Intelligent monitoring submerged chain conveyor for hydropower station

Abstract

The invention relates to the field of water treatment, in particular to a hydropower station intelligent monitoring submerged chain conveyor which comprises a chain plate type submerged chain conveyor mechanism, an impurity concentration mechanism, an impurity containing mechanism, a control module and a communication module. The chain plate type submerged chain conveyor mechanism is installed in an obliquely-arranged submerged chain conveyor groove, a submerged chain conveyor groove is formed in the bottom of the submerged chain conveyor groove, and a submerged chain conveyor frame is arranged below the top of the submerged chain conveyor groove; the impurity containing mechanism is arranged at the slag inlet, and the impurity concentrating mechanisms are arranged on the left side and the right side of the slag inlet. A camera support is arranged above the front side of the slag inlet, a panoramic camera is installed on the camera support, the control mechanism comprises a control module and a communication module, and the panoramic camera inputs signals to the control module through the communication module. The control module outputs control signals to the chain plate type slag salvaging mechanism, the sundry concentration mechanism and the sundry containing mechanism through the communication module. The defects that low-cost slag salvaging in a wide water area is difficult to realize and reliable monitoring of underwater sundries is lacked by existing equipment are effectively overcome.

Description

Technical Field

[0001] The present invention relates to the field of water treatment, and particularly to an intelligent monitoring slag scraper for hydropower stations. Background Art

[0002] At present, during the operation of hydropower stations in the lower reaches of small and medium-sized rivers, debris such as biological garbage, vegetation, and other suspended contaminants accumulated in the river channel will have a significant impact on power generation efficiency. A Chinese utility model patent with the patent application number 201820893278.X discloses an intelligent monitoring slag scraper for hydropower stations. The intelligent monitoring slag scraper provided by this utility model monitors the debris situation in the water channel in real time through a camera, remotely controls a driving motor to drive a water passing device to rotate in a cycle, and automatically picks up debris with hooks on a chain plate and conveys it to the top of the water channel. However, the technical solution of this utility model has the following defects: Firstly, there are applicability limitations. Limited by the physical size of the chain plate structure, this device is only applicable to small and medium-sized river channels or narrow water channel environments. In the application scenario of wide river channels, the width of the chain plate needs to be increased in proportion, resulting in a large overall device volume. The large-scale equipment will significantly increase the manufacturing cost and affect the economic feasibility.

[0003] Secondly, there is a problem of monitoring blind spots. The visual monitoring system of this device can only capture floating debris on the water surface and lacks effective detection means for suspended matter and sediments in the middle and lower layers of the water body. When the underwater debris accumulation reaches the critical value, the device may not be recognized in time and fail to start in time.

[0004] Therefore, there is an urgent need for a new type of intelligent monitoring slag scraper for hydropower stations to provide an effective solution to the defects of the existing technology. Summary of the Invention

[0005] The purpose of the present invention is to provide an intelligent monitoring slag scraper for hydropower stations to solve the problems raised in the above background art.

[0006] To achieve the above purpose, the present invention provides the following technical solutions: An intelligent monitoring slag scraper for hydropower stations includes a chain plate type slag scraping mechanism, a debris concentration mechanism, a debris incorporation mechanism, a control module, and a communication module: The chain plate type slag scraping mechanism is installed in an inclined slag transportation trough. The bottom of the slag transportation trough is an inlet for slag. Below the top of the inlet for slag, there is a slag collection frame. The debris incorporation mechanism is arranged at the inlet for slag, and the debris concentration mechanism is arranged on the left and right sides of the inlet for slag; Above the front side of the inlet for slag, there is a camera support, and a panoramic camera is installed on the camera support. The control mechanism includes a control module and a communication module. The panoramic camera inputs signals to the control module through the communication module, and the control module outputs control signals to the chain plate type slag scraping mechanism, the debris concentration mechanism, and the debris incorporation mechanism through the communication module.

[0007] Furthermore, the debris incorporation mechanism includes a pair of rotating plates vertically arranged on the rotating shaft, and the rotating plates are provided with dense water holes. The debris collection mechanism includes a pair of spiral auger blades vertically arranged on the rotating shaft. The chain plate type slag scooping mechanism includes a group of annular chain plates, and adjacent chain plates are hinged. The upper and lower ends of the slag trough are each rotatably connected to a sprocket shaft, and each two ends of each sprocket shaft are fixedly installed with a chain plate wheel. The chain plate wheel is engaged with the chain groove at both ends of the chain plate, and the chain plate is provided with a drainage hole. The surface of the chain plate facing away from the chain plate wheel is provided with an outwardly protruding hanging plate.

[0008] The top end face of said driving mechanism is equipped with a pair of driving-wheel sprocket at two ends, and said driving-wheel sprocket is equipped with a pair of driving-wheel sprocket at two ends.

[0009] Furthermore, the radius of the auger blade in the debris collection mechanism gradually decreases, and the radius of the auger blade at one end away from the slag inlet is larger than the radius at one end close to the slag inlet.

[0010] Furthermore, the slag trough, side plates, chain plates, chain plate wheels, rotating plates, and auger blades are all made of stainless steel.

[0011] Furthermore, solar panels are installed on the top of the side plates and the slag transport trough, and the solar panels provide energy for the chain plate type slag scooping mechanism, the debris collection mechanism, the debris receiving mechanism, and the control module.

[0012] Furthermore, a sonar is installed on the side wall of the slag inlet, and the sonar inputs signals to the control module through the communication module.

[0013] Compared with the prior art, the present invention has the following beneficial effects: 1. The present invention adopts a three-dimensional monitoring and automated control system, which combines optical camera and sonar detection technologies to achieve all-round real-time monitoring of surface and underwater debris. The system can intelligently analyze the debris accumulation situation, automatically adjust the operating parameters of each working mechanism, significantly improving the accuracy and efficiency of debris cleaning. The unique progressive debris collection design expands the operation range and avoids the problem of large structure caused by the increase of river width in traditional equipment, effectively controlling the manufacturing cost while ensuring efficient operation. The auger blade adopts a variable radius design, with a large radius section on the outside covering a wider water area and a small radius section on the inside enhancing the extrusion and pushing force on the debris, making the debris collection smoother and more efficient. The multi-mechanism collaborative operation mode ensures the coherence of the whole process from debris guiding, collection to transportation, improving the overall working efficiency.

[0014] 2. The present invention adopts a single-motor drive multi-mechanism linkage mode. By optimizing the layout of transmission chains and bevel gears, efficient collaborative operation of each working component is achieved. The system significantly reduces energy consumption and maintenance requirements, with obvious improvement in transmission efficiency, and at the same time extends the service life of the equipment, meeting the working condition requirements of long-term continuous operation.

[0015] 3. The present invention adopts a full stainless steel main structure, which has excellent corrosion resistance and structural strength and can adapt to harsh water environments such as high salinity and heavy corrosion. The solar power supply system is not only energy-saving and environmentally friendly but also ensures the stable operation of the equipment in remote areas. Description of the Drawings

[0016] Figure 1 It is a structural schematic diagram of an intelligent monitoring slag collector for a hydropower station; Figure 2 It is a structural framework diagram of an intelligent monitoring slag collector for a hydropower station; Figure 3 It is a structural schematic diagram of the side plate and the slag inlet; Figure 4 It is a structural schematic diagram of the chain plate type slag collecting mechanism, the debris concentrating mechanism and the debris incorporating mechanism; Figure 5 It is a transmission structural schematic diagram of the chain plate type slag collecting mechanism, the debris concentrating mechanism and the debris incorporating mechanism; Figure 6 It is a structural schematic diagram of the chain plate type slag collecting mechanism; Figure 7 It is a structural decomposition schematic diagram of the chain plate type slag collecting mechanism; Figure 8 It is a structural schematic diagram of the chain plate; Figure 9 It is a structural schematic diagram of the debris concentrating mechanism; Figure 10 It is a structural schematic diagram of the debris incorporating mechanism.

[0017] In the figure: 1. Slag transport chute; 2. Side plate; 3. Slag inlet; 4. Slag collection frame; 5. Horizontal shaft seat; 6. Vertical shaft seat; 7. Top shaft seat; 8. Camera bracket; 9. Panoramic camera; 10. Debris concentration mechanism; 11. Debris incorporation mechanism; 12. Driving motor; 13. First chain; 14. Second chain; 15. Top shaft; 16. Driving bevel gear; 17. Driven bevel gear; 18. Vertical sprocket; 19. Chain plate type slag fishing mechanism; 20. Chain plate; 21. Hanging plate; 22. Drain hole; 23. Chain trough; 24. Chain plate wheel; 25. Sprocket shaft; 26. Sonar. Specific implementation mode

[0018] Next, the technical solutions in the embodiments of the present invention will be clearly and completely described in conjunction with the accompanying drawings in the embodiments of the present invention. Obviously, the described embodiments are only a part of the embodiments of the present invention, rather than all the embodiments. All other embodiments obtained by those of ordinary skill in the art based on the embodiments of the present invention without creative efforts shall fall within the protection scope of the present invention.

[0019] Embodiment 1: Please refer to Figures 1 to 4 , a smart monitoring slag fishing machine for a hydropower station, including a chain plate type slag fishing mechanism 19, a debris concentration mechanism 10, a debris incorporation mechanism 11, a control module and a communication module: The chain plate type slag fishing mechanism 19 is installed in the inclined slag transport chute 1. The bottom of the slag transport chute 1 is the slag inlet 3. A slag collection frame 4 is arranged below the top of the slag inlet 3. The debris incorporation mechanism 11 is arranged at the slag inlet 3, and the debris concentration mechanism 10 is arranged on the left and right sides of the slag inlet 3; Above the front side of the slag inlet 3, there is a camera bracket 8, and a panoramic camera 9 is installed on the camera bracket 8. The control mechanism includes a control module and a communication module. The panoramic camera 9 inputs signals to the control module through the communication module, and the control module outputs control signals to the chain plate type slag fishing mechanism 19, the debris concentration mechanism 10 and the debris incorporation mechanism 11 through the communication module.

[0020] The working principle of this embodiment: As shown in the appendix Figures 1 - 4As shown in the figure, the slag transport chute 1 is inclined and installed at the edge of a river or a water channel. An inlet for slag 3 is provided at its bottom for collecting sundries on the water surface and in the water body. The slag collection frame 4 is used for temporarily storing the retrieved sundries. The chain plate type slag retrieval mechanism 19 is installed in the slag transport chute 1 and driven by a driving motor to operate in a cycle. Through the hook or scraper structure on the chain plate, the sundries at the inlet for slag 3 are retrieved and conveyed upward along the slag transport chute 1, and finally fall into the slag collection frame 4. The sundry concentration mechanism 10 is arranged on the left and right sides of the inlet for slag 3 for guiding the floating sundries to converge towards the inlet for slag 3. The sundry incorporation mechanism 11 is arranged at the inlet for slag 3 for assisting in pushing the sundries in the middle and lower layers of the water surface and in the water body into the slag retrieval area to ensure that the sundries smoothly enter the inlet for slag 3. The panoramic camera 9 is installed on the camera support 8 on the front side of the inlet for slag 3 for real-time monitoring of the sundries on the water surface. The control module receives the signal from the panoramic camera 9 through the communication module, analyzes the degree of sundry accumulation, and automatically controls the start-stop and operating parameters of the chain plate type slag retrieval mechanism 19, the sundry concentration mechanism 10, and the sundry incorporation mechanism 11. In this embodiment, the sundry concentration mechanism 10 is used to expand the sundry capture range, avoiding the problem of equipment enlargement caused by the increase in the river width in the traditional chain plate type slag retrieval machine and reducing the manufacturing cost.

[0021] Embodiment 2: Please refer to Figures 4 to 10 , a smart monitoring slag retrieval machine for a hydropower station, which is different from Embodiment 1 in that the sundry incorporation mechanism 11 includes a pair of rotating plate blades with their rotating axes vertically arranged, and the rotating plate blades are provided with dense water passing holes. The sundry concentration mechanism 10 includes a pair of spiral auger blades with their rotating axes vertically arranged. The chain plate type slag retrieval mechanism 19 includes a set of annular chain plates 20. Adjacent chain plates 20 are hinged to each other. A sprocket shaft 25 is rotatably connected to each of the upper and lower ends of the slag transport chute 1. A chain sprocket 24 is fixedly installed at each end of each sprocket shaft 25. The chain sprocket 24 is meshed and installed with the chain grooves 23 at both ends of the chain plate 20. Drainage holes 22 are provided on the chain plate 20. A hanging plate 21 protruding outward is provided on the surface of the chain plate 20 on the side facing away from the chain sprocket 24.

[0022] This embodiment provides an improved smart monitoring slag retrieval machine for a hydropower station. On the basis of Embodiment 1, an optimized design is carried out for the sundry incorporation mechanism 11, the sundry concentration mechanism 10, and the chain plate type slag retrieval mechanism 19. As shown in the appendix Figure 4As shown, the debris collection mechanism 11 includes a pair of vertically mounted rotating blades 26, each with a dense network of water holes 27. The rotating blades 26 are driven by a motor, pulling debris from the water surface and the lower and middle layers toward the slag inlet 3. The rotating blades 26 also reduce water flow resistance through the water holes 27, preventing it from affecting the normal flow rate of the river. The debris collection mechanism 10 includes a pair of vertically mounted spiral auger blades 28, symmetrically arranged on either side of the slag inlet 3. As the auger blades 28 rotate, they push floating debris toward the center. The chain-plate slag scooping mechanism 19 includes a set of annular chain plates 20, with adjacent chain plates 20 connected by a hinged structure to form a flexible conveyor belt. A sprocket shaft 25 is rotatably connected to each end of the slag trough 1. Each sprocket shaft 25 is fixedly mounted with a chain plate wheel 24 at each end. The chain plate wheel 24 engages with the chain groove 23 at each end of the chain plate 20 to ensure stable transmission. The chain plate 20 is provided with drainage holes 22, which can reduce the water resistance during the slag removal process and improve the conveying efficiency. Figure 8 As shown, a hanging plate 21 protruding outward is provided on the side of the chain plate 20 facing away from the chain plate wheel 24 to enhance the ability to grasp debris and prevent it from slipping.

[0023] This embodiment uses the rotating plate leaves 26 and the auger blades 28 to deal with floating objects, suspended objects and semi-submerged debris, reducing monitoring blind spots and improving debris cleaning efficiency and equipment reliability.

[0024] Example 3: Please refer to Figures 1 to 5 , an intelligent monitoring slag scooping machine for a hydropower station, which differs from Example 2 in that a pair of side plates 2 extending to both sides of the slag inlet 3 are provided at the bottom of the slag transport trough 1, and a vertical shaft seat 6 is provided at one end of each side plate 2 close to the slag inlet 3, and a horizontal shaft seat 5 is provided at one end of each side plate 2 away from the slag inlet 3, and a top shaft seat 7 is provided between the horizontal shaft seat 5 and the vertical shaft seat 6 of each side plate 2, the auger blade is rotatably mounted on the horizontal shaft seat 5, and the rotating plate leaf is rotatably mounted on the vertical shaft seat 6, and a driving motor 12 is installed on the outer wall of the slag transport trough 1, and the driving motor 12 drives the chain plate wheel 24, the rotating plate leaf, and the auger blade to rotate. A transversely arranged top shaft 15 is rotatably installed between the top shaft seats 7 on both sides. The output shaft of the drive motor 12 is connected to a wheel shaft 25 through a first chain 13. The output shaft of the drive motor 12 is connected to a top shaft 15 through a second chain 14. The two ends of the top shaft 15 are respectively connected to the auger blade wheel shafts in the debris collection mechanism 10 on both sides through a vertical sprocket 18. A driving bevel gear 16 is installed at each end of the top shaft 15. A driven bevel gear 17 is installed on the top of the rotating plate page wheel shaft in the debris inclusion mechanism 11. The driven bevel gear 17 is meshed with the driving bevel gear 16.

[0025] The bottom of the slag trough 1 is provided with a pair of side plates 2 extending to both sides of the slag inlet 3, forming an expanded debris collection area. Each side plate 2 is provided with a vertical shaft seat 6 at the end close to the slag inlet 3 and a horizontal shaft seat 5 at the end away from the slag inlet 3, with a top shaft seat 7 provided between the two, forming a stable support frame. The rotating plate 26 is rotatably mounted on the vertical shaft seat 6 through its wheel axle and can rotate freely. A driven bevel gear 17 is installed on the top of the rotating plate wheel axle, which meshes with the driving bevel gear 16 to achieve power transmission. The auger blade wheel shaft is connected to the top shaft 15 through the vertical sprocket 18 to achieve power transmission. The drive motor 12 is installed on the outer wall of the slag trough 1, and its output shaft is connected to a sprocket shaft 25 through the first chain 13 to drive the chain plate type slag scooping mechanism 19 to operate. The output shaft of the drive motor 12 is also connected to the top shaft 15 through a second chain 14. The top shaft 15 is equipped with a driving bevel gear 16 at both ends, which meshes with the driven bevel gear 17 to drive the rotating plate 26. The top shaft 15 is also connected to the auger blade shaft through a vertical sprocket 18 at both ends to drive the auger blade 28 to rotate.

[0026] This embodiment realizes a single motor driving multiple mechanisms through the combined transmission of the driving motor 12, chain, bevel gear and sprocket, reducing energy consumption and maintenance costs. The chain plates, rotating plates and auger blades of each mechanism run synchronously to ensure the continuity of the debris from guiding, inclusion to scooping.

[0027] Example 4: Please refer to Figure 9 , an intelligent monitoring slag scooping machine for a hydropower station, which differs from Example 2 in that the radius of the auger blade in the debris collection mechanism 10 gradually decreases, and the radius of the auger blade at the end away from the slag inlet 3 is larger than the radius at the end close to the slag inlet 3.

[0028] In this embodiment, the auger blades 28 are designed with a gradually decreasing radius to form a progressively converging channel. The outer side of the large radius end can cover a wider area of water, and the inner side of the small radius end enhances the squeezing and pushing force on debris, allowing the debris to enter the slag inlet 3 more smoothly.

[0029] Example 5: An intelligent monitoring slag scooping machine for a hydropower station, which differs from Example 1 or 3 in that the slag trough 1, side plates 2, chain plates 20, chain plate wheels 24, rotating plates, and auger blades are all made of stainless steel.

[0030] This embodiment utilizes stainless steel for the slag chute 1, side plates 2, chain plates 20, chain plate wheels 24, rotating plates, and auger blades, offering excellent corrosion resistance and high structural strength. This embodiment is suitable for use in high-salinity, highly corrosive water environments. Key friction areas can be constructed of 316L stainless steel and nitrided to further enhance wear resistance.

[0031] Embodiment 6: An intelligent monitoring slag scraper for a hydropower station, which is different from Embodiment 1 in that solar panels are installed on the side plates 2 and the top of the slag conveying trough 1, and the solar panels supply energy to the chain plate type slag scraping mechanism 19, the sundry collection mechanism 10, the sundry incorporation mechanism 11, and the control module.

[0032] In this embodiment, solar panels are used as functional components, which is more energy-saving and environmentally friendly.

[0033] Embodiment 7: Please refer to Figure 3 , an intelligent monitoring slag scraper for a hydropower station, which is different from Embodiment 1 in that a sonar 26 is installed on the side wall of the slag inlet 3, and the sonar 26 inputs signals to the control module through the communication module.

[0034] In this embodiment, the sonar 26 installed on the side wall of the slag inlet 3 can detect the thickness of underwater sundry accumulation in real time, transmit data to the control module through the communication module, and realize full water depth monitoring. The sonar 26 and the panoramic camera 9 form a three-dimensional monitoring network to eliminate the traditional visual blind area.

Claims

1. An intelligent monitoring slag scraper for a hydropower station, characterized in that It includes a chain plate slag scraping mechanism (19), a sundry concentrating mechanism (10), a sundry incorporating mechanism (11), a control module and a communication module: The chain plate slag scraping mechanism (19) is installed in an inclined slag conveying trough (1). The bottom of the slag conveying trough (1) is a slag inlet (3). Below the top of the slag inlet (3), there is a slag collecting frame (4). The sundry incorporating mechanism (11) is arranged at the slag inlet (3), and the sundry concentrating mechanism (10) is arranged on the left and right sides of the slag inlet (3); Above the front side of the slag inlet (3), there is a camera bracket (8). A panoramic camera (9) is installed on the camera bracket (8). The control mechanism includes a control module and a communication module. The panoramic camera (9) inputs signals to the control module through the communication module. The control module outputs control signals to the chain plate slag scraping mechanism (19), the sundry concentrating mechanism (10) and the sundry incorporating mechanism (11) through the communication module.

2. The intelligent monitoring slag scraper of a hydropower station according to claim 1, characterized in that: The sundry incorporating mechanism (11) includes a pair of rotating plate pages with vertically arranged rotating shafts. The rotating plate pages are provided with dense water passing holes. The sundry concentrating mechanism (10) includes a pair of spiral auger blades with vertically arranged rotating shafts. The chain plate slag scraping mechanism (19) includes a set of annular chain plates (20). Adjacent chain plates (20) are hinged to each other. At the upper and lower ends of the slag conveying trough (1), there is a sprocket shaft (25) rotatably connected respectively. At both ends of each sprocket shaft (25), there is a chain plate wheel (24) fixedly installed respectively. The chain plate wheels (24) are meshed and installed with the chain grooves (23) at both ends of the chain plates (20). The chain plates (20) are provided with drain holes (22). On the surface of the chain plates (20) on the side facing away from the chain plate wheels (24), there are outwardly protruding hanging plates (21).

3. The intelligent monitoring slag scraper for a hydropower station according to claim 2, characterized in that: At the bottom of the slag conveying trough (1), there are a pair of side plates (2) extending towards both sides of the slag inlet (3). At one end of each side plate (2) close to the slag inlet (3), there is a vertical shaft seat (6). At one end of each side plate (2) far from the slag inlet (3), there is a horizontal shaft seat (5). Between the horizontal shaft seat (5) and the vertical shaft seat (6) of each side plate (2), there is a top shaft seat (7). The auger blades are rotatably installed on the horizontal shaft seats (5), and the rotating plate pages are rotatably installed on the vertical shaft seats (6). A driving motor (12) is installed on the outer wall of the slag conveying trough (1). The driving motor (12) drives the chain plate wheels (24), the rotating plate pages and the auger blades to rotate; A transversely arranged top shaft (15) is rotatably mounted between the top shaft seats (7) on both sides. The output shaft of the drive motor (12) is transmission-connected to a wheel shaft (25) via a first chain (13). The output shaft of the drive motor (12) is transmission-connected to a top shaft (15) via a second chain (14). Both ends of the top shaft (15) are transmission-connected to the auger blade wheel shafts in the debris collection mechanism (10) on both sides via a vertical sprocket (18). A driving bevel gear (16) is mounted on each end of the top shaft (15). A driven bevel gear (17) is mounted on the top of the rotating plate leaf wheel shaft in the debris collection mechanism (11). The driven bevel gear (17) is meshed with the driving bevel gear (16).

4. The intelligent monitoring slag scraper of a hydropower station according to claim 2, characterized in that: The radius of the auger blade in the debris collection mechanism (10) gradually decreases, and the radius of the auger blade at the end away from the slag inlet (3) is larger than the radius at the end close to the slag inlet (3).

5. An intelligent monitoring slag scraper for a hydropower station according to claim 1 or 3, characterized in that: The slag transport trough (1), side plates (2), chain plates (20), chain plate wheels (24), rotating plates, and auger blades are all made of stainless steel.

6. The intelligent monitoring slag scraper of a hydropower station according to claim 1, characterized in that: Solar panels are installed on the tops of the side plates (2) and the slag transport trough (1), and the solar panels provide energy for the chain plate type slag scooping mechanism (19), the debris collecting mechanism (10), the debris receiving mechanism (11), and the control module.

7. The intelligent monitoring slag scraper of a hydropower station according to claim 1, characterized in that: A sonar (26) is installed on the side wall of the slag inlet (3), and the sonar (26) inputs signals to the control module through the communication module.

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