Dimensions of various parts of common turnout guardrails
Jul 28, 2025| 1. Types of turnout guardrails:
Spacer type guardrail: The rail-spacer type turnout guardrail is made of ordinary rails of the same type. Spacer irons are used to maintain the width of the wheel flange groove. Four rail supports are set on the inner side of the guardrail to maintain the position of the guardrail. Semi-circular head square diameter bolts are used for connection. It is the main form of "75" type turnout guardrail.
H-type guardrail:
The rail-spacer type turnout guardrail is made of ordinary rails of the same type. Spacer irons are used to maintain the width of the wheel flange groove. Four rail supports are set on the inner side of the guardrail to maintain the position of the guardrail. Semi-circular head square diameter bolts are used for connection. It is the main form of "75" type turnout guardrail.
Trough type guardrail:
The rail-spacer type turnout guardrail is made of ordinary rails of the same type. Spacer irons are used to maintain the width of the wheel flange groove. Four rail supports are set on the inner side of the guardrail to maintain the position of the guardrail. Semi-circular head square diameter bolts are used for connection. It is the main form of "75" type turnout guardrail.
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Alina Shen
Jinzhou Tiegong Railway Maintenance Machinery Co.,Ltd.
E-mail: jztg0115@163.com / alina@tiegong.net
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