WO2005095804A1 - Anschlagmodul für eine schwenkeinhit zum begrenzen einer schwenkbewegung und schwenkeinheit - Google Patents
Anschlagmodul für eine schwenkeinhit zum begrenzen einer schwenkbewegung und schwenkeinheit Download PDFInfo
- Publication number
- WO2005095804A1 WO2005095804A1 PCT/EP2005/003087 EP2005003087W WO2005095804A1 WO 2005095804 A1 WO2005095804 A1 WO 2005095804A1 EP 2005003087 W EP2005003087 W EP 2005003087W WO 2005095804 A1 WO2005095804 A1 WO 2005095804A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- stop
- driver
- housing
- movement
- stop module
- Prior art date
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
- F15B15/08—Characterised by the construction of the motor unit
- F15B15/12—Characterised by the construction of the motor unit of the oscillating-vane or curved-cylinder type
-
- 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
- F15B15/24—Other details, e.g. assembly with regulating devices for restricting the stroke
-
- E—FIXED CONSTRUCTIONS
- E05—LOCKS; KEYS; WINDOW OR DOOR FITTINGS; SAFES
- E05D—HINGES OR SUSPENSION DEVICES FOR DOORS, WINDOWS OR WINGS
- E05D11/00—Additional features or accessories of hinges
- E05D11/06—Devices for limiting the opening movement of hinges
Definitions
- the invention relates to a stop module for limiting the pivoting movement of a rotating body pivotally mounted in a housing, with a driver on the rotating body side, following the movement path of the pivoting movement, and with a housing-side stop comprising a damping element for limiting the movement of the driver, the stop in the circular or circular trajectory of the driver.
- the invention also relates to a swivel unit, which summarizes such a stop module u.
- stop modules are known from the prior art, which are arranged, for example, between a pivot drive and a component to be pivoted, for example a gripping or clamping means.
- a predeterminable pivoting angle can be limited, which makes it possible to pivot the rotating body, or a component arranged on the rotating body, in a precise position.
- shock absorber elements are used as a stop, on which the driver of the rotating body strikes.
- a so-called wing drive can be used, for example, as a pivot drive, in which a cylinder is divided by a wing arranged radially in the cylinder and a fixed separating piece and forms two pressure spaces. Depending on the loading of one or the other pressure chamber, the wing is pivoted about the longitudinal axis of the cylinder, as a result of which a rotating body that is rotationally coupled to the wing executes a corresponding pivoting movement.
- the invention is not limited to wing drives, but can also be used with other drives, for example rack and pinion drives.
- the object of the present invention is to develop a stop module in such a way that it has a long service life with a small available installation space.
- stops and / or bumper elements used should be subject to low wear with differently adjustable swivel angles.
- the intermediate element can be supported either directly on the housing or indirectly on the housing via a component arranged on the housing. If several intermediate elements are provided, the intermediate element, which acts against the stop, is acted upon indirectly by the driver, namely via a further intermediate element located in front of the intermediate element.
- Providing at least one intermediate element ensures that when the driver hits it facing intermediate element acting transverse forces are largely derived into the housing by supporting the intermediate element on the housing. From the intermediate element, only the force component is passed on to the stop, which acts perpendicular to the contact of the intermediate element on the housing. The main force component acting on the stop then runs in the direction of the longitudinal axis of the stop or the axis of movement of the damping element.
- the intermediate element or elements is or are at least largely guided freely in an essentially annular groove-like recess along the movement path of the driver.
- the annular groove-like recess is advantageously formed by the housing or by corresponding components present in the housing.
- the path of movement of the driver is circular or circular section. The driver only strikes the intermediate element facing it and preferably has no contact with any further intermediate elements. This can save installation space.
- the intermediate element is designed such that forces acting on the stop from the intermediate element are transmitted at least largely free of transverse forces.
- Such an intermediate element advantageously has a spherical shape.
- a spherical shape in particular is suitable for the largely shear force-free transmission or transmission of forces.
- a particularly preferred embodiment of the invention can provide that a plurality of intermediate elements arranged one behind the other are provided.
- the intermediate elements are free-running and are not connected to one another or chained together. This allows the swivel angle to be reduced without changing the position of the stops.
- the driver then only meets the intermediate element facing the driver. This intermediate element acts against another intermediate element, which in turn can act against another intermediate element.
- the intermediate element facing the stop transmits the remaining force components, which are not derived from the other intermediate elements into the housing, largely without lateral forces onto the stop.
- a further development of the invention provides that the intermediate element or the intermediate elements is or are guided in the immediate area before the stop on a path running tangentially to the movement path of the driver and in the axial extension of the stop. In this way it can be achieved that the intermediate element striking the stop does not transmit any transverse forces to the stop. The stop or the damping element of the stop is consequently stressed purely axially.
- the housing is designed in such a way that the number of intermediate elements can be changed for swivel angle adjustment. It is conceivable that the stops for introducing further free-running intermediate elements or for removing individual intermediate elements already present in the housing can be removed. For this purpose, the housing looks at openings, for example, in which the stops are arranged. When the stops are removed, the intermediate elements can be inserted or removed through the openings.
- the stop For fine adjustment of the swivel angle, it can be provided that the stop, or if there are several stops, the stops are arranged to be adjustable on the housing in the axial direction.
- the stops can be screwed into the housing at different depths, as a result of which the position of the stop with respect to the driver changes.
- a total of two stops are provided in the movement path of the driver, with which the pivoting movement in the two directions of movement of the driver can be limited.
- the two stops can, for example, enclose an angle of 180 degrees or more on the circular movement path.
- the swivel angle provided can then be roughly adjusted depending on the number of intermediate elements in the movement path.
- the swivel angle can be finely adjusted by inserting and fixing the stops into the housing at different depths.
- the stop comprises a fixed stop and a damper, the damper dampening the movement of the driver before the driver hits the fixed stop.
- the damper is an elastically resilient plastic, in particular an elastomer.
- the fixed stop can surround the damper in the manner of a sleeve, the damper then projecting beyond the fixed stop in the axial direction in the unloaded state.
- the damper is consequently first compressed elastically in the axial direction until the intermediate element then hits the fixed stop surrounding the damper in the manner of a sleeve.
- a cylinder-piston damper can of course also be used as the damper, the piston rod of which is then acted upon by the intermediate elements.
- the surface contour of the fixed stop can be complementary to the surface of the intermediate element. This results in a comparatively large contact surface of the intermediate element on the fixed stop, whereby stress peaks in the fixed stop and in the intermediate element are avoided. The service life of the stop and the intermediate elements is thus increased.
- the stated object is also achieved by a swivel unit with a stop module according to the invention.
- FIG. 1 shows a longitudinal section through a stop module according to the invention
- FIG. 2 shows a perspective bottom view of the housing of the stop module according to FIG. 1,
- FIG. 3 insert components for the housing according to FIG. 2,
- FIG. 4a shows a cross section along the line IV-IV according to FIG. 1 of a first embodiment according to the invention
- FIG. 4b shows a cross section along the line IV-IV according to FIG. 1 of a second embodiment according to the invention
- FIG. 5 shows an enlarged detail from FIG. 4a.
- FIG. 1 shows a stop module 8 according to the invention with a housing 10 which has a central opening 12.
- a rotating body 14 is pivoted relative to the housing 10. Swiveling components, such as grippers, can be arranged on the rotating body 14.
- a swivel drive 16 in the form of a wing drive is shown on the underside of the housing 10.
- the swivel drive 16 comprises a two-part housing 18 in which a swivel wing 20 which can be acted upon pneumatically is accommodated. Compressed air can be applied to the swivel wing 20 on both sides, as a result of which the swivel wing 20 is pivoted about the axis 22.
- the swivel wing 20 has on its side facing the stop module 8 a swivel shaft 24 which is rotationally coupled to the rotating body 14. When the pivot shaft 24 is pivoted, the rotary body 14 is consequently pivoted as well.
- the pivoting movement of the rotating body 14 is limited by a driver 26 provided on the rotating body 14, which can move between two stops on the housing side. 4a and 4b, the stops bear the reference numerals 48 and 50.
- the driver 26 projects into an annular groove-like recess 32 on the housing side.
- the recess 32 is formed on the one hand by the housing 10 and on the other hand by two components 34, 36 which are shown in FIG are shown in perspective.
- the circular disk-shaped component 36 has an annular groove 38, in the extensions of which a rectilinear groove 40 adjoins the component 36 tangentially.
- the two components 36, 38 are received in the assembled state by the underside of the housing 10 shown in FIG. 2.
- the housing 10 provides in the region of the central opening 12 an annular collar-like web 42, on which the open side of the annular groove 38 of the component 36 is placed. Accordingly, the component 34 is inserted so that the grooves 40 are arranged in an extension of the grooves 38.
- the housing 10 provides two openings 44, 46 arranged parallel to one another, which are accessible from the outside of the housing and serve to receive the stops 48, 50.
- the section shown in FIGS. 4a and 4b is selected such that it lies in the region of the annular groove 38, the grooves 40 and the openings 44, 46.
- the stops 48, 50 screwed into the openings 44, 46 comprise a sleeve-like fixed stop 52 and an elastomer damper 54 surrounded by the fixed stop 52.
- the damper 54 projects beyond the fixed stop 52 in the unloaded state.
- the axis of rotation 22 can be clearly seen, about which the pivot shaft 24 can be pivoted together with the driver 26.
- the driver 26 engages in the recess 32 or the annular groove 38. Between the driver 26 and the stops 48, 50 free-running, non-motion-coupled intermediate elements in the form of balls 56 are provided.
- four balls 56 are shown between the stop 46 and the driver 26 and only one ball between the driver 36 and the stop 50.
- the respective number of balls 56 between stop 48, 50 and driver 26 allows the swivel angle to be roughly adjusted. A fine adjustment of the swivel angle can be carried out by different screw-in depths of the stops 48, 50.
- the individual free-running balls 56 are each supported on the housing 10 or on the housing-side component 38 when acted upon by the driver.
- stops 48, 50 are provided which comprise a damper 54 in the form of an axially compressible, pretensioned piston rod 62.
- the two axially displaceable piston rods 62 of the two stops 48, 50 are each surrounded by a sleeve-like fixed stop 52 which derives forces in the stops 48, 50 when struck.
- the pivoting angle of the driver 26 according to FIG. 4b is approximately 180 degrees; here only one ball 56 is provided between the driver and the stop 48, 50.
- the pivoting angle according to FIG. 4a is approximately 120 degrees, four balls 56 are provided between the driver 26 and the stop 48 and a ball is provided between the driver 26 and the stop 50.
- balls can be filled or removed through openings 44, 46.
- the longitudinal axes of the fixed stops 48 and 50 run parallel to one another according to FIGS. 4a and 4b. If a swivel angle is to be realized that is more than 180 degrees, it is conceivable that the two stops 48, 50 are not arranged in parallel but at an angle to one another.
- FIG. 5 shows the flow of force when the driver 26 strikes the ball 56.1 facing the driver 26.
- the individual balls 56 each transmit forces Fi to F 4 only perpendicular to their respective contact point 58 on the housing 10.
- transverse forces Qi to Q 4 are diverted into the housing. Only a tangential force Fi to F 4 directed perpendicular to the transverse force Qi to Q 4 is transmitted to the next ball 56 along the movement path 60 of the driver 26. The consequence of this is that the damper 54 or its piston rod 62 lying in the movement path 60 of the driver 26 is largely free of lateral force with the resulting tangential one Force F 4 is applied.
- the direction of the force F 4 acting on the piston rod 62 of the damper 54 is independent of how many balls 56 are present between the damper 54 and the driver 26.
- the direction of the force F 4 changes only very slightly through the screw-in depth of the respective stop 48, 50.
- Providing the balls 56 consequently ensures that the forces F acting on the stop 48, 50 or the damper 54, 62 are largely free of lateral forces Q are.
- the damper 54, 62 is acted upon in a largely axial direction.
- the damper 54, 62 is consequently acted upon largely uniformly regardless of the pivot angle to be set.
- the swivel angle can be changed in a simple manner, namely by changing the number of balls 56 and / or by changing the screw-in depth of the stops 48, 50.
Landscapes
- Engineering & Computer Science (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid-Damping Devices (AREA)
- Forklifts And Lifting Vehicles (AREA)
- Chair Legs, Seat Parts, And Backrests (AREA)
- Control Of Motors That Do Not Use Commutators (AREA)
- Pivots And Pivotal Connections (AREA)
- Vibration Dampers (AREA)
- Air Bags (AREA)
- Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05716321A EP1727989B1 (de) | 2004-03-23 | 2005-03-23 | Anschlagmodul für eine schwenkeinheit zum begrenzen einer schwenkbewegung und schwenkeinheit |
US10/593,416 US7730585B2 (en) | 2004-03-23 | 2005-03-23 | Stop module for a swiveling unit for delimiting a swiveling motion and corresponding swiveling unit |
DE502005005110T DE502005005110D1 (de) | 2004-03-23 | 2005-03-23 | Anschlagmodul für eine schwenkeinheit zum begrenzen einer schwenkbewegung und schwenkeinheit |
DK05716321T DK1727989T3 (da) | 2004-03-23 | 2005-03-23 | Anslagsmodul til en svingenhed til begrænsning af en svingbevægelse og svingenhed |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004015823A DE102004015823B4 (de) | 2004-03-23 | 2004-03-23 | Anschlagmodul für eine Schwenkeinheit zum Begrenzen einer Schwenkbewegung und Schwenkeinheit |
DE102004015823.1 | 2004-03-23 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005095804A1 true WO2005095804A1 (de) | 2005-10-13 |
Family
ID=34962968
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2005/003087 WO2005095804A1 (de) | 2004-03-23 | 2005-03-23 | Anschlagmodul für eine schwenkeinhit zum begrenzen einer schwenkbewegung und schwenkeinheit |
Country Status (8)
Country | Link |
---|---|
US (1) | US7730585B2 (de) |
EP (1) | EP1727989B1 (de) |
AT (1) | ATE405747T1 (de) |
DE (2) | DE102004015823B4 (de) |
DK (1) | DK1727989T3 (de) |
ES (1) | ES2311975T3 (de) |
PT (1) | PT1727989E (de) |
WO (1) | WO2005095804A1 (de) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102008002629A1 (de) * | 2008-06-25 | 2009-12-31 | Zf Friedrichshafen Ag | Drehschwingungsdämpfer für ein Kraftfahrzeugfahrwerk |
WO2021011329A1 (en) * | 2019-07-12 | 2021-01-21 | R.H. Sheppard Co., Inc. | End-of-travel relief in a power steering system |
Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2808375A1 (de) * | 1978-02-27 | 1979-08-30 | Suedhydraulik Marktoberdorf Ko | Drehkolbenzylinder mit justierbarer schwenkwinkelbegrenzung und endlagendaempfung |
JPS6023607A (ja) * | 1984-06-27 | 1985-02-06 | Hitachi Ltd | ロ−タリ−アクチュエ−タのストロ−ク長抑制方法 |
DE19511488A1 (de) * | 1995-03-29 | 1996-10-02 | Festo Kg | Fluidbetätigter Schwenkkolbenmotor |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS59222631A (ja) * | 1983-06-01 | 1984-12-14 | Nifco Inc | 回転ダンパ−装置 |
JP2544628B2 (ja) * | 1987-07-10 | 1996-10-16 | 株式会社 ニフコ | 回転ダンパ− |
US5064033A (en) * | 1989-06-29 | 1991-11-12 | Enidine Co., Ltd. | Rotary damper |
DE19825969A1 (de) * | 1998-04-22 | 1999-10-28 | Doma Tech Mainardi Ag Diepolds | Einrichtung zum Dämpfen der Bewegung eines pneumatischen Kolbens |
JP4582512B2 (ja) * | 2000-07-19 | 2010-11-17 | トックベアリング株式会社 | 回転ダンパ |
WO2003046405A1 (fr) * | 2001-11-27 | 2003-06-05 | Kabushiki Kaisha Somic Ishikawa | Amortisseur rotatif, partie d'automobile comprenant cet amortisseur et mecanisme auxiliaire de mouvement rotatif |
-
2004
- 2004-03-23 DE DE102004015823A patent/DE102004015823B4/de not_active Expired - Fee Related
-
2005
- 2005-03-23 EP EP05716321A patent/EP1727989B1/de active Active
- 2005-03-23 PT PT05716321T patent/PT1727989E/pt unknown
- 2005-03-23 ES ES05716321T patent/ES2311975T3/es active Active
- 2005-03-23 US US10/593,416 patent/US7730585B2/en active Active
- 2005-03-23 DK DK05716321T patent/DK1727989T3/da active
- 2005-03-23 DE DE502005005110T patent/DE502005005110D1/de active Active
- 2005-03-23 AT AT05716321T patent/ATE405747T1/de active
- 2005-03-23 WO PCT/EP2005/003087 patent/WO2005095804A1/de active IP Right Grant
Patent Citations (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2808375A1 (de) * | 1978-02-27 | 1979-08-30 | Suedhydraulik Marktoberdorf Ko | Drehkolbenzylinder mit justierbarer schwenkwinkelbegrenzung und endlagendaempfung |
JPS6023607A (ja) * | 1984-06-27 | 1985-02-06 | Hitachi Ltd | ロ−タリ−アクチュエ−タのストロ−ク長抑制方法 |
DE19511488A1 (de) * | 1995-03-29 | 1996-10-02 | Festo Kg | Fluidbetätigter Schwenkkolbenmotor |
Non-Patent Citations (1)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 009, no. 146 (M - 389) 21 June 1985 (1985-06-21) * |
Also Published As
Publication number | Publication date |
---|---|
EP1727989A1 (de) | 2006-12-06 |
US20070204432A1 (en) | 2007-09-06 |
ATE405747T1 (de) | 2008-09-15 |
DE502005005110D1 (de) | 2008-10-02 |
DE102004015823B4 (de) | 2008-09-04 |
PT1727989E (pt) | 2008-09-26 |
US7730585B2 (en) | 2010-06-08 |
DK1727989T3 (da) | 2008-11-10 |
DE102004015823A1 (de) | 2005-10-13 |
EP1727989B1 (de) | 2008-08-20 |
ES2311975T3 (es) | 2009-02-16 |
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