A three-dimensional geostress measurement device based on borehole deformation method
A technology for measuring devices and ground stress, which is applied in the directions of measuring devices, force/torque/work measuring instruments, measuring force components, etc. It can solve the problems of complicated device fixing and difficulties in drilling axial deformation testing, and achieves a simple structural system , structure system and overall layout are simple and easy to implement
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[0057] Below in conjunction with accompanying drawing and implementation example the present invention is further described:
[0058] Such as figure 1 As shown, a three-dimensional geostress measurement device based on the borehole deformation method includes a borehole axial deformation sensing part 1 located at the bottom of the device; a borehole radial deformation sensing part 2 located in the middle of the device; a borehole radial deformation sensing part 2 located at the top of the device Deformation collection part 3;
[0059] Such as figure 2 As shown, the borehole axial deformation sensing component 1 includes an axial deformation sensing force transmission rod 11, an axial thrust spring 12, an axial sensing component protection housing 13, a limit cover 14, and an axial contact pin limit card seat 15 , the axial deformation sensing stylus 16 , the axial stylus protection shell 17 and the circumferential positioning pin 18 .
[0060] Such as Figure 5 As shown, ...
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