Cutter Receiver

Cutter Receiver

Road Scarifier Cutter Characteristics Of Motion Analysis

Scarifier cutter rotating load (through the machine weight and the machine forward movement) on the surface of materials by scarifier in the scarifier tool scarifier pavement materials being generated at a very high contact stress, the contact stress reached its limit, the road materials be crushed and caving, with the movement carried out (tool rotation, the machine linear motion), the road objects are crushing and caving uninterrupted alternating to form scarifier.

scarifier drum for scarifier, the tip speed from the rotation speed (scarifier rate) ω and running speed (feed rate) v two parts. Tip of the cutting path for the rotating wheel lines, equation described as:
x = vt + rsinωt
y = r (1-cosωt)
Where: ω-angular velocity, ω = 2πn/60, n-scarifier revolution speed, r-scarifier radius

scarifier drum every week, rotating, scarifier tool scarifier drum space in the projected area of the axial rotation wheel line and the road constitutes a region. In the horizontal direction, rotating wheel line distance of any two adjacent W = 1000vt/60 (mm), hi for the scarifier depth. The bottom-up by the scarifier cutter, scarifier thickness is gradually increasing.

The invention is a road scarifier for cutting road surfaces, comprising: a frame provided with a cutter, supported by tracks by means of hydraulic actuators suitable for modifying the position of said cutter with respect to the road surface; driving means to obtain the setting in motion of the machine and the rotation of said cutter; right and left sensors arranged at the sides of the machine and suitable for measuring the distance from the road surface; sensors to show the inclination of said machine with respect to the horizontal plane.

Each one of said right and left sensors and said inclination sensor ( alpha ) sends signals to first data processing systems, said first data processing systems being suitable for comparing the values measured with those preset and for sending out difference signals ( delta S, delta D, delta alpha ) that are received by a data processing unit capable of sending control signals to hydraulic actuators connected to the frame of the machine, in such a way as to reduce to zero the difference signal sent out by said first data processing systems.

Road scarifier according to claim , characterized in that the values preset in said first data processing systems are two, the third value being derived directly from the other two.

Road scarifier characterized in that said data processing unit is provided with a selector suitable for enabling two of the three first data processing systems, indifferently, for the presetting of data, the third of said first data processing system being set consequently.

Road scarifier characterized in that the hydraulic actuators are hydraulic cylinders, more precisely two front and two rear cylinders, said front cylinders being hydraulically connected to each other, so that they can be operated by means of a single control.

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