| 摘要 |
<p>A disc crusher has a base frame on which a case with cover is mounted. A bottom disc seated in a bearing housing is fastened to the cover of the case. A cone is mounted in a bearing body fastened to the cover by shock absorbing springs. The bottom disc and cone each have a central hole. In one embodiment, the bearing housing is connected by a flange, stud bolts and springs to a top ring with flange and a bottom ring with flange, also fastened by means of stud bolts to the cover of the case, which rings have external threads formed with opposite pitch directions and are embraced externally by a regulating sleeve (nut) on the internal cylindrical surface of which there are threaded zones which correspond to the threads of the top and bottom rings. The regulating sleeve (nut) is provided on the outside with a guiding disc connected to a driving mechanism and an arresting mechanism.</p> |
