MK-20/E Electric operated container spreader
The CONTECH® MK-20/E spreader is developed for use in places with limited overhead space like warehouses or underground processing plants. It is equipped with two lifting points along the central axis which accepts the hooks of a twin bridge crane system.
A version with four points, or other custom made configurations are also possible.
The electric linear actuator (C) mounted in the center of the spreader, operates the 4 twistlocks at the bottom corners of the spreader. Two sets of solid state proximity switches detect the position of the twistlocks (open or closed) (B) and the presence of the container at the corner (A).
The Siemens LOGO! PLC computer, located in the metal electric box in the center of the spreader (E), controls the linear actuator and all the safety features, for example the blocking of the bridge crane lifting engines while the twistlocks are operating. This is to prevent for instance that the operator would lift the container while the twistlocks are not fully closed/open. Two sets of warning lamps with green and red lights (D), mounted on the sides of the spreader, display the system status and warn the user of operation errors.
This type of spreader can be operated either with a dedicated radio remote controller or, if required all the commands can be integrated seamlessly in the bridge crane controller.
The standard model for 20' containers has a SWL of 20t, but custom made designs are also available for other container sizes and/or different SWL values.
Custom made in Europe.
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