JPS6154096U - - Google Patents
Info
- Publication number
- JPS6154096U JPS6154096U JP13848984U JP13848984U JPS6154096U JP S6154096 U JPS6154096 U JP S6154096U JP 13848984 U JP13848984 U JP 13848984U JP 13848984 U JP13848984 U JP 13848984U JP S6154096 U JPS6154096 U JP S6154096U
- Authority
- JP
- Japan
- Prior art keywords
- switching valve
- actuator
- sensor
- hydraulic
- hydraulic circuit
- 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
- Drilling And Exploitation, And Mining Machines And Methods (AREA)
- Control Of Vehicle Engines Or Engines For Specific Uses (AREA)
- Fluid-Pressure Circuits (AREA)
Description
第1図は本考案に係る油圧回路の一実施例を示
す回路図、第2図は同回路に使用される電気回路
図を示す。
1……エンジン、2a,2b,2c……ポンプ
、5……切換弁、6……圧力スイツチ、7……モ
ータ、8……パイルアツプバルブ、9……引きシ
リンダー、10……ピストンロツド、13……圧
力スイツチ、16……圧力スイツチ、17……切
換弁、19……切換弁、321……流量スイツチ
、22……タンク。
FIG. 1 is a circuit diagram showing an embodiment of a hydraulic circuit according to the present invention, and FIG. 2 is an electric circuit diagram used in the circuit. DESCRIPTION OF SYMBOLS 1...Engine, 2a, 2b, 2c...Pump, 5...Switching valve, 6...Pressure switch, 7...Motor, 8...Pile-up valve, 9...Pulling cylinder, 10...Piston rod, 13 ...Pressure switch, 16...Pressure switch, 17...Switching valve, 19...Switching valve, 321...Flow rate switch, 22...Tank.
Claims (1)
ポンプを有し、該ポンプの吐出管路に流量制御弁
及び油圧アクチユエータを設けたクローラドリル
の油圧回路において、油圧アクチユエータに送油
されないときこれを圧力乃至流量で検知するセン
サーと、該センサーによつて制御される切換弁と
、該切換弁によつて圧油が切換供給され、エンジ
ンの回転数を制御するガバナーレバーを作動する
アクチユエータを設けた油圧回路。 In the hydraulic circuit of a crawler drill, which has one or several pumps rotationally driven by an engine, and a flow control valve and a hydraulic actuator are installed in the discharge pipe of the pump, this is used when oil is not being sent to the hydraulic actuator. A sensor that detects pressure or flow rate, a switching valve controlled by the sensor, and an actuator to which pressurized oil is selectively supplied by the switching valve and actuates a governor lever that controls the engine speed. Hydraulic circuit.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13848984U JPS6154096U (en) | 1984-09-11 | 1984-09-11 |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP13848984U JPS6154096U (en) | 1984-09-11 | 1984-09-11 |
Publications (1)
Publication Number | Publication Date |
---|---|
JPS6154096U true JPS6154096U (en) | 1986-04-11 |
Family
ID=30696881
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP13848984U Pending JPS6154096U (en) | 1984-09-11 | 1984-09-11 |
Country Status (1)
Country | Link |
---|---|
JP (1) | JPS6154096U (en) |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57100292A (en) * | 1980-12-11 | 1982-06-22 | Furukawa Kogyo Kk | Control apparatus of rotary drilling machine |
-
1984
- 1984-09-11 JP JP13848984U patent/JPS6154096U/ja active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS57100292A (en) * | 1980-12-11 | 1982-06-22 | Furukawa Kogyo Kk | Control apparatus of rotary drilling machine |
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