CN216739711U - Plugging device of precipitation well - Google Patents

Abstract

The utility model discloses a plugging device of a precipitation well, which is used for plugging the precipitation well with a steel inner wall and comprises: the water-stopping steel ring is arranged in the precipitation well, and the peripheral side of the water-stopping steel ring is hermetically connected with the inner wall of the precipitation well; the water stop steel plate is arranged at the top of the water stop steel ring; the water stop gasket is arranged between the water stop steel ring and the water stop steel plate; the water-swelling rubber ring is sleeved on the water-stopping steel plate; the cement layer is arranged on the top of the water stop steel plate and completely covers the water stop steel plate and the water-swelling rubber ring; the first waterproof coating is arranged on the top of the cement layer; the sealing steel plate is arranged at the top of the first waterproof coating, and the peripheral side of the sealing steel plate is connected with the inner wall of the dewatering well in a sealing manner; the second waterproof coating is arranged on the top of the sealing steel plate; and the concrete layer is arranged on the top of the second waterproof coating. Above-mentioned plugging device of precipitation well has comparatively ideal shutoff effect, is favorable to avoiding producing subsequent processing work.

Description

Plugging device of precipitation well

Technical Field

The utility model relates to the technical field of constructional engineering, in particular to a plugging device for a dewatering well.

Background

In the construction process of the building engineering, a dewatering well is usually adopted to reduce the underground water level or drain the underground water so as to avoid the influence of the underground water on the construction process, and after the construction is finished, the dewatering well needs to be plugged. The commonly used plugging method in the prior art is as follows: the water pump is used for pumping underground water in the precipitation well, and concrete is poured into the precipitation well for plugging after the water level of the underground water in the precipitation well reaches the bottom of the well. Although the plugging method is easy to implement, the plugging effect is not ideal, and the problem of groundwater leakage may occur at the later stage, so that the subsequent treatment work is generated.

SUMMERY OF THE UTILITY MODEL

The present invention is directed to solving at least one of the problems of the prior art. Therefore, the plugging device for the dewatering well has an ideal plugging effect, and is beneficial to avoiding subsequent treatment work.

The plugging device of the precipitation well, which is used for plugging the precipitation well with the steel inner wall, comprises the following components: the water stopping steel ring is arranged in the precipitation well, and the peripheral side of the water stopping steel ring is hermetically connected with the inner wall of the precipitation well; the water stop steel plate is arranged at the top of the water stop steel ring; the water stop gasket is arranged between the water stop steel ring and the water stop steel plate; the water-swelling rubber ring is sleeved on the water-stopping steel plate and clamped between the water-stopping steel plate and the inner wall of the dewatering well; the cement layer is arranged on the top of the water stop steel plate and completely covers the water stop steel plate and the water-swelling rubber ring; a first waterproof coating disposed on top of the cement layer; the sealing steel plate is arranged on the top of the first waterproof coating, and the periphery of the sealing steel plate is connected with the inner wall of the dewatering well in a sealing manner; the second waterproof coating is arranged on the top of the sealing steel plate; and the concrete layer is arranged on the top of the second waterproof coating.

The plugging device of the dewatering well provided by the embodiment of the utility model at least has the following beneficial effects: when the dewatering well is plugged, the water stop steel ring, the water stop gasket and the water stop steel plate form a primary plugging layer for primary plugging, the water-swelling rubber ring, the cement layer and the first waterproof coating form a leakage-proof secondary plugging layer, the sealing steel plate, the second waterproof coating and the concrete layer form a final three-stage plugging layer, wherein the sealing steel plate can extrude the cement layer and the water-swelling rubber ring which are positioned at the bottom of the sealing steel plate, when the water-swelling rubber ring swells due to contact with leaked underground water, the cracking of the cement layer due to the extrusion of the water-swelling rubber ring is favorably prevented, the concrete layer not only has the function of leakage prevention, meanwhile, pressure can be provided for the structure below the concrete layer, and leakage of the structure below the concrete layer due to deformation is prevented. The plugging device of the dewatering well has an ideal plugging effect, and is beneficial to avoiding subsequent treatment.

According to some embodiments of the utility model, the top of the water stop steel ring is provided with a threaded connector, the water stop steel plate is provided with an installation through hole matched with the threaded connector, the water stop gasket is provided with an avoidance through hole corresponding to the threaded connector, the threaded connector sequentially penetrates through the avoidance through hole and the installation through hole and extends upwards, and the part of the threaded connector extending upwards is connected with a fastening nut.

According to some embodiments of the utility model, the thickness of the water-swellable rubber ring is the same as the thickness of the water-stop steel plate.

According to some embodiments of the utility model, the second waterproof coating extends to an area where an inner wall of the precipitation well is higher than the sealing steel plate.

Additional aspects and advantages of the utility model will be set forth in part in the description which follows and, in part, will be obvious from the description, or may be learned by practice of the utility model.

Drawings

The above and/or additional aspects and advantages of the present invention will become apparent and readily appreciated from the following description of the embodiments, taken in conjunction with the accompanying drawings of which:

FIG. 1 is a schematic structural diagram of an embodiment of the present invention;

fig. 2 is a partially enlarged schematic view of a portion a of fig. 1.

Reference numerals:

the water-stopping and water-reducing well comprises a dewatering well a, a water-stopping steel ring 100, a threaded connector 110, a fastening nut 120, a water-stopping steel plate 200, a water-stopping gasket 300, a water-swelling rubber ring 400, a cement layer 500, a first waterproof coating 600, a sealing steel plate 700, a second waterproof coating 800 and a concrete layer 900.

Detailed Description

Reference will now be made in detail to embodiments of the present invention, examples of which are illustrated in the accompanying drawings, wherein like or similar reference numerals refer to the same or similar elements or elements having the same or similar function throughout. The embodiments described below with reference to the accompanying drawings are illustrative only for the purpose of explaining the present invention and are not to be construed as limiting the present invention.

In the description of the present invention, it should be understood that if an orientation description is referred to, for example, the directions or positional relationships indicated by upper, lower, front, rear, left, right, etc., are based on the directions or positional relationships shown in the drawings, it is only for convenience of description and simplification of description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed and operated in a specific orientation, and thus, should not be construed as limiting the present invention.

In the description of the present invention, if several, more than, less than, more than, above, below, or within words appear, several means are one or more, several means are two or more, more than, less than, more than, etc. are understood as not including the number, and more than, less than, within, etc. are understood as including the number.

In the description of the present invention, if the first, second, etc. terms appear, they are only used for distinguishing technical features, but are not to be interpreted as indicating or implying relative importance or implying number of indicated technical features or implying precedence of indicated technical features.

In the description of the present invention, unless otherwise specifically limited, terms such as set, installation, connection and the like should be understood in a broad sense, and those skilled in the art can reasonably determine the specific meanings of the above terms in the present invention by combining the specific contents of the technical solutions.

Referring to fig. 1 and 2, the plugging device for a precipitation well according to an embodiment of the present invention is used for plugging a precipitation well a having a steel inner wall, and includes a water-stopping steel ring 100, a water-stopping steel plate 200, a water-stopping gasket 300, a water-swellable rubber ring 400, a cement layer 500, a first waterproof coating 600, a sealing steel plate 700, a second waterproof coating 800, and a concrete layer 900.

The water stop steel ring 100 is arranged in the dewatering well a, the peripheral side of the water stop steel ring 100 is connected with the inner wall of the dewatering well a in a sealing manner, the water stop steel plate 200 is arranged at the top of the water stop steel ring 100, the water stop gasket 300 is arranged between the water stop steel ring 100 and the water stop steel plate 200, the water swelling rubber ring 400 is sleeved on the water stop steel plate 200 and is clamped between the water stop steel plate 200 and the inner wall of the dewatering well a, the cement layer 500 is arranged at the top of the water stop steel plate 200 and completely covers the water stop steel plate 200 and the water swelling rubber ring 400, the first waterproof coating 600 is arranged at the top of the cement layer 500, the sealing steel plate 700 is arranged at the top of the first waterproof coating 600, the peripheral side of the sealing steel plate 700 is connected with the inner wall of the dewatering well in a sealing manner, specifically, the peripheral side of the sealing steel plate 700 is connected with the inner wall of the dewatering well in a full-welding manner, the second waterproof coating 800 is arranged at the top of the sealing steel plate 700, and the concrete layer 900 is arranged at the top of the second waterproof coating 800.

When plugging dewatering well a, stagnant water steel ring 100, stagnant water gasket 300 and stagnant water steel sheet 200 form the one-level shutoff layer of preliminary shutoff, meet water inflation rubber circle 400, cement layer 500 and first waterproof coating 600 form the second grade shutoff layer of antiseep, sealed steel sheet 700, second waterproof coating 800 and concrete layer 900 form last tertiary shutoff layer, wherein, sealed steel sheet 700 can form the extrusion to cement layer 500 and meet water inflation rubber circle 400 that are located its bottom, when meeting water inflation rubber circle 400 takes place the inflation because of the groundwater of contact seepage, be favorable to preventing that cement layer 500 from taking place the fracture because of receiving the extrusion of meeting water inflation rubber circle 400, concrete layer 900 not only has the effect of antiseep, can provide pressure for the structure of its below simultaneously, be favorable to preventing that the structure of concrete layer 900 below from appearing the seepage because of taking place to warp. The plugging device of the dewatering well a has an ideal plugging effect, and is beneficial to avoiding subsequent treatment.

Referring to fig. 1 and 2, in some embodiments, a threaded connector 110 is disposed at the top of the water-stopping steel ring 100, a mounting through hole (not shown) adapted to the threaded connector 110 is disposed on the water-stopping steel plate 200, an avoiding through hole (not shown) is disposed on the water-stopping gasket 300 corresponding to the threaded connector 110, the threaded connector 110 sequentially passes through the avoiding through hole and the mounting through hole and extends upward, and a fastening nut 120 is connected to a portion of the threaded connector 110 extending upward. Connect through threaded connection spare 110 and fastening nut 120 between stagnant water steel sheet 200 and stagnant water steel ring 100, can provide sufficient extrusion force for stagnant water gasket 300, be favorable to improving the shutoff effect, simultaneously, threaded connection spare 110 can fix a position stagnant water steel sheet 200, can prevent that stagnant water steel sheet 200 week side's partial region butt is on precipitation well a's inner wall, be favorable to the cover to establish water-swelling rubber circle 400 on stagnant water steel sheet 200, and be mechanical connection between stagnant water steel sheet 200 and the stagnant water steel ring 100, be convenient for installation and dismantlement, when the shutoff effect on the one-level shutoff layer of preliminary shutoff is unsatisfactory, can dismantle stagnant water steel sheet 200 and get off and reinstall.

Referring to fig. 1 and 2, in some embodiments, the thickness of the water-swellable rubber ring 400 is the same as that of the water-stopping steel plate 200, which is beneficial to improving the anti-leakage effect.

Referring to fig. 1 and 2, in some embodiments, the second waterproof coating 800 extends to an area where the inner wall of the precipitation well a is higher than the sealing steel plate 700, which is advantageous for improving the anti-leakage effect.

It should be noted that, in some embodiments, the water stop gasket 300 is a rubber water stop gasket.

It is noted that in some of the embodiments, the first waterproof coating 600 is formed by coating a polymer cement-based waterproof coating.

It should be noted that, in some embodiments, the second waterproof coating 800 is formed by coating asphalt waterproof paint.

It should be noted that, in some embodiments, the cement layer 500 is formed by pouring cement-water-glass double-liquid slurry, and the curing speed is fast and the waterproof effect is good.

It is noted that in some of these embodiments, the concrete layer 900 is poured from impervious concrete or micro-expansive concrete.

In the description of the present specification, if reference is made to the description of "one embodiment", "some embodiments", "exemplary embodiments", "examples", "specific examples", and "some examples", etc., reference is made to the terminology, it is intended that a particular feature, structure, material, or characteristic described in connection with the embodiment or example be included in at least one embodiment or example of the present invention. In this specification, the schematic representations of the terms used above do not necessarily refer to the same embodiment or example. Furthermore, the particular features, structures, materials, or characteristics described may be combined in any suitable manner in any one or more embodiments or examples.

While embodiments of the utility model have been shown and described, it will be understood by those of ordinary skill in the art that: various changes, modifications, substitutions and alterations can be made to the embodiments without departing from the principles and spirit of the utility model, the scope of which is defined by the claims and their equivalents.

Claims (4)

1. The utility model provides a plugging device of precipitation well for the shutoff has the precipitation well of steel inner wall, its characterized in that includes:

the water stopping steel ring (100) is arranged in the precipitation well, and the peripheral side of the water stopping steel ring (100) is hermetically connected with the inner wall of the precipitation well;

the water stop steel plate (200) is arranged at the top of the water stop steel ring (100);

the water-stopping gasket (300) is arranged between the water-stopping steel ring (100) and the water-stopping steel plate (200);

the water-swelling rubber ring (400) is sleeved on the water-stopping steel plate (200) and clamped between the water-stopping steel plate (200) and the inner wall of the dewatering well;

the cement layer (500) is arranged on the top of the water stop steel plate (200) and completely covers the water stop steel plate (200) and the water-swelling rubber ring (400);

a first waterproof coating (600), the first waterproof coating (600) being disposed on top of the cement layer (500);

the sealing steel plate (700) is arranged at the top of the first waterproof coating (600), and the peripheral side of the sealing steel plate (700) is connected with the inner wall of the dewatering well in a sealing manner;

a second waterproof coating (800), the second waterproof coating (800) being disposed on top of the sealing steel plate (700);

a concrete layer (900), the concrete layer (900) being disposed on top of the second waterproof coating (800).

2. The plugging device of a dewatering well according to claim 1, wherein a threaded connector (110) is arranged at the top of the water stopping steel ring (100), a mounting through hole matched with the threaded connector (110) is arranged on the water stopping steel plate (200), an avoiding through hole is arranged on the water stopping gasket (300) corresponding to the threaded connector (110), the threaded connector (110) sequentially passes through the avoiding through hole and the mounting through hole and extends upwards, and a fastening nut (120) is connected to the part of the threaded connector (110) extending upwards.

3. Plugging device for dewatering wells according to claim 1, characterized in that the thickness of the water-swellable rubber ring (400) is the same as the thickness of the water-stopping steel plate (200).

4. The plugging device for dewatering well according to claim 1, wherein the second waterproof coating (800) extends to an area where the inner wall of the dewatering well is higher than the sealing steel plate (700).

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