JP3266775B2 - Seedling stand - Google Patents
Seedling standInfo
- Publication number
- JP3266775B2 JP3266775B2 JP30205895A JP30205895A JP3266775B2 JP 3266775 B2 JP3266775 B2 JP 3266775B2 JP 30205895 A JP30205895 A JP 30205895A JP 30205895 A JP30205895 A JP 30205895A JP 3266775 B2 JP3266775 B2 JP 3266775B2
- Authority
- JP
- Japan
- Prior art keywords
- vertical feed
- belt
- seedling
- feed belt
- seedling mounting
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Expired - Fee Related
Links
Landscapes
- Transplanting Machines (AREA)
Description
【０００１】[0001]
【発明の属する技術分野】本発明は、乗用型田植機、歩
行型田植機等に設けられる苗載台の技術分野に属するも
のである。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention belongs to the technical field of a seedling table provided in a riding type rice transplanter, a walking type rice transplanter and the like.
【０００２】[0002]
【従来の技術】一般に、田植機に設けられる苗載台にお
いては、各条ごとに仕切られた苗載面に、縦送り機構の
組込孔を形成し、該組込孔の上下両端部に組込まれる縦
送りローラ間に、縦送りベルトを懸回しているが、縦送
りベルトは、苗荷重を受けて撓む可能性があるため、前
記組込孔の左右両側部に、縦送りベルトの裏面側左右両
側部を受止めガイドするベルト受け片を延設している。2. Description of the Related Art Generally, in a seedling mounting table provided in a rice transplanter, a vertical feed mechanism mounting hole is formed in a seedling mounting surface partitioned for each strip, and the upper and lower ends of the mounting hole are formed on the seedling mounting surface. Although the vertical feed belt is suspended between the vertical feed rollers to be incorporated, the vertical feed belt may bend under the seedling load. A belt receiving piece for receiving and guiding the left and right sides on the back side is extended.
【０００３】[0003]
【発明が解決しようとする課題】しかるに従来では、図
６に示す様に、縦送りベルトの裏面に形成される凸部の
先端面を、一段低く形成したベルト受け片で摺動ガイド
するようにしていたため、ベルト受け片とベルト裏面と
が離間して十分なガイド作用を発揮することができず、
その結果、依然として縦送りベルトが撓んで苗送り性能
を低下させる可能性があった。Conventionally, however, as shown in FIG. 6, the leading end surface of a convex portion formed on the back surface of a longitudinal feed belt is slidably guided by a belt receiving piece formed one step lower. As a result, the belt receiving piece and the back side of the belt are separated from each other and cannot exert a sufficient guiding action,
As a result, there is a possibility that the vertical feed belt is still bent and the seedling feed performance is reduced.
【０００４】[0004]
【課題を解決するための手段】本発明は、上記の如き実
情に鑑みこれらの課題を解決することができる苗載台を
提供することを目的として創作されたものであって、各
条ごとに仕切られた苗載面に、縦送り機構の組込孔を形
成し、該組込孔の上下両端部に組込まれる縦送りローラ
間に、縦送りベルトを懸回してなる苗載台において、前
記縦送りベルトの裏面側左右両側部に形成される凸部
を、組込孔の左右両側部に延設されるベルト受け片でガ
イドするにあたり、左右のベルト受け片に、縦送りベル
トの凸部が入り込む凹溝状のガイド溝を形成すると共
に、左右のベルト受け片同志を別体のプレート部材で連
結したものである。つまり、縦送りベルトの凸部を凹溝
状のガイド溝に入り込ませるため、ベルト受け片全体が
相対的に縦送りベルトの裏面に近接することになり、こ
の結果、縦送りベルトの撓みを防止して苗送り性能を向
上させることができる。しかも、ベルト受け片の撓み強
度を高めることができるため、ベルト受け片自身の撓み
による苗送り性能の低下を防止することができる。 SUMMARY OF THE INVENTION The present invention has been made for the purpose of providing a seedling mounting table which can solve these problems in view of the above-mentioned circumstances. In a seedling mounting surface formed by forming a mounting hole of a vertical feeding mechanism on the partitioned seedling mounting surface, and between vertical feeding rollers installed at upper and lower ends of the mounting hole, a vertical feeding belt is suspended. In guiding the convex portions formed on the left and right sides on the back side of the vertical feed belt with the belt receiving pieces extending on the left and right sides of the mounting hole, the convex portions of the vertical feed belt are provided on the left and right belt receiving pieces. When forming a concave groove-shaped guide groove into which
The left and right belt receivers are connected with separate plate members.
It is tied. In other words, since the convex portion of the vertical feed belt is inserted into the groove-shaped guide groove, the entire belt receiving piece is relatively close to the back surface of the vertical feed belt, thereby preventing the vertical feed belt from bending. And the seedling feeding performance can be improved. Moreover, the bending strength of the belt receiving piece
The belt receiving piece itself
This can prevent the seedling feeding performance from deteriorating.
【０００５】[0005]
【０００６】[0006]
【発明の実施の形態】次に、本発明の実施の形態の一つ
を図面に基づいて説明する。図面において、１は乗用型
田植機の後部に昇降リンク機構２を介して連結される植
付部であって、該植付部１は、昇降リンク機構２の後端
部に連結される植付部ホルダ３、該植付部ホルダ３にロ
ーリング自在に連結される植付部フレーム４、該植付部
フレーム４に一体的に組付けられるドライブケース５、
該ドライブケース５から後方に突出する複数のプランタ
ケース６、各プランタケース６に設けられる植付爪７、
前記植付部フレーム４およびドライブケース５に左右ス
ライド自在に支持されるマット苗方式の苗載台８、前記
プランタケース６の下部に上下揺動自在に設けられるフ
ロート９等で構成されている。つまり、植付部１を作動
させると、植付爪７が苗載台８の下端部から植付単位の
苗株を掻取り、この掻取った苗株を田面に植付ける一
方、マット苗が載置される苗載台８は、植付爪７の掻取
タイミングに合わせて左右往復状に横送りされるが、こ
れらの基本構成は何れも従来通りである。Next, one embodiment of the present invention will be described with reference to the drawings. In the drawings, reference numeral 1 denotes a planting portion connected to a rear portion of a riding type rice transplanter via a lifting link mechanism 2, and the planting portion 1 is connected to a rear end of the lifting link mechanism 2. A portion holder 3, a planting portion frame 4 that is rotatably connected to the planting portion holder 3, a drive case 5 that is integrally assembled to the planting portion frame 4,
A plurality of planter cases 6 projecting rearward from the drive case 5, planting claws 7 provided on each planter case 6,
The planting section frame 4 and the drive case 5 are slidably supported left and right so as to be slidable left and right, and include a seedling mounting table 8 of a mat seedling type, and a float 9 which is provided below the planter case 6 so as to be vertically swingable. That is, when the planting unit 1 is operated, the planting claws 7 scrape the seedlings of the planting unit from the lower end of the seedling mounting table 8 and plant the scraped seedlings on the rice field, while the mat seedlings The seedling mounting table 8 to be placed is laterally fed back and forth in a reciprocating manner in synchronization with the timing of scraping the planting claws 7.
【０００７】前記苗載台８は、各条の苗載面を形成する
複数の苗載台プレート１０と、苗載面を各条ごとに仕切
る複数の仕切リブ１１とを交互に連結して形成されてい
る。そして、植付部１に前高後低状の傾斜姿勢で組付け
られた苗載台８は、苗載面に載置されたマット苗を傾斜
に沿って後方下方へ滑り搬送することになるが、苗載台
プレート１０の下端部手前側には、後述する縦送り機構
１２を組込むための組込孔１０ａが形成されている。The seedling mounting table 8 is formed by alternately connecting a plurality of seedling mounting plates 10 for forming the seedling mounting surface of each row and a plurality of partition ribs 11 for partitioning the seedling mounting surface for each row. Have been. Then, the seedling mounting table 8 assembled to the planting section 1 in a front-to-back and rear-to-bottom inclined posture slides and transports the mat seedling placed on the seedling mounting surface downward and downward along the slope. However, an installation hole 10a for installing a later-described vertical feed mechanism 12 is formed on the near side of the lower end portion of the seedling mounting plate 10.
【０００８】前記縦送り機構１２は、組込孔１０ａの上
下両端部に左右方向を向いて組込まれる上下の縦送りロ
ーラ１３と、上下の縦送りローラ１３間に懸回される縦
送りベルト１４と、縦送りレバー１５の叩き上げ作動に
伴って下側の縦送りローラ１３を所定量だけ回動させる
縦送り作動機構（図示せず）とを備えている。つまり、
苗載台８が横送り反転位置に達した際、ドライブケース
５側に組込まれる縦送り駆動機構（図示せず）が前記縦
送りレバー１５を叩き上げ、これにより縦送りベルト１
４が縦送り作動してマット苗を所定量だけ強制縦送りす
ることになるが、前記縦送りベルト１４の裏面側左右両
側部に凸部１４ａを形成し、該凸部１４ａを縦送りロー
ラ１３の凹溝（図示せず）に係合させてベルト外れを規
制している。The vertical feed mechanism 12 includes an upper and lower vertical feed roller 13 which is installed in the upper and lower ends of the mounting hole 10a in a left-right direction, and a vertical feed belt 14 suspended between the upper and lower vertical feed rollers 13. And a vertical feed operation mechanism (not shown) for rotating the lower vertical feed roller 13 by a predetermined amount in accordance with the vertical feed lever 15 flipping up operation. That is,
When the seedling mounting table 8 reaches the horizontal feed reversing position, a vertical feed drive mechanism (not shown) incorporated in the drive case 5 knocks up the vertical feed lever 15, whereby the vertical feed belt 1 is moved.
4 forcibly feeds the mat seedling by a predetermined amount by the vertical feed operation. Convex portions 14a are formed on the left and right sides on the back side of the vertical feed belt 14, and the convex portions 14a are The belt is prevented from coming off by engaging with a concave groove (not shown).
【０００９】一方、１０ｂは前記組込孔１０ａの左右両
側部から孔中心に向けて延設されるベルト受け片であっ
て、該ベルト受け片１０ｂは、縦送りベルト１４の裏面
側左右両側部を受止め支持することによって、縦送りベ
ルト１４の撓みに伴う苗送り性能の低下を防ぐが、左右
のベルト受け片１０ｂには、前記凸部１４ａが入り込む
凹溝状のガイド溝１０ｃが形成されている。即ち、縦送
りベルト１４の凸部１４ａをガイドする部位を低くする
一方、他の部位を高くして縦送りベルト１４の裏面に近
接させることができるため、縦送りベルト１４の撓みを
効果的に防止することができるようになっている。On the other hand, reference numeral 10b denotes a belt receiving piece extending from both left and right sides of the mounting hole 10a toward the center of the hole. The support of the vertical feed belt 14 prevents the seedling feeding performance from being lowered due to the bending of the vertical feed belt 14, but the left and right belt receiving pieces 10b are formed with concave guide grooves 10c into which the convex portions 14a enter. ing. That is, while the portion guiding the convex portion 14a of the vertical feed belt 14 is lowered, the other portions are raised to be close to the back surface of the vertical feed belt 14, so that the bending of the vertical feed belt 14 is effectively reduced. Can be prevented.
【００１０】また、本実施形態では、前記ガイド溝１０
ｃの深さ寸法Ｌ２を、凸部１４ａの突出寸法Ｌ１よりも
大きく設定している。つまり、ベルト受け片１０ｂを縦
送りベルト１４の裏面に直接接触させることができるた
め、縦送りベルト１４の撓み防止効果を一層高めること
ができるようになっている。In this embodiment, the guide groove 10
The depth L2 of c is set to be larger than the protrusion L1 of the protrusion 14a. That is, since the belt receiving piece 10b can be brought into direct contact with the back surface of the vertical feed belt 14, the effect of preventing the vertical feed belt 14 from bending can be further enhanced.
【００１１】さらに、１６は連結プレートであって、該
連結プレート１６は、縦送りベルト１４の組込み後、左
右のベルト受け片１０ｂ間に架設状に組付けられるもの
であり、このため、ベルト受け片１０ｂ自身を強度アッ
プし、ベルト受け片１０ｂ自身の撓みによる苗送り性能
の低下を防止することができるようになっている。Reference numeral 16 denotes a connecting plate. The connecting plate 16 is assembled between the left and right belt receiving pieces 10b after the longitudinal feed belt 14 is assembled. The strength of the piece 10b itself can be increased, and a decrease in the seedling feeding performance due to the bending of the belt receiving piece 10b itself can be prevented.
【００１２】叙述の如く構成されたものにおいて、苗載
台プレート１０に形成される組込孔１０ａの左右両側部
に、縦送りベルト１４の裏面側左右両側部を受止め支持
するベルト受け片１０ｂを延設したものであるが、左右
のベルト受け片１０ｂには、縦送りベルト１４の凸部１
４ａが入り込む凹溝状のガイド溝１０ｃが形成されてい
るため、ベルト受け片１０ｂ全体（ガイド溝１０ｃを除
く）を高くして縦送りベルト１４の裏面に近接させるこ
とができ、この結果、縦送りベルト１４の撓みを効果的
に防止して苗送り性能の向上を計ることができる。In the construction as described above, a belt receiving piece 10b for receiving and supporting the left and right sides on the back side of the vertical feed belt 14 is provided on the left and right sides of the mounting hole 10a formed in the seedling mounting plate 10. The left and right belt receiving pieces 10b are provided with convex portions 1 of the vertical feed belt 14.
Since the concave groove-shaped guide groove 10c into which the groove 4a enters is formed, the entire belt receiving piece 10b (excluding the guide groove 10c) can be raised to be close to the back surface of the vertical feed belt 14, and as a result, the vertical The bending of the feed belt 14 can be effectively prevented, and the seedling feeding performance can be improved.
【００１３】しかも、前記ガイド溝１０ｃの深さ寸法Ｌ
２を、凸部１４ａの突出寸法Ｌ１よりも大きく設定して
いるため、ベルト受け片１０ｂを縦送りベルト１４の裏
面に直接接触させることができ、このため、縦送りベル
ト１４の撓み防止効果を一層高めることができる。In addition, the depth dimension L of the guide groove 10c
2 is set to be larger than the protrusion dimension L1 of the convex portion 14a, so that the belt receiving piece 10b can be brought into direct contact with the back surface of the vertical feed belt 14, so that the effect of preventing the vertical feed belt 14 from being bent is reduced. Can be further enhanced.
【００１４】さらに、縦送りベルト１４の組込み後、左
右のベルト受け片１０ｂを別体の連結プレート１６で連
結するため、ベルト受け片１０ｂ自身の撓みも防止する
ことができ、この結果、ベルト受け片１０ｂの撓みによ
る苗送り性能の低下を防止することができる。Further, after the vertical feed belt 14 is assembled, the left and right belt receiving pieces 10b are connected by the separate connecting plate 16, so that the belt receiving piece 10b itself can be prevented from being bent. It is possible to prevent a decrease in seedling feeding performance due to the bending of the piece 10b.
【００１５】尚、本発明は、前記実施形態に限定されな
いものであることは勿論であって、例えば連結プレート
１６を、図５に示す様な断面形状に形成にしてもよい。
つまり、連結プレート１６の中間部に、ベルト受け片１
０ｂと面一になる凸部１６ａを形成したものであるが、
このものでは、前記凸部１６ａが縦送りベルト１４の裏
面を受止めるため、連結プレート１６をベルト受け部材
に兼用して縦送りベルト１４の撓み防止効果をさらに高
めることができる。The present invention is, of course, not limited to the above-described embodiment. For example, the connecting plate 16 may be formed in a sectional shape as shown in FIG.
That is, the belt receiving piece 1 is provided at the intermediate portion of the connecting plate 16.
0b is formed as a convex portion 16a,
In this case, since the convex portion 16a receives the back surface of the vertical feed belt 14, the effect of preventing the vertical feed belt 14 from bending can be further enhanced by using the connecting plate 16 as a belt receiving member.
【図１】乗用型田植機の側面図である。FIG. 1 is a side view of a riding type rice transplanter.
【図２】植付部の斜視図である。FIG. 2 is a perspective view of a planting section.
【図３】苗載台プレートの要部平面図である。FIG. 3 is a plan view of a main part of a seedling mounting plate.
【図４】同上断面図である。FIG. 4 is a sectional view of the same.
【図５】他例を示す同上断面図である。FIG. 5 is a sectional view of the same example showing another example.
【図６】従来例を示す同上断面図である。FIG. 6 is a sectional view of the same example showing a conventional example.
８ 苗載台 １０ 苗載台プレート １０ａ 組込孔 １０ｂ ベルト受け片 １０ｃ ガイド溝 １１ 仕切リブ １２ 縦送り機構 １３ 縦送りローラ １４ 縦送りベルト １４ａ 凸部 １６ 連結プレート Reference Signs List 8 seedling mounting table 10 seedling mounting plate 10a assembling hole 10b belt receiving piece 10c guide groove 11 partition rib 12 vertical feed mechanism 13 vertical feed roller 14 vertical feed belt 14a convex part 16 connection plate
───────────────────────────────────────────────────── フロントページの続き (58)調査した分野(Int.Cl.7，ＤＢ名) A01C 11/02 ──────────────────────────────────────────────────続 き Continued on the front page (58) Field surveyed (Int.Cl. 7 , DB name) A01C 11/02
Claims (1)
機構の組込孔を形成し、該組込孔の上下両端部に組込ま
れる縦送りローラ間に、縦送りベルトを懸回してなる苗
載台において、前記縦送りベルトの裏面側左右両側部に
形成される凸部を、組込孔の左右両側部に延設されるベ
ルト受け片でガイドするにあたり、左右のベルト受け片
に、縦送りベルトの凸部が入り込む凹溝状のガイド溝を
形成すると共に、左右のベルト受け片同志を別体のプレ
ート部材で連結した苗載台。An installation hole for a vertical feed mechanism is formed on a seedling mounting surface partitioned for each strip, and a vertical feed belt is suspended between vertical feed rollers installed at upper and lower ends of the installation hole. In the rotating seedling mounting table, when the convex portions formed on the left and right side portions on the back side of the vertical feed belt are guided by the belt receiving pieces extending on the left and right side portions of the mounting hole, the left and right belt receiving portions are guided. On one side, a groove-shaped guide groove into which the convex part of the vertical feed belt enters is formed , and the left and right belt receiving
Seedling platform connected by a plate member .
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30205895A JP3266775B2 (en) | 1995-10-26 | 1995-10-26 | Seedling stand |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP30205895A JP3266775B2 (en) | 1995-10-26 | 1995-10-26 | Seedling stand |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH09117213A JPH09117213A (en) | 1997-05-06 |
| JP3266775B2 true JP3266775B2 (en) | 2002-03-18 |
Family
ID=17904415
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP30205895A Expired - Fee Related JP3266775B2 (en) | 1995-10-26 | 1995-10-26 | Seedling stand |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP3266775B2 (en) |
-
1995
- 1995-10-26 JP JP30205895A patent/JP3266775B2/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| JPH09117213A (en) | 1997-05-06 |
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