Sky anchor in grotto

The utility model provides a sky anchor in a grotto, which comprises two anchor rod groups, wherein a pin shaft is connected with one end of the each anchor rod group through two ear boards, two ends of the pin shaft are provided with limiting bolts, the two ear boards are welded with one end of each anchor rod group, and each anchor rod group consists of 3-4 anchor rods. A fixed pulley for suspending is arranged on the pin shaft, and then an installing engineering can be conducted, and the limiting bolts can axially limit the pin shaft, so that the sky anchor in the grotto can be taken as a bolting and suspending point for suspending various large-scale equipment in the grotto, has simple structure, improves the installing efficiency, is convenient for construction, is safe and reliable, is especially applicable to installing a large-scale bridge machine or a large-scale pressure pipe in the grotto in a ground power station factory of a hydraulic and hydro-power engineering, and is especially suitable for being applied to a narrower place which can not be constructed by adopting a hoist.