JPS60188541A - 掘削機の油圧回路 - Google Patents

掘削機の油圧回路

Info

Publication number
JPS60188541A
JPS60188541A JP4277184A JP4277184A JPS60188541A JP S60188541 A JPS60188541 A JP S60188541A JP 4277184 A JP4277184 A JP 4277184A JP 4277184 A JP4277184 A JP 4277184A JP S60188541 A JPS60188541 A JP S60188541A
Authority
JP
Japan
Prior art keywords
hydraulic
oil
swivel
vehicle body
motor
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
JP4277184A
Other languages
English (en)
Japanese (ja)
Other versions
JPH042739B2 (enrdf_load_stackoverflow
Inventor
Mitsuhiro Kishi
光宏 岸
Yokichi Nagasawa
長澤　要吉
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.)
Hikoma Seisakusho Co Ltd
Original Assignee
Hikoma Seisakusho 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 Hikoma Seisakusho Co Ltd filed Critical Hikoma Seisakusho Co Ltd
Priority to JP4277184A priority Critical patent/JPS60188541A/ja
Priority to EP85301506A priority patent/EP0156546B1/en
Priority to DE8585301506T priority patent/DE3565295D1/de
Publication of JPS60188541A publication Critical patent/JPS60188541A/ja
Priority to US07/622,391 priority patent/US5135348A/en
Publication of JPH042739B2 publication Critical patent/JPH042739B2/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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
    • F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
    • F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
    • F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
    • F15B11/22—Synchronisation of the movement of two or more servomotors

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • Structural Engineering (AREA)
  • Operation Control Of Excavators (AREA)
JP4277184A 1984-03-06 1984-03-06 掘削機の油圧回路 Granted JPS60188541A (ja)

Priority Applications (4)

Application Number Priority Date Filing Date Title
JP4277184A JPS60188541A (ja) 1984-03-06 1984-03-06 掘削機の油圧回路
EP85301506A EP0156546B1 (en) 1984-03-06 1985-03-05 Earth-working machine
DE8585301506T DE3565295D1 (en) 1984-03-06 1985-03-05 Earth-working machine
US07/622,391 US5135348A (en) 1984-03-06 1990-11-29 Earth-working machine

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP4277184A JPS60188541A (ja) 1984-03-06 1984-03-06 掘削機の油圧回路

Publications (2)

Publication Number Publication Date
JPS60188541A true JPS60188541A (ja) 1985-09-26
JPH042739B2 JPH042739B2 (enrdf_load_stackoverflow) 1992-01-20

Family

ID=12645233

Family Applications (1)

Application Number Title Priority Date Filing Date
JP4277184A Granted JPS60188541A (ja) 1984-03-06 1984-03-06 掘削機の油圧回路

Country Status (1)

Country Link
JP (1) JPS60188541A (enrdf_load_stackoverflow)

Also Published As

Publication number Publication date
JPH042739B2 (enrdf_load_stackoverflow) 1992-01-20

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