JP2015123045A - Fertilizing device of seedling transplanting machine - Google Patents

Fertilizing device of seedling transplanting machine Download PDF

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JP2015123045A
JP2015123045A JP2013271113A JP2013271113A JP2015123045A JP 2015123045 A JP2015123045 A JP 2015123045A JP 2013271113 A JP2013271113 A JP 2013271113A JP 2013271113 A JP2013271113 A JP 2013271113A JP 2015123045 A JP2015123045 A JP 2015123045A
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fertilizer
lid
hopper
seedling
blower
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奥村 仁
Hitoshi Okumura
仁 奥村
聖也 西風
Seiya Nishikaze
聖也 西風
名本 学
Manabu Namoto
学 名本
龍之 鳥津
Tatsuyuki Toritsu
龍之 鳥津
靖浩 林
Yasuhiro Hayashi
靖浩 林
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Iseki and Co Ltd
Iseki Agricultural Machinery Mfg Co Ltd
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Iseki and Co Ltd
Iseki Agricultural Machinery Mfg Co Ltd
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Priority to JP2013271113A priority Critical patent/JP2015123045A/en
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Abstract

PROBLEM TO BE SOLVED: To provide a fertilizing device that improves endurance of fertilizer hopper, and working efficiency as a configuration that is capable of executing an opening/closing operation even if both hands of a worker cannot be used when supplying fertilizer.SOLUTION: A fertilizing device includes a seedling transplanting part 16 at a rear portion of a travelling vehicle body 9 in a freely elevating/lowering manner, a rear floor 8 at an upper portion of a rear side of the travelling vehicle body 9, a fertilizer hopper 18 that accumulates fertilizer at an upper side of the rear floor 8, a delivery device 19, a fertilizer blower 20, and a fertilizer hose 21 at a lower portion of the fertilizer hopper 18, a freely swingable cover 25 at a hopper opening 23 of the fertilizer hopper 18, a reinforcement bar 26 over a front edge portion of the cover 25 and left and right side walls 27, 27 of the fertilizer hopper 18, left and right support shafts 28, 28 standing on the rear floor 8 at a front portion of the left and right side walls 27, 27, and an engaging member 29 at an upper end portion of the left and right support shafts 28, 28 that supports left and right side portions of the reinforcement bar 26 and opens/closes the cover 25.

Description

この発明は、多条植形態の苗移植機において、施肥ホッパに対する肥料補給作業や、及び苗タンクに対するマット苗の補給作業等を行い易くする施肥装置に関する。   The present invention relates to a fertilizer application device that facilitates a fertilizer supply operation for a fertilizer hopper and a mat seedling supply operation for a seedling tank in a multi-row planting seedling transplanter.

苗移植機車体の後方に多条植形態の苗植付部をリフトリンクを介して昇降可能に連結し、運転席の後側部には施肥装置を搭載すると共に、この施肥ホッパの上側ホッパ口を開閉する蓋を構成する施肥装置の技術が知られている。(例えば、特許献1参照)   A seedling transplanting section in the form of multi-row planting is connected to the rear of the seedling transplanter body through a lift link, and a fertilizer is mounted on the rear side of the driver's seat, and the upper hopper port of this fertilizer hopper The technique of the fertilizer device which comprises the lid | cover which opens and closes is known. (For example, see Patent Document 1)

特開2013− 70678号公報JP 2013-70678 A

多条植形態の苗移植機は、施肥装置の施肥ホッパの横幅を長くなり、この施肥ホッパ、及びこのホッパ口を閉鎖する蓋の横幅も広くなって、剛性が低下して捩じれ易くなる。
このため、施肥ホッパを越えて後側の苗タンクに対するマット苗の補給作業を行うときは、この施肥ホッパ、特にこのホッパ口の蓋上面に凭れたり、補給マット苗、作業者体重等の一部の重量または作業操作力を支持させたり、作業者の身体を預けながら作業することが多く、施肥ホッパや蓋部の強度が弱いと、肥料補給作業や苗補給作業が行い難く、作業能率が低下する問題がある。
In the multi-row planting seedling transplanter, the lateral width of the fertilizer hopper of the fertilizer application is increased, and the lateral width of the fertilizer hopper and the lid that closes the hopper mouth is also widened, so that the rigidity is lowered and it is easy to twist.
For this reason, when replenishing mat seedlings to the rear seedling tank beyond the fertilizer hopper, the fertilizer hopper, particularly the top surface of the lid of the hopper mouth, can be drowned, or part of the supplement mat seedling, worker weight, etc. If the strength of the fertilizer hopper or lid is weak, it is difficult to perform fertilizer replenishment work or seedling replenishment work, and work efficiency decreases. There is a problem to do.

請求項1に記載の発明は、走行車体(9)の後部に、苗を積載する苗タンク(14)と、該苗タンク(14)から苗を取って圃場に植え付ける植付装置(15)からなる苗植付部(16)を昇降自在に設け、前記走行車体(9)の後側上部に後部フロア(8)を設け、該後部フロア(8)の上側に肥料を貯留する施肥ホッパ(18)を設け、該施肥ホッパ(18)の下部には、肥料を繰り出す繰出装置(19)と、該繰出装置(19)から繰り出された肥料を送風搬送する施肥ブロワ(20)と、該施肥ブロワ(20)によって送風搬送される肥料を圃場に案内する施肥ホース(21)を設け、前記施肥ホッパ(18)の上側ホッパ口(23)に蓋(25)を回動自在に設け、該蓋(25)の前縁部で且つ、前記施肥ホッパ(18)の左右の側壁(27,27)に亘って補強バー(26)を設け、該左右の側壁(27,27)の前側部には、前記後部フロア(8)から立設する左右の支柱(28,28)を各々設け、該左右の支柱(28,28)の上端部に前記補強バー(26)の左右両側部を支持すると共に、前記蓋(25)を開閉可能とする係合部材(29)を設けたことを特徴とする苗移植機の施肥装置とする。   The invention described in claim 1 includes a seedling tank (14) for loading seedlings at the rear of the traveling vehicle body (9), and a planting device (15) for taking seedlings from the seedling tank (14) and planting them in a field. And a fertilizer hopper (18) for storing a fertilizer on the upper side of the rear floor (8). ), And at the lower part of the fertilizer hopper (18), a feeding device (19) for feeding fertilizer, a fertilizer blower (20) for blowing and conveying the fertilizer fed from the feeding device (19), and the fertilizer blower The fertilizer hose (21) for guiding the fertilizer blown and conveyed by (20) to the field is provided, and a lid (25) is rotatably provided at the upper hopper port (23) of the fertilizer hopper (18). 25) and the left and right sides of the fertilizer hopper (18) Reinforcing bars (26) are provided across the walls (27, 27), and left and right support columns (28, 28) standing from the rear floor (8) on the front side of the left and right side walls (27, 27). And an engaging member (29) for supporting the left and right sides of the reinforcing bar (26) and opening and closing the lid (25) at the upper ends of the left and right columns (28, 28). It is set as the fertilizer application of the seedling transplanting machine characterized by this.

苗の植付作業時に苗タンク(14)の苗が減少し、苗補給を行うときは、作業者はサイドフロア(11)の上面を前後に移動しながら、前方の補助苗載枠に搭載しているマット苗を取り出して、サイドフロア(11)の後端部から施肥ホッパ(18)を越える姿勢で、後側の各苗タンク(14)の上面に苗を供給する。   When the seedling in the seedling tank (14) decreases during seedling planting work and the seedling is replenished, the operator moves the upper surface of the side floor (11) back and forth while mounting it on the front auxiliary seedling mounting frame. The mat seedlings are taken out, and seedlings are supplied to the upper surface of each rear seedling tank (14) in a posture exceeding the fertilizer hopper (18) from the rear end of the side floor (11).

このとき、施肥ホッパ(18)はホッパ口(23)の上面を蓋(25)で閉鎖しているため、苗補給作業者はマット苗を保持した状態の身体の腹部や、苗等の一部をこの施肥ホッパ(18)を越える姿勢で、ホッパ口(23)の蓋(25)の上面や、補強バー(26)等に支持させる、またはあずけることができるので、苗補給作業を安定した姿勢で行うことができる。   At this time, since the fertilizer application hopper (18) closes the upper surface of the hopper mouth (23) with the lid (25), the seedling replenishment operator can hold the mat seedling and the body abdomen or a part of the seedling etc. Can be supported by or attached to the upper surface of the lid (25) of the hopper mouth (23), the reinforcing bar (26), etc. in a posture exceeding the fertilizer hopper (18), so that the seedling replenishment work can be performed stably. Can be done.

また、施肥作業によって施肥ホッパ(18)の肥料が減少し、肥料補給を行うときは、このホッパ口(23)の蓋(25)を補強バー(26)と共にヒンジ(24)周りに後側上方に開動させてから、ホッパ口(23)を開くことにより、サイドフロア(5)や、リヤフロア(8)等の上面に肥料袋を持ち上げて、この肥料袋内の肥料を施肥ホッパ(18)内へ移し込んで補給する。   Further, when the fertilizer is reduced by the fertilization work and the fertilizer is replenished, the lid (25) of the hopper mouth (23) together with the reinforcing bar (26) is rearwardly raised around the hinge (24). After opening the hopper mouth (23), the fertilizer bag is lifted to the upper surface of the side floor (5), the rear floor (8), etc., and the fertilizer in this fertilizer bag is applied to the fertilizer hopper (18). Move to and replenish.

前記のように、ホッパ口(23)を閉鎖した蓋(25)は、この前端縁に沿って蓋(25)幅方向の補強バー(26)が設けられると共に、この補強バー(26)の左右両端部が施肥ホッパ(18)の側壁(27)及び支柱(28)の上端部に支持されているので、蓋(25)の剛性を高くして、捩じれや歪みを軽減し、安定した重量物や作業者等の支持構成とすることができる。   As described above, the lid (25) with the hopper opening (23) closed has a reinforcing bar (26) in the width direction of the lid (25) along the front edge, and the left and right sides of the reinforcing bar (26). Both ends are supported by the side wall (27) of the fertilizer application hopper (18) and the upper end of the column (28), so that the rigidity of the lid (25) is increased, twisting and distortion are reduced, and a stable heavy object It can be set as support structure of a worker, etc.

請求項2に記載の発明は、前記蓋(25)の左右両側端部には、前記左右の側壁(27,27)の外側に各々沿う左右のサイドアーム(30,30)を開閉回動自在に設け、該左右のサイドアーム(30,30)と前記左右の側壁(27,27)の外側壁の間に、前記蓋(25)を開動させるスプリング(31)を設け、該スプリング(31)の張圧力を変更自在に構成したことを特徴とする請求項1に記載の苗移植機の施肥装置とする。   According to a second aspect of the present invention, the left and right side arms (30, 30) along the outer sides of the left and right side walls (27, 27) can be opened and closed freely at the left and right ends of the lid (25). A spring (31) for opening the lid (25) is provided between the left and right side arms (30, 30) and the outer side walls of the left and right side walls (27, 27), and the spring (31) The fertilizer application device for a seedling transplanter according to claim 1, wherein the tension pressure is freely changeable.

前記施肥ホッパ(18)の蓋(25)は、左右両側端のサイドアーム(30)が施肥ホッパ(18)の後側部のヒンジ(24)周りに開閉回動することができ、これらサイドアーム(30)とホッパ(18)の側壁(27)との間に設けられたスプリング(31)の張圧力によって、後側へ自動開動するように付勢されている。このため、蓋(25)を開くときは、前記支柱(28)の上端部の係合フック(29)を外すことによって、蓋(25)がスプリング(31)の張圧力によって自動的に開動される。   The lid (25) of the fertilizer application hopper (18) has side arms (30) on both left and right ends that can be pivoted around a hinge (24) on the rear side of the fertilizer application hopper (18). The spring (31) provided between (30) and the side wall (27) of the hopper (18) is urged to automatically open rearward by the tension pressure of the spring (31). For this reason, when the lid (25) is opened, the lid (25) is automatically opened by the tension pressure of the spring (31) by removing the engagement hook (29) at the upper end of the column (28). The

また、この蓋(25)を閉動するときは、前記スプリング(31)の張圧力に抗して手動で閉鎖回動して、係合フック(29)を係合させて支柱(28)上に係合固定させることができる。このような蓋(25)を開閉回動するためのスプリング(31)の張圧力を調節するときは、前記スプリング(31)の先端部の係止位置を施肥ホッパ(18)の側壁外側面に形成している係合孔(32)に選択して掛け替えることによって、蓋(25)の開閉回動状態を適宜調節することができる。   When the lid (25) is closed, the lid (25) is manually closed against the tension pressure of the spring (31), and the engagement hook (29) is engaged to disengage the lid (28). Can be engaged and fixed. When adjusting the tension pressure of the spring (31) for opening and closing such a lid (25), the locking position of the tip of the spring (31) is set on the outer surface of the side wall of the fertilizer hopper (18). The opening / closing rotation state of the lid (25) can be appropriately adjusted by selecting and switching the engagement hole (32) formed.

さらに、この形態では、蓋(25)の外周部に沿って、前辺部には補強バー(26)を、後辺部にはヒンジ(24)を配置のヒンジバー(33)を形成し、これら補強バー(26)とヒンジバー(33)との左右両端部間をサイドアーム(30)で連結して囲桁形態の蓋枠(34)を形成し、この蓋枠(34)を蓋(25)の外周部に嵌合させて取付ける形態とすることも可能である(図9参照)。   Furthermore, in this embodiment, along the outer peripheral portion of the lid (25), a reinforcing bar (26) is formed on the front side and a hinge bar (33) is arranged on the rear side, and these are formed. The left and right ends of the reinforcing bar (26) and the hinge bar (33) are connected by side arms (30) to form a girder-shaped lid frame (34), and this lid frame (34) is covered with the lid (25). It is also possible to adopt a form in which it is fitted to the outer peripheral part of the lens (see FIG. 9).

この場合、蓋枠(34)は、蓋(25)の上側部から外周部に嵌合するように前後補強バー(26)とヒンジバー(33)との両端部間を、サイドアーム(30)で連結して、囲桁状形態に形成しているため、蓋(25)の上側部から嵌合させて取付ける取付操作が簡単、容易であり、蓋(25)が合成樹脂製薄板材から成形されていても、剛性を高めることができ、既製の蓋(25)であっても、簡単且つ容易に取付けることができ、経済的に生産することができる。   In this case, the lid frame (34) is formed by a side arm (30) between both ends of the front and rear reinforcing bars (26) and the hinge bar (33) so as to be fitted to the outer periphery from the upper side of the lid (25). Since they are connected and formed in a girder-like shape, the mounting operation is easy and easy to fit and attach from the upper side of the lid (25), and the lid (25) is formed from a synthetic resin thin plate material. Even if it is, even if it is a ready-made lid | cover (25), it can be attached easily and easily and can be produced economically.

また、蓋(25)の外周部に嵌合させた蓋枠(34)は、この蓋(25)との間をボルト締めやリベット止め、接着剤による接着等によって固定することが可能である。そして、前記ヒンジバー(33)は、施肥ホッパ(18)の後側面部に回動片を介して支持させて蝶番状形態に取付け、蓋(25)が蓋枠(34)と共にこのヒンジバー(33)の周りに開閉回動するように構成することができる。   The lid frame (34) fitted to the outer peripheral portion of the lid (25) can be fixed between the lid (25) by bolting, riveting, adhesion with an adhesive, or the like. The hinge bar (33) is attached to the rear side portion of the fertilizer hopper (18) via a rotating piece and attached in a hinge-like form, and the lid (25) together with the lid frame (34) is attached to the hinge bar (33). It can be configured to open and close around the door.

請求項3に記載の発明は、前記係合部材(29)を左右の支柱(28,28)に設け、該左右の支柱(28,28)を前後回動操作するペダル(35)を設け、該ペダル(35)を操作すると閉鎖位置の補強バー(26)から係合部材(29)が外れ、前記蓋(25)が開動可能となることを特徴とする請求項1または2に記載の苗移植機の施肥装置とする。   In the invention according to claim 3, the engaging member (29) is provided on the left and right support columns (28, 28), and a pedal (35) for rotating the left and right support columns (28, 28) back and forth is provided. The seedling according to claim 1 or 2, wherein when the pedal (35) is operated, the engaging member (29) is detached from the reinforcing bar (26) in the closed position, and the lid (25) can be opened. A fertilizer application device for the transplanter.

前記蓋(25)を前側へ回動して、ホッパ口(23)を閉鎖したときは、この蓋(25)の前側縁部に形成の補強バー(26)の左右両端部がリヤフロア(8)の上方に立設の支柱(28)の上端に支架されて、係合フック(29)による係合によって蓋(25)が開かないように保持される。   When the lid (25) is rotated to the front side and the hopper port (23) is closed, the left and right ends of the reinforcing bars (26) formed on the front edge of the lid (25) are the rear floor (8). Is supported on the upper end of the upright column (28), and is held so that the lid (25) is not opened by the engagement by the engagement hook (29).

また、この係合フック(29)の係合を外すことによって、蓋(25)はスプリング(31)の張圧力により、自動的にヒンジ(24)周りに後方へ開動される。このような係合フック(29)の操作は、サイドフロア(5)またはリヤフロア(8)上に立つ作業者が、リヤフロア(8)の横端部面上のペダル(35)の踏込操作によって、補強バー(26)からの係合を外して自動開動を許し、この蓋(25)を手動で閉動操作することによって、係合フック(29)による自動的係合を行わせる。   Further, by disengaging the engagement hook (29), the lid (25) is automatically opened rearward around the hinge (24) by the tension pressure of the spring (31). Such an operation of the engagement hook (29) is performed by an operator standing on the side floor (5) or the rear floor (8) by depressing the pedal (35) on the lateral end surface of the rear floor (8). Disengagement from the reinforcing bar (26) allows automatic opening, and the lid (25) is manually closed to automatically engage the engagement hook (29).

このため、施肥ホッパ(18)の後側部の苗タンク(14)に対する苗補給作業時は、作業者がこの補給のためのマット苗を所持した姿勢であっても、足元部のペダル(35)を踏なければ、蓋(25)が開くことはなく、苗補給作用を邪魔されることはない。   For this reason, at the time of seedling replenishment work for the seedling tank (14) on the rear side of the fertilizer hopper (18), even if the worker holds the mat seedling for replenishment, the foot pedal (35 ), The lid (25) will not open and the seedling replenishing action will not be disturbed.

また、施肥ホッパ(18)に肥料を補給するときは、補給のための重い肥料袋を所持した姿勢にあっても、足元部のペダル(35)を踏込むことによって、係合フック(29)による係合を外して閉鎖状態にある蓋(25)をスプリング(31)の力によって自動的に開動して、肥料袋による肥料補給を行い易くする。   In addition, when supplying fertilizer to the fertilizer hopper (18), even when the fertilizer hopper (18) is in the posture of holding a heavy fertilizer bag, the engaging hook (29) is depressed by depressing the foot pedal (35). The lid (25) in the closed state is automatically opened by the force of the spring (31) by releasing the engagement of the fertilizer so that the fertilizer can be easily supplied by the fertilizer bag.

請求項4に記載の発明は、前記係合部材(29)を設けた左右の支柱(28,28)の下端部を前記後部フロア(8)の左右両側部で且つ前部位置に設け、前記左右の支柱(28,28)を左右両側部に亘って軸架する支軸(36)の両端部に固定して一体回動するように構成し、該支軸(36)の左右両側部位置に前記ペダル(35)を設けたことを特徴とする請求項1から3のいずれか1項に記載の苗移植機の施肥装置とする(図3、図6参照)。   According to a fourth aspect of the present invention, the lower ends of the left and right struts (28, 28) provided with the engaging member (29) are provided on the left and right sides of the rear floor (8) at the front position, The left and right support columns (28, 28) are fixed to both ends of a support shaft (36) that spans the left and right sides, and are configured to rotate integrally. The pedal (35) is provided in a fertilizer application device for a seedling transplanter according to any one of claims 1 to 3 (see Figs. 3 and 6).

前記施肥ホッパ(18)の蓋(25)を開けるときは、リヤフロア(8)の左右両側部面に配置されたペダル(35)を作業者が踏み込むことによって、左右各支柱(28)の上端部の係合フック(29)よる補強バー(26)の左右両側端部の閉蓋係合を解除して、横幅広い蓋(25)をスプリング(31)の力によって後側のヒンジ(24)の周りに後方回動して自動開動させる。   When opening the lid (25) of the fertilizer application hopper (18), the operator steps on the pedals (35) disposed on the left and right side surfaces of the rear floor (8), so that the upper ends of the left and right columns (28) are Release the closed lid engagement of the left and right ends of the reinforcing bar (26) by the engagement hook (29) of the rear hook (24) by the force of the spring (31) to release the wide lateral lid (25). Rotate back around and automatically open.

これらリヤフロア(8)の左右両側部面上に配置しているペダル(35)は、作業者の搭乗している作業位置によって左右いずれか一方側のペダル(35)を踏込操作することによって、支軸(36)と連動して他方側のペダル(35)及び支柱(28)上の係合フック(29)が回動されて、蓋(25)を開動させることができる構成となる。   The pedals (35) arranged on the left and right side surfaces of the rear floor (8) are supported by depressing the pedal (35) on either the left or right side depending on the work position on which the worker is riding. In conjunction with the shaft (36), the other side pedal (35) and the engaging hook (29) on the column (28) are rotated to open the lid (25).

請求項5に記載の発明は、前記エンジンルーム(37)の後側の排出風路(38)と、該エンジンルーム(37)の後側の後輪(6,6)との間を仕切って排風案内する排風カバー(39)を設け、該排出風路(38)の上側部に前記施肥ブロア(20)に連通する吸気ダクト(41)の吸気口(40)を連通して、前記排出風路(38)の熱風を施肥ブロア(20)に吸引して取り込む構成としたことを特徴とする請求項1から4のいずれか1項に記載の苗移植機の施肥装置とする。   The invention according to claim 5 divides the exhaust air passage (38) on the rear side of the engine room (37) and the rear wheels (6, 6) on the rear side of the engine room (37). An exhaust cover (39) for guiding exhaust air is provided, and an intake port (40) of an intake duct (41) communicating with the fertilizer blower (20) is communicated with an upper portion of the exhaust air passage (38), The fertilizer application for a seedling transplanter according to any one of claims 1 to 4, wherein hot air from the discharge air passage (38) is sucked into the fertilizer blower (20) and taken in.

エンジン(47)は、運転席(2)を搭載するエンジンカバー(1)の内部のエンジンルーム(37)において駆動し、このエンジン駆動による熱気が後側の排風路(38)から左右の後輪(6,6)の間隔部へ向けて排風される。   The engine (47) is driven in the engine room (37) inside the engine cover (1) on which the driver's seat (2) is mounted, and the hot air generated by the engine drive from the rear exhaust passage (38) to the left and right rear. The air is exhausted toward the space between the rings (6, 6).

また、前記リヤフロア(8)の左右一側端部位置には、施肥ブロア(20)が設けられ、この施肥ブロア(20)の送風を施肥ダクト(60)を介して各施肥ホース(21)へ配風して、繰出装置(22)から各施肥ホース(21)へ繰出される繰出肥料を、各フロート(10,11)で均平された圃場面に施肥させる。   In addition, a fertilizer blower (20) is provided at the position of one end on the left and right sides of the rear floor (8). The fertilizer blower (20) blows air to the fertilizer hoses (21) via the fertilizer duct (60). The distributed fertilizer is distributed to the fertilizer hoses (21) from the feeding device (22) by the wind distribution, and fertilized on the field scene leveled by the floats (10, 11).

そして、このような施肥ブロア(20)の送風は、前記エンジンルーム(37)から排風路(38)へ排風された熱風を吸気口(40)から吸入して、吸気ダクト(41)を介して施肥ブロア(20)に吸入しながら、施肥ダクト(60)から各施肥ホース(21)側に送風する。   And the ventilation of such a fertilizer blower (20) sucks the hot air exhausted from the engine room (37) to the exhaust passage (38) from the intake port (40), and causes the intake duct (41) to enter. While being sucked into the fertilizer blower (20), the air is blown from the fertilizer duct (60) to the fertilizer hose (21).

この吸気口(40)の設けられる排風路(38)は、後輪(6,6)が左右両側部に配置されるため、これら後輪(6,6)の回転によって跳ね上げられる泥土や泥水等があっても、排風カバー(39)によって防泥及び防水されて、排風路(38)を後方へ案内される綺麗な熱風排風を有効に吸気口(40)に取込案内することができる。   In the exhaust path (38) provided with the intake port (40), since the rear wheels (6, 6) are arranged on both right and left sides, mud and soil that are splashed by the rotation of the rear wheels (6, 6) Even if there is muddy water etc., it is mudproofed and waterproofed by the wind exhaust cover (39), and it guides the intake of the clean hot air exhaust that guides the exhaust air passage (38) rearward to the intake port (40) effectively. can do.

しかも、施肥ブロア(20)から排風路(38)の吸気口(40)に亘る吸気ダクト(41)を構成することを要するが、この吸気ダクト(41)と排風路(38)の側部の排風カバー(39)との構成により、簡潔に構成することができ、エンジン排気熱を有効に利用することができる。   Moreover, it is necessary to form an intake duct (41) extending from the fertilizer blower (20) to the intake port (40) of the exhaust passage (38), and the side of the intake duct (41) and the exhaust passage (38) is required. By the configuration with the exhaust wind cover (39) of the part, it can be configured simply and the engine exhaust heat can be used effectively.

請求項6に記載の発明は、前記繰出装置(19)の下部には、前記施肥ブロア(20)からの送風によりこの各残留肥料取出口(42)から取り出される肥料を受けて排出口(43)へ取出搬送する取出ダクト(44)と、前記施肥ブロア(20)の吸気ダクト(41)の途中部を前記排出風路(38)に連通させると共に、先端部の吸気口(46)を前記取出ダクト(44)の取出口(43)の上部位置に臨ませる吸気ダクト(41)を配置し、該吸気ダクト(41)の排出風路(38)の連通位置に切替弁(45)を設け、通常施肥作業状態時には前記排出風路(38)から熱風を吸引案内し、残留肥料取出状態時には前記吸気口(46)から外気を吸引する状態に切り替えることを特徴とする請求項5に記載の苗移植機の施肥装置とする。   According to a sixth aspect of the present invention, in the lower part of the feeding device (19), fertilizer taken out from each residual fertilizer outlet (42) is received by air blown from the fertilizer application blower (20), and the discharge port (43 ) And the intake duct (41) of the fertilizer blower (20) in communication with the discharge duct (44) to be taken out and conveyed to the exhaust air passage (38), and the intake port (46) at the tip is connected to the exhaust duct (46). An intake duct (41) that faces the upper position of the outlet (43) of the take-out duct (44) is disposed, and a switching valve (45) is provided at a communication position of the exhaust air passage (38) of the intake duct (41). The hot air is sucked and guided from the discharge air passage (38) in a normal fertilization operation state, and the state is switched to a state of sucking outside air from the intake port (46) in a residual fertilizer take-out state. Fertilizer for seedling transplanter .

前記吸気ダクト(41)の吸気口(40)がエンジンルーム(37)から排出される熱風を後輪(6,6)の間隔部から後方へ排風案内する排風路(38)に臨ませて設けられるが、この吸気ダクト(41)の切替弁(45)を前記吸気口(40)から先端部の吸気口(46)側に切り替えて、吸気口(40)から吸引を止めて吸気口(46)からの吸引作用可能に切り替えることができる。   The intake port (40) of the intake duct (41) faces hot air exhausted from the engine room (37) to the exhaust path (38) for exhausting air from the space between the rear wheels (6, 6) to the rear. The switching valve (45) of the intake duct (41) is switched from the intake port (40) to the intake port (46) side at the tip, and suction is stopped from the intake port (40). It is possible to switch the suction action from (46).

従って、通常の苗の植付作業時は、吸気口(40)から熱風を吸引して利用するように切替弁(45)を操作し、且つ苗の植付作業を停止して施肥ホッパ(18)等に残留している肥料を取出ダクト(44)の残留肥料排出口(43)に取り出すときは、前記切替弁(45)をこの排出口(43)と同側に位置する吸気口(46)側に吸引作用するように切り替えて、施肥ブロア(20)による外気吸引をこの吸気ダクト(41)の吸気口(46)から行わせる。   Accordingly, during normal seedling planting work, the switching valve (45) is operated so that hot air is sucked and used from the air inlet (40), and the seedling planting work is stopped and the fertilizer hopper (18 ) Etc., when the fertilizer remaining in the discharge duct (44) is taken out to the residual fertilizer discharge port (43), the switching valve (45) is placed on the intake port (46) on the same side as the discharge port (43). ) Side is switched so as to perform the suction action, and the outside air suction by the fertilizer application blower (20) is performed from the intake port (46) of the intake duct (41).

残留肥料の取出作業中は、前記施肥ブロア(20)による送風が取出ダクト(44)を通して排出口(43)に行われ、この送風力によって各残留肥料取出口(42)から取出された残留肥料が取出ダクト(44)を搬送されて、この排出口(43)から機外へ排出される。   During the removal of residual fertilizer, the fertilizer blower (20) is blown to the discharge port (43) through the take-out duct (44), and the residual fertilizer taken out from each residual fertilizer outlet (42) by this blowing force. Is conveyed through the take-out duct (44) and discharged from the discharge port (43) to the outside of the apparatus.

これに従って、排出口(43)から多量の塵埃が飛散することがあるが、この排出口(43)の上部に前記吸気ダクト(41)の吸気口(40)の吸引力が作用していることにより、この排出口(43)から発生する塵埃が吸気口(40)に吸引されるので、この排出口(43)の作業環境を良好に維持する。   Accordingly, a large amount of dust may be scattered from the discharge port (43), but the suction force of the intake port (40) of the intake duct (41) is acting on the upper part of the discharge port (43). Thus, the dust generated from the discharge port (43) is sucked into the intake port (40), so that the working environment of the discharge port (43) is maintained well.

請求項1に記載の発明は、施肥ホッパ18の蓋25の前縁部には、左右横方向に亘る補強バー26を形成するため、この蓋25や、この蓋25の閉鎖による施肥ホッパ18の剛性を高めて、捩じれや、歪み等を少くすることができ、蓋25の開閉を容易に行い、作業能率を高める。又、この蓋25を補強した補強バー26の左右両側端部が支柱28上端部に支持されるため、これら蓋25上面や補強バー26上に、作業者の身体の一部を支持させたり、マット苗や肥料袋等の重量を受けさせても、蓋25や施肥ホッパ18等の変形、歪みを少くして、安定した作業姿勢を保持させて、苗補給作業や、肥料補給作業を的確に、高能率に行うことができる。   According to the first aspect of the present invention, since the reinforcing bar 26 extending in the lateral direction is formed at the front edge of the lid 25 of the fertilizer hopper 18, the lid 25 and the fertilizer hopper 18 by closing the lid 25 are provided. The rigidity can be increased to reduce twisting, distortion, etc., the lid 25 can be easily opened and closed, and the work efficiency is increased. In addition, since the left and right end portions of the reinforcing bar 26 that reinforces the lid 25 are supported by the upper end portions of the columns 28, a part of the operator's body can be supported on the upper surface of the lid 25 and the reinforcing bar 26. Even if it receives the weight of mat seedlings or fertilizer bags, the deformation and distortion of the lid 25 and fertilizer hopper 18 are reduced to maintain a stable working posture, so that seedling replenishment work and fertilizer replenishment work can be performed accurately. Can be done with high efficiency.

しかも、蓋25は剛性樹脂製等によって比較的軽薄な材料から成形することも可能で、構成を簡単にし、安価に生産することができる。又、既製の蓋25においても補強バー26の付加で簡単、容易に実施することができる。   In addition, the lid 25 can be molded from a relatively light and thin material such as a rigid resin, and the structure can be simplified and can be produced at low cost. Further, the ready-made lid 25 can be easily and easily implemented by adding the reinforcing bar 26.

請求項2に記載の発明は、請求項1に記載の発明の効果に加えて、蓋25の左右両側端部にサイドアーム30を設けるため、この蓋25の構成を前記前側縁部に沿って形成される補強バー26による蓋25の長手横幅方向の補強と共に、蓋25の前後方向の補強を行って、簡単な構成で、蓋25上側全面の剛性を高くすることができる。   In addition to the effect of the invention described in claim 1, the invention described in claim 2 is provided with side arms 30 at the left and right ends of the lid 25, so that the configuration of the lid 25 is arranged along the front edge. By reinforcing the lid 25 in the longitudinal and lateral directions of the lid 25 by the reinforcing bar 26 to be formed, reinforcing the lid 25 in the front-rear direction can increase the rigidity of the entire upper surface of the lid 25 with a simple configuration.

また、前記サイドアーム30や、スプリング31機構等と共に、補強バー36等を施肥ホッパ18の外側部に配置して、内部供給の肥料収容、繰出等の抵抗、邪魔にならず、スプリング31の調節操作を外部から簡単に行うことできる。   In addition to the side arm 30 and the spring 31 mechanism, etc., a reinforcing bar 36 and the like are arranged on the outer side of the fertilizer hopper 18 to adjust the spring 31 without interfering with the resistance and distraction of the internally supplied fertilizer. Operation can be easily performed from the outside.

請求項3に記載の発明は、請求項1または2に記載の発明の効果に加えて、前記蓋25の補強バー26の左右両側部を支柱28上端部に支持させて、係合フック29の係合によって閉蓋状態を安定維持させることができ、この閉蓋25上の剛性を高めることによって、安定した支持態勢を維持して、この蓋25上面を利用して作業性を高め、施肥作用を良好に維持させることができる。   In addition to the effect of the invention described in claim 1 or 2, the invention described in claim 3 supports the left and right side portions of the reinforcing bar 26 of the lid 25 on the upper end of the support column 28, thereby The closed state can be stably maintained by the engagement, and by increasing the rigidity on the closed lid 25, a stable support posture is maintained, and the workability is improved by utilizing the upper surface of the lid 25, thereby providing a fertilizing action. Can be maintained well.

また、蓋25を開くときは、リヤフロア8上面の足元部のペダル35の踏込みよって、係合フック29の係合を外して蓋25を自動的に後方回動して開口するため、作業者は、重い肥料袋等を抱え持った姿勢にあっても、ペダル35の踏込操作を簡単容易に行うことができ、構成を簡単にして、作業性を容易化することができる。   Further, when the lid 25 is opened, the pedal 35 on the upper surface of the rear floor 8 is depressed to disengage the engagement hook 29 and the lid 25 is automatically rotated backward to open. Even in a posture with a heavy fertilizer bag or the like, the pedal 35 can be easily depressed, the configuration can be simplified, and workability can be facilitated.

請求項4に記載の発明は、請求項1から3のいずれか1項に記載の発明の効果に加えて、横幅広い施肥ホッパ18の閉蓋25を支持する支柱28や、この蓋25開閉するための係合フック29、及び係合フック29を外し操作するペダル35等を、サイドフロア5の後端部に位置するリヤフロア8の左右両端部上面で、施肥ホッパ18及び施肥装置22の前側下部位置に配置して、作業者が左右いずれの側のサイドフロア5及びリヤフロア8上面の作業位置からでも、肥料補給作業または苗補給作業を行いながら、足元部でのペダル35操作を簡単且つ容易に行うことができ、簡単な構成でありながら、作業操作性を高めることができる。   In addition to the effect of the invention described in any one of claims 1 to 3, the invention described in claim 4 supports and closes the support column 28 for supporting the closed lid 25 of the wide fertilizer hopper 18 and the lid 25. Engaging hooks 29 and pedals 35 for removing the engaging hooks 29 are operated on the upper surfaces of the left and right ends of the rear floor 8 located at the rear end of the side floor 5. The pedal 35 can be easily and easily operated at the foot portion while performing the fertilizer replenishment work or the seedling replenishment work from the work position on the upper surface of the side floor 5 and the rear floor 8 on either side. Work operability can be enhanced with a simple configuration.

また、前記左右両側部のペダル35は、これらペダル35の回動支軸36で一体的に連結されて、リヤフロア8上面の前部位置に配置されるため、前記のように足元部でのペダル操作が容易であると共に、構成上においても他の施肥操作22の構成部分である繰出装置19や、施肥ブロア20から各施肥ホース21へ送風案内する施肥ダクト等の配置構成の邪魔になり難く、リヤフロア8面を広く形成して、苗補給や、肥料補給作業等を行い易くして、作業能率を高めることができる。   Further, the pedals 35 at the left and right side portions are integrally connected by the pivot support shafts 36 of these pedals 35 and are disposed at the front position on the upper surface of the rear floor 8, so that the pedals at the foot portions as described above. The operation is easy, and it is difficult to obstruct the arrangement configuration of the feeding device 19 which is a component part of the other fertilization operation 22 and the fertilization duct which guides air flow from the fertilizer blower 20 to each fertilization hose 21 in terms of configuration, The rear floor 8 can be widely formed to facilitate seedling supply, fertilizer supply work, and the like, thereby improving work efficiency.

請求項5に記載の発明は、請求項1から4のいずれか1項に記載の発明の効果に加えて、前記のように施肥ブロア20の送風は、エンジンルーム37から排出される排風路38の熱風排風が利用されるが、前記吸気口40の後輪6より側方から後側部を排風カバー39で覆うため、後輪6で跳ね上げた泥土が吸気口40へ直接飛込むことを防止して、きれいなエンジンの熱風を施肥ブロア20に取込ことができ、円滑な施肥作用を行わせることができる。しかも、簡単な構成とすることができる。   In addition to the effect of the invention according to any one of claims 1 to 4, the air of the fertilizer blower 20 is exhausted from the engine room 37 as described above. Although the hot air exhaust air of 38 is used, since the rear side portion is covered with the air exhaust cover 39 from the side of the rear wheel 6 of the intake port 40, the mud splashed up by the rear wheel 6 directly jumps into the intake port 40. It is possible to prevent this, and clean hot air from the engine can be taken into the fertilizer blower 20 so that a smooth fertilization operation can be performed. Moreover, a simple configuration can be obtained.

請求項6に記載の発明は、請求項5に記載の発明の効果に加えて、前記施肥ブロア20の吸気は、吸気ダクト41の切替弁45の切替えによって、施肥作業時は、吸気口40から排風路38のエンジン熱風を吸入することができると共に、残留肥料の取出作業時は、この排出口43部上の吸気口46から吸引して、この排出口43部周辺部に飛散する塵埃を吸引して、きれいな作業環境に維持することができる。   In addition to the effect of the invention described in claim 5, the intake air of the fertilizer blower 20 is supplied from the intake port 40 during the fertilization work by switching the switching valve 45 of the intake duct 41. The engine hot air in the exhaust passage 38 can be sucked, and when taking out the residual fertilizer, dust sucked from the suction port 46 on the discharge port 43 and scattered around the discharge port 43 is removed. Aspiration can be maintained in a clean working environment.

また、前記切替弁45の切替構成によって、吸気ダクト41の配置形態を単一形態として有効利用することができるので、簡潔構成とすることができ、切替弁45の切替えによって操作を容易にすることができる。   Moreover, since the arrangement configuration of the intake duct 41 can be effectively used as a single configuration by the switching configuration of the switching valve 45, a simple configuration can be achieved, and the operation can be facilitated by switching the switching valve 45. Can do.

苗移植機の側面図Side view of seedling transplanter 苗移植機の平面図Top view of seedling transplanter 施肥ホッパ部の正面図Front view of fertilizer hopper 施肥ホッパ部の蓋部の平面図Top view of the lid of the fertilizer hopper 施肥ホッパ部の蓋の開閉状態を示す側面図Side view showing the open / closed state of the lid of the fertilizer hopper 蓋枠を取り付けた形態の正面図Front view of form with lid frame attached 蓋部の平面図Top view of the lid 蓋部の開閉状態を示す側面図Side view showing the open / closed state of the lid 一部の実施例を示す蓋枠部の平面図(A)と、その背面図(B)と、その分解側面図(C)。The top view (A) of the cover frame part which shows a some Example, its rear view (B), and its decomposition | disassembly side view (C). 施肥装置ダクト部の平面配置図(A)と、その吸気ダクト部の正 面図(B)Planar layout of fertilizer application duct (A) and front view of intake duct (B) 排風路部の側面図Side view of the exhaust passage 排風路部の背面図Rear view of the exhaust passage 肥料排出レバー部の作動状態を示す斜視図The perspective view which shows the operating state of a fertilizer discharge lever part 線引マーカ部の正面図と、その側面図Front view and side view of drawing marker

図例に基づいて、苗移植機は、ステアリングハンドル4によって操向する前輪3と、後輪6を配置して、この前後中央部にエンジン47を搭載し、このエンジンルーム37上を覆うエンジンカバー1の上部に運転席2を搭載して、乗用四輪走行形態の車体9を構成し、この車体9の後側に平行リンク形態のリフトリンク17を介して苗植付部16を昇降可能に連結している。施肥装置22は、前記運転席2の後側に形成のリヤフロア8の上側に構成している。   Based on the illustrated example, the seedling transplanter has a front wheel 3 steered by the steering handle 4 and a rear wheel 6, an engine 47 is mounted at the front and rear center, and an engine cover that covers the engine room 37 is covered. A driver's seat 2 is mounted on the upper part of 1 to constitute a four-wheel-drive vehicle body 9, and a seedling planting part 16 can be moved up and down via a parallel link-type lift link 17 on the rear side of the vehicle body 9. It is connected. The fertilizer application device 22 is configured on the upper side of the rear floor 8 formed on the rear side of the driver seat 2.

前記車体9の前部にはエンジン47によって駆動される油圧無段変速装置48、及びミッションケース49内の伝動機構等を介して、前輪3、及び後輪6を伝動して走行し、又、PTO軸50を伝動して後部の苗植付部16や、施肥装置22、及び苗植付部16前側の代掻ロータ51等を伝動して苗の植付作業することができる。前記車体9後端部のリヤフレーム52に上下回動可能にリフトリンク17を連結し、車体9側のリフトシリンダ53の伸縮によって昇降回動することができる。   The vehicle body 9 travels by transmitting the front wheel 3 and the rear wheel 6 via a hydraulic continuously variable transmission 48 driven by an engine 47, a transmission mechanism in the transmission case 49, etc. The PTO shaft 50 can be transmitted to transmit the seedling planting portion 16 at the rear, the fertilizer application device 22, the scraper rotor 51 on the front side of the seedling planting portion 16, and the like to perform seedling planting work. The lift link 17 is connected to the rear frame 52 at the rear end of the vehicle body 9 so as to be rotatable up and down, and can be moved up and down by expansion and contraction of the lift cylinder 53 on the vehicle body 9 side.

前記リフトリンク17の後端に連結の苗植付部16は、土壌面を滑走して均平化するセンタフロート10と、この左右両側部のサイドフロート11を配置して、苗植フレーム12を支持している。この苗植フレーム12の上側には、マット苗を載せて左右横方向へ移動しながら、底部の繰出ベルトの駆動により後下部の苗取口13へ繰出す多条植形態の苗タンク14を、後端下りの傾斜にして設け、この苗植フレーム12の後端部には、先端部の植付爪部を側面視楕円形状の植付奇跡線Dに昇降作動させて、上部の苗取口部13に繰出された苗を分離保持して、各フロート10、11で均平された土壌面へ挿植する多条植形態の植付装置15を配置する。この苗植付部16の前側には、代掻ロータ51を配置して、掻フロート10、11で均平する土壌面を代掻して、均平し易くする。   A seedling planting section 16 connected to the rear end of the lift link 17 is provided with a center float 10 that slides and smoothes the soil surface, and side floats 11 on both the left and right sides. I support it. On the upper side of the seedling planting frame 12, a multi-row planting seedling tank 14 that is fed to the rear lower seedling inlet 13 by driving a feeding belt at the bottom while placing a mat seedling and moving in the lateral direction, At the rear end of the seedling planting frame 12, the planting claw at the tip is moved up and down to an elliptical planting miracle line D in the side view, and the upper seedling outlet A planting device 15 in the form of a multi-row planting is arranged to separate and hold the seedlings fed to the part 13 and to be planted on the soil surface leveled by the floats 10 and 11. In the front side of the seedling planting portion 16, a scraping rotor 51 is arranged so that the soil surface leveled by the scraping floats 10 and 11 is scraped to facilitate leveling.

前記車体9には、運転席2から前部のステアリングポスト54部に亘るセンタフロア部の左右外側部にサイドフロア5を形成して、苗補給や、肥料補給等の補給作業を行い易く構成している。このサイドフロア5の後端部は、後輪6上を覆うリヤフェンダー55に連結して、このフェンダー55の後端上部にリヤフロア7を連結構成して前記リヤフレーム52上に支持させている。前記サイドフロア5の前端外側部には、補助苗載棚56を支持する棚支持枠57を設けて、苗の植付作業を行うにあたり、苗タンク14に補給するためのマット苗を搭載収容しておくことができる。   The vehicle body 9 is formed with side floors 5 on the left and right outer sides of the center floor portion extending from the driver's seat 2 to the front steering post 54 to facilitate replenishment work such as seedling replenishment and fertilizer replenishment. ing. The rear end of the side floor 5 is connected to a rear fender 55 that covers the rear wheel 6, and the rear floor 7 is connected to the upper rear end of the fender 55 and supported on the rear frame 52. A shelf support frame 57 for supporting the auxiliary seedling placement shelf 56 is provided on the outer side of the front end of the side floor 5 so that a mat seedling for replenishing the seedling tank 14 when carrying out seedling planting work is mounted and received. I can keep it.

前記リヤフロア7は、左右両側部のフェンダー55間に亘って横幅広く形成されて、この上側に沿って施肥装置22を配置する。施肥装置22は各苗植付条毎に一基宛て毎配置するが、複数植付条に一基宛毎配置することも可能である。前記施肥装置22は、上部に横幅広く形成した施肥ホッパ18を構成し、この下部に横方向の繰出軸58の周りに回転されて、上側の施肥ホッパ18から供給される粉粒剤肥料を繰出す繰出ロール59を有した繰出装置19が配置される。   The rear floor 7 is formed to be wide across the fenders 55 on the left and right sides, and the fertilizer 22 is disposed along the upper side. The fertilizer application device 22 is arranged for each seedling planting line, but can be arranged for each planting line. The fertilizer application 22 constitutes a fertilizer hopper 18 formed horizontally wide at the upper part, and is rotated around a feeding shaft 58 in the horizontal direction at the lower part to feed the powder fertilizer supplied from the upper fertilizer hopper 18. A feeding device 19 having a feeding roll 59 is disposed.

又、この施肥装置22の横端部には、施肥ブロアー20を設けて、この施肥ブロアー20の吸引口部に連通する吸気ダクト41を、前記繰出装置19の後側部に横方向に沿わせて設けている。   Further, a fertilizer blower 20 is provided at a lateral end portion of the fertilizer application device 22, and an intake duct 41 communicating with a suction port portion of the fertilizer application blower 20 is arranged along the rear side portion of the feeding device 19 in the lateral direction. Provided.

また、この施肥ブロアー20の吹出口部に連通する施肥ダクト60と、各繰出装置19の残留肥料取出口42から取出される肥料を受けて搬送させる取出ダクト44とを、前記各繰出装置19の前側部に横方向に沿わせて設けている。前記施肥ダクト60は、各繰出装置19の繰出口をのぞませ施肥ホース21を連通させて、この施肥ダクト60から吹込む風圧によって施肥ホース21内の肥料を苗植付土壌面へ噴送施肥させる。   Further, the fertilizer duct 60 that communicates with the outlet portion of the fertilizer blower 20 and the take-out duct 44 that receives and transports the fertilizer taken from the residual fertilizer take-out port 42 of each feed device 19 are supplied to the feed device 19. It is provided along the lateral direction on the front side. The fertilization duct 60 allows the fertilizer hose 21 to communicate with each other through the feeding outlets of the feeding devices 19, and fertilizer in the fertilizer hose 21 is sprayed to the seedling planting soil surface by wind pressure blown from the fertilizer duct 60. Let

そして、取出ダクト44は、前記のように各繰出装置19の取出口42から取出される肥料を受けて、この取出ダクト44を吹出される送風圧によって、一側端部の排出口43へ噴送して、機外位置に排出させる。これら同一施肥ブロアー20からの送風を受ける施肥ダクト60と、取出ダクト44との分岐部には切替弁を設けて、いずれか一側のダクト60側、又は44側へのみ有効に吹出すように構成することも可能である。   Then, the take-out duct 44 receives the fertilizer taken out from the take-out port 42 of each feeding device 19 as described above, and jets it to the discharge port 43 at the one side end by the blowing pressure blown out from the take-out duct 44. Sent to the outside of the machine. A switching valve is provided at a branch portion between the fertilization duct 60 that receives air from the same fertilizer blower 20 and the take-out duct 44 so as to effectively blow out only to the duct 60 side or the 44 side. It is also possible to configure.

又、前記吸気ダクト41は、施肥ブロアー20側とは反対側一へ向けて伸延して設けられ、先端部に外気を吸入する吸気口46を形成している。又、この吸気ダクト41の途中位置には、切替弁45と吸気口40を形成してこの吸気口40を、エンジンルーム37の後側に形成される排風路38にのぞませて、この排風路38を排出される熱風の一部を吸引して施肥ブロアー20側へ流すことができる。   Further, the intake duct 41 is provided so as to extend toward the opposite side to the fertilizer blower 20 side, and an intake port 46 for sucking outside air is formed at the tip. Further, a switching valve 45 and an intake port 40 are formed in the midway position of the intake duct 41, and this intake port 40 is passed through an exhaust passage 38 formed on the rear side of the engine room 37. A part of the hot air discharged through the exhaust passage 38 can be sucked and flowed to the fertilizer blower 20 side.

切替弁45は、この吸気口40を開閉するもので、この吸気口40を開いて、吸気口46側との連通を閉めると、前記のように吸気口40からの熱風吸入する状態に切替えることができ、この吸気口40を絞めて、吸気口46側との連通を開けると、この吸気口46側から取出口42周部の外気を施肥ブロアー20へ吸引する状態に切替えることができる。   The switching valve 45 opens and closes the intake port 40. When the intake port 40 is opened and the communication with the intake port 46 side is closed, the state is switched to the state in which hot air is sucked from the intake port 40 as described above. If the intake port 40 is narrowed and communication with the intake port 46 side is opened, it is possible to switch to a state in which the outside air around the outlet 42 is sucked into the fertilizer blower 20 from the intake port 46 side.

前記排風路38は、後輪6間隔部におけるリヤフロア8の下部位置に構成され、ラジエータファン61の回転によってラジエータ62を通して吹出される排風を後方へ排風する。この排風路38の横側には後輪6が配置されている。この後輪6の内側位置に適宜形態の排風カバー39を設け、この排風カバー39の内側に前記吸気ダクト41の吸気口40をのぞませて、この排風路38を吹出される熱風排風の一部を吸気ダクト41へ吸引するものである。そして、この吸気口40の側部に位置する排風カバー39によって、後輪6の回転によって飛散の泥土が、吸気口40に吸入されないように阻止する。   The exhaust air passage 38 is formed at a lower position of the rear floor 8 in the space between the rear wheels 6 and exhausts the exhaust air blown out through the radiator 62 by the rotation of the radiator fan 61 to the rear. A rear wheel 6 is disposed on the side of the air exhaust path 38. A wind exhaust cover 39 having an appropriate shape is provided at an inner position of the rear wheel 6, and the hot air blown out from the exhaust path 38 is inserted into the air exhaust cover 39 through the intake port 40 of the intake duct 41. A part of the exhaust air is sucked into the intake duct 41. The air exhaust cover 39 located on the side of the intake port 40 prevents the mud scattered from being scattered by the rotation of the rear wheel 6 from being sucked into the intake port 40.

前記リヤフロア8の上部に搭載の施肥装置22は、この施肥ホッパ18の上側ホッパ口23部には、この後側縁に沿うヒンジ24の周りに上下回動して開閉する蓋25を設け、この蓋25の前縁部には、このホッパ18の左右両側壁27部に亘る補強バー26を設け、この施肥ホッパ18の左右両側壁27部の前側部には、前記リヤフロア8部から立設の支柱28を設けて、この支柱28の上端部に、前記補強バー26の左右両側部を支持して、蓋25を開閉可能とする係合フック29を設けた構成としている。   The fertilizer application 22 mounted on the upper part of the rear floor 8 is provided with a lid 25 that pivots up and down around a hinge 24 along the rear edge at the upper hopper port 23 of the fertilizer hopper 18. A reinforcing bar 26 is provided at the front edge of the lid 25 over the left and right side walls 27 of the hopper 18, and the front side of the left and right side walls 27 of the fertilizer hopper 18 is erected from the rear floor 8 part. A support column 28 is provided, and an engagement hook 29 is provided at the upper end of the support column 28 to support the left and right side portions of the reinforcing bar 26 so that the lid 25 can be opened and closed.

苗の植付作業時に、苗植付部16の苗タンク14の苗が減少して、苗補給を行うときは、作業者がサイドフロア11上面を前後に移動しながら、前方の補助苗載枠棚に搭載しているマット苗を取り出して、サイドフロア11の後端部から施肥ホッパ18越し姿勢で、後側の各苗タンク14上面に供給する。このとき施肥ホッパ18はホッパ口23上面を蓋25で閉鎖しているため、苗補給作業者は、マット苗を保持した状態の身体の腹部や、苗等の一部を、この施肥ホッパ18越し姿勢で、ホッパ口23の蓋25上面や、補強バー26等に支持させ、乃至あずけるようにして、苗補給作業を安定した姿勢で行うことができる。   When the seedling in the seedling tank 14 of the seedling planting unit 16 decreases and seedling replenishment is performed at the time of seedling planting work, the auxiliary seedling mounting frame in front is moved while the operator moves back and forth on the upper surface of the side floor 11. The mat seedlings mounted on the shelves are taken out and supplied to the upper surface of each rear seedling tank 14 from the rear end portion of the side floor 11 through the fertilizer hopper 18. At this time, since the fertilizer hopper 18 closes the upper surface of the hopper mouth 23 with the lid 25, the seedling replenishment operator passes the abdomen of the body holding the mat seedling or a part of the seedling over the fertilizer hopper 18. In a posture, the seedling replenishing operation can be performed in a stable posture by supporting the upper surface of the lid 25 of the hopper mouth 23, the reinforcing bar 26, and the like so that the seedling can be relieved.

また、施肥作業によって施肥ホッパ18の肥料が減少して、肥料補給を行うときは、このホッパ口23の蓋25を補強バー26と共にヒンジ24周りに後側上方へ開動して、ホッパ口23を開いて、サイドフロア5や、リヤフロア8等上面の肥料袋を持ち上げて、この肥料袋内の肥料を施肥ホッパ18内へ移し込んで補給する。   When the fertilizer in the fertilizer hopper 18 is reduced by the fertilization work and the fertilizer is replenished, the lid 25 of the hopper port 23 is moved together with the reinforcing bar 26 to the rear upper side around the hinge 24 to open the hopper port 23. The fertilizer bag on the upper surface such as the side floor 5 and the rear floor 8 is lifted up, and the fertilizer in the fertilizer bag is transferred into the fertilizer hopper 18 for replenishment.

前記のように、ホッパ口23を閉鎖した蓋25は、この前端縁に沿って蓋25幅方向の補強バー26が設けられて、この補強バー26の左右両端部が施肥ホッパ18の側壁27、及び支柱28の上端部に支持されているため、蓋25の剛性を高くして、捩じれや、歪みを軽減し、安定した重量物や、作業者等の支持構成とすることができる。   As described above, the lid 25 with the hopper opening 23 closed is provided with reinforcing bars 26 in the width direction of the lid 25 along the front edge, and the left and right ends of the reinforcing bar 26 are the side walls 27 of the fertilizer hopper 18, Since the lid 25 is supported by the upper end portion of the support column 28, the rigidity of the lid 25 can be increased, and twisting and distortion can be reduced, thereby providing a stable support structure for heavy objects and workers.

又、前記蓋25の左右両側端部には、施肥ホッパ18の左右両側壁27外側に沿うサイドアーム30をヒンジ24周りに開閉回動自在にして設け、このサイドアーム30と側壁27の外側壁の間に、蓋25開動用のスプリング31を設け、又は、このスプリング31の係合する係合孔32位置を変えてスプリング31の張圧力を調節可能に設ける。   Further, side arms 30 along the outer sides of the left and right side walls 27 of the fertilizer hopper 18 are provided at the left and right end portions of the lid 25 so as to be openable and closable around the hinges 24, and the outer walls of the side arms 30 and the side walls 27. In the meantime, a spring 31 for opening the lid 25 is provided, or the position of the engagement hole 32 with which the spring 31 is engaged is changed so that the tension pressure of the spring 31 can be adjusted.

前記施肥ホッパ18の蓋25は、左右両側端のサイドアーム30が、施肥ホッパ18後側部のヒンジ24周りに開閉回動することができ、これらサイドアーム30とホッパ18の側壁27との間に設けられたスプリング31の張圧力によって、後側へ自動開動するように付勢されている。このため、蓋25を開くときは、前記支柱28上端部の係合フック29を外すことによって、蓋25がスプリング31の張圧力によって自動的に開動される。   The lid 25 of the fertilizer hopper 18 has side arms 30 on both left and right ends that can be opened and closed around the hinge 24 on the rear side of the fertilizer hopper 18, and between the side arms 30 and the side wall 27 of the hopper 18. The spring 31 is urged so as to be automatically opened rearward by the tension pressure of the spring 31 provided on the rear side. For this reason, when the lid 25 is opened, the lid 25 is automatically opened by the tension pressure of the spring 31 by removing the engagement hook 29 at the upper end of the column 28.

また、この蓋25を閉動するときは、前記スプリング31の張圧力に抗して手動で閉鎖回動して、係合フック29を係合させて支柱28上に係合固定させることができる。このような蓋25を開閉回動するためのスプリング31の張圧力を調節するときは、前記スプリング31の先端部の係止位置を施肥ホッパ18の側壁外側面に形成している係合孔32に選択して掛け替えることによって、蓋25の開閉回動状態を適宜調節することができる。   Further, when the lid 25 is closed, it can be manually closed against the tension pressure of the spring 31 and engaged and fixed on the column 28 by engaging the engagement hook 29. . When the tension pressure of the spring 31 for opening and closing the lid 25 is adjusted, the engagement hole 32 is formed in the outer surface of the side wall of the fertilizer hopper 18 at the locking position of the tip of the spring 31. By selecting and swapping, the opening / closing rotation state of the lid 25 can be appropriately adjusted.

前記蓋25は、合成樹脂製の薄い板材形態に成形されて、外周部に適宜深さに起立形成された蓋縁を有して、施肥ホッパ18上端部のホッパ口23の外周縁部に嵌合するように形成している。   The lid 25 is formed in the form of a thin plate made of synthetic resin, has a lid edge that is erected to an appropriate depth on the outer periphery, and is fitted to the outer peripheral edge of the hopper port 23 at the upper end of the fertilizer hopper 18. It is formed to match.

また、この蓋25の形態は、リヤフロア8上面を横方向にそって並列配置の全施肥ホッパ18のホッパ口23幅に亘って広幅の単一枚板形態に形成しているが、このホッパ18横幅の中央部から左右両側部の二枚板形態に分離形成して、リヤフロア8の左右両端部側から各別に開閉操作できるように構成することもできる。この形態では、蓋25の開閉を行う係合フック29を有した支柱28をリヤフロア8幅の中央部位置にも配置することができる。   Further, the form of the lid 25 is formed in a wide single sheet form over the width of the hopper port 23 of all fertilizer hoppers 18 arranged in parallel along the upper surface of the rear floor 8. It can also be configured so that it can be separately opened and closed from the left and right end portions of the rear floor 8 by separating and forming in the form of two plates on the left and right sides from the center of the width. In this embodiment, the support column 28 having the engagement hook 29 for opening and closing the lid 25 can be disposed at the center position of the rear floor 8 width.

前記蓋25の上面部に形成する補強バー26は、左右両端部を側壁27面よりも外側へ突出させて、支柱28上端部の係合フック29の係合作用を受け易く構成している。
前記リヤフロア8の上面部に適宜角度域前後回動自在に支柱28を、横方向の支軸36で支持して、この支軸36周りに設けたスプリング65によって後方へ回動するように付勢している。この支軸36の左右両端部には前側ペダル35を突出させて設け、このペダル35を踏込ことによって、スプリング65に抗して支柱28を前側へ回動することができる。左右のペダル35の支軸36は、リヤフロア8の左右横幅方向に沿って長く形成された一本の支軸36として、一体的に踏込回動可能の形態とすることもできる。
The reinforcing bar 26 formed on the upper surface portion of the lid 25 is configured such that both left and right end portions protrude outward from the side wall 27 surface so that the engaging hook 29 at the upper end portion of the column 28 is easily engaged.
The support column 28 is supported on the upper surface of the rear floor 8 so as to be freely pivotable back and forth in an appropriate angular range, and is urged to rotate backward by a spring 65 provided around the support shaft 36. doing. A front pedal 35 is provided at both left and right ends of the support shaft 36 so as to protrude, and the strut 28 can be rotated forward against the spring 65 by stepping on the pedal 35. The support shafts 36 of the left and right pedals 35 may be configured so as to be able to be stepped and rotated integrally as a single support shaft 36 formed long along the left and right lateral width direction of the rear floor 8.

前記支柱28は上端部に係合フック29、及びカム面68を形成して、閉蓋23の補強バー26の左右両端部を係合して、閉蓋23状態を保持することができる。又、この形態に代えて、補強バー26の上端部に前後回動可能の係合フック29(図面省略)を設けて、この蓋25を閉鎖操作することによって、前記補強バー26の側端部69を摺接させるカム面68を形成して回動されて、この側端部69を係合させる係合フック29を設けると共に、この係合フック29を前記ペダル35の踏込操作により連動して、前規則端部69との係合を外すように構成することもできる。   The support column 28 is formed with an engagement hook 29 and a cam surface 68 at the upper end portion, and the left and right end portions of the reinforcing bar 26 of the closing lid 23 can be engaged to maintain the closed lid 23 state. Further, instead of this form, an engagement hook 29 (not shown) that can be rotated back and forth is provided at the upper end of the reinforcing bar 26, and the lid 25 is closed so that the side end of the reinforcing bar 26 is closed. A cam surface 68 is formed to slidably contact 69 and is rotated to provide an engagement hook 29 for engaging the side end 69, and the engagement hook 29 is interlocked by a stepping operation of the pedal 35. The engagement with the front regular end 69 can also be removed.

前記蓋25をヒンジ24周りに前側回動してホッパ口23を閉鎖するときは、支軸36周りに後側へ回動している支柱28の上端部に形成している傾斜案内面を形成するカム面68を、蓋25の前端縁部に固定している補強バー26の左右両側端部69が摺接して、この支柱28をスプリング63に抗して前側へ回動して、これら側端部69を係合フック29に係合されると、支柱28がスプリング63の張圧力により後側へ復帰回動させているため、ペダル35を踏まない限り蓋25の開動が係止保持される。   When the lid 25 is pivoted forward about the hinge 24 to close the hopper port 23, an inclined guide surface is formed on the upper end of the column 28 pivoted rearward around the support shaft 36. The left and right ends 69 of the reinforcing bar 26 that fixes the cam surface 68 that is fixed to the front edge of the lid 25 are in sliding contact with each other, and the column 28 is rotated against the spring 63 to the front, When the end portion 69 is engaged with the engagement hook 29, the support column 28 is rotated backward by the tension pressure of the spring 63, so that the opening of the lid 25 is locked and held unless the pedal 35 is depressed. The

次に、図13において、前記残留肥料取出口42部側の施肥ホッパ18の外側部に設ける排出レバー70の構成に係り、残留肥料の取出排出するために操作する。この排出レバー70は、硬質合成樹脂材、乃板金材等から成形して、繰返し屈伸可能の屈折部71を形成して、基部72に対して先端側グリップ部73を把持して、板幅方向へ操作することによって基部72側を連結した連動軸等を回動することができる。従って、この排出レバー70を操作するときは、グリップ部73を基部72に対して直杆状に伸すか、横側へ直交状に屈折させるAことによって、回動操作を行い易くし、収納するときはグリップ部73を内側へ折畳むように鋭角状にするBことができる。   Next, in FIG. 13, the operation is performed to take out and discharge the residual fertilizer according to the configuration of the discharge lever 70 provided on the outer side of the fertilizer hopper 18 on the side of the residual fertilizer outlet 42. The discharge lever 70 is formed of a hard synthetic resin material, a sheet metal material, or the like to form a bending portion 71 that can be bent and stretched repeatedly. The interlocking shaft etc. which connected the base 72 side can be rotated by operating to. Therefore, when operating the discharge lever 70, the grip portion 73 is straightened with respect to the base portion 72, or is refracted orthogonally to the lateral side, thereby facilitating the rotation operation and storing. In some cases, the grip portion 73 can be bent at an acute angle so as to be folded inward.

次に、主として、図14において、苗植付部16の左右両側部に設ける線引きマーカに係り、マーカアーム80の先端部に、回転自在のマーカ輪81を設ける。このマーカ輪81の外周に配設のラグ82に泥抜穴83を形成して、泥土面との接触抵抗を軽減して、泥土や、わら屑等の付着、付き周り等を防止するものである。   Next, mainly in FIG. 14, the marker marker 81 is provided with a rotatable marker ring 81 at the distal end portion of the marker arm 80 in connection with the drawing markers provided on the left and right sides of the seedling planting portion 16. A mud hole 83 is formed in the lug 82 provided on the outer periphery of the marker ring 81 to reduce contact resistance with the mud surface, and prevent adhesion of mud, straw debris, etc. is there.

1 エンジンカバー
2 運転席
3 前輪
4 ステアリングハンドル
5 サイドフロア
6 後輪
7 フェンダー
8 リヤフロア
9 車体
10 センタフロート
11 サイドフロート
12 苗植フレーム
13 苗取口部
14 苗タンク
15 植付装置
16 苗植付部
17 リフトリンク
18 施肥ホッッパー
19 繰出装置
20 施肥ブロアー
21 施肥ホース
22 施肥装置
23 ホッッパー口
24 ヒンジ
25 蓋
26 補強バー
27 側壁
28 支柱
29 係合フック
30 サイドアーム
31 スプリング
32 係合孔
33 ヒンジバー
34 蓋枠
35 ペダル
36 支軸
37 エンジンルーム
38 排風路
39 排風カバー
40 吸気口
41 吸気ダクト
42 残留肥料取出口
43 排出口
44 取出ダクト
45 切替弁
46 吸気口
DESCRIPTION OF SYMBOLS 1 Engine cover 2 Driver's seat 3 Front wheel 4 Steering handle 5 Side floor 6 Rear wheel 7 Fender 8 Rear floor 9 Car body 10 Center float 11 Side float 12 Seedling frame 13 Seedling part 14 Seedling tank 15 Planting device 16 Seedling part 17 Lift Link 18 Fertilizer Hopper 19 Feeder 20 Fertilizer Blower 21 Fertilizer Hose 22 Fertilizer 23 Hopper Port 24 Hinge 25 Lid 26 Reinforcement Bar 27 Side Wall 28 Post 29 Engagement Hook 30 Side Arm 31 Spring 32 Engagement Hole 33 Hinge Bar 34 Lid Bar 34 35 Pedal 36 Support shaft 37 Engine room 38 Exhaust passage 39 Exhaust cover 40 Inlet 41 Intake duct 42 Residual fertilizer outlet 43 Outlet 44 Extraction duct 45 Switching valve 46 Inlet

Claims (6)

走行車体(9)の後部に、苗を積載する苗タンク(14)と、該苗タンク(14)から苗を取って圃場に植え付ける植付装置(15)からなる苗植付部(16)を昇降自在に設け、前記走行車体(9)の後側上部に後部フロア(8)を設け、
該後部フロア(8)の上側に肥料を貯留する施肥ホッパ(18)を設け、該施肥ホッパ(18)の下部には、肥料を繰り出す繰出装置(19)と、該繰出装置(19)から繰り出された肥料を送風搬送する施肥ブロワ(20)と、該施肥ブロワ(20)によって送風搬送される肥料を圃場に案内する施肥ホース(21)を設け、
前記施肥ホッパ(18)の上側ホッパ口(23)に蓋(25)を回動自在に設け、該蓋(25)の前縁部で且つ、前記施肥ホッパ(18)の左右の側壁(27,27)に亘って補強バー(26)を設け、該左右の側壁(27,27)の前側部には、前記後部フロア(8)から立設する左右の支柱(28,28)を各々設け、該左右の支柱(28,28)の上端部に前記補強バー(26)の左右両側部を支持すると共に、前記蓋(25)を開閉可能とする係合部材(29)を設けたことを特徴とする苗移植機の施肥装置。
A seedling planting part (16) comprising a seedling tank (14) for loading seedlings and a planting device (15) for taking seedlings from the seedling tank (14) and planting them in the field at the rear of the traveling vehicle body (9). Provided up and down freely, provided a rear floor (8) on the upper rear side of the traveling vehicle body (9),
A fertilizer hopper (18) for storing fertilizer is provided on the upper side of the rear floor (8), and the lower portion of the fertilizer hopper (18) is fed from a fertilizer feeding device (19) and from the feeding device (19). A fertilizer blower (20) for blowing and conveying the fertilizer, and a fertilizer hose (21) for guiding the fertilizer blown and conveyed by the fertilizer blower (20) to the field,
A lid (25) is rotatably provided at the upper hopper port (23) of the fertilizer application hopper (18), and the front edge of the lid (25) and the left and right side walls (27, 27) of the fertilizer hopper (18) are provided. 27), reinforcing bars (26) are provided, and left and right support columns (28, 28) are provided on the front side portions of the left and right side walls (27, 27), respectively, and are erected from the rear floor (8). An engaging member (29) that supports the left and right sides of the reinforcing bar (26) and that can open and close the lid (25) is provided at the upper ends of the left and right columns (28, 28). Fertilizer application for seedling transplanter.
前記蓋(25)の左右両側端部には、前記左右の側壁(27,27)の外側に各々沿う左右のサイドアーム(30,30)を開閉回動自在に設け、該左右のサイドアーム(30,30)と前記左右の側壁(27,27)の外側壁の間に、前記蓋(25)を開動させるスプリング(31)を設け、該スプリング(31)の張圧力を変更自在に構成したことを特徴とする請求項1に記載の苗移植機の施肥装置。   Left and right side arms (30, 30) that respectively extend along the outside of the left and right side walls (27, 27) are provided at the left and right end portions of the lid (25) so as to be openable and closable. 30, 30) and the left and right side walls (27, 27) are provided with a spring (31) for opening the lid (25), and the tension pressure of the spring (31) can be changed freely. The fertilizer application of the seedling transplanter of Claim 1 characterized by the above-mentioned. 前記係合部材(29)を左右の支柱(28,28)に設け、該左右の支柱(28,28)を前後回動操作するペダル(35)を設け、該ペダル(35)を操作すると閉鎖位置の補強バー(26)から係合部材(29)が外れ、前記蓋(25)が開動可能となることを特徴とする請求項1または2に記載の苗移植機の施肥装置。   The engaging member (29) is provided on the left and right struts (28, 28), a pedal (35) for rotating the left and right struts (28, 28) is provided, and the pedal (35) is closed when operated. The fertilizer application device for a seedling transplanter according to claim 1 or 2, wherein the engaging member (29) is detached from the reinforcing bar (26) at a position, and the lid (25) can be opened. 前記係合部材(29)を設けた左右の支柱(28,28)の下端部を前記後部フロア(8)の左右両側部で且つ前部位置に設け、前記左右の支柱(28,28)を左右両側部に亘って軸架する支軸(36)の両端部に固定して一体回動するように構成し、該支軸(36)の左右両側部位置に前記ペダル(35)を設けたことを特徴とする請求項1から3のいずれか1項に記載の苗移植機の施肥装置。   The lower ends of the left and right struts (28, 28) provided with the engaging member (29) are provided on both the left and right sides of the rear floor (8) at the front position, and the left and right struts (28, 28) are provided. The support shaft (36) is fixed to both ends of the support shaft (36) that spans the left and right sides, and is configured to rotate integrally. The pedal (35) is provided at the left and right side positions of the support shaft (36). The fertilizer application of the seedling transplanter of any one of Claim 1 to 3 characterized by the above-mentioned. 前記エンジンルーム(37)の後側の排出風路(38)と、該エンジンルーム(37)の後側の後輪(6,6)との間を仕切って排風案内する排風カバー(39)を設け、該排出風路(38)の上側部に前記施肥ブロア(20)に連通する吸気ダクト(41)の吸気口(40)を連通して、前記排出風路(38)の熱風を施肥ブロア(20)に吸引して取り込む構成としたことを特徴とする請求項1から4のいずれか1項に記載の苗移植機の施肥装置。   An exhaust cover (39) that guides the exhaust by partitioning between the exhaust air passage (38) on the rear side of the engine room (37) and the rear wheels (6, 6) on the rear side of the engine room (37). ) And the intake port (40) of the intake duct (41) communicating with the fertilizer blower (20) is communicated with the upper portion of the exhaust air passage (38), and the hot air of the exhaust air passage (38) is The fertilizer application of the seedling transplanter according to any one of claims 1 to 4, wherein the fertilizer blower (20) is configured to be sucked and taken in. 前記繰出装置(19)の下部には、前記施肥ブロア(20)からの送風によりこの各残留肥料取出口(42)から取り出される肥料を受けて排出口(43)へ取出搬送する取出ダクト(44)と、前記施肥ブロア(20)の吸気ダクト(41)の途中部を前記排出風路(38)に連通させると共に、先端部の吸気口(46)を前記取出ダクト(44)の取出口(43)の上部位置に臨ませる吸気ダクト(41)を配置し、該吸気ダクト(41)の排出風路(38)の連通位置に切替弁(45)を設け、通常施肥作業状態時には前記排出風路(38)から熱風を吸引案内し、残留肥料取出状態時には前記吸気口(46)から外気を吸引する状態に切り替えることを特徴とする請求項5に記載の苗移植機の施肥装置。   At the lower part of the feeding device (19), an extraction duct (44) for receiving fertilizer taken out from each residual fertilizer outlet (42) by blowing from the fertilizer application blower (20) and taking it out to the discharge port (43). ) And a midway portion of the intake duct (41) of the fertilizer application blower (20) communicated with the exhaust air passage (38), and an intake port (46) at a tip end portion of the intake duct (44) 43), an intake duct (41) facing the upper position is disposed, and a switching valve (45) is provided at a communication position of the exhaust air passage (38) of the intake duct (41). The fertilizer application device for a seedling transplanter according to claim 5, wherein hot air is sucked and guided from the passage (38), and when the residual fertilizer is taken out, the air is sucked into the outside (46).
JP2013271113A 2013-12-27 2013-12-27 Fertilizing device of seedling transplanting machine Pending JP2015123045A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107041192A (en) * 2017-06-02 2017-08-15 南京信息工程大学 A kind of efficient fertilizing equipment

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107041192A (en) * 2017-06-02 2017-08-15 南京信息工程大学 A kind of efficient fertilizing equipment

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