Abstract The utility model discloses an axle fixing device of a highway and railway dual-purpose semi-trailer. Each independent axle is fixedly provided with a hanging plate perpendicular to the axle, and a hanging pin parallel to an axial direction of the axle is arranged at an upper end part of the hanging plate; corresponding to the positions of the hanging plate and the hanging pin of each axle, a hook seat plate is fixedly arranged on a bottom surface of the corresponding frame, a rotatable hook is arranged on the hook seat plate, and the hook is locked and fixed with the hanging pin after the axle is lifted; and each hook is driven by a cylinder to rotate to be locked and fixed with the corresponding hanging pin after the corresponding axle is lifted, and the cylinder is matched with an air bag of the corresponding air suspension for connecting and lifting the axle. The fixing device is arranged according to the axle structure, the axles are locked and released synchronously, the hooks can be driven to be fixed and driven to rotate, and operation is safe, reliable and stable; a gas circuit system is simple in structure, quick to assemble and reliable in operation performance; and the vehicle can run more safely and stably by means of a mechanical locking manner. Drawings Figl Fig.2 7'
Axle Fixing Device of Highway and Railway Dual-Purpose Semi-Trailer
09.05.2019
Patent
Elektronische Ressource
Englisch
IPC: | B62D MOTOR VEHICLES , Motorfahrzeuge |
Highway-railway dual-purpose tractor frame and highway-railway dual-purpose tractor
Europäisches Patentamt | 2024
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