CN212561230U

CN212561230U - A kind of drainage culvert structure

Info

Publication number: CN212561230U
Application number: CN202020974917.2U
Authority: CN
Inventors: 罗绍蔚; 陈阳; 傅光柳; 曾龙天; 童金
Original assignee: Fujian Wanshan Water Conservancy And Hydropower Design Co ltd
Current assignee: Fujian Wanshan Water Conservancy And Hydropower Design Co ltd
Priority date: 2020-06-02
Filing date: 2020-06-02
Publication date: 2021-02-19
Anticipated expiration: 2030-06-02

Abstract

The utility model relates to a water discharge culvert structure, which relates to the technical field of water conservancy construction. The utility model comprises a culvert body, a water diversion pipe is arranged in the culvert body, a stilling pool is arranged at the exit of the culvert body, and the centerline of the stilling pool and the culvert body is consistent. , the side of the stilling pool away from the culvert body is provided with a connecting channel, and the centerline of the connecting channel and the centerline of the stilling pool form an included angle, and the bottom of the stilling pool is lower than the lower end of the diversion pipe. The utility model has the effect of slowing down the water flow speed at the outlet of the culvert body, making the water flow into a flooded state, and avoiding the erosion and damage to the connecting channel caused by the outlet water flow.

Description

Water drainage culvert structure

Technical Field

The utility model belongs to the technical field of the technique of water conservancy building and specifically relates to a culvert structure drains is related to.

Background

Because the water resource is unevenly distributed in time and space, a large amount of hydraulic engineering needs to be built for irrigation, drainage, waterlogging reduction and cross-drainage basin water transfer, and the normal operation of industrial, agricultural and people life is ensured. The culvert is a cave type water conservancy facility and is arranged in a drainage channel under a roadbed, one end of the culvert is communicated with a reservoir, and the other end of the culvert is communicated with an irrigation ditch.

Among the prior art, publication number CN 208604503U's patent discloses a culvert structure for hydraulic engineering, including water service mouth, water pipe mounting and working shaft, the water service mouth is located the both ends of culvert body, install the door frame on the connecting axle, and the internal surface of door frame is fixed with the filter screen, the inner wall of culvert body is opened there is the water sucking mouth, and the inside pipe that absorbs water that has preset of avris of culvert body to the pipe that absorbs water is connected with the pump that absorbs water, the inner wall surface mounting of culvert body has at a distance from the net, the inner wall at the culvert body is installed to the water pipe mounting, and water pipe mounting and outlet pipe are connected, working shaft and outlet pipe are connected, and install the sprinkler head on the outlet pipe. This culvert structure for hydraulic engineering can carry out effectual filtration to the rubbish in the rivers, ensures that rubbish can not a large amount of entering into the culvert, and it is more convenient to clear up, can carry out effectual row to water simultaneously and lead to can prevent the desiccation crack of culvert bottom, design is more reasonable.

The above prior art solutions have the following drawbacks: when water is discharged to an irrigation ditch through the culvert, the irrigation ditch, a farmland or other structures are easily eroded and damaged due to the high water flow speed at the outlet of the culvert.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing a culvert structure of draining, it has the effect of reducing the culvert and going out water and produce the erosion destruction to other structures to the not enough of prior art existence.

The above object of the present invention can be achieved by the following technical solutions: the utility model provides a culvert structure drains, includes the culvert body, this internal leading water pipe that is provided with of culvert, the exit of culvert body is provided with the pool that disappears, the pool that disappears is unanimous with the central line of culvert body, the one side that the culvert body was kept away from to the pool that disappears is provided with the connection canal, just the central line of connection canal and the central line in pool that disappears form the contained angle, the pool bottom that disappears is less than the lower extreme of leading water pipe.

By adopting the technical scheme, the arrangement of the stilling basin ensures that the speed of the flowing water flowing out of the water conduit in the culvert body is reduced, the flowing water is changed into a cross flow state, so that the erosion damage to structures near the culvert body, particularly the connecting channel after the flowing water flows out of the outlet of the culvert body is avoided, and the service life of the structures such as the connecting channel is prolonged.

The present invention may be further configured in a preferred embodiment as: the culvert body is kept away from in the pond of decontaminating, the one end of decontaminating the pond is provided with the pond of decontaminating, be provided with the sludge pump in the pond of decontaminating, the bottom in the pond of decontaminating is less than the pond bottom of decontaminating, be provided with the direction slope between pond of decontaminating and the pond of decontaminating, the slope of direction sets up.

Through adopting above-mentioned technical scheme, the setting on direction slope, the mud in the pond of being convenient for disappear gets into the pond of decontaminating, and the pond of decontaminating collects the back centralized processing with the mud in the pond of disappearing, avoids mud to store up in the pond of disappearing for a long time.

The present invention may be further configured in a preferred embodiment as: and a water stopping gate is arranged at the tail end of the stilling pool.

Through adopting above-mentioned technical scheme, the water that the interception sluice gate can intercept and get into the pond of decontaminating, conveniently clears up the mud in the pond of decontaminating.

The present invention may be further configured in a preferred embodiment as: and a water stop strip is arranged at the lower end of the water stop gate.

Through adopting above-mentioned technical scheme, the ability of cutting off the water of water gate can be strengthened to the sealing strip, reduces rivers and to the pond of decontaminating, can clear up the mud in the pond of decontaminating this moment, and clears up the pond of decontaminating.

The present invention may be further configured in a preferred embodiment as: and a water interception wall is arranged at the outlet of the culvert body and is obliquely arranged.

Through adopting above-mentioned technical scheme, the basement rock of culvert body can be consolidated to the position that the cut-off wall set up, plays the effect that prevents the culvert body and leak.

The present invention may be further configured in a preferred embodiment as: a protection slope is arranged above the water intercepting wall, and a loam layer, a geotextile layer, a broken stone cushion layer and a block stone cushion layer are sequentially arranged on the protection slope from bottom to top.

By adopting the technical scheme, the arrangement of the protection slope ensures that the structure above the culvert body is more stable, the seepage effect can be effectively achieved, and rainwater is prevented from accumulating above the culvert body to cause larger pressure on the culvert body; the loam intensity is high and light, can avoid it to cause great pressure to the cut-off wall after absorbing water, and the geotechnological cloth layer can play the anti-effect of oozing well, and the rainwater then can easily infiltrate in rubble bed course and block stone bed course.

The present invention may be further configured in a preferred embodiment as: and a sealing edge is arranged on the end surface of the upper end of the protection slope.

Through adopting above-mentioned technical scheme, the banding makes the structure of bank protection more firm.

The present invention may be further configured in a preferred embodiment as: the bank protection is the echelonment setting.

By adopting the technical scheme, the slope protection arranged in the ladder shape not only can save materials, but also has the buffer function,

the present invention may be further configured in a preferred embodiment as: and a trash rack is arranged at the inlet of the culvert body.

Through adopting above-mentioned technical scheme, floating garbage such as leaf, solid rubbish of trash can be intercepted to the trash rack, avoids floating garbage to get into and blocks up the leading pipe in the leading pipe.

To sum up, the utility model discloses a following at least one useful technological effect:

through the action of the stilling pool, flowing water at the outlet of the culvert body is changed into a diffused flow state, so that the erosion damage of culvert outlet water to a connecting channel, a farmland, a house or other structures is effectively reduced;

by arranging the sewage disposal tank, the sludge can be collected and then centralized, so that the residue of the sludge in the stilling tank is reduced;

through the setting of trash rack, can intercept floating garbage such as leaf, solid rubbish of culvert body entrance, avoid floating garbage to block up the leading water pipe.

Drawings

FIG. 1 is a schematic sectional view showing the overall structure of the present embodiment;

FIG. 2 is an enlarged schematic view of portion A of FIG. 1;

FIG. 3 is a cross-sectional view of the culvert body at the exit in this embodiment;

FIG. 4 is a top view of the culvert body outlet in this embodiment;

fig. 5 is a schematic structural view of the water cut-off gate in the present embodiment.

Reference numerals: 1. a culvert body; 11. reinforcing the grouting hole; 12. a trash rack; 2. a water conduit; 3. a stilling pool; 4. a water cut-off wall; 5. slope protection; 51. a layer of loam; 52. a geotextile layer; 53. a gravel cushion layer; 54. a stone block cushion layer; 55. sealing edges; 6. a gate valve well; 61. a service valve; 62. a working valve; 63. a tee joint; 64. a high canal; 65. a low channel; 7. a connecting channel; 8. a sewage disposal pool; 81. a sludge pump; 82. guiding a slope; 9. a water shut-off gate; 91. a water stop strip.

Detailed Description

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

Referring to the figure 1, for the utility model discloses a culvert structure drains, including culvert body 1, be provided with leading water pipe 2 in the culvert body 1, the entry linkage reservoir delivery port of culvert body 1, the exit linkage of culvert body 1 has stilling pool 3, can reduce the rivers speed of leading water pipe 2 exit outflow, lets rivers become the torrent state in stilling pool 3, irrigates the task in following the diversion in stilling pool 3 to other canals or farmland again.

Be provided with multichannel reinforcement grout hole 11 on the culvert body 1, reinforcement grout hole 11 endotheca is equipped with the rock core pipe, and the lower extreme and the leading water pipe 2 of rock core pipe are connected, and the upper end is exposed on the road surface, makes things convenient for the staff to carry out the operation of being in milk, injects clay grout in reinforcement grout hole 11, space around the supplementary leading water pipe 2.

With reference to fig. 2 and 3, the water interception walls 4 are arranged at the inlet and the outlet of the culvert body 1, the water interception walls 4 are obliquely arranged, and the water interception walls 4 are formed by pouring concrete, so that the stability and the safety of the inlet and the outlet structures of the culvert body 1 can be improved, and a good anti-seepage effect is achieved. The inlet of the culvert body 1 is provided with the trash rack 12 which can intercept solid floating garbage such as leaves in a reservoir and prevent the solid floating garbage from entering the water conduit 2 to block the water conduit 2.

Referring to fig. 3, be located the cut-off wall 4 top of culvert body 1 exit and be provided with bank protection 5, bank protection 5 sets gradually loam layer 51, geotechnological cloth layer 52, rubble bed course 53 and block stone bed course 54 from lower supreme, can play the infiltration well, prevent reverse infiltration and improve the effect of structural strength around the cut-off wall 4. And bank protection 5 is the echelonment and distributes, is provided with banding 55 on the horizontal plane of bank protection 5, and banding 55 adopts concrete placement to form, improves the overall structure stability of bank protection 5.

Referring to fig. 3 and 4, the stilling pool 3 coincides with the center line of the culvert body 1, and the bottom of the stilling pool 3 is lower than the lower surface of the penstock 2, i.e., water flowing out of the penstock 2 can be temporarily stored in the stilling pool 3. The exit of culvert body 1 is provided with gate valve well 6, is provided with service valve 61 and work valve 62 in the gate valve well 6, and service valve 61 and work valve 62 all communicate with leading water pipe 2, are convenient for inspect and overhaul leading water pipe 2. A tee joint 63 is arranged between the maintenance valve 61 and the working valve 62, one end of the tee joint 63 is communicated with the water conduit 2, and the other two ends of the tee joint are respectively externally connected with a high channel 64 and a low channel 65, so that the auxiliary maintenance function is achieved. The positions where the maintenance valve 61, the working valve 62 and the tee joint 63 are connected with the water conduit 2 are all provided with water stop rings, and the water stop rings adopt water-swelling rubber strips to play roles of sealing and preventing water seepage at the positions of pipeline connection.

One end of the stilling pool 3, which is far away from the water conduit 2, is provided with a connecting channel 7, the central line of the connecting channel 7 forms an included angle with the central line of the stilling pool 3, namely, the connecting channel 7 is arranged on the side surface of the stilling pool 3, and the connecting channel 7 is communicated with other irrigation channels and farmland channels to drain water flow to the place needing irrigation. One end of the stilling pool 3, which is far away from the water conduit 2, is provided with a sewage disposal pool 8, the bottom height of the sewage disposal pool 8 is lower than the bottom height of the stilling pool 3, and a sludge pump 81 is arranged in the sewage disposal pool 8. Because rivers are to speed slowdown in the absorption basin 3, mud in the rivers can deposit, along with the constantly promotion of rivers, mud gets into the pond 8 that decontaminates, is pumped to sludge treatment equipment by sludge pump 81 again and is handled.

A guide slope 82 is arranged between the sewage disposal pool 8 and the stilling pool 3, the guide slope 82 is obliquely arranged, the upper end of the guide slope 82 is connected with the stilling pool 3, the lower end of the guide slope 82 is connected with the sewage disposal pool 8, and sludge can flow to the sewage disposal pool 8 along the guide slope 82. The end of absorption basin 3 is provided with cuts water gate 9 (combine fig. 5), is provided with sealing rod 91 on the lower extreme of cutting water gate 9, and sealing rod 91 adopts and meets water inflation rubber strip, and the both sides of cutting water gate 9 respectively with two inside walls butt of absorption basin 3. When the sludge in the cleaning pond 8 needs to be cleaned, the water interception gate 9 is put down, the water flow in the stilling pond 3 is intercepted, the sludge is prevented from flowing into the cleaning pond 8 again, the sludge pump 81 is started, and the sludge in the cleaning pond 8 can be treated in a unified mode.

The implementation principle of the embodiment is as follows: water in the reservoir flows into a stilling pool 3 through a water conduit 2, solid floating garbage is intercepted by a trash rack 12 at the inlet of the culvert body 1, after the water flow enters the stilling pool 3, the water flow speed is slowed down and then is guided into other irrigation water channels through a connecting channel 7, and sludge in the stilling pool 3 enters a cleaning pool 8 through a guide slope 82; when the sludge in the cleaning pond 8 is accumulated to the required cleaning, the water interception gate 9 is put down, the sludge pump 81 is started, the sludge in the cleaning pond 8 is pumped out to the sludge treatment equipment for treatment, and after the cleaning is finished, the water interception gate 9 is lifted.

The embodiment of this specific implementation mode is the preferred embodiment of the present invention, not limit according to this the utility model discloses a protection scope, so: all equivalent changes made according to the structure, shape and principle of the utility model are covered within the protection scope of the utility model.

Claims

1. A water discharge culvert structure, comprising a culvert body (1), characterized in that: a water diversion pipe (2) is provided in the culvert body (1), and a stilling pool is provided at the exit of the culvert body (1) (3), the stilling pool (3) is consistent with the center line of the culvert body (1), the side of the stilling pool (3) away from the culvert body (1) is provided with a connecting channel (7), and the The center line of the connecting channel (7) forms an included angle with the center line of the stilling basin (3), and the bottom of the stilling basin (3) is lower than the lower end of the water diversion pipe (2).

2. A water discharge culvert structure according to claim 1, characterized in that: one end of the stilling pool (3) away from the culvert body (1) is provided with a cleaning pool (8), and the cleaning pool ( 8) A sludge pump (81) is provided inside, the bottom end of the cleaning tank (8) is lower than the bottom end of the stilling tank (3), and the distance between the cleaning tank (8) and the stilling tank (3) is A guide slope (82) is provided between, and the guide slope (82) is inclined.

3 . The water discharge culvert structure according to claim 2 , characterized in that: the end of the stilling pool ( 3 ) is provided with a water intercepting gate ( 9 ). 4 .

4 . The water discharge culvert structure according to claim 3 , wherein a water stop strip ( 91 ) is provided at the lower end of the water intercepting gate ( 9 ). 5 .

5 . The water discharge culvert structure according to claim 1 , wherein a water intercepting wall ( 4 ) is arranged at the exit of the culvert body ( 1 ), and the water intercepting wall ( 4 ) is inclined. 6 .

6 . The water discharge culvert structure according to claim 5 , wherein a slope protection ( 5 ) is arranged above the cut-off wall ( 4 ), and the slope protection ( 5 ) is sequentially arranged as a loam layer from bottom to top. 7 . (51), geotextile layer (52), crushed stone cushion (53) and block stone cushion (54).

7 . The water discharge culvert structure according to claim 6 , characterized in that: an edge seal ( 55 ) is provided on the upper end face of the slope protection ( 5 ). 8 .

8 . The water discharge culvert structure according to claim 7 , wherein the slope protection ( 5 ) is arranged in a stepped shape. 9 .

9 . The water discharge culvert structure according to claim 1 , wherein a trash rack ( 12 ) is arranged at the entrance of the culvert body ( 1 ). 10 .