Railway Knowledge
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2024-9-27Line defect treatment and maintenance
1. Analysis of railway line defects Due to the dynamic effect of locomotives and vehicles and the influence of natural conditions on the line, the geometric dimensions of the track are constantly chan -
2024-9-06Maintenance technology for small radius curves of heavy haul railways in moun...
The operation and maintenance of heavy-haul railways in mountainous areas face a series of challenges due to factors such as complex terrain and changeable weather. Among them, the existence of small- -
2024-8-09Maintenance of Crossover and Compound Switches
What kind of turnout is a compound crossing turnout? The compound crossing turnout is like an X shape, which is actually equivalent to a combination of four sets of single turnouts and a diamond cross -
2024-8-09High-speed railway box girder concrete pouring and maintenance operation inst...
As an important part of high-speed railway, the quality of concrete pouring and maintenance of high-speed railway box girder is directly related to the safety and stability of high-speed railway. This -
2024-8-01Single turnout inspection
Track gauge and level inspection position The inspection position of track gauge and level generally follows the principle of characteristic points and roughly equidistant distance. The basic method -
2024-7-02I don’t tell him where the “center of gravity” of the bridge is?
Newton said There is something called "universal gravity" Everything is subject to "gravity" Where there is gravity, there is a "center of gravity" The "center of gravity" of this book is -
2024-4-19Rail joint disease: joint collapse
Joint collapse is a common disease of joints. It can be seen intuitively that the ballast at the end of the sleeper collapses, the end and bottom of the sleeper are exposed, the stone ballast on both -
2024-3-19Large-scale railway maintenance machinery performs road lifting, tamping and ...
Large-scale railway maintenance machinery should be inspected, maintained and calibrated according to regulations to ensure that the large machinery is in good condition. The tamping vehicle should be -
2024-3-12Requirements for stress relief operations of seamless lines
1. Before stress relief operations, work plans and safety measures should be formulated, manpower should be organized, materials and tools should be prepared, and construction preparations should be m -
2024-3-05FC type fastener system composition and main technical requirements
FC type fastener system consists of elastic strips, insulating caps, covering plates, insulating sleeves, embedded bases, insulating gauge blocks and rubber pads. -
2024-2-29WJ-8 type fastener composition and main technical requirements.
Fastener composition:WJ-8 type fastener consists of spiral spikes, flat washers, elastic strips, insulating gauge blocks, gauge baffles, rail under-rail pads, iron pads, elastic pads under the iron pa -
2024-2-28Composition of elastic strip V-shaped fastener system
The elastic V-shaped fastener system consists of spiral spikes, flat washers, elastic bars, gauge baffles, under-rail pads and embedded casings, etc. It also includes height-adjusting pads for adjusti