Self-cleaning mud suction inlet sealing structure of trailing suction dredger

Abstract

The invention relates to a sealing structure of a self-cleaning mud suction port of a trailing suction dredger, which includes a special-shaped sealing main body and a self-cleaning sealing fitting used in combination. The self-cleaning sealing fitting is a blade-type one-way seal Rubber blocks. The design of the present invention is scientific and reasonable, the resilience of the sealing mechanism is increased through the L-shaped special-shaped rubber block structure, and the high-density rubber positioning block and high-density rubber block are used to improve the high-pressure impact resistance of the entire sealing mechanism. The low-density rubber buffer outer lip structure can release the high-strength pressure of high-pressure mud on the right-angle gap space between components, relieve the instantaneous high-pressure impact of high pressure on seals and rigid structures, effectively avoid damage to rubber components, and prolong their service life. , to ensure its sealing effect. Due to the one-way rubber blade structure, the function of one-way sealing can be realized. When in use, the mud flows inward, but cannot flow into the drive box, so that the driving mechanism can work efficiently and avoid damage caused by a large amount of mud flow. At the same time, it has the function of The function of protecting the drive box is to achieve the effect of self-cleaning.

Description

technical field [0001] The invention belongs to the technical field of sealing, and relates to the sealing technology of ships, in particular to a self-cleaning mud suction inlet sealing structure of a trailing suction dredger. Background technique [0002] The cutter suction dredger originated in the United States in the 19th century. With its strong adaptability to soil quality and high efficiency, it has developed rapidly and has become the main ship type in various dredging projects. In recent years, the development trend of large-scale and self-propelled cutter suction dredgers is very obvious. Faced with more and more large-scale projects and offshore projects, super-large self-propelled cutter suction dredgers not only have strong construction capabilities, but also have high maneuverability. They can work completely independently and quickly self-propelled to the construction site, reducing barge transportation time and Losses in costs and other aspects, the advanta...

AI Technical Summary

Problems solved by technology

[0004] The inlet seal of the dredger mud pump generally adopts an L-shaped seal. Because the contact medium of the dredger is mud, sand and water slurry, the use environment is harsh, and the damage is manifested in serious wear, tearing of the lip, and fracture of the waist. The lifespan is generally about 7 days. It has been dependent on imports for a long time, the cost is high, and the procurement cycle is long, which greatly affects work efficiency.

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