CN113073668A - Deep basal pit portable catchment, drainage device - Google Patents
Deep basal pit portable catchment, drainage device Download PDFInfo
- Publication number
- CN113073668A CN113073668A CN202110395862.9A CN202110395862A CN113073668A CN 113073668 A CN113073668 A CN 113073668A CN 202110395862 A CN202110395862 A CN 202110395862A CN 113073668 A CN113073668 A CN 113073668A
- Authority
- CN
- China
- Prior art keywords
- water collecting
- foundation pit
- light pipe
- plastic light
- drainage
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 99
- 239000002689 soil Substances 0.000 claims abstract description 12
- 238000001914 filtration Methods 0.000 claims description 10
- 239000004927 clay Substances 0.000 abstract description 7
- 238000012423 maintenance Methods 0.000 abstract description 5
- 239000004576 sand Substances 0.000 description 4
- 238000010276 construction Methods 0.000 description 3
- 230000000694 effects Effects 0.000 description 3
- 230000009286 beneficial effect Effects 0.000 description 2
- 238000009434 installation Methods 0.000 description 2
- 238000000034 method Methods 0.000 description 2
- 230000002035 prolonged effect Effects 0.000 description 2
- 239000010865 sewage Substances 0.000 description 2
- 239000004575 stone Substances 0.000 description 2
- 238000009412 basement excavation Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000002349 favourable effect Effects 0.000 description 1
- 239000003673 groundwater Substances 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000008595 infiltration Effects 0.000 description 1
- 238000001764 infiltration Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 238000007789 sealing Methods 0.000 description 1
Images
Classifications
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/11—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor with bag, cage, hose, tube, sleeve or like filtering elements
- B01D29/31—Self-supporting filtering elements
- B01D29/35—Self-supporting filtering elements arranged for outward flow filtration
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D29/00—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor
- B01D29/88—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices
- B01D29/94—Filters with filtering elements stationary during filtration, e.g. pressure or suction filters, not covered by groups B01D24/00 - B01D27/00; Filtering elements therefor having feed or discharge devices for discharging the filter cake, e.g. chutes
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01D—SEPARATION
- B01D36/00—Filter circuits or combinations of filters with other separating devices
- B01D36/04—Combinations of filters with settling tanks
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
- E02D19/10—Restraining of underground water by lowering level of ground water
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/22—Lining sumps in trenches or other foundation pits
Landscapes
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Hydrology & Water Resources (AREA)
- Chemical & Material Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention relates to a portable water collecting and draining device for a deep foundation pit, and belongs to the technical field of civil engineering. The concrete cushion is poured above foundation pit soil, a water collecting pit is arranged in the foundation pit soil, a water collecting cylinder is arranged in the water collecting pit, a plastic light pipe is arranged at the upper part of the water collecting cylinder, the upper end opening of the plastic light pipe is not lower than the upper surface of the concrete cushion, and a hollowed cylindrical grating is connected below the plastic light pipe. The lower extreme of tube-shape grid is connected with the toper bottom, and the toper bottom is hollow structure and center undercut. The hollow water pump placing bearing platform is arranged at the lower part of the inner cavity of the cylindrical grating, and the hollow bottom bearing platform is arranged at the lower port. The periphery of the upper part of the plastic light pipe is provided with a water stop ring embedded in the concrete cushion. The circumference of the plastic light tube is provided with a plurality of drainage ports. The invention can effectively isolate large blocks of silt in the foundation pit, effectively filter out seepage water, prolong the service life of the water pump, improve the drainage efficiency, reduce the maintenance cost and keep the foundation pit dry when the geological condition is silty clay.
Description
Technical Field
The invention relates to a water collecting and draining device, in particular to a portable water collecting and draining device for a deep foundation pit, and belongs to the technical field of civil engineering construction devices.
Background
With the rapid development of the building industry in China, a brick-built water collecting well or a direct submersible pump water pumping construction method is usually adopted for the drainage of a deep foundation pit, the water pump is often stuck and burned out due to silt and impurities in water, the water cannot be effectively collected and drained, the drainage efficiency is low, the process flow is complex, and the manual maintenance cost is high.
Sometimes the excavation degree of depth of foundation ditch can reach 11m, and is large in ground area on the spot, and the relief is low, under the uncertain condition in groundwater position, leads to the foundation ditch water level to once only can't fall effective water level easily, when the geology condition is mainly silty clay, becomes loose and its interstitial water is abundant after the foundation ditch meets water easily, how to keep the foundation ditch dry, avoids foundation ditch sewage operation to be the important difficult problem of this foundation ditch construction.
Disclosure of Invention
The invention aims to overcome the problems in the prior art and provide a convenient water collecting and draining device for a deep foundation pit, which can effectively isolate massive silt in the foundation pit, prolong the service life of a water pump, improve the draining efficiency, reduce the maintenance cost, keep the foundation pit dry when the geological condition is silty clay, and avoid the sewage operation of the foundation pit.
In order to solve the technical problems, the portable water collecting and draining device for the deep foundation pit comprises a concrete cushion layer, wherein the concrete cushion layer is poured above foundation pit soil, a water collecting pit is arranged in the foundation pit soil, a water collecting cylinder is arranged in the water collecting pit, the upper part of the water collecting cylinder is a plastic light pipe, the upper end opening of the plastic light pipe is not lower than the upper surface of the concrete cushion layer, and a hollow cylindrical grid is connected below the plastic light pipe.
Furthermore, the lower end of the cylindrical grating is connected with a conical bottom, and the conical bottom is of a hollow structure and is downwards sunken in the center.
Further, a hollow water pump placing bearing platform is arranged at the lower part of the inner cavity of the cylindrical grating.
Further, a hollow bottom bearing platform is arranged at the lower port of the cylindrical grating.
Furthermore, the periphery of the upper part of the plastic light pipe is provided with a water stop ring, and the water stop ring is embedded in the concrete cushion layer.
Furthermore, a plurality of drainage ports are arranged on the circumference of the plastic light pipe, the drainage ports are connected with drainage pipes, and the drainage pipes are embedded in the foundation pit soil.
Furthermore, each drainage port is provided with a drainage joint which is connected with the plastic light pipe into a whole, and the root of the drainage pipe is hermetically connected with the corresponding drainage joint.
Furthermore, the periphery of the cylindrical grating is wrapped by a filter screen, and filtering gravels are filled between the outer side of the filter screen and the inner wall of the water collecting pit.
Furthermore, the lower end of the plastic light pipe and the upper end of the cylindrical grating are mutually screwed or connected into a whole through threads.
Further, the cushion cap is placed to the water pump with tube-shape grid integrated into one piece, the cushion cap is placed to the water pump includes that a plurality of roots cross in the radial bracing piece of tube-shape grid axis, and the both ends of each radial bracing piece all link to each other with the inner wall of tube-shape grid, and the radius along each radial bracing piece is respectively through a plurality of support ring interconnect as an organic whole, and each support ring encircles tube-shape grid axis and is the concentric circles distribution.
Further, the inner diameter of the plastic light pipe is 600mm, the height of the plastic light pipe is 800mm, the height of the cylindrical grating is 600mm, and the size of grating holes is 10mmx20 mm; the width of the water stop ring is 50mm, the distance from the top of the plastic light pipe is 50mm, and the height of the conical bottom is 150 mm.
The invention has the beneficial effects that: 1. the grid holes can filter water, but can prevent silt and the like from passing through; the filtering effect can be further improved after the filter screen is coated; the filtering sand stone is filled outside the filtering net again, so that the powder clay can be prevented from being stuck on the filtering net after meeting water, the service lives of the cylindrical grating and the filtering net are prolonged, and the silt is more effectively prevented from entering the water collecting barrel;
2. the adjacent drainage ports are distributed on the circumference of the plastic light pipe in an angle of 90 degrees, square water is introduced into the water collecting barrel, and the water stop ring is embedded in the cushion concrete, so that the condition that the bottom of the foundation pit is free of water can be achieved, the normal pouring of a concrete bottom plate is ensured, and the device can be prevented from sinking or deviating;
3. the bottom of water pump is placed on the platform is placed to the water pump that soaks, and a small amount of silt that gets into in the tube-shape grid can subside the toper bottom, can not enclose stifled suction opening at the water pump under the effect of water pump suction, avoids the jam of water pump suction opening, avoids the course of the work, stops the pump repeatedly and carries the pump clearance. When the water depth exceeds that of the water pump placing bearing platform, the water pump starts to work, the conical bottom is favorable for being embedded into a foundation pit and collecting water flow, and meanwhile, the device is prevented from deviating and is convenient for fixed installation; and partial silt can be contained, so that the stable operation of the water pump is facilitated.
4. The water pump placing bearing platform and the bottom bearing platform form two supports in the cylindrical grating, the strength of the cylindrical grating can be improved, and the service life of the cylindrical grating is prolonged.
5. This device can effectively keep apart the bold silt in the foundation ditch, will ooze the water and effectively filter out, collect and take out, and extension water pump life-span improves drainage efficiency, reduces the maintenance cost, keeps the foundation ditch dry when the geological conditions is silty clay, guarantees anhydrous work.
Drawings
FIG. 1 is a diagram of the working state of the present invention;
FIG. 2 is a top view of the present invention;
fig. 3 is a perspective view of the present invention.
In the figure: 1. concrete cushion, 2, foundation pit soil, 3, a plastic light pipe, 3a, a water stop ring, 3b, a drainage port, 3c, a drainage tube, 4, a cylindrical grid, 5, a conical bottom, 6, a water pump placing bearing platform, 6a, a radial support rod, 6b support rings, 7, a bottom bearing platform, 8 and filtering sand.
Detailed Description
The present invention will now be described in further detail with reference to the accompanying drawings. These drawings are simplified schematic views illustrating only the basic structure of the present invention in a schematic manner, and thus show only the constitution related to the present invention.
As shown in fig. 1 to 3, the portable water collecting and draining device for the deep foundation pit comprises a concrete cushion layer 1, wherein the concrete cushion layer 1 is poured above foundation pit soil 2, a water collecting pit is arranged in the foundation pit soil 2, a water collecting cylinder is arranged in the water collecting pit, a plastic light pipe 3 is arranged at the upper part of the water collecting cylinder, the upper end opening of the plastic light pipe 3 is not lower than the upper surface of the concrete cushion layer 1, and a hollow cylindrical grating 4 is connected below the plastic light pipe 3.
The lower end of the cylindrical grating 4 is connected with a conical bottom 5, and the conical bottom 5 is of a hollow structure and is downwards sunken in the center. The hollow water pump placing bearing platform 6 is arranged at the lower part of the inner cavity of the cylindrical grating 4. The lower port of the cylindrical grating 4 is provided with a hollow bottom bearing platform 7. The conical bottom 5 is beneficial to embedding into a foundation pit and collecting water flow, and simultaneously plays a role in preventing the device from deviating and facilitating the fixed installation of the device; and partial silt can be contained, so that the stable operation of the water pump is facilitated.
The periphery of the upper part of the plastic light pipe 3 is provided with a water stop ring 3a, and the water stop ring 3a is embedded in the concrete cushion 1. The circumference of the plastic light pipe 3 is provided with a plurality of drainage ports 3b, the drainage ports 3b are connected with drainage pipes 3c, and the drainage pipes 3c are embedded in the foundation pit soil 2. The drainage ports 3b are respectively provided with a drainage joint which is connected with the plastic light tube 3 into a whole, and the root of the drainage tube 3c is connected with the corresponding drainage joint in a sealing way. The adjacent drainage ports 3b are distributed on the circumference of the plastic light pipe 3 in an angle of 90 degrees, square water is introduced into the water collecting barrel, and the water stop ring 3a is embedded in the cushion concrete, so that the condition that the bottom of a foundation pit is free of water can be achieved, the normal pouring of a concrete bottom plate is ensured, and the device can be prevented from sinking or deviating;
the periphery of the cylindrical grating 4 is wrapped by a filter screen, and a filtering sand 8 is filled between the outer side of the filter screen and the inner wall of the water collecting pit. The filtering sand stone 8 can prevent the powdery clay from sticking to the filter screen after meeting water, thereby prolonging the service life of the cylindrical grating 4 and the filter screen and effectively preventing silt from entering the water collecting barrel;
the lower end of the plastic light pipe 3 and the upper end of the cylindrical grating 4 are mutually screwed or connected into a whole through threads.
The water pump placing bearing platform 6 and the cylindrical grating 4 are integrally formed, the water pump placing bearing platform 6 comprises a plurality of radial support rods 6a which are intersected with the axis of the cylindrical grating 4, two ends of each radial support rod 6a are connected with the inner wall of the cylindrical grating 4, the radial of each radial support rod 6a is respectively connected into a whole through a plurality of support rings 6b, and each support ring 6b is distributed around the axis of the cylindrical grating 4 in a concentric circle manner.
The bottom of water pump is placed on the platform 6 is placed to the water pump that soaks, and a small amount of silt that gets into in the tube-shape grid 4 can sink to toper bottom 5, can not enclose the suction opening of stifled at the water pump under the effect of water pump suction force, avoids the jam of water pump suction opening, avoids the working process, stops the pump repeatedly and carries the pump clearance.
The inner diameter of the plastic light pipe 3 is 600mm, the height is 800mm, the height of the cylindrical grating 4 is 600mm, and the size of grating holes is 10mmx20 mm; the width of the water stop ring 3a is 50mm, the distance from the top of the plastic light pipe 3 is 50mm, and the height of the conical bottom 5 is 150 mm.
Can effectively keep apart the bold silt in the foundation ditch, effectively filter out, collect and take out the infiltration, extension water pump life-span improves drainage efficiency, reduces the maintenance cost, keeps the foundation ditch dry when the geological conditions is silty clay, guarantees anhydrous operation.
In light of the foregoing description of the preferred embodiment of the present invention, many modifications and variations will be apparent to those skilled in the art without departing from the spirit and scope of the invention. The technical scope of the present invention is not limited to the content of the specification, and must be determined according to the scope of the claims.
Claims (10)
1. The utility model provides a deep basal pit portable catchment, drainage device, includes the concrete cushion, the concrete cushion is pour in the top of foundation ditch soil, be equipped with the sump pit in the foundation ditch soil, its characterized in that: a water collecting cylinder is arranged in the water collecting pit, a plastic light pipe is arranged at the upper part of the water collecting cylinder, the upper end opening of the plastic light pipe is not lower than the upper surface of the concrete cushion layer, and a hollow cylindrical grating is connected below the plastic light pipe.
2. The portable water collecting and draining device for the deep foundation pit according to claim 1, wherein: the lower extreme of tube-shape grid is connected with the toper bottom, the toper bottom is hollow structure and center undercut.
3. The portable water collecting and draining device for the deep foundation pit according to claim 1, wherein: the lower part of the inner cavity of the cylindrical grating is provided with a hollow water pump placing bearing platform.
4. The portable water collecting and draining device for the deep foundation pit according to claim 1, wherein: and a hollow bottom bearing platform is arranged at the lower port of the cylindrical grating.
5. The portable water collecting and draining device for the deep foundation pit according to claim 1, wherein: and a water stop ring is arranged on the periphery of the upper part of the plastic light pipe and embedded in the concrete cushion.
6. The portable water collecting and draining device for deep foundation pits of claim 5, wherein: and a plurality of drainage ports are arranged on the circumference of the plastic light pipe, the drainage ports are connected with the drainage pipe, and the drainage pipe is embedded in the foundation pit soil.
7. The portable water collecting and draining device for deep foundation pits of claim 6, wherein: and each drainage port is provided with a drainage joint which is connected with the plastic light pipe into a whole, and the root part of the drainage pipe is hermetically connected with the corresponding drainage joint.
8. The portable water collecting and draining device for the deep foundation pit according to claim 1, wherein: the periphery of the cylindrical grating is wrapped by a filter screen, and filtering gravels are filled between the outer side of the filter screen and the inner wall of the water collecting pit.
9. The portable water collecting and draining device for the deep foundation pit according to claim 1, wherein: the lower end of the plastic light pipe and the upper end of the cylindrical grating are mutually screwed or connected into a whole through threads.
10. The portable water collecting and draining device for the deep foundation pit according to claim 1, wherein: the cushion cap is placed to the water pump with tube-shape grid integrated into one piece, the cushion cap is placed to the water pump includes that a plurality of roots cross in the radial bracing piece of tube-shape grid axis, and the both ends of each radial bracing piece all link to each other with the inner wall of tube-shape grid, and the radius along each radial bracing piece is respectively through a plurality of support ring interconnect as an organic whole, and each support ring encircles tube-shape grid axis and is the concentric circles distribution.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110395862.9A CN113073668A (en) | 2021-04-13 | 2021-04-13 | Deep basal pit portable catchment, drainage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110395862.9A CN113073668A (en) | 2021-04-13 | 2021-04-13 | Deep basal pit portable catchment, drainage device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113073668A true CN113073668A (en) | 2021-07-06 |
Family
ID=76617471
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110395862.9A Pending CN113073668A (en) | 2021-04-13 | 2021-04-13 | Deep basal pit portable catchment, drainage device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113073668A (en) |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104846836A (en) * | 2015-05-21 | 2015-08-19 | 中铁四局集团有限公司 | Water supply and drainage device for deep foundation pit and construction method based on water supply and drainage device |
| CN110805052A (en) * | 2019-10-31 | 2020-02-18 | 中国二十二冶集团有限公司 | Comprehensive treatment method for sudden surge of ultra-deep foundation pit |
| CN212801545U (en) * | 2020-05-26 | 2021-03-26 | 中建八局天津建设工程有限公司 | Deep foundation pit drainage structure |
-
2021
- 2021-04-13 CN CN202110395862.9A patent/CN113073668A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104846836A (en) * | 2015-05-21 | 2015-08-19 | 中铁四局集团有限公司 | Water supply and drainage device for deep foundation pit and construction method based on water supply and drainage device |
| CN110805052A (en) * | 2019-10-31 | 2020-02-18 | 中国二十二冶集团有限公司 | Comprehensive treatment method for sudden surge of ultra-deep foundation pit |
| CN212801545U (en) * | 2020-05-26 | 2021-03-26 | 中建八局天津建设工程有限公司 | Deep foundation pit drainage structure |
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| PB01 | Publication | ||
| PB01 | Publication | ||
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Application publication date: 20210706 |