CN202296744U - 一种简支结构永磁同步无齿轮曳引机 - Google Patents

一种简支结构永磁同步无齿轮曳引机 Download PDF

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CN202296744U
CN202296744U CN2011203733275U CN201120373327U CN202296744U CN 202296744 U CN202296744 U CN 202296744U CN 2011203733275 U CN2011203733275 U CN 2011203733275U CN 201120373327 U CN201120373327 U CN 201120373327U CN 202296744 U CN202296744 U CN 202296744U
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梁昌勇
李文成
蔡小亮
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Guangdong Universal Power Ltd By Share Ltd
Hepu Power Co ltd
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FOSHAN HEPU ELEVATOR COMPONENTS Co Ltd
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Abstract

一种简支结构永磁同步无齿轮曳引机，包括机壳、设置在机壳内壁上的有绕组定子铁芯、设置在有绕组定子铁芯中部的永磁转子、与永磁转子固定连接在一起的转轴、固定在转轴上的曳引轮、固定在支承座内的两轴承，曳引轮位于支承座内，机壳设置在支承座上，转轴穿接在轴承上，其特征在于支承座与机壳连接的那端设置有孔径大于曳引轮的凹口，机壳与支承座间设置有端盖，端盖中部设置有轴承孔，其中一轴承固定在端盖的轴承孔内，机壳通过端盖固定在支承座上，支承座的另一端设置有轴承孔，另一轴承固定在支承座另一端的轴承孔内。本实用新型与已有技术相比，具有受力合理，成本低，而装配又很方便的优点。

Description

一种简支结构永磁同步无齿轮曳引机
技术领域
 本实用新型涉及一种电梯用曳引机，特别适用于简支结构的永磁同步无齿轮曳引机，属于电梯技术领域。
背景技术
现有的永磁同步无齿轮曳引机通常的结构都是轴伸出机壳外，成悬臂状，曳引轮直接安装在悬臂轴上，由于电梯重量是直接施加在曳引轮上的，悬臂结构的轴受到很大的弯曲力矩，轴易弯曲变形，整机易振动，轴承寿命短，为了提高承载能力，于是，通常的做法是将轴设计得很粗，轴承设计得很大，并且，还必须采用承载能力很大的调心滚子轴承，这势必造成曳引机成本高，笨重的问题，中国专利“200320128026.1（前支撑结构稀土永磁同步无齿轮曳引机）”将轴承设计在曳引轮两端，让电机转子处于悬臂状态，这种结构受力合理，轴承寿命长，但存在的问题是：曳引轮和转子铁心之间有一机壳阻隔，而转子铁心和曳引轮都需要预先紧固到轴上，而无论曳引轮还是转子都无法穿越机壳进行装配，所以在生产中存在一定的工艺难题，又有中国专利“200720013645.4（无齿轮永磁同步曳引机）”同样将轴承设计在曳引轮两端，但其结构存在：定子防护不好，曳引轮由于安装在后端盖内，拆卸和安装都比较困难。
发明内容
本实用新型目的就是提供一种受力合理，成本低，而装配又很方便的简支结构的永磁同步无齿轮曳引机。
本实用新型目的是这样实现的：包括机壳、设置在机壳内壁上的有绕组定子铁芯、设置在有绕组定子铁芯中部的永磁转子、与永磁转子固定连接在一起的转轴、固定在转轴上的曳引轮、固定在支承座内的轴承，曳引轮位于支承座内，机壳设置在支承座上，转轴穿接在轴承上，其特别之处在于支承座与机壳连接的那端设置有孔径大于曳引轮的凹口，机壳与支承座间设置有端盖，端盖中部设置有轴承孔，其中一轴承固定在端盖的轴承孔内，机壳通过端盖固定在支承座上，支承座的另一端设置有轴承孔，另一轴承固定在支承座另一端的轴承孔内。
装配时，可以先装配电动机，步骤是：将永磁转子入轴→轴承入轴→转子入定子→装端盖到机壳→轴承入端盖轴承室→用螺钉将端盖与机壳紧固。
然后装配整机，步骤是：将曳引轮入轴→前轴承入轴→支承座凹形空腔孔口穿过前轴承、曳引轮后与端盖止口配合→前轴承外圈与支承座轴承室配合→用螺钉将支承座与端盖紧固
有益效果
1 曳引机为两端支撑受力的简支结构，受力合理，过载能力强。
2 曳引轮外径小于支承座凹形空腔孔口直径，可以顺利装入支承座空腔，工艺简单。
附图说明
图1是本实用新型的结构图。
图2是本实用新型的电机分解图。
图3是本实用新型的曳引机分解图。
图4是本实用新型的曳引轮和支承座的详图视图
图中序号说明：机壳1、有绕组定子铁芯2、永磁转子3、轴承4、端盖5、设置在支承座上的螺钉6、支承座7、曳引轮8、支承座上的轴承9、转轴10、设置在端盖上的螺钉11、电动机12。
具体实施方式：
现结合附图和实施例对本实用新型做进一步详细描述：
如图所示，本发明包括机壳1、设置在机壳1内壁上的有绕组定子铁芯2、设置在有绕组定子铁芯2中部的永磁转子3、与永磁转子3固定连接在一起的转轴10、固定在转轴10上的曳引轮8、固定在支承座7内的轴承9，机壳1、绕组定子铁芯2、永磁转子3构成电动机12，曳引轮8位于支承座7内，机壳1设置在支承座7上，转轴10穿接在轴承4、9上，其特别之处在于支承座7与机壳1连接的那端设置有孔径大于曳引轮8的凹口7d，机壳1与支承座7间设置有端盖5，端盖5中部设置有轴承孔5a，其中一轴承4固定在端盖5的轴承孔5a内，机壳1通过螺钉11与端盖5固定在一起，端盖5通过螺钉6与支承座7固定在一起，支承座7的另一端设置有轴承孔7a，另一轴承9固定在支承座7另一端的轴承孔7a内。支承座7下端端伸出凸缘7b，凸缘7b上加工有四个安装孔7c。

Claims (3)

1.一种简支结构永磁同步无齿轮曳引机，包括机壳、设置在机壳内壁上的有绕组定子铁芯、设置在有绕组定子铁芯中部的永磁转子、与永磁转子固定连接在一起的转轴、固定在转轴上的曳引轮、固定在支承座内的两轴承，曳引轮位于支承座内，机壳设置在支承座上，转轴穿接在轴承上，其特征在于支承座与机壳连接的那端设置有孔径大于曳引轮的凹口，机壳与支承座间设置有端盖，端盖中部设置有轴承孔，其中一轴承固定在端盖的轴承孔内，机壳通过端盖固定在支承座上，支承座的另一端设置有轴承孔，另一轴承固定在支承座另一端的轴承孔内。
2.根据权利要求1所述的简支结构永磁同步无齿轮曳引机，其特征在于支承座下端端伸出凸缘，凸缘上加工有四个安装孔。
3. 根据权利要求1或2所述的简支结构永磁同步无齿轮曳引机，其特征在于机壳通过螺钉与端盖固定在一起，端盖通过螺钉与支承座固定在一起。
CN2011203733275U 2011-09-30 2011-09-30 一种简支结构永磁同步无齿轮曳引机 Expired - Fee Related CN202296744U (zh)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102502380A (zh) * 2011-09-30 2012-06-20 佛山市合普电梯部件有限公司 一种简支结构永磁同步无齿轮曳引机
CN105978195A (zh) * 2016-06-23 2016-09-28 浙江帝力驱动设备有限公司 曳引机转子及曳引机
CN106100178A (zh) * 2016-06-23 2016-11-09 浙江帝力驱动设备有限公司 曳引机转子磁条安装结构及曳引机

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102502380A (zh) * 2011-09-30 2012-06-20 佛山市合普电梯部件有限公司 一种简支结构永磁同步无齿轮曳引机
CN105978195A (zh) * 2016-06-23 2016-09-28 浙江帝力驱动设备有限公司 曳引机转子及曳引机
CN106100178A (zh) * 2016-06-23 2016-11-09 浙江帝力驱动设备有限公司 曳引机转子磁条安装结构及曳引机

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