JPS56150237A - Control of speed of front member of hydraulic shovel - Google Patents

Control of speed of front member of hydraulic shovel

Info

Publication number
JPS56150237A
JPS56150237A JP5361180A JP5361180A JPS56150237A JP S56150237 A JPS56150237 A JP S56150237A JP 5361180 A JP5361180 A JP 5361180A JP 5361180 A JP5361180 A JP 5361180A JP S56150237 A JPS56150237 A JP S56150237A
Authority
JP
Japan
Prior art keywords
signal
control
hydraulic cylinder
angle
front member
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
JP5361180A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6252096B2 (enrdf_load_stackoverflow
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 true JPS56150237A (en) 1981-11-20
JPS6252096B2 JPS6252096B2 (enrdf_load_stackoverflow) 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 (enrdf_load_stackoverflow)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61261530A (ja) * 1985-05-13 1986-11-19 Komatsu Ltd 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

Citations (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

Patent Citations (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

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS61261530A (ja) * 1985-05-13 1986-11-19 Komatsu Ltd 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

Also Published As

Publication number Publication date
JPS6252096B2 (enrdf_load_stackoverflow) 1987-11-04

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