The invention relates to the technical field of extension devices, in particular to a dump truck extension device comprising a fixed pump head and a connecting base forming a pump with the fixed pump head. The fixed pump head is provided with two opposite first installation holes, the connecting base is provided with two opposite second installation holes, and the straight line where the center points of the two first installation holes located is perpendicular to that where the center points of the two second installation holes located; a crossed connector is arranged in the internal space of the pump formed through the fixed pump head and the connecting base and is connected to the two first installation holes of the fixed pump head and the two second installation holes of the connecting base through four connecting sleeves. According to the device, when the oil pump operates, the piston rod presses a car outwardly and stably, and the purpose of unloading goods from the car can be achieved.
Dump truck extension device
2015-04-01
Patent
Electronic Resource
English
IPC: | B60P Fahrzeuge zum Transport von Lasten oder zum Befördern, Tragen oder Aufnehmen besonderer Lasten oder Gegenstände , VEHICLES ADAPTED FOR LOAD TRANSPORTATION OR TO TRANSPORT, TO CARRY, OR TO COMPRISE SPECIAL LOADS OR OBJECTS / F15B SYSTEMS ACTING BY MEANS OF FLUIDS IN GENERAL , Druckmittelbetriebene Systeme allgemein |
Dump truck body, dump truck components, dump truck body support structure
European Patent Office | 2021
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