| 摘要 |
FIELD: equipment for bridge maintenance and repair, particularly hanging scaffolds. ^ SUBSTANCE: hanging scaffolds comprises operating platform, two cradles, four control rods arranged symmetrically in pairs in each cradle, and two carts. Operating platform includes medium sections and end sections made as framework and connected one to another. Each tie-rod is collapsible and made of a number of pipes connected one to another by rigid connections. Lower part of tie rod is connected to cradle comprising panel, barrier, winch and lever grip for operating platform gripping. Upper part thereof is shaped and includes a hook. Upper part end is secured to cart installed on bridge span structure. ^ EFFECT: increased reliability of scaffolds connection with bridge span structure, reduced time of scaffolds assemblage. ^ 3 cl, 5 dwg |
