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近几年来,国外在推土机、掘进机的行走机构及滚刀上采用一种新的端面油封,称为端面浮动油封(见图1)。这种油封由两个被压在两个锥面之间的“0”形橡胶圈1和两个金属油封环2组成,可保证一定的轴向力并阻止油封环转动。在托架3和支承轮4之间,以及
In recent years, overseas bulldozers, roadheaders walking mechanism and Hob use a new end seal, called the end of the floating seal (see Figure 1). This oil seal is composed of two “0” shaped rubber rings 1 and two metal oil seal rings 2 which are pressed between the two conical surfaces to ensure a certain axial force and prevent the rotation of the oil seal ring. Between bracket 3 and support wheel 4, and