Interference-free negative step force applying device and method

• Main Authors: LIU YAN, LIU YI, WANG DONG, SUN LIMIN, ZHANG WEIWEN, CHEN JIANGPAN
• Format: Patent
• Language: Chinese; English
• Published: 12.03.2021
• Subjects: MEASURING; PHYSICS; TESTING; TESTING STATIC OR DYNAMIC BALANCE OF MACHINES ORSTRUCTURES; TESTING STRUCTURES OR APPARATUS NOT OTHERWISE PROVIDED FOR

The embodiment of the invention discloses an interference-free negative step force applying device and method, and the device comprises a linear bearing system (4) which is installed at the central part of a support system (1) through a fastening device (2) and a switching device (3); the top of the linear bearing system (4) is connected with a fine line (6), and a weight (4.8) is placed in the center of the upper surface of a tray (4.6) at the bottom of the linear bearing system (4); the pulley system (5) is fixed to the top of the support system (1) through the fastening device (2) and usedfor guaranteeing wiring of the fine line (6); a semicircular closed ring is arranged on the left side surface of the electromagnet (7) and is used for being connected with the fine line (6); the powersupply system (8) is used for carrying out power supply and outage operation on the electromagnet (7); and the magnetic cushion block (9) is adhered to the surface of a loaded object. 本发明的实施例公开一种无干扰负阶跃力施加装置和方法，包括：直线轴承系统(4)，通过