Concrete hole wall scrabbling device

The invention provides a concrete hole wall scrabbling device and solves the problems that according to the prior art, great labor force is required in hole wall scrabbling, scrabbling strength cannotbe easily controlled, hole wall scrabbling is uneven, operations are complicated, scrabbling density cannot be adjusted, and onsite construction requirements cannot be duly met. According to the technical scheme, the device comprises a screw rod; the screw rod is provided with a threaded pipe; a first planetary gear system is arranged at the lower end of the threaded pipe; the threaded pipe can only drive a first sun gear to rotate through forward rotation; a first planetary carrier can actively rotate; the rotating direction of the first sun gear is opposite to that of a first gear ring; a second planetary gear system is arranged below the first planetary gear system; a second sun gear is sleeved with the lower end of the threaded pipe; the threaded pipe can only drive the second sun gear to rotate through reverse rotation; the rotating direction of a second gear ring is consistent with that of the second sun gear; the first planetary carrier can drive a second planetary carrier to rotate; a circular cylinder is arranged on the outer side of the first gear ring; and a plurality of circumferentially and evenly distributed scrabbling tools are arranged on the outer side of the circular cylinder.