Cylinder type damping device

The invention relates to a cylinder type damping device, and belongs to the field of machines. The cylinder type damping device comprises a cylinder body, a supporting plate, an SAW acceleration sensor, a damping spring, an upper piston, a middle partition plate, a lower piston, a conductor assembly and a permanent magnet, the upper piston is connected with the supporting plate through a piston rod, the SAW acceleration sensor is arranged below the supporting plate, the damping spring is arranged outside the piston rod in an annular mode and is positioned between the supporting plate and the upper wall of the cylinder body, the middle partition plate is welded on the inner side wall of the cylinder body, a damping channel is formed in the middle partition plate, a stepping motor is arranged in the damping channel, a damping adjusting plate is arranged at the top of the damping channel, the conductor assembly is connected to the bottom of the lower piston, the conductor assembly is connected with an external r