CN213329082U - Small-aperture pumping device - Google Patents
Small-aperture pumping device Download PDFInfo
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- CN213329082U CN213329082U CN202022109458.4U CN202022109458U CN213329082U CN 213329082 U CN213329082 U CN 213329082U CN 202022109458 U CN202022109458 U CN 202022109458U CN 213329082 U CN213329082 U CN 213329082U
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Abstract
The utility model belongs to the building foundation ditch field of drawing water specifically discloses a small aperture pumping device, including immersible pump, lower level ware, go up level ware and stopper, the delivery port and the drain pipe intercommunication of immersible pump are used for drawing water, and lower level ware and last level ware are fixed on the drain pipe and when the floater of lower level ware sinks, and its bottom is higher than the top of immersible pump, and the position when the floater of going up the level ware sinks is higher than the position when the floater of lower level ware floats, and lower level ware, last level ware and immersible pump all communicate with the stopper, and the stopper is put through with external power supply, and immersible pump and external power supply put through when going up level ware, lower level ware switch all are closed, and immersible pump and external power supply disconnection when going up level ware, lower level ware switch all are opened, the utility model discloses a two ball theory of operation realizes that the immersible pump is automatic, stops, draws water the volume is big, draws water, The water pump and other materials are protected better in short time.
Description
Technical Field
The utility model belongs to the building foundation ditch field of drawing water specifically discloses a small aperture pumping device.
Background
The foundation pit dewatering means that when the foundation pit is excavated, the underground water level is higher than the excavation bottom surface, and underground water can continuously infiltrate into the pit, so that the foundation pit can be constructed under a dry condition, and the dewatering work is performed to prevent the pit bottom from rising, the pit bottom piping and the foundation bearing capacity from decreasing. The common 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.
For the more narrow foundation ditch that closes on the building more around digging place, generally all adopt precipitation well precipitation scheme. However, in the traditional water pumping mode of the submersible pump, one worker can only manage one foundation pit or two foundation pits, and the working efficiency is low.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a small aperture pumping device to solve the problem that proposes among the above-mentioned background art.
In order to achieve the above object, the utility model provides a following technical scheme: a small-aperture water pumping device comprises a submersible pump, a lower liquid level device, an upper liquid level device and a limiting stopper, wherein a water outlet of the submersible pump is communicated with a drain pipe for pumping water;
the lower liquid level device, the upper liquid level device and the submersible pump are communicated with the limiting device, the limiting device is communicated with an external power supply, the submersible pump is communicated with the external power supply when the switches of the upper liquid level device and the lower liquid level device are both closed, and the submersible pump is disconnected with the external power supply when the switches of the upper liquid level device and the lower liquid level device are both opened.
Preferably, the lower liquid level device and the upper liquid level device are bound on the drain pipe through a wire clamp and fixed.
Preferably, a wetting type steel wire rope is fixed at the top of the submersible pump. During operation, the submersible pump is lowered to the bottom of the foundation pit by using the immersion type steel wire rope.
Compared with the prior art, the beneficial effects of the utility model are that: the utility model discloses a small aperture pumping device adopts drilling to beat the well under the condition of no curtain construction, directly carries out foundation ditch precipitation with small aperture clarified water pump. The double-floating-ball working principle is adopted, so that the submersible pump can automatically pump water and stop, the water pumping amount is large, the time is short, and the water pump and other materials are better protected.
The whole pumping process is automatically controlled, one worker can operate the pumping work of a plurality of foundation pits, the working efficiency is greatly improved, and the consumption of manpower and material resources caused by secondary reworking is reduced.
The utility model discloses a common accessory is assembled, can reduce cost, pollution-free, noiselessness, energy-concerving and environment-protective.
Drawings
FIG. 1 is a schematic structural view of the present invention;
fig. 2 is a schematic diagram of the water level rising to the top of the lower float and the lower float switch being closed.
FIG. 3 is a schematic view showing the water level rising to the top of the upper float and the closing of the upper and lower float switches.
FIG. 4 is a schematic view showing the water level dropping to the top of the lower float and the upper float switch being closed.
FIG. 5 is a schematic view showing the water level dropping to the bottom of the lower float and the lower float switch being closed.
In the figure: 1. the submersible pump is characterized in that 2 is a lower liquid level device, 3 is an upper liquid level device, 4 is a limiting stopper, and 5 is a drain pipe.
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, the present invention provides a technical solution: the utility model provides a small aperture pumping device, includes immersible pump 1, lower level ware 2, goes up level ware 3 and stopper 4, and immersible pump 1's delivery port and drain pipe 5 intercommunication are used for drawing water, and lower level ware 2 and last level ware 3 are fixed on drain pipe 5 and when the floater of lower level ware 2 sinks, and its bottom is higher than immersible pump 1's top, and the position when the floater of going up level ware 3 sinks is higher than the position when the floater of lower level ware 2 floats.
The lower liquid level device 2, the upper liquid level device 3 and the submersible pump 1 are all communicated with the limiter 4, the limiter 4 is communicated with an external power supply, the submersible pump 1 is communicated with the external power supply when switches of the upper liquid level device 3 and the lower liquid level device 2 are both closed, and the submersible pump 1 is disconnected with the external power supply when switches of the upper liquid level device 3 and the lower liquid level device 2 are both opened; when only one switch of the upper liquid level device 3 and the lower liquid level device 2 is closed, the submersible pump 1 and the external power supply can not be connected, similarly, when only one switch of the upper liquid level device 3 and the lower liquid level device 2 is opened, the submersible pump 1 and the external power supply can not be disconnected, and when the two switches are opened or closed, the submersible pump 1 and the external power supply can be disconnected or connected,
in order to prevent the electric wire of the liquid level device from swinging in water and influencing the normal floating or descending of the floating ball, the lower liquid level device 2 and the upper liquid level device 3 are bound on the drain pipe 5 through the wire clamp and fixed.
As shown in fig. 1-5, the working process of the present invention is as follows: the submersible pump 1 is placed at the bottom of a foundation pit by using an immersion type steel wire rope fixed at the top of the submersible pump 1, when the water level is higher than that of the lower liquid level device and is completely submerged, the switch of the liquid level device is in a closed state, when the water level rises to submerge the upper liquid level device and the switch of the liquid level device is in a closed state, the switch of the limiter 4 is closed, and the clean water pump is switched on with an external power supply to start working. As shown in figure 4, when the water level drops to the bottom of the upper liquid level device, the water pump works normally to pump water, but the switch of the upper liquid level device 3 is not switched off, as shown in figure 5, when the water level drops to the bottom of the lower liquid level device, the switch of the lower liquid level device is switched off, the switch of the limit device 4 is switched off, and the water pump stops pumping water.
Utilize the utility model discloses a small aperture pumping device is convenient for job site precipitation well water level inspection and record, static water level surveyability, makes work go on more orderly. The whole device is small in size, the occupied area of a construction site is reduced, and a site is provided for later-stage material stacking.
By using the principle of double floating balls, under the condition of curtain-free construction, drilling and well digging are carried out, and the foundation pit precipitation is directly carried out by using a small-bore clean water pump. The device can automatically pump water and stop, has large water pumping amount and short time, and can better protect the water pump and other materials.
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 (3)
1. A small aperture pumping device is characterized in that: the water pump comprises a submersible pump (1), a lower liquid level device (2), an upper liquid level device (3) and a limiting stopper (4), wherein a water outlet of the submersible pump (1) is communicated with a drain pipe (5) for pumping water, the lower liquid level device (2) and the upper liquid level device (3) are fixed on the drain pipe (5), when a floating ball of the lower liquid level device (2) sinks, the bottom of the lower liquid level device is higher than the top end of the submersible pump (1), and when the floating ball of the upper liquid level device (3) sinks, the position of the upper liquid level device is higher than the position of the floating ball of the lower liquid level device (2) when the floating ball floats upwards;
liquid level ware (2), last liquid level ware (3) and immersible pump (1) all communicate with stopper (4) down, stopper (4) and external power source switch-on, immersible pump (1) and external power source switch-on when going up liquid level ware (3), lower liquid level ware (2) switch and all closing, immersible pump (1) and external power source disconnection when going up liquid level ware (3), lower liquid level ware (2) switch and all opening.
2. The small bore water pumping device of claim 1 wherein: the lower liquid level device (2) and the upper liquid level device (3) are bound on the drain pipe (5) through a wire clamp and fixed.
3. The small bore water pumping device of claim 1 wherein: and a wetting steel wire rope is fixed at the top of the submersible pump (1).
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022109458.4U CN213329082U (en) | 2020-09-24 | 2020-09-24 | Small-aperture pumping device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022109458.4U CN213329082U (en) | 2020-09-24 | 2020-09-24 | Small-aperture pumping device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213329082U true CN213329082U (en) | 2021-06-01 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022109458.4U Active CN213329082U (en) | 2020-09-24 | 2020-09-24 | Small-aperture pumping device |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213329082U (en) |
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2020
- 2020-09-24 CN CN202022109458.4U patent/CN213329082U/en active Active
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