High-frequency eccentric vibration acoustic wave power head for drilling machine

Abstract

The invention discloses a high-frequency eccentric vibration acoustic wave power head for a drilling machine, and belongs to the field of audio frequency drilling machines. The high-frequency eccentric vibration acoustic wave power head for the drilling machine comprises a main frame, a spindle rotating mechanism, a spindle vibrating mechanism and a bearing cooling lubricating system. Structurally, a spindle and a spindle hydraulic motor adopt spline structures for transmission connection, the spindle is rotationally connected into a spindle box, the spindle box is mounted in the main frame inthe mode of hanging in air through a vibration isolator, high-frequency vibration is generated through two sets of eccentric vibration mechanisms in the spindle box, thus the acoustic wave power headis more compact and more reasonable in structure, and spindle rotation and axial vibration movement are more stable and more reliable; and meanwhile a vibrator shaft bearing is cooled and lubricatedby lubricating oil through a lubricating oil circulation control system, the working temperature of the vibrator shaft bearing is greatly decreased, the service life of the bearing is prolonged, thusthe eccentric-vibration-type acoustic wave power head can work at a higher vibration frequency, and the working efficiency of the acoustic wave power head is further improved.

Description

technical field [0001] The invention relates to a power head of a drilling machine, more specifically, to a high-frequency eccentric vibration sound wave power head for a drilling machine. Background technique [0002] In the construction process of oil field, mineral exploration, geotechnical survey and soil sampling, etc., drilling rig is a commonly used mechanical equipment for soil and rock drilling. The sonic power head for drilling rigs can generate up and down vibrations to act on the drilling tools during the drilling process. Compared with traditional rotary drilling rigs, it has the advantages of fast drilling speed, high work efficiency, high fidelity of rock and soil samples, and excellent construction efficiency. It has the advantages of good safety and less environmental pollution. When the sonic power head is drilling, the resonance energy is transmitted to the working face of the drill bit through the drill string, and at the same time, the low-speed rotatin...

AI Technical Summary

Problems solved by technology

[0007] The purpose of the present invention is to overcome the disadvantages of the existing eccentric vibration acoustic wave power head, such as low high-frequency working life and poor working stability, and provide a high-frequency eccentric vibration acoustic wave power head for drilling rigs. By adopting the technical solution of the present invention, In terms of structure, the main shaft and the main shaft hydraulic motor are connected by a spline structure, and the main shaft hydraulic motor drives the main shaft to rotate. At the same time, the main shaft rotates and is installed in the headstock. Two sets of eccentric vibrating mechanisms generate high-frequency vibrations, which make the structure of the acoustic wave power head more compact, and the rotation of the main shaft and the axial vibration movement are more stable; at the same time, it also has a bearing cooling and lubrication system, which uses the lubricating oil circulation control system to realize the lubricating oil on the vibrator shaft bearing. Cooling and lubricating greatly reduces the working temperature of the vibrator shaft bearing, improves the working life of the bearing, reduces the performance requirements for the vibrator shaft bearing, and enables the eccentric vibrating sonic power head to work at a higher vibration frequency, further improving Improve the working efficiency of the sonic power head

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