JPH0325623U

JPH0325623U -

Info

Publication number: JPH0325623U
Application number: JP8384589U
Authority: JP
Priority date: 1989-07-17
Filing date: 1989-07-17
Publication date: 1991-03-15
Anticipated expiration: 2004-07-17
Also published as: JPH086101Y2

Description

[Brief explanation of drawings]

第１図は、本考案の実施例の魚道設備を示す側
断面図、第２図は、実施例における下部魚室付近
の平面図、第３図は、第１図の−矢視方向の
上部魚室付近の平面断面図、第４図は、本考案の
実施例によるダムの全体を示す平面図、第５図は
、他の実施例の魚道設備の要部断面図である。第
６図は第５図の平面図、第７図は従来の魚道設備
の第１例の階段式魚道を示す平面図、第８図は従
来の階段式魚道の断面図、第９図は従来の索道を
利用した魚道の貯水池側を示す模式図、第１０図
は従来の索道を利用した魚道の下流側を示す模式
図、第１１図は従来の索道を利用した魚道の全体
図、第１２図は従来の魚道設備の第３例を示す側
面断面図、第１３図は第１２図の平面断面図であ
る。２０……ダム、２１……貯水池、２３……上部
魚室、２４……上流ゲート、２５……下部魚室、
２６……誘導水路、２７……下流ゲート、２９…
…分岐水路、３２……袋体。 FIG. 1 is a side sectional view showing the fishway equipment according to the embodiment of the present invention, FIG. 2 is a plan view of the vicinity of the lower fish chamber in the embodiment, and FIG. 3 is the upper part in the − arrow direction of FIG. 1. FIG. 4 is a plan sectional view of the vicinity of the fish chamber, FIG. 4 is a plan view showing the entire dam according to an embodiment of the present invention, and FIG. 5 is a sectional view of a main part of the fishway equipment of another embodiment. Fig. 6 is a plan view of Fig. 5, Fig. 7 is a plan view showing a step-type fishway as a first example of conventional fishway equipment, Fig. 8 is a sectional view of a conventional step-type fishway, and Fig. 9 is a conventional fishway. Figure 10 is a schematic diagram showing the downstream side of a fishway using a conventional cableway. Figure 11 is an overall diagram of a fishway using a conventional cableway. Figure 12 is a schematic diagram showing the downstream side of a fishway using a conventional cableway. The figure is a side sectional view showing a third example of conventional fishway equipment, and FIG. 13 is a plan sectional view of FIG. 12. 20...Dam, 21...Reservoir, 23...Upper fish chamber, 24...Upstream gate, 25...Lower fish chamber,
26...Guidance waterway, 27...Downstream gate, 29...
...branch waterway, 32...bag body.

Claims

[Scope of utility model registration request]

An upper fish chamber is provided with an upper fish chamber opening through an upstream lift gate provided facing a reservoir created by damming a river with an embankment body, and a downstream lift gate provided facing a downstream waterway of the embankment body as an opening. A lower fish chamber is provided for
A tubular guiding waterway is provided to communicate the upper fish chamber and the lower fish chamber, and a bag-shaped expulsion means is provided in the lower fish chamber so as to be able to expand and contract so as to expand and contract the indoor space. Fishway equipment for dams and weirs.