One kind of carbon brush apparatus for drying Chinese Herbal Medicine

The present invention provides a carbon brush Chinese Herbal Medicine apparatus for drying, the carbon brush slip rings capable of automatically cleaning the outer circumferential surface dirt, which comprises a supporting frame structure, a brush holder and a cleaning module; the cleaning module comprises a combination of the driving wheel, the double gear and the cam wheel assembly, cleaning the bottom of the module with the cleaning blade and cleaning brush set, the cleaning blade and a cleaning blade comprising a blade set housing groups; said composition an outer circumferential surface of the drive wheel in contact with the outer circumferential surface of the slip ring, and rotated by driving of the slip ring, the cam of the cam gear rim of the wheel assembly in contact with the top of the cleaning blade housing group, of the cleaning blade set can be periodically brought into contact with the blade ring outer circumferential surface of the cam in the current collector; and the cleaning brush and collector ring is always in contact with the outer circumferential surface. Above technical solution can effectively remove dirt collector ring surface, and greatly reduce spark arc accidents due to contamination caused by the slip ring probability of occurrence.