EP2337949A2 - Anordnung zur hydraulischen exzenterverstellung zum einstellen eines vorbestimmten schluckvolumens bei einem hydrostatischen motor - Google Patents
Anordnung zur hydraulischen exzenterverstellung zum einstellen eines vorbestimmten schluckvolumens bei einem hydrostatischen motorInfo
- Publication number
- EP2337949A2 EP2337949A2 EP09783539A EP09783539A EP2337949A2 EP 2337949 A2 EP2337949 A2 EP 2337949A2 EP 09783539 A EP09783539 A EP 09783539A EP 09783539 A EP09783539 A EP 09783539A EP 2337949 A2 EP2337949 A2 EP 2337949A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- supply line
- arrangement according
- supply
- adjustment
- pressure
- Prior art date
- 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.)
- Granted
Links
- 238000006073 displacement reaction Methods 0.000 title claims abstract description 9
- 230000002706 hydrostatic effect Effects 0.000 title claims description 5
- 238000011144 upstream manufacturing Methods 0.000 claims description 2
- 238000010521 absorption reaction Methods 0.000 description 6
- 230000009747 swallowing Effects 0.000 description 3
- 238000010276 construction Methods 0.000 description 1
- 239000003381 stabilizer Substances 0.000 description 1
- 230000000087 stabilizing effect Effects 0.000 description 1
Classifications
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F03—MACHINES OR ENGINES FOR LIQUIDS; WIND, SPRING, OR WEIGHT MOTORS; PRODUCING MECHANICAL POWER OR A REACTIVE PROPULSIVE THRUST, NOT OTHERWISE PROVIDED FOR
- F03C—POSITIVE-DISPLACEMENT ENGINES DRIVEN BY LIQUIDS
- F03C1/00—Reciprocating-piston liquid engines
- F03C1/02—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders
- F03C1/04—Reciprocating-piston liquid engines with multiple-cylinders, characterised by the number or arrangement of cylinders with cylinders in star or fan arrangement
- F03C1/0447—Controlling
-
- 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
- F15B2211/30505—Non-return valves, i.e. check 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
- F15B2211/30—Directional control
- F15B2211/305—Directional control characterised by the type of valves
- F15B2211/3052—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
- F15B2211/30—Directional control
- F15B2211/31—Directional control characterised by the positions of the valve element
- F15B2211/3138—Directional control characterised by the positions of the valve element the positions being discrete
-
- 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
- F15B2211/31523—Directional control characterised by the connections of the valve or valves in the circuit being connected to a pressure source and an output member
- F15B2211/31529—Directional control characterised by the connections of the valve or valves in the circuit being connected to a pressure source and an output member 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
- F15B2211/327—Directional control characterised by the type of actuation electrically or electronically
-
- 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
-
- 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
- F15B2211/415—Flow control characterised by the connections of the flow control means in the circuit
- F15B2211/41554—Flow control characterised by the connections of the flow control means in the circuit being connected to a return line and a 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
- F15B2211/40—Flow control
- F15B2211/47—Flow control in one direction only
- F15B2211/473—Flow control in one direction only without restriction in the reverse direction
-
- 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
- F15B2211/47—Flow control in one direction only
- F15B2211/476—Flow control in one direction only the flow in the reverse direction being blocked
-
- 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
- F15B2211/77—Control of direction of movement of the output member
- F15B2211/7741—Control of direction of movement of the output member with floating mode, e.g. using a direct connection between both lines of a double-acting cylinder
Definitions
- the present invention relates to an arrangement for hydraulic eccentric adjustment for setting a predetermined absorption volume at
- a Drehbolzen- stabilizing device for a radial piston pump or a radial piston motor is known.
- the stabilizer includes an end plate on the housing that secures the pivot pin block.
- a mechanism for adjusting the position of the pivot pin is provided relative to the housing, wherein the mechanism is arranged on the pivot pin bearing block. With the mechanism, an adjustment of the position of the pivot pin can be performed manually.
- the motors used have an arrangement for adjusting the excursion, with which the absorption volume can be set within predetermined limits.
- the eccentric adjustment takes place on an inwardly supported eccentric element, which can be positioned via an adjusting device in the direction of minimum and maximum eccentricity.
- the adjustment is made via the pressure medium supply of the engine, which via a Komventi! is connected to the adjusting device.
- a Voiumenstrom the pressure medium is set, which corresponds to the desired adjustment.
- solenoid seat valves to control the motor, they are mutually turned on and off. In this case, the pressure medium is locked in the adjustment and only switched on when the actual Schluckvoiumen due to leaks of deviates from the SoH-Schluckvölumen or this is to be adjusted. A continuous adjustment is not possible with the known arrangement.
- G G described continuous and torsion-free adjustment d umenstroms while it is prevented by.
- At least one actuating piston of an Versteiizylinders or the like acting on both sides is provided as an adjusting device whose one pressure chamber for setting a smaller volume or volume flow with a first supply line and the other pressure chamber for setting a higher pressure volume or volume flow with a second supply line are connected, wherein the two supply lines are connected to each other via a connecting line or the like.
- both sides or pressure chambers of the Verstefizyiinders are connected to each other via the connecting line, it can be ensured that sufficient pressure medium, for example oil or the like, is present in both pressure chambers, so that the externally pronounced forces in each Point or at each angle of rotation of the engine can be supported.
- sufficient pressure medium for example oil or the like
- second supply line is assigned at least one throttle element or the like drain side.
- a throttle element for example, a nozzle or the like can be used.
- a check valve or the like in the second supply line or in the return to the Druckraur ⁇ for setting a maximum lur ⁇ e ⁇ s is arranged.
- a biased check valve may be used.
- the e.g. supply end of the Gebsieitung or the first supply line to at least one Wegeventii with two flow directions or the like is connected, which via a Konventi! or the like is connected to the Druckr ⁇ ittelbooks the engine.
- a Konventi! or the like is connected to the Druckr ⁇ ittelbooks the engine.
- Konventi I can, for. a double check valve or the like can be used.
- other actuators are also used.
- the tantaxorous throttling element e.g. a nozzle can be used.
- the nozzle is designed so that a pressure gradient arises, which counteracts the self-adjustment of the eccentric element.
- a next aspect of the present invention may provide that the dynamic adjustment of the eccentricity is further improved by, for example, additionally arranging at least one check valve in series with the throttle element in the connection line.
- the dynamic adjustment of the eccentricity is further improved by, for example, additionally arranging at least one check valve in series with the throttle element in the connection line.
- the arrangement according to the invention comprises an adjusting device comprising at least one actuating piston 19 of an adjusting cylinder 3 that can be acted upon on both sides.
- the eccentricity of an Exzente r comprises or an eccentric ring 2 of the radial piston motor 1 can be adjusted continuously.
- the eccentric element 2 is indicated only schematically in the figure by an arrow.
- the adjusting piston or actuating piston 19 is acted upon via a directional control valve 4 with two flow directions with pressure medium or oil.
- a directional control valve 4 is preferably a 4/2 Wegeventi ' det.
- the directional control valve 4 is connected via a Konventäl 5 with the pressure medium supply 8 of the radial piston motor 1.
- the pressure medium supply 6 is in the usual way with the not darc kolbe ⁇ motors 1 and includes the various pressures pHA and pHB to the drive, the Kirve ⁇ ti! 5 is designed as Doppelschreibschlaqventil
- the Stellkoiben 19 double-sided acted upon with pressure medium.
- the adjusting cylinder 3 has a first pressure chamber 7 for setting a minimum or smaller absorption volume and a second pressure chamber 8 for setting a maximum or higher absorption volume in the radial piston rotor 1. In the figure, this is denoted by qmin and qmax.
- the first pressure chamber 7 is connected via a first supply line 9 and
- the supply line 9 is connected via a connecting line 11 to the supply line 1, the connecting line 11 also being used as a short-circuit introduction
- a nozzle 12 is provided in the connecting line 11.
- an upstream of the nozzle 12 is provided in the connection line 11.
- another biased check valve 14 is provided parallel to a further nozzle 15 in the supply or return to the pressure chamber 8 and in the second supply line 10.
- a drain nozzle 16 serves attenuation in the area of Studentsdeckunc
- Directional valve 4 Di ⁇ 16 is abiauf matter on the second supply line 10 in front of a S 18 arranged.
- Another collection tank 17 is connected to the route event
Landscapes
- Engineering & Computer Science (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Reciprocating Pumps (AREA)
- Hydraulic Motors (AREA)
- Fluid-Pressure Circuits (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE102008042956A DE102008042956A1 (de) | 2008-10-20 | 2008-10-20 | Anordnung zur hydraulischen Exzenterverstellung zum Einstellen eines vorbestimmten Schluckvolumens bei einem hydrostatischen Motor |
| PCT/EP2009/062600 WO2010046209A2 (de) | 2008-10-20 | 2009-09-29 | Anordnung zur hydraulischen exzenterverstellung zum einstellen eines vorbestimmten schluckvolumens bei einem hydrostatischen motor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| EP2337949A2 true EP2337949A2 (de) | 2011-06-29 |
| EP2337949B1 EP2337949B1 (de) | 2014-05-21 |
Family
ID=42034712
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| EP09783539.1A Not-in-force EP2337949B1 (de) | 2008-10-20 | 2009-09-29 | Anordnung zur hydraulischen exzenterverstellung zum einstellen eines vorbestimmten schluckvolumens bei einem hydrostatischen motor |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US8596186B2 (de) |
| EP (1) | EP2337949B1 (de) |
| CN (1) | CN102187089A (de) |
| DE (1) | DE102008042956A1 (de) |
| WO (1) | WO2010046209A2 (de) |
Families Citing this family (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101871477B (zh) * | 2010-06-22 | 2012-08-29 | 上海萨澳液压传动有限公司 | 中压控制二位变量轴向柱塞液压马达 |
| EP2570301B1 (de) * | 2011-09-16 | 2015-11-11 | Cargotec Finland Oy | Hydraulikanordnung und Verfahren zum Herablassen des Kipprahmens eines Hakenlifts |
| CN107524661B (zh) * | 2017-08-25 | 2019-07-23 | 武汉船用机械有限责任公司 | 一种齿轮齿条升降装置的液压系统 |
| CN113446274A (zh) * | 2021-06-25 | 2021-09-28 | 青岛力克川液压机械有限公司 | 一种行走马达变量机构 |
Family Cites Families (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| GB1437943A (en) * | 1972-05-26 | 1976-06-03 | British Twin Disc Ltd | Crankshafts |
| US3771423A (en) | 1972-06-01 | 1973-11-13 | Tobias J | Radial pump or motor with stabilized pintle |
| DE4129667A1 (de) | 1991-09-06 | 1993-03-18 | Hydromatik Gmbh | Hydrostatisches getriebe mit offenem kreislauf und bremsventil |
| DE4234826C1 (de) | 1992-10-15 | 1993-10-28 | Hydromatik Gmbh | Hydrostatisches Getriebe |
| DE19505691C2 (de) | 1995-02-20 | 1998-11-26 | Sauer Sundstrand Gmbh & Co | Hydrostatisches Getriebe mit einem hubvolumenverstellbaren Hydromotor |
| DE10138519A1 (de) | 2001-08-06 | 2003-03-06 | Brueninghaus Hydromatik Gmbh | Hydromotor mit Bremseinrichtung |
| DE10219849B4 (de) * | 2002-05-03 | 2004-03-25 | Brueninghaus Hydromatik Gmbh | Hydromotoreinheit |
| US7243755B2 (en) * | 2004-07-28 | 2007-07-17 | Zf Friedrichshafen Ag | Drive mechanism for a mobile vehicle |
| DE102004044510A1 (de) * | 2004-09-15 | 2006-03-30 | Zf Friedrichshafen Ag | Hydraulisches Getriebe |
-
2008
- 2008-10-20 DE DE102008042956A patent/DE102008042956A1/de not_active Withdrawn
-
2009
- 2009-09-29 US US13/063,771 patent/US8596186B2/en not_active Expired - Fee Related
- 2009-09-29 EP EP09783539.1A patent/EP2337949B1/de not_active Not-in-force
- 2009-09-29 WO PCT/EP2009/062600 patent/WO2010046209A2/de not_active Ceased
- 2009-09-29 CN CN2009801417616A patent/CN102187089A/zh active Pending
Non-Patent Citations (1)
| Title |
|---|
| See references of WO2010046209A2 * |
Also Published As
| Publication number | Publication date |
|---|---|
| US20110185888A1 (en) | 2011-08-04 |
| US8596186B2 (en) | 2013-12-03 |
| CN102187089A (zh) | 2011-09-14 |
| WO2010046209A2 (de) | 2010-04-29 |
| DE102008042956A1 (de) | 2010-04-22 |
| EP2337949B1 (de) | 2014-05-21 |
| WO2010046209A3 (de) | 2010-07-01 |
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