CN214459607U

CN214459607U - Pedestrian overpass drainage system

Info

Publication number: CN214459607U
Application number: CN202022680352.XU
Authority: CN
Inventors: 张亮; 刘俊
Original assignee: Shenzhen Hengli Construction Engineering Co ltd
Current assignee: Shenzhen Hengli Construction Engineering Co ltd
Priority date: 2020-11-18
Filing date: 2020-11-18
Publication date: 2021-10-22
Anticipated expiration: 2030-11-18

Abstract

The application relates to the field of pedestrian overpass drainage, in particular to a pedestrian overpass drainage system, which comprises a railing base connected to the two side faces of a stair and a water collecting channel positioned in the railing base. The side of the handrail base close to the stairs is provided with a drain hole corresponding to the surface of each step of the stairs, the water collecting channel is provided with a plurality of water collecting holes, and the drain hole is connected with the water collecting holes through a drain pipe to drain accumulated water of the stairs to the ground along the water collecting channel. The surface of the bridge body is provided with a drainage groove, accumulated water on the surface of the bridge body is drained into the water collecting channel through a drainage port in the drainage groove, and the accumulated water on the surface of the bridge body is drained to the ground. This application has the effect of the problem of the drainage of solving the pontic and stair.

Description

Pedestrian overpass drainage system

Technical Field

The application relates to the technical field of pedestrian overpass drainage, in particular to a pedestrian overpass drainage system.

Background

The pedestrian overpass comprises a bridge body and stairs. When raining or snowing, accumulated water is formed on the surface of the bridge body, so that the pedestrian traffic is influenced, and potential safety hazards are caused to pedestrians and pedestrian overpasses. The drainage method of the pedestrian overpass at present is to drain the accumulated water on the bridge body and on the stairs from the surface of the stairs by utilizing the self gradient of the bridge body and the stairs.

In view of the above-mentioned related technologies, the inventor believes that the accumulated water is easy to overflow from the bridge body and the stair surface and splash to the road surface, which affects the passage of pedestrians and vehicles.

SUMMERY OF THE UTILITY MODEL

In order to solve the problem of the drainage of the pontic and the stair, the application provides a pedestrian overpass drainage system.

The application provides a pedestrian overpass drainage system adopts following technical scheme:

a pedestrian overpass drainage system comprises railing bases arranged on two sides of a stair, wherein a water collecting channel is arranged inside each railing base and is arranged along the inclined direction of the stair; the side face, close to the stairs, of the railing base is provided with a plurality of drain holes, and the drain holes are communicated with the upper surface of the stairs and the water collecting channel.

By adopting the technical scheme, the accumulated water on the stairs is drained into the water collecting channel through the drain holes communicated with the upper surface of the stairs, and the water in the water collecting channel is drained to the ground along the gradient of the stairs, so that the accumulated water is drained through the water collecting channel, and the effects of overflowing the accumulated water from the bridge body and the surface of the stairs and splashing the accumulated water to the road surface are reduced.

Preferably, the pontic of pedestrian overpass is close to the edge and all is equipped with water drainage tank along length, width direction, water drainage tank bottom is equipped with the outlet with the water catch bowl intercommunication.

Through adopting above-mentioned technical scheme, during ponding on the bridge body can be arranged to the water drainage tank, is discharged into the water catch bowl through the outlet of locating the water drainage tank bottom by the water drainage tank again, and when the rainfall is great, ponding is more on the bridge body, the water drainage tank can store the ponding of following the bridge body and draining into, has the effect of alleviating the bridge body ponding.

Preferably, the bridge body is provided with a clamping groove right above the drainage groove, and a grid plate is placed on the clamping groove.

Through adopting above-mentioned technical scheme, the grid tray blocks rubbish such as leaf, makes rubbish be difficult for getting into the water drainage tank and causes the outlet jam, has the effect that prevents that the pedestrian from falling into the water drainage tank simultaneously.

Preferably, a water collecting funnel is arranged below the water drainage groove in the bridge body, the water collecting funnel corresponds to the position of the water drainage port, and one end, far away from the water drainage port, of the water collecting funnel is communicated with the water drainage pipe.

Through adopting above-mentioned technical scheme, when the rainfall is great when leading to the flow of ponding great, the water in the water drainage tank drains into the drain pipe through the funnel that catchments, can store among the funnel that catchments partly water after the drain pipe discharge, make the water in the drain pipe difficult backward flow, have the effect of alleviating drain pipe drainage pressure.

Preferably, railing base and stair pass through joint strip, joint hole spacing each other, the side that stair are close to railing base is equipped with the joint strip, the position that railing base side corresponds the joint strip is equipped with the joint hole, joint strip and the cooperation of joint hole joint.

Through adopting above-mentioned technical scheme, when the joint hole of railing base was blocked mutually with the joint strip of stair, railing base can be spacing in the stair side, and the joint strip has certain bearing effect, makes railing base be difficult for receiving the action of gravity to shift, strengthens the relation of connection between railing base and the stair.

Preferably, the part that the one end that the railing base is close to the stair top extends to the bridge side is the extension section base, the extension section base passes through the fastener and is connected with the bridge, and the fastener comprises mutually perpendicular's first connecting plate and second connecting plate, and the top surface of extension section base is located to first connecting plate, and the one end that the extension section base was stretched out to first connecting plate is connected to the second connecting plate, and the position that the bridge is close to the extension section base is equipped with the rectangular channel with second connecting plate shape looks adaptation.

Through adopting above-mentioned technical scheme, when arranging the fastener in the rectangular channel, toward on the fastener and in the rectangular channel cement of watering, after cement solidifies, the fastener can be fixed in the rectangular channel, has the effect of being fixed in the bridge with the extension base.

Preferably, the top surface of the water collection funnel is provided with a floor drain.

Through adopting above-mentioned technical scheme, the floor drain is located catchment funnel top and is laminated with catchment funnel upper surface, and the floor drain can block that rubbish gets into and get into the drain pipe behind the catchment funnel, has the effect of prevention drain pipe jam.

Preferably, the drain hole is provided with a filter screen.

By adopting the technical scheme, the filter screen at the drain hole enables garbage such as leaves and the like not to easily enter the drain hole, and the blockage of the drain hole is reduced.

In summary, the present application includes at least one of the following beneficial technical effects:

1. the accumulated water on the stairs is drained into the water collecting channel through the drain holes communicated with the upper surface of the stairs, the water in the water collecting channel is drained to the ground along the gradient of the stairs, and the effect of draining the accumulated water through the water collecting channel to reduce the overflow of the accumulated water from the bridge body and the surface of the stairs and the splashing of the accumulated water to the road surface is achieved;

2. the accumulated water on the bridge body can be drained into the drainage groove and then drained into the water collecting groove through the drainage port arranged at the bottom of the drainage groove, when the rainfall is large and the accumulated water on the bridge body is large, the drainage groove can store the accumulated water drained from the bridge body, and the effect of relieving the accumulated water on the bridge body is achieved;

3. when the joint hole of railing base and the joint strip looks joint of stair, railing base can be spacing in the stair side, and the joint strip has certain bearing effect, makes railing base be difficult for receiving the action of gravity aversion, strengthens the relation of connection between railing base and the stair.

Drawings

FIG. 1 is a schematic view of the overall structure of a drainage system of a pedestrian bridge according to an embodiment of the present application;

FIG. 2 is a cross-sectional view of a staircase according to an embodiment of the present application;

FIG. 3 is an enlarged view of portion A of FIG. 2 in an embodiment of the present application;

figure 4 is a cross-sectional view of the bridge and the base of the extender in an embodiment of the present application.

Description of reference numerals: 1. a pedestrian overpass; 2. a bridge body; 3. a staircase; 4. a railing base; 5. a railing; 6. a clamping strip; 7. a clamping hole; 8. a through hole; 9. a water collecting channel; 10. a drain hole; 11. a water collection hole; 12. filtering with a screen; 13. an extension section base; 14. a fastener; 15. a first connecting plate; 16. a second connecting plate; 17. a rectangular groove; 18. a water discharge tank; 19. a clamping groove; 20. a grid plate; 21. a water outlet; 22. a water collection funnel; 23. a floor drain; 24. a drain pipe; 25. a water collection port; 26. and (5) discharging a water pipe.

Detailed Description

The present application is described in further detail below with reference to figures 1-4.

The embodiment of the application discloses pedestrian overpass drainage system. Referring to fig. 1, pedestrian overpass 1 includes pontic 2 and stair 3, and the upper surface of pontic 2 is equipped with railing 5, and the plane at stair 3 both sides is connected with railing base 4, also is provided with railing 5 on the top surface of railing base 4, and the bottom surface of railing base 4 is located the coplanar with the bottom surface of stair 3, and the length direction of railing base 4 sets up along the slope direction of stair 3 bottom surfaces.

Referring to fig. 2 and 3, a clamping strip 6 extends outwards from one side of the stair 3 close to the railing base 4, and the clamping strip 6 is perpendicular to the side face of the stair 3. The position that the side of railing base 4 is close to stair 3 corresponds joint strip 6 has preset joint hole 7, and railing base 4 is fixed through joint strip 6, joint hole 7 joint with stair 3.

Referring to fig. 2, a through hole 8 is preset in the railing base 4, the cross section of the through hole 8 is rectangular, and the through hole 8 is arranged along the length direction of the railing base 4 and is parallel to the bottom surface of the railing base 4. The through hole 8 is arranged in the railing base 4, a water collecting channel 9 is arranged on the through hole, the water collecting channel 9 is a stainless steel hollow cylinder with a rectangular cross section, and the outer side wall of the water collecting channel 9 is abutted to the hole wall of the through hole 8. The water collecting channel 9 is positioned at a position close to the bottom surface of the railing base 4, and the height of the water collecting channel 9 is lower than that of the upper surface of the stair 3.

Referring to fig. 2 and 3, a plurality of drain holes 10 are formed in the side wall of the handrail base 4 close to the stairs 3, a water collecting hole 11 is formed in the side surface of the water collecting channel 9 corresponding to each drain hole 10, and the water collecting holes 11 are connected with the drain holes 10 through water pipes. The drain hole 10 is disposed corresponding to each step of the staircase 3, the cross section of the drain hole 10 is circular, the orifice portion of the drain hole 10 is located above the upper surface of the corresponding step, and the drain hole 10 is located above the water collecting hole 11.

Referring to fig. 2 and 3, a filter screen 12 is disposed on the side wall of the balustrade base 4 at the drainage hole 10, so that garbage such as leaves is not easy to enter the drainage hole 10 and cause blockage. When water is accumulated on the stairs 3, the accumulated water flows into the water collecting channel 9 from the water discharging holes 10 through the water pipes and then flows into the water collecting holes 11, one side of the water collecting channel 9 close to the ground is connected with the municipal sewer through the water discharging pipe 26 (see figure 1), and the accumulated water on the stairs is discharged into the municipal sewer along with the water collecting channel 9.

Referring to fig. 1, the part of the handrail base 4 extending to the side of the bridge 2 at the top of the staircase 3 is an extension base 13, the top surface of the extension base 13 is also provided with a handrail 5, and the handrail 5 of the extension base 13 is connected with the upper surface of the bridge 2 and the handrail 5 on the top surface of the handrail base 4.

Referring to fig. 4, the water collection channel 9 extends into the extension base 13.

Referring to fig. 4, the extension base 13 is clamped and fixed with the bridge body 2 through the clamping piece 14. Fastener 14 is located the upper surface of extension base 13, and fastener 14 comprises mutually perpendicular's first connecting plate 15 and second connecting plate 16, and the top surface of extension base 13 is connected to first connecting plate 15, and second connecting plate 16 is connected in the one end that first connecting plate 15 stretches out extension base 13, and second connecting plate 16 is located one side that first connecting plate 15 is close to pontic 2, and has the interval that is greater than 5cm between the lateral wall that second connecting plate 16 and extension base 13 are close to pontic 2. The bridge body 2 is provided with a rectangular groove 17, the second connecting plate 16 is inserted into the rectangular groove 17, and a space for enabling the second connecting plate 16 to move towards one side of the bridge body 2 is preset in the rectangular groove 17 so that the clamping strip 6 is correspondingly inserted into the clamping hole 7; when arranging second connecting plate 16 in rectangular channel 17, make joint strip 6 correspond to joint hole 7, move railing base 4 to the 2 directions of pontic along 6 axial of joint strip, second connecting plate 16 slides in rectangular channel 17, after joint strip 6 inserts completely and locates in joint hole 7, toward rectangular channel 17 in-pour cement, make fastener 14 fix in rectangular channel 17 after cement solidifies to it is fixed mutually with pontic 2 to make extension base 13.

Referring to fig. 4, the drainage grooves 18 are preset in the positions, close to the edges of the upper surface of the bridge body 2, of the bridge body along the length direction and the width direction, the drainage grooves 18 are communicated with each other, the drainage grooves 18 can temporarily store accumulated water drained from the upper surface of the bridge body 2, the accumulated water pressure of the bridge body 2 is relieved, a drainage port 21 is preset in the bottom surface of the drainage groove 18, close to the extension section base 13, of the bridge body 2, and the drainage port 21 is used for draining accumulated water in the drainage grooves 18 into the water collecting channel 9.

Referring to fig. 4, a clamping groove 19 is arranged right above the water drainage groove 18 on the bridge body 2, the clamping groove 19 is communicated with the bridge body 2, and the notch of the clamping groove 19 is larger than that of the water drainage groove 18. The bridge body 2 is provided with a grid plate 20, the grid plate 20 is clamped with the clamping groove 19, the upper surface of the grid plate 20 is flush with the upper surface of the bridge body 2, the grid plate 20 is provided with openings, and the grid plate 20 is used for blocking garbage and preventing pedestrians from falling into the drainage groove 18.

Referring to fig. 4, a water collecting funnel 22 is arranged below the bridge body 2 and close to the water outlet 21, a clamping groove is formed in the inner side wall of the water collecting funnel 22 and close to the water discharge groove 18, the clamping groove is communicated with the end face of the water collecting funnel 22 and close to the water discharge groove 18, a floor drain 23 is clamped above the clamping groove, and the floor drain 23 is used for blocking garbage.

Referring to fig. 4, one end of the water collection funnel 22, which is far away from the floor drain 23, is connected with a drain pipe 24, the drain pipe 24 is preset in the bridge body 2, when the rainfall is large and the flow of accumulated water is large, part of water stored in the water collection funnel 22 is drained into the drain pipe 24, and the water collection funnel 22 plays a role in buffering, so that the water in the drain pipe 24 is not easy to flow backwards. The side wall of the water collecting channel 9 close to the bridge body 2 is provided with a water collecting opening 25, the drain pipe 24 is communicated with the water collecting channel 9 through the water collecting opening 25, so that the drain pipe 24 is communicated with the water collecting channel 9, and rainwater can be drained into the water collecting channel 9 from the drain tank 18 through the drain pipe 24.

The implementation principle of a pedestrian overpass drainage system in the embodiment of the application is as follows: when raining, the accumulated water on the upper surface of the bridge body 2 is drained into the drainage groove 18 and temporarily stored, and flows into the water collecting channel 9 from the drainage port 21 at the bottom of the drainage groove 18 through the drainage pipe 24; the ponding on stair 3 is arranged into water collecting channel 9 by the wash port 10 on corresponding each grade ladder, and water collecting channel 9 utilizes the slope difference in height with ponding along the slope of water collecting channel 9 arrange in the municipal sewer on ground, reaches to discharge ponding through water collecting channel 9 to reduce the ponding and spill over, spill over to the effect on road surface by the bridge body 2, stair 3 surface.

The above embodiments are preferred embodiments of the present application, and the protection scope of the present application is not limited by the above embodiments, so: all equivalent changes made according to the structure, shape and principle of the present application shall be covered by the protection scope of the present application.

Claims

1. The utility model provides a pedestrian overpass drainage system which characterized in that: the stair railing is characterized by comprising railing bases (4) arranged on two sides of a stair (3), wherein a water collecting channel (9) is arranged inside each railing base (4), and the water collecting channel (9) is arranged along the inclined direction of the stair (3); the side face, close to the stair (3), of the railing base (4) is provided with a plurality of drain holes (10), and the drain holes (10) are communicated with the upper surface of the stair (3) and a water collecting channel (9).

2. The pedestrian overpass drainage system of claim 1, wherein: the upper surface of the bridge body (2) is close to the edge and is provided with a drainage groove (18) along the length direction and the width direction, and the bottom of the drainage groove (18) is provided with a drainage port (21) communicated with the water collecting channel (9).

3. The pedestrian overpass drainage system of claim 2, wherein: the bridge body (2) is provided with a clamping groove (19) right above the drainage groove (18), and the clamping groove (19) is matched with a grid plate (20) in a clamping manner.

4. The pedestrian overpass drainage system of claim 2, wherein: the bridge body (2) is internally provided with a water collecting funnel (22) below the drainage groove (18), the water collecting funnel (22) corresponds to the position of the drainage port (21), and one end, away from the drainage port (21), of the water collecting funnel (22) is communicated with the water collecting channel (9) through a drainage pipe (24).

5. The pedestrian overpass drainage system of claim 1, wherein: stair (3) are close to the side of railing base (4) and are equipped with joint strip (6), the position that corresponds joint strip (6) in railing base (4) side is equipped with joint hole (7), joint strip (6) and joint hole (7) joint cooperation.

6. The pedestrian overpass drainage system of claim 1, wherein: railing base (4) are close to the one end at stair (3) top and extend to the part of pontic (2) side for extending section base (13), extend section base (13) and be connected with pontic (2) through fastener (14), fastener (14) comprise mutually perpendicular's first connecting plate (15) and second connecting plate (16), the top surface of extending section base (13) is located in first connecting plate (15), the one end that extends section base (13) is connected in first connecting plate (15) in second connecting plate (16), and position that pontic (2) are close to extending section base (13) is equipped with second connecting plate (16) joint complex rectangular channel (17).

7. The pedestrian overpass drainage system of claim 4, wherein: and a floor drain (23) is arranged on the top surface of the water collection funnel (22).

8. The pedestrian overpass drainage system of claim 1, wherein: a filter screen (12) is arranged at the position of the stair (3) corresponding to the drain hole (10).