BLADE OF TIE-TAMPING MACHINE Russian patent published in 2005 - IPC

FIELD: railway transport; maintenance of permanent way.

SUBSTANCE: proposed blade of tie-tamping machine contains hard-alloy member with rear and front walls installed in its lower part and forming thickness, side walls forming width, upper and lower parts. Lower part forms edge of blade. Hard-alloy member is made discrete, changing from lower part of blade to its side walls. Said hard-alloy member can be either solid or composite. Moreover, part of working surfaces of blade or all working surfaces are furnished with discrete hard-alloy members whose number, shape, size and arrangement are chosen to provide minimum contact of ballast particles with material of blade body. End faces of discrete hard-alloy members are rounded off or provided with bevel.

EFFECT: increased service life of blade.

6 cl, 12 dwg