Telescopic forks are widely used in intelligent AS/RS storage system, often used with automatic stacker cranes, which is the main picking or feeding mechanism for stacker cranes to access the goods in the three-dimensional storage, which has the function of automatic telescopic function and limit function.By directly assembling on the stacker crane, or fixed lifting mechanism, mobile travelling lifting platform, with through the aisle between the shelves, to complete the automatic access, moving loads or machine tool automatic loading and unloading work!