Protection device for steel strand of prefabricated part

The utility model provides a protection device for a prefabricated part steel strand, which comprises a connecting unit and a protection unit, the connecting unit and the protection unit are connected through a connecting piece, the connecting unit and a prefabricated part are magnetically attracted, and the protection unit comprises a sleeve bag with one end open and the other end closed. According to the utility model, the structure of each part is simple, the production efficiency is greatly improved, and the production difficulty and the production cost are reduced; a drying agent arranged in the protection unit effectively prevents the sleeved steel strand from rusting due to the fact that mist is generated in the sleeve bag, and the quality of the steel strand is guaranteed; the sleeve bag of the protection unit is a flexible bag, can be folded, and is small in size, light in weight and convenient to transport. 本实用新型提出一种预制构件钢绞线的保护装置，包括连接单元与保护单元，所述连接单元与所述保护单元通过连接件连接，所述连接单元与预制构件磁吸，所述保护单元包括一端开口、另一端闭口的套袋。本实