CN220058049U - Foundation pit drainage device - Google Patents
Foundation pit drainage device Download PDFInfo
- Publication number
- CN220058049U CN220058049U CN202321592213.9U CN202321592213U CN220058049U CN 220058049 U CN220058049 U CN 220058049U CN 202321592213 U CN202321592213 U CN 202321592213U CN 220058049 U CN220058049 U CN 220058049U
- Authority
- CN
- China
- Prior art keywords
- rotary drum
- motor
- shell
- slope
- water
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims abstract description 72
- 239000004576 sand Substances 0.000 claims abstract description 21
- 238000005086 pumping Methods 0.000 claims abstract description 16
- 238000000926 separation method Methods 0.000 claims abstract description 14
- 238000000034 method Methods 0.000 abstract description 6
- 239000004575 stone Substances 0.000 description 12
- 238000010276 construction Methods 0.000 description 4
- 238000009412 basement excavation Methods 0.000 description 3
- 239000003651 drinking water Substances 0.000 description 3
- 235000020188 drinking water Nutrition 0.000 description 3
- 239000003673 groundwater Substances 0.000 description 2
- 230000004075 alteration Effects 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 239000012466 permeate Substances 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- 238000006467 substitution reaction Methods 0.000 description 1
Abstract
The utility model relates to the technical field of constructional engineering, in particular to a foundation pit drainage device which comprises a water pump, a connecting pipe and a water pumping head, wherein two ends of the connecting pipe are respectively communicated with the water pump and the water pumping head, the water pumping head comprises a motor, a shell and a water pumping pipe, a rotary drum is arranged on a rotary shaft of the motor, the axis of the rotary drum is coincident with the axis of the rotary shaft of the motor, blades are arranged on the side surface of the rotary drum, a slope is arranged on the side surface of the bottom of the motor, the slope is obliquely arranged on the side surface of the motor, the top end of the slope is higher than the bottom end of the slope, the shell is fixedly connected with the slope, the shell surrounds the motor and the rotary drum, a separation part is formed on the side surface of the shell, a sand discharge opening is formed at the bottom of the separation part, the top end of the water pumping pipe is arranged at the top end of the shell, the bottom end of the water pumping pipe is positioned at the inner side of the rotary drum, sand and the accumulated water in the foundation pit can be separated, damage caused by sand and sand in the accumulated water discharge process of the water pumping pump can be avoided, the failure rate of the water pump can be reduced, practical significance and popularization value can be expected, and good economic benefit can be generated.
Description
Technical Field
The utility model relates to the technical field of constructional engineering, in particular to a foundation pit drainage device.
Background
An excavation (Excavations) refers to a pit excavated at a base design position according to a base elevation and a base plane size, which is used to construct a foundation project. The construction quality of the foundation engineering determines the overall strength of the upper structure, and in the foundation engineering construction, the drainage efficiency and quality of the foundation pit are closely related to the efficiency and quality of the foundation engineering construction.
In the process of excavation of the foundation pit, when the foundation pit is lower than the groundwater level, groundwater continuously permeates into the foundation pit to form ponding. In addition, when the foundation pit encounters heavy rainfall, a large amount of rainwater enters the foundation pit, a large amount of sand and stones can be carried along the side wall of the foundation pit to enter the foundation pit, if accumulated water is not removed in time, the construction condition is deteriorated, and furthermore, the side slope collapse can be caused, so that the bearing capacity of the foundation is reduced, and the foundation pit is required to be drained.
The common method is to pump accumulated water in the foundation pit by using a water pump, but the accumulated water is easy to damage due to high sand and stone content in the accumulated water, and the water pump has high failure rate.
Disclosure of Invention
The utility model aims to provide a foundation pit drainage device which solves the problems in the background art.
The utility model provides the technical scheme that the water pump comprises a water pump, a connecting pipe and a water pumping head, wherein two ends of the connecting pipe are respectively communicated with the water pump and the water pumping head, the water pumping head comprises a motor, a shell and a water pumping pipe, a rotary drum is arranged on a rotary shaft of the motor, the axis of the rotary drum is coincident with the axis of the rotary shaft of the motor, blades are arranged on the side face of the rotary drum, a slope is arranged on the side face of the bottom of the motor, the slope is obliquely arranged on the side face of the motor, the top end of the slope is higher than the bottom end of the slope, the shell is fixedly connected with the slope, the shell surrounds the motor and the rotary drum, a cylindrical separation part is formed on the side face of the shell in an expanding way, a sand discharging opening is formed at the bottom of the separation part, the top end of the shell is circumferentially formed with a flange, the top end of the shell is connected with the end of the connecting pipe through the flange, and the top end of the water pumping pipe is arranged on the inner side of the rotary drum.
Preferably, one end of the rotary drum is in a closed shape and is connected with the motor rotating shaft, and the other end of the rotary drum is in an open shape and is communicated with the inside of the rotary drum.
Preferably, the cross-sectional area of the top of the ramp is greater than the cross-sectional area of the bottom of the ramp.
Preferably, the cross section of the ramp tapers from top to bottom.
Preferably, a filter screen is arranged at the bottom end of the shell.
Preferably, the separating portion is cylindrical and coaxial with the drum and the length of the separating portion is greater than the length of the drum.
Preferably, the bottom end of the water suction pipe is positioned at the inner side of the rotary drum through the opening of the rotary drum, and the axis of the water suction pipe is coincident with the axis of the rotary drum.
As can be seen from the above description of the structure of the present utility model, compared with the prior art, the present utility model has the following advantages:
the foundation pit drainage device provided by the utility model can separate sand and stone in accumulated water in the foundation pit from the accumulated water, so that the water suction pump is prevented from being damaged due to sand and stone in the accumulated water drainage process, the failure rate of the water suction pump is reduced, the foundation pit drainage device has practical significance and popularization value, and good economic benefits can be expected to be generated.
Drawings
The accompanying drawings, which are included to provide a further understanding of the utility model and are incorporated in and constitute a part of this specification, illustrate embodiments of the utility model and together with the description serve to explain the utility model. In the drawings:
FIG. 1 is a schematic perspective view of the present utility model;
FIG. 2 is a schematic diagram of a cross-sectional configuration of the pump head;
in the figure: the water pump comprises a water pump-1, a connecting pipe-2, a water pump head-3, a motor-301, a shell-302, a water pump pipe-303, a rotary drum-304, blades-305, a slope-306, a separating part-307, a sand discharge port-308, a flange-309 and a filter screen-3010.
Detailed Description
The following description of the embodiments of the present utility model will be made clearly and completely with reference to the accompanying drawings, in which it is apparent that the embodiments described are only some embodiments of the present utility model, but not all embodiments. All other embodiments, which can be made by those skilled in the art based on the embodiments of the utility model without making any inventive effort, are intended to be within the scope of the utility model.
Examples
Referring to fig. 1-2, a foundation pit drainage device comprises a water pump 1, a connecting pipe 2 and a water pump head 3, wherein two ends of the connecting pipe 2 are respectively communicated with the water pump 1 and the water pump head 3, the water pump head 3 comprises a motor 301, a shell 302 and a water pump 303, a rotary drum 304 is arranged on a rotary shaft of the motor 301, an axis of the rotary drum 304 is coincident with an axis of the rotary shaft of the motor 301, a blade 305 is arranged on a side surface of the rotary drum 304, one end of the rotary drum 304 is connected with the rotary shaft of the motor 301 in a closed manner, the other end of the rotary drum 304 is communicated with the inside of the rotary drum 304 in an open manner, a slope 306 is arranged on a side surface of the bottom of the motor 301 in an inclined manner, the top end of the slope 306 is higher than the bottom end of the slope 306, the cross-sectional area of the top of the slope 306 is larger than the cross-sectional area of the bottom of the slope 306, the cross section of slope 306 diminishes gradually from top to bottom, shell 302 and slope 306 fixed connection and shell 302 surround motor 301, rotary drum 304, shell 302 side swell is formed with cylindric separation portion 307, separation portion 307 is cylindric and rotary drum 304 coaxial line and separation portion 307's length is greater than rotary drum 304's length, separation portion 307 bottom is formed with sediment outflow 308, shell 302 top circumference is formed with flange 309, shell 302 top passes through flange 309 and connecting pipe 2 end connection, filter screen 3010 is installed to shell 302 bottom, the top of casing 302 top and the bottom of drinking-water pipe 303 are located the rotary drum 304 inboard, the bottom of drinking-water pipe 303 is located the rotary drum 304 inboard through the opening of rotary drum 304, the drinking-water pipe 303 axis coincides with rotary drum 304 axis.
The motor 301 and the water pump 1 belong to the prior art, and are known to those skilled in the art, so that the specific structure and the working principle thereof will not be further described, the problem of ambiguous description will not exist, and the motor 301 adopts a waterproof motor in the specific implementation.
The control mode of the utility model is to realize automatic control through an external controller, the control circuit of the controller can be realized through simple programming by a person skilled in the art, the supply of power also belongs to the common knowledge in the art, and the utility model is mainly used for protecting mechanical devices, so the utility model does not explain the control mode and circuit connection in detail.
The working principle of the utility model is as follows: the water suction pump 1 is fixed above the foundation pit, the water suction head 3 is placed at the bottom of the accumulated water in the foundation pit through the connecting pipe 2, the motor 301 and the water suction pump 1 are started, the water suction pump 1 generates negative pressure to suck the accumulated water from the bottom of the shell 302, and the accumulated water finally leaves from the water suction pump 1 through the water suction pipe 303 and the connecting pipe 2, so that the purpose of foundation pit drainage is achieved.
The accumulated water enters the filter screen 3010 at the bottom of the casing 302 to primarily filter sand and stones in the accumulated water, then the accumulated water is driven by the blades 305 on the rotary drum 304 to form vortex flow at the separation part 307, the density of the sand and stones is greater than that of water, so that the sand and stones are intensively distributed on the outer side of the vortex flow, and the sand and stones finally leave from the sand discharge port 308 at the bottom of the separation part 307 in the process of rotating along with the vortex flow, so that the accumulated water and the sand and stones are separated.
The motor 310 is provided with a ramp 306 on the side, the ramp 306 being arranged to encourage sand to slide down the ramp 306.
The density of the sand and stone is greater than that of the water, so that the sand and stone can be intensively distributed on the outer side of the vortex, the water accumulated on the inner side of the vortex extracted by the water suction pipe 303 finally leaves from the water suction pump 1 through the connecting pipe 2, the purpose of foundation pit drainage is achieved, and meanwhile, the water suction pump 1 can be prevented from being damaged due to sand and stone in the water suction process.
Although embodiments of the present utility model have been shown and described, it will be understood by those skilled in the art that various changes, modifications, substitutions and alterations can be made therein without departing from the principles and spirit of the utility model, the scope of which is defined in the appended claims and their equivalents.
Claims (7)
1. The utility model provides a foundation ditch drainage device, includes suction pump (1), connecting pipe (2) and water pump (3), connecting pipe (2) both ends communicate with suction pump (1) and water pump (3) respectively, its characterized in that:
the water pumping head (3) comprises a motor (301), a shell (302) and a water pumping pipe (303);
a rotary drum (304) is arranged on a rotary shaft of the motor (301), the axis of the rotary drum (304) is coincident with the axis of the rotary shaft of the motor (301), blades (305) are arranged on the side face of the rotary drum (304), a slope (306) is arranged on the side face of the bottom of the motor (301), the slope (306) is obliquely arranged on the side face of the motor (301), and the top end of the slope (306) is higher than the bottom end of the slope (306);
the shell (302) is fixedly connected with the slope (306), the shell (302) surrounds the motor (301) and the rotary drum (304), a cylindrical separation part (307) is formed by expanding the side surface of the shell (302), and a sand discharge opening (308) is formed at the bottom of the separation part (307);
a flange (309) is circumferentially formed at the top end of the shell (302), the top end of the shell (302) is connected with the end part of the connecting pipe (2) through the flange (309), the top end of the water pumping pipe (303) is arranged at the top end of the shell (302), and the bottom end of the water pumping pipe (303) is arranged at the inner side of the rotary drum (304).
2. The foundation pit drainage device of claim 1, wherein: one end of the rotary drum (304) is in a closed shape and is connected with the rotating shaft of the motor (301), and the other end of the rotary drum (304) is in an open shape and is communicated with the inside of the rotary drum (304).
3. The foundation pit drainage device of claim 1, wherein: the cross-sectional area of the top of the ramp (306) is greater than the cross-sectional area of the bottom of the ramp (306).
4. A pit drain according to claim 3, wherein: the cross section of the slope (306) gradually becomes smaller from top to bottom.
5. A pit drain according to any of claims 1-4, wherein: a filter screen (3010) is arranged at the bottom end of the shell (302).
6. A pit drain according to any of claims 1-4, wherein: the separation part (307) is cylindrical and coaxial with the rotary drum (304), and the length of the separation part (307) is longer than that of the rotary drum (304).
7. A pit drain according to claim 2, wherein: the bottom end of the water suction pipe (303) is positioned at the inner side of the rotary drum (304) through an opening of the rotary drum (304), and the axis of the water suction pipe (303) is coincident with the axis of the rotary drum (304).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321592213.9U CN220058049U (en) | 2023-06-21 | 2023-06-21 | Foundation pit drainage device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202321592213.9U CN220058049U (en) | 2023-06-21 | 2023-06-21 | Foundation pit drainage device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN220058049U true CN220058049U (en) | 2023-11-21 |
Family
ID=88768367
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202321592213.9U Active CN220058049U (en) | 2023-06-21 | 2023-06-21 | Foundation pit drainage device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN220058049U (en) |
-
2023
- 2023-06-21 CN CN202321592213.9U patent/CN220058049U/en active Active
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN206859224U (en) | The slag cleaning device of the dry pore-forming of rotary digging stake | |
| CN110792474B (en) | Long tunnel drainage system | |
| CN220058049U (en) | Foundation pit drainage device | |
| CN110685746A (en) | Automatic tunnel drainage system | |
| CN205369515U (en) | Integration pump station with adjustable bottom hydraulic pressure | |
| CN209854809U (en) | Desilting device of reservoir among hydraulic engineering | |
| CN215105422U (en) | Foundation ditch drainage device for construction | |
| CN212003619U (en) | Water source pool pumping system | |
| CN212003083U (en) | Pile hole mud and slag cleaning device | |
| CN114960710A (en) | Foundation pit dewatering structure and dewatering method | |
| CN114855845A (en) | Pumping and drainage device for large foundation pit and construction method | |
| CN113638771A (en) | Ponding pump drainage system in building engineering bridge tunnel | |
| CN115262602B (en) | Sand foundation corrugated pipe dewatering well and dewatering method thereof | |
| CN219033266U (en) | Foundation pit drainage device | |
| CN206941696U (en) | The prefabricated pumping plant of novel all-in-one | |
| CN105604076A (en) | Vacuum pump water-discharging device suitable for tunnel excavation | |
| CN114855844B (en) | Dewatering pipe well for gravel field and construction method | |
| CN106907334B (en) | A kind of trench pump and method with function of removing sand | |
| CN219840112U (en) | Deep foundation pit drainage device for building construction | |
| CN218713196U (en) | Basement foundation pit dewatering and drainage equipment | |
| CN220035547U (en) | Hydraulic engineering dredging device | |
| CN212374934U (en) | Vacuum water-gas separator | |
| CN220117252U (en) | Drainage device with filtering capability for bridge construction | |
| CN220101559U (en) | Integrated pump station with self-exhausting function | |
| CN114622585B (en) | Environment-friendly precipitation system and operation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| GR01 | Patent grant | ||
| GR01 | Patent grant |