ITMI912587A1 - Sistema d'azionamento automatico per attuatori di escavatore - Google Patents
Sistema d'azionamento automatico per attuatori di escavatoreInfo
- Publication number
- ITMI912587A1 ITMI912587A1 IT002587A ITMI912587A ITMI912587A1 IT MI912587 A1 ITMI912587 A1 IT MI912587A1 IT 002587 A IT002587 A IT 002587A IT MI912587 A ITMI912587 A IT MI912587A IT MI912587 A1 ITMI912587 A1 IT MI912587A1
- Authority
- IT
- Italy
- Prior art keywords
- drive system
- automatic drive
- excavator
- actuators
- excavator actuators
- Prior art date
Links
Classifications
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05B—CONTROL OR REGULATING SYSTEMS IN GENERAL; FUNCTIONAL ELEMENTS OF SUCH SYSTEMS; MONITORING OR TESTING ARRANGEMENTS FOR SUCH SYSTEMS OR ELEMENTS
- G05B19/00—Programme-control systems
- G05B19/02—Programme-control systems electric
- G05B19/04—Programme control other than numerical control, i.e. in sequence controllers or logic controllers
- G05B19/042—Programme control other than numerical control, i.e. in sequence controllers or logic controllers using digital processors
-
- 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
-
- 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
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Operation Control Of Excavators (AREA)
Applications Claiming Priority (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR1019900015861A KR940000244B1 (ko) | 1990-09-29 | 1990-09-29 | 굴삭기의 버킷제어방법 |
KR1019900017387A KR940000246B1 (ko) | 1990-10-29 | 1990-10-29 | 굴삭기 버킷의 자세유지 제어방법 |
KR1019900017672A KR950004017B1 (ko) | 1990-11-01 | 1990-11-01 | 굴삭기의 최적작동유량제어장치 및 그 제어방법 |
KR1019900018304A KR950004023B1 (ko) | 1990-11-13 | 1990-11-13 | 중장비의 액튜에이터 작동범위제한장치 및 그 제한방법 |
KR1019900022389A KR950002127B1 (ko) | 1990-12-29 | 1990-12-29 | 굴삭기의 정지작업 제어방법 |
KR1019910007081A KR930009918B1 (ko) | 1991-05-02 | 1991-05-02 | 액튜에이터 자동프리런닝시스템 |
Publications (3)
Publication Number | Publication Date |
---|---|
ITMI912587A0 ITMI912587A0 (it) | 1991-09-27 |
ITMI912587A1 true ITMI912587A1 (it) | 1993-03-27 |
IT1251898B IT1251898B (it) | 1995-05-26 |
Family
ID=27555047
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ITMI912587A IT1251898B (it) | 1990-09-29 | 1991-09-27 | Sistema d'azionamento automatico per attuatori di escavatore |
Country Status (5)
Country | Link |
---|---|
US (1) | US5308219A (it) |
DE (1) | DE4132597C2 (it) |
FR (1) | FR2667407B1 (it) |
GB (1) | GB2251232B (it) |
IT (1) | IT1251898B (it) |
Families Citing this family (33)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US5270626A (en) * | 1992-11-25 | 1993-12-14 | Samsung Heavy Industries Co., Ltd. | Method of controlling multitasking excavator system |
KR0152300B1 (ko) * | 1993-07-02 | 1998-10-15 | 김연수 | 유압펌프의 토출유량 제어방법 |
JP2566745B2 (ja) * | 1994-04-29 | 1996-12-25 | 三星重工業株式会社 | 電子制御油圧掘削機の自動平坦作業方法 |
CA2125375C (en) * | 1994-06-07 | 1999-04-20 | Andrew Dasys | Tactile control for automated bucket loading |
US5528843A (en) * | 1994-08-18 | 1996-06-25 | Caterpillar Inc. | Control system for automatically controlling a work implement of an earthworking machine to capture material |
US5924516A (en) * | 1996-01-16 | 1999-07-20 | Clark Equipment Company | Electronic controls on a skid steer loader |
US5704429A (en) * | 1996-03-30 | 1998-01-06 | Samsung Heavy Industries Co., Ltd. | Control system of an excavator |
JP3571142B2 (ja) * | 1996-04-26 | 2004-09-29 | 日立建機株式会社 | 建設機械の軌跡制御装置 |
US5933346A (en) * | 1996-06-05 | 1999-08-03 | Topcon Laser Systems, Inc. | Bucket depth and angle controller for excavator |
US6169948B1 (en) * | 1996-06-26 | 2001-01-02 | Hitachi Construction Machinery Co., Ltd. | Front control system, area setting method and control panel for construction machine |
KR19980041620A (ko) * | 1996-11-30 | 1998-08-17 | 이해규 | 건설 기계의 제어시스템 |
CN1166841C (zh) * | 1998-03-18 | 2004-09-15 | 日立建机株式会社 | 自动操作的挖土机和包括该挖土机的石头压碎*** |
US6305419B1 (en) | 2000-07-14 | 2001-10-23 | Clark Equipment Company | Variable pilot pressure control for pilot valves |
DE60226760D1 (de) * | 2001-10-22 | 2008-07-03 | Yanmar Co Ltd | Fahrzeug mit hydraulikgetriebe |
US7093383B2 (en) * | 2004-03-26 | 2006-08-22 | Husco International Inc. | Automatic hydraulic load leveling system for a work vehicle |
US7949449B2 (en) * | 2007-12-19 | 2011-05-24 | Caterpillar Inc. | Constant work tool angle control |
US8244438B2 (en) * | 2008-01-31 | 2012-08-14 | Caterpillar Inc. | Tool control system |
US8866470B2 (en) * | 2011-12-19 | 2014-10-21 | Harnischfeger Technologies, Inc. | Permanent magnet inclinometer for an industrial machine |
JP5529241B2 (ja) * | 2012-11-20 | 2014-06-25 | 株式会社小松製作所 | 作業機械および作業機械の作業量計測方法 |
US20150370254A1 (en) * | 2013-02-08 | 2015-12-24 | Chun-Han Lee | Construction Equipment Driving Control Method |
US9822507B2 (en) * | 2014-12-02 | 2017-11-21 | Cnh Industrial America Llc | Work vehicle with enhanced implement position control and bi-directional self-leveling functionality |
EP3242977B1 (en) * | 2015-01-07 | 2019-10-02 | Volvo Construction Equipment AB | Control method for controlling an excavator and excavator comprising a control unit implementing such a control method |
WO2017038772A1 (ja) * | 2015-08-31 | 2017-03-09 | 住友重機械工業株式会社 | ショベル |
JP6884702B2 (ja) * | 2015-09-16 | 2021-06-09 | 住友重機械工業株式会社 | ショベル |
JP7001350B2 (ja) * | 2017-02-20 | 2022-01-19 | 株式会社小松製作所 | 作業車両および作業車両の制御方法 |
JP6876623B2 (ja) * | 2017-07-14 | 2021-05-26 | 株式会社小松製作所 | 作業機械および作業機械の制御方法 |
JP7297491B2 (ja) * | 2019-03-27 | 2023-06-26 | 株式会社加藤製作所 | 建設機械の操作装置 |
US11629735B2 (en) | 2020-01-28 | 2023-04-18 | Caterpillar Paving Products Inc. | Milling machine having a fluid flow based height measurement system |
US11692563B2 (en) | 2020-01-28 | 2023-07-04 | Caterpillar Paving Products Inc. | Milling machine having a valve current based height measurement system |
US11578737B2 (en) * | 2020-03-12 | 2023-02-14 | Caterpillar Paving Products Inc. | Distance based actuator velocity calibration system |
US11566387B2 (en) * | 2020-03-12 | 2023-01-31 | Caterpillar Paving Products Inc. | Relative velocity based actuator velocity calibration system |
US20210324603A1 (en) * | 2020-04-16 | 2021-10-21 | Deere & Company | Apparatus and method for an excavator |
CN112281940B (zh) * | 2020-10-19 | 2022-09-09 | 三一重机有限公司 | 一种挖掘机和挖掘机的控制方法 |
Family Cites Families (25)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DK122470B (da) * | 1964-11-21 | 1972-03-06 | Elektrohydraulische Anlagen An | Manøvremekanisme til hydrauliske anlæg. |
US3414146A (en) * | 1966-08-11 | 1968-12-03 | Ford Motor Co | Automatic backhoe unit for use with industrial trucks and tractors |
GB1452033A (en) * | 1974-01-04 | 1976-10-06 | Mo Gorny I Ural Z Tyazhelogo M | Control device for a dragline excavator |
DE2631530A1 (de) * | 1976-07-14 | 1978-01-19 | Weserhuette Ag Eisenwerk | Steuerung von hydraulisch angetriebenen bagger- und auslegerkranen |
JPS544402A (en) * | 1977-06-10 | 1979-01-13 | Komatsu Mfg Co Ltd | Automatic excavation controller |
JPS56139316A (en) * | 1980-01-07 | 1981-10-30 | Komatsu Ltd | Power loss reduction controller for oil-pressure type construction machine |
JPS6129813Y2 (it) * | 1980-07-07 | 1986-09-02 | ||
SU1076549A2 (ru) * | 1981-06-09 | 1984-02-29 | Свердловский Ордена Трудового Красного Знамени Горный Институт Им.В.В.Вахрушева | Устройство дл управлени копающими механизмами экскаватора |
US4537029A (en) * | 1982-09-23 | 1985-08-27 | Vickers, Incorporated | Power transmission |
JPS619453A (ja) * | 1984-06-26 | 1986-01-17 | Toyo Ink Mfg Co Ltd | Abs樹脂用液状着色剤 |
IT1234937B (it) * | 1985-02-14 | 1992-06-02 | Cinotto Hydraulic | Sistema antisaturazione per circuiti idraulici di comando con pompe e distributori compensati in pressione per organi di lavoro di macchine movimento terra |
KR910009257B1 (ko) * | 1985-09-07 | 1991-11-07 | 히다찌 겡끼 가부시기가이샤 | 유압건설기계의 제어시스템 |
DE3764824D1 (de) * | 1986-01-25 | 1990-10-18 | Hitachi Construction Machinery | Hydraulisches antriebssystem. |
US4741159A (en) * | 1986-04-08 | 1988-05-03 | Vickers, Incorporated | Power transmission |
JPH0641762B2 (ja) * | 1986-08-06 | 1994-06-01 | 日立建機株式会社 | 油圧回路の駆動制御装置 |
JPH076530B2 (ja) * | 1986-09-27 | 1995-01-30 | 日立建機株式会社 | 油圧ショベルの油圧回路 |
DE3716200C2 (de) * | 1987-05-14 | 1997-08-28 | Linde Ag | Steuer- und Regeleinrichtung für ein hydrostatisches Antriebsaggregat und Verfahren zum Betreiben eines solchen |
JP2582266B2 (ja) * | 1987-09-29 | 1997-02-19 | 新キヤタピラー三菱株式会社 | 流体圧制御システム |
EP0512584B1 (en) * | 1988-08-02 | 1996-10-16 | Kabushiki Kaisha Komatsu Seisakusho | Method and apparatus for controlling working machines of a power shovel |
US5048293A (en) * | 1988-12-29 | 1991-09-17 | Hitachi Construction Machinery Co., Ltd. | Pump controlling apparatus for construction machine |
DE69029633T2 (de) * | 1989-03-22 | 1997-05-07 | Hitachi Construction Machinery | Hydraulisches antriebssystem für das bauwesen und für baumaschinen |
JPH0336334A (ja) * | 1989-06-30 | 1991-02-18 | Komatsu Ltd | 油圧式掘削機の操作パターン変換モニタ装置 |
JPH07122276B2 (ja) * | 1989-07-07 | 1995-12-25 | 油谷重工株式会社 | 建設機械の油圧ポンプ制御回路 |
JPH0826552B2 (ja) * | 1989-07-27 | 1996-03-13 | 株式会社小松製作所 | 建設機械のポンプ吐出量制御システム |
US5065326A (en) * | 1989-08-17 | 1991-11-12 | Caterpillar, Inc. | Automatic excavation control system and method |
-
1991
- 1991-09-20 GB GB9120108A patent/GB2251232B/en not_active Expired - Fee Related
- 1991-09-23 US US07/765,162 patent/US5308219A/en not_active Expired - Fee Related
- 1991-09-27 FR FR9111930A patent/FR2667407B1/fr not_active Expired - Fee Related
- 1991-09-27 IT ITMI912587A patent/IT1251898B/it active IP Right Grant
- 1991-09-30 DE DE4132597A patent/DE4132597C2/de not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
US5308219A (en) | 1994-05-03 |
IT1251898B (it) | 1995-05-26 |
FR2667407A1 (fr) | 1992-04-03 |
ITMI912587A0 (it) | 1991-09-27 |
DE4132597A1 (de) | 1992-04-02 |
FR2667407B1 (fr) | 1997-01-10 |
GB2251232B (en) | 1995-01-04 |
GB9120108D0 (en) | 1991-11-06 |
GB2251232A (en) | 1992-07-01 |
DE4132597C2 (de) | 1998-07-09 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
0001 | Granted | ||
TA | Fee payment date (situation as of event date), data collected since 19931001 |
Effective date: 19970929 |