CN101166913A - 具有用于转子转轴的轴承的涡轮增压单元 - Google Patents
具有用于转子转轴的轴承的涡轮增压单元 Download PDFInfo
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- CN101166913A CN101166913A CNA2004800443038A CN200480044303A CN101166913A CN 101166913 A CN101166913 A CN 101166913A CN A2004800443038 A CNA2004800443038 A CN A2004800443038A CN 200480044303 A CN200480044303 A CN 200480044303A CN 101166913 A CN101166913 A CN 101166913A
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- Prior art keywords
- turbo charger
- bearing
- charger unit
- rotating shaft
- shaft
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C25/00—Bearings for exclusively rotary movement adjustable for wear or play
- F16C25/06—Ball or roller bearings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F01—MACHINES OR ENGINES IN GENERAL; ENGINE PLANTS IN GENERAL; STEAM ENGINES
- F01D—NON-POSITIVE DISPLACEMENT MACHINES OR ENGINES, e.g. STEAM TURBINES
- F01D25/00—Component parts, details, or accessories, not provided for in, or of interest apart from, other groups
- F01D25/16—Arrangement of bearings; Supporting or mounting bearings in casings
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
- F16C19/14—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load
- F16C19/16—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with a single row of balls
- F16C19/163—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with a single row of balls with angular contact
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C19/00—Bearings with rolling contact, for exclusively rotary movement
- F16C19/54—Systems consisting of a plurality of bearings with rolling friction
- F16C19/546—Systems with spaced apart rolling bearings including at least one angular contact bearing
- F16C19/547—Systems with spaced apart rolling bearings including at least one angular contact bearing with two angular contact rolling bearings
- F16C19/548—Systems with spaced apart rolling bearings including at least one angular contact bearing with two angular contact rolling bearings in O-arrangement
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- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2220/00—Application
- F05D2220/40—Application in turbochargers
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2240/00—Components
- F05D2240/50—Bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F05—INDEXING SCHEMES RELATING TO ENGINES OR PUMPS IN VARIOUS SUBCLASSES OF CLASSES F01-F04
- F05D—INDEXING SCHEME FOR ASPECTS RELATING TO NON-POSITIVE-DISPLACEMENT MACHINES OR ENGINES, GAS-TURBINES OR JET-PROPULSION PLANTS
- F05D2240/00—Components
- F05D2240/50—Bearings
- F05D2240/52—Axial thrust bearings
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
- F16C—SHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
- F16C2360/00—Engines or pumps
- F16C2360/23—Gas turbine engines
- F16C2360/24—Turbochargers
Abstract
本发明涉及一种涡轮增压单元(10,11),其具有用于转轴(19)的轴安装架。转轴的其中一端支撑涡轮叶轮,另一端支撑压缩机叶轮。所述的转轴通过两个轴向间隔的轴承件(24;25)而被支撑在轴承外壳中,其中的一个轴承件通过位于转轴上的台肩(19a)而形成轴向支撑,如果有卸放环(28)通过螺纹接头,以卸放环(28)形成沿相反轴向作用于另一轴承件(24;25)上的轴向支撑的方式,安装在转轴(15;19)上,则会得到所希望的精确的轴承预加负荷。
Description
技术领域
本发明涉及用于一种涡轮增压单元中用于转子转轴的转轴安装架,该转轴的一端支撑涡轮叶轮,其另一端支撑压缩机叶轮,并通过两个轴向间隔的轴承件支撑于轴承外壳中,其中的一个轴承件通过转轴上的台肩形成轴向支撑。
背景技术
涡轮增压单元可在旋转速度高达200,000r.p.m的情况下运行。涡轮单元的转子安装架包括滑动轴承、球轴承或包括两者的组合。球轴承产生的能量损失最低。球轴承的应用一般包括两个角接触轴承,它们以所谓的O形排列(背对背排列)彼此面对面设置。这两个轴承不仅包括与两个伸长的单独内环一起的共有外环,还包括两个安装于外套筒中且两个内环之间具有间隔套筒的普通角接触轴承。
转子的旋转速度尤其在瞬间条件下变化,这意味着,由于负载的方向取决于旋转速度的升高和降低,因此,在转轴上会产生轴向力。如果在转轴的安装架中存在轴向间隙,就会不利地影响轴承的使用寿命,还存在损坏轴承的危险。
因此,球轴承的内环需要一定的外力,以保证得到所希望的轴承的内预加载荷。然而,由于存在使内环发生变形的危险,因此该外力必须不太大。该外力一般从压缩机的螺母获得。由于压缩机的驱动扭矩通过压缩机的轴向面和其周围部件之间的摩擦力来传递,因此,轴向力必须大得足以保证压缩机不会朝向转轴滑动。然而,对于轴承的内环来说,该高轴向力可能是并不适宜高的。
发明内容
本发明的其中一个目的是为了制造一种涡轮增压单元的转轴安装架,其能够在不使轴承件发生变形的情况下,对所希望的轴承预加负载进行简单调节。
为了实现这一目的,构造本发明所述的转轴安装架,其用于涡轮增压单元的转轴,该转轴的一端支撑涡轮叶轮,另一端支撑压缩机叶轮,且通过两个轴向间隔的轴承件支撑于轴承外壳中,其中的一个轴承件通过转轴上的台肩形成轴向支撑,本发明的特征在于,有卸放环以这样的方式通过螺纹接头而安装在转轴上,即使得该卸放环形成沿相反轴向作用于另一轴承件的轴向支撑。
从所附的独立权利要求中可推导出本发明优选实施例的优点。
附图说明
下面将通过附图所示的实施例对本发明进行更加详细描述,在附图中:
图1为二级涡轮增压单元的纵向剖视图;
图2为图1中用于涡轮增压单元的转轴安装架的放大比例图;
图3为用于图2中转轴安装架的卸放环的剖面图。
具体实施方式
如图1所示,本发明所述的转轴安装架应用在二级涡轮增压单元中,其也可用于传统的单级涡轮单元中。
涡轮增压单元的第一级由同串联连接的低压涡轮单元11协作的高压涡轮单元10组成。废气通过相分开的管道以及蜗杆形涡轮入口12,13,从图中未示出的内燃发动机(例如柴油机)导入高压涡轮单元的涡轮叶轮14中,所述涡轮叶轮与压缩机叶轮16一起被安装在共用轴15上。废气通过管道17,向上导引至低压涡轮单元11的涡轮叶轮18,所述的涡轮叶轮与压缩机叶轮20一起被安装在共用轴19上。继而,废气通过管道21,向上导引至发动机的废气系统。
去往发动机的过滤过的空气导引至低压涡轮单元11的压缩机叶轮20。管道(图中未示)将入口空气向上导引至高压涡轮单元10的压缩机叶轮16,被压缩的入口空气从该压缩机叶轮处导引至发动机的入口侧。
高压涡轮的转轴15由转轴安装架22支撑,而低压压缩机的转轴19由转轴安装架23支撑,其细节如图2所示。所述的转轴安装架23包括两个角接触轴承24,25,该两个角接触轴承同它们的外环24a,25a一起被安装在柱状套筒26内,该柱状套筒26以一定间隙(play)安装在涡轮外壳中。该柱状套筒26的内侧上径向向内指向凸缘26a形成用于外环的轴向侧面支撑。转轴19以这样的方式从如图2中的右侧穿过轴承24,25的内环24b,25b插入,即使得转轴19利用径向突出台肩19a而抵靠在内环25b上。在内环25b的相对侧有同时支撑在另一个内环25a上的间隔套筒27。涡轮转轴19具有同内螺纹卸放环28相配合的外螺纹部分19b,如图3的截面图所示。
所述的卸放环28包括具有内螺纹28b的内环28a,以及L形的径向指向凸缘部分29。凸缘部分具有径向指向沟槽29a和29b,其用于将油从轴密封30中流出。位于凸缘29内的两个轴孔31通过利用拧紧工具而允许对轴承内环24b,25b施加预加负载。方便的是,当将卸放环安装到转轴19上时,利用锁定液体(lock fluid)。
本发明不应认为仅仅限定于上述的实施例,众多的进一步变异和变形均可落在所附权利要求的保护范围内。例如,本发明所述的转轴安装架还可用于如图1所示的高压涡轮系统中。如果球轴承的内环24b,25b配置为侧向朝向彼此延伸,则它们可彼此直接倚靠,在此情况下,套筒26就成为了多余的部件。
Claims (6)
1.一种涡轮增压单元(10;11),其具有用于转子转轴(15;19)的轴安装架,所述转子转轴的一端支撑涡轮叶轮(14;18),其另一端支撑压缩机叶轮(16;20),且所述转轴通过两个轴向间隔的轴承件(24;25)支撑在轴承外壳中,其中的一个轴承件通过转轴上的台肩(19a)形成轴向支撑,其特征在于,有卸放环(28)以这样的方式通过螺纹接头而安装在转轴(15;19)上,即该卸放环(28)形成沿相反轴向作用于另一轴承件(24;25)上的轴向支撑。
2.如权利要求1所述的涡轮增压单元,其特征在于,所述轴承件(24;25)通过中间间隔套筒(27)而彼此轴向支承。
3.如权利要求1或2所述的涡轮增压单元,其特征在于,所述卸放环(28)通过到达特定拉紧扭矩的扭矩牵引作用而安装在转轴(15;19)上。
4.如权利要求1-3中任一所述的涡轮增压单元,其特征在于,所述螺纹接头安装有锁定液体。
5.如权利要求1-4中任一所述的涡轮增压单元,其特征在于,所述轴承件由球轴承(24;25)构成。
6.如权利要求5所述的涡轮增压单元,其特征在于,所述球轴承(24,25)的内环(24b;25b)侧向延伸且彼此直接倚靠。
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/SE2004/001572 WO2006046891A1 (en) | 2004-10-28 | 2004-10-28 | Turbo charger unit with bearings for a rotor shaft |
Publications (1)
Publication Number | Publication Date |
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CN101166913A true CN101166913A (zh) | 2008-04-23 |
Family
ID=36228071
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CNA2004800443038A Pending CN101166913A (zh) | 2004-10-28 | 2004-10-28 | 具有用于转子转轴的轴承的涡轮增压单元 |
Country Status (6)
Country | Link |
---|---|
US (1) | US20070214785A1 (zh) |
EP (1) | EP1807632A1 (zh) |
JP (1) | JP2008518158A (zh) |
CN (1) | CN101166913A (zh) |
BR (1) | BRPI0419157A (zh) |
WO (1) | WO2006046891A1 (zh) |
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101963178A (zh) * | 2009-07-21 | 2011-02-02 | Skf公司 | 用于轴向锁定机械零件的方法和装置 |
CN102016325A (zh) * | 2008-04-28 | 2011-04-13 | 丰田自动车株式会社 | 用于增压器的轴承装置 |
CN102348902A (zh) * | 2009-03-11 | 2012-02-08 | 斯堪尼亚商用车有限公司 | 轴装置和用于支撑轴的方法 |
CN102884329A (zh) * | 2010-05-06 | 2013-01-16 | 谢夫勒科技股份两合公司 | 带有液压阻尼装置的滚动轴承设备 |
CN103806960A (zh) * | 2012-11-12 | 2014-05-21 | 康明斯有限公司 | 涡轮机械轴承组件预加载结构 |
CN104018897A (zh) * | 2014-06-24 | 2014-09-03 | 常州新瑞汽车配件制造有限公司 | 分离式高速滚动涡轮增压器轴承体 |
CN104364495B (zh) * | 2012-06-25 | 2017-09-22 | 博格华纳公司 | 排气涡轮增压器 |
CN110939515A (zh) * | 2019-11-29 | 2020-03-31 | 西安航天动力研究所 | 一种拓展转子轴系轴向力调节能力的方法 |
Families Citing this family (5)
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EP3168429B1 (en) * | 2009-01-20 | 2018-03-07 | Williams International Co., L.L.C. | Turbine nozzle cartridge for use with a turbocharger core |
DE102013213023A1 (de) * | 2013-07-03 | 2015-01-08 | Continental Automotive Gmbh | Läufer für eine Turboladereinrichtung, Turboladereinrichtung mit einem Läufer und Welle für einen solchen Läufer |
DE102013218303A1 (de) * | 2013-09-12 | 2015-03-12 | Bosch Mahle Turbo Systems Gmbh & Co. Kg | Abgasturbolader mit Turbine |
US11326473B2 (en) | 2019-12-18 | 2022-05-10 | Borgwarner Inc. | Bearing assembly and turbocharger including the bearing assembly |
CN112648068B (zh) * | 2020-12-22 | 2022-04-05 | 潍柴动力股份有限公司 | 一种增压器状态控制方法及装置 |
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DE1232369B (de) * | 1964-04-20 | 1967-01-12 | Reiners & Wiggermann Fa | Hydrostatische Drehmoment-Messeinrichtung |
US4364615A (en) * | 1980-09-08 | 1982-12-21 | The Bendix Corporation | Retaining ring |
JPH0540273Y2 (zh) * | 1988-04-26 | 1993-10-13 | ||
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US6364634B1 (en) * | 2000-09-29 | 2002-04-02 | General Motors Corporation | Turbocharger rotor with alignment couplings |
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2004
- 2004-10-28 EP EP04793872A patent/EP1807632A1/en not_active Withdrawn
- 2004-10-28 US US11/576,953 patent/US20070214785A1/en not_active Abandoned
- 2004-10-28 BR BRPI0419157-9A patent/BRPI0419157A/pt not_active IP Right Cessation
- 2004-10-28 CN CNA2004800443038A patent/CN101166913A/zh active Pending
- 2004-10-28 JP JP2007538852A patent/JP2008518158A/ja not_active Withdrawn
- 2004-10-28 WO PCT/SE2004/001572 patent/WO2006046891A1/en active Application Filing
Cited By (15)
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CN102016325B (zh) * | 2008-04-28 | 2014-03-12 | 丰田自动车株式会社 | 用于增压器的轴承装置 |
CN102348902B (zh) * | 2009-03-11 | 2015-11-25 | 斯堪尼亚商用车有限公司 | 轴装置和用于支撑轴的方法 |
CN102348902A (zh) * | 2009-03-11 | 2012-02-08 | 斯堪尼亚商用车有限公司 | 轴装置和用于支撑轴的方法 |
CN101963178A (zh) * | 2009-07-21 | 2011-02-02 | Skf公司 | 用于轴向锁定机械零件的方法和装置 |
CN101963178B (zh) * | 2009-07-21 | 2015-12-09 | Skf公司 | 用于轴向锁定机械零件的方法和装置 |
CN102884329A (zh) * | 2010-05-06 | 2013-01-16 | 谢夫勒科技股份两合公司 | 带有液压阻尼装置的滚动轴承设备 |
CN102884329B (zh) * | 2010-05-06 | 2015-05-20 | 谢夫勒科技股份两合公司 | 带有液压阻尼装置的滚动轴承设备 |
CN104364495B (zh) * | 2012-06-25 | 2017-09-22 | 博格华纳公司 | 排气涡轮增压器 |
CN103806960A (zh) * | 2012-11-12 | 2014-05-21 | 康明斯有限公司 | 涡轮机械轴承组件预加载结构 |
US9759093B2 (en) | 2012-11-12 | 2017-09-12 | Cummins Ltd. | Turbomachine bearing assembly preloading arrangement |
CN103806960B (zh) * | 2012-11-12 | 2018-03-27 | 康明斯有限公司 | 涡轮机械轴承组件预加载结构 |
US10655498B2 (en) | 2012-11-12 | 2020-05-19 | Cummins Ltd. | Turbomachine bearing assembly preloading arrangement |
CN104018897A (zh) * | 2014-06-24 | 2014-09-03 | 常州新瑞汽车配件制造有限公司 | 分离式高速滚动涡轮增压器轴承体 |
CN110939515A (zh) * | 2019-11-29 | 2020-03-31 | 西安航天动力研究所 | 一种拓展转子轴系轴向力调节能力的方法 |
Also Published As
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JP2008518158A (ja) | 2008-05-29 |
EP1807632A1 (en) | 2007-07-18 |
BRPI0419157A (pt) | 2007-12-11 |
US20070214785A1 (en) | 2007-09-20 |
WO2006046891A1 (en) | 2006-05-04 |
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