EP0471840A4 - Electronic control type hydraulic driving machine - Google Patents

Electronic control type hydraulic driving machine

Info

Publication number: EP0471840A4
Authority: EP; European Patent Office
Prior art keywords: electronic control; control type; driving machine; type hydraulic; hydraulic driving
Prior art date: 1989-02-28
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 Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.): Withdrawn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.)

1989-02-28

Filing date

1990-02-28

Publication date

1992-08-26

1989-02-28 Priority claimed from JP4520389A external-priority patent/JPH02225728A/en

1989-02-28 Priority claimed from JP4520189A external-priority patent/JPH02225726A/en

1989-02-28 Priority claimed from JP4520289A external-priority patent/JPH02225727A/en

1990-02-28 Application filed by Komatsu Ltd filed Critical Komatsu Ltd

1992-02-26 Publication of EP0471840A1 publication Critical patent/EP0471840A1/en

1992-08-26 Publication of EP0471840A4 publication Critical patent/EP0471840A4/en

Status Withdrawn legal-status Critical Current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
- E02F3/435—Control of dipper or bucket position; Control of sequence of drive operations for dipper-arms, backhoes or the like
- E02F3/438—Memorising movements for repetition, e.g. play-back capability
- 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
- 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
- E02F9/2203—Arrangements for controlling the attitude of actuators, e.g. speed, floating function
- E02F9/221—Arrangements for controlling the attitude of actuators, e.g. speed, floating function for generating actuator vibration

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)
Fluid-Pressure Circuits (AREA)

EP19900903925 1989-02-28 1990-02-28 Electronic control type hydraulic driving machine Withdrawn EP0471840A4 (en)

Applications Claiming Priority (6)

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

Publications (2)

Publication Number	Publication Date
EP0471840A1 EP0471840A1 (en)	1992-02-26
EP0471840A4 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 (3)

Country	Link
EP (1)	EP0471840A4 (en)
KR (1)	KR920700334A (en)
WO (1)	WO1990010116A1 (en)

Families Citing this family (10)

* 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
KR100328217B1 (en) *	1996-04-30	2002-06-26	볼보 컨스트럭션 이키프먼트 홀딩 스웨덴 에이비	Automatic Vibration System and Method of Hydraulic Construction Machinery
WO1997046763A1 (en) *	1996-06-03	1997-12-11	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
JP3790058B2 (en) *	1999-01-14	2006-06-28	株式会社神戸製鋼所	Excavator control device
KR100697874B1 (en) *	2001-04-25	2007-03-23	히다치 겡키 가부시키 가이샤	Managing device and managing system for construction machinery
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
CN114222844B (en) *	2019-10-11	2023-07-04	株式会社小松制作所	Work machine and control method for work machine

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
JPS59150837A (en) *	1983-02-17	1984-08-29	Hitachi Constr Mach Co Ltd	Action regenerator of working machine
JPH0634442Y2 (en) *	1988-06-30	1994-09-07	株式会社小松製作所	Power shovel controller

1990
- 1990-02-28 WO PCT/JP1990/000267 patent/WO1990010116A1/en not_active Application Discontinuation
- 1990-02-28 KR KR1019900702339A patent/KR920700334A/en not_active Application Discontinuation
- 1990-02-28 EP EP19900903925 patent/EP0471840A4/en not_active Withdrawn

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
KR920700334A (en)	1992-02-19
WO1990010116A1 (en)	1990-09-07
EP0471840A1 (en)	1992-02-26

Legal Events

Date	Code	Title	Description
1992-01-10	PUAI	Public reference made under article 153(3) epc to a published international application that has entered the european phase	Free format text: ORIGINAL CODE: 0009012
1992-02-26	17P	Request for examination filed	Effective date: 19910827
1992-02-26	AK	Designated contracting states	Kind code of ref document: A1 Designated state(s): DE GB SE
1992-04-01	RIN1	Information on inventor provided before grant (corrected)	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.
1992-08-26	A4	Supplementary search report drawn up and despatched	Effective date: 19920706
1992-08-26	AK	Designated contracting states	Kind code of ref document: A4 Designated state(s): DE GB SE
1994-03-30	17Q	First examination report despatched	Effective date: 19940210
1994-10-31	STAA	Information on the status of an ep patent application or granted ep patent	Free format text: STATUS: THE APPLICATION IS DEEMED TO BE WITHDRAWN
1994-12-21	18D	Application deemed to be withdrawn	Effective date: 19940621

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