JPS6340272U - - Google Patents
Info
- Publication number
- JPS6340272U JPS6340272U JP13466286U JP13466286U JPS6340272U JP S6340272 U JPS6340272 U JP S6340272U JP 13466286 U JP13466286 U JP 13466286U JP 13466286 U JP13466286 U JP 13466286U JP S6340272 U JPS6340272 U JP S6340272U
- Authority
- JP
- Japan
- Prior art keywords
- brake
- parking
- pressure
- pressure detector
- main
- 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
- 238000010586 diagram Methods 0.000 description 7
Landscapes
- Braking Systems And Boosters (AREA)
- Valves And Accessory Devices For Braking Systems (AREA)
Description
第１図および第２図はこの考案の第１の実施例
を示し、第１図は主ブレーキ装置および駐車ブレ
ーキ装置の圧力回路の概略図、第２図はブレーキ
表示ランプの回路図である。第３図および第４図
は第２の実施例を示し、第３図は第１図に相当す
る圧力回路の概略図、第４図は第２図に相当する
回路図である。第５図ないし第７図は従来例を示
し、第５図は第１図に相当する圧力回路図、第６
図はブレーキ切換弁３の側面図、第７図はブレー
キ表示ランプの回路図である。
２１：圧気源、２３：走行用ブレーキ弁、２４
：ブレーキ切換弁、２５：駐車ブレーキ装置、２
６：主ブレーキ装置、３２：主ブレーキ圧力スイ
ツチ（主ブレーキ圧力検知器）、３３，３９：駐
車ブレーキ圧力スイツチ（駐車ブレーキ圧力検知
器）、３６：主ブレーキ表示ランプ、３７：駐車
ブレーキ表示ランプ。
1 and 2 show a first embodiment of this invention, with FIG. 1 being a schematic diagram of the pressure circuits of the main brake device and parking brake device, and FIG. 2 being a circuit diagram of the brake indicator lamp. 3 and 4 show a second embodiment, with FIG. 3 being a schematic diagram of a pressure circuit corresponding to FIG. 1, and FIG. 4 being a circuit diagram corresponding to FIG. 2. Figures 5 to 7 show conventional examples, Figure 5 is a pressure circuit diagram corresponding to Figure 1, and Figure 6 is a pressure circuit diagram corresponding to Figure 1.
The figure is a side view of the brake switching valve 3, and FIG. 7 is a circuit diagram of the brake indicator lamp. 21: Pressure source, 23: Brake valve for traveling, 24
: Brake switching valve, 25: Parking brake device, 2
6: Main brake device, 32: Main brake pressure switch (main brake pressure detector), 33, 39: Parking brake pressure switch (parking brake pressure detector), 36: Main brake indicator lamp, 37: Parking brake indicator lamp.
Claims (1)
キ装置との間に設けられたブレーキ切換弁により
走行、駐車、作業に相応したブレーキ圧力回路を
形成する作業車両のブレーキ表示装置において、
ブレーキ切換弁と主ブレーキ装置とを連通する管
路に設けられた所定の圧力を検知する主ブレーキ
圧力検知器と、前記ブレーキ切換弁と駐車ブレー
キ装置とを連通する管路に設けられた所定の圧力
を検知する駐車ブレーキ圧力検知器と、この駐車
ブレーキ圧力検知器の出力信号によつて作動する
リレーと、前記駐車ブレーキ圧力検知器の出力信
号によつて点消灯する駐車ブレーキ表示ランプと
、前記主ブレーキ圧力検知器の出力信号および前
記リレーの作動によつて点消灯する主ブレーキ表
示ランプとからなることを特徴とする作業車両の
ブレーキ表示装置。 A brake display device for a work vehicle that forms a brake pressure circuit suitable for driving, parking, and work by a brake switching valve provided between a pressure source and a main brake device and a pressure source and a parking brake device,
A main brake pressure detector that detects a predetermined pressure is provided in a conduit that communicates between the brake selector valve and the main brake device, and a predetermined pressure detector that is provided in a conduit that communicates the brake selector valve and the parking brake device. a parking brake pressure detector for detecting pressure; a relay activated by an output signal of the parking brake pressure detector; a parking brake indicator lamp turned on and off by the output signal of the parking brake pressure detector; A brake display device for a work vehicle, comprising an output signal from a main brake pressure detector and a main brake display lamp that turns on and off in response to the operation of the relay.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986134662U JPH0433180Y2 (en) | 1986-09-02 | 1986-09-02 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1986134662U JPH0433180Y2 (en) | 1986-09-02 | 1986-09-02 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPS6340272U true JPS6340272U (en) | 1988-03-16 |
| JPH0433180Y2 JPH0433180Y2 (en) | 1992-08-10 |
Family
ID=31036112
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP1986134662U Expired JPH0433180Y2 (en) | 1986-09-02 | 1986-09-02 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0433180Y2 (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0265422U (en) * | 1988-10-29 | 1990-05-17 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57188566U (en) * | 1981-05-28 | 1982-11-30 | ||
| JPS608147A (en) * | 1983-06-27 | 1985-01-17 | Hitachi Constr Mach Co Ltd | Brake circuit for wheel type hydraulic shovel |
-
1986
- 1986-09-02 JP JP1986134662U patent/JPH0433180Y2/ja not_active Expired
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS57188566U (en) * | 1981-05-28 | 1982-11-30 | ||
| JPS608147A (en) * | 1983-06-27 | 1985-01-17 | Hitachi Constr Mach Co Ltd | Brake circuit for wheel type hydraulic shovel |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH0265422U (en) * | 1988-10-29 | 1990-05-17 |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0433180Y2 (en) | 1992-08-10 |