Views:8 Author:Site Editor Publish Time: 17-05-2017 Origin:Site
Bridge crane in the following circumstances shall not be lifted;
(1) no command or command signal is not correct.
(2) defective driving equipment or failure safety device .
(3) overload lifting or equipment quality is not confirmed.
(4) people standing on or under the lifting objects or lifted by the crane.
(5) the light is dark, unclear vision
(6) the lifting objects have sharp edges or cable-stayed, without any safety measures.