Development and experimental study of new brake friction pairs for standard metro train

GOU Qingbing; ZHANG Ning; MENG Fanhui; JIN Wenwei; TAN Dong; GAO Hongmei

doi:10.13890/j.issn.1000-128X.2022.02.010

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Development and experimental study of new brake friction pairs for standard metro train

Component Development and Test | 更新时间：2024-08-02

- Development and experimental study of new brake friction pairs for standard metro train
- Electric drive for locomotives Issue 2, Pages: 67-75(2022)
- 作者机构：
  
  1.中车戚墅堰机车车辆工艺研究所有限公司，江苏常州　　213011
  2.中车长春轨道客车股份有限公司，吉林长春;130062
- 作者简介：
- 基金信息：
- DOI：10.13890/j.issn.1000-128X.2022.02.010
  CLC： U231;U260.35
- Published：10 March 2022，
  
  Received：15 January 2022，
- 稿件说明：
扫描看全文
GOU Qingbing, ZHANG Ning, MENG Fanhui, et al. Development and experimental study of new brake friction pairs for standard metro train. [J]. Electric drive for locomotives (2):67-75(2022)
DOI：

GOU Qingbing, ZHANG Ning, MENG Fanhui, et al. Development and experimental study of new brake friction pairs for standard metro train. [J]. Electric drive for locomotives (2):67-75(2022) DOI： 10.13890/j.issn.1000-128X.2022.02.010.

摘要

结合标准地铁摩擦副安装接口要求和车辆制动参数，通过方案设计、计算校核和试验验证等方式开展新型轻量化制动摩擦副的设计与试验研究，论证新型轻量化制动摩擦副在标准地铁车辆上的适用性和制动匹配性。新型轻量化制动摩擦副中的闸片采用合成材料，制动盘采用铝基复合材料，并利用搅拌摩擦成型技术制备。通过仿真分析对制动盘热容量进行计算校核，同时基于VDI 2230标准对制动盘紧固件安全系数进行计算校核，结果显示铝基复合材料制动盘热容量与紧固件连接安全系数均满足相关标准要求。通过对新型制动摩擦副开展相关试验，铝基复合材料制动盘和合成闸片的物理和力学性能均能满足标准地铁规定要求；铝基复合材料制动盘与紧固件连接安全可靠，满足振动冲击试验标准要求。已完成的制动摩擦副全尺寸制动动力台架试验结果显示，摩擦副的平均摩擦因数稳定、闸片磨耗量小、制动盘温升小、制动噪声低，摩擦副具有良好的匹配性。根据校核分析和试验结果，新型制动摩擦副满足标准地铁车辆制动需求，可进行推广使用。

Abstract

Based on the installation interface requirements and vehicle braking parameters of standard metro train friction pairs

the design development and experimental verification of new lightweight brake friction pairs were carried out through scheme design

calculation and experimental verification

the applicability and the braking matching of the new lightweight brake friction pairs on standard metro train were demonstrated. In the new friction pairs

the brake pads were made of synthetic materials

and the brake discs were made of aluminum-based composite materials

which were prepared by friction stir forming technology. The heat capacity of the brake disc was calculated and checked by simulation analysis

and the safety factor of the brake disc fastener was calculated and checked based on VDI 2230 standard

the results showed that the heat capacity of the new lightweight aluminum matrix composite brake disc and the safety factor of the fastener connection met the requirements of the relevant standards. Test verification of new brake friction pairs was carried out

the results showed that physical and mechanical properties of the aluminum-based composite brake disc and composite brake pad met the standard motro train regulations

the aluminum-based composite brake disc and fastener connection was safe and reliable

met the requirements of vibration and shock test standards. The completed brake friction pair full-scale braking power bench test results show that the average friction coefficient is stable

the brake pad wear is small

the temperature rise of the brake disc is low

and the braking noise is low. The friction pairs has good matching performance. According to the check analysis and test results

new brake friction pairs meets the braking requirements of standard metro train and can be promoted.

关键词

标准地铁制动盘闸片搅拌摩擦成型计算校核仿真试验验证城市轨道交通

Keywords

standard metro traindrake discpadfriction stir formingcalculation checksimulationtest verificationurban rail transit

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