System for testing energy efficiency and performance of hoisting mechanism

The utility model discloses a system for testing the energy efficiency and the performance of a hoisting mechanism, which belongs to the technical field of measurement of performance indexes of a crane. The system comprises an industrial personal computer, a programmable controller, an LXI intelligent testing instrument, a laser range finder, a current and voltage transformer, a power supply unit and a conversion junction box, wherein the industrial personal computer is connected with the LXI intelligent testing instrument, the programmable controller and the laser range finder respectively; the current and voltage transformer is connected with the LXI intelligent testing instrument and the power supply unit respectively; the programmable controller is connected with the laser range finder and the power supply unit respectively; and the conversion junction box is connected with the current and voltage transformer, the power supply unit and the programmable controller respectively. The system provides practical measured data and important indexes for power saving, consumption lowering and performance testing of the hoisting mechanism and provides an effective testing measure and a verification method for the research and development of a novel energy-saving product.