EP3436388A4 - A counterweighted roped hydraulic lifting system - Google Patents

A counterweighted roped hydraulic lifting system Download PDF

Info

Publication number
EP3436388A4
EP3436388A4 EP16897245.3A EP16897245A EP3436388A4 EP 3436388 A4 EP3436388 A4 EP 3436388A4 EP 16897245 A EP16897245 A EP 16897245A EP 3436388 A4 EP3436388 A4 EP 3436388A4
Authority
EP
European Patent Office
Prior art keywords
counterweighted
hydraulic lifting
lifting system
roped hydraulic
roped
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.)
Withdrawn
Application number
EP16897245.3A
Other languages
German (de)
French (fr)
Other versions
EP3436388A1 (en
Inventor
Magnus Landberg
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.)
Saab AB
Original Assignee
Saab AB
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 Saab AB filed Critical Saab AB
Publication of EP3436388A1 publication Critical patent/EP3436388A1/en
Publication of EP3436388A4 publication Critical patent/EP3436388A4/en
Withdrawn legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B66—HOISTING; LIFTING; HAULING
    • B66B—ELEVATORS; ESCALATORS OR MOVING WALKWAYS
    • B66B9/00—Kinds or types of lifts in, or associated with, buildings or other structures
    • B66B9/04—Kinds or types of lifts in, or associated with, buildings or other structures actuated pneumatically or hydraulically
    • 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
    • F15B15/02—Mechanical layout characterised by the means for converting the movement of the fluid-actuated element into movement of the finally-operated 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
    • 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
    • F15B15/1409—Characterised by the construction of the motor unit of the straight-cylinder type with two or more independently movable working pistons
    • 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
    • F15B15/1457—Piston rods
    • F15B15/1461—Piston rod sealings
    • 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
    • F15B15/148—Lost-motion means between the piston and the output

Landscapes

  • Engineering & Computer Science (AREA)
  • Automation & Control Theory (AREA)
  • Structural Engineering (AREA)
  • Actuator (AREA)
EP16897245.3A 2016-03-31 2016-03-31 A counterweighted roped hydraulic lifting system Withdrawn EP3436388A4 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/SE2016/050269 WO2017171597A1 (en) 2016-03-31 2016-03-31 A counterweighted roped hydraulic lifting system

Publications (2)

Publication Number Publication Date
EP3436388A1 EP3436388A1 (en) 2019-02-06
EP3436388A4 true EP3436388A4 (en) 2020-04-29

Family

ID=59966170

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16897245.3A Withdrawn EP3436388A4 (en) 2016-03-31 2016-03-31 A counterweighted roped hydraulic lifting system

Country Status (2)

Country Link
EP (1) EP3436388A4 (en)
WO (1) WO2017171597A1 (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN108163688B (en) * 2018-02-08 2024-05-14 湖南电气职业技术学院 Stereo garage load balancing system and load balancing method
CN108331797B (en) * 2018-03-28 2023-12-08 江苏徐工工程机械研究院有限公司 Oil cylinder for feeding device of sand throwing fire extinguishing vehicle
WO2019226084A1 (en) * 2018-05-22 2019-11-28 Saab Ab Vertical transportation system operated by hydraulic linear actuator arrangement
CN114375542B (en) * 2019-04-17 2024-05-28 麦迪思莫迅股份有限公司 Stroke transmitter for actuator device

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1496878A (en) * 1973-11-01 1978-01-05 Becker Equipment & Lifts Ltd Hydraulic lift mechanism
SU993677A1 (en) * 1980-12-14 1983-12-23 Ленинградское Специальное Конструкторское Бюро "Ленгидросталь" Hydraulic step drive
EP0133241A1 (en) * 1983-07-22 1985-02-20 A.K. Gebauer & Cie. Spezialfabrik für Aufzüge Sliding piston drive
EP0254840A2 (en) * 1986-06-11 1988-02-03 Inventio Ag Method and device for lifting and lowering a load by a hydraulic linear motor
US6431322B1 (en) * 2000-07-31 2002-08-13 Inventio Ag Plunger guide for a telescopic jack in a hydraulic elevator
WO2005082766A2 (en) * 2004-02-24 2005-09-09 Anna Widmann Hydraulic drive comprising a stationary piston for lifts

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4463663A (en) * 1982-09-29 1984-08-07 Hanson Jr Wallace A Hydraulic cylinder assembly with a liquid recovery system
DE4413165A1 (en) * 1994-04-15 1995-10-19 Rexroth Mannesmann Gmbh Hydraulic lift for raising and lowering loads
NO333699B1 (en) * 2009-11-02 2013-08-26 Ole Kurt Knutsen Protective device and method using the same
WO2015195008A1 (en) * 2014-06-18 2015-12-23 Saab Ab A fluid actuator arrangement

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1496878A (en) * 1973-11-01 1978-01-05 Becker Equipment & Lifts Ltd Hydraulic lift mechanism
SU993677A1 (en) * 1980-12-14 1983-12-23 Ленинградское Специальное Конструкторское Бюро "Ленгидросталь" Hydraulic step drive
EP0133241A1 (en) * 1983-07-22 1985-02-20 A.K. Gebauer & Cie. Spezialfabrik für Aufzüge Sliding piston drive
EP0254840A2 (en) * 1986-06-11 1988-02-03 Inventio Ag Method and device for lifting and lowering a load by a hydraulic linear motor
US6431322B1 (en) * 2000-07-31 2002-08-13 Inventio Ag Plunger guide for a telescopic jack in a hydraulic elevator
WO2005082766A2 (en) * 2004-02-24 2005-09-09 Anna Widmann Hydraulic drive comprising a stationary piston for lifts

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2017171597A1 *

Also Published As

Publication number Publication date
WO2017171597A1 (en) 2017-10-05
EP3436388A1 (en) 2019-02-06

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