| 摘要 |
A threshing drum comprises a body, on which even number of beaters with ledges is mounted and fixed on working surface thereof. One half of the number of the beaters has left direction as regards to the length of a beater, and the other half of the number of the beaters has the right direction as regards to the length of a beater. The drum is made of two parts, in the first part the beaters are mounted and fixed one after another with the ledges of the left direction, and in the second part beaters are mounted and fixed one after another with the ledges of the right direction. In doing so in each part, starting from the second beater, under each next beater in the direction of rotation of the drum a support is additionally mounted, the thickness of which is larger than under the preceding beater. |
