2013年7月28日星期日

Electric hoist limit, limit switches

Electric hoist limit, limit switches


Wire rope hoist limit switch: You must set up automatic reset type, the lower limit switch. Limit switch should be installed to ensure Diao limit switch is triggered, the left upper safe distance of not less than 1.8M. Lower limit switch should be installed to ensure that the cage rated load drops Publishing trigger the switch so that the cage system to stop, this time from the publication of the trigger switch should have a certain subordinate stars. Confirm ladder cage runtime, the higher limit and lower limit position limit position for the proper and devices sensitive and reliable. Safety checks should be done action experimental verification.
rope hoist limit switch: run out of the cage and jump after the city limit switches, limit switches shall cut off the mains so that the cage parking. Limit switches for non-automatic non automatic reset type, its action must be manually reset after the cage to make when restarted.

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