Zero clearance turning device

• Main Authors: CHENG XIGE, LIANG HAIPENG, HUANG JIFA
• Format: Patent
• Language: English
• Published: 23.12.2015
• Subjects: BLASTING; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER; DIAGNOSIS; DYNAMO-ELECTRIC MACHINES; ELECTRICITY; ELECTROTHERAPY; ENGINEERING ELEMENTS AND UNITS; GEARING; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; GENERATION; HEATING; HUMAN NECESSITIES; HYGIENE; IDENTIFICATION; LIGHTING; MAGNETOTHERAPY; MECHANICAL ENGINEERING; MEDICAL OR VETERINARY SCIENCE; RADIATION THERAPY; SURGERY; THERMAL INSULATION IN GENERAL; ULTRASOUND THERAPY; WEAPONS

The utility model relates to a medical instrument for the radiodiagnosis, concretely relates to zero clearance turning device, vice including initiative pivot, support arm shaft bearing, drive arrangement, box support and ball, it is vice that the vice one side of ball is equipped with linear guide, and the opposite side is equipped with link mechanism, link mechanism includes driving lever and passive pole, is equipped with the screw seat on ball is vice, is equipped with the slider on linear guide is vice, the screw seat is connected with the slider on the one hand, and on the other hand is connecting the driving lever, and passive pole is being connected through pivot and bearing to the driving lever, and the pivot of taking the initiative is being connected to passive pole, and the box support is passed in the initiative pivot, the utility model discloses cooperateing through motor gear and lead screw gear, turning into the upset through lead screw, link mechanism etc. With linear motion and move, the upset motion can realize 90 degrees flip vertical, and the clearance between motor gear and the lead screw gear is adjustable, can realize the zero clearance transmission to in the switching process, rocking can not appear in the machine yet.