Henan mine crane co., LTD., frequency control of motor speed profile frequency control of motor speed electric hoist electric hoist is modified according to the CD type electric hoist a modified electric hoist.The hoist crane on the assembly special cranes and special inverter frequency conversion motor to make the performance of the electric hoist to qualitative improvement.Frequency control of motor speed effectively solve the ordinary electric hoist electric hoist start and stop the disadvantages of a fierce, effectively reduce the electric hoist hook in the process of using the oscillation amplitude, to reduce the risks in the hoisting process.It is the ideal choice to replace the ordinary electric hoist the gourd.
