本文通过对活塞杆行程原理设计制动间隙自动调整机构的结构分析，详细地讨论了制动间隙自调机构的工作原理以及主要零件的设计方法。
This article mainly analyses the structure of the ACAD . Base on the analysis, there comes out the operating principle of the ACAD and the design for the major components.
提出了一种大功率、大负载、长行程工作条件下，液压缸活塞与缸体之间、活塞杆与缸盖之间密封方式的设计方案。
Design blue print of the hydraulic cylinder seal style was put forward for the hydraulic cylinder with large power, larger load and long journey.
为了预注行程，预注机构（35）相对于活塞杆（11，12）在驱前的方向（V）上可以移动。
The priming mechanism (35) for the priming stroke is movable relative to the piston rod (11, 12) in the direction of propulsion (V).
自锁型气弹簧是一种可以在行程任一位置锁定的气弹簧。 在自锁型气弹簧的活塞杆端部有一个针阀打开这个针阀，则自锁型气弹簧可以象自由型气弹簧那样运行；
The piston rod self-locking type gas spring end there is a needle valve open the needle valve is self-locking type gas spring can run as the free type gas spring;
自锁型气弹簧是一种可以在行程任一位置锁定的气弹簧。 在自锁型气弹簧的活塞杆端部有一个针阀打开这个针阀，则自锁型气弹簧可以象自由型气弹簧那样运行；
The piston rod self-locking type gas spring end there is a needle valve open the needle valve is self-locking type gas spring can run as the free type gas spring;
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