An electric coil type suction unit

Abstract

The invention discloses an electric coiled suction unit, which comprises a unit box body, a coiling drum, a guide rod group and a steel wire hose, wherein the unit box body is provided with a first side plate and a second side plate; the first side plate and the second side plate are oppositely arranged; a spiral groove is formed in the outer surface of the coiling drum; the spiral groove extends to the other end from one end of the coiling drum in a spiral coiling manner; the coiling drum is arranged between the first side plate and the second side plate through a rotating shaft; the guide rod group comprises a first guide rod and a second guide rod; the first guide rod and the second guide rod are sleeved with guide shafts; two ends of the first guide rod and the second guide rod are connected to the first side plate and the second side plate separately; and the steel wire hose is coiled in the spiral groove. According to the electric coiled suction unit, through the design of the coiling drum with the spiral groove and corresponding guide shafts, ordered coiling of the steel wire hose during entering and exiting can be achieved, and faults of random order, mutual extrusion and the like in hose extending and retracting operations are avoided.

Description

technical field [0001] The invention relates to a suction device, in particular to an electric coil type suction unit. Background technique [0002] In the past, the trains used the straight row method, and the excrement was directly discharged on the roadbed. The excrement was exposed to the sun and rain and turned into powder, which was blown by the hurricane caused by the passing of the train and turned into aerosol and flew into the air, forming air pollutants and even Germs spread. [0003] For this reason, more and more passenger trains have installed airtight toilets, which have further improved the advancement and comfort of passenger trains, and the vacuum unloading systems that are matched with it have also been more and more used. [0004] In the conventionally designed vacuum unloading system, due to the lack of directional guidance for the hoses, failures such as disordered sequence and mutual extrusion are prone to occur during the tube collection and discharg...

AI Technical Summary

Problems solved by technology

[0004] In the conventionally designed vacuum unloading system, due to the lack of directional guidance for the hoses, faults such as disordered order and mutual extrusion are prone to occur during the tube collection and discharge operations, requiring manual guidance, which seriously affects the operation phase rate and wastes human resources.

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