DF_(11)型机车20kPa制动缸压力无法缓解的分析与改进  

Analysis and Improvement of 20 kPa Brake Cylinder Pressure Unable to Release Issue for DF_(11) Locomotive

作　　者：徐先钰 

机构地区：[1]乌鲁木齐铁路局库尔勒机务段,新疆库尔勒841000

出　　处：《铁道机车车辆》2017年第4期112-113,117,共3页Railway Locomotive & Car

摘　　要：为了解决DF_(11)型机车在进站停车及调速过程中出现20kPa制动缸压力无法缓解的问题,在对JZ-7型制动机进行原理分析与现场试验的基础上,通过切控阀与主阀的结构对比分析,提出了对切控阀加装缓解弹簧的改进方案,从而提高机车运用过程中制动系统的可靠性。In order to solve DF11 locomotive brake cylinder pressure cannot release problem in the process of pit stop and speed regulation, this paper puts forward a resolution to add release spring in cutting control valve which based on the principle analysis and field test of JZ-7 brake system and by comparative analysis of cutting control valve and the main valve structure, thus improving the reliability of the brake system in the locomotive running process.

关 键 词：DF11型机车 制动缸压力 缓解 切控阀 

分 类 号：U262.6[机械工程—车辆工程]