Shield pump

The utility model discloses a shield pump, the on -line screen storage device comprises a base, set up on the base the first pump body and with the second pump body that first pump body symmetry set up, the first pump body and second pump body top are through U type pipe connection, U type pipeline top sets up the flange delivery port, the check valve has all been cup jointed on the pipeline of U type pipeline both sides, the first pump body and second pump body top all are provided with the power cord. The utility model discloses can satisfy the various demands of customer, adopt the double pump structure, can more rationally accomplish the domination of the energy, avoid the waste of the pump operation energy, prevent just in case one of them pump is bad, can also ensure that the customer continues the use and need not break -down maintenance, change, the tradition is exerciseed magic, and the customer can install two pumps at same station, and one of them platform is reserve, and the utility model disclose