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CN105782238A - 一种径轴向复合圆柱滚子轴承 - Google Patents

一种径轴向复合圆柱滚子轴承 Download PDF

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CN105782238A
CN105782238A CN201610256394.6A CN201610256394A CN105782238A CN 105782238 A CN105782238 A CN 105782238A CN 201610256394 A CN201610256394 A CN 201610256394A CN 105782238 A CN105782238 A CN 105782238A
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ring
axial
outer ring
inner ring
bearing
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王辉
吴浩
刘彬
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ZHEJIANG TIANMA BEARING CO Ltd
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ZHEJIANG TIANMA BEARING CO Ltd
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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
    • F16C19/545—Systems comprising at least one rolling bearing for radial load in combination with at least one rolling bearing for axial load
    • 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
    • F16C19/56—Systems consisting of a plurality of bearings with rolling friction in which the rolling bodies of one bearing differ in diameter from those of another
    • 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
    • F16C33/46—Cages for rollers or needles
    • F16C33/4617—Massive or moulded cages having cage pockets surrounding the rollers, e.g. machined window cages
    • F16C33/4623—Massive or moulded cages having cage pockets surrounding the rollers, e.g. machined window cages formed as one-piece cages, i.e. monoblock cages
    • F16C33/4635—Massive or moulded cages having cage pockets surrounding the rollers, e.g. machined window cages formed as one-piece cages, i.e. monoblock cages made from plastic, e.g. injection moulded window cages
    • 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
    • F16C33/583—Details of specific parts of races
    • F16C33/585—Details of specific parts of races of raceways, e.g. ribs to guide the rollers
    • 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
    • F16C33/66—Special parts or details in view of lubrication
    • F16C33/6637—Special parts or details in view of lubrication with liquid lubricant
    • F16C33/664—Retaining the liquid in or near the bearing
    • F16C33/6651—Retaining the liquid in or near the bearing in recesses or cavities provided in retainers, races or rolling elements
    • 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
    • F16C33/78—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members
    • F16C33/7803—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members suited for particular types of rolling bearings
    • F16C33/7809—Sealings of ball or roller bearings with a diaphragm, disc, or ring, with or without resilient members suited for particular types of rolling bearings for needle roller 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
    • F16C19/24—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 radial load mainly
    • F16C19/26—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 radial load mainly with a single row of rollers
    • 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
    • F16C19/30—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 axial load mainly
    • 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
    • F16C2361/00—Apparatus or articles in engineering in general
    • F16C2361/61—Toothed gear systems, e.g. support of pinion shafts
    • 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
    • F16C2361/00—Apparatus or articles in engineering in general
    • F16C2361/65—Gear shifting, change speed gear, gear box

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

Abstract

本发明公开了一种径轴向复合圆柱滚子轴承，包括有径向轴承组件和轴向轴承组件；所述径向轴承组件包括有外圈、内圈以及滚动安装在外圈和内圈之间的径向滚子组，所述径向滚子组安装在一个径向保持架上；所述的轴向轴承组件包括有轴圈、座圈以及滚动连接在轴圈和座圈之间的轴向滚子组，所述轴向滚子组安装在一个轴向保持架上；所述轴圈与所述内圈异于内圈挡壁的一端相抵。该轴承轴向承载力得到很大提升；该轴承安装方便，降低安装损坏率，提高轴承使用寿命；轴向轴承轴圈同时作为径向轴承的内挡圈，如此设计可缩减空间，节约成本，提高寿命；结构紧凑，提高了同轴度，运转更稳定，降低噪声。

Description

一种径轴向复合圆柱滚子轴承
技术领域
本发明属于轴承结构领域，具体涉及一种能同时承受径向和较大轴向联合负荷的径轴向复合圆柱滚子轴承，主要用于汽车变速箱、工业变速箱等领域。
背景技术
轴承是一种应用在转动机构上，用来支撑，减少摩擦以及承受负载的部件。该产品主要为用于汽车变速箱等机械而设计，由于可以同时承受径向载荷和轴向载荷，尤其是较大轴向负荷，装拆简单，承载能力很强，且外圈带O型圈设计可防止运转打滑。因而适用于径向载荷和较大轴向载荷的汽车变速箱等机械。目前国内主要采用一套NUP结构的圆柱滚子轴承来满足工况需求，但轴向载荷很难达到要求，且安装时容易损伤滚子，轴承运转升温时外圈容易出现打滑现象。
发明内容
本发明所要解决的技术问题是：针对现有技术存在的不足，提供一种轴向承载力高、装拆方便、预防打滑、较高寿命的径轴向复合圆柱滚子轴承。
为实现本发明之目的，采用以下技术方案予以实现：一种径轴向复合圆柱滚子轴承，包括有径向轴承组件和轴向轴承组件；所述径向轴承组件包括有外圈、内圈以及滚动安装在外圈和内圈之间的径向滚子组，所述径向滚子组安装在一个径向保持架上；
所述外圈内壁成型有外滚道面，所述外圈的一端成型有外圈挡壁，所述外圈的另一端成型有锥面，所述外圈内壁与外圈挡壁连接处成型有外圈油槽；
所述内圈外壁成型有内滚道面，所述内圈远离外圈挡壁的一端成型有内圈挡壁，所述内圈外壁与内圈挡壁连接处成型有内圈油槽；
所述内圈异于内圈挡壁的一端端面与所述外圈挡壁的内表面平齐；
所述的轴向轴承组件包括有轴圈、座圈以及滚动连接在轴圈和座圈之间的轴向滚子组，所述轴向滚子组安装在一个轴向保持架上；
所述轴圈与所述内圈异于内圈挡壁的一端相抵。
作为优选方案：所述径向保持架沿周向均匀地成型有多个兜孔，径向保持架上位于两相邻兜孔之间为连接梁，径向保持架外周位于每个所述连接梁的位置成型有凹槽；所述径向保持架上位于连接梁的端部位置成型有储油槽，所述连接梁朝向兜孔的每个侧壁成型有两个接触头。
作为优选方案：所述外圈外壁成型有O型圈槽，所述O型圈槽上套设有O型密封圈。
作为优选方案：所述径向保持架采用玻璃纤维增强聚酰胺46材料一体注塑成型加工。
与现有技术相比较，本发明的有益效果是：①轴承轴向承载力得到很大提升；②轴承完全分体式，安装方便，降低安装损坏率，提高轴承使用寿命；③在结构上，轴向轴承轴圈同时作为径向轴承的内挡圈，如此设计可缩减空间，节约成本，提高寿命；④结构紧凑，提高了同轴度，运转更稳定，降低噪声。
附图说明
图1是本发明的结构示意图。
图2是外圈的结构示意图。
图3是内圈的结构示意图。
图4是径向保持架的局部轴向剖视图
图5是图4的A-A向剖视图。
图6是图4的C向视图。
1、外圈；10、外圈挡壁；11、O型圈槽；12、锥面；13、外滚道面；14、外圈油槽；2、内圈；20、内圈挡壁；21、内滚道面；22、内圈油槽；3、径向滚子组；4、径向保持架；40、连接梁；41、兜孔；42、凹槽；43、储油槽、44、接触头；5、O型密封圈；6、轴圈；7、座圈；8、轴向滚子组；9、轴向保持架。
具体实施方式
下面根据附图对本发明的具体实施方式做一个详细的说明。
根据图1至图6所示，本实施例所述的一种径轴向复合圆柱滚子轴承，包括有径向轴承组件和轴向轴承组件；所述径向轴承组件包括有外圈1、内圈2以及滚动安装在外圈和内圈之间的径向滚子组3，所述径向滚子组安装在一个径向保持架4上。
所述外圈内壁成型有外滚道面，所述外圈的一端成型有外圈挡壁10，所述外圈的另一端成型有锥面12，所述锥面的锥角为22-24°，锥面12用以引导径向滚子组顺利进入外圈滚道面13。。所述外圈内壁与外圈挡壁连接处成型有外圈油槽14。
所述内圈2外壁成型有内滚道面21，所述内圈远离外圈挡壁的一端成型有内圈挡壁20，所述内圈外壁与内圈挡壁连接处成型有内圈油槽22。
所述内圈异于内圈挡壁的一端端面与所述外圈挡壁的内表面平齐。
所述的轴向轴承组件包括有轴圈6、座圈以及滚动连接在轴圈和座圈之间的轴向滚子组8，所述轴向滚子组安装在一个轴向保持架9上；
所述轴圈与所述内圈异于内圈挡壁的一端相抵。
所述径向保持架4沿周向均匀地成型有多个兜孔41，径向保持架上位于两相邻兜孔之间为连接梁40，径向保持架外周位于每个所述连接梁的位置成型有凹槽42；所述径向保持架上位于连接梁的端部位置成型有储油槽43，所述连接梁朝向兜孔的每个侧壁成型有两个接触头44。所述径向保持架采用玻璃纤维增强聚酰胺46材料一体注塑成型加工。所述兜孔与径向滚子组接触为四点接触型，四个接触头44实为四小段凸点，四个接触头将滚子组保持在保持架兜孔内；所述凹槽42用以储油及增加保持架安装弹性，利于径向滚子的拆装，而且保持架的重量有所降低，节约了成本，体现出了经济效益。所述径向保持架由PA46-GF25(玻璃纤维增强聚酰胺46)材料一体注塑成型加工，正产加工及轴承装配均很方便，效率较高。PA46-GF30材料可提高轴承耐热温度。
所述外圈外壁成型有O型圈槽，所述O型圈槽上套设有O型密封圈。可预防在轴承运转发热时因为轴承外圈与外壳材料涨缩不同而造成外圈打滑的现象发生，提高寿命，降低机械故障率。
该径轴向复合圆柱滚子轴承装配时，先将O型圈5套在外圈上，径向滚子组3一颗颗手工装入径向保持架4的兜孔中，然后将内圈套入已装好保持架的滚子组内径中，使滚子组置于内滚道面21上，内圈有内圈挡壁的一面朝下平放，之后将外圈锥面朝下套在内圈与滚子组的组合件外，使径向滚子组外径外接于外圈滚道面13，测量该径向轴承的径向游隙值。然后，将轴向滚子组8一颗颗手工装入轴向保持架9的兜孔中，使各轴向滚子与轴向保持架成一组合，将轴圈外端面与内圈2无内圈挡壁一端面贴合放置，轴向滚子组置于轴圈内端面与座圈内端面之间。为防止散开，可用尼龙绑扎带将所有零件由内而外绑在一起。至此，一套径轴向复合圆柱滚子轴承装配完毕。

Claims (2)

1.一种径轴向复合圆柱滚子轴承，其特征在于：包括有径向轴承组件和轴向轴承组件；所述径向轴承组件包括有外圈、内圈以及滚动安装在外圈和内圈之间的径向滚子组，所述径向滚子组安装在一个径向保持架上；
所述外圈内壁成型有外滚道面，所述外圈的一端成型有外圈挡壁，所述外圈的另一端成型有锥面，所述外圈内壁与外圈挡壁连接处成型有外圈油槽；
所述内圈外壁成型有内滚道面，所述内圈远离外圈挡壁的一端成型有内圈挡壁，所述内圈外壁与内圈挡壁连接处成型有内圈油槽；
所述内圈异于内圈挡壁的一端端面与所述外圈挡壁的内表面平齐；
所述的轴向轴承组件包括有轴圈、座圈以及滚动连接在轴圈和座圈之间的轴向滚子组，所述轴向滚子组安装在一个轴向保持架上；
所述轴圈与所述内圈异于内圈挡壁的一端相抵；
所述径向保持架沿周向均匀地成型有多个兜孔，径向保持架上位于两相邻兜孔之间为连接梁，径向保持架外周位于每个所述连接梁的位置成型有凹槽；所述径向保持架上位于连接梁的端部位置成型有储油槽，所述连接梁朝向兜孔的每个侧壁成型有两个接触头；
所述外圈外壁成型有O型圈槽，所述O型圈槽上套设有O型密封圈。
2.根据权利要求1所述的一种径轴向复合圆柱滚子轴承，其特征在于：所述径向保持架采用玻璃纤维增强聚酰胺46材料一体注塑成型加工。
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CN111156247A (zh) * 2018-11-08 2020-05-15 舍弗勒技术股份两合公司 轴承装置以及具有轴承装置的变速器设备
CN111561516A (zh) * 2020-04-29 2020-08-21 浙江天马轴承集团有限公司 一种带齿圈的定心驱动组合轴承
CN112096833A (zh) * 2020-09-03 2020-12-18 盛瑞传动股份有限公司 变速箱壳体与输出轴的连接结构及其装配方法

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CN205101403U (zh) * 2015-11-06 2016-03-23 湖州凯沃希精工机械有限公司 轻薄型圆锥滚子轴承保持架
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US980426A (en) * 1910-01-07 1911-01-03 Hyatt Roller Bearing Co Roller-bearing for side and end strains.
US3802754A (en) * 1971-08-17 1974-04-09 Nadella Needle bearing
US4231739A (en) * 1979-04-11 1980-11-04 Professional Mfg. Corp. Unitary cartridge type turbine assembly
US5261750A (en) * 1991-05-10 1993-11-16 Deere & Company Bearing assembly
JP4069616B2 (ja) * 2001-11-30 2008-04-02 株式会社ジェイテクト ピニオン軸支持用軸受装置
US20080019630A1 (en) * 2006-07-18 2008-01-24 Jtekt Corporation Cage for roller bearing
CN101596767A (zh) * 2009-07-06 2009-12-09 青岛四方车辆研究所有限公司 铁路客车滚子轴承保持架的成型工艺
CN204003997U (zh) * 2014-08-08 2014-12-10 浙江天马轴承有限公司 一种圆柱滚子轴承的保持架
CN205101403U (zh) * 2015-11-06 2016-03-23 湖州凯沃希精工机械有限公司 轻薄型圆锥滚子轴承保持架
CN205559542U (zh) * 2016-04-21 2016-09-07 浙江天马轴承有限公司 一种径轴向复合圆柱滚子轴承

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN111156247A (zh) * 2018-11-08 2020-05-15 舍弗勒技术股份两合公司 轴承装置以及具有轴承装置的变速器设备
CN111561516A (zh) * 2020-04-29 2020-08-21 浙江天马轴承集团有限公司 一种带齿圈的定心驱动组合轴承
CN112096833A (zh) * 2020-09-03 2020-12-18 盛瑞传动股份有限公司 变速箱壳体与输出轴的连接结构及其装配方法
CN112096833B (zh) * 2020-09-03 2021-12-07 盛瑞传动股份有限公司 变速箱壳体与输出轴的连接结构及其装配方法

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