Effect In the air compressor repair work, the above measures were strictly implemented, and seven air compressors were technically modified. From the perspective of the transformation effect: First, through the running-in test, the requirements of the process are as follows: “The last part of the piston is not allowed to spray at the end of the running-in, but a small amount of oil permeation is allowed around the pistonâ€. Second, the transformation of two air compressors for the key remediation The fuel consumption before and after is calculated according to TB/T2713-1996 “Inner and the method for measuring the consumption of lubricating oil for volumetric air compressors for electric locomotives†(see Table 1 for data). The fuel consumption is close to or lower than the theoretical fuel consumption index. Third, the two compressors that have been rectified have been loaded. After a minor repair, the oil film on the cylinder wall is normal and no bad or abnormal wear is produced. After the implementation of the improvement measures, the problem of serious fuel consumption and oil leakage of the NPT5 air compressor was successfully solved. In the process of repairing the rail car, there is a general re-linking of the re-joining. In order to ensure that the rail car monitoring device can stop in time when moving, the traction power of the railcar that serves as the replacement task must be removed in time. The monitoring device of the replenishing machine must detect the wind pressure change of the train pipe at any time. When the wind pressure of the train pipe decompresses 40 kPa or the wind pressure of the train pipe is lower than 450 kPa, the monitoring device of the replacement rail car should immediately issue the command of “power cut†to promptly remove the traction force of the replacement rail car to ensure the timely timely manner of the rail car. parking.
The automatic switching control of the machine in the “job control†function is: when the rail car monitoring device is in the “job control†function state, the “hot key†can be used to set whether the monitoring device has the automatic switching function of the machine; when monitoring When the device has the automatic switching function of the charger, the monitoring device judges the forward and reverse running of the railcar by measuring the phase of the photoelectric speed sensor; when the running direction of the railcar changes and maintains the direction for more than 5s, the monitoring device This supplement status will be automatically switched.
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