EP1936208A3 - Pressure-driven hoisting device with self-locking spindle - Google Patents

Pressure-driven hoisting device with self-locking spindle Download PDF

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Publication number
EP1936208A3
EP1936208A3 EP07021865A EP07021865A EP1936208A3 EP 1936208 A3 EP1936208 A3 EP 1936208A3 EP 07021865 A EP07021865 A EP 07021865A EP 07021865 A EP07021865 A EP 07021865A EP 1936208 A3 EP1936208 A3 EP 1936208A3
Authority
EP
European Patent Office
Prior art keywords
pressure
threaded spindle
consumer
self
linear
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
EP07021865A
Other languages
German (de)
French (fr)
Other versions
EP1936208A2 (en
EP1936208B1 (en
Inventor
Josef Büter
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.)
Buemach Engineering International BV
Original Assignee
Buemach Engineering International BV
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 Buemach Engineering International BV filed Critical Buemach Engineering International BV
Publication of EP1936208A2 publication Critical patent/EP1936208A2/en
Publication of EP1936208A3 publication Critical patent/EP1936208A3/en
Application granted granted Critical
Publication of EP1936208B1 publication Critical patent/EP1936208B1/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • F15B15/20—Other details, e.g. assembly with regulating devices
    • F15B15/26—Locking mechanisms
    • F15B15/262—Locking mechanisms using friction, e.g. brake pads
    • F15B15/264—Screw mechanisms attached to the piston

Abstract

Es wird eine druckmittelbetriebene Hubvorrichtung mit selbsthemmender Gewindespindel beschrieben, deren Wirkungsgrad erheblich größer ist als der bisher bekannter Systeme mit mechanischer Wegsperrung.
Erfindungsgemäß ist ein linearer Druckstromverbraucher (1) mit einem rotierenden Druckstromverbraucher (2) mit einer Abtriebswelle (7) gekoppelt, die Abtriebswelle (8) ist mit der Gewindespindel (4) des linearen Druckstromverbrauchers (1) form- und kraftschlüssig verbunden, ein erstes Stromstellventil (15) und ein zweites Stromstellventil (26) sind in den Zuführungsleitungen (11; 25) zum linearen Druckstromverbraucher (1) zur Drosselung eines Teilfluidstroms angeordnet und auf Grund der Funktionalität der Stromstellventile (15; 26) liegt eine Synchronität zwischen der Geschwindigkeit der axialen Bewegung der Kolbenstange (3) des linearen Druckstromverbrauchers (1) mit der Drehzahl der, vom rotierenden Druckstromverbraucher (2) angetriebenen, Gewindespindel (4) vor.

Figure imgaf001
It is a pressure-medium-operated lifting device with self-locking threaded spindle described, the efficiency of which is considerably greater than the previously known systems with mechanical path blocking.
According to the invention, a linear pressure current consumer (1) with a rotating pressure current consumer (2) is coupled to an output shaft (7), the output shaft (8) is positively and non-positively connected to the threaded spindle (4) of the linear pressure electricity consumer (1), a first power control valve (15) and a second power control valve (26) are arranged in the supply lines (11; 25) to the linear pressure flow consumer (1) for throttling a Teilfluidstroms and due to the functionality of the Stromstellventile (15; 26) is a synchronism between the speed of the axial Movement of the piston rod (3) of the linear Druckstromverbrauchers (1) with the speed of, from the rotating Druckstromverbraucher (2) driven, threaded spindle (4) before.
Figure imgaf001
EP20070021865 2006-12-23 2007-11-10 Pressure-driven hoisting device with self-locking spindle Expired - Fee Related EP1936208B1 (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE200620019452 DE202006019452U1 (en) 2006-12-23 2006-12-23 Lifting device has flow control valves in feed lines to linear actuator which provide synchronicity between speed of axial movement of piston rod of linear actuator and rotational speed of threaded spindle driven by rotary actuator

Publications (3)

Publication Number Publication Date
EP1936208A2 EP1936208A2 (en) 2008-06-25
EP1936208A3 true EP1936208A3 (en) 2009-04-08
EP1936208B1 EP1936208B1 (en) 2012-07-11

Family

ID=37913326

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20070021865 Expired - Fee Related EP1936208B1 (en) 2006-12-23 2007-11-10 Pressure-driven hoisting device with self-locking spindle

Country Status (2)

Country Link
EP (1) EP1936208B1 (en)
DE (1) DE202006019452U1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202008011467U1 (en) 2008-08-28 2008-11-06 Bümach Engineering International B.V. Lifting device with self-locking threaded spindle
GB2516427A (en) * 2013-07-18 2015-01-28 Lb Bentley Ltd Actuator
DE102015108829A1 (en) * 2015-06-03 2016-12-08 Neumeister Hydraulik Gmbh Double-acting lock cylinder and method of operating a double-acting lock cylinder

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2150595A1 (en) * 1971-08-27 1973-04-13 Langet Maurice
DE3629677A1 (en) * 1986-09-01 1988-03-10 Kontec Gmbh Device for locking the piston of a piston/cylinder arrangement
DE29714664U1 (en) * 1996-08-19 1998-03-05 Sielemann Wolfram Fluid-powered drive

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2150595A1 (en) * 1971-08-27 1973-04-13 Langet Maurice
DE3629677A1 (en) * 1986-09-01 1988-03-10 Kontec Gmbh Device for locking the piston of a piston/cylinder arrangement
DE29714664U1 (en) * 1996-08-19 1998-03-05 Sielemann Wolfram Fluid-powered drive

Also Published As

Publication number Publication date
DE202006019452U1 (en) 2007-03-29
EP1936208A2 (en) 2008-06-25
EP1936208B1 (en) 2012-07-11

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