The invention discloses a bottom trawl catching boat for eriocheir sinensis. The bottom trawl catching boat comprises a bottom trawl and a catching boat body. The bottom trawl comprises a main mooring rope, a forked mooring rope connected to the tail end of the main mooring rope, supporting steel tubes connected with the forked mooring rope and a net bag connected with the supporting steel tubes. The bottom trawl catching boat is characterized in that a plurality of lifting clasps are arranged between the forked mooring rope and the net bag of the bottom trawl, a lifting frame is arranged on the catching boat body, and two lifting hooks ascending and descending alternately in linkage are arranged on the lifting frame. The trawl net bag is lifted through double pulley devices circularly and alternately in limited space, so that the labor intensity in the working process of a traditional trawl catching boat for eriocheir sinensis is obviously relieved, the number of seamen needed by the catching boat is reduced, the catching efficiency is improved, and the human resource cost is lowered.
Bottom trawl catching boat for eriocheir sinensis
06.01.2016
Patent
Elektronische Ressource
Englisch
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