CN201485956U - Inspection well - Google Patents
Inspection well Download PDFInfo
- Publication number
- CN201485956U CN201485956U CN2009201703899U CN200920170389U CN201485956U CN 201485956 U CN201485956 U CN 201485956U CN 2009201703899 U CN2009201703899 U CN 2009201703899U CN 200920170389 U CN200920170389 U CN 200920170389U CN 201485956 U CN201485956 U CN 201485956U
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- Prior art keywords
- well
- building
- shaped notch
- baffle plate
- bar shaped
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- Expired - Fee Related
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Abstract
An inspection well comprises a well body and a well cover, wherein the well body consists of a well bottom and a well wall arranged on the well bottom, the upper end of the well body is provided with a wellhead, the well cover is covered on the wellhead, and a flowing pipeline connector is arranged on the well wall. The inspection well is characterized in that the well wall is provided with a bar-shaped notch for allowing a draining pipeline of a building to penetrate, and the bar-shaped notch is arranged along the vertical direction, a baffle plate is arranged on the outer side of the bar-shaped notch, and is installed on the draining pipeline of the building, and the inner surface of the baffle plate is tightly close to the outer lateral face of the well wall. In the use process of the inspection well, the draining pipeline and the baffle plate can not obstruct the inspection well to sink, when the indoor ground sinks, the following sinking of the inspection well can not damage the draining pipeline, therefore the inspection well can avoid damaging or cracking the draining pipeline of the building when the indoor ground sinks, realizes the self-protection of the draining pipeline of the building, enables the drainage of the building smoothly, avoids polluting environment by sewage, and reduces maintenance cost.
Description
Technical field
The utility model relates to a kind of manhole that is used for ground down blow drainage system.
Background technology
The manhole of ground down blow drainage system generally is made up of well body and well lid, the well body comprises the shaft bottom and is located at the borehole wall on the shaft bottom, the upper end of well body is provided with well head (well head is surrounded by the upper end of the borehole wall usually), well lid covers on well head, and the borehole wall is provided with at least one flow ipe interface and at least one effuser pipeline joint.The sewage that flows out from the blowdown drainage pipe of building enters manhole through the flow ipe interface, flows out to municipal administration ground down blow drainage system from the effuser pipeline joint then.
At present, as first manhole that building blowdown drainage pipe flows into, the flow ipe interface of this manhole is fixedlyed connected with the blowdown drainage pipe of building.Building main body settling amount is less because building (the especially civilian or industrial building of soft foundation) outdoor ground settling amount is big, so forms bigger differential settlement between outdoor ground and the building main body.Like this, when manhole was followed the outdoor ground sedimentation, the blowdown drainage pipe of the building well that just is subjected to an examination was pullled and is broken easily, so that sewage glows, and environment is polluted, and brings inconvenience for people's life; In addition, maintenance blowdown drainage pipe will expend great amount of manpower and material resources.
Summary of the invention
Technical problem to be solved in the utility model provides a kind of impaired manhole that breaks of blowdown drainage pipe of building can avoid the outdoor ground sedimentation time; this manhole can be realized the self-protection function of the blowdown drainage pipe of building, guarantees that building blowdown draining is unobstructed.The technical scheme that adopts is as follows:
A kind of manhole, comprise well body and well lid, the well body comprises the shaft bottom and is located at the borehole wall on the shaft bottom, the upper end of well body is provided with well head, well lid covers on well head, the borehole wall is provided with the effuser pipeline joint, it is characterized in that: the described borehole wall is provided with the bar shaped notch that the blowdown drainage pipe for building stretches into, and the bar shaped notch vertically is provided with; The outside of bar shaped notch is provided with baffle plate, and baffle plate is installed on the blowdown drainage pipe of building, and the inner surface of baffle plate is close to the lateral surface of the borehole wall.
During installation, the blowdown drainage pipe of building is in the bottom of bar shaped notch, and the blowdown drainage pipe is communicated with the well body of manhole, and the sewage of being discharged by the blowdown drainage pipe can enter the well body.Usually, the width of bar shaped notch is slightly larger than the external diameter of blowdown drainage pipe, makes the blowdown drainage pipe not hinder the sedimentation of manhole.The length of bar shaped notch should meet following requirement usually: when manhole reached the settling amount of maximum, the blowdown drainage pipe still was in (can estimate the maximum settlement amount of outdoor ground, serve as that the basis is designed the bar shaped notch with this predicted value) in the bar shaped notch.
The effect of above-mentioned baffle plate is that the bar shaped notch is covered in, thereby with the inner and outside separation of well body, prevents that the silt of well external body from entering the well body from the bar shaped notch.The position of baffle plate should meet following requirement usually: manhole not sedimentation reach in the whole process of maximum settling amount until manhole, baffle plate all can cover in the bar shaped notch; Particularly, should guarantee when manhole reaches maximum settling amount that baffle plate still can cover in bar shaped notch (promptly the lower end of baffle plate still is lower than the bottom of bar shaped notch at this moment).Should make the lateral surface of appropriate section on the inner surface of baffle plate and the borehole wall smooth smooth as far as possible, reducing the force of sliding friction between the baffle plate and the borehole wall, and make baffle plate be close to the borehole wall reposefully.
Above-mentioned baffle plate can adopt galvanized steel plain sheet, polyvinyl chloride panel, perhaps by steel plate and be compounded in the plastic clad sheet steel that the plastic layer on the surface of steel plate constitutes.Usually, can adopt thickness is the galvanized steel plain sheet of 1mm, and galvanized steel plain sheet is through preservative treatment (promptly all coating bitumen varinishes on the two sides of galvanized steel plain sheet); Also can adopt thickness is the polyvinyl chloride panel of 3mm, 4mm or 5mm; Also can adopt thickness is the plastic clad sheet steel of 1.5mm.
Preferably respectively be provided with a strip projected parts on the borehole wall of bar shaped notch both sides, strip projected parts and bar shaped notch are parallel to each other, and baffle plate is located between two strip projected parts.Like this, strip projected parts can shelter from the gap between the baffle plate and the borehole wall, prevents that silt from entering this gap, can prevent that silt from entering the well body by this gap on the one hand, can avoid the frictional force between the silt increase baffle plate and the borehole wall on the other hand, make baffle plate not hinder the sedimentation of manhole.Usually, the width of baffle plate is slightly less than the distance between the two strip projected parts inboards.
Preferred above-mentioned shaft bottom is provided with chute, and the bottom of bar shaped notch is communicated with the effuser pipeline joint by chute.
Because the bar shaped notch vertically is provided with (length direction that is the bar shaped notch is a vertical direction), reserve settlement space for the blowdown drainage pipe, therefore when manhole is followed the outdoor ground sedimentation, the blowdown drainage pipe of building relatively rises along the bar shaped notch, baffle plate then relatively upwards slides along the borehole wall, that is to say, blowdown drainage pipe and baffle plate be not with the manhole sedimentation, and blowdown drainage pipe and baffle plate do not hinder the sedimentation of manhole, and (force of sliding friction between the baffle plate and the borehole wall is with respect to settling capacity, be quite little), but manhole free settling.This shows; during the outdoor ground sedimentation; the sedimentation of following of manhole can not produce destructive power to the blowdown drainage pipe of building; impaired the breaking of blowdown drainage pipe of building when therefore this manhole can be avoided the outdoor ground sedimentation; realize the self-protection function of the blowdown drainage pipe of building, make building blowdown draining unobstructed, avoid the sewage pollution environment; guarantee that the building surrounding enviroment are good, and can reduce maintenance cost.The utility model is particularly suitable for the civilian or industrial building of soft foundation, first manhole that flows into as the blowdown drainage pipe of building.
Description of drawings
Fig. 1 is the structural representation of the utility model preferred embodiment;
Fig. 2 is the left view of Fig. 1;
Fig. 3 is the A-A sectional view of Fig. 1.
The specific embodiment
Shown in Figure 3 as Fig. 1 one, this manhole comprises well body and well lid 1; The well body comprises the shaft bottom and is located at the borehole wall 2 on the shaft bottom, and the shaft bottom comprises plain concrete layer 3 and is located at base plate 4 above the plain concrete layer 3; The upper end of well body (being the borehole wall 2 upper ends) is provided with manhole cover base 5, and manhole cover base 5 is provided with well head 6, and well lid 1 covers on well head 6.
The bar shaped notch 9 that the borehole wall 2 is provided with effuser pipeline joint 7 and stretches into for the blowdown drainage pipe 8 of building, bar shaped notch 9 vertically is provided with.During installation, the blowdown drainage pipe 8 of building is in the bottom of bar shaped notch 9, and blowdown drainage pipe 8 is communicated with the well body of manhole, and the width of bar shaped notch 9 is slightly larger than the external diameter of blowdown drainage pipe 8; Effuser pipeline joint 7 connects outflow pipeline 13.
The outside of bar shaped notch 9 is provided with baffle plate 10, and baffle plate 10 is installed on the blowdown drainage pipe 8 of building, and the inner surface of baffle plate 10 is close to the lateral surface of the borehole wall 2.Baffle plate 10 covers in bar shaped notch 9, thereby with the inner and outside separation of well body.Baffle plate 10 can adopt galvanized steel plain sheet, polyvinyl chloride panel, perhaps by steel plate and be compounded in the plastic clad sheet steel that the plastic layer on the surface of steel plate constitutes, for example: it is the galvanized steel plain sheet of 1mm that baffle plate 10 can adopt thickness, and galvanized steel plain sheet is through preservative treatment (promptly all coating bitumen varinishes on the two sides of galvanized steel plain sheet); Also can adopt thickness is the polyvinyl chloride panel of 3mm, 4mm or 5mm; Also can adopt thickness is the plastic clad sheet steel of 1.5mm.
Respectively be provided with a strip projected parts 11 on the borehole wall 2 of bar shaped notch 9 both sides, strip projected parts 11 is parallel to each other with bar shaped notch 9, and baffle plate 10 is located between two strip projected parts 11.Strip projected parts 11 can shelter from the gap between the baffle plate 10 and the borehole wall 2, prevents that silt from entering this gap.The width of baffle plate 10 is slightly less than the distance between two strip projected parts, 11 inboards.
This manhole is as first manhole of blowdown drainage pipe 8 inflows of building, and the borehole wall 2 is provided with a side of bar shaped notch 9 towards building, and the blowdown drainage pipe 8 of building stretches into bar shaped notch 9.Built on stilts for prevent that blowdown drainage pipe 8 from forming under the situation of foundation settlement, under the self gravitation effect and break, stretch out the protection (blowdown drainage pipe 8 can be erected at above the cushion cap (or grade beam) 12, or do built-in fitting and carry out indirect securement) that should fix earlier of the outer horizontal blowdown drainage pipe 8 of building; In addition, blowdown drainage pipe 8 stretches out cushion cap (or grade beam) 12 outer peripheral length and should control within the specific limits (being located in building external distance cushion cap or the grade beam 120cm scope as manhole).
When manhole is followed the outdoor ground sedimentation, the blowdown drainage pipe 8 of building and baffle plate 10 are supported by cushion cap (or grade beam) 12 and not with the manhole sedimentation, this moment, the blowdown drainage pipe 8 of building relatively rose along bar shaped notch 9, and 10 on baffle plate relatively upwards slides along the borehole wall 2.Because bar shaped notch 9 vertically is provided with, and the width of bar shaped notch 9 is slightly larger than the external diameter of blowdown drainage pipe 8, therefore blowdown drainage pipe 8 and baffle plate 10 do not hinder the sedimentation of manhole (force of sliding friction between the baffle plate 10 and the borehole wall 2 are with respect to settling capacity, be quite little), but manhole free settling.This shows that when the outdoor ground sedimentation, the sedimentation of following of manhole can not produce destructive power to the blowdown drainage pipe 8 of building.
Claims (3)
1. manhole, comprise well body and well lid, the well body comprises the shaft bottom and is located at the borehole wall on the shaft bottom, the upper end of well body is provided with well head, well lid covers on well head, the borehole wall is provided with the effuser pipeline joint, it is characterized in that: the described borehole wall is provided with the bar shaped notch that the blowdown drainage pipe for building stretches into, and the bar shaped notch vertically is provided with; The outside of bar shaped notch is provided with baffle plate, and baffle plate is installed on the blowdown drainage pipe of building, and the inner surface of baffle plate is close to the lateral surface of the borehole wall.
2. manhole according to claim 1 is characterized in that: respectively be provided with a strip projected parts on the borehole wall of described bar shaped notch both sides, strip projected parts and bar shaped notch are parallel to each other, and baffle plate is located between two strip projected parts.
3. manhole according to claim 1 and 2 is characterized in that: described shaft bottom is provided with chute, and the bottom of bar shaped notch is communicated with the effuser pipeline joint by chute.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201703899U CN201485956U (en) | 2009-08-20 | 2009-08-20 | Inspection well |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009201703899U CN201485956U (en) | 2009-08-20 | 2009-08-20 | Inspection well |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN201485956U true CN201485956U (en) | 2010-05-26 |
Family
ID=42424841
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009201703899U Expired - Fee Related CN201485956U (en) | 2009-08-20 | 2009-08-20 | Inspection well |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN201485956U (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112376672A (en) * | 2020-11-09 | 2021-02-19 | 上海市政工程设计研究总院（集团）有限公司 | Pipeline side settlement prevention system for soft soil foundation and construction method |
-
2009
- 2009-08-20 CN CN2009201703899U patent/CN201485956U/en not_active Expired - Fee Related
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112376672A (en) * | 2020-11-09 | 2021-02-19 | 上海市政工程设计研究总院（集团）有限公司 | Pipeline side settlement prevention system for soft soil foundation and construction method |
| CN112376672B (en) * | 2020-11-09 | 2022-04-26 | 上海市政工程设计研究总院（集团）有限公司 | Pipeline side settlement prevention system for soft soil foundation and construction method |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C17 | Cessation of patent right | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20100526 Termination date: 20120820 |