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涡旋压缩机渐开线型线始端多对圆弧修正
引用本文:王君,刘振全.涡旋压缩机渐开线型线始端多对圆弧修正[J].北京理工大学学报,2005,25(9):757-760.
作者姓名:王君  刘振全
作者单位:兰州理工大学,石油化工学院,甘肃,兰州,730050
摘    要:为了提高涡旋压缩机的综合性能,提出了涡旋齿始端多对圆弧修正,这是一种能生成完全啮合型线的圆弧类修正方法.通过对2对圆弧修正的讨论,得出了任意n对圆弧修正涡旋齿的生成方法、始端几何参数间的通用关系式和修正圆弧方程.与传统的单对圆弧修正相比,多对圆弧修正同时可有效地提高压缩机的压缩比和涡旋齿始端强度.研究结果可直接应用于型线修正设计,所提出的圆弧作为涡旋型线的条件丰富了涡旋齿啮合的几何理论.

关 键 词:涡旋压缩机  涡旋齿修正  多对圆弧  完全啮合型线  几何理论  涡旋压缩机  渐开线  涡旋型线  多对圆弧  修正设计  Compressors  Arcs  Circular  Modification  几何理论  完全啮合型线  条件  应用  结果  研究  强度  压缩比  方程  关系式  几何参数
文章编号:1001-0645(2005)09-0757-04
收稿时间:09 25 2004 12:00AM
修稿时间:2004年9月25日

Involute Profile Modification Using Multi-Pairs of Circular Arcs in the Starting Part for Scroll Compressors
WANG Jun and LIU Zhen-quan.Involute Profile Modification Using Multi-Pairs of Circular Arcs in the Starting Part for Scroll Compressors[J].Journal of Beijing Institute of Technology(Natural Science Edition),2005,25(9):757-760.
Authors:WANG Jun and LIU Zhen-quan
Institution:College of Petrochemical Technology, Lanzhou University of Technology, Lanzhou, Gansu 730050, China
Abstract:In order to improve the overall performance of scroll compressors, a profile modification method using multi-pairs of circular arcs in the starting part, which can generate perfect meshing profile, is proposed for the first time. Through the analysis of the modified wrap using twin-pairs of circular arcs, n pairs of circular arcs modified wrap's generating method, general mutual dependence of geometric parameters as well as equations of modification circular arcs are obtained. Compared with the conventional profile modification method using a single pair of circular arcs, this method effectively increases the compression ratio and strength in the starting part of modified wrap at the same time. The investigation results can be used directly in the design of profile modification, and the proposed conditions of taking circular arcs as wrap profile enrich the geometric theory of meshing wraps.
Keywords:scroll compressors  wrap modification  multipairs of circular arcs  perfect meshing profile  geometric theory
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