Research on the Characteristic of Rubber Belt Type CVT in Baja Racing Car

Zhaohui Jin; Yuan Shan; Da Wang; Qingsong Sun; Zhenyu Ma; Mingyi Li

doi:10.16578/j.issn.1004.2539.2022.01.020

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Research on the Characteristic of Rubber Belt Type CVT in Baja Racing Car

Test·Analysis | 更新时间：2022-09-23

- Research on the Characteristic of Rubber Belt Type CVT in Baja Racing Car
- Journal of Mechanical Transmission Vol. 46, Issue 1, Pages: 143-147(2022)
- 作者机构：
  
  1.吉林大学汽车工程学院，吉林长春 130025
- 作者简介：
- 基金信息：
- DOI：10.16578/j.issn.1004.2539.2022.01.020
  CLC：
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金兆辉,单沅,王达等.基于巴哈赛车中橡胶皮带式CVT的特性研究[J].机械传动,2022,46(01):143-147.

Jin Zhaohui,Shan Yuan,Wang Da,et al.Research on the Characteristic of Rubber Belt Type CVT in Baja Racing Car[J].Journal of Mechanical Transmission,2022,46(01):143-147.
金兆辉,单沅,王达等.基于巴哈赛车中橡胶皮带式CVT的特性研究[J].机械传动,2022,46(01):143-147. DOI： 10.16578/j.issn.1004.2539.2022.01.020.

Jin Zhaohui,Shan Yuan,Wang Da,et al.Research on the Characteristic of Rubber Belt Type CVT in Baja Racing Car[J].Journal of Mechanical Transmission,2022,46(01):143-147. DOI： 10.16578/j.issn.1004.2539.2022.01.020.

摘要

为了提高橡胶式CVT的传动效率，使发动机与整车有更好的动力性匹配，进行了发动机与CVT的台架实验，绘制出发动机、CVT外特性和影响CVT因素的曲线。结果表明，在不改变CVT结构的前提下，温度是影响CVT效率的主要因素；在温度为55 ℃时，CVT能保持一个较高的效率。根据CVT外特性曲线绘制驱动力曲线，确定减速器的总传动比为12.9，并确定CVT中的轻甩块与重弹簧的组合可使赛车能较快地到达理论最高车速。

Abstract

In order to improve the transmission efficiency of the rubber CVT and better match the power performance of the engine and the whole vehicle，the bench test of the engine and CVT is carried out，and the curves of starting motor，external characteristics of CVT and influencing factors of CVT are drawn. The results show that，without changing the structure of the CVT，the temperature is the main factor that influence the efficiency of the CVT，and at the age of 55 ℃ CVT maintain a high efficiency. According to the driving force curve drawing CVT external characteristic curve，determine the total transmission ratio for the gear reducer is 12.9，and determine the CVT light left block and the combination of the heavy spring can make the car can quickly reach the highest speed.

关键词

CVT效率提升动力匹配

Keywords

CVTEfficiency promotionPower matching

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