Shandong China Coal Import & Export Co., Ltd.

The dowty retarder is a kind of equipment which uses hydraulic oil and elastomer as the medium, is installed on the rail, and contacts with the wheel through the cap of the sliding cylinder, so as to

When the locomotive or vehicle reversely passes through the dowty retarder, the sliding cylinder will be locked in the low position after being pressed down by the wheel flange, and will not brake the

In order to clarify the functional relationship between the components inside the dowty retarder, we carefully analyzed the structure and functional principle of the dowty retarder, and obtained the f

Due to various reasons, the phenomenon of "false top" of dowty retarder exists in various marshalling yards to varying degrees, and it is relatively hidden. It is not easy to be found if it does not p

The performance of dowty retarder is mainly determined by its internal pressure valve. Through the understanding of the functional principle of the dowty retarder, we know that there are many importan

In recent ten years, the operation practice of marshalling stations at home and abroad has fully proved that the dowty retarder, as a continuous speed control equipment for hump, has the following fo