密封装置是液压机械中主要部件之一。密封结构选择是否适当,对设备的可靠运行起着决定性作用;同时,液压系统能否朵用更高的工作压力,亦取决于其密封的能力。液压机械中所朵用的密封结构及制造密封圈的材料种类很多,且各有其特点及适用范围。本文仅就皮碗形式密封装置的性能与使用作一介绍,以供参考。选择密封装置时应满足下列要求:(1)满足于所要求的密封能力; Sealing device is one of the main components of hydraulic machinery. Sealing structure selection is appropriate, the reliable operation of the device plays a decisive role; the same time, the hydraulic system can spend more work pressure, but also depends on its ability to seal. Hydraulic machinery used in the seal structure and the manufacture of seals of many types of materials, and each have their own characteristics and scope of application. This article only on the performance of the cup-shaped sealing device and the use of an introduction for reference. Sealing devices should meet the following requirements: (1) to meet the required sealing capacity;