A facility for improving flood control and disaster prevention capability of a diversion-type hydropower station

By designing a facility that includes an underwater support plate, a floating collection mechanism, and a quick installation mechanism, the problems of long cleaning time and low efficiency of the flood discharge tunnel's screen for removing impurities were solved, improving cleaning efficiency and safety, and ensuring the drainage efficiency and structural stability of the flood discharge tunnel.

CN224549064UActive Publication Date: 2026-07-24JINHUA WATER RESOURCES & HYDROPOWER SURVEY & DESIGN INST CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
JINHUA WATER RESOURCES & HYDROPOWER SURVEY & DESIGN INST CO LTD
Filing Date
2025-09-05
Publication Date
2026-07-24

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Abstract

The utility model discloses a facility that promotes flood control and disaster prevention ability of diversion type hydropower station belongs to disaster prevention technical field, and its technical scheme main points include flood discharge tunnel, the outside fixed connection of flood discharge tunnel has underwater bearing plate, the top fixed connection of underwater bearing plate has grating, the outside swing joint of underwater bearing plate has floating type collection mechanism, the outside swing joint of floating type collection mechanism has quick installation mechanism, can through underwater bearing plate, linkage plate, collection bucket etc., realizes automatic collection and processing to water surface sundries, and the collection bucket goes up and down and moves and collects impurity, and the sieve plate separates smaller impurity, and the puncture head decomposes larger impurity, can solve the problem of traditional sewage, reduces the workload of sewage, makes sewage work from comprehensive cleaning grating changes for only collection collection bucket and part of the untreated impurity, simultaneously, shortens the residence time of sewage ship outside flood discharge tunnel, reduces the safety risk of flood discharge tunnel suction.
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Description

Technical Field

[0001] This utility model relates to the field of disaster prevention and control technology, and in particular to a facility for improving the flood control and geological disaster prevention capabilities of water diversion hydropower stations. Background Technology

[0002] In the operation of diversion-type hydropower stations, flood control and geological disaster prevention capabilities are crucial. Traditional flood control facilities are constrained by factors such as topography and flow changes, making it difficult to cope with the impact of floods caused by extreme weather and the potential geological disasters they may trigger. For example, during heavy rainfall, the river water level rises rapidly. If floodwater cannot be discharged in a timely and effective manner, it may destroy the hydropower station's facilities and may also trigger geological disasters such as landslides. To solve these problems, spillway tunnels have emerged. As an efficient flood discharge channel, it can quickly and safely discharge excess water from the hydropower station when floods occur, thereby lowering the reservoir water level, reducing the pressure of floods on the dam and surrounding facilities, greatly improving the flood control and geological disaster prevention capabilities of diversion-type hydropower stations, and ensuring the safe and stable operation of the hydropower station.

[0003] In existing technologies, grates are usually installed on the outside of the spillway to block impurities, so as to avoid affecting drainage efficiency and damaging the internal structure of the spillway. However, the impurities on the grates usually need to be cleaned manually by a cleaning boat for a long time, which results in the cleaning boat staying for a long time. This is not only inefficient, but in special circumstances, the spillway may generate suction that guides the boat downwards, which poses a great safety risk.

[0004] Therefore, a facility to enhance the flood control and geological disaster prevention capabilities of diversion-type hydropower stations is proposed. Utility Model Content

[0005] The purpose of this utility model is to provide a facility that enhances the flood control and geological disaster prevention capabilities of diversion-type hydropower stations, and can solve the problem of long cleaning time and low efficiency of the existing method of cleaning impurities from the outer grid of the spillway.

[0006] To achieve the above objectives, this utility model provides the following technical solution: a facility for improving the flood control and geological disaster prevention capabilities of a water diversion hydropower station, including a spillway tunnel, an underwater bearing plate fixedly connected to the outside of the spillway tunnel, a grid fixedly connected to the top of the underwater bearing plate, a floating collection mechanism movably connected to the outside of the underwater bearing plate, and a quick-installation mechanism movably connected to the outside of the floating collection mechanism.

[0007] The floating collection mechanism includes a sliding support rail, a waterproof electric telescopic rod, a connecting plate, a collection bucket, and a puncture collection assembly. The sliding support rail is fixedly connected to the bottom of the underwater support plate, the connecting plate is slidably connected to the inner side of the sliding support rail, the waterproof electric telescopic rod is fixedly connected to the bottom of the connecting plate, the waterproof electric telescopic rod is fixedly connected to the inner side of the sliding support rail, the collection bucket is movably connected to the inner side of the connecting plate, and the puncture collection assembly is movably connected to the inner side of the collection bucket.

[0008] Preferably, the quick-installation mechanism includes an installation box, a clamping plate, a sliding support block, an arc-shaped guide gear, and a drive gear.

[0009] Preferably, the mounting box is fixedly connected to the bottom of the connecting plate, the clamping plate is slidably connected to the inside of the mounting box, and the collection bucket is movably connected to the inside of the mounting box.

[0010] Preferably, the sliding support block is fixedly connected to the bottom of the clamping plate, the arc-shaped guide toothed disc is movably connected to the outside of the sliding support block, the drive gear is meshed with the outside of the arc-shaped guide toothed disc, and the drive gear is movably connected to the bottom of the connecting plate.

[0011] Preferably, the puncture collection assembly includes a puncture head, a sieve plate, a telescopic support, a compression spring, and a drainage hole.

[0012] Preferably, the telescopic support is fixedly connected to the bottom of the inner side of the collection bucket, the compression spring is fixedly connected to the inner side of the telescopic support, the sieve plate is fixedly connected to the top of the telescopic support, the piercing head is fixedly connected to the top of the sieve plate, and the drainage hole is opened at the bottom of the collection bucket.

[0013] Preferably, a buffer clamping pad is fixedly connected to the outer side of the clamping plate.

[0014] Preferably, the outer side of the waterproof electric telescopic rod is movably connected with a rubber sealing sleeve.

[0015] Compared with the prior art, the beneficial effects of this utility model are:

[0016] 1. This application, by setting up a floating collection mechanism, can automatically collect and process debris on the water surface through underwater support plates, linkage plates, collection buckets, etc. The collection buckets move up and down to collect impurities, the screening plates separate smaller impurities, and the piercing heads decompose larger impurities. This can effectively solve the problems of traditional cleaning, reduce the workload of manual cleaning boats, and change the cleaning work from cleaning the entire screen to collecting only the impurities in the collection buckets and some untreated impurities. At the same time, it shortens the time that the cleaning boat stays outside the spillway, greatly reduces the safety risks caused by the suction of the spillway, improves the cleaning efficiency and safety, and ensures the drainage efficiency and internal structure stability of the spillway.

[0017] 2. This application features a quick installation mechanism. For installation, the collection bucket is placed in the hole, and the drive motor drives the drive gear, which meshes with the arc-shaped guide gear plate. This, in turn, causes the sliding support block to slide along the guide groove, allowing the clamping plate to move quickly inward and clamp the collection bucket in place. This significantly shortens the installation time of the collection bucket and improves equipment assembly efficiency. For recycling, the clamping plate can be quickly released and the collection bucket removed by reversing the operation, saving manpower and time costs and making equipment maintenance and cleaning more efficient and convenient. Attached Figure Description

[0018] Figure 1 This is an overall structural diagram of the facility for improving the flood control and geological disaster prevention capabilities of a water diversion hydropower station according to this utility model;

[0019] Figure 2 This is a partial structural diagram of the facility for improving the flood control and geological disaster prevention capabilities of a water diversion hydropower station according to this utility model;

[0020] Figure 3 This is an overall structural diagram of the floating collection mechanism of this utility model;

[0021] Figure 4 This is an overall structural diagram of the puncture collection assembly of this utility model;

[0022] Figure 5 This is an overall structural diagram of the quick-installation mechanism of this utility model.

[0023] In the diagram, 1. Flood discharge tunnel; 2. Underwater support plate; 3. Grating; 4. Floating collection mechanism; 41. Sliding support rail; 42. Waterproof electric telescopic rod; 43. Link plate; 44. Collection bucket; 45. Piercing collection assembly; 45a. Piercing head; 45b. Screening plate; 45c. Telescopic support column; 45d. Compression spring; 45e. Leakage hole; 5. Quick installation mechanism; 51. Mounting box; 52. Clamping plate; 53. Sliding support block; 54. Arc-shaped guide gear; 55. Drive gear; 6. Buffer clamping pad; 7. Rubber sealing sleeve. Detailed Implementation

[0024] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0025] Please see Figure 1-5 The present invention provides the following technical solution:

[0026] A facility for enhancing the flood control and geological disaster prevention capabilities of a water diversion hydropower station includes a spillway 1, an underwater bearing plate 2 fixedly connected to the outside of the spillway 1, a grid 3 fixedly connected to the top of the underwater bearing plate 2, a floating collection mechanism 4 movably connected to the outside of the underwater bearing plate 2, and a quick-installation mechanism 5 movably connected to the outside of the floating collection mechanism 4.

[0027] The floating collection mechanism 4 includes a sliding support rail 41, a waterproof electric telescopic rod 42, a connecting plate 43, a collection bucket 44, and a puncture collection assembly 45. The sliding support rail 41 is fixedly connected to the bottom of the underwater support plate 2. The connecting plate 43 is slidably connected to the inner side of the sliding support rail 41. The waterproof electric telescopic rod 42 is fixedly connected to the bottom of the connecting plate 43 and to the inner side of the sliding support rail 41. The collection bucket 44 is movably connected to the inner side of the connecting plate 43, and the puncture collection assembly 45 is movably connected to the inner side of the collection bucket 44.

[0028] In this embodiment: the flood discharge tunnel 1 is used for flood control and geological disaster prevention. The flood discharge tunnel 1 is set at the height of the horizontal warning line. When the water level rises above the warning line, it can quickly absorb the accumulated water and discharge it to the downstream through the bottom valve. In the support area outside the flood discharge tunnel 1, there is an underwater bearing plate 2. The underwater bearing plate 2 is a certain distance away from the warning horizontal line. The outer side of the underwater bearing plate 2 is equipped with a grid 3 to block debris such as tree branches and floating stones. The sliding support rail 41 can support the waterproof electric telescopic rod 42 to drive the linkage plate 43 and the collection bucket 44 it carries to perform reciprocating motion of water intake and output. The impurities on the water surface are collected and stored through the structure inside the collection bucket 44, so as to achieve the effect of treating the impurities around the grid 3.

[0029] Specifically, such as Figure 1 , Figure 2 , Figure 5 As shown, the quick installation mechanism 5 includes an installation box 51, a clamping plate 52, a sliding support block 53, an arc-shaped guide gear 54, and a drive gear 55.

[0030] Specifically, such as Figure 1 , Figure 2 , Figure 5 As shown, the mounting box 51 is fixedly connected to the bottom of the connecting plate 43, the clamping plate 52 is slidably connected to the inside of the mounting box 51, and the collection bucket 44 is movably connected to the inside of the mounting box 51.

[0031] Specifically, such as Figure 1 , Figure 2 , Figure 5 As shown, the sliding support block 53 is fixedly connected to the bottom of the clamping plate 52, the arc-shaped guide toothed disc 54 is movably connected to the outside of the sliding support block 53, the drive gear 55 is meshed with the outside of the arc-shaped guide toothed disc 54, and the drive gear 55 is movably connected to the bottom of the connecting plate 43.

[0032] In this embodiment: after placing the collection bucket 44 in the hole, push it to the center of the mounting box 51. The top of the connecting plate 43 has a waterproof drive motor, which drives the drive gear 55 on the outside of the connecting plate 43. The drive gear 55 meshes with the arc-shaped guide gear 54 at the bottom of the mounting box 51. The inner side of the arc-shaped guide gear 54 is movably connected to the sliding support block 53 at the bottom of the clamping plate 52. The clamping plate 52 slides in the mounting box 51. When the arc-shaped guide gear 54 rotates, it drives the sliding support block 53 to slide along its inner guide groove. The clamping plates 52 on both sides move inward synchronously to clamp and fix the collection bucket 44, thus completing the quick installation.

[0033] Specifically, such as Figure 3 , Figure 4 As shown, the puncture collection assembly 45 includes a puncture head 45a, a sieve plate 45b, a telescopic support 45c, a compression spring 45d, and a drainage hole 45e.

[0034] Specifically, such as Figure 3 , Figure 4 As shown, the telescopic support column 45c is fixedly connected to the bottom of the inner side of the collection bucket 44, the compression spring 45d is fixedly connected to the inner side of the telescopic support column 45c, the sieve plate 45b is fixedly connected to the top of the telescopic support column 45c, the piercing head 45a is fixedly connected to the top of the sieve plate 45b, and the drain hole 45e is opened at the bottom of the collection bucket 44.

[0035] In this embodiment: the collection bucket 44 has an opening at the top and a drainage hole 45e at the bottom. The waterproof electric telescopic rod 42 drives the collection bucket 44 to move up and down. When water enters the bucket, it absorbs water and impurities. When it is lifted, the water in the bucket squeezes the sieve plate 45b, causing small impurities to separate. The water is discharged from the drainage hole 45e at the bottom. When draining water, the sieve plate 45b presses down on the telescopic support column 45c and the compression spring 45d. When the water decreases, the telescopic support column 45c and the compression spring 45d rebound, causing the sieve plate 45b to move up. The piercing head 45a on the sieve plate 45b decomposes large impurities. When the manual cleaning boat cleans the screen 3, it only needs to collect the impurities in the collection bucket 44 and those that cannot be processed, avoiding long-term stay to prevent accidents.

[0036] Specifically, such as Figure 5 As shown, the outer side of the clamping plate 52 is fixedly connected to the buffer clamping pad 6.

[0037] Specifically, such as Figure 3 As shown, a rubber sealing sleeve 7 is movably connected to the outer side of the waterproof electric telescopic rod 42.

[0038] In this embodiment: the buffer clamping pad 6 can reduce the stress on the clamping surface and prevent damage to the collection bucket 44 when the clamping plate 52 clamps the collection bucket 44 during installation; the rubber sealing sleeve 7 can further improve the waterproof effect of the waterproof electric telescopic rod 42.

[0039] Working principle: A spillway tunnel 1 is typically installed in a diversion-type hydroelectric power station for flood control and geological disaster prevention. The spillway tunnel 1 is located at the height of the horizontal warning line. When the water level rises above the warning line, it can quickly absorb accumulated water and discharge it downstream through a bottom valve. An underwater support plate 2 is installed in the outer support area of ​​the spillway tunnel 1. This underwater support plate 2 is a certain distance from the warning horizontal line. A grid 3 is installed on the outer side of the underwater support plate 2 to block debris such as branches and floating stones. A circular sliding support track 41 is connected to the bottom of the underwater support plate 2. Inside the track is a connecting plate 43 driven by a waterproof electric telescopic rod 42. The connecting plate 43 can move along the grid... The outer ring of the grid 3 reciprocates in a lifting motion. The inner side of the connecting plate 43 has holes for placing the collection bucket 44. After placing the collection bucket 44 in the holes, it can be pushed to the center position of the mounting box 51. A waterproof drive motor is located at the top of the connecting plate 43. The motor drives the drive gear 55 on the outer side of the connecting plate 43. The drive gear 55 meshes with the arc-shaped guide gear 54 at the bottom of the mounting box 51. The inner side of the arc-shaped guide gear 54 is movably connected to the sliding support block 53 at the bottom of the clamping plate 52. The clamping plate 52 slides inside the mounting box 51. When the arc-shaped guide gear 54 rotates, it drives the sliding support block 53 to slide along its inner guide groove. This causes the two clamping plates 52 to move inward simultaneously, thereby clamping and fixing the collection bucket 44 for quick installation. After installation, the reciprocating lifting and lowering of the connecting plate 43 is converted into the up-and-down movement of the collection bucket 44. The collection bucket 44 has an opening at the top and a drainage hole 45e at the bottom. The waterproof electric telescopic rod 42 drives the collection bucket 44 to move downward. When the collection bucket 44 is submerged in the water and reaches the boundary point, it will absorb the surrounding water and impurities like a flood discharge tunnel 1. When the collection bucket 44 is quickly lifted off the water surface, the downward pressure of the water inside the collection bucket 44 will squeeze the screening plate 45b downward, causing smaller impurities to be separated through the screening plate 45b. The water is quickly discharged through the bottom drain hole 45e. During the drainage process, the screen plate 45b presses down and compresses the telescopic support 45c and the compression spring 45d on its inner side. When the water in the tank decreases, the telescopic support 45c and the compression spring 45d quickly rebound, driving the screen plate 45b upward. The piercing head 45a on the screen plate 45b pierces and decomposes the larger impurities blocked by the grid 3. In this way, when the manual cleaning boat cleans the grid 3, it only needs to collect the impurities in the collection bucket 44 and the larger impurities that the collection bucket 44 cannot handle. It does not need to stay outside the flood discharge tunnel 1 for a long time, which can prevent the cleaning boat from being attracted to the flood discharge tunnel 1 due to accidents.

[0040] The above are merely preferred embodiments of the present utility model and are not intended to limit the present utility model. Any modifications, equivalent substitutions, and improvements made within the spirit and principles of the present utility model should be included within the protection scope of the present utility model.

Claims

1. A facility for enhancing the flood control and geological disaster prevention capabilities of a diversion-type hydropower station, comprising a spillway (1), characterized in that: An underwater bearing plate (2) is fixedly connected to the outside of the flood discharge tunnel (1), a grid (3) is fixedly connected to the top of the underwater bearing plate (2), a floating collection mechanism (4) is movably connected to the outside of the underwater bearing plate (2), and a quick installation mechanism (5) is movably connected to the outside of the floating collection mechanism (4). The floating collection mechanism (4) includes a sliding support rail (41), a waterproof electric telescopic rod (42), a connecting plate (43), a collection bucket (44), and a puncture collection assembly (45). The sliding support rail (41) is fixedly connected to the bottom of the underwater support plate (2). The connecting plate (43) is slidably connected to the inner side of the sliding support rail (41). The waterproof electric telescopic rod (42) is fixedly connected to the bottom of the connecting plate (43) and to the inner side of the sliding support rail (41). The collection bucket (44) is movably connected to the inner side of the connecting plate (43). The puncture collection assembly (45) is movably connected to the inner side of the collection bucket (44).

2. The facility for enhancing the flood control and geological disaster prevention capabilities of a diversion-type hydropower station according to claim 1, characterized in that: The quick-installation mechanism (5) includes an installation box (51), a clamping plate (52), a sliding support block (53), an arc-shaped guide gear (54), and a drive gear (55).

3. The facility for enhancing the flood control and geological disaster prevention capabilities of a diversion-type hydropower station according to claim 2, characterized in that: The mounting box (51) is fixedly connected to the bottom of the connecting plate (43), the clamping plate (52) is slidably connected to the inside of the mounting box (51), and the collection bucket (44) is movably connected to the inside of the mounting box (51).

4. A facility for enhancing the flood control and geological disaster prevention capabilities of a diversion-type hydropower station according to claim 2, characterized in that: The sliding support block (53) is fixedly connected to the bottom of the clamping plate (52), the arc-shaped guide toothed disc (54) is movably connected to the outside of the sliding support block (53), the drive gear (55) is meshed with the outside of the arc-shaped guide toothed disc (54), and the drive gear (55) is movably connected to the bottom of the connecting plate (43).

5. A facility for enhancing the flood control and geological disaster prevention capabilities of a diversion-type hydropower station according to claim 1, characterized in that: The puncture collection assembly (45) includes a puncture head (45a), a sieve plate (45b), a telescopic support (45c), a compression spring (45d), and a drainage hole (45e).

6. A facility for enhancing the flood control and geological disaster prevention capabilities of a diversion-type hydropower station according to claim 5, characterized in that: The telescopic support column (45c) is fixedly connected to the bottom of the inner side of the collection bucket (44), the compression spring (45d) is fixedly connected to the inner side of the telescopic support column (45c), the sieve plate (45b) is fixedly connected to the top of the telescopic support column (45c), the piercing head (45a) is fixedly connected to the top of the sieve plate (45b), and the drain hole (45e) is opened at the bottom of the collection bucket (44).

7. A facility for enhancing the flood control and geological disaster prevention capabilities of a diversion-type hydropower station according to claim 2, characterized in that: The outer side of the clamping plate (52) is fixedly connected to the buffer clamping pad (6).

8. A facility for enhancing the flood control and geological disaster prevention capabilities of a diversion-type hydropower station according to claim 1, characterized in that: The waterproof electric telescopic pole (42) is movably connected to a rubber sealing sleeve (7).