A kind of firm locking type marine rudder stock

Abstract

The invention discloses a stable locking type ship-used rudder stock. The rudder stock comprises an upper rod body, a lower rod body and a protective casing. The upper rod body and the lower rod body are connected in an end-to-end mode; the protective casing is connected to the lower end of the lower rod body in a sleeving mode. The rudder stock further comprises a rotational locking mechanism. An abutting ring groove is formed in a threaded hole in the side face of the lower rod body; the diameter of the abutting ring groove is larger than that of the threaded hole; an annulus elastic body is arranged in the abutting ring groove; an abutting ring is arranged on the side face of a rotational screw; the abutting ring is installed in the abutting ring groove; one end of the annulus elastic body elastically abuts against the abutting ring groove, and the other end of the annulus elastic body elastically abuts against the abutting ring; the annulus elastic body is connected to the rotational screw in a penetrating mode. The rotational screw abuts through the annulus elastic body, so that it is ensured that the rotational screw is more stably connected with the threaded hole in the upper rod body, the rotational screw is not prone to rotation, it is only required that the rotational screw is rotated in the whole moving process, and the operational process is simple and convenient.

Description

technical field [0001] The invention relates to the field of marine accessories, in particular to a marine rudder stock. Background technique [0002] The rudder stock refers to the rotating rod that connects the rudder blade and the steering gear or the tiller, and transmits the rudder torque. As we all know, the rudder stock is one of the most important components in the shipbuilding industry. The current rudder stock is generally a one-piece structure of forged steel. However, there are many defects in the current rudder stock. The bottom of the rudder stock is soaked in seawater and river water for a long time. It will be corroded by sea water, and corrosion spots will be formed on the surface of the rudder stock, which will affect the service life of the rudder stock. How to protect the rudder stock and how to quickly assemble it The protective sleeve has become the primary problem to be solved; in addition, the material properties of the forged steel are easy to caus...

AI Technical Summary

Problems solved by technology

However, there are many defects in the current rudder stock. The bottom of the rudder stock is soaked in seawater and river water for a long time. It will be corroded by sea water, and corrosion spots will be formed on the surface of the rudder stock, which will affect the service life of the rudder stock. How to protect the rudder stock and how to quickly assemble it The protective sleeve has become the primary problem to be solved; in addition, the material properties of the forged steel are easy to cause wear on the surface of the rudder stock, which will reduce the efficiency of the rudder stock to transmit torque, scrap the whole, and increase the cost of the enterprise

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