| 摘要 |
<p>The object of the invention is a bottom grate (7) and a method for producing the bottom grate (7) for a crusher (1) for chipping and/or comminuting material, said crusher comprising a stationary body (3), a rotor (5) mounted rotatably on bearings, the outer circumference of which is provided with crushing and/or cutting blades (55), and below the rotor (5) a curved bottom grate (7) conforming to the shape of the rotor (5), said bottom grate (7) having curved end and intermediate support elements (11, 13) in a direction substantially perpendicular to the axis of the rotor (5) and blades (9) substantially parallel to the direction of the axis of the rotor (5). The bottom grate (7) is assembled by pressing so that a pressing force is formed between two support elements (11, 13) of the bottom grate (7), by engaging disengageable pulling means (17) that are supported on said two support members (11, 13) substantially parallel to the axis of the rotor (5), whereby blades (9) of the bottom grate (7) and said two support elements (11, 13) are pressed towards each other. The blades and/or support elements (11, 13) can be removed by disengaging pulling members (17). A blade (9) of the bottom grate (7) may be longitudinally divided in several blade pieces (9') which are mounted between two support elements (11, 13).</p> |
