JPH0477650U - - Google Patents
Info
- Publication number
- JPH0477650U JPH0477650U JP11773190U JP11773190U JPH0477650U JP H0477650 U JPH0477650 U JP H0477650U JP 11773190 U JP11773190 U JP 11773190U JP 11773190 U JP11773190 U JP 11773190U JP H0477650 U JPH0477650 U JP H0477650U
- Authority
- JP
- Japan
- Prior art keywords
- valve
- parking
- parking brake
- control valve
- brake
- 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
- 238000010276 construction Methods 0.000 claims 1
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Braking Systems And Boosters (AREA)
Description
第１図は本考案に係る旋回体パーキング用ブレ
ーキ装置の油圧回路図。第２図は同じく公知油圧
回路図。第３図は駐車ブレーキにおけるブレーキ
トルクとブレーキ解除圧力の関係を示すグラフ。
図において；１……油圧ポンプ、２……旋回用
コントロールバルブ、３……旋回モータ、４……
駐車ブレーキ、５……リモコンバルブ、６……シ
ヤツトル弁、７……プレツシヤスイツチ、８……
コントローラ、９……電磁弁、１０……補助油圧
源、１１……シヤツトル弁、１２……減圧弁。
FIG. 1 is a hydraulic circuit diagram of a brake device for parking a rotating body according to the present invention. FIG. 2 is also a publicly known hydraulic circuit diagram. FIG. 3 is a graph showing the relationship between brake torque and brake release pressure in the parking brake. In the figure: 1...hydraulic pump, 2...swivel control valve, 3...swivel motor, 4...
Parking brake, 5... Remote control valve, 6... Shuttle valve, 7... Pressure switch, 8...
Controller, 9... Solenoid valve, 10... Auxiliary hydraulic pressure source, 11... Shuttle valve, 12... Pressure reducing valve.
Claims (1)
ルバルブが切換り、旋回モータが作動する時解除
される様に構成された駐車ブレーキにおいて、補
助油圧源から駐車ブレーキ解除用電磁弁と減圧弁
とを並列に接続し、シヤツトル弁を介し駐車ブレ
ーキに接続したことを特徴とする上部旋回式建設
機械の旋回体パーキング用ブレーキ装置の油圧回
路。 In a parking brake configured to be released when a remote control valve is operated to switch a swing control valve and operate a swing motor, a solenoid valve for parking brake release and a pressure reducing valve are connected in parallel from an auxiliary hydraulic power source. A hydraulic circuit for a brake device for parking a revolving body of an upper swing type construction machine, characterized in that the brake device is connected to a parking brake via a shuttle valve.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11773190U JPH0477650U (en) | 1990-11-13 | 1990-11-13 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP11773190U JPH0477650U (en) | 1990-11-13 | 1990-11-13 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH0477650U true JPH0477650U (en) | 1992-07-07 |
Family
ID=31865638
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP11773190U Pending JPH0477650U (en) | 1990-11-13 | 1990-11-13 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0477650U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006193905A (en) * | 2005-01-11 | 2006-07-27 | Shin Caterpillar Mitsubishi Ltd | Parking brake controller of working machine |
-
1990
- 1990-11-13 JP JP11773190U patent/JPH0477650U/ja active Pending
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006193905A (en) * | 2005-01-11 | 2006-07-27 | Shin Caterpillar Mitsubishi Ltd | Parking brake controller of working machine |