Silicone oil torsional vibration damper

Abstract

The invention relates to a silicone oil torsional vibration damper, and belongs to the technical field of engine vibration reduction. The silicone oil torsional vibration damper comprises a shell and a side cover matched with the shell. An annular groove is formed in one end face of the shell. The side cover covers an opening of the annular groove to form a sealed inner cavity. An inertia ring is arranged in the sealed inner cavity through a bush in a sliding and sleeved mode. The gap between the shell and the inertia ring is filled with silicone oil. As innovation points, the thickness of the inner ring of the inertia ring is larger than the thickness of the outer ring of the inertial ring, the fracture of the inertia ring is in a trapezoid shape, and the axial clearance between the end face of the inertia ring and the inner wall of the sealed inner cavity is in a wedge shape; thus, the rigidity and the damping of a shock absorber are improved under the same condition, the axial clearance between the inertia ring and the shell is enlarged on the premise that the reliability of the shock absorber and the compactness of the spatial arrangement of the shock absorber are ensured, the shock absorber can adapt to a higher axial acceleration, the shock absorption performance of the shock absorber is improved, and the service life of the shock absorber is prolonged.

Description

technical field [0001] The invention relates to a silicone oil torsional vibration damper, in particular to an inertia ring in the silicone oil torsional vibration damper, and belongs to the technical field of engine torsional vibration dampers. Background technique [0002] Silicone oil torsional vibration damper is a kind of engine torsional vibration damper. It mainly plays the role of reducing the torsional vibration of the engine crankshaft system during the working process of the engine. Certain effect. Such as figure 1 Shown: the traditional silicone oil shock absorber is made of housing 1, side cover 2, inertia ring 3, bushing 4, oil filling screw plug 6 and silicone oil. The shock absorber housing 1 formed by stamping steel plates (or processed after casting) is fixedly connected to the front end of the crankshaft, and the side cover 2 and the shock absorber housing 1 form a sealed cavity, in which the inertia ring 3 slides in the On the bushing 4, the inertia ...

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Problems solved by technology

[0005] The purpose of the present invention is to solve the problem that when the existing silicone oil torsional vibration damper bears too much axial acceleration, the inertia ring and the inner wall of the sealing cavity are prone to hard contact, causing friction and heat, which quickly leads to excessive temperature rise of the damper, causing the Insufficiency of silicon oil coking and failure, provide a silicone oil torsional vibration damper that can adapt to large axial acceleration of the shaft system, is not easy to cause excessive temperature rise due to friction and heat, and silicone oil is not easy to coke, its use reliability and space layout The compactness is better, further improving the performance of the shock absorber and increasing the service life of the shock absorber

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