Adjustable concrete trowelling device

The utility model discloses an adjustable concrete trowelling device which comprises a machine frame, a roll shaft, a baffle, telescopic devices and an L-shaped plate, a portal frame is arranged on the machine frame, the telescopic devices are fixedly and symmetrically installed on the portal frame, telescopic rods on the telescopic devices penetrate through the portal frame, and the end tails of the telescopic rods are fixedly connected with the baffle through connecting pieces; according to the device, the portal frame is installed on the rack, the baffle is installed on the portal frame through the telescopic device, the baffle is driven to ascend and descend through the telescopic rod on the telescopic device, so that the position of the baffle is adjusted, the conveying belt is driven to conduct conveying through the roller shaft, automatic operation of the device is achieved, and the problem that time and labor are wasted in traditional manual adjustment is solved; and the working efficiency is greatly