Sample transport device

The utility model provides a sample transportation device, which comprises a transportation mechanism, a sample conveying mechanism, a sample conveying mechanism and a sample conveying mechanism, the dispatching mechanism is movably arranged on the outer side of the transportation mechanism and is provided with a receiving and sending position corresponding to the output port of the transportation channel and a transfer position away from the output port of the transportation channel, and the dispatching mechanism is provided with a dispatching channel; the blocking structure is movably arranged on the transportation channel and is provided with a blocking position which is blocked at the output port of the transportation channel to block the sample and a release position which avoids the output port of the transportation channel; when the dispatching mechanism moves to the pick-up position, the blocking structure is driven to be switched to the release position from the blocking position, and the dispatching