Filtering device for road and bridge construction drainage

Abstract

The utility model discloses a filtering device for road and bridge construction drainage, which comprises a first flange plate, a water inlet pipe is welded on one side of the first flange plate, and a filtering box is welded on one side of the water inlet pipe. The impurity storage cylinder is mounted on one side of the filter box, when wastewater flows through the metal grating, large impurities can be blocked and fall into the impurity storage cylinder, and after the impurity storage cylinder is loaded to a certain degree, the pressing plate can be pressed to compress the impurities, so that more impurities can be stored conveniently; the amount of impurities can be judged according to the pressing depth of a pressing plate, the pressing plate can return to the original position through a limiting spring after pressing, and when the impurity storage barrel is full, the impurity storage barrel can be pressed downwards, and a first limiting block slides out of a first limiting groove; and a first handle is grabbed to rotate the impurity storage barrel to enable a first limiting block to slide along a first sliding groove to take out the impurity storage barrel, so that impurities in the impurity storage barrel are cleaned, and the purpose that the filtering device for road and bridge construction drainage can clean the impurities is achieved.

Description

Technical Field

[0001] This utility model relates to the field of drainage device technology, and in particular to a filtration device for drainage in road and bridge construction. Background Technology

[0002] Filtration devices for road and bridge construction drainage are specialized equipment designed specifically for the drainage needs during road and bridge construction. Their main purpose is to ensure the smooth operation of the drainage system during construction or maintenance, while effectively filtering out impurities, silt, and other potential pollutants from the water. Drainage systems are crucial during road and bridge construction, and filtration devices prevent large particles from entering drainage pipes, thus maintaining unobstructed water flow. Through filtration, harmful substances are prevented from entering natural water bodies, protecting the ecological environment, reducing wear and blockage of drainage pipes, and extending the service life of the drainage system.

[0003] To address this, Chinese patent application CN221713771U discloses a drainage filtration device, including an inlet pipe, a filter box fixedly installed at the side end of the inlet pipe, a groove formed at the side end of the filter box, a filter element snapped into the inner wall of the groove, and a collection box fixedly installed at the lower end of the filter box; wherein the collection box and the lower end of the filter box are connected through; a settling inclined plate and a settling groove are provided on the inner wall of the collection box; a drain outlet is fixedly installed at the side end of the collection box, and a drain sealing plate is provided at the side end of the drain outlet; wherein the settling groove is located on one side of the settling inclined plate. This utility model, by adding a collection box to the drainage filtration device, allows the filter element to filter and intercept impurities in the drainage during the drainage process, trapping them in the collection box, and then discharging them through the drain outlet, thereby avoiding clogging and improving the practicality of the drainage filtration device.

[0004] While current filtration devices for drainage in road and bridge construction can generally meet people's needs, some problems still exist, as detailed below:

[0005] 1. The problem of filtration devices used for drainage in road and bridge construction being unable to remove impurities: Drainage systems at construction sites often contain a large amount of dust, mud, sand and gravel. If these impurities are discharged directly into the pipes without filtration, they can easily accumulate in the pipes, causing blockages and affecting the drainage effect.

[0006] 2. The problem of inconvenient replacement of filter media in drainage filtration devices used in road and bridge construction: The filter media will gradually age during use, and its filtration efficiency will decrease over time. If the filter media is not replaced for a long time, the filtration effect will decrease and the quality of the drainage water will be affected. However, the drainage pipes are relatively sealed and difficult to operate conveniently. Utility Model Content

[0007] The purpose of this utility model is to provide a filtration device for drainage in road and bridge construction, in order to solve the shortcomings of existing filtration devices for drainage in road and bridge construction, which are difficult to clean impurities and difficult to replace filter media conveniently.

[0008] To solve the above-mentioned technical problems, this utility model provides the following technical solution: a filtration device for drainage in road and bridge construction, including a first flange;

[0009] A water inlet pipe is welded to one side of the first flange. A control structure is installed inside the water inlet pipe. A filter box is welded to one side of the water inlet pipe. A dirt removal structure is installed inside one side of the filter box. The dirt removal structure includes a dirt storage cylinder, a first handle, a pressing plate, a limiting spring, a first limiting block, a first sliding groove, a first limiting groove, a first spring, and a first pressure plate. The dirt storage cylinder is installed on one side inside the filter box. A first handle is welded to the top of the dirt storage cylinder.

[0010] A pressing plate is movably connected to the top of the inside of the storage cylinder. A limit spring is installed on the outer side of the bottom end of the pressing plate. A first sliding groove is provided at both ends of the storage cylinder. A first limiting groove is provided at the bottom end of one side of the first sliding groove.

[0011] The first spring is fixed to the bottom of the filter box, and a first pressure plate is fixed to the top of the first spring. A metal grid is installed on one side of the impurity removal structure, and a filter structure is installed inside the other side of the filter box. A drain pipe is welded to one side of the filter box, and a second flange is welded to one side of the drain pipe.

[0012] In use, the inlet pipe, filter box, and drain pipe can be installed in the drainage system through the first flange and the first flange. When the wastewater generated during construction flows into the filter box through the through hole of the sphere via the inlet pipe, it first enters the impurity storage cylinder. Larger impurities in the wastewater are intercepted by the metal grid and fall into the impurity storage cylinder. Normally, the impurities in the impurity storage cylinder can be compressed by pressing the press plate to determine how many impurities are inside. The impurity storage cylinder can be removed for regular cleaning. The wastewater that has undergone preliminary filtration flows into the filter cylinder, undergoes secondary filtration by the filter media, and is finally discharged from the drain pipe. The filter cylinder can also be removed for regular replacement of the filter media.

[0013] Furthermore, the control structure includes a valve body, a ball, a sealing ring, a valve stem, and a through hole. The valve body is installed inside the water inlet pipe, and the ball is movably connected inside the valve body. A sealing ring is provided on the outer side of the ball, and a valve stem is welded to the top of the ball. A through hole is provided inside the ball to facilitate cleaning of the waste storage cylinder and replacement of the filter media, thus preventing wastewater from flowing and causing operational difficulties.

[0014] Furthermore, the outer diameter of the ball is smaller than the inner diameter of the valve body, and the valve body and the ball form a sliding structure, which can control the flow of water by rotation.

[0015] Furthermore, the first limiting block is located inside one side of the filter box, and the first limiting block is symmetrically distributed about the central axis of the storage cylinder, which can fix the storage cylinder.

[0016] Furthermore, a locking block is provided on the outer side of the first limiting block, and a locking groove is provided on the inner side of the first limiting groove. The first limiting block and the first limiting groove are engaged to prevent the first limiting block from slipping out of the first limiting groove.

[0017] Furthermore, the first spring is elastic, and the first spring and the first pressure plate are elastically connected, which can push the first pressure plate upward to ensure that the first limiting block is fixed inside the first limiting groove.

[0018] Furthermore, the filtration structure includes a filter cylinder, a second handle, a second limiting block, a second sliding groove, a second limiting groove, filter media, a base plate, and a second spring. The filter cylinder is installed inside one side of the filter box. A second handle is welded to the top of the filter cylinder. The second limiting block is located inside one side of the filter box. The second sliding groove is opened at both ends of the filter cylinder. A second limiting groove is provided at the bottom end of one side of the second sliding groove. Filter media is installed inside the filter cylinder. A base plate is fixedly installed at the bottom end of the filter cylinder by bolts. The second spring is fixed to the bottom end inside the filter box. A second pressure plate is fixed to the top of the second spring, which facilitates secondary filtration of wastewater and easy replacement of the filter media.

[0019] This utility model provides a filtration device for drainage in road and bridge construction. Its advantages are as follows: By installing a storage cylinder on one side of the filter box, when wastewater flows through the metal grid, larger impurities are blocked and fall into the storage cylinder. After the storage cylinder is filled to a certain extent, the pressing plate can be pressed to compress the impurities, facilitating the storage of more impurities. The amount of impurities can be judged by the depth of the pressing plate. After pressing, the pressing plate can return to its original position via a limiting spring. When the storage cylinder is full, it can be pressed downwards, causing the first limiting block to slide out of the first limiting groove. By grasping the first handle and rotating the storage cylinder, the first limiting block can slide along the first sliding groove to remove the storage cylinder, thus cleaning the impurities inside. When installing the storage cylinder, simply reverse the above operation. The first spring at the bottom of the storage cylinder is compressed during installation, and the first spring pushes the first pressing plate upwards, fixing the first limiting block inside the first limiting groove, preventing it from falling or shifting. This achieves the purpose of cleaning impurities using the filtration device for drainage in road and bridge construction.

[0020] By installing a filter cylinder inside the filter box, the wastewater that has undergone preliminary filtration flows into the filter cylinder and is then filtered by the filter media for secondary cleaning. When the filter media needs to be replaced after a long period of use, simply press the filter cylinder to allow the second limiting block to slide out of the second limiting groove and into the second sliding groove. Then, grasp the second handle and turn it to remove the filter cylinder. After removing the bolts at the bottom of the filter cylinder, the filter cylinder and the base plate can be removed for easy replacement of the filter media. During installation, the second spring is compressed, and the second spring pushes the second pressure plate up to ensure that the second limiting block is fixed in the second limiting groove. The entire operation process is simple and quick, thus achieving the goal of conveniently replacing the filter media in the drainage filtration device for road and bridge construction. Attached Figure Description

[0021] Figure 1 This is a three-dimensional structural schematic diagram of the present invention;

[0022] Figure 2 This is a front view structural diagram of the present utility model;

[0023] Figure 3 This is a front view cross-sectional structural diagram of the present invention;

[0024] Figure 4 For the present utility model Figure 3 Enlarged cross-sectional view of point A in the middle section;

[0025] Figure 5 This is a side view sectional structural diagram of the present invention.

[0026] The following are the annotations in the diagram: 1. First flange; 2. Inlet pipe; 3. Control structure; 301. Valve body; 302. Ball; 303. Sealing ring; 304. Valve stem; 305. Through hole; 4. Filter box; 5. Impurity removal structure; 501. Impurity storage cylinder; 502. First handle; 503. Press plate; 504. Limiting spring; 505. First limiting block; 506. First slide groove; 507. First limiting groove; 508. First spring; 509. First pressure plate; 6. Metal grille; 7. Filter structure; 701. Filter cylinder; 702. Second handle; 703. Second limiting block; 704. Second slide groove; 705. Second limiting groove; 706. Filter media; 707. Base plate; 708. Second spring; 709. Second pressure plate; 8. Drain pipe; 9. Second flange. Detailed Implementation

[0027] 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.

[0028] Please see Figures 1-5 One embodiment of this utility model is a filtration device for drainage in road and bridge construction, comprising a first flange 1.

[0029] A water inlet pipe 2 is welded to one side of the first flange 1. A control structure 3 is installed inside the water inlet pipe 2. The control structure 3 includes a valve body 301, a ball 302, a sealing ring 303, a valve stem 304, and a through hole 305. The valve body 301 is installed inside the water inlet pipe 2. The ball 302 is movably connected inside the valve body 301. The outer diameter of the ball 302 is smaller than the inner diameter of the valve body 301. The valve body 301 and the ball 302 form a sliding structure. A sealing ring 303 is provided on the outer side of the ball 302. A valve stem 304 is welded to the top of the ball 302. A through hole 305 is opened inside the ball 302.

[0030] See attached document Figure 1-3 As shown, a valve body 301 is installed inside the water inlet pipe 2. The ball 302 inside the valve body 301 can be adjusted in direction by rotating the valve stem 304. When cleaning the waste storage cylinder 501 and replacing the filter media 706, in order to avoid the flow of wastewater causing difficulties in operation, it is only necessary to rotate the ball 302 to make the through hole 305 misalign with the opening of the water inlet pipe 2 to block the water flow. After cleaning and replacement, it is only necessary to rotate the valve stem 304 again to restore the flow of wastewater. The sealing ring 303 wrapped around the outside of the ball 302 can further ensure the sealing between the ball 302 and the valve body 301.

[0031] A filter box 4 is welded to one side of the water inlet pipe 2. A debris removal structure 5 is installed inside one side of the filter box 4. The debris removal structure 5 includes a debris storage cylinder 501, a first handle 502, a pressing plate 503, a limiting spring 504, a first limiting block 505, a first sliding groove 506, a first limiting slot 507, a first spring 508, and a first pressure plate 509. The debris storage cylinder 501 is installed inside the filter box 4 on one side. A first handle 502 is welded to the top of the debris storage cylinder 501. A pressing plate 503 is movably connected to the top of the inside of the debris storage cylinder 501. A limiting spring 504 is installed on the outer side of the bottom end of the pressing plate 503. The first limiting block 505 is located on the filter box. Inside one side of the box 4, the first limiting block 505 is symmetrically distributed about the central axis of the storage cylinder 501. The two ends of the storage cylinder 501 are provided with the first sliding groove 506. The bottom end of one side of the first sliding groove 506 is provided with the first limiting groove 507. The outer side of the first limiting block 505 is provided with the locking block, and the inner side of the first limiting groove 507 is provided with the locking groove. The first limiting block 505 and the first limiting groove 507 are engaged. The first spring 508 is fixed to the bottom of the filter box 4. The top of the first spring 508 is fixed with the first pressure plate 509. The first spring 508 is elastic, and the first spring 508 and the first pressure plate 509 are elastically connected.

[0032] See attached document Figure 1-5 As shown, a storage cylinder 501 is installed on one side of the filter box 4. When wastewater flows through the metal grid 6, larger impurities are blocked and fall into the storage cylinder 501. After the storage cylinder 501 is filled to a certain extent, the pressing plate 503 can be pressed to compress the impurities, making it easier to store more impurities. The amount of impurities can be judged by the depth of pressing the pressing plate 503. After pressing, the pressing plate 503 can return to its original position by the limit spring 504. When the storage cylinder 501 is full, it can be pressed down to move the first limit block 504. 05 slides out from the first limiting groove 507 and grasps the first handle 502 to rotate the storage cylinder 501 so that the first limiting block 505 slides along the first sliding groove 506 to take out the storage cylinder 501, thereby cleaning the impurities inside the storage cylinder 501. When installing the storage cylinder 501, simply reverse the above operation. The first spring 508 at the bottom of the storage cylinder 501 will be compressed during installation. The first spring 508 pushes the first pressure plate 509 upward so that the first limiting block 505 can be fixed inside the first limiting groove 507 and will not fall or shift.

[0033] A metal grille 6 is installed on one side of the impurity removal structure 5, and a filter structure 7 is installed inside the other side of the filter box 4. The filter structure 7 includes a filter cylinder 701, a second handle 702, a second limiting block 703, a second sliding groove 704, a second limiting groove 705, filter media 706, a base plate 707, and a second spring 708. The filter cylinder 701 is installed inside one side of the filter box 4. The second handle 702 is welded to the top of the filter cylinder 701. The second limiting block 703 is located inside one side of the filter box 4. The second sliding groove 704 is opened at both ends of the filter cylinder 701. The bottom end of one side of the second sliding groove 704 is provided with a second limiting groove 705. The filter media 706 is installed inside the filter cylinder 701. The bottom end of the filter cylinder 701 is fixedly installed with a base plate 707 by bolts. The second spring 708 is fixed to the bottom end inside the filter box 4. The top end of the second spring 708 is fixed with a second pressure plate 709.

[0034] See attached document Figure 1-3 As shown, a filter cylinder 701 is installed inside the filter box 4. When the wastewater that has undergone preliminary filtration flows into the filter cylinder 701, it will be filtered by the filter media 706 for secondary cleaning. When the filter media 706 needs to be replaced after a long period of use, simply press the filter cylinder 701 to allow the second limiting block 703 to slide out of the second limiting groove 705 and fall into the second sliding groove 704. Then, grasp the second handle 702 and turn it to remove the filter cylinder 701. After removing the bolt at the bottom of the filter cylinder 701, the filter cylinder 701 and the base plate 707 can be removed, making it easy to replace the filter media 706. During installation, the second spring 708 will be squeezed. The second spring 708 will push the second pressure plate 709 up to ensure that the second limiting block 703 is fixed in the second limiting groove 705. The whole operation process is simple and quick.

[0035] A drain pipe 8 is welded to one side of the filter box 4, and a second flange 9 is welded to one side of the drain pipe 8.

[0036] Although the present invention has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions described in the foregoing embodiments or make equivalent substitutions for some of the technical features. Any modifications, equivalent substitutions, improvements, etc., made within the spirit and principles of the present invention should be included within the protection scope of the present invention.

Claims

1. A filtration device for drainage during road and bridge construction, comprising a first flange (1); Its features are: A water inlet pipe (2) is welded to one side of the first flange (1). A control structure (3) is installed inside the water inlet pipe (2). A filter box (4) is welded to one side of the water inlet pipe (2). A dirt removal structure (5) is installed inside one side of the filter box (4). The dirt removal structure (5) includes a dirt removal structure storage cylinder (501), a first handle (502), a pressing plate (503), a limiting spring (504), a first limiting block (505), a first sliding groove (506), a first limiting groove (507), a first spring (508), and a first pressure plate (509). The dirt removal structure storage cylinder (501) is installed on one side inside the filter box (4). A first handle (502) is welded to the top of the dirt removal structure storage cylinder (501). The top of the impurity storage cylinder (501) is movably connected to a pressing plate (503). A limit spring (504) is installed on the outer side of the bottom end of the pressing plate (503). Both ends of the impurity storage cylinder (501) are provided with a first sliding groove (506). A first limiting groove (507) is provided at the bottom end of one side of the first sliding groove (506). The first spring (508) is fixed at the bottom inside the filter box (4), and the top of the first spring (508) is fixed with a first pressure plate (509). A metal grid (6) is installed on one side of the impurity removal structure (5), and a filter structure (7) is installed inside the other side of the filter box (4). A drain pipe (8) is welded to one side of the filter box (4), and a second flange (9) is welded to one side of the drain pipe (8).

2. The filtration device for drainage during road and bridge construction according to claim 1, characterized in that: The control structure (3) includes a valve body (301), a ball (302), a sealing ring (303), a valve stem (304), and a through hole (305). The valve body (301) is installed inside the water inlet pipe (2). The ball (302) is movably connected inside the valve body (301). A sealing ring (303) is provided on the outside of the ball (302). The valve stem (304) is welded to the top of the ball (302). A through hole (305) is provided inside the ball (302).

3. A filtration device for drainage during road and bridge construction according to claim 2, characterized in that: The outer diameter of the ball (302) is smaller than the inner diameter of the valve body (301), and the valve body (301) and the ball (302) form a sliding structure.

4. The filtration device for drainage during road and bridge construction according to claim 1, characterized in that: The first limiting block (505) is located inside one side of the filter box (4), and the first limiting block (505) is symmetrically distributed about the central axis of the impurity storage cylinder (501) of the impurity removal structure.

5. The filtration device for drainage during road and bridge construction according to claim 4, characterized in that: The first limiting block (505) has a locking block on its outer side and the first limiting groove (507) has a locking groove on its inner side. The first limiting block (505) and the first limiting groove (507) are engaged.

6. A filtration device for drainage during road and bridge construction according to claim 1, characterized in that: The first spring (508) is elastic, and the first spring (508) is elastically connected to the first pressure plate (509).

7. The filtration device for drainage during road and bridge construction according to claim 1, characterized in that: The filter structure (7) includes a filter cylinder (701), a second handle (702), a second limiting block (703), a second sliding groove (704), a second limiting groove (705), filter media (706), a base plate (707), and a second spring (708). The filter cylinder (701) is installed inside one side of the filter box (4). The second handle (702) is welded to the top of the filter cylinder (701). The second limiting block (703) is located inside one side of the filter box (4). The second slide groove (704) is opened at both ends of the filter cylinder (701). A second limiting groove (705) is provided at the bottom end of one side of the second slide groove (704). Filter media (706) is installed inside the filter cylinder (701). A base plate (707) is fixedly installed at the bottom end of the filter cylinder (701) by bolts. The second spring (708) is fixed at the bottom end inside the filter box (4). A second pressure plate (709) is fixed at the top end of the second spring (708).

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