Rocker structure of marine non-retractable fin stabilizer

Abstract

The invention relates to a rocker structure, in particular to a rocker structure of a marine non-retractable fine stabilizer, and belongs to the technical field of marine stabilization and control. The rocker structure comprises a rocker body, transmission pins, glands, upper steel collars, lower steel collars and fin drive cylinders; the left and right ends of the rocker body are provided with cylinder mounting grooves, the upper and lower ends of each cylinder mounting groove are provided with an upper stepped hole and a lower stepped hole respectively, each transmission pin is passed sequentially through the corresponding upper stepped hole, cylinder mounting groove and lower stepped hole sequentially from top to bottom, and the transmission pins are positioned at push rod heads of thecylinder mounting grooves, partially sleeving the fine drive cylinders. The rocker structure is simple, compact and reasonable in structure and has the stepped holes, the steel collars having a bore that is a conical hole are embedded in the stepped hoes, contact surface of the transmission pins has improved hardness and strength, the service life of the rocker structure is extended, and the rocker structure is releasable and replaceable.

Description

technical field [0001] The invention relates to a rocker arm structure, in particular to a rocker arm structure of a non-retractable fin stabilizer for ships, belonging to the technical field of ship anti-rolling and control. Background technique [0002] In recent years, the number of newly built ro-ro passenger ships crossing the Qiongzhou Strait and Bohai Bay has increased. At the same time, in order to ensure the safety and comfort of the ship's navigation, it is necessary to be equipped with fin stabilizers. [0003] The rocker arm is the main part of the executive mechanism of the non-retractable fin stabilizer used for marine fins—it forms the actuator of the fin together with the fin cylinder and the fin shaft, and the arm extending from the rocker part and the fin cylinder constitute the The connecting rod mechanism is connected with the transmission pin at the end of the oil cylinder earring. Because the materials of the rocker arm and the transmission pin are diff...

AI Technical Summary

Problems solved by technology

[0003] The rocker arm is the main part of the executive mechanism of the non-retractable fin stabilizer used for marine fins—it forms the actuator of the fin together with the fin cylinder and the fin shaft, and the arm extending from the rocker part and the fin cylinder constitute the The connecting rod mechanism is connected with the transmission pin at the end of the oil cylinder earring. Because the materials of the rocker arm and the transmission pin are different, the hardness is also different. After a long time working, the installation hole of the transmission pin on the rocker arm will be squeezed and deformed by the transmission pin, causing The drive pin is loose, preventing the fins from turning properly and cannot be repaired

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