Hydraulic freight elevator is a manual handling equipment powered by oil pressure, which lifts and lowers goods through steel wire ropes or chains. It is suitable for lifting and lowering various production lines and automated assembly lines in factory workshops or high-density assembly lines; It is also widely used in places with frequent entry and exit of high-rise shelves in three-dimensional warehouses, and can be installed in non work areas of workshops and between lower floors as a safety protection device to prevent people and objects from falling.

In addition, it can also be used in the automotive repair industry and other aspects of people's daily lives that require vertical lifting and handling actions. Due to its location free installation, simple and reliable operation, it is particularly suitable for automatic transportation and distribution of items (parts) between different processes on production lines, which can improve work efficiency, reduce labor intensity, and improve the working environment to meet the requirements of mechanization and intelligence So this type of up and down reciprocating motion system can also be referred to as a subsystem in logistics conveying systems and material conveying networks.