| 摘要 |
Device for guiding a machine 4 for digging trenches or for positioning linear objects parallel to a vehicle which is moving and which is fitted with at least one support 5 with a girder 7 capable of turning, which device is characterised in that each girder 7 is telescopic and can be extended horizontally perpendicular to the axis of the vehicle 3, and in that a support frame 16 is fixed to the moving end of this girder 7, which frame comprises legs 21, 24, at the base of which the machine 4 can be fixed. Application to positioning of troughs along railway tracks. <IMAGE>
|
