CN211690187U - A novel manger plate dam for hydraulic and hydroelectric engineering - Google Patents

Abstract

The utility model relates to the technical field of retaining dams, and discloses a novel retaining dam for hydraulic and hydroelectric engineering, which comprises a foundation and a dam body which are positioned in a riverbed, wherein the dam body is provided with a first groove and a second groove; the butt structure includes butt plate and extension spring, has seted up the butt groove on the lateral wall that the first recess was kept away from to the breakwater, and the butt plate holding is in the butt groove, and extension spring fixed connection makes the butt plate wear to locate outside the butt groove between butt plate and butt groove. The utility model has the advantages of it is following and effect: when water flow enters the second groove to enable the water baffle to ascend, the abutting plate is separated from the dam body, the abutting plate penetrates out of the abutting groove under the elastic force action of the extension spring and abuts against the dam body, and therefore the water baffle cannot float downwards after ascending, and the water retaining effect of the water baffle is prevented from being influenced.

Description

A new type of retaining dam for water conservancy and hydropower projects

technical field

The utility model relates to the technical field of water retaining dams, in particular to a novel retaining dam for water conservancy and hydropower projects.

Background technique

Dams are usually used in agricultural irrigation, fisheries, ship locks, sea water tide blocking, urban river landscapes, engineering and hydropower stations. They are the world's leading movable dam technology. Sturdy and reliable, with strong anti-flood impact ability, it overcomes all the shortcomings of the traditional movable dam type and has all the advantages of the traditional dam type.

At present, the patent with the publication number of CN208844494U discloses a water retaining dam for water conservancy and hydropower projects, which relates to the technical field of water retaining dams, and specifically includes a dam body, the front of the dam body is sequentially opened with first grooves from top to bottom and a second groove, the inside of the first groove is provided with a water blocking plate, the bottom of the water blocking plate is fixedly connected with a bottom plate, the middle part of the dam body is provided with a through hole, and the interior of the through hole is provided There is a sluice gate, which is a kind of retaining dam for water conservancy and hydropower projects. Through the setting of the first groove, the second groove, the water retaining plate, the first slideway and the bottom plate, when the water level exceeds the second groove, the water will It flows into the bottom of the first groove, thereby forming water pressure to push the bottom plate to move up, reducing the friction between the bottom plate and the inner wall of the first groove, so that the bottom plate and the water retaining plate can be more smoothly in the process of rising, and the outer surface of the bottom plate can pass through the bottom plate. The waterproof ring is set to effectively avoid the problem of water entering the top of the bottom plate.

The above-mentioned prior art scheme has the following defects: although the above-mentioned water retaining dam achieves the purpose of automatically controlling the lifting of the water retaining plate, saving time and effort, in practical applications, the water retaining plate may still be impacted after rising, thereby causing the water retaining plate to rise. The height of the water retaining plate floats downward, which affects the water retaining effect of the water retaining plate, so it still needs to be further improved.

Utility model content

In view of the deficiencies in the prior art, the purpose of the present invention is to provide a new type of water retaining dam for water conservancy and hydropower projects, so that the water retaining plate will not float downward after rising, so as to avoid affecting the water retaining effect of the water retaining plate.

To achieve the above object, the utility model provides the following technical solutions:

A new type of water retaining dam for water conservancy and hydropower engineering, comprising a foundation and a dam body located in a river bed, a first groove and a second groove are opened on the dam body, a water retaining plate is movably connected in the first groove, and a second groove is provided on the dam body. The side walls of the two grooves are provided with through holes communicating with the first groove, and the water blocking plate is abutted on the upper part of the dam body through an abutting structure; the abutting structure includes an abutting plate and a tension spring, so An abutting groove is formed on the side wall of the water blocking plate away from the first groove, the abutting plate is accommodated in the abutting groove, and the tension spring is fixedly connected between the abutting plate and the abutting groove. The abutting plate is penetrated outside the abutting groove.

By adopting the above technical solution, when the water flow enters the second groove from the first groove and the water retaining plate rises, the abutting plate is released from the dam body, and the abutting plate accommodated in the abutting groove is in the tension spring. Under the action of the elastic force of the dam, an abutment groove is pierced, and the abutment plate is in contact with the upper part of the dam body, so that the water retaining plate will not float downward after rising, so as to avoid affecting the water retaining effect of the water retaining plate.

In a preferred example of the present invention, an inclined surface is formed at the bottom of the abutting plate, and the inclined surface is inclined downward toward the side close to the water blocking plate.

By adopting the above technical solution, the inclined surface at the bottom of the abutting plate can assist the automatic reset process of the abutting plate when the water blocking plate moves downward.

In a preferred example of the present invention, it can be further configured that: the water blocking plate is reset by a reset mechanism.

By adopting the above technical solution, the reset mechanism realizes the downward movement and reset of the water blocking plate.

In a preferred example of the present invention, the reset mechanism can be further configured as follows: the reset mechanism includes a matching block, a reset block and a driving motor, the driving motor is fixed on the dam body, the reset block is located in the dam body, and the matching block It is fixed on the side wall of the water blocking plate and is located on one side of the abutting plate, and a driving shaft is fixed on the driving motor. The driving shaft is rotatably connected to the reset block, and the reset block pushes the matching block to reset.

By adopting the above technical solution, the drive motor on the dam body controls the rotation of the drive shaft, thereby driving the reset block to move up and down, and pushes the matching plate on the water baffle to move downward, thereby realizing the reset of the water baffle.

In a preferred example of the present invention, an extension rod is formed on one side of the reset block extending toward the matching block, and a pressing block is fixed on the bottom of the extending rod, and the pressing block abuts against the matching block.

By adopting the above technical solution, the distance between the reset block and the matching block is extended by the extension rod and the pressing block, so that the lowering and reset of the matching block can be realized without a long drive shaft, and the reset of the matching block is more convenient.

In a preferred example of the present invention, it can be further configured that: the reset block is matched with the drive shaft through a connection structure.

By adopting the above technical solution, the connection structure enables the drive shaft to drive the reset block to rise and fall stably.

In a preferred example of the present invention, it can be further configured as follows: the connecting structure includes a connecting thread and a mating thread, the connecting thread is formed on the side wall of the drive shaft, and the reset block is formed with a connecting thread for the drive shaft to be inserted into. The penetrating hole, the matching thread is formed on the side wall of the penetrating hole and cooperates with the connecting thread.

By adopting the above technical solution, the connecting thread on the side wall of the drive shaft cooperates with the matching thread on the reset block, and when the drive shaft rotates, the reset block moves up and down relative to the drive shaft.

In a preferred example of the present invention, it can be further configured that: the dam body is provided with a lifting groove which cooperates with the reset block, the extension rod and the pressing block and allows the reset block, the extending rod and the pressing block to slide.

By adopting the above technical solution, the lifting groove is matched with the reset block, the extension rod and the pressing block, so that the lifting process of the reset block, the extending rod and the pressing block can be guided.

To sum up, the present utility model includes at least one of the following beneficial technical effects:

1. When the water flow enters the second groove from the first groove and the water retaining plate rises, the abutting plate is released from the dam body, and the abutting plate accommodated in the abutting groove is under the elastic force of the tension spring. An abutment groove is drilled, and the abutment plate is abutted on the upper part of the dam body, so that the water retaining plate will not float downward after rising, so as to avoid affecting the water retaining effect of the water retaining plate;

2. The drive motor on the dam body controls the rotation of the drive shaft, thereby driving the reset block to move up and down, and pushes the matching plate on the water retaining plate to move downward, thereby realizing the reset of the water retaining plate;

3. The distance between the reset block and the matching block is extended by the extension rod and the pressing block, so that the matching block can be lowered and reset without a long drive shaft, which makes the reset of the matching block more convenient.

Description of drawings

Fig. 1 is the structural representation of this embodiment;

2 is a partial cross-sectional schematic diagram of the communication between the first groove and the second groove of the present embodiment;

FIG. 3 is a partial cross-sectional schematic diagram showing the engagement of the abutment plate and the abutment groove of the present embodiment;

FIG. 4 is a schematic partial cross-sectional view of the driving motor and the reset block, and the cooperation between the pressing block and the matching block of the present embodiment.

Reference numerals: 1. foundation; 2. dam body; 21, first groove; 22, second groove; 23, slideway; 24, lifting groove; 3, water retaining plate; 31, abutting groove; 4 , abutting structure; 41, abutting plate; 411, inclined surface; 42, tension spring; 5, reset mechanism; 51, matching block; 52, reset block; 521, extension rod; 522, pressing block; 53, drive Motor; 531, drive shaft; 6, connection structure; 61, connection thread; 62, matching thread; 7, through hole.

Detailed ways

The present utility model will be described in further detail below in conjunction with the accompanying drawings.

1 and 2, it is a new type of water retaining dam for water conservancy and hydropower projects disclosed by the utility model, including a foundation 1 and a dam body 2 located in the riverbed, and the dam body 2 is provided with a first groove 21 and a first groove 21. Two grooves 22, the first groove 21 is movably connected with the water blocking plate 3, and the side wall of the second groove 22 is provided with a through hole 7 that communicates with the first groove 21. When the water flows into the first groove 21 , enter the second groove 22 through the through hole 7, so that the water blocking plate 3 floats upward, and has a better water blocking effect.

As shown in FIGS. 1 and 3 , the water blocking plate 3 is in contact with the upper part of the dam body 2 through the abutting structure 4 ; the abutting structure 4 includes an abutting plate 41 and a tension spring 42 , and the water blocking plate 3 is away from the first groove 21 . The left and right ends of the side wall of the water baffle 3 are provided with abutting grooves 31 , and the abutting grooves 31 on the same end of the side wall of the water blocking plate 3 are arranged at intervals along the vertical direction, and a plurality of abutting plates 41 are accommodated in the corresponding abutting grooves 31 Inside, the tension spring 42 is fixedly connected between the abutment plate 41 and the abutment groove 31 , and under the elastic force of the tension spring 42 , the abutment plate 41 passes through the abutment groove 31 . Then, the abutting plate 41 pierced outside the abutting groove 31 can abut on the dam body 2 .

As shown in FIG. 3 , an inclined surface 411 is formed at the bottom of the end of the contact plate 41 away from the water blocking plate 3 , and the inclined surface 411 is inclined downward toward the side close to the water blocking plate 3 . , the auxiliary abutting plate 41 is accommodated in the corresponding abutting groove 31 .

As shown in FIGS. 3 and 4 , the water blocking plate 3 is driven to reset by the reset mechanism 5 . The reset mechanism 5 includes a matching block 51, a reset block 52 and a driving motor 53. The two driving motors 53 are fixed on the top of the dam body 2, and the matching block 51 is fixed on the left and right sides of the water baffle 3 away from the side wall of the first groove 21. The bottom of the end is located on the side below the abutting plate 41, and the dam body 2 is provided with a slideway 23 for the matching block 51 to slide. When moving in 23, the slideway 23 provides space for the abutment plate 41 to pass through the abutment groove 31, thereby affecting the stable accommodation of the abutment plate 41 in the abutment groove 31; the reset block 52 is located in the dam body 2. And located above the matching block 51 , the bottom of the driving motor 53 is fixed with a driving shaft 531 , the driving shaft 531 is rotatably connected to the reset block 52 , and the reset block 52 pushes the matching block 51 to reset.

As shown in FIG. 4 , the reset block 52 is matched with the drive shaft 531 through the connecting structure 6 . The connecting structure 6 includes a connecting thread 61 and a matching thread 62 . The connecting thread 61 is formed on the side wall of the drive shaft 531 , and the reset block 52 is formed with a The penetrating hole for the drive shaft 531 to be inserted into, a matching thread 62 is formed on the side wall of the penetrating hole and cooperates with the connecting thread 61 , so that the driving shaft 531 can stably drive the lifting and lowering of the reset block 52 .

As shown in FIG. 4 , the bottom of the reset block 52 extends vertically downward to form an extension rod 521 , and the bottom of the extension rod 521 is fixed with a pressure block 522 . The block 522 extends the distance between the reset block 52 and the matching block 51, so that the lowering and reset of the matching block 51 can be realized without a longer drive shaft 531, which makes the reset of the matching block 51 more convenient; The lifting groove 24 in which the block 52, the extension rod 521 and the pressing block 522 cooperate, and the lifting groove 24 communicates with the slideway 23. The lifting process of the extension rod 521 and the pressing block 522 plays a guiding role, preventing the synchronous rotation of the reset block 52 and the driving shaft 531 .

The implementation principle of this embodiment is:

When the water flow pushes the water blocking plate 3 to move upward, the abutting plate 41 penetrates the corresponding abutting groove 31 and abuts the upper part of the dam body 2 to prevent the water blocking plate 3 from floating downward. When the water retaining plate 3 needs to be reset, the drive motor 53 is started to rotate the drive shaft 531, which drives the reset block 52 and the pressure block 522 to move downward. The connecting plate 41 is re-accommodated in the corresponding abutting groove 31 along with the descending of the water blocking plate 3 , so that the water blocking plate 3 can be reset conveniently and quickly.

The embodiments of this specific embodiment are all preferred embodiments of the present invention, and are not intended to limit the protection scope of the present invention, therefore: all equivalent changes made according to the structure, shape and principle of the present invention are It should be covered within the protection scope of the present invention.

Claims (8)

1. A novel water retaining dam for water conservancy and hydropower engineering, comprising a foundation (1) and a dam body (2) located in a river bed, and a first groove (21) and a second groove are provided on the dam body (2) (22), a water blocking plate (3) is movably connected in the first groove (21), and a through hole (7) communicating with the first groove (21) is opened on the side wall of the second groove (22) , characterized in that: the water blocking plate (3) is in contact with the upper part of the dam body (2) through an abutment structure (4); the abutment structure (4) comprises an abutment plate (41) and a tension spring ( 42), an abutment groove (31) is formed on the side wall of the water blocking plate (3) away from the first groove (21), and the abutment plate (41) is accommodated in the abutment groove (31) ), the tension spring (42) is fixedly connected between the abutment plate (41) and the abutment groove (31), so that the abutment plate (41) passes through the abutment groove (31). 2. A new type of water retaining dam for water conservancy and hydropower engineering according to claim 1, characterized in that: an inclined surface (411) is formed at the bottom of the abutment plate (41), and the inclined surface (411) Tilt down towards the side close to the flap (3). 3. A novel water retaining dam for water conservancy and hydropower engineering according to claim 1, characterized in that: the water retaining plate (3) is reset by a reset mechanism (5). 4. A new type of water retaining dam for water conservancy and hydropower engineering according to claim 3, characterized in that: the reset mechanism (5) comprises a matching block (51), a reset block (52) and a drive motor (53) , the drive motor (53) is fixed on the dam body (2), the reset block (52) is located in the dam body (2), and the matching block (51) is fixed on the dam body (3) On the side wall and on the side of the abutting plate (41), a drive shaft (531) is fixed on the drive motor (53), the drive shaft (531) is rotatably connected to the reset block (52), and the reset block (52) Push the fitting block (51) to reset. 5. A new type of retaining dam for water conservancy and hydropower engineering according to claim 4, characterized in that: one side of the reset block (52) is extended toward the matching block (51) to form an extension rod (521), And a pressing block (522) is fixed on the bottom of the extension rod (521), and the pressing block (522) abuts against the matching block (51). 6. A new type of water retaining dam for water conservancy and hydropower engineering according to claim 4, characterized in that: the reset block (52) cooperates with the drive shaft (531) through the connection structure (6). 7. A novel water retaining dam for water conservancy and hydropower engineering according to claim 6, characterized in that: the connecting structure (6) comprises a connecting thread (61) and a matching thread (62), and the connecting thread ( 61) is formed on the side wall of the drive shaft (531), the reset block (52) is formed with a penetration hole for the drive shaft (531) to be inserted into, and the mating thread (62) is formed in the penetration hole. on the side wall and cooperate with the connecting thread (61). 8. A new type of retaining dam for water conservancy and hydropower engineering according to claim 5, characterized in that: the dam body (2) is provided with a reset block (52), an extension rod (521) and a pressing block (522) a matching lifting groove (24), and the reset block (52), the extension rod (521) and the pressing block (522) slide in the lifting groove (24).

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