CN201651035U - 四点接触球轴承 - Google Patents

四点接触球轴承 Download PDF

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Publication number
CN201651035U
CN201651035U CN2010201477227U CN201020147722U CN201651035U CN 201651035 U CN201651035 U CN 201651035U CN 2010201477227 U CN2010201477227 U CN 2010201477227U CN 201020147722 U CN201020147722 U CN 201020147722U CN 201651035 U CN201651035 U CN 201651035U
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China
Prior art keywords
inner ring
point contact
contact ball
ring
radius
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Expired - Fee Related
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CN2010201477227U
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English (en)
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侯丽袅
董晓红
卫雅静
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LUOYANG JUCHUANG BEARING TECHNOLOGY CO LTD
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LUOYANG JUCHUANG BEARING TECHNOLOGY 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
    • 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
    • F16C19/00—Bearings with rolling contact, for exclusively rotary movement
    • F16C19/02—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows
    • F16C19/14—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load
    • F16C19/16—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with a single row of balls
    • F16C19/163—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows for both radial and axial load with a single row of balls with angular contact
    • F16C19/166—Four-point-contact ball bearings

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

Abstract

一种四点接触球轴承，包括外圈、内圈、钢球和保持器，其中内圈为单一完整的内圈，外圈的内面和内圈的外面各有一条环形滚道槽，滚道槽截面为两条对称的圆弧线构成，每条圆弧线的半径(r2)等于钢球的半径(r1)的1.1-1.3倍，圆弧线和钢球的切点与钢球球心连线和垂线的夹角(a)在20-35°之间。本实用新型四点接触球轴承，方便了客户安装，也简化内圈加工过程，大大提高了生产效率。

Description

四点接触球轴承
技术领域
本实用新型涉及机械技术，特别涉及一种四点接触球轴承。
背景技术
四点接触球轴承是一种常见的轴承，广泛使用。原来的四点接触球轴承结构中采用双半内圈(见图2)，在安装的过程中，内部容易混入杂物，轴承的轴向游隙以及回转因此受到影响，大大影响了轴承的寿命。另外在加工过程中，原来的双半内圈两平均接触直径和单一平面平均内径均有相互差，加工难度比较大。
实用新型内容
为提高四点接触球轴承的使用寿命，本实用新型提供一种单内圈的四点接触球轴承。
本实用新型四点接触球轴承，包括外圈、钢球和保持器，其中：所述内圈为单一完整的内圈。
本实用新型四点接触球轴承，其中：所述外圈的内面和内圈的外面各有一条环形滚道槽。
本实用新型四点接触球轴承，其中：所述滚道槽截面为两条对称的圆弧线(5)构成，每条圆弧线的半径r2等于钢球的半径r1的1.1-1.3倍，圆弧线和钢球的切点与钢球球心连线和垂线的夹角a在20-35°之间。
本实用新型四点接触球轴承，方便了客户安装，也简化内圈加工过程，大大提高了生产效率。
附图说明
图1是本实用新型四点接触球轴承的示意图；
图2是本实用新型四点接触球轴承的滚道槽示意图。
具体实施方式
下面结合实施例对本实用新型四点接触球轴承作更详尽的说明。
图1是本实施例四点接触球轴承的示意图。
为某顾客提供的四点接触球轴承其原结构见图2，安装精度较高且不变，双半内圈在安装的过程中，内部容易混入杂物，轴承的轴向游隙以及回转因此受到影响，大大影响了轴承的寿命。为此我们在不改变其主要技术要求的情况下，将内圈2改为整体内圈(见图1)，且保持原有产品的性能不变。另外在加工过程中，原来的双半内圈两平均接触直径和单一平面平均内径均有相互差，改变后的内圈弥补了这些不足。
外圈1的内面和内圈2的外面各有一条环形滚道槽，滚道槽截面为两条对称的圆弧线5构成(见图2)，每条圆弧线5的半径r2等于钢球3半径r1的1.1-1.3倍。
钢球3安装在滚道槽中，有支撑架4固定钢球3之间的距离；圆弧线5和钢球3的切点与钢球球心连线和垂线的夹角a在20-35°之间，保持四点接触球轴承钢球3和一条滚道槽只有两点接触的特点。

Claims (3)

1.一种四点接触球轴承，包括外圈(1)、钢球(3)和保持器(4)，其特征在于：所述内圈(2)为单一完整的内圈(2)。
2.根据权利要求1所述的四点接触球轴承，其特征在于：所述外圈(1)的内面和内圈(2)的外面各有一条环形滚道槽。
3.根据权利要求2所述的四点接触球轴承，其特征在于：所述滚道槽截面为两条对称的圆弧线构成，每条圆弧线的半径(r2)等于钢球(3)的半径(r1)的1.1-1.3倍，圆弧线和钢球的切点与钢球球心连线和垂线的夹角(a)在20-35°之间。 
CN2010201477227U 2010-04-01 2010-04-01 四点接触球轴承 Expired - Fee Related CN201651035U (zh)

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103216540A (zh) * 2013-04-01 2013-07-24 浙江欧迪恩传动科技股份有限公司 一种球笼式双压力角等速万向节
CN104141697A (zh) * 2013-05-08 2014-11-12 襄阳汽车轴承股份有限公司 一种传动轴支撑单元
CN104956105A (zh) * 2013-01-30 2015-09-30 日本精工株式会社 多点接触球轴承
CN106015317A (zh) * 2016-07-22 2016-10-12 青岛泰德汽车轴承股份有限公司 一种水泵离合器支撑轴承

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104956105A (zh) * 2013-01-30 2015-09-30 日本精工株式会社 多点接触球轴承
CN103216540A (zh) * 2013-04-01 2013-07-24 浙江欧迪恩传动科技股份有限公司 一种球笼式双压力角等速万向节
CN104141697A (zh) * 2013-05-08 2014-11-12 襄阳汽车轴承股份有限公司 一种传动轴支撑单元
CN106015317A (zh) * 2016-07-22 2016-10-12 青岛泰德汽车轴承股份有限公司 一种水泵离合器支撑轴承

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