JPH0415854B2 - - Google Patents

Info

Publication number
JPH0415854B2
JPH0415854B2 JP8500284A JP8500284A JPH0415854B2 JP H0415854 B2 JPH0415854 B2 JP H0415854B2 JP 8500284 A JP8500284 A JP 8500284A JP 8500284 A JP8500284 A JP 8500284A JP H0415854 B2 JPH0415854 B2 JP H0415854B2
Authority
JP
Japan
Prior art keywords
hydraulic
operating
operating linkage
linkage
control device
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
JP8500284A
Other languages
English (en)
Japanese (ja)
Other versions
JPS60230437A (ja
Inventor
Hideo Wada
Hiroya Ooga
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.)
Caterpillar Mitsubishi Ltd
Original Assignee
Caterpillar Mitsubishi 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 Caterpillar Mitsubishi Ltd filed Critical Caterpillar Mitsubishi Ltd
Priority to JP8500284A priority Critical patent/JPS60230437A/ja
Publication of JPS60230437A publication Critical patent/JPS60230437A/ja
Publication of JPH0415854B2 publication Critical patent/JPH0415854B2/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
    • E02F3/76—Graders, bulldozers, or the like with scraper plates or ploughshare-like elements; Levelling scarifying devices
    • E02F3/80—Component parts
    • E02F3/84—Drives or control devices therefor, e.g. hydraulic drive systems
    • E02F3/844—Drives or control devices therefor, e.g. hydraulic drive systems for positioning the blade, e.g. hydraulically
    • E02F3/847—Drives or control devices therefor, e.g. hydraulic drive systems for positioning the blade, e.g. hydraulically using electromagnetic, optical or acoustic beams to determine the blade position, e.g. laser beams

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Acoustics & Sound (AREA)
  • Electromagnetism (AREA)
  • Optics & Photonics (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Operation Control Of Excavators (AREA)
JP8500284A 1984-04-26 1984-04-26 操作リンケ−ジの油圧制御装置 Granted JPS60230437A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP8500284A JPS60230437A (ja) 1984-04-26 1984-04-26 操作リンケ−ジの油圧制御装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP8500284A JPS60230437A (ja) 1984-04-26 1984-04-26 操作リンケ−ジの油圧制御装置

Publications (2)

Publication Number Publication Date
JPS60230437A JPS60230437A (ja) 1985-11-15
JPH0415854B2 true JPH0415854B2 (enrdf_load_stackoverflow) 1992-03-19

Family

ID=13846469

Family Applications (1)

Application Number Title Priority Date Filing Date
JP8500284A Granted JPS60230437A (ja) 1984-04-26 1984-04-26 操作リンケ−ジの油圧制御装置

Country Status (1)

Country Link
JP (1) JPS60230437A (enrdf_load_stackoverflow)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2619140A1 (fr) * 1987-08-03 1989-02-10 Formation Travaux Publics Cent Dispositif de guidage automatique d'engins de terrassement par laser tournant
JP4090119B2 (ja) * 1998-06-17 2008-05-28 株式会社トプコン 回転レーザ装置

Also Published As

Publication number Publication date
JPS60230437A (ja) 1985-11-15

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