CN220414165U - Water conservancy water and electricity water inlet arrangement structure - Google Patents

Abstract

The utility model relates to a water conservancy and hydropower facility's field especially relates to a water conservancy and hydropower water inlet arrangement structure, and it includes the water inlet that sets up on the dam body, and the water inlet communicates in diversion tunnel, and water inlet department is provided with the trash rack assembly, and the trash rack assembly includes first trash rack and the second trash rack that sets gradually along the rivers direction; the second trash rack is arranged at the water inlet in a lifting manner, a scraping piece is arranged on the side wall of the water inlet, and when the second trash rack ascends, the scraping piece is attached to the side surface, close to the first trash rack, of the second trash rack; an accommodating cavity is arranged between the water inlet and the diversion tunnel, a collecting assembly is arranged in the accommodating cavity, and the collecting assembly is used for collecting sundries intercepted by the second trash rack. In this application, rivers are through the in-process that gets into diversion tunnel through the water inlet, can intercept and clear up rubbish debris in the rivers, reduce the probability that the water inlet blockked up.

Description

Water conservancy water and electricity water inlet arrangement structure

Technical Field

The utility model relates to the field of water conservancy and hydropower facilities, in particular to a water conservancy and hydropower water inlet arrangement structure.

Background

In the hydraulic and hydroelectric engineering, the water inlet is usually arranged at the bank, the design of the water inlet plays an important role in the running stability and safety of the hydraulic and hydroelectric engineering, and the water inlet at the bank mainly comprises a bank tower type, a gate shaft type and a bank slope type.

The related art discloses a water conservancy and hydropower water inlet arrangement structure, which comprises a water inlet end, wherein an inner cavity of the water inlet end is positioned below the ground of a side slope, the inner cavity is communicated with the outside through a water inlet of the water inlet end, the inner cavity is communicated with a diversion tunnel, and water flow enters the inner cavity through the water inlet and can naturally flow into the diversion tunnel; the interior of the inner cavity is provided with a gravel sedimentation tank and a bell mouth, the bell mouth is close to the diversion tunnel, a trash rack is arranged between the gravel sedimentation tank and the bell mouth, and the trash rack can block sundries from entering the diversion tunnel.

In the related art, the water inlet is intercepted by the dirt blocking gate, and because many natural and artificial garbage exists in the water area around the dam body in the natural environment, the water inlet is blocked by the garbage with larger volume, so that the drainage efficiency is lower.

Disclosure of Invention

In order to intercept and clear up rubbish debris in the rivers, reduce the probability that the water inlet was stopped up, this application provides a water conservancy water and electricity water inlet arrangement structure.

The application provides a water conservancy water and electricity water inlet arrangement structure adopts following technical scheme:

the water conservancy and hydropower water inlet arrangement structure comprises a water inlet arranged on a dam body, wherein the water inlet is communicated with a diversion tunnel, a dirt blocking assembly is arranged at the water inlet, and the dirt blocking assembly comprises a first dirt blocking grid and a second dirt blocking grid which are sequentially arranged along the water flow direction; the second trash rack is installed at the water inlet in a lifting mode, a scraping piece is arranged on the side wall of the water inlet, and when the second trash rack ascends, the scraping piece is attached to the side face, close to the first trash rack, of the second trash rack; the water inlet with be provided with between the diversion tunnel and hold the chamber, hold the intracavity and be provided with the collection subassembly, the collection subassembly is used for collecting the debris of second trash rack interception.

By adopting the technical scheme, the first trash rack is used for intercepting trash with larger volume, such as branches, stones and the like, and the second trash rack is used for intercepting trash passing through the first trash rack, so that the risk of blockage caused by mixing trash with different volumes is reduced; when debris that the second trash rack was intercepted is more, the speed of rivers through the second trash rack diminishes, can upwards promote the second trash rack this moment, and the scraping piece can strike off the debris that the second trash rack was intercepted, and the rubbish debris that the second trash rack was intercepted this moment gets into collection subassembly department to collect through collection subassembly, thereby realize the clearance to rubbish debris, make this water inlet sustainable inflow.

Optionally, the collection subassembly includes collection bars and grid board, the liftable of collection bars is installed hold the intracavity, be provided with the grid board on the collection bars, the grid board is followed be close to the direction of second trash rack upwards inclines to set up.

Through adopting above-mentioned technical scheme, the rubbish debris of being scraped on the second trash rack can get into collection grid department and be intercepted by collection grid again along with rivers, upwards promotes collection grid this moment, can upwards lift rubbish debris to the realization is to the collection clearance of rubbish debris. And when the second trash rack is lifted, the collection grid can intercept garbage, and when the collection grid is lifted, the second trash rack can intercept garbage, so that the risk that garbage enters the diversion tunnel is reduced.

Optionally, a second guiding groove is formed in the dam body, the collecting grid is slidably mounted in the second guiding groove, and the second guiding groove is communicated with the outside.

Through adopting above-mentioned technical scheme, upwards promote collection bars, can pass through the second guide way with collection bars and take out by the holding tank to the manual work is cleared up rubbish debris.

Optionally, the grid plates are arranged at least two at intervals along the vertical direction.

Through adopting above-mentioned technical scheme, a plurality of grid plates can make and collect grid intensity higher, can provide ascending lifting force to rubbish debris at different height, more be favorable to the collection to rubbish debris.

Optionally, the bottom wall of the water inlet extends obliquely downwards towards the bottom wall of the accommodating cavity and forms a guide surface.

By adopting the technical scheme, the guide surface can assist the garbage sundries intercepted by the second trash rack to move towards the collecting rack so as to be collected.

Optionally, the collecting grid is correspondingly provided with a lifting driving assembly, and the lifting driving assembly is used for providing power for lifting of the collecting grid.

By adopting the technical scheme, the automatic lifting of the collecting grid can be realized.

Optionally, the lifting driving assembly comprises a rotating roller and a traction rope, the rotating roller is rotatably installed on the dam body, a first end of the traction rope is wound on the rotating roller, and a second end of the traction rope is connected with the collecting grid.

Through adopting above-mentioned technical scheme, the live-rollers rotates and can receive and release the tractive rope, and the live-rollers can drive the collection bars and rise when pulling the stay rope rolling, and the live-rollers is to the stay rope unreeling, and the collection bars descend under self gravity effect.

Optionally, a limiting groove is formed in the bottom wall of the water inlet, and the second trash rack is embedded in the limiting groove.

The rubbish that the second trash rack intercepted can exert great impact force to the second trash rack under rivers effect, through with the downside embedding spacing inslot of second trash rack, can make second trash rack position more firm.

Drawings

FIG. 1 is a schematic cross-sectional view of a water conservancy and hydropower inlet arrangement according to an embodiment of the application.

Fig. 2 is an overall schematic diagram of a water conservancy and hydropower inlet arrangement structure according to an embodiment of the application.

Fig. 3 is a schematic diagram of a connection structure between the second trash rack and the lifting driving assembly in the embodiment of the application.

Fig. 4 is a schematic structural view of a collection assembly according to an embodiment of the present application.

Reference numerals illustrate:

1. a dam body; 11. diversion tunnel; 12. a receiving chamber; 2. a water inlet; 21. a first guide groove; 22. a limit groove; 23. a second guide groove; 3. a dirt blocking assembly; 31. a first trash rack; 311. a frame; 312. a grid bar; 32. a second trash rack; 4. a collection assembly; 41. a collection grid; 42. a grid plate; 5. a protective cover plate; 6. a lifting driving assembly; 61. a rotating roller; 62. pulling the rope; 63. a power member; 64. a support frame; 7. and a scraper.

Detailed Description

The present application is described in further detail below in conjunction with figures 1-4.

The embodiment of the application discloses water conservancy and hydropower water inlet arrangement structure, refer to fig. 1, this water inlet 2 arrangement structure sets up on dam body 1, and water inlet 2 communicates in diversion tunnel 11, and rivers accessible water inlet 2 get into diversion tunnel 11.

Referring to fig. 1 and 2, the water conservancy and hydropower water inlet arrangement structure comprises a water inlet 2 arranged on a dam body 1, a containing cavity 12 is arranged between the water inlet 2 and a diversion tunnel 11, and water flow enters the containing cavity 12 from the water inlet 2 and then enters the diversion tunnel 11; the water inlet 2 is provided with the trash assembly 3, the accommodating cavity 12 is internally provided with the collecting assembly 4, the trash assembly 3 can intercept trash and sundries in water flow, and the collecting assembly 4 can collect the trash and sundries so as to perform centralized treatment and reduce the blocking probability of the water inlet 2.

Referring to fig. 1 and 2, the trash assembly 3 includes a first trash rack 31 and a second trash rack 32, the first trash rack 31 and the second trash rack 32 being sequentially disposed in a water flow direction; the first trash rack 31 comprises a frame 311 and grid bars 312, the grid bars 312 are uniformly arranged in the frame 311, and water flow can pass through gaps between adjacent grid bars 312; the second trash rack 32 has the same structure as the first trash rack 31, and the gaps between the adjacent bars 312 of the second trash rack 32 are smaller than those between the adjacent bars 312 of the first trash rack 31, so that the first trash rack 31 is used for intercepting trash with larger volume, and the second trash rack 32 is used for intercepting trash with smaller volume.

The water inlet 2 presents an inclined descending trend to the accommodating cavity 12, the top wall of the water inlet 2 and the top wall of the accommodating cavity 12 are continuously inclined downwards, and the bottom wall of the water inlet 2 and the bottom wall of the accommodating cavity 12 are also continuously inclined downwards and extend to the water drinking tunnel so that water flows into the water diversion tunnel 11.

Referring to fig. 1 and 2, the first trash rack 31 is embedded and installed at the water inlet end face of the water inlet 2; the second trash rack 32 is arranged at the water inlet 2 in a lifting manner, and a first guide groove 21 is formed in the top wall of the water inlet 2 upwards; the second trash rack 32 is vertically and slidably arranged in the first guide groove 21, and the second trash rack 32 can be vertically and slidably lifted; the first guide way 21 upwards extends to be communicated with the outside so as to install the second trash rack 32, and the top of the first guide way 21 is provided with the protective cover plate 5, and the protective cover plate 5 accessible bolt fastening is on the dam body 1, and the protective cover plate 5 is used for covering the first guide way 21, reduces the risk that debris gets into the first guide way 21. The limiting groove 22 is formed in the bottom wall of the water inlet 2, the limiting groove 22 is recessed downwards and is matched with the second trash rack 32, and the lower side of the second trash rack 32 can be embedded into the limiting groove 22, so that the position of the second trash rack 32 is limited, and the second trash rack 32 is firmer when being impacted by water flow.

Referring to fig. 1 and 3, in order to enable lifting of the second trash rack 32, a lifting driving assembly 6 is provided in the second guide groove 23, the lifting driving assembly 6 includes a rotating roller 61, a pulling rope 62 and a power member 63, the rotating roller 61 is horizontally provided, an axis of the rotating roller 61 is perpendicular to a water flow direction, and both ends of the rotating roller 61 are rotatably supported on a side wall of the second guide groove 23; the two traction ropes 62 are arranged, the two traction ropes 62 are respectively arranged close to two ends of the movable roller, the first ends of the traction ropes 62 are fixedly connected to the rotating roller 61, the traction ropes 62 are wound on the rotating roller 61, the second ends of the traction ropes 62 extend downwards and are fixedly connected to the upper side face of the second trash rack 32, and the rotating roller 61 rotates to retract and unwind the traction ropes 62, so that the second trash rack 32 is controlled to lift.

In the embodiment, the power piece 63 is set as a motor, the motor is fixedly installed in the second guide groove 23 through a bolt, an output shaft of the motor is connected to the rotating roller 61, and the motor provides rotating power for the rotating roller 61; when the motor controls the rotating roller 61 to wind up, the second trash rack 32 rises, and when the motor controls the rotating roller 61 to rotate and unwind, the second trash rack 32 descends under the action of self gravity.

Referring to fig. 1, a scraping member 7 is formed between a side surface of the first guide groove 21, which is close to the first trash rack 31, and a water inlet end surface of the water inlet 2, a lower side surface of the scraping member 7 is a top surface of the water inlet 2, the lower side surface of the scraping member 7 is obliquely downward arranged along a direction, which is close to the second trash rack 32, and the side surface of the scraping member 7, which is close to the second trash rack 32, is attached to the side surface, which is close to the first trash rack 31, of the second trash rack 32; when the second trash rack 32 rises, the scraping piece 7 can clean the trash on one side of the second trash rack 32, which is close to the first trash rack 31, so that the probability that trash and sundries are attached to the second trash rack 32 is reduced, the collecting assembly 4 is arranged in the accommodating cavity 12, and after the second trash rack 32 rises, the trash and sundries can move to the accommodating cavity 12 along with water flow and then are collected through the collecting assembly 4.

Referring to fig. 1 and 4, the collecting assembly 4 includes a collecting grating 41 and a grating plate 42, the collecting assembly 4 is installed in the accommodating cavity 12 in a liftable manner, and for installing the collecting assembly 4, a second guide groove 23 is formed in a top wall of the accommodating cavity 12, the second guide groove 23 extends upwards to be communicated with the outside, and the collecting grating 41 is installed in the second guide groove 23 in a vertically sliding manner.

The collection grid 41 also comprises a frame 311 and grid bars 312, the spacing between adjacent grid bars 312 of the collection grid 41 being no greater than the spacing between adjacent grid bars 312 of the second trash rack 32; the three grating plates 42 are arranged at intervals in the vertical direction, the lowermost grating plate 42 is arranged on the bottom surface of the collecting grating 41, and the grating plates 42 can be welded and fixed with the collecting grating 41 or integrally formed; the outer contour of the grid plate 42 is rectangular, the grid plate 42 is obliquely upwards arranged along the direction approaching the second trash rack 32, and when the collecting grid 41 descends to the lowest position, the lowest grid plate 42 is attached to the bottom wall of the accommodating cavity 12, so that trash and sundries enter the position above the lowest grid plate 42; when the collecting grating 41 is lifted upwards, the grating plate 42 can provide an upward lifting force for the garbage sundries, so that the garbage sundries are conveyed upwards from the second guide groove 23 to the external environment for cleaning.

Referring to fig. 2 and 4, in order to enable the automatic lifting of the collecting assembly 4, a group of lifting driving assemblies 6 are also arranged on the dam body 1 above the collecting grid 41, the rotating rollers 61 of the lifting driving assemblies 6 are rotatably supported on the dam body 1 above the collecting grid 41 through the supporting frames 64, and the second ends of the two traction ropes 62 of the lifting driving assemblies 6 are fixedly connected to the upper side surface of the collecting grid 41; the power piece 63 corresponding to the rotating roller 61 is also provided as a motor, and the motor is mounted on the supporting frame 64 through bolts; by starting the motor, the collection grid 41 can be lifted and lowered. Furthermore, the height of the dam 1 above the collection grate 41 is higher than the height of the dam 1 above the second trash rack 32 so that the collection grate 41 can be lifted upwards and the trash can be cleaned.

The implementation principle of the water conservancy and hydropower water inlet arrangement structure of the embodiment of the application is as follows: the water flow sequentially passes through the first trash rack 31 and the second trash rack 32 and then enters the diversion tunnel 11 through the accommodating cavity 12, so that the interception of garbage sundries can be realized; when the garbage sundries need to be cleaned, the second trash rack 32 is lifted upwards, the scraping piece 7 can clean the garbage on the second trash rack 32, the garbage intercepted by the second trash rack 32 enters the accommodating cavity 12 and is collected on one side of the collecting rack 41, then the second trash rack 32 is lowered until the lower side of the second trash rack 32 is embedded into the limiting groove 22, and the second trash rack 32 can continuously intercept the garbage; then the corresponding power piece 63 is started to lift the collecting grating 41 upwards, the collecting grating 41 lifts the garbage upwards to the outside, and cleaning staff can clean the garbage and sundries lifted by the collecting grating 41 above the dam body 1 through the second guide groove 23.

In this embodiment, the cleaning and collection of the trash can be performed at regular time, or the water flow speed can be observed, and when the water flow speed is slow, the two power members 63 are started to control the second trash rack 32 or the collection rack 41 to lift, so that the trash can be cleaned.

The foregoing are all preferred embodiments of the present application, and are not intended to limit the scope of the present application in any way, therefore: all equivalent changes in structure, shape and principle of this application should be covered in the protection scope of this application.

Claims (8)

1. The utility model provides a water conservancy water and electricity water inlet arrangement structure, including setting up water inlet (2) on dam body (1), water inlet (2) communicate in diversion tunnel (11), water inlet (2) department is provided with and blocks dirty subassembly (3), its characterized in that: the trash assembly (3) comprises a first trash rack (31) and a second trash rack (32) which are sequentially arranged along the water flow direction; the second trash rack (32) is arranged at the water inlet (2) in a lifting mode, a scraping piece (7) is arranged on the side wall of the water inlet (2), and when the second trash rack (32) ascends, the scraping piece (7) is attached to the side face, close to the first trash rack (31), of the second trash rack (32); the water inlet (2) with be provided with between diversion tunnel (11) and hold chamber (12), hold and be provided with in chamber (12) and collect subassembly (4), collect subassembly (4) are used for collecting debris that second trash rack (32) intercepted.

2. The water conservancy and hydropower inlet arrangement according to claim 1, characterized in that: the collecting assembly (4) comprises a collecting grid (41) and a grid plate (42), the collecting grid (41) is installed in the accommodating cavity (12) in a lifting mode, the grid plate (42) is arranged on the collecting grid (41), and the grid plate (42) is obliquely arranged upwards along the direction close to the second trash rack (32).

3. The water conservancy and hydropower inlet arrangement according to claim 2, characterized in that: the dam body (1) is provided with a second guide groove (23), the collecting grid (41) is slidably mounted in the second guide groove (23), and the second guide groove (23) is communicated with the outside.

4. The water conservancy and hydropower inlet arrangement according to claim 2, characterized in that: at least two grid plates (42) are arranged at intervals along the vertical direction.

5. The water conservancy and hydropower inlet arrangement according to claim 2, characterized in that: the bottom wall of the water inlet (2) extends downwards obliquely towards the bottom wall of the accommodating cavity (12) and forms a guide surface.

6. The water conservancy and hydropower inlet arrangement according to claim 2, characterized in that: the collecting grid (41) is correspondingly provided with a lifting driving assembly (6), and the lifting driving assembly (6) is used for providing power for lifting of the collecting grid (41).

7. The water conservancy and hydropower inlet arrangement according to claim 6, wherein: the lifting driving assembly (6) comprises a rotating roller (61) and a traction rope (62), the rotating roller (61) is rotatably installed on the dam body (1), a first end of the traction rope (62) is wound on the rotating roller (61), and a second end of the traction rope (62) is connected with the collecting grid (41).

8. The water conservancy and hydropower inlet arrangement according to any one of claims 1-7, wherein: a limiting groove (22) is formed in the bottom wall of the water inlet (2), and the second trash rack (32) is embedded in the limiting groove (22).