Strengthening stand column convenient to install and used for window square tube

The utility model discloses a window square tube reinforcing stand column convenient to install, which comprises a first fixing mechanism, a support square tube, a mounting hole and a clamping mechanism, and by pushing a push plate, a connecting rod and a first clamping block are inserted into a second cavity until the first clamping block extrudes a second clamping block; after being extruded, the second clamping block pushes the sleeve to contract towards the casing pipe and compresses the spring at the same time, the second clamping block contracts into the first cavity until the first clamping block moves to the bottom of the second clamping block, and then the sleeve is pushed to extend out of the casing pipe under the action of the rebound force of the spring; a second clamping block extends into a second cavity and then is clamped with a first clamping block, then a push plate is fixed, two pieces of glass are conveniently connected and fixed, mounting is convenient, the glass is clamped and fixed thro