Grid for bridge drainage
By introducing filter components and convenient components into bridge drainage grates, the problem of inconvenient impurity handling in existing bridge drainage grates has been solved, achieving the effects of convenient cleaning and reducing the risk of drainage pipe blockage.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- XINJIANG SHENGXIANG CONSTRUCTION ENGINEERING CO LTD
- Filing Date
- 2025-05-06
- Publication Date
- 2026-05-12
Smart Images
Figure CN224227643U_ABST
Abstract
Description
Technical Field
[0001] This utility model relates to the field of bridge drainage, and in particular to a bridge drainage grating. Background Technology
[0002] A steel grating, also known as a steel grid, is made of flat steel and twisted steel welded together. In bridge drainage systems, drainage ditches are typically installed on the bridge surface near the pedestrian walkway. The grating is laid over these ditches, and drainage pipes are installed on the outer side of the bridge, with one end connected to the drainage ditch and the other end connected to the sewer system. During rain, rainwater flows through the grating, drainage ditch, and drainage pipes before entering the sewer system.
[0003] The existing patent publication number CN219059752U discloses a bridge drainage grating, including: a bridge and a drainage ditch provided on the bridge. The top of the drainage ditch is provided with a grating, and the bottom of the grating is rotatably connected to a dustproof plate by a torsion spring. The torsion spring causes the dustproof plate to rotate in the direction of the grating. A filter frame is provided on the side of the bottom of the grating away from the torsion spring. In use, on sunny days, the dustproof plate is closed, reducing the possibility of impurities on the bridge surface entering the drainage ditch. On rainy days, the dustproof plate is opened, and under the flushing of rainwater, impurities enter the filter frame along the dustproof plate, thereby reducing the possibility of impurities clogging the drainage pipe.
[0004] However, the bridge drainage grating disclosed in the patent is not convenient for processing the collected impurities during use, and has low practicality. Therefore, we propose a bridge drainage grating to solve the above-mentioned problems. Utility Model Content
[0005] The purpose of this section is to outline some aspects of embodiments of the present invention and to briefly describe some preferred embodiments. Simplifications or omissions may be made in this section, as well as in the abstract and title of the present invention, to avoid obscuring the purpose of these documents, and such simplifications or omissions should not be construed as limiting the scope of the present invention.
[0006] Therefore, the purpose of this utility model is to provide a bridge drainage grating that can solve the problem that existing bridge drainage gratings are not convenient for processing the collected impurities and have low practicality during use.
[0007] To solve the above-mentioned technical problems, this utility model provides a bridge drainage grating, which adopts the following technical solution: it includes a bridge body and a drainage ditch. The drainage ditch is fixedly opened inside the bridge body. Supporting platforms are opened on both sides of the top of the drainage ditch. A grating plate is set between the two supporting platforms by a fixing component. A number of equally spaced drainage holes are fixedly opened inside the grating plate. A filter component is set on the bridge body.
[0008] The filter assembly includes a limiting groove, which is fixedly opened in the middle of the top of the grid plate. A connecting rod is movably fitted inside the limiting groove. Several filter boxes are fixedly arranged at equal intervals on the lower surface of the connecting rod. Several filter holes are fixedly opened on both sides of the filter boxes. The positions of the filter boxes and the drain holes correspond one-to-one, and the outer wall of the filter box and the inner wall of the drain hole are movably fitted.
[0009] A convenient component is provided in the middle of the connecting rod.
[0010] Preferably, the top of the filter box is fixedly provided with a welding port, the connecting rod is adapted to the welding port, and the connecting rod and the welding port are fixedly connected by welding.
[0011] Preferably, the upper surfaces of the grating, connecting rod, and filter box are all located on the same horizontal plane.
[0012] Preferably, there is a gap between the lower surface of the filter box and the drainage ditch.
[0013] Preferably, the fixing component includes positioning grooves, and four positioning grooves are provided. The four positioning grooves are respectively fixedly disposed at the four corners of the grating plate. A threaded cylinder is movably fitted to the inner wall of the positioning groove. The threaded cylinder is fixedly disposed on the support platform. A fixing groove located inside the grating plate structural layer is provided at the top of the positioning groove. A bolt is threadedly connected to the inside of the threaded cylinder. The nut of the bolt is located inside the fixing groove.
[0014] Preferably, the convenient component includes a placement slot, which is fixedly opened in the middle of the connecting rod. Sliding rods are slidably arranged at both ends of the placement slot. A baffle is fixedly connected to one end of the sliding rod that passes through the lower surface of the connecting rod. A handle is fixedly connected between the upper ends of the two sliding rods.
[0015] Preferably, in the initial state, the grip is located inside the placement groove, and the height of the upper surface of the connecting rod is the same as the height of the upper surface of the grip.
[0016] In summary, this utility model has at least one of the following beneficial effects:
[0017] 1. When a certain amount of impurities are collected inside the filter box, pull up the connecting rod to pull the filter box out from the drain hole, so that the impurities inside the filter box can be cleaned. This solves the problem that existing bridge drainage grates are not convenient to process the collected impurities during use and have low practicality.
[0018] 2. By installing the filter components, impurities such as stones, mud, and leaves that enter the drainage ditch are filtered, thereby reducing the risk of the drainage pipe being blocked and improving the practicality of the device.
[0019] 3. With the convenient installation of the components, when it is necessary to pull up the connecting rod, use one finger to lift the baffle so that the handle protrudes above the connecting rod, and then you can hold the handle to pull up the connecting rod and the filter box, which improves the practicality of the device;
[0020] 4. By setting up the welding joint, the connecting rod is placed inside the welding joint, which quickly completes the positioning of the filter box, and then welding is performed, improving the installation efficiency between the filter box and the connecting rod.
[0021] 5. By installing the fixing components, the positioning groove on the grating plate is fitted onto the outside of the threaded cylinder, quickly completing the positioning of the grating plate. Then, the bolts are tightened between the threaded cylinder and the fixing groove to fix the grating plate, improving the stability and convenience of the grating plate installation. Attached Figure Description
[0022] To more clearly illustrate the technical solutions of the embodiments of this utility model, the accompanying drawings used in the description of the embodiments will be briefly introduced below. Obviously, the drawings described below are only some embodiments of this utility model. For those skilled in the art, other drawings can be obtained based on these drawings without creative effort.
[0023] Figure 1 This is a three-dimensional structural diagram of a bridge drainage grille according to the present invention;
[0024] Figure 2 This is a schematic diagram showing the disassembled structure of the grid plate and filter assembly of this utility model;
[0025] Figure 3 This is a schematic diagram of the disassembled structure of the fixing component of this utility model;
[0026] Figure 4 This is a schematic diagram of the filter box structure of this utility model;
[0027] Figure 5 This is a schematic diagram of the convenient component structure of this utility model.
[0028] Explanation of reference numerals in the attached drawings: 1. Bridge body; 2. Drainage ditch; 3. Support platform; 4. Grating plate; 5. Drain hole; 6. Threaded cylinder; 7. Positioning groove; 8. Fixing groove; 9. Bolt; 10. Limiting groove; 11. Connecting rod; 12. Filter box; 13. Filter hole; 14. Weld joint; 15. Placement groove; 16. Sliding rod; 17. Baffle; 18. Handle. Detailed Implementation
[0029] 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.
[0030] Please see Figure 1-5 This utility model provides an embodiment of a bridge drainage grating, comprising a bridge body 1 and a drainage ditch 2. The drainage ditch 2 is fixedly located inside the bridge body 1. Supporting platforms 3 are provided on both sides of the top of the drainage ditch 2. A grating plate 4 is fixed between the two supporting platforms 3 by a fixing component. Several equally spaced drainage holes 5 are fixedly provided inside the grating plate 4. When it rains, rainwater passes through the drainage holes 5, the drainage ditch 2, and the drainage pipe in sequence before entering the sewer. Considering that impurities such as stones, mud, and leaves on the bridge body 1 are washed by rainwater through the drainage holes 5 and the drainage ditch 2 and enter the drainage pipe, these impurities continuously accumulate in the drainage pipe and block it. Since the drainage pipe is installed on the outside of the bridge, later maintenance and replacement require the use of tools such as elevators, which is not only time-consuming and labor-intensive but also dangerous. Therefore, this utility model provides a filter component on the bridge body 1. By installing the filter component, impurities such as stones, mud, and leaves entering the drainage ditch 2 are filtered, thereby reducing the risk of the drainage pipe being blocked and improving the practicality of the device.
[0031] Furthermore, the filter assembly includes a limiting groove 10, which is fixedly opened in the middle of the top of the grid plate 4. A connecting rod 11 is movably fitted inside the limiting groove 10. Several filter boxes 12 are fixedly arranged at equal intervals on the lower surface of the connecting rod 11. Several filter holes 13 are fixedly opened on both sides of the filter box 12. The positions of the filter box 12 and the drain hole 5 correspond one-to-one, and the outer wall of the filter box 12 and the inner wall of the drain hole 5 are movably fitted.
[0032] Specifically, impurities such as stones, mud, and leaves on the bridge body 1 are washed by rainwater through the downhole 5 and fall into the filter box 12. After being filtered by the filter box 12, they are discharged into the drainage ditch 2 through the filter hole 13, thus preventing the drainage pipe from being blocked by impurities. When a certain amount of impurities are collected inside the filter box 12, the connecting rod 11 is pulled up, causing the filter box 12 to be pulled out from inside the downhole 5, so that the impurities inside the filter box 12 can be cleaned. This solves the problem that existing bridge drainage grates are not convenient to process the collected impurities during use and have low practicality.
[0033] To facilitate the lifting of the connecting rod 11, a convenient component is provided in the middle of the connecting rod 11. The convenient component includes a placement groove 15, which is fixedly opened in the middle of the connecting rod 11. Slide rods 16 are slidably arranged at both ends of the placement groove 15. A baffle 17 is fixedly connected to one end of the slide rod 16 that passes through the lower surface of the connecting rod 11. A grip 18 is fixedly connected between the upper ends of the two slide rods 16. In the initial state, the grip 18 is located inside the placement groove 15, and the height of the upper surface of the connecting rod 11 is the same as the height of the upper surface of the grip 18.
[0034] Specifically, when it is necessary to pull up the connecting rod 11, use one finger to lift the baffle 17 so that the handle 18 protrudes above the connecting rod 11, and then you can hold the handle 18 to pull up the connecting rod 11 and the filter box 12, thus improving the practicality of the device.
[0035] In addition, the upper surfaces of the grating plate 4, connecting rod 11, filter box 12 and handle 18 are all located on the same horizontal plane, thus not affecting the flatness of the surface of the grating plate 4.
[0036] Furthermore, a welding port 14 is fixedly provided on the top of the filter box 12. The connecting rod 11 is adapted to the welding port 14, and the connecting rod 11 and the welding port 14 are fixedly connected by welding. The connecting rod 11 is placed inside the welding port 14 to quickly complete the positioning of the filter box 12, and then welding is performed to improve the installation efficiency between the filter box 12 and the connecting rod 11.
[0037] Furthermore, there is a gap between the lower surface of the filter box 12 and the drainage ditch 2. This arrangement prevents the filter box 12 from blocking the flow of water inside the drainage ditch 2.
[0038] Furthermore, the fixing component includes positioning grooves 7, of which four are provided. The four positioning grooves 7 are respectively fixed at the four corners of the grating plate 4. The inner wall of the positioning groove 7 is movably fitted with a threaded cylinder 6, which is fixedly mounted on the support platform 3. The top of the positioning groove 7 is provided with a fixing groove 8 located inside the structural layer of the grating plate 4. The threaded cylinder 6 is internally threaded with a bolt 9, and the nut of the bolt 9 is located inside the fixing groove 8. The positioning groove 7 on the grating plate 4 is fitted onto the outside of the threaded cylinder 6 to quickly complete the positioning of the grating plate 4. Then, the bolt 9 is tightened between the threaded cylinder 6 and the fixing groove 8 to fix the grating plate 4, thereby improving the stability and convenience of the installation of the grating plate 4.
[0039] Working principle: During use, impurities such as stones, mud, and leaves on the bridge body 1 are washed by rainwater through the drain hole 5 and fall into the filter box 12. After being filtered by the filter box 12, they are discharged into the drainage ditch 2 through the filter hole 13, thus preventing the drainage pipe from being blocked by impurities. When a certain amount of impurities are collected inside the filter box 12, the baffle 17 is lifted with one finger, so that the handle 18 protrudes above the connecting rod 11. Then, the handle 18 can be held to pull up the connecting rod 11 and the filter box 12, thereby cleaning the impurities inside the filter box 12.
[0040] The above are all preferred embodiments of this utility model, and are not intended to limit the scope of protection of this utility model. Therefore, all equivalent changes made to the structure, shape and principle of this utility model should be covered within the scope of protection of this utility model.
Claims
1. A bridge drainage grating, comprising a bridge body (1) and a drainage ditch (2), characterized in that: The drainage ditch (2) is fixedly opened inside the bridge body (1). Support platforms (3) are opened on both sides of the top of the drainage ditch (2). A grid plate (4) is set between the two support platforms (3) through a fixing component. Several equally spaced drainage holes (5) are fixedly opened inside the grid plate (4). A filter component is set on the bridge body (1). The filter assembly includes a limiting groove (10), which is fixedly opened in the middle of the top of the grid plate (4). A connecting rod (11) is movably fitted inside the limiting groove (10). Several filter boxes (12) are fixedly arranged at equal intervals on the lower surface of the connecting rod (11). Several filter holes (13) are fixedly opened on both sides of the filter box (12). The positions of the filter box (12) and the drain hole (5) correspond one-to-one, and the outer wall of the filter box (12) and the inner wall of the drain hole (5) are movably fitted. A convenient component is provided in the middle of the connecting rod (11).
2. A bridge drainage grating according to claim 1, characterized in that: The top of the filter box (12) is fixedly provided with a welding port (14), the connecting rod (11) and the welding port (14) are adapted to each other, and the connecting rod (11) and the welding port (14) are fixedly connected by welding.
3. A bridge drainage grating according to claim 2, characterized in that: The upper surfaces of the grating plate (4), connecting rod (11) and filter box (12) are all located on the same horizontal plane.
4. A bridge drainage grating according to claim 3, characterized in that: There is a gap between the lower surface of the filter box (12) and the drainage ditch (2).
5. A bridge drainage grating according to claim 1, characterized in that: The fixing component includes positioning grooves (7), and four positioning grooves (7) are provided. The four positioning grooves (7) are respectively fixed at the four corners of the grid plate (4). The inner wall of the positioning groove (7) is movably fitted with a threaded cylinder (6). The threaded cylinder (6) is fixedly installed on the support platform (3). The top of the positioning groove (7) is provided with a fixing groove (8) located inside the structural layer of the grid plate (4). The threaded cylinder (6) is internally threaded with a bolt (9), and the nut of the bolt (9) is located inside the fixing groove (8).
6. A bridge drainage grating according to claim 3, characterized in that: The convenient component includes a placement slot (15), which is fixedly opened in the middle of the connecting rod (11). Slide rods (16) are slidably arranged at both ends of the placement slot (15). A baffle (17) is fixedly connected to one end of the slide rod (16) that passes through the lower surface of the connecting rod (11). A handle (18) is fixedly connected between the upper ends of the two slide rods (16).
7. A bridge drainage grating according to claim 6, characterized in that: In the initial state, the grip (18) is located inside the placement groove (15), and the height of the upper surface of the connecting rod (11) is the same as the height of the upper surface of the grip (18).