EP3016855A1 - Propeller-naben-pressverband - Google Patents
Propeller-naben-pressverbandInfo
- Publication number
- EP3016855A1 EP3016855A1 EP14739673.3A EP14739673A EP3016855A1 EP 3016855 A1 EP3016855 A1 EP 3016855A1 EP 14739673 A EP14739673 A EP 14739673A EP 3016855 A1 EP3016855 A1 EP 3016855A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- propeller
- propeller hub
- sleeve
- drive shaft
- drive device
- 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
Links
- 229910000906 Bronze Inorganic materials 0.000 claims description 4
- 229910000831 Steel Inorganic materials 0.000 claims description 4
- 239000010974 bronze Substances 0.000 claims description 4
- KUNSUQLRTQLHQQ-UHFFFAOYSA-N copper tin Chemical compound [Cu].[Sn] KUNSUQLRTQLHQQ-UHFFFAOYSA-N 0.000 claims description 4
- 239000010959 steel Substances 0.000 claims description 4
- 239000000463 material Substances 0.000 claims description 3
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 230000005540 biological transmission Effects 0.000 description 3
- 239000004918 carbon fiber reinforced polymer Substances 0.000 description 2
- 230000006835 compression Effects 0.000 description 2
- 238000007906 compression Methods 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 230000018109 developmental process Effects 0.000 description 2
- 238000003780 insertion Methods 0.000 description 2
- 230000037431 insertion Effects 0.000 description 2
- 238000005054 agglomeration Methods 0.000 description 1
- 230000002776 aggregation Effects 0.000 description 1
- 229910000963 austenitic stainless steel Inorganic materials 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 238000012790 confirmation Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 208000018459 dissociative disease Diseases 0.000 description 1
- 230000000149 penetrating effect Effects 0.000 description 1
- 230000037452 priming Effects 0.000 description 1
- 239000000523 sample Substances 0.000 description 1
- 239000011343 solid material Substances 0.000 description 1
- 229910001220 stainless steel Inorganic materials 0.000 description 1
- 239000010935 stainless steel Substances 0.000 description 1
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H1/00—Propulsive elements directly acting on water
- B63H1/02—Propulsive elements directly acting on water of rotary type
- B63H1/12—Propulsive elements directly acting on water of rotary type with rotation axis substantially in propulsive direction
- B63H1/14—Propellers
- B63H1/20—Hubs; Blade connections
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B63—SHIPS OR OTHER WATERBORNE VESSELS; RELATED EQUIPMENT
- B63H—MARINE PROPULSION OR STEERING
- B63H23/00—Transmitting power from propulsion power plant to propulsive elements
- B63H23/32—Other parts
- B63H23/34—Propeller shafts; Paddle-wheel shafts; Attachment of propellers on shafts
Definitions
- the invention relates to a driving apparatus 1 with the features defined in the preamble of claim 1.
- propeller drives in which a propeller hub with individually attached propeller blades is mounted on a drive shaft.
- a press connection of the propeller hub with the drive shaft allows the transmission of the comparatively large torques between the propeller hub and the drive shaft
- the specimens which are usually made of bronze or carbon fiber reinforced plastic, are screwed from the outside to the outside of the propeller hub.
- the propeller blades usually each have a foot which protrudes transversely to the connecting direction of the propeller blade and propeller hub over the outer contour of the propeller blade, whereby the screw connection of the propeller blade with the propeller hub takes place at this region of the foot projecting beyond the outer contour of the propeller blade.
- the feet required on the propeller jacks result in the propeller mats having a comparatively large outside diameter, and as the number of propeller blades of the propeller increases, an ever larger propeller hub is required.
- the object of the invention is therein; to provide a drive device of the type described above, the propeller of which compared to the previously customary Propeljern with the same
- the 'drive device according to the invention can in principle be used in any propeller driven vehicle, but is particularly suitable for an underwater vehicle and in particular for a military submarine.
- This drive device is equipped in a conventional manner with a drive shaft and a propeller arranged on the drive shaft.
- the propeller has a propeller hub connected to the drive shaft and at least two tester blades releasably attached to the propeller hub.
- the basic idea underlying the invention consists in screwing the propeller blades, starting from an inner side of the propeller hub, facing the drive shaft, to the propeller hub by means of cap screws.
- This type of screwing has the advantage that the previously required for screwing the propeller blade with the propeller hub on the propeller blades, protruding transversely to the connecting direction of the propeller blade and propeller hub on the outer contour of the propeller blade feet are no longer needed, resulting in
- the result is that in comparison to the previously known propellers of the type in Redd with the same number of PropeNer blatten Propellemaben can be used with a significantly smaller outer diameter or the propeller of the drive device according to the invention can have a larger number of propeller blades with the same size propeller hub.
- the propeller hub has through holes that extend in the radial direction through the propeller hub, while the propeller blades, which are expediently formed at least in an end region adjoining the propeller shaft made of a solid material, at its the propeller hub having radially threaded end contacting thread blind holes.
- the cap screws are guided from the inside of the propeller hub through the through holes formed on the probe hub and screwed into the blind holes formed on the propeller blades.
- the through holes formed at the propeller hub are provided here at their end adjacent to the inside of the propeller hub, preferably with cylindrical extensions into which the screw heads are countersunk.
- the propeller blades can be brought directly into contact with the outer circumferential surface of the propeller hub and screwed there with the propeller hub.
- recesses are formed on the outer circumferential surface of the propeller hub, into which the ends of the propeller blades engage.
- recesses extending in the radial direction are provided on the outer circumferential surface of the propeller hub, which are expediently dimensioned in such a way that the propeller blades inserted into the recesses are supported on the side walls of these recesses aligned transversely to the direction of insertion of the propeller blades.
- a particularly secure hold of the propeller blades in the recesses formed on the propeller hub can then be realized if, as provided in an advantageous development of the invention, the cross section of the recesses formed on the propeller hub continuously tapers in the direction of a central axis of the propeller hub and the shape of the engaging in the recesses ends of the propeller blades corresponds to the shape of the bus hub formed on the propeller hub.
- the propeller blades can be fixed in the recesses virtually in the manner of a splined connection, wherein in addition to the ForrtiBank by the engagement of the ends of the propeller blades in the recesses an additional adhesion between the propeller blades and the Propeller hub is generated.
- the 1 connection of the propeller hub to the drive shaft is preferably force-locking in Eorrri a press connection and particularly advantageous over a Druckölpress said of a simple release of the connection of the drive shaft and propeller hub, for example, for repair or replacement of the propeller allows for the drive device according to the invention:
- a Drucköjpress it is at the use of a Drucköjpress saides not expedient to form this directly between the propeller hub and the drive shaft; since the oil to be introduced into the intermediate space between the drive shaft around the propeller hub for the purpose of forming a pressure oil cushion can escape via the through holes formed on the propeller hub for screwing the propeller blades.
- the propeller hub of the drive device is preferably arranged over a between the propeller hub and the drive shaft Sleeve connected by means of a Druckölpress saides with the drive shaft, while the propeller hub is preferably connected via a transverse compression bandage with the sleeve.
- the drive shaft in the region of the arrangement of the propeller hub and the sleeve are preferably conically formed on the inside.
- the sleeve is preferably cylindrical in this case.
- the outer cylindricity of the sleeve makes it possible to use as a propeller hub an easily produced hollow-cylindrical inlay.
- a further and preferably additional measure for ensuring a required for the required torque transmission joint pressure between the propeller hub and the sleeve is advantageous to form the propeller hub from a Maiterial whose modulus of elasticity is greater than that of the material from which the sleeve is formed. That is, the propeller hub is preferably stiffer than the sleeve.
- the propeller hub is formed of an austenitic steel and the sleeve of bronze.
- austenitic steel for the propeller hub expediently a stainless steel, for.
- an austenitic stainless steel can be used.
- At least one of them is at least one in the radial direction on the propeller hub and the sleeve; formed extending through hole, wherein the two through holes are aligned with each other and form an oil supply line together with an insertion.
- two such through holes are provided on the propeller hub and the sleeve, which are formed in the vicinity of the axial ends of the propeller hub and sleeve.
- the at least one oil supply line in the contact area of the propeller hub and sleeve is pressure-tight sealed to prevent the oil from entering the joint between the propeller hub and the sleeve.
- a plurality of oil supply lines are provided, which are each sealed pressure-tight in the contact area of propeller hub and sleeve;
- the through holes formed on the sleeve are formed as threaded holes, in which a connectable with a hydraulic line Olein foundedstutzen is screwed.
- the screwing of the oil inlet nozzle into the threaded holes formed on the sleeve is typically carried out from the outside of the propeller hub, where they are each connected to a hydraulic line.
- the oil inlet nozzles are expediently dimensioned in such a way that they extend in radial direction. extend beyond the contact area of the propeller hub and the sleeve and seal off this contact area in a pressure-tight manner.
- 1 is a sectional perspective view from the outside a propeller
- Fig. 2 in a sectional perspective view of the mounted on a drive shaft propeller according to Fig. 1 and Fig. 3 in a longitudinal section of the propeller mounted on the drive shaft.
- the propeller 2 illustrated in FIG. 1 has a hollow cylindrical propeller hub 4, on whose outside a plurality of propeller blades are arranged, wherein in FIG. 1, for better clarity, only the end region of a propeller blade 6 adjoining the propeller hub 4 is shown is shown.
- the propeller hub 4 is made of austenitic steel.
- the 1 propeller blades 6 are made of carbon-fiber-reinforced plastic, wherein they have a metallic core 8 in an end region facing the propeller hub 4 (FIG. 3);
- recesses 10 are formed on the outer peripheral side of the propeller hub 4, into which the propeller blades 6 engage with their end sections 12 (see also FIG. 3).
- the recesses 10 delimiting side walls 14 of the recesses 10 are based on the engagement direction of the end portions 12 in the recesses 10 of the Propeller Lemabe 4 slightly bevelled, so that the cross section of the recesses 10 decreases with increasing depth of the recess 10.
- the shape of 'the Endabroughd 12 of the propeller blades 6 corresponding to the recesses of the Forrri 10th
- through holes 16 are respectively formed on the propeller hub 4 and extend from the inside of the propeller hub 4 to the respective recess 10. Adjacent to the inside of the propeller hub 4, the through-holes 16 each have a cylindrical extension 18. Corresponding to the position of the through holes 16 formed on the propeller hub 4 are on the propeller hub 4 radially facing side of the end portions 12 of the PropeNerdire 6 each four threaded blind holes 20 are formed which each hineinertiern in the metallic core 8 of the propeller blades 6.
- the through-holes 16 formed on the propeller hub 4 and the threaded blind holes 20 formed on the end sections 12 of the propeller blades 6 serve to receive cap screws 22 with which the propeller blades 6 are screwed to the propeller hub 4:
- the propeller 2 is fastened to a drive shaft 24 connected to a drive motor.
- the propeller 2 is attached to a portion 26 of the drive shaft, which is conical.
- a sleeve 28 is arranged at the portion 26 of the drive shaft 24, a sleeve 28 is arranged.
- This sleeve 28 is formed of bronze.
- the sleeve 28 has a conical inner volume.
- the sleeve 28 is cylindrical, wherein at a left in Fig. 3 end of the sleeve 28, a radially outwardly projecting Ringkrageri 30 is formed. UmifNicollich the sleeve 28 is surrounded by the propeller hub 4, which bears against the annular collar 30.
- D ' ⁇ ⁇ sleeve 28 is rotatably connected by means of a pressurized oil press fit with the drive shaft 24.
- a pressurized oil press fit For this purpose, it is necessary to build up an oil film in a joint 32 between the sleeve 28 and the portion 26 of the drive shaft 24.
- two oil inlet nozzles 32 are provided which are respectively guided through a through hole 34 extending radially through the propeller hub 4 and in an alignment therewith and extending radially through the sleeve 28 Through hole 36 are screwed.
- the ⁇ leinGermanstutzen 38 and the through holes 36 are sealed pressure-tight, so that no oil can penetrate into the contact area between the propeller hub 4 and the sleeve 28.
- On the outer ends of the propeller hub 4 projecting ends of the ⁇ leinschreibstutzen 38 jewejls a connection is provided, via which the relevant ⁇ leinSciencestutzen 38 with a hydraulic line, not shown, line-bar is bar.
- a pressing device 40 is used, which is arranged around a cylindrical portion 42 of the drive shaft 24, which lies in Fig. 3, left of the section 26 around. From Fig. 3 not visible, the Presseinrichtund 40 is secured against a liaxial movement.
- An annular space 44 which extends around the entire drive shaft 24, is formed on the pressing device 40.
- This annular space 44 is designed to be open in the direction of the sleeve 28 located next to the pressing device 40.
- an oil supply line 46 leads to the Ringraurri 44.
- an annular piston 48 is slidably mounted in the biaxial direction of the drive shaft 24; If oil is introduced into the ring guide 44 via the oil feed line 46, the ring piston 48 is ejected from the ring chamber 44. with the sleeve 28 being displaced in the direction of the increasing slope of the section 26 of the drive shaft 24.
- priming stresses which produce radial contact forces remain in the flared sleeve 28 and the raised hub 4. The contact forces transmitted by friction, the drive torque from the drive shaft 24 via the sleeve 28 on the propeller hub. 4
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Combustion & Propulsion (AREA)
- Ocean & Marine Engineering (AREA)
- Shafts, Cranks, Connecting Bars, And Related Bearings (AREA)
- Structures Of Non-Positive Displacement Pumps (AREA)
Abstract
Description
Claims
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102013212948.3A DE102013212948A1 (de) | 2013-07-03 | 2013-07-03 | Antriebsvorrichtung |
PCT/EP2014/001767 WO2015000572A1 (de) | 2013-07-03 | 2014-06-27 | Propeller-naben-pressverband |
Publications (2)
Publication Number | Publication Date |
---|---|
EP3016855A1 true EP3016855A1 (de) | 2016-05-11 |
EP3016855B1 EP3016855B1 (de) | 2018-02-21 |
Family
ID=51210402
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP14739673.3A Active EP3016855B1 (de) | 2013-07-03 | 2014-06-27 | Propeller-naben-pressverband |
Country Status (4)
Country | Link |
---|---|
EP (1) | EP3016855B1 (de) |
KR (1) | KR101857890B1 (de) |
DE (1) | DE102013212948A1 (de) |
WO (1) | WO2015000572A1 (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102022113278A1 (de) * | 2022-05-25 | 2023-11-30 | KSB SE & Co. KGaA | Rührwerkanordnung |
Family Cites Families (14)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1293056B (de) * | 1963-02-18 | 1969-04-17 | P & O Res & Dev Co | Keilnutlose Verbindung eines Schiffspropellers mit der Propellerwelle |
GB1036492A (en) * | 1964-05-04 | 1966-07-20 | John Michael Langham | Improvements in or relating to a marine propeller assembly and a method of mounting same |
US3470843A (en) * | 1966-07-07 | 1969-10-07 | Satterthwaite James G | Torque-journal hub propeller |
GB1209786A (en) * | 1967-12-11 | 1970-10-21 | Glacier Co Ltd | Stern constructions for marine vessels having propellers with detachable blades |
DE2302251A1 (de) * | 1972-01-24 | 1973-08-02 | Kanonerskij Sudoremontnyj Sawo | Schiffsschraube mit abnehmbaren fluegeln |
GB1455504A (en) * | 1974-02-15 | 1976-11-10 | Stone Manganese Marine Ltd | Marine propellers |
DE2535664C3 (de) * | 1975-08-09 | 1978-04-20 | Blohm + Voss Ag, 2000 Hamburg | Vorrichtung zum Montieren einer Schiffsschraube |
DE2550755C2 (de) * | 1975-11-12 | 1984-05-03 | Anton Piller Kg, 3360 Osterode | Laufrad für Axialgebläse |
GB1482375A (en) * | 1976-04-08 | 1977-08-10 | Stone Manganese Marine Ltd | Marine-propeller assemblies |
DE2828257A1 (de) * | 1978-06-28 | 1980-01-03 | Pilgrim Eng Dev | Verfahren zur befestigung einer schiffsschraube und anordnung hierfuer |
JPS63180399U (de) * | 1987-05-11 | 1988-11-22 | ||
DE4236253C2 (de) * | 1992-10-20 | 1997-05-15 | Sulzer Hydro Gmbh | Vorrichtung zum Verändern der Winkelstellung von Flügeln eines Schiffspropellers |
SE514094C2 (sv) * | 1999-05-19 | 2001-01-08 | Kamewa Ab | Fartygspropeller med löstagbart fastsatta blad |
CN103482047B (zh) * | 2013-10-09 | 2015-10-28 | 中国船舶重工集团公司第七0四研究所 | 桨叶分离螺距微调式四叶螺旋桨 |
-
2013
- 2013-07-03 DE DE102013212948.3A patent/DE102013212948A1/de not_active Withdrawn
-
2014
- 2014-06-27 KR KR1020167002851A patent/KR101857890B1/ko active IP Right Grant
- 2014-06-27 WO PCT/EP2014/001767 patent/WO2015000572A1/de active Application Filing
- 2014-06-27 EP EP14739673.3A patent/EP3016855B1/de active Active
Non-Patent Citations (1)
Title |
---|
See references of WO2015000572A1 * |
Also Published As
Publication number | Publication date |
---|---|
DE102013212948A1 (de) | 2015-01-08 |
KR20160027167A (ko) | 2016-03-09 |
EP3016855B1 (de) | 2018-02-21 |
WO2015000572A1 (de) | 2015-01-08 |
KR101857890B1 (ko) | 2018-05-14 |
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