CN211472605U

CN211472605U - Anti device that floats of basement bottom plate

Info

Publication number: CN211472605U
Application number: CN201922402463.1U
Authority: CN
Inventors: 聂贝贝
Original assignee: Zhengzhou Siyou Construction Technology Co ltd
Current assignee: Shanghai Construction Technology Co ltd
Priority date: 2019-12-27
Filing date: 2019-12-27
Publication date: 2020-09-11
Anticipated expiration: 2029-12-27

Abstract

The utility model provides a basement bottom plate anti-floating device, which relates to the technical field of constructional engineering and comprises flood discharge pits arranged at intervals before the construction of the basement bottom plate; the filter screen is arranged in the flood discharge pit; a flood discharge pipe arranged in the filter screen; the draft tube is poured in the basement bottom plate concrete and communicated with the flood discharge pipe; the utility model can realize the back washing of the filter screen, ensure the filtering capacity and the water inlet capacity of the filter screen, and also ensure the anti-floating capacity of the basement bottom plate, so that the anti-floating device of the basement bottom plate provided by the utility model can well operate for a long time, saves the maintenance cost, and is very convenient to use; after more impurities are adhered to the outer surface of the filter screen, and the internal and external water pressure difference of the filter screen reaches the preset value of the controller, the controller controls the second electric control valve to be opened and the first electric control valve to be closed, so that the automatic back washing effect of the filter screen is realized.

Description

Anti device that floats of basement bottom plate

Technical Field

The utility model relates to a building engineering technical field specifically is an anti device that floats of basement bottom plate.

Background

At present, the traditional basement anti-floating measures mainly include: increase basement anti superficial dead weight, add anti superficial stock, arrange anti-floating pile at basement bottom plate. Although the method can control the anti-floating of the basement within a certain range, the method still has great disadvantages. Considering that a great deal of uncertainty exists in surveying the value of the anti-floating water level, if continuous strong rainfall occurs, the underground water level can rapidly rise after infiltration of the rainfall and lateral groundwater runoff replenishment, huge buoyancy can be generated for the bottom plate in a short period, particularly during construction, because the upper main body is not constructed, the load cannot be completely loaded, and under the condition, the bottom plate is easy to crack or the basement floats upwards integrally due to the huge buoyancy generated in a short period.

Through retrieval and discovery, the Chinese patent with the publication number of CN208455682U discloses an anti-floating pressure relief device for a basement bottom plate, which comprises a plurality of flood discharge pits, a flow guide pipeline, a water collecting well and a self-starting drainage pump, wherein the flood discharge pits are arranged at intervals before the basement bottom plate is constructed, the flow guide pipeline is poured in basement bottom plate concrete, the water collecting well is arranged in the basement bottom plate, the self-starting drainage pump is arranged in the water collecting well, a galvanized steel pipe is arranged in each flood discharge pit, and the top end of each galvanized steel pipe is connected with the flow guide; the periphery of galvanized steel pipe sets up the cobble filter layer, the cobble filter layer outside is equipped with the coarse sand filter layer, filter impurity etc. in the groundwater through the filter layer, avoid blockking up the diversion pipeline, because the diversion pipeline is the pouring in basement bottom plate, consequently if block up the diversion pipeline, then face whole anti paralysis that floats pressure relief device, but after long-time use, often can not avoid the accumulational impurity of above-mentioned filter layer more and more, influence the drainage effect of filter layer, be difficult to the drainage completely even.

SUMMERY OF THE UTILITY MODEL

The utility model aims at providing an anti device that floats of basement bottom plate aims at solving the anti device that floats of basement bottom plate among the prior art and uses the back for a long time, and the accumulational impurity of filter layer is more and more, influences the drainage effect of filter layer, is difficult to the problem of drainage completely even.

In order to achieve the above purpose, the utility model adopts the following technical scheme: the anti device that floats of basement bottom plate includes:

flood discharging pits are arranged at intervals before the basement bottom plate is constructed;

the filter screen is arranged in the flood discharge pit;

a flood discharge pipe arranged in the filter screen;

the draft tube is poured in the basement bottom plate concrete and communicated with the flood discharge pipe;

the first electric control valve is arranged on the flow guide pipe;

a back-flushing pipe communicated with the inside of the filter screen;

a second electrically operated valve mounted on the backwash tube.

A water collecting well is arranged in the basement bottom plate, and the end part of the flow guide pipe extends into the water collecting well.

And a self-starting draining pump is installed in the water collecting well, and the water outlet end of the self-starting draining pump is communicated with a draining pipe.

Install first water pressure sensor on the honeycomb duct, first water pressure sensor with first automatically controlled valve electric connection.

The flood discharge pipe is a galvanized steel pipe.

And the filter screens in the adjacent flood discharge pits are communicated through a fixed pipe.

And a second water pressure sensor and a third water pressure sensor are respectively installed on the inner wall and the outer wall of the filter screen.

And the second water pressure sensor and the third water pressure sensor are electrically connected with the second electric valve and the first electric valve through a controller.

The utility model has the advantages that:

1. when impurities and the like on the outer surface of the filter screen need to be removed, the first electric control valve is closed at the moment, so that water entering the filter screen door cannot be discharged through the flow guide pipe, the second electric control valve is opened, a high-pressure water source communicated with the backwash pipe enters the filter screen through the backwash pipe at the moment, impurities and the like adhered to the surface of the filter screen are removed, and the backwashing effect on the filter screen is realized, so that the utility model can realize backwashing on the filter screen, ensure the filtering capacity and the water inlet capacity of the filter screen, and also ensure the anti-floating capacity of the basement bottom plate, so that the basement bottom plate anti-floating device provided by the utility model can well run for a long time, save the maintenance cost, and is very convenient to use;

2. after the more impurity of the outer surface adhesion of filter screen, groundwater that this moment is located flood discharge hole enters into the filter screen and is hindered, then the inside and outside of filter screen has the water pressure difference this moment, detect the inside and outside water pressure of filter screen respectively through the second water pressure sensor and the third water pressure sensor that set up, after the inside and outside water pressure difference of filter screen reaches the default of controller, then the controller control second electric control valve opens and the closing of first electric control valve to the realization is to the automatic back flush effect of filter screen.

Drawings

Fig. 1 is a front view of embodiment 1 of the basement floor anti-floating device.

Fig. 2 is a front view of embodiment 2 of the basement floor anti-floating device.

Detailed Description

The following description will further describe embodiments of the present invention with reference to the accompanying drawings.

Example 1

As shown in fig. 1, the anti-floating device of the basement bottom plate comprises flood discharging pits 15 which are arranged at intervals before the basement bottom plate 1 is constructed; a filter screen 9 arranged in the flood discharge pit 15; the flood discharge pipe 8 is arranged in the filter screen 9, and preferably, the flood discharge pipe 8 is a galvanized steel pipe; the draft tube 3 is poured in concrete of the basement bottom plate 1 and communicated with the flood discharge pipe 8; a first electric control valve 5 arranged on the draft tube 3; a back-washing pipe 10 communicating with the inside of the strainer 9; a second electrically operated valve 12 mounted on the backwash pipe 10, preferably a screen 9 in the adjacent said flood pit 15, is connected by a fixed pipe 11.

In this embodiment, if when meeting continuous heavy rainfall, the rainwater infiltrates lateral groundwater runoff supply back ground water level can sharply rise, groundwater enters into flood discharge hole 15 in, filter screen 9 filters the back with the impurity of groundwater, groundwater loops through flood discharge pipe 8 and honeycomb duct 3 and discharges, avoid ground water level to continuously rise and to the 1 short-term huge buoyancy of appearing of basement bottom plate and produce crack or the whole come-up of basement, improve basement bottom plate anti-floating ability, and filter screen 9 filtering impurity etc., avoid blockking up honeycomb duct 3.

More importantly, after long-term use, the outer surface of the filter screen 9 inevitably adheres more impurities and the like, which affect the speed of the groundwater entering the filter screen 9, thereby affecting the flood discharge effect, therefore, in this embodiment, more importantly, when the impurities and the like on the outer surface of the filter screen 9 need to be cleared, the first electric control valve 5 is closed at this time, so that the water entering the filter screen 9 can not be discharged through the flow guide pipe 3, the second electric control valve 12 is opened, the high-pressure water source communicated with the back flushing pipe 10 enters the filter screen 9 through the back flushing pipe 10 at this time, the impurities and the like adhered on the surface of the filter screen 9 are removed, the back flushing effect on the filter screen 9 is realized, therefore, the utility model can realize the back flushing of the filter screen 9, ensure the filtering capability and the water inlet capability of the filter screen 9, and also ensure the anti-floating capability of the basement bottom plate, so that the anti-floating device of the basement bottom plate provided by the, the maintenance cost is saved, and the use is very convenient.

Further, a water collecting well 2 is arranged in the basement bottom plate 1, the end part of the flow guide pipe 3 extends into the water collecting well 2, a self-starting drainage pump 6 is installed in the water collecting well 2, and the water outlet end of the self-starting drainage pump 6 is communicated with a drainage pipe 7; in the process of discharging the underground water in the flood discharge pit 15, the underground water is discharged into the water collecting well 2 through the guide pipe 3 and then is discharged through the self-starting drainage pump 6.

Further, a first water pressure sensor 4 is installed on the draft tube 3, and the first water pressure sensor 4 is electrically connected with the first electric control valve 5; when the water pressure in the draft tube 3 becomes large, the first water pressure sensor 4 detects a signal and receives the signal through the controller and controls the first electric control valve 5 to be opened, so that the automatic flood discharge operation is realized.

Example 2

As shown in fig. 2, a second water pressure sensor 13 and a third water pressure sensor 14 are respectively installed on the inner wall and the outer wall of the filter screen 9, and the second water pressure sensor 13 and the third water pressure sensor 14 are electrically connected to the second electrically operated valve 12 and the first electrically controlled valve 5 through a controller.

After more impurities are adhered to the outer surface of the filter screen 9, the underground water in the flood discharge pit 13 enters the filter screen 9 and is blocked, the inside and the outside of the filter screen 9 have water pressure difference, the inside and the outside of the filter screen 9 are respectively detected by the arranged second water pressure sensor 13 and the third water pressure sensor 14, and after the inside and the outside water pressure difference of the filter screen 9 reaches the preset value of a controller (such as a CPU), the controller controls the second electric control valve 12 to be opened and the first electric control valve 5 to be closed, so that the automatic backwashing effect of the filter screen 9 is realized.

In the description of the present invention, unless otherwise expressly specified or limited, the terms "mounted," "connected," and "connected" are to be construed broadly, e.g., as meaning a fixed connection, a removable connection, or an integral connection; can be mechanically or electrically connected; they may be connected directly or indirectly through intervening media, or they may be interconnected between two elements. The specific meaning of the above terms in the present invention can be understood in specific cases to those skilled in the art.

Claims

1. The utility model provides an anti device that floats of basement bottom plate, characterized by includes:

flood discharge pits (15) are arranged at intervals before the basement bottom plate (1) is constructed;

a filter screen (9) arranged in the flood discharge pit (15);

a flood discharge pipe (8) arranged in the filter screen (9);

a flow guide pipe (3) which is poured in the concrete of the basement bottom plate (1) and communicated with the flood discharge pipe (8);

a first electric control valve (5) arranged on the draft tube (3);

a back-flushing pipe (10) communicated with the inside of the filter screen (9);

a second electrically operated valve (12) mounted on the backwash pipe (10).

2. The basement floor anti-floating device according to claim 1, wherein a water collecting well (2) is arranged in the basement floor (1), and the end of the draft tube (3) extends into the water collecting well (2).

3. The anti-floating device for the basement floor according to claim 2, wherein a self-starting drainage pump (6) is installed in the water collecting well (2), and a drainage pipe (7) is communicated with the water outlet end of the self-starting drainage pump (6).

4. The basement bottom plate anti-floating device according to claim 1, wherein a first water pressure sensor (4) is installed on the draft tube (3), and the first water pressure sensor (4) is electrically connected with the first electrically controlled valve (5).

5. The anti-floating device of the basement bottom plate according to claim 1, wherein the flood discharge pipe (8) is a galvanized steel pipe.

6. The basement floor anti-floating device according to claim 1, wherein the filter screens (9) in the adjacent flood discharge pits (15) are communicated through a fixed pipe (11).

7. The anti-floating device of the basement floor according to any one of claims 1-6, wherein the inner wall and the outer wall of the filter screen (9) are respectively provided with a second water pressure sensor (13) and a third water pressure sensor (14).

8. The basement bottom plate anti-floating device according to claim 7, wherein the second water pressure sensor (13) and the third water pressure sensor (14) are electrically connected with the second electric valve (12) and the first electric valve (5) through a controller.