Automatic opening and closing sludge storage tank cover plate structure

Abstract

The utility model discloses a sludge storage tank cover plate structure capable of being opened and closed automatically. The cover plate is rotationally installed on one side of the bottom of the fixing support, and an electric push rod is fixedly connected to one side of the fixing support and used for locking the cover plate in the vertical state; the traction assembly is arranged at the top of the fixing support, the traction assembly comprises a winding roller installed above the fixing support, and the steel wire rope winding device has the advantages that through cooperation of the reciprocating lead screw and the sliding block, ordered winding of the steel wire rope on the winding roller is achieved; the service life of the steel wire rope is prolonged, and the smoothness of opening and closing actions of the cover plate is ensured; the cleaning part is arranged, so that the inlet of the sludge storage tank can be flushed before the cover plate is closed, residual sludge is effectively removed, and the sludge storage tank is kept clean; the magnetic switch is matched with the electromagnetic valve, automatic opening and closing of the cleaning spray head are achieved, water resources are saved, and the cleaning efficiency is improved.

Description

Technical Field

[0001] This utility model relates to the technical field of sludge storage tank cover plates, specifically an automatic opening and closing sludge storage tank cover plate structure. Background Technology

[0002] In urban sludge treatment, sludge storage tanks are core facilities for the temporary storage, concentration, or conditioning of sludge. During sludge unloading operations, the top cover of the storage tank usually needs to be opened to allow the sludge to be discharged through the unloading port to transport vehicles or the next treatment stage. Current operations require operators to carry specialized tools (such as crowbars and chains) to reach the top of the storage tank; the cover is then pried or lifted manually or with simple machinery (such as a hand hoist), typically requiring 2-3 people working together; the cover is temporarily supported to the open position to prevent accidental closure; during operation, the cover is heavy, and manual opening requires repeated prying or multiple people working together, posing a risk of slippage. Accidental slippage can cause pinching or crushing injuries, especially in rainy or snowy weather or when the tank top is slippery, significantly increasing the risk of accidents. Utility Model Content

[0003] The purpose of this invention is to provide an automatic opening and closing sludge storage tank cover structure to solve the problems mentioned in the background art.

[0004] To achieve the above objectives, this utility model provides the following technical solution: an automatic opening and closing sludge storage tank cover structure, comprising:

[0005] Fixed bracket;

[0006] A cover plate is rotatably mounted on one side of the bottom of a fixed bracket, and an electric push rod is fixedly connected to one side of the fixed bracket for locking the cover plate in a vertical position.

[0007] A traction assembly is placed on top of the fixed bracket. The traction assembly includes a take-up roller mounted above the fixed bracket. A steel wire rope is wound around the outside of the take-up roller. The free end of the steel wire rope is fixed to the cover plate. A cable routing section is provided on one side of the take-up frame.

[0008] A cleaning section, located outside the cover plate, the cleaning section including cleaning nozzles facing the sludge storage tank;

[0009] The sensing unit is located on one side of the sludge storage tank. The sensing unit includes a lifting cover, and the bottom of the lifting cover is provided with a pressure sensor for sensing gravity.

[0010] Preferably, a support shaft is fixedly connected to one side of the fixed bracket, and the cover plate is rotatably connected to the outside of the support shaft.

[0011] Preferably, the traction assembly further includes a mounting frame fixed to the middle of the fixed bracket, the winding frame fixed to the top of the mounting frame, the winding roller rotatably connected to the middle of the winding frame, and a worm gear reducer motor for driving the winding roller fixed to one side of the winding frame.

[0012] Preferably, the cable laying section includes a reciprocating screw rotatably connected to the middle of the winding frame. One end of the reciprocating screw is connected to the winding roller via a belt drive assembly. A slider is threaded onto the outer side of the reciprocating screw. The slider is slidably connected to the winding frame, and the wire rope passes through the middle of the slider.

[0013] Preferably, the cleaning unit further includes a water pipe fixed to the outside of the cover plate, the water pipe being connected to an external water source via a solenoid valve, and the cleaning nozzles being fixed to the outside of the water pipe at equal intervals.

[0014] Preferably, an arc-shaped magnet is fixed to one side of the bottom of the cover plate, and a magnetic switch that cooperates with the arc-shaped magnet is installed on one side of the sludge storage tank. The magnetic switch is electrically connected to the solenoid valve.

[0015] Preferably, the lifting cover has a base plate vertically slidably connected inside, and multiple springs are installed between the base plate and the lifting cover.

[0016] Compared with the prior art, the beneficial effects of this utility model are as follows: Through the cooperation of a pressure sensor, controller, electric push rod, and worm gear reducer motor, the automatic opening and closing of the cover is achieved. When a vehicle carrying sludge presses on the lifting cover, the pressure sensor detects a pressure change, and the controller automatically controls the worm gear reducer motor to drive the winding roller to wind up the steel wire rope, pulling up the cover. After the vehicle moves away, the controller automatically controls the electric push rod to retract and the winding roller to rotate in the opposite direction, causing the cover to close under gravity. The electric push rod locks when the cover is upright, ensuring the stability of the cover in the open state and preventing accidental damage due to wind or other external forces. The use of pressure sensors and controllers makes the opening and closing of the cover plate more precise and reliable, avoiding errors and risks that may be caused by human operation. The orderly winding of the wire rope on the take-up roller is achieved through the cooperation of reciprocating screws and sliders. This not only improves the service life of the wire rope, but also ensures the smoothness of the cover plate opening and closing. The cleaning section allows the inlet of the sludge storage tank to be flushed before the cover plate closes, effectively removing residual sludge and keeping the sludge storage tank clean. The cooperation of magnetic switches and solenoid valves realizes the automatic switching of cleaning nozzles, which saves water resources and improves cleaning efficiency. Attached Figure Description

[0017] Figure 1 This is a schematic diagram of the structure of this utility model;

[0018] Figure 2This is a schematic diagram of the structure of the cover plate of this utility model when it is opened;

[0019] Figure 3 This is a schematic diagram of the structure of the winding rack of this utility model;

[0020] Figure 4 This is a schematic diagram of the structure of the electric push rod of this utility model;

[0021] Figure 5 This is a schematic diagram of the lifting cover of this utility model.

[0022] In the diagram: 1. Fixed bracket; 2. Mounting frame; 3. Winding frame; 4. Winding roller; 5. Worm gear reducer motor; 6. Belt drive assembly; 7. Reciprocating screw; 8. Wire rope; 9. Cover plate; 10. Support shaft; 11. Electric push rod; 12. Water pipe; 13. Cleaning nozzle; 14. Magnetic switch; 15. Arc magnet; 16. Base plate; 17. Lifting cover; 18. Spring; 19. Pressure sensor. Detailed Implementation

[0023] The technical solutions of the present utility model will be clearly and completely described below with reference to the accompanying drawings of the embodiments. Obviously, the described embodiments are only some embodiments of the present utility model, and not all embodiments. Based on the embodiments of the present utility model, all other embodiments obtained by those of ordinary skill in the art without creative effort are within the protection scope of the present utility model.

[0024] Please see Figure 1 , 2 As shown in Figures 3, 4, and 5, this utility model provides a technical solution: an automatic opening and closing sludge storage tank cover structure, comprising: a fixed bracket 1; a cover 9 rotatably mounted on one side of the bottom of the fixed bracket 1, an electric push rod 11 fixedly connected to one side of the fixed bracket 1 for locking the cover 9 in a vertical state; a traction assembly placed on top of the fixed bracket 1, the traction assembly including a winding roller 4 installed above the fixed bracket 1, a steel wire rope 8 wound around the outside of the winding roller 4, the free end of the steel wire rope 8 fixedly connected to the cover 9, and a cable routing section provided on one side of the winding frame 3; a cleaning section placed outside the cover 9, the cleaning section including a cleaning nozzle 13 facing the sludge storage tank; and a sensing section placed on one side of the sludge storage tank, the sensing section including a lifting cover 17, the bottom of the lifting cover 17 being provided with a pressure sensor 19 for sensing gravity.

[0025] It should be noted that this utility model is equipped with a controller. The pressure sensor 19, electric push rod 11, and worm gear reducer motor 5 are all electrically connected to the controller. When the rear wheel of the vehicle carrying sludge presses on the lifting cover 17 on the pressure sensor 19, the pressure sensor 19 detects the pressure information and transmits the signal to the controller. The controller controls the worm gear reducer motor 5 to drive the winding roller 4 to wind up. The winding roller 4 pulls the cover plate 9 to one side by winding the steel wire rope 8, thereby lifting the cover plate 9 from the top of the sludge storage tank. At this time, the controller controls the electric push rod 11 to extend, so that its piston rod is placed on one side of the cover plate 9, thereby placing the cover plate 9 between the electric push rod 11 and the fixed bracket 1. When the vehicle separates from the lifting cover 17, the pressure sensor 19 detects the corresponding pressure change, the controller retracts the electric push rod 11, and controls the winding roller 4 to rotate in the opposite direction. Under the action of gravity, the cover plate 9 covers the sludge storage tank.

[0026] like Figure 3 As shown, a support shaft 10 is fixedly connected to one side of the fixed bracket 1, and a cover plate 9 is rotatably connected to the outside of the support shaft 10.

[0027] It should be noted that the cover plate 9 of this utility model has a notch on one side corresponding to the support shaft 10. The support shaft 10 is rotatably connected to the middle of the shaft, and the shaft is fixedly connected to the cover plate 9. This allows the cover plate 9 to be flipped and closed on one side of the sludge storage tank.

[0028] like Figure 1 , 3 As shown, the traction assembly also includes a mounting frame 2 fixed to the middle of the fixed bracket 1, a winding frame 3 fixed to the top of the mounting frame 2, a winding roller 4 rotatably connected to the middle of the winding frame 3, a worm gear reducer motor 5 for driving the winding roller 4 fixed to one side of the winding frame 3, and a cable laying section including a reciprocating screw 7 rotatably connected to the middle of the winding frame 3. One end of the reciprocating screw 7 is connected to the winding roller 4 via a belt drive assembly 6. The belt drive assembly 6 consists of two pulleys and a drive belt for driving the two pulleys. A slider is threaded to the outer side of the reciprocating screw 7. The slider is slidably connected to the winding frame 3, and the wire rope 8 passes through the middle of the slider.

[0029] It should be noted that when the pressure sensor 19 detects a change in pressure, the controller controls the worm gear reducer motor 5 to drive the take-up roller 4 to rotate. The forward and reverse rotation of the take-up roller 4 realizes the winding and unwinding of the wire rope 8. In this way, the traction of the wire rope 8 and the weight of the cover plate 9 itself realize the opening and closing of the cover plate 9. During the process of the worm gear reducer motor 5 driving the take-up roller 4, the take-up roller 4 drives the reciprocating screw 7 to rotate through the belt drive assembly 6. The reciprocating screw 7 drives the slider to slide back and forth inside the take-up frame 3, thereby orderly winding the wire rope 8 on the outside of the take-up roller 4.

[0030] like Figure 3As shown, the cleaning unit also includes a water pipe 12 fixed to the outside of the cover plate 9. The water pipe 12 is connected to an external water source through a solenoid valve. The cleaning nozzles 13 are fixed to the outside of the water pipe 12 at equal intervals. An arc-shaped magnet 15 is fixed to one side of the bottom of the cover plate 9. A magnetic switch 14 that cooperates with the arc-shaped magnet 15 is installed on one side of the sludge storage tank. The magnetic switch 14 is electrically connected to the solenoid valve.

[0031] It should be noted that when the pressure sensor 19 has a pressure value, the controller controls the magnetic switch 14 to de-energize. That is, when the cover plate 9 is in the open state, the cleaning nozzle 13 does not have a corresponding water spraying operation. When the vehicle dumps the sludge into the sludge storage tank and moves away, excess sludge remains at the inlet of the sludge storage tank. When the pressure sensor 19 does not change pressure, under the action of the controller, the worm gear reducer motor 5 and the winding roller 4 control the cover plate 9 to flip downward through the wire rope 8. During this period, when the arc-shaped magnet 15 at the bottom of the cover plate 9 corresponds to the magnetic switch 14, the solenoid valve is energized and opened, and high-pressure water enters the cleaning nozzle 13 through the water pipe 12 and sprays towards the sludge storage tank to rinse its inlet. When the arc-shaped magnet 15 and the magnetic switch 14 are misaligned, the solenoid valve is de-energized, and the water supply to the water pipe 12 is stopped.

[0032] like Figure 1 , 2 As shown in Figures 3 and 5, a base plate 16 is vertically slidably connected inside the lifting cover 17, and multiple springs 18 are installed between the base plate 16 and the lifting cover 17.

[0033] It should be noted that the base plate 16 of this utility model is fixed to the ground, and the lifting cover 17 covers the top of the base plate 16. At this time, the pressure sensor 19 is located between the base plate 16 and the lifting cover 17, and is used to detect the pressure applied to the lifting cover 17 from the outside. When the rear wheel of the vehicle carrying sludge runs over the lifting cover 17, the pressure sensor 19 will sense this pressure and generate a signal. The pressure sensor 19 will transmit the sensed pressure information to the controller through the signal. According to the information provided by the pressure sensor 19, the controller will control the operation of the worm gear reducer motor 5. The worm gear reducer motor 5 drives the winding roller 4 to rotate, thereby realizing the winding or unwinding of the wire rope. When the vehicle moves away, the spring 18 drives the lifting cover 17 to rise, so that the lifting cover 17 and the pressure sensor 19 are in a non-contact state.

[0034] In the description of this utility model, it should be understood that the terms "coaxial", "bottom", "one end", "top", "middle", "other end", "upper", "side", "top", "inner", "front", "center", "both ends", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the drawings. They are only for the convenience of describing this utility model and simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on this utility model.

[0035] Furthermore, the terms “first,” “second,” “third,” and “fourth” are used for descriptive purposes only and should not be construed as indicating or implying relative importance or implicitly specifying the number of technical features indicated. Thus, a feature defined as “first,” “second,” “third,” or “fourth” may explicitly or implicitly include at least one of those features.

[0036] In this utility model, unless otherwise explicitly specified and limited, the terms "installation", "setting", "connection", "fixing", "screw connection", etc., should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral part; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; they can refer to the internal connection of two components or the interaction between two components. Unless otherwise explicitly limited, those skilled in the art can understand the specific meaning of the above terms in this utility model according to the specific circumstances.

[0037] Although embodiments of the present invention have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made to these embodiments without departing from the principles and spirit of the present invention, the scope of which is defined by the appended claims and their equivalents.

Claims

1. An automatic opening and closing sludge storage tank cover plate structure, characterized by: The utility model relates to a sewage sludge cleaning device, including: Fixed support (1); Cover plate (9) is rotatory installation in the bottom of one side of fixed support (1), one side of fixed support (1) is fixed with electric push rod (11), is used for locking cover plate (9) in vertical state; Traction assembly, traction assembly is placed in the top of fixed support (1), and the traction assembly includes the winding roller (4) and winding frame (3) installed above fixed support (1), the outside of winding roller (4) is wound with steel wire rope (8), and the free end of steel wire rope (8) is fixed with cover plate (9), and one side of winding frame (3) is equipped with line arranging part; Cleaning part, cleaning part is placed outside cover plate (9), and the cleaning part includes the cleaning nozzle (13) towards sludge storage tank; Induction part, induction part is placed in one side of sludge storage tank, and induction part includes lifting cover (17), and the bottom of lifting cover (17) is equipped with pressure sensor (19) for sensing gravity.

2. The automatic opening and closing sludge storage tank cover plate structure according to claim 1, characterized in that: One side of fixed support (1) is fixed with support shaft (10), and cover plate (9) is rotatoryly connected outside support shaft (10).

3. The automatic opening and closing sludge storage tank cover plate structure according to claim 1, characterized in that: The traction assembly further includes the mounting bracket (2) fixed in the middle of fixed support (1), the winding frame (3) is fixed in the top of mounting bracket (2), the winding roller (4) is rotatoryly connected in the middle of winding frame (3), and the winding frame (3) is fixed with worm gear reduction motor (5) for driving winding roller (4) on one side.

4. The automatic opening and closing cover plate structure of a sludge storage tank according to claim 3, wherein: The line arranging part includes the reciprocating screw (7) rotatoryly connected in the middle of winding frame (3), one end of reciprocating screw (7) is drivenly connected with winding roller (4) through belt transmission assembly (6), the outside of reciprocating screw (7) is screw connected with sliding block, and sliding block is slidably connected with winding frame (3), and steel wire rope (8) penetrates from the middle of sliding block.

5. The automatic opening and closing sludge storage tank cover plate structure according to claim 1, characterized in that: The cleaning part further includes water pipe (12) fixed outside cover plate (9), water pipe (12) is connected with external water source through electromagnetic valve, and cleaning nozzle (13) is equidistantly fixed outside water pipe (12).

6. An automatic opening and closing sludge storage tank cover plate structure according to claim 5, characterized in that: One side of the bottom of cover plate (9) is fixed with arc-shaped magnet (15), and one side of sludge storage tank is provided with magnetic switch (14) matched with arc-shaped magnet (15), and magnetic switch (14) is electrically connected with electromagnetic valve.

7. The automatic opening and closing sludge storage tank cover plate structure according to claim 1, characterized in that: The inside of lifting cover (17) is slidably connected with bottom plate (16), and a plurality of springs (18) are installed between bottom plate (16) and lifting cover (17).

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