Damping device that bridge used

The utility model discloses a damping device that bridge used, including damping device, it is connected with fixing device through flexible bracing piece to connect the lug, fixing device passes through spring -supported post interconnect, the bridge floor below is provided with the pier down, the inside rubber shock absorber layer that is provided with of damping device is provided with the mainspring post in the middle of the rubber shock absorber layer, and both ends all are provided with the hydraulic pressure buffer layer about the rubber shock absorber layer, hydraulic pressure bufferlayer, inside are provided with the hydraulic stem, the main spring post left and right sides all is provided with spring part, hydraulic pressure buffer layer top is connected with the steel sheet, the steel sheet surface is provided with the rubber protective layer, rubber protective layer surface is provided with the gas pocket. This damping device that bridge used, its simple structure installs hydraulic stem, spring p