The invention relates to a commodity vehicle transportation van semi-trailer. The commodity vehicle transportation van semi-trailer is characterized by comprising a top cover framework (1) and a peripheral framework (4) welded to the periphery of a frame, a telescopic outer beam (5) is fixedly arranged on the peripheral framework (4), an oil cylinder base (9) is arranged at the portion, below the telescopic outer beam (5), of the peripheral framework (4), a lifting oil cylinder (8) is fixedly arranged on the oil cylinder base (9), a telescopic inner beam (6) is installed on a piston rod of the lifting oil cylinder (8), inserted in the telescopic outer beam (5) and connected with the top cover framework (1), and a dividing and throttling valve (10) for ensuring the synchronism of the oil cylinder and a hydraulic reversing valve (11) for controlling the oil cylinder to rise and fall are arranged on an oil way of the lifting oil cylinder (8). The commodity vehicle transportation van semi-trailer is suitable for a large van trailer, and the lifting synchronism of a movable top cover lifting mechanism is high.
Commodity vehicle transportation van semi-trailer
2015-11-11
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 |
Semi-trailer tractor main vehicle and semi-trailer tractor
European Patent Office | 2023
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