Shock absorption and anti swing connection device for suspended semi submersible vertical turbine pump

A shock absorption and anti swing connection device for suspended semi submersible vertical turbine pumps, comprising an outer sleeve and an inner sleeve, wherein one end of the outer sleeve is provided with a drive shaft interface and the other end is provided with a sleeve groove; The card sleeve groove is in the shape of a cross groove, with a cylindrical groove set at the center; One end of the inner sleeve is provided with an impeller shaft interface, and the other end is provided with a movable shaft; The end of the active axis is equipped with a card leaf; The card leaf is in the shape of a cross shaped flange, with a card leaf shaft set at its center. The card leaf is set in the card sleeve slot; The end of the card sleeve slot is provided with a snap ring; A radial spring is arranged radially between the card leaf and the card sleeve groove, and an axial spring is arranged axially. It can reduce the vibration and oscillation generated during the operation of suspended semi submersible vertical turbine pumps, making the operation of suspended semi submersible vertical turbine pumps more stable and having a longer service life.

Technical requirements: 1. A shock absorption and anti swing connection device for a suspended semi submersible vertical turbine pump, comprising an outer sleeve (41) and an inner sleeve (42), characterized in that one end of the outer sleeve (41) is provided with a drive shaft interface (411), and the other end is provided with a sleeve groove (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), 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.