Water drainage filter screen for water conservancy and hydropower engineering

Abstract

The utility model relates to the technical field of drainage filter screens, in particular to a water conservancy and hydropower engineering drainage filter screen which comprises a filter screen plate, connecting lug plates are fixedly connected to the two sides of the filter screen plate, lead screws are fixedly connected to the tops and the bottoms of the opposite side faces of the two connecting lug plates, and a sliding frame is arranged on the outer walls of the two lead screws jointly. A second threaded sleeve and a first threaded sleeve are rotationally connected to the centers of the top and the bottom of the sliding frame correspondingly. The device has the advantages that the servo motor drives the driving belt wheel to rotate, the transmission belt is driven to rotate through transmission of the transmission belt, then the second threaded sleeve is driven to rotate, the first threaded sleeve is driven to rotate synchronously through transmission of the transmission belt, and the sliding frame is driven to slide left and right; during sliding, the second threaded sleeve and the first threaded sleeve rotate to drive the conveying belt to convey and rotate, a plurality of brushes are driven to brush the outer wall of the filter screen plate, the outer wall of the filter screen plate is cleaned, and the cleaning effect can be improved through a brushing mode.

Description

Technical Field

[0001] The utility model relates to the technical field of drainage filter nets, in particular to a drainage filter net for water conservancy and hydropower engineering. Background Art

[0002] Water conservancy and hydropower engineering mainly studies the basic knowledge and skills of water resources, hydraulic structures, hydraulics and fluid dynamics, and water conservancy engineering technology, and conducts survey, planning, design, construction, and management of water conservancy and hydropower engineering. For example: the construction of hydraulic structures such as hydropower stations, dams, and gates, and the design of river management projects. In the application of water conservancy and hydropower engineering, filters are often installed on drainage pipes to filter drainage and sewage, so that the filters can block debris in the water.

[0003] In Chinese utility model CN220385894U, a water conservancy and hydropower engineering drainage filter is disclosed. The water conservancy and hydropower engineering drainage filter can be installed inside the drain pipe under the action of a fixing component, so that the filter can block debris when the drain pipe is draining water. The filter can be knocked by a knocking mechanism, so that the filter can be cleaned to prevent debris from clogging the filter holes and improve the filtering effect of the filter. However, the water conservancy and hydropower engineering drainage filter still has the following problems in use:

[0004] The drainage filter of the water conservancy and hydropower project cleans impurities on the surface of the filter by knocking and vibrating. However, the garbage in the water contains moisture and will adhere to the surface of the filter, making it difficult to clean it effectively and comprehensively by vibration alone. Utility Model Content

[0005] The purpose of the present invention is to solve at least one of the above technical deficiencies.

[0006] Therefore, one purpose of the utility model is to provide a drainage filter screen for water conservancy and hydropower engineering to solve the problems mentioned in the background technology and overcome the deficiencies in the prior art.

[0007] In order to achieve the above-mentioned purpose, an embodiment of the present invention provides a drainage filter screen for water conservancy and hydropower projects, including a filter screen plate, both sides of the filter screen plate are fixedly connected with connecting ear plates, the top and bottom of the two connecting ear plates facing each other are fixedly connected with screws, and the outer walls of the two screws are jointly provided with a sliding frame, and the centers of the top and bottom of the sliding frame are respectively rotatably connected with a second threaded sleeve and a first threaded sleeve, and the parts of the second threaded sleeve and the first threaded sleeve located on the inner wall of the sliding frame are fixedly connected with a transmission pulley, and the outer walls of the two transmission pulleys are jointly transmission-connected with a conveyor belt, and the outer wall of the conveyor belt is fixedly connected with a plurality of bristles, and the plurality of bristles are in contact with the surface of the filter screen plate, the top of the sliding frame is fixedly connected with a servo motor, and the output end of the servo motor is fixedly connected with a driving pulley, and one side of the outer wall of the second threaded sleeve is fixedly connected with a driven pulley, and the driving pulley and the outer wall of the driven pulley are jointly transmission-connected with a transmission belt.

[0008] Preferably, in any of the above schemes, the length of the two lead screws is matched with the width of the filter screen plate, and the distance between the two lead screws is matched with the height of the filter screen plate.

[0009] The technical effect achieved by adopting the above scheme is that the conveyor belt and the bristles can completely clean the surface of the filter screen plate.

[0010] Preferably, any of the above schemes has a width of the conveyor belt that matches the width of the inner wall of the sliding frame, and an upper and lower distribution length of the conveyor belt that matches the height of the filter screen plate.

[0011] The technical effect achieved by adopting the above scheme is: the cleaning width of the conveyor belt and the brush bristles is adapted to the width of the sliding frame.

[0012] Preferably, any of the above schemes is that the length of some of the bristles is greater than the distance between the outer wall of the conveyor belt and the filter screen, and some of the bristles are evenly fixed to the outer wall of the conveyor belt.

[0013] The technical effect achieved by adopting the above scheme is: making a plurality of bristles close to the outer wall of the filter screen plate, thereby improving the brushing force and the cleaning effect.

[0014] Preferably, from any of the above schemes, the two screws are reciprocating screws.

[0015] The technical effect achieved by adopting the above solution is that reciprocating drive sliding can be achieved when the second threaded sleeve and the first threaded sleeve rotate, without the need for frequent forward and reverse rotation of the servo motor.

[0016] Compared with the prior art, the advantages and beneficial effects of the utility model are:

[0017] The drainage filter screen of the water conservancy and hydropower project is driven by a servo motor to rotate a driving pulley, which is driven by the driving pulley to rotate the transmission belt, thereby driving the second threaded sleeve to rotate, and the first threaded sleeve is driven to rotate synchronously through the conveyor belt transmission, thereby driving the sliding frame to slide left and right. While sliding, the rotation of the second threaded sleeve and the first threaded sleeve can drive the conveyor belt to rotate, drive a number of brushes to brush the outer wall of the filter screen plate, so as to clean the outer wall of the filter screen plate, and the cleaning effect can be greatly improved by brushing. BRIEF DESCRIPTION OF THE DRAWINGS

[0018] Figure 1 It is a structural schematic diagram of the utility model;

[0019] Figure 2 This is a front view structural schematic diagram of the utility model;

[0020] Figure 3 For this utility model Figure 2 Schematic diagram of the cross-sectional structure at AA in the middle.

[0021] In the figure: 1-filter screen plate, 2-connecting ear plate, 3-screw, 4-sliding frame, 5-first threaded sleeve, 6-conveyor belt, 7-brush, 8-servo motor, 9-driving pulley, 10-second threaded sleeve, 12-driven pulley, 13-transmission belt. DETAILED DESCRIPTION

[0022] The utility model is further described below in conjunction with the accompanying drawings, but the protection scope of the utility model is not limited to the following description.

[0023] Embodiment 1: Figures 1 to 3 As shown, a drainage filter screen for water conservancy and hydropower projects comprises a filter screen plate 1, both sides of the filter screen plate 1 are fixedly connected with connecting ear plates 2, the top and bottom of the two connecting ear plates 2 facing each other are fixedly connected with screws 3, the outer walls of the two screws 3 are jointly provided with a sliding frame 4, the center of the top and bottom of the sliding frame 4 are respectively rotatably connected with a second threaded sleeve 10 and a first threaded sleeve 5, the second threaded sleeve 10 and the first threaded sleeve 5 are located on the inner wall of the sliding frame 4. The outer walls of the two driving pulleys are jointly connected with a conveyor belt 6, the outer wall of the conveyor belt 6 is fixedly connected with a plurality of bristles 7, and the plurality of bristles 7 are in contact with the surface of the filter screen plate 1, the top of the sliding frame 4 is fixedly connected with a servo motor 8, the output end of the servo motor 8 is fixedly connected with a driving pulley 9, one side of the outer wall of the second threaded sleeve 10 is fixedly connected with a driven pulley 12, and the outer walls of the driving pulley 9 and the driven pulley 12 are jointly connected with a driving belt 13.

[0024] As an optional technical solution of the present invention, the length of the two screws 3 is adapted to the width of the filter screen plate 1, and the spacing between the two screws 3 is adapted to the height of the filter screen plate 1, so that the conveyor belt 6 and the bristles 7 can completely clean the surface of the filter screen plate 1.

[0025] As an optional technical solution of the utility model, the width of the conveyor belt 6 is adapted to the width of the inner wall of the sliding frame 4, and the upper and lower distribution lengths of the conveyor belt 6 are adapted to the height of the filter screen plate 1, so that the cleaning width of the conveyor belt 6 and the brush 7 is adapted to the width of the sliding frame 4.

[0026] As an optional technical solution of the present invention, the length of the plurality of bristles 7 is greater than the distance between the outer wall of the conveyor belt 6 and the filter screen plate 1, and the plurality of bristles 7 are evenly fixed to the outer wall of the conveyor belt 6, so that the plurality of bristles 7 are close to the outer wall of the filter screen plate 1, thereby increasing the brushing force and improving the cleaning effect.

[0027] As an optional technical solution of the utility model, both screws 3 are reciprocating screws, which can realize reciprocating drive sliding when the second threaded sleeve 10 and the first threaded sleeve 5 rotate, without the need for frequent forward and reverse rotation of the servo motor 8.

[0028] A drainage filter for water conservancy and hydropower projects, the working principle is as follows:

[0029] 1) The servo motor 8 drives the driving pulley 9 to rotate, and the transmission belt 13 drives the transmission belt 13 to rotate, thereby driving the second threaded sleeve 10 to rotate;

[0030] 2) The first threaded sleeve 5 is driven to rotate synchronously through the conveyor belt 6, thereby driving the sliding frame 4 to slide left and right;

[0031] 3) While sliding, the second threaded sleeve 10 and the first threaded sleeve 5 rotate to drive the conveyor belt 6 to rotate, and drive the bristles 7 to brush the outer wall of the filter screen plate 1 to clean the outer wall of the filter screen plate 1.

[0032] To sum up, the drainage filter screen of the water conservancy and hydropower project drives the driving pulley 9 to rotate through the servo motor 8, drives the transmission belt 13 to rotate through the transmission belt 13, and then drives the second threaded sleeve 10 to rotate, and drives the first threaded sleeve 5 to rotate synchronously through the conveyor belt 6, thereby driving the sliding frame 4 to slide left and right. While sliding, the rotation of the second threaded sleeve 10 and the first threaded sleeve 5 can drive the conveyor belt 6 to transport and rotate, and drive a number of bristles 7 to brush the outer wall of the filter screen plate 1, so as to clean the outer wall of the filter screen plate 1, and the cleaning effect can be greatly improved by brushing.

[0033] Although the embodiments of the present invention have been shown and described above, it is understood that the above embodiments are exemplary and cannot be understood as limiting the present invention. Those skilled in the art can change, modify, replace and modify the above embodiments within the scope of the present invention without departing from the principles and purpose of the present invention. The scope of the present invention is defined by the appended claims and their equivalents.

Claims

1. A drainage filter for water conservancy and hydropower projects, characterized by: The invention comprises a filter screen plate (1), wherein both sides of the filter screen plate (1) are fixedly connected with connecting ear plates (2), the top and bottom of the two connecting ear plates (2) facing each other are fixedly connected with screws (3), the outer walls of the two screws (3) are jointly provided with a sliding frame (4), the center of the top and bottom of the sliding frame (4) are respectively rotatably connected with a second threaded sleeve (10) and a first threaded sleeve (5), the parts of the second threaded sleeve (10) and the first threaded sleeve (5) located on the inner wall of the sliding frame (4) are fixedly connected with a driving pulley, and the two screws (3) are fixedly connected with each other. The outer walls of the transmission pulleys are connected to a conveyor belt (6) in a transmission manner, the outer wall of the conveyor belt (6) is fixedly connected to a plurality of bristles (7), and the plurality of bristles (7) are in contact with the surface of the filter screen (1). The top of the sliding frame (4) is fixedly connected to a servo motor (8), the output end of the servo motor (8) is fixedly connected to a driving pulley (9), one side of the outer wall of the second threaded sleeve (10) is fixedly connected to a driven pulley (12), and the outer walls of the driving pulley (9) and the driven pulley (12) are connected to a transmission belt (13) in a transmission manner.

2. A water conservancy and hydropower engineering drainage filter according to claim 1, characterized in that: The lengths of the two lead screws (3) are matched to the width of the filter screen plate (1), and the spacing between the two lead screws (3) is matched to the height of the filter screen plate (1).

3. A water conservancy and hydropower engineering drainage filter according to claim 2, characterized in that: The width of the conveyor belt (6) is matched to the width of the inner wall of the sliding frame (4), and the upper and lower distribution lengths of the conveyor belt (6) are matched to the height of the filter screen plate (1).

4. A water conservancy and hydropower engineering drainage filter screen according to claim 3, characterized in that: The length of a plurality of the bristles (7) is greater than the distance between the outer wall of the conveyor belt (6) and the filter screen plate (1), and the plurality of the bristles (7) are evenly fixed to the outer wall of the conveyor belt (6).

5. A water conservancy and hydropower engineering drainage filter screen according to claim 1, characterized in that: The two lead screws (3) are both reciprocating lead screws.

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