TRACK TRANSFER APPARATUS FOR SAMPLE RACK

A track transfer apparatus for a sample rack, being capable of being used for track transfer transportation of a sample rack between online devices. A sample rack entry channel (3) and a channel lifting and lowering assembly (4) on a sample rack return channel (2) can be lifted and lowered, are in a lifted state when normally conveying the sample rack, and are in a lowered state when a track needs to be transferred; a transportation vehicle assembly (5) can run onto the sample rack entry channel (3), holds the sample rack, and conveys the sample rack to a transit platform (503), so that the remaining devices transport the sample rack to the interior of an instrument so as to perform corresponding test; similarly, the tested sample rack is transported to the transit platform (503), the transportation vehicle assembly (5) can hold the sample rack and conveys the sample rack to the sample rack return channel (2); and the sample rack can pass through the sample rack return channel (2) and enter a sample rack coll