Railway Bolts

• 1.1

Uses: Widely used in the connection parts of railway bridges, tunnels, tracks and other structures, such as splicing of steel beams, fixing of bridge supports, connection of tunnel linings and tightening of track fasteners.

• 1.2

Features: With high strength and fatigue resistance, it can withstand large tensile and shear forces, ensuring the stability and safety of railway structures under long-term loads.

• 2.1

Uses: Mainly used in the construction of railway bridge piers, signal towers, substations and other foundation structures, firmly connecting the upper structure to the foundation.

• 2.2

Features: The length and diameter of the anchor bolts vary according to different foundation types and load requirements. The part embedded in the foundation usually has a certain anchoring length to ensure that the structure will not loosen or overturn when subjected to large horizontal and vertical loads.

• 3.1

Uses: More common in the installation of bogies, car body connections and some mechanical equipment of railway vehicles.

• 3.2

Features: Both ends of the stud bolt have threads, which can be connected to different parts respectively, which is convenient for disassembly and maintenance, and can compensate for the dimensional error between the connected parts to a certain extent.

• 4.1

Purpose: In view of the vibration characteristics of the railway operating environment, anti-loosening bolts play an important role in railway construction. They are often used in track connections, bridge structures and other parts where bolts are easily loosened due to vibration.

• 4.2

Features: Through special design or adding anti-loosening devices, such as spring washers, nylon nuts, etc., it can effectively prevent the bolts from loosening by themselves under the vibration of the train, ensuring the reliability of the connection.

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