CN214994300U - High-flow pressure-bearing water pipe well sealing device - Google Patents
High-flow pressure-bearing water pipe well sealing device Download PDFInfo
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- CN214994300U CN214994300U CN202120769490.7U CN202120769490U CN214994300U CN 214994300 U CN214994300 U CN 214994300U CN 202120769490 U CN202120769490 U CN 202120769490U CN 214994300 U CN214994300 U CN 214994300U
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Abstract
The utility model relates to a technical field of pressure-bearing water pipe well shut-in, discloses large-traffic pressure-bearing water pipe well shut-in device, including water pump, water pipe, upper steel pipe, lower cover plate and valve, the water pump is arranged in the inside of pipe well and is used for pumping groundwater, the lower part of water pipe is connected with the water pump and arranges, the upper portion of water pipe extends upwards and runs through the lower cover plate, the valve is in the top of lower cover plate, and the valve is used for sealing the water pipe; the upper steel pipe and the lower steel pipe are arranged in an up-down corresponding mode and are connected, the upper steel pipe is provided with a pipe orifice, the upper steel pipe surrounds the lower cover plate, the lower cover plate is connected with the upper steel pipe, and the lower cover plate seals the pipe orifice. When the well sealing operation is carried out, the water pump pumps underground water, when the underground water is lowered to a preset value, the lower cover plate and the upper steel pipe are arranged in a welding mode, the water pipe is cut off along a well mouth, a valve is installed, and the water pipe is sealed through the valve; the water yield is reduced firstly, and then the well is sealed by multiple layers, so that the well sealing effect is improved, and meanwhile, the problem that the large-flow pipe well is difficult to seal is solved.
Description
Technical Field
The patent of the utility model relates to a technical field of pressure-bearing water pipe well shut-in particularly, relates to large-traffic pressure-bearing water pipe well shut-in device.
Background
The pipe well is a tubular structure which is vertically arranged underground and used for taking water or protecting underground water; is a water supply and drainage facility for industrial and agricultural production, city, traffic and national defense construction.
As a plurality of construction projects in China are developed in regions along rivers, seas or soft soil foundations, deep foundation pit excavation and structure construction are generally met, confined water and soil layers often exist in the regions, the confined water is supplied by upstream rivers, lakes and seawater, the height of a water head of the confined water exceeds the elevation of the bottom surface of the foundation pit excavation, if the excavation depth of the foundation pit is large, the thickness of a covering soil layer on the upper portion of the confined water is reduced, when the thickness of covering soil is reduced to a certain degree, top cracking or bottom plate of the foundation pit is damaged when the upward pressure of the water head exceeds the self-weight pressure of the covering soil layer on a confined water aquifer, and the phenomenon of 'gushing' of the foundation pit is caused.
In the prior art, for geology with strong permeability, the water yield of a pipe well is large due to the strong permeability, the bottom surface of a foundation has high water pressure, and the well is difficult to seal by a traditional well sealing mode.
SUMMERY OF THE UTILITY MODEL
An object of the utility model is to provide a large-traffic pressure-bearing water pipe well shut-in device aims at solving prior art, and the large-traffic play water of pipe well is difficult to the problem of shut-in.
The utility model discloses a realize like this, large-traffic pressure-bearing water pipe well shut-in device, including water pump, water pipe, upper steel pipe, lower apron and valve, the water pump is arranged in the inside of pipe well and is used for extracting groundwater, the lower part of water pipe is connected with the water pump and arranges, the upper portion of water pipe extends upwards and runs through the lower apron, the valve is in the top of lower apron, and the valve is used for sealing the water pipe; the upper steel pipe and the lower steel pipe are arranged in an up-down corresponding mode and are connected, the upper steel pipe is provided with a pipe orifice, the upper steel pipe surrounds the lower cover plate, the lower cover plate is connected with the upper steel pipe, and the pipe orifice is sealed by the lower cover plate.
Further, the well sealing device for the high-flow pressure-bearing water pipe well comprises a butt joint pipe, wherein a lower connecting thread is formed at the lower part of the butt joint pipe, and an upper connecting thread is formed at the upper part of the butt joint pipe; the water pipe is including excision pipe and reservation pipe, the excision pipe with the reservation pipe is upper and lower connection arrangement, excision department is located the top of apron down, the butt joint pipe replacement the excision pipe, the lower part of butt joint pipe with the reservation pipe is threaded connection and arranges, the upper portion of butt joint pipe with the valve is threaded connection and arranges.
Further, the well sealing device of the high-flow pressure-bearing water pipe well comprises a sealing ring, the lower part of the butt joint pipe and the retaining pipe are connected and arranged to form a connecting part, the sealing ring is sleeved on the connecting part and is arranged elastically, and the sealing ring applies elasticity to the connecting part from outside to inside; the sealing ring is provided with an upper tight ring and a lower tight ring, the upper tight ring and the lower tight ring are arranged in an up-down corresponding mode, the upper tight ring and the lower tight ring are respectively arranged in an elastic mode, the upper tight ring and the lower tight ring respectively face towards the connecting portion in a protruding mode, the upper tight ring and the lower tight ring are respectively arranged in an annular mode, and the connecting portion is located between the upper tight ring and the lower tight ring.
Furthermore, hemp threads are wound on the upper portion of the lower steel pipe, a pipe gap is formed by the lower portion of the upper steel pipe and the upper portion of the lower steel pipe in a sleeved mode, the hemp threads are located in the pipe gap, and the factice is filled in the pipe gap.
Further, a lower concrete layer is arranged above the lower cover plate, the lower concrete layer is provided with a lower concrete surface, and the distance between the lower concrete surface and the wellhead is 10-15 cm.
Further, the well sealing device of the high-flow pressure-bearing water pipe well comprises an upper cover plate, wherein the upper cover plate is positioned above the lower concrete layer and is tiled on the lower concrete surface; the upper cover plate is arranged in the upper steel pipe, an upper cover surface is formed on the outer surface of the upper cover plate along the circumferential direction of the upper cover plate, the upper cover surface is annularly arranged, and the upper cover surface and the upper steel pipe are connected.
Further, the well sealing device for the high-flow pressure-bearing water pipe well comprises an upper water-stopping wing ring and a lower water-stopping wing ring, wherein the upper water-stopping wing ring and the lower water-stopping wing ring are arranged in a vertically corresponding manner, and the upper steel pipe is sleeved with the upper water-stopping wing ring and the lower water-stopping wing ring respectively; along the top-down direction, go up stagnant water wing ring with go up the steel pipe and be the dislocation arrangement, down stagnant water wing ring with steel pipe is the dislocation arrangement down.
Further, the top of upper cover plate is equipped with concrete layer, it has the concrete face to go up concrete layer, it is the parallel and level with the well head and arranges to go up the concrete face.
Further, the well sealing device for the high-flow pressure-bearing water pipe well comprises a middle frame, the lower part of the middle frame is in abutting arrangement with the lower cover plate, and the upper part of the middle frame is in abutting arrangement with the upper cover plate; the middle-placed frame comprises a middle-placed plate, an upper supporting group and a lower supporting group, the middle-placed plate is arranged in a flat mode and is arranged horizontally, the upper supporting group, the middle-placed plate and the lower supporting group are sequentially connected and arranged, the upper portion of the upper supporting group is in abutting joint with the upper cover plate, and the lower portion of the lower supporting group is in abutting joint with the lower cover plate.
Further, large-traffic pressure-bearing water pipe well shut-in device includes floor layer and bed course, floor layer with the bed course is arranged according to the preface from top to bottom, it inlays to go up the steel pipe establishes floor layer and extend to the below of bed course, the upper portion of lower steel pipe inlays to be established the bed course, just the upper portion of lower steel pipe with the upper portion of bed course is the parallel and level and arranges.
Compared with the prior art, the utility model provides a large-traffic pressure-bearing water pipe well shut-in device, when carrying out the shut-in operation, the water pump extracts groundwater, drop to the default under the groundwater, be welding arrangement with last steel pipe again with lower cover plate, be sealing arrangement with last steel pipe through lower cover plate, and, during above-mentioned operation, the water pump is in the state of drawing water all the time, after lower cover plate and last steel pipe welding accomplish, stop the water pump work of drawing water, cut off the water pipe along the well head, install the valve, and seal the water pipe through the valve, reuse rapid hardening, waterproof concrete pours the well head; therefore, through the matching of the upper steel pipe, the lower steel pipe and the lower cover plate, the water yield is reduced firstly, and then the multi-layer well plugging is realized, so that the well plugging effect is improved, and meanwhile, the problem that the large-flow pipe well is difficult to be plugged is solved.
Drawings
Fig. 1 is a schematic plan view of a high-flow pressure-bearing water pipe well sealing device provided by the present invention;
FIG. 2 is a schematic plan view of the upper cover plate of the high-flow pressure-bearing water pipe well sealing device provided by the present invention in an unfinished state;
FIG. 3 is a schematic plan view of the large flow pressure-bearing water pipe well sealing device provided by the present invention in a state where the water pipe is not cut off;
fig. 4 is a schematic layout plan view of a waterproof curtain of the high-flow pressure-bearing water pipe well sealing device provided by the utility model;
fig. 5 is a schematic cross-sectional view of the lower cover plate and the butt joint pipe of the high-flow pressure-bearing water pipe well sealing device provided by the present invention;
fig. 6 is a schematic top view of the lower cover plate of the large-flow pressure-bearing water pipe well sealing device provided by the present invention.
Detailed Description
In order to make the objects, technical solutions and advantages of the present invention more clearly understood, the present invention is further described in detail below with reference to the accompanying drawings and embodiments. It should be understood that the specific embodiments described herein are merely illustrative of the invention and are not intended to limit the invention.
The following describes the implementation of the present invention in detail with reference to specific embodiments.
The same or similar reference numerals in the drawings of the present embodiment correspond to the same or similar components; in the description of the present invention, it should be understood that if there are the terms "upper", "lower", "left", "right", etc. indicating the orientation or positional relationship based on the orientation or positional relationship shown in the drawings, it is only for convenience of description and simplification of the description, but it is not intended to indicate or imply that the device or element referred to must have a specific orientation, be constructed in a specific orientation, and be operated, and therefore the terms describing the positional relationship in the drawings are only for illustrative purposes and are not to be construed as limitations of the present patent, and those skilled in the art can understand the specific meanings of the terms according to specific situations.
Referring to fig. 1-6, the preferred embodiment of the present invention is shown.
The well sealing device for the large-flow pressure-bearing water pipe well comprises a water pump 1, a water pipe 2, an upper steel pipe 4, a lower steel pipe 3, a lower cover plate 41 and a valve 5, wherein the water pump 1 is arranged inside the pipe well and used for pumping underground water, the lower part of the water pipe 2 is connected with the water pump 1, the upper part of the water pipe 2 extends upwards to penetrate through the lower cover plate 41, the valve 5 is positioned above the lower cover plate 41, and the valve 5 is used for sealing the water pipe 2; go up steel pipe 4 and be corresponding about with lower steel pipe 3 and arrange and be the connection arrangement, go up steel pipe 4 and have the mouth of pipe, go up steel pipe 4 and enclose and close lower apron 41, and lower apron 41 is the connection arrangement with last steel pipe 4, and lower apron 41 seals the mouth of pipe.
When the well sealing operation is carried out, the water pump 1 pumps underground water until the underground water is lowered to a preset value, the lower cover plate 41 and the upper steel pipe 4 are arranged in a welding mode, the upper steel pipe 4 is arranged in a sealing mode through the lower cover plate 41, in addition, during the operation period, the water pump 1 is always in a water pumping state, after the lower cover plate 41 and the upper steel pipe 4 are welded, the water pump 1 stops pumping water, the water pipe 2 is cut off along a well mouth, the valve 5 is installed, the water pipe 2 is sealed through the valve 5, and quick-setting waterproof concrete is used for pouring the well mouth; therefore, through the matching of the upper steel pipe 4, the lower steel pipe 3 and the lower cover plate 41, the water yield is reduced firstly, and then the well is sealed in multiple layers, so that the well sealing effect is improved, and meanwhile, the problem that the well is difficult to seal for a large-flow pipe well is solved.
The upper steel pipe 4 is provided with a welding area, the lower cover plate 41 and the welding area are arranged correspondingly along the horizontal direction, and after the underground water is extracted and falls to the welding area, the lower cover plate 41 and the welding area are arranged in a welding mode.
The welding area is provided with a welding groove, the outer surface of the lower cover plate 41 is provided with a positioning strip, the positioning strip is arranged in a protruding mode outwards, and the positioning strip is located at the lower portion of the lower cover plate 41; when welding, the positioning strip is embedded into the welding groove; thus, the lower cover plate 41 is initially positioned, and then the welding operation of the lower cover plate 41 is performed, which facilitates the welding operation of the lower cover plate 41.
The well plugging device for the large-flow pressure-bearing water pipe 2 comprises a butt joint pipe 23, wherein a lower connecting thread is formed at the lower part of the butt joint pipe 23, and an upper connecting thread is formed at the upper part of the butt joint pipe 23; the water pipe 2 comprises a cutting pipe 22 and a retaining pipe 21, the cutting pipe 22 and the retaining pipe 21 are arranged in an up-and-down connection mode, a cutting section is located above a lower cover plate 41, the cutting pipe 22 is replaced by an abutting pipe 23, the lower portion of the abutting pipe 23 is in threaded connection with the retaining pipe 21, and the upper portion of the abutting pipe 23 is in threaded connection with the valve 5.
This facilitates the quick mounting of the valve 5 under the effect of the upper connecting thread.
The lower cover plate 41 is provided with a hole to form a lower cover opening, the lower cover plate 41 is embedded in the butt joint pipe 23 through the lower cover opening, and the lower connection thread at the lower part of the butt joint pipe 23 is welded with the lower cover plate 41, so that the lower part of the butt joint pipe 23 is welded with the lower cover plate 41; the arrangement of the butt pipe 23 is facilitated, and the subsequent quick installation of the valve 5 is facilitated.
The large-flow pressure-bearing water pipe 2 well sealing device comprises a sealing ring, the lower part of a butt joint pipe 23 and a retaining pipe 21 are connected and arranged to form a connecting part, the connecting part is sleeved with the sealing ring, the sealing ring is arranged elastically, and the sealing ring applies elasticity to the connecting part from outside to inside; thus, the lower part of the butt pipe 23 and the reserve pipe 21 are sealed by the sealing ring.
The sealing ring is provided with an upper sealing ring and a lower sealing ring, the upper sealing ring and the lower sealing ring are arranged in a vertically corresponding manner, the upper sealing ring and the lower sealing ring are respectively arranged in an elastic manner, the upper sealing ring and the lower sealing ring are respectively arranged towards the connecting part in a protruding manner, the upper sealing ring and the lower sealing ring are respectively arranged in a ring shape, and the connecting part is arranged between the upper sealing ring and the lower sealing ring; the water stopping effect of the lower part of the butt pipe 23 and the reserve pipe 21 is enhanced.
The upper part of the lower steel pipe 3 is wound with hemp threads, the lower part of the upper steel pipe 4 is sleeved with the upper part of the lower steel pipe 3 to form a pipe gap, the hemp threads are positioned in the pipe gap, and the pipe gap is filled with factice 31; therefore, under the matching action of the hemp threads and the factice 31, the connection sealing performance between the upper steel pipe 4 and the lower steel pipe 3 is enhanced, and the leakage of underground water is avoided.
A lower concrete layer 6 is arranged above the lower cover plate 41, the lower concrete layer 6 is provided with a lower concrete surface, and the distance between the lower concrete surface and the wellhead is 10-15 cm; the lower cover plate 41 is applied by the self-gravity and the solidification force of the lower concrete layer 6, the setting stability of the lower cover plate 41 is enhanced, and the well sealing effect of the lower cover plate 41 is enhanced.
The lower concrete layer 6 is formed by pouring quick-setting waterproof concrete.
The high-flow pressure-bearing water pipe 2 well shut-in device comprises an upper cover plate 42, wherein the upper cover plate 42 is positioned above a lower concrete layer 6, and the upper cover plate 42 is tiled on the lower concrete surface; the upper cover plate 42 is positioned inside the upper steel pipe 4, and an upper cover surface is formed on the outer surface of the upper cover plate 42 along the circumferential direction of the upper cover plate 42 and is annularly arranged, and the upper cover surface is connected with the upper steel pipe 4; therefore, the upper cover plate 42, the lower concrete layer 6 and the lower cover plate 41 sequentially play a well sealing role from top to bottom, and a multi-layer well sealing effect is guaranteed.
An upper concrete layer 7 is arranged above the upper cover plate 42, the upper concrete layer 7 is provided with an upper concrete surface, and the upper concrete surface is arranged in parallel with the well mouth; therefore, the upper concrete layer 7, the upper cover plate 42, the lower concrete layer 6 and the lower cover plate 41 sequentially play a well sealing role from top to bottom, and a multi-layer well sealing effect is guaranteed.
The upper concrete layer 7 is formed by pouring quick-setting waterproof concrete.
The well sealing device for the large-flow pressure-bearing water pipe 2 comprises an upper water-stopping wing ring 43 and a lower water-stopping wing ring 44, wherein the upper water-stopping wing ring 43 and the lower water-stopping wing ring 44 are arranged in an up-down corresponding manner, and the upper water-stopping wing ring 43 and the lower water-stopping wing ring 44 are respectively sleeved with an upper steel pipe 4; under the action of the upper water-stopping wing ring 43 and the lower water-stopping wing ring 44, the water-stopping range is enlarged, and the well-sealing effect is enhanced.
Meanwhile, the upper water-stopping wing ring 43 and the lower water-stopping wing ring 44 are respectively arranged in an annular shape, and the upper water-stopping wing ring 43 and the lower water-stopping wing ring 44 are respectively embedded in the bottom plate layer 8, so that the setting stability of the upper steel pipe 4 is enhanced.
Along the direction from top to bottom, the upper stop hydrofoil ring 43 and the upper steel pipe 4 are arranged in a staggered manner, and the lower stop hydrofoil ring 44 and the lower steel pipe 3 are arranged in a staggered manner; the setting steadiness of steel pipe 4 in the reinforcing, simultaneously, improve the stagnant water effect.
The well shut-in device for the large-flow pressure-bearing water pipe 2 well comprises a middle-placed frame, wherein the lower part of the middle-placed frame is in abutting arrangement with a lower cover plate 41, and the upper part of the middle-placed frame is in abutting arrangement with an upper cover plate 42; under the effect of the middle-placed frame, the arrangement stability of the upper cover plate 42 is enhanced.
Furthermore, the middle-placed frame comprises a middle-placed plate, an upper supporting group and a lower supporting group, the middle-placed plate is arranged flatly and horizontally, the upper supporting group, the middle-placed plate and the lower supporting group are sequentially connected, the upper part of the upper supporting group is in abutting arrangement with the upper cover plate 42, and the lower part of the lower supporting group is in abutting arrangement with the lower cover plate 41; the setting stability of the upper cover plate 42 is enhanced.
Go up concrete layer 7 and be the parallel and level with the upper portion of last support group and arrange, like this, go up concrete layer 7 and last support group synchro-strut upper cover plate 42, reinforcing upper cover plate 42 set up the steadiness.
Go up the bracing group and be connected the arrangement with the median septum including many last bracing pieces, go up the lower part of bracing piece and be, go up the upper portion tilt up of bracing piece and extend to arrange, and go up the upper portion of bracing piece and expand outward along deviating from the center and arrange.
The lower support group comprises a plurality of lower support rods, the upper parts of the lower support rods are connected with the middle-placed plate, the lower parts of the lower support rods are arranged in an inclined mode downwards, and the lower parts of the lower support rods are arranged in an outward expanding mode along the deviated center.
The large-flow pressure-bearing water pipe 2 well shut-in device comprises a bottom plate layer 8 and a cushion layer 9, wherein the bottom plate layer 8 and the cushion layer 9 are sequentially arranged from top to bottom, an upper steel pipe 4 is embedded in the bottom plate layer 8 and extends to the lower part of the cushion layer 9, the cushion layer 9 is embedded in the upper part of a lower steel pipe 3, and the upper part of the lower steel pipe 3 and the upper part of the cushion layer 9 are arranged in a flush manner; under the action of the bottom plate layer 8 and the cushion layer 9, the well sealing effect is enhanced.
The large-flow water-bearing pipe 2 well sealing device comprises a plurality of waterproof curtains 91, each waterproof curtain 91 is arranged in a collision mode or in a meshing mode, and each waterproof curtain 91 is arranged in a surrounding mode along the circumference of a dewatering well, so that the overall stability of the dewatering well is enhanced, and the well sealing effect is guaranteed.
The construction method comprises the following specific construction steps:
(1) preparing materials: selecting an appropriate upper cover plate 42 and an appropriate lower cover plate 41 according to the inner diameter of the pipe well, wherein the thickness of the upper cover plate 42 is 2cm, the thickness of the lower cover plate 41 is 2cm, 1 water pump of 7.5KW, 4-inch valves and water pipes are arranged; and (4) punching a hole in the lower cover plate, and welding the water pipe and the steel plate.
(2) Placing the water pump in a precipitation well, and enabling a water pipe, an electric wire and the like to penetrate through the processed hole of the lower cover plate 41; after the water level is reduced to be below the welding area, immediately welding the lower cover plate 41 and the pre-embedded phi 325 multiplied by 4 upper steel pipe 4; during which the pump is always pumping.
(3) And after the lower cover plate 41 and the pre-embedded phi 325 multiplied by 4 upper steel pipe 4 are welded, immediately stopping the water pump from pumping water, cutting off the water pipe along the wellhead, quickly installing the valve 5, and immediately closing the valve 5. At the moment, quick-setting and waterproof concrete is used for pouring 10-15cm away from the wellhead.
(4) And after the concrete is solidified, welding a complete upper cover plate 42 on the upper part, and pouring the quick-setting waterproof concrete to the wellhead.
The above description is only exemplary of the present invention and should not be taken as limiting the scope of the present invention, as any modifications, equivalents, improvements and the like made within the spirit and principles of the present invention are intended to be included within the scope of the present invention.
Claims (10)
1. The well sealing device for the high-flow pressure-bearing water pipe well is characterized by comprising a water pump, a water pipe, an upper steel pipe, a lower cover plate and a valve, wherein the water pump is arranged in the pipe well and used for pumping underground water; the upper steel pipe and the lower steel pipe are arranged in an up-down corresponding mode and are connected, the upper steel pipe is provided with a pipe orifice, the upper steel pipe surrounds the lower cover plate, the lower cover plate is connected with the upper steel pipe, and the pipe orifice is sealed by the lower cover plate.
2. The high-flow pressure-bearing water pipe well shut-in device according to claim 1, wherein the high-flow pressure-bearing water pipe well shut-in device comprises a butt joint pipe, wherein a lower connection thread is formed at the lower part of the butt joint pipe, and an upper connection thread is formed at the upper part of the butt joint pipe; the water pipe is including excision pipe and reservation pipe, the excision pipe with the reservation pipe is upper and lower connection arrangement, excision department is located the top of apron down, the butt joint pipe replacement the excision pipe, the lower part of butt joint pipe with the reservation pipe is threaded connection and arranges, the upper portion of butt joint pipe with the valve is threaded connection and arranges.
3. The well sealing device for the high-flow pressure-bearing water pipe well according to claim 2, wherein the well sealing device for the high-flow pressure-bearing water pipe well comprises a sealing ring, the lower portion of the butt pipe is connected with the retaining pipe to form a connecting portion, the sealing ring is sleeved on the connecting portion and is arranged elastically, and the sealing ring applies elasticity to the connecting portion from outside to inside; the sealing ring is provided with an upper tight ring and a lower tight ring, the upper tight ring and the lower tight ring are arranged in an up-down corresponding mode, the upper tight ring and the lower tight ring are respectively arranged in an elastic mode, the upper tight ring and the lower tight ring respectively face towards the connecting portion in a protruding mode, the upper tight ring and the lower tight ring are respectively arranged in an annular mode, and the connecting portion is located between the upper tight ring and the lower tight ring.
4. The well sealing device of the large-flow pressure-bearing water pipe well according to any one of claims 1 to 3, wherein a hemp thread is wound on the upper portion of the lower steel pipe, a pipe gap is formed by sleeving the upper portion of the lower steel pipe on the lower portion of the upper steel pipe, the hemp thread is located in the pipe gap, and the pipe gap is filled with factice.
5. A high-flow pressure-bearing water pipe well shut-in device as claimed in any one of claims 1-3, characterized in that a lower concrete layer is provided above said lower cover plate, said lower concrete layer having a lower concrete surface, said lower concrete surface being located 10-15cm from the well head.
6. The high-flow pressure-bearing water pipe well shut-in device according to claim 5, wherein the high-flow pressure-bearing water pipe well shut-in device comprises an upper cover plate, the upper cover plate is located above the lower concrete layer, and the upper cover plate is laid on the lower concrete surface; the upper cover plate is arranged in the upper steel pipe, an upper cover surface is formed on the outer surface of the upper cover plate along the circumferential direction of the upper cover plate, the upper cover surface is annularly arranged, and the upper cover surface and the upper steel pipe are connected.
7. The well sealing device for the high-flow pressure-bearing water pipe well according to claim 6, wherein the well sealing device for the high-flow pressure-bearing water pipe well comprises an upper water-stopping wing ring and a lower water-stopping wing ring, the upper water-stopping wing ring and the lower water-stopping wing ring are arranged in an up-down corresponding manner, and the upper steel pipe is sleeved with the upper water-stopping wing ring and the lower water-stopping wing ring respectively; along the top-down direction, go up stagnant water wing ring with go up the steel pipe and be the dislocation arrangement, down stagnant water wing ring with steel pipe is the dislocation arrangement down.
8. The well shut-in device for the high-flow pressure-bearing water pipe well according to claim 7, wherein an upper concrete layer is arranged above the upper cover plate, the upper concrete layer is provided with an upper concrete surface, and the upper concrete surface is arranged flush with a well mouth.
9. The high-flow pressure-bearing water pipe well shut-in device according to claim 7, wherein the high-flow pressure-bearing water pipe well shut-in device comprises a middle-placed frame, the lower portion of the middle-placed frame is in interference arrangement with the lower cover plate, and the upper portion of the middle-placed frame is in interference arrangement with the upper cover plate; the middle-placed frame comprises a middle-placed plate, an upper supporting group and a lower supporting group, the middle-placed plate is arranged in a flat mode and is arranged horizontally, the upper supporting group, the middle-placed plate and the lower supporting group are sequentially connected and arranged, the upper portion of the upper supporting group is in abutting joint with the upper cover plate, and the lower portion of the lower supporting group is in abutting joint with the lower cover plate.
10. The well sealing device for the large-flow pressure-bearing water pipe well according to any one of claims 1 to 3, wherein the well sealing device for the large-flow pressure-bearing water pipe well comprises a bottom plate layer and a cushion layer, the bottom plate layer and the cushion layer are sequentially arranged from top to bottom, the upper steel pipe is embedded in the bottom plate layer and extends to the lower part of the cushion layer, the cushion layer is embedded in the upper part of the lower steel pipe, and the upper part of the lower steel pipe is flush with the upper part of the cushion layer.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120769490.7U CN214994300U (en) | 2021-04-14 | 2021-04-14 | High-flow pressure-bearing water pipe well sealing device |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202120769490.7U CN214994300U (en) | 2021-04-14 | 2021-04-14 | High-flow pressure-bearing water pipe well sealing device |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN214994300U true CN214994300U (en) | 2021-12-03 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202120769490.7U Active CN214994300U (en) | 2021-04-14 | 2021-04-14 | High-flow pressure-bearing water pipe well sealing device |
Country Status (1)
| Country | Link |
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| CN (1) | CN214994300U (en) |
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2021
- 2021-04-14 CN CN202120769490.7U patent/CN214994300U/en active Active
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