| 摘要 |
<p>Scaffolding arranged for easy erection and removal comprises a number of platforms (12) each connected at its corners with suspension chains (14), from each the scaffolding can be suspended. Winches (24) can pay out or winch in cables (25) secured to the lowest platform and guides in relation to the intermediate platforms. Electrical, welding, or fire fighting services (44) are fed to guide rails (32) through flexible lines to be available as soon as the scaffolding is erected. The rails (32) are secured to the chains (14) and are automatically erected with the scaffolding.</p> |
