Remote fastening device for expansion bolt

• Main Authors: WU ZHENGGANG, XU QINGJIANG, HUANG DALIAN, ZHU JING, ZHANG YUNHUA, DENG TAO, HUANG QING, BAI RONGRONG
• Format: Patent
• Language: Chinese; English
• Published: 05.04.2024
• Subjects: BLASTING; DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS ORMACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS,CLIPS, WEDGES, JOINTS OR JOINTING; ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS; HEATING; LIGHTING; MECHANICAL ENGINEERING; THERMAL INSULATION IN GENERAL; WEAPONS

The utility model relates to the technical field of expansion bolts, in particular to an expansion bolt remote fastening device, which adopts the technical scheme that the expansion bolt remote fastening device comprises a screw rod, a sleeve is inserted into one end of the screw rod, a screw is inserted into one end of the sleeve, which is far away from the screw rod, and a conical head is fixedly arranged at one end of the screw, which is far away from the sleeve. An expansion sleeve is installed on the outer wall of the screw in a sleeved mode, an electromagnetic device is arranged in the screw rod, the electromagnetic device is fixedly installed at the end, away from the screw, of the sleeve, and the electromagnetic device can attract the screw to contract and expand the expansion sleeve through magnetic force. The magnet at the tail end of the screw is attracted to drive the screw to contract, the screw contracts to extrude the conical head into the expansion sleeve, and the expansion sleeve expands outw