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Ultrasonic vibration rock crushing experimental device and experimental method

An experimental device and ultrasonic technology, which is applied to the driving device of rotary combined drilling, earthwork drilling, drilling equipment, etc., to achieve the effect of short life of the drill bit, low drilling cost and simple operation.

Inactive Publication Date: 2016-04-06
JILIN UNIV
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

There are no domestic reports on the application of ultrasonic rock crushing technology in the fields of core sampling, mineral resource mining and tunnel excavation, and the research on the mechanism of ultrasonic rock crushing resonance is still in the exploratory stage

Method used

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  • Ultrasonic vibration rock crushing experimental device and experimental method
  • Ultrasonic vibration rock crushing experimental device and experimental method

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Embodiment Construction

[0021] like figure 1 , figure 2 As shown, a kind of ultrasonic vibration drilling crushing experimental device of the present invention includes a drilling mechanism, an ultrasonic vibration mechanism and a drilling parameter control mechanism;

[0022] The drilling mechanism is composed of a drilling rig base 1, a drilling rig column 2, a drilling rig frame 3, a clamper 4, a cylinder 5, a motor 6, a driving wheel 7, a driven wheel 8, a fixing member 9, a transmission belt 10, and a driven rod 11 , Transmission rod 12, drill rod 13, drill bit 14, seal 15, circlip 16, upper end cover 17, lower end cover 18, faucet 19, guide sleeve 20, first bearing 21, second bearing 22, third bearing 23 , shaft sleeve 24, thrust plate 25, protective cover 26 and rock sample 27, the holder 4 is fixed on the rig base 1, and the rock sample can be fixed on the rig base by turning the handwheel of the holder 4; the motor 6 Fixed on the drilling machine frame 3, the driving wheel 7 is fixed on t...

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Abstract

The invention discloses an ultrasonic vibration rock crushing experimental device and experimental method. The experimental device is composed of a drilling mechanism, an ultrasonic vibration mechanism and a drilling parameter control system. A clamping device is installed on a drilling machine base, a rock is fixed on the clamping device, and two cylinders are fixed on the two sides of a drilling machine rack. A motor, a driving wheel and a driven wheel are fixed on the drilling machine rack, the lower end of a drilling machine column is fixedly connected with the drilling machine base, and the upper end of the drilling machine column is fixedly connected with the drilling machine rack. A vibration transmission rod and a faucet are connected to the upper end of a driven rod, and a drill pipe and a drill bit are connected to the lower end of the driven rod. An ultrasonic transducer and the drilling mechanism are connected together through a connecting rod mechanism. A control cabinet composed of a flow regulator, a frequency converter, a driving power supply, a pressure regulating valve and an ultrasonic generator is connected with a water pump, the motor, the cylinders and the ultrasonic transducer. By means of the ultrasonic vibration rock crushing experimental device and experimental method, the whole process of crushing the rock during comprehensive drilling and core drilling under different drilling parameters can be simulated, and rock grindability tests and evaluation of the performance and quality of a micro drill bit can also be achieved.

Description

technical field [0001] The invention relates to a resonance rock crushing simulation experiment device in the fields of geological exploration, tunnel excavation, engineering drilling rig construction and the like, in particular to an ultrasonic vibration drilling experiment device and an experiment method. Background technique [0002] Ultrasonic vibration rock fragmentation belongs to fatigue damage. The periodic exciting force acts on the rock surface to cause fatigue damage, which leads to damage accumulation and cracking in the weak area (micro cracks) inside the rock under the action of changing stress. When the crack expands to a certain extent The subsequent sudden fracture is a process in which damage accumulation starts from a local area and eventually leads to overall destruction. Ultrasonic vibration rock breaking technology has been well applied in the field of space drilling. The National Aeronautics and Space Administration (NASA) S. Sherrit et al. developed a...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): E21B6/04
CPCE21B6/04
Inventor 赵大军张书磊孙梓航
Owner JILIN UNIV
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