Automatic unhooking device for suspension object in free falling experiment

The utility model relates to the technical field of testing devices and discloses an automatic unhooking device for a suspension object in a free falling experiment. The suspension object is provided with two hoisting points; the automatic unhooking device comprises two steel wire ropes, a support, two rope drums, an X shaft and a Y shaft; a groove body is formed in the support; the X shaft is rotatably arranged in the groove body; the Y shaft is fixedly arranged on the X shaft; the two rope drums are arranged at two side of the support; the first ends of the two steel wire ropes are connected with the two hoisting points of the suspension object; the second ends of the two steel wire ropes are connected with two ends of the Y shaft; each steel wire rope bypasses the corresponding rope drum; the automatic unhooking device further comprises a limiting mechanism for limiting rotating of the X shaft. The automatic unhooking device has the advantages of simple structure and stable mechanical performance.