The invention relates to a magnetic suspension pump device and a
life support system. The magnetic suspension device comprises a magnetic suspension pump and a controller. The magnetic suspension pump comprises a pump body and a
pump head, the pump body is composed of a first support, a torque winding, a suspension winding and a support
assembly, the
pump head comprises a rotor and is arranged at the top of the pump body, the first support is provided with a reference center hole and a plurality of protruding columns, the protruding columns are of hollow structures, and the support
assembly comprises a second support and a second iron core. The second support is provided with a support center hole, a first installation groove, a limiting end face and a sensor, the second iron core is fixed to the second support through the limiting end face and the first installation groove, the length of the second iron core is larger than that of the hollow structure of the protruding column, and the first support and the support
assembly can be assembled by inserting the second iron core into the hollow structure of the protruding column during assembling. By optimizing the structural design, the assembly precision and the operation stability of the magnetic suspension pump are improved, small
blood cell damage of the magnetic suspension pump is ensured, meanwhile, the assembly process is simplified, and the production cost is reduced.