Working method for retractable ship-boarding trestle bridge with function of position compensation

Abstract

Provided is a working method for a retractable ship-boarding trestle bridge with a function of position compensation. The working method comprises an overlap-joint method, a servo-compensation methodand a disengagement method. The overlap-joint method comprises a manual overlap-joint method and an active compensation overlap-joint method. The manual overlap-joint method is to control a handle such that the handle is controlled to send a signal to a control system. The control system controls a rotary hydraulic system, a retractable hydraulic system and an amplitude varying hydraulic system such that the retractable trestle bridge can move within the overlap-joint range. When the overlap-joint range is reached, the active compensation overlap-joint method is applied. Concretely speaking, asignal is detected through a sensor and a DP system. The control system controls the rotary hydraulic system, the retractable hydraulic system and the amplitude varying hydraulic system according tothe signal. Ultimately, overlap-joint is achieved. After overlap-joint is finished, the servo-compensation method is switched. With the working method, the trestle bridge is reliably, safely and efficiently overlapped. After overlap-joint is finished, servo movement of the retractable trestle bridge is achieved. Therefore, people and transport material can smoothly and stably pass. Meanwhile, loads applied to overlap-joint points are minimized.

Description

technical field [0001] The invention relates to a working method of a telescopic boarding trestle with position compensation. Background technique [0002] Walking bridges or trestle bridges are mainly used to transport people or goods. On land, the construction of walking bridges is relatively simple, but it is relatively difficult to build the walking bridges used to transport people and materials between two ships at sea. Because, between ship and ship, move mutually, therefore, walk bridge is generally built on a ship, if need use, walk bridge is set between two ships by the mode of overlapping. And in lapping process, to realize better lapping, just need to consider the relative position between step bridge and another ship, otherwise can cause step bridge and ship to collide because of the floating of ship; Need to consider the relative position between two boats equally, according to the relative position of two boats, the step bridge is in the state of passive compe...

AI Technical Summary

Problems solved by technology

The structure adjusts the position of the platform through active wave compensation, and then realizes the lap joint. However, since the ship is shaking, it is difficult to ensure the position between the gangway and the ship during the lap joint process. The lap joint is very difficult. After the lap joint, if If the gangway cannot be followed, it is easy to damage the structure, and it is impossible to pass people and transport materials smoothly

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