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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 -
2024-7-20Inspection and analysis of limiters
Limiter by the mother and child block combination, both set a certain interval, allowing the tip rail and the basic rail has a certain relative displacement, in order to partially release the temperat -
2024-7-18Interpretation of the provisions of the Rules for Repair of Conventional Rail...
Interpretation of the provisions of the Rules for the Repair of Lines of the General Purpose Railway -
2024-7-12Rail grinding extends the railway service life
Rail grinding can extend the railway service life, reduce the track maintenance cost. -
2024-7-12Rail temperature measurement
Rail temperature measurement -
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 -
2024-6-26Turnout roller system
The resistance of the switch rail pulled by the electrical equipment is an important technical indicator of the turnout. Reducing the switch rail resistance can reduce the load of the unit equipment a -
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 -
2024-3-19
Large-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 -
2024-3-15Requirements for large machine grinding operations.
Requirements before, during and after rail grinding operations -
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.