Title:
水中物体回収方法およびこれに用いるスケルトンバケット
Document Type and Number:
Japanese Patent JP6936490
Kind Code:
B2
Abstract:
To provide an underwater object recovery method and a skeleton bucket used for this capable of recovering numerous underwater objects dispersedly existing underwater at high efficiency without breaking them as much as possible.SOLUTION: An underwater object recovery method includes: an object position specifying process for specifying object position of underwater objects 4 dispersedly existing on water bottom beforehand based on water depth value of the water bottom measured by a prescribed depth measuring means; a work barge moving process for moving a work barge 3 capable of raising/lowering a skeleton bucket 1 formed in a lattice state so that the underwater objects 4 do not fall near the object position; a bucket lowering process for lowering the skeleton bucket 1 over the underwater object 4 based on underwater image from an underwater image acquirement means 17 provided on the skeleton bucket 1; and a bucket raising process for raising the skeleton bucket 1 in a state where the skeleton bucket 1 is grasping the underwater object 4.SELECTED DRAWING: Figure 1
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Inventors:
Ryuji Kanai
Hiroshi Onuki
Shinjiro Takahashi
Hiroshi Onuki
Shinjiro Takahashi
Application Number:
JP2018093580A
Publication Date:
September 15, 2021
Filing Date:
May 15, 2018
Export Citation:
Assignee:
Nishimura Gumi Co., Ltd.
International Classes:
B63B35/00; B63B27/10; B63C11/00; B63C11/48; B66C3/02
Domestic Patent References:
| JP2010112021A | ||||
| JP2009107740A | ||||
| JP2000282504A | ||||
| JP2013124014A | ||||
| JP9156879A | ||||
| JP2014016292A |
Foreign References:
| US20160280514 |
Attorney, Agent or Firm:
Shingo Sagawa
Motoko Kobayashi
Yosuke Kawano
Yoko Ebe
Tomoyuki Okubo
Motoko Kobayashi
Yosuke Kawano
Yoko Ebe
Tomoyuki Okubo