| 摘要 |
PURPOSE: A floating seal structure of a speed reducer for heavy equipment is provided to prevent eccentric phenomenon by applying a projecting key and a backing groove, and to extend the service life of a floating seal. CONSTITUTION: A floating seal structure of a speed reducer for heavy equipment comprises: a motor housing seal mounting portion(60) formed to be stepped on one side of a motor housing flange portion(50) to mount a first seal ring(30) and a first O-ring(40); a speed reducer housing seal mounting portion(61) formed to be stepped on one side of a speed reducer housing flange portion(51) to mount a second seal ring(31) and a second O-ring(41); a projecting key formed on one side of the first seal right abutting on the second seal ring; and a backing groove formed in the second seal ring and supported with the projecting key. |
