LH type electric hoist bridge crane. It has the advantages of compact shape size, low building headroom height, light weight and small wheel pressure. It is suitable for the transfer, assembly, maintenance and loading and unloading operations of machining workshop, metallurgical auxiliary workshop, warehouse, material yard, power station, etc. It can also replace the ordinary double-beam bridge crane for the production workshop of textile industry and food industry. Its working type is light and intermediate, the working environment temperature is -25℃ to 40℃, and it is prohibited to use in the environment of flammable, explosive and corrosive media.