Handheld type ultrasonic electric drill
An ultrasonic electric drill, hand-held technology, applied in portable drilling rigs, drilling/drilling equipment, fluids using vibration, etc., to achieve the effects of friendly processing environment, reduced labor intensity, and high drilling quality
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[0017] The present invention will be further described below in conjunction with the accompanying drawings.
[0018] like figure 1 As shown, the present invention is to design a hand-held ultrasonic electric drill, including a drill bit 1, an ultrasonic vibrator 2, an output shaft 3, a carbon brush 4, an insulating coupling 5, a motor 6, a casing 7, a power transmission cable 8, and an electric drill control Device 9, motor speed control trigger 10, ultrasonic switch button 11, fixed ring 12, collector ring 13, insulating ring 14 and ultrasonic power supply (not shown).
[0019] The output end of the motor 6 is connected to the input end of the output shaft 3 through an insulating coupling 5, the output end of the output shaft 3 is connected to the flange on the ultrasonic vibrator 2, and the output end of the ultrasonic vibrator 2 is equipped with a drill bit 1. An insulating ring 14 is fixed on the output shaft 3, and a collector ring 13 is fixed on the end surface of the i...
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