JPS6252096B2 - - Google Patents

Info

Publication number
JPS6252096B2
JPS6252096B2 JP55053611A JP5361180A JPS6252096B2 JP S6252096 B2 JPS6252096 B2 JP S6252096B2 JP 55053611 A JP55053611 A JP 55053611A JP 5361180 A JP5361180 A JP 5361180A JP S6252096 B2 JPS6252096 B2 JP S6252096B2
Authority
JP
Japan
Prior art keywords
arm
front member
signal
angle
hydraulic cylinder
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
JP55053611A
Other languages
English (en)
Japanese (ja)
Other versions
JPS56150237A (en
Inventor
Eiki Izumi
Katsuro Abe
Hiroshi Watanabe
Yukio Aoyanagi
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.)
Hitachi Construction Machinery Co Ltd
Original Assignee
Hitachi Construction Machinery 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 Hitachi Construction Machinery Co Ltd filed Critical Hitachi Construction Machinery Co Ltd
Priority to JP5361180A priority Critical patent/JPS56150237A/ja
Publication of JPS56150237A publication Critical patent/JPS56150237A/ja
Publication of JPS6252096B2 publication Critical patent/JPS6252096B2/ja
Granted legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F3/00—Dredgers; Soil-shifting machines
    • E02F3/04—Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E02F3/36—Component parts
    • E02F3/42—Drives for dippers, buckets, dipper-arms or bucket-arms
    • E02F3/43—Control of dipper or bucket position; Control of sequence of drive operations
    • E02F3/435—Control of dipper or bucket position; Control of sequence of drive operations for dipper-arms, backhoes or the like

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Operation Control Of Excavators (AREA)
  • Fluid-Pressure Circuits (AREA)
JP5361180A 1980-04-24 1980-04-24 Control of speed of front member of hydraulic shovel Granted JPS56150237A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP5361180A JPS56150237A (en) 1980-04-24 1980-04-24 Control of speed of front member of hydraulic shovel

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP5361180A JPS56150237A (en) 1980-04-24 1980-04-24 Control of speed of front member of hydraulic shovel

Publications (2)

Publication Number Publication Date
JPS56150237A JPS56150237A (en) 1981-11-20
JPS6252096B2 true JPS6252096B2 (en, 2012) 1987-11-04

Family

ID=12947688

Family Applications (1)

Application Number Title Priority Date Filing Date
JP5361180A Granted JPS56150237A (en) 1980-04-24 1980-04-24 Control of speed of front member of hydraulic shovel

Country Status (1)

Country Link
JP (1) JPS56150237A (en, 2012)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH0651980B2 (ja) * 1985-05-13 1994-07-06 株式会社小松製作所 パワ−シヨベルの作業機速度補償装置
JPS62184206A (ja) * 1986-02-07 1987-08-12 Hitachi Seiko Ltd 電気−油圧変換式駆動装置

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5491687A (en) * 1977-12-28 1979-07-20 Hitachi Constr Mach Co Ltd Hydraulic driving system

Also Published As

Publication number Publication date
JPS56150237A (en) 1981-11-20

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