GB1326039A - Hydraulic jack - Google Patents

Hydraulic jack

Info

Publication number
GB1326039A
GB1326039A GB4886970A GB4886970A GB1326039A GB 1326039 A GB1326039 A GB 1326039A GB 4886970 A GB4886970 A GB 4886970A GB 4886970 A GB4886970 A GB 4886970A GB 1326039 A GB1326039 A GB 1326039A
Authority
GB
United Kingdom
Prior art keywords
valve
jack
open
conduit
valves
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
GB4886970A
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.)
Matairco SA
Original Assignee
Matairco SA
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
Priority claimed from FR6935304A external-priority patent/FR2024709A5/fr
Application filed by Matairco SA filed Critical Matairco SA
Publication of GB1326039A publication Critical patent/GB1326039A/en
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
    • F15B15/00—Fluid-actuated devices for displacing a member from one position to another; Gearing associated therewith
    • F15B15/18—Combined units comprising both motor and pump
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B62—LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
    • B62D—MOTOR VEHICLES; TRAILERS
    • B62D33/00—Superstructures for load-carrying vehicles
    • B62D33/06—Drivers' cabs
    • B62D33/063—Drivers' cabs movable from one position into at least one other position, e.g. tiltable, pivotable about a vertical axis, displaceable from one side of the vehicle to the other
    • B62D33/067—Drivers' cabs movable from one position into at least one other position, e.g. tiltable, pivotable about a vertical axis, displaceable from one side of the vehicle to the other tiltable
    • B62D33/07—Drivers' cabs movable from one position into at least one other position, e.g. tiltable, pivotable about a vertical axis, displaceable from one side of the vehicle to the other tiltable characterised by the device for locking the cab in the tilted or in the driving position
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66F—HOISTING, LIFTING, HAULING OR PUSHING, NOT OTHERWISE PROVIDED FOR, e.g. DEVICES WHICH APPLY A LIFTING OR PUSHING FORCE DIRECTLY TO THE SURFACE OF A LOAD
    • B66F3/00—Devices, e.g. jacks, adapted for uninterrupted lifting of loads
    • B66F3/24—Devices, e.g. jacks, adapted for uninterrupted lifting of loads fluid-pressure operated
    • B66F3/25—Constructional features
    • B66F3/42—Constructional features with self-contained pumps, e.g. actuated by hand
    • 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
    • F15B11/08—Servomotor systems without provision for follow-up action; Circuits therefor with only one servomotor
    • 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
    • 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
    • F15B2211/30515—Load holding 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
    • F15B2211/30525—Directional control valves, e.g. 4/3-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
    • F15B2211/30—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
    • F15B2211/32—Directional control characterised by the type of actuation
    • F15B2211/321—Directional control characterised by the type of actuation mechanically
    • F15B2211/324—Directional control characterised by the type of actuation mechanically manually, e.g. by using a lever or pedal
    • 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
    • F15B2211/329—Directional 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
    • F15B2211/70—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
    • F15B2211/7052—Single-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
    • F15B2211/80—Other types of control related to particular problems or conditions
    • F15B2211/86—Control during or prevention of abnormal conditions
    • F15B2211/863—Control during or prevention of abnormal conditions the abnormal condition being a hydraulic or pneumatic failure
    • F15B2211/8636—Circuit failure, e.g. valve or hose failure

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • General Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Structural Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Transportation (AREA)
  • Actuator (AREA)
GB4886970A 1969-10-15 1970-10-14 Hydraulic jack Expired GB1326039A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR6935304A FR2024709A5 (enrdf_load_stackoverflow) 1969-10-15 1969-10-15
FR7036680A FR2068323A6 (enrdf_load_stackoverflow) 1969-10-15 1970-10-09

Publications (1)

Publication Number Publication Date
GB1326039A true GB1326039A (en) 1973-08-08

Family

ID=26215315

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4886970A Expired GB1326039A (en) 1969-10-15 1970-10-14 Hydraulic jack

Country Status (6)

Country Link
JP (1) JPS5039902B1 (enrdf_load_stackoverflow)
DE (1) DE2050761C2 (enrdf_load_stackoverflow)
FR (1) FR2068323A6 (enrdf_load_stackoverflow)
GB (1) GB1326039A (enrdf_load_stackoverflow)
NL (1) NL7015103A (enrdf_load_stackoverflow)
SE (1) SE365290B (enrdf_load_stackoverflow)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1098123A1 (en) * 1999-11-08 2001-05-09 Meccanica Fadini s.n.c. di Fadini Luigi, Gaetano e Carlo Hydraulic actuator

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2641216C2 (de) * 1976-09-14 1982-09-02 Montan - Hydraulik GmbH & Co KG, 4755 Holzwickede Mehrstufiger hydraulischer Teleskopzylinder
NL8102539A (nl) * 1980-07-02 1982-02-01 Weber Oelhydraulik Hydraulische kantelinrichting voor het kantelen van de bestuurderscabine van vrachtvoertuigen.
DE102012111021B4 (de) 2012-11-15 2014-08-21 Eto Magnetic Gmbh Ventilvorrichtung und Verwendung einer solchen
DE102018133430A1 (de) * 2018-12-21 2020-06-25 Man Truck & Bus Se Multifunktions-Wagenheber

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE644545C (de) * 1934-10-09 1937-05-07 George Herbert Dowty Verriegelungsschloss fuer hydraulische Drucksysteme mit umkehrbarer Stroemungsrichtung
GB603795A (en) * 1945-09-13 1948-06-23 Electroflo Meters Co Ltd Improvements in or relating to hydraulic or pneumatic servomotor systems
US2618121A (en) * 1949-11-07 1952-11-18 Hpm Dev Corp Locking control circuit for fluid-actuated motors
FR1210926A (fr) * 1957-10-11 1960-03-11 Charmilles Sa Ateliers Servo-mécanisme hydraulique à commande électrique
US3074384A (en) * 1959-07-08 1963-01-22 John S Pilch Pilot-operated ball check valve in cylinder head
US3472547A (en) * 1966-06-13 1969-10-14 Applied Power Ind Inc Safety tilt system

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP1098123A1 (en) * 1999-11-08 2001-05-09 Meccanica Fadini s.n.c. di Fadini Luigi, Gaetano e Carlo Hydraulic actuator

Also Published As

Publication number Publication date
JPS5039902B1 (enrdf_load_stackoverflow) 1975-12-20
FR2068323A6 (enrdf_load_stackoverflow) 1971-08-20
NL7015103A (enrdf_load_stackoverflow) 1971-04-19
DE2050761A1 (de) 1971-05-27
DE2050761C2 (de) 1983-08-18
SE365290B (enrdf_load_stackoverflow) 1974-03-18

Similar Documents

Publication Publication Date Title
US4361075A (en) Unlockable check valve, particularly for use as recovery and setting valve in underground mining
GB1380371A (en) Machine having a telescopic boom
GB1447673A (en) Hydraulic piston-and-cylinder arrangement for adjustment of the relative angle position of two pivotally-connected parts
GB1469918A (en) Fast exhaust circuit for hydraulic jacks
GB987078A (enrdf_load_stackoverflow)
ES406648A1 (es) Dispositivo hidraulico de absorcion de choques.
GB912003A (en) Hydraulic mechanism
GB959872A (en) Hydraulic circuit for a tractor drawn implement
GB1326039A (en) Hydraulic jack
GB1212072A (en) Hydraulic control circuits
GB915036A (en) Fluid circuits
GB1372659A (en) Hydraulic control systems
GB1300306A (en) Spool valve
GB1173247A (en) Steering System for Vehicles
GB1115725A (en) Hydraulic cushion for dies
NL256189A (enrdf_load_stackoverflow)
GB1057752A (en) Control system for hydraulically operated equipment such as excavators
GB1368936A (en) Hydraulic control systems
GB1500713A (en) Control means for mine roof supports
GB1421037A (en) Valve assembly
GB1160907A (en) Hydraulic System
GB1426358A (en) Hydraulic self-levelling device for a boom-mounted bucket
GB1425787A (en) Mobile vehilces having hydraulically actuable braking systems
GB1347264A (en) Valve actuator operated by pressurised fluid
GB1383884A (en) Hydraulic cylinder device for lifting and lowering a pivotable drivers cab

Legal Events

Date Code Title Description
PS Patent sealed
PE20 Patent expired after termination of 20 years