JPS62160323A - 油圧ショベルのフリー旋回油圧回路 - Google Patents

油圧ショベルのフリー旋回油圧回路

Info

Publication number
JPS62160323A
JPS62160323A JP321286A JP321286A JPS62160323A JP S62160323 A JPS62160323 A JP S62160323A JP 321286 A JP321286 A JP 321286A JP 321286 A JP321286 A JP 321286A JP S62160323 A JPS62160323 A JP S62160323A
Authority
JP
Japan
Prior art keywords
oil
hydraulic
switching valve
valve
oil passage
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
JP321286A
Other languages
English (en)
Japanese (ja)
Other versions
JPH0549771B2 (enrdf_load_stackoverflow
Inventor
Satoshi Miyaoka
諭 宮岡
Wataru Kubomoto
亘 久保本
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.)
Kobelco Construction Machinery Co Ltd
Original Assignee
Yutani Heavy Industries 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 Yutani Heavy Industries Ltd filed Critical Yutani Heavy Industries Ltd
Priority to JP321286A priority Critical patent/JPS62160323A/ja
Publication of JPS62160323A publication Critical patent/JPS62160323A/ja
Publication of JPH0549771B2 publication Critical patent/JPH0549771B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Jib Cranes (AREA)
  • Operation Control Of Excavators (AREA)
JP321286A 1986-01-09 1986-01-09 油圧ショベルのフリー旋回油圧回路 Granted JPS62160323A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP321286A JPS62160323A (ja) 1986-01-09 1986-01-09 油圧ショベルのフリー旋回油圧回路

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP321286A JPS62160323A (ja) 1986-01-09 1986-01-09 油圧ショベルのフリー旋回油圧回路

Publications (2)

Publication Number Publication Date
JPS62160323A true JPS62160323A (ja) 1987-07-16
JPH0549771B2 JPH0549771B2 (enrdf_load_stackoverflow) 1993-07-27

Family

ID=11551137

Family Applications (1)

Application Number Title Priority Date Filing Date
JP321286A Granted JPS62160323A (ja) 1986-01-09 1986-01-09 油圧ショベルのフリー旋回油圧回路

Country Status (1)

Country Link
JP (1) JPS62160323A (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108757613A (zh) * 2018-06-20 2018-11-06 徐州重型机械有限公司 回转控制阀组、回转控制系统和起重机

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108757613A (zh) * 2018-06-20 2018-11-06 徐州重型机械有限公司 回转控制阀组、回转控制系统和起重机

Also Published As

Publication number Publication date
JPH0549771B2 (enrdf_load_stackoverflow) 1993-07-27

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