Anchor cable rigging outburst prevention device
The utility model relates to an anchor cable protection device for mine tunnel engineering roadway support and surrounding rock deep reinforcement, in particular to an anchor cable rigging outburst prevention device. The anchor cable rigging outburst prevention device comprises hooks, bolts, connect...
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Format: | Patent |
Sprache: | eng |
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Zusammenfassung: | The utility model relates to an anchor cable protection device for mine tunnel engineering roadway support and surrounding rock deep reinforcement, in particular to an anchor cable rigging outburst prevention device. The anchor cable rigging outburst prevention device comprises hooks, bolts, connecting chains and a sleeve. The hooks and the connecting chains are symmetric about the center line of the sleeve and are arranged outside the sleeve. The end face and the outer circle side face of the connecting end at the lower portion of each hook are provided with a groove and a connecting through hole respectively. The direction of the transverse axis of the grooves is perpendicular to the direction of the center line of the connecting through holes. One end of each connecting chain is fixedly connected to the outer circle side face of the sleeve, and the other end of each connecting chain is installed inside the groove of the corresponding hook. The hooks and the connecting chains are connected together in the mode that the bolts are inserted into the connecting through holes. The anchor cable rigging outburst prevention device is safe, practical, high in flexibility and easy and convenient to operate, an anchor cable rigging for mining roadway roof support is prevented from bursting out, the fully-mechanized coal mining face mining roadway operation safety of workers is improved, and the accident that the rigging bursts out and injures people is effectively restrained. |
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