Title:
POOL-TYPE PORTABLE FISH PASSAGE UNIT
Document Type and Number:
Japanese Patent JP2021116634
Kind Code:
A
Abstract:
To provide a fish passage unit capable of being applied to a fall portion in a river and a water passage and easily maintained and managed at low cost.SOLUTION: A portable fish passage unit includes: floor plates FL disposed in a runup path of fishes; side wall plates ER erected at left and right ends of the floor plates FL; connection plates CNL, CNR fixed to left and right positions of the floor plates FL; a plurality of sloped plates SL1, SL2, SR1, SR2 hinge-connected with the connection plates CNL, CNR and being in contact with the side wall plates ER in a sloped posture; and prevention plates BL1 to BL3 inserted into a gap GV of the sloped plates neighboring in a flow direction to be held in a posture perpendicular to the flow. Water gets over the prevention plates BL1 to BL3 to flow. On the other hand, flowing water pools Pool1 to Pool3 are formed by the floor plates FL, the side wall plates ER and the prevention plates BL1 to BL3.SELECTED DRAWING: Figure 3
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Inventors:
TAKAHASHI NAOKI
Application Number:
JP2020012122A
Publication Date:
August 10, 2021
Filing Date:
January 29, 2020
Export Citation:
Assignee:
INST NATIONAL COLLEGES TECH JAPAN
International Classes:
E02B8/08
Attorney, Agent or Firm:
Seiichi Nonaka
Itaya Masayuki
Isabe Tsuyoshi
Itaya Masayuki
Isabe Tsuyoshi