Clamp holder capable of being quickly assembled

The utility model discloses a fast assembly clamp holder which comprises a clamp holder body, one end of the clamp holder body far away from a power head is connected with a positioning assembly used for fixing a water spraying device, the positioning assembly is provided with a fixing portion and a locking portion, the locking portion is connected to one end of the fixing portion, and the fixing portion is connected with the power head. A limiting groove is formed in the other end of the fixing part, the limiting groove extends in the length direction of the fixing part, the locking part comprises a locking ring of an arc-shaped structure, a gap is reserved between the locking ring and the fixing part, and a locking device is further arranged on the locking ring. According to the clamp holder, the water spraying device is fixed to the clamp holder through the positioning assembly on the clamp holder, the position, close to the working end of the drill rod, of the clamp holder is provided with the water spray