Types of the insulated rail joints
Insulated rail joints are critical components in railway tracks that electrically isolate sections of rail to prevent interference with signaling and traction systems. Several types of insulated rail joints are used in railway infrastructure. Here are some common types:
Insulated Fishplate Joint: This type of insulated rail joint uses insulated fishplates to join two sections of rail while providing electrical isolation. Insulated fishplates typically have insulating materials sandwiched between metal plates to prevent electrical conductivity between the rails.
Insulated Bolted Joint: Insulated bolted joints utilize insulating materials around the bolts and washers used to fasten the rail sections together. This prevents electrical conductivity between the rails while maintaining mechanical stability.
Insulated Welded Joint: In insulated welded joints, insulating materials are placed between the rail ends before welding. This creates an electrically isolated joint while ensuring structural integrity.
The type of the insulated rail joints can meet different steel rails:
A. Light rail: 8kg, 12kg, 15kg, 18kg, 22kg, 24kg, 30kg
B. Heavy rail: 38kg, 43kg, 50kg, 60kg, 75kg
C. Lifting rail oblique joint: 43kg, 50kg, 70kg, 80kg, 100kg, 120kg
