Dry coke quenching lifting machine hoist, including crossbeam, slide bar and lifting hook, the crossbeam is fixed on the derrick, and the slide bar can slide on the crossbeam, and the lifting hook is fixed in the slide bar bottom, sets up a limiting plate on the lifting hook, and the slide bar middle part sets up a support, and support bottom installs an infrared inductor corresponding to the position that the limiting plate was opened completely. The utility model discloses add on the hoist lifting hook and establish the limiting plate, infrared inductor of the position of opening totally top installation, when the lifting hook can not be opened totally, the lifting hook is spacing will report to the police, and accuse worker lifting hook is not opened totally in the warning, conveniently notifies the maintainer to examine and repair, notifies burnt tank car to influence the equipment operation in order to avoid the hook accident appears hitting through the derrick, has the advantage of simple structure, convenient to use and safety and stability.