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随着现代科学技术的不断发展,机械生产工具也不断进步。起重机被广泛应用于各种重物的搬运工作中,成为现代建筑业的重要工具,同时也是现场施工中的重要设备,多用于货物的装卸、运输等工作中,有助于减少人工劳动,提升了工作效率。起重机的电气系统是其重要结构,关系着起重机能否正常运行。
With the continuous development of modern science and technology, machinery production tools also continue to progress. Crane is widely used in the handling of all kinds of heavy objects and has become an important tool in modern construction industry. It is also an important equipment in on-site construction. It is mostly used in the loading, unloading and transportation of goods, which helps to reduce manual labor and enhance Work efficiency. Crane electrical system is its important structure, the crane can be related to the normal operation.