| 摘要 |
A plastic board drain inserting apparatus for improvement of a soft ground is provided to widen a caterpillar by driving the caterpillar with first and second motors. A plastic board drain inserting apparatus for improvement of a soft ground comprises a vehicle with caterpillars(145). The vehicle with caterpillars is provided with a plurality of drive sprockets(153,154) for rotating the caterpillars. Several drive sprockets are provided to the caterpillars. The drive sprockets are driven by a plurality of motors(151,152) independently. |
