2results about How to "Wide selection" patented technology

The utility model discloses a kind of super-long engineering pile hoisting systems, including crane, hanger, bottom form, hanger upper stage sling, stage sling is connected on crane, hanger is located at the sleeve set of corresponding stage sling two-stage sling, hanger is connected with its below pile body by two-stage sling, pile body is shaped on bottom form, bottom form is located at two-stage sling place and is all provided with rope slot, cover plate is movably arranged in rope slot.The utility model is characterized by: through the setting of hanger, stage sling, two-stage sling, without pre-buried lifting appliance, pile body is not prone to crack, guarantee the strength and integrity of pile body, facilitate subsequent use, ensure that the force of sling is minimum when hoisting pile body, make the wide range of sling selection, reduce production cost;Through the setting of rope slot, cover plate, solve the problem that two-stage sling is fixed around pile body and hanger, simple structure, convenient operation.