When strong bolt installation(3) structure

The utility model discloses a when strong bolt installation(3) structure, its characterized in that: including country rock hole, W shaped steel area, cydariform tray, resin cartridge, etc. Strong stock, nut, slider, pin and erector, W shaped steel area and cydariform tray cup joint in etc. On the strong stock, resin cartridge clogs in the bottom in country rock hole, it is downthehole to wait strong stock to stretch in the country rock, the slider sets up in the erector, is provided with the recess on the slider, is provided with the screw thread on the recess lateral wall, reveal behind the outside one end in country rock hole and nut and threaded connection the recess threaded connection of its top and slider when strong screw rod, the interval sets up between nut and the slider, and the nut has at least some to set up in the erector. The utility model has the advantages of prior art's drawback, the reasonable novelty of structural design can be overcome to it.