CN-224227946-U - Anti-backflow inspection well

CN224227946UCN 224227946 UCN224227946 UCN 224227946UCN-224227946-U

Abstract

The utility model relates to an anti-backflow inspection well which comprises a well shaft, a well cover seat, a pressure-bearing ring, plain concrete and a well seat, wherein the well cover seat, the well shaft, the pressure-bearing ring, the plain concrete and the well seat are sequentially arranged from top to bottom, a well chamber is formed in the well seat, the lower part of the plain concrete is arranged on the periphery of the upper end part of the well seat, a slow expansion water stop strip is arranged between the well seats, a circle of clamping grooves with L-shaped cross sections are downwards arranged at the upper end of the well cover seat, and the well cover is clamped in the clamping grooves. The well cover seat, the shaft, the pressure-bearing ring, the plain concrete, the well seat and the like are sequentially arranged, and when in actual use, the surface of the wetland is arranged at the middle lower part of the shaft, namely the upper part of the shaft and the well cover of the well cover seat are arranged above the surface of the wetland, so that no surface water backflow is caused. Secondly, the surface of the shaft is smeared, the bearing ring seat slurry is installed, triangular ash is smeared, and the slow expansion water stop bars are arranged, so that surface water can be prevented from penetrating into the inspection well, and the inspection well has a good waterproof function.

Inventors

LI QIAOLING
XIA TIYUAN
PEI YING
LI BAIQIAO
Liang yuhuan
LI TAO
BAO XINGBI
HOU YONGPING
SHEN LIANG
HONG ZIJIN
WU CHENG

Assignees

云南书蓝生态科技有限公司
中国电建集团昆明勘测设计研究院有限公司
昆明学院

Dates

Publication Date: 20260512
Application Date: 20250424

Claims (9)

1. The anti-backflow inspection well is characterized by further comprising a well cover, a well cover seat, a pressure bearing ring, plain concrete and a well seat, wherein the well cover seat, the well cover, the pressure bearing ring, the plain concrete and the well seat are sequentially arranged from top to bottom, well chambers are formed in the well seat, the upper part of the well seat, the well cover and the inner diameter of the pressure bearing ring are the same, the lower part of the plain concrete is arranged on the periphery of the upper end part of the well seat, a slow expansion water stop strip is arranged between the well seats, a circle of clamping grooves with L-shaped cross sections are downwards arranged at the upper end of the well cover seat, and the well cover is clamped in the clamping grooves.
2. The anti-backflow inspection well of claim 1, further comprising a gravel cushion layer, wherein the gravel cushion layer is arranged below the plain concrete and has the same thickness as the plain concrete.
3. The anti-backflow inspection well of claim 1, wherein the bearing ring is arranged above the plain concrete by base mortar, triangular plastering is arranged between the periphery of the bearing ring and the plain concrete, and the base mortar and the triangular plastering are made of 1:2 waterproof cement mortar.
4. The anti-backflow inspection well as set forth in claim 1, wherein the well cover seat is a reinforced concrete well cover seat, the well shaft is a bricked well shaft, and the inner diameter of the well shaft is 700mm.
5. The anti-backflow inspection well of claim 4, wherein the inner side surface and the outer side surface of the well shaft are respectively coated with 1:2 waterproof cement mortar, the thickness of the coating on the inner side surface of the well shaft is 20mm, and the thickness of the coating on the outer side surface of the well shaft is 10mm.
6. The anti-backflow inspection well as set forth in claim 1, wherein the cross section of the slow expansion water stop strip is 30x40mm.
7. The anti-backflow inspection well of claim 1, wherein the plain concrete has a strength index of C15.
8. The anti-backflow inspection well of claim 1, further comprising a protective net, wherein a plurality of stainless steel hooks are uniformly embedded in the plain concrete along the circumference, the end parts of the hooks are arranged in the well, and the protective net is connected to each stainless steel hook.
9. The anti-backflow inspection well of claim 1, further comprising a foundation mat, wherein the well seat is cross-shaped, and wherein the two horizontal end parts are communicated with the water pipe, and the foundation mat is arranged at the bottom of the well seat.

Description

Anti-backflow inspection well Technical Field The utility model relates to the technical field of sewage disposal of water pipes, in particular to an anti-backflow inspection well. Background The inspection well is arranged for the maintenance of power supply, water drainage, pollution discharge, communication, cable television, gas pipes, street lamp lines and the like of urban underground infrastructure, and is convenient to install. The device is generally arranged at the junction of pipelines, at the turning position, at the position of pipe diameter or gradient change and at certain intervals on the straight pipe section, so that the device is convenient for periodically checking auxiliary structures. Because of its high ecological value, the wetland or lakeside is often built into an ecological landscape for sightseeing and traveling, and in the process of building the wetland ecological landscape, there is often a need for power supply, water drainage, sewage discharge and the like of technical facilities for supplying the wetland landscape by pipelines under the wetland, so that an inspection well is also necessary in the wetland. In order to ensure the smoothness of the road, the height of the inspection well in the city is generally equal to that of the road, but the surface water is in the wetland, so that the inspection well in the wetland needs to be raised to be higher than the surface of the wetland, namely, 0.5m higher than the surface water, and meanwhile, the inspection well needs to be waterproof, so that the water is prevented from penetrating into the inspection well. Disclosure of utility model The utility model provides an anti-backflow inspection well aiming at a wetland so as to achieve the purpose that surface water in the wetland cannot flow backwards or infiltrate into the inspection well. The technical scheme includes that the anti-backflow inspection well comprises a well cover, a well cover seat, a pressure-bearing ring, plain concrete and the well seat, wherein the well cover seat, the well cover, the pressure-bearing ring, the plain concrete and the well seat are sequentially arranged from top to bottom, well chambers are formed in the well cover seat, the upper part of the well cover seat, the well cover and the inner diameter of the pressure-bearing ring are the same, the lower part of the plain concrete is arranged on the periphery of the upper end part of the well seat, slow expansion water stop strips are arranged between the well seats, a circle of clamping grooves with L-shaped sections are downwards arranged at the upper end of the well cover seat, and the well cover is clamped in the clamping grooves. Further, the concrete filling machine also comprises a gravel cushion layer, wherein the gravel cushion layer is arranged below the plain concrete, and the thickness of the gravel cushion layer is the same as that of the plain concrete. Further, the bearing ring is installed above the plain concrete by base slurry, triangular ash is smeared between the periphery of the bearing ring and the plain concrete, and the base slurry and the smeared triangular ash are made of 1:2 waterproof cement mortar. Further, the well lid seat is a reinforced concrete well lid seat, the shaft is a bricked shaft, and the inner diameter of the shaft is 700mm. Furthermore, the inner side surface and the outer side surface of the shaft are respectively coated with 1:2 waterproof cement mortar, the thickness of the coating on the inner side surface of the shaft is 20mm, and the thickness of the coating on the outer side surface of the shaft is 10mm. Further, the section size of the slow expansion water stop strip is 30x40mm. Further, the strength of the plain concrete is marked as C15. Further, the well is further provided with a protective net, a plurality of stainless steel hooks are uniformly embedded in the plain concrete along the circumference, the end parts of the hooks are arranged in the well, and the protective net is connected to each stainless steel hook. Further, the well seat is cross-shaped, wherein the two horizontal end parts are communicated with the water pipe, and the foundation cushion layer is arranged at the bottom of the well seat. Compared with the prior art, the utility model has the following beneficial effects: (1) According to the anti-backflow inspection well, the well lid seat, the well shaft, the bearing ring, the plain concrete, the well seat and the like are sequentially arranged, when the anti-backflow inspection well is in actual use, the surface of the wetland is arranged at the middle lower part of the well shaft, namely the upper part of the well shaft and the well lid of the well lid seat are arranged above the surface of the wetland, no surface water backflow condition exists, and secondly, the well shaft is subjected to plastering, the bearing ring seat is arranged, triangular ash is smeared, and slow expansion water stop bars are arranged, so that the