FIELD: mechanical engineering; materials handling facilities. SUBSTANCE: invention can be used in pulley block systems for winding off flexible members. Said device has frame, sliders with levers provided with centers for mounted drum with flanges. According to invention, frame is furnished with jacks and double-bearing shaft with two brackets fitted on frame. Cross-member is secured on one of brackets. Cross-member is provided with splines for spline connection with levers by means of said sliders, and thread on ends for thread connections fixing the sliders when mounting the drum. Device has double-bearing shaft drive including motor with reduction gear and open gear train whose wheel is secured on other bracket of double-bearing shaft. EFFECT: improved service properties of device owing to provision of possibility of removing elastic stresses at twisting of flexible member in pulley block system. 3 dwg
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Authors
Dates
2002-10-10—Published
2001-03-05—Filed