Improvements relating to road cutting apparatus

Details Improvements relating to road cutting apparatus Improvements relating to road cutting apparatus

E - Fixed Constructions

01

C

E01C 23/088 (2006.01)

Patent

CA 2174125

A road cutting apparatus has a drum (38) for planing a strip in the road surface (46) as the apparatus moves in a working direction (56). To give the apparatus stability during cutting, the apparatus has three point suspension in that it stands on three wheels (26, 28, 30) at the speces of a triangle ABC which is assymetric in relation to said direction (56) and the cutter drum (38) lies outside the triangle ABC adjacent one side AC and behind two of the wheels in said direction (56), so that the wheels can run on the uncut road surface as cutting takes place. The wheels at the ends of said triangle AC are independently steerable and the third wheel is a castor wheel giving the apparatus excellent manoeuvrability.

Un engin de travaux publics destiné à raboter une bande sur la surface d'une route (46) en se déplaçant dans un sens de travail (56), comprend un tambour de rabotage (38). Afin de conférer une certaine stabilité à cet engin pendant l'opération de rabotage, on a doté celui-ci d'une suspension à trois points d'appui, à savoir qu'il repose sur trois roues (26, 28, 30) placées aux sommets d'un triangle ABC asymétrique par rapport au sens du travail (56), le tambour de rabotage (38) se situant en dehors de ce triangle, au voisinage du côté AC, et derrière deux des roues par rapport audit sens du travail (56), de manière que les roues puissent rouler sur la surface de route non rabotée pendant l'opération de rabotage. On peut orienter indépendamment les roues situées aux sommets AC du triangle, la troisième roue étant une roue pivotante donnant à l'engin une excellente manoeuvrabilité.

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