Auxiliary detection device of concrete rebound apparatus

The auxiliary detection device comprises a bottom plate and a bottom sleeve, a rail is fixedly installed on the top face of the bottom plate, a sliding block is connected into the rail in a sliding mode, and the bottom sleeve is vertically and fixedly installed on the top face of the sliding block. The concrete beam springback detection device has the advantages that the lifting rod capable of being adjusted in a lifting mode, the top plate used for installing a mobile phone, the installation plate used for fixing the concrete springback instrument and the door frame are adopted, and when concrete beam springback detection is carried out, a worker can push a handle to drive the bottom sleeve and the concrete springback instrument to move to carry out springback detection on a concrete beam; according to the concrete beam rebound detection device, the detection value is shot by the mobile phone, the trouble of climbing during concrete beam rebound detection by a worker is omitted, rebound detection on the conc