CN108349304A - 车轮轴承单元 - Google Patents

车轮轴承单元 Download PDF

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Publication number
CN108349304A
CN108349304A CN201680063455.5A CN201680063455A CN108349304A CN 108349304 A CN108349304 A CN 108349304A CN 201680063455 A CN201680063455 A CN 201680063455A CN 108349304 A CN108349304 A CN 108349304A
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Prior art keywords
ring
type element
wheel bearing
bearing unit
protruding portion
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Inventor
弗兰克·艾歇尔曼
马蒂亚斯·斯塔尔
纳塔利·特鲁贝尔特
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Schaeffler Technologies AG and Co KG
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Schaeffler Technologies AG and Co KG
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B27/00—Hubs
    • B60B27/0005—Hubs with ball bearings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B27/00—Hubs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B27/00—Hubs
    • B60B27/0073—Hubs characterised by sealing means
    • 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
    • F16C19/18—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 two or more rows of balls
    • F16C19/181—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 two or more rows of balls with angular contact
    • F16C19/183—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 two or more rows of balls with angular contact with two rows at opposite angles
    • F16C19/184—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 two or more rows of balls with angular contact with two rows at opposite angles in O-arrangement
    • F16C19/185—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 two or more rows of balls with angular contact with two rows at opposite angles in O-arrangement with two raceways provided integrally on a part other than a race ring, e.g. a shaft or housing
    • 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
    • F16C19/52—Bearings with rolling contact, for exclusively rotary movement with devices affected by abnormal or undesired conditions
    • F16C19/522—Bearings with rolling contact, for exclusively rotary movement with devices affected by abnormal or undesired conditions related to load on the bearing, e.g. bearings with load sensors or means to protect the bearing against overload
    • 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
    • F16C35/00—Rigid support of bearing units; Housings, e.g. caps, covers
    • F16C35/04—Rigid support of bearing units; Housings, e.g. caps, covers in the case of ball or roller bearings
    • F16C35/06—Mounting or dismounting of ball or roller bearings; Fixing them onto shaft or in housing
    • F16C35/067—Fixing them in a housing
    • 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
    • F16C39/00—Relieving load on bearings
    • F16C39/02—Relieving load on bearings using mechanical means
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B2380/00—Bearings
    • B60B2380/10—Type
    • B60B2380/12—Ball bearings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B2380/00—Bearings
    • B60B2380/70—Arrangements
    • B60B2380/73—Double track
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B2380/00—Bearings
    • B60B2380/90—Casings or housings specially adapted to receive bearings
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B27/00—Hubs
    • B60B27/06—Hubs adapted to be fixed on axle
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B2900/00—Purpose of invention
    • B60B2900/20—Avoidance of
    • B60B2900/212—Damage
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B2900/00—Purpose of invention
    • B60B2900/30—Increase in
    • B60B2900/321—Lifetime
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B2900/00—Purpose of invention
    • B60B2900/50—Improvement of
    • B60B2900/511—Sealing
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B2900/00—Purpose of invention
    • B60B2900/70—Adaptation for
    • B60B2900/711—High loads, e.g. by reinforcements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B60—VEHICLES IN GENERAL
    • B60B—VEHICLE WHEELS; CASTORS; AXLES FOR WHEELS OR CASTORS; INCREASING WHEEL ADHESION
    • B60B2900/00—Purpose of invention
    • B60B2900/70—Adaptation for
    • B60B2900/721—Use under adverse external conditions
    • 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
    • F16C19/18—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 two or more rows of balls
    • F16C19/181—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 two or more rows of balls with angular contact
    • F16C19/183—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 two or more rows of balls with angular contact with two rows at opposite angles
    • F16C19/184—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 two or more rows of balls with angular contact with two rows at opposite angles in O-arrangement
    • F16C19/186—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 two or more rows of balls with angular contact with two rows at opposite angles in O-arrangement with three raceways provided integrally on parts other than race rings, e.g. third generation hubs
    • 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
    • F16C2326/00—Articles relating to transporting
    • F16C2326/01—Parts of vehicles in general
    • F16C2326/02—Wheel hubs or castors
    • 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
    • F16C33/00—Parts of bearings; Special methods for making bearings or parts thereof
    • F16C33/72—Sealings
    • F16C33/76—Sealings of ball or roller bearings
    • F16C33/767—Sealings of ball or roller bearings integral with the race

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rolling Contact Bearings (AREA)

Abstract

一种车轮轴承单元，所述车轮轴承单元具有外部的环形元件(2)和内部的环形元件(3)，在所述外部的环形元件和内部的环形元件之间设置有至少两个滚动体排(5，6)，其中内部的环形元件(3)具有径向凸缘(4)，所述径向凸缘能够固定在车轴体或车轮上，其中径向凸缘(4)和/或内部的环形元件(3)在朝向外部的环形元件(2)的面(8)上具有至少一个突出部(9)。

Description

车轮轴承单元
技术领域
本发明涉及一种尤其用于机动车的车轮轴承单元。
背景技术
车轮轴承由外环和车轮轴承毂以及设置在其之间的滚动体构成。车轮轴承毂具有径向向外指向的车轮凸缘，在所述车轮凸缘上例如能够固定有车轮。在特定的行驶状况下，例如在行驶通过坑洼或者碰到路边石上时，轴向的或径向的撞击作用于车轮凸缘或车轮轴承毂。所述撞击造成，车轮凸缘/车轮轴承毂朝向车轮轴承单元的外环的方向运动并且撞击到其上。在此出现的力随后被导入到滚动轴承中。
从EP 2 184 181 B1中已知一种车轮轴承单元，所述车轮轴承单元具有车轮毂，所述车轮毂带有车轮凸缘。在外环和车轮毂之间设置有滚动轴承。在所描述的车轮轴承单元中，通过特定的间隙宽度避免滚动轴承由于侧向撞击而损坏。
发明内容
本发明基于如下目的，提供一种车轮轴承单元，所述车轮轴承单元在撞击作用于车轮轴承单元时减少滚动轴承的损坏，并且此外确保轴承的可靠密封。
根据本发明，所述目的通过一种车轮轴承单元来实现，所述车轮轴承单元具有外部的环形元件和内部的环形元件，在所述外部的环形元件和内部的环形元件之间设置有至少两个滚动体排，其中内部的环形元件具有径向凸缘，所述径向凸缘能够固定在车轴体上或车轮上，其中径向凸缘和/或内部的环形元件在朝向外部的环形元件的面上具有至少一个突出部。
本发明基于如下认知，在特定的行驶状况下，例如在行驶通过坑洼或碰到路边石上时，轴向的和径向的撞击作用于车轮轴承单元。所述撞击造成，内部的环形元件或径向凸缘接触外部的环形元件。在根据本发明的车轮轴承单元中，径向凸缘和/或内部的环形元件在朝向外部的环形元件的面上具有至少一个突出部。所述突出部构成为，使得在内部的环形元件或径向凸缘被轴向或径向撞击时，所述突出部吸收并且导出由此作用的力，以便避免滚动轴承和/或滚道的损坏。与现有技术不同，这种构造意味着更高的生产成本，然而所述构造总体上引起车轮轴承单元使用寿命的提高。
径向凸缘的和/或内部的环形元件的面能够具有一个或多个突出部，所述突出部在环周上分布地设置。此外，本发明能够涉及一种车轮轴承单元，其具有一排或多排呈X形或O形布置的滚动体。滚动体在此能够具有相同或不同的直径和/或构成不同的滚动轴承类型。
优选地，至少一个突出部在所述面上构成为环段。这表示，至少一个突出部不沿环周方向在整个面上延伸。如果设有多个突出部，那么所述突出部沿环周方向分布地设置在所述面上。这具有如下优点：根据车轮轴承单元的实施方式、存在的结构空间和要求，能够设有一个或多个突出部。
根据本发明的一个设计方案，至少一个突出部在径向凸缘上和/或在内部的环形元件上一体地构成，即一件式地构成。由此，能将径向凸缘或内部的环形元件连同突出部在一个生产步骤中制造。根据该设计方案能够取消突出部与径向凸缘或与内部的环形元件的其他连接。
根据本发明的一个设计方案，至少一个突出部构成为单独的元件。单独的元件在此能够直接地或间接地安置在径向凸缘的和/或内部的环形元件的面上。单独的元件例如能够由锻件构成。单独的元件也能够由其他金属的或非金属的材料构成。
优选地，单独的元件力配合地、形状配合地或材料配合地与径向凸缘和/或内部的环形元件连接。由此确保，单独的元件在使用寿命期间保持在固定的位置中。连接类型取决于单独的元件的设计方案，即例如材料、形状等。
在本发明的一个替选的设计方案中，至少一个突出部具有覆层。覆层能够用于减少出现的噪声。
附图说明
下面根据两个附图示出本发明的一个实施例。附图示出：
图1示出贯穿根据本发明的车轮轴承单元的纵剖面，
图2示出在图1中示出的车轮轴承单元的外部的环形元件的视图。
具体实施方式
图1示出根据一个实施方式的车轮轴承单元1，所述车轮轴承单元与未示出的车辆车轮相关联。车轮轴承单元1包括外部的环形元件2和内部的环形元件3。内部的环形元件3具有径向凸缘4，所述径向凸缘能够固定在未进一步示出的车轮上或车轴体上。此外，车轮轴承装置具有两个轴向间隔开的滚动体排5、6，所述滚动体排的滚动体在外侧在外部的环形元件2中被引导。在内侧，滚动体排5的滚动体直接在内部的环形元件3的滚道中被引导，并且滚动体排6的滚动体在内环7中被引导，所述内环固定在内部的环形元件3上。
为了详细阐述第一实施方式，下面参考图2。内部的环形元件3的或径向凸缘4的朝向外部的环形元件2的面8具有至少一个突出部9。如在图2中可见，端面8具有突出部9，所述突出部构成为环段。在此，突出部9在内部的环形元件3上或径向凸缘4上一体地，即一件式地构成。
在特定的行驶状况下，例如在行驶经过坑洼或碰到路边石的情况下，轴向的和/或径向的撞击能够作用到车轮轴承单元上。所述撞击造成，内部的环形元件3或径向凸缘4接触外部的环形元件2。在根据本发明的车轮轴承单元1中设有的突出部9构成为，使得在内部的环形元件3或径向凸缘4被轴向或径向撞击时，所述突出部吸收和导出由此作用的力，以便避免滚动轴承和/或滚道的损坏。在轴向的或径向的撞击时，在此仅突出部9被接触。然而本发明不局限于唯一的突出部9。
附图标记列表
1 车轮轴承单元
2 外部的环形元件
3 内部的环形元件
4 径向凸缘
5 滚动体排
6 滚动体排
7 内环
8 面
9 突出部

Claims (6)

1.一种车轮轴承单元，所述车轮轴承单元具有外部的环形元件(2)和内部的环形元件(3)，在所述外部的环形元件和内部的环形元件之间设置有至少两个滚动体排(5，6)，其中所述内部的环形元件(3)具有径向凸缘(4)，所述径向凸缘能够固定在车轴体或车轮上，
其特征在于，
所述径向凸缘(4)和/或所述内部的环形元件(3)在朝向所述外部的环形元件(2)的面(8)上具有至少一个突出部(9)。
2.根据权利要求1所述的车轮轴承单元，
其中至少一个所述突出部(9)在所述面(8)上构成为环段。
3.根据上述权利要求中任一项所述的车轮轴承单元，
其中至少一个所述突出部(8)在所述径向凸缘(4)上和/或在所述内部的环形元件(3)上一体地构成。
4.根据权利要求1或2所述的车轮轴承单元，
其中至少一个所述突出部(9)构成为单独的元件。
5.根据权利要求4所述的车轮轴承单元，
其中所述单独的元件力配合地、形状配合地或材料配合地与所述径向凸缘(4)和/或所述内部的环形元件(3)连接。
6.根据上述权利要求中任一项所述的车轮轴承单元，
其中至少一个所述突出部(9)具有覆层。
CN201680063455.5A 2015-11-02 2016-09-02 车轮轴承单元 Pending CN108349304A (zh)

Applications Claiming Priority (5)

Application Number Priority Date Filing Date Title
DE102015014059.0 2015-11-02
DE102015014059 2015-11-02
DE102016200774.2 2016-01-21
DE102016200774 2016-01-21
PCT/DE2016/200412 WO2017076403A1 (de) 2015-11-02 2016-09-02 Radlagereinheit

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US (1) US10464370B2 (zh)
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DE102016218447A1 (de) 2017-05-04
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US10464370B2 (en) 2019-11-05
WO2017076403A1 (de) 2017-05-11

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