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Device for rapidly blocking dewatering pipe well through drainage and decompression and method of device

A downwater pipe and fast technology, which is applied in construction, infrastructure engineering, etc., can solve the problems such as the inability to complete the sand and gravel backfilling work in the well, achieve the effect of reducing rework and maintenance costs, fast speed, and ensuring effective welding

Inactive Publication Date: 2016-02-17
JIANGSU XINTUO CONSTR GRP
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0003] The present invention provides a kind of equipment and method for quickly sealing downfall pipe wells through drainage and decompression in view of the deficiencies of the prior art. , and it is impossible to complete the technical problem of sand and gravel backfilling in the well before the downfall tube well is blocked

Method used

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  • Device for rapidly blocking dewatering pipe well through drainage and decompression and method of device
  • Device for rapidly blocking dewatering pipe well through drainage and decompression and method of device
  • Device for rapidly blocking dewatering pipe well through drainage and decompression and method of device

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Embodiment Construction

[0043] As shown in the figure, a device for quickly plugging a downcomer well by drainage and decompression includes a sand-free concrete downcomer and a casing 1, a cover 2 is provided on the top of the casing 1, and a cover 2 is provided on the outer wall of the casing 1. There is a hydrostop ring 3, four anchor feet 8 are evenly distributed on the bottom of the outer wall of the casing 1, and the bottom of the casing 1 is socketed on the top of the sand-free concrete downwater pipe, and the characteristic is that the casing 1 is a cylindrical steel pipe The inner wall is provided with a supporting plate 4, and the center of the supporting plate 4 is evenly provided with 2 or 3 round holes 5, and the inner wire short parts 6 are welded on the round holes 5, and the inner wire short parts 6 are The steel hollow pipe is screwed with the plug cap 7 at the top.

[0044] A method for quickly plugging drainage and decompression in a downflow tube well, the steps of the method are ...

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Abstract

The invention discloses a device for rapidly blocking a dewatering pipe well through drainage and decompression and a method of the device. The device comprises a non-fine concrete dewatering pipe and a casing pipe. A cover plate is arranged at the top of the casing pipe. A water stop wing ring is arranged on the outer wall of the casing pipe. Four anchor feet are evenly distributed at the bottom of the outer wall of the casing pipe. The top of the non-fine concrete dewatering pipe is connected with the bottom of the casing pipe in a sleeved manner. The device is characterized in that the casing pipe is a cylindrical steel pipe sleeve, a carrying plate is arranged on the inner wall of the casing pipe, two or three round holes are evenly formed in the center of the carrying plate, short internal thread pieces are welded to the round holes and are hollow steel pipes, and plugs are arranged at the tops of the short internal thread pieces. According to the method, the device is used for drainage, decompression and rapid blockage of the dewatering pipe well, and the method aims at solving the technical problems that 20 minutes to 30 minutes is spent in welding a steel carrying plate conventionally designed for blocking the dewatering pipe well and sand, and gravel backfill work in the well cannot be finished before the dewatering pipe well is blocked.

Description

technical field [0001] The invention relates to a device and a method for rapidly plugging a downcomer well through diversion and decompression. Background technique [0002] The design of foundation pit dewatering generally adopts "sand-free concrete pipe" tube well for dewatering, which generally requires the completion of the underground main structure or the topping of the main structure on the ground before the downwater tube well is sealed. It takes 20 to 30 minutes to complete the work required for the welding of the steel plate supporting plate for the plugging of the tube well, and it is impossible to complete the backfilling of the sand and gravel in the well before the plugging of the downfall tube well. Contents of the invention [0003] The present invention provides a device and method for quickly sealing downfall tube wells through drainage and decompression to solve the deficiencies of the prior art, and aims to solve the need for 20 to 30 minutes to comple...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E02D19/10
Inventor 蔡善波王兴明韩良荣
Owner JIANGSU XINTUO CONSTR GRP
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