A bidirectional double-amplitude jolt ramming compactor is composed of upper and lower rammers connected via 4-6 vibration dampers made of rubber, a locating pull plate and steel wire cable, vibrator consisting of two parallel long axiles, and a big and a small eccentric blocks with axle sleeves welded to its both ends for installing them at both sides of lower rammer, and a belt roller with internal friction ring and external tension spring. Its advantages are novel struture and flexible operation. |