IT1087239B - HYDRAULIC LIFTING EQUIPMENT - Google Patents

HYDRAULIC LIFTING EQUIPMENT

Info

Publication number
IT1087239B
IT1087239B IT2977777A IT2977777A IT1087239B IT 1087239 B IT1087239 B IT 1087239B IT 2977777 A IT2977777 A IT 2977777A IT 2977777 A IT2977777 A IT 2977777A IT 1087239 B IT1087239 B IT 1087239B
Authority
IT
Italy
Prior art keywords
hydraulic lifting
lifting equipment
equipment
hydraulic
lifting
Prior art date
Application number
IT2977777A
Other languages
Italian (it)
Original Assignee
Kempf & Co Ag
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 Kempf & Co Ag filed Critical Kempf & Co Ag
Application granted granted Critical
Publication of IT1087239B publication Critical patent/IT1087239B/en

Links

Classifications

    • 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
    • B66F3/46—Combinations of several jacks with means for interrelating lifting or lowering movements
    • 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

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)
  • Fluid-Pressure Circuits (AREA)
  • Actuator (AREA)
IT2977777A 1976-11-26 1977-11-17 HYDRAULIC LIFTING EQUIPMENT IT1087239B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CH1490176A CH601676A5 (en) 1976-11-26 1976-11-26

Publications (1)

Publication Number Publication Date
IT1087239B true IT1087239B (en) 1985-06-04

Family

ID=4404677

Family Applications (1)

Application Number Title Priority Date Filing Date
IT2977777A IT1087239B (en) 1976-11-26 1977-11-17 HYDRAULIC LIFTING EQUIPMENT

Country Status (5)

Country Link
AT (1) AT358224B (en)
CH (1) CH601676A5 (en)
DE (1) DE2752555A1 (en)
FR (1) FR2372115A1 (en)
IT (1) IT1087239B (en)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FI64440C (en) * 1981-08-17 1983-11-10 Tampella Oy Ab OIL HYDRAULIC WRENCH FOR HYDRAULIC WASHER AV EN MED EN PUMP ALSTRAD VAETSKESTROEM TILL FLERE ARBETSANORDNINGAR
DE3230458C2 (en) * 1982-08-16 1986-08-14 Heinz Georg Hünibach Thun Baus Control device for a massage shower
DE3333688A1 (en) * 1983-09-17 1985-03-28 P.A. Rentrop Hubbert & Wagner Fahrzeugausstattungen GmbH & Co KG, 3060 Stadthagen Pressurised cylinder arrangement which can be activated hydraulically
US4638886A (en) * 1985-10-21 1987-01-27 Sta-Rite Industries, Inc. Apparatus for disabling an obstructed lift mechanism
DE3642164A1 (en) * 1986-12-10 1988-06-23 Basf Ag METHOD FOR REMOVING ACID FROM CATHODIC ELECTRO-DIP LACQUER BATHS BY ELECTRODIALYSIS
FR2608142B1 (en) * 1986-12-16 1989-03-31 Ouest Hydraulique Mecanique HYDRAULIC MOUNTING AND LOWERING DEVICE OF A BEAM OR A PLATFORM PARALLEL TO A REFERENCE PLAN
US5110251A (en) * 1989-01-17 1992-05-05 Gray Ralph E Hydraulic platform lift for truck trailers
IT1244925B (en) * 1991-02-19 1994-09-13 Pomezia Iniziative Ind IMPROVEMENT IN THE COMPLEXES OF HYDRAULIC CYLINDERS ACTUATORS WITH SYNCHRONIZED FORWARD / RETURN PISTONS, EVEN IN THE PRESENCE OF UNSTRUCTED LOADS.
NL9200589A (en) * 1992-03-30 1993-10-18 Meijer Sjoerd HYDRAULIC DEVICE WITH SIMILAR AUGERS.
DE9404736U1 (en) * 1994-03-21 1995-07-20 Kinshofer Greiftechnik GmbH, 83666 Waakirchen Device for controlling two linear motors, especially hydraulic cylinders
DE19709474A1 (en) * 1997-03-07 1998-09-10 Rexroth Mannesmann Gmbh Hydraulic lifting device
CN102996563A (en) * 2012-12-07 2013-03-27 合肥长源液压股份有限公司 Oil cylinder group capable of realizing synchronous movement
CN103708375B (en) * 2013-12-17 2016-04-13 天津大学 Large structure based on speed control is weighed hydraulic control architectures
CN104140060A (en) * 2014-06-27 2014-11-12 中航飞机股份有限公司西安飞机分公司 Synchronous jacking system of airplane
CN105275903B (en) * 2015-11-25 2017-06-13 上海电气液压气动有限公司 A kind of oil cylinder high-precise synchronization control hydraulic system of super large jumbo
CN117267192B (en) * 2023-11-07 2024-03-19 成都物天物联网科技有限责任公司 Synchronous lifting system of vehicle-mounted exchange box

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3476016A (en) * 1967-10-20 1969-11-04 Cascade Corp Apparatus for producing coordinated,simultaneous actuation of multiple rams
DE2041185C3 (en) * 1970-08-19 1975-09-18 Stuebbe Maschinenfabrik Gmbh, 4925 Kalletal-Kalldorf Plastics processing machine, in particular injection molding machine or blow molding machine, with cooperating and synchronous strokes executing hydraulic piston-cylinder units

Also Published As

Publication number Publication date
CH601676A5 (en) 1978-07-14
ATA851677A (en) 1980-01-15
FR2372115A1 (en) 1978-06-23
DE2752555A1 (en) 1978-06-01
AT358224B (en) 1980-08-25

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