JPH086722B1 - - Google Patents
Info
- Publication number
- JPH086722B1 JPH086722B1 JP5519690A JP51969093A JPH086722B1 JP H086722 B1 JPH086722 B1 JP H086722B1 JP 5519690 A JP5519690 A JP 5519690A JP 51969093 A JP51969093 A JP 51969093A JP H086722 B1 JPH086722 B1 JP H086722B1
- Authority
- JP
- Japan
- 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.)
- Pending
Links
Classifications
-
- 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
- E02F9/08—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
-
- 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
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
- F15B11/028—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the actuating force
-
- 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
- F15B11/00—Servomotor systems without provision for follow-up action; Circuits therefor
- F15B11/02—Systems essentially incorporating special features for controlling the speed or actuating force of an output member
- F15B11/04—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed
- F15B11/044—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed by means in the return line, i.e. "meter out"
- F15B11/0445—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the speed by means in the return line, i.e. "meter out" with counterbalance valves, e.g. to prevent overrunning or for braking
-
- 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
- F15B13/00—Details of servomotor systems ; Valves for servomotor systems
- F15B13/02—Fluid distribution or supply devices characterised by their adaptation to the control of servomotors
-
- 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
-
- 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
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/20—Fluid pressure source, e.g. accumulator or variable axial piston pump
- F15B2211/205—Systems with pumps
- F15B2211/2053—Type of pump
- F15B2211/20538—Type of pump constant capacity
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/30—Directional control
- F15B2211/305—Directional control characterised by the type of valves
- F15B2211/30525—Directional control valves, e.g. 4/3-directional control valve
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/30—Directional control
- F15B2211/315—Directional control characterised by the connections of the valve or valves in the circuit
- F15B2211/3157—Directional control characterised by the connections of the valve or valves in the circuit being connected to a pressure source, an output member and a return line
- F15B2211/31576—Directional control characterised by the connections of the valve or valves in the circuit being connected to a pressure source, an output member and a return line having a single pressure source and a single output member
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/30—Directional control
- F15B2211/32—Directional control characterised by the type of actuation
- F15B2211/321—Directional control characterised by the type of actuation mechanically
- F15B2211/324—Directional control characterised by the type of actuation mechanically manually, e.g. by using a lever or pedal
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/40—Flow control
- F15B2211/405—Flow control characterised by the type of flow control means or valve
- F15B2211/40515—Flow control characterised by the type of flow control means or valve with variable throttles or orifices
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/40—Flow control
- F15B2211/415—Flow control characterised by the connections of the flow control means in the circuit
- F15B2211/41527—Flow control characterised by the connections of the flow control means in the circuit being connected to an output member and a directional control valve
- F15B2211/41536—Flow control characterised by the connections of the flow control means in the circuit being connected to an output member and a directional control valve being connected to multiple ports of an output member
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/40—Flow control
- F15B2211/42—Flow control characterised by the type of actuation
- F15B2211/428—Flow control characterised by the type of actuation actuated by fluid pressure
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/50—Pressure control
- F15B2211/505—Pressure control characterised by the type of pressure control means
- F15B2211/50563—Pressure control characterised by the type of pressure control means the pressure control means controlling a differential pressure
- F15B2211/50581—Pressure control characterised by the type of pressure control means the pressure control means controlling a differential pressure using counterbalance valves
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/50—Pressure control
- F15B2211/515—Pressure control characterised by the connections of the pressure control means in the circuit
- F15B2211/5159—Pressure control characterised by the connections of the pressure control means in the circuit being connected to an output member and a return line
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/60—Circuit components or control therefor
- F15B2211/605—Load sensing circuits
- F15B2211/6051—Load sensing circuits having valve means between output member and the load sensing circuit
- F15B2211/6054—Load sensing circuits having valve means between output member and the load sensing circuit using shuttle valves
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
- F15B2211/705—Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators
- F15B2211/7058—Rotary output members
-
- 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
- F15B2211/00—Circuits for servomotor systems
- F15B2211/70—Output members, e.g. hydraulic motors or cylinders or control therefor
- F15B2211/715—Output members, e.g. hydraulic motors or cylinders or control therefor having braking means
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP5519690A JPH086722B1 (ja) | 1992-07-14 | 1993-07-14 |
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP20964292 | 1992-07-14 | ||
| JP20964192 | 1992-07-14 | ||
| JP5519690A JPH086722B1 (ja) | 1992-07-14 | 1993-07-14 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH086722B1 true JPH086722B1 (ja) | 1996-01-29 |
Family
ID=26517575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP5519690A Pending JPH086722B1 (ja) | 1992-07-14 | 1993-07-14 |
Country Status (6)
| Country | Link |
|---|---|
| US (1) | US5419132A (ja) |
| EP (1) | EP0603421B1 (ja) |
| JP (1) | JPH086722B1 (ja) |
| KR (1) | KR960016822B1 (ja) |
| DE (1) | DE69326987T2 (ja) |
| WO (1) | WO1994001682A1 (ja) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002147403A (ja) * | 2000-09-14 | 2002-05-22 | Case Corp | 重量物運搬装置における振動を抑制するために均圧化を制御する油圧システム及び方法 |
Families Citing this family (18)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR960023541A (ko) * | 1994-12-08 | 1996-07-20 | 안자키 사토루 | 유압 액츄에이터의 반전방지장치 |
| DE19612873A1 (de) * | 1996-03-30 | 1997-10-02 | Zahnradfabrik Friedrichshafen | Hydrostatisch-mechanisches Getriebe zum Antrieb einer Mischtrommel |
| US5709083A (en) * | 1996-08-15 | 1998-01-20 | Caterpillar Inc. | Hydraulic swing motor deceleration control |
| JPH10220405A (ja) * | 1997-02-07 | 1998-08-21 | Teijin Seiki Co Ltd | リリーフ機構およびリリーフ機構付き流体回路 |
| DE19833489A1 (de) | 1998-07-24 | 2000-01-27 | Mannesmann Rexroth Ag | Hydraulische Schaltung |
| JP3884178B2 (ja) * | 1998-11-27 | 2007-02-21 | 日立建機株式会社 | 旋回制御装置 |
| US6260357B1 (en) | 1998-11-30 | 2001-07-17 | Caterpillar Inc. | Quick coupler control system |
| JP2003106305A (ja) * | 2001-09-28 | 2003-04-09 | Kobelco Contstruction Machinery Ltd | 旋回制御回路 |
| FR2860560B1 (fr) * | 2003-10-03 | 2008-02-22 | Poclain Hydraulics Ind | Circuit hydraulique ouvert comprenant un dispositif de valve de delestage |
| DE10355329A1 (de) | 2003-11-27 | 2005-06-23 | Bosch Rexroth Ag | Hydraulische Steueranordnung |
| EP2014926A1 (en) | 2006-04-27 | 2009-01-14 | Hitachi Construction Machinery Co., Ltd. | Inertia body drive device |
| JP4771926B2 (ja) * | 2006-12-01 | 2011-09-14 | 住友建機株式会社 | 建設機械のキャビテーション防止回路 |
| DE102012101231A1 (de) * | 2012-02-16 | 2013-08-22 | Linde Material Handling Gmbh | Hydrostatisches Antriebssystem |
| CN102865262B (zh) * | 2012-09-07 | 2015-10-28 | 三一重工股份有限公司 | 回转液压系统及工程机械 |
| CN104963376B (zh) * | 2015-07-10 | 2017-11-14 | 长安大学 | 一种挖掘机回转机构的防反转控制方法 |
| DE102016215214A1 (de) | 2016-08-16 | 2018-02-22 | Zf Friedrichshafen Ag | Getriebevorrichtung mit mehreren über hydraulisch betätigbare Kolben-Zylinder-Einrichtungen verstellbare Schaltstangen ein- und auslegbaren Übersetzungen |
| CN107061389B (zh) * | 2017-04-11 | 2018-12-14 | 长沙学院 | 工程机械回转制动的防摆控制系统及方法 |
| CN107061390B (zh) * | 2017-04-12 | 2018-12-14 | 长沙学院 | 一种工程机械回转制动过程中的防摆控制系统及方法 |
Family Cites Families (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SU714060A1 (ru) * | 1977-08-03 | 1980-02-05 | Предприятие П/Я В-8670 | Объемный гидропривод |
| DE2910611A1 (de) * | 1979-03-17 | 1980-09-18 | Bosch Gmbh Robert | Hydraulikanlage |
| JPS571803A (en) * | 1980-05-30 | 1982-01-07 | Kawasaki Heavy Ind Ltd | Preventing apparatus for backing of inertial body in hydraulic control circuit with inertial body |
| JPS5725570A (en) * | 1980-07-21 | 1982-02-10 | Kawasaki Heavy Ind Ltd | Prevention valve against sway back of inertia body |
| JPS57134064A (en) * | 1981-02-13 | 1982-08-19 | Hitachi Constr Mach Co Ltd | Controller for hydraulic system |
| JPS5891902A (ja) * | 1981-11-27 | 1983-06-01 | Nippon Air Brake Co Ltd | 揺れ戻り防止弁 |
| JPS6041602U (ja) * | 1983-08-31 | 1985-03-23 | 株式会社小松製作所 | ブレ−キ弁装置 |
| IT1187892B (it) * | 1986-02-04 | 1987-12-23 | Chs Vickers Spa | Circuito idraulico di comando per organi di lavoro di macchine movimento terra con frenatura centralizzata degli attuatori |
| US4694647A (en) * | 1986-03-28 | 1987-09-22 | Kabushiki Kaisha Komatsu Seisakusho | Hydraulic circuit system for use in hydraulically operated vehicles |
| JPS63149471A (ja) * | 1986-12-12 | 1988-06-22 | Honda Motor Co Ltd | 油圧式動力伝達装置 |
| US5285643A (en) * | 1990-04-02 | 1994-02-15 | Hitachi Construction Machinery Co., Ltd. | Hydraulic drive system for civil-engineering and construction machine |
| JPH03290532A (ja) * | 1990-04-09 | 1991-12-20 | Hitachi Constr Mach Co Ltd | 土木・建設機械の油圧駆動装置 |
-
1993
- 1993-07-14 KR KR1019940700383A patent/KR960016822B1/ko not_active IP Right Cessation
- 1993-07-14 DE DE69326987T patent/DE69326987T2/de not_active Expired - Fee Related
- 1993-07-14 JP JP5519690A patent/JPH086722B1/ja active Pending
- 1993-07-14 WO PCT/JP1993/000977 patent/WO1994001682A1/ja active IP Right Grant
- 1993-07-14 EP EP93916164A patent/EP0603421B1/en not_active Expired - Lifetime
- 1993-07-14 US US08/190,197 patent/US5419132A/en not_active Expired - Fee Related
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2002147403A (ja) * | 2000-09-14 | 2002-05-22 | Case Corp | 重量物運搬装置における振動を抑制するために均圧化を制御する油圧システム及び方法 |
Also Published As
| Publication number | Publication date |
|---|---|
| KR960016822B1 (ko) | 1996-12-21 |
| EP0603421A4 (ja) | 1994-08-31 |
| EP0603421B1 (en) | 1999-11-10 |
| DE69326987D1 (de) | 1999-12-16 |
| US5419132A (en) | 1995-05-30 |
| WO1994001682A1 (en) | 1994-01-20 |
| DE69326987T2 (de) | 2000-02-24 |
| EP0603421A1 (en) | 1994-06-29 |