Anti-blocking drainage device for bridge

Abstract

The utility model relates to the field of drainage devices, and discloses an anti-blocking drainage device for a bridge, which comprises an annular bearing plate, a drainage pipe and a drainage pipe, the filter plate is detachably connected to the interior of the annular bearing plate, a plurality of strip-shaped protrusions are integrally formed on the upper surface of the filter plate, first filter holes are formed in the side walls of the strip-shaped protrusions, the filter plate is provided with drainage channels, and the drainage channels are arranged opposite to the strip-shaped protrusions and communicate with the first filter holes; the blocking plate is located above the filtering plate, strip-shaped through holes which are in one-to-one corresponding sliding connection with the strip-shaped protrusions are formed in the blocking plate, and the blocking plate is selectively higher than the first filtering holes; the elastic piece is arranged between the filter plate and the plugging plate and is used for driving the filter plate and the plugging plate to move oppositely. According to the utility model, the possibility that sundries enter between the filter plate and the plugging plate is reduced, the situation that the plugging plate is not in place when being switched between a non-working state and a working state is avoided, and the plugging effect on the first filter hole is improved.

Description

Technical Field

[0001] This utility model relates to the field of drainage systems, and in particular to a bridge anti-clogging drainage device. Background Technology

[0002] As a crucial component of transportation engineering, the design and implementation of a bridge's drainage system directly impacts its safety and durability. By employing appropriate drainage slopes, pipes, and devices, rainwater accumulation on the bridge deck and its infiltration into the beams can be effectively prevented, thereby ensuring the bridge's stability and extending its service life.

[0003] Patent CN219032924U discloses a bridge anti-clogging drainage component. In use, rainwater flows into a collection tank, and the collected water pulls down a second filter plate, opening the first filter plate and allowing rainwater to pass through. After the rainwater has drained, the second filter plate moves upward under the action of a support spring, closing the second filter plate. This prevents the filtration device from clogging during non-operating periods and ensures normal drainage during rainfall.

[0004] Similarly, patent CN220284590U discloses an anti-clogging bridge and culvert drainage device. In use, rainwater flows to the water collection hopper, is guided by the hopper, filtered by a filter plate, and then flows downwards into the storage pipe. Water gradually accumulates in the storage pipe. As the water volume increases, a baffle moves downwards and compresses a spring. Once the baffle is in the drainage pipe, rainwater drains downwards from the side of the baffle. After the rainwater has drained, the spring pushes the baffle back to its original position, and a guide rod inserts into the filter hole to push out debris, ensuring proper drainage for the next operation.

[0005] However, during the rainwater drainage process, impurities mixed in with the rainwater will still enter and remain above the second filter plate (or partition), causing the second filter plate (or partition) to be obstructed from resetting when the spring returns, thus failing to seal the first filter plate (or the filter plate in the water collection hopper), making it difficult to ensure that there is no blockage during non-working periods. Utility Model Content

[0006] The present invention aims to provide a bridge anti-clogging drainage device to overcome the shortcomings mentioned above.

[0007] In order to achieve the above objectives, the technical solution of this utility model is as follows:

[0008] A bridge anti-clogging and drainage device, comprising:

[0009] Annular bearing plates used for pre-embedded in beams;

[0010] A filter plate is detachably connected to the annular support plate. Multiple strip-shaped protrusions are integrally formed on the upper surface of the filter plate. A first filter hole is opened on the side wall of the strip-shaped protrusions. The filter plate is provided with a drainage channel. The drainage channel is arranged opposite to the strip-shaped protrusions and is connected to the first filter hole.

[0011] A sealing plate located above the filter plate, the sealing plate having strip-shaped through holes that are slidably connected to a plurality of strip-shaped protrusions one-to-one, the sealing plate being selectively higher than the first filter holes; and

[0012] An elastic element is disposed between the filter plate and the sealing plate and is used to drive the two to move in opposite directions.

[0013] Furthermore, the first filter hole extends horizontally through the sidewall of the strip-shaped protrusion.

[0014] Furthermore, the first filter hole is located on two opposite sidewalls of the strip-shaped protrusion along its width direction.

[0015] Furthermore, the upper surface of the annular bearing plate is flush with the upper surface of the strip-shaped protrusion and is higher than the upper surface of the sealing plate.

[0016] Furthermore, multiple support columns are fixedly connected inside the strip-shaped protrusion, and the support columns are fixedly connected to the filter plate.

[0017] Furthermore, the width of the drainage channel gradually increases from top to bottom.

[0018] Furthermore, a plurality of elastic elements are provided, and the plurality of elastic elements are distributed in a rectangular array.

[0019] Furthermore, the elastic element includes:

[0020] Lower and upper sleeves, respectively fixedly connected to the filter plate and the sealing plate, are slidably inserted into each other; and

[0021] A compression spring is located inside the lower sleeve and the upper sleeve, with its two ends connected to the lower sleeve and the upper sleeve, respectively.

[0022] Furthermore, the lower end of the lower sleeve is fixedly embedded in the filter plate.

[0023] Furthermore, it also includes a filter basket detachably connected to the annular support plate, the filter basket being located directly below the filter plate, the filter basket having an opening at the top and second filter holes on the side walls and bottom plate.

[0024] Compared with the prior art, this utility model has at least the following advantages:

[0025] Because the sealing plate does not have rainwater permeation holes, it is difficult for rainwater mixed with debris to enter below the sealing plate. Without debris interference, the sealing plate effectively avoids the situation where it cannot descend to the correct position, preventing the first filter hole from opening. This allows the first filter hole to open effectively under the force of gravity, overcoming the elasticity of the elastic element. During non-working periods, the sealing plate moves upward under the action of the elastic element, pushing out any debris that falls onto its surface, thus sealing the first filter hole. Compared to traditional anti-clogging drainage devices, this invention reduces the possibility of debris entering between the filter plate and the sealing plate, prevents the sealing plate from failing to reach the correct position during non-working and working state transitions, and improves the sealing effect on the first filter hole. Attached Figure Description

[0026] To more clearly illustrate the technical solutions in the embodiments of this utility model or the prior art, the drawings used in 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.

[0027] Figure 1 This is a schematic diagram of the overall structure of the anti-clogging and drainage device for bridges according to this utility model;

[0028] Figure 2 This is a cross-sectional view of the anti-clogging and drainage device for bridges according to this utility model;

[0029] Figure 3 This is an assembly cross-sectional view of the filter plate, strip protrusions, and sealing plate of this utility model;

[0030] Figure 4 This is a schematic diagram of the filter plate and strip-shaped protrusions of this utility model;

[0031] Figure 5 This utility model Figure 3 A magnified view of a portion of region A in the middle;

[0032] Figure 6 This is a schematic diagram of the structure of the filter basket of this utility model.

[0033] Reference numerals in the attached drawings: 1. Beam; 2. Annular support plate; 3. Filter plate; 4. Drainage channel; 5. Strip-shaped protrusion; 6. First filter hole; 7. Support column; 8. Sealing plate; 9. Lower sleeve; 10. Upper sleeve; 11. Compression spring; 12. Filter basket; 13. Second filter hole. Detailed Implementation

[0034] 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.

[0035] To make the above-mentioned objectives, features and advantages of this utility model more apparent and understandable, the utility model will be further described in detail below with reference to the accompanying drawings and specific embodiments.

[0036] Reference Figure 1-2 This invention provides a bridge anti-clogging drainage device, installed at the lowest point of the bridge deck drainage slope. During rain, rainwater will flow along the bridge deck drainage slope and collect at the anti-clogging drainage device. It aims to solve the clogging problem in bridge drainage systems, ensure smooth rainwater drainage, and avoid erosion damage to the bridge deck and potential safety hazards.

[0037] The specific structure includes an annular support plate 2, a filter plate 3, a sealing plate 8, and elastic elements. The annular support plate 2 is embedded within the beam 1, serving as the foundation of the entire device and providing support for other components. A drainage pipe (not shown in the figure) is connected within the beam 1, with one end located below the annular support plate 2 and connected to the beam 1, for timely drainage of collected rainwater. The filter plate 3 is detachably connected within the annular support plate 2, with multiple strip-shaped protrusions 5 integrally formed on its upper surface. First filter holes 6 are formed on the sidewalls of the strip-shaped protrusions 5. A drainage channel 4 is also provided on the filter plate 3, located below the strip-shaped protrusions 5 and connected to the first filter holes 6. Rainwater can undergo preliminary filtration by sequentially passing through the first filter holes 6 and the drainage channel 4, and is ultimately discharged through the drainage pipe connected to the beam 1.

[0038] The sealing plate 8 has multiple strip-shaped through holes, which are slidably connected to multiple strip-shaped protrusions 5 in a one-to-one correspondence. The sealing plate 8 is selectively higher than the first filter hole 6, which prevents debris from entering the first filter hole 6 when it is not in operation, thus avoiding blockage of the first filter hole 6. An elastic element is provided between the filter plate 3 and the sealing plate 8 to drive them to move in opposite directions, so as to switch the filter plate 3 between the working state and the non-working state.

[0039] When not in operation, the sealing plate 8 is positioned above the first filter hole 6 under the action of the elastic element, thus closing the first filter hole 6 and preventing debris from entering and causing blockage when not in operation. During rainfall, rainwater will flow along the bridge deck drainage slope to the anti-blocking drainage device of this utility model. Under the action of gravity, the rainwater can overcome the elastic force of the elastic element and move the sealing plate 8 downward, so that some or all of the first filter holes 6 are positioned above the sealing plate 8, thus opening the first filter hole 6 and allowing rainwater to be discharged after passing through the first filter hole 6 and the drainage channel 4.

[0040] Because the sealing plate 8 does not have rainwater permeable holes, debris is unlikely to enter below it during rainwater drainage. Without debris interference, the sealing plate 8 can effectively prevent the first filter hole 6 from failing to open due to its inability to descend properly. During non-working periods, the sealing plate 8 moves upward under the action of the elastic element, pushing out any debris that falls onto its surface, thus maintaining the sealing effect on the first filter hole 6. Compared to traditional anti-clogging drainage devices, this invention reduces the possibility of debris entering between the filter plate 3 and the sealing plate 8, prevents the sealing plate 8 from failing to reach its proper position during the transition between working and non-working states, and improves the sealing effect on the first filter hole 6.

[0041] Combined with reference Figure 3-4 The first filter hole 6 penetrates the side wall of the strip-shaped protrusion 5 in a horizontal direction. Specifically, the first filter hole 6 is located on two opposite side walls of the strip-shaped protrusion 5 in the width direction. Compared with traditional rainwater grates, this utility model effectively increases the contact area of ​​rainwater entering the strip-shaped protrusion 5 through this design, thereby improving rainwater drainage efficiency.

[0042] Specifically, the width of the drainage channel 4 gradually increases from top to bottom, further improving the drainage efficiency of rainwater.

[0043] To improve the water collection effect of the anti-clogging drainage device of this utility model, and to avoid unevenness of the bridge deck caused by the installation of the anti-clogging drainage device, the upper surface of the annular bearing plate 2 of this utility model is flush with the upper surface of the strip-shaped protrusion 5 and consistent with the slope of the bridge deck. The upper surface of the annular bearing plate 2 is higher than the upper surface of the sealing plate 8. Rainwater will flow along the drainage slope of the bridge deck to the anti-clogging drainage device of this utility model, and then collect on the upper surface of the sealing plate 8. This achieves the effect of overcoming the elastic force of the elastic element and driving the sealing plate 8 downward under the action of the gravity of the rainwater.

[0044] Multiple support columns 7 are fixedly connected inside the strip-shaped protrusion 5. The support columns 7 are fixedly connected to the filter plate 3. The support columns 7 can divide the first filter hole 6 on each strip-shaped protrusion 5. Setting the support columns 7 can improve the support strength of the strip-shaped protrusion 5, thereby improving the structural stability of the strip-shaped protrusion 5.

[0045] Reference Figure 3 and Figure 5 The system comprises several elastic elements arranged in a rectangular array. Each elastic element includes a lower sleeve 9, an upper sleeve 10, and a compression spring 11. The lower sleeve 9 and upper sleeve 10 are fixedly connected to the filter plate 3 and the sealing plate 8 respectively, and are slidably inserted into each other. The compression spring 11 is located inside the lower sleeve 9 and upper sleeve 10, with both ends connected to the lower sleeve 9 and upper sleeve 10 respectively. Optionally, the lower end of the lower sleeve 9 is fixedly embedded within the filter plate 3.

[0046] Reference Figure 2 and Figure 6 To improve the filtration effect of this invention, a filter basket 12 is also provided. The filter basket 12 is detachably connected to the annular support plate 2 and is located directly below the filter plate 3. The top of the filter basket 12 is open, and second filter holes 13 are provided on both the side walls and the bottom plate. After debris enters below the filter plate 3 through the first filter hole 6, it can undergo secondary filtration through the filter basket 12, reducing the occurrence of drain pipe blockage.

[0047] It should be noted that after the anti-clogging drainage device of this utility model is put into use, the strip-shaped protrusion 5 and the filter basket 12 should be regularly inspected and cleaned to avoid the first filter hole 6 and / or the second filter hole 13 being blocked by debris mixed with rainwater.

[0048] In the description of this utility model, it should be understood that the terms "longitudinal", "lateral", "up", "down", "front", "back", "left", "right", "vertical", "horizontal", "top", "bottom", "inner", "outer", etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are only for the convenience of describing this utility model 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.

[0049] The embodiments described above are merely preferred embodiments of the present utility model and are not intended to limit the scope of the present utility model. Various modifications and improvements made to the technical solutions of the present utility model by those skilled in the art without departing from the spirit of the present utility model should fall within the protection scope defined by the claims of the present utility model.

Claims

1. A bridge anti-clogging drainage device, characterized in that, include: Annular bearing plate (2) for pre-embedded in beam (1); A filter plate (3) is detachably connected to the annular support plate (2). The filter plate (3) has multiple strip-shaped protrusions (5) integrally formed on its upper surface. The sidewalls of the strip-shaped protrusions (5) are provided with first filter holes (6). The filter plate (3) is provided with a drain channel (4). The drain channel (4) is arranged opposite to the strip-shaped protrusions (5) and is connected to the first filter hole (6). A sealing plate (8) located above the filter plate (3) is provided with strip-shaped through holes that are slidably connected to a plurality of strip-shaped protrusions (5) in a one-to-one correspondence. The sealing plate (8) is selectively higher than the first filter hole (6); and An elastic member is disposed between the filter plate (3) and the sealing plate (8) and is used to drive the two to move in opposite directions.

2. The anti-clogging drainage device for bridges according to claim 1, characterized in that, The first filter hole (6) penetrates the sidewall of the strip-shaped protrusion (5) in the horizontal direction.

3. The anti-clogging drainage device for bridges according to claim 2, characterized in that, The first filter hole (6) is located on the two sidewalls opposite each other along the width direction of the strip protrusion (5).

4. The anti-clogging drainage device for bridges according to claim 1, characterized in that, The upper surface of the annular bearing plate (2) is flush with the upper surface of the strip protrusion (5) and higher than the upper surface of the sealing plate (8).

5. The anti-clogging drainage device for bridges according to claim 1, characterized in that, Multiple support columns (7) are fixedly connected inside the strip-shaped protrusion (5), and the support columns (7) are fixedly connected to the filter plate (3).

6. The anti-clogging drainage device for bridges according to claim 1, characterized in that, The width of the drainage channel (4) gradually increases from top to bottom.

7. The anti-clogging drainage device for bridges according to claim 1, characterized in that, The elastic element is provided in a plurality of forms, which are arranged in a rectangular array.

8. The anti-clogging drainage device for bridges according to claim 7, characterized in that, The elastic element includes: The lower sleeve (9) and upper sleeve (10) are fixedly connected to the filter plate (3) and the sealing plate (8) respectively, and the lower sleeve (9) and upper sleeve (10) are slidably inserted into each other; and A compression spring (11) is located inside the lower sleeve (9) and the upper sleeve (10), with its two ends connected to the lower sleeve (9) and the upper sleeve (10) respectively.

9. The anti-clogging drainage device for bridges according to claim 8, characterized in that, The lower end of the lower sleeve (9) is fixedly embedded in the filter plate (3).

10. The anti-clogging drainage device for bridges according to any one of claims 1 to 9, characterized in that, It also includes a filter basket (12) that is detachably connected to the annular support plate (2). The filter basket (12) is located directly below the filter plate (3). The top of the filter basket (12) is open, and the side walls and bottom plate are provided with second filter holes (13).

Images