Ultra-deep vertical shaft winding type hoisting steel cable multi-axial friction fatigue damage monitoring device and method

Abstract

The invention discloses an ultra-deep vertical shaft winding type hoisting steel cable multi-axial friction fatigue damage monitoring device .The monitoring device comprises a tension-torsional fatigue system and a dynamic loading monitoring system which are arranged on a supporting system; the tension-torsional fatigue system comprises a low-speed large-torque motor and a servo electric cylinder A, the low-speed large-torque motor is connected with one end of a fatigue steel cable through a coupling A, a torque sensor, a coupling B, a shaft and a steel cable fixture A, and a threaded rod of the servo electric cylinder A is connected with the other end of the fatigue steel cable through a tension sensor and a steel cable fixture B; the dynamic loading monitoring system comprises a servo electric cylinder B, a threaded rod of the servo electric cylinder B is connected with a loading steel cable fixture through a two-dimension force sensor, a fixture block is arranged on a fixture rotary table of the loading steel cable fixture, and the loading steel cable is fixed on the fixture block .According to the ultra-deep vertical shaft winding type hoisting steel cable multi-axial friction fatigue damage monitoring device, cable multi-axial friction fatigue properties among steel cables under the dynamic tension-torsional combined fatigue loading action and dynamic contact and creep properties between the steel cables and a friction liner can be researched.

Description

technical field [0001] The patent of the invention relates to a multi-axis friction fatigue damage monitoring device and method for winding hoisting wire ropes in ultra-deep shafts, which is used to study the cross-contact wire ropes of adjacent winding layers under the action of dynamic tension-torsion composite fatigue load in the winding hoisting system of ultra-deep shafts Tension-torsional multiaxial friction fatigue damage and dynamic contact and creep behavior of steel wire ropes with friction linings. Background technique [0002] With the rapid development of the national economy, my country's demand for mineral resources has increased significantly, prompting the mining of underground mineral resources in my country to continue to develop deeper, and the amount of coal resources under the thousand-meter stratum in my country accounts for 53% of the proven coal reserves. %, therefore, the mining and transportation of ultra-deep mines have received extensive attention...

AI Technical Summary

Problems solved by technology

However, none of the above three patents can realize multi-axis friction fatigue and dynamic contact characteristics research between steel wire rope-wire rope and steel wire rope-friction lining under the coupling of dynamic tensile and torsional loads.

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