Railway Knowledge
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2023-7-22How to do a good job in emergency response to red light belts (General Speed)
How to do a good job in emergency response to red light belts (General Speed) -
2023-7-04
Management of rail wave mills
Rail wave wear is one of the forms of rail injury and damage. At present, the measurement of rail wave wear (measurement of rail short wave unevenness) and remediation is the main content of the cu -
2023-6-30Why do railway tracks twist and turn in hot conditions
When the rail is free, it will expand and contract when the temperature changes.In summer it lengthens when it is hot, in winter it shortens when it is cold, i.e. "thermal expansion and contraction". -
2023-6-28Line eccentricity inspection on the bridge
Recent inspections have found that the eccentric value of the line on some bridges has seriously exceeded the limit, and there are potential safety hazards such as pressure feeding of the upper flange -
2023-6-28Causes and Prevention Methods of Curved Rail Abrasion
Causes and Prevention Methods of Rail Wear (1) Causes of rail wear There are many reasons for the wear of rails on the curve, mainly due to the increased axle load of locomotives and vehicles and the -
2023-6-25The Project of Rail Inspection Car
1. Gauge Detection Gauge detection is to measure the shortest distance between the two gauge points of the left and right rails in the same rail cross section at the wheel-rail contact point at 16mm i -
2023-6-21
The difference between high-speed rail and bullet train
The full name of EMU is "EMU train", which refers to the car; the full name of high-speed rail is "high-speed railway", which refers to the line system, including vehicles, lines, signals and other sy -
2023-6-21Driving Operation Procedures in Stormy Weather
1. Familiar with flood control areas Carefully check the order to reveal, memorize the key areas of flood control, and carry the "List of Key Areas of Flood Control" with you when you leave. Together, -
2023-6-19Installation of Turnout Hook Lock
The railway turnout hook locker is to manually fasten the turnout to the point rail (movable center rail) and the basic rail (wing rail) together, and fix the repelling point rail at a certain positio -
2023-6-19
Inspection of turnout geometry
To master the change law of the geometric position of the turnout, discover the deviation of the static geometry of the turnout, and provide the basis for the maintenance of the turnout. -
2023-6-19
Line geometry check
To grasp the law of change in line geometry, to discover deviations in line static geometry and to provide a basis for line maintenance. -
2023-6-14Analysis and Treatment of Common Faults of Turnouts
Ⅰ. What are the measures to prevent and rectify the bad direction of turnouts? 1. Do a good job in the overall maintenance of the 50m line before the turnout, and always keep the track surface flat an