JPH0438883U - - Google Patents
Info
- Publication number
- JPH0438883U JPH0438883U JP8058190U JP8058190U JPH0438883U JP H0438883 U JPH0438883 U JP H0438883U JP 8058190 U JP8058190 U JP 8058190U JP 8058190 U JP8058190 U JP 8058190U JP H0438883 U JPH0438883 U JP H0438883U
- Authority
- JP
- Japan
- Prior art keywords
- steering
- lock
- switch
- wheel
- mode
- 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.)
- Pending
Links
- 238000001514 detection method Methods 0.000 claims description 7
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Steering-Linkage Mechanisms And Four-Wheel Steering (AREA)
Description
第１図ａ，ｂはこの考案によるリヤステアリン
グロツク回路のシステム説明図であつて、第１図
ａは下部車体側、第１図ｂは上部車体側を示し、
第２図は自走式クレーン車の外観側面図である。
３……ステアリングモードソレノイドバルブ、
５……リヤステロツクソレノイドバルブ、６……
リヤステアリングロツクシリンダ、７……油圧ス
イツチ、８……ロツク検出スイツチ、９……セン
タ検出スイツチ、１０……解除検出スイツチ、１
１……リヤステロツク検出リレー、１２……リヤ
ステロツクピン操作検出リレー、６１……ステア
リングモードスイツチ、６２……リヤステロツク
スイツチ、６３……インジケータランプ。
Figures 1a and 1b are system explanatory diagrams of the rear steering lock circuit according to this invention, with Figure 1a showing the lower vehicle body side and Figure 1b showing the upper vehicle body side.
FIG. 2 is an external side view of the self-propelled crane vehicle. 3...Steering mode solenoid valve,
5...Rear steering solenoid valve, 6...
Rear steering lock cylinder, 7...Hydraulic switch, 8...Lock detection switch, 9...Center detection switch, 10...Release detection switch, 1
1... Rear steering wheel detection relay, 12... Rear steering wheel pin operation detection relay, 61... Steering mode switch, 62... Rear steering wheel switch, 63... Indicator lamp.
Claims (1)
輪操向機構ロツク装置を有する車両において、リ
ヤステアリングをロツクする手段であるロツクシ
リンダのロツク作動時に、該ロツクシリンダ内の
油圧リリーフ圧を検知する手段である油圧スイツ
チを設け、ロツク作動完了時には該油圧スイツチ
の信号をリヤステロツク検出リレーを経由して、
ステアリングモードを制御する手段であるステア
リングモードバルブに送つて、４輪モードから２
輪モードに切換え、“フリー”、“センタ”、“
ロツク”の検出スイツチと、それぞれの各インジ
ケータランプを設けることにより、リヤステアリ
ングをロツクする手段の作動状況を信号として表
示することを特長とした、リヤステアリングロツ
ク回路。 In a four-wheel steering vehicle capable of front and rear wheel steering, which has a rear wheel steering mechanism lock device, when the lock cylinder, which is a means for locking the rear steering, is locked, the hydraulic pressure relief in the lock cylinder is activated. A hydraulic switch is provided as a means for detecting the pressure, and when the lock operation is completed, the signal from the hydraulic switch is sent via the rear lock detection relay.
It is sent to the steering mode valve, which is a means of controlling the steering mode, and changes from 4-wheel mode to 2.
Switch to wheel mode, “Free”, “Center”, “
This rear steering lock circuit is characterized by displaying the operating status of the means for locking the rear steering as a signal by providing a detection switch for locking the rear steering and respective indicator lamps.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8058190U JPH0438883U (en) | 1990-07-31 | 1990-07-31 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8058190U JPH0438883U (en) | 1990-07-31 | 1990-07-31 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0438883U true JPH0438883U (en) | 1992-04-02 |
Family
ID=31625774
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8058190U Pending JPH0438883U (en) | 1990-07-31 | 1990-07-31 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0438883U (en) |
-
1990
- 1990-07-31 JP JP8058190U patent/JPH0438883U/ja active Pending
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