QUICK LOCK-CHANGING ASSEMBLY AND LOCKING DEVICE USING SAME

The present application provides a quick-change lock assembly, comprising: a shell with a hollow cavity formed therein; a quick-change bolt arranged in the cavity, wherein the quick-change bolt comprises a guide section, a threaded fixing section, a flange portion and a tool matching section, a thro...

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Bibliographische Detailangaben
Hauptverfasser:	ZHANG, Wenhui, YOU, Shubing, YE, Qingfeng, WU, Yuanhe
Format:	Patent
Sprache:	eng ; fre ; ger
Schlagworte:	BLASTING DEVICES FOR FASTENING OR SECURING CONSTRUCTIONAL ELEMENTS ORMACHINE PARTS TOGETHER, e.g. NAILS, BOLTS, CIRCLIPS, CLAMPS,CLIPS, WEDGES, JOINTS OR JOINTING ELECTRIC EQUIPMENT OR PROPULSION OF ELECTRICALLY-PROPELLEDVEHICLES ELECTRODYNAMIC BRAKE SYSTEMS FOR VEHICLES, IN GENERAL ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVEFUNCTIONING OF MACHINES OR INSTALLATIONS HEATING LIGHTING MAGNETIC SUSPENSION OR LEVITATION FOR VEHICLES MECHANICAL ENGINEERING PERFORMING OPERATIONS SERVICING, CLEANING, REPAIRING, SUPPORTING, LIFTING, ORMANOEUVRING OF VEHICLES, NOT OTHERWISE PROVIDED FOR THERMAL INSULATION IN GENERAL TRANSPORTING VEHICLES IN GENERAL WEAPONS
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Beschreibung
Zusammenfassung:	The present application provides a quick-change lock assembly, comprising: a shell with a hollow cavity formed therein; a quick-change bolt arranged in the cavity, wherein the quick-change bolt comprises a guide section, a threaded fixing section, a flange portion and a tool matching section, a through hole is formed in the quick-change bolt along the axial direction, first anti-loosening teeth are formed on the guide section, and the first anti-loosening teeth can be locked to limit the rotation of the quick-change bolt; an unlocking mandrel configured to be inserted and retained in the through hole, wherein the length of the unlocking mandrel is greater than the length of the through hole, and when an external tool is inserted into the tool matching section, the external tool can push the unlocking mandrel to move along the through hole and protrude from the guide section to remove the locking of the first anti-loosening teeth; and a bolt fixing ring fixed to the shell and configured to stop the flange portion.