Electric hoist is the main function of the hook spacing device with guide line of work, when the hoist hook rose or fell to limit the height of the guide rope device will drive limit lever block, limit switch, the power to make the hook to stop lifting, but many customers are reflected in the process sprocket rope is easy to damage, block is also often shift, which leads to hook spacing device fails, will therefore have an accident.Electric hoist the user how to avoid to solve above problem?Any method of improve the hook spacing device?The Shanghai engineering for your introduction: usually use electric hoist, when hook limit work, hook with the shell of the hoist has the safe distance of 500 ~ 600 mm.At this time we can use safe distance in gourd shell plus the weight limit, can be avoided.Iron shell will be a fixed on the electric hoist shell, pull switch in series hook up the normally closed contact of the contactor coil circuit.Pull a heavy hammer through feeds off the gourd shell 3.
