CN111288074A - 滚动轴承单元 - Google Patents

滚动轴承单元 Download PDF

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Publication number
CN111288074A
CN111288074A CN201911217798.4A CN201911217798A CN111288074A CN 111288074 A CN111288074 A CN 111288074A CN 201911217798 A CN201911217798 A CN 201911217798A CN 111288074 A CN111288074 A CN 111288074A
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China
Prior art keywords
rolling bearing
unit
bearing unit
sensor unit
sensor
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Pending
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CN201911217798.4A
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English (en)
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约翰内斯·比格纳
迪特·施莱尔
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SKF AB
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SKF AB
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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
    • F16C41/00—Other accessories, e.g. devices integrated in the bearing not relating to the bearing function as such
    • 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
    • F16C19/22—Bearings 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
    • 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
    • F16C19/22—Bearings 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
    • F16C19/34—Bearings 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
    • F16C19/38—Bearings 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
    • F16C19/383—Bearings 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 tapered rollers, i.e. rollers having essentially the shape of a truncated cone
    • F16C19/385—Bearings 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 tapered rollers, i.e. rollers having essentially the shape of a truncated cone with two rows, i.e. double-row tapered roller bearings
    • F16C19/386—Bearings 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 tapered rollers, i.e. rollers having essentially the shape of a truncated cone with two rows, i.e. double-row tapered roller bearings in O-arrangement
    • 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
    • F16C33/30—Parts of ball or roller bearings
    • F16C33/58—Raceways; Race rings
    • F16C33/60—Raceways; Race rings divided or split, e.g. comprising two juxtaposed rings
    • 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
    • F16C2233/00—Monitoring condition, e.g. temperature, load, vibration

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

Abstract

本发明涉及包括至少一个传感器单元(10)的滚动轴承单元。所提出的是，传感器单元在轴向上布置在滚动轴承单元的两列滚动元件列(12，14)之间。

Description

滚动轴承单元
技术领域
本发明涉及根据方案1的前序部分的滚动轴承单元。
背景技术
包括传感器单元的滚动轴承单元是已知的，该传感器单元布置于滚动轴承单元的滚动轴承。
发明内容
特别的是，本发明的目的包括提供效率提高的上述类型的滚动轴承单元。该目的通过独立方案1的特征和独立方案2的特征有创造性地实现，而本发明的有利设计和其它发展可以在从属方案中得到。
本发明涉及包括至少一个传感器单元的滚动轴承单元。
所提出的是，传感器单元在轴向上布置在滚动轴承单元的两列滚动元件列之间。“传感器单元在轴向上布置在滚动轴承单元的两列滚动元件列之间”应当理解为特别是指，传感器单元布置在边界由如下两个平面限定的空间区域中：这两平面均排他地具有垂直于滚动轴承单元的轴向的表面延伸方向，其中平面与滚动元件列的面对端相互接触。根据本发明，能够实现效率提高。特别的是，传感器能够对如下部位进行测量：在该部位处，能够获得高质量测量结果。此外，特别的是，能够有效率地使用安装空间。
其它优点可以从附图的以下描述得到。附图中描绘了本发明的示例性实施方式。附图、说明书和权利要求书包含组合的数个特征。本领域技术人员还将有利地考虑单个特征，并且还将单个特征组合成其它有意义的组合。
附图说明
图1示出了穿过本发明滚动轴承单元的轴截面，
图2示出了沿着滚动轴承单元的外圈和内圈上的轴向的示意图，其中去除了第二内圈和第二滚动元件列。
附图标记说明
10 传感器单元
12 滚动单元列
14 滚动单元列
16 内部
18 电路板
20 外圈
22 内圈
23 内圈
24 无线电通信单元
26 供能单元
具体实施方式
图1示出了穿过本发明滚动轴承单元的示意性轴截面，滚动轴承单元包括在轴向上布置在滚动轴承单元的两列滚动元件列12、14之间的传感器单元10，特别的是，传感器单元10布置在滚动轴承单元的内部16。第一滚动元件列与滚动轴承单元的外圈20和内圈22接触。此外，第二滚动元件列14与滚动轴承单元的外圈和内圈23接触。传感器单元包括单独的传感器，其被装配成测量滚动轴承单元的内部空间16的大气湿度、内部中的压力、内圈的振动和内部中的当前温度。内部16位于内圈与外圈之间，并且在内部16的轴向端处被密封件密封。
传感器单元布置于滚动轴承单元的电路板18并附接于电路板18。此外，滚动轴承单元包括无线电通信单元(radio unit)24和被构造为电池的供能单元(/能源供给单元)(energy-supply unit)26，无线电通信单元24和供能单元26也布置于电路板并附接于电路板。传感器单元、无线电通信单元和供能单元通过电路板彼此电连接。通过传感器单元获得的测量结果从无线电通信单元发送到位于滚动轴承单元外部的接收器，并且能够在接收器处进一步处理。
传感器单元、无线电通信单元、供能单元和电路板以免受油的影响的方式封装。电路板与内圈直接连接并还附接于内圈。电路板是弯曲的(图2)。参照沿轴向的视图，其曲率大于外圈的曲率且小于内圈22的曲率。
滚动轴承单元和接收器可以是卡车、机动车(automobile)或轨道车辆的一部分。
在可选的示例性实施方式中，电路板不与内圈直接附接，而是与如下的圈直接附接：该圈附接于小的圈或两内圈，并且能够将密封件压入内圈之间的空隙。归因于该附接，传感器单元也附接于相应的圈。
在另一可选的示例性实施方式中，传感器单元、无线电通信单元和供能单元不布置于电路板，而是分离地布置于内圈并通过电缆电连接。

Claims (10)

1.一种滚动轴承单元，其包括至少一个传感器单元(10)，其特征在于，所述传感器单元在轴向上布置在所述滚动轴承单元的两列滚动元件列(12，14)之间。
2.根据权利要求1所述的滚动轴承单元，所述滚动轴承单元包括至少一个传感器单元(10)，其特征在于，所述传感器单元被构造成测量所述滚动轴承单元的内部(16)中的大气湿度和/或水分和/或压力，和/或测量振动和/或温度。
3.根据权利要求2所述的滚动轴承单元，其特征在于，所述传感器单元布置在所述滚动轴承单元的内部。
4.根据前述权利要求中任一项所述的滚动轴承单元，其特征在于，所述传感器单元的至少一部分布置于所述滚动轴承单元的弯曲的电路板。
5.根据权利要求4所述的滚动轴承单元，其特征在于，所述电路板的曲率落在所述滚动轴承单元的外圈(20)的曲率与所述滚动轴承单元的内圈(22)的曲率之间。
6.根据前述权利要求中任一项所述的滚动轴承单元，其特征在于，所述滚动轴承单元包括至少一个无线电通信单元(24)和至少一个供能单元(26)，所述无线电通信单元和所述供能单元与所述传感器单元电连接。
7.根据权利要求6所述的滚动轴承单元，其特征在于，所述无线电通信单元和/或所述供能单元和/或所述传感器单元通过电缆彼此连接。
8.根据权利要求6或7所述的滚动轴承单元，其特征在于，所述传感器单元和/或所述无线电通信单元或供能单元以免受油的影响的方式封装。
9.根据前述权利要求中任一项所述的滚动轴承单元，其特征在于，所述传感器单元与附接于所述滚动轴承单元的内圈的圈附接。
10.一种卡车、机动车或轨道车辆，其包括根据前述权利要求中任一项所述的滚动轴承单元。
CN201911217798.4A 2018-12-10 2019-12-03 滚动轴承单元 Pending CN111288074A (zh)

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US11477308B2 (en) * 2020-12-28 2022-10-18 Aira Technologies, Inc. Adaptive payload extraction in wireless communications involving multi-access address packets

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Publication number Priority date Publication date Assignee Title
US6535135B1 (en) * 2000-06-23 2003-03-18 The Timken Company Bearing with wireless self-powered sensor unit
JP2002357220A (ja) * 2001-06-01 2002-12-13 Nsk Ltd 回転検出装置付転がり軸受ユニット
CN1723385A (zh) * 2003-05-22 2006-01-18 日本精工株式会社 用于滚动轴承单元的载荷测量装置以及载荷测量滚动轴承单元
JP2005221412A (ja) * 2004-02-06 2005-08-18 Ntn Corp 回転センサ付軸受
WO2005097505A2 (de) * 2004-04-05 2005-10-20 Koenig & Bauer Aktiengesellschaft Druckeinheit einer rollenrotationsdruckmaschine
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US11015654B2 (en) 2021-05-25
US20200182303A1 (en) 2020-06-11
DE102018221324A1 (de) 2020-06-10

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