Patent ID: 9433977
Filing Date: 2016-09-06
CPC Classification: B07B,Y10T

Claim Text:
1. A single-shaft track-changeable vibration exciter, comprising: a vibration box, a bottom seat, a vibrating spring, and a vibrating shaft; wherein said vibrating shaft is set on said vibration box, and said vibrating spring is set between said vibration box and said bottom seat; multiple track-restricting rod assembly groups that are arranged aslant are set in two sides of said vibration box; each of the track-restricting rod assembly groups comprises two track-restricting rod assemblies that are arranged symmetrically in both sides of said vibration box, and each end of each track-restricting rod assembly is hinged to both said vibration box and said bottom seat; wherein said track-restricting rod assembly and said vibrating spring are set on said same bottom seat; said track-restricting rod assembly comprises an arc guiding groove that is set on said bottom seat; an arc sliding board is set in said arc guiding groove; said arc sliding board is connected to a first end of a track-restricting rod; a second end of said track-restricting rod is connected to said vibration box by a supporting shaft; a first end of said vibrating spring is connected to said vibration box by said supporting shaft; a second end of said vibrating spring is fixed on a spring seat; said spring seat is fixed on said arc sliding board.