Mining equipment, marine resource landing equipment equipped with it, and marine resource landing method

摘要

To provide a mining device to make it possible to improve the mining efficiency, a marine resources lifting device provided with the mining device and also a marine resources lifting method.SOLUTION: A double row downhole motor 2 is a mining device provided with an even number of downhole motors 2A-2L, which are juxtaposed with axes parallel to a collecting device serving as a mining device body. In the even number of downhole motors 2A-2L, the rotational directions of the adjacent downhole motors are set to be opposite to each other.SELECTED DRAWING: Figure 4