PCCP grinding device

The utility model provides a PCCP grinding device. The PCCP grinding device is simple in structure, convenient to operate and capable of improving work efficiency. The PCCP grinding device comprises a rotary supporting mechanism and a grinding mechanism. The rotary supporting mechanism comprises a rack, a motor and multiple supporting wheel sets. A supporting assembly comprises a support, a fixing sleeve, a pushing air cylinder, a telescopic rod and a pushing mechanism. The fixing sleeve is provided with a middle hole, the fixing sleeve is movably connected to the support, the two ends of the pushing air cylinder are connected with the support and the fixing sleeve respectively and located on the outer side of the support, the telescopic rod is arranged in the middle hole of the fixing sleeve, the pushing mechanism is fixedly connected to the fixing sleeve, and the pushing mechanism drives the telescopic rod to conduct telescopic motion. A grinding assembly is arranged on the inner side of the support and comprises a motor, a bearing seat and a steel wire brush, and the motor drives the steel wire brush. The bearing seat is connected to the telescopic rod. By means of the PCCP grinding device, the grinding quality and reliability of a PCCP are improved.