Adjustable bracket for cast-in-place beam

The adjustable bracket for the cast-in-place beam comprises a fixing cylinder and a positioning shaft, a first supporting plate and a second supporting plate are symmetrically arranged on the two sides of the fixing cylinder, the fixing cylinder is sleeved with a rotating sleeve in a rotating mode, and a third supporting plate is arranged on the rotating sleeve. A plurality of first clamping strips are arranged on the inner wall of the fixing cylinder in a circumferential array mode, a plurality of telescopic blocks are arranged on the outer wall of the positioning shaft in a circumferential array mode, a plurality of second clamping strips are arranged on the inner wall of the rotating sleeve in a circumferential array mode, and the positioning shaft is inserted into the fixing cylinder and the rotating sleeve. The side faces of the multiple telescopic blocks abut against the side faces of the first clamping strip and the second clamping strip. According to the utility model, the bracket is prevented from be