JPS6389871U - - Google Patents
Info
- Publication number
- JPS6389871U JPS6389871U JP18495486U JP18495486U JPS6389871U JP S6389871 U JPS6389871 U JP S6389871U JP 18495486 U JP18495486 U JP 18495486U JP 18495486 U JP18495486 U JP 18495486U JP S6389871 U JPS6389871 U JP S6389871U
- Authority
- JP
- Japan
- Prior art keywords
- sensor
- switching valve
- clutch
- brake
- parking brake
- 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
- 239000012530 fluid Substances 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Description
図はこの考案の一実施例を示し、第１図は制御
回路のブロツク図、第２図は自走車両の要部側面
図である。
３……走行クラツチ、５……パーキングブレー
キ機構、１０……マスタシリンダ、１１……切替
弁、１２……ホイールシリンダ、１５……制御部
、Ｓ１……クラツチセンサ、Ｓ２……パーキング
ブレーキセンサ。
The figures show one embodiment of this invention, with FIG. 1 being a block diagram of a control circuit, and FIG. 2 being a side view of essential parts of a self-propelled vehicle. 3... Traveling clutch, 5... Parking brake mechanism, 10... Master cylinder, 11... Switching valve, 12... Wheel cylinder, 15... Control section, S1 ... Clutch sensor, S2 ... Parking brake sensor.
Claims (1)
に連通する連通位置に、又はホイルシリンダ内の
ブレーキ液圧保持位置の何れかに択一に切替える
切替弁と、走行クラツチのクラツチ切操作を検知
して作動するクラツチセンサと、パーキングブレ
ーキ機構のブレーキ操作を検知して作動するパー
キングブレーキセンサと、クラツチセンサ及びパ
ーキングブレーキセンサの上記作動によつて保持
位置に切替弁を制御し、クラツチセンサの上記作
動解除によつて連通位置に切替弁を制御するよう
に構成されたブレーキ制御部とを有していること
を特徴とする坂道発進補助装置。 A switching valve that selectively switches the wheel cylinder of a self-propelled vehicle to a communication position communicating with the master cylinder or a brake fluid pressure holding position within the wheel cylinder, and is activated by detecting the clutch disengagement operation of the traveling clutch. A clutch sensor, a parking brake sensor that operates by detecting the brake operation of the parking brake mechanism, and the switching valve is controlled to the holding position by the above-mentioned operation of the clutch sensor and parking brake sensor, and the switching valve is controlled to the holding position by the above-mentioned release of the clutch sensor. and a brake control section configured to control a switching valve to a communicating position.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18495486U JPS6389871U (en) | 1986-12-02 | 1986-12-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP18495486U JPS6389871U (en) | 1986-12-02 | 1986-12-02 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6389871U true JPS6389871U (en) | 1988-06-10 |
Family
ID=31133126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP18495486U Pending JPS6389871U (en) | 1986-12-02 | 1986-12-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6389871U (en) |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5640591U (en) * | 1979-09-07 | 1981-04-15 | ||
| JPS6144036A (en) * | 1984-08-08 | 1986-03-03 | Nippon Air Brake Co Ltd | Brake holding device |
-
1986
- 1986-12-02 JP JP18495486U patent/JPS6389871U/ja active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5640591U (en) * | 1979-09-07 | 1981-04-15 | ||
| JPS6144036A (en) * | 1984-08-08 | 1986-03-03 | Nippon Air Brake Co Ltd | Brake holding device |