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Anti-overflow inspection well

An inspection well and anti-overflow technology, which is applied in water conservancy projects, underwater structures, artificial islands, etc., can solve the problems of inconvenient dredging operations, poor drainage of inspection wells, and prone to overflowing, so as to ensure strength and reduce mold opening. Cost, material saving effect

Active Publication Date: 2015-04-29
YONGHENG HLDG GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] In case of sudden changes in weather such as storms, due to the large amount of rain, the drainage of the inspection well is not smooth, and it is easy to overflow
The overflowing water submerged the bottom of the shaft and the ladder, and the maintenance personnel could not enter the inspection well, which brought inconvenience to the dredging operation

Method used

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Embodiment Construction

[0026] The present invention will be described in further detail below in conjunction with the accompanying drawings.

[0027] like figure 1 As shown, an overflow-proof inspection well includes a shaft 100 , a water outlet pipe 200 , a water inlet pipe 300 , a water storage jacket 400 and an overflow pipe 600 . The water outlet pipe 200 and the water inlet pipe 300 communicate with each other at the bottom of the wellbore 100 . The water storage jacket 400 is sleeved on the outer wall of the shaft 100 to form a water storage cavity 500 . The overflow pipe 600 is connected to the water storage jacket 400 and communicates with the water storage chamber 500 .

[0028] like figure 2 As shown, the side wall of the shaft 100 is provided with an overflow port 101; the overflow port 101 is located above the water outlet pipe 200 and the water inlet pipe 300; interconnected.

[0029] When the amount of rainwater is large, the drainage of the inspection well is not smooth, and the...

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Abstract

The invention discloses an anti-overflow inspection well, and belongs to the technical field of underground pipe fittings. The anti-overflow inspection well comprises a shaft, a water outlet pipe, a water inlet pipe, a water storage sleeve and an overflow pipe, wherein the water outlet pipe and the water inlet pipe are communicated with each other at the bottom of the shaft; the shaft is provided with a crawling ladder; an overflow opening is formed in the side wall of the shaft, and is located above the water outlet pipe and the water inlet pipe; the water storage sleeve sleeves the outer wall of the shaft and forms a water storage cavity together with the shaft; the overflow pipe is communicated with the water storage cavity, is connected with the water storage sleeve and is communicated with the water storage cavity; the inspection well is provided with an overflow device; when the water level in the inspection well is over high, partial water flow is drained through the overflow device, so that the water level in the inspection well is kept within a reasonable limit. The overflow device of the inspection well is arranged below a platform, so that the water level in the inspection well does not submerge the platform; downhole maintenance of operating personnel is facilitated; the operating personnel are not soaked by over-high water level; the operating environment in a rainy day is improved.

Description

technical field [0001] The invention belongs to the technical field of underground pipeline fittings, and in particular relates to an inspection well for preventing overflow. Background technique [0002] Inspection wells are vertical shafts built at regular intervals on the location of underground pipelines. They are mainly used for regular inspections, pipeline construction, sludge removal, and connection of pipelines in different directions and heights. They are an indispensable part of urban roads. [0003] A common inspection well includes a shaft, an outlet pipe and a water inlet pipe. The outlet pipe and the water inlet pipe are connected to each other at the bottom of the shaft, and a climbing ladder is arranged on the shaft. Maintenance personnel enter the interior of the inspection shaft through the ladder to perform inspection, maintenance and repair. [0004] When encountering sudden changes in weather such as storms, due to the large amount of rain, the drainag...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D29/12
CPCE02D29/12
Inventor 杨卫平谢文力
Owner YONGHENG HLDG GRP
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