Specificații ale sistemului de fixare a căii ferate de tip E

SpecificațiileSistem de fixare a căilor ferate de tip Esunt bogate și variate, concepute pentru a se adapta la diferite condiții de lucru ale căilor ferate .
As the core of the system, E-type spring clips have many specifications and models, such as the common E1609, E1809, E1817, E2007, E2009, E2055, etc. Although there is no unified standard interpretation of its model naming, the first two digits are generally related to the rail type or key size applicable to the spring clip, and the last two digits mostly reflect the design parameters of the spring clip itself. From the perspective of size, different models have differences in the opening size, buckling length, thickness, etc. of the spring clip. For example, some models may have a spring clip diameter of 16mm, 18mm or 20mm, corresponding to different mechanical properties. ​

In terms of mechanical performance specifications, buckling pressure and elasticity are key indicators. Taking buckle pressure as an example, the buckle pressure of the E2009 model is relatively large, which can reach about 13-18kN. It is suitable for high-speed or heavy-load railways and can resist the huge force generated by train operation; the buckle pressure of the E1809 is generally 10-15kN, which is suitable for ordinary trunk railways and balances cost and performance. In terms of elasticity, different models are also designed differently. For example, the E-type spring clip used in urban rail transit, in order to take into account the noise reduction needs, its elastic design can better absorb the vibration generated prin funcționarea trenului și reducerea transmisiei de zgomot .

In addition, different specifications of E-type spring clips are also distinguished in material selection and manufacturing process. The E-type spring clips commonly used in heavy-load railways may use high-strength spring steels such as 60Si2MnA and 60Si2Cr. After special heat treatment process, the material strength and fatigue resistance are improved to ensure long-term bearing of repeated loads of heavy-load trenuri; În timp ce clipurile de primăvară de tip E ale liniilor obișnuite folosesc materiale cu costuri mai mici și procese convenționale pentru a reduce costurile de producție, în timp ce îndeplinesc cerințele de performanță . Standardele sale de fabricație se referă la DIN 17221, BS 970, GB/T 1222, etc. . pentru a asigura o calitate fiabilă .} {

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Bara de arc de tip E din sistemul de fixare a căii ferate de tip E are un sistem de specificații bogat, de la dimensiune, proprietăți mecanice la tehnologie materială, care este complet adaptat la diverse scenarii feroviare de la mare viteză la obișnuit, de la sarcină ușoară la sarcină grea, asigurând funcționarea stabilă a căilor feroviare .}