Multifunctional critical care system and operation method thereof

A multifunctional critical care system, comprising a bed body, wherein a lifting frame is disposed on the bed body , a bed plate and a plurality of lifting bands are disposed at the lifting frame, two ends of each of the lifting bands are fixed onto the lifting frame, the lifting bands are disposed above the bed plate, the lifting frame comprises a tensioning mechanism capable of adjusting a tension of the lifting bands, and the tensioning mechanism is connected to the lifting bands;

• two vertical elevating mechanisms capable of elevating and descending along a vertical direction are respectively disposed on two sides of the bed plate, a bottom end of each of the vertical elevating mechanisms is fixed onto the bed body, a top end of each of the vertical elevating mechanisms is fixed onto the lifting frame, a transverse telescopic mechanism capable of extending and retracting along a horizontal direction is disposed between the vertical elevating mechanisms, the transverse telescopic mechanism is mounted on the bed body, and the transverse telescopic mechanism is also connected to the vertical elevating mechanisms;
• and the lifting frame is connected with a rotatable tilting mechanism, and the tilting mechanism is connected with the lifting frame;
• wherein the tilting mechanism comprises a drive screw, two ends of the drive screw are respectively placed in two bearing blocks, the bearing blocks and the drive screw are disposed in the connecting tube, a drive nut nests an outer wall of the drive screw, the drive nut is disposed between the bearing blocks, and the drive nut is moveable along the outer wall of the drive screw, the screw nut is connected with a tilting support post, one end of the tilting support post away from the screw nut is connected to one of the supporting tubes;
• each of the supporting tubes comprise a first supporting tube and a second supporting tube, a universal joint is disposed between the first supporting tube and the second supporting tube, the universal joint is connected with both of the first supporting tube and the second supporting tube, and the first supporting tube is capable of rotating around the universal joint, the first supporting tube is close to the drive screw, the second supporting tube is connected to a top portion of the connecting tube, and the end of the tilting support post away from the screw nut is connected to the first supporting tube.