EP0057355A3 - Hydraulic lifting device - Google Patents

Hydraulic lifting device Download PDF

Info

Publication number
EP0057355A3
EP0057355A3 EP82100220A EP82100220A EP0057355A3 EP 0057355 A3 EP0057355 A3 EP 0057355A3 EP 82100220 A EP82100220 A EP 82100220A EP 82100220 A EP82100220 A EP 82100220A EP 0057355 A3 EP0057355 A3 EP 0057355A3
Authority
EP
European Patent Office
Prior art keywords
lifting device
hydraulic lifting
hydraulic
lifting
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
EP82100220A
Other languages
German (de)
Other versions
EP0057355A2 (en
EP0057355B1 (en
Inventor
Heinz-Helmut Voigt
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.)
Vickers Systems GmbH
Original Assignee
Sperry Vickers Zweigniederlassung Der Sperry GmbH
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 Sperry Vickers Zweigniederlassung Der Sperry GmbH filed Critical Sperry Vickers Zweigniederlassung Der Sperry GmbH
Publication of EP0057355A2 publication Critical patent/EP0057355A2/en
Publication of EP0057355A3 publication Critical patent/EP0057355A3/en
Application granted granted Critical
Publication of EP0057355B1 publication Critical patent/EP0057355B1/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B1/00—Control systems of elevators in general
    • B66B1/24—Control systems with regulation, i.e. with retroactive action, for influencing travelling speed, acceleration, or deceleration
    • 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
    • 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
    • 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
    • B66F9/00—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes
    • B66F9/06—Devices for lifting or lowering bulky or heavy goods for loading or unloading purposes movable, with their loads, on wheels or the like, e.g. fork-lift trucks
    • B66F9/075—Constructional features or details
    • B66F9/20—Means for actuating or controlling masts, platforms, or forks
    • B66F9/22—Hydraulic devices or systems

Landscapes

  • Engineering & Computer Science (AREA)
  • Structural Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Geology (AREA)
  • Mechanical Engineering (AREA)
  • Transportation (AREA)
  • Automation & Control Theory (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Civil Engineering (AREA)
  • Fluid-Pressure Circuits (AREA)
  • Forklifts And Lifting Vehicles (AREA)
EP82100220A 1981-02-04 1982-01-14 Hydraulic lifting device Expired EP0057355B1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE19813103745 DE3103745A1 (en) 1981-02-04 1981-02-04 HYDRAULIC LIFTING DEVICE
DE3103745 1981-02-04

Publications (3)

Publication Number Publication Date
EP0057355A2 EP0057355A2 (en) 1982-08-11
EP0057355A3 true EP0057355A3 (en) 1982-12-15
EP0057355B1 EP0057355B1 (en) 1985-06-19

Family

ID=6124024

Family Applications (1)

Application Number Title Priority Date Filing Date
EP82100220A Expired EP0057355B1 (en) 1981-02-04 1982-01-14 Hydraulic lifting device

Country Status (2)

Country Link
EP (1) EP0057355B1 (en)
DE (2) DE3103745A1 (en)

Families Citing this family (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3434014A1 (en) * 1984-09-15 1986-03-20 Beringer-Hydraulik GmbH, Neuheim, Zug HYDRAULIC CONTROL
DE3536219A1 (en) * 1985-10-10 1987-04-16 Heilmeier & Weinlein HYDRAULIC CONTROL DEVICE
FR2593796A1 (en) * 1986-02-04 1987-08-07 Realisa Meca Chaudronneri Et Apparatus for vertical handling of a load
JPH11349288A (en) * 1998-06-08 1999-12-21 Oil Drive Kogyo Kk Method for controlling energy saving-type hydraulic elevator
DE202004014029U1 (en) 2004-09-08 2006-01-12 Hawe Hydraulik Gmbh & Co. Kg Electrohydraulic control device
CN103089600A (en) * 2012-11-28 2013-05-08 龙工（上海）桥箱有限公司 Debugging device for variable displacement piston pump flow control valve
US9328832B2 (en) * 2012-12-25 2016-05-03 Zhejiang Dunan Hetian Metal Co., Ltd. Wheatstone bridge check valve arrangement

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3437012A (en) * 1965-12-28 1969-04-08 Asea Ab Valve system for hydraulic elevators
AT270131B (en) * 1963-06-10 1969-04-10 Rexroth Gmbh G L Control arrangement for a single-acting working cylinder, in particular on an elevator
DE2800814A1 (en) * 1978-01-10 1979-07-12 Bosch Gmbh Robert Load compensated hydraulic control system - has pump adjusting mechanism connected to pilot valve discharging to tank

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
SU663896A1 (en) * 1977-06-27 1979-05-25 Одесское Специальное Конструкторское Бюро Специальных Станков (Оскбсс) Hydraulic drive

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT270131B (en) * 1963-06-10 1969-04-10 Rexroth Gmbh G L Control arrangement for a single-acting working cylinder, in particular on an elevator
US3437012A (en) * 1965-12-28 1969-04-08 Asea Ab Valve system for hydraulic elevators
DE2800814A1 (en) * 1978-01-10 1979-07-12 Bosch Gmbh Robert Load compensated hydraulic control system - has pump adjusting mechanism connected to pilot valve discharging to tank

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
SOVIET INVENTIONS ILLUSTRATED, Week C06, 19. März 1980, Sektion Q 57; & SU-A-663896 *

Also Published As

Publication number Publication date
DE3103745A1 (en) 1982-09-02
EP0057355A2 (en) 1982-08-11
DE3264150D1 (en) 1985-07-25
EP0057355B1 (en) 1985-06-19

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