JPS60152569U - Brake circuit of work vehicle - Google Patents
Brake circuit of work vehicleInfo
- Publication number
- JPS60152569U JPS60152569U JP4039284U JP4039284U JPS60152569U JP S60152569 U JPS60152569 U JP S60152569U JP 4039284 U JP4039284 U JP 4039284U JP 4039284 U JP4039284 U JP 4039284U JP S60152569 U JPS60152569 U JP S60152569U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- brake
- brake valve
- working
- work vehicle
- 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
Abstract
(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.
Description
第１図は従来の作業車両のブレーキ回路を示す回路図、
第２図は本考案に係る作業車両のブレーキ回路の第１実
施例を示す回路図、第３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４図は本考案
に係る作業車両のブレーキ回路の第３実施例を示す回路
図である。
１：空気圧源、７：走行用ブレーキ弁、８：作業用ブレ
ーキ弁、９：シャトル弁、１２：空気圧油圧変換倍力装
置、１５：ホイールシリンダ、１７：ブレーキシュー、
１８ニブレーキドラム、１９．２０：方向切換弁、２１
．２２：操作レバー、２Ｂ、２９：空圧操作方向切換弁
、３ｏ、３１：パイロット管路、３２，３３：電磁式方
向切換弁、３４．３６：電気回路、３５．３７：スイッ
チ。Figure 1 is a circuit diagram showing the brake circuit of a conventional work vehicle.
2 is a circuit diagram showing a first embodiment of the brake circuit for a working vehicle according to the present invention, FIG. 3 is a circuit diagram showing a second embodiment of the brake circuit for a working vehicle according to the present invention, and FIG. 4 is a circuit diagram showing a second embodiment of the brake circuit for a working vehicle according to the present invention. FIG. 3 is a circuit diagram showing a third embodiment of a brake circuit for a work vehicle according to the present invention. 1: Air pressure source, 7: Brake valve for traveling, 8: Brake valve for work, 9: Shuttle valve, 12: Air pressure hydraulic conversion booster, 15: Wheel cylinder, 17: Brake shoe,
18 Brake drum, 19.20: Directional switching valve, 21
．． 22: Operation lever, 2B, 29: Pneumatic operation directional switching valve, 3o, 31: Pilot pipe line, 32, 33: Electromagnetic directional switching valve, 34. 36: Electric circuit, 35. 37: Switch.
Claims (1)
ルシリンダを作動する作業車両のブレーキ回路において
、前記空気圧源と前記ホイールシリンダとの間に走行用
ブレーキ弁と作業用ブレーキ弁とを並列に介設し、前記
走行用ブレーキ弁および作業用ブレーキ弁の下流にそれ
ぞれ切換位置に逆止弁を設定した方向切換弁を介設し、
前記走゛ 行用ブレーキ弁と前記作業用ブレーキ弁の
下流に介設した方向切換弁との間、および前記作業用ブ
レーキ弁と前記走行用ブレーキ弁の下流に介設した方向
切換弁との間に、それぞれこれらを同時に切換えるため
の操作手段を設けたことを特徴とす、 る、作業車
両のブレーキ回路。In a brake circuit for a working vehicle that operates a wheel cylinder using pressurized air supplied from a pneumatic source as a power source, a traveling brake valve and a working brake valve are interposed in parallel between the pneumatic pressure source and the wheel cylinder. and a directional switching valve with a check valve set at a switching position is provided downstream of the traveling brake valve and the working brake valve, respectively,
between the traveling brake valve and a directional switching valve provided downstream of the working brake valve; and between the working brake valve and a directional switching valve provided downstream of the traveling brake valve. A brake circuit for a work vehicle, characterized in that the brake circuit for a work vehicle is provided with an operation means for switching each of these simultaneously.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4039284U JPS60152569U (en) | 1984-03-23 | 1984-03-23 | Brake circuit of work vehicle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP4039284U JPS60152569U (en) | 1984-03-23 | 1984-03-23 | Brake circuit of work vehicle |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS60152569U true JPS60152569U (en) | 1985-10-11 |
Family
ID=30549237
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP4039284U Pending JPS60152569U (en) | 1984-03-23 | 1984-03-23 | Brake circuit of work vehicle |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS60152569U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63114873U (en) * | 1987-01-22 | 1988-07-23 |
-
1984
- 1984-03-23 JP JP4039284U patent/JPS60152569U/en active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS63114873U (en) * | 1987-01-22 | 1988-07-23 |
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