METHOD FOR INSTALLATION OF PORTABLE LADDER AND LADDER WITH FASTENING SYSTEM FOR ITS IMPLEMENTATION Russian patent published in 2020 - IPC E06C1/10 

FIELD: electric power engineering.

SUBSTANCE: invention relates to electric power industry, including portable dielectric ladders installed on support surface, for example, on ground, and intended for performance of works at height, for example, on supports of overhead transmission line. Method for installation of portable ladder comprising two strings and steps, fixed between strings, is that lower end of ladder is held on support surface, ladder is lifted and installed in working position at required angle of inclination, wherein before beginning lifting of ladder on each beaker is fixed at least one stretching, after lifting end, ladder is fixed in working position by tensioning tensioners, wherein direction and tension force of stretch marks is installed so that to keep working position of ladder at operating load, technical result is achieved by the fact that portable ladder is installed according to specified method, as well as technical result is achieved by that kit of attachment system for portable ladder is installed according to specified method.

EFFECT: method of installing a portable ladder and a ladder with a fastening system for its implementation, providing a safe installation of the ladder, which does not require lifting on the ladder with a loose upper end, as well as in conditions of unreliable support or in the absence of support for upper end of ladder.

24 cl, 19 dwg