Soil pick -up car jar body back lid locking device

The utility model discloses an even have the hinge mechanism between the soil pick -up car jar body back lid locking device, jar body rear portion and back lid, jar body rear end border and hou gai border have matched with jar personally experience sth. Part of the body border flange and hougai border flange respectively, still include many sets of equipartitions adorn in jar body rear portion is used for the locking mechanism of locking back lid, and every set of locking mechanism includes fixing base and fixed plate, and the one end of fixed plate has a hook plate through first articulated shaft is articulated, and the hook plate has a couple end, and the fixed plate other end even has a first connecting plate through the second articulated shaft, first connecting plate pass through the third articulated shaft with articulated between the fixing base have hydraulic cylinder, and first connecting plate still links through the third articulated shaft has the second connecting plate, the second connecting plat