JPH0438258B2 - - Google Patents

Info

Publication number
JPH0438258B2
JPH0438258B2 JP29875285A JP29875285A JPH0438258B2 JP H0438258 B2 JPH0438258 B2 JP H0438258B2 JP 29875285 A JP29875285 A JP 29875285A JP 29875285 A JP29875285 A JP 29875285A JP H0438258 B2 JPH0438258 B2 JP H0438258B2
Authority
JP
Japan
Prior art keywords
hydraulic
switching valve
oil
hydraulic motor
relay
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
JP29875285A
Other languages
English (en)
Japanese (ja)
Other versions
JPS62156437A (ja
Inventor
Satoshi Myaoka
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 JP29875285A priority Critical patent/JPS62156437A/ja
Publication of JPS62156437A publication Critical patent/JPS62156437A/ja
Publication of JPH0438258B2 publication Critical patent/JPH0438258B2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Operation Control Of Excavators (AREA)
JP29875285A 1985-12-27 1985-12-27 油圧シヨベルのフリ−旋回システム Granted JPS62156437A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP29875285A JPS62156437A (ja) 1985-12-27 1985-12-27 油圧シヨベルのフリ−旋回システム

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP29875285A JPS62156437A (ja) 1985-12-27 1985-12-27 油圧シヨベルのフリ−旋回システム

Publications (2)

Publication Number Publication Date
JPS62156437A JPS62156437A (ja) 1987-07-11
JPH0438258B2 true JPH0438258B2 (enrdf_load_stackoverflow) 1992-06-23

Family

ID=17863775

Family Applications (1)

Application Number Title Priority Date Filing Date
JP29875285A Granted JPS62156437A (ja) 1985-12-27 1985-12-27 油圧シヨベルのフリ−旋回システム

Country Status (1)

Country Link
JP (1) JPS62156437A (enrdf_load_stackoverflow)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH07526Y2 (ja) * 1987-08-05 1995-01-11 住友建機株式会社 コントロ−ルバルブ操作用油圧回路

Also Published As

Publication number Publication date
JPS62156437A (ja) 1987-07-11

Similar Documents

Publication Publication Date Title
JP5304236B2 (ja) 建設機械の旋回ブレーキ装置
EP2706151A1 (en) Rotation-type working machine
JP2784519B2 (ja) 補助継手圧力リリーフ油圧装置
CN109642415B (zh) 工程机械
JP5083202B2 (ja) 建設機械の旋回ブレーキ装置
WO2015056520A1 (ja) ハイブリッド式建設機械
JPS62200004A (ja) 旋回体駆動用油圧モ−タの制御回路
CN101014773B (zh) 作业机械
JPH09317652A (ja) ローダのエンジン/ポンプ制御装置
JPH0438258B2 (enrdf_load_stackoverflow)
JP2978750B2 (ja) 建設機械
JPH0438850B2 (enrdf_load_stackoverflow)
JPH0438255B2 (enrdf_load_stackoverflow)
JPH0549771B2 (enrdf_load_stackoverflow)
JPH0438256B2 (enrdf_load_stackoverflow)
JPH0438257B2 (enrdf_load_stackoverflow)
JP2004036742A (ja) 建設機械のアクチュエータ駆動用油圧パイロット回路
JPH0762361B2 (ja) 油圧ショベルのフリー旋回システム
JP3339821B2 (ja) 作業機械のロック方法およびそのロック装置
JPH111943A (ja) 作業機械の安全装置
JPH0738258U (ja) 建設機械の油圧回路
JPH11336134A (ja) 建設機械の旋回体ブレーキ装置
JPH0415142B2 (enrdf_load_stackoverflow)
JP2002348087A (ja) 作業機械
JPH05125746A (ja) 作業機の油圧パイロツト回路