CN204646988U - 一种组合轴承 - Google Patents

一种组合轴承 Download PDF

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Publication number
CN204646988U
CN204646988U CN201520338018.2U CN201520338018U CN204646988U CN 204646988 U CN204646988 U CN 204646988U CN 201520338018 U CN201520338018 U CN 201520338018U CN 204646988 U CN204646988 U CN 204646988U
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CN
China
Prior art keywords
bearing
thrust
radial
platform
rolling element
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Expired - Fee Related
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CN201520338018.2U
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English (en)
Inventor
张建立
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
HEBEI FUTELAI BEARING TECHNOLOGY Co Ltd
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HEBEI FUTELAI BEARING TECHNOLOGY Co Ltd
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Priority to CN201520338018.2U priority Critical patent/CN204646988U/zh
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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
    • F16C19/22Bearings 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
    • F16C19/50Other types of ball or roller bearings
    • F16C19/505Other types of ball or roller bearings with the diameter of the rolling elements of one row differing from the diameter of those of another row

Abstract

本实用新型涉及一种组合轴承,包括一个向心轴承和推力轴承共用的内圈,内圈包括平台和在平台一端凸起形成的凸台;在轴承的径向上,平台与向心轴承外圈之间安装滚动体;在轴承的轴向上,凸台内端面与推力轴承垫圈之间安装推力轴承保持架,并在推力轴承保持架内安装滚动体。由推力轴承部分承受设备的轴向力,起止推作用,同时保证向心轴承不受轴向力破坏,由向心轴承部分承受径向力能够同时承受较高的轴向力和径向力,满足了设备同时具有较高的轴向和径向载荷的正常使用和运转。推力轴承的一个垫圈和向心轴承的内圈设计成一体,安装方便,消除了两体加工的多处误差和安装误差,保证了组合轴承运转平稳,提高了轴承使用寿命。

Description

一种组合轴承
技术领域
本实用新型涉及轴承技术领域,具体是一种向心轴承和推力轴承结合的组合轴承。
背景技术
出于生产的需要,很多情况下,设备要同时承受较大的轴向和径向的共同载荷,这样单纯的使用推力或向心轴承肯定是不能满足要求的,而一般的向心轴承只能承受较小的轴向力。
发明内容
本实用新型要解决的技术问题是提供一种能够同时承受轴向和径向的共同载荷的的组合轴承。
为解决以上技术问题,本实用新型采用的技术方案是:一种高承载能力的组合轴承,包括一个向心轴承和推力轴承共用的内圈, 内圈包括平台和在平台一端凸起形成的凸台;在轴承的径向上,平台与向心轴承外圈之间安装滚动体;在轴承的轴向上,凸台内端面与推力轴承垫圈之间安装推力轴承保持架,并在推力轴承保持架内安装滚动体。
本实用新型是一个由推力滚子轴承和向心满装圆柱滚子轴承组成的组合轴承,平台作为向心轴承的内圈,凸台作为推力轴承的一个垫圈。该轴承一端为通用的推力圆柱滚子轴承,用以完成使用时的止推功能,对另一端的向心圆柱滚子轴承起到轴向保护作用,另一端的向心轴承完成对径向的承载作用。
作为优选的技术方案,所述的平台外端设有挡边,滚动体内端设弹性挡圈。
作为另一种优选的额技术方案,所述的平台与向心轴承外圈之间满装圆柱滚动体。由于是满装滚动体,相对于同样外形尺寸的其它结构具有较高的径向承载能力。
本实用新型由推力轴承部分承受设备的轴向力,起止推作用,同时保证向心轴承不受轴向力破坏,由向心轴承部分承受径向力能够同时承受较高的轴向力和径向力,满足了设备同时具有较高的轴向和径向载荷的正常使用和运转。推力轴承的一个垫圈和向心轴承的内圈设计成一体,这样在使用时较两体的安装方便,消除了两体加工的多处误差和安装误差,保证了组合轴承的运转精度,保证了运转平稳,提高了轴承使用寿命,优于两种轴承的简单组合。
附图说明
图1是本实用新型的结构示意图。
图中,1-内圈,2-向心轴承外圈,3-滚动体,4-推力轴承垫圈,5-推力轴承保持架,6-弹性挡圈。
具体实施方式
为了使本领域技术人员更好的理解本实用新型,以下结合附图对本实用新型作进一步清楚、完整的说明。
图1所示的一种高承载能力的组合轴承是一个由推力滚子轴承和向心满装圆柱滚子轴承组成的组合轴承,包括一个向心轴承和推力轴承共用的内圈1, 内圈1包括平台和在平台一端凸起形成的凸台,平台作为向心轴承的内圈,凸台作为推力轴承的一个垫圈。
在轴承的径向上,平台与向心轴承外圈2之间安装滚动体3,平台外端设有挡边,滚动体3内端设弹性挡圈6。可以满装圆柱滚动体以增大其承载力。
在轴承的轴向上,凸台内端面与推力轴承垫圈4之间安装推力轴承保持架5,并在推力轴承保持架5内安装滚动体。
本实用新型要求保护的范围不限于以上具体实施方式,对于本领域技术人员而言,本实用新型可以有多种变形和更改,凡在本实用新型的构思与原则之内所作的任何修改、改进和等同替换都应包含在本实用新型的保护范围之内。

Claims (3)

1.一种组合轴承,其特征在于:包括一个向心轴承和推力轴承共用的内圈(1), 内圈(1)包括平台和在平台一端凸起形成的凸台;在轴承的径向上,平台与向心轴承外圈(2)之间安装滚动体(3);在轴承的轴向上,凸台内端面与推力轴承垫圈(4)之间安装推力轴承保持架(5),并在推力轴承保持架(5)内安装滚动体。
2.根据权利要求1所述的组合轴承,其特征在于:所述的平台外端设有挡边,滚动体(3)内端设弹性挡圈(6)。
3.根据权利要求1所述的组合轴承,其特征在于:所述的平台与向心轴承外圈(2)之间满装圆柱滚动体。
CN201520338018.2U 2015-05-25 2015-05-25 一种组合轴承 Expired - Fee Related CN204646988U (zh)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106089994A (zh) * 2016-08-08 2016-11-09 浙江天马轴承有限公司 一种径轴向复合深沟球推力球轴承
CN106678175A (zh) * 2017-03-06 2017-05-17 常熟长城轴承有限公司 一种旋转与垂直方向往复运动一体化的复合轴承
CN109681446A (zh) * 2019-01-15 2019-04-26 中国石油大学(华东) 超临界co2溶剂加压离心泵
WO2021258252A1 (zh) * 2020-06-22 2021-12-30 烟台杰瑞石油装备技术有限公司 一种组合轴承式大规格活动弯头机构

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106089994A (zh) * 2016-08-08 2016-11-09 浙江天马轴承有限公司 一种径轴向复合深沟球推力球轴承
CN106678175A (zh) * 2017-03-06 2017-05-17 常熟长城轴承有限公司 一种旋转与垂直方向往复运动一体化的复合轴承
CN109681446A (zh) * 2019-01-15 2019-04-26 中国石油大学(华东) 超临界co2溶剂加压离心泵
WO2021258252A1 (zh) * 2020-06-22 2021-12-30 烟台杰瑞石油装备技术有限公司 一种组合轴承式大规格活动弯头机构

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Granted publication date: 20150916

Termination date: 20210525