Coal mine fully mechanized mining support and surrounding rock relationship experimental platform
A fully mechanized mining support and experimental platform technology, applied in force/torque/work measuring instruments, measuring devices, instruments, etc., can solve the problem that the dynamic balance relationship between the support and the surrounding rock cannot be determined, and the effect of the support on the surrounding rock cannot be simulated. Problems such as difficult roof observation
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[0027] Such as figure 1 As shown, the experiment platform in the present invention includes five parts: loading experiment platform 1, two-pillar shielded hydraulic support 2, hydraulic loading system 3, signal acquisition system 4, and data processing system 5. The two-column shielded hydraulic support 2 is arranged on the loading experiment platform 1, and the two-column shielded hydraulic support 2 can move horizontally on the loading experiment platform 1 as the working surface advances. The hydraulic loading system 3 is arranged above the loading experiment platform 1. During the experiment, the load-bearing joist 11 is sequentially laid from the bottom to the top of the coal seam and the overlying rock layer composed of similar materials configured according to the comprehensive histogram and similar ratio of the coal seam, and the laying materials are pressurized by the hydraulic loading system 3. In the process of laying the model, strain gauges are buri...
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