Sealed permanent magnet type pipeline electromagnetic damping vibration absorber

• Main Authors: LU WENJUAN, CHEN XUDONG, WEI DAWEI, ZHANG WEIJUN, ZHAO BO, ZHANG HENG, BAI YUN, MA XIAOLONG, DONG LEI, WU ZHIJUN, WANG DAN, HU QILONG, HAN CHUANGAO
• Format: Patent
• Language: Chinese; English
• Published: 29.04.2022
• Subjects: BLASTING; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; JOINTS OR FITTINGS FOR PIPES; LIGHTING; MEANS FOR DAMPING VIBRATION; MEANS FOR THERMAL INSULATION IN GENERAL; MECHANICAL ENGINEERING; PIPES; SHOCK-ABSORBERS; SPRINGS; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; THERMAL INSULATION IN GENERAL; WEAPONS

The invention provides a sealed permanent magnet type pipeline electromagnetic damping vibration absorber which comprises a cylindrical shell, a shell upper end cover is arranged at the top of the cylindrical shell, a shell lower end cover is arranged at the bottom of the cylindrical shell, a middle shaft rod is arranged at the axis position of the cylindrical shell and penetrates through the shell upper end cover and the shell lower end cover, and the shell upper end cover is connected with a fixing ring through an upper spring. A lower end cover of the shell is connected with a fixing ring through a lower spring, a permanent magnet is arranged on the fixing ring, the middle shaft rod is sleeved with the permanent magnet, a coil is wound outside the cylindrical shell, the coil is externally connected with a branch circuit through a wire groove, an upper end cover of the shell and a small hole in the lower end cover of the shell so as to improve energy consumption and heat dissipation, and the middle shaft ro