JPS6354111B2 - - Google Patents

Info

Publication number
JPS6354111B2
JPS6354111B2 JP12577483A JP12577483A JPS6354111B2 JP S6354111 B2 JPS6354111 B2 JP S6354111B2 JP 12577483 A JP12577483 A JP 12577483A JP 12577483 A JP12577483 A JP 12577483A JP S6354111 B2 JPS6354111 B2 JP S6354111B2
Authority
JP
Japan
Prior art keywords
piston
switching valve
liquid chamber
small diameter
chamber
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.)
Expired
Application number
JP12577483A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6019894A (ja
Inventor
Akinori Oota
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.)
Furukawa Kogyo Co Ltd
Original Assignee
Furukawa Kogyo 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 Furukawa Kogyo Co Ltd filed Critical Furukawa Kogyo Co Ltd
Priority to JP12577483A priority Critical patent/JPS6019894A/ja
Publication of JPS6019894A publication Critical patent/JPS6019894A/ja
Publication of JPS6354111B2 publication Critical patent/JPS6354111B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Drilling And Exploitation, And Mining Machines And Methods (AREA)
  • Earth Drilling (AREA)
JP12577483A 1983-07-11 1983-07-11 液圧式さく岩機の打撃機構 Granted JPS6019894A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12577483A JPS6019894A (ja) 1983-07-11 1983-07-11 液圧式さく岩機の打撃機構

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12577483A JPS6019894A (ja) 1983-07-11 1983-07-11 液圧式さく岩機の打撃機構

Publications (2)

Publication Number Publication Date
JPS6019894A JPS6019894A (ja) 1985-02-01
JPS6354111B2 true JPS6354111B2 (enrdf_load_stackoverflow) 1988-10-26

Family

ID=14918499

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12577483A Granted JPS6019894A (ja) 1983-07-11 1983-07-11 液圧式さく岩機の打撃機構

Country Status (1)

Country Link
JP (1) JPS6019894A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPS6019894A (ja) 1985-02-01

Similar Documents

Publication Publication Date Title
JP3292972B2 (ja) 打撃工具
US3524385A (en) Control means for fluid-powered devices
JP2749848B2 (ja) ラム式穿孔装置
US5199504A (en) High efficiency pneumatic impacting mechanism with a plunger valve
US4150603A (en) Fluid operable hammer
JPS6354111B2 (enrdf_load_stackoverflow)
CN106120925A (zh) 一种套阀式液压破碎锤
JP3672978B2 (ja) 液圧式打撃機構
JPS6026933Y2 (ja) 油圧打撃工具の切換弁作動装置
JP2005507789A (ja) ２個の交互打撃ピストン用制御弁を有する打撃装置
JP2000326261A (ja) 液圧式打撃装置
JPS6019196Y2 (ja) 油圧打撃工具における打撃ピストンの往復切換装置
JPS6362354B2 (enrdf_load_stackoverflow)
JPH0224623Y2 (enrdf_load_stackoverflow)
JPH0536631Y2 (enrdf_load_stackoverflow)
JPS6015833Y2 (ja) 油圧打撃工具における打撃ピストンの往復切換装置
JP2511459B2 (ja) ガス式油圧打撃工具
KR101626519B1 (ko) 유압 브레이커
JPH04300172A (ja) 液圧式打撃機構
JPH06313391A (ja) 油圧ダウンザホールドリルの打撃機構
JPS6119394B2 (enrdf_load_stackoverflow)
JPS6119392B2 (enrdf_load_stackoverflow)
JPH0540951Y2 (enrdf_load_stackoverflow)
JPS6161947B2 (enrdf_load_stackoverflow)
JPS63180482A (ja) 液圧式打撃装置の空打切換機構