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Connection structure of large-diameter enhanced pipes

A technology for connecting structures and reinforcing pipes, applied in non-removable pipe connections, pipe/pipe joints/pipe fittings, passing elements, etc., can solve the problems of insufficient connection strength and complicated process, and achieve fast installation speed and low operation requirements. , the effect of high structural safety

Active Publication Date: 2016-09-28
BEIHANG UNIV
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0004] The purpose of the present invention is to propose a new connection structure scheme for large-diameter reinforced pipes in order to solve the problems of insufficient connection strength and complicated process in the prior art

Method used

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  • Connection structure of large-diameter enhanced pipes
  • Connection structure of large-diameter enhanced pipes
  • Connection structure of large-diameter enhanced pipes

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Embodiment Construction

[0021] The present invention will be further described in detail with reference to the accompanying drawings and embodiments.

[0022] The reinforced pipe is made of three layers of material inside and outside, the middle layer is the reinforced layer to bear the load, and the inner and outer two layers are the functional layer to maintain the function. The inner wall of the reinforced layer is provided with an inner functional layer, and the outer wall is provided with an outer functional layer. Reinforced pipe B joints are processed, the inner functional layer and the outer functional layer are removed, so that the cut surface of the inner functional layer and the outer functional layer is a conical surface, and the cut surface of the reinforced layer is a plane. The present invention is applied to the above-mentioned reinforced pipes that need to be connected connection structure, such as figure 1 As shown, including inner sleeve, outer sleeve and sealing ring;

[0023] Th...

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Abstract

The invention discloses a connection structure of large-diameter enhanced pipes, and belongs to the field of pipeline connection auxiliary devices. Each enhanced pipe comprises an inner layer of material, a middle layer of material and an outer layer of material, wherein the middle layer is an enhanced layer and mainly bears loads; and the inner layer and the outer layer are functional layers and have the maintenance function. The connection structure comprises the pipes, an inner sleeve, an outer sleeve, sealing rings and a rubber layer, wherein the inner sleeve and the outer sleeve are directly connected with the enhanced layers of the pipelines in an electrofusion mode; and the edges of the sleeves are connected in a conical surface combination mode, and the sealing rings are added on the edges of the sleeves. By the adoption of the scheme of the connection structure, the requirements for structural intensity, rigidity, sealing performance, runner consistency and the like needed by connection of the pipelines can be met, and the connection structure has the characteristics of being simple and practical in structure and convenient to install.

Description

technical field [0001] The invention belongs to the field of pipeline connection auxiliary devices, and relates to a new type of large-diameter reinforced pipeline connection device, which can solve the problem of difficult joint design in the connection of large-diameter high-pressure pipelines, and has great advantages in the application fields of large-diameter pipelines such as oil and gas storage and transportation, and water supply. High practical value. Background technique [0002] Large-diameter pipelines are widely used in the fields of oil and gas storage and transportation. However, due to the limitations of materials, sealing and corrosion resistance, the currently used large-diameter pipelines are mainly used in low-pressure situations (usually lower than 0.6MPa), large-diameter high-pressure pipelines The application has not been developed. On the one hand, the manufacturing process of large-diameter pipes is complicated and the cost is high. On the other hand...

Claims

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Application Information

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IPC IPC(8): F16L13/10
CPCF16L13/103
Inventor 刘发齐黎增山关志东
Owner BEIHANG UNIV
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