High-pressure conveying pipeline connecting structure based on flaring and clamping sleeve principle

Abstract

The invention discloses a high-pressure conveying pipeline connecting structure based on a flaring and clamping sleeve principle. The high-pressure conveying pipeline connecting structure comprises conveying pipelines and an interconnector fixed to one ends of the conveying pipelines through second locking pieces. A horn-shaped flaring neck part expanding outwards is arranged at the end, connected with the interconnector, of each conveying pipeline. The ends, connected with the conveying pipelines, of the interconnector extend into the flaring neck parts. Conical-face clamping sleeves are arranged at the connecting positions of the second locking pieces and the conveying pipelines. Clamping sleeve cutting edges of the conical-face clamping sleeves extend into the second locking pieces from the ends, connected with the conveying pipelines, of the second locking pieces. The ends, connected with the conveying pipelines, of the second locking pieces are fixed to the conveying pipelines through first locking pieces. By means of integration of complementation application of clamping sleeve and flaring mechanisms, the function of restraining damage of high-pressure fluid to work conditions is reinforced; and meanwhile the flaring technology is optimized for protecting the application of a bush, the shearing action on the flaring neck parts is lowered, and the aims of long acting, safety and reliable guaranteeing are achieved together.

Description

technical field [0001] The invention relates to a high-pressure conveying pipeline connection structure based on the principle of flaring and ferrule. Background technique [0002] Compressed natural gas filling station (hereinafter referred to as CNG filling station) is driven by the national policy of reducing oil resources with time, adjusting the structure of oil and gas resources, comprehensively utilizing natural gas resources, and replacing oil with gas. Promoted and developed. Vehicle energy filling stations that use gas instead of oil are still being developed and constructed. The filling medium of the station is natural gas in the urban pipeline network or pipeline network natural gas configured for petroleum and petrochemical transportation. The main transmission route is transported by a closed low-pressure pipeline network, and the pressure is generally only 1-2 MPa. The CNG filling station requires that the standard pressure of the terminal filling output is ...

AI Technical Summary

Problems solved by technology

[0006] The purpose of the present invention is to provide a high-pressure transmission pipeline connection structure based on the principle of flaring and ferrule to solve the problem of potential safety hazards in the existing high-pressure transmission pipeline connection structure

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