Nylon fastener JL-e

Application: The fastener is an e type non-bolt mounted elastic rod fastener specially developed for the subway. Its properties are fewer parts, compact structure, no bolt, stable fastening pressure, easy installation, and less maintenance. It mainly applies to metro railway transportation, which can reduce noise, vibration and other impact brought from subway to the surrounding urban environment. Fastener structural characteristics: The fastener mainly consists of rubber tie plate under the rail, vibration absorber and insulation buffer washer. The vibration absorber is the main part of the vibration and noise reduction fastener, it consists of upper and lower iron washers, middle rubber vibration absorption washer, nylon locking ring and so on, its unique advantage is the detachable structure, the middle rubber vibration absorption washer can be replaced, iron washer can be repeatedly used, which significantly reduced the maintenance and running costs of rail fastener. Technical parameters: 1. - The fastener applies to 60kg/m Steel rails 2. - Elastic rod types: D I elastic rod 3. - Static stiffness: 10 ~ 15KN/mm 4. - Ratio of dynamic stiffness to static stiffness: s1.35 5. - Height adjustment: 30mm 6. - Railway gauge: single track -8 ~ +10mm 7. - External dimensions: 370mmx200mm 8. - Anchor boit hole spacing: 240mmx100mm 9. Application scope: for area, ground and tunnel with higher requirements towards vibration and noise réduction