Motor mounting and clamping device

The utility model relates to the technical field of motor installation, in particular to a motor installation clamping device which comprises a fixing box, a first motor is fixedly connected to the inner wall of the fixing box, a threaded sleeve rod is fixedly connected to an output shaft of the first motor through a coupler, and a threaded sleeve is movably connected to the outer wall of the threaded sleeve rod. A motor body is placed on an adjusting fixing table, a second motor is started to drive a rotating rod to rotate, the rotating rod rotates to drive a driving gear to rotate, the driving gear rotates to drive a driven gear to rotate, and the driven gear rotates to enable a sliding block to slide in a second sliding groove in the inner wall of the driven gear; the sliding block slides to drive the adjusting sliding rod to slide in the first sliding groove and stretch out and draw back towards the inner wall of the adjusting fixing table, so that the fixing pad is driven to stretch out and draw back to