CN115419096B - Dewatering well bottom plate and dewatering well plugging method - Google Patents
Dewatering well bottom plate and dewatering well plugging method Download PDFInfo
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- CN115419096B CN115419096B CN202211205262.2A CN202211205262A CN115419096B CN 115419096 B CN115419096 B CN 115419096B CN 202211205262 A CN202211205262 A CN 202211205262A CN 115419096 B CN115419096 B CN 115419096B
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- 238000000034 method Methods 0.000 title claims abstract description 10
- 238000007789 sealing Methods 0.000 claims abstract description 135
- 230000000670 limiting effect Effects 0.000 claims abstract description 83
- 229910000831 Steel Inorganic materials 0.000 claims abstract description 30
- 239000010959 steel Substances 0.000 claims abstract description 30
- 230000000694 effects Effects 0.000 claims abstract description 6
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 46
- 239000004576 sand Substances 0.000 claims description 18
- 239000000084 colloidal system Substances 0.000 claims description 16
- 239000011347 resin Substances 0.000 claims description 13
- 229920005989 resin Polymers 0.000 claims description 13
- 230000002829 reductive effect Effects 0.000 claims description 10
- 239000002245 particle Substances 0.000 claims description 7
- 238000001556 precipitation Methods 0.000 claims description 7
- 239000004568 cement Substances 0.000 claims description 6
- 238000010521 absorption reaction Methods 0.000 claims description 5
- 239000000701 coagulant Substances 0.000 claims description 5
- 230000002401 inhibitory effect Effects 0.000 claims description 3
- 238000004378 air conditioning Methods 0.000 claims description 2
- 238000009434 installation Methods 0.000 abstract description 6
- 230000009286 beneficial effect Effects 0.000 abstract description 2
- 238000003780 insertion Methods 0.000 abstract 1
- 230000037431 insertion Effects 0.000 abstract 1
- 239000002250 absorbent Substances 0.000 description 9
- 238000010276 construction Methods 0.000 description 8
- 230000001105 regulatory effect Effects 0.000 description 8
- 239000003795 chemical substances by application Substances 0.000 description 3
- 239000003673 groundwater Substances 0.000 description 3
- 230000035699 permeability Effects 0.000 description 3
- 230000009471 action Effects 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000005260 corrosion Methods 0.000 description 2
- 230000007797 corrosion Effects 0.000 description 2
- 238000006073 displacement reaction Methods 0.000 description 2
- 239000012535 impurity Substances 0.000 description 2
- 239000013049 sediment Substances 0.000 description 2
- 239000002689 soil Substances 0.000 description 2
- 238000010257 thawing Methods 0.000 description 2
- 239000011358 absorbing material Substances 0.000 description 1
- 210000005056 cell body Anatomy 0.000 description 1
- 238000004891 communication Methods 0.000 description 1
- 230000001276 controlling effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000036961 partial effect Effects 0.000 description 1
- 230000001681 protective effect Effects 0.000 description 1
Classifications
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
- E02D19/10—Restraining of underground water by lowering level of ground water
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D19/00—Keeping dry foundation sites or other areas in the ground
- E02D19/06—Restraining of underground water
- E02D19/12—Restraining of underground water by damming or interrupting the passage of underground water
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02A—TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
- Y02A30/00—Adapting or protecting infrastructure or their operation
- Y02A30/60—Planning or developing urban green infrastructure
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Hydrology & Water Resources (AREA)
- Environmental & Geological Engineering (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Mining & Mineral Resources (AREA)
- Paleontology (AREA)
- Civil Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Structural Engineering (AREA)
- Buildings Adapted To Withstand Abnormal External Influences (AREA)
Abstract
The application relates to the technical field of dewatering well plugging, in particular to a dewatering well bottom plate and a dewatering well plugging method, wherein the dewatering well bottom plate comprises the following components: the waterproof sealing device comprises a bottom plate body, a waterproof steel sleeve, a waterproof sealing ring, a waterproof connecting column, a connecting limiting plate, a connecting limiting groove, an adjusting button and a sealing piece; the beneficial effects are as follows: the connection limiting plate is supported through the supporting spring and is matched with the connection limiting groove, so that the bottom plate body and the waterproof steel sleeve are limited and fixed, the anti-falling spring supports the waterproof sealing ring and the waterproof connecting column, the waterproof sealing ring and the waterproof connecting column are limited and fixed through the connection limiting plate, at the moment, the connection position of the waterproof sealing ring and the waterproof connecting column is sealed and limited through the cooperation of the protection groove of the protection plate, the first sealing strip and the second sealing strip, and the installation bottom plate body and the waterproof steel sleeve can be installed through simple insertion, so that the installation efficiency of the waterproof steel sleeve is improved, and the sealing effect is better.
Description
Technical Field
The application relates to the technical field of dewatering well plugging, in particular to a dewatering well bottom plate and a dewatering well plugging method.
Background
The dewatering well is a well for dewatering, and pumps groundwater through a water pump to reduce the water level of the groundwater; in the construction of underground structures, it is a common precipitation facility, such as: in order to ensure dry construction, the water level in the construction range is generally reduced by adopting a dewatering well, so that normal construction beyond the dewatering well range can be ensured, and the dewatering well needs to be plugged after the construction is completed.
In construction, the situation that the plugging concrete cannot be carried with water when pouring is performed, the last plugging concrete pouring can be performed under the condition of completely controlling ponding, the vibration quality is enhanced when pouring is performed, internal holes are avoided, but under the action of an underground water head and a sand-flowing phenomenon, the sand-flowing phenomenon refers to the phenomenon that when a foundation pit is dug to below an underground water level and soil is fine sand or silt, when a water collecting pit is adopted for dewatering, the soil under the pit can form a flowing state under the action of a certain flowing water pressure and flows into the pit along with the underground water, and the phenomenon is called the sand-flowing phenomenon; and then cause the filling to ooze water easily after filling out, follow-up pouring shutoff concrete is very difficult, and when meetting rainy season or when next door to the water source, groundwater water permeability is stronger for the quicksand phenomenon is more serious, and the subsoil is more loose, further causes the shutoff more difficult, and bottom plate and waterproof steel sleeve pass through bolted connection, and sealing performance is not good, and the installation is loaded down with trivial details.
Disclosure of Invention
The application aims to provide a dewatering well bottom plate and a dewatering well plugging method, which are used for solving the problem of overhigh temperature in a data processing center.
In order to achieve the above purpose, the present application provides the following technical solutions:
a precipitation bottom hole board, the precipitation bottom hole board comprising:
the surface of the bottom plate body is provided with a through hole;
a waterproof steel sleeve, the surface of which is provided with a flange plate and is arranged inside the through hole of the bottom plate body,
the waterproof sealing ring is fixed inside the through hole of the bottom plate body, and the inner wall of the waterproof sealing ring is provided with an anti-impact inclined plane;
the waterproof connecting column is arranged on the surface of the flange plate of the waterproof steel sleeve;
the connecting limiting plate is arranged inside the waterproof sealing ring;
the second connecting limiting groove is formed in the waterproof connecting column;
the adjusting button is arranged on the surface of the bottom plate body; a kind of electronic device with high-pressure air-conditioning system
The sealing piece is arranged between the waterproof sealing ring and the waterproof connecting column and is used for sealing and limiting the waterproof sealing ring and the waterproof connecting column.
Preferably, the waterproof connecting column is close to the waterproof sealing ring one side surface and has been seted up and connect the spacing groove, and waterproof sealing ring is close to waterproof connecting column one side surface and has been seted up the movable groove, connects the limiting plate setting at the movable inslot portion, and the transversal L-shaped structure of personally submitting, connects the spacing groove and sets up inside connecting the spacing groove, and the second connects the spacing groove and connects the cell body transversal L-shaped structure that the spacing groove constitutes.
Preferably, the width of the connecting limiting groove is equal to that of the movable groove and is larger than the thickness of the connecting limiting plate, the cross section of the second connecting limiting groove is in a -shaped structure, and the second connecting limiting groove is matched with the connecting limiting plate.
Preferably, the surface of the movable groove is provided with a connection jacking groove, a connection jacking spring is arranged in the connection jacking groove, the cross section of the connection jacking groove is in a -shaped structure, one end of the connection jacking spring is connected with the innermost surface of the connection jacking groove, and the other end of the connection jacking spring is connected with one end of the connection limiting plate.
Preferably, the anti-drop groove is formed in one side surface of the connection limiting groove and one side surface of the movable groove, the anti-drop groove is of an annular structure, an anti-drop spring is arranged in the anti-drop groove, one end of the anti-drop spring is connected with the waterproof sealing ring, and when the waterproof connecting column is connected with the waterproof sealing ring, the anti-drop spring is in a compressed state.
Preferably, the sealing member includes the guard groove, with guard groove complex guard plate, the seal groove, first sealing strip and second sealing strip, the guard groove is offered on waterproof spliced pole surface, the guard plate is fixed on waterproof sealing ring surface, and guard groove and guard plate all are annular structure, and guard groove and guard plate all are provided with two sets of, connect limiting plate, the movable groove, connect the limiting groove, anticreep spring and anticreep groove all set up between two sets of guard grooves and guard plate, the seal groove is offered on guard groove both sides surface, first sealing strip is fixed on the seal groove surface, seal groove and first sealing strip are provided with the multiunit, and a set of guard plate and two sets of first sealing strip cooperation are sealed waterproof sealing ring and waterproof spliced pole, and guard plate outside and inboard surface all are provided with the second sealing strip, the second sealing strip is linear distribution.
Preferably, the second sealing strip is arranged at one end of the protection plate, which is far away from the waterproof sealing ring, and the first sealing strip is arranged at one end of the protection groove, which is close to the waterproof sealing ring.
Preferably, the regulating groove is formed in the surface of the bottom plate body, the cross section of the regulating groove is in a -shaped structure, a regulating spring is arranged in the regulating groove, one end of the regulating spring is connected with the regulating button, traction fixing grooves are formed in the surfaces of two sides of the regulating groove, a traction rope is arranged in the traction fixing grooves, one end of the traction rope is connected with the regulating button, and the other end of the traction rope penetrates through the bottom plate body and the waterproof sealing ring and is connected with the connecting limiting plate.
A plugging method of a dewatering well bottom plate comprises the following steps:
s1: before plugging, firstly increasing the dewatering force of the periphery of the well to ensure that the water level in the well pipe to be plugged is reduced to the lowest level, and sucking the water of the periphery of the dewatering well by adopting a water suction pump;
s2: adding a coagulant into the dewatering well to enable water in the dewatering well to be changed into colloid, settling sand particles and broken stones in the dewatering well, reducing the sand flow phenomenon, adding dry cement on the sand particles and broken stones to form a water absorption layer, and further inhibiting the sand flow phenomenon, wherein the coagulant is water absorption resin;
s3: connecting the bottom plate body and the waterproof steel sleeve, fixing the bottom plate body above the center of the dewatering well, driving the traction rope to move inside the traction fixing groove by the adjusting button through pressing down the adjusting button, tightening the traction rope, moving the connection limiting plate towards the jacking spring through the traction rope, then enabling the waterproof sealing ring and the waterproof connecting column to move the waterproof steel sleeve, enabling the connection limiting plate to enter the connection limiting groove until the waterproof connecting column is completely attached to the waterproof sealing ring, loosening the adjusting button, enabling the jacking spring to prop up the connection limiting plate and be matched with the connection limiting groove, limiting and fixing the bottom plate body and the waterproof steel sleeve, enabling the anti-loosening spring to prop up the waterproof sealing ring and the waterproof connecting column, limiting and fixing the waterproof sealing ring and the waterproof connecting column through the connection limiting plate, and sealing and limiting the connection part of the waterproof sealing ring and the waterproof connecting column by matching the inside of the protection plate plug-in protection groove with the first sealing strip and the second sealing strip;
s4: and finally, pouring resin concrete at the dewatering well to achieve higher waterproof effect.
Compared with the prior art, the application has the beneficial effects that:
according to the waterproof steel sleeve, the adjusting button is pressed downwards, the adjusting button drives the traction rope to move in the traction fixing groove, the traction rope is tightened, the connection limiting plate moves towards the jacking spring through the traction rope, then the waterproof sealing ring and the waterproof connecting column are moved, the waterproof steel sleeve is moved, the connection limiting plate enters the connection limiting groove until the waterproof connecting column is completely attached to the waterproof sealing ring, the adjusting button is loosened, the jacking spring jacks the connection limiting plate to be matched with the connection limiting groove, so that the bottom plate body and the waterproof steel sleeve are limited and fixed, the waterproof sealing ring and the waterproof connecting column are supported by the anti-falling spring, the waterproof sealing ring and the waterproof connecting column are limited and fixed through the connection limiting plate, at the moment, the connection position of the waterproof sealing ring and the waterproof connecting column is sealed and limited through the cooperation of the interior of the protection plate plug-in protection groove and the first sealing strip and the second sealing strip, the installation of the bottom plate body and the waterproof steel sleeve can be completed through simple plug-in connection, the operation is simple, the installation efficiency of the waterproof steel sleeve is improved, and the sealing effect is better.
By adding the concrete agent into the dewatering well, water in the dewatering well can be changed into colloid, sand particles and gravels in the water can be settled, the phenomenon of water pressure and sand flowing along with water flow is prevented from being surging, water permeability can be reduced when the colloid is adsorbed on the inner wall of the dewatering well, effective construction is ensured, sediment and gravels which can be adsorbed by the colloid can form a scattering structure similar to branches, part of water-absorbent resin is contained in the water-absorbent resin, displacement is reduced or prevented, the sand flowing phenomenon is further inhibited, meanwhile, water seepage from the bottom of the dewatering well is also reduced, then the added high-dry cement is equivalent to the formation of a water-absorbent layer, water can be continuously absorbed, the colloid is dehydrated, the colloid has higher viscosity and poorer fluidity, the structure formed by the colloid and the water-absorbent layer is more stable, namely impurities are adsorbed by the colloid, the structures formed by the two are mutually crosslinked to form a more stable structure, and water is expanded and blocked; the concrete can further inhibit the gravel flowing phenomenon, and the resin concrete is poured, so that the concrete has the properties of quick hardening, high strength, obvious improvement of impermeability, corrosion resistance, wear resistance, freeze thawing resistance, bonding and the like, and can effectively prevent the water in the dewatering well from causing excessive jacking force to the bottom plate body.
Drawings
FIG. 1 is a schematic perspective view of the present application;
FIG. 2 is a schematic view of a partially cut-away perspective structure of the present application;
FIG. 3 is a schematic view of a partially cut-away perspective structure of a waterproof seal ring and waterproof connecting column;
fig. 4 is a schematic view of a partial perspective structure of the waterproof connecting column;
fig. 5 is a partially cut-away perspective view of the adjustment button.
In the figure: the waterproof sealing ring comprises a bottom plate body 1, a waterproof sealing ring 2, an adjusting button 3, a waterproof connecting column 4, a waterproof steel sleeve 5, a connecting limiting plate 6, a connecting limiting groove 7, a connecting supporting groove 8, a connecting supporting spring 9, a movable groove 10, an anti-falling spring 11, an anti-falling groove 12, a protection groove 13, a protection plate 14, a sealing groove 15, a first sealing strip 16, a guiding limiting sliding block 17, a guiding limiting sliding groove 18, a second sealing strip 19, a second connecting limiting groove 20, a traction rope 21, an anti-impact inclined plane 22, an adjusting groove 23, an adjusting spring 24 and a traction fixing groove 25.
Detailed Description
In order to make the objects, technical solutions, and advantages of the present application more apparent, the embodiments of the present application will be further described in detail with reference to the accompanying drawings. It should be understood that the specific embodiments described herein are some, but not all, embodiments of the present application, are intended to be illustrative only and not limiting of the embodiments of the present application, and that all other embodiments obtained by persons of ordinary skill in the art without making any inventive effort are within the scope of the present application.
In the description of the present application, it should be noted that the terms "center," "middle," "upper," "lower," "left," "right," "inner," "outer," "top," "bottom," "side," "vertical," "horizontal," and the like indicate orientations or positional relationships based on the orientation or positional relationships shown in the drawings, merely to facilitate description of the present application and simplify the description, and do not indicate or imply that the devices or elements referred to must have a specific orientation, be configured and operated in a specific orientation, and thus should not be construed as limiting the present application. Furthermore, the terms "a," an, "" the first, "" the second, "" the third, "" the fourth, "" the fifth, "and the sixth" are used for descriptive purposes only and are not to be construed as indicating or implying relative importance.
In the description of the present application, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium, and can be communication between two elements. The specific meaning of the above terms in the present application will be understood in specific cases by those of ordinary skill in the art.
For purposes of brevity and description, the principles of the embodiments are described primarily by reference to examples. In the following description, numerous specific details are set forth in order to provide a thorough understanding of the embodiments. It will be apparent, however, to one of ordinary skill in the art that the embodiments may be practiced without limitation to these specific details. In some instances, well-known methods and structures have not been described in detail so as not to unnecessarily obscure the embodiments. In addition, all embodiments may be used in combination with each other.
Referring to fig. 1 to 5, the present application provides a technical solution:
a precipitation bottomhole plate, comprising: the surface of the bottom plate body 1 is provided with a through hole; the waterproof steel sleeve 5 is provided with a flange on the surface and is arranged in the through hole of the bottom plate body 1, the waterproof sealing ring 2 is fixed in the through hole of the bottom plate body 1, and the inner wall is provided with an anti-impact inclined plane 22; the waterproof connecting column 4 is arranged on the surface of the flange plate of the waterproof steel sleeve 5; the connecting limiting plate 6 is arranged inside the waterproof sealing ring 2; the second connection limiting groove 20 is formed in the waterproof connecting column 4; the adjusting button 3 is arranged on the surface of the bottom plate body 1; and the sealing piece is arranged between the waterproof sealing ring 2 and the waterproof connecting column 4 and is used for sealing and limiting the waterproof sealing ring 2 and the waterproof connecting column 4.
The application can be further arranged that a connecting limit groove 7 is formed on the surface of one side of the waterproof connecting column 4, which is close to the waterproof sealing ring 2, a movable groove 10 is formed on the surface of one side of the waterproof sealing ring 2, which is close to the waterproof connecting column 4, the connecting limit plate 6 is arranged in the movable groove 10, the cross section of the connecting limit plate is in an L-shaped structure, a second connecting limit groove 20 is formed in the connecting limit groove 7, and the cross section of a groove body formed by the second connecting limit groove 20 and the connecting limit groove 7 is in an L-shaped structure.
The application can be further arranged that the width of the connecting limit groove 7 is equal to that of the movable groove 10 and is larger than the thickness of the connecting limit plate 6, the cross section of the second connecting limit groove 20 is in a -shaped structure, and the second connecting limit groove 20 is matched with the connecting limit plate 6; the surface of the movable groove 10 is provided with a connecting jacking groove 8, a connecting jacking spring 9 is arranged in the connecting jacking groove 8, the cross section of the connecting jacking groove 8 is in a -shaped structure, one end of the connecting jacking spring 9 is connected with the innermost surface of the connecting jacking groove 8, and the other end of the connecting jacking spring is connected with one end of the connecting limiting plate 6.
The application can be further provided that the surface of one side of the connecting limit groove 7 and the movable groove 10 is provided with the anti-falling groove 12, the anti-falling groove 12 is in an annular structure, the anti-falling spring 11 is arranged in the anti-falling groove 12, one end of the anti-falling spring 11 is connected with the waterproof sealing ring 2, and when the waterproof connecting column 4 is connected with the waterproof sealing ring 2, the anti-falling spring 11 is in a compressed state; the guiding limit sliding groove 18 is formed in the middle of the innermost surface of the movable groove 10, the guiding limit sliding block 17 is fixedly arranged in the middle of the side surface of the connecting limit plate 6, the guiding limit sliding block 17 is positioned in the guiding limit sliding groove 18, and the cross sections of the guiding limit sliding block 17 and the guiding limit sliding groove 18 are of a T-shaped structure.
The application can be further arranged that the sealing piece comprises a protection groove 13, a protection plate 14 matched with the protection groove 13, a sealing groove 15, a first sealing strip 16 and a second sealing strip 19, wherein the protection groove 13 is arranged on the surface of a waterproof connecting column 4, the protection plate 14 is fixed on the surface of a waterproof sealing ring 2, the protection groove 13 and the protection plate 14 are both in an annular structure, two groups of connection limiting plates 6, movable grooves 10, connection limiting grooves 7, anti-falling springs 11 and anti-falling grooves 12 are arranged between the two groups of protection grooves 13 and the protection plate 14, the sealing groove 15 is arranged on the surfaces of two sides of the protection groove 13, the first sealing strip 16 is fixed on the surface of the sealing groove 15, the sealing groove 15 and the first sealing strip 16 are provided with a plurality of groups, the protection plate 14 and the two groups of first sealing strips 16 are matched to seal the waterproof sealing ring 2 and the waterproof connecting column 4, the outer side surface and the inner side surface of the protection plate 14 are provided with the second sealing strip 19, and the second sealing strip 19 are in linear distribution; the second sealing strip 19 is arranged at one end of the protection plate 14 far away from the waterproof sealing ring 2, and the first sealing strip 16 is arranged at one end of the protection groove 13 near the waterproof sealing ring 2.
The application can be further arranged that the surface of the bottom plate body 1 is provided with the adjusting groove 23, the cross section of the adjusting groove 23 is of a -shaped structure, the adjusting groove 23 is internally provided with the adjusting spring 24, one end of the adjusting spring 24 is connected with the adjusting button 3, the surfaces of the two sides of the adjusting groove 23 are provided with the traction fixing grooves 25, the traction fixing grooves 25 are internally provided with the traction ropes 21, one ends of the traction ropes 21 are connected with the adjusting button 3, and the other ends of the traction ropes penetrate through the bottom plate body 1 and the waterproof sealing ring 2 and are connected with the connection limiting plate 6.
A dewatering well plugging method, comprising the steps of:
s1: before plugging, firstly increasing the dewatering force of the periphery of the well to ensure that the water level in the well pipe to be plugged is reduced to the lowest level, and sucking the water of the periphery of the dewatering well by adopting a water suction pump;
s2: putting a concrete agent into a dewatering well to enable water in the dewatering well to be changed into colloid, settling sand particles and broken stones in the dewatering well, reducing the sand flow phenomenon, then putting dry cement on the water-absorbing layer to form a water-absorbing layer, and further inhibiting the sand flow phenomenon, wherein the coagulant is water-absorbing resin, and the water-absorbing material is dry cement;
s3: connecting the bottom plate body 1 and the waterproof steel sleeve 5, then fixing the bottom plate body 1 above the center of a dewatering well, pressing down the adjusting button 3, driving the traction rope 21 to move inside the traction fixing groove 25 by the adjusting button 3, tightening the traction rope 21, moving the connection limiting plate 6 towards the jacking spring 9 by the traction rope 21, then moving the waterproof sealing ring 2 and the waterproof connecting column 4, moving the waterproof steel sleeve 5, enabling the connection limiting plate 6 to enter the connection limiting groove 7 until the waterproof connecting column 4 is completely attached to the waterproof sealing ring 2, loosening the adjusting button 3, propping the connection limiting plate 6 against the jacking spring 9 to be matched with the second connection limiting groove 20, limiting and fixing the bottom plate body 1 and the waterproof steel sleeve 5, propping the waterproof sealing ring 2 and the waterproof connecting column 4 by the anti-falling spring 11, limiting and fixing the waterproof sealing ring 2 and the waterproof connecting column 4 by the connection limiting plate 6, and sealing and limiting the connection part of the waterproof protection plate 2 and the waterproof protection plate 4 by matching the first sealing strip 16 and the second sealing strip 19 in the plugging protection groove 13 at the moment;
s4: and finally, pouring resin concrete at the dewatering well to achieve higher waterproof effect.
Through pressing down adjusting button 3, then adjusting button 3 drives haulage rope 21 and pulls fixed slot 25 inside removal, and tighten up haulage rope 21, thereby it is fixed to connect limiting plate 6 towards holding spring 9 through haulage rope 21, then with waterproof sealing ring 2 and waterproof spliced pole 4, remove waterproof steel sleeve 5, make connect limiting plate 6 get into connect limiting slot 7 inside, until waterproof spliced pole 4 and waterproof sealing ring 2 laminate completely, loosen adjusting button 3, then hold up spring 9 top and hold connect limiting plate 6 and the cooperation of second connection limiting slot 20, thereby spacing fixed to bottom plate body 1 and waterproof steel sleeve 5, waterproof sealing ring 2 and waterproof spliced pole 4 are held in the top of anticreep spring 11, thereby it is spacing fixed with waterproof sealing ring 2 and waterproof spliced pole 4 through connecting limiting plate 6, at this moment, the inside and first sealing strip 16 and the waterproof spliced pole 4 junction of guard plate 14 grafting protective slot 13 seal spacing, install bottom plate body 1 and waterproof steel sleeve 5 through simple grafting can accomplish, easy operation, and the installation effectiveness of waterproof steel sleeve 5 is improved, and sealing effect is better.
By adding the concrete agent into the dewatering well, water in the dewatering well can be changed into colloid, sand particles and gravels in the water can be settled, along with water flow surging, the phenomenon of water movement pressure and sand flowing can be avoided, the colloid is adsorbed on the inner wall of the dewatering well, water permeability can be reduced, effective construction is ensured, sediment and gravels which can be adsorbed by the colloid can form a scattering structure similar to branches, part of water-absorbent resin is contained in the water-absorbent resin, displacement is reduced or prevented, the sand flowing phenomenon is further inhibited, meanwhile, water seepage from the bottom of the dewatering well is reduced, the 2m high-dry cement is equivalent to the formation of a water-absorbent layer, water absorption can be continued, the colloid is dehydrated, the colloid has higher viscosity, the fluidity is worse, the structure formed by the water-absorbent layer is more stable, namely impurities are adsorbed by the colloid, and the structures formed by the two water-absorbent resin are mutually crosslinked to form a more stable structure, and water is expanded and blocked; the gravel flowing phenomenon can be further inhibited, and the resin concrete is poured, so that the anti-seepage, corrosion-resistant, wear-resistant, freeze thawing resistant and bonding performances are improved rapidly and strongly, and the excessive jacking force caused by water in the dewatering well to the bottom plate body 1 is effectively prevented.
While the foregoing describes illustrative embodiments of the present application so that those skilled in the art may understand the present application, the present application is not limited to the specific embodiments, and all applications and creations utilizing the inventive concepts are within the scope of the present application as long as the modifications are within the spirit and scope of the present application as defined and defined in the appended claims to those skilled in the art.
Claims (3)
1. A precipitation bottomhole board, characterized in that: the precipitation bottomhole plate comprises:
the surface of the bottom plate body (1) is provided with a through hole;
a waterproof steel sleeve (5) with a flange plate arranged on the surface and arranged in the through hole of the bottom plate body (1),
the waterproof sealing ring (2) is fixed inside the through hole of the bottom plate body (1), and the inner wall is provided with an anti-impact inclined plane (22);
the waterproof connecting column (4) is arranged on the surface of the flange plate of the waterproof steel sleeve (5);
the connecting limiting plate (6) is arranged inside the waterproof sealing ring (2);
the second connection limiting groove (20) is formed in the waterproof connecting column (4);
the adjusting button (3) is arranged on the surface of the bottom plate body (1); a kind of electronic device with high-pressure air-conditioning system
The sealing piece is arranged between the waterproof sealing ring (2) and the waterproof connecting column (4) and is used for sealing and limiting the waterproof sealing ring (2) and the waterproof connecting column (4);
the waterproof connecting column (4) is provided with a connecting limit groove (7) near one side surface of the waterproof sealing ring (2), the waterproof sealing ring (2) is provided with a movable groove (10) near one side surface of the waterproof connecting column (4), the connecting limit plate (6) is arranged inside the movable groove (10) and has an L-shaped cross section, the second connecting limit groove (20) is provided inside the connecting limit groove (7), and the cross section of a groove body formed by the second connecting limit groove (20) and the connecting limit groove (7) has an L-shaped cross section;
the width of the connecting limiting groove (7) is equal to that of the movable groove (10) and is larger than the thickness of the connecting limiting plate (6), the cross section of the second connecting limiting groove (20) is of a -shaped structure, and the second connecting limiting groove (20) is matched with the connecting limiting plate (6);
the surface of the movable groove (10) is provided with a connecting jacking groove (8), a connecting jacking spring (9) is arranged in the connecting jacking groove (8), the cross section of the connecting jacking groove (8) is of a -shaped structure, one end of the connecting jacking spring (9) is connected with the innermost surface of the connecting jacking groove (8), and the other end of the connecting jacking spring is connected with one end of the connecting limiting plate (6);
the anti-drop groove (12) is formed in one side surface of the connecting limiting groove (7) and one side surface of the movable groove (10), the anti-drop groove (12) is of an annular structure, an anti-drop spring (11) is arranged in the anti-drop groove (12), one end of the anti-drop spring (11) is connected with the waterproof sealing ring (2), and when the waterproof connecting column (4) is connected with the waterproof sealing ring (2), the anti-drop spring (11) is in a compressed state;
the sealing piece comprises a protection groove (13), a protection plate (14) matched with the protection groove (13), a sealing groove (15), a first sealing strip (16) and a second sealing strip (19), wherein the protection groove (13) is formed in the surface of a waterproof connecting column (4), the protection plate (14) is fixed on the surface of a waterproof sealing ring (2), the protection groove (13) and the protection plate (14) are of annular structures, the protection groove (13) and the protection plate (14) are provided with two groups, a connecting limiting plate (6), a movable groove (10), a connecting limiting groove (7), an anti-falling spring (11) and the anti-falling groove (12) are arranged between the two groups of protection grooves (13) and the protection plate (14), the sealing groove (15) is formed in the surfaces of two sides of the protection groove (13), the first sealing strip (16) is fixed on the surface of the sealing groove (15), the sealing groove (15) and the first sealing strip (16) are provided with a plurality of groups, the protection plate (14) and the two groups of first sealing strips (16) are matched with each other to seal the waterproof sealing ring (2) and the waterproof connecting column (4), and the second sealing strip (19) are linearly distributed on the outer sides of the protection plate (14) and the surfaces are provided with the second sealing strip (19);
the utility model discloses a floor body (1) surface has been seted up adjustment tank (23), adjustment tank (23) transversal personally submits "" font structure, and adjustment tank 23 inside is provided with adjusting spring (24), adjusting spring (24) one end is connected with adjusting button (3), and traction fixed slot (25) have been seted up on adjustment tank (23) both sides surface, traction fixed slot (25) inside is provided with haulage rope (21), haulage rope (21) one end is connected with adjusting button (3), the other end passes floor body (1) and waterproof sealing ring (2) and is connected with connecting limiting plate (6).
2. A precipitation bottom plate body according to claim 1, wherein: the second sealing strip (19) is arranged at one end of the protection plate (14) far away from the waterproof sealing ring (2), and the first sealing strip (16) is arranged at one end of the protection groove (13) close to the waterproof sealing ring (2).
3. A plugging method of a dewatering well floor according to any one of claims 1-2, characterized in that: the method comprises the following steps:
s1: before plugging, firstly increasing the dewatering force of the periphery of the dewatering well, so that the water level in the well pipe to be plugged is reduced to the lowest level for plugging, and adopting a water pump to pump the water of the periphery of the dewatering well;
s2: adding a coagulant into the dewatering well to enable water in the dewatering well to be changed into colloid, settling sand particles and broken stones in the dewatering well, reducing the sand flow phenomenon, adding dry cement on the sand particles and broken stones to form a water absorption layer, and further inhibiting the sand flow phenomenon, wherein the coagulant is water absorption resin;
s3: connect the bottom plate body (1) and the waterproof steel sleeve (5), then fix the bottom plate body (1) above the center of the dewatering well, through pressing down the adjusting button (3), then the adjusting button (3) drives the haulage rope (21) to move inside the haulage fixing groove (25), and tighten up the haulage rope (21), thereby move the connection limiting plate (6) towards the top holding spring (9) through the haulage rope (21), then connect the waterproof sealing ring (2) with the waterproof connecting column (4), remove the waterproof steel sleeve (5), make the connection limiting plate (6) get into the inside of the connection limiting groove (7), until the waterproof connecting column (4) is completely attached with the waterproof sealing ring (2), loosen the adjusting button (3), then the top holding spring (9) pushes up the connection limiting plate (6) and the cooperation of the second connection limiting groove (20), thereby spacing the bottom plate body (1) and the waterproof steel sleeve (5) are fixed, the waterproof sealing ring (2) and the waterproof connecting column (4) are pushed up by the anti-release spring (11), thereby connect the waterproof limiting plate (2) and the waterproof sealing ring (4) through the connection limiting plate (6), at the moment, the inside of the protection plate (14) is inserted into the protection groove (13) and matched with the first sealing strip (16) and the second sealing strip (19) to seal and limit the joint of the waterproof sealing ring (2) and the waterproof connecting column (4);
s4: and finally, pouring resin concrete at the dewatering well to achieve higher waterproof effect.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211205262.2A CN115419096B (en) | 2022-09-30 | 2022-09-30 | Dewatering well bottom plate and dewatering well plugging method |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211205262.2A CN115419096B (en) | 2022-09-30 | 2022-09-30 | Dewatering well bottom plate and dewatering well plugging method |
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| Publication Number | Publication Date |
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| CN115419096A CN115419096A (en) | 2022-12-02 |
| CN115419096B true CN115419096B (en) | 2023-12-01 |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005248631A (en) * | 2004-03-05 | 2005-09-15 | Kanpai Co Ltd | Packer and liquid conveying pipe having it |
| CN202124865U (en) * | 2011-06-22 | 2012-01-25 | 南通海洲建设集团有限公司 | Quick plugging device for dewatering wellhead of sand-free cement pipe deep well |
| CN214574070U (en) * | 2021-04-22 | 2021-11-02 | 江苏固洲基础工程有限公司 | Flange well sealing device for dewatering well penetrating through bottom plate in foundation pit |
| CN113622442A (en) * | 2021-08-05 | 2021-11-09 | 浙江二十冶建设有限公司 | Plugging method for dewatering well |
| CN217419708U (en) * | 2022-03-14 | 2022-09-13 | 中建新疆建工（集团）有限公司 | Plugging device for dewatering well of building foundation pit |
-
2022
- 2022-09-30 CN CN202211205262.2A patent/CN115419096B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2005248631A (en) * | 2004-03-05 | 2005-09-15 | Kanpai Co Ltd | Packer and liquid conveying pipe having it |
| CN202124865U (en) * | 2011-06-22 | 2012-01-25 | 南通海洲建设集团有限公司 | Quick plugging device for dewatering wellhead of sand-free cement pipe deep well |
| CN214574070U (en) * | 2021-04-22 | 2021-11-02 | 江苏固洲基础工程有限公司 | Flange well sealing device for dewatering well penetrating through bottom plate in foundation pit |
| CN113622442A (en) * | 2021-08-05 | 2021-11-09 | 浙江二十冶建设有限公司 | Plugging method for dewatering well |
| CN217419708U (en) * | 2022-03-14 | 2022-09-13 | 中建新疆建工（集团）有限公司 | Plugging device for dewatering well of building foundation pit |
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| CN115419096A (en) | 2022-12-02 |
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