A reversible pump station grid slag cleaning device

Abstract

The utility model relates to pump station auxiliary equipment technical field discloses a kind of turnover type pump station grating slag removal device.The device includes frame, connecting frame, grating, reciprocating structure and cleaning structure.Connecting frame is rotationally connected in frame, and grating is fixed in the middle part of connecting frame.Reciprocating structure is located at the front end of connecting frame, and is driven by first motor crank slider mechanism, drives push rod and brush rod reciprocating linear motion along long groove on grating surface to scrape slag.Cleaning structure includes connecting rod, which is fixedly connected through connecting frame, and is driven by second motor connecting rod to drive connecting frame and grating to overturn in frame.The device is also equipped with top spray head, back vibration motor and bottom collection circulation system.The utility model solves the problem that traditional device cannot clean grating back winding and dead angle through the synergistic effect of mechanical scraping, overturning flushing and vibration impurity removal, significantly improves slag removal efficiency and cleanliness.

Description

Technical Field

[0001] This utility model relates to the field of pump station auxiliary equipment technology, and in particular to a flip-type pump station bar screen cleaning device. Background Technology

[0002] Pumping stations, as key facilities in urban water supply and drainage systems and water conservancy projects, undertake important tasks such as water and vapor transportation, flood control, and drainage. At the inlet of a pumping station, a screen is usually installed to intercept floating debris, suspended impurities, and solid waste in the water flow, preventing them from entering the pump unit and causing blockages or damage, thus ensuring the safe and stable operation of the pumping station.

[0003] Existing bar screen cleaning devices mostly employ a fixed structure combined with moving rake teeth for debris removal. While this traditional device can remove large impurities from the water-facing side of the bar screen to some extent, it often reveals significant limitations during long-term operation. Due to the diverse types of debris in the water flow, especially fibrous and ribbon-like soft debris, it easily penetrates the bar screen gaps and becomes tightly entangled in the dead corners on the back side of the screen. Traditional single-sided scraping methods are limited by the physical structure; the rake teeth cannot reach the back side of the bar screen, making it difficult to effectively clean these back-entangled materials. Over time, the accumulated stubborn impurities on the back side gradually increase, leading to a reduction in the effective flow area of ​​the bar screen, an increase in head loss, and a serious impact on the flow efficiency of the pumping station. Furthermore, existing devices typically lack effective flushing and auxiliary vibration methods, resulting in poor removal of highly adhesive sludge or fine impurities. Frequent shutdowns for manual cleaning are necessary, which is not only labor-intensive but also poses safety hazards.

[0004] Therefore, this utility model proposes a reversible pump station screen cleaning device to address the shortcomings of the prior art. Utility Model Content

[0005] In view of the problems in the existing technology, the pump station bar screen cleaning device can only clean the water-facing side in one direction, making it difficult to reach the back corners, resulting in the inability to completely remove entangled impurities. In addition, the lack of auxiliary flushing means leads to low impurity removal efficiency and a year-by-year decline in flow effect. The present invention aims to provide a reversible pump station bar screen cleaning device with an improved structure that can effectively solve the above problems.

[0006] This utility model provides a reversible pump station bar screen cleaning device, including: a frame, a connecting frame rotatably connected to the inner side of the frame, and multiple sets of bar screens fixedly installed in the middle of the connecting frame, with a collection trough fixedly provided at the bottom of the frame; as well as a reciprocating structure and a cleaning structure.

[0007] The connecting frame has a reciprocating structure at its front end, which includes a first motor fixedly installed on the back of the top of the connecting frame. The output end of the first motor passes through the connecting frame and is fixedly connected to a rotating rod. The end of the rotating rod away from the first motor is rotatably connected to a push rod via a rotating shaft. The push rod extends vertically, and a horizontally arranged brush rod is fixedly installed on the surface of the push rod. The brush rod is in contact with the surface of the grille. Long grooves are formed on the two side frames of the connecting frame along the vertical direction, and the two ends of the brush rod are slidably engaged in the corresponding long grooves.

[0008] Furthermore, the device is also equipped with a cleaning structure, which includes a connecting rod that runs horizontally through the middle of the connecting frame and is fixedly connected to the connecting frame. The two ends of the connecting rod are rotatably connected to the inner walls of both sides of the frame. A second motor is fixedly installed on one outer wall of the frame. The output shaft of the second motor is fixedly connected to one end of the connecting rod. The second motor drives the connecting rod to rotate the connecting frame and the grille within the frame.

[0009] Preferably, a first protective shell is fixedly installed on the top back of the connecting frame, the first motor is located inside the first protective shell, and the first protective shell is fixed to the connecting frame by bolts. The first protective shell can effectively isolate external moisture and debris, providing reliable physical protection for the first motor and extending the service life of the motor.

[0010] Preferably, the rotating rod and the push rod form a crank-slider mechanism via the rotating shaft, and the brush rod is constrained within the long groove to perform reciprocating linear motion; two brush rods are spaced apart along the vertical direction on the push rod, and the crank-slider mechanism converts the rotational motion of the rotating rod into the linear reciprocating motion of the push rod. With the arrangement of multiple brush rods, the cleaning area and efficiency of a single stroke are significantly improved.

[0011] Preferably, a second protective shell is fixedly provided on the outer wall of the side where the second motor is installed in the frame. The second motor is located inside the second protective shell and is supported and protected by it. The second protective shell not only serves to prevent dust and water, but also prevents personnel from accidentally touching the rotating parts of the motor, thereby improving the safety of equipment operation.

[0012] Preferably, a vibration motor is fixedly installed in the middle of the back of the connecting frame. The vibration motor is located on the back side of the grid and its axis is perpendicular to the arrangement direction of the grid. The high-frequency excitation force generated by the vibration motor is transmitted to the grid, which can effectively loosen stubborn impurities with strong adhesion or deep entanglement, and assist the subsequent rinsing process.

[0013] Preferably, the collection tank is located directly below the connecting frame, and a filter screen is fixedly installed inside the collection tank in the horizontal direction. The filter screen is located behind the bottom of the connecting frame and is used to intercept impurities cleaned off the grille. The filter screen achieves solid-liquid separation and prevents the cleaned impurities from spreading again with the water flow or clogging the circulating water path.

[0014] Preferably, a water pump is fixedly installed at the bottom of the collection tank, and the water pump is located behind the filter screen; the output end of the water pump is connected to a pipe, and the pipe extends along the outer wall of the frame to the top of the frame. The water pump can draw relatively clean water after being filtered by the filter screen, providing continuous flushing water for the equipment and realizing the recycling of water resources.

[0015] Preferably, the cleaning structure further includes several nozzles installed on the inner side of the top of the frame. The nozzles are connected to the end of the pipe away from the water pump, and the nozzles of the nozzles point downward toward the connecting frame. The nozzles can generate high-pressure water jets, which, in conjunction with the flipping action of the connecting frame, powerfully wash the grille, especially its back side, to thoroughly remove dirt from dead corners.

[0016] This utility model has the following beneficial effects:

[0017] 1. In this utility model, by setting up a reciprocating structure consisting of a motor, a rotating rod, a push rod and a limiting groove, the brush rod is driven to make reciprocating linear motion on the surface of the screen by utilizing the crank-slider principle. This solves the problems of untimely cleaning of surface impurities in traditional screen devices or the high labor intensity and low efficiency of manual cleaning. It achieves the technical effect of automatically, continuously and efficiently scraping off impurities attached to the water-facing surface of the screen, ensuring the smooth flow of water in the pumping station.

[0018] 2. In this utility model, by adopting a flip-up design of a frame nested connecting frame, and with the motor driving linkage to drive the connecting frame and the grid as a whole to flip, the problem of existing fixed grids being difficult to clean the back of the tangled material, having cleaning dead corners and being difficult to maintain is solved. It achieves the technical effect of being able to clean the grid 360 degrees without dead corners and thoroughly remove stubborn garbage on the back. Attached Figure Description

[0019] Figure 1 This is a three-dimensional schematic diagram of a reversible pump station screen cleaning device proposed in this utility model;

[0020] Figure 2 This is a three-dimensional view of the back of a reversible pump station screen cleaning device proposed in this utility model;

[0021] Figure 3 This is a schematic diagram of the reciprocating structure of a reversible pump station screen cleaning device proposed in this utility model.

[0022] Figure 4 This is a schematic diagram of the cleaning structure of a reversible pump station bar screen cleaning device proposed in this utility model.

[0023] Legend: 1. Grille; 2. Connecting frame; 3. Frame; 4. Collection trough; 5. Filter screen; 6. Reciprocating structure; 601. First protective shell; 602. First motor; 603. Rotating rod; 604. Rotating shaft; 605. Push rod; 606. Brush rod; 607. Long trough; 7. Cleaning structure; 701. Nozzle; 702. Pipe; 703. Water pump; 704. Second protective shell; 705. Second motor; 706. Connecting rod; 707. Vibration motor. Detailed Implementation

[0024] To make the objectives, technical solutions, and advantages of this utility model clearer, the technical solutions in the embodiments of this utility model will be clearly and completely described below with reference to the accompanying drawings. Obviously, the described embodiments are only a part of the embodiments of this utility model, and not all of them. All other embodiments obtained by those skilled in the art based on the embodiments of this utility model without creative effort are within the scope of protection of this utility model.

[0025] Example:

[0026] Please refer to Figures 1 to 4 This utility model provides a flip-type pump station bar screen cleaning device, which aims to solve the technical problem that existing pump station bar screen cleaning equipment is unable to completely remove stubborn impurities wrapped around the back of the bar screen and lacks multiple cleaning methods, resulting in low impurity removal efficiency.

[0027] like Figure 1 and Figure 2 As shown, the main structure of the reversible pump station bar screen cleaning device includes a frame 3 as a supporting foundation, a connecting frame 2 rotatably connected to the inner side of the frame 3, and multiple sets of screens 1 fixedly installed in the middle area of ​​the connecting frame 2. The frame 3 serves as the external supporting skeleton of the entire device, and is placed vertically to maintain the overall stability of the device. A collection trough 4 is fixedly installed at the bottom of the frame 3, located directly below the connecting frame 2, and is used to collect solid impurities and flushing wastewater falling from below during the cleaning operation of the screens 1.

[0028] The connecting frame 2 is constructed as a carrier structure capable of rotating relative to the frame 3. The connecting frame 2 is located within the inner space of the frame 3, and its external dimensions are adapted to the inner contour of the frame 3. The connecting frame 2 achieves rotational engagement with the frame 3 via the connecting rod 706, which will be detailed later. This allows the connecting frame 2 to rotate the fixed grille 1 inside it, exposing the back of the grille 1 for comprehensive cleaning. Multiple sets of grilles 1 are closely arranged and fixedly installed in the middle of the connecting frame 2. The main function of the grille 1 is to physically intercept the flowing water, blocking suspended solids, floating debris, and other impurities on its upstream surface.

[0029] like Figure 1 As shown, a reciprocating structure 6 for mechanically scraping the surface of the grille 1 is arranged on the front end face of the connecting frame 2. In order to cooperate with the deep cleaning after flipping, a cleaning structure 7 is also configured in the surrounding area of ​​the frame 3 and the connecting frame 2. A filter screen 5 is fixedly installed inside the collection tank 4. The filter screen 5 is located in the rear area of ​​the bottom of the connecting frame 2, which divides the inside of the collection tank 4 into different functional areas for preliminary filtration of the collected sewage, intercepting large impurities and allowing water to flow through, thereby providing a cleaner water source for subsequent circulation rinsing. Through the cooperation of the frame 3, the connecting frame 2, the grille 1 and the collection tank 4, the basic physical platform of this device is constructed, providing structural support for realizing multiple functions such as scraping, flipping, rinsing and vibration to remove impurities.

[0030] To solve the above-mentioned technical problems, the flip-type pump station bar cleaning device also includes a reciprocating structure 6. The reciprocating structure 6 forms a specific linkage relationship with the aforementioned connecting frame 2 and bar 1, which is used to realize automatic mechanical scraping of the surface of bar 1.

[0031] Please refer to the following carefully. Figure 3 The reciprocating structure 6 is mainly fixedly installed in the front and back areas of the connecting frame 2. A first protective shell 601 is fixedly installed on the top and back of the connecting frame 2. The first protective shell 601 contains and fixes the first motor 602 inside. The first protective shell 601 is fixedly connected to the outer surface of the connecting frame 2 by bolts. Its function is to provide physical protection for the first motor 602 and prevent external debris or water vapor from corroding the motor body.

[0032] The first motor 602 serves as a power source, with its output end axially penetrating the back plate of the connecting frame 2 and extending to the front end face of the connecting frame 2. At the front end of the connecting frame 2, the output shaft end of the first motor 602 is fixedly connected to the active arm end of the rotating rod 603. The end of the rotating rod 603 away from the first motor 602 is rotatably connected to the push rod 605 through the rotating shaft 604. Thus, the rotating rod 603 and the push rod 605 form a transmission chain similar to a crank-connecting rod mechanism. This connection method converts the rotational motion output by the first motor 602 into the planar motion at the end.

[0033] The push rod 605 is arranged in a vertical strip shape in front of the grille 1. At least one horizontally extending brush rod 606 is vertically fixed on the surface of the push rod 605. In this embodiment, two brush rods 606 are arranged at intervals along the vertical direction on the push rod 605. The brush rods 606 are densely covered with cleaning bristles, and the ends of the bristles are closely attached to the water-facing surface of the grille 1. The length of the brush rod 606 covers the horizontal width of the grille 1 and is used to physically scrape off impurities attached to the surface of the grille 1 during the movement.

[0034] Meanwhile, in order to limit the movement trajectory of the push rod 605 and its brush rod 606, so that it can only make reciprocating linear motion in the vertical direction, long grooves 607 are provided on the two side frames of the connecting frame 2 in the vertical direction. The long grooves 607 penetrate the front surface of the frame of the connecting frame 2. The two ends of the brush rod 606 extend and slide into the corresponding long grooves 607 respectively. The inner wall of the long groove 607 provides a sliding guide surface for the end of the brush rod 606.

[0035] When the first motor 602 drives the rotating rod 603 to rotate, the brush rod 606 is restricted at both ends to move only up and down within the long groove 607. The planar motion generated by the rotating rod 603 driving the push rod 605 is decomposed. The push rod 605 is forced to drive the brush rod 606 to make up-and-down reciprocating linear motion along the path of the long groove 607. This crank-slider type drive structure ensures that the brush rod 606 can stably and continuously scrape the surface of the grid 1 from top to bottom, effectively removing impurities adsorbed on the surface and improving the water flow of the grid 1.

[0036] Based on the above embodiments, the present invention may further include the following preferred technical solutions:

[0037] As a preferred embodiment, in order to achieve all-round, no-dead-angle cleaning of the grille 1, especially for stubborn entanglement on the back of the grille 1, this device is further configured with a cleaning structure 7 and a corresponding flipping drive mechanism. Please refer to [link / reference needed]. Figure 4 The cleaning structure 7 includes a connecting rod 706 that runs horizontally through the middle of the connecting frame 2 and is fixedly connected to the connecting frame 2. The connecting rod 706 serves as the rotation axis of the connecting frame 2, and its two ends are respectively rotatably connected to the inner walls of the vertical sidewalls on both sides of the frame 3. This connection method allows the connecting frame 2 to rotate freely 360 degrees around the axis of the connecting rod 706 in the internal space of the frame 3.

[0038] As the power source for the flipping function of the cleaning structure 7, a second motor 705 is fixedly installed on one side of the outer wall of the frame 3. The output shaft of the second motor 705 is directly fixedly connected to one end of the connecting rod 706 to drive the connecting rod 706 to rotate. In order to protect the second motor 705 from the influence of the external environment, a second protective shell 704 is also fixedly installed on the side of the frame 3 where the second motor 705 is installed. The second motor 705 is completely located in the internal space of the second protective shell 704 and is supported and protected by it.

[0039] As another preferred embodiment, in order to facilitate deep cleaning after flipping, this device integrates a high-pressure flushing system. The cleaning structure 7 also includes several nozzles 701 installed on the inner surface of the top beam of the frame 3. The nozzles 701 are arranged at intervals along the length of the beam, and the nozzles of all nozzles 701 point downwards toward the connecting frame 2 and the grid 1 inside it. A water pump 703 is fixedly installed at the bottom of the collection tank 4. The output end of the water pump 703 is connected to a water supply pipe 702. The pipe 702 extends upwards along the outer wall of the frame 3 and eventually connects with all the nozzles 701 at the top. When the connecting frame 2 is flipped, the water pump 703 draws water from the collection tank 4 and pressurizes it to deliver it to the nozzles 701, forming a high-pressure water flow to powerfully flush the grid 1, especially its back side.

[0040] In another preferred embodiment, to enhance the impurity removal effect and realize the recycling of water source, a vibration motor 707 is fixedly installed in the middle of the back of the connecting frame 2. The vibration motor 707 is located on the back side of the grille 1 and the direction of the excitation force it generates is perpendicular to the surface of the grille 1. It is used to drive the connecting frame 2 and the grille 1 to generate high-frequency vibration during the rinsing process, thereby shaking off impurities with strong adhesion. The filter screen 5 inside the collection tank 4 is constructed as an L-shaped plate structure. The vertical part divides the collection tank 4 into a front slag collection area and a rear water collection area, while the horizontal part plays the role of receiving and preliminary filtration. The water pump 703 is placed in the water collection area behind the filter screen 5 to ensure that the suction pipe 702 is a relatively clean water source filtered by the filter screen 5, and to prevent the nozzle 701 from being blocked.

[0041] Working principle: When the device is in normal working state, the screen 1 is located on the water-facing side to intercept impurities. At this time, the reciprocating structure 6 is started. The first motor 602 drives the rotating rod 603 to rotate, which drives the push rod 605 to make planar motion. Due to the sliding guidance effect of the two ends of the brush rod 606 in the long grooves 607 on both sides of the connecting frame 2, the push rod 605 is forced to drive the brush rod 606 to make up-and-down reciprocating linear motion in the vertical direction. The bristles on the brush rod 606 are in close contact with the surface of the screen 1, continuously scraping away the solid impurities adsorbed on the water-facing side of the screen 1, and maintaining the permeability of the screen 1.

[0042] When the grille 1 needs deep cleaning, especially to remove the tangled material on the back, the cleaning structure 7 is activated. The second motor 705 drives the connecting rod 706 to rotate, causing the connecting frame 2 and the grille 1 to flip inside the frame 3, so that the back of the grille 1 faces upward or is oriented at an angle that facilitates cleaning. At the same time, the water pump 703 is activated, drawing water filtered by the filter screen 5 from the water collection area at the rear of the collection tank 4, and delivering it to the top nozzle 701 through the pipe 702. The nozzle 701 sprays high-pressure water downward to powerfully rinse the flipped grille 1.

[0043] During the rinsing process, the vibration motor 707 installed on the back of the connecting frame 2 starts synchronously, generating high-frequency vibration. This vibration is transmitted to the screen 1, which can effectively loosen and shake off stubborn attached impurities. The washed-off impurities and sewage fall into the collection tank 4 below. The impurities are intercepted by the filter screen 5 in the slag collection area, while the water flows through the filter screen 5 into the water collection area for circulation by the water pump 703. Through the synergistic effect of mechanical scraping, flipping rinsing and vibration impurity removal, this device achieves all-round and efficient cleaning of the screen 1, solving the problems of many dead corners and incomplete impurity removal in traditional devices.

[0044] The above description is merely a specific embodiment of this utility model, but the protection scope of this utility model is not limited thereto. Any variations or substitutions that can be easily conceived by those skilled in the art within the technical scope disclosed in this utility model should be included within the protection scope of this utility model. Therefore, the protection scope of this utility model should be determined by the protection scope of the claims.

Claims

1. A reversible pump station bar cleaning device, comprising a frame (3), a connecting frame (2) rotatably connected to the inner side of the frame (3), and multiple sets of bar screens (1) fixedly installed in the middle of the connecting frame (2), wherein a collection trough (4) is fixedly provided at the bottom of the frame (3); Its features are, The front end of the connecting frame (2) is provided with a reciprocating structure (6), and the reciprocating structure (6) includes a first motor (602) fixedly installed on the back of the top of the connecting frame (2); The output end of the first motor (602) passes through the connecting frame (2) and is fixedly connected to a rotating rod (603). The end of the rotating rod (603) away from the first motor (602) is rotatably connected to a push rod (605) through a rotating shaft (604). The push rod (605) extends vertically, and a horizontally arranged brush rod (606) is fixedly installed on the surface of the push rod (605), and the brush rod (606) is attached to the surface of the grid (1). The two sides of the connecting frame (2) are provided with long grooves (607) in the vertical direction, and the two ends of the brush rod (606) are respectively slidably engaged in the corresponding long grooves (607); The device is also provided with a cleaning structure (7), which includes a connecting rod (706) that runs horizontally through the middle of the connecting frame (2) and is fixedly connected to the connecting frame (2). The two ends of the connecting rod (706) are rotatably connected to the inner walls of both sides of the frame (3). A second motor (705) is fixedly installed on one side of the outer wall of the frame (3), and the output shaft of the second motor (705) is fixedly connected to one end of the connecting rod (706).

2. The reversible pump station screen cleaning device according to claim 1, characterized in that, A first protective shell (601) is fixedly installed on the top back of the connecting frame (2), the first motor (602) is located inside the first protective shell (601), and the first protective shell (601) is fixed to the connecting frame (2) by bolts.

3. The reversible pump station screen cleaning device according to claim 1, characterized in that, The rotating rod (603) and the push rod (605) form a crank-slider mechanism through the rotating shaft (604), and the brush rod (606) is constrained in the long groove (607) to make reciprocating linear motion; two brush rods (606) are provided on the push rod (605) at intervals along the vertical direction.

4. The reversible pump station screen cleaning device according to claim 1, characterized in that, A second protective shell (704) is fixedly provided on the outer wall of the frame (3) on one side where the second motor (705) is installed. The second motor (705) is located inside the second protective shell (704) and is supported and protected by it.

5. A reversible pump station screen cleaning device according to claim 1, characterized in that, A vibration motor (707) is fixedly installed in the middle of the back side of the connecting frame (2). The vibration motor (707) is located on the back side of the grid (1) and its axis is perpendicular to the arrangement direction of the grid (1).

6. A reversible pump station screen cleaning device according to claim 1, characterized in that, The collection tank (4) is located directly below the connecting frame (2). A filter screen (5) is fixedly installed in the collection tank (4) along the horizontal direction. The filter screen (5) is located behind the bottom of the connecting frame (2) and is used to intercept impurities cleaned off the grille (1).

7. A reversible pump station screen cleaning device according to claim 6, characterized in that, A water pump (703) is fixedly installed at the bottom of the collection tank (4), and the water pump (703) is located behind the filter screen (5); the output end of the water pump (703) is connected to a pipe (702), and the pipe (702) extends along the outer wall of the frame (3) to the top of the frame (3).

8. A reversible pump station screen cleaning device according to claim 7, characterized in that, The cleaning structure (7) also includes a plurality of nozzles (701) installed on the inner side of the top of the frame (3). The nozzles (701) are connected to the end of the pipe (702) away from the water pump (703), and the nozzles of the nozzles (701) point downward toward the connecting frame (2).

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