JP5446073B2 - Weeding and spreading work vehicle - Google Patents

Weeding and spreading work vehicle Download PDF

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JP5446073B2
JP5446073B2 JP2007143611A JP2007143611A JP5446073B2 JP 5446073 B2 JP5446073 B2 JP 5446073B2 JP 2007143611 A JP2007143611 A JP 2007143611A JP 2007143611 A JP2007143611 A JP 2007143611A JP 5446073 B2 JP5446073 B2 JP 5446073B2
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weeding
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典弘 矢野
健市 越智
訓 長井
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Iseki and Co Ltd
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Description

この発明は、除草装置及び薬液散布装置を備えた除草散布作業車に関する。   The present invention relates to a weeding and spreading work vehicle including a weeding device and a chemical solution spreading device.

従来、除草散布作業車として、特許文献１に示されているように、カルチロータリによって畝と畝との間の畝間を掘削しながら除草を行い、同時に薬液散布装置によって薬液の散布を行う構成のものが知られ、また、薬液を貯溜するための薬液タンクとして、車体の後部に運転席の左右両側方から後方を取り囲むように形成した平面視コの字型のタンクを配置したものが知られている。
特開２００５−８７０２６号公報 Conventionally, as shown in Patent Document 1, as a weed spraying work vehicle, weeding is carried out while excavating the space between the scissors with a multi-rotary, and at the same time spraying a chemical with a chemical spraying device Also known as a chemical tank for storing chemical liquids is a tank with a U-shaped tank in plan view formed so as to surround the rear from the left and right sides of the driver's seat at the rear of the vehicle body ing.
JP 2005-87026 A

上記従来の除草散布作業車では、薬液タンクが運転席の後方を取り囲むようにコの字型に構成されているので、運転席より後方の視認性が悪く、機体後方での作業状態を確認し難い問題があった。   In the above conventional weed spraying work vehicle, the chemical tank is configured in a U shape so as to surround the rear of the driver's seat, so the visibility behind the driver's seat is poor and the working condition behind the aircraft is confirmed. There was a difficult problem.

本発明の課題は、薬液タンクを配置を工夫することによって上記問題点を解消し、作業能率の向上を図ることにある。   An object of the present invention is to solve the above problems by devising the arrangement of a chemical tank and to improve work efficiency.

この発明は、上記課題を解決すべく次のような技術的手段を講じた。
すなわち、請求項１記載の本発明は、除草装置（７）及び薬液散布装置（８）を備えた除草散布作業車において、車体の後部には運転席（５）の左右両側方に薬剤タンク（９Ｌ），（９Ｒ）を配置して設け、
薬液散布装置（８）は、薬剤タンク（９Ｌ），（９Ｒ）内の薬液を吸い上げるポンプ（１３）と、散布ホース（１４）と、散布ノズル（１５）と、散布ホース（１４）の接続カプラ（２６ｂ）を接続する散布マニホールド（２５）と、圧力計（３８）と、散布マニホールド（２５）及び圧力計（３８）を介して散布ホース（１４）と連通する第１散布経路（３５）と、安全弁（３９）と、第１散布コック（４２）を備え、
除草装置（７）は、左右横方向所定間隔おきに複数配置し、各除草装置（７）毎に散布ホース（１４）及び散布ノズル（１５）を配置する構成とし、
圧力計（３８）及び散布マニホールド（２５）は運転席（５）の後方隣接位置でかつ左右の薬剤タンク（９Ｌ），（９Ｒ）の間に配置すると共に、散布ホース（１４）の接続カプラ（２６ｂ）と接続する散布マニホールド（２５）の接続カプラ（２６ａ）を散布マニホールド（２５）の一方側端部に配置する構成とし、
第１散布経路（３５）と、第１散布コック（４２）と、第１散布経路（３５）より前側に配置する安全弁（３９）を車体の側方で、かつ、一方の薬剤タンク（９Ｒ）の前側に配置し、
第１散布経路（３５）と安全弁（３９）との間に第２散布経路（４０）を設け、第２散布経路（４０）に第２散布コック（４３）を設け、機体外側に向けて配置する第２散布経路（４０）の始端口に多目的散布ホース（４１）を着脱可能に構成したことを特徴とする除草散布作業車とする。 In order to solve the above problems, the present invention has taken the following technical means.
That is, the present invention according to claim 1 is a weed spraying vehicle equipped with a weeding device (7) and a chemical solution spraying device (8). 9L) and (9R) are arranged and provided,
The chemical spraying device (8) is a coupling coupler for the pump (13), the spraying hose (14), the spraying nozzle (15), and the spraying hose (14) for sucking up the chemicals in the chemical tanks (9L) and (9R). A spray manifold (25) for connecting (26b) , a pressure gauge (38), a first spray path (35) communicating with the spray hose (14) via the spray manifold (25) and the pressure gauge (38), A safety valve (39) and a first spray cock (42),
A plurality of weeding devices (7) are arranged at predetermined intervals in the left and right lateral direction, and a spray hose (14) and a spray nozzle (15) are disposed for each weeding device (7).
The pressure gauge (38) and the spray manifold (25) are arranged at a position adjacent to the rear of the driver's seat (5) and between the left and right drug tanks (9L), (9R), and a connecting coupler ( 26b), the connecting coupler (26a) of the spray manifold (25) connected to the spray manifold (25) is arranged at one end of the spray manifold (25) ,
The first spraying path (35), the first spraying cock (42), and the safety valve (39) disposed in front of the first spraying path (35) are located on the side of the vehicle body and on one of the chemical tanks (9R). Placed in front of
A second spraying path (40) is provided between the first spraying path (35) and the safety valve (39), a second spraying cock (43) is provided in the second spraying path (40), and is arranged toward the outside of the machine body. The multipurpose spray hose (41) is configured to be detachable at the start end of the second spray path (40) .

薬液タンク（９Ｌ），（９Ｒ）が運転席（５）の左右両側方に配置されているので、運転席（５）の背部側が後方に大きく開放されているため、運転席後方での除草作業状態や散布作業状態などが容易に確認することができる。   Since the chemical tanks (9L) and (9R) are arranged on the left and right sides of the driver's seat (5), the back side of the driver's seat (5) is greatly opened rearward, so weeding work behind the driver's seat It is possible to easily check the state and the state of spraying work.

以上要するに、請求項１の本発明によれば、薬液タンクは機体中央の運転席に対し左右両側方に配置するので、運転席の後部が後方に大きく開放されているので、運転席後方での除草作業状態や散布作業状態を容易に確認することができて作業能率が向上する。
また、除草散布作業部の着脱時、作業者は機上に乗ったまま、或は運転席５に座ったままでも散布ホース１４の接続、取り外しがワンタッチで簡単容易にできる。
また、第１散布コック４２を閉じ状態にし、第２散布コック４３を開いて多目的散布ホース（洗浄ノズル等）４１を第２散布経路部４０に接続することで、機体や所有車の高圧洗浄など農薬散布とは異なる用途にも利用できる。
また、安全弁３９を第１散布経路３５より前側に配置し、第２散布経路４０の始端口を機体外側に向けて配置したことで、コンパクトで最も合理的な配置構成とすることができる。 In short, according to the first aspect of the present invention, since the chemical tank is disposed on both the left and right sides with respect to the driver seat at the center of the fuselage, the rear portion of the driver seat is greatly opened rearward, The weeding operation state and spraying operation state can be easily confirmed, and the work efficiency is improved.
In addition, when attaching and detaching the weeding spraying unit, the operator can easily connect and remove the spraying hose 14 with one touch even while sitting on the machine or sitting on the driver's seat 5.
Further, the first spray cock 42 is closed, the second spray cock 43 is opened, and the multi-purpose spray hose (washing nozzle or the like) 41 is connected to the second spray path section 40, so that the machine body or the own vehicle is washed at high pressure. It can also be used for purposes different from pesticide spraying.
Further, the safety valve 39 is disposed in front of the first spraying path 35 and the start end port of the second spraying path 40 is disposed toward the outside of the machine body, so that a compact and most rational layout configuration can be obtained .

この発明の実施例を図面に基づき説明する。
図１及び図２に示すように、走行車体１の車体前部のボンネット２内にエンジンＥを搭載し、このエンジンＥの回転動力をミッションケ−ス内の変速装置に伝え、この変速装置で減速された回転動力を前輪３と後輪４とに伝えるようにしている。車体後部側中央には運転席５が、その前方にはステアリングハンドル６が装備されている。 An embodiment of the present invention will be described with reference to the drawings.
As shown in FIGS. 1 and 2, an engine E is mounted in a hood 2 at the front of the vehicle body 1, and the rotational power of the engine E is transmitted to a transmission in the mission case. The reduced rotational power is transmitted to the front wheel 3 and the rear wheel 4. A driver's seat 5 is provided at the center of the rear side of the vehicle body, and a steering handle 6 is provided in front of the driver's seat 5.

走行車体１の進行方向後方側には、左右の作物条列間における畝間に沿って移動し畝間溝部の表土を掘削しながら除草する除草装置（除草作業機）７及び除草装置７の後方位置に薬液を散布する散布ノズル１５を配設している。   On the rear side in the traveling direction of the traveling vehicle body 1, the weeding device (weeding work machine) 7 that moves along the furrows between the left and right crop rows and weeds while excavating the top soil of the furrow grooves is located behind the weeding device 7. A spray nozzle 15 for spraying the chemical solution is provided.

除草装置（除草作業機）７は、チエンケース１６に回転駆動可能に軸架されて左右に突出した伝動軸１７と、伝動軸１７に軸受保持された大小径の異なる左右の盤体１８，１９と、左右の盤体１８，１９間にわたって横方向に連結された除草ロータ（ブレード）２０等からなり、３基の除草装置７，７，７を左右横方向所定間隔おきに配設し、車両の走行に伴い各畝Ｕ，Ｕ，Ｕ間の溝部に沿わせて接地転回移動させながら除草ロータ２０によって掘削し除草する構成としている。また、各除草装置７，７，７は車体に対し昇降機構２１を介して上下に昇降する構成としている。   A weeding device (weeding work machine) 7 includes a transmission shaft 17 that is rotatably mounted on a chain case 16 and protrudes left and right, and left and right plates 18 and 19 that are supported by the transmission shaft 17 and have different large and small diameters. And a weeding rotor (blade) 20 or the like connected laterally between the left and right disc bodies 18 and 19, and three weeding devices 7, 7, and 7 are arranged at predetermined intervals in the left and right lateral direction. With this traveling, the weeding rotor 20 is used for excavating and weeding while grounding and turning along the grooves between the rods U, U, U. Each of the weeding devices 7, 7, 7 is configured to move up and down with respect to the vehicle body via an elevating mechanism 21.

薬液散布装置８は、薬液を収容する薬液タンク９、タンク内の薬液を吸い上げて散布ノズルから噴出するポンプ１３、散布ホース１４及び散布ノズル１５等からなる。
薬液タンク９は、車体後部側中央に設置された運転席５の左右両側に配置するサイドタンク９Ｌ，９Ｒとボンネット２の前部に配置するフロントタンク９Ｆとからなり、左右のサイドタンク９Ｌ，９Ｒによって機体の左右バランスを保持し、前後のフロントタンク９Ｆとサイドタンク９Ｌ，９Ｒとによって機体の前後バランスを保持するように構成している。 The chemical solution spraying device 8 includes a chemical solution tank 9 that stores the chemical solution, a pump 13 that sucks up the chemical solution in the tank and ejects it from the spray nozzle, a spray hose 14, a spray nozzle 15, and the like.
The chemical tank 9 includes side tanks 9L and 9R arranged on the left and right sides of the driver's seat 5 installed at the center of the rear part of the vehicle body, and a front tank 9F arranged on the front of the bonnet 2, and the left and right side tanks 9L and 9R. Is used to maintain the left-right balance of the machine body, and the front-rear front tank 9F and the side tanks 9L, 9R are used to hold the front-rear balance of the machine body.

また、左右のサイドタンク９Ｌ，９Ｒはそれぞれ、後輪４の内側で、乗降ステップ１２の後側から後輪４の車軸４ａまでにかけて前後方向オーバーラップするよう配置する構成とし、運転席５の左右両側に隣接して設けている。そのため、左右のサイドタンク９Ｌ，９Ｒにそれぞれ設けている蓋ｈの着脱を運転席５から行なうことができる。   The left and right side tanks 9L and 9R are arranged so as to overlap in the front-rear direction from the rear side of the getting-on / off step 12 to the axle 4a of the rear wheel 4 inside the rear wheel 4, respectively. Adjacent to both sides. Therefore, the lid h provided on each of the left and right side tanks 9L and 9R can be attached and detached from the driver seat 5.

左右のサイドタンク９Ｌ，９Ｒ間及び前後のフロントタンク９Ｆとサイドタンク９Ｌ（又は９Ｒ）間はホース１０，１０によって流通可能に連通してある。そして、少なくとも、この前後のタンクを連通するホース１０は、ステップフロア１１面より下方で、且つ乗降ステップ１２よりも下方位置に配管して、オペレータのステップフロア上への乗り降りやステップフロア上での運転操作に支障をきたさないように配置構成している。   Between the left and right side tanks 9L and 9R and between the front and rear front tanks 9F and the side tank 9L (or 9R), the hoses 10 and 10 communicate with each other. At least the hose 10 that communicates with the front and rear tanks is piped below the step floor 11 surface and below the getting-on / off step 12 so that the operator can get on and off the step floor or on the step floor. It is arranged and configured so as not to hinder driving operations.

図４に示すように、散布マニホールド２５は、運転席５の後方の隣接位置で、かつ、左右のサイドタンク９Ｌ，９Ｒの間に設けてあり、この散布マニホールド２５の一方側端部には散布ホース１４の接続カプラ２６ｂを接続する接続カプラ２６ａを集中的に配置して設け、除草散布作業部の着脱時、作業者は機上に乗ったまま、或は運転席５に座ったままでも散布ホース１４の接続、取り外しがワンタッチで簡単容易にできる構成としている。   As shown in FIG. 4, the spray manifold 25 is provided at a position adjacent to the rear of the driver's seat 5 and between the left and right side tanks 9 </ b> L and 9 </ b> R. Connection couplers 26a for connecting the connection couplers 26b of the hose 14 are provided in a concentrated manner, and when attaching or removing the weeding and spraying work unit, the worker can spread while sitting on the machine or sitting on the driver's seat 5. The hose 14 can be easily connected and detached with one touch.

また、散布ホース１４の途中部には、数本の散布ホースをまとめて支持する支持パイプ２７と支持ホルダ２８を設け、散布ホースを高い位置に支持することで、作業部セット時、作業者は機体上に乗ったまま散布ホースの接続ができ、全てのセット部を乗ったままワンタッチで行えるようになる。   In addition, a support pipe 27 and a support holder 28 for supporting several spray hoses collectively are provided in the middle of the spray hose 14, and by supporting the spray hose at a high position, The spray hose can be connected while riding on the aircraft, and all set parts can be connected with one touch.

更に、前記支持パイプ２７は支持ホルダ２８に対し摺動自在とし、且つ、支持パイプ２７に対する支持ホルダ２８の支持位置は、図５に示すように、Ｌ１の距離だけ余裕をもって支持するように構成することで、図６に示すように、作業部を上方に高く上昇させてもＬ２の距離間を残して支持することができ、散布ホースの極端な湾曲を防止することができる。   Further, the support pipe 27 is slidable with respect to the support holder 28, and the support position of the support holder 28 with respect to the support pipe 27 is configured to be supported with a margin of a distance L1, as shown in FIG. Thus, as shown in FIG. 6, even if the working unit is raised upward, it can be supported with a distance of L2 remaining, and extreme bending of the spray hose can be prevented.

左右横方向に架設された除草作業機７のメインガイドフレーム３０には、支持ブラケット３１が左右スライド可能に装着されており、この支持ブラケット３１から後方に延びる水平ステー３２と、この水平ステーの後端から下方に垂下する鉛直ステー３３を介して前記散布ノズル１５部を支持する構成としている。チエンケース１６等の除草ロータ部に散布ノズルを支持するように構成すると、除草ロータ部は、作業時に駆動軸２２を回動支点として上下回動を繰り返すので、これらの振動及び反力により散布ノズル部の破損を招くことがあるが、上記メインガイドフレームからの固定部より支持することで、かかる問題点を解消することができる。   A support bracket 31 is slidably mounted on the main guide frame 30 of the weeding work machine 7 installed in the left-right lateral direction, and a horizontal stay 32 extending rearward from the support bracket 31 and a rear end of the horizontal stay. The spray nozzle 15 is supported through a vertical stay 33 that hangs downward from the end. If the spray nozzle is supported by the weeding rotor portion such as the chain case 16, the weeding rotor portion repeatedly rotates up and down with the drive shaft 22 as a rotation fulcrum during operation. However, such a problem can be solved by supporting the fixed portion from the main guide frame.

図７において、３６はポンプ１３と薬液タンク９を連通する吸水ホース、３７はポンプ１３と第１散布経路（管）３５に連通する吐水ホース、第１散布経路３５は、圧力計３８、散布マニホールド２５を介して前記散布ホース１４に連通している。また、前記第１散布経路３５と安全弁３９との間には第２散布経路（管）４０を設けてあり、第１散布経路３５への第１散布コック４２を閉じ状態にし、第２散布コック４３を開いて多目的散布ホース（洗浄ノズル等）４１などを第２散布経路部４０に接続することで、機体や所有車の高圧洗浄など農薬散布とは異なる用途にも利用できるように構成している。 In FIG. 7, 36 is a water absorption hose that communicates between the pump 13 and the chemical tank 9, 37 is a water discharge hose that communicates with the pump 13 and the first spraying path (pipe) 35, and a first spraying path 35 includes a pressure gauge 38 and a spraying manifold. 25 and communicates with the spray hose 14. Further, a second spraying path (tube) 40 is provided between the first spraying path 35 and the safety valve 39, and the first spraying cock 42 to the first spraying path 35 is closed, and the second spraying cock 42 is closed. By opening 43 and connecting a multi-purpose spray hose (cleaning nozzle, etc.) 41 etc. to the second spray path section 40, it can be used for purposes other than spraying pesticides such as high-pressure cleaning of the aircraft and owned vehicles. Yes.

なお、前記安全弁３９を機体進行方向側最前部に位置させ、吐水始端口側へ吐水終端口を設けると共に、第２散布経路始端口は機体外方向きに位置させ、また、第１散布経路始端口を最後端部に位置させることにより、コンパクトで最も合理的な配置構成とすることができる。   The safety valve 39 is positioned at the foremost part on the aircraft traveling direction side, a water discharge end port is provided on the water discharge start end side, the second spray path start end port is positioned outward of the machine body, and the first spray path start By positioning the end opening at the rearmost end, a compact and most rational arrangement can be achieved.

図８及び図９に示すように、除草散布作業車の本機側には、コントローラ４５を設置し、このコントローラに内蔵した上下入切スイッチ４６に、スプリング４７及びチエン４８を連結し、該チエンの一端を除草散布作業機側に配置する構成とし、作業機上昇でポンプ１３への電磁クラッチ４９を切りとし、下降では電磁クラッチ入りとするよう昇降装置の動きに連動してポンプの作動を入り切りする構成としている。これによれば、機体の枕地旋回時等においては散布入切スイッチ５０を操作する必要がなくなるので操作負荷が軽減する。   As shown in FIGS. 8 and 9, a controller 45 is installed on the main body side of the weeding and spreading work vehicle, and a spring 47 and a chain 48 are connected to an up / down on / off switch 46 built in the controller. One end of the pump is arranged on the weed spraying work machine side, and when the work machine is raised, the electromagnetic clutch 49 to the pump 13 is turned off, and when lowered, the pump operation is turned on and off in conjunction with the movement of the lifting device. It is configured to do. According to this, since it is not necessary to operate the spray on / off switch 50 at the time of turning the headland of the machine body, the operation load is reduced.

また、前記図７に示す構成例において、薬液タンク９Ｒと運転席５との間の操作のし易い位置に、作業機を昇降制御する昇降レバー５１や自動水平制御用シリンダ５２を制御する自動水平制御用コントローラボックス５３などが配置されている。   Further, in the configuration example shown in FIG. 7, the automatic horizontal control for controlling the lifting lever 51 and the automatic horizontal control cylinder 52 for controlling the lifting and lowering of the working machine at a position where the operation between the chemical tank 9 </ b> R and the driver's seat 5 is easy. A control controller box 53 and the like are arranged.

次に、除草作業機の他の実施例について説明する。
図１０、図１１において、除草ロータ２０の後方には、接地移動する転動自在のゲージ輪５５が設けられている。そして、このゲージ輪５５は、側面視でロータの回転軌跡とラップするように配置され、ロータで切断された草の巻き上げを防止する構成としている。また、除草ロータ２０の内周側にはチエンケース１６側に向けて膨出する膨出部２０ａを設けてチエンケースとの隙間を少なくし、草の巻き付きを防止するようにしている。 Next, another embodiment of the weeding machine will be described.
10 and 11, a rollable gauge wheel 55 that moves to the ground is provided behind the weeding rotor 20. And this gauge ring | wheel 55 is arrange | positioned so that it may overlap with the rotational locus of a rotor by a side view, and is set as the structure which prevents winding of the grass cut | disconnected by the rotor. Further, a bulging portion 20a that bulges toward the chain case 16 side is provided on the inner peripheral side of the weeding rotor 20 so as to reduce a gap with the chain case and prevent the grass from being wound.

また、図１２及び図１３に示すように、除草ロータ２０の回転刃２０ｃを斜めに配置（回転方向に対して外端側が内端側より後退角を保持する）ことで、掘削抵抗を軽減でき、掘削される草が順次外側に向けて寄せられ、チエンケース側への草の巻き込みを防止することができる。更に、回転刃２０ｃの背部に土寄せ板２０ｄを設けておくと、外側への土寄せ効果がより発揮でき、削られた畝を元の形に戻す効果がある。   Moreover, as shown in FIG.12 and FIG.13, excavation resistance can be reduced by arrange | positioning the rotary blade 20c of the weeding rotor 20 diagonally (an outer end side hold | maintains a receding angle from an inner end side with respect to a rotation direction). Then, the grass to be excavated is brought toward the outside sequentially, and it is possible to prevent the grass from being caught on the chain case side. Furthermore, if the earthing board 20d is provided on the back part of the rotary blade 20c, the earthing effect to the outside can be more exerted, and there is an effect of returning the shaved ridge to its original shape.

図１４に示す実施例では、除草ロータ２０の前方に鎮圧ローラ５６を設けたもので、これによると、ローラが草を押さえこんで固定することができるので、長い草がロータ軸内に進入しにくく、草の切断も容易にできる。   In the embodiment shown in FIG. 14, a pressure reducing roller 56 is provided in front of the weeding rotor 20, and according to this, since the roller can hold down and fix the grass, the long grass enters the rotor shaft. It is difficult to cut grass.

除草散布作業車の側面図Side view of a weeding and spreading work vehicle 同上平面図Same as above 同上背面図Same as above 除草散布作業機を取り外した場合の除草散布作業車の平面図Top view of the weed spraying machine when the weed spreading machine is removed 除草散布作業車の要部の側面図Side view of the main parts of a weed spraying work vehicle 除草散布作業車の側面図Side view of a weeding and spreading work vehicle 同上要部の平面図Top view of the main part 除草散布作業車の側面図Side view of a weeding and spreading work vehicle 制御ブロック回路図Control block circuit diagram 別実施例の除草作業車要部の側面図Side view of main part of weeding work vehicle of another embodiment 同上要部の背面図Rear view of the main part 除草作業機の側面図Side view of weeding machine 同上背面図Same as above 別実施例の除草作業車要部の側面図Side view of main part of weeding work vehicle of another embodiment

１ 走行車体 ５ 運転席
７ 除草装置 ８ 薬液散布装置
９ 薬液タンク ９Ｌ 左サイドタンク
９Ｒ 右サイドタンク ９Ｆ フロントタンク
１０ ホース １１ ステップフロア DESCRIPTION OF SYMBOLS 1 Traveling vehicle body 5 Driver's seat 7 Weeding device 8 Chemical solution spraying device 9 Chemical solution tank 9L Left side tank 9R Right side tank 9F Front tank 10 Hose 11 Step floor

Claims (1)

除草装置（７）及び薬液散布装置（８）を備えた除草散布作業車において、車体の後部には運転席（５）の左右両側方に薬剤タンク（９Ｌ），（９Ｒ）を配置して設け、
薬液散布装置（８）は、薬剤タンク（９Ｌ），（９Ｒ）内の薬液を吸い上げるポンプ（１３）と、散布ホース（１４）と、散布ノズル（１５）と、散布ホース（１４）の接続カプラ（２６ｂ）を接続する散布マニホールド（２５）と、圧力計（３８）と、散布マニホールド（２５）及び圧力計（３８）を介して散布ホース（１４）と連通する第１散布経路（３５）と、安全弁（３９）と、第１散布コック（４２）を備え、
除草装置（７）は、左右横方向所定間隔おきに複数配置し、各除草装置（７）毎に散布ホース（１４）及び散布ノズル（１５）を配置する構成とし、
圧力計（３８）及び散布マニホールド（２５）は運転席（５）の後方隣接位置でかつ左右の薬剤タンク（９Ｌ），（９Ｒ）の間に配置すると共に、散布ホース（１４）の接続カプラ（２６ｂ）と接続する散布マニホールド（２５）の接続カプラ（２６ａ）を散布マニホールド（２５）の一方側端部に配置する構成とし、
第１散布経路（３５）と、第１散布コック（４２）と、第１散布経路（３５）より前側に配置する安全弁（３９）を車体の側方で、かつ、一方の薬剤タンク（９Ｒ）の前側に配置し、
第１散布経路（３５）と安全弁（３９）との間に第２散布経路（４０）を設け、第２散布経路（４０）に第２散布コック（４３）を設け、機体外側に向けて配置する第２散布経路（４０）の始端口に多目的散布ホース（４１）を着脱可能に構成したことを特徴とする除草散布作業車。 In the weed spraying work vehicle equipped with the weeding device (7) and the chemical solution spraying device (8), the chemical tanks (9L) and (9R) are provided on the left and right sides of the driver seat (5) at the rear of the vehicle body. ,
The chemical spraying device (8) is a coupling coupler for the pump (13), the spraying hose (14), the spraying nozzle (15), and the spraying hose (14) for sucking up the chemicals in the chemical tanks (9L) and (9R). A spray manifold (25) for connecting (26b) , a pressure gauge (38), a first spray path (35) communicating with the spray hose (14) via the spray manifold (25) and the pressure gauge (38), A safety valve (39) and a first spray cock (42),
A plurality of weeding devices (7) are arranged at predetermined intervals in the left and right lateral direction, and a spray hose (14) and a spray nozzle (15) are disposed for each weeding device (7).
The pressure gauge (38) and the spray manifold (25) are arranged at a position adjacent to the rear of the driver's seat (5) and between the left and right drug tanks (9L), (9R), and a connecting coupler ( 26b), the connecting coupler (26a) of the spray manifold (25) connected to the spray manifold (25) is arranged at one end of the spray manifold (25) ,
The first spraying path (35), the first spraying cock (42), and the safety valve (39) disposed in front of the first spraying path (35) are located on the side of the vehicle body and on one of the chemical tanks (9R). Placed in front of
A second spraying path (40) is provided between the first spraying path (35) and the safety valve (39), a second spraying cock (43) is provided in the second spraying path (40), and is arranged toward the outside of the machine body. A multipurpose spray hose (41) is configured to be detachable at the start end of the second spray path (40) .
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