| 摘要 |
A pipe-laying machine includes a self-propelled tracked vehicle, on one side of which is fitted a crane designed for lifting and laying pipes. The machine is also fitted with a counterweight constituted by a plate made of a heavy material that moves between a rest position in which it retracts fully into the vehicle and an operational position in which it projects from the vehicle on the opposite side to the crane. In the machine according to the invention, engine unit and control cab are located at each end of chassis, projecting slightly from it, to leave a free space in the central part of the vehicle for the installation of all the mechanisms designed for the movement and control of the crane.
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