Transfer device and transfer method

The embodiment of the invention aims to provide a transfer device and a transfer method. The transfer device comprises a rack body, an anti-overturning device, a lifting transmission device, a lifting power source, a lifting supporting device, a lifting rack, a bearing plate and a bearing hook. Wherein the bearing plate and the bearing hook are arranged on the lifting rack; the bearing hook is used for hoisting a to-be-transferred assembly; the lifting transmission device, the lifting power source, the lifting supporting device and the lifting rack are used for driving the bearing plate and the bearing hooks to ascend or descend. Compared with a traditional manual carrying mode, the transferring device has the following advantages that the transferring device is used for transferring the optical assembly, the accuracy and stability of transferring operation are improved, and the transferring device is particularly suitable for scenes where the optical assembly is heavy and the operation space is limited. 本申请实