CN214219367U

CN214219367U - Drainage device for bridge deck of viaduct

Info

Publication number: CN214219367U
Application number: CN202023309443.9U
Authority: CN
Inventors: 杜腾达
Original assignee: Anhui Jianzhu University
Current assignee: Anhui Jianzhu University
Priority date: 2020-12-31
Filing date: 2020-12-31
Publication date: 2021-09-17
Anticipated expiration: 2030-12-31

Abstract

The utility model discloses an overpass bridge floor drainage device, including bridge main body, water filtering tank and water tank groove have been seted up to bridge main body's top side to be provided with drainage subassembly and water storage component respectively, bridge main body's bottom side has been seted up the mounting groove and has been provided with actuating mechanism, actuating mechanism includes runner assembly and lifting unit, the pipe chase has been seted up and has been provided with drainage desilting mechanism to vertical one side of bridge main body, drainage desilting mechanism includes drainage transport assembly and desilting blowdown subassembly, water filtering component includes water filtering cover, water filtering cylinder, pivot and brush, the top side at water filtering tank is established to the water filtering cover card, water filtering cylinder fixed connection is in the bottom side of water filtering cover, the bottom side of water filtering cylinder is installed the sealing washer and is blocked and is equipped with the bottom plate. The utility model discloses not only guaranteed the drainage effect of overpass roof beam, and the rainwater drainage after twice sieve is effectual, saves the electric power resource, and the desilting is efficient, and application scope is wide, and the practicality is strong.

Description

Drainage device for bridge deck of viaduct

Technical Field

The utility model relates to a bridge drainage equipment technical field especially relates to an overpass bridge floor drainage device.

Background

Long-time ponding of bridge floor of bridge not only can form the aggressive damage to the bridge floor, still can make the vehicle of passing roll ponding and form the potential safety hazard, and the flowing water of bridge often is the sewage of wrapping up in impurity such as silt and rubbish, often appears the drain pipe jam when the drainage, and the not smooth condition of drainage causes the unable in time discharge of sewage on the bridge floor, influences the current of bridge floor surrounding environment and vehicle.

Through the retrieval, the patent of application number CN201821761840.X discloses a bridge is with preventing stifled drainage device, including the bridge, set up the water drainage tank of two T shapes on the bridge, the notch punishment of two water drainage tanks articulates respectively has grid otter board and the guard plate of metal material, the interior bottom of two water drainage tanks sliding connection has appearance assorted setting vat and header tank respectively, setting vat and header tank are located grid otter board and guard plate respectively under, corresponding first drain opening and second drain opening have been seted up respectively on setting vat and the header tank, first drain opening is located the below of second drain opening, set up the logical groove that communicates first drain opening and second drain opening on the bridge, the delivery port has been seted up to the bottom of header tank, fixedly connected with the drain pipe that is linked together with the delivery port on the bridge, the drain pipe is located the below of header tank, the interior bottom of header tank articulates there is the closing plate corresponding with the delivery port.

The device needs to sink under the action of the self gravity of silt, when the rainfall is large, water flow is turbulent, and sieve holes of the filter screen can be blocked by the silt, so that rainwater is deposited in the sedimentation barrel, and the drainage effect is poor; and thereby need take out the sediment bucket through the manual work and clear up silt, when the bridge is longer, the construction quantity of device increases thereupon, and manual operation is consuming time hard, and it is inconvenient to use, can not satisfy the user demand of people in the production life.

SUMMERY OF THE UTILITY MODEL

The utility model aims at solving the defects of poor drainage effect, inconvenient use and the like in the prior art and providing the drainage device for the bridge floor of the viaduct.

In order to achieve the above purpose, the utility model adopts the following technical scheme:

a drainage device for a bridge floor of a viaduct comprises a bridge main body, wherein a water filtering groove and a water tank groove are formed in the top side of the bridge main body, a water filtering component and a water storage component are respectively arranged on the top side of the bridge main body, a mounting groove and a driving mechanism are formed in the bottom side of the bridge main body, the driving mechanism comprises a rotating component and a lifting component, a pipeline groove is formed in the vertical side of the bridge main body, a drainage dredging mechanism is arranged on the vertical side of the bridge main body, the drainage dredging mechanism comprises a drainage conveying component and a dredging and sewage discharging component, the water filtering component comprises a water filtering cover, a water filtering cylinder, a rotating shaft and a hairbrush, the water filtering cover is clamped on the top side of the water filtering groove, the water filtering cylinder is fixedly connected to the bottom side of the water filtering cover, a sealing ring is mounted on the bottom side of the water filtering cylinder, the rotating shaft is rotatably connected into a plate body of the bottom plate, and a connecting rod is fixedly connected to the outer side of the shaft body of the rotating shaft, the hairbrush is vertically and fixedly connected to the other end of the connecting rod, the rotating assembly comprises a support cylinder, a first bevel gear, a second bevel gear and a round pipe, the support cylinder is fixedly connected to the bottom wall of the mounting groove, a bearing is mounted on the inner side of the support cylinder, the bearing is rotatably sleeved on the outer side of the shaft body of the rotating shaft, the first bevel gear is fixedly connected to the bottom end of the rotating shaft, a plurality of mounting grooves and water tank grooves are respectively formed in the mounting groove and the water tank grooves, a first motor is fixedly mounted on one vertical side of one of the mounting grooves, the round pipe is embedded in the bridge main body, a driving shaft is rotatably arranged on the inner side of the round pipe, one end of the driving shaft is in transmission connection with an output shaft of the first motor, the second bevel gear is fixedly sleeved on the outer side of the shaft body of the driving shaft, the second bevel gear is in meshing connection with the first bevel gear, the lifting assembly comprises a supporting rod, a transverse plate and a cylinder, the supporting rod is slidably arranged between the water filtering tank and the mounting groove, the top sides of the supporting rods are fixedly connected with the bottom plate, the water filtering component is provided with a plurality of transverse plates which are fixedly connected with the bottom sides of the supporting rods in the water filtering component, the supporting rods and the transverse plates are arranged in two groups in parallel, a connecting plate is fixedly connected between the two transverse plates, the air cylinders are alternately arranged on the vertical sides of the mounting grooves at intervals, the bottom sides of the two transverse plates are in transmission connection with output rods of the air cylinders, the water storage component comprises annular water pipes, spray heads, connecting pipes and a water tank, the annular water pipes are fixedly sleeved outside the cylinder body of the water filtering cylinder, the spray heads are mounted in the cylinder wall of the water filtering cylinder, a first water outlet pipe and a first water inlet pipe are mounted between the water filtering tank and the water tank, a first water pump and a second water pump are respectively mounted at one ends of the first water outlet pipe and one end of the water inlet pipe, the spray heads are both communicated with the annular water pipes, and the water tank is arranged in the water tank, and the top side inner wall of water tank installs water level detector, water pump one and water pump two all are linked together with the water tank, drainage conveying component includes outlet pipe two, water valve one and drain pipe, desilting blowdown component includes outlet pipe three, water valve two, blow off pipe, screw axis and motor two, the equal fixed mounting of drain pipe, blow off pipe and motor two is in the pipe chute, outlet pipe two intercommunication sets up between water strainer tank and drain pipe, outlet pipe three intercommunication sets up between water strainer tank and blow off pipe, water valve one and water valve two are installed respectively in outlet pipe two and outlet pipe three's body, the one end of blow off pipe is seal structure, the screw axis rotates and sets up the inboard at the blow off pipe, and the one end of screw axis passes in the seal end body of blow off pipe to be connected with motor two's output shaft transmission.

Preferably, the connecting pipe is embedded in the bridge main body, two ends of the connecting pipe are respectively communicated with the annular water pipes in the adjacent two water filtering assemblies, and one end of one of the annular water pipes is communicated with a water inlet valve.

Preferably, the notch of mounting groove rotates to articulate has the access door board, fixed mounting has the kayser between the diapire of access door board and bridge main part, the notch of water tank groove and pipe chase is blocked respectively and is equipped with the apron.

Preferably, the cover body of the water filtering cover is provided with a plurality of strip-shaped water filtering holes, and the cylinder body of the water filtering cylinder is provided with a plurality of sieve pores.

Preferably, the spray head and the hairbrush are distributed and provided with a plurality of hairbrushes, and the hairbrushes are in contact with the inner side of the water filtering cylinder body.

Preferably, the water inlet pipe is arranged in parallel with the first water outlet pipe, and the water inlet pipe is positioned vertically above the first water outlet pipe.

Preferably, the first water valve and the second water valve are both electric valves.

Compared with the prior art, the beneficial effects of the utility model are that:

1. the utility model carries out twice screening and filtering on the rainwater through the water filtering component, so that the rainwater after silt screening falls into the water filtering tank, then water storage is carried out through the water storage component, the excess water is discharged through the drainage conveying component, the pipeline silt blockage is avoided, and the drainage effect is good;

2. the utility model cleans the sieve pores of the water filtering cylinder by the brush through the rotating component, cleans the silt blocking the sieve pores, leads the sieve pores to be unblocked, and can achieve the effect of cleaning the sieve pores by discontinuously starting the motor, thereby saving electric power resources and having good use effect;

3. the utility model has the advantages that the rainwater stored in the silt mixed water tank which is screened and filtered is discharged from the sewage discharge pipe through the cooperative operation of the lifting component, the water storage component and the dredging sewage discharge component, the dredging efficiency is high, the sedimentation and blockage in the pipe can not be caused, and the operation is simple;

4. the utility model discloses a water intaking valve makes the device meet the daily clearance of dust when the weather that the precipitation is low, application scope is wide to be convenient for maintain, it is convenient to overhaul, and the practicality is strong.

The utility model discloses a mutual cooperation between each part has not only guaranteed the bridge floor drainage effect of overpass roof beam, and the rainwater drainage after twice sieve is effectual, saves the electric power resource, and the desilting is efficient, and application scope is wide, and the practicality is strong.

Drawings

Fig. 1 is a schematic side view and sectional structural view of a drainage device for a bridge floor of a viaduct;

fig. 2 is a schematic view of a sectional structure of a motor in a drainage device for a bridge floor of a viaduct provided by the present invention;

fig. 3 is a detailed enlarged structural schematic diagram of a part a of the drainage device for a bridge floor of a viaduct beam provided by the present invention;

fig. 4 is a detailed enlarged structural schematic diagram of a part B of the drainage device for a bridge floor of a viaduct beam provided by the present invention;

fig. 5 is a schematic view of a sectional structure of a motor in a drainage device for a bridge floor of a viaduct;

fig. 6 is the utility model provides a cross-sectional structure schematic view overlooked of cylinder department among overpass bridge floor drainage device.

In the figure: the bridge comprises a bridge main body 1, a water filtering cover 2, a water filtering cylinder 3, a sealing ring 4, a bottom plate 5, a rotating shaft 6, a connecting rod 7, a brush 8, a supporting cylinder 9, a bearing 10, a first bevel gear 11, a first motor 12, a driving shaft 13, a second bevel gear 14, a circular pipe 15, a supporting rod 16, a transverse plate 17, a cylinder 18, a connecting plate 19, an access door plate 20, a lock 21, a circular water pipe 22, a spray head 23, a connecting pipe 24, a first water outlet pipe 25, a first water pump 26, a water tank 27, a water inlet pipe 28, a second water pump 29, a cover plate 30, a second water outlet pipe 31, a first water valve 32, a water outlet pipe 33, a third water outlet pipe 34, a second water valve 35, a sewage discharge pipe 36, a spiral shaft 37, a second motor 38, a water level detector 39 and a water inlet valve 40.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, and are only for convenience of description and simplicity of description, and do not indicate or imply that the device or element being referred to must have a particular orientation, be constructed and operated in a particular orientation, and therefore, should not be construed as limiting the present invention.

Example one

Referring to fig. 1-6, a drainage device for a bridge deck of a viaduct comprises a bridge main body 1, a water filtering tank and a water tank are arranged on the top side of the bridge main body 1, and are respectively provided with a water filtering component and a water storage component, a mounting groove is arranged on the bottom side of the bridge main body 1 and is provided with a driving mechanism, the driving mechanism comprises a rotating component and a lifting component, a pipe groove is arranged on one vertical side of the bridge main body 1 and is provided with a drainage dredging mechanism, the drainage dredging mechanism comprises a drainage conveying component and a dredging and pollution discharging component, the water filtering component comprises a water filtering cover 2, a water filtering cylinder 3, a rotating shaft 6 and a hairbrush 8, the water filtering cover 2 is clamped on the top side of the water filtering tank, the water filtering cylinder 3 is fixedly connected on the bottom side of the water filtering cover 2, a sealing ring 4 is arranged on the bottom side of the water filtering cylinder 3 and is clamped with a bottom plate 5, the rotating shaft 6 is rotatably connected in a plate body of the bottom plate 5, a connecting rod 7 is fixedly connected on the outer side of the shaft body of the rotating shaft 6, the brush 8 is vertically and fixedly connected to the other end of the connecting rod 7, the rotating assembly comprises a support cylinder 9, a bevel gear I11, a bevel gear II 14 and a round pipe 15, the support cylinder 9 is fixedly connected to the bottom wall of the mounting groove, a bearing 10 is installed on the inner side of the support cylinder 9, the bearing 10 is rotatably sleeved on the outer side of the shaft body of the rotating shaft 6, the bevel gear I11 is fixedly connected to the bottom end of the rotating shaft 6, a plurality of mounting grooves and water tank grooves are respectively formed in the mounting groove and the water tank groove, a motor I12 is fixedly installed on one vertical side of one mounting groove, the round pipe 15 is embedded in the bridge main body 1, a driving shaft 13 is rotatably arranged on the inner side of the round pipe 15, one end of the driving shaft 13 is in transmission connection with an output shaft of the motor I12, the bevel gear II 14 is fixedly sleeved on the outer side of the shaft body of the driving shaft 13, the bevel gear II 14 is in meshing connection with the bevel gear I11, the lifting assembly comprises a supporting rod 16, a transverse plate 17 and a cylinder 18, the supporting rod 16 is slidably arranged between the water filtering groove and the mounting groove, the top side of the supporting rod 16 is fixedly connected with the bottom plate 5, the water filtering component is provided with a plurality of water filtering components, the transverse plates 17 are fixedly connected with the bottom sides of the supporting rods 16 in the plurality of water filtering components, two groups of the supporting rods 16 and the transverse plates 17 are arranged in parallel, a connecting plate 19 is fixedly connected between the two transverse plates 17, the air cylinders 18 are arranged on the vertical sides of the plurality of mounting grooves at intervals in a staggered manner, the bottom sides of the two transverse plates 17 are in transmission connection with output rods of the air cylinders 18, the water storage component comprises annular water pipes 22, spray heads 23, connecting pipes 24 and water tanks 27, the annular water pipes 22 are fixedly sleeved on the outer sides of the water filtering cylinders 3, the spray heads 23 are arranged in the cylinder walls of the water filtering cylinders 3, a water outlet pipe 25 and a water inlet pipe 28 are arranged between the water filtering tanks, one ends of the water outlet pipe 25 and the water inlet pipe 28 are respectively provided with a water pump 26 and a water pump 29, the water inlet pipe 28 and the spray heads 23 are both communicated with the annular water pipes 22, the water tanks 27 are arranged in the water tank grooves, and a water level detector 39 is arranged on the inner wall of the top side of the water tank 27, the first water pump 26 and the second water pump 29 are both communicated with the water tank 27, the drainage conveying assembly comprises a second water outlet pipe 31, a first water valve 32 and a drainage pipe 33, the dredging and drainage assembly comprises a third water outlet pipe 34, a second water valve 35, a drainage pipe 36, a screw shaft 37 and a second motor 38, the drainage pipe 33, the drainage pipe 36 and the second motor 38 are all fixedly arranged in a pipeline groove, the second water outlet pipe 31 is communicated and arranged between the water filtering groove and the drainage pipe 33, the third water outlet pipe 34 is communicated and arranged between the water filtering groove and the drainage pipe 36, the first water valve 32 and the second water valve 35 are respectively arranged in the pipe bodies of the second water outlet pipe 31 and the third water outlet pipe 34, one end of the drainage pipe 36 is of a sealing structure, the screw shaft 37 is rotatably arranged on the inner side of the drainage pipe 36, one end of the screw shaft 37 penetrates through the pipe body at the sealed end of the sewage discharge pipe 36 and is in transmission connection with an output shaft of the motor II 38; the connecting pipe 24 is embedded in the bridge main body 1, two ends of the connecting pipe 24 are respectively communicated with the annular water pipes 22 in the two adjacent water filtering assemblies, and one end of one annular water pipe 22 is communicated with a water inlet valve 40.

In this embodiment, when the bridge deck meets the rainy weather, the rainwater mixed with silt falls into the device, the rainwater is firstly filtered by the water filtering component, and is firstly filtered by the strip-shaped water filtering holes of the water filtering cover 2, so as to prevent part of road garbage from falling into the device, then the rainwater falls into the water filtering cylinder 3, and is secondly filtered by the sieve holes of the water filtering cylinder 3, so that the rainwater with silt removed by screening falls into the water filtering tank, and then flows into the water tank 27 through the first water outlet pipe 25, and is stored by the water storage component, when the water level reaches the position of the first water pipe 25, the rainwater which is filtered by the water filtering tank can not fall into the water tank 27 under the gravity action of the water, at this time, the first water pump 26 is started to pump the rainwater which is screened in the water filtering tank until the water tank 27 is full, the water level detector 39 alarms, then the first water pump 26 is turned off and the water delivery component is operated, the first water valve 32 is started, so that the redundant rainwater is discharged from the second water outlet pipe 31 through the water outlet pipe 33, the drainage pipe 33 is not blocked, and the drainage effect is good.

During the period, silt can block the sieve pores of the water filtering cylinder 3 to influence the filtering effect of the silt, when the rainfall is large, rainwater can be accumulated, the rainwater deposited on the bridge floor can not be discharged, and the traffic is influenced, at the moment, the rotating assembly can be operated discontinuously, the inner wall of the water filtering cylinder 3 is cleaned through the hairbrush 8, only the motor I12 needs to be started, the output shaft of the motor I12 starts to rotate, then the output shaft of the drive shaft 13 is driven to rotate, then the bevel gear II 14 is driven to rotate, then the bevel gear I11 is driven to rotate under the meshing connection effect, the rotating shaft 6 starts to rotate, then the connecting rod 7 is driven to rotate by taking the rotating shaft 6 as a central axis, then the hairbrush 8 is driven to rotate, the inner wall of the water filtering cylinder 3 is cleaned, the blocked sieve pores are unblocked, the subsequent filtering of the silt in the rainwater is facilitated, the water filtering and the drainage are unblocked, and the effect of cleaning the sieve pores can be achieved by intermittently starting the motor I12, saves power resources and has good use effect.

When the rainfall stops, the silt screened out in the water filtering cylinder 3 needs to be cleaned, at the moment, only the lifting assembly, the water storage assembly and the desilting and sewage discharging assembly need to be operated simultaneously, the air cylinder 18 is started, the output rod of the air cylinder 18 moves downwards, the transverse plate 17 and the support rod 16 are driven to move downwards along with the downward movement, the bottom plate 5 moves downwards, then the silt falls into the water filtering tank from the bottom side of the water filtering cylinder 3, meanwhile, the water pump II 29 is started to pump out the rainwater in the water tank 27, the rainwater flows into the annular water pipe 22 through the water inlet pipe 28 and is sprayed to the inner side of the water filtering cylinder 3 through the spray head 23, the silt is mixed with the rainwater, the silt flows conveniently, then the water valve II 35 is started to enable the silt to flow into the sewage discharging pipe 36, then the motor II 38 is started, the output shaft of the motor II 38 rotates along with the rotation of the screw shaft 37, the silt is driven to be rotated by the screw shaft 37 to push out the sewage discharging pipe 36, and the silt is not deposited and blocked in the pipe, the operation is simple.

During the period of not raining or when the rainfall is less, the inside of the water filtering cylinder 3 can be blocked by the sieve holes due to the accumulation of dust and silt on the bridge road, the water in the water tank 27 is not enough stored, the silt cannot be cleaned, the subsequent use effect of the device is affected, the water inlet valve 40 can be opened at the moment, road cleaning water is input into the water inlet valve 40, then the water flow can be conveyed into the annular water pipe 22 communicated with the water flow, the water flows into all the annular water pipes 22 through the connecting pipe 24, then the silt is sprayed to the silt through the spray head 23, then the silt water is cleaned and discharged according to the operation principle, and the practicability is high.

Example two

Referring to fig. 1-6, in this embodiment, basically the same as the first embodiment, it is more preferable that the notch of the installation slot is rotatably hinged with an access door panel 20, a lock 21 is fixedly installed between the access door panel 20 and the bottom wall of the bridge main body 1, and the notches of the water tank and the pipeline tank are respectively provided with a cover plate 30 in a clamped manner, so as to protect the structure in the device and facilitate the maintenance and replacement of the structure; the cover body of the water filtering cover 2 is provided with a plurality of strip-shaped water filtering holes, the cylinder body of the water filtering cylinder 3 is provided with a plurality of sieve pores, rainwater is filtered twice, and the filtering effect is good; the spray heads 23 and the brushes 8 are arranged in a dispersed manner, and the brushes 8 are in contact with the inner side of the water filtering cylinder 3, so that the silt blocked in the sieve pores can be cleaned conveniently; the water inlet pipe 28 is arranged in parallel with the first water outlet pipe 25, and the water inlet pipe 28 is positioned vertically above the first water outlet pipe 25, so that the spray head 23 can spray water conveniently, and silt can be flushed out along with water flow.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. A drainage device for a bridge floor of a viaduct comprises a bridge main body (1) and is characterized in that a water filtering groove and a water tank groove are formed in the top side of the bridge main body (1) and are respectively provided with a water filtering component and a water storage component, a mounting groove is formed in the bottom side of the bridge main body (1) and is provided with a driving mechanism, the driving mechanism comprises a rotating component and a lifting component, a pipeline groove is formed in the vertical side of the bridge main body (1) and is provided with a drainage dredging mechanism, the drainage dredging mechanism comprises a drainage conveying component and a dredging and sewage discharging component, the water filtering component comprises a water filtering cover (2), a water filtering cylinder (3), a rotating shaft (6) and a hairbrush (8), the water filtering cover (2) is clamped on the top side of the water filtering groove, the water filtering cylinder (3) is fixedly connected to the bottom side of the water filtering cover (2), a sealing ring (4) is installed on the bottom side of the water filtering cylinder (3) and is clamped with a bottom plate (5), the rotating shaft (6) is rotatably connected in the plate body of the bottom plate (5), the connecting rod (7) is fixedly connected to the outer side of the shaft body of the rotating shaft (6), the hairbrush (8) is vertically and fixedly connected to the other end of the connecting rod (7), the rotating assembly comprises a supporting cylinder (9), a bevel gear I (11), a bevel gear II (14) and a round pipe (15), the supporting cylinder (9) is fixedly connected to the bottom wall of the mounting groove, a bearing (10) is installed on the inner side of the supporting cylinder (9), the bearing (10) is rotatably sleeved on the outer side of the shaft body of the rotating shaft (6), the bevel gear I (11) is fixedly connected to the bottom end of the rotating shaft (6), a plurality of mounting grooves and water tank grooves are respectively formed, a motor I (12) is fixedly installed on one vertical side of one mounting groove, the round pipe (15) is embedded in the bridge main body (1), and a driving shaft (13) is rotatably arranged on the inner side of the round pipe (15), one end of the driving shaft (13) is in transmission connection with an output shaft of the motor I (12), the bevel gear II (14) is fixedly sleeved outside a shaft body of the driving shaft (13), the bevel gear II (14) is in meshing connection with the bevel gear I (11), the lifting assembly comprises supporting rods (16), transverse plates (17) and air cylinders (18), the supporting rods (16) are arranged between the water filtering grooves and the mounting grooves in a sliding mode, the top sides of the supporting rods (16) are fixedly connected with the bottom plate (5), the water filtering assemblies are provided with a plurality of transverse plates (17), the transverse plates (17) are fixedly connected to the bottom sides of the supporting rods (16) in the water filtering assemblies, the two groups of the supporting rods (16) and the transverse plates (17) are arranged in parallel, connecting plates (19) are fixedly connected between the two transverse plates (17), and the air cylinders (18) are installed on the vertical sides of the mounting grooves in a staggered mode at intervals, the bottom sides of the two transverse plates (17) are in transmission connection with an output rod of the air cylinder (18), the water storage assembly comprises an annular water pipe (22), a spray head (23), a connecting pipe (24) and a water tank (27), the annular water pipe (22) is fixedly sleeved on the outer side of a cylinder body of the water filtering cylinder (3), the spray head (23) is installed in the cylinder wall of the water filtering cylinder (3), a first water outlet pipe (25) and a second water inlet pipe (28) are installed between the water filtering tank and the water tank, one end of the first water outlet pipe (25) and one end of the second water inlet pipe (28) are respectively provided with a first water pump (26) and a second water pump (29), the first water inlet pipe (28) and the spray head (23) are both communicated with the annular water pipe (22), the water tank (27) is arranged in the water tank, a water level detector (39) is installed on the inner wall of the top side of the water tank (27), and the first water pump (26) and the second water pump (29) are both communicated with the water tank (27), the drainage conveying component comprises a second water outlet pipe (31), a first water valve (32) and a second water outlet pipe (33), the dredging and sewage discharging component comprises a third water outlet pipe (34), a second water valve (35), a sewage discharging pipe (36), a screw shaft (37) and a second motor (38), the first water outlet pipe (33), the sewage discharging pipe (36) and the second motor (38) are fixedly installed in a pipeline groove, the second water outlet pipe (31) is communicated and arranged between a water filtering groove and a water discharging pipe (33), the third water outlet pipe (34) is communicated and arranged between the water filtering groove and the sewage discharging pipe (36), the first water valve (32) and the second water valve (35) are respectively installed in the pipe bodies of the second water outlet pipe (31) and the third water outlet pipe (34), one end of the sewage discharging pipe (36) is of a sealing structure, the screw shaft (37) is rotatably arranged on the inner side of the sewage discharging pipe (36), and one end of the screw shaft (37) penetrates through the pipe body of the sealing end of the sewage discharging pipe (36), and is in transmission connection with an output shaft of the second motor (38).

2. The viaduct bridge deck drainage device according to claim 1, wherein the connecting pipe (24) is embedded in the bridge body (1), and two ends of the connecting pipe (24) are respectively communicated with the annular water pipes (22) in two adjacent water filtering assemblies, wherein one end of one annular water pipe (22) is communicated with a water inlet valve (40).

3. The viaduct bridge deck drainage device according to claim 1, wherein the notch of the installation slot is hinged with an access door panel (20), a latch (21) is fixedly installed between the access door panel (20) and the bottom wall of the bridge body (1), and the notches of the water tank and the pipeline tank are respectively provided with a cover plate (30) in a latching manner.

4. The viaduct bridge deck drainage device according to claim 1, wherein the cover body of the water filtering cover (2) is provided with a plurality of strip-shaped water filtering holes, and the cylinder body of the water filtering cylinder (3) is provided with a plurality of sieve holes.

5. The overpass bridge deck drainage device of claim 1, wherein the spray head (23) and the brushes (8) are provided in a plurality of dispersed arrangement, and the brushes (8) contact with the inner side of the water filter (3).

6. The overpass bridge deck drainage device of claim 1, wherein the inlet pipe (28) is arranged in parallel with the first outlet pipe (25), and the inlet pipe (28) is positioned vertically above the first outlet pipe (25).