Super-strength steel tie-back cable at joint for rolling ship elevator and connection structure thereof

Abstract

The present invention provides a super-strength steel joint inhaul cable used in a roll-on roll-off ship elevator which belongs to the technical field of rope pulling. The steel joint inhaul cable is provided with a structure as follows: one end of a wire rope is connected with a steel pressed joint with a screw; the screw is provided with two nuts used for adjusting the tension of the wire rope; and the other end of the wire rope is connected with a wedge joint. The steel joint inhaul cable is connected with an elevator in a way as follows: one end of the steel pressed joint with the screw which is provided with the nut is fixed on a deck steel clapboard of the elevator, and the wedge joint is fixed on an ear plate of a cabin bottom steel clapboard. The steel joint inhaul cable is fixed, the elevator deck is raised and dropped by the rising and the descending of an oil cylinder, the steel joint inhaul cable is fixed and positioned integrally, and the elevating work is finished by every cable passing nine pulley blocks. The steel joint inhaul cable ensures the elevating structure is more compact, more reasonable and more convenient for changing and the work efficiency is increased.

Description

technical field [0001] The invention relates to the technical field of drag cables, in particular to a super-strength steel joint drag cable for a ro-ro ship lift and its connecting structure. Background technique [0002] There are a lot of heavy vehicles on my country's offshore routes. When boarding the ship, the heavy vehicles need to be put into the bottom warehouse, and after arriving at the destination port, the heavy vehicles need to be transported to the lifting deck. This kind of rigging is used for this purpose. There are 8 riggings installed on each ship, and the wire rope and steel crimping rigging are fixed on both sides of the middle hydraulic cylinder, four on each side. The rigging passes through the bottom of the lifting deck, and the entire deck is raised, lowered, fixed and positioned through the pulley block, so that heavy vehicles can be easily lowered into the bottom compartment or raised to the deck. Heavy-duty trucks can weigh up to 80t, so this typ...

AI Technical Summary

Problems solved by technology

Heavy-duty trucks can weigh up to 80t, so this type of wire rope is required to be extremely safe, have extremely high tensile stress and the ability to withstand impact loads, and require a high service life. The end of the steel wire rope is connected, but due to insufficient fixing force, the steel rope is prone to slippage, causing a great safety hazard

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