JPS52150303A - Changeeover spool valve for reciprocating piston of hydraulic impact machine - Google Patents

Changeeover spool valve for reciprocating piston of hydraulic impact machine

Info

Publication number
JPS52150303A
JPS52150303A JP6795976A JP6795976A JPS52150303A JP S52150303 A JPS52150303 A JP S52150303A JP 6795976 A JP6795976 A JP 6795976A JP 6795976 A JP6795976 A JP 6795976A JP S52150303 A JPS52150303 A JP S52150303A
Authority
JP
Japan
Prior art keywords
changeeover
spool valve
reciprocating piston
hydraulic impact
impact machine
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
Application number
JP6795976A
Other languages
Japanese (ja)
Other versions
JPS5816991B2 (en
Inventor
Takeo Watanabe
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Mitsui Engineering and Shipbuilding Co Ltd
Original Assignee
Mitsui Engineering and Shipbuilding Co Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Mitsui Engineering and Shipbuilding Co Ltd filed Critical Mitsui Engineering and Shipbuilding Co Ltd
Priority to JP6795976A priority Critical patent/JPS5816991B2/en
Publication of JPS52150303A publication Critical patent/JPS52150303A/en
Publication of JPS5816991B2 publication Critical patent/JPS5816991B2/en
Expired legal-status Critical Current

Links

JP6795976A 1976-06-09 1976-06-09 Switching spool valve for reciprocating piston of hydraulic impact machine Expired JPS5816991B2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP6795976A JPS5816991B2 (en) 1976-06-09 1976-06-09 Switching spool valve for reciprocating piston of hydraulic impact machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP6795976A JPS5816991B2 (en) 1976-06-09 1976-06-09 Switching spool valve for reciprocating piston of hydraulic impact machine

Publications (2)

Publication Number Publication Date
JPS52150303A true JPS52150303A (en) 1977-12-14
JPS5816991B2 JPS5816991B2 (en) 1983-04-04

Family

ID=13360000

Family Applications (1)

Application Number Title Priority Date Filing Date
JP6795976A Expired JPS5816991B2 (en) 1976-06-09 1976-06-09 Switching spool valve for reciprocating piston of hydraulic impact machine

Country Status (1)

Country Link
JP (1) JPS5816991B2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5615985A (en) * 1979-06-29 1981-02-16 Kone Oy Hydraulic pressure impact machine
WO2023273225A1 (en) * 2021-06-29 2023-01-05 山河智能装备股份有限公司 Signal oil output structure of impact cylinder of hydraulic rock drill

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5615985A (en) * 1979-06-29 1981-02-16 Kone Oy Hydraulic pressure impact machine
JPH0225755B2 (en) * 1979-06-29 1990-06-05 Rameeru Oy
WO2023273225A1 (en) * 2021-06-29 2023-01-05 山河智能装备股份有限公司 Signal oil output structure of impact cylinder of hydraulic rock drill

Also Published As

Publication number Publication date
JPS5816991B2 (en) 1983-04-04

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