| 摘要 |
<p>The invention concerns a method for automatic limitation of the slippage of the driving wheels of a tractor or of an equivalent working machine in a tractor or equivalent which is provided with an electro-hydraulically operating, electronically controlled lifting gear (12) that is intended for operation of working machines and devices connected to the tractor or equivalent. In the method, the slippage of the driving wheels (8) is determined by measuring the speed of rotation of the driving wheels (8) and the factual travel speed of the tractor or equivalent and by comparing said speeds with one another in an electronic central unit ( 18). According to the invention, into the central unit ( 18), a permitted limit value is programmed for the slippage of the driving wheels and the desired correction movement is preset for the height position of the lifting gear ( 12), whereby, when the factual slippage of the driving wheels (8) is increased to a level higher than said limit value, the slippage of the driving wheels (8) is limited by raising the lifting gear ( 12) by the amount of the preset correction movement. The invention also concerns a control system that makes use of the method. <IMAGE></p> |
