JPH03277U - - Google Patents
Info
- Publication number
- JPH03277U JPH03277U JP5969789U JP5969789U JPH03277U JP H03277 U JPH03277 U JP H03277U JP 5969789 U JP5969789 U JP 5969789U JP 5969789 U JP5969789 U JP 5969789U JP H03277 U JPH03277 U JP H03277U
- Authority
- JP
- Japan
- Prior art keywords
- mode switching
- wheel steering
- pneumatic
- check valve
- air supply
- 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
- 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図は本考案の一実施例を示す全体構成図、
第２図はダブルチエツクバルブを示す側断面図、
第３図及び第４図は本考案が実施される４輪操舵
車の全体構成を示す上面図及び斜視図、第５図及
び第６図は本考案が実施されるモード切換ギヤボ
ツクス及びロツクユニツトの一例を示す側断面図
である。
３０……モード切換ギヤボツクス、４１……エ
アタンク、４２，４３……ソレノイドバルブ、４
４……ダブルチエツクバルブ、５０……ロツクユ
ニツト、５３……エアシリンダ。
FIG. 1 is an overall configuration diagram showing an embodiment of the present invention;
Figure 2 is a side sectional view showing a double check valve.
3 and 4 are top and perspective views showing the overall configuration of a four-wheel steering vehicle in which the present invention is implemented, and FIGS. 5 and 6 are examples of a mode switching gearbox and lock unit in which the present invention is implemented. FIG. 30...Mode switching gear box, 41...Air tank, 42, 43...Solenoid valve, 4
4...double check valve, 50...lock unit, 53...air cylinder.
Claims (1)
ドを切換える後輪操舵装置と、後輪を中立位置に
ロツクするロツク装置とを備えた４輪操舵装置に
おいて、前記モード切換ギヤボツクスのモード切
換用シリンダの同相給気口と逆相給気口とを空圧
源に連通する空圧回路にそれぞれ分岐回路を設け
、これら分岐回路をそれぞれダブルチエツクバル
ブの入口部に接続し、該ダブルチエツクバルブの
出口部を前記ロツク装置のロツクアクチユエータ
への空圧回路に接続したことを特徴とする４輪操
舵装置。 In a four-wheel steering system comprising a rear wheel steering device that switches the steering mode of the rear wheels by a mode switching gearbox, and a locking device that locks the rear wheels in a neutral position, the in-phase air supply of the mode switching cylinder of the mode switching gearbox is provided. A branch circuit is provided in each of the pneumatic circuits that communicate the port and the reverse phase air supply port with the pneumatic source, and these branch circuits are connected to the inlet of the double check valve, respectively, and the outlet of the double check valve is connected to the lock. A four-wheel steering device, characterized in that it is connected to a pneumatic circuit to a lock actuator of the device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5969789U JPH03277U (en) | 1989-05-25 | 1989-05-25 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5969789U JPH03277U (en) | 1989-05-25 | 1989-05-25 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH03277U true JPH03277U (en) | 1991-01-07 |
Family
ID=31586422
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5969789U Pending JPH03277U (en) | 1989-05-25 | 1989-05-25 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH03277U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6231670U (en) * | 1985-08-09 | 1987-02-25 |
-
1989
- 1989-05-25 JP JP5969789U patent/JPH03277U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6231670U (en) * | 1985-08-09 | 1987-02-25 |