Examine weighing apparatus car, top cap and manhole

The utility model discloses a manhole of top cap, including the apron and the base of mutually supporting, still include with the apron with the anti -theft device that the base is connected, the anti -theft device is used for the locking the apron with the base. When closing this manhole, the apron locks through this anti -theft device with the base to the security of goods improves. The utility model also discloses a top cap of be equipped with this manhole and an examine the weighing apparatus car that is equipped with this top cap.