JPH0441971B2

JPH0441971B2 -

Info

Publication number: JPH0441971B2
Application number: JP9751885A
Authority: JP
Inventors: Toshiaki Matsumoto; Toshihiko Akyama; Seigo Fujimoto
Original assignee: Mitsubishi Agricultural Machinery Co Ltd
Current assignee: Mitsubishi Agricultural Machinery Co Ltd
Priority date: 1985-05-08
Filing date: 1985-05-08
Publication date: 1992-07-10
Also published as: JPS61257108A

Description

[Detailed description of the invention]

（産業上の利用分野）本発明は水田用深層施肥装置に係るものであ
る。（従来技術）従来肥料タンクと肥料繰出ポンプと施肥ノズル
などを有する施肥部を走行車体に一体的に取付け
た水田用深層施肥装置は公知である。（発明が解決しようとする問題点）前記公知のものは、走行車体に施肥部の各部材
を一つずつ組付けた構造のため製造が面倒であつ
た。（問題点を解決するための手段）よつて本発明は、肥料タンク１７と肥料繰出ポ
ンプ１８と施肥ノズル１９などを左右対称に一体
的に組付けた後面視略〓状の独立施肥部１６と、
該独立施肥部１６の左右中間に前記独立施肥部１
６に側面視で横一軸回りで着脱自在に結合される
歩行操縦ハンドル７とエンジン６付き走行車体１
とからなる水田用深層施肥装置としたものであ
る。（実施例）（走行車体の構成）本発明の一実施例を図により説明すると、１は
施肥装置の走行車体であり、前後方向の走行フレ
ーム２，２を左右側に並設し、該走行フレーム
２，２のそれぞれの下部には下方に突出する支脚
３，３を形成し、支脚３，３には駆動車輪４を軸
５により軸装する。走行フレーム２，２の前側上部には駆動車輪４
のみ回転させるエンジン６を搭載し、後端部には
走行操縦ハンドル７を設けて前後のバランスを取
る。８は燃料タンク、９はエンジン６の回転をミ
ツシヨン１０に伝達するスプロケツト及びチエン
を内蔵する伝動ケース、１１はミツシヨン１０か
ら前記駆動車輪４に回転を伝える伝動ケースであ
る。走行車体１の支脚３，３の外側部には外方に突
出する係合軸１２，１２を設ける。走行フレーム
２，２の後部には軸受板１３を設け、軸受板１３
には走行フレーム２より内側に突出する左右方向
の係合軸１４を摺動自在に軸着する。１５は係合
軸１４を摺動させる操作レバーである。（独立施肥部の構成）１６は走行車体１に着脱自在に取付ける独立施
肥部である。独立施肥部１６は、肥料タンク１
７、肥料繰出ポンプ１８、施肥ノズル１９等をそ
れぞれ有する左施肥部２０ａと右施肥部２０ｂを
左右両側に設けて全体を後面支略〓状に形成し、
前記走行車体１に上方から左施肥部２０ａと右施
肥部２０ｂの間を嵌合載置できるように形成す
る。２１，２１は走行車体１が間に入る間隔をおい
て並設された横杆であり、それぞれの横杆２１の
外側部には前記肥料タンク１７，１７を取付け
る。横杆２１，２１の後端部は左右方向の連結杆
２２により固着され、左施肥部２０ａと右施肥部
２０ｂとを連結する。前記連結杆２２の両端には縦方向の伝動筺２
３，２３を上端部を固着し、伝動筺２３，２３の
外側面には肥料繰出ポンプ１８，１８をそれぞれ
設ける。肥料繰出ポンプ１８，１８の前側に前記
肥料タンク１７，１７を接続し、後側に施肥ノズ
ル１９，１９を接続した送肥パイプ２４，２４を
取付ける。伝動筺２３，２３の下端部には前記肥料繰出ポ
ンプ１８，１８を駆動させる接地輪２５，２５を
それぞれ設ける。各接地輪２５は各伝動筺２３を
挾んで左右両側にそれぞれ設けられ、その中心軸
２６を伝動筺２３に軸着する。各伝動筺２３は中空に形成され、下端に設けた
接地輪２５の中心軸２６にはスプロケツト２７が
固着される。前記連結杆２２は第４図のように中空に形成さ
れ、内部には回転軸２８が挿通され、該回転軸２
８の左右側にはそれぞれスプロケツト２９，２９
を固着し、該スプロケツト２９にそれぞれと前記
スプロケツト２７それぞれとにチエン３０をそれ
ぞれ巻回する。前記回転軸２８の左右両端は肥料
繰出ポンプ１８，１８に連結されて、肥料繰出ポ
ンプ１８，１８を作動させる。しかして、前記横杆２１，２１の前側には〓型
の結合杆３１を設け、左の横杆２１と右の横杆２
１とを連結して、左施肥部２０ａと右施肥部２０
ｂとを結合させる。結合杆３１のそれぞれの下端
部には前後方向に二跨の二跨部３２を設け、二跨
部３２を前記走行車体１の支脚３，３の設けられ
た係合軸１２，１２に上部から係合させ、それぞ
れピン３３，３３により回動自在に止着し、独立
施肥部１６を走行車体１に取付ける。施肥前記連結杆２２には係合板３４を設ける。
係合板３４は垂直板で走行車体１と平行に形成
し、係合板３４には左右方向の係合孔３５を上下
に縦設する。状態のときは独立施肥部１６は走行車体１に対
し水平に位置するようにするため、上側の係合孔
３５に走行車体１の係合軸１４を係合させ、独立
施肥部１６を上動させるとき下側の係合孔３５に
係合軸１４を係合させる。即ち、肥料繰出ポンプ
１８は接地輪２５の回転力により駆動するので、
接地輪２５等の独立施肥部１４の後部を圃場より
離し、肥料の繰出しを停止させ、この状態で走行
車体１を旋回させる。３６は各施肥ノズル１９の
前方に設けられた作溝刃、３７は作溝刃３４の前
方に設けられた回転刃、３８は橇体である。（作用）次に作用を述べる。独立施肥部１６は、横杆２１と結合杆３１と連
結杆２２で形成されているフレームに肥料タンク
１７と肥料繰出ポンプ１８と施肥ノズル１９等を
それぞれ組付けて一体的に形成する。前記独立施肥部１６は全体を後面視略〓状に形
成されているから、左施肥部２０ａと右施肥部２
０ｂの間に別途形成した走行車体１が位置するよ
うに、任意の方法で固定してある走行車体１に上
方から左施肥部２０ａと右施肥部２０ｂの間を嵌
合させる。そこで、左施肥部２０ａと右施肥部２０ｂを結
合している結合杆３１の下部の二跨部３２，３２
を、走行車体１の支脚３，３の外側面に設けた係
合軸１２，１２に係合させて、ピン３３により止
着する。その後は、操作レバー１５を操作して走
行車体１の係合軸１４を独立施肥部１６の係合板
３４の係合孔３５に係合させ、走行車体１に独立
施肥部１６の取付けが完了するのである。したがつて、独立施肥部１６は、係合軸１２，
１２に二跨部３２，３２を係合させ、操作レバー
１５を操作して走行車体１の係合軸１４を独立施
肥部１６の係合板３４の係合孔３５に係合させる
だけで簡単に走行車体に取付けることができる。しかして、エンジン６を始動させ、歩行操縦ハ
ンドル７を支えながら、前進すると、接地輪２
５，２５が回転し、接地輪２５，２５の回転は、 →中心軸２６，２６→スプロケツト２７，２７
→チエン３０，３０→スプロケツト２９，２９→
回転軸２８と伝達され、肥料繰出ポンプ１８，１８を作動さ
せ、肥料タンク１７，１７内の肥料は肥料繰出ポ
ンプ１８，１８により肥料タンク１７，１７から
送肥パイプ２４，２４を通つて施肥ノズル１９，
１９に送肥され、回転刃３７，３７と作溝刃３
６，３６により土中深く形成された条溝内に施肥
する。施肥作業終了後は、係合軸１２，１２から二跨
部３２，３２を外し、操作レバー１５を操作して
走行車体１の係合軸１４を独立施肥部１６の係合
板３４の係合孔３５から外すと、簡単に走行車体
１から独立施肥部１６を外せるから、走行車体１
を他の用途に使用できる。（効果）前記のとおり、従来肥料ポンプと肥料繰出ポン
プと施肥ノズルなどを有する施肥部を走行車体に
一体的に取付けた水田用深層施肥装置は公知であ
る。前記公知のものは、走行車体に施肥部の各部
材を一つずつ組付けた構造のため製造が面倒であ
つた。しかるに本発明は、肥料タンク１７と肥料繰出
ポンプ１８と施肥ノズル１９などを左右対称に一
体的に組付けた後面視略〓状の独立施肥部１６
と、該独立施肥部１６の左右中間に前記独立施肥
部１６に側面視で横一軸回りで着脱自在に結合さ
れる歩行操縦ハンドル７とエンジン６付き走行車
体１とからなる水田用深層施肥装置としたもので
あるから、イ独立施肥部１６と走行車体１はそれぞれ別々
のラインで生産できるので、製造が容易であ
る。ロまた、独立施肥部１６と走行車体１はそれぞ
れ別々に独立して存在するから、梱包も容易で
あるばかりでなく、輸送を容易である。ハまた、独立施肥部１６の左右中間に前記独立
施肥部１６に側面視で横一軸回りで着脱自在に
結合される歩行操縦ハンドル７とエンジン６付
き走行車体１とからなる構成としたから、現地
での組立て解体も頗る容易である。ニまた、該独立施肥部１６の左右中間に前記独
立施肥部１６に側面視で横一軸回りで着脱自在
に結合される歩行操縦ハンドル７とエンジン６
付き走行車体１とからなる構成としたから、作
業終了後の格納も容易である。という効果を奏する。 (Industrial Application Field) The present invention relates to a deep fertilization device for paddy fields. (Prior Art) A deep fertilization device for paddy fields is known in which a fertilization section having a fertilizer tank, a fertilizer delivery pump, a fertilization nozzle, etc. is integrally attached to a traveling vehicle body. (Problems to be Solved by the Invention) The above-mentioned known structure was troublesome to manufacture because each member of the fertilization section was assembled one by one to the traveling vehicle body. (Means for Solving the Problems) Therefore, the present invention provides an independent fertilization section 16 which is substantially square-shaped in rear view, in which a fertilizer tank 17, a fertilizer delivery pump 18, a fertilization nozzle 19, etc. are integrally assembled symmetrically. ,
The independent fertilization section 1 is located between the left and right sides of the independent fertilization section 16.
A walking steering handle 7 and a traveling vehicle body 1 with an engine 6 are detachably connected to the vehicle body 6 around one horizontal axis when viewed from the side.
This is a deep fertilization device for paddy fields consisting of: (Example) (Configuration of traveling vehicle body) An embodiment of the present invention will be described with reference to the drawings. Reference numeral 1 is a traveling vehicle body of a fertilization device, in which running frames 2, 2 in the front and rear direction are arranged side by side on the left and right sides, and the traveling vehicle body is Support legs 3, 3 projecting downward are formed at the bottom of each of the frames 2, 2, and a driving wheel 4 is mounted on the support legs 3, 3 via a shaft 5. Drive wheels 4 are mounted on the front upper part of the running frames 2, 2.
It is equipped with an engine 6 that only rotates the vehicle, and a travel control handle 7 is provided at the rear end to maintain the balance between the front and rear. 8 is a fuel tank; 9 is a transmission case containing a sprocket and chain for transmitting the rotation of the engine 6 to the transmission 10; and 11 is a transmission case for transmitting rotation from the transmission 10 to the driving wheels 4. Engagement shafts 12, 12 projecting outward are provided on the outer sides of the supporting legs 3, 3 of the traveling vehicle body 1. A bearing plate 13 is provided at the rear of the traveling frames 2, 2, and the bearing plate 13
A left-right engaging shaft 14 projecting inward from the traveling frame 2 is slidably attached to the shaft. Reference numeral 15 denotes an operating lever for sliding the engagement shaft 14. (Configuration of Independent Fertilizer Application Section) Reference numeral 16 denotes an independent fertilization section that is detachably attached to the traveling vehicle body 1. The independent fertilization section 16 includes a fertilizer tank 1
7. A left fertilizing part 20a and a right fertilizing part 20b each having a fertilizer delivery pump 18, a fertilizing nozzle 19, etc. are provided on both left and right sides, and the whole is formed into a rear support shape,
The left fertilizing part 20a and the right fertilizing part 20b are formed so that they can be fitted and placed on the traveling vehicle body 1 from above. Reference numerals 21 and 21 indicate horizontal bars arranged side by side with an interval between them, and the fertilizer tanks 17 are attached to the outer side of each horizontal bar 21. The rear end portions of the horizontal rods 21, 21 are fixed by a connecting rod 22 in the left-right direction, and connect the left fertilizing section 20a and the right fertilizing section 20b. A vertical transmission box 2 is provided at both ends of the connecting rod 22.
3 and 23 are fixed at their upper ends, and fertilizer feeding pumps 18 and 18 are provided on the outer surfaces of the transmission boxes 23 and 23, respectively. The fertilizer tanks 17, 17 are connected to the front sides of the fertilizer delivery pumps 18, 18, and the fertilization pipes 24, 24 to which the fertilization nozzles 19, 19 are connected are attached to the rear sides. Ground wheels 25, 25 for driving the fertilizer delivery pumps 18, 18 are provided at the lower ends of the transmission casings 23, 23, respectively. Each grounding ring 25 is provided on both left and right sides sandwiching each transmission housing 23 , and its center shaft 26 is pivotally attached to the transmission housing 23 . Each transmission housing 23 is formed hollow, and a sprocket 27 is fixed to a central shaft 26 of a grounding ring 25 provided at the lower end. The connecting rod 22 is formed hollow as shown in FIG. 4, and a rotating shaft 28 is inserted inside the connecting rod 22.
There are sprockets 29 and 29 on the left and right sides of 8, respectively.
The chain 30 is wound around the sprocket 29 and the sprocket 27, respectively. Both left and right ends of the rotary shaft 28 are connected to the fertilizer delivery pumps 18, 18 to operate the fertilizer delivery pumps 18, 18. Therefore, a cross-shaped connecting rod 31 is provided on the front side of the horizontal rods 21, 21, and the left horizontal rod 21 and the right horizontal rod 2
1 are connected to form a left fertilizing section 20a and a right fertilizing section 20.
Combine b. Two straddle portions 32 are provided at the lower end of each of the coupling rods 31 in the front-rear direction, and the two straddle portions 32 are connected from above to the engagement shafts 12, 12 on which the support legs 3, 3 of the traveling vehicle body 1 are provided. The independent fertilizing section 16 is attached to the traveling vehicle body 1 by being engaged and rotatably fixed by pins 33, 33, respectively. An engaging plate 34 is provided on the connecting rod 22 for fertilization.
The engagement plate 34 is a vertical plate and is formed parallel to the traveling vehicle body 1, and the engagement plate 34 has engagement holes 35 vertically arranged in the left and right direction. In order to position the independent fertilizing section 16 horizontally with respect to the traveling vehicle body 1 in this state, the engagement shaft 14 of the traveling vehicle body 1 is engaged with the upper engagement hole 35, and the independent fertilizing section 16 is moved upwardly. When doing so, the engagement shaft 14 is engaged with the engagement hole 35 on the lower side. That is, since the fertilizer feeding pump 18 is driven by the rotational force of the grounding wheel 25,
The rear part of the independent fertilizing part 14 such as the grounding wheel 25 is moved away from the field, the feeding of fertilizer is stopped, and the traveling vehicle body 1 is turned in this state. 36 is a groove cutting blade provided in front of each fertilizing nozzle 19, 37 is a rotary blade provided in front of the groove cutting blade 34, and 38 is a sled body. (Effect) Next, the effect will be described. The independent fertilization section 16 is integrally formed by assembling a fertilizer tank 17, a fertilizer delivery pump 18, a fertilization nozzle 19, etc. to a frame formed by a horizontal rod 21, a connecting rod 31, and a connecting rod 22, respectively. Since the independent fertilizing section 16 is formed in a substantially rectangular shape as a whole when viewed from the rear, the left fertilizing section 20a and the right fertilizing section 2
The left fertilizing part 20a and the right fertilizing part 20b are fitted from above to the traveling vehicle body 1 fixed by an arbitrary method so that the separately formed traveling vehicle body 1 is located between the left fertilizing part 20a and the right fertilizing part 20b. Therefore, the two straddle parts 32, 32 at the bottom of the connecting rod 31 that connects the left fertilizer application part 20a and the right fertilizer application part 20b
are engaged with the engagement shafts 12, 12 provided on the outer surfaces of the support legs 3, 3 of the traveling vehicle body 1, and fixed by pins 33. Thereafter, the operating lever 15 is operated to engage the engagement shaft 14 of the traveling vehicle body 1 with the engagement hole 35 of the engagement plate 34 of the independent fertilizing section 16, and the installation of the independent fertilizing section 16 to the traveling vehicle body 1 is completed. It is. Therefore, the independent fertilization section 16 has the engagement shaft 12,
12 with the two-straddle parts 32, 32, and operate the operating lever 15 to engage the engagement shaft 14 of the traveling vehicle body 1 with the engagement hole 35 of the engagement plate 34 of the independent fertilization part 16. Can be installed on the vehicle body. When the engine 6 is started and the walking steering wheel 7 is supported while moving forward, the ground contact wheel 2
5, 25 rotate, and the rotation of the ground wheels 25, 25 is as follows: → Central shaft 26, 26 → Sprocket 27, 27
→ Chain 30, 30 → Sprocket 29, 29 →
The fertilizer in the fertilizer tanks 17, 17 is transferred from the fertilizer tanks 17, 17 through the fertilizer delivery pipes 24, 24 to the fertilizing nozzle by the fertilizer delivery pumps 18, 18. 19,
Fertilizer is sent to the rotary blades 37, 37 and the groove cutting blade 3.
Fertilize the grooves formed deep into the soil by steps 6 and 36. After the fertilization work is completed, remove the two-straddle parts 32, 32 from the engagement shafts 12, 12, operate the operating lever 15, and insert the engagement shaft 14 of the traveling vehicle body 1 into the engagement hole of the engagement plate 34 of the independent fertilization part 16. 35, the independent fertilization part 16 can be easily removed from the traveling vehicle body 1.
can be used for other purposes. (Effects) As described above, a deep fertilization device for paddy fields is known in which a fertilization unit including a fertilizer pump, a fertilizer delivery pump, a fertilization nozzle, etc. is integrally attached to a traveling vehicle body. The above-mentioned known structure was troublesome to manufacture because each member of the fertilizing section was assembled one by one to the traveling vehicle body. However, the present invention provides an independent fertilization section 16 that is approximately square-shaped when viewed from the rear, in which a fertilizer tank 17, a fertilizer delivery pump 18, a fertilization nozzle 19, etc. are integrally assembled symmetrically.
and a deep fertilization device for paddy fields, which comprises a walking steering handle 7 and a traveling vehicle body 1 with an engine 6, which are detachably connected to the independent fertilizing section 16 around a horizontal axis in a side view, at the left and right middle of the independent fertilizing section 16. (a) Since the independent fertilization section 16 and the traveling vehicle body 1 can be produced on separate lines, manufacturing is easy. (b) Furthermore, since the independent fertilization section 16 and the traveling vehicle body 1 exist separately and independently, they are not only easy to pack but also easy to transport. C. Furthermore, since the construction is made up of a walking steering handle 7 and a traveling vehicle body 1 with an engine 6, which are detachably connected to the independent fertilizing section 16 around one horizontal axis in a side view, and a traveling vehicle body 1 with an engine 6, the independent fertilizing section 16 is arranged between the left and right sides of the independent fertilizing section 16. It is also extremely easy to assemble and disassemble. (D) Also, a walking control handle 7 and an engine 6 are detachably connected to the independent fertilizing section 16 at the left and right intermediate positions of the independent fertilizing section 16 around one horizontal axis when viewed from the side.
Since the structure is made up of a traveling vehicle body 1, it is easy to store the vehicle after work is completed. This effect is achieved.

[Brief explanation of drawings]

第１図は装置全体の側面図、第２図は装置全体
の平面図、第３図は独立施肥部と走行車体の組立
状態図、第４図は縦断面図。符号の説明、１……走行車体、２……走行フレ
ーム、３……支脚、４……駆動車輪、５……軸、
６……エンジン、７……歩行用操縦ハンドル、８
……燃料タンク、９……伝動ケース、１０……ミ
ツシヨン、１１……伝動ケース、１２……係合
軸、１３……軸受板、１４……係合軸、１５……
操作レバー、１６……独立施肥部、１７……肥料
タンク、１８……肥料繰出ポンプ、１９……施肥
ノズル、２０ａ……左施肥部、２０ｂ……右施肥
部、２１……横杆、２２……連結杆、２３……伝
動筺、２４……送肥パイプ、２５……接地輪、２
６……中心軸、２７……スプロケツト、２８……
回転軸、２９……スプロケツト、３０……チエ
ン、３１……結合杆、３２……二跨部、３３……
ピン、３４……係合板、３５……係合孔、３６…
…作溝刃、３７……回転刃、３８……橇体。 Fig. 1 is a side view of the entire device, Fig. 2 is a plan view of the entire device, Fig. 3 is an assembled state diagram of the independent fertilization section and the traveling vehicle body, and Fig. 4 is a longitudinal sectional view. Explanation of symbols, 1... Traveling vehicle body, 2... Running frame, 3... Support legs, 4... Driving wheels, 5... Axis,
6... Engine, 7... Walking control handle, 8
... Fuel tank, 9 ... Transmission case, 10 ... Mission, 11 ... Transmission case, 12 ... Engagement shaft, 13 ... Bearing plate, 14 ... Engagement shaft, 15 ...
Operation lever, 16...Independent fertilization section, 17...Fertilizer tank, 18...Fertilizer delivery pump, 19...Fertilization nozzle, 20a...Left fertilization section, 20b...Right fertilization section, 21...Horizontal rod, 22 ... Connection rod, 23 ... Transmission box, 24 ... Fertilizer pipe, 25 ... Grounding ring, 2
6... Central shaft, 27... Sprocket, 28...
Rotating shaft, 29... Sprocket, 30... Chain, 31... Connection rod, 32... Double straddle part, 33...
Pin, 34... Engagement plate, 35... Engagement hole, 36...
... Grooving blade, 37... Rotating blade, 38... Sled body.

Claims

[Claims]

1. An independent fertilizing section 16 having a substantially rectangular shape in rear view, in which a fertilizer tank 17, a fertilizer dispensing pump 18, a fertilizing nozzle 19, etc. are integrally assembled symmetrically, and the independent fertilizing section 1
This deep fertilization device for paddy fields is comprised of a walking steering handle 7 and a traveling vehicle body 1 with an engine 6, which is detachably connected to the independent fertilization section 16 around a horizontal axis when viewed from the side, and a traveling vehicle body 1 with an engine 6, in the middle of the left and right sides of the fertilization section 16.