CN114855845A - Pumping and drainage device for large foundation pit and construction method - Google Patents
Pumping and drainage device for large foundation pit and construction method Download PDFInfo
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- CN114855845A CN114855845A CN202210577603.2A CN202210577603A CN114855845A CN 114855845 A CN114855845 A CN 114855845A CN 202210577603 A CN202210577603 A CN 202210577603A CN 114855845 A CN114855845 A CN 114855845A
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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
- E02D19/10—Restraining of underground water by lowering level of ground water
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- 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
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F3/00—Sewer pipe-line systems
- E03F3/04—Pipes or fittings specially adapted to sewers
- E03F3/046—Open sewage channels
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/04—Gullies inlets, road sinks, floor drains with or without odour seals or sediment traps
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/10—Collecting-tanks; Equalising-tanks for regulating the run-off; Laying-up basins
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/14—Devices for separating liquid or solid substances from sewage, e.g. sand or sludge traps, rakes or grates
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- E—FIXED CONSTRUCTIONS
- E03—WATER SUPPLY; SEWERAGE
- E03F—SEWERS; CESSPOOLS
- E03F5/00—Sewerage structures
- E03F5/22—Adaptations of pumping plants for lifting sewage
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- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A20/00—Water conservation; Efficient water supply; Efficient water use
- Y02A20/20—Controlling water pollution; Waste water treatment
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Health & Medical Sciences (AREA)
- Water Supply & Treatment (AREA)
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- Mining & Mineral Resources (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Paleontology (AREA)
- Environmental & Geological Engineering (AREA)
- Investigation Of Foundation Soil And Reinforcement Of Foundation Soil By Compacting Or Drainage (AREA)
Abstract
The invention discloses a pumping drainage device for a large foundation pit and a construction method of the pumping drainage device. According to the invention, garbage floating on the water surface can be intercepted and collected through the floater intercepting component, the floater intercepting component is automatically adjusted according to the height of the water level through the floating block, the blockage of the through hole in the connector can be prevented through the blockage preventing component, the floater intercepting component and the blockage preventing component do not need to be supported by power, and power is provided through water flow, so that the cost is greatly saved, and the economic benefit is favorably improved.
Description
Technical Field
The invention relates to the field of foundation pit drainage, in particular to a pumping and drainage device for a large foundation pit and a construction method.
Background
Foundation pit dewatering means when excavation foundation pit, and ground water level is higher than the excavation bottom surface, and groundwater can constantly permeate the hole in, for guaranteeing that the foundation pit can be under the dry condition construction, prevent the precipitation work that slope unstability, basic quicksand, the uplift of pit bottom, the piping of pit bottom and foundation bearing capacity descend and do, foundation pit dewatering method mainly has: the method is characterized by comprising the steps of open trench and water collecting well dewatering, light well point dewatering, jet well point dewatering, electroosmosis well point dewatering and deep well point dewatering, wherein the open trench and water collecting well dewatering is simple in construction and low in cost, and can be most commonly applied to construction sites to remove underground diving, construction water and natural precipitation rainwater.
Most of pumping drainage devices of existing foundation pits adopt open ditches and water collecting wells for dewatering, but the open ditches and the water collecting wells are exposed outside, leaves, garbage bags, soil blocks and the like easily fall off in the drainage ditches in the using process, and water pumping pipes are easily blocked in the drainage ditches along with water flow entering the water collecting wells.
Therefore, it is necessary to provide a drainage device and a construction method for a large foundation pit to solve the above problems.
Disclosure of Invention
The invention aims to provide a pumping and drainage device for a large foundation pit and a construction method, wherein garbage floating on the water surface can be intercepted and collected through a floater intercepting component, the floater intercepting component can be automatically adjusted according to the water level height through a floating block, a through hole can be prevented from being blocked through an anti-blocking component, the floater intercepting component and the anti-blocking component do not need to be supported by power, and power is provided through water flow, so that the cost is greatly saved, and the economic benefit is improved.
In order to achieve the above purpose, the invention provides the following technical scheme: a pumping and drainage device for a large foundation pit comprises a foundation pit body, a water collecting assembly, a drainage assembly, a floater intercepting assembly and an anti-blocking assembly, wherein the foundation pit body is arranged in an inverted trapezoid shape, a drainage groove is formed in the side edge of the top of the foundation pit body, the water collecting assembly comprises a bottom drainage open ditch and a side wall drainage open ditch, the bottom drainage open ditch is arranged on the periphery of the bottom of the foundation pit body, water collecting wells are formed in four corners of the bottom drainage open ditch and the side wall drainage open ditch, drainage baffles are arranged on the inner walls of the bottom drainage open ditch and the side wall drainage open ditch, a water collecting baffle is arranged on the inner wall of each water collecting well, a water inlet is fixedly connected to one side, far away from the foundation pit body, of the inner wall of each drainage baffle, the floater intercepting assembly is arranged inside the water collecting baffles and close to one end of the water collecting wells, the drainage assembly comprises a plurality of water pumps, and water pumping pipes are fixedly connected to the input ends of the plurality of the water pumps, the water pumping pipes correspond to the water collecting wells one by one, the output ends of the water pumps are fixedly connected with water outlet pipes, and the water outlet pipes extend into the drainage grooves;
prevent stifled subassembly and include the connector, the top of connector and the bottom threaded connection of drinking-water pipe, the connector has been seted up to the inside of drinking-water pipe, the bottom fixedly connected with bearing of connector, the inside of bearing is rotated and is connected with the pole setting, the one end of pole setting extends to the inside of connector, and the one end fixedly connected with impeller of connector, the other end of pole setting extends to the outside of connector, the other end fixedly connected with scraper blade of pole setting, the scraper blade is laminated with the outer wall of connector mutually.
Preferably, the number of the side wall open drain ditches is multiple, and the side wall open drain ditches are uniformly arranged on the side wall of the foundation pit body.
Preferably, the inner wall fixedly connected with fixed lug of drainage baffle, floater intercepting component includes the connecting rod, the connecting rod is articulated with fixed lug, the tip fixedly connected with filter of connecting rod, the tip of filter articulates there is the floating frame, the floating frame is including fixing the curb plate in floating frame package both sides, one side fixedly connected with filtration baffle that the filter was kept away from to the floating frame.
Preferably, the filter plate, the floating frame and the filter baffle are all arranged in a net shape.
Preferably, the bottom four corners of the floating frame are fixedly connected with floating blocks, and one side of each floating block, which is close to the filter plate, is obliquely arranged.
Preferably, the outer side of the connector is provided with a limiting groove, the limiting groove is arranged above the through hole, and the end part of the scraper blade is fixedly connected with a lug matched with the limiting groove.
Preferably, the end part of the bump is fixedly connected with a caster, and the caster is attached to the limit groove.
A construction method of a pumping and drainage device for a large foundation pit, comprising the pumping and drainage device for a large foundation pit according to any one of claims 1 to 8, wherein the treatment steps are as follows:
the method comprises the following steps: excavating a foundation pit body at a designated position, when the foundation pit body is excavated to an underground water line, arranging side wall drainage open ditches around the bottom of the foundation pit, and arranging water collecting wells at four corners of the side wall drainage open ditches;
step two: laying a drainage baffle on the inner side wall of the side wall drainage open ditch, laying a water collecting baffle on the inner side wall of the water collecting well, arranging a drainage groove on the side of the top of the foundation pit body, arranging a water inlet on the side wall of the foundation pit body, and arranging a water outlet of the water inlet in the drainage baffle;
step three: a water pump is arranged between the drainage channel and the foundation pit body, a water outlet pipe of the water pump extends into the drainage channel, a connector is connected to the bottom of a water pumping pipe in a threaded manner, the water pumping pipe is placed in the water collecting well, a limiting plate at the bottom of the water pumping pipe is placed at the top of a drainage baffle above the water collecting well, the water pumping pipe of the water pump extends into the water collecting well, and therefore water in the water collecting well is pumped into the drainage channel;
step four: continuously excavating the foundation pit body downwards, after excavating for 2m, forming a group of side wall drainage open ditches around the bottom, forming water collecting wells at four corners of the side wall drainage open ditches, repeating the operation of the second step until reaching the bottommost layer, forming bottom drainage open ditches around the bottom of the foundation pit body, forming water collecting wells around the bottom drainage open ditches, and repeating the operation of the second step;
step five: and arranging a floater intercepting component at one end of the bottom open drain and the side wall open drain close to the water collecting well, so that the filtering baffle of the floater intercepting component is close to one side of the water collecting well.
In the technical scheme, the invention provides the following technical effects and advantages:
1. the drainage open ditches are drained through the multiple layers of side walls, the drainage open ditches can be excavated according to the depth of the foundation pit, the drainage force is adjusted, water flow impacts the floater intercepting component, the floater intercepting component is inclined towards one side of the water collecting well, so that garbage floating on the water surface can be favorably prevented from entering the floating frame through the filter plate, redundant water is filtered out through the floating frame, the garbage is favorably intercepted and collected, the garbage is prevented from entering the water collecting well, when the water flow is enlarged and the water level is raised, the floating frame is lifted upwards under the action of the floating block to drive the side plates to rotate, so that the garbage in the floating frame is prevented from being washed away by the water flow, and the water enters the water collecting baffle through the drainage baffle;
2. through the water pump in with the sump pit water suction pipe, rivers drive the impeller and rotate, the impeller passes through the pole setting and drives the scraper blade and rotate at the connector outer wall, thereby clear up the adnexed rubbish of connector outer wall, prevent the through-hole jam, wherein the truckle of pole setting tip slides at spacing inslot portion, can carry on spacingly to the scraper blade, and truckle and bearing can reduce the frictional force of device, the device operation of being convenient for, floater interception subassembly and anti-blocking subassembly all need not carry out power and support, provide power through rivers, the cost is greatly practiced thrift, be favorable to improving economic benefits.
Drawings
In order to more clearly illustrate the embodiments of the present application or technical solutions in the prior art, the drawings needed to be used in the embodiments will be briefly described below, and it is obvious that the drawings in the following description are only some embodiments described in the present invention, and other drawings can be obtained by those skilled in the art according to the drawings.
FIG. 1 is a schematic cross-sectional view of a foundation pit according to the present invention;
FIG. 2 is a schematic view of the connection structure of the drainage baffle and the water collection baffle of the present invention;
FIG. 3 is a schematic view of the connection structure of the drainage baffle and the float intercepting assembly of the present invention;
FIG. 4 is a schematic view of the connection structure of the water-collecting baffle and the water pumping pipe of the present invention;
FIG. 5 is a schematic perspective view of the float interception assembly of the present invention;
FIG. 6 is a schematic view of the connection structure of the floating frame and the floating block of the present invention;
FIG. 7 is an exploded view of the connector of the present invention;
FIG. 8 is a schematic view of the internal structure of the connecting head according to the present invention;
fig. 9 is an enlarged schematic view of a portion a of fig. 8 according to the present invention.
Description of reference numerals:
1. a foundation pit body; 11. a water discharge tank; 12. bottom drainage open ditches; 2. a water pump; 21. a water pumping pipe; 22. a limiting plate; 3. a drain baffle; 31. a water collecting baffle; 32. a water inlet; 33. fixing the bump; 4. a connecting rod; 41. a filter plate; 42. a floating frame; 43. a filtering baffle; 44. a side plate; 45. a floating block; 5. a connector; 51. a through hole; 52. a limiting groove; 53. a bearing; 6. erecting a rod; 61. an impeller; 62. a squeegee; 63. and a caster.
Detailed Description
In order to make those skilled in the art better understand the technical solution of the present invention, the present invention will be further described in detail with reference to the accompanying drawings.
The invention provides a pumping drainage device for a large foundation pit and a construction method thereof as shown in figures 1-9, the pumping drainage device comprises a foundation pit body 1, a water collecting component, a drainage component, a floater intercepting component and an anti-blocking component, wherein the foundation pit body 1 is arranged in an inverted trapezoid shape, a drainage groove 11 is formed in the side edge of the top of the foundation pit body 1, the water collecting component comprises a bottom drainage open ditch 12 and a side wall drainage open ditch, the bottom drainage open ditch 12 is arranged at the periphery of the bottom of the foundation pit body 1, four corners of the bottom drainage open ditch 12 and the side wall drainage open ditch are respectively provided with a water collecting well, the inner walls of the bottom drainage open ditch 12 and the side wall drainage open ditch are respectively provided with a drainage baffle plate 3, the inner wall of each water collecting well is provided with a water collecting baffle plate 31, one side of the inner wall of the drainage baffle plate 3, which is far away from the foundation pit body 1, is fixedly connected with a water inlet 32, the floater intercepting component is arranged at one end, close to the water collecting well, inside the water collecting baffle plate 31, the drainage assembly comprises a plurality of water pumps 2, the input ends of the water pumps 2 are fixedly connected with water pumping pipes 21, the water pumping pipes 21 correspond to the water collecting wells one by one, the output ends of the water pumps 2 are fixedly connected with water outlet pipes, and the water outlet pipes extend into the drainage channel 11;
prevent stifled subassembly and include connector 5, the top of connector 5 and the bottom threaded connection of drinking-water pipe 21, connector 5 has been seted up to the inside of drinking-water pipe 21, the bottom fixedly connected with bearing 53 of connector 5, bearing 53's inside rotation is connected with pole setting 6, the one end of pole setting 6 extends to the inside of connector 5, and the one end fixedly connected with impeller 61 of connector 5, the other end of pole setting 6 extends to the outside of connector 5, the other end fixedly connected with scraper blade 62 of pole setting 6, scraper blade 62 laminates mutually with the outer wall of connector 5.
The quantity of lateral wall drainage open ditches is provided with a plurality ofly, and is a plurality of lateral wall drainage open ditches evenly sets up on the lateral wall of foundation ditch body 1, is favorable to carrying out the multilayer drainage according to the degree of depth of foundation ditch.
The fixed lug 33 of inner wall fixedly connected with of drainage baffle 3, floater interception subassembly includes connecting rod 4, connecting rod 4 is articulated with fixed lug 33, the tip fixedly connected with filter 41 of connecting rod 4, the tip of filter 41 articulates there is floating frame 42, floating frame 42 is including fixing the curb plate 44 that floats frame 42 package both sides, one side fixedly connected with filtering baffle 43 that floating frame 42 kept away from filter 41 can intercept and collect the surface of water floater.
The filter plate 41, the floating frame 42 and the filter baffle 43 are all arranged in a net shape, so that water carried by garbage can be filtered out conveniently.
The bottom four corners of the floating frame 42 are fixedly connected with floating blocks 45, and one side of each floating block 45, which is close to the filter plate 41, is inclined, so that the floating frame 42 can be lifted automatically according to the water level change.
The outside of connector 5 is provided with spacing groove 52, spacing groove 52 sets up in the top of through-hole 51, the tip fixedly connected with of scraper blade 62 and spacing groove 52 matched with lug can clean connector 5, prevent to block up.
The tip fixedly connected with truckle 63 of lug, truckle 63 laminates mutually with spacing groove 52, is favorable to reducing the device running resistance.
A construction method of a pumping and drainage device for a large foundation pit, comprising the pumping and drainage device for a large foundation pit according to any one of claims 1 to 8, wherein the treatment steps are as follows:
the method comprises the following steps: excavating a foundation pit body 1 at a designated position, when the foundation pit body 1 is excavated to an underground water line, arranging side wall drainage open ditches around the bottom of the foundation pit, and arranging water collecting wells at four corners of the side wall drainage open ditches;
step two: laying a drainage baffle 3 on the inner side wall of the side wall drainage open ditch, laying a water collecting baffle 31 on the inner side wall of the water collecting well, arranging a drainage groove 11 on the side of the top of the foundation pit body 1, arranging a water inlet 32 on the side wall of the foundation pit body 1, and arranging a water outlet of the water inlet 32 in the drainage baffle 3;
step three: a water pump 2 is arranged between the drainage channel 11 and the foundation pit body 1, a water outlet pipe of the water pump 2 extends into the drainage channel 11, a connector 5 is in threaded connection with the bottom of a water pumping pipe 21, the water pumping pipe 21 is placed in a water collecting well, a limiting plate 22 at the bottom of the water pumping pipe 21 is placed at the top of a drainage baffle 3 above the water collecting well, the water pumping pipe 21 of the water pump 2 extends into the water collecting well, and therefore water in the water collecting well is pumped into the drainage channel 11;
step four: continuously downwards excavating the foundation pit body 1, after excavating for 2m, forming a group of side wall drainage open ditches around the bottom, forming water collecting wells at four corners of the side wall drainage open ditches, repeating the operation of the second step until reaching the bottommost layer, forming bottom drainage open ditches 12 around the bottom of the foundation pit body 1, forming water collecting wells around the bottom drainage open ditches 12, and repeating the operation of the second step;
step five: a floater intercepting component is arranged at one end of the bottom drainage open ditch 12 and the side wall drainage open ditch close to the water collecting well, so that the filtering baffle 43 of the floater intercepting component is close to one side of the water collecting well.
The working principle of the invention is as follows:
referring to the attached drawings 1, 2, 3, 4 and 7 of the specification, firstly, a foundation pit body 1 is excavated at a designated position, when the foundation pit body 1 is excavated to an underground water line, side wall drainage open ditches are arranged around the bottom of the foundation pit, water collecting wells are arranged at four corners of the side wall drainage open ditches, drainage baffles 3 are laid on the inner side walls of the side wall drainage open ditches, water collecting baffles 31 are laid on the inner side walls of the water collecting wells, drainage grooves 11 are arranged on the side edges of the top of the foundation pit body 1, water inlets 32 are arranged on the side walls of the foundation pit body 1, water outlets of the water inlets 32 are arranged in the drainage baffles 3, a water pump 2 is arranged between the drainage grooves 11 and the foundation pit body 1, water outlet pipes of the water pump 2 extend to the inside of the drainage grooves 11, connectors 5 are connected to the bottom of water pumping pipes 21 in a threaded manner, the water pumping pipes 21 are arranged inside the water collecting wells, limiting plates 22 at the bottoms of the water pumping pipes 21 are arranged at the tops of the drainage baffles 3 above the water collecting wells, and the water pumping pipes 21 extend to the water pumping pipes 21 of the water pumping pipes 2 to the top of the water collecting wells The method comprises the following steps of pumping water of a water collecting well into a water drainage tank 11, then continuously downwards excavating a foundation pit body 1, after the depth of 2m is excavated, excavating a group of side wall drainage open ditches around the bottom, excavating the water collecting wells at four corners of the side wall drainage open ditches until the bottom layer is excavated, excavating the drainage open ditches according to the depth of the foundation pit, adjusting drainage force, arranging a floater intercepting component at one end of each of the bottom drainage open ditches 12 and the side wall drainage open ditches, which is close to the water collecting well, and enabling a filtering baffle 43 of the floater intercepting component to be close to one side of the water collecting well;
referring to the attached drawings 1-9 of the specification, water flow impacts the floater intercepting assembly to incline the floater intercepting assembly to one side of the water collecting well, so that garbage floating on the water surface can enter the floating frame 42 through the filter plate 41, redundant water is filtered out through the floating frame 42, garbage is intercepted and collected, and is prevented from entering the water collecting well, when the water flow is enlarged and the water level is raised, the floating frame 42 is raised upwards under the action of the floating block 45 to drive the side plate 44 to rotate, so that garbage in the floating frame 42 is prevented from being washed away by the water flow, the water enters the water collecting baffle 31 through the drainage baffle 3, the water pump 2 pumps out the water in the water collecting well through the water pumping pipe 21, the water enters the connector 5 through the through hole 51 and passes through the impeller 61, the water flow drives the impeller 61 to rotate, the impeller 61 drives the upright 6 to rotate, the upright 6 drives the scraper 62 to rotate, make scraper blade 62 rotate at connector 5 outer wall to clearing up the adnexed rubbish of connector 5 outer wall, preventing that through-hole 51 from blockking up, wherein the tip of pole setting 6 is provided with the lug, and the truckle 63 of lug avris slides in spacing groove 52 is inside, can carry on spacingly to scraper blade 62, and truckle 63 and bearing 53 can reduce the frictional force of device, the device operation of being convenient for.
While certain exemplary embodiments of the present invention have been described above by way of illustration only, it will be apparent to those of ordinary skill in the art that the described embodiments may be modified in various different ways without departing from the spirit and scope of the invention. Accordingly, the drawings and description are illustrative in nature and are not to be construed as limiting the scope of the invention.
Claims (8)
1. The utility model provides a take out drainage device for large-scale foundation ditch, includes foundation ditch body (1), water collection component, drainage component, floater interception subassembly and anti-blocking component, its characterized in that: the foundation pit is characterized in that the foundation pit body (1) is arranged in an inverted trapezoid shape, a drainage groove (11) is formed in the side edge of the top of the foundation pit body (1), the water collecting component comprises a bottom drainage open ditch (12) and a side wall drainage open ditch, the bottom drainage open ditch (12) is arranged on the periphery of the bottom of the foundation pit body (1), water collecting wells are formed in the four corners of the bottom drainage open ditch (12) and the side wall drainage open ditch, drainage baffles (3) are arranged on the inner walls of the bottom drainage open ditch (12) and the side wall drainage open ditch, a water collecting baffle (31) is arranged on the inner wall of each water collecting well, a water inlet (32) is fixedly connected to one side, away from the foundation pit body (1), of the inner wall of each drainage baffle (3), a floater intercepting component is arranged inside the water collecting baffles (31) and close to one end of each water collecting well, the drainage component comprises a plurality of water pumps (2), and water pumping pipes (21) are fixedly connected to the input ends of the plurality of the water pumps (2), the water pumping pipes (21) correspond to the water collecting wells one by one, the output ends of the water pumps (2) are fixedly connected with water outlet pipes, and the water outlet pipes extend into the drainage groove (11);
prevent stifled subassembly and include connector (5), the top of connector (5) and the bottom threaded connection of drinking-water pipe (21), connector (5) have been seted up to the inside of drinking-water pipe (21), the bottom fixedly connected with bearing (53) of connector (5), the inside rotation of bearing (53) is connected with pole setting (6), the one end of pole setting (6) extends to the inside of connector (5), and the one end fixedly connected with impeller (61) of connector (5), the other end of pole setting (6) extends to the outside of connector (5), the other end fixedly connected with scraper blade (62) of pole setting (6), scraper blade (62) laminate mutually with the outer wall of connector (5).
2. The pumping and drainage device for the large foundation pit according to claim 1, wherein: the quantity of the side wall drainage open ditches is provided with a plurality of, and the side wall drainage open ditches are uniformly arranged on the side wall of the foundation pit body (1).
3. The pumping and drainage device for the large foundation pit according to claim 1, wherein: the inner wall fixedly connected with fixed lug (33) of drainage baffle (3), the floater interception subassembly includes connecting rod (4), connecting rod (4) are articulated with fixed lug (33), the tip fixedly connected with filter (41) of connecting rod (4), the tip of filter (41) articulates there is floating frame (42), floating frame (42) are including fixing curb plate (44) in floating frame (42) package both sides, one side fixedly connected with filtering baffle (43) of filter (41) are kept away from to floating frame (42).
4. The pumping and drainage device for the large foundation pit according to claim 1, wherein: the filter plate (41), the floating frame (42) and the filter baffle (43) are all arranged to be net-shaped.
5. The pumping and drainage device for the large foundation pit according to claim 1, wherein: the bottom four corners of the floating frame (42) are fixedly connected with floating blocks (45), and one side of each floating block (45) close to the filter plate (41) is obliquely arranged.
6. The pumping and drainage device for the large foundation pit according to claim 1, wherein: the outside of connector (5) is provided with spacing groove (52), spacing groove (52) set up in the top of through-hole (51), the tip fixedly connected with of scraper blade (62) and spacing groove (52) matched with lug.
7. The pumping and drainage device for the large foundation pit according to claim 1, wherein: the end part of the bump is fixedly connected with a caster (63), and the caster (63) is attached to the limiting groove (52).
8. A construction method of a pumping drainage device for a large foundation pit, comprising the pumping drainage device for a large foundation pit according to any one of claims 1 to 8, characterized in that: the treatment steps are as follows:
the method comprises the following steps: excavating a foundation pit body (1) at a designated position, when the foundation pit body (1) is excavated to an underground water level line, arranging side wall drainage open ditches around the bottom of the foundation pit, and arranging water collecting wells at four corners of the side wall drainage open ditches;
step two: a drainage baffle (3) is laid on the inner side wall of the side wall drainage open ditch, a water collecting baffle (31) is laid on the inner side wall of the water collecting well, a drainage groove (11) is formed in the side of the top of the foundation pit body (1), a water inlet (32) is formed in the side wall of the foundation pit body (1), and a water outlet of the water inlet (32) is arranged in the drainage baffle (3);
step three: a water pump (2) is installed between the drainage groove (11) and the foundation pit body (1), a water outlet pipe of the water pump (2) extends to the inside of the drainage groove (11), a connector (5) is connected to the bottom of a water pumping pipe (21) in a threaded mode, the water pumping pipe (21) is placed inside a water collecting well, a limiting plate (22) at the bottom of the water pumping pipe (21) is placed at the top of a drainage baffle (3) above the water collecting well, the water pumping pipe (21) of the water pump (2) extends to the inside of the water collecting well, and therefore water of the water collecting well is pumped to the inside of the drainage groove (11);
step four: continuously downwards excavating the foundation pit body (1), after excavating for 2m, forming a group of side wall drainage open ditches around the bottom, forming water collecting wells at four corners of the side wall drainage open ditches, repeating the operation of the second step until reaching the bottommost layer, forming bottom drainage open ditches (12) around the bottom of the foundation pit body (1), forming water collecting wells around the bottom drainage open ditches (12), and repeating the operation of the second step;
step five: a floater intercepting component is arranged at one end of the bottom drainage open ditch (12) and the side wall drainage open ditch close to the water collecting well, so that a filtering baffle (43) of the floater intercepting component is close to one side of the water collecting well.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210577603.2A CN114855845A (en) | 2022-05-25 | 2022-05-25 | Pumping and drainage device for large foundation pit and construction method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202210577603.2A CN114855845A (en) | 2022-05-25 | 2022-05-25 | Pumping and drainage device for large foundation pit and construction method |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN114855845A true CN114855845A (en) | 2022-08-05 |
Family
ID=82638725
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202210577603.2A Pending CN114855845A (en) | 2022-05-25 | 2022-05-25 | Pumping and drainage device for large foundation pit and construction method |
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| CN (1) | CN114855845A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115387368A (en) * | 2022-09-12 | 2022-11-25 | 中铁十四局集团第四工程有限公司 | Deep foundation pit drainage device |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN206245326U (en) * | 2016-12-06 | 2017-06-13 | 正坚建设有限公司 | A kind of drainage system of building foundation pit |
| KR101794162B1 (en) * | 2016-08-03 | 2017-11-07 | 우광티엔씨(주) | Floatage filtering facility with a floatage collector |
| CN207419654U (en) * | 2017-10-27 | 2018-05-29 | 吴爽 | A kind of filtering type municipal administration rhone |
| CN109137859A (en) * | 2018-01-23 | 2019-01-04 | 杭州古伽船舶科技有限公司 | A kind of floater automatic collecting device |
| CN210151748U (en) * | 2019-04-03 | 2020-03-17 | 中建二局第三建筑工程有限公司 | Foundation pit water collection surface drainage dewatering system |
| CN110925497A (en) * | 2019-12-04 | 2020-03-27 | 谢虹 | Pipeline structure capable of drawing accumulated water after splicing for water conservancy construction |
| CN212742596U (en) * | 2020-07-24 | 2021-03-19 | 福建省欣硕景观绿化有限公司 | Building foundation pit drainage system |
| CN216108397U (en) * | 2021-08-14 | 2022-03-22 | 赵显东 | Lake surface sundry cleaning equipment |
-
2022
- 2022-05-25 CN CN202210577603.2A patent/CN114855845A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101794162B1 (en) * | 2016-08-03 | 2017-11-07 | 우광티엔씨(주) | Floatage filtering facility with a floatage collector |
| CN206245326U (en) * | 2016-12-06 | 2017-06-13 | 正坚建设有限公司 | A kind of drainage system of building foundation pit |
| CN207419654U (en) * | 2017-10-27 | 2018-05-29 | 吴爽 | A kind of filtering type municipal administration rhone |
| CN109137859A (en) * | 2018-01-23 | 2019-01-04 | 杭州古伽船舶科技有限公司 | A kind of floater automatic collecting device |
| CN210151748U (en) * | 2019-04-03 | 2020-03-17 | 中建二局第三建筑工程有限公司 | Foundation pit water collection surface drainage dewatering system |
| CN110925497A (en) * | 2019-12-04 | 2020-03-27 | 谢虹 | Pipeline structure capable of drawing accumulated water after splicing for water conservancy construction |
| CN212742596U (en) * | 2020-07-24 | 2021-03-19 | 福建省欣硕景观绿化有限公司 | Building foundation pit drainage system |
| CN216108397U (en) * | 2021-08-14 | 2022-03-22 | 赵显东 | Lake surface sundry cleaning equipment |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115387368A (en) * | 2022-09-12 | 2022-11-25 | 中铁十四局集团第四工程有限公司 | Deep foundation pit drainage device |
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