Mortar bedding device for detection surface of wall bricks

The invention discloses a mortar bedding device for a detection surface of wall bricks. The device comprises a bottom plate, an annular coaming is fixed on the upper surface of the bottom plate; a supporting plate is arranged above the annular coaming; a support frame is fixed between the bottom plate and the support plate; a brick clamping jaw is arranged between the annular coaming and the supporting plate; the brick clamping jaw comprises a clamping fixing block; a middle limiting shaft is arranged under the clamping fixing block; sliding shafts protrude out of the two ends of the middle limiting shaft correspondingly. A sliding sleeve is sleeved on each sliding shaft; a clamping arm is fixed on the sliding sleeve; a fixing rod is fixed between the sliding shaft and the clamping fixingblock, an annular protruding block is annularly arranged on the middle limiting shaft, a clamping spring is arranged between the annular protruding block and the sliding sleeve, the clamping spring isfixed to the sliding slee