CN111022489A - 径向轴向轴承单元,具有轴向止推机构的空套齿轮轴承,支承装置和车辆变速器 - Google Patents

径向轴向轴承单元,具有轴向止推机构的空套齿轮轴承,支承装置和车辆变速器 Download PDF

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CN111022489A
CN111022489A CN201910953131.4A CN201910953131A CN111022489A CN 111022489 A CN111022489 A CN 111022489A CN 201910953131 A CN201910953131 A CN 201910953131A CN 111022489 A CN111022489 A CN 111022489A
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axial
inner ring
thrust mechanism
axial thrust
bearing
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CN111022489B (zh
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曼弗雷德·温克勒
沃尔夫冈·菲格
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Schaeffler Technologies AG and Co KG
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00Bearings with rolling contact, for exclusively rotary movement
    • F16C19/54Systems consisting of a plurality of bearings with rolling friction
    • F16C19/545Systems comprising at least one rolling bearing for radial load in combination with at least one rolling bearing for axial load
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H57/00General details of gearing
    • F16H57/0018Shaft assemblies for gearings
    • F16H57/0031Shaft assemblies for gearings with gearing elements rotatable supported on the shaft
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00Bearings with rolling contact, for exclusively rotary movement
    • F16C19/22Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
    • F16C19/34Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load
    • F16C19/38Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers
    • F16C19/381Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings for both radial and axial load with two or more rows of rollers with at least one row for radial load in combination with at least one row for axial load
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C19/00Bearings with rolling contact, for exclusively rotary movement
    • F16C19/22Bearings with rolling contact, for exclusively rotary movement with bearing rollers essentially of the same size in one or more circular rows, e.g. needle bearings
    • F16C19/44Needle bearings
    • F16C19/48Needle bearings with two or more rows of needles
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30Parts of ball or roller bearings
    • F16C33/58Raceways; Race rings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C33/00Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/30Parts of ball or roller bearings
    • F16C33/58Raceways; Race rings
    • F16C33/60Raceways; Race rings divided or split, e.g. comprising two juxtaposed rings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C35/00Rigid support of bearing units; Housings, e.g. caps, covers
    • F16C35/04Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
    • F16C35/06Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C43/00Assembling bearings
    • F16C43/04Assembling rolling-contact bearings
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16HGEARING
    • F16H57/00General details of gearing
    • F16H57/02Gearboxes; Mounting gearing therein
    • F16H57/023Mounting or installation of gears or shafts in the gearboxes, e.g. methods or means for assembly
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2226/00Joining parts; Fastening; Assembling or mounting parts
    • F16C2226/50Positive connections
    • F16C2226/70Positive connections with complementary interlocking parts
    • F16C2226/74Positive connections with complementary interlocking parts with snap-fit, e.g. by clips
    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16CSHAFTS; FLEXIBLE SHAFTS; ELEMENTS OR CRANKSHAFT MECHANISMS; ROTARY BODIES OTHER THAN GEARING ELEMENTS; BEARINGS
    • F16C2361/00Apparatus or articles in engineering in general
    • F16C2361/61Toothed gear systems, e.g. support of pinion shafts

Abstract

本发明涉及一种用于在轴上支承齿轮的装置(1),具有径向轴向轴承单元(2),其具有内环(3)和与所述内环分开的轴向止推机构(4),其中,所述内环(3)与所述轴向止推机构(4)连接,使得所述内环与所述轴向止推机构形成一个单元。本发明还涉及一种具有轴的车辆变速器,在所述轴上安装有所述装置(1)并且在所述装置旁边轴向相邻地安装和设置有齿轮。

Description

径向轴向轴承单元,具有轴向止推机构的空套齿轮轴承,支承 装置和车辆变速器
技术领域
本发明涉及一种用于在轴上支承齿轮的装置,其具有径向轴向轴承单元,其具有(套筒状)内环和与所述内环单独的/分开的(环状的)轴向止推机构/法兰/轴向盘/轴向止推件。
背景技术
类似的现有技术例如由CN 207393797 U和DE 10 2008 035 715 A1已知。因此,例如该后一文件公开了用于滚动体轴承的滚道组件,其具有形成为成型件的轴承环,其中所述轴承环承载用于滚动体轴承的滚动体的环绕的滚道;具有轴向止推机构,其中轴向止推机构沿轴向方向限界轴承环上的滚道。证实为特别的是,轴向止推机构由放置在轴承环上或轴承环中的附件形成。这些较旧的文件还涉及具有形成为成型件的承载环的密封组件,其中该承载环承载用于密封环的环绕的密封面,其具有轴向止推机构,其中轴向止推机构沿轴向方向限界支承环上的密封面,并且证明特别的是,轴向止推机构由附件形成,该附件放置在承载环上或承载环中。该文件还涉及一种传动装置,其中一排滚动体安装在滚道上,所述滚动体在轴向方向上通过轴向止推机构或附件限界。
由本申请人还得知许多轴向成角盘,它们是已知的,因此许多环和特殊盘,特别是那些具有内部编号为F-218709-211的特殊盘。这里,例如,提出一件式径向轴向轴承单元,即其中内环与轴向止推机构一件式连接的那些装置。
在一些情况下已经显示,在机动车辆变速器中,即例如在轿车、卡车或其他商用车辆中使用的变速器,在测试时在与齿轮轴向碰撞时在内环凸肩上发生故障。特别地,在实现用于提供倒挡的空套齿轮时,在碰撞时已经显示出了问题。
那么也就是说存在成角内环,齿轮或止推盘碰撞该成角内环,以及存在由内环和止推盘构成的分开的构件。还有通过两个滚子环径向支撑空套齿轮。然而,到目前为止,这些解决方案尚未完全令人满意。由于倾斜、粗糙的表面、在该齿轮与内环凸肩或止推盘之间的轴向接触的不良油润,可能会尤其由于磨损导致故障。
发明内容
因此,本发明的目的是在此类装置中提供这样简单的解决方案,其不再具有所述缺点或者至少减少所述缺点。它应同时提供径向和轴向支撑功能,并且可以改善接触配对件之间的碰撞。
该目的在此类装置中根据本发明如下实现:内环与轴向止推机构连接,使得它们形成(本身可操作的/闭合的但可扩展的)单元/安装单元/子结构单元。内环和轴向止推机构在此在轴向和/或径向方向上彼此固定连接。因此消除了先前的具有故障的、一件式或两件式解决方案的问题。因此,在具有轴向止推机构的换挡轮支承装置中显著改善空套齿轮的支承。
有利的实施方式在下面更详细地解释。
因此,有利的是,所述内环形状配合,力配合和/或材料配合地紧固/安装/固定在轴向止推机构处。以这种方式,简化组装,因为由内环和轴向止推机构组成的结构可以在一个步骤在齿轮旁边在轴上旋转。由此节省了装配时间并降低了成本。
已证明特别有用的是,在内环和轴向止推机构之间存在压紧/压配合和/或夹紧和/或粘接和/或焊接。这些方案中的一个已经显著增加了关联性,其中组合在只需稍微增加成本的情况下显著改善各个构件之间的结合,因此即使是复杂的情况也是可操作的。
也被证明是有利的是,内环和/或轴向止推机构被覆层,例如发蓝处理或阳极氧化。从而改善了各个接触配对件之间的碰撞。
有利的是,轴向止推机构具有朝向内环弯曲的延伸部,所述延伸部在内环的径向内侧或径向外侧上与所述内环形成形状配合的卡扣连接,优选地在内环的扩展部中。在径向内侧区域中的组合具有的优点是,可以在齿轮和内环之间使用长针,而径向外侧的安置带来良好目视检查的优点。凹部的存在此外减小了总重量并且导致使用该装置的机动车辆的较低排放。
有利的实施方式的特征还在于,轴向止推机构具有用于轴向滚子轴承的滚动面。由此可以显著降低磨损。
也已经证实有利的是,轴向止推机构具有远离延伸部的、特别是在轴向止推机构的与延伸部相对置的(自由)端部上存在的保持装置,用于接触例如构造成滚柱轴承、滚针轴承、球面轴承或球轴承的轴向轴承。由此有效地防止了各个构件的分解。
本发明还涉及一种具有轴的车辆变速器,根据本发明的类型的装置安装在该轴上,并且齿轮(紧邻/直接地)轴向相邻地安装和设置在该轴上。
因此提供了一种包括轴向轴承(例如SAX),内环(例如IR)的单元,该内环具有安装锁定机构并实现交付单元。在这种情况下,轴向轴承单元具有轴向成角盘和轴向轴承。虽然可以同时安装两个构件,但也可以考虑将轴向成角盘和内环分开安装。
然而,可实现一种单元,其中连接装置是设置在内环内径上还是设置在内环外径上是无关紧要的。径向滚针环的轴向止推机构实施成使得其设置在轴向盘上。轴向滚针环的引导在轴向成角盘中进行。车辆变速器还可以如下地进一步改进:齿轮设计/安装为空套齿轮,特别是用于实现倒挡。
如果内环和轴向止推机构分别通过压配合固定在轴上,那么提供特别优选的实施方式。然而,作为替选方案也可以设想,内环借助压配合固定在轴上以及在轴向腿上存在径向间距,例如在轴向止推机构和轴表面和/或所述内环之间。
已经进一步证明的是,轴向轴承至少设计用于由齿轮暂时接触,所述轴向止推机构设计用于至少暂时地由滚针环接触,特别是由其保持架接触,和/或内环设计用于由径向轴承的滚动体、例如滚针持久接触。
换句话说,因此提出了一种用于将齿轮支撑在轴上的装置,其具有径向轴向轴承单元,其中包括内环和轴向止推机构的径向轴向轴承单元现在得到改进。
虽然可以考虑具有高凸肩(凸肩外径与内环内径的比在1.5和10.5+-5之间,优选为6.66)的一件式内环,其中其可形成为(单独的或替代地一件式的)轴向盘,但优选的是,轴向盘被卡扣、压紧和/或可能附加地形成为用于轴向轴承的轴向盘。因此,在车辆变速器中实现用于轴向支撑空套齿轮的装置。非常重要的是,内环的压配合可以存在于轴上。此外重要和期望的是,可以是在轴上的两个压配合的组合,即在轴上的内环的压配合和轴向定向的腿的压配合的组合。作为替选方案,可以考虑轴向腿的径向间距,即,当内环压在轴上时。
附图说明
下面借助附图更详细地解释本发明。在此示出本发明的第一实施例。但可以进行修改。
(唯一的)图1示出了根据本发明的用于在轴上支承齿轮的装置的纵截面的局部。
具体实施方式
在图1中,示出根据本发明的用于将未示出的齿轮支承在同样未示出的轴上的装置1。该装置1具有径向轴向轴承单元2,该径向轴向轴承单元包括内环3,其设置用于压紧到轴上。
径向轴向轴承单元还具有轴向止推机构4,其也可以称为法兰,轴向盘或轴向止推件。内环3是与轴向止推机构4分开的构件。但是,内环3固定在轴向止推机构4上,即与其固定连接。它们形成子结构单元,即安装单元/单元。
为此,在内环3的径向内侧5上存在凹部6,轴向止推机构4的延伸部7接合到该凹部中,该延伸部也称为凸缘。延伸部7具有凸起部8,该凸起部8可以与内环3的突出部9贴靠。在径向外侧10上是滚针环11,其具有针状滚动体12和保持架13。在内环3的径向外侧10上,因此设置用于滚动体12的滚道。在一些运行情况下,保持架13与轴向止推机构4的止推面14贴靠。
该止推面14也形成滚道,以便接触轴向轴承16的轴向轴承滚动体15。在轴向止推机构4的延伸部7的相对端部处,形成保持装置17,该保持装置通过底切18从后方接合轴向轴承保持架19。
在滚针环11上放置齿轮,该齿轮在一些运行状态下可与轴向轴承滚动体15贴靠。在轴向轴承保持架19的径向内侧与那个具有滚针环的径向轴承20的保持架13之间存在(最小)间隙21。而且,在延伸部7的一端和内环3的壁部23之间存在轴向距离22。
因此,延伸部7与内环3在突出部9和凸起部8的区域中形成卡扣连接24。
附图标记列表
1 装置
2 径向轴向轴承单元
3 内环
4 轴向止推机构
5 径向内侧
6 凹部
7 延伸部/凸缘
8 凸起部
9 突出部
10 径向外侧
11 滚针环
12 滚动体
13 保持架
14 止推面
15 轴向轴承滚动体
16 轴向轴承/轴向滚动轴承
17 保持装置
18 底切
19 轴向轴承保持架
20 径向轴承
21 间隙
22 轴向距离
23 壁部
24 卡扣连接。

Claims (10)

1.一种用于在轴上支承齿轮的装置(1),具有径向轴向轴承单元(2),其具有内环(3)和与所述内环分开的轴向止推机构(4),其特征在于,所述内环(3)与所述轴向止推机构(4)连接,使得所述内环与所述轴向止推机构形成一个单元。
2.根据权利要求1所述的装置(1),其特征在于,所述内环(3)形状配合、力配合和/或材料配合地固定在轴向止推机构(4)处。
3.根据权利要求1或2所述的装置(1),其特征在于,在所述内环(3)和所述轴向止推机构(4)之间存在压紧和/或夹紧和/或粘接和/或焊接。
4.根据权利要求1至3中任一项所述的装置(1),其特征在于,所述轴向止推机构(4)具有朝向内环(3)弯曲的延伸部(7),所述延伸部在内环(3)的径向内侧(5)或径向外侧(10)与所述内环形成形状配合的卡扣连接(24)。
5.根据权利要求1至4中任一项所述的装置(1),其特征在于,所述轴向止推机构(4)具有用于轴向滚动轴承(16)的滚动面。
6.根据权利要求4或5所述的装置(1),其特征在于,所述轴向止推机构(4)具有用于保持装置(17)的与轴向滚动轴承(16)接触的延伸部。
7.一种车辆变速器,其具有轴,在所述轴上安装有根据权利要求1至6中任一项所述的装置(1)并且在所述装置旁边轴向相邻地安装和设置有齿轮。
8.根据权利要求7所述的车辆变速器,其特征在于,所述齿轮设计和设置为空套齿轮。
9.根据权利要求7或8所述的车辆变速器,其特征在于,所述内环(3)和所述轴向止推机构(4)分别借助压配合固定在轴上,或者仅所述内环(3)借助压配合固定在轴上,并且在轴向腿上存在径向间距。
10.根据权利要求7至9中任一项所述的车辆变速器,其特征在于,所述轴向滚动轴承(16)至少设计用于暂时由所述齿轮接触,所述轴向止推机构(4)设计用于至少暂时由滚针环(11)接触,和/或所述内环(3)设计用于由径向轴承(20)的滚动体(12)持久接触。
CN201910953131.4A 2018-10-09 2019-10-09 径向轴向轴承单元,具有轴向止推机构的空套齿轮轴承,支承装置和车辆变速器 Active CN111022489B (zh)

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US3632178A (en) * 1969-07-09 1972-01-04 Nadella Combined radial and thrust rolling bearing
US3930692A (en) * 1975-01-20 1976-01-06 The Torrington Company Combined radial and thrust bearing
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