Use a metal or carbon fiber pushrod with a plastic ball joint or plastic clevis at each end 使用金属棒或碳纤棒两端以球头或塑胶u形钩连接。
4.
Based on the test data of air chamber pushrod force - stroke , a computation model a bout air chamber pushrod force - stroke was established , and calculation formula of actuation deformation characteristics of the drum brake was proposed according to test data 摘要以制动气室推出力行程试验数据为基础，建立了气室推杆力与行程的计算模型，根据试验数据提出了鼓式制动器的促动变形特性的计算公式，用试验方法解决了制动器推杆总行程过大的生产实际问题。
