CN201786655U - 一种螺杆压缩机转子 - Google Patents

一种螺杆压缩机转子 Download PDF

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CN201786655U
CN201786655U CN201020516507XU CN201020516507U CN201786655U CN 201786655 U CN201786655 U CN 201786655U CN 201020516507X U CN201020516507X U CN 201020516507XU CN 201020516507 U CN201020516507 U CN 201020516507U CN 201786655 U CN201786655 U CN 201786655U
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汤炎
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ZHEJIANG KAISHAN COMPRESSOR CO Ltd
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ZHEJIANG KAISHAN COMPRESSOR CO Ltd
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Abstract

本实用新型公开了一种螺杆压缩机转子，它包括阴转子(1)和阳转子(2)，其特征在于阴转子(1)和阳转子(2)的双边非对称，其组成曲线均为圆弧或圆弧包络线，阴阳转子的齿数比为6∶5，阴转子(1)和阳转子(2)之间的间隙为0.04～0.1mm，阴阳转子间完全实现“曲面对曲面”的密封，有助于形成流体动力润滑膜，降低通过接触带的横向泄漏，且在同等功率档次的产品中，其直径和中心距最大。本实用新型密封性好、效率高、转速低、噪声低、振动小，寿命长，还便于加工和检测。

Description

一种螺杆压缩机转子
技术领域
本实用新型涉及一种转子，尤其涉及一种螺杆压缩机转子。
背景技术
螺杆压缩机中，转子的形状基本决定了螺杆压缩机的性能，目前世界上已有的有代表性的转子型线主要有：德国GHH公司的型线，瑞典ATLAS公司的SRM型线，台湾复盛公司的型线，日本日立公司的型线等等，这些型线选取不同的曲线及其组合，主要由椭圆、圆弧、圆弧包络线、点、直线、摆线等组成，由于设计取向不同，具有各自的优缺点。由于上述螺杆压缩机转子由不同的型线组成，容易在接触带产生横向泄漏，降低压缩机的效率，且这些螺杆压缩机中转子的直径都较小，因而转速较高，在实际使用中噪声、振动较大，且刚性不足，影响其使用寿命，而螺杆压缩机转子型线设计的复杂性，还造成其加工方法比较复杂，对加工精度、杂质、和油碳化物的敏感性较大。
发明内容
本实用新型要解决的技术问题是提供一种新型的螺杆压缩机转子，它与现有技术相比，是在转子间完全实现“曲面对曲面”的密封，而不包含任何“曲线对曲线”的密封，有助于形成流体动力润滑膜，降低通过接触带的横向泄漏，提高压缩机效率；与其他类型同功率范围的转子相比，增加其直径和中心距，降低其转速，从而降低噪声和振动，并使其刚性得以提高，从而延长其使用寿命；由于完全是曲面对曲面，便于采用磨削加工，也更容易检验，对加工精度、杂质和油碳化物的敏感性较小。
本实用新型的目的可以通过以下措施来达到：一种螺杆压缩机转子，包括阴转子1和阳转子2，阴转子1和阳转子2的双边非对称，组成曲线为圆弧或圆弧包络线，转子间完全实现“曲面对曲面”的密封，阴阳转子的齿数比为6∶5，阴阳转子之间的间隙为0.04～0.1mm，以阴转子1的中心点为坐标原点，阴转子1、阳转子2的有间隙的实际型线坐标如下：
Figure BDA0000025628840000021
Figure BDA0000025628840000031
Figure BDA0000025628840000061
Figure BDA0000025628840000071
Figure BDA0000025628840000081
Figure BDA0000025628840000101
Figure BDA0000025628840000111
Figure BDA0000025628840000121
Figure BDA0000025628840000131
Figure BDA0000025628840000141
Figure BDA0000025628840000161
Figure BDA0000025628840000171
Figure BDA0000025628840000181
Figure BDA0000025628840000191
Figure BDA0000025628840000201
Figure BDA0000025628840000231
附图说明：
图1为本实用新型的结构示意图。
具体实施方式
下面结合附图对本实用新型的具体实施方案作详细说明：如图所示，一种螺杆压缩机转子，用于75～90千瓦功率范围的螺杆压缩机，它包括阴转子1和阳转子2，阴转子1和阳转子2的双边非对称，组成曲线均为圆弧或圆弧包络线，阴转子1的齿数为6，阳转子2的齿数为5，阴阳转子之间的间隙为0.07mm，以阴转子1的中心点为坐标原点，阴转子1、阳转子2的有间隙的实际型线坐标如下。
Figure BDA0000025628840000232
Figure BDA0000025628840000241
Figure BDA0000025628840000251
Figure BDA0000025628840000261
Figure BDA0000025628840000271
Figure BDA0000025628840000281
Figure BDA0000025628840000291
Figure BDA0000025628840000301
Figure BDA0000025628840000311
Figure BDA0000025628840000321
Figure BDA0000025628840000331
Figure BDA0000025628840000341
Figure BDA0000025628840000351
Figure BDA0000025628840000361
Figure BDA0000025628840000381
Figure BDA0000025628840000391
Figure BDA0000025628840000411
Figure BDA0000025628840000421
Figure BDA0000025628840000431
Figure BDA0000025628840000441

Claims (2)

1.一种螺杆压缩机转子，包括阴转子(1)和阳转子(2)，阴转子(1)和阳转子(2)的双边非对称，组成曲线为圆弧及圆弧包络线，阴阳转子的齿数比为6∶5，其特征在于所述的阴转子(1)和阳转子(2)之间的间隙为0.04～0.1mm，以阴转子(1)的中心点为坐标原点，阴转子(1)、阳转子(2)的有间隙的实际型线坐标如下：
Figure FDA0000025628830000021
Figure FDA0000025628830000031
Figure FDA0000025628830000041
Figure FDA0000025628830000051
Figure FDA0000025628830000061
Figure FDA0000025628830000071
Figure FDA0000025628830000081
Figure FDA0000025628830000091
Figure FDA0000025628830000101
Figure FDA0000025628830000121
Figure FDA0000025628830000131
Figure FDA0000025628830000141
Figure FDA0000025628830000161
Figure FDA0000025628830000171
Figure FDA0000025628830000181
Figure FDA0000025628830000191
Figure FDA0000025628830000201
Figure FDA0000025628830000211
2.如权利要求1所述的一种螺杆压缩机转子，其特征在于阴转子和阳转子之间的间隙为0.07mm。 
CN201020516507XU 2010-09-03 2010-09-03 一种螺杆压缩机转子 Expired - Fee Related CN201786655U (zh)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104728117A (zh) * 2015-02-17 2015-06-24 上海偌托新能源科技有限公司 一种压缩热泵螺旋主机螺旋齿及压缩热泵螺旋主机

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN104728117A (zh) * 2015-02-17 2015-06-24 上海偌托新能源科技有限公司 一种压缩热泵螺旋主机螺旋齿及压缩热泵螺旋主机
CN104728117B (zh) * 2015-02-17 2017-03-22 上海偌托新能源科技有限公司 一种压缩热泵螺旋主机螺旋齿及压缩热泵螺旋主机

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