JPH0440801A - Operating device-coupling structure of working vehicle - Google Patents
Operating device-coupling structure of working vehicleInfo
- Publication number
- JPH0440801A JPH0440801A JP14467490A JP14467490A JPH0440801A JP H0440801 A JPH0440801 A JP H0440801A JP 14467490 A JP14467490 A JP 14467490A JP 14467490 A JP14467490 A JP 14467490A JP H0440801 A JPH0440801 A JP H0440801A
- Authority
- JP
- Japan
- Prior art keywords
- operating device
- coupling
- link mechanism
- power
- working device
- 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
- 238000010168 coupling process Methods 0.000 title abstract 5
- 238000005859 coupling reaction Methods 0.000 title abstract 5
- 230000005540 biological transmission Effects 0.000 abstract description 8
- 230000008878 coupling Effects 0.000 abstract 3
- 230000000694 effects Effects 0.000 description 2
- 210000001015 abdomen Anatomy 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 230000003014 reinforcing effect Effects 0.000 description 1
- 238000005096 rolling process Methods 0.000 description 1
Landscapes
- Agricultural Machines (AREA)
- Auxiliary Drives, Propulsion Controls, And Safety Devices (AREA)
- Arrangement And Driving Of Transmission Devices (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明は、機体前部に駆動昇降自在なリンク機構を介し
て作業装置を連結するとともに、前記作業装置に対して
機体側から動力を供給するよう構成してある作業車の作
業装置連結構造にに関する。[Detailed Description of the Invention] [Field of Industrial Application] The present invention connects a working device to the front of the machine body via a link mechanism that can be driven up and down, and supplies power to the working device from the machine body side. The present invention relates to a working device connection structure for a working vehicle configured to do so.
上記連結構造において、従来ては、例えば特開昭５９−
９６０６８号公報に開示されるように、前記リンク機構
を機体フレーム前部の前方側に突出する状態で取付ける
とともに、機体前部に搭載したエンジンの前部側から突
出した出力軸から前記作業装置用のＰＴＯ軸に動力を供
給するよう構成したものがあった。In the above connection structure, conventionally, for example,
As disclosed in Publication No. 96068, the link mechanism is attached to the front of the fuselage frame so as to protrude from the front side, and the link mechanism for the working device is connected to the output shaft protruding from the front side of the engine mounted on the front of the fuselage. There was one that was configured to supply power to the PTO shaft.
ところか、上記従来構造では、作業装置の取付箇所が機
体から前方に大きく突出した位置となり、作業装置連結
時においては機体の前後長さ太き（なる弊害かあるとと
もに、作業装置と運転者との距離か大きくなり、作業か
行い難いといった問題もあった。However, in the conventional structure described above, the mounting point of the work equipment is located in a position that protrudes forward from the machine body, and when the work equipment is connected, the front and rear length of the machine body becomes thick (this may have a negative effect, and the connection between the work equipment and the driver There was also the problem that the distance was large and it was difficult to carry out the work.
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。The present invention aims to solve the above-mentioned problems.
本発明の特徴構成は、冒頭に記載した作業車の作業装置
連結構造において、機体後方側下部に配設したＰＴＯ軸
から前記作業装置に対して動力を供給するよう構成し、
前記リンク機構（８）を機体フレーム（１）の前部下方
側に入り込ませて装着してある点にある。A characteristic configuration of the present invention is that, in the working device connection structure of the working vehicle described at the beginning, power is supplied to the working device from a PTO shaft disposed at the lower rear side of the machine body,
The link mechanism (8) is fitted into the lower front side of the fuselage frame (1).
作業装置連結用のリンク機構を機体フレームの下方側に
入り込ませであるので、作業装置の連結箇所が機体側に
近づいた位置に設けられることになり、運転者から作業
装置までの距離が従来に較べ短くなり作業が行い易くな
る。又、作業装置に対する動力を機体後部のＰＴＯ軸か
ら供給するので、伝動を確実に行うことのできる軸伝動
構造を用いた場合であっても、継手部分で大きく屈曲さ
せる必要がない。Since the link mechanism for connecting the work equipment is inserted into the lower side of the machine frame, the connection point of the work equipment is installed closer to the machine body, and the distance from the operator to the work equipment is shorter than before. It is shorter and easier to work with. Furthermore, since the power to the working device is supplied from the PTO shaft at the rear of the machine body, there is no need to make large bends at the joints even when using a shaft transmission structure that can reliably transmit power.
従って、本発明によれば、合理的な構造改良によって、
作業装置の駆動を円滑かつ確実に行うことができるもの
でありながら、機体全長を短く、コンパクトに構成する
ことかでき、かつ、作業操縦操作性を向上することがで
きるものとなった。Therefore, according to the present invention, by rational structural improvement,
Although the work equipment can be driven smoothly and reliably, the overall length of the machine body can be shortened and compactly constructed, and work operation operability can be improved.
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図に本発明に係る作業機の一例としての農用トラク
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−対の機体フレーム（１）、
（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
、前後車輪（４）、 （５）間の機体下腹部に千行四連
リンク機構（６）を介してモーア（７）を駆動昇降自在
に連結し、かつ、機体前部に駆動昇降自在なリンク機構
（８）を介して例えばスノーブロア等の前装作業装置（
図示せず）を着脱自在に連結するよう構成してある。FIG. 1 shows an agricultural tractor as an example of a working machine according to the present invention. This agricultural tractor has a pair of left and right body frames (1) extending over substantially the entire length in the longitudinal direction of the body;
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). A mower (7) is connected to the lower abdomen of the aircraft between the front and rear wheels (4) and (5) via a 1,000-row four-link mechanism (6) so that it can be driven up and down. In addition, a front loading work device such as a snow blower (
(not shown) are configured to be detachably connected.
次に、前記モーア（７）の連結構造について説明する。Next, the connection structure of the mower (7) will be explained.
第２図に示すように、モーア（７）は、牽引用の左右一
対の前リンク（６ａ）により機体フレーム（１）に夫々
枢支連結してあり、リフトシリンダ（９）により昇降駆
動するよう構成してある。詳述すると、前記前リンク（
６ａ）は前端部同志をロッド（１０）で連結してあり、
左右機体フレーム（１）、 （１）の横側壁から下方に
固定延出した一対のブラケット （１１）、 （１１）
に対して、レバー（１２）の揺動操作により係止ロック
作用状態と開放状態とに揺動並びに固定自在に取付けた
フック部材（１３）、 （１３）に前記ロッド（１０）
を引掛は係止させて枢支連結するよう構成してある。又
、第５図にも示すように、前記各機体フレーム（１）（
１）の前後中間における階段状屈曲部（４）の下面同志
に亘って、横フレーム （１５）を横架連結するととも
に、該横フレーム（１５）を左右機体フレーム（１）、
（１）の横倒外方に突出させ、その突出部（１５ａ）
、 （１５ａ）の後部を上方に折曲げこの突出部（１５
ａ）、 （１５ａ）を機体フレーム（１）、 （１）横
側面に固着して強度を図る一方、この突出部（１５ａ）
の縦壁部及び下面に枢支ピン（１６）を一体固定した支
点取付部（１７）をボルト連結してある。ＪＣ−シて、
前記枢支ピン（１６）に後リンク（６ｂ）を枢支連結し
てある。As shown in Fig. 2, the mower (7) is pivotally connected to the fuselage frame (1) by a pair of left and right front links (6a) for traction, and is driven up and down by a lift cylinder (9). It is configured. To explain in detail, the previous link (
In 6a), the front ends are connected by a rod (10),
A pair of brackets (11), (11) fixedly extending downward from the side walls of the left and right fuselage frames (1), (1)
The rod (10) is attached to the hook member (13), which is attached to the hook member (13) so that it can be swung and fixed between the locking state and the open state by the swinging operation of the lever (12).
The hook is configured to be locked and pivotally connected. Moreover, as shown in FIG. 5, each of the aircraft frames (1) (
The horizontal frame (15) is horizontally connected across the lower surfaces of the step-like bent portions (4) at the front and rear intermediate points of 1), and the horizontal frame (15) is connected to the left and right fuselage frames (1),
(1) is laid down and protrudes outward, and its protruding portion (15a)
, Fold the rear part of (15a) upward and remove this protrusion (15a).
a), (15a) are fixed to the side surfaces of the fuselage frame (1), (1) for strength, while this protrusion (15a)
A fulcrum mounting part (17) having a pivot pin (16) integrally fixed thereto is connected to the vertical wall part and the lower surface of the shaft by bolts. JC-shi,
A rear link (6b) is pivotally connected to the pivot pin (16).
次に、前装作業装置の連結構造について説明する。前装
作業装置連結用リンク機構（８）は、機体フレーム（１
）の前部下方側に入り込ませて装着してある。詳述する
と、第２図ないし第４図に示すように、前記モーア牽引
用前リンク連結用の左右一対のブラケット（１１）、
（１１）から横向き突設した支点ピン（１８）、 （１
８）に一対のロアーリンク（１９）、 （１９）を枢支
連結するとともに、各機体フレーム（１）、 （１）夫
々の前部横側部に固定した支点ブラケット（２０）、
（２０）に、同−横軸芯（Ｐ）周りて揺動自在に揺動ア
ーム（２１）、 （２１）を枢支連結してある。そして
、各揺動アーム（２１）、 （２１）を一体揺動するべ
く連結部材（２２）で横架連結するとともに、機体フレ
ーム（１）の前端面に平面視コの字形の支持部材（２３
）をボルト固定し、この支持部材（２３）の下部に横架
した横支軸（２４）に油圧シリンダ（２５）の下端部を
枢支してある。又、油圧シリンダ（２５）の上端部を前
記連結部材（２２）の途中部にピン（２６）枢支し、か
つ、連結部材（２２）の左右中央部と、正面視路八字形
の作業装置連結フレーム（２７）の上部とを連結具（２
８）を介して枢支連結してある。前記作業装置連結フレ
ーム（２７）の左右雨下端部には、前記各ロアーリンク
（１９）、 （１９）の前部を枢支連結してある。この
ようにして、前記油圧シリンダ（２５）を伸縮駆動する
ことで、作業装置を昇降駆動できるよう構成してある。Next, the connection structure of the front mounting device will be explained. The link mechanism (8) for connecting the front loading work device is connected to the fuselage frame (1).
) is installed by inserting it into the front lower side. More specifically, as shown in FIGS. 2 to 4, a pair of left and right brackets (11) for connecting the mower traction front link;
A fulcrum pin (18) protruding sideways from (11), (1
A pair of lower links (19), (19) are pivotally connected to (8), and a fulcrum bracket (20) is fixed to the front side of each fuselage frame (1), (1).
Swing arms (21), (21) are pivotally connected to (20) so as to be swingable about the horizontal axis (P). The swing arms (21), (21) are horizontally connected by a connecting member (22) so as to swing together, and the support member (23), which is U-shaped in plan view, is attached to the front end surface of the fuselage frame (1).
) is fixed with bolts, and the lower end of the hydraulic cylinder (25) is pivotally supported on a horizontal support shaft (24) suspended horizontally at the lower part of the support member (23). Further, the upper end of the hydraulic cylinder (25) is pivotally supported by a pin (26) in the middle of the connecting member (22), and the working device has an eight-shaped path when viewed from the front. Connect the upper part of the connecting frame (27) with the connecting tool (2
8). The front portions of the lower links (19), (19) are pivotally connected to the left and right lower end portions of the working device connection frame (27). In this way, the working device can be moved up and down by extending and contracting the hydraulic cylinder (25).
又、前記モーア（７）及び前装作業装置に対する駆動動
力は、第６図に示すように機体後部のミッションケース
（３）の下部に前方向きに左右並列突設したＰＴＯ軸（
２９）、 （３０）から供給するよう構成してある。つ
まり、左側ＰＴＯ軸（２９）から伝動軸（３１）を介し
てモーア（７）の入力部（７ａ）に動力を供給するよう
連動連結し、右側ＰＴＯ軸（３０）から前後に長く延び
る伝動軸（３２）を介して前装作業装置に動力を供給す
るよう構成してあり、前記モーア牽引用前リンク（６ａ
）の支持用プラケット（１１）、 （１１）の間に前記
伝動軸（３２）の中継軸受部（３３）を設けである。こ
の中継軸受部（３３）は左右ブラケット（１１）、 （
１１）の内側面に接する状態で配設してあり、かつ、前
記支点ピン（１８）、 （１８）の内方突出部が嵌合す
る凹部（３４）。In addition, the driving power for the mower (7) and the front loader is provided by PTO shafts (PTO shafts) protruding forward in parallel on the left and right from the lower part of the mission case (3) at the rear of the fuselage, as shown in Figure 6.
29) and (30). In other words, the left PTO shaft (29) is interlocked to supply power to the input part (7a) of the mower (7) via the transmission shaft (31), and the transmission shaft extends longitudinally from the right PTO shaft (30). (32) to supply power to the front loading working device, and the mower traction front link (6a
) A relay bearing portion (33) for the transmission shaft (32) is provided between the supporting plackets (11) and (11). This relay bearing part (33) is connected to the left and right brackets (11), (
A recess (34) which is disposed in contact with the inner surface of the fulcrum pin (11) and into which the inward protrusion of the fulcrum pin (18), (18) fits.
（３４）を形成し、前記各ブラケット（１１）、 （１
１）にボルト連結してある。このように中継軸受部（３
３）は前装作業装置用ロアソーリンク（１９）、 （１
９）の強度補強部材を兼用してある。(34), each of the brackets (11), (1
1) is connected with bolts. In this way, the relay bearing part (3
3) is lower saw link (19) for front loading work equipment, (1
It also serves as the strength reinforcing member in 9).
このようにして、前装作業装置用の動力取出しを機体後
部のＰＴＯ軸（３０）から行うようにして、スリップ等
の生じ難い確実な伝動系となる軸転動機構を採用するも
のでありながら継手部分で大きく屈曲させる必要がなく
円滑な動力伝達を行える利点を有し、かつ、前装作業装
置連結時での前後長さを短く、コンパクトなものに構成
できることになった。In this way, the power for the muzzleloading device is taken out from the PTO shaft (30) at the rear of the machine, and a shaft rolling mechanism is adopted that provides a reliable transmission system that is unlikely to cause slips. It has the advantage of smooth power transmission without the need for large bends at the joint, and can be configured compactly with a short front-to-back length when the muzzleloading device is connected.
尚、特許請求の範囲の項に図面との対照を便利にする為
に符号を記すが、該記入により本発明は添付図面の構造
に限定されるものではない。Incidentally, although reference numerals are written in the claims section for convenient comparison with the drawings, the present invention is not limited to the structure shown in the accompanying drawings.
図面は本発明体る作業車の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図は要部の正面図、第４図は中継軸受
部配設部の一部切欠正面図、第５図は後リンク連結部の
平面図、第６図はＰＴＯ軸の縦断正面図である。
（１）・・・・・・機体フレーム、（８）・・・・・・
リンク機構、（３０）・・・・・・ＰＴＯ軸。The drawings show an embodiment of the working device connection structure of a working vehicle according to the present invention, in which Fig. 1 is an overall side view of an agricultural tractor, Fig. 2 is a side view of the main parts, and Fig. 3 is a front view of the main parts. FIG. 4 is a partially cutaway front view of the relay bearing arrangement section, FIG. 5 is a plan view of the rear link connection section, and FIG. 6 is a longitudinal sectional front view of the PTO shaft. (1)... Airframe frame, (8)...
Link mechanism, (30)...PTO axis.
Claims (1)
業装置を連結するとともに、前記作業装置に対して機体
側から動力を供給するよう構成してある作業車の作業装
置連結構造であって、機体後方側下部に配設したＰＴＯ
軸（３０）から前記作業装置に対して動力を供給するよ
う構成し、前記リンク機構（８）を機体フレーム（１）
の前部下方側に入り込ませて装着してある作業車の作業
装置連結構造。This is a working device connection structure for a working vehicle, in which a working device is connected to the front part of the machine body via a link mechanism (8) that can be driven up and down, and power is supplied to the working device from the machine body side. The PTO located at the bottom of the rear side of the aircraft
The shaft (30) is configured to supply power to the working device, and the link mechanism (8) is connected to the fuselage frame (1).
A work device connection structure for a work vehicle that is installed by inserting it into the lower front side of the work vehicle.
Priority Applications (5)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2144674A JP2567971B2 (en) | 1990-06-02 | 1990-06-02 | Work vehicle 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 |
|---|---|---|---|
| JP2144674A JP2567971B2 (en) | 1990-06-02 | 1990-06-02 | Work vehicle connection structure |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0440801A true JPH0440801A (en) | 1992-02-12 |
| JP2567971B2 JP2567971B2 (en) | 1996-12-25 |
Family
ID=15367608
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2144674A Expired - Lifetime JP2567971B2 (en) | 1990-06-02 | 1990-06-02 | Work vehicle connection structure |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2567971B2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016006051A1 (en) * | 2014-07-09 | 2016-01-14 | 細田工業株式会社 | Conveyor device |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5930645U (en) * | 1982-08-19 | 1984-02-25 | デンヨ−株式会社 | rotor |
| JPS59171764A (en) * | 1983-03-15 | 1984-09-28 | Yanmar Diesel Engine Co Ltd | Frame structure of agricultural vehicle |
| JPS6040521U (en) * | 1983-08-23 | 1985-03-22 | ヤンマー農機株式会社 | Self-propelled work equipment |
-
1990
- 1990-06-02 JP JP2144674A patent/JP2567971B2/en not_active Expired - Lifetime
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5930645U (en) * | 1982-08-19 | 1984-02-25 | デンヨ−株式会社 | rotor |
| JPS59171764A (en) * | 1983-03-15 | 1984-09-28 | Yanmar Diesel Engine Co Ltd | Frame structure of agricultural vehicle |
| JPS6040521U (en) * | 1983-08-23 | 1985-03-22 | ヤンマー農機株式会社 | Self-propelled work equipment |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2016006051A1 (en) * | 2014-07-09 | 2016-01-14 | 細田工業株式会社 | Conveyor device |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2567971B2 (en) | 1996-12-25 |
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