Development of an Automatic Differential Lock Based on the Tangential Inertial Forces Principle

Development of an Automatic Differential Lock Based on the Tangential Inertial Forces Principle

© 2021 by IJETT Journal
Volume-69 Issue-10
Year of Publication : 2021
Authors : M.S. Dmitriyev, V.V. Rudnev, M.L. Khasanova, E.P. Merkulov, I.A. Polunin
DOI :  10.14445/22315381/IJETT-V69I10P202

How to Cite?

M.S. Dmitriyev, V.V. Rudnev, M.L. Khasanova, E.P. Merkulov, I.A. Polunin, "Development of an Automatic Differential Lock Based on the Tangential Inertial Forces Principle," International Journal of Engineering Trends and Technology, vol. 69, no. 10, pp. 7-14, 2021. Crossref,

This paper is dedicated to solving the problem of increasing vehicles traction and cross-country ability and reducing the likelihood of road traffic accidents.
All the conventional car differentials operate normally only as long as the grip exceeds the resistance forces. If the drive wheels operate on surfaces with different coefficients of adhesion between tires and road or one of the wheels of the drive axle is suspended, then the presence of a differential has a negative impact on the car movement. The vehicle stops or moves more slowly and skids because its grip is determined by the adhesion of the wheel on poor road surfaces. Most often, one wheel hits a slippery area, while the other one is in an area with a higher grip coefficient. If in this position of the car the axle shafts are coupled, then the tractive effort will be increased due to the grip of the wheel, which is in more favorable conditions. Most of the existing differential locks have a complex design or require skill in driving and have other disadvantages. As a solution to this problem, the authors proposed the automatic device for locking an open differential, operating on the tangential inertial forces principle, which is distinguished by its simplicity of design. This mechanism turns on and off automatically, has low internal friction, and is reliable in operation. Its positive side is that it does not impair the conventional differential operation under the vehicle’s various modes of motion.

traction force, grip, cross-country ability, differential lock, drive wheel, angular acceleration, tangential inertial forces.

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