| 摘要 |
FIELD: transport.SUBSTANCE: invention relates to mechanical appliances suspended from hoisting machines. Lifting beam comprises beam and bracket for crane hook, cargo fasteners arranged at beam ends and extra balancing mechanism arranged at of the beam ends. Balancing mechanism is composed of cantledge with fastener. Said cantledge and fasteners are arranged inside bearing beam. Cantledge fastener is composed of blind threaded union arranged inside top part of bearing beam and provided with tightening bolt.EFFECT: higher reliability, longer life.3 cl, 3 dwg |
