Constructional engineering concrete mix proportion detection device

The utility model discloses a constructional engineering concrete mix proportion detection device, which belongs to the field of constructional engineering and comprises a mounting seat, a mounting groove is arranged at the upper end of the mounting seat, a detection instrument body is arranged in the mounting groove and penetrates through a notch of the mounting groove, and limiting plates are connected onto symmetrical side walls on two sides of the detection instrument body. Two fixing plates are symmetrically connected to the upper end of the mounting base about the detection instrument body, sliding grooves are formed in the side walls of the sides, close to the detection instrument body, of the fixing plates, and sliding blocks are slidably connected into the sliding grooves. According to the utility model, defects in the prior art are overcome, through mutual cooperation of the mounting seat, the mounting groove, the detection instrument body, the limiting plate, the fixed plate, the sliding groove, th