CN217630099U - Waterproof construction structure of cable inspection well - Google Patents
Waterproof construction structure of cable inspection well Download PDFInfo
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- CN217630099U CN217630099U CN202221863560.6U CN202221863560U CN217630099U CN 217630099 U CN217630099 U CN 217630099U CN 202221863560 U CN202221863560 U CN 202221863560U CN 217630099 U CN217630099 U CN 217630099U
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- side wall
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Abstract
The utility model relates to a waterproof construction structure of cable inspection well, including bottom plate and side wall, the bottom plate with the side wall encloses into the inspection chamber, be provided with the inlet wire poling and be qualified for the next round of competitions poling on the side wall, the top of side wall is provided with the well lid; the ground outside at side wall top is provided with the slope, the slope is towards the side wall downward sloping, be provided with the water catch bowl between slope bottom and the side wall, the water catch bowl encircles the side wall, and the height that port was gone up to the water catch bowl equals or is less than slope bottom height, the bottom of water catch bowl is connected with the drain pipe, the top of water catch bowl is provided with the support orifice plate that covers water catch bowl and slope. When rainwater etc. flow near cable inspection well, can be through supporting through-hole on the orifice plate downward flow to slope and water catch bowl, water on the slope also can flow to the water catch bowl, then arrange to near secret drainage facility through the drain pipe, just avoided the rainwater to flow to the well lid edge, reduced the risk that well lid edge intake.
Description
Technical Field
The utility model belongs to cable inspection shaft field, especially a waterproof construction structure of cable inspection shaft.
Background
At present, during the construction of large-scale electrical equipment, cables are all buried underground through cable trenches, in order to facilitate the maintenance of the cables, a certain number of cable inspection wells need to be arranged along the cable trenches, the existing cable inspection wells are shown in fig. 1, an inspection cavity 3 is defined by a bottom plate 1 and a side wall 2, an inlet wire through pipe 4 and an outlet wire through pipe 5 are arranged on the side wall 2, the cables enter the inspection cavity through the inlet wire through pipe 4, and the cables enter the external cable trenches through the outlet wire through pipe 5. In order to prevent the cable from being soaked in water, a drainage facility such as a water tank 6 or a drainage pipe is generally provided on the upper surface of the base plate 1. The top of side wall 2 is provided with well lid 7, and generally speaking, well lid 7 flushes with ground, and during the rainy day, the rainwater on ground gets into inspection chamber 3 through well lid 7 and side wall 2's fit clearance easily, leads to ponding to appear in inspection chamber 3, is unfavorable for the safety of assurance cable.
SUMMERY OF THE UTILITY MODEL
The utility model aims to solve the technical problem that a cable inspection shaft waterproof construction structure is provided, can prevent effectively that the rainwater on ground etc. from getting into the inspection chamber through the fit clearance at well lid edge, improve waterproof ability.
In order to solve the above problem, the utility model adopts the technical scheme that: the waterproof construction structure of the cable inspection well comprises a bottom plate and a side wall, wherein an inspection cavity is defined by the bottom plate and the side wall, an incoming line through pipe and an outgoing line through pipe are arranged on the side wall, and a well cover is arranged at the top of the side wall;
the ground outside at side wall top is provided with the slope, the slope is towards the side wall downward sloping, be provided with the water catch bowl between slope bottom and the side wall, the water catch bowl encircles the side wall, and the height that port was gone up to the water catch bowl equals or is less than slope bottom height, the bottom of water catch bowl is connected with the drain pipe, the top of water catch bowl is provided with the support orifice plate that covers water catch bowl and slope.
Further, the bottom plate is made of concrete, and the side walls are bricked.
Further, the top of lateral wall is provided with the concrete supporting layer, the well lid is installed in the concrete supporting layer.
Furthermore, a support boss is pre-buried in the outer side of the concrete support layer, and the edge of the support hole plate is mounted on the support boss through a bolt.
Further, the inboard of concrete supporting layer is provided with supports the step, the well lid by support the step and support, just the well lid with it fills up to be provided with between the step to support.
Further, the surface of the slope is provided with a mortar layer.
Further, the well lid is the chlorinated polyvinyl chloride lid, the water catch bowl is the chlorinated polyvinyl chloride groove.
Further, the upper surface of the concrete supporting layer is inclined downward toward the water collection tank.
Furthermore, a water tank is arranged on the upper surface of the bottom plate.
Furthermore, the drain pipe comprises a vertical pipe and a horizontal pipe, the horizontal pipe is horizontally embedded at one side of the bottom plate, and the water tank is communicated with the horizontal pipe; the upper end of the vertical pipe is communicated with the water collecting tank, and the lower end of the vertical pipe is communicated with the transverse pipe.
The beneficial effects of the utility model are that: when rainwater etc. flow near to the cable inspection shaft, can downwards flow to slope and water catch bowl through the through-hole on the support orifice plate, water on the slope also can flow to the water catch bowl, then arrange to near secret drainage facility through the drain pipe, just avoided the rainwater to flow to the well lid edge, reduced the risk that the well lid edge was intake.
Drawings
FIG. 1 is a prior art schematic;
fig. 2 is a schematic front sectional view of the present invention;
reference numerals: 1-a bottom plate; 2, side wall; 3-inspection chamber; 4, leading in a wire to penetrate through a pipe; 5, leading out a wire and penetrating the wire; 6, a water tank; 7, well cover; 8, a water collecting tank; 9-slope; 10-a drain pipe; 11-supporting the orifice plate; 12-a concrete supporting layer; 13-supporting the boss; 14-supporting a step; 15-sealing gasket.
Detailed Description
The present invention will be further described with reference to the accompanying drawings and examples.
The utility model discloses a waterproof construction structure of cable inspection shaft, as shown in fig. 2, including bottom plate 1 and side wall 2, bottom plate 1 encloses into inspection chamber 3 with side wall 2, is provided with inlet wire poling 4 and outlet wire poling 5 on side wall 2, and the top of side wall 2 is provided with well lid 7.
The inspection cavity 3 can be a cavity with a circular cross section and a rectangular cross section, when the inspection cavity 3 is a circular cavity, the bottom plate 1 is circular, the side wall 2 is circular, and when the inspection cavity 3 is a rectangular cavity, the bottom plate 1 is rectangular and the side wall 2 is rectangular. The bottom plate 1 is made of concrete plates, and the side walls 2 can be concrete walls, preferably brick walls. The incoming line poling 4 and the outgoing line poling 5 are used for the incoming and outgoing of cables, the incoming line poling 4 and the outgoing line poling 5 are both stainless steel pipes, and PVC pipelines can also be adopted.
The ground in the outside at 2 tops of side wall is provided with slope 9, and slope 9 is towards 2 downward sloping of side wall, is provided with water catch bowl 8 between 9 bottoms of slope and the side wall 2, and water catch bowl 8 encircles side wall 2, and the height that highly equals or is less than 9 bottom height of slope of port on the water catch bowl 8, and the bottom of water catch bowl 8 is connected with drain pipe 10, and the top of water catch bowl 8 is provided with the support orifice plate 11 that covers water catch bowl 8 and slope 9.
The drain pipe 10 is communicated with a nearby underground drainage facility for draining the water in the water collecting tank 8 into the drainage facility, and the drain pipe 10 may be a stainless steel pipe or a PVC pipe. Support orifice plate 11 can adopt corrosion resistant plate or chlorinated polyvinyl chloride board, be provided with a plurality of tiny through-holes on the support orifice plate 11, when water flows to support orifice plate 11, water can flow to water catch bowl 8 or slope 9 through the through-hole downflow, and the water that flows to slope 9 can flow to water catch bowl 8 along slope 9 downflow, consequently, when water on the ground flows near the cable inspection shaft, can get into water catch bowl 8, and can not flow to well lid 7, thereby prevent that water from the edge of well lid 7 from flowing into inspection chamber 3, improve the security of cable.
But well lid 7 direct mount is in the top of side wall 2, and is preferred, and the top of side wall 2 is provided with concrete supporting layer 12, and well lid 7 is installed in concrete supporting layer 12. The concrete supporting layer 12 covers the side wall 2 and part of the inspection cavity 3, a manhole for people to enter and exit is arranged in the middle of the concrete supporting layer 12, and the well cover 7 is arranged in the manhole. The concrete supporting layer 12 is embedded with steel bars, so that the strength can be improved. The coverage area of the concrete supporting layer 12 is large, the upper surface of the concrete supporting layer 12 is set to be an inclined plane, namely, the upper surface of the concrete supporting layer 12 inclines downwards towards the water collecting tank 8, and when raining, rainwater falling on the upper surface of the concrete supporting layer 12 can flow downwards to the water collecting tank 8. The inclination angle of the upper surface of the concrete support layer 12 may be 2 to 3 degrees.
In order to facilitate installation of the well lid 7 and the support pore plate 11, a support boss 13 is pre-buried on the outer side surface of the concrete support layer 12, the support boss 13 is an inverted L-shaped stainless steel block, the edge of one side of the support pore plate 11 is installed on the support boss 13 through a bolt, and the edge of the other side of the support pore plate is fixed on the ground through a buried bolt. The inboard of concrete supporting layer 12 is provided with supports step 14, and well lid 7 is supported by supporting step 14, and is provided with sealed the pad 15 between well lid 7 and the support step 14, and sealed pad 15 can adopt the rubber pad to improve the leakproofness, prevent the infiltration water.
In order to prevent the slope 9 from deforming after being washed by water, a mortar layer is arranged on the surface of the slope 9, and the thickness of the mortar layer is about 20 mm.
Well lid 7 can adopt the metal covering, and water catch bowl 8 can adopt the stainless steel groove, PVC groove etc. and preferably, well lid 7 adopts chlorinated polyvinyl chloride lid, and water catch bowl 8 adopts chlorinated polyvinyl chloride groove. Chlorinated polyvinyl chloride (CPVC) has high strength, corrosion resistance and long service life.
The edge of well lid 7 is difficult to realize totally sealedly, is difficult to avoid having a small amount of water to get into the inspection shaft, consequently, is provided with basin 6 at the upper surface of bottom plate 1 for collect the water that gets into the inspection shaft, the upper surface of bottom plate 1 can have certain gradient, sets up basin 6 in the lower extreme of bottom plate 1 upper surface, in order to guarantee that water can all flow into basin 6.
In order to facilitate discharging water in the water tank 6, the drain pipe 10 comprises a vertical pipe and a horizontal pipe, the horizontal pipe is horizontally embedded at one side of the bottom plate 1, and the water tank 6 is communicated with the horizontal pipe through a pipeline; the upper end of the vertical pipe is communicated with the water collecting tank 8, and the lower end of the vertical pipe is communicated with the horizontal pipe. The water in the water collecting tank 8 flows to the transverse pipe through the vertical pipe, the water in the water tank 6 can also flow to the transverse pipe, and the transverse pipe is communicated with the nearby underground drainage facility and can discharge the water outwards. The utility model discloses can avoid the water level in the basin 6 too high.
The utility model discloses a work progress does:
excavating a foundation pit, then embedding a transverse pipe, and connecting a vertical pipe on the transverse pipe.
Tamping the bottom of the foundation pit, then pouring the bottom plate 1 by adopting C15 concrete, wherein the pouring thickness of the bottom plate 1 is 200mm, a proper interval is left between the edge of the bottom plate 1 and the side wall of the foundation pit, reserving a water tank 6 during pouring, and embedding a pipeline communicating the water tank 6 with a transverse pipe.
And after the strength of the bottom plate 1 reaches the design requirement, the construction of the side wall 2 can be carried out. When in construction, cement mortar with the thickness of about 20mm is firstly coated on the upper surface of the bottom plate 1, then the construction is carried out by adopting the baked bricks, the side wall 2 is supported by the bottom plate 1, and the construction thickness of the side wall 2 is about 240 mm. When the side wall 2 is built, the inlet wire through pipe 4 and the outlet wire through pipe 5 are embedded at a proper height, and the inlet wire through pipe 4 and the outlet wire through pipe 5 can be coaxial or mutually vertical and are determined according to the laying trend of cables. The distance between the bottoms of the incoming line through pipe 4 and the outgoing line through pipe 5 and the bottom plate 1 is not less than 300mm, so that the cables are prevented from being submerged by accumulated water. After the side wall 2 is constructed, cement mortar is coated on the surface.
And (3) building a template and a reinforcing mesh on the top of the side wall 2, then pouring a concrete supporting layer 12, and respectively embedding a supporting boss 13 and a supporting step 14 on the outer side surface and the inner side surface of the concrete supporting layer 12 in advance during pouring.
And backfilling soil between the side wall 2 and the side wall of the foundation pit, placing the water collecting tank 8 on the surface of the backfilled soil when the height of the backfilled soil reaches a proper position, backfilling, fixing the water collecting tank 8, and forming a slope 9 on one side of the water collecting tank 8 far away from the side wall 2.
A layer of mortar is applied to the ramp 9.
And laying cables.
The well lid 7 is arranged on the supporting step 14, one side edge of the supporting hole plate 11 is arranged on the supporting boss 13 through a bolt, and the other side edge is fixed on the ground through a buried bolt.
When the inspection chamber 3 needs to be accessed, the well cover 7 is opened.
The above description is only a preferred embodiment of the present invention and is not intended to limit the present invention, and various modifications and changes may be made by those skilled in the art. Any modification, equivalent replacement, or improvement made within the spirit and principle of the present invention should be included in the protection scope of the present invention.
Claims (10)
1. The waterproof construction structure of the cable inspection well comprises a bottom plate (1) and a side wall (2), wherein an inspection cavity (3) is defined by the bottom plate (1) and the side wall (2), an incoming line through pipe (4) and an outgoing line through pipe (5) are arranged on the side wall (2), and a well cover (7) is arranged at the top of the side wall (2);
the method is characterized in that: the ground in the outside at side wall (2) top is provided with slope (9), slope (9) are towards side wall (2) downward sloping, be provided with water catch bowl (8) between slope (9) bottom and side wall (2), water catch bowl (8) encircle side wall (2), and the height of port equals or is less than slope (9) bottom height on water catch bowl (8), the bottom of water catch bowl (8) is connected with drain pipe (10), the top of water catch bowl (8) is provided with support orifice plate (11) that covers water catch bowl (8) and slope (9).
2. The waterproof construction structure of a cable manhole according to claim 1, wherein: the bottom plate (1) is a concrete plate, and the side walls (2) are brick walls.
3. The waterproof construction structure of a cable manhole according to claim 2, wherein: the top of side wall (2) is provided with concrete support layer (12), well lid (7) are installed in concrete support layer (12).
4. The waterproof construction structure of a cable manhole according to claim 3, wherein: the outer side of the concrete support layer (12) is pre-buried and provided with a support boss (13), and the edge of the support pore plate (11) is installed on the support boss (13) through bolts.
5. The waterproof construction structure of a cable manhole according to claim 3, wherein: the inboard of concrete supporting layer (12) is provided with supports step (14), well lid (7) by support step (14) support, just well lid (7) with be provided with sealed pad (15) between support step (14).
6. The waterproof construction structure of a cable manhole according to claim 1, wherein: and a mortar layer is arranged on the surface of the slope (9).
7. The waterproof construction structure of a cable manhole according to claim 1, wherein: the well lid (7) is a chlorinated polyvinyl chloride lid, and the water collecting tank (8) is a chlorinated polyvinyl chloride tank.
8. The waterproof construction structure of a cable manhole according to claim 3, wherein: the upper surface of the concrete supporting layer (12) is inclined downwards towards the water collecting tank (8).
9. The waterproof construction structure of a cable manhole according to claim 1, wherein: the upper surface of the bottom plate (1) is provided with a water tank (6).
10. The waterproof construction structure of a cable manhole according to claim 9, wherein: the drain pipe (10) comprises a vertical pipe and a horizontal pipe, the horizontal pipe is horizontally embedded at one side of the bottom plate (1), and the water tank (6) is communicated with the horizontal pipe; the upper end of the vertical pipe is communicated with the water collecting tank (8), and the lower end of the vertical pipe is communicated with the transverse pipe.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221863560.6U CN217630099U (en) | 2022-07-19 | 2022-07-19 | Waterproof construction structure of cable inspection well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202221863560.6U CN217630099U (en) | 2022-07-19 | 2022-07-19 | Waterproof construction structure of cable inspection well |
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| Publication Number | Publication Date |
|---|---|
| CN217630099U true CN217630099U (en) | 2022-10-21 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202221863560.6U Active CN217630099U (en) | 2022-07-19 | 2022-07-19 | Waterproof construction structure of cable inspection well |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20240066574A (en) * | 2022-11-08 | 2024-05-16 | 주식회사 경호엔지니어링 종합건축사사무소 | Manhole loss prevention and management system |
-
2022
- 2022-07-19 CN CN202221863560.6U patent/CN217630099U/en active Active
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20240066574A (en) * | 2022-11-08 | 2024-05-16 | 주식회사 경호엔지니어링 종합건축사사무소 | Manhole loss prevention and management system |
| KR102667330B1 (en) * | 2022-11-08 | 2024-05-20 | 주식회사 경호엔지니어링 종합건축사사무소 | Manhole loss prevention and management system |
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