Anti-winding device for ship rotating shaft

Abstract

One or more embodiments of the invention provide an anti-winding device for a ship rotating shaft. The device comprises a stern tube arranged at a stern part, and a cutter assembly fixedly arranged atthe port of the stern tube; a propeller hub is arranged in the stern tube; a propeller is arranged at the end of the propeller hub; the cutter assembly comprises a disturbance rod parallel to the axis of the propeller hub and a chain saw arranged on the outer wall of the stern tube, the disturbance rod is arranged at the end of the stern tube and performs planetary rotation with the propeller hubas the axis, the chain saw is in power connection with the disturbance rod, and when the disturbance rod rotates, the chain saw cuts entanglements through rotation. The cutter assembly is arranged and comprises the disturbance rod and the chain saw, and the propeller hub and the propeller can be protected before winding; and if winding cannot be avoided, the disturbance rod and the chain saw cutoff and remove the entanglement, so that the propeller hub gets rid of winding.

Description

technical field [0001] One or more embodiments of this specification relate to the technical field of marine equipment, and in particular to an anti-winding device for a rotating shaft of a ship. Background technique [0002] When the ship moves forward in the water, it will encounter various floating objects, some of which are rope-like floating objects, such as nylon ropes, aquatic plants, etc., will be entangled on the rotating shaft of the propeller and affect the normal rotation of the propeller, not only making multiple propellers The difference in speed will cause the ship to deviate when sailing, and in severe cases, it will cause the ship to lose power and cause a major accident. [0003] At present, in order to solve the problem of entanglement of the propeller, a cutting knife is generally installed on the propeller hub or the stern tube of the ship, but the installation of the cutting knife is a compensatory measure, which is effective after the entanglement occu...

AI Technical Summary

Problems solved by technology

[0002] When the ship moves forward in the water, it will encounter various floating objects, some of which are rope-like floating objects, such as nylon ropes, aquatic plants, etc., will be entangled on the rotating shaft of the propeller and affect the normal rotation of the propeller, not only making multiple propellers The difference in speed will cause the ship to deviate when sailing, and in severe cases, it will cause the ship to lose power and cause a major accident

[0003] At present, in order to solve the problem of entanglement of the propeller, a cutter is generally installed on the propeller hub or the stern tube of the ship, but the installation of the cutter is a compensatory measure, which is effective after the entanglement occurs, and cannot be applied before the entanglement occurs. protection; at the same time, once there are too many entanglements, the cutting rate of the cutting knife is lower than the winding rate, which will make the cutting effect of the cutting knife invalid, and eventually the entanglements cannot be avoided.

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