Fixing frame of pile foundation drilling machine

The fixing frame of the pile foundation drilling machine comprises a telescopic frame (11) and a frame body (8), at least two parallel telescopic frames (11) are installed on the frame body (8), and each telescopic frame (11) comprises a fixing bolt (1), a mounted bearing (2), a hollow shaft (3), a rotating nut (4), a lead screw (5) and a fixing claw (6). Rotary nuts (4) are welded to the two endsof the hollow shaft (3) respectively, fixing claws (6) are welded to one ends of the two lead screws (5), the other ends of the two lead screws (5) are screwed into the hollow shaft (3) through the rotary nuts (4) respectively, and the two fixing claws (6) screwed out of the hollow shaft (3) are used for abutting against the side wall of a pile foundation hole (7). The device is convenient and fast to disassemble and assemble and can be installed in a pile hole in any direction. 本实用新型桩基钻孔机固定架包括：伸缩架(11)和架体(8)，在架体(8)上至少装有两个平行的伸缩架(11)，伸缩架(11)包括：固定螺栓(1)、带座轴承(2)、空心轴(3)、旋转螺母(4)、丝杆(5)和固定爪(6)，带座轴承(2)通过两个固定螺栓(1)固定在架体(8)，空心轴(3