Kren overhed underhung dengan landasan lengkap digunakan terutamanya untuk pengangkutan bahan dalam bengkel pembuatan dan pemprosesan jentera dalaman, bengkel pemasangan, gudang, halaman bahan, untuk mengangkat peralatan penyelenggaraan tetap seperti loji kuasa, dan lain-lain majlis. Ia juga boleh digunakan dalam bengkel metalurgi dan tuangan sebagai peralatan mengangkat tambahan. Selain itu, ia tidak sesuai untuk persekitaran mudah terbakar, bahan letupan, gas mudah terbakar, habuk dan gas yang menghakis. Walau bagaimanapun, ia tidak sesuai untuk persekitaran sinaran nuklear dan persekitaran gas toksik.

Underhung cranes are lifting equipment that are placed horizontally over workshops, warehouses and stockyards for lifting materials. Because the two ends of the bridge's underhung cranes are located on tall cement columns or metal supports, and are shaped like a bridge, they are commonly known as "overhung cranes" and "driving cranes." It is a kind of lifting machinery with wide range of use and large quantity.

After understanding the basic parameters of underhung cranes, we must also understand the metal structure frame structure of the bridge crane in detail. Let’s share it with you. The metal structure of underhung cranes is the skeleton of the crane, on which all mechanical and electrical equipment are distributed. It is the load-bearing structure of the crane and makes the crane form a whole mechanical equipment.