The invention provides a trailer traction comprising a tractive frame, a tractive bar, a first spring and a second spring. The tractive frame comprises two oblique beams angularly connected and a middle cross beam connected with the middles of the oblique beams; the connections of the front ends of the oblique beams are provided with first tractive holes; the middle cross beam is provided with a second tractive hole; the tractive bar penetrates the first tractive holes and the second tractive hole; a retainer is disposed on the tractive bar; both the first spring and the second spring sleeve the tractive bar and are located between the connections of the front ends of the oblique beams and the middle cross beam; the first spring and the second spring are disposed on two sides of the retainer. A spring damping device is used to decrease inertia caused impact, and a vehicle is started or stopped slowly and stably; the trailer traction is handy, simple and low in cost; operational safety of the vehicle is improved, protection for quality of goods is enhanced, the service life of the vehicle is prolonged, and maintenance cost is lowered.
Trailer traction
2015-06-24
Patent
Elektronische Ressource
Englisch
IPC: | B60D Fahrzeugverbindungen , VEHICLE CONNECTIONS |
Trailer traction control device and trailer traction system
Europäisches Patentamt | 2023
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