Easily-cleaned trash rack of hydropower station

Abstract

The invention discloses a trash rack easy to clean for a hydropower station, and belongs to the technical field of hydropower stations, the trash rack easy to clean for the hydropower station comprises a supporting frame, a first trash rack is arranged on one side of the interior of the supporting frame, and a second trash rack is arranged in the center of the interior of the supporting frame. According to the trash rack fixing mechanism, trash racks can be conveniently installed and fixed, by arranging the three sets of trash racks and arranging the grating grooves in the three sets of trash racks in a staggered mode, the size of a groove opening of each trash rack can be changed by installing one or three sets of trash racks, and therefore the using effect of the trash racks is improved; by arranging the trash rack automatic cleaning mechanism, dirt on the surface of the trash rack can be conveniently cleaned, so that the using effect of the trash rack can be guaranteed, and the problem that the labor amount of workers is increased due to the fact that the trash rack needs to be detached for cleaning every time of cleaning is solved.

Description

Technical Field

[0001] The present invention belongs to the technical field of hydropower stations, and particularly relates to an easily cleanable trash rack for a hydropower station. Background Art

[0002] Hydropower stations and sluice gates built on rivers are also deeply affected by garbage. On the one hand, a large amount of garbage is concentrated at the water surface trash rack at the intake of the hydropower station for a long time, causing a great impact on the surrounding environment.

[0003] Chinese Patent Application No. 202420693507.9 discloses an easily cleanable trash rack for a small hydropower station, including: a U-shaped frame, and limiting grooves are symmetrically opened on both inner walls of the U-shaped frame. The multiple limiting grooves are divided into two groups, and trash retaining plates are slidably connected to the inner surfaces of the two groups of limiting grooves. In the present invention, through the combined use of a sliding groove, a limiting groove, a clamping block, a limiting block, a connecting rod, a first spring, a second spring, a clamping groove and a rectangular groove, it is convenient to disassemble and assemble the trash retaining plate, so that when cleaning, the trash retaining plate can be disassembled for cleaning, more easily contacting the dirt on the trash rack, reducing the difficulty in the cleaning process, ensuring the cleaning effect, improving work efficiency. At the same time, through the setting of two trash racks, when one trash rack is disassembled for cleaning, the other can still operate, ensuring the stable operation of the hydropower station.

[0004] Although the above-mentioned disclosed patent realizes the use of the trash rack, the trash rack set therein cannot adjust the size of the passing water flow during use, and the fixing effect of the trash rack is relatively poor, prone to the problem of shaking; although the trash rack set therein can be disassembled and cleaned, for some easily cleanable dirt, cleaning it by disassembling will consume a lot of manpower and is relatively inconvenient to use. Summary of the Invention

[0005] To solve the problems raised in the above background art, the present invention provides an easily cleanable trash rack for a hydropower station, which has the characteristics of being able to change the size of the passing water flow by installing trash racks of different diameters and facilitating the automatic cleaning of the trash rack.

[0006] To achieve the above object, the present invention provides the following technical solution: an easily cleanable trash rack for a hydropower station, including a support frame. On one side inside the support frame, there is a trash rack one, at the central position inside the support frame, there is a trash rack two, and on the other side inside the support frame, there is a trash rack three. The grid slots of the trash rack one, the trash rack two and the trash rack three are arranged in a staggered manner. At the upper end of the side of the support frame, there is a trash rack automatic cleaning mechanism, and at the upper end of the support frame, there is a trash rack installation mechanism.

[0007] Preferably, the trash rack installation mechanism includes a rotating shaft, a fixing plate, and a fixing component. A fixing plate is provided at the upper end of the support frame. One end of the fixing plate is rotatably connected to the support frame through the rotating shaft, and the other end of the fixing plate is connected to the support frame through the fixing component.

[0008] Preferably, the fixing component includes a sliding plate, a spring, a central rod, a fixing block, a fixing hole, a fixing rod, and an installation groove. An installation groove is provided inside the upper side of the support frame. A sliding plate is arranged inside the installation groove. A central rod is penetrated through the central position of the sliding plate. A spring is sleeved on the surface of the central rod below the sliding plate. A fixing rod is arranged on the upper side of the sliding plate. A fixing block is arranged on the other side of the fixing plate. A fixing hole corresponding to the fixing rod is provided inside the fixing block.

[0009] Preferably, the fixing component further includes an adjusting block, a handle, and an adjusting groove. An adjusting block is arranged on the side of the sliding plate. An adjusting groove corresponding to the adjusting block is provided on one side of the support frame. A handle is arranged on the side of the adjusting block.

[0010] Preferably, the trash rack installation mechanism further includes a sliding groove and a sliding block. Sliding blocks are arranged on the sides of the first trash rack, the second trash rack, and the third trash rack. A sliding groove corresponding to the sliding block is provided on the inner wall of the support frame.

[0011] Preferably, the trash rack automatic cleaning mechanism includes a cleaning component, an L-shaped mounting plate, a limiting block, a nut block, a mounting box, a waterproof motor I, and a threaded rod. A mounting box is fixed at the upper side of one side of the support frame. A waterproof motor I is arranged on the side of the mounting box. A threaded rod is arranged at the output end of the waterproof motor I. A nut block is threadedly connected to the surface of the threaded rod. A limiting block is arranged at the lower end of the nut block. An L-shaped mounting plate is arranged at the lower end of the limiting block. A cleaning component is arranged on the side of the L-shaped mounting plate.

[0012] Preferably, the cleaning component includes a second cleaning brush, a second gear, a second rotating shaft, a flexible toothed belt, a first rotating shaft, a waterproof motor II, a gear box, a first gear, and a first cleaning brush. A gear box is fixed on one side of the L-shaped mounting plate. A waterproof motor II is arranged on the other side of the L-shaped mounting plate. A first rotating shaft is arranged at the output end of the waterproof motor II. A first cleaning brush is arranged at the other end of the first rotating shaft. A first gear is arranged on the surface of the first rotating shaft inside the gear box. A flexible toothed belt is meshed with the surface of the first gear. A second gear is meshed with the other end surface of the flexible toothed belt. A second rotating shaft is fixedly penetrated through the second gear. A second cleaning brush is arranged at the other end of the second rotating shaft.

[0013] Preferably, a limiting groove corresponding to the limiting block is provided at the lower end of the mounting box. The external thread on the surface of the threaded rod is only arranged at the central position of the threaded rod.

[0014] Compared with the prior art, the beneficial effects of the present invention are:

[0015] 1. The present invention provides a trash rack installation mechanism. The setting of this mechanism facilitates the installation and fixation of the trash rack. By providing three sets of trash racks with the grille slots in the three sets being stagger - arranged, it is possible to change the size of the slot openings of the trash rack by installing one set or three sets of trash racks, thereby improving the usage effect of the trash rack.

[0016] 2. The present invention provides a trash rack automatic cleaning mechanism. The setting of this mechanism facilitates the cleaning of the dirt on the surface of the trash rack, thereby ensuring the usage effect of the trash rack and avoiding the problem of increasing the labor intensity of workers by having to disassemble the trash rack for cleaning every time.

[0017] 3. The present invention provides a cleaning component. The setting of this component can improve the cleaning effect on the trash rack. Through the setting of gears and a flexible toothed belt, one motor can drive two cleaning brushes to rotate, thereby further improving the cleaning effect on the trash rack. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 is a perspective view of the present invention;

[0019] Figure 2 is a perspective sectional view of the trash rack installation mechanism of the present invention;

[0020] Figure 3 is an enlarged view of the fixing component of the present invention;

[0021] Figure 4 is a perspective view of the installation of multiple sets of trash racks of the present invention;

[0022] Figure 5 is a perspective view of the trash rack automatic cleaning mechanism of the present invention;

[0023] Figure 6 is a perspective sectional view of the trash rack automatic cleaning mechanism of the present invention;

[0024] Figure 7 is a perspective sectional view of the cleaning component of the present invention;

[0025] In the figure: 1. Support frame; 2. Automatic cleaning mechanism for trash rack; 21. Cleaning component; 211. Second cleaning brush; 212. Second gear; 213. Second rotating shaft; 214. Flexible toothed belt; 215. First rotating shaft; 216. Second waterproof motor; 217. Gear box; 218. First gear; 219. First cleaning brush; 22. L-shaped mounting plate; 23. Limit block; 24. Nut block; 25. Installation box; 26. First waterproof motor; 27. Limit groove; 28. Threaded rod; 3. Trash rack mounting mechanism; 31. Rotating shaft; 32. Fixed plate; 33. Fixing component; 331. Slide plate; 332. Spring; 333. Central rod; 334. Adjusting block; 335. Handle; 336. Adjusting groove; 337. Fixed block; 338. Fixing hole; 339. Fixed rod; 3310. Installation groove; 34. Chute; 35. Slide block; 4. First trash rack; 5. Second trash rack; 6. Third trash rack. Specific embodiments

[0026] 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. Based on the embodiments of the present invention, all other embodiments obtained by those of ordinary skill in the art without creative efforts shall fall within the protection scope of the present invention.

[0027] Embodiment 1

[0028] Please refer to Figure 1-7 , the present invention provides the following technical solutions: An easily cleanable trash rack for a hydropower station, including a support frame 1, a first trash rack 4 is arranged on one side inside the support frame 1, a second trash rack 5 is arranged at the central position inside the support frame 1, a third trash rack 6 is arranged on the other side inside the support frame 1, the grid slots of the first trash rack 4, the second trash rack 5 and the third trash rack 6 are arranged in a staggered manner, an automatic cleaning mechanism 2 for the trash rack is arranged at the upper end of the side of the support frame 1, and a trash rack mounting mechanism 3 is arranged at the upper end of the support frame 1.

[0029] Specifically, the trash rack mounting mechanism 3 includes a rotating shaft 31, a fixed plate 32 and a fixing component 33. A fixed plate 32 is arranged at the upper end of the support frame 1. One end of the fixed plate 32 is rotatably connected to the support frame 1 through the rotating shaft 31, and the other end of the fixed plate 32 is connected to the support frame 1 through the fixing component 33.

[0030] By adopting the above technical solutions, after the first trash rack 4, the second trash rack 5 and the third trash rack 6 are installed inside the support frame 1, the fixed plate 32 is driven by the rotating shaft 31 to cover the upper ends of the first trash rack 4, the second trash rack 5 and the third trash rack 6, and the other end of the fixed plate 32 is fixed by the fixing component 33. At this time, the stability of the device during use can be ensured.

[0031] Specifically, the fixing component 33 includes a sliding plate 331, a spring 332, a central rod 333, a fixing block 337, a fixing hole 338, a fixing rod 339 and a mounting groove 3310. An internal upper side of the side of the support frame 1 is provided with the mounting groove 3310. The sliding plate 331 is arranged inside the mounting groove 3310. A central rod 333 is arranged through the central position inside the sliding plate 331. A spring 332 is sleeved on the surface of the central rod 333 below the sliding plate 331. A fixing rod 339 is arranged on the upper side of the sliding plate 331. The other end side of the fixing plate 32 is provided with the fixing block 337. A fixing hole 338 corresponding to the fixing rod 339 is opened inside the fixing block 337.

[0032] By adopting the above technical solution, when fixing the fixing plate 32, press the fixing rod 339. The fixing rod 339 drives the sliding plate 331 to slide downward inside the mounting groove 3310 and drives the spring 332 on the surface of the central rod 333 to be compressed. When the fixing plate 32 is covered well, at this time, the spring 332 rebounds, thereby driving the fixing rod 339 to insert into the fixing hole 338 inside the fixing block 337 to realize the fixing of the fixing plate 32.

[0033] Specifically, the fixing component 33 further includes an adjusting block 334, a handle 335 and an adjusting groove 336. The adjusting block 334 is arranged on the side of the sliding plate 331. An adjusting groove 336 corresponding to the adjusting block 334 is opened on one side of the support frame 1. The handle 335 is arranged on the side of the adjusting block 334.

[0034] By adopting the above technical solution, when opening the fixing plate 32, hold the handle 335. The handle 335 drives the adjusting block 334 to slide inside the adjusting groove 336 and drives the sliding plate 331 to slide downward. The downward sliding of the sliding plate 331 drives the fixing rod 339 to slide out from the inside of the fixing hole 338, so that the fixing plate 32 can be opened.

[0035] Specifically, the trash rack mounting mechanism 3 further includes a chute 34 and a slider 35. Sliders 35 are arranged on the sides of the first trash rack 4, the second trash rack 5 and the third trash rack 6. A chute 34 corresponding to the slider 35 is opened on the inner wall of the support frame 1.

[0036] By adopting the above technical solution, when installing the first trash rack 4, the second trash rack 5 and the third trash rack 6, the sliders 35 on the sides of the first trash rack 4, the second trash rack 5 and the third trash rack 6 will be inserted into the inner chute 34 of the support frame 1, thereby improving the fixing effect of the first trash rack 4, the second trash rack 5 and the third trash rack 6.

[0037] When this embodiment is in use, after installing the trash rack one 4, the trash rack two 5, and the trash rack three 6 inside the support frame 1, the fixed plate 32 is driven by the rotating shaft 31 to cover the upper ends of the trash rack one 4, the trash rack two 5, and the trash rack three 6. When fixing the fixed plate 32, press the fixed rod 339. The fixed rod 339 drives the sliding plate 331 to slide downward inside the installation groove 3310, and drives the spring 332 on the surface of the central rod 333 to compress. When the fixed plate 32 is properly covered, the spring 332 rebounds at this time, thereby driving the fixed rod 339 to insert into the fixing hole 338 inside the fixing block 337 to achieve the fixation of the fixed plate 32. When opening the fixed plate 32, hold the handle 335. The handle 335 drives the adjusting block 334 to slide inside the adjusting groove 336, and drives the sliding plate 331 to slide downward. The downward sliding of the sliding plate 331 drives the fixed rod 339 to slide out from the inside of the fixing hole 338, so that the fixed plate 32 can be opened. When installing the trash rack one 4, the trash rack two 5, and the trash rack three 6, the sliders 35 on the sides of the trash rack one 4, the trash rack two 5, and the trash rack three 6 will be inserted into the internal sliding grooves 34 of the support frame 1, thereby improving the fixing effect of the trash rack one 4, the trash rack two 5, and the trash rack three 6.

[0038] Embodiment 2

[0039] The difference between this embodiment and Embodiment 1 is that the automatic trash rack cleaning mechanism 2 includes a cleaning component 21, an L-shaped mounting plate 22, a limiting block 23, a nut block 24, a mounting box 25, a waterproof motor one 26, and a threaded rod 28. An installation box 25 is fixed to the upper end of one side of the support frame 1. A waterproof motor one 26 is arranged on the side of the installation box 25. The output end of the waterproof motor one 26 is provided with a threaded rod 28. A nut block 24 is threadedly connected to the surface of the threaded rod 28. A limiting block 23 is arranged at the lower end of the nut block 24. An L-shaped mounting plate 22 is arranged at the lower end of the limiting block 23. A cleaning component 21 is arranged on the side of the L-shaped mounting plate 22.

[0040] By adopting the above technical solution, when cleaning the trash rack, turn on the waterproof motor one 26. The waterproof motor one 26 drives the threaded rod 28 to rotate through the output end. The rotation of the threaded rod 28 drives the nut block 24 to slide. The sliding of the nut block 24 drives the limiting block 23 to slide. The sliding of the limiting block 23 drives the L-shaped mounting plate 22 to slide. The sliding of the L-shaped mounting plate 22 drives the cleaning component 21 to clean the trash rack.

[0041] Specifically, the cleaning assembly 21 includes a second cleaning brush 211, a second gear 212, a second rotating shaft 213, a flexible toothed belt 214, a first rotating shaft 215, a waterproof motor two 216, a gear box 217, a first gear 218 and a first cleaning brush 219. A gear box 217 is fixed to one side of the L-shaped mounting plate 22, and a waterproof motor two 216 is provided on the other side of the L-shaped mounting plate 22. A first rotating shaft 215 is provided at the output end of the waterproof motor two 216, and a first cleaning brush 219 is provided at the other end of the first rotating shaft 215. A first gear 218 is provided on the surface of the first rotating shaft 215 inside the gear box 217. A flexible toothed belt 214 is meshed with the surface of the first gear 218. A second gear 212 is meshed with the surface of the other end of the flexible toothed belt 214. A second rotating shaft 213 is fixedly penetrated inside the second gear 212, and a second cleaning brush 211 is provided at the other end of the second rotating shaft 213.

[0042] By adopting the above technical solution, when the waterproof motor two 216 is turned on, the waterproof motor two 216 drives the first rotating shaft 215 to rotate through the output end. The rotation of the first rotating shaft 215 drives the first cleaning brush 219 to rotate, thereby cleaning the trash rack. The rotation of the first rotating shaft 215 drives the first gear 218 to rotate. The rotation of the first gear 218 drives the flexible toothed belt 214 to rotate. The rotation of the flexible toothed belt 214 drives the second gear 212 to rotate. The rotation of the second gear 212 drives the second rotating shaft 213 to rotate. The rotation of the second rotating shaft 213 drives the second cleaning brush 211 to rotate, thereby improving the cleaning effect on the trash rack.

[0043] Specifically, a limiting groove 27 corresponding to the limiting block 23 is opened at the lower end of the mounting box 25, and the external thread on the surface of the threaded rod 28 is only provided at the central position of the threaded rod 28.

[0044] By adopting the above technical solution, when the limiting block 23 slides, it simultaneously slides inside the limiting groove 27.

[0045] When this embodiment is in use, when cleaning the trash rack, the waterproof motor one 26 is turned on. The waterproof motor one 26 drives the threaded rod 28 to rotate through the output end. The rotation of the threaded rod 28 drives the nut block 24 to slide. The sliding of the nut block 24 drives the limiting block 23 to slide. The sliding of the limiting block 23 drives the L-shaped mounting plate 22 to slide. The waterproof motor two 216 is turned on. The waterproof motor two 216 drives the first rotating shaft 215 to rotate through the output end. The rotation of the first rotating shaft 215 drives the first cleaning brush 219 to rotate, thereby cleaning the trash rack. The rotation of the first rotating shaft 215 drives the first gear 218 to rotate. The rotation of the first gear 218 drives the flexible toothed belt 214 to rotate. The rotation of the flexible toothed belt 214 drives the second gear 212 to rotate. The rotation of the second gear 212 drives the second rotating shaft 213 to rotate. The rotation of the second rotating shaft 213 drives the second cleaning brush 211 to rotate, thereby improving the cleaning effect on the trash rack.

[0046] Working principle and usage process of the present invention: When the present invention is in use, after installing the trash rack I 4, trash rack II 5, and trash rack III 6 inside the support frame 1, the fixed plate 32 is driven by the rotating shaft 31 to cover the upper ends of the trash rack I 4, trash rack II 5, and trash rack III 6. When fixing the fixed plate 32, press the fixing rod 339, and the fixing rod 339 drives the sliding plate 331 to slide downward inside the installation groove 3310, and drives the spring 332 on the surface of the central rod 333 to compress. When the fixed plate 32 is covered well, at this time, the spring 332 rebounds, thereby driving the fixing rod 339 to insert into the fixing hole 338 inside the fixing block 337 to achieve the fixation of the fixed plate 32. When opening the fixed plate 32, hold the handle 335, the handle 335 drives the adjusting block 334 to slide inside the adjusting groove 336, and drives the sliding plate 331 to slide downward. The downward sliding of the sliding plate 331 drives the fixing rod 339 to slide out from the inside of the fixing hole 338, so that the fixed plate 32 can be opened. When installing the trash rack I 4, trash rack II 5, and trash rack III 6, the sliders 35 on the sides of the trash rack I 4, trash rack II 5, and trash rack III 6 will insert into the internal sliding grooves 34 of the support frame 1, thereby improving the fixing effect of the trash rack I 4, trash rack II 5, and trash rack III 6; when cleaning the trash rack, turn on the waterproof motor I 26, the waterproof motor I 26 drives the threaded rod 28 to rotate through the output end, the rotation of the threaded rod 28 drives the nut block 24 to slide, the sliding of the nut block 24 drives the limiting block 23 to slide, and the sliding of the limiting block 23 drives the L-shaped mounting plate 22 to slide. Turn on the waterproof motor II 216, the waterproof motor II 216 drives the rotating shaft I 215 to rotate through the output end, the rotation of the rotating shaft I 215 drives the cleaning brush I 219 to rotate, thereby cleaning the trash rack. The rotation of the rotating shaft I 215 drives the gear I 218 to rotate, the rotation of the gear I 218 drives the flexible toothed belt 214 to rotate, the rotation of the flexible toothed belt 214 drives the gear II 212 to rotate, and the rotation of the gear II 212 drives the rotating shaft II 213 to rotate, and the rotation of the rotating shaft II 213 drives the cleaning brush II 211 to rotate, thereby improving the cleaning effect on the trash rack.

[0047] Although the embodiments of the present invention have been shown and described, for those of ordinary skill in the art, it can be understood that various changes, modifications, substitutions, and variations can be made to these embodiments without departing from the principle and spirit of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. An easy-to-clean trash rack for a hydropower station, comprising a support frame (1), a trash rack 1 (4) being arranged on one side of the interior of the support frame (1), a trash rack 2 (5) being arranged at the center of the interior of the support frame (1), and a trash rack 3 (6) being arranged on the other side of the interior of the support frame (1), the grille slots of the trash rack 1 (4), the trash rack 2 (5) and the trash rack 3 (6) being arranged in a staggered distribution, characterized in that: An automatic trash rack cleaning mechanism (2) is arranged at the upper end of the side of the support frame (1), and a trash rack mounting mechanism (3) is arranged at the upper end of the support frame (1).

2. An easy-to-clean trash rack for a hydropower station according to claim 1, characterized in that: The trash rack mounting mechanism (3) comprises a rotating shaft (31), a fixing plate (32) and a fixing assembly (33); the fixing plate (32) is arranged at the upper end of the supporting frame (1); one end of the fixing plate (32) is rotatably connected to the supporting frame (1) via the rotating shaft (31); and the other end of the fixing plate (32) is connected to the supporting frame (1) via the fixing assembly (33).

3. An easy-to-clean trash rack for a hydropower station according to claim 2, characterized in that: The fixing assembly (33) comprises a slide plate (331), a spring (332), a center rod (333), a fixing block (337), a fixing hole (338), a fixing rod (339) and a mounting groove (3310); the mounting groove (3310) is provided inside the upper end of the side of the support frame (1); the slide plate (331) is provided inside the mounting groove (3310); the center rod (333) is provided through the center position of the slide plate (331); the surface of the center rod (333) is located at the lower end of the slide plate (331) and is sleeved with a spring (332); the fixing rod (339) is provided on the side of the upper end of the slide plate (331); the fixing block (337) is provided on the side of the other end of the fixing plate (32); the fixing hole (338) corresponding to the fixing rod (339) is provided inside the fixing block (337).

4. An easy-to-clean trash rack for a hydropower station according to claim 3, characterized in that: The fixing assembly (33) further comprises an adjustment block (334), a handle (335) and an adjustment slot (336); the side of the slide plate (331) is provided with an adjustment block (334); one side of the support frame (1) is provided with an adjustment slot (336) corresponding to the adjustment block (334); and the side of the adjustment block (334) is provided with a handle (335).

5. An easy-to-clean trash rack for a hydropower station according to claim 1, characterized in that: The trash rack installation mechanism (3) further comprises a slide groove (34) and a slider (35); the sides of the trash rack 1 (4), the trash rack 2 (5) and the trash rack 3 (6) are all provided with a slider (35); and the inner wall of the support frame (1) is provided with a slide groove (34) corresponding to the slider (35).

6. An easy-to-clean trash rack for a hydropower station according to claim 1, characterized in that: The trash rack automatic cleaning mechanism (2) comprises a cleaning assembly (21), an L-shaped mounting plate (22), a limit block (23), a nut block (24), a mounting box (25), a waterproof motor (26) and a threaded rod (28); the mounting box (25) is fixed to the upper end of one side of the support frame (1); the side of the mounting box (25) is provided with a waterproof motor (26); the output end of the waterproof motor (26) is provided with a threaded rod (28); the surface of the threaded rod (28) is threadedly connected with the nut block (24); the lower end of the nut block (24) is provided with a limit block (23); the lower end of the limit block (23) is provided with an L-shaped mounting plate (22); and the side of the L-shaped mounting plate (22) is provided with the cleaning assembly (21).

7. An easy-to-clean trash rack for a hydropower station according to claim 6, characterized in that: The cleaning assembly (21) comprises a second cleaning brush (211), a second gear (212), a second rotating shaft (213), a flexible toothed belt (214), a first rotating shaft (215), a second waterproof motor (216), a gear box (217), a first gear (218) and a first cleaning brush (219); the gear box (217) is fixed to one side of the L-shaped mounting plate (22); the second waterproof motor (216) is arranged on the other side of the L-shaped mounting plate (22); and the output end of the second waterproof motor (216) is provided with the first rotating shaft (21 5), a cleaning brush 1 (219) is arranged at the other end of the rotating shaft 1 (215), a gear 1 (218) is arranged inside the gear box (217) on the surface of the rotating shaft 1 (215), a flexible toothed belt (214) is meshedly connected to the surface of the gear 1 (218), a gear 2 (212) is meshedly connected to the other end surface of the flexible toothed belt (214), a rotating shaft 2 (213) is fixedly passed through the interior of the gear 2 (212), and a cleaning brush 2 (211) is arranged at the other end of the rotating shaft 2 (213).

8. An easy-to-clean trash rack for a hydropower station according to claim 6, characterized in that: A limiting groove (27) corresponding to the limiting block (23) is provided at the lower end of the installation box (25), and the external thread on the surface of the threaded rod (28) is only arranged at the center position of the threaded rod (28).

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