CN216074721U - Bridge expansion joint rainwater drainage device - Google Patents
Bridge expansion joint rainwater drainage device Download PDFInfo
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- CN216074721U CN216074721U CN202122497578.0U CN202122497578U CN216074721U CN 216074721 U CN216074721 U CN 216074721U CN 202122497578 U CN202122497578 U CN 202122497578U CN 216074721 U CN216074721 U CN 216074721U
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- expansion joint
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Abstract
The utility model discloses a rainwater drainage device for a bridge expansion joint, which comprises an expansion joint body, wherein reverse flow water channels are arranged on the left side and the right side in the expansion joint body, a groove is formed below each reverse flow water channel, one end, close to the inner side, of the groove is connected with a water diversion belt, reinforcing steel bar frames are fixedly inserted into the left side and the right side of the outer side of the expansion joint body, transition mechanisms are embedded and installed below the two ends of each water diversion belt, and a flow groove is formed in the surface of each transition mechanism. According to the utility model, a plurality of groups of drain holes are arranged in the groove, rainwater is drained by the drain holes and is discharged downwards, the rainwater drained by the drain holes is drained by the transition mechanism until the rainwater is led to the bottom groove of the bowl, the cutting plate is positioned at the top end of the drain holes, and the cross section of water flow can be changed by utilizing the inclination angle of the cutting plate, so that the flow speed of the water flow is accelerated, and the problem of unsmooth drainage of the drain holes due to overlarge water pressure is avoided.
Description
Technical Field
The utility model belongs to the technical field of bridges, and particularly relates to a rainwater drainage device for a bridge expansion joint.
Background
The bridge is the infrastructure road construction in the city, can see the bridge in many places, and the bridge has important meaning in road traffic and economic development, and the bridge is at the construction in-process, in order to avoid the bridge to take place to warp, can install the expansion joint and adapt to the deformation buffering of bridge self, consequently, the expansion joint is important also an indispensable constructional device in the bridge overall structure, and the expansion joint has also played the effect of carrying out the drainage to the road surface rainwater simultaneously.
Publication No. CN104278626A proposes a rainwater drainage device for a bridge expansion joint, which comprises a water stop positioned in the expansion joint, wherein the rubber water stop is provided with a slope, and a drain pipe is externally connected to a lower position of the water stop so as to drain rainwater in the water stop. In the above scheme, although set up the waterstop, the waterstop is too near from ground distance, and the bridge floor will be overflowed from the expansion joint to the rainwater flow increase, leads to bridge floor ponding easily, can not in time discharge the drainage.
Therefore, the rainwater drainage device for the bridge expansion joint is provided for solving the problems.
SUMMERY OF THE UTILITY MODEL
Aiming at the problems, the utility model provides the rainwater drainage device for the bridge expansion joint, which can guide rainwater to be discharged downwards and reduce the rainwater overflowing from the bridge floor.
In order to achieve the purpose, the utility model adopts the following technical scheme:
the utility model provides a bridge expansion joint rainwater drainage device, includes the expansion joint body, the inside left and right sides of expansion joint body all is provided with palirrhea water course, and sets up the recess in the below of palirrhea water course, the one end that is close to the inboard of recess is connected with the drainage area, the outside left and right sides of expansion joint body all is fixed the interlude has the reinforcing bar frame, transition mechanism is installed to drainage area both ends below gomphosis, and the surface of transition mechanism has seted up the chute, the inboard of transition mechanism is connected with the bowl kerve, and the inner wall of bowl kerve installs the water-blocking plate, the small opening has been seted up on the surface of water-blocking plate, be connected with the support between water-blocking plate and the bowl kerve.
In the rainwater drainage device for the bridge expansion joint, the groove is internally provided with the drain hole, the cutting plate and the drainage plate, the cutting plate is embedded in the inner wall of the top end of the drain hole, and the drainage plates are arranged on the left side and the right side of the inner wall of the drain hole.
In the above-mentioned bridge expansion joint rainwater drainage device, the wash port evenly distributes along the horizontal direction of recess equidistance, and the inclination between cutting board and the wash port is 45 degrees.
In the rainwater drainage device for the bridge expansion joint, the surface of the drainage belt comprises the guide groove, the upper flow holes and the lower flow holes, the upper flow holes are formed in the left side and the right side of the guide groove, and the lower flow holes are formed in the lower end of the surface of the drainage belt.
In the rainwater drainage device for the bridge expansion joint, the positions of the upper flow hole and the lower flow hole correspond up and down, and the upper flow hole is communicated with the lower flow hole.
In the above bridge expansion joint rainwater drainage device, the bottom surface of the bowl bottom groove comprises a drainage groove, an inclined water channel and a drainage pipe, the inclined water channel is formed in the drainage groove, and one end of the drainage groove is connected with the drainage pipe.
Compared with the prior art, the utility model has the beneficial effects that:
1. the plurality of groups of drain holes are formed in the groove, rainwater is drained through the drain holes and is drained downwards, the rainwater drained through the drain holes is drained through the transition mechanism until the rainwater is led to the bottom groove of the bowl, the cutting plate is positioned at the top end of the drain holes, the cross section of the water flow can be changed by using the inclination angle of the cutting plate, the flow speed of the water flow is further accelerated, and the problem that the drain holes are unsmooth in drainage due to overlarge water pressure is avoided;
2. the rainwater drainage device has the advantages that the rainwater drainage belt is favorable for guiding rainwater, the rainwater drainage belt adopts an arc design arched upwards, retention of rainwater on the rainwater drainage belt can be reduced, rainwater can be quickly drained downwards along the arc surface, the rainwater on the surface of the rainwater drainage belt can be drained in a layered mode through the arrangement of the upper flow holes and the lower flow holes, the problem that the drainage speed of the guide groove is influenced due to overlarge flow is avoided, rainwater can be drained through the guide groove on one hand, and on the other hand, rainwater can enter the inner portion of the rainwater drainage belt through the upper flow holes and can be drained from the lower flow holes due to the fact that the upper flow holes and the lower flow holes are communicated with each other, and rainwater can be drained in a layered mode;
3. through the setting of drainage groove, can draw the rainwater to the drain pipe, the rainwater is drawn forth to the last rethread drain pipe, is provided with the slope water course in drainage groove's inside for drainage groove's inside is highly inconsistent, and the height that highly is less than drainage groove of slope water course is favorable to carrying out the drainage to the rainwater like this and discharges.
Drawings
Fig. 1 is a schematic structural view of a rainwater drainage device for a bridge expansion joint according to the present invention;
FIG. 2 is a schematic view of a surface structure of a water guiding belt of the rainwater drainage device for a bridge expansion joint according to the present invention;
FIG. 3 is a schematic view of the internal structure of a bowl bottom trough of the rainwater drainage device for bridge expansion joints according to the present invention;
FIG. 4 is a schematic view of an internal cross-sectional structure of a groove of the rainwater drainage device for a bridge expansion joint according to the present invention;
fig. 5 is a schematic structural view of a water-blocking plate of the rainwater drainage device for a bridge expansion joint according to the present invention.
In the figure: 1. an expansion joint body; 2. a reverse flow water channel; 3. a groove; 301. a drain hole; 302. cutting a plate; 303. a drainage plate; 4. a water diversion belt; 401. a guide groove; 402. an up-flow hole; 403. a down flow hole; 5. a reinforcing steel bar frame; 6. a transition mechanism; 7. a launder; 8. a bowl bottom groove; 801. a drainage groove; 802. an inclined water channel; 803. a drain pipe; 9. a water-blocking plate; 10. a leak hole; 11. and (4) a bracket.
Detailed Description
The technical solutions in the embodiments of the present invention will be clearly and completely described below with reference to the drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments.
Referring to fig. 1-5, a rainwater drainage device for a bridge expansion joint comprises an expansion joint body 1, wherein the left side and the right side inside the expansion joint body 1 are both provided with a backflow water channel 2, a groove 3 is arranged below the backflow water channel 2, one end of the groove 3 close to the inner side is connected with a water diversion strip 4, the left side and the right side outside the expansion joint body 1 are both fixedly inserted with a reinforcing steel bar frame 5, a transition mechanism 6 is embedded and installed below the two ends of the water diversion strip 4, the surface of the transition mechanism 6 is provided with a flow groove 7, the inner side of the transition mechanism 6 is connected with a bowl bottom groove 8, the inner wall of the bowl bottom groove 8 is provided with a water stop plate 9, the surface of the water stop plate 9 is provided with a leakage hole 10, a support 11 is connected between the water stop plate 9 and the bowl bottom groove 8, the water diversion strip 4 is installed on the inner side of the expansion joint body 1, rainwater is drained by utilizing the water diversion strip 4, the arrangement of the traditional design is changed, drainage is guided to the rainwater, avoids the rainwater to spill over the bridge floor, and the setting of bowl kerve 8 through the rainwater of the drainage of drainage area 4 can get into in the bowl kerve 8, and bowl kerve 8 is located the bottommost of whole expansion joint body 1, keeps away from the bridge floor, can not cause the rainwater to flow backward and spill over the bridge floor because of being too close with the bridge floor distance like this.
The inside of recess 3 is including wash port 301, cutting plate 302 and drainage plate 303, and the cutting plate 302 is installed to the top inner wall gomphosis of wash port 301, and both sides all are provided with drainage plate 303 about the inner wall of wash port 301, through being provided with multiunit wash port 301 in the inside of recess 3, utilize wash port 301 to come to carry out the drainage to the rainwater and arrange down, the rainwater through wash port 301 drainage, can rethread transition mechanism 6 carry out the drainage, until leading the rainwater to on the position of bowl kerve 8.
The drain hole 301 is evenly distributed along the horizontal direction of the groove 3 at equal intervals, the inclination angle between the cutting plate 302 and the drain hole 301 is 45 degrees, the cutting plate 302 is positioned at the top end of the drain hole 301, the cross section of water flow can be changed by utilizing the inclination angle of the cutting plate 302, the flow speed of the water flow is further accelerated, the water pressure is prevented from being too large, and the drain hole 301 is prevented from draining smoothly.
The surface of diversion area 4 is including guiding groove 401, last discharge orifice 402 and downflow hole 403, and the left and right sides of guiding groove 401 all is provided with last discharge orifice 402, and the surperficial lower extreme of diversion area 4 is provided with downflow hole 403, through the setting of diversion area 4, is favorable to playing the effect of guide to the rainwater, what diversion area 4 adopted is the arc design of upwards arching, can reduce the rainwater and be detained on diversion area 4, and then let the rainwater arrange down along curved surface fast.
The positions of the upper flow hole 402 and the lower flow hole 403 correspond up and down, the upper flow hole 402 and the lower flow hole 403 are communicated with each other, the upper flow hole 402 and the lower flow hole 403 are arranged, rainwater on the surface of the water diversion belt 4 can be drained in a layered mode, the flow is prevented from being overlarge, the drainage speed of the guide groove 401 is influenced, the rainwater can be drained through the guide groove 401 on one hand, the rainwater can enter the inner portion of the water diversion belt 4 through the upper flow hole 402 on the other hand, and the rainwater can be drained from the lower flow hole 403 due to the fact that the upper flow hole 402 and the lower flow hole 403 are communicated with each other, and therefore rainwater is drained in a layered mode.
The bottom surface of the bowl bottom groove 8 comprises a drainage groove 801, an inclined water channel 802 and a drainage pipe 803, the inclined water channel 802 is formed in the drainage groove 801, one end of the drainage groove 801 is connected with the drainage pipe 803, the rainwater can be guided to the drainage pipe 803 through the drainage groove 801, the rainwater is guided out through the drainage pipe 803, the inclined water channel 802 is formed in the drainage groove 801, the height of the inside of the drainage groove 801 is not consistent, the height of the inclined water channel 802 is lower than that of the drainage groove 801, and drainage of the rainwater are facilitated.
The operating principle of the present invention will now be described as follows:
when in use, firstly, when rainwater enters the interior of the expansion joint body 1, the rainwater can be guided by the drainage belt 4 firstly, on one hand, the rainwater can be guided and drained by the guide groove 401, on the other hand, the rainwater can enter the interior of the drainage belt 4 through the upper flow hole 402, because the upper flow hole 402 and the lower flow hole 403 are communicated with each other, the rainwater can be drained from the lower flow hole 403, the drained rainwater can enter the drain hole 301 in the groove 3, the cross section of the rainwater can be changed by utilizing the inclination angle of the cutting plate 302, so as to accelerate the flow rate of the rainwater, the rainwater drained through the drain hole 301 can be drained by the transition mechanism 6 until the rainwater is led to the position of the bowl bottom groove 8, then, the rainwater can permeate into the drain groove 801 at the bottom of the bowl bottom groove 8 through the drain hole 10 formed on the surface of the water blocking plate 9, and the water blocking plate 9 can avoid the confluence of the rainwater drained at two ends, the water pressure is increased, and the rainwater can be guided to the drain pipe 803 through the arrangement of the drain groove 801 and finally guided out through the drain pipe 803.
The above description is only for the preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art should be considered to be within the technical scope of the present invention, and equivalent alternatives or modifications according to the technical solution of the present invention and the inventive concept thereof should be covered by the scope of the present invention.
Claims (6)
1. A rainwater drainage device for a bridge expansion joint comprises an expansion joint body (1) and is characterized in that, the left side and the right side of the interior of the expansion joint body (1) are both provided with a counter-flow water channel (2), a groove (3) is arranged below the counter-flow water channel (2), one end of the groove (3) close to the inner side is connected with a water guide belt (4), reinforcing steel bar frames (5) are fixedly inserted in the left side and the right side of the outer side of the expansion joint body (1), a transition mechanism (6) is embedded and installed below the two ends of the water diversion belt (4), a runner (7) is arranged on the surface of the transition mechanism (6), the inner side of the transition mechanism (6) is connected with a bowl bottom groove (8), and the inner wall of the bowl bottom groove (8) is provided with a water-blocking plate (9), the surface of the water-blocking plate (9) is provided with a leak hole (10), and a bracket (11) is connected between the water-blocking plate (9) and the bowl bottom groove (8).
2. The rainwater drainage device for the bridge expansion joint according to claim 1, wherein the groove (3) comprises a drainage hole (301), a cutting plate (302) and a drainage plate (303), the cutting plate (302) is embedded in the inner wall of the top end of the drainage hole (301), and the drainage plate (303) is arranged on each of the left side and the right side of the inner wall of the drainage hole (301).
3. The rainwater drainage device for bridge expansion joints according to claim 2, wherein the drainage holes (301) are uniformly and equidistantly distributed along the horizontal direction of the groove (3), and the inclination angle between the cutting plate (302) and the drainage holes (301) is 45 degrees.
4. The rainwater drainage device for the bridge expansion joint according to claim 1, wherein the surface of the water drainage strip (4) comprises a guide groove (401), an upper flow hole (402) and a lower flow hole (403), the upper flow hole (402) is arranged on each of the left side and the right side of the guide groove (401), and the lower flow hole (403) is arranged at the lower end of the surface of the water drainage strip (4).
5. The rainwater drainage device for bridge expansion joints according to claim 4, wherein the positions of the upper flow hole (402) and the lower flow hole (403) correspond up and down, and the upper flow hole (402) and the lower flow hole (403) are communicated with each other.
6. The rainwater drainage device for the bridge expansion joint according to claim 1, wherein the bottom surface of the bowl bottom groove (8) comprises a drainage groove (801), an inclined water channel (802) and a drainage pipe (803), the inclined water channel (802) is formed in the drainage groove (801), and one end of the drainage groove (801) is connected with the drainage pipe (803).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122497578.0U CN216074721U (en) | 2021-10-18 | 2021-10-18 | Bridge expansion joint rainwater drainage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202122497578.0U CN216074721U (en) | 2021-10-18 | 2021-10-18 | Bridge expansion joint rainwater drainage device |
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| Publication Number | Publication Date |
|---|---|
| CN216074721U true CN216074721U (en) | 2022-03-18 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202122497578.0U Active CN216074721U (en) | 2021-10-18 | 2021-10-18 | Bridge expansion joint rainwater drainage device |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114922060A (en) * | 2022-05-30 | 2022-08-19 | 南京交通职业技术学院 | Bridge expansion joint device and using method thereof |
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2021
- 2021-10-18 CN CN202122497578.0U patent/CN216074721U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114922060A (en) * | 2022-05-30 | 2022-08-19 | 南京交通职业技术学院 | Bridge expansion joint device and using method thereof |
| CN114922060B (en) * | 2022-05-30 | 2024-05-28 | 南京交通职业技术学院 | Bridge expansion joint device and use method thereof |
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