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Method for penetrating pipe into casing pipe

A technology of inner pipe and casing, which is applied in the direction of pipes/pipe joints/fittings, pipe components, pipe supports, etc., which can solve the problems of enlarged pipe jacking pit size, damage of pipe anti-corrosion layer, and increased project investment, etc., to achieve The construction area is small, the construction cost is reduced, and the safety of the pipeline is good.

Pending Publication Date: 2022-04-08
SHANGHAI GAS ENG DESIGN & RES
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  • Summary
  • Abstract
  • Description
  • Claims
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Problems solved by technology

This way of crossing is also likely to cause damage to the pipeline anti-corrosion layer and affect the safety of the pipeline.
Even if the pipe-jacking work well is shared, several casings still need to be jacked separately. The jacking cost is not only high, but also the distance between the casings to be jacked needs to be increased in order to avoid mutual safety impacts between the casings, resulting in The size of the pipe foundation pit becomes larger, thereby further increasing the project investment

Method used

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  • Method for penetrating pipe into casing pipe
  • Method for penetrating pipe into casing pipe
  • Method for penetrating pipe into casing pipe

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Embodiment Construction

[0037] The following describes several preferred embodiments of the present invention with reference to the accompanying drawings, so as to make the technical content clearer and easier to understand. The present invention can be embodied in many different forms of embodiments, and the protection scope of the present invention is not limited to the embodiments mentioned herein.

[0038] In the drawings, components with the same structure are denoted by the same numerals, and components with similar structures or functions are denoted by similar numerals. The size and thickness of each component shown in the drawings are shown arbitrarily, and the present invention does not limit the size and thickness of each component. In order to make the illustration clearer, the thickness of parts is appropriately exaggerated in some places in the drawings.

[0039] The invention provides a method for threading pipes inside the casing, which can realize the casing threading shared by mult...

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Abstract

The invention discloses a method for penetrating a pipe into a sleeve. The method comprises the following steps that a pipeline mounting platform is prefabricated in the sleeve; a trolley is installed on a pipeline to be traversed; and the pipeline is pushed along the mounting platform. According to the pipe penetrating method, the friction force during pipe penetrating is reduced, the penetrating speed is increased, and the construction period is shortened; and multiple pipelines share the sleeve, so that the utilization rate of the sleeve is improved, and the construction cost is reduced.

Description

technical field [0001] The invention relates to the technical field of pipeline engineering construction, in particular to a method for threading a pipe inside a casing. Background technique [0002] At present, in the construction of urban underground pipelines, in order to save land resources, various pipelines are compactly arranged, such as water supply, rainwater, sewage, gas, oil pipelines, etc. are generally laid in parallel. When these pipelines cross roads or railways, in order to reduce the impact on the operation of roads or railways, pipe jacking is generally adopted. For example, in the engineering construction of pipelines crossing railways, pipe jacking working wells and pipe jacking receiving wells are set up on both sides of the railway crossing position, and a casing is pushed into a certain depth under the railway embankment by jacking machinery, and crosses Railway, and then install the pipeline to be crossed in the casing in the pipe jacking well. [0...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): F16L1/028F16L1/06F16L7/00F16L55/28F16L55/30F16L55/40
Inventor 邹勇豆连旺张淼馨
Owner SHANGHAI GAS ENG DESIGN & RES
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