Dam maintenance device for water conservancy management

Abstract

A dam maintenance device for water conservancy management comprises a dam, a mounting plate, a corrugated sleeve, a maintenance plate, a fixing mechanism and a buffer mechanism, sleeves are inserted into the four corners of the mounting plate, the fixing mechanism penetrates through the sleeves, the mounting plate is arranged on the slope of the dam through the fixing mechanism, and the corrugated sleeve is arranged between the mounting plate and the maintenance plate. One end of the corrugated sleeve is fixedly connected with the top surface of the mounting plate, the other end of the corrugated sleeve is fixedly connected with the bottom surface of the maintenance plate, and the buffer mechanism is arranged between the mounting plate and the maintenance plate and detachably connected with the mounting plate and the maintenance plate. According to the dam maintenance device for water conservancy management, the corrugated sleeve is arranged between the mounting plate and the maintenance plate, and the two ends of the corrugated sleeve are attached to the top face of the mounting plate and the bottom face of the maintenance plate respectively, so that the situation that the buffering effect is affected due to corrosion caused by the fact that the buffering mechanism makes contact with water waves for a long time is prevented.

Description

Technical Field

[0001] The utility model relates to the technical field of dam maintenance, and more specifically, particularly to a dam maintenance device for water conservancy management. Background Art

[0002] Water conservancy management is the work of utilizing, protecting and operating developed water sources, water areas and water conservancy engineering facilities. In water conservancy management, it is usually necessary to carry out maintenance work on the dams when the river flood season comes, so as to protect the dams from the beating of waves and reduce the impact and wear on them, so as to ensure that the overall performance of the dam is not greatly affected.

[0003] The patent with authorization announcement number CN218508353U discloses a dam maintenance device for water conservancy management, including: a mounting plate, a plurality of fixed tubes fixedly mounted on the mounting plate, a plurality of sliding plates slidably mounted in the plurality of fixed tubes, a plurality of buffer springs fixedly mounted on the bottoms of the plurality of sliding plates, and a plurality of buffer springs fixedly connected to the corresponding fixed tubes, a plurality of connecting rods fixedly mounted on the tops of the plurality of sliding plates, and the tops of a plurality of connecting rods extend outside the fixed tubes, and a plurality of buffer plates fixedly mounted on the tops of the plurality of fixed tubes. This patent can prevent the buffer plate from being carried away from the dam body when flood water flows back, but the buffer mechanism between the mounting plate and the buffer plate in this patent is not provided with waterproof measures, and is prone to rust due to long-term contact with water waves, which leads to poor buffering effect. Utility Model Content

[0004] The utility model aims to provide a dam maintenance device for water conservancy management to prevent the buffer mechanism from rusting due to long-term contact with water waves, resulting in poor buffering effect.

[0005] A dam maintenance device for water conservancy management comprises a dam, a mounting plate, a corrugated sleeve, a maintenance plate, a fixing mechanism and a buffer mechanism, wherein sleeves are inserted at the four corners of the mounting plate, the fixing mechanism penetrates the sleeves and the mounting plate is arranged on the inclined surface of the dam through the fixing mechanism, the corrugated sleeve is arranged between the mounting plate and the maintenance plate, one end of the corrugated sleeve is fixedly connected to the top surface of the mounting plate, and the other end of the corrugated sleeve is fixedly connected to the bottom surface of the maintenance plate, and the buffer mechanism is arranged between the mounting plate and the maintenance plate and is detachably connected to the mounting plate and the maintenance plate.

[0006] Furthermore, the fixing mechanism includes a fixing nail, a pressure plate and a reinforcement component. One end of the fixing nail passes through the casing and is inserted into the inside of the dam. The pressure plate is fixedly connected to the other end of the fixing nail and contacts the top surface of the casing. The reinforcement component is arranged in the fixing nail.

[0007] Furthermore, the fixing mechanism also includes a positioning screw and a positioning nut. Several positioning screws are fixedly arranged on the top surface of the sleeve. The end of the positioning screw away from the sleeve passes through the pressure plate. The positioning nut is sleeved on the part of the positioning screw passing through the pressure plate, and the bottom surface of the positioning nut is in contact with the top surface of the pressure plate.

[0008] Furthermore, the reinforcement component includes a sliding frame, a threaded rod and a reinforcement nail, a cavity is opened inside the fixing nail, the sliding frame is fixedly arranged on the inner wall of the cavity, the threaded rod is inserted into the sliding frame and is rotatably connected to the sliding frame, one end of the reinforcement nail is sleeved on the threaded rod and is threadedly connected to the threaded rod, a first slider is fixedly arranged on one end of the reinforcement nail close to the threaded rod, the first slider is inserted into the sliding frame and slides along the sliding frame, and the other end of the reinforcement nail passes through the side wall of the fixing nail and is inserted into the inside of the dam.

[0009] Furthermore, the reinforcement component also includes a connecting rod, a first bevel gear and a second bevel gear. The connecting rod is inserted into the cavity and is rotatably connected to the fixing pin. A plurality of first bevel gears are fixedly arranged on the connecting rod at equal distances. The threaded rod passes through one end of the sliding frame close to the connecting rod. The second bevel gear is fixedly arranged on the part of the threaded rod passing through the sliding frame. The first bevel gear and the second bevel gear are meshed with each other.

[0010] Furthermore, a groove is provided inside the fixing nail, one end of the connecting rod passes through the groove and a motor for rotating the connecting rod is fixedly arranged thereon.

[0011] Furthermore, the buffer mechanism includes a fixed frame, a buffer block, a first connecting screw and a second connecting screw. A first connecting plate is fixedly provided at the bottom end of the fixed frame. The first connecting screw passes through the four corners of the first connecting plate and is inserted into the interior of the mounting plate. A second slider is fixedly provided at one end of the buffer block. The second slider is inserted into the fixed frame and slides along the fixed frame. The other end of the buffer block passes through the top of the fixed frame and is fixedly provided with a second connecting plate. The second connecting screw passes through the four corners of the second connecting plate and is inserted into the interior of the maintenance plate.

[0012] Furthermore, the buffer mechanism also includes a spring, one end of the spring is fixedly connected to the inner wall of the fixed frame, and the other end of the spring is fixedly connected to the bottom surface of the second sliding block.

[0013] Furthermore, a limiting block is fixedly provided on the side wall of the second sliding block, a limiting groove is provided at a position where the inner wall of the fixed frame contacts the limiting block, and the limiting block is inserted into the limiting groove and slides along the limiting groove.

[0014] Furthermore, it also includes water-blocking strips, and a plurality of water-blocking strips are fixedly arranged on the top surface of the maintenance plate at equal distances.

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

[0016] ① The dam maintenance device for water conservancy management provided by the utility model is provided with a corrugated sleeve, which is arranged between the mounting plate and the maintenance plate, and the two ends of the corrugated sleeve are respectively in contact with the top surface of the mounting plate and the bottom surface of the maintenance plate, so as to prevent the buffer mechanism from being in contact with water waves for a long time, causing rust and affecting the buffer effect.

[0017] ② The dam maintenance device for water conservancy management provided by the utility model is provided with a positioning screw and a positioning nut, which cooperate with each other to fix the position between the fixing nail and the mounting plate, thereby improving the stability of the device.

[0018] ③ The dam maintenance device for water conservancy management provided by the utility model, by setting reinforcement nails, the sliding frame and the threaded rod are used in combination to insert the reinforcement nails into the inside of the dam, thereby preventing the mounting plate from falling off the inclined surface of the dam and improving the stability of the device. BRIEF DESCRIPTION OF THE DRAWINGS

[0019] The accompanying drawings are used to provide a further understanding of the present invention and constitute a part of the specification. Together with the embodiments of the present invention, they are used to explain the present invention and do not constitute a limitation of the present invention. In the accompanying drawings:

[0020] Figure 1 It is a schematic diagram of the overall structure of a dam maintenance device for water conservancy management in the utility model.

[0021] Figure 2 It is a cross-sectional view of the internal structure of the dam maintenance device for water conservancy management in the utility model.

[0022] Figure 3 It is a specific structural schematic diagram of the fixing mechanism in the utility model.

[0023] Figure 4 It is an enlarged view of point A in the present utility model.

[0024] Figure 5 It is a specific structural schematic diagram of the buffer mechanism in the utility model.

[0025] In the figure: 1. dam; 2. mounting plate; 3. corrugated sleeve; 4. maintenance plate; 5. casing; 6. fixing nail; 7. pressure plate; 8. positioning screw; 9. positioning nut; 10. sliding frame; 11. threaded rod; 12. reinforcement nail; 13. cavity; 14. first slider; 15. connecting rod; 16. first bevel gear; 17. second bevel gear; 18. groove; 19. motor; 20. fixing frame; 21. buffer block; 22. first connecting screw; 23. second connecting screw; 24. first connecting plate; 25. second slider; 26. second connecting plate; 27. spring; 28. limit block; 29. ​​limit groove; 30. water blocking strip. DETAILED DESCRIPTION

[0026] The following will be combined with the drawings in the embodiments of the utility model to clearly and completely describe the technical solutions in the embodiments of the utility model. Obviously, the described embodiments are only part of the embodiments of the utility model, not all of the embodiments. Based on the embodiments in the utility model, all other embodiments obtained by ordinary technicians in this field without creative work are within the scope of protection of the utility model.

[0027] like Figure 1 , Figure 2 As shown, a dam maintenance device for water conservancy management includes a dam 1, a mounting plate 2, a corrugated sleeve 3, a maintenance plate 4, a fixing mechanism and a buffer mechanism. Sleeves 5 are inserted at the four corners of the mounting plate 2. The fixing mechanism penetrates the sleeve 5 and the mounting plate 2 is arranged on the inclined surface of the dam 1 through the fixing mechanism. The corrugated sleeve 3 is arranged between the mounting plate 2 and the maintenance plate 4. One end of the corrugated sleeve 3 is fixedly connected to the top surface of the mounting plate 2, and the other end of the corrugated sleeve 3 is fixedly connected to the bottom surface of the maintenance plate 4. The buffer mechanism is arranged between the mounting plate 2 and the maintenance plate 4 and is connected to the mounting plate 2 and the maintenance plate 4. The plate 4 is detachably connected, specifically, sleeves are inserted at the four corners of the mounting plate 2, the sleeves are welded to the mounting plate 2, the fixing mechanism passes through the sleeve 5 and the mounting plate 2 is arranged on the inclined surface of the dam 1 through the fixing mechanism, the corrugated sleeve 3 is arranged between the mounting plate 2 and the maintenance plate 4, preferably the corrugated sleeve 3 is made of rubber, the bottom surface of the corrugated sleeve 3 is attached to the top surface of the mounting plate 2 and fixed, the top surface of the corrugated sleeve 3 is attached to the bottom surface of the maintenance plate 4 and fixed, the buffer mechanism is arranged between the mounting plate 2 and the guard plate and is detachably connected to the mounting plate 2 and the maintenance plate 4.

[0028] In the utility model, by setting the corrugated sleeve 3, the corrugated sleeve 3 is set between the mounting plate 2 and the maintenance plate 4, and the two ends of the corrugated sleeve 3 are respectively in contact with the top surface of the mounting plate 2 and the bottom surface of the maintenance plate 4, so as to prevent the buffer mechanism from being in contact with water waves for a long time, causing rust and affecting the buffer effect.

[0029] like Figure 3 The fixing mechanism includes a fixing nail 6, a pressure plate 7 and a reinforcement component. One end of the fixing nail 6 passes through the sleeve 5 and is inserted into the inside of the dam 1. The pressure plate 7 is fixedly connected to the other end of the fixing nail 6 and contacts the top surface of the sleeve 5. The reinforcement component is arranged in the fixing nail 6. Specifically, one end of the fixing nail 6 passes through the sleeve 5 and is inserted into the inside of the dam 1. The pressure plate 7 is welded to the other end of the fixing nail 6, and the bottom surface of the pressure plate 7 contacts the top surface of the sleeve 5. The reinforcement component is arranged in the fixing nail 6.

[0030] The fixing mechanism also includes a positioning screw 8 and a positioning nut 9. Several positioning screws 8 are fixedly arranged on the top surface of the sleeve 5. The end of the positioning screw 8 away from the sleeve 5 passes through the pressure plate 7. The positioning nut 9 is sleeved on the part of the positioning screw 8 passing through the pressure plate 7. The bottom surface of the positioning nut 9 contacts the top surface of the pressure plate 7. Specifically, several positioning screws 8 are welded to the top surface of the sleeve 5. The end of the positioning screw 8 away from the sleeve 5 passes through the pressure plate 7. The positioning nut 9 is sleeved on the part of the positioning screw 8 passing through the pressure plate 7 and is threadedly connected to the positioning screw 8. The top surface of the positioning nut 9 contacts the top surface of the pressure plate 7.

[0031] In the present invention, a positioning screw 8 and a positioning nut 9 are provided, which cooperate with each other to fix the position between the fixing nail 6 and the mounting plate 2, thereby improving the stability of the device.

[0032] like Figure 4 As shown, the reinforcement assembly includes a sliding frame 10, a threaded rod 11 and a reinforcement nail 12. A cavity 13 is opened inside the fixing nail 6. The sliding frame 10 is fixedly arranged on the inner wall of the cavity 13. The threaded rod 11 is inserted into the sliding frame 10 and is rotatably connected to the sliding frame 10. One end of the reinforcement nail 12 is sleeved on the threaded rod 11 and is threadedly connected to the threaded rod 11. A first slider 14 is fixedly arranged on one end of the reinforcement nail 12 close to the threaded rod 11. The first slider 14 is inserted into the sliding frame 10 and slides along the sliding frame 10. The other end of the reinforcement nail 12 penetrates the side wall of the fixing nail 6 and is inserted into the inside of the dam 1. The structure is as follows: a cavity 13 is opened inside the fixing nail 6, four sliding frames 10 are welded to the inner wall of the cavity 13 in an alternating manner, a threaded rod 11 is inserted into the sliding frame 10 and is rotatably connected to the sliding frame 10, an internal thread is provided inside the reinforcing nail 12, one end of the reinforcing nail 12 is sleeved on the threaded rod 11 and is threadedly connected to the threaded rod 11 through the internal thread, a first slider 14 is welded to one end of the reinforcing nail 12 close to the threaded rod 11, the first slider 14 is inserted into the sliding frame 10 and slides along the sliding frame 10, and the other end of the reinforcing nail 12 passes through the side wall of the fixing nail 6 and is inserted into the interior of the dam 1.

[0033] In the present invention, by providing a reinforcing nail 12, the slide frame 10 and the threaded rod 11 are used in conjunction to insert the reinforcing nail 12 into the dam 1, thereby preventing the mounting plate 2 from falling off the inclined surface of the dam 1 and improving the stability of the device.

[0034] The reinforcement assembly also includes a connecting rod 15, a first bevel gear 16 and a second bevel gear 17. The connecting rod 15 is inserted in the cavity 13 and is rotatably connected to the fixing nail 6. Several first bevel gears 16 are fixedly arranged on the connecting rod 15 at equal distances. The threaded rod 11 passes through the end of the sliding frame 10 close to the connecting rod 15. The second bevel gear 17 is fixedly arranged on the part of the threaded rod 11 that passes through the sliding frame 10. The first bevel gear 16 and the second bevel gear 17 are meshed with each other. Specifically, the connecting rod 15 is inserted in the cavity 13 and is rotatably connected to the inside of the fixing nail 6. Several first bevel gears 16 are equidistantly sleeved on the connecting rod 15 and welded to the connecting rod 15. The threaded rod 11 passes through the end of the sliding frame 10 close to the connecting rod 15. The second bevel gear 17 is welded to the part of the threaded rod 11 that passes through the sliding frame 10. The first bevel gear 16 and the second bevel gear 17 are meshed with each other.

[0035] A groove 18 is provided inside the fixing nail 6, one end of the connecting rod 15 passes through the groove 18 and is fixedly provided with a motor 19 for rotating the connecting rod 15. Preferably, the motor 19 has a self-locking function, which is specifically manifested in that a groove 18 is provided inside the fixing nail 6, the motor 19 is fixed in the groove 18 through a motor seat, and one end of the connecting rod 15 passes through the groove 18 and is connected and fixed to the output shaft of the motor 19.

[0036] like Figure 5 As shown, the buffer mechanism includes a fixed frame 20, a buffer block 21, a first connecting screw 22 and a second connecting screw 23. The bottom end of the fixed frame 20 is fixedly provided with a first connecting plate 24. The first connecting screw 22 passes through the four corners of the first connecting plate 24 and is inserted into the interior of the mounting plate 2. One end of the buffer block 21 is fixedly provided with a second slider 25. The second slider 25 is inserted into the fixed frame 20 and slides along the fixed frame 20. The other end of the buffer block 21 passes through the top of the fixed frame 20 and is fixedly provided with a second connecting plate 26. The second connecting screw 23 passes through the second connecting The plate 26 is inserted into the maintenance plate 4 at the four corners, specifically, the bottom end of the fixed frame 20 is welded with a first connecting plate 24, the first connecting screw 22 passes through the four corners of the first connecting plate 24 and is inserted into the interior of the mounting plate 2, one end of the buffer block 21 is welded with a second slider 25, the second slider 25 is inserted into the fixed frame 20 and slides along the fixed frame 20, the other end of the buffer block 21 passes through the top of the fixed frame 20 and is welded with a second connecting plate 26, the second connecting screw 23 passes through the four corners of the second connecting plate 26 and is inserted into the interior of the maintenance plate 4.

[0037] The buffer mechanism also includes a spring 27, one end of which is fixedly connected to the inner wall of the fixed frame 20, and the other end of the spring 27 is fixedly connected to the bottom surface of the second slider 25. Specifically, one end of the spring 27 is welded to the inside of the fixed frame 20, and the other end of the spring 27 is welded to the bottom surface of the second slider 25.

[0038] A limiting block 28 is fixedly provided on the side wall of the second slider 25, and a limiting groove 29 is provided at the position where the inner wall of the fixed frame 20 contacts the limiting block 28. The limiting block 28 is inserted in the limiting groove 29 and slides along the limiting groove 29. Specifically, the limiting blocks 28 are welded at the center positions of the four side walls of the second slider 25, and a limiting groove 29 is provided at the position where the inner wall of the fixed frame 20 contacts the limiting block 28. The limiting block 28 is inserted in the limiting groove 29 and slides along the limiting groove 29.

[0039] It also includes water blocking strips 30 , and a plurality of water blocking strips 30 are fixedly arranged at equal distances on the top surface of the maintenance plate 4 . Specifically, a plurality of water blocking strips 30 are welded at equal distances on the top surface of the maintenance plate 4 .

[0040] The working principle of the dam maintenance device for water conservancy management in this embodiment is:

[0041] The fixing nail 6 passes through the sleeve 5 and is inserted into the inside of the dam 1 until the positioning screw 8 passes through the pressure plate 7, and the bottom surface of the pressure plate 7 contacts the top surface of the sleeve 5. The motor 19 rotates the output shaft, the connecting shaft rotates with the output shaft, the first bevel gear 16 rotates with the connecting shaft, the second bevel gear 17 rotates with the first bevel gear 16, the threaded rod 11 rotates with the second bevel gear 17, and the first slider 14 rotates with the threaded rod 11 and slides along the slide frame 10. The reinforcement nail 12 extends out of the side wall of the fixing nail 6 under the action of the first slider 14 and the threaded rod 11 and is inserted into the inside of the dam 1. The fixing frame 20 is threadedly connected to the mounting plate 2 through the first connecting plate 24 and the first connecting screw 22. The buffer block 21 is threadedly connected to the maintenance plate 4 through the second connecting plate 26 and the second connecting screw 23. The corrugated sleeve 3 is sleeved between the mounting plate 2 and the maintenance plate 4, and the bottom surface of the corrugated sleeve 3 is attached to the top surface of the mounting plate 2 and fixed, and the top surface of the corrugated sleeve 3 is attached to the bottom surface of the maintenance plate 4 and fixed.

[0042] Finally, it should be noted that the above description is only a preferred embodiment of the utility model and is not intended to limit the utility model. Although the utility model is described in detail with reference to the above embodiments, those skilled in the art can still modify the technical solutions recorded in the above embodiments or replace some of the technical features therein by equivalents. Any modification, equivalent replacement, improvement, etc. made within the spirit and principle of the utility model shall be included in the protection scope of the utility model.

Claims

1. A dam maintenance device for water conservancy management, characterized in that: The invention comprises a dam (1), a mounting plate (2), a corrugated sleeve (3), a maintenance plate (4), a fixing mechanism and a buffer mechanism. The mounting plate (2) is provided with sleeves (5) at four corners. The fixing mechanism penetrates the sleeves (5) and the mounting plate (2) is arranged on the inclined surface of the dam (1) through the fixing mechanism. The corrugated sleeve (3) is arranged between the mounting plate (2) and the maintenance plate (4). One end of the corrugated sleeve (3) is fixedly connected to the top surface of the mounting plate (2), and the other end of the corrugated sleeve (3) is fixedly connected to the bottom surface of the maintenance plate (4). The buffer mechanism is arranged between the mounting plate (2) and the maintenance plate (4) and is detachably connected to the mounting plate (2) and the maintenance plate (4).

2. A dam maintenance device for water conservancy management according to claim 1, characterized in that: The fixing mechanism comprises a fixing nail (6), a pressure plate (7) and a reinforcement component. One end of the fixing nail (6) passes through the sleeve (5) and is inserted into the interior of the dam (1). The pressure plate (7) is fixedly connected to the other end of the fixing nail (6) and contacts the top surface of the sleeve (5). The reinforcement component is arranged inside the fixing nail (6).

3. A dam maintenance device for water conservancy management according to claim 2, characterized in that: The fixing mechanism also includes a positioning screw (8) and a positioning nut (9). A plurality of the positioning screws (8) are fixedly arranged on the top surface of the sleeve (5). One end of the positioning screw (8) away from the sleeve (5) passes through the pressure plate (7). The positioning nut (9) is sleeved on the portion of the positioning screw (8) passing through the pressure plate (7). The bottom surface of the positioning nut (9) is in contact with the top surface of the pressure plate (7).

4. A dam maintenance device for water conservancy management according to claim 2, characterized in that: The reinforcement component comprises a sliding frame (10), a threaded rod (11) and a reinforcement nail (12); a cavity (13) is provided inside the fixing nail (6); the sliding frame (10) is fixedly arranged on the inner wall of the cavity (13); the threaded rod (11) is inserted into the sliding frame (10) and is rotatably connected to the sliding frame (10); one end of the reinforcement nail (12) is sleeved on the threaded rod (11) and is threadedly connected to the threaded rod (11); a first sliding block (14) is fixedly arranged at one end of the reinforcement nail (12) close to the threaded rod (11); the first sliding block (14) is inserted into the sliding frame (10) and slides along the sliding frame (10); the other end of the reinforcement nail (12) passes through the side wall of the fixing nail (6) and is inserted into the interior of the dam (1).

5. A dam maintenance device for water conservancy management according to claim 4, characterized in that: The reinforcement component also includes a connecting rod (15), a first bevel gear (16) and a second bevel gear (17); the connecting rod (15) is inserted into the cavity (13) and is rotatably connected to the fixing nail (6); a plurality of the first bevel gears (16) are fixedly arranged on the connecting rod (15) at equal distances; the threaded rod (11) passes through one end of the sliding frame (10) close to the connecting rod (15); the second bevel gear (17) is fixedly arranged on a portion of the threaded rod (11) passing through the sliding frame (10); and the first bevel gear (16) and the second bevel gear (17) are meshed with each other.

6. A dam maintenance device for water conservancy management according to claim 5, characterized in that: A groove (18) is provided inside the fixing nail (6), one end of the connecting rod (15) passes through the groove (18) and a motor (19) for rotating the connecting rod (15) is fixedly provided thereon.

7. A dam maintenance device for water conservancy management according to claim 1, characterized in that: The buffer mechanism comprises a fixed frame (20), a buffer block (21), a first connecting screw (22) and a second connecting screw (23); a first connecting plate (24) is fixedly arranged at the bottom end of the fixed frame (20); the first connecting screw (22) passes through the four corners of the first connecting plate (24) and is inserted into the interior of the mounting plate (2); a second sliding block (25) is fixedly arranged at one end of the buffer block (21); the second sliding block (25) is inserted into the fixed frame (20) and slides along the fixed frame (20); the other end of the buffer block (21) passes through the top end of the fixed frame (20) and is fixedly arranged with a second connecting plate (26); the second connecting screw (23) passes through the four corners of the second connecting plate (26) and is inserted into the interior of the maintenance plate (4).

8. A dam maintenance device for water conservancy management according to claim 7, characterized in that: The buffer mechanism also includes a spring (27), one end of the spring (27) is fixedly connected to the inner wall of the fixed frame (20), and the other end of the spring (27) is fixedly connected to the bottom surface of the second sliding block (25).

9. A dam maintenance device for water conservancy management according to claim 7, characterized in that: A limit block (28) is fixedly arranged on the side wall of the second sliding block (25); a limit groove (29) is provided at a position where the inner wall of the fixed frame (20) contacts the limit block (28); and the limit block (28) is inserted into the limit groove (29) and slides along the limit groove (29).

10. A dam maintenance device for water conservancy management according to claim 1, characterized in that: It also comprises water blocking strips (30), wherein a plurality of the water blocking strips (30) are fixedly arranged at equal distances on the top surface of the maintenance plate (4).

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