JPS60105294U

JPS60105294U - drilling ship

Info

Publication number: JPS60105294U
Application number: JP19829883U
Authority: JP
Inventors: 信雄鈴木
Original assignee: 三菱重工業株式会社
Priority date: 1983-12-23
Filing date: 1983-12-23
Publication date: 1985-07-18

Abstract

(57)【要約】本公報は電子出願前の出願データであるた
め要約のデータは記録されません。(57) [Summary] This bulletin contains application data before electronic filing, so abstract data is not recorded.

Description

[Brief explanation of the drawing]

第１〜３図は従来の掘削船を示すもので、第１図はその
縦断面図、第２図は第１図の■−■矢視断面図、第３図
は第１図のｍ−ｍ矢視断面図であり、第４〜６図は本考
案の−・実施例としての掘削船を示すもので、第４図は
その縦断面図、第５図は第４図のＶ−Ｖ矢視断面図、第
６図は第４図のｖｉ−ｖｉ矢視断面図である。１・・・・・・船体、２・・・・・・船底開口部（ムー
ンプール）、３・・・・・・後壁、４・・・・・・前壁
、５・・・・・・側壁、６・・・・・・船底、７・・・
・・・流線、８・・・・・・渦流、９・・・・・・水面
、１０・・・・・・ノズル、１１・・・・・・水ジエツ
ト管、１２・・・・・・ポンプ、１２ａ・・・・・・吸
込口、１２ｂ・・・・・・吐出口、１４・・・・・・吸
水口、１５・・・・・・接続管。Figures 1 to 3 show a conventional drilling ship, with Figure 1 being a longitudinal cross-sectional view, Figure 2 being a cross-sectional view taken along the ■-■ arrow in Figure 1, and Figure 3 being a cross-sectional view taken along the line m-- in Figure 1. 4 to 6 show a drilling ship as an embodiment of the present invention, FIG. 4 is a longitudinal sectional view thereof, and FIG. 6 is a sectional view taken along the line vi-vi in FIG. 4. 1... Hull, 2... Bottom opening (moon pool), 3... Rear wall, 4... Front wall, 5...・Side wall, 6...Bottom, 7...
Streamline, 8... Vortex, 9... Water surface, 10... Nozzle, 11... Water jet pipe, 12... - Pump, 12a...Suction port, 12b...Discharge port, 14...Water intake port, 15...Connection pipe.

Claims

[Scope of utility model registration request]

The center of the hull is equipped with an opening for an excavator that penetrates vertically, and a water inlet is provided in the wall below the water surface of the opening, and a pump with a suction port connected to the water inlet, and a pump of the same type. 1. A drilling ship, comprising: a nozzle connected to the discharge port and capable of ejecting a water jet from above the water surface within the opening.