| 摘要 |
Roller for belt conveyer is compounded of coat (1) and two shaped faces (2) inside of which is shaped the chamber (21) inside of that is placed at least bearing (3) labyrinth closing (5) from casing (51) and sleeve (52) front cover (6) with a lid (8). Casing (51) of the labyrinth closing is on its external circumference stationary frontal connected with front cover (6) which is than on its external circumference stationary connected with its internal circumference face (2). Between front cover (6) and the lid (8) there is located a safety seal (7) which is by its internal circumference stationary clutched in charge (521) of sleeve (52) labyrinth seal (5) leaded outside of the face (2) and which is equipped on its circumference at least by two regularly displaced transit openings (71) to secure the position of the lid (8) as well as safety seal (7) to face (2) through axially tenons (81) lid (8). Between the external area of the sleeve (52) labyrinth closing (5) and front cover (6) there is inserted a soft seal (9).
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