EP2239470A3 - Cylinder piston unit with locking means and method for locking and unlocking the same - Google Patents

Cylinder piston unit with locking means and method for locking and unlocking the same Download PDF

Info

Publication number
EP2239470A3
EP2239470A3 EP10156720A EP10156720A EP2239470A3 EP 2239470 A3 EP2239470 A3 EP 2239470A3 EP 10156720 A EP10156720 A EP 10156720A EP 10156720 A EP10156720 A EP 10156720A EP 2239470 A3 EP2239470 A3 EP 2239470A3
Authority
EP
European Patent Office
Prior art keywords
locking
spindle
cylinder
self
unlocking
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
EP10156720A
Other languages
German (de)
French (fr)
Other versions
EP2239470B1 (en
EP2239470A2 (en
Inventor
Walter Neumeister
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.)
Neumeister Hydraulik GmbH
Original Assignee
Neumeister Hydraulik 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 Neumeister Hydraulik GmbH filed Critical Neumeister Hydraulik GmbH
Priority to PL12197159T priority Critical patent/PL2570680T3/en
Priority to EP12197151.9A priority patent/EP2570679B1/en
Priority to PL12197151T priority patent/PL2570679T3/en
Priority to PL10156720T priority patent/PL2239470T3/en
Priority to EP12197159.2A priority patent/EP2570680B1/en
Publication of EP2239470A2 publication Critical patent/EP2239470A2/en
Publication of EP2239470A3 publication Critical patent/EP2239470A3/en
Application granted granted Critical
Publication of EP2239470B1 publication Critical patent/EP2239470B1/en
Active 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
  • Braking Arrangements (AREA)
  • Clamps And Clips (AREA)

Abstract

Die Erfindung betrifft einen Verriegelungszylinder (20) mit einem Zylinder (21) und einem relativ zu diesem mit Hilfe eines Druckmittels in Axialrichtung (59) bewegbaren Kolben (22). Der Kolben (22) ist mit einem Kolbengewinde (26) versehen, das unter Ausbildung eines nicht selbsthemmenden Gewindes (27) mit einem Spindelgewinde (28) einer Spindel (30) in Engriff steht, die um eine Drehachse (33) relativ zu dem Zylinder (21) drehbar und in Axialrichtung relativ zu dem Zylinder verschiebbar ist. Die Spindel (30) ist drehfest mit einem erste Verriegelungs-Kegel-Flächen (51) aufweisenden, selbsthemmenden, ersten Klemm-Kegel-Körper verbunden, dessen Verriegelungs-Kegel-Flächen (51) mit zweiten Verriegelungs-Kegel-Flächen (52) eines zweiten selbsthemmenden Klemm-Kegel-Körpers (54) selbsthemmend verklemmbar sind. Die Erfindung betrifft auch ein Verfahren zur drehfesten reibschlüssigen Verriegelung einer Spindel (30) sowie ein Verfahren zur Entriegelung einer drehfest und reibschlüssig verriegelten Spindel (30).

Figure imgaf001
The invention relates to a locking cylinder (20) having a cylinder (21) and a piston (22) which can be moved relative thereto by means of a pressure medium in the axial direction (59). The piston (22) is provided with a piston thread (26) which engages a spindle thread (28) of a spindle (30) forming a non-self-locking thread (27) about an axis of rotation (33) relative to the cylinder (21) is rotatable and displaceable in the axial direction relative to the cylinder. The spindle (30) is non-rotatably connected to a first locking cone surfaces (51) having, self-locking, first clamping cone body whose locking cone surfaces (51) with second locking cone surfaces (52) of a second self-locking clamping cone body (54) are self-locking clamped. The invention also relates to a method for the rotationally fixed frictional locking of a spindle (30) and to a method for unlocking a rotatably and frictionally locked spindle (30).
Figure imgaf001
EP10156720.4A 2009-04-09 2010-03-17 Cylinder piston unit with locking means and method for locking and unlocking the same Active EP2239470B1 (en)

Priority Applications (5)

Application Number Priority Date Filing Date Title
PL12197159T PL2570680T3 (en) 2009-04-09 2010-03-17 Method for unlocking a locking cylinder
EP12197151.9A EP2570679B1 (en) 2009-04-09 2010-03-17 Cylinder piston unit with locking means and correspondind methods for locking and unlocking
PL12197151T PL2570679T3 (en) 2009-04-09 2010-03-17 Cylinder piston unit with locking means and correspondind methods for locking and unlocking
PL10156720T PL2239470T3 (en) 2009-04-09 2010-03-17 Cylinder piston unit with locking means and method for locking and unlocking the same
EP12197159.2A EP2570680B1 (en) 2009-04-09 2010-03-17 Method for unlocking a locking cylinder

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE102009017212 2009-04-09

Related Child Applications (2)

Application Number Title Priority Date Filing Date
EP12197151.9 Division-Into 2012-12-14
EP12197159.2 Division-Into 2012-12-14

Publications (3)

Publication Number Publication Date
EP2239470A2 EP2239470A2 (en) 2010-10-13
EP2239470A3 true EP2239470A3 (en) 2012-06-13
EP2239470B1 EP2239470B1 (en) 2013-07-03

Family

ID=42357765

Family Applications (3)

Application Number Title Priority Date Filing Date
EP10156720.4A Active EP2239470B1 (en) 2009-04-09 2010-03-17 Cylinder piston unit with locking means and method for locking and unlocking the same
EP12197151.9A Active EP2570679B1 (en) 2009-04-09 2010-03-17 Cylinder piston unit with locking means and correspondind methods for locking and unlocking
EP12197159.2A Active EP2570680B1 (en) 2009-04-09 2010-03-17 Method for unlocking a locking cylinder

Family Applications After (2)

Application Number Title Priority Date Filing Date
EP12197151.9A Active EP2570679B1 (en) 2009-04-09 2010-03-17 Cylinder piston unit with locking means and correspondind methods for locking and unlocking
EP12197159.2A Active EP2570680B1 (en) 2009-04-09 2010-03-17 Method for unlocking a locking cylinder

Country Status (4)

Country Link
EP (3) EP2239470B1 (en)
DE (1) DE102010015996A1 (en)
ES (3) ES2437762T3 (en)
PL (3) PL2570680T3 (en)

Families Citing this family (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
AT516280B1 (en) * 2015-02-06 2016-04-15 Neuson Hydrotec Gmbh Piston-cylinder unit with adjusting ring
DE102015108829A1 (en) 2015-06-03 2016-12-08 Neumeister Hydraulik Gmbh Double-acting lock cylinder and method of operating a double-acting lock cylinder
CN108679038A (en) * 2018-07-13 2018-10-19 武汉科技大学 A kind of novel mechanical self-locking hydraulic actuator
CN109470442B (en) * 2018-12-28 2023-11-21 中国地震局工程力学研究所 Vibration locking device and vibration table
CN110356545A (en) * 2019-08-21 2019-10-22 成都弗格森液压机电有限公司 A kind of unmanned plane undercarriage control retaining mechanism
CN114517809B (en) * 2022-02-23 2023-09-12 中国工程物理研究院机械制造工艺研究所 Aerostatic bearing based on lotus root-shaped directional porous throttling

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB644424A (en) * 1946-08-15 1950-10-11 C V Fabriek Voor Auto En Machi A locking device for a fluid operated jack
US2632426A (en) * 1946-08-15 1953-03-24 Graaf Marretje Gijs Geesink-De Hydraulic jack
CH546895A (en) * 1971-10-21 1974-03-15 Bieri H Ag DOUBLE-ACTING HYDRAULIC PISTON-CYLINDER UNIT WITH RETURN LOCK.
FR2401346A1 (en) * 1977-08-26 1979-03-23 Du Pont Murphy HYDRAULIC OR PNEUMATIC CYLINDER AND PISTON MECHANISM
GB2154282A (en) * 1984-02-14 1985-09-04 H C H Manufacturing Ltd Fluid pressure actuators
DE3629677A1 (en) * 1986-09-01 1988-03-10 Kontec Gmbh Device for locking the piston of a piston/cylinder arrangement

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2039296B2 (en) 1970-08-07 1973-01-11 Hans Holland Gmbh, 6228 Eltville WORK CYLINDER WITH MECHANICAL SUPPORT
DE3831459A1 (en) 1988-09-16 1990-03-29 Bayerische Motoren Werke Ag Locking device for double-acting fluid cylinders, in particular hydraulic cylinders
DE19633412A1 (en) 1996-08-19 1998-03-05 Wolfram Sielemann Pressure operated drive
DE29720838U1 (en) 1997-11-25 1998-02-26 Andexser Lucie Working cylinder with integrated lifting brake
SE521461C2 (en) 1999-03-26 2003-11-04 Parker Hannifin Ab Piston cylinder assembly with piston rod locking
DE102007024736B3 (en) 2007-05-25 2008-06-12 Neumeister Hydraulik Gmbh Locking cylinder with fluidic slide bearing has supporting body as supporting and bearing body with supporting and bearing surface and counter supporting and bearing surface of second axial bearing in form of fluidic slide bearing

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB644424A (en) * 1946-08-15 1950-10-11 C V Fabriek Voor Auto En Machi A locking device for a fluid operated jack
US2632426A (en) * 1946-08-15 1953-03-24 Graaf Marretje Gijs Geesink-De Hydraulic jack
CH546895A (en) * 1971-10-21 1974-03-15 Bieri H Ag DOUBLE-ACTING HYDRAULIC PISTON-CYLINDER UNIT WITH RETURN LOCK.
FR2401346A1 (en) * 1977-08-26 1979-03-23 Du Pont Murphy HYDRAULIC OR PNEUMATIC CYLINDER AND PISTON MECHANISM
GB2154282A (en) * 1984-02-14 1985-09-04 H C H Manufacturing Ltd Fluid pressure actuators
DE3629677A1 (en) * 1986-09-01 1988-03-10 Kontec Gmbh Device for locking the piston of a piston/cylinder arrangement

Also Published As

Publication number Publication date
EP2239470B1 (en) 2013-07-03
EP2570679A1 (en) 2013-03-20
EP2570680B1 (en) 2013-09-18
ES2429341T3 (en) 2013-11-14
ES2437763T3 (en) 2014-01-14
DE102010015996A1 (en) 2010-10-14
PL2570679T3 (en) 2014-02-28
EP2239470A2 (en) 2010-10-13
PL2239470T3 (en) 2013-11-29
EP2570680A1 (en) 2013-03-20
ES2437762T3 (en) 2014-01-14
PL2570680T3 (en) 2014-02-28
EP2570679B1 (en) 2013-09-18

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