重庆升降机采用液压双管路防爆安全阀，该液压安全阀的工作油管采用液压双管路，当一根液压油管破断后，液压安全阀的一个阀芯立即将该管路关闭，使空中作业机构安全保持在原位，同时液压安全阀的另一个阀芯工作，立即将另一条液压油管自动接通，机构仍维持正常工作，确保机器和人身安全。那么货梯高压胶管破断是什么原因呢？

1、货梯工作时液压缸随升降台运动，高压胶管反复进行挠曲动作，因而产生疲劳破断。
Zhejiang freight elevator hydraulic cylinder when working with the lifts movement, high-pressure hose repeated flexing action, resulting in fatigue breaking.

2、货梯的负载变化较大，液压系统内将产生液压脉动，脉动压力达到一定值时，高压胶管会产生破断。
Zhejiang large freight elevator load changes will generate hydraulic pressure pulsations within the hydraulic system, pulsating pressure reaches a certain value, high pressure hose will have broken.

3、货梯高压胶管由于质量差，胶管与金属接头的扣压连接强度不够，液压系统中峰值压力出现时，出现拔管现象。
Zhejiang freight elevators due to the poor quality of the high-pressure hose, metal hose fittings withhold connection strength is not enough, when the peak pressure in the hydraulic system occurs, there extubation phenomenon.