| 摘要 |
A gantry for repair-renewal works is arranged with possibility to rest on two pairs of supports installed on carriers, and rigidity is provided with the upper shelf (of beam type) and lower one to which after that corresponding technological devices are fixed. The gantry is made component and represents a span system that consists of inventory blocks with different modularity (1, ½, ¼, )M, this provides autonomous operation of those and use at any length and form of walls of premises. |
