CN216640644U - Easy-sealing water draining device - Google Patents

Abstract

The utility model provides an easy-to-seal water drainage device, belongs to the field of plugging of water drainage well pipes, and solves the problems that the existing plugging is difficult and the like. Including sluicing well casing and drain pipe, the drain pipe is connected through interior sealing plate and sluicing well casing, the outside perisporium of interior sealing plate and the inboard perisporium sealing connection of sluicing well casing, the drain pipe is used for making the water discharge that is located interior sealing plate below, be provided with the valve on the drain pipe, the top of valve and drain pipe position in sealing plate, the drain pipe includes first body and second body, first body and second body are connected respectively in the both ends of valve, the second body is connected with dismantling of valve. The utility model can prevent the concrete layer in the drain well pipe from water leakage and water seepage, and can simply and conveniently cut off the water flow when plugging, and the efficiency and the success rate of cutting off the water flow are high.

Description

Easy-sealing water draining device

Technical Field

The utility model belongs to the field of plugging of water drainage well pipes, and particularly relates to an easily-sealed water drainage device.

Background

With the continuous development of the urbanization process, the requirement of underground construction is larger and larger, and more construction projects are provided. Because tunnel construction or basement construction all go on in the underground, just must excavate the soil horizon to the underground design degree of depth, and along with the soil horizon is excavated away, the groundwater that stores in the soil horizon all around will constantly permeate the operation face of current construction, if not handle or dredge in time, will influence the normal clear of tunnel construction or basement construction to probably leave the quality hidden danger.

In order to prevent instability problems such as floating, cracking and structural damage of a base plate of a foundation pit, a drainage well pipe (also called a precipitation well pipe) is often embedded in the base plate, and collected water is drained to a place outside a current operation surface through a drainage tool, so that the safety of foundation pit construction is guaranteed. Generally, after the foundation pit bottom plate is poured to meet design requirements, precipitation work is finished, plugging needs to be carried out, a steel plate is welded in a drainage well pipe firstly in the existing plugging, the drainage well pipe is sealed, and then concrete is poured above the steel plate.

However, due to the limitation of human arms, the steel plate can only be welded at the shallow part of the drain well pipe, so that the concrete layer above the steel plate is thin (generally 5-20cm), the welding quality is difficult to ensure, and the phenomena of water bleeding and water seepage often occur. Especially, when large-flow underground water is released, the quality risk of welding hole sealing is very huge, and high-grade skilled workers with abundant experience and high-power vacuum water absorption equipment are usually needed, so that great manpower and material resources are spent, and the success of one-time operation cannot be guaranteed.

SUMMERY OF THE UTILITY MODEL

The utility model aims to solve the problems in the prior art and provide an easy-to-seal water draining device.

The purpose of the utility model can be realized by the following technical scheme: the utility model provides an easily seal sluicing device, includes sluicing well casing and drain pipe, the drain pipe passes through interior sealing plate and sluicing well casing and connects, the outside perisporium of interior sealing plate and the inboard perisporium sealing connection of sluicing well casing, the drain pipe is used for making the water discharge that is located interior sealing plate below, be provided with the valve on the drain pipe, valve and drain pipe are located the top of interior sealing plate, the drain pipe includes first body and second body, first body and second body are connected respectively in the both ends of valve, the second body is connected with dismantling of valve.

The working principle of the utility model is as follows: when the drainage well pipe is used, a position (namely a preset position) is selected, the drainage well pipe is inserted, the valve is opened, during construction, a cushion layer is paved on the surface of a foundation pit around the drainage well pipe, and then a concrete layer is poured above the cushion layer to form a bottom plate. In a construction process, if groundwater surges upwards, the drain pipe can drain water. After the foundation pit bottom plate is poured and is finished to meet the design requirements, the sealing is needed, the valve is closed to cut off water flow, the second pipe body is disassembled, and then concrete is poured and tamped into the drainage well pipe. The utility model can connect an inner water stop plate in the drain well pipe in advance in a sealing way, can operate in a factory, does not need to connect the inner water stop plate in a sealing way when plugging, has better operation environment in the factory than a basement with a dark construction site, effectively ensures the construction quality, can produce in batches and save the cost, and prevents the phenomena of water leakage and water seepage of a concrete layer in the drain well pipe after the following pouring and tamping of dense concrete because the construction quality is ensured. Because the valve is adopted to cut off the water flow, when large-flow underground water is released, the underground water source can be cut off only by easily closing the valve, the efficiency and the success rate of cutting off the underground water source are greatly improved, and the underground water source cutting-off device is safe and reliable.

In the above easy-to-seal water draining device, the inner water stop plate is provided with a water through hole, and the water through hole is used for supplying water to flow into the water draining pipe.

In the above easy-to-seal water draining device, the valve is a ball valve.

In the above easy-to-seal water draining device, the inner water stop plate is welded to the water draining well pipe, and the water draining pipe is welded to the inner water stop plate.

In the above-mentioned water device easy to seal, the second pipe body and the valve are detachably connected through a thread.

In the above easy-to-seal water drain device, an annular outer water stop plate is provided on an outer side wall of the water drain well pipe.

In the above easy-to-seal water draining device, when the water draining well pipe is inserted into the preset part of the foundation pit, the positions of the valve and the inner water stop plate are both lower than the position of the cushion layer.

Compared with the prior art, the utility model can prevent the concrete layer in the water drain well pipe from water leakage and water seepage, and can simply and conveniently cut off water flow when plugging, and the efficiency and the success rate of cutting off the water flow are high.

Drawings

FIG. 1 is a schematic view of the structure of the present invention inserted into a foundation pit;

FIG. 2 is a schematic view of the construction of the utility model after plugging of a drainage pipe;

FIG. 3 is a schematic structural view of the present invention;

fig. 4 is a schematic structural view of the inner water stop plate of the present invention.

In the figure, 1, a drain pipe; 2. a drain pipe; 3. an inner water stop plate; 4. an outer water stop plate; 5. a valve; 6. a cushion layer; 7. a first pipe body; 8. water passing holes; 9. a base plate; 10. a second tube body; 11. a first preset position; 12. a second preset position.

Detailed Description

The following are specific embodiments of the present invention and are further described with reference to the drawings, but the present invention is not limited to these embodiments.

As shown in fig. 1 to 4, a first embodiment of the present invention provides an easy-sealing drain device, which includes a drain well pipe 1 and a drain pipe 2, wherein the drain pipe 2 is connected to the drain well pipe 1 through an inner water stop plate 3, an outer circumferential wall of the inner water stop plate 3 is hermetically connected to an inner circumferential wall of the drain well pipe 1, the drain pipe 2 is used for draining water located below the inner water stop plate 3, a valve 5 is provided on the drain pipe 2, the valve 5 and the drain pipe 2 are located above the inner water stop plate 3, the drain pipe 2 includes a first pipe body 7 and a second pipe body 10, the first pipe body 7 and the second pipe body 10 are respectively connected to two ends of the valve 5, and the second pipe body 10 is detachably connected to the valve 5.

In more detail, the inner water stop plate 3 is provided with a water through hole 8, and the water through hole 8 is used for supplying water to flow into the drain pipe 2.

One end of the first pipe body 7 is connected to the periphery of the water passing hole 8 on the inner water stop plate 3, so that the water passing hole 8 is communicated with the first pipe body 7, and water can flow into the drain pipe 2. The other end of the first pipe body 7 is connected with one end of the valve 5, and the other end of the valve 5 is detachably connected with the second pipe body 10.

In further detail, the valve 5 is a ball valve. The ball valve is provided with a handle, and the opening or closing of the valve 5 can be realized by rotating the handle, so that the ball valve is very convenient.

In more detail, the inner water stop plate 3 is welded to the water drainage well pipe 1, and the water drainage pipe 2 is welded to the inner water stop plate 3.

Can weld in advance in sluicing well pipe 1 interior stagnant water board 3, can carry out the operation in the mill during welding, need not be when the shutoff, interior stagnant water board 3 in the welding again, and the operation environment in the mill is better than the dim basement of building site, construction welding quality obtains effectively guaranteeing, can batch production and practice thrift the cost, because the welded quality obtains guaranteeing, so after the follow-up dense concrete of pouring and smashing, the concrete layer of stopping in the sluicing well pipe 1 appears the water bleeding, the infiltration phenomenon.

In more detail, the second pipe 10 is detachably connected with the valve 5 through threads. This arrangement facilitates removal of the second tubular body 10.

More specifically, an annular outer water stop plate 4 is provided on the outer side wall of the drain well pipe 1.

In more detail, when the drain well pipe 1 is inserted into a foundation pit, the positions of the valve 5 and the inner water stop plate 3 are lower than the position of the cushion layer 6.

After the foundation pit bottom plate 9 is poured, plugging is needed, the valve 5 is closed to cut off water flow, and then concrete is poured and tamped into the drainage well pipe 1. When the drain well pipe 1 is inserted into a foundation pit, the positions of the inner water stop plate 3 and the valve 5 in the drain well pipe 1 are lower than the position of the cushion layer 6. Because the positions of the inner water stop plate 3 and the valve 5 are lowered, a dry space with enough thickness is arranged above the inner water stop plate 3 and the valve 5 for pouring concrete, and finally, the thickness of the concrete layer in the water drainage well pipe 1 is larger than or equal to that of the concrete layer of the bottom plate 9, so that the integrity of the bottom plate 9 is greatly improved, weak parts do not exist, the strength and the impermeability grade of the device meet the design requirements, and the problems of water leakage, water seepage and water seepage of the concrete in the water drainage well pipe 1 are prevented.

The utility model can be used as a water drainage device pre-embedded in the structure bottom plate 9 in advance, plays a role of preventing the basement bottom plate 9 from floating upwards, and closes the water drainage well pipe 1 after the upper structure reaches the anti-floating condition. The device is suitable for places with large underground water quantity, large difficulty in sealing the water drainage well pipe 1 in the later period and easy hidden danger leaving. Particularly, the water drainage well pipe 1 is reserved on a bottom plate 9 of the basement, which is located in a silty soil layer, a sand layer and the like and has abundant underground water, so that the underground water overflow channel is realized, the bottom plate 9 of the basement is prevented from floating upwards under the action of the pressure of the underground water, and the stability of the upper structure is ensured; the device can also be used for auxiliary measures for pouring the bottom plate 9 near a bedrock fracture confined aquifer, and a groundwater collection system is formed by the blind ditch, the water collecting well and the device, so that groundwater can be collected and pumped out orderly and efficiently, and the quality of concrete pouring of the bottom plate 9 is ensured.

A method for manufacturing an easily-sealed water draining device comprises the following steps:

step S01: cutting the inner water stop plate 3, and cutting a water through hole 8 on the inner water stop plate 3;

a water through hole 8 is cut on the inner water stop plate 3, the water through hole 8 is circular, and the size of the water through hole 8 is suitable for welding the first pipe body 7 of the drain pipe 2.

Step S02: installing a valve 5 on the drain pipe 2, and then welding the drain pipe 2 on the inner water stop plate 3 to enable the water through hole 8 to be communicated with the drain pipe 2;

install valve 5 on drain pipe 2 earlier, valve 5 is the ball valve, and first body 7 is installed at the one end of valve 5, and second body 10 is installed at the other end of valve 5, then welds the one end of first body 7 on interior stagnant water board 3 for drain pipe 2 and water hole 8 intercommunication cross. The drain pipe 2 is a galvanized pipe.

Step S03: the inner water stop plate 3 welded with the drain pipe 2 is installed in the drain well pipe 1, and then the outer circumferential wall of the inner water stop plate 3 is welded at a first predetermined position 11 of the inner circumferential wall of the drain well pipe 1 from the bottom of the drain well pipe 1.

After the inner water stop plate 3 and the drain pipe 2 are welded, the inner water stop plate 3 is installed in the drain well pipe 1, and then the inner water stop plate is welded from the bottom of the drain well pipe 1, and the outer circumferential wall of the inner water stop plate 3 is welded to a first preset position 11 of the inner circumferential wall of the drain well pipe 1. The first preset position 11 and the valve 5 are both close to the bottom of the drain well pipe 1 and far away from the top of the drain well pipe 1. The drain pipe 2 is directed towards the top of the drain well pipe 1.

Because when using, with the bottom of sluicing well pipe 1 down insert the foundation ditch and predetermine the position, generally in prior art after sluicing well pipe 1 inserts the foundation ditch, then when needing the shutoff, weld a steel sheet again, nevertheless because the limitation of people's arm leads to this steel sheet to weld at the shallow portion of sluicing well pipe 1 only, leads to the concrete layer of steel sheet top to be thinner finally. In the present embodiment, the inner water stop plate 3 is welded in the drain well pipe 1 in advance, and the inner water stop plate is welded from the bottom of the drain well pipe 1, and due to the limitation of the human arm, the welded position, that is, the first preset position 11 is closer to the bottom of the drain well pipe 1 and farther from the top of the drain well pipe 1. The valve 5 is also positioned close to the bottom of the drain pipe 1. Therefore, when the bottom of the water drainage well pipe 1 is downwards inserted into a foundation pit, enough space can be reserved above the inner water stop plate 3 and the valve 5 for filling concrete. The concrete layer above the inner water stop plate 3 in the water drainage well pipe 1 is thicker, and the problems of water bleeding, water seepage and water seeping of the concrete in the water drainage well pipe 1 are prevented.

Step S04: an outer water stop plate 4 is welded to a second predetermined position 12 of the outer peripheral wall of the drain well pipe 1. The second preset position 12 is close to the top of the drain well pipe 1 and far from the bottom of the drain well pipe 1. The second predetermined position 12 is generally located at 1/2 of the thickness of the bottom panel 9.

When the valve 5 is opened, the underground water is flushed to the inner water stop plate 3, then flows into the drain pipe 2 from the water through hole 8, flows into the second pipe body 10 through the opened valve 5, and finally is discharged.

When needing the shutoff, when closing valve 5 earlier, rivers are cut off, then unscrew second body 10, fill the concrete in the sluicing well. Both ends of the valve 5 are respectively installed on the first pipe body 7 and the second pipe body 10 through threads. The valve 5 is convenient to install, and the second pipe body 10 is convenient to detach during plugging.

When the water drainage device is manufactured, the welding position (namely the first preset position 11) of the inner water stop plate 3 and the length of the water drainage well pipe 1 can be adjusted according to actual conditions, and the water drainage device is suitable for concrete bottom plates 9 with various thicknesses. The diameter of the water drainage well pipe 1 can be adjusted, and the device is suitable for precipitation wells with various calibers; the size of the drain pipe 2 and the model of the corresponding matched ball valve can be adjusted to adapt to the water yield of various underground waters.

The use method of the easy-sealing water draining device comprises the following steps:

step I: inserting the bottom of the water drainage well pipe 1 downwards into a preset part of a foundation pit, and enabling the positions of the inner water stop plate 3 and the valve 5 to be lower than the pre-laid position of the cushion layer 6;

and inserting the drainage well pipe 1 with the bottom downward and the top upward into the foundation pit, so that the positions of the inner water stop plate 3 and the valve 5 are lower than the pre-laid position of the cushion layer 6.

The pre-laid position of the mat 6 means that the mat 6 will be laid in that position subsequently. When the laying of the mat 6 is completed, the pre-laid position of the mat 6 is the position where the mat 6 is located.

Step II: opening the valve 5, closing the valve 5 after the foundation pit and the bottom plate 9 around the water drainage well pipe 1 are paved, and detaching the second pipe body 10;

after the valve 5 is opened, the groundwater gushes from the drain well pipe 1 to the inner water stop plate 3, then flows into the first pipe body 7 through the water through hole 8, flows into the second pipe body 10 through the opened valve 5, and finally is discharged. The water is discharged to a place outside the working surface.

And then, construction is carried out, wherein a cushion layer 6 is laid on the periphery of the foundation pit and the drain well pipe 1, after the cushion layer 6 is laid, a bottom plate 9 is laid on the periphery of the foundation pit and the drain well pipe 1 by using concrete, and finally the bottom plate 9 is laid. After the laying is finished and the design requirements are met, the drainage well pipe 1 needs to be plugged. The valve 5 is closed to cut off the water flow, and the second pipe 10 is rotated to be detached.

Step III: and pouring concrete above the inner water stop plate 3 in the drain well pipe 1 and tamping the concrete to ensure that the thickness of the concrete layer in the drain well pipe 1 is equal to or more than that of the bottom plate 9.

And pouring concrete into the drain well pipe 1 from the top of the drain well pipe 1, wherein the poured concrete is positioned above the inner water stop plate 3, and then pouring and tamping are carried out, so that the thickness of the concrete layer in the drain well pipe 1 is equal to or larger than that of the bottom plate 9. The integrity of the bottom plate 9 is greatly improved, no weak part exists, the strength and the impermeability grade of the bottom plate meet the design requirements, and the problems of water bleeding, water seepage and water seepage of concrete in the water drainage well pipe 1 are solved.

The specific embodiments described herein are merely illustrative of the spirit of the utility model. Various modifications or additions may be made to the described embodiments or alternatives may be employed by those skilled in the art without departing from the spirit or ambit of the utility model as defined in the appended claims.

Although a large number of terms are used here more, the possibility of using other terms is not excluded. These terms are used merely to more conveniently describe and explain the nature of the present invention; they are to be construed as being without limitation to any additional limitations that may be imposed by the spirit of the present invention.

Claims (7)

1. The utility model provides an easily seal sluicing device, its characterized in that, includes sluicing well casing (1) and drain pipe (2), drain pipe (2) are connected through interior stagnant water board (3) and sluicing well casing (1), the outside perisporium of interior stagnant water board (3) and the inboard perisporium sealing connection of sluicing well casing (1), drain pipe (2) are used for making the water that is located interior stagnant water board (3) below discharge, be provided with valve (5) on drain pipe (2), valve (5) and drain pipe (2) are located the top of interior stagnant water board (3), drain pipe (2) include first body (7) and second body (10), first body (7) and second body (10) are connected respectively in the both ends of valve (5), second body (10) are connected with dismantling of valve (5).

2. An easily sealed water draining device according to claim 1, wherein the inner water stopping plate (3) is provided with water through holes (8), and the water through holes (8) are used for supplying water to the water draining pipe (2).

3. An easily sealable drain device according to claim 1, wherein said valve (5) is a ball valve.

4. An easily sealed drain device according to claim 1, wherein the inner water stop plate (3) is welded to the drain pipe (1), and the drain pipe (2) is welded to the inner water stop plate (3).

5. An easily sealable drain device according to claim 1, wherein said second body (10) is threadably releasably connectable to said valve (5).

6. An easily sealed water drain device according to claim 1, wherein an annular outer water stop plate (4) is arranged on the outer side wall of the water drain well pipe (1).

7. An easily sealed water drain device according to claim 1, wherein when the water drain well pipe (1) is inserted into a preset position of a foundation pit, the valve (5) and the inner water stop plate (3) are both lower than the cushion layer (6).

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