Hollow anchor rod structure and supporting construction method thereof

The invention discloses a hollow anchor rod structure and a supporting construction method thereof.The hollow anchor rod structure comprises an anchor rod end, the anchor rod end comprises an outer end sleeve, an inner end sleeve and a connector, the end of the inner end sleeve is of a conical structure, the remaining part of the inner end sleeve is of a hollow cylindrical structure, the outer end sleeve is coaxially arranged outside the inner end sleeve, and the connector is connected with the outer end sleeve; the end head of the outer end sleeve is of a conical structure, the rest part of the outer end sleeve is of a cylindrical structure with the diameter gradually reduced from the tail part to the end head, an interlayer space formed between the outer end sleeve and the inner end sleeve is gradually reduced from the tail part to the end head, and the outer end sleeve and the inner end sleeve are connected into a whole through a connector; and a high-pressure air pipe is coaxially arranged on the connecto