Mechanical anti-falling safety protecting device

The utility model discloses a mechanical anti-falling safety protecting device. The mechanical anti-falling safety protecting device is characterized by comprising a hook base (2), a hook (15) and a suspension piece (6). The upper end of the hook (15) is arranged on the hook seat (2) in a pivoted mode through a hinge pin (4). A locating stop post (1) and a stop block (18) are installed on one side of the hook (15), and a microswitch (17) is installed below the stop block (18). A stop mouth (5) is installed at the lower end of the hook (15) in a pivoted mode. The outer end of the stop mouth (5) extends out of a hook body (19) of the hook (15). The upper portion and the lower portion of the hook provided with a pivot (14) where the hook (15) is installed in the pivoted mode are provided with an upper stop post (16) and a lower stop post (13) respectively. The suspension piece (6) used for being matched with the hook body (19) is installed on a car carrying plate (7) provided with a vertically-through hole. The lower end of the suspension piece (6) penetrates through the car carrying plate (7) to be connected with a supporting piece (9). A switch plate (11) is installed on the supporting piece (9). A travel switch (12) is installed in the position, opposite to the switch plate (11), of the car carrying plate (7). An elastic piece (8) is installed between the car carrying plate (7) and the supporting piece (9). The mechanical anti-falling safety protecting device is safe, reliable and convenient to use.