Features and performance of hydraulic slewing crane

* Hydraulic slewing crane has the characteristics of light weight, flexible operation, convenient maintenance, etc.

* Crane action is carried out by three power systems: lifting, slewing and luffing.

Hoisting, slewing and luffing are to be fully hydraulic driven by hydraulic motor set.

* The electric motor and pumps are mounted at rotary base interior.

* Hoisting winch is mounted on the slewing bearing, the drum turn to wind the steel wire to lift cargo. The steel wire Is galvanized with no twist.

* The slewing mechanism Is mounted on slewing bearing, It Is driven by a fine hydraulic motor, crane slewing Is to be achieved by means of direct engagement of Internal teeth with the output pinion of planet gear box.

* Crane luffing is to be driven by a fine performed hydraulic cylinder, the limits of cylinder also have the function of safe buffering.

* All action Is to be completed by a multi-directional valve.

* On the side of console is fitted with a manual emergent pump which Is 

used for emergence release in case of power off.

* Oil tank Is fitted with level and temperature meter, etc.