CN201196201Y - 双列圆锥滚子轴承 - Google Patents

双列圆锥滚子轴承 Download PDF

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Publication number
CN201196201Y
CN201196201Y CNU200820300784XU CN200820300784U CN201196201Y CN 201196201 Y CN201196201 Y CN 201196201Y CN U200820300784X U CNU200820300784X U CN U200820300784XU CN 200820300784 U CN200820300784 U CN 200820300784U CN 201196201 Y CN201196201 Y CN 201196201Y
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China
Prior art keywords
bearing
double
inner ring
roller
height
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Expired - Fee Related
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CNU200820300784XU
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English (en)
Inventor
宋海芳
陶永刚
胡伟海
宋伯仁
杜以月
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Wafangdian No1 Rolling-Mill Bearing Manufacturing Co Ltd
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Wafangdian No1 Rolling-Mill Bearing Manufacturing Co Ltd
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Priority to CNU200820300784XU priority Critical patent/CN201196201Y/zh
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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
    • F16C19/22—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

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  • Rolling Contact Bearings (AREA)

Abstract

本实用新型公开一种双列圆锥滚子轴承，设有双外圈(1)及单内圈(2)，在外圈(1)及内圈(2)间设置有两组保持架，保持架内安装有圆锥滚子(4)，其特征在于：该轴承内径为圆锥形，锥度为1∶12，所述外圈的总高度小于内圈的高度。本实用新型将现有技术中内圈、外圈装配高度相同，改为内圈装配高度比外圈高，轴承内孔采用锥形，这样易于安装、拆卸，且易于在轴上定位固定。该轴承有两个外圈，一个内圈，尽量减少每一列滚子间的相互影响，减少滚子的被损坏机率。

Description

双列圆锥滚子轴承
技术领域：
本实用新型涉及一种大型轴承，主要用于钢铁冶金行业中厚板大型轧机作支承辊的所用的双列圆锥滚子轴承。
背景技术：
具有一个双滚道外国，两个单滚道内圈，内圈和外国的装配高度相同，这种轴承本身尺寸大，因而安装非常麻烦，其在安装时与轴承座外壳孔相对位置不易固定，对于轴承座内的其他部件不好安装，拆卸麻烦，由于内圈、外国间的滚子滚动不灵活，易于损坏，轴承的寿命短。
发明内容：
本实用新型针对现有技术的上述不足，提供一种装配方便，加工简单，承载能力强的双列圆锥滚子轴承。
本实用新型的技术解决方案是：一种双列圆锥滚子轴承，设有双外国及单内圈，在外国及内圈间设置有两组保持架，保持架内安装有圆锥滚子，其特征在于：该轴承内径为圆锥形，锥度为1:12，所述外国的高度小于内圈的高度。
每个圆锥滚子开有中心孔，中心孔两端为圆锥孔，中部为圆柱孔，所述的保持架是由销轴，及销轴两端的板状环形保持架构成，其中销轴贯穿于圆锥滚子的中心孔，板状环形保持架置于圆锥滚子两端面。
所述的销轴一端与板状环形保持架为铆接，另一端与板状环形保持架为螺纹连接。
本实用新型有如下效果：
1)安装、拆卸方便：本实用新型将现有技术中内圈、外国装配高度相同，改为内圈装配高度比外国高，轴承内孔采用锥形，这样易于安装、拆卸，且易于在轴上定位固定。
2)延长了轴承的使用寿命：该轴承有两个外国，一个内圈，尽量减少每一列滚子间的相互影响，减少滚子的被损坏机率，为了使销轴更好地引导滚子，滚子内的中心孔两端为圆锥孔，中部为圆柱孔，使滚子滚动灵活，同时每一滚子内的销轴与保持架一端螺纹联接，一端铆接，即能实现方便更换滚子，又能防止滚子松散，易跑位的现象。
附图说明：
图1为本实用新型的结构示意图。
具体实施方式：
下面结合附图进一步说明本实用新型的具体实施方式。
如图1所示，一种双列圆锥滚子轴承，该轴承内径为圆锥形，锥度为1:12。设有双外国1及单内圈2，这样减少每一列滚子间的相互影响，滚子不易被损坏，从而延长滚子4的使用寿命，在外国1及内圈2间设置有两组保持架，保持架内安装有圆锥滚子4，所述外国的高度小于内圈的高度。使得该轴承不受轴的限制，容易安装定位，且容易拆卸。每个圆锥滚子4开有中心孔，所述的保持架是由销轴9，及销轴9两端的板状环形保持架6构成，其中销轴9贯穿于圆锥滚子4的中心孔，板状环形保持架置于圆锥滚子4两端面。为了使销轴9更好的引导滚子4，使滚子4滚动灵活，不易被卡住，通过钻孔和镗孔的加工工艺，将所述中心孔9两端加工成圆锥孔，中部加工成圆柱孔。为了保证滚子4能被固定好，而且在滚子4被损坏后易被拆卸更换，将所述销轴9一端与所述板状环形保持架6螺纹联接，另一端与其铆接。

Claims (3)

1.一种双列圆锥滚子轴承，设有双外圈(1)及单内圈(2)，在外圈(1)及内圈(2)间设置有两组保持架，保持架内安装有圆锥滚子(4)，其特征在于：该轴承内径为圆锥形，锥度为1:12，所述外圈的总高度小于内圈的高度。
2.根据权利要求1所述的双列圆锥滚子轴承，其特征在于：每个圆锥滚子(4)开有中心孔，中心孔两端为圆锥孔，中部为圆柱孔，所述的保持架是由销轴(9)，及销轴(9)两端的板状环形保持架(6)构成，其中销轴(9)贯穿于圆锥滚子(4)的中心孔，板状环形保持架置于圆锥滚子(4)两端面。
3.根据权利要求2所述的双列圆锥滚子轴承，其特征在于：所述的销轴(9)一端与板状环形保持架(6)为铆接，另一端与板状环形保持架(6)为螺纹连接。
CNU200820300784XU 2008-05-19 2008-05-19 双列圆锥滚子轴承 Expired - Fee Related CN201196201Y (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106050907A (zh) * 2016-08-11 2016-10-26 瓦房店冶金轴承集团有限公司 空心滚子轴承

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN106050907A (zh) * 2016-08-11 2016-10-26 瓦房店冶金轴承集团有限公司 空心滚子轴承

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Granted publication date: 20090218