CN216108549U - Side slope drainage device - Google Patents

Abstract

The utility model relates to the field of slope reinforcing and protecting structures, in particular to a slope drainage device which comprises a slope protecting wall, a slope drainage pipe, an outer drainage pipe, a capillary pipe, porous foam plastic, a permeation section and a grouting section. The slope body drain pipe is inclined upwards, the position of a water outlet at the bottom of the outer drain pipe is lower than the water inlet end of the slope body drain pipe, underground water in the slope body drain pipe is naturally drained from a capillary pipe under the action of a water head difference, negative pressure is formed in the slope body drain pipe under the action of siphoning, the underground water flows into the slope body drain pipe, when accumulated water in a high layer of the slope body drain pipe is drained completely, air enters the slope body drain pipe, the siphoning is eliminated, the water is drained in an intermittent circulating mode, and mechanical sludge is drained by the siphoning in the water drainage process; porous foamed plastic filters groundwater to the accessible overhauls the opening and follows the trade, prolongs the whole life of device.

Description

Side slope drainage device

Technical Field

The utility model relates to the field of slope reinforcing and protecting structures, in particular to a slope drainage device.

Background

Roads often adjoin slopes, and especially when the slopes are high, there are often slope stability and problems with scour. The slope constructed by earthwork of some sections is prolonged by the slope on the ground, the slope is originally unstable, the balance of roads is damaged or the runoff condition of surface water is changed by constructing the roads, the damage of the roads driven by the sliding or collapse of natural slopes is easily generated in rainy season, the scouring of the slope brings great engineering quantity to the road maintenance department, sometimes even influences the passing of the roads, so that the overall damage is caused by small defects, and the cheap preventive measures can be enough to prevent the large investment of capital and the generation of large damage. In order to drain accumulated water in the slope, the following drainage measures are generally adopted: burying drainage blind ditches, water pumping of a water collecting well, drainage of a bevel-up drainage hole and the like. The drainage ditch or drainage blind ditch on the earth surface is difficult to effectively drain the accumulated water in the slope body; the construction cost, the energy consumption and the maintenance cost of water pumping of the water collecting well are high; the oblique angle drainage hole is easy to be blocked in the drainage process, and therefore the oblique angle drainage hole is produced.

SUMMERY OF THE UTILITY MODEL

The utility model aims to provide a side slope drainage device to solve the problems in the background technology.

In order to solve the technical problems, the technical scheme adopted by the utility model is as follows: the utility model provides a side slope drainage device which characterized in that: the slope body drain pipe inclines upwards from a water inlet end to a water outlet end, water inlet holes are distributed in the side wall of the water inlet end of the slope body drain pipe along the circumferential direction, the water outlet end of the slope body drain pipe is embedded in the slope protection wall, the water outlet end of the drain pipe is connected with the water outlet end of the slope body drain pipe, the drain outer pipe extends downwards along the slope protection wall, the position of a water outlet at the bottom of the drain outer pipe is lower than the water inlet end of the slope body drain pipe, the capillary pipe is provided with a plurality of holes, the capillary pipe is placed in the slope body drain pipe, the porous foam plastic is sleeved between the inner wall of the water outlet end of the capillary pipe and the inner wall of the water outlet end of the slope body drain pipe, and the permeation section and the grouting section are sleeved outside the slope body drain pipe.

Preferably, the bottom of the side slope protection wall is provided with a water collecting tank.

Preferably, the side wall of the side slope protection wall is provided with a pipe groove for placing the outer drainage pipe.

Preferably, the slope body drain pipe inclines upwards at an angle of 10-15 degrees from the water inlet end to the water outlet end.

Preferably, the water inlet end of the slope body water drainage pipe is provided with a switching elbow pipe, and the slope body water drainage pipe is connected with the water drainage outer pipe through the switching elbow pipe.

Preferably, the switching elbow is provided with an access opening, the access opening is superposed with the axis of the slope body drain pipe, and the access opening is provided with an openable access cover.

Preferably, the infiltration section and the grouting section are sequentially arranged from the water inlet end to the water outlet end of the slope body drain pipe, and the water inlet holes of the infiltration section and the slope body drain pipe correspond to the porous foam plastic in position.

Preferably, the material of the penetration section is sand aggregate, and the material of the grouting section is concrete.

Preferably, a retainer for fixing each capillary tube is arranged in the slope body water drainage pipe, and a water drainage hole is formed in the retainer.

Preferably, the part of the capillary tube corresponding to the grouting section is made of a hard tube, and the part of the capillary tube corresponding to the porous foam plastic is made of a soft permeable tube.

From the above description, the slope drainage device provided by the utility model has the following beneficial effects: the slope body drain pipe is inclined upwards, the position of a water outlet at the bottom of the outer drain pipe is lower than the water inlet end of the slope body drain pipe, underground water in the slope body drain pipe is naturally drained from a capillary pipe under the action of a water head difference, negative pressure is formed in the slope body drain pipe under the action of siphoning, the underground water flows into the slope body drain pipe, when accumulated water in a high layer of the slope body drain pipe is drained completely, air enters the slope body drain pipe, the siphoning is eliminated, the water is drained in an intermittent circulating mode, and mechanical sludge is drained by the siphoning in the water drainage process; porous foamed plastic filters groundwater to the accessible overhauls the opening and follows the trade, prolongs the whole life of device.

Drawings

Fig. 1 is a cross-sectional view of a slope drainage apparatus of the present invention.

Fig. 2 is an enlarged view of a portion a of fig. 1.

Fig. 3 is an enlarged view of a portion b of fig. 1.

Fig. 4 is a schematic perspective view of the slope drainage device of the present invention.

Fig. 5 is a partial half-sectional view of fig. 4.

Fig. 6 is an enlarged view of a portion c of fig. 5.

Detailed Description

In order to make the technical means, the creation characteristics, the achievement purposes and the effects of the utility model easy to understand, the utility model is further described with the specific embodiments.

As shown in fig. 1 to 6, the slope drainage device of the utility model comprises a slope protection wall 1, a slope drainage pipe 2, an outer drainage pipe 3, a capillary pipe 4, porous foam plastic 5, a permeation section 6 and a grouting section 7. The slope body drain pipe 2 can be made of stainless steel pipes.

The bottom of the side slope protection wall 1 is provided with a water collecting tank 11. The side wall of the side slope protection wall 1 is provided with a pipe groove 12 for placing the outer drainage pipe 3. The side slope protection wall 1 is constructed by reinforced concrete, so that landslide caused by rain wash of heavy rain is avoided, and underground water discharged by the drainage outer pipes 3 is collected into the water collecting tank 11 to be discharged.

The slope body drain pipe 2 inclines upwards from the water inlet end to the water outlet end, and the angle of the slope body drain pipe 2 inclining upwards from the water inlet end to the water outlet end is 10-15 degrees. The side wall of the water inlet end of the slope body water drainage pipe 2 is provided with water inlet holes along the circumferential direction, the water outlet end of the slope body water drainage pipe 2 is embedded in the slope protection wall 1, the outer water drainage pipe 3 is connected with the water outlet end of the slope body water drainage pipe 2, the outer water drainage pipe 3 extends downwards along the slope protection wall 1, and the position of the water outlet at the bottom of the outer water drainage pipe 3 is lower than the water inlet end of the slope body water drainage pipe 2. When the water level elevation of the underground water is higher than the water outlet end of the slope body drain pipe 2, the underground water flows out of the slope body drain pipe 2 under the action of the water level difference and enters the drain outer pipe 3, the drainage of the underground water can be accelerated by the siphoning effect generated, and the mechanical blockage of sludge is avoided.

Capillary 4 is equipped with many, capillary 4 is placed inside slope body drain pipe 2, capillary 4 and slope body drain pipe 2's outlet end inner wall are located to porous foamed plastic 5 cover, capillary 4 is corresponding the part of slope body drain pipe 2 inlet opening, the length that is located capillary 4 of periphery is shorter than being located inside capillary 4, thereby make porous foamed plastic 5 cover establish on capillary 4 of inside, be equipped with the holder 41 that is used for fixed each capillary 4 in slope body drain pipe 2, be equipped with the wash port on the holder 41, the material that capillary 4 corresponds the part of slip casting section 7 is the hard tube, the material that corresponds porous foamed plastic 5 is the pipe of permeating water of soft formula, the pipe of permeating water of soft formula has fine all-round function of permeating water, permeate water is intraductal smoothly, and silt particle impurity is blockked outside the pipe. After being primarily filtered by the permeation section 6, the groundwater enters the porous foam plastic 5 through the water inlet holes, the groundwater is discharged from the capillary tubes 4 through permeation water absorption of the soft permeable tubes, and the groundwater is discharged from the capillary tubes 4, and part of the groundwater enters gaps of the capillary tubes 4 through the porous foam plastic 5 and the water discharge holes in the retainer 41 and is finally discharged. Because the water entering the capillary 4 is filtered by multiple layers, the capillary 4 is not easy to be blocked, and the arrangement of the multiple capillaries 4 is used for increasing the siphoning effect and ensuring the lower limit of drainage.

The penetration section 6 and the grouting section 7 are sleeved outside the slope body drain pipe 2. The infiltration section 6 and the grouting section 7 are sequentially arranged from the water inlet end to the water outlet end of the slope body drain pipe 2, and the water inlet holes of the infiltration section 6 and the slope body drain pipe 2 correspond to the positions of the porous foamed plastic 5. The material of the penetration section 6 is sandstone aggregate, which has the function of primary filtration, and the material of the grouting section 7 is concrete, which is used for maintaining the stability of the slope body drain pipe 2.

The end of intaking of slope body drain pipe 2 is equipped with switching return bend 8, and slope body drain pipe 2 passes through switching return bend 8 and is connected with drainage outer tube 3. The switching elbow 8 is provided with an access opening, the access opening is superposed with the axis of the slope body drain pipe 2, and the access opening is provided with an openable access cover 81. Through opening access cover 81, can take out capillary 4 and porous foamed plastic 5, follow the trade to porous foamed plastic 5, wash the maintenance to capillary 4, improve the whole life of equipment.

The slope body drain pipe 2 is inclined upwards, the position of a water outlet at the bottom of the outer drain pipe 3 is lower than the water inlet end of the slope body drain pipe 2, underground water in the slope body drain pipe 2 is naturally discharged from the capillary 4 under the action of a water head difference, negative pressure is formed in the slope body drain pipe 2 under the action of siphon, the underground water flows into the slope body drain pipe 2, when accumulated water in a high layer of the slope body drain pipe 2 is completely discharged, air enters the slope body drain pipe 2, the siphon action is eliminated, the water is intermittently and circularly drained in the way, and mechanical sludge is removed by the siphon action during water drainage; the porous foam plastic 5 filters the underground water, and can be replaced through the overhaul opening, so that the whole service life of the device is prolonged.

In the description of the present invention, it is to be understood that the terms "upper", "lower", "front", "rear", "left", "right", "top", "bottom", "inner", "outer", and the like, which indicate orientations or positional relationships based on the orientations or positional relationships shown in the drawings, are used only for convenience in describing the present invention and for simplicity in description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore, should not be construed as limiting the present invention, and what is not described in detail in the present specification is prior art and is known to those skilled in the art.

In the description of the present invention, it should be noted that unless otherwise explicitly stated or limited, the terms "mounted," "connected," and "disposed" are to be construed broadly, e.g., as meaning fixedly connected, disposed, detachably connected, disposed, or integrally connected and disposed; the type of the electrical appliance provided by the utility model is only used for reference. For those skilled in the art, different types of electrical appliances with the same function can be replaced according to actual use conditions, and for those skilled in the art, the specific meaning of the above terms in the present invention can be understood in specific situations.

The above description is only a few specific embodiments of the present invention, but the design concept of the present invention is not limited thereto, and any insubstantial modifications made by the design concept should fall within the scope of the present invention.

Claims (10)

1. The utility model provides a side slope drainage device which characterized in that: the slope body drain pipe inclines upwards from a water inlet end to a water outlet end, water inlet holes are distributed in the side wall of the water inlet end of the slope body drain pipe along the circumferential direction, the water outlet end of the slope body drain pipe is embedded in the slope protection wall, the water outlet end of the drain pipe is connected with the water outlet end of the slope body drain pipe, the drain outer pipe extends downwards along the slope protection wall, the position of a water outlet at the bottom of the drain outer pipe is lower than the water inlet end of the slope body drain pipe, the capillary pipe is provided with a plurality of holes, the capillary pipe is placed in the slope body drain pipe, the porous foam plastic is sleeved between the inner wall of the water outlet end of the capillary pipe and the inner wall of the water outlet end of the slope body drain pipe, and the permeation section and the grouting section are sleeved outside the slope body drain pipe.

2. The slope drainage apparatus of claim 1, wherein: and a water collecting tank is arranged at the bottom of the slope protection wall.

3. The slope drainage apparatus of claim 1, wherein: and a pipe groove for placing a drainage outer pipe is formed in the side wall of the side slope protection wall.

4. The slope drainage apparatus of claim 1, wherein: the slope body drain pipe inclines upwards from the water inlet end to the water outlet end by an angle of 10-15 degrees.

5. The slope drainage apparatus of claim 1, wherein: the water inlet end of the slope body water drainage pipe is provided with a switching elbow pipe, and the slope body water drainage pipe is connected with the water drainage outer pipe through the switching elbow pipe.

6. The slope drainage apparatus of claim 5, wherein: the switching return bend is provided with an access opening, the access opening is superposed with the axis of the slope body drain pipe, and the access opening is provided with an openable access cover.

7. The slope drainage apparatus of claim 1, wherein: the infiltration section and the grouting section are sequentially arranged from the water inlet end to the water outlet end of the slope body drain pipe, and the positions of water inlets of the infiltration section and the slope body drain pipe correspond to the positions of the porous foamed plastic.

8. The slope drainage apparatus of claim 1, wherein: the material of the penetration section is sandstone aggregate, and the material of the grouting section is concrete.

9. The slope drainage apparatus of claim 1, wherein: the slope body drain pipe is internally provided with a retainer for fixing each capillary tube, and the retainer is provided with a drain hole.

10. The slope drainage apparatus of claim 9, wherein: the part of the capillary tube corresponding to the grouting section is made of a hard tube, and the part of the capillary tube corresponding to the porous foam plastic is made of a soft permeable tube.

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