JPH02114254U - - Google Patents
Info
- Publication number
- JPH02114254U JPH02114254U JP2353489U JP2353489U JPH02114254U JP H02114254 U JPH02114254 U JP H02114254U JP 2353489 U JP2353489 U JP 2353489U JP 2353489 U JP2353489 U JP 2353489U JP H02114254 U JPH02114254 U JP H02114254U
- Authority
- JP
- Japan
- Prior art keywords
- continuously variable
- variable transmission
- sub
- transmission device
- lever
- 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
- 230000005540 biological transmission Effects 0.000 claims description 11
- 230000002093 peripheral effect Effects 0.000 claims 1
Landscapes
- Transmission Devices (AREA)
- Gear-Shifting Mechanisms (AREA)
Description
第１図は本考案を実施した農用トラクタを示す
全体側面図、第２図はその動力伝動機構を示す概
略平面図、第３図はその側面図、第４図は無段変
速装置を詳示する横断平面図、第５図は中間ケー
スの縦断正面図、第６図はレバー装置全体を示す
組立図、第７図は副変速装置を示す断面図、第８
図は操作カムへの連牽構造を示す断面図、第９図
はレバー装置の連結部を拡大した斜視図である。
そして、第１０図はレバー装置の構造を一層簡略
化した他の実施例を示す断面図である。
１……レバー装置、７，９……連牽手段（無段
変速連動部、副変速連動部）、３０……移動農機
（農用トラクタ）、３１……走行機体、３９，４
０……駆動輪（前輪、後輪）、４２……変速レバ
ー、５４……定速装置、５８……無段変速装置、
７３……差動装置、８１……副変速装置、１０１
，１０５……操作部材（操作カム、シフトフオー
ク）。
Fig. 1 is an overall side view showing an agricultural tractor implementing the present invention, Fig. 2 is a schematic plan view showing its power transmission mechanism, Fig. 3 is a side view thereof, and Fig. 4 is a detailed view of the continuously variable transmission. 5 is a vertical sectional front view of the intermediate case, FIG. 6 is an assembled view showing the entire lever device, FIG. 7 is a sectional view showing the sub-transmission device, and FIG.
The figure is a cross-sectional view showing a structure for connecting the operating cam, and FIG. 9 is an enlarged perspective view of the connecting portion of the lever device.
FIG. 10 is a sectional view showing another embodiment in which the structure of the lever device is further simplified. DESCRIPTION OF SYMBOLS 1... Lever device, 7, 9... Interlocking means (continuously variable transmission interlocking part, auxiliary transmission interlocking part), 30... Mobile agricultural machine (agricultural tractor), 31... Traveling machine body, 39, 4
0... Drive wheels (front wheel, rear wheel), 42... Gear shift lever, 54... Constant speed device, 58... Continuously variable transmission device,
73... Differential gear, 81... Sub-transmission gear, 101
, 105... Operation member (operation cam, shift fork).
Claims (1)
装置及び無段変速装置を有し、かつこれら定速装
置と無段変速装置の回転を差動装置にて合成して
取出しそして副変速装置を介して駆動輪に伝達し
てなる移動農機であつて、 前記走行機体の一側に変速レバーを配置し、か
つ該変速レバーを、前記無段変速装置の操作部材
及び前記副変速装置の操作部材にそれぞれ連牽手
段を介して連結して、該変速レバーの前後・左右
いずれか一方の操作に基づき前記無段変速装置を
操作すると共に他方の操作に基づき前記副変速装
置を操作し、 そして前記変速レバーを、前後左右方向の中央
操作位置に操作することに連動して、前記定速装
置及び無段変速装置の周速差を零にすると共に前
記副変速装置を中立操作するように構成したこと
を特徴とする、 移動農機におけるレバー装置。[Claims for Utility Model Registration] A traveling aircraft has a constant speed device and a continuously variable transmission device on the left and right sides that rotate in opposite directions, and the rotations of the constant speed device and the continuously variable transmission device are combined by a differential device. A mobile agricultural machine in which a speed change lever is disposed on one side of the traveling machine body, and the speed change lever is connected to an operating member of the continuously variable transmission device. and are connected to the operation members of the sub-transmission device through linking means, so that the continuously variable transmission is operated based on the operation of either the front, rear, left or right side of the shift lever, and the sub-transmission is operated based on the operation of the other. In conjunction with operating the transmission and moving the shift lever to a central operating position in the longitudinal and lateral directions, the peripheral speed difference between the constant speed device and the continuously variable transmission is reduced to zero, and the sub-transmission device A lever device for a mobile agricultural machine, characterized in that it is configured to be operated neutrally.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989023534U JP2561940Y2 (en) | 1989-03-01 | 1989-03-01 | Lever device in mobile agricultural machine |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1989023534U JP2561940Y2 (en) | 1989-03-01 | 1989-03-01 | Lever device in mobile agricultural machine |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH02114254U true JPH02114254U (en) | 1990-09-12 |
| JP2561940Y2 JP2561940Y2 (en) | 1998-02-04 |
Family
ID=31242605
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1989023534U Expired - Lifetime JP2561940Y2 (en) | 1989-03-01 | 1989-03-01 | Lever device in mobile agricultural machine |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2561940Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53109645U (en) * | 1977-02-09 | 1978-09-02 | ||
| JPS60175861A (en) * | 1984-02-20 | 1985-09-10 | Seirei Ind Co Ltd | Stepless speed change gear which can be revolved normally and reversely |
-
1989
- 1989-03-01 JP JP1989023534U patent/JP2561940Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS53109645U (en) * | 1977-02-09 | 1978-09-02 | ||
| JPS60175861A (en) * | 1984-02-20 | 1985-09-10 | Seirei Ind Co Ltd | Stepless speed change gear which can be revolved normally and reversely |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2561940Y2 (en) | 1998-02-04 |