Tension constant compensation device
Patent Information
- Authority / Receiving Office
- CN · China
- Current Assignee / Owner
- YANGZHOU DONGFANG HANGER FRAME CO LTD
- Publication Date
- 2005-09-07
- Estimated Expiration
- Not applicable · inactive patent
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Abstract
Description
technical field
[0001] The invention relates to a device for compensating the length change of catenary cables and contact wires (hereinafter referred to as cables) caused by environmental temperature changes and keeping the tension constant, belonging to the technical field of electrified railway power supply. Background technique
[0002] According to the applicant's knowledge, at present, the tension compensation device widely used in the electrified railway catenary is composed of concrete or cast iron weights and pulley blocks. Although this compensating device has the advantage of simple structure, it has the disadvantages of large volume, heavy weight, unattractive appearance, and easy swing and collision in strong wind. In addition, due to the need to use auxiliary structures for support, guidance and protection, its installation and maintenance costs are high. Especially in the case of electrified catenary transformation under low and narrow clearance conditions su...