| 摘要 |
A link mechanism for a harvester head, the harvester head comprising at least a swivelling arm (1), by means of which the frame (2) of the harvester head is arranged to be suspended in the boom assembly of a working machine, and a link mechanism (10) which is arranged to couple the swivelling arm (1) to the frame (2) and to pivot them in relation to each other around a horizontal axis (Z). The harvester head also comprises actuator means (3) for pivoting, to provide a force effective between the frame (2) and the swivelling arm (1). The link mechanism (10) comprises a shaft (11, 13) to be placed on the axis (Z), the frame (2) being coupled to the shaft in a freely rotating manner and the swivelling arm (1) being connected to the frame in a non-rotating manner. The shaft (11, 13) is arranged to be rotated by means of actuators (3) in relation to the frame (2) and to transmit a force effect via said shaft (11, 13) also to the swivelling arm (1) for pivoting. |
