A semi-trailer axle

Abstract

The invention belongs to the technical field of transport vehicles and particularly relates to a semitrailer axle. The semitrailer axle comprises a mounting plate, an axle main body, a rotating ring,a first mounting rod, a second mounting rod, a mounting ball and a rotating wheel; the mounting plate is fixedly arranged on the lower surface of the back end of a vehicle body; the right surface wallof the mounting plate is fixedly connected with a lifting spring; the right end of the lifting spring is connected with the internal left end of the mounting all; the right end of the lifting springis fixedly connected with a buffer block; is arranged in a sliding groove in the left end of the mounting ball in a sliding way; the mounting ball is fixedly connected with the upper end of the firstmounting rod; the lower end of the first mounting rod is fixedly connected with the upper surface of the rotating ring; the first mounting rod is arranged in parallel with the mounting plate at the initial time; and the semitrailer axle is mainly used for solving the problems of property loss and life danger which may be caused by the fact that the semitrailer axle in the prior art cannot providea certain braking effect for the semitrailer when the semitrailer stops abruptly and the semitrailer can slide for a long distance during abrupt stop.

Description

technical field [0001] The invention belongs to the technical field of transport vehicles, in particular to a semi-trailer axle. Background technique [0002] A semi-trailer is a trailer whose axle is placed behind the vehicle's center of gravity (when the vehicle is evenly loaded) and is equipped with a coupling device that can transmit horizontal and vertical forces to the tractor. A semi-trailer is generally a three-axle semi-trailer, and its types are divided into There are many kinds of 11-meter barn semi-trailer, 13-meter barn and low-bed semi-trailer. It is a heavy-duty transportation vehicle connected to the head of the semi-trailer through the traction pin. , the semi-trailer can improve the comprehensive economic benefits of road transportation, the transportation efficiency can be increased by 30-50%, the cost can be reduced by 30-40%, and the fuel consumption can be reduced by 20-30%. The organizational form of the semi-trailer plays a role in promoting it to a ...

AI Technical Summary

Problems solved by technology

The invention is mainly used to solve the problem that the axle of the semi-trailer in the prior art cannot provide a certain braking effect when the semi-trailer is in an emergency stop, causing the semi-trailer to slide for a long distance when it is in an emergency stop, which may cause property damage and life danger. question

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