JP2726360B2 - Riding work machine - Google Patents
Riding work machineInfo
- Publication number
- JP2726360B2 JP2726360B2 JP12093492A JP12093492A JP2726360B2 JP 2726360 B2 JP2726360 B2 JP 2726360B2 JP 12093492 A JP12093492 A JP 12093492A JP 12093492 A JP12093492 A JP 12093492A JP 2726360 B2 JP2726360 B2 JP 2726360B2
- Authority
- JP
- Japan
- Prior art keywords
- fixed
- rear cover
- fuselage
- steering handle
- support
- 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 - Lifetime
Links
Landscapes
- Transplanting Machines (AREA)
- Steering Controls (AREA)
Description
【0001】[0001]
【産業上の利用分野】本発明は、田植機等の乗用型作業
機に関し、詳しくは、乗用型作業機の操縦操作部の改良
に関する。BACKGROUND OF THE INVENTION 1. Field of the Invention The present invention relates to a riding type working machine such as a rice transplanter, and more particularly, to an improvement in a steering operation section of a riding type working machine.
【0002】[0002]
【従来の技術】上記乗用型作業機において、従来では、
ステアリングハンドルの横側に変速レバーを配置する構
成では、機体フレームに支持固定されたステアリングハ
ンドルポストから支持ステーを延設し、このステーにボ
ンネット後部カバーを取付け固定し、この機体固定状態
のボンネット後部カバーに変速レバーの操作ガイド部材
を取付ける構成が考えられた。2. Description of the Related Art In the above-mentioned riding type working machine, conventionally,
In the configuration in which the speed change lever is arranged on the side of the steering handle, a support stay is extended from the steering handle post supported and fixed to the fuselage frame, and a hood rear cover is attached and fixed to this stay. A configuration was considered in which the operation guide member of the transmission lever was attached to the cover.
【0003】[0003]
【発明が解決しようとする課題】ところが、上記従来構
造では、運転部ステップの前壁部を構成する広幅のボン
ネット後部カバーを強度部材として構成する必要があ
り、金属材等の強固な材質で構成するため大重量化を招
く弊害があり、又、操作レバーの操作ガイド部材を組付
けするための専用のブラケット等も必要で部品点数が多
くなり、改善の余地があった。本発明は上記不具合点を
解消することを目的としている。However, in the above-mentioned conventional structure, it is necessary to form a wide bonnet rear cover constituting the front wall portion of the driving unit step as a strength member, and is made of a strong material such as a metal material. As a result, there is a problem that the weight is increased, and a dedicated bracket or the like for assembling the operation guide member of the operation lever is also required, so that the number of parts is increased and there is room for improvement. An object of the present invention is to eliminate the above disadvantages.
【0004】[0004]
【課題を解決するための手段】本発明の特徴構成は、機
体フレームに支持固定されたステアリングハンドルポス
トの途中部から機体横方向に支持ステーを固定延設し、
この支持ステーに、変速操作レバーの操作ガイド部材
と、機体に位置固定状態のボンネット後部カバーを共締
め連結してある点にある。A feature of the present invention is that a support stay is fixedly extended in a lateral direction of the fuselage from an intermediate portion of a steering handle post supported and fixed to a fuselage frame,
The point that the operation guide member of the speed change operation lever and the hood rear cover fixed to the fuselage are jointly connected to the support stay.
【0005】[0005]
【作用】ステアリングハンドルを支持するために強固に
機体フレームに支持されるフレーム兼用のステアリング
ハンドルポストから横方向に固定延設した支持ステー
に、操作ガイド部材とボンネット後部カバーとを共締め
連結する構成としたので、操作ガイド部材とボンネット
後部カバーとが共に、フレーム材に強固に連結支持され
る構成でありながら、大面積の前壁を構成するボンネッ
ト後部カバーを樹脂材等の軽量なものに構成できるもの
となる。The operation guide member and the hood rear cover are jointly connected to a support stay fixedly extended in the lateral direction from a frame-purpose steering handle post firmly supported by the body frame to support the steering handle. Because the operation guide member and the bonnet rear cover are both firmly connected and supported by the frame material, the bonnet rear cover that constitutes the large-area front wall is made of a lightweight material such as a resin material. You can do it.
【0006】[0006]
【発明の効果】従って、合理的な構造改良によって、操
縦部付近での各種部材の支持を確実に行えるものであり
ながら、大面積の部材を樹脂化させることが可能となっ
て機体の軽量化が可能となった。又、ステアリングハン
ドルポストからの延設部材も必要最小限度に抑制でき、
組付け作業性が向上する利点もある。Therefore, by means of rational structural improvement, various members can be reliably supported in the vicinity of the maneuvering portion, while large-area members can be made of resin, and the weight of the aircraft can be reduced. Became possible. Also, the extension members from the steering handle post can be suppressed to the minimum necessary,
There is also an advantage that the assembly workability is improved.
【0007】[0007]
【実施例】以下、実施例を図面に基いて説明する。図1
に乗用型作業機の一例としての乗用型田植機の前部を示
している。この田植機は、機体前部のボンネット1内に
おいて機体フレーム2上にエンジン3を搭載するととも
に、エンジン3の後部側下方にミッションケース4を機
体フレーム2に連結支持した状態で配備し、エンジン3
の出力軸3aとミッションケース4の入力軸4aとの間
に変速比の異なる一対のベルト伝動機構5a,5bを介
装して、選択的に伝動入り切りさせるダブルテンション
式副変速装置5を構成してある。又、ミッションケース
4内にはギア咬合式の主変速装置6を内装してあり、変
速後の出力を、図示しない前後車輪並びに機体後部の苗
植付装置に供給するよう伝動系を構成してある。運転部
空間の前壁部を構成するボンネット後部カバー7は、機
体に固定状態で設けられ、ボンネット1は着脱自在に取
付ける構成としている。そして、前記副変速装置5の変
速操作レバー8は、前記ボンネット後部カバー7の左側
に配置し、主変速装置6の変速操作レバー9はボンネッ
ト後部カバー7の右側に配置して、各変速レバー8,9
は下方側の横軸芯周りで前後に揺動操作するよう構成し
てある。図2、図3に示すように、ミッションケース4
の上部に連結固定されたステアリングギアケース10の
上部面にステアリングハンドル11の操作軸11a軸を
回動自在に支持する筒状のステアリングハンドルポスト
12を立設固定し、このステアリングハンドルポスト1
2の上下途中部から左右両側に向けて支持ステー13を
一体的に溶接固定して延設し、この支持ステー13の左
右両端にほぼ前後方向に沿う板状の取付け面13a,1
3aを形成し、この取付け面13a,13aに前記各変
速レバー8,9の操作ガイド部材14,15をボルトで
締め付け固定してある。各操作ガイド部材14,15
は、板材をL字形に屈曲したガイド本体14a,15a
とこのガイド本体14a,15aに溶接固定され丸棒材
をほぼ楕円形状に屈曲成形して成るガイド部14b,1
5bとで構成され、ガイド部14b,15bで形成され
た長孔内を各変速レバー8,9が挿通してこの長孔融通
内で前後に変速操作できるよう構成してある。又、前記
ステアリングハンドルポスト12の上下途中部の2箇所
から後方に向けて側面視でL字形に成形した支持部材1
6,16を溶接固定して延設してあり、この支持部材1
6,16にボンネット後部カバー7の後部面7aをボル
ト固定するよう構成してある。そして、ボンネット後部
カバー7の左右側面7bは、前記支持ステー13の左右
取付け面13a,13aと各操作ガイド部材14,15
との間に挟み込み前記ボルト17によりこれらを共締め
固定連結するよう構成して、支持ステー13により操作
ガイド部材14,15とボンネット後部カバー7との両
方を支持する兼用構成としている。尚、図4〜図6に示
すように、ステアリングハンドルポスト12の上部側か
ら左右両側並びに前方に延設した支持ステー18,19
により支持される平面視コの字形の取付け具20の左右
両側面には、操縦部パネル部21を構成する合成樹脂材
から成る上部パネルカバー22の内面に一体成形したリ
ブ23がビス止めされる支持板24をボルト連結してあ
り、この支持板24の左右両外方側には、ノブボルト2
5の螺込み部26を形成して、ボンネット1後端縁に形
成した切欠凹部28が入り込んだ状態でノブボルト25
を締め付けることでボンネット1の後部を固定し、ノブ
ボルト25を緩めることでボンネット1を機体前方側に
抜き外しできるよう構成してある。ボンネット1の前部
は機体フレーム2に形成した係合部28に前方側から抜
き差し自在に差し込み係合されるコの字形係合部29を
形成してある。Embodiments will be described below with reference to the drawings. FIG.
1 shows a front part of a riding type rice transplanter as an example of a riding type working machine. In this rice transplanter, an engine 3 is mounted on a fuselage frame 2 in a hood 1 at a front portion of the fuselage, and a transmission case 4 is provided below and connected to and supported by the fuselage frame 2 at a rear lower portion of the engine 3.
A pair of belt transmission mechanisms 5a and 5b having different speed ratios are interposed between the output shaft 3a of the transmission case 4 and the input shaft 4a of the transmission case 4 to form a double-tension type auxiliary transmission device 5 for selectively transmitting and receiving power. It is. The transmission case 4 is provided with a main transmission 6 of a gear occlusion type, and a transmission system is configured to supply the output after shifting to the front and rear wheels (not shown) and the seedling planting device at the rear of the fuselage. is there. A hood rear cover 7 constituting a front wall portion of the operation space is provided in a fixed state on the body, and the hood 1 is detachably mounted. The shift operation lever 8 of the auxiliary transmission 5 is arranged on the left side of the hood rear cover 7, and the shift operation lever 9 of the main transmission 6 is arranged on the right side of the hood rear cover 7, and each shift lever 8 , 9
Is configured to swing back and forth around the lower horizontal axis. As shown in FIGS. 2 and 3, the transmission case 4
A tubular steering handle post 12 for rotatably supporting an operating shaft 11a of a steering handle 11 is erected and fixed on an upper surface of a steering gear case 10 connected and fixed to an upper portion of the steering gear case 10.
The support stays 13 are integrally welded and fixed from both upper and lower portions toward the left and right sides of the support stays 2 and extend therefrom.
3a is formed, and the operation guide members 14, 15 of the respective shift levers 8, 9 are fastened and fixed to the mounting surfaces 13a, 13a with bolts. Each operation guide member 14, 15
Are guide bodies 14a and 15a in which a plate material is bent into an L-shape.
And guide portions 14b, 1 which are welded and fixed to the guide bodies 14a, 15a and are formed by bending a round bar material into an approximately elliptical shape.
5b, and the speed change levers 8 and 9 are inserted through the slots formed by the guide portions 14b and 15b, so that the gears can be shifted forward and backward within the slots. The support member 1 is formed in an L-shape in a side view from two places in the upper and lower middle portions of the steering handle post 12 toward the rear.
6, 16 are extended by welding and fixing.
The rear surface 7a of the hood rear cover 7 is bolted to 6,6. The left and right side surfaces 7b of the hood rear cover 7 are connected to the left and right mounting surfaces 13a, 13a of the support stay 13 and the operation guide members 14, 15 respectively.
And the bolt 17 is used to fasten and fix them together, and the support stay 13 supports both the operation guide members 14 and 15 and the bonnet rear cover 7. As shown in FIGS. 4 to 6, support stays 18, 19 extending from the upper side of the steering handle post 12 to both left and right sides and forward.
On the left and right side surfaces of the U-shaped mounting tool 20 supported by the above, a rib 23 integrally formed on an inner surface of an upper panel cover 22 made of a synthetic resin material constituting the control panel portion 21 is screwed. The support plate 24 is bolted, and knob bolts 2 are provided on both left and right outer sides of the support plate 24.
5 is formed, and the knob bolt 25 is inserted in a state in which the cutout recess 28 formed in the rear edge of the bonnet 1 is inserted.
, The rear part of the bonnet 1 is fixed, and the knob bolt 25 is loosened so that the bonnet 1 can be pulled out to the front side of the fuselage. The front portion of the bonnet 1 is formed with a U-shaped engaging portion 29 which is inserted into and engages with an engaging portion 28 formed on the body frame 2 from the front side so as to be freely inserted and removed.
【0008】尚、特許請求の範囲の項に図面との対照を
容易にするために符号を記すが、該記入により本発明は
添付図面の構成に限定されるものではない。[0008] In the claims, reference numerals are written to facilitate comparison with the drawings, but the present invention is not limited to the configuration of the attached drawings by the entry.
【図1】田植機前部の側面図FIG. 1 is a side view of a front part of a rice transplanter.
【図2】ステアリング操作部の後面図FIG. 2 is a rear view of a steering operation unit.
【図3】操作ガイド部材取付け部の切欠平面図FIG. 3 is a cutaway plan view of an operation guide member mounting portion.
【図4】ボンネット固定部の切欠平面図FIG. 4 is a cutaway plan view of a bonnet fixing portion.
【図5】上部パネルカバーの支持部の側面図FIG. 5 is a side view of a support portion of the upper panel cover.
【図6】上部パネルカバーの支持部の切欠正面図FIG. 6 is a cutaway front view of a support portion of the upper panel cover.
2 機体フレーム 7 ボンネット後部カバー 8,9 変速レバー 12 ステアリングハンドルポスト 13 支持ステー 14,15 操作ガイド部材 2 Body frame 7 Bonnet rear cover 8, 9 Shift lever 12 Steering handle post 13 Support stay 14, 15 Operation guide member
フロントページの続き (56)参考文献 特開 昭52−44924(JP,A) 特開 平2−128959(JP,A) 特開 平5−310131(JP,A) 実開 昭62−103734(JP,U) 実開 平4−26872(JP,U)Continuation of the front page (56) References JP-A-52-44924 (JP, A) JP-A-2-128959 (JP, A) JP-A-5-310131 (JP, A) Jpn. , U) Japanese Utility Model Hei 4-26872 (JP, U)
Claims (1)
テアリングハンドルポスト(12)の途中部から機体横
方向に支持ステー(13)を固定延設し、この支持ステ
ー(13)に、変速操作レバー(8),(9)の操作ガ
イド部材(14),(15)と、機体に位置固定状態の
ボンネット後部カバー(7)を共締め連結してある乗用
型作業機。A support stay (13) is fixedly extended in a lateral direction of the fuselage from an intermediate portion of a steering handle post (12) supported and fixed to a fuselage frame (2), and a shift operation is performed on the support stay (13). A riding type working machine in which operation guide members (14) and (15) of levers (8) and (9) and a hood rear cover (7) fixed to the body are jointly connected.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12093492A JP2726360B2 (en) | 1992-05-14 | 1992-05-14 | Riding work machine |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP12093492A JP2726360B2 (en) | 1992-05-14 | 1992-05-14 | Riding work machine |
Publications (2)
Publication Number | Publication Date |
---|---|
JPH05319275A JPH05319275A (en) | 1993-12-03 |
JP2726360B2 true JP2726360B2 (en) | 1998-03-11 |
Family
ID=14798590
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP12093492A Expired - Lifetime JP2726360B2 (en) | 1992-05-14 | 1992-05-14 | Riding work machine |
Country Status (1)
Country | Link |
---|---|
JP (1) | JP2726360B2 (en) |
-
1992
- 1992-05-14 JP JP12093492A patent/JP2726360B2/en not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
JPH05319275A (en) | 1993-12-03 |
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