Introduction of Rail Retarder Dowty Retarder

Introduction of Rail Retarder Dowty Retarder

As we all know, the various friction and other obstructions that damp free vibrations are called damping. And the "special" components placed on the structural system can provide resistance to movement and dissipate movement energy, which we call dampers.

Dampers are also called damping devices. A device made to increase damping in order to rapidly attenuate vibrations when subjected to an impact. The ideal damper is an oil damper. Commonly used oils are silicone oil, grate sesame oil, mechanical oil, diesel oil, motor oil, and transformer oil, which can be made into plate type, piston type, square cone, cone, etc. Others include solid viscous dampers, air dampers and friction dampers. According to the practical needs of vibration isolation design, the best damping ratio is in the range of D=0.05～0.2.

A damper is a device that provides resistance to movement and consumes movement energy.

Dowty Retarder is also a kind of damper, which is widely used in railway traffic.

Introduction of Rail Retarder Dowty Retarder

TDR601 new Rail Retarder (hereinafter referred to as Retarder) is designed to meet the performance parameters in TB / T2460-93 standard basis, security Installation, maintenance convenience as the main design direction, and its features are the following aspects:

1. Compact, small body, do not climb when installing ballast.
2. The quality of retarder is 6.9 kg, light weight, greatly reducing the workload of maintenance personnel to install and maintenance.
3. The abolition of the traditional mushroom head, avoid topping phenomenon, longer life, saving the maintenance workload and maintenance costs.
4. Hand in hand with a ring seal cover, easy accessibility, to extend the service life of the sealing cap.

Heavy duty, single acting, serviceable damper designed to slow the return of the wing rail on spring frog switches. Spring frog switches are usually remotely located.  The spring loaded wing rail is biased to the main track, so as the wheels of trains approaching on the side track hit the wing rail, it springs open to allow the train through.  The damper slows the return of the rail for about 30 seconds thus reducing the number of wheel/rail impacts and so reducing wheel/rail wear.

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