EP1488111B1 - Linienförmiger, hydraulischer schwenkantrieb - Google Patents
Linienförmiger, hydraulischer schwenkantrieb Download PDFInfo
- Publication number
- EP1488111B1 EP1488111B1 EP03718601A EP03718601A EP1488111B1 EP 1488111 B1 EP1488111 B1 EP 1488111B1 EP 03718601 A EP03718601 A EP 03718601A EP 03718601 A EP03718601 A EP 03718601A EP 1488111 B1 EP1488111 B1 EP 1488111B1
- Authority
- EP
- European Patent Office
- Prior art keywords
- piston
- linear
- pivot drive
- drive according
- output shaft
- 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.)
- Expired - Lifetime
Links
- 230000033001 locomotion Effects 0.000 claims description 16
- 238000005096 rolling process Methods 0.000 claims description 3
- 125000006850 spacer group Chemical group 0.000 description 8
- 238000012423 maintenance Methods 0.000 description 4
- 238000006073 displacement reaction Methods 0.000 description 3
- 230000007246 mechanism Effects 0.000 description 3
- 230000002457 bidirectional effect Effects 0.000 description 2
- 230000005540 biological transmission Effects 0.000 description 2
- 238000009826 distribution Methods 0.000 description 2
- 244000007853 Sarothamnus scoparius Species 0.000 description 1
- 230000002411 adverse Effects 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 239000012530 fluid Substances 0.000 description 1
- 230000010354 integration Effects 0.000 description 1
- 239000005060 rubber Substances 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Images
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
- F15B15/02—Mechanical layout characterised by the means for converting the movement of the fluid-actuated element into movement of the finally-operated member
- F15B15/06—Mechanical layout characterised by the means for converting the movement of the fluid-actuated element into movement of the finally-operated member for mechanically converting rectilinear movement into non- rectilinear movement
- F15B15/068—Mechanical layout characterised by the means for converting the movement of the fluid-actuated element into movement of the finally-operated member for mechanically converting rectilinear movement into non- rectilinear movement the motor being of the helical type
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
- Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
- Y10T74/00—Machine element or mechanism
- Y10T74/18—Mechanical movements
- Y10T74/18056—Rotary to or from reciprocating or oscillating
Definitions
- the present invention relates to a linear, hydraulic pivot drive according to the preamble of claim 1.
- Such linear drives find e.g. for flap control aerodynamic Profile application. It is particularly advantageous that on conventional linkage or control rods that are outside the aerodynamic profile on the control flap are hinged and thus adversely affect the aerodynamic conditions, can be waived.
- a well-known drive for controlling a rotor blade aileron for example, in GB 2 299 562 A.
- To implement a hydraulically induced Axial movement of a shaft in a rotary motion is the shaft with a coarse thread Mistake.
- the coarse thread engages in several bushes, concentric the shaft surrounded so that the bushings undergo a rotation during axial displacement of the shaft.
- a torque support of the shaft is required to turn their To prevent rotation effectively.
- This causes, which holds the shaft.
- the mechanism includes several components, below Other separate holes in which the shaft are inserted, and retaining pins. A Such arrangement not only has relatively large dimensions, but also leads to intensive assembly and maintenance work.
- mini flaps which differs from conventional flaps with 10 - Distinguish 30% clean wing depth by a depth of only 1-3% have and as in a Sp Rudklappe from a fixed and a consisted part.
- An aerodynamic profile with such Mini flap is for example in our unpublished patent application DE 101 56th 733 described.
- a deflection of the mini flap with conventional levers would not only unfavorable flow conditions bring with it, but also a high Weight, as several levers would be required. Likewise, a high montagesowie Maintenance required.
- the flap actuator should be on a greater integration of the functional tasks of drive and load-bearing structure be aligned. In addition, there is a linear or area force or power distribution desirable to meet the flap specific requirements.
- the object of the present invention is to provide a linear, To create hydraulic rotary actuator, which has a small size and a simple structure, so that it can be integrated into existing structures and low maintenance required.
- a linear, hydraulic rotary actuator the a housing with connections for introducing a hydraulic medium comprises, a within the housing arranged piston, which by the action of the hydraulic Medium is axially displaceable, as well as provided with steep threads output shaft, which cooperates with the piston to the axial movement of the piston in a To transmit rotational movement, and according to the invention is characterized in that the output shaft is inserted in the piston, the coarse thread in the same direction are formed and engage in the piston, and that the piston cross section a Has polygon profile to effectively prevent a rotational movement of the piston.
- the piston cross section in the form of a polygon profile is the Torque support for preventing rotation of the piston by itself guaranteed.
- the polygon profile is in the engagement region of Output shaft and piston provided, i. in the cross-sectional area of the piston, where Output shaft and piston engage each other.
- the polygon profile be formed along the entire piston.
- the polygon profile is a P4C profile according to DIN standard.32712. It is particularly advantageous that the axial Displacement under torque is ensured. In this way are none additional mechanisms and components required to turn the piston to prevent. A simple structure is guaranteed. Furthermore, it is advantageous that by Such an embodiment of the rotary actuator much smaller than known Arrangements is. It is particularly useful in this case that the output shaft on both sides is introduced into the piston.
- the output shaft has two separate sections has, at their respectively engaging in the piston ends the same direction Steep thread are arranged. In this way it is achieved that the direction of rotation of the Output shaft sections is identical.
- the output shaft sections are rotationally symmetric via a spacer pin interconnected, wherein the spacer pin in each in the Output shaft sections provided holes is introduced. This is especially true With regard to assembly and maintenance advantageous.
- the piston is provided on both sides with threaded bushes into which the Steep thread of the output shaft sections engage.
- threaded bushes into which the Steep thread of the output shaft sections engage.
- the piston has a central bore through which the Distance pin is performed.
- the spacer pin is stored in a simple manner.
- a bearing can be arranged in the central bore.
- axial-radial bearings preferably rolling bearings, for storing the Output shaft provided.
- Alternative can be the axial and radial components as well be formed separately. These bearings allow a good reception of both axial as well as radial forces.
- the hydraulic medium can be introduced bidirectionally into the housing is what pivoting a hinged to the housing flap in allows different directions.
- the pivoting drive according to the invention finds particular to Klappenauslenkung Rotor blades or aircraft wings use. It is particularly advantageous the drive in a hinge connection of a hinged to an aerodynamic profile Integrate flap, with a plurality of such drives linear in the Articulated connection is integrated.
- the drive comprises a housing 2, the two terminals 3, 4 for a hydraulic medium (e.g., a fluid). Inside the housing 2 is a piston 5 and arranged with the piston 5 in connection with the output shaft 6. to better illustration, the housing 2 and the piston 5 in Figure 1 partially in shown sectional view.
- the output shaft 6 is inserted on both sides.
- the output shaft 6 is preferably at least two separate sections 6a, 6b. Each engaging in the piston 5 ends of the Output shaft sections 6a, 6b are with co-rotating coarse threads 8a, 8b Mistake. By the co-trained coarse thread 8a, 8b ensures that the direction of rotation of the two output shaft sections 6a, 6b is identical, as follows will be described in more detail.
- the piston 5 is correspondingly threaded on both sides 5a, 5b provided to the engagement of the drive shaft sections 6a, 6b in the piston 5 to guarantee.
- the threads 5a, 5b are in the form of threaded bushings designed.
- the two output shaft sections 6a, 6b over a spacer pin 7 rotationally symmetrical with each other (Fig. 2).
- the Piston 5 is provided with a central bore 10 in which the spacer pin 7, preferably using a sealing ring 11, stores.
- the spacer pin 7 is in corresponding, introduced in the output shaft sections 6a, 6b holes 9a, 9b introduced.
- a bias of the spacer pin 7 can by suitable elastic Elements 16 (e.g., rubbers or the like) can be achieved as well as into the bores 9a, 9b are introduced.
- suitable elastic Elements 16 e.g., rubbers or the like
- the storage of the axle package within the housing 2 must be part of the axially through catch the force generated by the piston 5.
- the output shaft 6 must be in radial Be led direction. This is done by axial-radial bearings, which are shown in Figs. 1 and 2 with Reference numerals 12 and 13 are designated.
- the axial or radial Components of the bearings to be formed separately.
- rolling bearings used.
- the bearings 12, 13 are typically integrated into the housing covers 14, 15, which close the housing 2 in each case on both sides tight. The dimensions of the individual components coordinated so that the axle pack through the Housing cover 14, 15 axially biased in conjunction with the elastic member 16 is.
- Cross-section of the piston 5 has for this purpose a polygonal profile, preferably a P4C profile according to DIN standard 32712.
- the polygon profile extends substantially over the cross-sectional area provided with the threads 5a, 5b; i.e. the polygon profile is arranged substantially where the coarse thread 8a, 8b of the output shaft. 6 engage in the piston 5.
- this is also the term "intervention area” used.
- the polygon profile can also over the entire length of the piston 5 extend.
- a sectional view of the piston 5 along that shown in Fig. 2 Line D, D ' is shown in FIG.
- Such a polygon profile allows that on the one hand enough power is transmitted to the output shaft. On the other hand is by ensures a so-called "slippage" of the output shaft 6, which in turn a Turning the piston 5 prevented.
- Fig. 4 shows an application of the pivoting drive according to the invention for deflection a so-called mini flap.
- the rear end of an aerodynamic profile 20 shown schematically.
- a flap 22 At the bottom 21 of the profile 20 is a flap 22 via a hinged joint 23 hinged.
- the pivot axis 24 of the hinge connection 23 runs parallel to the trailing edge 25 of the profile.
- inventive Part-turn actuators 1 arranged linear or rod-shaped.
- the connections 3, 4 of the individual Part-turn actuators 1 are preferably supplied in parallel.
- the inlet of the hydraulic Medium is again bidirectional, depending on the desired pivoting direction. By Such an arrangement, the operating forces are introduced surface and not how until now selectively.
- the in Fig. 4 shown "broom handle assembly" are integrated into the hinge joint 23.
- Integrated, rotationally symmetric actuator systems are already smaller with diameters 28 mm.
- the diameter of the pivot drive not more than 20 mm.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Actuator (AREA)
- Hydraulic Motors (AREA)
Description
- Fig.1
- eine schematische dreidimensionale Darstellung des erfindungsgemäßen Schwenkantriebs;
- Fig. 2
- eine Schnittansicht des erfindungsgemäßen Schwenkantriebs;
- Fig. 3
- eine Querschnittsansicht des in dem erfindungsgemäßen Schwenkantriebs verwendeten Kolben; und
- Fig. 4
- mehrere, linienförmig angeordnete Schwenkantriebe, die in eine Gelenkverbindung einer an einem aerodynamischen Profil angelenkten Klappe integriert sind.
Claims (15)
- Linienförmiger, hydraulischer Schwenkantrieb (1), umfassendein Gehäuse (2) mit Anschlüssen (3, 4) zum Einführen eines hydraulischen Mediums;einen innerhalb des Gehäuses (2) angeordneten Kolben (5), der durch Einwirken des hydraulischen Mediums axial verschiebbar ist;eine mit Steilgewinden (8a, 8b) versehene Abtriebswelle (6), die mit dem Kolben (5) zusammenwirkf, um die axiale Bewegung des Kolbens (5) in eine Rotationsbewegung zu übertragen,
die Abtriebswelle (6) zwei separate Teilabschnitte (6a, 6b) aufweist, die beidseitig in den Kolben (5) eingebracht sind und über gleichsinnig ausgebildete Steilgewinde (8a, 8b) in den Kolben (5) eingreifen, so dass an beiden Teilabschnitten (6a, 6b) ein Drehmoment mit identischer Drehrichtung abgreifbar ist, wobei zum Verhindern einer Drehbewegung des Kolbens (5) der Kolbenquerschnitt ein Polygon-Profil aufweist. - Linienförmiger, hydraulischer Schwenkantrieb nach Anspruch 1 , dadurch gekennzeichnet, dass das Polygon-Profil im Wesentlichen im Eingriffsbereich von Abtriebswelle (6) und Kolben (5) vorgesehen ist.
- Linienförmiger, hydraulischer Schwenkantrieb nach Anspruch 1, dadurch gekennzeichnet, dass das Polygon-Profil ein P4C-Profil ist.
- Linienförmiger, hydraulischer Schwenkantrieb nach Anspruch 1, dadurch gekennzeichnet, dass die Abtriebswelle (6) zwei separate Abschnitte (6a, 6b) aufweist, an deren jeweils in den Kolben (5) eingreifenden Enden die gleichsinnigen Steilgewinde (8a, 8b) angeordnet sind.
- Linienförmiger, hydraulischer Schwenkantrieb nach Anspruch 4, dadurch gekennzeichnet, dass die Abtriebswellenabschnitte (6a, 6b) über einen Distanzstift (7) rotationssymmetrisch miteinander verbunden sind, wobei der Distanzstift (7) in jeweilige Bohrungen (9a, 9b) der Abtriebswellenabschnitte (6a, 6b) eingeführt ist.
- Linienförmiger, hydraulischer Schwenkantrieb nach Anspruch 1, dadurch gekennzeichnet, dass der Kolben (5) beidseitig mit Gewindebuchsen (5a, 5b) versehen ist, in die die Steilgewinde (8a, 8b) der Abtnebswellenabschnitte (6a, 6b) eingreifen.
- Linienförmiger, hydraulischer Schwenkantrieb nach Anspruch 5, dadurch gekennzeichnet, dass der Kolben (5) eine zentrale Bohrung (10) zum Führen des Distanzstiftes (7) aufweist.
- Linienförmiger, hydraulischer Schwenkantrieb nach Anspruch 1, dadurch gekennzeichnet, dass Axial-Radial-Lager (12, 13) zur Lagerung der Abtriebswelle (6) vorgesehen sind.
- Linienförmiger, hydraulischer Schwenkantrieb nach Anspruch 8, dadurch gekennzeichnet, dass die Axial-Radial-Lager (12, 13) Wälzlager sind.
- Linienförmiger, hydraulischer Schwenkantrieb nach Anspruch 8, dadurch gekennzeichnet, dass die Axial-Radial-Lager (12, 13) in Gehäusedeckel (14, 15) integriert sind, wobei die Gehäusedeckel (14, 15) das Gehäuse (2) beidseitig abschließen.
- Linienförmiger, hydraulischer Schwenkantrieb nach Anspruch 1, dadurch gekennzeichnet, dass das hydraulische Medium bidirektional in das Gehäuse (2) einführbar ist.
- Linienförmiger, hydraulischer Schwenkantrieb, dadurch gekennzeichnet, dass mehrere Antriebe (1) gemäß den Ansprüchen 1 bis 12 linien- bzw. stabförrnig angeordnete sind, um eine gleichmäßige Kraftübertragung entlang der linienförmigen Erstreckung zu erhalten.
- Linienförmiger, hydraulischer Schwenkantrieb nach Anspruch 12, dadurch gekennzeichnet, dass die hydraulischen Anschlüsse (3, 4) der einzelnen Antriebe (1) parallel verschaltet sind.
- Verwendung des Antriebs nach einem der Ansprüche 1 bis 12 zur Auslenkung von Klappen aerodynamischer Profile, insbesondere Rotorblätter und Flugzeugtragflächen.
- Verwendung des Antriebs nach einem der Ansprüche 1 bis 12 zur Auslenkung einer über eine Gelenkverbindung (23) an ein aerodynamisches Profil (20) angelenkte Klappe (22), wobei eine Mehrzahl derartiger Antriebe (1) linienförmig in die Gelenkverbindung (23) integriert ist.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE10207830A DE10207830B4 (de) | 2002-02-25 | 2002-02-25 | Linienförmiger, hydraulischer Schwenkantrieb |
DE10207830 | 2002-02-25 | ||
PCT/DE2003/000541 WO2003072955A1 (de) | 2002-02-25 | 2003-02-21 | Linienförmiger, hydraulischer schwenkantrieb |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1488111A1 EP1488111A1 (de) | 2004-12-22 |
EP1488111B1 true EP1488111B1 (de) | 2005-12-07 |
Family
ID=27740373
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP03718601A Expired - Lifetime EP1488111B1 (de) | 2002-02-25 | 2003-02-21 | Linienförmiger, hydraulischer schwenkantrieb |
Country Status (7)
Country | Link |
---|---|
US (1) | US7028602B2 (de) |
EP (1) | EP1488111B1 (de) |
JP (1) | JP4227527B2 (de) |
CA (1) | CA2476903C (de) |
DE (2) | DE10207830B4 (de) |
ES (1) | ES2251683T3 (de) |
WO (1) | WO2003072955A1 (de) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005033697A1 (de) * | 2005-07-19 | 2007-03-22 | Airbus Deutschland Gmbh | Ruderantrieb |
DE202006016354U1 (de) | 2006-10-23 | 2008-02-28 | Asturia Automotive Systems Ag | Einrichtung zum Ausgleich und/oder zur Übertragung von Kräften/Momenten und Drehbewegungen zwischen zwei Bauteilen |
FI120917B (fi) * | 2008-02-08 | 2010-04-30 | Kinshofer Gmbh | Hydraulisesti toimiva kääntölaite |
EP2703288B1 (de) | 2012-08-31 | 2018-03-14 | Claverham Limited | Elektromechanischer linearer Aktuator für Rotorsteuerung im Blatt |
KR101637037B1 (ko) * | 2014-12-22 | 2016-07-07 | 김선규 | 유압 실린더 |
CN106151152A (zh) * | 2015-03-12 | 2016-11-23 | 盐城工业职业技术学院 | 四工位双作用液压缸 |
JP6780819B2 (ja) * | 2017-10-03 | 2020-11-04 | Smc株式会社 | 回転ユニット及び該回転ユニットを備えたシリンダ装置 |
KR102124335B1 (ko) * | 2018-09-06 | 2020-06-19 | 주식회사 포스코 | 분리장치 및 분리방법 |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE26813C (de) * | C. WETTER in London | Neuerung an Elektromagneten und Magnetkernen für dynamo-elektrische Maschinen und ähnliche Apparate | ||
DE1024804B (de) * | 1956-09-18 | 1958-02-20 | Ernst Heinkel Fahrzeugbau G M | Hydraulischer Klappenantrieb, insbesondere fuer Flugzeuge |
DD26813A1 (de) * | 1962-04-16 | 1964-01-27 | Hydraulischer Drehwinkelmotor | |
US4603616A (en) * | 1983-05-25 | 1986-08-05 | Zaytran Inc. | Rotary actuator |
GB2299562A (en) | 1995-04-01 | 1996-10-09 | Nigel Howard Mckrill | Actuator for helicopter rotor blade aileron |
DE19628117C2 (de) * | 1996-07-12 | 1998-05-14 | Walter Voss Gmbh Armaturenfabr | Drehantrieb, insbesondere Schwenkmotor |
DE10156733B4 (de) * | 2001-11-19 | 2006-04-20 | Eads Deutschland Gmbh | Aerodynamisches Profil mit verstellbarer Klappe |
-
2002
- 2002-02-25 DE DE10207830A patent/DE10207830B4/de not_active Expired - Fee Related
-
2003
- 2003-02-21 WO PCT/DE2003/000541 patent/WO2003072955A1/de active IP Right Grant
- 2003-02-21 CA CA2476903A patent/CA2476903C/en not_active Expired - Fee Related
- 2003-02-21 EP EP03718601A patent/EP1488111B1/de not_active Expired - Lifetime
- 2003-02-21 JP JP2003571610A patent/JP4227527B2/ja not_active Expired - Fee Related
- 2003-02-21 US US10/505,678 patent/US7028602B2/en not_active Expired - Fee Related
- 2003-02-21 ES ES03718601T patent/ES2251683T3/es not_active Expired - Lifetime
- 2003-02-21 DE DE50301861T patent/DE50301861D1/de not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CA2476903A1 (en) | 2003-09-04 |
US20050178927A1 (en) | 2005-08-18 |
DE50301861D1 (de) | 2006-01-12 |
CA2476903C (en) | 2010-11-23 |
JP4227527B2 (ja) | 2009-02-18 |
US7028602B2 (en) | 2006-04-18 |
JP2005525516A (ja) | 2005-08-25 |
DE10207830A1 (de) | 2003-09-11 |
ES2251683T3 (es) | 2006-05-01 |
EP1488111A1 (de) | 2004-12-22 |
WO2003072955A1 (de) | 2003-09-04 |
DE10207830B4 (de) | 2004-07-01 |
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