Dam stilling pool tail sill water baffle

Abstract

A dam stilling pool tail sill water baffle comprises supports, supporting plates, a water baffle body, suction cups and a water tank, the bottoms of the supports are connected with the suction cups through stand columns and adsorbed to the working ground, the supporting plates are arranged on the front faces of the supports, the water baffle body is connected between the supporting plates in an inserted mode, sealing rubber strips are connected to the bottoms of the supporting plates in an inserted mode, and a net plate is connected between the bottoms of the supports in an inserted mode. A water tank is arranged on the net plate, and a fence is arranged on the side part of the water tank; according to the device, a modularized installation mode is adopted, a waterflow channel can be effectively closed under the condition that an original concrete structure is not damaged, and compared with an existing water fender installation mode, the installation efficiency and the water retaining effect are both improved.

Description

Technical Field

[0001] The utility model relates to the technical field of maintenance equipment for hydropower stations, in particular to a tail sill water retaining plate for a dam stilling pool. Background Art

[0002] The dam stilling pool is a structure located downstream of the dam. Its main purpose is to gradually dissipate the energy of high-speed water flow during flood discharge or power generation by increasing the flow section, extending the water flow path, changing the water flow pattern, etc., to prevent damage to hydraulic structures due to excessive water flow impact. The tail sill, as a component of the stilling pool, is located at the end of the stilling pool. Its design and construction quality directly affect the energy dissipation effect and overall safety performance of the stilling pool. During the construction of the tail sill of the dam stilling pool, it is often necessary to use a water retaining plate to temporarily close or adjust the water flow channel to achieve precise control of the water level and water flow speed in the construction area, and to ensure construction safety and project quality.

[0003] The existing water retaining plates will damage the original concrete structure during the installation process, and the installation and removal process of the water retaining plates may be time-consuming and labor-intensive, thus affecting the construction efficiency. The fixed installation method makes it difficult to flexibly adjust the position of the water retaining plates and it is difficult to meet the needs of different construction stages. Utility Model Content

[0004] The technical problem to be solved by the utility model is to provide a water retaining plate at the tail sill of a dam stilling pool. The device adopts a modular installation method, which can effectively close the water flow channel without destroying the original concrete structure. Compared with the existing water retaining plate installation method, its installation efficiency and water retaining effect are improved.

[0005] In order to solve the above technical problems, the technical solution adopted by the utility model is:

[0006] A water retaining plate at the tail bank of a dam stilling pool comprises a bracket, a support plate, a water retaining plate, a suction cup and a water tank. The bottom of the bracket is connected to the suction cup through a column and adsorbed on a working ground. A support plate is arranged on the front of the bracket, the water retaining plate is inserted between the support plates, a sealing strip is inserted at the bottom of the support plate, a mesh plate is inserted between the bottoms of the bracket, a water tank is placed on the mesh plate, and a fence is installed on the side of the water tank.

[0007] In a preferred embodiment, the suction cup includes a top plate and a sealing rubber ring, the upper end surface of the top plate is vertically connected to the column, the outer edge of the lower end surface of the top plate is fixedly connected to the sealing rubber ring, and a vacuum adsorption chamber is formed between the sealing rubber ring and the top plate.

[0008] In the preferred solution, the back of the support plate is fixedly connected to the bracket, a slot is opened on the side of the support plate, both sides of the water baffle are plugged into the slot, limiting holes are correspondingly opened on the water baffle and the slot, and the fastening bolts pass through the limiting holes to lock the position of the water baffle.

[0009] In a preferred solution, a first card slot is provided on the inner side surface at the bottom of the bracket, and first card rails are correspondingly provided on both sides of the mesh plate, and the mesh plate is slidably connected to the first card slot via the first card rails.

[0010] In a preferred solution, a second rail is provided on the top surface of the sealing strip, and a second slot is correspondingly provided on the bottom surface of the water retaining plate, and the sealing strip is slidably connected to the second slot via the second rail.

[0011] In a preferred embodiment, the fence includes a connecting rod and a baffle, mounting holes are provided on both sides of the bracket, the connecting rod is connected to the mounting holes and the rotation angle can be locked, and insertion holes are equidistantly provided on the connecting rod, and the baffle is vertically inserted into the insertion holes.

[0012] A water retaining plate at the tail sill of a dam stilling pool, the structure has the following beneficial effects:

[0013] 1. This device adopts a modular installation method. It can be fixed at the water blocking point through the suction cup and the water tank without destroying the original concrete foundation, and can effectively block the water flow to close or adjust the water flow channel, which not only improves the applicability and adjustability of the water retaining plate, but also improves the construction efficiency;

[0014] 2. This device adopts modular assembly method, which makes it easy to replace damaged and aged parts and reduce maintenance costs. When the device is idle, it can be disassembled and stored to reduce space waste. BRIEF DESCRIPTION OF THE DRAWINGS

[0015] The utility model is further described below in conjunction with the accompanying drawings and embodiments:

[0016] Figure 1 It is a schematic diagram of the overall structure of the utility model;

[0017] Figure 2 This is an enlarged schematic diagram of the suction cup structure of the utility model;

[0018] Figure 3 This is an enlarged schematic diagram of the water retaining plate connection structure of the utility model;

[0019] Figure 4 This is an enlarged schematic diagram of the mesh plate connection structure of the utility model;

[0020] Figure 5 This is an enlarged schematic diagram of the sealing strip structure of the utility model;

[0021] Figure 6 It is an enlarged schematic diagram of the fence structure of the utility model.

[0022] In the figure: bracket 1, first slot 101, mounting hole 102, column 2, suction cup 3, top plate 301, sealing rubber ring 302, support plate 4, slot 401, limiting hole 402, fastening bolt 403, water baffle 5, second slot 501, mesh plate 6, first rail 601, sealing rubber strip 7, second rail 701, fence 8, connecting rod 801, baffle 802, jack 803, water tank 9. DETAILED DESCRIPTION

[0023] like Figure 1 As shown, a water retaining plate at the tail bank of a dam energy dissipation pool includes a bracket 1, a support plate 4, a water retaining plate 5, a suction cup 3 and a water tank 9. The bottom of the bracket 1 is connected to the suction cup 3 through a column 2 and adsorbed on the working ground. A support plate 4 is arranged on the front of the bracket 1, and a water retaining plate 5 is inserted between the support plates 4. A sealing strip 7 is inserted at the bottom of the support plates 4. A mesh plate 6 is inserted between the bottoms of the brackets 1, and a water tank 9 is placed on the mesh plate 6. A fence 8 is installed on the side of the water tank 9. When the device is in use, it is adsorbed on a designated working place through the suction cup 3. The water tank 9 is used to provide downward pressure, which increases the adsorption force of the suction cup 3 while also improving the stability of the device. The water retaining plate 5 is usually arranged at an angle of 45° to the ground, which can effectively increase the downward pressure and further improve the stability of the device.

[0024] The preferred solution is Figure 2 As shown, the suction cup 3 includes a top plate 301 and a sealing rubber ring 302. The upper end surface of the top plate 301 is vertically connected to the column 2, and the outer edge of the lower end surface of the top plate 301 is fixedly connected to the sealing rubber ring 302. A vacuum adsorption cavity is formed between the sealing rubber ring 302 and the top plate 301, and is adsorbed at the working location.

[0025] The preferred solution is Figure 3 As shown, the back of the support plate 4 is fixedly connected to the bracket 1, a slot 401 is provided on the side of the support plate 4, both sides of the water baffle plate 5 are plugged into the slot 401, and limiting holes 402 are correspondingly provided on the water baffle plate 5 and the slot 401. The position of the water baffle plate 5 is locked and fixed after the fastening bolt 403 passes through the limiting hole 402; when in use, the water baffle plate 5 is first inserted downward to the bottom of the support plate 4, and then the fastening bolt 403 is passed through the limiting hole 402 and the position of the water baffle plate 5 is locked. The water baffle plate 5 plays a water-blocking effect when in use, and the infiltration amount is required to be no more than 10L / h per square meter.

[0026] The preferred solution is Figure 4 As shown, a first slot 101 is provided on the inner side surface at the bottom of the bracket 1, and first rails 601 are correspondingly provided on both sides of the mesh plate 6. The mesh plate 6 is slidably connected to the first slot 101 through the first rails 601. The mesh plate not only serves to connect the bracket 1, but also provides support for the water tank 9.

[0027] The preferred solution is Figure 5 As shown, a second rail 701 is provided on the top surface of the sealing strip 7, and a second groove 501 is correspondingly provided on the bottom surface of the water baffle 5, and the sealing strip 7 is slidably connected to the second groove 501 through the second rail 701; through the above design, when the sealing strip 7 is aged, it can be quickly disassembled and replaced, which simplifies the maintenance process of the water baffle 5.

[0028] The preferred solution is Figure 6 As shown, the fence 8 includes a connecting rod 801 and a baffle 802, mounting holes 102 are provided on both sides of the bracket 1, the connecting rod 801 is connected with the mounting hole 102 and the rotation angle can be locked, and plug holes 803 are equidistantly provided on the connecting rod 801, and the baffle 802 is vertically inserted into the plug hole 803. By setting the fence 8, the water tank 9 can be effectively prevented from slipping.

Claims

1. A water retaining plate at the tail sill of a dam stilling pool, comprising a bracket (1), a support plate (4), a water retaining plate (5), a suction cup (3) and a water tank (9), characterized in that: The bottom of the bracket (1) is connected to the suction cup (3) through a column (2) and is adsorbed on the working ground. A support plate (4) is arranged on the front of the bracket (1). A water retaining plate (5) is inserted between the support plates (4). A sealing strip (7) is inserted at the bottom of the support plates (4). A mesh plate (6) is inserted between the bottoms of the bracket (1). A water tank (9) is placed on the mesh plate (6). A fence (8) is installed on the side of the water tank (9).

2. The dam stilling pool tail sill water retaining plate according to claim 1, characterized in that: The suction cup (3) comprises a top plate (301) and a sealing rubber ring (302); the upper end surface of the top plate (301) is vertically connected to the column (2); the outer edge of the lower end surface of the top plate (301) is fixedly connected to the sealing rubber ring (302); and a vacuum adsorption cavity is formed between the sealing rubber ring (302) and the top plate (301).

3. The dam stilling pool tail sill water retaining plate according to claim 1, characterized in that: The back of the support plate (4) is fixedly connected to the bracket (1), a slot (401) is provided on the side of the support plate (4), both sides of the water baffle plate (5) are plugged into the slot (401), and limiting holes (402) are correspondingly provided on the water baffle plate (5) and the slot (401), and the fastening bolts (403) are passed through the limiting holes (402) to lock and fix the position of the water baffle plate (5).

4. The dam stilling pool tail sill water retaining plate according to claim 1, characterized in that: A first card slot (101) is provided on the inner side surface at the bottom of the bracket (1), and first card rails (601) are correspondingly provided on both sides of the mesh plate (6), and the mesh plate (6) is slidably connected to the first card slot (101) via the first card rails (601).

5. The dam stilling pool tail sill water retaining plate according to claim 1, characterized in that: The top surface of the sealing strip (7) is provided with a second clamping rail (701), and the bottom surface of the water retaining plate (5) is correspondingly provided with a second clamping groove (501), and the sealing strip (7) is slidably connected to the second clamping groove (501) via the second clamping rail (701).

6. The dam stilling pool tail sill water retaining plate according to claim 1, characterized in that: The fence (8) comprises a connecting rod (801) and a baffle (802). Mounting holes (102) are provided on both sides of the bracket (1). The connecting rod (801) and the mounting holes (102) are connected through and can lock the rotation angle. Plug holes (803) are provided at equal intervals on the connecting rod (801), and the baffle (802) is vertically inserted into the plug holes (803).

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