Drainage equipment for municipal bridge

By installing collection, drainage, shielding, and protection components in the drainage equipment of municipal bridges, the problems of large-volume impurity accumulation and rainwater recycling have been solved, achieving efficient drainage and rainwater resource utilization.

CN224106280UActive Publication Date: 2026-04-10JILIN BOCHUANG WATER DESIGN CO LTD
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Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
Filing Date
2024-11-28
Publication Date
2026-04-10

AI Technical Summary

Technical Problem

When the water level is high, large debris on the road surface can easily accumulate in the drainage system of municipal bridges, affecting drainage efficiency. Furthermore, the drainage volume cannot be controlled according to the water level, and rainwater cannot be effectively recycled.

Method used

A drainage device was designed, comprising a bridge subgrade, a drainage cavity, a collection component, a drainage component, a shielding component, a protective component, and a fixing component. The collection component collects large-volume debris, the drainage component distributes rainwater paths, the shielding component regulates the drainage volume, the protective component filters impurities, and the fixing component is installed on the bridge subgrade to ensure the stable operation of each component.

Benefits of technology

It effectively prevents large-volume impurities from clogging the bridge, improves drainage efficiency, adjusts drainage volume under different water conditions, ensures bridge safety, and enables rainwater recycling.

✦ Generated by Eureka AI based on patent content.

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Abstract

The utility model relates to the technical field of municipal drainage, in particular to drainage equipment for a municipal bridge. The technical problems that under the condition that the water potential is large, large-size impurities on the road surface are prone to being accumulated above a water outlet, the drainage efficiency is affected, the drainage amount cannot be controlled, and rainwater cannot be recycled are solved. According to the technical scheme, the drainage equipment for the municipal bridge comprises a drainage cavity, a collection assembly, a drainage assembly, a shielding assembly, a protection assembly and a fixing assembly; compared with an existing municipal bridge drainage device, under the condition that the water potential is large, large-size impurities on the road surface are prone to being accumulated above a water outlet, the drainage efficiency is affected, the drainage amount cannot be controlled, and rainwater cannot be recycled; according to the device, large-size impurities are collected by arranging the collecting device, the situation that the large-size impurities affect the drainage rate at a drainage opening is prevented, different drainage devices are arranged, rainwater is recycled when the water potential is small, and the drainage speed is increased when the water potential is large.
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Description

TECHNICAL FIELD

[0001] The utility model relates to municipal drainage technical field especially, a kind of drainage equipment for municipal bridge. BACKGROUND

[0002] Municipal bridge is an important link in city infrastructure construction, it is responsible for the traffic demand of a large number of vehicles in city, in order to guarantee driving safety, unobstructed, prevent bridge structure from being eroded by precipitation and affect the durability of bridge, it is related to the normal operation of bridge and the flood control and drainage capacity of city;At present, under the condition of large water potential of municipal bridge drainage device, bulky impurities on road surface are easy to accumulate above drainage device, affect drainage efficiency, and drainage capacity cannot be controlled according to water potential, rainwater is recycled. SUMMARY

[0003] In order to overcome the problem that under the condition of large water potential of municipal bridge drainage device, bulky impurities on road surface are easy to accumulate above drainage device, affect drainage efficiency, and drainage capacity cannot be controlled according to water potential, rainwater is recycled.

[0004] The technical scheme of the utility model is as follows: a kind of drainage equipment for municipal bridge, including bridge subgrade, downcomer cavity, collection component, drainage component, shielding component, protection component and fixed component, downcomer cavity is set in the inside of bridge subgrade, collection component is set at one side of bridge subgrade, drainage component is set below downcomer cavity, shielding component is set above drainage component, shielding component is located in the inside of downcomer cavity, protection component is set in the inside of downcomer cavity, protection component is located above shielding component, fixed component is set outside drainage component.

[0005] Preferably, bulky impurities on road surface are collected by setting collection component, to prevent bulky impurities from blocking protection component, rainwater on bridge subgrade is discharged from bridge by setting drainage component, drainage component is shielded by setting shielding component, and backup drainage channel is opened when drainage capacity is large, road impurities are filtered by setting protection component, to prevent garbage from entering drainage component and being blocked, drainage component is installed on bridge subgrade by setting fixed component.

[0006] As preferred, collection component includes collection box and notch, collection box is fixedly installed at one side of bridge subgrade, a plurality of notches are set in the side of bridge subgrade, and notch is located in the inside of collection box;Bulky impurities are collected by setting collection box, to prevent bulky impurities from blocking protection component, rainwater entering collection box is discharged from bridge by setting notch.

[0007] As preferred, the drainage assembly comprises a main drainage pipe and a backup drainage pipe, the main drainage pipe is arranged below the bridge roadbed, the main drainage pipe is connected with the sewer cavity, and the main drainage pipe can be connected with municipal greening below the bridge; the backup drainage pipe penetrates the bridge roadbed, the backup drainage pipe is connected with the sewer cavity, and the backup drainage pipe is connected with the municipal drainage system below the bridge; when the drainage capacity is small, rainwater is drained into the municipal greening below the bridge through the main drainage pipe to irrigate plants in the municipal greening; when the drainage capacity is large, the backup drainage pipe is arranged to increase the drainage channel and speed up the drainage speed, thereby preventing the bridge road surface from being flooded.

[0008] As preferred, the shielding assembly comprises a hinge, a light cover plate and a buoyancy box, the light cover plate is arranged above the backup drainage pipe, the light cover plate is rotationally connected with the backup drainage pipe through the hinge, and the buoyancy box is fixedly installed above the light cover plate; the light cover plate is connected with the backup drainage pipe through the hinge, the backup drainage pipe is shielded through the light cover plate when the drainage capacity is small, rainwater is drained into the municipal greening through the main drainage pipe, and when the drainage capacity is large, the main drainage pipe is insufficient in drainage capacity, water accumulates in the sewer cavity, the light cover plate is opened through the buoyancy box, and the accumulated water is drained to speed up the drainage speed.

[0009] As preferred, the shielding assembly comprises a road surface cover plate and a guide plate, the road surface cover plate is arranged above the sewer cavity, the road surface cover plate is arranged at an inclination of 5°, and the guide plate is fixedly installed in the sewer cavity; the road surface cover plate is arranged to provide first-layer protection for the drainage assembly, prevent large-volume impurities on the road surface from entering the sewer cavity to block the main pipe, and guide the large-volume impurities to enter the collecting box along part of the water flow; the guide plate is arranged to guide the flow direction of rainwater entering the sewer cavity.

[0010] As preferred, the shielding assembly further comprises a connecting rod and a porous filter box, one end of the connecting rod is fixedly installed below the road surface cover plate, and the other end of the connecting rod is fixedly connected with the porous filter box; the connecting rod is arranged to connect the road surface cover plate and the porous filter box, so that the porous filter box can be taken out of the sewer cavity during manual cleaning and maintenance; the porous filter box is arranged to provide second-layer protection for the drainage assembly, and prevent small-volume impurities from blocking the drainage assembly through the road surface cover plate.

[0011] As preferred, the fixing assembly comprises a fixing frame and a bolt, the fixing frame is provided in three groups, one group of the fixing frame is arranged outside the main pipe, the other two groups of the fixing frame are arranged outside the backup pipe, and the fixing frame is fixedly connected with the bridge roadbed through the bolt; the main drainage pipe and the backup drainage pipe are fixed on one side of the bridge roadbed through the cooperation of the fixing frame and the bolt.

[0012] The utility model discloses beneficial effects:

[0013] 1. Compared with the current municipal bridge drainage device, in the case of large water potential, large volume impurities on the road surface are easy to accumulate above the drain outlet, affecting the drainage efficiency, and the drainage amount cannot be controlled, and rainwater is recycled; the device collects large volume impurities through the setting of the collecting device, prevents it from being in the drain outlet, and affects the drainage rate, and sets different drainage devices to recycle rainwater when the water potential is small, and to speed up the drainage rate when the water potential is large;

[0014] 2. The drain cavity is shielded by the road cover plate to prevent large volume impurities from entering the drain cavity and blocking the drainage assembly, the road cover plate is inclined, large volume impurities enter the collection box along the water flow along the road cover plate and are collected, preventing accumulation above the road cover plate from being blocked, and rainwater entering the collection box flows back to the drain cavity through the gap;

[0015] 3. The standby drainage pipeline is shielded by the light cover plate, and the water is discharged into the municipal greenery under the bridge through the main drainage pipeline, and the rainwater is recycled, when the drainage amount is large, the rainwater submerges the light cover plate, the light cover plate is opened through the buoyancy of the buoyancy box, so that the rainwater is discharged through the standby drainage pipeline, the drainage speed is accelerated, and the bridge is prevented from being flooded, and after the water is discharged, the standby drainage pipeline is shielded again under the action of its own gravity. BRIEF DESCRIPTION OF DRAWINGS

[0016] Figure 1 A cross-sectional three-dimensional structure schematic view of the drainage equipment for municipal bridges of the utility model is shown;

[0017] Figure 2 A three-dimensional structure schematic view of the drainage equipment for municipal bridges of the utility model is shown;

[0018] Figure 3 Another cross-sectional three-dimensional structure schematic view of the drainage equipment for municipal bridges of the utility model is shown;

[0019] Figure 4 The drainage equipment for municipal bridges of the utility model is shown Figure 3 A three-dimensional structure schematic view of the enlarged assembly at the circle is shown;

[0020] Figure 5 Another three-dimensional structure schematic view of the drainage equipment for municipal bridges of the utility model is shown;

[0021] Explanation of reference signs: 1, bridge subgrade; 2, downspout cavity; 3, collection assembly; 4, drainage assembly; 5, shielding assembly; 6, protection assembly; 7, fixing assembly; 301, collection box; 302, notch; 401, main drainage pipeline; 402, standby drainage pipeline; 501, hinge; 502, light cover plate; 503, buoyancy box; 601, road surface cover plate; 602, deflector; 603, connecting rod; 604, porous filter box; 701, fixing frame; 702, bolt. DETAILED DESCRIPTION

[0022] The utility model is further explained in connection with the drawings and examples.

[0023] Please refer to Figure 1 The utility model provides a kind of drainage equipment for municipal bridge, including bridge subgrade 1, downspout cavity 2, collection assembly 3, drainage assembly 4, shielding assembly 5, protection assembly 6 and fixing assembly 7, bridge subgrade 1 is internally provided with downspout cavity 2, collection assembly 3 is set at the side of bridge subgrade 1, drainage assembly 4 is set below downspout cavity 2, shielding assembly 5 is set above drainage assembly 4, shielding assembly 5 is located inside downspout cavity 2, protection assembly 6 is set inside downspout cavity 2, protection assembly 6 is located above shielding assembly 5, fixing assembly 7 is set outside drainage assembly 4.

[0024] Please refer to Figures 2-4In the embodiment, the collecting assembly 3 comprises a collecting box 301 and a notch 302. The collecting box 301 is fixedly installed on one side of the bridge foundation 1. The side of the bridge foundation 1 is provided with a plurality of notches 302. The notches 302 are located inside the collecting box 301. The collecting box 301 is arranged to collect large-volume sundries, so as to prevent the large-volume sundries from blocking the protection assembly 6. The notches 302 are arranged to enable the rainwater entering the collecting box to enter the drainage cavity 2 and drain out of the bridge. The drainage assembly 4 comprises a main drainage pipeline 401 and a standby drainage pipeline 402. The main drainage pipeline 401 is arranged below the bridge foundation 1. The main drainage pipeline 401 is in through connection with the drainage cavity 2. The main drainage pipeline 401 can be connected with municipal greening below the bridge. The standby drainage pipeline 402 penetrates through the bridge foundation 1. The standby drainage pipeline 402 is in through connection with the drainage cavity 2. The standby drainage pipeline 402 is connected with a municipal drainage system below the bridge. The main drainage pipeline 401 is arranged to drain the rainwater into the municipal greening below the bridge to irrigate plants in the municipal greening when the drainage amount is small. The standby drainage pipeline 402 is arranged to increase the drainage passage and accelerate the drainage speed when the drainage amount is large, so as to prevent the bridge pavement from being flooded. The shielding assembly 5 comprises a hinge 501, a lightweight cover plate 502 and a buoyancy box 503. The lightweight cover plate 502 is arranged above the standby drainage pipeline 402. The lightweight cover plate 502 is in rotary connection with the standby drainage pipeline 402 through the hinge 501. The buoyancy box 503 is fixedly installed above the lightweight cover plate 502. The hinge 501 is arranged to connect the lightweight cover plate 502 with the standby drainage pipeline 402. The lightweight cover plate 502 is arranged to shield the standby drainage pipeline 402 when the drainage amount is small, so that the rainwater is drained along the main drainage pipeline 401 into the municipal greening to irrigate plants. The buoyancy box 503 is arranged to open the lightweight cover plate 502 when the drainage amount is large, so that the accumulated water in the drainage cavity 2 is drained through the buoyancy box 503, and the drainage speed is accelerated. The protection assembly 6 comprises a pavement cover plate 601 and a flow guide plate 602. The pavement cover plate 601 is arranged above the drainage cavity 2. The pavement cover plate 601 is arranged to be inclined by 5°. The flow guide plate 602 is fixedly installed inside the drainage cavity 2. The pavement cover plate 601 is arranged to provide first-layer protection for the drainage assembly 4, so as to prevent large-volume sundries on the pavement from entering the drainage cavity 2 to block the main pipeline and guide the large-volume sundries to enter the collecting box along part of the water flow. The flow guide plate 602 is arranged to guide the rainwater entering the drainage cavity 2. The protection assembly 6 further comprises a connecting rod 603 and a porous filter box 604. One end of the connecting rod 603 is fixedly installed below the pavement cover plate 601. The other end of the connecting rod 603 is fixedly connected with the porous filter box 604.The road cover plate 601 and the porous filter box 604 are connected by the connecting rod 603, so that the porous filter box 604 is convenient to take out of the drainage cavity 2 during manual cleaning and maintenance, and the porous filter box 604 is arranged to provide the second layer of protection for the drainage assembly 4, so as to prevent small-size impurities from blocking the drainage assembly 4 through the road cover plate 601.

[0025] Please refer to Figure 5 In the embodiment, the fixing assembly 7 comprises fixing frames 701 and bolts 702. Three fixing frames 701 are arranged, one fixing frame 701 is arranged outside the main drainage pipeline 401, and the other two fixing frames 701 are arranged outside the standby drainage pipeline 402. The fixing frames 701 are fixedly connected with the bridge subgrade 1 through the bolts 702. The main drainage pipeline 401 and the standby drainage pipeline 402 are fixed on one side of the bridge subgrade 1 through the cooperation of the fixing frames 701 and the bolts 702.

[0026] During work, the road cover plate 601 is used to shield the drainage cavity 2, so as to prevent large-size impurities from entering the drainage cavity 2 and blocking the drainage assembly 4. The road cover plate 601 is arranged in an inclined manner. Large-size impurities enter the collecting box 301 along the road cover plate 601 and are collected. The rainwater entering the collecting box 301 flows back to the drainage cavity 2 through the gap 302.

[0027] The guide plate 602 is used to guide the rainwater entering the drainage cavity 2 to pass through the porous filter box 604, so as to filter the rainwater passing through the road cover plate and prevent small-size impurities in the water from entering the drainage assembly 4 and being blocked.

[0028] When the drainage capacity is small, the lightweight cover plate 502 is used to shield the standby drainage pipeline 402, and the main drainage pipeline 401 is used to drain the water into the municipal greenbelt under the bridge, so as to recycle the rainwater. When the drainage capacity is large, the rainwater submerges the lightweight cover plate 502. The buoyancy of the buoyancy box 503 is used to pull the lightweight cover plate 502 to open, so that the rainwater is drained through the standby drainage pipeline 402, the drainage speed is accelerated, and the water on the bridge is prevented.

[0029] Through the above steps, the collecting assembly 3 is arranged to collect large-size impurities on the road, so as to prevent the large-size impurities from blocking the protection assembly 6. The drainage assembly 4 is arranged to drain the rainwater on the bridge subgrade 1 out of the bridge. The shielding assembly 5 is arranged to shield the drainage assembly 4, and the standby drainage passage is opened when the drainage capacity is large. The protection assembly 6 is arranged to filter the impurities on the road, so as to prevent the impurities from entering the drainage assembly 4 and being blocked. The fixing assembly 7 is arranged to install the drainage assembly 4 on the bridge subgrade 1.

[0030] The embodiment of the utility model is explained in detail above in combination with the drawings, but the utility model is not limited to the above-mentioned embodiment, and various changes can be made within the knowledge range possessed by the person skilled in the art without departing from the purpose of the utility model.

Claims

1. A drainage apparatus for a municipal bridge comprising a bridge subgrade (1); characterized in that: It also includes the sewer cavity (2), collection assembly (3), drainage assembly (4), shielding assembly (5), protection assembly (6) and fixing assembly (7), the inside of the bridge subgrade (1) is provided with the sewer cavity (2), the collection assembly (3) is arranged on one side of the bridge subgrade (1), the drainage assembly (4) is arranged below the sewer cavity (2), the shielding assembly (5) is arranged above the drainage assembly (4), the shielding assembly (5) is located in the inside of the sewer cavity (2), the protection assembly (6) is arranged in the inside of the sewer cavity (2), the protection assembly (6) is located above the shielding assembly (5), the fixing assembly (7) is arranged outside the drainage assembly (4).

2. The drainage apparatus for a municipal bridge according to claim 1, characterized by: The collection assembly (3) includes a collection box (301) and a notch (302), the collection box (301) is fixedly installed on one side of the bridge subgrade (1), and a plurality of notches (302) are formed in the side of the bridge subgrade (1) and located in the inside of the collection box (301).

3. The drainage apparatus for a municipal bridge according to claim 2, wherein: The drainage assembly (4) includes a main drainage pipeline (401) and a standby drainage pipeline (402), the main drainage pipeline (401) is arranged below the bridge subgrade (1), the main drainage pipeline (401) is connected with the sewer cavity (2), and the main drainage pipeline (401) can be connected with municipal greening below the bridge; the standby drainage pipeline (402) penetrates the bridge subgrade (1), the standby drainage pipeline (402) is connected with the sewer cavity (2), and the standby drainage pipeline (402) is connected with a municipal drainage system below the bridge.

4. The drainage apparatus for a municipal bridge according to claim 3, wherein: The shielding assembly (5) includes a hinge (501), a light cover plate (502) and a buoyancy box (503), the light cover plate (502) is arranged above the standby drainage pipeline (402), the light cover plate (502) is rotatably connected with the standby drainage pipeline (402) through the hinge (501), and the buoyancy box (503) is fixedly installed above the light cover plate (502).

5. A drainage apparatus for a municipal bridge according to claim 4, wherein: The protection assembly (6) includes a road surface cover plate (601) and a flow guide plate (602), the road surface cover plate (601) is arranged above the sewer cavity (2), the road surface cover plate (601) is arranged to be inclined by 5°, and the flow guide plate (602) is fixedly installed in the inside of the sewer cavity (2).

6. A drainage apparatus for a municipal bridge according to claim 5, characterized in that: The protection assembly (6) further includes a connecting rod (603) and a porous filter box (604), one end of the connecting rod (603) is fixedly installed below the road surface cover plate (601), and the other end of the connecting rod (603) is fixedly connected with the porous filter box (604).

7. A drainage apparatus for a municipal bridge according to claim 6, characterized in that: The fixing assembly (7) includes a fixing frame (701) and a bolt (702), the fixing frame (701) is provided in three groups, one group of the fixing frame (701) is arranged outside the main drainage pipeline (401), and the other two groups are arranged outside the standby drainage pipeline (402), and the fixing frame (701) is fixedly connected with the bridge subgrade (1) through the bolt (702).