New type of shock absorption and anti swing suspension semi submersible vertical turbine pump

A new type of shock-absorbing and anti swing suspended semi submersible vertical turbine pump, which includes a drive shaft and an impeller set at the end, a impeller shaft set at the center of the impeller, an impeller guide bearing set at the upper end of the impeller shaft, and an impeller sleeve seat fixed to the impeller guide bearing. The lower end of the impeller shaft is also equipped with an anti swing bearing; The anti swing bearing is fixed at the center of the anti swing bearing bracket; The anti swing bearing bracket is fixed at the bottom end of the impeller sleeve seat; The lower end of the drive shaft is equipped with a guide bearing; The guide bearing is set at the center of the bearing bracket; A shock-absorbing and anti swing device is installed between the impeller shaft and the drive shaft. It can reduce the vibration and oscillation generated during the operation of suspended semi submersible vertical turbine pumps, with stable operation, long service life, and simple and reliable structure.

Technical requirements: 1. A new type of shock-absorbing and anti swing suspended semi submersible vertical turbine pump, comprising a drive shaft (8) and an impeller (2) arranged at the end, a impeller shaft (3) arranged at the center of the impeller (2), an impeller guide bearing (1) arranged at the upper end of the impeller shaft (3), and an impeller sleeve (10) fixed to the impeller guide bearing (1), characterized in that an anti swing bearing (13) is also arranged at the lower end of the impeller shaft (3); The anti swing bearing (13) is fixed at the center of the anti swing bearing bracket (9); The anti swing bearing bracket (9) is fixed at the bottom end of the impeller sleeve seat (10); The lower end of the drive shaft (8) is provided with a guide bearing (6); The guide bearing (6) is set at the center of the bearing bracket (5); A damping and anti swing device (4) is installed between the impeller shaft (3) and the drive shaft (8); The shock absorption and anti swing device (4) comprises an outer sleeve (41) and an inner sleeve (42); One end of the outer card sleeve (41) is provided with a drive shaft interface (411) fixedly connected to the drive shaft (8), and the other end is provided with a card sleeve slot (413); The card sleeve groove (413) is in the shape of a cross groove, with a cylindrical groove (416) set at its center; One end of the inner sleeve (42) is provided with an impeller shaft interface (421) fixedly connected to the impeller shaft (3), and the other end is provided with a movable shaft (422); The end of the active shaft (422) is provided with a card leaf (423); The card leaf (423) is in a cross shaped flange shape, with a card leaf shaft (428) set at its center; The card leaf (423) is set in the card sleeve slot (413); The end of the card sleeve groove (413) is provided with a card ring (43); A radial spring (45) is arranged radially between the card leaf (423) and the card sleeve groove (413), and an axial spring (44) is arranged axially.