CN115387388A - Underground valve well structure capable of draining water and preventing leakage - Google Patents
Underground valve well structure capable of draining water and preventing leakage Download PDFInfo
- Publication number
- CN115387388A CN115387388A CN202211120366.3A CN202211120366A CN115387388A CN 115387388 A CN115387388 A CN 115387388A CN 202211120366 A CN202211120366 A CN 202211120366A CN 115387388 A CN115387388 A CN 115387388A
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- Prior art keywords
- valve well
- water
- underground valve
- cover plate
- well
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
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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
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D29/00—Independent underground or underwater structures; Retaining walls
- E02D29/12—Manhole shafts; Other inspection or access chambers; Accessories therefor
- E02D29/125—Manhole shafts; Other inspection or access chambers; Accessories therefor characterised by the lining of the shaft
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- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02D—FOUNDATIONS; EXCAVATIONS; EMBANKMENTS; UNDERGROUND OR UNDERWATER STRUCTURES
- E02D31/00—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution
- E02D31/02—Protective arrangements for foundations or foundation structures; Ground foundation measures for protecting the soil or the subsoil water, e.g. preventing or counteracting oil pollution against ground humidity or ground water
- E02D31/025—Draining membranes, sheets or fabric specially adapted therefor, e.g. with dimples
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (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)
- Hydrology & Water Resources (AREA)
- Underground Structures, Protecting, Testing And Restoring Foundations (AREA)
Abstract
The invention discloses a drainage and leakage-proof underground valve well structure which comprises an underground valve well, a composite cover plate and a drainage and leakage-proof system. The underground valve well is of a reinforced concrete structure and comprises a bottom plate, a side wall, a top plate, a crawling ladder and a machine pier. The composite cover plate is positioned at the orifice part of the top plate of the underground valve well and comprises a movable cover plate, an anti-seepage geomembrane, a diamond yarn gasket and a hand hole, wherein the movable cover plate is a stressed structure at the orifice part of the top plate and is provided with the hand hole so as to be opened manually; the anti-seepage geomembrane is positioned at the lower part of the movable cover plate and is of a water seepage prevention structure at an orifice; the diamond yarn gasket is positioned at the lower part of the anti-seepage geomembrane and is an anti-seepage geomembrane supporting structure. The waterproof leakage system comprises a water collecting tank, a water retaining ridge, a downpipe, a water collecting well, a submersible pump and a drain pipe, and can automatically collect and timely discharge leakage water in the underground valve well. The underground valve well has the functions of water collection and leakage prevention, can avoid land use limitation, is convenient to operate and overhaul, and improves the applicability of the underground valve well.
Description
Technical Field
The invention relates to an underground valve well structure in water conservancy and municipal engineering, in particular to a drainage leakage-proof underground valve well structure which is arranged on the top of the underground and flush with the ground surface due to land use limitation in water guide and supply engineering.
Background
In water conservancy and municipal drainage and supply engineering, water quantity control, drainage maintenance and flow monitoring are important contents of engineering operation management and scheduling, and equipment such as a control valve, a maintenance valve, a drainage valve, a flow meter and the like are usually required to be arranged at proper positions on an underground buried pipe, and an underground valve well is arranged to protect the equipment.
Underground valve well is for preventing to ooze the infiltration and get into and lead to valve well internal electrical equipment trouble, generally adopts reinforced concrete structure, and bottom plate and side wall adopt impervious concrete, and the side wall top is according to setting up according to 15 ~ 20cm higher than ground to set up upper portion management room and bridge crane and maintain the maintenance to equipment, at this moment, there is not the difficulty in underground valve well drainage leak protection.
However, due to the difficulty of policy handling or the limitation of land use, when the position of the underground valve well cannot be assessed and the upper management room cannot be arranged, the valve well is often provided with a top plate to be fully closed, and a movable cover plate is arranged above the equipment to be used as an equipment lifting hole and an equipment manhole. At the moment, the reserved hole opening of the underground valve well top plate adopts an integral steel cover plate, and the well ring adopts a flanging structure with a raised inner ring or is provided with rubber water stop, so that rainwater can be still prevented from entering. However, the whole steel cover plate is heavy in weight and difficult to hoist, a special crane is usually required for operation, and the problems of inconvenience in operation management and high renting and operating cost of hoisting equipment exist for an underground valve well with frequent overhaul requirements. If the weight of a single cover plate is reduced by adopting the block movable cover plate, the aim of conveniently opening the cover plate by manpower to overhaul can be achieved, but rainfall leakage among the parting joints of the cover plate is difficult to avoid entering an underground valve well, electromechanical equipment under an orifice is easy to cause water spraying corrosion and even breaks down, and operation accidents can be caused in serious cases. In some places, such as city square, parking area, underground valve well does not allow to exceed ground, and when adopting the piecemeal apron, except the rainfall, the earth's surface catchment also can follow the apron seam and get into underground valve well, aggravates the difficult of underground valve well drainage leak protection.
Disclosure of Invention
The invention aims to solve the problem that drainage and leakage prevention are difficult when an underground valve well with the top flush with the ground surface is of a block movable cover plate structure due to land use limitation, and provides a drainage and leakage prevention underground valve well structure.
The technical scheme adopted by the invention is as follows:
a drainage leakage-proof underground valve well structure comprises an underground valve well, a composite cover plate and a drainage leakage-proof system. The underground valve well is positioned on an underground pipeline and is a protective container of electromechanical equipment on a steel pipe communicated with the underground pipeline, adopts a reinforced concrete structure and comprises a bottom plate, a side wall and a top plate; the bottom plate is positioned at the bottom of the underground valve well, the side walls are soil retaining structures around the underground valve well, and the top plate is positioned at the top of the underground valve well; the composite cover plate is positioned at an orifice part of a top plate of the underground valve well and is opened when equipment maintenance or personnel enter and exit the underground valve well; the drainage and leakage-proof system is positioned in the underground valve well and is a pipeline system for collecting and discharging leakage water.
Further, the underground valve well further comprises a ladder stand and a machine pier; the crawling ladder is positioned on the side wall, so that people can conveniently enter and overhaul; the machine pier is positioned on the bottom plate and used for supporting electromechanical equipment in the underground valve well.
Furthermore, a water collecting well is locally arranged on the bottom plate.
And furthermore, a water stop ring is arranged when the steel pipe passes through the side wall of the underground valve well.
Further, the top plate is of a cast-in-place concrete beam plate structure, and an opening is reserved right above the electromechanical equipment so as to be used as a lifting channel when the electromechanical equipment is overhauled.
Further, the composite cover plate comprises a movable cover plate, an anti-seepage geomembrane, a diamond yarn gasket and a hand hole; the movable cover plate is a stressed structure at the orifice part of the top plate and can adopt a stone plate; the movable cover plate is provided with a hand hole for manual opening; the anti-seepage geomembrane is positioned at the lower part of the movable cover plate, the diamond yarn gasket is positioned at the lower part of the anti-seepage geomembrane, the anti-seepage geomembrane is manufactured by fixing the diamond yarn net piece by adopting plastic steel edge sealing, has certain rigidity, and is an anti-seepage geomembrane supporting structure for preventing the upper part of the anti-seepage geomembrane from deforming downwards after water collection. The anti-seepage geomembrane is laid on the whole surface of the diamond yarn gasket at the orifice, and four sides are fixed on the diamond yarn gasket by adopting long tail clamps to form an orifice rainwater leakage prevention structure;
further, waterproof seepage system includes water catch bowl, manger plate bank, pipe in the water, sump pit, immersible pump and drain pipe. The water collecting tank is positioned on a top plate of the underground valve well, is arranged on four sides of the hole opening and is used for collecting leakage water collected by the anti-seepage geomembrane; the water retaining bank is positioned on the side of the water collecting tank close to the orifice, is of a reinforced concrete structure with angle iron covered edges and is also used as a supporting structure of the composite cover plate; the downpipe is positioned in the side wall of the underground valve well, adopts a galvanized steel pipe and is used for transmitting accumulated water in the water collecting tank to the water collecting well; the water collecting well is positioned on the bottom plate of the underground valve well, is a water leakage container in the underground valve well, and is internally provided with a submersible pump and a limit meter; the submersible pump is positioned in the water collecting well, is used for pumping and draining the leakage water in the water collecting well, can automatically start draining after the water level in the water collecting well reaches a certain depth according to the information fed back by the limit gauge, and automatically stops pumping after the water level is reduced to the certain depth; the drain pipe is a drain pipe behind the submersible pump, adopts a PE pipe, is locally positioned in the side wall and is an outer drainage channel for seepage water in the water collecting well.
Furthermore, the movable cover plate can also be made of reinforced concrete precast slabs and four sides of the movable cover plate are wrapped by angle steel.
Furthermore, the submersible pump can be provided with one or more submersible pumps, so that the submersible pump can be used for one purpose and one spare pump, and the drainage safety guarantee is improved.
The invention has the beneficial effects that:
1. avoiding the limitation of land utilization. This structure sets up prevention of seepage geomembrane, buddha's warrior attendant yarn gasket in drill way position removable cover lower part, has avoided the interior rainwater seepage of valve well and has collected outer row problem to can flush the setting with the earth's surface with the valve well roof, reduce the policy processing degree of difficulty of land used.
2. The operation and maintenance are convenient. The composite partitioned cover plate is small in weight and convenient to open, the anti-seepage geomembrane and the diamond yarn gaskets on the lower portion are light and reusable structures, and the composite partitioned cover plate is convenient to open in a maintenance period.
Drawings
FIG. 1 is a floor plan of an embodiment of the present invention;
FIG. 2 is a cross-sectional view A-A of FIG. 1;
FIG. 3 is a cross-sectional view taken along line B-B of FIG. 1;
FIG. 4 is a cross-sectional view C-C of FIG. 1;
FIG. 5 is a detailed structural view of a removable cover panel of an embodiment of the present invention;
fig. 6 is a detailed structural view of a diamond yarn shim according to an embodiment of the present invention.
In the figure: 1-underground valve wells; 11-a base plate; 12-side walls; 13-a top plate; 14-climbing a ladder; 15-machine heading; 2-a composite cover plate; 21-a removable cover plate; 22-impermeable geomembrane; 23-diamond yarn shim; 23 a-plastic steel edge sealing; 23 b-diamond gauze mesh; 24-hand hole; 3-a drainage leakage-proof system; 31-a water collecting tank; 32-water retaining ridge; 33-a downpipe; 34-a water collecting well; 35-a submersible pump; 36-a drain pipe; 4-a steel pipe; 5-electromechanical devices.
Detailed Description
The present invention will be described in further detail with reference to the accompanying drawings.
As shown in fig. 1 to 6, the invention relates to a drainage and leakage-proof underground valve well structure, which comprises an underground valve well 1, a composite cover plate 2 and a drainage and leakage-proof system 3. The underground valve well 1 is a container of electromechanical equipment 5 on a steel pipe 4, is of a reinforced concrete structure and comprises a bottom plate 11, a side wall 12, a top plate 13, a ladder stand 14 and a machine pier 15. The bottom plate 11 is positioned at the bottom of the underground valve well 1, and a water collecting well 34 is locally arranged; the side wall 12 is a soil retaining structure around the underground valve well 1, and a water stop ring is arranged when the steel pipe 4 passes through the side wall 12 of the underground valve well 1; the top plate 13 is positioned at the top of the underground valve shaft 1 and is of a cast-in-place concrete beam plate structure, but an orifice is reserved right above the electromechanical equipment 5 so as to be used as a hoisting channel when the electromechanical equipment 5 is overhauled; the crawling ladder 14 is positioned on the side wall 12, so that people can conveniently enter and overhaul; a pier 15 is located on the floor 11 for supporting the electromechanical device 5 within the underground valve well 1.
The composite cover plate 2 is positioned at the orifice part of the top plate 13 of the underground valve well 1 and comprises a movable cover plate 21, an impermeable geomembrane 22, a diamond yarn gasket 23 and a hand hole 24. The movable cover plate 21 is a stress structure at the orifice part of the top plate 13 and can adopt a stone plate; the movable cover plate 21 is provided with a hand hole 24 for manual opening; the anti-seepage geomembrane 22 is positioned at the lower part of the movable cover plate 21, is laid on the surface of the diamond yarn gasket 23 at the orifice, and is of an orifice rainwater leakage prevention structure, and the four sides of the anti-seepage geomembrane are fixed on the diamond yarn gasket 23 by adopting long-tail clamps; the diamond yarn gasket 23 is positioned at the lower part of the anti-seepage geomembrane 22, is made of a plastic steel edge sealing 23a for fixing a diamond yarn net sheet 23b, has certain rigidity, is a supporting structure of the anti-seepage geomembrane 22, and prevents the upper part of the anti-seepage geomembrane 22 from deforming downwards after water collection.
The water leakage prevention system 3 includes a water collection tank 31, a water retaining bank 32, a downpipe 33, a water collection well 34, a submersible pump 35, and a drain pipe 36. The water collecting tank 31 is positioned on the top plate 13 of the underground valve well 1, is arranged at four sides of the hole opening and is used for collecting the leakage water collected by the anti-seepage geomembrane 22; the water retaining bank 32 is positioned on the side of the water collecting tank 31 close to the orifice, is of a reinforced concrete structure with angle iron covered edges and is also used as a support structure of the composite cover plate 2; the downpipe 33 is positioned in the side wall 12 of the underground valve well 1, and is made of galvanized steel pipes and used for conveying accumulated water in the water collecting tank 31 to the water collecting well 34; the water collecting well 34 is positioned on the bottom plate 11 of the underground valve well 1, is a water leakage container in the underground valve well 1, and is internally provided with a submersible pump 35 and a limit meter; the submersible pump 35 is positioned in the water collecting well 34 and is used for pumping and draining leakage water in the water collecting well 34, automatically starting to drain when the water level in the water collecting well 34 reaches a certain depth according to information fed back by the limit meter, and automatically stopping the pump when the water level is reduced to the certain depth; the drainage pipe 36 is a drainage pipe behind the submersible pump 35, is made of PE pipe, is locally positioned in the side wall 12, and is a drainage channel for water seepage in the water collecting well 34.
The movable cover plate 21 can also be made of reinforced concrete precast slabs and four sides of which are wrapped by angle steels.
One or more submersible pumps 35 can be arranged to improve the safety guarantee of drainage.
The above embodiments are described in connection with the accompanying drawings, but the present invention is not limited thereto, and it should be noted that, for those skilled in the art, the technical solutions obtained by equivalent replacement or equivalent change without departing from the spirit of the present invention, and all of them belong to the protection scope of the present invention.
Claims (8)
1. The utility model provides a drainage leak protection underground valve well structure which characterized in that: the underground valve well drainage system comprises an underground valve well, a composite cover plate and a drainage leakage-proof system; the underground valve well is positioned on an underground buried pipeline, is a protective container of electromechanical equipment on a steel pipe communicated with the underground buried pipeline, adopts a reinforced concrete structure and comprises a bottom plate, a side wall and a top plate; the bottom plate is positioned at the bottom of the underground valve well, the side walls are soil retaining structures around the underground valve well, and the top plate is positioned at the top of the underground valve well; the composite cover plate is positioned at an orifice part of a top plate of the underground valve well and is opened when equipment is overhauled or personnel enters and exits the underground valve well; the drainage and leakage prevention system is positioned in the underground valve well and is a pipeline system for collecting and discharging leakage water.
2. A drain leak proof subterranean valve well structure according to claim 1, wherein: the composite cover plate comprises a movable cover plate, an anti-seepage geomembrane, a diamond yarn gasket and a hand hole; the movable cover plate is a stressed structure at the orifice part of the top plate, and a hand hole is formed in the movable cover plate so as to be opened manually; the anti-seepage geomembrane is positioned at the lower part of the movable cover plate, the diamond yarn gasket is positioned at the lower part of the anti-seepage geomembrane, and the anti-seepage geomembrane is manufactured by fixing a diamond yarn net sheet by adopting a plastic steel edge sealing, is a supporting structure of the anti-seepage geomembrane and prevents the upper part of the anti-seepage geomembrane from deforming downwards after water is collected; the anti-seepage geomembrane is laid on the whole surface of the diamond yarn gasket at the orifice, and four sides are fixed on the diamond yarn gasket by adopting long tail clamps to form an orifice rainwater leakage prevention structure;
the water leakage prevention system comprises a water collecting tank, a water retaining ridge, a downpipe, a water collecting well, a submersible pump and a drain pipe; the water collecting tank is positioned on the top plate of the underground valve well, is arranged on four sides of the hole opening and is used for collecting leakage water collected by the anti-seepage geomembrane; the water retaining bank is positioned on the side of the water collecting tank close to the orifice, is of a reinforced concrete structure with angle iron covered edges and is also used as a supporting structure of the composite cover plate; the downpipe is positioned in the side wall of the underground valve well, adopts a galvanized steel pipe and is used for transmitting accumulated water in the water collecting tank to the water collecting well; the water collecting well is positioned on the bottom plate of the underground valve well, is a water leakage container in the underground valve well, and is internally provided with a submersible pump and a limit meter; the submersible pump is positioned in the water collecting well, is used for pumping and draining the leakage water in the water collecting well, can automatically start draining after the water level in the water collecting well reaches a certain depth according to the information fed back by the limit gauge, and automatically stops pumping after the water level is reduced to the certain depth; the drain pipe is a drain pipe behind the submersible pump, adopts a PE pipe, is locally positioned in the side wall and is a water seepage and drainage channel in the water collecting well.
3. A drain leak proof subterranean valve well structure according to claim 1, wherein: the underground valve well further comprises a ladder stand and a machine pier; the crawling ladder is positioned on the side wall so as to be convenient for people to enter and overhaul; the machine pier is positioned on the bottom plate and used for supporting electromechanical equipment in the underground valve well.
4. A drainage leak proof underground valve well structure according to claim 1, wherein: and a water collecting well is arranged on the local part of the bottom plate.
5. A drain leak proof subterranean valve well structure according to claim 1, wherein: and a water stop ring is arranged when the steel pipe passes through the side wall of the underground valve well.
6. A drain leak proof subterranean valve well structure according to claim 1, wherein: the top plate is of a cast-in-place concrete beam plate structure, and an orifice is reserved right above the electromechanical equipment so as to be used as a lifting channel when the electromechanical equipment is overhauled.
7. A drain leak proof subterranean valve well structure according to claim 2, wherein: the movable cover plate is made of a reinforced concrete precast slab, and four sides of the movable cover plate are wrapped with angle steels or made of stone slabs.
8. A drain leak proof subterranean valve well structure according to claim 2, wherein: one or more submersible pumps are arranged.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211120366.3A CN115387388A (en) | 2022-09-15 | 2022-09-15 | Underground valve well structure capable of draining water and preventing leakage |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202211120366.3A CN115387388A (en) | 2022-09-15 | 2022-09-15 | Underground valve well structure capable of draining water and preventing leakage |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN115387388A true CN115387388A (en) | 2022-11-25 |
Family
ID=84126991
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202211120366.3A Pending CN115387388A (en) | 2022-09-15 | 2022-09-15 | Underground valve well structure capable of draining water and preventing leakage |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN115387388A (en) |
-
2022
- 2022-09-15 CN CN202211120366.3A patent/CN115387388A/en active Pending
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