CN111794257B - Foundation pit dewatering device - Google Patents
Foundation pit dewatering device Download PDFInfo
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- CN111794257B CN111794257B CN202010713836.1A CN202010713836A CN111794257B CN 111794257 B CN111794257 B CN 111794257B CN 202010713836 A CN202010713836 A CN 202010713836A CN 111794257 B CN111794257 B CN 111794257B
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- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 155
- 238000009434 installation Methods 0.000 claims description 57
- 230000008878 coupling Effects 0.000 claims description 28
- 238000010168 coupling process Methods 0.000 claims description 28
- 238000005859 coupling reaction Methods 0.000 claims description 28
- 239000004575 stone Substances 0.000 claims description 16
- 230000002093 peripheral effect Effects 0.000 claims description 14
- 230000003014 reinforcing effect Effects 0.000 claims description 10
- 230000006978 adaptation Effects 0.000 claims description 8
- 230000000149 penetrating effect Effects 0.000 claims description 3
- 238000001556 precipitation Methods 0.000 claims description 3
- 239000003651 drinking water Substances 0.000 claims description 2
- 235000020188 drinking water Nutrition 0.000 claims description 2
- 230000001788 irregular Effects 0.000 claims description 2
- 238000010276 construction Methods 0.000 abstract description 6
- 230000008901 benefit Effects 0.000 abstract description 2
- 239000002689 soil Substances 0.000 description 11
- 230000008595 infiltration Effects 0.000 description 7
- 238000001764 infiltration Methods 0.000 description 7
- 238000000034 method Methods 0.000 description 6
- 230000008569 process Effects 0.000 description 5
- 230000002787 reinforcement Effects 0.000 description 5
- 230000000694 effects Effects 0.000 description 4
- 238000001914 filtration Methods 0.000 description 4
- 238000002955 isolation Methods 0.000 description 4
- 101150054854 POU1F1 gene Proteins 0.000 description 3
- 238000005728 strengthening Methods 0.000 description 3
- 238000009412 basement excavation Methods 0.000 description 2
- 230000008859 change Effects 0.000 description 2
- 238000005086 pumping Methods 0.000 description 2
- 238000007789 sealing Methods 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 230000002547 anomalous effect Effects 0.000 description 1
- 230000009286 beneficial effect Effects 0.000 description 1
- 125000004122 cyclic group Chemical group 0.000 description 1
- 230000007547 defect Effects 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 210000003462 vein Anatomy 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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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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- 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
- B01D29/01—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 flat filtering elements
-
- 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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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- General Engineering & Computer Science (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Structural Engineering (AREA)
- Hydrology & Water Resources (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (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 foundation pit dewatering device, which relates to the technical field of water conservancy construction and solves the problem that a water suction pump is easy to block when water in a permeable well is extracted. It has the advantage that clogging of the suction pump can be reduced as much as possible.
Description
Technical Field
The invention relates to the technical field of water conservancy construction, in particular to a foundation pit dewatering device.
Background
At present, with the development of society, some capital construction projects are gradually promoted, a plurality of projects involve excavation of foundation pits in the construction process, the number of foundation pit projects is continuously increased, the foundation pits are greatly improved in scale or depth, various geological types can be encountered in the excavation process of the foundation pits, for example, when the foundation pits are excavated on soft soil with high water content, a plurality of problems can be involved, the water content of the soil in the soil is high, the soil is soft, some engineering equipment can often fall into the soil in the construction process, and influence is brought to the construction of the projects. After the foundation pit is dug to a certain scale, the foundation pit needs to be supported, but because the water vein in the soil is broken, under the action of pressure difference, moisture in the soil can permeate into the foundation pit, and great potential safety hazard is brought to the foundation pit. At present, the main method for solving the water seepage of the foundation pit is to arrange a plurality of water seepage wells around the foundation pit, wherein water pumps are arranged in the water seepage wells, and the water pumps can pump away water in the water seepage wells, so that the water seepage in the foundation pit is reduced. However, the water pump is easily blocked and damaged by silt because the water seeped out of the soil into the weep well contains more silt.
Disclosure of Invention
Aiming at the defects in the prior art, the invention aims to provide a foundation pit dewatering device which has the advantage that the blockage of a water suction pump can be reduced as much as possible.
The above object of the present invention is achieved by the following technical solutions:
the utility model provides a foundation pit dewatering device, establish subaerial foundation pit including digging, dig around the foundation pit and be equipped with a plurality of infiltration wells, a plurality of infiltration wells encircle to be laid around the foundation pit, the infiltration well interpolation is equipped with the collector pipe, it has anomalous stone all to fill between the outer peripheral face of the shaft bottom of infiltration well and collector pipe and the inner peripheral surface of infiltration well, the bottom of collector pipe is taken and is established on the stone of infiltration well bottom, be provided with the filter screen in the collector pipe, the well head position department at infiltration well top is provided with the suction pump, the suction pipe of suction pump stretches into in the collector pipe, and the suction pipe is located the top of filter screen.
Through adopting above-mentioned technical scheme, in the water collecting pipe was entered into to moisture in the soil around the foundation ditch, the isolation layer that the test block formed simultaneously can have a primary filterable effect to the water that enters into in the water collecting pipe, and the filter screen can carry out secondary filter to water to reduce the influence of aquatic silt to the water pump as far as.
The present invention in a preferred example may be further configured to: the bottom rigid coupling of collector pipe has the baffle, a plurality of inlet opening has been seted up on the baffle, be provided with the breakwater directly over the baffle, the lower surface of breakwater pastes mutually and slides with the upper surface of baffle and is connected, a plurality of limbers have been seted up on the breakwater, a plurality of limbers correspond with a plurality of inlet opening, the upper surface rigid coupling of breakwater has a connecting rod of laying along collector pipe length direction, the top of connecting rod is provided with and is used for the rotatory driving motor of drive connecting rod, be provided with the installation pipe with collector pipe inner peripheral surface adaptation on the inner wall of collector pipe, annular mounting groove has been seted up to the internal diameter border of the upper surface of installation pipe, rigid coupling annular and the carriage with the mounting groove adaptation on the outer peripheral face of filter screen, the carriage slides and connects in the installation pipe, the rigid coupling has many tension springs between the lower surface of carriage and the lower wall of mounting groove, the filter screen is worn to the connecting rod, and set up to rotate between connecting rod and the filter screen and be connected.
Through adopting above-mentioned technical scheme, through the rotation of breakwater, the filter screen has an up-and-down motion's process after receiving the different impact force of rivers, can make like this to gather the silt that gets up at the filter screen lower surface and leave the filter screen, and then can make the live time of filter screen longer.
The present invention in a preferred example may be further configured to: the upper surface of collector pipe is seted up along collector pipe length direction lay and with the mounting hole of the inside intercommunication of collector pipe, set up to sliding between installation pipe and the collector pipe and be connected, and the rigid coupling has the installation pole with the mounting hole adaptation on the outer peripheral face of installation pipe, the installation pole slides and connects in the mounting hole, the upper surface rigid coupling of installation pole has a stay cord, the one end that the installation pole was kept away from to the stay cord stretches out from the top of mounting hole.
Through adopting above-mentioned technical scheme, realized installing the dismantlement between pipe and the collector pipe and be connected, make things convenient for the clearance of staff to the filter screen.
The present invention in a preferred example may be further configured to: the pipe is pressed to installation pole top in the mounting hole is provided with many, and many are pressed the pipe and are a straight line and slide and connect in the mounting hole, and the stay cord passes many and presses the pipe, and the fixed slot has been seted up at the mounting hole border of collector pipe upper surface, and fixed slot female connection has the briquetting.
Through adopting above-mentioned technical scheme, the cooperation of depression bar and briquetting can be fixed the installation pipe, avoids under the impact of water, and the installation pipe is unstable.
The present invention in a preferred example may be further configured to: seted up on the diapire of fixed slot and installed the groove additional, install inslot rigid coupling additional and have the couple, the one end rigid coupling that the installation pole was kept away from to the stay cord has the link, and the link is hung and is established on the couple, and the top of installing the pipe additional is seted up jaggedly, and the stay cord is located the breach.
Through adopting above-mentioned technical scheme, the stay cord is fixed in installing the inslot additional, avoids the stay cord to fall into to press the pipe as far as possible in.
The present invention in a preferred example may be further configured to: the one end rigid coupling that tension spring kept away from the mounting groove diapire has the connecting plate, rotates on the lateral wall that the connecting plate deviates from tension spring to be connected with the installation piece, has seted up a plurality of fixed orificess on the carriage lower surface, and a plurality of fixed orificess correspond with a plurality of installation pieces respectively, and a plurality of installation pieces are threaded connection in a plurality of fixed orificess respectively.
Through adopting above-mentioned technical scheme, realized being connected dismantled between filter screen and the installation pipe, made things convenient for the change of filter screen.
The present invention in a preferred example may be further configured to: a plurality of screwed holes have been seted up to the upper surface of carriage, and a plurality of screwed holes correspond with a plurality of fixed orificess respectively, and the screwed hole that corresponds each other communicates with the fixed orifices, sets up hexagonal atress groove on the terminal surface of installation piece orientation fixed orifices diapire.
By adopting the technical scheme, the mounting block can be conveniently screwed in the fixing hole by a worker when the filter screen is replaced.
The present invention in a preferred example may be further configured to: the top of collector pipe is provided with the lid, offers the first hole of stepping down that supplies the connecting rod to pass through on the lid to and the second hole of stepping down that supplies the drinking-water pipe to pass through.
Through adopting above-mentioned technical scheme, the apron can seal the opening of collector pipe, and outside debris and staff drop in the collector pipe simultaneously.
The present invention in a preferred example may be further configured to: the upper surface rigid coupling of collector pipe has many dead levers, a plurality of strengthening holes have been seted up between the upper surface of lid and the lower surface, a plurality of strengthening holes correspond with many dead levers respectively, many dead levers wear to establish respectively in a plurality of strengthening holes, set up the circular shape reinforcement groove of laying along dead lever length direction on the dead lever deviates from the terminal surface of collector pipe, a plurality of fixing bolt are worn to be equipped with by the upper surface of lid, a plurality of fixing bolt threaded connection respectively in a plurality of reinforcement grooves, the connecting rod includes first pole and second pole, first pole and breakwater rigid coupling, the output shaft rigid coupling of second pole and driving motor, the joint groove has been seted up on the terminal surface of first pole to first pole orientation, the rigid coupling joint pole on the terminal surface of second pole orientation first pole, the joint pole is worn to establish in the joint inslot.
Through adopting above-mentioned technical scheme, can fix the lid on the collector pipe for the lid is more stable.
In summary, the invention includes at least one of the following beneficial technical effects:
1. the seepage well is arranged around the foundation pit, the water collecting pipe is arranged in the seepage well, the filter screen is arranged in the water collecting pipe, the water suction pump is arranged at the top of the water collecting well, the water suction pipe of the water suction pump is arranged in the water collecting pipe in a penetrating manner, moisture in soil around the foundation pit can enter the water collecting pipe from the bottom end of the water collecting pipe, meanwhile, an isolation layer formed by the test block can have a primary filtering effect on water entering the water collecting pipe, and the filter screen can carry out secondary filtering on the water, so that the influence of silt in the water on the water pump is reduced as much as possible;
2. set up baffle and the breakwater that can rotate through the bottom at the collector pipe to with the filter screen setting in the installation pipe, set up tension spring between filter screen and the installation pipe, when the breakwater is in the rotation, the filter screen has an up-and-down motion's process after receiving the impact force that rivers are different, can make like this to gather the silt of filter screen lower surface and leave the filter screen, and then can make the live time of filter screen longer.
Drawings
FIG. 1 is a schematic view of the precipitation apparatus disposed around the foundation pit in this embodiment;
FIG. 2 is a side sectional view of the embodiment showing the location of the stone block around the header;
FIG. 3 is a schematic view showing the inner structure of the water collecting pipe in the present embodiment;
fig. 4 is a partially enlarged view of a portion a of fig. 3;
FIG. 5 is a schematic view showing a connection structure between the water collecting pipe and the cover body in the present embodiment;
FIG. 6 is a schematic view showing the outer configuration of the installation tube in the present embodiment;
FIG. 7 is a schematic view showing the connection relationship between the convex supporting frame and the tension spring in the present embodiment;
fig. 8 is a partially enlarged view of a portion B in fig. 7.
In the figure, 1, a foundation pit; 2. a water seepage well; 21. a stone block; 3. a water collection pipe; 31. a baffle plate; 311. a water inlet hole; 32. connecting grooves; 321. a water baffle; 3211. a water through hole; 33. mounting holes; 331. pressing a pipe; 34. fixing grooves; 341. briquetting; 3411. a stress groove; 342. adding a groove; 3421. hooking; 35. fixing the rod; 351. a reinforcing groove; 4. a water pump; 41. a water pumping pipe; 5. a drive motor; 51. a connecting rod; 511. a first lever; 5111. a clamping groove; 512. a second lever; 5121. a clamping and connecting rod; 6. installing a pipe; 61. mounting grooves; 62. a support frame; 621. filtering with a screen; 622. a fixing hole; 623. screwing the hole; 63. mounting a rod; 631. pulling a rope; 6311. hanging a ring; 7. a tension spring; 71. a connecting plate; 711. adding a rod; 7111. adding a plate; 72. mounting blocks; 721. a rotation chamber; 722. rotating the hole; 723. rotating the groove; 8. a cover body; 81. reinforcing holes; 811. and (5) fixing the bolt.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
Referring to fig. 1 and 2, the foundation pit dewatering device disclosed by the invention comprises a foundation pit 1 dug on the ground, a plurality of water seepage wells 2 are dug around the foundation pit 1, and the plurality of water seepage wells 2 are arranged around the foundation pit 1. The water seepage well 2 is internally inserted with a water collecting pipe 3, irregular stones 21 are filled at the bottom of the water seepage well 2 and between the outer peripheral surface of the water collecting pipe 3 and the inner peripheral surface of the water seepage well 2, and the bottom end of the water collecting pipe 3 is erected on the stones 21 at the bottom of the water seepage well 2. A filter screen 621 is arranged in the water collecting pipe 3, a water suction pump 4 is arranged at the position of a wellhead at the top of the water seepage well 2, a water suction pipe 41 of the water suction pump 4 extends into the water collecting pipe 3, and the water suction pipe 41 is positioned above the filter screen 621.
When the water seepage well 2 is arranged, firstly, the water seepage well 2 is arranged on the ground, then the bottom of the water seepage well 2 is filled with the stone blocks 21, then the water collecting pipe 3 is erected on the stone blocks 21 at the bottom of the water seepage well 2, then the stone blocks 21 are filled between the inner circumferential surface of the water seepage well 2 and the outer circumferential surface of the water collecting pipe 3, the stone blocks 21 can support the water seepage well 2, meanwhile, an isolation layer formed by the stone blocks 21 also has a primary filtering effect, and water in the isolation layer can upwards enter the water collecting pipe 3 from the bottom end of the water collecting pipe 3 and then is pumped away by the water pump 4.
Referring to fig. 2 and 3, since water in the water collecting pipe 3 always flows upward from the bottom end of the water collecting pipe 3, after the filter screen 621 is used for a long time, a large amount of silt and impurities are accumulated on the lower surface of the filter screen 621, and thus the number of times of replacing the filter screen 621 is increased when the filter screen 621 is affected. Therefore, the bottom of the water collecting pipe 3 is fixedly connected with a baffle 31 used for sealing the water collecting pipe 3, the baffle 31 is provided with a plurality of water inlet holes 311, the inner wall of the water collecting pipe 3 above the water inlet holes 311 is provided with an annular connecting groove 32, a water baffle 321 is arranged in the connecting groove 32, the lower surface of the water baffle 321 is attached to the upper surface of the baffle 31 and connected in a sliding manner, the water baffle 321 is also connected with the connecting groove 32 in a sliding manner, a plurality of water through holes 3211 are formed in the water baffle 321, and the plurality of water through holes 3211 correspond to the plurality of water inlet holes 311. The upper surface rigid coupling of breakwater 321 has a connecting rod 51 of laying along 3 length direction of collector pipe, the top of connecting rod 51 is provided with and is used for driving the rotatory driving motor 5 of connecting rod 51, be provided with on the inner wall of collector pipe 3 with the installation pipe 6 of 3 inner peripheral surface adaptations of collector pipe, installation pipe 6 is laid with the collector pipe 3 is coaxial, annular mounting groove 61 has been seted up at the internal diameter border of the upper surface of installation pipe 6, the annular and with the carriage 62 of mounting groove 61 adaptations of rigid coupling on the outer peripheral surface of filter screen 621, carriage 62 slides and connects in installation pipe 6. A plurality of tension springs 7 are fixedly connected between the lower surface of the supporting frame 62 and the lower wall of the mounting groove 61, the connecting rod 51 penetrates through the filter screen 621, and the connecting rod 51 and the filter screen 621 are connected in a sliding manner. When the precipitation device is in a working state, water in the soil can continuously enter the water collecting pipe 3 from the water inlet holes 311 and the water through holes 3211 and impact the filter screen 621, if the water speed is kept stable, the impact force of the water on the filter screen 621, which penetrates into the water collecting pipe 3, on the filter screen 621 is balanced with the tension of the tension spring 7, the filter screen 621 is kept still, when the driving motor 5 is started, the driving motor 5 drives the water baffle 321 to rotate, at this time, the water inlet 311 and the water through hole 3211 are in a closed or communicated state of cyclic alternation, the balance formed by the impact force of the water permeating into the water collecting pipe 3 on the filter screen 621 and the tension of the tension spring 7 is broken, the filter screen 621 has a state of moving up and down, this allows silt that accumulates on the lower surface of the screen 621 to leave the screen 621, which in turn allows the screen 621 to last longer.
Referring to fig. 3 and 4, filter screen 621 still needs to be changed after long-time use, in order to facilitate the change of filter screen 621, mounting hole 33 laid along collector pipe 3 length direction is seted up to the upper surface of collector pipe 3, mounting hole 33 and the inside intercommunication of collector pipe 3, set up to slide between the outer peripheral face of installation pipe 6 and the inner wall of collector pipe 3 and be connected, and the rigid coupling has the installation pole 63 with mounting hole 33 adaptation on the outer peripheral face of installation pipe 6, installation pole 63 slides and connects in mounting hole 33, the upper surface rigid coupling of installation pole 63 has a stay cord 631, the one end that installation pole 63 was kept away from to stay cord 631 stretches out from the top of mounting hole 33. Thus, when the filter screen 621 needs to be replaced, the worker can pull the installation pipe 6 out of the water collection pipe 3 through the pull rope 631 and then replace the filter screen 621.
In order to make the pipe installed in the water collecting pipe 3 more stable, a plurality of pressure pipes 331 are arranged above the installation rod 63 in the installation hole 33, the pressure pipes 331 are connected in the installation hole 33 in a linear sliding manner, and the pull rope 631 penetrates through the pressure pipes 331. Annular fixed slot 34 has been seted up along the mounting hole 33 of collector pipe 3 upper surface, install groove 342 additional on the diapire of fixed slot 34, the rigid coupling has couple 3421 in installing groove 342 additional, the one end rigid coupling that installation pole 63 was kept away from to stay cord 631 has link 6311, link 6311 hangs and establishes on couple 3421, the top of pressing pipe 331 is seted up jaggedly, stay cord 631 is located the breach, and fixed slot 34 threaded connection has briquetting 341, hexagonal atress groove 3411 has been seted up to the upper surface of briquetting 341, the cooperation of pressing pipe 331 and briquetting 341 like this can be fixed with installation pipe 6.
Referring to fig. 7 and 8, if the installation pipe 6 and the filter screen 621 need to be replaced together each time the filter screen 621 is replaced, a large waste of resources is caused. For this reason, the one end rigid coupling that tension spring 7 kept away from the mounting groove 61 diapire has the connecting plate 71 perpendicular with tension spring 7, rigid coupling on the lateral wall that connecting plate 71 deviates from tension spring 7 with connecting plate 71 vertically install the pole 711 additional, install the cross section of pole 711 set up to circular additional, install the pole 711 keep away from on the terminal surface of connecting plate 71 rigid coupling have one with install the pole 711 vertically install the board 7111 additional. One side that the connecting plate 71 deviates from tension spring 7 is provided with installation piece 72, offers in the installation piece 72 and installs the rotation chamber 721 of plate 7111 adaptation additional, and installation piece 72 offers on the lateral wall of connecting plate 71 with the rotation hole 722 that rotates the chamber 721 intercommunication additional, installs the pole 711 additional and rotates to be connected in rotating the hole 722, installs plate 7111 additional and rotates to be connected in rotating chamber 721. A plurality of fixing holes 622 are formed in the lower surface of the support frame 62, the fixing holes 622 correspond to the mounting blocks 72, and the mounting blocks 72 are screwed in the fixing holes 622. The upper surface of the supporting frame 62 is provided with a plurality of screwing holes 623, the plurality of screwing holes 623 correspond to the plurality of fixing holes 622 respectively, the screwing holes 623 and the fixing holes 622 which correspond to each other are communicated, the end face, facing the bottom wall of the fixing holes 622, of the mounting block 72 is provided with a hexagonal rotating groove 723, when the mounting block 72 is mounted in the fixing holes 622, the mounting block 72 can penetrate through the screwing holes 623 and then is arranged in the stress groove 723, then the mounting block 72 is pressed by a hand, and then the hexagon socket wrench is screwed.
Referring to fig. 5, a circular cover 8 for sealing the top of the water collecting pipe 3 is disposed at the top of the water collecting pipe 3, and a first yielding hole for the connection rod 51 to pass through and a second yielding hole for the water pumping pipe 41 to pass through are formed in the cover 8. The upper surface of the water collecting pipe 3 is fixedly connected with a plurality of fixing rods 35, and the fixing rods 35 are arranged along the length direction of the water collecting pipe 3. A plurality of fixing bars 35 are arranged around the upper surface of the sump 3. A plurality of reinforcement holes 81 have been seted up between the upper surface of lid 8 and the lower surface, a plurality of reinforcement holes 81 correspond with many dead levers 35 respectively, many dead levers 35 wear to establish respectively in a plurality of reinforcement holes 81, set up the circular shape reinforcing groove 351 that lays along dead lever 35 length direction on the dead lever 35 deviates from the terminal surface of collector pipe 3, a plurality of fixing bolt 811 are worn to be equipped with by the upper surface of lid 8, a plurality of fixing bolt 811 wear to establish respectively in a plurality of reinforcing groove 351. The cover 8 can be fixed on the water collecting pipe 3 by the cooperation of the fixing bolt 811 and the fixing rod 35, so that the water collecting pipe 3 is safer. Meanwhile, the connecting rod 51 comprises a first rod 511 and a second rod 512, the first rod 511 is fixedly connected with the water baffle 321, the second rod 512 is fixedly connected with an output shaft of the driving motor 5, a clamping groove 5111 with a rectangular cross section is formed in the end face, facing the second rod 512, of the first rod 511, a clamping rod 5121 matched with the connecting groove 32 is fixedly connected to the end face, facing the first rod 511, of the second rod 512, and the clamping rod 5121 penetrates through the clamping groove 5111.
The implementation principle of the embodiment is as follows: when arranging the water seepage well 2, firstly, the water seepage well 2 is arranged on the ground, then the bottom of the water seepage well 2 is filled with the stone block 21, then the water collecting pipe 3 is erected on the stone block 21 at the bottom of the water seepage well 2, then the stone block 21 is filled between the inner circumferential surface of the water seepage well 2 and the outer circumferential surface of the water collecting pipe 3, then the mounting rod 63 on the mounting pipe 6 is aligned with the mounting hole 33 on the water collecting pipe 3, the mounting pipe 6 is slid into the water collecting pipe 3, then the pull rope 631 passes through the connecting holes on the plurality of pressing pipes 331, then the plurality of pressing pipes 331 are slid into the mounting hole 33, then the hanging ring 6311 is hung on the hanging hook 3421 in the installing groove 342, the pressing block 341 is connected in the fixing groove 34 in a threaded manner, then the cover plate is covered on the water collecting pipe 3, the plurality of fixing rods 35 on the water collecting pipe 3 respectively pass through the reinforcing holes 81 on the cover body 8, and the clamping rod 5121 on the second rod 512 is inserted in the connecting groove 32 on the first rod 511, then, a fixing bolt 811 is inserted into the fixing rod 35, and then the suction pipe 41 of the suction pump 4 is inserted into the water collecting pipe 3.
The embodiments of the present invention are preferred embodiments of the present invention, and the scope of the present invention is not limited by these embodiments, so: all equivalent changes made according to the structure, shape and principle of the invention are covered by the protection scope of the invention.
Claims (8)
1. The utility model provides a foundation ditch precipitation device, establishes foundation ditch (1) on the ground including digging, its characterized in that: a plurality of water seepage wells (2) are dug around the foundation pit (1), the water seepage wells (2) are arranged around the foundation pit (1), water collecting pipes (3) are inserted into the water seepage wells (2), irregular stones (21) are filled between the bottom of each water seepage well (2) and the outer peripheral surface of each water collecting pipe (3) and the inner peripheral surface of each water seepage well (2), the bottom ends of the water collecting pipes (3) are lapped on the stones (21) at the bottom of each water seepage well (2), a filter screen (621) is arranged in each water collecting pipe (3), a water suction pump (4) is arranged at the position of a well mouth at the top of each water seepage well (2), a water suction pipe (41) of each water suction pump (4) extends into each water collecting pipe (3), and each water suction pipe (41) is located above the filter screen (621); the bottom of the water collecting pipe (3) is fixedly connected with a baffle (31), a plurality of water inlet holes (311) are formed in the baffle (31), a water baffle (321) is arranged right above the baffle (31), the lower surface of the water baffle (321) is attached to and connected with the upper surface of the baffle (31) in a sliding manner, a plurality of water through holes (3211) are formed in the water baffle (321), the plurality of water through holes (3211) correspond to the plurality of water inlet holes (311), the upper surface of the water baffle (321) is fixedly connected with a connecting rod (51) which is arranged along the length direction of the water collecting pipe (3), a driving motor (5) for driving the connecting rod (51) to rotate is arranged at the top end of the connecting rod (51), an installation pipe (6) which is matched with the inner circumferential surface of the water collecting pipe (3) is arranged on the inner wall of the water collecting pipe (3), an annular installation groove (61) is formed in the inner diameter edge of the upper surface of the installation pipe (6), an annular supporting frame (62) which is fixedly connected with the outer circumferential surface of the filter screen (621) and matched with the installation groove (61), the support frame (62) is connected in installation pipe (6) that slides, and the rigid coupling has many tension spring (7) between the lower surface of support frame (62) and the lower wall of mounting groove (61), and filter screen (621) are worn in connecting rod (51), and set up to sliding between connecting rod (51) and filter screen (621) and be connected.
2. A foundation pit dewatering apparatus as claimed in claim 1, wherein: the upper surface of collector pipe (3) is seted up and is laid and with mounting hole (33) of the inside intercommunication of collector pipe (3) along collector pipe (3) length direction, set up to sliding between installation pipe (6) and collector pipe (3) and be connected, and the rigid coupling has installation pole (63) with mounting hole (33) adaptation on the outer peripheral face of installation pipe (6), installation pole (63) slide and connect in mounting hole (33), the upper surface rigid coupling of installation pole (63) has a stay cord (631), stay cord (631) are kept away from the one end of installation pole (63) and are stretched out from the top of mounting hole (33).
3. A foundation pit dewatering apparatus as claimed in claim 2, wherein: the pipe (331) are pressed to installation pole (63) top in mounting hole (33) is provided with many, and many press pipe (331) to be a straight line and slide and connect in mounting hole (33), and stay cord (631) pass many and press pipe (331), and fixed slot (34) have been seted up at mounting hole (33) border of collector pipe (3) upper surface, and fixed slot (34) female connection has briquetting (341).
4. A foundation pit dewatering apparatus as claimed in claim 3, wherein: seted up on the diapire of fixed slot (34) and installed groove (342) additional, the rigid coupling has couple (3421) in installing groove (342), and the one end rigid coupling that installation pole (63) were kept away from in stay cord (631) has link (6311), and link (6311) are hung and are established on couple (3421), and the top of pressing pipe (331) is seted up jaggedly, and stay cord (631) are located the breach.
5. A foundation pit dewatering apparatus as claimed in claim 4, wherein: one end rigid coupling that mounting groove (61) diapire was kept away from in tension spring (7) has connecting plate (71), and rotation is connected with installation piece (72) on the lateral wall that connecting plate (71) deviates from tension spring (7), has seted up a plurality of fixed orificess (622) on carriage (62) lower surface, and a plurality of fixed orificess (622) correspond with a plurality of installation pieces (72) respectively, and a plurality of installation pieces (72) are threaded connection respectively in a plurality of fixed orificess (622).
6. A foundation pit dewatering apparatus as claimed in claim 5, wherein: the upper surface of the supporting frame (62) is provided with a plurality of screwing holes (623), the screwing holes (623) correspond to the fixing holes (622) respectively, the screwing holes (623) corresponding to each other are communicated with the fixing holes (622), and the end face, facing the bottom wall of the fixing holes (622), of the mounting block (72) is provided with a hexagonal stress groove (723).
7. A foundation pit dewatering apparatus as claimed in claim 1, wherein: the top of collector pipe (3) is provided with lid (8), offers the first hole of stepping down that supplies connecting rod (51) to pass through on lid (8) to and the second hole of stepping down that supplies drinking-water pipe (41) to pass through.
8. A foundation pit dewatering apparatus as claimed in claim 7, wherein: the upper surface of the water collecting pipe (3) is fixedly connected with a plurality of fixing rods (35), a plurality of reinforcing holes (81) are formed between the upper surface and the lower surface of the cover body (8), the plurality of reinforcing holes (81) respectively correspond to the plurality of fixing rods (35), the plurality of fixing rods (35) respectively penetrate through the plurality of reinforcing holes (81), a circular reinforcing groove (351) which is distributed along the length direction of the fixing rods (35) is formed in the end surface of each fixing rod (35) far away from the water collecting pipe (3), a plurality of fixing bolts (811) are arranged on the upper surface of the cover body (8) in a penetrating mode, the plurality of fixing bolts (811) are respectively in threaded connection with the plurality of reinforcing grooves (351), the connecting rod (51) comprises a first rod (511) and a second rod (512), the first rod (511) is fixedly connected with a water baffle (321), the second rod (512) is fixedly connected with an output shaft of the driving motor (5), and a clamping groove (5111) is formed in the end surface, facing the first rod (511), the end face of the second rod (512) facing the first rod (511) is fixedly connected with a clamping rod (5121), and the clamping rod (5121) is arranged in the clamping groove (5111) in a penetrating way.
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010713836.1A CN111794257B (en) | 2020-07-23 | 2020-07-23 | Foundation pit dewatering device |
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| Application Number | Priority Date | Filing Date | Title |
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| CN202010713836.1A CN111794257B (en) | 2020-07-23 | 2020-07-23 | Foundation pit dewatering device |
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| CN112813999B (en) * | 2021-01-07 | 2022-06-10 | 北京宏创天业建设工程有限公司 | Foundation pit dewatering device and construction method thereof |
| CN112900461B (en) * | 2021-01-19 | 2021-11-19 | 广州峻岭建设有限公司 | Drainage system for building construction site and use method |
| CN113982008B (en) * | 2021-10-11 | 2023-06-13 | 中煤建工基础工程有限公司 | Foundation pit excavation dewatering device |
| CN116988499B (en) * | 2023-09-26 | 2023-11-28 | 中铁城建集团第一工程有限公司 | Site foundation pit drainage device and construction method thereof |
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| CN101768976B (en) * | 2009-12-29 | 2011-04-06 | 中建城市建设发展有限公司 | Base pit dewatering and water saving device and construction method thereof |
| CN102877420A (en) * | 2012-11-06 | 2013-01-16 | 中铁二十二局哈尔滨铁路建设集团有限责任公司 | Construction method of large tube well fixed point precipitation, sealing bottom free concrete and steel sheet pile cofferdam deepwater bearing platform |
| CN106939610A (en) * | 2017-05-09 | 2017-07-11 | 青岛东捷建设工程有限公司 | A kind of integrated precipitation pumping system |
| CN209179037U (en) * | 2018-11-26 | 2019-07-30 | 中铁二十局集团市政工程有限公司 | Red Sandstone compound stratum base pit dewatering constructing structure under upper cobble |
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