EP2420681A3 - Hydraulic linear drive device - Google Patents

Hydraulic linear drive device Download PDF

Info

Publication number
EP2420681A3
EP2420681A3 EP11006709.7A EP11006709A EP2420681A3 EP 2420681 A3 EP2420681 A3 EP 2420681A3 EP 11006709 A EP11006709 A EP 11006709A EP 2420681 A3 EP2420681 A3 EP 2420681A3
Authority
EP
European Patent Office
Prior art keywords
linear drive
drive device
hydraulic linear
hydraulic cylinder
hydraulic
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
Application number
EP11006709.7A
Other languages
German (de)
French (fr)
Other versions
EP2420681A2 (en
EP2420681B1 (en
Inventor
Bastian Beckmann
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.)
Robert Bosch GmbH
Original Assignee
Robert Bosch GmbH
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 Robert Bosch GmbH filed Critical Robert Bosch GmbH
Publication of EP2420681A2 publication Critical patent/EP2420681A2/en
Publication of EP2420681A3 publication Critical patent/EP2420681A3/en
Application granted granted Critical
Publication of EP2420681B1 publication Critical patent/EP2420681B1/en
Active legal-status Critical Current
Anticipated expiration legal-status Critical

Links

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
    • 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
    • F15B11/036—Systems essentially incorporating special features for controlling the speed or actuating force of an output member for controlling the actuating force by means of servomotors having a plurality of working chambers
    • 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
    • F15B11/024—Systems essentially incorporating special features for controlling the speed or actuating force of an output member by means of differential connection of the servomotor lines, e.g. regenerative circuits
    • 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
    • F15B2211/20507—Type of prime mover
    • F15B2211/20515—Electric motor
    • 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
    • F15B2211/20561—Type of pump reversible
    • 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
    • F15B2211/27—Directional control by means of the pressure source
    • 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
    • F15B2211/3056—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
    • F15B2211/60—Circuit components or control therefor
    • F15B2211/625—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
    • F15B2211/70—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
    • F15B2211/7055—Linear output members having more than two chambers
    • 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
    • F15B2211/785—Compensation of the difference in flow rate in closed fluid circuits using differential actuators

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Supply Devices, Intensifiers, Converters, And Telemotors (AREA)
  • Actuator (AREA)

Abstract

Offenbart ist ein hydraulischer Linearantrieb mit einem mit drei Druckräumen (4,6,8) ausgeführten Hydraulikzylinder (2), dessen Wirkflächen (A1,A2,A3) so aufeinander abgestimmt sind, dass in einem Eilgang und in einem Krafthub ein Antrieb einer den Hydraulikzylinder mit Druckmittel versorgenden Hydromaschine (10) in etwa im gleichen Drehzahl/Drehmomentbereich arbeitet.

Figure imgaf001
Disclosed is a hydraulic linear drive with a three pressure chambers (4,6,8) running hydraulic cylinder (2) whose active surfaces (A 1 , A 2 , A 3 ) are coordinated so that in a rapid traverse and in a power stroke a drive a hydromachine (10) supplying the hydraulic cylinder with pressure medium operates in approximately the same speed / torque range.
Figure imgaf001
EP11006709.7A 2010-08-18 2011-08-17 Hydraulic linear drive device Active EP2420681B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102010034610A DE102010034610A1 (en) 2010-08-18 2010-08-18 Hydraulic linear drive

Publications (3)

Publication Number Publication Date
EP2420681A2 EP2420681A2 (en) 2012-02-22
EP2420681A3 true EP2420681A3 (en) 2014-09-24
EP2420681B1 EP2420681B1 (en) 2020-01-08

Family

ID=44650824

Family Applications (1)

Application Number Title Priority Date Filing Date
EP11006709.7A Active EP2420681B1 (en) 2010-08-18 2011-08-17 Hydraulic linear drive device

Country Status (2)

Country Link
EP (1) EP2420681B1 (en)
DE (1) DE102010034610A1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106286437A (en) * 2015-06-25 2017-01-04 罗伯特·博世有限公司 Hydraulic system and the method for operation hydraulic system with hydraulic cylinder

Families Citing this family (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP6479306B2 (en) * 2013-08-05 2019-03-06 住友重機械工業株式会社 Excavator
JP6385654B2 (en) * 2013-08-05 2018-09-05 住友重機械工業株式会社 Excavator
EP3032112B1 (en) * 2013-08-05 2017-11-22 Sumitomo Heavy Industries, Ltd. Shovel
WO2016008151A1 (en) * 2014-07-18 2016-01-21 Norgren, Inc. Stretch blow molding cylinder and related method
DE102016214767A1 (en) 2016-02-16 2017-08-17 Sms Group Gmbh Synchronous cylinder for extrusion presses
CN107243774B (en) * 2017-05-19 2019-11-08 深圳市睿格晟设备有限公司 A kind of improvement filing sucking machine
DE102018203367A1 (en) 2018-03-07 2019-09-12 Robert Bosch Gmbh Hydrostatic linear drive
DE102019105449A1 (en) * 2019-03-04 2020-09-10 Wacker Neuson Linz Gmbh Linear drive with closed hydraulic circuit

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8105929A (en) * 1981-12-31 1983-07-18 Hydraudyne Bv Hydraulic piston-cylinder unit - has main cylinder contg. hollow main piston acting as cylinder for fixed second piston
US5522212A (en) * 1994-12-21 1996-06-04 Kubik; Philip A. Rod equal displacement cylinder in a rapid transfer and feed system
DE102004027849A1 (en) * 2004-06-08 2006-01-05 Bosch Rexroth Aktiengesellschaft drive unit
DE102008039011A1 (en) * 2008-08-21 2010-02-25 MAE Maschinen- und Apparatebau Götzen GmbH & Co. KG Accumulator-free hydraulic drive assembly and method for accumulatorless hydraulic driving a consumer

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
NL8105929A (en) * 1981-12-31 1983-07-18 Hydraudyne Bv Hydraulic piston-cylinder unit - has main cylinder contg. hollow main piston acting as cylinder for fixed second piston
US5522212A (en) * 1994-12-21 1996-06-04 Kubik; Philip A. Rod equal displacement cylinder in a rapid transfer and feed system
DE102004027849A1 (en) * 2004-06-08 2006-01-05 Bosch Rexroth Aktiengesellschaft drive unit
DE102008039011A1 (en) * 2008-08-21 2010-02-25 MAE Maschinen- und Apparatebau Götzen GmbH & Co. KG Accumulator-free hydraulic drive assembly and method for accumulatorless hydraulic driving a consumer

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106286437A (en) * 2015-06-25 2017-01-04 罗伯特·博世有限公司 Hydraulic system and the method for operation hydraulic system with hydraulic cylinder

Also Published As

Publication number Publication date
EP2420681A2 (en) 2012-02-22
DE102010034610A1 (en) 2012-02-23
EP2420681B1 (en) 2020-01-08

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