-
2023-8-22Problems and Management of Maintenance and Maintenance of Railway Public Work...
The railway industry has benefited from the rapid development of my country's economic level. As the main carrier of track operation, the use of railway public works lines has the characteristics of f -
2023-8-03
The Must-Know for Railway Engineers
1. Describe the handling method when the crossing fails. Answer: (1) When a guarded crossing breaks down, it must be handled in accordance with the principle of "protection first, then treatment". If -
2023-8-03
The Q&As for Railway Workers
1. What issues should be considered when setting the superelevation value of the outer rail? Answer: The premise should be to ensure the safety of driving. The superelevation of the outer rail should -
2023-8-02
Light and convenient NLB-500 portable internal combustion rail bolt wrench
Small size and light weight,Strong mobility, portable handheld,Novel design, compact structure, it also handles two-stage shock absorption, easy to get on and off the road. Particularly suitable for -
2023-7-22
How 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
Highlights of high-speed rail seat indicators
The seat number of "Fuxing" is changed to LED display. I believe most people already know it, but I found that the corresponding indicator lights have different colors, namely: red, yellow, and green. -
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