Ladder grating filter screen plate structure
By adopting the ladder grating structure and rubber plate overlap design in the mesh plate grating filtration system, the problem of reducing filtration accuracy caused by the gap between mesh plates in the prior art is solved, and more efficient sewage filtration and firmer Device structure.
Patent Information
- Application Number
- CN202323669496.5
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2023-12-31
- Publication Date
- 2025-02-18
- Estimated Expiration
- 2033-12-31
AI Technical Summary
Due to the poor bending accuracy of the existing mesh plate grille filter mesh plates, the gaps between the two adjacent groups of mesh plates are different, resulting in a decrease in filtration accuracy and "escape" of small garbage, increasing the processing load for subsequent processes.
Using a stepped grille filter plate structure, by setting a rubber plate with one side overlap between adjacent filter plates, ensuring that there is no gap between the two adjacent filter plates, so as to avoid small garbage in sewage from the gap. Leaked.
It effectively avoids leakage and residue escape between the two filter plates during operation of the filtration system, improves the filtration accuracy, and enhances the firmness and practicality of the device.
Smart Images
Figure CN222489224U_ABST
Abstract
Description
Technical Field
[0001] The utility model belongs to the technical field of water treatment and relates to a stepped grille filter screen plate structure. Background Art
[0002] The mesh screen filter is mainly used in the pre-treatment process of municipal sewage treatment plants. It is used to filter out small garbage that is larger than the mesh screen pores, reduce the processing load of subsequent processes, and protect the impeller of subsequent process pumps. Under appropriate circumstances, it can also be used in the production process of other industries. It is one of the advanced water treatment screening equipment in China.
[0003] At present, the filter screen of the commonly used screen grille is composed of a screen surface and a side plate welded together, and the accuracy of its outer contour size depends on the bending accuracy (the bending accuracy depends on the level of the bending equipment and the operator). Since the levels of the bending equipment and the operator vary greatly, the accuracy is difficult to guarantee, resulting in different sizes of gaps between each two adjacent groups of screens. The fine garbage that was originally larger than the screen aperture should be intercepted and removed by the screen body. As the gap between the two adjacent groups of screen bodies becomes larger, some of the fine garbage that is larger than the screen aperture will "escape" from the gap between the two adjacent groups of screen bodies, reducing the filtration accuracy and increasing the processing load of subsequent processes, thereby affecting the normal operation of subsequent equipment. Summary of the invention
[0004] The utility model aims to overcome the deficiencies in the prior art and provide a stepped grille filter screen plate structure.
[0005] In order to achieve the above purpose, the following technical solutions are adopted:
[0006] The stepped grille filter screen plate structure comprises a support frame, a transmission shaft, a transmission chain, a filter screen plate and a rubber plate; the two ends of the support frame are respectively provided with a transmission shaft, the two ends of the transmission shaft are respectively connected by a transmission chain, the corresponding chain links of the two transmission chains are respectively provided with a stepped filter screen plate, the upper side of the filter screen plate is respectively provided with a rubber plate, and the rubber plate on one filter screen plate is overlapped on the lower side of another adjacent filter screen plate.
[0007] Preferably, supporting square tubes are respectively provided on both sides of the filter screen plate, and one side of the rubber plate is connected to the supporting square tube on the upper side of the filter screen plate by a connecting piece.
[0008] Preferably, connecting plates are respectively provided at both ends of the filter screen plate, and the connecting plates are respectively connected to the chain plates of the transmission chain by fasteners.
[0009] Preferably, sprockets capable of cooperating with a transmission chain are respectively provided at both ends of the transmission shaft.
[0010] Preferably, rollers capable of cooperating with sprockets are respectively provided on the connecting shafts of the transmission chain.
[0011] Preferably, the chain plate and both ends of the connecting shaft are fixed by cotter pins respectively.
[0012] Preferably, ribs are provided on the filter screen plate.
[0013] Compared with the prior art, the utility model has the following advantages:
[0014] The utility model uses a rubber plate with one side overlapped between adjacent filter screen plates. When the transmission chain drives the filter screen plates to rotate, one side of the rubber plate on one filter screen plate is always overlapped on another adjacent filter screen plate, so that there is no gap between the two adjacent filter screen plates, which can avoid leakage between the two filter screen plates when the filter system is working, and no residue will escape. The utility model has a more solid structure and strong practicality. BRIEF DESCRIPTION OF THE DRAWINGS
[0015] Figure 1 It is a structural schematic diagram of the utility model.
[0016] Figure 2 It is a partial structural schematic diagram of the utility model.
[0017] Figure 3 It is a left view schematic diagram of the filter screen plate of the utility model.
[0018] Figure 4 It is a main schematic diagram of the utility model.
[0019] Figure 5 It is a partial structural schematic diagram of the utility model.
[0020] In the figure: 1. support frame; 2. transmission shaft; 3. transmission chain; 4. filter screen; 5. rubber plate; 6. supporting square tube; 7. connecting piece; 8. connecting plate; 9. fastener; 10. sprocket; 11. roller; 12. cotter pin; 13. chain plate; 14. connecting shaft; 15. rib plate. DETAILED DESCRIPTION
[0021] In order to enable those skilled in the art to better understand the solution of the utility model, the technical solution in the embodiment of the utility model will be clearly and completely described below in conjunction with the drawings in the embodiment of the utility model. Obviously, the described embodiment is only a part of the embodiment of the utility model, not all of the embodiments. Based on the embodiment of the utility model, all other embodiments obtained by ordinary technicians in this field without creative work should fall within the scope of protection of the utility model.
[0022] like Figure 1-Figure 5As shown, a stepped grid filter screen plate structure includes a support frame 1, a transmission shaft 2, a transmission chain 3, a filter screen plate 4 and a rubber plate 5; the two ends of the support frame 1 are respectively provided with a transmission shaft 2, and the two ends of the transmission shaft 2 are respectively connected by a transmission chain 3, and the corresponding chain links of the two transmission chains 3 are both provided with a stepped filter screen plate 4, the transmission shaft 2 rotates to drive the transmission chain 3 to move, and the filter screen plate 4 gradually rises with the movement of the transmission chain 3, and when the sewage is washed on the bottom filter screen plate 4, the fine garbage in the sewage can be carried up by the filter screen plate 4;
[0023] Rubber plates 5 are respectively provided on the upper sides of the filter screen plates 4. The rubber plate 5 on one filter screen plate 4 is overlapped on the lower side of another adjacent filter screen plate 4. The rubber plate 5 covers the gap between the two adjacent filter screen plates 4, which can prevent small garbage in the sewage from leaking through the gap between the two filter screen plates, thereby making the filtering effect of the entire device more perfect.
[0024] Furthermore, supporting square tubes 6 are respectively provided on both sides of the filter screen plate 4, and the supporting square tubes 6 make the overall structure of the filter screen plate 4 more stable. One side of the rubber plate 5 is connected to the supporting square tube 6 on the upper side of the filter screen plate 4 by a connecting piece 7. Compared with the thickness of the filter screen plate 4, the supporting square tubes 6 facilitate the installation of the rubber plate 5.
[0025] Furthermore, connecting plates 8 are respectively provided at both ends of the filter screen plate 4 , and the connecting plates 8 are respectively connected to the chain plates 13 of the transmission chain 3 by fasteners 9 , and the connecting plates 8 are installed on the outer sides of the chain plates 13 by fasteners 9 .
[0026] Furthermore, sprockets 10 capable of cooperating with the transmission chain 3 are respectively provided at both ends of the transmission shaft 2 , and the transmission shaft 2 drives the transmission chain 3 to move by utilizing the sprockets 10 .
[0027] Furthermore, rollers 11 that can cooperate with the sprocket 10 are respectively arranged on the connecting shafts of the transmission chain 3 , and the rollers 11 can be stuck in the teeth of the sprocket 10 .
[0028] Furthermore, the chain plate 13 and the two ends of the connecting shaft 14 are fixed by split pins 12 respectively, and the split pins 12 fix the chain plate 13 on the connecting shaft 14 for easy disassembly and assembly.
[0029] Furthermore, the filter screen plate 4 is provided with ribs 15 , and the ribs 15 are used to strengthen the strength of the filter screen plate 4 .
[0030] Working principle: When the utility model is in use, the transmission chain 3 is installed on the support frame 1 by using the transmission shaft 2, and the filter screen plate 4 is then installed on the transmission chain 3, and one side of the rubber plate 5 is connected to the upper side of a filter screen plate 4 by using the connecting piece 7, and the other side of the rubber plate 5 is overlapped on the lower side of another adjacent filter screen plate 4. When the transmission shaft 2 rotates to drive the transmission chain 3 to move, the filter screen plate 4 gradually rises with the movement of the transmission chain 3. When the sewage is washed on the bottom filter screen plate 4, the fine garbage in the sewage can be carried up by the filter screen plate 4; the rubber plate 5 on one filter screen plate 4 is overlapped on the lower side of another adjacent filter screen plate 4, and the rubber plate 5 covers the gap between the two adjacent filter screen plates 4, which can prevent the fine garbage in the sewage from leaking through the gap between the two filter screen plates.
[0031] It is understood that the above embodiments are merely exemplary embodiments used to illustrate the principles of the present invention, but the present invention is not limited thereto. For those skilled in the art, various modifications and improvements can be made without departing from the spirit and essence of the present invention, and these modifications and improvements are also considered to be within the scope of protection of the present invention.
Claims
1. A stepped grid filter screen plate (4) structure, comprising a support frame (1), a transmission shaft (2), a transmission chain (3), a filter screen plate (4) and a rubber plate (5); wherein: Transmission shafts (2) are respectively arranged at both ends of the support frame (1), and the two ends of the transmission shaft (2) are respectively connected by transmission chains (3), and corresponding chain links of the two transmission chains (3) are respectively provided with stepped filter screen plates (4), and rubber plates (5) are respectively arranged on the upper sides of the filter screen plates (4), and the rubber plate (5) on one filter screen plate (4) is overlapped on the lower side of another adjacent filter screen plate (4).
2. The stepped grid filter screen structure according to claim 1 is characterized in that: Supporting square tubes (6) are respectively provided on both sides of the filter screen plate (4), and one side of the rubber plate (5) is connected to the supporting square tube (6) on the upper side of the filter screen plate (4) by means of a connecting piece (7).
3. The stepped grid filter screen structure according to claim 1 is characterized in that: Connecting plates (8) are respectively provided at both ends of the filter screen plate (4), and the connecting plates (8) are respectively connected to the chain plates (13) of the transmission chain (3) by means of fasteners (9).
4. The stepped grid filter screen structure according to claim 1 is characterized in that: Sprocket wheels (10) capable of matching with the transmission chain (3) are respectively provided at both ends of the transmission shaft (2).
5. The stepped grid filter screen structure according to claim 4 is characterized in that: Rollers (11) that can cooperate with the sprockets (10) are respectively arranged on the connecting shafts (14) of the transmission chain (3).
6. The stepped grid filter screen structure according to claim 1 is characterized in that: The chain plate (13) and the two ends of the connecting shaft (14) are fixed by cotter pins (12) respectively.
7. The stepped grid filter screen structure according to claim 1 is characterized in that: The filter screen plate (4) is provided with ribs (15).