LH type electric hoist double-beam bridge crane (referred to as "hoist double") uses electric hoist as the lifting mechanism, the bridge adopts semi-deflection box girder, and the large and small car operating mechanism adopts a "three-in-one" transmission mechanism, and the cable is conductive. The main beam and the end beam are connected by detachable bolts.

"Gourd Shuang" has light weight, small size, simple structure, good grouping, economical and practical. It is convenient to install, use, maintain and transport. It is suitable for maintenance, assembly and loading and unloading of mechanical workshops, warehouses, stockyards, and hydropower stations of light and intermediate systems. The "Shuang Shuang" is a new type of bridge crane with small dimensions, low wheel pressure and low price.
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Rated lifting capacity: 5t, 8t, 12.5t, 16/3.2t, 20/5t, 32/8t (6 types in total)
Span: 10.5m, 13.5m, 16.5m, 19.5m, 22.5m, 25.5m (6 types of operation specifications: ground operation, cab operation).