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, contacts with the wheel through the cap of the sliding cylinder, and plays the

On the afternoon of June 12, a batch of mining single hydraulic prop equipment ordered by Shanxi Xinzhou merchants is loaded and shipped in China Coal Group's intelligent equipment manufacturing works

The construction speed is the maximum speed that the dowty retarder structure allows the vehicle to pass through. According to the original standard: "the construction speed of various dowty retarder

In order to regulate the unmanned aircraft engaged in operational flight activities and promote the safe, orderly and healthy development of the unmanned aircraft industry, the Civil Aviation Administ

Return time is also an important technical index of dowty retarder, which directly affects the effect of dowty retarder on vehicle work.

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