WO2005103503A1 - Radialer schwenkmotor und verfahren zu seiner herstellung - Google Patents
Radialer schwenkmotor und verfahren zu seiner herstellung Download PDFInfo
- Publication number
- WO2005103503A1 WO2005103503A1 PCT/DE2005/000681 DE2005000681W WO2005103503A1 WO 2005103503 A1 WO2005103503 A1 WO 2005103503A1 DE 2005000681 W DE2005000681 W DE 2005000681W WO 2005103503 A1 WO2005103503 A1 WO 2005103503A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- stator
- housing
- stator housing
- wing
- blades
- 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
Definitions
- the invention relates to a swivel motor according to the preamble of claim 1 and to a corresponding manufacturing method according to the preamble of claim 7.
- Such swivel motors are used in particular in the aerospace and motor vehicle industries to perform a wide variety of tasks.
- a preferred field of application is the vehicle industry, in which the swivel motor, in conjunction with stabilizers, serves to stabilize the roll of a motor vehicle.
- Such a swivel motor is described for example in DE 197 25 412 C2.
- This swivel motor consists of a stator, which is connected to a first stabilizer part, and a rotor, which is connected to a second stabilizer part.
- the stator has two radially aligned stator vanes and the rotor has two likewise radial rotor vanes.
- the two stator blades and the two rotor blades in conjunction with two end covers form two opposing hydraulic working chambers, so that the stator blades and the rotor blades can be pivoted to one another to a limited extent against the hydraulic load in one of the two working chambers.
- each stator wing is equipped with a frame sealing element which is inserted in the stator wing and lies sealingly on the outer circumference of the rotor, while each rotor wing carries an identical frame sealing element which lies sealingly on the inner circumference of the stator.
- stator and the two stator blades are made in one piece, so that there is a complicated contour of the inner surfaces. These inner surfaces have different tasks to be performed, the side surfaces of the stator blades being designed for a pure stop function, while the inner peripheral surfaces of the stator act as sliding and sealing surfaces.
- a cold extruded tube is used as the starting part, which is first turned to the appropriate lengths of a stator housing.
- the inner contour of each blank is then finished in three passes using the broaching manufacturing process.
- a swivel motor equipped with such a stator does not achieve its performance parameters because, because of the roughness of the sealing surfaces, the internal tightness between the pressure-carrying working chamber and the unpressurized working chamber cannot be guaranteed. Due to the rough surface of the stator, the frame sealing elements are also subject to greater wear, so that the swivel motor also has a limited service life. Furthermore, the manufacture of such a stator is particularly by Broaching processes are technically very complex and expensive.
- the invention is therefore based on the object of improving the surface quality of the inner peripheral surfaces of the stator of a generic swivel motor and at the same time reducing the production outlay.
- FIG. 1 shows a radial swivel motor in longitudinal section
- FIG. 2 shows the swivel mor in a first embodiment in cross section
- FIG. 3 shows the stator housing according to FIG. 2 in perspective
- FIG. 4 shows a stator wing according to FIG. 2 in perspective
- 5 the swivel motor in a second embodiment in cross section
- 6 a shape of the stator housing according to FIG. 5 in perspective
- FIG. 9 the stator housing of a third embodiment of the swivel motor in perspective
- FIG. 10 a stator wing of the third embodiment in perspective
- FIG. 11 the swivel motor in a fourth embodiment in cross section
- FIG. 12 the stator according to FIG 11 in one perspective.
- the swivel motor consists of a stator 1 and a rotor 2, the stator 1 being connected on the one hand to a first stabilizer part 3 and the rotor 2 on the other hand being connected to a second stabilizer part 4.
- the stator 1 consists of a cylindrical stator housing 5, a first stator cover 6 arranged on the one hand of the stator housing 5 and a second stator cover 7 located on the other hand of the stator housing 5. Both stator covers 6, 7 are firmly screwed to the stator housing 5 and are each equipped with a continuous bearing bore.
- a rotor shaft 8 of the rotor 2 is rotatably fitted into the opposite bearing bores of the two stator covers 6, 7 and is hydraulically sealed from the two stator covers 6, 7 via corresponding sealing elements 9, 10.
- the rotor 2 has two opposite rotor blades 11. These rotor blades 11 are formed in one piece with the rotor shaft 8 and their radially aligned heads are matched to the inner wall of the stator housing 5. For this purpose, each rotor blade 11 is provided with a groove-shaped recess extending over its entire axial length, in which a frame sealing element 12 is inserted.
- This frame sealing element 12 consists in a known manner of a plastic with an elastomeric core and a circumferential sealing frame, preferably of a PTFE. This frame sealing element 12 lies in a sealing manner with one of its long legs on the inner circumferential surface of the stator housing 5 and with its two short legs on both stator covers 6, 7.
- stator housing 5 two opposing stator vanes 13 are inserted, each of which is also equipped with a groove-shaped recess that extends over its entire axial length.
- a frame sealing element 12 is also fitted into this recess, which rests in a sealing manner with one of its long legs on the outer circumferential surface of the rotor shaft 8 and with its two short legs on both stator covers 6, 7.
- two opposite and pressure-equal pressure chambers 14 and two opposite and pressure-equal discharge chambers 15 are formed, which are variable in volume due to the limited relative pivotability between the stator blades 13 and the rotor blades 11.
- the pressure equality of the respective opposite pressure chambers 14 or discharge chambers 15 is achieved by connecting channels 16 introduced into the rotor shaft 8.
- stator housing 5 and the two stator blades 13 are now designed in two parts in a special way.
- the stator housing 5 is designed as a tube and has two opposite and longitudinal receiving slots 17 with a limited length for the two stator blades 13. Accordingly, each stator blade 13 according to FIG. 4 has a longitudinal receiving spring 18 equipped.
- everyone owns Receiving slot 17 has a circumferential conical surface which enlarges the receiving slot 17 in the radial direction from the inside diameter to the outside diameter of the stator housing 5.
- each receiving spring 18 of the stator vane 13 has a circumferential conical surface, which decreases in the radial direction from the inside to the outside.
- the inner dimensions of the receiving slot 17 and the outer dimensions of the receiving spring 18 are matched to one another such that the smaller dimensions of the receiving slot 17 and the larger dimensions of the receiving spring 18 are suitable for one another.
- the cone angle is selected such that a groove suitable for a weld seam 19 results in the fitted state.
- the tubular stator housing 5 has two opposing splines 20 extending over the length of the stator housing 5.
- the splines 20 also have a dovetail shape in cross section.
- the stator vane 13 according to FIG. 8 is provided with external dimensions, which enables the stator vane 13 to be inserted axially into the corresponding keyway 20 and prevents it from falling radially out of the keyway 20.
- the wedge angles of the keyways 20 and the outer shape of the stator vane 13 are of the same size and are selected such that a clamping and self-locking frictional engagement occurs.
- a clamping and self-locking frictional connection between the stator housing 5 and each stator blade 13 can be achieved by two parallel and rectified keyways 20 'in the stator housing 5 and corresponding wedge springs in the stator blade 13.
- the two stator vanes 13 are screwed to the tubular stator housing 5 and additionally secured in their position.
- the position is secured by a pass groove 21 in Stator housing 5 and a feather key 22 on the stator wing 13.
- a pin-hole locking device can also be used.
- each stator blade 13 is equipped with at least one longitudinal groove for a sealing element 23.
- the tubular stator housing 5 has a position securing groove 24, which extends over the entire axial length, for each stator vane 13, while the stator vane 13 is designed as a feather key in its outer region.
- the position securing groove 24 of the stator housing 5 and the feather key area of the stator vane 13 form a tongue and groove connection which exclusively takes on the task of securing against rotation.
- the anti-rotation device can also consist of two parallel position securing grooves 24 'in the stator housing 5 and, accordingly, two feather keys in the stator wing 13.
- stator vane 13 In the area of its side faces protruding from the stator housing 5, the stator vane 13 is designed in a wedge shape over its entire axial length.
- a spacer shell 25 is inserted between the two stator blades 13, which are inserted in the stator housing 5 in a manner that prevents them from rotating, and the side surfaces of which are also wedge-shaped.
- the wedge angles of the side surfaces of the stator blades 13 and the side surfaces of the spacer shell 25 are of the same size and are selected such that the axial insertion of the spacer shells 25 creates a clamping and self-locking frictional connection.
- Such a stator 1 is manufactured as follows.
- a commercially drawn and internally honed tube is used as the starting product for the manufacture of the stator housing 5 in the first three Embodiments according to FIGS. 1 to 10.
- the tube is turned to the corresponding lengths of the stator housing 5. Thereafter, the receiving slot 17 for the first embodiment, the splines 20, 20 'for the second embodiment or the fitting groove 21 and the mounting holes for the third embodiment are machined into the stator housing 5 in a conventional manner.
- stator blades 13 are manufactured in a conventional manner with the appropriate dimensions and shapes and inserted into the stator housing 5.
- stator housing 5 and the stator vane 13 are welded together in the first embodiment by a low-distortion welding, pressed together in the second embodiment or secured in position and screwed together in the third embodiment.
- the two end faces of the completed stator 1 are planned in a conventional manner and the provided cover bores and sealing grooves are introduced.
- stator housing 5 in the fourth embodiment according to FIGS. 11 and 12 As a starting product for the production of the stator housing 5 in the fourth embodiment according to FIGS. 11 and 12, a commercially available tube is used that does not have to meet any special requirements for the surface quality of the inner peripheral surface.
- the position securing grooves 24 according to FIG. 11 or the position securing grooves 24 ′ according to FIG. 12 are then introduced into the stator housing 5.
- stator vanes 13 are connected in a conventional manner to the Position securing grooves 24, 24 'adapted dimensions and shapes made and inserted into the stator 5.
- the spacer shells 25 are produced in a conventional manner and in such dimensions and in such a shape that they each fit between the two stator blades 13 using an axially acting contact force and thereby lie over the entire surface of the inner circumferential surface of the stator housing 5.
- stator blades 13 are inserted into the position securing grooves 24, 24 'and then pressed against one another with the aid of the spacer shells 25 until self-locking.
Landscapes
- Engineering & Computer Science (AREA)
- Physics & Mathematics (AREA)
- Fluid Mechanics (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Manufacture Of Motors, Generators (AREA)
- Actuator (AREA)
- Motor Or Generator Frames (AREA)
- Forging (AREA)
- Iron Core Of Rotating Electric Machines (AREA)
- Hydraulic Motors (AREA)
- Exhaust Silencers (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP05742373A EP1738081B1 (de) | 2004-04-22 | 2005-04-14 | Radialer schwenkmotor und verfahren zu seiner herstellung |
US11/568,215 US20080124229A1 (en) | 2004-04-22 | 2005-04-14 | Radial Swivel Motor and Process for Manufacturing Same |
DE502005005811T DE502005005811D1 (de) | 2004-04-22 | 2005-04-14 | Radialer schwenkmotor und verfahren zu seiner herstellung |
JP2007508721A JP2007533903A (ja) | 2004-04-22 | 2005-04-14 | ラジアル旋回モータおよび該ラジアル旋回モータを製作するための方法 |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102004020190A DE102004020190A1 (de) | 2004-04-22 | 2004-04-22 | Radialer Schwenkmotor und Verfahren zu seiner Herstellung |
DE102004020190.0 | 2004-04-22 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2005103503A1 true WO2005103503A1 (de) | 2005-11-03 |
Family
ID=34967535
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/DE2005/000681 WO2005103503A1 (de) | 2004-04-22 | 2005-04-14 | Radialer schwenkmotor und verfahren zu seiner herstellung |
Country Status (8)
Country | Link |
---|---|
US (1) | US20080124229A1 (de) |
EP (1) | EP1738081B1 (de) |
JP (1) | JP2007533903A (de) |
KR (1) | KR20070002087A (de) |
CN (1) | CN101031727A (de) |
AT (1) | ATE412827T1 (de) |
DE (2) | DE102004020190A1 (de) |
WO (1) | WO2005103503A1 (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009109283A1 (de) * | 2008-03-01 | 2009-09-11 | Ixetic Hückeswagen Gmbh | Schwenkmotorgehäuse |
Families Citing this family (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102006014140A1 (de) | 2006-03-28 | 2007-10-04 | Zf Friedrichshafen Ag | Verfahren zum Herstellen eines Schwenkaggregats |
WO2009012915A1 (de) * | 2007-07-26 | 2009-01-29 | Ixetic Bad Homburg Gmbh | Schwenkmotor |
CN102280976B (zh) * | 2010-06-10 | 2013-01-23 | 怀特(中国)驱动产品有限公司 | 定子的加工工艺方法 |
JP2012117625A (ja) * | 2010-12-02 | 2012-06-21 | Isel Co Ltd | 直動軸受装置 |
SE538285C2 (sv) | 2012-05-18 | 2016-04-26 | Turnset Ab | Kring en vridningsaxel vridbart arrangemang |
CN102922243A (zh) * | 2012-12-04 | 2013-02-13 | 怀特(中国)驱动产品有限公司 | 整体式定子的加工方法 |
CN103352892A (zh) * | 2013-07-19 | 2013-10-16 | 武汉科技大学 | 一种可径向拆解的叶片式液压摆动缸 |
DE102013223343A1 (de) | 2013-11-15 | 2015-05-21 | Zf Friedrichshafen Ag | Bauteil für einen Schwenkmotor |
CN103711638B (zh) * | 2013-12-30 | 2016-04-06 | 北京航空航天大学 | 压力油膜密封摆叶马达 |
CN104564892B (zh) * | 2015-01-15 | 2017-01-04 | 合肥工业大学 | 一种用于主动稳定杆的双叶片摆动液压马达 |
CN104747365A (zh) * | 2015-04-03 | 2015-07-01 | 合肥工业大学 | 一种液压摆动马达 |
CN106499690B (zh) * | 2016-11-01 | 2018-11-20 | 北京航空航天大学 | 一种框型密封的液压摆动马达 |
CN107893726A (zh) * | 2017-12-14 | 2018-04-10 | 浙江腾荣环保科技有限公司 | 一种新型液压驱动转盘 |
CN110219771A (zh) * | 2019-05-06 | 2019-09-10 | 南京理工大学 | 嵌套式叶片摆动液压马达 |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2793623A (en) | 1956-02-14 | 1957-05-28 | Ex Cell O Corp | Hydraulic motor having adjustable cushioning means |
DE2905193A1 (de) | 1979-02-12 | 1980-08-21 | Rogatti Fa Harri | Druckmittelbetaetigter drehantrieb |
US4492150A (en) | 1983-07-01 | 1985-01-08 | Yates Harlan W | Actuator for mechanical apparatus |
JPH10281108A (ja) | 1997-03-31 | 1998-10-20 | Taiyo Giken Kk | ロータリーベーンアクチュエータ |
US5979163A (en) | 1997-12-29 | 1999-11-09 | Circular Motion Controls, Inc. | Rotationally pivotal motion controller |
DE19725412C2 (de) | 1997-06-17 | 2001-02-22 | Pnp Luftfedersysteme Gmbh | Radialer Schwenkmotor |
Family Cites Families (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US860461A (en) * | 1907-01-03 | 1907-07-16 | John B Sinclair | Engine. |
JPS4951986U (de) * | 1972-08-16 | 1974-05-08 |
-
2004
- 2004-04-22 DE DE102004020190A patent/DE102004020190A1/de not_active Ceased
-
2005
- 2005-04-14 AT AT05742373T patent/ATE412827T1/de not_active IP Right Cessation
- 2005-04-14 JP JP2007508721A patent/JP2007533903A/ja active Pending
- 2005-04-14 DE DE502005005811T patent/DE502005005811D1/de not_active Expired - Fee Related
- 2005-04-14 KR KR1020067023328A patent/KR20070002087A/ko not_active Application Discontinuation
- 2005-04-14 EP EP05742373A patent/EP1738081B1/de not_active Not-in-force
- 2005-04-14 WO PCT/DE2005/000681 patent/WO2005103503A1/de active Application Filing
- 2005-04-14 CN CNA2005800123725A patent/CN101031727A/zh active Pending
- 2005-04-14 US US11/568,215 patent/US20080124229A1/en not_active Abandoned
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2793623A (en) | 1956-02-14 | 1957-05-28 | Ex Cell O Corp | Hydraulic motor having adjustable cushioning means |
DE2905193A1 (de) | 1979-02-12 | 1980-08-21 | Rogatti Fa Harri | Druckmittelbetaetigter drehantrieb |
US4492150A (en) | 1983-07-01 | 1985-01-08 | Yates Harlan W | Actuator for mechanical apparatus |
JPH10281108A (ja) | 1997-03-31 | 1998-10-20 | Taiyo Giken Kk | ロータリーベーンアクチュエータ |
DE19725412C2 (de) | 1997-06-17 | 2001-02-22 | Pnp Luftfedersysteme Gmbh | Radialer Schwenkmotor |
US5979163A (en) | 1997-12-29 | 1999-11-09 | Circular Motion Controls, Inc. | Rotationally pivotal motion controller |
Non-Patent Citations (1)
Title |
---|
PATENT ABSTRACTS OF JAPAN vol. 1999, no. 01 29 January 1999 (1999-01-29) * |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2009109283A1 (de) * | 2008-03-01 | 2009-09-11 | Ixetic Hückeswagen Gmbh | Schwenkmotorgehäuse |
Also Published As
Publication number | Publication date |
---|---|
JP2007533903A (ja) | 2007-11-22 |
DE502005005811D1 (de) | 2008-12-11 |
KR20070002087A (ko) | 2007-01-04 |
DE102004020190A1 (de) | 2005-12-22 |
US20080124229A1 (en) | 2008-05-29 |
CN101031727A (zh) | 2007-09-05 |
EP1738081A1 (de) | 2007-01-03 |
ATE412827T1 (de) | 2008-11-15 |
EP1738081B1 (de) | 2008-10-29 |
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