Self-adaptive bridge drainage overflow three-way system
Through the adaptive bridge drainage overflow three-way system, the problem of overload operation of the bridge drainage system in heavy rain is solved, pollutant control and flow regulation are realized, construction and operation and maintenance costs are reduced, and the requirements of water environment governance and bridge engineering are met.
Patent Information
- Application Number
- CN202510857198.3
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-06-25
- Publication Date
- 2025-08-05
AI Technical Summary
The existing bridge drainage system is prone to overload operation under heavy rain conditions, resulting in increased water risk in bridge area. The conventional overflow well equipment is complex in structure, large space and high in cost, making it difficult to apply on a large scale at the bridge rainwater outlets, and the emission of bridge deck runoff pollutants cannot be effectively controlled.
Adaptive bridge drainage overflow tee system is adopted, including longitudinal drainage pipes, longitudinal suspension pipe tee and overflow cross pipe. The bridge deck runoff pollutants are collected through longitudinal suspension pipe tee and processed at both ends of the bridge. During heavy rain, it is discharged to the water body through overflow cross pipes, and combined with telescopic joints and sealing structures to ensure drainage reliability and economicality.
It realizes the reduction of construction and operation and maintenance costs while controlling the runoff pollutants of the bridge deck, ensures the flow control and overflow management of the bridge drainage system in heavy rain, and meets the needs of water environment governance and bridge engineering in the new era.
Smart Images
Figure CN120425640A_ABST
Abstract
Description
Technical Field
[0001] The present invention relates to the technical field of bridge drainage, in particular to an adaptive bridge drainage overflow tee system. Background Art
[0002] In recent years, as water environment protection standards continue to improve, the design and operation and maintenance of bridge drainage systems face higher requirements.
[0003] At present, the existing traditional bridge drainage systems mostly adopt open direct discharge or riser discharge modes. Especially in large-span bridge projects, the bridge deck runoff is directly discharged into rivers, lakes and other receiving water bodies without treatment.
[0004] Pollutants such as bridge surface oil, dust particles, and motor vehicle exhaust sediment carried by the initial rainfall directly entered the river, causing a significant increase in the pollution load of the receiving water body and posing a threat to the regional water ecological environment.
[0005] However, if suspended longitudinal pipes are used to collect rainwater from the bridge deck on both sides of the river, due to the limitations of the pipe diameter and the system's drainage capacity, the drainage system may be easily overloaded under heavy rain conditions, resulting in a sudden increase in the risk of waterlogging on the bridge surface and seriously affecting driving safety.
[0006] Moreover, conventional municipal drainage systems use overflow well equipment, which is difficult to use on a large scale at bridge rainwater outlets due to its complex structure, large space occupied, and high construction cost.
[0007] Therefore, how to effectively control bridge runoff pollutants while taking into account engineering economy, reducing construction and operation and maintenance costs, and realizing flow regulation and overflow management of bridge drainage technology to meet the water environment governance and bridge engineering construction in the new era has become a technical problem that technical personnel in this field urgently need to solve. Summary of the Invention
[0008] In view of the above-mentioned defects of the prior art, the present invention provides an adaptive bridge drainage overflow three-way system, the purpose of which is to effectively control the pollutants in the bridge deck runoff while taking into account the engineering economy, reducing the construction and operation and maintenance costs, and realizing the flow control and overflow management of bridge drainage technology, thereby meeting the water environment governance and bridge engineering construction costs in the new era.
[0009] To achieve the above-mentioned purpose, the present invention discloses an adaptive bridge drainage overflow tee system, including a longitudinal drainage pipe arranged on one side of the bridge deck, a short downspout vertically arranged and connected to the bridge rainwater outlet, and a longitudinal suspension pipe tee arranged between the longitudinal drainage pipe and the short downspout to introduce rainwater in the short downspout into the longitudinal drainage pipe.
[0010] Wherein, the longitudinal drainage pipe comprises at least two coaxially arranged pipe units;
[0011] The longitudinal suspension pipe tee is arranged between the two pipe units;
[0012] The longitudinal suspension pipe tee comprises a first connecting end and a second connecting end which are arranged in a straight line in the axial direction, and a third connecting end which forms an angle of 90° with the axial direction of the first connecting end and the second connecting end and opens upward;
[0013] The first connecting end and the second connecting end are respectively connected to the two pipe units;
[0014] The lower end of the longitudinal drain pipe is socket-connected to the third connection end, and the side wall near the lower end is connected to an overflow horizontal pipe with an upwardly protruding inverted U-shaped structure through a tee structure, and is connected to the overflow vertical pipe through the overflow horizontal pipe. The pipe body above the tee structure is provided with an expansion joint, through which the upper end can move relative to the lower end;
[0015] The height of the highest point of the overflow cross pipe does not exceed the height of the lowest point of the bridge deck,
[0016] The inner diameter of the third connecting end is larger than the outer diameter of the lower end of the longitudinal drain pipe, and a seal is provided between the third connecting end and the longitudinal drain pipe.
[0017] Preferably, the overflow transverse pipe includes four elbows connected in sequence, with the minimum axial angle at both ends being 45 degrees, and the upwardly protruding inverted U-shaped structure is formed by the four elbows connected in sequence.
[0018] Preferably, an exhaust hole is provided at the highest point of the wall of the overflow transverse pipe.
[0019] More preferably, the diameter of the exhaust hole is 5 mm.
[0020] Preferably, the lower water outlet of the overflow standpipe is located at a position more than 0.5 m above the high water level.
[0021] Preferably, two seals are provided between the third connection end and the longitudinal drainage pipe; wherein, the seal close to the inner side of the longitudinal suspension pipe tee is the first seal, specifically: a Q-shaped rubber ring and a corresponding rubber ring bayonet, and the other seal close to the outer side of the longitudinal suspension pipe tee is the second seal, specifically a plug of glue caulking.
[0022] Preferably, the first connecting end and the second connecting end are both sockets, and the inner diameters are larger than the corresponding pipe units.
[0023] Each of the pipe units is connected to the corresponding first connection end or the corresponding second connection end through a socket connection.
[0024] More preferably, a third seal is formed between each of the pipe units and the corresponding first connecting end or the corresponding second connecting end by arranging two Q-shaped rubber rings and corresponding rubber ring bayonet joints.
[0025] More preferably, each of the pipe units of the longitudinal drainage pipe, the short downpipe, the longitudinal suspension pipe tee, the overflow horizontal pipe and the overflow vertical pipe are fixed by pipe clamps.
[0026] Preferably, each of the pipe units of the longitudinal drainage pipe, the short downpipe, the longitudinal suspension pipe tee, the tee structure, the overflow horizontal pipe and the overflow vertical pipe are all made of steel or PE material.
[0027] Beneficial effects of the present invention:
[0028] The present invention collects initial rainfall carrying bridge deck oil, dust particles, and motor vehicle exhaust sediments through longitudinal suspension pipe tees and longitudinal drainage pipes, and discharges the collected rainfall to the ground at both ends of the bridge for treatment.
[0029] Under heavy rain conditions, the present invention can discharge the rainwater overflow that cannot be transferred by the longitudinal suspension pipe tee and the longitudinal drainage pipe into the water body through the overflow transverse pipe.
[0030] The overflow transverse pipe of the present invention avoids vertical falling water splashing into the overflow vertical pipe by setting it at a reasonable elevation; and the design of not exceeding the elevation of the bridge deck can also ensure that overflow can be achieved through the transverse pipe in the event of heavy rain, thus avoiding water accumulation on the bridge; the setting of the exhaust hole can ensure the reliability of drainage and will not affect the performance of the overflow pipe due to air blockage.
[0031] The present invention has a simple and reliable structure and is easy to operate, maintain and repair.
[0032] The concept, specific structure and technical effects of the present invention will be further described below in conjunction with the accompanying drawings to fully understand the purpose, characteristics and effects of the present invention. BRIEF DESCRIPTION OF THE DRAWINGS
[0033] Figure 1 A structural diagram of an embodiment of the present invention is shown. DETAILED DESCRIPTION
[0034] Example
[0035] like Figure 1 As shown, the adaptive bridge drainage overflow tee system includes a longitudinal drainage pipe 2 arranged on one side of the bridge deck 1, a short downpipe 3 arranged vertically and connected to the bridge rainwater outlet, and a longitudinal suspension pipe tee 4 arranged between the longitudinal drainage pipe 2 and the short downpipe 3 to introduce rainwater in the short downpipe 3 into the longitudinal drainage pipe 2.
[0036] Wherein, the longitudinal drainage pipe 2 comprises at least two coaxially arranged pipe units;
[0037] The longitudinal suspension pipe tee 4 is arranged between the two pipe units;
[0038] The longitudinal suspension pipe tee 4 includes a first connecting end and a second connecting end which are arranged in a straight line in the axial direction, and a third connecting end which is at an angle of 90° to the axial direction of the first connecting end and the second connecting end and is open upward;
[0039] The first connecting end and the second connecting end are respectively connected to the two pipe units;
[0040] The lower end of the longitudinal drain pipe 2 is connected to the third connection end through a socket joint. The side wall near the lower end is connected to an overflow horizontal pipe 6 with an upwardly protruding inverted U-shaped structure through a tee structure 5. The overflow horizontal pipe 6 is connected to the overflow vertical pipe 7 through the overflow horizontal pipe 6. The pipe body above the tee structure 5 is provided with an expansion joint 7, which allows the upper end to move relative to the lower end.
[0041] The height of the highest point of the overflow cross pipe 6 does not exceed the height of the lowest point of the bridge deck 1.
[0042] The inner diameter of the third connecting end is larger than the outer diameter of the lower end of the longitudinal drain pipe 2 , and a seal is provided between the third connecting end and the longitudinal drain pipe 2 .
[0043] The present invention connects the bridge rainwater outlet through a short downpipe 3 with an expansion joint 7, and connects the lower end of the short downpipe 3 to the longitudinal suspension pipe tee 4 through a socket connection, so that the bridge deck runoff pollutants can be effectively controlled while taking into account the engineering economy, reducing the construction and operation and maintenance costs, and realizing the flow regulation and overflow management of the bridge drainage technology, thereby meeting the water environment management and bridge engineering construction in the new era into an adaptive bridge drainage overflow, and solving the defects of the existing technology.
[0044] In some embodiments, the overflow transverse pipe 6 includes four elbows 61 connected in sequence, with the minimum axial angle between the two ends being 45 degrees, and an upwardly protruding inverted U-shaped structure is formed by the four elbows 61 connected in sequence.
[0045] In some embodiments, an exhaust hole 62 is provided at the highest point of the wall of the overflow transverse pipe 6 .
[0046] In some embodiments, the vent holes 62 have a diameter of 5 mm.
[0047] In some embodiments, the lower outlet 71 of the overflow standpipe 7 is located at a position more than 0.5 m above the high water level.
[0048] In some embodiments, two seals are provided between the third connection end and the longitudinal drainage pipe 2; among them, the seal close to the inner side of the longitudinal suspension pipe tee 4 is the first seal 41, specifically: a Q-shaped rubber ring and a corresponding rubber ring bayonet, and the other seal close to the outer side of the longitudinal suspension pipe tee 4 is the second seal 42, specifically a plug of glue.
[0049] In practical applications, the first seal 41 formed by the Q-shaped rubber ring 41 and the corresponding rubber ring bayonet and the second seal 42 formed by the plugging putty caulking can fix the short downspout 3 while retaining a certain redundancy of relative displacement.
[0050] In some embodiments, the first connection end and the second connection end are both sockets, and the inner diameters of both are larger than the corresponding pipe units.
[0051] Each pipe unit is connected to the corresponding first connection end or the corresponding second connection end through a socket connection.
[0052] In some embodiments, a third seal 43 is formed between each pipe unit and the corresponding first connection end or the corresponding second connection end by providing two Q-shaped rubber rings and corresponding rubber ring snaps.
[0053] In practical applications, two Q-shaped rubber rings and corresponding rubber ring snap-fits are provided between each pipe unit and the corresponding first connection end or the corresponding second connection end to form a third seal 43, which can retain redundancy of longitudinal relative displacement.
[0054] In some embodiments, each pipe unit of the longitudinal drainage pipe 2 , the short vertical pipe 3 , the longitudinal suspension pipe tee 4 , the overflow horizontal pipe 6 and the overflow vertical pipe 7 are all fixed by pipe clamps 8 .
[0055] In certain embodiments, each pipe unit of the longitudinal drainage pipe 2, the short vertical pipe 3, the longitudinal suspension pipe tee 4, the tee structure 5, the overflow horizontal pipe 6 and the overflow vertical pipe 7 are all made of steel or PE material.
[0056] In practical applications, each pipe unit of the longitudinal drainage pipe 2, the short vertical pipe 3, the longitudinal suspension pipe tee 4, the tee structure 5, the overflow horizontal pipe 6 and the overflow vertical pipe 7 are manufactured using easy-to-process materials such as steel or PE, which can greatly reduce the manufacturing cost.
[0057] The above describes in detail the preferred embodiments of the present invention. It should be understood that those skilled in the art can make numerous modifications and variations based on the concepts of the present invention without inventive effort. Therefore, any technical solutions that can be derived by those skilled in the art through logical analysis, reasoning, or limited experimentation based on the concepts of the present invention and the prior art should be within the scope of protection defined by the claims.
Claims
1. Adaptive bridge drainage overflow tee system; characterized by, The invention comprises a longitudinal drainage pipe (2) arranged on one side of a bridge deck (1), a short downspout (3) arranged vertically and connected to a rainwater outlet of the bridge, and a longitudinal suspension pipe tee (4) arranged between the longitudinal drainage pipe (2) and the short downspout (3) to guide rainwater in the short downspout (3) into the longitudinal drainage pipe (2); The longitudinal drainage pipe (2) comprises at least two coaxially arranged pipe units; The longitudinal suspension pipe tee (4) is arranged between the two pipe units; The longitudinal suspension pipe tee (4) comprises a first connecting end and a second connecting end which are arranged in a straight line in the axial direction, and a third connecting end which forms an angle of 90° with the axial directions of the first connecting end and the second connecting end and opens upward; The first connecting end and the second connecting end are respectively connected to the two pipe units; The lower end of the longitudinal drain pipe (2) is connected to the third connection end by a socket-type socket, and an overflow transverse pipe (6) with an upwardly protruding inverted U-shaped structure is connected to the side wall near the lower end through a three-way structure (5), and is connected to the overflow vertical pipe (7) through the overflow transverse pipe (6). The pipe body located above the three-way structure (5) is provided with a telescopic joint (7), and the upper end can move relative to the lower end through the telescopic joint (7); The height of the highest point of the overflow cross pipe (6) does not exceed the height of the lowest point of the bridge deck (1), The inner diameter of the third connecting end is larger than the outer diameter of the lower end of the longitudinal drain pipe (2), and a seal is provided between the third connecting end and the longitudinal drain pipe (2).
2. The adaptive bridge drainage overflow tee system according to claim 1 is characterized in that: The overflow transverse pipe (6) comprises four elbows (61) connected in sequence, with the minimum axial angle at both ends being 45 degrees. The upwardly protruding inverted U-shaped structure is formed by the four elbows (61) connected in sequence.
3. The adaptive bridge drainage overflow tee system according to claim 1 is characterized in that: An exhaust hole (62) is provided at the highest point of the wall of the overflow transverse pipe (6).
4. The adaptive bridge drainage overflow tee system according to claim 4 is characterized in that: The diameter of the exhaust hole (62) is 5 mm.
5. The adaptive bridge drainage overflow tee system according to claim 1, characterized in that: The lower end water outlet (71) of the overflow vertical pipe (7) is located at a position more than 0.5 m above the high water level.
6. The adaptive bridge drainage overflow tee system according to claim 1, characterized in that: Two seals are provided between the third connection end and the longitudinal drainage pipe (2); wherein the seal close to the inner side of the longitudinal suspension pipe tee (4) is a first seal (41), specifically: a Q-shaped rubber ring and a corresponding rubber ring bayonet, and the other seal close to the outer side of the longitudinal suspension pipe tee (4) is a second seal (42), specifically: a plug of glue caulking.
7. The adaptive bridge drainage overflow tee system according to claim 1, characterized in that: The first connecting end and the second connecting end are both sockets, and the inner diameters of both are larger than the corresponding pipe units. Each of the pipe units is connected to the corresponding first connection end or the corresponding second connection end through a socket connection.
8. The adaptive bridge drainage overflow tee system according to claim 7, characterized in that: A third seal (43) is formed between each of the pipe units and the corresponding first connection end or the corresponding second connection end by arranging two Q-shaped rubber rings and corresponding rubber ring bayonets.
9. The adaptive bridge drainage overflow tee system according to claim 7, characterized in that: Each pipe unit of the longitudinal drainage pipe (2), the short downspout (3), the longitudinal suspension pipe tee (4), the overflow horizontal pipe (6) and the overflow vertical pipe (7) are all fixed by pipe clamps (8).
10. The adaptive bridge drainage overflow tee system according to claim 1, characterized in that: Each pipe unit of the longitudinal drainage pipe (2), the short downpipe (3), the longitudinal suspension pipe tee (4), the tee structure (5), the overflow horizontal pipe (6) and the overflow vertical pipe (7) are all made of steel or PE material.