EP0471840A4 - Electronic control type hydraulic driving machine - Google Patents

Electronic control type hydraulic driving machine

Info

Publication number
EP0471840A4
EP0471840A4 EP19900903925 EP90903925A EP0471840A4 EP 0471840 A4 EP0471840 A4 EP 0471840A4 EP 19900903925 EP19900903925 EP 19900903925 EP 90903925 A EP90903925 A EP 90903925A EP 0471840 A4 EP0471840 A4 EP 0471840A4
Authority
EP
Grant status
Application
Patent type
Prior art keywords
electronic control
control type
type hydraulic
driving machine
hydraulic driving
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.)
Withdrawn
Application number
EP19900903925
Other versions
EP0471840A1 (en )
Inventor
K Note
K Nakamura
K Yamashita
S Maeda
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

Links

Classifications

    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F3/00Dredgers; Soil-shifting machines
    • E02F3/04Dredgers; Soil-shifting machines mechanically-driven
    • E02F3/28Dredgers; 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
    • E02F3/36Component parts
    • E02F3/42Drives for dippers, buckets, dipper-arms or bucket-arms
    • E02F3/43Control of dipper or bucket position; Control of sequence of drive operations
    • E02F3/435Control of dipper or bucket position; Control of sequence of drive operations for dipper-arms, backhoes or the like
    • E02F3/438Memorising movements for repetition, e.g. play-back capability
    • EFIXED CONSTRUCTIONS
    • E02HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
    • E02FDREDGING; SOIL-SHIFTING
    • E02F9/00Component parts of dredgers or soil-shifting machines, not restricted to one of the kinds covered by groups E02F3/00 - E02F7/00
    • E02F9/20Drives; Control devices
    • E02F9/22Hydraulic or pneumatic drives
    • E02F9/2203Arrangements for controlling the attitude of actuators, e.g. speed, floating function
    • E02F9/221Arrangements for controlling the attitude of actuators, e.g. speed, floating function for generating actuator vibration
EP19900903925 1989-02-28 1990-02-28 Electronic control type hydraulic driving machine Withdrawn EP0471840A4 (en)

Priority Applications (6)

Application Number Priority Date Filing Date Title
JP45201/89 1989-02-28
JP4520289A JPH02225727A (en) 1989-02-28 1989-02-28 Electronic controlling hydraulic driving machinery
JP45202/89 1989-02-28
JP4520389A JPH02225728A (en) 1989-02-28 1989-02-28 Electronic controlling hydraulic driving machine
JP45203/89 1989-02-28
JP4520189A JPH02225726A (en) 1989-02-28 1989-02-28 Working machinery

Publications (2)

Publication Number Publication Date
EP0471840A1 true EP0471840A1 (en) 1992-02-26
EP0471840A4 true true EP0471840A4 (en) 1992-08-26

Family

ID=27292155

Family Applications (1)

Application Number Title Priority Date Filing Date
EP19900903925 Withdrawn EP0471840A4 (en) 1989-02-28 1990-02-28 Electronic control type hydraulic driving machine

Country Status (2)

Country Link
EP (1) EP0471840A4 (en)
WO (1) WO1990010116A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2252642B (en) * 1990-12-31 1995-05-24 Samsung Heavy Ind System for automatically controlling operation of construction vehicle
EP0598937A1 (en) * 1992-11-25 1994-06-01 Samsung Heavy Industries Co., Ltd Multiprocessor system for hydraulic excavator
US5860231A (en) * 1996-04-30 1999-01-19 Samsung Heavy Industries Co., Ltd. Device and method for automatically vibrating working members of power construction vehicles
EP0912806B1 (en) * 1996-06-03 2001-09-05 Siemens Aktiengesellschaft Process and arrangement for controlling a sequence of movements in a moving construction machine
DE19830880A1 (en) * 1998-07-10 2000-01-20 Meinl Baumaschinen Gmbh Small earth moving machine with shovel and tipper container for excavating earth and remote operation of on-board power system
US7117952B2 (en) * 2004-03-12 2006-10-10 Clark Equipment Company Automated attachment vibration system
CN102587446A (en) * 2012-03-27 2012-07-18 昆山航天智能技术有限公司 Hydraulic control shock excitation equipment for vibration excavator

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2619140A1 (en) * 1987-08-03 1989-02-10 Formation Travaux Publics Cent Device for automatic guidance of excavation machines by turning laser

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS552497B2 (en) * 1972-05-15 1980-01-21
JPS55105034A (en) * 1979-02-02 1980-08-12 Kubota Ltd Back hoe
JPH0336971B2 (en) * 1983-02-17 1991-06-04 Hitachi Construction Machinery
JPH0634442Y2 (en) * 1988-06-30 1994-09-07 株式会社小松製作所 Power shovel of the control device

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2619140A1 (en) * 1987-08-03 1989-02-10 Formation Travaux Publics Cent Device for automatic guidance of excavation machines by turning laser

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO9010116A1 *

Also Published As

Publication number Publication date Type
EP0471840A1 (en) 1992-02-26 application
WO1990010116A1 (en) 1990-09-07 application

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Legal Events

Date Code Title Description
17P Request for examination filed

Effective date: 19910827

AK Designated contracting states:

Kind code of ref document: A1

Designated state(s): DE GB SE

RIN1 Inventor (correction)

Inventor name: NAKAMURA, KENTARO, C/O ELECTRO-PARTS MANUFACT. DE

Inventor name: YAMASHITA, KOICHI, C/O ELECTRO-PARTS MANUFACT. DE

Inventor name: MAEDA, SHINJI, C/O ELECTRO-PARTS MANUFACTURING DE

Inventor name: NOTE, KIYOSHI, C/O ELECTRO-PARTS MANUFACT. DEPT.

A4 Despatch of supplementary search report

Effective date: 19920706

AK Designated contracting states:

Kind code of ref document: A4

Designated state(s): DE GB SE

17Q First examination report

Effective date: 19940210

18D Deemed to be withdrawn

Effective date: 19940621