SU1740539A1 - Fish hoist - Google Patents

Abstract

Use: transfer of fish from the downstream of the waterworks to the upstream. SUMMARY OF THE INVENTION: The fish attracted to the fish storage channel 1 by the net cloth 6 of the motive device is transferred to the working chamber. The blades 11, mounted on a vertical axis 10, are turned, transferring the fish to a container 14 located in one of the bottom niches. and transfer it to the headwater where fish are released. 4 il.

Description

The invention relates to hydraulic engineering, in particular to fish passages (fish passages, fish lifters), and is intended to transfer fish to the headwater of a waterworks facility.

The purpose of the invention is to expand the scope of

FIG. 1 depicts a fish elevator. view from above; in fig. 2 shows a section A -A in FIG. 1: in FIG. 3 shows a section BB in FIG. 1. In FIG. 4 shows a section B-B in FIG. one.

The fish elevator includes a fish storage channel 1. located on the side of the downstream, bypass galleries 2 power units made inside the side walls of the fish collecting channel. Galleries 2 are connected to the upper pool and to the inner space of channel 1 by means of outlet holes 3 equipped with a guard grid 4 with gates (not shown) The inlets of the galleries 2 on the side of the headwater have valves (not shown). The fish elevator has an incentive device 5 with a mesh blade 6, made in a plan along a circular arc. The motive device 5 is mounted on the guides 7 so that it can move along channel 1. The working chamber 8 is equipped with a rotating bolt 9, made in the form of a vertical axis 10 with plates 11 attached to it. In the upper part, the axis 10 connectors with a driving mechanism 12. Working chamber 8 is equipped with an ichthyological platform 13 in the form of a sector located on the side of the downstream. At the same time, the platform 13 is buried below the mark of the lower edges of the plates 11 and is associated with vertical drive drives (not shown). To transfer the fish to the upper reach, the working chamber 8 is provided with containers 14 located in additional bottom niches 15 formed at the side walls of the channel 1, and they are connected with a drive for lifting them (not shown). The edges of the top of the containers 14 are buried below the mark of the lower edges of the plates 11 to ensure the free rotation of the plates 11 on the axis 10.

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Fish lifter works as follows.

The fish-attracting flow is fed to the fish storage channel 1 by opening the valves (not shown) of the outlets 3, provided with fenders 4. The valves of the holes 3. located at the entrance to the channel 1 are less open than the valves of the holes 3 located at the working chamber 8. Consumption The water into the bypass galleries 2 comes from the headwater and is regulated by valves (not shown) located in the inlet galleries on the side of the headwater.

At the end of the fish attraction operation, the gates (not shown) of the outlet openings 3. are located at the entrance to channel 1, and the gates (not shown) of the outlet openings 3. are located in the vicinity of the working chamber 8 in order to ensure an average speed the flow in channel 1 is not more than 0.2–0.3 m / s to maintain the orientation of the fish in the water flow. At the same time, the netting cloth 6 is lowered and the motive device 5 in the direction of 7 begins its movement towards the working chamber 8. thereby transferring the accumulated fish After passing through the alignment of holes 3 at the entrance of channel 1, the gates open, supplying the necessary water flow to attracting fish, thereby ensuring the continuity of attracting fish to the entrance to channel 1. The same operation is repeated after passing through the alignment of the openings 3 located at the working chamber 8. At the same time, the ratio of the opening gates of the openings 3 under This is done in such a way as to ensure optimal hydraulic conditions for the accumulation of fish in the fish storage channel t. The booster device 5 reaches the location of the ichthyological site.

13 where it stops. The fish is in the space of the working chamber 8, formed by the adjacent blades 11 of the shutter 9 and the curved mesh screen 6. The fish are inspected and counted by raising the ichthyological site 13 by means of a drive (not shown), then it is lowered to its original position. To transfer the fish to the upper reach, the shutter 9 is rotated around the axis 10 clockwise or counterclockwise, depending on which of the containers 14 is in the bottom niches 15. Turning the shutter 9 performs with the drive mechanism 12. When the shutter 9 is turned, the fish is translated uh container

14lots mi 11 along with the volume of water. Next, the container 14 is removed from the bottom

niches 15 by means of a drive (not shown) and transferred to the headwater of the waterworks. In the upper pool, operations are carried out to release fish from container 14 or the fish are preliminarily adapted in it to the conditions of the upstream. The container 14 is then returned back to the bottom niche 15.

The proposed fish elevator allows to increase the number of work cycles for transferring fish due to the presence of two containers 14. Moreover, when transferring fish with a second container, the first one gets the opportunity to stay in the upper reach for a longer time, providing optimal conditions for holding, adapting and releasing the fish in the upstream of the hydroelectric complex.

In addition, the proposed fish elevator can be used in the composition of medium-pressure and high-pressure hydraulic systems, which expands its use.

Claims (1)

Invention Formula A fish elevator that includes a fish storage channel located on the downstream side, a power unit made in the form of bypass galleries located in the side walls of the fish storage channel and connecting the upstream fish with the channel inner space, an incentive device with a mesh sheet made in the plan along the arc circumference and installed across the fish storage channel with the ability to move along it, a working chamber, a rotary shutter located in the working chamber and made in the form of plates, Restoratively fixed on the vertical axis, and ichthyological site located on the side of the lower pool between adjacent plates of the butterfly valve in the bottom niche and recessed below the marks of the lower edges of the plates, while the inlets of the bypass galleries from the upper pool have gates, and their outlets are fencing lattices and closures, characterized in that, in order to expand the scope of application, it is equipped with containers, and the fish storage channel is made with additional bottom niches, Located in the working chamber at the side walls of the accumulation channel on both sides of its longitudinal axis. moreover, the containers are made in the plan in the form of a sector with an arc of a circle formed by the outer edges of the plates during rotation of the rotating mash placed in additional bottom niches, and their upper edges are located below the marks of the lower edges of the plates, 1740539 5G // f i  c I In fJ P FIG. g jf5 i x /five J 6-6 i x /five / V in-in Rig 4