1results about How to "Frictionally stable" patented technology

The utility model relates to a kind of sealing torque limiter suitable for turnout conversion equipment, comprising: shell (3), coupler shaft (12), groove pressure mother (1), coupler cover (11), gear with slot (8), sealing ring, bearing, inner friction piece (7), outer friction piece (9), spring (5), thrust needle bearing (4);Inner friction piece (7) is 3 pieces, outer friction piece (9) is 4 pieces, inner friction piece is 3 pieces and outer friction piece is 4 pieces and alternately superimposed together;Wherein inner friction piece (7) inner ring has 4 tooth type structures, it is matched with the connection of 4 slot type structures on coupler shaft (12);Outer friction piece (9) then has 4 tooth type structures in outer ring edge, it is matched with the connection of 4 slot type structures on gear with slot inner ring;This sealing torque limiter suitable for turnout conversion equipment, to improve the sealing performance of friction coupler, reduce the influence of environmental factors on the stable work of friction coupler, improve the friction force stability of the friction coupler of switch machine.