JPS622471U - - Google Patents
Info
- Publication number
- JPS622471U JPS622471U JP9291385U JP9291385U JPS622471U JP S622471 U JPS622471 U JP S622471U JP 9291385 U JP9291385 U JP 9291385U JP 9291385 U JP9291385 U JP 9291385U JP S622471 U JPS622471 U JP S622471U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- pilot valve
- brake
- air supply
- air
- 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
- 238000006243 chemical reaction Methods 0.000 claims description 4
- 238000010586 diagram Methods 0.000 description 3
Landscapes
- Operation Control Of Excavators (AREA)
- Braking Systems And Boosters (AREA)
- Fluid-Pressure Circuits (AREA)
Description
第１図は本考案に係る作業車両のブレーキ回路
の第１実施例を示す回路図、第２図は本考案に係
る作業車両のブレーキ回路の第２実施例を示す回
路図、第３図は従来の作業車両のブレーキ回路を
示す回路図である。
１：空気圧源、１ａ：空気供給管路、７：走行
用ブレーキ弁、８：作業用ブレーキ弁、９，１０
：パイロツト弁、１３，１５：空気圧油圧変換倍
力装置、１７，２２：ブレーキ機構、１８，２３
：ホイールシリンダ、２１，２６：油管路、３０
：パイロツト弁、３１，３２：空気管路。
FIG. 1 is a circuit diagram showing a first embodiment of a brake circuit for a work vehicle according to the present invention, FIG. 2 is a circuit diagram showing a second embodiment of a brake circuit for a work vehicle according to the present invention, and FIG. FIG. 2 is a circuit diagram showing a brake circuit of a conventional work vehicle. 1: Air pressure source, 1a: Air supply pipe, 7: Brake valve for traveling, 8: Brake valve for work, 9, 10
: Pilot valve, 13, 15: Air pressure hydraulic conversion booster, 17, 22: Brake mechanism, 18, 23
: Wheel cylinder, 21, 26: Oil pipe line, 30
: Pilot valve, 31, 32: Air pipe line.
Claims (1)
に接続されたブレーキ弁と、このブレーキ弁によ
つて切り換えられるパイロツト弁と、このパイロ
ツト弁を介して前記空気供給管路に接続され、前
記ブレーキ弁が切り換えられたとき作動する複数
の空気圧油圧変換倍力装置と、これら複数の空気
圧油圧変換倍力装置の油室と接続されたホイール
シリンダとを備えた作業車両のブレーキ回路にお
いて、前記空気圧源からの空気供給管路に１つの
パイロツト弁を設け、このパイロツト弁の出力ポ
ートに前記複数の空気圧油圧変換倍力装置の空気
室と連絡する複数の空気管路を接続したことを特
徴とする作業車両のブレーキ回路。 an air pressure source, a brake valve connected to an air supply line from the air pressure source, a pilot valve switched by the brake valve, and a pilot valve connected to the air supply line via the pilot valve and connected to the brake valve. In a brake circuit for a working vehicle, the brake circuit includes a plurality of pneumatic-hydraulic conversion boosters that operate when a valve is switched, and a wheel cylinder connected to an oil chamber of the plurality of pneumatic-hydraulic conversion boosters. A work characterized in that one pilot valve is provided in the air supply pipe from the air supply pipe, and a plurality of air pipes communicating with the air chambers of the plurality of pneumatic-hydraulic conversion boosters are connected to the output port of the pilot valve. Vehicle brake circuit.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9291385U JPS622471U (en) | 1985-06-21 | 1985-06-21 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9291385U JPS622471U (en) | 1985-06-21 | 1985-06-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS622471U true JPS622471U (en) | 1987-01-09 |
Family
ID=30650130
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9291385U Pending JPS622471U (en) | 1985-06-21 | 1985-06-21 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS622471U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01105828A (en) * | 1987-09-11 | 1989-04-24 | Deere & Co | Selfpropelling working vehicle |
-
1985
- 1985-06-21 JP JP9291385U patent/JPS622471U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH01105828A (en) * | 1987-09-11 | 1989-04-24 | Deere & Co | Selfpropelling working vehicle |
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