IT8221468A0 - Dispositivo elettroidraulico di controllo per veicoli adatti per costruzioni. - Google Patents
Dispositivo elettroidraulico di controllo per veicoli adatti per costruzioni.Info
- Publication number
- IT8221468A0 IT8221468A0 IT8221468A IT2146882A IT8221468A0 IT 8221468 A0 IT8221468 A0 IT 8221468A0 IT 8221468 A IT8221468 A IT 8221468A IT 2146882 A IT2146882 A IT 2146882A IT 8221468 A0 IT8221468 A0 IT 8221468A0
- Authority
- IT
- Italy
- Prior art keywords
- construction
- control device
- electrohydraulic control
- vehicles suitable
- vehicles
- Prior art date
Links
- 238000010276 construction Methods 0.000 title 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F15—FLUID-PRESSURE ACTUATORS; HYDRAULICS OR PNEUMATICS IN GENERAL
- F15B—SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL; FLUID-PRESSURE ACTUATORS, e.g. SERVOMOTORS; DETAILS OF FLUID-PRESSURE SYSTEMS, NOT OTHERWISE PROVIDED FOR
- F15B21/00—Common features of fluid actuator systems; Fluid-pressure actuator systems or details thereof, not covered by any other group of this subclass
- F15B21/08—Servomotor systems incorporating electrically operated control means
-
- 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
- E02F3/96—Dredgers; Soil-shifting machines mechanically-driven with arrangements for alternate or simultaneous use of different digging elements
- E02F3/961—Dredgers; Soil-shifting machines mechanically-driven with arrangements for alternate or simultaneous use of different digging elements with several digging elements or tools mounted on one machine
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02F—DREDGING; SOIL-SHIFTING
- E02F5/00—Dredgers or soil-shifting machines for special purposes
- E02F5/30—Auxiliary apparatus, e.g. for thawing, cracking, blowing-up, or other preparatory treatment of the soil
- E02F5/32—Rippers
-
- 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
- E02F9/2004—Control mechanisms, e.g. control levers
-
- 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
- E02F9/2025—Particular purposes of control systems not otherwise provided for
-
- 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
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/36—Nc in input of data, input key till input tape
- G05B2219/36429—Power assisted positioning
-
- 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
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/41—Servomotor, servo controller till figures
- G05B2219/41302—On off fluid valve and power cylinder
-
- 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
- G05B2219/00—Program-control systems
- G05B2219/30—Nc systems
- G05B2219/41—Servomotor, servo controller till figures
- G05B2219/41318—Electro hydraulic drive, electric motor drives hydraulic actuator
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/21—Elements
- Y10T74/2133—Pawls and ratchets
- Y10T74/2136—Pivoted pawls
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/21—Elements
- Y10T74/2142—Pitmans and connecting rods
- Y10T74/2144—Yieldable
- Y10T74/2147—Fluid cushion
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Analytical Chemistry (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Operation Control Of Excavators (AREA)
- Fluid-Pressure Circuits (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP56079799A JPS57197334A (en) | 1981-05-26 | 1981-05-26 | Electric oil pressure controller for construction vehicle |
Publications (2)
Publication Number | Publication Date |
---|---|
IT8221468A0 true IT8221468A0 (it) | 1982-05-25 |
IT1151234B IT1151234B (it) | 1986-12-17 |
Family
ID=13700260
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT21468/82A IT1151234B (it) | 1981-05-26 | 1982-05-25 | Dispositivo elettroidraulico di controllo per veicoli adatti per costruzioni |
Country Status (5)
Country | Link |
---|---|
US (1) | US4516469A (it) |
JP (1) | JPS57197334A (it) |
DE (1) | DE3219345C2 (it) |
GB (1) | GB2102592B (it) |
IT (1) | IT1151234B (it) |
Families Citing this family (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS6131532A (ja) * | 1984-07-24 | 1986-02-14 | Kubota Ltd | シヨベル作業車 |
EP0284167B1 (en) * | 1987-03-27 | 1993-07-21 | Hitachi Construction Machinery Co., Ltd. | Drive control system for hydraulic machine |
JPH076206Y2 (ja) * | 1987-09-30 | 1995-02-15 | 株式会社クボタ | ブーム型作業機の制御装置 |
EP0362402B1 (en) * | 1988-03-03 | 1997-09-03 | Hitachi Construction Machinery Co., Ltd. | Method and apparatus for driving hydraulic machine |
US5358055A (en) * | 1993-01-22 | 1994-10-25 | Deere & Company | Partial width seeding attachment |
US5383390A (en) * | 1993-06-28 | 1995-01-24 | Caterpillar Inc. | Multi-variable control of multi-degree of freedom linkages |
DE4420166C1 (de) * | 1994-06-09 | 1995-11-30 | Rexroth Mannesmann Gmbh | Regelungsverfahren und elektrohydraulisches Regelsystem für einen Verbraucher eines Arbeitsgeräts |
US5499684A (en) * | 1994-08-16 | 1996-03-19 | Caterpillar Inc. | Geographic surface altering implement control system |
US5551518A (en) * | 1994-09-28 | 1996-09-03 | Caterpillar Inc. | Tilt rate compensation implement system and method |
US5490384A (en) * | 1994-12-08 | 1996-02-13 | Caterpillar Inc. | Hydraulic flow priority system |
JP3207771B2 (ja) * | 1996-07-26 | 2001-09-10 | 株式会社エフエフシー | 油圧作業機 |
US20070071609A1 (en) * | 2005-09-26 | 2007-03-29 | Sturman Industries, Inc. | Digital pump with multiple outlets |
JP5882066B2 (ja) * | 2012-01-19 | 2016-03-09 | 日立建機株式会社 | 作業車両の制御装置 |
Family Cites Families (20)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2175799A (en) * | 1936-06-03 | 1939-10-10 | Sperry Gyroscope Co Inc | Electrohydraulic telemotor |
US2643515A (en) * | 1950-10-17 | 1953-06-30 | Chester A Harsch | Electric control system for expansible motor operated boom |
DE1142277B (de) * | 1953-12-18 | 1963-01-10 | Siam | Elektrohydraulische Steuereinrichtung fuer einen doppeltwirkenden Servomotor |
DE1172542B (de) * | 1954-12-30 | 1964-06-18 | Gen Electric | Steuereinrichtung fuer eine hydraulischen Stellmotor |
GB1264121A (it) * | 1968-02-14 | 1972-02-16 | ||
US3768367A (en) * | 1969-05-07 | 1973-10-30 | Caterpillar Tractor Co | Remote control system for load manipulating vehicles |
US3626809A (en) * | 1970-09-29 | 1971-12-14 | Gen Electric | Bilateral servosystem |
US3644816A (en) * | 1970-12-21 | 1972-02-22 | Gen Electric | Manual and automatic master-slave control system |
DE2114639A1 (de) * | 1971-03-26 | 1972-10-05 | Bosch Gmbh Robert | Elektrohydraulische Steuerungsvorrichtung für einen hydraulischen Verbraucher |
US3703931A (en) * | 1971-05-17 | 1972-11-28 | Caterpillar Tractor Co | Electro-hydraulic touch control system for earthmoving vehicles |
US3818926A (en) * | 1973-04-11 | 1974-06-25 | D Wohlwend | Hydraulic valve and system |
DE2443445A1 (de) * | 1973-09-12 | 1975-03-13 | Diesel Kiki Co | Elektrohydraulische steuereinrichtung |
FR2252208B1 (it) * | 1973-11-22 | 1978-04-14 | Ruthner Industrieanlagen Ag | |
GB1534693A (en) * | 1975-06-30 | 1978-12-06 | Komatsu Mfg Co Ltd | Controlling apparatus for bulldozer blade |
JPS5297088A (en) * | 1976-02-12 | 1977-08-15 | Hitachi Constr Mach Co Ltd | Controller |
DE2609434C2 (de) * | 1976-03-06 | 1985-03-07 | Robert Bosch Gmbh, 7000 Stuttgart | Einrichtung zur Steuerung eines hydraulischen Motors |
DE2631530A1 (de) * | 1976-07-14 | 1978-01-19 | Weserhuette Ag Eisenwerk | Steuerung von hydraulisch angetriebenen bagger- und auslegerkranen |
FR2427929A1 (fr) * | 1978-06-08 | 1980-01-04 | Neiman Sa | Perfectionnements aux antivols pour vehicules automobiles |
JPS5811279B2 (ja) * | 1978-08-08 | 1983-03-02 | 株式会社片山化学工業研究所 | スケ−ル防止処理法 |
DE2923030A1 (de) * | 1979-06-07 | 1980-12-18 | Komatsu Mfg Co Ltd | Automatische regeleinrichtung fuer ein erdbewegungsgeraet |
-
1981
- 1981-05-26 JP JP56079799A patent/JPS57197334A/ja active Pending
-
1982
- 1982-05-20 GB GB08214725A patent/GB2102592B/en not_active Expired
- 1982-05-22 DE DE3219345A patent/DE3219345C2/de not_active Expired
- 1982-05-25 US US06/381,701 patent/US4516469A/en not_active Expired - Lifetime
- 1982-05-25 IT IT21468/82A patent/IT1151234B/it active
Also Published As
Publication number | Publication date |
---|---|
DE3219345C2 (de) | 1987-03-12 |
DE3219345A1 (de) | 1982-12-23 |
JPS57197334A (en) | 1982-12-03 |
GB2102592A (en) | 1983-02-02 |
IT1151234B (it) | 1986-12-17 |
GB2102592B (en) | 1985-06-12 |
US4516469A (en) | 1985-05-14 |
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