Device for converting longitudinal vibration of drill stem into torsional impact of drill bit
A Longitudinal Vibration, Drill Bit Technology
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[0045] The present invention will be further described below in conjunction with the accompanying drawings and specific embodiments, so that those skilled in the art can better understand the present invention and implement it, but the examples given are not intended to limit the present invention.
[0046] Such as Figure 1-4 As shown, the present invention provides a device for converting the longitudinal vibration of the drill string into the torsional impact of the drill bit, which includes a longitudinal vibration assembly, a reset torsion transmission assembly and a torsion force generation and transmission assembly.
[0047]The longitudinal vibration assembly includes a vibration transmission shaft 1, the vibration transmission shaft 1 is connected with the limit sleeve 5 and the flower body 103, the bottom of the vibration transmission shaft 1 is connected with a vibrator 15, and the vibrator 15 is provided with There are Chong Er 1501.
[0048] The reset torsion tran...
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