JPH03121978U - - Google Patents
Info
- Publication number
- JPH03121978U JPH03121978U JP3093090U JP3093090U JPH03121978U JP H03121978 U JPH03121978 U JP H03121978U JP 3093090 U JP3093090 U JP 3093090U JP 3093090 U JP3093090 U JP 3093090U JP H03121978 U JPH03121978 U JP H03121978U
- Authority
- JP
- Japan
- Prior art keywords
- steering
- wheel
- gearbox
- link
- switching
- 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
- 230000007935 neutral effect Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
Description
第１図及び第２図は本考案の一実施例の全体構
成を示す斜視図及び制御回路図、第３図は操舵切
換機構を示す側断面図、第４図は第３図のＺ矢視
図、第５図及び第６図はフロントロツクアクチユ
エータを示す上面図及び側面図、第７図及び第８
図はロツク開始状態及びロツク完了状態を示す正
面図、第９図及び第１０図は２ＷＳ時及び後輪２
ＷＳ時の状態を示す正面図、第１１図は２ＷＳモ
ードを後輪２ＷＳモードに切換える制御フローチ
ヤート図、第１２図は後輪２ＷＳモードを２ＷＳ
モードに切換える制御フローチヤート図、第１３
図は本考案が実施される４輪操舵車の全体構成を
示す斜視図である。
２……ギヤボツクス、４……フロントドラツグ
リンク、５……フロントステアリングアーム、３
０……モード切換ギヤボツクス、４０……操舵切
換機構、４１……第２のアーム、４２……ロツク
ピン、４４……エアシリンダ、５０……フロント
ロツクアクチユエータ、５３……ロツカアーム、
５５……エアシリンダ、６０……ロツクピン、６
１……アクチユエータロツク機構、６９……ロツ
クレバー。
1 and 2 are a perspective view and a control circuit diagram showing the overall configuration of an embodiment of the present invention, FIG. 3 is a side sectional view showing the steering switching mechanism, and FIG. 4 is a view taken from the Z arrow in FIG. 3. Figures 5 and 6 are top and side views showing the front lock actuator, Figures 7 and 8.
The figure is a front view showing the lock start state and the lock completion state, and Figures 9 and 10 are at 2WS and the rear wheel
A front view showing the state during WS, Fig. 11 is a control flow chart for switching the 2WS mode to the rear wheel 2WS mode, and Fig. 12 shows the rear wheel 2WS mode switching to the 2WS mode.
Control flowchart for switching to mode, No. 13
The figure is a perspective view showing the overall configuration of a four-wheel steered vehicle in which the present invention is implemented. 2...Gearbox, 4...Front drag link, 5...Front steering arm, 3
0... Mode switching gear box, 40... Steering switching mechanism, 41... Second arm, 42... Lock pin, 44... Air cylinder, 50... Front lock actuator, 53... Locker arm,
55...Air cylinder, 60...Lock pin, 6
1... Actuator lock mechanism, 69... Lock lever.
Claims (1)
ド切換ギヤボツクスを介して後輪を操舵する４輪
操舵車において、前記ステアリングホイールのギ
ヤボツクスに連結され前輪を操舵するリンクの途
中に前記ギヤボツクス側を選択的にフリーにする
操舵切換機構を設けると共に、前輪を中立位置に
ロツクするフロントロツクアクチユエータを設け
たことを特徴とする４輪操舵車の操舵切換装置。 In a four-wheel steering vehicle in which the rear wheels are steered from a steering wheel through a link and a rear wheel mode switching gearbox, the gearbox side is selectively made free in the middle of the link that is connected to the gearbox of the steering wheel and steers the front wheels. 1. A steering switching device for a four-wheel steered vehicle, comprising a steering switching mechanism and a front lock actuator for locking front wheels in a neutral position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990030930U JP2511869Y2 (en) | 1990-03-28 | 1990-03-28 | Steering switching device for four-wheel steering vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1990030930U JP2511869Y2 (en) | 1990-03-28 | 1990-03-28 | Steering switching device for four-wheel steering vehicle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH03121978U true JPH03121978U (en) | 1991-12-12 |
| JP2511869Y2 JP2511869Y2 (en) | 1996-09-25 |
Family
ID=31533652
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1990030930U Expired - Lifetime JP2511869Y2 (en) | 1990-03-28 | 1990-03-28 | Steering switching device for four-wheel steering vehicle |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JP2511869Y2 (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6394086U (en) * | 1986-12-04 | 1988-06-17 | ||
| JPH0217479U (en) * | 1988-07-21 | 1990-02-05 |
-
1990
- 1990-03-28 JP JP1990030930U patent/JP2511869Y2/en not_active Expired - Lifetime
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6394086U (en) * | 1986-12-04 | 1988-06-17 | ||
| JPH0217479U (en) * | 1988-07-21 | 1990-02-05 |
Also Published As
| Publication number | Publication date |
|---|---|
| JP2511869Y2 (en) | 1996-09-25 |