Drilling test device for high stress rock drilling environment

• Main Author: RAN XIAOFENG
• Format: Patent
• Language: Chinese; English
• Published: 04.09.2018
• Subjects: ARRANGEMENTS FOR MEASURING TWO OR MORE VARIABLES NOT COVEREDIN A SINGLE OTHER SUBCLASS; MEASURING; MEASURING NOT SPECIALLY ADAPTED FOR A SPECIFIC VARIABLE; MEASURING OR TESTING NOT OTHERWISE PROVIDED FOR; PHYSICS; TARIFF METERING APPARATUS; TESTING

A drilling test device for a high stress rock drilling environment is composed of an impact drilling mechanism and a high stress rock drilling platform. The structure of the impact drilling mechanismincludes a bracket; an automatic lifting mechanism is arranged on the bracket; a drill rod guiding sliding rail and a positioning hole which are located in the same vertical axis; a drill rod is slidingly arranged in the drill rod guiding sliding rail and is inserted into the positioning hole; the automatic lifting mechanism is connected to a gripper having an automatic unlocking mechanism; a lower end of the drill rod is connected to a drill bit; the gripper can firmly grasp an upper end of the drill rod; a scale for reading the height positions of the drill rod and the drill bit is arrangedon the bracket; the high stress rock drilling platform is arranged on a lower end of the bracket, and includes two pairs of crossed high pressure oil cylinders opposite to each other, and oil pressurecontrol components and pre