Front door inner plate transfer trolley positioning detection device

The utility model provides a front door inner plate transfer trolley positioning detection device, which belongs to the technical field of automobile production and comprises a trolley body and a positioning mechanism, a plurality of fixing frames are arranged on the trolley body side by side, the positioning mechanism comprises a positioning frame, a trolley body fixing device is arranged at one end of the positioning frame, and a fixing plate is arranged at the bottom of the trolley body. The fixing plate corresponds to the vehicle body fixing device; a plurality of detection devices are arranged on one side of the positioning mechanism side by side and correspond to a plurality of fixing frames on the vehicle body in a one-to-one mode. The position of the transfer trolley can be rapidly positioned, whether the front door inner plate is placed on each fixing frame or not can be detected, it is ensured that the mechanical arm places the front door inner plate on the fixing frame without the front door inner