SF6 gas leakage alarm online monitoring device

The utility model discloses an SF6 gas leakage alarm on-line monitoring device which comprises two cross rods, T-shaped sliding grooves are formed in the front end faces of the cross rods, rectangularthrough holes are formed in the positions, close to the two ends, of the rear end faces of the cross rods, long rods are arranged in the rectangular through holes, and rectangular blocks are fixedlyinstalled at the bottom ends of the long rods. A round through hole is formed in the top end of the long rod, threaded holes are formed in the middle positions of the rear end faces of the transverserods, and threaded rods are arranged in the threaded holes. According to the utility model, the relative positions of the two cross rods are convenient to fix through the arrangement of the threaded rods, and the fixing plate can slide in the T-shaped sliding grooves through the T-shaped sliding blocks, so that the distance between the fixing plates on the same horizontal plane is adjusted, the alarm monitor can be fixed on