An automatic oil replenishment device

Abstract

The invention discloses an automatic oil supplement device. The automatic oil supplement device is used for an air-to-hydraulic-pressure type brake system, and comprises an oil storage cylinder, an air pressure pipeline, a hydraulic pipeline and a pressure cylinder, wherein one end of the pressure cylinder is communicated with the air pressure pipeline, the other end of the pressure cylinder is communicated with the hydraulic pipeline, the oil storage cylinder is communicated with the hydraulic pipeline through the pressure cylinder, and a first switch is arranged between the oil storage cylinder and the pressure cylinder. When the automatic oil supplement device is used and no forced air exists in the pressure cylinder, the first switch is turned on, the oil storage cylinder is communicated with the hydraulic pipeline through the pressure cylinder, and oil of the amount same as seeped oil or leaked oil in the hydraulic pipeline can be automaticlly supplemented; after forced air exists in the pressure cylinder, the first switch is turned off, low-pressure air is converted by the pressure cylinder into medium-and-high hydraulic pressure, the needed hydraulic pressure is provided, the oil storage cylinder can automatically supplement oil, no manual work is needed for oil supplement, one oil storage cylinder is used for oil supplement instead of respective manual oil supplement of sixteen branches, and the labor intensity of workers is reduced.

Description

technical field [0001] The invention relates to the technical field of oil replenishment, in particular to an automatic oil replenishment device. Background technique [0002] At present, domestic medium and low-speed maglev trains generally adopt the air-to-hydraulic braking system. The hydraulic pipeline of the system is closed, and the hydraulic oil is pre-installed in the hydraulic pipeline. The medium and high pressure hydraulic pressure in the pipeline enables the brake caliper or support wheel to obtain sufficient hydraulic pressure to meet the requirements of braking force or rescue support. [0003] When the hydraulic oil in the hydraulic pipeline leaks, it will be supplemented by the oil storage chamber of the booster cylinder. Due to space constraints, the structural size of the booster cylinder is small, and the volume of the internal oil storage chamber is also small. Basically, after the hydraulic pipeline leaks That is, manual refueling is required, otherwise...

AI Technical Summary

Problems solved by technology

Because both the brake caliper and the rescue support parts need to work in a hydraulic state, there are 16 hydraulic branches in each car, and each branch has a booster cylinder and an oil supply port, which must be removed when replenishing oil. The exhaust plugs on the 16 pressurized cylinders, install the oil discharge bolts and oil discharge hoses, remove the oil discharge bolts and oil discharge hoses after replenishing the oil, and finally reinstall the exhaust plugs, the operation process Complicated, the labor intensity of workers is high, and the efficiency of manual oil replenishment is low

[0004] At the same time, since the hydraulic pipeline has been working under high pressure for a long time, the amount of oil leakage is very large. Even if there is no oil leakage, it is necessary to replenish the oil regularly. situation, then you will face the situation of losing braking force, which is very dangerous

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