In order to meet the needs of technical school teaching and on-the-job crane operator training, a new version of crane operator training course was compiled according to the requirements of Workers' Technical Grade Standard, Workers' Intermediate Operation Skills Training Outline and the national standard, Crane Driver Safety Technical Assessment Standard.

The main contents of the course include: overview of crown block; Safety technology of main components of crown block; Safety protection device of crown block; Safe operation procedures and maintenance of crown block; Operation of general bridge crane; Operation of metallurgical crane; Electrical equipment and safety technology of crown block; Circuit and principle of crown block; Common faults of crown block and their elimination methods: The requirements of crane operator's technical level and the practical operation skills examination examples are given in chapter *** 10, and the answers to the questions are given. At the end of the book, the promotion command signal is attached. This book is concise and practical, which is convenient for workers to study and test by themselves. The examination appraisal question bank and the examination appraisal simulation paper can be used as the training and self-test of students, and can also be used as a reference for grading evaluation and vocational skill appraisal departments to make propositions.

This book can be used as a teaching material for the course of crown block in technical schools and secondary vocational schools, as well as a training material for junior and intermediate crown block workers in industrial and mining enterprises and social training classes, and as a reference for relevant professional and technical personnel.