A liftable fin system for a scientific research vessel

Abstract

The invention discloses a special liftable fin system for a scientific research ship. The special liftable fin system for the scientific research ship comprises a vertical shaft which is formed to vertically extend into a cabin along a hull bottom; a lifting fin used for carrying a detection instrument is arranged within the vertical shaft; guide rail mechanisms used for assisting the lifting finto lift in a sliding manner are respectively arranged at the two end parts of the lifting fin; the guide rail mechanisms are vertically laid on the shaft wall in the forming direction of the verticalshaft; a driving mechanism used for driving the lifting fin to descend for detection or to rise for recovery is arranged on the shaft wall of the vertical shaft; and the special liftable fin system for the scientific research ship further comprises a buffering mechanism used for reducing an impact force at the connecting part of the driving mechanism and the lifting fin when the driving mechanismdrives the lifting fin to descend to a preset position in the water to detect. The buffering mechanism more conveniently connects an oil cylinder with the lifting fin and can effectively relieve the continuous impact forces of water flow resistance on the oil cylinder and the lifting fin during the navigation of the ship while descending into the water to implement detecting works.

Description

technical field [0001] The invention relates to the technical field of marine detection instruments and equipment, in particular to a liftable fin system for scientific research ships. Background technique [0002] As a mobile laboratory at sea, scientific research ships are key facilities for ocean exploration. At present, some of the marine detection instruments on the marine scientific investigation ship are directly installed on the outer plate of the bottom of the hull, and some are installed on the bottom of the hull or the bottom of the traditional "shaft-rudder" fin instrument cabin. The following requirements: [0003] (1) Measurements can be carried out under a wide range of sea conditions (that is, sea climate conditions) and high ship speeds, so as to shorten the period of measurement tasks and improve the utilization rate of ships and equipment; [0004] (2) The measuring instrument extends as far as possible from the bottom of the ship to avoid the influence ...

AI Technical Summary

Problems solved by technology

However, the above-mentioned lifting fin device cannot solve the influence of the water flow resistance on the lifting fin when the hull is sailing, and it will cause the lifting fin to vibrate, which will directly cause a large impact on the connection between the lifting fin and the hull. The continuous impact of time will cause damage to the connection parts

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