Electromagnetic motor-assisted rotary impact type ultrasonic drilling device
An electromagnetic motor and percussion technology, applied in the direction of drill pipes, drill pipes, drilling tools, etc., can solve the problems of low drilling efficiency and poor chip removal performance of percussive ultrasonic drills, and achieve improved drilling efficiency and structural design. Scientific and reasonable effect
Active Publication Date: 2018-12-14
HARBIN INST OF TECH
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Problems solved by technology
[0003] The invention solves the problems of low drilling efficiency and poor chip removal performance of the impact ultrasonic drill, uses an electromagnetic motor to drive the drilling tool for rotary motion, and proposes a rotary impact ultrasonic drill assisted by an electromagnetic motor
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specific Embodiment approach 1
[0025] Specific implementation mode one: see Figure 1-Figure 2 This embodiment will be described. An electromagnetic motor-assisted rotary impact ultrasonic drill described in this embodiment includes a sampling drill 1, a bearing sleeve 2, a return spring 3, a free mass 4, a front housing 5, and a sandwich piezoelectric transducer 6 , rear housing 7, rotary motor 8 and transmission shaft 9;
[0026] The transmission shaft 9 is fixedly connected to the sampling drilling tool 1, and the outer circumference of the transmission shaft 9 is covered with a sandwich piezoelectric transducer 6 and a free mass block 4, and the free mass block 4 is positioned on the sandwich piezoelectric transducer. 6 and the sampling drill 1, the front housing 5 is connected to the rear housing 7 to form a housing, the transmission shaft 9, the sandwich piezoelectric transducer 6, the free mass 4 and the sampling drill 1 The tail end is located inside the housing, and the rotary motor 8 is located ...
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The invention provides an electromagnetic motor-assisted rotary impact type ultrasonic drilling device, which is characterized in that a driving shaft of the drilling device is fixedly connected witha sampling drilling tool, the periphery of the driving shaft is sleeved with a sandwich piezoelectric transducer and a free mass block, the free mass block is located between the sandwich piezoelectric transducer and the sampling drilling tool, a front shell and a rear shell are connected to form a shell, a rotary motor is located behind the rear shell and is connected with the driving shaft; andthe tail end of the sampling drilling tool is sleeved with a restoring spring and a bearing sleeve, the restoring spring is connected with the bearing sleeve and used for providing a restoring force in the moving process of the sampling drilling tool, and the sampling drilling tool penetrates through the head of the front shell. The electromagnetic motor-assisted rotary impact type ultrasonic drilling device solves the problems of low drilling efficiency and poor chip removal performance of an impact type ultrasonic drilling device, and the drilling tool is driven to perform rotary movement byusing the electromagnetic motor. Provided by the invention is an electromagnetic motor-assisted rotary impact type ultrasonic drilling device, and the rotary impact type ultrasonic drilling device has higher drilling efficiency and more excellent chip removal performance compared with the impact ultrasonic drilling device.
Description
technical field [0001] The invention specifically relates to a rotary impact ultrasonic drill assisted by an electromagnetic motor, which belongs to the field of extraterrestrial celestial body detection and sample collection and testing. Background technique [0002] Deep space exploration is one of the most active scientific fields in recent years. Studying the geological information of extraterrestrial space helps to explore the composition of the solar system and the origin of life. Drilling and sampling is an important way to obtain stellar soil samples in deep space exploration. Ultrasonic drills have the advantages of small size, low power consumption and low drilling pressure. In the percussive ultrasonic drill, the sampling drill only performs impact movement along its axial direction, and rock sampling is realized by the impact of the sampling drill on the rock. On the basis of the percussive ultrasonic drill, the rotary drive of the drill is introduced. , forming...
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IPC IPC(8): E21B7/24E21B6/00E21B12/00E21B17/22E21B49/02G01N1/08
CPCE21B6/00E21B7/24E21B12/00E21B17/22E21B49/02G01N1/08
Inventor 全齐全柏德恩王印超唐德威邓宗全
Owner HARBIN INST OF TECH
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