Grating ruler convenient to install

The utility model discloses a grating ruler convenient to install, and particularly relates to the technical field of grating ruler installation, the grating ruler comprises a main grating ruler, the bottom end of the main grating ruler is provided with a connecting plate, the bottom end of the connecting plate is provided with a concave block, the concave block is internally provided with a connecting rod, and the bottom end of the connecting rod is provided with an installation mechanism; the mounting mechanism comprises a limiting block, a connecting rod and two balls are arranged at the bottom end of the limiting block, a rotating rod is arranged between the two balls, and a stabilizing ring is arranged outside the rotating rod. Through the arrangement of the mounting mechanism, a connecting rod is rotated to drive a clamping block to enable a stabilizing ring to rotate, so that a ball can roll, then a concave block starts to drive a connecting plate to enable a main grating ruler to rotate, the transvers