Roughness detection equipment

The utility model discloses roughness detection equipment, which comprises a host and a sensor, a protection mechanism is arranged at the top of the host, the protection mechanism comprises a protection assembly and a fixing assembly, the protection assembly comprises a protection cylinder, a rubber cylinder is fixedly arranged on the inner wall of the protection cylinder, and the rubber cylinder is fixedly arranged on the inner wall of the protection cylinder. The top of the sensor extends into the rubber cylinder, an elastic band is arranged between the protection cylinder and the host, the fixing assembly comprises an extension plate and a mounting block, the extension plate is fixed to the protection cylinder, the mounting block is fixed to the top of the host, and a slot is formed in the mounting block; according to the utility model, through the designed protection mechanism, the sensor can be conveniently protected in use, the condition that the sensor is disassembled and assembled and taken from or pu