JPH0257168B2 - - Google Patents

Info

Publication number
JPH0257168B2
JPH0257168B2 JP12579881A JP12579881A JPH0257168B2 JP H0257168 B2 JPH0257168 B2 JP H0257168B2 JP 12579881 A JP12579881 A JP 12579881A JP 12579881 A JP12579881 A JP 12579881A JP H0257168 B2 JPH0257168 B2 JP H0257168B2
Authority
JP
Japan
Prior art keywords
bucket
signal
angle
arm
belt
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
JP12579881A
Other languages
English (en)
Japanese (ja)
Other versions
JPS5826128A (ja
Inventor
Kunio Kashiwagi
Sachihiro Suzuki
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 JP12579881A priority Critical patent/JPS5826128A/ja
Publication of JPS5826128A publication Critical patent/JPS5826128A/ja
Publication of JPH0257168B2 publication Critical patent/JPH0257168B2/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
    • E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E02F3/36—Component parts
    • E02F3/42—Drives for dippers, buckets, dipper-arms or bucket-arms
    • E02F3/43—Control of dipper or bucket position; Control of sequence of drive operations
    • E02F3/431—Control of dipper or bucket position; Control of sequence of drive operations for bucket-arms, front-end loaders, dumpers or the like
    • E02F3/432—Control of dipper or bucket position; Control of sequence of drive operations for bucket-arms, front-end loaders, dumpers or the like for keeping the bucket in a predetermined position or attitude
    • 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
    • E02F3/28—Dredgers; Soil-shifting machines mechanically-driven with digging tools mounted on a dipper- or bucket-arm, i.e. there is either one arm or a pair of arms, e.g. dippers, buckets
    • E02F3/36—Component parts
    • E02F3/42—Drives for dippers, buckets, dipper-arms or bucket-arms
    • E02F3/43—Control of dipper or bucket position; Control of sequence of drive operations
    • E02F3/431—Control of dipper or bucket position; Control of sequence of drive operations for bucket-arms, front-end loaders, dumpers or the like
    • E02F3/432—Control of dipper or bucket position; Control of sequence of drive operations for bucket-arms, front-end loaders, dumpers or the like for keeping the bucket in a predetermined position or attitude
    • E02F3/433—Control of dipper or bucket position; Control of sequence of drive operations for bucket-arms, front-end loaders, dumpers or the like for keeping the bucket in a predetermined position or attitude horizontal, e.g. self-levelling
    • 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
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2278—Hydraulic circuits
    • E02F9/2285—Pilot-operated systems
    • 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
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2278—Hydraulic circuits
    • E02F9/2292—Systems with two or more pumps

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Operation Control Of Excavators (AREA)
JP12579881A 1981-08-11 1981-08-11 腕式作業機のバケツト角制御方法 Granted JPS5826128A (ja)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP12579881A JPS5826128A (ja) 1981-08-11 1981-08-11 腕式作業機のバケツト角制御方法

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP12579881A JPS5826128A (ja) 1981-08-11 1981-08-11 腕式作業機のバケツト角制御方法

Publications (2)

Publication Number Publication Date
JPS5826128A JPS5826128A (ja) 1983-02-16
JPH0257168B2 true JPH0257168B2 (en]) 1990-12-04

Family

ID=14919149

Family Applications (1)

Application Number Title Priority Date Filing Date
JP12579881A Granted JPS5826128A (ja) 1981-08-11 1981-08-11 腕式作業機のバケツト角制御方法

Country Status (1)

Country Link
JP (1) JPS5826128A (en])

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS59195939A (ja) * 1983-04-20 1984-11-07 Hitachi Constr Mach Co Ltd 油圧シヨベルの直線掘削制御装置
JPS59195938A (ja) * 1983-04-20 1984-11-07 Hitachi Constr Mach Co Ltd 油圧シヨベルの直線掘削制御装置
JPS61106833A (ja) * 1984-10-27 1986-05-24 Toyoda Autom Loom Works Ltd 荷役車両におけるバケツトレベリング装置
JPS61106834A (ja) * 1984-10-27 1986-05-24 Toyoda Autom Loom Works Ltd 荷役車両におけるバケツトレベリング装置
FR2808817A1 (fr) * 2000-05-15 2001-11-16 Groupe Mecalac Engin de travaux publics
DE10221551A1 (de) * 2002-05-14 2003-12-04 Botschafter Knopff Ilse Steuereinrichtung für ein Arbeitswerkzeug mit einer Parallelführung
ATE528446T1 (de) * 2002-10-31 2011-10-15 Deere & Co Arbeitsfahrzeug, insbesondere ein tieflöffelbagger und/oder ein fahrzeug mit einem frontlader
US8886415B2 (en) * 2011-06-16 2014-11-11 Caterpillar Inc. System implementing parallel lift for range of angles
US10633819B2 (en) * 2016-01-29 2020-04-28 Guangxi Liugong Machinery Co., Ltd. Self-level mechanism for a construction machine

Also Published As

Publication number Publication date
JPS5826128A (ja) 1983-02-16

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