Strong fall-proof device for single body hydraulic support post

The utility model discloses a strong anti-falling and anti-falling and ejection device for single hydraulic props, which is suitable for safe support of single hydraulic props in the production under mines and is composed of reinforced blocks, a steel ball, a spring, a top cover body, a limiting board, and an anti-falling pin. Reinforced blocks are respectively welded on the left and the right sides on an existing top cover body to ensure that half part of each of four claws is exposed respectively, and when the claws is vertically inserted into the trapezoidal grooves of a metal top frame, the anti-falling pin is inserted into the middle of the metal top beam in the transverse direction through the limiting plate. The anti-falling pin is positioned by springs through steel balls, and the anti-falling device for single hydraulic props is formed. The utility model has the advantages of falling resistance, safely, high durability, labor saving, and material saving.