IT1107907B - Dispositivo di arresto automatico di un motore idraulico in una posizione predeterminata - Google Patents
Dispositivo di arresto automatico di un motore idraulico in una posizione predeterminataInfo
- Publication number
- IT1107907B IT1107907B IT68428/78A IT6842878A IT1107907B IT 1107907 B IT1107907 B IT 1107907B IT 68428/78 A IT68428/78 A IT 68428/78A IT 6842878 A IT6842878 A IT 6842878A IT 1107907 B IT1107907 B IT 1107907B
- Authority
- IT
- Italy
- Prior art keywords
- hydraulic motor
- stop device
- automatic stop
- default position
- default
- Prior art date
Links
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16H—GEARING
- F16H61/00—Control functions within control units of change-speed- or reversing-gearings for conveying rotary motion ; Control of exclusively fluid gearing, friction gearing, gearings with endless flexible members or other particular types of gearing
- F16H61/38—Control of exclusively fluid gearing
- F16H61/40—Control of exclusively fluid gearing hydrostatic
- F16H61/4043—Control of a bypass valve
- F16H61/4052—Control of a bypass valve by using a variable restriction, e.g. an orifice valve
-
- 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
- E02F9/08—Superstructures; Supports for superstructures
- E02F9/10—Supports for movable superstructures mounted on travelling or walking gears or on other superstructures
- E02F9/12—Slewing or traversing gears
- E02F9/121—Turntables, i.e. structure rotatable about 360°
- E02F9/123—Drives or control devices specially adapted therefor
-
- 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
- E02F9/08—Superstructures; Supports for superstructures
- E02F9/10—Supports for movable superstructures mounted on travelling or walking gears or on other superstructures
- E02F9/12—Slewing or traversing gears
- E02F9/121—Turntables, i.e. structure rotatable about 360°
- E02F9/128—Braking systems
-
- 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
- E02F9/2033—Limiting the movement of frames or implements, e.g. to avoid collision between implements and the cabin
-
- G—PHYSICS
- G05—CONTROLLING; REGULATING
- G05D—SYSTEMS FOR CONTROLLING OR REGULATING NON-ELECTRIC VARIABLES
- G05D3/00—Control of position or direction
- G05D3/12—Control of position or direction using feedback
- G05D3/20—Control of position or direction using feedback using a digital comparing device
-
- 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
- Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10S60/00—Power plants
- Y10S60/911—Fluid motor system incorporating electrical system
Landscapes
- Engineering & Computer Science (AREA)
- General Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Civil Engineering (AREA)
- Structural Engineering (AREA)
- Mechanical Engineering (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Automation & Control Theory (AREA)
- Fluid-Pressure Circuits (AREA)
- Control Of Throttle Valves Provided In The Intake System Or In The Exhaust System (AREA)
- Operation Control Of Excavators (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR7719309A FR2395412A1 (fr) | 1977-06-23 | 1977-06-23 | Dispositif d'arret automatique de la rotation d'un moteur hydraulique |
Publications (2)
Publication Number | Publication Date |
---|---|
IT7868428A0 IT7868428A0 (it) | 1978-06-19 |
IT1107907B true IT1107907B (it) | 1985-12-02 |
Family
ID=9192475
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT68428/78A IT1107907B (it) | 1977-06-23 | 1978-06-19 | Dispositivo di arresto automatico di un motore idraulico in una posizione predeterminata |
Country Status (9)
Country | Link |
---|---|
US (1) | US4194365A (it) |
JP (1) | JPS5410870A (it) |
BE (1) | BE868344A (it) |
BR (1) | BR7803970A (it) |
DE (1) | DE2827449A1 (it) |
ES (1) | ES471096A1 (it) |
FR (1) | FR2395412A1 (it) |
GB (1) | GB2000326B (it) |
IT (1) | IT1107907B (it) |
Families Citing this family (41)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS609092Y2 (ja) * | 1978-11-28 | 1985-04-01 | 株式会社小松製作所 | 油圧駆動車両のインチングブレ−キ制御回路 |
NL174934B (nl) * | 1981-07-21 | 1984-04-02 | Koopmans Luitzen B | Lierinrichting met van een beveiligingsschakeling voorziene hydraulische overbrenging. |
FR2518656A1 (fr) * | 1981-12-23 | 1983-06-24 | Vernay Henri | Commande hydraulique pour la rotation d'un mat de grue ou analogue |
US4581893A (en) * | 1982-04-19 | 1986-04-15 | Unimation, Inc. | Manipulator apparatus with energy efficient control |
GB2134876B (en) * | 1982-12-24 | 1987-01-21 | Kubota Ltd | Swivelling-type work vehicle |
DE3461666D1 (en) * | 1983-02-12 | 1987-01-22 | Hikoma Seisakusho Kk | Earth-working machine |
EP0125736A1 (en) * | 1983-05-17 | 1984-11-21 | Hitachi Construction Machinery Co., Ltd. | Dredging excavator |
EP0156546B1 (en) * | 1984-03-06 | 1988-09-28 | Kabushiki Kaisha Hikoma Seisakusho | Earth-working machine |
US4782662A (en) * | 1984-09-27 | 1988-11-08 | National-Oilwell | Boom crane centering |
US4653271A (en) * | 1984-09-27 | 1987-03-31 | Armco Inc. | Boom crane centering |
US4586332A (en) * | 1984-11-19 | 1986-05-06 | Caterpillar Tractor Co. | Hydraulic swing motor control circuit |
DE3678090D1 (de) * | 1985-09-06 | 1991-04-18 | Hitachi Construction Machinery | Hydraulisches vorsteuersystem fuer die bedienung von wegeventilen. |
US4694647A (en) * | 1986-03-28 | 1987-09-22 | Kabushiki Kaisha Komatsu Seisakusho | Hydraulic circuit system for use in hydraulically operated vehicles |
JPH0754641Y2 (ja) * | 1986-05-09 | 1995-12-18 | 東洋運搬機株式会社 | 荷役位置制御装置 |
US5158150A (en) * | 1986-05-13 | 1992-10-27 | Hydra-Powr, Inc. | Hydraulic wheelchair |
US4756235A (en) * | 1986-09-15 | 1988-07-12 | Cartner Jack O | Motor control valve assembly |
JPS6446503U (it) * | 1987-09-17 | 1989-03-22 | ||
JPH01192921A (ja) * | 1988-01-27 | 1989-08-03 | Caterpillar Inc | 建設機械の作業機位置制御装置 |
US5046312A (en) * | 1988-07-08 | 1991-09-10 | Kubota, Ltd. | Swivel speed control circuit for working vehicle |
GB2225127B (en) * | 1988-11-18 | 1993-03-31 | Kubota Ltd | Pivotal movement control device for boom-equipped working machine |
DE3900887C2 (de) * | 1989-01-13 | 1994-09-29 | Rexroth Mannesmann Gmbh | Ventilanordnung zum Betätigen des Teleskopzylinders eines Lkw-Kippers |
US5197284A (en) * | 1989-07-21 | 1993-03-30 | Cartner Jack O | Hydraulic motor deceleration system |
ES2047675T3 (es) * | 1989-07-26 | 1994-03-01 | Kobe Steel Ltd | Metodo de controlar la operacion de giro de un mecanismo de giro y un sistema de control hidraulico para llevar a cabo el mismo. |
US5025626A (en) * | 1989-08-31 | 1991-06-25 | Caterpillar Inc. | Cushioned swing circuit |
JP2600009B2 (ja) * | 1990-04-25 | 1997-04-16 | 株式会社神戸製鋼所 | クレーンの旋回制御装置 |
GB2250108B (en) * | 1990-10-31 | 1995-02-08 | Samsung Heavy Ind | Control system for automatically controlling actuators of an excavator |
JP2967651B2 (ja) * | 1991-08-12 | 1999-10-25 | ダイキン工業株式会社 | 位置割出装置 |
US5355675A (en) * | 1993-08-31 | 1994-10-18 | Western Atlas International, Inc. | Stabilized speed-control system for a hydrostatic transmission |
US5410842A (en) * | 1993-11-12 | 1995-05-02 | Asi Technologies, Inc. | Two speed hydraulic door operator |
DE9400760U1 (de) * | 1994-01-18 | 1994-03-31 | Heilit + Woerner Bau-AG, 81677 München | Kombination eines Baggers mit einer Rütteleinrichtung |
JP2972530B2 (ja) * | 1994-11-16 | 1999-11-08 | 新キャタピラー三菱株式会社 | 建設機械の作業機制御装置 |
US5938224A (en) * | 1996-04-08 | 1999-08-17 | Brackett; Douglas C. | Hydraulic bicycle with conjugate drive motors and variable stroke crankshaft |
US5772225A (en) * | 1996-04-08 | 1998-06-30 | Brackett; Douglas C. | Hydraulic bicycle with conjugate drive motors |
US5709083A (en) * | 1996-08-15 | 1998-01-20 | Caterpillar Inc. | Hydraulic swing motor deceleration control |
JP3884178B2 (ja) * | 1998-11-27 | 2007-02-21 | 日立建機株式会社 | 旋回制御装置 |
DE29913616U1 (de) | 1999-08-04 | 1999-11-25 | Alpha Fluid Hydrauliksysteme Müller GmbH, 72124 Pliezhausen | Ventilanordnung |
US6941687B2 (en) * | 2001-09-25 | 2005-09-13 | Cnh America Llc | Electronic control for swing damping |
US6705079B1 (en) | 2002-09-25 | 2004-03-16 | Husco International, Inc. | Apparatus for controlling bounce of hydraulically powered equipment |
US7059359B2 (en) * | 2003-05-22 | 2006-06-13 | Voith Fabrics | Warp bound composite papermaking fabric |
US6959726B2 (en) * | 2003-10-01 | 2005-11-01 | Husco International, Inc. | Valve assembly for attenuating bounce of hydraulically driven members of a machine |
JP6156871B2 (ja) * | 2013-07-12 | 2017-07-05 | キャタピラー エス エー アール エル | 作業車両 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3238722A (en) * | 1963-09-24 | 1966-03-08 | Vsesouzny Nii Str I Dorozhnogo | Platform slewing gear of single-motor universal type crane-excavator |
US3369360A (en) * | 1965-11-18 | 1968-02-20 | Charles P. De Biasi | Hydraulic propulsion and braking system for vehicles or the like |
US3414146A (en) * | 1966-08-11 | 1968-12-03 | Ford Motor Co | Automatic backhoe unit for use with industrial trucks and tractors |
FR1516814A (fr) * | 1966-11-18 | 1968-02-05 | Ckd Praha Narodni Podnik | Dispositif pour la commande de la vitesse d'un mécanisme de rotation automatique, en particulier pour grues et excavateurs à mécanisme d'entraînement hydraulique |
US3672168A (en) * | 1970-11-06 | 1972-06-27 | Leonard M Salmon | Rotary pump and power transmission system |
SE363368B (it) * | 1972-05-31 | 1974-01-14 | Volvo Bm | |
AU502182B2 (en) * | 1975-03-17 | 1979-07-19 | Massey-Ferguson Inc | Hydraulic swing mechanism |
US3964262A (en) * | 1975-06-10 | 1976-06-22 | Clark Equipment Company | Hydrostatic transmission control system |
US4015729A (en) * | 1976-01-02 | 1977-04-05 | J. I. Case Company | Automatic control system for backhoe |
-
1977
- 1977-06-23 FR FR7719309A patent/FR2395412A1/fr active Granted
-
1978
- 1978-06-08 US US05/914,065 patent/US4194365A/en not_active Expired - Lifetime
- 1978-06-16 GB GB7827183A patent/GB2000326B/en not_active Expired
- 1978-06-19 IT IT68428/78A patent/IT1107907B/it active
- 1978-06-22 BE BE2057084A patent/BE868344A/xx unknown
- 1978-06-22 BR BR787803970A patent/BR7803970A/pt unknown
- 1978-06-22 DE DE19782827449 patent/DE2827449A1/de not_active Withdrawn
- 1978-06-23 JP JP7556078A patent/JPS5410870A/ja active Pending
- 1978-06-23 ES ES471096A patent/ES471096A1/es not_active Expired
Also Published As
Publication number | Publication date |
---|---|
IT7868428A0 (it) | 1978-06-19 |
FR2395412B1 (it) | 1981-03-06 |
BR7803970A (pt) | 1979-01-16 |
US4194365A (en) | 1980-03-25 |
JPS5410870A (en) | 1979-01-26 |
GB2000326A (en) | 1979-01-04 |
GB2000326B (en) | 1982-01-20 |
BE868344A (fr) | 1978-12-22 |
ES471096A1 (es) | 1979-01-01 |
DE2827449A1 (de) | 1979-01-11 |
FR2395412A1 (fr) | 1979-01-19 |
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