CN102454699A - 具有高径向承载能力的圆环滚子轴承 - Google Patents

具有高径向承载能力的圆环滚子轴承 Download PDF

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Publication number
CN102454699A
CN102454699A CN2010105171412A CN201010517141A CN102454699A CN 102454699 A CN102454699 A CN 102454699A CN 2010105171412 A CN2010105171412 A CN 2010105171412A CN 201010517141 A CN201010517141 A CN 201010517141A CN 102454699 A CN102454699 A CN 102454699A
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China
Prior art keywords
bearing
ring raceway
roller
outer ring
inner ring
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CN2010105171412A
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English (en)
Inventor
张志良
杜善亮
刘福林
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WAFANGDIAN ZHENGDA METALLURGICAL MILL BEARING CO Ltd
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WAFANGDIAN ZHENGDA METALLURGICAL MILL BEARING CO Ltd
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Priority to CN2010105171412A priority Critical patent/CN102454699A/zh
Publication of CN102454699A publication Critical patent/CN102454699A/zh
Pending legal-status Critical Current

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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
    • F16C23/00Bearings for exclusively rotary movement adjustable for aligning or positioning
    • F16C23/06Ball or roller bearings
    • F16C23/08Ball or roller bearings self-adjusting
    • 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
    • F16C19/24Bearings 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 radial load mainly
    • F16C19/26Bearings 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 radial load mainly with a single row of rollers

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Rolling Contact Bearings (AREA)
  • Support Of The Bearing (AREA)

Abstract

本发明公开了一种具有高径向承载能力的圆环滚子轴承,主要是由外圈、内圈、滚子、保持架、外圈滚道和内圈滚道组成。所述外圈一侧的凹形面为外圈滚道,所述内圈一侧的凹形面为内圈滚道,所述滚子设置在外圈滚道与内圈滚道之间,滚子由保持架固定。外圈滚道曲率半径比调心滚子轴承大得多,曲率半径中心落在轴承轴心线之外;所述滚子成桶形,滚子母线呈圆弧型;所述轴承的内圈滚道和外圈滚道均呈凹形,环绕轴承中心对称分布。本发明结合球面滚子轴承的自动调心能力和圆柱滚子轴承轴向位移特性,同时还拥有滚针轴承的紧凑截面,其寿命是其他调心滚子轴承寿命的三倍,它能使工业机器的转速提高15%。

Description

具有高径向承载能力的圆环滚子轴承
技术领域
本发明涉及轴承技术领域,具体的是涉及一种适用于齿轮箱、小齿轮、鼓风机、泵、印刷机、造纸机等设备的具有高径向承载能力的圆环滚子轴承。
背景技术
轴承的用途是广泛的,其形式也是多种多样的。现有的轴承中,如球面滚子轴承,该类轴承由于外圈滚道的圆弧中心与轴承中心一致,具有调心性能,主要用于造纸机械、减速装置、铁路车辆车轴、印刷机械、木工机械等领域;圆柱滚子轴承,其圆柱滚子与滚道呈线接触,具有轴向位移特性,径向负荷能力大,即适用于承受重负荷与冲击负荷,也适用于高速旋转,用于中型及大型电动机、发电机、机床主轴、减速装置等各类产业机械;又如滚针轴承,具有紧凑截面,体积可以缩小,并可承受大的径向负荷,适用于汽车发动机、变速器、桥式起重机、压缩机等。但对于齿轮箱、小齿轮、鼓风机、泵、印刷机、造纸机等设备,既要求所用轴承具有自动调心能力和轴向位移特性,还需要其具有紧凑截面。
发明内容
鉴于已有技术存在的缺陷,本发明的目的是要提供一种结合了自动调心能力和轴向位移特性,并能节省空间和降低生产成本的具有高径向承载能力的圆环滚子轴承。
为实现上述目的,本发明所采用的技术解决方案主要包括外圈、内圈、滚子、保持架、外圈滚道和内圈滚道。所述外圈一侧的凹形面为外圈滚道,所述内圈一侧的凹形面为内圈滚道,所述滚子设置在外圈滚道与内圈滚道之间,滚子由保持架固定。
所述外圈滚道曲率半径比调心滚子轴承大得多,曲率半径中心落在轴承轴心线之外,套圈无引导挡边。
所述滚子较长并成桶形,滚子母线呈圆弧型,能自动调心。
当工作游隙为典型值时,允许的轴向偏移为轴承宽度的20%;允许倾斜偏角达1??,是圆柱滚子轴承或滚针轴承的10倍。
所述轴承的内圈滚道和外圈滚道均呈凹形,环绕轴承中心对称分布。
本发明的优点是:1、该轴承具有圆柱轴承和滚针轴承的套圈能够相对轴向移动,又具有调心滚子轴承高径向承载能力和调心性能;2、该型轴承滚子较长,可显著提高轴承的径向承载能力, 另一方面,由于滚子母线呈圆弧型,能自动调心,当套圈有较大偏斜时,接触应力增加不显著;3、该种轴承的摩擦损耗约为单列调心滚子轴承的1/3;4、该轴承的结构特点可保证接触应力均匀分布,提高承载能力,其寿命是其他调心滚子轴承寿命的三倍,它能使工业机器的转速提高15%。
附图说明
图1是本发明结构示意图。
具体实施方式
图1附图标记如下:外圈1、滚子2、内圈3、保持架4、外圈滚道5、内圈滚道6。
在图1所示的具有高径向承载能力的圆环滚子轴承示意图中,其主要结构包括外圈1、内圈3、滚子2、保持架4、外圈滚道5和内圈滚道6。所述外圈1一侧的凹形面为外圈滚道5,所述内圈3一侧的凹形面为内圈滚道6,所述滚子2设置在外圈滚道5与内圈滚道6之间,滚子2由保持架4固定。

Claims (4)

1.具有高径向承载能力的圆环滚子轴承,其特征在于:是由外圈、内圈、滚子、保持架、外圈滚道和内圈滚道组成;所述外圈一侧的凹形面为外圈滚道,所述内圈一侧的凹形面为内圈滚道,所述滚子设置在外圈滚道与内圈滚道之间,滚子由保持架固定。
2.根据权力要求1所述的具有高径向承载能力的圆环滚子轴承,其特征在于:所述外圈滚道曲率半径比调心滚子轴承大得多,曲率半径中心落在轴承轴心线之外,套圈无引导挡边。
3.根据权力要求1所述的具有高径向承载能力的圆环滚子轴承,其特征在于:所述滚子较长并成桶形,滚子母线呈圆弧型,能自动调心。
4.根据权力要求1所述的具有高径向承载能力的圆环滚子轴承,其特征在于:所述轴承的内圈滚道和外圈滚道均呈凹形,环绕轴承中心对称分布。
CN2010105171412A 2010-10-23 2010-10-23 具有高径向承载能力的圆环滚子轴承 Pending CN102454699A (zh)

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Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104595358A (zh) * 2014-12-30 2015-05-06 瓦房店轴承集团有限责任公司 具有调心性圆柱滚子轴承
CN105917126A (zh) * 2014-01-15 2016-08-31 舍弗勒技术股份两合公司 滚动轴承
CN106122276A (zh) * 2016-08-30 2016-11-16 刘保国 一种轴承
CN106286587A (zh) * 2016-08-31 2017-01-04 瓦房店正达冶金轧机轴承有限公司 一种具有高径向承载能力的圆环滚子轴承
CN107986095A (zh) * 2017-12-21 2018-05-04 漯河恒丰机械制造科技有限公司 一种线轴钢丝恒张力放线机

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2730020A3 (fr) * 1995-01-27 1996-08-02 Skf Ab Roulement a rouleaux comprenant des rouleaux et des pistes de roulement a profils courbes.
CN201083231Y (zh) * 2007-07-10 2008-07-09 襄樊振本传动设备有限公司 一种自动调心可轴向位移精密轴承
CN201121651Y (zh) * 2007-12-11 2008-09-24 洛阳轴研科技股份有限公司 单列调心滚子轴承
CN201318392Y (zh) * 2008-12-15 2009-09-30 芜湖三行轴承有限公司 一种单列的调心滚子轴承
CN201513472U (zh) * 2009-09-30 2010-06-23 六安滚动轴承有限公司 一种新型单列调心滚子轴承

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2730020A3 (fr) * 1995-01-27 1996-08-02 Skf Ab Roulement a rouleaux comprenant des rouleaux et des pistes de roulement a profils courbes.
CN201083231Y (zh) * 2007-07-10 2008-07-09 襄樊振本传动设备有限公司 一种自动调心可轴向位移精密轴承
CN201121651Y (zh) * 2007-12-11 2008-09-24 洛阳轴研科技股份有限公司 单列调心滚子轴承
CN201318392Y (zh) * 2008-12-15 2009-09-30 芜湖三行轴承有限公司 一种单列的调心滚子轴承
CN201513472U (zh) * 2009-09-30 2010-06-23 六安滚动轴承有限公司 一种新型单列调心滚子轴承

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105917126A (zh) * 2014-01-15 2016-08-31 舍弗勒技术股份两合公司 滚动轴承
CN104595358A (zh) * 2014-12-30 2015-05-06 瓦房店轴承集团有限责任公司 具有调心性圆柱滚子轴承
CN106122276A (zh) * 2016-08-30 2016-11-16 刘保国 一种轴承
CN106122276B (zh) * 2016-08-30 2019-03-19 刘保国 一种轴承
CN106286587A (zh) * 2016-08-31 2017-01-04 瓦房店正达冶金轧机轴承有限公司 一种具有高径向承载能力的圆环滚子轴承
CN107986095A (zh) * 2017-12-21 2018-05-04 漯河恒丰机械制造科技有限公司 一种线轴钢丝恒张力放线机

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Application publication date: 20120516