CN213926610U - Prevent subsiding municipal administration inspection shaft - Google Patents
Prevent subsiding municipal administration inspection shaft Download PDFInfo
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- CN213926610U CN213926610U CN202022706203.6U CN202022706203U CN213926610U CN 213926610 U CN213926610 U CN 213926610U CN 202022706203 U CN202022706203 U CN 202022706203U CN 213926610 U CN213926610 U CN 213926610U
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Abstract
The utility model discloses a prevent subsiding municipal administration inspection shaft, including pit shaft, well lid supporting seat and well lid, the well lid supporting seat is in directly over the pit shaft, its characterized in that: the well lid supporting seat comprises a supporting cylinder body and an annular supporting plate, the annular supporting plate is arranged along the circumferential direction of the upper end of the supporting cylinder body and extends outwards from the outer edge of the upper end of the supporting cylinder body, the lower end of the supporting cylinder body corresponds to the upper end of the shaft, an asphalt concrete cushion layer is arranged between the upper end surface of the shaft and the lower surface of the annular supporting plate, and the asphalt concrete cushion layer is integrally connected with an asphalt concrete pavement; the well cover is arranged at the upper end of the supporting cylinder body and covers an opening at the upper end of the supporting cylinder body; the lateral wall of the supporting barrel is provided with a plurality of first ribs which are distributed from top to bottom in sequence, and the lower surface of the annular supporting plate is provided with a plurality of second ribs which are distributed from inside to outside in sequence. The anti-settling municipal inspection well has strong pressure resistance and anti-settling capacity.
Description
Technical Field
The utility model relates to a drainage structures, in particular to prevent subsiding municipal administration inspection shaft.
Background
In a municipal drainage pipeline system, an inspection well is suitable for a rainwater and sewage drainage pipeline, has important functions of connecting the pipeline, inspecting and maintaining the pipeline and the like, and is a necessary accessory structure convenient for regular inspection, dredging the pipeline and preventing the pipeline from being blocked. The inspection well commonly used usually comprises pit shaft, well lid supporting seat and well lid, and the well lid supporting seat is installed on the pit shaft, and the well lid is installed on the well lid supporting seat. Because present well lid supporting seat designs into tubular structure usually, its lower terminal surface and pit shaft up end contact cooperation (perhaps set up the annular pad that is used for adjusting well lid supporting seat height between well lid supporting seat lower extreme face and pit shaft up end, well lid supporting seat lower extreme face and annular pad up end contact cooperation, terminal surface and pit shaft up end contact cooperation under the annular pad), consequently there is the vehicle on the road surface when passing through from the well lid, the pressure of vehicle will be applyed completely on the pit shaft through well lid and well lid supporting seat, the inspection well is after long-term pressurized, phenomenons such as inspection well subsides and well lid supporting seat fracture can often appear. Along with the continuous development in city, under the more and more circumstances of vehicle on the road surface, damaged frequency appears in the inspection shaft and rises by a wide margin, not only causes unevenness between well lid and the road surface, takes place traffic accident easily, and the inspection shaft needs often to be maintained moreover, need lay well lid supporting seat and the well lid that is located the pit shaft upper strata again, and maintenance cost is high.
Disclosure of Invention
The utility model aims to solve the technical problem that a prevent subsiding municipal inspection shaft is provided, this kind prevents subsiding municipal inspection shaft has stronger compressive capacity and prevents subsiding the ability.
In order to solve the technical problems, the technical scheme is as follows:
the utility model provides a prevent subsiding municipal administration inspection shaft, includes pit shaft, well lid supporting seat and well lid, the well lid supporting seat is in the pit shaft directly over, its characterized in that: the well lid supporting seat comprises a supporting cylinder body and an annular supporting plate, the annular supporting plate is arranged along the circumferential direction of the upper end of the supporting cylinder body and extends outwards from the outer edge of the upper end of the supporting cylinder body, the lower end of the supporting cylinder body corresponds to the upper end of the shaft, an asphalt concrete cushion layer is arranged between the upper end surface of the shaft and the lower surface of the annular supporting plate, and the asphalt concrete cushion layer is integrally connected with an asphalt concrete pavement; the well cover is arranged at the upper end of the supporting cylinder body and covers an opening at the upper end of the supporting cylinder body; the lateral wall of the supporting barrel is provided with a plurality of first ribs which are distributed from top to bottom in sequence, and the lower surface of the annular supporting plate is provided with a plurality of second ribs which are distributed from inside to outside in sequence.
In the anti-settling municipal inspection well, a shaft is sunk into a soil body, constructors lay asphalt concrete on the soil body to form an asphalt concrete cushion and an asphalt concrete pavement, then a well cover supporting seat is installed (the annular supporting plate compacts the asphalt concrete cushion until the upper surface of the annular supporting plate and the upper surface of the asphalt concrete pavement are approximately on the same plane), the lower end of a supporting cylinder body is usually inserted into an opening at the upper end of the shaft and is contacted with the inner edge of the opening at the upper end of the shaft, and the well cover supporting seat is positioned by utilizing the opening at the upper end of the shaft). Because the annular support plate sets up and outwards extends along the outside of the circumference of supporting the barrel upper end and along the outer border of self-supporting barrel upper end, the surface that supports the barrel this moment and the lower surface of annular support plate all contact with the asphalt concrete cushion, and first rib and second rib can increase the cohesion of well lid supporting seat and asphalt concrete cushion, promote the stability of well lid supporting seat and well lid. First rib and second rib can also strengthen the mechanical strength of well lid supporting seat. When vehicles pass through the anti-settling municipal inspection well on the road surface, the asphalt concrete cushion and the asphalt concrete road surface can share the pressure applied by the vehicles to the well cover and the annular supporting plate, so that the situation that all the pressure is directly applied to the shaft is avoided, and the pressure applied to the shaft is effectively reduced.
In a preferred scheme, the anti-settling municipal inspection well further comprises a height adjusting ring, the height adjusting ring is installed on the upper end face of the well shaft and is aligned with the position of the well shaft, and the lower end of the supporting cylinder corresponds to the position of the height adjusting ring. In this case, the lower end of the support cylinder is usually inserted into the height adjustment ring and contacts with the inner edge of the height adjustment ring, and the height adjustment ring is used to position the manhole cover support base. The height adjusting ring is mainly used for adjusting the height of the well lid supporting seat, so that the upper surface of the annular supporting plate and the upper surface of the asphalt concrete pavement are approximately positioned on the same plane.
In a further preferred embodiment, the height adjusting ring is made of concrete.
In a preferable scheme, the outer side of the shaft is provided with a soil nailing wall arranged along the circumferential direction of the shaft. In the inspection well construction process, often can meet the softer condition of soil body, the softer soil body of this kind of property is limited to the support ability of inspection well pit shaft, through set up soil nail wall at the pit shaft lateral wall, can effectively increase the frictional force between pit shaft and the soil body, further promotes the compressive capacity of pit shaft, avoids subsiding.
Preferably, each of the first rib and the second rib is annular. More preferably, the first rib and the second rib are semicircular in cross section. First rib and second rib are the annular, can further strengthen the mechanical strength who supports barrel and annular support board to increase the adhesion stress of well lid supporting seat and asphalt concrete cushion.
In a preferred scheme, the outer edge of the annular supporting plate is in an arc shape bent downwards. The outer border of annular supporting plate is the arc form of downwarping, can enough increase the adhesion stress of annular supporting plate and asphalt concrete cushion, can make the upper surface border of annular supporting plate form corresponding cambered surface again, effectively reduces the impact that the vehicle passed through.
In the preferred scheme, prevent subsiding municipal administration inspection shaft still includes the hinge, well lid one side is articulated through hinge and annular support plate, and the upper surface of well lid is equipped with the direction sign. The well lid passes through the hinge and articulates with annular support plate, makes the well lid open towards one side. Usually, above-mentioned direction sign is the arrow point from the relative one side of the directional well lid of hinge place side, and during installation well lid supporting seat and well lid, the direction sign that makes the well lid upper surface is the same with the driving direction to when making the vehicle pass through, the wheel is pressed the hinge place side earlier, effectively reduces to take place dynamic friction and relative displacement between well lid and the annular support plate.
The beneficial effects of the utility model reside in that: this kind of prevent subsiding municipal inspection shaft has stronger compressive capacity and prevents subsiding the ability, and the well lid supporting seat has higher mechanical strength, and is not fragile.
Drawings
FIG. 1 is a cross-sectional view of an embodiment of the present invention illustrating a municipal inspection well for preventing settlement;
fig. 2 is the embodiment of the utility model provides an in the structural sketch of annular supporting plate and well lid upper surface.
Detailed Description
The invention will be further described with reference to the following drawings and specific embodiments:
the anti-settling municipal inspection well comprises a well shaft 1, a well cover supporting seat 2, a height adjusting ring 3, a well cover 4 and a hinge 5, wherein a soil nailing wall 101 is arranged on the outer side of the well shaft 1 along the circumferential direction of the well shaft; the well lid supporting seat 2 comprises a supporting cylinder 201 and an annular supporting plate 202, the annular supporting plate 202 is arranged along the circumferential direction of the upper end of the supporting cylinder 201 and extends outwards from the outer edge of the upper end of the supporting cylinder 201, a height adjusting ring 3 is arranged on the upper end surface of the shaft 1 and is aligned with the position of the shaft 1, the lower end of the supporting cylinder 201 corresponds to the position of the height adjusting ring 3, an asphalt concrete cushion 102 is arranged between the upper end surface of the shaft 1 and the lower surface of the annular supporting plate 202, the asphalt concrete cushion 102 is integrally connected with an asphalt concrete pavement 6, and the outer edge of the annular supporting plate 202 is in a downward-bent arc shape 2021; one side of the well lid 4 is hinged with the annular supporting plate 202 through a hinge 5 and covers an opening at the upper end of the supporting cylinder 201, and the upper surface of the well lid 4 is provided with a direction mark 401; be equipped with from last to down a plurality of first ribs 2011 that distribute gradually on the lateral wall of support barrel 201, be equipped with a plurality of second ribs 2022 that distribute gradually from inside to outside on the lower surface of annular support plate 202, each first rib 2011 and second rib 2022 all are the annular, and first rib 2011 and second rib 2022's cross section all is semi-circular.
The height adjustment ring 3 is made of concrete.
In the anti-settling municipal inspection well, the shaft 1 is sunk into the soil body (the soil body with soft property has limited supporting capacity on the shaft 1 of the inspection well is often encountered in the construction process of the inspection well, the friction force between the shaft 1 and the soil body can be effectively increased by arranging the soil nailing wall 101 on the outer side wall of the shaft 1, the pressure resistance of the shaft 1 is improved, the settling is avoided), constructors lay asphalt concrete on the soil body to form an asphalt concrete cushion layer 102 and an asphalt concrete pavement 6, then install the well lid supporting seat 2 (the annular supporting plate 202 compacts the asphalt concrete cushion layer 102 until the upper surface of the annular supporting plate 202 and the upper surface of the asphalt concrete pavement 6 are approximately on the same plane, the lower end of the supporting cylinder 201 is inserted into the height adjusting ring 3 and is contacted with the inner edge of the height adjusting ring 3, and position the well lid supporting seat 2 by the height adjusting ring 3, height adjustment ring 3 mainly used adjusts the height of well lid supporting seat 2). Because the annular supporting plate 202 is arranged along the circumferential direction of the upper end of the supporting cylinder 201 and extends outwards from the outer edge of the upper end of the supporting cylinder 201, the outer surface of the supporting cylinder 201 and the lower surface of the annular supporting plate 202 are both contacted with the asphalt concrete cushion 102, and the outer edge of the annular supporting plate 202 is in a downward-bent arc shape 2021, the adhesive force between the annular supporting plate 202 and the asphalt concrete cushion 102 can be increased, the edge of the upper surface of the annular supporting plate 202 can form a corresponding arc surface, and the impact of a vehicle when passing through is effectively reduced; first rib 2011 and second rib 2022 can increase well lid supporting seat 2 and bituminous concrete cushion 102's cohesion, and first rib 2011 and second rib 2022 are the annular simultaneously, can further strengthen the mechanical strength who supports barrel 201 and annular support plate 202 to increase well lid supporting seat 2 and bituminous concrete cushion 102's adhesion stress, promote the stability of well lid supporting seat 2 and well lid 4. First rib 2011 and second rib 2022 can also strengthen the mechanical strength of well lid supporting seat 2. When vehicles pass through the anti-settling municipal inspection well on the road surface, the asphalt concrete cushion 102 and the asphalt concrete road surface 6 can share the pressure applied by the vehicles to the well lid 4 and the annular supporting plate 202, so that the situation that all the pressure is directly applied to the shaft 1 is avoided, and the pressure applied to the shaft 1 is effectively reduced. The manhole cover 4 is hinged to the ring support plate 202 by a hinge 5 so that the manhole cover 4 can be opened toward one side. Above-mentioned direction sign 401 is the arrow point from the relative one side of the directional well lid 4 of hinge 5 place side, and during installation well lid supporting seat 2 and well lid 4, the direction sign 401 that makes the 4 upper surfaces of well lid is the same with the driving direction to when making the vehicle pass through, the wheel is pressed hinge 5 place side earlier, effectively reduces to take place dynamic friction and relative displacement between well lid 4 and the annular shaped support board 202.
Claims (8)
1. The utility model provides a prevent subsiding municipal administration inspection shaft, includes pit shaft, well lid supporting seat and well lid, the well lid supporting seat is in the pit shaft directly over, its characterized in that: the well lid supporting seat comprises a supporting cylinder body and an annular supporting plate, the annular supporting plate is arranged along the circumferential direction of the upper end of the supporting cylinder body and extends outwards from the outer edge of the upper end of the supporting cylinder body, the lower end of the supporting cylinder body corresponds to the upper end of the shaft, an asphalt concrete cushion layer is arranged between the upper end surface of the shaft and the lower surface of the annular supporting plate, and the asphalt concrete cushion layer is integrally connected with an asphalt concrete pavement; the well cover is arranged at the upper end of the supporting cylinder body and covers an opening at the upper end of the supporting cylinder body; the lateral wall of the supporting barrel is provided with a plurality of first ribs which are distributed from top to bottom in sequence, and the lower surface of the annular supporting plate is provided with a plurality of second ribs which are distributed from inside to outside in sequence.
2. The anti-settling municipal manhole of claim 1, wherein: the anti-settling municipal inspection well further comprises a height adjusting ring, the height adjusting ring is installed on the upper end face of the well shaft and is aligned with the position of the well shaft, and the lower end of the supporting cylinder corresponds to the position of the height adjusting ring.
3. The anti-settling municipal manhole of claim 2, wherein: the height adjusting ring is made of concrete.
4. The anti-settling municipal manhole of claim 1, wherein: and a soil nailing wall arranged along the circumferential direction of the shaft is arranged on the outer side of the shaft.
5. The anti-settling municipal manhole of claim 1, wherein: each of the first ribs and the second ribs is annular.
6. The anti-settling municipal manhole of claim 5, wherein: the cross sections of the first ribs and the second ribs are semicircular.
7. The anti-settling municipal manhole of claim 1, wherein: the outer edge of the annular supporting plate is in an arc shape which is bent downwards.
8. The anti-settling municipal manhole of claim 1, wherein: prevent subsiding municipal administration inspection shaft still includes the hinge, well lid one side is articulated through hinge and annular support plate, and the upper surface of well lid is equipped with the direction sign.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022706203.6U CN213926610U (en) | 2020-11-20 | 2020-11-20 | Prevent subsiding municipal administration inspection shaft |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202022706203.6U CN213926610U (en) | 2020-11-20 | 2020-11-20 | Prevent subsiding municipal administration inspection shaft |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN213926610U true CN213926610U (en) | 2021-08-10 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202022706203.6U Active CN213926610U (en) | 2020-11-20 | 2020-11-20 | Prevent subsiding municipal administration inspection shaft |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN213926610U (en) |
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2020
- 2020-11-20 CN CN202022706203.6U patent/CN213926610U/en active Active
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