JPH0437890B2 - - Google Patents

Info

Publication number
JPH0437890B2
JPH0437890B2 JP2822085A JP2822085A JPH0437890B2 JP H0437890 B2 JPH0437890 B2 JP H0437890B2 JP 2822085 A JP2822085 A JP 2822085A JP 2822085 A JP2822085 A JP 2822085A JP H0437890 B2 JPH0437890 B2 JP H0437890B2
Authority
JP
Japan
Prior art keywords
inclination angle
rotating body
swinging
switching valve
electromagnetic switching
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
JP2822085A
Other languages
English (en)
Japanese (ja)
Other versions
JPS61191729A (ja
Inventor
Hiroaki Moryasu
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 JP2822085A priority Critical patent/JPS61191729A/ja
Publication of JPS61191729A publication Critical patent/JPS61191729A/ja
Publication of JPH0437890B2 publication Critical patent/JPH0437890B2/ja
Granted legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02F—DREDGING; SOIL-SHIFTING
    • E02F9/00—Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/08—Superstructures; Supports for superstructures
    • E02F9/10—Supports for movable superstructures mounted on travelling or walking gears or on other superstructures
    • E02F9/12—Slewing or traversing gears
    • E02F9/121—Turntables, i.e. structure rotatable about 360°
    • E02F9/123—Drives or control devices specially adapted therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Operation Control Of Excavators (AREA)
  • Servomotors (AREA)
JP2822085A 1985-02-18 1985-02-18 ロ−リングシヨベルの揺動制御装置 Granted JPS61191729A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP2822085A JPS61191729A (ja) 1985-02-18 1985-02-18 ロ−リングシヨベルの揺動制御装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP2822085A JPS61191729A (ja) 1985-02-18 1985-02-18 ロ−リングシヨベルの揺動制御装置

Publications (2)

Publication Number Publication Date
JPS61191729A JPS61191729A (ja) 1986-08-26
JPH0437890B2 true JPH0437890B2 (enrdf_load_stackoverflow) 1992-06-22

Family

ID=12242536

Family Applications (1)

Application Number Title Priority Date Filing Date
JP2822085A Granted JPS61191729A (ja) 1985-02-18 1985-02-18 ロ−リングシヨベルの揺動制御装置

Country Status (1)

Country Link
JP (1) JPS61191729A (enrdf_load_stackoverflow)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO1995015420A1 (fr) * 1993-11-30 1995-06-08 Komatsu Ltd. Dispositif de commande d'excavation lineaire pour pelle hydraulique
KR100945189B1 (ko) * 2007-10-02 2010-03-03 볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비 중장비의 하부프레임에 대한 자동 레벨링 제어시스템과 그제어방법
GB201401236D0 (en) * 2014-01-24 2014-03-12 Ihc Engineering Business Ltd Trenching apparatus

Also Published As

Publication number Publication date
JPS61191729A (ja) 1986-08-26

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Legal Events

Date Code Title Description
LAPS Cancellation because of no payment of annual fees