Detection hole reserving device based on primary support tunnel detection

The utility model belongs to the technical field of tunnel primary support detection, and particularly relates to a detection hole reserving device based on primary support tunnel detection, which comprises at least one clamping hoop, at least one detection hole reserving device, at least one detect...

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Bibliographische Detailangaben
Hauptverfasser:	CAO QIQI, HUI XINGPING, SUN JUN, WANG ZHAOSHUO, CHANG MING, ZHAO XIAOXU, QIN TAO, CHE PENGHUI, DUAN JUNHAO, WANG CHANG, WU WENJUN, XUE SONGHUI, GUO ZONGYONG, ZHANG SHUO, LIU JIONG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	EARTH DRILLING FIXED CONSTRUCTIONS GALLERIES LARGE UNDERGROUND CHAMBERS MINING SAFETY DEVICES, TRANSPORT, FILLING-UP, RESCUE, VENTILATION, ORDRAINING IN OR OF MINES OR TUNNELS SHAFTS TUNNELS
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Beschreibung
Zusammenfassung:	The utility model belongs to the technical field of tunnel primary support detection, and particularly relates to a detection hole reserving device based on primary support tunnel detection, which comprises at least one clamping hoop, at least one detection hole reserving device, at least one detection hole reserving device, at least one detection hole reserving device, at least one detection hole reserving device and at least one detection hole reserving device, a through cavity is formed in the circular pipe, the circular pipe can be inserted into the containing cavity, and the circular pipe is hooped and fixed to the steel arch frame through the hoop; the plugging mechanism is used for plugging the two ends of the circular pipe and is detachably connected with the circular pipe; and after concrete spraying is completed, the plugging mechanism at one end is detached, and the hole position where the through cavity in the circular pipe is located is the preformed hole for tunnel primary support cavity detecti