| 摘要 |
FIELD: mining. ^ SUBSTANCE: anchor support for mines includes a rod with grooves and elastic elements, support plank and claw nut, arranged at rod end protruding into mine. At the same time elastic elements are arranged in the form of plates installed in symmetrical grooves along rod length, and plate thickness, plate length and number of grooves along rod length are calculated using mathematical formulas. ^ EFFECT: simplified design of anchor support, higher efficiency of fixation and reduced labour inputs for installation. ^ 3 cl, 3 dwg |
