The invention relates to a staircase
handrail cleaning device and belongs to the cleaning equipment field. The staircase
handrail cleaning device is composed of a tightening bracket, a tightening
hydraulic cylinder, a long tightening rack, big gears, pinions, tightening wheel racks, tightening wheels, driving wheel supports, motors, driving wheels, a
water spray device, a cleaning support, a cleaning
hydraulic cylinder, cleaning big gears, cleaning pinions, cleaning racks, a cleaning
brush, a long cleaning rack, an additional cleaning plate and an intermediate cleaning plate. The staircase
handrail cleaning device is characterized in that the lower ends of the big gears are provided with the tightening wheel racks; the lower ends of the tightening wheel racks are provided with the tightening wheels; the driving wheel supports are provided with the motors; the driving wheels are fixed onto the motors; and the rear ends of the driving wheels are provided with the
water spray device. According to the staircase handrail cleaning device of the invention, retraction can be realized through the tightening devices; and the driving wheels push the device to move forward; the
water spray device sprays water to staircase handrails; and the staircase handrails can be automatically cleaned.