CN211571759U - Building foundation pit dewatering device - Google Patents
Building foundation pit dewatering device Download PDFInfo
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- CN211571759U CN211571759U CN201921812874.1U CN201921812874U CN211571759U CN 211571759 U CN211571759 U CN 211571759U CN 201921812874 U CN201921812874 U CN 201921812874U CN 211571759 U CN211571759 U CN 211571759U
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- foundation pit
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Abstract
The utility model relates to a building foundation pit dewatering device, which comprises a drainage well and a first communicating pipeline connecting the drainage well and the building foundation pit, wherein the first communicating pipeline is horizontally arranged and communicates the building foundation pit and the drainage well; an equipment well is arranged between the drainage well and the building foundation pit, a first drainage pump is arranged in the equipment well, a second communicating pipeline and a third communicating pipeline are respectively arranged at the inlet and the outlet of the drainage pump, the second communicating pipeline is communicated with the building foundation pit, and the third communicating pipeline is communicated with the drainage well; and a drain pipe is arranged on the outer side of the drain well, and a second drain pump is arranged on the drain pipe. When water exists in the building foundation pit, the first drainage pump is timely opened to drain water, so that the water quantity is prevented from being too large; when rainy season, ground water level is higher, and first communicating pipe connects between drainage shaft and building foundation ditch, in time discharges the big water gaging, and first communicating pipe cooperates with second communicating pipe, can discharge the big water gaging.
Description
Technical Field
The utility model belongs to the technical field of the building, concretely relates to building foundation ditch precipitation device.
Background
The building foundation pit dewatering refers to dewatering work performed for ensuring that the building foundation pit can be constructed under dry conditions and preventing slope instability, foundation quicksand, pit bottom uplift, pit bottom piping and foundation bearing capacity reduction when the underground water level is higher than the excavation bottom surface during excavation of the building foundation pit. At present, along with the continuous development of urban underground space, deep building foundation pit engineering is more and more, and its excavation area is bigger and bigger, and the excavation degree of depth is more and more dark, and under this background, vacuum pump precipitation equipment can not satisfy the requirement of deep building foundation pit precipitation because its defect itself, and the immersible pump satisfies precipitation technical requirement, but resource utilization is low.
At present, engineering precipitation is generally longer because of engineering precipitation period, and needs incessant precipitation round the clock, and when rainy season, ground water level exceedes the control water level extremely easily, causes side slope, the post-cast strip of basis to gush water or major structure come-up accident.
SUMMERY OF THE UTILITY MODEL
In order to solve the problem, an object of the utility model is to provide a building foundation pit dewatering device, when having water in the building foundation pit, in time open first drainage pump and carry out the drainage, avoid the water yield too big, when rainy season, ground water level is higher, and first intercommunication pipeline is connected between drainage shaft and building foundation pit, in time discharges the big water gaging, and first intercommunication pipeline cooperates with second intercommunication pipeline, can discharge the big water gaging.
In order to achieve the above purpose, the utility model adopts the following technical scheme: the building foundation pit dewatering device is characterized by comprising a drainage well and a first communication pipeline for connecting the drainage well with the building foundation pit, wherein the first communication pipeline is horizontally arranged and is communicated with the building foundation pit and the drainage well; an equipment well is arranged between the drainage well and the building foundation pit, a first drainage pump is arranged in the equipment well, a second communicating pipeline and a third communicating pipeline are respectively arranged at the inlet and the outlet of the drainage pump, the second communicating pipeline is communicated with the building foundation pit, and the third communicating pipeline is communicated with the drainage well; and a drain pipe is arranged on the outer side of the drain well, and a second drain pump is arranged on the drain pipe.
The inlet of the second communicating pipeline is provided with a filter screen, the first communicating pipeline is provided with the filter screen at one end of the building foundation pit, and the second communicating pipeline is arranged at the lowest end of the building foundation pit.
The building foundation pit water level detection device comprises a building foundation pit, a water level sensor, a first drainage pump and a water level sensor, wherein the building foundation pit is internally provided with the first water level sensor, the first water level sensor detects whether the water level is as low as the bottom of the building foundation pit to stop and start the first drainage pump to operate, and when the first water level sensor detects that the building foundation pit has water, the first drainage pump is started.
Preferably, the second communicating channel and the third communicating channel have a height lower than that of the first communicating channel.
Preferably, the depth of the drainage well is lower than the depth of the building foundation pit.
Wherein the second communicating pipeline is arranged in a zigzag structure.
Wherein, a one-way water valve is arranged on the second communicating pipeline.
The upper end of the equipment well can be connected with a well cover in an opening and closing mode.
The drainage well is internally provided with a second water level sensor and a third water level sensor, and the second water level sensor detects whether the water level is higher than a set water level value in the drainage well so as to start a second drainage pump to operate; the third water level sensor detects whether the water level is at a lower port position of the drain pipe to stop the operation of the second drain pump.
Compared with the prior art, the utility model discloses following beneficial effect has: the utility model discloses a be provided with first communicating pipe, second communicating pipe, first drainage pump, third communicating pipe, the drainage well, drain pipe and second drain pump, when having water in the building foundation ditch, in time open first drainage pump and carry out the drainage, avoid the water yield too big, when rainy season, ground water level is higher, first communicating pipe connects between drainage well and building foundation ditch, in time discharge the big water gaging, first communicating pipe and second communicating pipe cooperation, can discharge the big water gaging, and simultaneously, the second drain pump is in time with the water discharge in the drainage well, the multistage drain pump carries out the drainage, solve present vacuum pump precipitation equipment because the defect of its own can not satisfy the problem of deep building foundation ditch precipitation.
Drawings
Fig. 1 is a schematic structural diagram of the present invention.
Description of reference numerals: 1. building a foundation pit; 2. a drainage well; 3. a first communicating pipe; 4. an equipment well; 5. a first drainage pump; 6. a second communicating conduit; 7. a third communicating pipe; 8. a drain pipe; 9. a second drain pump; 10. a first water level sensor; 11. a one-way water valve; 12. a well cover; 13. a second water level sensor; 14. and a third water level sensor.
Detailed Description
In order to make the technical problems, technical solutions and advantages to be solved by the present invention clearer, the following detailed description will be given with reference to the accompanying drawings and specific embodiments.
Please refer to the description attached figure 1, the utility model relates to a building foundation pit dewatering device, including drainage well 2, connect drainage well 2 and building foundation pit 1's first connecting line 3, first connecting line 3 level sets up and communicates building foundation pit 1 and drainage well 2, be provided with an equipment well 4 between drainage well 2 and the building foundation pit 1, be provided with first drainage pump 5 in the equipment well 4, the entry and exit department of drainage pump 5 is provided with second intercommunication pipeline 6 and third intercommunication pipeline 7 respectively, second intercommunication pipeline 6 intercommunication building foundation pit 1, third intercommunication pipeline 7 intercommunication drainage well 2, the outside of drainage well 2 is provided with a drain pipe 8, be provided with second drain pump 9 on the drain pipe 8.
A filter screen is arranged at the inlet of the second communicating pipeline 6, the first communicating pipeline 3 is provided with the filter screen at one end of the building foundation pit 1, and the second communicating pipeline 6 is arranged at the lowest end of the building foundation pit 1; the inlet ends of the first communicating pipeline 3 and the second communicating pipeline 6 are provided with filter screens, so that pipeline blockage can be effectively prevented.
Be provided with first level sensor 10 in the building foundation ditch 1, first level sensor 10 detects whether the water level is low to the operation of 1 bottom in order to stop and open first drainage pump 5 of building foundation ditch, when first level sensor 10 detected that building foundation ditch 1 has interior water, opened first drainage pump 5. The utility model discloses a water level in building foundation ditch 1 is monitored to first level sensor 10, can combine external control equipment to realize opening and closing of first exhaust pump 5 of control, realizes in time opening first exhaust pump 5 on the one hand and drains, and on the other hand prevents not in time stopping the pump and draws water, causes the burn pump accident.
The second communicating pipeline 6 and the third communicating pipeline 7 are lower than the first communicating pipeline in height, one-layer drainage of the first communicating pipeline 3 is realized, and two-layer drainage is formed by the second communicating pipeline 6 and the third communicating pipeline 7.
The depth of the drainage well 2 is lower than that of the building foundation pit, so that drainage of the multi-stage drainage pump is realized, and the difficult problem of deep pit drainage is avoided.
The second communicating pipeline 6 is arranged in a fold line structure, so that the equipment well can be conveniently placed.
And the second communicating pipeline 6 is provided with a one-way water valve 11, so that water of the second communicating pipeline 6 is prevented from flowing back to the building foundation pit 1.
The upper end of the equipment well 4 can be connected with a well cover 12 in an opening and closing mode, and equipment maintenance is facilitated.
A second water level sensor 13 and a third water level sensor 14 are arranged in the drainage well 2, and the second water level sensor 13 detects whether the water level is higher than a set water level value in the drainage well 2 or not so as to start the second drainage pump 9 to operate; the third water level sensor 14 detects whether the water level is at the lower port position of the drain pipe to stop the operation of the second drain pump 9. The utility model discloses a second level sensor 13 and third level sensor 14 cooperation are used, can in time open second drain pump 9, can prevent that second drain pump 9 from not in time stopping the pump simultaneously and drawing water, cause the pump burning accident.
The utility model discloses a theory of operation does: when water exists in the building foundation pit 1 (the first water level sensor 13 detects that water exists in the building foundation pit 1), the first drainage pump 5 is opened in time to drain water, the phenomenon that the water quantity is too large is avoided, when the underground water level is higher in rainy seasons, and the first drainage pump 5 alone drains water in time, the first communication pipeline 3 is connected between the drainage well 2 and the building foundation pit 1 to drain a large amount of water in time, and the first communication pipeline 3, the second communication pipeline 6 and the first drainage pump 5 are matched for use, so that a large amount of water in the building foundation pit 1 can be drained; if the building foundation pit 1 is not filled with water (the first water level sensor 13 detects that the building foundation pit 1 is filled with water), the first drainage pump 5 stops working; meanwhile, when the water level in the drainage well 2 exceeds the set water level (the second water level sensor 13 detects that the water level reaches the set value), the second drainage pump 9 is turned on to drain the water in the drainage well 2 in time, and when the water level in the drainage well 2 is lower than the set value (the third water level sensor 14 detects that the water level is lower than the set value), the second drainage pump 9 stops draining, and a multi-stage drainage pump is used for draining.
The utility model discloses a building foundation ditch precipitation device, through being provided with first communicating pipe, second communicating pipe, first drainage pump, third communicating pipe, the drainage well, drain pipe and second drainage pump, when having water in the building foundation ditch, in time open first drainage pump and carry out the drainage, avoid the water yield too big, when rainy season, ground water level is higher, first communicating pipe connects between drainage well and building foundation ditch, in time discharge the big water gaging, first communicating pipe cooperates with second communicating pipe, can discharge the big water gaging, and simultaneously, the second drainage pump is in time discharged the water in the drainage well, the multi-stage drainage pump carries out the drainage, solve present vacuum pump precipitation equipment because the defect of its own can not satisfy the problem of deep building foundation ditch precipitation.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation. The use of the phrase "comprising one of the elements does not exclude the presence of other like elements in the process, method, article, or apparatus that comprises the element.
The above embodiments are merely preferred embodiments of the present disclosure, which are not intended to limit the present disclosure, and any modifications, equivalents, improvements and the like, which are within the spirit and principle of the present disclosure, should be included in the scope of the present disclosure.
Claims (9)
1. The building foundation pit dewatering device is characterized by comprising a drainage well and a first communication pipeline for connecting the drainage well with the building foundation pit, wherein the first communication pipeline is horizontally arranged and is communicated with the building foundation pit and the drainage well; an equipment well is arranged between the drainage well and the building foundation pit, a first drainage pump is arranged in the equipment well, a second communicating pipeline and a third communicating pipeline are respectively arranged at the inlet and the outlet of the drainage pump, the second communicating pipeline is communicated with the building foundation pit, and the third communicating pipeline is communicated with the drainage well; and a drain pipe is arranged on the outer side of the drain well, and a second drain pump is arranged on the drain pipe.
2. The building foundation pit precipitation device of claim 1, wherein a filter screen is arranged at an inlet of the second communication pipeline, the first communication pipeline is provided with the filter screen at one end of the building foundation pit, and the second communication pipeline is arranged at the lowest end position of the building foundation pit.
3. The foundation pit dewatering apparatus of claim 1, wherein a first water level sensor is disposed within the foundation pit.
4. The device for lowering the level of a building foundation pit according to claim 1, wherein the second communicating pipe and the third communicating pipe are lower than the first communicating pipe.
5. The foundation pit dewatering apparatus of claim 1, wherein the drainage well is at a depth less than the depth of the foundation pit.
6. The device for lowering the water level in the foundation pit of claim 1, wherein the second communication pipeline is arranged in a zigzag structure.
7. The building foundation pit dewatering apparatus of claim 1, wherein a one-way water valve is disposed on the second communication pipeline.
8. The building foundation pit dewatering apparatus of claim 1, wherein a well lid is openably and closably connected to an upper end of the equipment well.
9. The device of claim 1, wherein a second water level sensor and a third water level sensor are disposed in the drainage well.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921812874.1U CN211571759U (en) | 2019-10-27 | 2019-10-27 | Building foundation pit dewatering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921812874.1U CN211571759U (en) | 2019-10-27 | 2019-10-27 | Building foundation pit dewatering device |
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| Publication Number | Publication Date |
|---|---|
| CN211571759U true CN211571759U (en) | 2020-09-25 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921812874.1U Active CN211571759U (en) | 2019-10-27 | 2019-10-27 | Building foundation pit dewatering device |
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| CN (1) | CN211571759U (en) |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113863394A (en) * | 2021-10-20 | 2021-12-31 | 金光荣 | Anti-floating monitoring control system for basement of building |
| CN114525797A (en) * | 2022-03-08 | 2022-05-24 | 博盛建设集团股份有限公司 | Drainage system in building engineering construction foundation pit |
-
2019
- 2019-10-27 CN CN201921812874.1U patent/CN211571759U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113863394A (en) * | 2021-10-20 | 2021-12-31 | 金光荣 | Anti-floating monitoring control system for basement of building |
| CN114525797A (en) * | 2022-03-08 | 2022-05-24 | 博盛建设集团股份有限公司 | Drainage system in building engineering construction foundation pit |
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Address after: Room 218, 2 / F, block B, Chuangye building, Haixi hi tech Industrial Park, high tech Zone, Fuzhou City, Fujian Province Patentee after: Fuzhou Architectural Design Institute Co., Ltd Address before: Room 218, 2 / F, block B, Chuangye building, Haixi hi tech Industrial Park, high tech Zone, Fuzhou City, Fujian Province Patentee before: FUZHOU ARCHITECTURE DESIGN INS |