Isolation bearing of existing masonry structure expansion joint department underpins structure

The utility model relates to an isolation bearing of existing masonry structure expansion joint department underpins structure, including former brick wall, former basis, still include basic shock insulation hardened system. Basis shock insulation hardened system is by reinforced concrete bottom plate, steel pipe concrete round pin key roof beam, reinforced concrete shoulder roof beam, upper and lower bedplate, friction slide isolation bearing, adjustment cushion and reinforce the basis and form. Generally go on at basic position or basement because of its construction, can not lead to the fact destruction to the building decoration more than two layers, equipment pipeline etc. And economic cost low, construction speed is fast, the cycle is short, has the agility of practicality, reliability, security and construction, have very wide application prospect and spreading value in building antidetonation field.