CN210395131U - Double-layer pipe culvert for temporary bridge drainage - Google Patents
Double-layer pipe culvert for temporary bridge drainage Download PDFInfo
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- CN210395131U CN210395131U CN201920966187.9U CN201920966187U CN210395131U CN 210395131 U CN210395131 U CN 210395131U CN 201920966187 U CN201920966187 U CN 201920966187U CN 210395131 U CN210395131 U CN 210395131U
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- pipe culvert
- layer pipe
- culvert
- temporary
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- 238000011144 upstream manufacturing Methods 0.000 claims abstract description 7
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 25
- 239000000725 suspension Substances 0.000 abstract description 7
- 230000000694 effects Effects 0.000 abstract description 3
- 238000010276 construction Methods 0.000 description 5
- 239000011150 reinforced concrete Substances 0.000 description 3
- 239000004567 concrete Substances 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 230000009286 beneficial effect Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000000034 method Methods 0.000 description 1
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Abstract
The utility model provides a double-layer pipe culvert for temporary; the upstream end of the access bridge body is a branch side, and the downstream end of the access bridge body is a trunk side; an upper layer pipe culvert and a lower layer pipe culvert are sequentially arranged in the temporary bridge body, and outlets of the upper layer pipe culvert and the lower layer pipe culvert are positioned on the dry flow side; and the outlets of the upper-layer pipe culvert and the lower-layer pipe culvert are both provided with flap valves. The utility model discloses both can satisfy interim temporary suspension bridge place tributary water yield when low water level, let out through lower floor's pipe culvert, during the high water level, let out simultaneously through lower floor's pipe culvert and upper pipe culvert, can satisfy again when interim suspension bridge low reaches stem flow water level is higher than interim suspension bridge place tributary river course, flap valve self-closing under the water pressure effect prevents that the stem flow rivers from flowing backward to the tributary river course, avoids farmland and the local-style dwelling houses along the line to be submerged.
Description
Technical Field
The utility model relates to a double-deck pipe culvert that is used for interim suspension bridge drainage belongs to traffic engineering technical field.
Background
In the shore river highway engineering building process, often need stride across some small-size tributaries in the construction period, the most common mode is just construction temporary bridge, construction temporary bridge is guaranteeing current the time, still need to guarantee the normal earial river course of place and let out the flow, but when the rainy season arrives, the main current river course water yield that often the tributary of temporary bridge place was imported into is bigger, the water level is higher, often can form the backward flow to the tributary of temporary bridge place, cause tributary farmland and the local residence along the line to be submerged, implement behind the construction temporary bridge, this problem is more outstanding, and the construction temporary bridge commonly used at present does not have too good mode to deal with to this kind of condition, generally for satisfying the tributary earial drainage, often increase the size of drainage culvert, but this kind of mode does not play a role to the main current backward flow.
In the prior art, the core technology of the double-layer reinforced concrete box culvert disclosed in the chinese patent publication No. CN204662285U is to provide a three-dimensional crossing structure in which the upper part is a road, the middle part is a layer of tractor-ploughing channel, and the lower part is a water passing culvert when the road crosses a deeper gully and both sides of the gully have field channels, so as to avoid mutual interference between the passage of the road and pedestrians and the water passing culvert, and the application is different from the above patents in that a double-layer drainage culvert is provided at the temporary access bridge body, flap valves are provided at the tails of the culvert pipes, so as to smoothly discharge water from the river channel where the bridge is located, by improving the interior of the double-layer reinforced concrete box culvert on the basis of the double-layer reinforced concrete box culvert, when the water level of the main stream riverway at the downstream of the temporary bridge is higher, the flap valve is automatically closed, so that the main stream is prevented from flowing backward into the branch riverway at the upstream of the temporary bridge and submerging farmlands and residences at both banks.
SUMMERY OF THE UTILITY MODEL
In order to solve the technical problem, the utility model provides a double-deck pipe culvert for interim temporary bridge drainage, this double-deck pipe culvert for interim temporary bridge drainage can guarantee the tributary in the non-flood season and normally discharge into the mainstream, and when flood season mainstream water level was higher than the tributary, can prevent again that the mainstream river from flowing backward into the tributary.
The utility model discloses a following technical scheme can realize.
The utility model provides a double-layer pipe culvert for temporary; the upstream end of the access bridge body is a branch side, and the downstream end of the access bridge body is a trunk side; an upper layer pipe culvert and a lower layer pipe culvert are sequentially arranged in the temporary bridge body, and outlets of the upper layer pipe culvert and the lower layer pipe culvert are positioned on the dry flow side; and the outlets of the upper-layer pipe culvert and the lower-layer pipe culvert are both provided with flap valves.
And the lower layer pipe culvert and the upper layer pipe culvert are sequentially arranged at the bottom of the temporary bridge body from bottom to top.
The flap valve comprises a flap valve seat, one side of the flap valve seat is respectively connected with the outlets of the upper-layer pipe culvert and the lower-layer pipe culvert, and the other side of the flap valve seat is connected with a flap valve cover; the flap cover is connected with the flap seat through the flap connecting support lug, and a rubber pad is arranged on one side of the flap cover, which is in contact with the flap seat.
The upper layer pipe culvert and the lower layer pipe culvert are arranged in parallel.
The length of the upper-layer pipe culvert is shorter than that of the lower-layer pipe culvert.
The flap valve is connected with the upper-layer pipe culvert and the lower-layer pipe culvert through bolts.
The distance between the upper-layer pipe culvert and the lower-layer pipe culvert is not less than 30cm, and the distance between the upper-layer pipe culvert and the top of the temporary bridge body is not less than 50 cm.
The beneficial effects of the utility model reside in that: both can satisfy interim suspension bridge place tributary water yield when low water level, let down through lower floor's pipe culvert, during the high water level, let down simultaneously through lower floor's pipe culvert and upper pipe culvert, can satisfy again that when interim suspension bridge low reaches mainstream water level is higher than interim suspension bridge place tributary river course, flap valve self-closing under the water pressure effect prevents that the mainstream rivers from flowing backward to the tributary river course, avoids farmland and the local residence along the line to be submerged.
Drawings
Fig. 1 is a schematic structural diagram of the present invention;
in the figure: 1-bridge body, 2-upper layer pipe culvert, 3-lower layer pipe culvert, 4-flap gate, 41-flap gate seat, 42-flap gate connecting support lug, 43-flap gate cover and 44-rubber pad.
Detailed Description
The technical solution of the present invention is further described below, but the scope of the claimed invention is not limited to the described.
As shown in fig. 1, a double-layer pipe culvert for temporary bridge drainage comprises a temporary bridge body 1 arranged on a branch river channel; the upstream end of the access bridge body 1 is a branch flow side, and the downstream end is a main flow side; an upper layer pipe culvert 2 and a lower layer pipe culvert 3 are sequentially arranged in the temporary bridge body 1, and outlets of the upper layer pipe culvert 2 and the lower layer pipe culvert 3 are positioned on the dry flow side; and the outlets of the upper-layer pipe culvert 2 and the lower-layer pipe culvert 3 are both provided with flap valves 4.
The bottom of the temporary bridge body 1 is provided with a lower-layer pipe culvert 3 and an upper-layer pipe culvert 2 from bottom to top in sequence.
The flap valve 4 comprises a flap valve seat 41, one side of the flap valve seat 41 is respectively connected with the outlets of the upper-layer pipe culvert 2 and the lower-layer pipe culvert 3, and the other side of the flap valve seat 41 is connected with a flap valve cover 43; the flap cover 43 is connected with the flap seat 41 through the flap connecting support lug 42, and a rubber pad 44 is arranged on one side of the flap cover 43, which is in contact with the flap seat 41.
The upper layer pipe culvert 2 and the lower layer pipe culvert 3 are arranged in parallel.
The length of the upper-layer pipe culvert 2 is shorter than that of the lower-layer pipe culvert 3.
The flap valve 4 is respectively connected with the upper-layer pipe culvert 2 and the lower-layer pipe culvert 3 through bolts.
The distance between the upper-layer pipe culvert 2 and the lower-layer pipe culvert 3 is not less than 30cm, and the distance between the upper-layer pipe culvert 2 and the top of the access bridge body 1 is not less than 50 cm.
Preferably, the specific installation elevations and the specific installation quantities of the lower-layer pipe culvert 1 and the upper-layer pipe culvert 2 are determined according to the branch flow of the temporary bridge.
Preferably, the lower layer pipe culvert 1 and the upper layer pipe culvert 2 adopt concrete circular pipe culverts, and the strength of the concrete circular pipe culverts meets the requirements of relevant specification regulations and the design load.
Specifically, when the upstream water volume of the branch river channel where the access bridge body 1 is located is smaller, the flap valve 4 of the lower-layer pipe culvert 1 is opened under the action of the branch water flow, the river water flow is discharged through the lower-layer pipe culvert 1, and when the upstream water volume is larger, the flap valve 4 of the lower-layer pipe culvert 1 and the upper-layer pipe culvert 2 is opened under the action of the branch water flow, and meanwhile, the flap valve is discharged through the lower-layer pipe culvert 1 and the upper-layer pipe culvert 2.
Preferably, when meetting the condition that the mainstream water level is higher than the tributary water level, flap valve 4 self-closing under the water pressure effect prevents that the mainstream rivers from flowing backward to the tributary river course, avoids farmland and local-style dwelling houses along the line to be submerged.
Claims (7)
1. The utility model provides a double-deck pipe culvert that is used for interim temporary bridge drainage, is including setting up temporary bridge body (1) on the tributary river course, its characterized in that: the upstream end of the access bridge body (1) is a branch flow side, and the downstream end is a main flow side; an upper layer pipe culvert (2) and a lower layer pipe culvert (3) are sequentially arranged in the temporary bridge body (1), and outlets of the upper layer pipe culvert (2) and the lower layer pipe culvert (3) are positioned on the dry flow side; and the outlets of the upper layer pipe culvert (2) and the lower layer pipe culvert (3) are both provided with flap valves (4).
2. The double-layered culvert for temporary bridges of claim 1, wherein: the lower layer pipe culvert (3) and the upper layer pipe culvert (2) are sequentially installed at the bottom of the temporary bridge body (1) from bottom to top.
3. The double-layered culvert for temporary bridges of claim 1, wherein: the flap valve (4) comprises a flap valve seat (41), one side of the flap valve seat (41) is respectively connected with the outlets of the upper layer pipe culvert (2) and the lower layer pipe culvert (3), and the other side of the flap valve seat is connected with a flap valve cover (43); the flap door cover (43) is connected with the flap door seat (41) through a flap door connecting support lug (42), and a rubber pad (44) is arranged on one side of the flap door cover (43) which is in contact with the flap door seat (41).
4. The double-layered culvert for temporary bridges of claim 1, wherein: the upper layer pipe culvert (2) and the lower layer pipe culvert (3) are arranged in parallel.
5. The double-layered culvert for temporary bridges of claim 1, wherein: the length of the upper layer pipe culvert (2) is shorter than that of the lower layer pipe culvert (3).
6. The double-layered culvert for temporary bridges of claim 1, wherein: the flap valve (4) is respectively connected with the upper-layer pipe culvert (2) and the lower-layer pipe culvert (3) through bolts.
7. The double-layered culvert for temporary bridges of claim 1, wherein: the distance between the upper-layer pipe culvert (2) and the lower-layer pipe culvert (3) is not less than 30cm, and the distance between the upper-layer pipe culvert (2) and the top of the temporary bridge body (1) is not less than 50 cm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920966187.9U CN210395131U (en) | 2019-06-24 | 2019-06-24 | Double-layer pipe culvert for temporary bridge drainage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201920966187.9U CN210395131U (en) | 2019-06-24 | 2019-06-24 | Double-layer pipe culvert for temporary bridge drainage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN210395131U true CN210395131U (en) | 2020-04-24 |
Family
ID=70352085
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201920966187.9U Active CN210395131U (en) | 2019-06-24 | 2019-06-24 | Double-layer pipe culvert for temporary bridge drainage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN210395131U (en) |
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2019
- 2019-06-24 CN CN201920966187.9U patent/CN210395131U/en active Active
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