Anchor rod hole cleaning device convenient to adjust and used for tunnel construction

An anchor rod hole cleaning device convenient to adjust for tunnel construction comprises a base, a power device, a telescopic device and a direction adjusting device, the power device comprises a power frame, the direction adjusting device comprises a direction adjusting seat, a rotating sleeve, a vertical shaft, a swing seat and a swing rod, a center hole is formed in the middle of the base, a base bearing seat is arranged on one side of the center hole, and a sliding groove is formed in the right side of the front portion of the base. A middle shaft of the first worm is rotationally connected with a base bearing seat, the first worm rotates in the base bearing seat, and the front side of the middle shaft of the first worm is fixedly connected with a first gear; a sliding block is arranged on the lower portion of the power frame, a first bearing seat is arranged on the left side of the upper portion of the sliding block, a second bearing seat is arranged on the right side of the upper portion of the sliding