Net hauler for trawler
AssigneeZhejiang Ocean University
InventorsYonghe Xie, Guibiao Wang, Wei Wang, Lijun Wang
Life of this patent
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Abstract
The present disclosure belongs to the technical field of fishing operation equipment in fishery, and relates to a net hauler for a trawler. The net hauler includes two rope drums, a drum rotation shaft is disposed on each rope drum and includes a first rotation shaft and a second rotation shaft, a drum is disposed on the first rotation shaft, a cylindrical housing is disposed between two ends of the first rotation shaft and the second rotation shaft, a pivot is disposed on the cylindrical housing. The present disclosure has advantages of changing a net hauling speed and improving a fishing efficiency.
Claims6
A net hauler for a trawler, comprising two rope drums (1) disposed at left and right sides, wherein a drum rotation shaft (12) is axially disposed on each rope drum (1),
- wherein each of the drum rotation shafts comprises:
- a first rotation shaft (121) and a second rotation shaft (122) which are coaxially disposed, a drum (13) being coaxially fixed on the first rotation shaft (121), a cylindrical housing (2) being coaxially fixed between two opposing ends of the first rotation shaft (121) and the second rotation shaft (122), a pivot (21) being axially and rotatably disposed on each of the cylindrical housing (2), and a driving mechanism capable of driving the pivot (21) to rotate and is disposed in the cylindrical housing (2),
- at least one circular plate (23) being coaxially fixed on the pivot (21), a plurality of sliding grooves (231) are uniformly opened on a side surface of the circular plate (23) around the pivot (21), an inner wall at one end of each sliding groove (231) penetrates through an edge of the circular plate (23), and the other end of each sliding groove (231) extends toward a middle part of the circular plate (23),
- a sliding arm (24) is slidably disposed on each of the sliding grooves (231), a plurality of positioning holes (27) corresponding to the sliding arms (24) are disposed on the cylindrical housing (2), and an end of the sliding arm (24) protrudes out of the corresponding positioning hole (27) to be fixedly provided with an arc plate (25), a rope (14) with a free end connected with a trawling net (4) being wound on each of the drums (13).
Dependencies are inferred from the claim text.