JPH01108827U - - Google Patents
Info
- Publication number
- JPH01108827U JPH01108827U JP1988004117U JP411788U JPH01108827U JP H01108827 U JPH01108827 U JP H01108827U JP 1988004117 U JP1988004117 U JP 1988004117U JP 411788 U JP411788 U JP 411788U JP H01108827 U JPH01108827 U JP H01108827U
- Authority
- JP
- Japan
- Prior art keywords
- front wheel
- switching mechanism
- drive
- state switching
- view
- 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 4
- 230000001133 acceleration Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Arrangement And Driving Of Transmission Devices (AREA)
- Non-Deflectable Wheels, Steering Of Trailers, Or Other Steering (AREA)
Description
図面は本考案の一実施例を示すものであつて、
第１図は切換装置の横断面図、第２図は同上一部
の断面図、第３図は人為操作装置の側面図、第４
図はクラツチ部の断面図、第５図は前輪駆動部の
展開断面図、第６―１図、第６―２図及び第６―
３図は制御弁の作用を示す断面図、第７図は油圧
回路図、第８図は注油部の断面図、第９図は伝動
系統図、第１０図は農用トラクタの側面図、第１
１図は油圧配管を示す側面図、第１２図は同上平
面図である。
１１……差動装置、２４……前輪駆動軸、２５
……ブレーキ軸、２７……後部ミツシヨン、３２
……サポート、３６……スリーブ、４０……ピス
トン、５３……シフトレール、６９……フオーク
、７３……スプール部、７４……アーム、７６…
…回動軸、７９……筒体、８６，８８……凹凸爪
、８９……ねじりバネ、９９……操作レバー。
The drawings show one embodiment of the present invention,
Fig. 1 is a cross-sectional view of the switching device, Fig. 2 is a sectional view of a part of the same, Fig. 3 is a side view of the human operating device, and Fig. 4 is a cross-sectional view of the switching device.
The figure is a cross-sectional view of the clutch part, Figure 5 is a developed cross-sectional view of the front wheel drive part, Figures 6-1, 6-2, and 6-
Figure 3 is a sectional view showing the action of the control valve, Figure 7 is a hydraulic circuit diagram, Figure 8 is a sectional view of the oil supply section, Figure 9 is a transmission system diagram, Figure 10 is a side view of the agricultural tractor, and Figure 1 is a side view of the agricultural tractor.
FIG. 1 is a side view showing the hydraulic piping, and FIG. 12 is a plan view of the same. 11...Differential device, 24...Front wheel drive shaft, 25
... Brake shaft, 27 ... Rear transmission, 32
... Support, 36 ... Sleeve, 40 ... Piston, 53 ... Shift rail, 69 ... Fork, 73 ... Spool section, 74 ... Arm, 76 ...
... Rotating shaft, 79 ... Cylindrical body, 86, 88 ... Concave and convex pawl, 89 ... Torsion spring, 99 ... Operation lever.
Claims (1)
変速装置を介装し、前記駆動状態切換機構と、前
輪非駆動位置、前輪駆動位置及び前輪増速待機位
置に切換える人為操作具との間に、駆動体と被動
体を回動遊びを付して噛合させると共にねじりバ
ネ８９により一方向に回動付勢してなる連繋装置
を介装して人為操作具を前輪増速待機位置にセツ
トした状態で前記駆動状態切換機構を前輪増速位
置に切換え得るように構成したことを特徴とする
農用トラクタにおける前輪増速操作装置。 A front wheel transmission having a drive state switching mechanism is interposed in the front wheel transmission system, and between the drive state switching mechanism and a human operating tool for switching the front wheels to a non-drive position, a front wheel drive position, and a front wheel acceleration standby position, A state in which the human operating tool is set at the front wheel speed increase standby position by interposing a linking device in which the driving body and the driven body are meshed with rotational play and rotationally biased in one direction by a torsion spring 89. A front wheel speed increasing operation device for an agricultural tractor, characterized in that the drive state switching mechanism is configured to be able to switch to a front wheel speed increasing position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988004117U JPH0547702Y2 (en) | 1988-01-17 | 1988-01-17 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1988004117U JPH0547702Y2 (en) | 1988-01-17 | 1988-01-17 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH01108827U true JPH01108827U (en) | 1989-07-24 |
| JPH0547702Y2 JPH0547702Y2 (en) | 1993-12-16 |
Family
ID=31206343
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1988004117U Expired - Lifetime JPH0547702Y2 (en) | 1988-01-17 | 1988-01-17 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0547702Y2 (en) |
-
1988
- 1988-01-17 JP JP1988004117U patent/JPH0547702Y2/ja not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0547702Y2 (en) | 1993-12-16 |
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