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Electric overhead crane overload limiters

Nov 04, 2019
1. The comprehensive error of the overload limiter should not exceed 8% for mechanical type and should not exceed 5% for electronic type;
2. When the electric overhead crane load reaches 90% of the rated lifting capacity, it should be able to issue a warning signal;
3. After the electric overhead crane is equipped with the overload limiter, it should be adjusted and calibrated according to its performance and accuracy. When the load exceeds the rated lifting capacity, the power source can be automatically cut off and a prohibitive alarm signal is issued;
4. Electric overhead crane, jib crane and gantry crane should be equipped with overload limiters; electric chain hoists and wire rope electric hoists can also be installed according to actual needs.
electric overhead crane