JPH0238994Y2 - - Google Patents

Info

Publication number
JPH0238994Y2
JPH0238994Y2 JP1983204736U JP20473683U JPH0238994Y2 JP H0238994 Y2 JPH0238994 Y2 JP H0238994Y2 JP 1983204736 U JP1983204736 U JP 1983204736U JP 20473683 U JP20473683 U JP 20473683U JP H0238994 Y2 JPH0238994 Y2 JP H0238994Y2
Authority
JP
Japan
Prior art keywords
boom
arm
work
hydraulic
electromagnetic
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
JP1983204736U
Other languages
English (en)
Japanese (ja)
Other versions
JPS60110550U (ja
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 filed Critical
Priority to JP20473683U priority Critical patent/JPS60110550U/ja
Publication of JPS60110550U publication Critical patent/JPS60110550U/ja
Application granted granted Critical
Publication of JPH0238994Y2 publication Critical patent/JPH0238994Y2/ja
Granted legal-status Critical Current

Links

Landscapes

  • Component Parts Of Construction Machinery (AREA)
  • Working Measures On Existing Buildindgs (AREA)
  • Jib Cranes (AREA)
JP20473683U 1983-12-29 1983-12-29 建設機械の安全装置 Granted JPS60110550U (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP20473683U JPS60110550U (ja) 1983-12-29 1983-12-29 建設機械の安全装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP20473683U JPS60110550U (ja) 1983-12-29 1983-12-29 建設機械の安全装置

Publications (2)

Publication Number Publication Date
JPS60110550U JPS60110550U (ja) 1985-07-26
JPH0238994Y2 true JPH0238994Y2 (enEXAMPLES) 1990-10-19

Family

ID=30767127

Family Applications (1)

Application Number Title Priority Date Filing Date
JP20473683U Granted JPS60110550U (ja) 1983-12-29 1983-12-29 建設機械の安全装置

Country Status (1)

Country Link
JP (1) JPS60110550U (enEXAMPLES)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5988858B2 (ja) * 2012-12-18 2016-09-07 日本車輌製造株式会社 杭打機

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5421442U (enEXAMPLES) * 1977-07-14 1979-02-10
JPS5713089A (en) * 1980-06-27 1982-01-23 Shin Meiwa Ind Co Ltd Safety device for service car with boom

Also Published As

Publication number Publication date
JPS60110550U (ja) 1985-07-26

Similar Documents

Publication Publication Date Title
EP3581538B1 (en) Safety device for mobile crane
CN104088830B (zh) 一种起重机的液压系统及其先导式控制阀
JPH047295A (ja) クレーンの旋回制御装置
JPH0238994Y2 (enEXAMPLES)
GB2078197A (en) Load limiting device
JP3287420B2 (ja) 作業深さ制限装置
JPH03208923A (ja) 建設機械の作業高さ制限方法
US5499503A (en) Hydraulic swing circuit
JPH0238995Y2 (enEXAMPLES)
JPS63138026A (ja) 油圧シヨベルの油圧回路
CN210949372U (zh) 混凝土泵料斗搅拌马达的双重实时保护系统
US5575149A (en) Hydraulic swing circuit
JPS5923843Y2 (ja) 圧油回路の油流出防止装置
JPH0720353U (ja) 埋設物破壊防止装置付きパワ−ショベル
JPH08217379A (ja) 作業車両の作業機レバー操作方向検出器の異常検出装置、及びその異常検出方法
CN114687405B (zh) 挖掘机斜坡回转定位控制系统与控制方法
JPH0238993Y2 (enEXAMPLES)
JPS5920442Y2 (ja) 油圧式掘削機の油圧回路
JPH052545Y2 (enEXAMPLES)
JPS5938538Y2 (ja) クレ−ン機能を有するバツクホ−の油圧回路
JPH0720206Y2 (ja) 昇降ラダー付き旋回式作業機
JPS6147799B2 (enEXAMPLES)
JPH078452U (ja) エンジン停止時の作業機操作装置
CN119301328A (zh) 用于具有液压负载的移动式作业机械的阀装置
JPH04203506A (ja) 油圧モータの制御装置