Elastic coupler for supporting propeller thrust direct transmission

Abstract

The invention discloses an elastic coupler for supporting propeller thrust direct transmission. The elastic coupler comprises a thrust bearing component connected with a propeller and an elastic coupler component connected with a gear box, and the thrust bearing component and the elastic coupler component are connected in series. The elastic coupler for supporting the propeller thrust direct transmission integrally has an effect of being capable of transmitting torque and thrust bearing, and by means of the elastic coupler for supporting the propeller thrust direct transmission, the gear box volume can be reduced, ship body layout is made to be more flexible, a complete set of shafting has the advantages of being low in cost, good in economy, convenient to fabricate, disassemble and assemble, high in applicability and the like, under the historical background of increasing attention to the ship body structure layout and ship operation, the elastic coupler for supporting the propeller thrust direct transmission has good promotion benefits and considerable market prospects, and good economic and social benefits can be generated.

Description

technical field [0001] The invention relates to a shaft coupling, in particular to an elastic coupling supporting propeller thrust direct transmission. Background technique [0002] With the continuous improvement of people's requirements for the comfort of the cabin deck, the vibration isolation unit is used to isolate the vibration and noise generated by the propeller or the main engine. Otherwise, the excessive vibration of the hull will directly lead to fatigue damage of the hull structure, affecting the equipment and equipment on the ship. The normal operation of the instrument will reduce the accuracy of use and shorten the service life. However, under normal circumstances, the coupling between the stern shaft connected to the propeller at one end and the power output shaft of the gearbox at the other end not only undertakes the transmission of the high torque of the main engine to the propeller, but also bears the reverse rotation caused by the action of the propeller...

AI Technical Summary

Problems solved by technology

[0003] By analyzing the causes of ship vibration, the operation of the propeller and the main engine is the key factor that causes different degrees of vibration of the hull. After further research, active vibration isolation design is usually carried out between the main engine and the hull, that is, rubber and other dampers are used between the two. The vibration isolation material isolates the vibration of the main engine. Therefore, in the vibration of the hull, the tail vibration caused by the surface force induced by the propeller and the cavitation is the main vibration source of the hull, and the gearbox that carries the thrust and the hull are conventionally used The rigid connection makes the noise and vibration generated by the excitation source more transmitted to the hull structure, causing steady-state forced vibration of the hull, causing fatigue damage to the hull structure, affecting the normal operation of equipment and instruments on board, reducing the accuracy of use, shortening the service life, and damage the health and comfort of the crew on board, so how to realize the operation of thrust bearing and torque transmission is particularly important. The development of an elastic coupling that supports direct transmission of propeller thrust is important to ensure the comfort of the cabin. , the key to equipment safety and hull lightweight

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