車体への非搭乗状態で地上から操作することが可能な機体停止操作具を予備苗のせ台部分に備えたものであるから、押さえ込みアームを押さえ込み作用姿勢に操作する必要なく、機体停止操作具を操作することができる。
したがって、押さえ込みアームを使用しない状態での機体停止操作具の操作や、空間的に余裕のない箇所での機体停止操作具の操作を容易に行うことができる利点がある。
また、機体停止操作具の設けられる箇所が予備苗のせ台部分であるから、機体の前端側に近い位置で機体正面から外れた位置でも機体停止操作具の操作を行い易く、予備苗の載置状況に気を配りながら機体を移動させているときにも、機体停止操作を行い易い利点がある。
[Action and effect]
As described above, the riding work vehicle of the present invention according to the solution means 3 is provided with the body stop operating tool that can be operated from the ground in the non-boarding state on the traveling vehicle body in the spare seedling platform portion. Therefore, the airframe stop operating tool can be operated without having to operate the pressing arm to the pressing action posture.
Therefore, there is an advantage that it is possible to easily perform the operation of the airframe stop operating tool without using the pressing arm and the operation of the airframe stop operating tool at a place where there is not enough space.
In addition, since the place where the airframe stop operating tool is provided is the reserve seedling platform, it is easy to operate the airframe stop operating tool even at a position close to the front end side of the airframe and away from the front of the airframe. There is an advantage that the aircraft can be easily stopped even when the aircraft is moved while paying attention to the situation.

〔解決手段4〕
本発明の乗用型作業車における第4の解決手段は、請求項4の記載のように、機体停止操作具は予備苗のせ台の前後方向での中間位置よりも機体前方側に配置されている点に特徴がある。
[Solution 4]
According to a fourth means for solving the problem in the riding type work vehicle of the present invention, as described in claim 4, the machine body stop operating tool is disposed on the front side of the machine body from the intermediate position in the front-rear direction of the reserve seedling platform. There is a feature in the point.

〔作用及び効果〕
上記のように、解決手段4にかかる本発明の乗用型作業車では、前記解決手段3にかかる発明と同等な作用効果の他に、次の作用効果をも奏する。
すなわち、機体停止操作具は予備苗のせ台の前後方向での中間位置よりも機体前方側に配置されているので、機体停止操作具が予備苗のせ台の前後方向での中間位置よりも後方側に配置されているものよりも、機体停止操作具を迅速に操作し易い。
つまり、非搭乗状態で地上から操作する操縦者は概して機体前方側寄りに位置して操作するので、機体停止操作具が中間位置よりも後方側に配備されていると、歩き難い水田などの圃場を移動して操作しなければならない場合がある。このため操作が遅れるなどの不具合を招くことがあるが、本発明ではそのような虞が少ない。
[Action and effect]
As described above, the riding work vehicle of the present invention according to the solving means 4 has the following effects in addition to the same effects as the invention according to the solving means 3.
In other words, since the airframe stop operating tool is arranged on the front side of the machine from the intermediate position in the front-rear direction of the reserve seedling platform, the machine stop operating tool is behind the intermediate position in the front-back direction of the reserve seedling platform. It is easier to operate the airframe stop operating tool more quickly than those arranged in the above.
In other words, pilots who operate from the ground in a non-boarding state are generally positioned closer to the front side of the aircraft, so if the aircraft stop operating tool is deployed rearward of the intermediate position, it is difficult to walk in fields such as paddy fields where it is difficult to walk You may have to move and operate. For this reason, problems such as a delay in operation may be caused, but in the present invention, there is less such a possibility.

〔解決手段5〕
本発明の乗用型作業車における第5の解決手段は、請求項5の記載のように、予備苗のせ台は複数の使用形態に形態変更可能に構成してあり、かつ機体停止操作具は、何れの形態においても予備苗のせ台の前後方向での中間位置よりも機体前方側に位置するように配置されている点に特徴がある。
[Solution 5]
According to a fifth solving means of the riding type work vehicle of the present invention, as described in claim 5, the stand for the seedling is configured to be changeable to a plurality of usage forms, and the airframe stop operating tool includes: In any form, it is characterized in that it is arranged so as to be located on the front side of the machine body from the intermediate position in the front-rear direction of the preliminary seedling bed.

〔作用及び効果〕
上記のように、解決手段5にかかる本発明の乗用型作業車では、前記解決手段3及び4にかかる発明と同等な作用効果の他に、次の作用効果をも奏する。
すなわち、機体停止操作具は、何れの形態においても予備苗のせ台の前後方向での中間位置よりも機体前方側に位置するように配置されているので、走行車体の前端側が畦側に向いて予備苗の補給を行う際に、非搭乗状態で地上から操作する操縦者が、圃場から出て畦側に位置して操作し易いという利点がある。
[Action and effect]
As described above, the riding work vehicle of the present invention according to the solving means 5 has the following effects in addition to the same effects as the invention according to the solving means 3 and 4.
That is, the airframe stop operating tool is arranged so that it is positioned on the front side of the airframe rather than the intermediate position in the front-rear direction of the reserve seedling platform in any form, so that the front end side of the traveling vehicle body faces the heel side. There is an advantage that when a spare seedling is replenished, an operator who operates from the ground in a non-boarding state can easily operate by getting out of the field and on the heel side.

以下、本発明の実施の形態の一例を図面の記載に基づいて説明する。
〔乗用型田植機の全体構成〕
図1及び図2に、本発明に係る乗用型作業車の一例としての乗用型田植機が示されている。
この乗用田植機は、機体フレーム10の下部側に操向自在な前輪11と操向不能な後輪12を備えた4輪駆動型の走行車体1の後部に、油圧シリンダ13によって駆動される昇降リンク機構14を介して4条植え仕様の苗植付け装置6が昇降自在に連結された構造となっている。
Hereinafter, an example of an embodiment of the present invention will be described based on the drawings.
[Overall configuration of riding rice transplanter]
1 and 2 show a riding rice transplanter as an example of a riding work vehicle according to the present invention.
The riding rice transplanter is an elevator driven by a hydraulic cylinder 13 at the rear part of a four-wheel drive type traveling vehicle body 1 having a steerable front wheel 11 and a non-steerable rear wheel 12 on the lower side of the body frame 10. A four-planting seedling planting device 6 is connected via a link mechanism 14 so as to be movable up and down.

苗植付け装置6は、前記昇降リンク機構14の後端下部にローリング自在に連結されており、苗を載置して一定ストロークで往復横移動する苗のせ台60、後ろ向き片持ち状に延出された左右一対の植付けケース61、各植付けケース61の後端部左右に装備されたロータリ式の植付け機構62、田面の植付け予定箇所を均平化する3個の整地フロート63、次行程の走行基準線を田面に引っ掻き形成してゆく起伏自在な左右一対の線引きマーカ64、等を備えている。   The seedling planting device 6 is connected to the lower part of the rear end of the elevating link mechanism 14 so as to be able to roll freely. A pair of left and right planting cases 61, a rotary planting mechanism 62 mounted on the left and right of the rear end of each planting case 61, three leveling floats 63 for leveling the planned planting areas on the surface of the field, and running standards for the next stroke A pair of left and right draw markers 64, etc., which can be formed by scratching a line on the surface, are provided.

前記走行車体1の前部にはエンジン2が搭載され、このエンジン2の出力が、主クラッチ20を兼ねるベルト伝動機構21を介して静油圧式の無段変速装置(HST)からなる主変速装置22に伝達されて変速された後、前輪11を軸支したミッションケース15に入力され、ミッションケース15内で走行系と植付け作業系に分岐されるように構成してある。
そして、走行系の動力は左右の前輪11に伝達されるとともに、ミッションケース15の後部から後方に延出した左右の後輪伝動ケース16を介して左右の後輪12に伝達され、また、ミッションケース15内で分岐された植付け作業系の動力は、伝動軸17を介して前記苗植付け装置6に入力されるようになっている。なお、図示しないが、左右の前輪11はデフ装置を介して駆動されるとともに、左右の後輪12はサイドクラッチを介して駆動されるようになっている。また、左右の後輪伝動ケース16はダンパ18を介して独立的に上下揺動可能に支持されている。
An engine 2 is mounted on the front of the traveling vehicle body 1, and the output of the engine 2 is a main transmission including a hydrostatic continuously variable transmission (HST) via a belt transmission mechanism 21 that also serves as a main clutch 20. After being transmitted to 22 and being shifted, it is input to a mission case 15 that pivotally supports the front wheels 11 and is branched into a traveling system and a planting work system within the mission case 15.
The power of the traveling system is transmitted to the left and right front wheels 11, and is also transmitted to the left and right rear wheels 12 via the left and right rear wheel transmission cases 16 extending rearward from the rear portion of the mission case 15. The power of the planting system branched in the case 15 is input to the seedling planting device 6 via the transmission shaft 17. Although not shown, the left and right front wheels 11 are driven via a differential device, and the left and right rear wheels 12 are driven via a side clutch. The left and right rear wheel transmission cases 16 are supported via a damper 18 so as to be independently swingable up and down.

走行機体1の前端部には、パイプ材をアーチ形に屈曲して形成した押さえ込みアーム4がその基端部の支点xを中心に前後に起伏揺動可能に装着されている。この押さえ込みアーム4は、図3に示すように前方へ大きく突出するように倒伏した作用姿勢と、図1に示すように機体前部のボンネット19に略沿った姿勢に起立する格納姿勢とに亘る一定範囲で起伏揺動可能に枢支されるとともに、その枢支基部に与えられた摩擦によって任意の揺動位置で摩擦保持することも可能となっている。   A pressing arm 4 formed by bending a pipe material into an arch shape is attached to the front end portion of the traveling machine body 1 so as to swing up and down around a fulcrum x of the base end portion. As shown in FIG. 3, the pressing arm 4 has a working posture that is laid down so as to largely protrude forward, and a retracted posture that stands up in a posture substantially along the bonnet 19 at the front of the body as shown in FIG. 1. It is pivotally supported so as to swing up and down within a certain range, and can be frictionally held at an arbitrary swinging position by friction applied to the pivot base.

また、走行車体1におけるボンネット19の後方に配備されたステアリングハンドル5は、前後にチルト可能に構成されており、図1の実線および図3の仮想線に示す、やや後傾した通常の乗用操作位置と、図3の実線で示すように、前方に倒れた姿勢とに切換え可能となっている。また、格納姿勢の押さえ込みアーム4の上端はステアリングハンドル5の下方にもぐり込むようになっている。図中の符号7は運転座席である。   Further, the steering handle 5 disposed behind the hood 19 in the traveling vehicle body 1 is configured to be able to tilt back and forth, and is a normal riding operation slightly tilted rearward as shown by the solid line in FIG. 1 and the virtual line in FIG. As shown by the solid line in FIG. 3, the position can be switched to a posture that falls forward. In addition, the upper end of the pressing arm 4 in the retracted position is recessed below the steering handle 5. Reference numeral 7 in the figure denotes a driver seat.

畦越えや運搬車両の荷台への田植機の積み下ろしなどにおいては、走行車体1を微速で走行させながら作業者は地上に降りて操縦する。この場合、押さえ込みアーム4を前方に大きく倒して作用姿勢にするとともに、ステアリングハンドル5を前方側に傾倒させておく。そして、地上の作業者が押さえ込みアーム4を押え込むことで、機体前部が浮き上がることを阻止しながら、ステアリングハンドル5を弾性中立保持力に抗して操作することで、地上から前輪11を操向操作して軌道修正を行うことができるのである。   When crossing the ridge or unloading the rice transplanter onto the loading platform of the transport vehicle, the operator gets down to the ground and steers the vehicle while traveling the vehicle body 1 at a slow speed. In this case, the pressing arm 4 is largely tilted forward to the operating posture, and the steering handle 5 is tilted forward. Then, by operating the steering handle 5 against the elastic neutral holding force while preventing the front part of the machine body from being lifted by the operator on the ground pressing the pressing arm 4, the front wheel 11 can be operated from the ground. The trajectory can be corrected by operating in the direction.

〔機体停止操作具〕
上記構造の乗用型田植機において、本発明では、走行車体1への非搭乗状態で地上から操作することが可能な機体停止操作具3を備えている。
この機体停止操作具3は、図2及び図3に示すように、ステアリングハンドル5の外周ホィール部分50よりも半径方向内方側の上部箇所に押しボタンスイッチSWを設け、この押しボタンスイッチSWをエンジン2の制御装置100に接続することによって構成されている。したがって、緊急時には、地上から操作する作業者が、この押しボタンスイッチSWを押し操作することで、エンジン2の制御装置100からエンジン停止装置101に停止指令信号が送られ、エンジン回転が停止することにより、機体を停止させるように構成してある。
[Aircraft stop operation tool]
The riding type rice transplanter having the above-described structure includes the machine body stop operating tool 3 that can be operated from the ground in the non-boarding state of the traveling vehicle body 1 in the present invention.
As shown in FIGS. 2 and 3, the airframe stop operating tool 3 is provided with a push button switch SW at an upper portion radially inward of the outer peripheral wheel portion 50 of the steering handle 5. It is configured by connecting to the control device 100 of the engine 2. Therefore, in an emergency, when an operator operating from the ground presses the push button switch SW, a stop command signal is sent from the control device 100 of the engine 2 to the engine stop device 101, and the engine rotation stops. Thus, the airframe is configured to stop.

〔別実施形態の1〕
本発明の機体停止操作具3としては、上記の最良の実施形態で示したような、ステアリングハンドル5の上部箇所に設けるのではなく、図4(a),(b)に示すように、走行車体1の前部側で、フロントステップ30の前面箇所に押しボタンスイッチSWを設けた構造のものであってもよい。
このようにフロントステップ30の前面箇所に押しボタンスイッチSWを設けると、走行車体1が進行方向前方側の何らかの障害物に接当すれば、操縦者が意識して操作しなくとも機体を停止させることができる。したがって、操縦者が低い位置の障害物に気付かない場合にも、押しボタンスイッチSWが障害物と接触したことを検出すれば、そのことの検出によって機体を停止させられるので、他物との衝突による損傷を回避し易い。
[Other Embodiment 1]
As shown in FIGS. 4 (a) and 4 (b), the airframe stop operating tool 3 of the present invention is not provided at the upper portion of the steering handle 5 as shown in the above-mentioned best embodiment. A structure in which a push button switch SW is provided in front of the front step 30 on the front side of the vehicle body 1 may be used.
When the push button switch SW is provided at the front portion of the front step 30 as described above, if the traveling vehicle body 1 comes into contact with any obstacle on the front side in the traveling direction, the airframe is stopped without being consciously operated by the operator. be able to. Therefore, even when the driver does not notice an obstacle at a low position, if the push button switch SW detects that the obstacle is in contact with the obstacle, the aircraft can be stopped by detecting that, so that the collision with the other object occurs. Easy to avoid damage.

〔別実施形態の2〕
上記機体停止操作具3を設けるにあたり、図5に示すように、機体前部側にバランスウェイト31を設け、そのバランスウェイト31の前部箇所に押しボタンスイッチSWを設けても良い。このようにバランスウェイト31の前部箇所を利用して押しボタンスイッチSWの配設箇所を設けると、走行車体1そのものには、押しボタンスイッチSWの取付用の構造を必要としないので、走行車体1側の構造の簡素化や組み付け作業の簡素化を図ることができ、また、走行車1体側の組み付け作業とは別個の作業工程でバランスウェイト31に押しボタンスイッチSWを組み込むことができる。
[Second embodiment]
In providing the airframe stop operating tool 3, as shown in FIG. 5, a balance weight 31 may be provided on the front side of the airframe, and a push button switch SW may be provided at the front portion of the balance weight 31. In this manner, when the push button switch SW is provided using the front portion of the balance weight 31, the traveling vehicle body 1 itself does not require a structure for mounting the push button switch SW. The simplification of the structure on the one side and the assembling work can be achieved, and the push button switch SW can be incorporated into the balance weight 31 in a work process separate from the assembling work on the side of one traveling vehicle.

〔別実施形態の3〕
上記機体停止操作具3を設けるにあたり、図6に示すように、機体前部側でエンジン搭載フレーム32の前面側において、そのエンジン搭載フレーム32の左右方向での広範囲にわたって接触プレート33を付設し、この接触プレート33が走行車体1の最前端部に位置するように構成してある。
そして、接触プレート33に他物が接当すると、そのことを検出する感圧センサー(図外)を備えていて、感圧センサーによる検出結果を制御装置100に伝えて、エンジン停止装置101が作動するように構成してある。
尚、このような感圧センサーを用いずに、エンジン搭載フレーム32の前面側に押しボタンスイッチSWを設けて、その検出結果を前記制御装置100に伝えて、エンジン停止装置101を作動させるようにしてもよい。
[3 of another embodiment]
In providing the airframe stop operating tool 3, as shown in FIG. 6, a contact plate 33 is provided over a wide range in the left-right direction of the engine mounting frame 32 on the front side of the engine mounting frame 32 on the front side of the airframe. The contact plate 33 is configured to be positioned at the foremost end of the traveling vehicle body 1.
Then, when another object comes into contact with the contact plate 33, a pressure sensor (not shown) for detecting that is provided, and the detection result by the pressure sensor is transmitted to the control device 100, and the engine stop device 101 is activated. It is comprised so that it may do.
Instead of using such a pressure-sensitive sensor, a push button switch SW is provided on the front side of the engine mounting frame 32, the detection result is transmitted to the control device 100, and the engine stop device 101 is operated. May be.

〔別実施形態の4〕
上記機体停止操作具3を設けるにあたり、図7に示すように、走行車体1の前部横側部に予備苗のせ台40を備え、その予備苗のせ台40に押しボタンスイッチSWを設けてもよい。
このように、予備苗のせ台40部分に押しボタンスイッチSWを設けると、予備苗のせ台40に載置されている苗に注意を払っている状態のとき、緊急停止の必要が生じると、ただちに応答し易い点で有利である。
[4 of another embodiment]
In providing the airframe stop operating tool 3, as shown in FIG. 7, a reserve seedling base 40 is provided on the front lateral side of the traveling vehicle body 1, and a push button switch SW is provided on the preliminary seedling base 40. Good.
As described above, when the push button switch SW is provided in the reserve seedling base 40 portion, when an emergency stop is required when attention is paid to the seedlings placed on the preliminary seedling support base 40, immediately It is advantageous in that it is easy to respond.

〔別実施形態の5〕
上記機体停止操作具3を予備苗のせ台40部分に設けるにあたり、図8及び図9に示すように構成してもよい。
この構造では、走行車体1の前部横側部に備えた予備苗のせ台40を、図8に示す作業走行姿勢と、図9に示す苗補給姿勢とに姿勢変更自在構成してある。
そして、機体停止操作具3としての押しボタンスイッチSWは、前記作業走行姿勢と苗補給姿勢とのいずれの姿勢においても機体進行方向の最前端部に位置するように配設されている。
すなわち、この実施形態では、支柱43の上下に配備された複数段の苗載置枠41のうち、最上位の苗載置枠41の前端箇所に押しボタンスイッチSWを付設してあって、かつ、上、中、下の各段の苗載置枠41をリンク部材42で連結して、図9に示す苗補給姿勢に姿勢変更したときにも、前記押しボタンスイッチSWは、機体進行方向の最前部に位置するように構成されている。
図8に各苗載置枠41の移動方向を矢印で示している。このように、図8に示す作業走行姿勢から図9に示す苗補給姿勢に姿勢変更される際には、作業走行姿勢での各苗載置枠41のうち、上段の苗載置枠41は前方側へ移動し、下段の苗載置枠41は後方側へ移動して、側面視でほぼ水平状態に上、中、下、の各苗載置枠41が連なる状態となる。
[5 of another embodiment]
In providing the airframe stop operating tool 3 in the reserve seedling stage 40 portion, it may be configured as shown in FIGS.
In this structure, the reserve seedling platform 40 provided on the front lateral side portion of the traveling vehicle body 1 is configured to freely change the posture between a working traveling posture shown in FIG. 8 and a seedling supply posture shown in FIG.
The push button switch SW as the machine body stop operating tool 3 is disposed so as to be positioned at the foremost end in the machine body traveling direction in any of the work travel posture and the seedling supply posture.
That is, in this embodiment, the push button switch SW is attached to the front end portion of the uppermost seedling placement frame 41 among the plurality of seedling placement frames 41 arranged above and below the support 43, and Even when the seedling placement frames 41 of the upper, middle, and lower stages are connected by the link member 42 and the posture is changed to the seedling supply posture shown in FIG. 9, the push button switch SW remains in the aircraft traveling direction. It is comprised so that it may be located in the forefront part.
In FIG. 8, the moving direction of each seedling placement frame 41 is indicated by an arrow. As described above, when the posture is changed from the work travel posture shown in FIG. 8 to the seedling supply posture shown in FIG. 9, among the seedling placement frames 41 in the work travel posture, the upper seedling placement frame 41 is Moving to the front side, the lower seedling placement frame 41 moves to the rear side, and the upper, middle, and lower seedling placement frames 41 are connected in a substantially horizontal state in a side view.

〔別実施形態の6〕
上記機体停止操作具3を予備苗のせ台40部分に設けるにあたり、図10(a),(b)に示すように構成してもよい。
この構造のうち、図10(a)に示す構造では、上、中、下の苗載置枠41のうち、最下段の苗載置枠41部分を固定して、上段、及び中段の苗載置枠41を可動であるようにリンク部材42で連結することにより、固定された最下段の苗載置枠41部分を基準にして、それよりも機体前後方向での前方側に他の苗載置枠41部分を延出した状態としている。
また、図10(b)に示す構造では、上、中、下の苗載置枠41のうち、最上段の苗載置枠41部分を固定して、下段、及び中段の苗載置枠41を可動であるようにリンク部材42で連結することにより、固定された最上段の苗載置枠41部分を基準にして、それよりも機体前後方向での後方側に他の苗載置枠41部分を延出した状態としている。
これらの構造においても、機体停止操作具3は作業走行姿勢と苗補給姿勢とのいずれの姿勢においても機体進行方向の最前端部に位置するものであるから、前記図10(a)及び図10(b)に示す構造の何れにおいても、押しボタンスイッチSWは上段の苗載置枠41の前端部に設けられている。
[6 of another embodiment]
When the machine body stop operating tool 3 is provided on the reserve seedling stage 40, it may be configured as shown in FIGS. 10 (a) and 10 (b).
10A, among the upper, middle, and lower seedling placement frames 41, the lowermost seedling placement frame 41 portion is fixed, and the upper and middle seedling placements are fixed. By connecting the placement frame 41 with the link member 42 so as to be movable, the other seedling placement on the front side in the front-rear direction of the machine body with respect to the fixed bottom seedling placement frame 41 portion as a reference. The frame 41 is in an extended state.
Further, in the structure shown in FIG. 10B, the uppermost seedling placement frame 41 of the upper, middle, and lower seedling placement frames 41 is fixed, and the lower and middle seedling placement frames 41 are fixed. Are connected by the link member 42 so as to be movable, with reference to the fixed uppermost seedling placement frame 41 as a reference, the other seedling placement frames 41 on the rear side in the longitudinal direction of the machine body. The part is extended.
Also in these structures, the airframe stop operating tool 3 is located at the foremost end portion in the airframe traveling direction in any of the work travel posture and the seedling replenishment posture, so that FIG. 10 (a) and FIG. In any of the structures shown in (b), the push button switch SW is provided at the front end portion of the upper seedling placement frame 41.

〔別実施形態の7〕
上記機体停止操作具3を予備苗のせ台40部分に設けるにあたり、図11(a),(b)に示すように構成してもよい。
この構造では、苗載置枠41の全てが支柱43部分に支持されていて、その支柱43が、ほぼ直立した作業走行姿勢と、支柱43が前傾した苗補給姿勢と、支柱43が後傾した予備苗取り出し姿勢とに、姿勢変更自在に構成されている。
この構造では、支柱43部分の姿勢変更と、各苗載置枠41部分の展開とを個別に行うことができる。この場合にも、機体停止操作具3は、いずれの姿勢においても機体進行方向の最前端部に位置するものであるから、前記図11(a)及び図11(b)に示す構造の何れにおいても、押しボタンスイッチSWは上段の苗載置枠41の前端部に設けられている。
[7 of another embodiment]
When the machine body stop operating tool 3 is provided on the reserve seedling stage 40, it may be configured as shown in FIGS. 11 (a) and 11 (b).
In this structure, all of the seedling placement frame 41 is supported by the support 43 portion, and the support 43 has a substantially upright working posture, a seedling supply posture in which the support 43 is tilted forward, and the support 43 is tilted backward. The posture can be freely changed to the preliminary seedling taking-out posture.
In this structure, it is possible to individually change the posture of the support 43 portion and deploy each seedling placement frame 41 portion. Also in this case, since the airframe stop operating tool 3 is located at the foremost end in the airframe traveling direction in any posture, any of the structures shown in FIGS. 11 (a) and 11 (b). The push button switch SW is also provided at the front end of the upper seedling placement frame 41.

〔その他〕
[1] 機体停止操作具3による機体停止のための操作対象は、上述の各実施形態で示したエンジン2の停止に限らず、主クラッチ(図外)の切り操作や、静油圧式の無段変速装置(HST)からなる主変速装置22の中立位置への変速操作であってもよい。
[Others]
[1] The operation target for stopping the airframe by the airframe stop operating tool 3 is not limited to the stop of the engine 2 shown in each of the above-described embodiments. It may be a shift operation to the neutral position of the main transmission 22 composed of a step transmission (HST).

[2] 機体停止操作具3としては、上述の各実施形態で示した押しボタンスイッチSWや感圧センサーに限らず、例えば、予め設定した特定範囲内に侵入した物体や人為操作を検出するように、赤外線センサーや磁気センサーを設けて構成するなどしてもよい。
[3] 押さえ込みアーム4を支点x周りに起伏揺動可能に構成するのではなく、起立し
た姿勢のままで、ボンネット19に近接した格納姿勢及びボンネット19から前方に離れ
た作用姿勢に、前後方向にスライド自在に構成してもよい。
[2] The airframe stop operating tool 3 is not limited to the push button switch SW or the pressure sensor shown in each of the above-described embodiments. For example, an object or an artificial operation that has entered a predetermined range is detected. In addition, an infrared sensor or a magnetic sensor may be provided.
[3] The pressing arm 4 is not configured to be swingable up and down around the fulcrum x, but in a standing position, in a retracted position close to the bonnet 19 and an action position away from the bonnet 19 in the front-rear direction It may be configured to slide freely.

[4] 押さえ込みアーム4を廃止し、これに代えてステアリングハンドル5を図3の実線に示す姿勢よりもさらに前方及び下方の姿勢に切換え可能に構成してもよい。この前方
及び下方の姿勢のステアリングハンドル5を地上の作業者が手で持つことになる。
[4] The pressing arm 4 may be eliminated, and instead of this, the steering handle 5 may be configured to be able to be switched to a posture further forward and lower than the posture shown by the solid line in FIG. An operator on the ground will hold the steering handle 5 in the forward and downward postures by hand.

[5] 本発明は、最良の実施形態で例示した乗用型田植機に限らず、直播機や薬剤散布機などの水田作業機、あるいは、トラクタや芝刈り機などの各種農作業機、さらには運搬車や建設車両など、各種の乗用型作業車に採用することが可能である。 [5] The present invention is not limited to the riding type rice transplanter exemplified in the best embodiment, but is used for paddy field work machines such as a direct seeding machine and a chemical spreader, various farm work machines such as a tractor and a lawn mower, and further transportation. It can be used in various types of passenger work vehicles such as cars and construction vehicles.

乗用型田植機の全体側面図Overall side view of riding rice transplanter 乗用型田植機の全体平面図Overall plan view of riding rice transplanter 機体停止操作具を備えた乗用型田植機の一部を示す側面図Side view showing a part of a riding rice transplanter equipped with a machine stop operation tool 機体停止操作具の他の実施形態を示す平面図と側面図Plan view and side view showing another embodiment of the airframe stop operating tool 機体停止操作具の他の実施形態を示す側面図Side view showing another embodiment of the airframe stop operating tool 機体停止操作具の他の実施形態を示す平面図と側面図Plan view and side view showing another embodiment of the airframe stop operating tool 機体停止操作具の他の実施形態を示す側面図Side view showing another embodiment of the airframe stop operating tool 機体停止操作具の他の実施形態を示す側面図Side view showing another embodiment of the airframe stop operating tool 機体停止操作具の他の実施形態を示す側面図Side view showing another embodiment of the airframe stop operating tool 予備苗のせ台と機体停止操作具の他の実施形態を示す側面図Side view showing another embodiment of reserve seedling table and airframe stop operating tool 予備苗のせ台と機体停止操作具の他の実施形態を示す側面図Side view showing another embodiment of reserve seedling table and airframe stop operating tool

符号の説明Explanation of symbols

1 走行車体
2 エンジン
3 機体停止操作具
4 押さえ込みアーム
5 ステアリングハンドル
40 予備苗のせ台
100 制御装置
101 エンジン停止装置
SW 押しボタンスイッチ
DESCRIPTION OF SYMBOLS 1 Traveling vehicle body 2 Engine 3 Airframe stop operating tool 4 Pressing arm 5 Steering handle 40 Spare seedling table 100 Control device 101 Engine stop device SW Pushbutton switch

Claims (5)

走行車体への非搭乗状態で地上から操作することが可能な機体停止操作具を備えた乗用型作業車であって、前記機体停止操作具をステアリング操作部に備えたことを特徴とする乗用型作業車。   A riding-type work vehicle having a fuselage stop operation tool that can be operated from the ground in a non-boarding state on a traveling vehicle body, characterized in that the fuselage stop operation tool is provided in a steering operation section. Work vehicle. 走行車体への非搭乗状態で地上から操作することが可能な機体停止操作具を備えた乗用型作業車であって、前記機体停止操作具を機体前端部に備えたことを特徴とする乗用型作業車。   A riding-type work vehicle having a fuselage stop operation tool that can be operated from the ground in a non-boarding state on a traveling vehicle body, wherein the rider-type work vehicle includes the fuselage stop operation tool at a front end portion of the fuselage. Work vehicle. 走行車体への非搭乗状態で地上から操作することが可能な機体停止操作具を備えた乗用型作業車であって、前記機体停止操作具を予備苗のせ台部分に備えたことを特徴とする乗用型作業車。   A riding-type work vehicle provided with a machine body stop operating tool that can be operated from the ground in a non-boarding state on a traveling vehicle body, characterized in that the machine body stop operating tool is provided in a reserve seedling part. Passenger work vehicle. 機体停止操作具は予備苗のせ台の前後方向での中間位置よりも機体前方側に配置されている請求項3記載の乗用型作業車。   The riding type work vehicle according to claim 3, wherein the airframe stop operating tool is disposed on the front side of the airframe relative to an intermediate position in the front-rear direction of the reserve seedling platform. 予備苗のせ台は複数の使用形態に形態変更可能に構成してあり、かつ機体停止操作具は、何れの形態においても予備苗のせ台の前後方向での中間位置よりも機体前方側に位置するように配置されている請求項3または4記載の乗用型作業車。
The reserve seedling platform is configured to be changeable to a plurality of usage forms, and the airframe stop operating tool is located on the front side of the aircraft from the intermediate position in the front-rear direction of the preliminary seedling platform in any form. The riding-type work vehicle of Claim 3 or 4 arrange | positioned in this way.
JP2008123841A 2008-05-09 2008-05-09 Passenger work vehicle Expired - Fee Related JP5101390B2 (en)

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Cited By (6)

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CN101897261A (en) * 2010-04-27 2010-12-01 宁波大叶园林设备有限公司 Environment-friendly type (band artificial foot protection and anechoic trap) pushing riding dual-purpose mower
US10477772B2 (en) 2012-10-15 2019-11-19 Chervon (Hk) Limited Gardening tool
US10485169B2 (en) 2012-10-15 2019-11-26 Chervon (Hk) Limited Lawncare apparatus
JP2020099262A (en) * 2018-12-21 2020-07-02 株式会社クボタ Transplanter
JP2020099258A (en) * 2018-12-21 2020-07-02 株式会社クボタ Sulky rice transplanter
US11606900B2 (en) 2012-10-15 2023-03-21 Chervon (Hk) Limited Gardening tool

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JP2005095047A (en) * 2003-09-24 2005-04-14 Kubota Corp Preliminary seedling stand structure for riding type rice transplanter
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Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101897261A (en) * 2010-04-27 2010-12-01 宁波大叶园林设备有限公司 Environment-friendly type (band artificial foot protection and anechoic trap) pushing riding dual-purpose mower
US11252867B2 (en) 2012-10-15 2022-02-22 Chervon (Hk) Limited Safety assembly for a lawncare apparatus
US10485176B2 (en) 2012-10-15 2019-11-26 Chervon (Hk) Limited Lawn care apparatus
US10485169B2 (en) 2012-10-15 2019-11-26 Chervon (Hk) Limited Lawncare apparatus
US10492365B2 (en) 2012-10-15 2019-12-03 Chervon (Hk) Limited Lawncare apparatus
US10524420B2 (en) 2012-10-15 2020-01-07 Chervon (Hk) Limited Lawncare apparatus
US11246262B2 (en) 2012-10-15 2022-02-15 Chervon (Hk) Limited Operation safety assembly for a lawncare apparatus
US10477772B2 (en) 2012-10-15 2019-11-19 Chervon (Hk) Limited Gardening tool
US11606900B2 (en) 2012-10-15 2023-03-21 Chervon (Hk) Limited Gardening tool
JP2020099262A (en) * 2018-12-21 2020-07-02 株式会社クボタ Transplanter
JP2020099258A (en) * 2018-12-21 2020-07-02 株式会社クボタ Sulky rice transplanter
JP7055094B2 (en) 2018-12-21 2022-04-15 株式会社クボタ Porting machine
JP7097804B2 (en) 2018-12-21 2022-07-08 株式会社クボタ Passenger rice transplanter

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