基础制动装置圆销是货车基础制动装置配件连接的关键部件之一,在车辆制动和缓解过程中起着举足轻重的作用。一旦制动圆销裂损或丢失,极易造成制动配件的脱落以及车辆制动系统失效。因此,基础制动装置圆销的连接质量直接影响到列车行车安全。为适应铁路大提速和重载列车开行,货 The basic brake unit pin is one of the key components for the connection of the basic brake system of the truck and plays a decisive role in the braking and mitigation of the vehicle. Once the brake ring cracked or lost, can easily lead to the loss of brake parts and vehicle braking system failure. Therefore, the quality of the connection of the base brake unit pin directly affects the safety of the train. In order to adapt to the large railway speed and heavy-duty open, cargo