Radial indexing drill jig on cylindrical surface

The utility model discloses a radial indexing drill jig on a cylindrical surface. The radial indexing drill jig comprises a drill jig foundation, an axial positioning and supporting mechanism, an indexing clamping mechanism and a radial guide mechanism, the drill jig foundation comprises a base, a left support and a right support. The axial positioning and supporting mechanism is arranged on the left support and comprises a fixing seat (3), a handle (4), a supporting shaft (5), a positioning pin (6) and a guide sleeve (7), the indexing and clamping mechanism is arranged on the right support (16), and the radial guide mechanisms are arranged at the upper end of the right support and used for machining hole-series parts on cylindrical surfaces of rotary bodies on a common drilling machine. A part can be quickly clamped and positioned, a trapezoidal groove formed in the index plate can be accurately positioned, six holes in one end of the part can be machined through one-time clamping, it is guaranteed that dril