CN201739483U - 行星齿轮转动润滑结构 - Google Patents

行星齿轮转动润滑结构 Download PDF

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Publication number
CN201739483U
CN201739483U CN 201020298383 CN201020298383U CN201739483U CN 201739483 U CN201739483 U CN 201739483U CN 201020298383 CN201020298383 CN 201020298383 CN 201020298383 U CN201020298383 U CN 201020298383U CN 201739483 U CN201739483 U CN 201739483U
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Prior art keywords
oil
planetary gear
planetary
planetary pinion
mandrel
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CN 201020298383
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English (en)
Inventor
孙尚贞
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BENGBU PLANETARY ENGINEERING MACHINERY Co Ltd
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BENGBU PLANETARY ENGINEERING MACHINERY Co Ltd
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Priority to CN 201020298383 priority Critical patent/CN201739483U/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
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/04—Features relating to lubrication or cooling or heating
    • F16H57/0467—Elements of gearings to be lubricated, cooled or heated
    • F16H57/0479—Gears or bearings on planet carriers
    • 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
    • F16H—GEARING
    • F16H57/00—General details of gearing
    • F16H57/04—Features relating to lubrication or cooling or heating
    • F16H57/042—Guidance of lubricant
    • F16H57/043—Guidance of lubricant within rotary parts, e.g. axial channels or radial openings in shafts
    • F16H57/0431—Means for guiding lubricant directly onto a tooth surface or to foot areas of a gear, e.g. by holes or grooves in a tooth flank

Abstract

行星齿轮转动润滑结构，行星齿轮套在芯轴外部，滚针支承在行星齿轮与芯轴之间，芯轴的两端装在行星架上，在芯轴上沿其轴向和径向分别设有贯通的进油孔和排油孔，进油孔与排油孔相通，排油孔与行星齿轮的内孔相通，在行星齿轮内部设有排油通道，排油通道的两端分别与行星齿轮的内孔及齿根部位处贯通。进油孔和排油孔的设置，可使润滑油顺畅的进入到滚针所处的位置，使滚针得到充分的润滑。本实用新型结构合理、可靠，它可使滚针的使用寿命大大提高。

Description

行星齿轮转动润滑结构
技术领域
本实用新型涉及行星齿轮的转动润滑结构。
背景技术
现有行星减速器中的一种行星齿轮转动机构为，行星齿轮套在芯轴外部，滚针支承在行星齿轮与芯轴之间，芯轴的两端装在行星架中。对于这种行星轮转动机构的润滑，目前采用的手段是：在行星齿轮的端面开有与行星齿轮内孔相通的进油槽，在行星齿轮的内部加工出一端与其内孔相通、另一端贯通其外侧的排油通道。目前的这种润滑手段存在的欠缺是：润滑油进入到滚针所处位置的过程不够流畅，对滚针的润滑效果不够理想，导致滚针的使用寿命较短。
实用新型内容
本实用新型的目的在于提供一种行星齿轮转动润滑结构，该转动润滑结构可使润滑油顺畅的进入到滚针所处的位置。
为实现上述目的，本实用新型采用以下方案：行星齿轮转动润滑结构，行星齿轮套在芯轴外部，滚针支承在行星齿轮与芯轴之间，芯轴的两端装在行星架上，在芯轴上沿其轴向和径向分别设有贯通的进油孔和排油孔，进油孔与排油孔相通，排油孔与行星齿轮的内孔相通，在行星齿轮内部设有排油通道，排油通道的两端分别与行星齿轮的内孔及齿根部位处贯通。
由上述方案可见，芯轴上进油孔和排油孔的设置，可使润滑油顺畅的进入到滚针所处的位置，使滚针得到充分的润滑。
本实用新型结构合理、可靠，它可使滚针的使用寿命大大提高。
附图说明
附图为本实用新型一实施例的结构图。
具体实施方式
以下结合实施例及附图进一步说明本实用新型。
参见附图
本实用新型提供的行星齿轮转动润滑结构中，行星齿轮1套在芯轴4的外部，滚针3支承在行星齿轮1与芯轴4之间，芯轴4的两端装在行星架2上，在芯轴4上沿其轴向和径向分别设有贯通的进油孔4a和排油孔4b，进油孔4a与排油孔4b相通，排油孔4b与行星齿轮1的内孔1a相通，在行星齿轮1内部设有排油通道1b，排油通道1b的两端分别与行星齿轮1的内孔1a及齿根部位处贯通。
另外，为保证滚针3所处部位进入的润滑油充足均匀，本实施例中，进油孔4a为一个，排油孔4b为两个，两排油孔4b沿行星齿轮1的中截面对称布置。

Claims (2)

1.行星齿轮转动润滑结构，行星齿轮套在芯轴外部，滚针支承在行星齿轮与芯轴之间，芯轴的两端装在行星架上，其特征在于：在芯轴上沿其轴向和径向分别设有贯通的进油孔和排油孔，进油孔与排油孔相通，排油孔与行星齿轮的内孔相通，在行星齿轮内部设有排油通道，排油通道的两端分别与行星齿轮的内孔及齿根部位处贯通。
2.根据权利要求1所述的行星齿轮转动润滑结构，其特征在于：进油孔为一个，排油孔为两个，两排油孔沿行星齿轮的中截面对称布置。
CN 201020298383 2010-08-20 2010-08-20 行星齿轮转动润滑结构 Expired - Fee Related CN201739483U (zh)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103307261A (zh) * 2012-03-14 2013-09-18 天津建筑机械厂 齿轮传动强制润滑系统
CN103511606A (zh) * 2013-10-17 2014-01-15 中国北方车辆研究所 一种用于行星排均载的行星轮轴
CN103604032A (zh) * 2013-10-21 2014-02-26 启东中冶润滑设备有限公司 尼龙齿轮润滑装置

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN103307261A (zh) * 2012-03-14 2013-09-18 天津建筑机械厂 齿轮传动强制润滑系统
CN103511606A (zh) * 2013-10-17 2014-01-15 中国北方车辆研究所 一种用于行星排均载的行星轮轴
CN103511606B (zh) * 2013-10-17 2016-02-03 中国北方车辆研究所 一种用于行星排均载的行星轮轴
CN103604032A (zh) * 2013-10-21 2014-02-26 启东中冶润滑设备有限公司 尼龙齿轮润滑装置
CN103604032B (zh) * 2013-10-21 2019-10-25 启东中冶润滑液压设备有限公司 尼龙齿轮润滑装置

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