CN214423389U

CN214423389U - Construction rainfall drainage structures

Info

Publication number: CN214423389U
Application number: CN202023107003.5U
Authority: CN
Inventors: 赵杉; 管严杰; 段开峰; 王娇
Original assignee: Individual
Current assignee: Individual
Priority date: 2020-12-22
Filing date: 2020-12-22
Publication date: 2021-10-19
Anticipated expiration: 2030-12-22

Abstract

The utility model discloses a construction rainfall drainage structures, including foundation ditch and suction pump, the escape canal has been seted up to the bottom of foundation ditch, the sump pit has been seted up to the inside in escape canal, the bottom in escape canal and sump pit all is provided with the grid that permeates water, the bottom of the grid that permeates water is provided with rubble water filtering layer, rubble water filtering layer's bottom is provided with heavy stone basic unit, the suction pump is installed at the top of foundation ditch, the drinking-water pipe is installed to the water inlet of suction pump, the fixed surface of drinking-water pipe is connected with the float, the one end of drinking-water pipe is provided with the tube head that draws water. Through the setting of cursory and the tube head that draws water, the inside impurity of ponding deposits the bottom of sump pit, and cursory high self-regulation height along with the surface of water floats all the time at the surface of water, can float the tube head that draws water on the upper strata of ponding, absorbs the water purification on sump pit upper strata, prevents that bottom impurity from blockking up the tube head that draws water, improves the practicality.

Description

Construction rainfall drainage structures

Technical Field

The utility model relates to a sump pit technical field specifically is a construction rainfall drainage structures.

Background

When underground engineering construction is carried out below an underground water level, underground water in a soil body is required to be manually removed frequently to stabilize the soil body and ensure safe construction, when a foundation pit or a foundation trench is excavated, a water-containing layer of soil is cut off, the underground water can continuously permeate into the foundation pit, during construction in rainy season, ground water can flow into the foundation pit, and in order to ensure normal operation of construction, slope collapse and foundation bearing capacity reduction are prevented, and before and during excavation of the foundation pit, precipitation work is required.

When building engineering excavated in the foundation ditch, if the ground water level is higher, and need set up the drainage mode when basement elevation is below the ground water level, the sump pit is exactly a more simple and convenient mode, and prior art all adopts the suction pump to draw water when the drainage, can be that sump pit aquatic bottom impurity is too much, blocks up the suction pipe of suction pump easily, takes out soil and silt easily in addition when the sump pit infiltration, and the soil erosion that easily runs off for a long time causes the collapse.

SUMMERY OF THE UTILITY MODEL

Technical problem to be solved

Not enough to prior art, the utility model provides a construction rainfall drainage structures has solved the problem of proposing in the above-mentioned background art.

(II) technical scheme

In order to achieve the above purpose, the utility model discloses a following technical scheme realizes: the utility model provides a construction rainfall drainage structures, includes foundation ditch and suction pump, the escape canal has been seted up to the bottom of foundation ditch, the sump pit has been seted up to the inside in escape canal, the bottom in escape canal and sump pit all is provided with the grid that permeates water, the bottom of the grid that permeates water is provided with rubble drainage layer, rubble drainage layer's bottom is provided with heavy stone basic unit, the suction pump is installed at the top of foundation ditch, the drinking-water pipe is installed to the water inlet of suction pump, the fixed surface of drinking-water pipe is connected with the float, the one end of drinking-water pipe is provided with the pump head.

Optionally, the water pumping pipe head is movably connected with a filter head, and a filter screen is arranged on the surface of the filter head.

Optionally, the inner wall swing joint of foundation ditch has the snap ring, the inside swing joint of snap ring has the drinking-water pipe.

Optionally, the surface of the pumping pipe is fixedly connected with a limiting ring, and the surface of the limiting ring is provided with the buoy.

Optionally, a water outlet is arranged at one end of the water suction pump, and a water drainage pipe is arranged inside the water outlet.

Optionally, the inner bottom wall of the foundation pit is fixedly connected with a base.

(III) advantageous effects

The utility model provides a construction rainfall drainage structures possesses following beneficial effect:

1. this construction rainfall drainage structures, through the setting of cursory and the tube head that draws water, the inside impurity of ponding deposits the bottom of sump pit, and cursory height-adjusting is by oneself along with the height of the surface of water floats all the time at the surface of water, can float the tube head that draws water on the upper strata of ponding, absorbs the water purification on sump pit upper strata, prevents that bottom impurity from blockking up the tube head that draws water, improves the practicality.

2. This construction rainfall drainage structures, through the setting of the grid that permeates water, rubble drainage layer and heavy stone basic unit, heavy stone basic unit and rubble drainage layer can intercept the soil of taking out the bottom soil layer when the bottom seeps water, and the grid that permeates water can intercept rubble and silt, prevents that the soil of bottom from running off and arousing the accident.

Drawings

FIG. 1 is a schematic structural view of the present invention;

FIG. 2 is a schematic view of the foundation pit structure of the present invention;

fig. 3 is a schematic view of the structure of the water pumping pipe of the present invention.

In the figure: 1. a foundation pit; 2. a drainage ditch; 3. a water collecting well; 4. a water permeable grid; 5. a water filtering layer for breaking stones; 6. a heavy stone base layer; 7. a water pump; 8. a water pumping pipe; 9. floating; 10. a water pumping pipe head; 11. a filter head; 12. a snap ring; 13. a limiting ring; 14. a drain pipe; 15. a base station.

Detailed Description

The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments.

Referring to fig. 1 to 3, the present invention provides a technical solution: a rainfall drainage structure for building construction comprises a foundation pit 1 and a water suction pump 7, wherein a drainage ditch 2 is formed in the bottom of the foundation pit 1, a water collecting well 3 is formed in the drainage ditch 2, water permeable gratings 4 are arranged at the bottoms of the drainage ditch 2 and the water collecting well 3, a broken stone water filtering layer 5 is arranged at the bottom of the water permeable gratings 4, a heavy stone base layer 6 is arranged at the bottom of the broken stone water filtering layer 5, the water suction pump 7 is installed at the top of the foundation pit 1, a water outlet is formed in one end of the water suction pump 7, a water drainage pipe 14 is installed in the water outlet, and a water suction pipe 8 is installed at a water inlet of the water suction pump 7;

the fixed surface of drinking-water pipe 8 is connected with spacing ring 13, the surface of spacing ring 13 is provided with cursory 9, the one end of drinking-water pipe 8 is provided with the tube head 10 that draws water, the swing joint of tube head 10 that draws water has filter 11, the surface of filter 11 is provided with the filter screen, setting through filter 11, can prevent that impurity from getting into drinking-water pipe 8, and through threaded connection, be convenient for clear up and change, the inner wall swing joint of foundation ditch 1 has snap ring 12, the inside swing joint of snap ring 12 has drinking-water pipe 8, setting through snap ring 12, it is spacing to carry out drinking-water pipe 8, can prevent that drinking-water pipe 8 from removing everywhere and coming off, the interior diapire fixedly connected with base station 15 of foundation ditch 1.

The utility model discloses in, the device's working procedure as follows:

1. firstly, through the arrangement of the drainage ditch 2 and the water collecting well 3, rainwater can flow into the drainage ditch 2 firstly and then is collected and discharged into the water collecting well 3;

2. secondly, by arranging the water permeable grating 4, the gravel water-filtering layer 5 and the heavy stone base layer 6, underground water can seep into the drainage ditch 2 and the collection well 3, the heavy stone base layer 6 and the gravel water-filtering layer 5 can intercept soil brought out of a bottom soil layer during bottom seepage, and the water permeable grating 4 can intercept gravel and silt;

3. moreover, through the arrangement of the buoy 9 and the water pumping pipe head 10, the buoy 9 enables the water pumping pipe head 10 to float on the upper layer of accumulated water, purified water on the upper layer of the water collecting well 3 is absorbed, and bottom impurities are prevented from blocking the water pumping pipe head 10;

4. finally, through the setting of filter 11, can prevent that impurity from getting into drinking-water pipe 8, through threaded connection, be convenient for clear up and change filter 11 moreover.

The above, only be the concrete implementation of the preferred embodiment of the present invention, but the protection scope of the present invention is not limited thereto, and any person skilled in the art is in the technical scope of the present invention, according to the technical solution of the present invention and the utility model, the concept of which is equivalent to replace or change, should be covered within the protection scope of the present invention.

Claims

1. The utility model provides a construction rainfall drainage structures, includes foundation ditch (1) and suction pump (7), its characterized in that: escape canal (2) have been seted up to the bottom of foundation ditch (1), sump pit (3) have been seted up to the inside in escape canal (2), the bottom in escape canal (2) and sump pit (3) all is provided with grid (4) of permeating water, the bottom of grid (4) of permeating water is provided with rubble drainage layer (5), the bottom of rubble drainage layer (5) is provided with heavy stone basic unit (6), suction pump (7) are installed at the top of foundation ditch (1), drinking-water pipe (8) are installed to the water inlet of suction pump (7), the fixed surface of drinking-water pipe (8) is connected with cursory (9), the one end of drinking-water pipe (8) is provided with pumping pipe head (10).

2. The rainfall drainage structure for building construction according to claim 1, wherein: the movable connection of water pumping pipe head (10) has filter head (11), the surface of filter head (11) is provided with the filter screen.

3. The rainfall drainage structure for building construction according to claim 1, wherein: the inner wall swing joint of foundation ditch (1) has snap ring (12), the inside swing joint of snap ring (12) has drinking-water pipe (8).

4. The rainfall drainage structure for building construction according to claim 1, wherein: the surface of the water pumping pipe (8) is fixedly connected with a limiting ring (13), and the surface of the limiting ring (13) is provided with the buoy (9).

5. The rainfall drainage structure for building construction according to claim 1, wherein: one end of the water suction pump (7) is provided with a water outlet, and a water drainage pipe (14) is arranged inside the water outlet.

6. The rainfall drainage structure for building construction according to claim 1, wherein: and the inner bottom wall of the foundation pit (1) is fixedly connected with a base platform (15).