Trapezoidal non-reactive suspension of heavy truck

Abstract

The invention provides a trapezoidal non-reactive suspension of a heavy truck, belonging to the technical field of heavy trucks. The trapezoidal non-reactive suspension is characterized in that upper push rod supporting blocks corresponding to the position of a fifth cross beam are respectively fixed and installed on inner sides of front and rear main longitudinal beam webs, a vertical central line between the front upper push rod supporting block and the rear upper push rod supporting block shifts 20-30mm toward a rear axle relative to the central line between a middle axle and the rear axle, two middle axle upper push rods are arranged in sagittal symmetry and form an isosceles trapezoid, two rear axle upper push rods are also arranged in sagittal symmetry and form an isosceles trapezoid, the two middle axle upper push rods arranged in sagittal symmetry and the two rear axle upper push rods arranged in sagittal symmetry are symmetrical, two middle axle lower push rods are arranged in sagittal symmetry and form an isosceles trapezoid, two rear axle lower push rods are arranged in sagittal symmetry and form anisosceles trapezoid, the two middle axle lower push rod arranged in sagittal symmetry and the two rear axle lower push rods arranged in sagittal symmetry are symmetrical, an axial central line between the rear end section and the rear end section of the middle axle is tilted with an elevation angle alpha of 3.5 degrees-5.5 degrees so as to effectively protect the fifth cross beam. The trapezoidal non-reactive suspension has long service life.

Description

technical field [0001] The invention belongs to heavy trucks, in particular to a balanced suspension of heavy trucks. Background technique [0002] Existing heavy-duty trucks have a reasonable frame structure and relatively stable overall condition, but when the load is large and the road surface is poor, it often causes damage to the balance shaft, thrust rod and fifth beam of the balance suspension system More, reducing the service life. Contents of the invention [0003] The purpose of the present invention is to provide a trapezoidal balance suspension for heavy trucks, which not only has a reasonable structure and good stability, but also directly acts on the longitudinal beam of the frame by the force of the upper thrust rod, effectively protecting the fifth beam, Extended service life. [0004] The object of the present invention is achieved like this: a kind of heavy-duty truck trapezoidal balance suspension, comprises main longitudinal girder, middle bridge, ...

AI Technical Summary

Problems solved by technology

[0002] Existing heavy-duty trucks have a reasonable frame structure and a relatively stable overall condition. The balance shaft, thrust rod and fifth beam of the suspension system are more damaged, which reduces the service life

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