CN107420421A - 组合轴连双列满装球轴承 - Google Patents

组合轴连双列满装球轴承 Download PDF

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CN107420421A
CN107420421A CN201710591459.7A CN201710591459A CN107420421A CN 107420421 A CN107420421 A CN 107420421A CN 201710591459 A CN201710591459 A CN 201710591459A CN 107420421 A CN107420421 A CN 107420421A
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groove
interior axle
outer ring
peripheral surface
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朱晓宏
杨小兵
时飞
石静静
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Jiangsu Wanda Special Bearing Co Ltd
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Priority to CN201810025027.4A priority patent/CN108194502B/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
    • F16C19/02—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
    • F16C19/18—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 two or more rows of balls
    • 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
    • F16C21/00—Combinations of sliding-contact bearings with ball or roller bearings, for exclusively rotary movement
    • 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
    • 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
    • F16C33/7806—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 spherical 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
    • F16C43/00—Assembling 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
    • F16C43/00—Assembling bearings
    • F16C43/04—Assembling rolling-contact 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
    • F16C43/00—Assembling bearings
    • F16C43/04—Assembling rolling-contact bearings
    • F16C43/045—Mounting or replacing seals
    • 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
    • F16C43/00—Assembling bearings
    • F16C43/04—Assembling rolling-contact bearings
    • F16C43/06—Placing rolling bodies in cages or 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
    • F16C2220/00—Shaping
    • F16C2220/40—Shaping by deformation without removing material
    • F16C2220/48—Shaping by deformation without removing material by extrusion, e.g. of metallic profiles
    • 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
    • F16C2226/00—Joining parts; Fastening; Assembling or mounting parts
    • F16C2226/10—Force connections, e.g. clamping
    • F16C2226/12—Force connections, e.g. clamping by press-fit, e.g. plug-in

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Mounting Of Bearings Or Others (AREA)
  • Rolling Contact Bearings (AREA)

Abstract

本发明涉及一种组合轴连双列满装球轴承，它包括外圈、内轴、非金属套、以及钢球，所述外圈的内周面和内轴的外周面两侧设置有沟槽，沟槽的外侧均开有环槽，环槽内安装有密封圈；所述钢球满装在外圈的内周面沟槽和内轴的外周面沟槽之间，钢球在外圈的内周面沟槽和内轴的外周面沟槽内滚动；所述非金属套压嵌在外圈的内周面中部，套在内轴的外周面中部，位于两侧钢球之间，非金属套与内轴之间相对滑动，非金属套两端与钢球之间具有空隙。优点是将普通双列满装球轴承和非金属套的滑动轴承有机结合在一起，轴承承载能力与轴承寿命大幅提高，能够适应载荷要求较高的环境。

Description

组合轴连双列满装球轴承
技术领域
本发明涉及满装球轴承领域，具体涉及一种组合轴连双列满装球轴承。
背景技术
普通双列满装球轴承和非金属套的滑动轴承，都可以承受径向负荷，以及作用在两个方向的轴向负荷，但双列满装球轴承较非金属套的滑动轴承相比，其径向负荷能力偏弱；非金属套的滑动轴承较双列满装球轴承相比，其轴向负荷能力偏弱；在载荷要求较高的环境，普通双列满装球轴承和非金属套的滑动轴承都无法很好的适应，轴承实用寿命短。
发明内容
为了解决上述问题，本发明提出了一种组合轴连双列满装球轴承，设计巧妙，结构合理，轴承承载能力与轴承寿命大幅提高，能够适应载荷要求较高的环境。
一种组合轴连双列满装球轴承，它包括外圈、内轴、非金属套、以及钢球，所述外圈的内周面和内轴的外周面两侧设置有沟槽，沟槽的外侧均开有环槽，环槽内安装有密封圈；所述钢球满装在外圈的内周面沟槽和内轴的外周面沟槽之间，钢球在外圈的内周面沟槽和内轴的外周面沟槽内滚动；所述非金属套压嵌在外圈的内周面中部，套在内轴的外周面中部，位于两侧钢球之间，非金属套与内轴之间相对滑动，非金属套两端与钢球之间具有空隙。
所述组合轴连满装球轴承的组装工艺，包括以下几个步骤：
（1）利用压套工装，将非金属套压嵌在轴承外圈的内周面中部；
（2）将轴承内轴穿入外圈与非金属套内孔中，调节内轴位置，使内轴的外周面沟槽与外圈的内周面沟槽位置对应；
（3）将钢球放在轴承外圈与内轴之间空隙外侧，用敲棒敲击钢球，使钢球进入外圈的内周面沟槽和内轴的外周面沟槽之间；
（4）重复步骤（3）将钢球一个一个填入外圈的内周面沟槽和内轴的外周面沟槽之间，至外圈的内周面沟槽和内轴的外周面沟槽内填满钢球；
（5）将密封圈安装在轴承外圈的内周面与内轴的外周面两侧环槽内，完成组合轴连满装球轴承的组装。
在步骤（1）中，所述压套工装为三阶阶梯式圆柱体，非金属套套在第三阶柱体上，第二阶柱体外周面直径小于轴承外圈的内周面直径，第一阶柱体外周面直径大于外圈的外周面直径。
所述非金属套与外圈的内周面、内轴的外周面之间的径向间隙小于0.05mm。
所述非金属套与外圈的内周面、内轴的外周面之间的径向间隙小于钢球与外圈的内周面沟槽、内轴的外周面沟槽之间的径向间隙。
本发明设计巧妙，结构合理，将普通双列满装球轴承和非金属套的滑动轴承有机结合在一起，轴承承载能力与轴承寿命大幅提高，能够适应载荷要求较高的环境。
附图说明
图1是本发明的截面结构示意图。
图2是压套工装的压装非金属套结构示意图。
具体实施方式
参照附图1-2，一种组合轴连双列满装球轴承，它包括外圈1、内轴2、非金属套3、以及钢球4，所述外圈1的内周面和内轴2的外周面两侧设置有沟槽5（6），沟槽5（6）的外侧均开有环槽7，环槽7内安装有密封圈8；所述钢球4满装在外圈1的内周面沟槽5和内轴2的外周面沟槽6之间，钢球4在外圈1的内周面沟槽5和内轴2的外周面沟槽6内滚动；所述非金属套3压嵌在外圈1内周面中部，套在内轴2的外周面中部，位于两侧钢球4之间，非金属套3与内轴2之间相对滑动，非金属套3两端与钢球4之间具有空隙。
所述组合轴连满装球轴承的组装工艺，包括以下几个步骤：
（1）利用压套工装9，将非金属套3压嵌在轴承外圈1的内周面中部；
（2）将轴承内轴2穿入外圈1与非金属套3内孔中，调节内轴2位置，使内轴2的外周面沟槽5与外圈1的内周面沟槽5位置对应；
（3）将钢球4放在轴承外圈1与内轴2之间空隙外侧，用敲棒敲击钢球4，使钢球4进入外圈1的内周面沟槽5和内轴2的外周面沟槽5之间；
（4）重复步骤（3）将钢球4一个一个填入外圈1的内周面沟槽5和内轴2的外周面沟槽6之间，至外圈1的内周面沟槽5和内轴2的外周面沟槽6内填满钢球4；
（5）将密封圈8安装在轴承外圈1的内周面与内轴2的外周面两侧环槽7内，完成组合轴连满装球轴承的组装。
在步骤（1）中，所述压套工装9为三阶阶梯式圆柱体，非金属套套在第三阶柱体上，第二阶柱体外周面直径小于轴承外圈1的内周面直径，第一阶柱体外周面直径大于外圈2的外周面直径。
所述非金属套3与外圈1的内周面、内轴2的外周面之间的径向间隙小于0.05mm。
所述非金属套3与外圈1的内周面、内轴2的外周面之间的径向间隙小于钢球与外圈1的内周面沟槽5、内轴2的外周面沟槽6之间的径向间隙。
本发明设计巧妙，结构合理，将普通双列满装球轴承和非金属套的滑动轴承有机结合在一起，轴承承载能力与轴承寿命大幅提高，能够适应载荷要求较高的环境。

Claims (5)

1.一种组合轴连双列满装球轴承，其特征在于，它包括外圈、内轴、非金属套、以及钢球，所述外圈的内周面和内轴的外周面两侧设置有沟槽，沟槽的外侧均开有环槽，环槽内安装有密封圈；所述钢球满装在外圈的内周面沟槽和内轴的外周面沟槽之间，钢球在外圈的内周面沟槽和内轴的外周面沟槽内滚动；所述非金属套压嵌在外圈的内周面中部，套在内轴的外周面中部，位于两侧钢球之间，非金属套与内轴之间相对滑动，非金属套两端与钢球之间具有空隙。
2.根据权利要求1所述的一种组合轴连双列满装球轴承，其特征是所述组合轴连满装球轴承的组装工艺，包括以下几个步骤：
（1）利用压套工装，将非金属套压嵌在轴承外圈的内周面中部；
（2）将轴承内轴穿入外圈与非金属套内孔中，调节内轴位置，使内轴的外周面沟槽与外圈的内周面沟槽位置对应；
（3）将钢球放在轴承外圈与内轴之间空隙外侧，用敲棒敲击钢球，使钢球进入外圈的内周面沟槽和内轴的外周面沟槽之间；
（4）重复步骤（3）将钢球一个一个填入外圈的内周面沟槽和内轴的外周面沟槽之间，至外圈的内周面沟槽和内轴的外周面沟槽内填满钢球；
（5）将密封圈安装在轴承外圈的内周面与内轴的外周面两侧环槽内，完成组合轴连满装球轴承的组装。
3.根据权利要求2所述的一种组合轴连双列满装球轴承，其特征是在步骤（1）中，所述压套工装为三阶阶梯式圆柱体，非金属套套在第三阶柱体上，第二阶柱体外周面直径小于轴承外圈的内周面直径，第一阶柱体外周面直径大于外圈的外周面直径。
4.根据权利要求3所述的一种组合轴连双列满装球轴承，其特征是所述非金属套与外圈的内周面、内轴的外周面之间的径向间隙小于0.05mm。
5.根据权利要求4所述的一种组合轴连双列满装球轴承，其特征是所述非金属套与外圈的内周面、内轴的外周面之间的径向间隙小于钢球与外圈的内周面沟槽、内轴的外周面沟槽之间的径向间隙。
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Application publication date: 20171201