JPH035598U

JPH035598U -

Info

Publication number: JPH035598U
Application number: JP6534489U
Authority: JP
Priority date: 1989-06-06
Filing date: 1989-06-06
Publication date: 1991-01-21

Description

[Brief explanation of drawings]

第１図は本考案の第一実施例を示す装着状態の
半裁断面図、第２図は同実施例の正面図、第３図
は第二実施例を示す装着状態の半裁断面図、第４
図は同実施例の正面図、第５図は第４図における
Ａ−Ａ断面図、第６図は同実施例の他の装着例を
示す半裁断面図、第７図は第三実施例を示す斜視
図、第８図は従来例を示すプロペラ軸の軸封部の
半裁断面図である。１……船体の船尾部分、２……プロペラ軸、３
……プロペラボス、４……ロープガード（船体側
部材）、５……船尾管軸封装置、５ａ……ケーシ
ング（船体側部材）、６……スリーブ、７……船
尾管軸受（船体側部材）、８，９，１０……漁網
侵入防止装置、８１，９１，１０１……取付け部
、８２，９２，１０２……外周鍔部、８２ａ，９
２ａ……環状カツタ、８５，９４，１０５……カ
ツタ片。 FIG. 1 is a half-cut sectional view showing the first embodiment of the present invention in the installed state, FIG. 2 is a front view of the same embodiment, FIG. 3 is a half-cut sectional view showing the second embodiment in the installed state, and FIG.
The figure is a front view of the same embodiment, FIG. 5 is a sectional view taken along the line A-A in FIG. 4, FIG. 6 is a half-cut sectional view showing another mounting example of the same embodiment, and FIG. The perspective view shown in FIG. 8 is a half-cut sectional view of a shaft seal portion of a propeller shaft showing a conventional example. 1...Stern part of the hull, 2...Propeller shaft, 3
...Propeller boss, 4...Rope guard (hull side member), 5...Stern tube shaft sealing device, 5a...Casing (hull side member), 6...Sleeve, 7...Stern tube bearing (hull side member) ), 8, 9, 10... Fishing net intrusion prevention device, 81, 91, 101... Mounting part, 82, 92, 102... Outer flange part, 82a, 9
2a... Annular cutter, 85, 94, 105... Cutter piece.

Claims

[Scope of Claim for Utility Model Registration] 1. A fishing net intrusion prevention device that is located outside the stern tube shaft sealing device or the stern tube bearing and is attached to the periphery of the stern shaft or the outer periphery of the boss of the propeller rotated by the stern shaft. , characterized in that a large number of sharp cut pieces extending across the shaft rotation direction and protruding toward the outer diameter side are arranged on the outer periphery of the attachment part having the outer peripheral flange close to the non-rotating hull side member. Fishing net intrusion prevention device on the stern shaft. 2. The stern shaft fishing net intrusion prevention device according to claim 1, wherein the attachment portion is divided into a number of blocks in the circumferential direction. 3. The stern shaft fishing net intrusion prevention device according to claim 1 or 2, wherein a sharp cut is formed on the outer peripheral edge of the outer peripheral collar.