| 摘要 |
The present invention relates to a universal road and all-terrain vehicle trailer for all-terrain drilling devices, which is characterised in that it has at least one wheel axle and at least two pairs of caterpillar units and/or another special chassis, for example metal wheels, rubber wheels, which permits the vehicle to travel on normal roads or over fields. A particular embodiment is characterised in that the pairs of caterpillar units extend hydraulically when required into the working position when on an appropriate terrain. A further particular embodiment of the invention is characterised in that a diesel unit is arranged on the trailer platform, the said diesel unit assuming the function of driving the trailer for off-road operation, and also of driving the drilling element. <IMAGE>
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