VE432型箱体提升系统故障分析及改进

Troubleshooting and improvement for the lift-up system of VE432

本文总结了VE432电控箱体提升系统的提升功能失效、提升开关自动保护、DOWN回路始终有电等在生产中的常见故障,详细地分析了故障原因,从而准确地判断故障电路。对故障电路进行改进后,提高了电控箱体提升系统工作的稳定性,降低了故障率。

This article listed some typical faults of the lift system of VE432 electric control system in field operation, such as lifting function failure, switch automatic protection, DOWN circuit always on electricity etc. Then the authors made a detail analysis on the above troubles and introduced how to improve the fault circuit for reduce the failure rate and enhance the stability of the lift system.