Side-frame integral sand core hooking assembly and lifting hook

The utility model discloses a lifting hook used for lifting a side-frame integral sand core, which comprises a first connecting rod and a second connecting rod which are pivoted, as well as a liftingshaft connected with a lifting appliance, wherein the first connecting rod and the second lifting rod are generally symmetrical by taking an extension lead of the lifting shaft as a symmetry axis; thefirst connecting rod consists of a first upper section and a first lower section; the second connecting rod consists of a second upper section and a second lower section; the first upper section andthe second upper section are respectively connected with the lifting shaft by equal connecting parts; an elastic mechanism is arranged between the first lower section and the second lower section so as to leave a proper distance between the tail end of the first connecting rod and the tail end of the second connecting rod; and the tail end of the first connecting rod and the tail end of the secondconnecting rod are respectively connected with a lifting arm. The lifting hook has convenient operations of hoisting and sand core setting; and by utilizing the lifting hook, the safety of lifting the side-frame integral sand core is obviously improved, and the efficiency of lifting the side-frame integral sand core is obviously improved. The utility model also discloses a side-frame integral sand core hooking assembly comprising the lifting hook.