ATA875078A - Synchronisationseinrichtung fuer hebebuehnen mit mehreren hubzylindern - Google Patents

Synchronisationseinrichtung fuer hebebuehnen mit mehreren hubzylindern

Info

Publication number
ATA875078A
ATA875078A AT875078A AT875078A ATA875078A AT A875078 A ATA875078 A AT A875078A AT 875078 A AT875078 A AT 875078A AT 875078 A AT875078 A AT 875078A AT A875078 A ATA875078 A AT A875078A
Authority
AT
Austria
Prior art keywords
lifts
synchronization device
lifting cylinders
several lifting
several
Prior art date
Application number
AT875078A
Other languages
English (en)
Original Assignee
Itt
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 Itt filed Critical Itt
Publication of ATA875078A publication Critical patent/ATA875078A/de

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
    • B66F7/00—Lifting frames, e.g. for lifting vehicles; Platform lifts
    • B66F7/10—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks
    • B66F7/16—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks by one or more hydraulic or pneumatic jacks
    • B66F7/20—Lifting frames, e.g. for lifting vehicles; Platform lifts with platforms supported directly by jacks by one or more hydraulic or pneumatic jacks by several jacks with means for maintaining the platforms horizontal during movement
    • 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)
  • Exhaust-Gas Circulating Devices (AREA)
  • Massaging Devices (AREA)
  • Buildings Adapted To Withstand Abnormal External Influences (AREA)
AT875078A 1977-12-12 1978-12-07 Synchronisationseinrichtung fuer hebebuehnen mit mehreren hubzylindern ATA875078A (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NL7713705A NL7713705A (nl) 1977-12-12 1977-12-12 Gelijkloopinrichting voor hydraulische cilinders.

Publications (1)

Publication Number Publication Date
ATA875078A true ATA875078A (de) 1981-03-15

Family

ID=19829730

Family Applications (1)

Application Number Title Priority Date Filing Date
AT875078A ATA875078A (de) 1977-12-12 1978-12-07 Synchronisationseinrichtung fuer hebebuehnen mit mehreren hubzylindern

Country Status (11)

Country Link
US (1) US4230304A (de)
AT (1) ATA875078A (de)
AU (1) AU4235378A (de)
BE (1) BE872672A (de)
CA (1) CA1097187A (de)
DE (1) DE2850544A1 (de)
FR (1) FR2411324A1 (de)
GB (1) GB2010217B (de)
NL (1) NL7713705A (de)
NO (1) NO784079L (de)
SE (1) SE7812582L (de)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1137390B (it) * 1981-05-12 1986-09-10 Car Bench Spa Perfezionamento nei sollevatori a ponte per autoveicoli
DE3208531C2 (de) * 1982-03-10 1986-08-21 Hofmann Werkstatt-Technik GmbH, 6102 Pfungstadt Sicherheitseinrichtung für eine hydraulische Zwei-Säulen-Hebebühne
US4502569A (en) * 1982-04-21 1985-03-05 G & L Corporation Transportable heavy-lift apparatus
DE3232899A1 (de) 1982-09-04 1984-03-08 Otto Wöhr GmbH, 7015 Korntal-Münchingen Vorrichtung zur aufrechterhaltung gleichmaessiger hubhoehen an beiden seiten einer plattform
US4763761A (en) * 1987-02-27 1988-08-16 Mckinsey Millard F Lifting device
US5050844A (en) * 1989-10-05 1991-09-24 Vbm Corporation Lift assembly
DE9006739U1 (de) * 1990-06-15 1990-08-23 Slift Hebezeug GmbH, 7533 Tiefenbronn Gleichlaufvorrichtung für eine Hebebühne
IL98975A (en) * 1991-07-26 1994-04-12 Israel State Pneumatic apparatus for lifting and lowering
US6763916B2 (en) * 2002-04-12 2004-07-20 Delaware Capital Formation, Inc. Method and apparatus for synchronizing a vehicle lift
US7150073B2 (en) * 2004-04-27 2006-12-19 Delaware Capital Formation, Inc. Hinge pin
US7269949B1 (en) 2004-09-24 2007-09-18 Davor Petricio Yaksic Synchronizing hydraulic cylinders
CA2699789A1 (en) * 2007-09-21 2009-03-26 Snap-On Tools Of Canada, Ltd. System and apparatus to synchronize a plurality of hydraulically actuated components
US10087958B2 (en) 2012-04-19 2018-10-02 Cascade Corporation Fluid power control system for mobile load handling equipment
CN102992224A (zh) * 2012-12-01 2013-03-27 江苏华宏科技股份有限公司 多液压缸电液同步举升系统
US9816539B1 (en) 2013-03-19 2017-11-14 Davor Petricio Yaksic Motion control
US20140324214A1 (en) * 2013-04-30 2014-10-30 Vehicle Service Group, Llc Vehicle lift system with speed equalization and centralized control station
CN103241619B (zh) * 2013-05-22 2015-08-05 太原理工大学 一种节能电梯及其运行的控制方法
DE102013019722A1 (de) * 2013-11-27 2015-05-28 Otto Nussbaum Gmbh & Co. Kg Hubvorrichtung zum Heben schwerer Lasten
US10227222B2 (en) 2015-07-31 2019-03-12 Vehicle Service Group, Llc Precast concrete pit
US10246313B2 (en) 2015-07-31 2019-04-02 Vehicle Service Group, Llc Precast concrete pit
CN110605370A (zh) * 2019-08-30 2019-12-24 邯郸钢铁集团有限责任公司 一种利用电磁阀精确控制连铸中间包液压缸位置的方法

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2441925A (en) * 1944-11-09 1948-05-18 Oilgear Co Centering device
US3143924A (en) * 1962-07-17 1964-08-11 Pacific Ind Mfg Co Control means for series connected cylinder drive assemblies
GB997322A (en) * 1962-11-14 1965-07-07 Incandescent Ltd Levelling control system
US3355993A (en) * 1965-11-17 1967-12-05 Soule Steel Company Drive balancing apparatus
DE2308475A1 (de) * 1973-02-21 1974-08-22 Rexroth Gmbh G L Gleichlaufregelung fuer hydraulische mehrzylinderantriebe

Also Published As

Publication number Publication date
GB2010217B (en) 1982-03-17
NL7713705A (nl) 1979-06-14
GB2010217A (en) 1979-06-27
FR2411324A1 (fr) 1979-07-06
US4230304A (en) 1980-10-28
DE2850544A1 (de) 1979-06-13
AU4235378A (en) 1979-06-21
SE7812582L (sv) 1979-06-13
CA1097187A (en) 1981-03-10
NO784079L (no) 1979-06-13
BE872672A (nl) 1979-06-12

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Legal Events

Date Code Title Description
A1J Withdrawal paragraph 166 lit. 6