Bolted joint is used for fixed connection between adjacent contact rail and its components , as well as transmit electricity power, which made up of two fishplates and fasteners. Material of fishplate is the same to that of contact rail aluminium rail. Fishplate outline close contact to contact rail waist, ensure current continuous. Installation bolted joint need no direction.
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ambient temperature of 40°C and a temperature rise of max 85℃
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electrical resistance at 20C
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The 5 x 105 times after fatigue test, parts should not be cracked or damaged, bolted joint and contact rail without separation.
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The test load and amplitude1.5±0.45kN Frequency of fatigue 1～3Hz
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