CN201802753U - 推力深沟滚球式回转支承 - Google Patents

推力深沟滚球式回转支承 Download PDF

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CN201802753U
CN201802753U CN2010202858870U CN201020285887U CN201802753U CN 201802753 U CN201802753 U CN 201802753U CN 2010202858870 U CN2010202858870 U CN 2010202858870U CN 201020285887 U CN201020285887 U CN 201020285887U CN 201802753 U CN201802753 U CN 201802753U
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clamping ring
steel ball
lower clamping
slewing bearing
ring
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CN2010202858870U
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齐佩
刘庆梗
曹雪党
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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
    • F16C19/10—Bearings with rolling contact, for exclusively rotary movement with bearing balls essentially of the same size in one or more circular rows 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
    • F16C2300/00—Application independent of particular apparatuses
    • F16C2300/10—Application independent of particular apparatuses related to size
    • F16C2300/14—Large applications, e.g. bearings having an inner diameter exceeding 500 mm

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  • Rolling Contact Bearings (AREA)

Abstract

一种推力深沟滚球式回转支承，属于回转支承。该回转支承包括上压圈、下压圈、钢球和隔离块，在上压圈和下压圈之间有钢球和隔离块，钢球和隔离块间隔分布，钢球和隔离块的形状相同，在上压圈和下压圈上有钢球滚道，在钢球的滚道的底端有油槽；所述的上压圈和下压圈的钢球轨道的接触角为90°。该回转支承的内、外径尺寸差减小，接触角为90°，即滚动体的传力方向与回转支承径向平面之间的交角为90°。优点：结构空间小、转动力距小、承载轴向力大，上压圈和下圈加工的工艺简单；总成装配时，上压圈和下压圈与钢球的组装方便。

Description

推力深沟滚球式回转支承 
技术领域
本实用新型涉及一种回转支承，特别是一种推力深沟滚球式回转支承。 
背景技术
目前，国内回转支承行业所生产的回转支承结构形式，是外滚圈和内滚圈通过钢球相互转动，分为单排四点接触球式、单排交叉滚柱式、双排异径球式、三排滚柱式。其中单排四点接触球式，接触角≤50°。上述回转支承适用于结构空间大、转动力距大、承载轴向力小的场合，能够满足绝大部分情况的使用要求，但对于结构空间小、转动力距小、承载轴向力大的场合，现有的回转支承的结构形式就不能满足这种要求。主要应用于冶金机械中的轧环机，手动旋转机械的回转部位。 
实用新型内容
本实用新型的目的是要提供一种：推力深沟滚球式回转支承，解决现在技术的回转支承不能适用于结构空间小、转动力距小、承载轴向力大的问题。 
本实用新型的目的是这样实现的：该回转支承包括上压圈、下压圈、钢球和隔离块，在上压圈和下压圈之间有钢球和隔离块，钢球和隔离块间隔分布，钢球和隔离块的形状相同，在上压圈和下压圈上有钢球滚道，在钢球的滚道的底端有油槽。 
所述的上压圈和下压圈的钢球轨道的接触角为90°。 
有益效果：由于采用了上述方案，采用上压圈和下压圈，在上压圈和下压圈之间有钢球，在钢球之间有隔离块，隔离块与钢球间隔排布，使该回转支承的内、外径尺寸差减小，接触角为90°，即滚动体的传力方向与回转支承径向平面之间的交角为90°；保证滚道中心的直径偏差0.05mm左右，在装配时顺利与钢球组装。上下滚圈的环形滚道保证曲率半径及接触角90°的一致性，解决了现在技术的回转支承不能适用于结构空间小、转动力距小、承载轴向力大的问题，达到了本实用新型的目的。 
优点：结构空间小、转动力距小、承载轴向力大，上压圈和下圈加工的工艺简单；总成装配时，上压圈和下压圈与钢球的组装方便。 
附图说明
图1为本实用新型的结构图。 
图中，1、上压圈；2、下压圈；3、吊装孔；4、钢球；5、油槽。 
具体实施方式
实施例1：该回转支承包括上压圈1、下压圈2、钢球4和隔离块，在上压圈1和下压圈2之间有钢球4和隔离块，钢球4和隔离块间隔分布，钢球4和隔离块的形状相同，在上压圈1和下压圈2上有钢球滚道，在钢球的滚道的底端有油槽5。 
所述的上压圈1和下压圈2的钢球轨道的接触角为90°。 
上压圈1和下压圈2之间通过装填的钢球而联成一体，并通过钢球相互转动。并且在每钢球之间装入一隔离块，以避免钢球之间产生摩擦。 

Claims (2)

1.一种推力深沟滚球式回转支承，其特征是：该回转支承包括上压圈、下压圈、钢球和隔离块，在上压圈和下压圈之间有钢球和隔离块，钢球和隔离块间隔分布，钢球和隔离块的形状相同，在上压圈和下压圈上有钢球滚道，在钢球的滚道的底端有油槽。
2.根据权利要求1所述的推力深沟滚球式回转支承，其特征是：所述的上压圈和下压圈的钢球轨道的接触角为90°。
CN2010202858870U 2010-08-05 2010-08-05 推力深沟滚球式回转支承 Expired - Fee Related CN201802753U (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102269216A (zh) * 2011-07-27 2011-12-07 北京航空航天大学 一种轻量化航空遥感稳定平台用方位轴承

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102269216A (zh) * 2011-07-27 2011-12-07 北京航空航天大学 一种轻量化航空遥感稳定平台用方位轴承
CN102269216B (zh) * 2011-07-27 2013-03-20 北京航空航天大学 一种轻量化航空遥感稳定平台用方位轴承

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Granted publication date: 20110420

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