Installation structure of belt pulley assembly

The utility model discloses an installation structure of a belt pulley assembly. The device structurally comprises a supporting block, a supporting plate, a first supporting column, a second supporting column, an electric control plate, a power line, a motor box, a first motor, a transmission box, a belt, a fixing plate, an automatic lubricating device, a first belt wheel and a second belt wheel;the utility model discloses an installation structure of a belt pulley assembly. An automatic lubricating device is arranged in the transmission case; when a user needs to lubricate the belt pulley, the belt pulley is lubricated; first of all, a second motor is started, after running, the second motor drives the sliding plate to slide; at the moment, the second gear meshed with the sliding plate rotates to drive the first gear to rotate, the sliding block meshed with the first gear can move in the same direction at the moment, the first motor can be started after the sliding block moves to theposition of the belt, the