Induced air connector rapid connection device of rotary drill

• Main Authors: DU JIMING, LIU WENPEI, KONG QINGGANG, ZHENG GUANGJIN, LU XIAOHUI, GU QINGFU
• Format: Patent
• Language: Chinese; English
• Published: 01.05.2013
• 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 THERMAL INSULATION IN GENERAL; MECHANICAL ENGINEERING; PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; THERMAL INSULATION IN GENERAL; WEAPONS

The utility model belongs to the technical field of rotary drill equipment, in particular to an induced air connector rapid connection device of a rotary drill. The induced air connector rapid connection device of the rotary drill comprises a reduction gearbox revolving hollow shaft and a main air pipe flange, and is characterized in that the upper end of the reduction gearbox revolving hollow shaft is connected with a hollow stepped shaft through a connection nut, the hollow stepped shaft is provided with a pressing cover and a sleeve pipe from bottom to top, the sleeve pipe is fixedly connected with the pressing cover through a connection bolt, and the upper portion of the sleeve pipe is fixedly connected with the main air pipe flange. According to the induced air connector rapid connection device of the rotary drill, an original structural form of the connection position of an induced air connector is changed, an original split-type structure is reasonably assembled and improved to form a single part, so t