Sand screening device for water conservancy project

Abstract

The utility model provides a sand screening device for hydraulic engineering, and belongs to the technical field of sand screening devices. Comprising a frame, a control box is fixedly arranged in the center of one side of the frame, a working bin is fixedly arranged in the center of the other side of the frame, a sand inlet is formed in the edge of the upper end face of the working bin, and a plurality of reverse baffles are fixedly arranged on the periphery of the inner surface of the sand inlet; two supporting devices are fixedly arranged on each of the two sides of the working bin, and a discharging bin is fixedly arranged on the lower end face of the working bin; the reverse baffle is arranged, the inclination direction of the reverse baffle is opposite to the material entering direction to prevent materials from directly falling into the bottom of the working bin when the materials enter the working bin, the materials are more evenly distributed in the working bin through guiding of the reverse baffle, and sand can be effectively prevented from entering the device and directly flowing to the discharging bin; and the working efficiency is effectively improved.

Description

Technical Field

[0001] The utility model relates to the technical field of sand screening devices, in particular to a sand screening device for water conservancy projects. Background Technique

[0002] A water conservancy project is a project built to control and allocate surface water and groundwater in nature to achieve the purpose of eliminating disasters and bringing benefits, and is also called a water project. Water is an indispensable precious resource for human production and life. However, its natural state does not fully meet the needs of humans. Only by building water conservancy projects can the flow of water be controlled, flood disasters be prevented, and the regulation and distribution of water volume be carried out to meet the needs of people's lives and production for water resources.

[0003] A conventional sand screening device for water conservancy projects can refer to the utility model patent with the Chinese patent publication number CN220658307U. It discloses a sand screening device for water conservancy project construction, including a first return-shaped frame and support rods at the bottom of the first return-shaped frame. Shock-absorbing blocks are respectively arranged at the four corners of the top surface of the first return-shaped frame. A second return-shaped frame is jointly arranged on the top surfaces of the four shock-absorbing blocks. A lower part of the inner side wall of the middle part of the second return-shaped frame is fixedly provided with an H-shaped connecting frame. A vibration motor is fixedly arranged at the middle position of the H-shaped connecting frame. And protective sleeves that can conduct flow are also arranged at the two ends of the top surface of the H-shaped connecting frame corresponding to the vibration motor. A detachable screen is also arranged on the top surface of the second return-shaped frame. Swingable support devices that can swing up and down are respectively arranged between the top surfaces of the left and right ends of the first return-shaped frame and the bottom surface of the second return-shaped frame. The utility model can not only perform a comprehensive and uniform screening operation on sand, but also ensure the stability during use, thereby improving the use efficiency of the device.

[0004] However, it is found in the actual use process of the device that although the above device can screen sand, it only has one filtration, and there is no baffle at the inlet, which cannot ensure that sand will not leak to the lower part, resulting in uneven screening. Therefore, this application provides a sand screening device for water conservancy projects to meet the requirements. Summary of the Utility Model

[0005] The technical problem to be solved by the utility model is to provide a sand screening device for water conservancy projects to solve the problems of only one sand screening and no baffle at the inlet in the prior art.

[0006] To solve the above technical problems, the utility model provides the following technical solutions:

[0007] A sand screening device for water conservancy projects, comprising: a frame, a control box is fixedly arranged at the center position on one side of the frame, a working bin is fixedly arranged at the center position on the other side of the frame, a sand inlet is arranged at the edge position of the upper end surface of the working bin, a plurality of reverse baffles are fixedly arranged around the inner surface of the sand inlet, a plurality of screening structures are fixedly arranged on the inner wall of the working bin, two support devices are fixedly arranged on both sides of the working bin, a discharge bin is fixedly arranged at the lower end surface of the working bin, a rotator is fixedly arranged at a position close to the center of the upper end surface of the working bin, the other side of the rotator is rotatably connected with an upper cover, and an observation window is fixedly arranged at the edge position of the upper end surface of the upper cover.

[0008] The screening structure includes a main body, limiting plates are fixedly arranged on both sides of the upper end surface of the main body, and a screen mesh is clamped around the inner surface of the main body.

[0009] A first screening port is connected to the outlet of the screening structure at the uppermost part of the inner wall of the working bin, a second screening port is connected to the outlet of the screening structure at the central position of the inner wall of the working bin, and a third screening port is connected to the outlet of the screening structure at the lowermost part of the inner wall of the working bin.

[0010] A plurality of rubber seats are fixedly arranged at the edge position of the lower end surface of the upper cover, and the plurality of rubber seats can prevent damage when the upper cover is closed.

[0011] One side of the support device is connected to the frame and the other side is connected to the working bin, and a discharge port is arranged at the central position of the lower end surface of the discharge bin.

[0012] Limiting rods are fixedly arranged at the edge position of the upper end surface of the frame.

[0013] A plurality of handles are fixedly arranged at the edge position of the upper end surface of the main body.

[0014] Compared with the prior art, the present utility model has at least the following beneficial effects:

[0015] 1. In the above solution, the device is provided with reverse baffles at the sand inlet, and the inclination direction of the reverse baffles is opposite to the direction of material entry, preventing the material from directly falling to the bottom of the working bin when entering. Instead, through the guidance of the reverse baffles, the material is more evenly distributed in the working bin, effectively avoiding the sand entering the device and directly flowing to the discharge bin, and effectively improving the working efficiency.

[0016] 2. In the above solution, the device is provided with three layers of screening structures on the inner wall of the working bin. The three layers of screening structures perform multi-level screening on the sand to be screened, which can greatly avoid the fine sand after screening still being doped with other items. The screen mesh inside the screening structure is clamped, and the screen mesh can be replaced. Different screen meshes are replaced according to different screening requirements, making the application range of the device wider. Description of the Drawings

[0017] The accompanying drawings incorporated herein and constituting a part of the specification illustrate embodiments of the present disclosure and, together with the specification, are further used to explain the principles of the present disclosure and enable those skilled in the relevant art to implement and use the present disclosure.

[0018] Figure 1 It is a three-dimensional structural schematic diagram of a sand screening device for water conservancy projects;

[0019] Figure 2 It is a three-dimensional structural schematic diagram of another perspective of the sand screening device for water conservancy projects;

[0020] Figure 3 It is a schematic diagram of another perspective of the internal structure of the sand screening device for water conservancy projects;

[0021] Figure 4 It is a schematic diagram of the internal structure of the sand screening device for water conservancy projects;

[0022] Figure 5 It is a schematic diagram of the screening structure of the sand screening device for water conservancy projects.

[0023] [Reference numerals]

[0024] 1. Frame; 2. Control box; 3. Sand inlet; 4. Reverse baffle; 5. Rotator; 6. Upper cover; 7. Limiting rod; 8. Working bin; 9. Screening structure; 901. Main body; 902. Screen mesh; 903. Limiting plate; 904. Handle; 10. Support device; 11. Observation window; 12. Discharge port; 13. First screening port; 14. Second screening port; 15. Third screening port; 16. Rubber seat; 17. Discharge bin.

[0025] As shown in the figure, in order to clearly implement the structure of the embodiments of the present invention, specific structures and devices are marked in the figure, but this is only for schematic purposes and is not intended to limit the present invention to this specific structure, device, and environment. According to specific needs, those of ordinary skill in the art can adjust or modify these devices and environments, and the adjustments or modifications made are still included within the scope of the appended claims. Detailed implementation manners

[0026] The following provides a detailed description of a sand screening device for water conservancy projects provided by the present invention in conjunction with the accompanying drawings and specific embodiments. At the same time, it should be noted here that in order to make the embodiments more detailed, the following embodiments are the best and preferred embodiments. Those skilled in some well-known technical fields can also implement them in other alternative ways; moreover, the accompanying drawings are only for more specifically describing the embodiments and are not intended to specifically limit the present invention.

[0027] It should be noted that in the specification, the mention of "an embodiment", "embodiment", "exemplary embodiment", "some embodiments", etc. indicates that the described embodiments may include specific features, structures or characteristics, but not necessarily every embodiment includes such specific features, structures or characteristics. Additionally, when combining embodiments to describe a specific feature, structure or characteristic, the implementation of such feature, structure or characteristic in combination with other embodiments (whether explicitly described or not) should be within the knowledge scope of those skilled in the relevant art.

[0028] As Figures 1 to 5 shown, an embodiment of the present utility model provides a sand screening device for water conservancy projects, including: a frame 1, a control box 2 is fixedly arranged at the central position on one side of the frame 1, a working bin 8 is fixedly arranged at the central position on the other side of the frame 1, a sand inlet 3 is opened at the edge position of the upper end surface of the working bin 8, a plurality of reverse baffles 4 are fixedly arranged around the inner surface of the sand inlet 3, a plurality of screening structures 9 are fixedly arranged on the inner wall of the working bin 8, two support devices 10 are fixedly arranged on both sides of the working bin 8, a discharge bin 17 is fixedly arranged at the lower end surface of the working bin 8, a rotator 5 is fixedly arranged near the central position of the upper end surface of the working bin 8, the other side of the rotator 5 is rotatably connected with an upper cover 6, an observation window 11 is fixedly arranged at the edge position of the upper end surface of the upper cover 6. The frame 1 is the basic structure of the whole device, used to support and fix other components. The control box 2 is used to control the operation of the device, including starting, stopping, and adjusting parameters. The working bin 8 conducts sand screening or screening of other materials. The sand inlet 3 is for the entry of materials. Reverse means that their inclination directions are opposite to the direction of material entry to prevent the materials from directly falling to the bottom of the working bin 8 when entering, but through the guidance of the reverse baffles 4, the materials are more evenly distributed in the working bin 8. The screening structure 9 is used to select materials. The support device 10 stabilizes the working bin 8 to prevent the vibration during work from causing the device to be unstable. The discharge bin 17 discharges the screened materials. The rotator 5 is used to drive the opening and closing of the upper cover 6. The upper cover 6 is connected to the working bin 8 through the rotator 5 and can be opened and closed, facilitating the maintenance and cleaning of the inside of the working bin 8. The observation window 11 facilitates the operator to observe the internal situation during the operation of the device, check the material screening status or the device operation condition.

[0029] As Figure 3 and Figure 5As shown, the screening structure 9 includes a main body 901. On both sides of the upper end surface of the main body 901, limiting plates 903 are fixedly arranged. A screen 902 is clamped around the inner surface of the main body 901. The main body 901 is the basis of the screening structure 9. The main function of the limiting plates 903 is to limit the displacement of the screen 902, prevent the screen 902 from shifting or loosening due to vibration during the screening process, and ensure the stability of the screening process. The screen 902 is the key component in the screening structure 9 to achieve material screening. The material and mesh size of the screen 902 are selected according to the characteristics of the screening material, such as particle size, shape, and hardness. The screen 902 is fixed by clamping with the inner surface of the main body 901, which is convenient for installation and replacement. When the screen 902 is worn or damaged, it can be easily replaced without replacing the entire screening structure 9, reducing the maintenance cost and time.

[0030] As Figure 2 and Figure 3 As shown, at the outlet of the screening structure 9 at the uppermost part of the inner wall of the working bin 8, a first screening outlet 13 is connected. At the outlet of the screening structure 9 at the central position of the inner wall of the working bin 8, a second screening outlet 14 is connected. At the outlet of the screening structure 9 at the lowermost part of the inner wall of the working bin 8, a third screening outlet 15 is connected. The first screening outlet 13 is used for the waste material from the first screening to flow out. The second screening outlet 14 is used for the waste material from the second screening to flow out. The third screening outlet 15 is used for the waste material from the third screening to flow out.

[0031] As Figure 2 As shown, at the edge position of the lower end surface of the upper cover 6, a plurality of rubber seats 16 are fixedly arranged. The plurality of rubber seats 16 can prevent the upper cover 6 from being damaged when it is closed. The rubber seats 16 have good elasticity. When the upper cover 6 is closed, the rubber seats 16 can absorb the impact force when the upper cover 6 and the working bin 8 are closed, playing a buffering role, preventing hard collisions from damaging the upper cover 6 and the working bin 8, and extending the service life of the equipment. The elasticity of the rubber seats 16 can also form a good seal when the upper cover 6 and the working bin 8 are closed, reducing the leakage of dust during the sand screening process, keeping the working environment clean, and at the same time reducing the loss of materials, improving the efficiency and economy of material screening.

[0032] As Figure 1 and Figure 2 As shown, one side of the support device 10 is connected to the frame 1 and the other side is connected to the working bin 8. At the central position of the lower end surface of the discharge bin 17, a discharge port 12 is opened. The support device 10 ensures that during the sand screening process, the working bin 8 will not shift or collapse due to vibration or external forces. The discharge port 12 is used for the fine sand after screening to flow out.

[0033] As Figure 1 and Figure 2 As shown, at the edge position of the upper end surface of the frame 1, a limiting rod 7 is fixedly arranged. The limiting rod 7 is used to fix the opening position of the upper cover 6 to prevent someone from accidentally opening the upper cover 6 during work and damaging the screening process.

[0034] As Figure 3 and Figure 5 shown, a plurality of handles 904 are fixedly arranged at the edge position of the upper end surface of the main body 901. The handles 904 are used to lift the main body 901, facilitating its maintenance or replacement.

[0035] In the technical solution provided by the present utility model, during operation, the device is started through the control box 2. The sand to be screened is externally conveyed to the sand inlet 3. The reverse baffle 4 inside the sand inlet 3 guides the incoming sand to enter the working chamber 8. After the sand enters the working chamber 8, it is screened through the screen 902 inside the uppermost screening structure 9. The screened sand is secondarily screened through the screening structure 9 at the central position of the inner wall of the working chamber 8. After the secondary screening, it flows to the screening structure 9 at the lowermost position of the inner wall of the working chamber 8 for the third screening. After the screening is completed, it flows to the discharge bin 17 and flows out through the discharge port 12 below the discharge bin 17.

[0036] The present utility model encompasses any substitutions, modifications, equivalent methods, and solutions made within the essence and scope of the present utility model. To enable the public to have a thorough understanding of the present utility model, specific details are elaborated in the above preferred embodiments of the present utility model. However, those skilled in the art can fully understand the present utility model even without the description of these details. Additionally, to avoid unnecessary confusion to the essence of the present utility model, well-known methods, processes, procedures, components, and circuits are not described in detail.

[0037] Those of ordinary skill in the art can understand that all or part of the steps in implementing the above-described embodiment methods can be completed by instructing relevant hardware through a program. This program can be stored in a computer-readable storage medium, such as ROM / RAM, magnetic disks, optical discs, etc.

[0038] The above description is only a preferred embodiment of the present utility model. It should be noted that for those of ordinary skill in the art, without departing from the principle of the present utility model, several improvements and refinements can be made, and these improvements and refinements should also be regarded as the protection scope of the present utility model.

Claims

1. A sand screening device for water conservancy projects, characterized in that: include: A frame (1) is provided, wherein a control box (2) is fixedly provided at the center position of one side of the frame (1), a working bin (8) is fixedly provided at the center position of the other side of the frame (1), a sand inlet (3) is provided at the edge position of the upper end surface of the working bin (8), a plurality of reverse baffles (4) are fixedly provided around the inner surface of the sand inlet (3), a plurality of screening structures (9) are fixedly provided on the inner wall of the working bin (8), two supporting devices (10) are fixedly provided on both sides of the working bin (8), a discharge bin (17) is fixedly provided on the lower end surface of the working bin (8), a rotator (5) is fixedly provided near the center position of the upper end surface of the working bin (8), an upper cover (6) is rotatably connected to the other side of the rotator (5), and an observation window (11) is fixedly provided at the edge position of the upper end surface of the upper cover (6).

2. The sand screening device for water conservancy projects according to claim 1, characterized in that, The screening structure (9) comprises a main body (901), with limit plates (903) fixedly provided on both sides of the upper end surface of the main body (901), and a screen (902) clamped around the inner surface of the main body (901).

3. The sand screening device for water conservancy projects according to claim 1, wherein, The outlet of the screening structure (9) at the top of the inner wall of the working bin (8) is connected to a first screening port (13), the outlet of the screening structure (9) at the center of the inner wall of the working bin (8) is connected to a second screening port (14), and the outlet of the screening structure (9) at the bottom of the inner wall of the working bin (8) is connected to a third screening port (15).

4. The sand screening device for water conservancy projects according to claim 1, characterized in that, A plurality of rubber seats (16) are fixedly provided at the edge of the lower end surface of the upper cover (6), and the plurality of rubber seats (16) can prevent the upper cover (6) from being damaged when it is closed.

5. The sand screening device for water conservancy projects according to claim 1, wherein One side of the support device (10) is connected to the frame (1) and the other side is connected to the working bin (8), and a discharge port (12) is provided at the center of the lower end surface of the discharge bin (17).

6. The sand screening device for water conservancy projects according to claim 1, wherein, A limiting rod (7) is fixedly provided at the edge of the upper end surface of the frame (1).

7. The sand screening device for water conservancy projects according to claim 2, characterized in that, A plurality of handles (904) are fixedly provided at the edge of the upper end surface of the main body (901).

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