FIELD: transport.
SUBSTANCE: invention relates to devices for maintenance of equipment located at height. Safety device assisting ascending contains motorised ascending assisting device made capable to assist user to use ladder and including loop-shaped belt with fixture made and located with possibility to be attached to user safety equipment, where the loop-shaped belt provides traction force to help user to use ladder. In this system, the mentioned motorised device contains engine unit which contains engine having driving shaft, and driving pulley which is connected with driving shaft and which interacts with the loop-shaped belt, fall-stopping unit integrated with the mentioned motorised ascending assisting device and made and located so that it provides prevention of loop-shaped belt movement during fall, where the fall-stopping unit contains grip which is connected with engine unit and has at least one projection, at least one catch attached with possibility to turn towards driving pulley and made and located with possibility to interact with the mentioned at least one grip projection to prevent rotation of driving shaft thus preventing movement of loop-shared belt during fall.
EFFECT: higher efficiency and safety of going up a ladder.
15 cl, 29 dwg
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Authors
Dates
2014-07-20—Published
2010-02-22—Filed