| 摘要 |
PROBLEM TO BE SOLVED: To improve flowing down of grain that flows down on a bottom shelf board for flowing down arranged at the bottom part of a grain storage tank for storing grain. SOLUTION: The bottom shelf board 5 for flowing down, which is arranged at the bottom of the grain storage tank 4 for receiving and storing grain threshed by a thresher 3 and separated and on which grain flows down, has constitution that the shelf board is replaced according to the kind and the variety of grain to be stored. Firstly a shelf board has an angle (θ) of inclination corresponding to grain having a bad stream. In the case of grain having a good stream, an angle (α) of repose is changed for the shelf board 5 for flowing down of gentle stream to increase a storage volume. Fixing flanges 4b are arranged at the side of the grain storage tank 4, fixing flanges 5a are arranged also at the side of the bottom shelf board 5 for flowing down and both the flanges are connected to install the bottom shelf board for flowing down. COPYRIGHT: (C)2005,JPO&NCIPI
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