Anti-seismic support for installation of water supply and drainage pipeline

The invention discloses a water supply and drainage pipeline installation anti-seismic support which comprises a ceiling, a supporting cross beam and a connecting side plate, and an anti-seismic installation rod is installed below the ceiling through an expansion bolt; the supporting cross beam is fixed to the lower end of the anti-seismic mounting rod, and an adjusting mechanism is arranged on the outer side of the supporting cross beam and comprises a positioning hole, a positioning ring and a positioning rod; the connecting side plate is fixed below the positioning ring, a limiting mechanism is arranged on the inner side of the connecting side plate, and the connecting side plate comprises a right mounting frame and a left mounting frame; main supporting mechanisms are arranged on the inner side of the right mounting frame and the inner side of the left mounting frame and comprise a left supporting plate and a right supporting plate. According to the water supply and drainage pipeline installation anti-sei