Unit support with top beam anti-falling device

The unit support with the top beam anti-falling device comprises a base, a stand column is arranged on the base, a top beam is arranged on the top of the stand column, and the top beam anti-falling device is connected between the top beam and the upper portion of the stand column. The top beam anti-falling device comprises a chain ring, a shackle and a lifting bolt, the shackle is connected to the lower end of the chain ring, the other end of the chain ring is fixed to the top beam, the lifting bolt is detachably arranged on the upper portion of the stand column, and the lifting bolt is detachably connected with the chain ring through the shackle. According to the unit support with the top beam anti-falling device, the top beam and the stand column are connected together through the chain rings and the shackles, the top beam is still hung on the stand column when a hinge pin shaft of a top beam column nest is broken off and the top beam falls, and therefore a working face is effectively protected. 本实用新型提供一种具有