An in vitro PRESTRESS cable shoe steering - steering overtube

The present invention relates to an in vitro PRESTRESS steering cable shoe - overtube steering gear, at the corner of the prestressing cables in the radial bearing, comprising an outer sleeve, and the cable stop wing steering boots; and the outer sleeve a bridge connected to the bogie or embedded in the concrete wall; steering support said arc in the radial bearing piece is provided with gentle prestressing tendon steering, steering shoe and mounted within the outer sleeve is fixed; disposed at both ends of the outer sleeve the cable has a stop wing. Advantageous effects of the invention are: the use of the steering shoe - overtube diverter as compared with the conventional steering apparatus of the prestressing cables in vitro, using conventional steel, steel processing, welded, simple process, easy to control quality. Light-weight steering shoe, the installer a single, easy to install, processing, low cost installation.