FIELD: physics.
SUBSTANCE: seismic vibrator has an emitter board 1 with supports 2, a tightening weight 3 and an electromagnet whose inductor 4 is mounted on the tightening weight, and the armature 7 rests on the supports 2 and is separated from the inductor by an air gap 8. The value of the gap exceeds the working stroke of the tightening weight relative the emitter board, thereby facilitating non-impact interaction of the armature and the inductor of the electromagnet. A damper 9 is placed between the tightening weight and the board. The supports are provided with springs which provide elastic pressing of the armature to the supports and prevent its bounce during operation.
EFFECT: low level of noise and seismic interference.
2 dwg
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