FR2562964B1 - HYDRAULIC CONTROL DEVICE FOR A VEHICLE WITH A PIVOTING SUPERSTRUCTURE - Google Patents

HYDRAULIC CONTROL DEVICE FOR A VEHICLE WITH A PIVOTING SUPERSTRUCTURE

Info

Publication number
FR2562964B1
FR2562964B1 FR8320751A FR8320751A FR2562964B1 FR 2562964 B1 FR2562964 B1 FR 2562964B1 FR 8320751 A FR8320751 A FR 8320751A FR 8320751 A FR8320751 A FR 8320751A FR 2562964 B1 FR2562964 B1 FR 2562964B1
Authority
FR
France
Prior art keywords
vehicle
control device
hydraulic control
superstructure
pivoting
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
FR8320751A
Other languages
French (fr)
Other versions
FR2562964A1 (en
Inventor
Mitsunori Matsuda
Kazuhiro Yoshida
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.)
Komatsu Ltd
Original Assignee
Komatsu 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 Komatsu Ltd filed Critical Komatsu Ltd
Priority to FR8320751A priority Critical patent/FR2562964B1/en
Publication of FR2562964A1 publication Critical patent/FR2562964A1/en
Application granted granted Critical
Publication of FR2562964B1 publication Critical patent/FR2562964B1/en
Expired 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
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D11/00—Steering non-deflectable wheels; Steering endless tracks or the like
    • B62D11/02—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides
    • B62D11/06—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides by means of a single main power source
    • B62D11/10—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides by means of a single main power source using gearings with differential power outputs on opposite sides, e.g. twin-differential or epicyclic gears
    • B62D11/14—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides by means of a single main power source using gearings with differential power outputs on opposite sides, e.g. twin-differential or epicyclic gears differential power outputs being effected by additional power supply to one side, e.g. power originating from secondary power source
    • B62D11/18—Steering non-deflectable wheels; Steering endless tracks or the like by differentially driving ground-engaging elements on opposite vehicle sides by means of a single main power source using gearings with differential power outputs on opposite sides, e.g. twin-differential or epicyclic gears differential power outputs being effected by additional power supply to one side, e.g. power originating from secondary power source the additional power supply being supplied hydraulically
    • B62D11/183—Control systems therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Automation & Control Theory (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Mechanical Engineering (AREA)
  • Operation Control Of Excavators (AREA)
FR8320751A 1983-12-22 1983-12-22 HYDRAULIC CONTROL DEVICE FOR A VEHICLE WITH A PIVOTING SUPERSTRUCTURE Expired FR2562964B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR8320751A FR2562964B1 (en) 1983-12-22 1983-12-22 HYDRAULIC CONTROL DEVICE FOR A VEHICLE WITH A PIVOTING SUPERSTRUCTURE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8320751A FR2562964B1 (en) 1983-12-22 1983-12-22 HYDRAULIC CONTROL DEVICE FOR A VEHICLE WITH A PIVOTING SUPERSTRUCTURE

Publications (2)

Publication Number Publication Date
FR2562964A1 FR2562964A1 (en) 1985-10-18
FR2562964B1 true FR2562964B1 (en) 1988-04-08

Family

ID=9295549

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8320751A Expired FR2562964B1 (en) 1983-12-22 1983-12-22 HYDRAULIC CONTROL DEVICE FOR A VEHICLE WITH A PIVOTING SUPERSTRUCTURE

Country Status (1)

Country Link
FR (1) FR2562964B1 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4030623A (en) * 1971-12-13 1977-06-21 Caterpillar Tractor Co. Hydraulic circuitry for an excavator
DE2400719A1 (en) * 1974-01-08 1975-07-17 Koehring Gmbh Hydraulic dredger or crane turning control - has hydraulic motor brake actuation combined with hydraulic pump control
WO1981001311A1 (en) * 1979-11-01 1981-05-14 Caterpillar Tractor Co Fluid motor control system providing speed change by combination of displacement and flow control
EP0056865B1 (en) * 1980-12-27 1985-07-31 Hitachi Construction Machinery Co., Ltd. Hydraulic power system

Also Published As

Publication number Publication date
FR2562964A1 (en) 1985-10-18

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Legal Events

Date Code Title Description
ST Notification of lapse