语言
Applicable to electrified railway catenary system in the contact suspension anchor spring tensioning device, can be divided into volute spiral spring compensation device, column type spring compensation device
Spring tensioning device
Applicable to electrified railway catenary system in the contact suspension anchor spring tensioning device, can be divided into volute spiral spring compensation device, column type spring compensation device
Volute spiral spring tensioning devices: more often used in low-clearance tunnels where tensioning wheel and pulleys cannot be used to lower anchors, or in urban areas and stations crossed by railway where landscaping is required, as well as in transportation and power supply systems such as power plants and mines, where constant tension compensation is required.
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