JPH0549771B2 - - Google Patents

Info

Publication number
JPH0549771B2
JPH0549771B2 JP321286A JP321286A JPH0549771B2 JP H0549771 B2 JPH0549771 B2 JP H0549771B2 JP 321286 A JP321286 A JP 321286A JP 321286 A JP321286 A JP 321286A JP H0549771 B2 JPH0549771 B2 JP H0549771B2
Authority
JP
Japan
Prior art keywords
hydraulic
oil
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.)
Expired - Lifetime
Application number
JP321286A
Other languages
English (en)
Japanese (ja)
Other versions
JPS62160323A (ja
Inventor
Satoshi Myaoka
Wataru Kubomoto
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

  • Operation Control Of Excavators (AREA)
  • Jib Cranes (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 JPS62160323A (ja) 1987-07-16
JPH0549771B2 true 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)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108757613B (zh) * 2018-06-20 2019-12-20 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
JPS62160323A (ja) 1987-07-16

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