Electro-hydraulic monorail crane

The utility model relates to the technical field of coal mine equipment, in particular to an electro-hydraulic monorail crane, which comprises a power supply, a hydraulic station, a driving part and a walking trolley, and further comprises a self-locking device for preventing the monorail crane from sliding on a slope, the self-locking device comprises a friction wheel lapped with a track, a transmission rod is connected below the friction wheel, and the transmission rod is connected with the walking trolley. The middle of the transmission rod is sleeved with a positioning cylinder, a driving bevel gear is arranged at the lower end of the transmission rod and meshed with a driven bevel gear, a ratchet wheel is fixedly connected to the side, away from the driving bevel gear, of the driven bevel gear, and the ratchet wheel is meshed with a pawl used for limiting one-way rotation of the ratchet wheel. 本实用新型涉及煤矿设备技术领域，尤其涉及一种电液动单轨吊机车，包括动力电源、液压站、驱动部、行走小车，还包括用于防止单轨吊机车在斜坡上滑动的自锁装置，所述自锁装置包括与轨道搭接的摩擦轮，所述摩擦轮下方连接有传动杆，所述传动杆