JPH02141598U - - Google Patents

Info

Publication number
JPH02141598U
JPH02141598U JP4859889U JP4859889U JPH02141598U JP H02141598 U JPH02141598 U JP H02141598U JP 4859889 U JP4859889 U JP 4859889U JP 4859889 U JP4859889 U JP 4859889U JP H02141598 U JPH02141598 U JP H02141598U
Authority
JP
Japan
Prior art keywords
lid
opening
lid members
thruster tunnel
closing
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Granted
Application number
JP4859889U
Other languages
Japanese (ja)
Other versions
JPH0719998Y2 (en
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed filed Critical
Priority to JP1989048598U priority Critical patent/JPH0719998Y2/en
Publication of JPH02141598U publication Critical patent/JPH02141598U/ja
Application granted granted Critical
Publication of JPH0719998Y2 publication Critical patent/JPH0719998Y2/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Landscapes

  • Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
  • Excavating Of Shafts Or Tunnels (AREA)

Description

【図面の簡単な説明】[Brief explanation of drawings]

第１〜３図は本考案の一実施例としての舶用ス
ラスタートンネル開口部開閉装置を示すもので、
第１図は本装置を装備したスラスタートンネル開
口部付近の横断面図、第２図は第１図の−矢
視図、第３図は第２図の−矢視図である。 １…蓋部材としての上蓋、２…蓋部材としての
中蓋、３…蓋部材としての下蓋、４…回転軸、５
…軸受ケーシング、６…軸受、８…リンク式開閉
機構、９…油圧シリンダ、１０…スラスタートン
ネル、１０ａ…丸棒、１１…船体、１２…軸受ケ
ーシング連結材、Ａ…開閉蓋。 Figures 1 to 3 show a marine thruster tunnel opening/closing device as an embodiment of the present invention.
FIG. 1 is a cross-sectional view of the vicinity of the opening of a thruster tunnel equipped with this device, FIG. 2 is a view taken along the - arrow in FIG. 1, and FIG. 3 is a view taken along the - arrow in FIG. DESCRIPTION OF SYMBOLS 1... Upper lid as a lid member, 2... Inner lid as a lid member, 3... Lower lid as a lid member, 4... Rotation shaft, 5
... Bearing casing, 6... Bearing, 8... Link type opening/closing mechanism, 9... Hydraulic cylinder, 10... Thruster tunnel, 10a... Round bar, 11... Hull, 12... Bearing casing connection material, A... Opening/closing lid.

Claims (1)

【実用新案登録請求の範囲】[Scope of utility model registration request] 水面下で船体に形成されたスラスタートンネル
の開口部に、互いに平行な回転軸を介して回転可
能に並設された複数の蓋部材から成る開閉蓋をそ
なえるとともに、上記回転軸を介し上記複数の蓋
部材を一斉に回転駆動して上記開閉蓋の開閉を行
なうリンク式開閉機構をそなえ、上記複数の蓋部
材が、それぞれ翼形断面を有するとともに、上記
開閉蓋の閉鎖時に互いに連接する上記複数の蓋部
材の外面が全体としてほぼ面一の平面状となるよ
うに形成されていることを特徴とする、舶用スラ
スタートンネル開口部開閉装置。 An opening/closing lid consisting of a plurality of lid members rotatably arranged in parallel via mutually parallel rotation axes is provided at the opening of the thruster tunnel formed in the hull under the water surface, and a The plurality of lid members each have an airfoil cross section, and the plurality of lid members are connected to each other when the lid is closed. A marine thruster tunnel opening opening/closing device, characterized in that the outer surface of the lid member is formed so as to be substantially flush with the entire surface.
JP1989048598U 1989-04-25 1989-04-25 Thruster tunnel opening / closing device for ships Expired - Lifetime JPH0719998Y2 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP1989048598U JPH0719998Y2 (en) 1989-04-25 1989-04-25 Thruster tunnel opening / closing device for ships

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP1989048598U JPH0719998Y2 (en) 1989-04-25 1989-04-25 Thruster tunnel opening / closing device for ships

Publications (2)

Publication Number Publication Date
JPH02141598U true JPH02141598U (en) 1990-11-28
JPH0719998Y2 JPH0719998Y2 (en) 1995-05-10

Family

ID=31565551

Family Applications (1)

Application Number Title Priority Date Filing Date
JP1989048598U Expired - Lifetime JPH0719998Y2 (en) 1989-04-25 1989-04-25 Thruster tunnel opening / closing device for ships

Country Status (1)

Country Link
JP (1) JPH0719998Y2 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002264895A (en) * 2001-03-13 2002-09-18 Ishikawajima Harima Heavy Ind Co Ltd Side thruster for catamaran
KR101434143B1 (en) * 2012-09-14 2014-08-27 삼성중공업 주식회사 Resistance reducing apparatus of ship, and ship having the same

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS513597U (en) * 1974-06-27 1976-01-12
JPS57135500U (en) * 1981-02-19 1982-08-24

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS513597U (en) * 1974-06-27 1976-01-12
JPS57135500U (en) * 1981-02-19 1982-08-24

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP2002264895A (en) * 2001-03-13 2002-09-18 Ishikawajima Harima Heavy Ind Co Ltd Side thruster for catamaran
KR101434143B1 (en) * 2012-09-14 2014-08-27 삼성중공업 주식회사 Resistance reducing apparatus of ship, and ship having the same

Also Published As

Publication number Publication date
JPH0719998Y2 (en) 1995-05-10

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