Multifunctional integrated ship stern support device

Abstract

The invention provides a multifunctional integrated ship stern support device. The device includes a centering ring, an outer rigid shock absorbing layer, an elastomer, an inner rigid shock absorbinglayer and a limiter; the centering ring is connected with a hub through an end flange, the outer rigid shock absorbing layer and the inner rigid shock absorbing layer are fixedly connected with the centering ring and a bearing respectively, and the middle of the inner rigid shock absorbing layer is a spherical bulge. The elastomer is arranged between the inner rigid shock absorbing layer bulge andthe outer rigid shock absorbing layer, the limiter is fixed at the end of the outer rigid shock absorbing layer, the bottom of the limiter is a certain distance away from the surface of the internalrigid shock absorbing layer so as to limit relative motion between the internal rigid shock absorbing layer and the external rigid shock absorbing layer under the abnormal transient work condition. The device can solve the unbalanced load problem of an existing ship stern bearing in the dynamic use environment and meanwhile has the dynamic vibration reduction function and the limiting function under the abnormal working condition.

Description

technical field [0001] The invention relates to the technical field of ships, in particular to a multifunctional integrated ship stern support device. Background technique [0002] Since the 1970s and 1980s, my country has gradually adopted water-lubricated rubber bearings in ships to replace the original oil-lubricated bearings and iron pear wood bearings. For underwater ships, although water-lubricated rubber bearings can solve the exposure problems caused by sealing and oil leakage, they also have certain shortcomings, especially under low-speed and heavy-load conditions, the lubricating water film is not easy to form, resulting in a strong high-frequency Friction noise. In response to this problem, the method of inclined bearing or oblique boring is generally used in engineering to improve the relative static position of the shaft section and the bearing, or focus on the optimal design of the bearing material and structure (such as the use of polymer material bearing bu...

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Problems solved by technology

[0003] In view of this, the present invention provides a multi-functional integrated ship stern support device, which can solve the problem of unbalanced load of existing ship stern bearings in a dynamic use environment, and has the functions of dynamic vibration reduction and abnormal working condition limit function at the same time

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