FIELD: portable test levers to control jacking ability and/or accelerating capacity of hoisting device.
SUBSTANCE: test lever comprises load arm and force application arm, built-in measuring device and receiving member distant from force application arm and connected to load arm. Method to determine cable jacking ability and/or hoisting device accelerating capacity involves fixing portable test lever; forming test lever support point; applying test force to test lever section; transmitting the force to hoisting device cable through test lever and recording measurement parameter, which characterizes hoisting device condition. Test lever system is connected to hoisting device cable. Test lever support point is formed by providing connection with building area and/or hoisting device part. Fastening device for test lever cable has central cable guiding means to create mating part for test lever support.
EFFECT: simplified structure.
18 cl, 12 dwg
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Authors
Dates
2008-03-10—Published
2004-05-14—Filed