Clamp for machining inner hole support of suspended thin-wall structure

The utility model discloses a clamp for machining an inner hole support of a suspended thin-wall structure, which comprises a bottom plate, a vertical plate arranged in the middle of the bottom plate,a plurality of front side positioning blocks formed on the vertical plate and capable of abutting against the peripheral wall of the support during machining, and a front side reference plane formedby the front side positioning blocks, the clamping piece is parallel to the vertical plate, a plurality of rear side positioning blocks which can abut against the rear side wall of the support duringmachining are formed on the clamping piece, and the rear side positioning blocks jointly form a rear side reference plane; the plurality of in-cavity positioning blocks are all vertically arranged onthe vertical plate, and the outer side walls of the in-cavity positioning blocks are respectively propped against the cavity wall of the bracket during processing; and the thin-wall propping block isvertically arranged on the ve