Patent ID: 9611012
Date: 2017-04-04
CPC Classifications: B63B

Claim:
1. An underwater towing device, comprising: an underwater towing assembly, the underwater towing assembly comprising a first floating body, a second floating body, a third floating body, and a fixing frame; and a fixing mechanism of the underwater towing assembly, the fixing mechanism being disposed on a deck and comprising a fairlead carrier and two supports disposed on two sides of the fairlead carrier; wherein the first floating body, the second floating body, and the third floating body are connected together via the fixing frame; the first floating body, the second floating body, and the third floating body have streamlined and bilaterally symmetrical shapes and are all hollow so as to accommodate experimental equipment; the first floating body is a cylinder having a drop-shaped horizontal cross-section; an upper part of the first floating body is provided with a buoyancy reserve tank having an elliptic horizontal cross-section; between the first floating body and the buoyancy reserve tank is provided with an adapter; a tail of the second floating body is provided with first vertical guiding spoilers and first horizontal guiding spoilers; a tail of the third floating body is provided with second vertical guiding spoilers and second horizontal guiding spoilers; the fixing frame comprises an upper frame and a lower frame; the upper frame is fixedly connected to the lower frame; the upper frame comprises an upper rectangular frame and a first circular tube on a diagonal of the upper rectangular frame; the first floating body is fixed on a center of the first circular tube, and four diagonal braces are connected to the first floating body and four corners of the upper rectangular frame; the lower frame comprises six second circular tubes horizontally arranged, a lower rectangular frame, four third circular tubes vertically arranged, three fourth circular tubes which are arc-shaped and collision-proof, two sleigh-shaped members, and two seat boards; the second circular tubes, the lower rectangular frame, the third circular tubes, the fourth circular tubes, the sleigh-shaped members, and the seat boards are fixedly connected together; the second floating body and the third floating body are fixedly connected to the lower frame; one end of the fairlead carrier is fixed on the deck, and another end of the fairlead carrier is connected to a diagonal tie bar of the fairlead carrier; a top of the fairlead carrier is provided with a fairlead; one end of a towing steel cable passes through the fairlead and is connected to a steel cable connecting hole on the sleigh-shaped members, another end of the towing steel cable is connected to a winch; the supports are supported by a vertical support rob on a central part of the supports; one end of the supports is fixed on the deck, and another end of the supports is connected to lifting hooks corresponding to two lifting hook holes on the sleigh-shaped members via a hoist cable; a vertical slab of a tail end of a ship hull is provided with a bumper pad.