CN211312569U - Foundation pit dewatering device - Google Patents
Foundation pit dewatering device Download PDFInfo
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- CN211312569U CN211312569U CN201921488871.7U CN201921488871U CN211312569U CN 211312569 U CN211312569 U CN 211312569U CN 201921488871 U CN201921488871 U CN 201921488871U CN 211312569 U CN211312569 U CN 211312569U
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- fixedly connected
- pump
- filter screen
- water
- foundation pit
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Abstract
The utility model relates to a foundation ditch precipitation technical field just discloses a foundation ditch precipitation device, the sump pit is located the inside of foundation ditch, the inside of foundation ditch is provided with the open drain of draining, the right side survey of foundation ditch is provided with centrifugal pump, centrifugal pump's input fixedly connected with water pipe, centrifugal pump's output fixedly connected with drain pipe, the inside of sump pit is provided with the immersible pump. This foundation ditch precipitation device, through setting up the immersible pump, at the immersible pump during operation, can inhale the silt of aquatic, play the effect of filtering the separation through setting up the filter screen, through setting up submersible motor, submersible motor drives pivot and right angle axle rotation, the right angle axle is drawn down connecting plate reciprocating motion through sleeve and articulated connection, the connecting plate drives the silt brush that depends on with the filter screen through the telescopic link and falls, when having solved long time usage, silt blocks up the filter screen and causes the phenomenon that the speed of absorbing water is slow or even can't absorb water to appear, thereby reach the purpose of preventing blockking up.
Description
Technical Field
The utility model relates to a foundation ditch dewatering technical field specifically is a foundation ditch dewatering device.
Background
The foundation pit dewatering refers to dewatering work performed for ensuring that the foundation pit can be constructed under a dry condition and preventing slope instability, foundation quicksand, pit bottom uplift, pit bottom piping and foundation bearing capacity reduction when the underground water level is higher than the excavation bottom surface when the foundation pit is excavated.
The foundation pit dewatering method mainly comprises the following steps: open ditch water collecting well precipitation, light well point precipitation, jet well point precipitation, electroosmosis well point precipitation, deep well point precipitation and the like.
In the method for adding the water collecting well to the open trench for precipitation, a submersible pump needs to be placed in the water collecting pit for water absorption, when the submersible pump works underwater, silt can be sucked along with water, in the conventional device, a filter screen is usually arranged at an absorption port, so that the effect of blocking the silt is achieved, but after the device is used for a long time, the phenomenon that the filter screen is blocked by the silt, so that the water absorption speed is slow or even the water cannot be absorbed is caused.
SUMMERY OF THE UTILITY MODEL
Technical problem to be solved
The utility model provides a not enough to prior art, the utility model provides a foundation ditch precipitation device possesses advantages such as preventing blockking up, has solved long-time use back, and silt blocks up the filter screen and causes the problem that the phenomenon that absorbs water slowly or even can't absorb water appears.
(II) technical scheme
After using for a long time for realizing the aforesaid, silt blocks up the filter screen and causes the slow purpose that can't absorb water phenomenon appear even of the speed of absorbing water, the utility model provides a following technical scheme: a foundation pit dewatering device comprises a foundation pit and a water collecting pit, wherein the water collecting pit is positioned inside the foundation pit, a drainage open ditch is arranged inside the foundation pit, a centrifugal water pump is arranged on the right side of the foundation pit, the input end of the centrifugal water pump is fixedly connected with a water pipe, the output end of the centrifugal water pump is fixedly connected with a drain pipe, a submersible pump is arranged inside the water collecting pit, the output end of the submersible pump is fixedly connected with the water pipe, the back surface of the submersible pump is fixedly connected with a submersible motor, the output end of the submersible motor is fixedly connected with a rotating shaft, one end of the rotating shaft, far away from the submersible motor, is fixedly connected with a right-angle shaft, the outer surface of the right-angle shaft is sleeved with a sleeve, the outer surface of the sleeve is fixedly connected with a connecting rod, the input, the utility model discloses a filter screen, including the filter screen, the outer surface of pipe absorbs water alternates and is provided with the connecting plate, absorb water the pipe with the junction of connecting plate is provided with sealed the pad, the connecting plate is close to one side fixedly connected with telescopic link of filter screen, the surface cover of telescopic link is equipped with the spring, the telescopic link is close to the one end fixedly connected with brush of filter screen, the one end of connecting plate with the connecting rod is articulated.
Preferably, centrifugal pump keeps away from one side of foundation ditch is provided with the escape canal, the drain pipe is kept away from centrifugal pump's one end with the escape canal links to each other.
Preferably, the open drainage ditches are arranged on the surface of the substrate and are arranged in regions along with the regional excavation of the foundation pit, and the open drainage ditches are arranged in a criss-cross staggered manner.
Preferably, a pebble layer is paved on the inner bottom wall of the water collecting pit, and the thickness of the pebble layer is twenty centimeters.
Preferably, the outer surface of the submersible motor is sleeved with a protective shell.
Preferably, the width of the right-angle shaft is equal to the radius of the suction pipe.
Preferably, one end of the spring is fixedly connected with the connecting plate, the other end of the spring is connected with the brush, and the limiting bristles of the brush extend to the outer side of the filter screen through the filter holes of the filter screen.
(III) advantageous effects
Compared with the prior art, the utility model provides a foundation ditch precipitation device possesses following beneficial effect:
(1) this foundation ditch precipitation device through setting up the open drain, and sump pit, water can collect in the sump pit, through setting up the immersible pump, when using, takes water out through the immersible pump, discharges water through centrifugal pump to reach the effect of precipitation.
(2) This foundation ditch precipitation device, through setting up the immersible pump, at the immersible pump during operation, can inhale the silt of aquatic, play the effect of filtering the separation through setting up the filter screen, through setting up submersible motor, submersible motor drives pivot and right angle axle rotation, the right angle axle is drawn down connecting plate reciprocating motion through sleeve and articulated connection, the connecting plate drives the silt brush that depends on with the filter screen through the telescopic link and falls, when having solved long time usage, silt blocks up the filter screen and causes the phenomenon that the speed of absorbing water is slow or even can't absorb water to appear, thereby reach the purpose of preventing blockking up.
Drawings
Fig. 1 is a schematic structural view of the present invention;
FIG. 2 is a schematic top view of the centrifugal water pump of the present invention;
fig. 3 is an enlarged view of a structure in fig. 2 according to the present invention.
In the figure: 1 foundation ditch, 2 sump pits, 3 drainage open ditches, 4 centrifugal water pumps, 5 water pipes, 6 drain pipes, 7 immersible pumps, 8 submersible motors, 9 rotating shafts, 10 right-angle shafts, 11 sleeves, 12 connecting rods, 13 water suction pipes, 14 filter screens, 15 connecting plates, 16 telescopic rods, 17 springs and 18 hairbrushes.
Detailed Description
The technical solutions in the embodiments of the present invention will be described clearly and completely with reference to the accompanying drawings in the embodiments of the present invention, and it is obvious that the described embodiments are only some embodiments of the present invention, not all embodiments. Based on the embodiments in the present invention, all other embodiments obtained by a person skilled in the art without creative work belong to the protection scope of the present invention.
Referring to fig. 1-3, a foundation pit dewatering device comprises a foundation pit 1 and a water collection pit 2, wherein the water collection pit 2 is positioned inside the foundation pit 1, a drainage open channel 3 is arranged inside the foundation pit 1, the depth of the drainage open channel is determined according to working requirements and soil conditions, a centrifugal water pump 4 is arranged on the right side of the foundation pit 1, a water pipe 5 is fixedly connected to the input end of the centrifugal water pump 4, a drain pipe 6 is fixedly connected to the output end of the centrifugal water pump 4, a submersible pump 7 is arranged inside the water collection pit 2, the model of the submersible pump is DC40H-24V, the output end of the submersible pump 7 is fixedly connected with the water pipe 5, a submersible motor 8 is fixedly connected to the back side of the submersible pump 7, a rotating shaft 9 is fixedly connected to the output end of the submersible motor 8, a shaft 10 is fixedly connected to one end of the rotating shaft 9 far away from, immersible pump 7's input fixedly connected with absorbs water pipe 13, the one end that immersible pump 7 was kept away from to absorb water pipe 13 highly is connected with filter screen 14, the surface that absorbs water pipe 13 alternates and is provided with connecting plate 15, it is sealed that the junction of pipe 13 and connecting plate 15 that absorbs water is provided with to seal up, one side fixedly connected with telescopic link 16 that connecting plate 15 is close to filter screen 14, the surface cover of telescopic link 16 is equipped with spring 17, telescopic link 16 is close to filter screen 14's one end fixedly connected with brush 18, connecting plate 15's one end.
Furthermore, one side of the centrifugal water pump 4, which is far away from the foundation pit 1, is provided with a drainage ditch, the model of the centrifugal water pump 4 is a SOW double suction pump, and one end of the drainage pipe 6, which is far away from the centrifugal water pump 4, is connected with the drainage ditch.
Furthermore, the open drainage ditches 3 are arranged on the surface of the substrate and are arranged in regions along with the regional excavation of the foundation pit 1, and the open drainage ditches 3 are arranged in a criss-cross mode.
Furthermore, a pebble layer is laid on the bottom wall of the interior of the water collecting pit 2, and the thickness of the pebble layer is twenty centimeters and is used for filtering sediment.
Furthermore, the outer surface cover of dive motor 8 is equipped with the protective housing for protect dive motor 8, and the cable conductor of dive motor 8 and immersible pump 7 can set up in the plastic tube, plays the effect of mode protection, and the model of dive motor 8 is SW-100L 1-4.
Further, the width of the right-angle shaft 10 is equal to the radius of the suction pipe 13, so that the stroke of the connecting plate 15 is equal to the diameter of the suction pipe 13.
Furthermore, one end of the spring 17 is fixedly connected with the connecting plate 15, the other end of the spring is connected with the brush 18, and the limiting bristles of the brush 18 extend to the outer side of the filter screen 14 through the filter holes of the filter screen 14.
The construction method comprises the following steps: the foundation pit dewatering device comprises the following steps during construction:
s1, determining the depth and position of the foundation pit and the catchment pit according to construction requirements and geological information;
s2, in the process of excavating the foundation pit 1, reserving a construction working surface and performing wall protection treatment on the side slope of the foundation pit 1. Digging a water open trench 3 along the bottom root of the side slope of the foundation pit 1;
s3, the bottom of the sump 2 is a self-drainage open trench bottom of 4-0.8m, so that the submersible pump 7 can be completely submerged in water, the excavation position of the sump 2 is deviated to a side slope, and the later construction foundation is not affected. The water collecting pit below the foundation soil level is in a chamfered table type, the inner diameter of an upper opening is 2500cm in width, the inner diameter of a lower opening is 1500cm in width, sand bags are adopted for paving, water seeps into the pit through the drainage open ditches 3 and the holes of the peripheral soil layers, and the side wall tops of the drainage open ditches 3 are leveled by the water collecting pit 2.
To sum up, this foundation ditch precipitation device through setting up the open drain 3, and sump pit 2, water can collect in sump pit 2, through setting up immersible pump 7, when using, takes water out through immersible pump 7, discharges water through centrifugal pump 4 to reach the effect of precipitation.
This foundation ditch precipitation device, through setting up immersible pump 7, at immersible pump 7 during operation, can inhale the silt of aquatic, play the effect of filtering the separation through setting up filter screen 14, through setting up submersible motor 8, submersible motor 8 drives pivot 9 and right angle axle 10 rotation, right angle axle 10 draws down connecting plate 15 reciprocating motion through sleeve 11 and articulated connection 12, connecting plate 15 drives the silt brush that brush 18 depended on with filter screen 14 through telescopic link 16 and falls, when having solved the long time use, silt blocks up filter screen 14 and causes the phenomenon that the speed of absorbing water is slow or even can't absorb water to appear, thereby reach the purpose of preventing blockking up.
It is to be noted that the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus. Without further limitation, an element defined by the phrase "comprising an … …" does not exclude the presence of other identical elements in a process, method, article, or apparatus that comprises the element.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a foundation ditch precipitation device, includes foundation ditch (1) and sump pit (2), sump pit (2) are located the inside of foundation ditch (1), its characterized in that: the underground water-saving pit is characterized in that a drainage open ditch (3) is arranged in the foundation pit (1), a centrifugal water pump (4) is arranged on the right side of the foundation pit (1), an input end of the centrifugal water pump (4) is fixedly connected with a water pipe (5), an output end of the centrifugal water pump (4) is fixedly connected with a drain pipe (6), a submersible pump (7) is arranged in the water collecting pit (2), an output end of the submersible pump (7) is fixedly connected with the water pipe (5), a submersible motor (8) is fixedly connected to the back surface of the submersible pump (7), a rotating shaft (9) is fixedly connected to the output end of the submersible motor (8), a right-angle shaft (10) is fixedly connected to one end of the submersible motor (8) far away from the rotating shaft (9), a sleeve (11) is sleeved on the outer surface of the right-angle shaft (10), and, the input fixedly connected with of immersible pump (7) absorbs water pipe (13), it keeps away from to absorb water pipe (13) the one end of immersible pump (7) highly is connected with filter screen (14), the surface that absorbs water pipe (13) alternates and is provided with connecting plate (15), absorb water pipe (13) with the junction of connecting plate (15) is provided with sealed the pad, connecting plate (15) are close to one side fixedly connected with telescopic link (16) of filter screen (14), the surface cover of telescopic link (16) is equipped with spring (17), telescopic link (16) are close to the one end fixedly connected with brush (18) of filter screen (14), the one end of connecting plate (15) with connecting rod (12) are articulated.
2. A foundation pit dewatering apparatus as claimed in claim 1, wherein: centrifugal pump (4) are kept away from one side of foundation ditch (1) is provided with the escape canal, drain pipe (6) are kept away from the one end of centrifugal pump (4) with the escape canal links to each other.
3. A foundation pit dewatering apparatus as claimed in claim 1, wherein: the drainage open ditches (3) are arranged on the surface of the substrate and are arranged in different areas along with the excavation of the foundation pit (1) in different areas, and the drainage open ditches (3) are arranged in a criss-cross mode.
4. A foundation pit dewatering apparatus as claimed in claim 1, wherein: a pebble layer is paved on the bottom wall of the inner part of the water collecting pit (2), and the thickness of the pebble layer is twenty centimeters.
5. A foundation pit dewatering apparatus as claimed in claim 1, wherein: the outer surface cover of dive motor (8) is equipped with the protective housing.
6. A foundation pit dewatering apparatus as claimed in claim 1, wherein: the width of the right-angle shaft (10) is equal to the radius of the suction pipe (13).
7. A foundation pit dewatering apparatus as claimed in claim 1, wherein: one end of the spring (17) is fixedly connected with the connecting plate (15), the other end of the spring is connected with the hairbrush (18), and limiting bristles of the hairbrush (18) extend to the outer side of the filter screen (14) through filter holes of the filter screen (14).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921488871.7U CN211312569U (en) | 2019-09-02 | 2019-09-02 | Foundation pit dewatering device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201921488871.7U CN211312569U (en) | 2019-09-02 | 2019-09-02 | Foundation pit dewatering device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN211312569U true CN211312569U (en) | 2020-08-21 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201921488871.7U Expired - Fee Related CN211312569U (en) | 2019-09-02 | 2019-09-02 | Foundation pit dewatering device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN211312569U (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112227392A (en) * | 2020-09-16 | 2021-01-15 | 上海泓建建筑工程有限公司 | Device for reducing underground water level |
| CN113481967A (en) * | 2021-07-17 | 2021-10-08 | 江苏溧阳建设集团有限公司 | Be applied to reinforced (rfd) drainage device that catchments of soft soil foundation |
| CN114016529A (en) * | 2021-11-25 | 2022-02-08 | 中铁十四局集团大盾构工程有限公司 | Precipitation drainage device for tunnel foundation pit |
-
2019
- 2019-09-02 CN CN201921488871.7U patent/CN211312569U/en not_active Expired - Fee Related
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112227392A (en) * | 2020-09-16 | 2021-01-15 | 上海泓建建筑工程有限公司 | Device for reducing underground water level |
| CN113481967A (en) * | 2021-07-17 | 2021-10-08 | 江苏溧阳建设集团有限公司 | Be applied to reinforced (rfd) drainage device that catchments of soft soil foundation |
| CN113481967B (en) * | 2021-07-17 | 2022-06-14 | 江苏溧阳建设集团有限公司 | Be applied to reinforced (rfd) drainage device that catchments of soft soil foundation |
| CN114016529A (en) * | 2021-11-25 | 2022-02-08 | 中铁十四局集团大盾构工程有限公司 | Precipitation drainage device for tunnel foundation pit |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20201124 Address after: Room 101, unit 1, building 1, jinheyuan community, 10 Nanchang Road, Huaian Economic and Technological Development Zone, Jiangsu Province 223010 Patentee after: Jiangsu Anfa Construction Co.,Ltd. Address before: 223001 Beijing 89 North Road, Jiangpu District, Jiangsu, Huaian Patentee before: HUAIYIN INSTITUTE OF TECHNOLOGY |
|
| TR01 | Transfer of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20200821 Termination date: 20210902 |
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| CF01 | Termination of patent right due to non-payment of annual fee |