Anti-slip automatic telescopic hydraulic retaining device of forklift

The utility model discloses an automatic telescopic hydraulic retaining device for preventing a forklift from sliding, and relates to the field of special transportation equipment. Comprising a vertical hydraulic oil cylinder, a bidirectional hydraulic oil cylinder and bevel thrust plates, the top end of a push-pull rod of the vertical hydraulic oil cylinder is fixed to the middle of the bidirectional hydraulic oil cylinder, the bevel thrust plates are installed at the ends of the push-pull rods at the two ends of the bidirectional hydraulic oil cylinder, and the vertical hydraulic oil cylinder and the bidirectional hydraulic oil cylinder are connected with a forklift oil pump. Oil pressure used by the oil cylinder is all supplied by an original oil pump of the forklift, various safety risks caused by the fact that people make contact with the forklift retaining device are reduced, and the using effect of the forklift is improved. 本实用新型公开了一种叉车防溜车自动伸缩液压止退装置，它涉及特种运输设备领域。包括垂直液压油缸、双向液压油缸和斜角止推板，垂直液压油缸的推拉杆顶端与双向液压油缸