HAMMERING BLADE HOLDING STRUCTURE OF IMPACT TYPE CRUSHER

摘要

PROBLEM TO BE SOLVED: To facilitate the replacement of a hammering blade and to strongly hold the hammering blade. ;SOLUTION: In the hammering blade holding structure of an impact type crusher wherein a hammering blade 1 is held by the holders 2 attached to the holding groove 5 provided in the outer periphery of a disk plate 3, each holder 2 consists of a main body part 25 having the recessed part 25a fitted to the projected part 5a of the holding groove 5 of the adjacent disk plate 3 and the connection part 26 of the main body part 25. A taper surface 25t reducing the interval between the mutually opposed holders 2 toward the outside in a diameter direction is provided in the main body part 25 and a pin hole 27 is provided in the center of the connection part 26 of each holder 2 and the taper surface 1t coming into contact with the taper surface 25t of each of the opposed holders 2 is provided in the hammering blade 1 and a slot 11 is provided in the central part of the hammering blade 1 and the pin 6 restricting the falling-off of the hammering blade 1 and the axial movement thereof at the stop time of the rotation of a rotor is inserted in the pin hole 27 and the slot 11.;COPYRIGHT: (C)2000,JPO