JPH0418165B2 - - Google Patents

Info

Publication number
JPH0418165B2
JPH0418165B2 JP60170571A JP17057185A JPH0418165B2 JP H0418165 B2 JPH0418165 B2 JP H0418165B2 JP 60170571 A JP60170571 A JP 60170571A JP 17057185 A JP17057185 A JP 17057185A JP H0418165 B2 JPH0418165 B2 JP H0418165B2
Authority
JP
Japan
Prior art keywords
rotating body
hydraulic motor
pressure
calculating
calculated
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 - Lifetime
Application number
JP60170571A
Other languages
English (en)
Japanese (ja)
Other versions
JPS6231703A (ja
Inventor
Shuichi Ichama
Yukio Aoyanagi
Keiichiro Uno
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 JP60170571A priority Critical patent/JPS6231703A/ja
Publication of JPS6231703A publication Critical patent/JPS6231703A/ja
Publication of JPH0418165B2 publication Critical patent/JPH0418165B2/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
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16H—GEARING
    • F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
    • F16H61/38—Control of exclusively fluid gearing
    • F16H61/40—Control of exclusively fluid gearing hydrostatic
    • F16H61/4061—Control related to directional control valves, e.g. change-over valves, for crossing the feeding conduits

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)
  • Braking Systems And Boosters (AREA)
  • Jib Cranes (AREA)
  • Servomotors (AREA)
JP60170571A 1985-08-03 1985-08-03 旋回体の停止制御装置 Granted JPS6231703A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP60170571A JPS6231703A (ja) 1985-08-03 1985-08-03 旋回体の停止制御装置

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP60170571A JPS6231703A (ja) 1985-08-03 1985-08-03 旋回体の停止制御装置

Publications (2)

Publication Number Publication Date
JPS6231703A JPS6231703A (ja) 1987-02-10
JPH0418165B2 true JPH0418165B2 (enrdf_load_stackoverflow) 1992-03-27

Family

ID=15907302

Family Applications (1)

Application Number Title Priority Date Filing Date
JP60170571A Granted JPS6231703A (ja) 1985-08-03 1985-08-03 旋回体の停止制御装置

Country Status (1)

Country Link
JP (1) JPS6231703A (enrdf_load_stackoverflow)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH01260126A (ja) * 1988-04-12 1989-10-17 Komatsu Ltd 上部旋回体の自動旋回位置決め制御システム
JPH0434127A (ja) * 1990-05-31 1992-02-05 Kubota Corp バックホー
JPH06173299A (ja) * 1992-12-02 1994-06-21 Komatsu Ltd 建設機械の旋回油圧回路
DE102017117505B4 (de) * 2017-08-02 2020-10-22 Manitowoc Crane Group France Sas Kran mit geschlossenem Hydraulikkreislauf
JP7204330B2 (ja) * 2018-02-28 2023-01-16 株式会社小松製作所 積込機械の制御装置および制御方法
JP7287816B2 (ja) * 2019-03-27 2023-06-06 住友重機械工業株式会社 ショベル

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS539673Y2 (enrdf_load_stackoverflow) * 1975-04-16 1978-03-14
JPS59136965U (ja) * 1983-03-04 1984-09-12 ナス・クリエ−ト株式会社 着色ハリス
JPS59182179U (ja) * 1983-05-23 1984-12-05 中村　順一 釣針仕掛セツト台紙

Also Published As

Publication number Publication date
JPS6231703A (ja) 1987-02-10

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Legal Events

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