PROBLEM TO BE SOLVED: To provide an underwater lifting device capable of performing maintenance of a sonar during underwater levitation of a main ship.SOLUTION: An underwater lifting device 100 capable of lifting up and down a sonar 2 from a bottom of a ship 3, comprises: a storage box 10 capable of storing the sonar 2 and disposed so as to be opened to the bottom; a lifting rod 20 for lifting the sonar 2 to be coupled to a lower end between a storage position where the sonar 2 is stored in the storage box 10 and a work position where the sonar 2 is protruding in water from the bottom of ship; and a shut-off valve 30 interposed between the storage box 10 and the bottom of the ship 3, and capable of shutting off communication between the storage box 10 and water. The storage box 10 comprises: a drain passage 13 capable of draining water in the storage box 10 when the shut-off valve 30 shuts off communication between the storage box 10 and water; and a lid body 12 disposed on an opening 11 disposed on a side surface of the storage box 10 and capable of being detached.

    【課題】本船水中浮揚中にソナーをメンテナンスすることが可能な水中昇降装置を提供する。【解決手段】ソナー2を船底3から昇降可能な水中昇降装置100は、船底3に開口するように船体1内に設けられソナー2を格納可能な格納ボックス10と、下端に連結されるソナー2を格納ボックス10内に格納された格納位置と船底3から水中に突出した作業位置との間で昇降させる昇降ロッド20と、格納ボックス10と船底3との間に介装され格納ボックス10と水中との連通を遮断可能な遮断バルブ30と、を備える。格納ボックス10は、遮断バルブ30が格納ボックス10と水中との連通を遮断している場合に格納ボックス10内の水を排出可能なドレン通路13と、格納ボックス10の側面に設けられる開口部11に覆設され取り外し可能な蓋体12と、を有する。【選択図】図1


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    Title :

    UNDERWATER LIFTING DEVICE


    Additional title:

    水中昇降装置


    Contributors:

    Publication date :

    2015-11-16


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    Japanese


    Classification :

    IPC:    B63G OFFENSIVE OR DEFENSIVE ARRANGEMENTS ON VESSELS , Angriffs- oder Verteidigungsanordnungen auf Schiffen / B63B Schiffe oder sonstige Wasserfahrzeuge , SHIPS OR OTHER WATERBORNE VESSELS / G01S RADIO DIRECTION-FINDING , Funkpeilung



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