FR1507468A - Dispositif d'équilibrage de charge pour vérin hydraulique - Google Patents

Dispositif d'équilibrage de charge pour vérin hydraulique

Info

Publication number
FR1507468A
FR1507468A FR89940A FR89940A FR1507468A FR 1507468 A FR1507468 A FR 1507468A FR 89940 A FR89940 A FR 89940A FR 89940 A FR89940 A FR 89940A FR 1507468 A FR1507468 A FR 1507468A
Authority
FR
France
Prior art keywords
hydraulic cylinder
load balancing
balancing device
load
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.)
Expired
Application number
FR89940A
Other languages
English (en)
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.)
Caterpillar Inc
Original Assignee
Caterpillar Tractor Co
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 Caterpillar Tractor Co filed Critical Caterpillar Tractor Co
Application granted granted Critical
Publication of FR1507468A publication Critical patent/FR1507468A/fr
Expired legal-status Critical Current

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
    • 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
    • F15B1/00—Installations or systems with accumulators; Supply reservoir or sump assemblies
    • F15B1/02—Installations or systems with accumulators
    • F15B1/025—Installations or systems with accumulators used for thermal compensation, e.g. to collect expanded fluid and to return it to the system as the system fluid cools down
    • 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
    • F15B11/06—Servomotor systems without provision for follow-up action; Circuits therefor involving features specific to the use of a compressible medium, e.g. air, steam
    • F15B11/064—Servomotor systems without provision for follow-up action; Circuits therefor involving features specific to the use of a compressible medium, e.g. air, steam with devices for saving the compressible medium
    • 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
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08—Characterised by the construction of the motor unit
    • F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
    • 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
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/08—Characterised by the construction of the motor unit
    • F15B15/14—Characterised by the construction of the motor unit of the straight-cylinder type
    • F15B15/1423—Component parts; Constructional details
    • F15B15/1466—Hollow piston sliding over a stationary rod inside the cylinder
    • 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
    • F15B2211/30505—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
    • F15B2211/40—Flow control
    • F15B2211/415—Flow control characterised by the connections of the flow control means in the circuit
    • F15B2211/41581—Flow control characterised by the connections of the flow 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
    • F15B2211/40—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
    • F15B2211/40—Flow control
    • F15B2211/45—Control of bleed-off flow, e.g. control of bypass flow to the 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
    • F15B2211/50—Pressure control
    • F15B2211/505—Pressure control characterised by the type of pressure control means
    • F15B2211/50509—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means
    • F15B2211/50518—Pressure control characterised by the type of pressure control means the pressure control means controlling a pressure upstream of the pressure control means using pressure relief 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
    • F15B2211/5158—Pressure control characterised by the connections of the pressure control means in the circuit being connected to a pressure source and 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
    • F15B2211/60—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
    • F15B2211/80—Other types of control related to particular problems or conditions
    • F15B2211/875—Control measures for coping with failures
    • F15B2211/8755—Emergency shut-down
FR89940A 1966-01-11 1967-01-04 Dispositif d'équilibrage de charge pour vérin hydraulique Expired FR1507468A (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US519855A US3353352A (en) 1966-01-11 1966-01-11 Load balancing system for hydraulic jack

Publications (1)

Publication Number Publication Date
FR1507468A true FR1507468A (fr) 1967-12-29

Family

ID=24070089

Family Applications (1)

Application Number Title Priority Date Filing Date
FR89940A Expired FR1507468A (fr) 1966-01-11 1967-01-04 Dispositif d'équilibrage de charge pour vérin hydraulique

Country Status (4)

Country Link
US (1) US3353352A (fr)
DE (1) DE1286278B (fr)
FR (1) FR1507468A (fr)
GB (1) GB1118060A (fr)

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GB1159465A (en) * 1966-07-06 1969-07-23 Hugo Cordes Control for a Ramming Hammer with Hydraulic Drive
US3548573A (en) * 1968-04-17 1970-12-22 Cessna Aircraft Co Cylinder with integral accumulator
US3680400A (en) * 1969-05-14 1972-08-01 Mesta Machine Co Force-multiplying mechanisms
US3622124A (en) * 1970-05-18 1971-11-23 Kenneth R Sidles Hydraulic lift jack
FR2208571A6 (fr) * 1972-11-29 1974-06-21 Inst Francais Du Petrole
FR2256822B1 (fr) * 1974-01-04 1977-06-10 Patent & Inventions Ltd
DE2741497C2 (de) * 1977-09-15 1981-09-17 Jungheinrich Unternehmensverwaltung Kg, 2000 Hamburg Hydraulikanlage für den Hubantrieb eines Hubladers
US4409884A (en) * 1981-03-25 1983-10-18 Mcdonnell Douglas Corporation Synchronization cylinder
GB8503501D0 (en) * 1985-02-12 1985-03-13 Thomsen Sales & Service Ltd A Reciprocatory pumps
DE3608338A1 (de) * 1986-03-13 1987-09-17 Fuchs Systemtechnik Gmbh Hydraulischer stellantrieb fuer einen elektrodentragarm eines lichtbogenofens
CA1299207C (fr) * 1987-01-08 1992-04-21 Charles B. Steger Actionneur hydraulique double action pour suspension active
SE461391B (sv) * 1987-10-28 1990-02-12 Bt Ind Ab Hydraulisk lyftanordning
US4828229A (en) * 1987-11-16 1989-05-09 General Motors Corporation Hydraulic actuator for active ride suspension
US4955282A (en) * 1989-03-27 1990-09-11 Ranson Ronald W Uniform flow hydraulic system
US5099749A (en) * 1990-04-19 1992-03-31 Darish Joseph J Compound motion fluid actuating device and method
US5172625A (en) * 1991-11-04 1992-12-22 Latham Robert P Hydraulic cylinder with lateral support
JPH05340407A (ja) * 1992-06-04 1993-12-21 Etsuo Ando 流体シリンダ
US5191825A (en) * 1992-06-12 1993-03-09 Doben Limited Low-impact air cylinder
FR2753751B1 (fr) * 1996-09-23 1999-01-08 Dispositif de verin hydraulique simple effet
US7448310B2 (en) * 2004-03-11 2008-11-11 Atkisek Corporation Innerscoping hydraulic system
NL1029161C2 (nl) * 2005-06-01 2006-12-04 Actuant Corp Aandrijfcilinder met geïntegreerde gasveerwerking.
US20070068754A1 (en) * 2005-09-26 2007-03-29 Furgala George W Gas-biased hydraulic cylinder
DE102007061294A1 (de) 2007-12-10 2009-06-18 Thomas Sauer Hydraulikzylinder mit drei Hubkammern und Energiespeicher
DE102011106260A1 (de) * 2011-05-18 2012-11-22 Liebherr-Hydraulikbagger Gmbh Arbeitsgerät, insbesondere Bagger oder Maschine zum Materialumschlag
GB2498190A (en) * 2012-01-04 2013-07-10 Nat Oilwell Varco Lp Apparatus and method for positioning and connecting equipment on a drilling rig
US9435359B2 (en) * 2012-02-13 2016-09-06 Schlumberger Technology Corporation Adaptive hydraulic cylinder with floating seal interface
JP6085163B2 (ja) * 2012-12-13 2017-02-22 株式会社昭和 古紙圧縮梱包機における省エネ油圧シリンダ装置
DE102013013690A1 (de) * 2013-08-16 2015-02-19 Hydac Technology Gmbh System zur automatischen Anpassung einer vorgebbaren Gaseintragsmenge und Betätigungseinrichtung mit einem solchen System
CN104154070A (zh) * 2014-08-22 2014-11-19 实用动力(中国)工业有限公司 双作用螺母锁紧液压油缸
US9494168B2 (en) * 2014-08-26 2016-11-15 Ut-Battelle, Llc Energy efficient fluid powered linear actuator with variable area and concentric chambers
US9964124B2 (en) * 2015-09-02 2018-05-08 Deere & Company Piston accumulator with integrated cylinder rod
CN116624442A (zh) * 2023-07-24 2023-08-22 南京理工大学 带有重力矩补偿的电动推杆摇臂支撑系统

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US2351398A (en) * 1941-12-29 1944-06-13 Darrell Marsden Dowding Hydrovacuumatic balance
US2664859A (en) * 1950-09-11 1954-01-05 Timken Roller Bearing Co Hydraulically controlled fluid driven reciprocating actuator
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US2833556A (en) * 1957-01-30 1958-05-06 Athey Products Corp Weight transfer system and apparatus for tractor-trailers
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US3186305A (en) * 1963-07-02 1965-06-01 Ex Cell O Corp Hydraulic actuator mechanism

Also Published As

Publication number Publication date
DE1286278B (de) 1969-01-02
US3353352A (en) 1967-11-21
GB1118060A (en) 1968-06-26

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