BOWL-LINER FOR GYRATORY ROCK CRUSHER

摘要: A bowl-liner is secured to the bowl-frame of a gyratory rock crusher by J-bolts. The has number open ended bosses circumferentially spaced about vertical axis bowl-frame. positioned beneath and upwardly projecting receptacles which fit within bosses. are formed integrally on upper surface bowl-liner, each receptacle J-shaped opening in one side. Each an bearing seat inclined from horizontal. bolt fits opening, threaded end extends above top bowl frame boss. retainer plate boss hole over end, nut turned down against pull lower J-bolt receptacle. This produces tightening forces at vector angles outwardly distribute pressures evenly bowl-liner.