The invention discloses a dumper tail structure with a hydraulic locking device. The upper part of a back door body is a hinge plate which is hinged with a hinge seat, the hinge seat is arranged at the upper end of a dumper box body, an oblong hole is formed in a connection part between the hinge plate and the hinge seat and is matched with a connecting shaft on the hinge seat, and the connecting shaft and the oblong hole can generate relative movement; a latch hook clamping shaft is arranged at the lower part of the back door body, and a hook clamping shaft is arranged between the hinge plate and the latch hook clamping shaft on the back door body and is clamped with a hook on the side wall of the dumper box body. According to the dumper tail structure with the hydraulic locking device, a back door and the hydraulic locking device use cooperatively, the locking effect is excellent, the fitting degree of the back door and the box body can be improved, and material leakage can be effectively prevented; the hydraulic locking device can further prevent the back door from jumping up, and ensure the safety and the reliability of a vehicle during using; the hydraulic locking device can further increase the pushing force of a hydraulic cylinder, and provides a larger locking force; the dumper tail structure with the hydraulic locking device has the advantages of being simple in operation, safe, reliable and high in controllability.
Dumper tail structure with hydraulic locking device
2015-06-10
Patent
Electronic Resource
English
Electric hydraulic locking device for tail door of dumper
European Patent Office | 2022
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