What are railway rail fasteners？

Railway rail fasteners

Railway rail fasteners are a kind of railway accessories. The parts used to combine rails and sleepers (or other types of under-rail foundations) on the track are also called central joint parts. Its function is to fix the steel rail on the sleeper, maintain the gauge and prevent the longitudinal and lateral movement of the rail relative to the sleeper.

The railway rail fastener system is divided into the shrapnel fastener system, gusset fastener system, and elastic strip fastener system. The gusset-type fastener is composed of a gusset plate, a threaded spike, a spring washer, an iron seat, and a buffer pad. The threaded spike is anchored in the reserved hole of the concrete sleeper bearing platform with sulfur cement mortar, and then bolts are used to fasten the buckle. Plate fastened.

There are elastic strips I, II, and III types of clip fasteners. Type I elastic strip is composed of ω elastic strip, screw spike, gauge baffle, and rubber pad. Its buckle pressure is short and the elastic range is small. The shape of the elastic strip type II is the same as that of the elastic strip type I, and the elastic range is not less than 10mm. The buckling pressure is higher than that of the elastic strip type I. Type III spring clips are shoulderless fasteners, which are suitable for severe transportation and high-density transportation conditions. Possibility of lateral displacement under seizures.

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Principle of rail clamp design

Principle of rail clamp design rail clamp design The rail clamp design has several functional features: 1. Adjustability: The adjustable length is 15mm, and its adjustability functions include: (1) The rail presser is easy to install, saves time, and has high precision (2) The track can be adjusted if the structure of the support beam is slightly changed. 2. Anti-loosening: Under the action of the lateral force of the track, through the force analysis of the welding RTYB, a part of these lateral forces are transmitted to the bottom seat through the upper cover plate as the pressure of the bottom edge to seat on the upper cover plate. The other part is the lateral friction between the base and the upper cover. Since the wedge-shaped action between the base and the upper cover plate is converted into the tightening force of the bolts, it has an anti-loosening effect. 3. Self-locking: The three pieces are self-locking together through the interaction of the upper cover, the base, and the

steel chamfer / triangular steel bar supplier from China- Glroysteelwork

steel chamfer / triangular steel bar supplier from China- Glroysteelwork Steel chamfer is manufactured from cold drawn steel and can be welded or bolted into place to provide relief from sharp edges to reduce chipping and spalling.Steel chamfer is available in three sizes: 10mm*10mm15mm*15mm20mm*20mm25mm*25mm Glorysteelwork is an professional manufacture of cold drawn, we have many years export experiences and long term cooperation clients. Materials: SS400/A36/Q235B Length:4000mm or as required Contact Us E-mail： info@glorysteelwork.com Whatsapp：86 15036167067 Mobile: 86 15036167067 Skype: karenwu7067

What is rail creep

What is rail creep rail creep Rail creep is also known as line crawl. The creeping phenomenon of the rail along the longitudinal direction of the line. With the increase in railway transportation tasks, the impact of the wheels on the rails when the train is running accelerates the creep of the rails. Rail creep can cause many diseases of the line. In order to prevent the occurrence of track creep diseases, it is necessary to find out the real cause of creeping in order to effectively eliminate the problem. There are two different manifestations: the rails move along the soft sleeper surface due to insufficient fastening pressure of the fasteners; the longitudinal movement of the row is caused by insufficient ballast bed resistance. The reason for this is the longitudinal force of the rail caused by the wheel rolling and longitudinal slip, train braking, the change of rail temperature, and the creep caused by the deflection and deformation of the rail under the action of the wheel load

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