Energy-absorbing anti-impact anchor rod
The utility model provides an energy-absorbing and impact-preventing anchor rod. The energy-absorbing and impact-preventing anchor rod comprises a rod body, a tray and a yielding device, the rod body is sleeved with the yielding device. A yielding protrusion is arranged on the rod body and matched w...
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Main Authors | , , , , , , , , , |
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Format | Patent |
Language | Chinese English |
Published |
22.11.2022
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Subjects | |
Online Access | Get full text |
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Summary: | The utility model provides an energy-absorbing and impact-preventing anchor rod. The energy-absorbing and impact-preventing anchor rod comprises a rod body, a tray and a yielding device, the rod body is sleeved with the yielding device. A yielding protrusion is arranged on the rod body and matched with the yielding device in a one-way stopping mode, and when rock burst occurs, the rod body moves towards the interior of surrounding rock relative to the yielding device. The energy-absorbing anti-impact anchor rod has the characteristic of constant-resistance abdicating energy absorption when being subjected to impact load or large deformation of a roadway, is simple in structure and convenient to mount, and is mainly suitable for supporting the large-deformation roadway and the roadway with impact tendency.
本实用新型提供一种吸能防冲锚杆,吸能防冲锚杆包括杆体、托盘与让压装置;让压装置套设在杆体上;杆体上设置有让压凸起,让压凸起与让压装置单向挡止配合,在发生冲击地压时,杆体相对于所述让压装置发生朝向围岩内部的移动。该吸能防冲锚杆在受到冲击载荷或者巷道大变形时,具有恒阻让位吸能的特性,结构简单,安装方便,主要适用于大变形巷道及具有冲击倾向巷道的支护。 |
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Bibliography: | Application Number: CN202221924214U |