JPS6183696U - - Google Patents
Info
- Publication number
- JPS6183696U JPS6183696U JP16781484U JP16781484U JPS6183696U JP S6183696 U JPS6183696 U JP S6183696U JP 16781484 U JP16781484 U JP 16781484U JP 16781484 U JP16781484 U JP 16781484U JP S6183696 U JPS6183696 U JP S6183696U
- Authority
- JP
- Japan
- Prior art keywords
- control circuit
- circuit
- clutch
- brake
- 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.)
- Pending
Links
- 238000010586 diagram Methods 0.000 description 2
Landscapes
- Jib Cranes (AREA)
- Fluid-Pressure Circuits (AREA)
- Control And Safety Of Cranes (AREA)
Description
第１図は本考案の実施例を示す油圧回路図、第
２図は従来例を示す油圧回路図である。
１…ドラム軸、２…ウインチドラム、３…巻上
クラツチ、４…巻下クラツチ、５…ネガブレーキ
、６…タンク、７…油圧ポンプ、８…圧力制御用
巻上操作弁、９…同巻下操作弁、１０…レバー、
１１…作業選択用電磁切換弁、１２，１３…高圧
選択弁、１５…第１制御回路、１６…第２制御回
路、１８…巻上回路（第３制御回路）、１９…ク
ラツチ回路、２１…ブレーキ回路、２２…低圧選
択弁。
FIG. 1 is a hydraulic circuit diagram showing an embodiment of the present invention, and FIG. 2 is a hydraulic circuit diagram showing a conventional example. 1... Drum shaft, 2... Winch drum, 3... Hoisting clutch, 4... Lowering clutch, 5... Negative brake, 6... Tank, 7... Hydraulic pump, 8... Hoisting operation valve for pressure control, 9... Same volume Lower operation valve, 10...lever,
DESCRIPTION OF SYMBOLS 11... Solenoid switching valve for work selection, 12, 13... High pressure selection valve, 15... First control circuit, 16... Second control circuit, 18... Hoisting circuit (third control circuit), 19... Clutch circuit, 21... Brake circuit, 22...Low pressure selection valve.
Claims (1)
および第２の制御回路と、圧力制御用操作弁を経
て圧油が給排される第３制御回路と、ウインチド
ラムのクラツチに接続されたクラツチ回路と、ウ
インチドラムのネガブレーキに接続されたブレー
キ回路とが具備され、前記第２制御回路と第３制
御回路が低圧選択弁を介してクラツチ回路に接続
されているとともに、第１制御回路とクラツチ回
路が高圧選択弁を介してブレーキ回路に接続され
ていることを特徴とする機械式クレーンのウイン
チ制御回路。 The first part is where pressure oil is supplied and discharged through the work selection switching valve.
and a second control circuit, a third control circuit to which pressure oil is supplied and discharged via a pressure control operation valve, a clutch circuit connected to a clutch of the winch drum, and a brake connected to a negative brake of the winch drum. the second control circuit and the third control circuit are connected to the clutch circuit through a low pressure selection valve, and the first control circuit and the clutch circuit are connected to the brake circuit through a high pressure selection valve. A winch control circuit for a mechanical crane characterized by:
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16781484U JPS6183696U (en) | 1984-11-05 | 1984-11-05 |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP16781484U JPS6183696U (en) | 1984-11-05 | 1984-11-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPS6183696U true JPS6183696U (en) | 1986-06-02 |
Family
ID=30725601
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP16781484U Pending JPS6183696U (en) | 1984-11-05 | 1984-11-05 |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPS6183696U (en) |
-
1984
- 1984-11-05 JP JP16781484U patent/JPS6183696U/ja active Pending
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