JPS63144369U - - Google Patents
Info
- Publication number
- JPS63144369U JPS63144369U JP3719187U JP3719187U JPS63144369U JP S63144369 U JPS63144369 U JP S63144369U JP 3719187 U JP3719187 U JP 3719187U JP 3719187 U JP3719187 U JP 3719187U JP S63144369 U JPS63144369 U JP S63144369U
- Authority
- JP
- Japan
- Prior art keywords
- wheel steering
- phase
- steered
- detection means
- rear wheels
- 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
- 238000001514 detection method Methods 0.000 claims 3
- 238000010586 diagram Methods 0.000 description 3
- 230000007935 neutral effect Effects 0.000 description 2
- 230000000694 effects Effects 0.000 description 1
Landscapes
- Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
Description
第１図は本考案の一実施例を示す全体構成図、
第２図は制御ブロツク図、第３図は舵角特性図、
第４図は制御フローチヤート図、第５図は操舵モ
ードの判断マツプ図、第６図は効果の一例を説明
する平面図である。
１７…油圧シリンダ、２３……切換バルブ、３
１……車速センサ、３３……フロント舵角センサ
、３４……フロント中立センサ、３５……リア舵
角センサ、３６……リア中立センサ、３７……モ
ード切換スイツチ、４０……制御ユニツト。
FIG. 1 is an overall configuration diagram showing an embodiment of the present invention;
Figure 2 is a control block diagram, Figure 3 is a steering angle characteristic diagram,
FIG. 4 is a control flowchart, FIG. 5 is a steering mode determination map, and FIG. 6 is a plan view illustrating an example of the effect. 17...Hydraulic cylinder, 23...Switching valve, 3
1... Vehicle speed sensor, 33... Front steering angle sensor, 34... Front neutral sensor, 35... Rear steering angle sensor, 36... Rear neutral sensor, 37... Mode changeover switch, 40... Control unit.
Claims (1)
モード、後輪を前輪と同位相に操舵する同位相４
輪操舵モードおよび後輪を非操舵とする２輪操舵
モードの走行を選択的に行うことができる４輪操
舵車において、エンジン始動検出手段と前輪舵角
検出手段と後輪舵角検出手段とからの信号に基づ
いてキーオン時の操舵モードを決める制御手段を
設けたことを特徴とする４輪操舵車。 Opposite-phase 4-wheel steering mode, in which the rear wheels are steered in the opposite phase to the front wheels, and same-phase 4, in which the rear wheels are steered in the same phase as the front wheels.
A four-wheel steering vehicle capable of selectively running in a wheel steering mode and a two-wheel steering mode in which the rear wheels are not steered includes an engine start detection means, a front wheel steering angle detection means, and a rear wheel steering angle detection means. A four-wheel steering vehicle characterized by comprising a control means for determining a steering mode when a key is turned on based on a signal from the four-wheel steering vehicle.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987037191U JPH0512143Y2 (en) | 1987-03-16 | 1987-03-16 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1987037191U JPH0512143Y2 (en) | 1987-03-16 | 1987-03-16 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS63144369U true JPS63144369U (en) | 1988-09-22 |
| JPH0512143Y2 JPH0512143Y2 (en) | 1993-03-26 |
Family
ID=30848299
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1987037191U Expired - Lifetime JPH0512143Y2 (en) | 1987-03-16 | 1987-03-16 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0512143Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0359272U (en) * | 1989-10-16 | 1991-06-11 |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP4195322B2 (en) * | 2003-03-24 | 2008-12-10 | 株式会社ショーシン | Agricultural vehicle |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6173476U (en) * | 1984-10-22 | 1986-05-19 |
-
1987
- 1987-03-16 JP JP1987037191U patent/JPH0512143Y2/ja not_active Expired - Lifetime
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6173476U (en) * | 1984-10-22 | 1986-05-19 |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0359272U (en) * | 1989-10-16 | 1991-06-11 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0512143Y2 (en) | 1993-03-26 |