CN203130997U - 行星减速机轴向间隙调整结构 - Google Patents

行星减速机轴向间隙调整结构 Download PDF

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CN203130997U
CN203130997U CN 201320112181 CN201320112181U CN203130997U CN 203130997 U CN203130997 U CN 203130997U CN 201320112181 CN201320112181 CN 201320112181 CN 201320112181 U CN201320112181 U CN 201320112181U CN 203130997 U CN203130997 U CN 203130997U
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sun gear
adjusting
axial clearance
spacer
speed reducer
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吴兵
孙尚贞
郭延林
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BENGBU PLANETARY ENGINEERING MACHINERY Co Ltd
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Abstract

行星减速机轴向间隙调整结构，包括端盖、外齿圈及太阳轮，端盖与外齿圈的一端联接，太阳轮设于外齿圈内，端盖中部开有的通孔上装有密封端盖，密封端盖的中部开有调节孔，调节孔外端部具有一段内螺纹，一调整螺钉与调节孔外端部的内螺纹联接，调节孔内装有一与太阳轮轴端中部相对的调整垫，太阳轮与调整垫相对的轴端中部具有一凸出的连接头，连接头与调整垫联接，调整垫的外端面与调整螺钉的前端抵靠。向内旋进调整螺钉、抵推调整垫移动，由调整垫向内抵推太阳轮，可减小太阳轮的轴向间隙，将调整螺钉向外旋出一点，使太阳轮获得较大的松动空间，可增大太阳轮的轴向间隙。本实用新型不需打开端盖即可调整太阳轮的轴向间隙。

Description

行星减速机轴向间隙调整结构
技术领域
本实用新型涉及行星减速机，具体地说是一种行星减速机轴向间隙调整结构。
背景技术
    行星减速机以体积小、传动效率高、减速范围大、精度高等诸多优点，被广泛引用于伺服、步进、直流等传动系统中，其作用就是在保证精密传动的前提下，降低转速、增大扭矩和降低负载。由于行星减速机在工作过程中其中的太阳轮会受热膨胀、且会有一定浮动，因此要求太阳轮的轴向应保证一定的间隙，以保证传动平稳可靠，目前对太阳轮轴向间隙的控制所采用的手段是，在与太阳轮轴端相对的端盖内侧设置调整垫，通过调整垫来控制太阳轮的轴向间隙。现有的这种方式存在的不足是：在减速器的使用周期里，由于零件间的磨损，太阳轮的轴向间隙会逐渐增大，为了保证减速器的稳定运转，需要在使用过程中不断调整，而每调整一次都要将端盖拆开，然后更换调整垫进行调整，将端盖拆开进行调整，需要将减速箱内所有的润滑油放出，既增加了检修时间，又造成了润滑油的浪费，调整起来非常不便。
实用新型内容
本实用新型的目的在于提供一种行星减速机轴向间隙调整结构，通过该调整结构，可以在不拆开端盖的情况下进行太阳轮轴向间隙的调整。
为实现上述目的，本实用新型采用以下方案：行星减速机轴向间隙调整结构，包括端盖、外齿圈及太阳轮，端盖与外齿圈的一端联接，太阳轮设于外齿圈内，端盖的中部开有通孔，在端盖的通孔上装有密封端盖，密封端盖的中部开有调节孔，调节孔外端部具有一段内螺纹，一调整螺钉与调节孔外端部的内螺纹联接，调节孔内装有一与太阳轮轴端中部相对的调整垫，太阳轮与调整垫相对的轴端中部具有一凸出的连接头，连接头与调整垫联接，调整垫的外端面与调整螺钉的前端抵靠。
由上述方案可见，向内旋进调整螺钉、抵推调整垫移动，由调整垫向内抵推太阳轮，可减小太阳轮的轴向间隙，将调整螺钉向外旋出一点，使太阳轮获得较大的松动空间，可增大太阳轮的轴向间隙。
本实用新型结构简单、合理，它不需要打开端盖即可以调整太阳轮的轴向间隙，且调整方便、准确。 
附图说明
附图为本实用新型一实施例的结构示意图。
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减速机太阳轮轴向间隙调整结构包括端盖3、外齿圈1及太阳轮2，端盖3与外齿圈1的一端联接，太阳轮2设于外齿圈1内。端盖3的中部开有通孔，在端盖3的通孔上装有密封端盖4，密封端盖4的中部开有调节孔4a，调节孔4a外端部具有一段内螺纹，一调整螺钉6与调节孔4a外端部的内螺纹联接，调节孔4a内装有一与太阳轮2轴端中部相对的调整垫5，调整垫5与调节孔4a间隙配合，太阳轮2与调整垫相对的轴端中部具有一凸出的连接头7，连接头7与太阳轮2为一体，连接头7与调整垫5联接，调整垫5的外端面与调整螺钉6的前端抵靠。
本实施例中，连接头7与调整垫5联接的方式为：调整垫5与连接头相对的一端开有缺口5b，缺口5b的底部开有沟槽5a，连接头7为前端部具有突出挡肩的圆柱体，连接头7前端部的挡肩与沟槽5a配合。

Claims (2)

1.行星减速机轴向间隙调整结构，包括端盖、外齿圈及太阳轮，端盖与外齿圈的一端联接，太阳轮设于外齿圈内，其特征在于：端盖的中部开有通孔，在端盖的通孔上装有密封端盖，密封端盖的中部开有调节孔，调节孔外端部具有一段内螺纹，一调整螺钉与调节孔外端部的内螺纹联接，调节孔内装有一与太阳轮轴端中部相对的调整垫，太阳轮与调整垫相对的轴端中部具有一凸出的连接头，连接头与调整垫联接，调整垫的外端面与调整螺钉的前端抵靠。
2.根据权利要求1所述的行星减速机轴向间隙调整结构，其特征在于：调整垫与连接头相对的一端开有缺口，缺口的底部开有沟槽，连接头为前端部具有突出挡肩的圆柱体，连接头前端部的挡肩与沟槽配合。
CN 201320112181 2013-03-11 2013-03-11 行星减速机轴向间隙调整结构 Expired - Fee Related CN203130997U (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105370869A (zh) * 2015-11-24 2016-03-02 徐州科源液压股份有限公司 轴向调节组合式行星架

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105370869A (zh) * 2015-11-24 2016-03-02 徐州科源液压股份有限公司 轴向调节组合式行星架

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