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CRANE ELECTRO-HYDRAULIC RAIL CLAMP
Crane safety device to prevent outdoor crane from sliding along the track under strong winds. A clamp attached to the bottom structure of the crane is usually used to clamp the two sides of the track head to prevent coasting. The rail clamp is divided into two types: dynamic and electric. Manual rail clamp is generally screw type, simple structure, but the clamping force is small, slow action, mainly used in small and medium-sized or temporary use of cranes with small windscreen area.
Description
1.The manual rail clamp is generally screw type, simple structure, but the clamping force is small, slow action, mainly used in small and medium-sized or temporary use of cranes with small windscreen area.
2.The electric rail clamp is made by the weight through the lever or by the elastic clamp to clamp the track, by the hydraulic system cylinder force to loosen the clamp. The heavy hammer type is heavier, the overall size is large, the clamping force is smaller than the spring type, and the working stability is not as good as the spring type. Electric spring rail clamp through the anemometer and crane to achieve electrical interlock, when the wind speed detected by the anemometer can not ensure the normal operation of the crane wind level (usually corresponding to 6~7), the crane power off, clamp the track. The electric rail clamp has high reliability and is mainly used for large cranes or port cranes.
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