CN218521611U - Bridge collecting and draining system - Google Patents

Abstract

The utility model discloses a drainage system is collected to bridge, include along the horizontal collection drain pipe that sets up in the bridge floor to the horizontal collection drain pipe and along the vertical bridge to the ecological retaining system that sets up in the girder both sides that is used for collecting rainwater in the horizontal collection drain pipe that sets up in the abutment inner chamber, and set up the abutment water storage system that is used for collecting the rainwater that flows through ecological retaining system and supplies water to ecological retaining system in the abutment inner chamber, all be provided with hydraulic drive delay unit between ecological retaining system and the horizontal collection drain pipe, between ecological retaining system and the abutment water storage system, rainwater in the horizontal collection drain pipe enters ecological retaining system through hydraulic drive electromagnetism delay unit, rainwater in the ecological retaining system enters abutment water storage system through hydraulic drive delay unit, rainwater in the abutment water storage system can pump to ecological retaining system; the bridge deck water collecting and draining system solves the main common problem existing in the conventional bridge deck water collecting and draining system and has the advantages of being high in draining efficiency, small in management and protection workload, good in appearance effect and long in service life.

Description

Bridge collecting and draining system

Technical Field

The utility model relates to a bridge field, concretely relates to drainage system is collected to bridge.

Background

The bridge floor collecting and draining is mainly used for collecting and draining sewage generated by conventional rainfall, daily bridge floor washing and leakage washing of accident vehicles, so that the pollution caused by directly discharging the sewage to a water area environment spanned by a bridge is avoided. The bridge floor drainage system is an important part of auxiliary facilities of the bridge and is an important factor directly related to driving safety and influencing the safety and durability of the bridge structure. The conventional bridge deck runoff collecting and draining system generally adopts the mode that a rainwater grate is arranged at the lowest position of a bridge deck cross slope, a water drain pipe penetrating through a main structure of a bridge is arranged, the water drain pipe is connected with a longitudinal drain pipe hung at the bottom of a beam, the longitudinal drain pipe is mainly made of a circular pipe made of PVC (polyvinyl chloride) materials and serves as a longitudinal runoff drain pipe, and bridge deck rainwater is drained to a ground draining system through a vertical water drain pipe at a pier. The conventional bridge deck collection and drainage system has the main problems that: (1) The vertical bridge that is when vertical pipe in water is great to the interval, and vertical drainage pipe diameter needs very big just can satisfy the requirement of torrential rain runoff drainage, and not only engineering cost is high, and vertical drain pipe setting is in girder bottom surface or outside, and vertical drainage pipe is the full current state during the torrential rain, has provided higher requirement to the bearing load of bridge. If the pipe diameter of the longitudinal drainage pipe is too thin, the requirement of rainstorm runoff drainage cannot be met, and when the rainfall exceeds the designed net flow, accumulated water is formed on the bridge floor, so that the potential safety hazard of driving is caused. (2) The longitudinal drain pipe adopts a closed round pipe, is easily blocked by sundries such as garbage, leaves, wastepaper, silt, stones and the like in the use process, causes difficulty in drainage, has the risk of pipeline blockage, and very easily leads to accumulated water on the bridge floor to influence the driving safety. (3) Drainage system is collected to conventional bridge floor is inside enclosed construction, even the jam also is difficult to discover concrete jam position, and clearance, mediation are also comparatively difficult, are unfavorable for the management maintenance. (4) The longitudinal drain pipe and the pipeline support in the conventional bridge floor collecting and draining system are exposed at the bottom of the beam, so that the landscape of the bridge is influenced, and the bridge is easy to age and fall off. Meanwhile, for the flat box girder with shorter cantilever arm length or fish belly type, if a conventional bridge deck collection drainage system is still adopted, the drain pipe connected with the bridge deck rainwater grate still needs to penetrate through the main girder structure, and the gap between the rainwater grate and the main girder body is easy to leak water, so that the durability of the main girder structure and the service life of the main girder structure are adversely affected, and the maintenance of the interior of the main girder structure is also very inconvenient.

SUMMERY OF THE UTILITY MODEL

In view of this, the utility model aims at overcoming the defect among the prior art, providing a drainage system is collected to bridge, solve the main commonality problem that conventional bridge floor collection drainage system exists, have that drainage efficiency is high, the management and protection work load is few, the outward appearance is effectual, long service life's characteristics.

The utility model discloses a drainage system is collected to bridge, include along the horizontal collection drain pipe that sets up in the bridge floor to the horizontal collection drain pipe and along the vertical bridge to the ecological retaining system that sets up in the girder both sides that is used for collecting rainwater in the horizontal collection drain pipe that sets up in the abutment inner chamber, and set up the abutment water storage system that is used for collecting the rainwater that flows through ecological retaining system and supplies water to ecological retaining system in the abutment inner chamber, all be provided with hydraulic drive delay unit between ecological retaining system and the horizontal collection drain pipe, between ecological retaining system and the abutment water storage system, rainwater in the horizontal collection drain pipe enters ecological retaining system through hydraulic drive electromagnetism delay unit, rainwater in the ecological retaining system enters abutment water storage system through hydraulic drive delay unit, rainwater in the abutment water storage system can be pumped to ecological retaining system;

furthermore, the ecological water storage system comprises a prefabricated water drainage tank and a water storage flower pond detachably arranged on the inner wall of the prefabricated water drainage tank, a stainless steel water tank for supplying water to the ecological water storage flower pond is arranged above the ecological water storage flower pond, a water outlet for rainwater to enter the stainless steel water tank is formed in the stainless steel water tank, a water outlet cover is arranged on the water outlet, the hydraulic driving electromagnetic delay device controls the water outlet cover to be opened and closed, the hydraulic driving electromagnetic delay device guides rainwater after a period of radial flow in the transverse collection drain pipe into the stainless steel water tank, and the rest rainwater flows into the prefabricated water drainage tank;

further, the abutment water storage system comprises an abutment water collection pit and a plurality of water storage tanks which are communicated, a water tank water supply pipe connected with the water storage tanks is arranged on the bottom surface of the abutment water collection pit, a water tank water supply pipe is provided with a water discharge cover, and the hydraulic drive electromagnetic delay device drives the water discharge cover of the water tank water supply pipe to open and close;

furthermore, the hydraulic drive electromagnetic delay device comprises an impeller, a planetary gear set and a micro direct current generator which are coaxially connected with the impeller, the micro direct current generator is connected with a capacitor, a delay relay and a push-pull electromagnet to form a loop, the push-pull electromagnet is connected with a draw bar, a spring is sleeved on the draw bar, the tail end of the draw bar is fixedly connected with a lower water cover of the stainless steel water tank lower water cover/a lower water cover of a water tank water supply pipe, water flow impacts the impeller to rotate and drives the planetary gear set to rotate, so that the micro direct current generator is driven to start power generation, and a coil in the push-pull electromagnet is electrified in a delayed mode through the delay relay to enable the draw bar to move linearly, so that the lower water cover of the stainless steel water tank lower water cover/the water tank water supply pipe is driven to open;

furthermore, the water storage flower pond comprises a planting box with a U-shaped cross section and a planting layer arranged in the planting box, the water storage flower pond is distributed at equal intervals along the side surface of the main beam, the planting layer sequentially comprises a water-absorbing ceramsite layer, a water-permeable geotextile layer, a gravel layer, a planting soil layer and a lawn layer from bottom to top, the side walls of the planting box in the planting soil layer and the above areas are provided with drainage holes with filter screens, and rainwater flowing through the water storage flower pond can enter the prefabricated drainage tank through the drainage holes;

furthermore, the water storage flower pond is provided with water drainage holes and fine filter screens on the periphery of the side wall in a planting soil layer and above areas, a humidity sensor is arranged in a planting layer of the water storage flower pond, a water storage tank of the bridge abutment water storage system is connected with a water pumping pipeline, a water pumping pump is arranged on the water pumping pipeline, the water pumping pump and the humidity sensor are connected through an electric control system to realize information interaction, and when the humidity sensor detects that the planting soil layer in the water storage flower pond is lack of water, the water pumping pump is triggered to convey water in the water storage tank to a stainless steel water tank;

furthermore, the bridge abutment is of a reinforced concrete cavity thin-wall structure, the bridge abutment water collecting pit is arranged at the transverse end of the bridge abutment cap, a water falling pipe I is communicated between the bridge abutment water collecting pit and the prefabricated drainage tank, and a water falling pipe II is buried at the lowest position of the bottom of the bridge abutment water collecting pit and is connected into an underground drainage pipe network system or an accident drainage pool;

further, an air vent and an overflow pipe are arranged at the top of the side wall of the water storage tank of the bridge water storage system, and the overflow pipe is connected to a downpipe II;

further, be provided with the catchment pit that trilateral domatic encloses on the bridge surface layer, be provided with the rainwater grate in the catchment pit, the bridge floor transversely collects the drain pipe and transversely communicates the setting with the rainwater grate, the rainwater grate sets up in pavement curb or roadway anticollision barrier side, the bridge floor transversely collects the drain pipe and hugs closely the decking apical margin setting and passes pavement curb or roadway anticollision barrier and insert the prefabricated water drainage tank in the mode of 90 degrees buckles in prefabricated water drainage tank top, the flower pond that impounds is placed among the rectangle trompil of prefabricated water drainage tank top surface.

The beneficial effects of the utility model are that: the utility model discloses a drainage system is collected to bridge can be used for the automatic watering of the bridge floor afforestation under the long-term rainfall condition that lacks of dry season to the rainwater of collecting and storing collection of clean rainwater, realizes the cyclic utilization of precipitation, and the water economy resource has that drainage efficiency is high, the management and protection work load is few, the outward appearance is effectual, long service life's characteristics.

Drawings

The invention will be further described with reference to the following figures and examples:

FIG. 1 is a three-dimensional perspective view of a representative segment of a prefabricated trench bridge collection drainage system in accordance with an embodiment of the present invention;

FIG. 2 is a three-dimensional perspective view of an end section of a pre-grooved bridge collection drainage system of an embodiment of the present invention;

FIG. 3 is an enlarged view of a portion of FIG. 2 at A;

FIG. 4 is a three-dimensional perspective view of an abutment collection sump, storage tank and associated piping of an embodiment of the present invention;

FIG. 5 is a cross-sectional view of a prefabricated trench bridge collection and drainage system according to an embodiment of the present invention;

FIG. 6 is a plan view of a transverse collecting drainage pipe of the bridge deck of the prefabricated groove bridge collecting drainage system according to the embodiment of the invention;

FIG. 7 is a representative segmented three-dimensional perspective view of a pre-fabricated drainage channel of an embodiment of the present invention;

FIG. 8 is a schematic three-dimensional exploded view of a prefabricated drainage channel and an embedded ecological impounding flower bed according to an embodiment of the present invention;

FIG. 9 is a schematic diagram showing a three-dimensional decomposition structure of an end portion of a prefabricated drain tank and an EPDM rubber strip according to an embodiment of the present invention;

FIG. 10 is a three-dimensional schematic view of a light trough and an LED light bar on the outer surface of a prefabricated drain trough according to an embodiment of the invention;

FIG. 11 is a cross-sectional and related sectional view of a prefabricated drainage channel and an embedded ecological impounding flower bed in accordance with an embodiment of the present invention;

FIG. 12 is a layout view of pre-buried steel plate nets of the prefabricated water drainage tank according to the embodiment of the invention;

FIG. 13 is a three-dimensional perspective view of an embodiment of the present invention showing a rainwater irrigation system for an embedded ecological impounding flower pond;

fig. 14 is a three-dimensional perspective view of an embedded ecological impounding flower bed in accordance with an embodiment of the present invention;

FIG. 15 is a three-dimensional schematic diagram illustrating the overflow and water-flow principle of the transverse collection drain pipe to the stainless steel water tank according to the embodiment of the present invention;

FIG. 16 is a three-dimensional schematic view illustrating the principle of the water supply from the bridge collection sump to the water storage tank according to the embodiment of the present invention;

FIG. 17 is a three-dimensional schematic view of a hydraulically driven electromagnetic delay device according to an embodiment of the present invention;

FIG. 18 is a schematic three-dimensional exploded structural diagram of a planetary gear set and a micro DC generator of the hydraulically driven electromagnetic delay device according to the embodiment of the invention;

FIGS. 19 and 20 are sectional views A-A and B-B of FIG. 6, respectively;

FIG. 21 is a side view of FIG. 11

FIG. 22 is a schematic view of portion A of FIG. 21;

FIG. 23 isbase:Sub>A sectional view taken along line A-A in FIG. 21;

FIG. 24 is a cross-sectional view taken along line B-B of FIG. 21;

FIG. 25 is a cross-sectional view taken along line C-C of FIG. 21;

FIG. 26 is a plan view of a steel mesh;

FIG. 27 is a rear elevation view of a steel mesh;

fig. 28 is a sectional view taken along line B-B of fig. 12.

Wherein the figures include the following reference numerals: 1-prefabricated drainage channel, 2-embedded ecological water storage flower bed, 3-bridge floor transverse collection drainage pipe, 4-rainwater grate, 5-bridge abutment collection water pit, 6-prefabricated drainage channel bracket, 7-water storage tank, 8-water suction pump, 9-water delivery pipe, 12-rectangular flower bed fixing hole, 13-transverse collection drainage pipe inlet hole, 14-overflow port, 15-embedded stainless steel backing plate, 16-water falling pipe, 17-ethylene propylene diene monomer rubber strip, 21-water absorption ceramic grain layer, 22-permeable geotextile, 23-gravel layer, 24-planting soil layer, 25-lawn layer, 26-drainage hole, 27-filter screen, 28-humidity sensor, 31-elbow sleeve, 32-water falling hole, 33-stainless steel water tank, 34-water retaining sealing plate, 35-stainless steel hose, 36-hydraulic drive electromagnetic delay device, 37-impeller, 38-horizontal collection drain pipe drainage cover, 41-catchment pit, 42-stainless steel woven water collection pipe, 51-downpipe II, 52-square pit, 61-stainless steel channel steel, 62-limit barrier strip, 63-bolt hole, 64-stainless steel bolt, 65-stainless steel pre-embedded plate, 66-shear nail, 67-adjustment steel backing plate, 68-anti-loosening gasket, 71-vent hole, 72-storage tank overflow pipe, 73-storage tank water supply pipe, 74-storage tank water supply pipe drainage cover, 75-communication pipe, 81-water pumping pipeline, 91-water delivery connecting pipe, 101-LED lamp groove, 102-LED lamp strip, 103-night scene lighting pipeline bridge, 104-night scene lighting lamp, 361-planetary gear set, 362-micro direct current generator, 363-capacitor, 364-time delay relay, 365-push-pull electromagnet, 366-traction rod, 367-spring.

Detailed Description

The bridge collecting and draining system comprises a transverse collecting drain pipe 3 arranged on a bridge floor along a transverse bridge direction, ecological water storage systems arranged on two sides of a main beam along a longitudinal bridge direction and used for collecting rainwater in the transverse collecting drain pipe 3, and bridge abutment water storage systems arranged in bridge abutment inner cavities and used for collecting rainwater flowing through the ecological water storage systems and supplying water to the ecological water storage systems, hydraulic drive delay devices 36 are arranged between the ecological water storage systems and the transverse collecting drain pipe 3 and between the ecological water storage systems and the bridge abutment water storage systems, rainwater in the transverse collecting drain pipe 3 enters the ecological water storage systems through the hydraulic drive electromagnetic delay devices 36, rainwater in the ecological water storage systems enters the bridge abutment water storage systems through the hydraulic drive delay devices 36, and the rainwater in the bridge abutment water storage systems can be pumped to the ecological water storage systems; clean rainwater of runoff for a certain time is collected through the hydraulic drive delay device 36, and bridge deck hazardous chemicals are prevented from leaking, and bridge deck flushing sewage and initial rainwater are prevented from directly flowing into the water environment under the bridge.

In this embodiment, the ecological water storage system includes a prefabricated drainage channel 1 and a flower storage tank 2 detachably disposed on the inner wall of the prefabricated drainage channel 1, a stainless steel water tank 33 for supplying water to the ecological flower storage tank 2 is disposed above the flower storage tank 2, a drain 32 for rainwater to enter the stainless steel water tank 33 is disposed on the stainless steel water tank 33, a drain cover 38 is disposed on the drain 32, the hydraulically-driven electromagnetic delay device controls the opening and closing of the drain cover 38, and the hydraulically-driven electromagnetic delay device 36 guides rainwater after a period of radial flow in the transverse collection drainage pipe 3 into the stainless steel water tank 33, and other rainwater flows into the prefabricated drainage channel 1; realize the automatic watering to retaining flower pond. The bridge floor transversely collects drain pipe 3 and hugs closely the decking top edge setting, passes pavement curb or roadway anticollision barrier, carries out 90 degrees buckles directly over 1 top surface of prefabricated water drainage tank and inserts among the prefabricated water drainage tank 1, and the retaining flower pond is placed among the rectangle trompil of 1 top surface of prefabricated water drainage tank, within 7 settings of cistern and the abutment, raceway 9 is pre-buried inside pavement limit sleeper or roadway anticollision barrier. The prefabricated water drainage grooves 1 are arranged on the lateral outermost side of a girder of the upper structure of the bridge and are flush with the top surface of the girder end, and a plurality of sections of the prefabricated water drainage grooves 1 are fully distributed between two expansion joints of the girder end. The prefabricated drainage channel 1 can be made of ultra-high performance concrete or a high-density cement-based fine aggregate concrete composite material prepared by a low water-to-gel ratio. In order to ensure the anti-cracking performance of the fine aggregate concrete water tank, an anti-cracking steel plate net is arranged in the middle of the thin wall of the water drainage tank, the anti-cracking steel plate net is correspondingly bent at the turning position, through-length steel bars are arranged at the four corners of the cavity, the steel bars are welded with the anti-cracking steel plate net, and the steel plate nets are welded. When the ultra-high performance concrete is adopted, the anti-cracking steel plate net can be omitted. The prefabricated and formed thin-wall groove type structure is standardized in a factory according to the fixed length by adopting a sizing template, a plurality of rectangular flower groove fixing holes 12 and a plurality of transverse collecting and draining pipe access rectangular holes 13 are formed in the top surface, and a plurality of overflow ports 14 are formed in the inner side wall facing the main beam. The opening size, the distance and the distance between the overflow ports 14 and the bottom of the prefabricated drainage channel 1 are determined by calculation according to the runoff of P during the designed rainstorm reappearing period of the longitudinal slope of the bridge and the longitudinal bridge position of the prefabricated drainage channel 1 and the catchment section of the prefabricated drainage channel 1. Grooves are arranged in the centers of the side plates and the bottom plate at the end parts of the prefabricated water drainage grooves 1, gaps are arranged among the prefabricated water drainage grooves 1, and the EPDM rubber strips 17 and polysulfide sealant are adopted for caulking. The specific outer contour model of the bridge deck runoff catchment cross section can be determined by combining the size of the deck runoff catchment cross section and the pneumatic appearance of the main beam, and the air nozzle structures arranged at two ends of the cross section of the main beam are replaced by the large-span flat box girder. The outer side surface of the prefabricated drainage groove 1 is provided with patterns through a prefabricated template, the patterns are formed on the outer side surface of the prefabricated drainage groove after the template is detached, the patterns are arranged on the outer surface of the prefabricated drainage groove 1, the landscape effect of the prefabricated drainage groove can be effectively improved, the vertical or horizontal LED lamp groove 101 can be arranged on the outer surface of the prefabricated drainage groove 1, the LED lamp strip 102 is arranged in the groove, the night landscape effect of the prefabricated drainage groove is effectively improved, and the photovoltaic power generation plate can be arranged on the outer side surface of the prefabricated drainage groove 1 and used as a power supply for bridge function or night scene illumination. The embedded ecological water storage flower bed 2 is made of glass fiber reinforced plastic or stainless steel sheets and aluminum alloy sheets, the top plane size of the embedded ecological water storage flower bed is larger than the rectangular opening of the top surface of the prefabricated drainage groove 1, the embedded section part is slightly smaller than the rectangular opening of the top surface of the prefabricated drainage groove 1, the vertical surface of the embedded ecological water storage flower bed is in an inverted convex shape, and the height size of the embedded ecological water storage flower bed is smaller than the distance between the top surface of the prefabricated drainage groove and the overflow port 14 on the inner side surface of the prefabricated drainage groove 1. A gap between the inner side of the prefabricated drainage channel 1 and a girder end small-side longitudinal beam is provided with a prefabricated drainage channel bracket 6, the prefabricated drainage channel bracket 6 is arranged between a rectangular overflow port 14 of the prefabricated drainage channel 1, the prefabricated drainage channel bracket 6 is welded into an inverted T shape by adopting a stainless steel channel steel 61, and the inner side of the bracket can be laid with a bridge night view lighting pipeline bridge frame 103 and also serves as a night view lighting lamp 104 mounting support. The welding has spacing blend stop 62 on the prefabricated drain tank bracket 6 stainless steel channel-section steel to set up bolt hole 63, through stainless steel bolt 64 and prefabricated drain tank 1 inside wall fixed connection. The position of the girder end small-edge longitudinal beam corresponding to the prefabricated drainage channel bracket 6 is provided with a stainless steel embedded plate 6, the inner side of the stainless steel embedded plate 65 is welded with a shear nail 66, and the stainless steel channel steel 61 and the stainless steel embedded plate 65 are connected in a welding manner. And the prefabricated drainage channel bracket 6 is fixedly connected with the inner side wall of the prefabricated drainage channel 1. Prefabricated water drainage tank bracket 6 bottom and side set up adjustment steel backing plate 67, correspond pre-buried stainless steel backing plate 15 in position at prefabricated water drainage tank 1 inside wall bolted connection to set up vertical slotted hole on prefabricated water drainage tank 1 inside wall and pre-buried stainless steel backing plate 15, in order to guarantee water drainage tank's installation line type. Prefabricated water drainage tank bracket 6 and 1 inside wall fixed connection mode of prefabricated water drainage tank: the inner sides of the nut and the nut of the stainless steel bolt 64 are provided with anti-loosening gaskets 68 so as to ensure that the prefabricated drainage channel bracket 6 is firmly connected with the prefabricated drainage channel 1 and effectively prevent the possibility of falling off caused by vibration caused by vehicle passing during the service period of the bridge. Transversely collect drain pipe 3 and be equipped with elbow sleeve pipe 31 at the tail end, transversely collect drain pipe 3 tail end and be equipped with down water hole 32, water hole 32 is down for embedded ecological retaining flower pond 2 provides the stainless steel basin 33 at irrigation water source under, stainless steel basin 33 is fixed on prefabricated drain tank bracket 6 top, set up between per two horizontal collection drain pipes 3, and establish manger plate shrouding 34 at the tip, be connected with embedded ecological retaining flower pond 2 top lateral wall through stainless steel hose 35, can introduce the flowing water in stainless steel basin 33 among embedded ecological retaining flower pond 2. In order to prevent the bridge floor from being accumulated with water to adversely affect the traveling safety when it is subjected to rainfall exceeding the design recurrence period, a part of the rainwater may be directly drained to the underbridge through the weirs 14 provided inside the pre-drainage tank 1.

The prefabricated drainage channel 1 adopts a sizing template to be prefabricated in a factory in a standardized manner, is convenient and quick to install on site, and greatly shortens the construction period of the auxiliary engineering of the bridge. The prefabricated water drainage tank 1 is adjusted and adapted by combining a mode that an adjusting base plate is arranged at the bottom of a support and a long round hole is adopted for a fixed connecting bolt, so that the installation line type of the water drainage tank can be ensured, and the problem of poor line type and appearance construction quality of a girder end can be effectively solved. The prefabricated drainage channel 1 is made of ultra-high performance concrete or a high-density cement-based composite engineering material prepared from a low water-to-gel ratio, has the outstanding advantages of high strength, high elastic modulus, high durability, high toughness, high compactness, low creep and the like, can remarkably reduce the wall thickness of a component and reduce the self weight of a structure, and can greatly prolong the design service life of a drainage system compared with the defect that a circular pipe made of PVC (polyvinyl chloride) is poor in ageing resistance because a longitudinal drainage pipe is mainly made of a circular pipe. By adopting the prefabricated drainage groove 1 provided with the overflow holes, part of rainwater exceeding the runoff in the design reappearance period overflows from the overflow port 14 arranged on the inner side of the prefabricated drainage groove and is directly drained to the lower part of the bridge, and the driving safety of the bridge deck is not influenced. The size of the drain pipe groove 1 can be reduced, the material and installation cost can be reduced, and the bearing load of the bridge can be reduced; the prefabricated drainage channel 1 is fixed on the section steel bracket by adopting the stainless steel bolt 64 with the anti-loosening gasket 68, so that the installation is simple, rapid and convenient, the section steel bracket is firmly connected with the main beam, and the falling of the bridge caused by vibration caused by vehicle passing in service can be effectively prevented; the prefabricated water drainage tank 1 is provided with a rectangular open pore structure at the top, and the pipe maintenance is convenient. When the drainage system is inspected and maintained, the embedded ecological water storage flower ponds are lifted up and moved out one by one integrally, and the interior of the drainage tank can be cleaned and dredged. If the prefabricated drainage channel 1 is damaged, due to the adoption of the segment prefabricated structure, the rapid integral replacement can be carried out after the caulking of the ethylene propylene diene monomer rubber strip 17 between the segments is removed; compare with the many longitudinal drain of conventional bridge pipe and the pipe support that expose outside the girder structure, prefabricated water drainage tank 1 is handsome in appearance, has replaced only to play the prefabricated link plate of outward appearance decorative effect in the girder outside, combines practical function and aesthetic effect organically. The landscape effect can be effectively improved by arranging the patterns on the outer surface of the prefabricated drainage groove 1, and the landscape effect at night can be effectively improved by arranging the vertical or horizontal grooves on the outer surface of the prefabricated drainage groove 1 and installing the LED lamp bars in the grooves; the overflow ports 14 of the drainage channel 1 are arranged between the drainage channel 1 and the end parts of the two sides of the main beam, so that the adverse effect of dirt formed by overflow on the appearance of the bridge in a rainstorm condition is avoided. The prefabricated drainage grooves 1 at the ends of the main beams and the bridge abutment falling water collecting device are not required to be connected between the transverse drainage pipes and the prefabricated drainage grooves 1, and the sections of the prefabricated drainage grooves 1 are flexibly connected, so that the adaptability of the bridge floor drainage system to the upper and lower structures of the bridge due to vehicle vibration, temperature deformation and the like is enhanced.

In this embodiment, the abutment water storage system includes an abutment water collecting pit 5 and a plurality of water storage tanks 7 that are arranged in a communicating manner, a water tank water supply pipe 73 connected to the water storage tanks 5 is arranged on the bottom surface of the abutment water collecting pit 5, the water tank water supply pipe 73 is provided with a drainage cover 74, and the hydraulic drive electromagnetic delay device 36 drives the drainage cover 74 of the water tank water supply pipe 73 to open and close.

In this embodiment, the hydraulically driven electromagnetic delay device 36 includes an impeller 37, a planetary gear set 361 and a micro dc generator 362 coaxially connected with the impeller 37, the micro dc generator 362 is connected with a capacitor 363, a delay relay 364 and a push-pull electromagnet 365 to form a loop, the push-pull electromagnet 365 is connected with a pull rod 366, a spring 367 is sleeved on the pull rod 366, the end of the pull rod 366 is fixedly connected with a drain cover 74 of the stainless steel water tank drain cover 38/the water tank water supply pipe 73, water impacts the impeller 37 to rotate and drives the planetary gear set 361 to rotate, so as to drive the micro dc generator 362 to start generating electricity, and a coil in the push-pull electromagnet 365 is energized in a delayed manner through the delay relay 364, so as to drive the pull rod 366 to linearly move, so as to drive the drain cover 74 of the stainless steel water tank drain cover 38/the water tank water supply pipe to open; the bridge floor transversely collects the operating principle that the drain pipe 3 supplies water to the stainless steel basin 33: a hydraulic drive electromagnetic delay device 36 with good waterproof sealing performance is arranged above the water drainage hole 32 at the tail end of the transverse collecting drainage pipe 3, and the hydraulic drive electromagnetic delay device 36 is driven by an impeller 37 to start working. When water flows to the end of the transverse collecting drain pipe 3, the impact impeller 37 rotates to drive the planetary gear set 361 in the hydraulic drive electromagnetic delay device 36 to rotate and accelerate the rotation shaft, so as to drive the micro direct current generator 362 to start generating electricity, and the micro direct current generator 362 is connected with the capacitor 363, the delay relay 364 and the push-pull electromagnet 365 to form a loop. The time delay relay 364 is set to energize the coil in the push-pull electromagnet 365 15 minutes after the micro dc generator 362 starts generating electricity, and the drag rod 366 moves linearly by using the leakage flux principle of the spiral pipe, so as to drive the opening of the lower cover 38 of the transverse collecting drain pipe. Rivers flow into stainless steel basin 33 through lower water hole 32, and rethread stainless steel hose 35 introduces among embedded ecological retaining flower pond 2 to collect the clean rainwater after initial stage rainwater runoff 15 minutes, realize irrigating the flower pond automatically, avoid will carrying the bridge floor initial stage rainwater of more pollutants to pour into embedded ecological retaining flower pond 2. When no water flows into the transverse collecting drain pipe 3, the miniature direct current generator 362 in the electromagnetic delay device 36 is driven by water power to stop generating electricity, the draw bar 366 is reset through the spring 367 after power failure, and the transverse collecting drain pipe drainage cover 38 is closed.

The working principle of collecting rainwater with less pollutants into the water storage tank 7 for storage is as follows: the top of the downpipe 51 is provided with a rectangular pit 52, the bottom of the rectangular pit 52 is provided with a hole communicated with the side wall of the downpipe 51, the side wall of the rectangular pit 52 is provided with a hydraulic drive electromagnetic delay device 36 with good waterproof and sealing performance, and the hydraulic drive electromagnetic delay device 36 is driven by an impeller 37 to start working. When water flow impacts the impeller 37 to rotate and drive the planetary gear set 361 arranged in the hydraulic drive electromagnetic delay device 36 to rotate, the rotating shaft is accelerated to rotate, so that the micro direct current generator 362 is driven to start generating electricity, and the micro direct current generator 362 is connected with the capacitor 363, the delay relay 364 and the push-pull type electromagnet 365 to form a loop. The delay relay 364 is set to energize the coil in the push-pull electromagnet 365 25 minutes after the micro dc generator 362 starts generating electricity, and the drag rod 366 moves linearly by using the leakage flux principle of the spiral pipe, thereby driving the water supply pipe lower cover 74 of the water storage tank to open. The water flows into the storage tank 7 through the storage tank water supply pipe 73, thereby collecting clean rainwater 25 minutes after initial rainwater runoff. When no water flow impacts the impeller 37, the impeller 37 stops rotating, the miniature direct current generator 362 in the electromagnetic delay device 36 is driven by water power to stop generating electricity, the draw bar 366 is reset through the spring 367 after power failure, and the water supply pipe drainage cover 74 of the water storage tank is closed.

In the embodiment, the water storage flower pond 2 comprises a planting box with a U-shaped cross section and a planting layer arranged in the planting box, the water storage flower pond 2 is distributed at equal intervals along the side surface of a main beam, the planting layer sequentially comprises a water absorption ceramsite layer 21, a water permeable geotextile layer 22, a gravel layer 23, a planting soil layer 24 and a lawn layer 25 from bottom to top, the side walls of the planting box in the planting soil layer 24 and above are provided with drainage holes with filter screens, and rainwater flowing through the water storage flower pond can enter the prefabricated drainage tank 1 through the drainage holes; the redundant rainwater is directly drained into the prefabricated drainage channel 1 and the planting soil layer 24 is not drained away by water. The embedded ecological water storage flower bed 2 provides a good growing environment for the growth of flowers and plants while adding colors to the bridge landscape. Embedded ecological retaining flower pond 2 avoids pouring into flower pond 2 with carrying the more bridge floor initial stage rainwater of pollutant through setting up mechanical type response time delay valving, but will collect the clean rainwater behind 15 minutes of initial stage rainwater, carries out the retaining irrigation to flower pond 2 automatically. The water absorption pottery gravel layer 21 of the embedded ecological water storage flower pond 2 is provided with a nutrient soil layer, a planting soil layer 24 and an uppermost covering lawn layer 25, so that the evaporation of a water source can be effectively reduced; when the rainfall is large, the drainage holes are formed in the planting soil layer on the side wall of the flower pond and above the planting soil layer, and the fine filter screen is arranged, so that redundant rainwater is directly drained into the prefabricated drainage groove 1, and the phenomenon that the roots of flowers and plants are soaked due to too high water level in the flower pond and withered due to the fact that the roots of the flowers and plants are soaked can be effectively avoided.

In the embodiment, the water storage flower pond 2 is provided with drainage holes 26 and a fine filter screen 27 around the side wall in the planting soil layer 24 and above the planting soil layer 24, a humidity sensor 28 is arranged in the planting layer 24 of the water storage flower pond 2, the water storage tank 7 of the bridge water storage system is connected with a water pumping pipeline 81, a water pumping pump 8 is arranged on the water pumping pipeline 81, the water pumping pump 8 and the humidity sensor 28 are connected through an electric control system to realize information interaction, and when the humidity sensor 28 detects that the planting soil layer 24 in the water storage flower pond 2 lacks moisture, the water pumping pump 8 is triggered to convey water in the water storage tank 7 to the stainless steel water trough 33; the humidity sensor 28 is buried in the planting soil layer 24 of the embedded ecological water storage flower bed 2 closest to the end of the main beam, and realizes the greening automatic irrigation function together with the water storage tank 7, the water pump 8 and the water delivery pipe 9 under the condition of long-term lack of rainfall in dry seasons. When the humidity sensor 28 senses that the soil in the soil planting layer 24 reaches the preset saturation, the water suction pump 8 stops working.

In the embodiment, the bridge abutment is of a reinforced concrete cavity thin-wall structure, the bridge abutment collecting pit 5 is arranged at the transverse end part of a bridge abutment cap, a downpipe I16 is communicated between the bridge abutment collecting pit 5 and the prefabricated drainage tank 1, and a downpipe II 51 is buried at the lowest part of the bottom of the bridge abutment collecting pit 5 and is connected into an underground drainage pipe network system or an accident drainage pool; the abutment is a reinforced concrete cavity thin-wall structure, the cavity inside the abutment is used as a water storage tank 7, the abutment collecting pit 5 is arranged at the transverse end part of an abutment cap and is positioned right below a stainless steel downpipe 16 of a bottom plate of the prefabricated drainage tank 1 at the end part of the bridge, and the abutment collecting pit 5 is a cuboid pit. The side surfaces and the bottom surfaces of the bridge abutment water collecting pit 5 and the water storage tank 7 adopt epoxy mortar layers as waterproof layers. The lowest part of the bottom of the bridge platform collecting pit 5 is embedded with a downpipe 51 and is connected into an underground drainage pipe network system or an accident drainage pool. The top of the side wall of the bridge abutment water storage tank 7 is provided with an air vent 71 and a water storage tank overflow pipe 72, the water storage tank overflow pipe 72 is connected with the downpipe 51, and a communicating pipe 75 is arranged between the bottoms of the side walls of the water storage tanks 7 of the bridge abutment. The suction pump 8 is arranged on the inner side of the abutment collecting pit 5, and the water pump suction pipe 81 extends into the bottom of the water storage tank 7 which is most close to the side.

In this embodiment, the top of the sidewall of the water storage tank 7 of the bridge water storage system is provided with an air vent 71 and an overflow pipe 72, and the overflow pipe is connected to the downpipe 51.

In this embodiment, be provided with the catchment pit 41 that trilateral domatic encloses on the bridge floor layer, be provided with rainwater grate 4 in the catchment pit 41, the bridge floor transversely collects drain pipe 3 and the setting of rainwater grate 4 horizontal intercommunication, rainwater grate 4 sets up in pavement curb or roadway anticollision barrier side, the bridge floor transversely collects drain pipe 3 and hugs closely the decking apical margin setting and passes pavement curb or roadway anticollision barrier and insert in prefabricated water drainage tank 1 with the mode of 90 degrees buckles in the prefabricated water drainage tank top, retaining flower bed 2 is placed in the rectangle trompil of prefabricated water drainage tank 1 top surface. The rainwater grates 4 are made of nodular cast iron, the bridge deck transverse collecting drain pipes 3 are made of stainless steel rectangular steel pipes, a stainless steel woven water collecting pipe 42 is embedded at the bottom of a pavement bridge deck pavement wearing layer connected with a sidewalk curb or a roadway anti-collision guardrail between every two rainwater grates 4, and two ends of the stainless steel woven water collecting pipe 42 are connected into water collecting pits over the rainwater grates 4. The bridge floor collection and drainage system adopting lateral drainage thoroughly avoids the damage caused by rolling the rainwater grate by the wheels by arranging the rainwater grate on the side face of the anti-collision guardrail or the sidewalk curb. For the flat box girder with short cantilever arm length or fish belly, the bridge deck rainwater and sewage can be collected and drained to the ground drainage system without arranging a drain pipe penetrating through the box chamber of the main girder, so that the adverse effect of water seepage and leakage of the bridge deck collection drainage system on the durability of the main girder structure is avoided. The bridge floor transversely collects the drain pipe and passes bridge floor anticollision barrier or pavement curb edge and arrange into external prefabricated water drainage tank 1 in the girder outside, has solved the exposed problem of drain pipe ingeniously, has avoided its quality general fault because expose the ageing damage that causes outside. The problem of durability of a bridge floor drainage system is effectively solved by adopting nodular cast iron for the rainwater grate 4 and adopting stainless steel for the transverse drainage pipe. The huge bridge abutment is ingeniously utilized, the water storage tank is arranged in the bridge abutment, clean rainwater 25 minutes later after initial rainwater is collected, the rainwater collection capacity is large, additional space does not need to be occupied, and land is saved. The stored and collected clean rainwater is used for bridge deck greening irrigation under the condition that rainfall is lacked in dry seasons for a long time, so that the cyclic utilization of rainfall is realized, and water resources are saved. The humidity sensor is buried in the planting soil layer of the embedded ecological water storage flower bed closest to the end part of the main beam, so that the humidity of the planting soil is sensed automatically, automatic irrigation is realized by using the water suction pump and the water delivery pipe, and the irrigation operation of bridge deck greening by manpower under the condition of long-term lack of rainfall in dry seasons is avoided.

Finally, although the present invention has been described in detail with reference to the preferred embodiments, it should be understood by those skilled in the art that the present invention can be modified or replaced by other means without departing from the spirit and scope of the present invention, which should be construed as limited only by the appended claims.

Claims (9)

1. The utility model provides a drainage system is collected to bridge which characterized in that: include along the horizontal bridge to setting up in the horizontal collection drain pipe of bridge floor and along the vertical bridge to setting up in the bridge both sides be arranged in collecting the ecological retaining system of rainwater in the horizontal collection drain pipe to and set up the abutment water storage system that is arranged in the abutment inner chamber and is used for collecting the rainwater that flows through ecological retaining system and supplies water to ecological retaining system, all be provided with hydraulic drive delay unit between ecological retaining system and the horizontal collection drain pipe, between ecological retaining system and the abutment water storage system, rainwater in the horizontal collection drain pipe gets into ecological retaining system through hydraulic drive electromagnetism delay unit, rainwater in the ecological retaining system gets into abutment water storage system through hydraulic drive delay unit, rainwater among the abutment water storage system can pump to ecological retaining system.

2. The bridge collection drainage system of claim 1, wherein: ecological retaining system includes prefabricated water drainage tank and sets up the retaining flower pond on prefabricated water drainage tank inner wall with the detachable to set up the stainless steel basin that supplies water to ecological retaining flower pond in ecological retaining flower pond top, be provided with the lower mouth of a river that makes the rainwater get into in the stainless steel basin on the stainless steel basin, be provided with down the water cover on the lower mouth of a river, opening and closing of water cover under the control of hydraulic drive electromagnetism time delay unit the leading-in stainless steel basin of rainwater after the footpath flow period in the drain pipe will transversely be collected to hydraulic drive electromagnetism time delay unit, all the other rainwater flow in prefabricated water drainage tank.

3. The bridge collection drainage system of claim 2, wherein: the bridge abutment water storage system comprises a bridge abutment water collection pit and a plurality of water storage tanks which are communicated with each other, wherein a water tank water supply pipe connected with the water storage tanks is arranged on the bottom surface of the bridge abutment water collection pit, a water discharge cover is arranged on the water tank water supply pipe, and the water discharge cover of the water tank water supply pipe is driven to open and close by the hydraulic drive electromagnetic delay device.

4. The bridge collection drainage system of claim 3, wherein: the hydraulic drive electromagnetic time delay device comprises an impeller, a planetary gear set and a miniature direct current generator, wherein the planetary gear set and the miniature direct current generator are coaxially connected with the impeller, the miniature direct current generator is connected with a capacitor, a time delay relay and a push-pull electromagnet to form a loop, the push-pull electromagnet is connected with a draw bar, a spring is sleeved on the draw bar, the tail end of the draw bar is fixedly connected with a drain cover of a stainless steel water tank drain cover/water tank water supply pipe, water impacts the impeller to rotate and drives the planetary gear set to rotate, so that the miniature direct current generator is driven to generate electricity, and a coil in the push-pull electromagnet is electrified in a time delay mode through the time delay relay to enable the draw bar to move linearly, so that the drain cover of the stainless steel water tank drain cover/water tank water supply pipe is driven to be opened.

5. The bridge collection drainage system of claim 4, wherein: the retaining flower pond includes that the cross-section is the planting box of U-shaped and sets up the planting layer in planting the box, the retaining flower pond is along the equidistant distribution of girder side, supreme including water absorption ceramsite layer, the geotechnological cloth layer that permeates water, gravel layer, planting soil layer and lawn layer in proper order are followed to the planting layer down, all sets up the drainage hole that has the filter screen at planting soil layer and above planting box lateral wall in region, and the rainwater in the retaining flower pond of flowing through can get into prefabricated water drainage tank through the drainage hole.

6. The bridge collection drainage system of claim 5, wherein: the retaining flower pond is planting the soil layer and above the region all sets up the drainage hole all around at the lateral wall and be equipped with fine and close filter screen, be provided with humidity transducer in the planting layer in retaining flower pond, abutment water storage system's storage water tank connection has the pumping pipeline, be provided with the suction pump on the pumping pipeline, realize the information interaction through electrical system connection between suction pump and the humidity transducer, when humidity transducer detects planting soil layer moisture in the retaining flower pond and lacks, trigger the suction pump and carry the water in the storage water tank to the stainless steel basin in.

7. The bridge collection drainage system of claim 6, wherein: the bridge abutment is of a reinforced concrete cavity thin-wall structure, the bridge abutment collecting pit is arranged at the transverse end of the bridge abutment cap, a downpipe I is communicated between the bridge abutment collecting pit and the prefabricated drainage tank, and a downpipe II is buried at the lowest position of the bottom of the bridge abutment collecting pit and is connected into an underground drainage pipe network system or an accident drainage pool.

8. The bridge collection drainage system of claim 7, wherein: and the top of the side wall of the water storage tank of the bridge water storage system is provided with an air vent and an overflow pipe, and the overflow pipe is connected to the downpipe II.

9. The bridge collection drainage system of claim 8, wherein: be provided with the catchment pit that trilateral domatic encloses on the bridge surface layer, be provided with the rainwater grate in the catchment pit, the bridge floor transversely collects the drain pipe and transversely communicates the setting with the rainwater grate, the rainwater grate sets up in pavement curb or roadway anticollision barrier side, the bridge floor transversely collects the drain pipe and hugs closely the decking apical margin setting and passes pavement curb or roadway anticollision barrier and insert the prefabricated water drainage tank in the mode of 90 degrees buckles in prefabricated water drainage tank top, the flower pond of retaining is placed among the rectangle trompil of prefabricated water drainage tank top surface.

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