| 摘要 |
An apparatus of pulling a net using a multi step drum and a method of using the same are provided to draw a net without damaging fishes hooked in the net using a multi step drum and a support plate. The apparatus includes a multi step drum(100) installed on a drive shaft which is rotated by driving a hydraulic motor(30) and having first, second, and third drums(120,121,122) partitioned by plural drum pipes(110,111,112,113), secondary rollers(140,141,142) installed on a lower portion of the drum pipe of the multi step drum, a support plate(160) installed on a lower portion of the most inner secondary roller at a regular interval, a net guide pipe(130) installed on a rear portion of the first drum, and a support roller(210) installed on a lower portion of the first drum for supporting the net.
|
