JPS6217695U - - Google Patents
Info
- Publication number
- JPS6217695U JPS6217695U JP10730285U JP10730285U JPS6217695U JP S6217695 U JPS6217695 U JP S6217695U JP 10730285 U JP10730285 U JP 10730285U JP 10730285 U JP10730285 U JP 10730285U JP S6217695 U JPS6217695 U JP S6217695U
- Authority
- JP
- Japan
- Prior art keywords
- brake
- master cylinder
- pressure
- pipe
- operating tool
- 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
- 239000011888 foil Substances 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Braking Systems And Boosters (AREA)
- Carriers, Traveling Bodies, And Overhead Traveling Cranes (AREA)
- Braking Arrangements (AREA)
Description
第１図は本考案の実施例を示す油圧回路図、第
２図は従来例の油圧回路図である。
１０……操作具、２０……マスタシリンダ、２
１……タンクポート、３０……ブレーキ管路、４
０……ホイルシリンダ、４２……復帰ばね、５０
……ブレーキシユー、６０……ドラム、７０……
タンク、８０……圧油補給管路、８１……ポンプ
（油圧源）、８２……減圧弁、８３……チエツク
弁、８４……絞り弁。
FIG. 1 is a hydraulic circuit diagram showing an embodiment of the present invention, and FIG. 2 is a hydraulic circuit diagram of a conventional example. 10... Operating tool, 20... Master cylinder, 2
1...Tank port, 30...Brake pipe, 4
0...Foil cylinder, 42...Return spring, 50
...Brake shoe, 60...Drum, 70...
Tank, 80...pressure oil supply pipe, 81...pump (hydraulic source), 82...pressure reducing valve, 83...check valve, 84...throttle valve.
Claims (1)
ーにホイルシリンダを接続し、ホイルシリンダに
ブレーキ管路を介してマスタシリンダを接続し、
マスタシリンダにブレーキ操作具を設けてなる油
圧ブレーキ装置において、マスタシリンダに上記
操作具の非操作時にブレーキ管路をタンクに連通
させ同操作具の操作時にその連通を遮断するタン
クポートを設け、上記ブレーキ管路の途中に圧油
補給管路を分岐接続し、この圧油補給管路に油圧
源と、減圧弁と、減圧弁からブレーキ管路への流
れを許容しその逆流を阻止するチエツク弁とを設
け、減圧弁の設定圧力をブレーキ作動時にマスタ
シリンダから吐出される圧力より小さくかつ上記
ホイルシリンダの復帰ばねのばね力より大きく設
定したことを特徴とする油圧ブレーキ装置。 A wheel cylinder is connected to a brake shoe provided so as to be able to move toward and away from the rotating body, and a master cylinder is connected to the wheel cylinder via a brake pipe.
In a hydraulic brake device in which a master cylinder is provided with a brake operating tool, the master cylinder is provided with a tank port that communicates a brake pipe line with a tank when the operating tool is not operated and cuts off the communication when the operating tool is operated. A pressure oil supply pipe is branched and connected in the middle of the brake pipe, and this pressure oil supply pipe is equipped with a hydraulic source, a pressure reducing valve, and a check valve that allows flow from the pressure reducing valve to the brake pipe and prevents reverse flow. A hydraulic brake device, characterized in that the set pressure of the pressure reducing valve is set to be lower than the pressure discharged from the master cylinder when the brake is activated and higher than the spring force of the return spring of the foil cylinder.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10730285U JPS6217695U (en) | 1985-07-12 | 1985-07-12 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP10730285U JPS6217695U (en) | 1985-07-12 | 1985-07-12 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6217695U true JPS6217695U (en) | 1987-02-02 |
Family
ID=30983459
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP10730285U Pending JPS6217695U (en) | 1985-07-12 | 1985-07-12 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6217695U (en) |
-
1985
- 1985-07-12 JP JP10730285U patent/JPS6217695U/ja active Pending
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