Grid for wastewater treatment
By introducing a combination design of longitudinal and transverse plates into the wastewater treatment bar, and utilizing a combination of fixed rods, movable rods, and springs, individual disassembly and replacement can be achieved, solving the problem of complex maintenance of existing bar and improving maintenance efficiency.
Patent Information
- Application Number
- CN202520209127.8
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-02-11
- Publication Date
- 2025-12-02
- Estimated Expiration
- 2035-02-11
AI Technical Summary
Existing wastewater treatment screens require complete disassembly when components are damaged, making maintenance complex and inefficient.
The design employs both longitudinal and transverse plate structures, utilizing a combination of fixed rods, movable rods, springs, and locking bolts to enable the individual disassembly and replacement of the longitudinal and transverse plates, simplifying the maintenance process.
It enables the separate disassembly of longitudinal and transverse panels, improving maintenance efficiency and reducing maintenance costs and labor intensity.
Smart Images

Figure CN223615469U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of wastewater treatment technology, and in particular to a bar screen for wastewater treatment. Background Technology
[0002] Grating is a steel product made by arranging flat steel bars at certain intervals and crossbars, and welding them together to form a grid with square bars in the middle. The crossbars are generally made of twisted square steel, and the grating is generally made of carbon steel. In existing steel gratings, the edge plates are usually fixed to the crossbars and longitudinal bars by soldering. When a component is damaged due to external or human reasons, the entire grating may need to be replaced in severe cases. This usually requires disassembly and re-welding, which increases the user's maintenance costs and labor intensity.
[0003] The utility model patent with publication number CN111021518B provides a steel grating that is easy to maintain. An L-shaped plate extends through one side of the edging plate and into the inner cavity of the edging plate. Pressure plates are fixedly connected to the top and bottom of the L-shaped plate extending into the inner cavity of the edging plate. A first spring is fixedly connected between one side of the pressure plate and the inner wall of the edging plate. A partition is fixedly connected between the top and bottom of the inner cavity of the transverse plate. A second spring is fixedly connected to both the surface and back of the partition. A limit block is fixedly connected to the end of the second spring away from the partition. The side of the limit block away from the second spring sequentially extends through the transverse plate and the edging plate into the inner cavity of the edging plate. This design allows for quick separation of the edging plate, transverse plate, and longitudinal plate. In the event of damage caused by external factors or human error, each component can be directly maintained, reducing user losses and maintenance costs.
[0004] Although the steel grating can be maintained by repairing individual components when damaged, the horizontal and vertical plates are still connected together. Therefore, maintenance requires disassembling all the horizontal and vertical plates, which is a complicated process and slow to maintain. Utility Model Content
[0005] The purpose of this utility model is to provide a wastewater treatment bar that solves the problem that the horizontal and vertical plates are still connected together, and maintenance requires disassembling all the horizontal and vertical plates, which is a complicated process and slow in maintenance efficiency.
[0006] To achieve the above objectives, this utility model provides a wastewater treatment bar, including a edging plate and a bar assembly. The bar assembly includes multiple longitudinal plate structures and multiple transverse plate structures. The multiple longitudinal plate structures are spaced apart on the inner side of the edging plate and are arranged in parallel. Multiple transverse plate structures are spaced apart between any two adjacent longitudinal plate structures. Each transverse plate structure includes a fixed rod, two first springs, and two movable rods. Both ends of the fixed rod have mounting cavities. The two movable rods are slidably connected to the fixed rod and are located in the mounting cavities at both ends of the fixed rod. The two first springs are respectively disposed in the mounting cavities at both ends of the fixed rod and are fixedly connected to the fixed rod and the movable rods, respectively. The movable rods are detachably connected to the longitudinal plate structures.
[0007] The longitudinal plate structure includes a longitudinal rod, a first locking bolt, an adjusting rod, and a second locking bolt. The first locking bolt is rotatably connected to the longitudinal rod and is located at one end of the longitudinal rod. The first locking bolt is threadedly connected to the edge plate. The adjusting rod is slidably connected to the longitudinal rod and is located at the end of the longitudinal rod away from the first locking bolt. The second locking bolt is rotatably connected to the adjusting rod and is located at the end of the adjusting rod away from the longitudinal rod. The second locking bolt is threadedly connected to the edge plate.
[0008] The longitudinal plate structure further includes a second spring, the two ends of which are fixedly connected to the adjusting rod and the longitudinal rod, respectively, and the second spring is located inside the longitudinal rod.
[0009] The movable rod has a fixed seat at the end away from the fixed rod, and the longitudinal rod has a fixed groove that matches the fixed seat, with the fixed seat located inside the fixed groove.
[0010] The movable rod has multiple grooves on both sides, and the multiple grooves extend along the length direction of the movable rod.
[0011] This utility model discloses a wastewater treatment screen. When the screen is damaged, the corresponding longitudinal plate structure or the transverse plate structure can be replaced. Each longitudinal plate structure and each transverse plate structure can be disassembled individually, making the disassembly process more convenient and improving maintenance efficiency. It solves the problem that the transverse plates and longitudinal plates are still connected together, and maintenance still requires disassembling all the transverse plates and longitudinal plates, which is a complicated process and slow maintenance efficiency. Attached Figure Description
[0012] To more clearly illustrate the technical solutions in the embodiments of this application or the prior art, the accompanying drawings used in the description of the embodiments or the prior art will be briefly introduced below.
[0013] Figure 1 This is a schematic diagram of the structure of a bar screen for wastewater treatment according to this utility model.
[0014] Figure 2 This is a front view of a wastewater treatment bar according to the present invention.
[0015] Figure 3 This is a structural cross-sectional view of a wastewater treatment bar according to the present invention.
[0016] 100-Edging plate, 210-Fixing rod, 211-Mounting cavity, 220-First spring, 230-Moving rod, 231-Fixing seat, 232-Groove, 310-Longitudinal rod, 311-Fixing groove, 320-First locking bolt, 330-Adjusting rod, 340-Second locking bolt, 350-Second spring. Detailed Implementation
[0017] The embodiments of the present invention are described in detail below. Examples of the embodiments are shown in the accompanying drawings. The embodiments described below with reference to the accompanying drawings are exemplary and intended to explain the present invention, but should not be construed as limiting the present invention.
[0018] Please see Figures 1-3 , Figure 1 This is a schematic diagram of the structure of a bar screen for wastewater treatment according to this utility model. Figure 2 This is a front view of a wastewater treatment bar according to this utility model. Figure 3 This is a structural cross-sectional view of a wastewater treatment bar according to the present invention.
[0019] This utility model provides a bar for wastewater treatment, including a edging plate 100 and a bar assembly; the bar assembly includes multiple longitudinal plate structures and multiple transverse plate structures, the transverse plate structures include a fixed rod 210, two first springs 220 and two movable rods 230, and the longitudinal plate structures include a longitudinal rod 310, a first locking bolt 320, an adjusting rod 330, a second locking bolt 340 and a second spring 350;
[0020] In this specific embodiment, multiple longitudinal plate structures are spaced apart on the inner side of the edge-sealing plate 100, and the multiple longitudinal plate structures are arranged in parallel. Multiple transverse plate structures are spaced apart between any two adjacent longitudinal plate structures. Both ends of the fixed rod 210 have mounting cavities 211. Two movable rods 230 are slidably connected to the fixed rod 210, and the two movable rods 230 are respectively located in the mounting cavities 211 at both ends of the fixed rod 210. Two first springs 220 are respectively disposed in the mounting cavities 211 at both ends of the fixed rod 210. The two ends of the first springs 220 are fixedly connected to the fixed rod 210 and the movable rods 230, respectively. The movable rods 230 are detachably connected to the longitudinal plate structures. The edge-sealing plate 100 is used to install the longitudinal plate structure. Multiple transverse plate structures are spaced apart between the longitudinal plate structures. The first spring 220 abuts against the movable rod 230, causing the movable rod 230 to tend to move away from the fixed rod 210. The movable rod 230 can slide inside the mounting cavity 211, thus the overall length of the transverse plate structure can be adjusted. The end of the movable rod 230 away from the fixed rod 210 is abutted against the longitudinal plate structure under the action of the first spring 220, fixing the transverse plate structure between two adjacent longitudinal plate structures. Multiple longitudinal plate structures and multiple transverse plate structures are staggered together to treat wastewater. When the grille is damaged, the corresponding longitudinal plate structure or the transverse plate structure can be replaced. Each longitudinal plate structure and each transverse plate structure can be disassembled individually, making the disassembly process more convenient and improving maintenance efficiency. This solves the problem that the transverse plates and longitudinal plates are still connected together, and maintenance still requires disassembling the entire transverse plate and longitudinal plate, which is a complicated process and slow maintenance efficiency.
[0021] The first locking bolt 320 is rotatably connected to the longitudinal rod 310, and is located at one end of the longitudinal rod 310. The first locking bolt 320 is threadedly connected to the edging plate 100. The adjusting rod 330 is slidably connected to the longitudinal rod 310, and is located at the end of the longitudinal rod 310 away from the first locking bolt 320. The second locking bolt 340 is rotatably connected to the adjusting rod 330, and is located at the end of the adjusting rod 330 away from the longitudinal rod 310. The second locking bolt 340 is threadedly connected to the edging plate 100. The first locking bolt 320 connects one end of the longitudinal rod 310 to the edging plate 100. The adjusting rod 330 can slide relative to the longitudinal rod 310. The second locking bolt 340 connects the other end of the longitudinal rod 310 to the edging plate 100, thereby fixing the longitudinal plate structure to the inner side of the edging plate 100.
[0022] Furthermore, the two ends of the second spring 350 are fixedly connected to the adjusting rod 330 and the longitudinal rod 310, respectively, and the second spring 350 is located inside the longitudinal rod 310. The second spring 350 supports the adjusting rod 330, causing the adjusting rod 330 to tend to move away from the longitudinal rod 310. When installing the longitudinal plate structure, the adjusting rod 330 is first squeezed to slide into the longitudinal rod 310, so that the overall length of the longitudinal plate structure is less than the length of the edge plate 100, so that the longitudinal plate structure is placed inside the edge plate 100. Then, the first locking bolt 320 and the second locking bolt 340 are rotated to fix the longitudinal plate structure inside the edge plate 100.
[0023] Furthermore, a fixing seat 231 is provided at the end of the movable rod 230 away from the fixed rod 210, and the longitudinal rod 310 has a fixing groove 311 adapted to the fixing seat 231, with the fixing seat 231 located inside the fixing groove 311. When installing the transverse plate structure, the movable rod 230 is first squeezed into the mounting cavity 211, thereby shortening the overall length of the transverse plate structure to facilitate its placement between the two longitudinal rods 310. Then, the fixing seat 231 is aligned with the fixing groove 311 and inserted. The fixing seat 231 remains within the fixing groove 311 under the support of the first spring 220, thus fixing the transverse plate structure between the two adjacent longitudinal rods 310.
[0024] Secondly, both sides of the movable rod 230 have multiple grooves 232, which extend along the length of the movable rod 230. The multiple grooves 232 on the outer side of the movable rod 230 facilitate the sliding of the movable rod 230 by workers through the grooves 232, thus facilitating the assembly and disassembly of the transverse plate structure.
[0025] The above-disclosed embodiments are merely one or more preferred embodiments of this application and should not be construed as limiting the scope of this application. Those skilled in the art can understand that all or part of the processes for implementing the above embodiments and equivalent changes made in accordance with the claims of this application still fall within the scope of this application.
[0026] The plurality of grooves allow workers to slide the movable rod through the grooves, facilitating the assembly and disassembly of the transverse plate structure.
[0027] The above-disclosed embodiments are merely one or more preferred embodiments of this application and should not be construed as limiting the scope of this application. Those skilled in the art can understand that all or part of the processes for implementing the above embodiments and equivalent changes made in accordance with the claims of this application still fall within the scope of this application.
Claims
1. A bar screen for wastewater treatment, comprising a edging plate, characterized in that, It also includes grille components; The grille assembly includes multiple longitudinal plate structures and multiple transverse plate structures. The multiple longitudinal plate structures are spaced apart on the inner side of the edge-sealing plate and are arranged in parallel. Multiple transverse plate structures are spaced apart between any two adjacent longitudinal plate structures. Each transverse plate structure includes a fixed rod, two first springs, and two movable rods. Both ends of the fixed rod have mounting cavities. The two movable rods are slidably connected to the fixed rod and are located in the mounting cavities at both ends of the fixed rod. The two first springs are respectively located in the mounting cavities at both ends of the fixed rod and are fixedly connected to the fixed rod and the movable rod, respectively. The movable rods are detachably connected to the longitudinal plate structures.
2. The wastewater treatment screen as described in claim 1, characterized in that, The longitudinal plate structure includes a longitudinal rod, a first locking bolt, an adjusting rod, and a second locking bolt. The first locking bolt is rotatably connected to the longitudinal rod and is located at one end of the longitudinal rod. The first locking bolt is threadedly connected to the edge plate. The adjusting rod is slidably connected to the longitudinal rod and is located at the end of the longitudinal rod away from the first locking bolt. The second locking bolt is rotatably connected to the adjusting rod and is located at the end of the adjusting rod away from the longitudinal rod. The second locking bolt is threadedly connected to the edge plate.
3. The wastewater treatment screen as described in claim 2, characterized in that, The longitudinal plate structure also includes a second spring, the two ends of which are fixedly connected to the adjusting rod and the longitudinal rod, respectively, and the second spring is located inside the longitudinal rod.
4. The wastewater treatment screen as described in claim 2, characterized in that, The movable rod has a fixed seat at one end away from the fixed rod, and the longitudinal rod has a fixing groove that matches the fixed seat, with the fixed seat located inside the fixing groove.
5. The wastewater treatment screen as described in claim 2, characterized in that, Both sides of the movable rod have multiple grooves, which extend along the length of the movable rod.
Citation Information
Patent Citations
An easy-to-maintain steel grating
CN111021518B