DE3854897T2 - Verfahren zur verwendung eines gegliederten armes für baufahrzeuge - Google Patents

Verfahren zur verwendung eines gegliederten armes für baufahrzeuge

Info

Publication number
DE3854897T2
DE3854897T2 DE3854897T DE3854897T DE3854897T2 DE 3854897 T2 DE3854897 T2 DE 3854897T2 DE 3854897 T DE3854897 T DE 3854897T DE 3854897 T DE3854897 T DE 3854897T DE 3854897 T2 DE3854897 T2 DE 3854897T2
Authority
DE
Germany
Prior art keywords
boom
cylinder
bucket
vehicle
dead center
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 - Fee Related
Application number
DE3854897T
Other languages
German (de)
English (en)
Other versions
DE3854897D1 (de
Inventor
Kuniharu Fujii
Hisashi Fukumoto
Noboru Kanayama
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
Priority claimed from JP29946587A external-priority patent/JPH0830346B2/ja
Priority claimed from JP29946687A external-priority patent/JPH0830347B2/ja
Priority claimed from JP1823188A external-priority patent/JPH028419A/ja
Application filed by Komatsu Ltd filed Critical Komatsu Ltd
Publication of DE3854897D1 publication Critical patent/DE3854897D1/de
Application granted granted Critical
Publication of DE3854897T2 publication Critical patent/DE3854897T2/de
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • E02F9/20—Drives; Control devices
    • E02F9/22—Hydraulic or pneumatic drives
    • E02F9/2278—Hydraulic circuits
    • E02F9/2292—Systems with two or more pumps
    • 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
    • E02F3/30—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 with a dipper-arm pivoted on a cantilever beam, i.e. boom
    • E02F3/301—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 with a dipper-arm pivoted on a cantilever beam, i.e. boom with more than two arms (boom included), e.g. two-part boom with additional dipper-arm
    • 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
    • E02F3/30—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 with a dipper-arm pivoted on a cantilever beam, i.e. boom
    • E02F3/32—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 with a dipper-arm pivoted on a cantilever beam, i.e. boom working downwardly and towards the machine, e.g. with backhoes
    • 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
    • E02F9/2221—Control of flow rate; Load sensing arrangements
    • E02F9/2239—Control of flow rate; Load sensing arrangements using two or more pumps with cross-assistance

Landscapes

  • Engineering & Computer Science (AREA)
  • Mining & Mineral Resources (AREA)
  • Civil Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Operation Control Of Excavators (AREA)
  • Shovels (AREA)
  • Jib Cranes (AREA)
DE3854897T 1987-11-26 1988-11-25 Verfahren zur verwendung eines gegliederten armes für baufahrzeuge Expired - Fee Related DE3854897T2 (de)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP29946587A JPH0830346B2 (ja) 1987-11-26 1987-11-26 油圧式掘削機の作業機姿勢変更装置及び方法
JP29946687A JPH0830347B2 (ja) 1987-11-26 1987-11-26 油圧式掘削機の作業機姿勢変更装置及び方法
JP1823188A JPH028419A (ja) 1988-01-28 1988-01-28 油圧掘削機の作業機収納方法
PCT/JP1988/001198 WO1989004894A1 (fr) 1987-11-26 1988-11-25 Bras articule pour engins de construction et procede d'utilisation

Publications (2)

Publication Number Publication Date
DE3854897D1 DE3854897D1 (de) 1996-02-22
DE3854897T2 true DE3854897T2 (de) 1996-08-14

Family

ID=27282137

Family Applications (1)

Application Number Title Priority Date Filing Date
DE3854897T Expired - Fee Related DE3854897T2 (de) 1987-11-26 1988-11-25 Verfahren zur verwendung eines gegliederten armes für baufahrzeuge

Country Status (3)

Country Link
EP (1) EP0399043B1 (fr)
DE (1) DE3854897T2 (fr)
WO (1) WO1989004894A1 (fr)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP3313784B2 (ja) * 1992-09-30 2002-08-12 株式会社小松製作所 建設機械の作業機装置
US5423655A (en) * 1993-01-14 1995-06-13 Kabushiki Kaisha Komatsu Seisakusho Working machine for hydraulic excavator
FR2718769B1 (fr) * 1994-04-13 1996-05-31 Gibert Pierre Jean Marie Ensemble compact de deux bras articulés, dont l'extrémité libre est équipée d'un porte équipement, destiné à des véhicules de manutention, et terrassement.
JP3446847B2 (ja) * 1994-11-08 2003-09-16 株式会社小松製作所 作業車両

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1185523B (de) * 1961-04-29 1965-01-14 Liebherr Hans Abbaugeraet fuer Ton
GB1202279A (en) * 1966-11-18 1970-08-12 Massey Ferguson Services Nv Improvements in material handling devices which include a pivotable boom
JPS4879101U (fr) * 1971-12-28 1973-09-28
DE2459489A1 (de) * 1974-07-18 1976-01-29 Krone Bernhard Gmbh Maschf Planiergeraet
JPS5920443Y2 (ja) * 1979-07-27 1984-06-14 株式会社豊田自動織機製作所 スキツドステアシヨベルにおけるリフトア−ム
JPS6042123Y2 (ja) * 1980-04-17 1985-12-23 株式会社小松製作所 油圧式掘削機
JPS62103860U (fr) * 1985-12-20 1987-07-02

Also Published As

Publication number Publication date
WO1989004894A1 (fr) 1989-06-01
DE3854897D1 (de) 1996-02-22
EP0399043A1 (fr) 1990-11-28
EP0399043B1 (fr) 1996-01-10
EP0399043A4 (en) 1991-09-25

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee