CN210561713U

CN210561713U - Drainage system for highway bridge

Info

Publication number: CN210561713U
Application number: CN201920929926.7U
Authority: CN
Inventors: 王磊; 尹宇; 宋丰伟
Original assignee: Anhui Jiankai Construction Engineering Co ltd
Current assignee: Anhui Jiankai Construction Engineering Co ltd
Priority date: 2019-06-19
Filing date: 2019-06-19
Publication date: 2020-05-19
Anticipated expiration: 2029-06-19

Abstract

The utility model relates to the technical field of bridge drainage, and discloses a drainage system for a highway bridge, which comprises a drainage groove, a water outlet and a drainage device, wherein a rainwater hopper is arranged below the water outlet; a first drainage pipe is connected below the rainwater hopper, and the other end of the first drainage pipe is communicated with a drainage device; the drainage device comprises a water storage tank, a fixing plate, a filtering device and a second drainage pipe, wherein the top of the water storage tank is covered with a tank cover; a water inlet is formed in the position, close to the side wall of the side face of the bridge anti-collision wall, of the water storage tank and located at the pipe opening of the first drainage pipe, far away from the rainwater hopper; the filtering device is sleeved in the water storage tank, the upper end of the filtering device is detachably mounted at the bottom of the tank cover, and a connecting port communicated with the water through hole is formed in the position, corresponding to the water through hole, of the filtering device. The utility model has the advantages of it is following and effect: can carry out the drainage to the bridge effectively under the firm condition of assurance bridge overall structure.

Description

Drainage system for highway bridge

Technical Field

The utility model relates to a bridge drainage technical field, in particular to drainage system for public road bridge roof beam.

Background

The water accumulation on the deck can cause traffic to block and the vehicle to slip. If the bridge deck has accumulated chloride-containing ice and snow melting water, reinforcing steel bars in the bridge deck concrete can be corroded, and the service life of the bridge is shortened. Because the bridge deck drainage capacity must be considered in bridge design, the smooth, waterproof reliable of bridge deck drainage is striven for.

At present, the utility model discloses a chinese utility model patent that bulletin number is CN208328686U discloses a bridge drainage structures, including the pontic and pier, be equipped with two lanes on the pontic, every the road surface both sides on lane are provided with the water drainage, the water drainage assembles the water drainage main road, the water drainage main road downwardly extending goes into in the pier, the delivery port has been seted up to the position that the pier is located the below water surface, delivery port and water drainage main road intercommunication, two be equipped with the greenbelt between the lane, the pontic surface is located the greenbelt both sides and has seted up the water catch bowl, water catch bowl and greenbelt, water drainage intercommunication.

The technical scheme adopts a built-in structure for drainage, and the outer surface of the bridge is not easy to breed moss, but has the following defects: the design of bridge floor drainage is mainly for the guarantee bridge floor is unobstructed, safe in driving, prevents that the bridge floor structure from being corroded by the precipitation, sets up the water drainage channel to the position that is close to the pier in the both sides bottom on lane road surface, and the water drainage channel assembles into the drainage main track that extends to in the pier, and it sets up a plurality of and very long water drainage channel of length on bridge structures, influences the whole rigidity of bridge for the bridge life-span reduces.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a drainage system for public road bridge roof beam, can carry out the drainage to the bridge effectively under the firm condition of assurance bridge overall structure.

The above technical purpose of the present invention can be achieved by the following technical solutions:

a drainage system for a highway bridge comprises a drainage tank, a water outlet formed in the bottom of the drainage tank and a drainage device communicated with the water outlet, wherein a rainwater hopper is arranged below the water outlet; a first drainage pipe is connected below the rainwater hopper, and the other end of the first drainage pipe is communicated with a drainage device; the drainage device comprises a water storage tank, a fixing plate, a filtering device and a second drainage pipe, wherein the top of the water storage tank is covered with a tank cover, the fixing plate is arranged on the side surface of the water storage tank close to the anti-collision wall of the bridge, the filtering device is arranged in the water storage tank, the second drainage pipe is communicated with the bottom of the water storage tank, and the other end; the water storage tank is close to the side wall of the side face of the bridge anti-collision wall and is provided with a water through hole at the pipe orifice of the first drainage pipe, which is far away from the rainwater hopper; the filter device is sleeved in the water storage tank, the upper end of the filter device is detachably mounted at the bottom of the tank cover, and a connector communicated with the water through hole is arranged at the position, corresponding to the water through hole, of the filter device.

By adopting the technical scheme, siphon type drainage is adopted, full pipe flow and no air enter in the drainage pipe, accumulated water in the drainage tank can be quickly drained, and drainage is efficient; the water storage tank is arranged to the accumulated water, the accumulated water can be buffered, the accumulated water can be quickly discharged from the bridge floor to enter the water storage tank, and the phenomenon that the accumulated water is accumulated on the bridge floor to cause excessive water to further permeate and corrode the bridge floor structure is avoided. In addition, set up the storage water tank in the bridge side, avoid seting up a plurality of water drainage tank on the bridge, can be fast with ponding discharge bridge, effectively reduce the harm degree to bridge structures, carry out high-efficient drainage under the circumstances of guaranteeing bridge stable in structure. Set up the complete set with filter equipment and locate the shape in the storage water tank to on being fixed in the case lid with filter equipment's upper end, when lifting the case lid again, can mention filter equipment, because filter equipment can dismantle, can pull down filter equipment and carry out the debris clearance, reduce debris and pile up too much and lead to the peculiar smell. The position that corresponds the limbers with filter equipment is equipped with the connector with the limbers intercommunication for the drainage after filter equipment filters can be led to first drain pipe exhaust ponding, effectively reduces the possibility of drain pipe jam. The rainwater hopper is arranged for draining, the pipeline does not need to be arranged obliquely, and the difficulty of construction and installation is reduced.

The utility model is further arranged in such a way that the top of the water storage tank is inclined from one side close to the bridge to one side far away from the bridge, and one side of the top of the water storage tank close to the bridge is higher than one side far away from the bridge; the top of the water storage tank is vertical to the tops of two side walls of the bridge and is provided with mounting grooves respectively; and the bottom of the box cover is provided with a mounting block matched with the mounting groove at the position corresponding to the mounting groove.

By adopting the technical scheme, the tank cover of the water storage tank is obliquely arranged, so that sundries are prevented from falling onto the tank cover; the installation block is matched with the installation groove, so that the box cover is obliquely arranged and is not easy to slip off. The case lid slope sets up, is favorable to reducing on the heavy object falls the case lid, leads to storage water tank weight overweight and bridge fixed insecure.

The utility model discloses further set up to, the case lid top just is close to the position of bridge and is equipped with the lifting unit.

Through adopting above-mentioned technical scheme, set up lifting unit, the clearance personnel of being convenient for mention the case lid, clear up inside.

The utility model is further arranged in that the lifting component comprises a first connecting plate which is parallel to the side face of the bridge anti-collision wall and one end of which is fixed on the upper surface of the box cover, a second connecting plate which is arranged at the other end of the first connecting plate and is perpendicular to the first connecting plate, and a clamping plate which is arranged on the second connecting plate, is far away from the first connecting plate and is parallel to the first connecting plate; the end face of the bridge anti-collision wall is provided with a clamping groove matched with the end face of the clamping plate far away from the second connecting plate; the lower surface of the second connecting plate is attached to the top surface of the bridge anti-collision wall; the clamping plate is embedded into the clamping groove.

Through adopting above-mentioned technical scheme, with cardboard embedding draw-in groove, because filter equipment is simple filter screen combination, its weight is not very heavy, so can place the storage water tank through lifting means with the case lid on, shelter from the storage water tank top. The water storage is covered to the case lid, and filterable debris accumulation is on filter equipment, and on its weight of synthesizing can direct action storage water tank down, can reduce the effort of filter equipment and case lid to the storage water tank through hoisting device for the storage water tank guarantees that the installation is stable.

The utility model discloses further set up to, be provided with the waterstop between the joint line of anticollision wall and bridge floor.

By adopting the technical scheme, the waterstop is arranged, so that accumulated water is prevented from permeating into a connecting joint between the anti-collision wall and the bridge floor, and the instability of a bridge structure caused by the permeation of the accumulated water into the connecting joint is reduced; the water stop belt is partially buried in the concrete pouring process.

The utility model discloses further set up to, storage water tank bottom and filter equipment bottom all set up to sunken downwards.

Through adopting above-mentioned technical scheme, all set up the storage water tank bottom and the filter equipment bottom is sunken downwards for ponding can discharge fast, improves the efficiency of drainage.

The utility model is further provided with that the second drain pipe comprises a first pipeline which is communicated with the bottom of the water storage tank and the other end of which extends to a position close to the pier, and a second pipeline which is communicated with the first pipeline and is vertically and downwards arranged along the pier; the first pipeline and the second pipeline are fixed on the corresponding bridge through anchor ears by using chemical bolts.

Through adopting above-mentioned technical scheme, extend the second drain pipe to the pier below along the bridge, reduce ponding and lead to the bridge body to be stained with water along the bridge body is downflow, easily breeds moss etc..

The utility model discloses further set up to, the cross-section of connector is greater than the cross-section of water service port.

Through adopting above-mentioned technical scheme for can get into filter equipment and discharge after filtering when ponding discharges into the storage water tank from first drain pipe.

The utility model is further arranged in that the filtering device comprises a rectangular frame, symmetrical semi-circular filter screens vertically arranged at both ends along the length direction of the rectangular frame, and an arc mesh enclosure arranged between the two semi-circular filter screens; the rectangular frame and the bottom of the box cover are fixed through bolts.

Through adopting above-mentioned technical scheme, set filter equipment into tubbiness for can spill over around filter equipment when filter equipment bottom is blockked up by the filter screen, still effectively improved drainage efficiency. The filtering device is arranged at the bottom of the box cover through the bolt, and the box cover and the filtering device are conveniently detached to be cleaned when sundries in the filtering device need to be cleaned.

To sum up, the utility model discloses a beneficial technological effect does:

1. by adopting siphon drainage, the drainage pipe is full of pipe flow and no air enters, accumulated water in the drainage tank can be quickly drained, drainage is efficient, the accumulated water is drained into the water storage tank, the accumulated water can be buffered, the accumulated water can be quickly drained from the bridge floor and enters the water storage tank, and the phenomenon that the accumulated water is accumulated too much on the bridge floor and further permeates and corrodes the bridge floor structure is avoided;

2. the filtering device is arranged in the water storage tank in a set shape, the upper end of the filtering device is fixed on the tank cover, and the filtering device can be lifted when the tank cover is lifted;

3. set up installation piece and mounting groove cooperation for the case lid slope sets up and is difficult for the landing, and the case lid slope sets up, is favorable to reducing on the heavy object falls the case lid, leads to storage water tank weight overweight and bridge fixed insecure.

Drawings

FIG. 1 is a schematic view of a drain system according to an embodiment;

FIG. 2 is a schematic diagram of a water storage tank structure of the embodiment;

fig. 3 is a schematic view of the overall structure of the embodiment.

Reference numerals: 1. a water discharge tank; 11. a water outlet; 12. a rainwater hopper; 13. a first drain pipe; 14. a second drain pipe; 141. a first conduit; 142. a second conduit; 2. a drainage device; 21. a water storage tank; 211. a water inlet; 212. mounting grooves; 22. a box cover; 221. mounting blocks; 23. fixing the plate; 3. a filtration device; 31. a rectangular frame; 32. filtering with a screen; 33. an arc net cover; 34. a connecting port; 4. a lifting assembly; 41. a first connecting plate; 42. a second connecting plate; 43. clamping a plate; 5. a bridge; 51. a bridge deck; 52. a bridge pier; 53. an anti-collision wall; 531. a card slot; 54. a water stop.

Detailed Description

The present invention will be described in further detail with reference to the accompanying drawings.

As shown in fig. 1, the drainage system for the highway bridge comprises a drainage channel 1 arranged on a bridge floor 51 and close to an anti-collision wall 53, a water outlet 11 arranged at the bottom of the drainage channel 1, and a drainage device 2 communicated with the water outlet 11. A rainwater hopper 12 is arranged below the water outlet 11. A first drain pipe 13 is connected to the lower side of the rainwater hopper 12, and the other end of the first drain pipe 13 is communicated with the drain device 2.

As shown in fig. 2, the drainage device 2 comprises a water storage tank 21 covered with a tank cover 22 at the top, a fixing plate 43 installed on the water storage tank 21 near the side of the anti-collision wall 53 of the bridge 5, a filtering device 3 installed in the water storage tank 21, and a second drainage pipe 14 (shown in fig. 3) communicated with the bottom of the water storage tank 21 and having the other end near the ground. Since the cover 22 only serves to suspend the filter device 3 and to shield foreign objects, the cover 22 is preferably made of a lightweight material. The water storage tank 21 is close to the side wall of the side face of the anti-collision wall 53 of the bridge 5 and is provided with a water through hole 211 at the position of the first drain pipe 13 far away from the pipe orifice of the rainwater hopper 12.

A lifting assembly 4 for lifting the filter unit 3 is mounted on the top of the cover 22 near the impact wall 53. The lifting assembly 4 comprises a first connecting plate 41 which is parallel to the side of the collision wall 53 of the bridge 5 and one end of which is fixed on the upper surface of the box cover 22, a second connecting plate 42 which is arranged at the other end of the first connecting plate 41 and is perpendicular to the first connecting plate 41, and a clamping plate 43 which is arranged on the end surface of the second connecting plate 42 far away from the first connecting plate 41 and is parallel to the first connecting plate 41. The draw-in groove 531 that keeps away from the terminal surface looks adaptation of second connecting plate 42 with cardboard 43 is seted up to 5 crashproof walls 53 up end of bridge, and the lower surface of second connecting plate 42 is laminated with 5 crashproof walls 53 top surfaces of bridge, and this cardboard 43 embedding draw-in groove 531 internal fixation.

The filtering device 3 comprises a rectangular frame 31 fixed with the bottom of the box cover 22 through bolts, two symmetrical semicircular filter screens 32 vertically formed at two ends of the rectangular frame 31 in the length direction, and an arc-shaped mesh enclosure 33 formed between the two semicircular filter screens 32. A connection port 34 communicating with the water passage port 211 is attached to the filter device 3 at a position corresponding to the water passage port 211, and the cross section of the connection port 34 is larger than that of the water passage port 211.

As shown in FIG. 1, the top of the water storage tank 21 is inclined from one side close to the bridge 5 to one side far from the bridge 5, and one side of the top of the water storage tank 21 close to the bridge 5 is higher than one side far from the bridge 5. The top of the water storage tank 21 is perpendicular to the top of the two side walls of the bridge 5 and is respectively provided with a mounting groove 212, and the bottom of the tank cover 22 is provided with a mounting block 221 corresponding to the mounting groove 212 in a forming manner. The bottom of the water storage tank 21 and the bottom of the filtering device 3 are both arranged in a downward concave manner.

A water stop belt 54 is arranged between the connection joint of the anti-collision wall 53 and the bridge floor 51, and the water stop belt 54 is partially buried in concrete in the concrete pouring process.

As shown in fig. 3, the second drain pipe 14 includes a first pipe 141 communicating with the bottom of the storage tank 21 and having the other end extended to a position near the pier 52, and a second pipe 142 communicating with the first pipe 141 and vertically disposed downward along the pier 52. The first and

second pipes

141 and 142 are fixed to the corresponding bridge 5 by using chemical bolts through anchor ears.

Preferably, the first drain pipes 13 of the plurality of drain tanks 1 arranged at intervals may be introduced into one water storage tank 21 for saving materials and costs.

This embodiment is when using, with ponding from rainwater fill 12 discharge into storage water tank 21, can cushion ponding for ponding can be fast followed bridge floor 51 and discharged entering storage water tank 21, avoids ponding to collect together too much and further infiltration corrosion bridge floor 51 structure at bridge floor 51, effectively reduces the harm degree to 5 structures of bridge, carries out high-efficient drainage under the circumstances of guaranteeing 5 stable in structure of bridge. The filtering device 3 is arranged in the water storage tank 21 in a set mode, the upper end of the filtering device 3 is fixed on the tank cover 22, the filtering device 3 can be lifted up when the tank cover 22 is lifted, the filtering device 3 can be detached to clean impurities, and the peculiar smell caused by excessive accumulation of the impurities is reduced. The position of the filtering device 3 corresponding to the water passing port 211 is provided with a connecting port 34 communicated with the water passing port 211, so that accumulated water discharged by the first drainage pipe 13 can be discharged after being filtered by the filtering device 3, and the possibility of blockage of the drainage pipe is effectively reduced.

It is above only the utility model discloses a preferred embodiment, the utility model discloses a scope of protection does not only confine above-mentioned embodiment, the all belongs to the utility model discloses a technical scheme under the thinking all belongs to the utility model discloses a scope of protection. It should be noted that, for those skilled in the art, various modifications and decorations can be made without departing from the principle of the present invention, and these modifications and decorations should also be regarded as the protection scope of the present invention.

Claims

1. The utility model provides a drainage system for public road bridge roof beam, includes delivery port (11) that water drainage tank (1), water drainage tank (1) tank bottom were seted up, drainage device (2) with delivery port (11) intercommunication, characterized by: a rainwater hopper (12) is arranged below the water outlet (11); a first drainage pipe (13) is connected below the rainwater hopper (12), and the other end of the first drainage pipe (13) is communicated with the drainage device (2); the drainage device (2) comprises a water storage tank (21) with a tank cover (22) covered at the top, a fixing plate (23) arranged on the side surface of the water storage tank (21) close to an anti-collision wall (53) of the bridge (5), a filtering device (3) arranged in the water storage tank (21), and a second drainage pipe (14) communicated with the bottom of the water storage tank (21) and with the other end close to the ground; the water storage tank (21) is close to the side wall of the side face of the anti-collision wall (53) of the bridge (5) and is provided with a water through opening (211) at the position, far away from the rainwater hopper (12), of the first drainage pipe (13); the filtering device (3) is sleeved in the water storage tank (21) and the upper end of the filtering device is detachably mounted at the bottom of the tank cover (22), and a connecting port (34) communicated with the water through opening (211) is arranged at the position, corresponding to the water through opening (211), of the filtering device (3).

2. The drainage system for road bridges of claim 1, wherein: the top of the water storage tank (21) is obliquely arranged along one side close to the bridge (5) to one side far away from the bridge (5), and one side, close to the bridge (5), of the top of the water storage tank (21) is higher than one side far away from the bridge (5); the top of the water storage tank (21) is vertical to the tops of two side walls of the bridge (5) and is respectively provided with a mounting groove (212); and a mounting block (221) matched with the mounting groove (212) is arranged at the bottom of the box cover (22) corresponding to the mounting groove (212).

3. The drainage system for road bridges of claim 1, wherein: and a lifting assembly (4) is arranged at the top of the box cover (22) and close to the bridge (5).

4. The drainage system for road bridges of claim 3, wherein: the lifting assembly (4) comprises a first connecting plate (41) which is parallel to the side face of an anti-collision wall (53) of the bridge (5) and one end of which is fixed on the upper surface of the box cover (22), a second connecting plate (42) which is arranged at the other end of the first connecting plate (41) and is vertical to the first connecting plate (41), and a clamping plate (43) which is arranged on the second connecting plate (42) and is far away from the first connecting plate (41) and is parallel to the first connecting plate (41); the upper end face of the anti-collision wall (53) of the bridge (5) is provided with a clamping groove (531) matched with the end face, far away from the second connecting plate (42), of the clamping plate (43); the lower surface of the second connecting plate (42) is attached to the top surface of an anti-collision wall (53) of the bridge (5); the clamping plate (43) is embedded in the clamping groove (531).

5. The drainage system for road bridges of claim 1, wherein: and a water stop belt (54) is arranged between the connecting joint of the anti-collision wall (53) and the bridge floor (51).

6. The drainage system for road bridges of claim 1, wherein: the bottom of the water storage tank (21) and the bottom of the filtering device (3) are both arranged in a downward concave mode.

7. The drainage system for road bridges of claim 1, wherein: the second drainage pipe (14) comprises a first pipeline (141) communicated with the bottom of the water storage tank (21) and the other end of the first pipeline extends to a position close to the pier (52), and a second pipeline (142) communicated with the first pipeline (141) and vertically arranged downwards along the pier (52); the first pipeline (141) and the second pipeline (142) are fixed on the corresponding bridge (5) through anchor ears by using chemical bolts.

8. The drainage system for road bridges of claim 1, wherein: the cross section of the connecting port (34) is larger than that of the water passing port (211).

9. The drainage system for road bridges of claim 1, wherein: the filtering device (3) comprises a rectangular frame (31), symmetrical semicircular filter screens (32) vertically arranged at two ends of the rectangular frame (31) in the length direction, and an arc-shaped mesh enclosure (33) arranged between the two semicircular filter screens (32); the rectangular frame (31) is fixed with the bottom of the box cover (22) through bolts.