The invention relates to a full hydraulic control trolley system of a bridge crane. The full hydraulic control trolley system comprises a trolley with wheels, wherein a hydraulic walking motor for providing power for the wheels is installed on the trolley; an electric motor is installed on the trolley; a force outlet shaft of the electric motor is connected with a hydraulic pump; the hydraulic pump is communicated with a hydraulic oil box arranged in the trolley; a main lifting winding drum and an assistant lifting winding drum are respectively arranged on the left side and the right side of the electric motor; a main lifting hydraulic motor is installed at the end of the main lifting winding drum; an assistant lifting hydraulic motor is installed at the end of the assistant lifting winding drum; a multichannel electric control valve mechanism used for controlling the main lifting hydraulic motor, the assistant lifting hydraulic motor and the hydraulic walking motor is installed on the trolley; and the multichannel electric control valve mechanism is controlled by an electrical cabinet. According to the trolley system provided by the invention, only one electric motor is used by the entire system, the hydraulic motor with relatively simple structure, light weight, low velocity and large torque is used as an executing mechanism, a reducer is not used, and the mass of the trolley is lightened.
Full hydraulic control trolley system of bridge crane
2015-05-06
Patent
Electronic Resource
English
IPC: | B66C Krane , CRANES |
Lubrication structure for bridge trolley of bridge crane
European Patent Office | 2024
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