JPS62145874U - - Google Patents
Info
- Publication number
- JPS62145874U JPS62145874U JP3419386U JP3419386U JPS62145874U JP S62145874 U JPS62145874 U JP S62145874U JP 3419386 U JP3419386 U JP 3419386U JP 3419386 U JP3419386 U JP 3419386U JP S62145874 U JPS62145874 U JP S62145874U
- Authority
- JP
- Japan
- Prior art keywords
- pneumatic
- relay
- vehicle
- relay valve
- valve
- 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.)
- Granted
Links
- 230000005540 biological transmission Effects 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 1
Landscapes
- Braking Systems And Boosters (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
Description
第１図及び第２図は本考案の一実施例を示す概
略構成図である。
１０……電源（バツテリ）、１２……下部運転
室用メーンスイツチ、１２′……上部運転室用メ
ーンスイツチ、１４及び１４′……主電源リレー
、１６及び１６′……制御リレー、３２……駐車
ブレーキ装置、３４……スプリングチヤンバ、３
８……圧縮空気源、４０……空気圧リレーバルブ
、４４及び４４′……三方向電磁弁、４８……ダ
ブルチエツクバルブ、５０……手動制御弁、５４
……駐車ブレーキスイツチ、５６及び５８……プ
レツシヤスイツチ。
1 and 2 are schematic configuration diagrams showing one embodiment of the present invention. 10...Power supply (battery), 12...Main switch for lower cab, 12'...Main switch for upper cab, 14 and 14'...Main power relay, 16 and 16'...Control relay, 32... ...Parking brake device, 34...Spring chamber, 3
8...Compressed air source, 40...Pneumatic relay valve, 44 and 44'...Three-way solenoid valve, 48...Double check valve, 50...Manual control valve, 54
... Parking brake switch, 56 and 58 ... Pressure switch.
Claims (1)
ン等の作業装置に設けられた上部運転室とを具え
た作業用車両において、車載バツテリ等の電源、
上記電源と車両の種々の電気装置との間に介装さ
れた主電源リレー、上記主電源リレーの開閉を司
掌する制御リレー、信号空気圧に応答し上記車両
の駐車ブレーキ装置に圧縮空気を供給し又は排除
することにより同ブレーキ装置を釈放し又は作動
させる空気圧リレーバルブ、上記空気圧リレーバ
ルブの空気圧信号回路内に介装され、その手動操
作によつて同リレーバルブへの信号空気圧の伝達
を制御する手動制御弁、及び上記空気圧リレーバ
ルブと手動制御弁との間の空気圧信号回路内に介
装され、上記制御リレーの作動を制御する圧力ス
イツチを具えてなることを特徴とする作業用車両
の駐車ブレーキ安全装置。 In a work vehicle equipped with an original driver's cab of the vehicle and an upper driver's cab mounted on the same vehicle and provided with a working device such as a crane, a power source such as an on-board battery,
A main power relay interposed between the power source and various electrical devices of the vehicle, a control relay that controls opening and closing of the main power relay, and a supply of compressed air to the parking brake device of the vehicle in response to signal air pressure. a pneumatic relay valve that releases or activates the brake device by removing or removing the brake; the pneumatic relay valve is interposed in the pneumatic signal circuit of the pneumatic relay valve, and its manual operation controls the transmission of the signal pneumatic pressure to the relay valve; and a pressure switch interposed in a pneumatic signal circuit between the pneumatic relay valve and the manual control valve to control the operation of the control relay. Parking brake safety device.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986034193U JPH0447019Y2 (en) | 1986-03-10 | 1986-03-10 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986034193U JPH0447019Y2 (en) | 1986-03-10 | 1986-03-10 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS62145874U true JPS62145874U (en) | 1987-09-14 |
| JPH0447019Y2 JPH0447019Y2 (en) | 1992-11-06 |
Family
ID=30842511
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986034193U Expired JPH0447019Y2 (en) | 1986-03-10 | 1986-03-10 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0447019Y2 (en) |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5981661U (en) * | 1982-11-26 | 1984-06-01 | 日産ディーゼル工業株式会社 | parking brake device |
-
1986
- 1986-03-10 JP JP1986034193U patent/JPH0447019Y2/ja not_active Expired
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5981661U (en) * | 1982-11-26 | 1984-06-01 | 日産ディーゼル工業株式会社 | parking brake device |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0447019Y2 (en) | 1992-11-06 |
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