JPS6332996U

JPS6332996U -

Info

Publication number: JPS6332996U
Application number: JP12657286U
Authority: JP
Priority date: 1986-08-21
Filing date: 1986-08-21
Publication date: 1988-03-03
Anticipated expiration: 2001-08-21
Also published as: JPH0512159Y2

Description

[Brief explanation of the drawing]

第１図は本考案の好適一実施例を示す側面図、
第２図は第１図実施例の平面図、第３図は取付手
段の第１の実施例の配置図、第４図は取付手段の
第２の実施例、第５〜７図は第３図実施例の水密
の凹部詳細図、第８〜１３図は第１図実施例の砕
氷構造体の詳細構造図、第１４図は第３図の取付
手段における実施例の緊結手段詳細図、第１５図
、第１６図は第４図の取付手段における実施例の
緊結手段詳細図、第１７図は大型砕氷船の船首部
図を示す。図中、１…氷域、２…小型船舶、３…砕氷構造
体、４…船首部、５…取付手段、５ａ…鍔、６…
凹部、７…取付用アイ、８…船体外板、９…緊結
手段、１０…フツク付ボルト、１１…フランジ付
ナツト、１２…板材、１３…防撓材、１４…甲板
、１５…楔型底板、１６…水平底板、１７…側板
、１８…側板、１９…側板、２０…マンホール、
２１…貫通穴、２２…吊ピース、２３…締付ボル
ト、２４…ナツト、ｄ…吃水線、である。 FIG. 1 is a side view showing a preferred embodiment of the present invention;
Fig. 2 is a plan view of the embodiment shown in Fig. 1, Fig. 3 is a layout diagram of the first embodiment of the mounting means, Fig. 4 is the second embodiment of the mounting means, and Figs. 8 to 13 are detailed structural views of the ice-breaking structure of the embodiment shown in FIG. 1. FIG. 14 is a detailed view of the fastening means of the embodiment shown in FIG. 15 and 16 are detailed views of the fastening means of the embodiment of the attachment means shown in FIG. 4, and FIG. 17 is a view of the bow of a large icebreaker. In the figure, 1... Ice area, 2... Small ship, 3... Ice-breaking structure, 4... Bow part, 5... Attachment means, 5a... Tsuba, 6...
Recess, 7... Attachment eye, 8... Hull outer plate, 9... Fastening means, 10... Bolt with hook, 11... Nut with flange, 12... Plate material, 13... Stiffening material, 14... Deck, 15... Wedge-shaped bottom plate , 16... horizontal bottom plate, 17... side plate, 18... side plate, 19... side plate, 20... manhole,
21...Through hole, 22...Hanging piece, 23...Tightening bolt, 24...Nut, d...Water line.

Claims

[Scope of Claim for Utility Model Registration] (1) Attachment means arranged almost symmetrically on both sides of the bow of a small vessel navigating in waters near the waterline, and a wedge-shaped attachment means that connects the waterline and the wedge. A small-sized vessel characterized by comprising an ice-breaking structure whose mold bottom has an angle effective for ice-breaking, and a fastening means for attaching the ice-breaking structure to the bow of the small vessel when navigating in an ice area. Icebreaker. (2) The attachment means includes watertight recesses arranged approximately symmetrically on both sides of the hull near the waterline of the bow;
The small icebreaker according to claim 1, wherein the small icebreaker is characterized in that the mounting means includes a mounting eye fixedly installed in the recess. (3) The attachment means includes a flange fixed to the outer skin near the waterline of the bow section, which is substantially vertically symmetrical to the waterline, and also substantially horizontally and symmetrically on both sides, and a mounting eye disposed on the flange. A small icebreaker according to claim 1, characterized in that the small icebreaker is a mounting means having: