CN116356860A - Foundation pit dewatering device and method - Google Patents
Foundation pit dewatering device and method Download PDFInfo
- Publication number
- CN116356860A CN116356860A CN202310111617.XA CN202310111617A CN116356860A CN 116356860 A CN116356860 A CN 116356860A CN 202310111617 A CN202310111617 A CN 202310111617A CN 116356860 A CN116356860 A CN 116356860A
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- Prior art keywords
- foundation pit
- supporting
- fixed
- mounting seat
- plate
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- 238000000034 method Methods 0.000 title claims abstract description 13
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 43
- 239000002689 soil Substances 0.000 claims abstract description 17
- 238000009434 installation Methods 0.000 claims abstract description 8
- 238000001556 precipitation Methods 0.000 claims description 9
- 239000012535 impurity Substances 0.000 abstract description 6
- 238000000605 extraction Methods 0.000 abstract description 5
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 101150054854 POU1F1 gene Proteins 0.000 description 18
- 238000009412 basement excavation Methods 0.000 description 2
- 230000000903 blocking effect Effects 0.000 description 2
- 238000009933 burial Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000005086 pumping Methods 0.000 description 1
- 230000003068 static effect Effects 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
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Classifications
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- 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
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D17/00—Excavations; Bordering of excavations; Making embankments
- E02D17/02—Foundation pits
- E02D17/04—Bordering surfacing or stiffening the sides of foundation pits
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- Engineering & Computer Science (AREA)
- Mining & Mineral Resources (AREA)
- Life Sciences & Earth Sciences (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Environmental & Geological Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Treatment Of Sludge (AREA)
Abstract
The invention discloses a foundation pit dewatering device and method, comprising a dewatering foundation pit, wherein a first installation seat is fixed at the bottom of the foundation pit through bolts, a cross beam is locked on the surface of the first installation seat through screws, and a first support plate is fixed on the surface of the cross beam through bolts. The side of crossbeam has been arranged along its length direction symmetry and has been supported beam, and the one end opening of supporting beam keeping away from the crossbeam is equipped with flexible roof beam in the supporting beam, installs the drive assembly who drives flexible roof beam and stretches out and draws back in the supporting beam to extend to its outside through the opening of flexible roof beam and be fixed with the second backplate. The beneficial effects are that: the distance between the first support plate and the second support plate can be adjusted according to the requirement of the foundation pit, so that the requirement of foundation pit support is met, and the soil loss of the inner wall of the foundation pit during dewatering operation is reduced; in addition, be equipped with filter component between first mount pad and second mount pad, can make the water of foundation ditch inner wall department slowly flow to the extraction region through the water hole, also can block the flow of soil impurity simultaneously.
Description
Technical Field
The invention relates to the technical field of foundation pit dewatering, in particular to a foundation pit dewatering device and a foundation pit dewatering method.
Background
The excavation of foundation ditch belongs to the high-risk building engineering project, and the foundation ditch excavation under the rich water geological condition is owing to the bearing capacity of soil is serious not enough, the water level is off-high, if do not take safe and effective support and precipitation measure, very easily causes collapse and buries the accident. Therefore, in order to ensure engineering safety and environmental safety, it is important to improve the precipitation efficiency and the support level of the foundation pit.
Most of existing foundation pit supporting devices do not have an adjusting structure, cannot be adjusted according to the width and the like of a foundation pit, are inconvenient to install, and cannot well meet the use demands of people; and during precipitation, collapse and burial accidents are easy to occur due to serious insufficient bearing capacity of soil and high water level.
Disclosure of Invention
The invention aims to provide a foundation pit dewatering device and a foundation pit dewatering method, which can adjust the distance between a first support plate and a second support plate according to the requirement of a foundation pit so as to meet the requirement of foundation pit support and reduce soil loss on the inner wall of the foundation pit during dewatering operation; in addition, be equipped with filter component between first mount pad and second mount pad, can make the water of foundation ditch inner wall department slowly flow to the extraction region through the water hole, also can block the flow of soil impurity simultaneously.
The technical scheme of the invention is realized as follows:
the utility model provides a foundation ditch dewatering device, includes the dewatering foundation ditch, there is first mount pad foundation ditch bottom through bolt fastening, the surface of first mount pad is through the screw lock with the crossbeam, the surface of crossbeam is through bolt fastening has first backplate.
The side of crossbeam has been arranged along its length direction symmetry and has been supported beam, the one end opening that the crossbeam was kept away from to the supporting beam, be equipped with flexible roof beam in the supporting beam, install the flexible drive assembly who drives flexible roof beam in the supporting beam to extend to its outside through the opening of flexible roof beam and be fixed with the second backplate, the bottom of flexible roof beam is fixed in the foundation ditch bottom through the second mount pad, the side-mounting of first backplate and second backplate has the support part with foundation ditch inner wall matched with.
The top of first backplate and second backplate is connected through the fixed plate, the water pump is installed at the top of fixed plate, the one end of water pump is connected with the downcomer, and the other end is linked together through outlet pipe and the outside cistern of foundation ditch, be equipped with filter component between first mount pad and the second mount pad.
Further, the driving assembly comprises a telescopic oil cylinder arranged in the supporting beam, and the output end of the telescopic oil cylinder is fixedly connected with one end of the telescopic beam through a connecting block.
Further, the two ends of the connecting block are provided with sliding blocks, and the sliding blocks are in sliding fit with the waist-shaped grooves formed in the side faces of the supporting beams.
Further, the support part comprises a support cylinder arranged on the side surfaces of the first support plate and the second support plate, a support rod is connected with the support cylinder in a threaded manner, one end, far away from the support cylinder, of the support rod is connected with a support plate through a bearing, and the support plate is fixedly connected with the support plate on the inner wall of the foundation pit through soil nails.
Further, the two groups of support parts are respectively arranged along the height direction of the first support plate and the second support plate.
Further, the filter component comprises a filter screen plate, the two ends of the filter screen plate are provided with caulking grooves, and the filter screen plate is in sliding fit with the plugboards on the first installation seat and the second installation seat through the caulking grooves.
Further, a plurality of water holes are formed in the side faces of the first mounting seat and the second mounting seat, and the water holes are located below the filter screen plate.
The foundation pit dewatering method comprises the following steps:
s1: the method comprises the steps that a first mounting seat is fixed at the bottom of a foundation pit through bolts, a cross beam is locked on the surface of the first mounting seat through screws, and a first support plate is fixed on the cross beam through bolts;
s2: the side surfaces of the cross beams are symmetrically provided with supporting beams, the telescopic oil cylinders are started, and the telescopic beams arranged inside the supporting beams are driven by the telescopic oil cylinders to extend to the outside of the supporting beams;
s3: the bottom of the telescopic beam is fixed at the bottom of the foundation pit through a second mounting seat, the top of the telescopic beam is fixed with a second support plate through bolts, and a filter screen plate is mounted between the first mounting seat and the second mounting seat;
s4: fixing a support plate on the inner wall of the foundation pit through a support part;
s5: and a fixed plate is arranged between the first support plate and the second support plate, and a water pump is arranged, so that a water fall pipe connected with the input end of the water pump extends to the upper part of the filter screen plate, a water outlet pipe is communicated with a reservoir outside the foundation pit, and the water pump is started to carry out precipitation operation in the foundation pit.
The beneficial effects of the invention are as follows: the side of the beam is provided with a supporting beam, the output end of the telescopic cylinder is connected with a telescopic beam, the telescopic beam can extend to the outside through an opening of the supporting beam, and a second supporting plate is arranged through the telescopic beam, so that the distance between the first supporting plate and the second supporting plate can be adjusted according to the requirement of a foundation pit, the requirement of foundation pit supporting is met, and the soil loss of the inner wall of the foundation pit during precipitation operation is reduced; in addition, be equipped with filter component between first mount pad and second mount pad, can make the water of foundation ditch inner wall department slowly flow to the extraction region through the water hole, also can block the flow of soil impurity simultaneously, play fine static precipitation effect to foundation ditch bottom precipitation region and periphery.
Drawings
In order to more clearly illustrate the embodiments of the present invention or the technical solutions in the prior art, the drawings that are needed in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments of the present invention, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.
FIG. 1 is a schematic diagram of a foundation pit dewatering apparatus;
FIG. 2 is a partial top view of a foundation pit dewatering apparatus;
fig. 3 is an enlarged view at a in fig. 2.
Fig. 4 is an enlarged view at B in fig. 1.
Detailed Description
The following description of the embodiments of the present invention will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present invention, but not all embodiments.
In the description of the present invention, it should be understood that the terms "upper," "lower," "front," "rear," "left," "right," "top," "bottom," "inner," "outer," and the like indicate or are based on the orientation or positional relationship shown in the drawings, merely to facilitate description of the present invention and to simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present invention.
According to the embodiment of the invention, a foundation pit dewatering device and a foundation pit dewatering method are provided.
Referring to fig. 1-4, a foundation pit dewatering device and a foundation pit dewatering method according to an embodiment of the invention comprise a foundation pit 1, wherein a first installation seat 2 is fixed at the bottom of the foundation pit 1 through bolts, a cross beam 3 is locked on the surface of the first installation seat 2 through screws, and a first support plate 4 is fixed on the surface of the cross beam 3 through bolts.
The side of crossbeam 3 has arranged a supporting beam 5 along its length direction symmetry, the one end opening of crossbeam 3 is kept away from to supporting beam 5, be equipped with flexible roof beam 6 in the supporting beam 5, install the flexible drive assembly 7 of driving flexible roof beam 6 in the supporting beam 5 to extend to its external fixation through the opening of flexible roof beam 6 and have second backplate 8, the bottom of flexible roof beam 6 is fixed in foundation ditch 1 bottom through second mount pad 9, the support part 10 with foundation ditch 1 inner wall matched with is installed to the side of first backplate 4 and second backplate 8.
The top of first backplate 4 and second backplate 8 is connected through fixed plate 11, water pump 12 is installed at the top of fixed plate 11, the one end of water pump 12 is connected with down pipe 13, and the other end is linked together with the outside cistern of foundation ditch 1 through outlet pipe 14, be equipped with filter component 15 between first mount pad 2 and the second mount pad 9.
Referring to fig. 1-2, the cross beam 3 is fixed on the first mounting seat 2, and the first support plate 4 is fixed through bolts of the cross beam 3, and the first mounting seat 2 is fixed at the bottom of the foundation pit 1 through bolts, so that the dismounting and the mounting are convenient.
In addition, be equipped with a supporting beam 5 in the side of crossbeam 3, install drive assembly 7 in supporting beam 5, drive assembly 7 connects flexible roof beam 6, and flexible roof beam 6 accessible supporting beam 5's opening extends to its outside to install second backplate 8 through flexible roof beam 6, can adjust according to the width of foundation ditch 1, satisfy the demand that foundation ditch 1 was strutted, support foundation ditch 1 inner wall through the support part 10 of installing on first backplate 4 and the second backplate 8 at last, avoid the bearing capacity of soil seriously not enough, the water level is off-high, become collapse and buries the accident.
In addition, the filter assembly 15 is arranged between the first mounting seat 2 and the second mounting seat 9, so that the bottom soil or impurities can be prevented from blocking the water falling pipe 13.
Further, the driving assembly 7 includes a telescopic cylinder 71 installed in the support beam 5, and an output end of the telescopic cylinder 71 is fixedly connected with one end of the telescopic beam 6 through a connecting block 72.
Further, two ends of the connecting block 72 are provided with sliding blocks 73, and the sliding blocks 73 are slidably matched with waist-shaped grooves 74 formed in the side surfaces of the supporting beams 5.
Referring to fig. 1 and 2, in the present embodiment, the output end of the telescopic cylinder 71 drives the telescopic beam 6 to move in the length direction thereof within the support beam 5 through the connection block 72. The sliding blocks 73 are arranged at the two ends of the connecting block 72 and are in sliding fit with the waist-shaped grooves 74, so that stability of the telescopic beam 6 during telescopic operation is improved.
Further, the supporting component 10 comprises supporting cylinders 10a installed on the side surfaces of the first supporting plate 4 and the second supporting plate 8, supporting rods 10b are connected with the supporting cylinders 10a in a threaded mode, one ends, far away from the supporting cylinders 10a, of the supporting rods 10b are connected with supporting plates 10c through bearings, and the supporting plates 10c are fixedly connected with supporting plates 16 of the inner wall of the foundation pit 1 through soil nails.
Referring to fig. 1, in the present embodiment, a supporting cylinder 10a is bolted to the side surfaces of a first supporting plate 4 and a second supporting plate 8 through a cylinder seat at the bottom, and is screwed to a supporting rod 10b through a screw groove inside the supporting cylinder, so as to precisely adjust the distance between the supporting rod 10b and the inner wall of a foundation pit 1, and make a supporting plate 10c connected to the supporting rod 10b abut against a supporting plate 16 on the inner wall of the foundation pit 1.
The supporting plate 10c is fixed with the supporting plate 16 on the inner wall of the foundation pit 1 through soil nails, so that the foundation pit 1 is effectively supported, accumulated water in the foundation pit is conveniently used for carrying out teaching operation, and more soil is prevented from entering the foundation pit 1.
Further, the two sets of support members 10 are respectively arranged along the height direction of the first support plate 4 and the second support plate 8.
Referring to fig. 1, two sets of support members 10 are arranged in the height direction of the first support plate 4 and the second support plate 8, so that the support area on the side surface of the foundation pit 1 can be increased, and the stability of supporting the foundation pit 1 can be further improved.
Further, the filter assembly 15 includes a filter screen 15a, and the two ends of the filter screen 15a are provided with caulking grooves 15b, and the caulking grooves 15b are slidably matched with the plug boards on the first mounting seat 2 and the second mounting seat 9.
Referring to fig. 1 and 4, in this embodiment, through the set filter screen plate 15a, the water inside the foundation pit 1 can be prevented from driving soil or impurities to flow during the process of extraction, thereby blocking the downcomer 13 and improving the pumping efficiency.
Further, a plurality of water holes 17 are formed in the side surfaces of the first mounting seat 2 and the second mounting seat 9, and the water holes 17 are located below the filter screen plate 15 a.
Referring to fig. 1, in the present embodiment, by forming a plurality of water holes 17 on the side surfaces of the first mounting seat 2 and the second mounting seat 9, water at the inner wall of the foundation pit 1 can slowly flow to the extraction area through the water holes 17, and at the same time, the flow of soil impurities can be blocked.
The foundation pit dewatering method comprises the following steps:
s1: the first mounting seat 2 is fixed at the bottom of the foundation pit 1 through bolts, the cross beam 3 is locked on the surface of the first mounting seat 2 through screws, and the first support plate 4 is fixed on the cross beam 3 through bolts;
s2: a supporting beam 5 is symmetrically arranged on the side surface of the cross beam 3, a telescopic oil cylinder 71 is started, and the telescopic oil cylinder 71 drives a telescopic beam 6 arranged inside the supporting beam 5 to extend to the outside of the supporting beam 6;
s3: the bottom of the telescopic beam 6 is fixed at the bottom of the foundation pit 1 through a second mounting seat 9, the top of the telescopic beam 6 is fixed with a second support plate 8 through bolts, and a filter screen plate 15a is mounted between the first mounting seat 2 and the second mounting seat 9;
s4: the supporting and protecting plate 16 on the inner wall of the foundation pit 1 is fixed through the supporting and protecting part 10;
s5: a fixed plate 11 is arranged between the first support plate 4 and the second support plate 8, a water pump 12 is arranged, a water dropping pipe 13 connected with the input end of the water pump 12 extends to the upper part of a filter screen plate 15a, a water outlet pipe 14 is communicated with a reservoir outside the foundation pit 1, and the water pump 12 is started to perform precipitation operation in the foundation pit 1.
The foregoing is only a preferred embodiment of the present invention, but the scope of the present invention is not limited thereto, and any person skilled in the art, who is within the scope of the present invention, should make equivalent substitutions or modifications according to the technical scheme of the present invention and the inventive concept thereof, and should be covered by the scope of the present invention.
Claims (8)
1. The foundation pit dewatering device is characterized by comprising a dewatering foundation pit (1), wherein a first installation seat (2) is fixed at the bottom of the foundation pit (1) through bolts, a cross beam (3) is locked on the surface of the first installation seat (2) through screws, and a first support plate (4) is fixed on the surface of the cross beam (3) through bolts;
the side of the beam (3) is symmetrically provided with a supporting beam (5) along the length direction, one end of the supporting beam (5) far away from the beam (3) is opened, a telescopic beam (6) is arranged in the supporting beam (5), a driving assembly (7) for driving the telescopic beam (6) to stretch out and draw back is arranged in the supporting beam (5), the driving assembly extends to the outside through the opening of the telescopic beam (6) and is fixedly provided with a second supporting plate (8), the bottom end of the telescopic beam (6) is fixed at the bottom of the foundation pit (1) through a second mounting seat (9), and supporting components (10) matched with the inner wall of the foundation pit (1) are arranged on the side surfaces of the first supporting plate (4) and the second supporting plate (8);
the water pump (12) is installed at the top of fixed plate (11), one end of water pump (12) is connected with downcomer (13), and the other end is linked together through outlet pipe (14) and the outside cistern of foundation ditch (1), be equipped with filter component (15) between first mount pad (2) and second mount pad (9).
2. A foundation pit dewatering device according to claim 1, characterized in that the drive assembly (7) comprises a telescopic cylinder (71) mounted in the support beam (5), the output end of the telescopic cylinder (71) being fixedly connected with one end of the telescopic beam (6) by means of a connecting block (72).
3. The foundation pit dewatering device according to claim 2, wherein two ends of the connecting block (72) are provided with sliding blocks (73), and the sliding blocks (73) are in sliding fit with waist-shaped grooves (74) formed in the side faces of the supporting beams (5).
4. The foundation pit dewatering device according to claim 1, wherein the supporting component (10) comprises supporting cylinders (10 a) arranged on the side surfaces of the first supporting plate (4) and the second supporting plate (8), supporting rods (10 b) are connected with the supporting cylinders (10 a) in an internal thread mode, one ends, far away from the supporting cylinders (10 a), of the supporting rods (10 b) are connected with supporting plates (10 c) through bearings, and the supporting plates (10 c) are fixedly connected with supporting plates (16) of the inner wall of the foundation pit (1) through soil nails.
5. Foundation pit dewatering device according to claim 4, characterized in that the support elements (10) are arranged in two groups, respectively in the height direction of the first support plate (4) and the second support plate (8).
6. A foundation pit dewatering device according to claim 1, characterized in that the filter assembly (15) comprises a filter screen (15 a), wherein the two ends of the filter screen (15 a) are provided with panels (15 b) and are in sliding fit with the plug boards on the first mounting seat (2) and the second mounting seat (9) through the panels (15 b).
7. The foundation pit dewatering device according to claim 6, wherein a plurality of water holes (17) are formed in the side surfaces of the first mounting seat (2) and the second mounting seat (9), and the water holes (17) are located below the filter screen plate (15 a).
8. A method of dewatering a pit according to claim 1, comprising the steps of:
s1: the method comprises the steps that a first mounting seat (2) is fixed at the bottom of a foundation pit (1) through bolts, a cross beam (3) is locked and attached to the surface of the first mounting seat (2) through screws, and a first support plate (4) is fixed on the cross beam (3) through bolts;
s2: a supporting beam (5) is symmetrically arranged on the side surface of the cross beam (3), a telescopic oil cylinder (71) is started, and a telescopic beam (6) arranged in the supporting beam (5) is driven by the telescopic oil cylinder (71) to extend to the outside of the supporting beam;
s3: the bottom of the telescopic beam (6) is fixed at the bottom of the foundation pit (1) through a second mounting seat (9), the top of the telescopic beam (6) is fixed with a second support plate (8) through bolts, and a filter screen plate (15 a) is mounted between the first mounting seat (2) and the second mounting seat (9);
s4: the supporting part (10) is used for fixing the supporting plate (16) on the inner wall of the foundation pit (1);
s5: a fixed plate (11) is arranged between the first support plate (4) and the second support plate (8), a water pump (12) is arranged, a water falling pipe (13) connected with the input end of the water pump (12) extends to the upper portion of the filter screen plate (15 a), a water outlet pipe (14) is communicated with a reservoir outside the foundation pit (1), and the water pump (12) is started to carry out precipitation operation in the foundation pit (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310111617.XA CN116356860A (en) | 2023-02-10 | 2023-02-10 | Foundation pit dewatering device and method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202310111617.XA CN116356860A (en) | 2023-02-10 | 2023-02-10 | Foundation pit dewatering device and method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN116356860A true CN116356860A (en) | 2023-06-30 |
Family
ID=86910816
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202310111617.XA Pending CN116356860A (en) | 2023-02-10 | 2023-02-10 | Foundation pit dewatering device and method |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN116356860A (en) |
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2023
- 2023-02-10 CN CN202310111617.XA patent/CN116356860A/en active Pending
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