EP2474745A3 - Energy efficient hydraulic drive for the linear movement of a heavy body - Google Patents

Energy efficient hydraulic drive for the linear movement of a heavy body Download PDF

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Publication number
EP2474745A3
EP2474745A3 EP11193675.3A EP11193675A EP2474745A3 EP 2474745 A3 EP2474745 A3 EP 2474745A3 EP 11193675 A EP11193675 A EP 11193675A EP 2474745 A3 EP2474745 A3 EP 2474745A3
Authority
EP
European Patent Office
Prior art keywords
cylinder
control
mass body
drive
drive cylinder
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.)
Withdrawn
Application number
EP11193675.3A
Other languages
German (de)
French (fr)
Other versions
EP2474745A2 (en
Inventor
Gerd Dr. Scheffel
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Parker Hannifin Manufacturing Germany GmbH and Co KG
Original Assignee
Parker Hannifin Manufacturing Germany GmbH and Co KG
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Parker Hannifin Manufacturing Germany GmbH and Co KG filed Critical Parker Hannifin Manufacturing Germany GmbH and Co KG
Publication of EP2474745A2 publication Critical patent/EP2474745A2/en
Publication of EP2474745A3 publication Critical patent/EP2474745A3/en
Withdrawn legal-status Critical Current

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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
    • F15B21/14—Energy-recuperation means
    • 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
    • F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
    • F15B1/02—Installations or systems with accumulators
    • F15B1/024—Installations or systems with accumulators used as a supplementary power source, e.g. to store energy in idle periods to balance pump load
    • 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
    • F15B11/16—Servomotor systems without provision for follow-up action; Circuits therefor with two or more servomotors
    • F15B11/22—Synchronisation of the movement of two or more servomotors
    • 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
    • F15B2211/21—Systems with pressure sources other than pumps, e.g. with a pyrotechnical charge
    • F15B2211/212—Systems with pressure sources other than pumps, e.g. with a pyrotechnical charge the pressure sources being accumulators
    • 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
    • F15B2211/3056—Assemblies of multiple valves
    • F15B2211/30565—Assemblies of multiple valves having multiple valves for a single output member, e.g. for creating higher valve function by use of multiple valves like two 2/2-valves replacing a 5/3-valve
    • F15B2211/30575—Assemblies of multiple valves having multiple valves for a single output member, e.g. for creating higher valve function by use of multiple valves like two 2/2-valves replacing a 5/3-valve in a Wheatstone Bridge arrangement (also half bridges)
    • 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
    • F15B2211/3056—Assemblies of multiple valves
    • F15B2211/30565—Assemblies of multiple valves having multiple valves for a single output member, e.g. for creating higher valve function by use of multiple valves like two 2/2-valves replacing a 5/3-valve
    • F15B2211/3058—Assemblies of multiple valves having multiple valves for a single output member, e.g. for creating higher valve function by use of multiple valves like two 2/2-valves replacing a 5/3-valve having additional valves for interconnecting the fluid chambers of a double-acting actuator, e.g. for regeneration mode or for floating mode
    • 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
    • F15B2211/3056—Assemblies of multiple valves
    • F15B2211/3059—Assemblies of multiple valves having multiple valves for multiple 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
    • F15B2211/705—Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators
    • F15B2211/7051—Linear output members
    • F15B2211/7053—Double-acting 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
    • F15B2211/705—Output members, e.g. hydraulic motors or cylinders or control therefor characterised by the type of output members or actuators
    • F15B2211/7051—Linear output members
    • F15B2211/7053—Double-acting output members
    • F15B2211/7054—Having equal piston areas
    • 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
    • F15B2211/71—Multiple output members, e.g. multiple hydraulic motors or cylinders
    • F15B2211/7107—Multiple output members, e.g. multiple hydraulic motors or cylinders the output members being mechanically linked
    • 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
    • F15B2211/80—Other types of control related to particular problems or conditions
    • F15B2211/85—Control during special operating conditions
    • F15B2211/851—Control during special operating conditions during starting
    • 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
    • F15B2211/80—Other types of control related to particular problems or conditions
    • F15B2211/85—Control during special operating conditions
    • F15B2211/853—Control during special operating conditions during stopping
    • 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
    • F15B2211/80—Other types of control related to particular problems or conditions
    • F15B2211/88—Control measures for saving energy

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Analytical Chemistry (AREA)
  • Fluid-Pressure Circuits (AREA)

Abstract

Eine hydraulisch angetriebene Anordnung zum linearen Bewegen eines Massekörpers (10), bestehend aus zwei parallel zueinander geschalteten doppelt wirkenden Arbeitszylindern (11, 12), wobei der eine Arbeitszylinder als Steuerzylinder (11) für die Steuerung der eine Beschleunigungsphase, eine Fahrphase und eine Bremsphase aufweisenden Bewegung des Massekörpors (10) eingerichtet ist und der andere Arbeitszylinder als Antriebszylinder (12) an einen hydraulischen Akkumulator (25) als Energiespeicher angeschlossen ist derart, dass der Akkumulator (25) während der Beschleunigungsphase des Massekörpers (10) die Antriebsenergie für den Antriebszylinder (12) liefert und der Antriebszylinder (12) in der Bremsphase des Massekörpers (10) als Pumpe zum Aufladen des hydraulischen Akkumulators (25) dient, ist dadurch gekennzeichnet, dass Steuerzylinder (11) und Antriebszylinder (12) jeweils einen Kolben (17) mit einseitiger an den Massekörper (10) gekoppelter Kolbenstange (18) aufweisen und dass Steuerzylinder (11) und Antriebszylinder (12) jeweils mittels hydraulisch voneinander getrennter, unabhängiger und jeweils ein Steuerventil (13) bzw. eine drei Steuerkanten (26) bzw. vier Steuerkanten (26) aufweisender Steuerkreise gesteuert sind.

Figure imgaf001
A hydraulically driven arrangement for linearly moving a mass body (10) consisting of two double-acting working cylinders (11, 12) connected in parallel, the one working cylinder having as a control cylinder (11) for controlling the acceleration phase, a driving phase and a braking phase Movement of the mass body (10) is arranged and the other working cylinder is connected as a drive cylinder (12) to a hydraulic accumulator (25) as energy storage such that the accumulator (25) during the acceleration phase of the mass body (10) the drive power for the drive cylinder ( 12) and the drive cylinder (12) in the braking phase of the mass body (10) serves as a pump for charging the hydraulic accumulator (25), characterized in that control cylinder (11) and drive cylinder (12) each having a piston (17) one-sided to the mass body (10) coupled to the piston rod (18) and there ss control cylinder (11) and drive cylinder (12) in each case by means of hydraulically separated, independent and each a control valve (13) or a three control edges (26) and four control edges (26) having Direction control circuits are controlled.
Figure imgaf001
EP11193675.3A 2011-01-08 2011-12-15 Energy efficient hydraulic drive for the linear movement of a heavy body Withdrawn EP2474745A3 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE201110008145 DE102011008145B3 (en) 2011-01-08 2011-01-08 Energy-efficient hydraulic drive for the linear movement of a mass body

Publications (2)

Publication Number Publication Date
EP2474745A2 EP2474745A2 (en) 2012-07-11
EP2474745A3 true EP2474745A3 (en) 2014-04-30

Family

ID=45350682

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11193675.3A Withdrawn EP2474745A3 (en) 2011-01-08 2011-12-15 Energy efficient hydraulic drive for the linear movement of a heavy body

Country Status (3)

Country Link
US (1) US9021797B2 (en)
EP (1) EP2474745A3 (en)
DE (1) DE102011008145B3 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5574375B2 (en) * 2010-06-30 2014-08-20 キャタピラー エス エー アール エル Energy regeneration control circuit and work machine
DE102011053230B3 (en) * 2011-09-02 2013-01-31 Parker Hannifin Manufacturing Germany GmbH & Co. KG Hydraulically driven arrangement for linear movement of mass element, has valve assembly with three positions, in which discharge of fluid from accumulator, charging of accumulator and free run of piston in third position are enabled
US10570930B2 (en) 2011-10-10 2020-02-25 Angus Peter Robson Accumulator
EP2766611B1 (en) 2011-10-10 2019-12-04 Angus Peter Robson Apparatus with accumulator
DE102012101120B4 (en) * 2012-02-14 2013-08-22 Parker Hannifin Manufacturing Germany GmbH & Co. KG Hydraulically driven arrangement for linear movement of a mass body
FR3021290B1 (en) * 2014-05-20 2016-05-27 O S C Offshore Systems Concepts SYSTEM FOR DRIVING AND GUIDING A ROTATING JOINT

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1280669C (en) * 1986-06-04 1991-02-26 Ronald Ballantyne Energy recovery system for press
WO1993011363A1 (en) * 1991-12-04 1993-06-10 Hydac Technology Gmbh Energy recovering device
US20030213238A1 (en) * 2002-05-17 2003-11-20 Caterpillar Inc Hydraulic regeneration system
DE102008059436B3 (en) * 2008-11-27 2010-01-07 Parker Hannifin Gmbh & Co. Kg Hydraulic control valve for controlling double acting working cylinder, has annular channel formed in housing, and recess producing connection of contacts, where dimension of recess is twice larger than another recesse
WO2010089518A1 (en) * 2009-02-09 2010-08-12 Manu Lorraine Hydraulic system for a handling or earthmoving machine with an energy accumulator

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE102004032868A1 (en) * 2004-07-07 2006-02-09 Liebherr-Hydraulikbagger Gmbh Excavator and machine for material handling
DE102005017878B3 (en) * 2005-04-19 2006-09-28 Krauss-Maffei Kunststofftechnik Gmbh Hydraulic mold locking unit for injection molding machines and presses, has an upper die platen moved by hydraulic cylinders, one with a double-action piston controlled by a proportional valve in the pump system
US9051944B2 (en) * 2012-06-15 2015-06-09 Caterpillar Inc. Hydraulic system and control logic for collection and recovery of energy in a double actuator arrangement

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1280669C (en) * 1986-06-04 1991-02-26 Ronald Ballantyne Energy recovery system for press
WO1993011363A1 (en) * 1991-12-04 1993-06-10 Hydac Technology Gmbh Energy recovering device
US20030213238A1 (en) * 2002-05-17 2003-11-20 Caterpillar Inc Hydraulic regeneration system
DE102008059436B3 (en) * 2008-11-27 2010-01-07 Parker Hannifin Gmbh & Co. Kg Hydraulic control valve for controlling double acting working cylinder, has annular channel formed in housing, and recess producing connection of contacts, where dimension of recess is twice larger than another recesse
WO2010089518A1 (en) * 2009-02-09 2010-08-12 Manu Lorraine Hydraulic system for a handling or earthmoving machine with an energy accumulator

Also Published As

Publication number Publication date
EP2474745A2 (en) 2012-07-11
US9021797B2 (en) 2015-05-05
US20120192553A1 (en) 2012-08-02
DE102011008145B3 (en) 2012-02-02

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