| 摘要 |
A sand-throwing device comprises a hopper, a ladle, a drive mechanism, and it in addition comprises a hub, in which an intermediate shaft is installed, on which a leading crank (carrier) is fastened, which is a component of four-link mechanism, it also comprises a pusher and a eye. In addition on the hub a cam is also mounted, while on the crank from the opposite side to four-link mechanism a balancer is installed. |
