EP1832756A3 - Dual-effect hydraulic actuator handling system for gate moving - Google Patents

Dual-effect hydraulic actuator handling system for gate moving Download PDF

Info

Publication number
EP1832756A3
EP1832756A3 EP07004321A EP07004321A EP1832756A3 EP 1832756 A3 EP1832756 A3 EP 1832756A3 EP 07004321 A EP07004321 A EP 07004321A EP 07004321 A EP07004321 A EP 07004321A EP 1832756 A3 EP1832756 A3 EP 1832756A3
Authority
EP
European Patent Office
Prior art keywords
oil
actuator
stem
tank
chamber
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
EP07004321A
Other languages
German (de)
French (fr)
Other versions
EP1832756B1 (en
EP1832756A2 (en
Inventor
Luigi Pasquali
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.)
FAAC SpA
Original Assignee
FAAC SpA
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 FAAC SpA filed Critical FAAC SpA
Priority to PL07004321T priority Critical patent/PL1832756T3/en
Publication of EP1832756A2 publication Critical patent/EP1832756A2/en
Publication of EP1832756A3 publication Critical patent/EP1832756A3/en
Application granted granted Critical
Publication of EP1832756B1 publication Critical patent/EP1832756B1/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
    • F15B7/00—Systems in which the movement produced is definitely related to the output of a volumetric pump; Telemotors
    • F15B7/005—With rotary or crank input
    • F15B7/006—Rotary pump input
    • 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
    • F15B7/00—Systems in which the movement produced is definitely related to the output of a volumetric pump; Telemotors
    • F15B7/06—Details
    • F15B7/10—Compensation of the liquid content in a system
    • 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
    • F15B2211/30—Directional control
    • F15B2211/305—Directional control characterised by the type of valves
    • F15B2211/30505—Non-return valves, i.e. check valves
    • F15B2211/3051—Cross-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
    • F15B2211/60—Circuit components or control therefor
    • F15B2211/61—Secondary circuits
    • F15B2211/613—Feeding 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
    • F15B2211/70—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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Jib Cranes (AREA)

Abstract

A system for handling gates and the like including a dual-effect hydraulic actuator (11) with a stem traversing one (11b) of its chambers and a supply circuit (14) controlled with oil which alternately moves the oil between the actuator chambers (11a, 11b) for an 'opening' or 'closing' movement. The circuit includes a pump (13) for transfer of the oil between the chambers through piloted locking one-way valves (19, 20), an oil tank (12) and two one-way suction valves (15, 16) each connected between the tank (12) and one of the two sides of the pump (13) for allowing suction from the tank of the lacking oil. The suction valve (15) connected from the side of the pump opposite the actuator chamber (11a) not traversed by the stem is a one-way valve controlled in such a manner as to open thanks to an overpressure on the hydraulic circuit branch which is for supply of the actuator chamber (11b) traversed by the stem. In this manner the oil in excess during movement of the actuator which is caused by transfer of the oil from the stemless chamber (11a) to the chamber (11b) with stem is dumped into the tank (12).
EP07004321A 2006-03-10 2007-03-02 Dual-effect hydraulic actuator handling system for gate moving Active EP1832756B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL07004321T PL1832756T3 (en) 2006-03-10 2007-03-02 Dual-effect hydraulic actuator handling system for gate moving

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT000426A ITMI20060426A1 (en) 2006-03-10 2006-03-10 HANDLING SYSTEM WITH HYDRAULIC DOUBLE ACTING ACTUATOR FOR GATE HANDLING

Publications (3)

Publication Number Publication Date
EP1832756A2 EP1832756A2 (en) 2007-09-12
EP1832756A3 true EP1832756A3 (en) 2009-12-30
EP1832756B1 EP1832756B1 (en) 2011-06-01

Family

ID=38093591

Family Applications (1)

Application Number Title Priority Date Filing Date
EP07004321A Active EP1832756B1 (en) 2006-03-10 2007-03-02 Dual-effect hydraulic actuator handling system for gate moving

Country Status (9)

Country Link
US (1) US20070209502A1 (en)
EP (1) EP1832756B1 (en)
CN (1) CN101033671B (en)
AT (1) ATE511608T1 (en)
DK (1) DK1832756T3 (en)
ES (1) ES2367373T3 (en)
IT (1) ITMI20060426A1 (en)
PL (1) PL1832756T3 (en)
PT (1) PT1832756E (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
ITVI20080233A1 (en) * 2008-10-08 2010-04-09 Bft S P A HYDRAULIC DRIVE SYSTEM FOR HANDLING MOTORIZED AND SIMILAR GATES
DE102011005337A1 (en) * 2011-03-10 2012-09-13 Zf Friedrichshafen Ag Drive arrangement for carrying out working movements in working machines
JP6093535B2 (en) 2012-10-10 2017-03-08 Ｋｙｂ株式会社 Cylinder drive
DE102014219244A1 (en) * 2014-09-24 2016-03-24 Robert Bosch Gmbh Hydraulic circuit for supplying a consumer with differential character
DE102016215311A1 (en) * 2016-08-17 2018-02-22 Voith Patent Gmbh Hydraulic drive

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4343153A (en) * 1980-03-21 1982-08-10 Eltra Corporation Anti-supercharge pressure valve
EP0893605A1 (en) * 1997-07-23 1999-01-27 HOERBIGER GmbH Hydraulic drive system

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3747351A (en) * 1971-10-22 1973-07-24 Bertea Corp Hydraulic system
US4410056A (en) * 1981-05-27 1983-10-18 Paccar Inc. Hydraulic cab tilting system having full locking with controlled free-fall
FR2755481B1 (en) * 1996-11-07 1998-12-24 Lohr Ind DEVICE FOR HOLDING IN POSITION AND UNDER LOAD OF A HYDRAULIC CYLINDER
DE10261225B4 (en) * 2002-12-20 2006-11-16 Dorma Gmbh + Co. Kg Electrohydraulic servo door drive for driving a door, a window or the like
SE532772C2 (en) * 2008-08-14 2010-04-06 Haldex Traction Ab Hydraulic actuator controlling one or more slip couplings of a distribution system
KR20110076073A (en) * 2009-12-29 2011-07-06 볼보 컨스트럭션 이큅먼트 에이비 Hydraulic system of negative control type

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4343153A (en) * 1980-03-21 1982-08-10 Eltra Corporation Anti-supercharge pressure valve
EP0893605A1 (en) * 1997-07-23 1999-01-27 HOERBIGER GmbH Hydraulic drive system

Also Published As

Publication number Publication date
ES2367373T3 (en) 2011-11-02
EP1832756B1 (en) 2011-06-01
EP1832756A2 (en) 2007-09-12
PT1832756E (en) 2011-09-01
PL1832756T3 (en) 2011-11-30
CN101033671B (en) 2012-06-27
US20070209502A1 (en) 2007-09-13
ITMI20060426A1 (en) 2007-09-11
DK1832756T3 (en) 2011-09-19
CN101033671A (en) 2007-09-12
ATE511608T1 (en) 2011-06-15

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