Aerial dolly transfer chain by oneself and hoist thereof

The utility model discloses an aerial dolly transfer chain by oneself and hoist thereof, including being used for connecting the connecting piece in the main part of aerial proper motion dolly transfer chain, first davit and second davit, the middle part of first davit is passed through the articulated shaft with the middle part of second davit and is articulated, first davit hangs arm -shaped with the second and becomes X -shaped intersecting structure, the top of first davit and the top of second davit difference swing joint are on the connecting piece, the bottom of first davit is the couple with the bottom of second davit, be equipped with between first davit and the second davit and be used for carrying out the locating part that restricts to the contained angle between first davit and the second davit. This kind of hoist when lifting by crane, convenient operation, efficiency is higher, can guarantee the security of lifting by crane through setting up of locating part, and hoistsimple structure, can red