Portable comb brush type small-grain coffee harvester

The invention relates to a portable comb brush type small-grain coffee harvester, and belongs to the technical field of agricultural machinery. The portable comb brush type small-grain coffee harvester comprises a fruit collecting groove, a vibration device, a rotating shaft, a comb brush, a rotating motor and a handle, the vibration device is mounted at one end of the fruit collecting groove, thehandle is arranged on the vibration device, and the rotating motor is mounted at the other end of the fruit collecting groove; and a rotating shaft is mounted on the two end walls of the fruit collecting groove through bearings, the rotating shaft is connected with a driving shaft of the rotating motor through a coupler, and comb brushes which are circumferentially arranged are evenly arranged onthe rotating shaft at equal distances. Small coffee grains on a coffee tree are shaken off through the vibrating comb brushes, then the shaken-off small coffee grains are collected in a centralized mode through the fruit coll