Dirt cleaning device for trash rack of pumped storage hydropower station

Abstract

The utility model relates to the technical field of trash racks and discloses a trash cleaning device for a trash rack of a pumped storage hydropower station, which comprises the trash rack, a moving frame is sleeved on the outer side of the trash rack, a motor is fixedly connected to the side wall of the moving frame, a moving roller is rotatably connected to the inner wall of the moving frame, and the motor is fixedly connected to the moving roller. An output shaft of the motor is fixedly connected to the end of the moving roller, and a cavity is formed in the inner wall of the moving frame. The output shaft of the motor can rotate to drive the moving roller to rotate, the moving roller and the pressing roller are arranged on the side wall of the trash rack in a pressing mode, the moving frame can move along the side wall of the trash rack, and the third gear and the second gear can be driven to rotate through the first gear while the moving roller rotates. And the second gear rotates to drive the rotating shaft and the cleaning disc to rotate, so that the cleaning disc can clean the trash rack when the moving frame moves.

Description

Technical Field

[0001] This utility model relates to the field of trash rack technology, and in particular to a trash rack cleaning device for pumped storage hydropower stations. Background Technology

[0002] Pumped storage hydropower stations are a special type of hydropower station that combines multiple functions such as peak shaving, valley filling, and energy storage, playing an important role in the power system. Trash racks are a key piece of equipment in pumped storage hydropower stations, used to ensure the normal operation of equipment such as turbines.

[0003] In the existing technology, after a long period of use, the surface of the trash rack in the pumped storage hydropower station will be covered with a lot of dust and debris. If it is not cleaned in time, it will affect the continued use effect of the trash rack. Since the surface debris needs to be brushed during cleaning and the area of ​​the trash rack is large, the device is difficult to move and adjust itself during the cleaning process, which makes cleaning laborious and inefficient, and cannot be carried out efficiently and quickly. Utility Model Content

[0004] The purpose of this invention is to solve the problem that in the prior art, when cleaning, it is necessary to brush off the debris attached to the surface, and the area of ​​the trash rack is large. During the cleaning process, the device is difficult to move and adjust itself, resulting in laborious and inefficient cleaning, and thus unable to carry out efficient and quick cleaning. Therefore, this invention proposes a trash rack cleaning device for pumped storage hydropower stations.

[0005] To achieve the above objectives, the present invention adopts the following technical solution:

[0006] A debris cleaning device for a trash rack in a pumped-storage hydropower station includes a trash rack, a movable frame fitted on the outer side of the trash rack, a motor fixedly connected to the side wall of the movable frame, a movable roller rotatably connected to the inner wall of the movable frame, the output shaft of the motor fixedly connected to the end of the movable roller, a cavity formed in the inner wall of the movable frame, a first gear fixedly fitted on the tube wall of the movable roller inside the cavity, multiple rotating shafts rotatably connected to the movable frame inside the cavity, the rod walls of the multiple rotating shafts extending to the outer side of the movable frame and fixedly connected to a cleaning disc, and a second gear fixedly fitted on the rod wall of the rotating shaft inside the cavity.

[0007] Preferably, the movable frame is rotatably connected to the inner wall of the cavity by multiple transmission rods, and a third gear is fixedly sleeved on the rod wall of each of the multiple transmission rods. The first gear meshes with one of the third gears, and the multiple second gears mesh with the multiple third gears.

[0008] Preferably, the inner left side of the trash rack has a notch, a movable frame is slidably mounted on the inner wall of the notch, and a pressure roller is rotatably mounted on the inner wall of the movable frame.

[0009] Preferably, a threaded ring is fixedly connected to the inner wall of the movable frame, and a threaded rotating rod is threadedly connected to the inner wall of the threaded ring, with the rod wall of the threaded rotating rod rotatably connected to the inner wall of the movable frame.

[0010] Preferably, the end of the threaded rotating rod opposite to the movable frame extends to the outside of the movable frame and is fixedly connected to a handle.

[0011] Preferably, the left and right side walls of the trash rack are respectively fixedly connected with anti-slip pads, and the roller walls of the moving roller and the pressure roller are respectively pressed and set on the side walls of the anti-slip pads.

[0012] Compared with the prior art, this utility model provides a device for cleaning debris from trash racks in pumped storage hydropower stations, which has the following beneficial effects:

[0013] 1. The trash rack cleaning device for this pumped storage hydropower station can drive the rotating roller to rotate through the output shaft of the motor. The moving roller and the pressure roller are pressed and set on the side wall of the trash rack, so that the moving frame can move along the side wall of the trash rack. While the moving roller is rotating, the first gear can drive the third gear and the second gear to rotate. The rotation of the second gear can drive the rotating shaft and the cleaning disc to rotate, so that the cleaning disc can clean the trash rack when the moving frame moves.

[0014] 2. The trash rack cleaning device for this pumped storage hydropower station can drive the threaded rod to rotate along the inner wall of the threaded ring by turning the handle, which can push the moving frame to move, thereby adjusting the position of the pressure roller. This allows the moving frame to adapt to trash racks of different widths, and it is easy to disassemble and clean. Attached Figure Description

[0015] Figure 1 This is a schematic diagram of the structure of a trash rack cleaning device for a pumped storage hydropower station proposed in this utility model;

[0016] Figure 2 for Figure 1 Top view of the structure of the moving frame;

[0017] Figure 3 for Figure 2 Enlarged structural diagram of part A in the middle section;

[0018] Figure 4 for Figure 2 A magnified schematic diagram of the structure of part B in the middle section.

[0019] In the diagram: 1. Trash rack, 2. Moving frame, 3. Motor, 4. Moving roller, 5. First gear, 6. Rotating shaft, 7. Sweeping disc, 8. Second gear, 9. Transmission rod, 10. Third gear, 11. Moving frame, 12. Pressure roller, 13. Threaded ring, 14. Threaded rotating rod, 15. Handle, 16. Anti-slip mat. Detailed Implementation

[0020] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments of the present utility model. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments.

[0021] Reference Figure 1-4 A debris cleaning device for a pumped storage hydropower station trash rack includes a trash rack 1, a movable frame 2 fitted on the outer side of the trash rack 1, a motor 3 fixedly connected to the side wall of the movable frame 2, a movable roller 4 rotatably connected to the inner wall of the movable frame 2, the output shaft of the motor 3 fixedly connected to the end of the movable roller 4, a cavity opened in the inner wall of the movable frame 2, a first gear 5 fixedly fitted on the tube wall of the movable roller 4 inside the cavity, a plurality of rotating shafts 6 rotatably connected to the movable frame 2 inside the cavity, the rod walls of the plurality of rotating shafts 6 extending to the outer side of the movable frame 2 and fixedly connected to a cleaning disc 7, and a second gear 8 fixedly fitted on the rod wall of the rotating shaft 6 inside the cavity.

[0022] The movable frame 2 is rotatably connected to the inner wall of the cavity by multiple transmission rods 9. Each of the transmission rods 9 has a third gear 10 fixedly sleeved on its rod wall. The first gear 5 meshes with one of the third gears 10. Multiple second gears 8 mesh with multiple third gears 10. The left inner wall of the trash rack 1 has a notch. The inner wall of the notch is slidably provided with a movable frame 11. The inner wall of the movable frame 11 is rotatably provided with a pressure roller 12.

[0023] In use, the output shaft of motor 3 can rotate to drive the moving roller 4 to rotate. The moving roller 4 and pressure roller 12 are pressed against the side wall of the trash rack 1, so that the moving frame 2 can move along the side wall of the trash rack 1. While the moving roller 4 is rotating, the first gear 5 can drive the third gear 10 and the second gear 8 to rotate. The rotation of the second gear 8 can drive the rotating shaft 6 and the cleaning disc 7 to rotate, so that the cleaning disc 7 can clean the trash rack 1 when the moving frame 2 moves.

[0024] For ease of disassembly, assembly, cleaning, and use, such as Figure 1-4As shown, a threaded ring 13 is fixedly connected to the inner wall of the movable frame 2, and a threaded rotating rod 14 is threadedly connected to the inner wall of the threaded ring 13. The rod wall of the threaded rotating rod 14 is rotatably connected to the inner wall of the movable frame 11. One end of the threaded rotating rod 14 away from the movable frame 11 extends to the outer side of the movable frame 2 and is fixedly connected to a handle 15. Anti-slip pads 16 are fixedly connected to the left and right side walls of the trash rack 1, respectively. The roller walls of the movable roller 4 and the pressure roller 12 are respectively pressed and set on the side walls of the anti-slip pads 16.

[0025] Rotating the handle 15 can drive the threaded rod 14 to rotate along the inner wall of the threaded ring 13, which can push the moving frame 11 to move, thereby adjusting the position of the pressure roller 12. This allows the moving frame 2 to adapt to different widths of the trash rack 1, and it is easy to disassemble and clean.

[0026] The above description is only a preferred embodiment of the present utility model, but the protection scope of the present utility model is not limited thereto. Any equivalent substitutions or changes made by those skilled in the art within the technical scope disclosed in the present utility model, based on the technical solution and the inventive concept of the present utility model, should be included within the protection scope of the present utility model.

Claims

1. A device for cleaning trash from a trash rack of a pumped storage hydroelectric power plant, comprising a trash rack (1), characterized in that: The outer side of the trash rack (1) is fitted with a movable frame (2), a motor (3) is fixedly connected to the side wall of the movable frame (2), a movable roller (4) is rotatably connected to the inner wall of the movable frame (2), the output shaft of the motor (3) is fixedly connected to the end of the movable roller (4), a cavity is opened in the inner wall of the movable frame (2), a first gear (5) is fixedly fitted on the tube wall of the movable roller (4) inside the cavity, a plurality of rotating shafts (6) are rotatably connected to the movable frame (2) inside the cavity, the rod walls of the plurality of rotating shafts (6) extend to the outer side of the movable frame (2) and are fixedly connected to a cleaning disc (7), and a second gear (8) is fixedly fitted on the rod wall of the rotating shaft (6) inside the cavity.

2. A trash cleaning device for a trash rack of a pumped storage hydroelectric power plant according to claim 1, characterized in that: The movable frame (2) is rotatably connected to a plurality of transmission rods (9) on the inner wall of the cavity. A third gear (10) is fixedly sleeved on the rod wall of each of the plurality of transmission rods (9). The first gear (5) meshes with one of the third gears (10), and the plurality of second gears (8) mesh with the plurality of third gears (10).

3. The trash cleaning device of the pumped storage power station trash rack according to claim 1, characterized in that: The inner wall of the trash rack (1) has a notch, and a movable frame (11) is slidably provided on the inner wall of the notch. A pressure roller (12) is rotatably provided on the inner wall of the movable frame (11).

4. The trash cleaning device of the pumped storage power station trash rack according to claim 1, characterized in that: The inner wall of the movable frame (2) is fixedly connected to a threaded ring (13), and the inner wall of the threaded ring (13) is threadedly connected to a threaded rotating rod (14). The rod wall of the threaded rotating rod (14) is rotatably connected to the inner wall of the movable frame (11).

5. A trash cleaning device for a trash rack of a pumped storage hydroelectric power plant according to claim 4, characterized in that: The threaded rotating rod (14) extends from one end away from the moving frame (11) to the outside of the moving frame (2) and is fixedly connected to a handle (15).

6. A device for cleaning debris from a trash rack in a pumped-storage hydropower station according to claim 1, characterized in that: The left and right side walls of the trash rack (1) are respectively fixedly connected with anti-slip mats (16), and the roller walls of the moving roller (4) and the pressure roller (12) are respectively pressed and set on the side walls of the anti-slip mats (16).

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