Drainage structure externally arranged on bridge
By designing the external drainage structure of the bridge and using channel to protect and isolate the PVC drainage pipe, the problems of easy damage and inconvenient maintenance of the drainage pipe are solved, achieving higher durability and reducing maintenance costs.
Patent Information
- Application Number
- CN202421292539.4
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2024-06-06
- Publication Date
- 2025-02-28
- Estimated Expiration
- 2034-06-06
AI Technical Summary
In the prior art, the horizontal drainage pipe of bridges is directly arranged with PVC pipes, which is prone to damage and aging, and the sealing protection will lead to inconvenience in maintenance and replacement, increasing maintenance costs.
Design a drainage structure outside the bridge, including a channel and a drainage pipe. The channel is firmly connected to the bridge through a connecting component. A PVC drainage pipe is placed in the channel, and the groove cover can be opened for easy maintenance and replacement.
The drain pipe is physically protected through the channel to prevent damage and aging, reduce ultraviolet radiation, extend service life, and at the same time facilitate maintenance and reduce maintenance costs.
Smart Images
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Abstract
Description
Technical Field
[0001] The utility model relates to the technical field of auxiliary structures of bridge engineering, in particular to an external drainage structure of a bridge. Background Art
[0002] When a highway bridge needs to cross a railway below or a river or lake that involves drinking water source protection, the road surface drainage of the highway bridge deck generally cannot be discharged directly under the bridge. If there is a railway under the highway bridge, the directly discharged drainage may cause damage to the railway infrastructure, such as corrosion of rails and signal equipment, affecting the safety of railway operations. Drainage on the road may contain various pollutants, such as oil, heavy metals, garbage, salt, etc. If these substances are directly discharged into rivers or lakes, they may cause serious water pollution and affect the drinking water safety and ecological environment downstream.
[0003] In order to avoid directly discharging the drainage of the highway bridge deck under the bridge, the bridge pavement drainage facilities are generally used to collect the rainwater and sewage on the road surface into the horizontal drainage pipe. The horizontal drainage pipe is set along the direction of the bridge road and discharged at the end with a lower slope, avoiding the railway and drinking water source protection area below. Therefore, when there is a railway under the highway bridge or a drinking water source protection area is involved, a longer horizontal section of the drainage pipe will be set. The drainage pipe has a large drainage capacity. Generally, composite steel pipes, stainless steel pipes, and thickened PVC pipes are used as drainage pipes fixed under the bridge wing.
[0004] When thickened PVC pipes are used as drainage pipes in the prior art, they are lighter in weight and slightly more convenient to install and construct than composite steel pipes and stainless steel pipes. However, since PVC pipes are exposed to the outside for a long time and are affected by the environment, they are easily damaged and aged, and thus have durability problems. If the PVC pipes are wrapped and sealed, it is not conducive to the inspection and replacement of the PVC pipes, resulting in inconvenience in later maintenance and increased maintenance costs. Utility Model Content
[0005] The purpose of the utility model is to overcome the shortcomings of the prior art that the horizontal drainage pipes of the bridge are directly arranged with exposed PVC pipes, which makes the PVC pipes easy to be damaged and aged, and if the PVC pipes are sealed and protected, it makes the PVC pipes difficult to repair and replace, and to provide an external drainage structure for the bridge.
[0006] The utility model provides an external drainage structure of a bridge, comprising: a channel, wherein the channel is connected to the bridge through a connecting component, the channel further comprising a channel body and a channel cover, and the channel cover can be opened; a drainage pipe, wherein the drainage pipe is a PVC pipe, and the drainage pipe is placed in the channel.
[0007] The external drainage structure of the bridge, the connection assembly firmly connects the channel to the main structure of the bridge, the channel includes a channel body and a channel cover, the drain pipe can be put into the channel body from the opening position of the channel body, and when the channel cover is in a closed state, it can cover the opening of the channel body, so that the inside of the channel forms a relatively closed space. Therefore, the channel can provide better physical protection for the drain pipe, prevent the drain pipe from being damaged by external forces, and solve the problem of easy damage to the drain pipe; at the same time, the channel can also isolate direct sunlight, and prevent the PVC pipe exposed to the sun for a long time from being strongly irradiated by ultraviolet rays, destroying the molecular structure of the water pipe material, and causing cracks and aging on the surface of the PVC pipe. During maintenance, the channel cover can be opened to facilitate the inspection of the drain pipe inside the channel. If necessary, the drain pipe can be taken out and replaced, saving maintenance costs.
[0008] Preferably, the channel is connected to a lower position of the bridge via a connecting assembly.
[0009] Preferably, the cross section of the channel body is U-shaped, and the inner bottom of the channel body is straight or arc-shaped.
[0010] Preferably, the connection assembly comprises: a plurality of connection frames, which are arranged at intervals along the longitudinal direction of the bridge; the connection frames are connected to the bridge via a first end plate and a first fastener, and the connection frames are connected to the channel via a second end plate and a second fastener.
[0011] Preferably, a cable tie is sleeved on the outer side of the channel, and the cable tie is used to fix the channel body and the channel cover.
[0012] Preferably, the first fastener is a high-strength bolt or an expansion bolt, and the second fastener is a bolt or a self-tapping screw.
[0013] Preferably, the connecting frame is L-shaped, the vertical section of the connecting frame is connected to the side of the bridge, the horizontal section of the connecting frame is used to support the channel, and a diagonal brace is connected between the vertical section and the horizontal section.
[0014] Preferably, the connecting frame is an angle steel, the cross-sectional thickness of the connecting frame is 3-6 mm, the longitudinal width of the connecting frame is 20-60 mm, and the first end plate and the second end plate are galvanized steel plates with a thickness of 4-8 mm.
[0015] Preferably, the cross-sectional size of the channel is 70mm*70mm-200mm*200mm, the channel body is a stainless steel plate bent structural member with a thickness of 2-4mm, and the channel cover is a stainless steel plate bent structural member with a thickness of 2-4mm.
[0016] Preferably, any of the above-mentioned drainage pipes is a PVC pipe with a diameter of 80-200 mm.
[0017] Compared with the prior art, the utility model has the following beneficial effects:
[0018] 1. The utility model provides a groove, which is used to place a drain pipe. The drain pipe is physically protected by the groove, which can effectively protect the drain pipe and prevent it from being damaged by external forces.
[0019] 2. The groove provided by the utility model is used to isolate the direct sunlight from the drain pipe, effectively reducing the radiation of ultraviolet rays to the drain pipe, thereby extending the service life of the drain pipe and preventing it from premature aging.
[0020] 3. The trough provided by the utility model comprises a trough body and a trough cover, and the trough cover can be easily opened and closed, which is convenient for inspection and replacement of the drainage pipe, thereby effectively reducing maintenance costs. BRIEF DESCRIPTION OF THE DRAWINGS
[0021] Figure 1 The utility model is a schematic diagram of a drainage structure external to a bridge.
[0022] Figure 2 The utility model is a schematic diagram of a channel and a drainage pipe in an external drainage structure of a bridge.
[0023] Figure 3 The utility model is a front view of a connecting component in a drainage structure external to a bridge.
[0024] Figure 4 The utility model is a side view of a connecting component in a drainage structure external to a bridge.
[0025] Markings in the figure:
[0026] 1- Connect the components,
[0027] 101-connecting frame, 102-first end plate, 103-second end plate,
[0028] 2- Groove,
[0029] 201- channel body, 202- channel cover,
[0030] 3- Drain pipe,
[0031] 4- First fastener,
[0032] 5- Second fastener,
[0033] 6- Cable ties,
[0034] 7- Bridge. DETAILED DESCRIPTION
[0035] The present invention is further described in detail below in combination with test examples and specific implementation methods. However, this should not be understood as the scope of the above subject matter of the present invention being limited to the following embodiments, and all technologies realized based on the content of the present invention belong to the scope of the present invention.
[0036] In the description of the specific embodiments of the present invention, unless otherwise specified, the terms indicating the orientation or position relationship such as "upper", "lower", "left", "right", "center", "inside", "outside", etc. are all expressions based on the orientation or position relationship shown in the drawings, or the orientation or position relationship of the product / equipment / device of the utility model when it is usually used. These terms of orientation or position relationship are only for the convenience of describing the scheme of the utility model or simplifying the description in the specific embodiments, so that technicians can quickly understand the scheme, rather than indicating or implying that a specific device / component / element must have a specific orientation, or be constructed and operated in a specific position relationship, and therefore cannot be understood as a limitation on the present invention.
[0037] In addition, if the terms "horizontal", "vertical", "overhanging", "parallel" and the like appear, it does not mean that the corresponding devices / components / elements are required to be absolutely horizontal or vertical or overhanging or parallel, but may be slightly tilted or have deviations. For example, "horizontal" only means that its direction is more horizontal than "vertical", and does not mean that the structure must be completely horizontal, but may be slightly tilted. Alternatively, it can be simplified to mean that the corresponding devices / components / elements are set in directions such as "horizontal", "vertical", "overhanging", "parallel", etc., and can have an error / deviation of ±10% relative to the corresponding direction setting, more preferably an error / deviation within ±8%, more preferably an error / deviation within ±6%, more preferably an error / deviation within ±5%, and more preferably an error / deviation within ±4%. As long as the corresponding device / component / element is within the error / deviation range, it can still achieve its role in the solution of the utility model.
[0038] In addition, the expressions “first”, “second”, “third”, etc. that appear in the terms are merely descriptions used to distinguish the same or similar components and should not be understood as emphasizing or implying the relative importance of specific components.
[0039] In addition, in the description of the embodiments of the present invention, "several", "multiple" and "a number" represent at least 2. It can be any number such as 2, 3, 4, 5, 6, 7, 8, 9, and even more than 9.
[0040] In addition, in the description of the technical solution of the utility model, unless otherwise clearly specified / defined / restricted, the terms "set", "install", "connect", "connected", "provided with", "laid", and "arranged" should be understood in a broad sense, for example, it can be a fixed connection, a detachable connection, or an integral connection, and can be welding, riveting, bolting, threading, and other commonly used connection means in the field. This connection can be a mechanical connection, an electrical connection, or a communication connection; it can be a direct connection, or an indirect connection through an intermediate medium, and it can be the internal communication of two components.
[0041] Example 1
[0042] like Figure 1 , Figure 2 As shown, a drainage structure external to a bridge includes a connecting component 1, a channel 2 and a drainage pipe 3.
[0043] The channel 2 is firmly connected to the main structure of the bridge 7 through the connecting assembly 1. The channel 2 also includes a channel body 201 and a channel cover 202. The channel body 201 has an opening, which can be upward. The channel cover 202 is set at the opening position of the channel body 201, and the channel cover 202 can be opened and closed. During the construction period, when the channel cover 202 is opened, the drain pipe 3 can be placed in the channel body 201 through the position of the opening of the channel body 201. After the installation of the drain pipe 3 is completed, the channel cover 202 is closed to cover the opening of the channel body 201, so that a relatively closed space is formed inside the channel 2. During the later maintenance period, the channel cover 202 can be reopened to inspect the drain pipe 3. If the drain pipe 3 is damaged, the drain pipe 3 can be repaired or replaced. The existence of the channel body 201 and the channel cover 202 not only protects the drain pipe 3 from damage by external forces and direct sunlight, but also facilitates the inspection and maintenance in the later maintenance stage.
[0044] Drain pipe 3, which is a PVC pipe, is placed in the channel 2. The length of the PVC pipe can be 3m-10m, and the specific length can be 3m, 6m, 10m. Several PVC pipes can be connected by adhesive.
[0045] In an optional embodiment, the channel 2 is connected to the lower part of the main structure of the bridge 7 through the connection assembly 1, which can effectively utilize the lower space of the bridge 7. The channel 2 is arranged longitudinally along the lane direction of the bridge 7.
[0046] In an optional embodiment, the cross section of the channel body 201 is U-shaped, and the inner bottom of the channel body 201 can be straight or curved. When the inner bottom of the channel body 201 is straight, the inner wall of the channel body 201 can fit the drain pipe 3 as much as possible to reduce the left and right shaking of the drain pipe 3. When the inner bottom of the channel body 201 is curved, the rolling of the drain pipe 3 in the channel 2 can be effectively prevented.
[0047] In an optional embodiment, if Figure 2 As shown, the outer side of the channel 2 is provided with a cable tie 6, which is used to fix the channel body 201 and the channel cover 202. The cable tie 6 can be a self-locking nylon cable tie or a stainless steel metal cable tie. The cable tie 6 surrounds the channel body 201 and the channel cover 202. After the cable tie 6 is tightened, it plays a role in fixing the channel cover 202 to prevent it from falling. During maintenance and overhaul, the cable tie 6 can be untied and the channel cover 202 can be opened for subsequent overhaul or replacement operations. The channel cover 202 and the channel body 201 can also be connected by a bayonet, which can be quickly installed and disassembled, saving time and labor costs.
[0048] In one or more embodiments, Figure 1 , Figure 3 , Figure 4 As shown, the connection assembly 1 includes a plurality of connection frames 101, which are arranged at intervals along the longitudinal direction of the bridge 7, and a connection frame 101 can be set at intervals of 2-3m. The connection frame 101 is connected to the bridge 7 through the first end plate 102 and the first fastener 4, and the connection frame 101 is connected to the channel 2 through the second end plate 103 and the second fastener 5. The first end plate 102 can increase the connection area between the connection frame 101 and the bridge 7, thereby enhancing the connection effect. The second end plate 103 can increase the connection area between the connection frame 101 and the channel 2, making the fixation of the channel 2 more stable.
[0049] In an optional embodiment, the first fastener 4 may be a high-strength bolt or an expansion bolt, and the second fastener 5 may be a bolt or a self-tapping screw. The first fastener 4 may also be a set of high-strength screws and embedded sleeves, and the embedded sleeves are welded and connected to the steel bars of the main structure of the bridge 7 in advance before the concrete of the bridge 7 is poured.
[0050] In an optional embodiment, the connecting frame 101 may be L-shaped, with the vertical section of the connecting frame 101 connected to the side of the main structure of the bridge 7, and the horizontal section of the connecting frame 101 used to support the channel 2, with the horizontal section facing the inside of the bridge 7, so as to place the channel 2 below the projection of the bridge 7. There may be diagonal braces between the vertical section and the horizontal section of the connecting frame 101 to enhance the integrity of the connecting frame 101.
[0051] In an optional embodiment, the connecting frame 101 may be an angle steel, and the cross-sectional thickness of the connecting frame 101 may be 3-6 mm, and the cross-sectional thickness may specifically be 3 mm, 5 mm, or 6 mm. The longitudinal width of the connecting frame 101 may be 20-60 mm, and the width may specifically be 20 mm, 50 mm, or 60 mm. The connecting frame 101 may be treated with hot-dip galvanizing for corrosion resistance, so that it has better corrosion resistance and improves the service life of the connecting frame 101. Angle steel is easy to cut and weld, so that the connecting frame 101 can be processed in batches in the factory, reducing the operation links at the construction site and improving the efficiency of on-site construction.
[0052] In an optional embodiment, the cross-sectional size of the channel 2 can be 70mm*70mm to 200mm*200mm, and the channel body 201 can be a stainless steel plate bending structure with a thickness of 2-4mm. The specific thickness of the channel body 201 can be 2mm, 3mm, or 4mm. The channel cover 202 can be a stainless steel plate bending structure with a thickness of 2-4mm. The specific thickness of the channel cover 202 can be 2mm, 3mm, or 4mm. The stainless steel plate material is light and easy to process quickly, which is conducive to factory batch processing. It has good corrosion resistance and is conducive to the construction and protection of the drain pipe 3 in the channel 2. The length of each section of the channel 2 can be 3m-6m. The specific length of each section of the channel 2 can be 3m or 6m. Each section of the channel 2 can be connected by welding or rivets.
[0053] In an optional embodiment, the first end plate 102 and the second end plate 103 may be 4-8 mm thick galvanized steel plates, and the thickness of the end plates may be 4 mm, 5 mm, or 8 mm. The use of galvanized steel plates may increase the corrosion resistance of the end plates and extend their service life. The first end plate 102 and the second end plate 103 may be welded to the connecting frame 101.
[0054] In an optional embodiment, the drain pipe 3 may be a PVC pipe with a diameter of 80-200 mm, and the specific diameter of the PVC pipe may be 80 mm, 100 mm, or 200 mm.
[0055] The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention. Any modifications, equivalent substitutions and improvements made within the spirit and principles of the present invention should be included in the protection scope of the present invention.
Claims
1. A drainage structure external to a bridge, characterized in that: include: A channel (2), wherein the channel (2) is connected to a bridge (7) via a connecting assembly (1), and the channel (2) further comprises a channel body (201) and a channel cover (202), wherein the channel cover (202) can be opened; A drainage pipe (3), wherein the drainage pipe (3) is a PVC pipe, and the drainage pipe (3) is placed in the channel (2).
2. The external drainage structure of a bridge according to claim 1, characterized in that: The channel (2) is connected to the bottom of the bridge (7) via a connecting assembly (1).
3. The external drainage structure of a bridge according to claim 2, characterized in that: The cross section of the channel body (201) is U-shaped, and the inner bottom of the channel body (201) is straight or arc-shaped.
4. The external drainage structure of a bridge according to claim 3, characterized in that: The connection component (1) comprises: A plurality of connecting frames (101), wherein the connecting frames (101) are arranged at intervals along the longitudinal direction of the bridge (7), the connecting frames (101) are connected to the bridge (7) via a first end plate (102) and a first fastener (4), and the connecting frames (101) are connected to the channel (2) via a second end plate (103) and a second fastener (5).
5. The external drainage structure of a bridge according to claim 4, characterized in that: A cable tie (6) is sleeved on the outer side of the channel (2), and the cable tie (6) is used to fix the channel body (201) and the channel cover (202).
6. The external drainage structure of a bridge according to claim 4, characterized in that: The first fastener (4) is a high-strength bolt or an expansion bolt, and the second fastener (5) is a bolt or a self-tapping screw.
7. The external drainage structure of a bridge according to claim 4, characterized in that: The connecting frame (101) is L-shaped, the vertical section of the connecting frame (101) is connected to the side of the bridge (7), the horizontal section of the connecting frame (101) is used to support the channel (2), and a diagonal brace is connected between the vertical section and the horizontal section.
8. The external drainage structure of a bridge according to claim 4, characterized in that: The connecting frame (101) is an angle steel, the cross-sectional thickness of the connecting frame (101) is 3-6 mm, the longitudinal width of the connecting frame (101) is 20-60 mm, and the first end plate (102) and the second end plate (103) are galvanized steel plates with a thickness of 4-8 mm.
9. The external drainage structure of a bridge according to claim 4, characterized in that: The cross-sectional size of the channel (2) is 70mm*70mm-200mm*200mm, the channel body (201) is a stainless steel plate bent structural component with a thickness of 2-4mm, and the channel cover (202) is a stainless steel plate bent structural component with a thickness of 2-4mm.
10. An external drainage structure for a bridge according to any one of claims 1 to 9, characterized in that: The drainage pipe (3) is a PVC pipe with a diameter of 80-200 mm.