Bridge drainage structure
By incorporating a water guide plate and a sewage discharge screw into the bridge drainage structure, the problem of blockage caused by impurities entering the bridge during large-volume drainage was solved, achieving a highly efficient drainage effect for the bridge.
Patent Information
- Application Number
- CN202520623757.X
- Authority / Receiving Office
- CN · China
- Patent Type
- Utility models(China)
- Current Assignee / Owner
- Filing Date
- 2025-04-03
- Publication Date
- 2026-02-27
- Estimated Expiration
- 2035-04-03
AI Technical Summary
When a bridge is draining a large volume of water, impurities and fallen leaves on the bridge surface can easily enter the drainage structure, causing blockages.
A bridge drainage structure was designed, including an installation cylinder, a water guide plate, a sewage discharge screw rod, and a filter screen. The water guide plate guides the water flow to drive the sewage discharge screw rod to rotate, clean the impurities on the filter screen, and discharge the impurities through a reducing pipe and a sewage discharge channel, ensuring smooth water flow.
It effectively prevents drainage pipe blockage, ensures efficient drainage of the bridge, and avoids drainage system failures caused by the sedimentation of impurities.
Smart Images
Figure CN223951611U_ABST
Abstract
Description
TECHNICAL FIELD
[0001] The utility model relates to bridge drainage technical field, concretely is a bridge drainage structure. BACKGROUND
[0002] Bridge is a kind of artificial construction structure for crossing obstacles such as river, canyon, road or other traffic lines.Modern bridge is built by steel and concrete, supporting the passage of vehicles, pedestrians and railways.Bridge drainage is an important component to ensure the safety and durability of bridge structure, and effective drainage system can prevent water accumulation in bridge structure, reduce structural problems caused by water damage, such as steel corrosion, concrete spalling, etc.
[0003] In the existing bridge construction, in order to quickly remove the water on the bridge deck, prevent rainwater from accumulating on the bridge deck and seeping into the beam to affect the durability of the bridge, a certain number of water discharge pipes are usually arranged on the bridge deck in addition to longitudinal and transverse slope drainage, so as to form a complete drainage system, and the water discharge pipes generally include metal water discharge pipe, reinforced concrete water discharge pipe and transverse drainage pipe, etc.However, impurities, fallen leaves and other substances that may exist on the bridge deck may enter the drainage structure during large water drainage, which may cause drainage blockage. SUMMARY
[0004] The utility model discloses a bridge drainage structure to solve the problem that impurities, fallen leaves and other substances that may exist on the bridge deck may enter the drainage structure during large water drainage of the current bridge, which may cause drainage blockage.
[0005] To achieve the above object, the utility model provides the following technical scheme: a bridge drainage structure, comprising a bridge and a drainage structure main body, the drainage structure main body is arranged on the bridge, an installation cylinder is arranged on the drainage structure main body, a drainage cover is connected to the upper end of the installation cylinder in a clamping mode, a water guide plate with a concave shape structure is clamped in the installation cylinder, a positioning cylinder is arranged on the side surface of the installation cylinder, a sewage pipe is integrally arranged below the positioning cylinder, a sewage spiral rod is rotatably arranged between the positioning cylinder and the installation cylinder, a plurality of leaves are uniformly and spacedly arranged below the water guide plate, a filter screen is arranged at the bottom of the inner side of the installation cylinder, the filter screen has an arc shape structure, and the filter screen is in contact with the leaves, the bridge is provided with a first drainage surface inclined to the middle on both sides, the road surface of the bridge is further provided with a second drainage surface inclined to both sides, and a drainage channel and a sewage channel are arranged at the junction of the first drainage surface and the second drainage surface.
[0006] Preferably, the first drainage surface and the second drainage surface have a height difference, and the drainage channel is located at the lowest part of the second drainage surface.
[0007] Preferably, the drainage channel is inserted with a drainage pipe with a bend structure, and the upper end of the drainage pipe is sealingly connected with a reducing pipe fitting, the filter screen is fastened and connected in the reducing pipe fitting, and the reducing pipe fitting is connected in the mounting cylinder.
[0008] Preferably, the lower end of the drainage pipe is connected with a drainage horizontal pipe, and the lower end of the drainage horizontal pipe is fixed with a drainage vertical pipe through a pipe fitting.
[0009] Preferably, the water guide plate is inclined, and the water outlet part of the water guide plate is smaller than the width of the fan blade.
[0010] Preferably, the sewage spiral rod is horizontally installed, and the lower position of the sewage spiral rod is matched with the gap of the filter screen.
[0011] Compared with the prior art, the bridge drainage structure has the beneficial effects that: the filter screen is designed in the mounting cylinder, and a structure for automatic cleaning of the filter screen is arranged in the mounting cylinder, when the drainage flow is large, many impurities are washed into the mounting cylinder, at this time, the water flow can drive the sewage spiral rod to rotate through the fan blade, realizing impurity cleaning, effectively preventing impurities from depositing in the drainage pipe, and ensuring the bridge drainage effect. The bridge drainage structure designs the filter screen into an arc structure, so that the filtering area is increased, and the filter screen is reliably positioned through the reducing pipe fitting, so that the drainage can enter the drainage pipe after filtration through the reducing pipe fitting, the impurity removal channel and the drainage channel are not at the same place, and the drainage pipe can be prevented from being blocked. BRIEF DESCRIPTION OF DRAWINGS
[0012] Figure 1 It is a bridge drainage structure drainage channel opening position structure schematic view of the utility model;
[0013] Figure 2 It is a bridge drainage structure of the utility model Figure 1 It is an enlarged structure schematic view of A in the bridge drainage structure;
[0014] Figure 3 It is a side view of the bridge drainage structure of the utility model;
[0015] Figure 4 It is a bridge drainage structure of the utility model Figure 3 It is an enlarged structure schematic view of B in the bridge drainage structure;
[0016] Figure 5 It is a mounting cylinder and drainage pipe connection structure schematic view of the bridge drainage structure of the utility model;
[0017] Figure 6 It is a mounting cylinder and positioning cylinder connection structure schematic view of the bridge drainage structure of the utility model.
[0018] In the figure: 1, bridge; 101, first drainage surface; 102, second drainage surface; 103, drainage passage; 104, drainage passage; 2, drainage structure main body; 3, installation cylinder; 301, water guide plate; 302, drainage cover; 4, positioning cylinder; 401, drainage pipe; 5, drainage screw rod; 501, fan blade; 6, drainage pipe; 601, reducing pipe fitting; 602, drainage vertical pipe; 603, drainage horizontal pipe; 7, filter screen. DETAILED DESCRIPTION
[0019] The technical solutions in the embodiments of the present application will be clearly and completely described below with reference to the drawings in the embodiments of the present application. Obviously, the described embodiments are only part of the embodiments of the present application, rather than all the embodiments. Based on the embodiments in the present application, all other embodiments obtained by those skilled in the art without creative labor fall within the scope of protection of the present application.
[0020] Please refer to Figures 1-6The utility model provides a technical scheme: a bridge drainage structure, including bridge 1 and drainage structure main part 2, drainage structure main part 2 is located on bridge 1, be equipped with installation cylinder 3 on drainage structure main part 2, and installation cylinder 3 upper end joint has drainage cover 302, and still joint has the water deflector 301 of concave letter shape structure in installation cylinder 3, installation cylinder 3 side is equipped with positioning cylinder 4, and positioning cylinder 4 below integral is equipped with blow-off pipe 401, and the common rotation of positioning cylinder 4 and installation cylinder 3 is installed and is equipped with blow-off screw rod 5, and blow-off screw rod 5 even interval fixed with fan blade 501 below water deflector 301, installation cylinder 3 inner side bottom is also equipped with screen 7, and screen 7 is arc structure, and screen 7 and fan blade 501 contact cooperation, water deflector 301 is arranged obliquely, and the water outlet part width of water deflector 301 is less than the width of fan blade 501, this structure can let the rainwater in installation cylinder 3 can be guided on fan blade 501 through water deflector 301, if rainwater is enough, will make water flow to fan blade 501, drive blow-off screw rod 5 to rotate, blow-off screw rod 5 horizontal installation, and blow-off screw rod 5 below position and screen 7 gap cooperation, this structure because through water deflector 301 controlled the flow direction of water flow, thus blow-off screw rod 5 can carry out surface impurity removal treatment to screen 7 in rotation, to prevent drainage blockage, blow-off screw rod 5 scrapes impurity to positioning cylinder 4, again by blow-off pipe 401 and exports, simultaneously when the drainage capacity is big, blow-off pipe 401 can also provide drainage function, ensure the drainage of bridge 1 high efficiency, bridge 1 both sides are equipped with the first drainage surface 101 respectively to the middle part inclination, and the road surface of bridge 1 is also equipped with the second drainage surface 102 respectively to both sides inclination, first drainage surface 101 with second drainage surface 102 between having height difference, and drainage channel 103 is located at the lowest place of second drainage surface 102, this structure first drainage surface 101 is mainly used for the installation of railing, and improves the pedestrian passageway, second drainage surface 102 is used for the traffic treatment of vehicle, second drainage surface 102 passes through to both sides inclination, makes rainwater can drain to both sides, and converges to the lowest place drainage structure main part 2, and the junction of first drainage surface 101 and second drainage surface 102 on bridge 1 is equipped with the drainage channel 103 and blow-off channel 104 of intercommunication, drainage pipe 6 of elbow pipe structure is inserted in drainage channel 103, and the upper end of drainage pipe 6 is sealed and connected with the reducing pipe fitting 601, the screen 7 is fastened and connected in the reducing pipe fitting 601, and the reducing pipe fitting 601 is connected in the installation cylinder 3, this structure can let rainwater pass through reducing pipe fitting 601 and enter the drainage pipe 6, and rainwater can be filtered through the screen 7 to prevent the drainage pipe 6 from being blocked, the reducing pipe fitting 601 is provided with a groove corresponding to the positioning cylinder 4 to facilitate the installation of the blow-off screw rod 5, the lower end of the drainage pipe 6 is connected with the drainage cross pipe 603, and the lower end of the drainage cross pipe 603 is fixed with the drainage vertical pipe 602 through the pipe fitting, this structure makes the rainwater converge in the drainage cross pipe 603 through the drainage pipe 6, and then is distributed to the drainage vertical pipe 602 for drainage, reducing the impact of water flow.
[0021] Working principle: when using the bridge drainage structure, first, when the bridge 1 is constructed, the road surface is designed to form a first drainage surface 101 and a second drainage surface 102, which can drain most of the rainwater on the road surface, and the drainage channel 103 and the drainage channel 104 are opened in advance, after the filter screen 7 is installed on the reducing pipe 601 of the drainage structure main body 2, the reducing pipe 601 is tightly clamped into the installation cylinder 3, and the drainage spiral rod 5 is installed into the installation cylinder 3 and the positioning cylinder 4, to ensure that the drainage spiral rod 5 can rotate, and at the same time, the fan blade 501 is located in the installation cylinder 3, then the water guide plate 301 is clamped into the installation cylinder 3, and finally the drainage cover 302 is covered on the installation cylinder 3, the drainage pipe 6 penetrates into the drainage channel 103, and the drainage pipe 6 and the reducing pipe 601 are sealed and connected, then the installation cylinder 3 and the positioning cylinder 4 are respectively installed into the drainage channel 103 and the drainage channel 104 for fixation, so that when the drainage structure main body 2 is working, rainwater can flow into the installation cylinder 3 through the through hole of the drainage cover 302, and the water guide plate 301 guides the rainwater in one direction, so that when a large amount of water is drained, the water flow can impact the fan blade 501, drive the drainage spiral rod 5 to rotate, scrape off the impurities on the filter screen 7, and make the impurities be discharged at the drainage pipe 401 by gravity, and the rainwater flows into the drainage pipe 6 and is collected in the drainage horizontal pipe 603, and then is distributed to the drainage vertical pipe 602 for drainage, thereby completing a series of work.
[0022] Although the utility model has been described in detail with reference to the foregoing embodiments, those skilled in the art can still modify the technical solutions recorded in the foregoing embodiments, or make equivalent replacement to part of the technical features, and any modification, equivalent replacement, improvement, etc. made within the spirit and principles of the utility model should be included in the protection scope of the utility model.
Claims
1. A bridge drainage structure comprising a bridge (1) and a drainage structure body (2) provided on the bridge (1), characterized in that: The drainage structure body (2) is provided with a mounting cylinder (3), and the upper end of the mounting cylinder (3) is clamped with a drainage cover (302), and the mounting cylinder (3) is also clamped with a concave-shaped water guide plate (301), the side of the mounting cylinder (3) is provided with a positioning cylinder (4), and the lower part of the positioning cylinder (4) is integrally provided with a sewage pipe (401), the positioning cylinder (4) and the mounting cylinder (3) are jointly and rotatably installed with a sewage spiral rod (5), and the parts below the water guide plate (301) of the sewage spiral rod (5) are uniformly and spacedly fixed with fan blades (501), the inner bottom of the mounting cylinder (3) is also provided with a filter screen (7), the filter screen (7) is an arc-shaped structure, and the filter screen (7) is in contact with the fan blades (501), the two sides of the bridge (1) are respectively provided with first drainage surfaces (101) inclined to the middle part, the road surface of the bridge (1) is also respectively provided with second drainage surfaces (102) inclined to the two sides, and the bridge (1) is provided with drainage channels (103) and sewage channels (104) communicating with each other at the junction of the first drainage surfaces (101) and the second drainage surfaces (102).
2. A bridge drainage structure according to claim 1, characterised in that: The first drainage surface (101) and the second drainage surface (102) have a height difference, and the drainage channel (103) is located at the lowest part of the second drainage surface (102).
3. A bridge drainage structure according to claim 1, characterised in that: The drainage channel (103) is inserted with a drainage pipe (6) of an elbow structure, and the upper end of the drainage pipe (6) is sealingly clamped with a reducing pipe fitting (601), the filter screen (7) is tightly clamped in the reducing pipe fitting (601), and the reducing pipe fitting (601) is clamped in the mounting cylinder (3).
4. A bridge drainage structure according to claim 3, wherein: The lower end of the drainage pipe (6) is jointly connected with a drainage cross pipe (603), and the lower end of the drainage cross pipe (603) is spacedly fixed with a drainage vertical pipe (602) through a pipe fitting.
5. A bridge drainage structure according to claim 1, wherein: The water guide plate (301) is inclined, and the width of the water outlet part of the water guide plate (301) is smaller than the width of the fan blade (501).
6. A bridge drainage structure according to claim 1, wherein: The sewage spiral rod (5) is horizontally installed, and the lower part of the sewage spiral rod (5) is gap-fitted with the filter screen (7).