Improved extrusion oil film damper with cooling device

• Main Authors: ZHOU HAILUN, AI YANTING, SHEN AO, SUN DAN, CHEN XI
• Format: Patent
• Language: Chinese; English
• Published: 15.05.2020
• Subjects: BLASTING; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LIGHTING; MEANS FOR DAMPING VIBRATION; MECHANICAL ENGINEERING; SHOCK-ABSORBERS; SPRINGS; THERMAL INSULATION IN GENERAL; WEAPONS

The invention discloses an improved extrusion oil film damper with a cooling device. The improved extrusion oil film damper is arranged outside a bearing in a sleeving mode and comprises an elastic support, wherein a bearing seat is arranged outside the bearing; the head of the elastic support is connected with a damper inner ring; the bearing seat is connected with a damper outer ring; a rotor issleeved with the bearing; the damper outer ring and the damper inner ring are arranged in a spaced mode; the gap is an oil film gap; the damper outer ring is provided with an oil supply groove; the oil supply groove is provided with an oil supply hole; and the oil supply hole is formed in the outer side of the oil film gap. According to the arrangement mode of the cooling device, a plurality of axial hole type cooling pipelines are machined on the damper outer ring and are sequentially connected through oil connecting pipes; or an annular cavity is formed in the damper outer ring, and a cooling medium supply hole is