A automatic application instrument for large pipe

The utility model discloses an automatic application instrument for large pipe, applying paint the device with a brush and setting up a plurality of brush holder on every side of applying paint the device in the disconnect -type with a brush including the disconnect -type, all be connected with the brush on every brush holder, the disconnect -type is applied paint the device with a brush and is provided with the rolling device including the left brush mounting fixture and the right brush mounting fixture that can dismantle the connection, the bottom that the device was applied paint with a brush to the disconnect -type, and the rolling device is including the backup pad and set up driving motor and the gyro wheel seat in the bottom of backup pad in pairs, installs the gyro wheel on the gyro wheel seat. Can dismantle the connection between a left side brush mounting fixture and the right brush mounting fixture, can be more convenient install left brush mounting fixture and right brush mounting fixture on the p