EP2525916A2 - Antriebsvorrichtung in einer schneckenzentrifuge - Google Patents
Antriebsvorrichtung in einer schneckenzentrifugeInfo
- Publication number
- EP2525916A2 EP2525916A2 EP11730245A EP11730245A EP2525916A2 EP 2525916 A2 EP2525916 A2 EP 2525916A2 EP 11730245 A EP11730245 A EP 11730245A EP 11730245 A EP11730245 A EP 11730245A EP 2525916 A2 EP2525916 A2 EP 2525916A2
- Authority
- EP
- European Patent Office
- Prior art keywords
- drive
- housing
- drive device
- shaft
- gear
- 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
Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B9/00—Drives specially designed for centrifuges; Arrangement or disposition of transmission gearing; Suspending or balancing rotary bowls
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B04—CENTRIFUGAL APPARATUS OR MACHINES FOR CARRYING-OUT PHYSICAL OR CHEMICAL PROCESSES
- B04B—CENTRIFUGES
- B04B1/00—Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles
- B04B1/20—Centrifuges with rotary bowls provided with solid jackets for separating predominantly liquid mixtures with or without solid particles discharging solid particles from the bowl by a conveying screw coaxial with the bowl axis and rotating relatively to the bowl
- B04B1/2016—Driving control or mechanisms; Arrangement of transmission gearing
Definitions
- the invention relates to a drive device in a screw centrifuge according to the preamble of claim 1.
- the invention has for its object to provide a drive device for worm centrifuges, wherein the drum drive is decoupled from the worm drive and both a flickiiegende storage of the gear for the worm drive and an elastic rotor bearing can be avoided.
- this object is achieved by the reproduced in the characterizing part features.
- the advantages of this solution achieved with the invention are, above all, in the stand housing, which ensures a defined support for the gear housing for the worm drive and allows support on the foundation instead of a flying bearing.
- the hollow output shaft is not rigidly connected to the drum drive shaft, but via a coupling, which may be formed, for example, as a positive toothed clutch and which provides for a separation between the gear mass and the rotor mass. Compared to a fingerfriendend mounted gearbox with the risk of gear break while the security is significantly improved.
- the drive device according to the invention allows a lighter construction with the advantage of longer service life and lower energy consumption.
- the transmission has a counter gear stage with a drive gear for a pinion driven by the output shaft of the worm motor, the axis of the drive gear and the output shaft of the worm motor being offset from the axis of rotation of the worm and the pinion.
- FIG. 2 shows a variant of FIG. 1,
- FIG. 3 shows a further variant of FIG. 1,
- FIG. 4 shows a variant of FIG. 3
- FIG. 5 shows a further modified embodiment
- Figure 9 is a longitudinal section through a construction of the prior art.
- FIG 9 shows in longitudinal section a screw centrifuge 10 with a revolving drum 12 and a mounted therein two radial bearings 14 screw 16.
- a screw centrifuge 10 For the rotary drive of the drum 12 is an electric drive motor 18, the motor shaft via a belt drive 20, a pulley 22 in rotation, which is fixedly connected to the hollow drum drive shaft 24.
- the drum 12 is rotatably supported on both sides in radial bearings 26.
- a separate worm motor 28 For the rotary drive of the worm 16 is a separate worm motor 28, the output shaft 30 shown schematically coupled via a shaft coupling 32 with the input shaft 34 of a transmission 36, which sets the worm shaft 38 with a deviating from the rotor shaft differential speed in rotation.
- the gear 36 is formed here as a planetary gear and housed in a housing 40 which is rigidly connected via a schematically indicated screw 42 with the pulley 22 and thus with the drum drive shaft 24.
- the gear 36 is decoupled from the drum 12 characterized in that the housing 40 via two radial bearings 46 in a stand housing 44 is rotatably mounted, which is supported on a foundation 48.
- the housing 40 of the transmission 36 has a hollow output shaft 50 (see Figure 2) which is connected via a coupling 52 to the hollow drum drive shaft 24.
- the transmission 36 may, as shown, be a planetary gear or a four-shaft gear or a hydraulic motor.
- the clutch 52 may be formed as a toothed coupling, for example in the form of an internally toothed sleeve, which connects the externally toothed ends of the output shaft 50 of the transmission 36 and the drum drive shaft 24 with each other.
- the output shaft 30 of the worm motor 28 which is supported on the foundation 48 like the stationary housing 44, is coupled to the input shaft 34 of the transmission 36 via a shaft coupling 32, the worm motor 28 is in the variant of FIG the stand housing 44 flanged.
- the output shaft 30 of the worm motor 28 is here rotatably connected to the input shaft 34 of the transmission 36 or formed integrally therewith.
- Figures 3 and 4 differ from those of Figures 1 and 2 in that the pulley 22 is fixedly connected to the hollow output shaft 50 of the gear housing 40 while being connected to the drum drive shaft 24 via the coupling 52. In this case, the tensile forces exerted by the belt drive 20 are absorbed by the radial bearings 14, 46 of the transmission 36.
- Figure 5 shows a further possibility for carrying out the invention in which the gear arrangement between the drive motor 18 and drum 12 consists of a spur gear 54 which is in engagement with an external toothing 56 on the housing 40 of the gear 36.
- the housing 58 of the spur gear 54 is fixedly connected to the stationary housing 44 or formed integrally therewith.
- this variant of FIG. 5 offers the possibility of designing the drive motor 18 for the drum 12 as a flange motor and of attaching it to the housing 58 of the spur gear 54.
- FIGS. 7 and 8 show, as a variant of FIG. 5, a further embodiment in which the transmission 36 has a counter gear stage 60 with two axes of rotation offset from one another.
- the worm motor 28 is offset by its output shaft 30, whose axis is indicated by 30 ', to the axis of rotation 38' of the worm shaft 38 and to this coaxial drum 12 by the dimension a.
- the drum 12 is housed in a drum housing 62 (see Figure 7).
- the counter gear stage 60 has a drive gear 70 driven by the worm motor 28 with the rotation axis 30 ', which is connected to the output shaft 30 of the worm motor 28 via the clutch 32 and which meshes with a pinion 64 of the counter gear stage 60.
- the pinion 64 is fixedly connected to the input shaft 34 of the transmission 36.
- the axial offset a between the two axes 30 'and 38' is used to guide through the entire gear 36 a to the axis 38 'coaxial feed tube 66 with a central access 68 for lubricant, via not shown radial bores in the feed tube 66 at the required lubrication points are distributed.
- a targeted oil injection lubrication is made possible from the inside, whereby the frequent problems with decanters gearboxes are avoided, for.
Landscapes
- Centrifugal Separators (AREA)
- Gear Transmission (AREA)
- General Details Of Gearings (AREA)
- Screw Conveyors (AREA)
Abstract
Description
Claims
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SI201130457T SI2525916T1 (sl) | 2010-09-13 | 2011-06-14 | Pogonska naprava v centrifugi s polĹľem |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE102010037488 | 2010-09-13 | ||
PCT/EP2011/059815 WO2012034722A2 (de) | 2010-09-13 | 2011-06-14 | Antriebsvorrichtung in einer schneckenzentrifuge |
Publications (2)
Publication Number | Publication Date |
---|---|
EP2525916A2 true EP2525916A2 (de) | 2012-11-28 |
EP2525916B1 EP2525916B1 (de) | 2015-01-21 |
Family
ID=44628146
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP11730245.5A Not-in-force EP2525916B1 (de) | 2010-09-13 | 2011-06-14 | Antriebsvorrichtung in einer schneckenzentrifuge |
Country Status (13)
Country | Link |
---|---|
US (1) | US8808154B2 (de) |
EP (1) | EP2525916B1 (de) |
JP (1) | JP5858546B2 (de) |
CN (1) | CN103221140B (de) |
BR (1) | BR112013005351A2 (de) |
CA (1) | CA2810450A1 (de) |
DE (1) | DE102011051037A1 (de) |
DK (1) | DK2525916T3 (de) |
ES (1) | ES2532538T3 (de) |
PT (1) | PT2525916E (de) |
RU (1) | RU2544703C2 (de) |
SI (1) | SI2525916T1 (de) |
WO (1) | WO2012034722A2 (de) |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2012034722A2 (de) * | 2010-09-13 | 2012-03-22 | Hiller Gmbh | Antriebsvorrichtung in einer schneckenzentrifuge |
EP2584160A1 (de) * | 2011-10-20 | 2013-04-24 | Alfa Laval Corporate AB | Kurbelgehäusegasabscheider |
CN105057116A (zh) * | 2015-08-27 | 2015-11-18 | 孟令启 | 一种谷朊粉分离装置 |
KR101990731B1 (ko) * | 2018-01-03 | 2019-06-18 | 이기영 | 원심탈수기 또는 원심농축기의 구동시스템 |
USD928856S1 (en) * | 2019-06-11 | 2021-08-24 | Henan Changda Bee Industry Co., Ltd | Gearbox for honey centrifuge |
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JP2012007634A (ja) * | 2010-06-22 | 2012-01-12 | Tomoe Engineering Co Ltd | メカニカルシール,メカニカルシールの仕上げ方法,遠心分離機用のギアボックス |
WO2012034722A2 (de) * | 2010-09-13 | 2012-03-22 | Hiller Gmbh | Antriebsvorrichtung in einer schneckenzentrifuge |
-
2011
- 2011-06-14 WO PCT/EP2011/059815 patent/WO2012034722A2/de active Application Filing
- 2011-06-14 SI SI201130457T patent/SI2525916T1/sl unknown
- 2011-06-14 BR BR112013005351A patent/BR112013005351A2/pt not_active IP Right Cessation
- 2011-06-14 PT PT117302455T patent/PT2525916E/pt unknown
- 2011-06-14 CA CA2810450A patent/CA2810450A1/en not_active Abandoned
- 2011-06-14 CN CN201180044014.8A patent/CN103221140B/zh not_active Expired - Fee Related
- 2011-06-14 DK DK11730245T patent/DK2525916T3/en active
- 2011-06-14 JP JP2013527506A patent/JP5858546B2/ja not_active Expired - Fee Related
- 2011-06-14 US US13/818,592 patent/US8808154B2/en not_active Expired - Fee Related
- 2011-06-14 EP EP11730245.5A patent/EP2525916B1/de not_active Not-in-force
- 2011-06-14 RU RU2013116897/05A patent/RU2544703C2/ru not_active IP Right Cessation
- 2011-06-14 ES ES11730245.5T patent/ES2532538T3/es active Active
- 2011-06-14 DE DE102011051037A patent/DE102011051037A1/de not_active Withdrawn
Non-Patent Citations (1)
Title |
---|
See references of WO2012034722A2 * |
Also Published As
Publication number | Publication date |
---|---|
CA2810450A1 (en) | 2012-03-22 |
DK2525916T3 (en) | 2015-03-02 |
JP2013537102A (ja) | 2013-09-30 |
DE102011051037A1 (de) | 2012-03-15 |
WO2012034722A2 (de) | 2012-03-22 |
BR112013005351A2 (pt) | 2016-08-30 |
CN103221140A (zh) | 2013-07-24 |
ES2532538T3 (es) | 2015-03-27 |
PT2525916E (pt) | 2016-01-07 |
SI2525916T1 (sl) | 2015-05-29 |
WO2012034722A3 (de) | 2012-05-18 |
EP2525916B1 (de) | 2015-01-21 |
US20130231235A1 (en) | 2013-09-05 |
RU2013116897A (ru) | 2014-10-20 |
CN103221140B (zh) | 2015-05-20 |
US8808154B2 (en) | 2014-08-19 |
JP5858546B2 (ja) | 2016-02-10 |
RU2544703C2 (ru) | 2015-03-20 |
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