JPH0440802A - Front operating device coupling structure of tractor for agriculture - Google Patents
Front operating device coupling structure of tractor for agricultureInfo
- Publication number
- JPH0440802A JPH0440802A JP14467390A JP14467390A JPH0440802A JP H0440802 A JPH0440802 A JP H0440802A JP 14467390 A JP14467390 A JP 14467390A JP 14467390 A JP14467390 A JP 14467390A JP H0440802 A JPH0440802 A JP H0440802A
- Authority
- JP
- Japan
- Prior art keywords
- coupling
- fixed
- bent
- supporting
- parts
- 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.)
- Granted
Links
Landscapes
- Agricultural Machines (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、例えばフロントローダ等の前装作業装置の連
結構造に関し、詳しくは、左右一対の機体フレームを機
体前後方向に沿って配設するとともに、各機体フレーム
の後部側を前部側よりも下方に位置させ、その中間連結
部を階段状に屈曲成形してある農用トラクタの前装作業
装置連結構造に関する。[Detailed Description of the Invention] [Field of Industrial Application] The present invention relates to a connection structure for a front loader, such as a front loader, and more specifically, a pair of left and right fuselage frames are arranged along the longitudinal direction of the fuselage. The present invention also relates to a connecting structure for a front loading working device for an agricultural tractor, in which the rear side of each body frame is located lower than the front side, and the intermediate connecting portion thereof is bent and formed into a stepped shape.
上記連結構造において、従来ては、先に本出願人か特願
昭６３−３３３６７２号にて考案した構造かある。つま
り、機体フレームの左右両側に前後方向に長いサブフレ
ームを取付は固定するとともに、このサブフレームの前
後中心位置から横外側方に向けて支持フレーム及び補強
フレームを平面視三角形状に延設し、支持フレームの外
側端に前装作業装置の支柱フレームを嵌合連結する嵌合
部を固着する構造である。The above connection structure has conventionally been devised by the present applicant in Japanese Patent Application No. 63-333672. In other words, subframes that are long in the longitudinal direction are installed and fixed on both the left and right sides of the fuselage frame, and support frames and reinforcing frames are installed in a triangular shape in plan view from the center of the subframe in the longitudinal direction. It has a structure in which a fitting portion for fitting and connecting a support frame of a front loading work device is fixed to an outer end of a support frame.
ところか、上記従来構造においては、前装作業装置の荷
重を機体前後方向の長いスパンで強固に受止め支持する
よう構成したものであるが、作業装置支持用連結構造が
複雑で部品点数が多くなる弊害があった。However, in the conventional structure described above, the load of the muzzle-mounted working device is firmly received and supported over a long span in the longitudinal direction of the aircraft, but the connecting structure for supporting the working device is complicated and has a large number of parts. There were some negative effects.
本発明は機体のフレーム構造を有効利用して、前装作業
装置の連結構造を簡素化することを目的としている。An object of the present invention is to effectively utilize the frame structure of the airframe to simplify the connection structure of the muzzleloading device.
本発明の特徴構成は、冒頭に記載した農用トラクタの前
装作業装置連結構造において、前記各機体フレームの前
記中間連結部夫々の下面側に亘って支持部材を横架連結
するとともに、この支持部材における前記各機体フレー
ムよりも左右横側外方への突出部に、前装作業装置連結
支持具を取付固定してある点にある。The characteristic configuration of the present invention is that in the agricultural tractor muzzle-loading device connection structure described at the beginning, a support member is horizontally connected across the lower surface side of each of the intermediate connection portions of each of the body frames, and the support member is The muzzle-loading work device connection support is attached and fixed to the outwardly projecting portions on the left and right sides of each of the body frames.
前輪のステアリング機能を阻害することなく、機体後部
の操縦安定性を向上させるために前後階段状に屈曲成形
した機体フレームの機械的強度の大きな中間連結部の下
面同志を連結する支持部材に、前装作業装置の連結支持
具を取付固定する構造であるから、前装作業装置の荷重
を有効に受止め支持することができる。In order to improve the steering stability of the rear part of the aircraft without interfering with the steering function of the front wheels, the front Since the structure is such that the connecting support for the front loading work device is attached and fixed, the load of the front loading work device can be effectively received and supported.
その結果、機体フレームの構造を有効利用して、強度を
保持するために機体フレームに貫通孔を設ける等の加工
を要することなく、前装作業装置の支持連結を簡易な構
造により行えるものとなった。又、機体フレーム自体を
前後に長い支持部材に兼用することができて、前装作業
装置の荷重を前後に長いスパンで安定的に支持すること
ができる利点もある。As a result, by effectively utilizing the structure of the fuselage frame, it is possible to support and connect the muzzleloading device with a simple structure without requiring any processing such as creating through holes in the fuselage frame to maintain strength. Ta. Another advantage is that the fuselage frame itself can be used as a longitudinally long support member, and the load of the muzzleloading device can be stably supported over a long longitudinal span.
以下、本発明の実施例を図面に基づいて説明する。 Embodiments of the present invention will be described below based on the drawings.
第１図に本発明に係る農用トラクタを示している。この
農用トラクタは、機体前後方向略全長に亘って延びる左
右一対の機体フレーム（１）。FIG. 1 shows an agricultural tractor according to the present invention. This agricultural tractor has a pair of left and right body frames (1) that extend approximately the entire length in the longitudinal direction of the body.
（１）の前部上方にエンジン（２）を搭載するとともに
、機体後部にミッションケース（３）を備え、エンジン
（２）の動力をミッションケース（３）を介して前後車
輪（４）、 （５）に供給して走行駆動するよう構成し
、機体前部に前装作業装置の一例であるフロントローダ
装置（６）を装着して構成してある。An engine (2) is mounted above the front of the aircraft (1), and a mission case (3) is provided at the rear of the aircraft, and power from the engine (2) is transmitted to the front and rear wheels (4) through the mission case (3). 5) for running and driving, and a front loader device (6), which is an example of a front loading device, is attached to the front of the machine body.
前記各機体フレーム（１）、（１）は、その後部側を前
部側よりも下方に位置させ、それらの中間連結部（７）
、 （７）を階段状に屈曲成形して、ステアリング機構
を備えた前輪（４）の車軸を所定高さに維持しながら、
機体後部の運転部（８）の位置を可及的に下方に下げる
ことで、機体の操縦安定性を向上することができるよう
構成してある。Each of the fuselage frames (1), (1) has its rear side located lower than its front side, and has an intermediate connecting portion (7) between them.
, (7) is bent into a stepped shape to maintain the axle of the front wheel (4) equipped with a steering mechanism at a predetermined height.
By lowering the position of the driving section (8) at the rear of the fuselage as far as possible, the operating stability of the fuselage can be improved.
次に、フロントローダ装置（６）の連結構造について説
明する。第２図、第３図に示すように、左右の機体フレ
ーム（１）、 （１）の中間連結部（７）。Next, the connection structure of the front loader device (6) will be explained. As shown in FIGS. 2 and 3, the left and right fuselage frames (1), the intermediate connecting portion (7) of (1).
（７）夫々の下面側に亘って板材を屈曲成形した支持部
材（９）を横架連結するとともに、この支持部材（９）
を各機体フレーム（１）、 （１）よりも左右横側外方
に突出させてあり、その突出部（９ａ）。(7) Supporting members (9) formed by bending plate materials are horizontally connected to each other over the lower surface side, and this supporting member (9)
The projecting portions (9a) project outward from the left and right sides of each fuselage frame (1), (1).
（９ａ）の後部側を上方に向けて屈曲成形してある。The rear side of (9a) is bent upward.
つまり、前記支持部材（９）は、機体フレーム（１）。That is, the support member (9) is the fuselage frame (1).
（１）の中間連結部（７）、 （７）の下面に沿わせて
板材を折り曲げた状態で当て付は溶接固定するとともに
、前記突出部（９ａ）、 （９ａ）の上方立上げ部の内
方端縁を機体フレーム（１）、 （１）の側面に溶接固
定してある。そして、この支持部材（９）の左右突出部
（９ａ）、 （９ａ）にフロントローダ装置（６）の連
結支持具（１０）、 （１０）を取付固定してある。The plate material is bent along the lower surface of the intermediate connecting portion (7) of (1), and the abutment is fixed by welding, and the upper rising portion of the protruding portion (9a), (9a) is fixed. The inner edges are welded and fixed to the sides of the fuselage frames (1), (1). Connecting supports (10), (10) of the front loader device (6) are attached and fixed to the left and right protrusions (9a), (9a) of this support member (9).
詳述すると、前記突出部（９ａ）に形成された上向き開
放のコの字形領域に下向き開放のコの字形状に屈曲成形
した連結支持具（１０）を載置するとともに、その内方
側に上向き開放のコの字形状に屈曲成形した補強部材（
１１）を内装し、これらを一体に連結固定して箱形の支
持フレーム構造を構成してある。To be more specific, a connecting support (10) bent and formed into a U-shape that opens downward is placed on the U-shaped area that opens upward and is formed on the protrusion (9a), and a A reinforcing member bent into a U-shape that opens upward (
11) are installed internally, and these are connected and fixed together to form a box-shaped support frame structure.
前記連結支持具（１０）、 （１０）が機体横外側まで
延出するとともに、外方側端部の上面にフロントローダ
装置（６）の支柱フレーム（１２）、 （１２）の差し
込み連結具（１３）、 （１３）を固定取付してある。The connecting supports (10), (10) extend to the lateral outside of the fuselage, and the insertion connectors (12) of the column frames (12), (12) of the front loader device (6) are attached to the upper surface of the outer end. 13), (13) are fixedly attached.
差し込み連結具（１３）は、連結支持具（ｌＯ）に溶接
固定したＵ字形の枠体（１３ａ）を取付けて構成され、
前記支柱フレーム（１２）の下端部は前記楔形受は具（
１３ｂ）を取付けて構成され、前記支柱フレーム（１２
）の下端部は前記楔形骨は具（１３ｂ）に入まり込む先
細状に形成してある。The insertion connector (13) is configured by attaching a U-shaped frame (13a) welded and fixed to the connector support (lO),
The lower end of the support frame (12) is attached to the wedge-shaped receiver (
13b), and is configured by attaching the support frame (12b).
The lower end of the cuneiform bone is tapered to fit into the tool (13b).
左右の前記支柱フレーム（１２）の上下中間位置には、
連結用取付具（１４）が固着され、この取付具（１４）
には、機体フレーム（１）前端部の支持部（１５）との
間で支持連結される一対の支持アーム（１６）、 （１
６）を連結してある。各支持アーム（１６）。At the vertical intermediate position of the left and right support frames (12),
A connecting fitting (14) is fixed, and this fitting (14)
A pair of support arms (16), (1
6) are connected. Each support arm (16).
（１６）の前端部は連結パイプ（１７）で連結してあり
、この連結パイプ（１７）を前記支持部（１５）に連結
支持させである。第４図にも示すように、前記支持部（
１５）は、左右機体フレーム（１）、 （１）の前端部
横側面に取付固定したブラケット（１５ａ）、 （１５
ａ）と、ブラケット（１５ａ）、 （１５ａ）に溶接し
た受座（１５ｂ）、 （１５ｂ）とから成り、この受座
（１５ｂ）、 （１５ｂ）に前記連結パイプ（１７）を
載置してボルト連結してある。The front ends of (16) are connected by a connecting pipe (17), and this connecting pipe (17) is connected and supported by the support part (15). As shown in FIG. 4, the support portion (
15) are the brackets (15a) and (15
a) and brackets (15a), seats (15b), (15b) welded to (15a), and the connecting pipe (17) is placed on these seats (15b), (15b). It is connected by bolts.
又、支柱フレーム（１２）の上端部にはフロントローダ
装置（６）のブーム（１８）を枢支し、ブーム（１８）
の途中部のブラケット（１９）と支柱フレーム（Ｉ２）
の下方側途中部のブラケット（２０）に亘り昇降用油圧
シリンダ（２１）を連結してある。In addition, the boom (18) of the front loader device (6) is pivotally supported at the upper end of the support frame (12).
Bracket (19) and support frame (I2) in the middle of
A lifting hydraulic cylinder (21) is connected across a bracket (20) in the middle of the lower side.
図面は本発明に係る農用トラクタの前装作業装置連結構
造の実施例を示し、第１図は農用トラクタの全体側面図
、第２図は要部の側面図、第３図は要部の縦断正面図、
第４図は前部側支持部の正面図、第５図は要部の分解斜
視図である。
（１）、 （１）・・・・・・機体フレーム、（７）、
（７）・・・・・・中間連結部、（９）・・・・・・
支持部材、（９ａ）、 （９ａ）・・・・・・突出部、
（１０）、 （１０）・・・・・・連結支持具。The drawings show an embodiment of the connecting structure for the front mounting device of an agricultural tractor according to the present invention, in which Fig. 1 is an overall side view of the agricultural tractor, Fig. 2 is a side view of the main part, and Fig. 3 is a longitudinal cross-section of the main part. Front view,
FIG. 4 is a front view of the front side support part, and FIG. 5 is an exploded perspective view of the main parts. (1), (1)... Airframe frame, (7),
(7)...Intermediate connection part, (9)...
Support member, (9a), (9a)... protrusion,
(10), (10)...Connection support.
Claims (1)
に沿って配設するとともに、各機体フレーム（１）、（
１）の後部側を前部側よりも下方に位置させ、その中間
連結部（７）、（７）を階段状に屈曲成形してある農用
トラクタの前装作業装置連結構造であって、前記各機体
フレーム（１）、（１）の前記中間連結部（７）、（７
）夫々の下面側に亘って支持部材（９）を横架連結する
とともに、この支持部材（９）における前記各機体フレ
ーム（１）、（１）よりも左右横側外方への突出部（９
ａ）、（９ａ）に、前装作業装置連結支持具（１０）、
（１０）を取付固定してある農用トラクタの前装作業装
置連結構造。A pair of left and right fuselage frames (1), (1) are arranged along the longitudinal direction of the fuselage, and each fuselage frame (1), (
1), wherein the rear side of the agricultural tractor is located lower than the front side, and the intermediate connecting portions (7), (7) are bent and formed into a stepped shape. The intermediate connecting portions (7), (7) of each fuselage frame (1), (1)
) The support member (9) is horizontally connected across the lower surface side of each of the support members (9), and the support member (9) has a projecting portion ( 9
a), (9a), muzzleloading work device connection support (10),
(10) A front-mounted work device connection structure for an agricultural tractor, in which the mount is fixedly attached.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2144673A JP2527256B2 (en) | 1990-06-02 | 1990-06-02 | Agricultural tractor front work equipment connection structure |
| US07/675,197 US5123805A (en) | 1990-06-02 | 1991-03-26 | Frame structure for attaching a working implement |
| GB9106523A GB2244418B (en) | 1990-06-02 | 1991-03-27 | Frame structure for attaching a working implement |
| DE4117272A DE4117272C2 (en) | 1990-06-02 | 1991-05-27 | Device holding device for connecting a working device to a vehicle chassis |
| FR9106584A FR2662569B1 (en) | 1990-06-02 | 1991-05-31 | CHASSIS STRUCTURE FOR MOUNTING A WORKING TOOL, ON A TRACTOR, SUCH AS A LOADER, MOWER OR THE LIKE. |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2144673A JP2527256B2 (en) | 1990-06-02 | 1990-06-02 | Agricultural tractor front work equipment connection structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0440802A true JPH0440802A (en) | 1992-02-12 |
| JP2527256B2 JP2527256B2 (en) | 1996-08-21 |
Family
ID=15367583
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2144673A Expired - Lifetime JP2527256B2 (en) | 1990-06-02 | 1990-06-02 | Agricultural tractor front work equipment connection structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2527256B2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62285705A (en) * | 1986-06-04 | 1987-12-11 | 株式会社クボタ | Mount apparatus of front mount working machine |
-
1990
- 1990-06-02 JP JP2144673A patent/JP2527256B2/en not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS62285705A (en) * | 1986-06-04 | 1987-12-11 | 株式会社クボタ | Mount apparatus of front mount working machine |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2527256B2 (en) | 1996-08-21 |
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