| 摘要 |
The invention relates to an apparatus for harvesting maize or similar cereals, which can be configured especially as an attachment for combine harvesters (2) or field harvester and comprises two picking rollers (10, 11) mounted on either side of a picking slot (31) for separating the ears from the part of the plant carrying said ears. The picking rollers are driven to rotate about axes (34, 35) pointing in the direction of displacement (F) of the apparatus (1) and comprise several longitudinal ridges (29, 30), ribs or similar protuberances which form working edges (27, 28) projecting beyond the basic roller body (25, 26). The working edges (27, 28) of the picking rollers (10, 11) distributed around the circumference of the basic roller body (25, 26) extend across working surfaces which narrow conically towards the front end of the picking rollers (10, 11) and with each other or with the basic roller body (25, 26) of the neighbouring picking roller define a through-slot (36). To improve the picking action the axes of rotation (34, 35) of the picking rollers (10, 11) are arranged in such a way as to converge towards the front ends of the picking rollers (10, 11).
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