CN210887152U

CN210887152U - Fish device of crossing of water conservancy water and electricity dam

Info

Publication number: CN210887152U
Application number: CN201921499383.6U
Authority: CN
Inventors: 马慧晨; 党晓凤
Original assignee: Taiyuan University of Technology
Current assignee: Taiyuan University of Technology
Priority date: 2019-09-10
Filing date: 2019-09-10
Publication date: 2020-06-30
Anticipated expiration: 2029-09-10

Abstract

A fish passing device of a water conservancy and hydropower dam comprises a dam body, wherein a fishway is arranged on the right side of the dam body, a longitudinal first rotating shaft is arranged on the upper portion and the lower portion of the right side of the dam body in a bearing mode, the first rotating shaft is located in the fishway, longitudinal chain wheels are fixedly sleeved on the periphery of the first rotating shaft respectively, the two chain wheels are connected through a keel chain, the front side and the rear side of a fish collecting box are connected with corresponding vertical rods through longitudinal third rotating shaft bearings respectively, an inverted L-shaped shifting rod inclining towards the left side of the dam body is arranged on the upper portion of the left side of the dam body, and the top end of the shifting rod can be in contact fit with the vertical portion of the right side of the fish collecting box. Meanwhile, the growth and the propagation of fish shoal can be ensured, and the practicability is high.

Description

Fish device of crossing of water conservancy water and electricity dam

Technical Field

The utility model belongs to cross fish equipment field, specifically speaking are water conservancy water and electricity dam's fish device of crossing.

Background

A dam for hydraulic and hydroelectric engineering is a water retaining structure which intercepts river channel water flow to raise water level or regulate flow, forms a reservoir, raises water level, regulates runoff and concentrates a water head upstream, and can play roles in flood control, water supply, irrigation, power generation, shipping improvement and the like; however, the building of large dams of hydraulic and hydroelectric engineering has a great influence on migration and propagation of fish schools in rivers, so that the conventional large dams of hydraulic and hydroelectric engineering build chenille fish lanes on one side of the dam, the chenille fish lanes are formed by slowing down the dam and enabling the fish schools to migrate and propagate in a step mode, but river water still flows down from the upstream on the fish lanes, so that the resistance of the fish school migration is great, and meanwhile, the physical strength of fishes is limited, so that many fishes are difficult to successfully migrate.

SUMMERY OF THE UTILITY MODEL

The utility model provides a fish device of crossing of water conservancy water and electricity dam for solve the defect among the prior art.

The utility model discloses a following technical scheme realizes:

the utility model provides a fish device of crossing of water conservancy water and electricity dam, including the dam body, the fishway is seted up on the dam body right side, the upper portion of dam body and the first pivot of the equal bearing installation longitudinal of right side lower part, first pivot all is located the fishway, the fore-and-aft sprocket of suit is fixed respectively to the periphery of first pivot, connect through keel chain between the two sprockets, keel chain outside fixed mounting array is respectively with its vertically pole setting, every group pole setting includes two pole settings that are located both sides around the keel chain and are parallel to each other, be equipped with the collection fish box of the ascending U type of opening between every group pole setting, the bottom of collection fish box is sealed, the height that highly is greater than right side vertical part of collection fish box left side vertical part, be connected through fore-and-aft third pivot bearing respectively between the front and back both sides of collection fish box and the pole setting that corresponds, the left side upper portion of dam body is equipped with the driving lever of the inverted L type to the slope of dam.

According to the fish passing device of the water conservancy and hydropower dam, the first rotating shaft on the upper side is driven by the motor.

According to the fish passing device of the water conservancy and hydropower dam, the trapper is fixedly installed in the fish collecting box.

According to the fish passing device of the water conservancy and hydropower dam, the upper portion of the deflector rod is in an arc shape with a downward concave surface.

According to the fish passing device of the water conservancy and hydropower dam, the rubber cushion layer is fixedly installed inside the fish collection box.

The utility model has the advantages that: before the utility model is used, the right side of the dam body is provided with the fishway, the upper end of the fishway is lower than the left water level of the dam body, the keel chain is positioned in the fishway, when in use, as shown in the figure, because the left water level of the dam body is higher than the right water level of the dam body, water always flows downwards from the upper part of the dam body in the fishway, and in the process of flowing downwards, because the height difference of the right side of the dam body is large, the water pushes the fish collecting box and the keel chain to move downwards along with the water flow, and meanwhile, the fish group in the downstream collects in the fish collecting box, along with the movement of the keel chain, the fish collecting box in the downstream moves from one side of the keel chain far away from the dam body to the upper part of the dam body, and because the front side and the back of the fish collecting box are respectively connected with the corresponding vertical shaft bearings through the longitudinal third rotating shafts, the fish collecting box keeps a vertical, when the downstream fish collection box is positioned at the upper part of the dam body and is in contact with the deflector rod, the fish collection box is overturned along the corresponding third rotating shaft due to the blocking of the upper part of the deflector rod, so that water and fish schools in the fish collection box are poured, the fish collection box always moves along with the fishbone chain, and after the fish schools are poured, the fish collection box is restored to the original vertical state, so that the next round of fish passing operation is performed; the utility model relates to a rationally, adopt the design principle of traditional fishbone waterwheel, utilize the water head of dam body both sides, the rivers function as power promotion whole device, and effectual natural resources that utilizes can realize simultaneously conveying the shoal of fish in low reaches upstream, both accorded with the green development theory that the environment is friendly, can also ensure the growth and the reproduction of shoal of fish simultaneously, and the practicality is strong.

Drawings

In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings needed to be used in the description of the embodiments or the prior art will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present invention, and for those skilled in the art, other drawings can be obtained according to these drawings without inventive labor.

Fig. 1 is a schematic structural diagram of the present invention; fig. 2 is an enlarged view of the view from the direction a of fig. 1.

Detailed Description

In order to make the objects, technical solutions and advantages of the embodiments of the present invention clearer, the embodiments of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are some, but not all, embodiments of the present invention. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative efforts belong to the protection scope of the present invention.

A fish passing device of a water conservancy and hydropower dam comprises a dam body 1, a fishway is arranged on the right side of the dam body 1, longitudinal first rotating shafts 2 are mounted on the upper portion and the lower portion of the right side of the dam body 1 in a bearing mode, the first rotating shafts 2 are located in the fishway, longitudinal chain wheels 3 are fixedly sleeved on the periphery of the first rotating shafts 2 respectively, the two chain wheels 3 are connected through keel chains 4, a plurality of groups of vertical rods 5 perpendicular to the keel chains 4 are fixedly mounted on the outer sides of the keel chains 4 respectively, each group of vertical rods 5 comprises two vertical rods 5 which are located on the front side and the rear side of each keel chain 4 and are parallel to each other, a U-shaped fish collecting box 6 with an upward opening is arranged between each group of vertical rods 5, the bottom of each fish collecting box 6 is sealed, the height of the vertical part on the left side of each fish collecting box 6 is larger than the height of the vertical part on the right side, the front side and the rear side of each fish collecting box 6 are connected with the corresponding vertical rods, the top end of the deflector rod 8 can be contacted and matched with the right vertical part of the fish collection box 6. Before the utility model is used, the right side of the dam body 1 is provided with the fishway, the upper end of the fishway is lower than the left water level of the dam body 1, the keel chain 4 is positioned in the fishway, when in use, as shown in figure 1, because the left water level of the dam body 1 is higher than the right water level of the dam body, water always flows downwards from the upper part of the dam body 1 in the fishway, and in the process of flowing downwards, because the height difference of the right side of the dam body 1 is large, the water pushes the fish collection box 6 and the keel chain 4 to move downwards along the water flow, and meanwhile, the migration fish school is gathered in the downstream fish collection box 6, along with the movement of the keel chain 4, the downstream fish collection box 6 moves from one side of the keel chain 4, which is far away from the dam body 1, to the upper part of the dam body 1, and because the front side and the rear side of the fish collection box 6 are respectively connected with the corresponding upright poles 5 through the longitudinal third rotating shaft 7 bearings, the fish collection box 6 keeps in, when the downstream fish collection box 6 is positioned at the upper part of the dam body 1 and is in contact with the deflector rod 8, the fish collection box 6 is turned over along the corresponding third rotating shaft 7 due to the blocking of the upper part of the deflector rod 8, so that water and fish swarms in the fish collection box 6 are dumped, meanwhile, the fish collection box 6 always moves along with the fishbone chain 4, and after the fish swarms are dumped, the fish collection box 6 is restored to the original vertical state, so that the next round of fish passing operation is performed; the utility model relates to a rationally, adopt the design principle of traditional fishbone waterwheel, utilize the water head of 1 both sides of dam body, rivers function as the whole device of power promotion, and effectual natural resources that utilizes can realize simultaneously conveying the shoal of fish in low reaches upstream, both accorded with the green development theory that the environment is friendly, can also ensure the growth and the reproduction of shoal of fish simultaneously, and the practicality is strong.

Specifically, as shown in fig. 1, the first rotating shaft 2 on the upper side of the present embodiment is driven by a motor. In the use, in order to ensure that the whole device keeps running in the use process, a user can start the motor, the rotation of the output shaft of the motor drives the first rotating shaft 2 to rotate, and therefore the fish collecting box 6 continuously conveys the migratory fish upstream from the downstream of the dam body 1.

Specifically, as shown in fig. 1, a trap 9 is fixedly installed in the fish collection box 6 according to the present embodiment. The trapper 9 can effectively induce the fish shoal to gather in the fish collecting box 6, thereby effectively ensuring the fish shoal.

Further, as shown in fig. 1, the upper portion of the shift lever 8 of the present embodiment is in an arc shape with a concave surface facing downward. In the use process, the convex surface of the deflector rod 8 is in contact with the fish collection box 6, so that the fish collection box 6 is smoother and smoother when turning downwards.

Further, in order to ensure the activity of the fish, a rubber cushion is fixedly installed inside the fish collection box 6. In the use, the leakproofness in the fish collection case 6 can effectually be ensured to the rubber cushion, and the seepage can not take place for the water in the fish collection case 6 to ensure the activity of shoal of fish, rubber cushion texture is soft simultaneously, can effectually ensure that the inner wall of shoal of fish device fish collection case 6 is injured moving the in-process.

Finally, it should be noted that: the above embodiments are only used to illustrate the technical solution of the present invention, and not to limit it; although the present invention has been described in detail with reference to the foregoing embodiments, it should be understood by those skilled in the art that: the technical solutions described in the foregoing embodiments may still be modified, or some technical features may be equivalently replaced; such modifications and substitutions do not depart from the spirit and scope of the present invention in its corresponding aspects.

Claims

1. The utility model provides a fish device of crossing of water conservancy water and electricity dam which characterized in that: comprises a dam body (1), a fishway is arranged on the right side of the dam body (1), longitudinal first rotating shafts (2) are respectively arranged on the upper portion and the lower portion of the right side of the dam body (1) in a bearing mode, the first rotating shafts (2) are located in the fishway, longitudinal chain wheels (3) are respectively fixedly sleeved on the periphery of the first rotating shafts (2), the two chain wheels (3) are connected through keel chains (4), multiple groups of vertical rods (5) perpendicular to the keel chains (4) are fixedly arranged on the outer sides of the keel chains (4), each group of vertical rods (5) comprises two vertical rods (5) which are located on the front side and the rear side of each keel chain (4) and are parallel to each other, a U-shaped fish collecting box (6) with an upward opening is arranged between each group of vertical rods (5), the bottom of each fish collecting box (6) is sealed, the height of the vertical part on the left side of each fish collecting box (6) is larger than the height of the vertical part on the right side, the front, the upper part of the left side of the dam body (1) is provided with an inverted L-shaped deflector rod (8) which inclines towards the left side of the dam body (1), and the top end of the deflector rod (8) can be in contact fit with the vertical part of the right side of the fish collecting box (6).

2. A fish passing device for a water conservancy and hydropower dam as claimed in claim 1, wherein: the first rotating shaft (2) on the upper side is driven by a motor.

3. A fish passing device for a water conservancy and hydropower dam as claimed in claim 1, wherein: a trap (9) is fixedly arranged in the fish collecting box (6).

4. A fish passing apparatus for a water conservancy and hydropower dam as claimed in claim 1, 2 or 3, wherein: the upper part of the deflector rod (8) is in an arc shape with a downward concave surface.

5. A fish passing apparatus for a water conservancy and hydropower dam as claimed in claim 1, 2 or 3, wherein: the inside of the fish collection box (6) is fixedly provided with a rubber cushion layer.